mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9073e1a804
Pull trivial tree updates from Jiri Kosina: "Usual earth-shaking, news-breaking, rocket science pile from trivial.git" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits) doc: usb: Fix typo in Documentation/usb/gadget_configs.txt doc: add missing files to timers/00-INDEX timekeeping: Fix some trivial typos in comments mm: Fix some trivial typos in comments irq: Fix some trivial typos in comments NUMA: fix typos in Kconfig help text mm: update 00-INDEX doc: Documentation/DMA-attributes.txt fix typo DRM: comment: `halve' -> `half' Docs: Kconfig: `devlopers' -> `developers' doc: typo on word accounting in kprobes.c in mutliple architectures treewide: fix "usefull" typo treewide: fix "distingush" typo mm/Kconfig: Grammar s/an/a/ kexec: Typo s/the/then/ Documentation/kvm: Update cpuid documentation for steal time and pv eoi treewide: Fix common typo in "identify" __page_to_pfn: Fix typo in comment Correct some typos for word frequency clk: fixed-factor: Fix a trivial typo ...
8736 lines
245 KiB
C
8736 lines
245 KiB
C
/*
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* QLogic iSCSI HBA Driver
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* Copyright (c) 2003-2013 QLogic Corporation
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*
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* See LICENSE.qla4xxx for copyright and licensing details.
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*/
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#include <linux/moduleparam.h>
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#include <linux/slab.h>
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#include <linux/blkdev.h>
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#include <linux/iscsi_boot_sysfs.h>
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#include <linux/inet.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsicam.h>
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#include "ql4_def.h"
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#include "ql4_version.h"
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#include "ql4_glbl.h"
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#include "ql4_dbg.h"
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#include "ql4_inline.h"
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#include "ql4_83xx.h"
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/*
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* Driver version
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*/
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static char qla4xxx_version_str[40];
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/*
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* SRB allocation cache
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*/
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static struct kmem_cache *srb_cachep;
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/*
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* Module parameter information and variables
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*/
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static int ql4xdisablesysfsboot = 1;
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module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xdisablesysfsboot,
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" Set to disable exporting boot targets to sysfs.\n"
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"\t\t 0 - Export boot targets\n"
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"\t\t 1 - Do not export boot targets (Default)");
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int ql4xdontresethba;
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module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xdontresethba,
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" Don't reset the HBA for driver recovery.\n"
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"\t\t 0 - It will reset HBA (Default)\n"
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"\t\t 1 - It will NOT reset HBA");
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int ql4xextended_error_logging;
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module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xextended_error_logging,
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" Option to enable extended error logging.\n"
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"\t\t 0 - no logging (Default)\n"
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"\t\t 2 - debug logging");
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int ql4xenablemsix = 1;
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module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql4xenablemsix,
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" Set to enable MSI or MSI-X interrupt mechanism.\n"
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"\t\t 0 = enable INTx interrupt mechanism.\n"
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"\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
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"\t\t 2 = enable MSI interrupt mechanism.");
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#define QL4_DEF_QDEPTH 32
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static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
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module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xmaxqdepth,
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" Maximum queue depth to report for target devices.\n"
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"\t\t Default: 32.");
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static int ql4xqfulltracking = 1;
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module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xqfulltracking,
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" Enable or disable dynamic tracking and adjustment of\n"
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"\t\t scsi device queue depth.\n"
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"\t\t 0 - Disable.\n"
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"\t\t 1 - Enable. (Default)");
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static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
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module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
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MODULE_PARM_DESC(ql4xsess_recovery_tmo,
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" Target Session Recovery Timeout.\n"
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"\t\t Default: 120 sec.");
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int ql4xmdcapmask = 0x1F;
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module_param(ql4xmdcapmask, int, S_IRUGO);
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MODULE_PARM_DESC(ql4xmdcapmask,
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" Set the Minidump driver capture mask level.\n"
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"\t\t Default is 0x1F.\n"
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"\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
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int ql4xenablemd = 1;
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module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ql4xenablemd,
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" Set to enable minidump.\n"
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"\t\t 0 - disable minidump\n"
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"\t\t 1 - enable minidump (Default)");
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static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
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/*
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* SCSI host template entry points
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*/
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static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
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/*
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* iSCSI template entry points
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*/
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static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
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enum iscsi_param param, char *buf);
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static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
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enum iscsi_param param, char *buf);
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static int qla4xxx_host_get_param(struct Scsi_Host *shost,
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enum iscsi_host_param param, char *buf);
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static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
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uint32_t len);
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static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
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enum iscsi_param_type param_type,
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int param, char *buf);
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static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
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static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
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struct sockaddr *dst_addr,
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int non_blocking);
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static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
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static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
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static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
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enum iscsi_param param, char *buf);
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static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
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static struct iscsi_cls_conn *
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qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
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static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
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struct iscsi_cls_conn *cls_conn,
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uint64_t transport_fd, int is_leading);
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static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
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static struct iscsi_cls_session *
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qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
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uint16_t qdepth, uint32_t initial_cmdsn);
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static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
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static void qla4xxx_task_work(struct work_struct *wdata);
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static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
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static int qla4xxx_task_xmit(struct iscsi_task *);
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static void qla4xxx_task_cleanup(struct iscsi_task *);
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static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
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static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
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struct iscsi_stats *stats);
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static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
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uint32_t iface_type, uint32_t payload_size,
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uint32_t pid, struct sockaddr *dst_addr);
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static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
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uint32_t *num_entries, char *buf);
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static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
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static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
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int len);
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/*
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* SCSI host template entry points
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*/
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static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
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static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
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static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
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static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
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static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
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static int qla4xxx_slave_alloc(struct scsi_device *device);
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static int qla4xxx_slave_configure(struct scsi_device *device);
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static void qla4xxx_slave_destroy(struct scsi_device *sdev);
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static umode_t qla4_attr_is_visible(int param_type, int param);
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static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
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static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
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int reason);
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/*
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* iSCSI Flash DDB sysfs entry points
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*/
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static int
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qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
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struct iscsi_bus_flash_conn *fnode_conn,
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void *data, int len);
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static int
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qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
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int param, char *buf);
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static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
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int len);
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static int
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qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
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static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
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struct iscsi_bus_flash_conn *fnode_conn);
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static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
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struct iscsi_bus_flash_conn *fnode_conn);
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static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
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static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
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QLA82XX_LEGACY_INTR_CONFIG;
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static struct scsi_host_template qla4xxx_driver_template = {
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.module = THIS_MODULE,
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.name = DRIVER_NAME,
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.proc_name = DRIVER_NAME,
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.queuecommand = qla4xxx_queuecommand,
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.eh_abort_handler = qla4xxx_eh_abort,
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.eh_device_reset_handler = qla4xxx_eh_device_reset,
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.eh_target_reset_handler = qla4xxx_eh_target_reset,
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.eh_host_reset_handler = qla4xxx_eh_host_reset,
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.eh_timed_out = qla4xxx_eh_cmd_timed_out,
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.slave_configure = qla4xxx_slave_configure,
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.slave_alloc = qla4xxx_slave_alloc,
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.slave_destroy = qla4xxx_slave_destroy,
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.change_queue_depth = qla4xxx_change_queue_depth,
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.this_id = -1,
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.cmd_per_lun = 3,
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.use_clustering = ENABLE_CLUSTERING,
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.sg_tablesize = SG_ALL,
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.max_sectors = 0xFFFF,
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.shost_attrs = qla4xxx_host_attrs,
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.host_reset = qla4xxx_host_reset,
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.vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
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};
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static struct iscsi_transport qla4xxx_iscsi_transport = {
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.owner = THIS_MODULE,
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.name = DRIVER_NAME,
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.caps = CAP_TEXT_NEGO |
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CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
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CAP_DATADGST | CAP_LOGIN_OFFLOAD |
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CAP_MULTI_R2T,
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.attr_is_visible = qla4_attr_is_visible,
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.create_session = qla4xxx_session_create,
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.destroy_session = qla4xxx_session_destroy,
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.start_conn = qla4xxx_conn_start,
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.create_conn = qla4xxx_conn_create,
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.bind_conn = qla4xxx_conn_bind,
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.stop_conn = iscsi_conn_stop,
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.destroy_conn = qla4xxx_conn_destroy,
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.set_param = iscsi_set_param,
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.get_conn_param = qla4xxx_conn_get_param,
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.get_session_param = qla4xxx_session_get_param,
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.get_ep_param = qla4xxx_get_ep_param,
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.ep_connect = qla4xxx_ep_connect,
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.ep_poll = qla4xxx_ep_poll,
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.ep_disconnect = qla4xxx_ep_disconnect,
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.get_stats = qla4xxx_conn_get_stats,
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.send_pdu = iscsi_conn_send_pdu,
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.xmit_task = qla4xxx_task_xmit,
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.cleanup_task = qla4xxx_task_cleanup,
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.alloc_pdu = qla4xxx_alloc_pdu,
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.get_host_param = qla4xxx_host_get_param,
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.set_iface_param = qla4xxx_iface_set_param,
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.get_iface_param = qla4xxx_get_iface_param,
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.bsg_request = qla4xxx_bsg_request,
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.send_ping = qla4xxx_send_ping,
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.get_chap = qla4xxx_get_chap_list,
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.delete_chap = qla4xxx_delete_chap,
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.set_chap = qla4xxx_set_chap_entry,
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.get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
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.set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
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.new_flashnode = qla4xxx_sysfs_ddb_add,
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.del_flashnode = qla4xxx_sysfs_ddb_delete,
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.login_flashnode = qla4xxx_sysfs_ddb_login,
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.logout_flashnode = qla4xxx_sysfs_ddb_logout,
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.logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
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};
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static struct scsi_transport_template *qla4xxx_scsi_transport;
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static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
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uint32_t iface_type, uint32_t payload_size,
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uint32_t pid, struct sockaddr *dst_addr)
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{
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struct scsi_qla_host *ha = to_qla_host(shost);
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struct sockaddr_in *addr;
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struct sockaddr_in6 *addr6;
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uint32_t options = 0;
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uint8_t ipaddr[IPv6_ADDR_LEN];
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int rval;
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memset(ipaddr, 0, IPv6_ADDR_LEN);
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/* IPv4 to IPv4 */
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if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
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(dst_addr->sa_family == AF_INET)) {
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addr = (struct sockaddr_in *)dst_addr;
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memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
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DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
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"dest: %pI4\n", __func__,
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&ha->ip_config.ip_address, ipaddr));
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rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
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ipaddr);
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if (rval)
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rval = -EINVAL;
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} else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
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(dst_addr->sa_family == AF_INET6)) {
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/* IPv6 to IPv6 */
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addr6 = (struct sockaddr_in6 *)dst_addr;
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memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
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options |= PING_IPV6_PROTOCOL_ENABLE;
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/* Ping using LinkLocal address */
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if ((iface_num == 0) || (iface_num == 1)) {
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DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
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"src: %pI6 dest: %pI6\n", __func__,
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&ha->ip_config.ipv6_link_local_addr,
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ipaddr));
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options |= PING_IPV6_LINKLOCAL_ADDR;
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rval = qla4xxx_ping_iocb(ha, options, payload_size,
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pid, ipaddr);
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} else {
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ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
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"not supported\n", __func__, iface_num);
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rval = -ENOSYS;
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goto exit_send_ping;
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}
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/*
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* If ping using LinkLocal address fails, try ping using
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* IPv6 address
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*/
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if (rval != QLA_SUCCESS) {
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options &= ~PING_IPV6_LINKLOCAL_ADDR;
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if (iface_num == 0) {
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options |= PING_IPV6_ADDR0;
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DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
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"Ping src: %pI6 "
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"dest: %pI6\n", __func__,
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&ha->ip_config.ipv6_addr0,
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ipaddr));
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} else if (iface_num == 1) {
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options |= PING_IPV6_ADDR1;
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DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
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"Ping src: %pI6 "
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"dest: %pI6\n", __func__,
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&ha->ip_config.ipv6_addr1,
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ipaddr));
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}
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rval = qla4xxx_ping_iocb(ha, options, payload_size,
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pid, ipaddr);
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if (rval)
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rval = -EINVAL;
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}
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} else
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rval = -ENOSYS;
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exit_send_ping:
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return rval;
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}
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static umode_t qla4_attr_is_visible(int param_type, int param)
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{
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switch (param_type) {
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case ISCSI_HOST_PARAM:
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switch (param) {
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case ISCSI_HOST_PARAM_HWADDRESS:
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case ISCSI_HOST_PARAM_IPADDRESS:
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case ISCSI_HOST_PARAM_INITIATOR_NAME:
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case ISCSI_HOST_PARAM_PORT_STATE:
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case ISCSI_HOST_PARAM_PORT_SPEED:
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return S_IRUGO;
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default:
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return 0;
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}
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case ISCSI_PARAM:
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switch (param) {
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case ISCSI_PARAM_PERSISTENT_ADDRESS:
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case ISCSI_PARAM_PERSISTENT_PORT:
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case ISCSI_PARAM_CONN_ADDRESS:
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case ISCSI_PARAM_CONN_PORT:
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case ISCSI_PARAM_TARGET_NAME:
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case ISCSI_PARAM_TPGT:
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case ISCSI_PARAM_TARGET_ALIAS:
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case ISCSI_PARAM_MAX_BURST:
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case ISCSI_PARAM_MAX_R2T:
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case ISCSI_PARAM_FIRST_BURST:
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case ISCSI_PARAM_MAX_RECV_DLENGTH:
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case ISCSI_PARAM_MAX_XMIT_DLENGTH:
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case ISCSI_PARAM_IFACE_NAME:
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case ISCSI_PARAM_CHAP_OUT_IDX:
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|
case ISCSI_PARAM_CHAP_IN_IDX:
|
|
case ISCSI_PARAM_USERNAME:
|
|
case ISCSI_PARAM_PASSWORD:
|
|
case ISCSI_PARAM_USERNAME_IN:
|
|
case ISCSI_PARAM_PASSWORD_IN:
|
|
case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
|
|
case ISCSI_PARAM_DISCOVERY_SESS:
|
|
case ISCSI_PARAM_PORTAL_TYPE:
|
|
case ISCSI_PARAM_CHAP_AUTH_EN:
|
|
case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
|
|
case ISCSI_PARAM_BIDI_CHAP_EN:
|
|
case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
|
|
case ISCSI_PARAM_DEF_TIME2WAIT:
|
|
case ISCSI_PARAM_DEF_TIME2RETAIN:
|
|
case ISCSI_PARAM_HDRDGST_EN:
|
|
case ISCSI_PARAM_DATADGST_EN:
|
|
case ISCSI_PARAM_INITIAL_R2T_EN:
|
|
case ISCSI_PARAM_IMM_DATA_EN:
|
|
case ISCSI_PARAM_PDU_INORDER_EN:
|
|
case ISCSI_PARAM_DATASEQ_INORDER_EN:
|
|
case ISCSI_PARAM_MAX_SEGMENT_SIZE:
|
|
case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
|
|
case ISCSI_PARAM_TCP_WSF_DISABLE:
|
|
case ISCSI_PARAM_TCP_NAGLE_DISABLE:
|
|
case ISCSI_PARAM_TCP_TIMER_SCALE:
|
|
case ISCSI_PARAM_TCP_TIMESTAMP_EN:
|
|
case ISCSI_PARAM_TCP_XMIT_WSF:
|
|
case ISCSI_PARAM_TCP_RECV_WSF:
|
|
case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
|
|
case ISCSI_PARAM_IPV4_TOS:
|
|
case ISCSI_PARAM_IPV6_TC:
|
|
case ISCSI_PARAM_IPV6_FLOW_LABEL:
|
|
case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
|
|
case ISCSI_PARAM_KEEPALIVE_TMO:
|
|
case ISCSI_PARAM_LOCAL_PORT:
|
|
case ISCSI_PARAM_ISID:
|
|
case ISCSI_PARAM_TSID:
|
|
case ISCSI_PARAM_DEF_TASKMGMT_TMO:
|
|
case ISCSI_PARAM_ERL:
|
|
case ISCSI_PARAM_STATSN:
|
|
case ISCSI_PARAM_EXP_STATSN:
|
|
case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
|
|
case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
|
|
return S_IRUGO;
|
|
default:
|
|
return 0;
|
|
}
|
|
case ISCSI_NET_PARAM:
|
|
switch (param) {
|
|
case ISCSI_NET_PARAM_IPV4_ADDR:
|
|
case ISCSI_NET_PARAM_IPV4_SUBNET:
|
|
case ISCSI_NET_PARAM_IPV4_GW:
|
|
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
|
|
case ISCSI_NET_PARAM_IFACE_ENABLE:
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
|
|
case ISCSI_NET_PARAM_IPV6_ADDR:
|
|
case ISCSI_NET_PARAM_IPV6_ROUTER:
|
|
case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
|
|
case ISCSI_NET_PARAM_VLAN_ID:
|
|
case ISCSI_NET_PARAM_VLAN_PRIORITY:
|
|
case ISCSI_NET_PARAM_VLAN_ENABLED:
|
|
case ISCSI_NET_PARAM_MTU:
|
|
case ISCSI_NET_PARAM_PORT:
|
|
return S_IRUGO;
|
|
default:
|
|
return 0;
|
|
}
|
|
case ISCSI_FLASHNODE_PARAM:
|
|
switch (param) {
|
|
case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
|
|
case ISCSI_FLASHNODE_PORTAL_TYPE:
|
|
case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
|
|
case ISCSI_FLASHNODE_DISCOVERY_SESS:
|
|
case ISCSI_FLASHNODE_ENTRY_EN:
|
|
case ISCSI_FLASHNODE_HDR_DGST_EN:
|
|
case ISCSI_FLASHNODE_DATA_DGST_EN:
|
|
case ISCSI_FLASHNODE_IMM_DATA_EN:
|
|
case ISCSI_FLASHNODE_INITIAL_R2T_EN:
|
|
case ISCSI_FLASHNODE_DATASEQ_INORDER:
|
|
case ISCSI_FLASHNODE_PDU_INORDER:
|
|
case ISCSI_FLASHNODE_CHAP_AUTH_EN:
|
|
case ISCSI_FLASHNODE_SNACK_REQ_EN:
|
|
case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
|
|
case ISCSI_FLASHNODE_BIDI_CHAP_EN:
|
|
case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
|
|
case ISCSI_FLASHNODE_ERL:
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
|
|
case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
|
|
case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
|
|
case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
|
|
case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
|
|
case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
|
|
case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
|
|
case ISCSI_FLASHNODE_FIRST_BURST:
|
|
case ISCSI_FLASHNODE_DEF_TIME2WAIT:
|
|
case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
|
|
case ISCSI_FLASHNODE_MAX_R2T:
|
|
case ISCSI_FLASHNODE_KEEPALIVE_TMO:
|
|
case ISCSI_FLASHNODE_ISID:
|
|
case ISCSI_FLASHNODE_TSID:
|
|
case ISCSI_FLASHNODE_PORT:
|
|
case ISCSI_FLASHNODE_MAX_BURST:
|
|
case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
|
|
case ISCSI_FLASHNODE_IPADDR:
|
|
case ISCSI_FLASHNODE_ALIAS:
|
|
case ISCSI_FLASHNODE_REDIRECT_IPADDR:
|
|
case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
|
|
case ISCSI_FLASHNODE_LOCAL_PORT:
|
|
case ISCSI_FLASHNODE_IPV4_TOS:
|
|
case ISCSI_FLASHNODE_IPV6_TC:
|
|
case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
|
|
case ISCSI_FLASHNODE_NAME:
|
|
case ISCSI_FLASHNODE_TPGT:
|
|
case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
|
|
case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
|
|
case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
|
|
case ISCSI_FLASHNODE_TCP_XMIT_WSF:
|
|
case ISCSI_FLASHNODE_TCP_RECV_WSF:
|
|
case ISCSI_FLASHNODE_CHAP_OUT_IDX:
|
|
case ISCSI_FLASHNODE_USERNAME:
|
|
case ISCSI_FLASHNODE_PASSWORD:
|
|
case ISCSI_FLASHNODE_STATSN:
|
|
case ISCSI_FLASHNODE_EXP_STATSN:
|
|
case ISCSI_FLASHNODE_IS_BOOT_TGT:
|
|
return S_IRUGO;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
|
|
int16_t chap_index,
|
|
struct ql4_chap_table **chap_entry)
|
|
{
|
|
int rval = QLA_ERROR;
|
|
int max_chap_entries;
|
|
|
|
if (!ha->chap_list) {
|
|
ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
|
|
rval = QLA_ERROR;
|
|
goto exit_get_chap;
|
|
}
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
if (chap_index > max_chap_entries) {
|
|
ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
|
|
rval = QLA_ERROR;
|
|
goto exit_get_chap;
|
|
}
|
|
|
|
*chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
|
|
if ((*chap_entry)->cookie !=
|
|
__constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
|
|
rval = QLA_ERROR;
|
|
*chap_entry = NULL;
|
|
} else {
|
|
rval = QLA_SUCCESS;
|
|
}
|
|
|
|
exit_get_chap:
|
|
return rval;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_find_free_chap_index - Find the first free chap index
|
|
* @ha: pointer to adapter structure
|
|
* @chap_index: CHAP index to be returned
|
|
*
|
|
* Find the first free chap index available in the chap table
|
|
*
|
|
* Note: Caller should acquire the chap lock before getting here.
|
|
**/
|
|
static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
|
|
uint16_t *chap_index)
|
|
{
|
|
int i, rval;
|
|
int free_index = -1;
|
|
int max_chap_entries = 0;
|
|
struct ql4_chap_table *chap_table;
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
if (!ha->chap_list) {
|
|
ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
|
|
rval = QLA_ERROR;
|
|
goto exit_find_chap;
|
|
}
|
|
|
|
for (i = 0; i < max_chap_entries; i++) {
|
|
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
|
|
|
|
if ((chap_table->cookie !=
|
|
__constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
|
|
(i > MAX_RESRV_CHAP_IDX)) {
|
|
free_index = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (free_index != -1) {
|
|
*chap_index = free_index;
|
|
rval = QLA_SUCCESS;
|
|
} else {
|
|
rval = QLA_ERROR;
|
|
}
|
|
|
|
exit_find_chap:
|
|
return rval;
|
|
}
|
|
|
|
static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
|
|
uint32_t *num_entries, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct ql4_chap_table *chap_table;
|
|
struct iscsi_chap_rec *chap_rec;
|
|
int max_chap_entries = 0;
|
|
int valid_chap_entries = 0;
|
|
int ret = 0, i;
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
|
|
__func__, *num_entries, chap_tbl_idx);
|
|
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto exit_get_chap_list;
|
|
}
|
|
|
|
chap_rec = (struct iscsi_chap_rec *) buf;
|
|
mutex_lock(&ha->chap_sem);
|
|
for (i = chap_tbl_idx; i < max_chap_entries; i++) {
|
|
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
|
|
if (chap_table->cookie !=
|
|
__constant_cpu_to_le16(CHAP_VALID_COOKIE))
|
|
continue;
|
|
|
|
chap_rec->chap_tbl_idx = i;
|
|
strncpy(chap_rec->username, chap_table->name,
|
|
ISCSI_CHAP_AUTH_NAME_MAX_LEN);
|
|
strncpy(chap_rec->password, chap_table->secret,
|
|
QL4_CHAP_MAX_SECRET_LEN);
|
|
chap_rec->password_length = chap_table->secret_len;
|
|
|
|
if (chap_table->flags & BIT_7) /* local */
|
|
chap_rec->chap_type = CHAP_TYPE_OUT;
|
|
|
|
if (chap_table->flags & BIT_6) /* peer */
|
|
chap_rec->chap_type = CHAP_TYPE_IN;
|
|
|
|
chap_rec++;
|
|
|
|
valid_chap_entries++;
|
|
if (valid_chap_entries == *num_entries)
|
|
break;
|
|
else
|
|
continue;
|
|
}
|
|
mutex_unlock(&ha->chap_sem);
|
|
|
|
exit_get_chap_list:
|
|
ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
|
|
__func__, valid_chap_entries);
|
|
*num_entries = valid_chap_entries;
|
|
return ret;
|
|
}
|
|
|
|
static int __qla4xxx_is_chap_active(struct device *dev, void *data)
|
|
{
|
|
int ret = 0;
|
|
uint16_t *chap_tbl_idx = (uint16_t *) data;
|
|
struct iscsi_cls_session *cls_session;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
|
|
if (!iscsi_is_session_dev(dev))
|
|
goto exit_is_chap_active;
|
|
|
|
cls_session = iscsi_dev_to_session(dev);
|
|
sess = cls_session->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
|
|
if (iscsi_session_chkready(cls_session))
|
|
goto exit_is_chap_active;
|
|
|
|
if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
|
|
ret = 1;
|
|
|
|
exit_is_chap_active:
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
|
|
uint16_t chap_tbl_idx)
|
|
{
|
|
int ret = 0;
|
|
|
|
ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
|
|
__qla4xxx_is_chap_active);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct ql4_chap_table *chap_table;
|
|
dma_addr_t chap_dma;
|
|
int max_chap_entries = 0;
|
|
uint32_t offset = 0;
|
|
uint32_t chap_size;
|
|
int ret = 0;
|
|
|
|
chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
|
|
if (chap_table == NULL)
|
|
return -ENOMEM;
|
|
|
|
memset(chap_table, 0, sizeof(struct ql4_chap_table));
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
if (chap_tbl_idx > max_chap_entries) {
|
|
ret = -EINVAL;
|
|
goto exit_delete_chap;
|
|
}
|
|
|
|
/* Check if chap index is in use.
|
|
* If chap is in use don't delet chap entry */
|
|
ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
|
|
if (ret) {
|
|
ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
|
|
"delete from flash\n", chap_tbl_idx);
|
|
ret = -EBUSY;
|
|
goto exit_delete_chap;
|
|
}
|
|
|
|
chap_size = sizeof(struct ql4_chap_table);
|
|
if (is_qla40XX(ha))
|
|
offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
|
|
else {
|
|
offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
|
|
/* flt_chap_size is CHAP table size for both ports
|
|
* so divide it by 2 to calculate the offset for second port
|
|
*/
|
|
if (ha->port_num == 1)
|
|
offset += (ha->hw.flt_chap_size / 2);
|
|
offset += (chap_tbl_idx * chap_size);
|
|
}
|
|
|
|
ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
|
|
if (ret != QLA_SUCCESS) {
|
|
ret = -EINVAL;
|
|
goto exit_delete_chap;
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
|
|
__le16_to_cpu(chap_table->cookie)));
|
|
|
|
if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
|
|
ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
|
|
goto exit_delete_chap;
|
|
}
|
|
|
|
chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
|
|
|
|
offset = FLASH_CHAP_OFFSET |
|
|
(chap_tbl_idx * sizeof(struct ql4_chap_table));
|
|
ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
|
|
FLASH_OPT_RMW_COMMIT);
|
|
if (ret == QLA_SUCCESS && ha->chap_list) {
|
|
mutex_lock(&ha->chap_sem);
|
|
/* Update ha chap_list cache */
|
|
memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
|
|
chap_table, sizeof(struct ql4_chap_table));
|
|
mutex_unlock(&ha->chap_sem);
|
|
}
|
|
if (ret != QLA_SUCCESS)
|
|
ret = -EINVAL;
|
|
|
|
exit_delete_chap:
|
|
dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_set_chap_entry - Make chap entry with given information
|
|
* @shost: pointer to host
|
|
* @data: chap info - credentials, index and type to make chap entry
|
|
* @len: length of data
|
|
*
|
|
* Add or update chap entry with the given information
|
|
**/
|
|
static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct iscsi_chap_rec chap_rec;
|
|
struct ql4_chap_table *chap_entry = NULL;
|
|
struct iscsi_param_info *param_info;
|
|
struct nlattr *attr;
|
|
int max_chap_entries = 0;
|
|
int type;
|
|
int rem = len;
|
|
int rc = 0;
|
|
|
|
memset(&chap_rec, 0, sizeof(chap_rec));
|
|
|
|
nla_for_each_attr(attr, data, len, rem) {
|
|
param_info = nla_data(attr);
|
|
|
|
switch (param_info->param) {
|
|
case ISCSI_CHAP_PARAM_INDEX:
|
|
chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
|
|
break;
|
|
case ISCSI_CHAP_PARAM_CHAP_TYPE:
|
|
chap_rec.chap_type = param_info->value[0];
|
|
break;
|
|
case ISCSI_CHAP_PARAM_USERNAME:
|
|
memcpy(chap_rec.username, param_info->value,
|
|
param_info->len);
|
|
break;
|
|
case ISCSI_CHAP_PARAM_PASSWORD:
|
|
memcpy(chap_rec.password, param_info->value,
|
|
param_info->len);
|
|
break;
|
|
case ISCSI_CHAP_PARAM_PASSWORD_LEN:
|
|
chap_rec.password_length = param_info->value[0];
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: No such sysfs attribute\n", __func__);
|
|
rc = -ENOSYS;
|
|
goto exit_set_chap;
|
|
};
|
|
}
|
|
|
|
if (chap_rec.chap_type == CHAP_TYPE_IN)
|
|
type = BIDI_CHAP;
|
|
else
|
|
type = LOCAL_CHAP;
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
mutex_lock(&ha->chap_sem);
|
|
if (chap_rec.chap_tbl_idx < max_chap_entries) {
|
|
rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
|
|
&chap_entry);
|
|
if (!rc) {
|
|
if (!(type == qla4xxx_get_chap_type(chap_entry))) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"Type mismatch for CHAP entry %d\n",
|
|
chap_rec.chap_tbl_idx);
|
|
rc = -EINVAL;
|
|
goto exit_unlock_chap;
|
|
}
|
|
|
|
/* If chap index is in use then don't modify it */
|
|
rc = qla4xxx_is_chap_active(shost,
|
|
chap_rec.chap_tbl_idx);
|
|
if (rc) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"CHAP entry %d is in use\n",
|
|
chap_rec.chap_tbl_idx);
|
|
rc = -EBUSY;
|
|
goto exit_unlock_chap;
|
|
}
|
|
}
|
|
} else {
|
|
rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
|
|
if (rc) {
|
|
ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
|
|
rc = -EBUSY;
|
|
goto exit_unlock_chap;
|
|
}
|
|
}
|
|
|
|
rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
|
|
chap_rec.chap_tbl_idx, type);
|
|
|
|
exit_unlock_chap:
|
|
mutex_unlock(&ha->chap_sem);
|
|
|
|
exit_set_chap:
|
|
return rc;
|
|
}
|
|
|
|
static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
|
|
enum iscsi_param_type param_type,
|
|
int param, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
int len = -ENOSYS;
|
|
|
|
if (param_type != ISCSI_NET_PARAM)
|
|
return -ENOSYS;
|
|
|
|
switch (param) {
|
|
case ISCSI_NET_PARAM_IPV4_ADDR:
|
|
len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_SUBNET:
|
|
len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask);
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_GW:
|
|
len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
|
|
break;
|
|
case ISCSI_NET_PARAM_IFACE_ENABLE:
|
|
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv4_options &
|
|
IPOPT_IPV4_PROTOCOL_ENABLE) ?
|
|
"enabled" : "disabled");
|
|
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv6_options &
|
|
IPV6_OPT_IPV6_PROTOCOL_ENABLE) ?
|
|
"enabled" : "disabled");
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ?
|
|
"dhcp" : "static");
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ADDR:
|
|
if (iface->iface_num == 0)
|
|
len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0);
|
|
if (iface->iface_num == 1)
|
|
len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1);
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
|
|
len = sprintf(buf, "%pI6\n",
|
|
&ha->ip_config.ipv6_link_local_addr);
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ROUTER:
|
|
len = sprintf(buf, "%pI6\n",
|
|
&ha->ip_config.ipv6_default_router_addr);
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv6_addl_options &
|
|
IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
|
|
"nd" : "static");
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv6_addl_options &
|
|
IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
|
|
"auto" : "static");
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_ID:
|
|
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
|
|
len = sprintf(buf, "%d\n",
|
|
(ha->ip_config.ipv4_vlan_tag &
|
|
ISCSI_MAX_VLAN_ID));
|
|
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
|
|
len = sprintf(buf, "%d\n",
|
|
(ha->ip_config.ipv6_vlan_tag &
|
|
ISCSI_MAX_VLAN_ID));
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_PRIORITY:
|
|
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
|
|
len = sprintf(buf, "%d\n",
|
|
((ha->ip_config.ipv4_vlan_tag >> 13) &
|
|
ISCSI_MAX_VLAN_PRIORITY));
|
|
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
|
|
len = sprintf(buf, "%d\n",
|
|
((ha->ip_config.ipv6_vlan_tag >> 13) &
|
|
ISCSI_MAX_VLAN_PRIORITY));
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_ENABLED:
|
|
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv4_options &
|
|
IPOPT_VLAN_TAGGING_ENABLE) ?
|
|
"enabled" : "disabled");
|
|
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
|
|
len = sprintf(buf, "%s\n",
|
|
(ha->ip_config.ipv6_options &
|
|
IPV6_OPT_VLAN_TAGGING_ENABLE) ?
|
|
"enabled" : "disabled");
|
|
break;
|
|
case ISCSI_NET_PARAM_MTU:
|
|
len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
|
|
break;
|
|
case ISCSI_NET_PARAM_PORT:
|
|
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
|
|
len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port);
|
|
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
|
|
len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port);
|
|
break;
|
|
default:
|
|
len = -ENOSYS;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static struct iscsi_endpoint *
|
|
qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
|
|
int non_blocking)
|
|
{
|
|
int ret;
|
|
struct iscsi_endpoint *ep;
|
|
struct qla_endpoint *qla_ep;
|
|
struct scsi_qla_host *ha;
|
|
struct sockaddr_in *addr;
|
|
struct sockaddr_in6 *addr6;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
if (!shost) {
|
|
ret = -ENXIO;
|
|
printk(KERN_ERR "%s: shost is NULL\n",
|
|
__func__);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
ha = iscsi_host_priv(shost);
|
|
|
|
ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
|
|
if (!ep) {
|
|
ret = -ENOMEM;
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
qla_ep = ep->dd_data;
|
|
memset(qla_ep, 0, sizeof(struct qla_endpoint));
|
|
if (dst_addr->sa_family == AF_INET) {
|
|
memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
|
|
addr = (struct sockaddr_in *)&qla_ep->dst_addr;
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
|
|
(char *)&addr->sin_addr));
|
|
} else if (dst_addr->sa_family == AF_INET6) {
|
|
memcpy(&qla_ep->dst_addr, dst_addr,
|
|
sizeof(struct sockaddr_in6));
|
|
addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
|
|
(char *)&addr6->sin6_addr));
|
|
}
|
|
|
|
qla_ep->host = shost;
|
|
|
|
return ep;
|
|
}
|
|
|
|
static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
|
|
{
|
|
struct qla_endpoint *qla_ep;
|
|
struct scsi_qla_host *ha;
|
|
int ret = 0;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
qla_ep = ep->dd_data;
|
|
ha = to_qla_host(qla_ep->host);
|
|
|
|
if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
|
|
ret = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
|
|
{
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
iscsi_destroy_endpoint(ep);
|
|
}
|
|
|
|
static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
|
|
enum iscsi_param param,
|
|
char *buf)
|
|
{
|
|
struct qla_endpoint *qla_ep = ep->dd_data;
|
|
struct sockaddr *dst_addr;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
|
|
switch (param) {
|
|
case ISCSI_PARAM_CONN_PORT:
|
|
case ISCSI_PARAM_CONN_ADDRESS:
|
|
if (!qla_ep)
|
|
return -ENOTCONN;
|
|
|
|
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
|
|
if (!dst_addr)
|
|
return -ENOTCONN;
|
|
|
|
return iscsi_conn_get_addr_param((struct sockaddr_storage *)
|
|
&qla_ep->dst_addr, param, buf);
|
|
default:
|
|
return -ENOSYS;
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
|
|
struct iscsi_stats *stats)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
struct ql_iscsi_stats *ql_iscsi_stats;
|
|
int stats_size;
|
|
int ret;
|
|
dma_addr_t iscsi_stats_dma;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
|
|
cls_sess = iscsi_conn_to_session(cls_conn);
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
|
|
/* Allocate memory */
|
|
ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
|
|
&iscsi_stats_dma, GFP_KERNEL);
|
|
if (!ql_iscsi_stats) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"Unable to allocate memory for iscsi stats\n");
|
|
goto exit_get_stats;
|
|
}
|
|
|
|
ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
|
|
iscsi_stats_dma);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"Unable to retrieve iscsi stats\n");
|
|
goto free_stats;
|
|
}
|
|
|
|
/* octets */
|
|
stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
|
|
stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
|
|
/* xmit pdus */
|
|
stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
|
|
stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
|
|
stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
|
|
stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
|
|
stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
|
|
stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
|
|
stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
|
|
stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
|
|
/* recv pdus */
|
|
stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
|
|
stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
|
|
stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
|
|
stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
|
|
stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
|
|
stats->logoutrsp_pdus =
|
|
le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
|
|
stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
|
|
stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
|
|
stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
|
|
|
|
free_stats:
|
|
dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
|
|
iscsi_stats_dma);
|
|
exit_get_stats:
|
|
return;
|
|
}
|
|
|
|
static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
|
|
{
|
|
struct iscsi_cls_session *session;
|
|
struct iscsi_session *sess;
|
|
unsigned long flags;
|
|
enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
|
|
|
|
session = starget_to_session(scsi_target(sc->device));
|
|
sess = session->dd_data;
|
|
|
|
spin_lock_irqsave(&session->lock, flags);
|
|
if (session->state == ISCSI_SESSION_FAILED)
|
|
ret = BLK_EH_RESET_TIMER;
|
|
spin_unlock_irqrestore(&session->lock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct iscsi_cls_host *ihost = shost->shost_data;
|
|
uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
|
|
|
|
qla4xxx_get_firmware_state(ha);
|
|
|
|
switch (ha->addl_fw_state & 0x0F00) {
|
|
case FW_ADDSTATE_LINK_SPEED_10MBPS:
|
|
speed = ISCSI_PORT_SPEED_10MBPS;
|
|
break;
|
|
case FW_ADDSTATE_LINK_SPEED_100MBPS:
|
|
speed = ISCSI_PORT_SPEED_100MBPS;
|
|
break;
|
|
case FW_ADDSTATE_LINK_SPEED_1GBPS:
|
|
speed = ISCSI_PORT_SPEED_1GBPS;
|
|
break;
|
|
case FW_ADDSTATE_LINK_SPEED_10GBPS:
|
|
speed = ISCSI_PORT_SPEED_10GBPS;
|
|
break;
|
|
}
|
|
ihost->port_speed = speed;
|
|
}
|
|
|
|
static void qla4xxx_set_port_state(struct Scsi_Host *shost)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct iscsi_cls_host *ihost = shost->shost_data;
|
|
uint32_t state = ISCSI_PORT_STATE_DOWN;
|
|
|
|
if (test_bit(AF_LINK_UP, &ha->flags))
|
|
state = ISCSI_PORT_STATE_UP;
|
|
|
|
ihost->port_state = state;
|
|
}
|
|
|
|
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
|
|
enum iscsi_host_param param, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
int len;
|
|
|
|
switch (param) {
|
|
case ISCSI_HOST_PARAM_HWADDRESS:
|
|
len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
|
|
break;
|
|
case ISCSI_HOST_PARAM_IPADDRESS:
|
|
len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
|
|
break;
|
|
case ISCSI_HOST_PARAM_INITIATOR_NAME:
|
|
len = sprintf(buf, "%s\n", ha->name_string);
|
|
break;
|
|
case ISCSI_HOST_PARAM_PORT_STATE:
|
|
qla4xxx_set_port_state(shost);
|
|
len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
|
|
break;
|
|
case ISCSI_HOST_PARAM_PORT_SPEED:
|
|
qla4xxx_set_port_speed(shost);
|
|
len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
|
|
break;
|
|
default:
|
|
return -ENOSYS;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->iface_ipv4)
|
|
return;
|
|
|
|
/* IPv4 */
|
|
ha->iface_ipv4 = iscsi_create_iface(ha->host,
|
|
&qla4xxx_iscsi_transport,
|
|
ISCSI_IFACE_TYPE_IPV4, 0, 0);
|
|
if (!ha->iface_ipv4)
|
|
ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
|
|
"iface0.\n");
|
|
}
|
|
|
|
static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
|
|
{
|
|
if (!ha->iface_ipv6_0)
|
|
/* IPv6 iface-0 */
|
|
ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
|
|
&qla4xxx_iscsi_transport,
|
|
ISCSI_IFACE_TYPE_IPV6, 0,
|
|
0);
|
|
if (!ha->iface_ipv6_0)
|
|
ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
|
|
"iface0.\n");
|
|
|
|
if (!ha->iface_ipv6_1)
|
|
/* IPv6 iface-1 */
|
|
ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
|
|
&qla4xxx_iscsi_transport,
|
|
ISCSI_IFACE_TYPE_IPV6, 1,
|
|
0);
|
|
if (!ha->iface_ipv6_1)
|
|
ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
|
|
"iface1.\n");
|
|
}
|
|
|
|
static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
|
|
qla4xxx_create_ipv4_iface(ha);
|
|
|
|
if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
|
|
qla4xxx_create_ipv6_iface(ha);
|
|
}
|
|
|
|
static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->iface_ipv4) {
|
|
iscsi_destroy_iface(ha->iface_ipv4);
|
|
ha->iface_ipv4 = NULL;
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->iface_ipv6_0) {
|
|
iscsi_destroy_iface(ha->iface_ipv6_0);
|
|
ha->iface_ipv6_0 = NULL;
|
|
}
|
|
if (ha->iface_ipv6_1) {
|
|
iscsi_destroy_iface(ha->iface_ipv6_1);
|
|
ha->iface_ipv6_1 = NULL;
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
|
|
{
|
|
qla4xxx_destroy_ipv4_iface(ha);
|
|
qla4xxx_destroy_ipv6_iface(ha);
|
|
}
|
|
|
|
static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
|
|
struct iscsi_iface_param_info *iface_param,
|
|
struct addr_ctrl_blk *init_fw_cb)
|
|
{
|
|
/*
|
|
* iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
|
|
* iface_num 1 is valid only for IPv6 Addr.
|
|
*/
|
|
switch (iface_param->param) {
|
|
case ISCSI_NET_PARAM_IPV6_ADDR:
|
|
if (iface_param->iface_num & 0x1)
|
|
/* IPv6 Addr 1 */
|
|
memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
|
|
sizeof(init_fw_cb->ipv6_addr1));
|
|
else
|
|
/* IPv6 Addr 0 */
|
|
memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
|
|
sizeof(init_fw_cb->ipv6_addr0));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
|
|
sizeof(init_fw_cb->ipv6_if_id));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ROUTER:
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
|
|
sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
|
|
/* Autocfg applies to even interface */
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
|
|
if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
|
|
init_fw_cb->ipv6_addtl_opts &=
|
|
cpu_to_le16(
|
|
~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
|
|
else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
|
|
init_fw_cb->ipv6_addtl_opts |=
|
|
cpu_to_le16(
|
|
IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
|
|
else
|
|
ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
|
|
"IPv6 addr\n");
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
|
|
/* Autocfg applies to even interface */
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
|
|
if (iface_param->value[0] ==
|
|
ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
|
|
init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
|
|
IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
|
|
else if (iface_param->value[0] ==
|
|
ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
|
|
init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
|
|
~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
|
|
else
|
|
ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
|
|
"IPv6 linklocal addr\n");
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
|
|
/* Autocfg applies to even interface */
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
|
|
if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
|
|
memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
|
|
sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
|
|
break;
|
|
case ISCSI_NET_PARAM_IFACE_ENABLE:
|
|
if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
|
|
init_fw_cb->ipv6_opts |=
|
|
cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
|
|
qla4xxx_create_ipv6_iface(ha);
|
|
} else {
|
|
init_fw_cb->ipv6_opts &=
|
|
cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
|
|
0xFFFF);
|
|
qla4xxx_destroy_ipv6_iface(ha);
|
|
}
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_TAG:
|
|
if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
|
|
break;
|
|
init_fw_cb->ipv6_vlan_tag =
|
|
cpu_to_be16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_ENABLED:
|
|
if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
|
|
init_fw_cb->ipv6_opts |=
|
|
cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
|
|
else
|
|
init_fw_cb->ipv6_opts &=
|
|
cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
|
|
break;
|
|
case ISCSI_NET_PARAM_MTU:
|
|
init_fw_cb->eth_mtu_size =
|
|
cpu_to_le16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
case ISCSI_NET_PARAM_PORT:
|
|
/* Autocfg applies to even interface */
|
|
if (iface_param->iface_num & 0x1)
|
|
break;
|
|
|
|
init_fw_cb->ipv6_port =
|
|
cpu_to_le16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
|
|
iface_param->param);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
|
|
struct iscsi_iface_param_info *iface_param,
|
|
struct addr_ctrl_blk *init_fw_cb)
|
|
{
|
|
switch (iface_param->param) {
|
|
case ISCSI_NET_PARAM_IPV4_ADDR:
|
|
memcpy(init_fw_cb->ipv4_addr, iface_param->value,
|
|
sizeof(init_fw_cb->ipv4_addr));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_SUBNET:
|
|
memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
|
|
sizeof(init_fw_cb->ipv4_subnet));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_GW:
|
|
memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
|
|
sizeof(init_fw_cb->ipv4_gw_addr));
|
|
break;
|
|
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
|
|
if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
|
|
init_fw_cb->ipv4_tcp_opts |=
|
|
cpu_to_le16(TCPOPT_DHCP_ENABLE);
|
|
else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
|
|
init_fw_cb->ipv4_tcp_opts &=
|
|
cpu_to_le16(~TCPOPT_DHCP_ENABLE);
|
|
else
|
|
ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
|
|
break;
|
|
case ISCSI_NET_PARAM_IFACE_ENABLE:
|
|
if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
|
|
init_fw_cb->ipv4_ip_opts |=
|
|
cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
|
|
qla4xxx_create_ipv4_iface(ha);
|
|
} else {
|
|
init_fw_cb->ipv4_ip_opts &=
|
|
cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
|
|
0xFFFF);
|
|
qla4xxx_destroy_ipv4_iface(ha);
|
|
}
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_TAG:
|
|
if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
|
|
break;
|
|
init_fw_cb->ipv4_vlan_tag =
|
|
cpu_to_be16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
case ISCSI_NET_PARAM_VLAN_ENABLED:
|
|
if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
|
|
init_fw_cb->ipv4_ip_opts |=
|
|
cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
|
|
else
|
|
init_fw_cb->ipv4_ip_opts &=
|
|
cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
|
|
break;
|
|
case ISCSI_NET_PARAM_MTU:
|
|
init_fw_cb->eth_mtu_size =
|
|
cpu_to_le16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
case ISCSI_NET_PARAM_PORT:
|
|
init_fw_cb->ipv4_port =
|
|
cpu_to_le16(*(uint16_t *)iface_param->value);
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
|
|
iface_param->param);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
|
|
{
|
|
struct addr_ctrl_blk_def *acb;
|
|
acb = (struct addr_ctrl_blk_def *)init_fw_cb;
|
|
memset(acb->reserved1, 0, sizeof(acb->reserved1));
|
|
memset(acb->reserved2, 0, sizeof(acb->reserved2));
|
|
memset(acb->reserved3, 0, sizeof(acb->reserved3));
|
|
memset(acb->reserved4, 0, sizeof(acb->reserved4));
|
|
memset(acb->reserved5, 0, sizeof(acb->reserved5));
|
|
memset(acb->reserved6, 0, sizeof(acb->reserved6));
|
|
memset(acb->reserved7, 0, sizeof(acb->reserved7));
|
|
memset(acb->reserved8, 0, sizeof(acb->reserved8));
|
|
memset(acb->reserved9, 0, sizeof(acb->reserved9));
|
|
memset(acb->reserved10, 0, sizeof(acb->reserved10));
|
|
memset(acb->reserved11, 0, sizeof(acb->reserved11));
|
|
memset(acb->reserved12, 0, sizeof(acb->reserved12));
|
|
memset(acb->reserved13, 0, sizeof(acb->reserved13));
|
|
memset(acb->reserved14, 0, sizeof(acb->reserved14));
|
|
memset(acb->reserved15, 0, sizeof(acb->reserved15));
|
|
}
|
|
|
|
static int
|
|
qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
int rval = 0;
|
|
struct iscsi_iface_param_info *iface_param = NULL;
|
|
struct addr_ctrl_blk *init_fw_cb = NULL;
|
|
dma_addr_t init_fw_cb_dma;
|
|
uint32_t mbox_cmd[MBOX_REG_COUNT];
|
|
uint32_t mbox_sts[MBOX_REG_COUNT];
|
|
uint32_t rem = len;
|
|
struct nlattr *attr;
|
|
|
|
init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(struct addr_ctrl_blk),
|
|
&init_fw_cb_dma, GFP_KERNEL);
|
|
if (!init_fw_cb) {
|
|
ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
|
|
__func__);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
|
|
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
|
|
memset(&mbox_sts, 0, sizeof(mbox_sts));
|
|
|
|
if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
|
|
ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
|
|
rval = -EIO;
|
|
goto exit_init_fw_cb;
|
|
}
|
|
|
|
nla_for_each_attr(attr, data, len, rem) {
|
|
iface_param = nla_data(attr);
|
|
|
|
if (iface_param->param_type != ISCSI_NET_PARAM)
|
|
continue;
|
|
|
|
switch (iface_param->iface_type) {
|
|
case ISCSI_IFACE_TYPE_IPV4:
|
|
switch (iface_param->iface_num) {
|
|
case 0:
|
|
qla4xxx_set_ipv4(ha, iface_param, init_fw_cb);
|
|
break;
|
|
default:
|
|
/* Cannot have more than one IPv4 interface */
|
|
ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface "
|
|
"number = %d\n",
|
|
iface_param->iface_num);
|
|
break;
|
|
}
|
|
break;
|
|
case ISCSI_IFACE_TYPE_IPV6:
|
|
switch (iface_param->iface_num) {
|
|
case 0:
|
|
case 1:
|
|
qla4xxx_set_ipv6(ha, iface_param, init_fw_cb);
|
|
break;
|
|
default:
|
|
/* Cannot have more than two IPv6 interface */
|
|
ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface "
|
|
"number = %d\n",
|
|
iface_param->iface_num);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha, "Invalid iface type\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
|
|
|
|
rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
|
|
sizeof(struct addr_ctrl_blk),
|
|
FLASH_OPT_RMW_COMMIT);
|
|
if (rval != QLA_SUCCESS) {
|
|
ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
|
|
__func__);
|
|
rval = -EIO;
|
|
goto exit_init_fw_cb;
|
|
}
|
|
|
|
rval = qla4xxx_disable_acb(ha);
|
|
if (rval != QLA_SUCCESS) {
|
|
ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
|
|
__func__);
|
|
rval = -EIO;
|
|
goto exit_init_fw_cb;
|
|
}
|
|
|
|
wait_for_completion_timeout(&ha->disable_acb_comp,
|
|
DISABLE_ACB_TOV * HZ);
|
|
|
|
qla4xxx_initcb_to_acb(init_fw_cb);
|
|
|
|
rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
|
|
if (rval != QLA_SUCCESS) {
|
|
ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
|
|
__func__);
|
|
rval = -EIO;
|
|
goto exit_init_fw_cb;
|
|
}
|
|
|
|
memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
|
|
qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
|
|
init_fw_cb_dma);
|
|
|
|
exit_init_fw_cb:
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
|
|
init_fw_cb, init_fw_cb_dma);
|
|
|
|
return rval;
|
|
}
|
|
|
|
static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
|
|
enum iscsi_param param, char *buf)
|
|
{
|
|
struct iscsi_session *sess = cls_sess->dd_data;
|
|
struct ddb_entry *ddb_entry = sess->dd_data;
|
|
struct scsi_qla_host *ha = ddb_entry->ha;
|
|
struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
|
|
struct ql4_chap_table chap_tbl;
|
|
int rval, len;
|
|
uint16_t idx;
|
|
|
|
memset(&chap_tbl, 0, sizeof(chap_tbl));
|
|
switch (param) {
|
|
case ISCSI_PARAM_CHAP_IN_IDX:
|
|
rval = qla4xxx_get_chap_index(ha, sess->username_in,
|
|
sess->password_in, BIDI_CHAP,
|
|
&idx);
|
|
if (rval)
|
|
len = sprintf(buf, "\n");
|
|
else
|
|
len = sprintf(buf, "%hu\n", idx);
|
|
break;
|
|
case ISCSI_PARAM_CHAP_OUT_IDX:
|
|
if (ddb_entry->ddb_type == FLASH_DDB) {
|
|
if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
|
|
idx = ddb_entry->chap_tbl_idx;
|
|
rval = QLA_SUCCESS;
|
|
} else {
|
|
rval = QLA_ERROR;
|
|
}
|
|
} else {
|
|
rval = qla4xxx_get_chap_index(ha, sess->username,
|
|
sess->password,
|
|
LOCAL_CHAP, &idx);
|
|
}
|
|
if (rval)
|
|
len = sprintf(buf, "\n");
|
|
else
|
|
len = sprintf(buf, "%hu\n", idx);
|
|
break;
|
|
case ISCSI_PARAM_USERNAME:
|
|
case ISCSI_PARAM_PASSWORD:
|
|
/* First, populate session username and password for FLASH DDB,
|
|
* if not already done. This happens when session login fails
|
|
* for a FLASH DDB.
|
|
*/
|
|
if (ddb_entry->ddb_type == FLASH_DDB &&
|
|
ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
|
|
!sess->username && !sess->password) {
|
|
idx = ddb_entry->chap_tbl_idx;
|
|
rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
|
|
chap_tbl.secret,
|
|
idx);
|
|
if (!rval) {
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
|
|
(char *)chap_tbl.name,
|
|
strlen((char *)chap_tbl.name));
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
|
|
(char *)chap_tbl.secret,
|
|
chap_tbl.secret_len);
|
|
}
|
|
}
|
|
/* allow fall-through */
|
|
default:
|
|
return iscsi_session_get_param(cls_sess, param, buf);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
|
|
enum iscsi_param param, char *buf)
|
|
{
|
|
struct iscsi_conn *conn;
|
|
struct qla_conn *qla_conn;
|
|
struct sockaddr *dst_addr;
|
|
int len = 0;
|
|
|
|
conn = cls_conn->dd_data;
|
|
qla_conn = conn->dd_data;
|
|
dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
|
|
|
|
switch (param) {
|
|
case ISCSI_PARAM_CONN_PORT:
|
|
case ISCSI_PARAM_CONN_ADDRESS:
|
|
return iscsi_conn_get_addr_param((struct sockaddr_storage *)
|
|
dst_addr, param, buf);
|
|
default:
|
|
return iscsi_conn_get_param(cls_conn, param, buf);
|
|
}
|
|
|
|
return len;
|
|
|
|
}
|
|
|
|
int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
|
|
{
|
|
uint32_t mbx_sts = 0;
|
|
uint16_t tmp_ddb_index;
|
|
int ret;
|
|
|
|
get_ddb_index:
|
|
tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
|
|
|
|
if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Free DDB index not available\n"));
|
|
ret = QLA_ERROR;
|
|
goto exit_get_ddb_index;
|
|
}
|
|
|
|
if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
|
|
goto get_ddb_index;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Found a free DDB index at %d\n", tmp_ddb_index));
|
|
ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
|
|
if (ret == QLA_ERROR) {
|
|
if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"DDB index = %d not available trying next\n",
|
|
tmp_ddb_index);
|
|
goto get_ddb_index;
|
|
}
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Free FW DDB not available\n"));
|
|
}
|
|
|
|
*ddb_index = tmp_ddb_index;
|
|
|
|
exit_get_ddb_index:
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry,
|
|
char *existing_ipaddr,
|
|
char *user_ipaddr)
|
|
{
|
|
uint8_t dst_ipaddr[IPv6_ADDR_LEN];
|
|
char formatted_ipaddr[DDB_IPADDR_LEN];
|
|
int status = QLA_SUCCESS, ret = 0;
|
|
|
|
if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
|
|
ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
|
|
'\0', NULL);
|
|
if (ret == 0) {
|
|
status = QLA_ERROR;
|
|
goto out_match;
|
|
}
|
|
ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
|
|
} else {
|
|
ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
|
|
'\0', NULL);
|
|
if (ret == 0) {
|
|
status = QLA_ERROR;
|
|
goto out_match;
|
|
}
|
|
ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
|
|
}
|
|
|
|
if (strcmp(existing_ipaddr, formatted_ipaddr))
|
|
status = QLA_ERROR;
|
|
|
|
out_match:
|
|
return status;
|
|
}
|
|
|
|
static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
|
|
struct iscsi_cls_conn *cls_conn)
|
|
{
|
|
int idx = 0, max_ddbs, rval;
|
|
struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
|
|
struct iscsi_session *sess, *existing_sess;
|
|
struct iscsi_conn *conn, *existing_conn;
|
|
struct ddb_entry *ddb_entry;
|
|
|
|
sess = cls_sess->dd_data;
|
|
conn = cls_conn->dd_data;
|
|
|
|
if (sess->targetname == NULL ||
|
|
conn->persistent_address == NULL ||
|
|
conn->persistent_port == 0)
|
|
return QLA_ERROR;
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
for (idx = 0; idx < max_ddbs; idx++) {
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
|
|
if (ddb_entry == NULL)
|
|
continue;
|
|
|
|
if (ddb_entry->ddb_type != FLASH_DDB)
|
|
continue;
|
|
|
|
existing_sess = ddb_entry->sess->dd_data;
|
|
existing_conn = ddb_entry->conn->dd_data;
|
|
|
|
if (existing_sess->targetname == NULL ||
|
|
existing_conn->persistent_address == NULL ||
|
|
existing_conn->persistent_port == 0)
|
|
continue;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"IQN = %s User IQN = %s\n",
|
|
existing_sess->targetname,
|
|
sess->targetname));
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"IP = %s User IP = %s\n",
|
|
existing_conn->persistent_address,
|
|
conn->persistent_address));
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Port = %d User Port = %d\n",
|
|
existing_conn->persistent_port,
|
|
conn->persistent_port));
|
|
|
|
if (strcmp(existing_sess->targetname, sess->targetname))
|
|
continue;
|
|
rval = qla4xxx_match_ipaddress(ha, ddb_entry,
|
|
existing_conn->persistent_address,
|
|
conn->persistent_address);
|
|
if (rval == QLA_ERROR)
|
|
continue;
|
|
if (existing_conn->persistent_port != conn->persistent_port)
|
|
continue;
|
|
break;
|
|
}
|
|
|
|
if (idx == max_ddbs)
|
|
return QLA_ERROR;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Match found in fwdb sessions\n"));
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
static struct iscsi_cls_session *
|
|
qla4xxx_session_create(struct iscsi_endpoint *ep,
|
|
uint16_t cmds_max, uint16_t qdepth,
|
|
uint32_t initial_cmdsn)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct scsi_qla_host *ha;
|
|
struct qla_endpoint *qla_ep;
|
|
struct ddb_entry *ddb_entry;
|
|
uint16_t ddb_index;
|
|
struct iscsi_session *sess;
|
|
struct sockaddr *dst_addr;
|
|
int ret;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
if (!ep) {
|
|
printk(KERN_ERR "qla4xxx: missing ep.\n");
|
|
return NULL;
|
|
}
|
|
|
|
qla_ep = ep->dd_data;
|
|
dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
|
|
ha = to_qla_host(qla_ep->host);
|
|
|
|
ret = qla4xxx_get_ddb_index(ha, &ddb_index);
|
|
if (ret == QLA_ERROR)
|
|
return NULL;
|
|
|
|
cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
|
|
cmds_max, sizeof(struct ddb_entry),
|
|
sizeof(struct ql4_task_data),
|
|
initial_cmdsn, ddb_index);
|
|
if (!cls_sess)
|
|
return NULL;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ddb_entry->fw_ddb_index = ddb_index;
|
|
ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
|
|
ddb_entry->ha = ha;
|
|
ddb_entry->sess = cls_sess;
|
|
ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
|
|
ddb_entry->ddb_change = qla4xxx_ddb_change;
|
|
cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
|
|
ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
|
|
ha->tot_ddbs++;
|
|
|
|
return cls_sess;
|
|
}
|
|
|
|
static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
unsigned long flags, wtime;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint32_t ddb_state;
|
|
int ret;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
goto destroy_session;
|
|
}
|
|
|
|
wtime = jiffies + (HZ * LOGOUT_TOV);
|
|
do {
|
|
ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
|
|
fw_ddb_entry, fw_ddb_entry_dma,
|
|
NULL, NULL, &ddb_state, NULL,
|
|
NULL, NULL);
|
|
if (ret == QLA_ERROR)
|
|
goto destroy_session;
|
|
|
|
if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
|
|
(ddb_state == DDB_DS_SESSION_FAILED))
|
|
goto destroy_session;
|
|
|
|
schedule_timeout_uninterruptible(HZ);
|
|
} while ((time_after(wtime, jiffies)));
|
|
|
|
destroy_session:
|
|
qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
qla4xxx_free_ddb(ha, ddb_entry);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
iscsi_session_teardown(cls_sess);
|
|
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
}
|
|
|
|
static struct iscsi_cls_conn *
|
|
qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
|
|
{
|
|
struct iscsi_cls_conn *cls_conn;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
|
|
conn_idx);
|
|
if (!cls_conn)
|
|
return NULL;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ddb_entry->conn = cls_conn;
|
|
|
|
return cls_conn;
|
|
}
|
|
|
|
static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
|
|
struct iscsi_cls_conn *cls_conn,
|
|
uint64_t transport_fd, int is_leading)
|
|
{
|
|
struct iscsi_conn *conn;
|
|
struct qla_conn *qla_conn;
|
|
struct iscsi_endpoint *ep;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
|
|
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
|
|
return -EINVAL;
|
|
ep = iscsi_lookup_endpoint(transport_fd);
|
|
conn = cls_conn->dd_data;
|
|
qla_conn = conn->dd_data;
|
|
qla_conn->qla_ep = ep->dd_data;
|
|
return 0;
|
|
}
|
|
|
|
static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
|
|
{
|
|
struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint32_t mbx_sts = 0;
|
|
int ret = 0;
|
|
int status = QLA_SUCCESS;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
/* Check if we have matching FW DDB, if yes then do not
|
|
* login to this target. This could cause target to logout previous
|
|
* connection
|
|
*/
|
|
ret = qla4xxx_match_fwdb_session(ha, cls_conn);
|
|
if (ret == QLA_SUCCESS) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"Session already exist in FW.\n");
|
|
ret = -EEXIST;
|
|
goto exit_conn_start;
|
|
}
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
ret = -ENOMEM;
|
|
goto exit_conn_start;
|
|
}
|
|
|
|
ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
|
|
if (ret) {
|
|
/* If iscsid is stopped and started then no need to do
|
|
* set param again since ddb state will be already
|
|
* active and FW does not allow set ddb to an
|
|
* active session.
|
|
*/
|
|
if (mbx_sts)
|
|
if (ddb_entry->fw_ddb_device_state ==
|
|
DDB_DS_SESSION_ACTIVE) {
|
|
ddb_entry->unblock_sess(ddb_entry->sess);
|
|
goto exit_set_param;
|
|
}
|
|
|
|
ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
|
|
__func__, ddb_entry->fw_ddb_index);
|
|
goto exit_conn_start;
|
|
}
|
|
|
|
status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
|
|
if (status == QLA_ERROR) {
|
|
ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
|
|
sess->targetname);
|
|
ret = -EINVAL;
|
|
goto exit_conn_start;
|
|
}
|
|
|
|
if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
|
|
ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
|
|
|
|
DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
|
|
ddb_entry->fw_ddb_device_state));
|
|
|
|
exit_set_param:
|
|
ret = 0;
|
|
|
|
exit_conn_start:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
|
|
{
|
|
struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
|
|
struct iscsi_session *sess;
|
|
struct scsi_qla_host *ha;
|
|
struct ddb_entry *ddb_entry;
|
|
int options;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
options = LOGOUT_OPTION_CLOSE_SESSION;
|
|
if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
|
|
ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
|
|
}
|
|
|
|
static void qla4xxx_task_work(struct work_struct *wdata)
|
|
{
|
|
struct ql4_task_data *task_data;
|
|
struct scsi_qla_host *ha;
|
|
struct passthru_status *sts;
|
|
struct iscsi_task *task;
|
|
struct iscsi_hdr *hdr;
|
|
uint8_t *data;
|
|
uint32_t data_len;
|
|
struct iscsi_conn *conn;
|
|
int hdr_len;
|
|
itt_t itt;
|
|
|
|
task_data = container_of(wdata, struct ql4_task_data, task_work);
|
|
ha = task_data->ha;
|
|
task = task_data->task;
|
|
sts = &task_data->sts;
|
|
hdr_len = sizeof(struct iscsi_hdr);
|
|
|
|
DEBUG3(printk(KERN_INFO "Status returned\n"));
|
|
DEBUG3(qla4xxx_dump_buffer(sts, 64));
|
|
DEBUG3(printk(KERN_INFO "Response buffer"));
|
|
DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
|
|
|
|
conn = task->conn;
|
|
|
|
switch (sts->completionStatus) {
|
|
case PASSTHRU_STATUS_COMPLETE:
|
|
hdr = (struct iscsi_hdr *)task_data->resp_buffer;
|
|
/* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
|
|
itt = sts->handle;
|
|
hdr->itt = itt;
|
|
data = task_data->resp_buffer + hdr_len;
|
|
data_len = task_data->resp_len - hdr_len;
|
|
iscsi_complete_pdu(conn, hdr, data, data_len);
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
|
|
sts->completionStatus);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
|
|
{
|
|
struct ql4_task_data *task_data;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
int hdr_len;
|
|
|
|
sess = task->conn->session;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
task_data = task->dd_data;
|
|
memset(task_data, 0, sizeof(struct ql4_task_data));
|
|
|
|
if (task->sc) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"%s: SCSI Commands not implemented\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
hdr_len = sizeof(struct iscsi_hdr);
|
|
task_data->ha = ha;
|
|
task_data->task = task;
|
|
|
|
if (task->data_count) {
|
|
task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
|
|
task->data_count,
|
|
PCI_DMA_TODEVICE);
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
|
|
__func__, task->conn->max_recv_dlength, hdr_len));
|
|
|
|
task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
|
|
task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
|
|
task_data->resp_len,
|
|
&task_data->resp_dma,
|
|
GFP_ATOMIC);
|
|
if (!task_data->resp_buffer)
|
|
goto exit_alloc_pdu;
|
|
|
|
task_data->req_len = task->data_count + hdr_len;
|
|
task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
|
|
task_data->req_len,
|
|
&task_data->req_dma,
|
|
GFP_ATOMIC);
|
|
if (!task_data->req_buffer)
|
|
goto exit_alloc_pdu;
|
|
|
|
task->hdr = task_data->req_buffer;
|
|
|
|
INIT_WORK(&task_data->task_work, qla4xxx_task_work);
|
|
|
|
return 0;
|
|
|
|
exit_alloc_pdu:
|
|
if (task_data->resp_buffer)
|
|
dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
|
|
task_data->resp_buffer, task_data->resp_dma);
|
|
|
|
if (task_data->req_buffer)
|
|
dma_free_coherent(&ha->pdev->dev, task_data->req_len,
|
|
task_data->req_buffer, task_data->req_dma);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static void qla4xxx_task_cleanup(struct iscsi_task *task)
|
|
{
|
|
struct ql4_task_data *task_data;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
int hdr_len;
|
|
|
|
hdr_len = sizeof(struct iscsi_hdr);
|
|
sess = task->conn->session;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
task_data = task->dd_data;
|
|
|
|
if (task->data_count) {
|
|
dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
|
|
task->data_count, PCI_DMA_TODEVICE);
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
|
|
__func__, task->conn->max_recv_dlength, hdr_len));
|
|
|
|
dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
|
|
task_data->resp_buffer, task_data->resp_dma);
|
|
dma_free_coherent(&ha->pdev->dev, task_data->req_len,
|
|
task_data->req_buffer, task_data->req_dma);
|
|
return;
|
|
}
|
|
|
|
static int qla4xxx_task_xmit(struct iscsi_task *task)
|
|
{
|
|
struct scsi_cmnd *sc = task->sc;
|
|
struct iscsi_session *sess = task->conn->session;
|
|
struct ddb_entry *ddb_entry = sess->dd_data;
|
|
struct scsi_qla_host *ha = ddb_entry->ha;
|
|
|
|
if (!sc)
|
|
return qla4xxx_send_passthru0(task);
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
|
|
__func__);
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
|
|
struct iscsi_bus_flash_conn *conn,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
unsigned long options = 0;
|
|
int rc = 0;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
|
|
if (test_bit(OPT_IPV6_DEVICE, &options)) {
|
|
rc = iscsi_switch_str_param(&sess->portal_type,
|
|
PORTAL_TYPE_IPV6);
|
|
if (rc)
|
|
goto exit_copy;
|
|
} else {
|
|
rc = iscsi_switch_str_param(&sess->portal_type,
|
|
PORTAL_TYPE_IPV4);
|
|
if (rc)
|
|
goto exit_copy;
|
|
}
|
|
|
|
sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
|
|
&options);
|
|
sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
|
|
sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->iscsi_options);
|
|
conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
|
|
conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
|
|
sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
|
|
sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
|
|
sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
|
|
&options);
|
|
sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
|
|
sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
|
|
conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
|
|
sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
|
|
&options);
|
|
sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
|
|
sess->discovery_auth_optional =
|
|
test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
|
|
if (test_bit(ISCSIOPT_ERL1, &options))
|
|
sess->erl |= BIT_1;
|
|
if (test_bit(ISCSIOPT_ERL0, &options))
|
|
sess->erl |= BIT_0;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->tcp_options);
|
|
conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
|
|
conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
|
|
conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
|
|
if (test_bit(TCPOPT_TIMER_SCALE3, &options))
|
|
conn->tcp_timer_scale |= BIT_3;
|
|
if (test_bit(TCPOPT_TIMER_SCALE2, &options))
|
|
conn->tcp_timer_scale |= BIT_2;
|
|
if (test_bit(TCPOPT_TIMER_SCALE1, &options))
|
|
conn->tcp_timer_scale |= BIT_1;
|
|
|
|
conn->tcp_timer_scale >>= 1;
|
|
conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->ip_options);
|
|
conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
|
|
|
|
conn->max_recv_dlength = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
|
|
conn->max_xmit_dlength = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
|
|
sess->first_burst = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
|
|
sess->max_burst = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
|
|
sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
|
|
sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
|
|
sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
|
|
sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
|
|
conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
|
|
conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
|
|
conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
|
|
conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
|
|
conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
|
|
conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
|
|
conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
|
|
conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
|
|
sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
|
|
sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
|
|
|
|
sess->default_taskmgmt_timeout =
|
|
le16_to_cpu(fw_ddb_entry->def_timeout);
|
|
conn->port = le16_to_cpu(fw_ddb_entry->port);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
|
|
if (!conn->ipaddress) {
|
|
rc = -ENOMEM;
|
|
goto exit_copy;
|
|
}
|
|
|
|
conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
|
|
if (!conn->redirect_ipaddr) {
|
|
rc = -ENOMEM;
|
|
goto exit_copy;
|
|
}
|
|
|
|
memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
|
|
memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
|
|
|
|
if (test_bit(OPT_IPV6_DEVICE, &options)) {
|
|
conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
|
|
|
|
conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
|
|
if (!conn->link_local_ipv6_addr) {
|
|
rc = -ENOMEM;
|
|
goto exit_copy;
|
|
}
|
|
|
|
memcpy(conn->link_local_ipv6_addr,
|
|
fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN);
|
|
} else {
|
|
conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
|
|
}
|
|
|
|
if (fw_ddb_entry->iscsi_name[0]) {
|
|
rc = iscsi_switch_str_param(&sess->targetname,
|
|
(char *)fw_ddb_entry->iscsi_name);
|
|
if (rc)
|
|
goto exit_copy;
|
|
}
|
|
|
|
if (fw_ddb_entry->iscsi_alias[0]) {
|
|
rc = iscsi_switch_str_param(&sess->targetalias,
|
|
(char *)fw_ddb_entry->iscsi_alias);
|
|
if (rc)
|
|
goto exit_copy;
|
|
}
|
|
|
|
COPY_ISID(sess->isid, fw_ddb_entry->isid);
|
|
|
|
exit_copy:
|
|
return rc;
|
|
}
|
|
|
|
static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
|
|
struct iscsi_bus_flash_conn *conn,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
uint16_t options;
|
|
int rc = 0;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
|
|
if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
options |= BIT_8;
|
|
else
|
|
options &= ~BIT_8;
|
|
|
|
SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
|
|
SET_BITVAL(sess->discovery_sess, options, BIT_4);
|
|
SET_BITVAL(sess->entry_state, options, BIT_3);
|
|
fw_ddb_entry->options = cpu_to_le16(options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->iscsi_options);
|
|
SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
|
|
SET_BITVAL(conn->datadgst_en, options, BIT_12);
|
|
SET_BITVAL(sess->imm_data_en, options, BIT_11);
|
|
SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
|
|
SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
|
|
SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
|
|
SET_BITVAL(sess->chap_auth_en, options, BIT_7);
|
|
SET_BITVAL(conn->snack_req_en, options, BIT_6);
|
|
SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
|
|
SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
|
|
SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
|
|
SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
|
|
SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
|
|
fw_ddb_entry->iscsi_options = cpu_to_le16(options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->tcp_options);
|
|
SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
|
|
SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
|
|
SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
|
|
SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
|
|
SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
|
|
SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
|
|
SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
|
|
fw_ddb_entry->tcp_options = cpu_to_le16(options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->ip_options);
|
|
SET_BITVAL(conn->fragment_disable, options, BIT_4);
|
|
fw_ddb_entry->ip_options = cpu_to_le16(options);
|
|
|
|
fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
|
|
fw_ddb_entry->iscsi_max_rcv_data_seg_len =
|
|
cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
|
|
fw_ddb_entry->iscsi_max_snd_data_seg_len =
|
|
cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
|
|
fw_ddb_entry->iscsi_first_burst_len =
|
|
cpu_to_le16(sess->first_burst / BYTE_UNITS);
|
|
fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
|
|
BYTE_UNITS);
|
|
fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
|
|
fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
|
|
fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
|
|
fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
|
|
fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
|
|
fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
|
|
fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
|
|
fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
|
|
fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
|
|
fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
|
|
fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
|
|
fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
|
|
fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
|
|
fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
|
|
fw_ddb_entry->port = cpu_to_le16(conn->port);
|
|
fw_ddb_entry->def_timeout =
|
|
cpu_to_le16(sess->default_taskmgmt_timeout);
|
|
|
|
if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
|
|
else
|
|
fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
|
|
|
|
if (conn->ipaddress)
|
|
memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
|
|
sizeof(fw_ddb_entry->ip_addr));
|
|
|
|
if (conn->redirect_ipaddr)
|
|
memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
|
|
sizeof(fw_ddb_entry->tgt_addr));
|
|
|
|
if (conn->link_local_ipv6_addr)
|
|
memcpy(fw_ddb_entry->link_local_ipv6_addr,
|
|
conn->link_local_ipv6_addr,
|
|
sizeof(fw_ddb_entry->link_local_ipv6_addr));
|
|
|
|
if (sess->targetname)
|
|
memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
|
|
sizeof(fw_ddb_entry->iscsi_name));
|
|
|
|
if (sess->targetalias)
|
|
memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
|
|
sizeof(fw_ddb_entry->iscsi_alias));
|
|
|
|
COPY_ISID(fw_ddb_entry->isid, sess->isid);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
|
|
struct iscsi_session *sess,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
unsigned long options = 0;
|
|
uint16_t ddb_link;
|
|
uint16_t disc_parent;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
|
|
sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
|
|
&options);
|
|
sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->iscsi_options);
|
|
conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
|
|
conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
|
|
sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
|
|
sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
|
|
sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
|
|
&options);
|
|
sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
|
|
sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
|
|
sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
|
|
&options);
|
|
sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
|
|
sess->discovery_auth_optional =
|
|
test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
|
|
if (test_bit(ISCSIOPT_ERL1, &options))
|
|
sess->erl |= BIT_1;
|
|
if (test_bit(ISCSIOPT_ERL0, &options))
|
|
sess->erl |= BIT_0;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->tcp_options);
|
|
conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
|
|
conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
|
|
conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
|
|
if (test_bit(TCPOPT_TIMER_SCALE3, &options))
|
|
conn->tcp_timer_scale |= BIT_3;
|
|
if (test_bit(TCPOPT_TIMER_SCALE2, &options))
|
|
conn->tcp_timer_scale |= BIT_2;
|
|
if (test_bit(TCPOPT_TIMER_SCALE1, &options))
|
|
conn->tcp_timer_scale |= BIT_1;
|
|
|
|
conn->tcp_timer_scale >>= 1;
|
|
conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->ip_options);
|
|
conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
|
|
|
|
conn->max_recv_dlength = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
|
|
conn->max_xmit_dlength = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
|
|
sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
|
|
sess->first_burst = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
|
|
sess->max_burst = BYTE_UNITS *
|
|
le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
|
|
sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
|
|
sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
|
|
sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
|
|
conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
|
|
conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
|
|
conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
|
|
conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
|
|
conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
|
|
conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
|
|
conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
|
|
conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
|
|
sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
|
|
COPY_ISID(sess->isid, fw_ddb_entry->isid);
|
|
|
|
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
if (ddb_link == DDB_ISNS)
|
|
disc_parent = ISCSI_DISC_PARENT_ISNS;
|
|
else if (ddb_link == DDB_NO_LINK)
|
|
disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
|
|
else if (ddb_link < MAX_DDB_ENTRIES)
|
|
disc_parent = ISCSI_DISC_PARENT_SENDTGT;
|
|
else
|
|
disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
|
|
|
|
iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
|
|
iscsi_get_discovery_parent_name(disc_parent), 0);
|
|
|
|
iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
|
|
(char *)fw_ddb_entry->iscsi_alias, 0);
|
|
}
|
|
|
|
static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
struct iscsi_cls_session *cls_sess,
|
|
struct iscsi_cls_conn *cls_conn)
|
|
{
|
|
int buflen = 0;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct ql4_chap_table chap_tbl;
|
|
struct iscsi_conn *conn;
|
|
char ip_addr[DDB_IPADDR_LEN];
|
|
uint16_t options = 0;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
conn = cls_conn->dd_data;
|
|
memset(&chap_tbl, 0, sizeof(chap_tbl));
|
|
|
|
ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
|
|
|
|
qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
|
|
|
|
sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
|
|
conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
|
|
|
|
memset(ip_addr, 0, sizeof(ip_addr));
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
if (options & DDB_OPT_IPV6_DEVICE) {
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
|
|
|
|
memset(ip_addr, 0, sizeof(ip_addr));
|
|
sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
|
|
} else {
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
|
|
sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
|
|
}
|
|
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
|
|
(char *)ip_addr, buflen);
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
|
|
(char *)fw_ddb_entry->iscsi_name, buflen);
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
|
|
(char *)ha->name_string, buflen);
|
|
|
|
if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
|
|
if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
|
|
chap_tbl.secret,
|
|
ddb_entry->chap_tbl_idx)) {
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
|
|
(char *)chap_tbl.name,
|
|
strlen((char *)chap_tbl.name));
|
|
iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
|
|
(char *)chap_tbl.secret,
|
|
chap_tbl.secret_len);
|
|
}
|
|
}
|
|
}
|
|
|
|
void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_cls_conn *cls_conn;
|
|
uint32_t ddb_state;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
goto exit_session_conn_fwddb_param;
|
|
}
|
|
|
|
if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
|
|
fw_ddb_entry_dma, NULL, NULL, &ddb_state,
|
|
NULL, NULL, NULL) == QLA_ERROR) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
|
|
"get_ddb_entry for fw_ddb_index %d\n",
|
|
ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index));
|
|
goto exit_session_conn_fwddb_param;
|
|
}
|
|
|
|
cls_sess = ddb_entry->sess;
|
|
|
|
cls_conn = ddb_entry->conn;
|
|
|
|
/* Update params */
|
|
qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
|
|
|
|
exit_session_conn_fwddb_param:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
}
|
|
|
|
void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_cls_conn *cls_conn;
|
|
struct iscsi_session *sess;
|
|
struct iscsi_conn *conn;
|
|
uint32_t ddb_state;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
goto exit_session_conn_param;
|
|
}
|
|
|
|
if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
|
|
fw_ddb_entry_dma, NULL, NULL, &ddb_state,
|
|
NULL, NULL, NULL) == QLA_ERROR) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
|
|
"get_ddb_entry for fw_ddb_index %d\n",
|
|
ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index));
|
|
goto exit_session_conn_param;
|
|
}
|
|
|
|
cls_sess = ddb_entry->sess;
|
|
sess = cls_sess->dd_data;
|
|
|
|
cls_conn = ddb_entry->conn;
|
|
conn = cls_conn->dd_data;
|
|
|
|
/* Update timers after login */
|
|
ddb_entry->default_relogin_timeout =
|
|
(le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
|
|
(le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
|
|
le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
|
|
ddb_entry->default_time2wait =
|
|
le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
|
|
|
|
/* Update params */
|
|
ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
|
|
qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
|
|
|
|
memcpy(sess->initiatorname, ha->name_string,
|
|
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
|
|
|
|
exit_session_conn_param:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
}
|
|
|
|
/*
|
|
* Timer routines
|
|
*/
|
|
|
|
static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
|
|
unsigned long interval)
|
|
{
|
|
DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
|
|
__func__, ha->host->host_no));
|
|
init_timer(&ha->timer);
|
|
ha->timer.expires = jiffies + interval * HZ;
|
|
ha->timer.data = (unsigned long)ha;
|
|
ha->timer.function = (void (*)(unsigned long))func;
|
|
add_timer(&ha->timer);
|
|
ha->timer_active = 1;
|
|
}
|
|
|
|
static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
|
|
{
|
|
del_timer_sync(&ha->timer);
|
|
ha->timer_active = 0;
|
|
}
|
|
|
|
/***
|
|
* qla4xxx_mark_device_missing - blocks the session
|
|
* @cls_session: Pointer to the session to be blocked
|
|
* @ddb_entry: Pointer to device database entry
|
|
*
|
|
* This routine marks a device missing and close connection.
|
|
**/
|
|
void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
|
|
{
|
|
iscsi_block_session(cls_session);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_mark_all_devices_missing - mark all devices as missing.
|
|
* @ha: Pointer to host adapter structure.
|
|
*
|
|
* This routine marks a device missing and resets the relogin retry count.
|
|
**/
|
|
void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
|
|
{
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
|
|
}
|
|
|
|
static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry,
|
|
struct scsi_cmnd *cmd)
|
|
{
|
|
struct srb *srb;
|
|
|
|
srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
|
|
if (!srb)
|
|
return srb;
|
|
|
|
kref_init(&srb->srb_ref);
|
|
srb->ha = ha;
|
|
srb->ddb = ddb_entry;
|
|
srb->cmd = cmd;
|
|
srb->flags = 0;
|
|
CMD_SP(cmd) = (void *)srb;
|
|
|
|
return srb;
|
|
}
|
|
|
|
static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
|
|
{
|
|
struct scsi_cmnd *cmd = srb->cmd;
|
|
|
|
if (srb->flags & SRB_DMA_VALID) {
|
|
scsi_dma_unmap(cmd);
|
|
srb->flags &= ~SRB_DMA_VALID;
|
|
}
|
|
CMD_SP(cmd) = NULL;
|
|
}
|
|
|
|
void qla4xxx_srb_compl(struct kref *ref)
|
|
{
|
|
struct srb *srb = container_of(ref, struct srb, srb_ref);
|
|
struct scsi_cmnd *cmd = srb->cmd;
|
|
struct scsi_qla_host *ha = srb->ha;
|
|
|
|
qla4xxx_srb_free_dma(ha, srb);
|
|
|
|
mempool_free(srb, ha->srb_mempool);
|
|
|
|
cmd->scsi_done(cmd);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_queuecommand - scsi layer issues scsi command to driver.
|
|
* @host: scsi host
|
|
* @cmd: Pointer to Linux's SCSI command structure
|
|
*
|
|
* Remarks:
|
|
* This routine is invoked by Linux to send a SCSI command to the driver.
|
|
* The mid-level driver tries to ensure that queuecommand never gets
|
|
* invoked concurrently with itself or the interrupt handler (although
|
|
* the interrupt handler may call this routine as part of request-
|
|
* completion handling). Unfortunely, it sometimes calls the scheduler
|
|
* in interrupt context which is a big NO! NO!.
|
|
**/
|
|
static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(host);
|
|
struct ddb_entry *ddb_entry = cmd->device->hostdata;
|
|
struct iscsi_cls_session *sess = ddb_entry->sess;
|
|
struct srb *srb;
|
|
int rval;
|
|
|
|
if (test_bit(AF_EEH_BUSY, &ha->flags)) {
|
|
if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
|
|
cmd->result = DID_NO_CONNECT << 16;
|
|
else
|
|
cmd->result = DID_REQUEUE << 16;
|
|
goto qc_fail_command;
|
|
}
|
|
|
|
if (!sess) {
|
|
cmd->result = DID_IMM_RETRY << 16;
|
|
goto qc_fail_command;
|
|
}
|
|
|
|
rval = iscsi_session_chkready(sess);
|
|
if (rval) {
|
|
cmd->result = rval;
|
|
goto qc_fail_command;
|
|
}
|
|
|
|
if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
|
|
test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
|
|
test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
|
|
!test_bit(AF_ONLINE, &ha->flags) ||
|
|
!test_bit(AF_LINK_UP, &ha->flags) ||
|
|
test_bit(AF_LOOPBACK, &ha->flags) ||
|
|
test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
|
|
goto qc_host_busy;
|
|
|
|
srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
|
|
if (!srb)
|
|
goto qc_host_busy;
|
|
|
|
rval = qla4xxx_send_command_to_isp(ha, srb);
|
|
if (rval != QLA_SUCCESS)
|
|
goto qc_host_busy_free_sp;
|
|
|
|
return 0;
|
|
|
|
qc_host_busy_free_sp:
|
|
qla4xxx_srb_free_dma(ha, srb);
|
|
mempool_free(srb, ha->srb_mempool);
|
|
|
|
qc_host_busy:
|
|
return SCSI_MLQUEUE_HOST_BUSY;
|
|
|
|
qc_fail_command:
|
|
cmd->scsi_done(cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_mem_free - frees memory allocated to adapter
|
|
* @ha: Pointer to host adapter structure.
|
|
*
|
|
* Frees memory previously allocated by qla4xxx_mem_alloc
|
|
**/
|
|
static void qla4xxx_mem_free(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->queues)
|
|
dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
|
|
ha->queues_dma);
|
|
|
|
if (ha->fw_dump)
|
|
vfree(ha->fw_dump);
|
|
|
|
ha->queues_len = 0;
|
|
ha->queues = NULL;
|
|
ha->queues_dma = 0;
|
|
ha->request_ring = NULL;
|
|
ha->request_dma = 0;
|
|
ha->response_ring = NULL;
|
|
ha->response_dma = 0;
|
|
ha->shadow_regs = NULL;
|
|
ha->shadow_regs_dma = 0;
|
|
ha->fw_dump = NULL;
|
|
ha->fw_dump_size = 0;
|
|
|
|
/* Free srb pool. */
|
|
if (ha->srb_mempool)
|
|
mempool_destroy(ha->srb_mempool);
|
|
|
|
ha->srb_mempool = NULL;
|
|
|
|
if (ha->chap_dma_pool)
|
|
dma_pool_destroy(ha->chap_dma_pool);
|
|
|
|
if (ha->chap_list)
|
|
vfree(ha->chap_list);
|
|
ha->chap_list = NULL;
|
|
|
|
if (ha->fw_ddb_dma_pool)
|
|
dma_pool_destroy(ha->fw_ddb_dma_pool);
|
|
|
|
/* release io space registers */
|
|
if (is_qla8022(ha)) {
|
|
if (ha->nx_pcibase)
|
|
iounmap(
|
|
(struct device_reg_82xx __iomem *)ha->nx_pcibase);
|
|
} else if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
if (ha->nx_pcibase)
|
|
iounmap(
|
|
(struct device_reg_83xx __iomem *)ha->nx_pcibase);
|
|
} else if (ha->reg) {
|
|
iounmap(ha->reg);
|
|
}
|
|
|
|
if (ha->reset_tmplt.buff)
|
|
vfree(ha->reset_tmplt.buff);
|
|
|
|
pci_release_regions(ha->pdev);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_mem_alloc - allocates memory for use by adapter.
|
|
* @ha: Pointer to host adapter structure
|
|
*
|
|
* Allocates DMA memory for request and response queues. Also allocates memory
|
|
* for srbs.
|
|
**/
|
|
static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
|
|
{
|
|
unsigned long align;
|
|
|
|
/* Allocate contiguous block of DMA memory for queues. */
|
|
ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
|
|
(RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
|
|
sizeof(struct shadow_regs) +
|
|
MEM_ALIGN_VALUE +
|
|
(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
|
|
ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
|
|
&ha->queues_dma, GFP_KERNEL);
|
|
if (ha->queues == NULL) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - queues.\n");
|
|
|
|
goto mem_alloc_error_exit;
|
|
}
|
|
memset(ha->queues, 0, ha->queues_len);
|
|
|
|
/*
|
|
* As per RISC alignment requirements -- the bus-address must be a
|
|
* multiple of the request-ring size (in bytes).
|
|
*/
|
|
align = 0;
|
|
if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
|
|
align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
|
|
(MEM_ALIGN_VALUE - 1));
|
|
|
|
/* Update request and response queue pointers. */
|
|
ha->request_dma = ha->queues_dma + align;
|
|
ha->request_ring = (struct queue_entry *) (ha->queues + align);
|
|
ha->response_dma = ha->queues_dma + align +
|
|
(REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
|
|
ha->response_ring = (struct queue_entry *) (ha->queues + align +
|
|
(REQUEST_QUEUE_DEPTH *
|
|
QUEUE_SIZE));
|
|
ha->shadow_regs_dma = ha->queues_dma + align +
|
|
(REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
|
|
(RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
|
|
ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
|
|
(REQUEST_QUEUE_DEPTH *
|
|
QUEUE_SIZE) +
|
|
(RESPONSE_QUEUE_DEPTH *
|
|
QUEUE_SIZE));
|
|
|
|
/* Allocate memory for srb pool. */
|
|
ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
|
|
mempool_free_slab, srb_cachep);
|
|
if (ha->srb_mempool == NULL) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - SRB Pool.\n");
|
|
|
|
goto mem_alloc_error_exit;
|
|
}
|
|
|
|
ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
|
|
CHAP_DMA_BLOCK_SIZE, 8, 0);
|
|
|
|
if (ha->chap_dma_pool == NULL) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s: chap_dma_pool allocation failed..\n", __func__);
|
|
goto mem_alloc_error_exit;
|
|
}
|
|
|
|
ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
|
|
DDB_DMA_BLOCK_SIZE, 8, 0);
|
|
|
|
if (ha->fw_ddb_dma_pool == NULL) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s: fw_ddb_dma_pool allocation failed..\n",
|
|
__func__);
|
|
goto mem_alloc_error_exit;
|
|
}
|
|
|
|
return QLA_SUCCESS;
|
|
|
|
mem_alloc_error_exit:
|
|
qla4xxx_mem_free(ha);
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
/**
|
|
* qla4_8xxx_check_temp - Check the ISP82XX temperature.
|
|
* @ha: adapter block pointer.
|
|
*
|
|
* Note: The caller should not hold the idc lock.
|
|
**/
|
|
static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t temp, temp_state, temp_val;
|
|
int status = QLA_SUCCESS;
|
|
|
|
temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
|
|
|
|
temp_state = qla82xx_get_temp_state(temp);
|
|
temp_val = qla82xx_get_temp_val(temp);
|
|
|
|
if (temp_state == QLA82XX_TEMP_PANIC) {
|
|
ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
|
|
" exceeds maximum allowed. Hardware has been shut"
|
|
" down.\n", temp_val);
|
|
status = QLA_ERROR;
|
|
} else if (temp_state == QLA82XX_TEMP_WARN) {
|
|
if (ha->temperature == QLA82XX_TEMP_NORMAL)
|
|
ql4_printk(KERN_WARNING, ha, "Device temperature %d"
|
|
" degrees C exceeds operating range."
|
|
" Immediate action needed.\n", temp_val);
|
|
} else {
|
|
if (ha->temperature == QLA82XX_TEMP_WARN)
|
|
ql4_printk(KERN_INFO, ha, "Device temperature is"
|
|
" now %d degrees C in normal range.\n",
|
|
temp_val);
|
|
}
|
|
ha->temperature = temp_state;
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* qla4_8xxx_check_fw_alive - Check firmware health
|
|
* @ha: Pointer to host adapter structure.
|
|
*
|
|
* Context: Interrupt
|
|
**/
|
|
static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t fw_heartbeat_counter;
|
|
int status = QLA_SUCCESS;
|
|
|
|
fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
|
|
QLA8XXX_PEG_ALIVE_COUNTER);
|
|
/* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
|
|
if (fw_heartbeat_counter == 0xffffffff) {
|
|
DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
|
|
"state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
|
|
ha->host_no, __func__));
|
|
return status;
|
|
}
|
|
|
|
if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
|
|
ha->seconds_since_last_heartbeat++;
|
|
/* FW not alive after 2 seconds */
|
|
if (ha->seconds_since_last_heartbeat == 2) {
|
|
ha->seconds_since_last_heartbeat = 0;
|
|
qla4_8xxx_dump_peg_reg(ha);
|
|
status = QLA_ERROR;
|
|
}
|
|
} else
|
|
ha->seconds_since_last_heartbeat = 0;
|
|
|
|
ha->fw_heartbeat_counter = fw_heartbeat_counter;
|
|
return status;
|
|
}
|
|
|
|
static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t halt_status;
|
|
int halt_status_unrecoverable = 0;
|
|
|
|
halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
|
|
|
|
if (is_qla8022(ha)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
|
|
__func__);
|
|
qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
|
|
CRB_NIU_XG_PAUSE_CTL_P0 |
|
|
CRB_NIU_XG_PAUSE_CTL_P1);
|
|
|
|
if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
|
|
ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
|
|
__func__);
|
|
if (halt_status & HALT_STATUS_UNRECOVERABLE)
|
|
halt_status_unrecoverable = 1;
|
|
} else if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
|
|
ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
|
|
__func__);
|
|
else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
|
|
halt_status_unrecoverable = 1;
|
|
}
|
|
|
|
/*
|
|
* Since we cannot change dev_state in interrupt context,
|
|
* set appropriate DPC flag then wakeup DPC
|
|
*/
|
|
if (halt_status_unrecoverable) {
|
|
set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
|
|
} else {
|
|
ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
|
|
__func__);
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
}
|
|
qla4xxx_mailbox_premature_completion(ha);
|
|
qla4xxx_wake_dpc(ha);
|
|
}
|
|
|
|
/**
|
|
* qla4_8xxx_watchdog - Poll dev state
|
|
* @ha: Pointer to host adapter structure.
|
|
*
|
|
* Context: Interrupt
|
|
**/
|
|
void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t dev_state;
|
|
uint32_t idc_ctrl;
|
|
|
|
/* don't poll if reset is going on */
|
|
if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
|
|
test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
|
|
dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
|
|
|
|
if (qla4_8xxx_check_temp(ha)) {
|
|
if (is_qla8022(ha)) {
|
|
ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
|
|
qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
|
|
CRB_NIU_XG_PAUSE_CTL_P0 |
|
|
CRB_NIU_XG_PAUSE_CTL_P1);
|
|
}
|
|
set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
|
|
qla4xxx_wake_dpc(ha);
|
|
} else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
|
|
!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
|
|
__func__);
|
|
|
|
if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
idc_ctrl = qla4_83xx_rd_reg(ha,
|
|
QLA83XX_IDC_DRV_CTRL);
|
|
if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
|
|
__func__);
|
|
qla4xxx_mailbox_premature_completion(
|
|
ha);
|
|
}
|
|
}
|
|
|
|
if ((is_qla8032(ha) || is_qla8042(ha)) ||
|
|
(is_qla8022(ha) && !ql4xdontresethba)) {
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
qla4xxx_wake_dpc(ha);
|
|
}
|
|
} else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
|
|
!test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
|
|
__func__);
|
|
set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
|
|
qla4xxx_wake_dpc(ha);
|
|
} else {
|
|
/* Check firmware health */
|
|
if (qla4_8xxx_check_fw_alive(ha))
|
|
qla4_8xxx_process_fw_error(ha);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
if (!(ddb_entry->ddb_type == FLASH_DDB))
|
|
return;
|
|
|
|
if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
|
|
!iscsi_is_session_online(cls_sess)) {
|
|
if (atomic_read(&ddb_entry->retry_relogin_timer) !=
|
|
INVALID_ENTRY) {
|
|
if (atomic_read(&ddb_entry->retry_relogin_timer) ==
|
|
0) {
|
|
atomic_set(&ddb_entry->retry_relogin_timer,
|
|
INVALID_ENTRY);
|
|
set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
|
|
set_bit(DF_RELOGIN, &ddb_entry->flags);
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"%s: index [%d] login device\n",
|
|
__func__, ddb_entry->fw_ddb_index));
|
|
} else
|
|
atomic_dec(&ddb_entry->retry_relogin_timer);
|
|
}
|
|
}
|
|
|
|
/* Wait for relogin to timeout */
|
|
if (atomic_read(&ddb_entry->relogin_timer) &&
|
|
(atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
|
|
/*
|
|
* If the relogin times out and the device is
|
|
* still NOT ONLINE then try and relogin again.
|
|
*/
|
|
if (!iscsi_is_session_online(cls_sess)) {
|
|
/* Reset retry relogin timer */
|
|
atomic_inc(&ddb_entry->relogin_retry_count);
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"%s: index[%d] relogin timed out-retrying"
|
|
" relogin (%d), retry (%d)\n", __func__,
|
|
ddb_entry->fw_ddb_index,
|
|
atomic_read(&ddb_entry->relogin_retry_count),
|
|
ddb_entry->default_time2wait + 4));
|
|
set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
|
|
atomic_set(&ddb_entry->retry_relogin_timer,
|
|
ddb_entry->default_time2wait + 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_timer - checks every second for work to do.
|
|
* @ha: Pointer to host adapter structure.
|
|
**/
|
|
static void qla4xxx_timer(struct scsi_qla_host *ha)
|
|
{
|
|
int start_dpc = 0;
|
|
uint16_t w;
|
|
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
|
|
|
|
/* If we are in the middle of AER/EEH processing
|
|
* skip any processing and reschedule the timer
|
|
*/
|
|
if (test_bit(AF_EEH_BUSY, &ha->flags)) {
|
|
mod_timer(&ha->timer, jiffies + HZ);
|
|
return;
|
|
}
|
|
|
|
/* Hardware read to trigger an EEH error during mailbox waits. */
|
|
if (!pci_channel_offline(ha->pdev))
|
|
pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
|
|
|
|
if (is_qla80XX(ha))
|
|
qla4_8xxx_watchdog(ha);
|
|
|
|
if (is_qla40XX(ha)) {
|
|
/* Check for heartbeat interval. */
|
|
if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
|
|
ha->heartbeat_interval != 0) {
|
|
ha->seconds_since_last_heartbeat++;
|
|
if (ha->seconds_since_last_heartbeat >
|
|
ha->heartbeat_interval + 2)
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
}
|
|
}
|
|
|
|
/* Process any deferred work. */
|
|
if (!list_empty(&ha->work_list))
|
|
start_dpc++;
|
|
|
|
/* Wakeup the dpc routine for this adapter, if needed. */
|
|
if (start_dpc ||
|
|
test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
|
|
test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
|
|
test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
|
|
test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
|
|
test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
|
|
test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
|
|
test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
|
|
test_bit(DPC_AEN, &ha->dpc_flags)) {
|
|
DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
|
|
" - dpc flags = 0x%lx\n",
|
|
ha->host_no, __func__, ha->dpc_flags));
|
|
qla4xxx_wake_dpc(ha);
|
|
}
|
|
|
|
/* Reschedule timer thread to call us back in one second */
|
|
mod_timer(&ha->timer, jiffies + HZ);
|
|
|
|
DEBUG2(ha->seconds_since_last_intr++);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_cmd_wait - waits for all outstanding commands to complete
|
|
* @ha: Pointer to host adapter structure.
|
|
*
|
|
* This routine stalls the driver until all outstanding commands are returned.
|
|
* Caller must release the Hardware Lock prior to calling this routine.
|
|
**/
|
|
static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t index = 0;
|
|
unsigned long flags;
|
|
struct scsi_cmnd *cmd;
|
|
|
|
unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
|
|
"complete\n", WAIT_CMD_TOV));
|
|
|
|
while (!time_after_eq(jiffies, wtime)) {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
/* Find a command that hasn't completed. */
|
|
for (index = 0; index < ha->host->can_queue; index++) {
|
|
cmd = scsi_host_find_tag(ha->host, index);
|
|
/*
|
|
* We cannot just check if the index is valid,
|
|
* becase if we are run from the scsi eh, then
|
|
* the scsi/block layer is going to prevent
|
|
* the tag from being released.
|
|
*/
|
|
if (cmd != NULL && CMD_SP(cmd))
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
/* If No Commands are pending, wait is complete */
|
|
if (index == ha->host->can_queue)
|
|
return QLA_SUCCESS;
|
|
|
|
msleep(1000);
|
|
}
|
|
/* If we timed out on waiting for commands to come back
|
|
* return ERROR. */
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
int qla4xxx_hw_reset(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t ctrl_status;
|
|
unsigned long flags = 0;
|
|
|
|
DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
|
|
|
|
if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
|
|
return QLA_ERROR;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
|
|
/*
|
|
* If the SCSI Reset Interrupt bit is set, clear it.
|
|
* Otherwise, the Soft Reset won't work.
|
|
*/
|
|
ctrl_status = readw(&ha->reg->ctrl_status);
|
|
if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
|
|
writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
|
|
|
|
/* Issue Soft Reset */
|
|
writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
|
|
readl(&ha->reg->ctrl_status);
|
|
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_soft_reset - performs soft reset.
|
|
* @ha: Pointer to host adapter structure.
|
|
**/
|
|
int qla4xxx_soft_reset(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t max_wait_time;
|
|
unsigned long flags = 0;
|
|
int status;
|
|
uint32_t ctrl_status;
|
|
|
|
status = qla4xxx_hw_reset(ha);
|
|
if (status != QLA_SUCCESS)
|
|
return status;
|
|
|
|
status = QLA_ERROR;
|
|
/* Wait until the Network Reset Intr bit is cleared */
|
|
max_wait_time = RESET_INTR_TOV;
|
|
do {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
ctrl_status = readw(&ha->reg->ctrl_status);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
|
|
break;
|
|
|
|
msleep(1000);
|
|
} while ((--max_wait_time));
|
|
|
|
if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi%ld: Network Reset Intr not cleared by "
|
|
"Network function, clearing it now!\n",
|
|
ha->host_no));
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
|
|
readl(&ha->reg->ctrl_status);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
|
|
/* Wait until the firmware tells us the Soft Reset is done */
|
|
max_wait_time = SOFT_RESET_TOV;
|
|
do {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
ctrl_status = readw(&ha->reg->ctrl_status);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
if ((ctrl_status & CSR_SOFT_RESET) == 0) {
|
|
status = QLA_SUCCESS;
|
|
break;
|
|
}
|
|
|
|
msleep(1000);
|
|
} while ((--max_wait_time));
|
|
|
|
/*
|
|
* Also, make sure that the SCSI Reset Interrupt bit has been cleared
|
|
* after the soft reset has taken place.
|
|
*/
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
ctrl_status = readw(&ha->reg->ctrl_status);
|
|
if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
|
|
writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
|
|
readl(&ha->reg->ctrl_status);
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
/* If soft reset fails then most probably the bios on other
|
|
* function is also enabled.
|
|
* Since the initialization is sequential the other fn
|
|
* wont be able to acknowledge the soft reset.
|
|
* Issue a force soft reset to workaround this scenario.
|
|
*/
|
|
if (max_wait_time == 0) {
|
|
/* Issue Force Soft Reset */
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
|
|
readl(&ha->reg->ctrl_status);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
/* Wait until the firmware tells us the Soft Reset is done */
|
|
max_wait_time = SOFT_RESET_TOV;
|
|
do {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
ctrl_status = readw(&ha->reg->ctrl_status);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
|
|
status = QLA_SUCCESS;
|
|
break;
|
|
}
|
|
|
|
msleep(1000);
|
|
} while ((--max_wait_time));
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
|
|
* @ha: Pointer to host adapter structure.
|
|
* @res: returned scsi status
|
|
*
|
|
* This routine is called just prior to a HARD RESET to return all
|
|
* outstanding commands back to the Operating System.
|
|
* Caller should make sure that the following locks are released
|
|
* before this calling routine: Hardware lock, and io_request_lock.
|
|
**/
|
|
static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
|
|
{
|
|
struct srb *srb;
|
|
int i;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
for (i = 0; i < ha->host->can_queue; i++) {
|
|
srb = qla4xxx_del_from_active_array(ha, i);
|
|
if (srb != NULL) {
|
|
srb->cmd->result = res;
|
|
kref_put(&srb->srb_ref, qla4xxx_srb_compl);
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
|
|
void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
|
|
{
|
|
clear_bit(AF_ONLINE, &ha->flags);
|
|
|
|
/* Disable the board */
|
|
ql4_printk(KERN_INFO, ha, "Disabling the board\n");
|
|
|
|
qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
|
|
qla4xxx_mark_all_devices_missing(ha);
|
|
clear_bit(AF_INIT_DONE, &ha->flags);
|
|
}
|
|
|
|
static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
|
|
sess = cls_session->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
|
|
|
|
if (ddb_entry->ddb_type == FLASH_DDB)
|
|
iscsi_block_session(ddb_entry->sess);
|
|
else
|
|
iscsi_session_failure(cls_session->dd_data,
|
|
ISCSI_ERR_CONN_FAILED);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_recover_adapter - recovers adapter after a fatal error
|
|
* @ha: Pointer to host adapter structure.
|
|
**/
|
|
static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
|
|
{
|
|
int status = QLA_ERROR;
|
|
uint8_t reset_chip = 0;
|
|
uint32_t dev_state;
|
|
unsigned long wait;
|
|
|
|
/* Stall incoming I/O until we are done */
|
|
scsi_block_requests(ha->host);
|
|
clear_bit(AF_ONLINE, &ha->flags);
|
|
clear_bit(AF_LINK_UP, &ha->flags);
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
|
|
|
|
set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
|
|
|
|
if ((is_qla8032(ha) || is_qla8042(ha)) &&
|
|
!test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
|
|
__func__);
|
|
/* disable pause frame for ISP83xx */
|
|
qla4_83xx_disable_pause(ha);
|
|
}
|
|
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
|
|
|
|
if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
|
|
reset_chip = 1;
|
|
|
|
/* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
|
|
* do not reset adapter, jump to initialize_adapter */
|
|
if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
|
|
status = QLA_SUCCESS;
|
|
goto recover_ha_init_adapter;
|
|
}
|
|
|
|
/* For the ISP-8xxx adapter, issue a stop_firmware if invoked
|
|
* from eh_host_reset or ioctl module */
|
|
if (is_qla80XX(ha) && !reset_chip &&
|
|
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld: %s - Performing stop_firmware...\n",
|
|
ha->host_no, __func__));
|
|
status = ha->isp_ops->reset_firmware(ha);
|
|
if (status == QLA_SUCCESS) {
|
|
if (!test_bit(AF_FW_RECOVERY, &ha->flags))
|
|
qla4xxx_cmd_wait(ha);
|
|
|
|
ha->isp_ops->disable_intrs(ha);
|
|
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
|
|
qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
|
|
} else {
|
|
/* If the stop_firmware fails then
|
|
* reset the entire chip */
|
|
reset_chip = 1;
|
|
clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
}
|
|
}
|
|
|
|
/* Issue full chip reset if recovering from a catastrophic error,
|
|
* or if stop_firmware fails for ISP-8xxx.
|
|
* This is the default case for ISP-4xxx */
|
|
if (is_qla40XX(ha) || reset_chip) {
|
|
if (is_qla40XX(ha))
|
|
goto chip_reset;
|
|
|
|
/* Check if 8XXX firmware is alive or not
|
|
* We may have arrived here from NEED_RESET
|
|
* detection only */
|
|
if (test_bit(AF_FW_RECOVERY, &ha->flags))
|
|
goto chip_reset;
|
|
|
|
wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
|
|
while (time_before(jiffies, wait)) {
|
|
if (qla4_8xxx_check_fw_alive(ha)) {
|
|
qla4xxx_mailbox_premature_completion(ha);
|
|
break;
|
|
}
|
|
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
|
schedule_timeout(HZ);
|
|
}
|
|
chip_reset:
|
|
if (!test_bit(AF_FW_RECOVERY, &ha->flags))
|
|
qla4xxx_cmd_wait(ha);
|
|
|
|
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
|
|
qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld: %s - Performing chip reset..\n",
|
|
ha->host_no, __func__));
|
|
status = ha->isp_ops->reset_chip(ha);
|
|
}
|
|
|
|
/* Flush any pending ddb changed AENs */
|
|
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
|
|
|
|
recover_ha_init_adapter:
|
|
/* Upon successful firmware/chip reset, re-initialize the adapter */
|
|
if (status == QLA_SUCCESS) {
|
|
/* For ISP-4xxx, force function 1 to always initialize
|
|
* before function 3 to prevent both funcions from
|
|
* stepping on top of the other */
|
|
if (is_qla40XX(ha) && (ha->mac_index == 3))
|
|
ssleep(6);
|
|
|
|
/* NOTE: AF_ONLINE flag set upon successful completion of
|
|
* qla4xxx_initialize_adapter */
|
|
status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
|
|
}
|
|
|
|
/* Retry failed adapter initialization, if necessary
|
|
* Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
|
|
* case to prevent ping-pong resets between functions */
|
|
if (!test_bit(AF_ONLINE, &ha->flags) &&
|
|
!test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
|
|
/* Adapter initialization failed, see if we can retry
|
|
* resetting the ha.
|
|
* Since we don't want to block the DPC for too long
|
|
* with multiple resets in the same thread,
|
|
* utilize DPC to retry */
|
|
if (is_qla80XX(ha)) {
|
|
ha->isp_ops->idc_lock(ha);
|
|
dev_state = qla4_8xxx_rd_direct(ha,
|
|
QLA8XXX_CRB_DEV_STATE);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
if (dev_state == QLA8XXX_DEV_FAILED) {
|
|
ql4_printk(KERN_INFO, ha, "%s: don't retry "
|
|
"recover adapter. H/W is in Failed "
|
|
"state\n", __func__);
|
|
qla4xxx_dead_adapter_cleanup(ha);
|
|
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA_FW_CONTEXT,
|
|
&ha->dpc_flags);
|
|
status = QLA_ERROR;
|
|
|
|
goto exit_recover;
|
|
}
|
|
}
|
|
|
|
if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
|
|
ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
|
|
DEBUG2(printk("scsi%ld: recover adapter - retrying "
|
|
"(%d) more times\n", ha->host_no,
|
|
ha->retry_reset_ha_cnt));
|
|
set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
|
|
status = QLA_ERROR;
|
|
} else {
|
|
if (ha->retry_reset_ha_cnt > 0) {
|
|
/* Schedule another Reset HA--DPC will retry */
|
|
ha->retry_reset_ha_cnt--;
|
|
DEBUG2(printk("scsi%ld: recover adapter - "
|
|
"retry remaining %d\n",
|
|
ha->host_no,
|
|
ha->retry_reset_ha_cnt));
|
|
status = QLA_ERROR;
|
|
}
|
|
|
|
if (ha->retry_reset_ha_cnt == 0) {
|
|
/* Recover adapter retries have been exhausted.
|
|
* Adapter DEAD */
|
|
DEBUG2(printk("scsi%ld: recover adapter "
|
|
"failed - board disabled\n",
|
|
ha->host_no));
|
|
qla4xxx_dead_adapter_cleanup(ha);
|
|
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA_FW_CONTEXT,
|
|
&ha->dpc_flags);
|
|
status = QLA_ERROR;
|
|
}
|
|
}
|
|
} else {
|
|
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
|
|
clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
|
|
}
|
|
|
|
exit_recover:
|
|
ha->adapter_error_count++;
|
|
|
|
if (test_bit(AF_ONLINE, &ha->flags))
|
|
ha->isp_ops->enable_intrs(ha);
|
|
|
|
scsi_unblock_requests(ha->host);
|
|
|
|
clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
|
|
DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
|
|
status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
|
|
|
|
return status;
|
|
}
|
|
|
|
static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
|
|
sess = cls_session->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
if (!iscsi_is_session_online(cls_session)) {
|
|
if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
|
|
" unblock session\n", ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index);
|
|
iscsi_unblock_session(ddb_entry->sess);
|
|
} else {
|
|
/* Trigger relogin */
|
|
if (ddb_entry->ddb_type == FLASH_DDB) {
|
|
if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
|
|
test_bit(DF_DISABLE_RELOGIN,
|
|
&ddb_entry->flags)))
|
|
qla4xxx_arm_relogin_timer(ddb_entry);
|
|
} else
|
|
iscsi_session_failure(cls_session->dd_data,
|
|
ISCSI_ERR_CONN_FAILED);
|
|
}
|
|
}
|
|
}
|
|
|
|
int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
|
|
sess = cls_session->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
|
|
" unblock session\n", ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index);
|
|
|
|
iscsi_unblock_session(ddb_entry->sess);
|
|
|
|
/* Start scan target */
|
|
if (test_bit(AF_ONLINE, &ha->flags)) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
|
|
" start scan\n", ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index);
|
|
scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
|
|
}
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
int status = QLA_SUCCESS;
|
|
|
|
sess = cls_session->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
|
|
" unblock user space session\n", ha->host_no, __func__,
|
|
ddb_entry->fw_ddb_index);
|
|
|
|
if (!iscsi_is_session_online(cls_session)) {
|
|
iscsi_conn_start(ddb_entry->conn);
|
|
iscsi_conn_login_event(ddb_entry->conn,
|
|
ISCSI_CONN_STATE_LOGGED_IN);
|
|
} else {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
|
|
ha->host_no, __func__, ddb_entry->fw_ddb_index,
|
|
cls_session->sid);
|
|
status = QLA_ERROR;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
|
|
{
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
|
|
}
|
|
|
|
static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
|
|
{
|
|
uint16_t relogin_timer;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
relogin_timer = max(ddb_entry->default_relogin_timeout,
|
|
(uint16_t)RELOGIN_TOV);
|
|
atomic_set(&ddb_entry->relogin_timer, relogin_timer);
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
|
|
ddb_entry->fw_ddb_index, relogin_timer));
|
|
|
|
qla4xxx_login_flash_ddb(cls_sess);
|
|
}
|
|
|
|
static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry;
|
|
struct scsi_qla_host *ha;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
if (!(ddb_entry->ddb_type == FLASH_DDB))
|
|
return;
|
|
|
|
if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
|
|
return;
|
|
|
|
if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
|
|
!iscsi_is_session_online(cls_sess)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"relogin issued\n"));
|
|
qla4xxx_relogin_flash_ddb(cls_sess);
|
|
}
|
|
}
|
|
|
|
void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
|
|
{
|
|
if (ha->dpc_thread)
|
|
queue_work(ha->dpc_thread, &ha->dpc_work);
|
|
}
|
|
|
|
static struct qla4_work_evt *
|
|
qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
|
|
enum qla4_work_type type)
|
|
{
|
|
struct qla4_work_evt *e;
|
|
uint32_t size = sizeof(struct qla4_work_evt) + data_size;
|
|
|
|
e = kzalloc(size, GFP_ATOMIC);
|
|
if (!e)
|
|
return NULL;
|
|
|
|
INIT_LIST_HEAD(&e->list);
|
|
e->type = type;
|
|
return e;
|
|
}
|
|
|
|
static void qla4xxx_post_work(struct scsi_qla_host *ha,
|
|
struct qla4_work_evt *e)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ha->work_lock, flags);
|
|
list_add_tail(&e->list, &ha->work_list);
|
|
spin_unlock_irqrestore(&ha->work_lock, flags);
|
|
qla4xxx_wake_dpc(ha);
|
|
}
|
|
|
|
int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
|
|
enum iscsi_host_event_code aen_code,
|
|
uint32_t data_size, uint8_t *data)
|
|
{
|
|
struct qla4_work_evt *e;
|
|
|
|
e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
|
|
if (!e)
|
|
return QLA_ERROR;
|
|
|
|
e->u.aen.code = aen_code;
|
|
e->u.aen.data_size = data_size;
|
|
memcpy(e->u.aen.data, data, data_size);
|
|
|
|
qla4xxx_post_work(ha, e);
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
|
|
uint32_t status, uint32_t pid,
|
|
uint32_t data_size, uint8_t *data)
|
|
{
|
|
struct qla4_work_evt *e;
|
|
|
|
e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
|
|
if (!e)
|
|
return QLA_ERROR;
|
|
|
|
e->u.ping.status = status;
|
|
e->u.ping.pid = pid;
|
|
e->u.ping.data_size = data_size;
|
|
memcpy(e->u.ping.data, data, data_size);
|
|
|
|
qla4xxx_post_work(ha, e);
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
static void qla4xxx_do_work(struct scsi_qla_host *ha)
|
|
{
|
|
struct qla4_work_evt *e, *tmp;
|
|
unsigned long flags;
|
|
LIST_HEAD(work);
|
|
|
|
spin_lock_irqsave(&ha->work_lock, flags);
|
|
list_splice_init(&ha->work_list, &work);
|
|
spin_unlock_irqrestore(&ha->work_lock, flags);
|
|
|
|
list_for_each_entry_safe(e, tmp, &work, list) {
|
|
list_del_init(&e->list);
|
|
|
|
switch (e->type) {
|
|
case QLA4_EVENT_AEN:
|
|
iscsi_post_host_event(ha->host_no,
|
|
&qla4xxx_iscsi_transport,
|
|
e->u.aen.code,
|
|
e->u.aen.data_size,
|
|
e->u.aen.data);
|
|
break;
|
|
case QLA4_EVENT_PING_STATUS:
|
|
iscsi_ping_comp_event(ha->host_no,
|
|
&qla4xxx_iscsi_transport,
|
|
e->u.ping.status,
|
|
e->u.ping.pid,
|
|
e->u.ping.data_size,
|
|
e->u.ping.data);
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
|
|
"supported", e->type);
|
|
}
|
|
kfree(e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_do_dpc - dpc routine
|
|
* @data: in our case pointer to adapter structure
|
|
*
|
|
* This routine is a task that is schedule by the interrupt handler
|
|
* to perform the background processing for interrupts. We put it
|
|
* on a task queue that is consumed whenever the scheduler runs; that's
|
|
* so you can do anything (i.e. put the process to sleep etc). In fact,
|
|
* the mid-level tries to sleep when it reaches the driver threshold
|
|
* "host->can_queue". This can cause a panic if we were in our interrupt code.
|
|
**/
|
|
static void qla4xxx_do_dpc(struct work_struct *work)
|
|
{
|
|
struct scsi_qla_host *ha =
|
|
container_of(work, struct scsi_qla_host, dpc_work);
|
|
int status = QLA_ERROR;
|
|
|
|
DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
|
|
"flags = 0x%08lx, dpc_flags = 0x%08lx\n",
|
|
ha->host_no, __func__, ha->flags, ha->dpc_flags))
|
|
|
|
/* Initialization not yet finished. Don't do anything yet. */
|
|
if (!test_bit(AF_INIT_DONE, &ha->flags))
|
|
return;
|
|
|
|
if (test_bit(AF_EEH_BUSY, &ha->flags)) {
|
|
DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
|
|
ha->host_no, __func__, ha->flags));
|
|
return;
|
|
}
|
|
|
|
/* post events to application */
|
|
qla4xxx_do_work(ha);
|
|
|
|
if (is_qla80XX(ha)) {
|
|
if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
|
|
if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
|
|
__func__);
|
|
/* disable pause frame for ISP83xx */
|
|
qla4_83xx_disable_pause(ha);
|
|
}
|
|
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_FAILED);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
|
|
qla4_8xxx_device_state_handler(ha);
|
|
}
|
|
|
|
if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
|
|
if (is_qla8042(ha)) {
|
|
if (ha->idc_info.info2 &
|
|
ENABLE_INTERNAL_LOOPBACK) {
|
|
ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
|
|
__func__);
|
|
status = qla4_84xx_config_acb(ha,
|
|
ACB_CONFIG_DISABLE);
|
|
if (status != QLA_SUCCESS) {
|
|
ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
|
|
__func__);
|
|
}
|
|
}
|
|
}
|
|
qla4_83xx_post_idc_ack(ha);
|
|
clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
|
|
}
|
|
|
|
if (is_qla8042(ha) &&
|
|
test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
|
|
ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
|
|
__func__);
|
|
if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
|
|
QLA_SUCCESS) {
|
|
ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
|
|
__func__);
|
|
}
|
|
clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
|
|
}
|
|
|
|
if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
|
|
qla4_8xxx_need_qsnt_handler(ha);
|
|
}
|
|
}
|
|
|
|
if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
|
|
(test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
|
|
if ((is_qla8022(ha) && ql4xdontresethba) ||
|
|
((is_qla8032(ha) || is_qla8042(ha)) &&
|
|
qla4_83xx_idc_dontreset(ha))) {
|
|
DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
|
|
ha->host_no, __func__));
|
|
clear_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
|
|
clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
|
|
goto dpc_post_reset_ha;
|
|
}
|
|
if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
|
|
test_bit(DPC_RESET_HA, &ha->dpc_flags))
|
|
qla4xxx_recover_adapter(ha);
|
|
|
|
if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
|
|
uint8_t wait_time = RESET_INTR_TOV;
|
|
|
|
while ((readw(&ha->reg->ctrl_status) &
|
|
(CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
|
|
if (--wait_time == 0)
|
|
break;
|
|
msleep(1000);
|
|
}
|
|
if (wait_time == 0)
|
|
DEBUG2(printk("scsi%ld: %s: SR|FSR "
|
|
"bit not cleared-- resetting\n",
|
|
ha->host_no, __func__));
|
|
qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
|
|
if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
|
|
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
|
|
status = qla4xxx_recover_adapter(ha);
|
|
}
|
|
clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
|
|
if (status == QLA_SUCCESS)
|
|
ha->isp_ops->enable_intrs(ha);
|
|
}
|
|
}
|
|
|
|
dpc_post_reset_ha:
|
|
/* ---- process AEN? --- */
|
|
if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
|
|
qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
|
|
|
|
/* ---- Get DHCP IP Address? --- */
|
|
if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
|
|
qla4xxx_get_dhcp_ip_address(ha);
|
|
|
|
/* ---- relogin device? --- */
|
|
if (adapter_up(ha) &&
|
|
test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
|
|
}
|
|
|
|
/* ---- link change? --- */
|
|
if (!test_bit(AF_LOOPBACK, &ha->flags) &&
|
|
test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
|
|
if (!test_bit(AF_LINK_UP, &ha->flags)) {
|
|
/* ---- link down? --- */
|
|
qla4xxx_mark_all_devices_missing(ha);
|
|
} else {
|
|
/* ---- link up? --- *
|
|
* F/W will auto login to all devices ONLY ONCE after
|
|
* link up during driver initialization and runtime
|
|
* fatal error recovery. Therefore, the driver must
|
|
* manually relogin to devices when recovering from
|
|
* connection failures, logouts, expired KATO, etc. */
|
|
if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
|
|
qla4xxx_build_ddb_list(ha, ha->is_reset);
|
|
iscsi_host_for_each_session(ha->host,
|
|
qla4xxx_login_flash_ddb);
|
|
} else
|
|
qla4xxx_relogin_all_devices(ha);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_free_adapter - release the adapter
|
|
* @ha: pointer to adapter structure
|
|
**/
|
|
static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
|
|
{
|
|
qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
|
|
|
|
/* Turn-off interrupts on the card. */
|
|
ha->isp_ops->disable_intrs(ha);
|
|
|
|
if (is_qla40XX(ha)) {
|
|
writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
|
|
&ha->reg->ctrl_status);
|
|
readl(&ha->reg->ctrl_status);
|
|
} else if (is_qla8022(ha)) {
|
|
writel(0, &ha->qla4_82xx_reg->host_int);
|
|
readl(&ha->qla4_82xx_reg->host_int);
|
|
} else if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
writel(0, &ha->qla4_83xx_reg->risc_intr);
|
|
readl(&ha->qla4_83xx_reg->risc_intr);
|
|
}
|
|
|
|
/* Remove timer thread, if present */
|
|
if (ha->timer_active)
|
|
qla4xxx_stop_timer(ha);
|
|
|
|
/* Kill the kernel thread for this host */
|
|
if (ha->dpc_thread)
|
|
destroy_workqueue(ha->dpc_thread);
|
|
|
|
/* Kill the kernel thread for this host */
|
|
if (ha->task_wq)
|
|
destroy_workqueue(ha->task_wq);
|
|
|
|
/* Put firmware in known state */
|
|
ha->isp_ops->reset_firmware(ha);
|
|
|
|
if (is_qla80XX(ha)) {
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_clear_drv_active(ha);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
}
|
|
|
|
/* Detach interrupts */
|
|
qla4xxx_free_irqs(ha);
|
|
|
|
/* free extra memory */
|
|
qla4xxx_mem_free(ha);
|
|
}
|
|
|
|
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
|
|
{
|
|
int status = 0;
|
|
unsigned long mem_base, mem_len, db_base, db_len;
|
|
struct pci_dev *pdev = ha->pdev;
|
|
|
|
status = pci_request_regions(pdev, DRIVER_NAME);
|
|
if (status) {
|
|
printk(KERN_WARNING
|
|
"scsi(%ld) Failed to reserve PIO regions (%s) "
|
|
"status=%d\n", ha->host_no, pci_name(pdev), status);
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
|
|
__func__, pdev->revision));
|
|
ha->revision_id = pdev->revision;
|
|
|
|
/* remap phys address */
|
|
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
|
|
mem_len = pci_resource_len(pdev, 0);
|
|
DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
|
|
__func__, mem_base, mem_len));
|
|
|
|
/* mapping of pcibase pointer */
|
|
ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
|
|
if (!ha->nx_pcibase) {
|
|
printk(KERN_ERR
|
|
"cannot remap MMIO (%s), aborting\n", pci_name(pdev));
|
|
pci_release_regions(ha->pdev);
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
/* Mapping of IO base pointer, door bell read and write pointer */
|
|
|
|
/* mapping of IO base pointer */
|
|
if (is_qla8022(ha)) {
|
|
ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
|
|
((uint8_t *)ha->nx_pcibase + 0xbc000 +
|
|
(ha->pdev->devfn << 11));
|
|
ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
|
|
QLA82XX_CAM_RAM_DB2);
|
|
} else if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
|
|
((uint8_t *)ha->nx_pcibase);
|
|
}
|
|
|
|
db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
|
|
db_len = pci_resource_len(pdev, 4);
|
|
|
|
return 0;
|
|
iospace_error_exit:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/***
|
|
* qla4xxx_iospace_config - maps registers
|
|
* @ha: pointer to adapter structure
|
|
*
|
|
* This routines maps HBA's registers from the pci address space
|
|
* into the kernel virtual address space for memory mapped i/o.
|
|
**/
|
|
int qla4xxx_iospace_config(struct scsi_qla_host *ha)
|
|
{
|
|
unsigned long pio, pio_len, pio_flags;
|
|
unsigned long mmio, mmio_len, mmio_flags;
|
|
|
|
pio = pci_resource_start(ha->pdev, 0);
|
|
pio_len = pci_resource_len(ha->pdev, 0);
|
|
pio_flags = pci_resource_flags(ha->pdev, 0);
|
|
if (pio_flags & IORESOURCE_IO) {
|
|
if (pio_len < MIN_IOBASE_LEN) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"Invalid PCI I/O region size\n");
|
|
pio = 0;
|
|
}
|
|
} else {
|
|
ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
|
|
pio = 0;
|
|
}
|
|
|
|
/* Use MMIO operations for all accesses. */
|
|
mmio = pci_resource_start(ha->pdev, 1);
|
|
mmio_len = pci_resource_len(ha->pdev, 1);
|
|
mmio_flags = pci_resource_flags(ha->pdev, 1);
|
|
|
|
if (!(mmio_flags & IORESOURCE_MEM)) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"region #0 not an MMIO resource, aborting\n");
|
|
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
if (mmio_len < MIN_IOBASE_LEN) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"Invalid PCI mem region size, aborting\n");
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"Failed to reserve PIO/MMIO regions\n");
|
|
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
ha->pio_address = pio;
|
|
ha->pio_length = pio_len;
|
|
ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
|
|
if (!ha->reg) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"cannot remap MMIO, aborting\n");
|
|
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
return 0;
|
|
|
|
iospace_error_exit:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static struct isp_operations qla4xxx_isp_ops = {
|
|
.iospace_config = qla4xxx_iospace_config,
|
|
.pci_config = qla4xxx_pci_config,
|
|
.disable_intrs = qla4xxx_disable_intrs,
|
|
.enable_intrs = qla4xxx_enable_intrs,
|
|
.start_firmware = qla4xxx_start_firmware,
|
|
.intr_handler = qla4xxx_intr_handler,
|
|
.interrupt_service_routine = qla4xxx_interrupt_service_routine,
|
|
.reset_chip = qla4xxx_soft_reset,
|
|
.reset_firmware = qla4xxx_hw_reset,
|
|
.queue_iocb = qla4xxx_queue_iocb,
|
|
.complete_iocb = qla4xxx_complete_iocb,
|
|
.rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
|
|
.rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
|
|
.get_sys_info = qla4xxx_get_sys_info,
|
|
.queue_mailbox_command = qla4xxx_queue_mbox_cmd,
|
|
.process_mailbox_interrupt = qla4xxx_process_mbox_intr,
|
|
};
|
|
|
|
static struct isp_operations qla4_82xx_isp_ops = {
|
|
.iospace_config = qla4_8xxx_iospace_config,
|
|
.pci_config = qla4_8xxx_pci_config,
|
|
.disable_intrs = qla4_82xx_disable_intrs,
|
|
.enable_intrs = qla4_82xx_enable_intrs,
|
|
.start_firmware = qla4_8xxx_load_risc,
|
|
.restart_firmware = qla4_82xx_try_start_fw,
|
|
.intr_handler = qla4_82xx_intr_handler,
|
|
.interrupt_service_routine = qla4_82xx_interrupt_service_routine,
|
|
.need_reset = qla4_8xxx_need_reset,
|
|
.reset_chip = qla4_82xx_isp_reset,
|
|
.reset_firmware = qla4_8xxx_stop_firmware,
|
|
.queue_iocb = qla4_82xx_queue_iocb,
|
|
.complete_iocb = qla4_82xx_complete_iocb,
|
|
.rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
|
|
.rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
|
|
.get_sys_info = qla4_8xxx_get_sys_info,
|
|
.rd_reg_direct = qla4_82xx_rd_32,
|
|
.wr_reg_direct = qla4_82xx_wr_32,
|
|
.rd_reg_indirect = qla4_82xx_md_rd_32,
|
|
.wr_reg_indirect = qla4_82xx_md_wr_32,
|
|
.idc_lock = qla4_82xx_idc_lock,
|
|
.idc_unlock = qla4_82xx_idc_unlock,
|
|
.rom_lock_recovery = qla4_82xx_rom_lock_recovery,
|
|
.queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
|
|
.process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
|
|
};
|
|
|
|
static struct isp_operations qla4_83xx_isp_ops = {
|
|
.iospace_config = qla4_8xxx_iospace_config,
|
|
.pci_config = qla4_8xxx_pci_config,
|
|
.disable_intrs = qla4_83xx_disable_intrs,
|
|
.enable_intrs = qla4_83xx_enable_intrs,
|
|
.start_firmware = qla4_8xxx_load_risc,
|
|
.restart_firmware = qla4_83xx_start_firmware,
|
|
.intr_handler = qla4_83xx_intr_handler,
|
|
.interrupt_service_routine = qla4_83xx_interrupt_service_routine,
|
|
.need_reset = qla4_8xxx_need_reset,
|
|
.reset_chip = qla4_83xx_isp_reset,
|
|
.reset_firmware = qla4_8xxx_stop_firmware,
|
|
.queue_iocb = qla4_83xx_queue_iocb,
|
|
.complete_iocb = qla4_83xx_complete_iocb,
|
|
.rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
|
|
.rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
|
|
.get_sys_info = qla4_8xxx_get_sys_info,
|
|
.rd_reg_direct = qla4_83xx_rd_reg,
|
|
.wr_reg_direct = qla4_83xx_wr_reg,
|
|
.rd_reg_indirect = qla4_83xx_rd_reg_indirect,
|
|
.wr_reg_indirect = qla4_83xx_wr_reg_indirect,
|
|
.idc_lock = qla4_83xx_drv_lock,
|
|
.idc_unlock = qla4_83xx_drv_unlock,
|
|
.rom_lock_recovery = qla4_83xx_rom_lock_recovery,
|
|
.queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
|
|
.process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
|
|
};
|
|
|
|
uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
|
|
{
|
|
return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
|
|
}
|
|
|
|
uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
|
|
{
|
|
return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
|
|
}
|
|
|
|
uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
|
|
{
|
|
return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
|
|
}
|
|
|
|
uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
|
|
{
|
|
return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
|
|
}
|
|
|
|
static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = data;
|
|
char *str = buf;
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_ETH_FLAGS:
|
|
rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
|
|
break;
|
|
case ISCSI_BOOT_ETH_INDEX:
|
|
rc = sprintf(str, "0\n");
|
|
break;
|
|
case ISCSI_BOOT_ETH_MAC:
|
|
rc = sysfs_format_mac(str, ha->my_mac,
|
|
MAC_ADDR_LEN);
|
|
break;
|
|
default:
|
|
rc = -ENOSYS;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
|
|
{
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_ETH_FLAGS:
|
|
case ISCSI_BOOT_ETH_MAC:
|
|
case ISCSI_BOOT_ETH_INDEX:
|
|
rc = S_IRUGO;
|
|
break;
|
|
default:
|
|
rc = 0;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = data;
|
|
char *str = buf;
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_INI_INITIATOR_NAME:
|
|
rc = sprintf(str, "%s\n", ha->name_string);
|
|
break;
|
|
default:
|
|
rc = -ENOSYS;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
|
|
{
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_INI_INITIATOR_NAME:
|
|
rc = S_IRUGO;
|
|
break;
|
|
default:
|
|
rc = 0;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static ssize_t
|
|
qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
|
|
char *buf)
|
|
{
|
|
struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
|
|
char *str = buf;
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_TGT_NAME:
|
|
rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
|
|
break;
|
|
case ISCSI_BOOT_TGT_IP_ADDR:
|
|
if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
|
|
rc = sprintf(buf, "%pI4\n",
|
|
&boot_conn->dest_ipaddr.ip_address);
|
|
else
|
|
rc = sprintf(str, "%pI6\n",
|
|
&boot_conn->dest_ipaddr.ip_address);
|
|
break;
|
|
case ISCSI_BOOT_TGT_PORT:
|
|
rc = sprintf(str, "%d\n", boot_conn->dest_port);
|
|
break;
|
|
case ISCSI_BOOT_TGT_CHAP_NAME:
|
|
rc = sprintf(str, "%.*s\n",
|
|
boot_conn->chap.target_chap_name_length,
|
|
(char *)&boot_conn->chap.target_chap_name);
|
|
break;
|
|
case ISCSI_BOOT_TGT_CHAP_SECRET:
|
|
rc = sprintf(str, "%.*s\n",
|
|
boot_conn->chap.target_secret_length,
|
|
(char *)&boot_conn->chap.target_secret);
|
|
break;
|
|
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
|
|
rc = sprintf(str, "%.*s\n",
|
|
boot_conn->chap.intr_chap_name_length,
|
|
(char *)&boot_conn->chap.intr_chap_name);
|
|
break;
|
|
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
|
|
rc = sprintf(str, "%.*s\n",
|
|
boot_conn->chap.intr_secret_length,
|
|
(char *)&boot_conn->chap.intr_secret);
|
|
break;
|
|
case ISCSI_BOOT_TGT_FLAGS:
|
|
rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
|
|
break;
|
|
case ISCSI_BOOT_TGT_NIC_ASSOC:
|
|
rc = sprintf(str, "0\n");
|
|
break;
|
|
default:
|
|
rc = -ENOSYS;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = data;
|
|
struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
|
|
|
|
return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
|
|
}
|
|
|
|
static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
|
|
{
|
|
struct scsi_qla_host *ha = data;
|
|
struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
|
|
|
|
return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
|
|
}
|
|
|
|
static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
|
|
{
|
|
int rc;
|
|
|
|
switch (type) {
|
|
case ISCSI_BOOT_TGT_NAME:
|
|
case ISCSI_BOOT_TGT_IP_ADDR:
|
|
case ISCSI_BOOT_TGT_PORT:
|
|
case ISCSI_BOOT_TGT_CHAP_NAME:
|
|
case ISCSI_BOOT_TGT_CHAP_SECRET:
|
|
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
|
|
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
|
|
case ISCSI_BOOT_TGT_NIC_ASSOC:
|
|
case ISCSI_BOOT_TGT_FLAGS:
|
|
rc = S_IRUGO;
|
|
break;
|
|
default:
|
|
rc = 0;
|
|
break;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static void qla4xxx_boot_release(void *data)
|
|
{
|
|
struct scsi_qla_host *ha = data;
|
|
|
|
scsi_host_put(ha->host);
|
|
}
|
|
|
|
static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
|
|
{
|
|
dma_addr_t buf_dma;
|
|
uint32_t addr, pri_addr, sec_addr;
|
|
uint32_t offset;
|
|
uint16_t func_num;
|
|
uint8_t val;
|
|
uint8_t *buf = NULL;
|
|
size_t size = 13 * sizeof(uint8_t);
|
|
int ret = QLA_SUCCESS;
|
|
|
|
func_num = PCI_FUNC(ha->pdev->devfn);
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
|
|
__func__, ha->pdev->device, func_num);
|
|
|
|
if (is_qla40XX(ha)) {
|
|
if (func_num == 1) {
|
|
addr = NVRAM_PORT0_BOOT_MODE;
|
|
pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
|
|
sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
|
|
} else if (func_num == 3) {
|
|
addr = NVRAM_PORT1_BOOT_MODE;
|
|
pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
|
|
sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
|
|
} else {
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info;
|
|
}
|
|
|
|
/* Check Boot Mode */
|
|
val = rd_nvram_byte(ha, addr);
|
|
if (!(val & 0x07)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
|
|
"options : 0x%x\n", __func__, val));
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info;
|
|
}
|
|
|
|
/* get primary valid target index */
|
|
val = rd_nvram_byte(ha, pri_addr);
|
|
if (val & BIT_7)
|
|
ddb_index[0] = (val & 0x7f);
|
|
|
|
/* get secondary valid target index */
|
|
val = rd_nvram_byte(ha, sec_addr);
|
|
if (val & BIT_7)
|
|
ddb_index[1] = (val & 0x7f);
|
|
|
|
} else if (is_qla80XX(ha)) {
|
|
buf = dma_alloc_coherent(&ha->pdev->dev, size,
|
|
&buf_dma, GFP_KERNEL);
|
|
if (!buf) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info;
|
|
}
|
|
|
|
if (ha->port_num == 0)
|
|
offset = BOOT_PARAM_OFFSET_PORT0;
|
|
else if (ha->port_num == 1)
|
|
offset = BOOT_PARAM_OFFSET_PORT1;
|
|
else {
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info_free;
|
|
}
|
|
addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
|
|
offset;
|
|
if (qla4xxx_get_flash(ha, buf_dma, addr,
|
|
13 * sizeof(uint8_t)) != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
|
|
" failed\n", ha->host_no, __func__));
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info_free;
|
|
}
|
|
/* Check Boot Mode */
|
|
if (!(buf[1] & 0x07)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
|
|
" : 0x%x\n", buf[1]));
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info_free;
|
|
}
|
|
|
|
/* get primary valid target index */
|
|
if (buf[2] & BIT_7)
|
|
ddb_index[0] = buf[2] & 0x7f;
|
|
|
|
/* get secondary valid target index */
|
|
if (buf[11] & BIT_7)
|
|
ddb_index[1] = buf[11] & 0x7f;
|
|
} else {
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_info;
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
|
|
" target ID %d\n", __func__, ddb_index[0],
|
|
ddb_index[1]));
|
|
|
|
exit_boot_info_free:
|
|
dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
|
|
exit_boot_info:
|
|
ha->pri_ddb_idx = ddb_index[0];
|
|
ha->sec_ddb_idx = ddb_index[1];
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
|
|
* @ha: pointer to adapter structure
|
|
* @username: CHAP username to be returned
|
|
* @password: CHAP password to be returned
|
|
*
|
|
* If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
|
|
* user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
|
|
* So from the CHAP cache find the first BIDI CHAP entry and set it
|
|
* to the boot record in sysfs.
|
|
**/
|
|
static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
|
|
char *password)
|
|
{
|
|
int i, ret = -EINVAL;
|
|
int max_chap_entries = 0;
|
|
struct ql4_chap_table *chap_table;
|
|
|
|
if (is_qla80XX(ha))
|
|
max_chap_entries = (ha->hw.flt_chap_size / 2) /
|
|
sizeof(struct ql4_chap_table);
|
|
else
|
|
max_chap_entries = MAX_CHAP_ENTRIES_40XX;
|
|
|
|
if (!ha->chap_list) {
|
|
ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
|
|
return ret;
|
|
}
|
|
|
|
mutex_lock(&ha->chap_sem);
|
|
for (i = 0; i < max_chap_entries; i++) {
|
|
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
|
|
if (chap_table->cookie !=
|
|
__constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
|
|
continue;
|
|
}
|
|
|
|
if (chap_table->flags & BIT_7) /* local */
|
|
continue;
|
|
|
|
if (!(chap_table->flags & BIT_6)) /* Not BIDI */
|
|
continue;
|
|
|
|
strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
|
|
strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
|
|
ret = 0;
|
|
break;
|
|
}
|
|
mutex_unlock(&ha->chap_sem);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
|
|
struct ql4_boot_session_info *boot_sess,
|
|
uint16_t ddb_index)
|
|
{
|
|
struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint16_t idx;
|
|
uint16_t options;
|
|
int ret = QLA_SUCCESS;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer.\n",
|
|
__func__));
|
|
ret = QLA_ERROR;
|
|
return ret;
|
|
}
|
|
|
|
if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
|
|
fw_ddb_entry_dma, ddb_index)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
|
|
"index [%d]\n", __func__, ddb_index));
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_target;
|
|
}
|
|
|
|
/* Update target name and IP from DDB */
|
|
memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
|
|
min(sizeof(boot_sess->target_name),
|
|
sizeof(fw_ddb_entry->iscsi_name)));
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
if (options & DDB_OPT_IPV6_DEVICE) {
|
|
memcpy(&boot_conn->dest_ipaddr.ip_address,
|
|
&fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
|
|
} else {
|
|
boot_conn->dest_ipaddr.ip_type = 0x1;
|
|
memcpy(&boot_conn->dest_ipaddr.ip_address,
|
|
&fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
|
|
}
|
|
|
|
boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
|
|
|
|
/* update chap information */
|
|
idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
|
|
|
|
if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
|
|
|
|
ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
|
|
target_chap_name,
|
|
(char *)&boot_conn->chap.target_secret,
|
|
idx);
|
|
if (ret) {
|
|
ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_target;
|
|
}
|
|
|
|
boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
|
|
boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
|
|
}
|
|
|
|
if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
|
|
|
|
ret = qla4xxx_get_bidi_chap(ha,
|
|
(char *)&boot_conn->chap.intr_chap_name,
|
|
(char *)&boot_conn->chap.intr_secret);
|
|
|
|
if (ret) {
|
|
ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
|
|
ret = QLA_ERROR;
|
|
goto exit_boot_target;
|
|
}
|
|
|
|
boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
|
|
boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
|
|
}
|
|
|
|
exit_boot_target:
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
|
|
{
|
|
uint16_t ddb_index[2];
|
|
int ret = QLA_ERROR;
|
|
int rval;
|
|
|
|
memset(ddb_index, 0, sizeof(ddb_index));
|
|
ddb_index[0] = 0xffff;
|
|
ddb_index[1] = 0xffff;
|
|
ret = get_fw_boot_info(ha, ddb_index);
|
|
if (ret != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"%s: No boot target configured.\n", __func__));
|
|
return ret;
|
|
}
|
|
|
|
if (ql4xdisablesysfsboot)
|
|
return QLA_SUCCESS;
|
|
|
|
if (ddb_index[0] == 0xffff)
|
|
goto sec_target;
|
|
|
|
rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
|
|
ddb_index[0]);
|
|
if (rval != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
|
|
"configured\n", __func__));
|
|
} else
|
|
ret = QLA_SUCCESS;
|
|
|
|
sec_target:
|
|
if (ddb_index[1] == 0xffff)
|
|
goto exit_get_boot_info;
|
|
|
|
rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
|
|
ddb_index[1]);
|
|
if (rval != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
|
|
" configured\n", __func__));
|
|
} else
|
|
ret = QLA_SUCCESS;
|
|
|
|
exit_get_boot_info:
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
|
|
{
|
|
struct iscsi_boot_kobj *boot_kobj;
|
|
|
|
if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
|
|
return QLA_ERROR;
|
|
|
|
if (ql4xdisablesysfsboot) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"%s: syfsboot disabled - driver will trigger login "
|
|
"and publish session for discovery .\n", __func__);
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
|
|
ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
|
|
if (!ha->boot_kset)
|
|
goto kset_free;
|
|
|
|
if (!scsi_host_get(ha->host))
|
|
goto kset_free;
|
|
boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
|
|
qla4xxx_show_boot_tgt_pri_info,
|
|
qla4xxx_tgt_get_attr_visibility,
|
|
qla4xxx_boot_release);
|
|
if (!boot_kobj)
|
|
goto put_host;
|
|
|
|
if (!scsi_host_get(ha->host))
|
|
goto kset_free;
|
|
boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
|
|
qla4xxx_show_boot_tgt_sec_info,
|
|
qla4xxx_tgt_get_attr_visibility,
|
|
qla4xxx_boot_release);
|
|
if (!boot_kobj)
|
|
goto put_host;
|
|
|
|
if (!scsi_host_get(ha->host))
|
|
goto kset_free;
|
|
boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
|
|
qla4xxx_show_boot_ini_info,
|
|
qla4xxx_ini_get_attr_visibility,
|
|
qla4xxx_boot_release);
|
|
if (!boot_kobj)
|
|
goto put_host;
|
|
|
|
if (!scsi_host_get(ha->host))
|
|
goto kset_free;
|
|
boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
|
|
qla4xxx_show_boot_eth_info,
|
|
qla4xxx_eth_get_attr_visibility,
|
|
qla4xxx_boot_release);
|
|
if (!boot_kobj)
|
|
goto put_host;
|
|
|
|
return QLA_SUCCESS;
|
|
|
|
put_host:
|
|
scsi_host_put(ha->host);
|
|
kset_free:
|
|
iscsi_boot_destroy_kset(ha->boot_kset);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
|
|
/**
|
|
* qla4xxx_create chap_list - Create CHAP list from FLASH
|
|
* @ha: pointer to adapter structure
|
|
*
|
|
* Read flash and make a list of CHAP entries, during login when a CHAP entry
|
|
* is received, it will be checked in this list. If entry exist then the CHAP
|
|
* entry index is set in the DDB. If CHAP entry does not exist in this list
|
|
* then a new entry is added in FLASH in CHAP table and the index obtained is
|
|
* used in the DDB.
|
|
**/
|
|
static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
|
|
{
|
|
int rval = 0;
|
|
uint8_t *chap_flash_data = NULL;
|
|
uint32_t offset;
|
|
dma_addr_t chap_dma;
|
|
uint32_t chap_size = 0;
|
|
|
|
if (is_qla40XX(ha))
|
|
chap_size = MAX_CHAP_ENTRIES_40XX *
|
|
sizeof(struct ql4_chap_table);
|
|
else /* Single region contains CHAP info for both
|
|
* ports which is divided into half for each port.
|
|
*/
|
|
chap_size = ha->hw.flt_chap_size / 2;
|
|
|
|
chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
|
|
&chap_dma, GFP_KERNEL);
|
|
if (!chap_flash_data) {
|
|
ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
|
|
return;
|
|
}
|
|
if (is_qla40XX(ha))
|
|
offset = FLASH_CHAP_OFFSET;
|
|
else {
|
|
offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
|
|
if (ha->port_num == 1)
|
|
offset += chap_size;
|
|
}
|
|
|
|
rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
|
|
if (rval != QLA_SUCCESS)
|
|
goto exit_chap_list;
|
|
|
|
if (ha->chap_list == NULL)
|
|
ha->chap_list = vmalloc(chap_size);
|
|
if (ha->chap_list == NULL) {
|
|
ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
|
|
goto exit_chap_list;
|
|
}
|
|
|
|
memcpy(ha->chap_list, chap_flash_data, chap_size);
|
|
|
|
exit_chap_list:
|
|
dma_free_coherent(&ha->pdev->dev, chap_size,
|
|
chap_flash_data, chap_dma);
|
|
}
|
|
|
|
static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
|
|
struct ql4_tuple_ddb *tddb)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_cls_conn *cls_conn;
|
|
struct iscsi_session *sess;
|
|
struct iscsi_conn *conn;
|
|
|
|
DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
|
|
ha = ddb_entry->ha;
|
|
cls_sess = ddb_entry->sess;
|
|
sess = cls_sess->dd_data;
|
|
cls_conn = ddb_entry->conn;
|
|
conn = cls_conn->dd_data;
|
|
|
|
tddb->tpgt = sess->tpgt;
|
|
tddb->port = conn->persistent_port;
|
|
strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
|
|
strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
|
|
}
|
|
|
|
static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
|
|
struct ql4_tuple_ddb *tddb,
|
|
uint8_t *flash_isid)
|
|
{
|
|
uint16_t options = 0;
|
|
|
|
tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
|
|
memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
|
|
min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
if (options & DDB_OPT_IPV6_DEVICE)
|
|
sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
|
|
else
|
|
sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
|
|
|
|
tddb->port = le16_to_cpu(fw_ddb_entry->port);
|
|
|
|
if (flash_isid == NULL)
|
|
memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
|
|
sizeof(tddb->isid));
|
|
else
|
|
memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
|
|
}
|
|
|
|
static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
|
|
struct ql4_tuple_ddb *old_tddb,
|
|
struct ql4_tuple_ddb *new_tddb,
|
|
uint8_t is_isid_compare)
|
|
{
|
|
if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
|
|
return QLA_ERROR;
|
|
|
|
if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
|
|
return QLA_ERROR;
|
|
|
|
if (old_tddb->port != new_tddb->port)
|
|
return QLA_ERROR;
|
|
|
|
/* For multi sessions, driver generates the ISID, so do not compare
|
|
* ISID in reset path since it would be a comparison between the
|
|
* driver generated ISID and firmware generated ISID. This could
|
|
* lead to adding duplicated DDBs in the list as driver generated
|
|
* ISID would not match firmware generated ISID.
|
|
*/
|
|
if (is_isid_compare) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
|
|
"%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
|
|
__func__, old_tddb->isid[5], old_tddb->isid[4],
|
|
old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
|
|
old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
|
|
new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
|
|
new_tddb->isid[0]));
|
|
|
|
if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
|
|
sizeof(old_tddb->isid)))
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
|
|
old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
|
|
old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
|
|
new_tddb->ip_addr, new_tddb->iscsi_name));
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint32_t *index)
|
|
{
|
|
struct ddb_entry *ddb_entry;
|
|
struct ql4_tuple_ddb *fw_tddb = NULL;
|
|
struct ql4_tuple_ddb *tmp_tddb = NULL;
|
|
int idx;
|
|
int ret = QLA_ERROR;
|
|
|
|
fw_tddb = vzalloc(sizeof(*fw_tddb));
|
|
if (!fw_tddb) {
|
|
DEBUG2(ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed.\n"));
|
|
ret = QLA_SUCCESS;
|
|
goto exit_check;
|
|
}
|
|
|
|
tmp_tddb = vzalloc(sizeof(*tmp_tddb));
|
|
if (!tmp_tddb) {
|
|
DEBUG2(ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed.\n"));
|
|
ret = QLA_SUCCESS;
|
|
goto exit_check;
|
|
}
|
|
|
|
qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
|
|
|
|
for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
|
|
if (ddb_entry == NULL)
|
|
continue;
|
|
|
|
qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
|
|
if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
|
|
ret = QLA_SUCCESS; /* found */
|
|
if (index != NULL)
|
|
*index = idx;
|
|
goto exit_check;
|
|
}
|
|
}
|
|
|
|
exit_check:
|
|
if (fw_tddb)
|
|
vfree(fw_tddb);
|
|
if (tmp_tddb)
|
|
vfree(tmp_tddb);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_check_existing_isid - check if target with same isid exist
|
|
* in target list
|
|
* @list_nt: list of target
|
|
* @isid: isid to check
|
|
*
|
|
* This routine return QLA_SUCCESS if target with same isid exist
|
|
**/
|
|
static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
|
|
{
|
|
struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
|
|
list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
|
|
fw_ddb_entry = &nt_ddb_idx->fw_ddb;
|
|
|
|
if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
|
|
sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
|
|
return QLA_SUCCESS;
|
|
}
|
|
}
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_update_isid - compare ddbs and updated isid
|
|
* @ha: Pointer to host adapter structure.
|
|
* @list_nt: list of nt target
|
|
* @fw_ddb_entry: firmware ddb entry
|
|
*
|
|
* This routine update isid if ddbs have same iqn, same isid and
|
|
* different IP addr.
|
|
* Return QLA_SUCCESS if isid is updated.
|
|
**/
|
|
static int qla4xxx_update_isid(struct scsi_qla_host *ha,
|
|
struct list_head *list_nt,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
uint8_t base_value, i;
|
|
|
|
base_value = fw_ddb_entry->isid[1] & 0x1f;
|
|
for (i = 0; i < 8; i++) {
|
|
fw_ddb_entry->isid[1] = (base_value | (i << 5));
|
|
if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
|
|
break;
|
|
}
|
|
|
|
if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
|
|
return QLA_ERROR;
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_should_update_isid - check if isid need to update
|
|
* @ha: Pointer to host adapter structure.
|
|
* @old_tddb: ddb tuple
|
|
* @new_tddb: ddb tuple
|
|
*
|
|
* Return QLA_SUCCESS if different IP, different PORT, same iqn,
|
|
* same isid
|
|
**/
|
|
static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
|
|
struct ql4_tuple_ddb *old_tddb,
|
|
struct ql4_tuple_ddb *new_tddb)
|
|
{
|
|
if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
|
|
/* Same ip */
|
|
if (old_tddb->port == new_tddb->port)
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
|
|
/* different iqn */
|
|
return QLA_ERROR;
|
|
|
|
if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
|
|
sizeof(old_tddb->isid)))
|
|
/* different isid */
|
|
return QLA_ERROR;
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
|
|
* @ha: Pointer to host adapter structure.
|
|
* @list_nt: list of nt target.
|
|
* @fw_ddb_entry: firmware ddb entry.
|
|
*
|
|
* This routine check if fw_ddb_entry already exists in list_nt to avoid
|
|
* duplicate ddb in list_nt.
|
|
* Return QLA_SUCCESS if duplicate ddb exit in list_nl.
|
|
* Note: This function also update isid of DDB if required.
|
|
**/
|
|
|
|
static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
|
|
struct list_head *list_nt,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
|
|
struct ql4_tuple_ddb *fw_tddb = NULL;
|
|
struct ql4_tuple_ddb *tmp_tddb = NULL;
|
|
int rval, ret = QLA_ERROR;
|
|
|
|
fw_tddb = vzalloc(sizeof(*fw_tddb));
|
|
if (!fw_tddb) {
|
|
DEBUG2(ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed.\n"));
|
|
ret = QLA_SUCCESS;
|
|
goto exit_check;
|
|
}
|
|
|
|
tmp_tddb = vzalloc(sizeof(*tmp_tddb));
|
|
if (!tmp_tddb) {
|
|
DEBUG2(ql4_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed.\n"));
|
|
ret = QLA_SUCCESS;
|
|
goto exit_check;
|
|
}
|
|
|
|
qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
|
|
|
|
list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
|
|
qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
|
|
nt_ddb_idx->flash_isid);
|
|
ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
|
|
/* found duplicate ddb */
|
|
if (ret == QLA_SUCCESS)
|
|
goto exit_check;
|
|
}
|
|
|
|
list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
|
|
qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
|
|
|
|
ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
|
|
if (ret == QLA_SUCCESS) {
|
|
rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
|
|
if (rval == QLA_SUCCESS)
|
|
ret = QLA_ERROR;
|
|
else
|
|
ret = QLA_SUCCESS;
|
|
|
|
goto exit_check;
|
|
}
|
|
}
|
|
|
|
exit_check:
|
|
if (fw_tddb)
|
|
vfree(fw_tddb);
|
|
if (tmp_tddb)
|
|
vfree(tmp_tddb);
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
|
|
{
|
|
struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
|
|
|
|
list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
|
|
list_del_init(&ddb_idx->list);
|
|
vfree(ddb_idx);
|
|
}
|
|
}
|
|
|
|
static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
struct iscsi_endpoint *ep;
|
|
struct sockaddr_in *addr;
|
|
struct sockaddr_in6 *addr6;
|
|
struct sockaddr *t_addr;
|
|
struct sockaddr_storage *dst_addr;
|
|
char *ip;
|
|
|
|
/* TODO: need to destroy on unload iscsi_endpoint*/
|
|
dst_addr = vmalloc(sizeof(*dst_addr));
|
|
if (!dst_addr)
|
|
return NULL;
|
|
|
|
if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
|
|
t_addr = (struct sockaddr *)dst_addr;
|
|
t_addr->sa_family = AF_INET6;
|
|
addr6 = (struct sockaddr_in6 *)dst_addr;
|
|
ip = (char *)&addr6->sin6_addr;
|
|
memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
|
|
addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
|
|
|
|
} else {
|
|
t_addr = (struct sockaddr *)dst_addr;
|
|
t_addr->sa_family = AF_INET;
|
|
addr = (struct sockaddr_in *)dst_addr;
|
|
ip = (char *)&addr->sin_addr;
|
|
memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
|
|
addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
|
|
}
|
|
|
|
ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
|
|
vfree(dst_addr);
|
|
return ep;
|
|
}
|
|
|
|
static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
|
|
{
|
|
if (ql4xdisablesysfsboot)
|
|
return QLA_SUCCESS;
|
|
if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
|
|
return QLA_ERROR;
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry,
|
|
uint16_t idx)
|
|
{
|
|
uint16_t def_timeout;
|
|
|
|
ddb_entry->ddb_type = FLASH_DDB;
|
|
ddb_entry->fw_ddb_index = INVALID_ENTRY;
|
|
ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
|
|
ddb_entry->ha = ha;
|
|
ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
|
|
ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
|
|
ddb_entry->chap_tbl_idx = INVALID_ENTRY;
|
|
|
|
atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
|
|
atomic_set(&ddb_entry->relogin_timer, 0);
|
|
atomic_set(&ddb_entry->relogin_retry_count, 0);
|
|
def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
|
|
ddb_entry->default_relogin_timeout =
|
|
(def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
|
|
def_timeout : LOGIN_TOV;
|
|
ddb_entry->default_time2wait =
|
|
le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
|
|
|
|
if (ql4xdisablesysfsboot &&
|
|
(idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
|
|
set_bit(DF_BOOT_TGT, &ddb_entry->flags);
|
|
}
|
|
|
|
static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t idx = 0;
|
|
uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
|
|
uint32_t sts[MBOX_REG_COUNT];
|
|
uint32_t ip_state;
|
|
unsigned long wtime;
|
|
int ret;
|
|
|
|
wtime = jiffies + (HZ * IP_CONFIG_TOV);
|
|
do {
|
|
for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
|
|
if (ip_idx[idx] == -1)
|
|
continue;
|
|
|
|
ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
|
|
|
|
if (ret == QLA_ERROR) {
|
|
ip_idx[idx] = -1;
|
|
continue;
|
|
}
|
|
|
|
ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Waiting for IP state for idx = %d, state = 0x%x\n",
|
|
ip_idx[idx], ip_state));
|
|
if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
|
|
ip_state == IP_ADDRSTATE_INVALID ||
|
|
ip_state == IP_ADDRSTATE_PREFERRED ||
|
|
ip_state == IP_ADDRSTATE_DEPRICATED ||
|
|
ip_state == IP_ADDRSTATE_DISABLING)
|
|
ip_idx[idx] = -1;
|
|
}
|
|
|
|
/* Break if all IP states checked */
|
|
if ((ip_idx[0] == -1) &&
|
|
(ip_idx[1] == -1) &&
|
|
(ip_idx[2] == -1) &&
|
|
(ip_idx[3] == -1))
|
|
break;
|
|
schedule_timeout_uninterruptible(HZ);
|
|
} while (time_after(wtime, jiffies));
|
|
}
|
|
|
|
static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
|
|
struct dev_db_entry *flash_ddb_entry)
|
|
{
|
|
uint16_t options = 0;
|
|
size_t ip_len = IP_ADDR_LEN;
|
|
|
|
options = le16_to_cpu(fw_ddb_entry->options);
|
|
if (options & DDB_OPT_IPV6_DEVICE)
|
|
ip_len = IPv6_ADDR_LEN;
|
|
|
|
if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
|
|
return QLA_ERROR;
|
|
|
|
if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
|
|
sizeof(fw_ddb_entry->isid)))
|
|
return QLA_ERROR;
|
|
|
|
if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
|
|
sizeof(fw_ddb_entry->port)))
|
|
return QLA_ERROR;
|
|
|
|
return QLA_SUCCESS;
|
|
}
|
|
|
|
static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint32_t fw_idx, uint32_t *flash_index)
|
|
{
|
|
struct dev_db_entry *flash_ddb_entry;
|
|
dma_addr_t flash_ddb_entry_dma;
|
|
uint32_t idx = 0;
|
|
int max_ddbs;
|
|
int ret = QLA_ERROR, status;
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
|
|
&flash_ddb_entry_dma);
|
|
if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
|
|
ql4_printk(KERN_ERR, ha, "Out of memory\n");
|
|
goto exit_find_st_idx;
|
|
}
|
|
|
|
status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
|
|
flash_ddb_entry_dma, fw_idx);
|
|
if (status == QLA_SUCCESS) {
|
|
status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
|
|
if (status == QLA_SUCCESS) {
|
|
*flash_index = fw_idx;
|
|
ret = QLA_SUCCESS;
|
|
goto exit_find_st_idx;
|
|
}
|
|
}
|
|
|
|
for (idx = 0; idx < max_ddbs; idx++) {
|
|
status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
|
|
flash_ddb_entry_dma, idx);
|
|
if (status == QLA_ERROR)
|
|
continue;
|
|
|
|
status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
|
|
if (status == QLA_SUCCESS) {
|
|
*flash_index = idx;
|
|
ret = QLA_SUCCESS;
|
|
goto exit_find_st_idx;
|
|
}
|
|
}
|
|
|
|
if (idx == max_ddbs)
|
|
ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
|
|
fw_idx);
|
|
|
|
exit_find_st_idx:
|
|
if (flash_ddb_entry)
|
|
dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
|
|
flash_ddb_entry_dma);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
|
|
struct list_head *list_st)
|
|
{
|
|
struct qla_ddb_index *st_ddb_idx;
|
|
int max_ddbs;
|
|
int fw_idx_size;
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
dma_addr_t fw_ddb_dma;
|
|
int ret;
|
|
uint32_t idx = 0, next_idx = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
uint32_t flash_index = -1;
|
|
uint16_t conn_id = 0;
|
|
|
|
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
|
|
&fw_ddb_dma);
|
|
if (fw_ddb_entry == NULL) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
|
|
goto exit_st_list;
|
|
}
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
fw_idx_size = sizeof(struct qla_ddb_index);
|
|
|
|
for (idx = 0; idx < max_ddbs; idx = next_idx) {
|
|
ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
|
|
NULL, &next_idx, &state,
|
|
&conn_err, NULL, &conn_id);
|
|
if (ret == QLA_ERROR)
|
|
break;
|
|
|
|
/* Ignore DDB if invalid state (unassigned) */
|
|
if (state == DDB_DS_UNASSIGNED)
|
|
goto continue_next_st;
|
|
|
|
/* Check if ST, add to the list_st */
|
|
if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
|
|
goto continue_next_st;
|
|
|
|
st_ddb_idx = vzalloc(fw_idx_size);
|
|
if (!st_ddb_idx)
|
|
break;
|
|
|
|
ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
|
|
&flash_index);
|
|
if (ret == QLA_ERROR) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"No flash entry for ST at idx [%d]\n", idx);
|
|
st_ddb_idx->flash_ddb_idx = idx;
|
|
} else {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"ST at idx [%d] is stored at flash [%d]\n",
|
|
idx, flash_index);
|
|
st_ddb_idx->flash_ddb_idx = flash_index;
|
|
}
|
|
|
|
st_ddb_idx->fw_ddb_idx = idx;
|
|
|
|
list_add_tail(&st_ddb_idx->list, list_st);
|
|
continue_next_st:
|
|
if (next_idx == 0)
|
|
break;
|
|
}
|
|
|
|
exit_st_list:
|
|
if (fw_ddb_entry)
|
|
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
|
|
* @ha: pointer to adapter structure
|
|
* @list_ddb: List from which failed ddb to be removed
|
|
*
|
|
* Iterate over the list of DDBs and find and remove DDBs that are either in
|
|
* no connection active state or failed state
|
|
**/
|
|
static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
|
|
struct list_head *list_ddb)
|
|
{
|
|
struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
|
|
uint32_t next_idx = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
int ret;
|
|
|
|
list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
|
|
ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
|
|
NULL, 0, NULL, &next_idx, &state,
|
|
&conn_err, NULL, NULL);
|
|
if (ret == QLA_ERROR)
|
|
continue;
|
|
|
|
if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
|
|
state == DDB_DS_SESSION_FAILED) {
|
|
list_del_init(&ddb_idx->list);
|
|
vfree(ddb_idx);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
|
|
struct ddb_entry *ddb_entry,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_session *sess;
|
|
uint32_t max_ddbs = 0;
|
|
uint16_t ddb_link = -1;
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
cls_sess = ddb_entry->sess;
|
|
sess = cls_sess->dd_data;
|
|
|
|
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
if (ddb_link < max_ddbs)
|
|
sess->discovery_parent_idx = ddb_link;
|
|
else
|
|
sess->discovery_parent_idx = DDB_NO_LINK;
|
|
}
|
|
|
|
static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
int is_reset, uint16_t idx)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_session *sess;
|
|
struct iscsi_cls_conn *cls_conn;
|
|
struct iscsi_endpoint *ep;
|
|
uint16_t cmds_max = 32;
|
|
uint16_t conn_id = 0;
|
|
uint32_t initial_cmdsn = 0;
|
|
int ret = QLA_SUCCESS;
|
|
|
|
struct ddb_entry *ddb_entry = NULL;
|
|
|
|
/* Create session object, with INVALID_ENTRY,
|
|
* the targer_id would get set when we issue the login
|
|
*/
|
|
cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
|
|
cmds_max, sizeof(struct ddb_entry),
|
|
sizeof(struct ql4_task_data),
|
|
initial_cmdsn, INVALID_ENTRY);
|
|
if (!cls_sess) {
|
|
ret = QLA_ERROR;
|
|
goto exit_setup;
|
|
}
|
|
|
|
/*
|
|
* so calling module_put function to decrement the
|
|
* reference count.
|
|
**/
|
|
module_put(qla4xxx_iscsi_transport.owner);
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ddb_entry->sess = cls_sess;
|
|
|
|
cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
|
|
memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
|
|
sizeof(struct dev_db_entry));
|
|
|
|
qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
|
|
|
|
cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
|
|
|
|
if (!cls_conn) {
|
|
ret = QLA_ERROR;
|
|
goto exit_setup;
|
|
}
|
|
|
|
ddb_entry->conn = cls_conn;
|
|
|
|
/* Setup ep, for displaying attributes in sysfs */
|
|
ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
|
|
if (ep) {
|
|
ep->conn = cls_conn;
|
|
cls_conn->ep = ep;
|
|
} else {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
|
|
ret = QLA_ERROR;
|
|
goto exit_setup;
|
|
}
|
|
|
|
/* Update sess/conn params */
|
|
qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
|
|
qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
|
|
|
|
if (is_reset == RESET_ADAPTER) {
|
|
iscsi_block_session(cls_sess);
|
|
/* Use the relogin path to discover new devices
|
|
* by short-circuting the logic of setting
|
|
* timer to relogin - instead set the flags
|
|
* to initiate login right away.
|
|
*/
|
|
set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
|
|
set_bit(DF_RELOGIN, &ddb_entry->flags);
|
|
}
|
|
|
|
exit_setup:
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
|
|
struct list_head *list_ddb,
|
|
struct dev_db_entry *fw_ddb_entry)
|
|
{
|
|
struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
|
|
uint16_t ddb_link;
|
|
|
|
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
|
|
list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
|
|
if (ddb_idx->fw_ddb_idx == ddb_link) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Updating NT parent idx from [%d] to [%d]\n",
|
|
ddb_link, ddb_idx->flash_ddb_idx));
|
|
fw_ddb_entry->ddb_link =
|
|
cpu_to_le16(ddb_idx->flash_ddb_idx);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
|
|
struct list_head *list_nt,
|
|
struct list_head *list_st,
|
|
int is_reset)
|
|
{
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
struct ddb_entry *ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_dma;
|
|
int max_ddbs;
|
|
int fw_idx_size;
|
|
int ret;
|
|
uint32_t idx = 0, next_idx = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
uint32_t ddb_idx = -1;
|
|
uint16_t conn_id = 0;
|
|
uint16_t ddb_link = -1;
|
|
struct qla_ddb_index *nt_ddb_idx;
|
|
|
|
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
|
|
&fw_ddb_dma);
|
|
if (fw_ddb_entry == NULL) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
|
|
goto exit_nt_list;
|
|
}
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
fw_idx_size = sizeof(struct qla_ddb_index);
|
|
|
|
for (idx = 0; idx < max_ddbs; idx = next_idx) {
|
|
ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
|
|
NULL, &next_idx, &state,
|
|
&conn_err, NULL, &conn_id);
|
|
if (ret == QLA_ERROR)
|
|
break;
|
|
|
|
if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
|
|
goto continue_next_nt;
|
|
|
|
/* Check if NT, then add to list it */
|
|
if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
|
|
goto continue_next_nt;
|
|
|
|
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
|
|
if (ddb_link < max_ddbs)
|
|
qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
|
|
|
|
if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
|
|
state == DDB_DS_SESSION_FAILED) &&
|
|
(is_reset == INIT_ADAPTER))
|
|
goto continue_next_nt;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Adding DDB to session = 0x%x\n", idx));
|
|
|
|
if (is_reset == INIT_ADAPTER) {
|
|
nt_ddb_idx = vmalloc(fw_idx_size);
|
|
if (!nt_ddb_idx)
|
|
break;
|
|
|
|
nt_ddb_idx->fw_ddb_idx = idx;
|
|
|
|
/* Copy original isid as it may get updated in function
|
|
* qla4xxx_update_isid(). We need original isid in
|
|
* function qla4xxx_compare_tuple_ddb to find duplicate
|
|
* target */
|
|
memcpy(&nt_ddb_idx->flash_isid[0],
|
|
&fw_ddb_entry->isid[0],
|
|
sizeof(nt_ddb_idx->flash_isid));
|
|
|
|
ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
|
|
fw_ddb_entry);
|
|
if (ret == QLA_SUCCESS) {
|
|
/* free nt_ddb_idx and do not add to list_nt */
|
|
vfree(nt_ddb_idx);
|
|
goto continue_next_nt;
|
|
}
|
|
|
|
/* Copy updated isid */
|
|
memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
|
|
sizeof(struct dev_db_entry));
|
|
|
|
list_add_tail(&nt_ddb_idx->list, list_nt);
|
|
} else if (is_reset == RESET_ADAPTER) {
|
|
ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
|
|
&ddb_idx);
|
|
if (ret == QLA_SUCCESS) {
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
|
|
ddb_idx);
|
|
if (ddb_entry != NULL)
|
|
qla4xxx_update_sess_disc_idx(ha,
|
|
ddb_entry,
|
|
fw_ddb_entry);
|
|
goto continue_next_nt;
|
|
}
|
|
}
|
|
|
|
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_nt_list;
|
|
|
|
continue_next_nt:
|
|
if (next_idx == 0)
|
|
break;
|
|
}
|
|
|
|
exit_nt_list:
|
|
if (fw_ddb_entry)
|
|
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
|
|
}
|
|
|
|
static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
|
|
struct list_head *list_nt,
|
|
uint16_t target_id)
|
|
{
|
|
struct dev_db_entry *fw_ddb_entry;
|
|
dma_addr_t fw_ddb_dma;
|
|
int max_ddbs;
|
|
int fw_idx_size;
|
|
int ret;
|
|
uint32_t idx = 0, next_idx = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
uint16_t conn_id = 0;
|
|
struct qla_ddb_index *nt_ddb_idx;
|
|
|
|
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
|
|
&fw_ddb_dma);
|
|
if (fw_ddb_entry == NULL) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
|
|
goto exit_new_nt_list;
|
|
}
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
fw_idx_size = sizeof(struct qla_ddb_index);
|
|
|
|
for (idx = 0; idx < max_ddbs; idx = next_idx) {
|
|
ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
|
|
NULL, &next_idx, &state,
|
|
&conn_err, NULL, &conn_id);
|
|
if (ret == QLA_ERROR)
|
|
break;
|
|
|
|
/* Check if NT, then add it to list */
|
|
if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
|
|
goto continue_next_new_nt;
|
|
|
|
if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
|
|
goto continue_next_new_nt;
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Adding DDB to session = 0x%x\n", idx));
|
|
|
|
nt_ddb_idx = vmalloc(fw_idx_size);
|
|
if (!nt_ddb_idx)
|
|
break;
|
|
|
|
nt_ddb_idx->fw_ddb_idx = idx;
|
|
|
|
ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
|
|
if (ret == QLA_SUCCESS) {
|
|
/* free nt_ddb_idx and do not add to list_nt */
|
|
vfree(nt_ddb_idx);
|
|
goto continue_next_new_nt;
|
|
}
|
|
|
|
if (target_id < max_ddbs)
|
|
fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
|
|
|
|
list_add_tail(&nt_ddb_idx->list, list_nt);
|
|
|
|
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
|
|
idx);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_new_nt_list;
|
|
|
|
continue_next_new_nt:
|
|
if (next_idx == 0)
|
|
break;
|
|
}
|
|
|
|
exit_new_nt_list:
|
|
if (fw_ddb_entry)
|
|
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry
|
|
* @dev: dev associated with the sysfs entry
|
|
* @data: pointer to flashnode session object
|
|
*
|
|
* Returns:
|
|
* 1: if flashnode entry is non-persistent
|
|
* 0: if flashnode entry is persistent
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
|
|
{
|
|
struct iscsi_bus_flash_session *fnode_sess;
|
|
|
|
if (!iscsi_flashnode_bus_match(dev, NULL))
|
|
return 0;
|
|
|
|
fnode_sess = iscsi_dev_to_flash_session(dev);
|
|
|
|
return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target
|
|
* @ha: pointer to host
|
|
* @fw_ddb_entry: flash ddb data
|
|
* @idx: target index
|
|
* @user: if set then this call is made from userland else from kernel
|
|
*
|
|
* Returns:
|
|
* On sucess: QLA_SUCCESS
|
|
* On failure: QLA_ERROR
|
|
*
|
|
* This create separate sysfs entries for session and connection attributes of
|
|
* the given fw ddb entry.
|
|
* If this is invoked as a result of a userspace call then the entry is marked
|
|
* as nonpersistent using flash_state field.
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint16_t *idx, int user)
|
|
{
|
|
struct iscsi_bus_flash_session *fnode_sess = NULL;
|
|
struct iscsi_bus_flash_conn *fnode_conn = NULL;
|
|
int rc = QLA_ERROR;
|
|
|
|
fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
|
|
&qla4xxx_iscsi_transport, 0);
|
|
if (!fnode_sess) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
|
|
__func__, *idx, ha->host_no);
|
|
goto exit_tgt_create;
|
|
}
|
|
|
|
fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
|
|
&qla4xxx_iscsi_transport, 0);
|
|
if (!fnode_conn) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
|
|
__func__, *idx, ha->host_no);
|
|
goto free_sess;
|
|
}
|
|
|
|
if (user) {
|
|
fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
|
|
} else {
|
|
fnode_sess->flash_state = DEV_DB_PERSISTENT;
|
|
|
|
if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
|
|
fnode_sess->is_boot_target = 1;
|
|
else
|
|
fnode_sess->is_boot_target = 0;
|
|
}
|
|
|
|
rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
|
|
fw_ddb_entry);
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
|
|
__func__, fnode_sess->dev.kobj.name);
|
|
|
|
ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
|
|
__func__, fnode_conn->dev.kobj.name);
|
|
|
|
return QLA_SUCCESS;
|
|
|
|
free_sess:
|
|
iscsi_destroy_flashnode_sess(fnode_sess);
|
|
|
|
exit_tgt_create:
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_add - Add new ddb entry in flash
|
|
* @shost: pointer to host
|
|
* @buf: type of ddb entry (ipv4/ipv6)
|
|
* @len: length of buf
|
|
*
|
|
* This creates new ddb entry in the flash by finding first free index and
|
|
* storing default ddb there. And then create sysfs entry for the new ddb entry.
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
|
|
int len)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
struct device *dev;
|
|
uint16_t idx = 0;
|
|
uint16_t max_ddbs = 0;
|
|
uint32_t options = 0;
|
|
uint32_t rval = QLA_ERROR;
|
|
|
|
if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
|
|
strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
|
|
__func__));
|
|
goto exit_ddb_add;
|
|
}
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
goto exit_ddb_add;
|
|
}
|
|
|
|
dev = iscsi_find_flashnode_sess(ha->host, NULL,
|
|
qla4xxx_sysfs_ddb_is_non_persistent);
|
|
if (dev) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: A non-persistent entry %s found\n",
|
|
__func__, dev->kobj.name);
|
|
put_device(dev);
|
|
goto exit_ddb_add;
|
|
}
|
|
|
|
/* Index 0 and 1 are reserved for boot target entries */
|
|
for (idx = 2; idx < max_ddbs; idx++) {
|
|
if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
|
|
fw_ddb_entry_dma, idx))
|
|
break;
|
|
}
|
|
|
|
if (idx == max_ddbs)
|
|
goto exit_ddb_add;
|
|
|
|
if (!strncasecmp("ipv6", buf, 4))
|
|
options |= IPV6_DEFAULT_DDB_ENTRY;
|
|
|
|
rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
|
|
if (rval == QLA_ERROR)
|
|
goto exit_ddb_add;
|
|
|
|
rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
|
|
|
|
exit_ddb_add:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
if (rval == QLA_SUCCESS)
|
|
return idx;
|
|
else
|
|
return -EIO;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash
|
|
* @fnode_sess: pointer to session attrs of flash ddb entry
|
|
* @fnode_conn: pointer to connection attrs of flash ddb entry
|
|
*
|
|
* This writes the contents of target ddb buffer to Flash with a valid cookie
|
|
* value in order to make the ddb entry persistent.
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
|
|
struct iscsi_bus_flash_conn *fnode_conn)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint32_t options = 0;
|
|
int rval = 0;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
rval = -ENOMEM;
|
|
goto exit_ddb_apply;
|
|
}
|
|
|
|
if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
options |= IPV6_DEFAULT_DDB_ENTRY;
|
|
|
|
rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
|
|
if (rval == QLA_ERROR)
|
|
goto exit_ddb_apply;
|
|
|
|
dev_db_start_offset += (fnode_sess->target_id *
|
|
sizeof(*fw_ddb_entry));
|
|
|
|
qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
|
|
fw_ddb_entry->cookie = DDB_VALID_COOKIE;
|
|
|
|
rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
|
|
sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
|
|
|
|
if (rval == QLA_SUCCESS) {
|
|
fnode_sess->flash_state = DEV_DB_PERSISTENT;
|
|
ql4_printk(KERN_INFO, ha,
|
|
"%s: flash node %u of host %lu written to flash\n",
|
|
__func__, fnode_sess->target_id, ha->host_no);
|
|
} else {
|
|
rval = -EIO;
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Error while writing flash node %u of host %lu to flash\n",
|
|
__func__, fnode_sess->target_id, ha->host_no);
|
|
}
|
|
|
|
exit_ddb_apply:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
return rval;
|
|
}
|
|
|
|
static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint16_t idx)
|
|
{
|
|
struct dev_db_entry *ddb_entry = NULL;
|
|
dma_addr_t ddb_entry_dma;
|
|
unsigned long wtime;
|
|
uint32_t mbx_sts = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
uint16_t tmo = 0;
|
|
int ret = 0;
|
|
|
|
ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
|
|
&ddb_entry_dma, GFP_KERNEL);
|
|
if (!ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
|
|
|
|
ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
|
|
if (ret != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to set ddb entry for index %d\n",
|
|
__func__, idx));
|
|
goto exit_ddb_conn_open;
|
|
}
|
|
|
|
qla4xxx_conn_open(ha, idx);
|
|
|
|
/* To ensure that sendtargets is done, wait for at least 12 secs */
|
|
tmo = ((ha->def_timeout > LOGIN_TOV) &&
|
|
(ha->def_timeout < LOGIN_TOV * 10) ?
|
|
ha->def_timeout : LOGIN_TOV);
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Default time to wait for login to ddb %d\n", tmo));
|
|
|
|
wtime = jiffies + (HZ * tmo);
|
|
do {
|
|
ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
|
|
NULL, &state, &conn_err, NULL,
|
|
NULL);
|
|
if (ret == QLA_ERROR)
|
|
continue;
|
|
|
|
if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
|
|
state == DDB_DS_SESSION_FAILED)
|
|
break;
|
|
|
|
schedule_timeout_uninterruptible(HZ / 10);
|
|
} while (time_after(wtime, jiffies));
|
|
|
|
exit_ddb_conn_open:
|
|
if (ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
|
|
ddb_entry, ddb_entry_dma);
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint16_t target_id)
|
|
{
|
|
struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
|
|
struct list_head list_nt;
|
|
uint16_t ddb_index;
|
|
int ret = 0;
|
|
|
|
if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s: A discovery already in progress!\n", __func__);
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&list_nt);
|
|
|
|
set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
|
|
|
|
ret = qla4xxx_get_ddb_index(ha, &ddb_index);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_login_st_clr_bit;
|
|
|
|
ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_login_st;
|
|
|
|
qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
|
|
|
|
list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
|
|
list_del_init(&ddb_idx->list);
|
|
qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
|
|
vfree(ddb_idx);
|
|
}
|
|
|
|
exit_login_st:
|
|
if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"Unable to clear DDB index = 0x%x\n", ddb_index);
|
|
}
|
|
|
|
clear_bit(ddb_index, ha->ddb_idx_map);
|
|
|
|
exit_login_st_clr_bit:
|
|
clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
|
|
return ret;
|
|
}
|
|
|
|
static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
|
|
struct dev_db_entry *fw_ddb_entry,
|
|
uint16_t idx)
|
|
{
|
|
int ret = QLA_ERROR;
|
|
|
|
ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
|
|
if (ret != QLA_SUCCESS)
|
|
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
|
|
idx);
|
|
else
|
|
ret = -EPERM;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_login - Login to the specified target
|
|
* @fnode_sess: pointer to session attrs of flash ddb entry
|
|
* @fnode_conn: pointer to connection attrs of flash ddb entry
|
|
*
|
|
* This logs in to the specified target
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
|
|
struct iscsi_bus_flash_conn *fnode_conn)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint32_t options = 0;
|
|
int ret = 0;
|
|
|
|
if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Target info is not persistent\n", __func__);
|
|
ret = -EIO;
|
|
goto exit_ddb_login;
|
|
}
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
ret = -ENOMEM;
|
|
goto exit_ddb_login;
|
|
}
|
|
|
|
if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
options |= IPV6_DEFAULT_DDB_ENTRY;
|
|
|
|
ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_ddb_login;
|
|
|
|
qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
|
|
fw_ddb_entry->cookie = DDB_VALID_COOKIE;
|
|
|
|
if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
|
|
ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
|
|
fnode_sess->target_id);
|
|
else
|
|
ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
|
|
fnode_sess->target_id);
|
|
|
|
if (ret > 0)
|
|
ret = -EIO;
|
|
|
|
exit_ddb_login:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target
|
|
* @cls_sess: pointer to session to be logged out
|
|
*
|
|
* This performs session log out from the specified target
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
|
|
{
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb_entry = NULL;
|
|
struct scsi_qla_host *ha;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
unsigned long flags;
|
|
unsigned long wtime;
|
|
uint32_t ddb_state;
|
|
int options;
|
|
int ret = 0;
|
|
|
|
sess = cls_sess->dd_data;
|
|
ddb_entry = sess->dd_data;
|
|
ha = ddb_entry->ha;
|
|
|
|
if (ddb_entry->ddb_type != FLASH_DDB) {
|
|
ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
|
|
__func__);
|
|
ret = -ENXIO;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Logout from boot target entry is not permitted.\n",
|
|
__func__);
|
|
ret = -EPERM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
ret = -ENOMEM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
|
|
goto ddb_logout_init;
|
|
|
|
ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
|
|
fw_ddb_entry, fw_ddb_entry_dma,
|
|
NULL, NULL, &ddb_state, NULL,
|
|
NULL, NULL);
|
|
if (ret == QLA_ERROR)
|
|
goto ddb_logout_init;
|
|
|
|
if (ddb_state == DDB_DS_SESSION_ACTIVE)
|
|
goto ddb_logout_init;
|
|
|
|
/* wait until next relogin is triggered using DF_RELOGIN and
|
|
* clear DF_RELOGIN to avoid invocation of further relogin
|
|
*/
|
|
wtime = jiffies + (HZ * RELOGIN_TOV);
|
|
do {
|
|
if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
|
|
goto ddb_logout_init;
|
|
|
|
schedule_timeout_uninterruptible(HZ);
|
|
} while ((time_after(wtime, jiffies)));
|
|
|
|
ddb_logout_init:
|
|
atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
|
|
atomic_set(&ddb_entry->relogin_timer, 0);
|
|
|
|
options = LOGOUT_OPTION_CLOSE_SESSION;
|
|
qla4xxx_session_logout_ddb(ha, ddb_entry, options);
|
|
|
|
memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
|
|
wtime = jiffies + (HZ * LOGOUT_TOV);
|
|
do {
|
|
ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
|
|
fw_ddb_entry, fw_ddb_entry_dma,
|
|
NULL, NULL, &ddb_state, NULL,
|
|
NULL, NULL);
|
|
if (ret == QLA_ERROR)
|
|
goto ddb_logout_clr_sess;
|
|
|
|
if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
|
|
(ddb_state == DDB_DS_SESSION_FAILED))
|
|
goto ddb_logout_clr_sess;
|
|
|
|
schedule_timeout_uninterruptible(HZ);
|
|
} while ((time_after(wtime, jiffies)));
|
|
|
|
ddb_logout_clr_sess:
|
|
qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
|
|
/*
|
|
* we have decremented the reference count of the driver
|
|
* when we setup the session to have the driver unload
|
|
* to be seamless without actually destroying the
|
|
* session
|
|
**/
|
|
try_module_get(qla4xxx_iscsi_transport.owner);
|
|
iscsi_destroy_endpoint(ddb_entry->conn->ep);
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
qla4xxx_free_ddb(ha, ddb_entry);
|
|
clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
iscsi_session_teardown(ddb_entry->sess);
|
|
|
|
clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
|
|
ret = QLA_SUCCESS;
|
|
|
|
exit_ddb_logout:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_logout - Logout from the specified target
|
|
* @fnode_sess: pointer to session attrs of flash ddb entry
|
|
* @fnode_conn: pointer to connection attrs of flash ddb entry
|
|
*
|
|
* This performs log out from the specified target
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
|
|
struct iscsi_bus_flash_conn *fnode_conn)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct ql4_tuple_ddb *flash_tddb = NULL;
|
|
struct ql4_tuple_ddb *tmp_tddb = NULL;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
struct ddb_entry *ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_dma;
|
|
uint32_t next_idx = 0;
|
|
uint32_t state = 0, conn_err = 0;
|
|
uint16_t conn_id = 0;
|
|
int idx, index;
|
|
int status, ret = 0;
|
|
|
|
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
|
|
&fw_ddb_dma);
|
|
if (fw_ddb_entry == NULL) {
|
|
ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
|
|
ret = -ENOMEM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
flash_tddb = vzalloc(sizeof(*flash_tddb));
|
|
if (!flash_tddb) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s:Memory Allocation failed.\n", __func__);
|
|
ret = -ENOMEM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
tmp_tddb = vzalloc(sizeof(*tmp_tddb));
|
|
if (!tmp_tddb) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s:Memory Allocation failed.\n", __func__);
|
|
ret = -ENOMEM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
if (!fnode_sess->targetname) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s:Cannot logout from SendTarget entry\n",
|
|
__func__);
|
|
ret = -EPERM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
if (fnode_sess->is_boot_target) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Logout from boot target entry is not permitted.\n",
|
|
__func__);
|
|
ret = -EPERM;
|
|
goto exit_ddb_logout;
|
|
}
|
|
|
|
strncpy(flash_tddb->iscsi_name, fnode_sess->targetname,
|
|
ISCSI_NAME_SIZE);
|
|
|
|
if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
|
|
else
|
|
sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
|
|
|
|
flash_tddb->tpgt = fnode_sess->tpgt;
|
|
flash_tddb->port = fnode_conn->port;
|
|
|
|
COPY_ISID(flash_tddb->isid, fnode_sess->isid);
|
|
|
|
for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
|
|
if (ddb_entry == NULL)
|
|
continue;
|
|
|
|
if (ddb_entry->ddb_type != FLASH_DDB)
|
|
continue;
|
|
|
|
index = ddb_entry->sess->target_id;
|
|
status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
|
|
fw_ddb_dma, NULL, &next_idx,
|
|
&state, &conn_err, NULL,
|
|
&conn_id);
|
|
if (status == QLA_ERROR) {
|
|
ret = -ENOMEM;
|
|
break;
|
|
}
|
|
|
|
qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
|
|
|
|
status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
|
|
true);
|
|
if (status == QLA_SUCCESS) {
|
|
ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (idx == MAX_DDB_ENTRIES)
|
|
ret = -ESRCH;
|
|
|
|
exit_ddb_logout:
|
|
if (flash_tddb)
|
|
vfree(flash_tddb);
|
|
if (tmp_tddb)
|
|
vfree(tmp_tddb);
|
|
if (fw_ddb_entry)
|
|
dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
|
|
int param, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct iscsi_bus_flash_conn *fnode_conn;
|
|
struct ql4_chap_table chap_tbl;
|
|
struct device *dev;
|
|
int parent_type;
|
|
int rc = 0;
|
|
|
|
dev = iscsi_find_flashnode_conn(fnode_sess);
|
|
if (!dev)
|
|
return -EIO;
|
|
|
|
fnode_conn = iscsi_dev_to_flash_conn(dev);
|
|
|
|
switch (param) {
|
|
case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
|
|
break;
|
|
case ISCSI_FLASHNODE_PORTAL_TYPE:
|
|
rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
|
|
break;
|
|
case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_SESS:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
|
|
break;
|
|
case ISCSI_FLASHNODE_ENTRY_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
|
|
break;
|
|
case ISCSI_FLASHNODE_HDR_DGST_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_DATA_DGST_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_IMM_DATA_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_INITIAL_R2T_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_DATASEQ_INORDER:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_PDU_INORDER:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_CHAP_AUTH_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_SNACK_REQ_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_BIDI_CHAP_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
|
|
break;
|
|
case ISCSI_FLASHNODE_ERL:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->erl);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
|
|
break;
|
|
case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
|
|
break;
|
|
case ISCSI_FLASHNODE_FIRST_BURST:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TIME2WAIT:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_R2T:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
|
|
break;
|
|
case ISCSI_FLASHNODE_KEEPALIVE_TMO:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
|
|
break;
|
|
case ISCSI_FLASHNODE_ISID:
|
|
rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
|
|
fnode_sess->isid[0], fnode_sess->isid[1],
|
|
fnode_sess->isid[2], fnode_sess->isid[3],
|
|
fnode_sess->isid[4], fnode_sess->isid[5]);
|
|
break;
|
|
case ISCSI_FLASHNODE_TSID:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->tsid);
|
|
break;
|
|
case ISCSI_FLASHNODE_PORT:
|
|
rc = sprintf(buf, "%d\n", fnode_conn->port);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_BURST:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
|
|
rc = sprintf(buf, "%u\n",
|
|
fnode_sess->default_taskmgmt_timeout);
|
|
break;
|
|
case ISCSI_FLASHNODE_IPADDR:
|
|
if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
|
|
else
|
|
rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
|
|
break;
|
|
case ISCSI_FLASHNODE_ALIAS:
|
|
if (fnode_sess->targetalias)
|
|
rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
|
|
else
|
|
rc = sprintf(buf, "\n");
|
|
break;
|
|
case ISCSI_FLASHNODE_REDIRECT_IPADDR:
|
|
if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
rc = sprintf(buf, "%pI6\n",
|
|
fnode_conn->redirect_ipaddr);
|
|
else
|
|
rc = sprintf(buf, "%pI4\n",
|
|
fnode_conn->redirect_ipaddr);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
|
|
break;
|
|
case ISCSI_FLASHNODE_LOCAL_PORT:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->local_port);
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV4_TOS:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV6_TC:
|
|
if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
rc = sprintf(buf, "%u\n",
|
|
fnode_conn->ipv6_traffic_class);
|
|
else
|
|
rc = sprintf(buf, "\n");
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
|
|
break;
|
|
case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
|
|
if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
|
|
rc = sprintf(buf, "%pI6\n",
|
|
fnode_conn->link_local_ipv6_addr);
|
|
else
|
|
rc = sprintf(buf, "\n");
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
|
|
if (fnode_sess->discovery_parent_type == DDB_ISNS)
|
|
parent_type = ISCSI_DISC_PARENT_ISNS;
|
|
else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
|
|
parent_type = ISCSI_DISC_PARENT_UNKNOWN;
|
|
else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
|
|
parent_type = ISCSI_DISC_PARENT_SENDTGT;
|
|
else
|
|
parent_type = ISCSI_DISC_PARENT_UNKNOWN;
|
|
|
|
rc = sprintf(buf, "%s\n",
|
|
iscsi_get_discovery_parent_name(parent_type));
|
|
break;
|
|
case ISCSI_FLASHNODE_NAME:
|
|
if (fnode_sess->targetname)
|
|
rc = sprintf(buf, "%s\n", fnode_sess->targetname);
|
|
else
|
|
rc = sprintf(buf, "\n");
|
|
break;
|
|
case ISCSI_FLASHNODE_TPGT:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_XMIT_WSF:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_RECV_WSF:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
|
|
break;
|
|
case ISCSI_FLASHNODE_CHAP_OUT_IDX:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
|
|
break;
|
|
case ISCSI_FLASHNODE_USERNAME:
|
|
if (fnode_sess->chap_auth_en) {
|
|
qla4xxx_get_uni_chap_at_index(ha,
|
|
chap_tbl.name,
|
|
chap_tbl.secret,
|
|
fnode_sess->chap_out_idx);
|
|
rc = sprintf(buf, "%s\n", chap_tbl.name);
|
|
} else {
|
|
rc = sprintf(buf, "\n");
|
|
}
|
|
break;
|
|
case ISCSI_FLASHNODE_PASSWORD:
|
|
if (fnode_sess->chap_auth_en) {
|
|
qla4xxx_get_uni_chap_at_index(ha,
|
|
chap_tbl.name,
|
|
chap_tbl.secret,
|
|
fnode_sess->chap_out_idx);
|
|
rc = sprintf(buf, "%s\n", chap_tbl.secret);
|
|
} else {
|
|
rc = sprintf(buf, "\n");
|
|
}
|
|
break;
|
|
case ISCSI_FLASHNODE_STATSN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->statsn);
|
|
break;
|
|
case ISCSI_FLASHNODE_EXP_STATSN:
|
|
rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
|
|
break;
|
|
case ISCSI_FLASHNODE_IS_BOOT_TGT:
|
|
rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
|
|
break;
|
|
default:
|
|
rc = -ENOSYS;
|
|
break;
|
|
}
|
|
|
|
put_device(dev);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry
|
|
* @fnode_sess: pointer to session attrs of flash ddb entry
|
|
* @fnode_conn: pointer to connection attrs of flash ddb entry
|
|
* @data: Parameters and their values to update
|
|
* @len: len of data
|
|
*
|
|
* This sets the parameter of flash ddb entry and writes them to flash
|
|
**/
|
|
static int
|
|
qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
|
|
struct iscsi_bus_flash_conn *fnode_conn,
|
|
void *data, int len)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
struct iscsi_flashnode_param_info *fnode_param;
|
|
struct ql4_chap_table chap_tbl;
|
|
struct nlattr *attr;
|
|
uint16_t chap_out_idx = INVALID_ENTRY;
|
|
int rc = QLA_ERROR;
|
|
uint32_t rem = len;
|
|
|
|
memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
|
|
nla_for_each_attr(attr, data, len, rem) {
|
|
fnode_param = nla_data(attr);
|
|
|
|
switch (fnode_param->param) {
|
|
case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
|
|
fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_PORTAL_TYPE:
|
|
memcpy(fnode_sess->portal_type, fnode_param->value,
|
|
strlen(fnode_sess->portal_type));
|
|
break;
|
|
case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
|
|
fnode_sess->auto_snd_tgt_disable =
|
|
fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_SESS:
|
|
fnode_sess->discovery_sess = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_ENTRY_EN:
|
|
fnode_sess->entry_state = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_HDR_DGST_EN:
|
|
fnode_conn->hdrdgst_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_DATA_DGST_EN:
|
|
fnode_conn->datadgst_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_IMM_DATA_EN:
|
|
fnode_sess->imm_data_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_INITIAL_R2T_EN:
|
|
fnode_sess->initial_r2t_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_DATASEQ_INORDER:
|
|
fnode_sess->dataseq_inorder_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_PDU_INORDER:
|
|
fnode_sess->pdu_inorder_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_CHAP_AUTH_EN:
|
|
fnode_sess->chap_auth_en = fnode_param->value[0];
|
|
/* Invalidate chap index if chap auth is disabled */
|
|
if (!fnode_sess->chap_auth_en)
|
|
fnode_sess->chap_out_idx = INVALID_ENTRY;
|
|
|
|
break;
|
|
case ISCSI_FLASHNODE_SNACK_REQ_EN:
|
|
fnode_conn->snack_req_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
|
|
fnode_sess->discovery_logout_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_BIDI_CHAP_EN:
|
|
fnode_sess->bidi_chap_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
|
|
fnode_sess->discovery_auth_optional =
|
|
fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_ERL:
|
|
fnode_sess->erl = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
|
|
fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
|
|
fnode_conn->tcp_nagle_disable = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
|
|
fnode_conn->tcp_wsf_disable = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
|
|
fnode_conn->tcp_timer_scale = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
|
|
fnode_conn->tcp_timestamp_en = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
|
|
fnode_conn->fragment_disable = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
|
|
fnode_conn->max_recv_dlength =
|
|
*(unsigned *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
|
|
fnode_conn->max_xmit_dlength =
|
|
*(unsigned *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_FIRST_BURST:
|
|
fnode_sess->first_burst =
|
|
*(unsigned *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TIME2WAIT:
|
|
fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
|
|
fnode_sess->time2retain =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_R2T:
|
|
fnode_sess->max_r2t =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_KEEPALIVE_TMO:
|
|
fnode_conn->keepalive_timeout =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_ISID:
|
|
memcpy(fnode_sess->isid, fnode_param->value,
|
|
sizeof(fnode_sess->isid));
|
|
break;
|
|
case ISCSI_FLASHNODE_TSID:
|
|
fnode_sess->tsid = *(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_PORT:
|
|
fnode_conn->port = *(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_BURST:
|
|
fnode_sess->max_burst = *(unsigned *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
|
|
fnode_sess->default_taskmgmt_timeout =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_IPADDR:
|
|
memcpy(fnode_conn->ipaddress, fnode_param->value,
|
|
IPv6_ADDR_LEN);
|
|
break;
|
|
case ISCSI_FLASHNODE_ALIAS:
|
|
rc = iscsi_switch_str_param(&fnode_sess->targetalias,
|
|
(char *)fnode_param->value);
|
|
break;
|
|
case ISCSI_FLASHNODE_REDIRECT_IPADDR:
|
|
memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
|
|
IPv6_ADDR_LEN);
|
|
break;
|
|
case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
|
|
fnode_conn->max_segment_size =
|
|
*(unsigned *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_LOCAL_PORT:
|
|
fnode_conn->local_port =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV4_TOS:
|
|
fnode_conn->ipv4_tos = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV6_TC:
|
|
fnode_conn->ipv6_traffic_class = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
|
|
fnode_conn->ipv6_flow_label = fnode_param->value[0];
|
|
break;
|
|
case ISCSI_FLASHNODE_NAME:
|
|
rc = iscsi_switch_str_param(&fnode_sess->targetname,
|
|
(char *)fnode_param->value);
|
|
break;
|
|
case ISCSI_FLASHNODE_TPGT:
|
|
fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
|
|
memcpy(fnode_conn->link_local_ipv6_addr,
|
|
fnode_param->value, IPv6_ADDR_LEN);
|
|
break;
|
|
case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
|
|
fnode_sess->discovery_parent_idx =
|
|
*(uint16_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_XMIT_WSF:
|
|
fnode_conn->tcp_xmit_wsf =
|
|
*(uint8_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_TCP_RECV_WSF:
|
|
fnode_conn->tcp_recv_wsf =
|
|
*(uint8_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_STATSN:
|
|
fnode_conn->statsn = *(uint32_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_EXP_STATSN:
|
|
fnode_conn->exp_statsn =
|
|
*(uint32_t *)fnode_param->value;
|
|
break;
|
|
case ISCSI_FLASHNODE_CHAP_OUT_IDX:
|
|
chap_out_idx = *(uint16_t *)fnode_param->value;
|
|
if (!qla4xxx_get_uni_chap_at_index(ha,
|
|
chap_tbl.name,
|
|
chap_tbl.secret,
|
|
chap_out_idx)) {
|
|
fnode_sess->chap_out_idx = chap_out_idx;
|
|
/* Enable chap auth if chap index is valid */
|
|
fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
|
|
}
|
|
break;
|
|
default:
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: No such sysfs attribute\n", __func__);
|
|
rc = -ENOSYS;
|
|
goto exit_set_param;
|
|
}
|
|
}
|
|
|
|
rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
|
|
|
|
exit_set_param:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry
|
|
* @fnode_sess: pointer to session attrs of flash ddb entry
|
|
*
|
|
* This invalidates the flash ddb entry at the given index
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
|
|
{
|
|
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
uint32_t dev_db_start_offset;
|
|
uint32_t dev_db_end_offset;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint16_t *ddb_cookie = NULL;
|
|
size_t ddb_size = 0;
|
|
void *pddb = NULL;
|
|
int target_id;
|
|
int rc = 0;
|
|
|
|
if (fnode_sess->is_boot_target) {
|
|
rc = -EPERM;
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Deletion of boot target entry is not permitted.\n",
|
|
__func__));
|
|
goto exit_ddb_del;
|
|
}
|
|
|
|
if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
|
|
goto sysfs_ddb_del;
|
|
|
|
if (is_qla40XX(ha)) {
|
|
dev_db_start_offset = FLASH_OFFSET_DB_INFO;
|
|
dev_db_end_offset = FLASH_OFFSET_DB_END;
|
|
dev_db_start_offset += (fnode_sess->target_id *
|
|
sizeof(*fw_ddb_entry));
|
|
ddb_size = sizeof(*fw_ddb_entry);
|
|
} else {
|
|
dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
|
|
(ha->hw.flt_region_ddb << 2);
|
|
/* flt_ddb_size is DDB table size for both ports
|
|
* so divide it by 2 to calculate the offset for second port
|
|
*/
|
|
if (ha->port_num == 1)
|
|
dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
|
|
|
|
dev_db_end_offset = dev_db_start_offset +
|
|
(ha->hw.flt_ddb_size / 2);
|
|
|
|
dev_db_start_offset += (fnode_sess->target_id *
|
|
sizeof(*fw_ddb_entry));
|
|
dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
|
|
|
|
ddb_size = sizeof(*ddb_cookie);
|
|
}
|
|
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
|
|
__func__, dev_db_start_offset, dev_db_end_offset));
|
|
|
|
if (dev_db_start_offset > dev_db_end_offset) {
|
|
rc = -EIO;
|
|
DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
|
|
__func__, fnode_sess->target_id));
|
|
goto exit_ddb_del;
|
|
}
|
|
|
|
pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!pddb) {
|
|
rc = -ENOMEM;
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
goto exit_ddb_del;
|
|
}
|
|
|
|
if (is_qla40XX(ha)) {
|
|
fw_ddb_entry = pddb;
|
|
memset(fw_ddb_entry, 0, ddb_size);
|
|
ddb_cookie = &fw_ddb_entry->cookie;
|
|
} else {
|
|
ddb_cookie = pddb;
|
|
}
|
|
|
|
/* invalidate the cookie */
|
|
*ddb_cookie = 0xFFEE;
|
|
qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
|
|
ddb_size, FLASH_OPT_RMW_COMMIT);
|
|
|
|
sysfs_ddb_del:
|
|
target_id = fnode_sess->target_id;
|
|
iscsi_destroy_flashnode_sess(fnode_sess);
|
|
ql4_printk(KERN_INFO, ha,
|
|
"%s: session and conn entries for flashnode %u of host %lu deleted\n",
|
|
__func__, target_id, ha->host_no);
|
|
exit_ddb_del:
|
|
if (pddb)
|
|
dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
|
|
fw_ddb_entry_dma);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs
|
|
* @ha: pointer to adapter structure
|
|
*
|
|
* Export the firmware DDB for all send targets and normal targets to sysfs.
|
|
**/
|
|
static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
|
|
{
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
uint16_t max_ddbs;
|
|
uint16_t idx = 0;
|
|
int ret = QLA_SUCCESS;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
DEBUG2(ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n",
|
|
__func__));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
for (idx = 0; idx < max_ddbs; idx++) {
|
|
if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
|
|
idx))
|
|
continue;
|
|
|
|
ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
|
|
if (ret) {
|
|
ret = -EIO;
|
|
break;
|
|
}
|
|
}
|
|
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
|
|
fw_ddb_entry_dma);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
|
|
{
|
|
iscsi_destroy_all_flashnode(ha->host);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_build_ddb_list - Build ddb list and setup sessions
|
|
* @ha: pointer to adapter structure
|
|
* @is_reset: Is this init path or reset path
|
|
*
|
|
* Create a list of sendtargets (st) from firmware DDBs, issue send targets
|
|
* using connection open, then create the list of normal targets (nt)
|
|
* from firmware DDBs. Based on the list of nt setup session and connection
|
|
* objects.
|
|
**/
|
|
void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
|
|
{
|
|
uint16_t tmo = 0;
|
|
struct list_head list_st, list_nt;
|
|
struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
|
|
unsigned long wtime;
|
|
|
|
if (!test_bit(AF_LINK_UP, &ha->flags)) {
|
|
set_bit(AF_BUILD_DDB_LIST, &ha->flags);
|
|
ha->is_reset = is_reset;
|
|
return;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&list_st);
|
|
INIT_LIST_HEAD(&list_nt);
|
|
|
|
qla4xxx_build_st_list(ha, &list_st);
|
|
|
|
/* Before issuing conn open mbox, ensure all IPs states are configured
|
|
* Note, conn open fails if IPs are not configured
|
|
*/
|
|
qla4xxx_wait_for_ip_configuration(ha);
|
|
|
|
/* Go thru the STs and fire the sendtargets by issuing conn open mbx */
|
|
list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
|
|
qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
|
|
}
|
|
|
|
/* Wait to ensure all sendtargets are done for min 12 sec wait */
|
|
tmo = ((ha->def_timeout > LOGIN_TOV) &&
|
|
(ha->def_timeout < LOGIN_TOV * 10) ?
|
|
ha->def_timeout : LOGIN_TOV);
|
|
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"Default time to wait for build ddb %d\n", tmo));
|
|
|
|
wtime = jiffies + (HZ * tmo);
|
|
do {
|
|
if (list_empty(&list_st))
|
|
break;
|
|
|
|
qla4xxx_remove_failed_ddb(ha, &list_st);
|
|
schedule_timeout_uninterruptible(HZ / 10);
|
|
} while (time_after(wtime, jiffies));
|
|
|
|
|
|
qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
|
|
|
|
qla4xxx_free_ddb_list(&list_st);
|
|
qla4xxx_free_ddb_list(&list_nt);
|
|
|
|
qla4xxx_free_ddb_index(ha);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login
|
|
* response.
|
|
* @ha: pointer to adapter structure
|
|
*
|
|
* When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be
|
|
* set in DDB and we will wait for login response of boot targets during
|
|
* probe.
|
|
**/
|
|
static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
|
|
{
|
|
struct ddb_entry *ddb_entry;
|
|
struct dev_db_entry *fw_ddb_entry = NULL;
|
|
dma_addr_t fw_ddb_entry_dma;
|
|
unsigned long wtime;
|
|
uint32_t ddb_state;
|
|
int max_ddbs, idx, ret;
|
|
|
|
max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
|
|
MAX_DEV_DB_ENTRIES;
|
|
|
|
fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
&fw_ddb_entry_dma, GFP_KERNEL);
|
|
if (!fw_ddb_entry) {
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Unable to allocate dma buffer\n", __func__);
|
|
goto exit_login_resp;
|
|
}
|
|
|
|
wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
|
|
|
|
for (idx = 0; idx < max_ddbs; idx++) {
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
|
|
if (ddb_entry == NULL)
|
|
continue;
|
|
|
|
if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"%s: DDB index [%d]\n", __func__,
|
|
ddb_entry->fw_ddb_index));
|
|
do {
|
|
ret = qla4xxx_get_fwddb_entry(ha,
|
|
ddb_entry->fw_ddb_index,
|
|
fw_ddb_entry, fw_ddb_entry_dma,
|
|
NULL, NULL, &ddb_state, NULL,
|
|
NULL, NULL);
|
|
if (ret == QLA_ERROR)
|
|
goto exit_login_resp;
|
|
|
|
if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
|
|
(ddb_state == DDB_DS_SESSION_FAILED))
|
|
break;
|
|
|
|
schedule_timeout_uninterruptible(HZ);
|
|
|
|
} while ((time_after(wtime, jiffies)));
|
|
|
|
if (!time_after(wtime, jiffies)) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha,
|
|
"%s: Login response wait timer expired\n",
|
|
__func__));
|
|
goto exit_login_resp;
|
|
}
|
|
}
|
|
}
|
|
|
|
exit_login_resp:
|
|
if (fw_ddb_entry)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
|
|
fw_ddb_entry, fw_ddb_entry_dma);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_probe_adapter - callback function to probe HBA
|
|
* @pdev: pointer to pci_dev structure
|
|
* @pci_device_id: pointer to pci_device entry
|
|
*
|
|
* This routine will probe for Qlogic 4xxx iSCSI host adapters.
|
|
* It returns zero if successful. It also initializes all data necessary for
|
|
* the driver.
|
|
**/
|
|
static int qla4xxx_probe_adapter(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
int ret = -ENODEV, status;
|
|
struct Scsi_Host *host;
|
|
struct scsi_qla_host *ha;
|
|
uint8_t init_retry_count = 0;
|
|
char buf[34];
|
|
struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
|
|
uint32_t dev_state;
|
|
|
|
if (pci_enable_device(pdev))
|
|
return -1;
|
|
|
|
host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
|
|
if (host == NULL) {
|
|
printk(KERN_WARNING
|
|
"qla4xxx: Couldn't allocate host from scsi layer!\n");
|
|
goto probe_disable_device;
|
|
}
|
|
|
|
/* Clear our data area */
|
|
ha = to_qla_host(host);
|
|
memset(ha, 0, sizeof(*ha));
|
|
|
|
/* Save the information from PCI BIOS. */
|
|
ha->pdev = pdev;
|
|
ha->host = host;
|
|
ha->host_no = host->host_no;
|
|
ha->func_num = PCI_FUNC(ha->pdev->devfn);
|
|
|
|
pci_enable_pcie_error_reporting(pdev);
|
|
|
|
/* Setup Runtime configurable options */
|
|
if (is_qla8022(ha)) {
|
|
ha->isp_ops = &qla4_82xx_isp_ops;
|
|
ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
|
|
ha->qdr_sn_window = -1;
|
|
ha->ddr_mn_window = -1;
|
|
ha->curr_window = 255;
|
|
nx_legacy_intr = &legacy_intr[ha->func_num];
|
|
ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
|
|
ha->nx_legacy_intr.tgt_status_reg =
|
|
nx_legacy_intr->tgt_status_reg;
|
|
ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
|
|
ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
|
|
} else if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
ha->isp_ops = &qla4_83xx_isp_ops;
|
|
ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
|
|
} else {
|
|
ha->isp_ops = &qla4xxx_isp_ops;
|
|
}
|
|
|
|
if (is_qla80XX(ha)) {
|
|
rwlock_init(&ha->hw_lock);
|
|
ha->pf_bit = ha->func_num << 16;
|
|
/* Set EEH reset type to fundamental if required by hba */
|
|
pdev->needs_freset = 1;
|
|
}
|
|
|
|
/* Configure PCI I/O space. */
|
|
ret = ha->isp_ops->iospace_config(ha);
|
|
if (ret)
|
|
goto probe_failed_ioconfig;
|
|
|
|
ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
|
|
pdev->device, pdev->irq, ha->reg);
|
|
|
|
qla4xxx_config_dma_addressing(ha);
|
|
|
|
/* Initialize lists and spinlocks. */
|
|
INIT_LIST_HEAD(&ha->free_srb_q);
|
|
|
|
mutex_init(&ha->mbox_sem);
|
|
mutex_init(&ha->chap_sem);
|
|
init_completion(&ha->mbx_intr_comp);
|
|
init_completion(&ha->disable_acb_comp);
|
|
|
|
spin_lock_init(&ha->hardware_lock);
|
|
spin_lock_init(&ha->work_lock);
|
|
|
|
/* Initialize work list */
|
|
INIT_LIST_HEAD(&ha->work_list);
|
|
|
|
/* Allocate dma buffers */
|
|
if (qla4xxx_mem_alloc(ha)) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"[ERROR] Failed to allocate memory for adapter\n");
|
|
|
|
ret = -ENOMEM;
|
|
goto probe_failed;
|
|
}
|
|
|
|
host->cmd_per_lun = 3;
|
|
host->max_channel = 0;
|
|
host->max_lun = MAX_LUNS - 1;
|
|
host->max_id = MAX_TARGETS;
|
|
host->max_cmd_len = IOCB_MAX_CDB_LEN;
|
|
host->can_queue = MAX_SRBS ;
|
|
host->transportt = qla4xxx_scsi_transport;
|
|
|
|
ret = scsi_init_shared_tag_map(host, MAX_SRBS);
|
|
if (ret) {
|
|
ql4_printk(KERN_WARNING, ha,
|
|
"%s: scsi_init_shared_tag_map failed\n", __func__);
|
|
goto probe_failed;
|
|
}
|
|
|
|
pci_set_drvdata(pdev, ha);
|
|
|
|
ret = scsi_add_host(host, &pdev->dev);
|
|
if (ret)
|
|
goto probe_failed;
|
|
|
|
if (is_qla80XX(ha))
|
|
qla4_8xxx_get_flash_info(ha);
|
|
|
|
if (is_qla8032(ha) || is_qla8042(ha)) {
|
|
qla4_83xx_read_reset_template(ha);
|
|
/*
|
|
* NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
|
|
* If DONRESET_BIT0 is set, drivers should not set dev_state
|
|
* to NEED_RESET. But if NEED_RESET is set, drivers should
|
|
* should honor the reset.
|
|
*/
|
|
if (ql4xdontresethba == 1)
|
|
qla4_83xx_set_idc_dontreset(ha);
|
|
}
|
|
|
|
/*
|
|
* Initialize the Host adapter request/response queues and
|
|
* firmware
|
|
* NOTE: interrupts enabled upon successful completion
|
|
*/
|
|
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
|
|
|
|
/* Dont retry adapter initialization if IRQ allocation failed */
|
|
if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) {
|
|
ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n",
|
|
__func__);
|
|
goto skip_retry_init;
|
|
}
|
|
|
|
while ((!test_bit(AF_ONLINE, &ha->flags)) &&
|
|
init_retry_count++ < MAX_INIT_RETRIES) {
|
|
|
|
if (is_qla80XX(ha)) {
|
|
ha->isp_ops->idc_lock(ha);
|
|
dev_state = qla4_8xxx_rd_direct(ha,
|
|
QLA8XXX_CRB_DEV_STATE);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
if (dev_state == QLA8XXX_DEV_FAILED) {
|
|
ql4_printk(KERN_WARNING, ha, "%s: don't retry "
|
|
"initialize adapter. H/W is in failed state\n",
|
|
__func__);
|
|
break;
|
|
}
|
|
}
|
|
DEBUG2(printk("scsi: %s: retrying adapter initialization "
|
|
"(%d)\n", __func__, init_retry_count));
|
|
|
|
if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
|
|
continue;
|
|
|
|
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
|
|
}
|
|
|
|
skip_retry_init:
|
|
if (!test_bit(AF_ONLINE, &ha->flags)) {
|
|
ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
|
|
|
|
if ((is_qla8022(ha) && ql4xdontresethba) ||
|
|
((is_qla8032(ha) || is_qla8042(ha)) &&
|
|
qla4_83xx_idc_dontreset(ha))) {
|
|
/* Put the device in failed state. */
|
|
DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_FAILED);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
}
|
|
ret = -ENODEV;
|
|
goto remove_host;
|
|
}
|
|
|
|
/* Startup the kernel thread for this host adapter. */
|
|
DEBUG2(printk("scsi: %s: Starting kernel thread for "
|
|
"qla4xxx_dpc\n", __func__));
|
|
sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
|
|
ha->dpc_thread = create_singlethread_workqueue(buf);
|
|
if (!ha->dpc_thread) {
|
|
ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
|
|
ret = -ENODEV;
|
|
goto remove_host;
|
|
}
|
|
INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
|
|
|
|
ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
|
|
ha->host_no);
|
|
if (!ha->task_wq) {
|
|
ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
|
|
ret = -ENODEV;
|
|
goto remove_host;
|
|
}
|
|
|
|
/*
|
|
* For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
|
|
* (which is called indirectly by qla4xxx_initialize_adapter),
|
|
* so that irqs will be registered after crbinit but before
|
|
* mbx_intr_enable.
|
|
*/
|
|
if (is_qla40XX(ha)) {
|
|
ret = qla4xxx_request_irqs(ha);
|
|
if (ret) {
|
|
ql4_printk(KERN_WARNING, ha, "Failed to reserve "
|
|
"interrupt %d already in use.\n", pdev->irq);
|
|
goto remove_host;
|
|
}
|
|
}
|
|
|
|
pci_save_state(ha->pdev);
|
|
ha->isp_ops->enable_intrs(ha);
|
|
|
|
/* Start timer thread. */
|
|
qla4xxx_start_timer(ha, qla4xxx_timer, 1);
|
|
|
|
set_bit(AF_INIT_DONE, &ha->flags);
|
|
|
|
qla4_8xxx_alloc_sysfs_attr(ha);
|
|
|
|
printk(KERN_INFO
|
|
" QLogic iSCSI HBA Driver version: %s\n"
|
|
" QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
|
|
qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
|
|
ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
|
|
ha->fw_info.fw_patch, ha->fw_info.fw_build);
|
|
|
|
/* Set the driver version */
|
|
if (is_qla80XX(ha))
|
|
qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
|
|
|
|
if (qla4xxx_setup_boot_info(ha))
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: No iSCSI boot target configured\n", __func__);
|
|
|
|
if (qla4xxx_sysfs_ddb_export(ha))
|
|
ql4_printk(KERN_ERR, ha,
|
|
"%s: Error exporting ddb to sysfs\n", __func__);
|
|
|
|
/* Perform the build ddb list and login to each */
|
|
qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
|
|
qla4xxx_wait_login_resp_boot_tgt(ha);
|
|
|
|
qla4xxx_create_chap_list(ha);
|
|
|
|
qla4xxx_create_ifaces(ha);
|
|
return 0;
|
|
|
|
remove_host:
|
|
scsi_remove_host(ha->host);
|
|
|
|
probe_failed:
|
|
qla4xxx_free_adapter(ha);
|
|
|
|
probe_failed_ioconfig:
|
|
pci_disable_pcie_error_reporting(pdev);
|
|
scsi_host_put(ha->host);
|
|
|
|
probe_disable_device:
|
|
pci_disable_device(pdev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
|
|
* @ha: pointer to adapter structure
|
|
*
|
|
* Mark the other ISP-4xxx port to indicate that the driver is being removed,
|
|
* so that the other port will not re-initialize while in the process of
|
|
* removing the ha due to driver unload or hba hotplug.
|
|
**/
|
|
static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
|
|
{
|
|
struct scsi_qla_host *other_ha = NULL;
|
|
struct pci_dev *other_pdev = NULL;
|
|
int fn = ISP4XXX_PCI_FN_2;
|
|
|
|
/*iscsi function numbers for ISP4xxx is 1 and 3*/
|
|
if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
|
|
fn = ISP4XXX_PCI_FN_1;
|
|
|
|
other_pdev =
|
|
pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
|
|
ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
|
|
fn));
|
|
|
|
/* Get other_ha if other_pdev is valid and state is enable*/
|
|
if (other_pdev) {
|
|
if (atomic_read(&other_pdev->enable_cnt)) {
|
|
other_ha = pci_get_drvdata(other_pdev);
|
|
if (other_ha) {
|
|
set_bit(AF_HA_REMOVAL, &other_ha->flags);
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
|
|
"Prevent %s reinit\n", __func__,
|
|
dev_name(&other_ha->pdev->dev)));
|
|
}
|
|
}
|
|
pci_dev_put(other_pdev);
|
|
}
|
|
}
|
|
|
|
static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
|
|
{
|
|
struct ddb_entry *ddb_entry;
|
|
int options;
|
|
int idx;
|
|
|
|
for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
|
|
|
|
ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
|
|
if ((ddb_entry != NULL) &&
|
|
(ddb_entry->ddb_type == FLASH_DDB)) {
|
|
|
|
options = LOGOUT_OPTION_CLOSE_SESSION;
|
|
if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
|
|
== QLA_ERROR)
|
|
ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
|
|
__func__);
|
|
|
|
qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
|
|
/*
|
|
* we have decremented the reference count of the driver
|
|
* when we setup the session to have the driver unload
|
|
* to be seamless without actually destroying the
|
|
* session
|
|
**/
|
|
try_module_get(qla4xxx_iscsi_transport.owner);
|
|
iscsi_destroy_endpoint(ddb_entry->conn->ep);
|
|
qla4xxx_free_ddb(ha, ddb_entry);
|
|
iscsi_session_teardown(ddb_entry->sess);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* qla4xxx_remove_adapter - callback function to remove adapter.
|
|
* @pci_dev: PCI device pointer
|
|
**/
|
|
static void qla4xxx_remove_adapter(struct pci_dev *pdev)
|
|
{
|
|
struct scsi_qla_host *ha;
|
|
|
|
/*
|
|
* If the PCI device is disabled then it means probe_adapter had
|
|
* failed and resources already cleaned up on probe_adapter exit.
|
|
*/
|
|
if (!pci_is_enabled(pdev))
|
|
return;
|
|
|
|
ha = pci_get_drvdata(pdev);
|
|
|
|
if (is_qla40XX(ha))
|
|
qla4xxx_prevent_other_port_reinit(ha);
|
|
|
|
/* destroy iface from sysfs */
|
|
qla4xxx_destroy_ifaces(ha);
|
|
|
|
if ((!ql4xdisablesysfsboot) && ha->boot_kset)
|
|
iscsi_boot_destroy_kset(ha->boot_kset);
|
|
|
|
qla4xxx_destroy_fw_ddb_session(ha);
|
|
qla4_8xxx_free_sysfs_attr(ha);
|
|
|
|
qla4xxx_sysfs_ddb_remove(ha);
|
|
scsi_remove_host(ha->host);
|
|
|
|
qla4xxx_free_adapter(ha);
|
|
|
|
scsi_host_put(ha->host);
|
|
|
|
pci_disable_pcie_error_reporting(pdev);
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
|
|
* @ha: HA context
|
|
*
|
|
* At exit, the @ha's flags.enable_64bit_addressing set to indicated
|
|
* supported addressing method.
|
|
*/
|
|
static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
|
|
{
|
|
int retval;
|
|
|
|
/* Update our PCI device dma_mask for full 64 bit mask */
|
|
if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
|
|
if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
|
|
dev_dbg(&ha->pdev->dev,
|
|
"Failed to set 64 bit PCI consistent mask; "
|
|
"using 32 bit.\n");
|
|
retval = pci_set_consistent_dma_mask(ha->pdev,
|
|
DMA_BIT_MASK(32));
|
|
}
|
|
} else
|
|
retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
|
|
}
|
|
|
|
static int qla4xxx_slave_alloc(struct scsi_device *sdev)
|
|
{
|
|
struct iscsi_cls_session *cls_sess;
|
|
struct iscsi_session *sess;
|
|
struct ddb_entry *ddb;
|
|
int queue_depth = QL4_DEF_QDEPTH;
|
|
|
|
cls_sess = starget_to_session(sdev->sdev_target);
|
|
sess = cls_sess->dd_data;
|
|
ddb = sess->dd_data;
|
|
|
|
sdev->hostdata = ddb;
|
|
sdev->tagged_supported = 1;
|
|
|
|
if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
|
|
queue_depth = ql4xmaxqdepth;
|
|
|
|
scsi_activate_tcq(sdev, queue_depth);
|
|
return 0;
|
|
}
|
|
|
|
static int qla4xxx_slave_configure(struct scsi_device *sdev)
|
|
{
|
|
sdev->tagged_supported = 1;
|
|
return 0;
|
|
}
|
|
|
|
static void qla4xxx_slave_destroy(struct scsi_device *sdev)
|
|
{
|
|
scsi_deactivate_tcq(sdev, 1);
|
|
}
|
|
|
|
static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
|
|
int reason)
|
|
{
|
|
if (!ql4xqfulltracking)
|
|
return -EOPNOTSUPP;
|
|
|
|
return iscsi_change_queue_depth(sdev, qdepth, reason);
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_del_from_active_array - returns an active srb
|
|
* @ha: Pointer to host adapter structure.
|
|
* @index: index into the active_array
|
|
*
|
|
* This routine removes and returns the srb at the specified index
|
|
**/
|
|
struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
|
|
uint32_t index)
|
|
{
|
|
struct srb *srb = NULL;
|
|
struct scsi_cmnd *cmd = NULL;
|
|
|
|
cmd = scsi_host_find_tag(ha->host, index);
|
|
if (!cmd)
|
|
return srb;
|
|
|
|
srb = (struct srb *)CMD_SP(cmd);
|
|
if (!srb)
|
|
return srb;
|
|
|
|
/* update counters */
|
|
if (srb->flags & SRB_DMA_VALID) {
|
|
ha->iocb_cnt -= srb->iocb_cnt;
|
|
if (srb->cmd)
|
|
srb->cmd->host_scribble =
|
|
(unsigned char *)(unsigned long) MAX_SRBS;
|
|
}
|
|
return srb;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
|
|
* @ha: Pointer to host adapter structure.
|
|
* @cmd: Scsi Command to wait on.
|
|
*
|
|
* This routine waits for the command to be returned by the Firmware
|
|
* for some max time.
|
|
**/
|
|
static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
|
|
struct scsi_cmnd *cmd)
|
|
{
|
|
int done = 0;
|
|
struct srb *rp;
|
|
uint32_t max_wait_time = EH_WAIT_CMD_TOV;
|
|
int ret = SUCCESS;
|
|
|
|
/* Dont wait on command if PCI error is being handled
|
|
* by PCI AER driver
|
|
*/
|
|
if (unlikely(pci_channel_offline(ha->pdev)) ||
|
|
(test_bit(AF_EEH_BUSY, &ha->flags))) {
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
|
|
ha->host_no, __func__);
|
|
return ret;
|
|
}
|
|
|
|
do {
|
|
/* Checking to see if its returned to OS */
|
|
rp = (struct srb *) CMD_SP(cmd);
|
|
if (rp == NULL) {
|
|
done++;
|
|
break;
|
|
}
|
|
|
|
msleep(2000);
|
|
} while (max_wait_time--);
|
|
|
|
return done;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_wait_for_hba_online - waits for HBA to come online
|
|
* @ha: Pointer to host adapter structure
|
|
**/
|
|
static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
|
|
{
|
|
unsigned long wait_online;
|
|
|
|
wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
|
|
while (time_before(jiffies, wait_online)) {
|
|
|
|
if (adapter_up(ha))
|
|
return QLA_SUCCESS;
|
|
|
|
msleep(2000);
|
|
}
|
|
|
|
return QLA_ERROR;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
|
|
* @ha: pointer to HBA
|
|
* @t: target id
|
|
* @l: lun id
|
|
*
|
|
* This function waits for all outstanding commands to a lun to complete. It
|
|
* returns 0 if all pending commands are returned and 1 otherwise.
|
|
**/
|
|
static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
|
|
struct scsi_target *stgt,
|
|
struct scsi_device *sdev)
|
|
{
|
|
int cnt;
|
|
int status = 0;
|
|
struct scsi_cmnd *cmd;
|
|
|
|
/*
|
|
* Waiting for all commands for the designated target or dev
|
|
* in the active array
|
|
*/
|
|
for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
|
|
cmd = scsi_host_find_tag(ha->host, cnt);
|
|
if (cmd && stgt == scsi_target(cmd->device) &&
|
|
(!sdev || sdev == cmd->device)) {
|
|
if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
|
|
status++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_abort - callback for abort task.
|
|
* @cmd: Pointer to Linux's SCSI command structure
|
|
*
|
|
* This routine is called by the Linux OS to abort the specified
|
|
* command.
|
|
**/
|
|
static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
|
|
unsigned int id = cmd->device->id;
|
|
unsigned int lun = cmd->device->lun;
|
|
unsigned long flags;
|
|
struct srb *srb = NULL;
|
|
int ret = SUCCESS;
|
|
int wait = 0;
|
|
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld:%d:%d: Abort command issued cmd=%p\n",
|
|
ha->host_no, id, lun, cmd);
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
srb = (struct srb *) CMD_SP(cmd);
|
|
if (!srb) {
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
return SUCCESS;
|
|
}
|
|
kref_get(&srb->srb_ref);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
|
|
DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
|
|
ha->host_no, id, lun));
|
|
ret = FAILED;
|
|
} else {
|
|
DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
|
|
ha->host_no, id, lun));
|
|
wait = 1;
|
|
}
|
|
|
|
kref_put(&srb->srb_ref, qla4xxx_srb_compl);
|
|
|
|
/* Wait for command to complete */
|
|
if (wait) {
|
|
if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
|
|
DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
|
|
ha->host_no, id, lun));
|
|
ret = FAILED;
|
|
}
|
|
}
|
|
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld:%d:%d: Abort command - %s\n",
|
|
ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_device_reset - callback for target reset.
|
|
* @cmd: Pointer to Linux's SCSI command structure
|
|
*
|
|
* This routine is called by the Linux OS to reset all luns on the
|
|
* specified target.
|
|
**/
|
|
static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
|
|
struct ddb_entry *ddb_entry = cmd->device->hostdata;
|
|
int ret = FAILED, stat;
|
|
|
|
if (!ddb_entry)
|
|
return ret;
|
|
|
|
ret = iscsi_block_scsi_eh(cmd);
|
|
if (ret)
|
|
return ret;
|
|
ret = FAILED;
|
|
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no,
|
|
cmd->device->channel, cmd->device->id, cmd->device->lun);
|
|
|
|
DEBUG2(printk(KERN_INFO
|
|
"scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
|
|
"dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
|
|
cmd, jiffies, cmd->request->timeout / HZ,
|
|
ha->dpc_flags, cmd->result, cmd->allowed));
|
|
|
|
/* FIXME: wait for hba to go online */
|
|
stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
|
|
if (stat != QLA_SUCCESS) {
|
|
ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
|
|
goto eh_dev_reset_done;
|
|
}
|
|
|
|
if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
|
|
cmd->device)) {
|
|
ql4_printk(KERN_INFO, ha,
|
|
"DEVICE RESET FAILED - waiting for "
|
|
"commands.\n");
|
|
goto eh_dev_reset_done;
|
|
}
|
|
|
|
/* Send marker. */
|
|
if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
|
|
MM_LUN_RESET) != QLA_SUCCESS)
|
|
goto eh_dev_reset_done;
|
|
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
|
|
ha->host_no, cmd->device->channel, cmd->device->id,
|
|
cmd->device->lun);
|
|
|
|
ret = SUCCESS;
|
|
|
|
eh_dev_reset_done:
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_target_reset - callback for target reset.
|
|
* @cmd: Pointer to Linux's SCSI command structure
|
|
*
|
|
* This routine is called by the Linux OS to reset the target.
|
|
**/
|
|
static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
|
|
struct ddb_entry *ddb_entry = cmd->device->hostdata;
|
|
int stat, ret;
|
|
|
|
if (!ddb_entry)
|
|
return FAILED;
|
|
|
|
ret = iscsi_block_scsi_eh(cmd);
|
|
if (ret)
|
|
return ret;
|
|
|
|
starget_printk(KERN_INFO, scsi_target(cmd->device),
|
|
"WARM TARGET RESET ISSUED.\n");
|
|
|
|
DEBUG2(printk(KERN_INFO
|
|
"scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
|
|
"to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
|
|
ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
|
|
ha->dpc_flags, cmd->result, cmd->allowed));
|
|
|
|
stat = qla4xxx_reset_target(ha, ddb_entry);
|
|
if (stat != QLA_SUCCESS) {
|
|
starget_printk(KERN_INFO, scsi_target(cmd->device),
|
|
"WARM TARGET RESET FAILED.\n");
|
|
return FAILED;
|
|
}
|
|
|
|
if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
|
|
NULL)) {
|
|
starget_printk(KERN_INFO, scsi_target(cmd->device),
|
|
"WARM TARGET DEVICE RESET FAILED - "
|
|
"waiting for commands.\n");
|
|
return FAILED;
|
|
}
|
|
|
|
/* Send marker. */
|
|
if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
|
|
MM_TGT_WARM_RESET) != QLA_SUCCESS) {
|
|
starget_printk(KERN_INFO, scsi_target(cmd->device),
|
|
"WARM TARGET DEVICE RESET FAILED - "
|
|
"marker iocb failed.\n");
|
|
return FAILED;
|
|
}
|
|
|
|
starget_printk(KERN_INFO, scsi_target(cmd->device),
|
|
"WARM TARGET RESET SUCCEEDED.\n");
|
|
return SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_is_eh_active - check if error handler is running
|
|
* @shost: Pointer to SCSI Host struct
|
|
*
|
|
* This routine finds that if reset host is called in EH
|
|
* scenario or from some application like sg_reset
|
|
**/
|
|
static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
|
|
{
|
|
if (shost->shost_state == SHOST_RECOVERY)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_eh_host_reset - kernel callback
|
|
* @cmd: Pointer to Linux's SCSI command structure
|
|
*
|
|
* This routine is invoked by the Linux kernel to perform fatal error
|
|
* recovery on the specified adapter.
|
|
**/
|
|
static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
int return_status = FAILED;
|
|
struct scsi_qla_host *ha;
|
|
|
|
ha = to_qla_host(cmd->device->host);
|
|
|
|
if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
|
|
qla4_83xx_set_idc_dontreset(ha);
|
|
|
|
/*
|
|
* For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other
|
|
* protocol drivers, we should not set device_state to NEED_RESET
|
|
*/
|
|
if (ql4xdontresethba ||
|
|
((is_qla8032(ha) || is_qla8042(ha)) &&
|
|
qla4_83xx_idc_dontreset(ha))) {
|
|
DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
|
|
ha->host_no, __func__));
|
|
|
|
/* Clear outstanding srb in queues */
|
|
if (qla4xxx_is_eh_active(cmd->device->host))
|
|
qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
|
|
|
|
return FAILED;
|
|
}
|
|
|
|
ql4_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
|
|
cmd->device->channel, cmd->device->id, cmd->device->lun);
|
|
|
|
if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
|
|
DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
|
|
"DEAD.\n", ha->host_no, cmd->device->channel,
|
|
__func__));
|
|
|
|
return FAILED;
|
|
}
|
|
|
|
if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
|
|
if (is_qla80XX(ha))
|
|
set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
|
|
else
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
}
|
|
|
|
if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
|
|
return_status = SUCCESS;
|
|
|
|
ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
|
|
return_status == FAILED ? "FAILED" : "SUCCEEDED");
|
|
|
|
return return_status;
|
|
}
|
|
|
|
static int qla4xxx_context_reset(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t mbox_cmd[MBOX_REG_COUNT];
|
|
uint32_t mbox_sts[MBOX_REG_COUNT];
|
|
struct addr_ctrl_blk_def *acb = NULL;
|
|
uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
|
|
int rval = QLA_SUCCESS;
|
|
dma_addr_t acb_dma;
|
|
|
|
acb = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(struct addr_ctrl_blk_def),
|
|
&acb_dma, GFP_KERNEL);
|
|
if (!acb) {
|
|
ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
|
|
__func__);
|
|
rval = -ENOMEM;
|
|
goto exit_port_reset;
|
|
}
|
|
|
|
memset(acb, 0, acb_len);
|
|
|
|
rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
|
|
if (rval != QLA_SUCCESS) {
|
|
rval = -EIO;
|
|
goto exit_free_acb;
|
|
}
|
|
|
|
rval = qla4xxx_disable_acb(ha);
|
|
if (rval != QLA_SUCCESS) {
|
|
rval = -EIO;
|
|
goto exit_free_acb;
|
|
}
|
|
|
|
wait_for_completion_timeout(&ha->disable_acb_comp,
|
|
DISABLE_ACB_TOV * HZ);
|
|
|
|
rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
|
|
if (rval != QLA_SUCCESS) {
|
|
rval = -EIO;
|
|
goto exit_free_acb;
|
|
}
|
|
|
|
exit_free_acb:
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
|
|
acb, acb_dma);
|
|
exit_port_reset:
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
|
|
rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
|
|
return rval;
|
|
}
|
|
|
|
static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
|
|
{
|
|
struct scsi_qla_host *ha = to_qla_host(shost);
|
|
int rval = QLA_SUCCESS;
|
|
uint32_t idc_ctrl;
|
|
|
|
if (ql4xdontresethba) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
|
|
__func__));
|
|
rval = -EPERM;
|
|
goto exit_host_reset;
|
|
}
|
|
|
|
if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
|
|
goto recover_adapter;
|
|
|
|
switch (reset_type) {
|
|
case SCSI_ADAPTER_RESET:
|
|
set_bit(DPC_RESET_HA, &ha->dpc_flags);
|
|
break;
|
|
case SCSI_FIRMWARE_RESET:
|
|
if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
|
|
if (is_qla80XX(ha))
|
|
/* set firmware context reset */
|
|
set_bit(DPC_RESET_HA_FW_CONTEXT,
|
|
&ha->dpc_flags);
|
|
else {
|
|
rval = qla4xxx_context_reset(ha);
|
|
goto exit_host_reset;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
recover_adapter:
|
|
/* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if
|
|
* reset is issued by application */
|
|
if ((is_qla8032(ha) || is_qla8042(ha)) &&
|
|
test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
|
|
idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
|
|
qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
|
|
(idc_ctrl | GRACEFUL_RESET_BIT1));
|
|
}
|
|
|
|
rval = qla4xxx_recover_adapter(ha);
|
|
if (rval != QLA_SUCCESS) {
|
|
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
|
|
__func__));
|
|
rval = -EIO;
|
|
}
|
|
|
|
exit_host_reset:
|
|
return rval;
|
|
}
|
|
|
|
/* PCI AER driver recovers from all correctable errors w/o
|
|
* driver intervention. For uncorrectable errors PCI AER
|
|
* driver calls the following device driver's callbacks
|
|
*
|
|
* - Fatal Errors - link_reset
|
|
* - Non-Fatal Errors - driver's pci_error_detected() which
|
|
* returns CAN_RECOVER, NEED_RESET or DISCONNECT.
|
|
*
|
|
* PCI AER driver calls
|
|
* CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
|
|
* returns RECOVERED or NEED_RESET if fw_hung
|
|
* NEED_RESET - driver's slot_reset()
|
|
* DISCONNECT - device is dead & cannot recover
|
|
* RECOVERED - driver's pci_resume()
|
|
*/
|
|
static pci_ers_result_t
|
|
qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
|
|
{
|
|
struct scsi_qla_host *ha = pci_get_drvdata(pdev);
|
|
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
|
|
ha->host_no, __func__, state);
|
|
|
|
if (!is_aer_supported(ha))
|
|
return PCI_ERS_RESULT_NONE;
|
|
|
|
switch (state) {
|
|
case pci_channel_io_normal:
|
|
clear_bit(AF_EEH_BUSY, &ha->flags);
|
|
return PCI_ERS_RESULT_CAN_RECOVER;
|
|
case pci_channel_io_frozen:
|
|
set_bit(AF_EEH_BUSY, &ha->flags);
|
|
qla4xxx_mailbox_premature_completion(ha);
|
|
qla4xxx_free_irqs(ha);
|
|
pci_disable_device(pdev);
|
|
/* Return back all IOs */
|
|
qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
case pci_channel_io_perm_failure:
|
|
set_bit(AF_EEH_BUSY, &ha->flags);
|
|
set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
|
|
qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
}
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
|
|
/**
|
|
* qla4xxx_pci_mmio_enabled() gets called if
|
|
* qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
|
|
* and read/write to the device still works.
|
|
**/
|
|
static pci_ers_result_t
|
|
qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
|
|
{
|
|
struct scsi_qla_host *ha = pci_get_drvdata(pdev);
|
|
|
|
if (!is_aer_supported(ha))
|
|
return PCI_ERS_RESULT_NONE;
|
|
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
}
|
|
|
|
static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
|
|
{
|
|
uint32_t rval = QLA_ERROR;
|
|
int fn;
|
|
struct pci_dev *other_pdev = NULL;
|
|
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
|
|
|
|
set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
|
|
|
|
if (test_bit(AF_ONLINE, &ha->flags)) {
|
|
clear_bit(AF_ONLINE, &ha->flags);
|
|
clear_bit(AF_LINK_UP, &ha->flags);
|
|
iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
|
|
qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
|
|
}
|
|
|
|
fn = PCI_FUNC(ha->pdev->devfn);
|
|
while (fn > 0) {
|
|
fn--;
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at "
|
|
"func %x\n", ha->host_no, __func__, fn);
|
|
/* Get the pci device given the domain, bus,
|
|
* slot/function number */
|
|
other_pdev =
|
|
pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
|
|
ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
|
|
fn));
|
|
|
|
if (!other_pdev)
|
|
continue;
|
|
|
|
if (atomic_read(&other_pdev->enable_cnt)) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI "
|
|
"func in enabled state%x\n", ha->host_no,
|
|
__func__, fn);
|
|
pci_dev_put(other_pdev);
|
|
break;
|
|
}
|
|
pci_dev_put(other_pdev);
|
|
}
|
|
|
|
/* The first function on the card, the reset owner will
|
|
* start & initialize the firmware. The other functions
|
|
* on the card will reset the firmware context
|
|
*/
|
|
if (!fn) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
|
|
"0x%x is the owner\n", ha->host_no, __func__,
|
|
ha->pdev->devfn);
|
|
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_COLD);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
|
|
rval = qla4_8xxx_update_idc_reg(ha);
|
|
if (rval == QLA_ERROR) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
|
|
ha->host_no, __func__);
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_FAILED);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
goto exit_error_recovery;
|
|
}
|
|
|
|
clear_bit(AF_FW_RECOVERY, &ha->flags);
|
|
rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
|
|
|
|
if (rval != QLA_SUCCESS) {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
|
|
"FAILED\n", ha->host_no, __func__);
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_clear_drv_active(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_FAILED);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
} else {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
|
|
"READY\n", ha->host_no, __func__);
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
|
|
QLA8XXX_DEV_READY);
|
|
/* Clear driver state register */
|
|
qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
|
|
qla4_8xxx_set_drv_active(ha);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
ha->isp_ops->enable_intrs(ha);
|
|
}
|
|
} else {
|
|
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
|
|
"the reset owner\n", ha->host_no, __func__,
|
|
ha->pdev->devfn);
|
|
if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
|
|
QLA8XXX_DEV_READY)) {
|
|
clear_bit(AF_FW_RECOVERY, &ha->flags);
|
|
rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
|
|
if (rval == QLA_SUCCESS)
|
|
ha->isp_ops->enable_intrs(ha);
|
|
|
|
ha->isp_ops->idc_lock(ha);
|
|
qla4_8xxx_set_drv_active(ha);
|
|
ha->isp_ops->idc_unlock(ha);
|
|
}
|
|
}
|
|
exit_error_recovery:
|
|
clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
|
|
return rval;
|
|
}
|
|
|
|
static pci_ers_result_t
|
|
qla4xxx_pci_slot_reset(struct pci_dev *pdev)
|
|
{
|
|
pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
|
|
struct scsi_qla_host *ha = pci_get_drvdata(pdev);
|
|
int rc;
|
|
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
|
|
ha->host_no, __func__);
|
|
|
|
if (!is_aer_supported(ha))
|
|
return PCI_ERS_RESULT_NONE;
|
|
|
|
/* Restore the saved state of PCIe device -
|
|
* BAR registers, PCI Config space, PCIX, MSI,
|
|
* IOV states
|
|
*/
|
|
pci_restore_state(pdev);
|
|
|
|
/* pci_restore_state() clears the saved_state flag of the device
|
|
* save restored state which resets saved_state flag
|
|
*/
|
|
pci_save_state(pdev);
|
|
|
|
/* Initialize device or resume if in suspended state */
|
|
rc = pci_enable_device(pdev);
|
|
if (rc) {
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
|
|
"device after reset\n", ha->host_no, __func__);
|
|
goto exit_slot_reset;
|
|
}
|
|
|
|
ha->isp_ops->disable_intrs(ha);
|
|
|
|
if (is_qla80XX(ha)) {
|
|
if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
|
|
ret = PCI_ERS_RESULT_RECOVERED;
|
|
goto exit_slot_reset;
|
|
} else
|
|
goto exit_slot_reset;
|
|
}
|
|
|
|
exit_slot_reset:
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
|
|
"device after reset\n", ha->host_no, __func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
qla4xxx_pci_resume(struct pci_dev *pdev)
|
|
{
|
|
struct scsi_qla_host *ha = pci_get_drvdata(pdev);
|
|
int ret;
|
|
|
|
ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
|
|
ha->host_no, __func__);
|
|
|
|
ret = qla4xxx_wait_for_hba_online(ha);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
|
|
"resume I/O from slot/link_reset\n", ha->host_no,
|
|
__func__);
|
|
}
|
|
|
|
pci_cleanup_aer_uncorrect_error_status(pdev);
|
|
clear_bit(AF_EEH_BUSY, &ha->flags);
|
|
}
|
|
|
|
static const struct pci_error_handlers qla4xxx_err_handler = {
|
|
.error_detected = qla4xxx_pci_error_detected,
|
|
.mmio_enabled = qla4xxx_pci_mmio_enabled,
|
|
.slot_reset = qla4xxx_pci_slot_reset,
|
|
.resume = qla4xxx_pci_resume,
|
|
};
|
|
|
|
static struct pci_device_id qla4xxx_pci_tbl[] = {
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP4010,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP4022,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP4032,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP8022,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP8324,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP8042,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
},
|
|
{0, 0},
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
|
|
|
|
static struct pci_driver qla4xxx_pci_driver = {
|
|
.name = DRIVER_NAME,
|
|
.id_table = qla4xxx_pci_tbl,
|
|
.probe = qla4xxx_probe_adapter,
|
|
.remove = qla4xxx_remove_adapter,
|
|
.err_handler = &qla4xxx_err_handler,
|
|
};
|
|
|
|
static int __init qla4xxx_module_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Allocate cache for SRBs. */
|
|
srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
|
|
SLAB_HWCACHE_ALIGN, NULL);
|
|
if (srb_cachep == NULL) {
|
|
printk(KERN_ERR
|
|
"%s: Unable to allocate SRB cache..."
|
|
"Failing load!\n", DRIVER_NAME);
|
|
ret = -ENOMEM;
|
|
goto no_srp_cache;
|
|
}
|
|
|
|
/* Derive version string. */
|
|
strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
|
|
if (ql4xextended_error_logging)
|
|
strcat(qla4xxx_version_str, "-debug");
|
|
|
|
qla4xxx_scsi_transport =
|
|
iscsi_register_transport(&qla4xxx_iscsi_transport);
|
|
if (!qla4xxx_scsi_transport){
|
|
ret = -ENODEV;
|
|
goto release_srb_cache;
|
|
}
|
|
|
|
ret = pci_register_driver(&qla4xxx_pci_driver);
|
|
if (ret)
|
|
goto unregister_transport;
|
|
|
|
printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
|
|
return 0;
|
|
|
|
unregister_transport:
|
|
iscsi_unregister_transport(&qla4xxx_iscsi_transport);
|
|
release_srb_cache:
|
|
kmem_cache_destroy(srb_cachep);
|
|
no_srp_cache:
|
|
return ret;
|
|
}
|
|
|
|
static void __exit qla4xxx_module_exit(void)
|
|
{
|
|
pci_unregister_driver(&qla4xxx_pci_driver);
|
|
iscsi_unregister_transport(&qla4xxx_iscsi_transport);
|
|
kmem_cache_destroy(srb_cachep);
|
|
}
|
|
|
|
module_init(qla4xxx_module_init);
|
|
module_exit(qla4xxx_module_exit);
|
|
|
|
MODULE_AUTHOR("QLogic Corporation");
|
|
MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(QLA4XXX_DRIVER_VERSION);
|