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linux_dsm_epyc7002/drivers/scsi/pm8001/pm8001_sas.h
Tomas Henzl 646cdf0083 pm8001: add a new spinlock to protect the CCB 
Patch adds a new spinlock to protect the ccb management.
It may happen that concurrent threads become the same tag value
from the 'alloc' function', the spinlock prevents this situation.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25 17:17:04 -04:00

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/*
* PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
*
* Copyright (c) 2008-2009 USI Co., Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
*/
#ifndef _PM8001_SAS_H_
#define _PM8001_SAS_H_
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <scsi/libsas.h>
#include <scsi/scsi_tcq.h>
#include <scsi/sas_ata.h>
#include <linux/atomic.h>
#include "pm8001_defs.h"
#define DRV_NAME "pm80xx"
#define DRV_VERSION "0.1.37"
#define PM8001_FAIL_LOGGING 0x01 /* Error message logging */
#define PM8001_INIT_LOGGING 0x02 /* driver init logging */
#define PM8001_DISC_LOGGING 0x04 /* discovery layer logging */
#define PM8001_IO_LOGGING 0x08 /* I/O path logging */
#define PM8001_EH_LOGGING 0x10 /* libsas EH function logging*/
#define PM8001_IOCTL_LOGGING 0x20 /* IOCTL message logging */
#define PM8001_MSG_LOGGING 0x40 /* misc message logging */
#define pm8001_printk(format, arg...) printk(KERN_INFO "pm80xx %s %d:" \
format, __func__, __LINE__, ## arg)
#define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD) \
do { \
if (unlikely(HBA->logging_level & LEVEL)) \
do { \
CMD; \
} while (0); \
} while (0);
#define PM8001_EH_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)
#define PM8001_INIT_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)
#define PM8001_DISC_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)
#define PM8001_IO_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)
#define PM8001_FAIL_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)
#define PM8001_IOCTL_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)
#define PM8001_MSG_DBG(HBA, CMD) \
PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)
#define PM8001_USE_TASKLET
#define PM8001_USE_MSIX
#define PM8001_READ_VPD
#define DEV_IS_EXPANDER(type) ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
#define IS_SPCV_12G(dev) ((dev->device == 0X8074) \
|| (dev->device == 0X8076) \
|| (dev->device == 0X8077))
#define PM8001_NAME_LENGTH 32/* generic length of strings */
extern struct list_head hba_list;
extern const struct pm8001_dispatch pm8001_8001_dispatch;
extern const struct pm8001_dispatch pm8001_80xx_dispatch;
struct pm8001_hba_info;
struct pm8001_ccb_info;
struct pm8001_device;
/* define task management IU */
struct pm8001_tmf_task {
u8 tmf;
u32 tag_of_task_to_be_managed;
};
struct pm8001_ioctl_payload {
u32 signature;
u16 major_function;
u16 minor_function;
u16 length;
u16 status;
u16 offset;
u16 id;
u8 *func_specific;
};
#define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
#define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
#define MPI_FATAL_EDUMP_TABLE_LO_OFFSET 0x00 /* HNFBUFL */
#define MPI_FATAL_EDUMP_TABLE_HI_OFFSET 0x04 /* HNFBUFH */
#define MPI_FATAL_EDUMP_TABLE_LENGTH 0x08 /* HNFBLEN */
#define MPI_FATAL_EDUMP_TABLE_HANDSHAKE 0x0C /* FDDHSHK */
#define MPI_FATAL_EDUMP_TABLE_STATUS 0x10 /* FDDTSTAT */
#define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN 0x14 /* ACCDDLEN */
#define MPI_FATAL_EDUMP_HANDSHAKE_RDY 0x1
#define MPI_FATAL_EDUMP_HANDSHAKE_BUSY 0x0
#define MPI_FATAL_EDUMP_TABLE_STAT_RSVD 0x0
#define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED 0x1
#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE 0x3
#define TYPE_GSM_SPACE 1
#define TYPE_QUEUE 2
#define TYPE_FATAL 3
#define TYPE_NON_FATAL 4
#define TYPE_INBOUND 1
#define TYPE_OUTBOUND 2
struct forensic_data {
u32 data_type;
union {
struct {
u32 direct_len;
u32 direct_offset;
void *direct_data;
} gsm_buf;
struct {
u16 queue_type;
u16 queue_index;
u32 direct_len;
void *direct_data;
} queue_buf;
struct {
u32 direct_len;
u32 direct_offset;
u32 read_len;
void *direct_data;
} data_buf;
};
};
/* bit31-26 - mask bar */
#define SCRATCH_PAD0_BAR_MASK 0xFC000000
/* bit25-0 - offset mask */
#define SCRATCH_PAD0_OFFSET_MASK 0x03FFFFFF
/* if AAP error state */
#define SCRATCH_PAD0_AAPERR_MASK 0xFFFFFFFF
/* Inbound doorbell bit7 */
#define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP 0x80
/* Inbound doorbell bit7 SPCV */
#define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO 0x80
#define MAIN_MERRDCTO_MERRDCES 0xA0/* DWORD 0x28) */
struct pm8001_dispatch {
char *name;
int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb);
int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb);
int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb);
int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_dev, u32 flag);
int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
u32 phy_id, u32 phy_op);
int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
u32 cmd_tag);
int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
void *payload);
int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_dev, u32 state);
int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
u32 state);
int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
u32 state);
int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
};
struct pm8001_chip_info {
u32 encrypt;
u32 n_phy;
const struct pm8001_dispatch *dispatch;
};
#define PM8001_CHIP_DISP (pm8001_ha->chip->dispatch)
struct pm8001_port {
struct asd_sas_port sas_port;
u8 port_attached;
u8 wide_port_phymap;
u8 port_state;
struct list_head list;
};
struct pm8001_phy {
struct pm8001_hba_info *pm8001_ha;
struct pm8001_port *port;
struct asd_sas_phy sas_phy;
struct sas_identify identify;
struct scsi_device *sdev;
u64 dev_sas_addr;
u32 phy_type;
struct completion *enable_completion;
u32 frame_rcvd_size;
u8 frame_rcvd[32];
u8 phy_attached;
u8 phy_state;
enum sas_linkrate minimum_linkrate;
enum sas_linkrate maximum_linkrate;
};
struct pm8001_device {
enum sas_device_type dev_type;
struct domain_device *sas_device;
u32 attached_phy;
u32 id;
struct completion *dcompletion;
struct completion *setds_completion;
u32 device_id;
u32 running_req;
};
struct pm8001_prd_imt {
__le32 len;
__le32 e;
};
struct pm8001_prd {
__le64 addr; /* 64-bit buffer address */
struct pm8001_prd_imt im_len; /* 64-bit length */
} __attribute__ ((packed));
/*
* CCB(Command Control Block)
*/
struct pm8001_ccb_info {
struct list_head entry;
struct sas_task *task;
u32 n_elem;
u32 ccb_tag;
dma_addr_t ccb_dma_handle;
struct pm8001_device *device;
struct pm8001_prd buf_prd[PM8001_MAX_DMA_SG];
struct fw_control_ex *fw_control_context;
u8 open_retry;
};
struct mpi_mem {
void *virt_ptr;
dma_addr_t phys_addr;
u32 phys_addr_hi;
u32 phys_addr_lo;
u32 total_len;
u32 num_elements;
u32 element_size;
u32 alignment;
};
struct mpi_mem_req {
/* The number of element in the mpiMemory array */
u32 count;
/* The array of structures that define memroy regions*/
struct mpi_mem region[USI_MAX_MEMCNT];
};
struct encrypt {
u32 cipher_mode;
u32 sec_mode;
u32 status;
u32 flag;
};
struct sas_phy_attribute_table {
u32 phystart1_16[16];
u32 outbound_hw_event_pid1_16[16];
};
union main_cfg_table {
struct {
u32 signature;
u32 interface_rev;
u32 firmware_rev;
u32 max_out_io;
u32 max_sgl;
u32 ctrl_cap_flag;
u32 gst_offset;
u32 inbound_queue_offset;
u32 outbound_queue_offset;
u32 inbound_q_nppd_hppd;
u32 outbound_hw_event_pid0_3;
u32 outbound_hw_event_pid4_7;
u32 outbound_ncq_event_pid0_3;
u32 outbound_ncq_event_pid4_7;
u32 outbound_tgt_ITNexus_event_pid0_3;
u32 outbound_tgt_ITNexus_event_pid4_7;
u32 outbound_tgt_ssp_event_pid0_3;
u32 outbound_tgt_ssp_event_pid4_7;
u32 outbound_tgt_smp_event_pid0_3;
u32 outbound_tgt_smp_event_pid4_7;
u32 upper_event_log_addr;
u32 lower_event_log_addr;
u32 event_log_size;
u32 event_log_option;
u32 upper_iop_event_log_addr;
u32 lower_iop_event_log_addr;
u32 iop_event_log_size;
u32 iop_event_log_option;
u32 fatal_err_interrupt;
u32 fatal_err_dump_offset0;
u32 fatal_err_dump_length0;
u32 fatal_err_dump_offset1;
u32 fatal_err_dump_length1;
u32 hda_mode_flag;
u32 anolog_setup_table_offset;
u32 rsvd[4];
} pm8001_tbl;
struct {
u32 signature;
u32 interface_rev;
u32 firmware_rev;
u32 max_out_io;
u32 max_sgl;
u32 ctrl_cap_flag;
u32 gst_offset;
u32 inbound_queue_offset;
u32 outbound_queue_offset;
u32 inbound_q_nppd_hppd;
u32 rsvd[8];
u32 crc_core_dump;
u32 rsvd1;
u32 upper_event_log_addr;
u32 lower_event_log_addr;
u32 event_log_size;
u32 event_log_severity;
u32 upper_pcs_event_log_addr;
u32 lower_pcs_event_log_addr;
u32 pcs_event_log_size;
u32 pcs_event_log_severity;
u32 fatal_err_interrupt;
u32 fatal_err_dump_offset0;
u32 fatal_err_dump_length0;
u32 fatal_err_dump_offset1;
u32 fatal_err_dump_length1;
u32 gpio_led_mapping;
u32 analog_setup_table_offset;
u32 int_vec_table_offset;
u32 phy_attr_table_offset;
u32 port_recovery_timer;
u32 interrupt_reassertion_delay;
u32 fatal_n_non_fatal_dump; /* 0x28 */
} pm80xx_tbl;
};
union general_status_table {
struct {
u32 gst_len_mpistate;
u32 iq_freeze_state0;
u32 iq_freeze_state1;
u32 msgu_tcnt;
u32 iop_tcnt;
u32 rsvd;
u32 phy_state[8];
u32 gpio_input_val;
u32 rsvd1[2];
u32 recover_err_info[8];
} pm8001_tbl;
struct {
u32 gst_len_mpistate;
u32 iq_freeze_state0;
u32 iq_freeze_state1;
u32 msgu_tcnt;
u32 iop_tcnt;
u32 rsvd[9];
u32 gpio_input_val;
u32 rsvd1[2];
u32 recover_err_info[8];
} pm80xx_tbl;
};
struct inbound_queue_table {
u32 element_pri_size_cnt;
u32 upper_base_addr;
u32 lower_base_addr;
u32 ci_upper_base_addr;
u32 ci_lower_base_addr;
u32 pi_pci_bar;
u32 pi_offset;
u32 total_length;
void *base_virt;
void *ci_virt;
u32 reserved;
__le32 consumer_index;
u32 producer_idx;
};
struct outbound_queue_table {
u32 element_size_cnt;
u32 upper_base_addr;
u32 lower_base_addr;
void *base_virt;
u32 pi_upper_base_addr;
u32 pi_lower_base_addr;
u32 ci_pci_bar;
u32 ci_offset;
u32 total_length;
void *pi_virt;
u32 interrup_vec_cnt_delay;
u32 dinterrup_to_pci_offset;
__le32 producer_index;
u32 consumer_idx;
};
struct pm8001_hba_memspace {
void __iomem *memvirtaddr;
u64 membase;
u32 memsize;
};
struct isr_param {
struct pm8001_hba_info *drv_inst;
u32 irq_id;
};
struct pm8001_hba_info {
char name[PM8001_NAME_LENGTH];
struct list_head list;
unsigned long flags;
spinlock_t lock;/* host-wide lock */
spinlock_t bitmap_lock;
struct pci_dev *pdev;/* our device */
struct device *dev;
struct pm8001_hba_memspace io_mem[6];
struct mpi_mem_req memoryMap;
struct encrypt encrypt_info; /* support encryption */
struct forensic_data forensic_info;
u32 fatal_bar_loc;
u32 forensic_last_offset;
u32 fatal_forensic_shift_offset;
u32 forensic_fatal_step;
u32 evtlog_ib_offset;
u32 evtlog_ob_offset;
void __iomem *msg_unit_tbl_addr;/*Message Unit Table Addr*/
void __iomem *main_cfg_tbl_addr;/*Main Config Table Addr*/
void __iomem *general_stat_tbl_addr;/*General Status Table Addr*/
void __iomem *inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
void __iomem *outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
void __iomem *pspa_q_tbl_addr;
/*MPI SAS PHY attributes Queue Config Table Addr*/
void __iomem *ivt_tbl_addr; /*MPI IVT Table Addr */
void __iomem *fatal_tbl_addr; /*MPI IVT Table Addr */
union main_cfg_table main_cfg_tbl;
union general_status_table gs_tbl;
struct inbound_queue_table inbnd_q_tbl[PM8001_MAX_SPCV_INB_NUM];
struct outbound_queue_table outbnd_q_tbl[PM8001_MAX_SPCV_OUTB_NUM];
struct sas_phy_attribute_table phy_attr_table;
/* MPI SAS PHY attributes */
u8 sas_addr[SAS_ADDR_SIZE];
struct sas_ha_struct *sas;/* SCSI/SAS glue */
struct Scsi_Host *shost;
u32 chip_id;
const struct pm8001_chip_info *chip;
struct completion *nvmd_completion;
int tags_num;
unsigned long *tags;
struct pm8001_phy phy[PM8001_MAX_PHYS];
struct pm8001_port port[PM8001_MAX_PHYS];
u32 id;
u32 irq;
u32 iomb_size; /* SPC and SPCV IOMB size */
struct pm8001_device *devices;
struct pm8001_ccb_info *ccb_info;
#ifdef PM8001_USE_MSIX
struct msix_entry msix_entries[PM8001_MAX_MSIX_VEC];
/*for msi-x interrupt*/
int number_of_intr;/*will be used in remove()*/
#endif
#ifdef PM8001_USE_TASKLET
struct tasklet_struct tasklet[PM8001_MAX_MSIX_VEC];
#endif
u32 logging_level;
u32 fw_status;
u32 smp_exp_mode;
const struct firmware *fw_image;
struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
};
struct pm8001_work {
struct work_struct work;
struct pm8001_hba_info *pm8001_ha;
void *data;
int handler;
};
struct pm8001_fw_image_header {
u8 vender_id[8];
u8 product_id;
u8 hardware_rev;
u8 dest_partition;
u8 reserved;
u8 fw_rev[4];
__be32 image_length;
__be32 image_crc;
__be32 startup_entry;
} __attribute__((packed, aligned(4)));
/**
* FW Flash Update status values
*/
#define FLASH_UPDATE_COMPLETE_PENDING_REBOOT 0x00
#define FLASH_UPDATE_IN_PROGRESS 0x01
#define FLASH_UPDATE_HDR_ERR 0x02
#define FLASH_UPDATE_OFFSET_ERR 0x03
#define FLASH_UPDATE_CRC_ERR 0x04
#define FLASH_UPDATE_LENGTH_ERR 0x05
#define FLASH_UPDATE_HW_ERR 0x06
#define FLASH_UPDATE_DNLD_NOT_SUPPORTED 0x10
#define FLASH_UPDATE_DISABLED 0x11
#define NCQ_READ_LOG_FLAG 0x80000000
#define NCQ_ABORT_ALL_FLAG 0x40000000
#define NCQ_2ND_RLE_FLAG 0x20000000
/**
* brief param structure for firmware flash update.
*/
struct fw_flash_updata_info {
u32 cur_image_offset;
u32 cur_image_len;
u32 total_image_len;
struct pm8001_prd sgl;
};
struct fw_control_info {
u32 retcode;/*ret code (status)*/
u32 phase;/*ret code phase*/
u32 phaseCmplt;/*percent complete for the current
update phase */
u32 version;/*Hex encoded firmware version number*/
u32 offset;/*Used for downloading firmware */
u32 len; /*len of buffer*/
u32 size;/* Used in OS VPD and Trace get size
operations.*/
u32 reserved;/* padding required for 64 bit
alignment */
u8 buffer[1];/* Start of buffer */
};
struct fw_control_ex {
struct fw_control_info *fw_control;
void *buffer;/* keep buffer pointer to be
freed when the response comes*/
void *virtAddr;/* keep virtual address of the data */
void *usrAddr;/* keep virtual address of the
user data */
dma_addr_t phys_addr;
u32 len; /* len of buffer */
void *payload; /* pointer to IOCTL Payload */
u8 inProgress;/*if 1 - the IOCTL request is in
progress */
void *param1;
void *param2;
void *param3;
};
/* pm8001 workqueue */
extern struct workqueue_struct *pm8001_wq;
/******************** function prototype *********************/
int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
void *funcdata);
void pm8001_scan_start(struct Scsi_Host *shost);
int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
int pm8001_queue_command(struct sas_task *task, const int num,
gfp_t gfp_flags);
int pm8001_abort_task(struct sas_task *task);
int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
int pm8001_dev_found(struct domain_device *dev);
void pm8001_dev_gone(struct domain_device *dev);
int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
int pm8001_I_T_nexus_reset(struct domain_device *dev);
int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
int pm8001_query_task(struct sas_task *task);
void pm8001_open_reject_retry(
struct pm8001_hba_info *pm8001_ha,
struct sas_task *task_to_close,
struct pm8001_device *device_to_close);
int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
u32 mem_size, u32 align);
void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
struct inbound_queue_table *circularQ,
u32 opCode, void *payload, u32 responseQueue);
int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
u16 messageSize, void **messagePtr);
u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
struct outbound_queue_table *circularQ, u8 bc);
u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
struct outbound_queue_table *circularQ,
void **messagePtr1, u8 *pBC);
int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_dev, u32 state);
int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
void *payload);
int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
void *fw_flash_updata_info, u32 tag);
int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb,
struct pm8001_tmf_task *tmf);
int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
struct pm8001_device *pm8001_dev,
u8 flag, u32 task_tag, u32 cmd_tag);
int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
void pm8001_work_fn(struct work_struct *work);
int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
void *data, int handler);
void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
void *piomb);
void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
struct sas_task *pm8001_alloc_task(void);
void pm8001_task_done(struct sas_task *task);
void pm8001_free_task(struct sas_task *task);
void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
u32 device_id);
int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
u32 length, u8 *buf);
int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
ssize_t pm80xx_get_fatal_dump(struct device *cdev,
struct device_attribute *attr, char *buf);
ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
/* ctl shared API */
extern struct device_attribute *pm8001_host_attrs[];
static inline void
pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
struct sas_task *task, struct pm8001_ccb_info *ccb,
u32 ccb_idx)
{
pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx);
smp_mb(); /*in order to force CPU ordering*/
spin_unlock(&pm8001_ha->lock);
task->task_done(task);
spin_lock(&pm8001_ha->lock);
}
#endif
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