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linux_dsm_epyc7002/drivers/scsi/qla4xxx/ql4_bsg.c
Thomas Gleixner e3976af5a4 scsi/qla4xxx: Convert to SPDX license identifiers 
All files in this driver directory contain the following notice:

  See LICENSE.qla4xxx for copyright and licensing details.

LICENSE.qla4xxx can be found in Documentation/scsi/. The file contains:

  - A copyright notice

    This copyright notice is redundant as all files contain the same
    copyright notice already

  - A license notice

    You may modify and redistribute the device driver code under the
    GNU General Public License (a copy of which is attached hereto as
    Exhibit A) published by the Free Software Foundation (version 2).

  - The full GPLv2 license text

    This can be replaced with the corresponding SPDX license identifier
    (GPL-2.0-only) in the source files which reference this license
    file.

  - The full GPLv2 license text

    A redundant copy of LICENSES/preferred/GPL-2.0

Remove the notices and add the SPDX license identifier GPL-2.0-only to the
source files.

Finally remove the now redundant LICENSE.qla4xxx file.

Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-16 14:31:36 +02:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2011-2013 QLogic Corporation
*/
#include "ql4_def.h"
#include "ql4_glbl.h"
#include "ql4_bsg.h"
static int
qla4xxx_read_flash(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
struct iscsi_bsg_request *bsg_req = bsg_job->request;
uint32_t offset = 0;
uint32_t length = 0;
dma_addr_t flash_dma;
uint8_t *flash = NULL;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
if (ha->flash_state != QLFLASH_WAITING) {
ql4_printk(KERN_ERR, ha, "%s: another flash operation "
"active\n", __func__);
rval = -EBUSY;
goto leave;
}
ha->flash_state = QLFLASH_READING;
offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
length = bsg_job->reply_payload.payload_len;
flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
GFP_KERNEL);
if (!flash) {
ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
"data\n", __func__);
rval = -ENOMEM;
goto leave;
}
rval = qla4xxx_get_flash(ha, flash_dma, offset, length);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: get flash failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else {
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
flash, length);
bsg_reply->result = DID_OK << 16;
}
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
leave:
ha->flash_state = QLFLASH_WAITING;
return rval;
}
static int
qla4xxx_update_flash(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
struct iscsi_bsg_request *bsg_req = bsg_job->request;
uint32_t length = 0;
uint32_t offset = 0;
uint32_t options = 0;
dma_addr_t flash_dma;
uint8_t *flash = NULL;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
if (ha->flash_state != QLFLASH_WAITING) {
ql4_printk(KERN_ERR, ha, "%s: another flash operation "
"active\n", __func__);
rval = -EBUSY;
goto leave;
}
ha->flash_state = QLFLASH_WRITING;
length = bsg_job->request_payload.payload_len;
offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
options = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
GFP_KERNEL);
if (!flash) {
ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
"data\n", __func__);
rval = -ENOMEM;
goto leave;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, flash, length);
rval = qla4xxx_set_flash(ha, flash_dma, offset, length, options);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: set flash failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
leave:
ha->flash_state = QLFLASH_WAITING;
return rval;
}
static int
qla4xxx_get_acb_state(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint32_t status[MBOX_REG_COUNT];
uint32_t acb_idx;
uint32_t ip_idx;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
/* Only 4022 and above adapters are supported */
if (is_qla4010(ha))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
if (bsg_job->reply_payload.payload_len < sizeof(status)) {
ql4_printk(KERN_ERR, ha, "%s: invalid payload len %d\n",
__func__, bsg_job->reply_payload.payload_len);
rval = -EINVAL;
goto leave;
}
acb_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
ip_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
rval = qla4xxx_get_ip_state(ha, acb_idx, ip_idx, status);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: get ip state failed\n",
__func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else {
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
status, sizeof(status));
bsg_reply->result = DID_OK << 16;
}
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
leave:
return rval;
}
static int
qla4xxx_read_nvram(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint32_t offset = 0;
uint32_t len = 0;
uint32_t total_len = 0;
dma_addr_t nvram_dma;
uint8_t *nvram = NULL;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
/* Only 40xx adapters are supported */
if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
len = bsg_job->reply_payload.payload_len;
total_len = offset + len;
/* total len should not be greater than max NVRAM size */
if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
((is_qla4022(ha) || is_qla4032(ha)) &&
total_len > QL40X2_NVRAM_SIZE)) {
ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
" nvram size, offset=%d len=%d\n",
__func__, offset, len);
goto leave;
}
nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
GFP_KERNEL);
if (!nvram) {
ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram "
"data\n", __func__);
rval = -ENOMEM;
goto leave;
}
rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: get nvram failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else {
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
nvram, len);
bsg_reply->result = DID_OK << 16;
}
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
leave:
return rval;
}
static int
qla4xxx_update_nvram(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint32_t offset = 0;
uint32_t len = 0;
uint32_t total_len = 0;
dma_addr_t nvram_dma;
uint8_t *nvram = NULL;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
len = bsg_job->request_payload.payload_len;
total_len = offset + len;
/* total len should not be greater than max NVRAM size */
if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
((is_qla4022(ha) || is_qla4032(ha)) &&
total_len > QL40X2_NVRAM_SIZE)) {
ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
" nvram size, offset=%d len=%d\n",
__func__, offset, len);
goto leave;
}
nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
GFP_KERNEL);
if (!nvram) {
ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
"data\n", __func__);
rval = -ENOMEM;
goto leave;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, nvram, len);
rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
leave:
return rval;
}
static int
qla4xxx_restore_defaults(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint32_t region = 0;
uint32_t field0 = 0;
uint32_t field1 = 0;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
if (is_qla4010(ha))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
leave:
return rval;
}
static int
qla4xxx_bsg_get_acb(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint32_t acb_type = 0;
uint32_t len = 0;
dma_addr_t acb_dma;
uint8_t *acb = NULL;
int rval = -EINVAL;
bsg_reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
goto leave;
/* Only 4022 and above adapters are supported */
if (is_qla4010(ha))
goto leave;
if (ql4xxx_reset_active(ha)) {
ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
rval = -EBUSY;
goto leave;
}
acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
len = bsg_job->reply_payload.payload_len;
if (len < sizeof(struct addr_ctrl_blk)) {
ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n",
__func__, len);
rval = -EINVAL;
goto leave;
}
acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL);
if (!acb) {
ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb "
"data\n", __func__);
rval = -ENOMEM;
goto leave;
}
rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len);
if (rval) {
ql4_printk(KERN_ERR, ha, "%s: get acb failed\n", __func__);
bsg_reply->result = DID_ERROR << 16;
rval = -EIO;
} else {
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
acb, len);
bsg_reply->result = DID_OK << 16;
}
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
dma_free_coherent(&ha->pdev->dev, len, acb, acb_dma);
leave:
return rval;
}
static void ql4xxx_execute_diag_cmd(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint8_t *rsp_ptr = NULL;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status = QLA_ERROR;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n",
__func__);
bsg_reply->result = DID_ERROR << 16;
goto exit_diag_mem_test;
}
bsg_reply->reply_payload_rcv_len = 0;
memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1],
sizeof(uint32_t) * MBOX_REG_COUNT);
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n",
__func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2],
mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6],
mbox_cmd[7]));
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
&mbox_sts[0]);
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n",
__func__, mbox_sts[0], mbox_sts[1], mbox_sts[2],
mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6],
mbox_sts[7]));
if (status == QLA_SUCCESS)
bsg_reply->result = DID_OK << 16;
else
bsg_reply->result = DID_ERROR << 16;
/* Send mbox_sts to application */
bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts);
rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply);
memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts));
exit_diag_mem_test:
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: bsg_reply->result = x%x, status = %s\n",
__func__, bsg_reply->result, STATUS(status)));
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
}
static int qla4_83xx_wait_for_loopback_config_comp(struct scsi_qla_host *ha,
int wait_for_link)
{
int status = QLA_SUCCESS;
if (!wait_for_completion_timeout(&ha->idc_comp, (IDC_COMP_TOV * HZ))) {
ql4_printk(KERN_INFO, ha, "%s: IDC Complete notification not received, Waiting for another %d timeout",
__func__, ha->idc_extend_tmo);
if (ha->idc_extend_tmo) {
if (!wait_for_completion_timeout(&ha->idc_comp,
(ha->idc_extend_tmo * HZ))) {
ha->notify_idc_comp = 0;
ha->notify_link_up_comp = 0;
ql4_printk(KERN_WARNING, ha, "%s: Aborting: IDC Complete notification not received",
__func__);
status = QLA_ERROR;
goto exit_wait;
} else {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: IDC Complete notification received\n",
__func__));
}
}
} else {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: IDC Complete notification received\n",
__func__));
}
ha->notify_idc_comp = 0;
if (wait_for_link) {
if (!wait_for_completion_timeout(&ha->link_up_comp,
(IDC_COMP_TOV * HZ))) {
ha->notify_link_up_comp = 0;
ql4_printk(KERN_WARNING, ha, "%s: Aborting: LINK UP notification not received",
__func__);
status = QLA_ERROR;
goto exit_wait;
} else {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: LINK UP notification received\n",
__func__));
}
ha->notify_link_up_comp = 0;
}
exit_wait:
return status;
}
static int qla4_83xx_pre_loopback_config(struct scsi_qla_host *ha,
uint32_t *mbox_cmd)
{
uint32_t config = 0;
int status = QLA_SUCCESS;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
status = qla4_83xx_get_port_config(ha, &config);
if (status != QLA_SUCCESS)
goto exit_pre_loopback_config;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Default port config=%08X\n",
__func__, config));
if ((config & ENABLE_INTERNAL_LOOPBACK) ||
(config & ENABLE_EXTERNAL_LOOPBACK)) {
ql4_printk(KERN_INFO, ha, "%s: Loopback diagnostics already in progress. Invalid request\n",
__func__);
goto exit_pre_loopback_config;
}
if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK)
config |= ENABLE_INTERNAL_LOOPBACK;
if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK)
config |= ENABLE_EXTERNAL_LOOPBACK;
config &= ~ENABLE_DCBX;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: New port config=%08X\n",
__func__, config));
ha->notify_idc_comp = 1;
ha->notify_link_up_comp = 1;
/* get the link state */
qla4xxx_get_firmware_state(ha);
status = qla4_83xx_set_port_config(ha, &config);
if (status != QLA_SUCCESS) {
ha->notify_idc_comp = 0;
ha->notify_link_up_comp = 0;
goto exit_pre_loopback_config;
}
exit_pre_loopback_config:
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__,
STATUS(status)));
return status;
}
static int qla4_83xx_post_loopback_config(struct scsi_qla_host *ha,
uint32_t *mbox_cmd)
{
int status = QLA_SUCCESS;
uint32_t config = 0;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
status = qla4_83xx_get_port_config(ha, &config);
if (status != QLA_SUCCESS)
goto exit_post_loopback_config;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: port config=%08X\n", __func__,
config));
if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK)
config &= ~ENABLE_INTERNAL_LOOPBACK;
else if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK)
config &= ~ENABLE_EXTERNAL_LOOPBACK;
config |= ENABLE_DCBX;
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: Restore default port config=%08X\n", __func__,
config));
ha->notify_idc_comp = 1;
if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP)
ha->notify_link_up_comp = 1;
status = qla4_83xx_set_port_config(ha, &config);
if (status != QLA_SUCCESS) {
ql4_printk(KERN_INFO, ha, "%s: Scheduling adapter reset\n",
__func__);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
clear_bit(AF_LOOPBACK, &ha->flags);
goto exit_post_loopback_config;
}
exit_post_loopback_config:
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__,
STATUS(status)));
return status;
}
static void qla4xxx_execute_diag_loopback_cmd(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
uint8_t *rsp_ptr = NULL;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int wait_for_link = 1;
int status = QLA_ERROR;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
bsg_reply->reply_payload_rcv_len = 0;
if (test_bit(AF_LOOPBACK, &ha->flags)) {
ql4_printk(KERN_INFO, ha, "%s: Loopback Diagnostics already in progress. Invalid Request\n",
__func__);
bsg_reply->result = DID_ERROR << 16;
goto exit_loopback_cmd;
}
if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n",
__func__);
bsg_reply->result = DID_ERROR << 16;
goto exit_loopback_cmd;
}
memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1],
sizeof(uint32_t) * MBOX_REG_COUNT);
if (is_qla8032(ha) || is_qla8042(ha)) {
status = qla4_83xx_pre_loopback_config(ha, mbox_cmd);
if (status != QLA_SUCCESS) {
bsg_reply->result = DID_ERROR << 16;
goto exit_loopback_cmd;
}
status = qla4_83xx_wait_for_loopback_config_comp(ha,
wait_for_link);
if (status != QLA_SUCCESS) {
bsg_reply->result = DID_TIME_OUT << 16;
goto restore;
}
}
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n",
__func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2],
mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6],
mbox_cmd[7]));
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
&mbox_sts[0]);
if (status == QLA_SUCCESS)
bsg_reply->result = DID_OK << 16;
else
bsg_reply->result = DID_ERROR << 16;
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n",
__func__, mbox_sts[0], mbox_sts[1], mbox_sts[2],
mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6],
mbox_sts[7]));
/* Send mbox_sts to application */
bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts);
rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply);
memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts));
restore:
if (is_qla8032(ha) || is_qla8042(ha)) {
status = qla4_83xx_post_loopback_config(ha, mbox_cmd);
if (status != QLA_SUCCESS) {
bsg_reply->result = DID_ERROR << 16;
goto exit_loopback_cmd;
}
/* for pre_loopback_config() wait for LINK UP only
* if PHY LINK is UP */
if (!(ha->addl_fw_state & FW_ADDSTATE_LINK_UP))
wait_for_link = 0;
status = qla4_83xx_wait_for_loopback_config_comp(ha,
wait_for_link);
if (status != QLA_SUCCESS) {
bsg_reply->result = DID_TIME_OUT << 16;
goto exit_loopback_cmd;
}
}
exit_loopback_cmd:
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: bsg_reply->result = x%x, status = %s\n",
__func__, bsg_reply->result, STATUS(status)));
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
}
static int qla4xxx_execute_diag_test(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
struct iscsi_bsg_request *bsg_req = bsg_job->request;
uint32_t diag_cmd;
int rval = -EINVAL;
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
diag_cmd = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
if (diag_cmd == MBOX_CMD_DIAG_TEST) {
switch (bsg_req->rqst_data.h_vendor.vendor_cmd[2]) {
case QL_DIAG_CMD_TEST_DDR_SIZE:
case QL_DIAG_CMD_TEST_DDR_RW:
case QL_DIAG_CMD_TEST_ONCHIP_MEM_RW:
case QL_DIAG_CMD_TEST_NVRAM:
case QL_DIAG_CMD_TEST_FLASH_ROM:
case QL_DIAG_CMD_TEST_DMA_XFER:
case QL_DIAG_CMD_SELF_DDR_RW:
case QL_DIAG_CMD_SELF_ONCHIP_MEM_RW:
/* Execute diag test for adapter RAM/FLASH */
ql4xxx_execute_diag_cmd(bsg_job);
/* Always return success as we want to sent bsg_reply
* to Application */
rval = QLA_SUCCESS;
break;
case QL_DIAG_CMD_TEST_INT_LOOPBACK:
case QL_DIAG_CMD_TEST_EXT_LOOPBACK:
/* Execute diag test for Network */
qla4xxx_execute_diag_loopback_cmd(bsg_job);
/* Always return success as we want to sent bsg_reply
* to Application */
rval = QLA_SUCCESS;
break;
default:
ql4_printk(KERN_ERR, ha, "%s: Invalid diag test: 0x%x\n",
__func__,
bsg_req->rqst_data.h_vendor.vendor_cmd[2]);
}
} else if ((diag_cmd == MBOX_CMD_SET_LED_CONFIG) ||
(diag_cmd == MBOX_CMD_GET_LED_CONFIG)) {
ql4xxx_execute_diag_cmd(bsg_job);
rval = QLA_SUCCESS;
} else {
ql4_printk(KERN_ERR, ha, "%s: Invalid diag cmd: 0x%x\n",
__func__, diag_cmd);
}
return rval;
}
/**
* qla4xxx_process_vendor_specific - handle vendor specific bsg request
* @bsg_job: iscsi_bsg_job to handle
**/
int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
{
struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
case QLISCSI_VND_READ_FLASH:
return qla4xxx_read_flash(bsg_job);
case QLISCSI_VND_UPDATE_FLASH:
return qla4xxx_update_flash(bsg_job);
case QLISCSI_VND_GET_ACB_STATE:
return qla4xxx_get_acb_state(bsg_job);
case QLISCSI_VND_READ_NVRAM:
return qla4xxx_read_nvram(bsg_job);
case QLISCSI_VND_UPDATE_NVRAM:
return qla4xxx_update_nvram(bsg_job);
case QLISCSI_VND_RESTORE_DEFAULTS:
return qla4xxx_restore_defaults(bsg_job);
case QLISCSI_VND_GET_ACB:
return qla4xxx_bsg_get_acb(bsg_job);
case QLISCSI_VND_DIAG_TEST:
return qla4xxx_execute_diag_test(bsg_job);
default:
ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: "
"0x%x\n", __func__, bsg_req->msgcode);
bsg_reply->result = (DID_ERROR << 16);
bsg_reply->reply_payload_rcv_len = 0;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return -ENOSYS;
}
}
/**
* qla4xxx_bsg_request - handle bsg request from ISCSI transport
* @bsg_job: iscsi_bsg_job to handle
*/
int qla4xxx_bsg_request(struct bsg_job *bsg_job)
{
struct iscsi_bsg_request *bsg_req = bsg_job->request;
struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
struct scsi_qla_host *ha = to_qla_host(host);
switch (bsg_req->msgcode) {
case ISCSI_BSG_HST_VENDOR:
return qla4xxx_process_vendor_specific(bsg_job);
default:
ql4_printk(KERN_ERR, ha, "%s: invalid BSG command: 0x%x\n",
__func__, bsg_req->msgcode);
}
return -ENOSYS;
}
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