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OpenCloudOS-Kernel/drivers/scsi/qla4xxx/ql4_bsg.c

874 lines
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/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2011-2013 QLogic Corporation
*
* See LICENSE.qla4xxx for copyright and licensing details.
*/
#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
* @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
* @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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