514 lines
14 KiB
C
514 lines
14 KiB
C
/*
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
|
|
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;
|
|
}
|