- 根目录:
- drivers
- scsi
- qla2xxx
- qla_bsg.c
/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2011 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
#include <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
/* BSG support for ELS/CT pass through */
inline srb_t *
qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
struct srb_ctx *ctx;
sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
if (!sp)
goto done;
ctx = kzalloc(size, GFP_KERNEL);
if (!ctx) {
mempool_free(sp, ha->srb_mempool);
sp = NULL;
goto done;
}
memset(sp, 0, sizeof(*sp));
sp->fcport = fcport;
sp->ctx = ctx;
done:
return sp;
}
int
qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
{
int i, ret, num_valid;
uint8_t *bcode;
struct qla_fcp_prio_entry *pri_entry;
uint32_t *bcode_val_ptr, bcode_val;
ret = 1;
num_valid = 0;
bcode = (uint8_t *)pri_cfg;
bcode_val_ptr = (uint32_t *)pri_cfg;
bcode_val = (uint32_t)(*bcode_val_ptr);
if (bcode_val == 0xFFFFFFFF) {
/* No FCP Priority config data in flash */
DEBUG2(printk(KERN_INFO
"%s: No FCP priority config data.\n",
__func__));
return 0;
}
if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
bcode[3] != 'S') {
/* Invalid FCP priority data header*/
DEBUG2(printk(KERN_ERR
"%s: Invalid FCP Priority data header. bcode=0x%x\n",
__func__, bcode_val));
return 0;
}
if (flag != 1)
return ret;
pri_entry = &pri_cfg->entry[0];
for (i = 0; i < pri_cfg->num_entries; i++) {
if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
num_valid++;
pri_entry++;
}
if (num_valid == 0) {
/* No valid FCP priority data entries */
DEBUG2(printk(KERN_ERR
"%s: No valid FCP Priority data entries.\n",
__func__));
ret = 0;
} else {
/* FCP priority data is valid */
DEBUG2(printk(KERN_INFO
"%s: Valid FCP priority data. num entries = %d\n",
__func__, num_valid));
}
return ret;
}
static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int ret = 0;
uint32_t len;
uint32_t oper;
bsg_job->reply->reply_payload_rcv_len = 0;
if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
ret = -EBUSY;
goto exit_fcp_prio_cfg;
}
/* Get the sub command */
oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
/* Only set config is allowed if config memory is not allocated */
if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
switch (oper) {
case QLFC_FCP_PRIO_DISABLE:
if (ha->flags.fcp_prio_enabled) {
ha->flags.fcp_prio_enabled = 0;
ha->fcp_prio_cfg->attributes &=
~FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
break;
case QLFC_FCP_PRIO_ENABLE:
if (!ha->flags.fcp_prio_enabled) {
if (ha->fcp_prio_cfg) {
ha->flags.fcp_prio_enabled = 1;
ha->fcp_prio_cfg->attributes |=
FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
}
break;
case QLFC_FCP_PRIO_GET_CONFIG:
len = bsg_job->reply_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
bsg_job->reply->result = DID_OK;
bsg_job->reply->reply_payload_rcv_len =
sg_copy_from_buffer(
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
len);
break;
case QLFC_FCP_PRIO_SET_CONFIG:
len = bsg_job->request_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
if (!ha->fcp_prio_cfg) {
ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
if (!ha->fcp_prio_cfg) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory "
"for fcp prio config data (%x).\n",
FCP_PRIO_CFG_SIZE);
bsg_job->reply->result = (DID_ERROR << 16);
ret = -ENOMEM;
goto exit_fcp_prio_cfg;
}
}
memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
FCP_PRIO_CFG_SIZE);
/* validate fcp priority data */
if (!qla24xx_fcp_prio_cfg_valid(
(struct qla_fcp_prio_cfg *)
ha->fcp_prio_cfg, 1)) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
/* If buffer was invalidatic int
* fcp_prio_cfg is of no use
*/
vfree(ha->fcp_prio_cfg);
ha->fcp_prio_cfg = NULL;
goto exit_fcp_prio_cfg;
}
ha->flags.fcp_prio_enabled = 0;
if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
ha->flags.fcp_prio_enabled = 1;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
break;
default:
ret = -EINVAL;
break;
}
exit_fcp_prio_cfg:
bsg_job->job_done(bsg_job);
return ret;
}
static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
struct fc_rport *rport;
fc_port_t *fcport = NULL;
struct Scsi_Host *host;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
srb_t *sp;
const char *type;
int req_sg_cnt, rsp_sg_cnt;
int rval = (DRIVER_ERROR << 16);
uint16_t nextlid = 0;
struct srb_ctx *els;
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
rport = bsg_job->rport;
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_RPT_ELS";
} else {
host = bsg_job->shost;
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_HST_ELS_NOLOGIN";
}
/* pass through is supported only for ISP 4Gb or higher */
if (!IS_FWI2_CAPABLE(ha)) {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld):ELS passthru not supported for ISP23xx based "
"adapters\n", vha->host_no));
rval = -EPERM;
goto done;
}
/* Multiple SG's are not supported for ELS requests */
if (bsg_job->request_payload.sg_cnt > 1 ||
bsg_job->reply_payload.sg_cnt > 1) {
DEBUG2(printk(KERN_INFO
"multiple SG's are not supported for ELS requests"
" [request_sg_cnt: %x reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt,
bsg_job->reply_payload.sg_cnt));
rval = -EPERM;
goto done;
}
/* ELS request for rport */
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
/* make sure the rport is logged in,
* if not perform fabric login
*/
if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"failed to login port %06X for ELS passthru\n",
fcport->d_id.b24));
rval = -EIO;
goto done;
}
} else {
/* Allocate a dummy fcport structure, since functions
* preparing the IOCB and mailbox command retrieves port
* specific information from fcport structure. For Host based
* ELS commands there will be no fcport structure allocated
*/
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (!fcport) {
rval = -ENOMEM;
goto done;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa =
bsg_job->request->rqst_data.h_els.port_id[0];
fcport->d_id.b.area =
bsg_job->request->rqst_data.h_els.port_id[1];
fcport->d_id.b.domain =
bsg_job->request->rqst_data.h_els.port_id[2];
fcport->loop_id =
(fcport->d_id.b.al_pa == 0xFD) ?
NPH_FABRIC_CONTROLLER : NPH_F_PORT;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done;
}
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts \
[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, req_sg_cnt,
bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
/* Alloc SRB structure */
sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
if (!sp) {
rval = -ENOMEM;
goto done_unmap_sg;
}
els = sp->ctx;
els->type =
(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
els->name =
(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
"bsg_els_rpt" : "bsg_els_hst");
els->u.bsg_job = bsg_job;
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
bsg_job->request->rqst_data.h_els.command_code,
fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa));
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_unmap_sg;
}
return rval;
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
goto done_free_fcport;
done_free_fcport:
if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
kfree(fcport);
done:
return rval;
}
static int
qla2x00_process_ct(struct fc_bsg_job *bsg_job)
{
srb_t *sp;
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DRIVER_ERROR << 16);
int req_sg_cnt, rsp_sg_cnt;
uint16_t loop_id;
struct fc_port *fcport;
char *type = "FC_BSG_HST_CT";
struct srb_ctx *ct;
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
rval = -ENOMEM;
goto done;
}
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
rval = -ENOMEM;
goto done;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, req_sg_cnt,
bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done_unmap_sg;
}
loop_id =
(bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
>> 24;
switch (loop_id) {
case 0xFC:
loop_id = cpu_to_le16(NPH_SNS);
break;
case 0xFA:
loop_id = vha->mgmt_svr_loop_id;
break;
default:
DEBUG2(qla_printk(KERN_INFO, ha,
"Unknown loop id: %x\n", loop_id));
rval = -EINVAL;
goto done_unmap_sg;
}
/* Allocate a dummy fcport structure, since functions preparing the
* IOCB and mailbox command retrieves port specific information
* from fcport structure. For Host based ELS commands there will be
* no fcport structure allocated
*/
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (!fcport) {
rval = -ENOMEM;
goto done_unmap_sg;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
fcport->loop_id = loop_id;
/* Alloc SRB structure */
sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
if (!sp) {
rval = -ENOMEM;
goto done_free_fcport;
}
ct = sp->ctx;
ct->type = SRB_CT_CMD;
ct->name = "bsg_ct";
ct->u.bsg_job = bsg_job;
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
(bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa));
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_free_fcport;
}
return rval;
done_free_fcport:
kfree(fcport);
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done:
return rval;
}
/* Set the port configuration to enable the
* internal loopback on ISP81XX
*/
static inline int
qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
uint16_t *new_config)
{
int ret = 0;
int rval = 0;
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha))
goto done_set_internal;
new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
ha->notify_dcbx_comp = 1;
ret = qla81xx_set_port_config(vha, new_config);
if (ret != QLA_SUCCESS) {
DEBUG2(printk(KERN_ERR
"%s(%lu): Set port config failed\n",
__func__, vha->host_no));
ha->notify_dcbx_comp = 0;
rval = -EINVAL;
goto done_set_internal;
}
/* Wait for DCBX complete event */
if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"State change notificaition not received.\n"));
} else
DEBUG2(qla_printk(KERN_INFO, ha,
"State change RECEIVED\n"));
ha->notify_dcbx_comp = 0;
done_set_internal:
return rval;
}
/* Set the port configuration to disable the
* internal loopback on ISP81XX
*/
static inline int
qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
int wait)
{
int ret = 0;
int rval = 0;
uint16_t new_config[4];
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha))
goto done_reset_internal;
memset(new_config, 0 , sizeof(new_config));
if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
ENABLE_INTERNAL_LOOPBACK) {
new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
ha->notify_dcbx_comp = wait;
ret = qla81xx_set_port_config(vha, new_config);
if (ret != QLA_SUCCESS) {
DEBUG2(printk(KERN_ERR
"%s(%lu): Set port config failed\n",
__func__, vha->host_no));
ha->notify_dcbx_comp = 0;
rval = -EINVAL;
goto done_reset_internal;
}
/* Wait for DCBX complete event */
if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
(20 * HZ))) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"State change notificaition not received.\n"));
ha->notify_dcbx_comp = 0;
rval = -EINVAL;
goto done_reset_internal;
} else
DEBUG2(qla_printk(KERN_INFO, ha,
"State change RECEIVED\n"));
ha->notify_dcbx_comp = 0;
}
done_reset_internal:
return rval;
}
static int
qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval;
uint8_t command_sent;
char *type;
struct msg_echo_lb elreq;
uint16_t response[MAILBOX_REGISTER_COUNT];
uint16_t config[4], new_config[4];
uint8_t *fw_sts_ptr;
uint8_t *req_data = NULL;
dma_addr_t req_data_dma;
uint32_t req_data_len;
uint8_t *rsp_data = NULL;
dma_addr_t rsp_data_dma;
uint32_t rsp_data_len;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
return -EBUSY;
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha, "host not online\n"));
return -EIO;
}
elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
DMA_TO_DEVICE);
if (!elreq.req_sg_cnt)
return -ENOMEM;
elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
DMA_FROM_DEVICE);
if (!elreq.rsp_sg_cnt) {
rval = -ENOMEM;
goto done_unmap_req_sg;
}
if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts "
"[request_sg_cnt: %x dma_request_sg_cnt: %x "
"reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
&req_data_dma, GFP_KERNEL);
if (!req_data) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for req_data "
"failed for host=%lu\n", __func__, vha->host_no));
rval = -ENOMEM;
goto done_unmap_sg;
}
rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
&rsp_data_dma, GFP_KERNEL);
if (!rsp_data) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for rsp_data "
"failed for host=%lu\n", __func__, vha->host_no));
rval = -ENOMEM;
goto done_free_dma_req;
}
/* Copy the request buffer in req_data now */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data, req_data_len);
elreq.send_dma = req_data_dma;
elreq.rcv_dma = rsp_data_dma;
elreq.transfer_size = req_data_len;
elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
if ((ha->current_topology == ISP_CFG_F ||
(IS_QLA81XX(ha) &&
le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
&& req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
elreq.options == EXTERNAL_LOOPBACK) {
type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) bsg rqst type: %s\n", vha->host_no, type));
command_sent = INT_DEF_LB_ECHO_CMD;
rval = qla2x00_echo_test(vha, &elreq, response);
} else {
if (IS_QLA81XX(ha)) {
memset(config, 0, sizeof(config));
memset(new_config, 0, sizeof(new_config));
if (qla81xx_get_port_config(vha, config)) {
DEBUG2(printk(KERN_ERR
"%s(%lu): Get port config failed\n",
__func__, vha->host_no));
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
rval = -EPERM;
goto done_free_dma_req;
}
if (elreq.options != EXTERNAL_LOOPBACK) {
DEBUG2(qla_printk(KERN_INFO, ha,
"Internal: current port config = %x\n",
config[0]));
if (qla81xx_set_internal_loopback(vha, config,
new_config)) {
bsg_job->reply->reply_payload_rcv_len =
0;
bsg_job->reply->result =
(DID_ERROR << 16);
rval = -EPERM;
goto done_free_dma_req;
}
} else {
/* For external loopback to work
* ensure internal loopback is disabled
*/
if (qla81xx_reset_internal_loopback(vha,
config, 1)) {
bsg_job->reply->reply_payload_rcv_len =
0;
bsg_job->reply->result =
(DID_ERROR << 16);
rval = -EPERM;
goto done_free_dma_req;
}
}
type = "FC_BSG_HST_VENDOR_LOOPBACK";
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) bsg rqst type: %s\n",
vha->host_no, type));
command_sent = INT_DEF_LB_LOOPBACK_CMD;
rval = qla2x00_loopback_test(vha, &elreq, response);
if (new_config[0]) {
/* Revert back to original port config
* Also clear internal loopback
*/
qla81xx_reset_internal_loopback(vha,
new_config, 0);
}
if (response[0] == MBS_COMMAND_ERROR &&
response[1] == MBS_LB_RESET) {
DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
"ISP\n", __func__, vha->host_no));
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_chip_reset(vha);
/* Also reset the MPI */
if (qla81xx_restart_mpi_firmware(vha) !=
QLA_SUCCESS) {
qla_printk(KERN_INFO, ha,
"MPI reset failed for host%ld.\n",
vha->host_no);
}
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
rval = -EIO;
goto done_free_dma_req;
}
} else {
type = "FC_BSG_HST_VENDOR_LOOPBACK";
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) bsg rqst type: %s\n",
vha->host_no, type));
command_sent = INT_DEF_LB_LOOPBACK_CMD;
rval = qla2x00_loopback_test(vha, &elreq, response);
}
}
if (rval) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request %s failed\n", vha->host_no, type));
fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
sizeof(struct fc_bsg_reply);
memcpy(fw_sts_ptr, response, sizeof(response));
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
rval = 0;
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request %s completed\n", vha->host_no, type));
bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
sizeof(response) + sizeof(uint8_t);
bsg_job->reply->reply_payload_rcv_len =
bsg_job->reply_payload.payload_len;
fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
sizeof(struct fc_bsg_reply);
memcpy(fw_sts_ptr, response, sizeof(response));
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
bsg_job->reply->result = DID_OK;
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, rsp_data,
rsp_data_len);
}
bsg_job->job_done(bsg_job);
dma_free_coherent(&ha->pdev->dev, rsp_data_len,
rsp_data, rsp_data_dma);
done_free_dma_req:
dma_free_coherent(&ha->pdev->dev, req_data_len,
req_data, req_data_dma);
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev,
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done_unmap_req_sg:
dma_unmap_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
return rval;
}
static int
qla84xx_reset(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint32_t flag;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
return -EBUSY;
if (!IS_QLA84XX(ha)) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
"exiting.\n", vha->host_no));
return -EINVAL;
}
flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
if (rval) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx reset failed\n", vha->host_no));
rval = bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx reset completed\n", vha->host_no));
bsg_job->reply->result = DID_OK;
}
bsg_job->job_done(bsg_job);
return rval;
}
static int
qla84xx_updatefw(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct verify_chip_entry_84xx *mn = NULL;
dma_addr_t mn_dma, fw_dma;
void *fw_buf = NULL;
int rval = 0;
uint32_t sg_cnt;
uint32_t data_len;
uint16_t options;
uint32_t flag;
uint32_t fw_ver;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
return -EBUSY;
if (!IS_QLA84XX(ha)) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
"exiting.\n", vha->host_no));
return -EINVAL;
}
sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!sg_cnt)
return -ENOMEM;
if (sg_cnt != bsg_job->request_payload.sg_cnt) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts "
"request_sg_cnt: %x dma_request_sg_cnt: %x ",
bsg_job->request_payload.sg_cnt, sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
data_len = bsg_job->request_payload.payload_len;
fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
&fw_dma, GFP_KERNEL);
if (!fw_buf) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for fw_buf "
"failed for host=%lu\n", __func__, vha->host_no));
rval = -ENOMEM;
goto done_unmap_sg;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, fw_buf, data_len);
mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
if (!mn) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
"failed for host=%lu\n", __func__, vha->host_no));
rval = -ENOMEM;
goto done_free_fw_buf;
}
flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
memset(mn, 0, sizeof(struct access_chip_84xx));
mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
mn->entry_count = 1;
options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
options |= VCO_DIAG_FW;
mn->options = cpu_to_le16(options);
mn->fw_ver = cpu_to_le32(fw_ver);
mn->fw_size = cpu_to_le32(data_len);
mn->fw_seq_size = cpu_to_le32(data_len);
mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
mn->dseg_length = cpu_to_le32(data_len);
mn->data_seg_cnt = cpu_to_le16(1);
rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
if (rval) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx updatefw failed\n", vha->host_no));
rval = bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx updatefw completed\n", vha->host_no));
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_job->reply->result = DID_OK;
}
bsg_job->job_done(bsg_job);
dma_pool_free(ha->s_dma_pool, mn, mn_dma);
done_free_fw_buf:
dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
return rval;
}
static int
qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct access_chip_84xx *mn = NULL;
dma_addr_t mn_dma, mgmt_dma;
void *mgmt_b = NULL;
int rval = 0;
struct qla_bsg_a84_mgmt *ql84_mgmt;
uint32_t sg_cnt;
uint32_t data_len = 0;
uint32_t dma_direction = DMA_NONE;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
return -EBUSY;
if (!IS_QLA84XX(ha)) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, "
"exiting.\n", vha->host_no));
return -EINVAL;
}
ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
sizeof(struct fc_bsg_request));
if (!ql84_mgmt) {
DEBUG2(printk("%s(%ld): mgmt header not provided, exiting.\n",
__func__, vha->host_no));
return -EINVAL;
}
mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
if (!mn) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
"failed for host=%lu\n", __func__, vha->host_no));
return -ENOMEM;
}
memset(mn, 0, sizeof(struct access_chip_84xx));
mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
mn->entry_count = 1;
switch (ql84_mgmt->mgmt.cmd) {
case QLA84_MGMT_READ_MEM:
case QLA84_MGMT_GET_INFO:
sg_cnt = dma_map_sg(&ha->pdev->dev,
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!sg_cnt) {
rval = -ENOMEM;
goto exit_mgmt;
}
dma_direction = DMA_FROM_DEVICE;
if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts "
"reply_sg_cnt: %x dma_reply_sg_cnt: %x\n",
bsg_job->reply_payload.sg_cnt, sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
data_len = bsg_job->reply_payload.payload_len;
mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
&mgmt_dma, GFP_KERNEL);
if (!mgmt_b) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
"failed for host=%lu\n",
__func__, vha->host_no));
rval = -ENOMEM;
goto done_unmap_sg;
}
if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
mn->parameter1 =
cpu_to_le32(
ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
} else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
mn->options = cpu_to_le16(ACO_REQUEST_INFO);
mn->parameter1 =
cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
mn->parameter2 =
cpu_to_le32(
ql84_mgmt->mgmt.mgmtp.u.info.context);
}
break;
case QLA84_MGMT_WRITE_MEM:
sg_cnt = dma_map_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!sg_cnt) {
rval = -ENOMEM;
goto exit_mgmt;
}
dma_direction = DMA_TO_DEVICE;
if (sg_cnt != bsg_job->request_payload.sg_cnt) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts "
"request_sg_cnt: %x dma_request_sg_cnt: %x ",
bsg_job->request_payload.sg_cnt, sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
data_len = bsg_job->request_payload.payload_len;
mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
&mgmt_dma, GFP_KERNEL);
if (!mgmt_b) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b "
"failed for host=%lu\n",
__func__, vha->host_no));
rval = -ENOMEM;
goto done_unmap_sg;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
mn->parameter1 =
cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
break;
case QLA84_MGMT_CHNG_CONFIG:
mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
mn->parameter1 =
cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
mn->parameter2 =
cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
mn->parameter3 =
cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
break;
default:
rval = -EIO;
goto exit_mgmt;
}
if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
mn->dseg_count = cpu_to_le16(1);
mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
}
rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
if (rval) {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx mgmt failed\n", vha->host_no));
rval = bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor "
"request 84xx mgmt completed\n", vha->host_no));
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_job->reply->result = DID_OK;
if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
(ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
bsg_job->reply->reply_payload_rcv_len =
bsg_job->reply_payload.payload_len;
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, mgmt_b,
data_len);
}
}
bsg_job->job_done(bsg_job);
done_unmap_sg:
if (mgmt_b)
dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
if (dma_direction == DMA_TO_DEVICE)
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
else if (dma_direction == DMA_FROM_DEVICE)
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
exit_mgmt:
dma_pool_free(ha->s_dma_pool, mn, mn_dma);
return rval;
}
static int
qla24xx_iidma(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
struct qla_port_param *port_param = NULL;
fc_port_t *fcport = NULL;
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint8_t *rsp_ptr = NULL;
bsg_job->reply->reply_payload_rcv_len = 0;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
return -EBUSY;
if (!IS_IIDMA_CAPABLE(vha->hw)) {
DEBUG2(qla_printk(KERN_WARNING, ha, "%s(%lu): iiDMA not "
"supported\n", __func__, vha->host_no));
return -EINVAL;
}
port_param = (struct qla_port_param *)((char *)bsg_job->request +
sizeof(struct fc_bsg_request));
if (!port_param) {
DEBUG2(printk("%s(%ld): port_param header not provided, "
"exiting.\n", __func__, vha->host_no));
return -EINVAL;
}
if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
DEBUG2(printk(KERN_ERR "%s(%ld): Invalid destination type\n",
__func__, vha->host_no));
return -EINVAL;
}
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->port_type != FCT_TARGET)
continue;
if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
fcport->port_name, sizeof(fcport->port_name)))
continue;
break;
}
if (!fcport) {
DEBUG2(printk(KERN_ERR "%s(%ld): Failed to find port\n",
__func__, vha->host_no));
return -EINVAL;
}
if (atomic_read(&fcport->state) != FCS_ONLINE) {
DEBUG2(printk(KERN_ERR "%s(%ld): Port not online\n",
__func__, vha->host_no));
return -EINVAL;
}
if (fcport->flags & FCF_LOGIN_NEEDED) {
DEBUG2(printk(KERN_ERR "%s(%ld): Remote port not logged in, "
"flags = 0x%x\n",
__func__, vha->host_no, fcport->flags));
return -EINVAL;
}
if (port_param->mode)
rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
port_param->speed, mb);
else
rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
&port_param->speed, mb);
if (rval) {
DEBUG16(printk(KERN_ERR "scsi(%ld): iIDMA cmd failed for "
"%02x%02x%02x%02x%02x%02x%02x%02x -- "
"%04x %x %04x %04x.\n",
vha->host_no, fcport->port_name[0],
fcport->port_name[1],
fcport->port_name[2], fcport->port_name[3],
fcport->port_name[4], fcport->port_name[5],
fcport->port_name[6], fcport->port_name[7], rval,
fcport->fp_speed, mb[0], mb[1]));
rval = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
if (!port_param->mode) {
bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
sizeof(struct qla_port_param);
rsp_ptr = ((uint8_t *)bsg_job->reply) +
sizeof(struct fc_bsg_reply);
memcpy(rsp_ptr, port_param,
sizeof(struct qla_port_param));
}
bsg_job->reply->result = DID_OK;
}
bsg_job->job_done(bsg_job);
return rval;
}
static int
qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, struct qla_hw_data *ha,
uint8_t is_update)
{
uint32_t start = 0;
int valid = 0;
bsg_job->reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
return -EINVAL;
start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
if (start > ha->optrom_size)
return -EINVAL;
if (ha->optrom_state != QLA_SWAITING)
return -EBUSY;
ha->optrom_region_start = start;
if (is_update) {
if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
valid = 1;
else if (start == (ha->flt_region_boot * 4) ||
start == (ha->flt_region_fw * 4))
valid = 1;
else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
IS_QLA8XXX_TYPE(ha))
valid = 1;
if (!valid) {
qla_printk(KERN_WARNING, ha,
"Invalid start region 0x%x/0x%x.\n",
start, bsg_job->request_payload.payload_len);
return -EINVAL;
}
ha->optrom_region_size = start +
bsg_job->request_payload.payload_len > ha->optrom_size ?
ha->optrom_size - start :
bsg_job->request_payload.payload_len;
ha->optrom_state = QLA_SWRITING;
} else {
ha->optrom_region_size = start +
bsg_job->reply_payload.payload_len > ha->optrom_size ?
ha->optrom_size - start :
bsg_job->reply_payload.payload_len;
ha->optrom_state = QLA_SREADING;
}
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
if (!ha->optrom_buffer) {
qla_printk(KERN_WARNING, ha,
"Read: Unable to allocate memory for optrom retrieval "
"(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return -ENOMEM;
}
memset(ha->optrom_buffer, 0, ha->optrom_region_size);
return 0;
}
static int
qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
rval = qla2x00_optrom_setup(bsg_job, ha, 0);
if (rval)
return rval;
ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
ha->optrom_region_size);
bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
bsg_job->reply->result = DID_OK;
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
ha->optrom_state = QLA_SWAITING;
bsg_job->job_done(bsg_job);
return rval;
}
static int
qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
rval = qla2x00_optrom_setup(bsg_job, ha, 1);
if (rval)
return rval;
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
ha->optrom_region_size);
ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
bsg_job->reply->result = DID_OK;
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
ha->optrom_state = QLA_SWAITING;
bsg_job->job_done(bsg_job);
return rval;
}
static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
case QL_VND_LOOPBACK:
return qla2x00_process_loopback(bsg_job);
case QL_VND_A84_RESET:
return qla84xx_reset(bsg_job);
case QL_VND_A84_UPDATE_FW:
return qla84xx_updatefw(bsg_job);
case QL_VND_A84_MGMT_CMD:
return qla84xx_mgmt_cmd(bsg_job);
case QL_VND_IIDMA:
return qla24xx_iidma(bsg_job);
case QL_VND_FCP_PRIO_CFG_CMD:
return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
case QL_VND_READ_FLASH:
return qla2x00_read_optrom(bsg_job);
case QL_VND_UPDATE_FLASH:
return qla2x00_update_optrom(bsg_job);
default:
bsg_job->reply->result = (DID_ERROR << 16);
bsg_job->job_done(bsg_job);
return -ENOSYS;
}
}
int
qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
{
int ret = -EINVAL;
switch (bsg_job->request->msgcode) {
case FC_BSG_RPT_ELS:
case FC_BSG_HST_ELS_NOLOGIN:
ret = qla2x00_process_els(bsg_job);
break;
case FC_BSG_HST_CT:
ret = qla2x00_process_ct(bsg_job);
break;
case FC_BSG_HST_VENDOR:
ret = qla2x00_process_vendor_specific(bsg_job);
break;
case FC_BSG_HST_ADD_RPORT:
case FC_BSG_HST_DEL_RPORT:
case FC_BSG_RPT_CT:
default:
DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
break;
}
return ret;
}
int
qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
int cnt, que;
unsigned long flags;
struct req_que *req;
struct srb_ctx *sp_bsg;
/* find the bsg job from the active list of commands */
spin_lock_irqsave(&ha->hardware_lock, flags);
for (que = 0; que < ha->max_req_queues; que++) {
req = ha->req_q_map[que];
if (!req)
continue;
for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
sp = req->outstanding_cmds[cnt];
if (sp) {
sp_bsg = sp->ctx;
if (((sp_bsg->type == SRB_CT_CMD) ||
(sp_bsg->type == SRB_ELS_CMD_HST))
&& (sp_bsg->u.bsg_job == bsg_job)) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(sp)) {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld): mbx "
"abort_command failed\n",
vha->host_no));
bsg_job->req->errors =
bsg_job->reply->result = -EIO;
} else {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld): mbx "
"abort_command success\n",
vha->host_no));
bsg_job->req->errors =
bsg_job->reply->result = 0;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
goto done;
}
}
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) SRB not found to abort\n", vha->host_no));
bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
return 0;
done:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (bsg_job->request->msgcode == FC_BSG_HST_CT)
kfree(sp->fcport);
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
return 0;
}