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linux/drivers/scsi/qla2xxx/qla_bsg.c
Shreyas Deodhar 00eca15319 scsi: qla2xxx: Pointer may be dereferenced 
Klocwork tool reported pointer 'rport' returned from call to function
fc_bsg_to_rport() may be NULL and will be dereferenced.

Add a fix to validate rport before dereferencing.

Cc: stable@vger.kernel.org
Signed-off-by: Shreyas Deodhar <sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230607113843.37185-7-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-06-14 22:06:02 -04:00

3171 lines
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// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2014 QLogic Corporation
*/
#include "qla_def.h"
#include "qla_gbl.h"
#include <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/bsg-lib.h>
static void qla2xxx_free_fcport_work(struct work_struct *work)
{
struct fc_port *fcport = container_of(work, typeof(*fcport),
free_work);
qla2x00_free_fcport(fcport);
}
/* BSG support for ELS/CT pass through */
void qla2x00_bsg_job_done(srb_t *sp, int res)
{
struct bsg_job *bsg_job = sp->u.bsg_job;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
ql_dbg(ql_dbg_user, sp->vha, 0x7009,
"%s: sp hdl %x, result=%x bsg ptr %p\n",
__func__, sp->handle, res, bsg_job);
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
bsg_reply->result = res;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
}
void qla2x00_bsg_sp_free(srb_t *sp)
{
struct qla_hw_data *ha = sp->vha->hw;
struct bsg_job *bsg_job = sp->u.bsg_job;
struct fc_bsg_request *bsg_request = bsg_job->request;
struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
if (sp->type == SRB_FXIOCB_BCMD) {
piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
&bsg_request->rqst_data.h_vendor.vendor_cmd[1];
if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
dma_unmap_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
dma_unmap_sg(&ha->pdev->dev,
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
} else {
if (sp->remap.remapped) {
dma_pool_free(ha->purex_dma_pool, sp->remap.rsp.buf,
sp->remap.rsp.dma);
dma_pool_free(ha->purex_dma_pool, sp->remap.req.buf,
sp->remap.req.dma);
} else {
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);
}
}
if (sp->type == SRB_CT_CMD ||
sp->type == SRB_FXIOCB_BCMD ||
sp->type == SRB_ELS_CMD_HST) {
INIT_WORK(&sp->fcport->free_work, qla2xxx_free_fcport_work);
queue_work(ha->wq, &sp->fcport->free_work);
}
qla2x00_rel_sp(sp);
}
int
qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
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 */
ql_dbg(ql_dbg_user, vha, 0x7051,
"No FCP Priority config data.\n");
return 0;
}
if (memcmp(bcode, "HQOS", 4)) {
/* Invalid FCP priority data header*/
ql_dbg(ql_dbg_user, vha, 0x7052,
"Invalid FCP Priority data header. bcode=0x%x.\n",
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 */
ql_dbg(ql_dbg_user, vha, 0x7053,
"No valid FCP Priority data entries.\n");
ret = 0;
} else {
/* FCP priority data is valid */
ql_dbg(ql_dbg_user, vha, 0x7054,
"Valid FCP priority data. num entries = %d.\n",
num_valid);
}
return ret;
}
static int
qla24xx_proc_fcp_prio_cfg_cmd(struct bsg_job *bsg_job)
{
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int ret = 0;
uint32_t len;
uint32_t oper;
if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
/* Get the sub command */
oper = bsg_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_reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_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_reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_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_reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
bsg_reply->result = DID_OK;
bsg_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_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) {
ql_log(ql_log_warn, vha, 0x7050,
"Unable to allocate memory for fcp prio "
"config data (%x).\n", FCP_PRIO_CFG_SIZE);
bsg_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(vha, ha->fcp_prio_cfg, 1)) {
bsg_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_reply->result = DID_OK;
break;
default:
ret = -EINVAL;
break;
}
exit_fcp_prio_cfg:
if (!ret)
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return ret;
}
static int
qla2x00_process_els(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
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 = (DID_ERROR << 16);
uint32_t els_cmd = 0;
int qla_port_allocated = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
rport = fc_bsg_to_rport(bsg_job);
if (!rport) {
rval = -ENOMEM;
goto done;
}
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 = fc_bsg_to_shost(bsg_job);
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_HST_ELS_NOLOGIN";
els_cmd = bsg_request->rqst_data.h_els.command_code;
if (els_cmd == ELS_AUTH_ELS)
return qla_edif_process_els(vha, bsg_job);
}
if (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
rval = -EIO;
goto done;
}
/* pass through is supported only for ISP 4Gb or higher */
if (!IS_FWI2_CAPABLE(ha)) {
ql_dbg(ql_dbg_user, vha, 0x7001,
"ELS passthru not supported for ISP23xx based adapters.\n");
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) {
ql_dbg(ql_dbg_user, vha, 0x7002,
"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_request->msgcode == FC_BSG_RPT_ELS) {
/* make sure the rport is logged in,
* if not perform fabric login
*/
if (atomic_read(&fcport->state) != FCS_ONLINE) {
ql_dbg(ql_dbg_user, vha, 0x7003,
"Port %06X is not online 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;
}
qla_port_allocated = 1;
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->d_id.b.al_pa =
bsg_request->rqst_data.h_els.port_id[0];
fcport->d_id.b.area =
bsg_request->rqst_data.h_els.port_id[1];
fcport->d_id.b.domain =
bsg_request->rqst_data.h_els.port_id[2];
fcport->loop_id =
(fcport->d_id.b.al_pa == 0xFD) ?
NPH_FABRIC_CONTROLLER : NPH_F_PORT;
}
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) {
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
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) {
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
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)) {
ql_log(ql_log_warn, vha, 0x7008,
"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_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
rval = -ENOMEM;
goto done_unmap_sg;
}
sp->type =
(bsg_request->msgcode == FC_BSG_RPT_ELS ?
SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
sp->name =
(bsg_request->msgcode == FC_BSG_RPT_ELS ?
"bsg_els_rpt" : "bsg_els_hst");
sp->u.bsg_job = bsg_job;
sp->free = qla2x00_bsg_sp_free;
sp->done = qla2x00_bsg_job_done;
ql_dbg(ql_dbg_user, vha, 0x700a,
"bsg rqst type: %s els type: %x - loop-id=%x "
"portid=%-2x%02x%02x.\n", type,
bsg_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) {
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
qla2x00_rel_sp(sp);
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 (qla_port_allocated)
qla2x00_free_fcport(fcport);
done:
return rval;
}
static inline uint16_t
qla24xx_calc_ct_iocbs(uint16_t dsds)
{
uint16_t iocbs;
iocbs = 1;
if (dsds > 2) {
iocbs += (dsds - 2) / 5;
if ((dsds - 2) % 5)
iocbs++;
}
return iocbs;
}
static int
qla2x00_process_ct(struct bsg_job *bsg_job)
{
srb_t *sp;
struct fc_bsg_request *bsg_request = bsg_job->request;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DID_ERROR << 16);
int req_sg_cnt, rsp_sg_cnt;
uint16_t loop_id;
struct fc_port *fcport;
char *type = "FC_BSG_HST_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) {
ql_log(ql_log_warn, vha, 0x700f,
"dma_map_sg return %d for request\n", 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) {
ql_log(ql_log_warn, vha, 0x7010,
"dma_map_sg return %d for reply\n", 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)) {
ql_log(ql_log_warn, vha, 0x7011,
"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) {
ql_log(ql_log_warn, vha, 0x7012,
"Host is not online.\n");
rval = -EIO;
goto done_unmap_sg;
}
loop_id =
(bsg_request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
>> 24;
switch (loop_id) {
case 0xFC:
loop_id = NPH_SNS;
break;
case 0xFA:
loop_id = vha->mgmt_svr_loop_id;
break;
default:
ql_dbg(ql_dbg_user, vha, 0x7013,
"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) {
ql_log(ql_log_warn, vha, 0x7014,
"Failed to allocate fcport.\n");
rval = -ENOMEM;
goto done_unmap_sg;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->d_id.b.al_pa = bsg_request->rqst_data.h_ct.port_id[0];
fcport->d_id.b.area = bsg_request->rqst_data.h_ct.port_id[1];
fcport->d_id.b.domain = bsg_request->rqst_data.h_ct.port_id[2];
fcport->loop_id = loop_id;
/* Alloc SRB structure */
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
ql_log(ql_log_warn, vha, 0x7015,
"qla2x00_get_sp failed.\n");
rval = -ENOMEM;
goto done_free_fcport;
}
sp->type = SRB_CT_CMD;
sp->name = "bsg_ct";
sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
sp->u.bsg_job = bsg_job;
sp->free = qla2x00_bsg_sp_free;
sp->done = qla2x00_bsg_job_done;
ql_dbg(ql_dbg_user, vha, 0x7016,
"bsg rqst type: %s else type: %x - "
"loop-id=%x portid=%02x%02x%02x.\n", type,
(bsg_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) {
ql_log(ql_log_warn, vha, 0x7017,
"qla2x00_start_sp failed=%d.\n", rval);
qla2x00_rel_sp(sp);
rval = -EIO;
goto done_free_fcport;
}
return rval;
done_free_fcport:
qla2x00_free_fcport(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;
}
/* Disable loopback mode */
static inline int
qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
int wait, int wait2)
{
int ret = 0;
int rval = 0;
uint16_t new_config[4];
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
goto done_reset_internal;
memset(new_config, 0 , sizeof(new_config));
if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
ENABLE_INTERNAL_LOOPBACK ||
(config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
ENABLE_EXTERNAL_LOOPBACK) {
new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
(new_config[0] & INTERNAL_LOOPBACK_MASK));
memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
ha->notify_dcbx_comp = wait;
ha->notify_lb_portup_comp = wait2;
ret = qla81xx_set_port_config(vha, new_config);
if (ret != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7025,
"Set port config failed.\n");
ha->notify_dcbx_comp = 0;
ha->notify_lb_portup_comp = 0;
rval = -EINVAL;
goto done_reset_internal;
}
/* Wait for DCBX complete event */
if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
(DCBX_COMP_TIMEOUT * HZ))) {
ql_dbg(ql_dbg_user, vha, 0x7026,
"DCBX completion not received.\n");
ha->notify_dcbx_comp = 0;
ha->notify_lb_portup_comp = 0;
rval = -EINVAL;
goto done_reset_internal;
} else
ql_dbg(ql_dbg_user, vha, 0x7027,
"DCBX completion received.\n");
if (wait2 &&
!wait_for_completion_timeout(&ha->lb_portup_comp,
(LB_PORTUP_COMP_TIMEOUT * HZ))) {
ql_dbg(ql_dbg_user, vha, 0x70c5,
"Port up completion not received.\n");
ha->notify_lb_portup_comp = 0;
rval = -EINVAL;
goto done_reset_internal;
} else
ql_dbg(ql_dbg_user, vha, 0x70c6,
"Port up completion received.\n");
ha->notify_dcbx_comp = 0;
ha->notify_lb_portup_comp = 0;
}
done_reset_internal:
return rval;
}
/*
* Set the port configuration to enable the internal or external loopback
* depending on the loopback mode.
*/
static inline int
qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
uint16_t *new_config, uint16_t mode)
{
int ret = 0;
int rval = 0;
unsigned long rem_tmo = 0, current_tmo = 0;
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
goto done_set_internal;
if (mode == INTERNAL_LOOPBACK)
new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
else if (mode == EXTERNAL_LOOPBACK)
new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
ql_dbg(ql_dbg_user, vha, 0x70be,
"new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
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) {
ql_log(ql_log_warn, vha, 0x7021,
"set port config failed.\n");
ha->notify_dcbx_comp = 0;
rval = -EINVAL;
goto done_set_internal;
}
/* Wait for DCBX complete event */
current_tmo = DCBX_COMP_TIMEOUT * HZ;
while (1) {
rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
current_tmo);
if (!ha->idc_extend_tmo || rem_tmo) {
ha->idc_extend_tmo = 0;
break;
}
current_tmo = ha->idc_extend_tmo * HZ;
ha->idc_extend_tmo = 0;
}
if (!rem_tmo) {
ql_dbg(ql_dbg_user, vha, 0x7022,
"DCBX completion not received.\n");
ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
/*
* If the reset of the loopback mode doesn't work take a FCoE
* dump and reset the chip.
*/
if (ret) {
qla2xxx_dump_fw(vha);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
}
rval = -EINVAL;
} else {
if (ha->flags.idc_compl_status) {
ql_dbg(ql_dbg_user, vha, 0x70c3,
"Bad status in IDC Completion AEN\n");
rval = -EINVAL;
ha->flags.idc_compl_status = 0;
} else
ql_dbg(ql_dbg_user, vha, 0x7023,
"DCBX completion received.\n");
}
ha->notify_dcbx_comp = 0;
ha->idc_extend_tmo = 0;
done_set_internal:
return rval;
}
static int
qla2x00_process_loopback(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
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;
void *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 (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
return -EIO;
}
memset(&elreq, 0, sizeof(elreq));
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) {
ql_log(ql_log_warn, vha, 0x701a,
"dma_map_sg returned %d for request.\n", 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) {
ql_log(ql_log_warn, vha, 0x701b,
"dma_map_sg returned %d for reply.\n", 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)) {
ql_log(ql_log_warn, vha, 0x701c,
"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) {
ql_log(ql_log_warn, vha, 0x701d,
"dma alloc failed for req_data.\n");
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) {
ql_log(ql_log_warn, vha, 0x7004,
"dma alloc failed for rsp_data.\n");
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_request->rqst_data.h_vendor.vendor_cmd[1];
elreq.iteration_count =
bsg_request->rqst_data.h_vendor.vendor_cmd[2];
if (atomic_read(&vha->loop_state) == LOOP_READY &&
((ha->current_topology == ISP_CFG_F && (elreq.options & 7) >= 2) ||
((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) &&
get_unaligned_le32(req_data) == ELS_OPCODE_BYTE &&
req_data_len == MAX_ELS_FRAME_PAYLOAD &&
elreq.options == EXTERNAL_LOOPBACK))) {
type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
ql_dbg(ql_dbg_user, vha, 0x701e,
"BSG request type: %s.\n", type);
command_sent = INT_DEF_LB_ECHO_CMD;
rval = qla2x00_echo_test(vha, &elreq, response);
} else {
if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
memset(config, 0, sizeof(config));
memset(new_config, 0, sizeof(new_config));
if (qla81xx_get_port_config(vha, config)) {
ql_log(ql_log_warn, vha, 0x701f,
"Get port config failed.\n");
rval = -EPERM;
goto done_free_dma_rsp;
}
if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
ql_dbg(ql_dbg_user, vha, 0x70c4,
"Loopback operation already in "
"progress.\n");
rval = -EAGAIN;
goto done_free_dma_rsp;
}
ql_dbg(ql_dbg_user, vha, 0x70c0,
"elreq.options=%04x\n", elreq.options);
if (elreq.options == EXTERNAL_LOOPBACK)
if (IS_QLA8031(ha) || IS_QLA8044(ha))
rval = qla81xx_set_loopback_mode(vha,
config, new_config, elreq.options);
else
rval = qla81xx_reset_loopback_mode(vha,
config, 1, 0);
else
rval = qla81xx_set_loopback_mode(vha, config,
new_config, elreq.options);
if (rval) {
rval = -EPERM;
goto done_free_dma_rsp;
}
type = "FC_BSG_HST_VENDOR_LOOPBACK";
ql_dbg(ql_dbg_user, vha, 0x7028,
"BSG request type: %s.\n", type);
command_sent = INT_DEF_LB_LOOPBACK_CMD;
rval = qla2x00_loopback_test(vha, &elreq, response);
if (response[0] == MBS_COMMAND_ERROR &&
response[1] == MBS_LB_RESET) {
ql_log(ql_log_warn, vha, 0x7029,
"MBX command error, Aborting ISP.\n");
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_chip_reset(vha);
/* Also reset the MPI */
if (IS_QLA81XX(ha)) {
if (qla81xx_restart_mpi_firmware(vha) !=
QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x702a,
"MPI reset failed.\n");
}
}
rval = -EIO;
goto done_free_dma_rsp;
}
if (new_config[0]) {
int ret;
/* Revert back to original port config
* Also clear internal loopback
*/
ret = qla81xx_reset_loopback_mode(vha,
new_config, 0, 1);
if (ret) {
/*
* If the reset of the loopback mode
* doesn't work take FCoE dump and then
* reset the chip.
*/
qla2xxx_dump_fw(vha);
set_bit(ISP_ABORT_NEEDED,
&vha->dpc_flags);
}
}
} else {
type = "FC_BSG_HST_VENDOR_LOOPBACK";
ql_dbg(ql_dbg_user, vha, 0x702b,
"BSG request type: %s.\n", type);
command_sent = INT_DEF_LB_LOOPBACK_CMD;
rval = qla2x00_loopback_test(vha, &elreq, response);
}
}
if (rval) {
ql_log(ql_log_warn, vha, 0x702c,
"Vendor request %s failed.\n", type);
rval = 0;
bsg_reply->result = (DID_ERROR << 16);
bsg_reply->reply_payload_rcv_len = 0;
} else {
ql_dbg(ql_dbg_user, vha, 0x702d,
"Vendor request %s completed.\n", type);
bsg_reply->result = (DID_OK << 16);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, rsp_data,
rsp_data_len);
}
bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
sizeof(response) + sizeof(uint8_t);
fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), response,
sizeof(response));
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
done_free_dma_rsp:
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);
if (!rval)
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return rval;
}
static int
qla84xx_reset(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint32_t flag;
if (!IS_QLA84XX(ha)) {
ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
return -EINVAL;
}
flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
if (rval) {
ql_log(ql_log_warn, vha, 0x7030,
"Vendor request 84xx reset failed.\n");
rval = (DID_ERROR << 16);
} else {
ql_dbg(ql_dbg_user, vha, 0x7031,
"Vendor request 84xx reset completed.\n");
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
}
return rval;
}
static int
qla84xx_updatefw(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
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 (!IS_QLA84XX(ha)) {
ql_dbg(ql_dbg_user, vha, 0x7032,
"Not 84xx, exiting.\n");
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) {
ql_log(ql_log_warn, vha, 0x7033,
"dma_map_sg returned %d for request.\n", sg_cnt);
return -ENOMEM;
}
if (sg_cnt != bsg_job->request_payload.sg_cnt) {
ql_log(ql_log_warn, vha, 0x7034,
"DMA mapping resulted in different sg counts, "
"request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
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) {
ql_log(ql_log_warn, vha, 0x7035,
"DMA alloc failed for fw_buf.\n");
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_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
if (!mn) {
ql_log(ql_log_warn, vha, 0x7036,
"DMA alloc failed for fw buffer.\n");
rval = -ENOMEM;
goto done_free_fw_buf;
}
flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
fw_ver = get_unaligned_le32((uint32_t *)fw_buf + 2);
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);
put_unaligned_le64(fw_dma, &mn->dsd.address);
mn->dsd.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) {
ql_log(ql_log_warn, vha, 0x7037,
"Vendor request 84xx updatefw failed.\n");
rval = (DID_ERROR << 16);
} else {
ql_dbg(ql_dbg_user, vha, 0x7038,
"Vendor request 84xx updatefw completed.\n");
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK;
}
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);
if (!rval)
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return rval;
}
static int
qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
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 (!IS_QLA84XX(ha)) {
ql_log(ql_log_warn, vha, 0x703a,
"Not 84xx, exiting.\n");
return -EINVAL;
}
mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
if (!mn) {
ql_log(ql_log_warn, vha, 0x703c,
"DMA alloc failed for fw buffer.\n");
return -ENOMEM;
}
mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
mn->entry_count = 1;
ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
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) {
ql_log(ql_log_warn, vha, 0x703d,
"dma_map_sg returned %d for reply.\n", sg_cnt);
rval = -ENOMEM;
goto exit_mgmt;
}
dma_direction = DMA_FROM_DEVICE;
if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
ql_log(ql_log_warn, vha, 0x703e,
"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) {
ql_log(ql_log_warn, vha, 0x703f,
"DMA alloc failed for mgmt_b.\n");
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) {
ql_log(ql_log_warn, vha, 0x7040,
"dma_map_sg returned %d.\n", sg_cnt);
rval = -ENOMEM;
goto exit_mgmt;
}
dma_direction = DMA_TO_DEVICE;
if (sg_cnt != bsg_job->request_payload.sg_cnt) {
ql_log(ql_log_warn, vha, 0x7041,
"DMA mapping resulted in different sg counts, "
"request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
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) {
ql_log(ql_log_warn, vha, 0x7042,
"DMA alloc failed for mgmt_b.\n");
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);
put_unaligned_le64(mgmt_dma, &mn->dsd.address);
mn->dsd.length = cpu_to_le32(ql84_mgmt->mgmt.len);
}
rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
if (rval) {
ql_log(ql_log_warn, vha, 0x7043,
"Vendor request 84xx mgmt failed.\n");
rval = (DID_ERROR << 16);
} else {
ql_dbg(ql_dbg_user, vha, 0x7044,
"Vendor request 84xx mgmt completed.\n");
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK;
if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
(ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
bsg_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);
}
}
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);
if (!rval)
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return rval;
}
static int
qla24xx_iidma(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_port_param *port_param = NULL;
fc_port_t *fcport = NULL;
int found = 0;
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint8_t *rsp_ptr = NULL;
if (!IS_IIDMA_CAPABLE(vha->hw)) {
ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
return -EINVAL;
}
port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
ql_log(ql_log_warn, vha, 0x7048,
"Invalid destination type.\n");
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;
found = 1;
break;
}
if (!found) {
ql_log(ql_log_warn, vha, 0x7049,
"Failed to find port.\n");
return -EINVAL;
}
if (atomic_read(&fcport->state) != FCS_ONLINE) {
ql_log(ql_log_warn, vha, 0x704a,
"Port is not online.\n");
return -EINVAL;
}
if (fcport->flags & FCF_LOGIN_NEEDED) {
ql_log(ql_log_warn, vha, 0x704b,
"Remote port not logged in flags = 0x%x.\n", 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) {
ql_log(ql_log_warn, vha, 0x704c,
"iiDMA cmd failed for %8phN -- "
"%04x %x %04x %04x.\n", fcport->port_name,
rval, fcport->fp_speed, mb[0], mb[1]);
rval = (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_reply) +
sizeof(struct fc_bsg_reply);
memcpy(rsp_ptr, port_param,
sizeof(struct qla_port_param));
}
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
}
return rval;
}
static int
qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
uint8_t is_update)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
uint32_t start = 0;
int valid = 0;
struct qla_hw_data *ha = vha->hw;
if (unlikely(pci_channel_offline(ha->pdev)))
return -EINVAL;
start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
if (start > ha->optrom_size) {
ql_log(ql_log_warn, vha, 0x7055,
"start %d > optrom_size %d.\n", start, ha->optrom_size);
return -EINVAL;
}
if (ha->optrom_state != QLA_SWAITING) {
ql_log(ql_log_info, vha, 0x7056,
"optrom_state %d.\n", ha->optrom_state);
return -EBUSY;
}
ha->optrom_region_start = start;
ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
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_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha))
valid = 1;
if (!valid) {
ql_log(ql_log_warn, vha, 0x7058,
"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 = vzalloc(ha->optrom_region_size);
if (!ha->optrom_buffer) {
ql_log(ql_log_warn, vha, 0x7059,
"Read: Unable to allocate memory for optrom retrieval "
"(%x)\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return -ENOMEM;
}
return 0;
}
static int
qla2x00_read_optrom(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
if (ha->flags.nic_core_reset_hdlr_active)
return -EBUSY;
mutex_lock(&ha->optrom_mutex);
rval = qla2x00_optrom_setup(bsg_job, vha, 0);
if (rval) {
mutex_unlock(&ha->optrom_mutex);
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_reply->reply_payload_rcv_len = ha->optrom_region_size;
bsg_reply->result = DID_OK;
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
ha->optrom_state = QLA_SWAITING;
mutex_unlock(&ha->optrom_mutex);
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return rval;
}
static int
qla2x00_update_optrom(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
mutex_lock(&ha->optrom_mutex);
rval = qla2x00_optrom_setup(bsg_job, vha, 1);
if (rval) {
mutex_unlock(&ha->optrom_mutex);
return rval;
}
/* Set the isp82xx_no_md_cap not to capture minidump */
ha->flags.isp82xx_no_md_cap = 1;
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
ha->optrom_region_size);
rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
if (rval) {
bsg_reply->result = -EINVAL;
rval = -EINVAL;
} else {
bsg_reply->result = DID_OK;
}
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
ha->optrom_state = QLA_SWAITING;
mutex_unlock(&ha->optrom_mutex);
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return rval;
}
static int
qla2x00_update_fru_versions(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint8_t bsg[DMA_POOL_SIZE];
struct qla_image_version_list *list = (void *)bsg;
struct qla_image_version *image;
uint32_t count;
dma_addr_t sfp_dma;
void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
if (!sfp) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_NO_MEMORY;
goto done;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
image = list->version;
count = list->count;
while (count--) {
memcpy(sfp, &image->field_info, sizeof(image->field_info));
rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
image->field_address.device, image->field_address.offset,
sizeof(image->field_info), image->field_address.option);
if (rval) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_MAILBOX;
goto dealloc;
}
image++;
}
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
dealloc:
dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
done:
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_read_fru_status(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint8_t bsg[DMA_POOL_SIZE];
struct qla_status_reg *sr = (void *)bsg;
dma_addr_t sfp_dma;
uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
if (!sfp) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_NO_MEMORY;
goto done;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
sr->field_address.device, sr->field_address.offset,
sizeof(sr->status_reg), sr->field_address.option);
sr->status_reg = *sfp;
if (rval) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_MAILBOX;
goto dealloc;
}
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
dealloc:
dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
done:
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->reply_payload_rcv_len = sizeof(*sr);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_write_fru_status(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint8_t bsg[DMA_POOL_SIZE];
struct qla_status_reg *sr = (void *)bsg;
dma_addr_t sfp_dma;
uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
if (!sfp) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_NO_MEMORY;
goto done;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
*sfp = sr->status_reg;
rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
sr->field_address.device, sr->field_address.offset,
sizeof(sr->status_reg), sr->field_address.option);
if (rval) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_MAILBOX;
goto dealloc;
}
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
dealloc:
dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
done:
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_write_i2c(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint8_t bsg[DMA_POOL_SIZE];
struct qla_i2c_access *i2c = (void *)bsg;
dma_addr_t sfp_dma;
uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
if (!sfp) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_NO_MEMORY;
goto done;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
memcpy(sfp, i2c->buffer, i2c->length);
rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
i2c->device, i2c->offset, i2c->length, i2c->option);
if (rval) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_MAILBOX;
goto dealloc;
}
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
dealloc:
dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
done:
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_read_i2c(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
uint8_t bsg[DMA_POOL_SIZE];
struct qla_i2c_access *i2c = (void *)bsg;
dma_addr_t sfp_dma;
uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
if (!sfp) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_NO_MEMORY;
goto done;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
i2c->device, i2c->offset, i2c->length, i2c->option);
if (rval) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_MAILBOX;
goto dealloc;
}
memcpy(i2c->buffer, sfp, i2c->length);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
dealloc:
dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
done:
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
uint32_t rval = EXT_STATUS_OK;
uint16_t req_sg_cnt = 0;
uint16_t rsp_sg_cnt = 0;
uint16_t nextlid = 0;
uint32_t tot_dsds;
srb_t *sp = NULL;
uint32_t req_data_len;
uint32_t rsp_data_len;
/* Check the type of the adapter */
if (!IS_BIDI_CAPABLE(ha)) {
ql_log(ql_log_warn, vha, 0x70a0,
"This adapter is not supported\n");
rval = EXT_STATUS_NOT_SUPPORTED;
goto done;
}
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)) {
rval = EXT_STATUS_BUSY;
goto done;
}
/* Check if host is online */
if (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x70a1,
"Host is not online\n");
rval = EXT_STATUS_DEVICE_OFFLINE;
goto done;
}
/* Check if cable is plugged in or not */
if (vha->device_flags & DFLG_NO_CABLE) {
ql_log(ql_log_warn, vha, 0x70a2,
"Cable is unplugged...\n");
rval = EXT_STATUS_INVALID_CFG;
goto done;
}
/* Check if the switch is connected or not */
if (ha->current_topology != ISP_CFG_F) {
ql_log(ql_log_warn, vha, 0x70a3,
"Host is not connected to the switch\n");
rval = EXT_STATUS_INVALID_CFG;
goto done;
}
/* Check if operating mode is P2P */
if (ha->operating_mode != P2P) {
ql_log(ql_log_warn, vha, 0x70a4,
"Host operating mode is not P2p\n");
rval = EXT_STATUS_INVALID_CFG;
goto done;
}
mutex_lock(&ha->selflogin_lock);
if (vha->self_login_loop_id == 0) {
/* Initialize all required fields of fcport */
vha->bidir_fcport.vha = vha;
vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
vha->bidir_fcport.loop_id = vha->loop_id;
if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
ql_log(ql_log_warn, vha, 0x70a7,
"Failed to login port %06X for bidirectional IOCB\n",
vha->bidir_fcport.d_id.b24);
mutex_unlock(&ha->selflogin_lock);
rval = EXT_STATUS_MAILBOX;
goto done;
}
vha->self_login_loop_id = nextlid - 1;
}
/* Assign the self login loop id to fcport */
mutex_unlock(&ha->selflogin_lock);
vha->bidir_fcport.loop_id = vha->self_login_loop_id;
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 = EXT_STATUS_NO_MEMORY;
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 = EXT_STATUS_NO_MEMORY;
goto done_unmap_req_sg;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
ql_dbg(ql_dbg_user, vha, 0x70a9,
"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 = EXT_STATUS_NO_MEMORY;
goto done_unmap_sg;
}
req_data_len = bsg_job->request_payload.payload_len;
rsp_data_len = bsg_job->reply_payload.payload_len;
if (req_data_len != rsp_data_len) {
rval = EXT_STATUS_BUSY;
ql_log(ql_log_warn, vha, 0x70aa,
"req_data_len != rsp_data_len\n");
goto done_unmap_sg;
}
/* Alloc SRB structure */
sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
if (!sp) {
ql_dbg(ql_dbg_user, vha, 0x70ac,
"Alloc SRB structure failed\n");
rval = EXT_STATUS_NO_MEMORY;
goto done_unmap_sg;
}
/*Populate srb->ctx with bidir ctx*/
sp->u.bsg_job = bsg_job;
sp->free = qla2x00_bsg_sp_free;
sp->type = SRB_BIDI_CMD;
sp->done = qla2x00_bsg_job_done;
/* Add the read and write sg count */
tot_dsds = rsp_sg_cnt + req_sg_cnt;
rval = qla2x00_start_bidir(sp, vha, tot_dsds);
if (rval != EXT_STATUS_OK)
goto done_free_srb;
/* the bsg request will be completed in the interrupt handler */
return rval;
done_free_srb:
mempool_free(sp, ha->srb_mempool);
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);
done:
/* Return an error vendor specific response
* and complete the bsg request
*/
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->reply_payload_rcv_len = 0;
bsg_reply->result = (DID_OK) << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
/* Always return success, vendor rsp carries correct status */
return 0;
}
static int
qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DID_ERROR << 16);
struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
srb_t *sp;
int req_sg_cnt = 0, rsp_sg_cnt = 0;
struct fc_port *fcport;
char *type = "FC_BSG_HST_FX_MGMT";
/* Copy the IOCB specific information */
piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
&bsg_request->rqst_data.h_vendor.vendor_cmd[1];
/* Dump the vendor information */
ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
piocb_rqst, sizeof(*piocb_rqst));
if (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x70d0,
"Host is not online.\n");
rval = -EIO;
goto done;
}
if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
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) {
ql_log(ql_log_warn, vha, 0x70c7,
"dma_map_sg return %d for request\n", req_sg_cnt);
rval = -ENOMEM;
goto done;
}
}
if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
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) {
ql_log(ql_log_warn, vha, 0x70c8,
"dma_map_sg return %d for reply\n", rsp_sg_cnt);
rval = -ENOMEM;
goto done_unmap_req_sg;
}
}
ql_dbg(ql_dbg_user, vha, 0x70c9,
"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);
/* 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) {
ql_log(ql_log_warn, vha, 0x70ca,
"Failed to allocate fcport.\n");
rval = -ENOMEM;
goto done_unmap_rsp_sg;
}
/* Alloc SRB structure */
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
ql_log(ql_log_warn, vha, 0x70cb,
"qla2x00_get_sp failed.\n");
rval = -ENOMEM;
goto done_free_fcport;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->loop_id = le32_to_cpu(piocb_rqst->dataword);
sp->type = SRB_FXIOCB_BCMD;
sp->name = "bsg_fx_mgmt";
sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
sp->u.bsg_job = bsg_job;
sp->free = qla2x00_bsg_sp_free;
sp->done = qla2x00_bsg_job_done;
ql_dbg(ql_dbg_user, vha, 0x70cc,
"bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
type, piocb_rqst->func_type, fcport->loop_id);
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x70cd,
"qla2x00_start_sp failed=%d.\n", rval);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_free_fcport;
}
return rval;
done_free_fcport:
qla2x00_free_fcport(fcport);
done_unmap_rsp_sg:
if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
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:
if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
dma_unmap_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
done:
return rval;
}
static int
qla26xx_serdes_op(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_serdes_reg sr;
memset(&sr, 0, sizeof(sr));
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
switch (sr.cmd) {
case INT_SC_SERDES_WRITE_REG:
rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
bsg_reply->reply_payload_rcv_len = 0;
break;
case INT_SC_SERDES_READ_REG:
rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
bsg_reply->reply_payload_rcv_len = sizeof(sr);
break;
default:
ql_dbg(ql_dbg_user, vha, 0x708c,
"Unknown serdes cmd %x.\n", sr.cmd);
rval = -EINVAL;
break;
}
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
rval ? EXT_STATUS_MAILBOX : 0;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla8044_serdes_op(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_serdes_reg_ex sr;
memset(&sr, 0, sizeof(sr));
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
switch (sr.cmd) {
case INT_SC_SERDES_WRITE_REG:
rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
bsg_reply->reply_payload_rcv_len = 0;
break;
case INT_SC_SERDES_READ_REG:
rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
bsg_reply->reply_payload_rcv_len = sizeof(sr);
break;
default:
ql_dbg(ql_dbg_user, vha, 0x7020,
"Unknown serdes cmd %x.\n", sr.cmd);
rval = -EINVAL;
break;
}
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
rval ? EXT_STATUS_MAILBOX : 0;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct qla_flash_update_caps cap;
if (!(IS_QLA27XX(ha)) && !IS_QLA28XX(ha))
return -EPERM;
memset(&cap, 0, sizeof(cap));
cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
(uint64_t)ha->fw_attributes_ext[0] << 32 |
(uint64_t)ha->fw_attributes_h << 16 |
(uint64_t)ha->fw_attributes;
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
bsg_reply->reply_payload_rcv_len = sizeof(cap);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
uint64_t online_fw_attr = 0;
struct qla_flash_update_caps cap;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return -EPERM;
memset(&cap, 0, sizeof(cap));
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
(uint64_t)ha->fw_attributes_ext[0] << 32 |
(uint64_t)ha->fw_attributes_h << 16 |
(uint64_t)ha->fw_attributes;
if (online_fw_attr != cap.capabilities) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_INVALID_PARAM;
return -EINVAL;
}
if (cap.outage_duration < MAX_LOOP_TIMEOUT) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_INVALID_PARAM;
return -EINVAL;
}
bsg_reply->reply_payload_rcv_len = 0;
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct qla_bbcr_data bbcr;
uint16_t loop_id, topo, sw_cap;
uint8_t domain, area, al_pa, state;
int rval;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return -EPERM;
memset(&bbcr, 0, sizeof(bbcr));
if (vha->flags.bbcr_enable)
bbcr.status = QLA_BBCR_STATUS_ENABLED;
else
bbcr.status = QLA_BBCR_STATUS_DISABLED;
if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
&area, &domain, &topo, &sw_cap);
if (rval != QLA_SUCCESS) {
bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
bbcr.state = QLA_BBCR_STATE_OFFLINE;
bbcr.mbx1 = loop_id;
goto done;
}
state = (vha->bbcr >> 12) & 0x1;
if (state) {
bbcr.state = QLA_BBCR_STATE_OFFLINE;
bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
} else {
bbcr.state = QLA_BBCR_STATE_ONLINE;
bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
}
bbcr.configured_bbscn = vha->bbcr & 0xf;
}
done:
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_get_priv_stats(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
struct link_statistics *stats = NULL;
dma_addr_t stats_dma;
int rval;
uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
if (test_bit(UNLOADING, &vha->dpc_flags))
return -ENODEV;
if (unlikely(pci_channel_offline(ha->pdev)))
return -ENODEV;
if (qla2x00_reset_active(vha))
return -EBUSY;
if (!IS_FWI2_CAPABLE(ha))
return -EPERM;
stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
GFP_KERNEL);
if (!stats) {
ql_log(ql_log_warn, vha, 0x70e2,
"Failed to allocate memory for stats.\n");
return -ENOMEM;
}
rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
if (rval == QLA_SUCCESS) {
ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e5,
stats, sizeof(*stats));
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
}
bsg_reply->reply_payload_rcv_len = sizeof(*stats);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
bsg_job->reply_len = sizeof(*bsg_reply);
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, sizeof(*stats),
stats, stats_dma);
return 0;
}
static int
qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval;
struct qla_dport_diag *dd;
if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
!IS_QLA28XX(vha->hw))
return -EPERM;
dd = kmalloc(sizeof(*dd), GFP_KERNEL);
if (!dd) {
ql_log(ql_log_warn, vha, 0x70db,
"Failed to allocate memory for dport.\n");
return -ENOMEM;
}
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
rval = qla26xx_dport_diagnostics(
vha, dd->buf, sizeof(dd->buf), dd->options);
if (rval == QLA_SUCCESS) {
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
}
bsg_reply->reply_payload_rcv_len = sizeof(*dd);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
bsg_job->reply_len = sizeof(*bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
kfree(dd);
return 0;
}
static int
qla2x00_do_dport_diagnostics_v2(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval;
struct qla_dport_diag_v2 *dd;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
uint16_t options;
if (!IS_DPORT_CAPABLE(vha->hw))
return -EPERM;
dd = kzalloc(sizeof(*dd), GFP_KERNEL);
if (!dd)
return -ENOMEM;
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
options = dd->options;
/* Check dport Test in progress */
if (options == QLA_GET_DPORT_RESULT_V2 &&
vha->dport_status & DPORT_DIAG_IN_PROGRESS) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_DPORT_DIAG_IN_PROCESS;
goto dportcomplete;
}
/* Check chip reset in progress and start/restart requests arrive */
if (vha->dport_status & DPORT_DIAG_CHIP_RESET_IN_PROGRESS &&
(options == QLA_START_DPORT_TEST_V2 ||
options == QLA_RESTART_DPORT_TEST_V2)) {
vha->dport_status &= ~DPORT_DIAG_CHIP_RESET_IN_PROGRESS;
}
/* Check chip reset in progress and get result request arrive */
if (vha->dport_status & DPORT_DIAG_CHIP_RESET_IN_PROGRESS &&
options == QLA_GET_DPORT_RESULT_V2) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_DPORT_DIAG_NOT_RUNNING;
goto dportcomplete;
}
rval = qla26xx_dport_diagnostics_v2(vha, dd, mcp);
if (rval == QLA_SUCCESS) {
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_OK;
if (options == QLA_START_DPORT_TEST_V2 ||
options == QLA_RESTART_DPORT_TEST_V2) {
dd->mbx1 = mcp->mb[0];
dd->mbx2 = mcp->mb[1];
vha->dport_status |= DPORT_DIAG_IN_PROGRESS;
} else if (options == QLA_GET_DPORT_RESULT_V2) {
dd->mbx1 = le16_to_cpu(vha->dport_data[1]);
dd->mbx2 = le16_to_cpu(vha->dport_data[2]);
}
} else {
dd->mbx1 = mcp->mb[0];
dd->mbx2 = mcp->mb[1];
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
EXT_STATUS_DPORT_DIAG_ERR;
}
dportcomplete:
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
bsg_reply->reply_payload_rcv_len = sizeof(*dd);
bsg_job->reply_len = sizeof(*bsg_reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
kfree(dd);
return 0;
}
static int
qla2x00_get_flash_image_status(struct bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct qla_hw_data *ha = vha->hw;
struct qla_active_regions regions = { };
struct active_regions active_regions = { };
qla27xx_get_active_image(vha, &active_regions);
regions.global_image = active_regions.global;
if (IS_QLA27XX(ha))
regions.nvme_params = QLA27XX_PRIMARY_IMAGE;
if (IS_QLA28XX(ha)) {
qla28xx_get_aux_images(vha, &active_regions);
regions.board_config = active_regions.aux.board_config;
regions.vpd_nvram = active_regions.aux.vpd_nvram;
regions.npiv_config_0_1 = active_regions.aux.npiv_config_0_1;
regions.npiv_config_2_3 = active_regions.aux.npiv_config_2_3;
regions.nvme_params = active_regions.aux.nvme_params;
}
ql_dbg(ql_dbg_user, vha, 0x70e1,
"%s(%lu): FW=%u BCFG=%u VPDNVR=%u NPIV01=%u NPIV02=%u NVME_PARAMS=%u\n",
__func__, vha->host_no, regions.global_image,
regions.board_config, regions.vpd_nvram,
regions.npiv_config_0_1, regions.npiv_config_2_3, regions.nvme_params);
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &regions, sizeof(regions));
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_reply->reply_payload_rcv_len = sizeof(regions);
bsg_reply->result = DID_OK << 16;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return 0;
}
static int
qla2x00_manage_host_stats(struct bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct ql_vnd_mng_host_stats_param *req_data;
struct ql_vnd_mng_host_stats_resp rsp_data;
u32 req_data_len;
int ret = 0;
if (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x0000, "Host is not online.\n");
return -EIO;
}
req_data_len = bsg_job->request_payload.payload_len;
if (req_data_len != sizeof(struct ql_vnd_mng_host_stats_param)) {
ql_log(ql_log_warn, vha, 0x0000, "req_data_len invalid.\n");
return -EIO;
}
req_data = kzalloc(sizeof(*req_data), GFP_KERNEL);
if (!req_data) {
ql_log(ql_log_warn, vha, 0x0000, "req_data memory allocation failure.\n");
return -ENOMEM;
}
/* Copy the request buffer in req_data */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data,
req_data_len);
switch (req_data->action) {
case QLA_STOP:
ret = qla2xxx_stop_stats(vha->host, req_data->stat_type);
break;
case QLA_START:
ret = qla2xxx_start_stats(vha->host, req_data->stat_type);
break;
case QLA_CLEAR:
ret = qla2xxx_reset_stats(vha->host, req_data->stat_type);
break;
default:
ql_log(ql_log_warn, vha, 0x0000, "Invalid action.\n");
ret = -EIO;
break;
}
kfree(req_data);
/* Prepare response */
rsp_data.status = ret;
bsg_job->reply_payload.payload_len = sizeof(struct ql_vnd_mng_host_stats_resp);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
&rsp_data,
sizeof(struct ql_vnd_mng_host_stats_resp));
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return ret;
}
static int
qla2x00_get_host_stats(struct bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct ql_vnd_stats_param *req_data;
struct ql_vnd_host_stats_resp rsp_data;
u32 req_data_len;
int ret = 0;
u64 ini_entry_count = 0;
u64 entry_count = 0;
u64 tgt_num = 0;
u64 tmp_stat_type = 0;
u64 response_len = 0;
void *data;
req_data_len = bsg_job->request_payload.payload_len;
if (req_data_len != sizeof(struct ql_vnd_stats_param)) {
ql_log(ql_log_warn, vha, 0x0000, "req_data_len invalid.\n");
return -EIO;
}
req_data = kzalloc(sizeof(*req_data), GFP_KERNEL);
if (!req_data) {
ql_log(ql_log_warn, vha, 0x0000, "req_data memory allocation failure.\n");
return -ENOMEM;
}
/* Copy the request buffer in req_data */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data, req_data_len);
/* Copy stat type to work on it */
tmp_stat_type = req_data->stat_type;
if (tmp_stat_type & QLA2XX_TGT_SHT_LNK_DOWN) {
/* Num of tgts connected to this host */
tgt_num = qla2x00_get_num_tgts(vha);
/* unset BIT_17 */
tmp_stat_type &= ~(1 << 17);
}
/* Total ini stats */
ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
/* Total number of entries */
entry_count = ini_entry_count + tgt_num;
response_len = sizeof(struct ql_vnd_host_stats_resp) +
(sizeof(struct ql_vnd_stat_entry) * entry_count);
if (response_len > bsg_job->reply_payload.payload_len) {
rsp_data.status = EXT_STATUS_BUFFER_TOO_SMALL;
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_BUFFER_TOO_SMALL;
bsg_job->reply_payload.payload_len = sizeof(struct ql_vnd_mng_host_stats_resp);
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &rsp_data,
sizeof(struct ql_vnd_mng_host_stats_resp));
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
goto host_stat_out;
}
data = kzalloc(response_len, GFP_KERNEL);
if (!data) {
ret = -ENOMEM;
goto host_stat_out;
}
ret = qla2xxx_get_ini_stats(fc_bsg_to_shost(bsg_job), req_data->stat_type,
data, response_len);
rsp_data.status = EXT_STATUS_OK;
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
data, response_len);
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
kfree(data);
host_stat_out:
kfree(req_data);
return ret;
}
static struct fc_rport *
qla2xxx_find_rport(scsi_qla_host_t *vha, uint32_t tgt_num)
{
fc_port_t *fcport = NULL;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->rport->number == tgt_num)
return fcport->rport;
}
return NULL;
}
static int
qla2x00_get_tgt_stats(struct bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct ql_vnd_tgt_stats_param *req_data;
u32 req_data_len;
int ret = 0;
u64 response_len = 0;
struct ql_vnd_tgt_stats_resp *data = NULL;
struct fc_rport *rport = NULL;
if (!vha->flags.online) {
ql_log(ql_log_warn, vha, 0x0000, "Host is not online.\n");
return -EIO;
}
req_data_len = bsg_job->request_payload.payload_len;
if (req_data_len != sizeof(struct ql_vnd_stat_entry)) {
ql_log(ql_log_warn, vha, 0x0000, "req_data_len invalid.\n");
return -EIO;
}
req_data = kzalloc(sizeof(*req_data), GFP_KERNEL);
if (!req_data) {
ql_log(ql_log_warn, vha, 0x0000, "req_data memory allocation failure.\n");
return -ENOMEM;
}
/* Copy the request buffer in req_data */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt,
req_data, req_data_len);
response_len = sizeof(struct ql_vnd_tgt_stats_resp) +
sizeof(struct ql_vnd_stat_entry);
/* structure + size for one entry */
data = kzalloc(response_len, GFP_KERNEL);
if (!data) {
kfree(req_data);
return -ENOMEM;
}
if (response_len > bsg_job->reply_payload.payload_len) {
data->status = EXT_STATUS_BUFFER_TOO_SMALL;
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_BUFFER_TOO_SMALL;
bsg_job->reply_payload.payload_len = sizeof(struct ql_vnd_mng_host_stats_resp);
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, data,
sizeof(struct ql_vnd_tgt_stats_resp));
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
goto tgt_stat_out;
}
rport = qla2xxx_find_rport(vha, req_data->tgt_id);
if (!rport) {
ql_log(ql_log_warn, vha, 0x0000, "target %d not found.\n", req_data->tgt_id);
ret = EXT_STATUS_INVALID_PARAM;
data->status = EXT_STATUS_INVALID_PARAM;
goto reply;
}
ret = qla2xxx_get_tgt_stats(fc_bsg_to_shost(bsg_job), req_data->stat_type,
rport, (void *)data, response_len);
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
reply:
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, data,
response_len);
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
tgt_stat_out:
kfree(data);
kfree(req_data);
return ret;
}
static int
qla2x00_manage_host_port(struct bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
struct ql_vnd_mng_host_port_param *req_data;
struct ql_vnd_mng_host_port_resp rsp_data;
u32 req_data_len;
int ret = 0;
req_data_len = bsg_job->request_payload.payload_len;
if (req_data_len != sizeof(struct ql_vnd_mng_host_port_param)) {
ql_log(ql_log_warn, vha, 0x0000, "req_data_len invalid.\n");
return -EIO;
}
req_data = kzalloc(sizeof(*req_data), GFP_KERNEL);
if (!req_data) {
ql_log(ql_log_warn, vha, 0x0000, "req_data memory allocation failure.\n");
return -ENOMEM;
}
/* Copy the request buffer in req_data */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data, req_data_len);
switch (req_data->action) {
case QLA_ENABLE:
ret = qla2xxx_enable_port(vha->host);
break;
case QLA_DISABLE:
ret = qla2xxx_disable_port(vha->host);
break;
default:
ql_log(ql_log_warn, vha, 0x0000, "Invalid action.\n");
ret = -EIO;
break;
}
kfree(req_data);
/* Prepare response */
rsp_data.status = ret;
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
bsg_job->reply_payload.payload_len = sizeof(struct ql_vnd_mng_host_port_resp);
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, &rsp_data,
sizeof(struct ql_vnd_mng_host_port_resp));
bsg_reply->result = DID_OK;
bsg_job_done(bsg_job, bsg_reply->result,
bsg_reply->reply_payload_rcv_len);
return ret;
}
static int
qla2x00_process_vendor_specific(struct scsi_qla_host *vha, struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
ql_dbg(ql_dbg_edif, vha, 0x911b, "%s FC_BSG_HST_VENDOR cmd[0]=0x%x\n",
__func__, bsg_request->rqst_data.h_vendor.vendor_cmd[0]);
switch (bsg_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);
case QL_VND_SET_FRU_VERSION:
return qla2x00_update_fru_versions(bsg_job);
case QL_VND_READ_FRU_STATUS:
return qla2x00_read_fru_status(bsg_job);
case QL_VND_WRITE_FRU_STATUS:
return qla2x00_write_fru_status(bsg_job);
case QL_VND_WRITE_I2C:
return qla2x00_write_i2c(bsg_job);
case QL_VND_READ_I2C:
return qla2x00_read_i2c(bsg_job);
case QL_VND_DIAG_IO_CMD:
return qla24xx_process_bidir_cmd(bsg_job);
case QL_VND_FX00_MGMT_CMD:
return qlafx00_mgmt_cmd(bsg_job);
case QL_VND_SERDES_OP:
return qla26xx_serdes_op(bsg_job);
case QL_VND_SERDES_OP_EX:
return qla8044_serdes_op(bsg_job);
case QL_VND_GET_FLASH_UPDATE_CAPS:
return qla27xx_get_flash_upd_cap(bsg_job);
case QL_VND_SET_FLASH_UPDATE_CAPS:
return qla27xx_set_flash_upd_cap(bsg_job);
case QL_VND_GET_BBCR_DATA:
return qla27xx_get_bbcr_data(bsg_job);
case QL_VND_GET_PRIV_STATS:
case QL_VND_GET_PRIV_STATS_EX:
return qla2x00_get_priv_stats(bsg_job);
case QL_VND_DPORT_DIAGNOSTICS:
return qla2x00_do_dport_diagnostics(bsg_job);
case QL_VND_DPORT_DIAGNOSTICS_V2:
return qla2x00_do_dport_diagnostics_v2(bsg_job);
case QL_VND_EDIF_MGMT:
return qla_edif_app_mgmt(bsg_job);
case QL_VND_SS_GET_FLASH_IMAGE_STATUS:
return qla2x00_get_flash_image_status(bsg_job);
case QL_VND_MANAGE_HOST_STATS:
return qla2x00_manage_host_stats(bsg_job);
case QL_VND_GET_HOST_STATS:
return qla2x00_get_host_stats(bsg_job);
case QL_VND_GET_TGT_STATS:
return qla2x00_get_tgt_stats(bsg_job);
case QL_VND_MANAGE_HOST_PORT:
return qla2x00_manage_host_port(bsg_job);
case QL_VND_MBX_PASSTHRU:
return qla2x00_mailbox_passthru(bsg_job);
default:
return -ENOSYS;
}
}
int
qla24xx_bsg_request(struct bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
int ret = -EINVAL;
struct fc_rport *rport;
struct Scsi_Host *host;
scsi_qla_host_t *vha;
/* In case no data transferred. */
bsg_reply->reply_payload_rcv_len = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
rport = fc_bsg_to_rport(bsg_job);
if (!rport)
return ret;
host = rport_to_shost(rport);
vha = shost_priv(host);
} else {
host = fc_bsg_to_shost(bsg_job);
vha = shost_priv(host);
}
/* Disable port will bring down the chip, allow enable command */
if (bsg_request->rqst_data.h_vendor.vendor_cmd[0] == QL_VND_MANAGE_HOST_PORT ||
bsg_request->rqst_data.h_vendor.vendor_cmd[0] == QL_VND_GET_HOST_STATS)
goto skip_chip_chk;
if (vha->hw->flags.port_isolated) {
bsg_reply->result = DID_ERROR;
/* operation not permitted */
return -EPERM;
}
if (qla2x00_chip_is_down(vha)) {
ql_dbg(ql_dbg_user, vha, 0x709f,
"BSG: ISP abort active/needed -- cmd=%d.\n",
bsg_request->msgcode);
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
return -EBUSY;
}
if (test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags)) {
SET_DID_STATUS(bsg_reply->result, DID_ERROR);
return -EIO;
}
skip_chip_chk:
ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x7000,
"Entered %s msgcode=0x%x. bsg ptr %px\n",
__func__, bsg_request->msgcode, bsg_job);
switch (bsg_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(vha, bsg_job);
break;
case FC_BSG_HST_ADD_RPORT:
case FC_BSG_HST_DEL_RPORT:
case FC_BSG_RPT_CT:
default:
ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
break;
}
ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x7000,
"%s done with return %x\n", __func__, ret);
return ret;
}
int
qla24xx_bsg_timeout(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
int cnt, que;
unsigned long flags;
struct req_que *req;
ql_log(ql_log_info, vha, 0x708b, "%s CMD timeout. bsg ptr %p.\n",
__func__, bsg_job);
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x9007,
"PCI/Register disconnect.\n");
qla_pci_set_eeh_busy(vha);
}
/* 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 < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (sp &&
(sp->type == SRB_CT_CMD ||
sp->type == SRB_ELS_CMD_HST ||
sp->type == SRB_ELS_CMD_HST_NOLOGIN ||
sp->type == SRB_FXIOCB_BCMD) &&
sp->u.bsg_job == bsg_job) {
req->outstanding_cmds[cnt] = NULL;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (!ha->flags.eeh_busy && ha->isp_ops->abort_command(sp)) {
ql_log(ql_log_warn, vha, 0x7089,
"mbx abort_command failed.\n");
bsg_reply->result = -EIO;
} else {
ql_dbg(ql_dbg_user, vha, 0x708a,
"mbx abort_command success.\n");
bsg_reply->result = 0;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
goto done;
}
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
bsg_reply->result = -ENXIO;
return 0;
done:
spin_unlock_irqrestore(&ha->hardware_lock, flags);
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
return 0;
}
int qla2x00_mailbox_passthru(struct bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
int ret = -EINVAL;
int ptsize = sizeof(struct qla_mbx_passthru);
struct qla_mbx_passthru *req_data = NULL;
uint32_t req_data_len;
req_data_len = bsg_job->request_payload.payload_len;
if (req_data_len != ptsize) {
ql_log(ql_log_warn, vha, 0xf0a3, "req_data_len invalid.\n");
return -EIO;
}
req_data = kzalloc(ptsize, GFP_KERNEL);
if (!req_data) {
ql_log(ql_log_warn, vha, 0xf0a4,
"req_data memory allocation failure.\n");
return -ENOMEM;
}
/* Copy the request buffer in req_data */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data, ptsize);
ret = qla_mailbox_passthru(vha, req_data->mbx_in, req_data->mbx_out);
/* Copy the req_data in request buffer */
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, req_data, ptsize);
bsg_reply->reply_payload_rcv_len = ptsize;
if (ret == QLA_SUCCESS)
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
else
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_ERR;
bsg_job->reply_len = sizeof(*bsg_job->reply);
bsg_reply->result = DID_OK << 16;
bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len);
kfree(req_data);
return ret;
}
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