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path: root/drivers/scsi/qla2xxx/qla_bsg.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c86
1 files changed, 44 insertions, 42 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 6887538d1736..b2b664483ab4 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -11,29 +11,36 @@
#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)
+void
+qla2x00_bsg_job_done(void *data, void *ptr, int res)
{
- srb_t *sp;
+ srb_t *sp = (srb_t *)ptr;
+ struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
+
+ bsg_job->reply->result = res;
+ bsg_job->job_done(bsg_job);
+ sp->free(vha, sp);
+}
+
+void
+qla2x00_bsg_sp_free(void *data, void *ptr)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
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;
- }
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
- memset(sp, 0, sizeof(*sp));
- sp->fcport = fcport;
- sp->ctx = ctx;
- ctx->iocbs = 1;
-done:
- return sp;
+ 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_ELS_CMD_HST)
+ kfree(sp->fcport);
+ mempool_free(sp, vha->hw->srb_mempool);
}
int
@@ -217,6 +224,7 @@ exit_fcp_prio_cfg:
bsg_job->job_done(bsg_job);
return ret;
}
+
static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
@@ -230,7 +238,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
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;
@@ -337,20 +344,21 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
}
/* Alloc SRB structure */
- sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
rval = -ENOMEM;
goto done_unmap_sg;
}
- els = sp->ctx;
- els->type =
+ sp->type =
(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
- els->name =
+ sp->name =
(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
"bsg_els_rpt" : "bsg_els_hst");
- els->u.bsg_job = bsg_job;
+ 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 "
@@ -362,7 +370,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x700e,
"qla2x00_start_sp failed = %d\n", rval);
- kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_unmap_sg;
@@ -409,7 +416,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
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,
@@ -486,19 +492,20 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
fcport->loop_id = loop_id;
/* Alloc SRB structure */
- sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
ql_log(ql_log_warn, vha, 0x7015,
- "qla2x00_get_ctx_bsg_sp failed.\n");
+ "qla2x00_get_sp failed.\n");
rval = -ENOMEM;
goto done_free_fcport;
}
- ct = sp->ctx;
- ct->type = SRB_CT_CMD;
- ct->name = "bsg_ct";
- ct->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
- ct->u.bsg_job = bsg_job;
+ 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 - "
@@ -511,7 +518,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7017,
"qla2x00_start_sp failed=%d.\n", rval);
- kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_free_fcport;
@@ -1669,7 +1675,6 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
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);
@@ -1681,11 +1686,9 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
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)) {
+ if (((sp->type == SRB_CT_CMD) ||
+ (sp->type == SRB_ELS_CMD_HST))
+ && (sp->u.bsg_job == bsg_job)) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(sp)) {
ql_log(ql_log_warn, vha, 0x7089,
@@ -1715,7 +1718,6 @@ 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;
}