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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.c152
1 files changed, 147 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index ad54099cb80..7d2f021dda6 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -30,14 +30,31 @@ qla2x00_bsg_sp_free(void *data, void *ptr)
struct scsi_qla_host *vha = sp->fcport->vha;
struct fc_bsg_job *bsg_job = sp->u.bsg_job;
struct qla_hw_data *ha = vha->hw;
+ struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
- dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
- bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (sp->type == SRB_FXIOCB_BCMD) {
+ piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
+ &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
- dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
- bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ 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 {
+ 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)
kfree(sp->fcport);
qla2x00_rel_sp(vha, sp);
@@ -1883,6 +1900,128 @@ done:
}
static int
+qlafx00_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;
+ int rval = (DRIVER_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_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ /* Dump the vendor information */
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
+ (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
+
+ 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 = 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:
+ kfree(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
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -1928,6 +2067,8 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *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);
default:
return -ENOSYS;
}
@@ -2007,7 +2148,8 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
sp = req->outstanding_cmds[cnt];
if (sp) {
if (((sp->type == SRB_CT_CMD) ||
- (sp->type == SRB_ELS_CMD_HST))
+ (sp->type == SRB_ELS_CMD_HST) ||
+ (sp->type == SRB_FXIOCB_BCMD))
&& (sp->u.bsg_job == bsg_job)) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (ha->isp_ops->abort_command(sp)) {
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-05 02:20:00 +0000