diff options
author | Darren Trapp <darren.trapp@cavium.com> | 2018-03-21 07:09:39 +0100 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-03-21 23:38:54 +0100 |
commit | 60dd6e8e42077a4c25f221cf124e8ba038b86e2e (patch) | |
tree | fb1c0fa862dfe5e7e0b9e1c3e562e65864140d84 /drivers/scsi | |
parent | scsi: qla2xxx: Fix FC-NVMe IO abort during driver reset (diff) | |
download | linux-60dd6e8e42077a4c25f221cf124e8ba038b86e2e.tar.xz linux-60dd6e8e42077a4c25f221cf124e8ba038b86e2e.zip |
scsi: qla2xxx: Cleanup code to improve FC-NVMe error handling
This patch cleans up ABTS handling for FC-NVMe by
- Removing allocation of sp, instead pass the sp pointer for abort IOCB
- Fix error handling from Trasport failure
- set outstanding_cmds array to NULL for nvme completion
Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 78 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_nvme.c | 2 |
2 files changed, 29 insertions, 51 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index bc2c7ded6949..5fbb8f4b4dc7 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1837,31 +1837,23 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) sp->done(sp, 0); } -static void -qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) +static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, + void *tsk, srb_t *sp) { - const char func[] = "NVME-IOCB"; fc_port_t *fcport; - srb_t *sp; struct srb_iocb *iocb; struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; uint16_t state_flags; struct nvmefc_fcp_req *fd; uint16_t ret = 0; - struct srb_iocb *nvme; - - sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); - if (!sp) - return; iocb = &sp->u.iocb_cmd; fcport = sp->fcport; iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); state_flags = le16_to_cpu(sts->state_flags); fd = iocb->u.nvme.desc; - nvme = &sp->u.iocb_cmd; - if (unlikely(nvme->u.nvme.aen_op)) + if (unlikely(iocb->u.nvme.aen_op)) atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); /* @@ -1895,45 +1887,30 @@ qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) fd->transferred_length = fd->payload_length - le32_to_cpu(sts->residual_len); - /* - * If transport error then Failure (HBA rejects request) - * otherwise transport will handle. - */ - if (sts->entry_status) { - ql_log(ql_log_warn, fcport->vha, 0x5038, - "NVME-%s error - hdl=%x entry-status(%x).\n", - sp->name, sp->handle, sts->entry_status); + switch (le16_to_cpu(sts->comp_status)) { + case CS_COMPLETE: + ret = QLA_SUCCESS; + break; + case CS_ABORTED: + case CS_RESET: + case CS_PORT_UNAVAILABLE: + case CS_PORT_LOGGED_OUT: + case CS_PORT_BUSY: + ql_log(ql_log_warn, fcport->vha, 0x5060, + "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", + sp->name, sp->handle, sts->comp_status, + le32_to_cpu(sts->residual_len), sts->ox_id); + fd->transferred_length = 0; + iocb->u.nvme.rsp_pyld_len = 0; + ret = QLA_ABORTED; + break; + default: + ql_log(ql_log_warn, fcport->vha, 0x5060, + "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", + sp->name, sp->handle, sts->comp_status, + le32_to_cpu(sts->residual_len), sts->ox_id); ret = QLA_FUNCTION_FAILED; - } else { - switch (le16_to_cpu(sts->comp_status)) { - case CS_COMPLETE: - ret = QLA_SUCCESS; - break; - - case CS_RESET: - case CS_PORT_UNAVAILABLE: - fcport->nvme_flag |= NVME_FLAG_RESETTING; - /* fall through */ - case CS_ABORTED: - case CS_PORT_LOGGED_OUT: - case CS_PORT_BUSY: - ql_log(ql_log_warn, fcport->vha, 0x5060, - "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", - sp->name, sp->handle, sts->comp_status, - le32_to_cpu(sts->residual_len), sts->ox_id); - fd->transferred_length = 0; - iocb->u.nvme.rsp_pyld_len = 0; - ret = QLA_ABORTED; - break; - - default: - ql_log(ql_log_warn, fcport->vha, 0x5060, - "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", - sp->name, sp->handle, sts->comp_status, - le32_to_cpu(sts->residual_len), sts->ox_id); - ret = QLA_FUNCTION_FAILED; - break; - } + break; } sp->done(sp, ret); } @@ -2461,7 +2438,8 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) /* NVME completion. */ if (sp->type == SRB_NVME_CMD) { - qla24xx_nvme_iocb_entry(vha, req, pkt); + req->outstanding_cmds[handle] = NULL; + qla24xx_nvme_iocb_entry(vha, req, pkt, sp); return; } diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 57275bc9fe14..c5a963c2c86e 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -280,7 +280,7 @@ static void qla_nvme_poll(struct nvme_fc_local_port *lport, void *hw_queue_handl spin_unlock_irqrestore(&qpair->qp_lock, flags); } -static int qla2x00_start_nvme_mq(srb_t *sp) +static inline int qla2x00_start_nvme_mq(srb_t *sp) { unsigned long flags; uint32_t *clr_ptr; |