diff options
| author | Darren Trapp <darren.trapp@cavium.com> | 2018-09-11 20:18:12 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-09-12 03:28:09 +0300 |
| commit | 4072e1dcd8fc461bc9f11c119af07f9dd6b5beb9 (patch) | |
| tree | 9ee7ad9ba2f0b09524e58b5159efaa413feac6b3 | |
| parent | 950c6ab7b540c28c2482506bb5491dac0738d2ec (diff) | |
| download | linux-4072e1dcd8fc461bc9f11c119af07f9dd6b5beb9.tar.xz | |
scsi: qla2xxx: Allow FC-NVMe underrun to be handled by transport
This patch allows FC-NVMe under-run to be handled by transport
Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index bc97e3a1bef7..0087174d3766 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1850,11 +1850,12 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; uint16_t state_flags; struct nvmefc_fcp_req *fd; - uint16_t ret = 0; + uint16_t ret = QLA_SUCCESS; + uint16_t comp_status = le16_to_cpu(sts->comp_status); iocb = &sp->u.iocb_cmd; fcport = sp->fcport; - iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); + iocb->u.nvme.comp_status = comp_status; state_flags = le16_to_cpu(sts->state_flags); fd = iocb->u.nvme.desc; @@ -1892,28 +1893,35 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, fd->transferred_length = fd->payload_length - le32_to_cpu(sts->residual_len); - switch (le16_to_cpu(sts->comp_status)) { + if (unlikely(comp_status != CS_COMPLETE)) + ql_log(ql_log_warn, fcport->vha, 0x5060, + "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", + sp->name, sp->handle, comp_status, + fd->transferred_length, le32_to_cpu(sts->residual_len), + sts->ox_id); + + /* + * If transport error then Failure (HBA rejects request) + * otherwise transport will handle. + */ + switch (comp_status) { case CS_COMPLETE: - ret = QLA_SUCCESS; break; - case CS_ABORTED: + case CS_RESET: case CS_PORT_UNAVAILABLE: case CS_PORT_LOGGED_OUT: + fcport->nvme_flag |= NVME_FLAG_RESETTING; + /* fall through */ + case CS_ABORTED: 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; + case CS_DATA_UNDERRUN: + 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; } |