diff options
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 17 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 47 |
4 files changed, 47 insertions, 20 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index fb5bd6e17e8a..b989add77ec3 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -627,6 +627,7 @@ qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config, { 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)) @@ -652,8 +653,19 @@ qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config, } /* Wait for DCBX complete event */ - if (!wait_for_completion_timeout(&ha->dcbx_comp, - (DCBX_COMP_TIMEOUT * HZ))) { + 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); @@ -678,6 +690,7 @@ qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config, } ha->notify_dcbx_comp = 0; + ha->idc_extend_tmo = 0; done_set_internal: return rval; diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index ca6bcf6e721d..f192c52a82a9 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -26,7 +26,7 @@ * | | | 0x3036,0x3038 | * | | | 0x303a | * | DPC Thread | 0x4022 | 0x4002,0x4013 | - * | Async Events | 0x5086 | 0x502b-0x502f | + * | Async Events | 0x5087 | 0x502b-0x502f | * | | | 0x5047,0x5052 | * | | | 0x5040,0x5075 | * | | | 0x503d,0x5044 | diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index d6eefb872bf6..93db74ef3461 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3292,6 +3292,7 @@ struct qla_hw_data { /* QLA83XX IDC specific fields */ uint32_t idc_audit_ts; + uint32_t idc_extend_tmo; /* DPC low-priority workqueue */ struct workqueue_struct *dpc_lp_wq; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index bbc24d3afc5b..df1b30ba938c 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -282,25 +282,38 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) "%04x %04x %04x %04x %04x %04x %04x.\n", event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]); - if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) { - vha->hw->flags.idc_compl_status = 1; - if (vha->hw->notify_dcbx_comp) - complete(&vha->hw->dcbx_comp); - } - - /* Acknowledgement needed? [Notify && non-zero timeout]. */ - timeout = (descr >> 8) & 0xf; - if (aen != MBA_IDC_NOTIFY || !timeout) - return; + switch (aen) { + /* Handle IDC Error completion case. */ + case MBA_IDC_COMPLETE: + if (mb[1] >> 15) { + vha->hw->flags.idc_compl_status = 1; + if (vha->hw->notify_dcbx_comp) + complete(&vha->hw->dcbx_comp); + } + break; - ql_dbg(ql_dbg_async, vha, 0x5022, - "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", - vha->host_no, event[aen & 0xff], timeout); + case MBA_IDC_NOTIFY: + /* Acknowledgement needed? [Notify && non-zero timeout]. */ + timeout = (descr >> 8) & 0xf; + ql_dbg(ql_dbg_async, vha, 0x5022, + "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", + vha->host_no, event[aen & 0xff], timeout); - rval = qla2x00_post_idc_ack_work(vha, mb); - if (rval != QLA_SUCCESS) - ql_log(ql_log_warn, vha, 0x5023, - "IDC failed to post ACK.\n"); + if (!timeout) + return; + rval = qla2x00_post_idc_ack_work(vha, mb); + if (rval != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x5023, + "IDC failed to post ACK.\n"); + break; + case MBA_IDC_TIME_EXT: + vha->hw->idc_extend_tmo = descr; + ql_dbg(ql_dbg_async, vha, 0x5087, + "%lu Inter-Driver Communication %s -- " + "Extend timeout by=%d.\n", + vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); + break; + } } #define LS_UNKNOWN 2 |