diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/ipr.c | 59 | ||||
| -rw-r--r-- | drivers/scsi/ipr.h | 18 |
2 files changed, 66 insertions, 11 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index cca4972735be..2f84f26624bf 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -814,7 +814,7 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, **/ static void ipr_init_res_entry(struct ipr_resource_entry *res) { - res->needs_sync_complete = 1; + res->needs_sync_complete = 0; res->in_erp = 0; res->add_to_ml = 0; res->del_from_ml = 0; @@ -3251,7 +3251,8 @@ static int ipr_slave_alloc(struct scsi_device *sdev) res->add_to_ml = 0; res->in_erp = 0; sdev->hostdata = res; - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; rc = 0; break; } @@ -3515,7 +3516,8 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) } list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; LEAVE; return (IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS); @@ -3819,7 +3821,8 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) } if (res) { - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; res->in_erp = 0; } ipr_unmap_sglist(ioa_cfg, ipr_cmd); @@ -4089,6 +4092,30 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) } /** + * ipr_get_autosense - Copy autosense data to sense buffer + * @ipr_cmd: ipr command struct + * + * This function copies the autosense buffer to the buffer + * in the scsi_cmd, if there is autosense available. + * + * Return value: + * 1 if autosense was available / 0 if not + **/ +static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioasa *ioasa = &ipr_cmd->ioasa; + + if ((be32_to_cpu(ioasa->ioasc_specific) & + (IPR_ADDITIONAL_STATUS_FMT | IPR_AUTOSENSE_VALID)) == 0) + return 0; + + memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, + min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), + SCSI_SENSE_BUFFERSIZE)); + return 1; +} + +/** * ipr_erp_start - Process an error response for a SCSI op * @ioa_cfg: ioa config struct * @ipr_cmd: ipr command struct @@ -4118,7 +4145,10 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, switch (ioasc & IPR_IOASC_IOASC_MASK) { case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: - scsi_cmd->result |= (DID_IMM_RETRY << 16); + if (ipr_is_naca_model(res)) + scsi_cmd->result |= (DID_ABORT << 16); + else + scsi_cmd->result |= (DID_IMM_RETRY << 16); break; case IPR_IOASC_IR_RESOURCE_HANDLE: case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: @@ -4126,7 +4156,8 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, break; case IPR_IOASC_HW_SEL_TIMEOUT: scsi_cmd->result |= (DID_NO_CONNECT << 16); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_SYNC_REQUIRED: if (!res->in_erp) @@ -4146,21 +4177,27 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, if (!res->resetting_device) scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); scsi_cmd->result |= (DID_ERROR << 16); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_HW_DEV_BUS_STATUS: scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { - ipr_erp_cancel_all(ipr_cmd); - return; + if (!ipr_get_autosense(ipr_cmd)) { + if (!ipr_is_naca_model(res)) { + ipr_erp_cancel_all(ipr_cmd); + return; + } + } } - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_NR_INIT_CMD_REQUIRED: break; default: scsi_cmd->result |= (DID_ERROR << 16); - if (!ipr_is_vset_device(res)) + if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) res->needs_sync_complete = 1; break; } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index f7fa8cd2ecad..c9cc40e5db24 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -302,6 +302,10 @@ struct ipr_config_table_entry { #define IPR_SUBTYPE_GENERIC_SCSI 1 #define IPR_SUBTYPE_VOLUME_SET 2 +#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4) +#define IPR_QUEUE_FROZEN_MODEL 0 +#define IPR_QUEUE_NACA_MODEL 1 + struct ipr_res_addr res_addr; __be32 res_handle; __be32 reserved4[2]; @@ -1294,6 +1298,20 @@ static inline int ipr_is_gscsi(struct ipr_resource_entry *res) } /** + * ipr_is_naca_model - Determine if a resource is using NACA queueing model + * @res: resource entry struct + * + * Return value: + * 1 if NACA queueing model / 0 if not NACA queueing model + **/ +static inline int ipr_is_naca_model(struct ipr_resource_entry *res) +{ + if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL) + return 1; + return 0; +} + +/** * ipr_is_device - Determine if resource address is that of a device * @res_addr: resource address struct * |