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mpt3sas: Don't send PHYDISK_HIDDEN RAID action request on SAS2 HBAs 

Avoid sending PHYDISK_HIDDEN RAID action requests to SAS2 controllers
since they don't support it.

Also enable fast_path only for SAS3 HBAs.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sreekanth Reddy 2015-11-11 17:30:25 +05:30 committed by Martin K. Petersen
parent 471ef9d4e4
commit 45506049c7
1 changed files with 17 additions and 2 deletions
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19
drivers/scsi/mpt3sas/mpt3sas_scsih.c
View File

@ -1165,8 +1165,10 @@ scsih_target_alloc(struct scsi_target *starget)
if (test_bit(sas_device->handle, ioc->pd_handles))
sas_target_priv_data->flags |=
MPT_TARGET_FLAGS_RAID_COMPONENT;
#ifndef SCSI_MPT2SAS
if (sas_device->fast_path)
sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
#endif
}
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
@ -3719,11 +3721,13 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
#ifndef SCSI_MPT2SAS
if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
MPI25_SCSIIO_IOFLAGS_FAST_PATH);
mpt3sas_base_put_smid_fast_path(ioc, smid, handle);
} else
#endif
mpt3sas_base_put_smid_scsi_io(ioc, smid, handle);
} else
mpt3sas_base_put_smid_default(ioc, smid);
@ -5031,8 +5035,10 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
sas_device->device_info = device_info;
sas_device->sas_address = sas_address;
sas_device->phy = sas_device_pg0.PhyNum;
#ifndef SCSI_MPT2SAS
sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
#endif
if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
sas_device->enclosure_level =
@ -5731,6 +5737,7 @@ _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
}
}
#ifndef SCSI_MPT2SAS
/**
* _scsih_ir_fastpath - turn on fastpath for IR physdisk
* @ioc: per adapter object
@ -5750,7 +5757,6 @@ _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
u16 ioc_status;
u32 log_info;
mutex_lock(&ioc->scsih_cmds.mutex);
if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
@ -5825,6 +5831,8 @@ _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
FORCE_BIG_HAMMER);
return rc;
}
/* End of not defined SCSI_MPT2SAS */
#endif
/**
* _scsih_reprobe_lun - reprobing lun
@ -6017,8 +6025,10 @@ _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
if (!sas_device)
return;
#ifndef SCSI_MPT2SAS
/* hiding raid component */
_scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
#endif
if (starget)
starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
}
@ -6067,7 +6077,9 @@ _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
if (sas_device) {
#ifndef SCSI_MPT2SAS
_scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
#endif
return;
}
@ -6091,7 +6103,9 @@ _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
mpt3sas_transport_update_links(ioc, sas_address, handle,
sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
#ifndef SCSI_MPT2SAS
_scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
#endif
_scsih_add_device(ioc, handle, 0, 1);
}
@ -6202,13 +6216,14 @@ _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
if (ioc->shost_recovery) {
#ifndef SCSI_MPT2SAS
for (i = 0; i < event_data->NumElements; i++, element++) {
if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
_scsih_ir_fastpath(ioc,
le16_to_cpu(element->PhysDiskDevHandle),
element->PhysDiskNum);
}
#endif
return;
}
for (i = 0; i < event_data->NumElements; i++, element++) {