On 11/11/2015 01:00 PM, Sreekanth Reddy wrote:
> From: Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxxx>
>
> Don't send PHYDISK_HIDDEN Raid Action request for SAS2 HBA's.
> Since these HBA's doesn't support this Raid Action.
>
> Also enable fast_path only for SAS3 HBA's.
>
> Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@xxxxxxxxxxxxx>
> ---
> drivers/scsi/mpt3sas/mpt3sas_scsih.c | 19 +++++++++++++++++--
> 1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> index a638920..80469d0 100644
> --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> @@ -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++) {
>
Why didn't you use 'hba_mpi_version_belonged' here?
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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