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| author |   Adam Manzanares <adam.manzanares@wdc.com> | 2016-12-12 16:31:40 -0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-12-14 15:40:38 -0500 |
| commit | 307d9075a02b696e817b775c565e45c4fa3c32f2 (patch) | |
| tree | 4c5a1136a82e3248f85db962b2541cfbb44a75ec /drivers/scsi/mpt3sas/mpt3sas_base.h | |
| parent | scsi: qla2xxx: Fix Target mode handling with Multiqueue changes. (diff) | |
| download | linux-dev-307d9075a02b696e817b775c565e45c4fa3c32f2.tar.xz linux-dev-307d9075a02b696e817b775c565e45c4fa3c32f2.zip | |
scsi: mpt3sas: Recognize and act on iopriority info
This patch adds support for request iopriority handling in the mpt3sas
layer. This works only when a ATA device is behind the SATL. The ATA
device also has to indicate that it supports command priorities in the
identify information that is pulled from the SATL.
Signed-off-by: Adam Manzanares <adam.manzanares@wdc.com>
Acked-by: Sreekanth Reddy <Sreekanth.Reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_base.h')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 8de0eda8cd00..394fe1338d09 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -402,6 +402,9 @@ struct MPT3SAS_DEVICE { u8 block; u8 tlr_snoop_check; u8 ignore_delay_remove; + /* Iopriority Command Handling */ + u8 ncq_prio_enable; + }; #define MPT3_CMD_NOT_USED 0x8000 /* free */ @@ -1458,4 +1461,7 @@ mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, u16 smid); +/* NCQ Prio Handling Check */ +bool scsih_ncq_prio_supp(struct scsi_device *sdev); + #endif /* MPT3SAS_BASE_H_INCLUDED */ |