diff options
| author |   Viswas G <Viswas.G@microchip.com> | 2020-10-05 20:20:10 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-10-07 23:50:04 -0400 |
| commit | 5a141315ed7c2647fa4518570c4941a02588b466 (patch) | |
| tree | 28aa27fc553e3517b199d6ea2b7d0b4cca642a47 /drivers/scsi/pm8001/pm8001_defs.h | |
| parent | scsi: pm80xx: Remove DMA memory allocation for ccb and device structures (diff) | |
| download | linux-dev-5a141315ed7c2647fa4518570c4941a02588b466.tar.xz linux-dev-5a141315ed7c2647fa4518570c4941a02588b466.zip | |
scsi: pm80xx: Increase the number of outstanding I/O supported to 1024
The pm80xx driver currently sets the controller queue depth to
256. Hoewver, the controller supports outstanding I/Os up 1024.
Increase the number of outstanding I/Os from 256 to 1024. CCBs and tags
are allocated according to outstanding I/Os. Also update the can_queue
value (max_out_io - PM8001_RESERVE_SLOT) used by the SCSI midlayer.
[mkp: fixed zeroday complaint]
Link: https://lore.kernel.org/r/20201005145011.23674-4-Viswas.G@microchip.com.com
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_defs.h')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_defs.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/pm8001/pm8001_defs.h b/drivers/scsi/pm8001/pm8001_defs.h index 1bf1bcfaf010..501b574239e8 100644 --- a/drivers/scsi/pm8001/pm8001_defs.h +++ b/drivers/scsi/pm8001/pm8001_defs.h @@ -75,7 +75,7 @@ enum port_type { }; /* driver compile-time configuration */ -#define PM8001_MAX_CCB 256 /* max ccbs supported */ +#define PM8001_MAX_CCB 1024 /* max ccbs supported */ #define PM8001_MPI_QUEUE 1024 /* maximum mpi queue entries */ #define PM8001_MAX_INB_NUM 64 #define PM8001_MAX_OUTB_NUM 64 @@ -90,9 +90,11 @@ enum port_type { #define PM8001_MAX_PORTS 16 /* max. possible ports */ #define PM8001_MAX_DEVICES 2048 /* max supported device */ #define PM8001_MAX_MSIX_VEC 64 /* max msi-x int for spcv/ve */ +#define PM8001_RESERVE_SLOT 8 #define CONFIG_SCSI_PM8001_MAX_DMA_SG 528 #define PM8001_MAX_DMA_SG CONFIG_SCSI_PM8001_MAX_DMA_SG + enum memory_region_num { AAP1 = 0x0, /* application acceleration processor */ IOP, /* IO processor */ |