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| author | Viswas G <Viswas.G@microchip.com> | 2020-10-05 20:20:09 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-10-07 23:50:04 -0400 |
| commit | 27bc43bd7c42b3995d16ad63794e355ae865a3a3 (patch) | |
| tree | 6d19237503cfee0afcb8acc3bc8800ff675edc35 /drivers/scsi/pm8001/pm8001_defs.h | |
| parent | 05c6c029a44d9f43715577e33e95eba87f44d285 (diff) | |
| download | linux-stable-27bc43bd7c42b3995d16ad63794e355ae865a3a3.tar.gz linux-stable-27bc43bd7c42b3995d16ad63794e355ae865a3a3.tar.bz2 linux-stable-27bc43bd7c42b3995d16ad63794e355ae865a3a3.zip | |
scsi: pm80xx: Remove DMA memory allocation for ccb and device structures
Remove DMA memory allocation for Devices and CCB structure. Instead
allocate memory outside of DMA memory. DMA memory is a limited system
resource and it is better to allocate memory outside of DMA memory when
possible.
Link: https://lore.kernel.org/r/20201005145011.23674-3-Viswas.G@microchip.com.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 | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/scsi/pm8001/pm8001_defs.h b/drivers/scsi/pm8001/pm8001_defs.h index a4f52a5a449e..1bf1bcfaf010 100644 --- a/drivers/scsi/pm8001/pm8001_defs.h +++ b/drivers/scsi/pm8001/pm8001_defs.h @@ -91,17 +91,15 @@ enum port_type { #define PM8001_MAX_DEVICES 2048 /* max supported device */ #define PM8001_MAX_MSIX_VEC 64 /* max msi-x int for spcv/ve */ -#define USI_MAX_MEMCNT_BASE 5 #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 */ NVMD, /* NVM device */ - DEV_MEM, /* memory for devices */ - CCB_MEM, /* memory for command control block */ FW_FLASH, /* memory for fw flash update */ - FORENSIC_MEM /* memory for fw forensic data */ + FORENSIC_MEM, /* memory for fw forensic data */ + USI_MAX_MEMCNT_BASE }; #define PM8001_EVENT_LOG_SIZE (128 * 1024) @@ -109,7 +107,7 @@ enum memory_region_num { * maximum DMA memory regions(number of IBQ + number of IBQ CI * + number of OBQ + number of OBQ PI) */ -#define USI_MAX_MEMCNT (USI_MAX_MEMCNT_BASE + 1 + ((2 * PM8001_MAX_INB_NUM) \ +#define USI_MAX_MEMCNT (USI_MAX_MEMCNT_BASE + ((2 * PM8001_MAX_INB_NUM) \ + (2 * PM8001_MAX_OUTB_NUM))) /*error code*/ enum mpi_err { |