diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshci.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshci.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h index 9abc7e32b43d..e1b844bc9460 100644 --- a/drivers/scsi/ufs/ufshci.h +++ b/drivers/scsi/ufs/ufshci.h @@ -296,6 +296,11 @@ enum { MASK_OCS = 0x0F, }; +/* The maximum length of the data byte count field in the PRDT is 256KB */ +#define PRDT_DATA_BYTE_COUNT_MAX (256 * 1024) +/* The granularity of the data byte count field in the PRDT is 32-bit */ +#define PRDT_DATA_BYTE_COUNT_PAD 4 + /** * struct ufshcd_sg_entry - UFSHCI PRD Entry * @base_addr: Lower 32bit physical address DW-0 |