diff options
Diffstat (limited to 'include/ahci.h')
| -rw-r--r-- | include/ahci.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/ahci.h b/include/ahci.h index 465ea7f..c4fb9e7 100644 --- a/include/ahci.h +++ b/include/ahci.h @@ -30,12 +30,13 @@ #define AHCI_PCI_BAR 0x24 #define AHCI_MAX_SG 56 /* hardware max is 64K */ #define AHCI_CMD_SLOT_SZ 32 +#define AHCI_MAX_CMD_SLOT 32 #define AHCI_RX_FIS_SZ 256 #define AHCI_CMD_TBL_HDR 0x80 #define AHCI_CMD_TBL_CDB 0x40 #define AHCI_CMD_TBL_SZ AHCI_CMD_TBL_HDR + (AHCI_MAX_SG * 16) -#define AHCI_PORT_PRIV_DMA_SZ AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_SZ \ - + AHCI_RX_FIS_SZ +#define AHCI_PORT_PRIV_DMA_SZ (AHCI_CMD_SLOT_SZ * AHCI_MAX_CMD_SLOT + \ + AHCI_CMD_TBL_SZ + AHCI_RX_FIS_SZ) #define AHCI_CMD_ATAPI (1 << 5) #define AHCI_CMD_WRITE (1 << 6) #define AHCI_CMD_PREFETCH (1 << 7) |