diff options
Diffstat (limited to 'sys/include/dev/ic/ahciregs.h')
| -rw-r--r-- | sys/include/dev/ic/ahciregs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/include/dev/ic/ahciregs.h b/sys/include/dev/ic/ahciregs.h index 2f2fa84..f73e587 100644 --- a/sys/include/dev/ic/ahciregs.h +++ b/sys/include/dev/ic/ahciregs.h @@ -126,6 +126,7 @@ struct hba_memspace { #define AHCI_CAP_NCS(CAP) ((CAP >> 8) & 0x1F) /* Number of command slots */ #define AHCI_CAP_EMS(CAP) ((CAP >> 6) & 1) /* Enclosure management support */ #define AHCI_CAP_SAL(CAP) ((CAP >> 25) & 1) /* Supports activity LED */ +#define AHCI_CAP_SSS(CAP) ((CAP >> 27) & 1) /* Supports staggered spin up */ /* * Device detection (DET) and Interface power |