diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/scsi/scsi.h | 1 | ||||
| -rw-r--r-- | include/scsi/sg.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/pr.h | 17 |
3 files changed, 19 insertions, 1 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 3e46859774c8..ec093594ba53 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -121,6 +121,7 @@ enum scsi_disposition { * msg_byte (unused) * host_byte = set by low-level driver to indicate status. */ +#define status_byte(result) (result & 0xff) #define host_byte(result) (((result) >> 16) & 0xff) #define sense_class(sense) (((sense) >> 4) & 0x7) diff --git a/include/scsi/sg.h b/include/scsi/sg.h index 068e35d36557..af31cecd9012 100644 --- a/include/scsi/sg.h +++ b/include/scsi/sg.h @@ -159,7 +159,7 @@ struct compat_sg_io_hdr { #define TASK_ABORTED 0x20 /* Obsolete status_byte() declaration */ -#define status_byte(result) (((result) >> 1) & 0x7f) +#define sg_status_byte(result) (((result) >> 1) & 0x7f) typedef struct sg_scsi_id { /* used by SG_GET_SCSI_ID ioctl() */ int host_no; /* as in "scsi<n>" where 'n' is one of 0, 1, 2 etc */ diff --git a/include/uapi/linux/pr.h b/include/uapi/linux/pr.h index ccc78cbf1221..d8126415966f 100644 --- a/include/uapi/linux/pr.h +++ b/include/uapi/linux/pr.h @@ -4,6 +4,23 @@ #include <linux/types.h> +enum pr_status { + PR_STS_SUCCESS = 0x0, + /* + * The following error codes are based on SCSI, because the interface + * was originally created for it and has existing users. + */ + /* Generic device failure. */ + PR_STS_IOERR = 0x2, + PR_STS_RESERVATION_CONFLICT = 0x18, + /* Temporary path failure that can be retried. */ + PR_STS_RETRY_PATH_FAILURE = 0xe0000, + /* The request was failed due to a fast failure timer. */ + PR_STS_PATH_FAST_FAILED = 0xf0000, + /* The path cannot be reached and has been marked as failed. */ + PR_STS_PATH_FAILED = 0x10000, +}; + enum pr_type { PR_WRITE_EXCLUSIVE = 1, PR_EXCLUSIVE_ACCESS = 2, |