diff options
Diffstat (limited to 'include/linux/cdrom.h')
| -rw-r--r-- | include/linux/cdrom.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index f7e7d7b5c..1cd8cbeda 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -334,6 +334,27 @@ struct cdrom_read_audio u_char *buf; /* frame buffer (size: nframes*2352 bytes) */ }; +/* + * this has to be the "arg" of the CDROMMULTISESSION ioctl + * for obtaining multi session info. + * The returned "addr" is valid only if "xa_flag" is true. + */ +struct cdrom_multisession + { + union + { + struct + { + u_char minute; + u_char second; + u_char frame; + } msf; + int lba; + } addr; /* frame address: start-of-last-session (not the new "frame 16"!)*/ + u_char xa_flag; /* 1: "is XA disk" */ + u_char addr_format; /* CDROM_LBA or CDROM_MSF */ + }; + #ifdef FIVETWELVE #define CDROM_MODE1_SIZE 512 #else @@ -387,6 +408,10 @@ struct cdrom_read_audio * (still may change if other drivers will use it, too): */ #define CDROMEJECT_SW 0x530f /* arg: 0 or 1 */ + +/* + * obtain the start-of-last-session address of multi session disks + */ +#define CDROMMULTISESSION 0x5310 /* (struct cdrom_multisession) */ #endif _LINUX_CDROM_H - |