134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
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#pragma src "/sys/src/libdisk"
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#pragma lib "libdisk.a"
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/* SCSI interface */
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typedef struct Scsi Scsi;
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struct Scsi {
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QLock ql;
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char* inquire;
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int rawfd;
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int nchange;
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uint32_t changetime;
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};
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enum {
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Sread = 0,
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Swrite,
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Snone,
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};
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char* scsierror(int, int);
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int scsicmd(Scsi*, uint8_t*, int, void*, int, int);
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int scsi(Scsi*, uint8_t*, int, void*, int, int);
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Scsi* openscsi(char*);
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void closescsi(Scsi*);
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int scsiready(Scsi*);
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extern int scsiverbose;
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/* disk partition interface */
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typedef struct Disk Disk;
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struct Disk {
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char *prefix;
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char *part;
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int fd;
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int wfd;
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int ctlfd;
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int rdonly;
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int type;
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int64_t secs;
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int64_t secsize;
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int64_t size;
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int64_t offset; /* within larger disk, perhaps */
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int width; /* of disk size in bytes as decimal string */
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int psecsize;
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int physalign;
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int c;
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int h;
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int s;
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int chssrc;
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};
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Disk* opendisk(char*, int, int);
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enum {
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Tfile = 0,
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Tsd,
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Tfloppy,
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Gpart = 0, /* partition info source */
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Gdisk,
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Gguess,
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};
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enum { /* SCSI command codes */
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ScmdTur = 0x00, /* test unit ready */
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ScmdRewind = 0x01, /* rezero/rewind */
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ScmdRsense = 0x03, /* request sense */
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ScmdFormat = 0x04, /* format unit */
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ScmdRblimits = 0x05, /* read block limits */
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ScmdRead = 0x08, /* read */
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ScmdWrite = 0x0A, /* write */
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ScmdSeek = 0x0B, /* seek */
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ScmdFmark = 0x10, /* write filemarks */
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ScmdSpace = 0x11, /* space forward/backward */
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ScmdInq = 0x12, /* inquiry */
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ScmdMselect6 = 0x15, /* mode select */
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ScmdMselect10 = 0x55, /* mode select */
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ScmdMsense6 = 0x1A, /* mode sense */
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ScmdMsense10 = 0x5A, /* mode sense */
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ScmdStart = 0x1B, /* start/stop unit */
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ScmdRcapacity = 0x25, /* read capacity */
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ScmdRcapacity16 = 0x9e, /* long read capacity */
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ScmdRformatcap = 0x23, /* read format capacity */
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ScmdExtread = 0x28, /* extended read (10 bytes) */
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ScmdRead16 = 0x88, /* long read (16 bytes) */
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ScmdExtwrite = 0x2A, /* extended write (10 bytes) */
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ScmdExtwritever = 0x2E, /* extended write and verify (10) */
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ScmdWrite16 = 0x8A, /* long write (16 bytes) */
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ScmdExtseek = 0x2B, /* extended seek */
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ScmdSynccache = 0x35, /* flush cache */
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ScmdRTOC = 0x43, /* read TOC data */
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ScmdRdiscinfo = 0x51, /* read disc information */
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ScmdRtrackinfo = 0x52, /* read track information */
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ScmdReserve = 0x53, /* reserve track */
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ScmdBlank = 0xA1, /* blank *-RW media */
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ScmdCDpause = 0x4B, /* pause/resume */
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ScmdCDstop = 0x4E, /* stop play/scan */
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ScmdCDplay = 0xA5, /* play audio */
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ScmdCDload = 0xA6, /* load/unload */
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ScmdCDscan = 0xBA, /* fast forward/reverse */
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ScmdCDstatus = 0xBD, /* mechanism status */
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Scmdgetconf = 0x46, /* get configuration */
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ScmdEInitialise = 0x07, /* initialise element status */
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ScmdMMove = 0xA5, /* move medium */
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ScmdEStatus = 0xB8, /* read element status */
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ScmdMExchange = 0xA6, /* exchange medium */
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ScmdEposition = 0x2B, /* position to element */
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ScmdReadDVD = 0xAD, /* read dvd structure */
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ScmdReportKey = 0xA4, /* read dvd key */
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ScmdSendKey = 0xA3, /* write dvd key */
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ScmdClosetracksess= 0x5B,
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ScmdRead12 = 0xA8,
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ScmdSetcdspeed = 0xBB,
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ScmdReadcd = 0xBE,
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/* vendor-specific */
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ScmdFwaddr = 0xE2, /* first writeable address */
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ScmdTreserve = 0xE4, /* reserve track */
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ScmdTinfo = 0xE5, /* read track info */
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ScmdTwrite = 0xE6, /* write track */
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ScmdMload = 0xE7, /* medium load/unload */
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ScmdFixation = 0xE9, /* fixation */
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};
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/* proto file parsing */
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typedef void Protoenum(char *new, char *old, Dir *d, void *a);
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typedef void Protowarn(char *msg, void *a);
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int rdproto(char*, char*, Protoenum*, Protowarn*, void*);
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