/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #pragma src "/sys/src/libdisk"#pragma lib "libdisk.a" /* SCSI interface */typedef struct Scsi Scsi;struct Scsi {	QLock;	char*	inquire;	int	rawfd;	int	nchange;	ulong	changetime;}; enum {	Sread = 0,	Swrite,	Snone,}; char*	scsierror(int, int);int		scsicmd(Scsi*, uchar*, int, void*, int, int);int		scsi(Scsi*, uchar*, int, void*, int, int);Scsi*		openscsi(char*);void		closescsi(Scsi*);int		scsiready(Scsi*); extern int		scsiverbose; /* disk partition interface */typedef struct Disk Disk;struct Disk {	char *prefix;	char *part;	int fd;	int wfd;	int ctlfd;	int rdonly;	int type; 	vlong secs;	vlong secsize;	vlong size;	vlong offset;	/* within larger disk, perhaps */	int width;	/* of disk size in bytes as decimal string */	int c;	int h;	int s;	int chssrc;}; Disk*	opendisk(char*, int, int); enum {	Tfile = 0,	Tsd,	Tfloppy, 	Gpart = 0,	/* partition info source */	Gdisk,	Gguess,};enum {					/* SCSI command codes */	ScmdTur		= 0x00,		/* test unit ready */	ScmdRewind	= 0x01,		/* rezero/rewind */	ScmdRsense	= 0x03,		/* request sense */	ScmdFormat	= 0x04,		/* format unit */	ScmdRblimits	= 0x05,		/* read block limits */	ScmdRead	= 0x08,		/* read */	ScmdWrite	= 0x0A,		/* write */	ScmdSeek	= 0x0B,		/* seek */	ScmdFmark	= 0x10,		/* write filemarks */	ScmdSpace	= 0x11,		/* space forward/backward */	ScmdInq		= 0x12,		/* inquiry */	ScmdMselect6	= 0x15,		/* mode select */	ScmdMselect10	= 0x55,		/* mode select */	ScmdMsense6	= 0x1A,		/* mode sense */	ScmdMsense10	= 0x5A,		/* mode sense */	ScmdStart	= 0x1B,		/* start/stop unit */	ScmdRcapacity	= 0x25,		/* read capacity */	ScmdRcapacity16	= 0x9e,		/* long read capacity */	ScmdRformatcap	= 0x23,		/* read format capacity */	ScmdExtread	= 0x28,		/* extended read (10 bytes) */	ScmdRead16	= 0x88,		/* long read (16 bytes) */	ScmdExtwrite	= 0x2A,		/* extended write (10 bytes) */	ScmdExtwritever = 0x2E,		/* extended write and verify (10) */	ScmdWrite16	= 0x8A,		/* long write (16 bytes) */	ScmdExtseek	= 0x2B,		/* extended seek */ 	ScmdSynccache	= 0x35,		/* flush cache */	ScmdRTOC	= 0x43,		/* read TOC data */	ScmdRdiscinfo	= 0x51,		/* read disc information */	ScmdRtrackinfo	= 0x52,		/* read track information */	ScmdReserve	= 0x53,		/* reserve track */	ScmdBlank	= 0xA1,		/* blank *-RW media */ 	ScmdCDpause	= 0x4B,		/* pause/resume */	ScmdCDstop	= 0x4E,		/* stop play/scan */	ScmdCDplay	= 0xA5,		/* play audio */	ScmdCDload	= 0xA6,		/* load/unload */	ScmdCDscan	= 0xBA,		/* fast forward/reverse */	ScmdCDstatus	= 0xBD,		/* mechanism status */	Scmdgetconf	= 0x46,		/* get configuration */ 	ScmdEInitialise	= 0x07,		/* initialise element status */	ScmdMMove	= 0xA5,		/* move medium */	ScmdEStatus	= 0xB8,		/* read element status */	ScmdMExchange	= 0xA6,		/* exchange medium */	ScmdEposition	= 0x2B,		/* position to element */ 	ScmdReadDVD	= 0xAD,		/* read dvd structure */	ScmdReportKey	= 0xA4,		/* read dvd key */	ScmdSendKey	= 0xA3,		/* write dvd key */ 	ScmdClosetracksess= 0x5B,	ScmdRead12	= 0xA8,	ScmdSetcdspeed	= 0xBB,	ScmdReadcd	= 0xBE, 	/* vendor-specific */	ScmdFwaddr	= 0xE2,		/* first writeable address */	ScmdTreserve	= 0xE4,		/* reserve track */	ScmdTinfo	= 0xE5,		/* read track info */	ScmdTwrite	= 0xE6,		/* write track */	ScmdMload	= 0xE7,		/* medium load/unload */	ScmdFixation	= 0xE9,		/* fixation */}; /* proto file parsing */typedef void Protoenum(char *new, char *old, Dir *d, void *a);typedef void Protowarn(char *msg, void *a);int rdproto(char*, char*, Protoenum*, Protowarn*, void*);