libisofs-legacy/libburn/sg.h

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2006-08-15 20:37:04 +00:00
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SG
#define __SG
#ifdef __FreeBSD__
/* >>> To hold all state information of BSD device enumeration
which are now local in sg_enumerate() . So that sg_give_next_adr()
can work in BSD and sg_enumerate() can use it. */
struct burn_drive_enumeration_state {
#ifdef Scsi_freebsd_old_sg_enumeratE
int dummy;
#else
union ccb ccb;
int bufsize, fd;
unsigned int i;
int skip_device;
#endif /* ! Scsi_freebsd_old_sg_enumeratE */
};
typedef struct burn_drive_enumeration_state burn_drive_enumerator_t;
#else /* __FreeBSD__ */
/* <<< just for testing the C syntax */
struct burn_drive_enumeration_state {
int dummy;
};
typedef struct burn_drive_enumeration_state burn_drive_enumerator_tX;
typedef int burn_drive_enumerator_t;
#endif /* ! __FreeBSD__ */
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struct burn_drive;
struct command;
enum response
{ RETRY, FAIL };
/* ts A60925 : ticket 74 */
int sg_close_drive_fd(char *fname, int driveno, int *fd, int sorry);
/* ts A60922 ticket 33 */
int sg_give_next_adr(burn_drive_enumerator_t *enm_context,
char adr[], int adr_size, int initialize);
int sg_is_enumerable_adr(char *adr);
int sg_obtain_scsi_adr(char *path, int *bus_no, int *host_no, int *channel_no,
int *target_no, int *lun_no);
/* ts A60926 : ticket 33 ++ */
int sg_open_scsi_siblings(char *fname, int driveno,
int sibling_fds[], int *sibling_count,
int host_no, int channel_no, int id_no, int lun_no);
int sg_release_siblings(int sibling_fds[], int *sibling_count);
int sg_close_drive(struct burn_drive *d);
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void sg_enumerate(void);
void ata_enumerate(void);
int sg_grab(struct burn_drive *);
int sg_release(struct burn_drive *);
int sg_issue_command(struct burn_drive *, struct command *);
enum response scsi_error(struct burn_drive *, unsigned char *, int);
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#endif /* __SG */