192 lines
4.1 KiB
C
192 lines
4.1 KiB
C
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
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#ifndef __TRANSPORT
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#define __TRANSPORT
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#include "libburn.h"
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#include <pthread.h>
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/* sg data structures */
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#include <sys/types.h>
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#ifdef __FreeBSD__
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#define BUFFER_SIZE 65536/2
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#else /* __FreeBSD__ */
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#define BUFFER_SIZE 65536
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#endif /* ! __FreeBSD__ */
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enum transfer_direction
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{ TO_DRIVE, FROM_DRIVE, NO_TRANSFER };
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/* end of sg data structures */
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/* generic 'drive' data structures */
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struct cue_sheet
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{
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int count;
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unsigned char *data;
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};
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struct params
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{
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int speed;
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int retries;
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};
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struct buffer
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{
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unsigned char data[BUFFER_SIZE];
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int sectors;
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int bytes;
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};
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struct command
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{
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unsigned char opcode[16];
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int oplen;
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int dir;
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unsigned char sense[128];
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int error;
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int retry;
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struct buffer *page;
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};
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struct burn_scsi_inquiry_data
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{
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char vendor[9];
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char product[17];
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char revision[5];
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int valid;
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};
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struct scsi_mode_data
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{
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int buffer_size;
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int dvdram_read;
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int dvdram_write;
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int dvdr_read;
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int dvdr_write;
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int dvdrom_read;
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int cdrw_read;
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int cdrw_write;
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int cdr_read;
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int cdr_write;
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int simulate;
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int max_read_speed;
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int max_write_speed;
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int cur_read_speed;
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int cur_write_speed;
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int retry_page_length;
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int retry_page_valid;
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int write_page_length;
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int write_page_valid;
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int c2_pointers;
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int valid;
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int underrun_proof;
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};
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#define LIBBURN_SG_MAX_SIBLINGS 16
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/** Gets initialized in enumerate_common() and burn_drive_register() */
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struct burn_drive
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{
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int bus_no;
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int host;
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int id;
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int channel;
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int lun;
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char *devname;
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#if defined(__FreeBSD__)
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struct cam_device* cam;
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#else
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int fd;
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/* ts A60926 : trying to lock against growisofs /dev/srN, /dev/scdN */
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int sibling_count;
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int sibling_fds[LIBBURN_SG_MAX_SIBLINGS];
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#endif
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/* ts A60904 : ticket 62, contribution by elmom */
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/**
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Tells the index in scanned burn_drive_info array.
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-1 if fallen victim to burn_drive_info_forget()
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*/
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int global_index;
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pthread_mutex_t access_lock;
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enum burn_disc_status status;
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int erasable;
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volatile int released;
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int nwa; /* next writeable address */
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int alba; /* absolute lba */
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int rlba; /* relative lba in section */
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int start_lba;
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int end_lba;
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int toc_temp;
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struct burn_disc *disc; /* disc structure */
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int block_types[4];
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struct buffer *buffer;
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struct burn_progress progress;
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volatile int cancel;
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volatile enum burn_drive_status busy;
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/* transport functions */
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int (*grab) (struct burn_drive *);
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int (*release) (struct burn_drive *);
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int (*issue_command) (struct burn_drive *, struct command *);
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/* lower level functions */
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void (*erase) (struct burn_drive *, int);
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void (*getcaps) (struct burn_drive *);
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int (*write) (struct burn_drive *, int, struct buffer *);
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void (*read_toc) (struct burn_drive *);
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void (*lock) (struct burn_drive *);
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void (*unlock) (struct burn_drive *);
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void (*eject) (struct burn_drive *);
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void (*load) (struct burn_drive *);
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void (*read_disc_info) (struct burn_drive *);
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void (*read_sectors) (struct burn_drive *,
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int start,
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int len,
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const struct burn_read_opts *, struct buffer *);
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void (*perform_opc) (struct burn_drive *);
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void (*set_speed) (struct burn_drive *, int, int);
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void (*send_parameters) (struct burn_drive *,
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const struct burn_read_opts *);
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void (*send_write_parameters) (struct burn_drive *,
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const struct burn_write_opts *);
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void (*send_cue_sheet) (struct burn_drive *, struct cue_sheet *);
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void (*sync_cache) (struct burn_drive *);
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int (*get_erase_progress) (struct burn_drive *);
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int (*get_nwa) (struct burn_drive *);
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/* ts A61009 : removed d in favor of o->drive */
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/* void (*close_disc) (struct burn_drive * d,
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struct burn_write_opts * o);
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void (*close_session) (struct burn_drive * d,
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struct burn_write_opts * o);
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*/
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void (*close_disc) (struct burn_write_opts * o);
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void (*close_session) ( struct burn_write_opts * o);
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int (*test_unit_ready) (struct burn_drive * d);
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void (*probe_write_modes) (struct burn_drive * d);
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struct params params;
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struct burn_scsi_inquiry_data *idata;
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struct scsi_mode_data *mdata;
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int toc_entries;
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struct burn_toc_entry *toc_entry;
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};
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/* end of generic 'drive' data structures */
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#endif /* __TRANSPORT */
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