mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 02:46:59 +07:00
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2000 Jens Axboe <axboe@suse.de>
|
||
|
|
* Copyright (C) 2001-2004 Peter Osterlund <petero2@telia.com>
|
||
|
|
*
|
||
|
|
* May be copied or modified under the terms of the GNU General Public
|
||
|
|
* License. See linux/COPYING for more information.
|
||
|
|
*
|
||
|
|
* Packet writing layer for ATAPI and SCSI CD-R, CD-RW, DVD-R, and
|
||
|
|
* DVD-RW devices.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#ifndef _UAPI__PKTCDVD_H
|
||
|
|
#define _UAPI__PKTCDVD_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 1 for normal debug messages, 2 is very verbose. 0 to turn it off.
|
||
|
|
*/
|
||
|
|
#define PACKET_DEBUG 1
|
||
|
|
|
||
|
|
#define MAX_WRITERS 8
|
||
|
|
|
||
|
|
#define PKT_RB_POOL_SIZE 512
|
||
|
|
|
||
|
|
/*
|
||
|
|
* How long we should hold a non-full packet before starting data gathering.
|
||
|
|
*/
|
||
|
|
#define PACKET_WAIT_TIME (HZ * 5 / 1000)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* use drive write caching -- we need deferred error handling to be
|
||
|
|
* able to successfully recover with this option (drive will return good
|
||
|
|
* status as soon as the cdb is validated).
|
||
|
|
*/
|
||
|
|
#if defined(CONFIG_CDROM_PKTCDVD_WCACHE)
|
||
|
|
#define USE_WCACHING 1
|
||
|
|
#else
|
||
|
|
#define USE_WCACHING 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* No user-servicable parts beyond this point ->
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* device types
|
||
|
|
*/
|
||
|
|
#define PACKET_CDR 1
|
||
|
|
#define PACKET_CDRW 2
|
||
|
|
#define PACKET_DVDR 3
|
||
|
|
#define PACKET_DVDRW 4
|
||
|
|
|
||
|
|
/*
|
||
|
|
* flags
|
||
|
|
*/
|
||
|
|
#define PACKET_WRITABLE 1 /* pd is writable */
|
||
|
|
#define PACKET_NWA_VALID 2 /* next writable address valid */
|
||
|
|
#define PACKET_LRA_VALID 3 /* last recorded address valid */
|
||
|
|
#define PACKET_MERGE_SEGS 4 /* perform segment merging to keep */
|
||
|
|
/* underlying cdrom device happy */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Disc status -- from READ_DISC_INFO
|
||
|
|
*/
|
||
|
|
#define PACKET_DISC_EMPTY 0
|
||
|
|
#define PACKET_DISC_INCOMPLETE 1
|
||
|
|
#define PACKET_DISC_COMPLETE 2
|
||
|
|
#define PACKET_DISC_OTHER 3
|
||
|
|
|
||
|
|
/*
|
||
|
|
* write type, and corresponding data block type
|
||
|
|
*/
|
||
|
|
#define PACKET_MODE1 1
|
||
|
|
#define PACKET_MODE2 2
|
||
|
|
#define PACKET_BLOCK_MODE1 8
|
||
|
|
#define PACKET_BLOCK_MODE2 10
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Last session/border status
|
||
|
|
*/
|
||
|
|
#define PACKET_SESSION_EMPTY 0
|
||
|
|
#define PACKET_SESSION_INCOMPLETE 1
|
||
|
|
#define PACKET_SESSION_RESERVED 2
|
||
|
|
#define PACKET_SESSION_COMPLETE 3
|
||
|
|
|
||
|
|
#define PACKET_MCN "4a656e734178626f65323030300000"
|
||
|
|
|
||
|
|
#undef PACKET_USE_LS
|
||
|
|
|
||
|
|
#define PKT_CTRL_CMD_SETUP 0
|
||
|
|
#define PKT_CTRL_CMD_TEARDOWN 1
|
||
|
|
#define PKT_CTRL_CMD_STATUS 2
|
||
|
|
|
||
|
|
struct pkt_ctrl_command {
|
||
|
|
__u32 command; /* in: Setup, teardown, status */
|
||
|
|
__u32 dev_index; /* in/out: Device index */
|
||
|
|
__u32 dev; /* in/out: Device nr for cdrw device */
|
||
|
|
__u32 pkt_dev; /* in/out: Device nr for packet device */
|
||
|
|
__u32 num_devices; /* out: Largest device index + 1 */
|
||
|
|
__u32 padding; /* Not used */
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* packet ioctls
|
||
|
|
*/
|
||
|
|
#define PACKET_IOCTL_MAGIC ('X')
|
||
|
|
#define PACKET_CTRL_CMD _IOWR(PACKET_IOCTL_MAGIC, 1, struct pkt_ctrl_command)
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _UAPI__PKTCDVD_H */
|