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Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

pktcdvd.h (2403B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. /*
  3.  * Copyright (C) 2000 Jens Axboe <axboe@suse.de>
  4.  * Copyright (C) 2001-2004 Peter Osterlund <petero2@telia.com>
  5.  *
  6.  * May be copied or modified under the terms of the GNU General Public
  7.  * License.  See linux/COPYING for more information.
  8.  *
  9.  * Packet writing layer for ATAPI and SCSI CD-R, CD-RW, DVD-R, and
  10.  * DVD-RW devices.
  11.  *
  12.  */
  13. #ifndef __PKTCDVD_H
  14. #define __PKTCDVD_H
  16. #include <linux/types.h>
  18. /*
  19.  * UNUSED:
  20.  * 1 for normal debug messages, 2 is very verbose. 0 to turn it off.
  21.  */
  22. #define PACKET_DEBUG		1
  24. #define	MAX_WRITERS		8
  26. #define PKT_RB_POOL_SIZE	512
  28. /*
  29.  * How long we should hold a non-full packet before starting data gathering.
  30.  */
  31. #define PACKET_WAIT_TIME	(HZ * 5 / 1000)
  33. /*
  34.  * No user-servicable parts beyond this point ->
  35.  */
  37. /*
  38.  * device types
  39.  */
  40. #define PACKET_CDR		1
  41. #define	PACKET_CDRW		2
  42. #define PACKET_DVDR		3
  43. #define PACKET_DVDRW		4
  45. /*
  46.  * flags
  47.  */
  48. #define PACKET_WRITABLE		1	/* pd is writable */
  49. #define PACKET_NWA_VALID	2	/* next writable address valid */
  50. #define PACKET_LRA_VALID	3	/* last recorded address valid */
  51. #define PACKET_MERGE_SEGS	4	/* perform segment merging to keep */
  52. 					/* underlying cdrom device happy */
  54. /*
  55.  * Disc status -- from READ_DISC_INFO
  56.  */
  57. #define PACKET_DISC_EMPTY	0
  58. #define PACKET_DISC_INCOMPLETE	1
  59. #define PACKET_DISC_COMPLETE	2
  60. #define PACKET_DISC_OTHER	3
  62. /*
  63.  * write type, and corresponding data block type
  64.  */
  65. #define PACKET_MODE1		1
  66. #define PACKET_MODE2		2
  67. #define PACKET_BLOCK_MODE1	8
  68. #define PACKET_BLOCK_MODE2	10
  70. /*
  71.  * Last session/border status
  72.  */
  73. #define PACKET_SESSION_EMPTY		0
  74. #define PACKET_SESSION_INCOMPLETE	1
  75. #define PACKET_SESSION_RESERVED		2
  76. #define PACKET_SESSION_COMPLETE		3
  78. #define PACKET_MCN			"4a656e734178626f65323030300000"
  80. #undef PACKET_USE_LS
  82. #define PKT_CTRL_CMD_SETUP	0
  83. #define PKT_CTRL_CMD_TEARDOWN	1
  84. #define PKT_CTRL_CMD_STATUS	2
  86. struct pkt_ctrl_command {
  87. 	__u32 command;				/* in: Setup, teardown, status */
  88. 	__u32 dev_index;			/* in/out: Device index */
  89. 	__u32 dev;				/* in/out: Device nr for cdrw device */
  90. 	__u32 pkt_dev;				/* in/out: Device nr for packet device */
  91. 	__u32 num_devices;			/* out: Largest device index + 1 */
  92. 	__u32 padding;				/* Not used */
  93. };
  95. /*
  96.  * packet ioctls
  97.  */
  98. #define PACKET_IOCTL_MAGIC	('X')
  99. #define PACKET_CTRL_CMD		_IOWR(PACKET_IOCTL_MAGIC, 1, struct pkt_ctrl_command)
  102. #endif /* __PKTCDVD_H */