![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to disk.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple Darwin 0.x] / kernel / bsd / dev|
Return to disk.h CVS log | Up to [Apple Darwin 0.x] / kernel / bsd / dev |
1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* @(#)disk.h 1.0 08/29/87 (c) 1987 NeXT */
26:
27: /*
28: * HISTORY
29: * 28-Mar-92 Doug Mitchell
30: * Moved disk_label struct to <bsd/dev/disk_label.h>.
31: *
32: * 22-May-91 Gregg Kellogg (gk) at NeXT
33: * Split out public interface.
34: *
35: * 20-Jul-90 Doug Mitchell
36: * Added DKIOCSFORMAT, DKIOCGFORMAT
37: *
38: * 16-Apr-90 Doug Mitchell at NeXT
39: * Added DKIOCPANELPRT.
40: *
41: * 25-Mar-90 John Seamons (jks) at NeXT
42: * Removed obsolete DKIOCNOTIFY and DKIOCINSERT.
43: *
44: * 23-Mar-90 Doug Mitchell
45: * Added DKIOCEJECT.
46: *
47: * 14-Feb-90 Doug Mitchell at NeXT
48: * Added DKIOCMNOTIFY.
49: *
50: * 16-Mar-88 John Seamons (jks) at NeXT
51: * Cleaned up to support standard disk label definitions.
52: *
53: * 24-Feb-88 Mike DeMoney (mike) at NeXT
54: * Added defines for dl_bootfile and dl_boot0_blkno.
55: * Reduced NBAD to allow for these entries in disktab.
56: *
57: * 29-Aug-87 John Seamons (jks) at NeXT
58: * Created.
59: *
60: */
61:
62: #ifndef _BSD_DEV_DISK_
63: #define _BSD_DEV_DISK_
64:
65: #import <mach/machine/vm_types.h>
66: #import <mach/machine/boolean.h>
67: #import <sys/types.h>
68: #import <sys/ioctl.h>
69: #import <sys/time.h>
70: #import <bsd/dev/disk_label.h>
71:
72: #define DR_CMDSIZE 32
73: #define DR_ERRSIZE 32
74:
75: struct disk_req {
76: int dr_bcount; /* byte count for data transfers */
77: caddr_t dr_addr; /* memory addr for data transfers */
78: struct timeval dr_exec_time; /* execution time of operation */
79:
80: /*
81: * interpretation of cmdblk and errblk is driver specific.
82: */
83: char dr_cmdblk[DR_CMDSIZE];
84: char dr_errblk[DR_ERRSIZE];
85: };
86:
87: struct sdc_wire {
88: vm_offset_t start, end;
89: boolean_t new_pageable;
90: };
91:
92:
93: #define BAD_BLK_OFF 4 /* offset of bad blk tbl from label */
94: #define NBAD_BLK (12 * 1024 / sizeof (int))
95:
96: struct bad_block { /* bad block table, sized to be 12KB */
97: int bad_blk[NBAD_BLK];
98: };
99:
100: /*
101: * sector bitmap states (2 bits per sector)
102: */
103: #define SB_UNTESTED 0 /* must be zero */
104: #define SB_BAD 1
105: #define SB_WRITTEN 2
106: #define SB_ERASED 3
107:
108: struct drive_info { /* info about drive hardware */
109: char di_name[MAXDNMLEN]; /* drive type name */
110: int di_label_blkno[NLABELS];/* label loc'ns in DEVICE SECTORS */
111: int di_devblklen; /* device sector size */
112: int di_maxbcount; /* max bytes per transfer request */
113: };
114:
115: #define DS_STATSIZE 32
116:
117: struct disk_stats {
118: int s_ecccnt; /* avg ECC corrections per sector */
119: int s_maxecc; /* max ECC corrections observed */
120:
121: /*
122: * interpretation of s_stats is driver specific
123: */
124: char s_stats[DS_STATSIZE];
125: };
126:
127: struct drive_location {
128: char location[ 128 ];
129: };
130:
131: #define DKIOCGLABEL _IOR('d', 0,struct disk_label) // read label
132: #define DKIOCSLABEL _IOW('d', 1,struct disk_label) // write label
133: #define DKIOCGBITMAP _IO('d', 2) // read bitmap
134: #define DKIOCSBITMAP _IO('d', 3) // write bitmap
135: #define DKIOCREQ _IOWR('d', 4, struct disk_req) // cmd request
136: #define DKIOCINFO _IOR('d', 5, struct drive_info) // get drive info
137: #define DKIOCZSTATS _IO('d',7) // zero statistics
138: #define DKIOCGSTATS _IO('d', 8) // get statistics
139: #define DKIOCRESET _IO('d', 9) // reset disk
140: #define DKIOCGFLAGS _IOR('d', 11, int) // get driver flags
141: #define DKIOCSFLAGS _IOW('d', 12, int) // set driver flags
142: #define DKIOCSDCWIRE _IOW('d', 14, struct sdc_wire) // sdc wire memory
143: #define DKIOCSDCLOCK _IO('d', 15) // sdc lock
144: #define DKIOCSDCUNLOCK _IO('d', 16) // sdc unlock
145: #define DKIOCGFREEVOL _IOR('d', 17, int) // get free volume #
146: #define DKIOCGBBT _IO('d', 18) // read bad blk tbl
147: #define DKIOCSBBT _IO('d', 19) // write bad blk tbl
148: #define DKIOCMNOTIFY _IOW('d', 20, int) // message on insert
149: #define DKIOCEJECT _IO('d', 21) // eject disk
150: #define DKIOCPANELPRT _IOW('d', 22, int) // register Panel
151: // Request port
152: #define DKIOCSFORMAT _IOW('d', 23, int) // set 'Formatted' flag
153: #define DKIOCGFORMAT _IOR('d', 23, int) // get 'Formatted' flag
154: #define DKIOCBLKSIZE _IOR('d', 24, int) // device sector size
155: #define DKIOCNUMBLKS _IOR('d', 25, int) // number of sectors
156: #define DKIOCCHECKINSERT _IO('d',26) // manually poll removable
157: // media drive
158: #define DKIOCCANCELAUTOMOUNT _IOW('d',27, dev_t) // cancel automount request
159: #define DKIOCGLOCATION _IOR('d',28, struct drive_location) // arch dependent location descrip
160: #endif /* _BSD_DEV_DISK_ */
161:
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.