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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* @(#)disk.h 1.0 08/29/87 (c) 1987 NeXT */
23:
24: /*
25: * HISTORY
26: * 28-Mar-92 Doug Mitchell
27: * Moved disk_label struct to <bsd/dev/disk_label.h>.
28: *
29: * 22-May-91 Gregg Kellogg (gk) at NeXT
30: * Split out public interface.
31: *
32: * 20-Jul-90 Doug Mitchell
33: * Added DKIOCSFORMAT, DKIOCGFORMAT
34: *
35: * 16-Apr-90 Doug Mitchell at NeXT
36: * Added DKIOCPANELPRT.
37: *
38: * 25-Mar-90 John Seamons (jks) at NeXT
39: * Removed obsolete DKIOCNOTIFY and DKIOCINSERT.
40: *
41: * 23-Mar-90 Doug Mitchell
42: * Added DKIOCEJECT.
43: *
44: * 14-Feb-90 Doug Mitchell at NeXT
45: * Added DKIOCMNOTIFY.
46: *
47: * 16-Mar-88 John Seamons (jks) at NeXT
48: * Cleaned up to support standard disk label definitions.
49: *
50: * 24-Feb-88 Mike DeMoney (mike) at NeXT
51: * Added defines for dl_bootfile and dl_boot0_blkno.
52: * Reduced NBAD to allow for these entries in disktab.
53: *
54: * 29-Aug-87 John Seamons (jks) at NeXT
55: * Created.
56: *
57: */
58:
59: #ifndef _BSD_DEV_DISK_
60: #define _BSD_DEV_DISK_
61:
62: #include <mach/machine/vm_types.h>
63: #include <mach/machine/boolean.h>
64: #include <sys/types.h>
65: #include <sys/ioctl.h>
66: #include <sys/time.h>
67: #include <dev/disk_label.h>
68:
69: #define DR_CMDSIZE 32
70: #define DR_ERRSIZE 32
71:
72: struct disk_req {
73: int dr_bcount; /* byte count for data transfers */
74: caddr_t dr_addr; /* memory addr for data transfers */
75: struct timeval dr_exec_time; /* execution time of operation */
76:
77: /*
78: * interpretation of cmdblk and errblk is driver specific.
79: */
80: char dr_cmdblk[DR_CMDSIZE];
81: char dr_errblk[DR_ERRSIZE];
82: };
83:
84: struct sdc_wire {
85: vm_offset_t start, end;
86: boolean_t new_pageable;
87: };
88:
89:
90: #define BAD_BLK_OFF 4 /* offset of bad blk tbl from label */
91: #define NBAD_BLK (12 * 1024 / sizeof (int))
92:
93: struct bad_block { /* bad block table, sized to be 12KB */
94: int bad_blk[NBAD_BLK];
95: };
96:
97: /*
98: * sector bitmap states (2 bits per sector)
99: */
100: #define SB_UNTESTED 0 /* must be zero */
101: #define SB_BAD 1
102: #define SB_WRITTEN 2
103: #define SB_ERASED 3
104:
105: struct drive_info { /* info about drive hardware */
106: char di_name[MAXDNMLEN]; /* drive type name */
107: int di_label_blkno[NLABELS];/* label loc'ns in DEVICE SECTORS */
108: int di_devblklen; /* device sector size */
109: int di_maxbcount; /* max bytes per transfer request */
110: };
111:
112: #define DS_STATSIZE 32
113:
114: struct disk_stats {
115: int s_ecccnt; /* avg ECC corrections per sector */
116: int s_maxecc; /* max ECC corrections observed */
117:
118: /*
119: * interpretation of s_stats is driver specific
120: */
121: char s_stats[DS_STATSIZE];
122: };
123:
124: struct drive_location {
125: char location[ 128 ];
126: };
127:
128: #define DKIOCGLABEL _IOR('d', 0,struct disk_label) /* read label */
129: #define DKIOCSLABEL _IOW('d', 1,struct disk_label) /* write label */
130: #define DKIOCGBITMAP _IO('d', 2) /* read bitmap */
131: #define DKIOCSBITMAP _IO('d', 3) /* write bitmap */
132: #define DKIOCREQ _IOWR('d', 4, struct disk_req) /* cmd request */
133: #define DKIOCINFO _IOR('d', 5, struct drive_info) /* get drive info */
134: #define DKIOCZSTATS _IO('d',7) /* zero statistics */
135: #define DKIOCGSTATS _IO('d', 8) /* get statistics */
136: #define DKIOCRESET _IO('d', 9) /* reset disk */
137: #define DKIOCGFLAGS _IOR('d', 11, int) /* get driver flags */
138: #define DKIOCSFLAGS _IOW('d', 12, int) /* set driver flags */
139: #define DKIOCSDCWIRE _IOW('d', 14, struct sdc_wire) /* sdc wire memory */
140: #define DKIOCSDCLOCK _IO('d', 15) /* sdc lock */
141: #define DKIOCSDCUNLOCK _IO('d', 16) /* sdc unlock */
142: #define DKIOCGFREEVOL _IOR('d', 17, int) /* get free volume # */
143: #define DKIOCGBBT _IO('d', 18) /* read bad blk tbl */
144: #define DKIOCSBBT _IO('d', 19) /* write bad blk tbl */
145: #define DKIOCMNOTIFY _IOW('d', 20, int) /* message on insert */
146: #define DKIOCEJECT _IO('d', 21) /* eject disk */
147: #define DKIOCPANELPRT _IOW('d', 22, int) /* register Panel */
148: /* Request port */
149: #define DKIOCSFORMAT _IOW('d', 23, int) /* set 'Formatted' flag */
150: #define DKIOCGFORMAT _IOR('d', 23, int) /* get 'Formatted' flag */
151: #define DKIOCBLKSIZE _IOR('d', 24, int) /* device sector size */
152: #define DKIOCNUMBLKS _IOR('d', 25, int) /* number of sectors */
153: #define DKIOCCHECKINSERT _IO('d',26) /* manually poll removable */
154: /* media drive */
155: #define DKIOCCANCELAUTOMOUNT _IOW('d',27, dev_t) /* cancel automount request */
156: #define DKIOCGLOCATION _IOR('d',28, struct drive_location) /* arch dependent location descrip */
157: #define DKIOCSETBLOCKSIZE _IOW('d', 24, int) /* set media's preferred sector size */
158: #define DKIOCGETBLOCKSIZE DKIOCBLKSIZE /* get media's preferred sector size */
159: #define DKIOCGETBLOCKCOUNT DKIOCNUMBLKS /* get media's sector count */
160: #define DKIOCGETLOCATION DKIOCGLOCATION /* get media's location description */
161: #define DKIOCISFORMATTED DKIOCGFORMAT /* is media formatted? */
162: #endif /* _BSD_DEV_DISK_ */
163:
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