1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2016 Toomas Soome <tsoome@me.com>
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_CMLB_IMPL_H
#define _SYS_CMLB_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/cmlb.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
/*
* FDISK partitions - 4 primary and MAX_EXT_PARTS number of Extended
* Partitions.
*/
#define FDISK_PARTS (FD_NUMPART + MAX_EXT_PARTS)
#if defined(_SUNOS_VTOC_8)
/*
* As lofi needs to support p0 on sparc in case of labeled virtual disks,
* define NDSMAP to support one extra entrie.
*/
#define NSDMAP (NDKMAP + 1)
#elif defined(_SUNOS_VTOC_16)
#define NSDMAP (NDKMAP + FDISK_PARTS + 1)
#else
#error "No VTOC format defined."
#endif
#define MAXPART (NSDMAP + 1)
#define WD_NODE 7
#define P0_RAW_DISK (NDKMAP)
#if defined(__i386) || defined(__amd64)
#define FDISK_P1 (NDKMAP+1)
#define FDISK_P2 (NDKMAP+2)
#define FDISK_P3 (NDKMAP+3)
#define FDISK_P4 (NDKMAP+4)
#endif /* __i386 || __amd64 */
/* Driver Logging Levels */
#define CMLB_LOGMASK_ERROR 0x00000001
#define CMLB_LOGMASK_INFO 0x00000002
#define CMLB_LOGMASK_TRACE 0x00000004
#define CMLB_TRACE 0x00000001
#define CMLB_INFO 0x00000002
#define CMLB_ERROR 0x00000004
#define CMLB_MUTEX(cl) (&((cl)->cl_mutex))
#define CMLB_DEVINFO(cl) ((cl)->cl_devi)
#define CMLB_LABEL(cl) (ddi_driver_name((cl->cl_devi)))
#define ISREMOVABLE(cl) (cl->cl_is_removable)
#define ISCD(cl) (cl->cl_device_type == DTYPE_RODIRECT)
#define ISHOTPLUGGABLE(cl) (cl->cl_is_hotpluggable)
#define CMLBUNIT_SHIFT (CMLBUNIT_DFT_SHIFT)
#define CMLBPART_MASK ((1 << CMLBUNIT_SHIFT) - 1)
#define CMLBUNIT(dev, shift) (getminor((dev)) >> (shift))
#define CMLBPART(dev) (getminor((dev)) & CMLBPART_MASK)
/*
* Return codes of cmlb_uselabel().
*/
#define CMLB_LABEL_IS_VALID 0
#define CMLB_LABEL_IS_INVALID 1
#define CMLB_2TB_BLOCKS 0xffffffff
#define CMLB_1TB_BLOCKS 0x7fffffff
#define CMLB_EXTVTOC_LIMIT CMLB_2TB_BLOCKS
#define CMLB_OLDVTOC_LIMIT CMLB_1TB_BLOCKS
/*
* fdisk partition mapping structure
*/
struct fmap {
ulong_t fmap_start; /* starting block number */
ulong_t fmap_nblk; /* number of blocks */
uchar_t fmap_systid; /* systid of the partition */
};
/* for cm_state */
typedef enum {
CMLB_INITED = 0,
CMLB_ATTACHED
} cmlb_state_t;
typedef enum
{
CMLB_LABEL_UNDEF = 0,
CMLB_LABEL_VTOC,
CMLB_LABEL_EFI
} cmlb_label_t;
#define CMLB_ALLOW_2TB_WARN 0x1
typedef struct cmlb_lun {
dev_info_t *cl_devi; /* pointer to devinfo */
struct dk_vtoc cl_vtoc; /* disk VTOC */
struct dk_geom cl_g; /* disk geometry */
diskaddr_t cl_blockcount; /* capacity */
uint32_t cl_tgt_blocksize; /* blocksize */
diskaddr_t cl_solaris_size; /* size of Solaris partition */
uint_t cl_solaris_offset; /* offset to Solaris part. */
struct dk_map cl_map[MAXPART]; /* logical partitions */
/* cylno is overloaded. used */
/* for starting block for EFI */
diskaddr_t cl_offset[MAXPART]; /* partition start blocks */
struct fmap cl_fmap[FDISK_PARTS]; /* fdisk partitions */
uchar_t cl_asciilabel[LEN_DKL_ASCII]; /* Disk ASCII label */
/*
* This is the HBAs current notion of the geometry of the drive,
* for HBAs that support the "geometry" property.
*/
struct cmlb_geom cl_lgeom;
/*
* This is the geometry of the device as reported by the MODE SENSE,
* command, Page 3 (Format Device Page) and Page 4 (Rigid Disk Drive
* Geometry Page), assuming MODE SENSE is supported by the target.
*/
struct cmlb_geom cl_pgeom;
ushort_t cl_dkg_skew; /* skew */
cmlb_label_t cl_def_labeltype; /* default label type */
/* label type based on which minor nodes were created last */
cmlb_label_t cl_last_labeltype;
cmlb_label_t cl_cur_labeltype; /* current label type */
/* indicates whether vtoc label is read from media */
cmlb_label_t cl_label_from_media;
cmlb_state_t cl_state; /* state of handle */
boolean_t cl_f_geometry_is_valid;
int cl_sys_blocksize;
kmutex_t cl_mutex;
/* the following are passed in at attach time */
boolean_t cl_is_removable; /* is removable */
boolean_t cl_is_hotpluggable; /* is hotpluggable */
int cl_alter_behavior;
char *cl_node_type; /* DDI_NT_... */
int cl_device_type; /* DTYPE_DIRECT,.. */
int cl_reserved; /* reserved efi partition # */
cmlb_tg_ops_t *cmlb_tg_ops;
#if defined(__i386) || defined(__amd64)
/*
* Flag indicating whether extended partition nodes should be created
* or not. Is set in cmlb_attach. After creating nodes in
* cmlb_read_fdisk, it will be unset.
*/
int cl_update_ext_minor_nodes;
int cl_logical_drive_count;
#endif /* __i386 || __amd64 */
uint8_t cl_msglog_flag; /* used to enable/suppress */
/* certain log messages */
} cmlb_lun_t;
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cmlb_tg_ops))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_devi))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_is_removable))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_is_hotpluggable))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_node_type))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_sys_blocksize))
_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_alter_behavior))
_NOTE(SCHEME_PROTECTS_DATA("private data", cmlb_geom))
_NOTE(SCHEME_PROTECTS_DATA("safe sharing", cmlb_lun::cl_f_geometry_is_valid))
_NOTE(MUTEX_PROTECTS_DATA(cmlb_lun::cl_mutex, cmlb_lun::cl_vtoc))
#define DK_TG_READ(ihdlp, bufaddr, start_block, reqlength, tg_cookie)\
(ihdlp->cmlb_tg_ops->tg_rdwr)(CMLB_DEVINFO(ihdlp), TG_READ, \
bufaddr, start_block, reqlength, tg_cookie)
#define DK_TG_WRITE(ihdlp, bufaddr, start_block, reqlength, tg_cookie)\
(ihdlp->cmlb_tg_ops->tg_rdwr)(CMLB_DEVINFO(ihdlp), TG_WRITE,\
bufaddr, start_block, reqlength, tg_cookie)
#define DK_TG_GETPHYGEOM(ihdlp, phygeomp, tg_cookie) \
(ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETPHYGEOM,\
(void *)phygeomp, tg_cookie)
#define DK_TG_GETVIRTGEOM(ihdlp, virtgeomp, tg_cookie) \
(ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETVIRTGEOM,\
(void *)virtgeomp, tg_cookie)
#define DK_TG_GETCAP(ihdlp, capp, tg_cookie) \
(ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETCAPACITY,\
capp, tg_cookie)
#define DK_TG_GETBLOCKSIZE(ihdlp, lbap, tg_cookie) \
(ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp),\
TG_GETBLOCKSIZE, lbap, tg_cookie)
#define DK_TG_GETATTRIBUTE(ihdlp, attributep, tg_cookie) \
(ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETATTR,\
attributep, tg_cookie)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CMLB_IMPL_H */
|
