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
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/*
* This file is part of the SPL: Solaris Porting Layer.
*
* Copyright (c) 2008 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory
* Written by:
* Brian Behlendorf <behlendorf1@llnl.gov>,
* Herb Wartens <wartens2@llnl.gov>,
* Jim Garlick <garlick@llnl.gov>
* UCRL-CODE-235197
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _SPL_SUNDDI_H
#define _SPL_SUNDDI_H
#include <sys/cred.h>
#include <sys/uio.h>
#include <sys/sunldi.h>
#include <sys/mutex.h>
#include <linux/kdev_t.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/list.h>
#include <spl-device.h>
typedef int ddi_devid_t;
typedef enum {
DDI_INFO_DEVT2DEVINFO = 0,
DDI_INFO_DEVT2INSTANCE = 1
} ddi_info_cmd_t;
typedef enum {
DDI_ATTACH = 0,
DDI_RESUME = 1,
DDI_PM_RESUME = 2
} ddi_attach_cmd_t;
typedef enum {
DDI_DETACH = 0,
DDI_SUSPEND = 1,
DDI_PM_SUSPEND = 2,
DDI_HOTPLUG_DETACH = 3
} ddi_detach_cmd_t;
typedef enum {
DDI_RESET_FORCE = 0
} ddi_reset_cmd_t;
typedef enum {
PROP_LEN = 0,
PROP_LEN_AND_VAL_BUF = 1,
PROP_LEN_AND_VAL_ALLOC = 2,
PROP_EXISTS = 3
} ddi_prop_op_t;
typedef void *devmap_cookie_t;
typedef struct as {
uchar_t a_flags;
} as_t;
typedef struct pollhead {
struct polldat *ph_list;
} pollhead_t;
typedef struct dev_info {
kmutex_t di_lock;
struct dev_ops *di_ops;
struct cdev *di_cdev;
spl_class *di_class;
spl_device *di_device;
major_t di_major;
minor_t di_minor;
dev_t di_dev;
unsigned di_minors;
int di_flags;
struct list_head di_list;
} dev_info_t;
typedef struct cb_ops {
int (*cb_open)(dev_t *devp, int flag, int otyp, cred_t *credp);
int (*cb_close)(dev_t dev, int flag, int otyp, cred_t *credp);
int (*cb_strategy)(void *bp);
int (*cb_print)(dev_t dev, char *str);
int (*cb_dump)(dev_t dev, caddr_t addr, daddr_t blkno, int nblk);
int (*cb_read)(dev_t dev, struct uio *uiop, cred_t *credp);
int (*cb_write)(dev_t dev, struct uio *uiop, cred_t *credp);
int (*cb_ioctl)(dev_t dev, int cmd, intptr_t arg, int mode,
cred_t *credp, int *rvalp);
int (*cb_devmap)(dev_t dev, devmap_cookie_t dhp, offset_t off,
size_t len, size_t *maplen, uint_t model);
int (*cb_mmap)(dev_t dev, off_t off, int prot);
int (*cb_segmap)(dev_t dev, off_t off, struct as *asp,
caddr_t *addrp, off_t len, unsigned int prot,
unsigned int maxprot, unsigned int flags,
cred_t *credp);
int (*cb_chpoll)(dev_t dev, short events, int anyyet,
short *reventsp, struct pollhead **phpp);
int (*cb_prop_op)(dev_t dev, dev_info_t *dip,
ddi_prop_op_t prop_op, int mod_flags,
char *name, caddr_t valuep, int *length);
struct streamtab *cb_str;
int cb_flag;
int cb_rev;
int (*cb_aread)(dev_t dev, struct aio_req *aio, cred_t *credp);
int (*cb_awrite)(dev_t dev, struct aio_req *aio, cred_t *credp);
} cb_ops_t;
typedef struct dev_ops {
int devo_rev;
int devo_refcnt;
int (*devo_getinfo)(dev_info_t *dip,
ddi_info_cmd_t infocmd, void *arg, void **result);
int (*devo_identify)(dev_info_t *dip);
int (*devo_probe)(dev_info_t *dip);
int (*devo_attach)(dev_info_t *dip, ddi_attach_cmd_t cmd);
int (*devo_detach)(dev_info_t *dip, ddi_detach_cmd_t cmd);
int (*devo_reset)(dev_info_t *dip, ddi_reset_cmd_t cmd);
struct cb_ops *devo_cb_ops;
struct bus_ops *devo_bus_ops;
int (*devo_power)(dev_info_t *dip, int component, int level);
} dev_ops_t;
typedef struct mod_ops {
int (*modm_install)(void);
int (*modm_remove)(void);
int (*modm_info)(void);
} mod_ops_t;
typedef struct modldrv {
struct mod_ops *drv_modops;
char *drv_linkinfo;
struct dev_ops *drv_dev_ops;
struct dev_info *drv_dev_info;
} modldrv_t;
#define MODREV_1 1
#define D_NEW 0x000
#define D_MP 0x020
#define D_64BIT 0x200
#define DEVO_REV 3
#define CB_REV 1
#define DDI_SUCCESS 0
#define DDI_FAILURE -1
#define DDI_PSEUDO "ddi_pseudo"
#define nodev NULL
#define nochpoll NULL
#define nulldev NULL
#define mod_driverops NULL
#define ddi_prop_op NULL
#define getminor(x) (x)
#define getmajor(x) (x)
#define ddi_driver_major(di) getmajor(di->di_dev)
#define DDI_DEV_T_NONE ((dev_t)-1)
#define DDI_DEV_T_ANY ((dev_t)-2)
#define DDI_MAJOR_T_UNKNOWN ((major_t)0)
#define DDI_PROP_DONTPASS 0x0001
#define DDI_PROP_CANSLEEP 0x0002
#define GLOBAL_DEV 0x02
#define NODEBOUND_DEV 0x04
#define NODESPECIFIC_DEV 0x06
#define ENUMERATED_DEV 0x08
#define ddi_prop_lookup_string(x1,x2,x3,x4,x5) (*x5 = NULL)
#define ddi_prop_free(x) (void)0
#define ddi_root_node() (void)0
#define mod_install(x) 0
#define mod_remove(x) 0
extern int __ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type,
minor_t minor_num, char *node_type,
int flags, struct module *mod);
extern void __ddi_remove_minor_node(dev_info_t *dip, char *name);
extern int __mod_install(struct modlinkage *modlp);
extern int __mod_remove(struct modlinkage *modlp);
static __inline__ void ddi_report_dev(dev_info_t *d) { }
static __inline__ void ddi_prop_remove_all(dev_info_t *dip) { }
static __inline__ void
ddi_remove_minor_node(dev_info_t *di, char *name)
{
#ifdef HAVE_GPL_ONLY_SYMBOLS
/* Cleanup udev (GPL-only symbols required). This is performed as
* part of an inline function to ensure that these symbols are not
* linked against the SPL which is GPL'ed. But instead they are
* linked against the package building against the SPL to ensure
* its license allows linking with GPL-only symbols. */
if (di->di_class) {
spl_device_destroy(di->di_class, di->di_device, di->di_dev);
spl_class_destroy(di->di_class);
di->di_class = NULL;
di->di_dev = 0;
}
#endif
__ddi_remove_minor_node(di, name);
}
static __inline__ int
ddi_create_minor_node(dev_info_t *di, char *name, int spec_type,
minor_t minor_num, char *node_type, int flags)
{
int rc;
rc = __ddi_create_minor_node(di, name, spec_type, minor_num,
node_type, flags, THIS_MODULE);
if (rc)
return rc;
#ifdef HAVE_GPL_ONLY_SYMBOLS
/* Setup udev (GPL-only symbols required). This is performed as
* part of an inline function to ensure that these symbols are not
* linked against the SPL which is GPL'ed. But instead they are
* linked against the package building against the SPL to ensure
* its license allows linking with GPL-only symbols. */
di->di_class = spl_class_create(THIS_MODULE, name);
if (IS_ERR(di->di_class)) {
rc = PTR_ERR(di->di_class);
di->di_class = NULL;
ddi_remove_minor_node(di, name);
CERROR("Error creating %s class, %d\n", name, rc);
RETURN(DDI_FAILURE);
}
/* Do not append a 0 to devices with minor nums of 0 */
di->di_device = spl_device_create(di->di_class, NULL, di->di_dev, NULL,
(di->di_minor == 0) ? "%s" : "%s%d",
name, di->di_minor);
#endif
return rc;
}
#undef mod_install
#undef mod_remove
#define mod_install __mod_install
#define mod_remove __mod_remove
#endif /* SPL_SUNDDI_H */
|
