Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Kernel CAPI 2.0 Module - /proc/capi handling | |
475be4d8 | 3 | * |
1da177e4 LT |
4 | * Copyright 1999 by Carsten Paeth <calle@calle.de> |
5 | * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name> | |
475be4d8 | 6 | * |
1da177e4 LT |
7 | * This software may be used and distributed according to the terms |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
12 | ||
13 | #include "kcapi.h" | |
14 | #include <linux/proc_fs.h> | |
15 | #include <linux/seq_file.h> | |
16 | #include <linux/init.h> | |
5d76fc21 | 17 | #include <linux/export.h> |
1da177e4 | 18 | |
52253031 | 19 | static char *state2str(unsigned short state) |
1da177e4 | 20 | { |
52253031 JK |
21 | switch (state) { |
22 | case CAPI_CTR_DETECTED: return "detected"; | |
23 | case CAPI_CTR_LOADING: return "loading"; | |
24 | case CAPI_CTR_RUNNING: return "running"; | |
1da177e4 LT |
25 | default: return "???"; |
26 | } | |
27 | } | |
28 | ||
29 | // /proc/capi | |
30 | // =========================================================================== | |
31 | ||
475be4d8 | 32 | // /proc/capi/controller: |
1da177e4 LT |
33 | // cnr driver cardstate name driverinfo |
34 | // /proc/capi/contrstats: | |
35 | // cnr nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt | |
36 | // --------------------------------------------------------------------------- | |
37 | ||
38 | static void *controller_start(struct seq_file *seq, loff_t *pos) | |
0ca3a017 | 39 | __acquires(capi_controller_lock) |
1da177e4 | 40 | { |
0ca3a017 JK |
41 | mutex_lock(&capi_controller_lock); |
42 | ||
1da177e4 | 43 | if (*pos < CAPI_MAXCONTR) |
52253031 | 44 | return &capi_controller[*pos]; |
1da177e4 LT |
45 | |
46 | return NULL; | |
47 | } | |
48 | ||
49 | static void *controller_next(struct seq_file *seq, void *v, loff_t *pos) | |
50 | { | |
51 | ++*pos; | |
52 | if (*pos < CAPI_MAXCONTR) | |
52253031 | 53 | return &capi_controller[*pos]; |
1da177e4 LT |
54 | |
55 | return NULL; | |
56 | } | |
57 | ||
58 | static void controller_stop(struct seq_file *seq, void *v) | |
0ca3a017 | 59 | __releases(capi_controller_lock) |
1da177e4 | 60 | { |
0ca3a017 | 61 | mutex_unlock(&capi_controller_lock); |
1da177e4 LT |
62 | } |
63 | ||
64 | static int controller_show(struct seq_file *seq, void *v) | |
65 | { | |
66 | struct capi_ctr *ctr = *(struct capi_ctr **) v; | |
67 | ||
68 | if (!ctr) | |
69 | return 0; | |
70 | ||
71 | seq_printf(seq, "%d %-10s %-8s %-16s %s\n", | |
72 | ctr->cnr, ctr->driver_name, | |
52253031 | 73 | state2str(ctr->state), |
1da177e4 LT |
74 | ctr->name, |
75 | ctr->procinfo ? ctr->procinfo(ctr) : ""); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | ||
80 | static int contrstats_show(struct seq_file *seq, void *v) | |
81 | { | |
82 | struct capi_ctr *ctr = *(struct capi_ctr **) v; | |
83 | ||
84 | if (!ctr) | |
85 | return 0; | |
86 | ||
87 | seq_printf(seq, "%d %lu %lu %lu %lu\n", | |
475be4d8 | 88 | ctr->cnr, |
1da177e4 LT |
89 | ctr->nrecvctlpkt, |
90 | ctr->nrecvdatapkt, | |
91 | ctr->nsentctlpkt, | |
92 | ctr->nsentdatapkt); | |
93 | ||
94 | return 0; | |
95 | } | |
96 | ||
88e9d34c | 97 | static const struct seq_operations seq_controller_ops = { |
1da177e4 LT |
98 | .start = controller_start, |
99 | .next = controller_next, | |
100 | .stop = controller_stop, | |
101 | .show = controller_show, | |
102 | }; | |
103 | ||
88e9d34c | 104 | static const struct seq_operations seq_contrstats_ops = { |
1da177e4 LT |
105 | .start = controller_start, |
106 | .next = controller_next, | |
107 | .stop = controller_stop, | |
108 | .show = contrstats_show, | |
109 | }; | |
110 | ||
111 | static int seq_controller_open(struct inode *inode, struct file *file) | |
112 | { | |
113 | return seq_open(file, &seq_controller_ops); | |
114 | } | |
115 | ||
116 | static int seq_contrstats_open(struct inode *inode, struct file *file) | |
117 | { | |
118 | return seq_open(file, &seq_contrstats_ops); | |
119 | } | |
120 | ||
2b8693c0 | 121 | static const struct file_operations proc_controller_ops = { |
ac41cfd1 | 122 | .owner = THIS_MODULE, |
1da177e4 LT |
123 | .open = seq_controller_open, |
124 | .read = seq_read, | |
125 | .llseek = seq_lseek, | |
126 | .release = seq_release, | |
127 | }; | |
128 | ||
2b8693c0 | 129 | static const struct file_operations proc_contrstats_ops = { |
ac41cfd1 | 130 | .owner = THIS_MODULE, |
1da177e4 LT |
131 | .open = seq_contrstats_open, |
132 | .read = seq_read, | |
133 | .llseek = seq_lseek, | |
134 | .release = seq_release, | |
135 | }; | |
136 | ||
475be4d8 | 137 | // /proc/capi/applications: |
1da177e4 | 138 | // applid l3cnt dblkcnt dblklen #ncci recvqueuelen |
475be4d8 | 139 | // /proc/capi/applstats: |
1da177e4 LT |
140 | // applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt |
141 | // --------------------------------------------------------------------------- | |
142 | ||
88c896ef JK |
143 | static void *applications_start(struct seq_file *seq, loff_t *pos) |
144 | __acquires(capi_controller_lock) | |
1da177e4 | 145 | { |
88c896ef JK |
146 | mutex_lock(&capi_controller_lock); |
147 | ||
1da177e4 LT |
148 | if (*pos < CAPI_MAXAPPL) |
149 | return &capi_applications[*pos]; | |
150 | ||
151 | return NULL; | |
152 | } | |
153 | ||
154 | static void * | |
155 | applications_next(struct seq_file *seq, void *v, loff_t *pos) | |
156 | { | |
157 | ++*pos; | |
158 | if (*pos < CAPI_MAXAPPL) | |
159 | return &capi_applications[*pos]; | |
160 | ||
161 | return NULL; | |
162 | } | |
163 | ||
88c896ef JK |
164 | static void applications_stop(struct seq_file *seq, void *v) |
165 | __releases(capi_controller_lock) | |
1da177e4 | 166 | { |
88c896ef | 167 | mutex_unlock(&capi_controller_lock); |
1da177e4 LT |
168 | } |
169 | ||
170 | static int | |
171 | applications_show(struct seq_file *seq, void *v) | |
172 | { | |
173 | struct capi20_appl *ap = *(struct capi20_appl **) v; | |
174 | ||
175 | if (!ap) | |
176 | return 0; | |
177 | ||
178 | seq_printf(seq, "%u %d %d %d\n", | |
179 | ap->applid, | |
180 | ap->rparam.level3cnt, | |
181 | ap->rparam.datablkcnt, | |
182 | ap->rparam.datablklen); | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
187 | static int | |
188 | applstats_show(struct seq_file *seq, void *v) | |
189 | { | |
190 | struct capi20_appl *ap = *(struct capi20_appl **) v; | |
191 | ||
192 | if (!ap) | |
193 | return 0; | |
194 | ||
195 | seq_printf(seq, "%u %lu %lu %lu %lu\n", | |
196 | ap->applid, | |
197 | ap->nrecvctlpkt, | |
198 | ap->nrecvdatapkt, | |
199 | ap->nsentctlpkt, | |
200 | ap->nsentdatapkt); | |
201 | ||
202 | return 0; | |
203 | } | |
204 | ||
88e9d34c | 205 | static const struct seq_operations seq_applications_ops = { |
1da177e4 LT |
206 | .start = applications_start, |
207 | .next = applications_next, | |
208 | .stop = applications_stop, | |
209 | .show = applications_show, | |
210 | }; | |
211 | ||
88e9d34c | 212 | static const struct seq_operations seq_applstats_ops = { |
1da177e4 LT |
213 | .start = applications_start, |
214 | .next = applications_next, | |
215 | .stop = applications_stop, | |
216 | .show = applstats_show, | |
217 | }; | |
218 | ||
219 | static int | |
220 | seq_applications_open(struct inode *inode, struct file *file) | |
221 | { | |
222 | return seq_open(file, &seq_applications_ops); | |
223 | } | |
224 | ||
225 | static int | |
226 | seq_applstats_open(struct inode *inode, struct file *file) | |
227 | { | |
228 | return seq_open(file, &seq_applstats_ops); | |
229 | } | |
230 | ||
2b8693c0 | 231 | static const struct file_operations proc_applications_ops = { |
ac41cfd1 | 232 | .owner = THIS_MODULE, |
1da177e4 LT |
233 | .open = seq_applications_open, |
234 | .read = seq_read, | |
235 | .llseek = seq_lseek, | |
236 | .release = seq_release, | |
237 | }; | |
238 | ||
2b8693c0 | 239 | static const struct file_operations proc_applstats_ops = { |
ac41cfd1 | 240 | .owner = THIS_MODULE, |
1da177e4 LT |
241 | .open = seq_applstats_open, |
242 | .read = seq_read, | |
243 | .llseek = seq_lseek, | |
244 | .release = seq_release, | |
245 | }; | |
246 | ||
1da177e4 LT |
247 | // --------------------------------------------------------------------------- |
248 | ||
1da177e4 | 249 | static void *capi_driver_start(struct seq_file *seq, loff_t *pos) |
9717fb8b | 250 | __acquires(&capi_drivers_lock) |
1da177e4 | 251 | { |
9717fb8b | 252 | mutex_lock(&capi_drivers_lock); |
2b7c3029 | 253 | return seq_list_start(&capi_drivers, *pos); |
1da177e4 LT |
254 | } |
255 | ||
256 | static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos) | |
257 | { | |
2b7c3029 | 258 | return seq_list_next(v, &capi_drivers, pos); |
1da177e4 LT |
259 | } |
260 | ||
261 | static void capi_driver_stop(struct seq_file *seq, void *v) | |
9717fb8b | 262 | __releases(&capi_drivers_lock) |
1da177e4 | 263 | { |
9717fb8b | 264 | mutex_unlock(&capi_drivers_lock); |
1da177e4 LT |
265 | } |
266 | ||
267 | static int capi_driver_show(struct seq_file *seq, void *v) | |
268 | { | |
2b7c3029 PE |
269 | struct capi_driver *drv = list_entry(v, struct capi_driver, list); |
270 | ||
1da177e4 LT |
271 | seq_printf(seq, "%-32s %s\n", drv->name, drv->revision); |
272 | return 0; | |
273 | } | |
274 | ||
88e9d34c | 275 | static const struct seq_operations seq_capi_driver_ops = { |
1da177e4 LT |
276 | .start = capi_driver_start, |
277 | .next = capi_driver_next, | |
278 | .stop = capi_driver_stop, | |
279 | .show = capi_driver_show, | |
280 | }; | |
281 | ||
282 | static int | |
283 | seq_capi_driver_open(struct inode *inode, struct file *file) | |
284 | { | |
285 | int err; | |
286 | err = seq_open(file, &seq_capi_driver_ops); | |
287 | return err; | |
288 | } | |
289 | ||
2b8693c0 | 290 | static const struct file_operations proc_driver_ops = { |
ac41cfd1 | 291 | .owner = THIS_MODULE, |
1da177e4 LT |
292 | .open = seq_capi_driver_open, |
293 | .read = seq_read, | |
294 | .llseek = seq_lseek, | |
295 | .release = seq_release, | |
296 | }; | |
297 | ||
298 | // --------------------------------------------------------------------------- | |
299 | ||
475be4d8 | 300 | void __init |
1da177e4 LT |
301 | kcapi_proc_init(void) |
302 | { | |
303 | proc_mkdir("capi", NULL); | |
304 | proc_mkdir("capi/controllers", NULL); | |
ac41cfd1 DL |
305 | proc_create("capi/controller", 0, NULL, &proc_controller_ops); |
306 | proc_create("capi/contrstats", 0, NULL, &proc_contrstats_ops); | |
307 | proc_create("capi/applications", 0, NULL, &proc_applications_ops); | |
308 | proc_create("capi/applstats", 0, NULL, &proc_applstats_ops); | |
309 | proc_create("capi/driver", 0, NULL, &proc_driver_ops); | |
1da177e4 LT |
310 | } |
311 | ||
312 | void __exit | |
313 | kcapi_proc_exit(void) | |
314 | { | |
315 | remove_proc_entry("capi/driver", NULL); | |
316 | remove_proc_entry("capi/controller", NULL); | |
317 | remove_proc_entry("capi/contrstats", NULL); | |
318 | remove_proc_entry("capi/applications", NULL); | |
319 | remove_proc_entry("capi/applstats", NULL); | |
320 | remove_proc_entry("capi/controllers", NULL); | |
321 | remove_proc_entry("capi", NULL); | |
322 | } |