Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* Simple code to turn various tables in an ELF file into alias definitions. |
2 | * This deals with kernel datastructures where they should be | |
3 | * dealt with: in the kernel source. | |
4 | * | |
5 | * Copyright 2002-2003 Rusty Russell, IBM Corporation | |
6 | * 2003 Kai Germaschewski | |
7 | * | |
8 | * | |
9 | * This software may be used and distributed according to the terms | |
10 | * of the GNU General Public License, incorporated herein by reference. | |
11 | */ | |
12 | ||
13 | #include "modpost.h" | |
6543becf | 14 | #include "devicetable-offsets.h" |
1da177e4 LT |
15 | |
16 | /* We use the ELF typedefs for kernel_ulong_t but bite the bullet and | |
17 | * use either stdint.h or inttypes.h for the rest. */ | |
18 | #if KERNEL_ELFCLASS == ELFCLASS32 | |
19 | typedef Elf32_Addr kernel_ulong_t; | |
1d8f430c | 20 | #define BITS_PER_LONG 32 |
1da177e4 LT |
21 | #else |
22 | typedef Elf64_Addr kernel_ulong_t; | |
1d8f430c | 23 | #define BITS_PER_LONG 64 |
1da177e4 LT |
24 | #endif |
25 | #ifdef __sun__ | |
26 | #include <inttypes.h> | |
27 | #else | |
28 | #include <stdint.h> | |
29 | #endif | |
30 | ||
5e655772 | 31 | #include <ctype.h> |
626596e2 | 32 | #include <stdbool.h> |
5e655772 | 33 | |
1da177e4 LT |
34 | typedef uint32_t __u32; |
35 | typedef uint16_t __u16; | |
36 | typedef unsigned char __u8; | |
b144ce2d GKH |
37 | typedef struct { |
38 | __u8 b[16]; | |
39 | } uuid_le; | |
1da177e4 LT |
40 | |
41 | /* Big exception to the "don't include kernel headers into userspace, which | |
62070fa4 | 42 | * even potentially has different endianness and word sizes, since |
1da177e4 LT |
43 | * we handle those differences explicitly below */ |
44 | #include "../../include/linux/mod_devicetable.h" | |
45 | ||
e49ce141 RR |
46 | /* This array collects all instances that use the generic do_table */ |
47 | struct devtable { | |
21bdd17b | 48 | const char *device_id; /* name of table, __mod_<name>__*_device_table. */ |
e49ce141 RR |
49 | unsigned long id_size; |
50 | void *function; | |
51 | }; | |
52 | ||
dd2a3aca AB |
53 | #define ___cat(a,b) a ## b |
54 | #define __cat(a,b) ___cat(a,b) | |
55 | ||
56 | /* we need some special handling for this host tool running eventually on | |
57 | * Darwin. The Mach-O section handling is a bit different than ELF section | |
58 | * handling. The differnces in detail are: | |
59 | * a) we have segments which have sections | |
60 | * b) we need a API call to get the respective section symbols */ | |
61 | #if defined(__MACH__) | |
62 | #include <mach-o/getsect.h> | |
63 | ||
64 | #define INIT_SECTION(name) do { \ | |
65 | unsigned long name ## _len; \ | |
66 | char *__cat(pstart_,name) = getsectdata("__TEXT", \ | |
67 | #name, &__cat(name,_len)); \ | |
68 | char *__cat(pstop_,name) = __cat(pstart_,name) + \ | |
69 | __cat(name, _len); \ | |
70 | __cat(__start_,name) = (void *)__cat(pstart_,name); \ | |
71 | __cat(__stop_,name) = (void *)__cat(pstop_,name); \ | |
72 | } while (0) | |
73 | #define SECTION(name) __attribute__((section("__TEXT, " #name))) | |
74 | ||
75 | struct devtable **__start___devtable, **__stop___devtable; | |
76 | #else | |
77 | #define INIT_SECTION(name) /* no-op for ELF */ | |
78 | #define SECTION(name) __attribute__((section(#name))) | |
79 | ||
e49ce141 RR |
80 | /* We construct a table of pointers in an ELF section (pointers generally |
81 | * go unpadded by gcc). ld creates boundary syms for us. */ | |
82 | extern struct devtable *__start___devtable[], *__stop___devtable[]; | |
dd2a3aca | 83 | #endif /* __MACH__ */ |
e49ce141 | 84 | |
04130cc9 DT |
85 | #if !defined(__used) |
86 | # if __GNUC__ == 3 && __GNUC_MINOR__ < 3 | |
87 | # define __used __attribute__((__unused__)) | |
88 | # else | |
89 | # define __used __attribute__((__used__)) | |
90 | # endif | |
e49ce141 RR |
91 | #endif |
92 | ||
6543becf AS |
93 | /* Define a variable f that holds the value of field f of struct devid |
94 | * based at address m. | |
95 | */ | |
96 | #define DEF_FIELD(m, devid, f) \ | |
97 | typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) | |
98 | /* Define a variable f that holds the address of field f of struct devid | |
99 | * based at address m. Due to the way typeof works, for a field of type | |
100 | * T[N] the variable has type T(*)[N], _not_ T*. | |
101 | */ | |
102 | #define DEF_FIELD_ADDR(m, devid, f) \ | |
103 | typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f) | |
104 | ||
e49ce141 RR |
105 | /* Add a table entry. We test function type matches while we're here. */ |
106 | #define ADD_TO_DEVTABLE(device_id, type, function) \ | |
107 | static struct devtable __cat(devtable,__LINE__) = { \ | |
108 | device_id + 0*sizeof((function)((const char *)NULL, \ | |
6543becf | 109 | (void *)NULL, \ |
e49ce141 | 110 | (char *)NULL)), \ |
6543becf | 111 | SIZE_##type, (function) }; \ |
dd2a3aca AB |
112 | static struct devtable *SECTION(__devtable) __used \ |
113 | __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__) | |
e49ce141 | 114 | |
1da177e4 LT |
115 | #define ADD(str, sep, cond, field) \ |
116 | do { \ | |
117 | strcat(str, sep); \ | |
118 | if (cond) \ | |
119 | sprintf(str + strlen(str), \ | |
120 | sizeof(field) == 1 ? "%02X" : \ | |
121 | sizeof(field) == 2 ? "%04X" : \ | |
122 | sizeof(field) == 4 ? "%08X" : "", \ | |
123 | field); \ | |
124 | else \ | |
125 | sprintf(str + strlen(str), "*"); \ | |
126 | } while(0) | |
127 | ||
2f632369 | 128 | /* End in a wildcard, for future extension */ |
ac551828 JD |
129 | static inline void add_wildcard(char *str) |
130 | { | |
131 | int len = strlen(str); | |
132 | ||
133 | if (str[len - 1] != '*') | |
134 | strcat(str + len, "*"); | |
135 | } | |
136 | ||
b144ce2d | 137 | static inline void add_uuid(char *str, uuid_le uuid) |
c93b76b3 TW |
138 | { |
139 | int len = strlen(str); | |
c93b76b3 | 140 | |
59796edc PB |
141 | sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", |
142 | uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], | |
143 | uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6], | |
144 | uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11], | |
145 | uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); | |
c93b76b3 TW |
146 | } |
147 | ||
fb33d816 SR |
148 | /** |
149 | * Check that sizeof(device_id type) are consistent with size of section | |
150 | * in .o file. If in-consistent then userspace and kernel does not agree | |
151 | * on actual size which is a bug. | |
e0049825 | 152 | * Also verify that the final entry in the table is all zeros. |
4ce6efed | 153 | * Ignore both checks if build host differ from target host and size differs. |
fb33d816 | 154 | **/ |
e0049825 KC |
155 | static void device_id_check(const char *modname, const char *device_id, |
156 | unsigned long size, unsigned long id_size, | |
157 | void *symval) | |
fb33d816 | 158 | { |
e0049825 KC |
159 | int i; |
160 | ||
fb33d816 SR |
161 | if (size % id_size || size < id_size) { |
162 | fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " | |
21bdd17b TG |
163 | "of the size of " |
164 | "section __mod_%s__<identifier>_device_table=%lu.\n" | |
fb33d816 SR |
165 | "Fix definition of struct %s_device_id " |
166 | "in mod_devicetable.h\n", | |
167 | modname, device_id, id_size, device_id, size, device_id); | |
168 | } | |
e0049825 KC |
169 | /* Verify last one is a terminator */ |
170 | for (i = 0; i < id_size; i++ ) { | |
171 | if (*(uint8_t*)(symval+size-id_size+i)) { | |
172 | fprintf(stderr,"%s: struct %s_device_id is %lu bytes. " | |
173 | "The last of %lu is:\n", | |
174 | modname, device_id, id_size, size / id_size); | |
175 | for (i = 0; i < id_size; i++ ) | |
176 | fprintf(stderr,"0x%02x ", | |
177 | *(uint8_t*)(symval+size-id_size+i) ); | |
178 | fprintf(stderr,"\n"); | |
179 | fatal("%s: struct %s_device_id is not terminated " | |
180 | "with a NULL entry!\n", modname, device_id); | |
181 | } | |
182 | } | |
fb33d816 SR |
183 | } |
184 | ||
b19dcd93 | 185 | /* USB is special because the bcdDevice can be matched against a numeric range */ |
81df2d59 | 186 | /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ |
6543becf | 187 | static void do_usb_entry(void *symval, |
b19dcd93 RK |
188 | unsigned int bcdDevice_initial, int bcdDevice_initial_digits, |
189 | unsigned char range_lo, unsigned char range_hi, | |
afe2dab4 | 190 | unsigned char max, struct module *mod) |
1da177e4 | 191 | { |
b19dcd93 | 192 | char alias[500]; |
6543becf AS |
193 | DEF_FIELD(symval, usb_device_id, match_flags); |
194 | DEF_FIELD(symval, usb_device_id, idVendor); | |
195 | DEF_FIELD(symval, usb_device_id, idProduct); | |
196 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
197 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
198 | DEF_FIELD(symval, usb_device_id, bDeviceSubClass); | |
199 | DEF_FIELD(symval, usb_device_id, bDeviceProtocol); | |
200 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
201 | DEF_FIELD(symval, usb_device_id, bInterfaceSubClass); | |
202 | DEF_FIELD(symval, usb_device_id, bInterfaceProtocol); | |
203 | DEF_FIELD(symval, usb_device_id, bInterfaceNumber); | |
204 | ||
1da177e4 | 205 | strcpy(alias, "usb:"); |
6543becf AS |
206 | ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR, |
207 | idVendor); | |
208 | ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT, | |
209 | idProduct); | |
b19dcd93 RK |
210 | |
211 | strcat(alias, "d"); | |
212 | if (bcdDevice_initial_digits) | |
213 | sprintf(alias + strlen(alias), "%0*X", | |
214 | bcdDevice_initial_digits, bcdDevice_initial); | |
215 | if (range_lo == range_hi) | |
afe2dab4 NM |
216 | sprintf(alias + strlen(alias), "%X", range_lo); |
217 | else if (range_lo > 0 || range_hi < max) { | |
218 | if (range_lo > 0x9 || range_hi < 0xA) | |
219 | sprintf(alias + strlen(alias), | |
220 | "[%X-%X]", | |
221 | range_lo, | |
222 | range_hi); | |
223 | else { | |
224 | sprintf(alias + strlen(alias), | |
225 | range_lo < 0x9 ? "[%X-9" : "[%X", | |
226 | range_lo); | |
227 | sprintf(alias + strlen(alias), | |
03b56329 JMM |
228 | range_hi > 0xA ? "A-%X]" : "%X]", |
229 | range_hi); | |
afe2dab4 NM |
230 | } |
231 | } | |
6543becf | 232 | if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) |
b19dcd93 RK |
233 | strcat(alias, "*"); |
234 | ||
6543becf AS |
235 | ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, |
236 | bDeviceClass); | |
237 | ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, | |
238 | bDeviceSubClass); | |
239 | ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, | |
240 | bDeviceProtocol); | |
241 | ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, | |
242 | bInterfaceClass); | |
243 | ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, | |
244 | bInterfaceSubClass); | |
245 | ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, | |
246 | bInterfaceProtocol); | |
247 | ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER, | |
248 | bInterfaceNumber); | |
b19dcd93 | 249 | |
ac551828 | 250 | add_wildcard(alias); |
b19dcd93 RK |
251 | buf_printf(&mod->dev_table_buf, |
252 | "MODULE_ALIAS(\"%s\");\n", alias); | |
253 | } | |
254 | ||
55f49f26 NM |
255 | /* Handles increment/decrement of BCD formatted integers */ |
256 | /* Returns the previous value, so it works like i++ or i-- */ | |
257 | static unsigned int incbcd(unsigned int *bcd, | |
258 | int inc, | |
259 | unsigned char max, | |
260 | size_t chars) | |
261 | { | |
262 | unsigned int init = *bcd, i, j; | |
263 | unsigned long long c, dec = 0; | |
264 | ||
265 | /* If bcd is not in BCD format, just increment */ | |
266 | if (max > 0x9) { | |
267 | *bcd += inc; | |
268 | return init; | |
269 | } | |
270 | ||
271 | /* Convert BCD to Decimal */ | |
272 | for (i=0 ; i < chars ; i++) { | |
273 | c = (*bcd >> (i << 2)) & 0xf; | |
274 | c = c > 9 ? 9 : c; /* force to bcd just in case */ | |
275 | for (j=0 ; j < i ; j++) | |
276 | c = c * 10; | |
277 | dec += c; | |
278 | } | |
279 | ||
280 | /* Do our increment/decrement */ | |
281 | dec += inc; | |
282 | *bcd = 0; | |
283 | ||
284 | /* Convert back to BCD */ | |
285 | for (i=0 ; i < chars ; i++) { | |
286 | for (c=1,j=0 ; j < i ; j++) | |
287 | c = c * 10; | |
288 | c = (dec / c) % 10; | |
289 | *bcd += c << (i << 2); | |
290 | } | |
291 | return init; | |
292 | } | |
293 | ||
6543becf | 294 | static void do_usb_entry_multi(void *symval, struct module *mod) |
b19dcd93 RK |
295 | { |
296 | unsigned int devlo, devhi; | |
afe2dab4 | 297 | unsigned char chi, clo, max; |
b19dcd93 RK |
298 | int ndigits; |
299 | ||
6543becf AS |
300 | DEF_FIELD(symval, usb_device_id, match_flags); |
301 | DEF_FIELD(symval, usb_device_id, idVendor); | |
302 | DEF_FIELD(symval, usb_device_id, idProduct); | |
303 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
304 | DEF_FIELD(symval, usb_device_id, bcdDevice_hi); | |
305 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
306 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
b19dcd93 | 307 | |
6543becf AS |
308 | devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? |
309 | bcdDevice_lo : 0x0U; | |
310 | devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? | |
311 | bcdDevice_hi : ~0x0U; | |
b19dcd93 | 312 | |
afe2dab4 NM |
313 | /* Figure out if this entry is in bcd or hex format */ |
314 | max = 0x9; /* Default to decimal format */ | |
6543becf | 315 | for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) { |
afe2dab4 NM |
316 | clo = (devlo >> (ndigits << 2)) & 0xf; |
317 | chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf; | |
318 | if (clo > max || chi > max) { | |
319 | max = 0xf; | |
320 | break; | |
321 | } | |
322 | } | |
323 | ||
b19dcd93 RK |
324 | /* |
325 | * Some modules (visor) have empty slots as placeholder for | |
326 | * run-time specification that results in catch-all alias | |
327 | */ | |
6543becf | 328 | if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass)) |
b19dcd93 RK |
329 | return; |
330 | ||
331 | /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ | |
6543becf | 332 | for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { |
b19dcd93 RK |
333 | clo = devlo & 0xf; |
334 | chi = devhi & 0xf; | |
afe2dab4 NM |
335 | if (chi > max) /* If we are in bcd mode, truncate if necessary */ |
336 | chi = max; | |
b19dcd93 RK |
337 | devlo >>= 4; |
338 | devhi >>= 4; | |
339 | ||
340 | if (devlo == devhi || !ndigits) { | |
6543becf | 341 | do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod); |
b19dcd93 RK |
342 | break; |
343 | } | |
344 | ||
afe2dab4 | 345 | if (clo > 0x0) |
6543becf | 346 | do_usb_entry(symval, |
55f49f26 | 347 | incbcd(&devlo, 1, max, |
6543becf | 348 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 349 | ndigits, clo, max, max, mod); |
b19dcd93 | 350 | |
afe2dab4 | 351 | if (chi < max) |
6543becf | 352 | do_usb_entry(symval, |
55f49f26 | 353 | incbcd(&devhi, -1, max, |
6543becf | 354 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 355 | ndigits, 0x0, chi, max, mod); |
b19dcd93 RK |
356 | } |
357 | } | |
358 | ||
359 | static void do_usb_table(void *symval, unsigned long size, | |
360 | struct module *mod) | |
361 | { | |
362 | unsigned int i; | |
6543becf | 363 | const unsigned long id_size = SIZE_usb_device_id; |
b19dcd93 | 364 | |
e0049825 | 365 | device_id_check(mod->name, "usb", size, id_size, symval); |
fb33d816 | 366 | |
b19dcd93 RK |
367 | /* Leave last one: it's the terminator. */ |
368 | size -= id_size; | |
369 | ||
370 | for (i = 0; i < size; i += id_size) | |
371 | do_usb_entry_multi(symval + i, mod); | |
1da177e4 LT |
372 | } |
373 | ||
acbef7b7 PZ |
374 | static void do_of_entry_multi(void *symval, struct module *mod) |
375 | { | |
376 | char alias[500]; | |
377 | int len; | |
378 | char *tmp; | |
379 | ||
380 | DEF_FIELD_ADDR(symval, of_device_id, name); | |
381 | DEF_FIELD_ADDR(symval, of_device_id, type); | |
382 | DEF_FIELD_ADDR(symval, of_device_id, compatible); | |
383 | ||
384 | len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", | |
385 | (*type)[0] ? *type : "*"); | |
386 | ||
387 | if (compatible[0]) | |
388 | sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", | |
389 | *compatible); | |
390 | ||
391 | /* Replace all whitespace with underscores */ | |
392 | for (tmp = alias; tmp && *tmp; tmp++) | |
393 | if (isspace(*tmp)) | |
394 | *tmp = '_'; | |
395 | ||
396 | buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
397 | strcat(alias, "C"); | |
398 | add_wildcard(alias); | |
399 | buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
400 | } | |
401 | ||
402 | static void do_of_table(void *symval, unsigned long size, | |
403 | struct module *mod) | |
404 | { | |
405 | unsigned int i; | |
406 | const unsigned long id_size = SIZE_of_device_id; | |
407 | ||
408 | device_id_check(mod->name, "of", size, id_size, symval); | |
409 | ||
410 | /* Leave last one: it's the terminator. */ | |
411 | size -= id_size; | |
412 | ||
413 | for (i = 0; i < size; i += id_size) | |
414 | do_of_entry_multi(symval + i, mod); | |
415 | } | |
416 | ||
e8c84f9a JS |
417 | /* Looks like: hid:bNvNpN */ |
418 | static int do_hid_entry(const char *filename, | |
6543becf | 419 | void *symval, char *alias) |
e8c84f9a | 420 | { |
6543becf AS |
421 | DEF_FIELD(symval, hid_device_id, bus); |
422 | DEF_FIELD(symval, hid_device_id, group); | |
423 | DEF_FIELD(symval, hid_device_id, vendor); | |
424 | DEF_FIELD(symval, hid_device_id, product); | |
e8c84f9a | 425 | |
7431fb76 | 426 | sprintf(alias, "hid:"); |
6543becf AS |
427 | ADD(alias, "b", bus != HID_BUS_ANY, bus); |
428 | ADD(alias, "g", group != HID_GROUP_ANY, group); | |
429 | ADD(alias, "v", vendor != HID_ANY_ID, vendor); | |
430 | ADD(alias, "p", product != HID_ANY_ID, product); | |
e8c84f9a JS |
431 | |
432 | return 1; | |
433 | } | |
6543becf | 434 | ADD_TO_DEVTABLE("hid", hid_device_id, do_hid_entry); |
e8c84f9a | 435 | |
1da177e4 LT |
436 | /* Looks like: ieee1394:venNmoNspNverN */ |
437 | static int do_ieee1394_entry(const char *filename, | |
6543becf | 438 | void *symval, char *alias) |
1da177e4 | 439 | { |
6543becf AS |
440 | DEF_FIELD(symval, ieee1394_device_id, match_flags); |
441 | DEF_FIELD(symval, ieee1394_device_id, vendor_id); | |
442 | DEF_FIELD(symval, ieee1394_device_id, model_id); | |
443 | DEF_FIELD(symval, ieee1394_device_id, specifier_id); | |
444 | DEF_FIELD(symval, ieee1394_device_id, version); | |
1da177e4 LT |
445 | |
446 | strcpy(alias, "ieee1394:"); | |
6543becf AS |
447 | ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID, |
448 | vendor_id); | |
449 | ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID, | |
450 | model_id); | |
451 | ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID, | |
452 | specifier_id); | |
453 | ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION, | |
454 | version); | |
1da177e4 | 455 | |
ac551828 | 456 | add_wildcard(alias); |
1da177e4 LT |
457 | return 1; |
458 | } | |
6543becf | 459 | ADD_TO_DEVTABLE("ieee1394", ieee1394_device_id, do_ieee1394_entry); |
1da177e4 LT |
460 | |
461 | /* Looks like: pci:vNdNsvNsdNbcNscNiN. */ | |
462 | static int do_pci_entry(const char *filename, | |
6543becf | 463 | void *symval, char *alias) |
1da177e4 LT |
464 | { |
465 | /* Class field can be divided into these three. */ | |
466 | unsigned char baseclass, subclass, interface, | |
467 | baseclass_mask, subclass_mask, interface_mask; | |
468 | ||
6543becf AS |
469 | DEF_FIELD(symval, pci_device_id, vendor); |
470 | DEF_FIELD(symval, pci_device_id, device); | |
471 | DEF_FIELD(symval, pci_device_id, subvendor); | |
472 | DEF_FIELD(symval, pci_device_id, subdevice); | |
473 | DEF_FIELD(symval, pci_device_id, class); | |
474 | DEF_FIELD(symval, pci_device_id, class_mask); | |
1da177e4 LT |
475 | |
476 | strcpy(alias, "pci:"); | |
6543becf AS |
477 | ADD(alias, "v", vendor != PCI_ANY_ID, vendor); |
478 | ADD(alias, "d", device != PCI_ANY_ID, device); | |
479 | ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor); | |
480 | ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice); | |
481 | ||
482 | baseclass = (class) >> 16; | |
483 | baseclass_mask = (class_mask) >> 16; | |
484 | subclass = (class) >> 8; | |
485 | subclass_mask = (class_mask) >> 8; | |
486 | interface = class; | |
487 | interface_mask = class_mask; | |
1da177e4 LT |
488 | |
489 | if ((baseclass_mask != 0 && baseclass_mask != 0xFF) | |
490 | || (subclass_mask != 0 && subclass_mask != 0xFF) | |
491 | || (interface_mask != 0 && interface_mask != 0xFF)) { | |
cb80514d | 492 | warn("Can't handle masks in %s:%04X\n", |
6543becf | 493 | filename, class_mask); |
1da177e4 LT |
494 | return 0; |
495 | } | |
496 | ||
497 | ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); | |
498 | ADD(alias, "sc", subclass_mask == 0xFF, subclass); | |
499 | ADD(alias, "i", interface_mask == 0xFF, interface); | |
ac551828 | 500 | add_wildcard(alias); |
1da177e4 LT |
501 | return 1; |
502 | } | |
6543becf | 503 | ADD_TO_DEVTABLE("pci", pci_device_id, do_pci_entry); |
1da177e4 | 504 | |
62070fa4 | 505 | /* looks like: "ccw:tNmNdtNdmN" */ |
1da177e4 | 506 | static int do_ccw_entry(const char *filename, |
6543becf | 507 | void *symval, char *alias) |
1da177e4 | 508 | { |
6543becf AS |
509 | DEF_FIELD(symval, ccw_device_id, match_flags); |
510 | DEF_FIELD(symval, ccw_device_id, cu_type); | |
511 | DEF_FIELD(symval, ccw_device_id, cu_model); | |
512 | DEF_FIELD(symval, ccw_device_id, dev_type); | |
513 | DEF_FIELD(symval, ccw_device_id, dev_model); | |
1da177e4 LT |
514 | |
515 | strcpy(alias, "ccw:"); | |
6543becf AS |
516 | ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, |
517 | cu_type); | |
518 | ADD(alias, "m", match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, | |
519 | cu_model); | |
520 | ADD(alias, "dt", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, | |
521 | dev_type); | |
522 | ADD(alias, "dm", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, | |
523 | dev_model); | |
ac551828 | 524 | add_wildcard(alias); |
1da177e4 LT |
525 | return 1; |
526 | } | |
6543becf | 527 | ADD_TO_DEVTABLE("ccw", ccw_device_id, do_ccw_entry); |
1da177e4 | 528 | |
1534c382 MS |
529 | /* looks like: "ap:tN" */ |
530 | static int do_ap_entry(const char *filename, | |
6543becf | 531 | void *symval, char *alias) |
1534c382 | 532 | { |
6543becf AS |
533 | DEF_FIELD(symval, ap_device_id, dev_type); |
534 | ||
535 | sprintf(alias, "ap:t%02X*", dev_type); | |
1534c382 MS |
536 | return 1; |
537 | } | |
6543becf | 538 | ADD_TO_DEVTABLE("ap", ap_device_id, do_ap_entry); |
1534c382 | 539 | |
7e9db9ea CH |
540 | /* looks like: "css:tN" */ |
541 | static int do_css_entry(const char *filename, | |
6543becf | 542 | void *symval, char *alias) |
7e9db9ea | 543 | { |
6543becf AS |
544 | DEF_FIELD(symval, css_device_id, type); |
545 | ||
546 | sprintf(alias, "css:t%01X", type); | |
7e9db9ea CH |
547 | return 1; |
548 | } | |
6543becf | 549 | ADD_TO_DEVTABLE("css", css_device_id, do_css_entry); |
7e9db9ea | 550 | |
1da177e4 LT |
551 | /* Looks like: "serio:tyNprNidNexN" */ |
552 | static int do_serio_entry(const char *filename, | |
6543becf | 553 | void *symval, char *alias) |
1da177e4 | 554 | { |
6543becf AS |
555 | DEF_FIELD(symval, serio_device_id, type); |
556 | DEF_FIELD(symval, serio_device_id, proto); | |
557 | DEF_FIELD(symval, serio_device_id, id); | |
558 | DEF_FIELD(symval, serio_device_id, extra); | |
1da177e4 LT |
559 | |
560 | strcpy(alias, "serio:"); | |
6543becf AS |
561 | ADD(alias, "ty", type != SERIO_ANY, type); |
562 | ADD(alias, "pr", proto != SERIO_ANY, proto); | |
563 | ADD(alias, "id", id != SERIO_ANY, id); | |
564 | ADD(alias, "ex", extra != SERIO_ANY, extra); | |
1da177e4 | 565 | |
ac551828 | 566 | add_wildcard(alias); |
1da177e4 LT |
567 | return 1; |
568 | } | |
6543becf | 569 | ADD_TO_DEVTABLE("serio", serio_device_id, do_serio_entry); |
1da177e4 | 570 | |
26095a01 SS |
571 | /* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or |
572 | * "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if) | |
573 | * | |
574 | * NOTE: Each driver should use one of the following : _HID, _CIDs | |
575 | * or _CLS. Also, bb, ss, and pp can be substituted with ?? | |
576 | * as don't care byte. | |
577 | */ | |
29b71a1c | 578 | static int do_acpi_entry(const char *filename, |
6543becf | 579 | void *symval, char *alias) |
29b71a1c | 580 | { |
6543becf | 581 | DEF_FIELD_ADDR(symval, acpi_device_id, id); |
26095a01 SS |
582 | DEF_FIELD_ADDR(symval, acpi_device_id, cls); |
583 | DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk); | |
584 | ||
585 | if (id && strlen((const char *)*id)) | |
586 | sprintf(alias, "acpi*:%s:*", *id); | |
587 | else if (cls) { | |
588 | int i, byte_shift, cnt = 0; | |
589 | unsigned int msk; | |
590 | ||
591 | sprintf(&alias[cnt], "acpi*:"); | |
592 | cnt = 6; | |
593 | for (i = 1; i <= 3; i++) { | |
594 | byte_shift = 8 * (3-i); | |
595 | msk = (*cls_msk >> byte_shift) & 0xFF; | |
596 | if (msk) | |
597 | sprintf(&alias[cnt], "%02x", | |
598 | (*cls >> byte_shift) & 0xFF); | |
599 | else | |
600 | sprintf(&alias[cnt], "??"); | |
601 | cnt += 2; | |
602 | } | |
603 | sprintf(&alias[cnt], ":*"); | |
604 | } | |
29b71a1c TR |
605 | return 1; |
606 | } | |
6543becf | 607 | ADD_TO_DEVTABLE("acpi", acpi_device_id, do_acpi_entry); |
29b71a1c | 608 | |
1da177e4 | 609 | /* looks like: "pnp:dD" */ |
22454cb9 KS |
610 | static void do_pnp_device_entry(void *symval, unsigned long size, |
611 | struct module *mod) | |
1da177e4 | 612 | { |
6543becf | 613 | const unsigned long id_size = SIZE_pnp_device_id; |
5e4c6564 | 614 | const unsigned int count = (size / id_size)-1; |
5e4c6564 | 615 | unsigned int i; |
22454cb9 KS |
616 | |
617 | device_id_check(mod->name, "pnp", size, id_size, symval); | |
618 | ||
5e4c6564 | 619 | for (i = 0; i < count; i++) { |
6543becf AS |
620 | DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); |
621 | char acpi_id[sizeof(*id)]; | |
72638f59 | 622 | int j; |
5e4c6564 KS |
623 | |
624 | buf_printf(&mod->dev_table_buf, | |
6543becf | 625 | "MODULE_ALIAS(\"pnp:d%s*\");\n", *id); |
72638f59 KS |
626 | |
627 | /* fix broken pnp bus lowercasing */ | |
628 | for (j = 0; j < sizeof(acpi_id); j++) | |
6543becf | 629 | acpi_id[j] = toupper((*id)[j]); |
5e4c6564 | 630 | buf_printf(&mod->dev_table_buf, |
72638f59 | 631 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
5e4c6564 | 632 | } |
1da177e4 LT |
633 | } |
634 | ||
0c81eed4 KS |
635 | /* looks like: "pnp:dD" for every device of the card */ |
636 | static void do_pnp_card_entries(void *symval, unsigned long size, | |
637 | struct module *mod) | |
1da177e4 | 638 | { |
6543becf | 639 | const unsigned long id_size = SIZE_pnp_card_device_id; |
0c81eed4 | 640 | const unsigned int count = (size / id_size)-1; |
0c81eed4 | 641 | unsigned int i; |
1da177e4 | 642 | |
0c81eed4 KS |
643 | device_id_check(mod->name, "pnp", size, id_size, symval); |
644 | ||
645 | for (i = 0; i < count; i++) { | |
646 | unsigned int j; | |
6543becf | 647 | DEF_FIELD_ADDR(symval + i*id_size, pnp_card_device_id, devs); |
0c81eed4 KS |
648 | |
649 | for (j = 0; j < PNP_MAX_DEVICES; j++) { | |
6543becf | 650 | const char *id = (char *)(*devs)[j].id; |
0c81eed4 KS |
651 | int i2, j2; |
652 | int dup = 0; | |
653 | ||
654 | if (!id[0]) | |
655 | break; | |
656 | ||
657 | /* find duplicate, already added value */ | |
658 | for (i2 = 0; i2 < i && !dup; i2++) { | |
6543becf | 659 | DEF_FIELD_ADDR(symval + i2*id_size, pnp_card_device_id, devs); |
0c81eed4 KS |
660 | |
661 | for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { | |
6543becf | 662 | const char *id2 = (char *)(*devs)[j2].id; |
0c81eed4 KS |
663 | |
664 | if (!id2[0]) | |
665 | break; | |
666 | ||
667 | if (!strcmp(id, id2)) { | |
668 | dup = 1; | |
669 | break; | |
670 | } | |
671 | } | |
672 | } | |
673 | ||
674 | /* add an individual alias for every device entry */ | |
22454cb9 | 675 | if (!dup) { |
6543becf | 676 | char acpi_id[PNP_ID_LEN]; |
72638f59 KS |
677 | int k; |
678 | ||
0c81eed4 KS |
679 | buf_printf(&mod->dev_table_buf, |
680 | "MODULE_ALIAS(\"pnp:d%s*\");\n", id); | |
72638f59 KS |
681 | |
682 | /* fix broken pnp bus lowercasing */ | |
683 | for (k = 0; k < sizeof(acpi_id); k++) | |
684 | acpi_id[k] = toupper(id[k]); | |
22454cb9 | 685 | buf_printf(&mod->dev_table_buf, |
72638f59 | 686 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
22454cb9 | 687 | } |
0c81eed4 | 688 | } |
1da177e4 | 689 | } |
1da177e4 LT |
690 | } |
691 | ||
90829cfe DB |
692 | /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ |
693 | static int do_pcmcia_entry(const char *filename, | |
6543becf | 694 | void *symval, char *alias) |
90829cfe DB |
695 | { |
696 | unsigned int i; | |
6543becf AS |
697 | DEF_FIELD(symval, pcmcia_device_id, match_flags); |
698 | DEF_FIELD(symval, pcmcia_device_id, manf_id); | |
699 | DEF_FIELD(symval, pcmcia_device_id, card_id); | |
700 | DEF_FIELD(symval, pcmcia_device_id, func_id); | |
701 | DEF_FIELD(symval, pcmcia_device_id, function); | |
702 | DEF_FIELD(symval, pcmcia_device_id, device_no); | |
703 | DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash); | |
4fb7edce | 704 | |
90829cfe | 705 | for (i=0; i<4; i++) { |
6543becf AS |
706 | (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]); |
707 | } | |
708 | ||
709 | strcpy(alias, "pcmcia:"); | |
710 | ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, | |
711 | manf_id); | |
712 | ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, | |
713 | card_id); | |
714 | ADD(alias, "f", match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, | |
715 | func_id); | |
716 | ADD(alias, "fn", match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, | |
717 | function); | |
718 | ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, | |
719 | device_no); | |
720 | ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]); | |
721 | ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]); | |
722 | ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]); | |
723 | ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]); | |
90829cfe | 724 | |
ac551828 | 725 | add_wildcard(alias); |
6543becf | 726 | return 1; |
90829cfe | 727 | } |
6543becf | 728 | ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry); |
90829cfe | 729 | |
6543becf | 730 | static int do_vio_entry(const char *filename, void *symval, |
fb120da6 SR |
731 | char *alias) |
732 | { | |
733 | char *tmp; | |
6543becf AS |
734 | DEF_FIELD_ADDR(symval, vio_device_id, type); |
735 | DEF_FIELD_ADDR(symval, vio_device_id, compat); | |
fb120da6 | 736 | |
6543becf AS |
737 | sprintf(alias, "vio:T%sS%s", (*type)[0] ? *type : "*", |
738 | (*compat)[0] ? *compat : "*"); | |
fb120da6 SR |
739 | |
740 | /* Replace all whitespace with underscores */ | |
741 | for (tmp = alias; tmp && *tmp; tmp++) | |
742 | if (isspace (*tmp)) | |
743 | *tmp = '_'; | |
744 | ||
ac551828 | 745 | add_wildcard(alias); |
fb120da6 SR |
746 | return 1; |
747 | } | |
6543becf | 748 | ADD_TO_DEVTABLE("vio", vio_device_id, do_vio_entry); |
fb120da6 | 749 | |
1d8f430c RR |
750 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
751 | ||
752 | static void do_input(char *alias, | |
753 | kernel_ulong_t *arr, unsigned int min, unsigned int max) | |
754 | { | |
755 | unsigned int i; | |
ddc5d341 | 756 | |
6543becf AS |
757 | for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++) |
758 | arr[i] = TO_NATIVE(arr[i]); | |
ddc5d341 | 759 | for (i = min; i < max; i++) |
e0e92632 | 760 | if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) |
ddc5d341 | 761 | sprintf(alias + strlen(alias), "%X,*", i); |
1d8f430c RR |
762 | } |
763 | ||
764 | /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ | |
6543becf | 765 | static int do_input_entry(const char *filename, void *symval, |
1d8f430c RR |
766 | char *alias) |
767 | { | |
6543becf AS |
768 | DEF_FIELD(symval, input_device_id, flags); |
769 | DEF_FIELD(symval, input_device_id, bustype); | |
770 | DEF_FIELD(symval, input_device_id, vendor); | |
771 | DEF_FIELD(symval, input_device_id, product); | |
772 | DEF_FIELD(symval, input_device_id, version); | |
773 | DEF_FIELD_ADDR(symval, input_device_id, evbit); | |
774 | DEF_FIELD_ADDR(symval, input_device_id, keybit); | |
775 | DEF_FIELD_ADDR(symval, input_device_id, relbit); | |
776 | DEF_FIELD_ADDR(symval, input_device_id, absbit); | |
777 | DEF_FIELD_ADDR(symval, input_device_id, mscbit); | |
778 | DEF_FIELD_ADDR(symval, input_device_id, ledbit); | |
779 | DEF_FIELD_ADDR(symval, input_device_id, sndbit); | |
780 | DEF_FIELD_ADDR(symval, input_device_id, ffbit); | |
781 | DEF_FIELD_ADDR(symval, input_device_id, swbit); | |
782 | ||
1d8f430c RR |
783 | sprintf(alias, "input:"); |
784 | ||
6543becf AS |
785 | ADD(alias, "b", flags & INPUT_DEVICE_ID_MATCH_BUS, bustype); |
786 | ADD(alias, "v", flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor); | |
787 | ADD(alias, "p", flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product); | |
788 | ADD(alias, "e", flags & INPUT_DEVICE_ID_MATCH_VERSION, version); | |
1d8f430c RR |
789 | |
790 | sprintf(alias + strlen(alias), "-e*"); | |
6543becf AS |
791 | if (flags & INPUT_DEVICE_ID_MATCH_EVBIT) |
792 | do_input(alias, *evbit, 0, INPUT_DEVICE_ID_EV_MAX); | |
1d8f430c | 793 | sprintf(alias + strlen(alias), "k*"); |
6543becf AS |
794 | if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT) |
795 | do_input(alias, *keybit, | |
dc24f0e7 SR |
796 | INPUT_DEVICE_ID_KEY_MIN_INTERESTING, |
797 | INPUT_DEVICE_ID_KEY_MAX); | |
1d8f430c | 798 | sprintf(alias + strlen(alias), "r*"); |
6543becf AS |
799 | if (flags & INPUT_DEVICE_ID_MATCH_RELBIT) |
800 | do_input(alias, *relbit, 0, INPUT_DEVICE_ID_REL_MAX); | |
1d8f430c | 801 | sprintf(alias + strlen(alias), "a*"); |
6543becf AS |
802 | if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT) |
803 | do_input(alias, *absbit, 0, INPUT_DEVICE_ID_ABS_MAX); | |
1d8f430c | 804 | sprintf(alias + strlen(alias), "m*"); |
6543becf AS |
805 | if (flags & INPUT_DEVICE_ID_MATCH_MSCIT) |
806 | do_input(alias, *mscbit, 0, INPUT_DEVICE_ID_MSC_MAX); | |
1d8f430c | 807 | sprintf(alias + strlen(alias), "l*"); |
6543becf AS |
808 | if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT) |
809 | do_input(alias, *ledbit, 0, INPUT_DEVICE_ID_LED_MAX); | |
1d8f430c | 810 | sprintf(alias + strlen(alias), "s*"); |
6543becf AS |
811 | if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT) |
812 | do_input(alias, *sndbit, 0, INPUT_DEVICE_ID_SND_MAX); | |
1d8f430c | 813 | sprintf(alias + strlen(alias), "f*"); |
6543becf AS |
814 | if (flags & INPUT_DEVICE_ID_MATCH_FFBIT) |
815 | do_input(alias, *ffbit, 0, INPUT_DEVICE_ID_FF_MAX); | |
1d8f430c | 816 | sprintf(alias + strlen(alias), "w*"); |
6543becf AS |
817 | if (flags & INPUT_DEVICE_ID_MATCH_SWBIT) |
818 | do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX); | |
1d8f430c RR |
819 | return 1; |
820 | } | |
6543becf | 821 | ADD_TO_DEVTABLE("input", input_device_id, do_input_entry); |
1d8f430c | 822 | |
6543becf | 823 | static int do_eisa_entry(const char *filename, void *symval, |
07563c71 MT |
824 | char *alias) |
825 | { | |
6543becf AS |
826 | DEF_FIELD_ADDR(symval, eisa_device_id, sig); |
827 | if (sig[0]) | |
828 | sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", *sig); | |
ac551828 JD |
829 | else |
830 | strcat(alias, "*"); | |
07563c71 MT |
831 | return 1; |
832 | } | |
6543becf | 833 | ADD_TO_DEVTABLE("eisa", eisa_device_id, do_eisa_entry); |
07563c71 | 834 | |
f3cf2673 | 835 | /* Looks like: parisc:tNhvNrevNsvN */ |
6543becf | 836 | static int do_parisc_entry(const char *filename, void *symval, |
f3cf2673 KM |
837 | char *alias) |
838 | { | |
6543becf AS |
839 | DEF_FIELD(symval, parisc_device_id, hw_type); |
840 | DEF_FIELD(symval, parisc_device_id, hversion); | |
841 | DEF_FIELD(symval, parisc_device_id, hversion_rev); | |
842 | DEF_FIELD(symval, parisc_device_id, sversion); | |
f3cf2673 KM |
843 | |
844 | strcpy(alias, "parisc:"); | |
6543becf AS |
845 | ADD(alias, "t", hw_type != PA_HWTYPE_ANY_ID, hw_type); |
846 | ADD(alias, "hv", hversion != PA_HVERSION_ANY_ID, hversion); | |
847 | ADD(alias, "rev", hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev); | |
848 | ADD(alias, "sv", sversion != PA_SVERSION_ANY_ID, sversion); | |
f3cf2673 | 849 | |
ac551828 | 850 | add_wildcard(alias); |
f3cf2673 KM |
851 | return 1; |
852 | } | |
6543becf | 853 | ADD_TO_DEVTABLE("parisc", parisc_device_id, do_parisc_entry); |
f3cf2673 | 854 | |
d59b66c7 PO |
855 | /* Looks like: sdio:cNvNdN. */ |
856 | static int do_sdio_entry(const char *filename, | |
6543becf | 857 | void *symval, char *alias) |
d59b66c7 | 858 | { |
6543becf AS |
859 | DEF_FIELD(symval, sdio_device_id, class); |
860 | DEF_FIELD(symval, sdio_device_id, vendor); | |
861 | DEF_FIELD(symval, sdio_device_id, device); | |
d59b66c7 PO |
862 | |
863 | strcpy(alias, "sdio:"); | |
6543becf AS |
864 | ADD(alias, "c", class != (__u8)SDIO_ANY_ID, class); |
865 | ADD(alias, "v", vendor != (__u16)SDIO_ANY_ID, vendor); | |
866 | ADD(alias, "d", device != (__u16)SDIO_ANY_ID, device); | |
ac551828 | 867 | add_wildcard(alias); |
038a5008 LT |
868 | return 1; |
869 | } | |
6543becf | 870 | ADD_TO_DEVTABLE("sdio", sdio_device_id, do_sdio_entry); |
038a5008 | 871 | |
61e115a5 MB |
872 | /* Looks like: ssb:vNidNrevN. */ |
873 | static int do_ssb_entry(const char *filename, | |
6543becf | 874 | void *symval, char *alias) |
61e115a5 | 875 | { |
6543becf AS |
876 | DEF_FIELD(symval, ssb_device_id, vendor); |
877 | DEF_FIELD(symval, ssb_device_id, coreid); | |
878 | DEF_FIELD(symval, ssb_device_id, revision); | |
d59b66c7 | 879 | |
61e115a5 | 880 | strcpy(alias, "ssb:"); |
6543becf AS |
881 | ADD(alias, "v", vendor != SSB_ANY_VENDOR, vendor); |
882 | ADD(alias, "id", coreid != SSB_ANY_ID, coreid); | |
883 | ADD(alias, "rev", revision != SSB_ANY_REV, revision); | |
ac551828 | 884 | add_wildcard(alias); |
d59b66c7 PO |
885 | return 1; |
886 | } | |
6543becf | 887 | ADD_TO_DEVTABLE("ssb", ssb_device_id, do_ssb_entry); |
d59b66c7 | 888 | |
8369ae33 RM |
889 | /* Looks like: bcma:mNidNrevNclN. */ |
890 | static int do_bcma_entry(const char *filename, | |
6543becf | 891 | void *symval, char *alias) |
8369ae33 | 892 | { |
6543becf AS |
893 | DEF_FIELD(symval, bcma_device_id, manuf); |
894 | DEF_FIELD(symval, bcma_device_id, id); | |
895 | DEF_FIELD(symval, bcma_device_id, rev); | |
896 | DEF_FIELD(symval, bcma_device_id, class); | |
8369ae33 RM |
897 | |
898 | strcpy(alias, "bcma:"); | |
6543becf AS |
899 | ADD(alias, "m", manuf != BCMA_ANY_MANUF, manuf); |
900 | ADD(alias, "id", id != BCMA_ANY_ID, id); | |
901 | ADD(alias, "rev", rev != BCMA_ANY_REV, rev); | |
902 | ADD(alias, "cl", class != BCMA_ANY_CLASS, class); | |
8369ae33 RM |
903 | add_wildcard(alias); |
904 | return 1; | |
905 | } | |
6543becf | 906 | ADD_TO_DEVTABLE("bcma", bcma_device_id, do_bcma_entry); |
8369ae33 | 907 | |
b01d9f28 | 908 | /* Looks like: virtio:dNvN */ |
6543becf | 909 | static int do_virtio_entry(const char *filename, void *symval, |
b01d9f28 RR |
910 | char *alias) |
911 | { | |
6543becf AS |
912 | DEF_FIELD(symval, virtio_device_id, device); |
913 | DEF_FIELD(symval, virtio_device_id, vendor); | |
b01d9f28 RR |
914 | |
915 | strcpy(alias, "virtio:"); | |
6543becf AS |
916 | ADD(alias, "d", device != VIRTIO_DEV_ANY_ID, device); |
917 | ADD(alias, "v", vendor != VIRTIO_DEV_ANY_ID, vendor); | |
b01d9f28 | 918 | |
ac551828 | 919 | add_wildcard(alias); |
b01d9f28 RR |
920 | return 1; |
921 | } | |
6543becf | 922 | ADD_TO_DEVTABLE("virtio", virtio_device_id, do_virtio_entry); |
b01d9f28 | 923 | |
d2ee52aa S |
924 | /* |
925 | * Looks like: vmbus:guid | |
926 | * Each byte of the guid will be represented by two hex characters | |
927 | * in the name. | |
928 | */ | |
929 | ||
6543becf | 930 | static int do_vmbus_entry(const char *filename, void *symval, |
d2ee52aa S |
931 | char *alias) |
932 | { | |
933 | int i; | |
6543becf AS |
934 | DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid); |
935 | char guid_name[(sizeof(*guid) + 1) * 2]; | |
d2ee52aa | 936 | |
6543becf | 937 | for (i = 0; i < (sizeof(*guid) * 2); i += 2) |
af3ff643 | 938 | sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2])); |
d2ee52aa S |
939 | |
940 | strcpy(alias, "vmbus:"); | |
941 | strcat(alias, guid_name); | |
942 | ||
943 | return 1; | |
944 | } | |
6543becf | 945 | ADD_TO_DEVTABLE("vmbus", hv_vmbus_device_id, do_vmbus_entry); |
d2ee52aa | 946 | |
d2653e92 | 947 | /* Looks like: i2c:S */ |
6543becf | 948 | static int do_i2c_entry(const char *filename, void *symval, |
d2653e92 JD |
949 | char *alias) |
950 | { | |
6543becf AS |
951 | DEF_FIELD_ADDR(symval, i2c_device_id, name); |
952 | sprintf(alias, I2C_MODULE_PREFIX "%s", *name); | |
d2653e92 JD |
953 | |
954 | return 1; | |
955 | } | |
6543becf | 956 | ADD_TO_DEVTABLE("i2c", i2c_device_id, do_i2c_entry); |
d2653e92 | 957 | |
e0626e38 | 958 | /* Looks like: spi:S */ |
6543becf | 959 | static int do_spi_entry(const char *filename, void *symval, |
75368bf6 AV |
960 | char *alias) |
961 | { | |
6543becf AS |
962 | DEF_FIELD_ADDR(symval, spi_device_id, name); |
963 | sprintf(alias, SPI_MODULE_PREFIX "%s", *name); | |
75368bf6 AV |
964 | |
965 | return 1; | |
966 | } | |
6543becf | 967 | ADD_TO_DEVTABLE("spi", spi_device_id, do_spi_entry); |
75368bf6 | 968 | |
d945b697 DW |
969 | static const struct dmifield { |
970 | const char *prefix; | |
971 | int field; | |
972 | } dmi_fields[] = { | |
973 | { "bvn", DMI_BIOS_VENDOR }, | |
974 | { "bvr", DMI_BIOS_VERSION }, | |
975 | { "bd", DMI_BIOS_DATE }, | |
976 | { "svn", DMI_SYS_VENDOR }, | |
977 | { "pn", DMI_PRODUCT_NAME }, | |
978 | { "pvr", DMI_PRODUCT_VERSION }, | |
979 | { "rvn", DMI_BOARD_VENDOR }, | |
980 | { "rn", DMI_BOARD_NAME }, | |
981 | { "rvr", DMI_BOARD_VERSION }, | |
982 | { "cvn", DMI_CHASSIS_VENDOR }, | |
983 | { "ct", DMI_CHASSIS_TYPE }, | |
984 | { "cvr", DMI_CHASSIS_VERSION }, | |
985 | { NULL, DMI_NONE } | |
986 | }; | |
987 | ||
988 | static void dmi_ascii_filter(char *d, const char *s) | |
989 | { | |
990 | /* Filter out characters we don't want to see in the modalias string */ | |
991 | for (; *s; s++) | |
992 | if (*s > ' ' && *s < 127 && *s != ':') | |
993 | *(d++) = *s; | |
994 | ||
995 | *d = 0; | |
996 | } | |
997 | ||
998 | ||
6543becf | 999 | static int do_dmi_entry(const char *filename, void *symval, |
d945b697 DW |
1000 | char *alias) |
1001 | { | |
1002 | int i, j; | |
6543becf | 1003 | DEF_FIELD_ADDR(symval, dmi_system_id, matches); |
d945b697 DW |
1004 | sprintf(alias, "dmi*"); |
1005 | ||
1006 | for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { | |
1007 | for (j = 0; j < 4; j++) { | |
6543becf AS |
1008 | if ((*matches)[j].slot && |
1009 | (*matches)[j].slot == dmi_fields[i].field) { | |
d945b697 DW |
1010 | sprintf(alias + strlen(alias), ":%s*", |
1011 | dmi_fields[i].prefix); | |
1012 | dmi_ascii_filter(alias + strlen(alias), | |
6543becf | 1013 | (*matches)[j].substr); |
d945b697 DW |
1014 | strcat(alias, "*"); |
1015 | } | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | strcat(alias, ":"); | |
1020 | return 1; | |
1021 | } | |
6543becf | 1022 | ADD_TO_DEVTABLE("dmi", dmi_system_id, do_dmi_entry); |
57fee4a5 EM |
1023 | |
1024 | static int do_platform_entry(const char *filename, | |
6543becf | 1025 | void *symval, char *alias) |
57fee4a5 | 1026 | { |
6543becf AS |
1027 | DEF_FIELD_ADDR(symval, platform_device_id, name); |
1028 | sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name); | |
57fee4a5 EM |
1029 | return 1; |
1030 | } | |
6543becf | 1031 | ADD_TO_DEVTABLE("platform", platform_device_id, do_platform_entry); |
57fee4a5 | 1032 | |
8626d3b4 | 1033 | static int do_mdio_entry(const char *filename, |
6543becf | 1034 | void *symval, char *alias) |
8626d3b4 DW |
1035 | { |
1036 | int i; | |
6543becf AS |
1037 | DEF_FIELD(symval, mdio_device_id, phy_id); |
1038 | DEF_FIELD(symval, mdio_device_id, phy_id_mask); | |
8626d3b4 DW |
1039 | |
1040 | alias += sprintf(alias, MDIO_MODULE_PREFIX); | |
1041 | ||
1042 | for (i = 0; i < 32; i++) { | |
6543becf | 1043 | if (!((phy_id_mask >> (31-i)) & 1)) |
8626d3b4 | 1044 | *(alias++) = '?'; |
6543becf | 1045 | else if ((phy_id >> (31-i)) & 1) |
8626d3b4 DW |
1046 | *(alias++) = '1'; |
1047 | else | |
1048 | *(alias++) = '0'; | |
1049 | } | |
1050 | ||
1051 | /* Terminate the string */ | |
1052 | *alias = 0; | |
1053 | ||
1054 | return 1; | |
1055 | } | |
6543becf | 1056 | ADD_TO_DEVTABLE("mdio", mdio_device_id, do_mdio_entry); |
8626d3b4 | 1057 | |
bf54a2b3 | 1058 | /* Looks like: zorro:iN. */ |
6543becf | 1059 | static int do_zorro_entry(const char *filename, void *symval, |
bf54a2b3 GU |
1060 | char *alias) |
1061 | { | |
6543becf | 1062 | DEF_FIELD(symval, zorro_device_id, id); |
bf54a2b3 | 1063 | strcpy(alias, "zorro:"); |
6543becf | 1064 | ADD(alias, "i", id != ZORRO_WILDCARD, id); |
bf54a2b3 GU |
1065 | return 1; |
1066 | } | |
6543becf | 1067 | ADD_TO_DEVTABLE("zorro", zorro_device_id, do_zorro_entry); |
bf54a2b3 | 1068 | |
fedb3d27 OZ |
1069 | /* looks like: "pnp:dD" */ |
1070 | static int do_isapnp_entry(const char *filename, | |
6543becf | 1071 | void *symval, char *alias) |
fedb3d27 | 1072 | { |
6543becf AS |
1073 | DEF_FIELD(symval, isapnp_device_id, vendor); |
1074 | DEF_FIELD(symval, isapnp_device_id, function); | |
fedb3d27 | 1075 | sprintf(alias, "pnp:d%c%c%c%x%x%x%x*", |
6543becf AS |
1076 | 'A' + ((vendor >> 2) & 0x3f) - 1, |
1077 | 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, | |
1078 | 'A' + ((vendor >> 8) & 0x1f) - 1, | |
1079 | (function >> 4) & 0x0f, function & 0x0f, | |
1080 | (function >> 12) & 0x0f, (function >> 8) & 0x0f); | |
fedb3d27 OZ |
1081 | return 1; |
1082 | } | |
6543becf | 1083 | ADD_TO_DEVTABLE("isapnp", isapnp_device_id, do_isapnp_entry); |
fedb3d27 | 1084 | |
849e0ad2 JT |
1085 | /* Looks like: "ipack:fNvNdN". */ |
1086 | static int do_ipack_entry(const char *filename, | |
6543becf | 1087 | void *symval, char *alias) |
849e0ad2 | 1088 | { |
6543becf AS |
1089 | DEF_FIELD(symval, ipack_device_id, format); |
1090 | DEF_FIELD(symval, ipack_device_id, vendor); | |
1091 | DEF_FIELD(symval, ipack_device_id, device); | |
849e0ad2 | 1092 | strcpy(alias, "ipack:"); |
6543becf AS |
1093 | ADD(alias, "f", format != IPACK_ANY_FORMAT, format); |
1094 | ADD(alias, "v", vendor != IPACK_ANY_ID, vendor); | |
1095 | ADD(alias, "d", device != IPACK_ANY_ID, device); | |
849e0ad2 JT |
1096 | add_wildcard(alias); |
1097 | return 1; | |
1098 | } | |
6543becf | 1099 | ADD_TO_DEVTABLE("ipack", ipack_device_id, do_ipack_entry); |
849e0ad2 | 1100 | |
523817bd DM |
1101 | /* |
1102 | * Append a match expression for a single masked hex digit. | |
1103 | * outp points to a pointer to the character at which to append. | |
1104 | * *outp is updated on return to point just after the appended text, | |
1105 | * to facilitate further appending. | |
1106 | */ | |
1107 | static void append_nibble_mask(char **outp, | |
1108 | unsigned int nibble, unsigned int mask) | |
1109 | { | |
1110 | char *p = *outp; | |
1111 | unsigned int i; | |
1112 | ||
1113 | switch (mask) { | |
1114 | case 0: | |
1115 | *p++ = '?'; | |
1116 | break; | |
1117 | ||
1118 | case 0xf: | |
1119 | p += sprintf(p, "%X", nibble); | |
1120 | break; | |
1121 | ||
1122 | default: | |
1123 | /* | |
1124 | * Dumbly emit a match pattern for all possible matching | |
1125 | * digits. This could be improved in some cases using ranges, | |
1126 | * but it has the advantage of being trivially correct, and is | |
1127 | * often optimal. | |
1128 | */ | |
1129 | *p++ = '['; | |
1130 | for (i = 0; i < 0x10; i++) | |
1131 | if ((i & mask) == nibble) | |
1132 | p += sprintf(p, "%X", i); | |
1133 | *p++ = ']'; | |
1134 | } | |
1135 | ||
1136 | /* Ensure that the string remains NUL-terminated: */ | |
1137 | *p = '\0'; | |
1138 | ||
1139 | /* Advance the caller's end-of-string pointer: */ | |
1140 | *outp = p; | |
1141 | } | |
1142 | ||
1143 | /* | |
1144 | * looks like: "amba:dN" | |
1145 | * | |
1146 | * N is exactly 8 digits, where each is an upper-case hex digit, or | |
1147 | * a ? or [] pattern matching exactly one digit. | |
1148 | */ | |
1149 | static int do_amba_entry(const char *filename, | |
6543becf | 1150 | void *symval, char *alias) |
523817bd DM |
1151 | { |
1152 | unsigned int digit; | |
1153 | char *p = alias; | |
6543becf AS |
1154 | DEF_FIELD(symval, amba_id, id); |
1155 | DEF_FIELD(symval, amba_id, mask); | |
523817bd | 1156 | |
6543becf | 1157 | if ((id & mask) != id) |
523817bd DM |
1158 | fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " |
1159 | "id=0x%08X, mask=0x%08X. Please fix this driver.\n", | |
6543becf | 1160 | filename, id, mask); |
523817bd DM |
1161 | |
1162 | p += sprintf(alias, "amba:d"); | |
1163 | for (digit = 0; digit < 8; digit++) | |
1164 | append_nibble_mask(&p, | |
6543becf AS |
1165 | (id >> (4 * (7 - digit))) & 0xf, |
1166 | (mask >> (4 * (7 - digit))) & 0xf); | |
523817bd DM |
1167 | |
1168 | return 1; | |
1169 | } | |
6543becf | 1170 | ADD_TO_DEVTABLE("amba", amba_id, do_amba_entry); |
523817bd | 1171 | |
8286ae03 JH |
1172 | /* |
1173 | * looks like: "mipscdmm:tN" | |
1174 | * | |
1175 | * N is exactly 2 digits, where each is an upper-case hex digit, or | |
1176 | * a ? or [] pattern matching exactly one digit. | |
1177 | */ | |
1178 | static int do_mips_cdmm_entry(const char *filename, | |
1179 | void *symval, char *alias) | |
1180 | { | |
1181 | DEF_FIELD(symval, mips_cdmm_device_id, type); | |
1182 | ||
1183 | sprintf(alias, "mipscdmm:t%02X*", type); | |
1184 | return 1; | |
1185 | } | |
1186 | ADD_TO_DEVTABLE("mipscdmm", mips_cdmm_device_id, do_mips_cdmm_entry); | |
1187 | ||
2b9c1f03 | 1188 | /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,* |
644e9cbb AK |
1189 | * All fields are numbers. It would be nicer to use strings for vendor |
1190 | * and feature, but getting those out of the build system here is too | |
1191 | * complicated. | |
1192 | */ | |
1193 | ||
6543becf | 1194 | static int do_x86cpu_entry(const char *filename, void *symval, |
644e9cbb AK |
1195 | char *alias) |
1196 | { | |
6543becf AS |
1197 | DEF_FIELD(symval, x86_cpu_id, feature); |
1198 | DEF_FIELD(symval, x86_cpu_id, family); | |
1199 | DEF_FIELD(symval, x86_cpu_id, model); | |
1200 | DEF_FIELD(symval, x86_cpu_id, vendor); | |
644e9cbb | 1201 | |
2b9c1f03 AB |
1202 | strcpy(alias, "cpu:type:x86,"); |
1203 | ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor); | |
1204 | ADD(alias, "fam", family != X86_FAMILY_ANY, family); | |
1205 | ADD(alias, "mod", model != X86_MODEL_ANY, model); | |
5467bdda | 1206 | strcat(alias, ":feature:*"); |
6543becf AS |
1207 | if (feature != X86_FEATURE_ANY) |
1208 | sprintf(alias + strlen(alias), "%04X*", feature); | |
644e9cbb AK |
1209 | return 1; |
1210 | } | |
6543becf | 1211 | ADD_TO_DEVTABLE("x86cpu", x86_cpu_id, do_x86cpu_entry); |
644e9cbb | 1212 | |
67bad2fd AB |
1213 | /* LOOKS like cpu:type:*:feature:*FEAT* */ |
1214 | static int do_cpu_entry(const char *filename, void *symval, char *alias) | |
1215 | { | |
1216 | DEF_FIELD(symval, cpu_feature, feature); | |
1217 | ||
1218 | sprintf(alias, "cpu:type:*:feature:*%04X*", feature); | |
1219 | return 1; | |
1220 | } | |
1221 | ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry); | |
1222 | ||
b26864ca | 1223 | /* Looks like: mei:S:uuid:N:* */ |
e5354107 SO |
1224 | static int do_mei_entry(const char *filename, void *symval, |
1225 | char *alias) | |
1226 | { | |
1227 | DEF_FIELD_ADDR(symval, mei_cl_device_id, name); | |
c93b76b3 | 1228 | DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid); |
b26864ca | 1229 | DEF_FIELD(symval, mei_cl_device_id, version); |
c93b76b3 TW |
1230 | |
1231 | sprintf(alias, MEI_CL_MODULE_PREFIX); | |
1232 | sprintf(alias + strlen(alias), "%s:", (*name)[0] ? *name : "*"); | |
1233 | add_uuid(alias, *uuid); | |
b26864ca | 1234 | ADD(alias, ":", version != MEI_CL_VERSION_ANY, version); |
e5354107 | 1235 | |
c93b76b3 | 1236 | strcat(alias, ":*"); |
e5354107 SO |
1237 | |
1238 | return 1; | |
1239 | } | |
1240 | ADD_TO_DEVTABLE("mei", mei_cl_device_id, do_mei_entry); | |
1241 | ||
3bdbb62f AB |
1242 | /* Looks like: rapidio:vNdNavNadN */ |
1243 | static int do_rio_entry(const char *filename, | |
1244 | void *symval, char *alias) | |
1245 | { | |
1246 | DEF_FIELD(symval, rio_device_id, did); | |
1247 | DEF_FIELD(symval, rio_device_id, vid); | |
1248 | DEF_FIELD(symval, rio_device_id, asm_did); | |
1249 | DEF_FIELD(symval, rio_device_id, asm_vid); | |
1250 | ||
1251 | strcpy(alias, "rapidio:"); | |
1252 | ADD(alias, "v", vid != RIO_ANY_ID, vid); | |
1253 | ADD(alias, "d", did != RIO_ANY_ID, did); | |
1254 | ADD(alias, "av", asm_vid != RIO_ANY_ID, asm_vid); | |
1255 | ADD(alias, "ad", asm_did != RIO_ANY_ID, asm_did); | |
1256 | ||
1257 | add_wildcard(alias); | |
1258 | return 1; | |
1259 | } | |
1260 | ADD_TO_DEVTABLE("rapidio", rio_device_id, do_rio_entry); | |
1261 | ||
289fcff4 HK |
1262 | /* Looks like: ulpi:vNpN */ |
1263 | static int do_ulpi_entry(const char *filename, void *symval, | |
1264 | char *alias) | |
1265 | { | |
1266 | DEF_FIELD(symval, ulpi_device_id, vendor); | |
1267 | DEF_FIELD(symval, ulpi_device_id, product); | |
1268 | ||
1269 | sprintf(alias, "ulpi:v%04xp%04x", vendor, product); | |
1270 | ||
1271 | return 1; | |
1272 | } | |
1273 | ADD_TO_DEVTABLE("ulpi", ulpi_device_id, do_ulpi_entry); | |
1274 | ||
da23ac1e SP |
1275 | /* Looks like: hdaudio:vNrNaN */ |
1276 | static int do_hda_entry(const char *filename, void *symval, char *alias) | |
1277 | { | |
1278 | DEF_FIELD(symval, hda_device_id, vendor_id); | |
1279 | DEF_FIELD(symval, hda_device_id, rev_id); | |
1280 | DEF_FIELD(symval, hda_device_id, api_version); | |
1281 | ||
1282 | strcpy(alias, "hdaudio:"); | |
1283 | ADD(alias, "v", vendor_id != 0, vendor_id); | |
1284 | ADD(alias, "r", rev_id != 0, rev_id); | |
1285 | ADD(alias, "a", api_version != 0, api_version); | |
1286 | ||
1287 | add_wildcard(alias); | |
1288 | return 1; | |
1289 | } | |
1290 | ADD_TO_DEVTABLE("hdaudio", hda_device_id, do_hda_entry); | |
1291 | ||
626596e2 RR |
1292 | /* Does namelen bytes of name exactly match the symbol? */ |
1293 | static bool sym_is(const char *name, unsigned namelen, const char *symbol) | |
1da177e4 | 1294 | { |
626596e2 RR |
1295 | if (namelen != strlen(symbol)) |
1296 | return false; | |
1da177e4 | 1297 | |
626596e2 | 1298 | return memcmp(name, symbol, namelen) == 0; |
1da177e4 LT |
1299 | } |
1300 | ||
1301 | static void do_table(void *symval, unsigned long size, | |
1302 | unsigned long id_size, | |
fb33d816 | 1303 | const char *device_id, |
1da177e4 LT |
1304 | void *function, |
1305 | struct module *mod) | |
1306 | { | |
1307 | unsigned int i; | |
1308 | char alias[500]; | |
1309 | int (*do_entry)(const char *, void *entry, char *alias) = function; | |
1310 | ||
e0049825 | 1311 | device_id_check(mod->name, device_id, size, id_size, symval); |
1da177e4 LT |
1312 | /* Leave last one: it's the terminator. */ |
1313 | size -= id_size; | |
1314 | ||
1315 | for (i = 0; i < size; i += id_size) { | |
1316 | if (do_entry(mod->name, symval+i, alias)) { | |
1da177e4 LT |
1317 | buf_printf(&mod->dev_table_buf, |
1318 | "MODULE_ALIAS(\"%s\");\n", alias); | |
1319 | } | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | /* Create MODULE_ALIAS() statements. | |
1324 | * At this time, we cannot write the actual output C source yet, | |
1325 | * so we write into the mod->dev_table_buf buffer. */ | |
1326 | void handle_moddevtable(struct module *mod, struct elf_info *info, | |
1327 | Elf_Sym *sym, const char *symname) | |
1328 | { | |
1329 | void *symval; | |
e0049825 | 1330 | char *zeros = NULL; |
21bdd17b | 1331 | const char *name, *identifier; |
626596e2 | 1332 | unsigned int namelen; |
1da177e4 LT |
1333 | |
1334 | /* We're looking for a section relative symbol */ | |
1ce53adf | 1335 | if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) |
1da177e4 LT |
1336 | return; |
1337 | ||
e88aa7bb DM |
1338 | /* We're looking for an object */ |
1339 | if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) | |
1340 | return; | |
1341 | ||
21bdd17b | 1342 | /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */ |
626596e2 RR |
1343 | name = strstr(symname, "__mod_"); |
1344 | if (!name) | |
1345 | return; | |
1346 | name += strlen("__mod_"); | |
1347 | namelen = strlen(name); | |
1348 | if (namelen < strlen("_device_table")) | |
1349 | return; | |
1350 | if (strcmp(name + namelen - strlen("_device_table"), "_device_table")) | |
1351 | return; | |
21bdd17b TG |
1352 | identifier = strstr(name, "__"); |
1353 | if (!identifier) | |
1354 | return; | |
1355 | namelen = identifier - name; | |
626596e2 | 1356 | |
e0049825 | 1357 | /* Handle all-NULL symbols allocated into .bss */ |
1ce53adf | 1358 | if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { |
e0049825 KC |
1359 | zeros = calloc(1, sym->st_size); |
1360 | symval = zeros; | |
1361 | } else { | |
1362 | symval = (void *)info->hdr | |
1ce53adf | 1363 | + info->sechdrs[get_secindex(info, sym)].sh_offset |
e0049825 KC |
1364 | + sym->st_value; |
1365 | } | |
1da177e4 | 1366 | |
626596e2 RR |
1367 | /* First handle the "special" cases */ |
1368 | if (sym_is(name, namelen, "usb")) | |
b19dcd93 | 1369 | do_usb_table(symval, sym->st_size, mod); |
acbef7b7 PZ |
1370 | if (sym_is(name, namelen, "of")) |
1371 | do_of_table(symval, sym->st_size, mod); | |
626596e2 | 1372 | else if (sym_is(name, namelen, "pnp")) |
22454cb9 | 1373 | do_pnp_device_entry(symval, sym->st_size, mod); |
626596e2 | 1374 | else if (sym_is(name, namelen, "pnp_card")) |
0c81eed4 | 1375 | do_pnp_card_entries(symval, sym->st_size, mod); |
626596e2 | 1376 | else { |
e49ce141 | 1377 | struct devtable **p; |
dd2a3aca | 1378 | INIT_SECTION(__devtable); |
626596e2 | 1379 | |
e49ce141 RR |
1380 | for (p = __start___devtable; p < __stop___devtable; p++) { |
1381 | if (sym_is(name, namelen, (*p)->device_id)) { | |
1382 | do_table(symval, sym->st_size, (*p)->id_size, | |
1383 | (*p)->device_id, (*p)->function, mod); | |
626596e2 RR |
1384 | break; |
1385 | } | |
1386 | } | |
1387 | } | |
e0049825 | 1388 | free(zeros); |
1da177e4 LT |
1389 | } |
1390 | ||
1391 | /* Now add out buffered information to the generated C source */ | |
1392 | void add_moddevtable(struct buffer *buf, struct module *mod) | |
1393 | { | |
1394 | buf_printf(buf, "\n"); | |
1395 | buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos); | |
1396 | free(mod->dev_table_buf.p); | |
1397 | } |