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; | |
389c9af7 HK |
37 | typedef struct { |
38 | __u8 b[16]; | |
39 | } guid_t; | |
40 | ||
41 | /* backwards compatibility, don't use in new code */ | |
b144ce2d GKH |
42 | typedef struct { |
43 | __u8 b[16]; | |
44 | } uuid_le; | |
0fc1db9d SG |
45 | typedef struct { |
46 | __u8 b[16]; | |
47 | } uuid_t; | |
eacc95ea | 48 | #define UUID_STRING_LEN 36 |
1da177e4 LT |
49 | |
50 | /* Big exception to the "don't include kernel headers into userspace, which | |
62070fa4 | 51 | * even potentially has different endianness and word sizes, since |
1da177e4 LT |
52 | * we handle those differences explicitly below */ |
53 | #include "../../include/linux/mod_devicetable.h" | |
54 | ||
e49ce141 RR |
55 | /* This array collects all instances that use the generic do_table */ |
56 | struct devtable { | |
21bdd17b | 57 | const char *device_id; /* name of table, __mod_<name>__*_device_table. */ |
e49ce141 | 58 | unsigned long id_size; |
f880eea6 | 59 | int (*do_entry)(const char *filename, void *symval, char *alias); |
e49ce141 RR |
60 | }; |
61 | ||
841f1b8f MJ |
62 | /* Size of alias provided to do_entry functions */ |
63 | #define ALIAS_SIZE 500 | |
64 | ||
6543becf AS |
65 | /* Define a variable f that holds the value of field f of struct devid |
66 | * based at address m. | |
67 | */ | |
68 | #define DEF_FIELD(m, devid, f) \ | |
69 | typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) | |
c2b1a922 LB |
70 | |
71 | /* Define a variable v that holds the address of field f of struct devid | |
72 | * based at address m. Due to the way typeof works, for a field of type | |
73 | * T[N] the variable has type T(*)[N], _not_ T*. | |
74 | */ | |
75 | #define DEF_FIELD_ADDR_VAR(m, devid, f, v) \ | |
76 | typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f) | |
77 | ||
6543becf AS |
78 | /* Define a variable f that holds the address of field f of struct devid |
79 | * based at address m. Due to the way typeof works, for a field of type | |
80 | * T[N] the variable has type T(*)[N], _not_ T*. | |
81 | */ | |
82 | #define DEF_FIELD_ADDR(m, devid, f) \ | |
c2b1a922 | 83 | DEF_FIELD_ADDR_VAR(m, devid, f, f) |
6543becf | 84 | |
1da177e4 LT |
85 | #define ADD(str, sep, cond, field) \ |
86 | do { \ | |
87 | strcat(str, sep); \ | |
88 | if (cond) \ | |
89 | sprintf(str + strlen(str), \ | |
90 | sizeof(field) == 1 ? "%02X" : \ | |
91 | sizeof(field) == 2 ? "%04X" : \ | |
92 | sizeof(field) == 4 ? "%08X" : "", \ | |
93 | field); \ | |
94 | else \ | |
95 | sprintf(str + strlen(str), "*"); \ | |
96 | } while(0) | |
97 | ||
2f632369 | 98 | /* End in a wildcard, for future extension */ |
ac551828 JD |
99 | static inline void add_wildcard(char *str) |
100 | { | |
101 | int len = strlen(str); | |
102 | ||
103 | if (str[len - 1] != '*') | |
104 | strcat(str + len, "*"); | |
105 | } | |
106 | ||
b144ce2d | 107 | static inline void add_uuid(char *str, uuid_le uuid) |
c93b76b3 TW |
108 | { |
109 | int len = strlen(str); | |
c93b76b3 | 110 | |
59796edc PB |
111 | sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", |
112 | uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], | |
113 | uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6], | |
114 | uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11], | |
115 | uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); | |
c93b76b3 TW |
116 | } |
117 | ||
fb33d816 SR |
118 | /** |
119 | * Check that sizeof(device_id type) are consistent with size of section | |
120 | * in .o file. If in-consistent then userspace and kernel does not agree | |
121 | * on actual size which is a bug. | |
e0049825 | 122 | * Also verify that the final entry in the table is all zeros. |
4ce6efed | 123 | * Ignore both checks if build host differ from target host and size differs. |
fb33d816 | 124 | **/ |
e0049825 KC |
125 | static void device_id_check(const char *modname, const char *device_id, |
126 | unsigned long size, unsigned long id_size, | |
127 | void *symval) | |
fb33d816 | 128 | { |
e0049825 KC |
129 | int i; |
130 | ||
fb33d816 SR |
131 | if (size % id_size || size < id_size) { |
132 | fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " | |
21bdd17b TG |
133 | "of the size of " |
134 | "section __mod_%s__<identifier>_device_table=%lu.\n" | |
fb33d816 SR |
135 | "Fix definition of struct %s_device_id " |
136 | "in mod_devicetable.h\n", | |
137 | modname, device_id, id_size, device_id, size, device_id); | |
138 | } | |
e0049825 KC |
139 | /* Verify last one is a terminator */ |
140 | for (i = 0; i < id_size; i++ ) { | |
141 | if (*(uint8_t*)(symval+size-id_size+i)) { | |
142 | fprintf(stderr,"%s: struct %s_device_id is %lu bytes. " | |
143 | "The last of %lu is:\n", | |
144 | modname, device_id, id_size, size / id_size); | |
145 | for (i = 0; i < id_size; i++ ) | |
146 | fprintf(stderr,"0x%02x ", | |
147 | *(uint8_t*)(symval+size-id_size+i) ); | |
148 | fprintf(stderr,"\n"); | |
149 | fatal("%s: struct %s_device_id is not terminated " | |
150 | "with a NULL entry!\n", modname, device_id); | |
151 | } | |
152 | } | |
fb33d816 SR |
153 | } |
154 | ||
b19dcd93 | 155 | /* USB is special because the bcdDevice can be matched against a numeric range */ |
81df2d59 | 156 | /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ |
6543becf | 157 | static void do_usb_entry(void *symval, |
b19dcd93 RK |
158 | unsigned int bcdDevice_initial, int bcdDevice_initial_digits, |
159 | unsigned char range_lo, unsigned char range_hi, | |
afe2dab4 | 160 | unsigned char max, struct module *mod) |
1da177e4 | 161 | { |
b19dcd93 | 162 | char alias[500]; |
6543becf AS |
163 | DEF_FIELD(symval, usb_device_id, match_flags); |
164 | DEF_FIELD(symval, usb_device_id, idVendor); | |
165 | DEF_FIELD(symval, usb_device_id, idProduct); | |
166 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
167 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
168 | DEF_FIELD(symval, usb_device_id, bDeviceSubClass); | |
169 | DEF_FIELD(symval, usb_device_id, bDeviceProtocol); | |
170 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
171 | DEF_FIELD(symval, usb_device_id, bInterfaceSubClass); | |
172 | DEF_FIELD(symval, usb_device_id, bInterfaceProtocol); | |
173 | DEF_FIELD(symval, usb_device_id, bInterfaceNumber); | |
174 | ||
1da177e4 | 175 | strcpy(alias, "usb:"); |
6543becf AS |
176 | ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR, |
177 | idVendor); | |
178 | ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT, | |
179 | idProduct); | |
b19dcd93 RK |
180 | |
181 | strcat(alias, "d"); | |
182 | if (bcdDevice_initial_digits) | |
183 | sprintf(alias + strlen(alias), "%0*X", | |
184 | bcdDevice_initial_digits, bcdDevice_initial); | |
185 | if (range_lo == range_hi) | |
afe2dab4 NM |
186 | sprintf(alias + strlen(alias), "%X", range_lo); |
187 | else if (range_lo > 0 || range_hi < max) { | |
188 | if (range_lo > 0x9 || range_hi < 0xA) | |
189 | sprintf(alias + strlen(alias), | |
190 | "[%X-%X]", | |
191 | range_lo, | |
192 | range_hi); | |
193 | else { | |
194 | sprintf(alias + strlen(alias), | |
195 | range_lo < 0x9 ? "[%X-9" : "[%X", | |
196 | range_lo); | |
197 | sprintf(alias + strlen(alias), | |
03b56329 JMM |
198 | range_hi > 0xA ? "A-%X]" : "%X]", |
199 | range_hi); | |
afe2dab4 NM |
200 | } |
201 | } | |
6543becf | 202 | if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) |
b19dcd93 RK |
203 | strcat(alias, "*"); |
204 | ||
6543becf AS |
205 | ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, |
206 | bDeviceClass); | |
207 | ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, | |
208 | bDeviceSubClass); | |
209 | ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, | |
210 | bDeviceProtocol); | |
211 | ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, | |
212 | bInterfaceClass); | |
213 | ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, | |
214 | bInterfaceSubClass); | |
215 | ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, | |
216 | bInterfaceProtocol); | |
217 | ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER, | |
218 | bInterfaceNumber); | |
b19dcd93 | 219 | |
ac551828 | 220 | add_wildcard(alias); |
b19dcd93 RK |
221 | buf_printf(&mod->dev_table_buf, |
222 | "MODULE_ALIAS(\"%s\");\n", alias); | |
223 | } | |
224 | ||
55f49f26 NM |
225 | /* Handles increment/decrement of BCD formatted integers */ |
226 | /* Returns the previous value, so it works like i++ or i-- */ | |
227 | static unsigned int incbcd(unsigned int *bcd, | |
228 | int inc, | |
229 | unsigned char max, | |
230 | size_t chars) | |
231 | { | |
232 | unsigned int init = *bcd, i, j; | |
233 | unsigned long long c, dec = 0; | |
234 | ||
235 | /* If bcd is not in BCD format, just increment */ | |
236 | if (max > 0x9) { | |
237 | *bcd += inc; | |
238 | return init; | |
239 | } | |
240 | ||
241 | /* Convert BCD to Decimal */ | |
242 | for (i=0 ; i < chars ; i++) { | |
243 | c = (*bcd >> (i << 2)) & 0xf; | |
244 | c = c > 9 ? 9 : c; /* force to bcd just in case */ | |
245 | for (j=0 ; j < i ; j++) | |
246 | c = c * 10; | |
247 | dec += c; | |
248 | } | |
249 | ||
250 | /* Do our increment/decrement */ | |
251 | dec += inc; | |
252 | *bcd = 0; | |
253 | ||
254 | /* Convert back to BCD */ | |
255 | for (i=0 ; i < chars ; i++) { | |
256 | for (c=1,j=0 ; j < i ; j++) | |
257 | c = c * 10; | |
258 | c = (dec / c) % 10; | |
259 | *bcd += c << (i << 2); | |
260 | } | |
261 | return init; | |
262 | } | |
263 | ||
6543becf | 264 | static void do_usb_entry_multi(void *symval, struct module *mod) |
b19dcd93 RK |
265 | { |
266 | unsigned int devlo, devhi; | |
afe2dab4 | 267 | unsigned char chi, clo, max; |
b19dcd93 RK |
268 | int ndigits; |
269 | ||
6543becf AS |
270 | DEF_FIELD(symval, usb_device_id, match_flags); |
271 | DEF_FIELD(symval, usb_device_id, idVendor); | |
272 | DEF_FIELD(symval, usb_device_id, idProduct); | |
273 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
274 | DEF_FIELD(symval, usb_device_id, bcdDevice_hi); | |
275 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
276 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
b19dcd93 | 277 | |
6543becf AS |
278 | devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? |
279 | bcdDevice_lo : 0x0U; | |
280 | devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? | |
281 | bcdDevice_hi : ~0x0U; | |
b19dcd93 | 282 | |
afe2dab4 NM |
283 | /* Figure out if this entry is in bcd or hex format */ |
284 | max = 0x9; /* Default to decimal format */ | |
6543becf | 285 | for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) { |
afe2dab4 NM |
286 | clo = (devlo >> (ndigits << 2)) & 0xf; |
287 | chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf; | |
288 | if (clo > max || chi > max) { | |
289 | max = 0xf; | |
290 | break; | |
291 | } | |
292 | } | |
293 | ||
b19dcd93 RK |
294 | /* |
295 | * Some modules (visor) have empty slots as placeholder for | |
296 | * run-time specification that results in catch-all alias | |
297 | */ | |
6543becf | 298 | if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass)) |
b19dcd93 RK |
299 | return; |
300 | ||
301 | /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ | |
6543becf | 302 | for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { |
b19dcd93 RK |
303 | clo = devlo & 0xf; |
304 | chi = devhi & 0xf; | |
afe2dab4 NM |
305 | if (chi > max) /* If we are in bcd mode, truncate if necessary */ |
306 | chi = max; | |
b19dcd93 RK |
307 | devlo >>= 4; |
308 | devhi >>= 4; | |
309 | ||
310 | if (devlo == devhi || !ndigits) { | |
6543becf | 311 | do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod); |
b19dcd93 RK |
312 | break; |
313 | } | |
314 | ||
afe2dab4 | 315 | if (clo > 0x0) |
6543becf | 316 | do_usb_entry(symval, |
55f49f26 | 317 | incbcd(&devlo, 1, max, |
6543becf | 318 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 319 | ndigits, clo, max, max, mod); |
b19dcd93 | 320 | |
afe2dab4 | 321 | if (chi < max) |
6543becf | 322 | do_usb_entry(symval, |
55f49f26 | 323 | incbcd(&devhi, -1, max, |
6543becf | 324 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 325 | ndigits, 0x0, chi, max, mod); |
b19dcd93 RK |
326 | } |
327 | } | |
328 | ||
329 | static void do_usb_table(void *symval, unsigned long size, | |
330 | struct module *mod) | |
331 | { | |
332 | unsigned int i; | |
6543becf | 333 | const unsigned long id_size = SIZE_usb_device_id; |
b19dcd93 | 334 | |
e0049825 | 335 | device_id_check(mod->name, "usb", size, id_size, symval); |
fb33d816 | 336 | |
b19dcd93 RK |
337 | /* Leave last one: it's the terminator. */ |
338 | size -= id_size; | |
339 | ||
340 | for (i = 0; i < size; i += id_size) | |
341 | do_usb_entry_multi(symval + i, mod); | |
1da177e4 LT |
342 | } |
343 | ||
acbef7b7 PZ |
344 | static void do_of_entry_multi(void *symval, struct module *mod) |
345 | { | |
346 | char alias[500]; | |
347 | int len; | |
348 | char *tmp; | |
349 | ||
350 | DEF_FIELD_ADDR(symval, of_device_id, name); | |
351 | DEF_FIELD_ADDR(symval, of_device_id, type); | |
352 | DEF_FIELD_ADDR(symval, of_device_id, compatible); | |
353 | ||
354 | len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", | |
355 | (*type)[0] ? *type : "*"); | |
356 | ||
b3c0a4da | 357 | if ((*compatible)[0]) |
acbef7b7 PZ |
358 | sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", |
359 | *compatible); | |
360 | ||
361 | /* Replace all whitespace with underscores */ | |
362 | for (tmp = alias; tmp && *tmp; tmp++) | |
363 | if (isspace(*tmp)) | |
364 | *tmp = '_'; | |
365 | ||
366 | buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
367 | strcat(alias, "C"); | |
368 | add_wildcard(alias); | |
369 | buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias); | |
370 | } | |
371 | ||
372 | static void do_of_table(void *symval, unsigned long size, | |
373 | struct module *mod) | |
374 | { | |
375 | unsigned int i; | |
376 | const unsigned long id_size = SIZE_of_device_id; | |
377 | ||
378 | device_id_check(mod->name, "of", size, id_size, symval); | |
379 | ||
380 | /* Leave last one: it's the terminator. */ | |
381 | size -= id_size; | |
382 | ||
383 | for (i = 0; i < size; i += id_size) | |
384 | do_of_entry_multi(symval + i, mod); | |
385 | } | |
386 | ||
e8c84f9a JS |
387 | /* Looks like: hid:bNvNpN */ |
388 | static int do_hid_entry(const char *filename, | |
6543becf | 389 | void *symval, char *alias) |
e8c84f9a | 390 | { |
6543becf AS |
391 | DEF_FIELD(symval, hid_device_id, bus); |
392 | DEF_FIELD(symval, hid_device_id, group); | |
393 | DEF_FIELD(symval, hid_device_id, vendor); | |
394 | DEF_FIELD(symval, hid_device_id, product); | |
e8c84f9a | 395 | |
7431fb76 | 396 | sprintf(alias, "hid:"); |
6543becf AS |
397 | ADD(alias, "b", bus != HID_BUS_ANY, bus); |
398 | ADD(alias, "g", group != HID_GROUP_ANY, group); | |
399 | ADD(alias, "v", vendor != HID_ANY_ID, vendor); | |
400 | ADD(alias, "p", product != HID_ANY_ID, product); | |
e8c84f9a JS |
401 | |
402 | return 1; | |
403 | } | |
404 | ||
1da177e4 LT |
405 | /* Looks like: ieee1394:venNmoNspNverN */ |
406 | static int do_ieee1394_entry(const char *filename, | |
6543becf | 407 | void *symval, char *alias) |
1da177e4 | 408 | { |
6543becf AS |
409 | DEF_FIELD(symval, ieee1394_device_id, match_flags); |
410 | DEF_FIELD(symval, ieee1394_device_id, vendor_id); | |
411 | DEF_FIELD(symval, ieee1394_device_id, model_id); | |
412 | DEF_FIELD(symval, ieee1394_device_id, specifier_id); | |
413 | DEF_FIELD(symval, ieee1394_device_id, version); | |
1da177e4 LT |
414 | |
415 | strcpy(alias, "ieee1394:"); | |
6543becf AS |
416 | ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID, |
417 | vendor_id); | |
418 | ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID, | |
419 | model_id); | |
420 | ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID, | |
421 | specifier_id); | |
422 | ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION, | |
423 | version); | |
1da177e4 | 424 | |
ac551828 | 425 | add_wildcard(alias); |
1da177e4 LT |
426 | return 1; |
427 | } | |
428 | ||
429 | /* Looks like: pci:vNdNsvNsdNbcNscNiN. */ | |
430 | static int do_pci_entry(const char *filename, | |
6543becf | 431 | void *symval, char *alias) |
1da177e4 LT |
432 | { |
433 | /* Class field can be divided into these three. */ | |
434 | unsigned char baseclass, subclass, interface, | |
435 | baseclass_mask, subclass_mask, interface_mask; | |
436 | ||
6543becf AS |
437 | DEF_FIELD(symval, pci_device_id, vendor); |
438 | DEF_FIELD(symval, pci_device_id, device); | |
439 | DEF_FIELD(symval, pci_device_id, subvendor); | |
440 | DEF_FIELD(symval, pci_device_id, subdevice); | |
441 | DEF_FIELD(symval, pci_device_id, class); | |
442 | DEF_FIELD(symval, pci_device_id, class_mask); | |
1da177e4 LT |
443 | |
444 | strcpy(alias, "pci:"); | |
6543becf AS |
445 | ADD(alias, "v", vendor != PCI_ANY_ID, vendor); |
446 | ADD(alias, "d", device != PCI_ANY_ID, device); | |
447 | ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor); | |
448 | ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice); | |
449 | ||
450 | baseclass = (class) >> 16; | |
451 | baseclass_mask = (class_mask) >> 16; | |
452 | subclass = (class) >> 8; | |
453 | subclass_mask = (class_mask) >> 8; | |
454 | interface = class; | |
455 | interface_mask = class_mask; | |
1da177e4 LT |
456 | |
457 | if ((baseclass_mask != 0 && baseclass_mask != 0xFF) | |
458 | || (subclass_mask != 0 && subclass_mask != 0xFF) | |
459 | || (interface_mask != 0 && interface_mask != 0xFF)) { | |
cb80514d | 460 | warn("Can't handle masks in %s:%04X\n", |
6543becf | 461 | filename, class_mask); |
1da177e4 LT |
462 | return 0; |
463 | } | |
464 | ||
465 | ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); | |
466 | ADD(alias, "sc", subclass_mask == 0xFF, subclass); | |
467 | ADD(alias, "i", interface_mask == 0xFF, interface); | |
ac551828 | 468 | add_wildcard(alias); |
1da177e4 LT |
469 | return 1; |
470 | } | |
471 | ||
62070fa4 | 472 | /* looks like: "ccw:tNmNdtNdmN" */ |
1da177e4 | 473 | static int do_ccw_entry(const char *filename, |
6543becf | 474 | void *symval, char *alias) |
1da177e4 | 475 | { |
6543becf AS |
476 | DEF_FIELD(symval, ccw_device_id, match_flags); |
477 | DEF_FIELD(symval, ccw_device_id, cu_type); | |
478 | DEF_FIELD(symval, ccw_device_id, cu_model); | |
479 | DEF_FIELD(symval, ccw_device_id, dev_type); | |
480 | DEF_FIELD(symval, ccw_device_id, dev_model); | |
1da177e4 LT |
481 | |
482 | strcpy(alias, "ccw:"); | |
6543becf AS |
483 | ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, |
484 | cu_type); | |
485 | ADD(alias, "m", match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, | |
486 | cu_model); | |
487 | ADD(alias, "dt", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, | |
488 | dev_type); | |
489 | ADD(alias, "dm", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, | |
490 | dev_model); | |
ac551828 | 491 | add_wildcard(alias); |
1da177e4 LT |
492 | return 1; |
493 | } | |
494 | ||
1534c382 MS |
495 | /* looks like: "ap:tN" */ |
496 | static int do_ap_entry(const char *filename, | |
6543becf | 497 | void *symval, char *alias) |
1534c382 | 498 | { |
6543becf AS |
499 | DEF_FIELD(symval, ap_device_id, dev_type); |
500 | ||
501 | sprintf(alias, "ap:t%02X*", dev_type); | |
1534c382 MS |
502 | return 1; |
503 | } | |
504 | ||
7e9db9ea CH |
505 | /* looks like: "css:tN" */ |
506 | static int do_css_entry(const char *filename, | |
6543becf | 507 | void *symval, char *alias) |
7e9db9ea | 508 | { |
6543becf AS |
509 | DEF_FIELD(symval, css_device_id, type); |
510 | ||
511 | sprintf(alias, "css:t%01X", type); | |
7e9db9ea CH |
512 | return 1; |
513 | } | |
514 | ||
1da177e4 LT |
515 | /* Looks like: "serio:tyNprNidNexN" */ |
516 | static int do_serio_entry(const char *filename, | |
6543becf | 517 | void *symval, char *alias) |
1da177e4 | 518 | { |
6543becf AS |
519 | DEF_FIELD(symval, serio_device_id, type); |
520 | DEF_FIELD(symval, serio_device_id, proto); | |
521 | DEF_FIELD(symval, serio_device_id, id); | |
522 | DEF_FIELD(symval, serio_device_id, extra); | |
1da177e4 LT |
523 | |
524 | strcpy(alias, "serio:"); | |
6543becf AS |
525 | ADD(alias, "ty", type != SERIO_ANY, type); |
526 | ADD(alias, "pr", proto != SERIO_ANY, proto); | |
527 | ADD(alias, "id", id != SERIO_ANY, id); | |
528 | ADD(alias, "ex", extra != SERIO_ANY, extra); | |
1da177e4 | 529 | |
ac551828 | 530 | add_wildcard(alias); |
1da177e4 LT |
531 | return 1; |
532 | } | |
533 | ||
26095a01 SS |
534 | /* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or |
535 | * "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if) | |
536 | * | |
537 | * NOTE: Each driver should use one of the following : _HID, _CIDs | |
538 | * or _CLS. Also, bb, ss, and pp can be substituted with ?? | |
539 | * as don't care byte. | |
540 | */ | |
29b71a1c | 541 | static int do_acpi_entry(const char *filename, |
6543becf | 542 | void *symval, char *alias) |
29b71a1c | 543 | { |
6543becf | 544 | DEF_FIELD_ADDR(symval, acpi_device_id, id); |
26095a01 SS |
545 | DEF_FIELD_ADDR(symval, acpi_device_id, cls); |
546 | DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk); | |
547 | ||
548 | if (id && strlen((const char *)*id)) | |
549 | sprintf(alias, "acpi*:%s:*", *id); | |
550 | else if (cls) { | |
551 | int i, byte_shift, cnt = 0; | |
552 | unsigned int msk; | |
553 | ||
554 | sprintf(&alias[cnt], "acpi*:"); | |
555 | cnt = 6; | |
556 | for (i = 1; i <= 3; i++) { | |
557 | byte_shift = 8 * (3-i); | |
558 | msk = (*cls_msk >> byte_shift) & 0xFF; | |
559 | if (msk) | |
560 | sprintf(&alias[cnt], "%02x", | |
561 | (*cls >> byte_shift) & 0xFF); | |
562 | else | |
563 | sprintf(&alias[cnt], "??"); | |
564 | cnt += 2; | |
565 | } | |
566 | sprintf(&alias[cnt], ":*"); | |
567 | } | |
29b71a1c TR |
568 | return 1; |
569 | } | |
570 | ||
1da177e4 | 571 | /* looks like: "pnp:dD" */ |
22454cb9 KS |
572 | static void do_pnp_device_entry(void *symval, unsigned long size, |
573 | struct module *mod) | |
1da177e4 | 574 | { |
6543becf | 575 | const unsigned long id_size = SIZE_pnp_device_id; |
5e4c6564 | 576 | const unsigned int count = (size / id_size)-1; |
5e4c6564 | 577 | unsigned int i; |
22454cb9 KS |
578 | |
579 | device_id_check(mod->name, "pnp", size, id_size, symval); | |
580 | ||
5e4c6564 | 581 | for (i = 0; i < count; i++) { |
6543becf AS |
582 | DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); |
583 | char acpi_id[sizeof(*id)]; | |
72638f59 | 584 | int j; |
5e4c6564 KS |
585 | |
586 | buf_printf(&mod->dev_table_buf, | |
6543becf | 587 | "MODULE_ALIAS(\"pnp:d%s*\");\n", *id); |
72638f59 KS |
588 | |
589 | /* fix broken pnp bus lowercasing */ | |
590 | for (j = 0; j < sizeof(acpi_id); j++) | |
6543becf | 591 | acpi_id[j] = toupper((*id)[j]); |
5e4c6564 | 592 | buf_printf(&mod->dev_table_buf, |
72638f59 | 593 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
5e4c6564 | 594 | } |
1da177e4 LT |
595 | } |
596 | ||
0c81eed4 KS |
597 | /* looks like: "pnp:dD" for every device of the card */ |
598 | static void do_pnp_card_entries(void *symval, unsigned long size, | |
599 | struct module *mod) | |
1da177e4 | 600 | { |
6543becf | 601 | const unsigned long id_size = SIZE_pnp_card_device_id; |
0c81eed4 | 602 | const unsigned int count = (size / id_size)-1; |
0c81eed4 | 603 | unsigned int i; |
1da177e4 | 604 | |
0c81eed4 KS |
605 | device_id_check(mod->name, "pnp", size, id_size, symval); |
606 | ||
607 | for (i = 0; i < count; i++) { | |
608 | unsigned int j; | |
c2b1a922 | 609 | DEF_FIELD_ADDR(symval + i * id_size, pnp_card_device_id, devs); |
0c81eed4 KS |
610 | |
611 | for (j = 0; j < PNP_MAX_DEVICES; j++) { | |
6543becf | 612 | const char *id = (char *)(*devs)[j].id; |
0c81eed4 KS |
613 | int i2, j2; |
614 | int dup = 0; | |
615 | ||
616 | if (!id[0]) | |
617 | break; | |
618 | ||
619 | /* find duplicate, already added value */ | |
620 | for (i2 = 0; i2 < i && !dup; i2++) { | |
c2b1a922 LB |
621 | DEF_FIELD_ADDR_VAR(symval + i2 * id_size, |
622 | pnp_card_device_id, | |
623 | devs, devs_dup); | |
0c81eed4 KS |
624 | |
625 | for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { | |
c2b1a922 LB |
626 | const char *id2 = |
627 | (char *)(*devs_dup)[j2].id; | |
0c81eed4 KS |
628 | |
629 | if (!id2[0]) | |
630 | break; | |
631 | ||
632 | if (!strcmp(id, id2)) { | |
633 | dup = 1; | |
634 | break; | |
635 | } | |
636 | } | |
637 | } | |
638 | ||
639 | /* add an individual alias for every device entry */ | |
22454cb9 | 640 | if (!dup) { |
6543becf | 641 | char acpi_id[PNP_ID_LEN]; |
72638f59 KS |
642 | int k; |
643 | ||
0c81eed4 KS |
644 | buf_printf(&mod->dev_table_buf, |
645 | "MODULE_ALIAS(\"pnp:d%s*\");\n", id); | |
72638f59 KS |
646 | |
647 | /* fix broken pnp bus lowercasing */ | |
648 | for (k = 0; k < sizeof(acpi_id); k++) | |
649 | acpi_id[k] = toupper(id[k]); | |
22454cb9 | 650 | buf_printf(&mod->dev_table_buf, |
72638f59 | 651 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
22454cb9 | 652 | } |
0c81eed4 | 653 | } |
1da177e4 | 654 | } |
1da177e4 LT |
655 | } |
656 | ||
90829cfe DB |
657 | /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ |
658 | static int do_pcmcia_entry(const char *filename, | |
6543becf | 659 | void *symval, char *alias) |
90829cfe DB |
660 | { |
661 | unsigned int i; | |
6543becf AS |
662 | DEF_FIELD(symval, pcmcia_device_id, match_flags); |
663 | DEF_FIELD(symval, pcmcia_device_id, manf_id); | |
664 | DEF_FIELD(symval, pcmcia_device_id, card_id); | |
665 | DEF_FIELD(symval, pcmcia_device_id, func_id); | |
666 | DEF_FIELD(symval, pcmcia_device_id, function); | |
667 | DEF_FIELD(symval, pcmcia_device_id, device_no); | |
668 | DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash); | |
4fb7edce | 669 | |
90829cfe | 670 | for (i=0; i<4; i++) { |
6543becf AS |
671 | (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]); |
672 | } | |
673 | ||
674 | strcpy(alias, "pcmcia:"); | |
675 | ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, | |
676 | manf_id); | |
677 | ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, | |
678 | card_id); | |
679 | ADD(alias, "f", match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, | |
680 | func_id); | |
681 | ADD(alias, "fn", match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, | |
682 | function); | |
683 | ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, | |
684 | device_no); | |
685 | ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]); | |
686 | ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]); | |
687 | ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]); | |
688 | ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]); | |
90829cfe | 689 | |
ac551828 | 690 | add_wildcard(alias); |
6543becf | 691 | return 1; |
90829cfe | 692 | } |
90829cfe | 693 | |
6543becf | 694 | static int do_vio_entry(const char *filename, void *symval, |
fb120da6 SR |
695 | char *alias) |
696 | { | |
697 | char *tmp; | |
6543becf AS |
698 | DEF_FIELD_ADDR(symval, vio_device_id, type); |
699 | DEF_FIELD_ADDR(symval, vio_device_id, compat); | |
fb120da6 | 700 | |
6543becf AS |
701 | sprintf(alias, "vio:T%sS%s", (*type)[0] ? *type : "*", |
702 | (*compat)[0] ? *compat : "*"); | |
fb120da6 SR |
703 | |
704 | /* Replace all whitespace with underscores */ | |
705 | for (tmp = alias; tmp && *tmp; tmp++) | |
706 | if (isspace (*tmp)) | |
707 | *tmp = '_'; | |
708 | ||
ac551828 | 709 | add_wildcard(alias); |
fb120da6 SR |
710 | return 1; |
711 | } | |
712 | ||
1d8f430c RR |
713 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
714 | ||
715 | static void do_input(char *alias, | |
716 | kernel_ulong_t *arr, unsigned int min, unsigned int max) | |
717 | { | |
718 | unsigned int i; | |
ddc5d341 | 719 | |
6543becf AS |
720 | for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++) |
721 | arr[i] = TO_NATIVE(arr[i]); | |
ddc5d341 | 722 | for (i = min; i < max; i++) |
e0e92632 | 723 | if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) |
ddc5d341 | 724 | sprintf(alias + strlen(alias), "%X,*", i); |
1d8f430c RR |
725 | } |
726 | ||
09c3e01b | 727 | /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ |
6543becf | 728 | static int do_input_entry(const char *filename, void *symval, |
1d8f430c RR |
729 | char *alias) |
730 | { | |
6543becf AS |
731 | DEF_FIELD(symval, input_device_id, flags); |
732 | DEF_FIELD(symval, input_device_id, bustype); | |
733 | DEF_FIELD(symval, input_device_id, vendor); | |
734 | DEF_FIELD(symval, input_device_id, product); | |
735 | DEF_FIELD(symval, input_device_id, version); | |
736 | DEF_FIELD_ADDR(symval, input_device_id, evbit); | |
737 | DEF_FIELD_ADDR(symval, input_device_id, keybit); | |
738 | DEF_FIELD_ADDR(symval, input_device_id, relbit); | |
739 | DEF_FIELD_ADDR(symval, input_device_id, absbit); | |
740 | DEF_FIELD_ADDR(symval, input_device_id, mscbit); | |
741 | DEF_FIELD_ADDR(symval, input_device_id, ledbit); | |
742 | DEF_FIELD_ADDR(symval, input_device_id, sndbit); | |
743 | DEF_FIELD_ADDR(symval, input_device_id, ffbit); | |
744 | DEF_FIELD_ADDR(symval, input_device_id, swbit); | |
745 | ||
1d8f430c RR |
746 | sprintf(alias, "input:"); |
747 | ||
6543becf AS |
748 | ADD(alias, "b", flags & INPUT_DEVICE_ID_MATCH_BUS, bustype); |
749 | ADD(alias, "v", flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor); | |
750 | ADD(alias, "p", flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product); | |
751 | ADD(alias, "e", flags & INPUT_DEVICE_ID_MATCH_VERSION, version); | |
1d8f430c RR |
752 | |
753 | sprintf(alias + strlen(alias), "-e*"); | |
6543becf AS |
754 | if (flags & INPUT_DEVICE_ID_MATCH_EVBIT) |
755 | do_input(alias, *evbit, 0, INPUT_DEVICE_ID_EV_MAX); | |
1d8f430c | 756 | sprintf(alias + strlen(alias), "k*"); |
6543becf AS |
757 | if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT) |
758 | do_input(alias, *keybit, | |
dc24f0e7 SR |
759 | INPUT_DEVICE_ID_KEY_MIN_INTERESTING, |
760 | INPUT_DEVICE_ID_KEY_MAX); | |
1d8f430c | 761 | sprintf(alias + strlen(alias), "r*"); |
6543becf AS |
762 | if (flags & INPUT_DEVICE_ID_MATCH_RELBIT) |
763 | do_input(alias, *relbit, 0, INPUT_DEVICE_ID_REL_MAX); | |
1d8f430c | 764 | sprintf(alias + strlen(alias), "a*"); |
6543becf AS |
765 | if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT) |
766 | do_input(alias, *absbit, 0, INPUT_DEVICE_ID_ABS_MAX); | |
1d8f430c | 767 | sprintf(alias + strlen(alias), "m*"); |
6543becf AS |
768 | if (flags & INPUT_DEVICE_ID_MATCH_MSCIT) |
769 | do_input(alias, *mscbit, 0, INPUT_DEVICE_ID_MSC_MAX); | |
1d8f430c | 770 | sprintf(alias + strlen(alias), "l*"); |
6543becf AS |
771 | if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT) |
772 | do_input(alias, *ledbit, 0, INPUT_DEVICE_ID_LED_MAX); | |
1d8f430c | 773 | sprintf(alias + strlen(alias), "s*"); |
6543becf AS |
774 | if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT) |
775 | do_input(alias, *sndbit, 0, INPUT_DEVICE_ID_SND_MAX); | |
1d8f430c | 776 | sprintf(alias + strlen(alias), "f*"); |
6543becf AS |
777 | if (flags & INPUT_DEVICE_ID_MATCH_FFBIT) |
778 | do_input(alias, *ffbit, 0, INPUT_DEVICE_ID_FF_MAX); | |
1d8f430c | 779 | sprintf(alias + strlen(alias), "w*"); |
6543becf AS |
780 | if (flags & INPUT_DEVICE_ID_MATCH_SWBIT) |
781 | do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX); | |
1d8f430c RR |
782 | return 1; |
783 | } | |
784 | ||
6543becf | 785 | static int do_eisa_entry(const char *filename, void *symval, |
07563c71 MT |
786 | char *alias) |
787 | { | |
6543becf AS |
788 | DEF_FIELD_ADDR(symval, eisa_device_id, sig); |
789 | if (sig[0]) | |
790 | sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", *sig); | |
ac551828 JD |
791 | else |
792 | strcat(alias, "*"); | |
07563c71 MT |
793 | return 1; |
794 | } | |
795 | ||
f3cf2673 | 796 | /* Looks like: parisc:tNhvNrevNsvN */ |
6543becf | 797 | static int do_parisc_entry(const char *filename, void *symval, |
f3cf2673 KM |
798 | char *alias) |
799 | { | |
6543becf AS |
800 | DEF_FIELD(symval, parisc_device_id, hw_type); |
801 | DEF_FIELD(symval, parisc_device_id, hversion); | |
802 | DEF_FIELD(symval, parisc_device_id, hversion_rev); | |
803 | DEF_FIELD(symval, parisc_device_id, sversion); | |
f3cf2673 KM |
804 | |
805 | strcpy(alias, "parisc:"); | |
6543becf AS |
806 | ADD(alias, "t", hw_type != PA_HWTYPE_ANY_ID, hw_type); |
807 | ADD(alias, "hv", hversion != PA_HVERSION_ANY_ID, hversion); | |
808 | ADD(alias, "rev", hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev); | |
809 | ADD(alias, "sv", sversion != PA_SVERSION_ANY_ID, sversion); | |
f3cf2673 | 810 | |
ac551828 | 811 | add_wildcard(alias); |
f3cf2673 KM |
812 | return 1; |
813 | } | |
814 | ||
d59b66c7 PO |
815 | /* Looks like: sdio:cNvNdN. */ |
816 | static int do_sdio_entry(const char *filename, | |
6543becf | 817 | void *symval, char *alias) |
d59b66c7 | 818 | { |
6543becf AS |
819 | DEF_FIELD(symval, sdio_device_id, class); |
820 | DEF_FIELD(symval, sdio_device_id, vendor); | |
821 | DEF_FIELD(symval, sdio_device_id, device); | |
d59b66c7 PO |
822 | |
823 | strcpy(alias, "sdio:"); | |
6543becf AS |
824 | ADD(alias, "c", class != (__u8)SDIO_ANY_ID, class); |
825 | ADD(alias, "v", vendor != (__u16)SDIO_ANY_ID, vendor); | |
826 | ADD(alias, "d", device != (__u16)SDIO_ANY_ID, device); | |
ac551828 | 827 | add_wildcard(alias); |
038a5008 LT |
828 | return 1; |
829 | } | |
830 | ||
61e115a5 MB |
831 | /* Looks like: ssb:vNidNrevN. */ |
832 | static int do_ssb_entry(const char *filename, | |
6543becf | 833 | void *symval, char *alias) |
61e115a5 | 834 | { |
6543becf AS |
835 | DEF_FIELD(symval, ssb_device_id, vendor); |
836 | DEF_FIELD(symval, ssb_device_id, coreid); | |
837 | DEF_FIELD(symval, ssb_device_id, revision); | |
d59b66c7 | 838 | |
61e115a5 | 839 | strcpy(alias, "ssb:"); |
6543becf AS |
840 | ADD(alias, "v", vendor != SSB_ANY_VENDOR, vendor); |
841 | ADD(alias, "id", coreid != SSB_ANY_ID, coreid); | |
842 | ADD(alias, "rev", revision != SSB_ANY_REV, revision); | |
ac551828 | 843 | add_wildcard(alias); |
d59b66c7 PO |
844 | return 1; |
845 | } | |
846 | ||
8369ae33 RM |
847 | /* Looks like: bcma:mNidNrevNclN. */ |
848 | static int do_bcma_entry(const char *filename, | |
6543becf | 849 | void *symval, char *alias) |
8369ae33 | 850 | { |
6543becf AS |
851 | DEF_FIELD(symval, bcma_device_id, manuf); |
852 | DEF_FIELD(symval, bcma_device_id, id); | |
853 | DEF_FIELD(symval, bcma_device_id, rev); | |
854 | DEF_FIELD(symval, bcma_device_id, class); | |
8369ae33 RM |
855 | |
856 | strcpy(alias, "bcma:"); | |
6543becf AS |
857 | ADD(alias, "m", manuf != BCMA_ANY_MANUF, manuf); |
858 | ADD(alias, "id", id != BCMA_ANY_ID, id); | |
859 | ADD(alias, "rev", rev != BCMA_ANY_REV, rev); | |
860 | ADD(alias, "cl", class != BCMA_ANY_CLASS, class); | |
8369ae33 RM |
861 | add_wildcard(alias); |
862 | return 1; | |
863 | } | |
864 | ||
b01d9f28 | 865 | /* Looks like: virtio:dNvN */ |
6543becf | 866 | static int do_virtio_entry(const char *filename, void *symval, |
b01d9f28 RR |
867 | char *alias) |
868 | { | |
6543becf AS |
869 | DEF_FIELD(symval, virtio_device_id, device); |
870 | DEF_FIELD(symval, virtio_device_id, vendor); | |
b01d9f28 RR |
871 | |
872 | strcpy(alias, "virtio:"); | |
6543becf AS |
873 | ADD(alias, "d", device != VIRTIO_DEV_ANY_ID, device); |
874 | ADD(alias, "v", vendor != VIRTIO_DEV_ANY_ID, vendor); | |
b01d9f28 | 875 | |
ac551828 | 876 | add_wildcard(alias); |
b01d9f28 RR |
877 | return 1; |
878 | } | |
879 | ||
d2ee52aa S |
880 | /* |
881 | * Looks like: vmbus:guid | |
882 | * Each byte of the guid will be represented by two hex characters | |
883 | * in the name. | |
884 | */ | |
885 | ||
6543becf | 886 | static int do_vmbus_entry(const char *filename, void *symval, |
d2ee52aa S |
887 | char *alias) |
888 | { | |
889 | int i; | |
6543becf AS |
890 | DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid); |
891 | char guid_name[(sizeof(*guid) + 1) * 2]; | |
d2ee52aa | 892 | |
6543becf | 893 | for (i = 0; i < (sizeof(*guid) * 2); i += 2) |
af3ff643 | 894 | sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2])); |
d2ee52aa S |
895 | |
896 | strcpy(alias, "vmbus:"); | |
897 | strcat(alias, guid_name); | |
898 | ||
899 | return 1; | |
900 | } | |
901 | ||
5b7d1277 AD |
902 | /* Looks like: rpmsg:S */ |
903 | static int do_rpmsg_entry(const char *filename, void *symval, | |
904 | char *alias) | |
905 | { | |
906 | DEF_FIELD_ADDR(symval, rpmsg_device_id, name); | |
907 | sprintf(alias, RPMSG_DEVICE_MODALIAS_FMT, *name); | |
908 | ||
909 | return 1; | |
910 | } | |
5b7d1277 | 911 | |
d2653e92 | 912 | /* Looks like: i2c:S */ |
6543becf | 913 | static int do_i2c_entry(const char *filename, void *symval, |
d2653e92 JD |
914 | char *alias) |
915 | { | |
6543becf AS |
916 | DEF_FIELD_ADDR(symval, i2c_device_id, name); |
917 | sprintf(alias, I2C_MODULE_PREFIX "%s", *name); | |
d2653e92 JD |
918 | |
919 | return 1; | |
920 | } | |
921 | ||
1ce589ad BB |
922 | static int do_i3c_entry(const char *filename, void *symval, |
923 | char *alias) | |
924 | { | |
925 | DEF_FIELD(symval, i3c_device_id, match_flags); | |
926 | DEF_FIELD(symval, i3c_device_id, dcr); | |
927 | DEF_FIELD(symval, i3c_device_id, manuf_id); | |
928 | DEF_FIELD(symval, i3c_device_id, part_id); | |
929 | DEF_FIELD(symval, i3c_device_id, extra_info); | |
930 | ||
931 | strcpy(alias, "i3c:"); | |
932 | ADD(alias, "dcr", match_flags & I3C_MATCH_DCR, dcr); | |
933 | ADD(alias, "manuf", match_flags & I3C_MATCH_MANUF, manuf_id); | |
934 | ADD(alias, "part", match_flags & I3C_MATCH_PART, part_id); | |
935 | ADD(alias, "ext", match_flags & I3C_MATCH_EXTRA_INFO, extra_info); | |
936 | ||
937 | return 1; | |
938 | } | |
939 | ||
e0626e38 | 940 | /* Looks like: spi:S */ |
6543becf | 941 | static int do_spi_entry(const char *filename, void *symval, |
75368bf6 AV |
942 | char *alias) |
943 | { | |
6543becf AS |
944 | DEF_FIELD_ADDR(symval, spi_device_id, name); |
945 | sprintf(alias, SPI_MODULE_PREFIX "%s", *name); | |
75368bf6 AV |
946 | |
947 | return 1; | |
948 | } | |
949 | ||
d945b697 DW |
950 | static const struct dmifield { |
951 | const char *prefix; | |
952 | int field; | |
953 | } dmi_fields[] = { | |
954 | { "bvn", DMI_BIOS_VENDOR }, | |
955 | { "bvr", DMI_BIOS_VERSION }, | |
956 | { "bd", DMI_BIOS_DATE }, | |
957 | { "svn", DMI_SYS_VENDOR }, | |
958 | { "pn", DMI_PRODUCT_NAME }, | |
959 | { "pvr", DMI_PRODUCT_VERSION }, | |
960 | { "rvn", DMI_BOARD_VENDOR }, | |
961 | { "rn", DMI_BOARD_NAME }, | |
962 | { "rvr", DMI_BOARD_VERSION }, | |
963 | { "cvn", DMI_CHASSIS_VENDOR }, | |
964 | { "ct", DMI_CHASSIS_TYPE }, | |
965 | { "cvr", DMI_CHASSIS_VERSION }, | |
966 | { NULL, DMI_NONE } | |
967 | }; | |
968 | ||
969 | static void dmi_ascii_filter(char *d, const char *s) | |
970 | { | |
971 | /* Filter out characters we don't want to see in the modalias string */ | |
972 | for (; *s; s++) | |
973 | if (*s > ' ' && *s < 127 && *s != ':') | |
974 | *(d++) = *s; | |
975 | ||
976 | *d = 0; | |
977 | } | |
978 | ||
979 | ||
6543becf | 980 | static int do_dmi_entry(const char *filename, void *symval, |
d945b697 DW |
981 | char *alias) |
982 | { | |
983 | int i, j; | |
6543becf | 984 | DEF_FIELD_ADDR(symval, dmi_system_id, matches); |
d945b697 DW |
985 | sprintf(alias, "dmi*"); |
986 | ||
987 | for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { | |
988 | for (j = 0; j < 4; j++) { | |
6543becf AS |
989 | if ((*matches)[j].slot && |
990 | (*matches)[j].slot == dmi_fields[i].field) { | |
d945b697 DW |
991 | sprintf(alias + strlen(alias), ":%s*", |
992 | dmi_fields[i].prefix); | |
993 | dmi_ascii_filter(alias + strlen(alias), | |
6543becf | 994 | (*matches)[j].substr); |
d945b697 DW |
995 | strcat(alias, "*"); |
996 | } | |
997 | } | |
998 | } | |
999 | ||
1000 | strcat(alias, ":"); | |
1001 | return 1; | |
1002 | } | |
57fee4a5 EM |
1003 | |
1004 | static int do_platform_entry(const char *filename, | |
6543becf | 1005 | void *symval, char *alias) |
57fee4a5 | 1006 | { |
6543becf AS |
1007 | DEF_FIELD_ADDR(symval, platform_device_id, name); |
1008 | sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name); | |
57fee4a5 EM |
1009 | return 1; |
1010 | } | |
1011 | ||
8626d3b4 | 1012 | static int do_mdio_entry(const char *filename, |
6543becf | 1013 | void *symval, char *alias) |
8626d3b4 DW |
1014 | { |
1015 | int i; | |
6543becf AS |
1016 | DEF_FIELD(symval, mdio_device_id, phy_id); |
1017 | DEF_FIELD(symval, mdio_device_id, phy_id_mask); | |
8626d3b4 DW |
1018 | |
1019 | alias += sprintf(alias, MDIO_MODULE_PREFIX); | |
1020 | ||
1021 | for (i = 0; i < 32; i++) { | |
6543becf | 1022 | if (!((phy_id_mask >> (31-i)) & 1)) |
8626d3b4 | 1023 | *(alias++) = '?'; |
6543becf | 1024 | else if ((phy_id >> (31-i)) & 1) |
8626d3b4 DW |
1025 | *(alias++) = '1'; |
1026 | else | |
1027 | *(alias++) = '0'; | |
1028 | } | |
1029 | ||
1030 | /* Terminate the string */ | |
1031 | *alias = 0; | |
1032 | ||
1033 | return 1; | |
1034 | } | |
1035 | ||
bf54a2b3 | 1036 | /* Looks like: zorro:iN. */ |
6543becf | 1037 | static int do_zorro_entry(const char *filename, void *symval, |
bf54a2b3 GU |
1038 | char *alias) |
1039 | { | |
6543becf | 1040 | DEF_FIELD(symval, zorro_device_id, id); |
bf54a2b3 | 1041 | strcpy(alias, "zorro:"); |
6543becf | 1042 | ADD(alias, "i", id != ZORRO_WILDCARD, id); |
bf54a2b3 GU |
1043 | return 1; |
1044 | } | |
1045 | ||
fedb3d27 OZ |
1046 | /* looks like: "pnp:dD" */ |
1047 | static int do_isapnp_entry(const char *filename, | |
6543becf | 1048 | void *symval, char *alias) |
fedb3d27 | 1049 | { |
6543becf AS |
1050 | DEF_FIELD(symval, isapnp_device_id, vendor); |
1051 | DEF_FIELD(symval, isapnp_device_id, function); | |
fedb3d27 | 1052 | sprintf(alias, "pnp:d%c%c%c%x%x%x%x*", |
6543becf AS |
1053 | 'A' + ((vendor >> 2) & 0x3f) - 1, |
1054 | 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, | |
1055 | 'A' + ((vendor >> 8) & 0x1f) - 1, | |
1056 | (function >> 4) & 0x0f, function & 0x0f, | |
1057 | (function >> 12) & 0x0f, (function >> 8) & 0x0f); | |
fedb3d27 OZ |
1058 | return 1; |
1059 | } | |
1060 | ||
849e0ad2 JT |
1061 | /* Looks like: "ipack:fNvNdN". */ |
1062 | static int do_ipack_entry(const char *filename, | |
6543becf | 1063 | void *symval, char *alias) |
849e0ad2 | 1064 | { |
6543becf AS |
1065 | DEF_FIELD(symval, ipack_device_id, format); |
1066 | DEF_FIELD(symval, ipack_device_id, vendor); | |
1067 | DEF_FIELD(symval, ipack_device_id, device); | |
849e0ad2 | 1068 | strcpy(alias, "ipack:"); |
6543becf AS |
1069 | ADD(alias, "f", format != IPACK_ANY_FORMAT, format); |
1070 | ADD(alias, "v", vendor != IPACK_ANY_ID, vendor); | |
1071 | ADD(alias, "d", device != IPACK_ANY_ID, device); | |
849e0ad2 JT |
1072 | add_wildcard(alias); |
1073 | return 1; | |
1074 | } | |
849e0ad2 | 1075 | |
523817bd DM |
1076 | /* |
1077 | * Append a match expression for a single masked hex digit. | |
1078 | * outp points to a pointer to the character at which to append. | |
1079 | * *outp is updated on return to point just after the appended text, | |
1080 | * to facilitate further appending. | |
1081 | */ | |
1082 | static void append_nibble_mask(char **outp, | |
1083 | unsigned int nibble, unsigned int mask) | |
1084 | { | |
1085 | char *p = *outp; | |
1086 | unsigned int i; | |
1087 | ||
1088 | switch (mask) { | |
1089 | case 0: | |
1090 | *p++ = '?'; | |
1091 | break; | |
1092 | ||
1093 | case 0xf: | |
1094 | p += sprintf(p, "%X", nibble); | |
1095 | break; | |
1096 | ||
1097 | default: | |
1098 | /* | |
1099 | * Dumbly emit a match pattern for all possible matching | |
1100 | * digits. This could be improved in some cases using ranges, | |
1101 | * but it has the advantage of being trivially correct, and is | |
1102 | * often optimal. | |
1103 | */ | |
1104 | *p++ = '['; | |
1105 | for (i = 0; i < 0x10; i++) | |
1106 | if ((i & mask) == nibble) | |
1107 | p += sprintf(p, "%X", i); | |
1108 | *p++ = ']'; | |
1109 | } | |
1110 | ||
1111 | /* Ensure that the string remains NUL-terminated: */ | |
1112 | *p = '\0'; | |
1113 | ||
1114 | /* Advance the caller's end-of-string pointer: */ | |
1115 | *outp = p; | |
1116 | } | |
1117 | ||
1118 | /* | |
1119 | * looks like: "amba:dN" | |
1120 | * | |
1121 | * N is exactly 8 digits, where each is an upper-case hex digit, or | |
1122 | * a ? or [] pattern matching exactly one digit. | |
1123 | */ | |
1124 | static int do_amba_entry(const char *filename, | |
6543becf | 1125 | void *symval, char *alias) |
523817bd DM |
1126 | { |
1127 | unsigned int digit; | |
1128 | char *p = alias; | |
6543becf AS |
1129 | DEF_FIELD(symval, amba_id, id); |
1130 | DEF_FIELD(symval, amba_id, mask); | |
523817bd | 1131 | |
6543becf | 1132 | if ((id & mask) != id) |
523817bd DM |
1133 | fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " |
1134 | "id=0x%08X, mask=0x%08X. Please fix this driver.\n", | |
6543becf | 1135 | filename, id, mask); |
523817bd DM |
1136 | |
1137 | p += sprintf(alias, "amba:d"); | |
1138 | for (digit = 0; digit < 8; digit++) | |
1139 | append_nibble_mask(&p, | |
6543becf AS |
1140 | (id >> (4 * (7 - digit))) & 0xf, |
1141 | (mask >> (4 * (7 - digit))) & 0xf); | |
523817bd DM |
1142 | |
1143 | return 1; | |
1144 | } | |
1145 | ||
8286ae03 JH |
1146 | /* |
1147 | * looks like: "mipscdmm:tN" | |
1148 | * | |
1149 | * N is exactly 2 digits, where each is an upper-case hex digit, or | |
1150 | * a ? or [] pattern matching exactly one digit. | |
1151 | */ | |
1152 | static int do_mips_cdmm_entry(const char *filename, | |
1153 | void *symval, char *alias) | |
1154 | { | |
1155 | DEF_FIELD(symval, mips_cdmm_device_id, type); | |
1156 | ||
1157 | sprintf(alias, "mipscdmm:t%02X*", type); | |
1158 | return 1; | |
1159 | } | |
8286ae03 | 1160 | |
2b9c1f03 | 1161 | /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,* |
644e9cbb AK |
1162 | * All fields are numbers. It would be nicer to use strings for vendor |
1163 | * and feature, but getting those out of the build system here is too | |
1164 | * complicated. | |
1165 | */ | |
1166 | ||
6543becf | 1167 | static int do_x86cpu_entry(const char *filename, void *symval, |
644e9cbb AK |
1168 | char *alias) |
1169 | { | |
6543becf AS |
1170 | DEF_FIELD(symval, x86_cpu_id, feature); |
1171 | DEF_FIELD(symval, x86_cpu_id, family); | |
1172 | DEF_FIELD(symval, x86_cpu_id, model); | |
1173 | DEF_FIELD(symval, x86_cpu_id, vendor); | |
644e9cbb | 1174 | |
2b9c1f03 AB |
1175 | strcpy(alias, "cpu:type:x86,"); |
1176 | ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor); | |
1177 | ADD(alias, "fam", family != X86_FAMILY_ANY, family); | |
1178 | ADD(alias, "mod", model != X86_MODEL_ANY, model); | |
5467bdda | 1179 | strcat(alias, ":feature:*"); |
6543becf AS |
1180 | if (feature != X86_FEATURE_ANY) |
1181 | sprintf(alias + strlen(alias), "%04X*", feature); | |
644e9cbb AK |
1182 | return 1; |
1183 | } | |
644e9cbb | 1184 | |
67bad2fd AB |
1185 | /* LOOKS like cpu:type:*:feature:*FEAT* */ |
1186 | static int do_cpu_entry(const char *filename, void *symval, char *alias) | |
1187 | { | |
1188 | DEF_FIELD(symval, cpu_feature, feature); | |
1189 | ||
1190 | sprintf(alias, "cpu:type:*:feature:*%04X*", feature); | |
1191 | return 1; | |
1192 | } | |
67bad2fd | 1193 | |
b26864ca | 1194 | /* Looks like: mei:S:uuid:N:* */ |
e5354107 SO |
1195 | static int do_mei_entry(const char *filename, void *symval, |
1196 | char *alias) | |
1197 | { | |
1198 | DEF_FIELD_ADDR(symval, mei_cl_device_id, name); | |
c93b76b3 | 1199 | DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid); |
b26864ca | 1200 | DEF_FIELD(symval, mei_cl_device_id, version); |
c93b76b3 TW |
1201 | |
1202 | sprintf(alias, MEI_CL_MODULE_PREFIX); | |
1203 | sprintf(alias + strlen(alias), "%s:", (*name)[0] ? *name : "*"); | |
1204 | add_uuid(alias, *uuid); | |
b26864ca | 1205 | ADD(alias, ":", version != MEI_CL_VERSION_ANY, version); |
e5354107 | 1206 | |
c93b76b3 | 1207 | strcat(alias, ":*"); |
e5354107 SO |
1208 | |
1209 | return 1; | |
1210 | } | |
e5354107 | 1211 | |
3bdbb62f AB |
1212 | /* Looks like: rapidio:vNdNavNadN */ |
1213 | static int do_rio_entry(const char *filename, | |
1214 | void *symval, char *alias) | |
1215 | { | |
1216 | DEF_FIELD(symval, rio_device_id, did); | |
1217 | DEF_FIELD(symval, rio_device_id, vid); | |
1218 | DEF_FIELD(symval, rio_device_id, asm_did); | |
1219 | DEF_FIELD(symval, rio_device_id, asm_vid); | |
1220 | ||
1221 | strcpy(alias, "rapidio:"); | |
1222 | ADD(alias, "v", vid != RIO_ANY_ID, vid); | |
1223 | ADD(alias, "d", did != RIO_ANY_ID, did); | |
1224 | ADD(alias, "av", asm_vid != RIO_ANY_ID, asm_vid); | |
1225 | ADD(alias, "ad", asm_did != RIO_ANY_ID, asm_did); | |
1226 | ||
1227 | add_wildcard(alias); | |
1228 | return 1; | |
1229 | } | |
3bdbb62f | 1230 | |
289fcff4 HK |
1231 | /* Looks like: ulpi:vNpN */ |
1232 | static int do_ulpi_entry(const char *filename, void *symval, | |
1233 | char *alias) | |
1234 | { | |
1235 | DEF_FIELD(symval, ulpi_device_id, vendor); | |
1236 | DEF_FIELD(symval, ulpi_device_id, product); | |
1237 | ||
1238 | sprintf(alias, "ulpi:v%04xp%04x", vendor, product); | |
1239 | ||
1240 | return 1; | |
1241 | } | |
289fcff4 | 1242 | |
da23ac1e SP |
1243 | /* Looks like: hdaudio:vNrNaN */ |
1244 | static int do_hda_entry(const char *filename, void *symval, char *alias) | |
1245 | { | |
1246 | DEF_FIELD(symval, hda_device_id, vendor_id); | |
1247 | DEF_FIELD(symval, hda_device_id, rev_id); | |
1248 | DEF_FIELD(symval, hda_device_id, api_version); | |
1249 | ||
1250 | strcpy(alias, "hdaudio:"); | |
1251 | ADD(alias, "v", vendor_id != 0, vendor_id); | |
1252 | ADD(alias, "r", rev_id != 0, rev_id); | |
1253 | ADD(alias, "a", api_version != 0, api_version); | |
1254 | ||
1255 | add_wildcard(alias); | |
1256 | return 1; | |
1257 | } | |
da23ac1e | 1258 | |
9251345d VK |
1259 | /* Looks like: sdw:mNpN */ |
1260 | static int do_sdw_entry(const char *filename, void *symval, char *alias) | |
1261 | { | |
1262 | DEF_FIELD(symval, sdw_device_id, mfg_id); | |
1263 | DEF_FIELD(symval, sdw_device_id, part_id); | |
1264 | ||
1265 | strcpy(alias, "sdw:"); | |
1266 | ADD(alias, "m", mfg_id != 0, mfg_id); | |
1267 | ADD(alias, "p", part_id != 0, part_id); | |
1268 | ||
1269 | add_wildcard(alias); | |
1270 | return 1; | |
1271 | } | |
9251345d | 1272 | |
0afef456 SY |
1273 | /* Looks like: fsl-mc:vNdN */ |
1274 | static int do_fsl_mc_entry(const char *filename, void *symval, | |
1275 | char *alias) | |
1276 | { | |
1277 | DEF_FIELD(symval, fsl_mc_device_id, vendor); | |
1278 | DEF_FIELD_ADDR(symval, fsl_mc_device_id, obj_type); | |
1279 | ||
1280 | sprintf(alias, "fsl-mc:v%08Xd%s", vendor, *obj_type); | |
1281 | return 1; | |
1282 | } | |
0afef456 | 1283 | |
d1ff7024 MW |
1284 | /* Looks like: tbsvc:kSpNvNrN */ |
1285 | static int do_tbsvc_entry(const char *filename, void *symval, char *alias) | |
1286 | { | |
1287 | DEF_FIELD(symval, tb_service_id, match_flags); | |
1288 | DEF_FIELD_ADDR(symval, tb_service_id, protocol_key); | |
1289 | DEF_FIELD(symval, tb_service_id, protocol_id); | |
1290 | DEF_FIELD(symval, tb_service_id, protocol_version); | |
1291 | DEF_FIELD(symval, tb_service_id, protocol_revision); | |
1292 | ||
1293 | strcpy(alias, "tbsvc:"); | |
1294 | if (match_flags & TBSVC_MATCH_PROTOCOL_KEY) | |
1295 | sprintf(alias + strlen(alias), "k%s", *protocol_key); | |
1296 | else | |
1297 | strcat(alias + strlen(alias), "k*"); | |
1298 | ADD(alias, "p", match_flags & TBSVC_MATCH_PROTOCOL_ID, protocol_id); | |
1299 | ADD(alias, "v", match_flags & TBSVC_MATCH_PROTOCOL_VERSION, | |
1300 | protocol_version); | |
1301 | ADD(alias, "r", match_flags & TBSVC_MATCH_PROTOCOL_REVISION, | |
1302 | protocol_revision); | |
1303 | ||
1304 | add_wildcard(alias); | |
1305 | return 1; | |
1306 | } | |
d1ff7024 | 1307 | |
8a37d87d HK |
1308 | /* Looks like: typec:idNmN */ |
1309 | static int do_typec_entry(const char *filename, void *symval, char *alias) | |
1310 | { | |
1311 | DEF_FIELD(symval, typec_device_id, svid); | |
1312 | DEF_FIELD(symval, typec_device_id, mode); | |
1313 | ||
1314 | sprintf(alias, "typec:id%04X", svid); | |
1315 | ADD(alias, "m", mode != TYPEC_ANY_MODE, mode); | |
1316 | ||
1317 | return 1; | |
1318 | } | |
8a37d87d | 1319 | |
0fc1db9d SG |
1320 | /* Looks like: tee:uuid */ |
1321 | static int do_tee_entry(const char *filename, void *symval, char *alias) | |
1322 | { | |
1323 | DEF_FIELD(symval, tee_client_device_id, uuid); | |
1324 | ||
1325 | sprintf(alias, "tee:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", | |
1326 | uuid.b[0], uuid.b[1], uuid.b[2], uuid.b[3], uuid.b[4], | |
1327 | uuid.b[5], uuid.b[6], uuid.b[7], uuid.b[8], uuid.b[9], | |
1328 | uuid.b[10], uuid.b[11], uuid.b[12], uuid.b[13], uuid.b[14], | |
1329 | uuid.b[15]); | |
1330 | ||
1331 | add_wildcard(alias); | |
1332 | return 1; | |
1333 | } | |
1334 | ||
0bc44b2b MJ |
1335 | /* Looks like: wmi:guid */ |
1336 | static int do_wmi_entry(const char *filename, void *symval, char *alias) | |
1337 | { | |
1338 | int len; | |
1339 | DEF_FIELD_ADDR(symval, wmi_device_id, guid_string); | |
1340 | ||
1341 | if (strlen(*guid_string) != UUID_STRING_LEN) { | |
1342 | warn("Invalid WMI device id 'wmi:%s' in '%s'\n", | |
1343 | *guid_string, filename); | |
1344 | return 0; | |
1345 | } | |
1346 | ||
1347 | len = snprintf(alias, ALIAS_SIZE, WMI_MODULE_PREFIX "%s", *guid_string); | |
1348 | if (len < 0 || len >= ALIAS_SIZE) { | |
1349 | warn("Could not generate all MODULE_ALIAS's in '%s'\n", | |
1350 | filename); | |
1351 | return 0; | |
1352 | } | |
1353 | return 1; | |
1354 | } | |
1355 | ||
626596e2 RR |
1356 | /* Does namelen bytes of name exactly match the symbol? */ |
1357 | static bool sym_is(const char *name, unsigned namelen, const char *symbol) | |
1da177e4 | 1358 | { |
626596e2 RR |
1359 | if (namelen != strlen(symbol)) |
1360 | return false; | |
1da177e4 | 1361 | |
626596e2 | 1362 | return memcmp(name, symbol, namelen) == 0; |
1da177e4 LT |
1363 | } |
1364 | ||
1365 | static void do_table(void *symval, unsigned long size, | |
1366 | unsigned long id_size, | |
fb33d816 | 1367 | const char *device_id, |
f880eea6 | 1368 | int (*do_entry)(const char *filename, void *symval, char *alias), |
1da177e4 LT |
1369 | struct module *mod) |
1370 | { | |
1371 | unsigned int i; | |
841f1b8f | 1372 | char alias[ALIAS_SIZE]; |
1da177e4 | 1373 | |
e0049825 | 1374 | device_id_check(mod->name, device_id, size, id_size, symval); |
1da177e4 LT |
1375 | /* Leave last one: it's the terminator. */ |
1376 | size -= id_size; | |
1377 | ||
1378 | for (i = 0; i < size; i += id_size) { | |
1379 | if (do_entry(mod->name, symval+i, alias)) { | |
1da177e4 LT |
1380 | buf_printf(&mod->dev_table_buf, |
1381 | "MODULE_ALIAS(\"%s\");\n", alias); | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | ||
ec91e78d MY |
1386 | static const struct devtable devtable[] = { |
1387 | {"hid", SIZE_hid_device_id, do_hid_entry}, | |
1388 | {"ieee1394", SIZE_ieee1394_device_id, do_ieee1394_entry}, | |
1389 | {"pci", SIZE_pci_device_id, do_pci_entry}, | |
1390 | {"ccw", SIZE_ccw_device_id, do_ccw_entry}, | |
1391 | {"ap", SIZE_ap_device_id, do_ap_entry}, | |
1392 | {"css", SIZE_css_device_id, do_css_entry}, | |
1393 | {"serio", SIZE_serio_device_id, do_serio_entry}, | |
1394 | {"acpi", SIZE_acpi_device_id, do_acpi_entry}, | |
1395 | {"pcmcia", SIZE_pcmcia_device_id, do_pcmcia_entry}, | |
1396 | {"vio", SIZE_vio_device_id, do_vio_entry}, | |
1397 | {"input", SIZE_input_device_id, do_input_entry}, | |
1398 | {"eisa", SIZE_eisa_device_id, do_eisa_entry}, | |
1399 | {"parisc", SIZE_parisc_device_id, do_parisc_entry}, | |
1400 | {"sdio", SIZE_sdio_device_id, do_sdio_entry}, | |
1401 | {"ssb", SIZE_ssb_device_id, do_ssb_entry}, | |
1402 | {"bcma", SIZE_bcma_device_id, do_bcma_entry}, | |
1403 | {"virtio", SIZE_virtio_device_id, do_virtio_entry}, | |
1404 | {"vmbus", SIZE_hv_vmbus_device_id, do_vmbus_entry}, | |
1405 | {"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry}, | |
1406 | {"i2c", SIZE_i2c_device_id, do_i2c_entry}, | |
1ce589ad | 1407 | {"i3c", SIZE_i3c_device_id, do_i3c_entry}, |
ec91e78d MY |
1408 | {"spi", SIZE_spi_device_id, do_spi_entry}, |
1409 | {"dmi", SIZE_dmi_system_id, do_dmi_entry}, | |
1410 | {"platform", SIZE_platform_device_id, do_platform_entry}, | |
1411 | {"mdio", SIZE_mdio_device_id, do_mdio_entry}, | |
1412 | {"zorro", SIZE_zorro_device_id, do_zorro_entry}, | |
1413 | {"isapnp", SIZE_isapnp_device_id, do_isapnp_entry}, | |
1414 | {"ipack", SIZE_ipack_device_id, do_ipack_entry}, | |
1415 | {"amba", SIZE_amba_id, do_amba_entry}, | |
1416 | {"mipscdmm", SIZE_mips_cdmm_device_id, do_mips_cdmm_entry}, | |
1417 | {"x86cpu", SIZE_x86_cpu_id, do_x86cpu_entry}, | |
1418 | {"cpu", SIZE_cpu_feature, do_cpu_entry}, | |
1419 | {"mei", SIZE_mei_cl_device_id, do_mei_entry}, | |
1420 | {"rapidio", SIZE_rio_device_id, do_rio_entry}, | |
1421 | {"ulpi", SIZE_ulpi_device_id, do_ulpi_entry}, | |
1422 | {"hdaudio", SIZE_hda_device_id, do_hda_entry}, | |
1423 | {"sdw", SIZE_sdw_device_id, do_sdw_entry}, | |
1424 | {"fslmc", SIZE_fsl_mc_device_id, do_fsl_mc_entry}, | |
1425 | {"tbsvc", SIZE_tb_service_id, do_tbsvc_entry}, | |
1426 | {"typec", SIZE_typec_device_id, do_typec_entry}, | |
0fc1db9d | 1427 | {"tee", SIZE_tee_client_device_id, do_tee_entry}, |
0bc44b2b | 1428 | {"wmi", SIZE_wmi_device_id, do_wmi_entry}, |
ec91e78d MY |
1429 | }; |
1430 | ||
1da177e4 LT |
1431 | /* Create MODULE_ALIAS() statements. |
1432 | * At this time, we cannot write the actual output C source yet, | |
1433 | * so we write into the mod->dev_table_buf buffer. */ | |
1434 | void handle_moddevtable(struct module *mod, struct elf_info *info, | |
1435 | Elf_Sym *sym, const char *symname) | |
1436 | { | |
1437 | void *symval; | |
e0049825 | 1438 | char *zeros = NULL; |
21bdd17b | 1439 | const char *name, *identifier; |
626596e2 | 1440 | unsigned int namelen; |
1da177e4 LT |
1441 | |
1442 | /* We're looking for a section relative symbol */ | |
1ce53adf | 1443 | if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) |
1da177e4 LT |
1444 | return; |
1445 | ||
e88aa7bb DM |
1446 | /* We're looking for an object */ |
1447 | if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) | |
1448 | return; | |
1449 | ||
153e04b3 MY |
1450 | /* All our symbols are of form __mod_<name>__<identifier>_device_table. */ |
1451 | if (strncmp(symname, "__mod_", strlen("__mod_"))) | |
626596e2 | 1452 | return; |
153e04b3 | 1453 | name = symname + strlen("__mod_"); |
626596e2 RR |
1454 | namelen = strlen(name); |
1455 | if (namelen < strlen("_device_table")) | |
1456 | return; | |
1457 | if (strcmp(name + namelen - strlen("_device_table"), "_device_table")) | |
1458 | return; | |
21bdd17b TG |
1459 | identifier = strstr(name, "__"); |
1460 | if (!identifier) | |
1461 | return; | |
1462 | namelen = identifier - name; | |
626596e2 | 1463 | |
e0049825 | 1464 | /* Handle all-NULL symbols allocated into .bss */ |
1ce53adf | 1465 | if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { |
e0049825 KC |
1466 | zeros = calloc(1, sym->st_size); |
1467 | symval = zeros; | |
1468 | } else { | |
1469 | symval = (void *)info->hdr | |
1ce53adf | 1470 | + info->sechdrs[get_secindex(info, sym)].sh_offset |
e0049825 KC |
1471 | + sym->st_value; |
1472 | } | |
1da177e4 | 1473 | |
626596e2 RR |
1474 | /* First handle the "special" cases */ |
1475 | if (sym_is(name, namelen, "usb")) | |
b19dcd93 | 1476 | do_usb_table(symval, sym->st_size, mod); |
acbef7b7 PZ |
1477 | if (sym_is(name, namelen, "of")) |
1478 | do_of_table(symval, sym->st_size, mod); | |
626596e2 | 1479 | else if (sym_is(name, namelen, "pnp")) |
22454cb9 | 1480 | do_pnp_device_entry(symval, sym->st_size, mod); |
626596e2 | 1481 | else if (sym_is(name, namelen, "pnp_card")) |
0c81eed4 | 1482 | do_pnp_card_entries(symval, sym->st_size, mod); |
626596e2 | 1483 | else { |
ec91e78d MY |
1484 | int i; |
1485 | ||
1486 | for (i = 0; i < ARRAY_SIZE(devtable); i++) { | |
1487 | const struct devtable *p = &devtable[i]; | |
626596e2 | 1488 | |
ec91e78d MY |
1489 | if (sym_is(name, namelen, p->device_id)) { |
1490 | do_table(symval, sym->st_size, p->id_size, | |
f880eea6 | 1491 | p->device_id, p->do_entry, mod); |
626596e2 RR |
1492 | break; |
1493 | } | |
1494 | } | |
1495 | } | |
e0049825 | 1496 | free(zeros); |
1da177e4 LT |
1497 | } |
1498 | ||
1499 | /* Now add out buffered information to the generated C source */ | |
1500 | void add_moddevtable(struct buffer *buf, struct module *mod) | |
1501 | { | |
1502 | buf_printf(buf, "\n"); | |
1503 | buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos); | |
1504 | free(mod->dev_table_buf.p); | |
1505 | } |