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