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" |
14 | #include "devicetable-offsets.h" |
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; |
20 | #define BITS_PER_LONG 32 |
21 | #else |
22 | typedef Elf64_Addr kernel_ulong_t; |
23 | #define BITS_PER_LONG 64 |
24 | #endif |
25 | #ifdef __sun__ |
26 | #include <inttypes.h> |
27 | #else |
28 | #include <stdint.h> |
29 | #endif |
30 | |
31 | #include <ctype.h> |
32 | #include <stdbool.h> |
33 | |
34 | typedef uint32_t __u32; |
35 | typedef uint16_t __u16; |
36 | typedef unsigned char __u8; |
37 | |
38 | /* UUID types for backward compatibility, don't use in new code */ |
39 | typedef struct { |
40 | __u8 b[16]; |
41 | } guid_t; |
42 | |
43 | typedef struct { |
44 | __u8 b[16]; |
45 | } uuid_t; |
46 | |
47 | #define UUID_STRING_LEN 36 |
48 | |
49 | /* MEI UUID type, don't use anywhere else */ |
50 | typedef struct { |
51 | __u8 b[16]; |
52 | } uuid_le; |
53 | |
54 | /* Big exception to the "don't include kernel headers into userspace, which |
55 | * even potentially has different endianness and word sizes, since |
56 | * we handle those differences explicitly below */ |
57 | #include "../../include/linux/mod_devicetable.h" |
58 | |
59 | /* This array collects all instances that use the generic do_table */ |
60 | struct devtable { |
61 | const char *device_id; /* name of table, __mod_<name>__*_device_table. */ |
62 | unsigned long id_size; |
63 | int (*do_entry)(const char *filename, void *symval, char *alias); |
64 | }; |
65 | |
66 | /* Size of alias provided to do_entry functions */ |
67 | #define ALIAS_SIZE 500 |
68 | |
69 | /* Define a variable f that holds the value of field f of struct devid |
70 | * based at address m. |
71 | */ |
72 | #define DEF_FIELD(m, devid, f) \ |
73 | typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) |
74 | |
75 | /* Define a variable v that holds the address of field f of struct devid |
76 | * based at address m. Due to the way typeof works, for a field of type |
77 | * T[N] the variable has type T(*)[N], _not_ T*. |
78 | */ |
79 | #define DEF_FIELD_ADDR_VAR(m, devid, f, v) \ |
80 | typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f) |
81 | |
82 | /* Define a variable f that holds the address of field f of struct devid |
83 | * based at address m. Due to the way typeof works, for a field of type |
84 | * T[N] the variable has type T(*)[N], _not_ T*. |
85 | */ |
86 | #define DEF_FIELD_ADDR(m, devid, f) \ |
87 | DEF_FIELD_ADDR_VAR(m, devid, f, f) |
88 | |
89 | #define ADD(str, sep, cond, field) \ |
90 | do { \ |
91 | strcat(str, sep); \ |
92 | if (cond) \ |
93 | sprintf(str + strlen(str), \ |
94 | sizeof(field) == 1 ? "%02X" : \ |
95 | sizeof(field) == 2 ? "%04X" : \ |
96 | sizeof(field) == 4 ? "%08X" : "", \ |
97 | field); \ |
98 | else \ |
99 | sprintf(str + strlen(str), "*"); \ |
100 | } while(0) |
101 | |
102 | /* End in a wildcard, for future extension */ |
103 | static inline void add_wildcard(char *str) |
104 | { |
105 | int len = strlen(s: str); |
106 | |
107 | if (str[len - 1] != '*') |
108 | strcat(dest: str + len, src: "*" ); |
109 | } |
110 | |
111 | static inline void add_uuid(char *str, uuid_le uuid) |
112 | { |
113 | int len = strlen(s: str); |
114 | |
115 | sprintf(s: str + len, format: "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" , |
116 | uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], |
117 | uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6], |
118 | uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11], |
119 | uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); |
120 | } |
121 | |
122 | static inline void add_guid(char *str, guid_t guid) |
123 | { |
124 | int len = strlen(s: str); |
125 | |
126 | sprintf(s: str + len, format: "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X" , |
127 | guid.b[3], guid.b[2], guid.b[1], guid.b[0], |
128 | guid.b[5], guid.b[4], guid.b[7], guid.b[6], |
129 | guid.b[8], guid.b[9], guid.b[10], guid.b[11], |
130 | guid.b[12], guid.b[13], guid.b[14], guid.b[15]); |
131 | } |
132 | |
133 | /** |
134 | * Check that sizeof(device_id type) are consistent with size of section |
135 | * in .o file. If in-consistent then userspace and kernel does not agree |
136 | * on actual size which is a bug. |
137 | * Also verify that the final entry in the table is all zeros. |
138 | * Ignore both checks if build host differ from target host and size differs. |
139 | **/ |
140 | static void device_id_check(const char *modname, const char *device_id, |
141 | unsigned long size, unsigned long id_size, |
142 | void *symval) |
143 | { |
144 | int i; |
145 | |
146 | if (size % id_size || size < id_size) { |
147 | fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo of the size of section __mod_%s__<identifier>_device_table=%lu.\n" |
148 | "Fix definition of struct %s_device_id in mod_devicetable.h\n" , |
149 | modname, device_id, id_size, device_id, size, device_id); |
150 | } |
151 | /* Verify last one is a terminator */ |
152 | for (i = 0; i < id_size; i++ ) { |
153 | if (*(uint8_t*)(symval+size-id_size+i)) { |
154 | fprintf(stderr, |
155 | format: "%s: struct %s_device_id is %lu bytes. The last of %lu is:\n" , |
156 | modname, device_id, id_size, size / id_size); |
157 | for (i = 0; i < id_size; i++ ) |
158 | fprintf(stderr,format: "0x%02x " , |
159 | *(uint8_t*)(symval+size-id_size+i) ); |
160 | fprintf(stderr,format: "\n" ); |
161 | fatal("%s: struct %s_device_id is not terminated with a NULL entry!\n" , |
162 | modname, device_id); |
163 | } |
164 | } |
165 | } |
166 | |
167 | /* USB is special because the bcdDevice can be matched against a numeric range */ |
168 | /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ |
169 | static void do_usb_entry(void *symval, |
170 | unsigned int bcdDevice_initial, int bcdDevice_initial_digits, |
171 | unsigned char range_lo, unsigned char range_hi, |
172 | unsigned char max, struct module *mod) |
173 | { |
174 | char alias[500]; |
175 | DEF_FIELD(symval, usb_device_id, match_flags); |
176 | DEF_FIELD(symval, usb_device_id, idVendor); |
177 | DEF_FIELD(symval, usb_device_id, idProduct); |
178 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); |
179 | DEF_FIELD(symval, usb_device_id, bDeviceClass); |
180 | DEF_FIELD(symval, usb_device_id, bDeviceSubClass); |
181 | DEF_FIELD(symval, usb_device_id, bDeviceProtocol); |
182 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); |
183 | DEF_FIELD(symval, usb_device_id, bInterfaceSubClass); |
184 | DEF_FIELD(symval, usb_device_id, bInterfaceProtocol); |
185 | DEF_FIELD(symval, usb_device_id, bInterfaceNumber); |
186 | |
187 | strcpy(dest: alias, src: "usb:" ); |
188 | ADD(alias, "v" , match_flags&USB_DEVICE_ID_MATCH_VENDOR, |
189 | idVendor); |
190 | ADD(alias, "p" , match_flags&USB_DEVICE_ID_MATCH_PRODUCT, |
191 | idProduct); |
192 | |
193 | strcat(dest: alias, src: "d" ); |
194 | if (bcdDevice_initial_digits) |
195 | sprintf(s: alias + strlen(s: alias), format: "%0*X" , |
196 | bcdDevice_initial_digits, bcdDevice_initial); |
197 | if (range_lo == range_hi) |
198 | sprintf(s: alias + strlen(s: alias), format: "%X" , range_lo); |
199 | else if (range_lo > 0 || range_hi < max) { |
200 | if (range_lo > 0x9 || range_hi < 0xA) |
201 | sprintf(s: alias + strlen(s: alias), |
202 | format: "[%X-%X]" , |
203 | range_lo, |
204 | range_hi); |
205 | else { |
206 | sprintf(s: alias + strlen(s: alias), |
207 | format: range_lo < 0x9 ? "[%X-9" : "[%X" , |
208 | range_lo); |
209 | sprintf(s: alias + strlen(s: alias), |
210 | format: range_hi > 0xA ? "A-%X]" : "%X]" , |
211 | range_hi); |
212 | } |
213 | } |
214 | if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) |
215 | strcat(dest: alias, src: "*" ); |
216 | |
217 | ADD(alias, "dc" , match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, |
218 | bDeviceClass); |
219 | ADD(alias, "dsc" , match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, |
220 | bDeviceSubClass); |
221 | ADD(alias, "dp" , match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, |
222 | bDeviceProtocol); |
223 | ADD(alias, "ic" , match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, |
224 | bInterfaceClass); |
225 | ADD(alias, "isc" , match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, |
226 | bInterfaceSubClass); |
227 | ADD(alias, "ip" , match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, |
228 | bInterfaceProtocol); |
229 | ADD(alias, "in" , match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER, |
230 | bInterfaceNumber); |
231 | |
232 | add_wildcard(str: alias); |
233 | buf_printf(buf: &mod->dev_table_buf, |
234 | fmt: "MODULE_ALIAS(\"%s\");\n" , alias); |
235 | } |
236 | |
237 | /* Handles increment/decrement of BCD formatted integers */ |
238 | /* Returns the previous value, so it works like i++ or i-- */ |
239 | static unsigned int incbcd(unsigned int *bcd, |
240 | int inc, |
241 | unsigned char max, |
242 | size_t chars) |
243 | { |
244 | unsigned int init = *bcd, i, j; |
245 | unsigned long long c, dec = 0; |
246 | |
247 | /* If bcd is not in BCD format, just increment */ |
248 | if (max > 0x9) { |
249 | *bcd += inc; |
250 | return init; |
251 | } |
252 | |
253 | /* Convert BCD to Decimal */ |
254 | for (i=0 ; i < chars ; i++) { |
255 | c = (*bcd >> (i << 2)) & 0xf; |
256 | c = c > 9 ? 9 : c; /* force to bcd just in case */ |
257 | for (j=0 ; j < i ; j++) |
258 | c = c * 10; |
259 | dec += c; |
260 | } |
261 | |
262 | /* Do our increment/decrement */ |
263 | dec += inc; |
264 | *bcd = 0; |
265 | |
266 | /* Convert back to BCD */ |
267 | for (i=0 ; i < chars ; i++) { |
268 | for (c=1,j=0 ; j < i ; j++) |
269 | c = c * 10; |
270 | c = (dec / c) % 10; |
271 | *bcd += c << (i << 2); |
272 | } |
273 | return init; |
274 | } |
275 | |
276 | static void do_usb_entry_multi(void *symval, struct module *mod) |
277 | { |
278 | unsigned int devlo, devhi; |
279 | unsigned char chi, clo, max; |
280 | int ndigits; |
281 | |
282 | DEF_FIELD(symval, usb_device_id, match_flags); |
283 | DEF_FIELD(symval, usb_device_id, idVendor); |
284 | DEF_FIELD(symval, usb_device_id, idProduct); |
285 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); |
286 | DEF_FIELD(symval, usb_device_id, bcdDevice_hi); |
287 | DEF_FIELD(symval, usb_device_id, bDeviceClass); |
288 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); |
289 | |
290 | devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? |
291 | bcdDevice_lo : 0x0U; |
292 | devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? |
293 | bcdDevice_hi : ~0x0U; |
294 | |
295 | /* Figure out if this entry is in bcd or hex format */ |
296 | max = 0x9; /* Default to decimal format */ |
297 | for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) { |
298 | clo = (devlo >> (ndigits << 2)) & 0xf; |
299 | chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf; |
300 | if (clo > max || chi > max) { |
301 | max = 0xf; |
302 | break; |
303 | } |
304 | } |
305 | |
306 | /* |
307 | * Some modules (visor) have empty slots as placeholder for |
308 | * run-time specification that results in catch-all alias |
309 | */ |
310 | if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass)) |
311 | return; |
312 | |
313 | /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ |
314 | for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { |
315 | clo = devlo & 0xf; |
316 | chi = devhi & 0xf; |
317 | if (chi > max) /* If we are in bcd mode, truncate if necessary */ |
318 | chi = max; |
319 | devlo >>= 4; |
320 | devhi >>= 4; |
321 | |
322 | if (devlo == devhi || !ndigits) { |
323 | do_usb_entry(symval, bcdDevice_initial: devlo, bcdDevice_initial_digits: ndigits, range_lo: clo, range_hi: chi, max, mod); |
324 | break; |
325 | } |
326 | |
327 | if (clo > 0x0) |
328 | do_usb_entry(symval, |
329 | bcdDevice_initial: incbcd(bcd: &devlo, inc: 1, max, |
330 | chars: sizeof(bcdDevice_lo) * 2), |
331 | bcdDevice_initial_digits: ndigits, range_lo: clo, range_hi: max, max, mod); |
332 | |
333 | if (chi < max) |
334 | do_usb_entry(symval, |
335 | bcdDevice_initial: incbcd(bcd: &devhi, inc: -1, max, |
336 | chars: sizeof(bcdDevice_lo) * 2), |
337 | bcdDevice_initial_digits: ndigits, range_lo: 0x0, range_hi: chi, max, mod); |
338 | } |
339 | } |
340 | |
341 | static void do_usb_table(void *symval, unsigned long size, |
342 | struct module *mod) |
343 | { |
344 | unsigned int i; |
345 | const unsigned long id_size = SIZE_usb_device_id; |
346 | |
347 | device_id_check(modname: mod->name, device_id: "usb" , size, id_size, symval); |
348 | |
349 | /* Leave last one: it's the terminator. */ |
350 | size -= id_size; |
351 | |
352 | for (i = 0; i < size; i += id_size) |
353 | do_usb_entry_multi(symval: symval + i, mod); |
354 | } |
355 | |
356 | static void do_of_entry_multi(void *symval, struct module *mod) |
357 | { |
358 | char alias[500]; |
359 | int len; |
360 | char *tmp; |
361 | |
362 | DEF_FIELD_ADDR(symval, of_device_id, name); |
363 | DEF_FIELD_ADDR(symval, of_device_id, type); |
364 | DEF_FIELD_ADDR(symval, of_device_id, compatible); |
365 | |
366 | len = sprintf(s: alias, format: "of:N%sT%s" , (*name)[0] ? *name : "*" , |
367 | (*type)[0] ? *type : "*" ); |
368 | |
369 | if ((*compatible)[0]) |
370 | sprintf(s: &alias[len], format: "%sC%s" , (*type)[0] ? "*" : "" , |
371 | *compatible); |
372 | |
373 | /* Replace all whitespace with underscores */ |
374 | for (tmp = alias; tmp && *tmp; tmp++) |
375 | if (isspace(*tmp)) |
376 | *tmp = '_'; |
377 | |
378 | buf_printf(buf: &mod->dev_table_buf, fmt: "MODULE_ALIAS(\"%s\");\n" , alias); |
379 | strcat(dest: alias, src: "C" ); |
380 | add_wildcard(str: alias); |
381 | buf_printf(buf: &mod->dev_table_buf, fmt: "MODULE_ALIAS(\"%s\");\n" , alias); |
382 | } |
383 | |
384 | static void do_of_table(void *symval, unsigned long size, |
385 | struct module *mod) |
386 | { |
387 | unsigned int i; |
388 | const unsigned long id_size = SIZE_of_device_id; |
389 | |
390 | device_id_check(modname: mod->name, device_id: "of" , size, id_size, symval); |
391 | |
392 | /* Leave last one: it's the terminator. */ |
393 | size -= id_size; |
394 | |
395 | for (i = 0; i < size; i += id_size) |
396 | do_of_entry_multi(symval: symval + i, mod); |
397 | } |
398 | |
399 | /* Looks like: hid:bNvNpN */ |
400 | static int do_hid_entry(const char *filename, |
401 | void *symval, char *alias) |
402 | { |
403 | DEF_FIELD(symval, hid_device_id, bus); |
404 | DEF_FIELD(symval, hid_device_id, group); |
405 | DEF_FIELD(symval, hid_device_id, vendor); |
406 | DEF_FIELD(symval, hid_device_id, product); |
407 | |
408 | sprintf(s: alias, format: "hid:" ); |
409 | ADD(alias, "b" , bus != HID_BUS_ANY, bus); |
410 | ADD(alias, "g" , group != HID_GROUP_ANY, group); |
411 | ADD(alias, "v" , vendor != HID_ANY_ID, vendor); |
412 | ADD(alias, "p" , product != HID_ANY_ID, product); |
413 | |
414 | return 1; |
415 | } |
416 | |
417 | /* Looks like: ieee1394:venNmoNspNverN */ |
418 | static int do_ieee1394_entry(const char *filename, |
419 | void *symval, char *alias) |
420 | { |
421 | DEF_FIELD(symval, ieee1394_device_id, match_flags); |
422 | DEF_FIELD(symval, ieee1394_device_id, vendor_id); |
423 | DEF_FIELD(symval, ieee1394_device_id, model_id); |
424 | DEF_FIELD(symval, ieee1394_device_id, specifier_id); |
425 | DEF_FIELD(symval, ieee1394_device_id, version); |
426 | |
427 | strcpy(dest: alias, src: "ieee1394:" ); |
428 | ADD(alias, "ven" , match_flags & IEEE1394_MATCH_VENDOR_ID, |
429 | vendor_id); |
430 | ADD(alias, "mo" , match_flags & IEEE1394_MATCH_MODEL_ID, |
431 | model_id); |
432 | ADD(alias, "sp" , match_flags & IEEE1394_MATCH_SPECIFIER_ID, |
433 | specifier_id); |
434 | ADD(alias, "ver" , match_flags & IEEE1394_MATCH_VERSION, |
435 | version); |
436 | |
437 | add_wildcard(str: alias); |
438 | return 1; |
439 | } |
440 | |
441 | /* Looks like: pci:vNdNsvNsdNbcNscNiN or <prefix>_pci:vNdNsvNsdNbcNscNiN. */ |
442 | static int do_pci_entry(const char *filename, |
443 | void *symval, char *alias) |
444 | { |
445 | /* Class field can be divided into these three. */ |
446 | unsigned char baseclass, subclass, interface, |
447 | baseclass_mask, subclass_mask, interface_mask; |
448 | |
449 | DEF_FIELD(symval, pci_device_id, vendor); |
450 | DEF_FIELD(symval, pci_device_id, device); |
451 | DEF_FIELD(symval, pci_device_id, subvendor); |
452 | DEF_FIELD(symval, pci_device_id, subdevice); |
453 | DEF_FIELD(symval, pci_device_id, class); |
454 | DEF_FIELD(symval, pci_device_id, class_mask); |
455 | DEF_FIELD(symval, pci_device_id, override_only); |
456 | |
457 | switch (override_only) { |
458 | case 0: |
459 | strcpy(dest: alias, src: "pci:" ); |
460 | break; |
461 | case PCI_ID_F_VFIO_DRIVER_OVERRIDE: |
462 | strcpy(dest: alias, src: "vfio_pci:" ); |
463 | break; |
464 | default: |
465 | warn("Unknown PCI driver_override alias %08X\n" , |
466 | override_only); |
467 | return 0; |
468 | } |
469 | |
470 | ADD(alias, "v" , vendor != PCI_ANY_ID, vendor); |
471 | ADD(alias, "d" , device != PCI_ANY_ID, device); |
472 | ADD(alias, "sv" , subvendor != PCI_ANY_ID, subvendor); |
473 | ADD(alias, "sd" , subdevice != PCI_ANY_ID, subdevice); |
474 | |
475 | baseclass = (class) >> 16; |
476 | baseclass_mask = (class_mask) >> 16; |
477 | subclass = (class) >> 8; |
478 | subclass_mask = (class_mask) >> 8; |
479 | interface = class; |
480 | interface_mask = class_mask; |
481 | |
482 | if ((baseclass_mask != 0 && baseclass_mask != 0xFF) |
483 | || (subclass_mask != 0 && subclass_mask != 0xFF) |
484 | || (interface_mask != 0 && interface_mask != 0xFF)) { |
485 | warn("Can't handle masks in %s:%04X\n" , |
486 | filename, class_mask); |
487 | return 0; |
488 | } |
489 | |
490 | ADD(alias, "bc" , baseclass_mask == 0xFF, baseclass); |
491 | ADD(alias, "sc" , subclass_mask == 0xFF, subclass); |
492 | ADD(alias, "i" , interface_mask == 0xFF, interface); |
493 | add_wildcard(str: alias); |
494 | return 1; |
495 | } |
496 | |
497 | /* looks like: "ccw:tNmNdtNdmN" */ |
498 | static int do_ccw_entry(const char *filename, |
499 | void *symval, char *alias) |
500 | { |
501 | DEF_FIELD(symval, ccw_device_id, match_flags); |
502 | DEF_FIELD(symval, ccw_device_id, cu_type); |
503 | DEF_FIELD(symval, ccw_device_id, cu_model); |
504 | DEF_FIELD(symval, ccw_device_id, dev_type); |
505 | DEF_FIELD(symval, ccw_device_id, dev_model); |
506 | |
507 | strcpy(dest: alias, src: "ccw:" ); |
508 | ADD(alias, "t" , match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, |
509 | cu_type); |
510 | ADD(alias, "m" , match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, |
511 | cu_model); |
512 | ADD(alias, "dt" , match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, |
513 | dev_type); |
514 | ADD(alias, "dm" , match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, |
515 | dev_model); |
516 | add_wildcard(str: alias); |
517 | return 1; |
518 | } |
519 | |
520 | /* looks like: "ap:tN" */ |
521 | static int do_ap_entry(const char *filename, |
522 | void *symval, char *alias) |
523 | { |
524 | DEF_FIELD(symval, ap_device_id, dev_type); |
525 | |
526 | sprintf(s: alias, format: "ap:t%02X*" , dev_type); |
527 | return 1; |
528 | } |
529 | |
530 | /* looks like: "css:tN" */ |
531 | static int do_css_entry(const char *filename, |
532 | void *symval, char *alias) |
533 | { |
534 | DEF_FIELD(symval, css_device_id, type); |
535 | |
536 | sprintf(s: alias, format: "css:t%01X" , type); |
537 | return 1; |
538 | } |
539 | |
540 | /* Looks like: "serio:tyNprNidNexN" */ |
541 | static int do_serio_entry(const char *filename, |
542 | void *symval, char *alias) |
543 | { |
544 | DEF_FIELD(symval, serio_device_id, type); |
545 | DEF_FIELD(symval, serio_device_id, proto); |
546 | DEF_FIELD(symval, serio_device_id, id); |
547 | DEF_FIELD(symval, serio_device_id, ); |
548 | |
549 | strcpy(dest: alias, src: "serio:" ); |
550 | ADD(alias, "ty" , type != SERIO_ANY, type); |
551 | ADD(alias, "pr" , proto != SERIO_ANY, proto); |
552 | ADD(alias, "id" , id != SERIO_ANY, id); |
553 | ADD(alias, "ex" , extra != SERIO_ANY, extra); |
554 | |
555 | add_wildcard(str: alias); |
556 | return 1; |
557 | } |
558 | |
559 | /* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or |
560 | * "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if) |
561 | * |
562 | * NOTE: Each driver should use one of the following : _HID, _CIDs |
563 | * or _CLS. Also, bb, ss, and pp can be substituted with ?? |
564 | * as don't care byte. |
565 | */ |
566 | static int do_acpi_entry(const char *filename, |
567 | void *symval, char *alias) |
568 | { |
569 | DEF_FIELD_ADDR(symval, acpi_device_id, id); |
570 | DEF_FIELD_ADDR(symval, acpi_device_id, cls); |
571 | DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk); |
572 | |
573 | if (id && strlen(s: (const char *)*id)) |
574 | sprintf(s: alias, format: "acpi*:%s:*" , *id); |
575 | else if (cls) { |
576 | int i, byte_shift, cnt = 0; |
577 | unsigned int msk; |
578 | |
579 | sprintf(s: &alias[cnt], format: "acpi*:" ); |
580 | cnt = 6; |
581 | for (i = 1; i <= 3; i++) { |
582 | byte_shift = 8 * (3-i); |
583 | msk = (*cls_msk >> byte_shift) & 0xFF; |
584 | if (msk) |
585 | sprintf(s: &alias[cnt], format: "%02x" , |
586 | (*cls >> byte_shift) & 0xFF); |
587 | else |
588 | sprintf(s: &alias[cnt], format: "??" ); |
589 | cnt += 2; |
590 | } |
591 | sprintf(s: &alias[cnt], format: ":*" ); |
592 | } |
593 | return 1; |
594 | } |
595 | |
596 | /* looks like: "pnp:dD" */ |
597 | static void do_pnp_device_entry(void *symval, unsigned long size, |
598 | struct module *mod) |
599 | { |
600 | const unsigned long id_size = SIZE_pnp_device_id; |
601 | const unsigned int count = (size / id_size)-1; |
602 | unsigned int i; |
603 | |
604 | device_id_check(modname: mod->name, device_id: "pnp" , size, id_size, symval); |
605 | |
606 | for (i = 0; i < count; i++) { |
607 | DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); |
608 | char acpi_id[sizeof(*id)]; |
609 | int j; |
610 | |
611 | buf_printf(buf: &mod->dev_table_buf, |
612 | fmt: "MODULE_ALIAS(\"pnp:d%s*\");\n" , *id); |
613 | |
614 | /* fix broken pnp bus lowercasing */ |
615 | for (j = 0; j < sizeof(acpi_id); j++) |
616 | acpi_id[j] = toupper((*id)[j]); |
617 | buf_printf(buf: &mod->dev_table_buf, |
618 | fmt: "MODULE_ALIAS(\"acpi*:%s:*\");\n" , acpi_id); |
619 | } |
620 | } |
621 | |
622 | /* looks like: "pnp:dD" for every device of the card */ |
623 | static void do_pnp_card_entries(void *symval, unsigned long size, |
624 | struct module *mod) |
625 | { |
626 | const unsigned long id_size = SIZE_pnp_card_device_id; |
627 | const unsigned int count = (size / id_size)-1; |
628 | unsigned int i; |
629 | |
630 | device_id_check(modname: mod->name, device_id: "pnp" , size, id_size, symval); |
631 | |
632 | for (i = 0; i < count; i++) { |
633 | unsigned int j; |
634 | DEF_FIELD_ADDR(symval + i * id_size, pnp_card_device_id, devs); |
635 | |
636 | for (j = 0; j < PNP_MAX_DEVICES; j++) { |
637 | const char *id = (char *)(*devs)[j].id; |
638 | int i2, j2; |
639 | int dup = 0; |
640 | |
641 | if (!id[0]) |
642 | break; |
643 | |
644 | /* find duplicate, already added value */ |
645 | for (i2 = 0; i2 < i && !dup; i2++) { |
646 | DEF_FIELD_ADDR_VAR(symval + i2 * id_size, |
647 | pnp_card_device_id, |
648 | devs, devs_dup); |
649 | |
650 | for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { |
651 | const char *id2 = |
652 | (char *)(*devs_dup)[j2].id; |
653 | |
654 | if (!id2[0]) |
655 | break; |
656 | |
657 | if (!strcmp(s1: id, s2: id2)) { |
658 | dup = 1; |
659 | break; |
660 | } |
661 | } |
662 | } |
663 | |
664 | /* add an individual alias for every device entry */ |
665 | if (!dup) { |
666 | char acpi_id[PNP_ID_LEN]; |
667 | int k; |
668 | |
669 | buf_printf(buf: &mod->dev_table_buf, |
670 | fmt: "MODULE_ALIAS(\"pnp:d%s*\");\n" , id); |
671 | |
672 | /* fix broken pnp bus lowercasing */ |
673 | for (k = 0; k < sizeof(acpi_id); k++) |
674 | acpi_id[k] = toupper(id[k]); |
675 | buf_printf(buf: &mod->dev_table_buf, |
676 | fmt: "MODULE_ALIAS(\"acpi*:%s:*\");\n" , acpi_id); |
677 | } |
678 | } |
679 | } |
680 | } |
681 | |
682 | /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ |
683 | static int do_pcmcia_entry(const char *filename, |
684 | void *symval, char *alias) |
685 | { |
686 | unsigned int i; |
687 | DEF_FIELD(symval, pcmcia_device_id, match_flags); |
688 | DEF_FIELD(symval, pcmcia_device_id, manf_id); |
689 | DEF_FIELD(symval, pcmcia_device_id, card_id); |
690 | DEF_FIELD(symval, pcmcia_device_id, func_id); |
691 | DEF_FIELD(symval, pcmcia_device_id, function); |
692 | DEF_FIELD(symval, pcmcia_device_id, device_no); |
693 | DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash); |
694 | |
695 | for (i=0; i<4; i++) { |
696 | (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]); |
697 | } |
698 | |
699 | strcpy(dest: alias, src: "pcmcia:" ); |
700 | ADD(alias, "m" , match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, |
701 | manf_id); |
702 | ADD(alias, "c" , match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, |
703 | card_id); |
704 | ADD(alias, "f" , match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, |
705 | func_id); |
706 | ADD(alias, "fn" , match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, |
707 | function); |
708 | ADD(alias, "pfn" , match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, |
709 | device_no); |
710 | ADD(alias, "pa" , match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]); |
711 | ADD(alias, "pb" , match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]); |
712 | ADD(alias, "pc" , match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]); |
713 | ADD(alias, "pd" , match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]); |
714 | |
715 | add_wildcard(str: alias); |
716 | return 1; |
717 | } |
718 | |
719 | static int do_vio_entry(const char *filename, void *symval, |
720 | char *alias) |
721 | { |
722 | char *tmp; |
723 | DEF_FIELD_ADDR(symval, vio_device_id, type); |
724 | DEF_FIELD_ADDR(symval, vio_device_id, compat); |
725 | |
726 | sprintf(s: alias, format: "vio:T%sS%s" , (*type)[0] ? *type : "*" , |
727 | (*compat)[0] ? *compat : "*" ); |
728 | |
729 | /* Replace all whitespace with underscores */ |
730 | for (tmp = alias; tmp && *tmp; tmp++) |
731 | if (isspace (*tmp)) |
732 | *tmp = '_'; |
733 | |
734 | add_wildcard(str: alias); |
735 | return 1; |
736 | } |
737 | |
738 | static void do_input(char *alias, |
739 | kernel_ulong_t *arr, unsigned int min, unsigned int max) |
740 | { |
741 | unsigned int i; |
742 | |
743 | for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++) |
744 | arr[i] = TO_NATIVE(arr[i]); |
745 | for (i = min; i < max; i++) |
746 | if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) |
747 | sprintf(s: alias + strlen(s: alias), format: "%X,*" , i); |
748 | } |
749 | |
750 | /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ |
751 | static int do_input_entry(const char *filename, void *symval, |
752 | char *alias) |
753 | { |
754 | DEF_FIELD(symval, input_device_id, flags); |
755 | DEF_FIELD(symval, input_device_id, bustype); |
756 | DEF_FIELD(symval, input_device_id, vendor); |
757 | DEF_FIELD(symval, input_device_id, product); |
758 | DEF_FIELD(symval, input_device_id, version); |
759 | DEF_FIELD_ADDR(symval, input_device_id, evbit); |
760 | DEF_FIELD_ADDR(symval, input_device_id, keybit); |
761 | DEF_FIELD_ADDR(symval, input_device_id, relbit); |
762 | DEF_FIELD_ADDR(symval, input_device_id, absbit); |
763 | DEF_FIELD_ADDR(symval, input_device_id, mscbit); |
764 | DEF_FIELD_ADDR(symval, input_device_id, ledbit); |
765 | DEF_FIELD_ADDR(symval, input_device_id, sndbit); |
766 | DEF_FIELD_ADDR(symval, input_device_id, ffbit); |
767 | DEF_FIELD_ADDR(symval, input_device_id, swbit); |
768 | |
769 | sprintf(s: alias, format: "input:" ); |
770 | |
771 | ADD(alias, "b" , flags & INPUT_DEVICE_ID_MATCH_BUS, bustype); |
772 | ADD(alias, "v" , flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor); |
773 | ADD(alias, "p" , flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product); |
774 | ADD(alias, "e" , flags & INPUT_DEVICE_ID_MATCH_VERSION, version); |
775 | |
776 | sprintf(s: alias + strlen(s: alias), format: "-e*" ); |
777 | if (flags & INPUT_DEVICE_ID_MATCH_EVBIT) |
778 | do_input(alias, arr: *evbit, min: 0, INPUT_DEVICE_ID_EV_MAX); |
779 | sprintf(s: alias + strlen(s: alias), format: "k*" ); |
780 | if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT) |
781 | do_input(alias, arr: *keybit, |
782 | INPUT_DEVICE_ID_KEY_MIN_INTERESTING, |
783 | INPUT_DEVICE_ID_KEY_MAX); |
784 | sprintf(s: alias + strlen(s: alias), format: "r*" ); |
785 | if (flags & INPUT_DEVICE_ID_MATCH_RELBIT) |
786 | do_input(alias, arr: *relbit, min: 0, INPUT_DEVICE_ID_REL_MAX); |
787 | sprintf(s: alias + strlen(s: alias), format: "a*" ); |
788 | if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT) |
789 | do_input(alias, arr: *absbit, min: 0, INPUT_DEVICE_ID_ABS_MAX); |
790 | sprintf(s: alias + strlen(s: alias), format: "m*" ); |
791 | if (flags & INPUT_DEVICE_ID_MATCH_MSCIT) |
792 | do_input(alias, arr: *mscbit, min: 0, INPUT_DEVICE_ID_MSC_MAX); |
793 | sprintf(s: alias + strlen(s: alias), format: "l*" ); |
794 | if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT) |
795 | do_input(alias, arr: *ledbit, min: 0, INPUT_DEVICE_ID_LED_MAX); |
796 | sprintf(s: alias + strlen(s: alias), format: "s*" ); |
797 | if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT) |
798 | do_input(alias, arr: *sndbit, min: 0, INPUT_DEVICE_ID_SND_MAX); |
799 | sprintf(s: alias + strlen(s: alias), format: "f*" ); |
800 | if (flags & INPUT_DEVICE_ID_MATCH_FFBIT) |
801 | do_input(alias, arr: *ffbit, min: 0, INPUT_DEVICE_ID_FF_MAX); |
802 | sprintf(s: alias + strlen(s: alias), format: "w*" ); |
803 | if (flags & INPUT_DEVICE_ID_MATCH_SWBIT) |
804 | do_input(alias, arr: *swbit, min: 0, INPUT_DEVICE_ID_SW_MAX); |
805 | return 1; |
806 | } |
807 | |
808 | static int do_eisa_entry(const char *filename, void *symval, |
809 | char *alias) |
810 | { |
811 | DEF_FIELD_ADDR(symval, eisa_device_id, sig); |
812 | if (sig[0]) |
813 | sprintf(s: alias, EISA_DEVICE_MODALIAS_FMT "*" , *sig); |
814 | else |
815 | strcat(dest: alias, src: "*" ); |
816 | return 1; |
817 | } |
818 | |
819 | /* Looks like: parisc:tNhvNrevNsvN */ |
820 | static int do_parisc_entry(const char *filename, void *symval, |
821 | char *alias) |
822 | { |
823 | DEF_FIELD(symval, parisc_device_id, hw_type); |
824 | DEF_FIELD(symval, parisc_device_id, hversion); |
825 | DEF_FIELD(symval, parisc_device_id, hversion_rev); |
826 | DEF_FIELD(symval, parisc_device_id, sversion); |
827 | |
828 | strcpy(dest: alias, src: "parisc:" ); |
829 | ADD(alias, "t" , hw_type != PA_HWTYPE_ANY_ID, hw_type); |
830 | ADD(alias, "hv" , hversion != PA_HVERSION_ANY_ID, hversion); |
831 | ADD(alias, "rev" , hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev); |
832 | ADD(alias, "sv" , sversion != PA_SVERSION_ANY_ID, sversion); |
833 | |
834 | add_wildcard(str: alias); |
835 | return 1; |
836 | } |
837 | |
838 | /* Looks like: sdio:cNvNdN. */ |
839 | static int do_sdio_entry(const char *filename, |
840 | void *symval, char *alias) |
841 | { |
842 | DEF_FIELD(symval, sdio_device_id, class); |
843 | DEF_FIELD(symval, sdio_device_id, vendor); |
844 | DEF_FIELD(symval, sdio_device_id, device); |
845 | |
846 | strcpy(dest: alias, src: "sdio:" ); |
847 | ADD(alias, "c" , class != (__u8)SDIO_ANY_ID, class); |
848 | ADD(alias, "v" , vendor != (__u16)SDIO_ANY_ID, vendor); |
849 | ADD(alias, "d" , device != (__u16)SDIO_ANY_ID, device); |
850 | add_wildcard(str: alias); |
851 | return 1; |
852 | } |
853 | |
854 | /* Looks like: ssb:vNidNrevN. */ |
855 | static int do_ssb_entry(const char *filename, |
856 | void *symval, char *alias) |
857 | { |
858 | DEF_FIELD(symval, ssb_device_id, vendor); |
859 | DEF_FIELD(symval, ssb_device_id, coreid); |
860 | DEF_FIELD(symval, ssb_device_id, revision); |
861 | |
862 | strcpy(dest: alias, src: "ssb:" ); |
863 | ADD(alias, "v" , vendor != SSB_ANY_VENDOR, vendor); |
864 | ADD(alias, "id" , coreid != SSB_ANY_ID, coreid); |
865 | ADD(alias, "rev" , revision != SSB_ANY_REV, revision); |
866 | add_wildcard(str: alias); |
867 | return 1; |
868 | } |
869 | |
870 | /* Looks like: bcma:mNidNrevNclN. */ |
871 | static int do_bcma_entry(const char *filename, |
872 | void *symval, char *alias) |
873 | { |
874 | DEF_FIELD(symval, bcma_device_id, manuf); |
875 | DEF_FIELD(symval, bcma_device_id, id); |
876 | DEF_FIELD(symval, bcma_device_id, rev); |
877 | DEF_FIELD(symval, bcma_device_id, class); |
878 | |
879 | strcpy(dest: alias, src: "bcma:" ); |
880 | ADD(alias, "m" , manuf != BCMA_ANY_MANUF, manuf); |
881 | ADD(alias, "id" , id != BCMA_ANY_ID, id); |
882 | ADD(alias, "rev" , rev != BCMA_ANY_REV, rev); |
883 | ADD(alias, "cl" , class != BCMA_ANY_CLASS, class); |
884 | add_wildcard(str: alias); |
885 | return 1; |
886 | } |
887 | |
888 | /* Looks like: virtio:dNvN */ |
889 | static int do_virtio_entry(const char *filename, void *symval, |
890 | char *alias) |
891 | { |
892 | DEF_FIELD(symval, virtio_device_id, device); |
893 | DEF_FIELD(symval, virtio_device_id, vendor); |
894 | |
895 | strcpy(dest: alias, src: "virtio:" ); |
896 | ADD(alias, "d" , device != VIRTIO_DEV_ANY_ID, device); |
897 | ADD(alias, "v" , vendor != VIRTIO_DEV_ANY_ID, vendor); |
898 | |
899 | add_wildcard(str: alias); |
900 | return 1; |
901 | } |
902 | |
903 | /* |
904 | * Looks like: vmbus:guid |
905 | * Each byte of the guid will be represented by two hex characters |
906 | * in the name. |
907 | */ |
908 | |
909 | static int do_vmbus_entry(const char *filename, void *symval, |
910 | char *alias) |
911 | { |
912 | int i; |
913 | DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid); |
914 | char guid_name[(sizeof(*guid) + 1) * 2]; |
915 | |
916 | for (i = 0; i < (sizeof(*guid) * 2); i += 2) |
917 | sprintf(s: &guid_name[i], format: "%02x" , TO_NATIVE((guid->b)[i/2])); |
918 | |
919 | strcpy(dest: alias, src: "vmbus:" ); |
920 | strcat(dest: alias, src: guid_name); |
921 | |
922 | return 1; |
923 | } |
924 | |
925 | /* Looks like: rpmsg:S */ |
926 | static int do_rpmsg_entry(const char *filename, void *symval, |
927 | char *alias) |
928 | { |
929 | DEF_FIELD_ADDR(symval, rpmsg_device_id, name); |
930 | sprintf(s: alias, RPMSG_DEVICE_MODALIAS_FMT, *name); |
931 | |
932 | return 1; |
933 | } |
934 | |
935 | /* Looks like: i2c:S */ |
936 | static int do_i2c_entry(const char *filename, void *symval, |
937 | char *alias) |
938 | { |
939 | DEF_FIELD_ADDR(symval, i2c_device_id, name); |
940 | sprintf(s: alias, I2C_MODULE_PREFIX "%s" , *name); |
941 | |
942 | return 1; |
943 | } |
944 | |
945 | static int do_i3c_entry(const char *filename, void *symval, |
946 | char *alias) |
947 | { |
948 | DEF_FIELD(symval, i3c_device_id, match_flags); |
949 | DEF_FIELD(symval, i3c_device_id, dcr); |
950 | DEF_FIELD(symval, i3c_device_id, manuf_id); |
951 | DEF_FIELD(symval, i3c_device_id, part_id); |
952 | DEF_FIELD(symval, i3c_device_id, ); |
953 | |
954 | strcpy(dest: alias, src: "i3c:" ); |
955 | ADD(alias, "dcr" , match_flags & I3C_MATCH_DCR, dcr); |
956 | ADD(alias, "manuf" , match_flags & I3C_MATCH_MANUF, manuf_id); |
957 | ADD(alias, "part" , match_flags & I3C_MATCH_PART, part_id); |
958 | ADD(alias, "ext" , match_flags & I3C_MATCH_EXTRA_INFO, extra_info); |
959 | |
960 | return 1; |
961 | } |
962 | |
963 | /* Looks like: spi:S */ |
964 | static int do_spi_entry(const char *filename, void *symval, |
965 | char *alias) |
966 | { |
967 | DEF_FIELD_ADDR(symval, spi_device_id, name); |
968 | sprintf(s: alias, SPI_MODULE_PREFIX "%s" , *name); |
969 | |
970 | return 1; |
971 | } |
972 | |
973 | static const struct dmifield { |
974 | const char *prefix; |
975 | int field; |
976 | } dmi_fields[] = { |
977 | { "bvn" , DMI_BIOS_VENDOR }, |
978 | { "bvr" , DMI_BIOS_VERSION }, |
979 | { "bd" , DMI_BIOS_DATE }, |
980 | { "br" , DMI_BIOS_RELEASE }, |
981 | { "efr" , DMI_EC_FIRMWARE_RELEASE }, |
982 | { "svn" , DMI_SYS_VENDOR }, |
983 | { "pn" , DMI_PRODUCT_NAME }, |
984 | { "pvr" , DMI_PRODUCT_VERSION }, |
985 | { "rvn" , DMI_BOARD_VENDOR }, |
986 | { "rn" , DMI_BOARD_NAME }, |
987 | { "rvr" , DMI_BOARD_VERSION }, |
988 | { "cvn" , DMI_CHASSIS_VENDOR }, |
989 | { "ct" , DMI_CHASSIS_TYPE }, |
990 | { "cvr" , DMI_CHASSIS_VERSION }, |
991 | { NULL, DMI_NONE } |
992 | }; |
993 | |
994 | static void dmi_ascii_filter(char *d, const char *s) |
995 | { |
996 | /* Filter out characters we don't want to see in the modalias string */ |
997 | for (; *s; s++) |
998 | if (*s > ' ' && *s < 127 && *s != ':') |
999 | *(d++) = *s; |
1000 | |
1001 | *d = 0; |
1002 | } |
1003 | |
1004 | |
1005 | static int do_dmi_entry(const char *filename, void *symval, |
1006 | char *alias) |
1007 | { |
1008 | int i, j; |
1009 | DEF_FIELD_ADDR(symval, dmi_system_id, matches); |
1010 | sprintf(s: alias, format: "dmi*" ); |
1011 | |
1012 | for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { |
1013 | for (j = 0; j < 4; j++) { |
1014 | if ((*matches)[j].slot && |
1015 | (*matches)[j].slot == dmi_fields[i].field) { |
1016 | sprintf(s: alias + strlen(s: alias), format: ":%s*" , |
1017 | dmi_fields[i].prefix); |
1018 | dmi_ascii_filter(d: alias + strlen(s: alias), |
1019 | s: (*matches)[j].substr); |
1020 | strcat(dest: alias, src: "*" ); |
1021 | } |
1022 | } |
1023 | } |
1024 | |
1025 | strcat(dest: alias, src: ":" ); |
1026 | return 1; |
1027 | } |
1028 | |
1029 | static int do_platform_entry(const char *filename, |
1030 | void *symval, char *alias) |
1031 | { |
1032 | DEF_FIELD_ADDR(symval, platform_device_id, name); |
1033 | sprintf(s: alias, PLATFORM_MODULE_PREFIX "%s" , *name); |
1034 | return 1; |
1035 | } |
1036 | |
1037 | static int do_mdio_entry(const char *filename, |
1038 | void *symval, char *alias) |
1039 | { |
1040 | int i; |
1041 | DEF_FIELD(symval, mdio_device_id, phy_id); |
1042 | DEF_FIELD(symval, mdio_device_id, phy_id_mask); |
1043 | |
1044 | alias += sprintf(s: alias, MDIO_MODULE_PREFIX); |
1045 | |
1046 | for (i = 0; i < 32; i++) { |
1047 | if (!((phy_id_mask >> (31-i)) & 1)) |
1048 | *(alias++) = '?'; |
1049 | else if ((phy_id >> (31-i)) & 1) |
1050 | *(alias++) = '1'; |
1051 | else |
1052 | *(alias++) = '0'; |
1053 | } |
1054 | |
1055 | /* Terminate the string */ |
1056 | *alias = 0; |
1057 | |
1058 | return 1; |
1059 | } |
1060 | |
1061 | /* Looks like: zorro:iN. */ |
1062 | static int do_zorro_entry(const char *filename, void *symval, |
1063 | char *alias) |
1064 | { |
1065 | DEF_FIELD(symval, zorro_device_id, id); |
1066 | strcpy(dest: alias, src: "zorro:" ); |
1067 | ADD(alias, "i" , id != ZORRO_WILDCARD, id); |
1068 | return 1; |
1069 | } |
1070 | |
1071 | /* looks like: "pnp:dD" */ |
1072 | static int do_isapnp_entry(const char *filename, |
1073 | void *symval, char *alias) |
1074 | { |
1075 | DEF_FIELD(symval, isapnp_device_id, vendor); |
1076 | DEF_FIELD(symval, isapnp_device_id, function); |
1077 | sprintf(s: alias, format: "pnp:d%c%c%c%x%x%x%x*" , |
1078 | 'A' + ((vendor >> 2) & 0x3f) - 1, |
1079 | 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, |
1080 | 'A' + ((vendor >> 8) & 0x1f) - 1, |
1081 | (function >> 4) & 0x0f, function & 0x0f, |
1082 | (function >> 12) & 0x0f, (function >> 8) & 0x0f); |
1083 | return 1; |
1084 | } |
1085 | |
1086 | /* Looks like: "ipack:fNvNdN". */ |
1087 | static int do_ipack_entry(const char *filename, |
1088 | void *symval, char *alias) |
1089 | { |
1090 | DEF_FIELD(symval, ipack_device_id, format); |
1091 | DEF_FIELD(symval, ipack_device_id, vendor); |
1092 | DEF_FIELD(symval, ipack_device_id, device); |
1093 | strcpy(dest: alias, src: "ipack:" ); |
1094 | ADD(alias, "f" , format != IPACK_ANY_FORMAT, format); |
1095 | ADD(alias, "v" , vendor != IPACK_ANY_ID, vendor); |
1096 | ADD(alias, "d" , device != IPACK_ANY_ID, device); |
1097 | add_wildcard(str: alias); |
1098 | return 1; |
1099 | } |
1100 | |
1101 | /* |
1102 | * Append a match expression for a single masked hex digit. |
1103 | * outp points to a pointer to the character at which to append. |
1104 | * *outp is updated on return to point just after the appended text, |
1105 | * to facilitate further appending. |
1106 | */ |
1107 | static void append_nibble_mask(char **outp, |
1108 | unsigned int nibble, unsigned int mask) |
1109 | { |
1110 | char *p = *outp; |
1111 | unsigned int i; |
1112 | |
1113 | switch (mask) { |
1114 | case 0: |
1115 | *p++ = '?'; |
1116 | break; |
1117 | |
1118 | case 0xf: |
1119 | p += sprintf(s: p, format: "%X" , nibble); |
1120 | break; |
1121 | |
1122 | default: |
1123 | /* |
1124 | * Dumbly emit a match pattern for all possible matching |
1125 | * digits. This could be improved in some cases using ranges, |
1126 | * but it has the advantage of being trivially correct, and is |
1127 | * often optimal. |
1128 | */ |
1129 | *p++ = '['; |
1130 | for (i = 0; i < 0x10; i++) |
1131 | if ((i & mask) == nibble) |
1132 | p += sprintf(s: p, format: "%X" , i); |
1133 | *p++ = ']'; |
1134 | } |
1135 | |
1136 | /* Ensure that the string remains NUL-terminated: */ |
1137 | *p = '\0'; |
1138 | |
1139 | /* Advance the caller's end-of-string pointer: */ |
1140 | *outp = p; |
1141 | } |
1142 | |
1143 | /* |
1144 | * looks like: "amba:dN" |
1145 | * |
1146 | * N is exactly 8 digits, where each is an upper-case hex digit, or |
1147 | * a ? or [] pattern matching exactly one digit. |
1148 | */ |
1149 | static int do_amba_entry(const char *filename, |
1150 | void *symval, char *alias) |
1151 | { |
1152 | unsigned int digit; |
1153 | char *p = alias; |
1154 | DEF_FIELD(symval, amba_id, id); |
1155 | DEF_FIELD(symval, amba_id, mask); |
1156 | |
1157 | if ((id & mask) != id) |
1158 | fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: id=0x%08X, mask=0x%08X. Please fix this driver.\n" , |
1159 | filename, id, mask); |
1160 | |
1161 | p += sprintf(s: alias, format: "amba:d" ); |
1162 | for (digit = 0; digit < 8; digit++) |
1163 | append_nibble_mask(outp: &p, |
1164 | nibble: (id >> (4 * (7 - digit))) & 0xf, |
1165 | mask: (mask >> (4 * (7 - digit))) & 0xf); |
1166 | |
1167 | return 1; |
1168 | } |
1169 | |
1170 | /* |
1171 | * looks like: "mipscdmm:tN" |
1172 | * |
1173 | * N is exactly 2 digits, where each is an upper-case hex digit, or |
1174 | * a ? or [] pattern matching exactly one digit. |
1175 | */ |
1176 | static int do_mips_cdmm_entry(const char *filename, |
1177 | void *symval, char *alias) |
1178 | { |
1179 | DEF_FIELD(symval, mips_cdmm_device_id, type); |
1180 | |
1181 | sprintf(s: alias, format: "mipscdmm:t%02X*" , type); |
1182 | return 1; |
1183 | } |
1184 | |
1185 | /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,* |
1186 | * All fields are numbers. It would be nicer to use strings for vendor |
1187 | * and feature, but getting those out of the build system here is too |
1188 | * complicated. |
1189 | */ |
1190 | |
1191 | static int do_x86cpu_entry(const char *filename, void *symval, |
1192 | char *alias) |
1193 | { |
1194 | DEF_FIELD(symval, x86_cpu_id, feature); |
1195 | DEF_FIELD(symval, x86_cpu_id, family); |
1196 | DEF_FIELD(symval, x86_cpu_id, model); |
1197 | DEF_FIELD(symval, x86_cpu_id, vendor); |
1198 | |
1199 | strcpy(dest: alias, src: "cpu:type:x86," ); |
1200 | ADD(alias, "ven" , vendor != X86_VENDOR_ANY, vendor); |
1201 | ADD(alias, "fam" , family != X86_FAMILY_ANY, family); |
1202 | ADD(alias, "mod" , model != X86_MODEL_ANY, model); |
1203 | strcat(dest: alias, src: ":feature:*" ); |
1204 | if (feature != X86_FEATURE_ANY) |
1205 | sprintf(s: alias + strlen(s: alias), format: "%04X*" , feature); |
1206 | return 1; |
1207 | } |
1208 | |
1209 | /* LOOKS like cpu:type:*:feature:*FEAT* */ |
1210 | static int do_cpu_entry(const char *filename, void *symval, char *alias) |
1211 | { |
1212 | DEF_FIELD(symval, cpu_feature, feature); |
1213 | |
1214 | sprintf(s: alias, format: "cpu:type:*:feature:*%04X*" , feature); |
1215 | return 1; |
1216 | } |
1217 | |
1218 | /* Looks like: mei:S:uuid:N:* */ |
1219 | static int do_mei_entry(const char *filename, void *symval, |
1220 | char *alias) |
1221 | { |
1222 | DEF_FIELD_ADDR(symval, mei_cl_device_id, name); |
1223 | DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid); |
1224 | DEF_FIELD(symval, mei_cl_device_id, version); |
1225 | |
1226 | sprintf(s: alias, MEI_CL_MODULE_PREFIX); |
1227 | sprintf(s: alias + strlen(s: alias), format: "%s:" , (*name)[0] ? *name : "*" ); |
1228 | add_uuid(str: alias, uuid: *uuid); |
1229 | ADD(alias, ":" , version != MEI_CL_VERSION_ANY, version); |
1230 | |
1231 | strcat(dest: alias, src: ":*" ); |
1232 | |
1233 | return 1; |
1234 | } |
1235 | |
1236 | /* Looks like: rapidio:vNdNavNadN */ |
1237 | static int do_rio_entry(const char *filename, |
1238 | void *symval, char *alias) |
1239 | { |
1240 | DEF_FIELD(symval, rio_device_id, did); |
1241 | DEF_FIELD(symval, rio_device_id, vid); |
1242 | DEF_FIELD(symval, rio_device_id, asm_did); |
1243 | DEF_FIELD(symval, rio_device_id, asm_vid); |
1244 | |
1245 | strcpy(dest: alias, src: "rapidio:" ); |
1246 | ADD(alias, "v" , vid != RIO_ANY_ID, vid); |
1247 | ADD(alias, "d" , did != RIO_ANY_ID, did); |
1248 | ADD(alias, "av" , asm_vid != RIO_ANY_ID, asm_vid); |
1249 | ADD(alias, "ad" , asm_did != RIO_ANY_ID, asm_did); |
1250 | |
1251 | add_wildcard(str: alias); |
1252 | return 1; |
1253 | } |
1254 | |
1255 | /* Looks like: ulpi:vNpN */ |
1256 | static int do_ulpi_entry(const char *filename, void *symval, |
1257 | char *alias) |
1258 | { |
1259 | DEF_FIELD(symval, ulpi_device_id, vendor); |
1260 | DEF_FIELD(symval, ulpi_device_id, product); |
1261 | |
1262 | sprintf(s: alias, format: "ulpi:v%04xp%04x" , vendor, product); |
1263 | |
1264 | return 1; |
1265 | } |
1266 | |
1267 | /* Looks like: hdaudio:vNrNaN */ |
1268 | static int do_hda_entry(const char *filename, void *symval, char *alias) |
1269 | { |
1270 | DEF_FIELD(symval, hda_device_id, vendor_id); |
1271 | DEF_FIELD(symval, hda_device_id, rev_id); |
1272 | DEF_FIELD(symval, hda_device_id, api_version); |
1273 | |
1274 | strcpy(dest: alias, src: "hdaudio:" ); |
1275 | ADD(alias, "v" , vendor_id != 0, vendor_id); |
1276 | ADD(alias, "r" , rev_id != 0, rev_id); |
1277 | ADD(alias, "a" , api_version != 0, api_version); |
1278 | |
1279 | add_wildcard(str: alias); |
1280 | return 1; |
1281 | } |
1282 | |
1283 | /* Looks like: sdw:mNpNvNcN */ |
1284 | static int do_sdw_entry(const char *filename, void *symval, char *alias) |
1285 | { |
1286 | DEF_FIELD(symval, sdw_device_id, mfg_id); |
1287 | DEF_FIELD(symval, sdw_device_id, part_id); |
1288 | DEF_FIELD(symval, sdw_device_id, sdw_version); |
1289 | DEF_FIELD(symval, sdw_device_id, class_id); |
1290 | |
1291 | strcpy(dest: alias, src: "sdw:" ); |
1292 | ADD(alias, "m" , mfg_id != 0, mfg_id); |
1293 | ADD(alias, "p" , part_id != 0, part_id); |
1294 | ADD(alias, "v" , sdw_version != 0, sdw_version); |
1295 | ADD(alias, "c" , class_id != 0, class_id); |
1296 | |
1297 | add_wildcard(str: alias); |
1298 | return 1; |
1299 | } |
1300 | |
1301 | /* Looks like: fsl-mc:vNdN */ |
1302 | static int do_fsl_mc_entry(const char *filename, void *symval, |
1303 | char *alias) |
1304 | { |
1305 | DEF_FIELD(symval, fsl_mc_device_id, vendor); |
1306 | DEF_FIELD_ADDR(symval, fsl_mc_device_id, obj_type); |
1307 | |
1308 | sprintf(s: alias, format: "fsl-mc:v%08Xd%s" , vendor, *obj_type); |
1309 | return 1; |
1310 | } |
1311 | |
1312 | /* Looks like: tbsvc:kSpNvNrN */ |
1313 | static int do_tbsvc_entry(const char *filename, void *symval, char *alias) |
1314 | { |
1315 | DEF_FIELD(symval, tb_service_id, match_flags); |
1316 | DEF_FIELD_ADDR(symval, tb_service_id, protocol_key); |
1317 | DEF_FIELD(symval, tb_service_id, protocol_id); |
1318 | DEF_FIELD(symval, tb_service_id, protocol_version); |
1319 | DEF_FIELD(symval, tb_service_id, protocol_revision); |
1320 | |
1321 | strcpy(dest: alias, src: "tbsvc:" ); |
1322 | if (match_flags & TBSVC_MATCH_PROTOCOL_KEY) |
1323 | sprintf(s: alias + strlen(s: alias), format: "k%s" , *protocol_key); |
1324 | else |
1325 | strcat(dest: alias + strlen(s: alias), src: "k*" ); |
1326 | ADD(alias, "p" , match_flags & TBSVC_MATCH_PROTOCOL_ID, protocol_id); |
1327 | ADD(alias, "v" , match_flags & TBSVC_MATCH_PROTOCOL_VERSION, |
1328 | protocol_version); |
1329 | ADD(alias, "r" , match_flags & TBSVC_MATCH_PROTOCOL_REVISION, |
1330 | protocol_revision); |
1331 | |
1332 | add_wildcard(str: alias); |
1333 | return 1; |
1334 | } |
1335 | |
1336 | /* Looks like: typec:idNmN */ |
1337 | static int do_typec_entry(const char *filename, void *symval, char *alias) |
1338 | { |
1339 | DEF_FIELD(symval, typec_device_id, svid); |
1340 | DEF_FIELD(symval, typec_device_id, mode); |
1341 | |
1342 | sprintf(s: alias, format: "typec:id%04X" , svid); |
1343 | ADD(alias, "m" , mode != TYPEC_ANY_MODE, mode); |
1344 | |
1345 | return 1; |
1346 | } |
1347 | |
1348 | /* Looks like: tee:uuid */ |
1349 | static int do_tee_entry(const char *filename, void *symval, char *alias) |
1350 | { |
1351 | DEF_FIELD_ADDR(symval, tee_client_device_id, uuid); |
1352 | |
1353 | sprintf(s: alias, format: "tee:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" , |
1354 | uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4], |
1355 | uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9], |
1356 | uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14], |
1357 | uuid->b[15]); |
1358 | |
1359 | add_wildcard(str: alias); |
1360 | return 1; |
1361 | } |
1362 | |
1363 | /* Looks like: wmi:guid */ |
1364 | static int do_wmi_entry(const char *filename, void *symval, char *alias) |
1365 | { |
1366 | int len; |
1367 | DEF_FIELD_ADDR(symval, wmi_device_id, guid_string); |
1368 | |
1369 | if (strlen(s: *guid_string) != UUID_STRING_LEN) { |
1370 | warn("Invalid WMI device id 'wmi:%s' in '%s'\n" , |
1371 | *guid_string, filename); |
1372 | return 0; |
1373 | } |
1374 | |
1375 | len = snprintf(s: alias, ALIAS_SIZE, WMI_MODULE_PREFIX "%s" , *guid_string); |
1376 | if (len < 0 || len >= ALIAS_SIZE) { |
1377 | warn("Could not generate all MODULE_ALIAS's in '%s'\n" , |
1378 | filename); |
1379 | return 0; |
1380 | } |
1381 | return 1; |
1382 | } |
1383 | |
1384 | /* Looks like: mhi:S */ |
1385 | static int do_mhi_entry(const char *filename, void *symval, char *alias) |
1386 | { |
1387 | DEF_FIELD_ADDR(symval, mhi_device_id, chan); |
1388 | sprintf(s: alias, MHI_DEVICE_MODALIAS_FMT, *chan); |
1389 | return 1; |
1390 | } |
1391 | |
1392 | /* Looks like: mhi_ep:S */ |
1393 | static int do_mhi_ep_entry(const char *filename, void *symval, char *alias) |
1394 | { |
1395 | DEF_FIELD_ADDR(symval, mhi_device_id, chan); |
1396 | sprintf(s: alias, MHI_EP_DEVICE_MODALIAS_FMT, *chan); |
1397 | |
1398 | return 1; |
1399 | } |
1400 | |
1401 | /* Looks like: ishtp:{guid} */ |
1402 | static int do_ishtp_entry(const char *filename, void *symval, char *alias) |
1403 | { |
1404 | DEF_FIELD_ADDR(symval, ishtp_device_id, guid); |
1405 | |
1406 | strcpy(dest: alias, ISHTP_MODULE_PREFIX "{" ); |
1407 | add_guid(str: alias, guid: *guid); |
1408 | strcat(dest: alias, src: "}" ); |
1409 | |
1410 | return 1; |
1411 | } |
1412 | |
1413 | static int do_auxiliary_entry(const char *filename, void *symval, char *alias) |
1414 | { |
1415 | DEF_FIELD_ADDR(symval, auxiliary_device_id, name); |
1416 | sprintf(s: alias, AUXILIARY_MODULE_PREFIX "%s" , *name); |
1417 | |
1418 | return 1; |
1419 | } |
1420 | |
1421 | /* |
1422 | * Looks like: ssam:dNcNtNiNfN |
1423 | * |
1424 | * N is exactly 2 digits, where each is an upper-case hex digit. |
1425 | */ |
1426 | static int do_ssam_entry(const char *filename, void *symval, char *alias) |
1427 | { |
1428 | DEF_FIELD(symval, ssam_device_id, match_flags); |
1429 | DEF_FIELD(symval, ssam_device_id, domain); |
1430 | DEF_FIELD(symval, ssam_device_id, category); |
1431 | DEF_FIELD(symval, ssam_device_id, target); |
1432 | DEF_FIELD(symval, ssam_device_id, instance); |
1433 | DEF_FIELD(symval, ssam_device_id, function); |
1434 | |
1435 | sprintf(s: alias, format: "ssam:d%02Xc%02X" , domain, category); |
1436 | ADD(alias, "t" , match_flags & SSAM_MATCH_TARGET, target); |
1437 | ADD(alias, "i" , match_flags & SSAM_MATCH_INSTANCE, instance); |
1438 | ADD(alias, "f" , match_flags & SSAM_MATCH_FUNCTION, function); |
1439 | |
1440 | return 1; |
1441 | } |
1442 | |
1443 | /* Looks like: dfl:tNfN */ |
1444 | static int do_dfl_entry(const char *filename, void *symval, char *alias) |
1445 | { |
1446 | DEF_FIELD(symval, dfl_device_id, type); |
1447 | DEF_FIELD(symval, dfl_device_id, feature_id); |
1448 | |
1449 | sprintf(s: alias, format: "dfl:t%04Xf%04X" , type, feature_id); |
1450 | |
1451 | add_wildcard(str: alias); |
1452 | return 1; |
1453 | } |
1454 | |
1455 | /* Looks like: cdx:vNdN */ |
1456 | static int do_cdx_entry(const char *filename, void *symval, |
1457 | char *alias) |
1458 | { |
1459 | DEF_FIELD(symval, cdx_device_id, vendor); |
1460 | DEF_FIELD(symval, cdx_device_id, device); |
1461 | DEF_FIELD(symval, cdx_device_id, subvendor); |
1462 | DEF_FIELD(symval, cdx_device_id, subdevice); |
1463 | DEF_FIELD(symval, cdx_device_id, class); |
1464 | DEF_FIELD(symval, cdx_device_id, class_mask); |
1465 | DEF_FIELD(symval, cdx_device_id, override_only); |
1466 | |
1467 | switch (override_only) { |
1468 | case 0: |
1469 | strcpy(dest: alias, src: "cdx:" ); |
1470 | break; |
1471 | case CDX_ID_F_VFIO_DRIVER_OVERRIDE: |
1472 | strcpy(dest: alias, src: "vfio_cdx:" ); |
1473 | break; |
1474 | default: |
1475 | warn("Unknown CDX driver_override alias %08X\n" , |
1476 | override_only); |
1477 | return 0; |
1478 | } |
1479 | |
1480 | ADD(alias, "v" , vendor != CDX_ANY_ID, vendor); |
1481 | ADD(alias, "d" , device != CDX_ANY_ID, device); |
1482 | ADD(alias, "sv" , subvendor != CDX_ANY_ID, subvendor); |
1483 | ADD(alias, "sd" , subdevice != CDX_ANY_ID, subdevice); |
1484 | ADD(alias, "c" , class_mask == 0xFFFFFF, class); |
1485 | |
1486 | return 1; |
1487 | } |
1488 | |
1489 | static int do_vchiq_entry(const char *filename, void *symval, char *alias) |
1490 | { |
1491 | DEF_FIELD_ADDR(symval, vchiq_device_id, name); |
1492 | sprintf(s: alias, format: "vchiq:%s" , *name); |
1493 | |
1494 | return 1; |
1495 | } |
1496 | |
1497 | /* Does namelen bytes of name exactly match the symbol? */ |
1498 | static bool sym_is(const char *name, unsigned namelen, const char *symbol) |
1499 | { |
1500 | if (namelen != strlen(s: symbol)) |
1501 | return false; |
1502 | |
1503 | return memcmp(s1: name, s2: symbol, n: namelen) == 0; |
1504 | } |
1505 | |
1506 | static void do_table(void *symval, unsigned long size, |
1507 | unsigned long id_size, |
1508 | const char *device_id, |
1509 | int (*do_entry)(const char *filename, void *symval, char *alias), |
1510 | struct module *mod) |
1511 | { |
1512 | unsigned int i; |
1513 | char alias[ALIAS_SIZE]; |
1514 | |
1515 | device_id_check(modname: mod->name, device_id, size, id_size, symval); |
1516 | /* Leave last one: it's the terminator. */ |
1517 | size -= id_size; |
1518 | |
1519 | for (i = 0; i < size; i += id_size) { |
1520 | if (do_entry(mod->name, symval+i, alias)) { |
1521 | buf_printf(buf: &mod->dev_table_buf, |
1522 | fmt: "MODULE_ALIAS(\"%s\");\n" , alias); |
1523 | } |
1524 | } |
1525 | } |
1526 | |
1527 | static const struct devtable devtable[] = { |
1528 | {"hid" , SIZE_hid_device_id, do_hid_entry}, |
1529 | {"ieee1394" , SIZE_ieee1394_device_id, do_ieee1394_entry}, |
1530 | {"pci" , SIZE_pci_device_id, do_pci_entry}, |
1531 | {"ccw" , SIZE_ccw_device_id, do_ccw_entry}, |
1532 | {"ap" , SIZE_ap_device_id, do_ap_entry}, |
1533 | {"css" , SIZE_css_device_id, do_css_entry}, |
1534 | {"serio" , SIZE_serio_device_id, do_serio_entry}, |
1535 | {"acpi" , SIZE_acpi_device_id, do_acpi_entry}, |
1536 | {"pcmcia" , SIZE_pcmcia_device_id, do_pcmcia_entry}, |
1537 | {"vio" , SIZE_vio_device_id, do_vio_entry}, |
1538 | {"input" , SIZE_input_device_id, do_input_entry}, |
1539 | {"eisa" , SIZE_eisa_device_id, do_eisa_entry}, |
1540 | {"parisc" , SIZE_parisc_device_id, do_parisc_entry}, |
1541 | {"sdio" , SIZE_sdio_device_id, do_sdio_entry}, |
1542 | {"ssb" , SIZE_ssb_device_id, do_ssb_entry}, |
1543 | {"bcma" , SIZE_bcma_device_id, do_bcma_entry}, |
1544 | {"virtio" , SIZE_virtio_device_id, do_virtio_entry}, |
1545 | {"vmbus" , SIZE_hv_vmbus_device_id, do_vmbus_entry}, |
1546 | {"rpmsg" , SIZE_rpmsg_device_id, do_rpmsg_entry}, |
1547 | {"i2c" , SIZE_i2c_device_id, do_i2c_entry}, |
1548 | {"i3c" , SIZE_i3c_device_id, do_i3c_entry}, |
1549 | {"spi" , SIZE_spi_device_id, do_spi_entry}, |
1550 | {"dmi" , SIZE_dmi_system_id, do_dmi_entry}, |
1551 | {"platform" , SIZE_platform_device_id, do_platform_entry}, |
1552 | {"mdio" , SIZE_mdio_device_id, do_mdio_entry}, |
1553 | {"zorro" , SIZE_zorro_device_id, do_zorro_entry}, |
1554 | {"isapnp" , SIZE_isapnp_device_id, do_isapnp_entry}, |
1555 | {"ipack" , SIZE_ipack_device_id, do_ipack_entry}, |
1556 | {"amba" , SIZE_amba_id, do_amba_entry}, |
1557 | {"mipscdmm" , SIZE_mips_cdmm_device_id, do_mips_cdmm_entry}, |
1558 | {"x86cpu" , SIZE_x86_cpu_id, do_x86cpu_entry}, |
1559 | {"cpu" , SIZE_cpu_feature, do_cpu_entry}, |
1560 | {"mei" , SIZE_mei_cl_device_id, do_mei_entry}, |
1561 | {"rapidio" , SIZE_rio_device_id, do_rio_entry}, |
1562 | {"ulpi" , SIZE_ulpi_device_id, do_ulpi_entry}, |
1563 | {"hdaudio" , SIZE_hda_device_id, do_hda_entry}, |
1564 | {"sdw" , SIZE_sdw_device_id, do_sdw_entry}, |
1565 | {"fslmc" , SIZE_fsl_mc_device_id, do_fsl_mc_entry}, |
1566 | {"tbsvc" , SIZE_tb_service_id, do_tbsvc_entry}, |
1567 | {"typec" , SIZE_typec_device_id, do_typec_entry}, |
1568 | {"tee" , SIZE_tee_client_device_id, do_tee_entry}, |
1569 | {"wmi" , SIZE_wmi_device_id, do_wmi_entry}, |
1570 | {"mhi" , SIZE_mhi_device_id, do_mhi_entry}, |
1571 | {"mhi_ep" , SIZE_mhi_device_id, do_mhi_ep_entry}, |
1572 | {"auxiliary" , SIZE_auxiliary_device_id, do_auxiliary_entry}, |
1573 | {"ssam" , SIZE_ssam_device_id, do_ssam_entry}, |
1574 | {"dfl" , SIZE_dfl_device_id, do_dfl_entry}, |
1575 | {"ishtp" , SIZE_ishtp_device_id, do_ishtp_entry}, |
1576 | {"cdx" , SIZE_cdx_device_id, do_cdx_entry}, |
1577 | {"vchiq" , SIZE_vchiq_device_id, do_vchiq_entry}, |
1578 | }; |
1579 | |
1580 | /* Create MODULE_ALIAS() statements. |
1581 | * At this time, we cannot write the actual output C source yet, |
1582 | * so we write into the mod->dev_table_buf buffer. */ |
1583 | void handle_moddevtable(struct module *mod, struct elf_info *info, |
1584 | Elf_Sym *sym, const char *symname) |
1585 | { |
1586 | void *symval; |
1587 | char *zeros = NULL; |
1588 | const char *name, *identifier; |
1589 | unsigned int namelen; |
1590 | |
1591 | /* We're looking for a section relative symbol */ |
1592 | if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) |
1593 | return; |
1594 | |
1595 | /* We're looking for an object */ |
1596 | if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) |
1597 | return; |
1598 | |
1599 | /* All our symbols are of form __mod_<name>__<identifier>_device_table. */ |
1600 | if (strncmp(s1: symname, s2: "__mod_" , n: strlen(s: "__mod_" ))) |
1601 | return; |
1602 | name = symname + strlen(s: "__mod_" ); |
1603 | namelen = strlen(s: name); |
1604 | if (namelen < strlen(s: "_device_table" )) |
1605 | return; |
1606 | if (strcmp(s1: name + namelen - strlen(s: "_device_table" ), s2: "_device_table" )) |
1607 | return; |
1608 | identifier = strstr(haystack: name, needle: "__" ); |
1609 | if (!identifier) |
1610 | return; |
1611 | namelen = identifier - name; |
1612 | |
1613 | /* Handle all-NULL symbols allocated into .bss */ |
1614 | if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { |
1615 | zeros = calloc(nmemb: 1, size: sym->st_size); |
1616 | symval = zeros; |
1617 | } else { |
1618 | symval = sym_get_data(info, sym); |
1619 | } |
1620 | |
1621 | /* First handle the "special" cases */ |
1622 | if (sym_is(name, namelen, symbol: "usb" )) |
1623 | do_usb_table(symval, size: sym->st_size, mod); |
1624 | else if (sym_is(name, namelen, symbol: "of" )) |
1625 | do_of_table(symval, size: sym->st_size, mod); |
1626 | else if (sym_is(name, namelen, symbol: "pnp" )) |
1627 | do_pnp_device_entry(symval, size: sym->st_size, mod); |
1628 | else if (sym_is(name, namelen, symbol: "pnp_card" )) |
1629 | do_pnp_card_entries(symval, size: sym->st_size, mod); |
1630 | else { |
1631 | int i; |
1632 | |
1633 | for (i = 0; i < ARRAY_SIZE(devtable); i++) { |
1634 | const struct devtable *p = &devtable[i]; |
1635 | |
1636 | if (sym_is(name, namelen, symbol: p->device_id)) { |
1637 | do_table(symval, size: sym->st_size, id_size: p->id_size, |
1638 | device_id: p->device_id, do_entry: p->do_entry, mod); |
1639 | break; |
1640 | } |
1641 | } |
1642 | } |
1643 | free(ptr: zeros); |
1644 | } |
1645 | |
1646 | /* Now add out buffered information to the generated C source */ |
1647 | void add_moddevtable(struct buffer *buf, struct module *mod) |
1648 | { |
1649 | buf_printf(buf, fmt: "\n" ); |
1650 | buf_write(buf, s: mod->dev_table_buf.p, len: mod->dev_table_buf.pos); |
1651 | free(ptr: mod->dev_table_buf.p); |
1652 | } |
1653 | |