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; | |
37 | ||
38 | /* Big exception to the "don't include kernel headers into userspace, which | |
62070fa4 | 39 | * even potentially has different endianness and word sizes, since |
1da177e4 LT |
40 | * we handle those differences explicitly below */ |
41 | #include "../../include/linux/mod_devicetable.h" | |
42 | ||
e49ce141 RR |
43 | /* This array collects all instances that use the generic do_table */ |
44 | struct devtable { | |
21bdd17b | 45 | const char *device_id; /* name of table, __mod_<name>__*_device_table. */ |
e49ce141 RR |
46 | unsigned long id_size; |
47 | void *function; | |
48 | }; | |
49 | ||
dd2a3aca AB |
50 | #define ___cat(a,b) a ## b |
51 | #define __cat(a,b) ___cat(a,b) | |
52 | ||
53 | /* we need some special handling for this host tool running eventually on | |
54 | * Darwin. The Mach-O section handling is a bit different than ELF section | |
55 | * handling. The differnces in detail are: | |
56 | * a) we have segments which have sections | |
57 | * b) we need a API call to get the respective section symbols */ | |
58 | #if defined(__MACH__) | |
59 | #include <mach-o/getsect.h> | |
60 | ||
61 | #define INIT_SECTION(name) do { \ | |
62 | unsigned long name ## _len; \ | |
63 | char *__cat(pstart_,name) = getsectdata("__TEXT", \ | |
64 | #name, &__cat(name,_len)); \ | |
65 | char *__cat(pstop_,name) = __cat(pstart_,name) + \ | |
66 | __cat(name, _len); \ | |
67 | __cat(__start_,name) = (void *)__cat(pstart_,name); \ | |
68 | __cat(__stop_,name) = (void *)__cat(pstop_,name); \ | |
69 | } while (0) | |
70 | #define SECTION(name) __attribute__((section("__TEXT, " #name))) | |
71 | ||
72 | struct devtable **__start___devtable, **__stop___devtable; | |
73 | #else | |
74 | #define INIT_SECTION(name) /* no-op for ELF */ | |
75 | #define SECTION(name) __attribute__((section(#name))) | |
76 | ||
e49ce141 RR |
77 | /* We construct a table of pointers in an ELF section (pointers generally |
78 | * go unpadded by gcc). ld creates boundary syms for us. */ | |
79 | extern struct devtable *__start___devtable[], *__stop___devtable[]; | |
dd2a3aca | 80 | #endif /* __MACH__ */ |
e49ce141 | 81 | |
04130cc9 DT |
82 | #if !defined(__used) |
83 | # if __GNUC__ == 3 && __GNUC_MINOR__ < 3 | |
84 | # define __used __attribute__((__unused__)) | |
85 | # else | |
86 | # define __used __attribute__((__used__)) | |
87 | # endif | |
e49ce141 RR |
88 | #endif |
89 | ||
6543becf AS |
90 | /* Define a variable f that holds the value of field f of struct devid |
91 | * based at address m. | |
92 | */ | |
93 | #define DEF_FIELD(m, devid, f) \ | |
94 | typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) | |
95 | /* Define a variable f that holds the address of field f of struct devid | |
96 | * based at address m. Due to the way typeof works, for a field of type | |
97 | * T[N] the variable has type T(*)[N], _not_ T*. | |
98 | */ | |
99 | #define DEF_FIELD_ADDR(m, devid, f) \ | |
100 | typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f) | |
101 | ||
e49ce141 RR |
102 | /* Add a table entry. We test function type matches while we're here. */ |
103 | #define ADD_TO_DEVTABLE(device_id, type, function) \ | |
104 | static struct devtable __cat(devtable,__LINE__) = { \ | |
105 | device_id + 0*sizeof((function)((const char *)NULL, \ | |
6543becf | 106 | (void *)NULL, \ |
e49ce141 | 107 | (char *)NULL)), \ |
6543becf | 108 | SIZE_##type, (function) }; \ |
dd2a3aca AB |
109 | static struct devtable *SECTION(__devtable) __used \ |
110 | __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__) | |
e49ce141 | 111 | |
1da177e4 LT |
112 | #define ADD(str, sep, cond, field) \ |
113 | do { \ | |
114 | strcat(str, sep); \ | |
115 | if (cond) \ | |
116 | sprintf(str + strlen(str), \ | |
117 | sizeof(field) == 1 ? "%02X" : \ | |
118 | sizeof(field) == 2 ? "%04X" : \ | |
119 | sizeof(field) == 4 ? "%08X" : "", \ | |
120 | field); \ | |
121 | else \ | |
122 | sprintf(str + strlen(str), "*"); \ | |
123 | } while(0) | |
124 | ||
ac551828 JD |
125 | /* Always end in a wildcard, for future extension */ |
126 | static inline void add_wildcard(char *str) | |
127 | { | |
128 | int len = strlen(str); | |
129 | ||
130 | if (str[len - 1] != '*') | |
131 | strcat(str + len, "*"); | |
132 | } | |
133 | ||
fb33d816 SR |
134 | /** |
135 | * Check that sizeof(device_id type) are consistent with size of section | |
136 | * in .o file. If in-consistent then userspace and kernel does not agree | |
137 | * on actual size which is a bug. | |
e0049825 | 138 | * Also verify that the final entry in the table is all zeros. |
4ce6efed | 139 | * Ignore both checks if build host differ from target host and size differs. |
fb33d816 | 140 | **/ |
e0049825 KC |
141 | static void device_id_check(const char *modname, const char *device_id, |
142 | unsigned long size, unsigned long id_size, | |
143 | void *symval) | |
fb33d816 | 144 | { |
e0049825 KC |
145 | int i; |
146 | ||
fb33d816 SR |
147 | if (size % id_size || size < id_size) { |
148 | fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " | |
21bdd17b TG |
149 | "of the size of " |
150 | "section __mod_%s__<identifier>_device_table=%lu.\n" | |
fb33d816 SR |
151 | "Fix definition of struct %s_device_id " |
152 | "in mod_devicetable.h\n", | |
153 | modname, device_id, id_size, device_id, size, device_id); | |
154 | } | |
e0049825 KC |
155 | /* Verify last one is a terminator */ |
156 | for (i = 0; i < id_size; i++ ) { | |
157 | if (*(uint8_t*)(symval+size-id_size+i)) { | |
158 | fprintf(stderr,"%s: struct %s_device_id is %lu bytes. " | |
159 | "The last of %lu is:\n", | |
160 | modname, device_id, id_size, size / id_size); | |
161 | for (i = 0; i < id_size; i++ ) | |
162 | fprintf(stderr,"0x%02x ", | |
163 | *(uint8_t*)(symval+size-id_size+i) ); | |
164 | fprintf(stderr,"\n"); | |
165 | fatal("%s: struct %s_device_id is not terminated " | |
166 | "with a NULL entry!\n", modname, device_id); | |
167 | } | |
168 | } | |
fb33d816 SR |
169 | } |
170 | ||
b19dcd93 | 171 | /* USB is special because the bcdDevice can be matched against a numeric range */ |
81df2d59 | 172 | /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ |
6543becf | 173 | static void do_usb_entry(void *symval, |
b19dcd93 RK |
174 | unsigned int bcdDevice_initial, int bcdDevice_initial_digits, |
175 | unsigned char range_lo, unsigned char range_hi, | |
afe2dab4 | 176 | unsigned char max, struct module *mod) |
1da177e4 | 177 | { |
b19dcd93 | 178 | char alias[500]; |
6543becf AS |
179 | DEF_FIELD(symval, usb_device_id, match_flags); |
180 | DEF_FIELD(symval, usb_device_id, idVendor); | |
181 | DEF_FIELD(symval, usb_device_id, idProduct); | |
182 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
183 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
184 | DEF_FIELD(symval, usb_device_id, bDeviceSubClass); | |
185 | DEF_FIELD(symval, usb_device_id, bDeviceProtocol); | |
186 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
187 | DEF_FIELD(symval, usb_device_id, bInterfaceSubClass); | |
188 | DEF_FIELD(symval, usb_device_id, bInterfaceProtocol); | |
189 | DEF_FIELD(symval, usb_device_id, bInterfaceNumber); | |
190 | ||
1da177e4 | 191 | strcpy(alias, "usb:"); |
6543becf AS |
192 | ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR, |
193 | idVendor); | |
194 | ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT, | |
195 | idProduct); | |
b19dcd93 RK |
196 | |
197 | strcat(alias, "d"); | |
198 | if (bcdDevice_initial_digits) | |
199 | sprintf(alias + strlen(alias), "%0*X", | |
200 | bcdDevice_initial_digits, bcdDevice_initial); | |
201 | if (range_lo == range_hi) | |
afe2dab4 NM |
202 | sprintf(alias + strlen(alias), "%X", range_lo); |
203 | else if (range_lo > 0 || range_hi < max) { | |
204 | if (range_lo > 0x9 || range_hi < 0xA) | |
205 | sprintf(alias + strlen(alias), | |
206 | "[%X-%X]", | |
207 | range_lo, | |
208 | range_hi); | |
209 | else { | |
210 | sprintf(alias + strlen(alias), | |
211 | range_lo < 0x9 ? "[%X-9" : "[%X", | |
212 | range_lo); | |
213 | sprintf(alias + strlen(alias), | |
03b56329 JMM |
214 | range_hi > 0xA ? "A-%X]" : "%X]", |
215 | range_hi); | |
afe2dab4 NM |
216 | } |
217 | } | |
6543becf | 218 | if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1)) |
b19dcd93 RK |
219 | strcat(alias, "*"); |
220 | ||
6543becf AS |
221 | ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS, |
222 | bDeviceClass); | |
223 | ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS, | |
224 | bDeviceSubClass); | |
225 | ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL, | |
226 | bDeviceProtocol); | |
227 | ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS, | |
228 | bInterfaceClass); | |
229 | ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS, | |
230 | bInterfaceSubClass); | |
231 | ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL, | |
232 | bInterfaceProtocol); | |
233 | ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER, | |
234 | bInterfaceNumber); | |
b19dcd93 | 235 | |
ac551828 | 236 | add_wildcard(alias); |
b19dcd93 RK |
237 | buf_printf(&mod->dev_table_buf, |
238 | "MODULE_ALIAS(\"%s\");\n", alias); | |
239 | } | |
240 | ||
55f49f26 NM |
241 | /* Handles increment/decrement of BCD formatted integers */ |
242 | /* Returns the previous value, so it works like i++ or i-- */ | |
243 | static unsigned int incbcd(unsigned int *bcd, | |
244 | int inc, | |
245 | unsigned char max, | |
246 | size_t chars) | |
247 | { | |
248 | unsigned int init = *bcd, i, j; | |
249 | unsigned long long c, dec = 0; | |
250 | ||
251 | /* If bcd is not in BCD format, just increment */ | |
252 | if (max > 0x9) { | |
253 | *bcd += inc; | |
254 | return init; | |
255 | } | |
256 | ||
257 | /* Convert BCD to Decimal */ | |
258 | for (i=0 ; i < chars ; i++) { | |
259 | c = (*bcd >> (i << 2)) & 0xf; | |
260 | c = c > 9 ? 9 : c; /* force to bcd just in case */ | |
261 | for (j=0 ; j < i ; j++) | |
262 | c = c * 10; | |
263 | dec += c; | |
264 | } | |
265 | ||
266 | /* Do our increment/decrement */ | |
267 | dec += inc; | |
268 | *bcd = 0; | |
269 | ||
270 | /* Convert back to BCD */ | |
271 | for (i=0 ; i < chars ; i++) { | |
272 | for (c=1,j=0 ; j < i ; j++) | |
273 | c = c * 10; | |
274 | c = (dec / c) % 10; | |
275 | *bcd += c << (i << 2); | |
276 | } | |
277 | return init; | |
278 | } | |
279 | ||
6543becf | 280 | static void do_usb_entry_multi(void *symval, struct module *mod) |
b19dcd93 RK |
281 | { |
282 | unsigned int devlo, devhi; | |
afe2dab4 | 283 | unsigned char chi, clo, max; |
b19dcd93 RK |
284 | int ndigits; |
285 | ||
6543becf AS |
286 | DEF_FIELD(symval, usb_device_id, match_flags); |
287 | DEF_FIELD(symval, usb_device_id, idVendor); | |
288 | DEF_FIELD(symval, usb_device_id, idProduct); | |
289 | DEF_FIELD(symval, usb_device_id, bcdDevice_lo); | |
290 | DEF_FIELD(symval, usb_device_id, bcdDevice_hi); | |
291 | DEF_FIELD(symval, usb_device_id, bDeviceClass); | |
292 | DEF_FIELD(symval, usb_device_id, bInterfaceClass); | |
b19dcd93 | 293 | |
6543becf AS |
294 | devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ? |
295 | bcdDevice_lo : 0x0U; | |
296 | devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ? | |
297 | bcdDevice_hi : ~0x0U; | |
b19dcd93 | 298 | |
afe2dab4 NM |
299 | /* Figure out if this entry is in bcd or hex format */ |
300 | max = 0x9; /* Default to decimal format */ | |
6543becf | 301 | for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) { |
afe2dab4 NM |
302 | clo = (devlo >> (ndigits << 2)) & 0xf; |
303 | chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf; | |
304 | if (clo > max || chi > max) { | |
305 | max = 0xf; | |
306 | break; | |
307 | } | |
308 | } | |
309 | ||
b19dcd93 RK |
310 | /* |
311 | * Some modules (visor) have empty slots as placeholder for | |
312 | * run-time specification that results in catch-all alias | |
313 | */ | |
6543becf | 314 | if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass)) |
b19dcd93 RK |
315 | return; |
316 | ||
317 | /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */ | |
6543becf | 318 | for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) { |
b19dcd93 RK |
319 | clo = devlo & 0xf; |
320 | chi = devhi & 0xf; | |
afe2dab4 NM |
321 | if (chi > max) /* If we are in bcd mode, truncate if necessary */ |
322 | chi = max; | |
b19dcd93 RK |
323 | devlo >>= 4; |
324 | devhi >>= 4; | |
325 | ||
326 | if (devlo == devhi || !ndigits) { | |
6543becf | 327 | do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod); |
b19dcd93 RK |
328 | break; |
329 | } | |
330 | ||
afe2dab4 | 331 | if (clo > 0x0) |
6543becf | 332 | do_usb_entry(symval, |
55f49f26 | 333 | incbcd(&devlo, 1, max, |
6543becf | 334 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 335 | ndigits, clo, max, max, mod); |
b19dcd93 | 336 | |
afe2dab4 | 337 | if (chi < max) |
6543becf | 338 | do_usb_entry(symval, |
55f49f26 | 339 | incbcd(&devhi, -1, max, |
6543becf | 340 | sizeof(bcdDevice_lo) * 2), |
55f49f26 | 341 | ndigits, 0x0, chi, max, mod); |
b19dcd93 RK |
342 | } |
343 | } | |
344 | ||
345 | static void do_usb_table(void *symval, unsigned long size, | |
346 | struct module *mod) | |
347 | { | |
348 | unsigned int i; | |
6543becf | 349 | const unsigned long id_size = SIZE_usb_device_id; |
b19dcd93 | 350 | |
e0049825 | 351 | device_id_check(mod->name, "usb", size, id_size, symval); |
fb33d816 | 352 | |
b19dcd93 RK |
353 | /* Leave last one: it's the terminator. */ |
354 | size -= id_size; | |
355 | ||
356 | for (i = 0; i < size; i += id_size) | |
357 | do_usb_entry_multi(symval + i, mod); | |
1da177e4 LT |
358 | } |
359 | ||
e8c84f9a JS |
360 | /* Looks like: hid:bNvNpN */ |
361 | static int do_hid_entry(const char *filename, | |
6543becf | 362 | void *symval, char *alias) |
e8c84f9a | 363 | { |
6543becf AS |
364 | DEF_FIELD(symval, hid_device_id, bus); |
365 | DEF_FIELD(symval, hid_device_id, group); | |
366 | DEF_FIELD(symval, hid_device_id, vendor); | |
367 | DEF_FIELD(symval, hid_device_id, product); | |
e8c84f9a | 368 | |
7431fb76 | 369 | sprintf(alias, "hid:"); |
6543becf AS |
370 | ADD(alias, "b", bus != HID_BUS_ANY, bus); |
371 | ADD(alias, "g", group != HID_GROUP_ANY, group); | |
372 | ADD(alias, "v", vendor != HID_ANY_ID, vendor); | |
373 | ADD(alias, "p", product != HID_ANY_ID, product); | |
e8c84f9a JS |
374 | |
375 | return 1; | |
376 | } | |
6543becf | 377 | ADD_TO_DEVTABLE("hid", hid_device_id, do_hid_entry); |
e8c84f9a | 378 | |
1da177e4 LT |
379 | /* Looks like: ieee1394:venNmoNspNverN */ |
380 | static int do_ieee1394_entry(const char *filename, | |
6543becf | 381 | void *symval, char *alias) |
1da177e4 | 382 | { |
6543becf AS |
383 | DEF_FIELD(symval, ieee1394_device_id, match_flags); |
384 | DEF_FIELD(symval, ieee1394_device_id, vendor_id); | |
385 | DEF_FIELD(symval, ieee1394_device_id, model_id); | |
386 | DEF_FIELD(symval, ieee1394_device_id, specifier_id); | |
387 | DEF_FIELD(symval, ieee1394_device_id, version); | |
1da177e4 LT |
388 | |
389 | strcpy(alias, "ieee1394:"); | |
6543becf AS |
390 | ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID, |
391 | vendor_id); | |
392 | ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID, | |
393 | model_id); | |
394 | ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID, | |
395 | specifier_id); | |
396 | ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION, | |
397 | version); | |
1da177e4 | 398 | |
ac551828 | 399 | add_wildcard(alias); |
1da177e4 LT |
400 | return 1; |
401 | } | |
6543becf | 402 | ADD_TO_DEVTABLE("ieee1394", ieee1394_device_id, do_ieee1394_entry); |
1da177e4 LT |
403 | |
404 | /* Looks like: pci:vNdNsvNsdNbcNscNiN. */ | |
405 | static int do_pci_entry(const char *filename, | |
6543becf | 406 | void *symval, char *alias) |
1da177e4 LT |
407 | { |
408 | /* Class field can be divided into these three. */ | |
409 | unsigned char baseclass, subclass, interface, | |
410 | baseclass_mask, subclass_mask, interface_mask; | |
411 | ||
6543becf AS |
412 | DEF_FIELD(symval, pci_device_id, vendor); |
413 | DEF_FIELD(symval, pci_device_id, device); | |
414 | DEF_FIELD(symval, pci_device_id, subvendor); | |
415 | DEF_FIELD(symval, pci_device_id, subdevice); | |
416 | DEF_FIELD(symval, pci_device_id, class); | |
417 | DEF_FIELD(symval, pci_device_id, class_mask); | |
1da177e4 LT |
418 | |
419 | strcpy(alias, "pci:"); | |
6543becf AS |
420 | ADD(alias, "v", vendor != PCI_ANY_ID, vendor); |
421 | ADD(alias, "d", device != PCI_ANY_ID, device); | |
422 | ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor); | |
423 | ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice); | |
424 | ||
425 | baseclass = (class) >> 16; | |
426 | baseclass_mask = (class_mask) >> 16; | |
427 | subclass = (class) >> 8; | |
428 | subclass_mask = (class_mask) >> 8; | |
429 | interface = class; | |
430 | interface_mask = class_mask; | |
1da177e4 LT |
431 | |
432 | if ((baseclass_mask != 0 && baseclass_mask != 0xFF) | |
433 | || (subclass_mask != 0 && subclass_mask != 0xFF) | |
434 | || (interface_mask != 0 && interface_mask != 0xFF)) { | |
cb80514d | 435 | warn("Can't handle masks in %s:%04X\n", |
6543becf | 436 | filename, class_mask); |
1da177e4 LT |
437 | return 0; |
438 | } | |
439 | ||
440 | ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); | |
441 | ADD(alias, "sc", subclass_mask == 0xFF, subclass); | |
442 | ADD(alias, "i", interface_mask == 0xFF, interface); | |
ac551828 | 443 | add_wildcard(alias); |
1da177e4 LT |
444 | return 1; |
445 | } | |
6543becf | 446 | ADD_TO_DEVTABLE("pci", pci_device_id, do_pci_entry); |
1da177e4 | 447 | |
62070fa4 | 448 | /* looks like: "ccw:tNmNdtNdmN" */ |
1da177e4 | 449 | static int do_ccw_entry(const char *filename, |
6543becf | 450 | void *symval, char *alias) |
1da177e4 | 451 | { |
6543becf AS |
452 | DEF_FIELD(symval, ccw_device_id, match_flags); |
453 | DEF_FIELD(symval, ccw_device_id, cu_type); | |
454 | DEF_FIELD(symval, ccw_device_id, cu_model); | |
455 | DEF_FIELD(symval, ccw_device_id, dev_type); | |
456 | DEF_FIELD(symval, ccw_device_id, dev_model); | |
1da177e4 LT |
457 | |
458 | strcpy(alias, "ccw:"); | |
6543becf AS |
459 | ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, |
460 | cu_type); | |
461 | ADD(alias, "m", match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL, | |
462 | cu_model); | |
463 | ADD(alias, "dt", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE, | |
464 | dev_type); | |
465 | ADD(alias, "dm", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL, | |
466 | dev_model); | |
ac551828 | 467 | add_wildcard(alias); |
1da177e4 LT |
468 | return 1; |
469 | } | |
6543becf | 470 | ADD_TO_DEVTABLE("ccw", ccw_device_id, do_ccw_entry); |
1da177e4 | 471 | |
1534c382 MS |
472 | /* looks like: "ap:tN" */ |
473 | static int do_ap_entry(const char *filename, | |
6543becf | 474 | void *symval, char *alias) |
1534c382 | 475 | { |
6543becf AS |
476 | DEF_FIELD(symval, ap_device_id, dev_type); |
477 | ||
478 | sprintf(alias, "ap:t%02X*", dev_type); | |
1534c382 MS |
479 | return 1; |
480 | } | |
6543becf | 481 | ADD_TO_DEVTABLE("ap", ap_device_id, do_ap_entry); |
1534c382 | 482 | |
7e9db9ea CH |
483 | /* looks like: "css:tN" */ |
484 | static int do_css_entry(const char *filename, | |
6543becf | 485 | void *symval, char *alias) |
7e9db9ea | 486 | { |
6543becf AS |
487 | DEF_FIELD(symval, css_device_id, type); |
488 | ||
489 | sprintf(alias, "css:t%01X", type); | |
7e9db9ea CH |
490 | return 1; |
491 | } | |
6543becf | 492 | ADD_TO_DEVTABLE("css", css_device_id, do_css_entry); |
7e9db9ea | 493 | |
1da177e4 LT |
494 | /* Looks like: "serio:tyNprNidNexN" */ |
495 | static int do_serio_entry(const char *filename, | |
6543becf | 496 | void *symval, char *alias) |
1da177e4 | 497 | { |
6543becf AS |
498 | DEF_FIELD(symval, serio_device_id, type); |
499 | DEF_FIELD(symval, serio_device_id, proto); | |
500 | DEF_FIELD(symval, serio_device_id, id); | |
501 | DEF_FIELD(symval, serio_device_id, extra); | |
1da177e4 LT |
502 | |
503 | strcpy(alias, "serio:"); | |
6543becf AS |
504 | ADD(alias, "ty", type != SERIO_ANY, type); |
505 | ADD(alias, "pr", proto != SERIO_ANY, proto); | |
506 | ADD(alias, "id", id != SERIO_ANY, id); | |
507 | ADD(alias, "ex", extra != SERIO_ANY, extra); | |
1da177e4 | 508 | |
ac551828 | 509 | add_wildcard(alias); |
1da177e4 LT |
510 | return 1; |
511 | } | |
6543becf | 512 | ADD_TO_DEVTABLE("serio", serio_device_id, do_serio_entry); |
1da177e4 | 513 | |
29b71a1c TR |
514 | /* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */ |
515 | static int do_acpi_entry(const char *filename, | |
6543becf | 516 | void *symval, char *alias) |
29b71a1c | 517 | { |
6543becf AS |
518 | DEF_FIELD_ADDR(symval, acpi_device_id, id); |
519 | sprintf(alias, "acpi*:%s:*", *id); | |
29b71a1c TR |
520 | return 1; |
521 | } | |
6543becf | 522 | ADD_TO_DEVTABLE("acpi", acpi_device_id, do_acpi_entry); |
29b71a1c | 523 | |
1da177e4 | 524 | /* looks like: "pnp:dD" */ |
22454cb9 KS |
525 | static void do_pnp_device_entry(void *symval, unsigned long size, |
526 | struct module *mod) | |
1da177e4 | 527 | { |
6543becf | 528 | const unsigned long id_size = SIZE_pnp_device_id; |
5e4c6564 | 529 | const unsigned int count = (size / id_size)-1; |
5e4c6564 | 530 | unsigned int i; |
22454cb9 KS |
531 | |
532 | device_id_check(mod->name, "pnp", size, id_size, symval); | |
533 | ||
5e4c6564 | 534 | for (i = 0; i < count; i++) { |
6543becf AS |
535 | DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); |
536 | char acpi_id[sizeof(*id)]; | |
72638f59 | 537 | int j; |
5e4c6564 KS |
538 | |
539 | buf_printf(&mod->dev_table_buf, | |
6543becf | 540 | "MODULE_ALIAS(\"pnp:d%s*\");\n", *id); |
72638f59 KS |
541 | |
542 | /* fix broken pnp bus lowercasing */ | |
543 | for (j = 0; j < sizeof(acpi_id); j++) | |
6543becf | 544 | acpi_id[j] = toupper((*id)[j]); |
5e4c6564 | 545 | buf_printf(&mod->dev_table_buf, |
72638f59 | 546 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
5e4c6564 | 547 | } |
1da177e4 LT |
548 | } |
549 | ||
0c81eed4 KS |
550 | /* looks like: "pnp:dD" for every device of the card */ |
551 | static void do_pnp_card_entries(void *symval, unsigned long size, | |
552 | struct module *mod) | |
1da177e4 | 553 | { |
6543becf | 554 | const unsigned long id_size = SIZE_pnp_card_device_id; |
0c81eed4 | 555 | const unsigned int count = (size / id_size)-1; |
0c81eed4 | 556 | unsigned int i; |
1da177e4 | 557 | |
0c81eed4 KS |
558 | device_id_check(mod->name, "pnp", size, id_size, symval); |
559 | ||
560 | for (i = 0; i < count; i++) { | |
561 | unsigned int j; | |
6543becf | 562 | DEF_FIELD_ADDR(symval + i*id_size, pnp_card_device_id, devs); |
0c81eed4 KS |
563 | |
564 | for (j = 0; j < PNP_MAX_DEVICES; j++) { | |
6543becf | 565 | const char *id = (char *)(*devs)[j].id; |
0c81eed4 KS |
566 | int i2, j2; |
567 | int dup = 0; | |
568 | ||
569 | if (!id[0]) | |
570 | break; | |
571 | ||
572 | /* find duplicate, already added value */ | |
573 | for (i2 = 0; i2 < i && !dup; i2++) { | |
6543becf | 574 | DEF_FIELD_ADDR(symval + i2*id_size, pnp_card_device_id, devs); |
0c81eed4 KS |
575 | |
576 | for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { | |
6543becf | 577 | const char *id2 = (char *)(*devs)[j2].id; |
0c81eed4 KS |
578 | |
579 | if (!id2[0]) | |
580 | break; | |
581 | ||
582 | if (!strcmp(id, id2)) { | |
583 | dup = 1; | |
584 | break; | |
585 | } | |
586 | } | |
587 | } | |
588 | ||
589 | /* add an individual alias for every device entry */ | |
22454cb9 | 590 | if (!dup) { |
6543becf | 591 | char acpi_id[PNP_ID_LEN]; |
72638f59 KS |
592 | int k; |
593 | ||
0c81eed4 KS |
594 | buf_printf(&mod->dev_table_buf, |
595 | "MODULE_ALIAS(\"pnp:d%s*\");\n", id); | |
72638f59 KS |
596 | |
597 | /* fix broken pnp bus lowercasing */ | |
598 | for (k = 0; k < sizeof(acpi_id); k++) | |
599 | acpi_id[k] = toupper(id[k]); | |
22454cb9 | 600 | buf_printf(&mod->dev_table_buf, |
72638f59 | 601 | "MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id); |
22454cb9 | 602 | } |
0c81eed4 | 603 | } |
1da177e4 | 604 | } |
1da177e4 LT |
605 | } |
606 | ||
90829cfe DB |
607 | /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */ |
608 | static int do_pcmcia_entry(const char *filename, | |
6543becf | 609 | void *symval, char *alias) |
90829cfe DB |
610 | { |
611 | unsigned int i; | |
6543becf AS |
612 | DEF_FIELD(symval, pcmcia_device_id, match_flags); |
613 | DEF_FIELD(symval, pcmcia_device_id, manf_id); | |
614 | DEF_FIELD(symval, pcmcia_device_id, card_id); | |
615 | DEF_FIELD(symval, pcmcia_device_id, func_id); | |
616 | DEF_FIELD(symval, pcmcia_device_id, function); | |
617 | DEF_FIELD(symval, pcmcia_device_id, device_no); | |
618 | DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash); | |
4fb7edce | 619 | |
90829cfe | 620 | for (i=0; i<4; i++) { |
6543becf AS |
621 | (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]); |
622 | } | |
623 | ||
624 | strcpy(alias, "pcmcia:"); | |
625 | ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID, | |
626 | manf_id); | |
627 | ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID, | |
628 | card_id); | |
629 | ADD(alias, "f", match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID, | |
630 | func_id); | |
631 | ADD(alias, "fn", match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION, | |
632 | function); | |
633 | ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO, | |
634 | device_no); | |
635 | ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]); | |
636 | ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]); | |
637 | ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]); | |
638 | ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]); | |
90829cfe | 639 | |
ac551828 | 640 | add_wildcard(alias); |
6543becf | 641 | return 1; |
90829cfe | 642 | } |
6543becf | 643 | ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry); |
90829cfe | 644 | |
6543becf | 645 | static int do_of_entry (const char *filename, void *symval, char *alias) |
5e655772 | 646 | { |
bb66fc67 MY |
647 | int len; |
648 | char *tmp; | |
649 | DEF_FIELD_ADDR(symval, of_device_id, name); | |
650 | DEF_FIELD_ADDR(symval, of_device_id, type); | |
651 | DEF_FIELD_ADDR(symval, of_device_id, compatible); | |
652 | ||
653 | len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", | |
654 | (*type)[0] ? *type : "*"); | |
655 | ||
656 | if (compatible[0]) | |
657 | sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", | |
658 | *compatible); | |
659 | ||
660 | /* Replace all whitespace with underscores */ | |
661 | for (tmp = alias; tmp && *tmp; tmp++) | |
662 | if (isspace (*tmp)) | |
663 | *tmp = '_'; | |
664 | ||
665 | add_wildcard(alias); | |
666 | return 1; | |
5e655772 | 667 | } |
6543becf | 668 | ADD_TO_DEVTABLE("of", of_device_id, do_of_entry); |
5e655772 | 669 | |
6543becf | 670 | static int do_vio_entry(const char *filename, void *symval, |
fb120da6 SR |
671 | char *alias) |
672 | { | |
673 | char *tmp; | |
6543becf AS |
674 | DEF_FIELD_ADDR(symval, vio_device_id, type); |
675 | DEF_FIELD_ADDR(symval, vio_device_id, compat); | |
fb120da6 | 676 | |
6543becf AS |
677 | sprintf(alias, "vio:T%sS%s", (*type)[0] ? *type : "*", |
678 | (*compat)[0] ? *compat : "*"); | |
fb120da6 SR |
679 | |
680 | /* Replace all whitespace with underscores */ | |
681 | for (tmp = alias; tmp && *tmp; tmp++) | |
682 | if (isspace (*tmp)) | |
683 | *tmp = '_'; | |
684 | ||
ac551828 | 685 | add_wildcard(alias); |
fb120da6 SR |
686 | return 1; |
687 | } | |
6543becf | 688 | ADD_TO_DEVTABLE("vio", vio_device_id, do_vio_entry); |
fb120da6 | 689 | |
1d8f430c RR |
690 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
691 | ||
692 | static void do_input(char *alias, | |
693 | kernel_ulong_t *arr, unsigned int min, unsigned int max) | |
694 | { | |
695 | unsigned int i; | |
ddc5d341 | 696 | |
6543becf AS |
697 | for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++) |
698 | arr[i] = TO_NATIVE(arr[i]); | |
ddc5d341 | 699 | for (i = min; i < max; i++) |
e0e92632 | 700 | if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) |
ddc5d341 | 701 | sprintf(alias + strlen(alias), "%X,*", i); |
1d8f430c RR |
702 | } |
703 | ||
704 | /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */ | |
6543becf | 705 | static int do_input_entry(const char *filename, void *symval, |
1d8f430c RR |
706 | char *alias) |
707 | { | |
6543becf AS |
708 | DEF_FIELD(symval, input_device_id, flags); |
709 | DEF_FIELD(symval, input_device_id, bustype); | |
710 | DEF_FIELD(symval, input_device_id, vendor); | |
711 | DEF_FIELD(symval, input_device_id, product); | |
712 | DEF_FIELD(symval, input_device_id, version); | |
713 | DEF_FIELD_ADDR(symval, input_device_id, evbit); | |
714 | DEF_FIELD_ADDR(symval, input_device_id, keybit); | |
715 | DEF_FIELD_ADDR(symval, input_device_id, relbit); | |
716 | DEF_FIELD_ADDR(symval, input_device_id, absbit); | |
717 | DEF_FIELD_ADDR(symval, input_device_id, mscbit); | |
718 | DEF_FIELD_ADDR(symval, input_device_id, ledbit); | |
719 | DEF_FIELD_ADDR(symval, input_device_id, sndbit); | |
720 | DEF_FIELD_ADDR(symval, input_device_id, ffbit); | |
721 | DEF_FIELD_ADDR(symval, input_device_id, swbit); | |
722 | ||
1d8f430c RR |
723 | sprintf(alias, "input:"); |
724 | ||
6543becf AS |
725 | ADD(alias, "b", flags & INPUT_DEVICE_ID_MATCH_BUS, bustype); |
726 | ADD(alias, "v", flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor); | |
727 | ADD(alias, "p", flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product); | |
728 | ADD(alias, "e", flags & INPUT_DEVICE_ID_MATCH_VERSION, version); | |
1d8f430c RR |
729 | |
730 | sprintf(alias + strlen(alias), "-e*"); | |
6543becf AS |
731 | if (flags & INPUT_DEVICE_ID_MATCH_EVBIT) |
732 | do_input(alias, *evbit, 0, INPUT_DEVICE_ID_EV_MAX); | |
1d8f430c | 733 | sprintf(alias + strlen(alias), "k*"); |
6543becf AS |
734 | if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT) |
735 | do_input(alias, *keybit, | |
dc24f0e7 SR |
736 | INPUT_DEVICE_ID_KEY_MIN_INTERESTING, |
737 | INPUT_DEVICE_ID_KEY_MAX); | |
1d8f430c | 738 | sprintf(alias + strlen(alias), "r*"); |
6543becf AS |
739 | if (flags & INPUT_DEVICE_ID_MATCH_RELBIT) |
740 | do_input(alias, *relbit, 0, INPUT_DEVICE_ID_REL_MAX); | |
1d8f430c | 741 | sprintf(alias + strlen(alias), "a*"); |
6543becf AS |
742 | if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT) |
743 | do_input(alias, *absbit, 0, INPUT_DEVICE_ID_ABS_MAX); | |
1d8f430c | 744 | sprintf(alias + strlen(alias), "m*"); |
6543becf AS |
745 | if (flags & INPUT_DEVICE_ID_MATCH_MSCIT) |
746 | do_input(alias, *mscbit, 0, INPUT_DEVICE_ID_MSC_MAX); | |
1d8f430c | 747 | sprintf(alias + strlen(alias), "l*"); |
6543becf AS |
748 | if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT) |
749 | do_input(alias, *ledbit, 0, INPUT_DEVICE_ID_LED_MAX); | |
1d8f430c | 750 | sprintf(alias + strlen(alias), "s*"); |
6543becf AS |
751 | if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT) |
752 | do_input(alias, *sndbit, 0, INPUT_DEVICE_ID_SND_MAX); | |
1d8f430c | 753 | sprintf(alias + strlen(alias), "f*"); |
6543becf AS |
754 | if (flags & INPUT_DEVICE_ID_MATCH_FFBIT) |
755 | do_input(alias, *ffbit, 0, INPUT_DEVICE_ID_FF_MAX); | |
1d8f430c | 756 | sprintf(alias + strlen(alias), "w*"); |
6543becf AS |
757 | if (flags & INPUT_DEVICE_ID_MATCH_SWBIT) |
758 | do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX); | |
1d8f430c RR |
759 | return 1; |
760 | } | |
6543becf | 761 | ADD_TO_DEVTABLE("input", input_device_id, do_input_entry); |
1d8f430c | 762 | |
6543becf | 763 | static int do_eisa_entry(const char *filename, void *symval, |
07563c71 MT |
764 | char *alias) |
765 | { | |
6543becf AS |
766 | DEF_FIELD_ADDR(symval, eisa_device_id, sig); |
767 | if (sig[0]) | |
768 | sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", *sig); | |
ac551828 JD |
769 | else |
770 | strcat(alias, "*"); | |
07563c71 MT |
771 | return 1; |
772 | } | |
6543becf | 773 | ADD_TO_DEVTABLE("eisa", eisa_device_id, do_eisa_entry); |
07563c71 | 774 | |
f3cf2673 | 775 | /* Looks like: parisc:tNhvNrevNsvN */ |
6543becf | 776 | static int do_parisc_entry(const char *filename, void *symval, |
f3cf2673 KM |
777 | char *alias) |
778 | { | |
6543becf AS |
779 | DEF_FIELD(symval, parisc_device_id, hw_type); |
780 | DEF_FIELD(symval, parisc_device_id, hversion); | |
781 | DEF_FIELD(symval, parisc_device_id, hversion_rev); | |
782 | DEF_FIELD(symval, parisc_device_id, sversion); | |
f3cf2673 KM |
783 | |
784 | strcpy(alias, "parisc:"); | |
6543becf AS |
785 | ADD(alias, "t", hw_type != PA_HWTYPE_ANY_ID, hw_type); |
786 | ADD(alias, "hv", hversion != PA_HVERSION_ANY_ID, hversion); | |
787 | ADD(alias, "rev", hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev); | |
788 | ADD(alias, "sv", sversion != PA_SVERSION_ANY_ID, sversion); | |
f3cf2673 | 789 | |
ac551828 | 790 | add_wildcard(alias); |
f3cf2673 KM |
791 | return 1; |
792 | } | |
6543becf | 793 | ADD_TO_DEVTABLE("parisc", parisc_device_id, do_parisc_entry); |
f3cf2673 | 794 | |
d59b66c7 PO |
795 | /* Looks like: sdio:cNvNdN. */ |
796 | static int do_sdio_entry(const char *filename, | |
6543becf | 797 | void *symval, char *alias) |
d59b66c7 | 798 | { |
6543becf AS |
799 | DEF_FIELD(symval, sdio_device_id, class); |
800 | DEF_FIELD(symval, sdio_device_id, vendor); | |
801 | DEF_FIELD(symval, sdio_device_id, device); | |
d59b66c7 PO |
802 | |
803 | strcpy(alias, "sdio:"); | |
6543becf AS |
804 | ADD(alias, "c", class != (__u8)SDIO_ANY_ID, class); |
805 | ADD(alias, "v", vendor != (__u16)SDIO_ANY_ID, vendor); | |
806 | ADD(alias, "d", device != (__u16)SDIO_ANY_ID, device); | |
ac551828 | 807 | add_wildcard(alias); |
038a5008 LT |
808 | return 1; |
809 | } | |
6543becf | 810 | ADD_TO_DEVTABLE("sdio", sdio_device_id, do_sdio_entry); |
038a5008 | 811 | |
61e115a5 MB |
812 | /* Looks like: ssb:vNidNrevN. */ |
813 | static int do_ssb_entry(const char *filename, | |
6543becf | 814 | void *symval, char *alias) |
61e115a5 | 815 | { |
6543becf AS |
816 | DEF_FIELD(symval, ssb_device_id, vendor); |
817 | DEF_FIELD(symval, ssb_device_id, coreid); | |
818 | DEF_FIELD(symval, ssb_device_id, revision); | |
d59b66c7 | 819 | |
61e115a5 | 820 | strcpy(alias, "ssb:"); |
6543becf AS |
821 | ADD(alias, "v", vendor != SSB_ANY_VENDOR, vendor); |
822 | ADD(alias, "id", coreid != SSB_ANY_ID, coreid); | |
823 | ADD(alias, "rev", revision != SSB_ANY_REV, revision); | |
ac551828 | 824 | add_wildcard(alias); |
d59b66c7 PO |
825 | return 1; |
826 | } | |
6543becf | 827 | ADD_TO_DEVTABLE("ssb", ssb_device_id, do_ssb_entry); |
d59b66c7 | 828 | |
8369ae33 RM |
829 | /* Looks like: bcma:mNidNrevNclN. */ |
830 | static int do_bcma_entry(const char *filename, | |
6543becf | 831 | void *symval, char *alias) |
8369ae33 | 832 | { |
6543becf AS |
833 | DEF_FIELD(symval, bcma_device_id, manuf); |
834 | DEF_FIELD(symval, bcma_device_id, id); | |
835 | DEF_FIELD(symval, bcma_device_id, rev); | |
836 | DEF_FIELD(symval, bcma_device_id, class); | |
8369ae33 RM |
837 | |
838 | strcpy(alias, "bcma:"); | |
6543becf AS |
839 | ADD(alias, "m", manuf != BCMA_ANY_MANUF, manuf); |
840 | ADD(alias, "id", id != BCMA_ANY_ID, id); | |
841 | ADD(alias, "rev", rev != BCMA_ANY_REV, rev); | |
842 | ADD(alias, "cl", class != BCMA_ANY_CLASS, class); | |
8369ae33 RM |
843 | add_wildcard(alias); |
844 | return 1; | |
845 | } | |
6543becf | 846 | ADD_TO_DEVTABLE("bcma", bcma_device_id, do_bcma_entry); |
8369ae33 | 847 | |
b01d9f28 | 848 | /* Looks like: virtio:dNvN */ |
6543becf | 849 | static int do_virtio_entry(const char *filename, void *symval, |
b01d9f28 RR |
850 | char *alias) |
851 | { | |
6543becf AS |
852 | DEF_FIELD(symval, virtio_device_id, device); |
853 | DEF_FIELD(symval, virtio_device_id, vendor); | |
b01d9f28 RR |
854 | |
855 | strcpy(alias, "virtio:"); | |
6543becf AS |
856 | ADD(alias, "d", device != VIRTIO_DEV_ANY_ID, device); |
857 | ADD(alias, "v", vendor != VIRTIO_DEV_ANY_ID, vendor); | |
b01d9f28 | 858 | |
ac551828 | 859 | add_wildcard(alias); |
b01d9f28 RR |
860 | return 1; |
861 | } | |
6543becf | 862 | ADD_TO_DEVTABLE("virtio", virtio_device_id, do_virtio_entry); |
b01d9f28 | 863 | |
d2ee52aa S |
864 | /* |
865 | * Looks like: vmbus:guid | |
866 | * Each byte of the guid will be represented by two hex characters | |
867 | * in the name. | |
868 | */ | |
869 | ||
6543becf | 870 | static int do_vmbus_entry(const char *filename, void *symval, |
d2ee52aa S |
871 | char *alias) |
872 | { | |
873 | int i; | |
6543becf AS |
874 | DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid); |
875 | char guid_name[(sizeof(*guid) + 1) * 2]; | |
d2ee52aa | 876 | |
6543becf AS |
877 | for (i = 0; i < (sizeof(*guid) * 2); i += 2) |
878 | sprintf(&guid_name[i], "%02x", TO_NATIVE((*guid)[i/2])); | |
d2ee52aa S |
879 | |
880 | strcpy(alias, "vmbus:"); | |
881 | strcat(alias, guid_name); | |
882 | ||
883 | return 1; | |
884 | } | |
6543becf | 885 | ADD_TO_DEVTABLE("vmbus", hv_vmbus_device_id, do_vmbus_entry); |
d2ee52aa | 886 | |
d2653e92 | 887 | /* Looks like: i2c:S */ |
6543becf | 888 | static int do_i2c_entry(const char *filename, void *symval, |
d2653e92 JD |
889 | char *alias) |
890 | { | |
6543becf AS |
891 | DEF_FIELD_ADDR(symval, i2c_device_id, name); |
892 | sprintf(alias, I2C_MODULE_PREFIX "%s", *name); | |
d2653e92 JD |
893 | |
894 | return 1; | |
895 | } | |
6543becf | 896 | ADD_TO_DEVTABLE("i2c", i2c_device_id, do_i2c_entry); |
d2653e92 | 897 | |
e0626e38 | 898 | /* Looks like: spi:S */ |
6543becf | 899 | static int do_spi_entry(const char *filename, void *symval, |
75368bf6 AV |
900 | char *alias) |
901 | { | |
6543becf AS |
902 | DEF_FIELD_ADDR(symval, spi_device_id, name); |
903 | sprintf(alias, SPI_MODULE_PREFIX "%s", *name); | |
75368bf6 AV |
904 | |
905 | return 1; | |
906 | } | |
6543becf | 907 | ADD_TO_DEVTABLE("spi", spi_device_id, do_spi_entry); |
75368bf6 | 908 | |
d945b697 DW |
909 | static const struct dmifield { |
910 | const char *prefix; | |
911 | int field; | |
912 | } dmi_fields[] = { | |
913 | { "bvn", DMI_BIOS_VENDOR }, | |
914 | { "bvr", DMI_BIOS_VERSION }, | |
915 | { "bd", DMI_BIOS_DATE }, | |
916 | { "svn", DMI_SYS_VENDOR }, | |
917 | { "pn", DMI_PRODUCT_NAME }, | |
918 | { "pvr", DMI_PRODUCT_VERSION }, | |
919 | { "rvn", DMI_BOARD_VENDOR }, | |
920 | { "rn", DMI_BOARD_NAME }, | |
921 | { "rvr", DMI_BOARD_VERSION }, | |
922 | { "cvn", DMI_CHASSIS_VENDOR }, | |
923 | { "ct", DMI_CHASSIS_TYPE }, | |
924 | { "cvr", DMI_CHASSIS_VERSION }, | |
925 | { NULL, DMI_NONE } | |
926 | }; | |
927 | ||
928 | static void dmi_ascii_filter(char *d, const char *s) | |
929 | { | |
930 | /* Filter out characters we don't want to see in the modalias string */ | |
931 | for (; *s; s++) | |
932 | if (*s > ' ' && *s < 127 && *s != ':') | |
933 | *(d++) = *s; | |
934 | ||
935 | *d = 0; | |
936 | } | |
937 | ||
938 | ||
6543becf | 939 | static int do_dmi_entry(const char *filename, void *symval, |
d945b697 DW |
940 | char *alias) |
941 | { | |
942 | int i, j; | |
6543becf | 943 | DEF_FIELD_ADDR(symval, dmi_system_id, matches); |
d945b697 DW |
944 | sprintf(alias, "dmi*"); |
945 | ||
946 | for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { | |
947 | for (j = 0; j < 4; j++) { | |
6543becf AS |
948 | if ((*matches)[j].slot && |
949 | (*matches)[j].slot == dmi_fields[i].field) { | |
d945b697 DW |
950 | sprintf(alias + strlen(alias), ":%s*", |
951 | dmi_fields[i].prefix); | |
952 | dmi_ascii_filter(alias + strlen(alias), | |
6543becf | 953 | (*matches)[j].substr); |
d945b697 DW |
954 | strcat(alias, "*"); |
955 | } | |
956 | } | |
957 | } | |
958 | ||
959 | strcat(alias, ":"); | |
960 | return 1; | |
961 | } | |
6543becf | 962 | ADD_TO_DEVTABLE("dmi", dmi_system_id, do_dmi_entry); |
57fee4a5 EM |
963 | |
964 | static int do_platform_entry(const char *filename, | |
6543becf | 965 | void *symval, char *alias) |
57fee4a5 | 966 | { |
6543becf AS |
967 | DEF_FIELD_ADDR(symval, platform_device_id, name); |
968 | sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name); | |
57fee4a5 EM |
969 | return 1; |
970 | } | |
6543becf | 971 | ADD_TO_DEVTABLE("platform", platform_device_id, do_platform_entry); |
57fee4a5 | 972 | |
8626d3b4 | 973 | static int do_mdio_entry(const char *filename, |
6543becf | 974 | void *symval, char *alias) |
8626d3b4 DW |
975 | { |
976 | int i; | |
6543becf AS |
977 | DEF_FIELD(symval, mdio_device_id, phy_id); |
978 | DEF_FIELD(symval, mdio_device_id, phy_id_mask); | |
8626d3b4 DW |
979 | |
980 | alias += sprintf(alias, MDIO_MODULE_PREFIX); | |
981 | ||
982 | for (i = 0; i < 32; i++) { | |
6543becf | 983 | if (!((phy_id_mask >> (31-i)) & 1)) |
8626d3b4 | 984 | *(alias++) = '?'; |
6543becf | 985 | else if ((phy_id >> (31-i)) & 1) |
8626d3b4 DW |
986 | *(alias++) = '1'; |
987 | else | |
988 | *(alias++) = '0'; | |
989 | } | |
990 | ||
991 | /* Terminate the string */ | |
992 | *alias = 0; | |
993 | ||
994 | return 1; | |
995 | } | |
6543becf | 996 | ADD_TO_DEVTABLE("mdio", mdio_device_id, do_mdio_entry); |
8626d3b4 | 997 | |
bf54a2b3 | 998 | /* Looks like: zorro:iN. */ |
6543becf | 999 | static int do_zorro_entry(const char *filename, void *symval, |
bf54a2b3 GU |
1000 | char *alias) |
1001 | { | |
6543becf | 1002 | DEF_FIELD(symval, zorro_device_id, id); |
bf54a2b3 | 1003 | strcpy(alias, "zorro:"); |
6543becf | 1004 | ADD(alias, "i", id != ZORRO_WILDCARD, id); |
bf54a2b3 GU |
1005 | return 1; |
1006 | } | |
6543becf | 1007 | ADD_TO_DEVTABLE("zorro", zorro_device_id, do_zorro_entry); |
bf54a2b3 | 1008 | |
fedb3d27 OZ |
1009 | /* looks like: "pnp:dD" */ |
1010 | static int do_isapnp_entry(const char *filename, | |
6543becf | 1011 | void *symval, char *alias) |
fedb3d27 | 1012 | { |
6543becf AS |
1013 | DEF_FIELD(symval, isapnp_device_id, vendor); |
1014 | DEF_FIELD(symval, isapnp_device_id, function); | |
fedb3d27 | 1015 | sprintf(alias, "pnp:d%c%c%c%x%x%x%x*", |
6543becf AS |
1016 | 'A' + ((vendor >> 2) & 0x3f) - 1, |
1017 | 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1, | |
1018 | 'A' + ((vendor >> 8) & 0x1f) - 1, | |
1019 | (function >> 4) & 0x0f, function & 0x0f, | |
1020 | (function >> 12) & 0x0f, (function >> 8) & 0x0f); | |
fedb3d27 OZ |
1021 | return 1; |
1022 | } | |
6543becf | 1023 | ADD_TO_DEVTABLE("isapnp", isapnp_device_id, do_isapnp_entry); |
fedb3d27 | 1024 | |
849e0ad2 JT |
1025 | /* Looks like: "ipack:fNvNdN". */ |
1026 | static int do_ipack_entry(const char *filename, | |
6543becf | 1027 | void *symval, char *alias) |
849e0ad2 | 1028 | { |
6543becf AS |
1029 | DEF_FIELD(symval, ipack_device_id, format); |
1030 | DEF_FIELD(symval, ipack_device_id, vendor); | |
1031 | DEF_FIELD(symval, ipack_device_id, device); | |
849e0ad2 | 1032 | strcpy(alias, "ipack:"); |
6543becf AS |
1033 | ADD(alias, "f", format != IPACK_ANY_FORMAT, format); |
1034 | ADD(alias, "v", vendor != IPACK_ANY_ID, vendor); | |
1035 | ADD(alias, "d", device != IPACK_ANY_ID, device); | |
849e0ad2 JT |
1036 | add_wildcard(alias); |
1037 | return 1; | |
1038 | } | |
6543becf | 1039 | ADD_TO_DEVTABLE("ipack", ipack_device_id, do_ipack_entry); |
849e0ad2 | 1040 | |
523817bd DM |
1041 | /* |
1042 | * Append a match expression for a single masked hex digit. | |
1043 | * outp points to a pointer to the character at which to append. | |
1044 | * *outp is updated on return to point just after the appended text, | |
1045 | * to facilitate further appending. | |
1046 | */ | |
1047 | static void append_nibble_mask(char **outp, | |
1048 | unsigned int nibble, unsigned int mask) | |
1049 | { | |
1050 | char *p = *outp; | |
1051 | unsigned int i; | |
1052 | ||
1053 | switch (mask) { | |
1054 | case 0: | |
1055 | *p++ = '?'; | |
1056 | break; | |
1057 | ||
1058 | case 0xf: | |
1059 | p += sprintf(p, "%X", nibble); | |
1060 | break; | |
1061 | ||
1062 | default: | |
1063 | /* | |
1064 | * Dumbly emit a match pattern for all possible matching | |
1065 | * digits. This could be improved in some cases using ranges, | |
1066 | * but it has the advantage of being trivially correct, and is | |
1067 | * often optimal. | |
1068 | */ | |
1069 | *p++ = '['; | |
1070 | for (i = 0; i < 0x10; i++) | |
1071 | if ((i & mask) == nibble) | |
1072 | p += sprintf(p, "%X", i); | |
1073 | *p++ = ']'; | |
1074 | } | |
1075 | ||
1076 | /* Ensure that the string remains NUL-terminated: */ | |
1077 | *p = '\0'; | |
1078 | ||
1079 | /* Advance the caller's end-of-string pointer: */ | |
1080 | *outp = p; | |
1081 | } | |
1082 | ||
1083 | /* | |
1084 | * looks like: "amba:dN" | |
1085 | * | |
1086 | * N is exactly 8 digits, where each is an upper-case hex digit, or | |
1087 | * a ? or [] pattern matching exactly one digit. | |
1088 | */ | |
1089 | static int do_amba_entry(const char *filename, | |
6543becf | 1090 | void *symval, char *alias) |
523817bd DM |
1091 | { |
1092 | unsigned int digit; | |
1093 | char *p = alias; | |
6543becf AS |
1094 | DEF_FIELD(symval, amba_id, id); |
1095 | DEF_FIELD(symval, amba_id, mask); | |
523817bd | 1096 | |
6543becf | 1097 | if ((id & mask) != id) |
523817bd DM |
1098 | fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " |
1099 | "id=0x%08X, mask=0x%08X. Please fix this driver.\n", | |
6543becf | 1100 | filename, id, mask); |
523817bd DM |
1101 | |
1102 | p += sprintf(alias, "amba:d"); | |
1103 | for (digit = 0; digit < 8; digit++) | |
1104 | append_nibble_mask(&p, | |
6543becf AS |
1105 | (id >> (4 * (7 - digit))) & 0xf, |
1106 | (mask >> (4 * (7 - digit))) & 0xf); | |
523817bd DM |
1107 | |
1108 | return 1; | |
1109 | } | |
6543becf | 1110 | ADD_TO_DEVTABLE("amba", amba_id, do_amba_entry); |
523817bd | 1111 | |
8286ae03 JH |
1112 | /* |
1113 | * looks like: "mipscdmm:tN" | |
1114 | * | |
1115 | * N is exactly 2 digits, where each is an upper-case hex digit, or | |
1116 | * a ? or [] pattern matching exactly one digit. | |
1117 | */ | |
1118 | static int do_mips_cdmm_entry(const char *filename, | |
1119 | void *symval, char *alias) | |
1120 | { | |
1121 | DEF_FIELD(symval, mips_cdmm_device_id, type); | |
1122 | ||
1123 | sprintf(alias, "mipscdmm:t%02X*", type); | |
1124 | return 1; | |
1125 | } | |
1126 | ADD_TO_DEVTABLE("mipscdmm", mips_cdmm_device_id, do_mips_cdmm_entry); | |
1127 | ||
2b9c1f03 | 1128 | /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,* |
644e9cbb AK |
1129 | * All fields are numbers. It would be nicer to use strings for vendor |
1130 | * and feature, but getting those out of the build system here is too | |
1131 | * complicated. | |
1132 | */ | |
1133 | ||
6543becf | 1134 | static int do_x86cpu_entry(const char *filename, void *symval, |
644e9cbb AK |
1135 | char *alias) |
1136 | { | |
6543becf AS |
1137 | DEF_FIELD(symval, x86_cpu_id, feature); |
1138 | DEF_FIELD(symval, x86_cpu_id, family); | |
1139 | DEF_FIELD(symval, x86_cpu_id, model); | |
1140 | DEF_FIELD(symval, x86_cpu_id, vendor); | |
644e9cbb | 1141 | |
2b9c1f03 AB |
1142 | strcpy(alias, "cpu:type:x86,"); |
1143 | ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor); | |
1144 | ADD(alias, "fam", family != X86_FAMILY_ANY, family); | |
1145 | ADD(alias, "mod", model != X86_MODEL_ANY, model); | |
5467bdda | 1146 | strcat(alias, ":feature:*"); |
6543becf AS |
1147 | if (feature != X86_FEATURE_ANY) |
1148 | sprintf(alias + strlen(alias), "%04X*", feature); | |
644e9cbb AK |
1149 | return 1; |
1150 | } | |
6543becf | 1151 | ADD_TO_DEVTABLE("x86cpu", x86_cpu_id, do_x86cpu_entry); |
644e9cbb | 1152 | |
67bad2fd AB |
1153 | /* LOOKS like cpu:type:*:feature:*FEAT* */ |
1154 | static int do_cpu_entry(const char *filename, void *symval, char *alias) | |
1155 | { | |
1156 | DEF_FIELD(symval, cpu_feature, feature); | |
1157 | ||
1158 | sprintf(alias, "cpu:type:*:feature:*%04X*", feature); | |
1159 | return 1; | |
1160 | } | |
1161 | ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry); | |
1162 | ||
e5354107 SO |
1163 | /* Looks like: mei:S */ |
1164 | static int do_mei_entry(const char *filename, void *symval, | |
1165 | char *alias) | |
1166 | { | |
1167 | DEF_FIELD_ADDR(symval, mei_cl_device_id, name); | |
1168 | ||
1169 | sprintf(alias, MEI_CL_MODULE_PREFIX "%s", *name); | |
1170 | ||
1171 | return 1; | |
1172 | } | |
1173 | ADD_TO_DEVTABLE("mei", mei_cl_device_id, do_mei_entry); | |
1174 | ||
3bdbb62f AB |
1175 | /* Looks like: rapidio:vNdNavNadN */ |
1176 | static int do_rio_entry(const char *filename, | |
1177 | void *symval, char *alias) | |
1178 | { | |
1179 | DEF_FIELD(symval, rio_device_id, did); | |
1180 | DEF_FIELD(symval, rio_device_id, vid); | |
1181 | DEF_FIELD(symval, rio_device_id, asm_did); | |
1182 | DEF_FIELD(symval, rio_device_id, asm_vid); | |
1183 | ||
1184 | strcpy(alias, "rapidio:"); | |
1185 | ADD(alias, "v", vid != RIO_ANY_ID, vid); | |
1186 | ADD(alias, "d", did != RIO_ANY_ID, did); | |
1187 | ADD(alias, "av", asm_vid != RIO_ANY_ID, asm_vid); | |
1188 | ADD(alias, "ad", asm_did != RIO_ANY_ID, asm_did); | |
1189 | ||
1190 | add_wildcard(alias); | |
1191 | return 1; | |
1192 | } | |
1193 | ADD_TO_DEVTABLE("rapidio", rio_device_id, do_rio_entry); | |
1194 | ||
626596e2 RR |
1195 | /* Does namelen bytes of name exactly match the symbol? */ |
1196 | static bool sym_is(const char *name, unsigned namelen, const char *symbol) | |
1da177e4 | 1197 | { |
626596e2 RR |
1198 | if (namelen != strlen(symbol)) |
1199 | return false; | |
1da177e4 | 1200 | |
626596e2 | 1201 | return memcmp(name, symbol, namelen) == 0; |
1da177e4 LT |
1202 | } |
1203 | ||
1204 | static void do_table(void *symval, unsigned long size, | |
1205 | unsigned long id_size, | |
fb33d816 | 1206 | const char *device_id, |
1da177e4 LT |
1207 | void *function, |
1208 | struct module *mod) | |
1209 | { | |
1210 | unsigned int i; | |
1211 | char alias[500]; | |
1212 | int (*do_entry)(const char *, void *entry, char *alias) = function; | |
1213 | ||
e0049825 | 1214 | device_id_check(mod->name, device_id, size, id_size, symval); |
1da177e4 LT |
1215 | /* Leave last one: it's the terminator. */ |
1216 | size -= id_size; | |
1217 | ||
1218 | for (i = 0; i < size; i += id_size) { | |
1219 | if (do_entry(mod->name, symval+i, alias)) { | |
1da177e4 LT |
1220 | buf_printf(&mod->dev_table_buf, |
1221 | "MODULE_ALIAS(\"%s\");\n", alias); | |
1222 | } | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | /* Create MODULE_ALIAS() statements. | |
1227 | * At this time, we cannot write the actual output C source yet, | |
1228 | * so we write into the mod->dev_table_buf buffer. */ | |
1229 | void handle_moddevtable(struct module *mod, struct elf_info *info, | |
1230 | Elf_Sym *sym, const char *symname) | |
1231 | { | |
1232 | void *symval; | |
e0049825 | 1233 | char *zeros = NULL; |
21bdd17b | 1234 | const char *name, *identifier; |
626596e2 | 1235 | unsigned int namelen; |
1da177e4 LT |
1236 | |
1237 | /* We're looking for a section relative symbol */ | |
1ce53adf | 1238 | if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections) |
1da177e4 LT |
1239 | return; |
1240 | ||
e88aa7bb DM |
1241 | /* We're looking for an object */ |
1242 | if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) | |
1243 | return; | |
1244 | ||
21bdd17b | 1245 | /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */ |
626596e2 RR |
1246 | name = strstr(symname, "__mod_"); |
1247 | if (!name) | |
1248 | return; | |
1249 | name += strlen("__mod_"); | |
1250 | namelen = strlen(name); | |
1251 | if (namelen < strlen("_device_table")) | |
1252 | return; | |
1253 | if (strcmp(name + namelen - strlen("_device_table"), "_device_table")) | |
1254 | return; | |
21bdd17b TG |
1255 | identifier = strstr(name, "__"); |
1256 | if (!identifier) | |
1257 | return; | |
1258 | namelen = identifier - name; | |
626596e2 | 1259 | |
e0049825 | 1260 | /* Handle all-NULL symbols allocated into .bss */ |
1ce53adf | 1261 | if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) { |
e0049825 KC |
1262 | zeros = calloc(1, sym->st_size); |
1263 | symval = zeros; | |
1264 | } else { | |
1265 | symval = (void *)info->hdr | |
1ce53adf | 1266 | + info->sechdrs[get_secindex(info, sym)].sh_offset |
e0049825 KC |
1267 | + sym->st_value; |
1268 | } | |
1da177e4 | 1269 | |
626596e2 RR |
1270 | /* First handle the "special" cases */ |
1271 | if (sym_is(name, namelen, "usb")) | |
b19dcd93 | 1272 | do_usb_table(symval, sym->st_size, mod); |
626596e2 | 1273 | else if (sym_is(name, namelen, "pnp")) |
22454cb9 | 1274 | do_pnp_device_entry(symval, sym->st_size, mod); |
626596e2 | 1275 | else if (sym_is(name, namelen, "pnp_card")) |
0c81eed4 | 1276 | do_pnp_card_entries(symval, sym->st_size, mod); |
626596e2 | 1277 | else { |
e49ce141 | 1278 | struct devtable **p; |
dd2a3aca | 1279 | INIT_SECTION(__devtable); |
626596e2 | 1280 | |
e49ce141 RR |
1281 | for (p = __start___devtable; p < __stop___devtable; p++) { |
1282 | if (sym_is(name, namelen, (*p)->device_id)) { | |
1283 | do_table(symval, sym->st_size, (*p)->id_size, | |
1284 | (*p)->device_id, (*p)->function, mod); | |
626596e2 RR |
1285 | break; |
1286 | } | |
1287 | } | |
1288 | } | |
e0049825 | 1289 | free(zeros); |
1da177e4 LT |
1290 | } |
1291 | ||
1292 | /* Now add out buffered information to the generated C source */ | |
1293 | void add_moddevtable(struct buffer *buf, struct module *mod) | |
1294 | { | |
1295 | buf_printf(buf, "\n"); | |
1296 | buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos); | |
1297 | free(mod->dev_table_buf.p); | |
1298 | } |