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Commit | Line | Data |
---|---|---|
e4842ff3 | 1 | /* |
4284af58 | 2 | * The PCI Utilities -- Manipulate PCI Configuration Registers |
e4842ff3 | 3 | * |
1b99a704 | 4 | * Copyright (c) 1998--2008 Martin Mares <mj@ucw.cz> |
e4842ff3 MM |
5 | * |
6 | * Can be freely distributed and used under the terms of the GNU GPL. | |
7 | */ | |
8 | ||
9 | #include <stdio.h> | |
10 | #include <string.h> | |
11 | #include <stdlib.h> | |
727ce158 | 12 | #include <stdarg.h> |
e4842ff3 | 13 | #include <unistd.h> |
ace49a96 | 14 | #include <errno.h> |
7aad822b | 15 | |
1b99a704 | 16 | #define PCIUTILS_SETPCI |
e4842ff3 MM |
17 | #include "pciutils.h" |
18 | ||
19 | static int force; /* Don't complain if no devices match */ | |
20 | static int verbose; /* Verbosity level */ | |
b2c9b373 | 21 | static int demo_mode; /* Only show */ |
e4842ff3 | 22 | |
81afa98c MM |
23 | const char program_name[] = "setpci"; |
24 | ||
727ce158 | 25 | static struct pci_access *pacc; |
e4842ff3 | 26 | |
b7351143 MM |
27 | struct value { |
28 | unsigned int value; | |
29 | unsigned int mask; | |
30 | }; | |
31 | ||
e4842ff3 MM |
32 | struct op { |
33 | struct op *next; | |
727ce158 | 34 | struct pci_dev **dev_vector; |
ace49a96 | 35 | unsigned int cap; /* Capability: 0=none, 10000-100ff=normal, 20000-2ffff=extended */ |
e4842ff3 MM |
36 | unsigned int addr; |
37 | unsigned int width; /* Byte width of the access */ | |
ace49a96 | 38 | unsigned int num_values; /* Number of values to write; 0=read */ |
b7351143 | 39 | struct value values[0]; |
e4842ff3 MM |
40 | }; |
41 | ||
42 | static struct op *first_op, **last_op = &first_op; | |
b7351143 | 43 | static unsigned int max_values[] = { 0, 0xff, 0xffff, 0, 0xffffffff }; |
e4842ff3 | 44 | |
727ce158 | 45 | static struct pci_dev ** |
e4842ff3 MM |
46 | select_devices(struct pci_filter *filt) |
47 | { | |
727ce158 | 48 | struct pci_dev *z, **a, **b; |
e4842ff3 MM |
49 | int cnt = 1; |
50 | ||
de7ef8bc | 51 | for (z=pacc->devices; z; z=z->next) |
727ce158 | 52 | if (pci_filter_match(filt, z)) |
e4842ff3 MM |
53 | cnt++; |
54 | a = b = xmalloc(sizeof(struct device *) * cnt); | |
de7ef8bc | 55 | for (z=pacc->devices; z; z=z->next) |
727ce158 | 56 | if (pci_filter_match(filt, z)) |
e4842ff3 MM |
57 | *a++ = z; |
58 | *a = NULL; | |
59 | return b; | |
60 | } | |
61 | ||
62 | static void | |
727ce158 | 63 | exec_op(struct op *op, struct pci_dev *dev) |
e4842ff3 | 64 | { |
b7351143 MM |
65 | char *formats[] = { NULL, "%02x", "%04x", NULL, "%08x" }; |
66 | char *mask_formats[] = { NULL, "%02x->(%02x:%02x)->%02x", "%04x->(%04x:%04x)->%04x", NULL, "%08x->(%08x:%08x)->%08x" }; | |
ace49a96 MM |
67 | unsigned int i, x, y; |
68 | int addr = 0; | |
b7351143 | 69 | int width = op->width; |
e4842ff3 MM |
70 | |
71 | if (verbose) | |
ace49a96 MM |
72 | printf("%02x:%02x.%x", dev->bus, dev->dev, dev->func); |
73 | if (op->cap) | |
74 | { | |
75 | struct pci_cap *cap; | |
76 | if (op->cap < 0x20000) | |
77 | { | |
78 | if (verbose) | |
79 | printf("(cap %02x)", op->cap - 0x10000); | |
80 | cap = pci_find_cap(dev, op->cap - 0x10000, PCI_CAP_NORMAL); | |
81 | } | |
82 | else | |
83 | { | |
84 | if (verbose) | |
85 | printf("(ecap %04x)", op->cap - 0x20000); | |
86 | cap = pci_find_cap(dev, op->cap - 0x20000, PCI_CAP_EXTENDED); | |
87 | } | |
88 | if (cap) | |
89 | addr = cap->addr; | |
90 | else | |
91 | { | |
92 | /* FIXME: Report the error properly */ | |
93 | die("Capability %08x not found", op->cap); | |
94 | } | |
95 | } | |
96 | addr += op->addr; | |
97 | if (verbose) | |
98 | printf(":%02x", addr); | |
99 | if (op->num_values) | |
b7351143 | 100 | { |
de7ef8bc | 101 | for (i=0; i<op->num_values; i++) |
b7351143 | 102 | { |
ace49a96 MM |
103 | if (addr + width > 0x1000) |
104 | die("Out of range"); /* FIXME */ | |
b7351143 MM |
105 | if ((op->values[i].mask & max_values[width]) == max_values[width]) |
106 | { | |
107 | x = op->values[i].value; | |
108 | if (verbose) | |
109 | { | |
110 | putchar(' '); | |
111 | printf(formats[width], op->values[i].value); | |
112 | } | |
113 | } | |
114 | else | |
115 | { | |
116 | switch (width) | |
117 | { | |
118 | case 1: | |
119 | y = pci_read_byte(dev, addr); | |
120 | break; | |
121 | case 2: | |
122 | y = pci_read_word(dev, addr); | |
123 | break; | |
124 | default: | |
125 | y = pci_read_long(dev, addr); | |
126 | break; | |
127 | } | |
128 | x = (y & ~op->values[i].mask) | op->values[i].value; | |
129 | if (verbose) | |
130 | { | |
131 | putchar(' '); | |
132 | printf(mask_formats[width], y, op->values[i].value, op->values[i].mask, x); | |
133 | } | |
134 | } | |
135 | if (!demo_mode) | |
136 | { | |
137 | switch (width) | |
138 | { | |
139 | case 1: | |
140 | pci_write_byte(dev, addr, x); | |
141 | break; | |
142 | case 2: | |
143 | pci_write_word(dev, addr, x); | |
144 | break; | |
145 | default: | |
146 | pci_write_long(dev, addr, x); | |
147 | break; | |
148 | } | |
149 | } | |
150 | addr += width; | |
151 | } | |
152 | if (verbose) | |
153 | putchar('\n'); | |
154 | } | |
e4842ff3 MM |
155 | else |
156 | { | |
157 | if (verbose) | |
b2c9b373 | 158 | printf(" = "); |
ace49a96 MM |
159 | if (addr + width > 0x1000) |
160 | die("Out of range"); /* FIXME */ | |
b251f40b | 161 | switch (width) |
b2c9b373 | 162 | { |
b251f40b MM |
163 | case 1: |
164 | x = pci_read_byte(dev, addr); | |
165 | break; | |
166 | case 2: | |
167 | x = pci_read_word(dev, addr); | |
168 | break; | |
169 | default: | |
170 | x = pci_read_long(dev, addr); | |
171 | break; | |
b2c9b373 | 172 | } |
b251f40b | 173 | printf(formats[width], x); |
b7351143 | 174 | putchar('\n'); |
e4842ff3 MM |
175 | } |
176 | } | |
177 | ||
178 | static void | |
179 | execute(struct op *op) | |
180 | { | |
727ce158 MM |
181 | struct pci_dev **vec = NULL; |
182 | struct pci_dev **pdev, *dev; | |
e4842ff3 MM |
183 | struct op *oops; |
184 | ||
185 | while (op) | |
186 | { | |
187 | pdev = vec = op->dev_vector; | |
188 | while (dev = *pdev++) | |
de7ef8bc | 189 | for (oops=op; oops && oops->dev_vector == vec; oops=oops->next) |
e4842ff3 MM |
190 | exec_op(oops, dev); |
191 | while (op && op->dev_vector == vec) | |
192 | op = op->next; | |
193 | } | |
194 | } | |
195 | ||
b2c9b373 MM |
196 | static void |
197 | scan_ops(struct op *op) | |
198 | { | |
b2c9b373 MM |
199 | while (op) |
200 | { | |
ace49a96 | 201 | if (op->num_values) |
727ce158 | 202 | pacc->writeable = 1; |
b2c9b373 MM |
203 | op = op->next; |
204 | } | |
205 | } | |
206 | ||
207 | struct reg_name { | |
ace49a96 | 208 | unsigned int cap; |
3fe8a38d MM |
209 | unsigned int offset; |
210 | unsigned int width; | |
b7351143 | 211 | const char *name; |
b2c9b373 MM |
212 | }; |
213 | ||
b7351143 | 214 | static const struct reg_name pci_reg_names[] = { |
ace49a96 MM |
215 | { 0, 0x00, 2, "VENDOR_ID" }, |
216 | { 0, 0x02, 2, "DEVICE_ID" }, | |
217 | { 0, 0x04, 2, "COMMAND" }, | |
218 | { 0, 0x06, 2, "STATUS" }, | |
219 | { 0, 0x08, 1, "REVISION" }, | |
220 | { 0, 0x09, 1, "CLASS_PROG" }, | |
221 | { 0, 0x0a, 2, "CLASS_DEVICE" }, | |
222 | { 0, 0x0c, 1, "CACHE_LINE_SIZE" }, | |
223 | { 0, 0x0d, 1, "LATENCY_TIMER" }, | |
224 | { 0, 0x0e, 1, "HEADER_TYPE" }, | |
225 | { 0, 0x0f, 1, "BIST" }, | |
226 | { 0, 0x10, 4, "BASE_ADDRESS_0" }, | |
227 | { 0, 0x14, 4, "BASE_ADDRESS_1" }, | |
228 | { 0, 0x18, 4, "BASE_ADDRESS_2" }, | |
229 | { 0, 0x1c, 4, "BASE_ADDRESS_3" }, | |
230 | { 0, 0x20, 4, "BASE_ADDRESS_4" }, | |
231 | { 0, 0x24, 4, "BASE_ADDRESS_5" }, | |
232 | { 0, 0x28, 4, "CARDBUS_CIS" }, | |
233 | { 0, 0x2c, 4, "SUBSYSTEM_VENDOR_ID" }, | |
234 | { 0, 0x2e, 2, "SUBSYSTEM_ID" }, | |
235 | { 0, 0x30, 4, "ROM_ADDRESS" }, | |
236 | { 0, 0x3c, 1, "INTERRUPT_LINE" }, | |
237 | { 0, 0x3d, 1, "INTERRUPT_PIN" }, | |
238 | { 0, 0x3e, 1, "MIN_GNT" }, | |
239 | { 0, 0x3f, 1, "MAX_LAT" }, | |
240 | { 0, 0x18, 1, "PRIMARY_BUS" }, | |
241 | { 0, 0x19, 1, "SECONDARY_BUS" }, | |
242 | { 0, 0x1a, 1, "SUBORDINATE_BUS" }, | |
243 | { 0, 0x1b, 1, "SEC_LATENCY_TIMER" }, | |
244 | { 0, 0x1c, 1, "IO_BASE" }, | |
245 | { 0, 0x1d, 1, "IO_LIMIT" }, | |
246 | { 0, 0x1e, 2, "SEC_STATUS" }, | |
247 | { 0, 0x20, 2, "MEMORY_BASE" }, | |
248 | { 0, 0x22, 2, "MEMORY_LIMIT" }, | |
249 | { 0, 0x24, 2, "PREF_MEMORY_BASE" }, | |
250 | { 0, 0x26, 2, "PREF_MEMORY_LIMIT" }, | |
251 | { 0, 0x28, 4, "PREF_BASE_UPPER32" }, | |
252 | { 0, 0x2c, 4, "PREF_LIMIT_UPPER32" }, | |
253 | { 0, 0x30, 2, "IO_BASE_UPPER16" }, | |
254 | { 0, 0x32, 2, "IO_LIMIT_UPPER16" }, | |
255 | { 0, 0x38, 4, "BRIDGE_ROM_ADDRESS" }, | |
256 | { 0, 0x3e, 2, "BRIDGE_CONTROL" }, | |
257 | { 0, 0x10, 4, "CB_CARDBUS_BASE" }, | |
258 | { 0, 0x14, 2, "CB_CAPABILITIES" }, | |
259 | { 0, 0x16, 2, "CB_SEC_STATUS" }, | |
260 | { 0, 0x18, 1, "CB_BUS_NUMBER" }, | |
261 | { 0, 0x19, 1, "CB_CARDBUS_NUMBER" }, | |
262 | { 0, 0x1a, 1, "CB_SUBORDINATE_BUS" }, | |
263 | { 0, 0x1b, 1, "CB_CARDBUS_LATENCY" }, | |
264 | { 0, 0x1c, 4, "CB_MEMORY_BASE_0" }, | |
265 | { 0, 0x20, 4, "CB_MEMORY_LIMIT_0" }, | |
266 | { 0, 0x24, 4, "CB_MEMORY_BASE_1" }, | |
267 | { 0, 0x28, 4, "CB_MEMORY_LIMIT_1" }, | |
268 | { 0, 0x2c, 2, "CB_IO_BASE_0" }, | |
269 | { 0, 0x2e, 2, "CB_IO_BASE_0_HI" }, | |
270 | { 0, 0x30, 2, "CB_IO_LIMIT_0" }, | |
271 | { 0, 0x32, 2, "CB_IO_LIMIT_0_HI" }, | |
272 | { 0, 0x34, 2, "CB_IO_BASE_1" }, | |
273 | { 0, 0x36, 2, "CB_IO_BASE_1_HI" }, | |
274 | { 0, 0x38, 2, "CB_IO_LIMIT_1" }, | |
275 | { 0, 0x3a, 2, "CB_IO_LIMIT_1_HI" }, | |
276 | { 0, 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID" }, | |
277 | { 0, 0x42, 2, "CB_SUBSYSTEM_ID" }, | |
278 | { 0, 0x44, 4, "CB_LEGACY_MODE_BASE" }, | |
279 | { 0x10001, 0, 0, "CAP_PM" }, | |
280 | { 0x10002, 0, 0, "CAP_AGP" }, | |
281 | { 0x10003, 0, 0, "CAP_VPD" }, | |
282 | { 0x10004, 0, 0, "CAP_SLOTID" }, | |
283 | { 0x10005, 0, 0, "CAP_MSI" }, | |
284 | { 0x10006, 0, 0, "CAP_CHSWP" }, | |
285 | { 0x10007, 0, 0, "CAP_PCIX" }, | |
286 | { 0x10008, 0, 0, "CAP_HT" }, | |
287 | { 0x10009, 0, 0, "CAP_VNDR" }, | |
288 | { 0x1000a, 0, 0, "CAP_DBG" }, | |
289 | { 0x1000b, 0, 0, "CAP_CCRC" }, | |
290 | { 0x1000c, 0, 0, "CAP_HOTPLUG" }, | |
291 | { 0x1000d, 0, 0, "CAP_SSVID" }, | |
292 | { 0x1000e, 0, 0, "CAP_AGP3" }, | |
293 | { 0x1000f, 0, 0, "CAP_SECURE" }, | |
294 | { 0x10010, 0, 0, "CAP_EXP" }, | |
295 | { 0x10011, 0, 0, "CAP_MSIX" }, | |
296 | { 0x10012, 0, 0, "CAP_SATA" }, | |
297 | { 0x10013, 0, 0, "CAP_AF" }, | |
298 | { 0x20001, 0, 0, "ECAP_AER" }, | |
299 | { 0x20002, 0, 0, "ECAP_VC" }, | |
300 | { 0x20003, 0, 0, "ECAP_DSN" }, | |
301 | { 0x20004, 0, 0, "ECAP_PB" }, | |
302 | { 0x20005, 0, 0, "ECAP_RCLINK" }, | |
303 | { 0x20006, 0, 0, "ECAP_RCILINK" }, | |
304 | { 0x20007, 0, 0, "ECAP_RCECOLL" }, | |
305 | { 0x20008, 0, 0, "ECAP_MFVC" }, | |
306 | { 0x2000a, 0, 0, "ECAP_RBCB" }, | |
307 | { 0x2000b, 0, 0, "ECAP_VNDR" }, | |
308 | { 0x2000d, 0, 0, "ECAP_ACS" }, | |
309 | { 0x2000e, 0, 0, "ECAP_ARI" }, | |
310 | { 0x2000f, 0, 0, "ECAP_ATS" }, | |
311 | { 0x20010, 0, 0, "ECAP_SRIOV" }, | |
312 | { 0, 0, 0, NULL } | |
b2c9b373 MM |
313 | }; |
314 | ||
4f6b38ca | 315 | static void NONRET PCI_PRINTF(1,2) |
3fe8a38d | 316 | usage(char *msg, ...) |
e4842ff3 | 317 | { |
3fe8a38d MM |
318 | va_list args; |
319 | va_start(args, msg); | |
320 | if (msg) | |
321 | { | |
322 | fprintf(stderr, "setpci: "); | |
323 | vfprintf(stderr, msg, args); | |
324 | fprintf(stderr, "\n\n"); | |
325 | } | |
e4842ff3 | 326 | fprintf(stderr, |
6add52f5 | 327 | "Usage: setpci [<options>] (<device>+ <reg>[=<values>]*)*\n" |
1b99a704 MM |
328 | "\n" |
329 | "General options:\n" | |
6add52f5 MM |
330 | "-f\t\tDon't complain if there's nothing to do\n" |
331 | "-v\t\tBe verbose\n" | |
332 | "-D\t\tList changes, don't commit them\n" | |
1b99a704 MM |
333 | "\n" |
334 | "PCI access options:\n" | |
727ce158 | 335 | GENERIC_HELP |
1b99a704 MM |
336 | "\n" |
337 | "Setting commands:\n" | |
84c8d1bb | 338 | "<device>:\t-s [[[<domain>]:][<bus>]:][<slot>][.[<func>]]\n" |
ace49a96 MM |
339 | "\t\t-d [<vendor>]:[<device>]\n" |
340 | "<reg>:\t\t<base>[+<offset>][.(B|W|L)]\n" | |
341 | "<base>:\t\t<address>\n" | |
342 | "\t\t<named-register>\n" | |
343 | "\t\t[E]CAP_<capability-name>\n" | |
344 | "\t\t[E]CAP<capability-number>\n" | |
b7351143 MM |
345 | "<values>:\t<value>[,<value>...]\n" |
346 | "<value>:\t<hex>\n" | |
ace49a96 | 347 | "\t\t<hex>:<mask>\n"); |
e4842ff3 MM |
348 | exit(1); |
349 | } | |
350 | ||
7b08ebab MM |
351 | static int |
352 | parse_options(int argc, char **argv) | |
e4842ff3 | 353 | { |
7b08ebab MM |
354 | char *opts = GENERIC_OPTIONS; |
355 | int i=1; | |
e4842ff3 | 356 | |
7aad822b MM |
357 | if (argc == 2 && !strcmp(argv[1], "--version")) |
358 | { | |
359 | puts("setpci version " PCIUTILS_VERSION); | |
360 | return 0; | |
361 | } | |
727ce158 | 362 | |
7b08ebab | 363 | while (i < argc && argv[i][0] == '-') |
e4842ff3 | 364 | { |
b69fad0d | 365 | char *c = argv[i++] + 1; |
e4842ff3 | 366 | char *d = c; |
727ce158 | 367 | char *e; |
e4842ff3 MM |
368 | while (*c) |
369 | switch (*c) | |
370 | { | |
7b08ebab MM |
371 | case 0: |
372 | break; | |
e4842ff3 MM |
373 | case 'v': |
374 | verbose++; | |
375 | c++; | |
376 | break; | |
377 | case 'f': | |
378 | force++; | |
379 | c++; | |
380 | break; | |
b2c9b373 MM |
381 | case 'D': |
382 | demo_mode++; | |
383 | c++; | |
384 | break; | |
e4842ff3 | 385 | default: |
727ce158 MM |
386 | if (e = strchr(opts, *c)) |
387 | { | |
388 | char *arg; | |
389 | c++; | |
390 | if (e[1] == ':') | |
391 | { | |
392 | if (*c) | |
393 | arg = c; | |
b69fad0d MM |
394 | else if (i < argc) |
395 | arg = argv[i++]; | |
727ce158 | 396 | else |
3fe8a38d | 397 | usage(NULL); |
727ce158 MM |
398 | c = ""; |
399 | } | |
400 | else | |
401 | arg = NULL; | |
402 | if (!parse_generic_option(*e, pacc, arg)) | |
3fe8a38d | 403 | usage(NULL); |
727ce158 MM |
404 | } |
405 | else | |
406 | { | |
407 | if (c != d) | |
3fe8a38d | 408 | usage(NULL); |
b69fad0d | 409 | return i-1; |
727ce158 | 410 | } |
e4842ff3 | 411 | } |
e4842ff3 | 412 | } |
e4842ff3 | 413 | |
7b08ebab MM |
414 | return i; |
415 | } | |
e4842ff3 | 416 | |
b69fad0d MM |
417 | static int parse_filter(int argc, char **argv, int i, struct pci_filter *filter) |
418 | { | |
419 | char *c = argv[i++]; | |
420 | char *d; | |
421 | ||
422 | if (!c[1] || !strchr("sd", c[1])) | |
423 | usage(NULL); | |
424 | if (c[2]) | |
425 | d = (c[2] == '=') ? c+3 : c+2; | |
426 | else if (i < argc) | |
427 | d = argv[i++]; | |
428 | else | |
429 | usage(NULL); | |
430 | switch (c[1]) | |
431 | { | |
432 | case 's': | |
433 | if (d = pci_filter_parse_slot(filter, d)) | |
434 | die("-s: %s", d); | |
435 | break; | |
436 | case 'd': | |
437 | if (d = pci_filter_parse_id(filter, d)) | |
438 | die("-d: %s", d); | |
439 | break; | |
440 | default: | |
441 | usage(NULL); | |
442 | } | |
443 | ||
444 | return i; | |
445 | } | |
446 | ||
ace49a96 MM |
447 | static const struct reg_name *parse_reg_name(char *name) |
448 | { | |
449 | const struct reg_name *r; | |
450 | ||
451 | for (r = pci_reg_names; r->name; r++) | |
452 | if (!strcasecmp(r->name, name)) | |
453 | return r; | |
454 | return NULL; | |
455 | } | |
456 | ||
457 | static int parse_x32(char *c, char **stopp, unsigned int *resp) | |
458 | { | |
459 | char *stop; | |
460 | ||
461 | if (!*c) | |
462 | return -1; | |
463 | errno = 0; | |
464 | unsigned long int l = strtoul(c, &stop, 16); | |
465 | if (errno) | |
466 | return -1; | |
467 | if ((l & ~0U) != l) | |
468 | return -1; | |
469 | *resp = l; | |
470 | if (*stop) | |
471 | { | |
472 | if (stopp) | |
473 | *stopp = stop; | |
474 | return 0; | |
475 | } | |
476 | else | |
477 | return 1; | |
478 | } | |
479 | ||
480 | static void parse_register(struct op *op, char *base) | |
481 | { | |
482 | const struct reg_name *r; | |
483 | ||
484 | if (parse_x32(base, NULL, &op->addr) > 0) | |
485 | { | |
486 | op->cap = 0; | |
487 | return; | |
488 | } | |
489 | else if (r = parse_reg_name(base)) | |
490 | { | |
491 | op->cap = r->cap; | |
492 | op->addr = r->offset; | |
493 | if (r->width && !op->width) | |
494 | op->width = r->width; | |
495 | return; | |
496 | } | |
497 | else if (!strncasecmp(base, "CAP", 3)) | |
498 | { | |
499 | if (parse_x32(base+3, NULL, &op->cap) > 0 && op->cap < 0x100) | |
500 | { | |
501 | op->cap += 0x10000; | |
502 | op->addr = 0; | |
503 | return; | |
504 | } | |
505 | } | |
506 | else if (!strncasecmp(base, "ECAP", 4)) | |
507 | { | |
508 | if (parse_x32(base+4, NULL, &op->cap) > 0 && op->cap < 0x1000) | |
509 | { | |
510 | op->cap += 0x20000; | |
511 | op->addr = 0; | |
512 | return; | |
513 | } | |
514 | } | |
515 | usage("Unknown register \"%s\"", base); | |
516 | } | |
517 | ||
b69fad0d MM |
518 | static void parse_op(char *c, struct pci_dev **selected_devices) |
519 | { | |
ace49a96 MM |
520 | char *base, *offset, *width, *value; |
521 | char *e, *f; | |
b69fad0d MM |
522 | int n, j; |
523 | struct op *op; | |
ace49a96 MM |
524 | |
525 | /* Split the argument */ | |
526 | base = xstrdup(c); | |
527 | if (value = strchr(base, '=')) | |
528 | *value++ = 0; | |
529 | if (width = strchr(base, '.')) | |
530 | *width++ = 0; | |
531 | if (offset = strchr(base, '+')) | |
532 | *offset++ = 0; | |
b69fad0d MM |
533 | |
534 | /* Look for setting of values and count how many */ | |
b69fad0d | 535 | n = 0; |
ace49a96 | 536 | if (value) |
b69fad0d | 537 | { |
ace49a96 | 538 | if (!*value) |
b69fad0d MM |
539 | usage("Missing value"); |
540 | n++; | |
ace49a96 | 541 | for (e=value; *e; e++) |
b69fad0d MM |
542 | if (*e == ',') |
543 | n++; | |
544 | } | |
545 | ||
546 | /* Allocate the operation */ | |
547 | op = xmalloc(sizeof(struct op) + n*sizeof(struct value)); | |
548 | op->dev_vector = selected_devices; | |
549 | op->num_values = n; | |
550 | ||
ace49a96 MM |
551 | /* What is the width suffix? */ |
552 | if (width) | |
b69fad0d | 553 | { |
ace49a96 MM |
554 | if (width[1]) |
555 | usage("Invalid width \"%s\"", width); | |
556 | switch (*width & 0xdf) | |
b69fad0d MM |
557 | { |
558 | case 'B': | |
559 | op->width = 1; break; | |
560 | case 'W': | |
561 | op->width = 2; break; | |
562 | case 'L': | |
563 | op->width = 4; break; | |
564 | default: | |
ace49a96 | 565 | usage("Invalid width \"%c\"", *width); |
b69fad0d MM |
566 | } |
567 | } | |
568 | else | |
ace49a96 MM |
569 | op->width = 0; |
570 | ||
571 | /* Find the register */ | |
572 | parse_register(op, base); | |
573 | if (!op->width) | |
574 | usage("Missing width"); | |
575 | ||
576 | /* Add offset */ | |
577 | if (offset) | |
b69fad0d | 578 | { |
ace49a96 MM |
579 | unsigned int off; |
580 | if (parse_x32(offset, NULL, &off) <= 0 || off >= 0x1000) | |
581 | die("Invalid offset \"%s\"", offset); | |
582 | op->addr += off; | |
b69fad0d | 583 | } |
ace49a96 MM |
584 | |
585 | /* Check range */ | |
586 | if (op->addr >= 0x1000 || op->addr + op->width*(n ? n : 1) > 0x1000) | |
b69fad0d | 587 | die("Register number out of range!"); |
ace49a96 | 588 | if (op->addr & (op->width - 1)) |
b69fad0d | 589 | die("Unaligned register address!"); |
ace49a96 MM |
590 | |
591 | /* Parse the values */ | |
b69fad0d MM |
592 | for (j=0; j<n; j++) |
593 | { | |
ace49a96 MM |
594 | unsigned int ll, lim; |
595 | e = strchr(value, ','); | |
b69fad0d MM |
596 | if (e) |
597 | *e++ = 0; | |
ace49a96 MM |
598 | if (parse_x32(value, &f, &ll) < 0 || *f && *f != ':') |
599 | usage("Invalid value \"%s\"", value); | |
b69fad0d | 600 | lim = max_values[op->width]; |
b69fad0d | 601 | if (ll > lim && ll < ~0UL - lim) |
ace49a96 | 602 | usage("Value \"%s\" is out of range", value); |
b69fad0d | 603 | op->values[j].value = ll; |
ace49a96 | 604 | if (*f == ':') |
b69fad0d | 605 | { |
ace49a96 MM |
606 | if (parse_x32(f+1, NULL, &ll) <= 0) |
607 | usage("Invalid mask \"%s\"", f+1); | |
b69fad0d | 608 | if (ll > lim && ll < ~0UL - lim) |
ace49a96 | 609 | usage("Mask \"%s\" is out of range", f+1); |
b69fad0d MM |
610 | op->values[j].mask = ll; |
611 | op->values[j].value &= ll; | |
612 | } | |
613 | else | |
614 | op->values[j].mask = ~0U; | |
ace49a96 | 615 | value = e; |
b69fad0d | 616 | } |
ace49a96 | 617 | |
b69fad0d MM |
618 | *last_op = op; |
619 | last_op = &op->next; | |
620 | op->next = NULL; | |
621 | } | |
622 | ||
7b08ebab MM |
623 | static void parse_ops(int argc, char **argv, int i) |
624 | { | |
625 | enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT; | |
626 | struct pci_filter filter; | |
627 | struct pci_dev **selected_devices = NULL; | |
628 | ||
629 | while (i < argc) | |
e4842ff3 | 630 | { |
b69fad0d | 631 | char *c = argv[i++]; |
e4842ff3 MM |
632 | |
633 | if (*c == '-') | |
634 | { | |
e4842ff3 | 635 | if (state != STATE_GOT_FILTER) |
b69fad0d MM |
636 | pci_filter_init(pacc, &filter); |
637 | i = parse_filter(argc, argv, i-1, &filter); | |
638 | state = STATE_GOT_FILTER; | |
e4842ff3 | 639 | } |
e4842ff3 MM |
640 | else |
641 | { | |
b69fad0d MM |
642 | if (state == STATE_INIT) |
643 | usage(NULL); | |
e4842ff3 MM |
644 | if (state == STATE_GOT_FILTER) |
645 | selected_devices = select_devices(&filter); | |
646 | if (!selected_devices[0] && !force) | |
647 | fprintf(stderr, "setpci: Warning: No devices selected for `%s'.\n", c); | |
b69fad0d | 648 | parse_op(c, selected_devices); |
e4842ff3 | 649 | state = STATE_GOT_OP; |
e4842ff3 | 650 | } |
e4842ff3 MM |
651 | } |
652 | if (state == STATE_INIT) | |
3fe8a38d | 653 | usage("No operation specified"); |
7b08ebab MM |
654 | } |
655 | ||
656 | int | |
657 | main(int argc, char **argv) | |
658 | { | |
659 | int i; | |
660 | ||
661 | pacc = pci_alloc(); | |
662 | pacc->error = die; | |
663 | i = parse_options(argc, argv); | |
664 | ||
665 | pci_init(pacc); | |
666 | pci_scan_bus(pacc); | |
e4842ff3 | 667 | |
7b08ebab | 668 | parse_ops(argc, argv, i); |
b2c9b373 | 669 | scan_ops(first_op); |
e4842ff3 MM |
670 | execute(first_op); |
671 | ||
672 | return 0; | |
673 | } |