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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> |
ace49a96 | 13 | #include <errno.h> |
7aad822b | 14 | |
1b99a704 | 15 | #define PCIUTILS_SETPCI |
e4842ff3 MM |
16 | #include "pciutils.h" |
17 | ||
18 | static int force; /* Don't complain if no devices match */ | |
19 | static int verbose; /* Verbosity level */ | |
b2c9b373 | 20 | static int demo_mode; /* Only show */ |
e4842ff3 | 21 | |
81afa98c MM |
22 | const char program_name[] = "setpci"; |
23 | ||
727ce158 | 24 | static struct pci_access *pacc; |
e4842ff3 | 25 | |
b7351143 MM |
26 | struct value { |
27 | unsigned int value; | |
28 | unsigned int mask; | |
29 | }; | |
30 | ||
e4842ff3 MM |
31 | struct op { |
32 | struct op *next; | |
727ce158 | 33 | struct pci_dev **dev_vector; |
27d4e0fb MM |
34 | u16 cap_type; /* PCI_CAP_xxx or 0 */ |
35 | u16 cap_id; | |
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 */ |
6639fd17 | 39 | unsigned int number; /* The n-th capability of that id */ |
b7351143 | 40 | struct value values[0]; |
e4842ff3 MM |
41 | }; |
42 | ||
43 | static struct op *first_op, **last_op = &first_op; | |
b7351143 | 44 | static unsigned int max_values[] = { 0, 0xff, 0xffff, 0, 0xffffffff }; |
e4842ff3 | 45 | |
727ce158 | 46 | static struct pci_dev ** |
e4842ff3 MM |
47 | select_devices(struct pci_filter *filt) |
48 | { | |
727ce158 | 49 | struct pci_dev *z, **a, **b; |
e4842ff3 MM |
50 | int cnt = 1; |
51 | ||
de7ef8bc | 52 | for (z=pacc->devices; z; z=z->next) |
727ce158 | 53 | if (pci_filter_match(filt, z)) |
e4842ff3 MM |
54 | cnt++; |
55 | a = b = xmalloc(sizeof(struct device *) * cnt); | |
de7ef8bc | 56 | for (z=pacc->devices; z; z=z->next) |
727ce158 | 57 | if (pci_filter_match(filt, z)) |
e4842ff3 MM |
58 | *a++ = z; |
59 | *a = NULL; | |
60 | return b; | |
61 | } | |
62 | ||
256fabef | 63 | static void PCI_PRINTF(1,2) |
f34b0c7a MM |
64 | trace(const char *fmt, ...) |
65 | { | |
66 | va_list args; | |
67 | va_start(args, fmt); | |
68 | if (verbose) | |
69 | vprintf(fmt, args); | |
70 | va_end(args); | |
71 | } | |
72 | ||
e4842ff3 | 73 | static void |
727ce158 | 74 | exec_op(struct op *op, struct pci_dev *dev) |
e4842ff3 | 75 | { |
f34b0c7a MM |
76 | const char * const formats[] = { NULL, " %02x", " %04x", NULL, " %08x" }; |
77 | const char * const mask_formats[] = { NULL, " %02x->(%02x:%02x)->%02x", " %04x->(%04x:%04x)->%04x", NULL, " %08x->(%08x:%08x)->%08x" }; | |
ace49a96 MM |
78 | unsigned int i, x, y; |
79 | int addr = 0; | |
b7351143 | 80 | int width = op->width; |
f34b0c7a | 81 | char slot[16]; |
e4842ff3 | 82 | |
f34b0c7a | 83 | sprintf(slot, "%04x:%02x:%02x.%x", dev->domain, dev->bus, dev->dev, dev->func); |
df59fab4 | 84 | trace("%s ", slot); |
27d4e0fb | 85 | if (op->cap_type) |
ace49a96 MM |
86 | { |
87 | struct pci_cap *cap; | |
6639fd17 DS |
88 | unsigned int cap_nr = op->number; |
89 | cap = pci_find_cap_nr(dev, op->cap_id, op->cap_type, &cap_nr); | |
ace49a96 | 90 | if (cap) |
6639fd17 DS |
91 | addr = cap->addr; |
92 | else if (cap_nr == 0) | |
93 | die("%s: Instance #%d of %s %04x not found - there are no capabilities with that id.", slot, | |
94 | op->number, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), | |
95 | op->cap_id); | |
ace49a96 | 96 | else |
785b2e0e | 97 | die("%s: Instance #%d of %s %04x not found - there %s only %d %s with that id.", slot, |
6639fd17 | 98 | op->number, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), |
785b2e0e DS |
99 | op->cap_id, ((cap_nr == 1) ? "is" : "are"), cap_nr, |
100 | ((cap_nr == 1) ? "capability" : "capabilities")); | |
6639fd17 | 101 | |
df59fab4 | 102 | trace(((op->cap_type == PCI_CAP_NORMAL) ? "(cap %02x @%02x) " : "(ecap %04x @%03x) "), op->cap_id, addr); |
ace49a96 MM |
103 | } |
104 | addr += op->addr; | |
df59fab4 | 105 | trace("@%02x", addr); |
f34b0c7a MM |
106 | |
107 | /* We have already checked it when parsing, but addressing relative to capabilities can change the address. */ | |
108 | if (addr & (width-1)) | |
109 | die("%s: Unaligned access of width %d to register %04x", slot, width, addr); | |
110 | if (addr + width > 0x1000) | |
111 | die("%s: Access of width %d to register %04x out of range", slot, width, addr); | |
112 | ||
ace49a96 | 113 | if (op->num_values) |
b7351143 | 114 | { |
de7ef8bc | 115 | for (i=0; i<op->num_values; i++) |
b7351143 MM |
116 | { |
117 | if ((op->values[i].mask & max_values[width]) == max_values[width]) | |
118 | { | |
119 | x = op->values[i].value; | |
f34b0c7a | 120 | trace(formats[width], op->values[i].value); |
b7351143 MM |
121 | } |
122 | else | |
123 | { | |
124 | switch (width) | |
125 | { | |
126 | case 1: | |
127 | y = pci_read_byte(dev, addr); | |
128 | break; | |
129 | case 2: | |
130 | y = pci_read_word(dev, addr); | |
131 | break; | |
132 | default: | |
133 | y = pci_read_long(dev, addr); | |
134 | break; | |
135 | } | |
136 | x = (y & ~op->values[i].mask) | op->values[i].value; | |
f34b0c7a | 137 | trace(mask_formats[width], y, op->values[i].value, op->values[i].mask, x); |
b7351143 MM |
138 | } |
139 | if (!demo_mode) | |
140 | { | |
141 | switch (width) | |
142 | { | |
143 | case 1: | |
144 | pci_write_byte(dev, addr, x); | |
145 | break; | |
146 | case 2: | |
147 | pci_write_word(dev, addr, x); | |
148 | break; | |
149 | default: | |
150 | pci_write_long(dev, addr, x); | |
151 | break; | |
152 | } | |
153 | } | |
154 | addr += width; | |
155 | } | |
f34b0c7a | 156 | trace("\n"); |
b7351143 | 157 | } |
e4842ff3 MM |
158 | else |
159 | { | |
f34b0c7a | 160 | trace(" = "); |
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 | } |
f34b0c7a | 173 | printf(formats[width]+1, 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 | { | |
89caa7b8 MM |
199 | if (demo_mode) |
200 | return; | |
b2c9b373 MM |
201 | while (op) |
202 | { | |
ace49a96 | 203 | if (op->num_values) |
727ce158 | 204 | pacc->writeable = 1; |
b2c9b373 MM |
205 | op = op->next; |
206 | } | |
207 | } | |
208 | ||
209 | struct reg_name { | |
ace49a96 | 210 | unsigned int cap; |
3fe8a38d MM |
211 | unsigned int offset; |
212 | unsigned int width; | |
b7351143 | 213 | const char *name; |
b2c9b373 MM |
214 | }; |
215 | ||
b7351143 | 216 | static const struct reg_name pci_reg_names[] = { |
ace49a96 MM |
217 | { 0, 0x00, 2, "VENDOR_ID" }, |
218 | { 0, 0x02, 2, "DEVICE_ID" }, | |
219 | { 0, 0x04, 2, "COMMAND" }, | |
220 | { 0, 0x06, 2, "STATUS" }, | |
221 | { 0, 0x08, 1, "REVISION" }, | |
222 | { 0, 0x09, 1, "CLASS_PROG" }, | |
223 | { 0, 0x0a, 2, "CLASS_DEVICE" }, | |
224 | { 0, 0x0c, 1, "CACHE_LINE_SIZE" }, | |
225 | { 0, 0x0d, 1, "LATENCY_TIMER" }, | |
226 | { 0, 0x0e, 1, "HEADER_TYPE" }, | |
227 | { 0, 0x0f, 1, "BIST" }, | |
228 | { 0, 0x10, 4, "BASE_ADDRESS_0" }, | |
229 | { 0, 0x14, 4, "BASE_ADDRESS_1" }, | |
230 | { 0, 0x18, 4, "BASE_ADDRESS_2" }, | |
231 | { 0, 0x1c, 4, "BASE_ADDRESS_3" }, | |
232 | { 0, 0x20, 4, "BASE_ADDRESS_4" }, | |
233 | { 0, 0x24, 4, "BASE_ADDRESS_5" }, | |
234 | { 0, 0x28, 4, "CARDBUS_CIS" }, | |
1efd2d4d | 235 | { 0, 0x2c, 2, "SUBSYSTEM_VENDOR_ID" }, |
ace49a96 MM |
236 | { 0, 0x2e, 2, "SUBSYSTEM_ID" }, |
237 | { 0, 0x30, 4, "ROM_ADDRESS" }, | |
238 | { 0, 0x3c, 1, "INTERRUPT_LINE" }, | |
239 | { 0, 0x3d, 1, "INTERRUPT_PIN" }, | |
240 | { 0, 0x3e, 1, "MIN_GNT" }, | |
241 | { 0, 0x3f, 1, "MAX_LAT" }, | |
242 | { 0, 0x18, 1, "PRIMARY_BUS" }, | |
243 | { 0, 0x19, 1, "SECONDARY_BUS" }, | |
244 | { 0, 0x1a, 1, "SUBORDINATE_BUS" }, | |
245 | { 0, 0x1b, 1, "SEC_LATENCY_TIMER" }, | |
246 | { 0, 0x1c, 1, "IO_BASE" }, | |
247 | { 0, 0x1d, 1, "IO_LIMIT" }, | |
248 | { 0, 0x1e, 2, "SEC_STATUS" }, | |
249 | { 0, 0x20, 2, "MEMORY_BASE" }, | |
250 | { 0, 0x22, 2, "MEMORY_LIMIT" }, | |
251 | { 0, 0x24, 2, "PREF_MEMORY_BASE" }, | |
252 | { 0, 0x26, 2, "PREF_MEMORY_LIMIT" }, | |
253 | { 0, 0x28, 4, "PREF_BASE_UPPER32" }, | |
254 | { 0, 0x2c, 4, "PREF_LIMIT_UPPER32" }, | |
255 | { 0, 0x30, 2, "IO_BASE_UPPER16" }, | |
256 | { 0, 0x32, 2, "IO_LIMIT_UPPER16" }, | |
257 | { 0, 0x38, 4, "BRIDGE_ROM_ADDRESS" }, | |
258 | { 0, 0x3e, 2, "BRIDGE_CONTROL" }, | |
259 | { 0, 0x10, 4, "CB_CARDBUS_BASE" }, | |
260 | { 0, 0x14, 2, "CB_CAPABILITIES" }, | |
261 | { 0, 0x16, 2, "CB_SEC_STATUS" }, | |
262 | { 0, 0x18, 1, "CB_BUS_NUMBER" }, | |
263 | { 0, 0x19, 1, "CB_CARDBUS_NUMBER" }, | |
264 | { 0, 0x1a, 1, "CB_SUBORDINATE_BUS" }, | |
265 | { 0, 0x1b, 1, "CB_CARDBUS_LATENCY" }, | |
266 | { 0, 0x1c, 4, "CB_MEMORY_BASE_0" }, | |
267 | { 0, 0x20, 4, "CB_MEMORY_LIMIT_0" }, | |
268 | { 0, 0x24, 4, "CB_MEMORY_BASE_1" }, | |
269 | { 0, 0x28, 4, "CB_MEMORY_LIMIT_1" }, | |
270 | { 0, 0x2c, 2, "CB_IO_BASE_0" }, | |
271 | { 0, 0x2e, 2, "CB_IO_BASE_0_HI" }, | |
272 | { 0, 0x30, 2, "CB_IO_LIMIT_0" }, | |
273 | { 0, 0x32, 2, "CB_IO_LIMIT_0_HI" }, | |
274 | { 0, 0x34, 2, "CB_IO_BASE_1" }, | |
275 | { 0, 0x36, 2, "CB_IO_BASE_1_HI" }, | |
276 | { 0, 0x38, 2, "CB_IO_LIMIT_1" }, | |
277 | { 0, 0x3a, 2, "CB_IO_LIMIT_1_HI" }, | |
278 | { 0, 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID" }, | |
279 | { 0, 0x42, 2, "CB_SUBSYSTEM_ID" }, | |
280 | { 0, 0x44, 4, "CB_LEGACY_MODE_BASE" }, | |
281 | { 0x10001, 0, 0, "CAP_PM" }, | |
282 | { 0x10002, 0, 0, "CAP_AGP" }, | |
283 | { 0x10003, 0, 0, "CAP_VPD" }, | |
284 | { 0x10004, 0, 0, "CAP_SLOTID" }, | |
285 | { 0x10005, 0, 0, "CAP_MSI" }, | |
286 | { 0x10006, 0, 0, "CAP_CHSWP" }, | |
287 | { 0x10007, 0, 0, "CAP_PCIX" }, | |
288 | { 0x10008, 0, 0, "CAP_HT" }, | |
289 | { 0x10009, 0, 0, "CAP_VNDR" }, | |
290 | { 0x1000a, 0, 0, "CAP_DBG" }, | |
291 | { 0x1000b, 0, 0, "CAP_CCRC" }, | |
292 | { 0x1000c, 0, 0, "CAP_HOTPLUG" }, | |
293 | { 0x1000d, 0, 0, "CAP_SSVID" }, | |
294 | { 0x1000e, 0, 0, "CAP_AGP3" }, | |
295 | { 0x1000f, 0, 0, "CAP_SECURE" }, | |
296 | { 0x10010, 0, 0, "CAP_EXP" }, | |
297 | { 0x10011, 0, 0, "CAP_MSIX" }, | |
298 | { 0x10012, 0, 0, "CAP_SATA" }, | |
299 | { 0x10013, 0, 0, "CAP_AF" }, | |
300 | { 0x20001, 0, 0, "ECAP_AER" }, | |
301 | { 0x20002, 0, 0, "ECAP_VC" }, | |
302 | { 0x20003, 0, 0, "ECAP_DSN" }, | |
303 | { 0x20004, 0, 0, "ECAP_PB" }, | |
304 | { 0x20005, 0, 0, "ECAP_RCLINK" }, | |
305 | { 0x20006, 0, 0, "ECAP_RCILINK" }, | |
306 | { 0x20007, 0, 0, "ECAP_RCECOLL" }, | |
307 | { 0x20008, 0, 0, "ECAP_MFVC" }, | |
308 | { 0x2000a, 0, 0, "ECAP_RBCB" }, | |
309 | { 0x2000b, 0, 0, "ECAP_VNDR" }, | |
310 | { 0x2000d, 0, 0, "ECAP_ACS" }, | |
311 | { 0x2000e, 0, 0, "ECAP_ARI" }, | |
312 | { 0x2000f, 0, 0, "ECAP_ATS" }, | |
313 | { 0x20010, 0, 0, "ECAP_SRIOV" }, | |
de91b6f2 | 314 | { 0x2001d, 0, 0, "ECAP_DPC" }, |
ace49a96 | 315 | { 0, 0, 0, NULL } |
b2c9b373 MM |
316 | }; |
317 | ||
a82ca638 MM |
318 | static void |
319 | dump_registers(void) | |
320 | { | |
321 | const struct reg_name *r; | |
322 | ||
323 | printf("cap pos w name\n"); | |
324 | for (r = pci_reg_names; r->name; r++) | |
325 | { | |
326 | if (r->cap >= 0x20000) | |
327 | printf("%04x", r->cap - 0x20000); | |
328 | else if (r->cap) | |
329 | printf(" %02x", r->cap - 0x10000); | |
330 | else | |
331 | printf(" "); | |
332 | printf(" %02x %c %s\n", r->offset, "-BW?L"[r->width], r->name); | |
333 | } | |
334 | } | |
335 | ||
fa8deaa6 MM |
336 | static void NONRET |
337 | usage(void) | |
e4842ff3 MM |
338 | { |
339 | fprintf(stderr, | |
6add52f5 | 340 | "Usage: setpci [<options>] (<device>+ <reg>[=<values>]*)*\n" |
1b99a704 MM |
341 | "\n" |
342 | "General options:\n" | |
6add52f5 MM |
343 | "-f\t\tDon't complain if there's nothing to do\n" |
344 | "-v\t\tBe verbose\n" | |
345 | "-D\t\tList changes, don't commit them\n" | |
a82ca638 | 346 | "--dumpregs\tDump all known register names and exit\n" |
1b99a704 MM |
347 | "\n" |
348 | "PCI access options:\n" | |
727ce158 | 349 | GENERIC_HELP |
1b99a704 MM |
350 | "\n" |
351 | "Setting commands:\n" | |
84c8d1bb | 352 | "<device>:\t-s [[[<domain>]:][<bus>]:][<slot>][.[<func>]]\n" |
ace49a96 | 353 | "\t\t-d [<vendor>]:[<device>]\n" |
6639fd17 | 354 | "<reg>:\t\t<base>[+<offset>][.(B|W|L)][@<number>]\n" |
ace49a96 MM |
355 | "<base>:\t\t<address>\n" |
356 | "\t\t<named-register>\n" | |
357 | "\t\t[E]CAP_<capability-name>\n" | |
358 | "\t\t[E]CAP<capability-number>\n" | |
b7351143 MM |
359 | "<values>:\t<value>[,<value>...]\n" |
360 | "<value>:\t<hex>\n" | |
ace49a96 | 361 | "\t\t<hex>:<mask>\n"); |
fa8deaa6 MM |
362 | exit(0); |
363 | } | |
364 | ||
365 | static void NONRET PCI_PRINTF(1,2) | |
366 | parse_err(const char *msg, ...) | |
367 | { | |
368 | va_list args; | |
369 | va_start(args, msg); | |
370 | fprintf(stderr, "setpci: "); | |
371 | vfprintf(stderr, msg, args); | |
372 | fprintf(stderr, ".\nTry `setpci --help' for more information.\n"); | |
e4842ff3 MM |
373 | exit(1); |
374 | } | |
375 | ||
7b08ebab MM |
376 | static int |
377 | parse_options(int argc, char **argv) | |
e4842ff3 | 378 | { |
fa8deaa6 | 379 | const char opts[] = GENERIC_OPTIONS; |
7b08ebab | 380 | int i=1; |
e4842ff3 | 381 | |
fa8deaa6 | 382 | if (argc == 2) |
a82ca638 | 383 | { |
fa8deaa6 MM |
384 | if (!strcmp(argv[1], "--help")) |
385 | usage(); | |
386 | if (!strcmp(argv[1], "--version")) | |
1c7f2b08 MM |
387 | { |
388 | puts("setpci version " PCIUTILS_VERSION); | |
389 | exit(0); | |
390 | } | |
fa8deaa6 | 391 | if (!strcmp(argv[1], "--dumpregs")) |
1c7f2b08 MM |
392 | { |
393 | dump_registers(); | |
394 | exit(0); | |
395 | } | |
a82ca638 | 396 | } |
727ce158 | 397 | |
7b08ebab | 398 | while (i < argc && argv[i][0] == '-') |
e4842ff3 | 399 | { |
b69fad0d | 400 | char *c = argv[i++] + 1; |
e4842ff3 | 401 | char *d = c; |
727ce158 | 402 | char *e; |
e4842ff3 MM |
403 | while (*c) |
404 | switch (*c) | |
405 | { | |
7b08ebab MM |
406 | case 0: |
407 | break; | |
e4842ff3 MM |
408 | case 'v': |
409 | verbose++; | |
410 | c++; | |
411 | break; | |
412 | case 'f': | |
413 | force++; | |
414 | c++; | |
415 | break; | |
b2c9b373 MM |
416 | case 'D': |
417 | demo_mode++; | |
418 | c++; | |
419 | break; | |
e4842ff3 | 420 | default: |
727ce158 MM |
421 | if (e = strchr(opts, *c)) |
422 | { | |
423 | char *arg; | |
424 | c++; | |
425 | if (e[1] == ':') | |
426 | { | |
427 | if (*c) | |
428 | arg = c; | |
b69fad0d MM |
429 | else if (i < argc) |
430 | arg = argv[i++]; | |
727ce158 | 431 | else |
fa8deaa6 | 432 | parse_err("Option -%c requires an argument", *e); |
727ce158 MM |
433 | c = ""; |
434 | } | |
435 | else | |
436 | arg = NULL; | |
437 | if (!parse_generic_option(*e, pacc, arg)) | |
fa8deaa6 | 438 | parse_err("Unable to parse option -%c", *e); |
727ce158 MM |
439 | } |
440 | else | |
441 | { | |
442 | if (c != d) | |
fa8deaa6 | 443 | parse_err("Invalid or misplaced option -%c", *c); |
b69fad0d | 444 | return i-1; |
727ce158 | 445 | } |
e4842ff3 | 446 | } |
e4842ff3 | 447 | } |
e4842ff3 | 448 | |
7b08ebab MM |
449 | return i; |
450 | } | |
e4842ff3 | 451 | |
b69fad0d MM |
452 | static int parse_filter(int argc, char **argv, int i, struct pci_filter *filter) |
453 | { | |
454 | char *c = argv[i++]; | |
455 | char *d; | |
456 | ||
457 | if (!c[1] || !strchr("sd", c[1])) | |
fa8deaa6 | 458 | parse_err("Invalid option -%c", c[1]); |
b69fad0d MM |
459 | if (c[2]) |
460 | d = (c[2] == '=') ? c+3 : c+2; | |
461 | else if (i < argc) | |
462 | d = argv[i++]; | |
463 | else | |
fa8deaa6 | 464 | parse_err("Option -%c requires an argument", c[1]); |
b69fad0d MM |
465 | switch (c[1]) |
466 | { | |
467 | case 's': | |
468 | if (d = pci_filter_parse_slot(filter, d)) | |
fa8deaa6 | 469 | parse_err("Unable to parse filter -s %s", d); |
b69fad0d MM |
470 | break; |
471 | case 'd': | |
472 | if (d = pci_filter_parse_id(filter, d)) | |
fa8deaa6 | 473 | parse_err("Unable to parse filter -d %s", d); |
b69fad0d MM |
474 | break; |
475 | default: | |
fa8deaa6 | 476 | parse_err("Unknown filter option -%c", c[1]); |
b69fad0d MM |
477 | } |
478 | ||
479 | return i; | |
480 | } | |
481 | ||
ace49a96 MM |
482 | static const struct reg_name *parse_reg_name(char *name) |
483 | { | |
484 | const struct reg_name *r; | |
485 | ||
486 | for (r = pci_reg_names; r->name; r++) | |
487 | if (!strcasecmp(r->name, name)) | |
488 | return r; | |
489 | return NULL; | |
490 | } | |
491 | ||
492 | static int parse_x32(char *c, char **stopp, unsigned int *resp) | |
493 | { | |
494 | char *stop; | |
e2864327 | 495 | unsigned long int l; |
ace49a96 MM |
496 | |
497 | if (!*c) | |
498 | return -1; | |
499 | errno = 0; | |
e2864327 | 500 | l = strtoul(c, &stop, 16); |
ace49a96 MM |
501 | if (errno) |
502 | return -1; | |
503 | if ((l & ~0U) != l) | |
504 | return -1; | |
505 | *resp = l; | |
506 | if (*stop) | |
507 | { | |
508 | if (stopp) | |
509 | *stopp = stop; | |
510 | return 0; | |
511 | } | |
512 | else | |
607fd241 MM |
513 | { |
514 | if (stopp) | |
515 | *stopp = NULL; | |
516 | return 1; | |
517 | } | |
ace49a96 MM |
518 | } |
519 | ||
520 | static void parse_register(struct op *op, char *base) | |
521 | { | |
522 | const struct reg_name *r; | |
27d4e0fb | 523 | unsigned int cap; |
ace49a96 | 524 | |
27d4e0fb | 525 | op->cap_type = op->cap_id = 0; |
ace49a96 | 526 | if (parse_x32(base, NULL, &op->addr) > 0) |
27d4e0fb | 527 | return; |
ace49a96 MM |
528 | else if (r = parse_reg_name(base)) |
529 | { | |
27d4e0fb MM |
530 | switch (r->cap & 0xff0000) |
531 | { | |
532 | case 0x10000: | |
533 | op->cap_type = PCI_CAP_NORMAL; | |
534 | break; | |
535 | case 0x20000: | |
536 | op->cap_type = PCI_CAP_EXTENDED; | |
537 | break; | |
538 | } | |
539 | op->cap_id = r->cap & 0xffff; | |
ace49a96 MM |
540 | op->addr = r->offset; |
541 | if (r->width && !op->width) | |
542 | op->width = r->width; | |
543 | return; | |
544 | } | |
545 | else if (!strncasecmp(base, "CAP", 3)) | |
546 | { | |
27d4e0fb | 547 | if (parse_x32(base+3, NULL, &cap) > 0 && cap < 0x100) |
ace49a96 | 548 | { |
27d4e0fb MM |
549 | op->cap_type = PCI_CAP_NORMAL; |
550 | op->cap_id = cap; | |
ace49a96 MM |
551 | op->addr = 0; |
552 | return; | |
553 | } | |
554 | } | |
555 | else if (!strncasecmp(base, "ECAP", 4)) | |
556 | { | |
27d4e0fb | 557 | if (parse_x32(base+4, NULL, &cap) > 0 && cap < 0x1000) |
ace49a96 | 558 | { |
27d4e0fb MM |
559 | op->cap_type = PCI_CAP_EXTENDED; |
560 | op->cap_id = cap; | |
ace49a96 MM |
561 | op->addr = 0; |
562 | return; | |
563 | } | |
564 | } | |
fa8deaa6 | 565 | parse_err("Unknown register \"%s\"", base); |
ace49a96 MM |
566 | } |
567 | ||
b69fad0d MM |
568 | static void parse_op(char *c, struct pci_dev **selected_devices) |
569 | { | |
6639fd17 | 570 | char *base, *offset, *width, *value, *number; |
ace49a96 | 571 | char *e, *f; |
b69fad0d MM |
572 | int n, j; |
573 | struct op *op; | |
ace49a96 MM |
574 | |
575 | /* Split the argument */ | |
576 | base = xstrdup(c); | |
577 | if (value = strchr(base, '=')) | |
578 | *value++ = 0; | |
6639fd17 DS |
579 | if (number = strchr(base, '@')) |
580 | *number++ = 0; | |
ace49a96 MM |
581 | if (width = strchr(base, '.')) |
582 | *width++ = 0; | |
583 | if (offset = strchr(base, '+')) | |
584 | *offset++ = 0; | |
b69fad0d MM |
585 | |
586 | /* Look for setting of values and count how many */ | |
b69fad0d | 587 | n = 0; |
ace49a96 | 588 | if (value) |
b69fad0d | 589 | { |
ace49a96 | 590 | if (!*value) |
fa8deaa6 | 591 | parse_err("Missing value"); |
b69fad0d | 592 | n++; |
ace49a96 | 593 | for (e=value; *e; e++) |
b69fad0d MM |
594 | if (*e == ',') |
595 | n++; | |
596 | } | |
597 | ||
598 | /* Allocate the operation */ | |
599 | op = xmalloc(sizeof(struct op) + n*sizeof(struct value)); | |
600 | op->dev_vector = selected_devices; | |
601 | op->num_values = n; | |
602 | ||
ace49a96 MM |
603 | /* What is the width suffix? */ |
604 | if (width) | |
b69fad0d | 605 | { |
ace49a96 | 606 | if (width[1]) |
fa8deaa6 | 607 | parse_err("Invalid width \"%s\"", width); |
ace49a96 | 608 | switch (*width & 0xdf) |
b69fad0d MM |
609 | { |
610 | case 'B': | |
611 | op->width = 1; break; | |
612 | case 'W': | |
613 | op->width = 2; break; | |
614 | case 'L': | |
615 | op->width = 4; break; | |
616 | default: | |
fa8deaa6 | 617 | parse_err("Invalid width \"%c\"", *width); |
b69fad0d MM |
618 | } |
619 | } | |
620 | else | |
ace49a96 MM |
621 | op->width = 0; |
622 | ||
6639fd17 DS |
623 | /* Check which n-th capability of the same id we want */ |
624 | if (number) | |
625 | { | |
626 | unsigned int num; | |
627 | if (parse_x32(number, NULL, &num) <= 0 || (int) num < 0) | |
628 | parse_err("Invalid number \"%s\"", number); | |
629 | op->number = num; | |
630 | ||
631 | } | |
632 | else | |
633 | op->number = 0; | |
634 | ||
ace49a96 MM |
635 | /* Find the register */ |
636 | parse_register(op, base); | |
637 | if (!op->width) | |
fa8deaa6 | 638 | parse_err("Missing width"); |
ace49a96 MM |
639 | |
640 | /* Add offset */ | |
641 | if (offset) | |
b69fad0d | 642 | { |
ace49a96 MM |
643 | unsigned int off; |
644 | if (parse_x32(offset, NULL, &off) <= 0 || off >= 0x1000) | |
fa8deaa6 | 645 | parse_err("Invalid offset \"%s\"", offset); |
ace49a96 | 646 | op->addr += off; |
b69fad0d | 647 | } |
ace49a96 MM |
648 | |
649 | /* Check range */ | |
650 | if (op->addr >= 0x1000 || op->addr + op->width*(n ? n : 1) > 0x1000) | |
fa8deaa6 | 651 | parse_err("Register number %02x out of range", op->addr); |
ace49a96 | 652 | if (op->addr & (op->width - 1)) |
fa8deaa6 | 653 | parse_err("Unaligned register address %02x", op->addr); |
ace49a96 MM |
654 | |
655 | /* Parse the values */ | |
b69fad0d MM |
656 | for (j=0; j<n; j++) |
657 | { | |
ace49a96 MM |
658 | unsigned int ll, lim; |
659 | e = strchr(value, ','); | |
b69fad0d MM |
660 | if (e) |
661 | *e++ = 0; | |
f6476d65 | 662 | if (parse_x32(value, &f, &ll) < 0 || f && *f != ':') |
fa8deaa6 | 663 | parse_err("Invalid value \"%s\"", value); |
b69fad0d | 664 | lim = max_values[op->width]; |
fcca0ba5 | 665 | if (ll > lim && ll < ~0U - lim) |
fa8deaa6 | 666 | parse_err("Value \"%s\" is out of range", value); |
b69fad0d | 667 | op->values[j].value = ll; |
f6476d65 | 668 | if (f && *f == ':') |
b69fad0d | 669 | { |
ace49a96 | 670 | if (parse_x32(f+1, NULL, &ll) <= 0) |
fa8deaa6 | 671 | parse_err("Invalid mask \"%s\"", f+1); |
fcca0ba5 | 672 | if (ll > lim && ll < ~0U - lim) |
fa8deaa6 | 673 | parse_err("Mask \"%s\" is out of range", f+1); |
b69fad0d MM |
674 | op->values[j].mask = ll; |
675 | op->values[j].value &= ll; | |
676 | } | |
677 | else | |
678 | op->values[j].mask = ~0U; | |
ace49a96 | 679 | value = e; |
b69fad0d | 680 | } |
ace49a96 | 681 | |
b69fad0d MM |
682 | *last_op = op; |
683 | last_op = &op->next; | |
684 | op->next = NULL; | |
685 | } | |
686 | ||
7b08ebab MM |
687 | static void parse_ops(int argc, char **argv, int i) |
688 | { | |
689 | enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT; | |
690 | struct pci_filter filter; | |
691 | struct pci_dev **selected_devices = NULL; | |
692 | ||
693 | while (i < argc) | |
e4842ff3 | 694 | { |
b69fad0d | 695 | char *c = argv[i++]; |
e4842ff3 MM |
696 | |
697 | if (*c == '-') | |
698 | { | |
e4842ff3 | 699 | if (state != STATE_GOT_FILTER) |
b69fad0d MM |
700 | pci_filter_init(pacc, &filter); |
701 | i = parse_filter(argc, argv, i-1, &filter); | |
702 | state = STATE_GOT_FILTER; | |
e4842ff3 | 703 | } |
e4842ff3 MM |
704 | else |
705 | { | |
b69fad0d | 706 | if (state == STATE_INIT) |
fa8deaa6 | 707 | parse_err("Filter specification expected"); |
e4842ff3 MM |
708 | if (state == STATE_GOT_FILTER) |
709 | selected_devices = select_devices(&filter); | |
710 | if (!selected_devices[0] && !force) | |
fa8deaa6 | 711 | fprintf(stderr, "setpci: Warning: No devices selected for \"%s\".\n", c); |
b69fad0d | 712 | parse_op(c, selected_devices); |
e4842ff3 | 713 | state = STATE_GOT_OP; |
e4842ff3 | 714 | } |
e4842ff3 MM |
715 | } |
716 | if (state == STATE_INIT) | |
fa8deaa6 | 717 | parse_err("No operation specified"); |
7b08ebab MM |
718 | } |
719 | ||
720 | int | |
721 | main(int argc, char **argv) | |
722 | { | |
723 | int i; | |
724 | ||
725 | pacc = pci_alloc(); | |
726 | pacc->error = die; | |
727 | i = parse_options(argc, argv); | |
728 | ||
729 | pci_init(pacc); | |
730 | pci_scan_bus(pacc); | |
e4842ff3 | 731 | |
7b08ebab | 732 | parse_ops(argc, argv, i); |
b2c9b373 | 733 | scan_ops(first_op); |
e4842ff3 MM |
734 | execute(first_op); |
735 | ||
736 | return 0; | |
737 | } |