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Commit | Line | Data |
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98e39e09 | 1 | /* |
4284af58 | 2 | * The PCI Utilities -- List All PCI Devices |
98e39e09 | 3 | * |
7dacd9c8 | 4 | * Copyright (c) 1997--2003 Martin Mares <mj@ucw.cz> |
98e39e09 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> |
98e39e09 | 13 | #include <unistd.h> |
98e39e09 MM |
14 | |
15 | #include "pciutils.h" | |
16 | ||
17 | /* Options */ | |
18 | ||
19 | static int verbose; /* Show detailed information */ | |
20 | static int buscentric_view; /* Show bus addresses/IRQ's instead of CPU-visible ones */ | |
21 | static int show_hex; /* Show contents of config space as hexadecimal numbers */ | |
e4842ff3 | 22 | static struct pci_filter filter; /* Device filter */ |
6d0dc0fd | 23 | static int show_tree; /* Show bus tree */ |
0a33d0ec | 24 | static int machine_readable; /* Generate machine-readable output */ |
1812a795 | 25 | static int map_mode; /* Bus mapping mode enabled */ |
98e39e09 | 26 | |
1812a795 | 27 | static char options[] = "nvbxs:d:ti:mgM" GENERIC_OPTIONS ; |
98e39e09 MM |
28 | |
29 | static char help_msg[] = "\ | |
30 | Usage: lspci [<switches>]\n\ | |
31 | \n\ | |
e4842ff3 MM |
32 | -v\t\tBe verbose\n\ |
33 | -n\t\tShow numeric ID's\n\ | |
34 | -b\t\tBus-centric view (PCI addresses and IRQ's instead of those seen by the CPU)\n\ | |
f0952474 MM |
35 | -x\t\tShow hex-dump of the standard portion of config space\n\ |
36 | -xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n\ | |
e4842ff3 MM |
37 | -s [[<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n\ |
38 | -d [<vendor>]:[<device>]\tShow only selected devices\n\ | |
39 | -t\t\tShow bus tree\n\ | |
40 | -m\t\tProduce machine-readable output\n\ | |
1812a795 MM |
41 | -i <file>\tUse specified ID database instead of %s\n\ |
42 | -M\t\tEnable `bus mapping' mode (dangerous; root only)\n" | |
727ce158 MM |
43 | GENERIC_HELP |
44 | ; | |
98e39e09 | 45 | |
727ce158 MM |
46 | /* Communication with libpci */ |
47 | ||
48 | static struct pci_access *pacc; | |
49 | ||
14d6c0a3 MM |
50 | /* |
51 | * If we aren't being compiled by GCC, use malloc() instead of alloca(). | |
52 | * This increases our memory footprint, but only slightly since we don't | |
53 | * use alloca() much. | |
54 | */ | |
55 | ||
56 | #ifndef __GNUC__ | |
57 | #define alloca malloc | |
58 | #endif | |
59 | ||
98e39e09 MM |
60 | /* Our view of the PCI bus */ |
61 | ||
62 | struct device { | |
63 | struct device *next; | |
727ce158 | 64 | struct pci_dev *dev; |
b5137411 | 65 | unsigned int config_cnt; |
98e39e09 MM |
66 | byte config[256]; |
67 | }; | |
68 | ||
727ce158 | 69 | static struct device *first_dev; |
98e39e09 | 70 | |
1812a795 MM |
71 | static struct device * |
72 | scan_device(struct pci_dev *p) | |
73 | { | |
74 | int how_much = (show_hex > 2) ? 256 : 64; | |
75 | struct device *d; | |
76 | ||
77 | if (!pci_filter_match(&filter, p)) | |
78 | return NULL; | |
79 | d = xmalloc(sizeof(struct device)); | |
80 | bzero(d, sizeof(*d)); | |
81 | d->dev = p; | |
82 | if (!pci_read_block(p, 0, d->config, how_much)) | |
83 | die("Unable to read %d bytes of configuration space.", how_much); | |
84 | if (how_much < 128 && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS) | |
85 | { | |
86 | /* For cardbus bridges, we need to fetch 64 bytes more to get the full standard header... */ | |
2715403f | 87 | if (!pci_read_block(p, 64, d->config+64, 64)) |
1812a795 MM |
88 | die("Unable to read cardbus bridge extension data."); |
89 | how_much = 128; | |
90 | } | |
91 | d->config_cnt = how_much; | |
92 | pci_setup_cache(p, d->config, d->config_cnt); | |
e95c8373 | 93 | pci_fill_info(p, PCI_FILL_IDENT | PCI_FILL_IRQ | PCI_FILL_BASES | PCI_FILL_ROM_BASE | PCI_FILL_SIZES); |
1812a795 MM |
94 | return d; |
95 | } | |
96 | ||
98e39e09 | 97 | static void |
727ce158 | 98 | scan_devices(void) |
98e39e09 MM |
99 | { |
100 | struct device *d; | |
727ce158 | 101 | struct pci_dev *p; |
98e39e09 | 102 | |
727ce158 MM |
103 | pci_scan_bus(pacc); |
104 | for(p=pacc->devices; p; p=p->next) | |
1812a795 MM |
105 | if (d = scan_device(p)) |
106 | { | |
107 | d->next = first_dev; | |
108 | first_dev = d; | |
109 | } | |
98e39e09 MM |
110 | } |
111 | ||
b5137411 MM |
112 | static int |
113 | check_root(void) | |
114 | { | |
115 | static int is_root = -1; | |
116 | ||
117 | if (is_root < 0) | |
118 | is_root = !geteuid(); | |
119 | return is_root; | |
120 | } | |
121 | ||
122 | static int | |
123 | config_fetch(struct device *d, unsigned int pos, unsigned int len) | |
124 | { | |
125 | if (pos + len < d->config_cnt) | |
126 | return 1; | |
127 | if (pacc->method != PCI_ACCESS_DUMP && !check_root()) | |
128 | return 0; | |
129 | return pci_read_block(d->dev, pos, d->config + pos, len); | |
130 | } | |
131 | ||
98e39e09 MM |
132 | /* Config space accesses */ |
133 | ||
134 | static inline byte | |
135 | get_conf_byte(struct device *d, unsigned int pos) | |
136 | { | |
137 | return d->config[pos]; | |
138 | } | |
139 | ||
140 | static word | |
141 | get_conf_word(struct device *d, unsigned int pos) | |
142 | { | |
143 | return d->config[pos] | (d->config[pos+1] << 8); | |
144 | } | |
145 | ||
146 | static u32 | |
147 | get_conf_long(struct device *d, unsigned int pos) | |
148 | { | |
149 | return d->config[pos] | | |
150 | (d->config[pos+1] << 8) | | |
151 | (d->config[pos+2] << 16) | | |
152 | (d->config[pos+3] << 24); | |
153 | } | |
154 | ||
155 | /* Sorting */ | |
156 | ||
157 | static int | |
158 | compare_them(const void *A, const void *B) | |
159 | { | |
727ce158 MM |
160 | const struct pci_dev *a = (*(const struct device **)A)->dev; |
161 | const struct pci_dev *b = (*(const struct device **)B)->dev; | |
98e39e09 MM |
162 | |
163 | if (a->bus < b->bus) | |
164 | return -1; | |
165 | if (a->bus > b->bus) | |
166 | return 1; | |
727ce158 MM |
167 | if (a->dev < b->dev) |
168 | return -1; | |
169 | if (a->dev > b->dev) | |
170 | return 1; | |
171 | if (a->func < b->func) | |
98e39e09 | 172 | return -1; |
727ce158 | 173 | if (a->func > b->func) |
98e39e09 MM |
174 | return 1; |
175 | return 0; | |
176 | } | |
177 | ||
178 | static void | |
179 | sort_them(void) | |
180 | { | |
727ce158 | 181 | struct device **index, **h, **last_dev; |
98e39e09 MM |
182 | int cnt; |
183 | struct device *d; | |
184 | ||
185 | cnt = 0; | |
186 | for(d=first_dev; d; d=d->next) | |
187 | cnt++; | |
188 | h = index = alloca(sizeof(struct device *) * cnt); | |
189 | for(d=first_dev; d; d=d->next) | |
190 | *h++ = d; | |
191 | qsort(index, cnt, sizeof(struct device *), compare_them); | |
192 | last_dev = &first_dev; | |
193 | h = index; | |
194 | while (cnt--) | |
195 | { | |
196 | *last_dev = *h; | |
197 | last_dev = &(*h)->next; | |
198 | h++; | |
199 | } | |
200 | *last_dev = NULL; | |
201 | } | |
202 | ||
6d0dc0fd | 203 | /* Normal output */ |
98e39e09 | 204 | |
1c31d620 MM |
205 | #define FLAG(x,y) ((x & y) ? '+' : '-') |
206 | ||
98e39e09 MM |
207 | static void |
208 | show_terse(struct device *d) | |
209 | { | |
210 | int c; | |
727ce158 MM |
211 | struct pci_dev *p = d->dev; |
212 | byte classbuf[128], devbuf[128]; | |
98e39e09 MM |
213 | |
214 | printf("%02x:%02x.%x %s: %s", | |
727ce158 MM |
215 | p->bus, |
216 | p->dev, | |
217 | p->func, | |
218 | pci_lookup_name(pacc, classbuf, sizeof(classbuf), | |
219 | PCI_LOOKUP_CLASS, | |
d4798a32 | 220 | get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0), |
727ce158 MM |
221 | pci_lookup_name(pacc, devbuf, sizeof(devbuf), |
222 | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, | |
d4798a32 | 223 | p->vendor_id, p->device_id, 0, 0)); |
98e39e09 MM |
224 | if (c = get_conf_byte(d, PCI_REVISION_ID)) |
225 | printf(" (rev %02x)", c); | |
8d047897 | 226 | if (verbose) |
d4798a32 | 227 | { |
8d047897 MM |
228 | char *x; |
229 | c = get_conf_byte(d, PCI_CLASS_PROG); | |
230 | x = pci_lookup_name(pacc, devbuf, sizeof(devbuf), | |
231 | PCI_LOOKUP_PROGIF, | |
232 | get_conf_word(d, PCI_CLASS_DEVICE), c, 0, 0); | |
233 | if (c || x) | |
234 | { | |
235 | printf(" (prog-if %02x", c); | |
236 | if (x) | |
237 | printf(" [%s]", x); | |
238 | putchar(')'); | |
239 | } | |
d4798a32 | 240 | } |
98e39e09 MM |
241 | putchar('\n'); |
242 | } | |
243 | ||
e95c8373 MM |
244 | static void |
245 | show_size(pciaddr_t x) | |
246 | { | |
c36c0862 MM |
247 | if (!x) |
248 | return; | |
e95c8373 MM |
249 | printf(" [size="); |
250 | if (x < 1024) | |
251 | printf("%d", (int) x); | |
252 | else if (x < 1048576) | |
253 | printf("%dK", (int)(x / 1024)); | |
254 | else if (x < 0x80000000) | |
255 | printf("%dM", (int)(x / 1048576)); | |
256 | else | |
9739916e | 257 | printf(PCIADDR_T_FMT, x); |
e95c8373 MM |
258 | putchar(']'); |
259 | } | |
260 | ||
98e39e09 MM |
261 | static void |
262 | show_bases(struct device *d, int cnt) | |
263 | { | |
727ce158 | 264 | struct pci_dev *p = d->dev; |
98e39e09 MM |
265 | word cmd = get_conf_word(d, PCI_COMMAND); |
266 | int i; | |
267 | ||
96e4f295 | 268 | for(i=0; i<cnt; i++) |
98e39e09 | 269 | { |
f3395cc5 | 270 | pciaddr_t pos = p->base_addr[i]; |
e95c8373 | 271 | pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0; |
f3395cc5 | 272 | u32 flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i); |
727ce158 MM |
273 | if (flg == 0xffffffff) |
274 | flg = 0; | |
e95c8373 | 275 | if (!pos && !flg && !len) |
98e39e09 | 276 | continue; |
072c77e5 MM |
277 | if (verbose > 1) |
278 | printf("\tRegion %d: ", i); | |
279 | else | |
280 | putchar('\t'); | |
727ce158 MM |
281 | if (pos && !flg) /* Reported by the OS, but not by the device */ |
282 | { | |
283 | printf("[virtual] "); | |
284 | flg = pos; | |
285 | } | |
98e39e09 | 286 | if (flg & PCI_BASE_ADDRESS_SPACE_IO) |
f17b962b | 287 | { |
dec16943 | 288 | pciaddr_t a = pos & PCI_BASE_ADDRESS_IO_MASK; |
072c77e5 MM |
289 | printf("I/O ports at "); |
290 | if (a) | |
9739916e | 291 | printf(PCIADDR_PORT_FMT, a); |
727ce158 MM |
292 | else if (flg & PCI_BASE_ADDRESS_IO_MASK) |
293 | printf("<ignored>"); | |
072c77e5 MM |
294 | else |
295 | printf("<unassigned>"); | |
296 | if (!(cmd & PCI_COMMAND_IO)) | |
297 | printf(" [disabled]"); | |
f17b962b | 298 | } |
072c77e5 | 299 | else |
98e39e09 MM |
300 | { |
301 | int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK; | |
f3395cc5 | 302 | pciaddr_t a = pos & PCI_ADDR_MEM_MASK; |
727ce158 MM |
303 | int done = 0; |
304 | u32 z = 0; | |
305 | ||
98e39e09 MM |
306 | printf("Memory at "); |
307 | if (t == PCI_BASE_ADDRESS_MEM_TYPE_64) | |
308 | { | |
727ce158 MM |
309 | if (i >= cnt - 1) |
310 | { | |
e95c8373 | 311 | printf("<invalid-64bit-slot>"); |
727ce158 MM |
312 | done = 1; |
313 | } | |
314 | else | |
98e39e09 MM |
315 | { |
316 | i++; | |
072c77e5 MM |
317 | z = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i); |
318 | if (buscentric_view) | |
727ce158 MM |
319 | { |
320 | if (a || z) | |
9739916e | 321 | printf("%08x" PCIADDR_T_FMT, z, a); |
727ce158 MM |
322 | else |
323 | printf("<unassigned>"); | |
324 | done = 1; | |
325 | } | |
98e39e09 | 326 | } |
727ce158 MM |
327 | } |
328 | if (!done) | |
329 | { | |
330 | if (a) | |
9739916e | 331 | printf(PCIADDR_T_FMT, a); |
98e39e09 | 332 | else |
727ce158 | 333 | printf(((flg & PCI_BASE_ADDRESS_MEM_MASK) || z) ? "<ignored>" : "<unassigned>"); |
98e39e09 | 334 | } |
072c77e5 | 335 | printf(" (%s, %sprefetchable)", |
98e39e09 MM |
336 | (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" : |
337 | (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" : | |
072c77e5 | 338 | (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M" : "type 3", |
f17b962b | 339 | (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-"); |
072c77e5 MM |
340 | if (!(cmd & PCI_COMMAND_MEMORY)) |
341 | printf(" [disabled]"); | |
98e39e09 | 342 | } |
c36c0862 | 343 | show_size(len); |
072c77e5 | 344 | putchar('\n'); |
98e39e09 MM |
345 | } |
346 | } | |
347 | ||
1c31d620 MM |
348 | static void |
349 | show_pm(struct device *d, int where, int cap) | |
350 | { | |
72b9b690 MM |
351 | int t, b; |
352 | static int pm_aux_current[8] = { 0, 55, 100, 160, 220, 270, 320, 375 }; | |
1c31d620 MM |
353 | |
354 | printf("Power Management version %d\n", cap & PCI_PM_CAP_VER_MASK); | |
355 | if (verbose < 2) | |
356 | return; | |
72b9b690 | 357 | printf("\t\tFlags: PMEClk%c DSI%c D1%c D2%c AuxCurrent=%dmA PME(D0%c,D1%c,D2%c,D3hot%c,D3cold%c)\n", |
1c31d620 | 358 | FLAG(cap, PCI_PM_CAP_PME_CLOCK), |
1c31d620 MM |
359 | FLAG(cap, PCI_PM_CAP_DSI), |
360 | FLAG(cap, PCI_PM_CAP_D1), | |
361 | FLAG(cap, PCI_PM_CAP_D2), | |
72b9b690 MM |
362 | pm_aux_current[(cap >> 6) & 7], |
363 | FLAG(cap, PCI_PM_CAP_PME_D0), | |
364 | FLAG(cap, PCI_PM_CAP_PME_D1), | |
365 | FLAG(cap, PCI_PM_CAP_PME_D2), | |
366 | FLAG(cap, PCI_PM_CAP_PME_D3_HOT), | |
367 | FLAG(cap, PCI_PM_CAP_PME_D3_COLD)); | |
7dacd9c8 MM |
368 | if (!config_fetch(d, where + PCI_PM_CTRL, PCI_PM_SIZEOF - PCI_PM_CTRL)) |
369 | return; | |
1c31d620 | 370 | t = get_conf_word(d, where + PCI_PM_CTRL); |
72b9b690 | 371 | printf("\t\tStatus: D%d PME-Enable%c DSel=%d DScale=%d PME%c\n", |
1c31d620 MM |
372 | t & PCI_PM_CTRL_STATE_MASK, |
373 | FLAG(t, PCI_PM_CTRL_PME_ENABLE), | |
374 | (t & PCI_PM_CTRL_DATA_SEL_MASK) >> 9, | |
375 | (t & PCI_PM_CTRL_DATA_SCALE_MASK) >> 13, | |
376 | FLAG(t, PCI_PM_CTRL_PME_STATUS)); | |
72b9b690 MM |
377 | b = get_conf_byte(d, where + PCI_PM_PPB_EXTENSIONS); |
378 | if (b) | |
379 | printf("\t\tBridge: PM%c B3%c\n", | |
380 | FLAG(t, PCI_PM_BPCC_ENABLE), | |
381 | FLAG(~t, PCI_PM_PPB_B2_B3)); | |
1c31d620 MM |
382 | } |
383 | ||
81077814 | 384 | static void |
579b19ff | 385 | format_agp_rate(int rate, char *buf, int agp3) |
81077814 MM |
386 | { |
387 | char *c = buf; | |
388 | int i; | |
389 | ||
a1052f16 | 390 | for(i=0; i<=2; i++) |
81077814 MM |
391 | if (rate & (1 << i)) |
392 | { | |
393 | if (c != buf) | |
394 | *c++ = ','; | |
395 | *c++ = 'x'; | |
579b19ff | 396 | *c++ = '0' + (1 << (i + 2*agp3)); |
81077814 MM |
397 | } |
398 | if (c != buf) | |
399 | *c = 0; | |
400 | else | |
401 | strcpy(buf, "<none>"); | |
402 | } | |
403 | ||
1c31d620 MM |
404 | static void |
405 | show_agp(struct device *d, int where, int cap) | |
406 | { | |
407 | u32 t; | |
81077814 | 408 | char rate[8]; |
579b19ff MM |
409 | int ver, rev; |
410 | int agp3 = 0; | |
1c31d620 | 411 | |
579b19ff MM |
412 | ver = (cap >> 4) & 0x0f; |
413 | rev = cap & 0x0f; | |
414 | printf("AGP version %x.%x\n", ver, rev); | |
1c31d620 MM |
415 | if (verbose < 2) |
416 | return; | |
7dacd9c8 MM |
417 | if (!config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS)) |
418 | return; | |
1c31d620 | 419 | t = get_conf_long(d, where + PCI_AGP_STATUS); |
579b19ff MM |
420 | if (ver >= 3 && (t & PCI_AGP_STATUS_AGP3)) |
421 | agp3 = 1; | |
422 | format_agp_rate(t & 7, rate, agp3); | |
423 | printf("\t\tStatus: RQ=%d Iso%c ArqSz=%d Cal=%d SBA%c ITACoh%c GART64%c HTrans%c 64bit%c FW%c AGP3%c Rate=%s\n", | |
424 | ((t & PCI_AGP_STATUS_RQ_MASK) >> 24U) + 1, | |
425 | FLAG(t, PCI_AGP_STATUS_ISOCH), | |
426 | ((t & PCI_AGP_STATUS_ARQSZ_MASK) >> 13), | |
427 | ((t & PCI_AGP_STATUS_CAL_MASK) >> 10), | |
1c31d620 | 428 | FLAG(t, PCI_AGP_STATUS_SBA), |
579b19ff MM |
429 | FLAG(t, PCI_AGP_STATUS_ITA_COH), |
430 | FLAG(t, PCI_AGP_STATUS_GART64), | |
431 | FLAG(t, PCI_AGP_STATUS_HTRANS), | |
1c31d620 MM |
432 | FLAG(t, PCI_AGP_STATUS_64BIT), |
433 | FLAG(t, PCI_AGP_STATUS_FW), | |
579b19ff | 434 | FLAG(t, PCI_AGP_STATUS_AGP3), |
81077814 | 435 | rate); |
84b10481 | 436 | t = get_conf_long(d, where + PCI_AGP_COMMAND); |
579b19ff MM |
437 | format_agp_rate(t & 7, rate, agp3); |
438 | printf("\t\tCommand: RQ=%d ArqSz=%d Cal=%d SBA%c AGP%c GART64%c 64bit%c FW%c Rate=%s\n", | |
439 | ((t & PCI_AGP_COMMAND_RQ_MASK) >> 24U) + 1, | |
440 | ((t & PCI_AGP_COMMAND_ARQSZ_MASK) >> 13), | |
441 | ((t & PCI_AGP_COMMAND_CAL_MASK) >> 10), | |
1c31d620 MM |
442 | FLAG(t, PCI_AGP_COMMAND_SBA), |
443 | FLAG(t, PCI_AGP_COMMAND_AGP), | |
579b19ff | 444 | FLAG(t, PCI_AGP_COMMAND_GART64), |
1c31d620 MM |
445 | FLAG(t, PCI_AGP_COMMAND_64BIT), |
446 | FLAG(t, PCI_AGP_COMMAND_FW), | |
81077814 | 447 | rate); |
1c31d620 MM |
448 | } |
449 | ||
5f5e6f64 MM |
450 | static void |
451 | show_pcix_nobridge(struct device *d, int where) | |
452 | { | |
7dacd9c8 MM |
453 | u16 command; |
454 | u32 status; | |
455 | ||
5f5e6f64 | 456 | printf("PCI-X non-bridge device.\n"); |
7dacd9c8 | 457 | |
5f5e6f64 MM |
458 | if (verbose < 2) |
459 | return; | |
7dacd9c8 MM |
460 | |
461 | if (!config_fetch(d, where + PCI_PCIX_STATUS, 4)) | |
462 | return; | |
463 | ||
464 | command = get_conf_word(d, where + PCI_PCIX_COMMAND); | |
465 | status = get_conf_long(d, where + PCI_PCIX_STATUS); | |
5f5e6f64 MM |
466 | printf("\t\tCommand: DPERE%c ERO%c RBC=%d OST=%d\n", |
467 | FLAG(command, PCI_PCIX_COMMAND_DPERE), | |
468 | FLAG(command, PCI_PCIX_COMMAND_ERO), | |
469 | ((command & PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT) >> 2U), | |
470 | ((command & PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS) >> 4U)); | |
f701ff47 | 471 | printf("\t\tStatus: Bus=%u Dev=%u Func=%u 64bit%c 133MHz%c SCD%c USC%c, DC=%s, DMMRBC=%u, DMOST=%u, DMCRS=%u, RSCEM%c\n", |
5f5e6f64 MM |
472 | ((status >> 8) & 0xffU), // bus |
473 | ((status >> 3) & 0x1fU), // dev | |
7dacd9c8 | 474 | (status & PCI_PCIX_STATUS_FUNCTION), // function |
5f5e6f64 MM |
475 | FLAG(status, PCI_PCIX_STATUS_64BIT), |
476 | FLAG(status, PCI_PCIX_STATUS_133MHZ), | |
477 | FLAG(status, PCI_PCIX_STATUS_SC_DISCARDED), | |
478 | FLAG(status, PCI_PCIX_STATUS_UNEXPECTED_SC), | |
479 | ((status & PCI_PCIX_STATUS_DEVICE_COMPLEXITY) ? "bridge" : "simple"), | |
480 | ((status >> 21) & 3U), | |
481 | ((status >> 23) & 7U), | |
482 | ((status >> 26) & 7U), | |
483 | FLAG(status, PCI_PCIX_STATUS_RCVD_SC_ERR_MESS)); | |
484 | } | |
485 | ||
486 | static void | |
487 | show_pcix_bridge(struct device *d, int where) | |
488 | { | |
7dacd9c8 | 489 | |
5f5e6f64 MM |
490 | u16 secstatus; |
491 | u32 status, upstcr, downstcr; | |
7dacd9c8 | 492 | |
5f5e6f64 | 493 | printf("PCI-X bridge device.\n"); |
7dacd9c8 | 494 | |
5f5e6f64 MM |
495 | if (verbose < 2) |
496 | return; | |
7dacd9c8 MM |
497 | |
498 | if (!config_fetch(d, where + PCI_PCIX_BRIDGE_STATUS, 12)) | |
499 | return; | |
500 | ||
5f5e6f64 MM |
501 | secstatus = get_conf_word(d, where + PCI_PCIX_BRIDGE_SEC_STATUS); |
502 | printf("\t\tSecondary Status: 64bit%c, 133MHz%c, SCD%c, USC%c, SCO%c, SRD%c Freq=%d\n", | |
503 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_64BIT), | |
504 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ), | |
505 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED), | |
506 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC), | |
507 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN), | |
508 | FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED), | |
509 | ((secstatus >> 6) & 7)); | |
510 | status = get_conf_long(d, where + PCI_PCIX_BRIDGE_STATUS); | |
511 | printf("\t\tStatus: Bus=%u Dev=%u Func=%u 64bit%c 133MHz%c SCD%c USC%c, SCO%c, SRD%c\n", | |
512 | ((status >> 8) & 0xff), // bus | |
513 | ((status >> 3) & 0x1f), // dev | |
514 | (status & PCI_PCIX_BRIDGE_STATUS_FUNCTION), // function | |
515 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_64BIT), | |
516 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_133MHZ), | |
517 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED), | |
518 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC), | |
519 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN), | |
520 | FLAG(status, PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED)); | |
521 | upstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL); | |
522 | printf("\t\t: Upstream: Capacity=%u, Commitment Limit=%u\n", | |
523 | (upstcr & PCI_PCIX_BRIDGE_STR_CAPACITY), | |
524 | (upstcr >> 16) & 0xffff); | |
525 | downstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL); | |
526 | printf("\t\t: Downstream: Capacity=%u, Commitment Limit=%u\n", | |
527 | (downstcr & PCI_PCIX_BRIDGE_STR_CAPACITY), | |
528 | (downstcr >> 16) & 0xffff); | |
529 | } | |
530 | ||
531 | static void | |
532 | show_pcix(struct device *d, int where) | |
533 | { | |
534 | switch (d->dev->hdrtype) | |
535 | { | |
536 | case PCI_HEADER_TYPE_NORMAL: | |
537 | show_pcix_nobridge(d, where); | |
538 | break; | |
539 | case PCI_HEADER_TYPE_BRIDGE: | |
540 | show_pcix_bridge(d, where); | |
541 | break; | |
542 | } | |
543 | } | |
544 | ||
98e39e09 | 545 | static void |
e95c8373 | 546 | show_rom(struct device *d) |
98e39e09 | 547 | { |
e95c8373 MM |
548 | struct pci_dev *p = d->dev; |
549 | pciaddr_t rom = p->rom_base_addr; | |
550 | pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->rom_size : 0; | |
98e39e09 | 551 | |
e95c8373 MM |
552 | if (!rom && !len) |
553 | return; | |
554 | printf("\tExpansion ROM at "); | |
555 | if (rom & PCI_ROM_ADDRESS_MASK) | |
9739916e | 556 | printf(PCIADDR_T_FMT, rom & PCI_ROM_ADDRESS_MASK); |
e95c8373 MM |
557 | else |
558 | printf("<unassigned>"); | |
559 | if (!(rom & PCI_ROM_ADDRESS_ENABLE)) | |
560 | printf(" [disabled]"); | |
561 | show_size(len); | |
562 | putchar('\n'); | |
563 | } | |
564 | ||
565 | static void | |
566 | show_msi(struct device *d, int where, int cap) | |
567 | { | |
568 | int is64; | |
569 | u32 t; | |
570 | u16 w; | |
571 | ||
572 | printf("Message Signalled Interrupts: 64bit%c Queue=%d/%d Enable%c\n", | |
573 | FLAG(cap, PCI_MSI_FLAGS_64BIT), | |
574 | (cap & PCI_MSI_FLAGS_QSIZE) >> 4, | |
575 | (cap & PCI_MSI_FLAGS_QMASK) >> 1, | |
576 | FLAG(cap, PCI_MSI_FLAGS_ENABLE)); | |
577 | if (verbose < 2) | |
578 | return; | |
579 | is64 = cap & PCI_MSI_FLAGS_64BIT; | |
7dacd9c8 MM |
580 | if (!config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO)) |
581 | return; | |
e95c8373 MM |
582 | printf("\t\tAddress: "); |
583 | if (is64) | |
584 | { | |
585 | t = get_conf_long(d, where + PCI_MSI_ADDRESS_HI); | |
586 | w = get_conf_word(d, where + PCI_MSI_DATA_64); | |
587 | printf("%08x", t); | |
588 | } | |
589 | else | |
590 | w = get_conf_word(d, where + PCI_MSI_DATA_32); | |
591 | t = get_conf_long(d, where + PCI_MSI_ADDRESS_LO); | |
592 | printf("%08x Data: %04x\n", t, w); | |
593 | } | |
594 | ||
595 | static void | |
596 | show_slotid(int cap) | |
597 | { | |
598 | int esr = cap & 0xff; | |
599 | int chs = cap >> 8; | |
600 | ||
601 | printf("Slot ID: %d slots, First%c, chassis %02x\n", | |
602 | esr & PCI_SID_ESR_NSLOTS, | |
603 | FLAG(esr, PCI_SID_ESR_FIC), | |
604 | chs); | |
605 | } | |
606 | ||
607 | static void | |
608 | show_caps(struct device *d) | |
609 | { | |
b5137411 MM |
610 | if (get_conf_word(d, PCI_STATUS) & PCI_STATUS_CAP_LIST) |
611 | { | |
e95c8373 | 612 | int where = get_conf_byte(d, PCI_CAPABILITY_LIST) & ~3; |
b5137411 MM |
613 | while (where) |
614 | { | |
1c31d620 | 615 | int id, next, cap; |
b5137411 MM |
616 | printf("\tCapabilities: "); |
617 | if (!config_fetch(d, where, 4)) | |
618 | { | |
619 | puts("<available only to root>"); | |
620 | break; | |
621 | } | |
1c31d620 | 622 | id = get_conf_byte(d, where + PCI_CAP_LIST_ID); |
e95c8373 | 623 | next = get_conf_byte(d, where + PCI_CAP_LIST_NEXT) & ~3; |
1c31d620 MM |
624 | cap = get_conf_word(d, where + PCI_CAP_FLAGS); |
625 | printf("[%02x] ", where); | |
b5137411 MM |
626 | if (id == 0xff) |
627 | { | |
1c31d620 | 628 | printf("<chain broken>\n"); |
b5137411 MM |
629 | break; |
630 | } | |
631 | switch (id) | |
632 | { | |
1c31d620 MM |
633 | case PCI_CAP_ID_PM: |
634 | show_pm(d, where, cap); | |
635 | break; | |
636 | case PCI_CAP_ID_AGP: | |
637 | show_agp(d, where, cap); | |
b5137411 | 638 | break; |
e95c8373 MM |
639 | case PCI_CAP_ID_VPD: |
640 | printf("Vital Product Data\n"); | |
641 | break; | |
642 | case PCI_CAP_ID_SLOTID: | |
643 | show_slotid(cap); | |
644 | break; | |
645 | case PCI_CAP_ID_MSI: | |
646 | show_msi(d, where, cap); | |
647 | break; | |
5f5e6f64 MM |
648 | case PCI_CAP_ID_PCIX: |
649 | show_pcix(d, where); | |
650 | break; | |
b5137411 | 651 | default: |
e95c8373 | 652 | printf("#%02x [%04x]\n", id, cap); |
b5137411 | 653 | } |
b5137411 MM |
654 | where = next; |
655 | } | |
656 | } | |
98e39e09 MM |
657 | } |
658 | ||
e95c8373 MM |
659 | static void |
660 | show_htype0(struct device *d) | |
661 | { | |
662 | show_bases(d, 6); | |
663 | show_rom(d); | |
664 | show_caps(d); | |
665 | } | |
666 | ||
98e39e09 MM |
667 | static void |
668 | show_htype1(struct device *d) | |
669 | { | |
670 | u32 io_base = get_conf_byte(d, PCI_IO_BASE); | |
671 | u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT); | |
672 | u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK; | |
673 | u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE); | |
674 | u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT); | |
675 | u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK; | |
676 | u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE); | |
677 | u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT); | |
678 | u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK; | |
98e39e09 | 679 | word brc = get_conf_word(d, PCI_BRIDGE_CONTROL); |
e306e911 | 680 | int verb = verbose > 2; |
98e39e09 MM |
681 | |
682 | show_bases(d, 2); | |
683 | printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n", | |
684 | get_conf_byte(d, PCI_PRIMARY_BUS), | |
685 | get_conf_byte(d, PCI_SECONDARY_BUS), | |
686 | get_conf_byte(d, PCI_SUBORDINATE_BUS), | |
687 | get_conf_byte(d, PCI_SEC_LATENCY_TIMER)); | |
688 | ||
689 | if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) || | |
690 | (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32)) | |
691 | printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit); | |
692 | else | |
693 | { | |
694 | io_base = (io_base & PCI_IO_RANGE_MASK) << 8; | |
695 | io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8; | |
696 | if (io_type == PCI_IO_RANGE_TYPE_32) | |
697 | { | |
698 | io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16); | |
699 | io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16); | |
700 | } | |
e306e911 | 701 | if (io_base <= io_limit || verb) |
98e39e09 MM |
702 | printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff); |
703 | } | |
704 | ||
705 | if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) || | |
706 | mem_type) | |
707 | printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit); | |
e306e911 | 708 | else |
98e39e09 MM |
709 | { |
710 | mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16; | |
711 | mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16; | |
e306e911 MM |
712 | if (mem_base <= mem_limit || verb) |
713 | printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff); | |
98e39e09 MM |
714 | } |
715 | ||
716 | if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) || | |
717 | (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64)) | |
718 | printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit); | |
e306e911 | 719 | else |
98e39e09 MM |
720 | { |
721 | pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16; | |
722 | pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16; | |
e306e911 MM |
723 | if (pref_base <= pref_limit || verb) |
724 | { | |
725 | if (pref_type == PCI_PREF_RANGE_TYPE_32) | |
726 | printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit + 0xfffff); | |
727 | else | |
728 | printf("\tPrefetchable memory behind bridge: %08x%08x-%08x%08x\n", | |
729 | get_conf_long(d, PCI_PREF_BASE_UPPER32), | |
730 | pref_base, | |
731 | get_conf_long(d, PCI_PREF_LIMIT_UPPER32), | |
732 | pref_limit); | |
733 | } | |
98e39e09 MM |
734 | } |
735 | ||
736 | if (get_conf_word(d, PCI_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR) | |
737 | printf("\tSecondary status: SERR\n"); | |
738 | ||
e95c8373 | 739 | show_rom(d); |
98e39e09 MM |
740 | |
741 | if (verbose > 1) | |
742 | printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n", | |
1c31d620 MM |
743 | FLAG(brc, PCI_BRIDGE_CTL_PARITY), |
744 | FLAG(brc, PCI_BRIDGE_CTL_SERR), | |
745 | FLAG(brc, PCI_BRIDGE_CTL_NO_ISA), | |
746 | FLAG(brc, PCI_BRIDGE_CTL_VGA), | |
747 | FLAG(brc, PCI_BRIDGE_CTL_MASTER_ABORT), | |
748 | FLAG(brc, PCI_BRIDGE_CTL_BUS_RESET), | |
749 | FLAG(brc, PCI_BRIDGE_CTL_FAST_BACK)); | |
e95c8373 MM |
750 | |
751 | show_caps(d); | |
98e39e09 MM |
752 | } |
753 | ||
2f48f637 MM |
754 | static void |
755 | show_htype2(struct device *d) | |
756 | { | |
96e4f295 MM |
757 | int i; |
758 | word cmd = get_conf_word(d, PCI_COMMAND); | |
759 | word brc = get_conf_word(d, PCI_CB_BRIDGE_CONTROL); | |
760 | word exca = get_conf_word(d, PCI_CB_LEGACY_MODE_BASE); | |
e306e911 | 761 | int verb = verbose > 2; |
96e4f295 MM |
762 | |
763 | show_bases(d, 1); | |
764 | printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n", | |
765 | get_conf_byte(d, PCI_CB_PRIMARY_BUS), | |
766 | get_conf_byte(d, PCI_CB_CARD_BUS), | |
767 | get_conf_byte(d, PCI_CB_SUBORDINATE_BUS), | |
768 | get_conf_byte(d, PCI_CB_LATENCY_TIMER)); | |
769 | for(i=0; i<2; i++) | |
770 | { | |
771 | int p = 8*i; | |
772 | u32 base = get_conf_long(d, PCI_CB_MEMORY_BASE_0 + p); | |
773 | u32 limit = get_conf_long(d, PCI_CB_MEMORY_LIMIT_0 + p); | |
e306e911 | 774 | if (limit > base || verb) |
81077814 | 775 | printf("\tMemory window %d: %08x-%08x%s%s\n", i, base, limit, |
96e4f295 MM |
776 | (cmd & PCI_COMMAND_MEMORY) ? "" : " [disabled]", |
777 | (brc & (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 << i)) ? " (prefetchable)" : ""); | |
778 | } | |
779 | for(i=0; i<2; i++) | |
780 | { | |
781 | int p = 8*i; | |
782 | u32 base = get_conf_long(d, PCI_CB_IO_BASE_0 + p); | |
783 | u32 limit = get_conf_long(d, PCI_CB_IO_LIMIT_0 + p); | |
784 | if (!(base & PCI_IO_RANGE_TYPE_32)) | |
785 | { | |
786 | base &= 0xffff; | |
787 | limit &= 0xffff; | |
788 | } | |
789 | base &= PCI_CB_IO_RANGE_MASK; | |
96e4f295 | 790 | limit = (limit & PCI_CB_IO_RANGE_MASK) + 3; |
e306e911 MM |
791 | if (base <= limit || verb) |
792 | printf("\tI/O window %d: %08x-%08x%s\n", i, base, limit, | |
793 | (cmd & PCI_COMMAND_IO) ? "" : " [disabled]"); | |
96e4f295 MM |
794 | } |
795 | ||
796 | if (get_conf_word(d, PCI_CB_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR) | |
797 | printf("\tSecondary status: SERR\n"); | |
798 | if (verbose > 1) | |
799 | printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n", | |
1c31d620 MM |
800 | FLAG(brc, PCI_CB_BRIDGE_CTL_PARITY), |
801 | FLAG(brc, PCI_CB_BRIDGE_CTL_SERR), | |
802 | FLAG(brc, PCI_CB_BRIDGE_CTL_ISA), | |
803 | FLAG(brc, PCI_CB_BRIDGE_CTL_VGA), | |
804 | FLAG(brc, PCI_CB_BRIDGE_CTL_MASTER_ABORT), | |
805 | FLAG(brc, PCI_CB_BRIDGE_CTL_CB_RESET), | |
806 | FLAG(brc, PCI_CB_BRIDGE_CTL_16BIT_INT), | |
807 | FLAG(brc, PCI_CB_BRIDGE_CTL_POST_WRITES)); | |
96e4f295 MM |
808 | if (exca) |
809 | printf("\t16-bit legacy interface ports at %04x\n", exca); | |
2f48f637 MM |
810 | } |
811 | ||
98e39e09 MM |
812 | static void |
813 | show_verbose(struct device *d) | |
814 | { | |
727ce158 | 815 | struct pci_dev *p = d->dev; |
98e39e09 MM |
816 | word status = get_conf_word(d, PCI_STATUS); |
817 | word cmd = get_conf_word(d, PCI_COMMAND); | |
818 | word class = get_conf_word(d, PCI_CLASS_DEVICE); | |
819 | byte bist = get_conf_byte(d, PCI_BIST); | |
820 | byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f; | |
821 | byte latency = get_conf_byte(d, PCI_LATENCY_TIMER); | |
822 | byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE); | |
823 | byte max_lat, min_gnt; | |
824 | byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN); | |
727ce158 | 825 | unsigned int irq = p->irq; |
98e39e09 | 826 | word subsys_v, subsys_d; |
727ce158 | 827 | char ssnamebuf[256]; |
98e39e09 MM |
828 | |
829 | show_terse(d); | |
830 | ||
98e39e09 MM |
831 | switch (htype) |
832 | { | |
2f48f637 MM |
833 | case PCI_HEADER_TYPE_NORMAL: |
834 | if (class == PCI_CLASS_BRIDGE_PCI) | |
56164f4f | 835 | printf("\t!!! Invalid class %04x for header type %02x\n", class, htype); |
98e39e09 MM |
836 | max_lat = get_conf_byte(d, PCI_MAX_LAT); |
837 | min_gnt = get_conf_byte(d, PCI_MIN_GNT); | |
838 | subsys_v = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID); | |
839 | subsys_d = get_conf_word(d, PCI_SUBSYSTEM_ID); | |
840 | break; | |
2f48f637 MM |
841 | case PCI_HEADER_TYPE_BRIDGE: |
842 | if (class != PCI_CLASS_BRIDGE_PCI) | |
56164f4f | 843 | printf("\t!!! Invalid class %04x for header type %02x\n", class, htype); |
727ce158 | 844 | irq = int_pin = min_gnt = max_lat = 0; |
2f48f637 MM |
845 | subsys_v = subsys_d = 0; |
846 | break; | |
847 | case PCI_HEADER_TYPE_CARDBUS: | |
848 | if ((class >> 8) != PCI_BASE_CLASS_BRIDGE) | |
56164f4f | 849 | printf("\t!!! Invalid class %04x for header type %02x\n", class, htype); |
96e4f295 MM |
850 | min_gnt = max_lat = 0; |
851 | subsys_v = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID); | |
852 | subsys_d = get_conf_word(d, PCI_CB_SUBSYSTEM_ID); | |
98e39e09 MM |
853 | break; |
854 | default: | |
855 | printf("\t!!! Unknown header type %02x\n", htype); | |
856 | return; | |
857 | } | |
858 | ||
e306e911 | 859 | if (subsys_v && subsys_v != 0xffff) |
727ce158 MM |
860 | printf("\tSubsystem: %s\n", |
861 | pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf), | |
862 | PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, | |
d4798a32 | 863 | p->vendor_id, p->device_id, subsys_v, subsys_d)); |
ce503b7f | 864 | |
98e39e09 MM |
865 | if (verbose > 1) |
866 | { | |
98e39e09 | 867 | printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c\n", |
1c31d620 MM |
868 | FLAG(cmd, PCI_COMMAND_IO), |
869 | FLAG(cmd, PCI_COMMAND_MEMORY), | |
870 | FLAG(cmd, PCI_COMMAND_MASTER), | |
871 | FLAG(cmd, PCI_COMMAND_SPECIAL), | |
872 | FLAG(cmd, PCI_COMMAND_INVALIDATE), | |
873 | FLAG(cmd, PCI_COMMAND_VGA_PALETTE), | |
874 | FLAG(cmd, PCI_COMMAND_PARITY), | |
875 | FLAG(cmd, PCI_COMMAND_WAIT), | |
876 | FLAG(cmd, PCI_COMMAND_SERR), | |
877 | FLAG(cmd, PCI_COMMAND_FAST_BACK)); | |
b5137411 | 878 | printf("\tStatus: Cap%c 66Mhz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c\n", |
1c31d620 MM |
879 | FLAG(status, PCI_STATUS_CAP_LIST), |
880 | FLAG(status, PCI_STATUS_66MHZ), | |
881 | FLAG(status, PCI_STATUS_UDF), | |
882 | FLAG(status, PCI_STATUS_FAST_BACK), | |
883 | FLAG(status, PCI_STATUS_PARITY), | |
98e39e09 MM |
884 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" : |
885 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" : | |
886 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??", | |
1c31d620 MM |
887 | FLAG(status, PCI_STATUS_SIG_TARGET_ABORT), |
888 | FLAG(status, PCI_STATUS_REC_TARGET_ABORT), | |
889 | FLAG(status, PCI_STATUS_REC_MASTER_ABORT), | |
890 | FLAG(status, PCI_STATUS_SIG_SYSTEM_ERROR), | |
891 | FLAG(status, PCI_STATUS_DETECTED_PARITY)); | |
98e39e09 MM |
892 | if (cmd & PCI_COMMAND_MASTER) |
893 | { | |
56164f4f MM |
894 | printf("\tLatency: %d", latency); |
895 | if (min_gnt || max_lat) | |
896 | { | |
897 | printf(" ("); | |
898 | if (min_gnt) | |
899 | printf("%dns min", min_gnt*250); | |
900 | if (min_gnt && max_lat) | |
901 | printf(", "); | |
902 | if (max_lat) | |
903 | printf("%dns max", max_lat*250); | |
904 | putchar(')'); | |
905 | } | |
98e39e09 | 906 | if (cache_line) |
f701ff47 | 907 | printf(", Cache Line Size %02x", cache_line); |
98e39e09 MM |
908 | putchar('\n'); |
909 | } | |
727ce158 | 910 | if (int_pin || irq) |
9739916e | 911 | printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT "\n", |
727ce158 | 912 | (int_pin ? 'A' + int_pin - 1 : '?'), irq); |
98e39e09 MM |
913 | } |
914 | else | |
915 | { | |
916 | printf("\tFlags: "); | |
917 | if (cmd & PCI_COMMAND_MASTER) | |
918 | printf("bus master, "); | |
919 | if (cmd & PCI_COMMAND_VGA_PALETTE) | |
920 | printf("VGA palette snoop, "); | |
921 | if (cmd & PCI_COMMAND_WAIT) | |
922 | printf("stepping, "); | |
923 | if (cmd & PCI_COMMAND_FAST_BACK) | |
924 | printf("fast Back2Back, "); | |
925 | if (status & PCI_STATUS_66MHZ) | |
926 | printf("66Mhz, "); | |
927 | if (status & PCI_STATUS_UDF) | |
928 | printf("user-definable features, "); | |
929 | printf("%s devsel", | |
930 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" : | |
931 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" : | |
932 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??"); | |
933 | if (cmd & PCI_COMMAND_MASTER) | |
934 | printf(", latency %d", latency); | |
727ce158 | 935 | if (irq) |
9739916e | 936 | printf(", IRQ " PCIIRQ_FMT, irq); |
98e39e09 MM |
937 | putchar('\n'); |
938 | } | |
939 | ||
940 | if (bist & PCI_BIST_CAPABLE) | |
941 | { | |
942 | if (bist & PCI_BIST_START) | |
943 | printf("\tBIST is running\n"); | |
944 | else | |
945 | printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK); | |
946 | } | |
947 | ||
948 | switch (htype) | |
949 | { | |
2f48f637 | 950 | case PCI_HEADER_TYPE_NORMAL: |
98e39e09 MM |
951 | show_htype0(d); |
952 | break; | |
2f48f637 | 953 | case PCI_HEADER_TYPE_BRIDGE: |
98e39e09 MM |
954 | show_htype1(d); |
955 | break; | |
2f48f637 MM |
956 | case PCI_HEADER_TYPE_CARDBUS: |
957 | show_htype2(d); | |
958 | break; | |
98e39e09 MM |
959 | } |
960 | } | |
961 | ||
962 | static void | |
963 | show_hex_dump(struct device *d) | |
964 | { | |
b5137411 | 965 | unsigned int i; |
98e39e09 | 966 | |
727ce158 | 967 | for(i=0; i<d->config_cnt; i++) |
98e39e09 MM |
968 | { |
969 | if (! (i & 15)) | |
970 | printf("%02x:", i); | |
971 | printf(" %02x", get_conf_byte(d, i)); | |
972 | if ((i & 15) == 15) | |
973 | putchar('\n'); | |
974 | } | |
975 | } | |
976 | ||
0a33d0ec MM |
977 | static void |
978 | show_machine(struct device *d) | |
979 | { | |
727ce158 | 980 | struct pci_dev *p = d->dev; |
0a33d0ec | 981 | int c; |
ce503b7f | 982 | word sv_id=0, sd_id=0; |
727ce158 | 983 | char classbuf[128], vendbuf[128], devbuf[128], svbuf[128], sdbuf[128]; |
ce503b7f MM |
984 | |
985 | switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f) | |
986 | { | |
987 | case PCI_HEADER_TYPE_NORMAL: | |
988 | sv_id = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID); | |
989 | sd_id = get_conf_word(d, PCI_SUBSYSTEM_ID); | |
990 | break; | |
991 | case PCI_HEADER_TYPE_CARDBUS: | |
992 | sv_id = get_conf_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID); | |
993 | sd_id = get_conf_word(d, PCI_CB_SUBSYSTEM_ID); | |
994 | break; | |
995 | } | |
0a33d0ec MM |
996 | |
997 | if (verbose) | |
998 | { | |
727ce158 MM |
999 | printf("Device:\t%02x:%02x.%x\n", p->bus, p->dev, p->func); |
1000 | printf("Class:\t%s\n", | |
d4798a32 | 1001 | pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0)); |
727ce158 | 1002 | printf("Vendor:\t%s\n", |
d4798a32 | 1003 | pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, 0, 0)); |
727ce158 | 1004 | printf("Device:\t%s\n", |
d4798a32 | 1005 | pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, 0, 0)); |
ce503b7f MM |
1006 | if (sv_id && sv_id != 0xffff) |
1007 | { | |
727ce158 | 1008 | printf("SVendor:\t%s\n", |
d4798a32 | 1009 | pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, sv_id, sd_id)); |
727ce158 | 1010 | printf("SDevice:\t%s\n", |
d4798a32 | 1011 | pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id)); |
ce503b7f | 1012 | } |
0a33d0ec MM |
1013 | if (c = get_conf_byte(d, PCI_REVISION_ID)) |
1014 | printf("Rev:\t%02x\n", c); | |
1015 | if (c = get_conf_byte(d, PCI_CLASS_PROG)) | |
1016 | printf("ProgIf:\t%02x\n", c); | |
1017 | } | |
1018 | else | |
1019 | { | |
727ce158 | 1020 | printf("%02x:%02x.%x ", p->bus, p->dev, p->func); |
0a33d0ec | 1021 | printf("\"%s\" \"%s\" \"%s\"", |
727ce158 | 1022 | pci_lookup_name(pacc, classbuf, sizeof(classbuf), PCI_LOOKUP_CLASS, |
d4798a32 | 1023 | get_conf_word(d, PCI_CLASS_DEVICE), 0, 0, 0), |
727ce158 | 1024 | pci_lookup_name(pacc, vendbuf, sizeof(vendbuf), PCI_LOOKUP_VENDOR, |
d4798a32 | 1025 | p->vendor_id, p->device_id, 0, 0), |
727ce158 | 1026 | pci_lookup_name(pacc, devbuf, sizeof(devbuf), PCI_LOOKUP_DEVICE, |
d4798a32 | 1027 | p->vendor_id, p->device_id, 0, 0)); |
0a33d0ec MM |
1028 | if (c = get_conf_byte(d, PCI_REVISION_ID)) |
1029 | printf(" -r%02x", c); | |
1030 | if (c = get_conf_byte(d, PCI_CLASS_PROG)) | |
1031 | printf(" -p%02x", c); | |
ce503b7f | 1032 | if (sv_id && sv_id != 0xffff) |
727ce158 | 1033 | printf(" \"%s\" \"%s\"", |
d4798a32 MM |
1034 | pci_lookup_name(pacc, svbuf, sizeof(svbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR, p->vendor_id, p->device_id, sv_id, sd_id), |
1035 | pci_lookup_name(pacc, sdbuf, sizeof(sdbuf), PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_DEVICE, p->vendor_id, p->device_id, sv_id, sd_id)); | |
ce503b7f MM |
1036 | else |
1037 | printf(" \"\" \"\""); | |
0a33d0ec MM |
1038 | putchar('\n'); |
1039 | } | |
1040 | } | |
1041 | ||
1812a795 MM |
1042 | static void |
1043 | show_device(struct device *d) | |
1044 | { | |
1045 | if (machine_readable) | |
1046 | show_machine(d); | |
1047 | else if (verbose) | |
1048 | show_verbose(d); | |
1049 | else | |
1050 | show_terse(d); | |
1051 | if (show_hex) | |
1052 | show_hex_dump(d); | |
1053 | if (verbose || show_hex) | |
1054 | putchar('\n'); | |
1055 | } | |
1056 | ||
98e39e09 MM |
1057 | static void |
1058 | show(void) | |
1059 | { | |
1060 | struct device *d; | |
1061 | ||
1062 | for(d=first_dev; d; d=d->next) | |
1812a795 | 1063 | show_device(d); |
98e39e09 MM |
1064 | } |
1065 | ||
6d0dc0fd MM |
1066 | /* Tree output */ |
1067 | ||
1068 | struct bridge { | |
1069 | struct bridge *chain; /* Single-linked list of bridges */ | |
1070 | struct bridge *next, *child; /* Tree of bridges */ | |
1071 | struct bus *first_bus; /* List of busses connected to this bridge */ | |
1072 | unsigned int primary, secondary, subordinate; /* Bus numbers */ | |
1073 | struct device *br_dev; | |
1074 | }; | |
1075 | ||
1076 | struct bus { | |
1077 | unsigned int number; | |
1078 | struct bus *sibling; | |
1079 | struct device *first_dev, **last_dev; | |
1080 | }; | |
1081 | ||
1082 | static struct bridge host_bridge = { NULL, NULL, NULL, NULL, ~0, 0, ~0, NULL }; | |
1083 | ||
1084 | static struct bus * | |
1085 | find_bus(struct bridge *b, unsigned int n) | |
1086 | { | |
1087 | struct bus *bus; | |
1088 | ||
1089 | for(bus=b->first_bus; bus; bus=bus->sibling) | |
1090 | if (bus->number == n) | |
1091 | break; | |
1092 | return bus; | |
1093 | } | |
1094 | ||
1095 | static struct bus * | |
1096 | new_bus(struct bridge *b, unsigned int n) | |
1097 | { | |
1098 | struct bus *bus = xmalloc(sizeof(struct bus)); | |
1099 | ||
1100 | bus = xmalloc(sizeof(struct bus)); | |
1101 | bus->number = n; | |
1102 | bus->sibling = b->first_bus; | |
1103 | bus->first_dev = NULL; | |
1104 | bus->last_dev = &bus->first_dev; | |
1105 | b->first_bus = bus; | |
1106 | return bus; | |
1107 | } | |
1108 | ||
1109 | static void | |
1110 | insert_dev(struct device *d, struct bridge *b) | |
1111 | { | |
727ce158 | 1112 | struct pci_dev *p = d->dev; |
6d0dc0fd MM |
1113 | struct bus *bus; |
1114 | ||
727ce158 | 1115 | if (! (bus = find_bus(b, p->bus))) |
6d0dc0fd MM |
1116 | { |
1117 | struct bridge *c; | |
1118 | for(c=b->child; c; c=c->next) | |
727ce158 | 1119 | if (c->secondary <= p->bus && p->bus <= c->subordinate) |
14d6c0a3 MM |
1120 | { |
1121 | insert_dev(d, c); | |
1122 | return; | |
1123 | } | |
727ce158 | 1124 | bus = new_bus(b, p->bus); |
6d0dc0fd MM |
1125 | } |
1126 | /* Simple insertion at the end _does_ guarantee the correct order as the | |
1127 | * original device list was sorted by (bus, devfn) lexicographically | |
1128 | * and all devices on the new list have the same bus number. | |
1129 | */ | |
1130 | *bus->last_dev = d; | |
1131 | bus->last_dev = &d->next; | |
1132 | d->next = NULL; | |
1133 | } | |
1134 | ||
1135 | static void | |
1136 | grow_tree(void) | |
1137 | { | |
1138 | struct device *d, *d2; | |
008407bd | 1139 | struct bridge **last_br, *b; |
6d0dc0fd MM |
1140 | |
1141 | /* Build list of bridges */ | |
1142 | ||
008407bd | 1143 | last_br = &host_bridge.chain; |
6d0dc0fd MM |
1144 | for(d=first_dev; d; d=d->next) |
1145 | { | |
1146 | word class = get_conf_word(d, PCI_CLASS_DEVICE); | |
96e4f295 MM |
1147 | byte ht = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f; |
1148 | if (class == PCI_CLASS_BRIDGE_PCI && | |
1149 | (ht == PCI_HEADER_TYPE_BRIDGE || ht == PCI_HEADER_TYPE_CARDBUS)) | |
6d0dc0fd MM |
1150 | { |
1151 | b = xmalloc(sizeof(struct bridge)); | |
96e4f295 MM |
1152 | if (ht == PCI_HEADER_TYPE_BRIDGE) |
1153 | { | |
1154 | b->primary = get_conf_byte(d, PCI_CB_PRIMARY_BUS); | |
1155 | b->secondary = get_conf_byte(d, PCI_CB_CARD_BUS); | |
1156 | b->subordinate = get_conf_byte(d, PCI_CB_SUBORDINATE_BUS); | |
1157 | } | |
1158 | else | |
1159 | { | |
1160 | b->primary = get_conf_byte(d, PCI_PRIMARY_BUS); | |
1161 | b->secondary = get_conf_byte(d, PCI_SECONDARY_BUS); | |
1162 | b->subordinate = get_conf_byte(d, PCI_SUBORDINATE_BUS); | |
1163 | } | |
008407bd MM |
1164 | *last_br = b; |
1165 | last_br = &b->chain; | |
6d0dc0fd MM |
1166 | b->next = b->child = NULL; |
1167 | b->first_bus = NULL; | |
1168 | b->br_dev = d; | |
1169 | } | |
1170 | } | |
008407bd | 1171 | *last_br = NULL; |
6d0dc0fd MM |
1172 | |
1173 | /* Create a bridge tree */ | |
1174 | ||
008407bd | 1175 | for(b=&host_bridge; b; b=b->chain) |
6d0dc0fd MM |
1176 | { |
1177 | struct bridge *c, *best; | |
1178 | best = NULL; | |
008407bd | 1179 | for(c=&host_bridge; c; c=c->chain) |
6d0dc0fd MM |
1180 | if (c != b && b->primary >= c->secondary && b->primary <= c->subordinate && |
1181 | (!best || best->subordinate - best->primary > c->subordinate - c->primary)) | |
1182 | best = c; | |
1183 | if (best) | |
1184 | { | |
1185 | b->next = best->child; | |
1186 | best->child = b; | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | /* Insert secondary bus for each bridge */ | |
1191 | ||
008407bd | 1192 | for(b=&host_bridge; b; b=b->chain) |
6d0dc0fd MM |
1193 | if (!find_bus(b, b->secondary)) |
1194 | new_bus(b, b->secondary); | |
1195 | ||
1196 | /* Create bus structs and link devices */ | |
1197 | ||
1198 | for(d=first_dev; d;) | |
1199 | { | |
1200 | d2 = d->next; | |
1201 | insert_dev(d, &host_bridge); | |
1202 | d = d2; | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | static void | |
1207 | print_it(byte *line, byte *p) | |
1208 | { | |
1209 | *p++ = '\n'; | |
1210 | *p = 0; | |
1211 | fputs(line, stdout); | |
1212 | for(p=line; *p; p++) | |
008407bd | 1213 | if (*p == '+' || *p == '|') |
6d0dc0fd MM |
1214 | *p = '|'; |
1215 | else | |
1216 | *p = ' '; | |
1217 | } | |
1218 | ||
1219 | static void show_tree_bridge(struct bridge *, byte *, byte *); | |
1220 | ||
1221 | static void | |
1222 | show_tree_dev(struct device *d, byte *line, byte *p) | |
1223 | { | |
727ce158 | 1224 | struct pci_dev *q = d->dev; |
6d0dc0fd | 1225 | struct bridge *b; |
727ce158 | 1226 | char namebuf[256]; |
6d0dc0fd | 1227 | |
727ce158 | 1228 | p += sprintf(p, "%02x.%x", q->dev, q->func); |
6d0dc0fd MM |
1229 | for(b=&host_bridge; b; b=b->chain) |
1230 | if (b->br_dev == d) | |
1231 | { | |
008407bd MM |
1232 | if (b->secondary == b->subordinate) |
1233 | p += sprintf(p, "-[%02x]-", b->secondary); | |
1234 | else | |
1235 | p += sprintf(p, "-[%02x-%02x]-", b->secondary, b->subordinate); | |
6d0dc0fd MM |
1236 | show_tree_bridge(b, line, p); |
1237 | return; | |
1238 | } | |
18928b91 | 1239 | if (verbose) |
727ce158 MM |
1240 | p += sprintf(p, " %s", |
1241 | pci_lookup_name(pacc, namebuf, sizeof(namebuf), | |
1242 | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE, | |
d4798a32 | 1243 | q->vendor_id, q->device_id, 0, 0)); |
6d0dc0fd MM |
1244 | print_it(line, p); |
1245 | } | |
1246 | ||
1247 | static void | |
1248 | show_tree_bus(struct bus *b, byte *line, byte *p) | |
1249 | { | |
1250 | if (!b->first_dev) | |
1251 | print_it(line, p); | |
1252 | else if (!b->first_dev->next) | |
1253 | { | |
1254 | *p++ = '-'; | |
1255 | *p++ = '-'; | |
1256 | show_tree_dev(b->first_dev, line, p); | |
1257 | } | |
1258 | else | |
1259 | { | |
1260 | struct device *d = b->first_dev; | |
1261 | while (d->next) | |
1262 | { | |
1263 | p[0] = '+'; | |
1264 | p[1] = '-'; | |
1265 | show_tree_dev(d, line, p+2); | |
1266 | d = d->next; | |
1267 | } | |
1268 | p[0] = '\\'; | |
1269 | p[1] = '-'; | |
1270 | show_tree_dev(d, line, p+2); | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | static void | |
1275 | show_tree_bridge(struct bridge *b, byte *line, byte *p) | |
1276 | { | |
1277 | *p++ = '-'; | |
1278 | if (!b->first_bus->sibling) | |
1279 | { | |
1280 | if (b == &host_bridge) | |
1281 | p += sprintf(p, "[%02x]-", b->first_bus->number); | |
1282 | show_tree_bus(b->first_bus, line, p); | |
1283 | } | |
1284 | else | |
1285 | { | |
1286 | struct bus *u = b->first_bus; | |
1287 | byte *k; | |
1288 | ||
1289 | while (u->sibling) | |
1290 | { | |
1291 | k = p + sprintf(p, "+-[%02x]-", u->number); | |
1292 | show_tree_bus(u, line, k); | |
1293 | u = u->sibling; | |
1294 | } | |
1295 | k = p + sprintf(p, "\\-[%02x]-", u->number); | |
1296 | show_tree_bus(u, line, k); | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | static void | |
1301 | show_forest(void) | |
1302 | { | |
1303 | char line[256]; | |
1304 | ||
1305 | grow_tree(); | |
1306 | show_tree_bridge(&host_bridge, line, line); | |
1307 | } | |
1308 | ||
1812a795 MM |
1309 | /* Bus mapping mode */ |
1310 | ||
1311 | struct bus_bridge { | |
1312 | struct bus_bridge *next; | |
1c31d620 | 1313 | byte this, dev, func, first, last, bug; |
1812a795 MM |
1314 | }; |
1315 | ||
1316 | struct bus_info { | |
1317 | byte exists; | |
1c31d620 MM |
1318 | byte guestbook; |
1319 | struct bus_bridge *bridges, *via; | |
1812a795 MM |
1320 | }; |
1321 | ||
1322 | static struct bus_info *bus_info; | |
1323 | ||
1324 | static void | |
1325 | map_bridge(struct bus_info *bi, struct device *d, int np, int ns, int nl) | |
1326 | { | |
1327 | struct bus_bridge *b = xmalloc(sizeof(struct bus_bridge)); | |
1328 | struct pci_dev *p = d->dev; | |
1812a795 MM |
1329 | |
1330 | b->next = bi->bridges; | |
1331 | bi->bridges = b; | |
1c31d620 MM |
1332 | b->this = get_conf_byte(d, np); |
1333 | b->dev = p->dev; | |
1334 | b->func = p->func; | |
1812a795 MM |
1335 | b->first = get_conf_byte(d, ns); |
1336 | b->last = get_conf_byte(d, nl); | |
1337 | printf("## %02x.%02x:%d is a bridge from %02x to %02x-%02x\n", | |
1c31d620 MM |
1338 | p->bus, p->dev, p->func, b->this, b->first, b->last); |
1339 | if (b->this != p->bus) | |
1812a795 MM |
1340 | printf("!!! Bridge points to invalid primary bus.\n"); |
1341 | if (b->first > b->last) | |
1342 | { | |
1343 | printf("!!! Bridge points to invalid bus range.\n"); | |
1344 | b->last = b->first; | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | static void | |
1349 | do_map_bus(int bus) | |
1350 | { | |
1351 | int dev, func; | |
1352 | int verbose = pacc->debugging; | |
1353 | struct bus_info *bi = bus_info + bus; | |
1354 | struct device *d; | |
1355 | ||
1356 | if (verbose) | |
1357 | printf("Mapping bus %02x\n", bus); | |
1358 | for(dev = 0; dev < 32; dev++) | |
1359 | if (filter.slot < 0 || filter.slot == dev) | |
1360 | { | |
f3395cc5 MM |
1361 | int func_limit = 1; |
1362 | for(func = 0; func < func_limit; func++) | |
1812a795 MM |
1363 | if (filter.func < 0 || filter.func == func) |
1364 | { | |
1365 | struct pci_dev *p = pci_get_dev(pacc, bus, dev, func); | |
1366 | u16 vendor = pci_read_word(p, PCI_VENDOR_ID); | |
1367 | if (vendor && vendor != 0xffff) | |
1368 | { | |
f3395cc5 MM |
1369 | if (!func && (pci_read_byte(p, PCI_HEADER_TYPE) & 0x80)) |
1370 | func_limit = 8; | |
1812a795 MM |
1371 | if (verbose) |
1372 | printf("Discovered device %02x:%02x.%d\n", bus, dev, func); | |
1373 | bi->exists = 1; | |
1374 | if (d = scan_device(p)) | |
1375 | { | |
1376 | show_device(d); | |
1377 | switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f) | |
1378 | { | |
1379 | case PCI_HEADER_TYPE_BRIDGE: | |
1380 | map_bridge(bi, d, PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS); | |
1381 | break; | |
1382 | case PCI_HEADER_TYPE_CARDBUS: | |
1383 | map_bridge(bi, d, PCI_CB_PRIMARY_BUS, PCI_CB_CARD_BUS, PCI_CB_SUBORDINATE_BUS); | |
1384 | break; | |
1385 | } | |
1386 | free(d); | |
1387 | } | |
1388 | else if (verbose) | |
1389 | printf("But it was filtered out.\n"); | |
1390 | } | |
1391 | pci_free_dev(p); | |
1392 | } | |
1393 | } | |
1394 | } | |
1395 | ||
1c31d620 MM |
1396 | static void |
1397 | do_map_bridges(int bus, int min, int max) | |
1398 | { | |
1399 | struct bus_info *bi = bus_info + bus; | |
1400 | struct bus_bridge *b; | |
1401 | ||
1402 | bi->guestbook = 1; | |
1403 | for(b=bi->bridges; b; b=b->next) | |
1404 | { | |
1405 | if (bus_info[b->first].guestbook) | |
1406 | b->bug = 1; | |
1407 | else if (b->first < min || b->last > max) | |
1408 | b->bug = 2; | |
1409 | else | |
1410 | { | |
1411 | bus_info[b->first].via = b; | |
1412 | do_map_bridges(b->first, b->first, b->last); | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | ||
1417 | static void | |
1418 | map_bridges(void) | |
1419 | { | |
1420 | int i; | |
1421 | ||
1422 | printf("\nSummary of buses:\n\n"); | |
1423 | for(i=0; i<256; i++) | |
1424 | if (bus_info[i].exists && !bus_info[i].guestbook) | |
1425 | do_map_bridges(i, 0, 255); | |
1426 | for(i=0; i<256; i++) | |
1427 | { | |
1428 | struct bus_info *bi = bus_info + i; | |
1429 | struct bus_bridge *b = bi->via; | |
1430 | ||
1431 | if (bi->exists) | |
1432 | { | |
1433 | printf("%02x: ", i); | |
1434 | if (b) | |
1435 | printf("Entered via %02x:%02x.%d\n", b->this, b->dev, b->func); | |
1436 | else if (!i) | |
1437 | printf("Primary host bus\n"); | |
1438 | else | |
1439 | printf("Secondary host bus (?)\n"); | |
1440 | } | |
1441 | for(b=bi->bridges; b; b=b->next) | |
1442 | { | |
1443 | printf("\t%02x.%d Bridge to %02x-%02x", b->dev, b->func, b->first, b->last); | |
1444 | switch (b->bug) | |
1445 | { | |
1446 | case 1: | |
1447 | printf(" <overlap bug>"); | |
1448 | break; | |
1449 | case 2: | |
1450 | printf(" <crossing bug>"); | |
1451 | break; | |
1452 | } | |
1453 | putchar('\n'); | |
1454 | } | |
1455 | } | |
1456 | } | |
1457 | ||
1812a795 MM |
1458 | static void |
1459 | map_the_bus(void) | |
1460 | { | |
1461 | if (pacc->method == PCI_ACCESS_PROC_BUS_PCI || | |
1462 | pacc->method == PCI_ACCESS_DUMP) | |
1463 | printf("WARNING: Bus mapping can be reliable only with direct hardware access enabled.\n\n"); | |
1464 | else if (!check_root()) | |
1465 | die("Only root can map the bus."); | |
1466 | bus_info = xmalloc(sizeof(struct bus_info) * 256); | |
1467 | bzero(bus_info, sizeof(struct bus_info) * 256); | |
1468 | if (filter.bus >= 0) | |
1469 | do_map_bus(filter.bus); | |
1470 | else | |
1471 | { | |
1472 | int bus; | |
1473 | for(bus=0; bus<256; bus++) | |
1474 | do_map_bus(bus); | |
1475 | } | |
1c31d620 | 1476 | map_bridges(); |
1812a795 MM |
1477 | } |
1478 | ||
98e39e09 MM |
1479 | /* Main */ |
1480 | ||
1481 | int | |
1482 | main(int argc, char **argv) | |
1483 | { | |
1484 | int i; | |
e4842ff3 | 1485 | char *msg; |
98e39e09 | 1486 | |
496d4021 MM |
1487 | if (argc == 2 && !strcmp(argv[1], "--version")) |
1488 | { | |
1489 | puts("lspci version " PCIUTILS_VERSION); | |
1490 | return 0; | |
1491 | } | |
727ce158 MM |
1492 | |
1493 | pacc = pci_alloc(); | |
1494 | pacc->error = die; | |
1495 | pci_filter_init(pacc, &filter); | |
1496 | ||
98e39e09 MM |
1497 | while ((i = getopt(argc, argv, options)) != -1) |
1498 | switch (i) | |
1499 | { | |
1500 | case 'n': | |
727ce158 | 1501 | pacc->numeric_ids = 1; |
98e39e09 MM |
1502 | break; |
1503 | case 'v': | |
1504 | verbose++; | |
1505 | break; | |
1506 | case 'b': | |
727ce158 | 1507 | pacc->buscentric = 1; |
98e39e09 MM |
1508 | buscentric_view = 1; |
1509 | break; | |
e4842ff3 | 1510 | case 's': |
727ce158 | 1511 | if (msg = pci_filter_parse_slot(&filter, optarg)) |
b7fd8e19 | 1512 | die("-s: %s", msg); |
98e39e09 | 1513 | break; |
e4842ff3 | 1514 | case 'd': |
727ce158 MM |
1515 | if (msg = pci_filter_parse_id(&filter, optarg)) |
1516 | die("-d: %s", msg); | |
98e39e09 MM |
1517 | break; |
1518 | case 'x': | |
1519 | show_hex++; | |
1520 | break; | |
6d0dc0fd MM |
1521 | case 't': |
1522 | show_tree++; | |
1523 | break; | |
18928b91 | 1524 | case 'i': |
727ce158 | 1525 | pacc->id_file_name = optarg; |
18928b91 | 1526 | break; |
0a33d0ec MM |
1527 | case 'm': |
1528 | machine_readable++; | |
1529 | break; | |
1812a795 MM |
1530 | case 'M': |
1531 | map_mode++; | |
1532 | break; | |
98e39e09 | 1533 | default: |
727ce158 MM |
1534 | if (parse_generic_option(i, pacc, optarg)) |
1535 | break; | |
98e39e09 | 1536 | bad: |
727ce158 | 1537 | fprintf(stderr, help_msg, pacc->id_file_name); |
98e39e09 MM |
1538 | return 1; |
1539 | } | |
1540 | if (optind < argc) | |
1541 | goto bad; | |
1542 | ||
727ce158 | 1543 | pci_init(pacc); |
1812a795 MM |
1544 | if (map_mode) |
1545 | map_the_bus(); | |
6d0dc0fd | 1546 | else |
1812a795 MM |
1547 | { |
1548 | scan_devices(); | |
1549 | sort_them(); | |
1550 | if (show_tree) | |
1551 | show_forest(); | |
1552 | else | |
1553 | show(); | |
1554 | } | |
727ce158 | 1555 | pci_cleanup(pacc); |
98e39e09 MM |
1556 | |
1557 | return 0; | |
1558 | } |