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Commit | Line | Data |
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98e39e09 | 1 | /* |
496d4021 | 2 | * $Id: lspci.c,v 1.12 1998/06/08 07:54:37 mj Exp $ |
98e39e09 MM |
3 | * |
4 | * Linux PCI Utilities -- List All PCI Devices | |
5 | * | |
18928b91 | 6 | * Copyright (c) 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz> |
98e39e09 MM |
7 | * |
8 | * Can be freely distributed and used under the terms of the GNU GPL. | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
12 | #include <string.h> | |
13 | #include <stdlib.h> | |
14 | #include <fcntl.h> | |
15 | #include <unistd.h> | |
98e39e09 MM |
16 | |
17 | #include "pciutils.h" | |
18 | ||
19 | /* Options */ | |
20 | ||
21 | static int verbose; /* Show detailed information */ | |
22 | static int buscentric_view; /* Show bus addresses/IRQ's instead of CPU-visible ones */ | |
23 | static int show_hex; /* Show contents of config space as hexadecimal numbers */ | |
e4842ff3 | 24 | static struct pci_filter filter; /* Device filter */ |
6d0dc0fd | 25 | static int show_tree; /* Show bus tree */ |
0a33d0ec | 26 | static int machine_readable; /* Generate machine-readable output */ |
18928b91 | 27 | static char *pci_dir = PROC_BUS_PCI; |
98e39e09 | 28 | |
e4842ff3 | 29 | static char options[] = "nvbxs:d:ti:p:m"; |
98e39e09 MM |
30 | |
31 | static char help_msg[] = "\ | |
32 | Usage: lspci [<switches>]\n\ | |
33 | \n\ | |
e4842ff3 MM |
34 | -v\t\tBe verbose\n\ |
35 | -n\t\tShow numeric ID's\n\ | |
36 | -b\t\tBus-centric view (PCI addresses and IRQ's instead of those seen by the CPU)\n\ | |
37 | -x\t\tShow hex-dump of config space (-xx shows full 256 bytes)\n\ | |
38 | -s [[<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n\ | |
39 | -d [<vendor>]:[<device>]\tShow only selected devices\n\ | |
40 | -t\t\tShow bus tree\n\ | |
41 | -m\t\tProduce machine-readable output\n\ | |
18928b91 MM |
42 | -i <file>\tUse specified ID database instead of " ETC_PCI_IDS "\n\ |
43 | -p <dir>\tUse specified bus directory instead of " PROC_BUS_PCI "\n\ | |
98e39e09 MM |
44 | "; |
45 | ||
f17b962b MM |
46 | /* Format strings used for IRQ numbers */ |
47 | ||
2f48f637 | 48 | #ifdef ARCH_SPARC64 |
f17b962b MM |
49 | #define IRQ_FORMAT "%08x" |
50 | #else | |
51 | #define IRQ_FORMAT "%d" | |
52 | #endif | |
53 | ||
98e39e09 MM |
54 | /* Our view of the PCI bus */ |
55 | ||
56 | struct device { | |
57 | struct device *next; | |
58 | byte bus, devfn; | |
59 | word vendid, devid; | |
60 | unsigned int kernel_irq; | |
b2c9b373 | 61 | unsigned long kernel_base_addr[6], kernel_rom_base_addr; |
98e39e09 MM |
62 | byte config[256]; |
63 | }; | |
64 | ||
65 | static struct device *first_dev, **last_dev = &first_dev; | |
66 | ||
67 | /* Miscellaneous routines */ | |
68 | ||
69 | void * | |
70 | xmalloc(unsigned int howmuch) | |
71 | { | |
72 | void *p = malloc(howmuch); | |
73 | if (!p) | |
74 | { | |
75 | fprintf(stderr, "lspci: Unable to allocate %d bytes of memory\n", howmuch); | |
76 | exit(1); | |
77 | } | |
78 | return p; | |
79 | } | |
80 | ||
98e39e09 MM |
81 | /* Interface for /proc/bus/pci */ |
82 | ||
83 | static void | |
84 | scan_dev_list(void) | |
85 | { | |
86 | FILE *f; | |
87 | byte line[256]; | |
18928b91 | 88 | byte name[256]; |
98e39e09 | 89 | |
18928b91 MM |
90 | sprintf(name, "%s/devices", pci_dir); |
91 | if (! (f = fopen(name, "r"))) | |
98e39e09 | 92 | { |
18928b91 | 93 | perror(name); |
98e39e09 MM |
94 | exit(1); |
95 | } | |
96 | while (fgets(line, sizeof(line), f)) | |
97 | { | |
98 | struct device *d = xmalloc(sizeof(struct device)); | |
99 | unsigned int dfn, vend; | |
100 | ||
b2c9b373 MM |
101 | bzero(d, sizeof(*d)); |
102 | sscanf(line, "%x %x %x %lx %lx %lx %lx %lx %lx %lx", | |
98e39e09 MM |
103 | &dfn, |
104 | &vend, | |
105 | &d->kernel_irq, | |
106 | &d->kernel_base_addr[0], | |
107 | &d->kernel_base_addr[1], | |
108 | &d->kernel_base_addr[2], | |
109 | &d->kernel_base_addr[3], | |
110 | &d->kernel_base_addr[4], | |
b2c9b373 MM |
111 | &d->kernel_base_addr[5], |
112 | &d->kernel_rom_base_addr); | |
98e39e09 MM |
113 | d->bus = dfn >> 8U; |
114 | d->devfn = dfn & 0xff; | |
115 | d->vendid = vend >> 16U; | |
116 | d->devid = vend & 0xffff; | |
e4842ff3 | 117 | if (filter_match(&filter, d->bus, d->devfn, d->vendid, d->devid)) |
98e39e09 MM |
118 | { |
119 | *last_dev = d; | |
120 | last_dev = &d->next; | |
121 | d->next = NULL; | |
122 | } | |
123 | } | |
124 | fclose(f); | |
125 | } | |
126 | ||
127 | static inline void | |
128 | make_proc_pci_name(struct device *d, char *p) | |
129 | { | |
18928b91 MM |
130 | sprintf(p, "%s/%02x/%02x.%x", |
131 | pci_dir, d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); | |
98e39e09 MM |
132 | } |
133 | ||
134 | static void | |
135 | scan_config(void) | |
136 | { | |
137 | struct device *d; | |
138 | char name[64]; | |
2f48f637 | 139 | int fd, res; |
98e39e09 MM |
140 | int how_much = (show_hex > 1) ? 256 : 64; |
141 | ||
142 | for(d=first_dev; d; d=d->next) | |
143 | { | |
144 | make_proc_pci_name(d, name); | |
145 | if ((fd = open(name, O_RDONLY)) < 0) | |
146 | { | |
147 | fprintf(stderr, "lspci: Unable to open %s: %m\n", name); | |
148 | exit(1); | |
149 | } | |
2f48f637 MM |
150 | res = read(fd, d->config, how_much); |
151 | if (res < 0) | |
98e39e09 MM |
152 | { |
153 | fprintf(stderr, "lspci: Error reading %s: %m\n", name); | |
154 | exit(1); | |
155 | } | |
2f48f637 MM |
156 | if (res != how_much) |
157 | { | |
158 | fprintf(stderr, "lspci: Only %d bytes of config space available to you\n", res); | |
159 | exit(1); | |
160 | } | |
98e39e09 MM |
161 | close(fd); |
162 | } | |
163 | } | |
164 | ||
165 | static void | |
166 | scan_proc(void) | |
167 | { | |
168 | scan_dev_list(); | |
169 | scan_config(); | |
170 | } | |
171 | ||
172 | /* Config space accesses */ | |
173 | ||
174 | static inline byte | |
175 | get_conf_byte(struct device *d, unsigned int pos) | |
176 | { | |
177 | return d->config[pos]; | |
178 | } | |
179 | ||
180 | static word | |
181 | get_conf_word(struct device *d, unsigned int pos) | |
182 | { | |
183 | return d->config[pos] | (d->config[pos+1] << 8); | |
184 | } | |
185 | ||
186 | static u32 | |
187 | get_conf_long(struct device *d, unsigned int pos) | |
188 | { | |
189 | return d->config[pos] | | |
190 | (d->config[pos+1] << 8) | | |
191 | (d->config[pos+2] << 16) | | |
192 | (d->config[pos+3] << 24); | |
193 | } | |
194 | ||
195 | /* Sorting */ | |
196 | ||
197 | static int | |
198 | compare_them(const void *A, const void *B) | |
199 | { | |
200 | const struct device *a = *(const struct device **)A; | |
201 | const struct device *b = *(const struct device **)B; | |
202 | ||
203 | if (a->bus < b->bus) | |
204 | return -1; | |
205 | if (a->bus > b->bus) | |
206 | return 1; | |
207 | if (a->devfn < b->devfn) | |
208 | return -1; | |
209 | if (a->devfn > b->devfn) | |
210 | return 1; | |
211 | return 0; | |
212 | } | |
213 | ||
214 | static void | |
215 | sort_them(void) | |
216 | { | |
217 | struct device **index, **h; | |
218 | int cnt; | |
219 | struct device *d; | |
220 | ||
221 | cnt = 0; | |
222 | for(d=first_dev; d; d=d->next) | |
223 | cnt++; | |
224 | h = index = alloca(sizeof(struct device *) * cnt); | |
225 | for(d=first_dev; d; d=d->next) | |
226 | *h++ = d; | |
227 | qsort(index, cnt, sizeof(struct device *), compare_them); | |
228 | last_dev = &first_dev; | |
229 | h = index; | |
230 | while (cnt--) | |
231 | { | |
232 | *last_dev = *h; | |
233 | last_dev = &(*h)->next; | |
234 | h++; | |
235 | } | |
236 | *last_dev = NULL; | |
237 | } | |
238 | ||
6d0dc0fd | 239 | /* Normal output */ |
98e39e09 MM |
240 | |
241 | static void | |
242 | show_terse(struct device *d) | |
243 | { | |
244 | int c; | |
245 | ||
246 | printf("%02x:%02x.%x %s: %s", | |
247 | d->bus, | |
248 | PCI_SLOT(d->devfn), | |
249 | PCI_FUNC(d->devfn), | |
250 | lookup_class(get_conf_word(d, PCI_CLASS_DEVICE)), | |
251 | lookup_device_full(d->vendid, d->devid)); | |
252 | if (c = get_conf_byte(d, PCI_REVISION_ID)) | |
253 | printf(" (rev %02x)", c); | |
254 | if (verbose && (c = get_conf_byte(d, PCI_CLASS_PROG))) | |
255 | printf(" (prog-if %02x)", c); | |
256 | putchar('\n'); | |
257 | } | |
258 | ||
259 | static void | |
260 | show_bases(struct device *d, int cnt) | |
261 | { | |
262 | word cmd = get_conf_word(d, PCI_COMMAND); | |
263 | int i; | |
264 | ||
265 | for(i=0; i<6; i++) | |
266 | { | |
267 | unsigned long pos; | |
268 | unsigned int flg = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i); | |
269 | if (buscentric_view) | |
270 | pos = flg; | |
271 | else | |
272 | pos = d->kernel_base_addr[i]; | |
273 | if (!pos || pos == 0xffffffff) | |
274 | continue; | |
98e39e09 | 275 | if (flg & PCI_BASE_ADDRESS_SPACE_IO) |
f17b962b MM |
276 | { |
277 | if (cmd & PCI_COMMAND_IO) | |
a3690506 MM |
278 | { |
279 | if (verbose > 1) | |
280 | printf("\tRegion %d: ", i); | |
281 | else | |
282 | putchar('\t'); | |
283 | printf("I/O ports at %04lx\n", pos & PCI_BASE_ADDRESS_IO_MASK); | |
284 | } | |
f17b962b MM |
285 | } |
286 | else if (cmd & PCI_COMMAND_MEMORY) | |
98e39e09 MM |
287 | { |
288 | int t = flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK; | |
a3690506 MM |
289 | if (verbose > 1) |
290 | printf("\tRegion %d: ", i); | |
291 | else | |
292 | putchar('\t'); | |
98e39e09 MM |
293 | printf("Memory at "); |
294 | if (t == PCI_BASE_ADDRESS_MEM_TYPE_64) | |
295 | { | |
296 | if (i < cnt - 1) | |
297 | { | |
298 | i++; | |
299 | if (!buscentric_view) | |
300 | printf("%08x", get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i)); | |
301 | } | |
302 | else | |
303 | printf("????????"); | |
304 | } | |
f17b962b | 305 | printf("%08lx (%s, %sprefetchable)\n", |
98e39e09 MM |
306 | pos & PCI_BASE_ADDRESS_MEM_MASK, |
307 | (t == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32-bit" : | |
308 | (t == PCI_BASE_ADDRESS_MEM_TYPE_64) ? "64-bit" : | |
309 | (t == PCI_BASE_ADDRESS_MEM_TYPE_1M) ? "low-1M 32-bit" : "???", | |
f17b962b | 310 | (flg & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-"); |
98e39e09 MM |
311 | } |
312 | } | |
313 | } | |
314 | ||
315 | static void | |
316 | show_htype0(struct device *d) | |
317 | { | |
b2c9b373 | 318 | unsigned long rom = buscentric_view ? get_conf_long(d, PCI_ROM_ADDRESS) : d->kernel_rom_base_addr; |
98e39e09 MM |
319 | |
320 | show_bases(d, 6); | |
321 | ||
322 | if (rom & 1) | |
b2c9b373 MM |
323 | printf("\tExpansion ROM at %08lx%s\n", rom & PCI_ROM_ADDRESS_MASK, |
324 | (rom & PCI_ROM_ADDRESS_ENABLE) ? "" : " [disabled]"); | |
98e39e09 MM |
325 | } |
326 | ||
327 | static void | |
328 | show_htype1(struct device *d) | |
329 | { | |
330 | u32 io_base = get_conf_byte(d, PCI_IO_BASE); | |
331 | u32 io_limit = get_conf_byte(d, PCI_IO_LIMIT); | |
332 | u32 io_type = io_base & PCI_IO_RANGE_TYPE_MASK; | |
333 | u32 mem_base = get_conf_word(d, PCI_MEMORY_BASE); | |
334 | u32 mem_limit = get_conf_word(d, PCI_MEMORY_LIMIT); | |
335 | u32 mem_type = mem_base & PCI_MEMORY_RANGE_TYPE_MASK; | |
336 | u32 pref_base = get_conf_word(d, PCI_PREF_MEMORY_BASE); | |
337 | u32 pref_limit = get_conf_word(d, PCI_PREF_MEMORY_LIMIT); | |
338 | u32 pref_type = pref_base & PCI_PREF_RANGE_TYPE_MASK; | |
b2c9b373 | 339 | unsigned long rom = buscentric_view ? get_conf_long(d, PCI_ROM_ADDRESS) : d->kernel_rom_base_addr; |
98e39e09 MM |
340 | word brc = get_conf_word(d, PCI_BRIDGE_CONTROL); |
341 | ||
342 | show_bases(d, 2); | |
343 | printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n", | |
344 | get_conf_byte(d, PCI_PRIMARY_BUS), | |
345 | get_conf_byte(d, PCI_SECONDARY_BUS), | |
346 | get_conf_byte(d, PCI_SUBORDINATE_BUS), | |
347 | get_conf_byte(d, PCI_SEC_LATENCY_TIMER)); | |
348 | ||
349 | if (io_type != (io_limit & PCI_IO_RANGE_TYPE_MASK) || | |
350 | (io_type != PCI_IO_RANGE_TYPE_16 && io_type != PCI_IO_RANGE_TYPE_32)) | |
351 | printf("\t!!! Unknown I/O range types %x/%x\n", io_base, io_limit); | |
352 | else | |
353 | { | |
354 | io_base = (io_base & PCI_IO_RANGE_MASK) << 8; | |
355 | io_limit = (io_limit & PCI_IO_RANGE_MASK) << 8; | |
356 | if (io_type == PCI_IO_RANGE_TYPE_32) | |
357 | { | |
358 | io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16); | |
359 | io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16); | |
360 | } | |
361 | if (io_base) | |
362 | printf("\tI/O behind bridge: %08x-%08x\n", io_base, io_limit+0xfff); | |
363 | } | |
364 | ||
365 | if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) || | |
366 | mem_type) | |
367 | printf("\t!!! Unknown memory range types %x/%x\n", mem_base, mem_limit); | |
368 | else if (mem_base) | |
369 | { | |
370 | mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16; | |
371 | mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16; | |
372 | printf("\tMemory behind bridge: %08x-%08x\n", mem_base, mem_limit + 0xfffff); | |
373 | } | |
374 | ||
375 | if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) || | |
376 | (pref_type != PCI_PREF_RANGE_TYPE_32 && pref_type != PCI_PREF_RANGE_TYPE_64)) | |
377 | printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base, pref_limit); | |
378 | else if (pref_base) | |
379 | { | |
380 | pref_base = (pref_base & PCI_PREF_RANGE_MASK) << 16; | |
381 | pref_limit = (pref_limit & PCI_PREF_RANGE_MASK) << 16; | |
382 | if (pref_type == PCI_PREF_RANGE_TYPE_32) | |
383 | printf("\tPrefetchable memory behind bridge: %08x-%08x\n", pref_base, pref_limit); | |
384 | else | |
385 | printf("\tPrefetchable memory behind bridge: %08x%08x-%08x%08x\n", | |
386 | get_conf_long(d, PCI_PREF_BASE_UPPER32), | |
387 | pref_base, | |
388 | get_conf_long(d, PCI_PREF_LIMIT_UPPER32), | |
389 | pref_limit); | |
390 | } | |
391 | ||
392 | if (get_conf_word(d, PCI_SEC_STATUS) & PCI_STATUS_SIG_SYSTEM_ERROR) | |
393 | printf("\tSecondary status: SERR\n"); | |
394 | ||
395 | if (rom & 1) | |
b2c9b373 MM |
396 | printf("\tExpansion ROM at %08lx%s\n", rom & PCI_ROM_ADDRESS_MASK, |
397 | (rom & PCI_ROM_ADDRESS_ENABLE) ? "" : " [disabled]"); | |
98e39e09 MM |
398 | |
399 | if (verbose > 1) | |
400 | printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c MAbort%c >Reset%c FastB2B%c\n", | |
401 | (brc & PCI_BRIDGE_CTL_PARITY) ? '+' : '-', | |
402 | (brc & PCI_BRIDGE_CTL_SERR) ? '+' : '-', | |
403 | (brc & PCI_BRIDGE_CTL_NO_ISA) ? '+' : '-', | |
404 | (brc & PCI_BRIDGE_CTL_VGA) ? '+' : '-', | |
405 | (brc & PCI_BRIDGE_CTL_MASTER_ABORT) ? '+' : '-', | |
406 | (brc & PCI_BRIDGE_CTL_BUS_RESET) ? '+' : '-', | |
407 | (brc & PCI_BRIDGE_CTL_FAST_BACK) ? '+' : '-'); | |
408 | } | |
409 | ||
2f48f637 MM |
410 | static void |
411 | show_htype2(struct device *d) | |
412 | { | |
413 | } | |
414 | ||
98e39e09 MM |
415 | static void |
416 | show_verbose(struct device *d) | |
417 | { | |
418 | word status = get_conf_word(d, PCI_STATUS); | |
419 | word cmd = get_conf_word(d, PCI_COMMAND); | |
420 | word class = get_conf_word(d, PCI_CLASS_DEVICE); | |
421 | byte bist = get_conf_byte(d, PCI_BIST); | |
422 | byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f; | |
423 | byte latency = get_conf_byte(d, PCI_LATENCY_TIMER); | |
424 | byte cache_line = get_conf_byte(d, PCI_CACHE_LINE_SIZE); | |
425 | byte max_lat, min_gnt; | |
426 | byte int_pin = get_conf_byte(d, PCI_INTERRUPT_PIN); | |
427 | byte int_line = get_conf_byte(d, PCI_INTERRUPT_LINE); | |
2f48f637 | 428 | unsigned int irq; |
98e39e09 MM |
429 | word subsys_v, subsys_d; |
430 | ||
431 | show_terse(d); | |
432 | ||
98e39e09 MM |
433 | switch (htype) |
434 | { | |
2f48f637 MM |
435 | case PCI_HEADER_TYPE_NORMAL: |
436 | if (class == PCI_CLASS_BRIDGE_PCI) | |
437 | { | |
438 | badhdr: | |
439 | printf("\t!!! Header type %02x doesn't match class code %04x\n", htype, class); | |
440 | return; | |
441 | } | |
98e39e09 MM |
442 | max_lat = get_conf_byte(d, PCI_MAX_LAT); |
443 | min_gnt = get_conf_byte(d, PCI_MIN_GNT); | |
444 | subsys_v = get_conf_word(d, PCI_SUBSYSTEM_VENDOR_ID); | |
445 | subsys_d = get_conf_word(d, PCI_SUBSYSTEM_ID); | |
446 | break; | |
2f48f637 MM |
447 | case PCI_HEADER_TYPE_BRIDGE: |
448 | if (class != PCI_CLASS_BRIDGE_PCI) | |
449 | goto badhdr; | |
450 | irq = int_line = int_pin = min_gnt = max_lat = 0; | |
451 | subsys_v = subsys_d = 0; | |
452 | break; | |
453 | case PCI_HEADER_TYPE_CARDBUS: | |
454 | if ((class >> 8) != PCI_BASE_CLASS_BRIDGE) | |
455 | goto badhdr; | |
98e39e09 MM |
456 | irq = int_line = int_pin = min_gnt = max_lat = 0; |
457 | subsys_v = subsys_d = 0; | |
458 | break; | |
459 | default: | |
460 | printf("\t!!! Unknown header type %02x\n", htype); | |
461 | return; | |
462 | } | |
463 | ||
464 | if (buscentric_view) | |
465 | irq = int_line; | |
466 | else | |
467 | irq = d->kernel_irq; | |
468 | ||
469 | if (verbose > 1) | |
470 | { | |
471 | if (subsys_v) | |
472 | printf("\tSubsystem ID: %04x:%04x\n", subsys_v, subsys_d); | |
473 | printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c\n", | |
474 | (cmd & PCI_COMMAND_IO) ? '+' : '-', | |
475 | (cmd & PCI_COMMAND_MEMORY) ? '+' : '-', | |
476 | (cmd & PCI_COMMAND_MASTER) ? '+' : '-', | |
477 | (cmd & PCI_COMMAND_SPECIAL) ? '+' : '-', | |
478 | (cmd & PCI_COMMAND_INVALIDATE) ? '+' : '-', | |
479 | (cmd & PCI_COMMAND_VGA_PALETTE) ? '+' : '-', | |
480 | (cmd & PCI_COMMAND_PARITY) ? '+' : '-', | |
481 | (cmd & PCI_COMMAND_WAIT) ? '+' : '-', | |
482 | (cmd & PCI_COMMAND_SERR) ? '+' : '-', | |
483 | (cmd & PCI_COMMAND_FAST_BACK) ? '+' : '-'); | |
484 | printf("\tStatus: 66Mhz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c\n", | |
485 | (status & PCI_STATUS_66MHZ) ? '+' : '-', | |
486 | (status & PCI_STATUS_UDF) ? '+' : '-', | |
487 | (status & PCI_STATUS_FAST_BACK) ? '+' : '-', | |
488 | (status & PCI_STATUS_PARITY) ? '+' : '-', | |
489 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" : | |
490 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" : | |
491 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??", | |
492 | (status & PCI_STATUS_SIG_TARGET_ABORT) ? '+' : '-', | |
493 | (status & PCI_STATUS_REC_TARGET_ABORT) ? '+' : '-', | |
494 | (status & PCI_STATUS_REC_MASTER_ABORT) ? '+' : '-', | |
495 | (status & PCI_STATUS_SIG_SYSTEM_ERROR) ? '+' : '-', | |
496 | (status & PCI_STATUS_DETECTED_PARITY) ? '+' : '-'); | |
497 | if (cmd & PCI_COMMAND_MASTER) | |
498 | { | |
499 | printf("\tLatency: "); | |
500 | if (min_gnt) | |
501 | printf("%d min, ", min_gnt); | |
502 | if (max_lat) | |
503 | printf("%d max, ", max_lat); | |
504 | printf("%d set", latency); | |
505 | if (cache_line) | |
506 | printf(", cache line size %02x", cache_line); | |
507 | putchar('\n'); | |
508 | } | |
509 | if (int_pin) | |
f17b962b | 510 | printf("\tInterrupt: pin %c routed to IRQ " IRQ_FORMAT "\n", 'A' + int_pin - 1, irq); |
98e39e09 MM |
511 | } |
512 | else | |
513 | { | |
514 | printf("\tFlags: "); | |
515 | if (cmd & PCI_COMMAND_MASTER) | |
516 | printf("bus master, "); | |
517 | if (cmd & PCI_COMMAND_VGA_PALETTE) | |
518 | printf("VGA palette snoop, "); | |
519 | if (cmd & PCI_COMMAND_WAIT) | |
520 | printf("stepping, "); | |
521 | if (cmd & PCI_COMMAND_FAST_BACK) | |
522 | printf("fast Back2Back, "); | |
523 | if (status & PCI_STATUS_66MHZ) | |
524 | printf("66Mhz, "); | |
525 | if (status & PCI_STATUS_UDF) | |
526 | printf("user-definable features, "); | |
527 | printf("%s devsel", | |
528 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_SLOW) ? "slow" : | |
529 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_MEDIUM) ? "medium" : | |
530 | ((status & PCI_STATUS_DEVSEL_MASK) == PCI_STATUS_DEVSEL_FAST) ? "fast" : "??"); | |
531 | if (cmd & PCI_COMMAND_MASTER) | |
532 | printf(", latency %d", latency); | |
533 | if (int_pin) | |
534 | if (d->kernel_irq) | |
f17b962b | 535 | printf(", IRQ " IRQ_FORMAT, irq); |
98e39e09 MM |
536 | else |
537 | printf(", IRQ ?"); | |
538 | putchar('\n'); | |
539 | } | |
540 | ||
541 | if (bist & PCI_BIST_CAPABLE) | |
542 | { | |
543 | if (bist & PCI_BIST_START) | |
544 | printf("\tBIST is running\n"); | |
545 | else | |
546 | printf("\tBIST result: %02x\n", bist & PCI_BIST_CODE_MASK); | |
547 | } | |
548 | ||
549 | switch (htype) | |
550 | { | |
2f48f637 | 551 | case PCI_HEADER_TYPE_NORMAL: |
98e39e09 MM |
552 | show_htype0(d); |
553 | break; | |
2f48f637 | 554 | case PCI_HEADER_TYPE_BRIDGE: |
98e39e09 MM |
555 | show_htype1(d); |
556 | break; | |
2f48f637 MM |
557 | case PCI_HEADER_TYPE_CARDBUS: |
558 | show_htype2(d); | |
559 | break; | |
98e39e09 MM |
560 | } |
561 | } | |
562 | ||
563 | static void | |
564 | show_hex_dump(struct device *d) | |
565 | { | |
566 | int i; | |
567 | int limit = (show_hex > 1) ? 256 : 64; | |
568 | ||
569 | for(i=0; i<limit; i++) | |
570 | { | |
571 | if (! (i & 15)) | |
572 | printf("%02x:", i); | |
573 | printf(" %02x", get_conf_byte(d, i)); | |
574 | if ((i & 15) == 15) | |
575 | putchar('\n'); | |
576 | } | |
577 | } | |
578 | ||
0a33d0ec MM |
579 | static void |
580 | show_machine(struct device *d) | |
581 | { | |
582 | int c; | |
583 | ||
584 | if (verbose) | |
585 | { | |
586 | printf("Device:\t%02x:%02x.%x\n", d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); | |
587 | printf("Class:\t%s\n", lookup_class(get_conf_word(d, PCI_CLASS_DEVICE))); | |
588 | printf("Vendor:\t%s\n", lookup_vendor(d->vendid)); | |
589 | printf("Device:\t%s\n", lookup_device(d->vendid, d->devid)); | |
590 | if (c = get_conf_byte(d, PCI_REVISION_ID)) | |
591 | printf("Rev:\t%02x\n", c); | |
592 | if (c = get_conf_byte(d, PCI_CLASS_PROG)) | |
593 | printf("ProgIf:\t%02x\n", c); | |
594 | } | |
595 | else | |
596 | { | |
597 | printf("%02x:%02x.%x ", d->bus, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); | |
598 | printf("\"%s\" \"%s\" \"%s\"", | |
599 | lookup_class(get_conf_word(d, PCI_CLASS_DEVICE)), | |
600 | lookup_vendor(d->vendid), | |
601 | lookup_device(d->vendid, d->devid)); | |
602 | if (c = get_conf_byte(d, PCI_REVISION_ID)) | |
603 | printf(" -r%02x", c); | |
604 | if (c = get_conf_byte(d, PCI_CLASS_PROG)) | |
605 | printf(" -p%02x", c); | |
606 | putchar('\n'); | |
607 | } | |
608 | } | |
609 | ||
98e39e09 MM |
610 | static void |
611 | show(void) | |
612 | { | |
613 | struct device *d; | |
614 | ||
615 | for(d=first_dev; d; d=d->next) | |
616 | { | |
0a33d0ec MM |
617 | if (machine_readable) |
618 | show_machine(d); | |
619 | else if (verbose) | |
98e39e09 MM |
620 | show_verbose(d); |
621 | else | |
622 | show_terse(d); | |
623 | if (show_hex) | |
624 | show_hex_dump(d); | |
625 | if (verbose || show_hex) | |
626 | putchar('\n'); | |
627 | } | |
628 | } | |
629 | ||
6d0dc0fd MM |
630 | /* Tree output */ |
631 | ||
632 | struct bridge { | |
633 | struct bridge *chain; /* Single-linked list of bridges */ | |
634 | struct bridge *next, *child; /* Tree of bridges */ | |
635 | struct bus *first_bus; /* List of busses connected to this bridge */ | |
636 | unsigned int primary, secondary, subordinate; /* Bus numbers */ | |
637 | struct device *br_dev; | |
638 | }; | |
639 | ||
640 | struct bus { | |
641 | unsigned int number; | |
642 | struct bus *sibling; | |
643 | struct device *first_dev, **last_dev; | |
644 | }; | |
645 | ||
646 | static struct bridge host_bridge = { NULL, NULL, NULL, NULL, ~0, 0, ~0, NULL }; | |
647 | ||
648 | static struct bus * | |
649 | find_bus(struct bridge *b, unsigned int n) | |
650 | { | |
651 | struct bus *bus; | |
652 | ||
653 | for(bus=b->first_bus; bus; bus=bus->sibling) | |
654 | if (bus->number == n) | |
655 | break; | |
656 | return bus; | |
657 | } | |
658 | ||
659 | static struct bus * | |
660 | new_bus(struct bridge *b, unsigned int n) | |
661 | { | |
662 | struct bus *bus = xmalloc(sizeof(struct bus)); | |
663 | ||
664 | bus = xmalloc(sizeof(struct bus)); | |
665 | bus->number = n; | |
666 | bus->sibling = b->first_bus; | |
667 | bus->first_dev = NULL; | |
668 | bus->last_dev = &bus->first_dev; | |
669 | b->first_bus = bus; | |
670 | return bus; | |
671 | } | |
672 | ||
673 | static void | |
674 | insert_dev(struct device *d, struct bridge *b) | |
675 | { | |
676 | struct bus *bus; | |
677 | ||
678 | if (! (bus = find_bus(b, d->bus))) | |
679 | { | |
680 | struct bridge *c; | |
681 | for(c=b->child; c; c=c->next) | |
682 | if (c->secondary <= d->bus && d->bus <= c->subordinate) | |
683 | return insert_dev(d, c); | |
684 | bus = new_bus(b, d->bus); | |
685 | } | |
686 | /* Simple insertion at the end _does_ guarantee the correct order as the | |
687 | * original device list was sorted by (bus, devfn) lexicographically | |
688 | * and all devices on the new list have the same bus number. | |
689 | */ | |
690 | *bus->last_dev = d; | |
691 | bus->last_dev = &d->next; | |
692 | d->next = NULL; | |
693 | } | |
694 | ||
695 | static void | |
696 | grow_tree(void) | |
697 | { | |
698 | struct device *d, *d2; | |
008407bd | 699 | struct bridge **last_br, *b; |
6d0dc0fd MM |
700 | |
701 | /* Build list of bridges */ | |
702 | ||
008407bd | 703 | last_br = &host_bridge.chain; |
6d0dc0fd MM |
704 | for(d=first_dev; d; d=d->next) |
705 | { | |
706 | word class = get_conf_word(d, PCI_CLASS_DEVICE); | |
707 | if (class == PCI_CLASS_BRIDGE_PCI && (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f) == 1) | |
708 | { | |
709 | b = xmalloc(sizeof(struct bridge)); | |
710 | b->primary = get_conf_byte(d, PCI_PRIMARY_BUS); | |
711 | b->secondary = get_conf_byte(d, PCI_SECONDARY_BUS); | |
712 | b->subordinate = get_conf_byte(d, PCI_SUBORDINATE_BUS); | |
008407bd MM |
713 | *last_br = b; |
714 | last_br = &b->chain; | |
6d0dc0fd MM |
715 | b->next = b->child = NULL; |
716 | b->first_bus = NULL; | |
717 | b->br_dev = d; | |
718 | } | |
719 | } | |
008407bd | 720 | *last_br = NULL; |
6d0dc0fd MM |
721 | |
722 | /* Create a bridge tree */ | |
723 | ||
008407bd | 724 | for(b=&host_bridge; b; b=b->chain) |
6d0dc0fd MM |
725 | { |
726 | struct bridge *c, *best; | |
727 | best = NULL; | |
008407bd | 728 | for(c=&host_bridge; c; c=c->chain) |
6d0dc0fd MM |
729 | if (c != b && b->primary >= c->secondary && b->primary <= c->subordinate && |
730 | (!best || best->subordinate - best->primary > c->subordinate - c->primary)) | |
731 | best = c; | |
732 | if (best) | |
733 | { | |
734 | b->next = best->child; | |
735 | best->child = b; | |
736 | } | |
737 | } | |
738 | ||
739 | /* Insert secondary bus for each bridge */ | |
740 | ||
008407bd | 741 | for(b=&host_bridge; b; b=b->chain) |
6d0dc0fd MM |
742 | if (!find_bus(b, b->secondary)) |
743 | new_bus(b, b->secondary); | |
744 | ||
745 | /* Create bus structs and link devices */ | |
746 | ||
747 | for(d=first_dev; d;) | |
748 | { | |
749 | d2 = d->next; | |
750 | insert_dev(d, &host_bridge); | |
751 | d = d2; | |
752 | } | |
753 | } | |
754 | ||
755 | static void | |
756 | print_it(byte *line, byte *p) | |
757 | { | |
758 | *p++ = '\n'; | |
759 | *p = 0; | |
760 | fputs(line, stdout); | |
761 | for(p=line; *p; p++) | |
008407bd | 762 | if (*p == '+' || *p == '|') |
6d0dc0fd MM |
763 | *p = '|'; |
764 | else | |
765 | *p = ' '; | |
766 | } | |
767 | ||
768 | static void show_tree_bridge(struct bridge *, byte *, byte *); | |
769 | ||
770 | static void | |
771 | show_tree_dev(struct device *d, byte *line, byte *p) | |
772 | { | |
773 | struct bridge *b; | |
774 | ||
775 | p += sprintf(p, "%02x.%x", PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); | |
776 | for(b=&host_bridge; b; b=b->chain) | |
777 | if (b->br_dev == d) | |
778 | { | |
008407bd MM |
779 | if (b->secondary == b->subordinate) |
780 | p += sprintf(p, "-[%02x]-", b->secondary); | |
781 | else | |
782 | p += sprintf(p, "-[%02x-%02x]-", b->secondary, b->subordinate); | |
6d0dc0fd MM |
783 | show_tree_bridge(b, line, p); |
784 | return; | |
785 | } | |
18928b91 MM |
786 | if (verbose) |
787 | p += sprintf(p, " %s", lookup_device_full(d->vendid, d->devid)); | |
6d0dc0fd MM |
788 | print_it(line, p); |
789 | } | |
790 | ||
791 | static void | |
792 | show_tree_bus(struct bus *b, byte *line, byte *p) | |
793 | { | |
794 | if (!b->first_dev) | |
795 | print_it(line, p); | |
796 | else if (!b->first_dev->next) | |
797 | { | |
798 | *p++ = '-'; | |
799 | *p++ = '-'; | |
800 | show_tree_dev(b->first_dev, line, p); | |
801 | } | |
802 | else | |
803 | { | |
804 | struct device *d = b->first_dev; | |
805 | while (d->next) | |
806 | { | |
807 | p[0] = '+'; | |
808 | p[1] = '-'; | |
809 | show_tree_dev(d, line, p+2); | |
810 | d = d->next; | |
811 | } | |
812 | p[0] = '\\'; | |
813 | p[1] = '-'; | |
814 | show_tree_dev(d, line, p+2); | |
815 | } | |
816 | } | |
817 | ||
818 | static void | |
819 | show_tree_bridge(struct bridge *b, byte *line, byte *p) | |
820 | { | |
821 | *p++ = '-'; | |
822 | if (!b->first_bus->sibling) | |
823 | { | |
824 | if (b == &host_bridge) | |
825 | p += sprintf(p, "[%02x]-", b->first_bus->number); | |
826 | show_tree_bus(b->first_bus, line, p); | |
827 | } | |
828 | else | |
829 | { | |
830 | struct bus *u = b->first_bus; | |
831 | byte *k; | |
832 | ||
833 | while (u->sibling) | |
834 | { | |
835 | k = p + sprintf(p, "+-[%02x]-", u->number); | |
836 | show_tree_bus(u, line, k); | |
837 | u = u->sibling; | |
838 | } | |
839 | k = p + sprintf(p, "\\-[%02x]-", u->number); | |
840 | show_tree_bus(u, line, k); | |
841 | } | |
842 | } | |
843 | ||
844 | static void | |
845 | show_forest(void) | |
846 | { | |
847 | char line[256]; | |
848 | ||
849 | grow_tree(); | |
850 | show_tree_bridge(&host_bridge, line, line); | |
851 | } | |
852 | ||
98e39e09 MM |
853 | /* Main */ |
854 | ||
855 | int | |
856 | main(int argc, char **argv) | |
857 | { | |
858 | int i; | |
e4842ff3 | 859 | char *msg; |
98e39e09 | 860 | |
496d4021 MM |
861 | if (argc == 2 && !strcmp(argv[1], "--version")) |
862 | { | |
863 | puts("lspci version " PCIUTILS_VERSION); | |
864 | return 0; | |
865 | } | |
e4842ff3 | 866 | filter_init(&filter); |
98e39e09 MM |
867 | while ((i = getopt(argc, argv, options)) != -1) |
868 | switch (i) | |
869 | { | |
870 | case 'n': | |
871 | show_numeric_ids = 1; | |
872 | break; | |
873 | case 'v': | |
874 | verbose++; | |
875 | break; | |
876 | case 'b': | |
877 | buscentric_view = 1; | |
878 | break; | |
e4842ff3 MM |
879 | case 's': |
880 | if (msg = filter_parse_slot(&filter, optarg)) | |
881 | { | |
882 | fprintf(stderr, "lspci: -f: %s\n", msg); | |
883 | return 1; | |
884 | } | |
98e39e09 | 885 | break; |
e4842ff3 MM |
886 | case 'd': |
887 | if (msg = filter_parse_id(&filter, optarg)) | |
888 | { | |
889 | fprintf(stderr, "lspci: -d: %s\n", msg); | |
890 | return 1; | |
891 | } | |
98e39e09 MM |
892 | break; |
893 | case 'x': | |
894 | show_hex++; | |
895 | break; | |
6d0dc0fd MM |
896 | case 't': |
897 | show_tree++; | |
898 | break; | |
18928b91 MM |
899 | case 'i': |
900 | pci_ids = optarg; | |
901 | break; | |
902 | case 'p': | |
903 | pci_dir = optarg; | |
904 | break; | |
0a33d0ec MM |
905 | case 'm': |
906 | machine_readable++; | |
907 | break; | |
98e39e09 MM |
908 | default: |
909 | bad: | |
910 | fprintf(stderr, help_msg); | |
911 | return 1; | |
912 | } | |
913 | if (optind < argc) | |
914 | goto bad; | |
915 | ||
916 | scan_proc(); | |
917 | sort_them(); | |
6d0dc0fd MM |
918 | if (show_tree) |
919 | show_forest(); | |
920 | else | |
921 | show(); | |
98e39e09 MM |
922 | |
923 | return 0; | |
924 | } |