2 * The PCI Utilities -- List All PCI Devices
4 * Copyright (c) 1997--2020 Martin Mares <mj@ucw.cz>
6 * Can be freely distributed and used under the terms of the GNU GPL.
18 int verbose
; /* Show detailed information */
19 static int opt_hex
; /* Show contents of config space as hexadecimal numbers */
20 struct pci_filter filter
; /* Device filter */
21 static int opt_filter
; /* Any filter was given */
22 static int opt_tree
; /* Show bus tree */
23 static int opt_path
; /* Show bridge path */
24 static int opt_machine
; /* Generate machine-readable output */
25 static int opt_map_mode
; /* Bus mapping mode enabled */
26 static int opt_domains
; /* Show domain numbers (0=disabled, 1=auto-detected, 2=requested) */
27 static int opt_kernel
; /* Show kernel drivers */
28 static int opt_query_dns
; /* Query the DNS (0=disabled, 1=enabled, 2=refresh cache) */
29 static int opt_query_all
; /* Query the DNS for all entries */
30 char *opt_pcimap
; /* Override path to Linux modules.pcimap */
32 const char program_name
[] = "lspci";
34 static char options
[] = "nvbxs:d:tPi:mgp:qkMDQ" GENERIC_OPTIONS
;
36 static char help_msg
[] =
37 "Usage: lspci [<switches>]\n"
39 "Basic display modes:\n"
40 "-mm\t\tProduce machine-readable output (single -m for an obsolete format)\n"
41 "-t\t\tShow bus tree\n"
44 "-v\t\tBe verbose (-vv or -vvv for higher verbosity)\n"
46 "-k\t\tShow kernel drivers handling each device\n"
48 "-x\t\tShow hex-dump of the standard part of the config space\n"
49 "-xxx\t\tShow hex-dump of the whole config space (dangerous; root only)\n"
50 "-xxxx\t\tShow hex-dump of the 4096-byte extended config space (root only)\n"
51 "-b\t\tBus-centric view (addresses and IRQ's as seen by the bus)\n"
52 "-D\t\tAlways show domain numbers\n"
53 "-P\t\tDisplay bridge path in addition to bus and device number\n"
54 "-PP\t\tDisplay bus path in addition to bus and device number\n"
56 "Resolving of device ID's to names:\n"
57 "-n\t\tShow numeric ID's\n"
58 "-nn\t\tShow both textual and numeric ID's (names & numbers)\n"
60 "-q\t\tQuery the PCI ID database for unknown ID's via DNS\n"
61 "-qq\t\tAs above, but re-query locally cached entries\n"
62 "-Q\t\tQuery the PCI ID database for all ID's via DNS\n"
65 "Selection of devices:\n"
66 "-s [[[[<domain>]:]<bus>]:][<slot>][.[<func>]]\tShow only devices in selected slots\n"
67 "-d [<vendor>]:[<device>][:<class>]\t\tShow only devices with specified ID's\n"
70 "-i <file>\tUse specified ID database instead of %s\n"
72 "-p <file>\tLook up kernel modules in a given file instead of default modules.pcimap\n"
74 "-M\t\tEnable `bus mapping' mode (dangerous; root only)\n"
76 "PCI access options:\n"
80 /*** Our view of the PCI bus ***/
82 struct pci_access
*pacc
;
83 struct device
*first_dev
;
84 static int seen_errors
;
85 static int need_topology
;
88 config_fetch(struct device
*d
, unsigned int pos
, unsigned int len
)
90 unsigned int end
= pos
+len
;
93 while (pos
< d
->config_bufsize
&& len
&& d
->present
[pos
])
95 while (pos
+len
<= d
->config_bufsize
&& len
&& d
->present
[pos
+len
-1])
100 if (end
> d
->config_bufsize
)
102 int orig_size
= d
->config_bufsize
;
103 while (end
> d
->config_bufsize
)
104 d
->config_bufsize
*= 2;
105 d
->config
= xrealloc(d
->config
, d
->config_bufsize
);
106 d
->present
= xrealloc(d
->present
, d
->config_bufsize
);
107 memset(d
->present
+ orig_size
, 0, d
->config_bufsize
- orig_size
);
109 result
= pci_read_block(d
->dev
, pos
, d
->config
+ pos
, len
);
111 memset(d
->present
+ pos
, 1, len
);
116 scan_device(struct pci_dev
*p
)
120 if (p
->domain
&& !opt_domains
)
122 if (!pci_filter_match(&filter
, p
) && !need_topology
)
124 d
= xmalloc(sizeof(struct device
));
125 memset(d
, 0, sizeof(*d
));
127 d
->config_cached
= d
->config_bufsize
= 64;
128 d
->config
= xmalloc(64);
129 d
->present
= xmalloc(64);
130 memset(d
->present
, 1, 64);
131 if (!pci_read_block(p
, 0, d
->config
, 64))
133 fprintf(stderr
, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
134 p
->domain
, p
->bus
, p
->dev
, p
->func
);
138 if ((d
->config
[PCI_HEADER_TYPE
] & 0x7f) == PCI_HEADER_TYPE_CARDBUS
)
140 /* For cardbus bridges, we need to fetch 64 bytes more to get the
141 * full standard header... */
142 if (config_fetch(d
, 64, 64))
143 d
->config_cached
+= 64;
145 pci_setup_cache(p
, d
->config
, d
->config_cached
);
146 pci_fill_info(p
, PCI_FILL_IDENT
| PCI_FILL_CLASS
| PCI_FILL_CLASS_EXT
| PCI_FILL_SUBSYS
| (need_topology
? PCI_FILL_PARENT
: 0));
157 for (p
=pacc
->devices
; p
; p
=p
->next
)
158 if (d
= scan_device(p
))
165 /*** Config space accesses ***/
168 check_conf_range(struct device
*d
, unsigned int pos
, unsigned int len
)
171 if (!d
->present
[pos
])
172 die("Internal bug: Accessing non-read configuration byte at position %x", pos
);
178 get_conf_byte(struct device
*d
, unsigned int pos
)
180 check_conf_range(d
, pos
, 1);
181 return d
->config
[pos
];
185 get_conf_word(struct device
*d
, unsigned int pos
)
187 check_conf_range(d
, pos
, 2);
188 return d
->config
[pos
] | (d
->config
[pos
+1] << 8);
192 get_conf_long(struct device
*d
, unsigned int pos
)
194 check_conf_range(d
, pos
, 4);
195 return d
->config
[pos
] |
196 (d
->config
[pos
+1] << 8) |
197 (d
->config
[pos
+2] << 16) |
198 (d
->config
[pos
+3] << 24);
204 compare_them(const void *A
, const void *B
)
206 const struct pci_dev
*a
= (*(const struct device
**)A
)->dev
;
207 const struct pci_dev
*b
= (*(const struct device
**)B
)->dev
;
209 if (a
->domain
< b
->domain
)
211 if (a
->domain
> b
->domain
)
221 if (a
->func
< b
->func
)
223 if (a
->func
> b
->func
)
231 struct device
**index
, **h
, **last_dev
;
236 for (d
=first_dev
; d
; d
=d
->next
)
238 h
= index
= alloca(sizeof(struct device
*) * cnt
);
239 for (d
=first_dev
; d
; d
=d
->next
)
241 qsort(index
, cnt
, sizeof(struct device
*), compare_them
);
242 last_dev
= &first_dev
;
247 last_dev
= &(*h
)->next
;
253 /*** Normal output ***/
256 show_slot_path(struct device
*d
)
258 struct pci_dev
*p
= d
->dev
;
262 struct bus
*bus
= d
->parent_bus
;
263 struct bridge
*br
= bus
->parent_bridge
;
265 if (br
&& br
->br_dev
)
267 show_slot_path(br
->br_dev
);
269 printf("/%02x:%02x.%d", p
->bus
, p
->dev
, p
->func
);
271 printf("/%02x.%d", p
->dev
, p
->func
);
275 printf("%02x:%02x.%d", p
->bus
, p
->dev
, p
->func
);
279 show_slot_name(struct device
*d
)
281 struct pci_dev
*p
= d
->dev
;
283 if (!opt_machine
? opt_domains
: (p
->domain
|| opt_domains
>= 2))
284 printf("%04x:", p
->domain
);
289 show_terse(struct device
*d
)
292 struct pci_dev
*p
= d
->dev
;
293 char classbuf
[128], devbuf
[128];
297 pci_lookup_name(pacc
, classbuf
, sizeof(classbuf
),
300 pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
),
301 PCI_LOOKUP_VENDOR
| PCI_LOOKUP_DEVICE
,
302 p
->vendor_id
, p
->device_id
));
303 if ((p
->known_fields
& PCI_FILL_CLASS_EXT
) && p
->rev_id
)
304 printf(" (rev %02x)", p
->rev_id
);
308 c
= (p
->known_fields
& PCI_FILL_CLASS_EXT
) ? p
->prog_if
: 0;
309 x
= pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
),
310 PCI_LOOKUP_PROGIF
| PCI_LOOKUP_NO_NUMBERS
,
314 printf(" (prog-if %02x", c
);
322 if (verbose
|| opt_kernel
)
326 pci_fill_info(p
, PCI_FILL_LABEL
);
329 printf("\tDeviceName: %s", p
->label
);
330 if ((p
->known_fields
& PCI_FILL_SUBSYS
) &&
331 p
->subsys_vendor_id
&& p
->subsys_vendor_id
!= 0xffff)
332 printf("\tSubsystem: %s\n",
333 pci_lookup_name(pacc
, ssnamebuf
, sizeof(ssnamebuf
),
334 PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_VENDOR
| PCI_LOOKUP_DEVICE
,
335 p
->vendor_id
, p
->device_id
, p
->subsys_vendor_id
, p
->subsys_id
));
339 /*** Verbose output ***/
344 static const char suffix
[][2] = { "", "K", "M", "G", "T" };
348 for (i
= 0; i
< (sizeof(suffix
) / sizeof(*suffix
) - 1); i
++) {
353 printf(" [size=%u%s]", (unsigned)x
, suffix
[i
]);
357 show_range(char *prefix
, u64 base
, u64 limit
, int bits
, int disabled
)
359 printf("%s:", prefix
);
360 if (base
<= limit
|| verbose
> 2)
361 printf(" %0*" PCI_U64_FMT_X
"-%0*" PCI_U64_FMT_X
, (bits
+3)/4, base
, (bits
+3)/4, limit
);
362 if (!disabled
&& base
<= limit
)
363 show_size(limit
- base
+ 1);
365 printf(" [disabled]");
366 printf(" [%d-bit]", bits
);
371 show_bases(struct device
*d
, int cnt
)
373 struct pci_dev
*p
= d
->dev
;
374 word cmd
= get_conf_word(d
, PCI_COMMAND
);
378 for (i
=0; i
<cnt
; i
++)
380 pciaddr_t pos
= p
->base_addr
[i
];
381 pciaddr_t len
= (p
->known_fields
& PCI_FILL_SIZES
) ? p
->size
[i
] : 0;
382 pciaddr_t ioflg
= (p
->known_fields
& PCI_FILL_IO_FLAGS
) ? p
->flags
[i
] : 0;
383 u32 flg
= get_conf_long(d
, PCI_BASE_ADDRESS_0
+ 4*i
);
388 if (flg
== 0xffffffff)
390 if (!pos
&& !flg
&& !len
)
394 printf("\tRegion %d: ", i
);
398 /* Read address as seen by the hardware */
399 if (flg
& PCI_BASE_ADDRESS_SPACE_IO
)
400 hw_lower
= flg
& PCI_BASE_ADDRESS_IO_MASK
;
403 hw_lower
= flg
& PCI_BASE_ADDRESS_MEM_MASK
;
404 if ((flg
& PCI_BASE_ADDRESS_MEM_TYPE_MASK
) == PCI_BASE_ADDRESS_MEM_TYPE_64
)
411 hw_upper
= get_conf_long(d
, PCI_BASE_ADDRESS_0
+ 4*i
);
416 /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
417 if (pos
&& !hw_lower
&& !hw_upper
&& !(ioflg
& PCI_IORESOURCE_PCI_EA_BEI
))
423 /* Print base address */
424 if (flg
& PCI_BASE_ADDRESS_SPACE_IO
)
426 pciaddr_t a
= pos
& PCI_BASE_ADDRESS_IO_MASK
;
427 printf("I/O ports at ");
428 if (a
|| (cmd
& PCI_COMMAND_IO
))
429 printf(PCIADDR_PORT_FMT
, a
);
433 printf("<unassigned>");
435 printf(" [virtual]");
436 else if (!(cmd
& PCI_COMMAND_IO
))
437 printf(" [disabled]");
441 int t
= flg
& PCI_BASE_ADDRESS_MEM_TYPE_MASK
;
442 pciaddr_t a
= pos
& PCI_ADDR_MEM_MASK
;
444 printf("Memory at ");
446 printf("<broken-64-bit-slot>");
448 printf(PCIADDR_T_FMT
, a
);
449 else if (hw_lower
|| hw_upper
)
452 printf("<unassigned>");
453 printf(" (%s, %sprefetchable)",
454 (t
== PCI_BASE_ADDRESS_MEM_TYPE_32
) ? "32-bit" :
455 (t
== PCI_BASE_ADDRESS_MEM_TYPE_64
) ? "64-bit" :
456 (t
== PCI_BASE_ADDRESS_MEM_TYPE_1M
) ? "low-1M" : "type 3",
457 (flg
& PCI_BASE_ADDRESS_MEM_PREFETCH
) ? "" : "non-");
459 printf(" [virtual]");
460 else if (!(cmd
& PCI_COMMAND_MEMORY
))
461 printf(" [disabled]");
464 if (ioflg
& PCI_IORESOURCE_PCI_EA_BEI
)
465 printf(" [enhanced]");
473 show_rom(struct device
*d
, int reg
)
475 struct pci_dev
*p
= d
->dev
;
476 pciaddr_t rom
= p
->rom_base_addr
;
477 pciaddr_t len
= (p
->known_fields
& PCI_FILL_SIZES
) ? p
->rom_size
: 0;
478 pciaddr_t ioflg
= (p
->known_fields
& PCI_FILL_IO_FLAGS
) ? p
->rom_flags
: 0;
479 u32 flg
= get_conf_long(d
, reg
);
480 word cmd
= get_conf_word(d
, PCI_COMMAND
);
483 if (!rom
&& !flg
&& !len
)
486 if ((rom
& PCI_ROM_ADDRESS_MASK
) && !(flg
& PCI_ROM_ADDRESS_MASK
) && !(ioflg
& PCI_IORESOURCE_PCI_EA_BEI
))
492 printf("\tExpansion ROM at ");
493 if (rom
& PCI_ROM_ADDRESS_MASK
)
494 printf(PCIADDR_T_FMT
, rom
& PCI_ROM_ADDRESS_MASK
);
495 else if (flg
& PCI_ROM_ADDRESS_MASK
)
498 printf("<unassigned>");
501 printf(" [virtual]");
503 if (!(flg
& PCI_ROM_ADDRESS_ENABLE
))
504 printf(" [disabled]");
505 else if (!virtual && !(cmd
& PCI_COMMAND_MEMORY
))
506 printf(" [disabled by cmd]");
508 if (ioflg
& PCI_IORESOURCE_PCI_EA_BEI
)
509 printf(" [enhanced]");
516 show_htype0(struct device
*d
)
519 show_rom(d
, PCI_ROM_ADDRESS
);
520 show_caps(d
, PCI_CAPABILITY_LIST
);
524 show_htype1(struct device
*d
)
526 struct pci_dev
*p
= d
->dev
;
527 u32 io_base
= get_conf_byte(d
, PCI_IO_BASE
);
528 u32 io_limit
= get_conf_byte(d
, PCI_IO_LIMIT
);
529 u32 io_type
= io_base
& PCI_IO_RANGE_TYPE_MASK
;
530 u32 mem_base
= get_conf_word(d
, PCI_MEMORY_BASE
);
531 u32 mem_limit
= get_conf_word(d
, PCI_MEMORY_LIMIT
);
532 u32 mem_type
= mem_base
& PCI_MEMORY_RANGE_TYPE_MASK
;
533 u32 pref_base
= get_conf_word(d
, PCI_PREF_MEMORY_BASE
);
534 u32 pref_limit
= get_conf_word(d
, PCI_PREF_MEMORY_LIMIT
);
535 u32 pref_type
= pref_base
& PCI_PREF_RANGE_TYPE_MASK
;
536 word sec_stat
= get_conf_word(d
, PCI_SEC_STATUS
);
537 word brc
= get_conf_word(d
, PCI_BRIDGE_CONTROL
);
538 int io_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[0];
539 int mem_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[1];
540 int pref_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[2];
541 int io_bits
, pref_bits
;
544 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
545 get_conf_byte(d
, PCI_PRIMARY_BUS
),
546 get_conf_byte(d
, PCI_SECONDARY_BUS
),
547 get_conf_byte(d
, PCI_SUBORDINATE_BUS
),
548 get_conf_byte(d
, PCI_SEC_LATENCY_TIMER
));
550 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !io_disabled
)
552 io_base
= p
->bridge_base_addr
[0] & PCI_IO_RANGE_MASK
;
553 io_limit
= io_base
+ p
->bridge_size
[0] - 1;
554 io_type
= p
->bridge_base_addr
[0] & PCI_IO_RANGE_TYPE_MASK
;
555 io_bits
= (io_type
== PCI_IO_RANGE_TYPE_32
) ? 32 : 16;
556 show_range("\tI/O behind bridge", io_base
, io_limit
, io_bits
, io_disabled
);
558 else if (io_type
!= (io_limit
& PCI_IO_RANGE_TYPE_MASK
) ||
559 (io_type
!= PCI_IO_RANGE_TYPE_16
&& io_type
!= PCI_IO_RANGE_TYPE_32
))
560 printf("\t!!! Unknown I/O range types %x/%x\n", io_base
, io_limit
);
563 io_base
= (io_base
& PCI_IO_RANGE_MASK
) << 8;
564 io_limit
= (io_limit
& PCI_IO_RANGE_MASK
) << 8;
565 if (io_type
== PCI_IO_RANGE_TYPE_32
)
567 io_base
|= (get_conf_word(d
, PCI_IO_BASE_UPPER16
) << 16);
568 io_limit
|= (get_conf_word(d
, PCI_IO_LIMIT_UPPER16
) << 16);
570 /* I/O is unsupported if both base and limit are zeros and resource is disabled */
571 if (!(io_base
== 0x0 && io_limit
== 0x0 && io_disabled
))
574 io_bits
= (io_type
== PCI_IO_RANGE_TYPE_32
) ? 32 : 16;
575 show_range("\tI/O behind bridge", io_base
, io_limit
, io_bits
, io_disabled
);
579 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !mem_disabled
)
581 mem_base
= p
->bridge_base_addr
[1] & PCI_MEMORY_RANGE_MASK
;
582 mem_limit
= mem_base
+ p
->bridge_size
[1] - 1;
583 show_range("\tMemory behind bridge", mem_base
, mem_limit
, 32, mem_disabled
);
585 else if (mem_type
!= (mem_limit
& PCI_MEMORY_RANGE_TYPE_MASK
) ||
587 printf("\t!!! Unknown memory range types %x/%x\n", mem_base
, mem_limit
);
590 mem_base
= (mem_base
& PCI_MEMORY_RANGE_MASK
) << 16;
591 mem_limit
= (mem_limit
& PCI_MEMORY_RANGE_MASK
) << 16;
592 show_range("\tMemory behind bridge", mem_base
, mem_limit
+ 0xfffff, 32, mem_disabled
);
595 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !pref_disabled
)
597 u64 pref_base_64
= p
->bridge_base_addr
[2] & PCI_MEMORY_RANGE_MASK
;
598 u64 pref_limit_64
= pref_base_64
+ p
->bridge_size
[2] - 1;
599 pref_type
= p
->bridge_base_addr
[2] & PCI_MEMORY_RANGE_TYPE_MASK
;
600 pref_bits
= (pref_type
== PCI_PREF_RANGE_TYPE_64
) ? 64 : 32;
601 show_range("\tPrefetchable memory behind bridge", pref_base_64
, pref_limit_64
, pref_bits
, pref_disabled
);
603 else if (pref_type
!= (pref_limit
& PCI_PREF_RANGE_TYPE_MASK
) ||
604 (pref_type
!= PCI_PREF_RANGE_TYPE_32
&& pref_type
!= PCI_PREF_RANGE_TYPE_64
))
605 printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base
, pref_limit
);
608 u64 pref_base_64
= (pref_base
& PCI_PREF_RANGE_MASK
) << 16;
609 u64 pref_limit_64
= (pref_limit
& PCI_PREF_RANGE_MASK
) << 16;
610 if (pref_type
== PCI_PREF_RANGE_TYPE_64
)
612 pref_base_64
|= (u64
) get_conf_long(d
, PCI_PREF_BASE_UPPER32
) << 32;
613 pref_limit_64
|= (u64
) get_conf_long(d
, PCI_PREF_LIMIT_UPPER32
) << 32;
615 /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
616 if (!(pref_base_64
== 0x0 && pref_limit_64
== 0x0 && pref_disabled
))
618 pref_limit_64
+= 0xfffff;
619 pref_bits
= (pref_type
== PCI_PREF_RANGE_TYPE_64
) ? 64 : 32;
620 show_range("\tPrefetchable memory behind bridge", pref_base_64
, pref_limit_64
, pref_bits
, pref_disabled
);
625 printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
626 FLAG(sec_stat
, PCI_STATUS_66MHZ
),
627 FLAG(sec_stat
, PCI_STATUS_FAST_BACK
),
628 FLAG(sec_stat
, PCI_STATUS_PARITY
),
629 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
630 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
631 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??",
632 FLAG(sec_stat
, PCI_STATUS_SIG_TARGET_ABORT
),
633 FLAG(sec_stat
, PCI_STATUS_REC_TARGET_ABORT
),
634 FLAG(sec_stat
, PCI_STATUS_REC_MASTER_ABORT
),
635 FLAG(sec_stat
, PCI_STATUS_SIG_SYSTEM_ERROR
),
636 FLAG(sec_stat
, PCI_STATUS_DETECTED_PARITY
));
638 show_rom(d
, PCI_ROM_ADDRESS1
);
642 printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
643 FLAG(brc
, PCI_BRIDGE_CTL_PARITY
),
644 FLAG(brc
, PCI_BRIDGE_CTL_SERR
),
645 FLAG(brc
, PCI_BRIDGE_CTL_NO_ISA
),
646 FLAG(brc
, PCI_BRIDGE_CTL_VGA
),
647 FLAG(brc
, PCI_BRIDGE_CTL_VGA_16BIT
),
648 FLAG(brc
, PCI_BRIDGE_CTL_MASTER_ABORT
),
649 FLAG(brc
, PCI_BRIDGE_CTL_BUS_RESET
),
650 FLAG(brc
, PCI_BRIDGE_CTL_FAST_BACK
));
651 printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
652 FLAG(brc
, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER
),
653 FLAG(brc
, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER
),
654 FLAG(brc
, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS
),
655 FLAG(brc
, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN
));
658 show_caps(d
, PCI_CAPABILITY_LIST
);
662 show_htype2(struct device
*d
)
665 word cmd
= get_conf_word(d
, PCI_COMMAND
);
666 word brc
= get_conf_word(d
, PCI_CB_BRIDGE_CONTROL
);
668 int verb
= verbose
> 2;
671 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
672 get_conf_byte(d
, PCI_CB_PRIMARY_BUS
),
673 get_conf_byte(d
, PCI_CB_CARD_BUS
),
674 get_conf_byte(d
, PCI_CB_SUBORDINATE_BUS
),
675 get_conf_byte(d
, PCI_CB_LATENCY_TIMER
));
679 u32 base
= get_conf_long(d
, PCI_CB_MEMORY_BASE_0
+ p
);
680 u32 limit
= get_conf_long(d
, PCI_CB_MEMORY_LIMIT_0
+ p
);
681 limit
= limit
+ 0xfff;
682 if (base
<= limit
|| verb
)
683 printf("\tMemory window %d: %08x-%08x%s%s\n", i
, base
, limit
,
684 (cmd
& PCI_COMMAND_MEMORY
) ? "" : " [disabled]",
685 (brc
& (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0
<< i
)) ? " (prefetchable)" : "");
690 u32 base
= get_conf_long(d
, PCI_CB_IO_BASE_0
+ p
);
691 u32 limit
= get_conf_long(d
, PCI_CB_IO_LIMIT_0
+ p
);
692 if (!(base
& PCI_IO_RANGE_TYPE_32
))
697 base
&= PCI_CB_IO_RANGE_MASK
;
698 limit
= (limit
& PCI_CB_IO_RANGE_MASK
) + 3;
699 if (base
<= limit
|| verb
)
700 printf("\tI/O window %d: %08x-%08x%s\n", i
, base
, limit
,
701 (cmd
& PCI_COMMAND_IO
) ? "" : " [disabled]");
704 if (get_conf_word(d
, PCI_CB_SEC_STATUS
) & PCI_STATUS_SIG_SYSTEM_ERROR
)
705 printf("\tSecondary status: SERR\n");
707 printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
708 FLAG(brc
, PCI_CB_BRIDGE_CTL_PARITY
),
709 FLAG(brc
, PCI_CB_BRIDGE_CTL_SERR
),
710 FLAG(brc
, PCI_CB_BRIDGE_CTL_ISA
),
711 FLAG(brc
, PCI_CB_BRIDGE_CTL_VGA
),
712 FLAG(brc
, PCI_CB_BRIDGE_CTL_MASTER_ABORT
),
713 FLAG(brc
, PCI_CB_BRIDGE_CTL_CB_RESET
),
714 FLAG(brc
, PCI_CB_BRIDGE_CTL_16BIT_INT
),
715 FLAG(brc
, PCI_CB_BRIDGE_CTL_POST_WRITES
));
717 if (d
->config_cached
< 128)
719 printf("\t<access denied to the rest>\n");
723 exca
= get_conf_word(d
, PCI_CB_LEGACY_MODE_BASE
);
725 printf("\t16-bit legacy interface ports at %04x\n", exca
);
726 show_caps(d
, PCI_CB_CAPABILITY_LIST
);
730 show_verbose(struct device
*d
)
732 struct pci_dev
*p
= d
->dev
;
733 word status
= get_conf_word(d
, PCI_STATUS
);
734 word cmd
= get_conf_word(d
, PCI_COMMAND
);
735 word
class = p
->device_class
;
736 byte bist
= get_conf_byte(d
, PCI_BIST
);
737 byte htype
= get_conf_byte(d
, PCI_HEADER_TYPE
) & 0x7f;
738 byte latency
= get_conf_byte(d
, PCI_LATENCY_TIMER
);
739 byte cache_line
= get_conf_byte(d
, PCI_CACHE_LINE_SIZE
);
740 byte max_lat
, min_gnt
;
741 byte int_pin
= get_conf_byte(d
, PCI_INTERRUPT_PIN
);
743 char *dt_node
, *iommu_group
;
747 pci_fill_info(p
, PCI_FILL_IRQ
| PCI_FILL_BASES
| PCI_FILL_ROM_BASE
| PCI_FILL_SIZES
|
748 PCI_FILL_PHYS_SLOT
| PCI_FILL_NUMA_NODE
| PCI_FILL_DT_NODE
| PCI_FILL_IOMMU_GROUP
|
749 PCI_FILL_BRIDGE_BASES
| PCI_FILL_CLASS_EXT
| PCI_FILL_SUBSYS
);
754 case PCI_HEADER_TYPE_NORMAL
:
755 if (class == PCI_CLASS_BRIDGE_PCI
)
756 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
757 max_lat
= get_conf_byte(d
, PCI_MAX_LAT
);
758 min_gnt
= get_conf_byte(d
, PCI_MIN_GNT
);
760 case PCI_HEADER_TYPE_BRIDGE
:
761 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE
)
762 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
763 min_gnt
= max_lat
= 0;
765 case PCI_HEADER_TYPE_CARDBUS
:
766 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE
)
767 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
768 min_gnt
= max_lat
= 0;
771 printf("\t!!! Unknown header type %02x\n", htype
);
776 printf("\tPhysical Slot: %s\n", p
->phy_slot
);
778 if (dt_node
= pci_get_string_property(p
, PCI_FILL_DT_NODE
))
779 printf("\tDevice tree node: %s\n", dt_node
);
783 printf("\tControl: I/O%c Mem%c BusMaster%c SpecCycle%c MemWINV%c VGASnoop%c ParErr%c Stepping%c SERR%c FastB2B%c DisINTx%c\n",
784 FLAG(cmd
, PCI_COMMAND_IO
),
785 FLAG(cmd
, PCI_COMMAND_MEMORY
),
786 FLAG(cmd
, PCI_COMMAND_MASTER
),
787 FLAG(cmd
, PCI_COMMAND_SPECIAL
),
788 FLAG(cmd
, PCI_COMMAND_INVALIDATE
),
789 FLAG(cmd
, PCI_COMMAND_VGA_PALETTE
),
790 FLAG(cmd
, PCI_COMMAND_PARITY
),
791 FLAG(cmd
, PCI_COMMAND_WAIT
),
792 FLAG(cmd
, PCI_COMMAND_SERR
),
793 FLAG(cmd
, PCI_COMMAND_FAST_BACK
),
794 FLAG(cmd
, PCI_COMMAND_DISABLE_INTx
));
795 printf("\tStatus: Cap%c 66MHz%c UDF%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c >SERR%c <PERR%c INTx%c\n",
796 FLAG(status
, PCI_STATUS_CAP_LIST
),
797 FLAG(status
, PCI_STATUS_66MHZ
),
798 FLAG(status
, PCI_STATUS_UDF
),
799 FLAG(status
, PCI_STATUS_FAST_BACK
),
800 FLAG(status
, PCI_STATUS_PARITY
),
801 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
802 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
803 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??",
804 FLAG(status
, PCI_STATUS_SIG_TARGET_ABORT
),
805 FLAG(status
, PCI_STATUS_REC_TARGET_ABORT
),
806 FLAG(status
, PCI_STATUS_REC_MASTER_ABORT
),
807 FLAG(status
, PCI_STATUS_SIG_SYSTEM_ERROR
),
808 FLAG(status
, PCI_STATUS_DETECTED_PARITY
),
809 FLAG(status
, PCI_STATUS_INTx
));
810 if (cmd
& PCI_COMMAND_MASTER
)
812 printf("\tLatency: %d", latency
);
813 if (min_gnt
|| max_lat
)
817 printf("%dns min", min_gnt
*250);
818 if (min_gnt
&& max_lat
)
821 printf("%dns max", max_lat
*250);
825 printf(", Cache Line Size: %d bytes", cache_line
* 4);
829 printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT
"\n",
830 (int_pin
? 'A' + int_pin
- 1 : '?'), irq
);
831 if (p
->numa_node
!= -1)
832 printf("\tNUMA node: %d\n", p
->numa_node
);
833 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
834 printf("\tIOMMU group: %s\n", iommu_group
);
839 if (cmd
& PCI_COMMAND_MASTER
)
840 printf("bus master, ");
841 if (cmd
& PCI_COMMAND_VGA_PALETTE
)
842 printf("VGA palette snoop, ");
843 if (cmd
& PCI_COMMAND_WAIT
)
844 printf("stepping, ");
845 if (cmd
& PCI_COMMAND_FAST_BACK
)
846 printf("fast Back2Back, ");
847 if (status
& PCI_STATUS_66MHZ
)
849 if (status
& PCI_STATUS_UDF
)
850 printf("user-definable features, ");
852 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
853 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
854 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??");
855 if (cmd
& PCI_COMMAND_MASTER
)
856 printf(", latency %d", latency
);
858 printf(", IRQ " PCIIRQ_FMT
, irq
);
859 if (p
->numa_node
!= -1)
860 printf(", NUMA node %d", p
->numa_node
);
861 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
862 printf(", IOMMU group %s", iommu_group
);
866 if (bist
& PCI_BIST_CAPABLE
)
868 if (bist
& PCI_BIST_START
)
869 printf("\tBIST is running\n");
871 printf("\tBIST result: %02x\n", bist
& PCI_BIST_CODE_MASK
);
876 case PCI_HEADER_TYPE_NORMAL
:
879 case PCI_HEADER_TYPE_BRIDGE
:
882 case PCI_HEADER_TYPE_CARDBUS
:
888 /*** Machine-readable dumps ***/
891 show_hex_dump(struct device
*d
)
895 cnt
= d
->config_cached
;
896 if (opt_hex
>= 3 && config_fetch(d
, cnt
, 256-cnt
))
899 if (opt_hex
>= 4 && config_fetch(d
, 256, 4096-256))
903 for (i
=0; i
<cnt
; i
++)
907 printf(" %02x", get_conf_byte(d
, i
));
914 print_shell_escaped(char *c
)
919 if (*c
== '"' || *c
== '\\')
927 show_machine(struct device
*d
)
929 struct pci_dev
*p
= d
->dev
;
930 char classbuf
[128], vendbuf
[128], devbuf
[128], svbuf
[128], sdbuf
[128];
931 char *dt_node
, *iommu_group
;
935 pci_fill_info(p
, PCI_FILL_PHYS_SLOT
| PCI_FILL_NUMA_NODE
| PCI_FILL_DT_NODE
| PCI_FILL_IOMMU_GROUP
);
936 printf((opt_machine
>= 2) ? "Slot:\t" : "Device:\t");
939 printf("Class:\t%s\n",
940 pci_lookup_name(pacc
, classbuf
, sizeof(classbuf
), PCI_LOOKUP_CLASS
, p
->device_class
));
941 printf("Vendor:\t%s\n",
942 pci_lookup_name(pacc
, vendbuf
, sizeof(vendbuf
), PCI_LOOKUP_VENDOR
, p
->vendor_id
, p
->device_id
));
943 printf("Device:\t%s\n",
944 pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
), PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
));
945 if ((p
->known_fields
& PCI_FILL_SUBSYS
) &&
946 p
->subsys_vendor_id
&& p
->subsys_vendor_id
!= 0xffff)
948 printf("SVendor:\t%s\n",
949 pci_lookup_name(pacc
, svbuf
, sizeof(svbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_VENDOR
, p
->subsys_vendor_id
));
950 printf("SDevice:\t%s\n",
951 pci_lookup_name(pacc
, sdbuf
, sizeof(sdbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
, p
->subsys_vendor_id
, p
->subsys_id
));
954 printf("PhySlot:\t%s\n", p
->phy_slot
);
955 if ((p
->known_fields
& PCI_FILL_CLASS_EXT
) && p
->rev_id
)
956 printf("Rev:\t%02x\n", p
->rev_id
);
957 if (p
->known_fields
& PCI_FILL_CLASS_EXT
)
958 printf("ProgIf:\t%02x\n", p
->prog_if
);
960 show_kernel_machine(d
);
961 if (p
->numa_node
!= -1)
962 printf("NUMANode:\t%d\n", p
->numa_node
);
963 if (dt_node
= pci_get_string_property(p
, PCI_FILL_DT_NODE
))
964 printf("DTNode:\t%s\n", dt_node
);
965 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
966 printf("IOMMUGroup:\t%s\n", iommu_group
);
971 print_shell_escaped(pci_lookup_name(pacc
, classbuf
, sizeof(classbuf
), PCI_LOOKUP_CLASS
, p
->device_class
));
972 print_shell_escaped(pci_lookup_name(pacc
, vendbuf
, sizeof(vendbuf
), PCI_LOOKUP_VENDOR
, p
->vendor_id
, p
->device_id
));
973 print_shell_escaped(pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
), PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
));
974 if ((p
->known_fields
& PCI_FILL_CLASS_EXT
) && p
->rev_id
)
975 printf(" -r%02x", p
->rev_id
);
976 if (p
->known_fields
& PCI_FILL_CLASS_EXT
)
977 printf(" -p%02x", p
->prog_if
);
978 if ((p
->known_fields
& PCI_FILL_SUBSYS
) &&
979 p
->subsys_vendor_id
&& p
->subsys_vendor_id
!= 0xffff)
981 print_shell_escaped(pci_lookup_name(pacc
, svbuf
, sizeof(svbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_VENDOR
, p
->subsys_vendor_id
));
982 print_shell_escaped(pci_lookup_name(pacc
, sdbuf
, sizeof(sdbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
, p
->subsys_vendor_id
, p
->subsys_id
));
985 printf(" \"\" \"\"");
990 /*** Main show function ***/
993 show_device(struct device
*d
)
1003 if (opt_kernel
|| verbose
)
1008 if (verbose
|| opt_hex
)
1017 for (d
=first_dev
; d
; d
=d
->next
)
1018 if (pci_filter_match(&filter
, d
->dev
))
1025 main(int argc
, char **argv
)
1030 if (argc
== 2 && !strcmp(argv
[1], "--version"))
1032 puts("lspci version " PCIUTILS_VERSION
);
1038 pci_filter_init(pacc
, &filter
);
1040 while ((i
= getopt(argc
, argv
, options
)) != -1)
1044 pacc
->numeric_ids
++;
1050 pacc
->buscentric
= 1;
1053 if (msg
= pci_filter_parse_slot(&filter
, optarg
))
1058 if (msg
= pci_filter_parse_id(&filter
, optarg
))
1074 pci_set_name_list_path(pacc
, optarg
, 0);
1080 opt_pcimap
= optarg
;
1103 die("DNS queries are not available in this version");
1106 if (parse_generic_option(i
, pacc
, optarg
))
1109 fprintf(stderr
, help_msg
, pacc
->id_file_name
);
1117 pacc
->id_lookup_mode
|= PCI_LOOKUP_NETWORK
;
1118 if (opt_query_dns
> 1)
1119 pacc
->id_lookup_mode
|= PCI_LOOKUP_REFRESH_CACHE
;
1122 pacc
->id_lookup_mode
|= PCI_LOOKUP_NETWORK
| PCI_LOOKUP_SKIP_LOCAL
;
1128 die("Bus mapping mode does not recognize bus topology");
1138 show_forest(opt_filter
? &filter
: NULL
);
1142 show_kernel_cleanup();
1145 return (seen_errors
? 2 : 0);