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
->no_config_access
= p
->no_config_access
;
128 d
->config_cached
= d
->config_bufsize
= 64;
129 d
->config
= xmalloc(64);
130 d
->present
= xmalloc(64);
131 memset(d
->present
, 1, 64);
132 if (!d
->no_config_access
&& !pci_read_block(p
, 0, d
->config
, 64))
134 d
->no_config_access
= 1;
135 d
->config_cached
= d
->config_bufsize
= 0;
136 memset(d
->present
, 0, 64);
138 if (!d
->no_config_access
&& (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(const 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]");
367 printf(" [%d-bit]", bits
);
372 ioflg_to_pciflg(pciaddr_t ioflg
)
376 if (ioflg
& PCI_IORESOURCE_IO
)
377 flg
= PCI_BASE_ADDRESS_SPACE_IO
;
378 else if (!(ioflg
& PCI_IORESOURCE_MEM
))
382 flg
= PCI_BASE_ADDRESS_SPACE_MEMORY
;
383 if (ioflg
& PCI_IORESOURCE_MEM_64
)
384 flg
|= PCI_BASE_ADDRESS_MEM_TYPE_64
;
386 flg
|= PCI_BASE_ADDRESS_MEM_TYPE_32
;
387 if (ioflg
& PCI_IORESOURCE_PREFETCH
)
388 flg
|= PCI_BASE_ADDRESS_MEM_PREFETCH
;
395 show_bases(struct device
*d
, int cnt
, int without_config_data
)
397 struct pci_dev
*p
= d
->dev
;
398 word cmd
= without_config_data
? (PCI_COMMAND_IO
| PCI_COMMAND_MEMORY
) : get_conf_word(d
, PCI_COMMAND
);
401 for (i
=0; i
<cnt
; i
++)
403 pciaddr_t pos
= p
->base_addr
[i
];
404 pciaddr_t len
= (p
->known_fields
& PCI_FILL_SIZES
) ? p
->size
[i
] : 0;
405 pciaddr_t ioflg
= (p
->known_fields
& PCI_FILL_IO_FLAGS
) ? p
->flags
[i
] : 0;
406 u32 flg
= (p
->known_fields
& PCI_FILL_IO_FLAGS
) ? ioflg_to_pciflg(ioflg
) : without_config_data
? 0 : get_conf_long(d
, PCI_BASE_ADDRESS_0
+ 4*i
);
412 if (flg
== 0xffffffff)
414 if (!pos
&& !flg
&& !len
)
418 printf("\tRegion %d: ", i
);
422 /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
423 if ((p
->known_fields
& PCI_FILL_IO_FLAGS
) && !without_config_data
)
425 /* Read address as seen by the hardware */
426 hw_lower
= get_conf_long(d
, PCI_BASE_ADDRESS_0
+ 4*i
);
427 if ((hw_lower
& PCI_BASE_ADDRESS_SPACE
) == (ioflg_to_pciflg(ioflg
) & PCI_BASE_ADDRESS_SPACE
))
429 if ((ioflg
& PCI_IORESOURCE_TYPE_BITS
) == PCI_IORESOURCE_MEM
&&
430 (hw_lower
& PCI_BASE_ADDRESS_MEM_TYPE_MASK
) == PCI_BASE_ADDRESS_MEM_TYPE_64
)
435 hw_upper
= get_conf_long(d
, PCI_BASE_ADDRESS_0
+ 4*i
+ 1);
437 if (pos
&& !hw_lower
&& !hw_upper
&& !(ioflg
& PCI_IORESOURCE_PCI_EA_BEI
))
442 /* Print base address */
443 if (flg
& PCI_BASE_ADDRESS_SPACE_IO
)
445 pciaddr_t a
= pos
& PCI_BASE_ADDRESS_IO_MASK
;
446 printf("I/O ports at ");
447 if (a
|| (cmd
& PCI_COMMAND_IO
))
448 printf(PCIADDR_PORT_FMT
, a
);
452 printf("<unassigned>");
454 printf(" [virtual]");
455 else if (!(cmd
& PCI_COMMAND_IO
))
456 printf(" [disabled]");
460 int t
= flg
& PCI_BASE_ADDRESS_MEM_TYPE_MASK
;
461 pciaddr_t a
= pos
& PCI_ADDR_MEM_MASK
;
463 printf("Memory at ");
465 printf("<broken-64-bit-slot>");
467 printf(PCIADDR_T_FMT
, a
);
468 else if (hw_lower
|| hw_upper
)
471 printf("<unassigned>");
472 printf(" (%s, %sprefetchable)",
473 (t
== PCI_BASE_ADDRESS_MEM_TYPE_32
) ? "32-bit" :
474 (t
== PCI_BASE_ADDRESS_MEM_TYPE_64
) ? "64-bit" :
475 (t
== PCI_BASE_ADDRESS_MEM_TYPE_1M
) ? "low-1M" : "type 3",
476 (flg
& PCI_BASE_ADDRESS_MEM_PREFETCH
) ? "" : "non-");
478 printf(" [virtual]");
479 else if (!(cmd
& PCI_COMMAND_MEMORY
))
480 printf(" [disabled]");
483 if (ioflg
& PCI_IORESOURCE_PCI_EA_BEI
)
484 printf(" [enhanced]");
492 show_rom(struct device
*d
, int reg
)
494 struct pci_dev
*p
= d
->dev
;
495 pciaddr_t rom
= p
->rom_base_addr
;
496 pciaddr_t len
= (p
->known_fields
& PCI_FILL_SIZES
) ? p
->rom_size
: 0;
497 pciaddr_t ioflg
= (p
->known_fields
& PCI_FILL_IO_FLAGS
) ? p
->rom_flags
: 0;
498 u32 flg
= reg
>= 0 ? get_conf_long(d
, reg
) : ioflg_to_pciflg(ioflg
);
499 word cmd
= reg
>= 0 ? get_conf_word(d
, PCI_COMMAND
) : PCI_COMMAND_MEMORY
;
502 if (!rom
&& !flg
&& !len
)
505 if (reg
>= 0 && (rom
& PCI_ROM_ADDRESS_MASK
) && !(flg
& PCI_ROM_ADDRESS_MASK
) && !(ioflg
& PCI_IORESOURCE_PCI_EA_BEI
))
511 printf("\tExpansion ROM at ");
512 if (rom
& PCI_ROM_ADDRESS_MASK
)
513 printf(PCIADDR_T_FMT
, rom
& PCI_ROM_ADDRESS_MASK
);
514 else if (flg
& PCI_ROM_ADDRESS_MASK
)
517 printf("<unassigned>");
520 printf(" [virtual]");
522 if (!(flg
& PCI_ROM_ADDRESS_ENABLE
))
523 printf(" [disabled]");
524 else if (!virtual && !(cmd
& PCI_COMMAND_MEMORY
))
525 printf(" [disabled by cmd]");
527 if (ioflg
& PCI_IORESOURCE_PCI_EA_BEI
)
528 printf(" [enhanced]");
535 show_htype0(struct device
*d
)
538 show_rom(d
, PCI_ROM_ADDRESS
);
539 show_caps(d
, PCI_CAPABILITY_LIST
);
543 show_htype1(struct device
*d
)
545 struct pci_dev
*p
= d
->dev
;
546 u32 io_base
= get_conf_byte(d
, PCI_IO_BASE
);
547 u32 io_limit
= get_conf_byte(d
, PCI_IO_LIMIT
);
548 u32 io_type
= io_base
& PCI_IO_RANGE_TYPE_MASK
;
549 u32 mem_base
= get_conf_word(d
, PCI_MEMORY_BASE
);
550 u32 mem_limit
= get_conf_word(d
, PCI_MEMORY_LIMIT
);
551 u32 mem_type
= mem_base
& PCI_MEMORY_RANGE_TYPE_MASK
;
552 u32 pref_base
= get_conf_word(d
, PCI_PREF_MEMORY_BASE
);
553 u32 pref_limit
= get_conf_word(d
, PCI_PREF_MEMORY_LIMIT
);
554 u32 pref_type
= pref_base
& PCI_PREF_RANGE_TYPE_MASK
;
555 word sec_stat
= get_conf_word(d
, PCI_SEC_STATUS
);
556 word brc
= get_conf_word(d
, PCI_BRIDGE_CONTROL
);
557 int io_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[0];
558 int mem_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[1];
559 int pref_disabled
= (p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !p
->bridge_size
[2];
560 int io_bits
, pref_bits
;
563 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
564 get_conf_byte(d
, PCI_PRIMARY_BUS
),
565 get_conf_byte(d
, PCI_SECONDARY_BUS
),
566 get_conf_byte(d
, PCI_SUBORDINATE_BUS
),
567 get_conf_byte(d
, PCI_SEC_LATENCY_TIMER
));
569 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !io_disabled
)
571 io_base
= p
->bridge_base_addr
[0] & PCI_IO_RANGE_MASK
;
572 io_limit
= io_base
+ p
->bridge_size
[0] - 1;
573 io_type
= p
->bridge_base_addr
[0] & PCI_IO_RANGE_TYPE_MASK
;
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
);
577 else if (io_type
!= (io_limit
& PCI_IO_RANGE_TYPE_MASK
) ||
578 (io_type
!= PCI_IO_RANGE_TYPE_16
&& io_type
!= PCI_IO_RANGE_TYPE_32
))
579 printf("\t!!! Unknown I/O range types %x/%x\n", io_base
, io_limit
);
582 io_base
= (io_base
& PCI_IO_RANGE_MASK
) << 8;
583 io_limit
= (io_limit
& PCI_IO_RANGE_MASK
) << 8;
584 if (io_type
== PCI_IO_RANGE_TYPE_32
)
586 io_base
|= (get_conf_word(d
, PCI_IO_BASE_UPPER16
) << 16);
587 io_limit
|= (get_conf_word(d
, PCI_IO_LIMIT_UPPER16
) << 16);
589 /* I/O is unsupported if both base and limit are zeros and resource is disabled */
590 if (!(io_base
== 0x0 && io_limit
== 0x0 && io_disabled
))
593 io_bits
= (io_type
== PCI_IO_RANGE_TYPE_32
) ? 32 : 16;
594 show_range("\tI/O behind bridge", io_base
, io_limit
, io_bits
, io_disabled
);
598 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !mem_disabled
)
600 mem_base
= p
->bridge_base_addr
[1] & PCI_MEMORY_RANGE_MASK
;
601 mem_limit
= mem_base
+ p
->bridge_size
[1] - 1;
602 show_range("\tMemory behind bridge", mem_base
, mem_limit
, 32, mem_disabled
);
604 else if (mem_type
!= (mem_limit
& PCI_MEMORY_RANGE_TYPE_MASK
) ||
606 printf("\t!!! Unknown memory range types %x/%x\n", mem_base
, mem_limit
);
609 mem_base
= (mem_base
& PCI_MEMORY_RANGE_MASK
) << 16;
610 mem_limit
= (mem_limit
& PCI_MEMORY_RANGE_MASK
) << 16;
611 show_range("\tMemory behind bridge", mem_base
, mem_limit
+ 0xfffff, 32, mem_disabled
);
614 if ((p
->known_fields
& PCI_FILL_BRIDGE_BASES
) && !pref_disabled
)
616 u64 pref_base_64
= p
->bridge_base_addr
[2] & PCI_MEMORY_RANGE_MASK
;
617 u64 pref_limit_64
= pref_base_64
+ p
->bridge_size
[2] - 1;
618 pref_type
= p
->bridge_base_addr
[2] & PCI_MEMORY_RANGE_TYPE_MASK
;
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
);
622 else if (pref_type
!= (pref_limit
& PCI_PREF_RANGE_TYPE_MASK
) ||
623 (pref_type
!= PCI_PREF_RANGE_TYPE_32
&& pref_type
!= PCI_PREF_RANGE_TYPE_64
))
624 printf("\t!!! Unknown prefetchable memory range types %x/%x\n", pref_base
, pref_limit
);
627 u64 pref_base_64
= (pref_base
& PCI_PREF_RANGE_MASK
) << 16;
628 u64 pref_limit_64
= (pref_limit
& PCI_PREF_RANGE_MASK
) << 16;
629 if (pref_type
== PCI_PREF_RANGE_TYPE_64
)
631 pref_base_64
|= (u64
) get_conf_long(d
, PCI_PREF_BASE_UPPER32
) << 32;
632 pref_limit_64
|= (u64
) get_conf_long(d
, PCI_PREF_LIMIT_UPPER32
) << 32;
634 /* Prefetchable memory is unsupported if both base and limit are zeros and resource is disabled */
635 if (!(pref_base_64
== 0x0 && pref_limit_64
== 0x0 && pref_disabled
))
637 pref_limit_64
+= 0xfffff;
638 pref_bits
= (pref_type
== PCI_PREF_RANGE_TYPE_64
) ? 64 : 32;
639 show_range("\tPrefetchable memory behind bridge", pref_base_64
, pref_limit_64
, pref_bits
, pref_disabled
);
644 printf("\tSecondary status: 66MHz%c FastB2B%c ParErr%c DEVSEL=%s >TAbort%c <TAbort%c <MAbort%c <SERR%c <PERR%c\n",
645 FLAG(sec_stat
, PCI_STATUS_66MHZ
),
646 FLAG(sec_stat
, PCI_STATUS_FAST_BACK
),
647 FLAG(sec_stat
, PCI_STATUS_PARITY
),
648 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
649 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
650 ((sec_stat
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??",
651 FLAG(sec_stat
, PCI_STATUS_SIG_TARGET_ABORT
),
652 FLAG(sec_stat
, PCI_STATUS_REC_TARGET_ABORT
),
653 FLAG(sec_stat
, PCI_STATUS_REC_MASTER_ABORT
),
654 FLAG(sec_stat
, PCI_STATUS_SIG_SYSTEM_ERROR
),
655 FLAG(sec_stat
, PCI_STATUS_DETECTED_PARITY
));
657 show_rom(d
, PCI_ROM_ADDRESS1
);
661 printf("\tBridgeCtl: Parity%c SERR%c NoISA%c VGA%c VGA16%c MAbort%c >Reset%c FastB2B%c\n",
662 FLAG(brc
, PCI_BRIDGE_CTL_PARITY
),
663 FLAG(brc
, PCI_BRIDGE_CTL_SERR
),
664 FLAG(brc
, PCI_BRIDGE_CTL_NO_ISA
),
665 FLAG(brc
, PCI_BRIDGE_CTL_VGA
),
666 FLAG(brc
, PCI_BRIDGE_CTL_VGA_16BIT
),
667 FLAG(brc
, PCI_BRIDGE_CTL_MASTER_ABORT
),
668 FLAG(brc
, PCI_BRIDGE_CTL_BUS_RESET
),
669 FLAG(brc
, PCI_BRIDGE_CTL_FAST_BACK
));
670 printf("\t\tPriDiscTmr%c SecDiscTmr%c DiscTmrStat%c DiscTmrSERREn%c\n",
671 FLAG(brc
, PCI_BRIDGE_CTL_PRI_DISCARD_TIMER
),
672 FLAG(brc
, PCI_BRIDGE_CTL_SEC_DISCARD_TIMER
),
673 FLAG(brc
, PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS
),
674 FLAG(brc
, PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN
));
677 show_caps(d
, PCI_CAPABILITY_LIST
);
681 show_htype2(struct device
*d
)
684 word cmd
= get_conf_word(d
, PCI_COMMAND
);
685 word brc
= get_conf_word(d
, PCI_CB_BRIDGE_CONTROL
);
687 int verb
= verbose
> 2;
690 printf("\tBus: primary=%02x, secondary=%02x, subordinate=%02x, sec-latency=%d\n",
691 get_conf_byte(d
, PCI_CB_PRIMARY_BUS
),
692 get_conf_byte(d
, PCI_CB_CARD_BUS
),
693 get_conf_byte(d
, PCI_CB_SUBORDINATE_BUS
),
694 get_conf_byte(d
, PCI_CB_LATENCY_TIMER
));
698 u32 base
= get_conf_long(d
, PCI_CB_MEMORY_BASE_0
+ p
);
699 u32 limit
= get_conf_long(d
, PCI_CB_MEMORY_LIMIT_0
+ p
);
700 limit
= limit
+ 0xfff;
701 if (base
<= limit
|| verb
)
702 printf("\tMemory window %d: %08x-%08x%s%s\n", i
, base
, limit
,
703 (cmd
& PCI_COMMAND_MEMORY
) ? "" : " [disabled]",
704 (brc
& (PCI_CB_BRIDGE_CTL_PREFETCH_MEM0
<< i
)) ? " (prefetchable)" : "");
709 u32 base
= get_conf_long(d
, PCI_CB_IO_BASE_0
+ p
);
710 u32 limit
= get_conf_long(d
, PCI_CB_IO_LIMIT_0
+ p
);
711 if (!(base
& PCI_IO_RANGE_TYPE_32
))
716 base
&= PCI_CB_IO_RANGE_MASK
;
717 limit
= (limit
& PCI_CB_IO_RANGE_MASK
) + 3;
718 if (base
<= limit
|| verb
)
719 printf("\tI/O window %d: %08x-%08x%s\n", i
, base
, limit
,
720 (cmd
& PCI_COMMAND_IO
) ? "" : " [disabled]");
723 if (get_conf_word(d
, PCI_CB_SEC_STATUS
) & PCI_STATUS_SIG_SYSTEM_ERROR
)
724 printf("\tSecondary status: SERR\n");
726 printf("\tBridgeCtl: Parity%c SERR%c ISA%c VGA%c MAbort%c >Reset%c 16bInt%c PostWrite%c\n",
727 FLAG(brc
, PCI_CB_BRIDGE_CTL_PARITY
),
728 FLAG(brc
, PCI_CB_BRIDGE_CTL_SERR
),
729 FLAG(brc
, PCI_CB_BRIDGE_CTL_ISA
),
730 FLAG(brc
, PCI_CB_BRIDGE_CTL_VGA
),
731 FLAG(brc
, PCI_CB_BRIDGE_CTL_MASTER_ABORT
),
732 FLAG(brc
, PCI_CB_BRIDGE_CTL_CB_RESET
),
733 FLAG(brc
, PCI_CB_BRIDGE_CTL_16BIT_INT
),
734 FLAG(brc
, PCI_CB_BRIDGE_CTL_POST_WRITES
));
736 if (d
->config_cached
< 128)
738 printf("\t<access denied to the rest>\n");
742 exca
= get_conf_word(d
, PCI_CB_LEGACY_MODE_BASE
);
744 printf("\t16-bit legacy interface ports at %04x\n", exca
);
745 show_caps(d
, PCI_CB_CAPABILITY_LIST
);
749 show_htype_unknown(struct device
*d
)
751 struct pci_dev
*p
= d
->dev
;
752 u64 base
, limit
, flags
;
756 if (pacc
->buscentric
)
760 for (i
= 0; i
< 4; i
++)
762 if (!p
->bridge_base_addr
[i
])
764 base
= p
->bridge_base_addr
[i
];
765 limit
= base
+ p
->bridge_size
[i
] - 1;
766 flags
= p
->bridge_flags
[i
];
767 if (flags
& PCI_IORESOURCE_IO
)
769 bits
= (flags
& PCI_IORESOURCE_IO_16BIT_ADDR
) ? 16 : 32;
770 str
= "\tI/O behind bridge";
772 else if (flags
& PCI_IORESOURCE_MEM
)
774 bits
= (flags
& PCI_IORESOURCE_MEM_64
) ? 64 : 32;
775 if (flags
& PCI_IORESOURCE_PREFETCH
)
776 str
= "\tPrefetchable memory behind bridge";
778 str
= "\tMemory behind bridge";
783 str
= "\tUnknown resource behind bridge";
785 show_range(str
, base
, limit
, bits
, 0);
791 show_verbose(struct device
*d
)
793 struct pci_dev
*p
= d
->dev
;
794 int unknown_config_data
= 0;
795 word
class = p
->device_class
;
796 byte htype
= d
->no_config_access
? -1 : (get_conf_byte(d
, PCI_HEADER_TYPE
) & 0x7f);
798 byte max_lat
, min_gnt
;
799 char *dt_node
, *iommu_group
;
803 pci_fill_info(p
, PCI_FILL_IRQ
| PCI_FILL_BASES
| PCI_FILL_ROM_BASE
| PCI_FILL_SIZES
|
804 PCI_FILL_PHYS_SLOT
| PCI_FILL_NUMA_NODE
| PCI_FILL_DT_NODE
| PCI_FILL_IOMMU_GROUP
|
805 PCI_FILL_BRIDGE_BASES
| PCI_FILL_CLASS_EXT
| PCI_FILL_SUBSYS
);
809 case PCI_HEADER_TYPE_NORMAL
:
810 if (class == PCI_CLASS_BRIDGE_PCI
)
811 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
812 bist
= get_conf_byte(d
, PCI_BIST
);
813 max_lat
= get_conf_byte(d
, PCI_MAX_LAT
);
814 min_gnt
= get_conf_byte(d
, PCI_MIN_GNT
);
816 case PCI_HEADER_TYPE_BRIDGE
:
817 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE
)
818 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
819 bist
= get_conf_byte(d
, PCI_BIST
);
820 min_gnt
= max_lat
= 0;
822 case PCI_HEADER_TYPE_CARDBUS
:
823 if ((class >> 8) != PCI_BASE_CLASS_BRIDGE
)
824 printf("\t!!! Invalid class %04x for header type %02x\n", class, htype
);
825 bist
= get_conf_byte(d
, PCI_BIST
);
826 min_gnt
= max_lat
= 0;
829 if (!d
->no_config_access
)
830 printf("\t!!! Unknown header type %02x\n", htype
);
832 min_gnt
= max_lat
= 0;
833 unknown_config_data
= 1;
837 printf("\tPhysical Slot: %s\n", p
->phy_slot
);
839 if (dt_node
= pci_get_string_property(p
, PCI_FILL_DT_NODE
))
840 printf("\tDevice tree node: %s\n", dt_node
);
842 if (!unknown_config_data
&& verbose
> 1)
844 word cmd
= get_conf_word(d
, PCI_COMMAND
);
845 word status
= get_conf_word(d
, PCI_STATUS
);
846 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",
847 FLAG(cmd
, PCI_COMMAND_IO
),
848 FLAG(cmd
, PCI_COMMAND_MEMORY
),
849 FLAG(cmd
, PCI_COMMAND_MASTER
),
850 FLAG(cmd
, PCI_COMMAND_SPECIAL
),
851 FLAG(cmd
, PCI_COMMAND_INVALIDATE
),
852 FLAG(cmd
, PCI_COMMAND_VGA_PALETTE
),
853 FLAG(cmd
, PCI_COMMAND_PARITY
),
854 FLAG(cmd
, PCI_COMMAND_WAIT
),
855 FLAG(cmd
, PCI_COMMAND_SERR
),
856 FLAG(cmd
, PCI_COMMAND_FAST_BACK
),
857 FLAG(cmd
, PCI_COMMAND_DISABLE_INTx
));
858 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",
859 FLAG(status
, PCI_STATUS_CAP_LIST
),
860 FLAG(status
, PCI_STATUS_66MHZ
),
861 FLAG(status
, PCI_STATUS_UDF
),
862 FLAG(status
, PCI_STATUS_FAST_BACK
),
863 FLAG(status
, PCI_STATUS_PARITY
),
864 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
865 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
866 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??",
867 FLAG(status
, PCI_STATUS_SIG_TARGET_ABORT
),
868 FLAG(status
, PCI_STATUS_REC_TARGET_ABORT
),
869 FLAG(status
, PCI_STATUS_REC_MASTER_ABORT
),
870 FLAG(status
, PCI_STATUS_SIG_SYSTEM_ERROR
),
871 FLAG(status
, PCI_STATUS_DETECTED_PARITY
),
872 FLAG(status
, PCI_STATUS_INTx
));
873 if (cmd
& PCI_COMMAND_MASTER
)
875 byte latency
= get_conf_byte(d
, PCI_LATENCY_TIMER
);
876 byte cache_line
= get_conf_byte(d
, PCI_CACHE_LINE_SIZE
);
877 printf("\tLatency: %d", latency
);
878 if (min_gnt
|| max_lat
)
882 printf("%dns min", min_gnt
*250);
883 if (min_gnt
&& max_lat
)
886 printf("%dns max", max_lat
*250);
890 printf(", Cache Line Size: %d bytes", cache_line
* 4);
897 byte int_pin
= unknown_config_data
? 0 : get_conf_byte(d
, PCI_INTERRUPT_PIN
);
898 if (int_pin
|| p
->irq
)
899 printf("\tInterrupt: pin %c routed to IRQ " PCIIRQ_FMT
"\n",
900 (int_pin
? 'A' + int_pin
- 1 : '?'), p
->irq
);
901 if (p
->numa_node
!= -1)
902 printf("\tNUMA node: %d\n", p
->numa_node
);
903 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
904 printf("\tIOMMU group: %s\n", iommu_group
);
907 if (!unknown_config_data
&& verbose
<= 1)
909 word cmd
= get_conf_word(d
, PCI_COMMAND
);
910 word status
= get_conf_word(d
, PCI_STATUS
);
911 byte latency
= get_conf_byte(d
, PCI_LATENCY_TIMER
);
913 if (cmd
& PCI_COMMAND_MASTER
)
914 printf("bus master, ");
915 if (cmd
& PCI_COMMAND_VGA_PALETTE
)
916 printf("VGA palette snoop, ");
917 if (cmd
& PCI_COMMAND_WAIT
)
918 printf("stepping, ");
919 if (cmd
& PCI_COMMAND_FAST_BACK
)
920 printf("fast Back2Back, ");
921 if (status
& PCI_STATUS_66MHZ
)
923 if (status
& PCI_STATUS_UDF
)
924 printf("user-definable features, ");
926 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_SLOW
) ? "slow" :
927 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_MEDIUM
) ? "medium" :
928 ((status
& PCI_STATUS_DEVSEL_MASK
) == PCI_STATUS_DEVSEL_FAST
) ? "fast" : "??");
929 if (cmd
& PCI_COMMAND_MASTER
)
930 printf(", latency %d", latency
);
932 printf(", IRQ " PCIIRQ_FMT
, p
->irq
);
933 if (p
->numa_node
!= -1)
934 printf(", NUMA node %d", p
->numa_node
);
935 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
936 printf(", IOMMU group %s", iommu_group
);
940 if (bist
& PCI_BIST_CAPABLE
)
942 if (bist
& PCI_BIST_START
)
943 printf("\tBIST is running\n");
945 printf("\tBIST result: %02x\n", bist
& PCI_BIST_CODE_MASK
);
950 case PCI_HEADER_TYPE_NORMAL
:
953 case PCI_HEADER_TYPE_BRIDGE
:
956 case PCI_HEADER_TYPE_CARDBUS
:
960 show_htype_unknown(d
);
964 /*** Machine-readable dumps ***/
967 show_hex_dump(struct device
*d
)
971 if (d
->no_config_access
)
973 printf("WARNING: Cannot show hex-dump of the config space\n");
977 cnt
= d
->config_cached
;
978 if (opt_hex
>= 3 && config_fetch(d
, cnt
, 256-cnt
))
981 if (opt_hex
>= 4 && config_fetch(d
, 256, 4096-256))
985 for (i
=0; i
<cnt
; i
++)
989 printf(" %02x", get_conf_byte(d
, i
));
996 print_shell_escaped(char *c
)
1001 if (*c
== '"' || *c
== '\\')
1009 show_machine(struct device
*d
)
1011 struct pci_dev
*p
= d
->dev
;
1012 char classbuf
[128], vendbuf
[128], devbuf
[128], svbuf
[128], sdbuf
[128];
1013 char *dt_node
, *iommu_group
;
1017 pci_fill_info(p
, PCI_FILL_PHYS_SLOT
| PCI_FILL_NUMA_NODE
| PCI_FILL_DT_NODE
| PCI_FILL_IOMMU_GROUP
);
1018 printf((opt_machine
>= 2) ? "Slot:\t" : "Device:\t");
1021 printf("Class:\t%s\n",
1022 pci_lookup_name(pacc
, classbuf
, sizeof(classbuf
), PCI_LOOKUP_CLASS
, p
->device_class
));
1023 printf("Vendor:\t%s\n",
1024 pci_lookup_name(pacc
, vendbuf
, sizeof(vendbuf
), PCI_LOOKUP_VENDOR
, p
->vendor_id
, p
->device_id
));
1025 printf("Device:\t%s\n",
1026 pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
), PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
));
1027 if ((p
->known_fields
& PCI_FILL_SUBSYS
) &&
1028 p
->subsys_vendor_id
&& p
->subsys_vendor_id
!= 0xffff)
1030 printf("SVendor:\t%s\n",
1031 pci_lookup_name(pacc
, svbuf
, sizeof(svbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_VENDOR
, p
->subsys_vendor_id
));
1032 printf("SDevice:\t%s\n",
1033 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
));
1036 printf("PhySlot:\t%s\n", p
->phy_slot
);
1037 if ((p
->known_fields
& PCI_FILL_CLASS_EXT
) && p
->rev_id
)
1038 printf("Rev:\t%02x\n", p
->rev_id
);
1039 if (p
->known_fields
& PCI_FILL_CLASS_EXT
)
1040 printf("ProgIf:\t%02x\n", p
->prog_if
);
1042 show_kernel_machine(d
);
1043 if (p
->numa_node
!= -1)
1044 printf("NUMANode:\t%d\n", p
->numa_node
);
1045 if (dt_node
= pci_get_string_property(p
, PCI_FILL_DT_NODE
))
1046 printf("DTNode:\t%s\n", dt_node
);
1047 if (iommu_group
= pci_get_string_property(p
, PCI_FILL_IOMMU_GROUP
))
1048 printf("IOMMUGroup:\t%s\n", iommu_group
);
1053 print_shell_escaped(pci_lookup_name(pacc
, classbuf
, sizeof(classbuf
), PCI_LOOKUP_CLASS
, p
->device_class
));
1054 print_shell_escaped(pci_lookup_name(pacc
, vendbuf
, sizeof(vendbuf
), PCI_LOOKUP_VENDOR
, p
->vendor_id
, p
->device_id
));
1055 print_shell_escaped(pci_lookup_name(pacc
, devbuf
, sizeof(devbuf
), PCI_LOOKUP_DEVICE
, p
->vendor_id
, p
->device_id
));
1056 if ((p
->known_fields
& PCI_FILL_CLASS_EXT
) && p
->rev_id
)
1057 printf(" -r%02x", p
->rev_id
);
1058 if (p
->known_fields
& PCI_FILL_CLASS_EXT
)
1059 printf(" -p%02x", p
->prog_if
);
1060 if ((p
->known_fields
& PCI_FILL_SUBSYS
) &&
1061 p
->subsys_vendor_id
&& p
->subsys_vendor_id
!= 0xffff)
1063 print_shell_escaped(pci_lookup_name(pacc
, svbuf
, sizeof(svbuf
), PCI_LOOKUP_SUBSYSTEM
| PCI_LOOKUP_VENDOR
, p
->subsys_vendor_id
));
1064 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
));
1067 printf(" \"\" \"\"");
1072 /*** Main show function ***/
1075 show_device(struct device
*d
)
1085 if (opt_kernel
|| verbose
)
1090 if (verbose
|| opt_hex
)
1099 for (d
=first_dev
; d
; d
=d
->next
)
1100 if (pci_filter_match(&filter
, d
->dev
))
1107 main(int argc
, char **argv
)
1112 if (argc
== 2 && !strcmp(argv
[1], "--version"))
1114 puts("lspci version " PCIUTILS_VERSION
);
1120 pci_filter_init(pacc
, &filter
);
1122 while ((i
= getopt(argc
, argv
, options
)) != -1)
1126 pacc
->numeric_ids
++;
1132 pacc
->buscentric
= 1;
1135 if (msg
= pci_filter_parse_slot(&filter
, optarg
))
1140 if (msg
= pci_filter_parse_id(&filter
, optarg
))
1156 pci_set_name_list_path(pacc
, optarg
, 0);
1162 opt_pcimap
= optarg
;
1185 die("DNS queries are not available in this version");
1188 if (parse_generic_option(i
, pacc
, optarg
))
1191 fprintf(stderr
, help_msg
, pacc
->id_file_name
);
1199 pacc
->id_lookup_mode
|= PCI_LOOKUP_NETWORK
;
1200 if (opt_query_dns
> 1)
1201 pacc
->id_lookup_mode
|= PCI_LOOKUP_REFRESH_CACHE
;
1204 pacc
->id_lookup_mode
|= PCI_LOOKUP_NETWORK
| PCI_LOOKUP_SKIP_LOCAL
;
1210 die("Bus mapping mode does not recognize bus topology");
1220 show_forest(opt_filter
? &filter
: NULL
);
1224 show_kernel_cleanup();
1227 return (seen_errors
? 2 : 0);