235 lines
6.1 KiB
C
235 lines
6.1 KiB
C
/*
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* (C) Copyright IBM Corporation 2006
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <inttypes.h>
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#ifdef HAVE_ERR_H
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#include <err.h>
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#else
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# include <errno.h>
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# include <string.h>
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# define err(exitcode, format, args...) \
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errx(exitcode, format ": %s", ## args, strerror(errno))
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# define errx(exitcode, format, args...) \
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{ warnx(format, ## args); exit(exitcode); }
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# define warn(format, args...) \
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warnx(format ": %s", ## args, strerror(errno))
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# define warnx(format, args...) \
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fprintf(stderr, format "\n", ## args)
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#endif
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#include "pciaccess.h"
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static void
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print_pci_bridge( const struct pci_bridge_info * info )
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{
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printf( " Bus: primary=%02"PRIx8", secondary=%02"PRIx8", subordinate=%02"PRIx8", "
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"sec-latency=%"PRIu8"\n",
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info->primary_bus,
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info->secondary_bus,
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info->subordinate_bus,
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info->secondary_latency_timer );
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printf( " I/O behind bridge: %08"PRIx32"-%08"PRIx32"\n",
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info->io_base,
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info->io_limit );
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printf( " Memory behind bridge: %08"PRIx32"-%08"PRIx32"\n",
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info->mem_base,
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info->mem_limit );
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printf( " Prefetchable memory behind bridge: %08"PRIx64"-%08"PRIx64"\n",
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info->prefetch_mem_base,
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info->prefetch_mem_limit );
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}
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static void
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print_pci_device( struct pci_device * dev, int verbose )
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{
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const char * dev_name;
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const char * vend_name;
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vend_name = pci_device_get_vendor_name( dev );
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dev_name = pci_device_get_device_name( dev );
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if ( dev_name == NULL ) {
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dev_name = "Device unknown";
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}
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printf("\npci ");
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if (dev->domain != 0)
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printf("domain 0x%04x ", dev->domain);
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printf("bus 0x%04x cardnum 0x%02x function 0x%02x:"
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" vendor 0x%04x device 0x%04x\n",
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dev->bus,
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dev->dev,
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dev->func,
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dev->vendor_id,
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dev->device_id );
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if ( vend_name != NULL ) {
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printf( " %s %s\n", vend_name, dev_name );
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}
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else {
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printf( " %s\n", dev_name );
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}
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if ( verbose ) {
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unsigned i;
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uint16_t command, status;
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uint8_t bist;
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uint8_t header_type;
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uint8_t latency_timer;
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uint8_t cache_line_size;
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uint8_t max_latency;
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uint8_t min_grant;
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uint8_t int_pin;
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vend_name = pci_device_get_subvendor_name( dev );
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dev_name = pci_device_get_subdevice_name( dev );
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if ( dev_name == NULL ) {
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dev_name = "Card unknown";
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}
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printf( " CardVendor 0x%04x card 0x%04x (",
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dev->subvendor_id,
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dev->subdevice_id );
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if ( vend_name != NULL ) {
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printf( "%s, %s)\n", vend_name, dev_name );
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}
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else {
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printf( "%s)\n", dev_name );
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}
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pci_device_cfg_read_u16( dev, & command, 4 );
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pci_device_cfg_read_u16( dev, & status, 6 );
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printf( " STATUS 0x%04x COMMAND 0x%04x\n",
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status,
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command );
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printf( " CLASS 0x%02x 0x%02x 0x%02x REVISION 0x%02x\n",
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(dev->device_class >> 16) & 0x0ff,
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(dev->device_class >> 8) & 0x0ff,
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(dev->device_class >> 0) & 0x0ff,
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dev->revision );
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pci_device_cfg_read_u8( dev, & cache_line_size, 12 );
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pci_device_cfg_read_u8( dev, & latency_timer, 13 );
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pci_device_cfg_read_u8( dev, & header_type, 14 );
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pci_device_cfg_read_u8( dev, & bist, 15 );
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printf( " BIST 0x%02x HEADER 0x%02x LATENCY 0x%02x CACHE 0x%02x\n",
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bist,
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header_type,
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latency_timer,
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cache_line_size );
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pci_device_probe( dev );
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for ( i = 0 ; i < 6 ; i++ ) {
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if ( dev->regions[i].base_addr != 0 ) {
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printf( " BASE%u 0x%08"PRIxPTR" SIZE %zu %s",
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i,
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(intptr_t) dev->regions[i].base_addr,
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(size_t) dev->regions[i].size,
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(dev->regions[i].is_IO) ? "I/O" : "MEM" );
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if ( ! dev->regions[i].is_IO ) {
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if ( dev->regions[i].is_prefetchable ) {
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printf( " PREFETCHABLE" );
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}
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}
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printf( "\n" );
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}
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}
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if ( dev->rom_size ) {
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printf( " BASEROM 0x%08x addr 0x%08x\n",
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0, 0 );
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}
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pci_device_cfg_read_u8( dev, & int_pin, 61 );
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pci_device_cfg_read_u8( dev, & min_grant, 62 );
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pci_device_cfg_read_u8( dev, & max_latency, 63 );
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printf( " MAX_LAT 0x%02x MIN_GNT 0x%02x INT_PIN 0x%02x INT_LINE 0x%02x\n",
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max_latency,
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min_grant,
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int_pin,
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dev->irq );
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if ( (dev->device_class >> 16) == 0x06 ) {
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const void * info;
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if ( (info = pci_device_get_bridge_info(dev)) != NULL ) {
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print_pci_bridge( (const struct pci_bridge_info *) info );
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}
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else if ( (info = pci_device_get_pcmcia_bridge_info(dev)) != NULL ) {
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/* Nothing yet. */
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}
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}
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}
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}
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int main( int argc, char ** argv )
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{
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struct pci_device_iterator * iter;
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struct pci_device * dev;
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int ret;
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int verbose = 0;
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int c;
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int errors = 0;
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while ((c = getopt(argc, argv, "v")) != -1) {
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switch (c) {
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case 'v':
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verbose = 1;
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break;
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case '?':
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errors++;
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}
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}
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if (errors != 0) {
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fprintf(stderr, "usage: %s [-v]\n", argv[0]);
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exit(2);
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}
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ret = pci_system_init();
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if (ret != 0)
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err(1, "Couldn't initialize PCI system");
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iter = pci_slot_match_iterator_create( NULL );
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while ( (dev = pci_device_next( iter )) != NULL ) {
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print_pci_device( dev, verbose );
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}
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pci_system_cleanup();
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return 0;
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}
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