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