mirror of
https://github.com/gnuton/asuswrt-merlin.ng.git
synced 2025-05-19 16:02:36 +02:00
faefc269c3
Symlinking doesn't work due to some shell tricks used in Makefiles to extract info out of the current work directory.
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
/*
|
|
* The PCI Utilities -- Show Vendor-specific Capabilities
|
|
*
|
|
* Copyright (c) 2014 Gerd Hoffmann <kraxel@redhat.com>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "lspci.h"
|
|
|
|
static int
|
|
show_vendor_caps_virtio(struct device *d, int where, int cap)
|
|
{
|
|
int length = BITS(cap, 0, 8);
|
|
int type = BITS(cap, 8, 8);
|
|
char *tname;
|
|
|
|
if (length < 16)
|
|
return 0;
|
|
if (!config_fetch(d, where, length))
|
|
return 0;
|
|
|
|
switch (type)
|
|
{
|
|
case 1:
|
|
tname = "CommonCfg";
|
|
break;
|
|
case 2:
|
|
tname = "Notify";
|
|
break;
|
|
case 3:
|
|
tname = "ISR";
|
|
break;
|
|
case 4:
|
|
tname = "DeviceCfg";
|
|
break;
|
|
default:
|
|
tname = "<unknown>";
|
|
break;
|
|
}
|
|
|
|
printf("VirtIO: %s\n", tname);
|
|
|
|
if (verbose < 2)
|
|
return 1;
|
|
|
|
printf("\t\tBAR=%d offset=%08x size=%08x",
|
|
get_conf_byte(d, where + 4),
|
|
get_conf_long(d, where + 8),
|
|
get_conf_long(d, where + 12));
|
|
|
|
if (type == 2 && length >= 20)
|
|
printf(" multiplier=%08x", get_conf_long(d, where+16));
|
|
|
|
printf("\n");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
do_show_vendor_caps(struct device *d, int where, int cap)
|
|
{
|
|
switch (get_conf_word(d, PCI_VENDOR_ID))
|
|
{
|
|
case 0x1af4: /* Red Hat */
|
|
if (get_conf_word(d, PCI_DEVICE_ID) >= 0x1000 &&
|
|
get_conf_word(d, PCI_DEVICE_ID) <= 0x107f)
|
|
return show_vendor_caps_virtio(d, where, cap);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
show_vendor_caps(struct device *d, int where, int cap)
|
|
{
|
|
printf("Vendor Specific Information: ");
|
|
if (!do_show_vendor_caps(d, where, cap))
|
|
printf("Len=%02x <?>\n", BITS(cap, 0, 8));
|
|
}
|