d = xmalloc(sizeof(struct device));
memset(d, 0, sizeof(*d));
d->dev = p;
+ d->no_config_access = p->no_config_access;
d->config_cached = d->config_bufsize = 64;
d->config = xmalloc(64);
d->present = xmalloc(64);
memset(d->present, 1, 64);
- if (!pci_read_block(p, 0, d->config, 64))
+ if (!d->no_config_access && !pci_read_block(p, 0, d->config, 64))
{
- fprintf(stderr, "lspci: Unable to read the standard configuration space header of device %04x:%02x:%02x.%d\n",
- p->domain, p->bus, p->dev, p->func);
- seen_errors++;
- return NULL;
+ d->no_config_access = 1;
+ d->config_cached = d->config_bufsize = 0;
+ memset(d->present, 0, 64);
}
- if ((d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
+ if (!d->no_config_access && (d->config[PCI_HEADER_TYPE] & 0x7f) == PCI_HEADER_TYPE_CARDBUS)
{
/* For cardbus bridges, we need to fetch 64 bytes more to get the
* full standard header... */
struct pci_dev *p = d->dev;
word cmd = without_config_data ? (PCI_COMMAND_IO | PCI_COMMAND_MEMORY) : get_conf_word(d, PCI_COMMAND);
int i;
- int virtual = 0;
for (i=0; i<cnt; i++)
{
pciaddr_t pos = p->base_addr[i];
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
pciaddr_t ioflg = (p->known_fields & PCI_FILL_IO_FLAGS) ? p->flags[i] : 0;
- u32 flg = without_config_data ? ioflg_to_pciflg(ioflg) : get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
- u32 hw_lower;
+ 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);
+ u32 hw_lower = 0;
u32 hw_upper = 0;
int broken = 0;
+ int virtual = 0;
if (flg == 0xffffffff)
flg = 0;
else
putchar('\t');
- /* Read address as seen by the hardware */
- if (flg & PCI_BASE_ADDRESS_SPACE_IO)
- hw_lower = flg & PCI_BASE_ADDRESS_IO_MASK;
- else
+ /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
+ if ((p->known_fields & PCI_FILL_IO_FLAGS) && !without_config_data)
{
- hw_lower = flg & PCI_BASE_ADDRESS_MEM_MASK;
- if ((flg & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
+ /* Read address as seen by the hardware */
+ hw_lower = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ if ((hw_lower & PCI_BASE_ADDRESS_SPACE) == (ioflg_to_pciflg(ioflg) & PCI_BASE_ADDRESS_SPACE))
{
- if (i >= cnt - 1)
- broken = 1;
- else
- {
- i++;
- if (!without_config_data)
- hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i);
+ if ((ioflg & PCI_IORESOURCE_TYPE_BITS) == PCI_IORESOURCE_MEM &&
+ (hw_lower & PCI_BASE_ADDRESS_MEM_TYPE_MASK) == PCI_BASE_ADDRESS_MEM_TYPE_64)
+ {
+ if (i >= cnt - 1)
+ broken = 1;
+ else
+ hw_upper = get_conf_long(d, PCI_BASE_ADDRESS_0 + 4*i + 1);
}
+ if (pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
+ virtual = 1;
}
}
- /* Detect virtual regions, which are reported by the OS, but unassigned in the device */
- if (!without_config_data && pos && !hw_lower && !hw_upper && !(ioflg & PCI_IORESOURCE_PCI_EA_BEI))
- {
- flg = pos;
- virtual = 1;
- }
-
/* Print base address */
if (flg & PCI_BASE_ADDRESS_SPACE_IO)
{
struct pci_dev *p = d->dev;
int unknown_config_data = 0;
word class = p->device_class;
- byte htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
+ byte htype = d->no_config_access ? -1 : (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f);
byte bist;
byte max_lat, min_gnt;
char *dt_node, *iommu_group;
min_gnt = max_lat = 0;
break;
default:
+ if (!d->no_config_access)
printf("\t!!! Unknown header type %02x\n", htype);
bist = 0;
min_gnt = max_lat = 0;
{
unsigned int i, cnt;
+ if (d->no_config_access)
+ {
+ printf("WARNING: Cannot show hex-dump of the config space\n");
+ return;
+ }
+
cnt = d->config_cached;
if (opt_hex >= 3 && config_fetch(d, cnt, 256-cnt))
{