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| author | Pali Rohár <pali@kernel.org> | 2021-12-20 22:56:33 +0100 |
|---|---|---|
| committer | Martin Mares <mj@ucw.cz> | 2022-02-10 13:49:35 +0100 |
| commit | 4fd10eb90b479748a6b5268701d8383b8579981f (patch) | |
| tree | beb9ec1df0ba13fcf4013b390fc00099cca5b499 | |
| parent | 2dc7b53bc955ac51a56706fc305779ef0cf78dcd (diff) | |
| download | pciutils-4fd10eb90b479748a6b5268701d8383b8579981f.tar.gz | |
libpci: generic: Implement SUBSYS also for PCI_HEADER_TYPE_BRIDGE
Subsystem ids for PCI Bridges are stored in extended capability
PCI_CAP_ID_SSVID.
| -rw-r--r-- | lib/generic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/generic.c b/lib/generic.c index 1c1f8a3..d178a44 100644 --- a/lib/generic.c +++ b/lib/generic.c @@ -86,6 +86,7 @@ void pci_generic_fill_info(struct pci_dev *d, unsigned int flags) { struct pci_access *a = d->access; + struct pci_cap *cap; if (want_fill(d, flags, PCI_FILL_IDENT)) { @@ -110,6 +111,14 @@ pci_generic_fill_info(struct pci_dev *d, unsigned int flags) d->subsys_vendor_id = pci_read_word(d, PCI_SUBSYSTEM_VENDOR_ID); d->subsys_id = pci_read_word(d, PCI_SUBSYSTEM_ID); break; + case PCI_HEADER_TYPE_BRIDGE: + cap = pci_find_cap(d, PCI_CAP_ID_SSVID, PCI_CAP_NORMAL); + if (cap) + { + d->subsys_vendor_id = pci_read_word(d, cap->addr + PCI_SSVID_VENDOR); + d->subsys_id = pci_read_word(d, cap->addr + PCI_SSVID_DEVICE); + } + break; case PCI_HEADER_TYPE_CARDBUS: d->subsys_vendor_id = pci_read_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID); d->subsys_id = pci_read_word(d, PCI_CB_SUBSYSTEM_ID); |