diff options
| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2010-09-06 16:46:17 +0900 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2010-09-07 20:10:04 +0300 |
| commit | f4c817e000e50e9a0db8f95ce6496628bd70733d (patch) | |
| tree | 3747b5a010f23a7ee352561a574eab7e7a4ef0d3 /hw/pci_bridge.c | |
| parent | ca77089d2d8e73283bfc73f03d954504561e1ce8 (diff) | |
pci bridge: add helper function for ssvid capability.
helper function to add ssvid capability.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci_bridge.c')
| -rw-r--r-- | hw/pci_bridge.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c index 198c3c7908..638e3b35eb 100644 --- a/hw/pci_bridge.c +++ b/hw/pci_bridge.c @@ -32,6 +32,25 @@ #include "pci_bridge.h" #include "pci_internals.h" +/* PCI bridge subsystem vendor ID helper functions */ +#define PCI_SSVID_SIZEOF 8 +#define PCI_SSVID_SVID 4 +#define PCI_SSVID_SSID 6 + +int pci_bridge_ssvid_init(PCIDevice *dev, uint8_t offset, + uint16_t svid, uint16_t ssid) +{ + int pos; + pos = pci_add_capability(dev, PCI_CAP_ID_SSVID, offset, PCI_SSVID_SIZEOF); + if (pos < 0) { + return pos; + } + + pci_set_word(dev->config + pos + PCI_SSVID_SVID, svid); + pci_set_word(dev->config + pos + PCI_SSVID_SSID, ssid); + return pos; +} + /* Accessor function to get parent bridge device from pci bus. */ PCIDevice *pci_bridge_get_device(PCIBus *bus) { |