From 0468fe82d32e99b6d84085e76d1e946bbe1e80ac Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Tue, 4 Oct 2022 13:21:00 +0200 Subject: pci-ids: document modern virtio-pci ids in pci.h too While being at it add a #define for the magic 0x1040 number. Signed-off-by: Gerd Hoffmann Reviewed-by: Eric Auger Message-Id: <20221004112100.301935-6-kraxel@redhat.com> --- include/hw/pci/pci.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include') diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 42c83cb5ed..d1ac308574 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -76,6 +76,7 @@ extern bool pci_available; #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 #define PCI_SUBDEVICE_ID_QEMU 0x1100 +/* legacy virtio-pci devices */ #define PCI_DEVICE_ID_VIRTIO_NET 0x1000 #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001 #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002 @@ -85,6 +86,15 @@ extern bool pci_available; #define PCI_DEVICE_ID_VIRTIO_9P 0x1009 #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012 +/* + * modern virtio-pci devices get their id assigned automatically, + * there is no need to add #defines here. It gets calculated as + * + * PCI_DEVICE_ID = PCI_DEVICE_ID_VIRTIO_10_BASE + + * virtio_bus_get_vdev_id(bus) + */ +#define PCI_DEVICE_ID_VIRTIO_10_BASE 0x1040 + #define PCI_VENDOR_ID_REDHAT 0x1b36 #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001 #define PCI_DEVICE_ID_REDHAT_SERIAL 0x0002 -- cgit v1.2.3-55-g7522