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Diffstat (limited to 'samples/vfio-mdev/mdpy-defs.h')
| -rw-r--r-- | samples/vfio-mdev/mdpy-defs.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/samples/vfio-mdev/mdpy-defs.h b/samples/vfio-mdev/mdpy-defs.h new file mode 100644 index 000000000000..96b3b1b49d34 --- /dev/null +++ b/samples/vfio-mdev/mdpy-defs.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Simple pci display device. + * + * Framebuffer memory is pci bar 0. + * Configuration (read-only) is in pci config space. + * Format field uses drm fourcc codes. + * ATM only DRM_FORMAT_XRGB8888 is supported. + */ + +/* pci ids */ +#define MDPY_PCI_VENDOR_ID 0x1b36 /* redhat */ +#define MDPY_PCI_DEVICE_ID 0x000f +#define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET +#define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU + +/* pci cfg space offsets for fb config (dword) */ +#define MDPY_VENDORCAP_OFFSET 0x40 +#define MDPY_VENDORCAP_SIZE 0x10 +#define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04) +#define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08) +#define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c) |