root/samples/vfio-mdev/mdpy-defs.h

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   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Simple pci display device.
   4  *
   5  * Framebuffer memory is pci bar 0.
   6  * Configuration (read-only) is in pci config space.
   7  * Format field uses drm fourcc codes.
   8  * ATM only DRM_FORMAT_XRGB8888 is supported.
   9  */
  10 
  11 /* pci ids */
  12 #define MDPY_PCI_VENDOR_ID      0x1b36 /* redhat */
  13 #define MDPY_PCI_DEVICE_ID      0x000f
  14 #define MDPY_PCI_SUBVENDOR_ID   PCI_SUBVENDOR_ID_REDHAT_QUMRANET
  15 #define MDPY_PCI_SUBDEVICE_ID   PCI_SUBDEVICE_ID_QEMU
  16 
  17 /* pci cfg space offsets for fb config (dword) */
  18 #define MDPY_VENDORCAP_OFFSET   0x40
  19 #define MDPY_VENDORCAP_SIZE     0x10
  20 #define MDPY_FORMAT_OFFSET      (MDPY_VENDORCAP_OFFSET + 0x04)
  21 #define MDPY_WIDTH_OFFSET       (MDPY_VENDORCAP_OFFSET + 0x08)
  22 #define MDPY_HEIGHT_OFFSET      (MDPY_VENDORCAP_OFFSET + 0x0c)
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