MDPY_VENDORCAP_OFFSET
#define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04)
#define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08)
#define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c)
mdev_state->vconfig[PCI_CAPABILITY_LIST] = MDPY_VENDORCAP_OFFSET;
mdev_state->vconfig[MDPY_VENDORCAP_OFFSET + 0] = 0x09; /* vendor cap */
mdev_state->vconfig[MDPY_VENDORCAP_OFFSET + 1] = 0x00; /* next ptr */
mdev_state->vconfig[MDPY_VENDORCAP_OFFSET + 2] = MDPY_VENDORCAP_SIZE;