1 /* 2 * Virtio GPU Device 3 * 4 * Copyright Red Hat, Inc. 2013-2014 5 * 6 * Authors: 7 * Dave Airlie <airlied@redhat.com> 8 * Gerd Hoffmann <kraxel@redhat.com> 9 * 10 * This work is licensed under the terms of the GNU GPL, version 2 or later. 11 * See the COPYING file in the top-level directory. 12 */ 13 14 #ifndef HW_VIRTIO_GPU_BSWAP_H 15 #define HW_VIRTIO_GPU_BSWAP_H 16 17 #include "qemu/bswap.h" 18 #include "standard-headers/linux/virtio_gpu.h" 19 20 static inline void 21 virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr) 22 { 23 le32_to_cpus(&hdr->type); 24 le32_to_cpus(&hdr->flags); 25 le64_to_cpus(&hdr->fence_id); 26 le32_to_cpus(&hdr->ctx_id); 27 le32_to_cpus(&hdr->padding); 28 } 29 30 static inline void 31 virtio_gpu_bswap_32(void *ptr, size_t size) 32 { 33 #ifdef HOST_WORDS_BIGENDIAN 34 35 size_t i; 36 struct virtio_gpu_ctrl_hdr *hdr = (struct virtio_gpu_ctrl_hdr *) ptr; 37 38 virtio_gpu_ctrl_hdr_bswap(hdr); 39 40 i = sizeof(struct virtio_gpu_ctrl_hdr); 41 while (i < size) { 42 le32_to_cpus((uint32_t *)(ptr + i)); 43 i = i + sizeof(uint32_t); 44 } 45 46 #endif 47 } 48 49 static inline void 50 virtio_gpu_t2d_bswap(struct virtio_gpu_transfer_to_host_2d *t2d) 51 { 52 virtio_gpu_ctrl_hdr_bswap(&t2d->hdr); 53 le32_to_cpus(&t2d->r.x); 54 le32_to_cpus(&t2d->r.y); 55 le32_to_cpus(&t2d->r.width); 56 le32_to_cpus(&t2d->r.height); 57 le64_to_cpus(&t2d->offset); 58 le32_to_cpus(&t2d->resource_id); 59 le32_to_cpus(&t2d->padding); 60 } 61 62 #endif 63