LXR qemu/include/hw/virtio/virtio-gpu-bswap.h

   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
  19static inline void
  20virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
  21{
  22    le32_to_cpus(&hdr->type);
  23    le32_to_cpus(&hdr->flags);
  24    le64_to_cpus(&hdr->fence_id);
  25    le32_to_cpus(&hdr->ctx_id);
  26    le32_to_cpus(&hdr->padding);
  27}
  28
  29static inline void
  30virtio_gpu_bswap_32(void *ptr, size_t size)
  31{
  32#ifdef HOST_WORDS_BIGENDIAN
  33
  34    size_t i;
  35    struct virtio_gpu_ctrl_hdr *hdr = (struct virtio_gpu_ctrl_hdr *) ptr;
  36
  37    virtio_gpu_ctrl_hdr_bswap(hdr);
  38
  39    i = sizeof(struct virtio_gpu_ctrl_hdr);
  40    while (i < size) {
  41        le32_to_cpus((uint32_t *)(ptr + i));
  42        i = i + sizeof(uint32_t);
  43    }
  44
  45#endif
  46}
  47
  48static inline void
  49virtio_gpu_t2d_bswap(struct virtio_gpu_transfer_to_host_2d *t2d)
  50{
  51    virtio_gpu_ctrl_hdr_bswap(&t2d->hdr);
  52    le32_to_cpus(&t2d->r.x);
  53    le32_to_cpus(&t2d->r.y);
  54    le32_to_cpus(&t2d->r.width);
  55    le32_to_cpus(&t2d->r.height);
  56    le64_to_cpus(&t2d->offset);
  57    le32_to_cpus(&t2d->resource_id);
  58    le32_to_cpus(&t2d->padding);
  59}
  60
  61#endif
  62