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/*
* Virtio GPU Device
*
* Copyright Red Hat, Inc. 2013-2014
*
* Authors:
* Dave Airlie <airlied@redhat.com>
* Gerd Hoffmann <kraxel@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_VIRTIO_GPU_BSWAP_H
#define HW_VIRTIO_GPU_BSWAP_H
#include "qemu/bswap.h"
#include "standard-headers/linux/virtio_gpu.h"
static inline void
virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
{
le32_to_cpus(&hdr->type);
le32_to_cpus(&hdr->flags);
le64_to_cpus(&hdr->fence_id);
le32_to_cpus(&hdr->ctx_id);
le32_to_cpus(&hdr->padding);
}
static inline void
virtio_gpu_bswap_32(void *ptr, size_t size)
{
#ifdef HOST_WORDS_BIGENDIAN
size_t i;
struct virtio_gpu_ctrl_hdr *hdr = (struct virtio_gpu_ctrl_hdr *) ptr;
virtio_gpu_ctrl_hdr_bswap(hdr);
i = sizeof(struct virtio_gpu_ctrl_hdr);
while (i < size) {
le32_to_cpus((uint32_t *)(ptr + i));
i = i + sizeof(uint32_t);
}
#endif
}
static inline void
virtio_gpu_t2d_bswap(struct virtio_gpu_transfer_to_host_2d *t2d)
{
virtio_gpu_ctrl_hdr_bswap(&t2d->hdr);
le32_to_cpus(&t2d->r.x);
le32_to_cpus(&t2d->r.y);
le32_to_cpus(&t2d->r.width);
le32_to_cpus(&t2d->r.height);
le64_to_cpus(&t2d->offset);
le32_to_cpus(&t2d->resource_id);
le32_to_cpus(&t2d->padding);
}
static inline void
virtio_gpu_create_blob_bswap(struct virtio_gpu_resource_create_blob *cblob)
{
virtio_gpu_ctrl_hdr_bswap(&cblob->hdr);
le32_to_cpus(&cblob->resource_id);
le32_to_cpus(&cblob->blob_flags);
le64_to_cpus(&cblob->size);
}
static inline void
virtio_gpu_scanout_blob_bswap(struct virtio_gpu_set_scanout_blob *ssb)
{
virtio_gpu_bswap_32(ssb, sizeof(*ssb) - sizeof(ssb->offsets[3]));
le32_to_cpus(&ssb->offsets[3]);
}
#endif
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