@samitouri / QOSamiQemu
Code Commits Issues Pulls Sessions CI/CD
master
master
h 95 lines 2.28 KB
Raw
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 }
28
29 static inline void
30 virtio_gpu_bswap_32(void *ptr, size_t size)
31 {
32 #if HOST_BIG_ENDIAN
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
48 static inline void
49 virtio_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 static inline void
62 virtio_gpu_create_blob_bswap(struct virtio_gpu_resource_create_blob *cblob)
63 {
64 virtio_gpu_ctrl_hdr_bswap(&cblob->hdr);
65 le32_to_cpus(&cblob->resource_id);
66 le32_to_cpus(&cblob->blob_mem);
67 le32_to_cpus(&cblob->blob_flags);
68 le32_to_cpus(&cblob->nr_entries);
69 le64_to_cpus(&cblob->blob_id);
70 le64_to_cpus(&cblob->size);
71 }
72
73 static inline void
74 virtio_gpu_map_blob_bswap(struct virtio_gpu_resource_map_blob *mblob)
75 {
76 virtio_gpu_ctrl_hdr_bswap(&mblob->hdr);
77 le32_to_cpus(&mblob->resource_id);
78 le64_to_cpus(&mblob->offset);
79 }
80
81 static inline void
82 virtio_gpu_unmap_blob_bswap(struct virtio_gpu_resource_unmap_blob *ublob)
83 {
84 virtio_gpu_ctrl_hdr_bswap(&ublob->hdr);
85 le32_to_cpus(&ublob->resource_id);
86 }
87
88 static inline void
89 virtio_gpu_scanout_blob_bswap(struct virtio_gpu_set_scanout_blob *ssb)
90 {
91 virtio_gpu_bswap_32(ssb, sizeof(*ssb) - sizeof(ssb->offsets[3]));
92 le32_to_cpus(&ssb->offsets[3]);
93 }
94
95 #endif