1d52c454aSMarc-André Lureau /* 2d52c454aSMarc-André Lureau * Virtio vhost-user GPU Device 3d52c454aSMarc-André Lureau * 4d52c454aSMarc-André Lureau * Copyright Red Hat, Inc. 2013-2018 5d52c454aSMarc-André Lureau * 6d52c454aSMarc-André Lureau * Authors: 7d52c454aSMarc-André Lureau * Dave Airlie <airlied@redhat.com> 8d52c454aSMarc-André Lureau * Gerd Hoffmann <kraxel@redhat.com> 9d52c454aSMarc-André Lureau * Marc-André Lureau <marcandre.lureau@redhat.com> 10d52c454aSMarc-André Lureau * 11d52c454aSMarc-André Lureau * This work is licensed under the terms of the GNU GPL, version 2 or later. 12d52c454aSMarc-André Lureau * See the COPYING file in the top-level directory. 13d52c454aSMarc-André Lureau */ 14d52c454aSMarc-André Lureau 15d52c454aSMarc-André Lureau #include <virglrenderer.h> 16d52c454aSMarc-André Lureau #include "virgl.h" 17d52c454aSMarc-André Lureau 18d52c454aSMarc-André Lureau void 19d52c454aSMarc-André Lureau vg_virgl_update_cursor_data(VuGpu *g, uint32_t resource_id, 20d52c454aSMarc-André Lureau gpointer data) 21d52c454aSMarc-André Lureau { 22d52c454aSMarc-André Lureau uint32_t width, height; 23d52c454aSMarc-André Lureau uint32_t *cursor; 24d52c454aSMarc-André Lureau 25d52c454aSMarc-André Lureau cursor = virgl_renderer_get_cursor_data(resource_id, &width, &height); 26d52c454aSMarc-André Lureau g_return_if_fail(cursor != NULL); 27d52c454aSMarc-André Lureau g_return_if_fail(width == 64); 28d52c454aSMarc-André Lureau g_return_if_fail(height == 64); 29d52c454aSMarc-André Lureau 30d52c454aSMarc-André Lureau memcpy(data, cursor, 64 * 64 * sizeof(uint32_t)); 31d52c454aSMarc-André Lureau free(cursor); 32d52c454aSMarc-André Lureau } 33d52c454aSMarc-André Lureau 34d52c454aSMarc-André Lureau static void 35d52c454aSMarc-André Lureau virgl_cmd_context_create(VuGpu *g, 36d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 37d52c454aSMarc-André Lureau { 38d52c454aSMarc-André Lureau struct virtio_gpu_ctx_create cc; 39d52c454aSMarc-André Lureau 40d52c454aSMarc-André Lureau VUGPU_FILL_CMD(cc); 41d52c454aSMarc-André Lureau 42d52c454aSMarc-André Lureau virgl_renderer_context_create(cc.hdr.ctx_id, cc.nlen, 43d52c454aSMarc-André Lureau cc.debug_name); 44d52c454aSMarc-André Lureau } 45d52c454aSMarc-André Lureau 46d52c454aSMarc-André Lureau static void 47d52c454aSMarc-André Lureau virgl_cmd_context_destroy(VuGpu *g, 48d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 49d52c454aSMarc-André Lureau { 50d52c454aSMarc-André Lureau struct virtio_gpu_ctx_destroy cd; 51d52c454aSMarc-André Lureau 52d52c454aSMarc-André Lureau VUGPU_FILL_CMD(cd); 53d52c454aSMarc-André Lureau 54d52c454aSMarc-André Lureau virgl_renderer_context_destroy(cd.hdr.ctx_id); 55d52c454aSMarc-André Lureau } 56d52c454aSMarc-André Lureau 57d52c454aSMarc-André Lureau static void 58d52c454aSMarc-André Lureau virgl_cmd_create_resource_2d(VuGpu *g, 59d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 60d52c454aSMarc-André Lureau { 61d52c454aSMarc-André Lureau struct virtio_gpu_resource_create_2d c2d; 62d52c454aSMarc-André Lureau struct virgl_renderer_resource_create_args args; 63d52c454aSMarc-André Lureau 64d52c454aSMarc-André Lureau VUGPU_FILL_CMD(c2d); 65d52c454aSMarc-André Lureau 66d52c454aSMarc-André Lureau args.handle = c2d.resource_id; 67d52c454aSMarc-André Lureau args.target = 2; 68d52c454aSMarc-André Lureau args.format = c2d.format; 69d52c454aSMarc-André Lureau args.bind = (1 << 1); 70d52c454aSMarc-André Lureau args.width = c2d.width; 71d52c454aSMarc-André Lureau args.height = c2d.height; 72d52c454aSMarc-André Lureau args.depth = 1; 73d52c454aSMarc-André Lureau args.array_size = 1; 74d52c454aSMarc-André Lureau args.last_level = 0; 75d52c454aSMarc-André Lureau args.nr_samples = 0; 76d52c454aSMarc-André Lureau args.flags = VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP; 77d52c454aSMarc-André Lureau virgl_renderer_resource_create(&args, NULL, 0); 78d52c454aSMarc-André Lureau } 79d52c454aSMarc-André Lureau 80d52c454aSMarc-André Lureau static void 81d52c454aSMarc-André Lureau virgl_cmd_create_resource_3d(VuGpu *g, 82d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 83d52c454aSMarc-André Lureau { 84d52c454aSMarc-André Lureau struct virtio_gpu_resource_create_3d c3d; 85d52c454aSMarc-André Lureau struct virgl_renderer_resource_create_args args; 86d52c454aSMarc-André Lureau 87d52c454aSMarc-André Lureau VUGPU_FILL_CMD(c3d); 88d52c454aSMarc-André Lureau 89d52c454aSMarc-André Lureau args.handle = c3d.resource_id; 90d52c454aSMarc-André Lureau args.target = c3d.target; 91d52c454aSMarc-André Lureau args.format = c3d.format; 92d52c454aSMarc-André Lureau args.bind = c3d.bind; 93d52c454aSMarc-André Lureau args.width = c3d.width; 94d52c454aSMarc-André Lureau args.height = c3d.height; 95d52c454aSMarc-André Lureau args.depth = c3d.depth; 96d52c454aSMarc-André Lureau args.array_size = c3d.array_size; 97d52c454aSMarc-André Lureau args.last_level = c3d.last_level; 98d52c454aSMarc-André Lureau args.nr_samples = c3d.nr_samples; 99d52c454aSMarc-André Lureau args.flags = c3d.flags; 100d52c454aSMarc-André Lureau virgl_renderer_resource_create(&args, NULL, 0); 101d52c454aSMarc-André Lureau } 102d52c454aSMarc-André Lureau 103d52c454aSMarc-André Lureau static void 104d52c454aSMarc-André Lureau virgl_cmd_resource_unref(VuGpu *g, 105d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 106d52c454aSMarc-André Lureau { 107d52c454aSMarc-André Lureau struct virtio_gpu_resource_unref unref; 108d52c454aSMarc-André Lureau 109d52c454aSMarc-André Lureau VUGPU_FILL_CMD(unref); 110d52c454aSMarc-André Lureau 111d52c454aSMarc-André Lureau virgl_renderer_resource_unref(unref.resource_id); 112d52c454aSMarc-André Lureau } 113d52c454aSMarc-André Lureau 114d52c454aSMarc-André Lureau /* Not yet(?) defined in standard-headers, remove when possible */ 115d52c454aSMarc-André Lureau #ifndef VIRTIO_GPU_CAPSET_VIRGL2 116d52c454aSMarc-André Lureau #define VIRTIO_GPU_CAPSET_VIRGL2 2 117d52c454aSMarc-André Lureau #endif 118d52c454aSMarc-André Lureau 119d52c454aSMarc-André Lureau static void 120d52c454aSMarc-André Lureau virgl_cmd_get_capset_info(VuGpu *g, 121d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 122d52c454aSMarc-André Lureau { 123d52c454aSMarc-André Lureau struct virtio_gpu_get_capset_info info; 124d52c454aSMarc-André Lureau struct virtio_gpu_resp_capset_info resp; 125d52c454aSMarc-André Lureau 126d52c454aSMarc-André Lureau VUGPU_FILL_CMD(info); 127d52c454aSMarc-André Lureau 128d52c454aSMarc-André Lureau if (info.capset_index == 0) { 129d52c454aSMarc-André Lureau resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL; 130d52c454aSMarc-André Lureau virgl_renderer_get_cap_set(resp.capset_id, 131d52c454aSMarc-André Lureau &resp.capset_max_version, 132d52c454aSMarc-André Lureau &resp.capset_max_size); 133d52c454aSMarc-André Lureau } else if (info.capset_index == 1) { 134d52c454aSMarc-André Lureau resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL2; 135d52c454aSMarc-André Lureau virgl_renderer_get_cap_set(resp.capset_id, 136d52c454aSMarc-André Lureau &resp.capset_max_version, 137d52c454aSMarc-André Lureau &resp.capset_max_size); 138d52c454aSMarc-André Lureau } else { 139d52c454aSMarc-André Lureau resp.capset_max_version = 0; 140d52c454aSMarc-André Lureau resp.capset_max_size = 0; 141d52c454aSMarc-André Lureau } 142d52c454aSMarc-André Lureau resp.hdr.type = VIRTIO_GPU_RESP_OK_CAPSET_INFO; 143d52c454aSMarc-André Lureau vg_ctrl_response(g, cmd, &resp.hdr, sizeof(resp)); 144d52c454aSMarc-André Lureau } 145d52c454aSMarc-André Lureau 146d52c454aSMarc-André Lureau uint32_t 147d52c454aSMarc-André Lureau vg_virgl_get_num_capsets(void) 148d52c454aSMarc-André Lureau { 149d52c454aSMarc-André Lureau uint32_t capset2_max_ver, capset2_max_size; 150d52c454aSMarc-André Lureau virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VIRGL2, 151d52c454aSMarc-André Lureau &capset2_max_ver, 152d52c454aSMarc-André Lureau &capset2_max_size); 153d52c454aSMarc-André Lureau 154d52c454aSMarc-André Lureau return capset2_max_ver ? 2 : 1; 155d52c454aSMarc-André Lureau } 156d52c454aSMarc-André Lureau 157d52c454aSMarc-André Lureau static void 158d52c454aSMarc-André Lureau virgl_cmd_get_capset(VuGpu *g, 159d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 160d52c454aSMarc-André Lureau { 161d52c454aSMarc-André Lureau struct virtio_gpu_get_capset gc; 162d52c454aSMarc-André Lureau struct virtio_gpu_resp_capset *resp; 163d52c454aSMarc-André Lureau uint32_t max_ver, max_size; 164d52c454aSMarc-André Lureau 165d52c454aSMarc-André Lureau VUGPU_FILL_CMD(gc); 166d52c454aSMarc-André Lureau 167d52c454aSMarc-André Lureau virgl_renderer_get_cap_set(gc.capset_id, &max_ver, 168d52c454aSMarc-André Lureau &max_size); 169d52c454aSMarc-André Lureau resp = g_malloc0(sizeof(*resp) + max_size); 170d52c454aSMarc-André Lureau 171d52c454aSMarc-André Lureau resp->hdr.type = VIRTIO_GPU_RESP_OK_CAPSET; 172d52c454aSMarc-André Lureau virgl_renderer_fill_caps(gc.capset_id, 173d52c454aSMarc-André Lureau gc.capset_version, 174d52c454aSMarc-André Lureau (void *)resp->capset_data); 175d52c454aSMarc-André Lureau vg_ctrl_response(g, cmd, &resp->hdr, sizeof(*resp) + max_size); 176d52c454aSMarc-André Lureau g_free(resp); 177d52c454aSMarc-André Lureau } 178d52c454aSMarc-André Lureau 179d52c454aSMarc-André Lureau static void 180d52c454aSMarc-André Lureau virgl_cmd_submit_3d(VuGpu *g, 181d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 182d52c454aSMarc-André Lureau { 183d52c454aSMarc-André Lureau struct virtio_gpu_cmd_submit cs; 184d52c454aSMarc-André Lureau void *buf; 185d52c454aSMarc-André Lureau size_t s; 186d52c454aSMarc-André Lureau 187d52c454aSMarc-André Lureau VUGPU_FILL_CMD(cs); 188d52c454aSMarc-André Lureau 189d52c454aSMarc-André Lureau buf = g_malloc(cs.size); 190d52c454aSMarc-André Lureau s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 191d52c454aSMarc-André Lureau sizeof(cs), buf, cs.size); 192d52c454aSMarc-André Lureau if (s != cs.size) { 193d52c454aSMarc-André Lureau g_critical("%s: size mismatch (%zd/%d)", __func__, s, cs.size); 194d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 195d52c454aSMarc-André Lureau goto out; 196d52c454aSMarc-André Lureau } 197d52c454aSMarc-André Lureau 198d52c454aSMarc-André Lureau virgl_renderer_submit_cmd(buf, cs.hdr.ctx_id, cs.size / 4); 199d52c454aSMarc-André Lureau 200d52c454aSMarc-André Lureau out: 201d52c454aSMarc-André Lureau g_free(buf); 202d52c454aSMarc-André Lureau } 203d52c454aSMarc-André Lureau 204d52c454aSMarc-André Lureau static void 205d52c454aSMarc-André Lureau virgl_cmd_transfer_to_host_2d(VuGpu *g, 206d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 207d52c454aSMarc-André Lureau { 208d52c454aSMarc-André Lureau struct virtio_gpu_transfer_to_host_2d t2d; 209d52c454aSMarc-André Lureau struct virtio_gpu_box box; 210d52c454aSMarc-André Lureau 211d52c454aSMarc-André Lureau VUGPU_FILL_CMD(t2d); 212d52c454aSMarc-André Lureau 213d52c454aSMarc-André Lureau box.x = t2d.r.x; 214d52c454aSMarc-André Lureau box.y = t2d.r.y; 215d52c454aSMarc-André Lureau box.z = 0; 216d52c454aSMarc-André Lureau box.w = t2d.r.width; 217d52c454aSMarc-André Lureau box.h = t2d.r.height; 218d52c454aSMarc-André Lureau box.d = 1; 219d52c454aSMarc-André Lureau 220d52c454aSMarc-André Lureau virgl_renderer_transfer_write_iov(t2d.resource_id, 221d52c454aSMarc-André Lureau 0, 222d52c454aSMarc-André Lureau 0, 223d52c454aSMarc-André Lureau 0, 224d52c454aSMarc-André Lureau 0, 225d52c454aSMarc-André Lureau (struct virgl_box *)&box, 226d52c454aSMarc-André Lureau t2d.offset, NULL, 0); 227d52c454aSMarc-André Lureau } 228d52c454aSMarc-André Lureau 229d52c454aSMarc-André Lureau static void 230d52c454aSMarc-André Lureau virgl_cmd_transfer_to_host_3d(VuGpu *g, 231d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 232d52c454aSMarc-André Lureau { 233d52c454aSMarc-André Lureau struct virtio_gpu_transfer_host_3d t3d; 234d52c454aSMarc-André Lureau 235d52c454aSMarc-André Lureau VUGPU_FILL_CMD(t3d); 236d52c454aSMarc-André Lureau 237d52c454aSMarc-André Lureau virgl_renderer_transfer_write_iov(t3d.resource_id, 238d52c454aSMarc-André Lureau t3d.hdr.ctx_id, 239d52c454aSMarc-André Lureau t3d.level, 240d52c454aSMarc-André Lureau t3d.stride, 241d52c454aSMarc-André Lureau t3d.layer_stride, 242d52c454aSMarc-André Lureau (struct virgl_box *)&t3d.box, 243d52c454aSMarc-André Lureau t3d.offset, NULL, 0); 244d52c454aSMarc-André Lureau } 245d52c454aSMarc-André Lureau 246d52c454aSMarc-André Lureau static void 247d52c454aSMarc-André Lureau virgl_cmd_transfer_from_host_3d(VuGpu *g, 248d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 249d52c454aSMarc-André Lureau { 250d52c454aSMarc-André Lureau struct virtio_gpu_transfer_host_3d tf3d; 251d52c454aSMarc-André Lureau 252d52c454aSMarc-André Lureau VUGPU_FILL_CMD(tf3d); 253d52c454aSMarc-André Lureau 254d52c454aSMarc-André Lureau virgl_renderer_transfer_read_iov(tf3d.resource_id, 255d52c454aSMarc-André Lureau tf3d.hdr.ctx_id, 256d52c454aSMarc-André Lureau tf3d.level, 257d52c454aSMarc-André Lureau tf3d.stride, 258d52c454aSMarc-André Lureau tf3d.layer_stride, 259d52c454aSMarc-André Lureau (struct virgl_box *)&tf3d.box, 260d52c454aSMarc-André Lureau tf3d.offset, NULL, 0); 261d52c454aSMarc-André Lureau } 262d52c454aSMarc-André Lureau 263d52c454aSMarc-André Lureau static void 264d52c454aSMarc-André Lureau virgl_resource_attach_backing(VuGpu *g, 265d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 266d52c454aSMarc-André Lureau { 267d52c454aSMarc-André Lureau struct virtio_gpu_resource_attach_backing att_rb; 268d52c454aSMarc-André Lureau struct iovec *res_iovs; 269d52c454aSMarc-André Lureau int ret; 270d52c454aSMarc-André Lureau 271d52c454aSMarc-André Lureau VUGPU_FILL_CMD(att_rb); 272d52c454aSMarc-André Lureau 273d52c454aSMarc-André Lureau ret = vg_create_mapping_iov(g, &att_rb, cmd, &res_iovs); 274d52c454aSMarc-André Lureau if (ret != 0) { 275d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 276d52c454aSMarc-André Lureau return; 277d52c454aSMarc-André Lureau } 278d52c454aSMarc-André Lureau 279d52c454aSMarc-André Lureau virgl_renderer_resource_attach_iov(att_rb.resource_id, 280d52c454aSMarc-André Lureau res_iovs, att_rb.nr_entries); 281d52c454aSMarc-André Lureau } 282d52c454aSMarc-André Lureau 283d52c454aSMarc-André Lureau static void 284d52c454aSMarc-André Lureau virgl_resource_detach_backing(VuGpu *g, 285d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 286d52c454aSMarc-André Lureau { 287d52c454aSMarc-André Lureau struct virtio_gpu_resource_detach_backing detach_rb; 288d52c454aSMarc-André Lureau struct iovec *res_iovs = NULL; 289d52c454aSMarc-André Lureau int num_iovs = 0; 290d52c454aSMarc-André Lureau 291d52c454aSMarc-André Lureau VUGPU_FILL_CMD(detach_rb); 292d52c454aSMarc-André Lureau 293d52c454aSMarc-André Lureau virgl_renderer_resource_detach_iov(detach_rb.resource_id, 294d52c454aSMarc-André Lureau &res_iovs, 295d52c454aSMarc-André Lureau &num_iovs); 296d52c454aSMarc-André Lureau if (res_iovs == NULL || num_iovs == 0) { 297d52c454aSMarc-André Lureau return; 298d52c454aSMarc-André Lureau } 299d52c454aSMarc-André Lureau g_free(res_iovs); 300d52c454aSMarc-André Lureau } 301d52c454aSMarc-André Lureau 302d52c454aSMarc-André Lureau static void 303d52c454aSMarc-André Lureau virgl_cmd_set_scanout(VuGpu *g, 304d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 305d52c454aSMarc-André Lureau { 306d52c454aSMarc-André Lureau struct virtio_gpu_set_scanout ss; 307d52c454aSMarc-André Lureau struct virgl_renderer_resource_info info; 308d52c454aSMarc-André Lureau int ret; 309d52c454aSMarc-André Lureau 310d52c454aSMarc-André Lureau VUGPU_FILL_CMD(ss); 311d52c454aSMarc-André Lureau 312d52c454aSMarc-André Lureau if (ss.scanout_id >= VIRTIO_GPU_MAX_SCANOUTS) { 313d52c454aSMarc-André Lureau g_critical("%s: illegal scanout id specified %d", 314d52c454aSMarc-André Lureau __func__, ss.scanout_id); 315d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 316d52c454aSMarc-André Lureau return; 317d52c454aSMarc-André Lureau } 318d52c454aSMarc-André Lureau 319d52c454aSMarc-André Lureau memset(&info, 0, sizeof(info)); 320d52c454aSMarc-André Lureau 321d52c454aSMarc-André Lureau if (ss.resource_id && ss.r.width && ss.r.height) { 322d52c454aSMarc-André Lureau ret = virgl_renderer_resource_get_info(ss.resource_id, &info); 323d52c454aSMarc-André Lureau if (ret == -1) { 324d52c454aSMarc-André Lureau g_critical("%s: illegal resource specified %d\n", 325d52c454aSMarc-André Lureau __func__, ss.resource_id); 326d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 327d52c454aSMarc-André Lureau return; 328d52c454aSMarc-André Lureau } 329d52c454aSMarc-André Lureau 330d52c454aSMarc-André Lureau int fd = -1; 331d52c454aSMarc-André Lureau if (virgl_renderer_get_fd_for_texture(info.tex_id, &fd) < 0) { 332d52c454aSMarc-André Lureau g_critical("%s: failed to get fd for texture\n", __func__); 333d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 334d52c454aSMarc-André Lureau return; 335d52c454aSMarc-André Lureau } 336d52c454aSMarc-André Lureau assert(fd >= 0); 337d52c454aSMarc-André Lureau VhostUserGpuMsg msg = { 338d52c454aSMarc-André Lureau .request = VHOST_USER_GPU_DMABUF_SCANOUT, 339d52c454aSMarc-André Lureau .size = sizeof(VhostUserGpuDMABUFScanout), 340d52c454aSMarc-André Lureau .payload.dmabuf_scanout.scanout_id = ss.scanout_id, 341d52c454aSMarc-André Lureau .payload.dmabuf_scanout.x = ss.r.x, 342d52c454aSMarc-André Lureau .payload.dmabuf_scanout.y = ss.r.y, 343d52c454aSMarc-André Lureau .payload.dmabuf_scanout.width = ss.r.width, 344d52c454aSMarc-André Lureau .payload.dmabuf_scanout.height = ss.r.height, 345d52c454aSMarc-André Lureau .payload.dmabuf_scanout.fd_width = info.width, 346d52c454aSMarc-André Lureau .payload.dmabuf_scanout.fd_height = info.height, 347d52c454aSMarc-André Lureau .payload.dmabuf_scanout.fd_stride = info.stride, 348d52c454aSMarc-André Lureau .payload.dmabuf_scanout.fd_flags = info.flags, 349d52c454aSMarc-André Lureau .payload.dmabuf_scanout.fd_drm_fourcc = info.drm_fourcc 350d52c454aSMarc-André Lureau }; 351d52c454aSMarc-André Lureau vg_send_msg(g, &msg, fd); 352d52c454aSMarc-André Lureau close(fd); 353d52c454aSMarc-André Lureau } else { 354d52c454aSMarc-André Lureau VhostUserGpuMsg msg = { 355d52c454aSMarc-André Lureau .request = VHOST_USER_GPU_DMABUF_SCANOUT, 356d52c454aSMarc-André Lureau .size = sizeof(VhostUserGpuDMABUFScanout), 357d52c454aSMarc-André Lureau .payload.dmabuf_scanout.scanout_id = ss.scanout_id, 358d52c454aSMarc-André Lureau }; 359d52c454aSMarc-André Lureau g_debug("disable scanout"); 360d52c454aSMarc-André Lureau vg_send_msg(g, &msg, -1); 361d52c454aSMarc-André Lureau } 362d52c454aSMarc-André Lureau g->scanout[ss.scanout_id].resource_id = ss.resource_id; 363d52c454aSMarc-André Lureau } 364d52c454aSMarc-André Lureau 365d52c454aSMarc-André Lureau static void 366d52c454aSMarc-André Lureau virgl_cmd_resource_flush(VuGpu *g, 367d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 368d52c454aSMarc-André Lureau { 369d52c454aSMarc-André Lureau struct virtio_gpu_resource_flush rf; 370d52c454aSMarc-André Lureau int i; 371d52c454aSMarc-André Lureau 372d52c454aSMarc-André Lureau VUGPU_FILL_CMD(rf); 373d52c454aSMarc-André Lureau 374d52c454aSMarc-André Lureau if (!rf.resource_id) { 375d52c454aSMarc-André Lureau g_debug("bad resource id for flush..?"); 376d52c454aSMarc-André Lureau return; 377d52c454aSMarc-André Lureau } 378d52c454aSMarc-André Lureau for (i = 0; i < VIRTIO_GPU_MAX_SCANOUTS; i++) { 379d52c454aSMarc-André Lureau if (g->scanout[i].resource_id != rf.resource_id) { 380d52c454aSMarc-André Lureau continue; 381d52c454aSMarc-André Lureau } 382d52c454aSMarc-André Lureau VhostUserGpuMsg msg = { 383d52c454aSMarc-André Lureau .request = VHOST_USER_GPU_DMABUF_UPDATE, 384d52c454aSMarc-André Lureau .size = sizeof(VhostUserGpuUpdate), 385d52c454aSMarc-André Lureau .payload.update.scanout_id = i, 386d52c454aSMarc-André Lureau .payload.update.x = rf.r.x, 387d52c454aSMarc-André Lureau .payload.update.y = rf.r.y, 388d52c454aSMarc-André Lureau .payload.update.width = rf.r.width, 389d52c454aSMarc-André Lureau .payload.update.height = rf.r.height 390d52c454aSMarc-André Lureau }; 391d52c454aSMarc-André Lureau vg_send_msg(g, &msg, -1); 392d52c454aSMarc-André Lureau vg_wait_ok(g); 393d52c454aSMarc-André Lureau } 394d52c454aSMarc-André Lureau } 395d52c454aSMarc-André Lureau 396d52c454aSMarc-André Lureau static void 397d52c454aSMarc-André Lureau virgl_cmd_ctx_attach_resource(VuGpu *g, 398d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 399d52c454aSMarc-André Lureau { 400d52c454aSMarc-André Lureau struct virtio_gpu_ctx_resource att_res; 401d52c454aSMarc-André Lureau 402d52c454aSMarc-André Lureau VUGPU_FILL_CMD(att_res); 403d52c454aSMarc-André Lureau 404d52c454aSMarc-André Lureau virgl_renderer_ctx_attach_resource(att_res.hdr.ctx_id, att_res.resource_id); 405d52c454aSMarc-André Lureau } 406d52c454aSMarc-André Lureau 407d52c454aSMarc-André Lureau static void 408d52c454aSMarc-André Lureau virgl_cmd_ctx_detach_resource(VuGpu *g, 409d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd) 410d52c454aSMarc-André Lureau { 411d52c454aSMarc-André Lureau struct virtio_gpu_ctx_resource det_res; 412d52c454aSMarc-André Lureau 413d52c454aSMarc-André Lureau VUGPU_FILL_CMD(det_res); 414d52c454aSMarc-André Lureau 415d52c454aSMarc-André Lureau virgl_renderer_ctx_detach_resource(det_res.hdr.ctx_id, det_res.resource_id); 416d52c454aSMarc-André Lureau } 417d52c454aSMarc-André Lureau 418d52c454aSMarc-André Lureau void vg_virgl_process_cmd(VuGpu *g, struct virtio_gpu_ctrl_command *cmd) 419d52c454aSMarc-André Lureau { 420d52c454aSMarc-André Lureau virgl_renderer_force_ctx_0(); 421d52c454aSMarc-André Lureau switch (cmd->cmd_hdr.type) { 422d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_CTX_CREATE: 423d52c454aSMarc-André Lureau virgl_cmd_context_create(g, cmd); 424d52c454aSMarc-André Lureau break; 425d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_CTX_DESTROY: 426d52c454aSMarc-André Lureau virgl_cmd_context_destroy(g, cmd); 427d52c454aSMarc-André Lureau break; 428d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 429d52c454aSMarc-André Lureau virgl_cmd_create_resource_2d(g, cmd); 430d52c454aSMarc-André Lureau break; 431d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_CREATE_3D: 432d52c454aSMarc-André Lureau virgl_cmd_create_resource_3d(g, cmd); 433d52c454aSMarc-André Lureau break; 434d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_SUBMIT_3D: 435d52c454aSMarc-André Lureau virgl_cmd_submit_3d(g, cmd); 436d52c454aSMarc-André Lureau break; 437d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 438d52c454aSMarc-André Lureau virgl_cmd_transfer_to_host_2d(g, cmd); 439d52c454aSMarc-André Lureau break; 440d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D: 441d52c454aSMarc-André Lureau virgl_cmd_transfer_to_host_3d(g, cmd); 442d52c454aSMarc-André Lureau break; 443d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D: 444d52c454aSMarc-André Lureau virgl_cmd_transfer_from_host_3d(g, cmd); 445d52c454aSMarc-André Lureau break; 446d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 447d52c454aSMarc-André Lureau virgl_resource_attach_backing(g, cmd); 448d52c454aSMarc-André Lureau break; 449d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 450d52c454aSMarc-André Lureau virgl_resource_detach_backing(g, cmd); 451d52c454aSMarc-André Lureau break; 452d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_SET_SCANOUT: 453d52c454aSMarc-André Lureau virgl_cmd_set_scanout(g, cmd); 454d52c454aSMarc-André Lureau break; 455d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 456d52c454aSMarc-André Lureau virgl_cmd_resource_flush(g, cmd); 457d52c454aSMarc-André Lureau break; 458d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_RESOURCE_UNREF: 459d52c454aSMarc-André Lureau virgl_cmd_resource_unref(g, cmd); 460d52c454aSMarc-André Lureau break; 461d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE: 462d52c454aSMarc-André Lureau /* TODO add security */ 463d52c454aSMarc-André Lureau virgl_cmd_ctx_attach_resource(g, cmd); 464d52c454aSMarc-André Lureau break; 465d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE: 466d52c454aSMarc-André Lureau /* TODO add security */ 467d52c454aSMarc-André Lureau virgl_cmd_ctx_detach_resource(g, cmd); 468d52c454aSMarc-André Lureau break; 469d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_GET_CAPSET_INFO: 470d52c454aSMarc-André Lureau virgl_cmd_get_capset_info(g, cmd); 471d52c454aSMarc-André Lureau break; 472d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_GET_CAPSET: 473d52c454aSMarc-André Lureau virgl_cmd_get_capset(g, cmd); 474d52c454aSMarc-André Lureau break; 475d52c454aSMarc-André Lureau case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 476d52c454aSMarc-André Lureau vg_get_display_info(g, cmd); 477d52c454aSMarc-André Lureau break; 478d52c454aSMarc-André Lureau default: 479d52c454aSMarc-André Lureau g_debug("TODO handle ctrl %x\n", cmd->cmd_hdr.type); 480d52c454aSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 481d52c454aSMarc-André Lureau break; 482d52c454aSMarc-André Lureau } 483d52c454aSMarc-André Lureau 484d52c454aSMarc-André Lureau if (cmd->finished) { 485d52c454aSMarc-André Lureau return; 486d52c454aSMarc-André Lureau } 487d52c454aSMarc-André Lureau 488d52c454aSMarc-André Lureau if (cmd->error) { 489d52c454aSMarc-André Lureau g_warning("%s: ctrl 0x%x, error 0x%x\n", __func__, 490d52c454aSMarc-André Lureau cmd->cmd_hdr.type, cmd->error); 491d52c454aSMarc-André Lureau vg_ctrl_response_nodata(g, cmd, cmd->error); 492d52c454aSMarc-André Lureau return; 493d52c454aSMarc-André Lureau } 494d52c454aSMarc-André Lureau 495d52c454aSMarc-André Lureau if (!(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) { 496d52c454aSMarc-André Lureau vg_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); 497d52c454aSMarc-André Lureau return; 498d52c454aSMarc-André Lureau } 499d52c454aSMarc-André Lureau 500d52c454aSMarc-André Lureau g_debug("Creating fence id:%" PRId64 " type:%d", 501d52c454aSMarc-André Lureau cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); 502d52c454aSMarc-André Lureau virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); 503d52c454aSMarc-André Lureau } 504d52c454aSMarc-André Lureau 505d52c454aSMarc-André Lureau static void 506d52c454aSMarc-André Lureau virgl_write_fence(void *opaque, uint32_t fence) 507d52c454aSMarc-André Lureau { 508d52c454aSMarc-André Lureau VuGpu *g = opaque; 509d52c454aSMarc-André Lureau struct virtio_gpu_ctrl_command *cmd, *tmp; 510d52c454aSMarc-André Lureau 511d52c454aSMarc-André Lureau QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { 512d52c454aSMarc-André Lureau /* 513d52c454aSMarc-André Lureau * the guest can end up emitting fences out of order 514d52c454aSMarc-André Lureau * so we should check all fenced cmds not just the first one. 515d52c454aSMarc-André Lureau */ 516d52c454aSMarc-André Lureau if (cmd->cmd_hdr.fence_id > fence) { 517d52c454aSMarc-André Lureau continue; 518d52c454aSMarc-André Lureau } 519d52c454aSMarc-André Lureau g_debug("FENCE %" PRIu64, cmd->cmd_hdr.fence_id); 520d52c454aSMarc-André Lureau vg_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); 521d52c454aSMarc-André Lureau QTAILQ_REMOVE(&g->fenceq, cmd, next); 522*4ff97121SPhilippe Mathieu-Daudé free(cmd); 523d52c454aSMarc-André Lureau g->inflight--; 524d52c454aSMarc-André Lureau } 525d52c454aSMarc-André Lureau } 526d52c454aSMarc-André Lureau 527d52c454aSMarc-André Lureau #if defined(VIRGL_RENDERER_CALLBACKS_VERSION) && \ 528d52c454aSMarc-André Lureau VIRGL_RENDERER_CALLBACKS_VERSION >= 2 529d52c454aSMarc-André Lureau static int 530d52c454aSMarc-André Lureau virgl_get_drm_fd(void *opaque) 531d52c454aSMarc-André Lureau { 532d52c454aSMarc-André Lureau VuGpu *g = opaque; 533d52c454aSMarc-André Lureau 534d52c454aSMarc-André Lureau return g->drm_rnode_fd; 535d52c454aSMarc-André Lureau } 536d52c454aSMarc-André Lureau #endif 537d52c454aSMarc-André Lureau 538d52c454aSMarc-André Lureau static struct virgl_renderer_callbacks virgl_cbs = { 539d52c454aSMarc-André Lureau #if defined(VIRGL_RENDERER_CALLBACKS_VERSION) && \ 540d52c454aSMarc-André Lureau VIRGL_RENDERER_CALLBACKS_VERSION >= 2 541d52c454aSMarc-André Lureau .get_drm_fd = virgl_get_drm_fd, 542d52c454aSMarc-André Lureau .version = 2, 543d52c454aSMarc-André Lureau #else 544d52c454aSMarc-André Lureau .version = 1, 545d52c454aSMarc-André Lureau #endif 546d52c454aSMarc-André Lureau .write_fence = virgl_write_fence, 547d52c454aSMarc-André Lureau }; 548d52c454aSMarc-André Lureau 549d52c454aSMarc-André Lureau static void 550d52c454aSMarc-André Lureau vg_virgl_poll(VuDev *dev, int condition, void *data) 551d52c454aSMarc-André Lureau { 552d52c454aSMarc-André Lureau virgl_renderer_poll(); 553d52c454aSMarc-André Lureau } 554d52c454aSMarc-André Lureau 555d52c454aSMarc-André Lureau bool 556d52c454aSMarc-André Lureau vg_virgl_init(VuGpu *g) 557d52c454aSMarc-André Lureau { 558d52c454aSMarc-André Lureau int ret; 559d52c454aSMarc-André Lureau 560d52c454aSMarc-André Lureau if (g->drm_rnode_fd && virgl_cbs.version == 1) { 561d52c454aSMarc-André Lureau g_warning("virgl will use the default rendernode"); 562d52c454aSMarc-André Lureau } 563d52c454aSMarc-André Lureau 564d52c454aSMarc-André Lureau ret = virgl_renderer_init(g, 565d52c454aSMarc-André Lureau VIRGL_RENDERER_USE_EGL | 566d52c454aSMarc-André Lureau VIRGL_RENDERER_THREAD_SYNC, 567d52c454aSMarc-André Lureau &virgl_cbs); 568d52c454aSMarc-André Lureau if (ret != 0) { 569d52c454aSMarc-André Lureau return false; 570d52c454aSMarc-André Lureau } 571d52c454aSMarc-André Lureau 572d52c454aSMarc-André Lureau ret = virgl_renderer_get_poll_fd(); 573d52c454aSMarc-André Lureau if (ret != -1) { 574d52c454aSMarc-André Lureau g->renderer_source = 575d52c454aSMarc-André Lureau vug_source_new(&g->dev, ret, G_IO_IN, vg_virgl_poll, g); 576d52c454aSMarc-André Lureau } 577d52c454aSMarc-André Lureau 578d52c454aSMarc-André Lureau return true; 579d52c454aSMarc-André Lureau } 580