162232bf4SGerd Hoffmann /* 262232bf4SGerd Hoffmann * Virtio GPU Device 362232bf4SGerd Hoffmann * 462232bf4SGerd Hoffmann * Copyright Red Hat, Inc. 2013-2014 562232bf4SGerd Hoffmann * 662232bf4SGerd Hoffmann * Authors: 762232bf4SGerd Hoffmann * Dave Airlie <airlied@redhat.com> 862232bf4SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com> 962232bf4SGerd Hoffmann * 102e252145SGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 1162232bf4SGerd Hoffmann * See the COPYING file in the top-level directory. 1262232bf4SGerd Hoffmann */ 1362232bf4SGerd Hoffmann 149b8bfe21SPeter Maydell #include "qemu/osdep.h" 15f0353b0dSPhilippe Mathieu-Daudé #include "qemu/units.h" 1662232bf4SGerd Hoffmann #include "qemu/iov.h" 1762232bf4SGerd Hoffmann #include "ui/console.h" 1862232bf4SGerd Hoffmann #include "trace.h" 198da132a5SGerd Hoffmann #include "sysemu/dma.h" 202f780b6aSMarkus Armbruster #include "sysemu/sysemu.h" 2162232bf4SGerd Hoffmann #include "hw/virtio/virtio.h" 22ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h" 2362232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 24ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2583a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2662232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h" 271ed2cb32SGerd Hoffmann #include "hw/display/edid.h" 28a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 2903dd024fSPaolo Bonzini #include "qemu/log.h" 300b8fa32fSMarkus Armbruster #include "qemu/module.h" 315e3d741cSMarc-André Lureau #include "qapi/error.h" 3250d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3362232bf4SGerd Hoffmann 340c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 350c244e50SGerd Hoffmann 3662232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource* 3762232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); 3825c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource * 3925c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 4025c001a4SVivek Kasireddy bool require_backing, 4125c001a4SVivek Kasireddy const char *caller, uint32_t *error); 4262232bf4SGerd Hoffmann 433bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 443bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 45b8e23926SLi Qiang 462c267d66SGerd Hoffmann void virtio_gpu_update_cursor_data(VirtIOGPU *g, 4762232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 4862232bf4SGerd Hoffmann uint32_t resource_id) 4962232bf4SGerd Hoffmann { 5062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 5162232bf4SGerd Hoffmann uint32_t pixels; 52*bdd53f73SVivek Kasireddy void *data; 5362232bf4SGerd Hoffmann 5425c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, resource_id, false, 5525c001a4SVivek Kasireddy __func__, NULL); 5662232bf4SGerd Hoffmann if (!res) { 5762232bf4SGerd Hoffmann return; 5862232bf4SGerd Hoffmann } 5962232bf4SGerd Hoffmann 60*bdd53f73SVivek Kasireddy if (res->blob_size) { 61*bdd53f73SVivek Kasireddy if (res->blob_size < (s->current_cursor->width * 62*bdd53f73SVivek Kasireddy s->current_cursor->height * 4)) { 63*bdd53f73SVivek Kasireddy return; 64*bdd53f73SVivek Kasireddy } 65*bdd53f73SVivek Kasireddy data = res->blob; 66*bdd53f73SVivek Kasireddy } else { 6762232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 6862232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 6962232bf4SGerd Hoffmann return; 7062232bf4SGerd Hoffmann } 71*bdd53f73SVivek Kasireddy data = pixman_image_get_data(res->image); 72*bdd53f73SVivek Kasireddy } 7362232bf4SGerd Hoffmann 7462232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 75*bdd53f73SVivek Kasireddy memcpy(s->current_cursor->data, data, 7662232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 7762232bf4SGerd Hoffmann } 7862232bf4SGerd Hoffmann 7962232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 8062232bf4SGerd Hoffmann { 8162232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 822c267d66SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 830c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 8462232bf4SGerd Hoffmann 8550d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 8662232bf4SGerd Hoffmann return; 8762232bf4SGerd Hoffmann } 8850d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 8962232bf4SGerd Hoffmann 90e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 91e9c1b459SGerd Hoffmann cursor->pos.x, 92e9c1b459SGerd Hoffmann cursor->pos.y, 93e9c1b459SGerd Hoffmann move ? "move" : "update", 94e9c1b459SGerd Hoffmann cursor->resource_id); 95e9c1b459SGerd Hoffmann 960c244e50SGerd Hoffmann if (!move) { 9762232bf4SGerd Hoffmann if (!s->current_cursor) { 9862232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 9962232bf4SGerd Hoffmann } 10062232bf4SGerd Hoffmann 10162232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 10262232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 10362232bf4SGerd Hoffmann 10462232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 1052c267d66SGerd Hoffmann vgc->update_cursor_data(g, s, cursor->resource_id); 10662232bf4SGerd Hoffmann } 10762232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1080c244e50SGerd Hoffmann 1090c244e50SGerd Hoffmann s->cursor = *cursor; 1100c244e50SGerd Hoffmann } else { 1110c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1120c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 11362232bf4SGerd Hoffmann } 11462232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 11562232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 11662232bf4SGerd Hoffmann } 11762232bf4SGerd Hoffmann 11862232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 11962232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 12062232bf4SGerd Hoffmann { 12162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12262232bf4SGerd Hoffmann 12362232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12462232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 12562232bf4SGerd Hoffmann return res; 12662232bf4SGerd Hoffmann } 12762232bf4SGerd Hoffmann } 12862232bf4SGerd Hoffmann return NULL; 12962232bf4SGerd Hoffmann } 13062232bf4SGerd Hoffmann 13125c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource * 13225c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 13325c001a4SVivek Kasireddy bool require_backing, 13425c001a4SVivek Kasireddy const char *caller, uint32_t *error) 13525c001a4SVivek Kasireddy { 13625c001a4SVivek Kasireddy struct virtio_gpu_simple_resource *res; 13725c001a4SVivek Kasireddy 13825c001a4SVivek Kasireddy res = virtio_gpu_find_resource(g, resource_id); 13925c001a4SVivek Kasireddy if (!res) { 14025c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid resource specified %d\n", 14125c001a4SVivek Kasireddy caller, resource_id); 14225c001a4SVivek Kasireddy if (error) { 14325c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 14425c001a4SVivek Kasireddy } 14525c001a4SVivek Kasireddy return NULL; 14625c001a4SVivek Kasireddy } 14725c001a4SVivek Kasireddy 14825c001a4SVivek Kasireddy if (require_backing) { 149e0933d91SVivek Kasireddy if (!res->iov || (!res->image && !res->blob)) { 15025c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: no backing storage %d\n", 15125c001a4SVivek Kasireddy caller, resource_id); 15225c001a4SVivek Kasireddy if (error) { 15325c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 15425c001a4SVivek Kasireddy } 15525c001a4SVivek Kasireddy return NULL; 15625c001a4SVivek Kasireddy } 15725c001a4SVivek Kasireddy } 15825c001a4SVivek Kasireddy 15925c001a4SVivek Kasireddy return res; 16025c001a4SVivek Kasireddy } 16125c001a4SVivek Kasireddy 16262232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 16362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16562232bf4SGerd Hoffmann size_t resp_len) 16662232bf4SGerd Hoffmann { 16762232bf4SGerd Hoffmann size_t s; 16862232bf4SGerd Hoffmann 16962232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 17062232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 17162232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 17262232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 17362232bf4SGerd Hoffmann } 1741715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17562232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17662232bf4SGerd Hoffmann if (s != resp_len) { 17762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17862232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 17962232bf4SGerd Hoffmann __func__, s, resp_len); 18062232bf4SGerd Hoffmann } 18162232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 18262232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 18362232bf4SGerd Hoffmann cmd->finished = true; 18462232bf4SGerd Hoffmann } 18562232bf4SGerd Hoffmann 18662232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18862232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 18962232bf4SGerd Hoffmann { 19062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 19162232bf4SGerd Hoffmann 19262232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 19362232bf4SGerd Hoffmann resp.type = type; 19462232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19562232bf4SGerd Hoffmann } 19662232bf4SGerd Hoffmann 19762232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 19962232bf4SGerd Hoffmann { 20062232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 20162232bf4SGerd Hoffmann 20262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 20362232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20462232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20550d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20662232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20762232bf4SGerd Hoffmann sizeof(display_info)); 20862232bf4SGerd Hoffmann } 20962232bf4SGerd Hoffmann 2101ed2cb32SGerd Hoffmann static void 2111ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 2121ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 2131ed2cb32SGerd Hoffmann { 21450d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2151ed2cb32SGerd Hoffmann qemu_edid_info info = { 2164bf47f36SMarc-André Lureau .width_mm = b->req_state[scanout].width_mm, 2174bf47f36SMarc-André Lureau .height_mm = b->req_state[scanout].height_mm, 21850d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 21950d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 2201ed2cb32SGerd Hoffmann }; 2211ed2cb32SGerd Hoffmann 2221ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 2231ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 2241ed2cb32SGerd Hoffmann } 2251ed2cb32SGerd Hoffmann 2261ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2271ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2281ed2cb32SGerd Hoffmann { 2291ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2301ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 23150d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2321ed2cb32SGerd Hoffmann 2331ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2341ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2351ed2cb32SGerd Hoffmann 23650d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2371ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2381ed2cb32SGerd Hoffmann return; 2391ed2cb32SGerd Hoffmann } 2401ed2cb32SGerd Hoffmann 2411ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2421ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2431ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2441ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2451ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2461ed2cb32SGerd Hoffmann } 2471ed2cb32SGerd Hoffmann 248c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 249c53f5b89STao Wu uint32_t width, uint32_t height) 250c53f5b89STao Wu { 251c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 252c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 253c53f5b89STao Wu */ 254c53f5b89STao Wu 255c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 256c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 257c53f5b89STao Wu return height * stride; 258c53f5b89STao Wu } 259c53f5b89STao Wu 26062232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 26162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 26262232bf4SGerd Hoffmann { 26362232bf4SGerd Hoffmann pixman_format_code_t pformat; 26462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 26562232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26662232bf4SGerd Hoffmann 26762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2681715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 27062232bf4SGerd Hoffmann c2d.width, c2d.height); 27162232bf4SGerd Hoffmann 27262232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 27362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 27462232bf4SGerd Hoffmann __func__); 27562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27662232bf4SGerd Hoffmann return; 27762232bf4SGerd Hoffmann } 27862232bf4SGerd Hoffmann 27962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 28062232bf4SGerd Hoffmann if (res) { 28162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 28262232bf4SGerd Hoffmann __func__, c2d.resource_id); 28362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 28462232bf4SGerd Hoffmann return; 28562232bf4SGerd Hoffmann } 28662232bf4SGerd Hoffmann 28762232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28862232bf4SGerd Hoffmann 28962232bf4SGerd Hoffmann res->width = c2d.width; 29062232bf4SGerd Hoffmann res->height = c2d.height; 29162232bf4SGerd Hoffmann res->format = c2d.format; 29262232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 29362232bf4SGerd Hoffmann 29483a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 29562232bf4SGerd Hoffmann if (!pformat) { 29662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29762232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29862232bf4SGerd Hoffmann __func__, c2d.format); 299cb3a0522SLi Qiang g_free(res); 30062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 30162232bf4SGerd Hoffmann return; 30262232bf4SGerd Hoffmann } 3039b7621bcSGerd Hoffmann 304c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 30550d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 30662232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 30762232bf4SGerd Hoffmann c2d.width, 30862232bf4SGerd Hoffmann c2d.height, 30962232bf4SGerd Hoffmann NULL, 0); 3109b7621bcSGerd Hoffmann } 31162232bf4SGerd Hoffmann 31262232bf4SGerd Hoffmann if (!res->image) { 31362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 31462232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 31562232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 31662232bf4SGerd Hoffmann g_free(res); 31762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 31862232bf4SGerd Hoffmann return; 31962232bf4SGerd Hoffmann } 32062232bf4SGerd Hoffmann 32162232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3229b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 32362232bf4SGerd Hoffmann } 32462232bf4SGerd Hoffmann 325e0933d91SVivek Kasireddy static void virtio_gpu_resource_create_blob(VirtIOGPU *g, 326e0933d91SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 327e0933d91SVivek Kasireddy { 328e0933d91SVivek Kasireddy struct virtio_gpu_simple_resource *res; 329e0933d91SVivek Kasireddy struct virtio_gpu_resource_create_blob cblob; 330e0933d91SVivek Kasireddy int ret; 331e0933d91SVivek Kasireddy 332e0933d91SVivek Kasireddy VIRTIO_GPU_FILL_CMD(cblob); 333e0933d91SVivek Kasireddy virtio_gpu_create_blob_bswap(&cblob); 334e0933d91SVivek Kasireddy trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size); 335e0933d91SVivek Kasireddy 336e0933d91SVivek Kasireddy if (cblob.resource_id == 0) { 337e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 338e0933d91SVivek Kasireddy __func__); 339e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 340e0933d91SVivek Kasireddy return; 341e0933d91SVivek Kasireddy } 342e0933d91SVivek Kasireddy 343e0933d91SVivek Kasireddy res = virtio_gpu_find_resource(g, cblob.resource_id); 344e0933d91SVivek Kasireddy if (res) { 345e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 346e0933d91SVivek Kasireddy __func__, cblob.resource_id); 347e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 348e0933d91SVivek Kasireddy return; 349e0933d91SVivek Kasireddy } 350e0933d91SVivek Kasireddy 351e0933d91SVivek Kasireddy res = g_new0(struct virtio_gpu_simple_resource, 1); 352e0933d91SVivek Kasireddy res->resource_id = cblob.resource_id; 353e0933d91SVivek Kasireddy res->blob_size = cblob.size; 354e0933d91SVivek Kasireddy 355e0933d91SVivek Kasireddy if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_GUEST && 356e0933d91SVivek Kasireddy cblob.blob_flags != VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE) { 357e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid memory type\n", 358e0933d91SVivek Kasireddy __func__); 359e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 360e0933d91SVivek Kasireddy g_free(res); 361e0933d91SVivek Kasireddy return; 362e0933d91SVivek Kasireddy } 363e0933d91SVivek Kasireddy 364e0933d91SVivek Kasireddy if (res->iov) { 365e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 366e0933d91SVivek Kasireddy return; 367e0933d91SVivek Kasireddy } 368e0933d91SVivek Kasireddy 369e0933d91SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob), 370e0933d91SVivek Kasireddy cmd, &res->addrs, &res->iov, 371e0933d91SVivek Kasireddy &res->iov_cnt); 372e0933d91SVivek Kasireddy if (ret != 0) { 373e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 374e0933d91SVivek Kasireddy return; 375e0933d91SVivek Kasireddy } 376e0933d91SVivek Kasireddy 377e0933d91SVivek Kasireddy virtio_gpu_init_udmabuf(res); 378e0933d91SVivek Kasireddy QTAILQ_INSERT_HEAD(&g->reslist, res, next); 379e0933d91SVivek Kasireddy } 380e0933d91SVivek Kasireddy 381da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 382da566a18SGerd Hoffmann { 38350d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 384da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 385da566a18SGerd Hoffmann 386da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 387da566a18SGerd Hoffmann return; 388da566a18SGerd Hoffmann } 389da566a18SGerd Hoffmann 390da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 391da566a18SGerd Hoffmann if (res) { 392da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 393da566a18SGerd Hoffmann } 394da566a18SGerd Hoffmann 395ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 396da566a18SGerd Hoffmann scanout->resource_id = 0; 397da566a18SGerd Hoffmann scanout->ds = NULL; 398da566a18SGerd Hoffmann scanout->width = 0; 399da566a18SGerd Hoffmann scanout->height = 0; 400da566a18SGerd Hoffmann } 401da566a18SGerd Hoffmann 40262232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 40362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 40462232bf4SGerd Hoffmann { 4051fccd7c5SGerd Hoffmann int i; 4061fccd7c5SGerd Hoffmann 4071fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 40850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 4091fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 4101fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 4111fccd7c5SGerd Hoffmann } 4121fccd7c5SGerd Hoffmann } 4131fccd7c5SGerd Hoffmann } 4141fccd7c5SGerd Hoffmann 41532db3c63SVivek Kasireddy qemu_pixman_image_unref(res->image); 4163bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 41762232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 4189b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 41962232bf4SGerd Hoffmann g_free(res); 42062232bf4SGerd Hoffmann } 42162232bf4SGerd Hoffmann 42262232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 42362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 42462232bf4SGerd Hoffmann { 42562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 42662232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 42762232bf4SGerd Hoffmann 42862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 4291715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 43062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 43162232bf4SGerd Hoffmann 43262232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 43362232bf4SGerd Hoffmann if (!res) { 43462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 43562232bf4SGerd Hoffmann __func__, unref.resource_id); 43662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 43762232bf4SGerd Hoffmann return; 43862232bf4SGerd Hoffmann } 43962232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 44062232bf4SGerd Hoffmann } 44162232bf4SGerd Hoffmann 44262232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 44362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 44462232bf4SGerd Hoffmann { 44562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 44662232bf4SGerd Hoffmann int h; 44762232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 44862232bf4SGerd Hoffmann int bpp; 44962232bf4SGerd Hoffmann pixman_format_code_t format; 45062232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 45162232bf4SGerd Hoffmann 45262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4531715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 45462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 45562232bf4SGerd Hoffmann 45625c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, t2d.resource_id, true, 45725c001a4SVivek Kasireddy __func__, &cmd->error); 458e0933d91SVivek Kasireddy if (!res || res->blob) { 45962232bf4SGerd Hoffmann return; 46062232bf4SGerd Hoffmann } 46162232bf4SGerd Hoffmann 46262232bf4SGerd Hoffmann if (t2d.r.x > res->width || 46362232bf4SGerd Hoffmann t2d.r.y > res->height || 46462232bf4SGerd Hoffmann t2d.r.width > res->width || 46562232bf4SGerd Hoffmann t2d.r.height > res->height || 46662232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 46762232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 46862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 46962232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47062232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 47162232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 47262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 47362232bf4SGerd Hoffmann return; 47462232bf4SGerd Hoffmann } 47562232bf4SGerd Hoffmann 47662232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 477e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 47862232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 47962232bf4SGerd Hoffmann 48062232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 48162232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 48262232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 48362232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 48462232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 48562232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 48662232bf4SGerd Hoffmann 48762232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 48862232bf4SGerd Hoffmann (uint8_t *)img_data 48962232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 49062232bf4SGerd Hoffmann } 49162232bf4SGerd Hoffmann } else { 49262232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 49362232bf4SGerd Hoffmann pixman_image_get_data(res->image), 49462232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 49562232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 49662232bf4SGerd Hoffmann } 49762232bf4SGerd Hoffmann } 49862232bf4SGerd Hoffmann 49962232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 50062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 50162232bf4SGerd Hoffmann { 50262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 50362232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 50432db3c63SVivek Kasireddy struct virtio_gpu_scanout *scanout; 50562232bf4SGerd Hoffmann pixman_region16_t flush_region; 50662232bf4SGerd Hoffmann int i; 50762232bf4SGerd Hoffmann 50862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 5091715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 51062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 51162232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 51262232bf4SGerd Hoffmann 51325c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, rf.resource_id, false, 51425c001a4SVivek Kasireddy __func__, &cmd->error); 51532db3c63SVivek Kasireddy if (!res) { 51662232bf4SGerd Hoffmann return; 51762232bf4SGerd Hoffmann } 51862232bf4SGerd Hoffmann 51932db3c63SVivek Kasireddy if (res->blob) { 52032db3c63SVivek Kasireddy for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 52132db3c63SVivek Kasireddy scanout = &g->parent_obj.scanout[i]; 52232db3c63SVivek Kasireddy if (scanout->resource_id == res->resource_id && 52332db3c63SVivek Kasireddy console_has_gl(scanout->con)) { 52432db3c63SVivek Kasireddy dpy_gl_update(scanout->con, 0, 0, scanout->width, 52532db3c63SVivek Kasireddy scanout->height); 52632db3c63SVivek Kasireddy return; 52732db3c63SVivek Kasireddy } 52832db3c63SVivek Kasireddy } 52932db3c63SVivek Kasireddy } 53032db3c63SVivek Kasireddy 53132db3c63SVivek Kasireddy if (!res->blob && 53232db3c63SVivek Kasireddy (rf.r.x > res->width || 53362232bf4SGerd Hoffmann rf.r.y > res->height || 53462232bf4SGerd Hoffmann rf.r.width > res->width || 53562232bf4SGerd Hoffmann rf.r.height > res->height || 53662232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 53732db3c63SVivek Kasireddy rf.r.y + rf.r.height > res->height)) { 53862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 53962232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 54062232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 54162232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 54262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 54362232bf4SGerd Hoffmann return; 54462232bf4SGerd Hoffmann } 54562232bf4SGerd Hoffmann 54662232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 54762232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 54850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 54962232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 55062232bf4SGerd Hoffmann pixman_box16_t *extents; 55162232bf4SGerd Hoffmann 55262232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 55362232bf4SGerd Hoffmann continue; 55462232bf4SGerd Hoffmann } 55550d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 55662232bf4SGerd Hoffmann 55762232bf4SGerd Hoffmann pixman_region_init(&finalregion); 55862232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 55962232bf4SGerd Hoffmann scanout->width, scanout->height); 56062232bf4SGerd Hoffmann 56162232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 56262232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 56362232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 56462232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 56550d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 56662232bf4SGerd Hoffmann extents->x1, extents->y1, 56762232bf4SGerd Hoffmann extents->x2 - extents->x1, 56862232bf4SGerd Hoffmann extents->y2 - extents->y1); 56962232bf4SGerd Hoffmann 57062232bf4SGerd Hoffmann pixman_region_fini(®ion); 57162232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 57262232bf4SGerd Hoffmann } 57362232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 57462232bf4SGerd Hoffmann } 57562232bf4SGerd Hoffmann 576fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 577fa06e5cbSGerd Hoffmann { 578fa06e5cbSGerd Hoffmann pixman_image_unref(data); 579fa06e5cbSGerd Hoffmann } 580fa06e5cbSGerd Hoffmann 58181cd9f71SVivek Kasireddy static void virtio_gpu_update_scanout(VirtIOGPU *g, 58281cd9f71SVivek Kasireddy uint32_t scanout_id, 58381cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *res, 58481cd9f71SVivek Kasireddy struct virtio_gpu_rect *r) 58581cd9f71SVivek Kasireddy { 58681cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *ores; 58781cd9f71SVivek Kasireddy struct virtio_gpu_scanout *scanout; 58881cd9f71SVivek Kasireddy 58981cd9f71SVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 59081cd9f71SVivek Kasireddy ores = virtio_gpu_find_resource(g, scanout->resource_id); 59181cd9f71SVivek Kasireddy if (ores) { 59281cd9f71SVivek Kasireddy ores->scanout_bitmask &= ~(1 << scanout_id); 59381cd9f71SVivek Kasireddy } 59481cd9f71SVivek Kasireddy 59581cd9f71SVivek Kasireddy res->scanout_bitmask |= (1 << scanout_id); 59681cd9f71SVivek Kasireddy scanout->resource_id = res->resource_id; 59781cd9f71SVivek Kasireddy scanout->x = r->x; 59881cd9f71SVivek Kasireddy scanout->y = r->y; 59981cd9f71SVivek Kasireddy scanout->width = r->width; 60081cd9f71SVivek Kasireddy scanout->height = r->height; 60181cd9f71SVivek Kasireddy } 60281cd9f71SVivek Kasireddy 603e64d4b6aSVivek Kasireddy static void virtio_gpu_do_set_scanout(VirtIOGPU *g, 604e64d4b6aSVivek Kasireddy uint32_t scanout_id, 605e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer *fb, 606e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res, 607e64d4b6aSVivek Kasireddy struct virtio_gpu_rect *r, 608e64d4b6aSVivek Kasireddy uint32_t *error) 609e64d4b6aSVivek Kasireddy { 610e64d4b6aSVivek Kasireddy struct virtio_gpu_scanout *scanout; 611e64d4b6aSVivek Kasireddy uint8_t *data; 612e64d4b6aSVivek Kasireddy 613e64d4b6aSVivek Kasireddy if (scanout_id >= g->parent_obj.conf.max_outputs) { 614e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 615e64d4b6aSVivek Kasireddy __func__, scanout_id); 616e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 617e64d4b6aSVivek Kasireddy return; 618e64d4b6aSVivek Kasireddy } 619e64d4b6aSVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 620e64d4b6aSVivek Kasireddy 621e64d4b6aSVivek Kasireddy if (r->x > fb->width || 622e64d4b6aSVivek Kasireddy r->y > fb->height || 623e64d4b6aSVivek Kasireddy r->width < 16 || 624e64d4b6aSVivek Kasireddy r->height < 16 || 625e64d4b6aSVivek Kasireddy r->width > fb->width || 626e64d4b6aSVivek Kasireddy r->height > fb->height || 627e64d4b6aSVivek Kasireddy r->x + r->width > fb->width || 628e64d4b6aSVivek Kasireddy r->y + r->height > fb->height) { 629e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 630e64d4b6aSVivek Kasireddy " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n", 631e64d4b6aSVivek Kasireddy __func__, scanout_id, res->resource_id, 632e64d4b6aSVivek Kasireddy r->x, r->y, r->width, r->height, 633e64d4b6aSVivek Kasireddy fb->width, fb->height); 634e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 635e64d4b6aSVivek Kasireddy return; 636e64d4b6aSVivek Kasireddy } 637e64d4b6aSVivek Kasireddy 638e64d4b6aSVivek Kasireddy g->parent_obj.enable = 1; 63932db3c63SVivek Kasireddy 64032db3c63SVivek Kasireddy if (res->blob) { 64132db3c63SVivek Kasireddy if (console_has_gl(scanout->con)) { 64232db3c63SVivek Kasireddy if (!virtio_gpu_update_dmabuf(g, scanout_id, res, fb)) { 64332db3c63SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 64432db3c63SVivek Kasireddy return; 64532db3c63SVivek Kasireddy } 64632db3c63SVivek Kasireddy } 64732db3c63SVivek Kasireddy 64832db3c63SVivek Kasireddy data = res->blob; 64932db3c63SVivek Kasireddy } else { 650e64d4b6aSVivek Kasireddy data = (uint8_t *)pixman_image_get_data(res->image); 65132db3c63SVivek Kasireddy } 652e64d4b6aSVivek Kasireddy 653e64d4b6aSVivek Kasireddy /* create a surface for this scanout */ 65432db3c63SVivek Kasireddy if ((res->blob && !console_has_gl(scanout->con)) || 65532db3c63SVivek Kasireddy !scanout->ds || 656e64d4b6aSVivek Kasireddy surface_data(scanout->ds) != data + fb->offset || 657e64d4b6aSVivek Kasireddy scanout->width != r->width || 658e64d4b6aSVivek Kasireddy scanout->height != r->height) { 659e64d4b6aSVivek Kasireddy pixman_image_t *rect; 660e64d4b6aSVivek Kasireddy void *ptr = data + fb->offset; 661e64d4b6aSVivek Kasireddy rect = pixman_image_create_bits(fb->format, r->width, r->height, 662e64d4b6aSVivek Kasireddy ptr, fb->stride); 663e64d4b6aSVivek Kasireddy 664e64d4b6aSVivek Kasireddy if (res->image) { 665e64d4b6aSVivek Kasireddy pixman_image_ref(res->image); 666e64d4b6aSVivek Kasireddy pixman_image_set_destroy_function(rect, virtio_unref_resource, 667e64d4b6aSVivek Kasireddy res->image); 668e64d4b6aSVivek Kasireddy } 669e64d4b6aSVivek Kasireddy 670e64d4b6aSVivek Kasireddy /* realloc the surface ptr */ 671e64d4b6aSVivek Kasireddy scanout->ds = qemu_create_displaysurface_pixman(rect); 672e64d4b6aSVivek Kasireddy if (!scanout->ds) { 673e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 674e64d4b6aSVivek Kasireddy return; 675e64d4b6aSVivek Kasireddy } 676e64d4b6aSVivek Kasireddy 677e64d4b6aSVivek Kasireddy pixman_image_unref(rect); 678e64d4b6aSVivek Kasireddy dpy_gfx_replace_surface(g->parent_obj.scanout[scanout_id].con, 679e64d4b6aSVivek Kasireddy scanout->ds); 680e64d4b6aSVivek Kasireddy } 681e64d4b6aSVivek Kasireddy 68281cd9f71SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 683e64d4b6aSVivek Kasireddy } 684e64d4b6aSVivek Kasireddy 68562232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 68662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 68762232bf4SGerd Hoffmann { 688e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res; 689e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 69062232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 69162232bf4SGerd Hoffmann 69262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 6931715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 69462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 69562232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 69662232bf4SGerd Hoffmann 69762232bf4SGerd Hoffmann if (ss.resource_id == 0) { 698da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 69962232bf4SGerd Hoffmann return; 70062232bf4SGerd Hoffmann } 70162232bf4SGerd Hoffmann 70225c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 70325c001a4SVivek Kasireddy __func__, &cmd->error); 70462232bf4SGerd Hoffmann if (!res) { 70562232bf4SGerd Hoffmann return; 70662232bf4SGerd Hoffmann } 70762232bf4SGerd Hoffmann 708e64d4b6aSVivek Kasireddy fb.format = pixman_image_get_format(res->image); 709e64d4b6aSVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 710e64d4b6aSVivek Kasireddy fb.width = pixman_image_get_width(res->image); 711e64d4b6aSVivek Kasireddy fb.height = pixman_image_get_height(res->image); 712e64d4b6aSVivek Kasireddy fb.stride = pixman_image_get_stride(res->image); 713e64d4b6aSVivek Kasireddy fb.offset = ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 71462232bf4SGerd Hoffmann 715e64d4b6aSVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 716e64d4b6aSVivek Kasireddy &fb, res, &ss.r, &cmd->error); 71762232bf4SGerd Hoffmann } 71862232bf4SGerd Hoffmann 71932db3c63SVivek Kasireddy static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, 72032db3c63SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 72132db3c63SVivek Kasireddy { 72232db3c63SVivek Kasireddy struct virtio_gpu_simple_resource *res; 72332db3c63SVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 72432db3c63SVivek Kasireddy struct virtio_gpu_set_scanout_blob ss; 72532db3c63SVivek Kasireddy uint64_t fbend; 72632db3c63SVivek Kasireddy 72732db3c63SVivek Kasireddy VIRTIO_GPU_FILL_CMD(ss); 72832db3c63SVivek Kasireddy virtio_gpu_scanout_blob_bswap(&ss); 72932db3c63SVivek Kasireddy trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id, 73032db3c63SVivek Kasireddy ss.r.width, ss.r.height, ss.r.x, 73132db3c63SVivek Kasireddy ss.r.y); 73232db3c63SVivek Kasireddy 73332db3c63SVivek Kasireddy if (ss.resource_id == 0) { 73432db3c63SVivek Kasireddy virtio_gpu_disable_scanout(g, ss.scanout_id); 73532db3c63SVivek Kasireddy return; 73632db3c63SVivek Kasireddy } 73732db3c63SVivek Kasireddy 73832db3c63SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 73932db3c63SVivek Kasireddy __func__, &cmd->error); 74032db3c63SVivek Kasireddy if (!res) { 74132db3c63SVivek Kasireddy return; 74232db3c63SVivek Kasireddy } 74332db3c63SVivek Kasireddy 74432db3c63SVivek Kasireddy fb.format = virtio_gpu_get_pixman_format(ss.format); 74532db3c63SVivek Kasireddy if (!fb.format) { 74632db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 74732db3c63SVivek Kasireddy "%s: host couldn't handle guest format %d\n", 74832db3c63SVivek Kasireddy __func__, ss.format); 74932db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 75032db3c63SVivek Kasireddy return; 75132db3c63SVivek Kasireddy } 75232db3c63SVivek Kasireddy 75332db3c63SVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 75432db3c63SVivek Kasireddy fb.width = ss.width; 75532db3c63SVivek Kasireddy fb.height = ss.height; 75632db3c63SVivek Kasireddy fb.stride = ss.strides[0]; 75732db3c63SVivek Kasireddy fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 75832db3c63SVivek Kasireddy 75932db3c63SVivek Kasireddy fbend = fb.offset; 76032db3c63SVivek Kasireddy fbend += fb.stride * (ss.r.height - 1); 76132db3c63SVivek Kasireddy fbend += fb.bytes_pp * ss.r.width; 76232db3c63SVivek Kasireddy if (fbend > res->blob_size) { 76332db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 76432db3c63SVivek Kasireddy "%s: fb end out of range\n", 76532db3c63SVivek Kasireddy __func__); 76632db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 76732db3c63SVivek Kasireddy return; 76832db3c63SVivek Kasireddy } 76932db3c63SVivek Kasireddy 77032db3c63SVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 77132db3c63SVivek Kasireddy &fb, res, &ss.r, &cmd->error); 77232db3c63SVivek Kasireddy } 77332db3c63SVivek Kasireddy 7743bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 77570d37662SVivek Kasireddy uint32_t nr_entries, uint32_t offset, 77662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 7779049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 7789049f8bcSGerd Hoffmann uint32_t *niov) 77962232bf4SGerd Hoffmann { 78062232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 78162232bf4SGerd Hoffmann size_t esize, s; 7829049f8bcSGerd Hoffmann int e, v; 78362232bf4SGerd Hoffmann 78470d37662SVivek Kasireddy if (nr_entries > 16384) { 78562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 7862c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 78770d37662SVivek Kasireddy __func__, nr_entries); 78862232bf4SGerd Hoffmann return -1; 78962232bf4SGerd Hoffmann } 79062232bf4SGerd Hoffmann 79170d37662SVivek Kasireddy esize = sizeof(*ents) * nr_entries; 79262232bf4SGerd Hoffmann ents = g_malloc(esize); 79362232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 79470d37662SVivek Kasireddy offset, ents, esize); 79562232bf4SGerd Hoffmann if (s != esize) { 79662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 79762232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 79862232bf4SGerd Hoffmann __func__, s, esize); 79962232bf4SGerd Hoffmann g_free(ents); 80062232bf4SGerd Hoffmann return -1; 80162232bf4SGerd Hoffmann } 80262232bf4SGerd Hoffmann 8039049f8bcSGerd Hoffmann *iov = NULL; 8040c244e50SGerd Hoffmann if (addr) { 8059049f8bcSGerd Hoffmann *addr = NULL; 8060c244e50SGerd Hoffmann } 80770d37662SVivek Kasireddy for (e = 0, v = 0; e < nr_entries; e++) { 8089049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 8099049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 8109049f8bcSGerd Hoffmann hwaddr len; 8119049f8bcSGerd Hoffmann void *map; 8129049f8bcSGerd Hoffmann 8139049f8bcSGerd Hoffmann do { 8149049f8bcSGerd Hoffmann len = l; 8159049f8bcSGerd Hoffmann map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 8168da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 8179049f8bcSGerd Hoffmann if (!map) { 81862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 81970d37662SVivek Kasireddy " element %d\n", __func__, e); 8209049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 82162232bf4SGerd Hoffmann g_free(ents); 82262232bf4SGerd Hoffmann *iov = NULL; 8230c244e50SGerd Hoffmann if (addr) { 8240c244e50SGerd Hoffmann g_free(*addr); 8250c244e50SGerd Hoffmann *addr = NULL; 8260c244e50SGerd Hoffmann } 82762232bf4SGerd Hoffmann return -1; 82862232bf4SGerd Hoffmann } 8299049f8bcSGerd Hoffmann 8309049f8bcSGerd Hoffmann if (!(v % 16)) { 8319049f8bcSGerd Hoffmann *iov = g_realloc(*iov, sizeof(struct iovec) * (v + 16)); 8329049f8bcSGerd Hoffmann if (addr) { 8339049f8bcSGerd Hoffmann *addr = g_realloc(*addr, sizeof(uint64_t) * (v + 16)); 83462232bf4SGerd Hoffmann } 8359049f8bcSGerd Hoffmann } 8369049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 8379049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 8389049f8bcSGerd Hoffmann if (addr) { 8399049f8bcSGerd Hoffmann (*addr)[v] = a; 8409049f8bcSGerd Hoffmann } 8419049f8bcSGerd Hoffmann 8429049f8bcSGerd Hoffmann a += len; 8439049f8bcSGerd Hoffmann l -= len; 8449049f8bcSGerd Hoffmann v += 1; 8459049f8bcSGerd Hoffmann } while (l > 0); 8469049f8bcSGerd Hoffmann } 8479049f8bcSGerd Hoffmann *niov = v; 8489049f8bcSGerd Hoffmann 84962232bf4SGerd Hoffmann g_free(ents); 85062232bf4SGerd Hoffmann return 0; 85162232bf4SGerd Hoffmann } 85262232bf4SGerd Hoffmann 8533bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 8543bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 85562232bf4SGerd Hoffmann { 85662232bf4SGerd Hoffmann int i; 85762232bf4SGerd Hoffmann 85862232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 8598da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 8608da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 8618da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 86262232bf4SGerd Hoffmann iov[i].iov_len); 86362232bf4SGerd Hoffmann } 8647f3be0f2SGerd Hoffmann g_free(iov); 86562232bf4SGerd Hoffmann } 86662232bf4SGerd Hoffmann 8673bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 8683bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 86962232bf4SGerd Hoffmann { 8703bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 87162232bf4SGerd Hoffmann res->iov = NULL; 87262232bf4SGerd Hoffmann res->iov_cnt = 0; 8730c244e50SGerd Hoffmann g_free(res->addrs); 8740c244e50SGerd Hoffmann res->addrs = NULL; 875e0933d91SVivek Kasireddy 876e0933d91SVivek Kasireddy if (res->blob) { 877e0933d91SVivek Kasireddy virtio_gpu_fini_udmabuf(res); 878e0933d91SVivek Kasireddy } 87962232bf4SGerd Hoffmann } 88062232bf4SGerd Hoffmann 88162232bf4SGerd Hoffmann static void 88262232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 88362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 88462232bf4SGerd Hoffmann { 88562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 88662232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 88762232bf4SGerd Hoffmann int ret; 88862232bf4SGerd Hoffmann 88962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 8901715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 89162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 89262232bf4SGerd Hoffmann 89362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 89462232bf4SGerd Hoffmann if (!res) { 89562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 89662232bf4SGerd Hoffmann __func__, ab.resource_id); 89762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 89862232bf4SGerd Hoffmann return; 89962232bf4SGerd Hoffmann } 90062232bf4SGerd Hoffmann 901204f01b3SLi Qiang if (res->iov) { 902204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 903204f01b3SLi Qiang return; 904204f01b3SLi Qiang } 905204f01b3SLi Qiang 90670d37662SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd, 90770d37662SVivek Kasireddy &res->addrs, &res->iov, &res->iov_cnt); 90862232bf4SGerd Hoffmann if (ret != 0) { 90962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 91062232bf4SGerd Hoffmann return; 91162232bf4SGerd Hoffmann } 91262232bf4SGerd Hoffmann } 91362232bf4SGerd Hoffmann 91462232bf4SGerd Hoffmann static void 91562232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 91662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 91762232bf4SGerd Hoffmann { 91862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 91962232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 92062232bf4SGerd Hoffmann 92162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 9221715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 92362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 92462232bf4SGerd Hoffmann 92525c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, detach.resource_id, true, 92625c001a4SVivek Kasireddy __func__, &cmd->error); 92725c001a4SVivek Kasireddy if (!res) { 92862232bf4SGerd Hoffmann return; 92962232bf4SGerd Hoffmann } 9303bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 93162232bf4SGerd Hoffmann } 93262232bf4SGerd Hoffmann 9332f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 93462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 93562232bf4SGerd Hoffmann { 93662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 9371715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 93862232bf4SGerd Hoffmann 93962232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 94062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 94162232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 94262232bf4SGerd Hoffmann break; 9431ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 9441ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 9451ed2cb32SGerd Hoffmann break; 94662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 94762232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 94862232bf4SGerd Hoffmann break; 949e0933d91SVivek Kasireddy case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB: 950e0933d91SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 951e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 952e0933d91SVivek Kasireddy break; 953e0933d91SVivek Kasireddy } 954e0933d91SVivek Kasireddy virtio_gpu_resource_create_blob(g, cmd); 955e0933d91SVivek Kasireddy break; 95662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 95762232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 95862232bf4SGerd Hoffmann break; 95962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 96062232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 96162232bf4SGerd Hoffmann break; 96262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 96362232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 96462232bf4SGerd Hoffmann break; 96562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 96662232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 96762232bf4SGerd Hoffmann break; 96832db3c63SVivek Kasireddy case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB: 96932db3c63SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 97032db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 97132db3c63SVivek Kasireddy break; 97232db3c63SVivek Kasireddy } 97332db3c63SVivek Kasireddy virtio_gpu_set_scanout_blob(g, cmd); 97432db3c63SVivek Kasireddy break; 97562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 97662232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 97762232bf4SGerd Hoffmann break; 97862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 97962232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 98062232bf4SGerd Hoffmann break; 98162232bf4SGerd Hoffmann default: 98262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 98362232bf4SGerd Hoffmann break; 98462232bf4SGerd Hoffmann } 98562232bf4SGerd Hoffmann if (!cmd->finished) { 98662232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 98762232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 98862232bf4SGerd Hoffmann } 98962232bf4SGerd Hoffmann } 99062232bf4SGerd Hoffmann 99162232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 99262232bf4SGerd Hoffmann { 99362232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 99462232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 99562232bf4SGerd Hoffmann } 99662232bf4SGerd Hoffmann 99762232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 99862232bf4SGerd Hoffmann { 99962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 100062232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 100162232bf4SGerd Hoffmann } 100262232bf4SGerd Hoffmann 10030c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 10043eb769fdSGerd Hoffmann { 10053eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 10062f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 10073eb769fdSGerd Hoffmann 1008f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 1009f8f3c271SMarc-André Lureau return; 1010f8f3c271SMarc-André Lureau } 1011f8f3c271SMarc-André Lureau g->processing_cmdq = true; 10123eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 10133eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 10143eb769fdSGerd Hoffmann 101550d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 10160c55a1cfSGerd Hoffmann break; 10170c55a1cfSGerd Hoffmann } 1018ad341aacSMarc-André Lureau 1019ad341aacSMarc-André Lureau /* process command */ 10202f47691aSGerd Hoffmann vgc->process_cmd(g, cmd); 1021ad341aacSMarc-André Lureau 10223eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 102350d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10243eb769fdSGerd Hoffmann g->stats.requests++; 10253eb769fdSGerd Hoffmann } 10263eb769fdSGerd Hoffmann 10273eb769fdSGerd Hoffmann if (!cmd->finished) { 10283eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 10293eb769fdSGerd Hoffmann g->inflight++; 103050d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10313eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 10323eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 10333eb769fdSGerd Hoffmann } 10343eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 10353eb769fdSGerd Hoffmann } 10363eb769fdSGerd Hoffmann } else { 10373eb769fdSGerd Hoffmann g_free(cmd); 10383eb769fdSGerd Hoffmann } 10393eb769fdSGerd Hoffmann } 1040f8f3c271SMarc-André Lureau g->processing_cmdq = false; 10413eb769fdSGerd Hoffmann } 10423eb769fdSGerd Hoffmann 104362232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 104462232bf4SGerd Hoffmann { 104562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 104662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 104762232bf4SGerd Hoffmann 104862232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 104962232bf4SGerd Hoffmann return; 105062232bf4SGerd Hoffmann } 105162232bf4SGerd Hoffmann 105251b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 105351b19ebeSPaolo Bonzini while (cmd) { 105462232bf4SGerd Hoffmann cmd->vq = vq; 105562232bf4SGerd Hoffmann cmd->error = 0; 105662232bf4SGerd Hoffmann cmd->finished = false; 10573eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 105851b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 105962232bf4SGerd Hoffmann } 10609d9e1521SGerd Hoffmann 10613eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 106262232bf4SGerd Hoffmann } 106362232bf4SGerd Hoffmann 106462232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 106562232bf4SGerd Hoffmann { 106662232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 1067cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 1068cabbe8e5SGerd Hoffmann 1069cabbe8e5SGerd Hoffmann vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 107062232bf4SGerd Hoffmann } 107162232bf4SGerd Hoffmann 107262232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 107362232bf4SGerd Hoffmann { 107462232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 107551b19ebeSPaolo Bonzini VirtQueueElement *elem; 107662232bf4SGerd Hoffmann size_t s; 107762232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 107862232bf4SGerd Hoffmann 107962232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 108062232bf4SGerd Hoffmann return; 108162232bf4SGerd Hoffmann } 108251b19ebeSPaolo Bonzini for (;;) { 108351b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 108451b19ebeSPaolo Bonzini if (!elem) { 108551b19ebeSPaolo Bonzini break; 108651b19ebeSPaolo Bonzini } 108751b19ebeSPaolo Bonzini 108851b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 108962232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 109062232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 109162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 109262232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 109362232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 109462232bf4SGerd Hoffmann } else { 10951715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 109662232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 109762232bf4SGerd Hoffmann } 109851b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 109962232bf4SGerd Hoffmann virtio_notify(vdev, vq); 110051b19ebeSPaolo Bonzini g_free(elem); 110162232bf4SGerd Hoffmann } 110262232bf4SGerd Hoffmann } 110362232bf4SGerd Hoffmann 110462232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 110562232bf4SGerd Hoffmann { 110662232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 110750d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 110862232bf4SGerd Hoffmann } 110962232bf4SGerd Hoffmann 11100c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 11110c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 11120c244e50SGerd Hoffmann .version_id = 1, 11130c244e50SGerd Hoffmann .fields = (VMStateField[]) { 11140c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 11150c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 11160c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 11170c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 11180c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 11190c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 11200c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 11210c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 11220c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 11230c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 11240c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11250c244e50SGerd Hoffmann }, 11260c244e50SGerd Hoffmann }; 11270c244e50SGerd Hoffmann 11280c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 11290c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 11300c244e50SGerd Hoffmann .version_id = 1, 11310c244e50SGerd Hoffmann .fields = (VMStateField[]) { 113250d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 113350d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 113450d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 113550d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 113650d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 11370c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 11380c244e50SGerd Hoffmann struct virtio_gpu_scanout), 11390c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11400c244e50SGerd Hoffmann }, 11410c244e50SGerd Hoffmann }; 11420c244e50SGerd Hoffmann 11432c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 11443ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 11450c244e50SGerd Hoffmann { 11460c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 11470c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 11480c244e50SGerd Hoffmann int i; 11490c244e50SGerd Hoffmann 11500c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 11510c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 11520c244e50SGerd Hoffmann 11530c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 11540c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 11550c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 11560c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 11570c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 11580c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 11590c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 11600c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 11610c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 11620c244e50SGerd Hoffmann } 11630c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 11640c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 11650c244e50SGerd Hoffmann } 11660c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 11670c244e50SGerd Hoffmann 11682f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 11690c244e50SGerd Hoffmann } 11700c244e50SGerd Hoffmann 11712c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 117203fee66fSMarc-André Lureau const VMStateField *field) 11730c244e50SGerd Hoffmann { 11740c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 11750c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 11760c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 11770c244e50SGerd Hoffmann uint32_t resource_id, pformat; 11788a502efdSHalil Pasic int i; 11790c244e50SGerd Hoffmann 1180039aa5dbSPeter Maydell g->hostmem = 0; 1181039aa5dbSPeter Maydell 11820c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 11830c244e50SGerd Hoffmann while (resource_id != 0) { 1184b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1185b0ee78ffSLi Qiang if (res) { 1186b0ee78ffSLi Qiang return -EINVAL; 1187b0ee78ffSLi Qiang } 1188b0ee78ffSLi Qiang 11890c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 11900c244e50SGerd Hoffmann res->resource_id = resource_id; 11910c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 11920c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 11930c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 11940c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 11950c244e50SGerd Hoffmann 11960c244e50SGerd Hoffmann /* allocate */ 119783a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 11980c244e50SGerd Hoffmann if (!pformat) { 1199c84f0f25SPeter Maydell g_free(res); 12000c244e50SGerd Hoffmann return -EINVAL; 12010c244e50SGerd Hoffmann } 12020c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 12030c244e50SGerd Hoffmann res->width, res->height, 12040c244e50SGerd Hoffmann NULL, 0); 12050c244e50SGerd Hoffmann if (!res->image) { 1206c84f0f25SPeter Maydell g_free(res); 12070c244e50SGerd Hoffmann return -EINVAL; 12080c244e50SGerd Hoffmann } 12090c244e50SGerd Hoffmann 1210c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1211039aa5dbSPeter Maydell 12120c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 12130c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 12140c244e50SGerd Hoffmann 12150c244e50SGerd Hoffmann /* read data */ 12160c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12170c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 12180c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 12190c244e50SGerd Hoffmann } 12200c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 12210c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 12220c244e50SGerd Hoffmann 12230c244e50SGerd Hoffmann /* restore mapping */ 12240c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12250c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 12260c244e50SGerd Hoffmann res->iov[i].iov_base = 12278da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 12288da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 12293bb68f79SGerd Hoffmann 12300c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1231c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1232c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 12338da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 12348da132a5SGerd Hoffmann res->iov[i].iov_base, 1235a7f85e03SGerd Hoffmann len, 12368da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1237a7f85e03SGerd Hoffmann 0); 1238c84f0f25SPeter Maydell } 1239c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1240c84f0f25SPeter Maydell res->iov_cnt = i; 12413bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1242c84f0f25SPeter Maydell pixman_image_unref(res->image); 1243c84f0f25SPeter Maydell g_free(res); 12440c244e50SGerd Hoffmann return -EINVAL; 12450c244e50SGerd Hoffmann } 12460c244e50SGerd Hoffmann } 12470c244e50SGerd Hoffmann 12480c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1249039aa5dbSPeter Maydell g->hostmem += res->hostmem; 12500c244e50SGerd Hoffmann 12510c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 12520c244e50SGerd Hoffmann } 12530c244e50SGerd Hoffmann 12540c244e50SGerd Hoffmann /* load & apply scanout state */ 12550c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 125650d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 125750d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 12580c244e50SGerd Hoffmann if (!scanout->resource_id) { 12590c244e50SGerd Hoffmann continue; 12600c244e50SGerd Hoffmann } 12610c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 12620c244e50SGerd Hoffmann if (!res) { 12630c244e50SGerd Hoffmann return -EINVAL; 12640c244e50SGerd Hoffmann } 12650c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 12660c244e50SGerd Hoffmann if (!scanout->ds) { 12670c244e50SGerd Hoffmann return -EINVAL; 12680c244e50SGerd Hoffmann } 12690c244e50SGerd Hoffmann 12700c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 127191155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 127210750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 12730c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 127410750ee0SGerd Hoffmann } 12750c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 12760c244e50SGerd Hoffmann } 12770c244e50SGerd Hoffmann 12780c244e50SGerd Hoffmann return 0; 12790c244e50SGerd Hoffmann } 12800c244e50SGerd Hoffmann 128137f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 128262232bf4SGerd Hoffmann { 128362232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 128462232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 12859d9e1521SGerd Hoffmann 1286cce386e1SVivek Kasireddy if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { 1287cce386e1SVivek Kasireddy if (!virtio_gpu_have_udmabuf()) { 1288cce386e1SVivek Kasireddy error_setg(errp, "cannot enable blob resources without udmabuf"); 1289cce386e1SVivek Kasireddy return; 1290cce386e1SVivek Kasireddy } 1291cce386e1SVivek Kasireddy 1292cce386e1SVivek Kasireddy if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) { 1293cce386e1SVivek Kasireddy error_setg(errp, "blobs and virgl are not compatible (yet)"); 1294cce386e1SVivek Kasireddy return; 1295cce386e1SVivek Kasireddy } 1296cce386e1SVivek Kasireddy } 1297cce386e1SVivek Kasireddy 129850d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 129950d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 130050d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 130150d8e25eSMarc-André Lureau errp)) { 1302fe44dc91SAshijeet Acharya return; 1303fe44dc91SAshijeet Acharya } 1304fe44dc91SAshijeet Acharya 130550d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 130650d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 130762232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 130862232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 130962232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 13103eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 131162232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 131262232bf4SGerd Hoffmann } 131362232bf4SGerd Hoffmann 131476fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 131562232bf4SGerd Hoffmann { 131662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 131762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1318dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 131962232bf4SGerd Hoffmann 132062232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 132162232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 132262232bf4SGerd Hoffmann } 13239d9e1521SGerd Hoffmann 1324dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1325dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1326dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1327dc84ed5bSGerd Hoffmann g_free(cmd); 1328dc84ed5bSGerd Hoffmann } 1329dc84ed5bSGerd Hoffmann 1330dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1331dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1332dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1333dc84ed5bSGerd Hoffmann g->inflight--; 1334dc84ed5bSGerd Hoffmann g_free(cmd); 1335dc84ed5bSGerd Hoffmann } 1336dc84ed5bSGerd Hoffmann 133750d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 133850d8e25eSMarc-André Lureau } 133950d8e25eSMarc-André Lureau 134050d8e25eSMarc-André Lureau static void 134150d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 134250d8e25eSMarc-André Lureau { 134350d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 134450d8e25eSMarc-André Lureau 134550d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 134650d8e25eSMarc-André Lureau } 134750d8e25eSMarc-André Lureau 134850d8e25eSMarc-André Lureau static void 134950d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 135050d8e25eSMarc-André Lureau { 135150d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 135250d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 135350d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 135450d8e25eSMarc-André Lureau 135550d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 135650d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 135750d8e25eSMarc-André Lureau } 135862232bf4SGerd Hoffmann } 135962232bf4SGerd Hoffmann 13608a502efdSHalil Pasic /* 13618a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 13628a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 13638a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 13648a502efdSHalil Pasic * is saved/loaded after the core data. 13658a502efdSHalil Pasic * 13668a502efdSHalil Pasic * Because of this we need a special vmsd. 13678a502efdSHalil Pasic */ 13688a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 13698a502efdSHalil Pasic .name = "virtio-gpu", 13708a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 13718a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 13728a502efdSHalil Pasic .fields = (VMStateField[]) { 13738a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 13748a502efdSHalil Pasic { 13758a502efdSHalil Pasic .name = "virtio-gpu", 13768a502efdSHalil Pasic .info = &(const VMStateInfo) { 13778a502efdSHalil Pasic .name = "virtio-gpu", 13788a502efdSHalil Pasic .get = virtio_gpu_load, 13798a502efdSHalil Pasic .put = virtio_gpu_save, 13808a502efdSHalil Pasic }, 13818a502efdSHalil Pasic .flags = VMS_SINGLE, 13828a502efdSHalil Pasic } /* device */, 13838a502efdSHalil Pasic VMSTATE_END_OF_LIST() 13848a502efdSHalil Pasic }, 13858a502efdSHalil Pasic }; 13860fc07498SDr. David Alan Gilbert 138762232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 138850d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 138950d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 139050d8e25eSMarc-André Lureau 256 * MiB), 1391cce386e1SVivek Kasireddy DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags, 1392cce386e1SVivek Kasireddy VIRTIO_GPU_FLAG_BLOB_ENABLED, false), 139362232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 139462232bf4SGerd Hoffmann }; 139562232bf4SGerd Hoffmann 139662232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 139762232bf4SGerd Hoffmann { 139862232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 139962232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1400cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 140162232bf4SGerd Hoffmann 1402cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 14032f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd; 14042c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data; 1405cabbe8e5SGerd Hoffmann 140662232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 140750d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 140862232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 140962232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 141062232bf4SGerd Hoffmann 14110fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 14124f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 141362232bf4SGerd Hoffmann } 141462232bf4SGerd Hoffmann 141562232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 141662232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 141750d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 141862232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1419cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 142062232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 142162232bf4SGerd Hoffmann }; 142262232bf4SGerd Hoffmann 142362232bf4SGerd Hoffmann static void virtio_register_types(void) 142462232bf4SGerd Hoffmann { 142562232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 142662232bf4SGerd Hoffmann } 142762232bf4SGerd Hoffmann 142862232bf4SGerd Hoffmann type_init(virtio_register_types) 1429