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" 17a41e2d97SMarc-André Lureau #include "sysemu/cpus.h" 1862232bf4SGerd Hoffmann #include "ui/console.h" 1962232bf4SGerd Hoffmann #include "trace.h" 208da132a5SGerd Hoffmann #include "sysemu/dma.h" 212f780b6aSMarkus Armbruster #include "sysemu/sysemu.h" 2262232bf4SGerd Hoffmann #include "hw/virtio/virtio.h" 23ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h" 2462232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 25ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2683a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2762232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.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); 45a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque); 46b8e23926SLi Qiang 472c267d66SGerd Hoffmann void virtio_gpu_update_cursor_data(VirtIOGPU *g, 4862232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 4962232bf4SGerd Hoffmann uint32_t resource_id) 5062232bf4SGerd Hoffmann { 5162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 5262232bf4SGerd Hoffmann uint32_t pixels; 53bdd53f73SVivek Kasireddy void *data; 5462232bf4SGerd Hoffmann 5525c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, resource_id, false, 5625c001a4SVivek Kasireddy __func__, NULL); 5762232bf4SGerd Hoffmann if (!res) { 5862232bf4SGerd Hoffmann return; 5962232bf4SGerd Hoffmann } 6062232bf4SGerd Hoffmann 61bdd53f73SVivek Kasireddy if (res->blob_size) { 62bdd53f73SVivek Kasireddy if (res->blob_size < (s->current_cursor->width * 63bdd53f73SVivek Kasireddy s->current_cursor->height * 4)) { 64bdd53f73SVivek Kasireddy return; 65bdd53f73SVivek Kasireddy } 66bdd53f73SVivek Kasireddy data = res->blob; 67bdd53f73SVivek Kasireddy } else { 6862232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 6962232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 7062232bf4SGerd Hoffmann return; 7162232bf4SGerd Hoffmann } 72bdd53f73SVivek Kasireddy data = pixman_image_get_data(res->image); 73bdd53f73SVivek Kasireddy } 7462232bf4SGerd Hoffmann 7562232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 76bdd53f73SVivek Kasireddy memcpy(s->current_cursor->data, data, 7762232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 7862232bf4SGerd Hoffmann } 7962232bf4SGerd Hoffmann 8062232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 8162232bf4SGerd Hoffmann { 8262232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 832c267d66SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 840c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 8562232bf4SGerd Hoffmann 8650d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 8762232bf4SGerd Hoffmann return; 8862232bf4SGerd Hoffmann } 8950d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 9062232bf4SGerd Hoffmann 91e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 92e9c1b459SGerd Hoffmann cursor->pos.x, 93e9c1b459SGerd Hoffmann cursor->pos.y, 94e9c1b459SGerd Hoffmann move ? "move" : "update", 95e9c1b459SGerd Hoffmann cursor->resource_id); 96e9c1b459SGerd Hoffmann 970c244e50SGerd Hoffmann if (!move) { 9862232bf4SGerd Hoffmann if (!s->current_cursor) { 9962232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 10062232bf4SGerd Hoffmann } 10162232bf4SGerd Hoffmann 10262232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 10362232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 10462232bf4SGerd Hoffmann 10562232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 1062c267d66SGerd Hoffmann vgc->update_cursor_data(g, s, cursor->resource_id); 10762232bf4SGerd Hoffmann } 10862232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1090c244e50SGerd Hoffmann 1100c244e50SGerd Hoffmann s->cursor = *cursor; 1110c244e50SGerd Hoffmann } else { 1120c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1130c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 11462232bf4SGerd Hoffmann } 11562232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 11662232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 11762232bf4SGerd Hoffmann } 11862232bf4SGerd Hoffmann 11962232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 12062232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 12162232bf4SGerd Hoffmann { 12262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12362232bf4SGerd Hoffmann 12462232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12562232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 12662232bf4SGerd Hoffmann return res; 12762232bf4SGerd Hoffmann } 12862232bf4SGerd Hoffmann } 12962232bf4SGerd Hoffmann return NULL; 13062232bf4SGerd Hoffmann } 13162232bf4SGerd Hoffmann 13225c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource * 13325c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 13425c001a4SVivek Kasireddy bool require_backing, 13525c001a4SVivek Kasireddy const char *caller, uint32_t *error) 13625c001a4SVivek Kasireddy { 13725c001a4SVivek Kasireddy struct virtio_gpu_simple_resource *res; 13825c001a4SVivek Kasireddy 13925c001a4SVivek Kasireddy res = virtio_gpu_find_resource(g, resource_id); 14025c001a4SVivek Kasireddy if (!res) { 14125c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid resource specified %d\n", 14225c001a4SVivek Kasireddy caller, resource_id); 14325c001a4SVivek Kasireddy if (error) { 14425c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 14525c001a4SVivek Kasireddy } 14625c001a4SVivek Kasireddy return NULL; 14725c001a4SVivek Kasireddy } 14825c001a4SVivek Kasireddy 14925c001a4SVivek Kasireddy if (require_backing) { 150e0933d91SVivek Kasireddy if (!res->iov || (!res->image && !res->blob)) { 15125c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: no backing storage %d\n", 15225c001a4SVivek Kasireddy caller, resource_id); 15325c001a4SVivek Kasireddy if (error) { 15425c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 15525c001a4SVivek Kasireddy } 15625c001a4SVivek Kasireddy return NULL; 15725c001a4SVivek Kasireddy } 15825c001a4SVivek Kasireddy } 15925c001a4SVivek Kasireddy 16025c001a4SVivek Kasireddy return res; 16125c001a4SVivek Kasireddy } 16225c001a4SVivek Kasireddy 16362232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 16462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16662232bf4SGerd Hoffmann size_t resp_len) 16762232bf4SGerd Hoffmann { 16862232bf4SGerd Hoffmann size_t s; 16962232bf4SGerd Hoffmann 17062232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 17162232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 17262232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 17362232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 17462232bf4SGerd Hoffmann } 1751715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17662232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17762232bf4SGerd Hoffmann if (s != resp_len) { 17862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17962232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 18062232bf4SGerd Hoffmann __func__, s, resp_len); 18162232bf4SGerd Hoffmann } 18262232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 18362232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 18462232bf4SGerd Hoffmann cmd->finished = true; 18562232bf4SGerd Hoffmann } 18662232bf4SGerd Hoffmann 18762232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18962232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 19062232bf4SGerd Hoffmann { 19162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 19262232bf4SGerd Hoffmann 19362232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 19462232bf4SGerd Hoffmann resp.type = type; 19562232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19662232bf4SGerd Hoffmann } 19762232bf4SGerd Hoffmann 19862232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 20062232bf4SGerd Hoffmann { 20162232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 20262232bf4SGerd Hoffmann 20362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 20462232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20562232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20650d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20762232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20862232bf4SGerd Hoffmann sizeof(display_info)); 20962232bf4SGerd Hoffmann } 21062232bf4SGerd Hoffmann 2111ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2121ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2131ed2cb32SGerd Hoffmann { 2141ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2151ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 21650d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2171ed2cb32SGerd Hoffmann 2181ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2191ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2201ed2cb32SGerd Hoffmann 22150d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2221ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2231ed2cb32SGerd Hoffmann return; 2241ed2cb32SGerd Hoffmann } 2251ed2cb32SGerd Hoffmann 2261ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2271ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2281ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 229ee3729d9SErico Nunes virtio_gpu_base_generate_edid(VIRTIO_GPU_BASE(g), get_edid.scanout, &edid); 2301ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2311ed2cb32SGerd Hoffmann } 2321ed2cb32SGerd Hoffmann 233c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 234c53f5b89STao Wu uint32_t width, uint32_t height) 235c53f5b89STao Wu { 236c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 237c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 238c53f5b89STao Wu */ 239c53f5b89STao Wu 240c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 241c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 242c53f5b89STao Wu return height * stride; 243c53f5b89STao Wu } 244c53f5b89STao Wu 2459462ff46SMarc-André Lureau #ifdef WIN32 2469462ff46SMarc-André Lureau static void 2479462ff46SMarc-André Lureau win32_pixman_image_destroy(pixman_image_t *image, void *data) 2489462ff46SMarc-André Lureau { 2499462ff46SMarc-André Lureau HANDLE handle = data; 2509462ff46SMarc-André Lureau 2519462ff46SMarc-André Lureau qemu_win32_map_free(pixman_image_get_data(image), handle, &error_warn); 2529462ff46SMarc-André Lureau } 2539462ff46SMarc-André Lureau #endif 2549462ff46SMarc-André Lureau 25562232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 25662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 25762232bf4SGerd Hoffmann { 25862232bf4SGerd Hoffmann pixman_format_code_t pformat; 25962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 26062232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26162232bf4SGerd Hoffmann 26262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2631715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 26562232bf4SGerd Hoffmann c2d.width, c2d.height); 26662232bf4SGerd Hoffmann 26762232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 26862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 26962232bf4SGerd Hoffmann __func__); 27062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27162232bf4SGerd Hoffmann return; 27262232bf4SGerd Hoffmann } 27362232bf4SGerd Hoffmann 27462232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 27562232bf4SGerd Hoffmann if (res) { 27662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 27762232bf4SGerd Hoffmann __func__, c2d.resource_id); 27862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27962232bf4SGerd Hoffmann return; 28062232bf4SGerd Hoffmann } 28162232bf4SGerd Hoffmann 28262232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28362232bf4SGerd Hoffmann 28462232bf4SGerd Hoffmann res->width = c2d.width; 28562232bf4SGerd Hoffmann res->height = c2d.height; 28662232bf4SGerd Hoffmann res->format = c2d.format; 28762232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 28862232bf4SGerd Hoffmann 28983a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 29062232bf4SGerd Hoffmann if (!pformat) { 29162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29262232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29362232bf4SGerd Hoffmann __func__, c2d.format); 294cb3a0522SLi Qiang g_free(res); 29562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 29662232bf4SGerd Hoffmann return; 29762232bf4SGerd Hoffmann } 2989b7621bcSGerd Hoffmann 299c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 30050d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 3019462ff46SMarc-André Lureau void *bits = NULL; 3029462ff46SMarc-André Lureau #ifdef WIN32 3039462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn); 3049462ff46SMarc-André Lureau if (!bits) { 3059462ff46SMarc-André Lureau goto end; 3069462ff46SMarc-André Lureau } 3079462ff46SMarc-André Lureau #endif 3089c18a923SMarc-André Lureau res->image = pixman_image_create_bits( 3099c18a923SMarc-André Lureau pformat, 31062232bf4SGerd Hoffmann c2d.width, 31162232bf4SGerd Hoffmann c2d.height, 3129c18a923SMarc-André Lureau bits, c2d.height ? res->hostmem / c2d.height : 0); 3139462ff46SMarc-André Lureau #ifdef WIN32 3149462ff46SMarc-André Lureau if (res->image) { 3159462ff46SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle); 3169462ff46SMarc-André Lureau } 3179462ff46SMarc-André Lureau #endif 3189b7621bcSGerd Hoffmann } 31962232bf4SGerd Hoffmann 3209462ff46SMarc-André Lureau #ifdef WIN32 3219462ff46SMarc-André Lureau end: 3229462ff46SMarc-André Lureau #endif 32362232bf4SGerd Hoffmann if (!res->image) { 32462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 32562232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 32662232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 32762232bf4SGerd Hoffmann g_free(res); 32862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 32962232bf4SGerd Hoffmann return; 33062232bf4SGerd Hoffmann } 33162232bf4SGerd Hoffmann 33262232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3339b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 33462232bf4SGerd Hoffmann } 33562232bf4SGerd Hoffmann 336e0933d91SVivek Kasireddy static void virtio_gpu_resource_create_blob(VirtIOGPU *g, 337e0933d91SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 338e0933d91SVivek Kasireddy { 339e0933d91SVivek Kasireddy struct virtio_gpu_simple_resource *res; 340e0933d91SVivek Kasireddy struct virtio_gpu_resource_create_blob cblob; 341e0933d91SVivek Kasireddy int ret; 342e0933d91SVivek Kasireddy 343e0933d91SVivek Kasireddy VIRTIO_GPU_FILL_CMD(cblob); 344e0933d91SVivek Kasireddy virtio_gpu_create_blob_bswap(&cblob); 345e0933d91SVivek Kasireddy trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size); 346e0933d91SVivek Kasireddy 347e0933d91SVivek Kasireddy if (cblob.resource_id == 0) { 348e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 349e0933d91SVivek Kasireddy __func__); 350e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 351e0933d91SVivek Kasireddy return; 352e0933d91SVivek Kasireddy } 353e0933d91SVivek Kasireddy 354dc2deabaSPhilippe Mathieu-Daudé if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_GUEST && 355dc2deabaSPhilippe Mathieu-Daudé cblob.blob_flags != VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE) { 356dc2deabaSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid memory type\n", 357dc2deabaSPhilippe Mathieu-Daudé __func__); 358dc2deabaSPhilippe Mathieu-Daudé cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 359dc2deabaSPhilippe Mathieu-Daudé return; 360dc2deabaSPhilippe Mathieu-Daudé } 361dc2deabaSPhilippe Mathieu-Daudé 362dc2deabaSPhilippe Mathieu-Daudé if (virtio_gpu_find_resource(g, cblob.resource_id)) { 363e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 364e0933d91SVivek Kasireddy __func__, cblob.resource_id); 365e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 366e0933d91SVivek Kasireddy return; 367e0933d91SVivek Kasireddy } 368e0933d91SVivek Kasireddy 369e0933d91SVivek Kasireddy res = g_new0(struct virtio_gpu_simple_resource, 1); 370e0933d91SVivek Kasireddy res->resource_id = cblob.resource_id; 371e0933d91SVivek Kasireddy res->blob_size = cblob.size; 372e0933d91SVivek Kasireddy 373e0933d91SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob), 374e0933d91SVivek Kasireddy cmd, &res->addrs, &res->iov, 375e0933d91SVivek Kasireddy &res->iov_cnt); 376fc4d3f35SDongwon Kim if (ret != 0) { 377e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 378dc2deabaSPhilippe Mathieu-Daudé g_free(res); 379e0933d91SVivek Kasireddy return; 380e0933d91SVivek Kasireddy } 381e0933d91SVivek Kasireddy 382e0933d91SVivek Kasireddy virtio_gpu_init_udmabuf(res); 383e0933d91SVivek Kasireddy QTAILQ_INSERT_HEAD(&g->reslist, res, next); 384e0933d91SVivek Kasireddy } 385e0933d91SVivek Kasireddy 386da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 387da566a18SGerd Hoffmann { 38850d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 389da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 390da566a18SGerd Hoffmann 391da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 392da566a18SGerd Hoffmann return; 393da566a18SGerd Hoffmann } 394da566a18SGerd Hoffmann 395da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 396da566a18SGerd Hoffmann if (res) { 397da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 398da566a18SGerd Hoffmann } 399da566a18SGerd Hoffmann 400ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 401da566a18SGerd Hoffmann scanout->resource_id = 0; 402da566a18SGerd Hoffmann scanout->ds = NULL; 403da566a18SGerd Hoffmann scanout->width = 0; 404da566a18SGerd Hoffmann scanout->height = 0; 405da566a18SGerd Hoffmann } 406da566a18SGerd Hoffmann 40762232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 40862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 40962232bf4SGerd Hoffmann { 4101fccd7c5SGerd Hoffmann int i; 4111fccd7c5SGerd Hoffmann 4121fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 41350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 4141fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 4151fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 4161fccd7c5SGerd Hoffmann } 4171fccd7c5SGerd Hoffmann } 4181fccd7c5SGerd Hoffmann } 4191fccd7c5SGerd Hoffmann 42032db3c63SVivek Kasireddy qemu_pixman_image_unref(res->image); 4213bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 42262232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 4239b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 42462232bf4SGerd Hoffmann g_free(res); 42562232bf4SGerd Hoffmann } 42662232bf4SGerd Hoffmann 42762232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 42862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 42962232bf4SGerd Hoffmann { 43062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 43162232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 43262232bf4SGerd Hoffmann 43362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 4341715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 43562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 43662232bf4SGerd Hoffmann 43762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 43862232bf4SGerd Hoffmann if (!res) { 43962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 44062232bf4SGerd Hoffmann __func__, unref.resource_id); 44162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 44262232bf4SGerd Hoffmann return; 44362232bf4SGerd Hoffmann } 44462232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 44562232bf4SGerd Hoffmann } 44662232bf4SGerd Hoffmann 44762232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 44862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 44962232bf4SGerd Hoffmann { 45062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 451b097b80bSKeqian Zhu int h, bpp; 45262232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 45362232bf4SGerd Hoffmann pixman_format_code_t format; 45462232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 455b097b80bSKeqian Zhu void *img_data; 45662232bf4SGerd Hoffmann 45762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4581715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 45962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 46062232bf4SGerd Hoffmann 46125c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, t2d.resource_id, true, 46225c001a4SVivek Kasireddy __func__, &cmd->error); 463e0933d91SVivek Kasireddy if (!res || res->blob) { 46462232bf4SGerd Hoffmann return; 46562232bf4SGerd Hoffmann } 46662232bf4SGerd Hoffmann 46762232bf4SGerd Hoffmann if (t2d.r.x > res->width || 46862232bf4SGerd Hoffmann t2d.r.y > res->height || 46962232bf4SGerd Hoffmann t2d.r.width > res->width || 47062232bf4SGerd Hoffmann t2d.r.height > res->height || 47162232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 47262232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 47362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 47462232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47562232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 47662232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 47762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 47862232bf4SGerd Hoffmann return; 47962232bf4SGerd Hoffmann } 48062232bf4SGerd Hoffmann 48162232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 482e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 48362232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 484b097b80bSKeqian Zhu img_data = pixman_image_get_data(res->image); 48562232bf4SGerd Hoffmann 486b097b80bSKeqian Zhu if (t2d.r.x || t2d.r.width != pixman_image_get_width(res->image)) { 48762232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 48862232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 48962232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 49062232bf4SGerd Hoffmann 49162232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 492b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 493b097b80bSKeqian Zhu t2d.r.width * bpp); 49462232bf4SGerd Hoffmann } 49562232bf4SGerd Hoffmann } else { 496b097b80bSKeqian Zhu src_offset = t2d.offset; 497b097b80bSKeqian Zhu dst_offset = t2d.r.y * stride + t2d.r.x * bpp; 498b097b80bSKeqian Zhu iov_to_buf(res->iov, res->iov_cnt, src_offset, 499b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 500b097b80bSKeqian Zhu stride * t2d.r.height); 50162232bf4SGerd Hoffmann } 50262232bf4SGerd Hoffmann } 50362232bf4SGerd Hoffmann 50462232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 50562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 50662232bf4SGerd Hoffmann { 50762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 50862232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 50932db3c63SVivek Kasireddy struct virtio_gpu_scanout *scanout; 51062232bf4SGerd Hoffmann pixman_region16_t flush_region; 51134e29d85SVivek Kasireddy bool within_bounds = false; 51234e29d85SVivek Kasireddy bool update_submitted = false; 51362232bf4SGerd Hoffmann int i; 51462232bf4SGerd Hoffmann 51562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 5161715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 51762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 51862232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 51962232bf4SGerd Hoffmann 52025c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, rf.resource_id, false, 52125c001a4SVivek Kasireddy __func__, &cmd->error); 52232db3c63SVivek Kasireddy if (!res) { 52362232bf4SGerd Hoffmann return; 52462232bf4SGerd Hoffmann } 52562232bf4SGerd Hoffmann 52632db3c63SVivek Kasireddy if (res->blob) { 52732db3c63SVivek Kasireddy for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 52832db3c63SVivek Kasireddy scanout = &g->parent_obj.scanout[i]; 52932db3c63SVivek Kasireddy if (scanout->resource_id == res->resource_id && 53049a99ecbSDongwon Kim rf.r.x < scanout->x + scanout->width && 53149a99ecbSDongwon Kim rf.r.x + rf.r.width >= scanout->x && 53249a99ecbSDongwon Kim rf.r.y < scanout->y + scanout->height && 53334e29d85SVivek Kasireddy rf.r.y + rf.r.height >= scanout->y) { 53434e29d85SVivek Kasireddy within_bounds = true; 53534e29d85SVivek Kasireddy 53634e29d85SVivek Kasireddy if (console_has_gl(scanout->con)) { 53732db3c63SVivek Kasireddy dpy_gl_update(scanout->con, 0, 0, scanout->width, 53832db3c63SVivek Kasireddy scanout->height); 53934e29d85SVivek Kasireddy update_submitted = true; 540e86a93f5SDongwon Kim } 541e86a93f5SDongwon Kim } 54234e29d85SVivek Kasireddy } 54334e29d85SVivek Kasireddy 54434e29d85SVivek Kasireddy if (update_submitted) { 54532db3c63SVivek Kasireddy return; 54632db3c63SVivek Kasireddy } 54734e29d85SVivek Kasireddy if (!within_bounds) { 54834e29d85SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside scanouts" 54934e29d85SVivek Kasireddy " bounds for flush %d: %d %d %d %d\n", 55034e29d85SVivek Kasireddy __func__, rf.resource_id, rf.r.x, rf.r.y, 55134e29d85SVivek Kasireddy rf.r.width, rf.r.height); 55234e29d85SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 55334e29d85SVivek Kasireddy return; 55434e29d85SVivek Kasireddy } 55534e29d85SVivek Kasireddy } 55632db3c63SVivek Kasireddy 55732db3c63SVivek Kasireddy if (!res->blob && 55832db3c63SVivek Kasireddy (rf.r.x > res->width || 55962232bf4SGerd Hoffmann rf.r.y > res->height || 56062232bf4SGerd Hoffmann rf.r.width > res->width || 56162232bf4SGerd Hoffmann rf.r.height > res->height || 56262232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 56332db3c63SVivek Kasireddy rf.r.y + rf.r.height > res->height)) { 56462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 56562232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 56662232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 56762232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 56862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 56962232bf4SGerd Hoffmann return; 57062232bf4SGerd Hoffmann } 57162232bf4SGerd Hoffmann 57262232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 57362232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 57450d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 57562232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 57662232bf4SGerd Hoffmann pixman_box16_t *extents; 57762232bf4SGerd Hoffmann 57862232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 57962232bf4SGerd Hoffmann continue; 58062232bf4SGerd Hoffmann } 58150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 58262232bf4SGerd Hoffmann 58362232bf4SGerd Hoffmann pixman_region_init(&finalregion); 58462232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 58562232bf4SGerd Hoffmann scanout->width, scanout->height); 58662232bf4SGerd Hoffmann 58762232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 58862232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 58962232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 59062232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 59150d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 59262232bf4SGerd Hoffmann extents->x1, extents->y1, 59362232bf4SGerd Hoffmann extents->x2 - extents->x1, 59462232bf4SGerd Hoffmann extents->y2 - extents->y1); 59562232bf4SGerd Hoffmann 59662232bf4SGerd Hoffmann pixman_region_fini(®ion); 59762232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 59862232bf4SGerd Hoffmann } 59962232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 60062232bf4SGerd Hoffmann } 60162232bf4SGerd Hoffmann 602fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 603fa06e5cbSGerd Hoffmann { 604fa06e5cbSGerd Hoffmann pixman_image_unref(data); 605fa06e5cbSGerd Hoffmann } 606fa06e5cbSGerd Hoffmann 60781cd9f71SVivek Kasireddy static void virtio_gpu_update_scanout(VirtIOGPU *g, 60881cd9f71SVivek Kasireddy uint32_t scanout_id, 60981cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *res, 61081cd9f71SVivek Kasireddy struct virtio_gpu_rect *r) 61181cd9f71SVivek Kasireddy { 61281cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *ores; 61381cd9f71SVivek Kasireddy struct virtio_gpu_scanout *scanout; 61481cd9f71SVivek Kasireddy 61581cd9f71SVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 61681cd9f71SVivek Kasireddy ores = virtio_gpu_find_resource(g, scanout->resource_id); 61781cd9f71SVivek Kasireddy if (ores) { 61881cd9f71SVivek Kasireddy ores->scanout_bitmask &= ~(1 << scanout_id); 61981cd9f71SVivek Kasireddy } 62081cd9f71SVivek Kasireddy 62181cd9f71SVivek Kasireddy res->scanout_bitmask |= (1 << scanout_id); 62281cd9f71SVivek Kasireddy scanout->resource_id = res->resource_id; 62381cd9f71SVivek Kasireddy scanout->x = r->x; 62481cd9f71SVivek Kasireddy scanout->y = r->y; 62581cd9f71SVivek Kasireddy scanout->width = r->width; 62681cd9f71SVivek Kasireddy scanout->height = r->height; 62781cd9f71SVivek Kasireddy } 62881cd9f71SVivek Kasireddy 629e64d4b6aSVivek Kasireddy static void virtio_gpu_do_set_scanout(VirtIOGPU *g, 630e64d4b6aSVivek Kasireddy uint32_t scanout_id, 631e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer *fb, 632e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res, 633e64d4b6aSVivek Kasireddy struct virtio_gpu_rect *r, 634e64d4b6aSVivek Kasireddy uint32_t *error) 635e64d4b6aSVivek Kasireddy { 636e64d4b6aSVivek Kasireddy struct virtio_gpu_scanout *scanout; 637e64d4b6aSVivek Kasireddy uint8_t *data; 638e64d4b6aSVivek Kasireddy 639e64d4b6aSVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 640e64d4b6aSVivek Kasireddy 641e64d4b6aSVivek Kasireddy if (r->x > fb->width || 642e64d4b6aSVivek Kasireddy r->y > fb->height || 643e64d4b6aSVivek Kasireddy r->width < 16 || 644e64d4b6aSVivek Kasireddy r->height < 16 || 645e64d4b6aSVivek Kasireddy r->width > fb->width || 646e64d4b6aSVivek Kasireddy r->height > fb->height || 647e64d4b6aSVivek Kasireddy r->x + r->width > fb->width || 648e64d4b6aSVivek Kasireddy r->y + r->height > fb->height) { 649e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 650e64d4b6aSVivek Kasireddy " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n", 651e64d4b6aSVivek Kasireddy __func__, scanout_id, res->resource_id, 652e64d4b6aSVivek Kasireddy r->x, r->y, r->width, r->height, 653e64d4b6aSVivek Kasireddy fb->width, fb->height); 654e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 655e64d4b6aSVivek Kasireddy return; 656e64d4b6aSVivek Kasireddy } 657e64d4b6aSVivek Kasireddy 658e64d4b6aSVivek Kasireddy g->parent_obj.enable = 1; 65932db3c63SVivek Kasireddy 66032db3c63SVivek Kasireddy if (res->blob) { 66132db3c63SVivek Kasireddy if (console_has_gl(scanout->con)) { 662e86a93f5SDongwon Kim if (!virtio_gpu_update_dmabuf(g, scanout_id, res, fb, r)) { 66332db3c63SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 6647b41ca8dSDongwon Kim } else { 6657b41ca8dSDongwon Kim *error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 66632db3c63SVivek Kasireddy } 6677b41ca8dSDongwon Kim return; 66832db3c63SVivek Kasireddy } 66932db3c63SVivek Kasireddy 67032db3c63SVivek Kasireddy data = res->blob; 67132db3c63SVivek Kasireddy } else { 672e64d4b6aSVivek Kasireddy data = (uint8_t *)pixman_image_get_data(res->image); 67332db3c63SVivek Kasireddy } 674e64d4b6aSVivek Kasireddy 675e64d4b6aSVivek Kasireddy /* create a surface for this scanout */ 67632db3c63SVivek Kasireddy if ((res->blob && !console_has_gl(scanout->con)) || 67732db3c63SVivek Kasireddy !scanout->ds || 678e64d4b6aSVivek Kasireddy surface_data(scanout->ds) != data + fb->offset || 679e64d4b6aSVivek Kasireddy scanout->width != r->width || 680e64d4b6aSVivek Kasireddy scanout->height != r->height) { 681e64d4b6aSVivek Kasireddy pixman_image_t *rect; 682e64d4b6aSVivek Kasireddy void *ptr = data + fb->offset; 683e64d4b6aSVivek Kasireddy rect = pixman_image_create_bits(fb->format, r->width, r->height, 684e64d4b6aSVivek Kasireddy ptr, fb->stride); 685e64d4b6aSVivek Kasireddy 686e64d4b6aSVivek Kasireddy if (res->image) { 687e64d4b6aSVivek Kasireddy pixman_image_ref(res->image); 688e64d4b6aSVivek Kasireddy pixman_image_set_destroy_function(rect, virtio_unref_resource, 689e64d4b6aSVivek Kasireddy res->image); 690e64d4b6aSVivek Kasireddy } 691e64d4b6aSVivek Kasireddy 692e64d4b6aSVivek Kasireddy /* realloc the surface ptr */ 693e64d4b6aSVivek Kasireddy scanout->ds = qemu_create_displaysurface_pixman(rect); 694e64d4b6aSVivek Kasireddy if (!scanout->ds) { 695e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 696e64d4b6aSVivek Kasireddy return; 697e64d4b6aSVivek Kasireddy } 6989462ff46SMarc-André Lureau #ifdef WIN32 6999462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, fb->offset); 7009462ff46SMarc-André Lureau #endif 701e64d4b6aSVivek Kasireddy 702e64d4b6aSVivek Kasireddy pixman_image_unref(rect); 703e64d4b6aSVivek Kasireddy dpy_gfx_replace_surface(g->parent_obj.scanout[scanout_id].con, 704e64d4b6aSVivek Kasireddy scanout->ds); 705e64d4b6aSVivek Kasireddy } 706e64d4b6aSVivek Kasireddy 70781cd9f71SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 708e64d4b6aSVivek Kasireddy } 709e64d4b6aSVivek Kasireddy 71062232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 71162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 71262232bf4SGerd Hoffmann { 713e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res; 714e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 71562232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 71662232bf4SGerd Hoffmann 71762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 7181715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 71962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 72062232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 72162232bf4SGerd Hoffmann 7224fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7234fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7244fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7254fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7264fa7b4ccSGerd Hoffmann return; 7274fa7b4ccSGerd Hoffmann } 7284fa7b4ccSGerd Hoffmann 72962232bf4SGerd Hoffmann if (ss.resource_id == 0) { 730da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 73162232bf4SGerd Hoffmann return; 73262232bf4SGerd Hoffmann } 73362232bf4SGerd Hoffmann 73425c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 73525c001a4SVivek Kasireddy __func__, &cmd->error); 73662232bf4SGerd Hoffmann if (!res) { 73762232bf4SGerd Hoffmann return; 73862232bf4SGerd Hoffmann } 73962232bf4SGerd Hoffmann 740e64d4b6aSVivek Kasireddy fb.format = pixman_image_get_format(res->image); 741e64d4b6aSVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 742e64d4b6aSVivek Kasireddy fb.width = pixman_image_get_width(res->image); 743e64d4b6aSVivek Kasireddy fb.height = pixman_image_get_height(res->image); 744e64d4b6aSVivek Kasireddy fb.stride = pixman_image_get_stride(res->image); 745e64d4b6aSVivek Kasireddy fb.offset = ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 74662232bf4SGerd Hoffmann 747e64d4b6aSVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 748e64d4b6aSVivek Kasireddy &fb, res, &ss.r, &cmd->error); 74962232bf4SGerd Hoffmann } 75062232bf4SGerd Hoffmann 75132db3c63SVivek Kasireddy static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, 75232db3c63SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 75332db3c63SVivek Kasireddy { 75432db3c63SVivek Kasireddy struct virtio_gpu_simple_resource *res; 75532db3c63SVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 75632db3c63SVivek Kasireddy struct virtio_gpu_set_scanout_blob ss; 75732db3c63SVivek Kasireddy uint64_t fbend; 75832db3c63SVivek Kasireddy 75932db3c63SVivek Kasireddy VIRTIO_GPU_FILL_CMD(ss); 76032db3c63SVivek Kasireddy virtio_gpu_scanout_blob_bswap(&ss); 76132db3c63SVivek Kasireddy trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id, 76232db3c63SVivek Kasireddy ss.r.width, ss.r.height, ss.r.x, 76332db3c63SVivek Kasireddy ss.r.y); 76432db3c63SVivek Kasireddy 7654fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7664fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7674fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7684fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7694fa7b4ccSGerd Hoffmann return; 7704fa7b4ccSGerd Hoffmann } 7714fa7b4ccSGerd Hoffmann 77232db3c63SVivek Kasireddy if (ss.resource_id == 0) { 77332db3c63SVivek Kasireddy virtio_gpu_disable_scanout(g, ss.scanout_id); 77432db3c63SVivek Kasireddy return; 77532db3c63SVivek Kasireddy } 77632db3c63SVivek Kasireddy 77732db3c63SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 77832db3c63SVivek Kasireddy __func__, &cmd->error); 77932db3c63SVivek Kasireddy if (!res) { 78032db3c63SVivek Kasireddy return; 78132db3c63SVivek Kasireddy } 78232db3c63SVivek Kasireddy 78332db3c63SVivek Kasireddy fb.format = virtio_gpu_get_pixman_format(ss.format); 78432db3c63SVivek Kasireddy if (!fb.format) { 78532db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 78632db3c63SVivek Kasireddy "%s: host couldn't handle guest format %d\n", 78732db3c63SVivek Kasireddy __func__, ss.format); 78832db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 78932db3c63SVivek Kasireddy return; 79032db3c63SVivek Kasireddy } 79132db3c63SVivek Kasireddy 79232db3c63SVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 79332db3c63SVivek Kasireddy fb.width = ss.width; 79432db3c63SVivek Kasireddy fb.height = ss.height; 79532db3c63SVivek Kasireddy fb.stride = ss.strides[0]; 79632db3c63SVivek Kasireddy fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 79732db3c63SVivek Kasireddy 79832db3c63SVivek Kasireddy fbend = fb.offset; 79932db3c63SVivek Kasireddy fbend += fb.stride * (ss.r.height - 1); 80032db3c63SVivek Kasireddy fbend += fb.bytes_pp * ss.r.width; 80132db3c63SVivek Kasireddy if (fbend > res->blob_size) { 80232db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 80332db3c63SVivek Kasireddy "%s: fb end out of range\n", 80432db3c63SVivek Kasireddy __func__); 80532db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 80632db3c63SVivek Kasireddy return; 80732db3c63SVivek Kasireddy } 80832db3c63SVivek Kasireddy 80932db3c63SVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 81032db3c63SVivek Kasireddy &fb, res, &ss.r, &cmd->error); 81132db3c63SVivek Kasireddy } 81232db3c63SVivek Kasireddy 8133bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 81470d37662SVivek Kasireddy uint32_t nr_entries, uint32_t offset, 81562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 8169049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 8179049f8bcSGerd Hoffmann uint32_t *niov) 81862232bf4SGerd Hoffmann { 81962232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 82062232bf4SGerd Hoffmann size_t esize, s; 8219049f8bcSGerd Hoffmann int e, v; 82262232bf4SGerd Hoffmann 82370d37662SVivek Kasireddy if (nr_entries > 16384) { 82462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 8252c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 82670d37662SVivek Kasireddy __func__, nr_entries); 82762232bf4SGerd Hoffmann return -1; 82862232bf4SGerd Hoffmann } 82962232bf4SGerd Hoffmann 83070d37662SVivek Kasireddy esize = sizeof(*ents) * nr_entries; 83162232bf4SGerd Hoffmann ents = g_malloc(esize); 83262232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 83370d37662SVivek Kasireddy offset, ents, esize); 83462232bf4SGerd Hoffmann if (s != esize) { 83562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 83662232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 83762232bf4SGerd Hoffmann __func__, s, esize); 83862232bf4SGerd Hoffmann g_free(ents); 83962232bf4SGerd Hoffmann return -1; 84062232bf4SGerd Hoffmann } 84162232bf4SGerd Hoffmann 8429049f8bcSGerd Hoffmann *iov = NULL; 8430c244e50SGerd Hoffmann if (addr) { 8449049f8bcSGerd Hoffmann *addr = NULL; 8450c244e50SGerd Hoffmann } 84670d37662SVivek Kasireddy for (e = 0, v = 0; e < nr_entries; e++) { 8479049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 8489049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 8499049f8bcSGerd Hoffmann hwaddr len; 8509049f8bcSGerd Hoffmann void *map; 8519049f8bcSGerd Hoffmann 8529049f8bcSGerd Hoffmann do { 8539049f8bcSGerd Hoffmann len = l; 854a1d4b0a3SPhilippe Mathieu-Daudé map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, a, &len, 855a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE, 856a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED); 8579049f8bcSGerd Hoffmann if (!map) { 85862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 85970d37662SVivek Kasireddy " element %d\n", __func__, e); 8609049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 86162232bf4SGerd Hoffmann g_free(ents); 86262232bf4SGerd Hoffmann *iov = NULL; 8630c244e50SGerd Hoffmann if (addr) { 8640c244e50SGerd Hoffmann g_free(*addr); 8650c244e50SGerd Hoffmann *addr = NULL; 8660c244e50SGerd Hoffmann } 86762232bf4SGerd Hoffmann return -1; 86862232bf4SGerd Hoffmann } 8699049f8bcSGerd Hoffmann 8709049f8bcSGerd Hoffmann if (!(v % 16)) { 871b21e2380SMarkus Armbruster *iov = g_renew(struct iovec, *iov, v + 16); 8729049f8bcSGerd Hoffmann if (addr) { 873b21e2380SMarkus Armbruster *addr = g_renew(uint64_t, *addr, v + 16); 87462232bf4SGerd Hoffmann } 8759049f8bcSGerd Hoffmann } 8769049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 8779049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 8789049f8bcSGerd Hoffmann if (addr) { 8799049f8bcSGerd Hoffmann (*addr)[v] = a; 8809049f8bcSGerd Hoffmann } 8819049f8bcSGerd Hoffmann 8829049f8bcSGerd Hoffmann a += len; 8839049f8bcSGerd Hoffmann l -= len; 8849049f8bcSGerd Hoffmann v += 1; 8859049f8bcSGerd Hoffmann } while (l > 0); 8869049f8bcSGerd Hoffmann } 8879049f8bcSGerd Hoffmann *niov = v; 8889049f8bcSGerd Hoffmann 88962232bf4SGerd Hoffmann g_free(ents); 89062232bf4SGerd Hoffmann return 0; 89162232bf4SGerd Hoffmann } 89262232bf4SGerd Hoffmann 8933bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 8943bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 89562232bf4SGerd Hoffmann { 89662232bf4SGerd Hoffmann int i; 89762232bf4SGerd Hoffmann 89862232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 8998da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 9008da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 9018da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 90262232bf4SGerd Hoffmann iov[i].iov_len); 90362232bf4SGerd Hoffmann } 9047f3be0f2SGerd Hoffmann g_free(iov); 90562232bf4SGerd Hoffmann } 90662232bf4SGerd Hoffmann 9073bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 9083bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 90962232bf4SGerd Hoffmann { 9103bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 91162232bf4SGerd Hoffmann res->iov = NULL; 91262232bf4SGerd Hoffmann res->iov_cnt = 0; 9130c244e50SGerd Hoffmann g_free(res->addrs); 9140c244e50SGerd Hoffmann res->addrs = NULL; 915e0933d91SVivek Kasireddy 916e0933d91SVivek Kasireddy if (res->blob) { 917e0933d91SVivek Kasireddy virtio_gpu_fini_udmabuf(res); 918e0933d91SVivek Kasireddy } 91962232bf4SGerd Hoffmann } 92062232bf4SGerd Hoffmann 92162232bf4SGerd Hoffmann static void 92262232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 92362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 92462232bf4SGerd Hoffmann { 92562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 92662232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 92762232bf4SGerd Hoffmann int ret; 92862232bf4SGerd Hoffmann 92962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 9301715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 93162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 93262232bf4SGerd Hoffmann 93362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 93462232bf4SGerd Hoffmann if (!res) { 93562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 93662232bf4SGerd Hoffmann __func__, ab.resource_id); 93762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 93862232bf4SGerd Hoffmann return; 93962232bf4SGerd Hoffmann } 94062232bf4SGerd Hoffmann 941204f01b3SLi Qiang if (res->iov) { 942204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 943204f01b3SLi Qiang return; 944204f01b3SLi Qiang } 945204f01b3SLi Qiang 94670d37662SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd, 94770d37662SVivek Kasireddy &res->addrs, &res->iov, &res->iov_cnt); 94862232bf4SGerd Hoffmann if (ret != 0) { 94962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 95062232bf4SGerd Hoffmann return; 95162232bf4SGerd Hoffmann } 95262232bf4SGerd Hoffmann } 95362232bf4SGerd Hoffmann 95462232bf4SGerd Hoffmann static void 95562232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 95662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 95762232bf4SGerd Hoffmann { 95862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 95962232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 96062232bf4SGerd Hoffmann 96162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 9621715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 96362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 96462232bf4SGerd Hoffmann 96525c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, detach.resource_id, true, 96625c001a4SVivek Kasireddy __func__, &cmd->error); 96725c001a4SVivek Kasireddy if (!res) { 96862232bf4SGerd Hoffmann return; 96962232bf4SGerd Hoffmann } 9703bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 97162232bf4SGerd Hoffmann } 97262232bf4SGerd Hoffmann 9732f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 97462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 97562232bf4SGerd Hoffmann { 97662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 9771715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 97862232bf4SGerd Hoffmann 97962232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 98062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 98162232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 98262232bf4SGerd Hoffmann break; 9831ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 9841ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 9851ed2cb32SGerd Hoffmann break; 98662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 98762232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 98862232bf4SGerd Hoffmann break; 989e0933d91SVivek Kasireddy case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB: 990e0933d91SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 991e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 992e0933d91SVivek Kasireddy break; 993e0933d91SVivek Kasireddy } 994e0933d91SVivek Kasireddy virtio_gpu_resource_create_blob(g, cmd); 995e0933d91SVivek Kasireddy break; 99662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 99762232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 99862232bf4SGerd Hoffmann break; 99962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 100062232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 100162232bf4SGerd Hoffmann break; 100262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 100362232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 100462232bf4SGerd Hoffmann break; 100562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 100662232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 100762232bf4SGerd Hoffmann break; 100832db3c63SVivek Kasireddy case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB: 100932db3c63SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 101032db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 101132db3c63SVivek Kasireddy break; 101232db3c63SVivek Kasireddy } 101332db3c63SVivek Kasireddy virtio_gpu_set_scanout_blob(g, cmd); 101432db3c63SVivek Kasireddy break; 101562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 101662232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 101762232bf4SGerd Hoffmann break; 101862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 101962232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 102062232bf4SGerd Hoffmann break; 102162232bf4SGerd Hoffmann default: 102262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 102362232bf4SGerd Hoffmann break; 102462232bf4SGerd Hoffmann } 102562232bf4SGerd Hoffmann if (!cmd->finished) { 1026b3a5dfdeSVivek Kasireddy if (!g->parent_obj.renderer_blocked) { 102762232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 102862232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 102962232bf4SGerd Hoffmann } 103062232bf4SGerd Hoffmann } 1031b3a5dfdeSVivek Kasireddy } 103262232bf4SGerd Hoffmann 103362232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 103462232bf4SGerd Hoffmann { 103562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 103662232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 103762232bf4SGerd Hoffmann } 103862232bf4SGerd Hoffmann 103962232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 104062232bf4SGerd Hoffmann { 104162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 104262232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 104362232bf4SGerd Hoffmann } 104462232bf4SGerd Hoffmann 10450c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 10463eb769fdSGerd Hoffmann { 10473eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 10482f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 10493eb769fdSGerd Hoffmann 1050f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 1051f8f3c271SMarc-André Lureau return; 1052f8f3c271SMarc-André Lureau } 1053f8f3c271SMarc-André Lureau g->processing_cmdq = true; 10543eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 10553eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 10563eb769fdSGerd Hoffmann 105750d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 10580c55a1cfSGerd Hoffmann break; 10590c55a1cfSGerd Hoffmann } 1060ad341aacSMarc-André Lureau 1061ad341aacSMarc-André Lureau /* process command */ 10622f47691aSGerd Hoffmann vgc->process_cmd(g, cmd); 1063ad341aacSMarc-André Lureau 10643eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 106550d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10663eb769fdSGerd Hoffmann g->stats.requests++; 10673eb769fdSGerd Hoffmann } 10683eb769fdSGerd Hoffmann 10693eb769fdSGerd Hoffmann if (!cmd->finished) { 10703eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 10713eb769fdSGerd Hoffmann g->inflight++; 107250d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10733eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 10743eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 10753eb769fdSGerd Hoffmann } 10763eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 10773eb769fdSGerd Hoffmann } 10783eb769fdSGerd Hoffmann } else { 10793eb769fdSGerd Hoffmann g_free(cmd); 10803eb769fdSGerd Hoffmann } 10813eb769fdSGerd Hoffmann } 1082f8f3c271SMarc-André Lureau g->processing_cmdq = false; 10833eb769fdSGerd Hoffmann } 10843eb769fdSGerd Hoffmann 1085b3a5dfdeSVivek Kasireddy static void virtio_gpu_process_fenceq(VirtIOGPU *g) 1086b3a5dfdeSVivek Kasireddy { 1087b3a5dfdeSVivek Kasireddy struct virtio_gpu_ctrl_command *cmd, *tmp; 1088b3a5dfdeSVivek Kasireddy 1089b3a5dfdeSVivek Kasireddy QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { 1090b3a5dfdeSVivek Kasireddy trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id); 1091b3a5dfdeSVivek Kasireddy virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); 1092b3a5dfdeSVivek Kasireddy QTAILQ_REMOVE(&g->fenceq, cmd, next); 1093b3a5dfdeSVivek Kasireddy g_free(cmd); 1094b3a5dfdeSVivek Kasireddy g->inflight--; 1095b3a5dfdeSVivek Kasireddy if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 1096b3a5dfdeSVivek Kasireddy fprintf(stderr, "inflight: %3d (-)\r", g->inflight); 1097b3a5dfdeSVivek Kasireddy } 1098b3a5dfdeSVivek Kasireddy } 1099b3a5dfdeSVivek Kasireddy } 1100b3a5dfdeSVivek Kasireddy 1101b3a5dfdeSVivek Kasireddy static void virtio_gpu_handle_gl_flushed(VirtIOGPUBase *b) 1102b3a5dfdeSVivek Kasireddy { 1103b3a5dfdeSVivek Kasireddy VirtIOGPU *g = container_of(b, VirtIOGPU, parent_obj); 1104b3a5dfdeSVivek Kasireddy 1105b3a5dfdeSVivek Kasireddy virtio_gpu_process_fenceq(g); 1106b3a5dfdeSVivek Kasireddy virtio_gpu_process_cmdq(g); 1107b3a5dfdeSVivek Kasireddy } 1108b3a5dfdeSVivek Kasireddy 110962232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 111062232bf4SGerd Hoffmann { 111162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 111262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 111362232bf4SGerd Hoffmann 111462232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 111562232bf4SGerd Hoffmann return; 111662232bf4SGerd Hoffmann } 111762232bf4SGerd Hoffmann 111851b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 111951b19ebeSPaolo Bonzini while (cmd) { 112062232bf4SGerd Hoffmann cmd->vq = vq; 112162232bf4SGerd Hoffmann cmd->error = 0; 112262232bf4SGerd Hoffmann cmd->finished = false; 11233eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 112451b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 112562232bf4SGerd Hoffmann } 11269d9e1521SGerd Hoffmann 11273eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 112862232bf4SGerd Hoffmann } 112962232bf4SGerd Hoffmann 113062232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 113162232bf4SGerd Hoffmann { 113262232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 1133cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 1134cabbe8e5SGerd Hoffmann 1135cabbe8e5SGerd Hoffmann vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 113662232bf4SGerd Hoffmann } 113762232bf4SGerd Hoffmann 113862232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 113962232bf4SGerd Hoffmann { 114062232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 114151b19ebeSPaolo Bonzini VirtQueueElement *elem; 114262232bf4SGerd Hoffmann size_t s; 114362232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 114462232bf4SGerd Hoffmann 114562232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 114662232bf4SGerd Hoffmann return; 114762232bf4SGerd Hoffmann } 114851b19ebeSPaolo Bonzini for (;;) { 114951b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 115051b19ebeSPaolo Bonzini if (!elem) { 115151b19ebeSPaolo Bonzini break; 115251b19ebeSPaolo Bonzini } 115351b19ebeSPaolo Bonzini 115451b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 115562232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 115662232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 115762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 115862232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 115962232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 116062232bf4SGerd Hoffmann } else { 11611715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 116262232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 116362232bf4SGerd Hoffmann } 116451b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 116562232bf4SGerd Hoffmann virtio_notify(vdev, vq); 116651b19ebeSPaolo Bonzini g_free(elem); 116762232bf4SGerd Hoffmann } 116862232bf4SGerd Hoffmann } 116962232bf4SGerd Hoffmann 117062232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 117162232bf4SGerd Hoffmann { 117262232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 117350d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 117462232bf4SGerd Hoffmann } 117562232bf4SGerd Hoffmann 11760c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 11770c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 11780c244e50SGerd Hoffmann .version_id = 1, 11790c244e50SGerd Hoffmann .fields = (VMStateField[]) { 11800c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 11810c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 11820c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 11830c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 11840c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 11850c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 11860c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 11870c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 11880c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 11890c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 11900c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11910c244e50SGerd Hoffmann }, 11920c244e50SGerd Hoffmann }; 11930c244e50SGerd Hoffmann 11940c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 11950c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 11960c244e50SGerd Hoffmann .version_id = 1, 11970c244e50SGerd Hoffmann .fields = (VMStateField[]) { 119850d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 119950d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 120050d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 120150d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 120250d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 12030c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 12040c244e50SGerd Hoffmann struct virtio_gpu_scanout), 12050c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 12060c244e50SGerd Hoffmann }, 12070c244e50SGerd Hoffmann }; 12080c244e50SGerd Hoffmann 12092c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 12103ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 12110c244e50SGerd Hoffmann { 12120c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 12130c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12140c244e50SGerd Hoffmann int i; 12150c244e50SGerd Hoffmann 12160c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 12170c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 12180c244e50SGerd Hoffmann 12190c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12200c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 12210c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 12220c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 12230c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 12240c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 12250c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12260c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 12270c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 12280c244e50SGerd Hoffmann } 12290c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 12300c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 12310c244e50SGerd Hoffmann } 12320c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 12330c244e50SGerd Hoffmann 12342f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 12350c244e50SGerd Hoffmann } 12360c244e50SGerd Hoffmann 12372c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 123803fee66fSMarc-André Lureau const VMStateField *field) 12390c244e50SGerd Hoffmann { 12400c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 12410c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12420c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 12430c244e50SGerd Hoffmann uint32_t resource_id, pformat; 12449462ff46SMarc-André Lureau void *bits = NULL; 12458a502efdSHalil Pasic int i; 12460c244e50SGerd Hoffmann 1247039aa5dbSPeter Maydell g->hostmem = 0; 1248039aa5dbSPeter Maydell 12490c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 12500c244e50SGerd Hoffmann while (resource_id != 0) { 1251b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1252b0ee78ffSLi Qiang if (res) { 1253b0ee78ffSLi Qiang return -EINVAL; 1254b0ee78ffSLi Qiang } 1255b0ee78ffSLi Qiang 12560c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 12570c244e50SGerd Hoffmann res->resource_id = resource_id; 12580c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 12590c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 12600c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 12610c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 12620c244e50SGerd Hoffmann 12630c244e50SGerd Hoffmann /* allocate */ 126483a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 12650c244e50SGerd Hoffmann if (!pformat) { 1266c84f0f25SPeter Maydell g_free(res); 12670c244e50SGerd Hoffmann return -EINVAL; 12680c244e50SGerd Hoffmann } 12699462ff46SMarc-André Lureau 12709462ff46SMarc-André Lureau res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 12719462ff46SMarc-André Lureau #ifdef WIN32 12729462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn); 12739462ff46SMarc-André Lureau if (!bits) { 12749462ff46SMarc-André Lureau g_free(res); 12759462ff46SMarc-André Lureau return -EINVAL; 12769462ff46SMarc-André Lureau } 12779462ff46SMarc-André Lureau #endif 12789c18a923SMarc-André Lureau res->image = pixman_image_create_bits( 12799c18a923SMarc-André Lureau pformat, 12800c244e50SGerd Hoffmann res->width, res->height, 12819c18a923SMarc-André Lureau bits, res->height ? res->hostmem / res->height : 0); 12820c244e50SGerd Hoffmann if (!res->image) { 1283c84f0f25SPeter Maydell g_free(res); 12840c244e50SGerd Hoffmann return -EINVAL; 12850c244e50SGerd Hoffmann } 128604562ee8SMarc-André Lureau #ifdef WIN32 128704562ee8SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle); 128804562ee8SMarc-André Lureau #endif 1289039aa5dbSPeter Maydell 12900c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 12910c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 12920c244e50SGerd Hoffmann 12930c244e50SGerd Hoffmann /* read data */ 12940c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12950c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 12960c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 12970c244e50SGerd Hoffmann } 12980c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 12990c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 13000c244e50SGerd Hoffmann 13010c244e50SGerd Hoffmann /* restore mapping */ 13020c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 13030c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 13040c244e50SGerd Hoffmann res->iov[i].iov_base = 1305a1d4b0a3SPhilippe Mathieu-Daudé dma_memory_map(VIRTIO_DEVICE(g)->dma_as, res->addrs[i], &len, 1306a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE, 1307a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED); 13083bb68f79SGerd Hoffmann 13090c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1310c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1311c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 13128da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 13138da132a5SGerd Hoffmann res->iov[i].iov_base, 1314a7f85e03SGerd Hoffmann len, 13158da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1316a7f85e03SGerd Hoffmann 0); 1317c84f0f25SPeter Maydell } 1318c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1319c84f0f25SPeter Maydell res->iov_cnt = i; 13203bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1321c84f0f25SPeter Maydell pixman_image_unref(res->image); 1322c84f0f25SPeter Maydell g_free(res); 13230c244e50SGerd Hoffmann return -EINVAL; 13240c244e50SGerd Hoffmann } 13250c244e50SGerd Hoffmann } 13260c244e50SGerd Hoffmann 13270c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1328039aa5dbSPeter Maydell g->hostmem += res->hostmem; 13290c244e50SGerd Hoffmann 13300c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 13310c244e50SGerd Hoffmann } 13320c244e50SGerd Hoffmann 13330c244e50SGerd Hoffmann /* load & apply scanout state */ 13340c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 133550d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 1336529969b8SMarc-André Lureau /* FIXME: should take scanout.r.{x,y} into account */ 133750d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 13380c244e50SGerd Hoffmann if (!scanout->resource_id) { 13390c244e50SGerd Hoffmann continue; 13400c244e50SGerd Hoffmann } 13410c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 13420c244e50SGerd Hoffmann if (!res) { 13430c244e50SGerd Hoffmann return -EINVAL; 13440c244e50SGerd Hoffmann } 13450c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 13460c244e50SGerd Hoffmann if (!scanout->ds) { 13470c244e50SGerd Hoffmann return -EINVAL; 13480c244e50SGerd Hoffmann } 13499462ff46SMarc-André Lureau #ifdef WIN32 13509462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, 0); 13519462ff46SMarc-André Lureau #endif 13520c244e50SGerd Hoffmann 13530c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 135491155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 135510750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 13560c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 135710750ee0SGerd Hoffmann } 13580c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 13590c244e50SGerd Hoffmann } 13600c244e50SGerd Hoffmann 13610c244e50SGerd Hoffmann return 0; 13620c244e50SGerd Hoffmann } 13630c244e50SGerd Hoffmann 136437f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 136562232bf4SGerd Hoffmann { 136662232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 136762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 13689d9e1521SGerd Hoffmann 1369cce386e1SVivek Kasireddy if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { 1370cce386e1SVivek Kasireddy if (!virtio_gpu_have_udmabuf()) { 1371cce386e1SVivek Kasireddy error_setg(errp, "cannot enable blob resources without udmabuf"); 1372cce386e1SVivek Kasireddy return; 1373cce386e1SVivek Kasireddy } 1374cce386e1SVivek Kasireddy 1375cce386e1SVivek Kasireddy if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) { 1376cce386e1SVivek Kasireddy error_setg(errp, "blobs and virgl are not compatible (yet)"); 1377cce386e1SVivek Kasireddy return; 1378cce386e1SVivek Kasireddy } 1379cce386e1SVivek Kasireddy } 1380cce386e1SVivek Kasireddy 138150d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 138250d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 138350d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 138450d8e25eSMarc-André Lureau errp)) { 1385fe44dc91SAshijeet Acharya return; 1386fe44dc91SAshijeet Acharya } 1387fe44dc91SAshijeet Acharya 138850d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 138950d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 1390f63192b0SAlexander Bulekov g->ctrl_bh = qemu_bh_new_guarded(virtio_gpu_ctrl_bh, g, 1391f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 1392f63192b0SAlexander Bulekov g->cursor_bh = qemu_bh_new_guarded(virtio_gpu_cursor_bh, g, 1393f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 1394a41e2d97SMarc-André Lureau g->reset_bh = qemu_bh_new(virtio_gpu_reset_bh, g); 1395a41e2d97SMarc-André Lureau qemu_cond_init(&g->reset_cond); 139662232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 13973eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 139862232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 139962232bf4SGerd Hoffmann } 140062232bf4SGerd Hoffmann 1401957d7786SMarc-André Lureau static void virtio_gpu_device_unrealize(DeviceState *qdev) 1402957d7786SMarc-André Lureau { 1403957d7786SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(qdev); 1404957d7786SMarc-André Lureau 1405957d7786SMarc-André Lureau g_clear_pointer(&g->ctrl_bh, qemu_bh_delete); 1406957d7786SMarc-André Lureau g_clear_pointer(&g->cursor_bh, qemu_bh_delete); 1407a41e2d97SMarc-André Lureau g_clear_pointer(&g->reset_bh, qemu_bh_delete); 1408a41e2d97SMarc-André Lureau qemu_cond_destroy(&g->reset_cond); 1409957d7786SMarc-André Lureau virtio_gpu_base_device_unrealize(qdev); 1410957d7786SMarc-André Lureau } 1411957d7786SMarc-André Lureau 1412a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque) 1413a41e2d97SMarc-André Lureau { 1414a41e2d97SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(opaque); 1415a41e2d97SMarc-André Lureau struct virtio_gpu_simple_resource *res, *tmp; 1416a41e2d97SMarc-André Lureau int i = 0; 1417a41e2d97SMarc-André Lureau 1418a41e2d97SMarc-André Lureau QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 1419a41e2d97SMarc-André Lureau virtio_gpu_resource_destroy(g, res); 1420a41e2d97SMarc-André Lureau } 1421a41e2d97SMarc-André Lureau 1422a41e2d97SMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 1423a41e2d97SMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[i].con, NULL); 1424a41e2d97SMarc-André Lureau } 1425a41e2d97SMarc-André Lureau 1426a41e2d97SMarc-André Lureau g->reset_finished = true; 1427a41e2d97SMarc-André Lureau qemu_cond_signal(&g->reset_cond); 1428a41e2d97SMarc-André Lureau } 1429a41e2d97SMarc-André Lureau 143076fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 143162232bf4SGerd Hoffmann { 143262232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 1433dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 143462232bf4SGerd Hoffmann 1435a41e2d97SMarc-André Lureau if (qemu_in_vcpu_thread()) { 1436a41e2d97SMarc-André Lureau g->reset_finished = false; 1437a41e2d97SMarc-André Lureau qemu_bh_schedule(g->reset_bh); 1438a41e2d97SMarc-André Lureau while (!g->reset_finished) { 1439a41e2d97SMarc-André Lureau qemu_cond_wait_iothread(&g->reset_cond); 1440a41e2d97SMarc-André Lureau } 1441a41e2d97SMarc-André Lureau } else { 1442a41e2d97SMarc-André Lureau virtio_gpu_reset_bh(g); 144362232bf4SGerd Hoffmann } 14449d9e1521SGerd Hoffmann 1445dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1446dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1447dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1448dc84ed5bSGerd Hoffmann g_free(cmd); 1449dc84ed5bSGerd Hoffmann } 1450dc84ed5bSGerd Hoffmann 1451dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1452dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1453dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1454dc84ed5bSGerd Hoffmann g->inflight--; 1455dc84ed5bSGerd Hoffmann g_free(cmd); 1456dc84ed5bSGerd Hoffmann } 1457dc84ed5bSGerd Hoffmann 145850d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 145950d8e25eSMarc-André Lureau } 146050d8e25eSMarc-André Lureau 146150d8e25eSMarc-André Lureau static void 146250d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 146350d8e25eSMarc-André Lureau { 146450d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 146550d8e25eSMarc-André Lureau 146650d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 146750d8e25eSMarc-André Lureau } 146850d8e25eSMarc-André Lureau 146950d8e25eSMarc-André Lureau static void 147050d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 147150d8e25eSMarc-André Lureau { 147250d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 147350d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 147450d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 147550d8e25eSMarc-André Lureau 147650d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 147750d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 147850d8e25eSMarc-André Lureau } 147962232bf4SGerd Hoffmann } 148062232bf4SGerd Hoffmann 14818a502efdSHalil Pasic /* 14828a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 14838a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 14848a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 14858a502efdSHalil Pasic * is saved/loaded after the core data. 14868a502efdSHalil Pasic * 14878a502efdSHalil Pasic * Because of this we need a special vmsd. 14888a502efdSHalil Pasic */ 14898a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 14908a502efdSHalil Pasic .name = "virtio-gpu", 14918a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 14928a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 14938a502efdSHalil Pasic .fields = (VMStateField[]) { 14948a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 14958a502efdSHalil Pasic { 14968a502efdSHalil Pasic .name = "virtio-gpu", 14978a502efdSHalil Pasic .info = &(const VMStateInfo) { 14988a502efdSHalil Pasic .name = "virtio-gpu", 14998a502efdSHalil Pasic .get = virtio_gpu_load, 15008a502efdSHalil Pasic .put = virtio_gpu_save, 15018a502efdSHalil Pasic }, 15028a502efdSHalil Pasic .flags = VMS_SINGLE, 15038a502efdSHalil Pasic } /* device */, 15048a502efdSHalil Pasic VMSTATE_END_OF_LIST() 15058a502efdSHalil Pasic }, 15068a502efdSHalil Pasic }; 15070fc07498SDr. David Alan Gilbert 150862232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 150950d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 151050d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 151150d8e25eSMarc-André Lureau 256 * MiB), 1512cce386e1SVivek Kasireddy DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags, 1513cce386e1SVivek Kasireddy VIRTIO_GPU_FLAG_BLOB_ENABLED, false), 1514ba62dfa7SGerd Hoffmann DEFINE_PROP_SIZE("hostmem", VirtIOGPU, parent_obj.conf.hostmem, 0), 151562232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 151662232bf4SGerd Hoffmann }; 151762232bf4SGerd Hoffmann 151862232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 151962232bf4SGerd Hoffmann { 152062232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 152162232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1522cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 1523b3a5dfdeSVivek Kasireddy VirtIOGPUBaseClass *vgbc = &vgc->parent; 152462232bf4SGerd Hoffmann 1525cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 15262f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd; 15272c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data; 1528b3a5dfdeSVivek Kasireddy vgbc->gl_flushed = virtio_gpu_handle_gl_flushed; 1529cabbe8e5SGerd Hoffmann 153062232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 1531957d7786SMarc-André Lureau vdc->unrealize = virtio_gpu_device_unrealize; 153250d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 153362232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 153462232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 153562232bf4SGerd Hoffmann 15360fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 15374f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 153862232bf4SGerd Hoffmann } 153962232bf4SGerd Hoffmann 154062232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 154162232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 154250d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 154362232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1544cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 154562232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 154662232bf4SGerd Hoffmann }; 1547561d0f45SGerd Hoffmann module_obj(TYPE_VIRTIO_GPU); 154824ce7aa7SJose R. Ziviani module_kconfig(VIRTIO_GPU); 154962232bf4SGerd Hoffmann 155062232bf4SGerd Hoffmann static void virtio_register_types(void) 155162232bf4SGerd Hoffmann { 155262232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 155362232bf4SGerd Hoffmann } 155462232bf4SGerd Hoffmann 155562232bf4SGerd Hoffmann type_init(virtio_register_types) 1556