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" 299c549ab6SMarc-André Lureau #include "migration/blocker.h" 3003dd024fSPaolo Bonzini #include "qemu/log.h" 310b8fa32fSMarkus Armbruster #include "qemu/module.h" 325e3d741cSMarc-André Lureau #include "qapi/error.h" 3350d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3462232bf4SGerd Hoffmann 350c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 360c244e50SGerd Hoffmann 3762232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 3825c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 3925c001a4SVivek Kasireddy bool require_backing, 4025c001a4SVivek Kasireddy const char *caller, uint32_t *error); 4162232bf4SGerd Hoffmann 42a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque); 43b8e23926SLi Qiang 449c549ab6SMarc-André Lureau static Error *blob_mig_blocker; 459c549ab6SMarc-André Lureau 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; 52bdd53f73SVivek 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 60bdd53f73SVivek Kasireddy if (res->blob_size) { 61bdd53f73SVivek Kasireddy if (res->blob_size < (s->current_cursor->width * 62bdd53f73SVivek Kasireddy s->current_cursor->height * 4)) { 63bdd53f73SVivek Kasireddy return; 64bdd53f73SVivek Kasireddy } 65bdd53f73SVivek Kasireddy data = res->blob; 66bdd53f73SVivek 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 } 71bdd53f73SVivek Kasireddy data = pixman_image_get_data(res->image); 72bdd53f73SVivek Kasireddy } 7362232bf4SGerd Hoffmann 7462232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 75bdd53f73SVivek 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 11849a8b659SAntonio Caggiano 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 void virtio_gpu_get_edid(VirtIOGPU *g, 2111ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2121ed2cb32SGerd Hoffmann { 2131ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2141ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 21550d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2161ed2cb32SGerd Hoffmann 2171ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2181ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2191ed2cb32SGerd Hoffmann 22050d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2211ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2221ed2cb32SGerd Hoffmann return; 2231ed2cb32SGerd Hoffmann } 2241ed2cb32SGerd Hoffmann 2251ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2261ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2271ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 228ee3729d9SErico Nunes virtio_gpu_base_generate_edid(VIRTIO_GPU_BASE(g), get_edid.scanout, &edid); 2291ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2301ed2cb32SGerd Hoffmann } 2311ed2cb32SGerd Hoffmann 232c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 233c53f5b89STao Wu uint32_t width, uint32_t height) 234c53f5b89STao Wu { 235c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 236c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 237c53f5b89STao Wu */ 238c53f5b89STao Wu 239c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 240c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 241c53f5b89STao Wu return height * stride; 242c53f5b89STao Wu } 243c53f5b89STao Wu 2449462ff46SMarc-André Lureau #ifdef WIN32 2459462ff46SMarc-André Lureau static void 2469462ff46SMarc-André Lureau win32_pixman_image_destroy(pixman_image_t *image, void *data) 2479462ff46SMarc-André Lureau { 2489462ff46SMarc-André Lureau HANDLE handle = data; 2499462ff46SMarc-André Lureau 2509462ff46SMarc-André Lureau qemu_win32_map_free(pixman_image_get_data(image), handle, &error_warn); 2519462ff46SMarc-André Lureau } 2529462ff46SMarc-André Lureau #endif 2539462ff46SMarc-André Lureau 25462232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 25562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 25662232bf4SGerd Hoffmann { 25762232bf4SGerd Hoffmann pixman_format_code_t pformat; 25862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 25962232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26062232bf4SGerd Hoffmann 26162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2621715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 26462232bf4SGerd Hoffmann c2d.width, c2d.height); 26562232bf4SGerd Hoffmann 26662232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 26762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 26862232bf4SGerd Hoffmann __func__); 26962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27062232bf4SGerd Hoffmann return; 27162232bf4SGerd Hoffmann } 27262232bf4SGerd Hoffmann 27362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 27462232bf4SGerd Hoffmann if (res) { 27562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 27662232bf4SGerd Hoffmann __func__, c2d.resource_id); 27762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27862232bf4SGerd Hoffmann return; 27962232bf4SGerd Hoffmann } 28062232bf4SGerd Hoffmann 28162232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28262232bf4SGerd Hoffmann 28362232bf4SGerd Hoffmann res->width = c2d.width; 28462232bf4SGerd Hoffmann res->height = c2d.height; 28562232bf4SGerd Hoffmann res->format = c2d.format; 28662232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 28762232bf4SGerd Hoffmann 28883a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 28962232bf4SGerd Hoffmann if (!pformat) { 29062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29162232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29262232bf4SGerd Hoffmann __func__, c2d.format); 293cb3a0522SLi Qiang g_free(res); 29462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 29562232bf4SGerd Hoffmann return; 29662232bf4SGerd Hoffmann } 2979b7621bcSGerd Hoffmann 298c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 29950d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 3009462ff46SMarc-André Lureau void *bits = NULL; 3019462ff46SMarc-André Lureau #ifdef WIN32 3029462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn); 3039462ff46SMarc-André Lureau if (!bits) { 3049462ff46SMarc-André Lureau goto end; 3059462ff46SMarc-André Lureau } 3069462ff46SMarc-André Lureau #endif 3079c18a923SMarc-André Lureau res->image = pixman_image_create_bits( 3089c18a923SMarc-André Lureau pformat, 30962232bf4SGerd Hoffmann c2d.width, 31062232bf4SGerd Hoffmann c2d.height, 3119c18a923SMarc-André Lureau bits, c2d.height ? res->hostmem / c2d.height : 0); 3129462ff46SMarc-André Lureau #ifdef WIN32 3139462ff46SMarc-André Lureau if (res->image) { 3149462ff46SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle); 3159462ff46SMarc-André Lureau } 3169462ff46SMarc-André Lureau #endif 3179b7621bcSGerd Hoffmann } 31862232bf4SGerd Hoffmann 3199462ff46SMarc-André Lureau #ifdef WIN32 3209462ff46SMarc-André Lureau end: 3219462ff46SMarc-André Lureau #endif 32262232bf4SGerd Hoffmann if (!res->image) { 32362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 32462232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 32562232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 32662232bf4SGerd Hoffmann g_free(res); 32762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 32862232bf4SGerd Hoffmann return; 32962232bf4SGerd Hoffmann } 33062232bf4SGerd Hoffmann 33162232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3329b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 33362232bf4SGerd Hoffmann } 33462232bf4SGerd Hoffmann 335e0933d91SVivek Kasireddy static void virtio_gpu_resource_create_blob(VirtIOGPU *g, 336e0933d91SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 337e0933d91SVivek Kasireddy { 338e0933d91SVivek Kasireddy struct virtio_gpu_simple_resource *res; 339e0933d91SVivek Kasireddy struct virtio_gpu_resource_create_blob cblob; 340e0933d91SVivek Kasireddy int ret; 341e0933d91SVivek Kasireddy 342e0933d91SVivek Kasireddy VIRTIO_GPU_FILL_CMD(cblob); 343e0933d91SVivek Kasireddy virtio_gpu_create_blob_bswap(&cblob); 344e0933d91SVivek Kasireddy trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size); 345e0933d91SVivek Kasireddy 346e0933d91SVivek Kasireddy if (cblob.resource_id == 0) { 347e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 348e0933d91SVivek Kasireddy __func__); 349e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 350e0933d91SVivek Kasireddy return; 351e0933d91SVivek Kasireddy } 352e0933d91SVivek Kasireddy 353dc2deabaSPhilippe Mathieu-Daudé if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_GUEST && 354dc2deabaSPhilippe Mathieu-Daudé cblob.blob_flags != VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE) { 355dc2deabaSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid memory type\n", 356dc2deabaSPhilippe Mathieu-Daudé __func__); 357dc2deabaSPhilippe Mathieu-Daudé cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 358dc2deabaSPhilippe Mathieu-Daudé return; 359dc2deabaSPhilippe Mathieu-Daudé } 360dc2deabaSPhilippe Mathieu-Daudé 361dc2deabaSPhilippe Mathieu-Daudé if (virtio_gpu_find_resource(g, cblob.resource_id)) { 362e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 363e0933d91SVivek Kasireddy __func__, cblob.resource_id); 364e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 365e0933d91SVivek Kasireddy return; 366e0933d91SVivek Kasireddy } 367e0933d91SVivek Kasireddy 368e0933d91SVivek Kasireddy res = g_new0(struct virtio_gpu_simple_resource, 1); 369e0933d91SVivek Kasireddy res->resource_id = cblob.resource_id; 370e0933d91SVivek Kasireddy res->blob_size = cblob.size; 371e0933d91SVivek Kasireddy 372e0933d91SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob), 373e0933d91SVivek Kasireddy cmd, &res->addrs, &res->iov, 374e0933d91SVivek Kasireddy &res->iov_cnt); 375fc4d3f35SDongwon Kim if (ret != 0) { 376e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 377dc2deabaSPhilippe Mathieu-Daudé g_free(res); 378e0933d91SVivek Kasireddy return; 379e0933d91SVivek Kasireddy } 380e0933d91SVivek Kasireddy 381e0933d91SVivek Kasireddy virtio_gpu_init_udmabuf(res); 382e0933d91SVivek Kasireddy QTAILQ_INSERT_HEAD(&g->reslist, res, next); 383e0933d91SVivek Kasireddy } 384e0933d91SVivek Kasireddy 385da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 386da566a18SGerd Hoffmann { 38750d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 388da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 389da566a18SGerd Hoffmann 390da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 391da566a18SGerd Hoffmann return; 392da566a18SGerd Hoffmann } 393da566a18SGerd Hoffmann 394da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 395da566a18SGerd Hoffmann if (res) { 396da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 397da566a18SGerd Hoffmann } 398da566a18SGerd Hoffmann 399ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 400da566a18SGerd Hoffmann scanout->resource_id = 0; 401da566a18SGerd Hoffmann scanout->ds = NULL; 402da566a18SGerd Hoffmann scanout->width = 0; 403da566a18SGerd Hoffmann scanout->height = 0; 404da566a18SGerd Hoffmann } 405da566a18SGerd Hoffmann 40662232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 40762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 40862232bf4SGerd Hoffmann { 4091fccd7c5SGerd Hoffmann int i; 4101fccd7c5SGerd Hoffmann 4111fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 41250d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 4131fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 4141fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 4151fccd7c5SGerd Hoffmann } 4161fccd7c5SGerd Hoffmann } 4171fccd7c5SGerd Hoffmann } 4181fccd7c5SGerd Hoffmann 41932db3c63SVivek Kasireddy qemu_pixman_image_unref(res->image); 4203bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 42162232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 4229b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 42362232bf4SGerd Hoffmann g_free(res); 42462232bf4SGerd Hoffmann } 42562232bf4SGerd Hoffmann 42662232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 42762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 42862232bf4SGerd Hoffmann { 42962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 43062232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 43162232bf4SGerd Hoffmann 43262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 4331715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 43462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 43562232bf4SGerd Hoffmann 43662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 43762232bf4SGerd Hoffmann if (!res) { 43862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 43962232bf4SGerd Hoffmann __func__, unref.resource_id); 44062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 44162232bf4SGerd Hoffmann return; 44262232bf4SGerd Hoffmann } 44362232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 44462232bf4SGerd Hoffmann } 44562232bf4SGerd Hoffmann 44662232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 44762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 44862232bf4SGerd Hoffmann { 44962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 450b097b80bSKeqian Zhu int h, bpp; 45162232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 45262232bf4SGerd Hoffmann pixman_format_code_t format; 45362232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 454b097b80bSKeqian Zhu void *img_data; 45562232bf4SGerd Hoffmann 45662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4571715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 45862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 45962232bf4SGerd Hoffmann 46025c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, t2d.resource_id, true, 46125c001a4SVivek Kasireddy __func__, &cmd->error); 462e0933d91SVivek Kasireddy if (!res || res->blob) { 46362232bf4SGerd Hoffmann return; 46462232bf4SGerd Hoffmann } 46562232bf4SGerd Hoffmann 46662232bf4SGerd Hoffmann if (t2d.r.x > res->width || 46762232bf4SGerd Hoffmann t2d.r.y > res->height || 46862232bf4SGerd Hoffmann t2d.r.width > res->width || 46962232bf4SGerd Hoffmann t2d.r.height > res->height || 47062232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 47162232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 47262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 47362232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47462232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 47562232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 47662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 47762232bf4SGerd Hoffmann return; 47862232bf4SGerd Hoffmann } 47962232bf4SGerd Hoffmann 48062232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 481e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 48262232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 483b097b80bSKeqian Zhu img_data = pixman_image_get_data(res->image); 48462232bf4SGerd Hoffmann 485b097b80bSKeqian Zhu if (t2d.r.x || t2d.r.width != pixman_image_get_width(res->image)) { 48662232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 48762232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 48862232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 48962232bf4SGerd Hoffmann 49062232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 491b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 492b097b80bSKeqian Zhu t2d.r.width * bpp); 49362232bf4SGerd Hoffmann } 49462232bf4SGerd Hoffmann } else { 495b097b80bSKeqian Zhu src_offset = t2d.offset; 496b097b80bSKeqian Zhu dst_offset = t2d.r.y * stride + t2d.r.x * bpp; 497b097b80bSKeqian Zhu iov_to_buf(res->iov, res->iov_cnt, src_offset, 498b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 499b097b80bSKeqian Zhu stride * t2d.r.height); 50062232bf4SGerd Hoffmann } 50162232bf4SGerd Hoffmann } 50262232bf4SGerd Hoffmann 50362232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 50462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 50562232bf4SGerd Hoffmann { 50662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 50762232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 50832db3c63SVivek Kasireddy struct virtio_gpu_scanout *scanout; 50962232bf4SGerd Hoffmann pixman_region16_t flush_region; 51034e29d85SVivek Kasireddy bool within_bounds = false; 51134e29d85SVivek Kasireddy bool update_submitted = false; 51262232bf4SGerd Hoffmann int i; 51362232bf4SGerd Hoffmann 51462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 5151715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 51662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 51762232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 51862232bf4SGerd Hoffmann 51925c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, rf.resource_id, false, 52025c001a4SVivek Kasireddy __func__, &cmd->error); 52132db3c63SVivek Kasireddy if (!res) { 52262232bf4SGerd Hoffmann return; 52362232bf4SGerd Hoffmann } 52462232bf4SGerd Hoffmann 52532db3c63SVivek Kasireddy if (res->blob) { 52632db3c63SVivek Kasireddy for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 52732db3c63SVivek Kasireddy scanout = &g->parent_obj.scanout[i]; 52832db3c63SVivek Kasireddy if (scanout->resource_id == res->resource_id && 52949a99ecbSDongwon Kim rf.r.x < scanout->x + scanout->width && 53049a99ecbSDongwon Kim rf.r.x + rf.r.width >= scanout->x && 53149a99ecbSDongwon Kim rf.r.y < scanout->y + scanout->height && 53234e29d85SVivek Kasireddy rf.r.y + rf.r.height >= scanout->y) { 53334e29d85SVivek Kasireddy within_bounds = true; 53434e29d85SVivek Kasireddy 53534e29d85SVivek Kasireddy if (console_has_gl(scanout->con)) { 53632db3c63SVivek Kasireddy dpy_gl_update(scanout->con, 0, 0, scanout->width, 53732db3c63SVivek Kasireddy scanout->height); 53834e29d85SVivek Kasireddy update_submitted = true; 539e86a93f5SDongwon Kim } 540e86a93f5SDongwon Kim } 54134e29d85SVivek Kasireddy } 54234e29d85SVivek Kasireddy 54334e29d85SVivek Kasireddy if (update_submitted) { 54432db3c63SVivek Kasireddy return; 54532db3c63SVivek Kasireddy } 54634e29d85SVivek Kasireddy if (!within_bounds) { 54734e29d85SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside scanouts" 54834e29d85SVivek Kasireddy " bounds for flush %d: %d %d %d %d\n", 54934e29d85SVivek Kasireddy __func__, rf.resource_id, rf.r.x, rf.r.y, 55034e29d85SVivek Kasireddy rf.r.width, rf.r.height); 55134e29d85SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 55234e29d85SVivek Kasireddy return; 55334e29d85SVivek Kasireddy } 55434e29d85SVivek Kasireddy } 55532db3c63SVivek Kasireddy 55632db3c63SVivek Kasireddy if (!res->blob && 55732db3c63SVivek Kasireddy (rf.r.x > res->width || 55862232bf4SGerd Hoffmann rf.r.y > res->height || 55962232bf4SGerd Hoffmann rf.r.width > res->width || 56062232bf4SGerd Hoffmann rf.r.height > res->height || 56162232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 56232db3c63SVivek Kasireddy rf.r.y + rf.r.height > res->height)) { 56362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 56462232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 56562232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 56662232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 56762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 56862232bf4SGerd Hoffmann return; 56962232bf4SGerd Hoffmann } 57062232bf4SGerd Hoffmann 57162232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 57262232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 57350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 57462232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 57562232bf4SGerd Hoffmann pixman_box16_t *extents; 57662232bf4SGerd Hoffmann 57762232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 57862232bf4SGerd Hoffmann continue; 57962232bf4SGerd Hoffmann } 58050d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 58162232bf4SGerd Hoffmann 58262232bf4SGerd Hoffmann pixman_region_init(&finalregion); 58362232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 58462232bf4SGerd Hoffmann scanout->width, scanout->height); 58562232bf4SGerd Hoffmann 58662232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 58762232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 58862232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 58962232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 59050d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 59162232bf4SGerd Hoffmann extents->x1, extents->y1, 59262232bf4SGerd Hoffmann extents->x2 - extents->x1, 59362232bf4SGerd Hoffmann extents->y2 - extents->y1); 59462232bf4SGerd Hoffmann 59562232bf4SGerd Hoffmann pixman_region_fini(®ion); 59662232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 59762232bf4SGerd Hoffmann } 59862232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 59962232bf4SGerd Hoffmann } 60062232bf4SGerd Hoffmann 601fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 602fa06e5cbSGerd Hoffmann { 603fa06e5cbSGerd Hoffmann pixman_image_unref(data); 604fa06e5cbSGerd Hoffmann } 605fa06e5cbSGerd Hoffmann 60681cd9f71SVivek Kasireddy static void virtio_gpu_update_scanout(VirtIOGPU *g, 60781cd9f71SVivek Kasireddy uint32_t scanout_id, 60881cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *res, 60981cd9f71SVivek Kasireddy struct virtio_gpu_rect *r) 61081cd9f71SVivek Kasireddy { 61181cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *ores; 61281cd9f71SVivek Kasireddy struct virtio_gpu_scanout *scanout; 61381cd9f71SVivek Kasireddy 61481cd9f71SVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 61581cd9f71SVivek Kasireddy ores = virtio_gpu_find_resource(g, scanout->resource_id); 61681cd9f71SVivek Kasireddy if (ores) { 61781cd9f71SVivek Kasireddy ores->scanout_bitmask &= ~(1 << scanout_id); 61881cd9f71SVivek Kasireddy } 61981cd9f71SVivek Kasireddy 62081cd9f71SVivek Kasireddy res->scanout_bitmask |= (1 << scanout_id); 62181cd9f71SVivek Kasireddy scanout->resource_id = res->resource_id; 62281cd9f71SVivek Kasireddy scanout->x = r->x; 62381cd9f71SVivek Kasireddy scanout->y = r->y; 62481cd9f71SVivek Kasireddy scanout->width = r->width; 62581cd9f71SVivek Kasireddy scanout->height = r->height; 62681cd9f71SVivek Kasireddy } 62781cd9f71SVivek Kasireddy 628e64d4b6aSVivek Kasireddy static void virtio_gpu_do_set_scanout(VirtIOGPU *g, 629e64d4b6aSVivek Kasireddy uint32_t scanout_id, 630e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer *fb, 631e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res, 632e64d4b6aSVivek Kasireddy struct virtio_gpu_rect *r, 633e64d4b6aSVivek Kasireddy uint32_t *error) 634e64d4b6aSVivek Kasireddy { 635e64d4b6aSVivek Kasireddy struct virtio_gpu_scanout *scanout; 636e64d4b6aSVivek Kasireddy uint8_t *data; 637e64d4b6aSVivek Kasireddy 638e64d4b6aSVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 639e64d4b6aSVivek Kasireddy 640e64d4b6aSVivek Kasireddy if (r->x > fb->width || 641e64d4b6aSVivek Kasireddy r->y > fb->height || 642e64d4b6aSVivek Kasireddy r->width < 16 || 643e64d4b6aSVivek Kasireddy r->height < 16 || 644e64d4b6aSVivek Kasireddy r->width > fb->width || 645e64d4b6aSVivek Kasireddy r->height > fb->height || 646e64d4b6aSVivek Kasireddy r->x + r->width > fb->width || 647e64d4b6aSVivek Kasireddy r->y + r->height > fb->height) { 648e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 649e64d4b6aSVivek Kasireddy " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n", 650e64d4b6aSVivek Kasireddy __func__, scanout_id, res->resource_id, 651e64d4b6aSVivek Kasireddy r->x, r->y, r->width, r->height, 652e64d4b6aSVivek Kasireddy fb->width, fb->height); 653e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 654e64d4b6aSVivek Kasireddy return; 655e64d4b6aSVivek Kasireddy } 656e64d4b6aSVivek Kasireddy 657e64d4b6aSVivek Kasireddy g->parent_obj.enable = 1; 65832db3c63SVivek Kasireddy 65932db3c63SVivek Kasireddy if (res->blob) { 66032db3c63SVivek Kasireddy if (console_has_gl(scanout->con)) { 661e86a93f5SDongwon Kim if (!virtio_gpu_update_dmabuf(g, scanout_id, res, fb, r)) { 66232db3c63SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 6637b41ca8dSDongwon Kim } else { 6647b41ca8dSDongwon Kim *error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 66532db3c63SVivek Kasireddy } 6667b41ca8dSDongwon Kim return; 66732db3c63SVivek Kasireddy } 66832db3c63SVivek Kasireddy 66932db3c63SVivek Kasireddy data = res->blob; 67032db3c63SVivek Kasireddy } else { 671e64d4b6aSVivek Kasireddy data = (uint8_t *)pixman_image_get_data(res->image); 67232db3c63SVivek Kasireddy } 673e64d4b6aSVivek Kasireddy 674e64d4b6aSVivek Kasireddy /* create a surface for this scanout */ 67532db3c63SVivek Kasireddy if ((res->blob && !console_has_gl(scanout->con)) || 67632db3c63SVivek Kasireddy !scanout->ds || 677e64d4b6aSVivek Kasireddy surface_data(scanout->ds) != data + fb->offset || 678e64d4b6aSVivek Kasireddy scanout->width != r->width || 679e64d4b6aSVivek Kasireddy scanout->height != r->height) { 680e64d4b6aSVivek Kasireddy pixman_image_t *rect; 681e64d4b6aSVivek Kasireddy void *ptr = data + fb->offset; 682e64d4b6aSVivek Kasireddy rect = pixman_image_create_bits(fb->format, r->width, r->height, 683e64d4b6aSVivek Kasireddy ptr, fb->stride); 684e64d4b6aSVivek Kasireddy 685e64d4b6aSVivek Kasireddy if (res->image) { 686e64d4b6aSVivek Kasireddy pixman_image_ref(res->image); 687e64d4b6aSVivek Kasireddy pixman_image_set_destroy_function(rect, virtio_unref_resource, 688e64d4b6aSVivek Kasireddy res->image); 689e64d4b6aSVivek Kasireddy } 690e64d4b6aSVivek Kasireddy 691e64d4b6aSVivek Kasireddy /* realloc the surface ptr */ 692e64d4b6aSVivek Kasireddy scanout->ds = qemu_create_displaysurface_pixman(rect); 693e64d4b6aSVivek Kasireddy if (!scanout->ds) { 694e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 695e64d4b6aSVivek Kasireddy return; 696e64d4b6aSVivek Kasireddy } 6979462ff46SMarc-André Lureau #ifdef WIN32 6989462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, fb->offset); 6999462ff46SMarc-André Lureau #endif 700e64d4b6aSVivek Kasireddy 701e64d4b6aSVivek Kasireddy pixman_image_unref(rect); 702e64d4b6aSVivek Kasireddy dpy_gfx_replace_surface(g->parent_obj.scanout[scanout_id].con, 703e64d4b6aSVivek Kasireddy scanout->ds); 704e64d4b6aSVivek Kasireddy } 705e64d4b6aSVivek Kasireddy 70681cd9f71SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 707e64d4b6aSVivek Kasireddy } 708e64d4b6aSVivek Kasireddy 70962232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 71062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 71162232bf4SGerd Hoffmann { 712e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res; 713e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 71462232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 71562232bf4SGerd Hoffmann 71662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 7171715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 71862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 71962232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 72062232bf4SGerd Hoffmann 7214fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7224fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7234fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7244fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7254fa7b4ccSGerd Hoffmann return; 7264fa7b4ccSGerd Hoffmann } 7274fa7b4ccSGerd Hoffmann 72862232bf4SGerd Hoffmann if (ss.resource_id == 0) { 729da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 73062232bf4SGerd Hoffmann return; 73162232bf4SGerd Hoffmann } 73262232bf4SGerd Hoffmann 73325c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 73425c001a4SVivek Kasireddy __func__, &cmd->error); 73562232bf4SGerd Hoffmann if (!res) { 73662232bf4SGerd Hoffmann return; 73762232bf4SGerd Hoffmann } 73862232bf4SGerd Hoffmann 739e64d4b6aSVivek Kasireddy fb.format = pixman_image_get_format(res->image); 740e64d4b6aSVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 741e64d4b6aSVivek Kasireddy fb.width = pixman_image_get_width(res->image); 742e64d4b6aSVivek Kasireddy fb.height = pixman_image_get_height(res->image); 743e64d4b6aSVivek Kasireddy fb.stride = pixman_image_get_stride(res->image); 744e64d4b6aSVivek Kasireddy fb.offset = ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 74562232bf4SGerd Hoffmann 746e64d4b6aSVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 747e64d4b6aSVivek Kasireddy &fb, res, &ss.r, &cmd->error); 74862232bf4SGerd Hoffmann } 74962232bf4SGerd Hoffmann 75032db3c63SVivek Kasireddy static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, 75132db3c63SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 75232db3c63SVivek Kasireddy { 75332db3c63SVivek Kasireddy struct virtio_gpu_simple_resource *res; 75432db3c63SVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 75532db3c63SVivek Kasireddy struct virtio_gpu_set_scanout_blob ss; 75632db3c63SVivek Kasireddy uint64_t fbend; 75732db3c63SVivek Kasireddy 75832db3c63SVivek Kasireddy VIRTIO_GPU_FILL_CMD(ss); 75932db3c63SVivek Kasireddy virtio_gpu_scanout_blob_bswap(&ss); 76032db3c63SVivek Kasireddy trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id, 76132db3c63SVivek Kasireddy ss.r.width, ss.r.height, ss.r.x, 76232db3c63SVivek Kasireddy ss.r.y); 76332db3c63SVivek Kasireddy 7644fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7654fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7664fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7674fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7684fa7b4ccSGerd Hoffmann return; 7694fa7b4ccSGerd Hoffmann } 7704fa7b4ccSGerd Hoffmann 77132db3c63SVivek Kasireddy if (ss.resource_id == 0) { 77232db3c63SVivek Kasireddy virtio_gpu_disable_scanout(g, ss.scanout_id); 77332db3c63SVivek Kasireddy return; 77432db3c63SVivek Kasireddy } 77532db3c63SVivek Kasireddy 77632db3c63SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 77732db3c63SVivek Kasireddy __func__, &cmd->error); 77832db3c63SVivek Kasireddy if (!res) { 77932db3c63SVivek Kasireddy return; 78032db3c63SVivek Kasireddy } 78132db3c63SVivek Kasireddy 78232db3c63SVivek Kasireddy fb.format = virtio_gpu_get_pixman_format(ss.format); 78332db3c63SVivek Kasireddy if (!fb.format) { 78432db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 78532db3c63SVivek Kasireddy "%s: host couldn't handle guest format %d\n", 78632db3c63SVivek Kasireddy __func__, ss.format); 78732db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 78832db3c63SVivek Kasireddy return; 78932db3c63SVivek Kasireddy } 79032db3c63SVivek Kasireddy 79132db3c63SVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 79232db3c63SVivek Kasireddy fb.width = ss.width; 79332db3c63SVivek Kasireddy fb.height = ss.height; 79432db3c63SVivek Kasireddy fb.stride = ss.strides[0]; 79532db3c63SVivek Kasireddy fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 79632db3c63SVivek Kasireddy 79732db3c63SVivek Kasireddy fbend = fb.offset; 79832db3c63SVivek Kasireddy fbend += fb.stride * (ss.r.height - 1); 79932db3c63SVivek Kasireddy fbend += fb.bytes_pp * ss.r.width; 80032db3c63SVivek Kasireddy if (fbend > res->blob_size) { 80132db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 80232db3c63SVivek Kasireddy "%s: fb end out of range\n", 80332db3c63SVivek Kasireddy __func__); 80432db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 80532db3c63SVivek Kasireddy return; 80632db3c63SVivek Kasireddy } 80732db3c63SVivek Kasireddy 80832db3c63SVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 80932db3c63SVivek Kasireddy &fb, res, &ss.r, &cmd->error); 81032db3c63SVivek Kasireddy } 81132db3c63SVivek Kasireddy 8123bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 81370d37662SVivek Kasireddy uint32_t nr_entries, uint32_t offset, 81462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 8159049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 8169049f8bcSGerd Hoffmann uint32_t *niov) 81762232bf4SGerd Hoffmann { 81862232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 81962232bf4SGerd Hoffmann size_t esize, s; 8209049f8bcSGerd Hoffmann int e, v; 82162232bf4SGerd Hoffmann 82270d37662SVivek Kasireddy if (nr_entries > 16384) { 82362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 8242c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 82570d37662SVivek Kasireddy __func__, nr_entries); 82662232bf4SGerd Hoffmann return -1; 82762232bf4SGerd Hoffmann } 82862232bf4SGerd Hoffmann 82970d37662SVivek Kasireddy esize = sizeof(*ents) * nr_entries; 83062232bf4SGerd Hoffmann ents = g_malloc(esize); 83162232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 83270d37662SVivek Kasireddy offset, ents, esize); 83362232bf4SGerd Hoffmann if (s != esize) { 83462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 83562232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 83662232bf4SGerd Hoffmann __func__, s, esize); 83762232bf4SGerd Hoffmann g_free(ents); 83862232bf4SGerd Hoffmann return -1; 83962232bf4SGerd Hoffmann } 84062232bf4SGerd Hoffmann 8419049f8bcSGerd Hoffmann *iov = NULL; 8420c244e50SGerd Hoffmann if (addr) { 8439049f8bcSGerd Hoffmann *addr = NULL; 8440c244e50SGerd Hoffmann } 84570d37662SVivek Kasireddy for (e = 0, v = 0; e < nr_entries; e++) { 8469049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 8479049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 8489049f8bcSGerd Hoffmann hwaddr len; 8499049f8bcSGerd Hoffmann void *map; 8509049f8bcSGerd Hoffmann 8519049f8bcSGerd Hoffmann do { 8529049f8bcSGerd Hoffmann len = l; 853a1d4b0a3SPhilippe Mathieu-Daudé map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, a, &len, 854a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE, 855a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED); 8569049f8bcSGerd Hoffmann if (!map) { 85762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 85870d37662SVivek Kasireddy " element %d\n", __func__, e); 8599049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 86062232bf4SGerd Hoffmann g_free(ents); 86162232bf4SGerd Hoffmann *iov = NULL; 8620c244e50SGerd Hoffmann if (addr) { 8630c244e50SGerd Hoffmann g_free(*addr); 8640c244e50SGerd Hoffmann *addr = NULL; 8650c244e50SGerd Hoffmann } 86662232bf4SGerd Hoffmann return -1; 86762232bf4SGerd Hoffmann } 8689049f8bcSGerd Hoffmann 8699049f8bcSGerd Hoffmann if (!(v % 16)) { 870b21e2380SMarkus Armbruster *iov = g_renew(struct iovec, *iov, v + 16); 8719049f8bcSGerd Hoffmann if (addr) { 872b21e2380SMarkus Armbruster *addr = g_renew(uint64_t, *addr, v + 16); 87362232bf4SGerd Hoffmann } 8749049f8bcSGerd Hoffmann } 8759049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 8769049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 8779049f8bcSGerd Hoffmann if (addr) { 8789049f8bcSGerd Hoffmann (*addr)[v] = a; 8799049f8bcSGerd Hoffmann } 8809049f8bcSGerd Hoffmann 8819049f8bcSGerd Hoffmann a += len; 8829049f8bcSGerd Hoffmann l -= len; 8839049f8bcSGerd Hoffmann v += 1; 8849049f8bcSGerd Hoffmann } while (l > 0); 8859049f8bcSGerd Hoffmann } 8869049f8bcSGerd Hoffmann *niov = v; 8879049f8bcSGerd Hoffmann 88862232bf4SGerd Hoffmann g_free(ents); 88962232bf4SGerd Hoffmann return 0; 89062232bf4SGerd Hoffmann } 89162232bf4SGerd Hoffmann 8923bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 8933bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 89462232bf4SGerd Hoffmann { 89562232bf4SGerd Hoffmann int i; 89662232bf4SGerd Hoffmann 89762232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 8988da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 8998da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 9008da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 90162232bf4SGerd Hoffmann iov[i].iov_len); 90262232bf4SGerd Hoffmann } 9037f3be0f2SGerd Hoffmann g_free(iov); 90462232bf4SGerd Hoffmann } 90562232bf4SGerd Hoffmann 90649a8b659SAntonio Caggiano void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 9073bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 90862232bf4SGerd Hoffmann { 9093bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 91062232bf4SGerd Hoffmann res->iov = NULL; 91162232bf4SGerd Hoffmann res->iov_cnt = 0; 9120c244e50SGerd Hoffmann g_free(res->addrs); 9130c244e50SGerd Hoffmann res->addrs = NULL; 914e0933d91SVivek Kasireddy 915e0933d91SVivek Kasireddy if (res->blob) { 916e0933d91SVivek Kasireddy virtio_gpu_fini_udmabuf(res); 917e0933d91SVivek Kasireddy } 91862232bf4SGerd Hoffmann } 91962232bf4SGerd Hoffmann 92062232bf4SGerd Hoffmann static void 92162232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 92262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 92362232bf4SGerd Hoffmann { 92462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 92562232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 92662232bf4SGerd Hoffmann int ret; 92762232bf4SGerd Hoffmann 92862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 9291715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 93062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 93162232bf4SGerd Hoffmann 93262232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 93362232bf4SGerd Hoffmann if (!res) { 93462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 93562232bf4SGerd Hoffmann __func__, ab.resource_id); 93662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 93762232bf4SGerd Hoffmann return; 93862232bf4SGerd Hoffmann } 93962232bf4SGerd Hoffmann 940204f01b3SLi Qiang if (res->iov) { 941204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 942204f01b3SLi Qiang return; 943204f01b3SLi Qiang } 944204f01b3SLi Qiang 94570d37662SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd, 94670d37662SVivek Kasireddy &res->addrs, &res->iov, &res->iov_cnt); 94762232bf4SGerd Hoffmann if (ret != 0) { 94862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 94962232bf4SGerd Hoffmann return; 95062232bf4SGerd Hoffmann } 95162232bf4SGerd Hoffmann } 95262232bf4SGerd Hoffmann 95362232bf4SGerd Hoffmann static void 95462232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 95562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 95662232bf4SGerd Hoffmann { 95762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 95862232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 95962232bf4SGerd Hoffmann 96062232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 9611715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 96262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 96362232bf4SGerd Hoffmann 96425c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, detach.resource_id, true, 96525c001a4SVivek Kasireddy __func__, &cmd->error); 96625c001a4SVivek Kasireddy if (!res) { 96762232bf4SGerd Hoffmann return; 96862232bf4SGerd Hoffmann } 9693bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 97062232bf4SGerd Hoffmann } 97162232bf4SGerd Hoffmann 9722f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 97362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 97462232bf4SGerd Hoffmann { 97562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 9761715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 97762232bf4SGerd Hoffmann 97862232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 97962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 98062232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 98162232bf4SGerd Hoffmann break; 9821ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 9831ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 9841ed2cb32SGerd Hoffmann break; 98562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 98662232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 98762232bf4SGerd Hoffmann break; 988e0933d91SVivek Kasireddy case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB: 989e0933d91SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 990e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 991e0933d91SVivek Kasireddy break; 992e0933d91SVivek Kasireddy } 993e0933d91SVivek Kasireddy virtio_gpu_resource_create_blob(g, cmd); 994e0933d91SVivek Kasireddy break; 99562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 99662232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 99762232bf4SGerd Hoffmann break; 99862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 99962232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 100062232bf4SGerd Hoffmann break; 100162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 100262232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 100362232bf4SGerd Hoffmann break; 100462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 100562232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 100662232bf4SGerd Hoffmann break; 100732db3c63SVivek Kasireddy case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB: 100832db3c63SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 100932db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 101032db3c63SVivek Kasireddy break; 101132db3c63SVivek Kasireddy } 101232db3c63SVivek Kasireddy virtio_gpu_set_scanout_blob(g, cmd); 101332db3c63SVivek Kasireddy break; 101462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 101562232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 101662232bf4SGerd Hoffmann break; 101762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 101862232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 101962232bf4SGerd Hoffmann break; 102062232bf4SGerd Hoffmann default: 102162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 102262232bf4SGerd Hoffmann break; 102362232bf4SGerd Hoffmann } 102462232bf4SGerd Hoffmann if (!cmd->finished) { 1025b3a5dfdeSVivek Kasireddy if (!g->parent_obj.renderer_blocked) { 102662232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 102762232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 102862232bf4SGerd Hoffmann } 102962232bf4SGerd Hoffmann } 1030b3a5dfdeSVivek Kasireddy } 103162232bf4SGerd Hoffmann 103262232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 103362232bf4SGerd Hoffmann { 103462232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 103562232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 103662232bf4SGerd Hoffmann } 103762232bf4SGerd Hoffmann 103862232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 103962232bf4SGerd Hoffmann { 104062232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 104162232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 104262232bf4SGerd Hoffmann } 104362232bf4SGerd Hoffmann 10440c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 10453eb769fdSGerd Hoffmann { 10463eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 10472f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 10483eb769fdSGerd Hoffmann 1049f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 1050f8f3c271SMarc-André Lureau return; 1051f8f3c271SMarc-André Lureau } 1052f8f3c271SMarc-André Lureau g->processing_cmdq = true; 10533eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 10543eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 10553eb769fdSGerd Hoffmann 105650d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 10570c55a1cfSGerd Hoffmann break; 10580c55a1cfSGerd Hoffmann } 1059ad341aacSMarc-André Lureau 1060ad341aacSMarc-André Lureau /* process command */ 10612f47691aSGerd Hoffmann vgc->process_cmd(g, cmd); 1062ad341aacSMarc-André Lureau 10633eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 106450d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10653eb769fdSGerd Hoffmann g->stats.requests++; 10663eb769fdSGerd Hoffmann } 10673eb769fdSGerd Hoffmann 10683eb769fdSGerd Hoffmann if (!cmd->finished) { 10693eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 10703eb769fdSGerd Hoffmann g->inflight++; 107150d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10723eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 10733eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 10743eb769fdSGerd Hoffmann } 10753eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 10763eb769fdSGerd Hoffmann } 10773eb769fdSGerd Hoffmann } else { 10783eb769fdSGerd Hoffmann g_free(cmd); 10793eb769fdSGerd Hoffmann } 10803eb769fdSGerd Hoffmann } 1081f8f3c271SMarc-André Lureau g->processing_cmdq = false; 10823eb769fdSGerd Hoffmann } 10833eb769fdSGerd Hoffmann 1084b3a5dfdeSVivek Kasireddy static void virtio_gpu_process_fenceq(VirtIOGPU *g) 1085b3a5dfdeSVivek Kasireddy { 1086b3a5dfdeSVivek Kasireddy struct virtio_gpu_ctrl_command *cmd, *tmp; 1087b3a5dfdeSVivek Kasireddy 1088b3a5dfdeSVivek Kasireddy QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { 1089b3a5dfdeSVivek Kasireddy trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id); 1090b3a5dfdeSVivek Kasireddy virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); 1091b3a5dfdeSVivek Kasireddy QTAILQ_REMOVE(&g->fenceq, cmd, next); 1092b3a5dfdeSVivek Kasireddy g_free(cmd); 1093b3a5dfdeSVivek Kasireddy g->inflight--; 1094b3a5dfdeSVivek Kasireddy if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 1095b3a5dfdeSVivek Kasireddy fprintf(stderr, "inflight: %3d (-)\r", g->inflight); 1096b3a5dfdeSVivek Kasireddy } 1097b3a5dfdeSVivek Kasireddy } 1098b3a5dfdeSVivek Kasireddy } 1099b3a5dfdeSVivek Kasireddy 1100b3a5dfdeSVivek Kasireddy static void virtio_gpu_handle_gl_flushed(VirtIOGPUBase *b) 1101b3a5dfdeSVivek Kasireddy { 1102b3a5dfdeSVivek Kasireddy VirtIOGPU *g = container_of(b, VirtIOGPU, parent_obj); 1103b3a5dfdeSVivek Kasireddy 1104b3a5dfdeSVivek Kasireddy virtio_gpu_process_fenceq(g); 1105b3a5dfdeSVivek Kasireddy virtio_gpu_process_cmdq(g); 1106b3a5dfdeSVivek Kasireddy } 1107b3a5dfdeSVivek Kasireddy 110862232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 110962232bf4SGerd Hoffmann { 111062232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 111162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 111262232bf4SGerd Hoffmann 111362232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 111462232bf4SGerd Hoffmann return; 111562232bf4SGerd Hoffmann } 111662232bf4SGerd Hoffmann 111751b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 111851b19ebeSPaolo Bonzini while (cmd) { 111962232bf4SGerd Hoffmann cmd->vq = vq; 112062232bf4SGerd Hoffmann cmd->error = 0; 112162232bf4SGerd Hoffmann cmd->finished = false; 11223eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 112351b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 112462232bf4SGerd Hoffmann } 11259d9e1521SGerd Hoffmann 11263eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 112762232bf4SGerd Hoffmann } 112862232bf4SGerd Hoffmann 112962232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 113062232bf4SGerd Hoffmann { 113162232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 1132cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 1133cabbe8e5SGerd Hoffmann 11343daccfffSPhilippe Mathieu-Daudé vgc->handle_ctrl(VIRTIO_DEVICE(g), g->ctrl_vq); 113562232bf4SGerd Hoffmann } 113662232bf4SGerd Hoffmann 113762232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 113862232bf4SGerd Hoffmann { 113962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 114051b19ebeSPaolo Bonzini VirtQueueElement *elem; 114162232bf4SGerd Hoffmann size_t s; 114262232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 114362232bf4SGerd Hoffmann 114462232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 114562232bf4SGerd Hoffmann return; 114662232bf4SGerd Hoffmann } 114751b19ebeSPaolo Bonzini for (;;) { 114851b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 114951b19ebeSPaolo Bonzini if (!elem) { 115051b19ebeSPaolo Bonzini break; 115151b19ebeSPaolo Bonzini } 115251b19ebeSPaolo Bonzini 115351b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 115462232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 115562232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 115662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 115762232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 115862232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 115962232bf4SGerd Hoffmann } else { 11601715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 116162232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 116262232bf4SGerd Hoffmann } 116351b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 116462232bf4SGerd Hoffmann virtio_notify(vdev, vq); 116551b19ebeSPaolo Bonzini g_free(elem); 116662232bf4SGerd Hoffmann } 116762232bf4SGerd Hoffmann } 116862232bf4SGerd Hoffmann 116962232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 117062232bf4SGerd Hoffmann { 117162232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 117250d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 117362232bf4SGerd Hoffmann } 117462232bf4SGerd Hoffmann 11750c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 11760c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 11770c244e50SGerd Hoffmann .version_id = 1, 11780c244e50SGerd Hoffmann .fields = (VMStateField[]) { 11790c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 11800c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 11810c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 11820c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 11830c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 11840c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 11850c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 11860c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 11870c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 11880c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 11890c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11900c244e50SGerd Hoffmann }, 11910c244e50SGerd Hoffmann }; 11920c244e50SGerd Hoffmann 11930c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 11940c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 11950c244e50SGerd Hoffmann .version_id = 1, 11960c244e50SGerd Hoffmann .fields = (VMStateField[]) { 119750d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 119850d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 119950d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 120050d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 120150d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 12020c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 12030c244e50SGerd Hoffmann struct virtio_gpu_scanout), 12040c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 12050c244e50SGerd Hoffmann }, 12060c244e50SGerd Hoffmann }; 12070c244e50SGerd Hoffmann 12082c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 12093ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 12100c244e50SGerd Hoffmann { 12110c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 12120c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12130c244e50SGerd Hoffmann int i; 12140c244e50SGerd Hoffmann 12150c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 12160c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 12170c244e50SGerd Hoffmann 12180c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12190c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 12200c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 12210c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 12220c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 12230c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 12240c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12250c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 12260c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 12270c244e50SGerd Hoffmann } 12280c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 12290c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 12300c244e50SGerd Hoffmann } 12310c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 12320c244e50SGerd Hoffmann 12332f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 12340c244e50SGerd Hoffmann } 12350c244e50SGerd Hoffmann 1236e92ffae6SMarc-André Lureau static bool virtio_gpu_load_restore_mapping(VirtIOGPU *g, 1237e92ffae6SMarc-André Lureau struct virtio_gpu_simple_resource *res) 1238e92ffae6SMarc-André Lureau { 1239e92ffae6SMarc-André Lureau int i; 1240e92ffae6SMarc-André Lureau 1241e92ffae6SMarc-André Lureau for (i = 0; i < res->iov_cnt; i++) { 1242e92ffae6SMarc-André Lureau hwaddr len = res->iov[i].iov_len; 1243e92ffae6SMarc-André Lureau res->iov[i].iov_base = 1244e92ffae6SMarc-André Lureau dma_memory_map(VIRTIO_DEVICE(g)->dma_as, res->addrs[i], &len, 1245e92ffae6SMarc-André Lureau DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED); 1246e92ffae6SMarc-André Lureau 1247e92ffae6SMarc-André Lureau if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1248e92ffae6SMarc-André Lureau /* Clean up the half-a-mapping we just created... */ 1249e92ffae6SMarc-André Lureau if (res->iov[i].iov_base) { 1250e92ffae6SMarc-André Lureau dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, res->iov[i].iov_base, 1251e92ffae6SMarc-André Lureau len, DMA_DIRECTION_TO_DEVICE, 0); 1252e92ffae6SMarc-André Lureau } 1253e92ffae6SMarc-André Lureau /* ...and the mappings for previous loop iterations */ 1254e92ffae6SMarc-André Lureau res->iov_cnt = i; 1255e92ffae6SMarc-André Lureau virtio_gpu_cleanup_mapping(g, res); 1256e92ffae6SMarc-André Lureau return false; 1257e92ffae6SMarc-André Lureau } 1258e92ffae6SMarc-André Lureau } 1259e92ffae6SMarc-André Lureau 1260e92ffae6SMarc-André Lureau QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1261e92ffae6SMarc-André Lureau g->hostmem += res->hostmem; 1262e92ffae6SMarc-André Lureau return true; 1263e92ffae6SMarc-André Lureau } 1264e92ffae6SMarc-André Lureau 12652c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 126603fee66fSMarc-André Lureau const VMStateField *field) 12670c244e50SGerd Hoffmann { 12680c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 12690c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12700c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 12710c244e50SGerd Hoffmann uint32_t resource_id, pformat; 12729462ff46SMarc-André Lureau void *bits = NULL; 12738a502efdSHalil Pasic int i; 12740c244e50SGerd Hoffmann 1275039aa5dbSPeter Maydell g->hostmem = 0; 1276039aa5dbSPeter Maydell 12770c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 12780c244e50SGerd Hoffmann while (resource_id != 0) { 1279b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1280b0ee78ffSLi Qiang if (res) { 1281b0ee78ffSLi Qiang return -EINVAL; 1282b0ee78ffSLi Qiang } 1283b0ee78ffSLi Qiang 12840c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 12850c244e50SGerd Hoffmann res->resource_id = resource_id; 12860c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 12870c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 12880c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 12890c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 12900c244e50SGerd Hoffmann 12910c244e50SGerd Hoffmann /* allocate */ 129283a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 12930c244e50SGerd Hoffmann if (!pformat) { 1294c84f0f25SPeter Maydell g_free(res); 12950c244e50SGerd Hoffmann return -EINVAL; 12960c244e50SGerd Hoffmann } 12979462ff46SMarc-André Lureau 12989462ff46SMarc-André Lureau res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 12999462ff46SMarc-André Lureau #ifdef WIN32 13009462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn); 13019462ff46SMarc-André Lureau if (!bits) { 13029462ff46SMarc-André Lureau g_free(res); 13039462ff46SMarc-André Lureau return -EINVAL; 13049462ff46SMarc-André Lureau } 13059462ff46SMarc-André Lureau #endif 13069c18a923SMarc-André Lureau res->image = pixman_image_create_bits( 13079c18a923SMarc-André Lureau pformat, 13080c244e50SGerd Hoffmann res->width, res->height, 13099c18a923SMarc-André Lureau bits, res->height ? res->hostmem / res->height : 0); 13100c244e50SGerd Hoffmann if (!res->image) { 1311c84f0f25SPeter Maydell g_free(res); 13120c244e50SGerd Hoffmann return -EINVAL; 13130c244e50SGerd Hoffmann } 131404562ee8SMarc-André Lureau #ifdef WIN32 131504562ee8SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle); 131604562ee8SMarc-André Lureau #endif 1317039aa5dbSPeter Maydell 13180c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 13190c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 13200c244e50SGerd Hoffmann 13210c244e50SGerd Hoffmann /* read data */ 13220c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 13230c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 13240c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 13250c244e50SGerd Hoffmann } 13260c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 13270c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 13280c244e50SGerd Hoffmann 1329e92ffae6SMarc-André Lureau if (!virtio_gpu_load_restore_mapping(g, res)) { 1330c84f0f25SPeter Maydell pixman_image_unref(res->image); 1331c84f0f25SPeter Maydell g_free(res); 13320c244e50SGerd Hoffmann return -EINVAL; 13330c244e50SGerd Hoffmann } 13340c244e50SGerd Hoffmann 13350c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 13360c244e50SGerd Hoffmann } 13370c244e50SGerd Hoffmann 13380c244e50SGerd Hoffmann /* load & apply scanout state */ 13390c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 134050d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 1341529969b8SMarc-André Lureau /* FIXME: should take scanout.r.{x,y} into account */ 134250d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 13430c244e50SGerd Hoffmann if (!scanout->resource_id) { 13440c244e50SGerd Hoffmann continue; 13450c244e50SGerd Hoffmann } 13460c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 13470c244e50SGerd Hoffmann if (!res) { 13480c244e50SGerd Hoffmann return -EINVAL; 13490c244e50SGerd Hoffmann } 13500c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 13510c244e50SGerd Hoffmann if (!scanout->ds) { 13520c244e50SGerd Hoffmann return -EINVAL; 13530c244e50SGerd Hoffmann } 13549462ff46SMarc-André Lureau #ifdef WIN32 13559462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, 0); 13569462ff46SMarc-André Lureau #endif 13570c244e50SGerd Hoffmann 13580c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 135991155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 136010750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 13610c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 136210750ee0SGerd Hoffmann } 13630c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 13640c244e50SGerd Hoffmann } 13650c244e50SGerd Hoffmann 13660c244e50SGerd Hoffmann return 0; 13670c244e50SGerd Hoffmann } 13680c244e50SGerd Hoffmann 136937f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 137062232bf4SGerd Hoffmann { 137162232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 137262232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 13739d9e1521SGerd Hoffmann 1374cce386e1SVivek Kasireddy if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { 13758e7b21caSGurchetan Singh if (!virtio_gpu_rutabaga_enabled(g->parent_obj.conf) && 13768e7b21caSGurchetan Singh !virtio_gpu_have_udmabuf()) { 13778e7b21caSGurchetan Singh error_setg(errp, "need rutabaga or udmabuf for blob resources"); 1378cce386e1SVivek Kasireddy return; 1379cce386e1SVivek Kasireddy } 1380cce386e1SVivek Kasireddy 1381cce386e1SVivek Kasireddy if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) { 1382cce386e1SVivek Kasireddy error_setg(errp, "blobs and virgl are not compatible (yet)"); 1383cce386e1SVivek Kasireddy return; 1384cce386e1SVivek Kasireddy } 13859c549ab6SMarc-André Lureau 13869c549ab6SMarc-André Lureau if (!blob_mig_blocker) { 13879c549ab6SMarc-André Lureau error_setg(&blob_mig_blocker, 13889c549ab6SMarc-André Lureau "virtio-gpu blob VMs are currently not migratable."); 13899c549ab6SMarc-André Lureau } 13909c549ab6SMarc-André Lureau if (migrate_add_blocker(blob_mig_blocker, errp)) { 13919c549ab6SMarc-André Lureau return; 13929c549ab6SMarc-André Lureau } 1393cce386e1SVivek Kasireddy } 1394cce386e1SVivek Kasireddy 139550d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 139650d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 139750d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 139850d8e25eSMarc-André Lureau errp)) { 1399fe44dc91SAshijeet Acharya return; 1400fe44dc91SAshijeet Acharya } 1401fe44dc91SAshijeet Acharya 140250d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 140350d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 1404f63192b0SAlexander Bulekov g->ctrl_bh = qemu_bh_new_guarded(virtio_gpu_ctrl_bh, g, 1405f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 1406f63192b0SAlexander Bulekov g->cursor_bh = qemu_bh_new_guarded(virtio_gpu_cursor_bh, g, 1407f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 1408a41e2d97SMarc-André Lureau g->reset_bh = qemu_bh_new(virtio_gpu_reset_bh, g); 1409a41e2d97SMarc-André Lureau qemu_cond_init(&g->reset_cond); 141062232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 14113eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 141262232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 141362232bf4SGerd Hoffmann } 141462232bf4SGerd Hoffmann 1415957d7786SMarc-André Lureau static void virtio_gpu_device_unrealize(DeviceState *qdev) 1416957d7786SMarc-André Lureau { 1417957d7786SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(qdev); 1418957d7786SMarc-André Lureau 14199c549ab6SMarc-André Lureau if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { 14209c549ab6SMarc-André Lureau migrate_del_blocker(blob_mig_blocker); 14219c549ab6SMarc-André Lureau } 1422957d7786SMarc-André Lureau g_clear_pointer(&g->ctrl_bh, qemu_bh_delete); 1423957d7786SMarc-André Lureau g_clear_pointer(&g->cursor_bh, qemu_bh_delete); 1424a41e2d97SMarc-André Lureau g_clear_pointer(&g->reset_bh, qemu_bh_delete); 1425a41e2d97SMarc-André Lureau qemu_cond_destroy(&g->reset_cond); 1426957d7786SMarc-André Lureau virtio_gpu_base_device_unrealize(qdev); 1427957d7786SMarc-André Lureau } 1428957d7786SMarc-André Lureau 1429a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque) 1430a41e2d97SMarc-André Lureau { 1431a41e2d97SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(opaque); 1432a41e2d97SMarc-André Lureau struct virtio_gpu_simple_resource *res, *tmp; 1433a41e2d97SMarc-André Lureau int i = 0; 1434a41e2d97SMarc-André Lureau 1435a41e2d97SMarc-André Lureau QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 1436a41e2d97SMarc-André Lureau virtio_gpu_resource_destroy(g, res); 1437a41e2d97SMarc-André Lureau } 1438a41e2d97SMarc-André Lureau 1439a41e2d97SMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 1440a41e2d97SMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[i].con, NULL); 1441a41e2d97SMarc-André Lureau } 1442a41e2d97SMarc-André Lureau 1443a41e2d97SMarc-André Lureau g->reset_finished = true; 1444a41e2d97SMarc-André Lureau qemu_cond_signal(&g->reset_cond); 1445a41e2d97SMarc-André Lureau } 1446a41e2d97SMarc-André Lureau 144776fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 144862232bf4SGerd Hoffmann { 144962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 1450dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 145162232bf4SGerd Hoffmann 1452a41e2d97SMarc-André Lureau if (qemu_in_vcpu_thread()) { 1453a41e2d97SMarc-André Lureau g->reset_finished = false; 1454a41e2d97SMarc-André Lureau qemu_bh_schedule(g->reset_bh); 1455a41e2d97SMarc-André Lureau while (!g->reset_finished) { 1456a41e2d97SMarc-André Lureau qemu_cond_wait_iothread(&g->reset_cond); 1457a41e2d97SMarc-André Lureau } 1458a41e2d97SMarc-André Lureau } else { 1459a41e2d97SMarc-André Lureau virtio_gpu_reset_bh(g); 146062232bf4SGerd Hoffmann } 14619d9e1521SGerd Hoffmann 1462dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1463dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1464dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1465dc84ed5bSGerd Hoffmann g_free(cmd); 1466dc84ed5bSGerd Hoffmann } 1467dc84ed5bSGerd Hoffmann 1468dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1469dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1470dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1471dc84ed5bSGerd Hoffmann g->inflight--; 1472dc84ed5bSGerd Hoffmann g_free(cmd); 1473dc84ed5bSGerd Hoffmann } 1474dc84ed5bSGerd Hoffmann 147550d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 147650d8e25eSMarc-André Lureau } 147750d8e25eSMarc-André Lureau 147850d8e25eSMarc-André Lureau static void 147950d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 148050d8e25eSMarc-André Lureau { 148150d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 148250d8e25eSMarc-André Lureau 148350d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 148450d8e25eSMarc-André Lureau } 148550d8e25eSMarc-André Lureau 148650d8e25eSMarc-André Lureau static void 148750d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 148850d8e25eSMarc-André Lureau { 148950d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 149050d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 149150d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 149250d8e25eSMarc-André Lureau 149350d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 149450d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 149550d8e25eSMarc-André Lureau } 149662232bf4SGerd Hoffmann } 149762232bf4SGerd Hoffmann 14988a502efdSHalil Pasic /* 14998a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 15008a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 15018a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 15028a502efdSHalil Pasic * is saved/loaded after the core data. 15038a502efdSHalil Pasic * 15048a502efdSHalil Pasic * Because of this we need a special vmsd. 15058a502efdSHalil Pasic */ 15068a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 15078a502efdSHalil Pasic .name = "virtio-gpu", 15088a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 15098a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 15108a502efdSHalil Pasic .fields = (VMStateField[]) { 15118a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 15128a502efdSHalil Pasic { 15138a502efdSHalil Pasic .name = "virtio-gpu", 15148a502efdSHalil Pasic .info = &(const VMStateInfo) { 15158a502efdSHalil Pasic .name = "virtio-gpu", 15168a502efdSHalil Pasic .get = virtio_gpu_load, 15178a502efdSHalil Pasic .put = virtio_gpu_save, 15188a502efdSHalil Pasic }, 15198a502efdSHalil Pasic .flags = VMS_SINGLE, 15208a502efdSHalil Pasic } /* device */, 15218a502efdSHalil Pasic VMSTATE_END_OF_LIST() 15228a502efdSHalil Pasic }, 15238a502efdSHalil Pasic }; 15240fc07498SDr. David Alan Gilbert 152562232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 152650d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 152750d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 152850d8e25eSMarc-André Lureau 256 * MiB), 1529cce386e1SVivek Kasireddy DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags, 1530cce386e1SVivek Kasireddy VIRTIO_GPU_FLAG_BLOB_ENABLED, false), 1531ba62dfa7SGerd Hoffmann DEFINE_PROP_SIZE("hostmem", VirtIOGPU, parent_obj.conf.hostmem, 0), 153262232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 153362232bf4SGerd Hoffmann }; 153462232bf4SGerd Hoffmann 153562232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 153662232bf4SGerd Hoffmann { 153762232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 153862232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1539cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 1540b3a5dfdeSVivek Kasireddy VirtIOGPUBaseClass *vgbc = &vgc->parent; 154162232bf4SGerd Hoffmann 1542cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 15432f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd; 15442c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data; 1545b3a5dfdeSVivek Kasireddy vgbc->gl_flushed = virtio_gpu_handle_gl_flushed; 1546cabbe8e5SGerd Hoffmann 154762232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 1548957d7786SMarc-André Lureau vdc->unrealize = virtio_gpu_device_unrealize; 154950d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 155062232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 155162232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 155262232bf4SGerd Hoffmann 15530fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 15544f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 155562232bf4SGerd Hoffmann } 155662232bf4SGerd Hoffmann 155762232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 155862232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 155950d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 156062232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1561cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 156262232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 156362232bf4SGerd Hoffmann }; 1564561d0f45SGerd Hoffmann module_obj(TYPE_VIRTIO_GPU); 156524ce7aa7SJose R. Ziviani module_kconfig(VIRTIO_GPU); 156662232bf4SGerd Hoffmann 156762232bf4SGerd Hoffmann static void virtio_register_types(void) 156862232bf4SGerd Hoffmann { 156962232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 157062232bf4SGerd Hoffmann } 157162232bf4SGerd Hoffmann 157262232bf4SGerd Hoffmann type_init(virtio_register_types) 1573