162232bf4SGerd Hoffmann /* 262232bf4SGerd Hoffmann * Virtio GPU Device 362232bf4SGerd Hoffmann * 462232bf4SGerd Hoffmann * Copyright Red Hat, Inc. 2013-2014 562232bf4SGerd Hoffmann * 662232bf4SGerd Hoffmann * Authors: 762232bf4SGerd Hoffmann * Dave Airlie <airlied@redhat.com> 862232bf4SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com> 962232bf4SGerd Hoffmann * 102e252145SGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 1162232bf4SGerd Hoffmann * See the COPYING file in the top-level directory. 1262232bf4SGerd Hoffmann */ 1362232bf4SGerd Hoffmann 149b8bfe21SPeter Maydell #include "qemu/osdep.h" 15f0353b0dSPhilippe Mathieu-Daudé #include "qemu/units.h" 1662232bf4SGerd Hoffmann #include "qemu/iov.h" 1762232bf4SGerd Hoffmann #include "ui/console.h" 1862232bf4SGerd Hoffmann #include "trace.h" 198da132a5SGerd Hoffmann #include "sysemu/dma.h" 202f780b6aSMarkus Armbruster #include "sysemu/sysemu.h" 2162232bf4SGerd Hoffmann #include "hw/virtio/virtio.h" 22ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h" 2362232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 24ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2583a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2662232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h" 271ed2cb32SGerd Hoffmann #include "hw/display/edid.h" 28a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 2903dd024fSPaolo Bonzini #include "qemu/log.h" 300b8fa32fSMarkus Armbruster #include "qemu/module.h" 315e3d741cSMarc-André Lureau #include "qapi/error.h" 3250d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3362232bf4SGerd Hoffmann 340c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 350c244e50SGerd Hoffmann 3662232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource* 3762232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); 3825c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource * 3925c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 4025c001a4SVivek Kasireddy bool require_backing, 4125c001a4SVivek Kasireddy const char *caller, uint32_t *error); 4262232bf4SGerd Hoffmann 433bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 443bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 45b8e23926SLi Qiang 462c267d66SGerd Hoffmann void virtio_gpu_update_cursor_data(VirtIOGPU *g, 4762232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 4862232bf4SGerd Hoffmann uint32_t resource_id) 4962232bf4SGerd Hoffmann { 5062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 5162232bf4SGerd Hoffmann uint32_t pixels; 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 11862232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 11962232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 12062232bf4SGerd Hoffmann { 12162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12262232bf4SGerd Hoffmann 12362232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12462232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 12562232bf4SGerd Hoffmann return res; 12662232bf4SGerd Hoffmann } 12762232bf4SGerd Hoffmann } 12862232bf4SGerd Hoffmann return NULL; 12962232bf4SGerd Hoffmann } 13062232bf4SGerd Hoffmann 13125c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource * 13225c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id, 13325c001a4SVivek Kasireddy bool require_backing, 13425c001a4SVivek Kasireddy const char *caller, uint32_t *error) 13525c001a4SVivek Kasireddy { 13625c001a4SVivek Kasireddy struct virtio_gpu_simple_resource *res; 13725c001a4SVivek Kasireddy 13825c001a4SVivek Kasireddy res = virtio_gpu_find_resource(g, resource_id); 13925c001a4SVivek Kasireddy if (!res) { 14025c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid resource specified %d\n", 14125c001a4SVivek Kasireddy caller, resource_id); 14225c001a4SVivek Kasireddy if (error) { 14325c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 14425c001a4SVivek Kasireddy } 14525c001a4SVivek Kasireddy return NULL; 14625c001a4SVivek Kasireddy } 14725c001a4SVivek Kasireddy 14825c001a4SVivek Kasireddy if (require_backing) { 149e0933d91SVivek Kasireddy if (!res->iov || (!res->image && !res->blob)) { 15025c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: no backing storage %d\n", 15125c001a4SVivek Kasireddy caller, resource_id); 15225c001a4SVivek Kasireddy if (error) { 15325c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 15425c001a4SVivek Kasireddy } 15525c001a4SVivek Kasireddy return NULL; 15625c001a4SVivek Kasireddy } 15725c001a4SVivek Kasireddy } 15825c001a4SVivek Kasireddy 15925c001a4SVivek Kasireddy return res; 16025c001a4SVivek Kasireddy } 16125c001a4SVivek Kasireddy 16262232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 16362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16562232bf4SGerd Hoffmann size_t resp_len) 16662232bf4SGerd Hoffmann { 16762232bf4SGerd Hoffmann size_t s; 16862232bf4SGerd Hoffmann 16962232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 17062232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 17162232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 17262232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 17362232bf4SGerd Hoffmann } 1741715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17562232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17662232bf4SGerd Hoffmann if (s != resp_len) { 17762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17862232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 17962232bf4SGerd Hoffmann __func__, s, resp_len); 18062232bf4SGerd Hoffmann } 18162232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 18262232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 18362232bf4SGerd Hoffmann cmd->finished = true; 18462232bf4SGerd Hoffmann } 18562232bf4SGerd Hoffmann 18662232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18862232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 18962232bf4SGerd Hoffmann { 19062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 19162232bf4SGerd Hoffmann 19262232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 19362232bf4SGerd Hoffmann resp.type = type; 19462232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19562232bf4SGerd Hoffmann } 19662232bf4SGerd Hoffmann 19762232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 19962232bf4SGerd Hoffmann { 20062232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 20162232bf4SGerd Hoffmann 20262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 20362232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20462232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20550d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20662232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20762232bf4SGerd Hoffmann sizeof(display_info)); 20862232bf4SGerd Hoffmann } 20962232bf4SGerd Hoffmann 2101ed2cb32SGerd Hoffmann static void 2111ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 2121ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 2131ed2cb32SGerd Hoffmann { 21450d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2151ed2cb32SGerd Hoffmann qemu_edid_info info = { 2164bf47f36SMarc-André Lureau .width_mm = b->req_state[scanout].width_mm, 2174bf47f36SMarc-André Lureau .height_mm = b->req_state[scanout].height_mm, 21850d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 21950d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 220b95b5631SAkihiko Odaki .refresh_rate = b->req_state[scanout].refresh_rate, 2211ed2cb32SGerd Hoffmann }; 2221ed2cb32SGerd Hoffmann 2231ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 2241ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 2251ed2cb32SGerd Hoffmann } 2261ed2cb32SGerd Hoffmann 2271ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2281ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2291ed2cb32SGerd Hoffmann { 2301ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2311ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 23250d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2331ed2cb32SGerd Hoffmann 2341ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2351ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2361ed2cb32SGerd Hoffmann 23750d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2381ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2391ed2cb32SGerd Hoffmann return; 2401ed2cb32SGerd Hoffmann } 2411ed2cb32SGerd Hoffmann 2421ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2431ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2441ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2451ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2461ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2471ed2cb32SGerd Hoffmann } 2481ed2cb32SGerd Hoffmann 249c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 250c53f5b89STao Wu uint32_t width, uint32_t height) 251c53f5b89STao Wu { 252c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 253c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 254c53f5b89STao Wu */ 255c53f5b89STao Wu 256c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 257c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 258c53f5b89STao Wu return height * stride; 259c53f5b89STao Wu } 260c53f5b89STao Wu 26162232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 26262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 26362232bf4SGerd Hoffmann { 26462232bf4SGerd Hoffmann pixman_format_code_t pformat; 26562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 26662232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26762232bf4SGerd Hoffmann 26862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2691715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 27062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 27162232bf4SGerd Hoffmann c2d.width, c2d.height); 27262232bf4SGerd Hoffmann 27362232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 27462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 27562232bf4SGerd Hoffmann __func__); 27662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27762232bf4SGerd Hoffmann return; 27862232bf4SGerd Hoffmann } 27962232bf4SGerd Hoffmann 28062232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 28162232bf4SGerd Hoffmann if (res) { 28262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 28362232bf4SGerd Hoffmann __func__, c2d.resource_id); 28462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 28562232bf4SGerd Hoffmann return; 28662232bf4SGerd Hoffmann } 28762232bf4SGerd Hoffmann 28862232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28962232bf4SGerd Hoffmann 29062232bf4SGerd Hoffmann res->width = c2d.width; 29162232bf4SGerd Hoffmann res->height = c2d.height; 29262232bf4SGerd Hoffmann res->format = c2d.format; 29362232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 29462232bf4SGerd Hoffmann 29583a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 29662232bf4SGerd Hoffmann if (!pformat) { 29762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29862232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29962232bf4SGerd Hoffmann __func__, c2d.format); 300cb3a0522SLi Qiang g_free(res); 30162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 30262232bf4SGerd Hoffmann return; 30362232bf4SGerd Hoffmann } 3049b7621bcSGerd Hoffmann 305c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 30650d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 30762232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 30862232bf4SGerd Hoffmann c2d.width, 30962232bf4SGerd Hoffmann c2d.height, 31062232bf4SGerd Hoffmann NULL, 0); 3119b7621bcSGerd Hoffmann } 31262232bf4SGerd Hoffmann 31362232bf4SGerd Hoffmann if (!res->image) { 31462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 31562232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 31662232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 31762232bf4SGerd Hoffmann g_free(res); 31862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 31962232bf4SGerd Hoffmann return; 32062232bf4SGerd Hoffmann } 32162232bf4SGerd Hoffmann 32262232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3239b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 32462232bf4SGerd Hoffmann } 32562232bf4SGerd Hoffmann 326e0933d91SVivek Kasireddy static void virtio_gpu_resource_create_blob(VirtIOGPU *g, 327e0933d91SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 328e0933d91SVivek Kasireddy { 329e0933d91SVivek Kasireddy struct virtio_gpu_simple_resource *res; 330e0933d91SVivek Kasireddy struct virtio_gpu_resource_create_blob cblob; 331e0933d91SVivek Kasireddy int ret; 332e0933d91SVivek Kasireddy 333e0933d91SVivek Kasireddy VIRTIO_GPU_FILL_CMD(cblob); 334e0933d91SVivek Kasireddy virtio_gpu_create_blob_bswap(&cblob); 335e0933d91SVivek Kasireddy trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size); 336e0933d91SVivek Kasireddy 337e0933d91SVivek Kasireddy if (cblob.resource_id == 0) { 338e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 339e0933d91SVivek Kasireddy __func__); 340e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 341e0933d91SVivek Kasireddy return; 342e0933d91SVivek Kasireddy } 343e0933d91SVivek Kasireddy 344dc2deabaSPhilippe Mathieu-Daudé if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_GUEST && 345dc2deabaSPhilippe Mathieu-Daudé cblob.blob_flags != VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE) { 346dc2deabaSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid memory type\n", 347dc2deabaSPhilippe Mathieu-Daudé __func__); 348dc2deabaSPhilippe Mathieu-Daudé cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 349dc2deabaSPhilippe Mathieu-Daudé return; 350dc2deabaSPhilippe Mathieu-Daudé } 351dc2deabaSPhilippe Mathieu-Daudé 352dc2deabaSPhilippe Mathieu-Daudé if (virtio_gpu_find_resource(g, cblob.resource_id)) { 353e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 354e0933d91SVivek Kasireddy __func__, cblob.resource_id); 355e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 356e0933d91SVivek Kasireddy return; 357e0933d91SVivek Kasireddy } 358e0933d91SVivek Kasireddy 359e0933d91SVivek Kasireddy res = g_new0(struct virtio_gpu_simple_resource, 1); 360e0933d91SVivek Kasireddy res->resource_id = cblob.resource_id; 361e0933d91SVivek Kasireddy res->blob_size = cblob.size; 362e0933d91SVivek Kasireddy 363e0933d91SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob), 364e0933d91SVivek Kasireddy cmd, &res->addrs, &res->iov, 365e0933d91SVivek Kasireddy &res->iov_cnt); 366fc4d3f35SDongwon Kim if (ret != 0) { 367e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 368dc2deabaSPhilippe Mathieu-Daudé g_free(res); 369e0933d91SVivek Kasireddy return; 370e0933d91SVivek Kasireddy } 371e0933d91SVivek Kasireddy 372e0933d91SVivek Kasireddy virtio_gpu_init_udmabuf(res); 373e0933d91SVivek Kasireddy QTAILQ_INSERT_HEAD(&g->reslist, res, next); 374e0933d91SVivek Kasireddy } 375e0933d91SVivek Kasireddy 376da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 377da566a18SGerd Hoffmann { 37850d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 379da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 380da566a18SGerd Hoffmann 381da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 382da566a18SGerd Hoffmann return; 383da566a18SGerd Hoffmann } 384da566a18SGerd Hoffmann 385da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 386da566a18SGerd Hoffmann if (res) { 387da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 388da566a18SGerd Hoffmann } 389da566a18SGerd Hoffmann 390ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 391da566a18SGerd Hoffmann scanout->resource_id = 0; 392da566a18SGerd Hoffmann scanout->ds = NULL; 393da566a18SGerd Hoffmann scanout->width = 0; 394da566a18SGerd Hoffmann scanout->height = 0; 395da566a18SGerd Hoffmann } 396da566a18SGerd Hoffmann 39762232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 39862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 39962232bf4SGerd Hoffmann { 4001fccd7c5SGerd Hoffmann int i; 4011fccd7c5SGerd Hoffmann 4021fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 40350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 4041fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 4051fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 4061fccd7c5SGerd Hoffmann } 4071fccd7c5SGerd Hoffmann } 4081fccd7c5SGerd Hoffmann } 4091fccd7c5SGerd Hoffmann 41032db3c63SVivek Kasireddy qemu_pixman_image_unref(res->image); 4113bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 41262232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 4139b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 41462232bf4SGerd Hoffmann g_free(res); 41562232bf4SGerd Hoffmann } 41662232bf4SGerd Hoffmann 41762232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 41862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 41962232bf4SGerd Hoffmann { 42062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 42162232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 42262232bf4SGerd Hoffmann 42362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 4241715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 42562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 42662232bf4SGerd Hoffmann 42762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 42862232bf4SGerd Hoffmann if (!res) { 42962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 43062232bf4SGerd Hoffmann __func__, unref.resource_id); 43162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 43262232bf4SGerd Hoffmann return; 43362232bf4SGerd Hoffmann } 43462232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 43562232bf4SGerd Hoffmann } 43662232bf4SGerd Hoffmann 43762232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 43862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 43962232bf4SGerd Hoffmann { 44062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 441b097b80bSKeqian Zhu int h, bpp; 44262232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 44362232bf4SGerd Hoffmann pixman_format_code_t format; 44462232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 445b097b80bSKeqian Zhu void *img_data; 44662232bf4SGerd Hoffmann 44762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4481715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 44962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 45062232bf4SGerd Hoffmann 45125c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, t2d.resource_id, true, 45225c001a4SVivek Kasireddy __func__, &cmd->error); 453e0933d91SVivek Kasireddy if (!res || res->blob) { 45462232bf4SGerd Hoffmann return; 45562232bf4SGerd Hoffmann } 45662232bf4SGerd Hoffmann 45762232bf4SGerd Hoffmann if (t2d.r.x > res->width || 45862232bf4SGerd Hoffmann t2d.r.y > res->height || 45962232bf4SGerd Hoffmann t2d.r.width > res->width || 46062232bf4SGerd Hoffmann t2d.r.height > res->height || 46162232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 46262232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 46362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 46462232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 46562232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 46662232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 46762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 46862232bf4SGerd Hoffmann return; 46962232bf4SGerd Hoffmann } 47062232bf4SGerd Hoffmann 47162232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 472e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 47362232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 474b097b80bSKeqian Zhu img_data = pixman_image_get_data(res->image); 47562232bf4SGerd Hoffmann 476b097b80bSKeqian Zhu if (t2d.r.x || t2d.r.width != pixman_image_get_width(res->image)) { 47762232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 47862232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 47962232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 48062232bf4SGerd Hoffmann 48162232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 482b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 483b097b80bSKeqian Zhu t2d.r.width * bpp); 48462232bf4SGerd Hoffmann } 48562232bf4SGerd Hoffmann } else { 486b097b80bSKeqian Zhu src_offset = t2d.offset; 487b097b80bSKeqian Zhu dst_offset = t2d.r.y * stride + t2d.r.x * bpp; 488b097b80bSKeqian Zhu iov_to_buf(res->iov, res->iov_cnt, src_offset, 489b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset, 490b097b80bSKeqian Zhu stride * t2d.r.height); 49162232bf4SGerd Hoffmann } 49262232bf4SGerd Hoffmann } 49362232bf4SGerd Hoffmann 49462232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 49562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 49662232bf4SGerd Hoffmann { 49762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 49862232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 49932db3c63SVivek Kasireddy struct virtio_gpu_scanout *scanout; 50062232bf4SGerd Hoffmann pixman_region16_t flush_region; 50134e29d85SVivek Kasireddy bool within_bounds = false; 50234e29d85SVivek Kasireddy bool update_submitted = false; 50362232bf4SGerd Hoffmann int i; 50462232bf4SGerd Hoffmann 50562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 5061715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 50762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 50862232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 50962232bf4SGerd Hoffmann 51025c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, rf.resource_id, false, 51125c001a4SVivek Kasireddy __func__, &cmd->error); 51232db3c63SVivek Kasireddy if (!res) { 51362232bf4SGerd Hoffmann return; 51462232bf4SGerd Hoffmann } 51562232bf4SGerd Hoffmann 51632db3c63SVivek Kasireddy if (res->blob) { 51732db3c63SVivek Kasireddy for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 51832db3c63SVivek Kasireddy scanout = &g->parent_obj.scanout[i]; 51932db3c63SVivek Kasireddy if (scanout->resource_id == res->resource_id && 52049a99ecbSDongwon Kim rf.r.x < scanout->x + scanout->width && 52149a99ecbSDongwon Kim rf.r.x + rf.r.width >= scanout->x && 52249a99ecbSDongwon Kim rf.r.y < scanout->y + scanout->height && 52334e29d85SVivek Kasireddy rf.r.y + rf.r.height >= scanout->y) { 52434e29d85SVivek Kasireddy within_bounds = true; 52534e29d85SVivek Kasireddy 52634e29d85SVivek Kasireddy if (console_has_gl(scanout->con)) { 52732db3c63SVivek Kasireddy dpy_gl_update(scanout->con, 0, 0, scanout->width, 52832db3c63SVivek Kasireddy scanout->height); 52934e29d85SVivek Kasireddy update_submitted = true; 530e86a93f5SDongwon Kim } 531e86a93f5SDongwon Kim } 53234e29d85SVivek Kasireddy } 53334e29d85SVivek Kasireddy 53434e29d85SVivek Kasireddy if (update_submitted) { 53532db3c63SVivek Kasireddy return; 53632db3c63SVivek Kasireddy } 53734e29d85SVivek Kasireddy if (!within_bounds) { 53834e29d85SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside scanouts" 53934e29d85SVivek Kasireddy " bounds for flush %d: %d %d %d %d\n", 54034e29d85SVivek Kasireddy __func__, rf.resource_id, rf.r.x, rf.r.y, 54134e29d85SVivek Kasireddy rf.r.width, rf.r.height); 54234e29d85SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 54334e29d85SVivek Kasireddy return; 54434e29d85SVivek Kasireddy } 54534e29d85SVivek Kasireddy } 54632db3c63SVivek Kasireddy 54732db3c63SVivek Kasireddy if (!res->blob && 54832db3c63SVivek Kasireddy (rf.r.x > res->width || 54962232bf4SGerd Hoffmann rf.r.y > res->height || 55062232bf4SGerd Hoffmann rf.r.width > res->width || 55162232bf4SGerd Hoffmann rf.r.height > res->height || 55262232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 55332db3c63SVivek Kasireddy rf.r.y + rf.r.height > res->height)) { 55462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 55562232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 55662232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 55762232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 55862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 55962232bf4SGerd Hoffmann return; 56062232bf4SGerd Hoffmann } 56162232bf4SGerd Hoffmann 56262232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 56362232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 56450d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 56562232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 56662232bf4SGerd Hoffmann pixman_box16_t *extents; 56762232bf4SGerd Hoffmann 56862232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 56962232bf4SGerd Hoffmann continue; 57062232bf4SGerd Hoffmann } 57150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 57262232bf4SGerd Hoffmann 57362232bf4SGerd Hoffmann pixman_region_init(&finalregion); 57462232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 57562232bf4SGerd Hoffmann scanout->width, scanout->height); 57662232bf4SGerd Hoffmann 57762232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 57862232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 57962232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 58062232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 58150d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 58262232bf4SGerd Hoffmann extents->x1, extents->y1, 58362232bf4SGerd Hoffmann extents->x2 - extents->x1, 58462232bf4SGerd Hoffmann extents->y2 - extents->y1); 58562232bf4SGerd Hoffmann 58662232bf4SGerd Hoffmann pixman_region_fini(®ion); 58762232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 58862232bf4SGerd Hoffmann } 58962232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 59062232bf4SGerd Hoffmann } 59162232bf4SGerd Hoffmann 592fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 593fa06e5cbSGerd Hoffmann { 594fa06e5cbSGerd Hoffmann pixman_image_unref(data); 595fa06e5cbSGerd Hoffmann } 596fa06e5cbSGerd Hoffmann 59781cd9f71SVivek Kasireddy static void virtio_gpu_update_scanout(VirtIOGPU *g, 59881cd9f71SVivek Kasireddy uint32_t scanout_id, 59981cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *res, 60081cd9f71SVivek Kasireddy struct virtio_gpu_rect *r) 60181cd9f71SVivek Kasireddy { 60281cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *ores; 60381cd9f71SVivek Kasireddy struct virtio_gpu_scanout *scanout; 60481cd9f71SVivek Kasireddy 60581cd9f71SVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 60681cd9f71SVivek Kasireddy ores = virtio_gpu_find_resource(g, scanout->resource_id); 60781cd9f71SVivek Kasireddy if (ores) { 60881cd9f71SVivek Kasireddy ores->scanout_bitmask &= ~(1 << scanout_id); 60981cd9f71SVivek Kasireddy } 61081cd9f71SVivek Kasireddy 61181cd9f71SVivek Kasireddy res->scanout_bitmask |= (1 << scanout_id); 61281cd9f71SVivek Kasireddy scanout->resource_id = res->resource_id; 61381cd9f71SVivek Kasireddy scanout->x = r->x; 61481cd9f71SVivek Kasireddy scanout->y = r->y; 61581cd9f71SVivek Kasireddy scanout->width = r->width; 61681cd9f71SVivek Kasireddy scanout->height = r->height; 61781cd9f71SVivek Kasireddy } 61881cd9f71SVivek Kasireddy 619e64d4b6aSVivek Kasireddy static void virtio_gpu_do_set_scanout(VirtIOGPU *g, 620e64d4b6aSVivek Kasireddy uint32_t scanout_id, 621e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer *fb, 622e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res, 623e64d4b6aSVivek Kasireddy struct virtio_gpu_rect *r, 624e64d4b6aSVivek Kasireddy uint32_t *error) 625e64d4b6aSVivek Kasireddy { 626e64d4b6aSVivek Kasireddy struct virtio_gpu_scanout *scanout; 627e64d4b6aSVivek Kasireddy uint8_t *data; 628e64d4b6aSVivek Kasireddy 629e64d4b6aSVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id]; 630e64d4b6aSVivek Kasireddy 631e64d4b6aSVivek Kasireddy if (r->x > fb->width || 632e64d4b6aSVivek Kasireddy r->y > fb->height || 633e64d4b6aSVivek Kasireddy r->width < 16 || 634e64d4b6aSVivek Kasireddy r->height < 16 || 635e64d4b6aSVivek Kasireddy r->width > fb->width || 636e64d4b6aSVivek Kasireddy r->height > fb->height || 637e64d4b6aSVivek Kasireddy r->x + r->width > fb->width || 638e64d4b6aSVivek Kasireddy r->y + r->height > fb->height) { 639e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 640e64d4b6aSVivek Kasireddy " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n", 641e64d4b6aSVivek Kasireddy __func__, scanout_id, res->resource_id, 642e64d4b6aSVivek Kasireddy r->x, r->y, r->width, r->height, 643e64d4b6aSVivek Kasireddy fb->width, fb->height); 644e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 645e64d4b6aSVivek Kasireddy return; 646e64d4b6aSVivek Kasireddy } 647e64d4b6aSVivek Kasireddy 648e64d4b6aSVivek Kasireddy g->parent_obj.enable = 1; 64932db3c63SVivek Kasireddy 65032db3c63SVivek Kasireddy if (res->blob) { 65132db3c63SVivek Kasireddy if (console_has_gl(scanout->con)) { 652e86a93f5SDongwon Kim if (!virtio_gpu_update_dmabuf(g, scanout_id, res, fb, r)) { 65332db3c63SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 65432db3c63SVivek Kasireddy return; 65532db3c63SVivek Kasireddy } 65632db3c63SVivek Kasireddy } 65732db3c63SVivek Kasireddy 65832db3c63SVivek Kasireddy data = res->blob; 65932db3c63SVivek Kasireddy } else { 660e64d4b6aSVivek Kasireddy data = (uint8_t *)pixman_image_get_data(res->image); 66132db3c63SVivek Kasireddy } 662e64d4b6aSVivek Kasireddy 663e64d4b6aSVivek Kasireddy /* create a surface for this scanout */ 66432db3c63SVivek Kasireddy if ((res->blob && !console_has_gl(scanout->con)) || 66532db3c63SVivek Kasireddy !scanout->ds || 666e64d4b6aSVivek Kasireddy surface_data(scanout->ds) != data + fb->offset || 667e64d4b6aSVivek Kasireddy scanout->width != r->width || 668e64d4b6aSVivek Kasireddy scanout->height != r->height) { 669e64d4b6aSVivek Kasireddy pixman_image_t *rect; 670e64d4b6aSVivek Kasireddy void *ptr = data + fb->offset; 671e64d4b6aSVivek Kasireddy rect = pixman_image_create_bits(fb->format, r->width, r->height, 672e64d4b6aSVivek Kasireddy ptr, fb->stride); 673e64d4b6aSVivek Kasireddy 674e64d4b6aSVivek Kasireddy if (res->image) { 675e64d4b6aSVivek Kasireddy pixman_image_ref(res->image); 676e64d4b6aSVivek Kasireddy pixman_image_set_destroy_function(rect, virtio_unref_resource, 677e64d4b6aSVivek Kasireddy res->image); 678e64d4b6aSVivek Kasireddy } 679e64d4b6aSVivek Kasireddy 680e64d4b6aSVivek Kasireddy /* realloc the surface ptr */ 681e64d4b6aSVivek Kasireddy scanout->ds = qemu_create_displaysurface_pixman(rect); 682e64d4b6aSVivek Kasireddy if (!scanout->ds) { 683e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC; 684e64d4b6aSVivek Kasireddy return; 685e64d4b6aSVivek Kasireddy } 686e64d4b6aSVivek Kasireddy 687e64d4b6aSVivek Kasireddy pixman_image_unref(rect); 688e64d4b6aSVivek Kasireddy dpy_gfx_replace_surface(g->parent_obj.scanout[scanout_id].con, 689e64d4b6aSVivek Kasireddy scanout->ds); 690e64d4b6aSVivek Kasireddy } 691e64d4b6aSVivek Kasireddy 69281cd9f71SVivek Kasireddy virtio_gpu_update_scanout(g, scanout_id, res, r); 693e64d4b6aSVivek Kasireddy } 694e64d4b6aSVivek Kasireddy 69562232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 69662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 69762232bf4SGerd Hoffmann { 698e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res; 699e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 70062232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 70162232bf4SGerd Hoffmann 70262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 7031715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 70462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 70562232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 70662232bf4SGerd Hoffmann 7074fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7084fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7094fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7104fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7114fa7b4ccSGerd Hoffmann return; 7124fa7b4ccSGerd Hoffmann } 7134fa7b4ccSGerd Hoffmann 71462232bf4SGerd Hoffmann if (ss.resource_id == 0) { 715da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 71662232bf4SGerd Hoffmann return; 71762232bf4SGerd Hoffmann } 71862232bf4SGerd Hoffmann 71925c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 72025c001a4SVivek Kasireddy __func__, &cmd->error); 72162232bf4SGerd Hoffmann if (!res) { 72262232bf4SGerd Hoffmann return; 72362232bf4SGerd Hoffmann } 72462232bf4SGerd Hoffmann 725e64d4b6aSVivek Kasireddy fb.format = pixman_image_get_format(res->image); 726e64d4b6aSVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 727e64d4b6aSVivek Kasireddy fb.width = pixman_image_get_width(res->image); 728e64d4b6aSVivek Kasireddy fb.height = pixman_image_get_height(res->image); 729e64d4b6aSVivek Kasireddy fb.stride = pixman_image_get_stride(res->image); 730e64d4b6aSVivek Kasireddy fb.offset = ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 73162232bf4SGerd Hoffmann 732e64d4b6aSVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 733e64d4b6aSVivek Kasireddy &fb, res, &ss.r, &cmd->error); 73462232bf4SGerd Hoffmann } 73562232bf4SGerd Hoffmann 73632db3c63SVivek Kasireddy static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, 73732db3c63SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd) 73832db3c63SVivek Kasireddy { 73932db3c63SVivek Kasireddy struct virtio_gpu_simple_resource *res; 74032db3c63SVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 }; 74132db3c63SVivek Kasireddy struct virtio_gpu_set_scanout_blob ss; 74232db3c63SVivek Kasireddy uint64_t fbend; 74332db3c63SVivek Kasireddy 74432db3c63SVivek Kasireddy VIRTIO_GPU_FILL_CMD(ss); 74532db3c63SVivek Kasireddy virtio_gpu_scanout_blob_bswap(&ss); 74632db3c63SVivek Kasireddy trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id, 74732db3c63SVivek Kasireddy ss.r.width, ss.r.height, ss.r.x, 74832db3c63SVivek Kasireddy ss.r.y); 74932db3c63SVivek Kasireddy 7504fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 7514fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 7524fa7b4ccSGerd Hoffmann __func__, ss.scanout_id); 7534fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 7544fa7b4ccSGerd Hoffmann return; 7554fa7b4ccSGerd Hoffmann } 7564fa7b4ccSGerd Hoffmann 75732db3c63SVivek Kasireddy if (ss.resource_id == 0) { 75832db3c63SVivek Kasireddy virtio_gpu_disable_scanout(g, ss.scanout_id); 75932db3c63SVivek Kasireddy return; 76032db3c63SVivek Kasireddy } 76132db3c63SVivek Kasireddy 76232db3c63SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true, 76332db3c63SVivek Kasireddy __func__, &cmd->error); 76432db3c63SVivek Kasireddy if (!res) { 76532db3c63SVivek Kasireddy return; 76632db3c63SVivek Kasireddy } 76732db3c63SVivek Kasireddy 76832db3c63SVivek Kasireddy fb.format = virtio_gpu_get_pixman_format(ss.format); 76932db3c63SVivek Kasireddy if (!fb.format) { 77032db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 77132db3c63SVivek Kasireddy "%s: host couldn't handle guest format %d\n", 77232db3c63SVivek Kasireddy __func__, ss.format); 77332db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 77432db3c63SVivek Kasireddy return; 77532db3c63SVivek Kasireddy } 77632db3c63SVivek Kasireddy 77732db3c63SVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); 77832db3c63SVivek Kasireddy fb.width = ss.width; 77932db3c63SVivek Kasireddy fb.height = ss.height; 78032db3c63SVivek Kasireddy fb.stride = ss.strides[0]; 78132db3c63SVivek Kasireddy fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; 78232db3c63SVivek Kasireddy 78332db3c63SVivek Kasireddy fbend = fb.offset; 78432db3c63SVivek Kasireddy fbend += fb.stride * (ss.r.height - 1); 78532db3c63SVivek Kasireddy fbend += fb.bytes_pp * ss.r.width; 78632db3c63SVivek Kasireddy if (fbend > res->blob_size) { 78732db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, 78832db3c63SVivek Kasireddy "%s: fb end out of range\n", 78932db3c63SVivek Kasireddy __func__); 79032db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 79132db3c63SVivek Kasireddy return; 79232db3c63SVivek Kasireddy } 79332db3c63SVivek Kasireddy 79432db3c63SVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id, 79532db3c63SVivek Kasireddy &fb, res, &ss.r, &cmd->error); 79632db3c63SVivek Kasireddy } 79732db3c63SVivek Kasireddy 7983bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 79970d37662SVivek Kasireddy uint32_t nr_entries, uint32_t offset, 80062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 8019049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 8029049f8bcSGerd Hoffmann uint32_t *niov) 80362232bf4SGerd Hoffmann { 80462232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 80562232bf4SGerd Hoffmann size_t esize, s; 8069049f8bcSGerd Hoffmann int e, v; 80762232bf4SGerd Hoffmann 80870d37662SVivek Kasireddy if (nr_entries > 16384) { 80962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 8102c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 81170d37662SVivek Kasireddy __func__, nr_entries); 81262232bf4SGerd Hoffmann return -1; 81362232bf4SGerd Hoffmann } 81462232bf4SGerd Hoffmann 81570d37662SVivek Kasireddy esize = sizeof(*ents) * nr_entries; 81662232bf4SGerd Hoffmann ents = g_malloc(esize); 81762232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 81870d37662SVivek Kasireddy offset, ents, esize); 81962232bf4SGerd Hoffmann if (s != esize) { 82062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 82162232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 82262232bf4SGerd Hoffmann __func__, s, esize); 82362232bf4SGerd Hoffmann g_free(ents); 82462232bf4SGerd Hoffmann return -1; 82562232bf4SGerd Hoffmann } 82662232bf4SGerd Hoffmann 8279049f8bcSGerd Hoffmann *iov = NULL; 8280c244e50SGerd Hoffmann if (addr) { 8299049f8bcSGerd Hoffmann *addr = NULL; 8300c244e50SGerd Hoffmann } 83170d37662SVivek Kasireddy for (e = 0, v = 0; e < nr_entries; e++) { 8329049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 8339049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 8349049f8bcSGerd Hoffmann hwaddr len; 8359049f8bcSGerd Hoffmann void *map; 8369049f8bcSGerd Hoffmann 8379049f8bcSGerd Hoffmann do { 8389049f8bcSGerd Hoffmann len = l; 839a1d4b0a3SPhilippe Mathieu-Daudé map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, a, &len, 840a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE, 841a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED); 8429049f8bcSGerd Hoffmann if (!map) { 84362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 84470d37662SVivek Kasireddy " element %d\n", __func__, e); 8459049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 84662232bf4SGerd Hoffmann g_free(ents); 84762232bf4SGerd Hoffmann *iov = NULL; 8480c244e50SGerd Hoffmann if (addr) { 8490c244e50SGerd Hoffmann g_free(*addr); 8500c244e50SGerd Hoffmann *addr = NULL; 8510c244e50SGerd Hoffmann } 85262232bf4SGerd Hoffmann return -1; 85362232bf4SGerd Hoffmann } 8549049f8bcSGerd Hoffmann 8559049f8bcSGerd Hoffmann if (!(v % 16)) { 856b21e2380SMarkus Armbruster *iov = g_renew(struct iovec, *iov, v + 16); 8579049f8bcSGerd Hoffmann if (addr) { 858b21e2380SMarkus Armbruster *addr = g_renew(uint64_t, *addr, v + 16); 85962232bf4SGerd Hoffmann } 8609049f8bcSGerd Hoffmann } 8619049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 8629049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 8639049f8bcSGerd Hoffmann if (addr) { 8649049f8bcSGerd Hoffmann (*addr)[v] = a; 8659049f8bcSGerd Hoffmann } 8669049f8bcSGerd Hoffmann 8679049f8bcSGerd Hoffmann a += len; 8689049f8bcSGerd Hoffmann l -= len; 8699049f8bcSGerd Hoffmann v += 1; 8709049f8bcSGerd Hoffmann } while (l > 0); 8719049f8bcSGerd Hoffmann } 8729049f8bcSGerd Hoffmann *niov = v; 8739049f8bcSGerd Hoffmann 87462232bf4SGerd Hoffmann g_free(ents); 87562232bf4SGerd Hoffmann return 0; 87662232bf4SGerd Hoffmann } 87762232bf4SGerd Hoffmann 8783bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 8793bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 88062232bf4SGerd Hoffmann { 88162232bf4SGerd Hoffmann int i; 88262232bf4SGerd Hoffmann 88362232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 8848da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 8858da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 8868da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 88762232bf4SGerd Hoffmann iov[i].iov_len); 88862232bf4SGerd Hoffmann } 8897f3be0f2SGerd Hoffmann g_free(iov); 89062232bf4SGerd Hoffmann } 89162232bf4SGerd Hoffmann 8923bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 8933bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 89462232bf4SGerd Hoffmann { 8953bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 89662232bf4SGerd Hoffmann res->iov = NULL; 89762232bf4SGerd Hoffmann res->iov_cnt = 0; 8980c244e50SGerd Hoffmann g_free(res->addrs); 8990c244e50SGerd Hoffmann res->addrs = NULL; 900e0933d91SVivek Kasireddy 901e0933d91SVivek Kasireddy if (res->blob) { 902e0933d91SVivek Kasireddy virtio_gpu_fini_udmabuf(res); 903e0933d91SVivek Kasireddy } 90462232bf4SGerd Hoffmann } 90562232bf4SGerd Hoffmann 90662232bf4SGerd Hoffmann static void 90762232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 90862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 90962232bf4SGerd Hoffmann { 91062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 91162232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 91262232bf4SGerd Hoffmann int ret; 91362232bf4SGerd Hoffmann 91462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 9151715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 91662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 91762232bf4SGerd Hoffmann 91862232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 91962232bf4SGerd Hoffmann if (!res) { 92062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 92162232bf4SGerd Hoffmann __func__, ab.resource_id); 92262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 92362232bf4SGerd Hoffmann return; 92462232bf4SGerd Hoffmann } 92562232bf4SGerd Hoffmann 926204f01b3SLi Qiang if (res->iov) { 927204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 928204f01b3SLi Qiang return; 929204f01b3SLi Qiang } 930204f01b3SLi Qiang 93170d37662SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd, 93270d37662SVivek Kasireddy &res->addrs, &res->iov, &res->iov_cnt); 93362232bf4SGerd Hoffmann if (ret != 0) { 93462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 93562232bf4SGerd Hoffmann return; 93662232bf4SGerd Hoffmann } 93762232bf4SGerd Hoffmann } 93862232bf4SGerd Hoffmann 93962232bf4SGerd Hoffmann static void 94062232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 94162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 94262232bf4SGerd Hoffmann { 94362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 94462232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 94562232bf4SGerd Hoffmann 94662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 9471715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 94862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 94962232bf4SGerd Hoffmann 95025c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, detach.resource_id, true, 95125c001a4SVivek Kasireddy __func__, &cmd->error); 95225c001a4SVivek Kasireddy if (!res) { 95362232bf4SGerd Hoffmann return; 95462232bf4SGerd Hoffmann } 9553bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 95662232bf4SGerd Hoffmann } 95762232bf4SGerd Hoffmann 9582f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 95962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 96062232bf4SGerd Hoffmann { 96162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 9621715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 96362232bf4SGerd Hoffmann 96462232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 96562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 96662232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 96762232bf4SGerd Hoffmann break; 9681ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 9691ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 9701ed2cb32SGerd Hoffmann break; 97162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 97262232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 97362232bf4SGerd Hoffmann break; 974e0933d91SVivek Kasireddy case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB: 975e0933d91SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 976e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 977e0933d91SVivek Kasireddy break; 978e0933d91SVivek Kasireddy } 979e0933d91SVivek Kasireddy virtio_gpu_resource_create_blob(g, cmd); 980e0933d91SVivek Kasireddy break; 98162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 98262232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 98362232bf4SGerd Hoffmann break; 98462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 98562232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 98662232bf4SGerd Hoffmann break; 98762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 98862232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 98962232bf4SGerd Hoffmann break; 99062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 99162232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 99262232bf4SGerd Hoffmann break; 99332db3c63SVivek Kasireddy case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB: 99432db3c63SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) { 99532db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 99632db3c63SVivek Kasireddy break; 99732db3c63SVivek Kasireddy } 99832db3c63SVivek Kasireddy virtio_gpu_set_scanout_blob(g, cmd); 99932db3c63SVivek Kasireddy break; 100062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 100162232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 100262232bf4SGerd Hoffmann break; 100362232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 100462232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 100562232bf4SGerd Hoffmann break; 100662232bf4SGerd Hoffmann default: 100762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 100862232bf4SGerd Hoffmann break; 100962232bf4SGerd Hoffmann } 101062232bf4SGerd Hoffmann if (!cmd->finished) { 1011b3a5dfdeSVivek Kasireddy if (!g->parent_obj.renderer_blocked) { 101262232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 101362232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 101462232bf4SGerd Hoffmann } 101562232bf4SGerd Hoffmann } 1016b3a5dfdeSVivek Kasireddy } 101762232bf4SGerd Hoffmann 101862232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 101962232bf4SGerd Hoffmann { 102062232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 102162232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 102262232bf4SGerd Hoffmann } 102362232bf4SGerd Hoffmann 102462232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 102562232bf4SGerd Hoffmann { 102662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 102762232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 102862232bf4SGerd Hoffmann } 102962232bf4SGerd Hoffmann 10300c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 10313eb769fdSGerd Hoffmann { 10323eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 10332f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 10343eb769fdSGerd Hoffmann 1035f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 1036f8f3c271SMarc-André Lureau return; 1037f8f3c271SMarc-André Lureau } 1038f8f3c271SMarc-André Lureau g->processing_cmdq = true; 10393eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 10403eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 10413eb769fdSGerd Hoffmann 104250d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 10430c55a1cfSGerd Hoffmann break; 10440c55a1cfSGerd Hoffmann } 1045ad341aacSMarc-André Lureau 1046ad341aacSMarc-André Lureau /* process command */ 10472f47691aSGerd Hoffmann vgc->process_cmd(g, cmd); 1048ad341aacSMarc-André Lureau 10493eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 105050d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10513eb769fdSGerd Hoffmann g->stats.requests++; 10523eb769fdSGerd Hoffmann } 10533eb769fdSGerd Hoffmann 10543eb769fdSGerd Hoffmann if (!cmd->finished) { 10553eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 10563eb769fdSGerd Hoffmann g->inflight++; 105750d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 10583eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 10593eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 10603eb769fdSGerd Hoffmann } 10613eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 10623eb769fdSGerd Hoffmann } 10633eb769fdSGerd Hoffmann } else { 10643eb769fdSGerd Hoffmann g_free(cmd); 10653eb769fdSGerd Hoffmann } 10663eb769fdSGerd Hoffmann } 1067f8f3c271SMarc-André Lureau g->processing_cmdq = false; 10683eb769fdSGerd Hoffmann } 10693eb769fdSGerd Hoffmann 1070b3a5dfdeSVivek Kasireddy static void virtio_gpu_process_fenceq(VirtIOGPU *g) 1071b3a5dfdeSVivek Kasireddy { 1072b3a5dfdeSVivek Kasireddy struct virtio_gpu_ctrl_command *cmd, *tmp; 1073b3a5dfdeSVivek Kasireddy 1074b3a5dfdeSVivek Kasireddy QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { 1075b3a5dfdeSVivek Kasireddy trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id); 1076b3a5dfdeSVivek Kasireddy virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA); 1077b3a5dfdeSVivek Kasireddy QTAILQ_REMOVE(&g->fenceq, cmd, next); 1078b3a5dfdeSVivek Kasireddy g_free(cmd); 1079b3a5dfdeSVivek Kasireddy g->inflight--; 1080b3a5dfdeSVivek Kasireddy if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 1081b3a5dfdeSVivek Kasireddy fprintf(stderr, "inflight: %3d (-)\r", g->inflight); 1082b3a5dfdeSVivek Kasireddy } 1083b3a5dfdeSVivek Kasireddy } 1084b3a5dfdeSVivek Kasireddy } 1085b3a5dfdeSVivek Kasireddy 1086b3a5dfdeSVivek Kasireddy static void virtio_gpu_handle_gl_flushed(VirtIOGPUBase *b) 1087b3a5dfdeSVivek Kasireddy { 1088b3a5dfdeSVivek Kasireddy VirtIOGPU *g = container_of(b, VirtIOGPU, parent_obj); 1089b3a5dfdeSVivek Kasireddy 1090b3a5dfdeSVivek Kasireddy virtio_gpu_process_fenceq(g); 1091b3a5dfdeSVivek Kasireddy virtio_gpu_process_cmdq(g); 1092b3a5dfdeSVivek Kasireddy } 1093b3a5dfdeSVivek Kasireddy 109462232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 109562232bf4SGerd Hoffmann { 109662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 109762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 109862232bf4SGerd Hoffmann 109962232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 110062232bf4SGerd Hoffmann return; 110162232bf4SGerd Hoffmann } 110262232bf4SGerd Hoffmann 110351b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 110451b19ebeSPaolo Bonzini while (cmd) { 110562232bf4SGerd Hoffmann cmd->vq = vq; 110662232bf4SGerd Hoffmann cmd->error = 0; 110762232bf4SGerd Hoffmann cmd->finished = false; 11083eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 110951b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 111062232bf4SGerd Hoffmann } 11119d9e1521SGerd Hoffmann 11123eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 111362232bf4SGerd Hoffmann } 111462232bf4SGerd Hoffmann 111562232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 111662232bf4SGerd Hoffmann { 111762232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 1118cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 1119cabbe8e5SGerd Hoffmann 1120cabbe8e5SGerd Hoffmann vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 112162232bf4SGerd Hoffmann } 112262232bf4SGerd Hoffmann 112362232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 112462232bf4SGerd Hoffmann { 112562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 112651b19ebeSPaolo Bonzini VirtQueueElement *elem; 112762232bf4SGerd Hoffmann size_t s; 112862232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 112962232bf4SGerd Hoffmann 113062232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 113162232bf4SGerd Hoffmann return; 113262232bf4SGerd Hoffmann } 113351b19ebeSPaolo Bonzini for (;;) { 113451b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 113551b19ebeSPaolo Bonzini if (!elem) { 113651b19ebeSPaolo Bonzini break; 113751b19ebeSPaolo Bonzini } 113851b19ebeSPaolo Bonzini 113951b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 114062232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 114162232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 114262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 114362232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 114462232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 114562232bf4SGerd Hoffmann } else { 11461715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 114762232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 114862232bf4SGerd Hoffmann } 114951b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 115062232bf4SGerd Hoffmann virtio_notify(vdev, vq); 115151b19ebeSPaolo Bonzini g_free(elem); 115262232bf4SGerd Hoffmann } 115362232bf4SGerd Hoffmann } 115462232bf4SGerd Hoffmann 115562232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 115662232bf4SGerd Hoffmann { 115762232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 115850d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 115962232bf4SGerd Hoffmann } 116062232bf4SGerd Hoffmann 11610c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 11620c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 11630c244e50SGerd Hoffmann .version_id = 1, 11640c244e50SGerd Hoffmann .fields = (VMStateField[]) { 11650c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 11660c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 11670c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 11680c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 11690c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 11700c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 11710c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 11720c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 11730c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 11740c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 11750c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11760c244e50SGerd Hoffmann }, 11770c244e50SGerd Hoffmann }; 11780c244e50SGerd Hoffmann 11790c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 11800c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 11810c244e50SGerd Hoffmann .version_id = 1, 11820c244e50SGerd Hoffmann .fields = (VMStateField[]) { 118350d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 118450d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 118550d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 118650d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 118750d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 11880c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 11890c244e50SGerd Hoffmann struct virtio_gpu_scanout), 11900c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 11910c244e50SGerd Hoffmann }, 11920c244e50SGerd Hoffmann }; 11930c244e50SGerd Hoffmann 11942c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 11953ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 11960c244e50SGerd Hoffmann { 11970c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 11980c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 11990c244e50SGerd Hoffmann int i; 12000c244e50SGerd Hoffmann 12010c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 12020c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 12030c244e50SGerd Hoffmann 12040c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12050c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 12060c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 12070c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 12080c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 12090c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 12100c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12110c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 12120c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 12130c244e50SGerd Hoffmann } 12140c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 12150c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 12160c244e50SGerd Hoffmann } 12170c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 12180c244e50SGerd Hoffmann 12192f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 12200c244e50SGerd Hoffmann } 12210c244e50SGerd Hoffmann 12222c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 122303fee66fSMarc-André Lureau const VMStateField *field) 12240c244e50SGerd Hoffmann { 12250c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 12260c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12270c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 12280c244e50SGerd Hoffmann uint32_t resource_id, pformat; 12298a502efdSHalil Pasic int i; 12300c244e50SGerd Hoffmann 1231039aa5dbSPeter Maydell g->hostmem = 0; 1232039aa5dbSPeter Maydell 12330c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 12340c244e50SGerd Hoffmann while (resource_id != 0) { 1235b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1236b0ee78ffSLi Qiang if (res) { 1237b0ee78ffSLi Qiang return -EINVAL; 1238b0ee78ffSLi Qiang } 1239b0ee78ffSLi Qiang 12400c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 12410c244e50SGerd Hoffmann res->resource_id = resource_id; 12420c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 12430c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 12440c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 12450c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 12460c244e50SGerd Hoffmann 12470c244e50SGerd Hoffmann /* allocate */ 124883a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 12490c244e50SGerd Hoffmann if (!pformat) { 1250c84f0f25SPeter Maydell g_free(res); 12510c244e50SGerd Hoffmann return -EINVAL; 12520c244e50SGerd Hoffmann } 12530c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 12540c244e50SGerd Hoffmann res->width, res->height, 12550c244e50SGerd Hoffmann NULL, 0); 12560c244e50SGerd Hoffmann if (!res->image) { 1257c84f0f25SPeter Maydell g_free(res); 12580c244e50SGerd Hoffmann return -EINVAL; 12590c244e50SGerd Hoffmann } 12600c244e50SGerd Hoffmann 1261c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1262039aa5dbSPeter Maydell 12630c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 12640c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 12650c244e50SGerd Hoffmann 12660c244e50SGerd Hoffmann /* read data */ 12670c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12680c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 12690c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 12700c244e50SGerd Hoffmann } 12710c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 12720c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 12730c244e50SGerd Hoffmann 12740c244e50SGerd Hoffmann /* restore mapping */ 12750c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 12760c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 12770c244e50SGerd Hoffmann res->iov[i].iov_base = 1278a1d4b0a3SPhilippe Mathieu-Daudé dma_memory_map(VIRTIO_DEVICE(g)->dma_as, res->addrs[i], &len, 1279a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE, 1280a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED); 12813bb68f79SGerd Hoffmann 12820c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1283c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1284c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 12858da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 12868da132a5SGerd Hoffmann res->iov[i].iov_base, 1287a7f85e03SGerd Hoffmann len, 12888da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1289a7f85e03SGerd Hoffmann 0); 1290c84f0f25SPeter Maydell } 1291c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1292c84f0f25SPeter Maydell res->iov_cnt = i; 12933bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1294c84f0f25SPeter Maydell pixman_image_unref(res->image); 1295c84f0f25SPeter Maydell g_free(res); 12960c244e50SGerd Hoffmann return -EINVAL; 12970c244e50SGerd Hoffmann } 12980c244e50SGerd Hoffmann } 12990c244e50SGerd Hoffmann 13000c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1301039aa5dbSPeter Maydell g->hostmem += res->hostmem; 13020c244e50SGerd Hoffmann 13030c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 13040c244e50SGerd Hoffmann } 13050c244e50SGerd Hoffmann 13060c244e50SGerd Hoffmann /* load & apply scanout state */ 13070c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 130850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 1309529969b8SMarc-André Lureau /* FIXME: should take scanout.r.{x,y} into account */ 131050d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 13110c244e50SGerd Hoffmann if (!scanout->resource_id) { 13120c244e50SGerd Hoffmann continue; 13130c244e50SGerd Hoffmann } 13140c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 13150c244e50SGerd Hoffmann if (!res) { 13160c244e50SGerd Hoffmann return -EINVAL; 13170c244e50SGerd Hoffmann } 13180c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 13190c244e50SGerd Hoffmann if (!scanout->ds) { 13200c244e50SGerd Hoffmann return -EINVAL; 13210c244e50SGerd Hoffmann } 13220c244e50SGerd Hoffmann 13230c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 132491155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 132510750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 13260c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 132710750ee0SGerd Hoffmann } 13280c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 13290c244e50SGerd Hoffmann } 13300c244e50SGerd Hoffmann 13310c244e50SGerd Hoffmann return 0; 13320c244e50SGerd Hoffmann } 13330c244e50SGerd Hoffmann 133437f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 133562232bf4SGerd Hoffmann { 133662232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 133762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 13389d9e1521SGerd Hoffmann 1339cce386e1SVivek Kasireddy if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { 1340cce386e1SVivek Kasireddy if (!virtio_gpu_have_udmabuf()) { 1341cce386e1SVivek Kasireddy error_setg(errp, "cannot enable blob resources without udmabuf"); 1342cce386e1SVivek Kasireddy return; 1343cce386e1SVivek Kasireddy } 1344cce386e1SVivek Kasireddy 1345cce386e1SVivek Kasireddy if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) { 1346cce386e1SVivek Kasireddy error_setg(errp, "blobs and virgl are not compatible (yet)"); 1347cce386e1SVivek Kasireddy return; 1348cce386e1SVivek Kasireddy } 1349cce386e1SVivek Kasireddy } 1350cce386e1SVivek Kasireddy 135150d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 135250d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 135350d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 135450d8e25eSMarc-André Lureau errp)) { 1355fe44dc91SAshijeet Acharya return; 1356fe44dc91SAshijeet Acharya } 1357fe44dc91SAshijeet Acharya 135850d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 135950d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 1360f63192b0SAlexander Bulekov g->ctrl_bh = qemu_bh_new_guarded(virtio_gpu_ctrl_bh, g, 1361f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 1362f63192b0SAlexander Bulekov g->cursor_bh = qemu_bh_new_guarded(virtio_gpu_cursor_bh, g, 1363f63192b0SAlexander Bulekov &qdev->mem_reentrancy_guard); 136462232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 13653eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 136662232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 136762232bf4SGerd Hoffmann } 136862232bf4SGerd Hoffmann 136976fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 137062232bf4SGerd Hoffmann { 137162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 137262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1373dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 137462232bf4SGerd Hoffmann 137562232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 137662232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 137762232bf4SGerd Hoffmann } 13789d9e1521SGerd Hoffmann 1379dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1380dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1381dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1382dc84ed5bSGerd Hoffmann g_free(cmd); 1383dc84ed5bSGerd Hoffmann } 1384dc84ed5bSGerd Hoffmann 1385dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1386dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1387dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1388dc84ed5bSGerd Hoffmann g->inflight--; 1389dc84ed5bSGerd Hoffmann g_free(cmd); 1390dc84ed5bSGerd Hoffmann } 1391dc84ed5bSGerd Hoffmann 139250d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 139350d8e25eSMarc-André Lureau } 139450d8e25eSMarc-André Lureau 139550d8e25eSMarc-André Lureau static void 139650d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 139750d8e25eSMarc-André Lureau { 139850d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 139950d8e25eSMarc-André Lureau 140050d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 140150d8e25eSMarc-André Lureau } 140250d8e25eSMarc-André Lureau 140350d8e25eSMarc-André Lureau static void 140450d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 140550d8e25eSMarc-André Lureau { 140650d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 140750d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 140850d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 140950d8e25eSMarc-André Lureau 141050d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 141150d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 141250d8e25eSMarc-André Lureau } 141362232bf4SGerd Hoffmann } 141462232bf4SGerd Hoffmann 14158a502efdSHalil Pasic /* 14168a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 14178a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 14188a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 14198a502efdSHalil Pasic * is saved/loaded after the core data. 14208a502efdSHalil Pasic * 14218a502efdSHalil Pasic * Because of this we need a special vmsd. 14228a502efdSHalil Pasic */ 14238a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 14248a502efdSHalil Pasic .name = "virtio-gpu", 14258a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 14268a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 14278a502efdSHalil Pasic .fields = (VMStateField[]) { 14288a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 14298a502efdSHalil Pasic { 14308a502efdSHalil Pasic .name = "virtio-gpu", 14318a502efdSHalil Pasic .info = &(const VMStateInfo) { 14328a502efdSHalil Pasic .name = "virtio-gpu", 14338a502efdSHalil Pasic .get = virtio_gpu_load, 14348a502efdSHalil Pasic .put = virtio_gpu_save, 14358a502efdSHalil Pasic }, 14368a502efdSHalil Pasic .flags = VMS_SINGLE, 14378a502efdSHalil Pasic } /* device */, 14388a502efdSHalil Pasic VMSTATE_END_OF_LIST() 14398a502efdSHalil Pasic }, 14408a502efdSHalil Pasic }; 14410fc07498SDr. David Alan Gilbert 144262232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 144350d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 144450d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 144550d8e25eSMarc-André Lureau 256 * MiB), 1446cce386e1SVivek Kasireddy DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags, 1447cce386e1SVivek Kasireddy VIRTIO_GPU_FLAG_BLOB_ENABLED, false), 144862232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 144962232bf4SGerd Hoffmann }; 145062232bf4SGerd Hoffmann 145162232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 145262232bf4SGerd Hoffmann { 145362232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 145462232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1455cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 1456b3a5dfdeSVivek Kasireddy VirtIOGPUBaseClass *vgbc = &vgc->parent; 145762232bf4SGerd Hoffmann 1458cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 14592f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd; 14602c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data; 1461b3a5dfdeSVivek Kasireddy vgbc->gl_flushed = virtio_gpu_handle_gl_flushed; 1462cabbe8e5SGerd Hoffmann 146362232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 146450d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 146562232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 146662232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 146762232bf4SGerd Hoffmann 14680fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 14694f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 147062232bf4SGerd Hoffmann } 147162232bf4SGerd Hoffmann 147262232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 147362232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 147450d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 147562232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1476cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 147762232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 147862232bf4SGerd Hoffmann }; 1479561d0f45SGerd Hoffmann module_obj(TYPE_VIRTIO_GPU); 148024ce7aa7SJose R. Ziviani module_kconfig(VIRTIO_GPU); 148162232bf4SGerd Hoffmann 148262232bf4SGerd Hoffmann static void virtio_register_types(void) 148362232bf4SGerd Hoffmann { 148462232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 148562232bf4SGerd Hoffmann } 148662232bf4SGerd Hoffmann 148762232bf4SGerd Hoffmann type_init(virtio_register_types) 1488