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); 3862232bf4SGerd Hoffmann 393bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 403bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 41b8e23926SLi Qiang 429d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 43a9c94277SMarkus Armbruster #include <virglrenderer.h> 449d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 459d9e1521SGerd Hoffmann do { \ 4650d8e25eSMarc-André Lureau if (_g->parent_obj.use_virgl_renderer) { \ 479d9e1521SGerd Hoffmann _virgl(__VA_ARGS__); \ 489d9e1521SGerd Hoffmann } else { \ 499d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 509d9e1521SGerd Hoffmann } \ 519d9e1521SGerd Hoffmann } while (0) 529d9e1521SGerd Hoffmann #else 539d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 549d9e1521SGerd Hoffmann do { \ 559d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 569d9e1521SGerd Hoffmann } while (0) 579d9e1521SGerd Hoffmann #endif 589d9e1521SGerd Hoffmann 5962232bf4SGerd Hoffmann static void update_cursor_data_simple(VirtIOGPU *g, 6062232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 6162232bf4SGerd Hoffmann uint32_t resource_id) 6262232bf4SGerd Hoffmann { 6362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 6462232bf4SGerd Hoffmann uint32_t pixels; 6562232bf4SGerd Hoffmann 6662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, resource_id); 6762232bf4SGerd Hoffmann if (!res) { 6862232bf4SGerd Hoffmann return; 6962232bf4SGerd Hoffmann } 7062232bf4SGerd Hoffmann 7162232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 7262232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 7362232bf4SGerd Hoffmann return; 7462232bf4SGerd Hoffmann } 7562232bf4SGerd Hoffmann 7662232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 7762232bf4SGerd Hoffmann memcpy(s->current_cursor->data, 7862232bf4SGerd Hoffmann pixman_image_get_data(res->image), 7962232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 8062232bf4SGerd Hoffmann } 8162232bf4SGerd Hoffmann 829d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 839d9e1521SGerd Hoffmann 849d9e1521SGerd Hoffmann static void update_cursor_data_virgl(VirtIOGPU *g, 859d9e1521SGerd Hoffmann struct virtio_gpu_scanout *s, 869d9e1521SGerd Hoffmann uint32_t resource_id) 879d9e1521SGerd Hoffmann { 889d9e1521SGerd Hoffmann uint32_t width, height; 899d9e1521SGerd Hoffmann uint32_t pixels, *data; 909d9e1521SGerd Hoffmann 919d9e1521SGerd Hoffmann data = virgl_renderer_get_cursor_data(resource_id, &width, &height); 929d9e1521SGerd Hoffmann if (!data) { 939d9e1521SGerd Hoffmann return; 949d9e1521SGerd Hoffmann } 959d9e1521SGerd Hoffmann 969d9e1521SGerd Hoffmann if (width != s->current_cursor->width || 979d9e1521SGerd Hoffmann height != s->current_cursor->height) { 982d1cd6c7SLi Qiang free(data); 999d9e1521SGerd Hoffmann return; 1009d9e1521SGerd Hoffmann } 1019d9e1521SGerd Hoffmann 1029d9e1521SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 1039d9e1521SGerd Hoffmann memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t)); 1049d9e1521SGerd Hoffmann free(data); 1059d9e1521SGerd Hoffmann } 1069d9e1521SGerd Hoffmann 1079d9e1521SGerd Hoffmann #endif 1089d9e1521SGerd Hoffmann 10962232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 11062232bf4SGerd Hoffmann { 11162232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 1120c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 11362232bf4SGerd Hoffmann 11450d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 11562232bf4SGerd Hoffmann return; 11662232bf4SGerd Hoffmann } 11750d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 11862232bf4SGerd Hoffmann 119e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 120e9c1b459SGerd Hoffmann cursor->pos.x, 121e9c1b459SGerd Hoffmann cursor->pos.y, 122e9c1b459SGerd Hoffmann move ? "move" : "update", 123e9c1b459SGerd Hoffmann cursor->resource_id); 124e9c1b459SGerd Hoffmann 1250c244e50SGerd Hoffmann if (!move) { 12662232bf4SGerd Hoffmann if (!s->current_cursor) { 12762232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 12862232bf4SGerd Hoffmann } 12962232bf4SGerd Hoffmann 13062232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 13162232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 13262232bf4SGerd Hoffmann 13362232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 1349d9e1521SGerd Hoffmann VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple, 1359d9e1521SGerd Hoffmann g, s, cursor->resource_id); 13662232bf4SGerd Hoffmann } 13762232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1380c244e50SGerd Hoffmann 1390c244e50SGerd Hoffmann s->cursor = *cursor; 1400c244e50SGerd Hoffmann } else { 1410c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1420c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 14362232bf4SGerd Hoffmann } 14462232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 14562232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 14662232bf4SGerd Hoffmann } 14762232bf4SGerd Hoffmann 14862232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 14962232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 15062232bf4SGerd Hoffmann { 15162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 15262232bf4SGerd Hoffmann 15362232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 15462232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 15562232bf4SGerd Hoffmann return res; 15662232bf4SGerd Hoffmann } 15762232bf4SGerd Hoffmann } 15862232bf4SGerd Hoffmann return NULL; 15962232bf4SGerd Hoffmann } 16062232bf4SGerd Hoffmann 16162232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 16262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16462232bf4SGerd Hoffmann size_t resp_len) 16562232bf4SGerd Hoffmann { 16662232bf4SGerd Hoffmann size_t s; 16762232bf4SGerd Hoffmann 16862232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 16962232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 17062232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 17162232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 17262232bf4SGerd Hoffmann } 1731715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17462232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17562232bf4SGerd Hoffmann if (s != resp_len) { 17662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17762232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 17862232bf4SGerd Hoffmann __func__, s, resp_len); 17962232bf4SGerd Hoffmann } 18062232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 18162232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 18262232bf4SGerd Hoffmann cmd->finished = true; 18362232bf4SGerd Hoffmann } 18462232bf4SGerd Hoffmann 18562232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18762232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 18862232bf4SGerd Hoffmann { 18962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 19062232bf4SGerd Hoffmann 19162232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 19262232bf4SGerd Hoffmann resp.type = type; 19362232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19462232bf4SGerd Hoffmann } 19562232bf4SGerd Hoffmann 19662232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 19862232bf4SGerd Hoffmann { 19962232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 20062232bf4SGerd Hoffmann 20162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 20262232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20362232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20450d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20562232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20662232bf4SGerd Hoffmann sizeof(display_info)); 20762232bf4SGerd Hoffmann } 20862232bf4SGerd Hoffmann 2091ed2cb32SGerd Hoffmann static void 2101ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 2111ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 2121ed2cb32SGerd Hoffmann { 21350d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2141ed2cb32SGerd Hoffmann qemu_edid_info info = { 2154bf47f36SMarc-André Lureau .width_mm = b->req_state[scanout].width_mm, 2164bf47f36SMarc-André Lureau .height_mm = b->req_state[scanout].height_mm, 21750d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 21850d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 2191ed2cb32SGerd Hoffmann }; 2201ed2cb32SGerd Hoffmann 2211ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 2221ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 2231ed2cb32SGerd Hoffmann } 2241ed2cb32SGerd Hoffmann 2251ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2261ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2271ed2cb32SGerd Hoffmann { 2281ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2291ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 23050d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2311ed2cb32SGerd Hoffmann 2321ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2331ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2341ed2cb32SGerd Hoffmann 23550d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2361ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2371ed2cb32SGerd Hoffmann return; 2381ed2cb32SGerd Hoffmann } 2391ed2cb32SGerd Hoffmann 2401ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2411ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2421ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2431ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2441ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2451ed2cb32SGerd Hoffmann } 2461ed2cb32SGerd Hoffmann 247c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 248c53f5b89STao Wu uint32_t width, uint32_t height) 249c53f5b89STao Wu { 250c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 251c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 252c53f5b89STao Wu */ 253c53f5b89STao Wu 254c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 255c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 256c53f5b89STao Wu return height * stride; 257c53f5b89STao Wu } 258c53f5b89STao Wu 25962232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 26062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 26162232bf4SGerd Hoffmann { 26262232bf4SGerd Hoffmann pixman_format_code_t pformat; 26362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 26462232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26562232bf4SGerd Hoffmann 26662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2671715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 26962232bf4SGerd Hoffmann c2d.width, c2d.height); 27062232bf4SGerd Hoffmann 27162232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 27262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 27362232bf4SGerd Hoffmann __func__); 27462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27562232bf4SGerd Hoffmann return; 27662232bf4SGerd Hoffmann } 27762232bf4SGerd Hoffmann 27862232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 27962232bf4SGerd Hoffmann if (res) { 28062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 28162232bf4SGerd Hoffmann __func__, c2d.resource_id); 28262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 28362232bf4SGerd Hoffmann return; 28462232bf4SGerd Hoffmann } 28562232bf4SGerd Hoffmann 28662232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28762232bf4SGerd Hoffmann 28862232bf4SGerd Hoffmann res->width = c2d.width; 28962232bf4SGerd Hoffmann res->height = c2d.height; 29062232bf4SGerd Hoffmann res->format = c2d.format; 29162232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 29262232bf4SGerd Hoffmann 29383a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 29462232bf4SGerd Hoffmann if (!pformat) { 29562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29662232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29762232bf4SGerd Hoffmann __func__, c2d.format); 298cb3a0522SLi Qiang g_free(res); 29962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 30062232bf4SGerd Hoffmann return; 30162232bf4SGerd Hoffmann } 3029b7621bcSGerd Hoffmann 303c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 30450d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 30562232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 30662232bf4SGerd Hoffmann c2d.width, 30762232bf4SGerd Hoffmann c2d.height, 30862232bf4SGerd Hoffmann NULL, 0); 3099b7621bcSGerd Hoffmann } 31062232bf4SGerd Hoffmann 31162232bf4SGerd Hoffmann if (!res->image) { 31262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 31362232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 31462232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 31562232bf4SGerd Hoffmann g_free(res); 31662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 31762232bf4SGerd Hoffmann return; 31862232bf4SGerd Hoffmann } 31962232bf4SGerd Hoffmann 32062232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3219b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 32262232bf4SGerd Hoffmann } 32362232bf4SGerd Hoffmann 324da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 325da566a18SGerd Hoffmann { 32650d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 327da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 328da566a18SGerd Hoffmann 329da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 330da566a18SGerd Hoffmann return; 331da566a18SGerd Hoffmann } 332da566a18SGerd Hoffmann 333da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 334da566a18SGerd Hoffmann if (res) { 335da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 336da566a18SGerd Hoffmann } 337da566a18SGerd Hoffmann 338ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 339da566a18SGerd Hoffmann scanout->resource_id = 0; 340da566a18SGerd Hoffmann scanout->ds = NULL; 341da566a18SGerd Hoffmann scanout->width = 0; 342da566a18SGerd Hoffmann scanout->height = 0; 343da566a18SGerd Hoffmann } 344da566a18SGerd Hoffmann 34562232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 34662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 34762232bf4SGerd Hoffmann { 3481fccd7c5SGerd Hoffmann int i; 3491fccd7c5SGerd Hoffmann 3501fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 35150d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 3521fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 3531fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 3541fccd7c5SGerd Hoffmann } 3551fccd7c5SGerd Hoffmann } 3561fccd7c5SGerd Hoffmann } 3571fccd7c5SGerd Hoffmann 35862232bf4SGerd Hoffmann pixman_image_unref(res->image); 3593bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 36062232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 3619b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 36262232bf4SGerd Hoffmann g_free(res); 36362232bf4SGerd Hoffmann } 36462232bf4SGerd Hoffmann 36562232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 36662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 36762232bf4SGerd Hoffmann { 36862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 36962232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 37062232bf4SGerd Hoffmann 37162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 3721715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 37362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 37462232bf4SGerd Hoffmann 37562232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 37662232bf4SGerd Hoffmann if (!res) { 37762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 37862232bf4SGerd Hoffmann __func__, unref.resource_id); 37962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 38062232bf4SGerd Hoffmann return; 38162232bf4SGerd Hoffmann } 38262232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 38362232bf4SGerd Hoffmann } 38462232bf4SGerd Hoffmann 38562232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 38662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 38762232bf4SGerd Hoffmann { 38862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 38962232bf4SGerd Hoffmann int h; 39062232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 39162232bf4SGerd Hoffmann int bpp; 39262232bf4SGerd Hoffmann pixman_format_code_t format; 39362232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 39462232bf4SGerd Hoffmann 39562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 3961715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 39762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 39862232bf4SGerd Hoffmann 39962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, t2d.resource_id); 40062232bf4SGerd Hoffmann if (!res || !res->iov) { 40162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 40262232bf4SGerd Hoffmann __func__, t2d.resource_id); 40362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 40462232bf4SGerd Hoffmann return; 40562232bf4SGerd Hoffmann } 40662232bf4SGerd Hoffmann 40762232bf4SGerd Hoffmann if (t2d.r.x > res->width || 40862232bf4SGerd Hoffmann t2d.r.y > res->height || 40962232bf4SGerd Hoffmann t2d.r.width > res->width || 41062232bf4SGerd Hoffmann t2d.r.height > res->height || 41162232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 41262232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 41362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 41462232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 41562232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 41662232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 41762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 41862232bf4SGerd Hoffmann return; 41962232bf4SGerd Hoffmann } 42062232bf4SGerd Hoffmann 42162232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 422e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 42362232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 42462232bf4SGerd Hoffmann 42562232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 42662232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 42762232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 42862232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 42962232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 43062232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 43162232bf4SGerd Hoffmann 43262232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 43362232bf4SGerd Hoffmann (uint8_t *)img_data 43462232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 43562232bf4SGerd Hoffmann } 43662232bf4SGerd Hoffmann } else { 43762232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 43862232bf4SGerd Hoffmann pixman_image_get_data(res->image), 43962232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 44062232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 44162232bf4SGerd Hoffmann } 44262232bf4SGerd Hoffmann } 44362232bf4SGerd Hoffmann 44462232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 44562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 44662232bf4SGerd Hoffmann { 44762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 44862232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 44962232bf4SGerd Hoffmann pixman_region16_t flush_region; 45062232bf4SGerd Hoffmann int i; 45162232bf4SGerd Hoffmann 45262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 4531715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 45462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 45562232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 45662232bf4SGerd Hoffmann 45762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, rf.resource_id); 45862232bf4SGerd Hoffmann if (!res) { 45962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 46062232bf4SGerd Hoffmann __func__, rf.resource_id); 46162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 46262232bf4SGerd Hoffmann return; 46362232bf4SGerd Hoffmann } 46462232bf4SGerd Hoffmann 46562232bf4SGerd Hoffmann if (rf.r.x > res->width || 46662232bf4SGerd Hoffmann rf.r.y > res->height || 46762232bf4SGerd Hoffmann rf.r.width > res->width || 46862232bf4SGerd Hoffmann rf.r.height > res->height || 46962232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 47062232bf4SGerd Hoffmann rf.r.y + rf.r.height > res->height) { 47162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 47262232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47362232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 47462232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 47562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 47662232bf4SGerd Hoffmann return; 47762232bf4SGerd Hoffmann } 47862232bf4SGerd Hoffmann 47962232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 48062232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 48150d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 48262232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 48362232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 48462232bf4SGerd Hoffmann pixman_box16_t *extents; 48562232bf4SGerd Hoffmann 48662232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 48762232bf4SGerd Hoffmann continue; 48862232bf4SGerd Hoffmann } 48950d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 49062232bf4SGerd Hoffmann 49162232bf4SGerd Hoffmann pixman_region_init(&finalregion); 49262232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 49362232bf4SGerd Hoffmann scanout->width, scanout->height); 49462232bf4SGerd Hoffmann 49562232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 49662232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 49762232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 49862232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 49950d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 50062232bf4SGerd Hoffmann extents->x1, extents->y1, 50162232bf4SGerd Hoffmann extents->x2 - extents->x1, 50262232bf4SGerd Hoffmann extents->y2 - extents->y1); 50362232bf4SGerd Hoffmann 50462232bf4SGerd Hoffmann pixman_region_fini(®ion); 50562232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 50662232bf4SGerd Hoffmann } 50762232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 50862232bf4SGerd Hoffmann } 50962232bf4SGerd Hoffmann 510fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 511fa06e5cbSGerd Hoffmann { 512fa06e5cbSGerd Hoffmann pixman_image_unref(data); 513fa06e5cbSGerd Hoffmann } 514fa06e5cbSGerd Hoffmann 51562232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 51662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 51762232bf4SGerd Hoffmann { 518c806cfa0SGerd Hoffmann struct virtio_gpu_simple_resource *res, *ores; 51962232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 52062232bf4SGerd Hoffmann pixman_format_code_t format; 52162232bf4SGerd Hoffmann uint32_t offset; 52262232bf4SGerd Hoffmann int bpp; 52362232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 52462232bf4SGerd Hoffmann 52562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 5261715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 52762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 52862232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 52962232bf4SGerd Hoffmann 53050d8e25eSMarc-André Lureau if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 531fe89fdebSMarc-André Lureau qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 532fe89fdebSMarc-André Lureau __func__, ss.scanout_id); 533fe89fdebSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 534fe89fdebSMarc-André Lureau return; 535fe89fdebSMarc-André Lureau } 536fe89fdebSMarc-André Lureau 53750d8e25eSMarc-André Lureau g->parent_obj.enable = 1; 53862232bf4SGerd Hoffmann if (ss.resource_id == 0) { 539da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 54062232bf4SGerd Hoffmann return; 54162232bf4SGerd Hoffmann } 54262232bf4SGerd Hoffmann 54362232bf4SGerd Hoffmann /* create a surface for this scanout */ 54462232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ss.resource_id); 54562232bf4SGerd Hoffmann if (!res) { 54662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 54762232bf4SGerd Hoffmann __func__, ss.resource_id); 54862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 54962232bf4SGerd Hoffmann return; 55062232bf4SGerd Hoffmann } 55162232bf4SGerd Hoffmann 55262232bf4SGerd Hoffmann if (ss.r.x > res->width || 55362232bf4SGerd Hoffmann ss.r.y > res->height || 554da35f7f1SGerd Hoffmann ss.r.width < 16 || 555da35f7f1SGerd Hoffmann ss.r.height < 16 || 55662232bf4SGerd Hoffmann ss.r.width > res->width || 55762232bf4SGerd Hoffmann ss.r.height > res->height || 55862232bf4SGerd Hoffmann ss.r.x + ss.r.width > res->width || 55962232bf4SGerd Hoffmann ss.r.y + ss.r.height > res->height) { 56062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 56162232bf4SGerd Hoffmann " resource %d, (%d,%d)+%d,%d vs %d %d\n", 56262232bf4SGerd Hoffmann __func__, ss.scanout_id, ss.resource_id, ss.r.x, ss.r.y, 56362232bf4SGerd Hoffmann ss.r.width, ss.r.height, res->width, res->height); 56462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 56562232bf4SGerd Hoffmann return; 56662232bf4SGerd Hoffmann } 56762232bf4SGerd Hoffmann 56850d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[ss.scanout_id]; 56962232bf4SGerd Hoffmann 57062232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 571e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 57262232bf4SGerd Hoffmann offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image); 57362232bf4SGerd Hoffmann if (!scanout->ds || surface_data(scanout->ds) 57462232bf4SGerd Hoffmann != ((uint8_t *)pixman_image_get_data(res->image) + offset) || 57562232bf4SGerd Hoffmann scanout->width != ss.r.width || 57662232bf4SGerd Hoffmann scanout->height != ss.r.height) { 577fa06e5cbSGerd Hoffmann pixman_image_t *rect; 578fa06e5cbSGerd Hoffmann void *ptr = (uint8_t *)pixman_image_get_data(res->image) + offset; 579fa06e5cbSGerd Hoffmann rect = pixman_image_create_bits(format, ss.r.width, ss.r.height, ptr, 580fa06e5cbSGerd Hoffmann pixman_image_get_stride(res->image)); 581fa06e5cbSGerd Hoffmann pixman_image_ref(res->image); 582fa06e5cbSGerd Hoffmann pixman_image_set_destroy_function(rect, virtio_unref_resource, 583fa06e5cbSGerd Hoffmann res->image); 58462232bf4SGerd Hoffmann /* realloc the surface ptr */ 585fa06e5cbSGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(rect); 58662232bf4SGerd Hoffmann if (!scanout->ds) { 58762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 58862232bf4SGerd Hoffmann return; 58962232bf4SGerd Hoffmann } 590dd248ed7SLi Qiang pixman_image_unref(rect); 59150d8e25eSMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[ss.scanout_id].con, 59250d8e25eSMarc-André Lureau scanout->ds); 59362232bf4SGerd Hoffmann } 59462232bf4SGerd Hoffmann 595c806cfa0SGerd Hoffmann ores = virtio_gpu_find_resource(g, scanout->resource_id); 596c806cfa0SGerd Hoffmann if (ores) { 597c806cfa0SGerd Hoffmann ores->scanout_bitmask &= ~(1 << ss.scanout_id); 598c806cfa0SGerd Hoffmann } 599c806cfa0SGerd Hoffmann 60062232bf4SGerd Hoffmann res->scanout_bitmask |= (1 << ss.scanout_id); 60162232bf4SGerd Hoffmann scanout->resource_id = ss.resource_id; 60262232bf4SGerd Hoffmann scanout->x = ss.r.x; 60362232bf4SGerd Hoffmann scanout->y = ss.r.y; 60462232bf4SGerd Hoffmann scanout->width = ss.r.width; 60562232bf4SGerd Hoffmann scanout->height = ss.r.height; 60662232bf4SGerd Hoffmann } 60762232bf4SGerd Hoffmann 6083bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 6093bb68f79SGerd Hoffmann struct virtio_gpu_resource_attach_backing *ab, 61062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 6119049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 6129049f8bcSGerd Hoffmann uint32_t *niov) 61362232bf4SGerd Hoffmann { 61462232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 61562232bf4SGerd Hoffmann size_t esize, s; 6169049f8bcSGerd Hoffmann int e, v; 61762232bf4SGerd Hoffmann 61862232bf4SGerd Hoffmann if (ab->nr_entries > 16384) { 61962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 6202c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 62162232bf4SGerd Hoffmann __func__, ab->nr_entries); 62262232bf4SGerd Hoffmann return -1; 62362232bf4SGerd Hoffmann } 62462232bf4SGerd Hoffmann 62562232bf4SGerd Hoffmann esize = sizeof(*ents) * ab->nr_entries; 62662232bf4SGerd Hoffmann ents = g_malloc(esize); 62762232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 62862232bf4SGerd Hoffmann sizeof(*ab), ents, esize); 62962232bf4SGerd Hoffmann if (s != esize) { 63062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 63162232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 63262232bf4SGerd Hoffmann __func__, s, esize); 63362232bf4SGerd Hoffmann g_free(ents); 63462232bf4SGerd Hoffmann return -1; 63562232bf4SGerd Hoffmann } 63662232bf4SGerd Hoffmann 6379049f8bcSGerd Hoffmann *iov = NULL; 6380c244e50SGerd Hoffmann if (addr) { 6399049f8bcSGerd Hoffmann *addr = NULL; 6400c244e50SGerd Hoffmann } 6419049f8bcSGerd Hoffmann for (e = 0, v = 0; e < ab->nr_entries; e++) { 6429049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 6439049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 6449049f8bcSGerd Hoffmann hwaddr len; 6459049f8bcSGerd Hoffmann void *map; 6469049f8bcSGerd Hoffmann 6479049f8bcSGerd Hoffmann do { 6489049f8bcSGerd Hoffmann len = l; 6499049f8bcSGerd Hoffmann map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 6508da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 6519049f8bcSGerd Hoffmann if (!map) { 65262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 65362232bf4SGerd Hoffmann " resource %d element %d\n", 6549049f8bcSGerd Hoffmann __func__, ab->resource_id, e); 6559049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 65662232bf4SGerd Hoffmann g_free(ents); 65762232bf4SGerd Hoffmann *iov = NULL; 6580c244e50SGerd Hoffmann if (addr) { 6590c244e50SGerd Hoffmann g_free(*addr); 6600c244e50SGerd Hoffmann *addr = NULL; 6610c244e50SGerd Hoffmann } 66262232bf4SGerd Hoffmann return -1; 66362232bf4SGerd Hoffmann } 6649049f8bcSGerd Hoffmann 6659049f8bcSGerd Hoffmann if (!(v % 16)) { 6669049f8bcSGerd Hoffmann *iov = g_realloc(*iov, sizeof(struct iovec) * (v + 16)); 6679049f8bcSGerd Hoffmann if (addr) { 6689049f8bcSGerd Hoffmann *addr = g_realloc(*addr, sizeof(uint64_t) * (v + 16)); 66962232bf4SGerd Hoffmann } 6709049f8bcSGerd Hoffmann } 6719049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 6729049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 6739049f8bcSGerd Hoffmann if (addr) { 6749049f8bcSGerd Hoffmann (*addr)[v] = a; 6759049f8bcSGerd Hoffmann } 6769049f8bcSGerd Hoffmann 6779049f8bcSGerd Hoffmann a += len; 6789049f8bcSGerd Hoffmann l -= len; 6799049f8bcSGerd Hoffmann v += 1; 6809049f8bcSGerd Hoffmann } while (l > 0); 6819049f8bcSGerd Hoffmann } 6829049f8bcSGerd Hoffmann *niov = v; 6839049f8bcSGerd Hoffmann 68462232bf4SGerd Hoffmann g_free(ents); 68562232bf4SGerd Hoffmann return 0; 68662232bf4SGerd Hoffmann } 68762232bf4SGerd Hoffmann 6883bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 6893bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 69062232bf4SGerd Hoffmann { 69162232bf4SGerd Hoffmann int i; 69262232bf4SGerd Hoffmann 69362232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 6948da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 6958da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 6968da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 69762232bf4SGerd Hoffmann iov[i].iov_len); 69862232bf4SGerd Hoffmann } 6997f3be0f2SGerd Hoffmann g_free(iov); 70062232bf4SGerd Hoffmann } 70162232bf4SGerd Hoffmann 7023bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 7033bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 70462232bf4SGerd Hoffmann { 7053bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 70662232bf4SGerd Hoffmann res->iov = NULL; 70762232bf4SGerd Hoffmann res->iov_cnt = 0; 7080c244e50SGerd Hoffmann g_free(res->addrs); 7090c244e50SGerd Hoffmann res->addrs = NULL; 71062232bf4SGerd Hoffmann } 71162232bf4SGerd Hoffmann 71262232bf4SGerd Hoffmann static void 71362232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 71462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 71562232bf4SGerd Hoffmann { 71662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 71762232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 71862232bf4SGerd Hoffmann int ret; 71962232bf4SGerd Hoffmann 72062232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 7211715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 72262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 72362232bf4SGerd Hoffmann 72462232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 72562232bf4SGerd Hoffmann if (!res) { 72662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 72762232bf4SGerd Hoffmann __func__, ab.resource_id); 72862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 72962232bf4SGerd Hoffmann return; 73062232bf4SGerd Hoffmann } 73162232bf4SGerd Hoffmann 732204f01b3SLi Qiang if (res->iov) { 733204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 734204f01b3SLi Qiang return; 735204f01b3SLi Qiang } 736204f01b3SLi Qiang 7379049f8bcSGerd Hoffmann ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, 7389049f8bcSGerd Hoffmann &res->iov, &res->iov_cnt); 73962232bf4SGerd Hoffmann if (ret != 0) { 74062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 74162232bf4SGerd Hoffmann return; 74262232bf4SGerd Hoffmann } 74362232bf4SGerd Hoffmann } 74462232bf4SGerd Hoffmann 74562232bf4SGerd Hoffmann static void 74662232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 74762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 74862232bf4SGerd Hoffmann { 74962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 75062232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 75162232bf4SGerd Hoffmann 75262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 7531715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 75462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 75562232bf4SGerd Hoffmann 75662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, detach.resource_id); 75762232bf4SGerd Hoffmann if (!res || !res->iov) { 75862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 75962232bf4SGerd Hoffmann __func__, detach.resource_id); 76062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 76162232bf4SGerd Hoffmann return; 76262232bf4SGerd Hoffmann } 7633bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 76462232bf4SGerd Hoffmann } 76562232bf4SGerd Hoffmann 76662232bf4SGerd Hoffmann static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 76762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 76862232bf4SGerd Hoffmann { 76962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 7701715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 77162232bf4SGerd Hoffmann 77262232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 77362232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 77462232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 77562232bf4SGerd Hoffmann break; 7761ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 7771ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 7781ed2cb32SGerd Hoffmann break; 77962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 78062232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 78162232bf4SGerd Hoffmann break; 78262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 78362232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 78462232bf4SGerd Hoffmann break; 78562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 78662232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 78762232bf4SGerd Hoffmann break; 78862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 78962232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 79062232bf4SGerd Hoffmann break; 79162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 79262232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 79362232bf4SGerd Hoffmann break; 79462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 79562232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 79662232bf4SGerd Hoffmann break; 79762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 79862232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 79962232bf4SGerd Hoffmann break; 80062232bf4SGerd Hoffmann default: 80162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 80262232bf4SGerd Hoffmann break; 80362232bf4SGerd Hoffmann } 80462232bf4SGerd Hoffmann if (!cmd->finished) { 80562232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 80662232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 80762232bf4SGerd Hoffmann } 80862232bf4SGerd Hoffmann } 80962232bf4SGerd Hoffmann 81062232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 81162232bf4SGerd Hoffmann { 81262232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 81362232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 81462232bf4SGerd Hoffmann } 81562232bf4SGerd Hoffmann 81662232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 81762232bf4SGerd Hoffmann { 81862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 81962232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 82062232bf4SGerd Hoffmann } 82162232bf4SGerd Hoffmann 8220c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 8233eb769fdSGerd Hoffmann { 8243eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 8253eb769fdSGerd Hoffmann 826f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 827f8f3c271SMarc-André Lureau return; 828f8f3c271SMarc-André Lureau } 829f8f3c271SMarc-André Lureau g->processing_cmdq = true; 8303eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 8313eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 8323eb769fdSGerd Hoffmann 83350d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 8340c55a1cfSGerd Hoffmann break; 8350c55a1cfSGerd Hoffmann } 836ad341aacSMarc-André Lureau 837ad341aacSMarc-André Lureau /* process command */ 838ad341aacSMarc-André Lureau VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd, 839ad341aacSMarc-André Lureau g, cmd); 840ad341aacSMarc-André Lureau 8413eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 84250d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8433eb769fdSGerd Hoffmann g->stats.requests++; 8443eb769fdSGerd Hoffmann } 8453eb769fdSGerd Hoffmann 8463eb769fdSGerd Hoffmann if (!cmd->finished) { 8473eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 8483eb769fdSGerd Hoffmann g->inflight++; 84950d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8503eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 8513eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 8523eb769fdSGerd Hoffmann } 8533eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 8543eb769fdSGerd Hoffmann } 8553eb769fdSGerd Hoffmann } else { 8563eb769fdSGerd Hoffmann g_free(cmd); 8573eb769fdSGerd Hoffmann } 8583eb769fdSGerd Hoffmann } 859f8f3c271SMarc-André Lureau g->processing_cmdq = false; 8603eb769fdSGerd Hoffmann } 8613eb769fdSGerd Hoffmann 8623cddb8b9SMarc-André Lureau static void virtio_gpu_gl_flushed(VirtIOGPUBase *b) 86350d8e25eSMarc-André Lureau { 86450d8e25eSMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(b); 86550d8e25eSMarc-André Lureau 86650d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 86750d8e25eSMarc-André Lureau if (g->renderer_reset) { 86850d8e25eSMarc-André Lureau g->renderer_reset = false; 86950d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 87050d8e25eSMarc-André Lureau } 87150d8e25eSMarc-André Lureau #endif 87250d8e25eSMarc-André Lureau virtio_gpu_process_cmdq(g); 87350d8e25eSMarc-André Lureau } 87450d8e25eSMarc-André Lureau 87562232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 87662232bf4SGerd Hoffmann { 87762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 87862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 87962232bf4SGerd Hoffmann 88062232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 88162232bf4SGerd Hoffmann return; 88262232bf4SGerd Hoffmann } 88362232bf4SGerd Hoffmann 8849d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 88550d8e25eSMarc-André Lureau if (!g->renderer_inited && g->parent_obj.use_virgl_renderer) { 8869d9e1521SGerd Hoffmann virtio_gpu_virgl_init(g); 8879d9e1521SGerd Hoffmann g->renderer_inited = true; 8889d9e1521SGerd Hoffmann } 8899d9e1521SGerd Hoffmann #endif 8909d9e1521SGerd Hoffmann 89151b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 89251b19ebeSPaolo Bonzini while (cmd) { 89362232bf4SGerd Hoffmann cmd->vq = vq; 89462232bf4SGerd Hoffmann cmd->error = 0; 89562232bf4SGerd Hoffmann cmd->finished = false; 8963eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 89751b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 89862232bf4SGerd Hoffmann } 8999d9e1521SGerd Hoffmann 9003eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 9013eb769fdSGerd Hoffmann 9029d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 90350d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 9049d9e1521SGerd Hoffmann virtio_gpu_virgl_fence_poll(g); 9059d9e1521SGerd Hoffmann } 9069d9e1521SGerd Hoffmann #endif 90762232bf4SGerd Hoffmann } 90862232bf4SGerd Hoffmann 90962232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 91062232bf4SGerd Hoffmann { 91162232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 912*cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 913*cabbe8e5SGerd Hoffmann 914*cabbe8e5SGerd Hoffmann vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 91562232bf4SGerd Hoffmann } 91662232bf4SGerd Hoffmann 91762232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 91862232bf4SGerd Hoffmann { 91962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 92051b19ebeSPaolo Bonzini VirtQueueElement *elem; 92162232bf4SGerd Hoffmann size_t s; 92262232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 92362232bf4SGerd Hoffmann 92462232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 92562232bf4SGerd Hoffmann return; 92662232bf4SGerd Hoffmann } 92751b19ebeSPaolo Bonzini for (;;) { 92851b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 92951b19ebeSPaolo Bonzini if (!elem) { 93051b19ebeSPaolo Bonzini break; 93151b19ebeSPaolo Bonzini } 93251b19ebeSPaolo Bonzini 93351b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 93462232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 93562232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 93662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 93762232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 93862232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 93962232bf4SGerd Hoffmann } else { 9401715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 94162232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 94262232bf4SGerd Hoffmann } 94351b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 94462232bf4SGerd Hoffmann virtio_notify(vdev, vq); 94551b19ebeSPaolo Bonzini g_free(elem); 94662232bf4SGerd Hoffmann } 94762232bf4SGerd Hoffmann } 94862232bf4SGerd Hoffmann 94962232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 95062232bf4SGerd Hoffmann { 95162232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 95250d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 95362232bf4SGerd Hoffmann } 95462232bf4SGerd Hoffmann 9550c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 9560c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 9570c244e50SGerd Hoffmann .version_id = 1, 9580c244e50SGerd Hoffmann .fields = (VMStateField[]) { 9590c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 9600c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 9610c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 9620c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 9630c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 9640c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 9650c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 9660c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 9670c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 9680c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 9690c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9700c244e50SGerd Hoffmann }, 9710c244e50SGerd Hoffmann }; 9720c244e50SGerd Hoffmann 9730c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 9740c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 9750c244e50SGerd Hoffmann .version_id = 1, 9760c244e50SGerd Hoffmann .fields = (VMStateField[]) { 97750d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 97850d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 97950d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 98050d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 98150d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 9820c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 9830c244e50SGerd Hoffmann struct virtio_gpu_scanout), 9840c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9850c244e50SGerd Hoffmann }, 9860c244e50SGerd Hoffmann }; 9870c244e50SGerd Hoffmann 9882c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 9893ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 9900c244e50SGerd Hoffmann { 9910c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9920c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9930c244e50SGerd Hoffmann int i; 9940c244e50SGerd Hoffmann 9950c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 9960c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 9970c244e50SGerd Hoffmann 9980c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 9990c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 10000c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 10010c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 10020c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 10030c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 10040c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10050c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 10060c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 10070c244e50SGerd Hoffmann } 10080c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 10090c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10100c244e50SGerd Hoffmann } 10110c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 10120c244e50SGerd Hoffmann 10132f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 10140c244e50SGerd Hoffmann } 10150c244e50SGerd Hoffmann 10162c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 101703fee66fSMarc-André Lureau const VMStateField *field) 10180c244e50SGerd Hoffmann { 10190c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 10200c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 10210c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 10220c244e50SGerd Hoffmann uint32_t resource_id, pformat; 10238a502efdSHalil Pasic int i; 10240c244e50SGerd Hoffmann 1025039aa5dbSPeter Maydell g->hostmem = 0; 1026039aa5dbSPeter Maydell 10270c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10280c244e50SGerd Hoffmann while (resource_id != 0) { 1029b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1030b0ee78ffSLi Qiang if (res) { 1031b0ee78ffSLi Qiang return -EINVAL; 1032b0ee78ffSLi Qiang } 1033b0ee78ffSLi Qiang 10340c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 10350c244e50SGerd Hoffmann res->resource_id = resource_id; 10360c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 10370c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 10380c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 10390c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 10400c244e50SGerd Hoffmann 10410c244e50SGerd Hoffmann /* allocate */ 104283a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 10430c244e50SGerd Hoffmann if (!pformat) { 1044c84f0f25SPeter Maydell g_free(res); 10450c244e50SGerd Hoffmann return -EINVAL; 10460c244e50SGerd Hoffmann } 10470c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 10480c244e50SGerd Hoffmann res->width, res->height, 10490c244e50SGerd Hoffmann NULL, 0); 10500c244e50SGerd Hoffmann if (!res->image) { 1051c84f0f25SPeter Maydell g_free(res); 10520c244e50SGerd Hoffmann return -EINVAL; 10530c244e50SGerd Hoffmann } 10540c244e50SGerd Hoffmann 1055c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1056039aa5dbSPeter Maydell 10570c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 10580c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 10590c244e50SGerd Hoffmann 10600c244e50SGerd Hoffmann /* read data */ 10610c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10620c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 10630c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 10640c244e50SGerd Hoffmann } 10650c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 10660c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10670c244e50SGerd Hoffmann 10680c244e50SGerd Hoffmann /* restore mapping */ 10690c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10700c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 10710c244e50SGerd Hoffmann res->iov[i].iov_base = 10728da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 10738da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 10743bb68f79SGerd Hoffmann 10750c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1076c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1077c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 10788da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 10798da132a5SGerd Hoffmann res->iov[i].iov_base, 1080a7f85e03SGerd Hoffmann len, 10818da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1082a7f85e03SGerd Hoffmann 0); 1083c84f0f25SPeter Maydell } 1084c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1085c84f0f25SPeter Maydell res->iov_cnt = i; 10863bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1087c84f0f25SPeter Maydell pixman_image_unref(res->image); 1088c84f0f25SPeter Maydell g_free(res); 10890c244e50SGerd Hoffmann return -EINVAL; 10900c244e50SGerd Hoffmann } 10910c244e50SGerd Hoffmann } 10920c244e50SGerd Hoffmann 10930c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1094039aa5dbSPeter Maydell g->hostmem += res->hostmem; 10950c244e50SGerd Hoffmann 10960c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10970c244e50SGerd Hoffmann } 10980c244e50SGerd Hoffmann 10990c244e50SGerd Hoffmann /* load & apply scanout state */ 11000c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 110150d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 110250d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 11030c244e50SGerd Hoffmann if (!scanout->resource_id) { 11040c244e50SGerd Hoffmann continue; 11050c244e50SGerd Hoffmann } 11060c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 11070c244e50SGerd Hoffmann if (!res) { 11080c244e50SGerd Hoffmann return -EINVAL; 11090c244e50SGerd Hoffmann } 11100c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 11110c244e50SGerd Hoffmann if (!scanout->ds) { 11120c244e50SGerd Hoffmann return -EINVAL; 11130c244e50SGerd Hoffmann } 11140c244e50SGerd Hoffmann 11150c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 111691155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 111710750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 11180c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 111910750ee0SGerd Hoffmann } 11200c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 11210c244e50SGerd Hoffmann } 11220c244e50SGerd Hoffmann 11230c244e50SGerd Hoffmann return 0; 11240c244e50SGerd Hoffmann } 11250c244e50SGerd Hoffmann 112637f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 112762232bf4SGerd Hoffmann { 112862232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 112962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 11309d9e1521SGerd Hoffmann 113150d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 113250d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 113350d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 113450d8e25eSMarc-André Lureau errp)) { 1135fe44dc91SAshijeet Acharya return; 1136fe44dc91SAshijeet Acharya } 1137fe44dc91SAshijeet Acharya 113850d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 113950d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 114062232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 114162232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 114262232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 11433eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 114462232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 114562232bf4SGerd Hoffmann } 114662232bf4SGerd Hoffmann 114776fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 114862232bf4SGerd Hoffmann { 114962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 115062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1151dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 115262232bf4SGerd Hoffmann 115362232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 115462232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 115562232bf4SGerd Hoffmann } 11569d9e1521SGerd Hoffmann 1157dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1158dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1159dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1160dc84ed5bSGerd Hoffmann g_free(cmd); 1161dc84ed5bSGerd Hoffmann } 1162dc84ed5bSGerd Hoffmann 1163dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1164dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1165dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1166dc84ed5bSGerd Hoffmann g->inflight--; 1167dc84ed5bSGerd Hoffmann g_free(cmd); 1168dc84ed5bSGerd Hoffmann } 1169dc84ed5bSGerd Hoffmann 117050d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 117150d8e25eSMarc-André Lureau } 117250d8e25eSMarc-André Lureau 117350d8e25eSMarc-André Lureau static void 117450d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 117550d8e25eSMarc-André Lureau { 117650d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 117750d8e25eSMarc-André Lureau 117850d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 117950d8e25eSMarc-André Lureau } 118050d8e25eSMarc-André Lureau 118150d8e25eSMarc-André Lureau static void 118250d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 118350d8e25eSMarc-André Lureau { 118450d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 118550d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 118650d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 118750d8e25eSMarc-André Lureau 118850d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 118950d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 119050d8e25eSMarc-André Lureau } 119162232bf4SGerd Hoffmann } 119262232bf4SGerd Hoffmann 11938a502efdSHalil Pasic /* 11948a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 11958a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 11968a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 11978a502efdSHalil Pasic * is saved/loaded after the core data. 11988a502efdSHalil Pasic * 11998a502efdSHalil Pasic * Because of this we need a special vmsd. 12008a502efdSHalil Pasic */ 12018a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 12028a502efdSHalil Pasic .name = "virtio-gpu", 12038a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 12048a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 12058a502efdSHalil Pasic .fields = (VMStateField[]) { 12068a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 12078a502efdSHalil Pasic { 12088a502efdSHalil Pasic .name = "virtio-gpu", 12098a502efdSHalil Pasic .info = &(const VMStateInfo) { 12108a502efdSHalil Pasic .name = "virtio-gpu", 12118a502efdSHalil Pasic .get = virtio_gpu_load, 12128a502efdSHalil Pasic .put = virtio_gpu_save, 12138a502efdSHalil Pasic }, 12148a502efdSHalil Pasic .flags = VMS_SINGLE, 12158a502efdSHalil Pasic } /* device */, 12168a502efdSHalil Pasic VMSTATE_END_OF_LIST() 12178a502efdSHalil Pasic }, 12188a502efdSHalil Pasic }; 12190fc07498SDr. David Alan Gilbert 122062232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 122150d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 122250d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 122350d8e25eSMarc-André Lureau 256 * MiB), 122462232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 122562232bf4SGerd Hoffmann }; 122662232bf4SGerd Hoffmann 122762232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 122862232bf4SGerd Hoffmann { 122962232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 123062232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1231*cabbe8e5SGerd Hoffmann VirtIOGPUBaseClass *vbc = VIRTIO_GPU_BASE_CLASS(klass); 1232*cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 123362232bf4SGerd Hoffmann 1234*cabbe8e5SGerd Hoffmann vbc->gl_flushed = virtio_gpu_gl_flushed; 1235*cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 1236*cabbe8e5SGerd Hoffmann 123762232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 123850d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 123962232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 124062232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 124162232bf4SGerd Hoffmann 12420fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 12434f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 124462232bf4SGerd Hoffmann } 124562232bf4SGerd Hoffmann 124662232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 124762232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 124850d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 124962232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1250*cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 125162232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 125262232bf4SGerd Hoffmann }; 125362232bf4SGerd Hoffmann 125462232bf4SGerd Hoffmann static void virtio_register_types(void) 125562232bf4SGerd Hoffmann { 125662232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 125762232bf4SGerd Hoffmann } 125862232bf4SGerd Hoffmann 125962232bf4SGerd Hoffmann type_init(virtio_register_types) 1260