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 DisplaySurface *ds = NULL; 329da566a18SGerd Hoffmann 330da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 331da566a18SGerd Hoffmann return; 332da566a18SGerd Hoffmann } 333da566a18SGerd Hoffmann 334da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 335da566a18SGerd Hoffmann if (res) { 336da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 337da566a18SGerd Hoffmann } 338da566a18SGerd Hoffmann 339da566a18SGerd Hoffmann if (scanout_id == 0) { 340da566a18SGerd Hoffmann /* primary head */ 341da566a18SGerd Hoffmann ds = qemu_create_message_surface(scanout->width ?: 640, 342da566a18SGerd Hoffmann scanout->height ?: 480, 343da566a18SGerd Hoffmann "Guest disabled display."); 344da566a18SGerd Hoffmann } 345da566a18SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, ds); 346da566a18SGerd Hoffmann scanout->resource_id = 0; 347da566a18SGerd Hoffmann scanout->ds = NULL; 348da566a18SGerd Hoffmann scanout->width = 0; 349da566a18SGerd Hoffmann scanout->height = 0; 350da566a18SGerd Hoffmann } 351da566a18SGerd Hoffmann 35262232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 35362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 35462232bf4SGerd Hoffmann { 3551fccd7c5SGerd Hoffmann int i; 3561fccd7c5SGerd Hoffmann 3571fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 35850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 3591fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 3601fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 3611fccd7c5SGerd Hoffmann } 3621fccd7c5SGerd Hoffmann } 3631fccd7c5SGerd Hoffmann } 3641fccd7c5SGerd Hoffmann 36562232bf4SGerd Hoffmann pixman_image_unref(res->image); 3663bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 36762232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 3689b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 36962232bf4SGerd Hoffmann g_free(res); 37062232bf4SGerd Hoffmann } 37162232bf4SGerd Hoffmann 37262232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 37362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 37462232bf4SGerd Hoffmann { 37562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 37662232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 37762232bf4SGerd Hoffmann 37862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 3791715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 38062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 38162232bf4SGerd Hoffmann 38262232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 38362232bf4SGerd Hoffmann if (!res) { 38462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 38562232bf4SGerd Hoffmann __func__, unref.resource_id); 38662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 38762232bf4SGerd Hoffmann return; 38862232bf4SGerd Hoffmann } 38962232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 39062232bf4SGerd Hoffmann } 39162232bf4SGerd Hoffmann 39262232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 39362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 39462232bf4SGerd Hoffmann { 39562232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 39662232bf4SGerd Hoffmann int h; 39762232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 39862232bf4SGerd Hoffmann int bpp; 39962232bf4SGerd Hoffmann pixman_format_code_t format; 40062232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 40162232bf4SGerd Hoffmann 40262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4031715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 40462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 40562232bf4SGerd Hoffmann 40662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, t2d.resource_id); 40762232bf4SGerd Hoffmann if (!res || !res->iov) { 40862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 40962232bf4SGerd Hoffmann __func__, t2d.resource_id); 41062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 41162232bf4SGerd Hoffmann return; 41262232bf4SGerd Hoffmann } 41362232bf4SGerd Hoffmann 41462232bf4SGerd Hoffmann if (t2d.r.x > res->width || 41562232bf4SGerd Hoffmann t2d.r.y > res->height || 41662232bf4SGerd Hoffmann t2d.r.width > res->width || 41762232bf4SGerd Hoffmann t2d.r.height > res->height || 41862232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 41962232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 42062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 42162232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 42262232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 42362232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 42462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 42562232bf4SGerd Hoffmann return; 42662232bf4SGerd Hoffmann } 42762232bf4SGerd Hoffmann 42862232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 429e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 43062232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 43162232bf4SGerd Hoffmann 43262232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 43362232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 43462232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 43562232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 43662232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 43762232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 43862232bf4SGerd Hoffmann 43962232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 44062232bf4SGerd Hoffmann (uint8_t *)img_data 44162232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 44262232bf4SGerd Hoffmann } 44362232bf4SGerd Hoffmann } else { 44462232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 44562232bf4SGerd Hoffmann pixman_image_get_data(res->image), 44662232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 44762232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 44862232bf4SGerd Hoffmann } 44962232bf4SGerd Hoffmann } 45062232bf4SGerd Hoffmann 45162232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 45262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 45362232bf4SGerd Hoffmann { 45462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 45562232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 45662232bf4SGerd Hoffmann pixman_region16_t flush_region; 45762232bf4SGerd Hoffmann int i; 45862232bf4SGerd Hoffmann 45962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 4601715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 46162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 46262232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 46362232bf4SGerd Hoffmann 46462232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, rf.resource_id); 46562232bf4SGerd Hoffmann if (!res) { 46662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 46762232bf4SGerd Hoffmann __func__, rf.resource_id); 46862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 46962232bf4SGerd Hoffmann return; 47062232bf4SGerd Hoffmann } 47162232bf4SGerd Hoffmann 47262232bf4SGerd Hoffmann if (rf.r.x > res->width || 47362232bf4SGerd Hoffmann rf.r.y > res->height || 47462232bf4SGerd Hoffmann rf.r.width > res->width || 47562232bf4SGerd Hoffmann rf.r.height > res->height || 47662232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 47762232bf4SGerd Hoffmann rf.r.y + rf.r.height > res->height) { 47862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 47962232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 48062232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 48162232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 48262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 48362232bf4SGerd Hoffmann return; 48462232bf4SGerd Hoffmann } 48562232bf4SGerd Hoffmann 48662232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 48762232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 48850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 48962232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 49062232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 49162232bf4SGerd Hoffmann pixman_box16_t *extents; 49262232bf4SGerd Hoffmann 49362232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 49462232bf4SGerd Hoffmann continue; 49562232bf4SGerd Hoffmann } 49650d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 49762232bf4SGerd Hoffmann 49862232bf4SGerd Hoffmann pixman_region_init(&finalregion); 49962232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 50062232bf4SGerd Hoffmann scanout->width, scanout->height); 50162232bf4SGerd Hoffmann 50262232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 50362232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 50462232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 50562232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 50650d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 50762232bf4SGerd Hoffmann extents->x1, extents->y1, 50862232bf4SGerd Hoffmann extents->x2 - extents->x1, 50962232bf4SGerd Hoffmann extents->y2 - extents->y1); 51062232bf4SGerd Hoffmann 51162232bf4SGerd Hoffmann pixman_region_fini(®ion); 51262232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 51362232bf4SGerd Hoffmann } 51462232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 51562232bf4SGerd Hoffmann } 51662232bf4SGerd Hoffmann 517fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 518fa06e5cbSGerd Hoffmann { 519fa06e5cbSGerd Hoffmann pixman_image_unref(data); 520fa06e5cbSGerd Hoffmann } 521fa06e5cbSGerd Hoffmann 52262232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 52362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 52462232bf4SGerd Hoffmann { 525c806cfa0SGerd Hoffmann struct virtio_gpu_simple_resource *res, *ores; 52662232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 52762232bf4SGerd Hoffmann pixman_format_code_t format; 52862232bf4SGerd Hoffmann uint32_t offset; 52962232bf4SGerd Hoffmann int bpp; 53062232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 53162232bf4SGerd Hoffmann 53262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 5331715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 53462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 53562232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 53662232bf4SGerd Hoffmann 53750d8e25eSMarc-André Lureau if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 538fe89fdebSMarc-André Lureau qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 539fe89fdebSMarc-André Lureau __func__, ss.scanout_id); 540fe89fdebSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 541fe89fdebSMarc-André Lureau return; 542fe89fdebSMarc-André Lureau } 543fe89fdebSMarc-André Lureau 54450d8e25eSMarc-André Lureau g->parent_obj.enable = 1; 54562232bf4SGerd Hoffmann if (ss.resource_id == 0) { 546da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 54762232bf4SGerd Hoffmann return; 54862232bf4SGerd Hoffmann } 54962232bf4SGerd Hoffmann 55062232bf4SGerd Hoffmann /* create a surface for this scanout */ 55162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ss.resource_id); 55262232bf4SGerd Hoffmann if (!res) { 55362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 55462232bf4SGerd Hoffmann __func__, ss.resource_id); 55562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 55662232bf4SGerd Hoffmann return; 55762232bf4SGerd Hoffmann } 55862232bf4SGerd Hoffmann 55962232bf4SGerd Hoffmann if (ss.r.x > res->width || 56062232bf4SGerd Hoffmann ss.r.y > res->height || 561da35f7f1SGerd Hoffmann ss.r.width < 16 || 562da35f7f1SGerd Hoffmann ss.r.height < 16 || 56362232bf4SGerd Hoffmann ss.r.width > res->width || 56462232bf4SGerd Hoffmann ss.r.height > res->height || 56562232bf4SGerd Hoffmann ss.r.x + ss.r.width > res->width || 56662232bf4SGerd Hoffmann ss.r.y + ss.r.height > res->height) { 56762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 56862232bf4SGerd Hoffmann " resource %d, (%d,%d)+%d,%d vs %d %d\n", 56962232bf4SGerd Hoffmann __func__, ss.scanout_id, ss.resource_id, ss.r.x, ss.r.y, 57062232bf4SGerd Hoffmann ss.r.width, ss.r.height, res->width, res->height); 57162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 57262232bf4SGerd Hoffmann return; 57362232bf4SGerd Hoffmann } 57462232bf4SGerd Hoffmann 57550d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[ss.scanout_id]; 57662232bf4SGerd Hoffmann 57762232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 578e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 57962232bf4SGerd Hoffmann offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image); 58062232bf4SGerd Hoffmann if (!scanout->ds || surface_data(scanout->ds) 58162232bf4SGerd Hoffmann != ((uint8_t *)pixman_image_get_data(res->image) + offset) || 58262232bf4SGerd Hoffmann scanout->width != ss.r.width || 58362232bf4SGerd Hoffmann scanout->height != ss.r.height) { 584fa06e5cbSGerd Hoffmann pixman_image_t *rect; 585fa06e5cbSGerd Hoffmann void *ptr = (uint8_t *)pixman_image_get_data(res->image) + offset; 586fa06e5cbSGerd Hoffmann rect = pixman_image_create_bits(format, ss.r.width, ss.r.height, ptr, 587fa06e5cbSGerd Hoffmann pixman_image_get_stride(res->image)); 588fa06e5cbSGerd Hoffmann pixman_image_ref(res->image); 589fa06e5cbSGerd Hoffmann pixman_image_set_destroy_function(rect, virtio_unref_resource, 590fa06e5cbSGerd Hoffmann res->image); 59162232bf4SGerd Hoffmann /* realloc the surface ptr */ 592fa06e5cbSGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(rect); 59362232bf4SGerd Hoffmann if (!scanout->ds) { 59462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 59562232bf4SGerd Hoffmann return; 59662232bf4SGerd Hoffmann } 597dd248ed7SLi Qiang pixman_image_unref(rect); 59850d8e25eSMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[ss.scanout_id].con, 59950d8e25eSMarc-André Lureau scanout->ds); 60062232bf4SGerd Hoffmann } 60162232bf4SGerd Hoffmann 602c806cfa0SGerd Hoffmann ores = virtio_gpu_find_resource(g, scanout->resource_id); 603c806cfa0SGerd Hoffmann if (ores) { 604c806cfa0SGerd Hoffmann ores->scanout_bitmask &= ~(1 << ss.scanout_id); 605c806cfa0SGerd Hoffmann } 606c806cfa0SGerd Hoffmann 60762232bf4SGerd Hoffmann res->scanout_bitmask |= (1 << ss.scanout_id); 60862232bf4SGerd Hoffmann scanout->resource_id = ss.resource_id; 60962232bf4SGerd Hoffmann scanout->x = ss.r.x; 61062232bf4SGerd Hoffmann scanout->y = ss.r.y; 61162232bf4SGerd Hoffmann scanout->width = ss.r.width; 61262232bf4SGerd Hoffmann scanout->height = ss.r.height; 61362232bf4SGerd Hoffmann } 61462232bf4SGerd Hoffmann 6153bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 6163bb68f79SGerd Hoffmann struct virtio_gpu_resource_attach_backing *ab, 61762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 6180c244e50SGerd Hoffmann uint64_t **addr, struct iovec **iov) 61962232bf4SGerd Hoffmann { 62062232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 62162232bf4SGerd Hoffmann size_t esize, s; 62262232bf4SGerd Hoffmann int i; 62362232bf4SGerd Hoffmann 62462232bf4SGerd Hoffmann if (ab->nr_entries > 16384) { 62562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 6262c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 62762232bf4SGerd Hoffmann __func__, ab->nr_entries); 62862232bf4SGerd Hoffmann return -1; 62962232bf4SGerd Hoffmann } 63062232bf4SGerd Hoffmann 63162232bf4SGerd Hoffmann esize = sizeof(*ents) * ab->nr_entries; 63262232bf4SGerd Hoffmann ents = g_malloc(esize); 63362232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 63462232bf4SGerd Hoffmann sizeof(*ab), ents, esize); 63562232bf4SGerd Hoffmann if (s != esize) { 63662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 63762232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 63862232bf4SGerd Hoffmann __func__, s, esize); 63962232bf4SGerd Hoffmann g_free(ents); 64062232bf4SGerd Hoffmann return -1; 64162232bf4SGerd Hoffmann } 64262232bf4SGerd Hoffmann 64362232bf4SGerd Hoffmann *iov = g_malloc0(sizeof(struct iovec) * ab->nr_entries); 6440c244e50SGerd Hoffmann if (addr) { 6450c244e50SGerd Hoffmann *addr = g_malloc0(sizeof(uint64_t) * ab->nr_entries); 6460c244e50SGerd Hoffmann } 64762232bf4SGerd Hoffmann for (i = 0; i < ab->nr_entries; i++) { 6481715d6b5SFarhan Ali uint64_t a = le64_to_cpu(ents[i].addr); 6491715d6b5SFarhan Ali uint32_t l = le32_to_cpu(ents[i].length); 6501715d6b5SFarhan Ali hwaddr len = l; 6518da132a5SGerd Hoffmann (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 6528da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 653eb398a54SLi Zhijian (*iov)[i].iov_len = len; 6540c244e50SGerd Hoffmann if (addr) { 6551715d6b5SFarhan Ali (*addr)[i] = a; 6560c244e50SGerd Hoffmann } 6571715d6b5SFarhan Ali if (!(*iov)[i].iov_base || len != l) { 65862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 65962232bf4SGerd Hoffmann " resource %d element %d\n", 66062232bf4SGerd Hoffmann __func__, ab->resource_id, i); 661eb398a54SLi Zhijian if ((*iov)[i].iov_base) { 662eb398a54SLi Zhijian i++; /* cleanup the 'i'th map */ 663eb398a54SLi Zhijian } 6643bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, i); 66562232bf4SGerd Hoffmann g_free(ents); 66662232bf4SGerd Hoffmann *iov = NULL; 6670c244e50SGerd Hoffmann if (addr) { 6680c244e50SGerd Hoffmann g_free(*addr); 6690c244e50SGerd Hoffmann *addr = NULL; 6700c244e50SGerd Hoffmann } 67162232bf4SGerd Hoffmann return -1; 67262232bf4SGerd Hoffmann } 67362232bf4SGerd Hoffmann } 67462232bf4SGerd Hoffmann g_free(ents); 67562232bf4SGerd Hoffmann return 0; 67662232bf4SGerd Hoffmann } 67762232bf4SGerd Hoffmann 6783bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 6793bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 68062232bf4SGerd Hoffmann { 68162232bf4SGerd Hoffmann int i; 68262232bf4SGerd Hoffmann 68362232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 6848da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 6858da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 6868da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 68762232bf4SGerd Hoffmann iov[i].iov_len); 68862232bf4SGerd Hoffmann } 6897f3be0f2SGerd Hoffmann g_free(iov); 69062232bf4SGerd Hoffmann } 69162232bf4SGerd Hoffmann 6923bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 6933bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 69462232bf4SGerd Hoffmann { 6953bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 69662232bf4SGerd Hoffmann res->iov = NULL; 69762232bf4SGerd Hoffmann res->iov_cnt = 0; 6980c244e50SGerd Hoffmann g_free(res->addrs); 6990c244e50SGerd Hoffmann res->addrs = NULL; 70062232bf4SGerd Hoffmann } 70162232bf4SGerd Hoffmann 70262232bf4SGerd Hoffmann static void 70362232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 70462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 70562232bf4SGerd Hoffmann { 70662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 70762232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 70862232bf4SGerd Hoffmann int ret; 70962232bf4SGerd Hoffmann 71062232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 7111715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 71262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 71362232bf4SGerd Hoffmann 71462232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 71562232bf4SGerd Hoffmann if (!res) { 71662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 71762232bf4SGerd Hoffmann __func__, ab.resource_id); 71862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 71962232bf4SGerd Hoffmann return; 72062232bf4SGerd Hoffmann } 72162232bf4SGerd Hoffmann 722204f01b3SLi Qiang if (res->iov) { 723204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 724204f01b3SLi Qiang return; 725204f01b3SLi Qiang } 726204f01b3SLi Qiang 7273bb68f79SGerd Hoffmann ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov); 72862232bf4SGerd Hoffmann if (ret != 0) { 72962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 73062232bf4SGerd Hoffmann return; 73162232bf4SGerd Hoffmann } 73262232bf4SGerd Hoffmann 73362232bf4SGerd Hoffmann res->iov_cnt = ab.nr_entries; 73462232bf4SGerd Hoffmann } 73562232bf4SGerd Hoffmann 73662232bf4SGerd Hoffmann static void 73762232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 73862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 73962232bf4SGerd Hoffmann { 74062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 74162232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 74262232bf4SGerd Hoffmann 74362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 7441715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 74562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 74662232bf4SGerd Hoffmann 74762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, detach.resource_id); 74862232bf4SGerd Hoffmann if (!res || !res->iov) { 74962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 75062232bf4SGerd Hoffmann __func__, detach.resource_id); 75162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 75262232bf4SGerd Hoffmann return; 75362232bf4SGerd Hoffmann } 7543bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 75562232bf4SGerd Hoffmann } 75662232bf4SGerd Hoffmann 75762232bf4SGerd Hoffmann static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 75862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 75962232bf4SGerd Hoffmann { 76062232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 7611715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 76262232bf4SGerd Hoffmann 76362232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 76462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 76562232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 76662232bf4SGerd Hoffmann break; 7671ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 7681ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 7691ed2cb32SGerd Hoffmann break; 77062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 77162232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 77262232bf4SGerd Hoffmann break; 77362232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 77462232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 77562232bf4SGerd Hoffmann break; 77662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 77762232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 77862232bf4SGerd Hoffmann break; 77962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 78062232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 78162232bf4SGerd Hoffmann break; 78262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 78362232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 78462232bf4SGerd Hoffmann break; 78562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 78662232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 78762232bf4SGerd Hoffmann break; 78862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 78962232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 79062232bf4SGerd Hoffmann break; 79162232bf4SGerd Hoffmann default: 79262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 79362232bf4SGerd Hoffmann break; 79462232bf4SGerd Hoffmann } 79562232bf4SGerd Hoffmann if (!cmd->finished) { 79662232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 79762232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 79862232bf4SGerd Hoffmann } 79962232bf4SGerd Hoffmann } 80062232bf4SGerd Hoffmann 80162232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 80262232bf4SGerd Hoffmann { 80362232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 80462232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 80562232bf4SGerd Hoffmann } 80662232bf4SGerd Hoffmann 80762232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 80862232bf4SGerd Hoffmann { 80962232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 81062232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 81162232bf4SGerd Hoffmann } 81262232bf4SGerd Hoffmann 8130c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 8143eb769fdSGerd Hoffmann { 8153eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 8163eb769fdSGerd Hoffmann 817*f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 818*f8f3c271SMarc-André Lureau return; 819*f8f3c271SMarc-André Lureau } 820*f8f3c271SMarc-André Lureau g->processing_cmdq = true; 8213eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 8223eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 8233eb769fdSGerd Hoffmann 82450d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 8250c55a1cfSGerd Hoffmann break; 8260c55a1cfSGerd Hoffmann } 827ad341aacSMarc-André Lureau 828ad341aacSMarc-André Lureau /* process command */ 829ad341aacSMarc-André Lureau VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd, 830ad341aacSMarc-André Lureau g, cmd); 831ad341aacSMarc-André Lureau 8323eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 83350d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8343eb769fdSGerd Hoffmann g->stats.requests++; 8353eb769fdSGerd Hoffmann } 8363eb769fdSGerd Hoffmann 8373eb769fdSGerd Hoffmann if (!cmd->finished) { 8383eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 8393eb769fdSGerd Hoffmann g->inflight++; 84050d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8413eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 8423eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 8433eb769fdSGerd Hoffmann } 8443eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 8453eb769fdSGerd Hoffmann } 8463eb769fdSGerd Hoffmann } else { 8473eb769fdSGerd Hoffmann g_free(cmd); 8483eb769fdSGerd Hoffmann } 8493eb769fdSGerd Hoffmann } 850*f8f3c271SMarc-André Lureau g->processing_cmdq = false; 8513eb769fdSGerd Hoffmann } 8523eb769fdSGerd Hoffmann 85350d8e25eSMarc-André Lureau static void virtio_gpu_gl_unblock(VirtIOGPUBase *b) 85450d8e25eSMarc-André Lureau { 85550d8e25eSMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(b); 85650d8e25eSMarc-André Lureau 85750d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 85850d8e25eSMarc-André Lureau if (g->renderer_reset) { 85950d8e25eSMarc-André Lureau g->renderer_reset = false; 86050d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 86150d8e25eSMarc-André Lureau } 86250d8e25eSMarc-André Lureau #endif 86350d8e25eSMarc-André Lureau virtio_gpu_process_cmdq(g); 86450d8e25eSMarc-André Lureau } 86550d8e25eSMarc-André Lureau 86662232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 86762232bf4SGerd Hoffmann { 86862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 86962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 87062232bf4SGerd Hoffmann 87162232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 87262232bf4SGerd Hoffmann return; 87362232bf4SGerd Hoffmann } 87462232bf4SGerd Hoffmann 8759d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 87650d8e25eSMarc-André Lureau if (!g->renderer_inited && g->parent_obj.use_virgl_renderer) { 8779d9e1521SGerd Hoffmann virtio_gpu_virgl_init(g); 8789d9e1521SGerd Hoffmann g->renderer_inited = true; 8799d9e1521SGerd Hoffmann } 8809d9e1521SGerd Hoffmann #endif 8819d9e1521SGerd Hoffmann 88251b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 88351b19ebeSPaolo Bonzini while (cmd) { 88462232bf4SGerd Hoffmann cmd->vq = vq; 88562232bf4SGerd Hoffmann cmd->error = 0; 88662232bf4SGerd Hoffmann cmd->finished = false; 8873eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 88851b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 88962232bf4SGerd Hoffmann } 8909d9e1521SGerd Hoffmann 8913eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 8923eb769fdSGerd Hoffmann 8939d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 89450d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 8959d9e1521SGerd Hoffmann virtio_gpu_virgl_fence_poll(g); 8969d9e1521SGerd Hoffmann } 8979d9e1521SGerd Hoffmann #endif 89862232bf4SGerd Hoffmann } 89962232bf4SGerd Hoffmann 90062232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 90162232bf4SGerd Hoffmann { 90262232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 90350d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 90462232bf4SGerd Hoffmann } 90562232bf4SGerd Hoffmann 90662232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 90762232bf4SGerd Hoffmann { 90862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 90951b19ebeSPaolo Bonzini VirtQueueElement *elem; 91062232bf4SGerd Hoffmann size_t s; 91162232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 91262232bf4SGerd Hoffmann 91362232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 91462232bf4SGerd Hoffmann return; 91562232bf4SGerd Hoffmann } 91651b19ebeSPaolo Bonzini for (;;) { 91751b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 91851b19ebeSPaolo Bonzini if (!elem) { 91951b19ebeSPaolo Bonzini break; 92051b19ebeSPaolo Bonzini } 92151b19ebeSPaolo Bonzini 92251b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 92362232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 92462232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 92562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 92662232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 92762232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 92862232bf4SGerd Hoffmann } else { 9291715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 93062232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 93162232bf4SGerd Hoffmann } 93251b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 93362232bf4SGerd Hoffmann virtio_notify(vdev, vq); 93451b19ebeSPaolo Bonzini g_free(elem); 93562232bf4SGerd Hoffmann } 93662232bf4SGerd Hoffmann } 93762232bf4SGerd Hoffmann 93862232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 93962232bf4SGerd Hoffmann { 94062232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 94150d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 94262232bf4SGerd Hoffmann } 94362232bf4SGerd Hoffmann 9440c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 9450c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 9460c244e50SGerd Hoffmann .version_id = 1, 9470c244e50SGerd Hoffmann .fields = (VMStateField[]) { 9480c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 9490c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 9500c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 9510c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 9520c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 9530c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 9540c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 9550c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 9560c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 9570c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 9580c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9590c244e50SGerd Hoffmann }, 9600c244e50SGerd Hoffmann }; 9610c244e50SGerd Hoffmann 9620c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 9630c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 9640c244e50SGerd Hoffmann .version_id = 1, 9650c244e50SGerd Hoffmann .fields = (VMStateField[]) { 96650d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 96750d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 96850d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 96950d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 97050d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 9710c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 9720c244e50SGerd Hoffmann struct virtio_gpu_scanout), 9730c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9740c244e50SGerd Hoffmann }, 9750c244e50SGerd Hoffmann }; 9760c244e50SGerd Hoffmann 9772c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 9783ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 9790c244e50SGerd Hoffmann { 9800c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9810c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9820c244e50SGerd Hoffmann int i; 9830c244e50SGerd Hoffmann 9840c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 9850c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 9860c244e50SGerd Hoffmann 9870c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 9880c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 9890c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 9900c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 9910c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 9920c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 9930c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 9940c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 9950c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 9960c244e50SGerd Hoffmann } 9970c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 9980c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 9990c244e50SGerd Hoffmann } 10000c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 10010c244e50SGerd Hoffmann 10022f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 10030c244e50SGerd Hoffmann } 10040c244e50SGerd Hoffmann 10052c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 100603fee66fSMarc-André Lureau const VMStateField *field) 10070c244e50SGerd Hoffmann { 10080c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 10090c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 10100c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 10110c244e50SGerd Hoffmann uint32_t resource_id, pformat; 10128a502efdSHalil Pasic int i; 10130c244e50SGerd Hoffmann 1014039aa5dbSPeter Maydell g->hostmem = 0; 1015039aa5dbSPeter Maydell 10160c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10170c244e50SGerd Hoffmann while (resource_id != 0) { 1018b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1019b0ee78ffSLi Qiang if (res) { 1020b0ee78ffSLi Qiang return -EINVAL; 1021b0ee78ffSLi Qiang } 1022b0ee78ffSLi Qiang 10230c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 10240c244e50SGerd Hoffmann res->resource_id = resource_id; 10250c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 10260c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 10270c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 10280c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 10290c244e50SGerd Hoffmann 10300c244e50SGerd Hoffmann /* allocate */ 103183a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 10320c244e50SGerd Hoffmann if (!pformat) { 1033c84f0f25SPeter Maydell g_free(res); 10340c244e50SGerd Hoffmann return -EINVAL; 10350c244e50SGerd Hoffmann } 10360c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 10370c244e50SGerd Hoffmann res->width, res->height, 10380c244e50SGerd Hoffmann NULL, 0); 10390c244e50SGerd Hoffmann if (!res->image) { 1040c84f0f25SPeter Maydell g_free(res); 10410c244e50SGerd Hoffmann return -EINVAL; 10420c244e50SGerd Hoffmann } 10430c244e50SGerd Hoffmann 1044c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1045039aa5dbSPeter Maydell 10460c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 10470c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 10480c244e50SGerd Hoffmann 10490c244e50SGerd Hoffmann /* read data */ 10500c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10510c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 10520c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 10530c244e50SGerd Hoffmann } 10540c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 10550c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10560c244e50SGerd Hoffmann 10570c244e50SGerd Hoffmann /* restore mapping */ 10580c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10590c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 10600c244e50SGerd Hoffmann res->iov[i].iov_base = 10618da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 10628da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 10633bb68f79SGerd Hoffmann 10640c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1065c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1066c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 10678da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 10688da132a5SGerd Hoffmann res->iov[i].iov_base, 1069a7f85e03SGerd Hoffmann len, 10708da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1071a7f85e03SGerd Hoffmann 0); 1072c84f0f25SPeter Maydell } 1073c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1074c84f0f25SPeter Maydell res->iov_cnt = i; 10753bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1076c84f0f25SPeter Maydell pixman_image_unref(res->image); 1077c84f0f25SPeter Maydell g_free(res); 10780c244e50SGerd Hoffmann return -EINVAL; 10790c244e50SGerd Hoffmann } 10800c244e50SGerd Hoffmann } 10810c244e50SGerd Hoffmann 10820c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1083039aa5dbSPeter Maydell g->hostmem += res->hostmem; 10840c244e50SGerd Hoffmann 10850c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10860c244e50SGerd Hoffmann } 10870c244e50SGerd Hoffmann 10880c244e50SGerd Hoffmann /* load & apply scanout state */ 10890c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 109050d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 109150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 10920c244e50SGerd Hoffmann if (!scanout->resource_id) { 10930c244e50SGerd Hoffmann continue; 10940c244e50SGerd Hoffmann } 10950c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 10960c244e50SGerd Hoffmann if (!res) { 10970c244e50SGerd Hoffmann return -EINVAL; 10980c244e50SGerd Hoffmann } 10990c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 11000c244e50SGerd Hoffmann if (!scanout->ds) { 11010c244e50SGerd Hoffmann return -EINVAL; 11020c244e50SGerd Hoffmann } 11030c244e50SGerd Hoffmann 11040c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 110591155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 110610750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 11070c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 110810750ee0SGerd Hoffmann } 11090c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 11100c244e50SGerd Hoffmann } 11110c244e50SGerd Hoffmann 11120c244e50SGerd Hoffmann return 0; 11130c244e50SGerd Hoffmann } 11140c244e50SGerd Hoffmann 111562232bf4SGerd Hoffmann static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 111662232bf4SGerd Hoffmann { 111762232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 111862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 11199d9e1521SGerd Hoffmann bool have_virgl; 112062232bf4SGerd Hoffmann 11219d9e1521SGerd Hoffmann #if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN) 11229d9e1521SGerd Hoffmann have_virgl = false; 11239d9e1521SGerd Hoffmann #else 11249d9e1521SGerd Hoffmann have_virgl = display_opengl; 11259d9e1521SGerd Hoffmann #endif 11269d9e1521SGerd Hoffmann if (!have_virgl) { 112750d8e25eSMarc-André Lureau g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED); 112850d8e25eSMarc-André Lureau } else { 112950d8e25eSMarc-André Lureau #if defined(CONFIG_VIRGL) 113050d8e25eSMarc-André Lureau VIRTIO_GPU_BASE(g)->virtio_config.num_capsets = 113150d8e25eSMarc-André Lureau virtio_gpu_virgl_get_num_capsets(g); 113250d8e25eSMarc-André Lureau #endif 11339d9e1521SGerd Hoffmann } 11349d9e1521SGerd Hoffmann 113550d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 113650d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 113750d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 113850d8e25eSMarc-André Lureau errp)) { 1139fe44dc91SAshijeet Acharya return; 1140fe44dc91SAshijeet Acharya } 1141fe44dc91SAshijeet Acharya 114250d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 114350d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 114462232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 114562232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 114662232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 11473eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 114862232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 114962232bf4SGerd Hoffmann } 115062232bf4SGerd Hoffmann 11510be00346SGerd Hoffmann static void virtio_gpu_reset(VirtIODevice *vdev) 115262232bf4SGerd Hoffmann { 115362232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 115462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1155dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 115662232bf4SGerd Hoffmann 115750d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 115850d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 115950d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 116050d8e25eSMarc-André Lureau } 116150d8e25eSMarc-André Lureau #endif 116262232bf4SGerd Hoffmann 116362232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 116462232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 116562232bf4SGerd Hoffmann } 11669d9e1521SGerd Hoffmann 1167dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1168dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1169dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1170dc84ed5bSGerd Hoffmann g_free(cmd); 1171dc84ed5bSGerd Hoffmann } 1172dc84ed5bSGerd Hoffmann 1173dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1174dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1175dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1176dc84ed5bSGerd Hoffmann g->inflight--; 1177dc84ed5bSGerd Hoffmann g_free(cmd); 1178dc84ed5bSGerd Hoffmann } 1179dc84ed5bSGerd Hoffmann 11809d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 118150d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 118250d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 11839032e3d7SGerd Hoffmann g->renderer_reset = true; 11849032e3d7SGerd Hoffmann } else { 11859d9e1521SGerd Hoffmann virtio_gpu_virgl_reset(g); 11869032e3d7SGerd Hoffmann } 118750d8e25eSMarc-André Lureau g->parent_obj.use_virgl_renderer = false; 11889d9e1521SGerd Hoffmann } 11899d9e1521SGerd Hoffmann #endif 119050d8e25eSMarc-André Lureau 119150d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 119250d8e25eSMarc-André Lureau } 119350d8e25eSMarc-André Lureau 119450d8e25eSMarc-André Lureau static void 119550d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 119650d8e25eSMarc-André Lureau { 119750d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 119850d8e25eSMarc-André Lureau 119950d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 120050d8e25eSMarc-André Lureau } 120150d8e25eSMarc-André Lureau 120250d8e25eSMarc-André Lureau static void 120350d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 120450d8e25eSMarc-André Lureau { 120550d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 120650d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 120750d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 120850d8e25eSMarc-André Lureau 120950d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 121050d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 121150d8e25eSMarc-André Lureau } 121262232bf4SGerd Hoffmann } 121362232bf4SGerd Hoffmann 12148a502efdSHalil Pasic /* 12158a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 12168a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 12178a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 12188a502efdSHalil Pasic * is saved/loaded after the core data. 12198a502efdSHalil Pasic * 12208a502efdSHalil Pasic * Because of this we need a special vmsd. 12218a502efdSHalil Pasic */ 12228a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 12238a502efdSHalil Pasic .name = "virtio-gpu", 12248a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 12258a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 12268a502efdSHalil Pasic .fields = (VMStateField[]) { 12278a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 12288a502efdSHalil Pasic { 12298a502efdSHalil Pasic .name = "virtio-gpu", 12308a502efdSHalil Pasic .info = &(const VMStateInfo) { 12318a502efdSHalil Pasic .name = "virtio-gpu", 12328a502efdSHalil Pasic .get = virtio_gpu_load, 12338a502efdSHalil Pasic .put = virtio_gpu_save, 12348a502efdSHalil Pasic }, 12358a502efdSHalil Pasic .flags = VMS_SINGLE, 12368a502efdSHalil Pasic } /* device */, 12378a502efdSHalil Pasic VMSTATE_END_OF_LIST() 12388a502efdSHalil Pasic }, 12398a502efdSHalil Pasic }; 12400fc07498SDr. David Alan Gilbert 124162232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 124250d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 124350d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 124450d8e25eSMarc-André Lureau 256 * MiB), 12459d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 124650d8e25eSMarc-André Lureau DEFINE_PROP_BIT("virgl", VirtIOGPU, parent_obj.conf.flags, 12479d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_VIRGL_ENABLED, true), 124850d8e25eSMarc-André Lureau DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags, 12499d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_STATS_ENABLED, false), 12509d9e1521SGerd Hoffmann #endif 125162232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 125262232bf4SGerd Hoffmann }; 125362232bf4SGerd Hoffmann 125462232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 125562232bf4SGerd Hoffmann { 125662232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 125762232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 125850d8e25eSMarc-André Lureau VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 125962232bf4SGerd Hoffmann 126050d8e25eSMarc-André Lureau vgc->gl_unblock = virtio_gpu_gl_unblock; 126162232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 126250d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 126362232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 126462232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 126562232bf4SGerd Hoffmann 12660fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 12674f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 126862232bf4SGerd Hoffmann } 126962232bf4SGerd Hoffmann 127062232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 127162232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 127250d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 127362232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 127462232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 127562232bf4SGerd Hoffmann }; 127662232bf4SGerd Hoffmann 127762232bf4SGerd Hoffmann static void virtio_register_types(void) 127862232bf4SGerd Hoffmann { 127962232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 128062232bf4SGerd Hoffmann } 128162232bf4SGerd Hoffmann 128262232bf4SGerd Hoffmann type_init(virtio_register_types) 1283