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" 2062232bf4SGerd Hoffmann #include "hw/virtio/virtio.h" 2162232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 22ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2383a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2462232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h" 251ed2cb32SGerd Hoffmann #include "hw/display/edid.h" 2603dd024fSPaolo Bonzini #include "qemu/log.h" 27*0b8fa32fSMarkus Armbruster #include "qemu/module.h" 285e3d741cSMarc-André Lureau #include "qapi/error.h" 2950d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3062232bf4SGerd Hoffmann 310c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 320c244e50SGerd Hoffmann 3362232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource* 3462232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); 3562232bf4SGerd Hoffmann 363bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 373bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 38b8e23926SLi Qiang 399d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 40a9c94277SMarkus Armbruster #include <virglrenderer.h> 419d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 429d9e1521SGerd Hoffmann do { \ 4350d8e25eSMarc-André Lureau if (_g->parent_obj.use_virgl_renderer) { \ 449d9e1521SGerd Hoffmann _virgl(__VA_ARGS__); \ 459d9e1521SGerd Hoffmann } else { \ 469d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 479d9e1521SGerd Hoffmann } \ 489d9e1521SGerd Hoffmann } while (0) 499d9e1521SGerd Hoffmann #else 509d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 519d9e1521SGerd Hoffmann do { \ 529d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 539d9e1521SGerd Hoffmann } while (0) 549d9e1521SGerd Hoffmann #endif 559d9e1521SGerd Hoffmann 5662232bf4SGerd Hoffmann static void update_cursor_data_simple(VirtIOGPU *g, 5762232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 5862232bf4SGerd Hoffmann uint32_t resource_id) 5962232bf4SGerd Hoffmann { 6062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 6162232bf4SGerd Hoffmann uint32_t pixels; 6262232bf4SGerd Hoffmann 6362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, resource_id); 6462232bf4SGerd Hoffmann if (!res) { 6562232bf4SGerd Hoffmann return; 6662232bf4SGerd Hoffmann } 6762232bf4SGerd Hoffmann 6862232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 6962232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 7062232bf4SGerd Hoffmann return; 7162232bf4SGerd Hoffmann } 7262232bf4SGerd Hoffmann 7362232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 7462232bf4SGerd Hoffmann memcpy(s->current_cursor->data, 7562232bf4SGerd Hoffmann pixman_image_get_data(res->image), 7662232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 7762232bf4SGerd Hoffmann } 7862232bf4SGerd Hoffmann 799d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 809d9e1521SGerd Hoffmann 819d9e1521SGerd Hoffmann static void update_cursor_data_virgl(VirtIOGPU *g, 829d9e1521SGerd Hoffmann struct virtio_gpu_scanout *s, 839d9e1521SGerd Hoffmann uint32_t resource_id) 849d9e1521SGerd Hoffmann { 859d9e1521SGerd Hoffmann uint32_t width, height; 869d9e1521SGerd Hoffmann uint32_t pixels, *data; 879d9e1521SGerd Hoffmann 889d9e1521SGerd Hoffmann data = virgl_renderer_get_cursor_data(resource_id, &width, &height); 899d9e1521SGerd Hoffmann if (!data) { 909d9e1521SGerd Hoffmann return; 919d9e1521SGerd Hoffmann } 929d9e1521SGerd Hoffmann 939d9e1521SGerd Hoffmann if (width != s->current_cursor->width || 949d9e1521SGerd Hoffmann height != s->current_cursor->height) { 952d1cd6c7SLi Qiang free(data); 969d9e1521SGerd Hoffmann return; 979d9e1521SGerd Hoffmann } 989d9e1521SGerd Hoffmann 999d9e1521SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 1009d9e1521SGerd Hoffmann memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t)); 1019d9e1521SGerd Hoffmann free(data); 1029d9e1521SGerd Hoffmann } 1039d9e1521SGerd Hoffmann 1049d9e1521SGerd Hoffmann #endif 1059d9e1521SGerd Hoffmann 10662232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 10762232bf4SGerd Hoffmann { 10862232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 1090c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 11062232bf4SGerd Hoffmann 11150d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 11262232bf4SGerd Hoffmann return; 11362232bf4SGerd Hoffmann } 11450d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 11562232bf4SGerd Hoffmann 116e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 117e9c1b459SGerd Hoffmann cursor->pos.x, 118e9c1b459SGerd Hoffmann cursor->pos.y, 119e9c1b459SGerd Hoffmann move ? "move" : "update", 120e9c1b459SGerd Hoffmann cursor->resource_id); 121e9c1b459SGerd Hoffmann 1220c244e50SGerd Hoffmann if (!move) { 12362232bf4SGerd Hoffmann if (!s->current_cursor) { 12462232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 12562232bf4SGerd Hoffmann } 12662232bf4SGerd Hoffmann 12762232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 12862232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 12962232bf4SGerd Hoffmann 13062232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 1319d9e1521SGerd Hoffmann VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple, 1329d9e1521SGerd Hoffmann g, s, cursor->resource_id); 13362232bf4SGerd Hoffmann } 13462232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1350c244e50SGerd Hoffmann 1360c244e50SGerd Hoffmann s->cursor = *cursor; 1370c244e50SGerd Hoffmann } else { 1380c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1390c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 14062232bf4SGerd Hoffmann } 14162232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 14262232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 14362232bf4SGerd Hoffmann } 14462232bf4SGerd Hoffmann 14562232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 14662232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 14762232bf4SGerd Hoffmann { 14862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 14962232bf4SGerd Hoffmann 15062232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 15162232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 15262232bf4SGerd Hoffmann return res; 15362232bf4SGerd Hoffmann } 15462232bf4SGerd Hoffmann } 15562232bf4SGerd Hoffmann return NULL; 15662232bf4SGerd Hoffmann } 15762232bf4SGerd Hoffmann 15862232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 15962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16162232bf4SGerd Hoffmann size_t resp_len) 16262232bf4SGerd Hoffmann { 16362232bf4SGerd Hoffmann size_t s; 16462232bf4SGerd Hoffmann 16562232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 16662232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 16762232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 16862232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 16962232bf4SGerd Hoffmann } 1701715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17162232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17262232bf4SGerd Hoffmann if (s != resp_len) { 17362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17462232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 17562232bf4SGerd Hoffmann __func__, s, resp_len); 17662232bf4SGerd Hoffmann } 17762232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 17862232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 17962232bf4SGerd Hoffmann cmd->finished = true; 18062232bf4SGerd Hoffmann } 18162232bf4SGerd Hoffmann 18262232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18462232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 18562232bf4SGerd Hoffmann { 18662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 18762232bf4SGerd Hoffmann 18862232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 18962232bf4SGerd Hoffmann resp.type = type; 19062232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19162232bf4SGerd Hoffmann } 19262232bf4SGerd Hoffmann 19362232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 19562232bf4SGerd Hoffmann { 19662232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 19762232bf4SGerd Hoffmann 19862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 19962232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20062232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20150d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20262232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20362232bf4SGerd Hoffmann sizeof(display_info)); 20462232bf4SGerd Hoffmann } 20562232bf4SGerd Hoffmann 2061ed2cb32SGerd Hoffmann static void 2071ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 2081ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 2091ed2cb32SGerd Hoffmann { 21050d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2111ed2cb32SGerd Hoffmann qemu_edid_info info = { 21250d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 21350d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 2141ed2cb32SGerd Hoffmann }; 2151ed2cb32SGerd Hoffmann 2161ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 2171ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 2181ed2cb32SGerd Hoffmann } 2191ed2cb32SGerd Hoffmann 2201ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2211ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2221ed2cb32SGerd Hoffmann { 2231ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2241ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 22550d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2261ed2cb32SGerd Hoffmann 2271ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2281ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2291ed2cb32SGerd Hoffmann 23050d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2311ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2321ed2cb32SGerd Hoffmann return; 2331ed2cb32SGerd Hoffmann } 2341ed2cb32SGerd Hoffmann 2351ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2361ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2371ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2381ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2391ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2401ed2cb32SGerd Hoffmann } 2411ed2cb32SGerd Hoffmann 242c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 243c53f5b89STao Wu uint32_t width, uint32_t height) 244c53f5b89STao Wu { 245c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 246c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 247c53f5b89STao Wu */ 248c53f5b89STao Wu 249c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 250c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 251c53f5b89STao Wu return height * stride; 252c53f5b89STao Wu } 253c53f5b89STao Wu 25462232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 25562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 25662232bf4SGerd Hoffmann { 25762232bf4SGerd Hoffmann pixman_format_code_t pformat; 25862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 25962232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26062232bf4SGerd Hoffmann 26162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2621715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 26462232bf4SGerd Hoffmann c2d.width, c2d.height); 26562232bf4SGerd Hoffmann 26662232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 26762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 26862232bf4SGerd Hoffmann __func__); 26962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27062232bf4SGerd Hoffmann return; 27162232bf4SGerd Hoffmann } 27262232bf4SGerd Hoffmann 27362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 27462232bf4SGerd Hoffmann if (res) { 27562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 27662232bf4SGerd Hoffmann __func__, c2d.resource_id); 27762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27862232bf4SGerd Hoffmann return; 27962232bf4SGerd Hoffmann } 28062232bf4SGerd Hoffmann 28162232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28262232bf4SGerd Hoffmann 28362232bf4SGerd Hoffmann res->width = c2d.width; 28462232bf4SGerd Hoffmann res->height = c2d.height; 28562232bf4SGerd Hoffmann res->format = c2d.format; 28662232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 28762232bf4SGerd Hoffmann 28883a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 28962232bf4SGerd Hoffmann if (!pformat) { 29062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29162232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29262232bf4SGerd Hoffmann __func__, c2d.format); 293cb3a0522SLi Qiang g_free(res); 29462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 29562232bf4SGerd Hoffmann return; 29662232bf4SGerd Hoffmann } 2979b7621bcSGerd Hoffmann 298c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 29950d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 30062232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 30162232bf4SGerd Hoffmann c2d.width, 30262232bf4SGerd Hoffmann c2d.height, 30362232bf4SGerd Hoffmann NULL, 0); 3049b7621bcSGerd Hoffmann } 30562232bf4SGerd Hoffmann 30662232bf4SGerd Hoffmann if (!res->image) { 30762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 30862232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 30962232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 31062232bf4SGerd Hoffmann g_free(res); 31162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 31262232bf4SGerd Hoffmann return; 31362232bf4SGerd Hoffmann } 31462232bf4SGerd Hoffmann 31562232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3169b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 31762232bf4SGerd Hoffmann } 31862232bf4SGerd Hoffmann 319da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 320da566a18SGerd Hoffmann { 32150d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 322da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 323da566a18SGerd Hoffmann DisplaySurface *ds = NULL; 324da566a18SGerd Hoffmann 325da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 326da566a18SGerd Hoffmann return; 327da566a18SGerd Hoffmann } 328da566a18SGerd Hoffmann 329da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 330da566a18SGerd Hoffmann if (res) { 331da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 332da566a18SGerd Hoffmann } 333da566a18SGerd Hoffmann 334da566a18SGerd Hoffmann if (scanout_id == 0) { 335da566a18SGerd Hoffmann /* primary head */ 336da566a18SGerd Hoffmann ds = qemu_create_message_surface(scanout->width ?: 640, 337da566a18SGerd Hoffmann scanout->height ?: 480, 338da566a18SGerd Hoffmann "Guest disabled display."); 339da566a18SGerd Hoffmann } 340da566a18SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, ds); 341da566a18SGerd Hoffmann scanout->resource_id = 0; 342da566a18SGerd Hoffmann scanout->ds = NULL; 343da566a18SGerd Hoffmann scanout->width = 0; 344da566a18SGerd Hoffmann scanout->height = 0; 345da566a18SGerd Hoffmann } 346da566a18SGerd Hoffmann 34762232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 34862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 34962232bf4SGerd Hoffmann { 3501fccd7c5SGerd Hoffmann int i; 3511fccd7c5SGerd Hoffmann 3521fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 35350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 3541fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 3551fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 3561fccd7c5SGerd Hoffmann } 3571fccd7c5SGerd Hoffmann } 3581fccd7c5SGerd Hoffmann } 3591fccd7c5SGerd Hoffmann 36062232bf4SGerd Hoffmann pixman_image_unref(res->image); 3613bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 36262232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 3639b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 36462232bf4SGerd Hoffmann g_free(res); 36562232bf4SGerd Hoffmann } 36662232bf4SGerd Hoffmann 36762232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 36862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 36962232bf4SGerd Hoffmann { 37062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 37162232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 37262232bf4SGerd Hoffmann 37362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 3741715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 37562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 37662232bf4SGerd Hoffmann 37762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 37862232bf4SGerd Hoffmann if (!res) { 37962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 38062232bf4SGerd Hoffmann __func__, unref.resource_id); 38162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 38262232bf4SGerd Hoffmann return; 38362232bf4SGerd Hoffmann } 38462232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 38562232bf4SGerd Hoffmann } 38662232bf4SGerd Hoffmann 38762232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 38862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 38962232bf4SGerd Hoffmann { 39062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 39162232bf4SGerd Hoffmann int h; 39262232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 39362232bf4SGerd Hoffmann int bpp; 39462232bf4SGerd Hoffmann pixman_format_code_t format; 39562232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 39662232bf4SGerd Hoffmann 39762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 3981715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 39962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 40062232bf4SGerd Hoffmann 40162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, t2d.resource_id); 40262232bf4SGerd Hoffmann if (!res || !res->iov) { 40362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 40462232bf4SGerd Hoffmann __func__, t2d.resource_id); 40562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 40662232bf4SGerd Hoffmann return; 40762232bf4SGerd Hoffmann } 40862232bf4SGerd Hoffmann 40962232bf4SGerd Hoffmann if (t2d.r.x > res->width || 41062232bf4SGerd Hoffmann t2d.r.y > res->height || 41162232bf4SGerd Hoffmann t2d.r.width > res->width || 41262232bf4SGerd Hoffmann t2d.r.height > res->height || 41362232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 41462232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 41562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 41662232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 41762232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 41862232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 41962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 42062232bf4SGerd Hoffmann return; 42162232bf4SGerd Hoffmann } 42262232bf4SGerd Hoffmann 42362232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 424e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 42562232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 42662232bf4SGerd Hoffmann 42762232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 42862232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 42962232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 43062232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 43162232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 43262232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 43362232bf4SGerd Hoffmann 43462232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 43562232bf4SGerd Hoffmann (uint8_t *)img_data 43662232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 43762232bf4SGerd Hoffmann } 43862232bf4SGerd Hoffmann } else { 43962232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 44062232bf4SGerd Hoffmann pixman_image_get_data(res->image), 44162232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 44262232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 44362232bf4SGerd Hoffmann } 44462232bf4SGerd Hoffmann } 44562232bf4SGerd Hoffmann 44662232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 44762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 44862232bf4SGerd Hoffmann { 44962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 45062232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 45162232bf4SGerd Hoffmann pixman_region16_t flush_region; 45262232bf4SGerd Hoffmann int i; 45362232bf4SGerd Hoffmann 45462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 4551715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 45662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 45762232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 45862232bf4SGerd Hoffmann 45962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, rf.resource_id); 46062232bf4SGerd Hoffmann if (!res) { 46162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 46262232bf4SGerd Hoffmann __func__, rf.resource_id); 46362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 46462232bf4SGerd Hoffmann return; 46562232bf4SGerd Hoffmann } 46662232bf4SGerd Hoffmann 46762232bf4SGerd Hoffmann if (rf.r.x > res->width || 46862232bf4SGerd Hoffmann rf.r.y > res->height || 46962232bf4SGerd Hoffmann rf.r.width > res->width || 47062232bf4SGerd Hoffmann rf.r.height > res->height || 47162232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 47262232bf4SGerd Hoffmann rf.r.y + rf.r.height > res->height) { 47362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 47462232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47562232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 47662232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 47762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 47862232bf4SGerd Hoffmann return; 47962232bf4SGerd Hoffmann } 48062232bf4SGerd Hoffmann 48162232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 48262232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 48350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 48462232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 48562232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 48662232bf4SGerd Hoffmann pixman_box16_t *extents; 48762232bf4SGerd Hoffmann 48862232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 48962232bf4SGerd Hoffmann continue; 49062232bf4SGerd Hoffmann } 49150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 49262232bf4SGerd Hoffmann 49362232bf4SGerd Hoffmann pixman_region_init(&finalregion); 49462232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 49562232bf4SGerd Hoffmann scanout->width, scanout->height); 49662232bf4SGerd Hoffmann 49762232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 49862232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 49962232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 50062232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 50150d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 50262232bf4SGerd Hoffmann extents->x1, extents->y1, 50362232bf4SGerd Hoffmann extents->x2 - extents->x1, 50462232bf4SGerd Hoffmann extents->y2 - extents->y1); 50562232bf4SGerd Hoffmann 50662232bf4SGerd Hoffmann pixman_region_fini(®ion); 50762232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 50862232bf4SGerd Hoffmann } 50962232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 51062232bf4SGerd Hoffmann } 51162232bf4SGerd Hoffmann 512fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 513fa06e5cbSGerd Hoffmann { 514fa06e5cbSGerd Hoffmann pixman_image_unref(data); 515fa06e5cbSGerd Hoffmann } 516fa06e5cbSGerd Hoffmann 51762232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 51862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 51962232bf4SGerd Hoffmann { 520c806cfa0SGerd Hoffmann struct virtio_gpu_simple_resource *res, *ores; 52162232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 52262232bf4SGerd Hoffmann pixman_format_code_t format; 52362232bf4SGerd Hoffmann uint32_t offset; 52462232bf4SGerd Hoffmann int bpp; 52562232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 52662232bf4SGerd Hoffmann 52762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 5281715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 52962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 53062232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 53162232bf4SGerd Hoffmann 53250d8e25eSMarc-André Lureau if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 533fe89fdebSMarc-André Lureau qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 534fe89fdebSMarc-André Lureau __func__, ss.scanout_id); 535fe89fdebSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 536fe89fdebSMarc-André Lureau return; 537fe89fdebSMarc-André Lureau } 538fe89fdebSMarc-André Lureau 53950d8e25eSMarc-André Lureau g->parent_obj.enable = 1; 54062232bf4SGerd Hoffmann if (ss.resource_id == 0) { 541da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 54262232bf4SGerd Hoffmann return; 54362232bf4SGerd Hoffmann } 54462232bf4SGerd Hoffmann 54562232bf4SGerd Hoffmann /* create a surface for this scanout */ 54662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ss.resource_id); 54762232bf4SGerd Hoffmann if (!res) { 54862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 54962232bf4SGerd Hoffmann __func__, ss.resource_id); 55062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 55162232bf4SGerd Hoffmann return; 55262232bf4SGerd Hoffmann } 55362232bf4SGerd Hoffmann 55462232bf4SGerd Hoffmann if (ss.r.x > res->width || 55562232bf4SGerd Hoffmann ss.r.y > res->height || 556da35f7f1SGerd Hoffmann ss.r.width < 16 || 557da35f7f1SGerd Hoffmann ss.r.height < 16 || 55862232bf4SGerd Hoffmann ss.r.width > res->width || 55962232bf4SGerd Hoffmann ss.r.height > res->height || 56062232bf4SGerd Hoffmann ss.r.x + ss.r.width > res->width || 56162232bf4SGerd Hoffmann ss.r.y + ss.r.height > res->height) { 56262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 56362232bf4SGerd Hoffmann " resource %d, (%d,%d)+%d,%d vs %d %d\n", 56462232bf4SGerd Hoffmann __func__, ss.scanout_id, ss.resource_id, ss.r.x, ss.r.y, 56562232bf4SGerd Hoffmann ss.r.width, ss.r.height, res->width, res->height); 56662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 56762232bf4SGerd Hoffmann return; 56862232bf4SGerd Hoffmann } 56962232bf4SGerd Hoffmann 57050d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[ss.scanout_id]; 57162232bf4SGerd Hoffmann 57262232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 573e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 57462232bf4SGerd Hoffmann offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image); 57562232bf4SGerd Hoffmann if (!scanout->ds || surface_data(scanout->ds) 57662232bf4SGerd Hoffmann != ((uint8_t *)pixman_image_get_data(res->image) + offset) || 57762232bf4SGerd Hoffmann scanout->width != ss.r.width || 57862232bf4SGerd Hoffmann scanout->height != ss.r.height) { 579fa06e5cbSGerd Hoffmann pixman_image_t *rect; 580fa06e5cbSGerd Hoffmann void *ptr = (uint8_t *)pixman_image_get_data(res->image) + offset; 581fa06e5cbSGerd Hoffmann rect = pixman_image_create_bits(format, ss.r.width, ss.r.height, ptr, 582fa06e5cbSGerd Hoffmann pixman_image_get_stride(res->image)); 583fa06e5cbSGerd Hoffmann pixman_image_ref(res->image); 584fa06e5cbSGerd Hoffmann pixman_image_set_destroy_function(rect, virtio_unref_resource, 585fa06e5cbSGerd Hoffmann res->image); 58662232bf4SGerd Hoffmann /* realloc the surface ptr */ 587fa06e5cbSGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(rect); 58862232bf4SGerd Hoffmann if (!scanout->ds) { 58962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 59062232bf4SGerd Hoffmann return; 59162232bf4SGerd Hoffmann } 592dd248ed7SLi Qiang pixman_image_unref(rect); 59350d8e25eSMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[ss.scanout_id].con, 59450d8e25eSMarc-André Lureau scanout->ds); 59562232bf4SGerd Hoffmann } 59662232bf4SGerd Hoffmann 597c806cfa0SGerd Hoffmann ores = virtio_gpu_find_resource(g, scanout->resource_id); 598c806cfa0SGerd Hoffmann if (ores) { 599c806cfa0SGerd Hoffmann ores->scanout_bitmask &= ~(1 << ss.scanout_id); 600c806cfa0SGerd Hoffmann } 601c806cfa0SGerd Hoffmann 60262232bf4SGerd Hoffmann res->scanout_bitmask |= (1 << ss.scanout_id); 60362232bf4SGerd Hoffmann scanout->resource_id = ss.resource_id; 60462232bf4SGerd Hoffmann scanout->x = ss.r.x; 60562232bf4SGerd Hoffmann scanout->y = ss.r.y; 60662232bf4SGerd Hoffmann scanout->width = ss.r.width; 60762232bf4SGerd Hoffmann scanout->height = ss.r.height; 60862232bf4SGerd Hoffmann } 60962232bf4SGerd Hoffmann 6103bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 6113bb68f79SGerd Hoffmann struct virtio_gpu_resource_attach_backing *ab, 61262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 6130c244e50SGerd Hoffmann uint64_t **addr, struct iovec **iov) 61462232bf4SGerd Hoffmann { 61562232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 61662232bf4SGerd Hoffmann size_t esize, s; 61762232bf4SGerd Hoffmann int i; 61862232bf4SGerd Hoffmann 61962232bf4SGerd Hoffmann if (ab->nr_entries > 16384) { 62062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 6212c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 62262232bf4SGerd Hoffmann __func__, ab->nr_entries); 62362232bf4SGerd Hoffmann return -1; 62462232bf4SGerd Hoffmann } 62562232bf4SGerd Hoffmann 62662232bf4SGerd Hoffmann esize = sizeof(*ents) * ab->nr_entries; 62762232bf4SGerd Hoffmann ents = g_malloc(esize); 62862232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 62962232bf4SGerd Hoffmann sizeof(*ab), ents, esize); 63062232bf4SGerd Hoffmann if (s != esize) { 63162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 63262232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 63362232bf4SGerd Hoffmann __func__, s, esize); 63462232bf4SGerd Hoffmann g_free(ents); 63562232bf4SGerd Hoffmann return -1; 63662232bf4SGerd Hoffmann } 63762232bf4SGerd Hoffmann 63862232bf4SGerd Hoffmann *iov = g_malloc0(sizeof(struct iovec) * ab->nr_entries); 6390c244e50SGerd Hoffmann if (addr) { 6400c244e50SGerd Hoffmann *addr = g_malloc0(sizeof(uint64_t) * ab->nr_entries); 6410c244e50SGerd Hoffmann } 64262232bf4SGerd Hoffmann for (i = 0; i < ab->nr_entries; i++) { 6431715d6b5SFarhan Ali uint64_t a = le64_to_cpu(ents[i].addr); 6441715d6b5SFarhan Ali uint32_t l = le32_to_cpu(ents[i].length); 6451715d6b5SFarhan Ali hwaddr len = l; 6461715d6b5SFarhan Ali (*iov)[i].iov_len = l; 6478da132a5SGerd Hoffmann (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 6488da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 6490c244e50SGerd Hoffmann if (addr) { 6501715d6b5SFarhan Ali (*addr)[i] = a; 6510c244e50SGerd Hoffmann } 6521715d6b5SFarhan Ali if (!(*iov)[i].iov_base || len != l) { 65362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 65462232bf4SGerd Hoffmann " resource %d element %d\n", 65562232bf4SGerd Hoffmann __func__, ab->resource_id, i); 6563bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, i); 65762232bf4SGerd Hoffmann g_free(ents); 65862232bf4SGerd Hoffmann *iov = NULL; 6590c244e50SGerd Hoffmann if (addr) { 6600c244e50SGerd Hoffmann g_free(*addr); 6610c244e50SGerd Hoffmann *addr = NULL; 6620c244e50SGerd Hoffmann } 66362232bf4SGerd Hoffmann return -1; 66462232bf4SGerd Hoffmann } 66562232bf4SGerd Hoffmann } 66662232bf4SGerd Hoffmann g_free(ents); 66762232bf4SGerd Hoffmann return 0; 66862232bf4SGerd Hoffmann } 66962232bf4SGerd Hoffmann 6703bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 6713bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 67262232bf4SGerd Hoffmann { 67362232bf4SGerd Hoffmann int i; 67462232bf4SGerd Hoffmann 67562232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 6768da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 6778da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 6788da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 67962232bf4SGerd Hoffmann iov[i].iov_len); 68062232bf4SGerd Hoffmann } 6817f3be0f2SGerd Hoffmann g_free(iov); 68262232bf4SGerd Hoffmann } 68362232bf4SGerd Hoffmann 6843bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 6853bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 68662232bf4SGerd Hoffmann { 6873bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 68862232bf4SGerd Hoffmann res->iov = NULL; 68962232bf4SGerd Hoffmann res->iov_cnt = 0; 6900c244e50SGerd Hoffmann g_free(res->addrs); 6910c244e50SGerd Hoffmann res->addrs = NULL; 69262232bf4SGerd Hoffmann } 69362232bf4SGerd Hoffmann 69462232bf4SGerd Hoffmann static void 69562232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 69662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 69762232bf4SGerd Hoffmann { 69862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 69962232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 70062232bf4SGerd Hoffmann int ret; 70162232bf4SGerd Hoffmann 70262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 7031715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 70462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 70562232bf4SGerd Hoffmann 70662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 70762232bf4SGerd Hoffmann if (!res) { 70862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 70962232bf4SGerd Hoffmann __func__, ab.resource_id); 71062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 71162232bf4SGerd Hoffmann return; 71262232bf4SGerd Hoffmann } 71362232bf4SGerd Hoffmann 714204f01b3SLi Qiang if (res->iov) { 715204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 716204f01b3SLi Qiang return; 717204f01b3SLi Qiang } 718204f01b3SLi Qiang 7193bb68f79SGerd Hoffmann ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov); 72062232bf4SGerd Hoffmann if (ret != 0) { 72162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 72262232bf4SGerd Hoffmann return; 72362232bf4SGerd Hoffmann } 72462232bf4SGerd Hoffmann 72562232bf4SGerd Hoffmann res->iov_cnt = ab.nr_entries; 72662232bf4SGerd Hoffmann } 72762232bf4SGerd Hoffmann 72862232bf4SGerd Hoffmann static void 72962232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 73062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 73162232bf4SGerd Hoffmann { 73262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 73362232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 73462232bf4SGerd Hoffmann 73562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 7361715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 73762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 73862232bf4SGerd Hoffmann 73962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, detach.resource_id); 74062232bf4SGerd Hoffmann if (!res || !res->iov) { 74162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 74262232bf4SGerd Hoffmann __func__, detach.resource_id); 74362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 74462232bf4SGerd Hoffmann return; 74562232bf4SGerd Hoffmann } 7463bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 74762232bf4SGerd Hoffmann } 74862232bf4SGerd Hoffmann 74962232bf4SGerd Hoffmann static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 75062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 75162232bf4SGerd Hoffmann { 75262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 7531715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 75462232bf4SGerd Hoffmann 75562232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 75662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 75762232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 75862232bf4SGerd Hoffmann break; 7591ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 7601ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 7611ed2cb32SGerd Hoffmann break; 76262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 76362232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 76462232bf4SGerd Hoffmann break; 76562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 76662232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 76762232bf4SGerd Hoffmann break; 76862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 76962232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 77062232bf4SGerd Hoffmann break; 77162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 77262232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 77362232bf4SGerd Hoffmann break; 77462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 77562232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 77662232bf4SGerd Hoffmann break; 77762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 77862232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 77962232bf4SGerd Hoffmann break; 78062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 78162232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 78262232bf4SGerd Hoffmann break; 78362232bf4SGerd Hoffmann default: 78462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 78562232bf4SGerd Hoffmann break; 78662232bf4SGerd Hoffmann } 78762232bf4SGerd Hoffmann if (!cmd->finished) { 78862232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 78962232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 79062232bf4SGerd Hoffmann } 79162232bf4SGerd Hoffmann } 79262232bf4SGerd Hoffmann 79362232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 79462232bf4SGerd Hoffmann { 79562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 79662232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 79762232bf4SGerd Hoffmann } 79862232bf4SGerd Hoffmann 79962232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 80062232bf4SGerd Hoffmann { 80162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 80262232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 80362232bf4SGerd Hoffmann } 80462232bf4SGerd Hoffmann 8050c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 8063eb769fdSGerd Hoffmann { 8073eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 8083eb769fdSGerd Hoffmann 8093eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 8103eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 8113eb769fdSGerd Hoffmann 81250d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 8130c55a1cfSGerd Hoffmann break; 8140c55a1cfSGerd Hoffmann } 815ad341aacSMarc-André Lureau 816ad341aacSMarc-André Lureau /* process command */ 817ad341aacSMarc-André Lureau VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd, 818ad341aacSMarc-André Lureau g, cmd); 819ad341aacSMarc-André Lureau 8203eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 82150d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8223eb769fdSGerd Hoffmann g->stats.requests++; 8233eb769fdSGerd Hoffmann } 8243eb769fdSGerd Hoffmann 8253eb769fdSGerd Hoffmann if (!cmd->finished) { 8263eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 8273eb769fdSGerd Hoffmann g->inflight++; 82850d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8293eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 8303eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 8313eb769fdSGerd Hoffmann } 8323eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 8333eb769fdSGerd Hoffmann } 8343eb769fdSGerd Hoffmann } else { 8353eb769fdSGerd Hoffmann g_free(cmd); 8363eb769fdSGerd Hoffmann } 8373eb769fdSGerd Hoffmann } 8383eb769fdSGerd Hoffmann } 8393eb769fdSGerd Hoffmann 84050d8e25eSMarc-André Lureau static void virtio_gpu_gl_unblock(VirtIOGPUBase *b) 84150d8e25eSMarc-André Lureau { 84250d8e25eSMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(b); 84350d8e25eSMarc-André Lureau 84450d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 84550d8e25eSMarc-André Lureau if (g->renderer_reset) { 84650d8e25eSMarc-André Lureau g->renderer_reset = false; 84750d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 84850d8e25eSMarc-André Lureau } 84950d8e25eSMarc-André Lureau #endif 85050d8e25eSMarc-André Lureau virtio_gpu_process_cmdq(g); 85150d8e25eSMarc-André Lureau } 85250d8e25eSMarc-André Lureau 85362232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 85462232bf4SGerd Hoffmann { 85562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 85662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 85762232bf4SGerd Hoffmann 85862232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 85962232bf4SGerd Hoffmann return; 86062232bf4SGerd Hoffmann } 86162232bf4SGerd Hoffmann 8629d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 86350d8e25eSMarc-André Lureau if (!g->renderer_inited && g->parent_obj.use_virgl_renderer) { 8649d9e1521SGerd Hoffmann virtio_gpu_virgl_init(g); 8659d9e1521SGerd Hoffmann g->renderer_inited = true; 8669d9e1521SGerd Hoffmann } 8679d9e1521SGerd Hoffmann #endif 8689d9e1521SGerd Hoffmann 86951b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 87051b19ebeSPaolo Bonzini while (cmd) { 87162232bf4SGerd Hoffmann cmd->vq = vq; 87262232bf4SGerd Hoffmann cmd->error = 0; 87362232bf4SGerd Hoffmann cmd->finished = false; 8743eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 87551b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 87662232bf4SGerd Hoffmann } 8779d9e1521SGerd Hoffmann 8783eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 8793eb769fdSGerd Hoffmann 8809d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 88150d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 8829d9e1521SGerd Hoffmann virtio_gpu_virgl_fence_poll(g); 8839d9e1521SGerd Hoffmann } 8849d9e1521SGerd Hoffmann #endif 88562232bf4SGerd Hoffmann } 88662232bf4SGerd Hoffmann 88762232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 88862232bf4SGerd Hoffmann { 88962232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 89050d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 89162232bf4SGerd Hoffmann } 89262232bf4SGerd Hoffmann 89362232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 89462232bf4SGerd Hoffmann { 89562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 89651b19ebeSPaolo Bonzini VirtQueueElement *elem; 89762232bf4SGerd Hoffmann size_t s; 89862232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 89962232bf4SGerd Hoffmann 90062232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 90162232bf4SGerd Hoffmann return; 90262232bf4SGerd Hoffmann } 90351b19ebeSPaolo Bonzini for (;;) { 90451b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 90551b19ebeSPaolo Bonzini if (!elem) { 90651b19ebeSPaolo Bonzini break; 90751b19ebeSPaolo Bonzini } 90851b19ebeSPaolo Bonzini 90951b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 91062232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 91162232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 91262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 91362232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 91462232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 91562232bf4SGerd Hoffmann } else { 9161715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 91762232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 91862232bf4SGerd Hoffmann } 91951b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 92062232bf4SGerd Hoffmann virtio_notify(vdev, vq); 92151b19ebeSPaolo Bonzini g_free(elem); 92262232bf4SGerd Hoffmann } 92362232bf4SGerd Hoffmann } 92462232bf4SGerd Hoffmann 92562232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 92662232bf4SGerd Hoffmann { 92762232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 92850d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 92962232bf4SGerd Hoffmann } 93062232bf4SGerd Hoffmann 9310c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 9320c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 9330c244e50SGerd Hoffmann .version_id = 1, 9340c244e50SGerd Hoffmann .fields = (VMStateField[]) { 9350c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 9360c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 9370c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 9380c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 9390c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 9400c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 9410c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 9420c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 9430c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 9440c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 9450c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9460c244e50SGerd Hoffmann }, 9470c244e50SGerd Hoffmann }; 9480c244e50SGerd Hoffmann 9490c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 9500c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 9510c244e50SGerd Hoffmann .version_id = 1, 9520c244e50SGerd Hoffmann .fields = (VMStateField[]) { 95350d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 95450d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 95550d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 95650d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 95750d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 9580c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 9590c244e50SGerd Hoffmann struct virtio_gpu_scanout), 9600c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9610c244e50SGerd Hoffmann }, 9620c244e50SGerd Hoffmann }; 9630c244e50SGerd Hoffmann 9642c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 96503fee66fSMarc-André Lureau const VMStateField *field, QJSON *vmdesc) 9660c244e50SGerd Hoffmann { 9670c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9680c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9690c244e50SGerd Hoffmann int i; 9700c244e50SGerd Hoffmann 9710c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 9720c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 9730c244e50SGerd Hoffmann 9740c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 9750c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 9760c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 9770c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 9780c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 9790c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 9800c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 9810c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 9820c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 9830c244e50SGerd Hoffmann } 9840c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 9850c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 9860c244e50SGerd Hoffmann } 9870c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 9880c244e50SGerd Hoffmann 9892f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 9900c244e50SGerd Hoffmann } 9910c244e50SGerd Hoffmann 9922c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 99303fee66fSMarc-André Lureau const VMStateField *field) 9940c244e50SGerd Hoffmann { 9950c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9960c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9970c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 9980c244e50SGerd Hoffmann uint32_t resource_id, pformat; 9998a502efdSHalil Pasic int i; 10000c244e50SGerd Hoffmann 1001039aa5dbSPeter Maydell g->hostmem = 0; 1002039aa5dbSPeter Maydell 10030c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10040c244e50SGerd Hoffmann while (resource_id != 0) { 10050c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 10060c244e50SGerd Hoffmann res->resource_id = resource_id; 10070c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 10080c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 10090c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 10100c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 10110c244e50SGerd Hoffmann 10120c244e50SGerd Hoffmann /* allocate */ 101383a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 10140c244e50SGerd Hoffmann if (!pformat) { 1015c84f0f25SPeter Maydell g_free(res); 10160c244e50SGerd Hoffmann return -EINVAL; 10170c244e50SGerd Hoffmann } 10180c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 10190c244e50SGerd Hoffmann res->width, res->height, 10200c244e50SGerd Hoffmann NULL, 0); 10210c244e50SGerd Hoffmann if (!res->image) { 1022c84f0f25SPeter Maydell g_free(res); 10230c244e50SGerd Hoffmann return -EINVAL; 10240c244e50SGerd Hoffmann } 10250c244e50SGerd Hoffmann 1026c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1027039aa5dbSPeter Maydell 10280c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 10290c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 10300c244e50SGerd Hoffmann 10310c244e50SGerd Hoffmann /* read data */ 10320c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10330c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 10340c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 10350c244e50SGerd Hoffmann } 10360c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 10370c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10380c244e50SGerd Hoffmann 10390c244e50SGerd Hoffmann /* restore mapping */ 10400c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10410c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 10420c244e50SGerd Hoffmann res->iov[i].iov_base = 10438da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 10448da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 10453bb68f79SGerd Hoffmann 10460c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1047c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1048c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 10498da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 10508da132a5SGerd Hoffmann res->iov[i].iov_base, 10518da132a5SGerd Hoffmann res->iov[i].iov_len, 10528da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 10538da132a5SGerd Hoffmann res->iov[i].iov_len); 1054c84f0f25SPeter Maydell } 1055c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1056c84f0f25SPeter Maydell res->iov_cnt = i; 10573bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1058c84f0f25SPeter Maydell pixman_image_unref(res->image); 1059c84f0f25SPeter Maydell g_free(res); 10600c244e50SGerd Hoffmann return -EINVAL; 10610c244e50SGerd Hoffmann } 10620c244e50SGerd Hoffmann } 10630c244e50SGerd Hoffmann 10640c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1065039aa5dbSPeter Maydell g->hostmem += res->hostmem; 10660c244e50SGerd Hoffmann 10670c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10680c244e50SGerd Hoffmann } 10690c244e50SGerd Hoffmann 10700c244e50SGerd Hoffmann /* load & apply scanout state */ 10710c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 107250d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 107350d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 10740c244e50SGerd Hoffmann if (!scanout->resource_id) { 10750c244e50SGerd Hoffmann continue; 10760c244e50SGerd Hoffmann } 10770c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 10780c244e50SGerd Hoffmann if (!res) { 10790c244e50SGerd Hoffmann return -EINVAL; 10800c244e50SGerd Hoffmann } 10810c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 10820c244e50SGerd Hoffmann if (!scanout->ds) { 10830c244e50SGerd Hoffmann return -EINVAL; 10840c244e50SGerd Hoffmann } 10850c244e50SGerd Hoffmann 10860c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 108791155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 108810750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 10890c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 109010750ee0SGerd Hoffmann } 10910c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 10920c244e50SGerd Hoffmann } 10930c244e50SGerd Hoffmann 10940c244e50SGerd Hoffmann return 0; 10950c244e50SGerd Hoffmann } 10960c244e50SGerd Hoffmann 109762232bf4SGerd Hoffmann static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 109862232bf4SGerd Hoffmann { 109962232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 110062232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 11019d9e1521SGerd Hoffmann bool have_virgl; 110262232bf4SGerd Hoffmann 11039d9e1521SGerd Hoffmann #if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN) 11049d9e1521SGerd Hoffmann have_virgl = false; 11059d9e1521SGerd Hoffmann #else 11069d9e1521SGerd Hoffmann have_virgl = display_opengl; 11079d9e1521SGerd Hoffmann #endif 11089d9e1521SGerd Hoffmann if (!have_virgl) { 110950d8e25eSMarc-André Lureau g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED); 111050d8e25eSMarc-André Lureau } else { 111150d8e25eSMarc-André Lureau #if defined(CONFIG_VIRGL) 111250d8e25eSMarc-André Lureau VIRTIO_GPU_BASE(g)->virtio_config.num_capsets = 111350d8e25eSMarc-André Lureau virtio_gpu_virgl_get_num_capsets(g); 111450d8e25eSMarc-André Lureau #endif 11159d9e1521SGerd Hoffmann } 11169d9e1521SGerd Hoffmann 111750d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 111850d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 111950d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 112050d8e25eSMarc-André Lureau errp)) { 1121fe44dc91SAshijeet Acharya return; 1122fe44dc91SAshijeet Acharya } 1123fe44dc91SAshijeet Acharya 112450d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 112550d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 112662232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 112762232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 112862232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 11293eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 113062232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 113162232bf4SGerd Hoffmann } 113262232bf4SGerd Hoffmann 11330be00346SGerd Hoffmann static void virtio_gpu_reset(VirtIODevice *vdev) 113462232bf4SGerd Hoffmann { 113562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 113662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1137dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 113862232bf4SGerd Hoffmann 113950d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 114050d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 114150d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 114250d8e25eSMarc-André Lureau } 114350d8e25eSMarc-André Lureau #endif 114462232bf4SGerd Hoffmann 114562232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 114662232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 114762232bf4SGerd Hoffmann } 11489d9e1521SGerd Hoffmann 1149dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1150dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1151dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1152dc84ed5bSGerd Hoffmann g_free(cmd); 1153dc84ed5bSGerd Hoffmann } 1154dc84ed5bSGerd Hoffmann 1155dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1156dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1157dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1158dc84ed5bSGerd Hoffmann g->inflight--; 1159dc84ed5bSGerd Hoffmann g_free(cmd); 1160dc84ed5bSGerd Hoffmann } 1161dc84ed5bSGerd Hoffmann 11629d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 116350d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 116450d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 11659032e3d7SGerd Hoffmann g->renderer_reset = true; 11669032e3d7SGerd Hoffmann } else { 11679d9e1521SGerd Hoffmann virtio_gpu_virgl_reset(g); 11689032e3d7SGerd Hoffmann } 116950d8e25eSMarc-André Lureau g->parent_obj.use_virgl_renderer = false; 11709d9e1521SGerd Hoffmann } 11719d9e1521SGerd Hoffmann #endif 117250d8e25eSMarc-André Lureau 117350d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 117450d8e25eSMarc-André Lureau } 117550d8e25eSMarc-André Lureau 117650d8e25eSMarc-André Lureau static void 117750d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 117850d8e25eSMarc-André Lureau { 117950d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 118050d8e25eSMarc-André Lureau 118150d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 118250d8e25eSMarc-André Lureau } 118350d8e25eSMarc-André Lureau 118450d8e25eSMarc-André Lureau static void 118550d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 118650d8e25eSMarc-André Lureau { 118750d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 118850d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 118950d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 119050d8e25eSMarc-André Lureau 119150d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 119250d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 119350d8e25eSMarc-André Lureau } 119462232bf4SGerd Hoffmann } 119562232bf4SGerd Hoffmann 11968a502efdSHalil Pasic /* 11978a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 11988a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 11998a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 12008a502efdSHalil Pasic * is saved/loaded after the core data. 12018a502efdSHalil Pasic * 12028a502efdSHalil Pasic * Because of this we need a special vmsd. 12038a502efdSHalil Pasic */ 12048a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 12058a502efdSHalil Pasic .name = "virtio-gpu", 12068a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 12078a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 12088a502efdSHalil Pasic .fields = (VMStateField[]) { 12098a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 12108a502efdSHalil Pasic { 12118a502efdSHalil Pasic .name = "virtio-gpu", 12128a502efdSHalil Pasic .info = &(const VMStateInfo) { 12138a502efdSHalil Pasic .name = "virtio-gpu", 12148a502efdSHalil Pasic .get = virtio_gpu_load, 12158a502efdSHalil Pasic .put = virtio_gpu_save, 12168a502efdSHalil Pasic }, 12178a502efdSHalil Pasic .flags = VMS_SINGLE, 12188a502efdSHalil Pasic } /* device */, 12198a502efdSHalil Pasic VMSTATE_END_OF_LIST() 12208a502efdSHalil Pasic }, 12218a502efdSHalil Pasic }; 12220fc07498SDr. David Alan Gilbert 122362232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 122450d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 122550d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 122650d8e25eSMarc-André Lureau 256 * MiB), 12279d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 122850d8e25eSMarc-André Lureau DEFINE_PROP_BIT("virgl", VirtIOGPU, parent_obj.conf.flags, 12299d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_VIRGL_ENABLED, true), 123050d8e25eSMarc-André Lureau DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags, 12319d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_STATS_ENABLED, false), 12329d9e1521SGerd Hoffmann #endif 123362232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 123462232bf4SGerd Hoffmann }; 123562232bf4SGerd Hoffmann 123662232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 123762232bf4SGerd Hoffmann { 123862232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 123962232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 124050d8e25eSMarc-André Lureau VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 124162232bf4SGerd Hoffmann 124250d8e25eSMarc-André Lureau vgc->gl_unblock = virtio_gpu_gl_unblock; 124362232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 124450d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 124562232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 124662232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 124762232bf4SGerd Hoffmann 12480fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 124950d8e25eSMarc-André Lureau dc->props = virtio_gpu_properties; 125062232bf4SGerd Hoffmann } 125162232bf4SGerd Hoffmann 125262232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 125362232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 125450d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 125562232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 125662232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 125762232bf4SGerd Hoffmann }; 125862232bf4SGerd Hoffmann 125962232bf4SGerd Hoffmann static void virtio_register_types(void) 126062232bf4SGerd Hoffmann { 126162232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 126262232bf4SGerd Hoffmann } 126362232bf4SGerd Hoffmann 126462232bf4SGerd Hoffmann type_init(virtio_register_types) 1265