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" 21ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h" 2262232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 23ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2483a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2562232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h" 261ed2cb32SGerd Hoffmann #include "hw/display/edid.h" 27*a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 2803dd024fSPaolo Bonzini #include "qemu/log.h" 290b8fa32fSMarkus Armbruster #include "qemu/module.h" 305e3d741cSMarc-André Lureau #include "qapi/error.h" 3150d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3262232bf4SGerd Hoffmann 330c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 340c244e50SGerd Hoffmann 3562232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource* 3662232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); 3762232bf4SGerd Hoffmann 383bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 393bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 40b8e23926SLi Qiang 419d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 42a9c94277SMarkus Armbruster #include <virglrenderer.h> 439d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 449d9e1521SGerd Hoffmann do { \ 4550d8e25eSMarc-André Lureau if (_g->parent_obj.use_virgl_renderer) { \ 469d9e1521SGerd Hoffmann _virgl(__VA_ARGS__); \ 479d9e1521SGerd Hoffmann } else { \ 489d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 499d9e1521SGerd Hoffmann } \ 509d9e1521SGerd Hoffmann } while (0) 519d9e1521SGerd Hoffmann #else 529d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 539d9e1521SGerd Hoffmann do { \ 549d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 559d9e1521SGerd Hoffmann } while (0) 569d9e1521SGerd Hoffmann #endif 579d9e1521SGerd Hoffmann 5862232bf4SGerd Hoffmann static void update_cursor_data_simple(VirtIOGPU *g, 5962232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 6062232bf4SGerd Hoffmann uint32_t resource_id) 6162232bf4SGerd Hoffmann { 6262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 6362232bf4SGerd Hoffmann uint32_t pixels; 6462232bf4SGerd Hoffmann 6562232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, resource_id); 6662232bf4SGerd Hoffmann if (!res) { 6762232bf4SGerd Hoffmann return; 6862232bf4SGerd Hoffmann } 6962232bf4SGerd Hoffmann 7062232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 7162232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 7262232bf4SGerd Hoffmann return; 7362232bf4SGerd Hoffmann } 7462232bf4SGerd Hoffmann 7562232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 7662232bf4SGerd Hoffmann memcpy(s->current_cursor->data, 7762232bf4SGerd Hoffmann pixman_image_get_data(res->image), 7862232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 7962232bf4SGerd Hoffmann } 8062232bf4SGerd Hoffmann 819d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 829d9e1521SGerd Hoffmann 839d9e1521SGerd Hoffmann static void update_cursor_data_virgl(VirtIOGPU *g, 849d9e1521SGerd Hoffmann struct virtio_gpu_scanout *s, 859d9e1521SGerd Hoffmann uint32_t resource_id) 869d9e1521SGerd Hoffmann { 879d9e1521SGerd Hoffmann uint32_t width, height; 889d9e1521SGerd Hoffmann uint32_t pixels, *data; 899d9e1521SGerd Hoffmann 909d9e1521SGerd Hoffmann data = virgl_renderer_get_cursor_data(resource_id, &width, &height); 919d9e1521SGerd Hoffmann if (!data) { 929d9e1521SGerd Hoffmann return; 939d9e1521SGerd Hoffmann } 949d9e1521SGerd Hoffmann 959d9e1521SGerd Hoffmann if (width != s->current_cursor->width || 969d9e1521SGerd Hoffmann height != s->current_cursor->height) { 972d1cd6c7SLi Qiang free(data); 989d9e1521SGerd Hoffmann return; 999d9e1521SGerd Hoffmann } 1009d9e1521SGerd Hoffmann 1019d9e1521SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 1029d9e1521SGerd Hoffmann memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t)); 1039d9e1521SGerd Hoffmann free(data); 1049d9e1521SGerd Hoffmann } 1059d9e1521SGerd Hoffmann 1069d9e1521SGerd Hoffmann #endif 1079d9e1521SGerd Hoffmann 10862232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 10962232bf4SGerd Hoffmann { 11062232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 1110c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 11262232bf4SGerd Hoffmann 11350d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 11462232bf4SGerd Hoffmann return; 11562232bf4SGerd Hoffmann } 11650d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 11762232bf4SGerd Hoffmann 118e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 119e9c1b459SGerd Hoffmann cursor->pos.x, 120e9c1b459SGerd Hoffmann cursor->pos.y, 121e9c1b459SGerd Hoffmann move ? "move" : "update", 122e9c1b459SGerd Hoffmann cursor->resource_id); 123e9c1b459SGerd Hoffmann 1240c244e50SGerd Hoffmann if (!move) { 12562232bf4SGerd Hoffmann if (!s->current_cursor) { 12662232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 12762232bf4SGerd Hoffmann } 12862232bf4SGerd Hoffmann 12962232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 13062232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 13162232bf4SGerd Hoffmann 13262232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 1339d9e1521SGerd Hoffmann VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple, 1349d9e1521SGerd Hoffmann g, s, cursor->resource_id); 13562232bf4SGerd Hoffmann } 13662232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1370c244e50SGerd Hoffmann 1380c244e50SGerd Hoffmann s->cursor = *cursor; 1390c244e50SGerd Hoffmann } else { 1400c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1410c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 14262232bf4SGerd Hoffmann } 14362232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 14462232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 14562232bf4SGerd Hoffmann } 14662232bf4SGerd Hoffmann 14762232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 14862232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 14962232bf4SGerd Hoffmann { 15062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 15162232bf4SGerd Hoffmann 15262232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 15362232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 15462232bf4SGerd Hoffmann return res; 15562232bf4SGerd Hoffmann } 15662232bf4SGerd Hoffmann } 15762232bf4SGerd Hoffmann return NULL; 15862232bf4SGerd Hoffmann } 15962232bf4SGerd Hoffmann 16062232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 16162232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 16362232bf4SGerd Hoffmann size_t resp_len) 16462232bf4SGerd Hoffmann { 16562232bf4SGerd Hoffmann size_t s; 16662232bf4SGerd Hoffmann 16762232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 16862232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 16962232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 17062232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 17162232bf4SGerd Hoffmann } 1721715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 17362232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 17462232bf4SGerd Hoffmann if (s != resp_len) { 17562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 17662232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 17762232bf4SGerd Hoffmann __func__, s, resp_len); 17862232bf4SGerd Hoffmann } 17962232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 18062232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 18162232bf4SGerd Hoffmann cmd->finished = true; 18262232bf4SGerd Hoffmann } 18362232bf4SGerd Hoffmann 18462232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 18562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 18662232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 18762232bf4SGerd Hoffmann { 18862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 18962232bf4SGerd Hoffmann 19062232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 19162232bf4SGerd Hoffmann resp.type = type; 19262232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 19362232bf4SGerd Hoffmann } 19462232bf4SGerd Hoffmann 19562232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 19662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 19762232bf4SGerd Hoffmann { 19862232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 19962232bf4SGerd Hoffmann 20062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 20162232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 20262232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 20350d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 20462232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 20562232bf4SGerd Hoffmann sizeof(display_info)); 20662232bf4SGerd Hoffmann } 20762232bf4SGerd Hoffmann 2081ed2cb32SGerd Hoffmann static void 2091ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 2101ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 2111ed2cb32SGerd Hoffmann { 21250d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2131ed2cb32SGerd Hoffmann qemu_edid_info info = { 21450d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 21550d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 2161ed2cb32SGerd Hoffmann }; 2171ed2cb32SGerd Hoffmann 2181ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 2191ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 2201ed2cb32SGerd Hoffmann } 2211ed2cb32SGerd Hoffmann 2221ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 2231ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2241ed2cb32SGerd Hoffmann { 2251ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2261ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 22750d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2281ed2cb32SGerd Hoffmann 2291ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2301ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2311ed2cb32SGerd Hoffmann 23250d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2331ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2341ed2cb32SGerd Hoffmann return; 2351ed2cb32SGerd Hoffmann } 2361ed2cb32SGerd Hoffmann 2371ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2381ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2391ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2401ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2411ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2421ed2cb32SGerd Hoffmann } 2431ed2cb32SGerd Hoffmann 244c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 245c53f5b89STao Wu uint32_t width, uint32_t height) 246c53f5b89STao Wu { 247c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 248c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 249c53f5b89STao Wu */ 250c53f5b89STao Wu 251c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 252c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 253c53f5b89STao Wu return height * stride; 254c53f5b89STao Wu } 255c53f5b89STao Wu 25662232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 25762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 25862232bf4SGerd Hoffmann { 25962232bf4SGerd Hoffmann pixman_format_code_t pformat; 26062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 26162232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 26262232bf4SGerd Hoffmann 26362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2641715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 26562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 26662232bf4SGerd Hoffmann c2d.width, c2d.height); 26762232bf4SGerd Hoffmann 26862232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 26962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 27062232bf4SGerd Hoffmann __func__); 27162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 27262232bf4SGerd Hoffmann return; 27362232bf4SGerd Hoffmann } 27462232bf4SGerd Hoffmann 27562232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 27662232bf4SGerd Hoffmann if (res) { 27762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 27862232bf4SGerd Hoffmann __func__, c2d.resource_id); 27962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 28062232bf4SGerd Hoffmann return; 28162232bf4SGerd Hoffmann } 28262232bf4SGerd Hoffmann 28362232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 28462232bf4SGerd Hoffmann 28562232bf4SGerd Hoffmann res->width = c2d.width; 28662232bf4SGerd Hoffmann res->height = c2d.height; 28762232bf4SGerd Hoffmann res->format = c2d.format; 28862232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 28962232bf4SGerd Hoffmann 29083a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 29162232bf4SGerd Hoffmann if (!pformat) { 29262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 29362232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 29462232bf4SGerd Hoffmann __func__, c2d.format); 295cb3a0522SLi Qiang g_free(res); 29662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 29762232bf4SGerd Hoffmann return; 29862232bf4SGerd Hoffmann } 2999b7621bcSGerd Hoffmann 300c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 30150d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 30262232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 30362232bf4SGerd Hoffmann c2d.width, 30462232bf4SGerd Hoffmann c2d.height, 30562232bf4SGerd Hoffmann NULL, 0); 3069b7621bcSGerd Hoffmann } 30762232bf4SGerd Hoffmann 30862232bf4SGerd Hoffmann if (!res->image) { 30962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 31062232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 31162232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 31262232bf4SGerd Hoffmann g_free(res); 31362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 31462232bf4SGerd Hoffmann return; 31562232bf4SGerd Hoffmann } 31662232bf4SGerd Hoffmann 31762232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 3189b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 31962232bf4SGerd Hoffmann } 32062232bf4SGerd Hoffmann 321da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 322da566a18SGerd Hoffmann { 32350d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 324da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 325da566a18SGerd Hoffmann DisplaySurface *ds = NULL; 326da566a18SGerd Hoffmann 327da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 328da566a18SGerd Hoffmann return; 329da566a18SGerd Hoffmann } 330da566a18SGerd Hoffmann 331da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 332da566a18SGerd Hoffmann if (res) { 333da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 334da566a18SGerd Hoffmann } 335da566a18SGerd Hoffmann 336da566a18SGerd Hoffmann if (scanout_id == 0) { 337da566a18SGerd Hoffmann /* primary head */ 338da566a18SGerd Hoffmann ds = qemu_create_message_surface(scanout->width ?: 640, 339da566a18SGerd Hoffmann scanout->height ?: 480, 340da566a18SGerd Hoffmann "Guest disabled display."); 341da566a18SGerd Hoffmann } 342da566a18SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, ds); 343da566a18SGerd Hoffmann scanout->resource_id = 0; 344da566a18SGerd Hoffmann scanout->ds = NULL; 345da566a18SGerd Hoffmann scanout->width = 0; 346da566a18SGerd Hoffmann scanout->height = 0; 347da566a18SGerd Hoffmann } 348da566a18SGerd Hoffmann 34962232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 35062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 35162232bf4SGerd Hoffmann { 3521fccd7c5SGerd Hoffmann int i; 3531fccd7c5SGerd Hoffmann 3541fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 35550d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 3561fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 3571fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 3581fccd7c5SGerd Hoffmann } 3591fccd7c5SGerd Hoffmann } 3601fccd7c5SGerd Hoffmann } 3611fccd7c5SGerd Hoffmann 36262232bf4SGerd Hoffmann pixman_image_unref(res->image); 3633bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 36462232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 3659b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 36662232bf4SGerd Hoffmann g_free(res); 36762232bf4SGerd Hoffmann } 36862232bf4SGerd Hoffmann 36962232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 37062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 37162232bf4SGerd Hoffmann { 37262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 37362232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 37462232bf4SGerd Hoffmann 37562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 3761715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 37762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 37862232bf4SGerd Hoffmann 37962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 38062232bf4SGerd Hoffmann if (!res) { 38162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 38262232bf4SGerd Hoffmann __func__, unref.resource_id); 38362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 38462232bf4SGerd Hoffmann return; 38562232bf4SGerd Hoffmann } 38662232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 38762232bf4SGerd Hoffmann } 38862232bf4SGerd Hoffmann 38962232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 39062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 39162232bf4SGerd Hoffmann { 39262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 39362232bf4SGerd Hoffmann int h; 39462232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 39562232bf4SGerd Hoffmann int bpp; 39662232bf4SGerd Hoffmann pixman_format_code_t format; 39762232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 39862232bf4SGerd Hoffmann 39962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 4001715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 40162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 40262232bf4SGerd Hoffmann 40362232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, t2d.resource_id); 40462232bf4SGerd Hoffmann if (!res || !res->iov) { 40562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 40662232bf4SGerd Hoffmann __func__, t2d.resource_id); 40762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 40862232bf4SGerd Hoffmann return; 40962232bf4SGerd Hoffmann } 41062232bf4SGerd Hoffmann 41162232bf4SGerd Hoffmann if (t2d.r.x > res->width || 41262232bf4SGerd Hoffmann t2d.r.y > res->height || 41362232bf4SGerd Hoffmann t2d.r.width > res->width || 41462232bf4SGerd Hoffmann t2d.r.height > res->height || 41562232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 41662232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 41762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 41862232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 41962232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 42062232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 42162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 42262232bf4SGerd Hoffmann return; 42362232bf4SGerd Hoffmann } 42462232bf4SGerd Hoffmann 42562232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 426e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 42762232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 42862232bf4SGerd Hoffmann 42962232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 43062232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 43162232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 43262232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 43362232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 43462232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 43562232bf4SGerd Hoffmann 43662232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 43762232bf4SGerd Hoffmann (uint8_t *)img_data 43862232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 43962232bf4SGerd Hoffmann } 44062232bf4SGerd Hoffmann } else { 44162232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 44262232bf4SGerd Hoffmann pixman_image_get_data(res->image), 44362232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 44462232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 44562232bf4SGerd Hoffmann } 44662232bf4SGerd Hoffmann } 44762232bf4SGerd Hoffmann 44862232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 44962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 45062232bf4SGerd Hoffmann { 45162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 45262232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 45362232bf4SGerd Hoffmann pixman_region16_t flush_region; 45462232bf4SGerd Hoffmann int i; 45562232bf4SGerd Hoffmann 45662232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 4571715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 45862232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 45962232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 46062232bf4SGerd Hoffmann 46162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, rf.resource_id); 46262232bf4SGerd Hoffmann if (!res) { 46362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 46462232bf4SGerd Hoffmann __func__, rf.resource_id); 46562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 46662232bf4SGerd Hoffmann return; 46762232bf4SGerd Hoffmann } 46862232bf4SGerd Hoffmann 46962232bf4SGerd Hoffmann if (rf.r.x > res->width || 47062232bf4SGerd Hoffmann rf.r.y > res->height || 47162232bf4SGerd Hoffmann rf.r.width > res->width || 47262232bf4SGerd Hoffmann rf.r.height > res->height || 47362232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 47462232bf4SGerd Hoffmann rf.r.y + rf.r.height > res->height) { 47562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 47662232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 47762232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 47862232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 47962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 48062232bf4SGerd Hoffmann return; 48162232bf4SGerd Hoffmann } 48262232bf4SGerd Hoffmann 48362232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 48462232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 48550d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 48662232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 48762232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 48862232bf4SGerd Hoffmann pixman_box16_t *extents; 48962232bf4SGerd Hoffmann 49062232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 49162232bf4SGerd Hoffmann continue; 49262232bf4SGerd Hoffmann } 49350d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 49462232bf4SGerd Hoffmann 49562232bf4SGerd Hoffmann pixman_region_init(&finalregion); 49662232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 49762232bf4SGerd Hoffmann scanout->width, scanout->height); 49862232bf4SGerd Hoffmann 49962232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 50062232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 50162232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 50262232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 50350d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 50462232bf4SGerd Hoffmann extents->x1, extents->y1, 50562232bf4SGerd Hoffmann extents->x2 - extents->x1, 50662232bf4SGerd Hoffmann extents->y2 - extents->y1); 50762232bf4SGerd Hoffmann 50862232bf4SGerd Hoffmann pixman_region_fini(®ion); 50962232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 51062232bf4SGerd Hoffmann } 51162232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 51262232bf4SGerd Hoffmann } 51362232bf4SGerd Hoffmann 514fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 515fa06e5cbSGerd Hoffmann { 516fa06e5cbSGerd Hoffmann pixman_image_unref(data); 517fa06e5cbSGerd Hoffmann } 518fa06e5cbSGerd Hoffmann 51962232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 52062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 52162232bf4SGerd Hoffmann { 522c806cfa0SGerd Hoffmann struct virtio_gpu_simple_resource *res, *ores; 52362232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 52462232bf4SGerd Hoffmann pixman_format_code_t format; 52562232bf4SGerd Hoffmann uint32_t offset; 52662232bf4SGerd Hoffmann int bpp; 52762232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 52862232bf4SGerd Hoffmann 52962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 5301715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 53162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 53262232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 53362232bf4SGerd Hoffmann 53450d8e25eSMarc-André Lureau if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 535fe89fdebSMarc-André Lureau qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 536fe89fdebSMarc-André Lureau __func__, ss.scanout_id); 537fe89fdebSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 538fe89fdebSMarc-André Lureau return; 539fe89fdebSMarc-André Lureau } 540fe89fdebSMarc-André Lureau 54150d8e25eSMarc-André Lureau g->parent_obj.enable = 1; 54262232bf4SGerd Hoffmann if (ss.resource_id == 0) { 543da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 54462232bf4SGerd Hoffmann return; 54562232bf4SGerd Hoffmann } 54662232bf4SGerd Hoffmann 54762232bf4SGerd Hoffmann /* create a surface for this scanout */ 54862232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ss.resource_id); 54962232bf4SGerd Hoffmann if (!res) { 55062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 55162232bf4SGerd Hoffmann __func__, ss.resource_id); 55262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 55362232bf4SGerd Hoffmann return; 55462232bf4SGerd Hoffmann } 55562232bf4SGerd Hoffmann 55662232bf4SGerd Hoffmann if (ss.r.x > res->width || 55762232bf4SGerd Hoffmann ss.r.y > res->height || 558da35f7f1SGerd Hoffmann ss.r.width < 16 || 559da35f7f1SGerd Hoffmann ss.r.height < 16 || 56062232bf4SGerd Hoffmann ss.r.width > res->width || 56162232bf4SGerd Hoffmann ss.r.height > res->height || 56262232bf4SGerd Hoffmann ss.r.x + ss.r.width > res->width || 56362232bf4SGerd Hoffmann ss.r.y + ss.r.height > res->height) { 56462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 56562232bf4SGerd Hoffmann " resource %d, (%d,%d)+%d,%d vs %d %d\n", 56662232bf4SGerd Hoffmann __func__, ss.scanout_id, ss.resource_id, ss.r.x, ss.r.y, 56762232bf4SGerd Hoffmann ss.r.width, ss.r.height, res->width, res->height); 56862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 56962232bf4SGerd Hoffmann return; 57062232bf4SGerd Hoffmann } 57162232bf4SGerd Hoffmann 57250d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[ss.scanout_id]; 57362232bf4SGerd Hoffmann 57462232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 575e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 57662232bf4SGerd Hoffmann offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image); 57762232bf4SGerd Hoffmann if (!scanout->ds || surface_data(scanout->ds) 57862232bf4SGerd Hoffmann != ((uint8_t *)pixman_image_get_data(res->image) + offset) || 57962232bf4SGerd Hoffmann scanout->width != ss.r.width || 58062232bf4SGerd Hoffmann scanout->height != ss.r.height) { 581fa06e5cbSGerd Hoffmann pixman_image_t *rect; 582fa06e5cbSGerd Hoffmann void *ptr = (uint8_t *)pixman_image_get_data(res->image) + offset; 583fa06e5cbSGerd Hoffmann rect = pixman_image_create_bits(format, ss.r.width, ss.r.height, ptr, 584fa06e5cbSGerd Hoffmann pixman_image_get_stride(res->image)); 585fa06e5cbSGerd Hoffmann pixman_image_ref(res->image); 586fa06e5cbSGerd Hoffmann pixman_image_set_destroy_function(rect, virtio_unref_resource, 587fa06e5cbSGerd Hoffmann res->image); 58862232bf4SGerd Hoffmann /* realloc the surface ptr */ 589fa06e5cbSGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(rect); 59062232bf4SGerd Hoffmann if (!scanout->ds) { 59162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 59262232bf4SGerd Hoffmann return; 59362232bf4SGerd Hoffmann } 594dd248ed7SLi Qiang pixman_image_unref(rect); 59550d8e25eSMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[ss.scanout_id].con, 59650d8e25eSMarc-André Lureau scanout->ds); 59762232bf4SGerd Hoffmann } 59862232bf4SGerd Hoffmann 599c806cfa0SGerd Hoffmann ores = virtio_gpu_find_resource(g, scanout->resource_id); 600c806cfa0SGerd Hoffmann if (ores) { 601c806cfa0SGerd Hoffmann ores->scanout_bitmask &= ~(1 << ss.scanout_id); 602c806cfa0SGerd Hoffmann } 603c806cfa0SGerd Hoffmann 60462232bf4SGerd Hoffmann res->scanout_bitmask |= (1 << ss.scanout_id); 60562232bf4SGerd Hoffmann scanout->resource_id = ss.resource_id; 60662232bf4SGerd Hoffmann scanout->x = ss.r.x; 60762232bf4SGerd Hoffmann scanout->y = ss.r.y; 60862232bf4SGerd Hoffmann scanout->width = ss.r.width; 60962232bf4SGerd Hoffmann scanout->height = ss.r.height; 61062232bf4SGerd Hoffmann } 61162232bf4SGerd Hoffmann 6123bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 6133bb68f79SGerd Hoffmann struct virtio_gpu_resource_attach_backing *ab, 61462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 6150c244e50SGerd Hoffmann uint64_t **addr, struct iovec **iov) 61662232bf4SGerd Hoffmann { 61762232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 61862232bf4SGerd Hoffmann size_t esize, s; 61962232bf4SGerd Hoffmann int i; 62062232bf4SGerd Hoffmann 62162232bf4SGerd Hoffmann if (ab->nr_entries > 16384) { 62262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 6232c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 62462232bf4SGerd Hoffmann __func__, ab->nr_entries); 62562232bf4SGerd Hoffmann return -1; 62662232bf4SGerd Hoffmann } 62762232bf4SGerd Hoffmann 62862232bf4SGerd Hoffmann esize = sizeof(*ents) * ab->nr_entries; 62962232bf4SGerd Hoffmann ents = g_malloc(esize); 63062232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 63162232bf4SGerd Hoffmann sizeof(*ab), ents, esize); 63262232bf4SGerd Hoffmann if (s != esize) { 63362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 63462232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 63562232bf4SGerd Hoffmann __func__, s, esize); 63662232bf4SGerd Hoffmann g_free(ents); 63762232bf4SGerd Hoffmann return -1; 63862232bf4SGerd Hoffmann } 63962232bf4SGerd Hoffmann 64062232bf4SGerd Hoffmann *iov = g_malloc0(sizeof(struct iovec) * ab->nr_entries); 6410c244e50SGerd Hoffmann if (addr) { 6420c244e50SGerd Hoffmann *addr = g_malloc0(sizeof(uint64_t) * ab->nr_entries); 6430c244e50SGerd Hoffmann } 64462232bf4SGerd Hoffmann for (i = 0; i < ab->nr_entries; i++) { 6451715d6b5SFarhan Ali uint64_t a = le64_to_cpu(ents[i].addr); 6461715d6b5SFarhan Ali uint32_t l = le32_to_cpu(ents[i].length); 6471715d6b5SFarhan Ali hwaddr len = l; 6481715d6b5SFarhan Ali (*iov)[i].iov_len = l; 6498da132a5SGerd Hoffmann (*iov)[i].iov_base = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 6508da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 6510c244e50SGerd Hoffmann if (addr) { 6521715d6b5SFarhan Ali (*addr)[i] = a; 6530c244e50SGerd Hoffmann } 6541715d6b5SFarhan Ali if (!(*iov)[i].iov_base || len != l) { 65562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 65662232bf4SGerd Hoffmann " resource %d element %d\n", 65762232bf4SGerd Hoffmann __func__, ab->resource_id, i); 6583bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, i); 65962232bf4SGerd Hoffmann g_free(ents); 66062232bf4SGerd Hoffmann *iov = NULL; 6610c244e50SGerd Hoffmann if (addr) { 6620c244e50SGerd Hoffmann g_free(*addr); 6630c244e50SGerd Hoffmann *addr = NULL; 6640c244e50SGerd Hoffmann } 66562232bf4SGerd Hoffmann return -1; 66662232bf4SGerd Hoffmann } 66762232bf4SGerd Hoffmann } 66862232bf4SGerd Hoffmann g_free(ents); 66962232bf4SGerd Hoffmann return 0; 67062232bf4SGerd Hoffmann } 67162232bf4SGerd Hoffmann 6723bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 6733bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 67462232bf4SGerd Hoffmann { 67562232bf4SGerd Hoffmann int i; 67662232bf4SGerd Hoffmann 67762232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 6788da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 6798da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 6808da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 68162232bf4SGerd Hoffmann iov[i].iov_len); 68262232bf4SGerd Hoffmann } 6837f3be0f2SGerd Hoffmann g_free(iov); 68462232bf4SGerd Hoffmann } 68562232bf4SGerd Hoffmann 6863bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 6873bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 68862232bf4SGerd Hoffmann { 6893bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 69062232bf4SGerd Hoffmann res->iov = NULL; 69162232bf4SGerd Hoffmann res->iov_cnt = 0; 6920c244e50SGerd Hoffmann g_free(res->addrs); 6930c244e50SGerd Hoffmann res->addrs = NULL; 69462232bf4SGerd Hoffmann } 69562232bf4SGerd Hoffmann 69662232bf4SGerd Hoffmann static void 69762232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 69862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 69962232bf4SGerd Hoffmann { 70062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 70162232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 70262232bf4SGerd Hoffmann int ret; 70362232bf4SGerd Hoffmann 70462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 7051715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 70662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 70762232bf4SGerd Hoffmann 70862232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 70962232bf4SGerd Hoffmann if (!res) { 71062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 71162232bf4SGerd Hoffmann __func__, ab.resource_id); 71262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 71362232bf4SGerd Hoffmann return; 71462232bf4SGerd Hoffmann } 71562232bf4SGerd Hoffmann 716204f01b3SLi Qiang if (res->iov) { 717204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 718204f01b3SLi Qiang return; 719204f01b3SLi Qiang } 720204f01b3SLi Qiang 7213bb68f79SGerd Hoffmann ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov); 72262232bf4SGerd Hoffmann if (ret != 0) { 72362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 72462232bf4SGerd Hoffmann return; 72562232bf4SGerd Hoffmann } 72662232bf4SGerd Hoffmann 72762232bf4SGerd Hoffmann res->iov_cnt = ab.nr_entries; 72862232bf4SGerd Hoffmann } 72962232bf4SGerd Hoffmann 73062232bf4SGerd Hoffmann static void 73162232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 73262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 73362232bf4SGerd Hoffmann { 73462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 73562232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 73662232bf4SGerd Hoffmann 73762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 7381715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 73962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 74062232bf4SGerd Hoffmann 74162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, detach.resource_id); 74262232bf4SGerd Hoffmann if (!res || !res->iov) { 74362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 74462232bf4SGerd Hoffmann __func__, detach.resource_id); 74562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 74662232bf4SGerd Hoffmann return; 74762232bf4SGerd Hoffmann } 7483bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 74962232bf4SGerd Hoffmann } 75062232bf4SGerd Hoffmann 75162232bf4SGerd Hoffmann static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 75262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 75362232bf4SGerd Hoffmann { 75462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 7551715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 75662232bf4SGerd Hoffmann 75762232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 75862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 75962232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 76062232bf4SGerd Hoffmann break; 7611ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 7621ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 7631ed2cb32SGerd Hoffmann break; 76462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 76562232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 76662232bf4SGerd Hoffmann break; 76762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 76862232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 76962232bf4SGerd Hoffmann break; 77062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 77162232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 77262232bf4SGerd Hoffmann break; 77362232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 77462232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 77562232bf4SGerd Hoffmann break; 77662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 77762232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 77862232bf4SGerd Hoffmann break; 77962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 78062232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 78162232bf4SGerd Hoffmann break; 78262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 78362232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 78462232bf4SGerd Hoffmann break; 78562232bf4SGerd Hoffmann default: 78662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 78762232bf4SGerd Hoffmann break; 78862232bf4SGerd Hoffmann } 78962232bf4SGerd Hoffmann if (!cmd->finished) { 79062232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 79162232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 79262232bf4SGerd Hoffmann } 79362232bf4SGerd Hoffmann } 79462232bf4SGerd Hoffmann 79562232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 79662232bf4SGerd Hoffmann { 79762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 79862232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 79962232bf4SGerd Hoffmann } 80062232bf4SGerd Hoffmann 80162232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 80262232bf4SGerd Hoffmann { 80362232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 80462232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 80562232bf4SGerd Hoffmann } 80662232bf4SGerd Hoffmann 8070c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 8083eb769fdSGerd Hoffmann { 8093eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 8103eb769fdSGerd Hoffmann 8113eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 8123eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 8133eb769fdSGerd Hoffmann 81450d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 8150c55a1cfSGerd Hoffmann break; 8160c55a1cfSGerd Hoffmann } 817ad341aacSMarc-André Lureau 818ad341aacSMarc-André Lureau /* process command */ 819ad341aacSMarc-André Lureau VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd, 820ad341aacSMarc-André Lureau g, cmd); 821ad341aacSMarc-André Lureau 8223eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 82350d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8243eb769fdSGerd Hoffmann g->stats.requests++; 8253eb769fdSGerd Hoffmann } 8263eb769fdSGerd Hoffmann 8273eb769fdSGerd Hoffmann if (!cmd->finished) { 8283eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 8293eb769fdSGerd Hoffmann g->inflight++; 83050d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8313eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 8323eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 8333eb769fdSGerd Hoffmann } 8343eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 8353eb769fdSGerd Hoffmann } 8363eb769fdSGerd Hoffmann } else { 8373eb769fdSGerd Hoffmann g_free(cmd); 8383eb769fdSGerd Hoffmann } 8393eb769fdSGerd Hoffmann } 8403eb769fdSGerd Hoffmann } 8413eb769fdSGerd Hoffmann 84250d8e25eSMarc-André Lureau static void virtio_gpu_gl_unblock(VirtIOGPUBase *b) 84350d8e25eSMarc-André Lureau { 84450d8e25eSMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(b); 84550d8e25eSMarc-André Lureau 84650d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 84750d8e25eSMarc-André Lureau if (g->renderer_reset) { 84850d8e25eSMarc-André Lureau g->renderer_reset = false; 84950d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 85050d8e25eSMarc-André Lureau } 85150d8e25eSMarc-André Lureau #endif 85250d8e25eSMarc-André Lureau virtio_gpu_process_cmdq(g); 85350d8e25eSMarc-André Lureau } 85450d8e25eSMarc-André Lureau 85562232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 85662232bf4SGerd Hoffmann { 85762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 85862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 85962232bf4SGerd Hoffmann 86062232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 86162232bf4SGerd Hoffmann return; 86262232bf4SGerd Hoffmann } 86362232bf4SGerd Hoffmann 8649d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 86550d8e25eSMarc-André Lureau if (!g->renderer_inited && g->parent_obj.use_virgl_renderer) { 8669d9e1521SGerd Hoffmann virtio_gpu_virgl_init(g); 8679d9e1521SGerd Hoffmann g->renderer_inited = true; 8689d9e1521SGerd Hoffmann } 8699d9e1521SGerd Hoffmann #endif 8709d9e1521SGerd Hoffmann 87151b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 87251b19ebeSPaolo Bonzini while (cmd) { 87362232bf4SGerd Hoffmann cmd->vq = vq; 87462232bf4SGerd Hoffmann cmd->error = 0; 87562232bf4SGerd Hoffmann cmd->finished = false; 8763eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 87751b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 87862232bf4SGerd Hoffmann } 8799d9e1521SGerd Hoffmann 8803eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 8813eb769fdSGerd Hoffmann 8829d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 88350d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 8849d9e1521SGerd Hoffmann virtio_gpu_virgl_fence_poll(g); 8859d9e1521SGerd Hoffmann } 8869d9e1521SGerd Hoffmann #endif 88762232bf4SGerd Hoffmann } 88862232bf4SGerd Hoffmann 88962232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 89062232bf4SGerd Hoffmann { 89162232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 89250d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 89362232bf4SGerd Hoffmann } 89462232bf4SGerd Hoffmann 89562232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 89662232bf4SGerd Hoffmann { 89762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 89851b19ebeSPaolo Bonzini VirtQueueElement *elem; 89962232bf4SGerd Hoffmann size_t s; 90062232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 90162232bf4SGerd Hoffmann 90262232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 90362232bf4SGerd Hoffmann return; 90462232bf4SGerd Hoffmann } 90551b19ebeSPaolo Bonzini for (;;) { 90651b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 90751b19ebeSPaolo Bonzini if (!elem) { 90851b19ebeSPaolo Bonzini break; 90951b19ebeSPaolo Bonzini } 91051b19ebeSPaolo Bonzini 91151b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 91262232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 91362232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 91462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 91562232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 91662232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 91762232bf4SGerd Hoffmann } else { 9181715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 91962232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 92062232bf4SGerd Hoffmann } 92151b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 92262232bf4SGerd Hoffmann virtio_notify(vdev, vq); 92351b19ebeSPaolo Bonzini g_free(elem); 92462232bf4SGerd Hoffmann } 92562232bf4SGerd Hoffmann } 92662232bf4SGerd Hoffmann 92762232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 92862232bf4SGerd Hoffmann { 92962232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 93050d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 93162232bf4SGerd Hoffmann } 93262232bf4SGerd Hoffmann 9330c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 9340c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 9350c244e50SGerd Hoffmann .version_id = 1, 9360c244e50SGerd Hoffmann .fields = (VMStateField[]) { 9370c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 9380c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 9390c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 9400c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 9410c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 9420c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 9430c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 9440c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 9450c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 9460c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 9470c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9480c244e50SGerd Hoffmann }, 9490c244e50SGerd Hoffmann }; 9500c244e50SGerd Hoffmann 9510c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 9520c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 9530c244e50SGerd Hoffmann .version_id = 1, 9540c244e50SGerd Hoffmann .fields = (VMStateField[]) { 95550d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 95650d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 95750d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 95850d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 95950d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 9600c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 9610c244e50SGerd Hoffmann struct virtio_gpu_scanout), 9620c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9630c244e50SGerd Hoffmann }, 9640c244e50SGerd Hoffmann }; 9650c244e50SGerd Hoffmann 9662c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 96703fee66fSMarc-André Lureau const VMStateField *field, QJSON *vmdesc) 9680c244e50SGerd Hoffmann { 9690c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9700c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9710c244e50SGerd Hoffmann int i; 9720c244e50SGerd Hoffmann 9730c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 9740c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 9750c244e50SGerd Hoffmann 9760c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 9770c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 9780c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 9790c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 9800c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 9810c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 9820c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 9830c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 9840c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 9850c244e50SGerd Hoffmann } 9860c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 9870c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 9880c244e50SGerd Hoffmann } 9890c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 9900c244e50SGerd Hoffmann 9912f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 9920c244e50SGerd Hoffmann } 9930c244e50SGerd Hoffmann 9942c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 99503fee66fSMarc-André Lureau const VMStateField *field) 9960c244e50SGerd Hoffmann { 9970c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9980c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9990c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 10000c244e50SGerd Hoffmann uint32_t resource_id, pformat; 10018a502efdSHalil Pasic int i; 10020c244e50SGerd Hoffmann 1003039aa5dbSPeter Maydell g->hostmem = 0; 1004039aa5dbSPeter Maydell 10050c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10060c244e50SGerd Hoffmann while (resource_id != 0) { 1007b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 1008b0ee78ffSLi Qiang if (res) { 1009b0ee78ffSLi Qiang return -EINVAL; 1010b0ee78ffSLi Qiang } 1011b0ee78ffSLi Qiang 10120c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 10130c244e50SGerd Hoffmann res->resource_id = resource_id; 10140c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 10150c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 10160c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 10170c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 10180c244e50SGerd Hoffmann 10190c244e50SGerd Hoffmann /* allocate */ 102083a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 10210c244e50SGerd Hoffmann if (!pformat) { 1022c84f0f25SPeter Maydell g_free(res); 10230c244e50SGerd Hoffmann return -EINVAL; 10240c244e50SGerd Hoffmann } 10250c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 10260c244e50SGerd Hoffmann res->width, res->height, 10270c244e50SGerd Hoffmann NULL, 0); 10280c244e50SGerd Hoffmann if (!res->image) { 1029c84f0f25SPeter Maydell g_free(res); 10300c244e50SGerd Hoffmann return -EINVAL; 10310c244e50SGerd Hoffmann } 10320c244e50SGerd Hoffmann 1033c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1034039aa5dbSPeter Maydell 10350c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 10360c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 10370c244e50SGerd Hoffmann 10380c244e50SGerd Hoffmann /* read data */ 10390c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10400c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 10410c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 10420c244e50SGerd Hoffmann } 10430c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 10440c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10450c244e50SGerd Hoffmann 10460c244e50SGerd Hoffmann /* restore mapping */ 10470c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10480c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 10490c244e50SGerd Hoffmann res->iov[i].iov_base = 10508da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 10518da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 10523bb68f79SGerd Hoffmann 10530c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1054c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1055c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 10568da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 10578da132a5SGerd Hoffmann res->iov[i].iov_base, 1058a7f85e03SGerd Hoffmann len, 10598da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1060a7f85e03SGerd Hoffmann 0); 1061c84f0f25SPeter Maydell } 1062c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1063c84f0f25SPeter Maydell res->iov_cnt = i; 10643bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1065c84f0f25SPeter Maydell pixman_image_unref(res->image); 1066c84f0f25SPeter Maydell g_free(res); 10670c244e50SGerd Hoffmann return -EINVAL; 10680c244e50SGerd Hoffmann } 10690c244e50SGerd Hoffmann } 10700c244e50SGerd Hoffmann 10710c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1072039aa5dbSPeter Maydell g->hostmem += res->hostmem; 10730c244e50SGerd Hoffmann 10740c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10750c244e50SGerd Hoffmann } 10760c244e50SGerd Hoffmann 10770c244e50SGerd Hoffmann /* load & apply scanout state */ 10780c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 107950d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 108050d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 10810c244e50SGerd Hoffmann if (!scanout->resource_id) { 10820c244e50SGerd Hoffmann continue; 10830c244e50SGerd Hoffmann } 10840c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 10850c244e50SGerd Hoffmann if (!res) { 10860c244e50SGerd Hoffmann return -EINVAL; 10870c244e50SGerd Hoffmann } 10880c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 10890c244e50SGerd Hoffmann if (!scanout->ds) { 10900c244e50SGerd Hoffmann return -EINVAL; 10910c244e50SGerd Hoffmann } 10920c244e50SGerd Hoffmann 10930c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 109491155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 109510750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 10960c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 109710750ee0SGerd Hoffmann } 10980c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 10990c244e50SGerd Hoffmann } 11000c244e50SGerd Hoffmann 11010c244e50SGerd Hoffmann return 0; 11020c244e50SGerd Hoffmann } 11030c244e50SGerd Hoffmann 110462232bf4SGerd Hoffmann static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 110562232bf4SGerd Hoffmann { 110662232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 110762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 11089d9e1521SGerd Hoffmann bool have_virgl; 110962232bf4SGerd Hoffmann 11109d9e1521SGerd Hoffmann #if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN) 11119d9e1521SGerd Hoffmann have_virgl = false; 11129d9e1521SGerd Hoffmann #else 11139d9e1521SGerd Hoffmann have_virgl = display_opengl; 11149d9e1521SGerd Hoffmann #endif 11159d9e1521SGerd Hoffmann if (!have_virgl) { 111650d8e25eSMarc-André Lureau g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED); 111750d8e25eSMarc-André Lureau } else { 111850d8e25eSMarc-André Lureau #if defined(CONFIG_VIRGL) 111950d8e25eSMarc-André Lureau VIRTIO_GPU_BASE(g)->virtio_config.num_capsets = 112050d8e25eSMarc-André Lureau virtio_gpu_virgl_get_num_capsets(g); 112150d8e25eSMarc-André Lureau #endif 11229d9e1521SGerd Hoffmann } 11239d9e1521SGerd Hoffmann 112450d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 112550d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 112650d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 112750d8e25eSMarc-André Lureau errp)) { 1128fe44dc91SAshijeet Acharya return; 1129fe44dc91SAshijeet Acharya } 1130fe44dc91SAshijeet Acharya 113150d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 113250d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 113362232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 113462232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 113562232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 11363eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 113762232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 113862232bf4SGerd Hoffmann } 113962232bf4SGerd Hoffmann 11400be00346SGerd Hoffmann static void virtio_gpu_reset(VirtIODevice *vdev) 114162232bf4SGerd Hoffmann { 114262232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 114362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1144dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 114562232bf4SGerd Hoffmann 114650d8e25eSMarc-André Lureau #ifdef CONFIG_VIRGL 114750d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 114850d8e25eSMarc-André Lureau virtio_gpu_virgl_reset(g); 114950d8e25eSMarc-André Lureau } 115050d8e25eSMarc-André Lureau #endif 115162232bf4SGerd Hoffmann 115262232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 115362232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 115462232bf4SGerd Hoffmann } 11559d9e1521SGerd Hoffmann 1156dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1157dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1158dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1159dc84ed5bSGerd Hoffmann g_free(cmd); 1160dc84ed5bSGerd Hoffmann } 1161dc84ed5bSGerd Hoffmann 1162dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1163dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1164dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1165dc84ed5bSGerd Hoffmann g->inflight--; 1166dc84ed5bSGerd Hoffmann g_free(cmd); 1167dc84ed5bSGerd Hoffmann } 1168dc84ed5bSGerd Hoffmann 11699d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 117050d8e25eSMarc-André Lureau if (g->parent_obj.use_virgl_renderer) { 117150d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 11729032e3d7SGerd Hoffmann g->renderer_reset = true; 11739032e3d7SGerd Hoffmann } else { 11749d9e1521SGerd Hoffmann virtio_gpu_virgl_reset(g); 11759032e3d7SGerd Hoffmann } 117650d8e25eSMarc-André Lureau g->parent_obj.use_virgl_renderer = false; 11779d9e1521SGerd Hoffmann } 11789d9e1521SGerd Hoffmann #endif 117950d8e25eSMarc-André Lureau 118050d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 118150d8e25eSMarc-André Lureau } 118250d8e25eSMarc-André Lureau 118350d8e25eSMarc-André Lureau static void 118450d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 118550d8e25eSMarc-André Lureau { 118650d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 118750d8e25eSMarc-André Lureau 118850d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 118950d8e25eSMarc-André Lureau } 119050d8e25eSMarc-André Lureau 119150d8e25eSMarc-André Lureau static void 119250d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 119350d8e25eSMarc-André Lureau { 119450d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 119550d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 119650d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 119750d8e25eSMarc-André Lureau 119850d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 119950d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 120050d8e25eSMarc-André Lureau } 120162232bf4SGerd Hoffmann } 120262232bf4SGerd Hoffmann 12038a502efdSHalil Pasic /* 12048a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 12058a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 12068a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 12078a502efdSHalil Pasic * is saved/loaded after the core data. 12088a502efdSHalil Pasic * 12098a502efdSHalil Pasic * Because of this we need a special vmsd. 12108a502efdSHalil Pasic */ 12118a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 12128a502efdSHalil Pasic .name = "virtio-gpu", 12138a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 12148a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 12158a502efdSHalil Pasic .fields = (VMStateField[]) { 12168a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 12178a502efdSHalil Pasic { 12188a502efdSHalil Pasic .name = "virtio-gpu", 12198a502efdSHalil Pasic .info = &(const VMStateInfo) { 12208a502efdSHalil Pasic .name = "virtio-gpu", 12218a502efdSHalil Pasic .get = virtio_gpu_load, 12228a502efdSHalil Pasic .put = virtio_gpu_save, 12238a502efdSHalil Pasic }, 12248a502efdSHalil Pasic .flags = VMS_SINGLE, 12258a502efdSHalil Pasic } /* device */, 12268a502efdSHalil Pasic VMSTATE_END_OF_LIST() 12278a502efdSHalil Pasic }, 12288a502efdSHalil Pasic }; 12290fc07498SDr. David Alan Gilbert 123062232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 123150d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 123250d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 123350d8e25eSMarc-André Lureau 256 * MiB), 12349d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 123550d8e25eSMarc-André Lureau DEFINE_PROP_BIT("virgl", VirtIOGPU, parent_obj.conf.flags, 12369d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_VIRGL_ENABLED, true), 123750d8e25eSMarc-André Lureau DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags, 12389d9e1521SGerd Hoffmann VIRTIO_GPU_FLAG_STATS_ENABLED, false), 12399d9e1521SGerd Hoffmann #endif 124062232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 124162232bf4SGerd Hoffmann }; 124262232bf4SGerd Hoffmann 124362232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 124462232bf4SGerd Hoffmann { 124562232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 124662232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 124750d8e25eSMarc-André Lureau VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 124862232bf4SGerd Hoffmann 124950d8e25eSMarc-André Lureau vgc->gl_unblock = virtio_gpu_gl_unblock; 125062232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 125150d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 125262232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 125362232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 125462232bf4SGerd Hoffmann 12550fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 125650d8e25eSMarc-André Lureau dc->props = virtio_gpu_properties; 125762232bf4SGerd Hoffmann } 125862232bf4SGerd Hoffmann 125962232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 126062232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 126150d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 126262232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 126362232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 126462232bf4SGerd Hoffmann }; 126562232bf4SGerd Hoffmann 126662232bf4SGerd Hoffmann static void virtio_register_types(void) 126762232bf4SGerd Hoffmann { 126862232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 126962232bf4SGerd Hoffmann } 127062232bf4SGerd Hoffmann 127162232bf4SGerd Hoffmann type_init(virtio_register_types) 1272