162232bf4SGerd Hoffmann /* 262232bf4SGerd Hoffmann * Virtio GPU Device 362232bf4SGerd Hoffmann * 462232bf4SGerd Hoffmann * Copyright Red Hat, Inc. 2013-2014 562232bf4SGerd Hoffmann * 662232bf4SGerd Hoffmann * Authors: 762232bf4SGerd Hoffmann * Dave Airlie <airlied@redhat.com> 862232bf4SGerd Hoffmann * Gerd Hoffmann <kraxel@redhat.com> 962232bf4SGerd Hoffmann * 102e252145SGerd Hoffmann * This work is licensed under the terms of the GNU GPL, version 2 or later. 1162232bf4SGerd Hoffmann * See the COPYING file in the top-level directory. 1262232bf4SGerd Hoffmann */ 1362232bf4SGerd Hoffmann 149b8bfe21SPeter Maydell #include "qemu/osdep.h" 15f0353b0dSPhilippe Mathieu-Daudé #include "qemu/units.h" 1662232bf4SGerd Hoffmann #include "qemu/iov.h" 1762232bf4SGerd Hoffmann #include "ui/console.h" 1862232bf4SGerd Hoffmann #include "trace.h" 198da132a5SGerd Hoffmann #include "sysemu/dma.h" 202f780b6aSMarkus Armbruster #include "sysemu/sysemu.h" 2162232bf4SGerd Hoffmann #include "hw/virtio/virtio.h" 22ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h" 2362232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h" 24ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h" 2583a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h" 2662232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h" 271ed2cb32SGerd Hoffmann #include "hw/display/edid.h" 28a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 2903dd024fSPaolo Bonzini #include "qemu/log.h" 300b8fa32fSMarkus Armbruster #include "qemu/module.h" 315e3d741cSMarc-André Lureau #include "qapi/error.h" 3250d8e25eSMarc-André Lureau #include "qemu/error-report.h" 3362232bf4SGerd Hoffmann 340c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1 350c244e50SGerd Hoffmann 3662232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource* 3762232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); 3862232bf4SGerd Hoffmann 393bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 403bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res); 41b8e23926SLi Qiang 429d9e1521SGerd Hoffmann #ifdef CONFIG_VIRGL 43a9c94277SMarkus Armbruster #include <virglrenderer.h> 449d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 459d9e1521SGerd Hoffmann do { \ 4650d8e25eSMarc-André Lureau if (_g->parent_obj.use_virgl_renderer) { \ 479d9e1521SGerd Hoffmann _virgl(__VA_ARGS__); \ 489d9e1521SGerd Hoffmann } else { \ 499d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 509d9e1521SGerd Hoffmann } \ 519d9e1521SGerd Hoffmann } while (0) 529d9e1521SGerd Hoffmann #else 539d9e1521SGerd Hoffmann #define VIRGL(_g, _virgl, _simple, ...) \ 549d9e1521SGerd Hoffmann do { \ 559d9e1521SGerd Hoffmann _simple(__VA_ARGS__); \ 569d9e1521SGerd Hoffmann } while (0) 579d9e1521SGerd Hoffmann #endif 589d9e1521SGerd Hoffmann 59*2c267d66SGerd Hoffmann void virtio_gpu_update_cursor_data(VirtIOGPU *g, 6062232bf4SGerd Hoffmann struct virtio_gpu_scanout *s, 6162232bf4SGerd Hoffmann uint32_t resource_id) 6262232bf4SGerd Hoffmann { 6362232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 6462232bf4SGerd Hoffmann uint32_t pixels; 6562232bf4SGerd Hoffmann 6662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, resource_id); 6762232bf4SGerd Hoffmann if (!res) { 6862232bf4SGerd Hoffmann return; 6962232bf4SGerd Hoffmann } 7062232bf4SGerd Hoffmann 7162232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width || 7262232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) { 7362232bf4SGerd Hoffmann return; 7462232bf4SGerd Hoffmann } 7562232bf4SGerd Hoffmann 7662232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height; 7762232bf4SGerd Hoffmann memcpy(s->current_cursor->data, 7862232bf4SGerd Hoffmann pixman_image_get_data(res->image), 7962232bf4SGerd Hoffmann pixels * sizeof(uint32_t)); 8062232bf4SGerd Hoffmann } 8162232bf4SGerd Hoffmann 8262232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor) 8362232bf4SGerd Hoffmann { 8462232bf4SGerd Hoffmann struct virtio_gpu_scanout *s; 85*2c267d66SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 860c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR; 8762232bf4SGerd Hoffmann 8850d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) { 8962232bf4SGerd Hoffmann return; 9062232bf4SGerd Hoffmann } 9150d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id]; 9262232bf4SGerd Hoffmann 93e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id, 94e9c1b459SGerd Hoffmann cursor->pos.x, 95e9c1b459SGerd Hoffmann cursor->pos.y, 96e9c1b459SGerd Hoffmann move ? "move" : "update", 97e9c1b459SGerd Hoffmann cursor->resource_id); 98e9c1b459SGerd Hoffmann 990c244e50SGerd Hoffmann if (!move) { 10062232bf4SGerd Hoffmann if (!s->current_cursor) { 10162232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64); 10262232bf4SGerd Hoffmann } 10362232bf4SGerd Hoffmann 10462232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x; 10562232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y; 10662232bf4SGerd Hoffmann 10762232bf4SGerd Hoffmann if (cursor->resource_id > 0) { 108*2c267d66SGerd Hoffmann vgc->update_cursor_data(g, s, cursor->resource_id); 10962232bf4SGerd Hoffmann } 11062232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor); 1110c244e50SGerd Hoffmann 1120c244e50SGerd Hoffmann s->cursor = *cursor; 1130c244e50SGerd Hoffmann } else { 1140c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x; 1150c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y; 11662232bf4SGerd Hoffmann } 11762232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y, 11862232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0); 11962232bf4SGerd Hoffmann } 12062232bf4SGerd Hoffmann 12162232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource * 12262232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id) 12362232bf4SGerd Hoffmann { 12462232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 12562232bf4SGerd Hoffmann 12662232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 12762232bf4SGerd Hoffmann if (res->resource_id == resource_id) { 12862232bf4SGerd Hoffmann return res; 12962232bf4SGerd Hoffmann } 13062232bf4SGerd Hoffmann } 13162232bf4SGerd Hoffmann return NULL; 13262232bf4SGerd Hoffmann } 13362232bf4SGerd Hoffmann 13462232bf4SGerd Hoffmann void virtio_gpu_ctrl_response(VirtIOGPU *g, 13562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 13662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr *resp, 13762232bf4SGerd Hoffmann size_t resp_len) 13862232bf4SGerd Hoffmann { 13962232bf4SGerd Hoffmann size_t s; 14062232bf4SGerd Hoffmann 14162232bf4SGerd Hoffmann if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE) { 14262232bf4SGerd Hoffmann resp->flags |= VIRTIO_GPU_FLAG_FENCE; 14362232bf4SGerd Hoffmann resp->fence_id = cmd->cmd_hdr.fence_id; 14462232bf4SGerd Hoffmann resp->ctx_id = cmd->cmd_hdr.ctx_id; 14562232bf4SGerd Hoffmann } 1461715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(resp); 14762232bf4SGerd Hoffmann s = iov_from_buf(cmd->elem.in_sg, cmd->elem.in_num, 0, resp, resp_len); 14862232bf4SGerd Hoffmann if (s != resp_len) { 14962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 15062232bf4SGerd Hoffmann "%s: response size incorrect %zu vs %zu\n", 15162232bf4SGerd Hoffmann __func__, s, resp_len); 15262232bf4SGerd Hoffmann } 15362232bf4SGerd Hoffmann virtqueue_push(cmd->vq, &cmd->elem, s); 15462232bf4SGerd Hoffmann virtio_notify(VIRTIO_DEVICE(g), cmd->vq); 15562232bf4SGerd Hoffmann cmd->finished = true; 15662232bf4SGerd Hoffmann } 15762232bf4SGerd Hoffmann 15862232bf4SGerd Hoffmann void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, 15962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 16062232bf4SGerd Hoffmann enum virtio_gpu_ctrl_type type) 16162232bf4SGerd Hoffmann { 16262232bf4SGerd Hoffmann struct virtio_gpu_ctrl_hdr resp; 16362232bf4SGerd Hoffmann 16462232bf4SGerd Hoffmann memset(&resp, 0, sizeof(resp)); 16562232bf4SGerd Hoffmann resp.type = type; 16662232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &resp, sizeof(resp)); 16762232bf4SGerd Hoffmann } 16862232bf4SGerd Hoffmann 16962232bf4SGerd Hoffmann void virtio_gpu_get_display_info(VirtIOGPU *g, 17062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 17162232bf4SGerd Hoffmann { 17262232bf4SGerd Hoffmann struct virtio_gpu_resp_display_info display_info; 17362232bf4SGerd Hoffmann 17462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_get_display_info(); 17562232bf4SGerd Hoffmann memset(&display_info, 0, sizeof(display_info)); 17662232bf4SGerd Hoffmann display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 17750d8e25eSMarc-André Lureau virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 17862232bf4SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &display_info.hdr, 17962232bf4SGerd Hoffmann sizeof(display_info)); 18062232bf4SGerd Hoffmann } 18162232bf4SGerd Hoffmann 1821ed2cb32SGerd Hoffmann static void 1831ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, 1841ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid *edid) 1851ed2cb32SGerd Hoffmann { 18650d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 1871ed2cb32SGerd Hoffmann qemu_edid_info info = { 1884bf47f36SMarc-André Lureau .width_mm = b->req_state[scanout].width_mm, 1894bf47f36SMarc-André Lureau .height_mm = b->req_state[scanout].height_mm, 19050d8e25eSMarc-André Lureau .prefx = b->req_state[scanout].width, 19150d8e25eSMarc-André Lureau .prefy = b->req_state[scanout].height, 1921ed2cb32SGerd Hoffmann }; 1931ed2cb32SGerd Hoffmann 1941ed2cb32SGerd Hoffmann edid->size = cpu_to_le32(sizeof(edid->edid)); 1951ed2cb32SGerd Hoffmann qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); 1961ed2cb32SGerd Hoffmann } 1971ed2cb32SGerd Hoffmann 1981ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g, 1991ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 2001ed2cb32SGerd Hoffmann { 2011ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid; 2021ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid; 20350d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g); 2041ed2cb32SGerd Hoffmann 2051ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid); 2061ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); 2071ed2cb32SGerd Hoffmann 20850d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) { 2091ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 2101ed2cb32SGerd Hoffmann return; 2111ed2cb32SGerd Hoffmann } 2121ed2cb32SGerd Hoffmann 2131ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout); 2141ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid)); 2151ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 2161ed2cb32SGerd Hoffmann virtio_gpu_generate_edid(g, get_edid.scanout, &edid); 2171ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); 2181ed2cb32SGerd Hoffmann } 2191ed2cb32SGerd Hoffmann 220c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat, 221c53f5b89STao Wu uint32_t width, uint32_t height) 222c53f5b89STao Wu { 223c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check. 224c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow. 225c53f5b89STao Wu */ 226c53f5b89STao Wu 227c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat); 228c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t); 229c53f5b89STao Wu return height * stride; 230c53f5b89STao Wu } 231c53f5b89STao Wu 23262232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g, 23362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 23462232bf4SGerd Hoffmann { 23562232bf4SGerd Hoffmann pixman_format_code_t pformat; 23662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 23762232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d; 23862232bf4SGerd Hoffmann 23962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d); 2401715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d)); 24162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format, 24262232bf4SGerd Hoffmann c2d.width, c2d.height); 24362232bf4SGerd Hoffmann 24462232bf4SGerd Hoffmann if (c2d.resource_id == 0) { 24562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n", 24662232bf4SGerd Hoffmann __func__); 24762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 24862232bf4SGerd Hoffmann return; 24962232bf4SGerd Hoffmann } 25062232bf4SGerd Hoffmann 25162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id); 25262232bf4SGerd Hoffmann if (res) { 25362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n", 25462232bf4SGerd Hoffmann __func__, c2d.resource_id); 25562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 25662232bf4SGerd Hoffmann return; 25762232bf4SGerd Hoffmann } 25862232bf4SGerd Hoffmann 25962232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 26062232bf4SGerd Hoffmann 26162232bf4SGerd Hoffmann res->width = c2d.width; 26262232bf4SGerd Hoffmann res->height = c2d.height; 26362232bf4SGerd Hoffmann res->format = c2d.format; 26462232bf4SGerd Hoffmann res->resource_id = c2d.resource_id; 26562232bf4SGerd Hoffmann 26683a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format); 26762232bf4SGerd Hoffmann if (!pformat) { 26862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 26962232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n", 27062232bf4SGerd Hoffmann __func__, c2d.format); 271cb3a0522SLi Qiang g_free(res); 27262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 27362232bf4SGerd Hoffmann return; 27462232bf4SGerd Hoffmann } 2759b7621bcSGerd Hoffmann 276c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height); 27750d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) { 27862232bf4SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 27962232bf4SGerd Hoffmann c2d.width, 28062232bf4SGerd Hoffmann c2d.height, 28162232bf4SGerd Hoffmann NULL, 0); 2829b7621bcSGerd Hoffmann } 28362232bf4SGerd Hoffmann 28462232bf4SGerd Hoffmann if (!res->image) { 28562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 28662232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n", 28762232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height); 28862232bf4SGerd Hoffmann g_free(res); 28962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; 29062232bf4SGerd Hoffmann return; 29162232bf4SGerd Hoffmann } 29262232bf4SGerd Hoffmann 29362232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 2949b7621bcSGerd Hoffmann g->hostmem += res->hostmem; 29562232bf4SGerd Hoffmann } 29662232bf4SGerd Hoffmann 297da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) 298da566a18SGerd Hoffmann { 29950d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id]; 300da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res; 301da566a18SGerd Hoffmann 302da566a18SGerd Hoffmann if (scanout->resource_id == 0) { 303da566a18SGerd Hoffmann return; 304da566a18SGerd Hoffmann } 305da566a18SGerd Hoffmann 306da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 307da566a18SGerd Hoffmann if (res) { 308da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id); 309da566a18SGerd Hoffmann } 310da566a18SGerd Hoffmann 311ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL); 312da566a18SGerd Hoffmann scanout->resource_id = 0; 313da566a18SGerd Hoffmann scanout->ds = NULL; 314da566a18SGerd Hoffmann scanout->width = 0; 315da566a18SGerd Hoffmann scanout->height = 0; 316da566a18SGerd Hoffmann } 317da566a18SGerd Hoffmann 31862232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g, 31962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res) 32062232bf4SGerd Hoffmann { 3211fccd7c5SGerd Hoffmann int i; 3221fccd7c5SGerd Hoffmann 3231fccd7c5SGerd Hoffmann if (res->scanout_bitmask) { 32450d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 3251fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) { 3261fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i); 3271fccd7c5SGerd Hoffmann } 3281fccd7c5SGerd Hoffmann } 3291fccd7c5SGerd Hoffmann } 3301fccd7c5SGerd Hoffmann 33162232bf4SGerd Hoffmann pixman_image_unref(res->image); 3323bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 33362232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next); 3349b7621bcSGerd Hoffmann g->hostmem -= res->hostmem; 33562232bf4SGerd Hoffmann g_free(res); 33662232bf4SGerd Hoffmann } 33762232bf4SGerd Hoffmann 33862232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g, 33962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 34062232bf4SGerd Hoffmann { 34162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 34262232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref; 34362232bf4SGerd Hoffmann 34462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref); 3451715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref)); 34662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id); 34762232bf4SGerd Hoffmann 34862232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id); 34962232bf4SGerd Hoffmann if (!res) { 35062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 35162232bf4SGerd Hoffmann __func__, unref.resource_id); 35262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 35362232bf4SGerd Hoffmann return; 35462232bf4SGerd Hoffmann } 35562232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 35662232bf4SGerd Hoffmann } 35762232bf4SGerd Hoffmann 35862232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g, 35962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 36062232bf4SGerd Hoffmann { 36162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 36262232bf4SGerd Hoffmann int h; 36362232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride; 36462232bf4SGerd Hoffmann int bpp; 36562232bf4SGerd Hoffmann pixman_format_code_t format; 36662232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d; 36762232bf4SGerd Hoffmann 36862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d); 3691715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d); 37062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id); 37162232bf4SGerd Hoffmann 37262232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, t2d.resource_id); 37362232bf4SGerd Hoffmann if (!res || !res->iov) { 37462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 37562232bf4SGerd Hoffmann __func__, t2d.resource_id); 37662232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 37762232bf4SGerd Hoffmann return; 37862232bf4SGerd Hoffmann } 37962232bf4SGerd Hoffmann 38062232bf4SGerd Hoffmann if (t2d.r.x > res->width || 38162232bf4SGerd Hoffmann t2d.r.y > res->height || 38262232bf4SGerd Hoffmann t2d.r.width > res->width || 38362232bf4SGerd Hoffmann t2d.r.height > res->height || 38462232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width || 38562232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) { 38662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource" 38762232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 38862232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y, 38962232bf4SGerd Hoffmann t2d.r.width, t2d.r.height, res->width, res->height); 39062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 39162232bf4SGerd Hoffmann return; 39262232bf4SGerd Hoffmann } 39362232bf4SGerd Hoffmann 39462232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 395e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 39662232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image); 39762232bf4SGerd Hoffmann 39862232bf4SGerd Hoffmann if (t2d.offset || t2d.r.x || t2d.r.y || 39962232bf4SGerd Hoffmann t2d.r.width != pixman_image_get_width(res->image)) { 40062232bf4SGerd Hoffmann void *img_data = pixman_image_get_data(res->image); 40162232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) { 40262232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h; 40362232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp); 40462232bf4SGerd Hoffmann 40562232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset, 40662232bf4SGerd Hoffmann (uint8_t *)img_data 40762232bf4SGerd Hoffmann + dst_offset, t2d.r.width * bpp); 40862232bf4SGerd Hoffmann } 40962232bf4SGerd Hoffmann } else { 41062232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, 0, 41162232bf4SGerd Hoffmann pixman_image_get_data(res->image), 41262232bf4SGerd Hoffmann pixman_image_get_stride(res->image) 41362232bf4SGerd Hoffmann * pixman_image_get_height(res->image)); 41462232bf4SGerd Hoffmann } 41562232bf4SGerd Hoffmann } 41662232bf4SGerd Hoffmann 41762232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g, 41862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 41962232bf4SGerd Hoffmann { 42062232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 42162232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf; 42262232bf4SGerd Hoffmann pixman_region16_t flush_region; 42362232bf4SGerd Hoffmann int i; 42462232bf4SGerd Hoffmann 42562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf); 4261715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf)); 42762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id, 42862232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y); 42962232bf4SGerd Hoffmann 43062232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, rf.resource_id); 43162232bf4SGerd Hoffmann if (!res) { 43262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 43362232bf4SGerd Hoffmann __func__, rf.resource_id); 43462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 43562232bf4SGerd Hoffmann return; 43662232bf4SGerd Hoffmann } 43762232bf4SGerd Hoffmann 43862232bf4SGerd Hoffmann if (rf.r.x > res->width || 43962232bf4SGerd Hoffmann rf.r.y > res->height || 44062232bf4SGerd Hoffmann rf.r.width > res->width || 44162232bf4SGerd Hoffmann rf.r.height > res->height || 44262232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width || 44362232bf4SGerd Hoffmann rf.r.y + rf.r.height > res->height) { 44462232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource" 44562232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n", 44662232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y, 44762232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height); 44862232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 44962232bf4SGerd Hoffmann return; 45062232bf4SGerd Hoffmann } 45162232bf4SGerd Hoffmann 45262232bf4SGerd Hoffmann pixman_region_init_rect(&flush_region, 45362232bf4SGerd Hoffmann rf.r.x, rf.r.y, rf.r.width, rf.r.height); 45450d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 45562232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 45662232bf4SGerd Hoffmann pixman_region16_t region, finalregion; 45762232bf4SGerd Hoffmann pixman_box16_t *extents; 45862232bf4SGerd Hoffmann 45962232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) { 46062232bf4SGerd Hoffmann continue; 46162232bf4SGerd Hoffmann } 46250d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 46362232bf4SGerd Hoffmann 46462232bf4SGerd Hoffmann pixman_region_init(&finalregion); 46562232bf4SGerd Hoffmann pixman_region_init_rect(®ion, scanout->x, scanout->y, 46662232bf4SGerd Hoffmann scanout->width, scanout->height); 46762232bf4SGerd Hoffmann 46862232bf4SGerd Hoffmann pixman_region_intersect(&finalregion, &flush_region, ®ion); 46962232bf4SGerd Hoffmann pixman_region_translate(&finalregion, -scanout->x, -scanout->y); 47062232bf4SGerd Hoffmann extents = pixman_region_extents(&finalregion); 47162232bf4SGerd Hoffmann /* work out the area we need to update for each console */ 47250d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con, 47362232bf4SGerd Hoffmann extents->x1, extents->y1, 47462232bf4SGerd Hoffmann extents->x2 - extents->x1, 47562232bf4SGerd Hoffmann extents->y2 - extents->y1); 47662232bf4SGerd Hoffmann 47762232bf4SGerd Hoffmann pixman_region_fini(®ion); 47862232bf4SGerd Hoffmann pixman_region_fini(&finalregion); 47962232bf4SGerd Hoffmann } 48062232bf4SGerd Hoffmann pixman_region_fini(&flush_region); 48162232bf4SGerd Hoffmann } 48262232bf4SGerd Hoffmann 483fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data) 484fa06e5cbSGerd Hoffmann { 485fa06e5cbSGerd Hoffmann pixman_image_unref(data); 486fa06e5cbSGerd Hoffmann } 487fa06e5cbSGerd Hoffmann 48862232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g, 48962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 49062232bf4SGerd Hoffmann { 491c806cfa0SGerd Hoffmann struct virtio_gpu_simple_resource *res, *ores; 49262232bf4SGerd Hoffmann struct virtio_gpu_scanout *scanout; 49362232bf4SGerd Hoffmann pixman_format_code_t format; 49462232bf4SGerd Hoffmann uint32_t offset; 49562232bf4SGerd Hoffmann int bpp; 49662232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss; 49762232bf4SGerd Hoffmann 49862232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss); 4991715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss)); 50062232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id, 50162232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y); 50262232bf4SGerd Hoffmann 50350d8e25eSMarc-André Lureau if (ss.scanout_id >= g->parent_obj.conf.max_outputs) { 504fe89fdebSMarc-André Lureau qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d", 505fe89fdebSMarc-André Lureau __func__, ss.scanout_id); 506fe89fdebSMarc-André Lureau cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; 507fe89fdebSMarc-André Lureau return; 508fe89fdebSMarc-André Lureau } 509fe89fdebSMarc-André Lureau 51050d8e25eSMarc-André Lureau g->parent_obj.enable = 1; 51162232bf4SGerd Hoffmann if (ss.resource_id == 0) { 512da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id); 51362232bf4SGerd Hoffmann return; 51462232bf4SGerd Hoffmann } 51562232bf4SGerd Hoffmann 51662232bf4SGerd Hoffmann /* create a surface for this scanout */ 51762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ss.resource_id); 51862232bf4SGerd Hoffmann if (!res) { 51962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 52062232bf4SGerd Hoffmann __func__, ss.resource_id); 52162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 52262232bf4SGerd Hoffmann return; 52362232bf4SGerd Hoffmann } 52462232bf4SGerd Hoffmann 52562232bf4SGerd Hoffmann if (ss.r.x > res->width || 52662232bf4SGerd Hoffmann ss.r.y > res->height || 527da35f7f1SGerd Hoffmann ss.r.width < 16 || 528da35f7f1SGerd Hoffmann ss.r.height < 16 || 52962232bf4SGerd Hoffmann ss.r.width > res->width || 53062232bf4SGerd Hoffmann ss.r.height > res->height || 53162232bf4SGerd Hoffmann ss.r.x + ss.r.width > res->width || 53262232bf4SGerd Hoffmann ss.r.y + ss.r.height > res->height) { 53362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" 53462232bf4SGerd Hoffmann " resource %d, (%d,%d)+%d,%d vs %d %d\n", 53562232bf4SGerd Hoffmann __func__, ss.scanout_id, ss.resource_id, ss.r.x, ss.r.y, 53662232bf4SGerd Hoffmann ss.r.width, ss.r.height, res->width, res->height); 53762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; 53862232bf4SGerd Hoffmann return; 53962232bf4SGerd Hoffmann } 54062232bf4SGerd Hoffmann 54150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[ss.scanout_id]; 54262232bf4SGerd Hoffmann 54362232bf4SGerd Hoffmann format = pixman_image_get_format(res->image); 544e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8); 54562232bf4SGerd Hoffmann offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image); 54662232bf4SGerd Hoffmann if (!scanout->ds || surface_data(scanout->ds) 54762232bf4SGerd Hoffmann != ((uint8_t *)pixman_image_get_data(res->image) + offset) || 54862232bf4SGerd Hoffmann scanout->width != ss.r.width || 54962232bf4SGerd Hoffmann scanout->height != ss.r.height) { 550fa06e5cbSGerd Hoffmann pixman_image_t *rect; 551fa06e5cbSGerd Hoffmann void *ptr = (uint8_t *)pixman_image_get_data(res->image) + offset; 552fa06e5cbSGerd Hoffmann rect = pixman_image_create_bits(format, ss.r.width, ss.r.height, ptr, 553fa06e5cbSGerd Hoffmann pixman_image_get_stride(res->image)); 554fa06e5cbSGerd Hoffmann pixman_image_ref(res->image); 555fa06e5cbSGerd Hoffmann pixman_image_set_destroy_function(rect, virtio_unref_resource, 556fa06e5cbSGerd Hoffmann res->image); 55762232bf4SGerd Hoffmann /* realloc the surface ptr */ 558fa06e5cbSGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(rect); 55962232bf4SGerd Hoffmann if (!scanout->ds) { 56062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 56162232bf4SGerd Hoffmann return; 56262232bf4SGerd Hoffmann } 563dd248ed7SLi Qiang pixman_image_unref(rect); 56450d8e25eSMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[ss.scanout_id].con, 56550d8e25eSMarc-André Lureau scanout->ds); 56662232bf4SGerd Hoffmann } 56762232bf4SGerd Hoffmann 568c806cfa0SGerd Hoffmann ores = virtio_gpu_find_resource(g, scanout->resource_id); 569c806cfa0SGerd Hoffmann if (ores) { 570c806cfa0SGerd Hoffmann ores->scanout_bitmask &= ~(1 << ss.scanout_id); 571c806cfa0SGerd Hoffmann } 572c806cfa0SGerd Hoffmann 57362232bf4SGerd Hoffmann res->scanout_bitmask |= (1 << ss.scanout_id); 57462232bf4SGerd Hoffmann scanout->resource_id = ss.resource_id; 57562232bf4SGerd Hoffmann scanout->x = ss.r.x; 57662232bf4SGerd Hoffmann scanout->y = ss.r.y; 57762232bf4SGerd Hoffmann scanout->width = ss.r.width; 57862232bf4SGerd Hoffmann scanout->height = ss.r.height; 57962232bf4SGerd Hoffmann } 58062232bf4SGerd Hoffmann 5813bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g, 5823bb68f79SGerd Hoffmann struct virtio_gpu_resource_attach_backing *ab, 58362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd, 5849049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov, 5859049f8bcSGerd Hoffmann uint32_t *niov) 58662232bf4SGerd Hoffmann { 58762232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents; 58862232bf4SGerd Hoffmann size_t esize, s; 5899049f8bcSGerd Hoffmann int e, v; 59062232bf4SGerd Hoffmann 59162232bf4SGerd Hoffmann if (ab->nr_entries > 16384) { 59262232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 5932c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n", 59462232bf4SGerd Hoffmann __func__, ab->nr_entries); 59562232bf4SGerd Hoffmann return -1; 59662232bf4SGerd Hoffmann } 59762232bf4SGerd Hoffmann 59862232bf4SGerd Hoffmann esize = sizeof(*ents) * ab->nr_entries; 59962232bf4SGerd Hoffmann ents = g_malloc(esize); 60062232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 60162232bf4SGerd Hoffmann sizeof(*ab), ents, esize); 60262232bf4SGerd Hoffmann if (s != esize) { 60362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 60462232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n", 60562232bf4SGerd Hoffmann __func__, s, esize); 60662232bf4SGerd Hoffmann g_free(ents); 60762232bf4SGerd Hoffmann return -1; 60862232bf4SGerd Hoffmann } 60962232bf4SGerd Hoffmann 6109049f8bcSGerd Hoffmann *iov = NULL; 6110c244e50SGerd Hoffmann if (addr) { 6129049f8bcSGerd Hoffmann *addr = NULL; 6130c244e50SGerd Hoffmann } 6149049f8bcSGerd Hoffmann for (e = 0, v = 0; e < ab->nr_entries; e++) { 6159049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr); 6169049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length); 6179049f8bcSGerd Hoffmann hwaddr len; 6189049f8bcSGerd Hoffmann void *map; 6199049f8bcSGerd Hoffmann 6209049f8bcSGerd Hoffmann do { 6219049f8bcSGerd Hoffmann len = l; 6229049f8bcSGerd Hoffmann map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 6238da132a5SGerd Hoffmann a, &len, DMA_DIRECTION_TO_DEVICE); 6249049f8bcSGerd Hoffmann if (!map) { 62562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for" 62662232bf4SGerd Hoffmann " resource %d element %d\n", 6279049f8bcSGerd Hoffmann __func__, ab->resource_id, e); 6289049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v); 62962232bf4SGerd Hoffmann g_free(ents); 63062232bf4SGerd Hoffmann *iov = NULL; 6310c244e50SGerd Hoffmann if (addr) { 6320c244e50SGerd Hoffmann g_free(*addr); 6330c244e50SGerd Hoffmann *addr = NULL; 6340c244e50SGerd Hoffmann } 63562232bf4SGerd Hoffmann return -1; 63662232bf4SGerd Hoffmann } 6379049f8bcSGerd Hoffmann 6389049f8bcSGerd Hoffmann if (!(v % 16)) { 6399049f8bcSGerd Hoffmann *iov = g_realloc(*iov, sizeof(struct iovec) * (v + 16)); 6409049f8bcSGerd Hoffmann if (addr) { 6419049f8bcSGerd Hoffmann *addr = g_realloc(*addr, sizeof(uint64_t) * (v + 16)); 64262232bf4SGerd Hoffmann } 6439049f8bcSGerd Hoffmann } 6449049f8bcSGerd Hoffmann (*iov)[v].iov_base = map; 6459049f8bcSGerd Hoffmann (*iov)[v].iov_len = len; 6469049f8bcSGerd Hoffmann if (addr) { 6479049f8bcSGerd Hoffmann (*addr)[v] = a; 6489049f8bcSGerd Hoffmann } 6499049f8bcSGerd Hoffmann 6509049f8bcSGerd Hoffmann a += len; 6519049f8bcSGerd Hoffmann l -= len; 6529049f8bcSGerd Hoffmann v += 1; 6539049f8bcSGerd Hoffmann } while (l > 0); 6549049f8bcSGerd Hoffmann } 6559049f8bcSGerd Hoffmann *niov = v; 6569049f8bcSGerd Hoffmann 65762232bf4SGerd Hoffmann g_free(ents); 65862232bf4SGerd Hoffmann return 0; 65962232bf4SGerd Hoffmann } 66062232bf4SGerd Hoffmann 6613bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g, 6623bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count) 66362232bf4SGerd Hoffmann { 66462232bf4SGerd Hoffmann int i; 66562232bf4SGerd Hoffmann 66662232bf4SGerd Hoffmann for (i = 0; i < count; i++) { 6678da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 6688da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len, 6698da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 67062232bf4SGerd Hoffmann iov[i].iov_len); 67162232bf4SGerd Hoffmann } 6727f3be0f2SGerd Hoffmann g_free(iov); 67362232bf4SGerd Hoffmann } 67462232bf4SGerd Hoffmann 6753bb68f79SGerd Hoffmann static void virtio_gpu_cleanup_mapping(VirtIOGPU *g, 6763bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res) 67762232bf4SGerd Hoffmann { 6783bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt); 67962232bf4SGerd Hoffmann res->iov = NULL; 68062232bf4SGerd Hoffmann res->iov_cnt = 0; 6810c244e50SGerd Hoffmann g_free(res->addrs); 6820c244e50SGerd Hoffmann res->addrs = NULL; 68362232bf4SGerd Hoffmann } 68462232bf4SGerd Hoffmann 68562232bf4SGerd Hoffmann static void 68662232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g, 68762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 68862232bf4SGerd Hoffmann { 68962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 69062232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab; 69162232bf4SGerd Hoffmann int ret; 69262232bf4SGerd Hoffmann 69362232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab); 6941715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab)); 69562232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id); 69662232bf4SGerd Hoffmann 69762232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id); 69862232bf4SGerd Hoffmann if (!res) { 69962232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 70062232bf4SGerd Hoffmann __func__, ab.resource_id); 70162232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 70262232bf4SGerd Hoffmann return; 70362232bf4SGerd Hoffmann } 70462232bf4SGerd Hoffmann 705204f01b3SLi Qiang if (res->iov) { 706204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 707204f01b3SLi Qiang return; 708204f01b3SLi Qiang } 709204f01b3SLi Qiang 7109049f8bcSGerd Hoffmann ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, 7119049f8bcSGerd Hoffmann &res->iov, &res->iov_cnt); 71262232bf4SGerd Hoffmann if (ret != 0) { 71362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 71462232bf4SGerd Hoffmann return; 71562232bf4SGerd Hoffmann } 71662232bf4SGerd Hoffmann } 71762232bf4SGerd Hoffmann 71862232bf4SGerd Hoffmann static void 71962232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g, 72062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 72162232bf4SGerd Hoffmann { 72262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res; 72362232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach; 72462232bf4SGerd Hoffmann 72562232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach); 7261715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach)); 72762232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id); 72862232bf4SGerd Hoffmann 72962232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, detach.resource_id); 73062232bf4SGerd Hoffmann if (!res || !res->iov) { 73162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n", 73262232bf4SGerd Hoffmann __func__, detach.resource_id); 73362232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; 73462232bf4SGerd Hoffmann return; 73562232bf4SGerd Hoffmann } 7363bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 73762232bf4SGerd Hoffmann } 73862232bf4SGerd Hoffmann 7392f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g, 74062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd) 74162232bf4SGerd Hoffmann { 74262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); 7431715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr); 74462232bf4SGerd Hoffmann 74562232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) { 74662232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: 74762232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd); 74862232bf4SGerd Hoffmann break; 7491ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID: 7501ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd); 7511ed2cb32SGerd Hoffmann break; 75262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: 75362232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd); 75462232bf4SGerd Hoffmann break; 75562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF: 75662232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd); 75762232bf4SGerd Hoffmann break; 75862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH: 75962232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd); 76062232bf4SGerd Hoffmann break; 76162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: 76262232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd); 76362232bf4SGerd Hoffmann break; 76462232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT: 76562232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd); 76662232bf4SGerd Hoffmann break; 76762232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING: 76862232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd); 76962232bf4SGerd Hoffmann break; 77062232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING: 77162232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd); 77262232bf4SGerd Hoffmann break; 77362232bf4SGerd Hoffmann default: 77462232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; 77562232bf4SGerd Hoffmann break; 77662232bf4SGerd Hoffmann } 77762232bf4SGerd Hoffmann if (!cmd->finished) { 77862232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error : 77962232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA); 78062232bf4SGerd Hoffmann } 78162232bf4SGerd Hoffmann } 78262232bf4SGerd Hoffmann 78362232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq) 78462232bf4SGerd Hoffmann { 78562232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 78662232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh); 78762232bf4SGerd Hoffmann } 78862232bf4SGerd Hoffmann 78962232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq) 79062232bf4SGerd Hoffmann { 79162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 79262232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh); 79362232bf4SGerd Hoffmann } 79462232bf4SGerd Hoffmann 7950c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g) 7963eb769fdSGerd Hoffmann { 7973eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 7982f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 7993eb769fdSGerd Hoffmann 800f8f3c271SMarc-André Lureau if (g->processing_cmdq) { 801f8f3c271SMarc-André Lureau return; 802f8f3c271SMarc-André Lureau } 803f8f3c271SMarc-André Lureau g->processing_cmdq = true; 8043eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 8053eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 8063eb769fdSGerd Hoffmann 80750d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) { 8080c55a1cfSGerd Hoffmann break; 8090c55a1cfSGerd Hoffmann } 810ad341aacSMarc-André Lureau 811ad341aacSMarc-André Lureau /* process command */ 8122f47691aSGerd Hoffmann vgc->process_cmd(g, cmd); 813ad341aacSMarc-André Lureau 8143eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 81550d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8163eb769fdSGerd Hoffmann g->stats.requests++; 8173eb769fdSGerd Hoffmann } 8183eb769fdSGerd Hoffmann 8193eb769fdSGerd Hoffmann if (!cmd->finished) { 8203eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next); 8213eb769fdSGerd Hoffmann g->inflight++; 82250d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { 8233eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) { 8243eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight; 8253eb769fdSGerd Hoffmann } 8263eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight); 8273eb769fdSGerd Hoffmann } 8283eb769fdSGerd Hoffmann } else { 8293eb769fdSGerd Hoffmann g_free(cmd); 8303eb769fdSGerd Hoffmann } 8313eb769fdSGerd Hoffmann } 832f8f3c271SMarc-André Lureau g->processing_cmdq = false; 8333eb769fdSGerd Hoffmann } 8343eb769fdSGerd Hoffmann 83562232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) 83662232bf4SGerd Hoffmann { 83762232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 83862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 83962232bf4SGerd Hoffmann 84062232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 84162232bf4SGerd Hoffmann return; 84262232bf4SGerd Hoffmann } 84362232bf4SGerd Hoffmann 84451b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 84551b19ebeSPaolo Bonzini while (cmd) { 84662232bf4SGerd Hoffmann cmd->vq = vq; 84762232bf4SGerd Hoffmann cmd->error = 0; 84862232bf4SGerd Hoffmann cmd->finished = false; 8493eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); 85051b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); 85162232bf4SGerd Hoffmann } 8529d9e1521SGerd Hoffmann 8533eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g); 85462232bf4SGerd Hoffmann } 85562232bf4SGerd Hoffmann 85662232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque) 85762232bf4SGerd Hoffmann { 85862232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 859cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g); 860cabbe8e5SGerd Hoffmann 861cabbe8e5SGerd Hoffmann vgc->handle_ctrl(&g->parent_obj.parent_obj, g->ctrl_vq); 86262232bf4SGerd Hoffmann } 86362232bf4SGerd Hoffmann 86462232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq) 86562232bf4SGerd Hoffmann { 86662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 86751b19ebeSPaolo Bonzini VirtQueueElement *elem; 86862232bf4SGerd Hoffmann size_t s; 86962232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info; 87062232bf4SGerd Hoffmann 87162232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) { 87262232bf4SGerd Hoffmann return; 87362232bf4SGerd Hoffmann } 87451b19ebeSPaolo Bonzini for (;;) { 87551b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); 87651b19ebeSPaolo Bonzini if (!elem) { 87751b19ebeSPaolo Bonzini break; 87851b19ebeSPaolo Bonzini } 87951b19ebeSPaolo Bonzini 88051b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0, 88162232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info)); 88262232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) { 88362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, 88462232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n", 88562232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info)); 88662232bf4SGerd Hoffmann } else { 8871715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info)); 88862232bf4SGerd Hoffmann update_cursor(g, &cursor_info); 88962232bf4SGerd Hoffmann } 89051b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0); 89162232bf4SGerd Hoffmann virtio_notify(vdev, vq); 89251b19ebeSPaolo Bonzini g_free(elem); 89362232bf4SGerd Hoffmann } 89462232bf4SGerd Hoffmann } 89562232bf4SGerd Hoffmann 89662232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque) 89762232bf4SGerd Hoffmann { 89862232bf4SGerd Hoffmann VirtIOGPU *g = opaque; 89950d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq); 90062232bf4SGerd Hoffmann } 90162232bf4SGerd Hoffmann 9020c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = { 9030c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout", 9040c244e50SGerd Hoffmann .version_id = 1, 9050c244e50SGerd Hoffmann .fields = (VMStateField[]) { 9060c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout), 9070c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout), 9080c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout), 9090c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout), 9100c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout), 9110c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout), 9120c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout), 9130c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout), 9140c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout), 9150c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout), 9160c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9170c244e50SGerd Hoffmann }, 9180c244e50SGerd Hoffmann }; 9190c244e50SGerd Hoffmann 9200c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = { 9210c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts", 9220c244e50SGerd Hoffmann .version_id = 1, 9230c244e50SGerd Hoffmann .fields = (VMStateField[]) { 92450d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU), 92550d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs, 92650d8e25eSMarc-André Lureau struct VirtIOGPU, NULL), 92750d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU, 92850d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1, 9290c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout, 9300c244e50SGerd Hoffmann struct virtio_gpu_scanout), 9310c244e50SGerd Hoffmann VMSTATE_END_OF_LIST() 9320c244e50SGerd Hoffmann }, 9330c244e50SGerd Hoffmann }; 9340c244e50SGerd Hoffmann 9352c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size, 9363ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc) 9370c244e50SGerd Hoffmann { 9380c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9390c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9400c244e50SGerd Hoffmann int i; 9410c244e50SGerd Hoffmann 9420c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */ 9430c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq)); 9440c244e50SGerd Hoffmann 9450c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) { 9460c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id); 9470c244e50SGerd Hoffmann qemu_put_be32(f, res->width); 9480c244e50SGerd Hoffmann qemu_put_be32(f, res->height); 9490c244e50SGerd Hoffmann qemu_put_be32(f, res->format); 9500c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt); 9510c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 9520c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]); 9530c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len); 9540c244e50SGerd Hoffmann } 9550c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image), 9560c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 9570c244e50SGerd Hoffmann } 9580c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */ 9590c244e50SGerd Hoffmann 9602f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL); 9610c244e50SGerd Hoffmann } 9620c244e50SGerd Hoffmann 9632c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, 96403fee66fSMarc-André Lureau const VMStateField *field) 9650c244e50SGerd Hoffmann { 9660c244e50SGerd Hoffmann VirtIOGPU *g = opaque; 9670c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res; 9680c244e50SGerd Hoffmann struct virtio_gpu_scanout *scanout; 9690c244e50SGerd Hoffmann uint32_t resource_id, pformat; 9708a502efdSHalil Pasic int i; 9710c244e50SGerd Hoffmann 972039aa5dbSPeter Maydell g->hostmem = 0; 973039aa5dbSPeter Maydell 9740c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 9750c244e50SGerd Hoffmann while (resource_id != 0) { 976b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id); 977b0ee78ffSLi Qiang if (res) { 978b0ee78ffSLi Qiang return -EINVAL; 979b0ee78ffSLi Qiang } 980b0ee78ffSLi Qiang 9810c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1); 9820c244e50SGerd Hoffmann res->resource_id = resource_id; 9830c244e50SGerd Hoffmann res->width = qemu_get_be32(f); 9840c244e50SGerd Hoffmann res->height = qemu_get_be32(f); 9850c244e50SGerd Hoffmann res->format = qemu_get_be32(f); 9860c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f); 9870c244e50SGerd Hoffmann 9880c244e50SGerd Hoffmann /* allocate */ 98983a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format); 9900c244e50SGerd Hoffmann if (!pformat) { 991c84f0f25SPeter Maydell g_free(res); 9920c244e50SGerd Hoffmann return -EINVAL; 9930c244e50SGerd Hoffmann } 9940c244e50SGerd Hoffmann res->image = pixman_image_create_bits(pformat, 9950c244e50SGerd Hoffmann res->width, res->height, 9960c244e50SGerd Hoffmann NULL, 0); 9970c244e50SGerd Hoffmann if (!res->image) { 998c84f0f25SPeter Maydell g_free(res); 9990c244e50SGerd Hoffmann return -EINVAL; 10000c244e50SGerd Hoffmann } 10010c244e50SGerd Hoffmann 1002c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, res->width, res->height); 1003039aa5dbSPeter Maydell 10040c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt); 10050c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt); 10060c244e50SGerd Hoffmann 10070c244e50SGerd Hoffmann /* read data */ 10080c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10090c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f); 10100c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f); 10110c244e50SGerd Hoffmann } 10120c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), 10130c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height); 10140c244e50SGerd Hoffmann 10150c244e50SGerd Hoffmann /* restore mapping */ 10160c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) { 10170c244e50SGerd Hoffmann hwaddr len = res->iov[i].iov_len; 10180c244e50SGerd Hoffmann res->iov[i].iov_base = 10198da132a5SGerd Hoffmann dma_memory_map(VIRTIO_DEVICE(g)->dma_as, 10208da132a5SGerd Hoffmann res->addrs[i], &len, DMA_DIRECTION_TO_DEVICE); 10213bb68f79SGerd Hoffmann 10220c244e50SGerd Hoffmann if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { 1023c84f0f25SPeter Maydell /* Clean up the half-a-mapping we just created... */ 1024c84f0f25SPeter Maydell if (res->iov[i].iov_base) { 10258da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, 10268da132a5SGerd Hoffmann res->iov[i].iov_base, 1027a7f85e03SGerd Hoffmann len, 10288da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE, 1029a7f85e03SGerd Hoffmann 0); 1030c84f0f25SPeter Maydell } 1031c84f0f25SPeter Maydell /* ...and the mappings for previous loop iterations */ 1032c84f0f25SPeter Maydell res->iov_cnt = i; 10333bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res); 1034c84f0f25SPeter Maydell pixman_image_unref(res->image); 1035c84f0f25SPeter Maydell g_free(res); 10360c244e50SGerd Hoffmann return -EINVAL; 10370c244e50SGerd Hoffmann } 10380c244e50SGerd Hoffmann } 10390c244e50SGerd Hoffmann 10400c244e50SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next); 1041039aa5dbSPeter Maydell g->hostmem += res->hostmem; 10420c244e50SGerd Hoffmann 10430c244e50SGerd Hoffmann resource_id = qemu_get_be32(f); 10440c244e50SGerd Hoffmann } 10450c244e50SGerd Hoffmann 10460c244e50SGerd Hoffmann /* load & apply scanout state */ 10470c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); 104850d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) { 104950d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i]; 10500c244e50SGerd Hoffmann if (!scanout->resource_id) { 10510c244e50SGerd Hoffmann continue; 10520c244e50SGerd Hoffmann } 10530c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id); 10540c244e50SGerd Hoffmann if (!res) { 10550c244e50SGerd Hoffmann return -EINVAL; 10560c244e50SGerd Hoffmann } 10570c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image); 10580c244e50SGerd Hoffmann if (!scanout->ds) { 10590c244e50SGerd Hoffmann return -EINVAL; 10600c244e50SGerd Hoffmann } 10610c244e50SGerd Hoffmann 10620c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds); 106391155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con); 106410750ee0SGerd Hoffmann if (scanout->cursor.resource_id) { 10650c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor); 106610750ee0SGerd Hoffmann } 10670c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i); 10680c244e50SGerd Hoffmann } 10690c244e50SGerd Hoffmann 10700c244e50SGerd Hoffmann return 0; 10710c244e50SGerd Hoffmann } 10720c244e50SGerd Hoffmann 107337f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) 107462232bf4SGerd Hoffmann { 107562232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev); 107662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev); 10779d9e1521SGerd Hoffmann 107850d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev, 107950d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb, 108050d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb, 108150d8e25eSMarc-André Lureau errp)) { 1082fe44dc91SAshijeet Acharya return; 1083fe44dc91SAshijeet Acharya } 1084fe44dc91SAshijeet Acharya 108550d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0); 108650d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1); 108762232bf4SGerd Hoffmann g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g); 108862232bf4SGerd Hoffmann g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g); 108962232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist); 10903eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq); 109162232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq); 109262232bf4SGerd Hoffmann } 109362232bf4SGerd Hoffmann 109476fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev) 109562232bf4SGerd Hoffmann { 109662232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev); 109762232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res, *tmp; 1098dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd; 109962232bf4SGerd Hoffmann 110062232bf4SGerd Hoffmann QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) { 110162232bf4SGerd Hoffmann virtio_gpu_resource_destroy(g, res); 110262232bf4SGerd Hoffmann } 11039d9e1521SGerd Hoffmann 1104dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) { 1105dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq); 1106dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next); 1107dc84ed5bSGerd Hoffmann g_free(cmd); 1108dc84ed5bSGerd Hoffmann } 1109dc84ed5bSGerd Hoffmann 1110dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) { 1111dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq); 1112dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next); 1113dc84ed5bSGerd Hoffmann g->inflight--; 1114dc84ed5bSGerd Hoffmann g_free(cmd); 1115dc84ed5bSGerd Hoffmann } 1116dc84ed5bSGerd Hoffmann 111750d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 111850d8e25eSMarc-André Lureau } 111950d8e25eSMarc-André Lureau 112050d8e25eSMarc-André Lureau static void 112150d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config) 112250d8e25eSMarc-André Lureau { 112350d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 112450d8e25eSMarc-André Lureau 112550d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config)); 112650d8e25eSMarc-André Lureau } 112750d8e25eSMarc-André Lureau 112850d8e25eSMarc-André Lureau static void 112950d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config) 113050d8e25eSMarc-André Lureau { 113150d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev); 113250d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig = 113350d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config; 113450d8e25eSMarc-André Lureau 113550d8e25eSMarc-André Lureau if (vgconfig->events_clear) { 113650d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear; 113750d8e25eSMarc-André Lureau } 113862232bf4SGerd Hoffmann } 113962232bf4SGerd Hoffmann 11408a502efdSHalil Pasic /* 11418a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration 11428a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no 11438a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data 11448a502efdSHalil Pasic * is saved/loaded after the core data. 11458a502efdSHalil Pasic * 11468a502efdSHalil Pasic * Because of this we need a special vmsd. 11478a502efdSHalil Pasic */ 11488a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = { 11498a502efdSHalil Pasic .name = "virtio-gpu", 11508a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION, 11518a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION, 11528a502efdSHalil Pasic .fields = (VMStateField[]) { 11538a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */, 11548a502efdSHalil Pasic { 11558a502efdSHalil Pasic .name = "virtio-gpu", 11568a502efdSHalil Pasic .info = &(const VMStateInfo) { 11578a502efdSHalil Pasic .name = "virtio-gpu", 11588a502efdSHalil Pasic .get = virtio_gpu_load, 11598a502efdSHalil Pasic .put = virtio_gpu_save, 11608a502efdSHalil Pasic }, 11618a502efdSHalil Pasic .flags = VMS_SINGLE, 11628a502efdSHalil Pasic } /* device */, 11638a502efdSHalil Pasic VMSTATE_END_OF_LIST() 11648a502efdSHalil Pasic }, 11658a502efdSHalil Pasic }; 11660fc07498SDr. David Alan Gilbert 116762232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = { 116850d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf), 116950d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem, 117050d8e25eSMarc-André Lureau 256 * MiB), 117162232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 117262232bf4SGerd Hoffmann }; 117362232bf4SGerd Hoffmann 117462232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data) 117562232bf4SGerd Hoffmann { 117662232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 117762232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 1178cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass); 117962232bf4SGerd Hoffmann 1180cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl; 11812f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd; 1182*2c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data; 1183cabbe8e5SGerd Hoffmann 118462232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize; 118550d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset; 118662232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config; 118762232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config; 118862232bf4SGerd Hoffmann 11890fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu; 11904f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties); 119162232bf4SGerd Hoffmann } 119262232bf4SGerd Hoffmann 119362232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = { 119462232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU, 119550d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE, 119662232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU), 1197cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass), 119862232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init, 119962232bf4SGerd Hoffmann }; 120062232bf4SGerd Hoffmann 120162232bf4SGerd Hoffmann static void virtio_register_types(void) 120262232bf4SGerd Hoffmann { 120362232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info); 120462232bf4SGerd Hoffmann } 120562232bf4SGerd Hoffmann 120662232bf4SGerd Hoffmann type_init(virtio_register_types) 1207