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"
17a41e2d97SMarc-André Lureau #include "sysemu/cpus.h"
1862232bf4SGerd Hoffmann #include "ui/console.h"
19a200d53bSMarc-André Lureau #include "ui/rect.h"
2062232bf4SGerd Hoffmann #include "trace.h"
218da132a5SGerd Hoffmann #include "sysemu/dma.h"
222f780b6aSMarkus Armbruster #include "sysemu/sysemu.h"
2362232bf4SGerd Hoffmann #include "hw/virtio/virtio.h"
24ca77ee28SMarkus Armbruster #include "migration/qemu-file-types.h"
2562232bf4SGerd Hoffmann #include "hw/virtio/virtio-gpu.h"
26ad08e67aSMarc-André Lureau #include "hw/virtio/virtio-gpu-bswap.h"
2783a7d3c0SMarc-André Lureau #include "hw/virtio/virtio-gpu-pixman.h"
2862232bf4SGerd Hoffmann #include "hw/virtio/virtio-bus.h"
29a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h"
3003dd024fSPaolo Bonzini #include "qemu/log.h"
310b8fa32fSMarkus Armbruster #include "qemu/module.h"
325e3d741cSMarc-André Lureau #include "qapi/error.h"
3350d8e25eSMarc-André Lureau #include "qemu/error-report.h"
3462232bf4SGerd Hoffmann
350c244e50SGerd Hoffmann #define VIRTIO_GPU_VM_VERSION 1
360c244e50SGerd Hoffmann
3762232bf4SGerd Hoffmann static struct virtio_gpu_simple_resource *
3825c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
3925c001a4SVivek Kasireddy bool require_backing,
4025c001a4SVivek Kasireddy const char *caller, uint32_t *error);
4162232bf4SGerd Hoffmann
42a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque);
43b8e23926SLi Qiang
virtio_gpu_update_cursor_data(VirtIOGPU * g,struct virtio_gpu_scanout * s,uint32_t resource_id)442c267d66SGerd Hoffmann void virtio_gpu_update_cursor_data(VirtIOGPU *g,
4562232bf4SGerd Hoffmann struct virtio_gpu_scanout *s,
4662232bf4SGerd Hoffmann uint32_t resource_id)
4762232bf4SGerd Hoffmann {
4862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
4962232bf4SGerd Hoffmann uint32_t pixels;
50bdd53f73SVivek Kasireddy void *data;
5162232bf4SGerd Hoffmann
5225c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, resource_id, false,
5325c001a4SVivek Kasireddy __func__, NULL);
5462232bf4SGerd Hoffmann if (!res) {
5562232bf4SGerd Hoffmann return;
5662232bf4SGerd Hoffmann }
5762232bf4SGerd Hoffmann
58bdd53f73SVivek Kasireddy if (res->blob_size) {
59bdd53f73SVivek Kasireddy if (res->blob_size < (s->current_cursor->width *
60bdd53f73SVivek Kasireddy s->current_cursor->height * 4)) {
61bdd53f73SVivek Kasireddy return;
62bdd53f73SVivek Kasireddy }
63bdd53f73SVivek Kasireddy data = res->blob;
64bdd53f73SVivek Kasireddy } else {
6562232bf4SGerd Hoffmann if (pixman_image_get_width(res->image) != s->current_cursor->width ||
6662232bf4SGerd Hoffmann pixman_image_get_height(res->image) != s->current_cursor->height) {
6762232bf4SGerd Hoffmann return;
6862232bf4SGerd Hoffmann }
69bdd53f73SVivek Kasireddy data = pixman_image_get_data(res->image);
70bdd53f73SVivek Kasireddy }
7162232bf4SGerd Hoffmann
7262232bf4SGerd Hoffmann pixels = s->current_cursor->width * s->current_cursor->height;
73bdd53f73SVivek Kasireddy memcpy(s->current_cursor->data, data,
7462232bf4SGerd Hoffmann pixels * sizeof(uint32_t));
7562232bf4SGerd Hoffmann }
7662232bf4SGerd Hoffmann
update_cursor(VirtIOGPU * g,struct virtio_gpu_update_cursor * cursor)7762232bf4SGerd Hoffmann static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
7862232bf4SGerd Hoffmann {
7962232bf4SGerd Hoffmann struct virtio_gpu_scanout *s;
802c267d66SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
810c244e50SGerd Hoffmann bool move = cursor->hdr.type == VIRTIO_GPU_CMD_MOVE_CURSOR;
8262232bf4SGerd Hoffmann
8350d8e25eSMarc-André Lureau if (cursor->pos.scanout_id >= g->parent_obj.conf.max_outputs) {
8462232bf4SGerd Hoffmann return;
8562232bf4SGerd Hoffmann }
8650d8e25eSMarc-André Lureau s = &g->parent_obj.scanout[cursor->pos.scanout_id];
8762232bf4SGerd Hoffmann
88e9c1b459SGerd Hoffmann trace_virtio_gpu_update_cursor(cursor->pos.scanout_id,
89e9c1b459SGerd Hoffmann cursor->pos.x,
90e9c1b459SGerd Hoffmann cursor->pos.y,
91e9c1b459SGerd Hoffmann move ? "move" : "update",
92e9c1b459SGerd Hoffmann cursor->resource_id);
93e9c1b459SGerd Hoffmann
940c244e50SGerd Hoffmann if (!move) {
9562232bf4SGerd Hoffmann if (!s->current_cursor) {
9662232bf4SGerd Hoffmann s->current_cursor = cursor_alloc(64, 64);
9762232bf4SGerd Hoffmann }
9862232bf4SGerd Hoffmann
9962232bf4SGerd Hoffmann s->current_cursor->hot_x = cursor->hot_x;
10062232bf4SGerd Hoffmann s->current_cursor->hot_y = cursor->hot_y;
10162232bf4SGerd Hoffmann
10262232bf4SGerd Hoffmann if (cursor->resource_id > 0) {
1032c267d66SGerd Hoffmann vgc->update_cursor_data(g, s, cursor->resource_id);
10462232bf4SGerd Hoffmann }
10562232bf4SGerd Hoffmann dpy_cursor_define(s->con, s->current_cursor);
1060c244e50SGerd Hoffmann
1070c244e50SGerd Hoffmann s->cursor = *cursor;
1080c244e50SGerd Hoffmann } else {
1090c244e50SGerd Hoffmann s->cursor.pos.x = cursor->pos.x;
1100c244e50SGerd Hoffmann s->cursor.pos.y = cursor->pos.y;
11162232bf4SGerd Hoffmann }
11262232bf4SGerd Hoffmann dpy_mouse_set(s->con, cursor->pos.x, cursor->pos.y,
11362232bf4SGerd Hoffmann cursor->resource_id ? 1 : 0);
11462232bf4SGerd Hoffmann }
11562232bf4SGerd Hoffmann
11649a8b659SAntonio Caggiano struct virtio_gpu_simple_resource *
virtio_gpu_find_resource(VirtIOGPU * g,uint32_t resource_id)11762232bf4SGerd Hoffmann virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id)
11862232bf4SGerd Hoffmann {
11962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
12062232bf4SGerd Hoffmann
12162232bf4SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) {
12262232bf4SGerd Hoffmann if (res->resource_id == resource_id) {
12362232bf4SGerd Hoffmann return res;
12462232bf4SGerd Hoffmann }
12562232bf4SGerd Hoffmann }
12662232bf4SGerd Hoffmann return NULL;
12762232bf4SGerd Hoffmann }
12862232bf4SGerd Hoffmann
12925c001a4SVivek Kasireddy static struct virtio_gpu_simple_resource *
virtio_gpu_find_check_resource(VirtIOGPU * g,uint32_t resource_id,bool require_backing,const char * caller,uint32_t * error)13025c001a4SVivek Kasireddy virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
13125c001a4SVivek Kasireddy bool require_backing,
13225c001a4SVivek Kasireddy const char *caller, uint32_t *error)
13325c001a4SVivek Kasireddy {
13425c001a4SVivek Kasireddy struct virtio_gpu_simple_resource *res;
13525c001a4SVivek Kasireddy
13625c001a4SVivek Kasireddy res = virtio_gpu_find_resource(g, resource_id);
13725c001a4SVivek Kasireddy if (!res) {
13825c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid resource specified %d\n",
13925c001a4SVivek Kasireddy caller, resource_id);
14025c001a4SVivek Kasireddy if (error) {
14125c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
14225c001a4SVivek Kasireddy }
14325c001a4SVivek Kasireddy return NULL;
14425c001a4SVivek Kasireddy }
14525c001a4SVivek Kasireddy
14625c001a4SVivek Kasireddy if (require_backing) {
147e0933d91SVivek Kasireddy if (!res->iov || (!res->image && !res->blob)) {
14825c001a4SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: no backing storage %d\n",
14925c001a4SVivek Kasireddy caller, resource_id);
15025c001a4SVivek Kasireddy if (error) {
15125c001a4SVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_UNSPEC;
15225c001a4SVivek Kasireddy }
15325c001a4SVivek Kasireddy return NULL;
15425c001a4SVivek Kasireddy }
15525c001a4SVivek Kasireddy }
15625c001a4SVivek Kasireddy
15725c001a4SVivek Kasireddy return res;
15825c001a4SVivek Kasireddy }
15925c001a4SVivek Kasireddy
virtio_gpu_ctrl_response(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd,struct virtio_gpu_ctrl_hdr * resp,size_t resp_len)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
virtio_gpu_ctrl_response_nodata(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd,enum virtio_gpu_ctrl_type type)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
virtio_gpu_get_display_info(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)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
virtio_gpu_get_edid(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)2081ed2cb32SGerd Hoffmann void virtio_gpu_get_edid(VirtIOGPU *g,
2091ed2cb32SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
2101ed2cb32SGerd Hoffmann {
2111ed2cb32SGerd Hoffmann struct virtio_gpu_resp_edid edid;
2121ed2cb32SGerd Hoffmann struct virtio_gpu_cmd_get_edid get_edid;
21350d8e25eSMarc-André Lureau VirtIOGPUBase *b = VIRTIO_GPU_BASE(g);
2141ed2cb32SGerd Hoffmann
2151ed2cb32SGerd Hoffmann VIRTIO_GPU_FILL_CMD(get_edid);
2161ed2cb32SGerd Hoffmann virtio_gpu_bswap_32(&get_edid, sizeof(get_edid));
2171ed2cb32SGerd Hoffmann
21850d8e25eSMarc-André Lureau if (get_edid.scanout >= b->conf.max_outputs) {
2191ed2cb32SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
2201ed2cb32SGerd Hoffmann return;
2211ed2cb32SGerd Hoffmann }
2221ed2cb32SGerd Hoffmann
2231ed2cb32SGerd Hoffmann trace_virtio_gpu_cmd_get_edid(get_edid.scanout);
2241ed2cb32SGerd Hoffmann memset(&edid, 0, sizeof(edid));
2251ed2cb32SGerd Hoffmann edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID;
226ee3729d9SErico Nunes virtio_gpu_base_generate_edid(VIRTIO_GPU_BASE(g), get_edid.scanout, &edid);
2271ed2cb32SGerd Hoffmann virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid));
2281ed2cb32SGerd Hoffmann }
2291ed2cb32SGerd Hoffmann
calc_image_hostmem(pixman_format_code_t pformat,uint32_t width,uint32_t height)230c53f5b89STao Wu static uint32_t calc_image_hostmem(pixman_format_code_t pformat,
231c53f5b89STao Wu uint32_t width, uint32_t height)
232c53f5b89STao Wu {
233c53f5b89STao Wu /* Copied from pixman/pixman-bits-image.c, skip integer overflow check.
234c53f5b89STao Wu * pixman_image_create_bits will fail in case it overflow.
235c53f5b89STao Wu */
236c53f5b89STao Wu
237c53f5b89STao Wu int bpp = PIXMAN_FORMAT_BPP(pformat);
238c53f5b89STao Wu int stride = ((width * bpp + 0x1f) >> 5) * sizeof(uint32_t);
239c53f5b89STao Wu return height * stride;
240c53f5b89STao Wu }
241c53f5b89STao Wu
2429462ff46SMarc-André Lureau #ifdef WIN32
2439462ff46SMarc-André Lureau static void
win32_pixman_image_destroy(pixman_image_t * image,void * data)2449462ff46SMarc-André Lureau win32_pixman_image_destroy(pixman_image_t *image, void *data)
2459462ff46SMarc-André Lureau {
2469462ff46SMarc-André Lureau HANDLE handle = data;
2479462ff46SMarc-André Lureau
2489462ff46SMarc-André Lureau qemu_win32_map_free(pixman_image_get_data(image), handle, &error_warn);
2499462ff46SMarc-André Lureau }
2509462ff46SMarc-André Lureau #endif
2519462ff46SMarc-André Lureau
virtio_gpu_resource_create_2d(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)25262232bf4SGerd Hoffmann static void virtio_gpu_resource_create_2d(VirtIOGPU *g,
25362232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
25462232bf4SGerd Hoffmann {
25562232bf4SGerd Hoffmann pixman_format_code_t pformat;
25662232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
25762232bf4SGerd Hoffmann struct virtio_gpu_resource_create_2d c2d;
25862232bf4SGerd Hoffmann
25962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(c2d);
2601715d6b5SFarhan Ali virtio_gpu_bswap_32(&c2d, sizeof(c2d));
26162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format,
26262232bf4SGerd Hoffmann c2d.width, c2d.height);
26362232bf4SGerd Hoffmann
26462232bf4SGerd Hoffmann if (c2d.resource_id == 0) {
26562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
26662232bf4SGerd Hoffmann __func__);
26762232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
26862232bf4SGerd Hoffmann return;
26962232bf4SGerd Hoffmann }
27062232bf4SGerd Hoffmann
27162232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, c2d.resource_id);
27262232bf4SGerd Hoffmann if (res) {
27362232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
27462232bf4SGerd Hoffmann __func__, c2d.resource_id);
27562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
27662232bf4SGerd Hoffmann return;
27762232bf4SGerd Hoffmann }
27862232bf4SGerd Hoffmann
27962232bf4SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1);
28062232bf4SGerd Hoffmann
28162232bf4SGerd Hoffmann res->width = c2d.width;
28262232bf4SGerd Hoffmann res->height = c2d.height;
28362232bf4SGerd Hoffmann res->format = c2d.format;
28462232bf4SGerd Hoffmann res->resource_id = c2d.resource_id;
28562232bf4SGerd Hoffmann
28683a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(c2d.format);
28762232bf4SGerd Hoffmann if (!pformat) {
28862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR,
28962232bf4SGerd Hoffmann "%s: host couldn't handle guest format %d\n",
29062232bf4SGerd Hoffmann __func__, c2d.format);
291cb3a0522SLi Qiang g_free(res);
29262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
29362232bf4SGerd Hoffmann return;
29462232bf4SGerd Hoffmann }
2959b7621bcSGerd Hoffmann
296c53f5b89STao Wu res->hostmem = calc_image_hostmem(pformat, c2d.width, c2d.height);
29750d8e25eSMarc-André Lureau if (res->hostmem + g->hostmem < g->conf_max_hostmem) {
2989462ff46SMarc-André Lureau void *bits = NULL;
2999462ff46SMarc-André Lureau #ifdef WIN32
3009462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn);
3019462ff46SMarc-André Lureau if (!bits) {
3029462ff46SMarc-André Lureau goto end;
3039462ff46SMarc-André Lureau }
3049462ff46SMarc-André Lureau #endif
3059c18a923SMarc-André Lureau res->image = pixman_image_create_bits(
3069c18a923SMarc-André Lureau pformat,
30762232bf4SGerd Hoffmann c2d.width,
30862232bf4SGerd Hoffmann c2d.height,
3099c18a923SMarc-André Lureau bits, c2d.height ? res->hostmem / c2d.height : 0);
3109462ff46SMarc-André Lureau #ifdef WIN32
3119462ff46SMarc-André Lureau if (res->image) {
3129462ff46SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle);
3139462ff46SMarc-André Lureau }
3149462ff46SMarc-André Lureau #endif
3159b7621bcSGerd Hoffmann }
31662232bf4SGerd Hoffmann
3179462ff46SMarc-André Lureau #ifdef WIN32
3189462ff46SMarc-André Lureau end:
3199462ff46SMarc-André Lureau #endif
32062232bf4SGerd Hoffmann if (!res->image) {
32162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR,
32262232bf4SGerd Hoffmann "%s: resource creation failed %d %d %d\n",
32362232bf4SGerd Hoffmann __func__, c2d.resource_id, c2d.width, c2d.height);
32462232bf4SGerd Hoffmann g_free(res);
32562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
32662232bf4SGerd Hoffmann return;
32762232bf4SGerd Hoffmann }
32862232bf4SGerd Hoffmann
32962232bf4SGerd Hoffmann QTAILQ_INSERT_HEAD(&g->reslist, res, next);
3309b7621bcSGerd Hoffmann g->hostmem += res->hostmem;
33162232bf4SGerd Hoffmann }
33262232bf4SGerd Hoffmann
virtio_gpu_resource_create_blob(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)333e0933d91SVivek Kasireddy static void virtio_gpu_resource_create_blob(VirtIOGPU *g,
334e0933d91SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd)
335e0933d91SVivek Kasireddy {
336e0933d91SVivek Kasireddy struct virtio_gpu_simple_resource *res;
337e0933d91SVivek Kasireddy struct virtio_gpu_resource_create_blob cblob;
338e0933d91SVivek Kasireddy int ret;
339e0933d91SVivek Kasireddy
340e0933d91SVivek Kasireddy VIRTIO_GPU_FILL_CMD(cblob);
341e0933d91SVivek Kasireddy virtio_gpu_create_blob_bswap(&cblob);
342e0933d91SVivek Kasireddy trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size);
343e0933d91SVivek Kasireddy
344e0933d91SVivek Kasireddy if (cblob.resource_id == 0) {
345e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
346e0933d91SVivek Kasireddy __func__);
347e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
348e0933d91SVivek Kasireddy return;
349e0933d91SVivek Kasireddy }
350e0933d91SVivek Kasireddy
351dc2deabaSPhilippe Mathieu-Daudé if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_GUEST &&
352dc2deabaSPhilippe Mathieu-Daudé cblob.blob_flags != VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE) {
353dc2deabaSPhilippe Mathieu-Daudé qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid memory type\n",
354dc2deabaSPhilippe Mathieu-Daudé __func__);
355dc2deabaSPhilippe Mathieu-Daudé cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
356dc2deabaSPhilippe Mathieu-Daudé return;
357dc2deabaSPhilippe Mathieu-Daudé }
358dc2deabaSPhilippe Mathieu-Daudé
359dc2deabaSPhilippe Mathieu-Daudé if (virtio_gpu_find_resource(g, cblob.resource_id)) {
360e0933d91SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
361e0933d91SVivek Kasireddy __func__, cblob.resource_id);
362e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
363e0933d91SVivek Kasireddy return;
364e0933d91SVivek Kasireddy }
365e0933d91SVivek Kasireddy
366e0933d91SVivek Kasireddy res = g_new0(struct virtio_gpu_simple_resource, 1);
367e0933d91SVivek Kasireddy res->resource_id = cblob.resource_id;
368e0933d91SVivek Kasireddy res->blob_size = cblob.size;
369e0933d91SVivek Kasireddy
370e0933d91SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob),
371e0933d91SVivek Kasireddy cmd, &res->addrs, &res->iov,
372e0933d91SVivek Kasireddy &res->iov_cnt);
373fc4d3f35SDongwon Kim if (ret != 0) {
374e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
375dc2deabaSPhilippe Mathieu-Daudé g_free(res);
376e0933d91SVivek Kasireddy return;
377e0933d91SVivek Kasireddy }
378e0933d91SVivek Kasireddy
379e0933d91SVivek Kasireddy virtio_gpu_init_udmabuf(res);
380e0933d91SVivek Kasireddy QTAILQ_INSERT_HEAD(&g->reslist, res, next);
381e0933d91SVivek Kasireddy }
382e0933d91SVivek Kasireddy
virtio_gpu_disable_scanout(VirtIOGPU * g,int scanout_id)383da566a18SGerd Hoffmann static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
384da566a18SGerd Hoffmann {
38550d8e25eSMarc-André Lureau struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id];
386da566a18SGerd Hoffmann struct virtio_gpu_simple_resource *res;
387da566a18SGerd Hoffmann
388da566a18SGerd Hoffmann if (scanout->resource_id == 0) {
389da566a18SGerd Hoffmann return;
390da566a18SGerd Hoffmann }
391da566a18SGerd Hoffmann
392da566a18SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id);
393da566a18SGerd Hoffmann if (res) {
394da566a18SGerd Hoffmann res->scanout_bitmask &= ~(1 << scanout_id);
395da566a18SGerd Hoffmann }
396da566a18SGerd Hoffmann
397ed8f3fe6SAkihiko Odaki dpy_gfx_replace_surface(scanout->con, NULL);
398da566a18SGerd Hoffmann scanout->resource_id = 0;
399da566a18SGerd Hoffmann scanout->ds = NULL;
400da566a18SGerd Hoffmann scanout->width = 0;
401da566a18SGerd Hoffmann scanout->height = 0;
402da566a18SGerd Hoffmann }
403da566a18SGerd Hoffmann
virtio_gpu_resource_destroy(VirtIOGPU * g,struct virtio_gpu_simple_resource * res,Error ** errp)40462232bf4SGerd Hoffmann static void virtio_gpu_resource_destroy(VirtIOGPU *g,
405330399bdSManos Pitsidianakis struct virtio_gpu_simple_resource *res,
406330399bdSManos Pitsidianakis Error **errp)
40762232bf4SGerd Hoffmann {
4081fccd7c5SGerd Hoffmann int i;
4091fccd7c5SGerd Hoffmann
4101fccd7c5SGerd Hoffmann if (res->scanout_bitmask) {
41150d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
4121fccd7c5SGerd Hoffmann if (res->scanout_bitmask & (1 << i)) {
4131fccd7c5SGerd Hoffmann virtio_gpu_disable_scanout(g, i);
4141fccd7c5SGerd Hoffmann }
4151fccd7c5SGerd Hoffmann }
4161fccd7c5SGerd Hoffmann }
4171fccd7c5SGerd Hoffmann
41832db3c63SVivek Kasireddy qemu_pixman_image_unref(res->image);
4193bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res);
42062232bf4SGerd Hoffmann QTAILQ_REMOVE(&g->reslist, res, next);
4219b7621bcSGerd Hoffmann g->hostmem -= res->hostmem;
42262232bf4SGerd Hoffmann g_free(res);
42362232bf4SGerd Hoffmann }
42462232bf4SGerd Hoffmann
virtio_gpu_resource_unref(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)42562232bf4SGerd Hoffmann static void virtio_gpu_resource_unref(VirtIOGPU *g,
42662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
42762232bf4SGerd Hoffmann {
42862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
42962232bf4SGerd Hoffmann struct virtio_gpu_resource_unref unref;
43062232bf4SGerd Hoffmann
43162232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(unref);
4321715d6b5SFarhan Ali virtio_gpu_bswap_32(&unref, sizeof(unref));
43362232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_unref(unref.resource_id);
43462232bf4SGerd Hoffmann
43562232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, unref.resource_id);
43662232bf4SGerd Hoffmann if (!res) {
43762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n",
43862232bf4SGerd Hoffmann __func__, unref.resource_id);
43962232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
44062232bf4SGerd Hoffmann return;
44162232bf4SGerd Hoffmann }
442330399bdSManos Pitsidianakis /*
443330399bdSManos Pitsidianakis * virtio_gpu_resource_destroy does not set any errors, so pass a NULL errp
444330399bdSManos Pitsidianakis * to ignore them.
445330399bdSManos Pitsidianakis */
446330399bdSManos Pitsidianakis virtio_gpu_resource_destroy(g, res, NULL);
44762232bf4SGerd Hoffmann }
44862232bf4SGerd Hoffmann
virtio_gpu_transfer_to_host_2d(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)44962232bf4SGerd Hoffmann static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g,
45062232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
45162232bf4SGerd Hoffmann {
45262232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
453b097b80bSKeqian Zhu int h, bpp;
45462232bf4SGerd Hoffmann uint32_t src_offset, dst_offset, stride;
45562232bf4SGerd Hoffmann pixman_format_code_t format;
45662232bf4SGerd Hoffmann struct virtio_gpu_transfer_to_host_2d t2d;
457b097b80bSKeqian Zhu void *img_data;
45862232bf4SGerd Hoffmann
45962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(t2d);
4601715d6b5SFarhan Ali virtio_gpu_t2d_bswap(&t2d);
46162232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id);
46262232bf4SGerd Hoffmann
46325c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, t2d.resource_id, true,
46425c001a4SVivek Kasireddy __func__, &cmd->error);
465e0933d91SVivek Kasireddy if (!res || res->blob) {
46662232bf4SGerd Hoffmann return;
46762232bf4SGerd Hoffmann }
46862232bf4SGerd Hoffmann
46962232bf4SGerd Hoffmann if (t2d.r.x > res->width ||
47062232bf4SGerd Hoffmann t2d.r.y > res->height ||
47162232bf4SGerd Hoffmann t2d.r.width > res->width ||
47262232bf4SGerd Hoffmann t2d.r.height > res->height ||
47362232bf4SGerd Hoffmann t2d.r.x + t2d.r.width > res->width ||
47462232bf4SGerd Hoffmann t2d.r.y + t2d.r.height > res->height) {
47562232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: transfer bounds outside resource"
47662232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n",
47762232bf4SGerd Hoffmann __func__, t2d.resource_id, t2d.r.x, t2d.r.y,
47862232bf4SGerd Hoffmann t2d.r.width, t2d.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 format = pixman_image_get_format(res->image);
484e5f99037SMarc-André Lureau bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8);
48562232bf4SGerd Hoffmann stride = pixman_image_get_stride(res->image);
486b097b80bSKeqian Zhu img_data = pixman_image_get_data(res->image);
48762232bf4SGerd Hoffmann
488b097b80bSKeqian Zhu if (t2d.r.x || t2d.r.width != pixman_image_get_width(res->image)) {
48962232bf4SGerd Hoffmann for (h = 0; h < t2d.r.height; h++) {
49062232bf4SGerd Hoffmann src_offset = t2d.offset + stride * h;
49162232bf4SGerd Hoffmann dst_offset = (t2d.r.y + h) * stride + (t2d.r.x * bpp);
49262232bf4SGerd Hoffmann
49362232bf4SGerd Hoffmann iov_to_buf(res->iov, res->iov_cnt, src_offset,
494b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset,
495b097b80bSKeqian Zhu t2d.r.width * bpp);
49662232bf4SGerd Hoffmann }
49762232bf4SGerd Hoffmann } else {
498b097b80bSKeqian Zhu src_offset = t2d.offset;
499b097b80bSKeqian Zhu dst_offset = t2d.r.y * stride + t2d.r.x * bpp;
500b097b80bSKeqian Zhu iov_to_buf(res->iov, res->iov_cnt, src_offset,
501b097b80bSKeqian Zhu (uint8_t *)img_data + dst_offset,
502b097b80bSKeqian Zhu stride * t2d.r.height);
50362232bf4SGerd Hoffmann }
50462232bf4SGerd Hoffmann }
50562232bf4SGerd Hoffmann
virtio_gpu_resource_flush(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)50662232bf4SGerd Hoffmann static void virtio_gpu_resource_flush(VirtIOGPU *g,
50762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
50862232bf4SGerd Hoffmann {
50962232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
51062232bf4SGerd Hoffmann struct virtio_gpu_resource_flush rf;
51132db3c63SVivek Kasireddy struct virtio_gpu_scanout *scanout;
512a200d53bSMarc-André Lureau QemuRect flush_rect;
51334e29d85SVivek Kasireddy bool within_bounds = false;
51434e29d85SVivek Kasireddy bool update_submitted = false;
51562232bf4SGerd Hoffmann int i;
51662232bf4SGerd Hoffmann
51762232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(rf);
5181715d6b5SFarhan Ali virtio_gpu_bswap_32(&rf, sizeof(rf));
51962232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_flush(rf.resource_id,
52062232bf4SGerd Hoffmann rf.r.width, rf.r.height, rf.r.x, rf.r.y);
52162232bf4SGerd Hoffmann
52225c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, rf.resource_id, false,
52325c001a4SVivek Kasireddy __func__, &cmd->error);
52432db3c63SVivek Kasireddy if (!res) {
52562232bf4SGerd Hoffmann return;
52662232bf4SGerd Hoffmann }
52762232bf4SGerd Hoffmann
52832db3c63SVivek Kasireddy if (res->blob) {
52932db3c63SVivek Kasireddy for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
53032db3c63SVivek Kasireddy scanout = &g->parent_obj.scanout[i];
53132db3c63SVivek Kasireddy if (scanout->resource_id == res->resource_id &&
53249a99ecbSDongwon Kim rf.r.x < scanout->x + scanout->width &&
53349a99ecbSDongwon Kim rf.r.x + rf.r.width >= scanout->x &&
53449a99ecbSDongwon Kim rf.r.y < scanout->y + scanout->height &&
53534e29d85SVivek Kasireddy rf.r.y + rf.r.height >= scanout->y) {
53634e29d85SVivek Kasireddy within_bounds = true;
53734e29d85SVivek Kasireddy
53834e29d85SVivek Kasireddy if (console_has_gl(scanout->con)) {
53932db3c63SVivek Kasireddy dpy_gl_update(scanout->con, 0, 0, scanout->width,
54032db3c63SVivek Kasireddy scanout->height);
54134e29d85SVivek Kasireddy update_submitted = true;
542e86a93f5SDongwon Kim }
543e86a93f5SDongwon Kim }
54434e29d85SVivek Kasireddy }
54534e29d85SVivek Kasireddy
54634e29d85SVivek Kasireddy if (update_submitted) {
54732db3c63SVivek Kasireddy return;
54832db3c63SVivek Kasireddy }
54934e29d85SVivek Kasireddy if (!within_bounds) {
55034e29d85SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside scanouts"
55134e29d85SVivek Kasireddy " bounds for flush %d: %d %d %d %d\n",
55234e29d85SVivek Kasireddy __func__, rf.resource_id, rf.r.x, rf.r.y,
55334e29d85SVivek Kasireddy rf.r.width, rf.r.height);
55434e29d85SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
55534e29d85SVivek Kasireddy return;
55634e29d85SVivek Kasireddy }
55734e29d85SVivek Kasireddy }
55832db3c63SVivek Kasireddy
55932db3c63SVivek Kasireddy if (!res->blob &&
56032db3c63SVivek Kasireddy (rf.r.x > res->width ||
56162232bf4SGerd Hoffmann rf.r.y > res->height ||
56262232bf4SGerd Hoffmann rf.r.width > res->width ||
56362232bf4SGerd Hoffmann rf.r.height > res->height ||
56462232bf4SGerd Hoffmann rf.r.x + rf.r.width > res->width ||
56532db3c63SVivek Kasireddy rf.r.y + rf.r.height > res->height)) {
56662232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside resource"
56762232bf4SGerd Hoffmann " bounds for resource %d: %d %d %d %d vs %d %d\n",
56862232bf4SGerd Hoffmann __func__, rf.resource_id, rf.r.x, rf.r.y,
56962232bf4SGerd Hoffmann rf.r.width, rf.r.height, res->width, res->height);
57062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
57162232bf4SGerd Hoffmann return;
57262232bf4SGerd Hoffmann }
57362232bf4SGerd Hoffmann
574a200d53bSMarc-André Lureau qemu_rect_init(&flush_rect, rf.r.x, rf.r.y, rf.r.width, rf.r.height);
57550d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
576a200d53bSMarc-André Lureau QemuRect rect;
57762232bf4SGerd Hoffmann
57862232bf4SGerd Hoffmann if (!(res->scanout_bitmask & (1 << i))) {
57962232bf4SGerd Hoffmann continue;
58062232bf4SGerd Hoffmann }
58150d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i];
58262232bf4SGerd Hoffmann
583a200d53bSMarc-André Lureau qemu_rect_init(&rect, scanout->x, scanout->y,
58462232bf4SGerd Hoffmann scanout->width, scanout->height);
58562232bf4SGerd Hoffmann
58662232bf4SGerd Hoffmann /* work out the area we need to update for each console */
587a200d53bSMarc-André Lureau if (qemu_rect_intersect(&flush_rect, &rect, &rect)) {
588a200d53bSMarc-André Lureau qemu_rect_translate(&rect, -scanout->x, -scanout->y);
58950d8e25eSMarc-André Lureau dpy_gfx_update(g->parent_obj.scanout[i].con,
590a200d53bSMarc-André Lureau rect.x, rect.y, rect.width, rect.height);
59162232bf4SGerd Hoffmann }
592a200d53bSMarc-André Lureau }
59362232bf4SGerd Hoffmann }
59462232bf4SGerd Hoffmann
virtio_unref_resource(pixman_image_t * image,void * data)595fa06e5cbSGerd Hoffmann static void virtio_unref_resource(pixman_image_t *image, void *data)
596fa06e5cbSGerd Hoffmann {
597fa06e5cbSGerd Hoffmann pixman_image_unref(data);
598fa06e5cbSGerd Hoffmann }
599fa06e5cbSGerd Hoffmann
virtio_gpu_update_scanout(VirtIOGPU * g,uint32_t scanout_id,struct virtio_gpu_simple_resource * res,struct virtio_gpu_framebuffer * fb,struct virtio_gpu_rect * r)60081cd9f71SVivek Kasireddy static void virtio_gpu_update_scanout(VirtIOGPU *g,
60181cd9f71SVivek Kasireddy uint32_t scanout_id,
60281cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *res,
603dfcf74faSMarc-André Lureau struct virtio_gpu_framebuffer *fb,
60481cd9f71SVivek Kasireddy struct virtio_gpu_rect *r)
60581cd9f71SVivek Kasireddy {
60681cd9f71SVivek Kasireddy struct virtio_gpu_simple_resource *ores;
60781cd9f71SVivek Kasireddy struct virtio_gpu_scanout *scanout;
60881cd9f71SVivek Kasireddy
60981cd9f71SVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id];
61081cd9f71SVivek Kasireddy ores = virtio_gpu_find_resource(g, scanout->resource_id);
61181cd9f71SVivek Kasireddy if (ores) {
61281cd9f71SVivek Kasireddy ores->scanout_bitmask &= ~(1 << scanout_id);
61381cd9f71SVivek Kasireddy }
61481cd9f71SVivek Kasireddy
61581cd9f71SVivek Kasireddy res->scanout_bitmask |= (1 << scanout_id);
61681cd9f71SVivek Kasireddy scanout->resource_id = res->resource_id;
61781cd9f71SVivek Kasireddy scanout->x = r->x;
61881cd9f71SVivek Kasireddy scanout->y = r->y;
61981cd9f71SVivek Kasireddy scanout->width = r->width;
62081cd9f71SVivek Kasireddy scanout->height = r->height;
621dfcf74faSMarc-André Lureau scanout->fb = *fb;
62281cd9f71SVivek Kasireddy }
62381cd9f71SVivek Kasireddy
virtio_gpu_do_set_scanout(VirtIOGPU * g,uint32_t scanout_id,struct virtio_gpu_framebuffer * fb,struct virtio_gpu_simple_resource * res,struct virtio_gpu_rect * r,uint32_t * error)624dfcf74faSMarc-André Lureau static bool virtio_gpu_do_set_scanout(VirtIOGPU *g,
625e64d4b6aSVivek Kasireddy uint32_t scanout_id,
626e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer *fb,
627e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res,
628e64d4b6aSVivek Kasireddy struct virtio_gpu_rect *r,
629e64d4b6aSVivek Kasireddy uint32_t *error)
630e64d4b6aSVivek Kasireddy {
631e64d4b6aSVivek Kasireddy struct virtio_gpu_scanout *scanout;
632e64d4b6aSVivek Kasireddy uint8_t *data;
633e64d4b6aSVivek Kasireddy
634e64d4b6aSVivek Kasireddy scanout = &g->parent_obj.scanout[scanout_id];
635e64d4b6aSVivek Kasireddy
636e64d4b6aSVivek Kasireddy if (r->x > fb->width ||
637e64d4b6aSVivek Kasireddy r->y > fb->height ||
638e64d4b6aSVivek Kasireddy r->width < 16 ||
639e64d4b6aSVivek Kasireddy r->height < 16 ||
640e64d4b6aSVivek Kasireddy r->width > fb->width ||
641e64d4b6aSVivek Kasireddy r->height > fb->height ||
642e64d4b6aSVivek Kasireddy r->x + r->width > fb->width ||
643e64d4b6aSVivek Kasireddy r->y + r->height > fb->height) {
644e64d4b6aSVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for"
645e64d4b6aSVivek Kasireddy " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n",
646e64d4b6aSVivek Kasireddy __func__, scanout_id, res->resource_id,
647e64d4b6aSVivek Kasireddy r->x, r->y, r->width, r->height,
648e64d4b6aSVivek Kasireddy fb->width, fb->height);
649e64d4b6aSVivek Kasireddy *error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
650dfcf74faSMarc-André Lureau return false;
651e64d4b6aSVivek Kasireddy }
652e64d4b6aSVivek Kasireddy
653e64d4b6aSVivek Kasireddy g->parent_obj.enable = 1;
65432db3c63SVivek Kasireddy
65532db3c63SVivek Kasireddy if (res->blob) {
65632db3c63SVivek Kasireddy if (console_has_gl(scanout->con)) {
657e86a93f5SDongwon Kim if (!virtio_gpu_update_dmabuf(g, scanout_id, res, fb, r)) {
658dfcf74faSMarc-André Lureau virtio_gpu_update_scanout(g, scanout_id, res, fb, r);
6597b41ca8dSDongwon Kim } else {
6607b41ca8dSDongwon Kim *error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
661dfcf74faSMarc-André Lureau return false;
66232db3c63SVivek Kasireddy }
663dfcf74faSMarc-André Lureau return true;
66432db3c63SVivek Kasireddy }
66532db3c63SVivek Kasireddy
66632db3c63SVivek Kasireddy data = res->blob;
66732db3c63SVivek Kasireddy } else {
668e64d4b6aSVivek Kasireddy data = (uint8_t *)pixman_image_get_data(res->image);
66932db3c63SVivek Kasireddy }
670e64d4b6aSVivek Kasireddy
671e64d4b6aSVivek Kasireddy /* create a surface for this scanout */
67232db3c63SVivek Kasireddy if ((res->blob && !console_has_gl(scanout->con)) ||
67332db3c63SVivek Kasireddy !scanout->ds ||
674e64d4b6aSVivek Kasireddy surface_data(scanout->ds) != data + fb->offset ||
675e64d4b6aSVivek Kasireddy scanout->width != r->width ||
676e64d4b6aSVivek Kasireddy scanout->height != r->height) {
677e64d4b6aSVivek Kasireddy pixman_image_t *rect;
678e64d4b6aSVivek Kasireddy void *ptr = data + fb->offset;
679e64d4b6aSVivek Kasireddy rect = pixman_image_create_bits(fb->format, r->width, r->height,
680e64d4b6aSVivek Kasireddy ptr, fb->stride);
681e64d4b6aSVivek Kasireddy
682e64d4b6aSVivek Kasireddy if (res->image) {
683e64d4b6aSVivek Kasireddy pixman_image_ref(res->image);
684e64d4b6aSVivek Kasireddy pixman_image_set_destroy_function(rect, virtio_unref_resource,
685e64d4b6aSVivek Kasireddy res->image);
686e64d4b6aSVivek Kasireddy }
687e64d4b6aSVivek Kasireddy
688e64d4b6aSVivek Kasireddy /* realloc the surface ptr */
689e64d4b6aSVivek Kasireddy scanout->ds = qemu_create_displaysurface_pixman(rect);
6909462ff46SMarc-André Lureau #ifdef WIN32
6919462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, fb->offset);
6929462ff46SMarc-André Lureau #endif
693e64d4b6aSVivek Kasireddy
694e64d4b6aSVivek Kasireddy pixman_image_unref(rect);
695e64d4b6aSVivek Kasireddy dpy_gfx_replace_surface(g->parent_obj.scanout[scanout_id].con,
696e64d4b6aSVivek Kasireddy scanout->ds);
697e64d4b6aSVivek Kasireddy }
698e64d4b6aSVivek Kasireddy
699dfcf74faSMarc-André Lureau virtio_gpu_update_scanout(g, scanout_id, res, fb, r);
700dfcf74faSMarc-André Lureau return true;
701e64d4b6aSVivek Kasireddy }
702e64d4b6aSVivek Kasireddy
virtio_gpu_set_scanout(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)70362232bf4SGerd Hoffmann static void virtio_gpu_set_scanout(VirtIOGPU *g,
70462232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
70562232bf4SGerd Hoffmann {
706e64d4b6aSVivek Kasireddy struct virtio_gpu_simple_resource *res;
707e64d4b6aSVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 };
70862232bf4SGerd Hoffmann struct virtio_gpu_set_scanout ss;
70962232bf4SGerd Hoffmann
71062232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ss);
7111715d6b5SFarhan Ali virtio_gpu_bswap_32(&ss, sizeof(ss));
71262232bf4SGerd Hoffmann trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id,
71362232bf4SGerd Hoffmann ss.r.width, ss.r.height, ss.r.x, ss.r.y);
71462232bf4SGerd Hoffmann
7154fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) {
7164fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d",
7174fa7b4ccSGerd Hoffmann __func__, ss.scanout_id);
7184fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID;
7194fa7b4ccSGerd Hoffmann return;
7204fa7b4ccSGerd Hoffmann }
7214fa7b4ccSGerd Hoffmann
72262232bf4SGerd Hoffmann if (ss.resource_id == 0) {
723da566a18SGerd Hoffmann virtio_gpu_disable_scanout(g, ss.scanout_id);
72462232bf4SGerd Hoffmann return;
72562232bf4SGerd Hoffmann }
72662232bf4SGerd Hoffmann
72725c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true,
72825c001a4SVivek Kasireddy __func__, &cmd->error);
72962232bf4SGerd Hoffmann if (!res) {
73062232bf4SGerd Hoffmann return;
73162232bf4SGerd Hoffmann }
73262232bf4SGerd Hoffmann
733e64d4b6aSVivek Kasireddy fb.format = pixman_image_get_format(res->image);
734e64d4b6aSVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8);
735e64d4b6aSVivek Kasireddy fb.width = pixman_image_get_width(res->image);
736e64d4b6aSVivek Kasireddy fb.height = pixman_image_get_height(res->image);
737e64d4b6aSVivek Kasireddy fb.stride = pixman_image_get_stride(res->image);
738e64d4b6aSVivek Kasireddy fb.offset = ss.r.x * fb.bytes_pp + ss.r.y * fb.stride;
73962232bf4SGerd Hoffmann
740e64d4b6aSVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id,
741e64d4b6aSVivek Kasireddy &fb, res, &ss.r, &cmd->error);
74262232bf4SGerd Hoffmann }
74362232bf4SGerd Hoffmann
virtio_gpu_set_scanout_blob(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)74432db3c63SVivek Kasireddy static void virtio_gpu_set_scanout_blob(VirtIOGPU *g,
74532db3c63SVivek Kasireddy struct virtio_gpu_ctrl_command *cmd)
74632db3c63SVivek Kasireddy {
74732db3c63SVivek Kasireddy struct virtio_gpu_simple_resource *res;
74832db3c63SVivek Kasireddy struct virtio_gpu_framebuffer fb = { 0 };
74932db3c63SVivek Kasireddy struct virtio_gpu_set_scanout_blob ss;
75032db3c63SVivek Kasireddy uint64_t fbend;
75132db3c63SVivek Kasireddy
75232db3c63SVivek Kasireddy VIRTIO_GPU_FILL_CMD(ss);
75332db3c63SVivek Kasireddy virtio_gpu_scanout_blob_bswap(&ss);
75432db3c63SVivek Kasireddy trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id,
75532db3c63SVivek Kasireddy ss.r.width, ss.r.height, ss.r.x,
75632db3c63SVivek Kasireddy ss.r.y);
75732db3c63SVivek Kasireddy
7584fa7b4ccSGerd Hoffmann if (ss.scanout_id >= g->parent_obj.conf.max_outputs) {
7594fa7b4ccSGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d",
7604fa7b4ccSGerd Hoffmann __func__, ss.scanout_id);
7614fa7b4ccSGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID;
7624fa7b4ccSGerd Hoffmann return;
7634fa7b4ccSGerd Hoffmann }
7644fa7b4ccSGerd Hoffmann
76532db3c63SVivek Kasireddy if (ss.resource_id == 0) {
76632db3c63SVivek Kasireddy virtio_gpu_disable_scanout(g, ss.scanout_id);
76732db3c63SVivek Kasireddy return;
76832db3c63SVivek Kasireddy }
76932db3c63SVivek Kasireddy
77032db3c63SVivek Kasireddy res = virtio_gpu_find_check_resource(g, ss.resource_id, true,
77132db3c63SVivek Kasireddy __func__, &cmd->error);
77232db3c63SVivek Kasireddy if (!res) {
77332db3c63SVivek Kasireddy return;
77432db3c63SVivek Kasireddy }
77532db3c63SVivek Kasireddy
77632db3c63SVivek Kasireddy fb.format = virtio_gpu_get_pixman_format(ss.format);
77732db3c63SVivek Kasireddy if (!fb.format) {
77832db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR,
77932db3c63SVivek Kasireddy "%s: host couldn't handle guest format %d\n",
78032db3c63SVivek Kasireddy __func__, ss.format);
78132db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
78232db3c63SVivek Kasireddy return;
78332db3c63SVivek Kasireddy }
78432db3c63SVivek Kasireddy
78532db3c63SVivek Kasireddy fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8);
78632db3c63SVivek Kasireddy fb.width = ss.width;
78732db3c63SVivek Kasireddy fb.height = ss.height;
78832db3c63SVivek Kasireddy fb.stride = ss.strides[0];
78932db3c63SVivek Kasireddy fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride;
79032db3c63SVivek Kasireddy
79132db3c63SVivek Kasireddy fbend = fb.offset;
79232db3c63SVivek Kasireddy fbend += fb.stride * (ss.r.height - 1);
79332db3c63SVivek Kasireddy fbend += fb.bytes_pp * ss.r.width;
79432db3c63SVivek Kasireddy if (fbend > res->blob_size) {
79532db3c63SVivek Kasireddy qemu_log_mask(LOG_GUEST_ERROR,
79632db3c63SVivek Kasireddy "%s: fb end out of range\n",
79732db3c63SVivek Kasireddy __func__);
79832db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
79932db3c63SVivek Kasireddy return;
80032db3c63SVivek Kasireddy }
80132db3c63SVivek Kasireddy
80232db3c63SVivek Kasireddy virtio_gpu_do_set_scanout(g, ss.scanout_id,
80332db3c63SVivek Kasireddy &fb, res, &ss.r, &cmd->error);
80432db3c63SVivek Kasireddy }
80532db3c63SVivek Kasireddy
virtio_gpu_create_mapping_iov(VirtIOGPU * g,uint32_t nr_entries,uint32_t offset,struct virtio_gpu_ctrl_command * cmd,uint64_t ** addr,struct iovec ** iov,uint32_t * niov)8063bb68f79SGerd Hoffmann int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
80770d37662SVivek Kasireddy uint32_t nr_entries, uint32_t offset,
80862232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd,
8099049f8bcSGerd Hoffmann uint64_t **addr, struct iovec **iov,
8109049f8bcSGerd Hoffmann uint32_t *niov)
81162232bf4SGerd Hoffmann {
81262232bf4SGerd Hoffmann struct virtio_gpu_mem_entry *ents;
81362232bf4SGerd Hoffmann size_t esize, s;
8149049f8bcSGerd Hoffmann int e, v;
81562232bf4SGerd Hoffmann
81670d37662SVivek Kasireddy if (nr_entries > 16384) {
81762232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR,
8182c84167bSGerd Hoffmann "%s: nr_entries is too big (%d > 16384)\n",
81970d37662SVivek Kasireddy __func__, nr_entries);
82062232bf4SGerd Hoffmann return -1;
82162232bf4SGerd Hoffmann }
82262232bf4SGerd Hoffmann
82370d37662SVivek Kasireddy esize = sizeof(*ents) * nr_entries;
82462232bf4SGerd Hoffmann ents = g_malloc(esize);
82562232bf4SGerd Hoffmann s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num,
82670d37662SVivek Kasireddy offset, ents, esize);
82762232bf4SGerd Hoffmann if (s != esize) {
82862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR,
82962232bf4SGerd Hoffmann "%s: command data size incorrect %zu vs %zu\n",
83062232bf4SGerd Hoffmann __func__, s, esize);
83162232bf4SGerd Hoffmann g_free(ents);
83262232bf4SGerd Hoffmann return -1;
83362232bf4SGerd Hoffmann }
83462232bf4SGerd Hoffmann
8359049f8bcSGerd Hoffmann *iov = NULL;
8360c244e50SGerd Hoffmann if (addr) {
8379049f8bcSGerd Hoffmann *addr = NULL;
8380c244e50SGerd Hoffmann }
83970d37662SVivek Kasireddy for (e = 0, v = 0; e < nr_entries; e++) {
8409049f8bcSGerd Hoffmann uint64_t a = le64_to_cpu(ents[e].addr);
8419049f8bcSGerd Hoffmann uint32_t l = le32_to_cpu(ents[e].length);
8429049f8bcSGerd Hoffmann hwaddr len;
8439049f8bcSGerd Hoffmann void *map;
8449049f8bcSGerd Hoffmann
8459049f8bcSGerd Hoffmann do {
8469049f8bcSGerd Hoffmann len = l;
847a1d4b0a3SPhilippe Mathieu-Daudé map = dma_memory_map(VIRTIO_DEVICE(g)->dma_as, a, &len,
848a1d4b0a3SPhilippe Mathieu-Daudé DMA_DIRECTION_TO_DEVICE,
849a1d4b0a3SPhilippe Mathieu-Daudé MEMTXATTRS_UNSPECIFIED);
8509049f8bcSGerd Hoffmann if (!map) {
85162232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
85270d37662SVivek Kasireddy " element %d\n", __func__, e);
8539049f8bcSGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, *iov, v);
85462232bf4SGerd Hoffmann g_free(ents);
85562232bf4SGerd Hoffmann *iov = NULL;
8560c244e50SGerd Hoffmann if (addr) {
8570c244e50SGerd Hoffmann g_free(*addr);
8580c244e50SGerd Hoffmann *addr = NULL;
8590c244e50SGerd Hoffmann }
86062232bf4SGerd Hoffmann return -1;
86162232bf4SGerd Hoffmann }
8629049f8bcSGerd Hoffmann
8639049f8bcSGerd Hoffmann if (!(v % 16)) {
864b21e2380SMarkus Armbruster *iov = g_renew(struct iovec, *iov, v + 16);
8659049f8bcSGerd Hoffmann if (addr) {
866b21e2380SMarkus Armbruster *addr = g_renew(uint64_t, *addr, v + 16);
86762232bf4SGerd Hoffmann }
8689049f8bcSGerd Hoffmann }
8699049f8bcSGerd Hoffmann (*iov)[v].iov_base = map;
8709049f8bcSGerd Hoffmann (*iov)[v].iov_len = len;
8719049f8bcSGerd Hoffmann if (addr) {
8729049f8bcSGerd Hoffmann (*addr)[v] = a;
8739049f8bcSGerd Hoffmann }
8749049f8bcSGerd Hoffmann
8759049f8bcSGerd Hoffmann a += len;
8769049f8bcSGerd Hoffmann l -= len;
8779049f8bcSGerd Hoffmann v += 1;
8789049f8bcSGerd Hoffmann } while (l > 0);
8799049f8bcSGerd Hoffmann }
8809049f8bcSGerd Hoffmann *niov = v;
8819049f8bcSGerd Hoffmann
88262232bf4SGerd Hoffmann g_free(ents);
88362232bf4SGerd Hoffmann return 0;
88462232bf4SGerd Hoffmann }
88562232bf4SGerd Hoffmann
virtio_gpu_cleanup_mapping_iov(VirtIOGPU * g,struct iovec * iov,uint32_t count)8863bb68f79SGerd Hoffmann void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
8873bb68f79SGerd Hoffmann struct iovec *iov, uint32_t count)
88862232bf4SGerd Hoffmann {
88962232bf4SGerd Hoffmann int i;
89062232bf4SGerd Hoffmann
89162232bf4SGerd Hoffmann for (i = 0; i < count; i++) {
8928da132a5SGerd Hoffmann dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as,
8938da132a5SGerd Hoffmann iov[i].iov_base, iov[i].iov_len,
8948da132a5SGerd Hoffmann DMA_DIRECTION_TO_DEVICE,
89562232bf4SGerd Hoffmann iov[i].iov_len);
89662232bf4SGerd Hoffmann }
8977f3be0f2SGerd Hoffmann g_free(iov);
89862232bf4SGerd Hoffmann }
89962232bf4SGerd Hoffmann
virtio_gpu_cleanup_mapping(VirtIOGPU * g,struct virtio_gpu_simple_resource * res)90049a8b659SAntonio Caggiano void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
9013bb68f79SGerd Hoffmann struct virtio_gpu_simple_resource *res)
90262232bf4SGerd Hoffmann {
9033bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt);
90462232bf4SGerd Hoffmann res->iov = NULL;
90562232bf4SGerd Hoffmann res->iov_cnt = 0;
9060c244e50SGerd Hoffmann g_free(res->addrs);
9070c244e50SGerd Hoffmann res->addrs = NULL;
908e0933d91SVivek Kasireddy
909e0933d91SVivek Kasireddy if (res->blob) {
910e0933d91SVivek Kasireddy virtio_gpu_fini_udmabuf(res);
911e0933d91SVivek Kasireddy }
91262232bf4SGerd Hoffmann }
91362232bf4SGerd Hoffmann
91462232bf4SGerd Hoffmann static void
virtio_gpu_resource_attach_backing(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)91562232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(VirtIOGPU *g,
91662232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
91762232bf4SGerd Hoffmann {
91862232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
91962232bf4SGerd Hoffmann struct virtio_gpu_resource_attach_backing ab;
92062232bf4SGerd Hoffmann int ret;
92162232bf4SGerd Hoffmann
92262232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(ab);
9231715d6b5SFarhan Ali virtio_gpu_bswap_32(&ab, sizeof(ab));
92462232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_attach(ab.resource_id);
92562232bf4SGerd Hoffmann
92662232bf4SGerd Hoffmann res = virtio_gpu_find_resource(g, ab.resource_id);
92762232bf4SGerd Hoffmann if (!res) {
92862232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal resource specified %d\n",
92962232bf4SGerd Hoffmann __func__, ab.resource_id);
93062232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
93162232bf4SGerd Hoffmann return;
93262232bf4SGerd Hoffmann }
93362232bf4SGerd Hoffmann
934204f01b3SLi Qiang if (res->iov) {
935204f01b3SLi Qiang cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
936204f01b3SLi Qiang return;
937204f01b3SLi Qiang }
938204f01b3SLi Qiang
93970d37662SVivek Kasireddy ret = virtio_gpu_create_mapping_iov(g, ab.nr_entries, sizeof(ab), cmd,
94070d37662SVivek Kasireddy &res->addrs, &res->iov, &res->iov_cnt);
94162232bf4SGerd Hoffmann if (ret != 0) {
94262232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
94362232bf4SGerd Hoffmann return;
94462232bf4SGerd Hoffmann }
94562232bf4SGerd Hoffmann }
94662232bf4SGerd Hoffmann
94762232bf4SGerd Hoffmann static void
virtio_gpu_resource_detach_backing(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)94862232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(VirtIOGPU *g,
94962232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
95062232bf4SGerd Hoffmann {
95162232bf4SGerd Hoffmann struct virtio_gpu_simple_resource *res;
95262232bf4SGerd Hoffmann struct virtio_gpu_resource_detach_backing detach;
95362232bf4SGerd Hoffmann
95462232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(detach);
9551715d6b5SFarhan Ali virtio_gpu_bswap_32(&detach, sizeof(detach));
95662232bf4SGerd Hoffmann trace_virtio_gpu_cmd_res_back_detach(detach.resource_id);
95762232bf4SGerd Hoffmann
95825c001a4SVivek Kasireddy res = virtio_gpu_find_check_resource(g, detach.resource_id, true,
95925c001a4SVivek Kasireddy __func__, &cmd->error);
96025c001a4SVivek Kasireddy if (!res) {
96162232bf4SGerd Hoffmann return;
96262232bf4SGerd Hoffmann }
9633bb68f79SGerd Hoffmann virtio_gpu_cleanup_mapping(g, res);
96462232bf4SGerd Hoffmann }
96562232bf4SGerd Hoffmann
virtio_gpu_simple_process_cmd(VirtIOGPU * g,struct virtio_gpu_ctrl_command * cmd)9662f47691aSGerd Hoffmann void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
96762232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd)
96862232bf4SGerd Hoffmann {
96962232bf4SGerd Hoffmann VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr);
9701715d6b5SFarhan Ali virtio_gpu_ctrl_hdr_bswap(&cmd->cmd_hdr);
97162232bf4SGerd Hoffmann
97262232bf4SGerd Hoffmann switch (cmd->cmd_hdr.type) {
97362232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_GET_DISPLAY_INFO:
97462232bf4SGerd Hoffmann virtio_gpu_get_display_info(g, cmd);
97562232bf4SGerd Hoffmann break;
9761ed2cb32SGerd Hoffmann case VIRTIO_GPU_CMD_GET_EDID:
9771ed2cb32SGerd Hoffmann virtio_gpu_get_edid(g, cmd);
9781ed2cb32SGerd Hoffmann break;
97962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D:
98062232bf4SGerd Hoffmann virtio_gpu_resource_create_2d(g, cmd);
98162232bf4SGerd Hoffmann break;
982e0933d91SVivek Kasireddy case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB:
983e0933d91SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) {
984e0933d91SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
985e0933d91SVivek Kasireddy break;
986e0933d91SVivek Kasireddy }
987e0933d91SVivek Kasireddy virtio_gpu_resource_create_blob(g, cmd);
988e0933d91SVivek Kasireddy break;
98962232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_UNREF:
99062232bf4SGerd Hoffmann virtio_gpu_resource_unref(g, cmd);
99162232bf4SGerd Hoffmann break;
99262232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_FLUSH:
99362232bf4SGerd Hoffmann virtio_gpu_resource_flush(g, cmd);
99462232bf4SGerd Hoffmann break;
99562232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D:
99662232bf4SGerd Hoffmann virtio_gpu_transfer_to_host_2d(g, cmd);
99762232bf4SGerd Hoffmann break;
99862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_SET_SCANOUT:
99962232bf4SGerd Hoffmann virtio_gpu_set_scanout(g, cmd);
100062232bf4SGerd Hoffmann break;
100132db3c63SVivek Kasireddy case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB:
100232db3c63SVivek Kasireddy if (!virtio_gpu_blob_enabled(g->parent_obj.conf)) {
100332db3c63SVivek Kasireddy cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
100432db3c63SVivek Kasireddy break;
100532db3c63SVivek Kasireddy }
100632db3c63SVivek Kasireddy virtio_gpu_set_scanout_blob(g, cmd);
100732db3c63SVivek Kasireddy break;
100862232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING:
100962232bf4SGerd Hoffmann virtio_gpu_resource_attach_backing(g, cmd);
101062232bf4SGerd Hoffmann break;
101162232bf4SGerd Hoffmann case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING:
101262232bf4SGerd Hoffmann virtio_gpu_resource_detach_backing(g, cmd);
101362232bf4SGerd Hoffmann break;
101462232bf4SGerd Hoffmann default:
101562232bf4SGerd Hoffmann cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
101662232bf4SGerd Hoffmann break;
101762232bf4SGerd Hoffmann }
101862232bf4SGerd Hoffmann if (!cmd->finished) {
1019b3a5dfdeSVivek Kasireddy if (!g->parent_obj.renderer_blocked) {
102062232bf4SGerd Hoffmann virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error ? cmd->error :
102162232bf4SGerd Hoffmann VIRTIO_GPU_RESP_OK_NODATA);
102262232bf4SGerd Hoffmann }
102362232bf4SGerd Hoffmann }
1024b3a5dfdeSVivek Kasireddy }
102562232bf4SGerd Hoffmann
virtio_gpu_handle_ctrl_cb(VirtIODevice * vdev,VirtQueue * vq)102662232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl_cb(VirtIODevice *vdev, VirtQueue *vq)
102762232bf4SGerd Hoffmann {
102862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev);
102962232bf4SGerd Hoffmann qemu_bh_schedule(g->ctrl_bh);
103062232bf4SGerd Hoffmann }
103162232bf4SGerd Hoffmann
virtio_gpu_handle_cursor_cb(VirtIODevice * vdev,VirtQueue * vq)103262232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev, VirtQueue *vq)
103362232bf4SGerd Hoffmann {
103462232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev);
103562232bf4SGerd Hoffmann qemu_bh_schedule(g->cursor_bh);
103662232bf4SGerd Hoffmann }
103762232bf4SGerd Hoffmann
virtio_gpu_process_cmdq(VirtIOGPU * g)10380c55a1cfSGerd Hoffmann void virtio_gpu_process_cmdq(VirtIOGPU *g)
10393eb769fdSGerd Hoffmann {
10403eb769fdSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd;
10412f47691aSGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
10423eb769fdSGerd Hoffmann
1043f8f3c271SMarc-André Lureau if (g->processing_cmdq) {
1044f8f3c271SMarc-André Lureau return;
1045f8f3c271SMarc-André Lureau }
1046f8f3c271SMarc-André Lureau g->processing_cmdq = true;
10473eb769fdSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) {
10483eb769fdSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq);
10493eb769fdSGerd Hoffmann
105050d8e25eSMarc-André Lureau if (g->parent_obj.renderer_blocked) {
10510c55a1cfSGerd Hoffmann break;
10520c55a1cfSGerd Hoffmann }
1053ad341aacSMarc-André Lureau
1054ad341aacSMarc-André Lureau /* process command */
10552f47691aSGerd Hoffmann vgc->process_cmd(g, cmd);
1056ad341aacSMarc-André Lureau
10573eb769fdSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next);
105850d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
10593eb769fdSGerd Hoffmann g->stats.requests++;
10603eb769fdSGerd Hoffmann }
10613eb769fdSGerd Hoffmann
10623eb769fdSGerd Hoffmann if (!cmd->finished) {
10633eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next);
10643eb769fdSGerd Hoffmann g->inflight++;
106550d8e25eSMarc-André Lureau if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
10663eb769fdSGerd Hoffmann if (g->stats.max_inflight < g->inflight) {
10673eb769fdSGerd Hoffmann g->stats.max_inflight = g->inflight;
10683eb769fdSGerd Hoffmann }
10693eb769fdSGerd Hoffmann fprintf(stderr, "inflight: %3d (+)\r", g->inflight);
10703eb769fdSGerd Hoffmann }
10713eb769fdSGerd Hoffmann } else {
10723eb769fdSGerd Hoffmann g_free(cmd);
10733eb769fdSGerd Hoffmann }
10743eb769fdSGerd Hoffmann }
1075f8f3c271SMarc-André Lureau g->processing_cmdq = false;
10763eb769fdSGerd Hoffmann }
10773eb769fdSGerd Hoffmann
virtio_gpu_process_fenceq(VirtIOGPU * g)1078b3a5dfdeSVivek Kasireddy static void virtio_gpu_process_fenceq(VirtIOGPU *g)
1079b3a5dfdeSVivek Kasireddy {
1080b3a5dfdeSVivek Kasireddy struct virtio_gpu_ctrl_command *cmd, *tmp;
1081b3a5dfdeSVivek Kasireddy
1082b3a5dfdeSVivek Kasireddy QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) {
1083b3a5dfdeSVivek Kasireddy trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id);
1084b3a5dfdeSVivek Kasireddy virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA);
1085b3a5dfdeSVivek Kasireddy QTAILQ_REMOVE(&g->fenceq, cmd, next);
1086b3a5dfdeSVivek Kasireddy g_free(cmd);
1087b3a5dfdeSVivek Kasireddy g->inflight--;
1088b3a5dfdeSVivek Kasireddy if (virtio_gpu_stats_enabled(g->parent_obj.conf)) {
1089b3a5dfdeSVivek Kasireddy fprintf(stderr, "inflight: %3d (-)\r", g->inflight);
1090b3a5dfdeSVivek Kasireddy }
1091b3a5dfdeSVivek Kasireddy }
1092b3a5dfdeSVivek Kasireddy }
1093b3a5dfdeSVivek Kasireddy
virtio_gpu_handle_gl_flushed(VirtIOGPUBase * b)1094b3a5dfdeSVivek Kasireddy static void virtio_gpu_handle_gl_flushed(VirtIOGPUBase *b)
1095b3a5dfdeSVivek Kasireddy {
1096b3a5dfdeSVivek Kasireddy VirtIOGPU *g = container_of(b, VirtIOGPU, parent_obj);
1097b3a5dfdeSVivek Kasireddy
1098b3a5dfdeSVivek Kasireddy virtio_gpu_process_fenceq(g);
1099b3a5dfdeSVivek Kasireddy virtio_gpu_process_cmdq(g);
1100b3a5dfdeSVivek Kasireddy }
1101b3a5dfdeSVivek Kasireddy
virtio_gpu_handle_ctrl(VirtIODevice * vdev,VirtQueue * vq)110262232bf4SGerd Hoffmann static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
110362232bf4SGerd Hoffmann {
110462232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev);
110562232bf4SGerd Hoffmann struct virtio_gpu_ctrl_command *cmd;
110662232bf4SGerd Hoffmann
110762232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) {
110862232bf4SGerd Hoffmann return;
110962232bf4SGerd Hoffmann }
111062232bf4SGerd Hoffmann
111151b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
111251b19ebeSPaolo Bonzini while (cmd) {
111362232bf4SGerd Hoffmann cmd->vq = vq;
111462232bf4SGerd Hoffmann cmd->error = 0;
111562232bf4SGerd Hoffmann cmd->finished = false;
11163eb769fdSGerd Hoffmann QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next);
111751b19ebeSPaolo Bonzini cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command));
111862232bf4SGerd Hoffmann }
11199d9e1521SGerd Hoffmann
11203eb769fdSGerd Hoffmann virtio_gpu_process_cmdq(g);
112162232bf4SGerd Hoffmann }
112262232bf4SGerd Hoffmann
virtio_gpu_ctrl_bh(void * opaque)112362232bf4SGerd Hoffmann static void virtio_gpu_ctrl_bh(void *opaque)
112462232bf4SGerd Hoffmann {
112562232bf4SGerd Hoffmann VirtIOGPU *g = opaque;
1126cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
1127cabbe8e5SGerd Hoffmann
11283daccfffSPhilippe Mathieu-Daudé vgc->handle_ctrl(VIRTIO_DEVICE(g), g->ctrl_vq);
112962232bf4SGerd Hoffmann }
113062232bf4SGerd Hoffmann
virtio_gpu_handle_cursor(VirtIODevice * vdev,VirtQueue * vq)113162232bf4SGerd Hoffmann static void virtio_gpu_handle_cursor(VirtIODevice *vdev, VirtQueue *vq)
113262232bf4SGerd Hoffmann {
113362232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev);
113451b19ebeSPaolo Bonzini VirtQueueElement *elem;
113562232bf4SGerd Hoffmann size_t s;
113662232bf4SGerd Hoffmann struct virtio_gpu_update_cursor cursor_info;
113762232bf4SGerd Hoffmann
113862232bf4SGerd Hoffmann if (!virtio_queue_ready(vq)) {
113962232bf4SGerd Hoffmann return;
114062232bf4SGerd Hoffmann }
114151b19ebeSPaolo Bonzini for (;;) {
114251b19ebeSPaolo Bonzini elem = virtqueue_pop(vq, sizeof(VirtQueueElement));
114351b19ebeSPaolo Bonzini if (!elem) {
114451b19ebeSPaolo Bonzini break;
114551b19ebeSPaolo Bonzini }
114651b19ebeSPaolo Bonzini
114751b19ebeSPaolo Bonzini s = iov_to_buf(elem->out_sg, elem->out_num, 0,
114862232bf4SGerd Hoffmann &cursor_info, sizeof(cursor_info));
114962232bf4SGerd Hoffmann if (s != sizeof(cursor_info)) {
115062232bf4SGerd Hoffmann qemu_log_mask(LOG_GUEST_ERROR,
115162232bf4SGerd Hoffmann "%s: cursor size incorrect %zu vs %zu\n",
115262232bf4SGerd Hoffmann __func__, s, sizeof(cursor_info));
115362232bf4SGerd Hoffmann } else {
11541715d6b5SFarhan Ali virtio_gpu_bswap_32(&cursor_info, sizeof(cursor_info));
115562232bf4SGerd Hoffmann update_cursor(g, &cursor_info);
115662232bf4SGerd Hoffmann }
115751b19ebeSPaolo Bonzini virtqueue_push(vq, elem, 0);
115862232bf4SGerd Hoffmann virtio_notify(vdev, vq);
115951b19ebeSPaolo Bonzini g_free(elem);
116062232bf4SGerd Hoffmann }
116162232bf4SGerd Hoffmann }
116262232bf4SGerd Hoffmann
virtio_gpu_cursor_bh(void * opaque)116362232bf4SGerd Hoffmann static void virtio_gpu_cursor_bh(void *opaque)
116462232bf4SGerd Hoffmann {
116562232bf4SGerd Hoffmann VirtIOGPU *g = opaque;
116650d8e25eSMarc-André Lureau virtio_gpu_handle_cursor(&g->parent_obj.parent_obj, g->cursor_vq);
116762232bf4SGerd Hoffmann }
116862232bf4SGerd Hoffmann
11690c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanout = {
11700c244e50SGerd Hoffmann .name = "virtio-gpu-one-scanout",
1171dfcf74faSMarc-André Lureau .version_id = 2,
1172dfcf74faSMarc-André Lureau .minimum_version_id = 1,
1173f0613160SRichard Henderson .fields = (const VMStateField[]) {
11740c244e50SGerd Hoffmann VMSTATE_UINT32(resource_id, struct virtio_gpu_scanout),
11750c244e50SGerd Hoffmann VMSTATE_UINT32(width, struct virtio_gpu_scanout),
11760c244e50SGerd Hoffmann VMSTATE_UINT32(height, struct virtio_gpu_scanout),
11770c244e50SGerd Hoffmann VMSTATE_INT32(x, struct virtio_gpu_scanout),
11780c244e50SGerd Hoffmann VMSTATE_INT32(y, struct virtio_gpu_scanout),
11790c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.resource_id, struct virtio_gpu_scanout),
11800c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_x, struct virtio_gpu_scanout),
11810c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.hot_y, struct virtio_gpu_scanout),
11820c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.x, struct virtio_gpu_scanout),
11830c244e50SGerd Hoffmann VMSTATE_UINT32(cursor.pos.y, struct virtio_gpu_scanout),
1184dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.format, struct virtio_gpu_scanout, 2),
1185dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.bytes_pp, struct virtio_gpu_scanout, 2),
1186dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.width, struct virtio_gpu_scanout, 2),
1187dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.height, struct virtio_gpu_scanout, 2),
1188dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.stride, struct virtio_gpu_scanout, 2),
1189dfcf74faSMarc-André Lureau VMSTATE_UINT32_V(fb.offset, struct virtio_gpu_scanout, 2),
11900c244e50SGerd Hoffmann VMSTATE_END_OF_LIST()
11910c244e50SGerd Hoffmann },
11920c244e50SGerd Hoffmann };
11930c244e50SGerd Hoffmann
11940c244e50SGerd Hoffmann static const VMStateDescription vmstate_virtio_gpu_scanouts = {
11950c244e50SGerd Hoffmann .name = "virtio-gpu-scanouts",
11960c244e50SGerd Hoffmann .version_id = 1,
1197f0613160SRichard Henderson .fields = (const VMStateField[]) {
119850d8e25eSMarc-André Lureau VMSTATE_INT32(parent_obj.enable, struct VirtIOGPU),
119950d8e25eSMarc-André Lureau VMSTATE_UINT32_EQUAL(parent_obj.conf.max_outputs,
120050d8e25eSMarc-André Lureau struct VirtIOGPU, NULL),
120150d8e25eSMarc-André Lureau VMSTATE_STRUCT_VARRAY_UINT32(parent_obj.scanout, struct VirtIOGPU,
120250d8e25eSMarc-André Lureau parent_obj.conf.max_outputs, 1,
12030c244e50SGerd Hoffmann vmstate_virtio_gpu_scanout,
12040c244e50SGerd Hoffmann struct virtio_gpu_scanout),
12050c244e50SGerd Hoffmann VMSTATE_END_OF_LIST()
12060c244e50SGerd Hoffmann },
12070c244e50SGerd Hoffmann };
12080c244e50SGerd Hoffmann
virtio_gpu_save(QEMUFile * f,void * opaque,size_t size,const VMStateField * field,JSONWriter * vmdesc)12092c21ee76SJianjun Duan static int virtio_gpu_save(QEMUFile *f, void *opaque, size_t size,
12103ddba9a9SMarkus Armbruster const VMStateField *field, JSONWriter *vmdesc)
12110c244e50SGerd Hoffmann {
12120c244e50SGerd Hoffmann VirtIOGPU *g = opaque;
12130c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res;
12140c244e50SGerd Hoffmann int i;
12150c244e50SGerd Hoffmann
12160c244e50SGerd Hoffmann /* in 2d mode we should never find unprocessed commands here */
12170c244e50SGerd Hoffmann assert(QTAILQ_EMPTY(&g->cmdq));
12180c244e50SGerd Hoffmann
12190c244e50SGerd Hoffmann QTAILQ_FOREACH(res, &g->reslist, next) {
1220f66767f7SMarc-André Lureau if (res->blob_size) {
1221f66767f7SMarc-André Lureau continue;
1222f66767f7SMarc-André Lureau }
12230c244e50SGerd Hoffmann qemu_put_be32(f, res->resource_id);
12240c244e50SGerd Hoffmann qemu_put_be32(f, res->width);
12250c244e50SGerd Hoffmann qemu_put_be32(f, res->height);
12260c244e50SGerd Hoffmann qemu_put_be32(f, res->format);
12270c244e50SGerd Hoffmann qemu_put_be32(f, res->iov_cnt);
12280c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) {
12290c244e50SGerd Hoffmann qemu_put_be64(f, res->addrs[i]);
12300c244e50SGerd Hoffmann qemu_put_be32(f, res->iov[i].iov_len);
12310c244e50SGerd Hoffmann }
12320c244e50SGerd Hoffmann qemu_put_buffer(f, (void *)pixman_image_get_data(res->image),
12330c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height);
12340c244e50SGerd Hoffmann }
12350c244e50SGerd Hoffmann qemu_put_be32(f, 0); /* end of list */
12360c244e50SGerd Hoffmann
12372f168d07SDr. David Alan Gilbert return vmstate_save_state(f, &vmstate_virtio_gpu_scanouts, g, NULL);
12380c244e50SGerd Hoffmann }
12390c244e50SGerd Hoffmann
virtio_gpu_load_restore_mapping(VirtIOGPU * g,struct virtio_gpu_simple_resource * res)1240e92ffae6SMarc-André Lureau static bool virtio_gpu_load_restore_mapping(VirtIOGPU *g,
1241e92ffae6SMarc-André Lureau struct virtio_gpu_simple_resource *res)
1242e92ffae6SMarc-André Lureau {
1243e92ffae6SMarc-André Lureau int i;
1244e92ffae6SMarc-André Lureau
1245e92ffae6SMarc-André Lureau for (i = 0; i < res->iov_cnt; i++) {
1246e92ffae6SMarc-André Lureau hwaddr len = res->iov[i].iov_len;
1247e92ffae6SMarc-André Lureau res->iov[i].iov_base =
1248e92ffae6SMarc-André Lureau dma_memory_map(VIRTIO_DEVICE(g)->dma_as, res->addrs[i], &len,
1249e92ffae6SMarc-André Lureau DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED);
1250e92ffae6SMarc-André Lureau
1251e92ffae6SMarc-André Lureau if (!res->iov[i].iov_base || len != res->iov[i].iov_len) {
1252e92ffae6SMarc-André Lureau /* Clean up the half-a-mapping we just created... */
1253e92ffae6SMarc-André Lureau if (res->iov[i].iov_base) {
1254e92ffae6SMarc-André Lureau dma_memory_unmap(VIRTIO_DEVICE(g)->dma_as, res->iov[i].iov_base,
1255e92ffae6SMarc-André Lureau len, DMA_DIRECTION_TO_DEVICE, 0);
1256e92ffae6SMarc-André Lureau }
1257e92ffae6SMarc-André Lureau /* ...and the mappings for previous loop iterations */
1258e92ffae6SMarc-André Lureau res->iov_cnt = i;
1259e92ffae6SMarc-André Lureau virtio_gpu_cleanup_mapping(g, res);
1260e92ffae6SMarc-André Lureau return false;
1261e92ffae6SMarc-André Lureau }
1262e92ffae6SMarc-André Lureau }
1263e92ffae6SMarc-André Lureau
1264e92ffae6SMarc-André Lureau QTAILQ_INSERT_HEAD(&g->reslist, res, next);
1265e92ffae6SMarc-André Lureau g->hostmem += res->hostmem;
1266e92ffae6SMarc-André Lureau return true;
1267e92ffae6SMarc-André Lureau }
1268e92ffae6SMarc-André Lureau
virtio_gpu_load(QEMUFile * f,void * opaque,size_t size,const VMStateField * field)12692c21ee76SJianjun Duan static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
127003fee66fSMarc-André Lureau const VMStateField *field)
12710c244e50SGerd Hoffmann {
12720c244e50SGerd Hoffmann VirtIOGPU *g = opaque;
12730c244e50SGerd Hoffmann struct virtio_gpu_simple_resource *res;
12740c244e50SGerd Hoffmann uint32_t resource_id, pformat;
12759462ff46SMarc-André Lureau void *bits = NULL;
12768a502efdSHalil Pasic int i;
12770c244e50SGerd Hoffmann
1278039aa5dbSPeter Maydell g->hostmem = 0;
1279039aa5dbSPeter Maydell
12800c244e50SGerd Hoffmann resource_id = qemu_get_be32(f);
12810c244e50SGerd Hoffmann while (resource_id != 0) {
1282b0ee78ffSLi Qiang res = virtio_gpu_find_resource(g, resource_id);
1283b0ee78ffSLi Qiang if (res) {
1284b0ee78ffSLi Qiang return -EINVAL;
1285b0ee78ffSLi Qiang }
1286b0ee78ffSLi Qiang
12870c244e50SGerd Hoffmann res = g_new0(struct virtio_gpu_simple_resource, 1);
12880c244e50SGerd Hoffmann res->resource_id = resource_id;
12890c244e50SGerd Hoffmann res->width = qemu_get_be32(f);
12900c244e50SGerd Hoffmann res->height = qemu_get_be32(f);
12910c244e50SGerd Hoffmann res->format = qemu_get_be32(f);
12920c244e50SGerd Hoffmann res->iov_cnt = qemu_get_be32(f);
12930c244e50SGerd Hoffmann
12940c244e50SGerd Hoffmann /* allocate */
129583a7d3c0SMarc-André Lureau pformat = virtio_gpu_get_pixman_format(res->format);
12960c244e50SGerd Hoffmann if (!pformat) {
1297c84f0f25SPeter Maydell g_free(res);
12980c244e50SGerd Hoffmann return -EINVAL;
12990c244e50SGerd Hoffmann }
13009462ff46SMarc-André Lureau
13019462ff46SMarc-André Lureau res->hostmem = calc_image_hostmem(pformat, res->width, res->height);
13029462ff46SMarc-André Lureau #ifdef WIN32
13039462ff46SMarc-André Lureau bits = qemu_win32_map_alloc(res->hostmem, &res->handle, &error_warn);
13049462ff46SMarc-André Lureau if (!bits) {
13059462ff46SMarc-André Lureau g_free(res);
13069462ff46SMarc-André Lureau return -EINVAL;
13079462ff46SMarc-André Lureau }
13089462ff46SMarc-André Lureau #endif
13099c18a923SMarc-André Lureau res->image = pixman_image_create_bits(
13109c18a923SMarc-André Lureau pformat,
13110c244e50SGerd Hoffmann res->width, res->height,
13129c18a923SMarc-André Lureau bits, res->height ? res->hostmem / res->height : 0);
13130c244e50SGerd Hoffmann if (!res->image) {
1314c84f0f25SPeter Maydell g_free(res);
13150c244e50SGerd Hoffmann return -EINVAL;
13160c244e50SGerd Hoffmann }
131704562ee8SMarc-André Lureau #ifdef WIN32
131804562ee8SMarc-André Lureau pixman_image_set_destroy_function(res->image, win32_pixman_image_destroy, res->handle);
131904562ee8SMarc-André Lureau #endif
1320039aa5dbSPeter Maydell
13210c244e50SGerd Hoffmann res->addrs = g_new(uint64_t, res->iov_cnt);
13220c244e50SGerd Hoffmann res->iov = g_new(struct iovec, res->iov_cnt);
13230c244e50SGerd Hoffmann
13240c244e50SGerd Hoffmann /* read data */
13250c244e50SGerd Hoffmann for (i = 0; i < res->iov_cnt; i++) {
13260c244e50SGerd Hoffmann res->addrs[i] = qemu_get_be64(f);
13270c244e50SGerd Hoffmann res->iov[i].iov_len = qemu_get_be32(f);
13280c244e50SGerd Hoffmann }
13290c244e50SGerd Hoffmann qemu_get_buffer(f, (void *)pixman_image_get_data(res->image),
13300c244e50SGerd Hoffmann pixman_image_get_stride(res->image) * res->height);
13310c244e50SGerd Hoffmann
1332e92ffae6SMarc-André Lureau if (!virtio_gpu_load_restore_mapping(g, res)) {
1333c84f0f25SPeter Maydell pixman_image_unref(res->image);
1334c84f0f25SPeter Maydell g_free(res);
13350c244e50SGerd Hoffmann return -EINVAL;
13360c244e50SGerd Hoffmann }
13370c244e50SGerd Hoffmann
13380c244e50SGerd Hoffmann resource_id = qemu_get_be32(f);
13390c244e50SGerd Hoffmann }
13400c244e50SGerd Hoffmann
13410c244e50SGerd Hoffmann /* load & apply scanout state */
13420c244e50SGerd Hoffmann vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1);
13430f2a301dSMarc-André Lureau
13440f2a301dSMarc-André Lureau return 0;
13450f2a301dSMarc-André Lureau }
13460f2a301dSMarc-André Lureau
virtio_gpu_blob_save(QEMUFile * f,void * opaque,size_t size,const VMStateField * field,JSONWriter * vmdesc)1347f66767f7SMarc-André Lureau static int virtio_gpu_blob_save(QEMUFile *f, void *opaque, size_t size,
1348f66767f7SMarc-André Lureau const VMStateField *field, JSONWriter *vmdesc)
1349f66767f7SMarc-André Lureau {
1350f66767f7SMarc-André Lureau VirtIOGPU *g = opaque;
1351f66767f7SMarc-André Lureau struct virtio_gpu_simple_resource *res;
1352f66767f7SMarc-André Lureau int i;
1353f66767f7SMarc-André Lureau
1354f66767f7SMarc-André Lureau /* in 2d mode we should never find unprocessed commands here */
1355f66767f7SMarc-André Lureau assert(QTAILQ_EMPTY(&g->cmdq));
1356f66767f7SMarc-André Lureau
1357f66767f7SMarc-André Lureau QTAILQ_FOREACH(res, &g->reslist, next) {
1358f66767f7SMarc-André Lureau if (!res->blob_size) {
1359f66767f7SMarc-André Lureau continue;
1360f66767f7SMarc-André Lureau }
1361dfcf74faSMarc-André Lureau assert(!res->image);
1362f66767f7SMarc-André Lureau qemu_put_be32(f, res->resource_id);
1363f66767f7SMarc-André Lureau qemu_put_be32(f, res->blob_size);
1364f66767f7SMarc-André Lureau qemu_put_be32(f, res->iov_cnt);
1365f66767f7SMarc-André Lureau for (i = 0; i < res->iov_cnt; i++) {
1366f66767f7SMarc-André Lureau qemu_put_be64(f, res->addrs[i]);
1367f66767f7SMarc-André Lureau qemu_put_be32(f, res->iov[i].iov_len);
1368f66767f7SMarc-André Lureau }
1369f66767f7SMarc-André Lureau }
1370f66767f7SMarc-André Lureau qemu_put_be32(f, 0); /* end of list */
1371f66767f7SMarc-André Lureau
1372f66767f7SMarc-André Lureau return 0;
1373f66767f7SMarc-André Lureau }
1374f66767f7SMarc-André Lureau
virtio_gpu_blob_load(QEMUFile * f,void * opaque,size_t size,const VMStateField * field)1375f66767f7SMarc-André Lureau static int virtio_gpu_blob_load(QEMUFile *f, void *opaque, size_t size,
1376f66767f7SMarc-André Lureau const VMStateField *field)
1377f66767f7SMarc-André Lureau {
1378f66767f7SMarc-André Lureau VirtIOGPU *g = opaque;
1379f66767f7SMarc-André Lureau struct virtio_gpu_simple_resource *res;
1380f66767f7SMarc-André Lureau uint32_t resource_id;
1381f66767f7SMarc-André Lureau int i;
1382f66767f7SMarc-André Lureau
1383f66767f7SMarc-André Lureau resource_id = qemu_get_be32(f);
1384f66767f7SMarc-André Lureau while (resource_id != 0) {
1385f66767f7SMarc-André Lureau res = virtio_gpu_find_resource(g, resource_id);
1386f66767f7SMarc-André Lureau if (res) {
1387f66767f7SMarc-André Lureau return -EINVAL;
1388f66767f7SMarc-André Lureau }
1389f66767f7SMarc-André Lureau
1390f66767f7SMarc-André Lureau res = g_new0(struct virtio_gpu_simple_resource, 1);
1391f66767f7SMarc-André Lureau res->resource_id = resource_id;
1392f66767f7SMarc-André Lureau res->blob_size = qemu_get_be32(f);
1393f66767f7SMarc-André Lureau res->iov_cnt = qemu_get_be32(f);
1394f66767f7SMarc-André Lureau res->addrs = g_new(uint64_t, res->iov_cnt);
1395f66767f7SMarc-André Lureau res->iov = g_new(struct iovec, res->iov_cnt);
1396f66767f7SMarc-André Lureau
1397f66767f7SMarc-André Lureau /* read data */
1398f66767f7SMarc-André Lureau for (i = 0; i < res->iov_cnt; i++) {
1399f66767f7SMarc-André Lureau res->addrs[i] = qemu_get_be64(f);
1400f66767f7SMarc-André Lureau res->iov[i].iov_len = qemu_get_be32(f);
1401f66767f7SMarc-André Lureau }
1402f66767f7SMarc-André Lureau
1403f66767f7SMarc-André Lureau if (!virtio_gpu_load_restore_mapping(g, res)) {
1404f66767f7SMarc-André Lureau g_free(res);
1405f66767f7SMarc-André Lureau return -EINVAL;
1406f66767f7SMarc-André Lureau }
1407f66767f7SMarc-André Lureau
1408f66767f7SMarc-André Lureau virtio_gpu_init_udmabuf(res);
1409f66767f7SMarc-André Lureau
1410f66767f7SMarc-André Lureau resource_id = qemu_get_be32(f);
1411f66767f7SMarc-André Lureau }
1412f66767f7SMarc-André Lureau
1413f66767f7SMarc-André Lureau return 0;
1414f66767f7SMarc-André Lureau }
1415f66767f7SMarc-André Lureau
virtio_gpu_post_load(void * opaque,int version_id)14160f2a301dSMarc-André Lureau static int virtio_gpu_post_load(void *opaque, int version_id)
14170f2a301dSMarc-André Lureau {
14180f2a301dSMarc-André Lureau VirtIOGPU *g = opaque;
14190f2a301dSMarc-André Lureau struct virtio_gpu_scanout *scanout;
14200f2a301dSMarc-André Lureau struct virtio_gpu_simple_resource *res;
14210f2a301dSMarc-André Lureau int i;
14220f2a301dSMarc-André Lureau
142350d8e25eSMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
142450d8e25eSMarc-André Lureau scanout = &g->parent_obj.scanout[i];
14250c244e50SGerd Hoffmann if (!scanout->resource_id) {
14260c244e50SGerd Hoffmann continue;
14270c244e50SGerd Hoffmann }
1428dfcf74faSMarc-André Lureau
14290c244e50SGerd Hoffmann res = virtio_gpu_find_resource(g, scanout->resource_id);
14300c244e50SGerd Hoffmann if (!res) {
14310c244e50SGerd Hoffmann return -EINVAL;
14320c244e50SGerd Hoffmann }
1433dfcf74faSMarc-André Lureau
1434dfcf74faSMarc-André Lureau if (scanout->fb.format != 0) {
1435dfcf74faSMarc-André Lureau uint32_t error = 0;
1436dfcf74faSMarc-André Lureau struct virtio_gpu_rect r = {
1437dfcf74faSMarc-André Lureau .x = scanout->x,
1438dfcf74faSMarc-André Lureau .y = scanout->y,
1439dfcf74faSMarc-André Lureau .width = scanout->width,
1440dfcf74faSMarc-André Lureau .height = scanout->height
1441dfcf74faSMarc-André Lureau };
1442dfcf74faSMarc-André Lureau
1443dfcf74faSMarc-André Lureau if (!virtio_gpu_do_set_scanout(g, i, &scanout->fb, res, &r, &error)) {
1444dfcf74faSMarc-André Lureau return -EINVAL;
1445dfcf74faSMarc-André Lureau }
1446dfcf74faSMarc-André Lureau } else {
1447dfcf74faSMarc-André Lureau /* legacy v1 migration support */
1448dfcf74faSMarc-André Lureau if (!res->image) {
1449dfcf74faSMarc-André Lureau return -EINVAL;
1450dfcf74faSMarc-André Lureau }
14510c244e50SGerd Hoffmann scanout->ds = qemu_create_displaysurface_pixman(res->image);
14529462ff46SMarc-André Lureau #ifdef WIN32
14539462ff46SMarc-André Lureau qemu_displaysurface_win32_set_handle(scanout->ds, res->handle, 0);
14549462ff46SMarc-André Lureau #endif
14550c244e50SGerd Hoffmann dpy_gfx_replace_surface(scanout->con, scanout->ds);
1456dfcf74faSMarc-André Lureau }
1457dfcf74faSMarc-André Lureau
145891155f8bSGerd Hoffmann dpy_gfx_update_full(scanout->con);
145910750ee0SGerd Hoffmann if (scanout->cursor.resource_id) {
14600c244e50SGerd Hoffmann update_cursor(g, &scanout->cursor);
146110750ee0SGerd Hoffmann }
14620c244e50SGerd Hoffmann res->scanout_bitmask |= (1 << i);
14630c244e50SGerd Hoffmann }
14640c244e50SGerd Hoffmann
14650c244e50SGerd Hoffmann return 0;
14660c244e50SGerd Hoffmann }
14670c244e50SGerd Hoffmann
virtio_gpu_device_realize(DeviceState * qdev,Error ** errp)146837f86af0SGerd Hoffmann void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
146962232bf4SGerd Hoffmann {
147062232bf4SGerd Hoffmann VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
147162232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(qdev);
14729d9e1521SGerd Hoffmann
1473cce386e1SVivek Kasireddy if (virtio_gpu_blob_enabled(g->parent_obj.conf)) {
14748e7b21caSGurchetan Singh if (!virtio_gpu_rutabaga_enabled(g->parent_obj.conf) &&
14758e7b21caSGurchetan Singh !virtio_gpu_have_udmabuf()) {
14768e7b21caSGurchetan Singh error_setg(errp, "need rutabaga or udmabuf for blob resources");
1477cce386e1SVivek Kasireddy return;
1478cce386e1SVivek Kasireddy }
1479cce386e1SVivek Kasireddy
1480cce386e1SVivek Kasireddy if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) {
1481cce386e1SVivek Kasireddy error_setg(errp, "blobs and virgl are not compatible (yet)");
1482cce386e1SVivek Kasireddy return;
1483cce386e1SVivek Kasireddy }
1484cce386e1SVivek Kasireddy }
1485cce386e1SVivek Kasireddy
148650d8e25eSMarc-André Lureau if (!virtio_gpu_base_device_realize(qdev,
148750d8e25eSMarc-André Lureau virtio_gpu_handle_ctrl_cb,
148850d8e25eSMarc-André Lureau virtio_gpu_handle_cursor_cb,
148950d8e25eSMarc-André Lureau errp)) {
1490fe44dc91SAshijeet Acharya return;
1491fe44dc91SAshijeet Acharya }
1492fe44dc91SAshijeet Acharya
149350d8e25eSMarc-André Lureau g->ctrl_vq = virtio_get_queue(vdev, 0);
149450d8e25eSMarc-André Lureau g->cursor_vq = virtio_get_queue(vdev, 1);
1495*ba28e0ffSPhilippe Mathieu-Daudé g->ctrl_bh = virtio_bh_new_guarded(qdev, virtio_gpu_ctrl_bh, g);
1496*ba28e0ffSPhilippe Mathieu-Daudé g->cursor_bh = virtio_bh_new_guarded(qdev, virtio_gpu_cursor_bh, g);
1497a41e2d97SMarc-André Lureau g->reset_bh = qemu_bh_new(virtio_gpu_reset_bh, g);
1498a41e2d97SMarc-André Lureau qemu_cond_init(&g->reset_cond);
149962232bf4SGerd Hoffmann QTAILQ_INIT(&g->reslist);
15003eb769fdSGerd Hoffmann QTAILQ_INIT(&g->cmdq);
150162232bf4SGerd Hoffmann QTAILQ_INIT(&g->fenceq);
150262232bf4SGerd Hoffmann }
150362232bf4SGerd Hoffmann
virtio_gpu_device_unrealize(DeviceState * qdev)1504957d7786SMarc-André Lureau static void virtio_gpu_device_unrealize(DeviceState *qdev)
1505957d7786SMarc-André Lureau {
1506957d7786SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(qdev);
1507957d7786SMarc-André Lureau
1508957d7786SMarc-André Lureau g_clear_pointer(&g->ctrl_bh, qemu_bh_delete);
1509957d7786SMarc-André Lureau g_clear_pointer(&g->cursor_bh, qemu_bh_delete);
1510a41e2d97SMarc-André Lureau g_clear_pointer(&g->reset_bh, qemu_bh_delete);
1511a41e2d97SMarc-André Lureau qemu_cond_destroy(&g->reset_cond);
1512957d7786SMarc-André Lureau virtio_gpu_base_device_unrealize(qdev);
1513957d7786SMarc-André Lureau }
1514957d7786SMarc-André Lureau
virtio_gpu_reset_bh(void * opaque)1515a41e2d97SMarc-André Lureau static void virtio_gpu_reset_bh(void *opaque)
1516a41e2d97SMarc-André Lureau {
1517a41e2d97SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(opaque);
1518330399bdSManos Pitsidianakis VirtIOGPUClass *vgc = VIRTIO_GPU_GET_CLASS(g);
1519a41e2d97SMarc-André Lureau struct virtio_gpu_simple_resource *res, *tmp;
1520330399bdSManos Pitsidianakis uint32_t resource_id;
1521330399bdSManos Pitsidianakis Error *local_err = NULL;
1522a41e2d97SMarc-André Lureau int i = 0;
1523a41e2d97SMarc-André Lureau
1524a41e2d97SMarc-André Lureau QTAILQ_FOREACH_SAFE(res, &g->reslist, next, tmp) {
1525330399bdSManos Pitsidianakis resource_id = res->resource_id;
1526330399bdSManos Pitsidianakis vgc->resource_destroy(g, res, &local_err);
1527330399bdSManos Pitsidianakis if (local_err) {
1528330399bdSManos Pitsidianakis error_append_hint(&local_err, "%s: %s resource_destroy"
1529330399bdSManos Pitsidianakis "for resource_id = %"PRIu32" failed.\n",
1530330399bdSManos Pitsidianakis __func__, object_get_typename(OBJECT(g)),
1531330399bdSManos Pitsidianakis resource_id);
1532330399bdSManos Pitsidianakis /* error_report_err frees the error object for us */
1533330399bdSManos Pitsidianakis error_report_err(local_err);
1534330399bdSManos Pitsidianakis local_err = NULL;
1535330399bdSManos Pitsidianakis }
1536a41e2d97SMarc-André Lureau }
1537a41e2d97SMarc-André Lureau
1538a41e2d97SMarc-André Lureau for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
1539a41e2d97SMarc-André Lureau dpy_gfx_replace_surface(g->parent_obj.scanout[i].con, NULL);
1540a41e2d97SMarc-André Lureau }
1541a41e2d97SMarc-André Lureau
1542a41e2d97SMarc-André Lureau g->reset_finished = true;
1543a41e2d97SMarc-André Lureau qemu_cond_signal(&g->reset_cond);
1544a41e2d97SMarc-André Lureau }
1545a41e2d97SMarc-André Lureau
virtio_gpu_reset(VirtIODevice * vdev)154676fa8b35SGerd Hoffmann void virtio_gpu_reset(VirtIODevice *vdev)
154762232bf4SGerd Hoffmann {
154862232bf4SGerd Hoffmann VirtIOGPU *g = VIRTIO_GPU(vdev);
1549dc84ed5bSGerd Hoffmann struct virtio_gpu_ctrl_command *cmd;
155062232bf4SGerd Hoffmann
1551a41e2d97SMarc-André Lureau if (qemu_in_vcpu_thread()) {
1552a41e2d97SMarc-André Lureau g->reset_finished = false;
1553a41e2d97SMarc-André Lureau qemu_bh_schedule(g->reset_bh);
1554a41e2d97SMarc-André Lureau while (!g->reset_finished) {
15557c754c78SStefan Hajnoczi qemu_cond_wait_bql(&g->reset_cond);
1556a41e2d97SMarc-André Lureau }
1557a41e2d97SMarc-André Lureau } else {
15588b162082SManos Pitsidianakis aio_bh_call(g->reset_bh);
155962232bf4SGerd Hoffmann }
15609d9e1521SGerd Hoffmann
1561dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->cmdq)) {
1562dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->cmdq);
1563dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->cmdq, cmd, next);
1564dc84ed5bSGerd Hoffmann g_free(cmd);
1565dc84ed5bSGerd Hoffmann }
1566dc84ed5bSGerd Hoffmann
1567dc84ed5bSGerd Hoffmann while (!QTAILQ_EMPTY(&g->fenceq)) {
1568dc84ed5bSGerd Hoffmann cmd = QTAILQ_FIRST(&g->fenceq);
1569dc84ed5bSGerd Hoffmann QTAILQ_REMOVE(&g->fenceq, cmd, next);
1570dc84ed5bSGerd Hoffmann g->inflight--;
1571dc84ed5bSGerd Hoffmann g_free(cmd);
1572dc84ed5bSGerd Hoffmann }
1573dc84ed5bSGerd Hoffmann
157450d8e25eSMarc-André Lureau virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev));
157550d8e25eSMarc-André Lureau }
157650d8e25eSMarc-André Lureau
157750d8e25eSMarc-André Lureau static void
virtio_gpu_get_config(VirtIODevice * vdev,uint8_t * config)157850d8e25eSMarc-André Lureau virtio_gpu_get_config(VirtIODevice *vdev, uint8_t *config)
157950d8e25eSMarc-André Lureau {
158050d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev);
158150d8e25eSMarc-André Lureau
158250d8e25eSMarc-André Lureau memcpy(config, &g->virtio_config, sizeof(g->virtio_config));
158350d8e25eSMarc-André Lureau }
158450d8e25eSMarc-André Lureau
158550d8e25eSMarc-André Lureau static void
virtio_gpu_set_config(VirtIODevice * vdev,const uint8_t * config)158650d8e25eSMarc-André Lureau virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config)
158750d8e25eSMarc-André Lureau {
158850d8e25eSMarc-André Lureau VirtIOGPUBase *g = VIRTIO_GPU_BASE(vdev);
158950d8e25eSMarc-André Lureau const struct virtio_gpu_config *vgconfig =
159050d8e25eSMarc-André Lureau (const struct virtio_gpu_config *)config;
159150d8e25eSMarc-André Lureau
159250d8e25eSMarc-André Lureau if (vgconfig->events_clear) {
159350d8e25eSMarc-André Lureau g->virtio_config.events_read &= ~vgconfig->events_clear;
159450d8e25eSMarc-André Lureau }
159562232bf4SGerd Hoffmann }
159662232bf4SGerd Hoffmann
virtio_gpu_blob_state_needed(void * opaque)1597f66767f7SMarc-André Lureau static bool virtio_gpu_blob_state_needed(void *opaque)
1598f66767f7SMarc-André Lureau {
1599f66767f7SMarc-André Lureau VirtIOGPU *g = VIRTIO_GPU(opaque);
1600f66767f7SMarc-André Lureau
1601f66767f7SMarc-André Lureau return virtio_gpu_blob_enabled(g->parent_obj.conf);
1602f66767f7SMarc-André Lureau }
1603f66767f7SMarc-André Lureau
1604f66767f7SMarc-André Lureau const VMStateDescription vmstate_virtio_gpu_blob_state = {
1605f66767f7SMarc-André Lureau .name = "virtio-gpu/blob",
1606f66767f7SMarc-André Lureau .minimum_version_id = VIRTIO_GPU_VM_VERSION,
1607f66767f7SMarc-André Lureau .version_id = VIRTIO_GPU_VM_VERSION,
1608f66767f7SMarc-André Lureau .needed = virtio_gpu_blob_state_needed,
1609f66767f7SMarc-André Lureau .fields = (const VMStateField[]){
1610f66767f7SMarc-André Lureau {
1611f66767f7SMarc-André Lureau .name = "virtio-gpu/blob",
1612f66767f7SMarc-André Lureau .info = &(const VMStateInfo) {
1613f66767f7SMarc-André Lureau .name = "blob",
1614f66767f7SMarc-André Lureau .get = virtio_gpu_blob_load,
1615f66767f7SMarc-André Lureau .put = virtio_gpu_blob_save,
1616f66767f7SMarc-André Lureau },
1617f66767f7SMarc-André Lureau .flags = VMS_SINGLE,
1618f66767f7SMarc-André Lureau } /* device */,
1619f66767f7SMarc-André Lureau VMSTATE_END_OF_LIST()
1620f66767f7SMarc-André Lureau },
1621f66767f7SMarc-André Lureau };
1622f66767f7SMarc-André Lureau
16238a502efdSHalil Pasic /*
16248a502efdSHalil Pasic * For historical reasons virtio_gpu does not adhere to virtio migration
16258a502efdSHalil Pasic * scheme as described in doc/virtio-migration.txt, in a sense that no
16268a502efdSHalil Pasic * save/load callback are provided to the core. Instead the device data
16278a502efdSHalil Pasic * is saved/loaded after the core data.
16288a502efdSHalil Pasic *
16298a502efdSHalil Pasic * Because of this we need a special vmsd.
16308a502efdSHalil Pasic */
16318a502efdSHalil Pasic static const VMStateDescription vmstate_virtio_gpu = {
16328a502efdSHalil Pasic .name = "virtio-gpu",
16338a502efdSHalil Pasic .minimum_version_id = VIRTIO_GPU_VM_VERSION,
16348a502efdSHalil Pasic .version_id = VIRTIO_GPU_VM_VERSION,
1635f0613160SRichard Henderson .fields = (const VMStateField[]) {
16368a502efdSHalil Pasic VMSTATE_VIRTIO_DEVICE /* core */,
16378a502efdSHalil Pasic {
16388a502efdSHalil Pasic .name = "virtio-gpu",
16398a502efdSHalil Pasic .info = &(const VMStateInfo) {
16408a502efdSHalil Pasic .name = "virtio-gpu",
16418a502efdSHalil Pasic .get = virtio_gpu_load,
16428a502efdSHalil Pasic .put = virtio_gpu_save,
16438a502efdSHalil Pasic },
16448a502efdSHalil Pasic .flags = VMS_SINGLE,
16458a502efdSHalil Pasic } /* device */,
16468a502efdSHalil Pasic VMSTATE_END_OF_LIST()
16478a502efdSHalil Pasic },
1648f0613160SRichard Henderson .subsections = (const VMStateDescription * const []) {
1649f66767f7SMarc-André Lureau &vmstate_virtio_gpu_blob_state,
1650f66767f7SMarc-André Lureau NULL
1651f66767f7SMarc-André Lureau },
16520f2a301dSMarc-André Lureau .post_load = virtio_gpu_post_load,
16538a502efdSHalil Pasic };
16540fc07498SDr. David Alan Gilbert
165562232bf4SGerd Hoffmann static Property virtio_gpu_properties[] = {
165650d8e25eSMarc-André Lureau VIRTIO_GPU_BASE_PROPERTIES(VirtIOGPU, parent_obj.conf),
165750d8e25eSMarc-André Lureau DEFINE_PROP_SIZE("max_hostmem", VirtIOGPU, conf_max_hostmem,
165850d8e25eSMarc-André Lureau 256 * MiB),
1659cce386e1SVivek Kasireddy DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags,
1660cce386e1SVivek Kasireddy VIRTIO_GPU_FLAG_BLOB_ENABLED, false),
1661ba62dfa7SGerd Hoffmann DEFINE_PROP_SIZE("hostmem", VirtIOGPU, parent_obj.conf.hostmem, 0),
166262232bf4SGerd Hoffmann DEFINE_PROP_END_OF_LIST(),
166362232bf4SGerd Hoffmann };
166462232bf4SGerd Hoffmann
virtio_gpu_class_init(ObjectClass * klass,void * data)166562232bf4SGerd Hoffmann static void virtio_gpu_class_init(ObjectClass *klass, void *data)
166662232bf4SGerd Hoffmann {
166762232bf4SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass);
166862232bf4SGerd Hoffmann VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
1669cabbe8e5SGerd Hoffmann VirtIOGPUClass *vgc = VIRTIO_GPU_CLASS(klass);
1670b3a5dfdeSVivek Kasireddy VirtIOGPUBaseClass *vgbc = &vgc->parent;
167162232bf4SGerd Hoffmann
1672cabbe8e5SGerd Hoffmann vgc->handle_ctrl = virtio_gpu_handle_ctrl;
16732f47691aSGerd Hoffmann vgc->process_cmd = virtio_gpu_simple_process_cmd;
16742c267d66SGerd Hoffmann vgc->update_cursor_data = virtio_gpu_update_cursor_data;
1675330399bdSManos Pitsidianakis vgc->resource_destroy = virtio_gpu_resource_destroy;
1676b3a5dfdeSVivek Kasireddy vgbc->gl_flushed = virtio_gpu_handle_gl_flushed;
1677cabbe8e5SGerd Hoffmann
167862232bf4SGerd Hoffmann vdc->realize = virtio_gpu_device_realize;
1679957d7786SMarc-André Lureau vdc->unrealize = virtio_gpu_device_unrealize;
168050d8e25eSMarc-André Lureau vdc->reset = virtio_gpu_reset;
168162232bf4SGerd Hoffmann vdc->get_config = virtio_gpu_get_config;
168262232bf4SGerd Hoffmann vdc->set_config = virtio_gpu_set_config;
168362232bf4SGerd Hoffmann
16840fc07498SDr. David Alan Gilbert dc->vmsd = &vmstate_virtio_gpu;
16854f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_gpu_properties);
168662232bf4SGerd Hoffmann }
168762232bf4SGerd Hoffmann
168862232bf4SGerd Hoffmann static const TypeInfo virtio_gpu_info = {
168962232bf4SGerd Hoffmann .name = TYPE_VIRTIO_GPU,
169050d8e25eSMarc-André Lureau .parent = TYPE_VIRTIO_GPU_BASE,
169162232bf4SGerd Hoffmann .instance_size = sizeof(VirtIOGPU),
1692cabbe8e5SGerd Hoffmann .class_size = sizeof(VirtIOGPUClass),
169362232bf4SGerd Hoffmann .class_init = virtio_gpu_class_init,
169462232bf4SGerd Hoffmann };
1695561d0f45SGerd Hoffmann module_obj(TYPE_VIRTIO_GPU);
169624ce7aa7SJose R. Ziviani module_kconfig(VIRTIO_GPU);
169762232bf4SGerd Hoffmann
virtio_register_types(void)169862232bf4SGerd Hoffmann static void virtio_register_types(void)
169962232bf4SGerd Hoffmann {
170062232bf4SGerd Hoffmann type_register_static(&virtio_gpu_info);
170162232bf4SGerd Hoffmann }
170262232bf4SGerd Hoffmann
170362232bf4SGerd Hoffmann type_init(virtio_register_types)
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