[qemu.git] / ui / spice-display.c

/*
 * Copyright (C) 2010 Red Hat, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 or
 * (at your option) version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <pthread.h>

#include "qemu-common.h"
#include "qemu-spice.h"
#include "qemu-timer.h"
#include "qemu-queue.h"
#include "monitor.h"
#include "console.h"
#include "sysemu.h"

#include "spice-display.h"

static int debug = 0;

static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
{
    va_list args;

    if (level <= debug) {
        va_start(args, fmt);
        vfprintf(stderr, fmt, args);
        va_end(args);
    }
}

int qemu_spice_rect_is_empty(const QXLRect* r)
{
    return r->top == r->bottom || r->left == r->right;
}

void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r)
{
    if (qemu_spice_rect_is_empty(r)) {
        return;
    }

    if (qemu_spice_rect_is_empty(dest)) {
        *dest = *r;
        return;
    }

    dest->top = MIN(dest->top, r->top);
    dest->left = MIN(dest->left, r->left);
    dest->bottom = MAX(dest->bottom, r->bottom);
    dest->right = MAX(dest->right, r->right);
}

static SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd)
{
    SimpleSpiceUpdate *update;
    QXLDrawable *drawable;
    QXLImage *image;
    QXLCommand *cmd;
    uint8_t *src, *dst;
    int by, bw, bh;

    if (qemu_spice_rect_is_empty(&ssd->dirty)) {
        return NULL;
    };

    dprint(2, "%s: lr %d -> %d,  tb -> %d -> %d\n", __FUNCTION__,
           ssd->dirty.left, ssd->dirty.right,
           ssd->dirty.top, ssd->dirty.bottom);

    update   = qemu_mallocz(sizeof(*update));
    drawable = &update->drawable;
    image    = &update->image;
    cmd      = &update->ext.cmd;

    bw       = ssd->dirty.right - ssd->dirty.left;
    bh       = ssd->dirty.bottom - ssd->dirty.top;
    update->bitmap = qemu_malloc(bw * bh * 4);

    drawable->bbox            = ssd->dirty;
    drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
    drawable->effect          = QXL_EFFECT_OPAQUE;
    drawable->release_info.id = (intptr_t)update;
    drawable->type            = QXL_DRAW_COPY;
    drawable->surfaces_dest[0] = -1;
    drawable->surfaces_dest[1] = -1;
    drawable->surfaces_dest[2] = -1;

    drawable->u.copy.rop_descriptor  = SPICE_ROPD_OP_PUT;
    drawable->u.copy.src_bitmap      = (intptr_t)image;
    drawable->u.copy.src_area.right  = bw;
    drawable->u.copy.src_area.bottom = bh;

    QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
    image->descriptor.type   = SPICE_IMAGE_TYPE_BITMAP;
    image->bitmap.flags      = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
    image->bitmap.stride     = bw * 4;
    image->descriptor.width  = image->bitmap.x = bw;
    image->descriptor.height = image->bitmap.y = bh;
    image->bitmap.data = (intptr_t)(update->bitmap);
    image->bitmap.palette = 0;
    image->bitmap.format = SPICE_BITMAP_FMT_32BIT;

    if (ssd->conv == NULL) {
        PixelFormat dst = qemu_default_pixelformat(32);
        ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf);
        assert(ssd->conv);
    }

    src = ds_get_data(ssd->ds) +
        ssd->dirty.top * ds_get_linesize(ssd->ds) +
        ssd->dirty.left * ds_get_bytes_per_pixel(ssd->ds);
    dst = update->bitmap;
    for (by = 0; by < bh; by++) {
        qemu_pf_conv_run(ssd->conv, dst, src, bw);
        src += ds_get_linesize(ssd->ds);
        dst += image->bitmap.stride;
    }

    cmd->type = QXL_CMD_DRAW;
    cmd->data = (intptr_t)drawable;

    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
    return update;
}

/*
 * Called from spice server thread context (via interface_release_ressource)
 * We do *not* hold the global qemu mutex here, so extra care is needed
 * when calling qemu functions.  Qemu interfaces used:
 *    - qemu_free (underlying glibc free is re-entrant).
 */
void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
{
    qemu_free(update->bitmap);
    qemu_free(update);
}

void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
{
    QXLDevMemSlot memslot;

    dprint(1, "%s:\n", __FUNCTION__);

    memset(&memslot, 0, sizeof(memslot));
    memslot.slot_group_id = MEMSLOT_GROUP_HOST;
    memslot.virt_end = ~0;
    ssd->worker->add_memslot(ssd->worker, &memslot);
}

void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
{
    QXLDevSurfaceCreate surface;

    dprint(1, "%s: %dx%d\n", __FUNCTION__,
           ds_get_width(ssd->ds), ds_get_height(ssd->ds));

    surface.format     = SPICE_SURFACE_FMT_32_xRGB;
    surface.width      = ds_get_width(ssd->ds);
    surface.height     = ds_get_height(ssd->ds);
    surface.stride     = -surface.width * 4;
    surface.mouse_mode = true;
    surface.flags      = 0;
    surface.type       = 0;
    surface.mem        = (intptr_t)ssd->buf;
    surface.group_id   = MEMSLOT_GROUP_HOST;

    ssd->worker->create_primary_surface(ssd->worker, 0, &surface);
}

void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
{
    dprint(1, "%s:\n", __FUNCTION__);

    ssd->worker->destroy_primary_surface(ssd->worker, 0);
}

void qemu_spice_vm_change_state_handler(void *opaque, int running, int reason)
{
    SimpleSpiceDisplay *ssd = opaque;

    if (running) {
        ssd->worker->start(ssd->worker);
    } else {
        ssd->worker->stop(ssd->worker);
    }
    ssd->running = running;
}

/* display listener callbacks */

void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
                               int x, int y, int w, int h)
{
    QXLRect update_area;

    dprint(2, "%s: x %d y %d w %d h %d\n", __FUNCTION__, x, y, w, h);
    update_area.left = x,
    update_area.right = x + w;
    update_area.top = y;
    update_area.bottom = y + h;

    if (qemu_spice_rect_is_empty(&ssd->dirty)) {
        ssd->notify++;
    }
    qemu_spice_rect_union(&ssd->dirty, &update_area);
}

void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
{
    dprint(1, "%s:\n", __FUNCTION__);

    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
    qemu_pf_conv_put(ssd->conv);
    ssd->conv = NULL;

    qemu_mutex_lock(&ssd->lock);
    if (ssd->update != NULL) {
        qemu_spice_destroy_update(ssd, ssd->update);
        ssd->update = NULL;
    }
    qemu_mutex_unlock(&ssd->lock);
    qemu_spice_destroy_host_primary(ssd);
    qemu_spice_create_host_primary(ssd);

    memset(&ssd->dirty, 0, sizeof(ssd->dirty));
    ssd->notify++;
}

void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
{
    dprint(3, "%s:\n", __FUNCTION__);
    vga_hw_update();

    qemu_mutex_lock(&ssd->lock);
    if (ssd->update == NULL) {
        ssd->update = qemu_spice_create_update(ssd);
        ssd->notify++;
    }
    if (ssd->cursor) {
        ssd->ds->cursor_define(ssd->cursor);
        cursor_put(ssd->cursor);
        ssd->cursor = NULL;
    }
    if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
        ssd->ds->mouse_set(ssd->mouse_x, ssd->mouse_y, 1);
        ssd->mouse_x = -1;
        ssd->mouse_y = -1;
    }
    qemu_mutex_unlock(&ssd->lock);

    if (ssd->notify) {
        ssd->notify = 0;
        ssd->worker->wakeup(ssd->worker);
        dprint(2, "%s: notify\n", __FUNCTION__);
    }
}

/* spice display interface callbacks */

static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
{
    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);

    dprint(1, "%s:\n", __FUNCTION__);
    ssd->worker = qxl_worker;
}

static void interface_set_compression_level(QXLInstance *sin, int level)
{
    dprint(1, "%s:\n", __FUNCTION__);
    /* nothing to do */
}

static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
{
    dprint(3, "%s:\n", __FUNCTION__);
    /* nothing to do */
}

static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
{
    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);

    info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
    info->memslot_id_bits  = MEMSLOT_SLOT_BITS;
    info->num_memslots = NUM_MEMSLOTS;
    info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
    info->internal_groupslot_id = 0;
    info->qxl_ram_size = ssd->bufsize;
    info->n_surfaces = NUM_SURFACES;
}

static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
    SimpleSpiceUpdate *update;
    int ret = false;

    dprint(3, "%s:\n", __FUNCTION__);

    qemu_mutex_lock(&ssd->lock);
    if (ssd->update != NULL) {
        update = ssd->update;
        ssd->update = NULL;
        *ext = update->ext;
        ret = true;
    }
    qemu_mutex_unlock(&ssd->lock);

    return ret;
}

static int interface_req_cmd_notification(QXLInstance *sin)
{
    dprint(1, "%s:\n", __FUNCTION__);
    return 1;
}

static void interface_release_resource(QXLInstance *sin,
                                       struct QXLReleaseInfoExt ext)
{
    SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
    uintptr_t id;

    dprint(2, "%s:\n", __FUNCTION__);
    id = ext.info->id;
    qemu_spice_destroy_update(ssd, (void*)id);
}

static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
    dprint(3, "%s:\n", __FUNCTION__);
    return false;
}

static int interface_req_cursor_notification(QXLInstance *sin)
{
    dprint(1, "%s:\n", __FUNCTION__);
    return 1;
}

static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
{
    fprintf(stderr, "%s: abort()\n", __FUNCTION__);
    abort();
}

static int interface_flush_resources(QXLInstance *sin)
{
    fprintf(stderr, "%s: abort()\n", __FUNCTION__);
    abort();
    return 0;
}

static const QXLInterface dpy_interface = {
    .base.type               = SPICE_INTERFACE_QXL,
    .base.description        = "qemu simple display",
    .base.major_version      = SPICE_INTERFACE_QXL_MAJOR,
    .base.minor_version      = SPICE_INTERFACE_QXL_MINOR,

    .attache_worker          = interface_attach_worker,
    .set_compression_level   = interface_set_compression_level,
    .set_mm_time             = interface_set_mm_time,
    .get_init_info           = interface_get_init_info,

    /* the callbacks below are called from spice server thread context */
    .get_command             = interface_get_command,
    .req_cmd_notification    = interface_req_cmd_notification,
    .release_resource        = interface_release_resource,
    .get_cursor_command      = interface_get_cursor_command,
    .req_cursor_notification = interface_req_cursor_notification,
    .notify_update           = interface_notify_update,
    .flush_resources         = interface_flush_resources,
};

static SimpleSpiceDisplay sdpy;

static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
{
    qemu_spice_display_update(&sdpy, x, y, w, h);
}

static void display_resize(struct DisplayState *ds)
{
    qemu_spice_display_resize(&sdpy);
}

static void display_refresh(struct DisplayState *ds)
{
    qemu_spice_display_refresh(&sdpy);
}

static DisplayChangeListener display_listener = {
    .dpy_update  = display_update,
    .dpy_resize  = display_resize,
    .dpy_refresh = display_refresh,
};

void qemu_spice_display_init(DisplayState *ds)
{
    assert(sdpy.ds == NULL);
    sdpy.ds = ds;
    qemu_mutex_init(&sdpy.lock);
    sdpy.mouse_x = -1;
    sdpy.mouse_y = -1;
    sdpy.bufsize = (16 * 1024 * 1024);
    sdpy.buf = qemu_malloc(sdpy.bufsize);
    register_displaychangelistener(ds, &display_listener);

    sdpy.qxl.base.sif = &dpy_interface.base;
    qemu_spice_add_interface(&sdpy.qxl.base);
    assert(sdpy.worker);

    qemu_add_vm_change_state_handler(qemu_spice_vm_change_state_handler, &sdpy);
    qemu_spice_create_host_memslot(&sdpy);
    qemu_spice_create_host_primary(&sdpy);
}
Commit	Line	Data
a3e22260 GH	1	/*
	2	* Copyright (C) 2010 Red Hat, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License as
	6	* published by the Free Software Foundation; either version 2 or
	7	* (at your option) version 3 of the License.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
	18	#include <pthread.h>
	19
	20	#include "qemu-common.h"
	21	#include "qemu-spice.h"
	22	#include "qemu-timer.h"
	23	#include "qemu-queue.h"
	24	#include "monitor.h"
	25	#include "console.h"
	26	#include "sysemu.h"
	27
	28	#include "spice-display.h"
	29
	30	static int debug = 0;
	31
2c80e423	32	static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
a3e22260 GH	33	{
	34	va_list args;
	35
	36	if (level <= debug) {
	37	va_start(args, fmt);
	38	vfprintf(stderr, fmt, args);
	39	va_end(args);
	40	}
	41	}
	42
	43	int qemu_spice_rect_is_empty(const QXLRect* r)
	44	{
	45	return r->top == r->bottom \|\| r->left == r->right;
	46	}
	47
	48	void qemu_spice_rect_union(QXLRect dest, const QXLRect r)
	49	{
	50	if (qemu_spice_rect_is_empty(r)) {
	51	return;
	52	}
	53
	54	if (qemu_spice_rect_is_empty(dest)) {
	55	dest = r;
	56	return;
	57	}
	58
	59	dest->top = MIN(dest->top, r->top);
	60	dest->left = MIN(dest->left, r->left);
	61	dest->bottom = MAX(dest->bottom, r->bottom);
	62	dest->right = MAX(dest->right, r->right);
	63	}
	64
e0c64d08	65	static SimpleSpiceUpdate qemu_spice_create_update(SimpleSpiceDisplay ssd)
a3e22260 GH	66	{
	67	SimpleSpiceUpdate *update;
	68	QXLDrawable *drawable;
	69	QXLImage *image;
	70	QXLCommand *cmd;
	71	uint8_t src, dst;
	72	int by, bw, bh;
	73
	74	if (qemu_spice_rect_is_empty(&ssd->dirty)) {
	75	return NULL;
	76	};
	77
a3e22260 GH	78	dprint(2, "%s: lr %d -> %d, tb -> %d -> %d\n", __FUNCTION__,
	79	ssd->dirty.left, ssd->dirty.right,
	80	ssd->dirty.top, ssd->dirty.bottom);
	81
	82	update = qemu_mallocz(sizeof(*update));
	83	drawable = &update->drawable;
	84	image = &update->image;
	85	cmd = &update->ext.cmd;
	86
	87	bw = ssd->dirty.right - ssd->dirty.left;
	88	bh = ssd->dirty.bottom - ssd->dirty.top;
	89	update->bitmap = qemu_malloc(bw * bh * 4);
	90
	91	drawable->bbox = ssd->dirty;
	92	drawable->clip.type = SPICE_CLIP_TYPE_NONE;
	93	drawable->effect = QXL_EFFECT_OPAQUE;
	94	drawable->release_info.id = (intptr_t)update;
	95	drawable->type = QXL_DRAW_COPY;
	96	drawable->surfaces_dest[0] = -1;
	97	drawable->surfaces_dest[1] = -1;
	98	drawable->surfaces_dest[2] = -1;
	99
	100	drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
	101	drawable->u.copy.src_bitmap = (intptr_t)image;
	102	drawable->u.copy.src_area.right = bw;
	103	drawable->u.copy.src_area.bottom = bh;
	104
	105	QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
	106	image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
	107	image->bitmap.flags = QXL_BITMAP_DIRECT \| QXL_BITMAP_TOP_DOWN;
	108	image->bitmap.stride = bw * 4;
	109	image->descriptor.width = image->bitmap.x = bw;
	110	image->descriptor.height = image->bitmap.y = bh;
	111	image->bitmap.data = (intptr_t)(update->bitmap);
	112	image->bitmap.palette = 0;
	113	image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
	114
	115	if (ssd->conv == NULL) {
	116	PixelFormat dst = qemu_default_pixelformat(32);
	117	ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf);
	118	assert(ssd->conv);
	119	}
	120
	121	src = ds_get_data(ssd->ds) +
	122	ssd->dirty.top * ds_get_linesize(ssd->ds) +
	123	ssd->dirty.left * ds_get_bytes_per_pixel(ssd->ds);
	124	dst = update->bitmap;
	125	for (by = 0; by < bh; by++) {
	126	qemu_pf_conv_run(ssd->conv, dst, src, bw);
	127	src += ds_get_linesize(ssd->ds);
	128	dst += image->bitmap.stride;
	129	}
	130
	131	cmd->type = QXL_CMD_DRAW;
	132	cmd->data = (intptr_t)drawable;
	133
	134	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
a3e22260 GH	135	return update;
	136	}
	137
	138	/*
	139	* Called from spice server thread context (via interface_release_ressource)
	140	* We do not hold the global qemu mutex here, so extra care is needed
	141	* when calling qemu functions. Qemu interfaces used:
	142	* - qemu_free (underlying glibc free is re-entrant).
	143	*/
	144	void qemu_spice_destroy_update(SimpleSpiceDisplay sdpy, SimpleSpiceUpdate update)
	145	{
	146	qemu_free(update->bitmap);
	147	qemu_free(update);
	148	}
	149
	150	void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
	151	{
	152	QXLDevMemSlot memslot;
	153
	154	dprint(1, "%s:\n", __FUNCTION__);
	155
	156	memset(&memslot, 0, sizeof(memslot));
	157	memslot.slot_group_id = MEMSLOT_GROUP_HOST;
	158	memslot.virt_end = ~0;
	159	ssd->worker->add_memslot(ssd->worker, &memslot);
	160	}
	161
	162	void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
	163	{
	164	QXLDevSurfaceCreate surface;
	165
	166	dprint(1, "%s: %dx%d\n", __FUNCTION__,
	167	ds_get_width(ssd->ds), ds_get_height(ssd->ds));
	168
	169	surface.format = SPICE_SURFACE_FMT_32_xRGB;
	170	surface.width = ds_get_width(ssd->ds);
	171	surface.height = ds_get_height(ssd->ds);
	172	surface.stride = -surface.width * 4;
869564a9	173	surface.mouse_mode = true;
a3e22260 GH	174	surface.flags = 0;
	175	surface.type = 0;
	176	surface.mem = (intptr_t)ssd->buf;
	177	surface.group_id = MEMSLOT_GROUP_HOST;
7466bc49	178
a3e22260 GH	179	ssd->worker->create_primary_surface(ssd->worker, 0, &surface);
	180	}
	181
	182	void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
	183	{
	184	dprint(1, "%s:\n", __FUNCTION__);
	185
	186	ssd->worker->destroy_primary_surface(ssd->worker, 0);
	187	}
	188
	189	void qemu_spice_vm_change_state_handler(void *opaque, int running, int reason)
	190	{
	191	SimpleSpiceDisplay *ssd = opaque;
	192
	193	if (running) {
	194	ssd->worker->start(ssd->worker);
	195	} else {
	196	ssd->worker->stop(ssd->worker);
	197	}
	198	ssd->running = running;
	199	}
	200
	201	/* display listener callbacks */
	202
	203	void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
	204	int x, int y, int w, int h)
	205	{
	206	QXLRect update_area;
	207
	208	dprint(2, "%s: x %d y %d w %d h %d\n", __FUNCTION__, x, y, w, h);
	209	update_area.left = x,
	210	update_area.right = x + w;
	211	update_area.top = y;
	212	update_area.bottom = y + h;
	213
a3e22260 GH	214	if (qemu_spice_rect_is_empty(&ssd->dirty)) {
	215	ssd->notify++;
	216	}
	217	qemu_spice_rect_union(&ssd->dirty, &update_area);
a3e22260 GH	218	}
	219
	220	void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
	221	{
	222	dprint(1, "%s:\n", __FUNCTION__);
	223
a3e22260 GH	224	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
	225	qemu_pf_conv_put(ssd->conv);
	226	ssd->conv = NULL;
a3e22260	227
e0c64d08 GH	228	qemu_mutex_lock(&ssd->lock);
	229	if (ssd->update != NULL) {
	230	qemu_spice_destroy_update(ssd, ssd->update);
	231	ssd->update = NULL;
	232	}
	233	qemu_mutex_unlock(&ssd->lock);
a3e22260 GH	234	qemu_spice_destroy_host_primary(ssd);
	235	qemu_spice_create_host_primary(ssd);
	236
a3e22260 GH	237	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
a3e22260 GH	238	ssd->notify++;
a3e22260 GH	239	}
	240
	241	void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
	242	{
	243	dprint(3, "%s:\n", __FUNCTION__);
	244	vga_hw_update();
e0c64d08 GH	245
	246	qemu_mutex_lock(&ssd->lock);
	247	if (ssd->update == NULL) {
	248	ssd->update = qemu_spice_create_update(ssd);
	249	ssd->notify++;
	250	}
07536094 GH	251	if (ssd->cursor) {
	252	ssd->ds->cursor_define(ssd->cursor);
	253	cursor_put(ssd->cursor);
	254	ssd->cursor = NULL;
	255	}
	256	if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
	257	ssd->ds->mouse_set(ssd->mouse_x, ssd->mouse_y, 1);
	258	ssd->mouse_x = -1;
	259	ssd->mouse_y = -1;
	260	}
e0c64d08 GH	261	qemu_mutex_unlock(&ssd->lock);
e0c64d08 GH	262
a3e22260 GH	263	if (ssd->notify) {
	264	ssd->notify = 0;
	265	ssd->worker->wakeup(ssd->worker);
	266	dprint(2, "%s: notify\n", __FUNCTION__);
	267	}
	268	}
	269
	270	/* spice display interface callbacks */
	271
	272	static void interface_attach_worker(QXLInstance sin, QXLWorker qxl_worker)
	273	{
	274	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	275
	276	dprint(1, "%s:\n", __FUNCTION__);
	277	ssd->worker = qxl_worker;
	278	}
	279
	280	static void interface_set_compression_level(QXLInstance *sin, int level)
	281	{
	282	dprint(1, "%s:\n", __FUNCTION__);
	283	/* nothing to do */
	284	}
	285
	286	static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
	287	{
	288	dprint(3, "%s:\n", __FUNCTION__);
	289	/* nothing to do */
	290	}
	291
	292	static void interface_get_init_info(QXLInstance sin, QXLDevInitInfo info)
	293	{
	294	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	295
	296	info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
	297	info->memslot_id_bits = MEMSLOT_SLOT_BITS;
	298	info->num_memslots = NUM_MEMSLOTS;
	299	info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
	300	info->internal_groupslot_id = 0;
	301	info->qxl_ram_size = ssd->bufsize;
	302	info->n_surfaces = NUM_SURFACES;
	303	}
	304
	305	static int interface_get_command(QXLInstance sin, struct QXLCommandExt ext)
	306	{
	307	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	308	SimpleSpiceUpdate *update;
e0c64d08	309	int ret = false;
a3e22260 GH	310
a3e22260 GH	311	dprint(3, "%s:\n", __FUNCTION__);
e0c64d08 GH	312
	313	qemu_mutex_lock(&ssd->lock);
	314	if (ssd->update != NULL) {
	315	update = ssd->update;
	316	ssd->update = NULL;
	317	*ext = update->ext;
	318	ret = true;
a3e22260	319	}
e0c64d08 GH	320	qemu_mutex_unlock(&ssd->lock);
	321
	322	return ret;
a3e22260 GH	323	}
	324
	325	static int interface_req_cmd_notification(QXLInstance *sin)
	326	{
	327	dprint(1, "%s:\n", __FUNCTION__);
	328	return 1;
	329	}
	330
	331	static void interface_release_resource(QXLInstance *sin,
	332	struct QXLReleaseInfoExt ext)
	333	{
	334	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	335	uintptr_t id;
	336
	337	dprint(2, "%s:\n", __FUNCTION__);
	338	id = ext.info->id;
	339	qemu_spice_destroy_update(ssd, (void*)id);
	340	}
	341
	342	static int interface_get_cursor_command(QXLInstance sin, struct QXLCommandExt ext)
	343	{
	344	dprint(3, "%s:\n", __FUNCTION__);
	345	return false;
	346	}
	347
	348	static int interface_req_cursor_notification(QXLInstance *sin)
	349	{
	350	dprint(1, "%s:\n", __FUNCTION__);
	351	return 1;
	352	}
	353
	354	static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
	355	{
	356	fprintf(stderr, "%s: abort()\n", __FUNCTION__);
	357	abort();
	358	}
	359
	360	static int interface_flush_resources(QXLInstance *sin)
	361	{
	362	fprintf(stderr, "%s: abort()\n", __FUNCTION__);
	363	abort();
	364	return 0;
	365	}
	366
	367	static const QXLInterface dpy_interface = {
	368	.base.type = SPICE_INTERFACE_QXL,
	369	.base.description = "qemu simple display",
	370	.base.major_version = SPICE_INTERFACE_QXL_MAJOR,
	371	.base.minor_version = SPICE_INTERFACE_QXL_MINOR,
	372
	373	.attache_worker = interface_attach_worker,
	374	.set_compression_level = interface_set_compression_level,
	375	.set_mm_time = interface_set_mm_time,
	376	.get_init_info = interface_get_init_info,
	377
	378	/* the callbacks below are called from spice server thread context */
	379	.get_command = interface_get_command,
	380	.req_cmd_notification = interface_req_cmd_notification,
	381	.release_resource = interface_release_resource,
	382	.get_cursor_command = interface_get_cursor_command,
	383	.req_cursor_notification = interface_req_cursor_notification,
	384	.notify_update = interface_notify_update,
	385	.flush_resources = interface_flush_resources,
	386	};
387
388	static SimpleSpiceDisplay sdpy;
389
390	static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
391	{
392	qemu_spice_display_update(&sdpy, x, y, w, h);
393	}
394
395	static void display_resize(struct DisplayState *ds)
396	{
397	qemu_spice_display_resize(&sdpy);
398	}
399
400	static void display_refresh(struct DisplayState *ds)
401	{
402	qemu_spice_display_refresh(&sdpy);
403	}
404
405	static DisplayChangeListener display_listener = {
406	.dpy_update = display_update,
407	.dpy_resize = display_resize,
408	.dpy_refresh = display_refresh,
409	};
410
411	void qemu_spice_display_init(DisplayState *ds)
412	{
413	assert(sdpy.ds == NULL);
414	sdpy.ds = ds;
e0c64d08	415	qemu_mutex_init(&sdpy.lock);
07536094 GH	416	sdpy.mouse_x = -1;
07536094 GH	417	sdpy.mouse_y = -1;
a3e22260 GH	418	sdpy.bufsize = (16 * 1024 * 1024);
a3e22260 GH	419	sdpy.buf = qemu_malloc(sdpy.bufsize);
a3e22260 GH	420	register_displaychangelistener(ds, &display_listener);
	421
	422	sdpy.qxl.base.sif = &dpy_interface.base;
	423	qemu_spice_add_interface(&sdpy.qxl.base);
	424	assert(sdpy.worker);
	425
	426	qemu_add_vm_change_state_handler(qemu_spice_vm_change_state_handler, &sdpy);
	427	qemu_spice_create_host_memslot(&sdpy);
	428	qemu_spice_create_host_primary(&sdpy);
	429	}