[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);
}


void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot)
{
    ssd->worker->add_memslot(ssd->worker, memslot);
}

void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
{
    ssd->worker->del_memslot(ssd->worker, gid, sid);
}

void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
                                       QXLDevSurfaceCreate *surface)
{
    ssd->worker->create_primary_surface(ssd->worker, id, surface);
}

void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id)
{
    ssd->worker->destroy_primary_surface(ssd->worker, id);
}

void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
{
    ssd->worker->wakeup(ssd->worker);
}

void qemu_spice_start(SimpleSpiceDisplay *ssd)
{
    ssd->worker->start(ssd->worker);
}

void qemu_spice_stop(SimpleSpiceDisplay *ssd)
{
    ssd->worker->stop(ssd->worker);
}

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

    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;
    clock_gettime(CLOCK_MONOTONIC, &time_space);
    /* time in milliseconds from epoch. */
    drawable->mm_time = time_space.tv_sec * 1000
                      + time_space.tv_nsec / 1000 / 1000;

    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;
    qemu_spice_add_memslot(ssd, &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;

    qemu_spice_create_primary_surface(ssd, 0, &surface);
}

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

    qemu_spice_destroy_primary_surface(ssd, 0);
}

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

    if (running) {
        qemu_spice_start(ssd);
    } else {
        qemu_spice_stop(ssd);
    }
    ssd->running = running;
}

void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds)
{
    ssd->ds = ds;
    qemu_mutex_init(&ssd->lock);
    ssd->mouse_x = -1;
    ssd->mouse_y = -1;
    ssd->bufsize = (16 * 1024 * 1024);
    ssd->buf = qemu_malloc(ssd->bufsize);
}

/* 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;
        qemu_spice_wakeup(ssd);
        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);
    qemu_spice_display_init_common(&sdpy, ds);
    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
5c59d118	65
5c59d118 GH	66	void qemu_spice_add_memslot(SimpleSpiceDisplay ssd, QXLDevMemSlot memslot)
	67	{
	68	ssd->worker->add_memslot(ssd->worker, memslot);
	69	}
	70
	71	void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
	72	{
	73	ssd->worker->del_memslot(ssd->worker, gid, sid);
	74	}
	75
	76	void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
	77	QXLDevSurfaceCreate *surface)
	78	{
	79	ssd->worker->create_primary_surface(ssd->worker, id, surface);
	80	}
	81
	82	void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id)
	83	{
	84	ssd->worker->destroy_primary_surface(ssd->worker, id);
	85	}
	86
5c59d118 GH	87	void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
	88	{
	89	ssd->worker->wakeup(ssd->worker);
	90	}
	91
5c59d118 GH	92	void qemu_spice_start(SimpleSpiceDisplay *ssd)
	93	{
	94	ssd->worker->start(ssd->worker);
	95	}
	96
	97	void qemu_spice_stop(SimpleSpiceDisplay *ssd)
	98	{
	99	ssd->worker->stop(ssd->worker);
	100	}
	101
e0c64d08	102	static SimpleSpiceUpdate qemu_spice_create_update(SimpleSpiceDisplay ssd)
a3e22260 GH	103	{
	104	SimpleSpiceUpdate *update;
	105	QXLDrawable *drawable;
	106	QXLImage *image;
	107	QXLCommand *cmd;
	108	uint8_t src, dst;
	109	int by, bw, bh;
22795174	110	struct timespec time_space;
a3e22260 GH	111
	112	if (qemu_spice_rect_is_empty(&ssd->dirty)) {
	113	return NULL;
	114	};
	115
a3e22260 GH	116	dprint(2, "%s: lr %d -> %d, tb -> %d -> %d\n", __FUNCTION__,
	117	ssd->dirty.left, ssd->dirty.right,
	118	ssd->dirty.top, ssd->dirty.bottom);
	119
	120	update = qemu_mallocz(sizeof(*update));
	121	drawable = &update->drawable;
	122	image = &update->image;
	123	cmd = &update->ext.cmd;
	124
	125	bw = ssd->dirty.right - ssd->dirty.left;
	126	bh = ssd->dirty.bottom - ssd->dirty.top;
	127	update->bitmap = qemu_malloc(bw * bh * 4);
	128
	129	drawable->bbox = ssd->dirty;
	130	drawable->clip.type = SPICE_CLIP_TYPE_NONE;
	131	drawable->effect = QXL_EFFECT_OPAQUE;
	132	drawable->release_info.id = (intptr_t)update;
	133	drawable->type = QXL_DRAW_COPY;
	134	drawable->surfaces_dest[0] = -1;
	135	drawable->surfaces_dest[1] = -1;
	136	drawable->surfaces_dest[2] = -1;
22795174 AL	137	clock_gettime(CLOCK_MONOTONIC, &time_space);
	138	/* time in milliseconds from epoch. */
	139	drawable->mm_time = time_space.tv_sec * 1000
	140	+ time_space.tv_nsec / 1000 / 1000;
a3e22260 GH	141
	142	drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
	143	drawable->u.copy.src_bitmap = (intptr_t)image;
	144	drawable->u.copy.src_area.right = bw;
	145	drawable->u.copy.src_area.bottom = bh;
	146
	147	QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
	148	image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
	149	image->bitmap.flags = QXL_BITMAP_DIRECT \| QXL_BITMAP_TOP_DOWN;
	150	image->bitmap.stride = bw * 4;
	151	image->descriptor.width = image->bitmap.x = bw;
	152	image->descriptor.height = image->bitmap.y = bh;
	153	image->bitmap.data = (intptr_t)(update->bitmap);
	154	image->bitmap.palette = 0;
	155	image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
	156
	157	if (ssd->conv == NULL) {
	158	PixelFormat dst = qemu_default_pixelformat(32);
	159	ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf);
	160	assert(ssd->conv);
	161	}
	162
	163	src = ds_get_data(ssd->ds) +
	164	ssd->dirty.top * ds_get_linesize(ssd->ds) +
	165	ssd->dirty.left * ds_get_bytes_per_pixel(ssd->ds);
	166	dst = update->bitmap;
	167	for (by = 0; by < bh; by++) {
	168	qemu_pf_conv_run(ssd->conv, dst, src, bw);
	169	src += ds_get_linesize(ssd->ds);
	170	dst += image->bitmap.stride;
	171	}
	172
	173	cmd->type = QXL_CMD_DRAW;
	174	cmd->data = (intptr_t)drawable;
	175
	176	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
a3e22260 GH	177	return update;
	178	}
	179
	180	/*
	181	* Called from spice server thread context (via interface_release_ressource)
	182	* We do not hold the global qemu mutex here, so extra care is needed
	183	* when calling qemu functions. Qemu interfaces used:
	184	* - qemu_free (underlying glibc free is re-entrant).
	185	*/
	186	void qemu_spice_destroy_update(SimpleSpiceDisplay sdpy, SimpleSpiceUpdate update)
	187	{
	188	qemu_free(update->bitmap);
	189	qemu_free(update);
	190	}
	191
	192	void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
	193	{
	194	QXLDevMemSlot memslot;
	195
	196	dprint(1, "%s:\n", __FUNCTION__);
	197
	198	memset(&memslot, 0, sizeof(memslot));
	199	memslot.slot_group_id = MEMSLOT_GROUP_HOST;
	200	memslot.virt_end = ~0;
5c59d118	201	qemu_spice_add_memslot(ssd, &memslot);
a3e22260 GH	202	}
	203
	204	void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
	205	{
	206	QXLDevSurfaceCreate surface;
	207
	208	dprint(1, "%s: %dx%d\n", __FUNCTION__,
	209	ds_get_width(ssd->ds), ds_get_height(ssd->ds));
	210
	211	surface.format = SPICE_SURFACE_FMT_32_xRGB;
	212	surface.width = ds_get_width(ssd->ds);
	213	surface.height = ds_get_height(ssd->ds);
	214	surface.stride = -surface.width * 4;
869564a9	215	surface.mouse_mode = true;
a3e22260 GH	216	surface.flags = 0;
	217	surface.type = 0;
	218	surface.mem = (intptr_t)ssd->buf;
	219	surface.group_id = MEMSLOT_GROUP_HOST;
7466bc49	220
5c59d118	221	qemu_spice_create_primary_surface(ssd, 0, &surface);
a3e22260 GH	222	}
	223
	224	void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
	225	{
	226	dprint(1, "%s:\n", __FUNCTION__);
	227
5c59d118	228	qemu_spice_destroy_primary_surface(ssd, 0);
a3e22260 GH	229	}
	230
	231	void qemu_spice_vm_change_state_handler(void *opaque, int running, int reason)
	232	{
	233	SimpleSpiceDisplay *ssd = opaque;
	234
	235	if (running) {
5c59d118	236	qemu_spice_start(ssd);
a3e22260	237	} else {
5c59d118	238	qemu_spice_stop(ssd);
a3e22260 GH	239	}
	240	ssd->running = running;
	241	}
	242
a963f876 GH	243	void qemu_spice_display_init_common(SimpleSpiceDisplay ssd, DisplayState ds)
	244	{
	245	ssd->ds = ds;
	246	qemu_mutex_init(&ssd->lock);
	247	ssd->mouse_x = -1;
	248	ssd->mouse_y = -1;
	249	ssd->bufsize = (16 * 1024 * 1024);
	250	ssd->buf = qemu_malloc(ssd->bufsize);
	251	}
	252
a3e22260 GH	253	/* display listener callbacks */
	254
	255	void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
	256	int x, int y, int w, int h)
	257	{
	258	QXLRect update_area;
	259
	260	dprint(2, "%s: x %d y %d w %d h %d\n", __FUNCTION__, x, y, w, h);
	261	update_area.left = x,
	262	update_area.right = x + w;
	263	update_area.top = y;
	264	update_area.bottom = y + h;
	265
a3e22260 GH	266	if (qemu_spice_rect_is_empty(&ssd->dirty)) {
	267	ssd->notify++;
	268	}
	269	qemu_spice_rect_union(&ssd->dirty, &update_area);
a3e22260 GH	270	}
	271
	272	void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
	273	{
	274	dprint(1, "%s:\n", __FUNCTION__);
	275
a3e22260 GH	276	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
	277	qemu_pf_conv_put(ssd->conv);
	278	ssd->conv = NULL;
a3e22260	279
e0c64d08 GH	280	qemu_mutex_lock(&ssd->lock);
	281	if (ssd->update != NULL) {
	282	qemu_spice_destroy_update(ssd, ssd->update);
	283	ssd->update = NULL;
	284	}
	285	qemu_mutex_unlock(&ssd->lock);
a3e22260 GH	286	qemu_spice_destroy_host_primary(ssd);
	287	qemu_spice_create_host_primary(ssd);
	288
a3e22260 GH	289	memset(&ssd->dirty, 0, sizeof(ssd->dirty));
a3e22260 GH	290	ssd->notify++;
a3e22260 GH	291	}
	292
	293	void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
	294	{
	295	dprint(3, "%s:\n", __FUNCTION__);
	296	vga_hw_update();
e0c64d08 GH	297
	298	qemu_mutex_lock(&ssd->lock);
	299	if (ssd->update == NULL) {
	300	ssd->update = qemu_spice_create_update(ssd);
	301	ssd->notify++;
	302	}
07536094 GH	303	if (ssd->cursor) {
	304	ssd->ds->cursor_define(ssd->cursor);
	305	cursor_put(ssd->cursor);
	306	ssd->cursor = NULL;
	307	}
	308	if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
	309	ssd->ds->mouse_set(ssd->mouse_x, ssd->mouse_y, 1);
	310	ssd->mouse_x = -1;
	311	ssd->mouse_y = -1;
	312	}
e0c64d08 GH	313	qemu_mutex_unlock(&ssd->lock);
e0c64d08 GH	314
a3e22260 GH	315	if (ssd->notify) {
a3e22260 GH	316	ssd->notify = 0;
5c59d118	317	qemu_spice_wakeup(ssd);
a3e22260 GH	318	dprint(2, "%s: notify\n", __FUNCTION__);
	319	}
	320	}
	321
	322	/* spice display interface callbacks */
	323
	324	static void interface_attach_worker(QXLInstance sin, QXLWorker qxl_worker)
	325	{
	326	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	327
	328	dprint(1, "%s:\n", __FUNCTION__);
	329	ssd->worker = qxl_worker;
	330	}
	331
	332	static void interface_set_compression_level(QXLInstance *sin, int level)
	333	{
	334	dprint(1, "%s:\n", __FUNCTION__);
	335	/* nothing to do */
	336	}
	337
	338	static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
	339	{
	340	dprint(3, "%s:\n", __FUNCTION__);
	341	/* nothing to do */
	342	}
	343
	344	static void interface_get_init_info(QXLInstance sin, QXLDevInitInfo info)
	345	{
	346	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	347
	348	info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
	349	info->memslot_id_bits = MEMSLOT_SLOT_BITS;
	350	info->num_memslots = NUM_MEMSLOTS;
	351	info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
	352	info->internal_groupslot_id = 0;
	353	info->qxl_ram_size = ssd->bufsize;
	354	info->n_surfaces = NUM_SURFACES;
	355	}
	356
	357	static int interface_get_command(QXLInstance sin, struct QXLCommandExt ext)
	358	{
	359	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	360	SimpleSpiceUpdate *update;
e0c64d08	361	int ret = false;
a3e22260 GH	362
a3e22260 GH	363	dprint(3, "%s:\n", __FUNCTION__);
e0c64d08 GH	364
	365	qemu_mutex_lock(&ssd->lock);
	366	if (ssd->update != NULL) {
	367	update = ssd->update;
	368	ssd->update = NULL;
	369	*ext = update->ext;
	370	ret = true;
a3e22260	371	}
e0c64d08 GH	372	qemu_mutex_unlock(&ssd->lock);
	373
	374	return ret;
a3e22260 GH	375	}
	376
	377	static int interface_req_cmd_notification(QXLInstance *sin)
	378	{
	379	dprint(1, "%s:\n", __FUNCTION__);
	380	return 1;
	381	}
	382
	383	static void interface_release_resource(QXLInstance *sin,
	384	struct QXLReleaseInfoExt ext)
	385	{
	386	SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
	387	uintptr_t id;
	388
	389	dprint(2, "%s:\n", __FUNCTION__);
	390	id = ext.info->id;
	391	qemu_spice_destroy_update(ssd, (void*)id);
	392	}
	393
	394	static int interface_get_cursor_command(QXLInstance sin, struct QXLCommandExt ext)
	395	{
	396	dprint(3, "%s:\n", __FUNCTION__);
	397	return false;
	398	}
	399
	400	static int interface_req_cursor_notification(QXLInstance *sin)
	401	{
	402	dprint(1, "%s:\n", __FUNCTION__);
	403	return 1;
	404	}
	405
	406	static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
	407	{
	408	fprintf(stderr, "%s: abort()\n", __FUNCTION__);
	409	abort();
	410	}
	411
	412	static int interface_flush_resources(QXLInstance *sin)
	413	{
	414	fprintf(stderr, "%s: abort()\n", __FUNCTION__);
	415	abort();
	416	return 0;
	417	}
	418
	419	static const QXLInterface dpy_interface = {
	420	.base.type = SPICE_INTERFACE_QXL,
	421	.base.description = "qemu simple display",
	422	.base.major_version = SPICE_INTERFACE_QXL_MAJOR,
	423	.base.minor_version = SPICE_INTERFACE_QXL_MINOR,
	424
	425	.attache_worker = interface_attach_worker,
	426	.set_compression_level = interface_set_compression_level,
	427	.set_mm_time = interface_set_mm_time,
	428	.get_init_info = interface_get_init_info,
	429
	430	/* the callbacks below are called from spice server thread context */
	431	.get_command = interface_get_command,
	432	.req_cmd_notification = interface_req_cmd_notification,
	433	.release_resource = interface_release_resource,
	434	.get_cursor_command = interface_get_cursor_command,
	435	.req_cursor_notification = interface_req_cursor_notification,
	436	.notify_update = interface_notify_update,
	437	.flush_resources = interface_flush_resources,
	438	};
439
440	static SimpleSpiceDisplay sdpy;
441
442	static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
443	{
444	qemu_spice_display_update(&sdpy, x, y, w, h);
445	}
446
447	static void display_resize(struct DisplayState *ds)
448	{
449	qemu_spice_display_resize(&sdpy);
450	}
451
452	static void display_refresh(struct DisplayState *ds)
453	{
454	qemu_spice_display_refresh(&sdpy);
455	}
456
457	static DisplayChangeListener display_listener = {
458	.dpy_update = display_update,
459	.dpy_resize = display_resize,
460	.dpy_refresh = display_refresh,
461	};
462
463	void qemu_spice_display_init(DisplayState *ds)
464	{
465	assert(sdpy.ds == NULL);
a963f876	466	qemu_spice_display_init_common(&sdpy, ds);
a3e22260 GH	467	register_displaychangelistener(ds, &display_listener);
	468
	469	sdpy.qxl.base.sif = &dpy_interface.base;
	470	qemu_spice_add_interface(&sdpy.qxl.base);
	471	assert(sdpy.worker);
	472
	473	qemu_add_vm_change_state_handler(qemu_spice_vm_change_state_handler, &sdpy);
	474	qemu_spice_create_host_memslot(&sdpy);
	475	qemu_spice_create_host_primary(&sdpy);
	476	}