Commit ddd8fdc7 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

spice: make number of surfaces runtime-configurable.



Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 2e0e3c39
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+17 −14
Original line number Diff line number Diff line
@@ -236,7 +236,8 @@ static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
{
    trace_qxl_spice_destroy_surfaces_complete(qxl->id);
    qemu_mutex_lock(&qxl->track_lock);
    memset(&qxl->guest_surfaces.cmds, 0, sizeof(qxl->guest_surfaces.cmds));
    memset(qxl->guest_surfaces.cmds, 0,
           sizeof(qxl->guest_surfaces.cmds) * qxl->ssd.num_surfaces);
    qxl->guest_surfaces.count = 0;
    qemu_mutex_unlock(&qxl->track_lock);
}
@@ -345,7 +346,7 @@ static void init_qxl_rom(PCIQXLDevice *d)
    rom->slot_id_bits  = MEMSLOT_SLOT_BITS;
    rom->slots_start   = 1;
    rom->slots_end     = NUM_MEMSLOTS - 1;
    rom->n_surfaces    = cpu_to_le32(NUM_SURFACES);
    rom->n_surfaces    = cpu_to_le32(d->ssd.num_surfaces);

    for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
        fb = qxl_modes[i].y_res * qxl_modes[i].stride;
@@ -449,9 +450,9 @@ static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
        }
        uint32_t id = le32_to_cpu(cmd->surface_id);

        if (id >= NUM_SURFACES) {
        if (id >= qxl->ssd.num_surfaces) {
            qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
                              NUM_SURFACES);
                              qxl->ssd.num_surfaces);
            return 1;
        }
        qemu_mutex_lock(&qxl->track_lock);
@@ -527,7 +528,7 @@ static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
    info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
    info->internal_groupslot_id = 0;
    info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS;
    info->n_surfaces = NUM_SURFACES;
    info->n_surfaces = qxl->ssd.num_surfaces;
}

static const char *qxl_mode_to_string(int mode)
@@ -1436,7 +1437,7 @@ async_common:
        QXLCookie *cookie = NULL;
        QXLRect update = d->ram->update_area;

        if (d->ram->update_surface > NUM_SURFACES) {
        if (d->ram->update_surface > d->ssd.num_surfaces) {
            qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
                              d->ram->update_surface);
            return;
@@ -1529,7 +1530,7 @@ async_common:
        }
        break;
    case QXL_IO_DESTROY_SURFACE_WAIT:
        if (val >= NUM_SURFACES) {
        if (val >= d->ssd.num_surfaces) {
            qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
                             "%" PRIu64 " >= NUM_SURFACES", async, val);
            goto cancel_async;
@@ -1707,7 +1708,7 @@ static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
    vram_start =  (intptr_t)memory_region_get_ram_ptr(&qxl->vram_bar);

    /* dirty the off-screen surfaces */
    for (i = 0; i < NUM_SURFACES; i++) {
    for (i = 0; i < qxl->ssd.num_surfaces; i++) {
        QXLSurfaceCmd *cmd;
        intptr_t surface_offset;
        int surface_size;
@@ -1835,7 +1836,6 @@ static int qxl_init_common(PCIQXLDevice *qxl)
    qxl->mode = QXL_MODE_UNDEFINED;
    qxl->generation = 1;
    qxl->num_memslots = NUM_MEMSLOTS;
    qxl->num_surfaces = NUM_SURFACES;
    qemu_mutex_init(&qxl->track_lock);
    qemu_mutex_init(&qxl->async_lock);
    qxl->current_async = QXL_UNDEFINED_IO;
@@ -1877,6 +1877,7 @@ static int qxl_init_common(PCIQXLDevice *qxl)
    init_qxl_rom(qxl);
    init_qxl_ram(qxl);

    qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
    memory_region_init_ram(&qxl->vram_bar, "qxl.vram", qxl->vram_size);
    vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev);
    memory_region_init_alias(&qxl->vram32_bar, "qxl.vram32", &qxl->vram_bar,
@@ -2042,8 +2043,8 @@ static int qxl_post_load(void *opaque, int version)
        qxl_create_guest_primary(d, 1, QXL_SYNC);

        /* replay surface-create and cursor-set commands */
        cmds = g_malloc0(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
        for (in = 0, out = 0; in < NUM_SURFACES; in++) {
        cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1));
        for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
            if (d->guest_surfaces.cmds[in] == 0) {
                continue;
            }
@@ -2143,8 +2144,9 @@ static VMStateDescription qxl_vmstate = {
                             qxl_memslot, struct guest_slots),
        VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
                       qxl_surface, QXLSurfaceCreate),
        VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
        VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
        VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice),
        VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
                             ssd.num_surfaces, 0,
                             vmstate_info_uint64, uint64_t),
        VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
        VMSTATE_END_OF_LIST()
@@ -2173,6 +2175,7 @@ static Property qxl_properties[] = {
        DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
        DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
        DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
        DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
        DEFINE_PROP_END_OF_LIST(),
};

+1 −2
Original line number Diff line number Diff line
@@ -40,7 +40,6 @@ typedef struct PCIQXLDevice {
    uint32_t           revision;

    int32_t            num_memslots;
    int32_t            num_surfaces;

    uint32_t           current_async;
    QemuMutex          async_lock;
@@ -65,7 +64,7 @@ typedef struct PCIQXLDevice {
    } guest_primary;

    struct surfaces {
        QXLPHYSICAL    cmds[NUM_SURFACES];
        QXLPHYSICAL    *cmds;
        uint32_t       count;
        uint32_t       max;
    } guest_surfaces;
+4 −1
Original line number Diff line number Diff line
@@ -317,6 +317,9 @@ void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds)
    qemu_mutex_init(&ssd->lock);
    ssd->mouse_x = -1;
    ssd->mouse_y = -1;
    if (ssd->num_surfaces == 0) {
        ssd->num_surfaces = 1024;
    }
    ssd->bufsize = (16 * 1024 * 1024);
    ssd->buf = g_malloc(ssd->bufsize);
}
@@ -427,7 +430,7 @@ static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
    info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
    info->internal_groupslot_id = 0;
    info->qxl_ram_size = ssd->bufsize;
    info->n_surfaces = NUM_SURFACES;
    info->n_surfaces = ssd->num_surfaces;
}

static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
+1 −2
Original line number Diff line number Diff line
@@ -32,8 +32,6 @@
#define MEMSLOT_GROUP_GUEST 1
#define NUM_MEMSLOTS_GROUPS 2

#define NUM_SURFACES 1024

/*
 * Internal enum to differenciate between options for
 * io calls that have a sync (old) version and an _async (new)
@@ -80,6 +78,7 @@ struct SimpleSpiceDisplay {
    QXLInstance qxl;
    uint32_t unique;
    QemuPfConv *conv;
    int32_t num_surfaces;

    QXLRect dirty;
    int notify;