Statistics
| Branch: | Revision:

root / hw / qxl.c @ 9c17d615

History | View | Annotate | Download (75.8 kB)

1
/*
2
 * Copyright (C) 2010 Red Hat, Inc.
3
 *
4
 * written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
5
 * maintained by Gerd Hoffmann <kraxel@redhat.com>
6
 *
7
 * This program is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU General Public License as
9
 * published by the Free Software Foundation; either version 2 or
10
 * (at your option) version 3 of the License.
11
 *
12
 * This program is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
 * GNU General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU General Public License
18
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19
 */
20

    
21
#include <zlib.h>
22

    
23
#include "qemu-common.h"
24
#include "qemu/timer.h"
25
#include "qemu/queue.h"
26
#include "monitor/monitor.h"
27
#include "sysemu/sysemu.h"
28
#include "trace.h"
29

    
30
#include "qxl.h"
31

    
32
/*
33
 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
34
 * such can be changed by the guest, so to avoid a guest trigerrable
35
 * abort we just qxl_set_guest_bug and set the return to NULL. Still
36
 * it may happen as a result of emulator bug as well.
37
 */
38
#undef SPICE_RING_PROD_ITEM
39
#define SPICE_RING_PROD_ITEM(qxl, r, ret) {                             \
40
        typeof(r) start = r;                                            \
41
        typeof(r) end = r + 1;                                          \
42
        uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r);           \
43
        typeof(&(r)->items[prod]) m_item = &(r)->items[prod];           \
44
        if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
45
            qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
46
                          "! %p <= %p < %p", (uint8_t *)start,          \
47
                          (uint8_t *)m_item, (uint8_t *)end);           \
48
            ret = NULL;                                                 \
49
        } else {                                                        \
50
            ret = &m_item->el;                                          \
51
        }                                                               \
52
    }
53

    
54
#undef SPICE_RING_CONS_ITEM
55
#define SPICE_RING_CONS_ITEM(qxl, r, ret) {                             \
56
        typeof(r) start = r;                                            \
57
        typeof(r) end = r + 1;                                          \
58
        uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r);           \
59
        typeof(&(r)->items[cons]) m_item = &(r)->items[cons];           \
60
        if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
61
            qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
62
                          "! %p <= %p < %p", (uint8_t *)start,          \
63
                          (uint8_t *)m_item, (uint8_t *)end);           \
64
            ret = NULL;                                                 \
65
        } else {                                                        \
66
            ret = &m_item->el;                                          \
67
        }                                                               \
68
    }
69

    
70
#undef ALIGN
71
#define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
72

    
73
#define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" 
74

    
75
#define QXL_MODE(_x, _y, _b, _o)                  \
76
    {   .x_res = _x,                              \
77
        .y_res = _y,                              \
78
        .bits  = _b,                              \
79
        .stride = (_x) * (_b) / 8,                \
80
        .x_mili = PIXEL_SIZE * (_x),              \
81
        .y_mili = PIXEL_SIZE * (_y),              \
82
        .orientation = _o,                        \
83
    }
84

    
85
#define QXL_MODE_16_32(x_res, y_res, orientation) \
86
    QXL_MODE(x_res, y_res, 16, orientation),      \
87
    QXL_MODE(x_res, y_res, 32, orientation)
88

    
89
#define QXL_MODE_EX(x_res, y_res)                 \
90
    QXL_MODE_16_32(x_res, y_res, 0),              \
91
    QXL_MODE_16_32(y_res, x_res, 1),              \
92
    QXL_MODE_16_32(x_res, y_res, 2),              \
93
    QXL_MODE_16_32(y_res, x_res, 3)
94

    
95
static QXLMode qxl_modes[] = {
96
    QXL_MODE_EX(640, 480),
97
    QXL_MODE_EX(800, 480),
98
    QXL_MODE_EX(800, 600),
99
    QXL_MODE_EX(832, 624),
100
    QXL_MODE_EX(960, 640),
101
    QXL_MODE_EX(1024, 600),
102
    QXL_MODE_EX(1024, 768),
103
    QXL_MODE_EX(1152, 864),
104
    QXL_MODE_EX(1152, 870),
105
    QXL_MODE_EX(1280, 720),
106
    QXL_MODE_EX(1280, 760),
107
    QXL_MODE_EX(1280, 768),
108
    QXL_MODE_EX(1280, 800),
109
    QXL_MODE_EX(1280, 960),
110
    QXL_MODE_EX(1280, 1024),
111
    QXL_MODE_EX(1360, 768),
112
    QXL_MODE_EX(1366, 768),
113
    QXL_MODE_EX(1400, 1050),
114
    QXL_MODE_EX(1440, 900),
115
    QXL_MODE_EX(1600, 900),
116
    QXL_MODE_EX(1600, 1200),
117
    QXL_MODE_EX(1680, 1050),
118
    QXL_MODE_EX(1920, 1080),
119
    /* these modes need more than 8 MB video memory */
120
    QXL_MODE_EX(1920, 1200),
121
    QXL_MODE_EX(1920, 1440),
122
    QXL_MODE_EX(2048, 1536),
123
    QXL_MODE_EX(2560, 1440),
124
    QXL_MODE_EX(2560, 1600),
125
    /* these modes need more than 16 MB video memory */
126
    QXL_MODE_EX(2560, 2048),
127
    QXL_MODE_EX(2800, 2100),
128
    QXL_MODE_EX(3200, 2400),
129
};
130

    
131
static PCIQXLDevice *qxl0;
132

    
133
static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
134
static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
135
static void qxl_reset_memslots(PCIQXLDevice *d);
136
static void qxl_reset_surfaces(PCIQXLDevice *d);
137
static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
138

    
139
void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
140
{
141
    trace_qxl_set_guest_bug(qxl->id);
142
    qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
143
    qxl->guest_bug = 1;
144
    if (qxl->guestdebug) {
145
        va_list ap;
146
        va_start(ap, msg);
147
        fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
148
        vfprintf(stderr, msg, ap);
149
        fprintf(stderr, "\n");
150
        va_end(ap);
151
    }
152
}
153

    
154
static void qxl_clear_guest_bug(PCIQXLDevice *qxl)
155
{
156
    qxl->guest_bug = 0;
157
}
158

    
159
void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
160
                           struct QXLRect *area, struct QXLRect *dirty_rects,
161
                           uint32_t num_dirty_rects,
162
                           uint32_t clear_dirty_region,
163
                           qxl_async_io async, struct QXLCookie *cookie)
164
{
165
    trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
166
                                area->top, area->bottom);
167
    trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
168
                                     clear_dirty_region);
169
    if (async == QXL_SYNC) {
170
        qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area,
171
                        dirty_rects, num_dirty_rects, clear_dirty_region);
172
    } else {
173
        assert(cookie != NULL);
174
        spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
175
                                    clear_dirty_region, (uintptr_t)cookie);
176
    }
177
}
178

    
179
static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
180
                                                    uint32_t id)
181
{
182
    trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
183
    qemu_mutex_lock(&qxl->track_lock);
184
    qxl->guest_surfaces.cmds[id] = 0;
185
    qxl->guest_surfaces.count--;
186
    qemu_mutex_unlock(&qxl->track_lock);
187
}
188

    
189
static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
190
                                           qxl_async_io async)
191
{
192
    QXLCookie *cookie;
193

    
194
    trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
195
    if (async) {
196
        cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
197
                                QXL_IO_DESTROY_SURFACE_ASYNC);
198
        cookie->u.surface_id = id;
199
        spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
200
    } else {
201
        qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id);
202
        qxl_spice_destroy_surface_wait_complete(qxl, id);
203
    }
204
}
205

    
206
static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
207
{
208
    trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
209
                                         qxl->num_free_res);
210
    spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
211
        (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
212
                                  QXL_IO_FLUSH_SURFACES_ASYNC));
213
}
214

    
215
void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
216
                               uint32_t count)
217
{
218
    trace_qxl_spice_loadvm_commands(qxl->id, ext, count);
219
    qxl->ssd.worker->loadvm_commands(qxl->ssd.worker, ext, count);
220
}
221

    
222
void qxl_spice_oom(PCIQXLDevice *qxl)
223
{
224
    trace_qxl_spice_oom(qxl->id);
225
    qxl->ssd.worker->oom(qxl->ssd.worker);
226
}
227

    
228
void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
229
{
230
    trace_qxl_spice_reset_memslots(qxl->id);
231
    qxl->ssd.worker->reset_memslots(qxl->ssd.worker);
232
}
233

    
234
static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
235
{
236
    trace_qxl_spice_destroy_surfaces_complete(qxl->id);
237
    qemu_mutex_lock(&qxl->track_lock);
238
    memset(qxl->guest_surfaces.cmds, 0,
239
           sizeof(qxl->guest_surfaces.cmds) * qxl->ssd.num_surfaces);
240
    qxl->guest_surfaces.count = 0;
241
    qemu_mutex_unlock(&qxl->track_lock);
242
}
243

    
244
static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
245
{
246
    trace_qxl_spice_destroy_surfaces(qxl->id, async);
247
    if (async) {
248
        spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
249
                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
250
                                          QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
251
    } else {
252
        qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker);
253
        qxl_spice_destroy_surfaces_complete(qxl);
254
    }
255
}
256

    
257
static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
258
{
259
    trace_qxl_spice_monitors_config(qxl->id);
260
    if (replay) {
261
        /*
262
         * don't use QXL_COOKIE_TYPE_IO:
263
         *  - we are not running yet (post_load), we will assert
264
         *    in send_events
265
         *  - this is not a guest io, but a reply, so async_io isn't set.
266
         */
267
        spice_qxl_monitors_config_async(&qxl->ssd.qxl,
268
                qxl->guest_monitors_config,
269
                MEMSLOT_GROUP_GUEST,
270
                (uintptr_t)qxl_cookie_new(
271
                    QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
272
                    0));
273
    } else {
274
        qxl->guest_monitors_config = qxl->ram->monitors_config;
275
        spice_qxl_monitors_config_async(&qxl->ssd.qxl,
276
                qxl->ram->monitors_config,
277
                MEMSLOT_GROUP_GUEST,
278
                (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
279
                                          QXL_IO_MONITORS_CONFIG_ASYNC));
280
    }
281
}
282

    
283
void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
284
{
285
    trace_qxl_spice_reset_image_cache(qxl->id);
286
    qxl->ssd.worker->reset_image_cache(qxl->ssd.worker);
287
}
288

    
289
void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
290
{
291
    trace_qxl_spice_reset_cursor(qxl->id);
292
    qxl->ssd.worker->reset_cursor(qxl->ssd.worker);
293
    qemu_mutex_lock(&qxl->track_lock);
294
    qxl->guest_cursor = 0;
295
    qemu_mutex_unlock(&qxl->track_lock);
296
    if (qxl->ssd.cursor) {
297
        cursor_put(qxl->ssd.cursor);
298
    }
299
    qxl->ssd.cursor = cursor_builtin_hidden();
300
}
301

    
302

    
303
static inline uint32_t msb_mask(uint32_t val)
304
{
305
    uint32_t mask;
306

    
307
    do {
308
        mask = ~(val - 1) & val;
309
        val &= ~mask;
310
    } while (mask < val);
311

    
312
    return mask;
313
}
314

    
315
static ram_addr_t qxl_rom_size(void)
316
{
317
    uint32_t rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
318

    
319
    rom_size = MAX(rom_size, TARGET_PAGE_SIZE);
320
    rom_size = msb_mask(rom_size * 2 - 1);
321
    return rom_size;
322
}
323

    
324
static void init_qxl_rom(PCIQXLDevice *d)
325
{
326
    QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
327
    QXLModes *modes = (QXLModes *)(rom + 1);
328
    uint32_t ram_header_size;
329
    uint32_t surface0_area_size;
330
    uint32_t num_pages;
331
    uint32_t fb;
332
    int i, n;
333

    
334
    memset(rom, 0, d->rom_size);
335

    
336
    rom->magic         = cpu_to_le32(QXL_ROM_MAGIC);
337
    rom->id            = cpu_to_le32(d->id);
338
    rom->log_level     = cpu_to_le32(d->guestdebug);
339
    rom->modes_offset  = cpu_to_le32(sizeof(QXLRom));
340

    
341
    rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
342
    rom->slot_id_bits  = MEMSLOT_SLOT_BITS;
343
    rom->slots_start   = 1;
344
    rom->slots_end     = NUM_MEMSLOTS - 1;
345
    rom->n_surfaces    = cpu_to_le32(d->ssd.num_surfaces);
346

    
347
    for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
348
        fb = qxl_modes[i].y_res * qxl_modes[i].stride;
349
        if (fb > d->vgamem_size) {
350
            continue;
351
        }
352
        modes->modes[n].id          = cpu_to_le32(i);
353
        modes->modes[n].x_res       = cpu_to_le32(qxl_modes[i].x_res);
354
        modes->modes[n].y_res       = cpu_to_le32(qxl_modes[i].y_res);
355
        modes->modes[n].bits        = cpu_to_le32(qxl_modes[i].bits);
356
        modes->modes[n].stride      = cpu_to_le32(qxl_modes[i].stride);
357
        modes->modes[n].x_mili      = cpu_to_le32(qxl_modes[i].x_mili);
358
        modes->modes[n].y_mili      = cpu_to_le32(qxl_modes[i].y_mili);
359
        modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation);
360
        n++;
361
    }
362
    modes->n_modes     = cpu_to_le32(n);
363

    
364
    ram_header_size    = ALIGN(sizeof(QXLRam), 4096);
365
    surface0_area_size = ALIGN(d->vgamem_size, 4096);
366
    num_pages          = d->vga.vram_size;
367
    num_pages         -= ram_header_size;
368
    num_pages         -= surface0_area_size;
369
    num_pages          = num_pages / TARGET_PAGE_SIZE;
370

    
371
    rom->draw_area_offset   = cpu_to_le32(0);
372
    rom->surface0_area_size = cpu_to_le32(surface0_area_size);
373
    rom->pages_offset       = cpu_to_le32(surface0_area_size);
374
    rom->num_pages          = cpu_to_le32(num_pages);
375
    rom->ram_header_offset  = cpu_to_le32(d->vga.vram_size - ram_header_size);
376

    
377
    d->shadow_rom = *rom;
378
    d->rom        = rom;
379
    d->modes      = modes;
380
}
381

    
382
static void init_qxl_ram(PCIQXLDevice *d)
383
{
384
    uint8_t *buf;
385
    uint64_t *item;
386

    
387
    buf = d->vga.vram_ptr;
388
    d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
389
    d->ram->magic       = cpu_to_le32(QXL_RAM_MAGIC);
390
    d->ram->int_pending = cpu_to_le32(0);
391
    d->ram->int_mask    = cpu_to_le32(0);
392
    d->ram->update_surface = 0;
393
    SPICE_RING_INIT(&d->ram->cmd_ring);
394
    SPICE_RING_INIT(&d->ram->cursor_ring);
395
    SPICE_RING_INIT(&d->ram->release_ring);
396
    SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item);
397
    assert(item);
398
    *item = 0;
399
    qxl_ring_set_dirty(d);
400
}
401

    
402
/* can be called from spice server thread context */
403
static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
404
{
405
    memory_region_set_dirty(mr, addr, end - addr);
406
}
407

    
408
static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
409
{
410
    qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
411
}
412

    
413
/* called from spice server thread context only */
414
static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
415
{
416
    void *base = qxl->vga.vram_ptr;
417
    intptr_t offset;
418

    
419
    offset = ptr - base;
420
    offset &= ~(TARGET_PAGE_SIZE-1);
421
    assert(offset < qxl->vga.vram_size);
422
    qxl_set_dirty(&qxl->vga.vram, offset, offset + TARGET_PAGE_SIZE);
423
}
424

    
425
/* can be called from spice server thread context */
426
static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
427
{
428
    ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
429
    ram_addr_t end  = qxl->vga.vram_size;
430
    qxl_set_dirty(&qxl->vga.vram, addr, end);
431
}
432

    
433
/*
434
 * keep track of some command state, for savevm/loadvm.
435
 * called from spice server thread context only
436
 */
437
static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
438
{
439
    switch (le32_to_cpu(ext->cmd.type)) {
440
    case QXL_CMD_SURFACE:
441
    {
442
        QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
443

    
444
        if (!cmd) {
445
            return 1;
446
        }
447
        uint32_t id = le32_to_cpu(cmd->surface_id);
448

    
449
        if (id >= qxl->ssd.num_surfaces) {
450
            qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
451
                              qxl->ssd.num_surfaces);
452
            return 1;
453
        }
454
        if (cmd->type == QXL_SURFACE_CMD_CREATE &&
455
            (cmd->u.surface_create.stride & 0x03) != 0) {
456
            qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
457
                              cmd->u.surface_create.stride);
458
            return 1;
459
        }
460
        qemu_mutex_lock(&qxl->track_lock);
461
        if (cmd->type == QXL_SURFACE_CMD_CREATE) {
462
            qxl->guest_surfaces.cmds[id] = ext->cmd.data;
463
            qxl->guest_surfaces.count++;
464
            if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
465
                qxl->guest_surfaces.max = qxl->guest_surfaces.count;
466
        }
467
        if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
468
            qxl->guest_surfaces.cmds[id] = 0;
469
            qxl->guest_surfaces.count--;
470
        }
471
        qemu_mutex_unlock(&qxl->track_lock);
472
        break;
473
    }
474
    case QXL_CMD_CURSOR:
475
    {
476
        QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
477

    
478
        if (!cmd) {
479
            return 1;
480
        }
481
        if (cmd->type == QXL_CURSOR_SET) {
482
            qemu_mutex_lock(&qxl->track_lock);
483
            qxl->guest_cursor = ext->cmd.data;
484
            qemu_mutex_unlock(&qxl->track_lock);
485
        }
486
        break;
487
    }
488
    }
489
    return 0;
490
}
491

    
492
/* spice display interface callbacks */
493

    
494
static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
495
{
496
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
497

    
498
    trace_qxl_interface_attach_worker(qxl->id);
499
    qxl->ssd.worker = qxl_worker;
500
}
501

    
502
static void interface_set_compression_level(QXLInstance *sin, int level)
503
{
504
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
505

    
506
    trace_qxl_interface_set_compression_level(qxl->id, level);
507
    qxl->shadow_rom.compression_level = cpu_to_le32(level);
508
    qxl->rom->compression_level = cpu_to_le32(level);
509
    qxl_rom_set_dirty(qxl);
510
}
511

    
512
static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
513
{
514
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
515

    
516
    trace_qxl_interface_set_mm_time(qxl->id, mm_time);
517
    qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
518
    qxl->rom->mm_clock = cpu_to_le32(mm_time);
519
    qxl_rom_set_dirty(qxl);
520
}
521

    
522
static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
523
{
524
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
525

    
526
    trace_qxl_interface_get_init_info(qxl->id);
527
    info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
528
    info->memslot_id_bits = MEMSLOT_SLOT_BITS;
529
    info->num_memslots = NUM_MEMSLOTS;
530
    info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
531
    info->internal_groupslot_id = 0;
532
    info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS;
533
    info->n_surfaces = qxl->ssd.num_surfaces;
534
}
535

    
536
static const char *qxl_mode_to_string(int mode)
537
{
538
    switch (mode) {
539
    case QXL_MODE_COMPAT:
540
        return "compat";
541
    case QXL_MODE_NATIVE:
542
        return "native";
543
    case QXL_MODE_UNDEFINED:
544
        return "undefined";
545
    case QXL_MODE_VGA:
546
        return "vga";
547
    }
548
    return "INVALID";
549
}
550

    
551
static const char *io_port_to_string(uint32_t io_port)
552
{
553
    if (io_port >= QXL_IO_RANGE_SIZE) {
554
        return "out of range";
555
    }
556
    static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
557
        [QXL_IO_NOTIFY_CMD]             = "QXL_IO_NOTIFY_CMD",
558
        [QXL_IO_NOTIFY_CURSOR]          = "QXL_IO_NOTIFY_CURSOR",
559
        [QXL_IO_UPDATE_AREA]            = "QXL_IO_UPDATE_AREA",
560
        [QXL_IO_UPDATE_IRQ]             = "QXL_IO_UPDATE_IRQ",
561
        [QXL_IO_NOTIFY_OOM]             = "QXL_IO_NOTIFY_OOM",
562
        [QXL_IO_RESET]                  = "QXL_IO_RESET",
563
        [QXL_IO_SET_MODE]               = "QXL_IO_SET_MODE",
564
        [QXL_IO_LOG]                    = "QXL_IO_LOG",
565
        [QXL_IO_MEMSLOT_ADD]            = "QXL_IO_MEMSLOT_ADD",
566
        [QXL_IO_MEMSLOT_DEL]            = "QXL_IO_MEMSLOT_DEL",
567
        [QXL_IO_DETACH_PRIMARY]         = "QXL_IO_DETACH_PRIMARY",
568
        [QXL_IO_ATTACH_PRIMARY]         = "QXL_IO_ATTACH_PRIMARY",
569
        [QXL_IO_CREATE_PRIMARY]         = "QXL_IO_CREATE_PRIMARY",
570
        [QXL_IO_DESTROY_PRIMARY]        = "QXL_IO_DESTROY_PRIMARY",
571
        [QXL_IO_DESTROY_SURFACE_WAIT]   = "QXL_IO_DESTROY_SURFACE_WAIT",
572
        [QXL_IO_DESTROY_ALL_SURFACES]   = "QXL_IO_DESTROY_ALL_SURFACES",
573
        [QXL_IO_UPDATE_AREA_ASYNC]      = "QXL_IO_UPDATE_AREA_ASYNC",
574
        [QXL_IO_MEMSLOT_ADD_ASYNC]      = "QXL_IO_MEMSLOT_ADD_ASYNC",
575
        [QXL_IO_CREATE_PRIMARY_ASYNC]   = "QXL_IO_CREATE_PRIMARY_ASYNC",
576
        [QXL_IO_DESTROY_PRIMARY_ASYNC]  = "QXL_IO_DESTROY_PRIMARY_ASYNC",
577
        [QXL_IO_DESTROY_SURFACE_ASYNC]  = "QXL_IO_DESTROY_SURFACE_ASYNC",
578
        [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
579
                                        = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
580
        [QXL_IO_FLUSH_SURFACES_ASYNC]   = "QXL_IO_FLUSH_SURFACES_ASYNC",
581
        [QXL_IO_FLUSH_RELEASE]          = "QXL_IO_FLUSH_RELEASE",
582
        [QXL_IO_MONITORS_CONFIG_ASYNC]  = "QXL_IO_MONITORS_CONFIG_ASYNC",
583
    };
584
    return io_port_to_string[io_port];
585
}
586

    
587
/* called from spice server thread context only */
588
static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
589
{
590
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
591
    SimpleSpiceUpdate *update;
592
    QXLCommandRing *ring;
593
    QXLCommand *cmd;
594
    int notify, ret;
595

    
596
    trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
597

    
598
    switch (qxl->mode) {
599
    case QXL_MODE_VGA:
600
        ret = false;
601
        qemu_mutex_lock(&qxl->ssd.lock);
602
        update = QTAILQ_FIRST(&qxl->ssd.updates);
603
        if (update != NULL) {
604
            QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
605
            *ext = update->ext;
606
            ret = true;
607
        }
608
        qemu_mutex_unlock(&qxl->ssd.lock);
609
        if (ret) {
610
            trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
611
            qxl_log_command(qxl, "vga", ext);
612
        }
613
        return ret;
614
    case QXL_MODE_COMPAT:
615
    case QXL_MODE_NATIVE:
616
    case QXL_MODE_UNDEFINED:
617
        ring = &qxl->ram->cmd_ring;
618
        if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
619
            return false;
620
        }
621
        SPICE_RING_CONS_ITEM(qxl, ring, cmd);
622
        if (!cmd) {
623
            return false;
624
        }
625
        ext->cmd      = *cmd;
626
        ext->group_id = MEMSLOT_GROUP_GUEST;
627
        ext->flags    = qxl->cmdflags;
628
        SPICE_RING_POP(ring, notify);
629
        qxl_ring_set_dirty(qxl);
630
        if (notify) {
631
            qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
632
        }
633
        qxl->guest_primary.commands++;
634
        qxl_track_command(qxl, ext);
635
        qxl_log_command(qxl, "cmd", ext);
636
        trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
637
        return true;
638
    default:
639
        return false;
640
    }
641
}
642

    
643
/* called from spice server thread context only */
644
static int interface_req_cmd_notification(QXLInstance *sin)
645
{
646
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
647
    int wait = 1;
648

    
649
    trace_qxl_ring_command_req_notification(qxl->id);
650
    switch (qxl->mode) {
651
    case QXL_MODE_COMPAT:
652
    case QXL_MODE_NATIVE:
653
    case QXL_MODE_UNDEFINED:
654
        SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
655
        qxl_ring_set_dirty(qxl);
656
        break;
657
    default:
658
        /* nothing */
659
        break;
660
    }
661
    return wait;
662
}
663

    
664
/* called from spice server thread context only */
665
static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
666
{
667
    QXLReleaseRing *ring = &d->ram->release_ring;
668
    uint64_t *item;
669
    int notify;
670

    
671
#define QXL_FREE_BUNCH_SIZE 32
672

    
673
    if (ring->prod - ring->cons + 1 == ring->num_items) {
674
        /* ring full -- can't push */
675
        return;
676
    }
677
    if (!flush && d->oom_running) {
678
        /* collect everything from oom handler before pushing */
679
        return;
680
    }
681
    if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
682
        /* collect a bit more before pushing */
683
        return;
684
    }
685

    
686
    SPICE_RING_PUSH(ring, notify);
687
    trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
688
           d->guest_surfaces.count, d->num_free_res,
689
           d->last_release, notify ? "yes" : "no");
690
    trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
691
           ring->num_items, ring->prod, ring->cons);
692
    if (notify) {
693
        qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
694
    }
695
    SPICE_RING_PROD_ITEM(d, ring, item);
696
    if (!item) {
697
        return;
698
    }
699
    *item = 0;
700
    d->num_free_res = 0;
701
    d->last_release = NULL;
702
    qxl_ring_set_dirty(d);
703
}
704

    
705
/* called from spice server thread context only */
706
static void interface_release_resource(QXLInstance *sin,
707
                                       struct QXLReleaseInfoExt ext)
708
{
709
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
710
    QXLReleaseRing *ring;
711
    uint64_t *item, id;
712

    
713
    if (ext.group_id == MEMSLOT_GROUP_HOST) {
714
        /* host group -> vga mode update request */
715
        qemu_spice_destroy_update(&qxl->ssd, (void *)(intptr_t)ext.info->id);
716
        return;
717
    }
718

    
719
    /*
720
     * ext->info points into guest-visible memory
721
     * pci bar 0, $command.release_info
722
     */
723
    ring = &qxl->ram->release_ring;
724
    SPICE_RING_PROD_ITEM(qxl, ring, item);
725
    if (!item) {
726
        return;
727
    }
728
    if (*item == 0) {
729
        /* stick head into the ring */
730
        id = ext.info->id;
731
        ext.info->next = 0;
732
        qxl_ram_set_dirty(qxl, &ext.info->next);
733
        *item = id;
734
        qxl_ring_set_dirty(qxl);
735
    } else {
736
        /* append item to the list */
737
        qxl->last_release->next = ext.info->id;
738
        qxl_ram_set_dirty(qxl, &qxl->last_release->next);
739
        ext.info->next = 0;
740
        qxl_ram_set_dirty(qxl, &ext.info->next);
741
    }
742
    qxl->last_release = ext.info;
743
    qxl->num_free_res++;
744
    trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
745
    qxl_push_free_res(qxl, 0);
746
}
747

    
748
/* called from spice server thread context only */
749
static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
750
{
751
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
752
    QXLCursorRing *ring;
753
    QXLCommand *cmd;
754
    int notify;
755

    
756
    trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
757

    
758
    switch (qxl->mode) {
759
    case QXL_MODE_COMPAT:
760
    case QXL_MODE_NATIVE:
761
    case QXL_MODE_UNDEFINED:
762
        ring = &qxl->ram->cursor_ring;
763
        if (SPICE_RING_IS_EMPTY(ring)) {
764
            return false;
765
        }
766
        SPICE_RING_CONS_ITEM(qxl, ring, cmd);
767
        if (!cmd) {
768
            return false;
769
        }
770
        ext->cmd      = *cmd;
771
        ext->group_id = MEMSLOT_GROUP_GUEST;
772
        ext->flags    = qxl->cmdflags;
773
        SPICE_RING_POP(ring, notify);
774
        qxl_ring_set_dirty(qxl);
775
        if (notify) {
776
            qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
777
        }
778
        qxl->guest_primary.commands++;
779
        qxl_track_command(qxl, ext);
780
        qxl_log_command(qxl, "csr", ext);
781
        if (qxl->id == 0) {
782
            qxl_render_cursor(qxl, ext);
783
        }
784
        trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
785
        return true;
786
    default:
787
        return false;
788
    }
789
}
790

    
791
/* called from spice server thread context only */
792
static int interface_req_cursor_notification(QXLInstance *sin)
793
{
794
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
795
    int wait = 1;
796

    
797
    trace_qxl_ring_cursor_req_notification(qxl->id);
798
    switch (qxl->mode) {
799
    case QXL_MODE_COMPAT:
800
    case QXL_MODE_NATIVE:
801
    case QXL_MODE_UNDEFINED:
802
        SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
803
        qxl_ring_set_dirty(qxl);
804
        break;
805
    default:
806
        /* nothing */
807
        break;
808
    }
809
    return wait;
810
}
811

    
812
/* called from spice server thread context */
813
static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
814
{
815
    /*
816
     * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
817
     * use by xf86-video-qxl and is defined out in the qxl windows driver.
818
     * Probably was at some earlier version that is prior to git start (2009),
819
     * and is still guest trigerrable.
820
     */
821
    fprintf(stderr, "%s: deprecated\n", __func__);
822
}
823

    
824
/* called from spice server thread context only */
825
static int interface_flush_resources(QXLInstance *sin)
826
{
827
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
828
    int ret;
829

    
830
    ret = qxl->num_free_res;
831
    if (ret) {
832
        qxl_push_free_res(qxl, 1);
833
    }
834
    return ret;
835
}
836

    
837
static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
838

    
839
/* called from spice server thread context only */
840
static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
841
{
842
    uint32_t current_async;
843

    
844
    qemu_mutex_lock(&qxl->async_lock);
845
    current_async = qxl->current_async;
846
    qxl->current_async = QXL_UNDEFINED_IO;
847
    qemu_mutex_unlock(&qxl->async_lock);
848

    
849
    trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
850
    if (!cookie) {
851
        fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
852
        return;
853
    }
854
    if (cookie && current_async != cookie->io) {
855
        fprintf(stderr,
856
                "qxl: %s: error: current_async = %d != %"
857
                PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
858
    }
859
    switch (current_async) {
860
    case QXL_IO_MEMSLOT_ADD_ASYNC:
861
    case QXL_IO_DESTROY_PRIMARY_ASYNC:
862
    case QXL_IO_UPDATE_AREA_ASYNC:
863
    case QXL_IO_FLUSH_SURFACES_ASYNC:
864
    case QXL_IO_MONITORS_CONFIG_ASYNC:
865
        break;
866
    case QXL_IO_CREATE_PRIMARY_ASYNC:
867
        qxl_create_guest_primary_complete(qxl);
868
        break;
869
    case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
870
        qxl_spice_destroy_surfaces_complete(qxl);
871
        break;
872
    case QXL_IO_DESTROY_SURFACE_ASYNC:
873
        qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
874
        break;
875
    default:
876
        fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
877
                current_async);
878
    }
879
    qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
880
}
881

    
882
/* called from spice server thread context only */
883
static void interface_update_area_complete(QXLInstance *sin,
884
        uint32_t surface_id,
885
        QXLRect *dirty, uint32_t num_updated_rects)
886
{
887
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
888
    int i;
889
    int qxl_i;
890

    
891
    qemu_mutex_lock(&qxl->ssd.lock);
892
    if (surface_id != 0 || !qxl->render_update_cookie_num) {
893
        qemu_mutex_unlock(&qxl->ssd.lock);
894
        return;
895
    }
896
    trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
897
            dirty->right, dirty->top, dirty->bottom);
898
    trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
899
    if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
900
        /*
901
         * overflow - treat this as a full update. Not expected to be common.
902
         */
903
        trace_qxl_interface_update_area_complete_overflow(qxl->id,
904
                                                          QXL_NUM_DIRTY_RECTS);
905
        qxl->guest_primary.resized = 1;
906
    }
907
    if (qxl->guest_primary.resized) {
908
        /*
909
         * Don't bother copying or scheduling the bh since we will flip
910
         * the whole area anyway on completion of the update_area async call
911
         */
912
        qemu_mutex_unlock(&qxl->ssd.lock);
913
        return;
914
    }
915
    qxl_i = qxl->num_dirty_rects;
916
    for (i = 0; i < num_updated_rects; i++) {
917
        qxl->dirty[qxl_i++] = dirty[i];
918
    }
919
    qxl->num_dirty_rects += num_updated_rects;
920
    trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
921
                                                         qxl->num_dirty_rects);
922
    qemu_bh_schedule(qxl->update_area_bh);
923
    qemu_mutex_unlock(&qxl->ssd.lock);
924
}
925

    
926
/* called from spice server thread context only */
927
static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
928
{
929
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
930
    QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
931

    
932
    switch (cookie->type) {
933
    case QXL_COOKIE_TYPE_IO:
934
        interface_async_complete_io(qxl, cookie);
935
        g_free(cookie);
936
        break;
937
    case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
938
        qxl_render_update_area_done(qxl, cookie);
939
        break;
940
    case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
941
        break;
942
    default:
943
        fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
944
                __func__, cookie->type);
945
        g_free(cookie);
946
    }
947
}
948

    
949
/* called from spice server thread context only */
950
static void interface_set_client_capabilities(QXLInstance *sin,
951
                                              uint8_t client_present,
952
                                              uint8_t caps[58])
953
{
954
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
955

    
956
    if (runstate_check(RUN_STATE_INMIGRATE) ||
957
        runstate_check(RUN_STATE_POSTMIGRATE)) {
958
        return;
959
    }
960

    
961
    qxl->shadow_rom.client_present = client_present;
962
    memcpy(qxl->shadow_rom.client_capabilities, caps, sizeof(caps));
963
    qxl->rom->client_present = client_present;
964
    memcpy(qxl->rom->client_capabilities, caps, sizeof(caps));
965
    qxl_rom_set_dirty(qxl);
966

    
967
    qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
968
}
969

    
970
static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
971
{
972
    /*
973
     * zlib xors the seed with 0xffffffff, and xors the result
974
     * again with 0xffffffff; Both are not done with linux's crc32,
975
     * which we want to be compatible with, so undo that.
976
     */
977
    return crc32(0xffffffff, p, len) ^ 0xffffffff;
978
}
979

    
980
/* called from main context only */
981
static int interface_client_monitors_config(QXLInstance *sin,
982
                                        VDAgentMonitorsConfig *monitors_config)
983
{
984
    PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
985
    QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
986
    int i;
987

    
988
    /*
989
     * Older windows drivers set int_mask to 0 when their ISR is called,
990
     * then later set it to ~0. So it doesn't relate to the actual interrupts
991
     * handled. However, they are old, so clearly they don't support this
992
     * interrupt
993
     */
994
    if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
995
        !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
996
        trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
997
                                                            qxl->ram->int_mask,
998
                                                            monitors_config);
999
        return 0;
1000
    }
1001
    if (!monitors_config) {
1002
        return 1;
1003
    }
1004
    memset(&rom->client_monitors_config, 0,
1005
           sizeof(rom->client_monitors_config));
1006
    rom->client_monitors_config.count = monitors_config->num_of_monitors;
1007
    /* monitors_config->flags ignored */
1008
    if (rom->client_monitors_config.count >=
1009
            ARRAY_SIZE(rom->client_monitors_config.heads)) {
1010
        trace_qxl_client_monitors_config_capped(qxl->id,
1011
                                monitors_config->num_of_monitors,
1012
                                ARRAY_SIZE(rom->client_monitors_config.heads));
1013
        rom->client_monitors_config.count =
1014
            ARRAY_SIZE(rom->client_monitors_config.heads);
1015
    }
1016
    for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1017
        VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1018
        QXLURect *rect = &rom->client_monitors_config.heads[i];
1019
        /* monitor->depth ignored */
1020
        rect->left = monitor->x;
1021
        rect->top = monitor->y;
1022
        rect->right = monitor->x + monitor->width;
1023
        rect->bottom = monitor->y + monitor->height;
1024
    }
1025
    rom->client_monitors_config_crc = qxl_crc32(
1026
            (const uint8_t *)&rom->client_monitors_config,
1027
            sizeof(rom->client_monitors_config));
1028
    trace_qxl_client_monitors_config_crc(qxl->id,
1029
            sizeof(rom->client_monitors_config),
1030
            rom->client_monitors_config_crc);
1031

    
1032
    trace_qxl_interrupt_client_monitors_config(qxl->id,
1033
                        rom->client_monitors_config.count,
1034
                        rom->client_monitors_config.heads);
1035
    qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1036
    return 1;
1037
}
1038

    
1039
static const QXLInterface qxl_interface = {
1040
    .base.type               = SPICE_INTERFACE_QXL,
1041
    .base.description        = "qxl gpu",
1042
    .base.major_version      = SPICE_INTERFACE_QXL_MAJOR,
1043
    .base.minor_version      = SPICE_INTERFACE_QXL_MINOR,
1044

    
1045
    .attache_worker          = interface_attach_worker,
1046
    .set_compression_level   = interface_set_compression_level,
1047
    .set_mm_time             = interface_set_mm_time,
1048
    .get_init_info           = interface_get_init_info,
1049

    
1050
    /* the callbacks below are called from spice server thread context */
1051
    .get_command             = interface_get_command,
1052
    .req_cmd_notification    = interface_req_cmd_notification,
1053
    .release_resource        = interface_release_resource,
1054
    .get_cursor_command      = interface_get_cursor_command,
1055
    .req_cursor_notification = interface_req_cursor_notification,
1056
    .notify_update           = interface_notify_update,
1057
    .flush_resources         = interface_flush_resources,
1058
    .async_complete          = interface_async_complete,
1059
    .update_area_complete    = interface_update_area_complete,
1060
    .set_client_capabilities = interface_set_client_capabilities,
1061
    .client_monitors_config = interface_client_monitors_config,
1062
};
1063

    
1064
static void qxl_enter_vga_mode(PCIQXLDevice *d)
1065
{
1066
    if (d->mode == QXL_MODE_VGA) {
1067
        return;
1068
    }
1069
    trace_qxl_enter_vga_mode(d->id);
1070
    qemu_spice_create_host_primary(&d->ssd);
1071
    d->mode = QXL_MODE_VGA;
1072
    dpy_gfx_resize(d->ssd.ds);
1073
    vga_dirty_log_start(&d->vga);
1074
}
1075

    
1076
static void qxl_exit_vga_mode(PCIQXLDevice *d)
1077
{
1078
    if (d->mode != QXL_MODE_VGA) {
1079
        return;
1080
    }
1081
    trace_qxl_exit_vga_mode(d->id);
1082
    vga_dirty_log_stop(&d->vga);
1083
    qxl_destroy_primary(d, QXL_SYNC);
1084
}
1085

    
1086
static void qxl_update_irq(PCIQXLDevice *d)
1087
{
1088
    uint32_t pending = le32_to_cpu(d->ram->int_pending);
1089
    uint32_t mask    = le32_to_cpu(d->ram->int_mask);
1090
    int level = !!(pending & mask);
1091
    qemu_set_irq(d->pci.irq[0], level);
1092
    qxl_ring_set_dirty(d);
1093
}
1094

    
1095
static void qxl_check_state(PCIQXLDevice *d)
1096
{
1097
    QXLRam *ram = d->ram;
1098
    int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1099

    
1100
    assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1101
    assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1102
}
1103

    
1104
static void qxl_reset_state(PCIQXLDevice *d)
1105
{
1106
    QXLRom *rom = d->rom;
1107

    
1108
    qxl_check_state(d);
1109
    d->shadow_rom.update_id = cpu_to_le32(0);
1110
    *rom = d->shadow_rom;
1111
    qxl_rom_set_dirty(d);
1112
    init_qxl_ram(d);
1113
    d->num_free_res = 0;
1114
    d->last_release = NULL;
1115
    memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1116
}
1117

    
1118
static void qxl_soft_reset(PCIQXLDevice *d)
1119
{
1120
    trace_qxl_soft_reset(d->id);
1121
    qxl_check_state(d);
1122
    qxl_clear_guest_bug(d);
1123
    d->current_async = QXL_UNDEFINED_IO;
1124

    
1125
    if (d->id == 0) {
1126
        qxl_enter_vga_mode(d);
1127
    } else {
1128
        d->mode = QXL_MODE_UNDEFINED;
1129
    }
1130
}
1131

    
1132
static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1133
{
1134
    trace_qxl_hard_reset(d->id, loadvm);
1135

    
1136
    qxl_spice_reset_cursor(d);
1137
    qxl_spice_reset_image_cache(d);
1138
    qxl_reset_surfaces(d);
1139
    qxl_reset_memslots(d);
1140

    
1141
    /* pre loadvm reset must not touch QXLRam.  This lives in
1142
     * device memory, is migrated together with RAM and thus
1143
     * already loaded at this point */
1144
    if (!loadvm) {
1145
        qxl_reset_state(d);
1146
    }
1147
    qemu_spice_create_host_memslot(&d->ssd);
1148
    qxl_soft_reset(d);
1149
}
1150

    
1151
static void qxl_reset_handler(DeviceState *dev)
1152
{
1153
    PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
1154

    
1155
    qxl_hard_reset(d, 0);
1156
}
1157

    
1158
static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1159
{
1160
    VGACommonState *vga = opaque;
1161
    PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1162

    
1163
    trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1164
    if (qxl->mode != QXL_MODE_VGA) {
1165
        qxl_destroy_primary(qxl, QXL_SYNC);
1166
        qxl_soft_reset(qxl);
1167
    }
1168
    vga_ioport_write(opaque, addr, val);
1169
}
1170

    
1171
static const MemoryRegionPortio qxl_vga_portio_list[] = {
1172
    { 0x04,  2, 1, .read  = vga_ioport_read,
1173
                   .write = qxl_vga_ioport_write }, /* 3b4 */
1174
    { 0x0a,  1, 1, .read  = vga_ioport_read,
1175
                   .write = qxl_vga_ioport_write }, /* 3ba */
1176
    { 0x10, 16, 1, .read  = vga_ioport_read,
1177
                   .write = qxl_vga_ioport_write }, /* 3c0 */
1178
    { 0x24,  2, 1, .read  = vga_ioport_read,
1179
                   .write = qxl_vga_ioport_write }, /* 3d4 */
1180
    { 0x2a,  1, 1, .read  = vga_ioport_read,
1181
                   .write = qxl_vga_ioport_write }, /* 3da */
1182
    PORTIO_END_OF_LIST(),
1183
};
1184

    
1185
static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1186
                           qxl_async_io async)
1187
{
1188
    static const int regions[] = {
1189
        QXL_RAM_RANGE_INDEX,
1190
        QXL_VRAM_RANGE_INDEX,
1191
        QXL_VRAM64_RANGE_INDEX,
1192
    };
1193
    uint64_t guest_start;
1194
    uint64_t guest_end;
1195
    int pci_region;
1196
    pcibus_t pci_start;
1197
    pcibus_t pci_end;
1198
    intptr_t virt_start;
1199
    QXLDevMemSlot memslot;
1200
    int i;
1201

    
1202
    guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1203
    guest_end   = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1204

    
1205
    trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1206

    
1207
    if (slot_id >= NUM_MEMSLOTS) {
1208
        qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1209
                      slot_id, NUM_MEMSLOTS);
1210
        return 1;
1211
    }
1212
    if (guest_start > guest_end) {
1213
        qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1214
                         " > 0x%" PRIx64, __func__, guest_start, guest_end);
1215
        return 1;
1216
    }
1217

    
1218
    for (i = 0; i < ARRAY_SIZE(regions); i++) {
1219
        pci_region = regions[i];
1220
        pci_start = d->pci.io_regions[pci_region].addr;
1221
        pci_end = pci_start + d->pci.io_regions[pci_region].size;
1222
        /* mapped? */
1223
        if (pci_start == -1) {
1224
            continue;
1225
        }
1226
        /* start address in range ? */
1227
        if (guest_start < pci_start || guest_start > pci_end) {
1228
            continue;
1229
        }
1230
        /* end address in range ? */
1231
        if (guest_end > pci_end) {
1232
            continue;
1233
        }
1234
        /* passed */
1235
        break;
1236
    }
1237
    if (i == ARRAY_SIZE(regions)) {
1238
        qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1239
        return 1;
1240
    }
1241

    
1242
    switch (pci_region) {
1243
    case QXL_RAM_RANGE_INDEX:
1244
        virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vga.vram);
1245
        break;
1246
    case QXL_VRAM_RANGE_INDEX:
1247
    case 4 /* vram 64bit */:
1248
        virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vram_bar);
1249
        break;
1250
    default:
1251
        /* should not happen */
1252
        qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1253
        return 1;
1254
    }
1255

    
1256
    memslot.slot_id = slot_id;
1257
    memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1258
    memslot.virt_start = virt_start + (guest_start - pci_start);
1259
    memslot.virt_end   = virt_start + (guest_end   - pci_start);
1260
    memslot.addr_delta = memslot.virt_start - delta;
1261
    memslot.generation = d->rom->slot_generation = 0;
1262
    qxl_rom_set_dirty(d);
1263

    
1264
    qemu_spice_add_memslot(&d->ssd, &memslot, async);
1265
    d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
1266
    d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1267
    d->guest_slots[slot_id].delta = delta;
1268
    d->guest_slots[slot_id].active = 1;
1269
    return 0;
1270
}
1271

    
1272
static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1273
{
1274
    qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1275
    d->guest_slots[slot_id].active = 0;
1276
}
1277

    
1278
static void qxl_reset_memslots(PCIQXLDevice *d)
1279
{
1280
    qxl_spice_reset_memslots(d);
1281
    memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1282
}
1283

    
1284
static void qxl_reset_surfaces(PCIQXLDevice *d)
1285
{
1286
    trace_qxl_reset_surfaces(d->id);
1287
    d->mode = QXL_MODE_UNDEFINED;
1288
    qxl_spice_destroy_surfaces(d, QXL_SYNC);
1289
}
1290

    
1291
/* can be also called from spice server thread context */
1292
void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1293
{
1294
    uint64_t phys   = le64_to_cpu(pqxl);
1295
    uint32_t slot   = (phys >> (64 -  8)) & 0xff;
1296
    uint64_t offset = phys & 0xffffffffffff;
1297

    
1298
    switch (group_id) {
1299
    case MEMSLOT_GROUP_HOST:
1300
        return (void *)(intptr_t)offset;
1301
    case MEMSLOT_GROUP_GUEST:
1302
        if (slot >= NUM_MEMSLOTS) {
1303
            qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1304
                              NUM_MEMSLOTS);
1305
            return NULL;
1306
        }
1307
        if (!qxl->guest_slots[slot].active) {
1308
            qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1309
            return NULL;
1310
        }
1311
        if (offset < qxl->guest_slots[slot].delta) {
1312
            qxl_set_guest_bug(qxl,
1313
                          "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1314
                          slot, offset, qxl->guest_slots[slot].delta);
1315
            return NULL;
1316
        }
1317
        offset -= qxl->guest_slots[slot].delta;
1318
        if (offset > qxl->guest_slots[slot].size) {
1319
            qxl_set_guest_bug(qxl,
1320
                          "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1321
                          slot, offset, qxl->guest_slots[slot].size);
1322
            return NULL;
1323
        }
1324
        return qxl->guest_slots[slot].ptr + offset;
1325
    }
1326
    return NULL;
1327
}
1328

    
1329
static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1330
{
1331
    /* for local rendering */
1332
    qxl_render_resize(qxl);
1333
}
1334

    
1335
static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1336
                                     qxl_async_io async)
1337
{
1338
    QXLDevSurfaceCreate surface;
1339
    QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1340
    int size;
1341
    int requested_height = le32_to_cpu(sc->height);
1342
    int requested_stride = le32_to_cpu(sc->stride);
1343

    
1344
    size = abs(requested_stride) * requested_height;
1345
    if (size > qxl->vgamem_size) {
1346
        qxl_set_guest_bug(qxl, "%s: requested primary larger then framebuffer"
1347
                               " size", __func__);
1348
        return;
1349
    }
1350

    
1351
    if (qxl->mode == QXL_MODE_NATIVE) {
1352
        qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1353
                      __func__);
1354
    }
1355
    qxl_exit_vga_mode(qxl);
1356

    
1357
    surface.format     = le32_to_cpu(sc->format);
1358
    surface.height     = le32_to_cpu(sc->height);
1359
    surface.mem        = le64_to_cpu(sc->mem);
1360
    surface.position   = le32_to_cpu(sc->position);
1361
    surface.stride     = le32_to_cpu(sc->stride);
1362
    surface.width      = le32_to_cpu(sc->width);
1363
    surface.type       = le32_to_cpu(sc->type);
1364
    surface.flags      = le32_to_cpu(sc->flags);
1365
    trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1366
                                   sc->format, sc->position);
1367
    trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1368
                                        sc->flags);
1369

    
1370
    if ((surface.stride & 0x3) != 0) {
1371
        qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1372
                          surface.stride);
1373
        return;
1374
    }
1375

    
1376
    surface.mouse_mode = true;
1377
    surface.group_id   = MEMSLOT_GROUP_GUEST;
1378
    if (loadvm) {
1379
        surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1380
    }
1381

    
1382
    qxl->mode = QXL_MODE_NATIVE;
1383
    qxl->cmdflags = 0;
1384
    qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1385

    
1386
    if (async == QXL_SYNC) {
1387
        qxl_create_guest_primary_complete(qxl);
1388
    }
1389
}
1390

    
1391
/* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1392
 * done (in QXL_SYNC case), 0 otherwise. */
1393
static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1394
{
1395
    if (d->mode == QXL_MODE_UNDEFINED) {
1396
        return 0;
1397
    }
1398
    trace_qxl_destroy_primary(d->id);
1399
    d->mode = QXL_MODE_UNDEFINED;
1400
    qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1401
    qxl_spice_reset_cursor(d);
1402
    return 1;
1403
}
1404

    
1405
static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
1406
{
1407
    pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1408
    pcibus_t end   = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1409
    QXLMode *mode = d->modes->modes + modenr;
1410
    uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1411
    QXLMemSlot slot = {
1412
        .mem_start = start,
1413
        .mem_end = end
1414
    };
1415
    QXLSurfaceCreate surface = {
1416
        .width      = mode->x_res,
1417
        .height     = mode->y_res,
1418
        .stride     = -mode->x_res * 4,
1419
        .format     = SPICE_SURFACE_FMT_32_xRGB,
1420
        .flags      = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1421
        .mouse_mode = true,
1422
        .mem        = devmem + d->shadow_rom.draw_area_offset,
1423
    };
1424

    
1425
    trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1426
                       devmem);
1427
    if (!loadvm) {
1428
        qxl_hard_reset(d, 0);
1429
    }
1430

    
1431
    d->guest_slots[0].slot = slot;
1432
    assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1433

    
1434
    d->guest_primary.surface = surface;
1435
    qxl_create_guest_primary(d, 0, QXL_SYNC);
1436

    
1437
    d->mode = QXL_MODE_COMPAT;
1438
    d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1439
    if (mode->bits == 16) {
1440
        d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1441
    }
1442
    d->shadow_rom.mode = cpu_to_le32(modenr);
1443
    d->rom->mode = cpu_to_le32(modenr);
1444
    qxl_rom_set_dirty(d);
1445
}
1446

    
1447
static void ioport_write(void *opaque, hwaddr addr,
1448
                         uint64_t val, unsigned size)
1449
{
1450
    PCIQXLDevice *d = opaque;
1451
    uint32_t io_port = addr;
1452
    qxl_async_io async = QXL_SYNC;
1453
    uint32_t orig_io_port = io_port;
1454

    
1455
    if (d->guest_bug && io_port != QXL_IO_RESET) {
1456
        return;
1457
    }
1458

    
1459
    if (d->revision <= QXL_REVISION_STABLE_V10 &&
1460
        io_port > QXL_IO_FLUSH_RELEASE) {
1461
        qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1462
            io_port, d->revision);
1463
        return;
1464
    }
1465

    
1466
    switch (io_port) {
1467
    case QXL_IO_RESET:
1468
    case QXL_IO_SET_MODE:
1469
    case QXL_IO_MEMSLOT_ADD:
1470
    case QXL_IO_MEMSLOT_DEL:
1471
    case QXL_IO_CREATE_PRIMARY:
1472
    case QXL_IO_UPDATE_IRQ:
1473
    case QXL_IO_LOG:
1474
    case QXL_IO_MEMSLOT_ADD_ASYNC:
1475
    case QXL_IO_CREATE_PRIMARY_ASYNC:
1476
        break;
1477
    default:
1478
        if (d->mode != QXL_MODE_VGA) {
1479
            break;
1480
        }
1481
        trace_qxl_io_unexpected_vga_mode(d->id,
1482
            addr, val, io_port_to_string(io_port));
1483
        /* be nice to buggy guest drivers */
1484
        if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1485
            io_port < QXL_IO_RANGE_SIZE) {
1486
            qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1487
        }
1488
        return;
1489
    }
1490

    
1491
    /* we change the io_port to avoid ifdeffery in the main switch */
1492
    orig_io_port = io_port;
1493
    switch (io_port) {
1494
    case QXL_IO_UPDATE_AREA_ASYNC:
1495
        io_port = QXL_IO_UPDATE_AREA;
1496
        goto async_common;
1497
    case QXL_IO_MEMSLOT_ADD_ASYNC:
1498
        io_port = QXL_IO_MEMSLOT_ADD;
1499
        goto async_common;
1500
    case QXL_IO_CREATE_PRIMARY_ASYNC:
1501
        io_port = QXL_IO_CREATE_PRIMARY;
1502
        goto async_common;
1503
    case QXL_IO_DESTROY_PRIMARY_ASYNC:
1504
        io_port = QXL_IO_DESTROY_PRIMARY;
1505
        goto async_common;
1506
    case QXL_IO_DESTROY_SURFACE_ASYNC:
1507
        io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1508
        goto async_common;
1509
    case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1510
        io_port = QXL_IO_DESTROY_ALL_SURFACES;
1511
        goto async_common;
1512
    case QXL_IO_FLUSH_SURFACES_ASYNC:
1513
    case QXL_IO_MONITORS_CONFIG_ASYNC:
1514
async_common:
1515
        async = QXL_ASYNC;
1516
        qemu_mutex_lock(&d->async_lock);
1517
        if (d->current_async != QXL_UNDEFINED_IO) {
1518
            qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1519
                io_port, d->current_async);
1520
            qemu_mutex_unlock(&d->async_lock);
1521
            return;
1522
        }
1523
        d->current_async = orig_io_port;
1524
        qemu_mutex_unlock(&d->async_lock);
1525
        break;
1526
    default:
1527
        break;
1528
    }
1529
    trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), addr, val, size,
1530
                       async);
1531

    
1532
    switch (io_port) {
1533
    case QXL_IO_UPDATE_AREA:
1534
    {
1535
        QXLCookie *cookie = NULL;
1536
        QXLRect update = d->ram->update_area;
1537

    
1538
        if (d->ram->update_surface > d->ssd.num_surfaces) {
1539
            qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1540
                              d->ram->update_surface);
1541
            break;
1542
        }
1543
        if (update.left >= update.right || update.top >= update.bottom ||
1544
            update.left < 0 || update.top < 0) {
1545
            qxl_set_guest_bug(d,
1546
                    "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1547
                    update.left, update.top, update.right, update.bottom);
1548
            break;
1549
        }
1550
        if (async == QXL_ASYNC) {
1551
            cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1552
                                    QXL_IO_UPDATE_AREA_ASYNC);
1553
            cookie->u.area = update;
1554
        }
1555
        qxl_spice_update_area(d, d->ram->update_surface,
1556
                              cookie ? &cookie->u.area : &update,
1557
                              NULL, 0, 0, async, cookie);
1558
        break;
1559
    }
1560
    case QXL_IO_NOTIFY_CMD:
1561
        qemu_spice_wakeup(&d->ssd);
1562
        break;
1563
    case QXL_IO_NOTIFY_CURSOR:
1564
        qemu_spice_wakeup(&d->ssd);
1565
        break;
1566
    case QXL_IO_UPDATE_IRQ:
1567
        qxl_update_irq(d);
1568
        break;
1569
    case QXL_IO_NOTIFY_OOM:
1570
        if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1571
            break;
1572
        }
1573
        d->oom_running = 1;
1574
        qxl_spice_oom(d);
1575
        d->oom_running = 0;
1576
        break;
1577
    case QXL_IO_SET_MODE:
1578
        qxl_set_mode(d, val, 0);
1579
        break;
1580
    case QXL_IO_LOG:
1581
        trace_qxl_io_log(d->id, d->ram->log_buf);
1582
        if (d->guestdebug) {
1583
            fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1584
                    qemu_get_clock_ns(vm_clock), d->ram->log_buf);
1585
        }
1586
        break;
1587
    case QXL_IO_RESET:
1588
        qxl_hard_reset(d, 0);
1589
        break;
1590
    case QXL_IO_MEMSLOT_ADD:
1591
        if (val >= NUM_MEMSLOTS) {
1592
            qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1593
            break;
1594
        }
1595
        if (d->guest_slots[val].active) {
1596
            qxl_set_guest_bug(d,
1597
                        "QXL_IO_MEMSLOT_ADD: memory slot already active");
1598
            break;
1599
        }
1600
        d->guest_slots[val].slot = d->ram->mem_slot;
1601
        qxl_add_memslot(d, val, 0, async);
1602
        break;
1603
    case QXL_IO_MEMSLOT_DEL:
1604
        if (val >= NUM_MEMSLOTS) {
1605
            qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1606
            break;
1607
        }
1608
        qxl_del_memslot(d, val);
1609
        break;
1610
    case QXL_IO_CREATE_PRIMARY:
1611
        if (val != 0) {
1612
            qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1613
                          async);
1614
            goto cancel_async;
1615
        }
1616
        d->guest_primary.surface = d->ram->create_surface;
1617
        qxl_create_guest_primary(d, 0, async);
1618
        break;
1619
    case QXL_IO_DESTROY_PRIMARY:
1620
        if (val != 0) {
1621
            qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1622
                          async);
1623
            goto cancel_async;
1624
        }
1625
        if (!qxl_destroy_primary(d, async)) {
1626
            trace_qxl_io_destroy_primary_ignored(d->id,
1627
                                                 qxl_mode_to_string(d->mode));
1628
            goto cancel_async;
1629
        }
1630
        break;
1631
    case QXL_IO_DESTROY_SURFACE_WAIT:
1632
        if (val >= d->ssd.num_surfaces) {
1633
            qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1634
                             "%" PRIu64 " >= NUM_SURFACES", async, val);
1635
            goto cancel_async;
1636
        }
1637
        qxl_spice_destroy_surface_wait(d, val, async);
1638
        break;
1639
    case QXL_IO_FLUSH_RELEASE: {
1640
        QXLReleaseRing *ring = &d->ram->release_ring;
1641
        if (ring->prod - ring->cons + 1 == ring->num_items) {
1642
            fprintf(stderr,
1643
                "ERROR: no flush, full release ring [p%d,%dc]\n",
1644
                ring->prod, ring->cons);
1645
        }
1646
        qxl_push_free_res(d, 1 /* flush */);
1647
        break;
1648
    }
1649
    case QXL_IO_FLUSH_SURFACES_ASYNC:
1650
        qxl_spice_flush_surfaces_async(d);
1651
        break;
1652
    case QXL_IO_DESTROY_ALL_SURFACES:
1653
        d->mode = QXL_MODE_UNDEFINED;
1654
        qxl_spice_destroy_surfaces(d, async);
1655
        break;
1656
    case QXL_IO_MONITORS_CONFIG_ASYNC:
1657
        qxl_spice_monitors_config_async(d, 0);
1658
        break;
1659
    default:
1660
        qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1661
    }
1662
    return;
1663
cancel_async:
1664
    if (async) {
1665
        qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1666
        qemu_mutex_lock(&d->async_lock);
1667
        d->current_async = QXL_UNDEFINED_IO;
1668
        qemu_mutex_unlock(&d->async_lock);
1669
    }
1670
}
1671

    
1672
static uint64_t ioport_read(void *opaque, hwaddr addr,
1673
                            unsigned size)
1674
{
1675
    PCIQXLDevice *qxl = opaque;
1676

    
1677
    trace_qxl_io_read_unexpected(qxl->id);
1678
    return 0xff;
1679
}
1680

    
1681
static const MemoryRegionOps qxl_io_ops = {
1682
    .read = ioport_read,
1683
    .write = ioport_write,
1684
    .valid = {
1685
        .min_access_size = 1,
1686
        .max_access_size = 1,
1687
    },
1688
};
1689

    
1690
static void pipe_read(void *opaque)
1691
{
1692
    PCIQXLDevice *d = opaque;
1693
    char dummy;
1694
    int len;
1695

    
1696
    do {
1697
        len = read(d->pipe[0], &dummy, sizeof(dummy));
1698
    } while (len == sizeof(dummy));
1699
    qxl_update_irq(d);
1700
}
1701

    
1702
static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1703
{
1704
    uint32_t old_pending;
1705
    uint32_t le_events = cpu_to_le32(events);
1706

    
1707
    trace_qxl_send_events(d->id, events);
1708
    if (!qemu_spice_display_is_running(&d->ssd)) {
1709
        /* spice-server tracks guest running state and should not do this */
1710
        fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1711
                __func__);
1712
        trace_qxl_send_events_vm_stopped(d->id, events);
1713
        return;
1714
    }
1715
    old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
1716
    if ((old_pending & le_events) == le_events) {
1717
        return;
1718
    }
1719
    if (qemu_thread_is_self(&d->main)) {
1720
        qxl_update_irq(d);
1721
    } else {
1722
        if (write(d->pipe[1], d, 1) != 1) {
1723
            dprint(d, 1, "%s: write to pipe failed\n", __func__);
1724
        }
1725
    }
1726
}
1727

    
1728
static void init_pipe_signaling(PCIQXLDevice *d)
1729
{
1730
    if (pipe(d->pipe) < 0) {
1731
        fprintf(stderr, "%s:%s: qxl pipe creation failed\n",
1732
                __FILE__, __func__);
1733
        exit(1);
1734
    }
1735
    fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
1736
    fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
1737
    fcntl(d->pipe[0], F_SETOWN, getpid());
1738

    
1739
    qemu_thread_get_self(&d->main);
1740
    qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
1741
}
1742

    
1743
/* graphics console */
1744

    
1745
static void qxl_hw_update(void *opaque)
1746
{
1747
    PCIQXLDevice *qxl = opaque;
1748
    VGACommonState *vga = &qxl->vga;
1749

    
1750
    switch (qxl->mode) {
1751
    case QXL_MODE_VGA:
1752
        vga->update(vga);
1753
        break;
1754
    case QXL_MODE_COMPAT:
1755
    case QXL_MODE_NATIVE:
1756
        qxl_render_update(qxl);
1757
        break;
1758
    default:
1759
        break;
1760
    }
1761
}
1762

    
1763
static void qxl_hw_invalidate(void *opaque)
1764
{
1765
    PCIQXLDevice *qxl = opaque;
1766
    VGACommonState *vga = &qxl->vga;
1767

    
1768
    vga->invalidate(vga);
1769
}
1770

    
1771
static void qxl_hw_screen_dump(void *opaque, const char *filename, bool cswitch,
1772
                               Error **errp)
1773
{
1774
    PCIQXLDevice *qxl = opaque;
1775
    VGACommonState *vga = &qxl->vga;
1776

    
1777
    switch (qxl->mode) {
1778
    case QXL_MODE_COMPAT:
1779
    case QXL_MODE_NATIVE:
1780
        qxl_render_update(qxl);
1781
        ppm_save(filename, qxl->ssd.ds->surface, errp);
1782
        break;
1783
    case QXL_MODE_VGA:
1784
        vga->screen_dump(vga, filename, cswitch, errp);
1785
        break;
1786
    default:
1787
        break;
1788
    }
1789
}
1790

    
1791
static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
1792
{
1793
    PCIQXLDevice *qxl = opaque;
1794
    VGACommonState *vga = &qxl->vga;
1795

    
1796
    if (qxl->mode == QXL_MODE_VGA) {
1797
        vga->text_update(vga, chardata);
1798
        return;
1799
    }
1800
}
1801

    
1802
static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1803
{
1804
    uintptr_t vram_start;
1805
    int i;
1806

    
1807
    if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1808
        return;
1809
    }
1810

    
1811
    /* dirty the primary surface */
1812
    qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset,
1813
                  qxl->shadow_rom.surface0_area_size);
1814

    
1815
    vram_start = (uintptr_t)memory_region_get_ram_ptr(&qxl->vram_bar);
1816

    
1817
    /* dirty the off-screen surfaces */
1818
    for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1819
        QXLSurfaceCmd *cmd;
1820
        intptr_t surface_offset;
1821
        int surface_size;
1822

    
1823
        if (qxl->guest_surfaces.cmds[i] == 0) {
1824
            continue;
1825
        }
1826

    
1827
        cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1828
                            MEMSLOT_GROUP_GUEST);
1829
        assert(cmd);
1830
        assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1831
        surface_offset = (intptr_t)qxl_phys2virt(qxl,
1832
                                                 cmd->u.surface_create.data,
1833
                                                 MEMSLOT_GROUP_GUEST);
1834
        assert(surface_offset);
1835
        surface_offset -= vram_start;
1836
        surface_size = cmd->u.surface_create.height *
1837
                       abs(cmd->u.surface_create.stride);
1838
        trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset, surface_size);
1839
        qxl_set_dirty(&qxl->vram_bar, surface_offset, surface_size);
1840
    }
1841
}
1842

    
1843
static void qxl_vm_change_state_handler(void *opaque, int running,
1844
                                        RunState state)
1845
{
1846
    PCIQXLDevice *qxl = opaque;
1847

    
1848
    if (running) {
1849
        /*
1850
         * if qxl_send_events was called from spice server context before
1851
         * migration ended, qxl_update_irq for these events might not have been
1852
         * called
1853
         */
1854
         qxl_update_irq(qxl);
1855
    } else {
1856
        /* make sure surfaces are saved before migration */
1857
        qxl_dirty_surfaces(qxl);
1858
    }
1859
}
1860

    
1861
/* display change listener */
1862

    
1863
static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
1864
{
1865
    if (qxl0->mode == QXL_MODE_VGA) {
1866
        qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
1867
    }
1868
}
1869

    
1870
static void display_resize(struct DisplayState *ds)
1871
{
1872
    if (qxl0->mode == QXL_MODE_VGA) {
1873
        qemu_spice_display_resize(&qxl0->ssd);
1874
    }
1875
}
1876

    
1877
static void display_refresh(struct DisplayState *ds)
1878
{
1879
    if (qxl0->mode == QXL_MODE_VGA) {
1880
        qemu_spice_display_refresh(&qxl0->ssd);
1881
    } else {
1882
        qemu_mutex_lock(&qxl0->ssd.lock);
1883
        qemu_spice_cursor_refresh_unlocked(&qxl0->ssd);
1884
        qemu_mutex_unlock(&qxl0->ssd.lock);
1885
    }
1886
}
1887

    
1888
static DisplayChangeListener display_listener = {
1889
    .dpy_gfx_update  = display_update,
1890
    .dpy_gfx_resize  = display_resize,
1891
    .dpy_refresh = display_refresh,
1892
};
1893

    
1894
static void qxl_init_ramsize(PCIQXLDevice *qxl)
1895
{
1896
    /* vga mode framebuffer / primary surface (bar 0, first part) */
1897
    if (qxl->vgamem_size_mb < 8) {
1898
        qxl->vgamem_size_mb = 8;
1899
    }
1900
    qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024;
1901

    
1902
    /* vga ram (bar 0, total) */
1903
    if (qxl->ram_size_mb != -1) {
1904
        qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
1905
    }
1906
    if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
1907
        qxl->vga.vram_size = qxl->vgamem_size * 2;
1908
    }
1909

    
1910
    /* vram32 (surfaces, 32bit, bar 1) */
1911
    if (qxl->vram32_size_mb != -1) {
1912
        qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
1913
    }
1914
    if (qxl->vram32_size < 4096) {
1915
        qxl->vram32_size = 4096;
1916
    }
1917

    
1918
    /* vram (surfaces, 64bit, bar 4+5) */
1919
    if (qxl->vram_size_mb != -1) {
1920
        qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
1921
    }
1922
    if (qxl->vram_size < qxl->vram32_size) {
1923
        qxl->vram_size = qxl->vram32_size;
1924
    }
1925

    
1926
    if (qxl->revision == 1) {
1927
        qxl->vram32_size = 4096;
1928
        qxl->vram_size = 4096;
1929
    }
1930
    qxl->vgamem_size = msb_mask(qxl->vgamem_size * 2 - 1);
1931
    qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1932
    qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1);
1933
    qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
1934
}
1935

    
1936
static int qxl_init_common(PCIQXLDevice *qxl)
1937
{
1938
    uint8_t* config = qxl->pci.config;
1939
    uint32_t pci_device_rev;
1940
    uint32_t io_size;
1941

    
1942
    qxl->mode = QXL_MODE_UNDEFINED;
1943
    qxl->generation = 1;
1944
    qxl->num_memslots = NUM_MEMSLOTS;
1945
    qemu_mutex_init(&qxl->track_lock);
1946
    qemu_mutex_init(&qxl->async_lock);
1947
    qxl->current_async = QXL_UNDEFINED_IO;
1948
    qxl->guest_bug = 0;
1949

    
1950
    switch (qxl->revision) {
1951
    case 1: /* spice 0.4 -- qxl-1 */
1952
        pci_device_rev = QXL_REVISION_STABLE_V04;
1953
        io_size = 8;
1954
        break;
1955
    case 2: /* spice 0.6 -- qxl-2 */
1956
        pci_device_rev = QXL_REVISION_STABLE_V06;
1957
        io_size = 16;
1958
        break;
1959
    case 3: /* qxl-3 */
1960
        pci_device_rev = QXL_REVISION_STABLE_V10;
1961
        io_size = 32; /* PCI region size must be pow2 */
1962
        break;
1963
    case 4: /* qxl-4 */
1964
        pci_device_rev = QXL_REVISION_STABLE_V12;
1965
        io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
1966
        break;
1967
    default:
1968
        error_report("Invalid revision %d for qxl device (max %d)",
1969
                     qxl->revision, QXL_DEFAULT_REVISION);
1970
        return -1;
1971
    }
1972

    
1973
    pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
1974
    pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
1975

    
1976
    qxl->rom_size = qxl_rom_size();
1977
    memory_region_init_ram(&qxl->rom_bar, "qxl.vrom", qxl->rom_size);
1978
    vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev);
1979
    init_qxl_rom(qxl);
1980
    init_qxl_ram(qxl);
1981

    
1982
    qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
1983
    memory_region_init_ram(&qxl->vram_bar, "qxl.vram", qxl->vram_size);
1984
    vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev);
1985
    memory_region_init_alias(&qxl->vram32_bar, "qxl.vram32", &qxl->vram_bar,
1986
                             0, qxl->vram32_size);
1987

    
1988
    memory_region_init_io(&qxl->io_bar, &qxl_io_ops, qxl,
1989
                          "qxl-ioports", io_size);
1990
    if (qxl->id == 0) {
1991
        vga_dirty_log_start(&qxl->vga);
1992
    }
1993
    memory_region_set_flush_coalesced(&qxl->io_bar);
1994

    
1995

    
1996
    pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
1997
                     PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
1998

    
1999
    pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2000
                     PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2001

    
2002
    pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2003
                     PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2004

    
2005
    pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2006
                     PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2007

    
2008
    if (qxl->vram32_size < qxl->vram_size) {
2009
        /*
2010
         * Make the 64bit vram bar show up only in case it is
2011
         * configured to be larger than the 32bit vram bar.
2012
         */
2013
        pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2014
                         PCI_BASE_ADDRESS_SPACE_MEMORY |
2015
                         PCI_BASE_ADDRESS_MEM_TYPE_64 |
2016
                         PCI_BASE_ADDRESS_MEM_PREFETCH,
2017
                         &qxl->vram_bar);
2018
    }
2019

    
2020
    /* print pci bar details */
2021
    dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
2022
           qxl->id == 0 ? "pri" : "sec",
2023
           qxl->vga.vram_size / (1024*1024));
2024
    dprint(qxl, 1, "vram/32: %d MB [region 1]\n",
2025
           qxl->vram32_size / (1024*1024));
2026
    dprint(qxl, 1, "vram/64: %d MB %s\n",
2027
           qxl->vram_size / (1024*1024),
2028
           qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2029

    
2030
    qxl->ssd.qxl.base.sif = &qxl_interface.base;
2031
    qxl->ssd.qxl.id = qxl->id;
2032
    if (qemu_spice_add_interface(&qxl->ssd.qxl.base) != 0) {
2033
        error_report("qxl interface %d.%d not supported by spice-server\n",
2034
                     SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2035
        return -1;
2036
    }
2037
    qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2038

    
2039
    init_pipe_signaling(qxl);
2040
    qxl_reset_state(qxl);
2041

    
2042
    qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2043

    
2044
    return 0;
2045
}
2046

    
2047
static int qxl_init_primary(PCIDevice *dev)
2048
{
2049
    PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
2050
    VGACommonState *vga = &qxl->vga;
2051
    PortioList *qxl_vga_port_list = g_new(PortioList, 1);
2052
    int rc;
2053

    
2054
    qxl->id = 0;
2055
    qxl_init_ramsize(qxl);
2056
    vga->vram_size_mb = qxl->vga.vram_size >> 20;
2057
    vga_common_init(vga);
2058
    vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
2059
    portio_list_init(qxl_vga_port_list, qxl_vga_portio_list, vga, "vga");
2060
    portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
2061

    
2062
    vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
2063
                                   qxl_hw_screen_dump, qxl_hw_text_update, qxl);
2064
    qemu_spice_display_init_common(&qxl->ssd, vga->ds);
2065

    
2066
    qxl0 = qxl;
2067

    
2068
    rc = qxl_init_common(qxl);
2069
    if (rc != 0) {
2070
        return rc;
2071
    }
2072

    
2073
    register_displaychangelistener(vga->ds, &display_listener);
2074
    return rc;
2075
}
2076

    
2077
static int qxl_init_secondary(PCIDevice *dev)
2078
{
2079
    static int device_id = 1;
2080
    PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
2081

    
2082
    qxl->id = device_id++;
2083
    qxl_init_ramsize(qxl);
2084
    memory_region_init_ram(&qxl->vga.vram, "qxl.vgavram", qxl->vga.vram_size);
2085
    vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev);
2086
    qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
2087

    
2088
    return qxl_init_common(qxl);
2089
}
2090

    
2091
static void qxl_pre_save(void *opaque)
2092
{
2093
    PCIQXLDevice* d = opaque;
2094
    uint8_t *ram_start = d->vga.vram_ptr;
2095

    
2096
    trace_qxl_pre_save(d->id);
2097
    if (d->last_release == NULL) {
2098
        d->last_release_offset = 0;
2099
    } else {
2100
        d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2101
    }
2102
    assert(d->last_release_offset < d->vga.vram_size);
2103
}
2104

    
2105
static int qxl_pre_load(void *opaque)
2106
{
2107
    PCIQXLDevice* d = opaque;
2108

    
2109
    trace_qxl_pre_load(d->id);
2110
    qxl_hard_reset(d, 1);
2111
    qxl_exit_vga_mode(d);
2112
    return 0;
2113
}
2114

    
2115
static void qxl_create_memslots(PCIQXLDevice *d)
2116
{
2117
    int i;
2118

    
2119
    for (i = 0; i < NUM_MEMSLOTS; i++) {
2120
        if (!d->guest_slots[i].active) {
2121
            continue;
2122
        }
2123
        qxl_add_memslot(d, i, 0, QXL_SYNC);
2124
    }
2125
}
2126

    
2127
static int qxl_post_load(void *opaque, int version)
2128
{
2129
    PCIQXLDevice* d = opaque;
2130
    uint8_t *ram_start = d->vga.vram_ptr;
2131
    QXLCommandExt *cmds;
2132
    int in, out, newmode;
2133

    
2134
    assert(d->last_release_offset < d->vga.vram_size);
2135
    if (d->last_release_offset == 0) {
2136
        d->last_release = NULL;
2137
    } else {
2138
        d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2139
    }
2140

    
2141
    d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2142

    
2143
    trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2144
    newmode = d->mode;
2145
    d->mode = QXL_MODE_UNDEFINED;
2146

    
2147
    switch (newmode) {
2148
    case QXL_MODE_UNDEFINED:
2149
        qxl_create_memslots(d);
2150
        break;
2151
    case QXL_MODE_VGA:
2152
        qxl_create_memslots(d);
2153
        qxl_enter_vga_mode(d);
2154
        break;
2155
    case QXL_MODE_NATIVE:
2156
        qxl_create_memslots(d);
2157
        qxl_create_guest_primary(d, 1, QXL_SYNC);
2158

    
2159
        /* replay surface-create and cursor-set commands */
2160
        cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1));
2161
        for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2162
            if (d->guest_surfaces.cmds[in] == 0) {
2163
                continue;
2164
            }
2165
            cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2166
            cmds[out].cmd.type = QXL_CMD_SURFACE;
2167
            cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2168
            out++;
2169
        }
2170
        if (d->guest_cursor) {
2171
            cmds[out].cmd.data = d->guest_cursor;
2172
            cmds[out].cmd.type = QXL_CMD_CURSOR;
2173
            cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2174
            out++;
2175
        }
2176
        qxl_spice_loadvm_commands(d, cmds, out);
2177
        g_free(cmds);
2178
        if (d->guest_monitors_config) {
2179
            qxl_spice_monitors_config_async(d, 1);
2180
        }
2181
        break;
2182
    case QXL_MODE_COMPAT:
2183
        /* note: no need to call qxl_create_memslots, qxl_set_mode
2184
         * creates the mem slot. */
2185
        qxl_set_mode(d, d->shadow_rom.mode, 1);
2186
        break;
2187
    }
2188
    return 0;
2189
}
2190

    
2191
#define QXL_SAVE_VERSION 21
2192

    
2193
static bool qxl_monitors_config_needed(void *opaque)
2194
{
2195
    PCIQXLDevice *qxl = opaque;
2196

    
2197
    return qxl->guest_monitors_config != 0;
2198
}
2199

    
2200

    
2201
static VMStateDescription qxl_memslot = {
2202
    .name               = "qxl-memslot",
2203
    .version_id         = QXL_SAVE_VERSION,
2204
    .minimum_version_id = QXL_SAVE_VERSION,
2205
    .fields = (VMStateField[]) {
2206
        VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2207
        VMSTATE_UINT64(slot.mem_end,   struct guest_slots),
2208
        VMSTATE_UINT32(active,         struct guest_slots),
2209
        VMSTATE_END_OF_LIST()
2210
    }
2211
};
2212

    
2213
static VMStateDescription qxl_surface = {
2214
    .name               = "qxl-surface",
2215
    .version_id         = QXL_SAVE_VERSION,
2216
    .minimum_version_id = QXL_SAVE_VERSION,
2217
    .fields = (VMStateField[]) {
2218
        VMSTATE_UINT32(width,      QXLSurfaceCreate),
2219
        VMSTATE_UINT32(height,     QXLSurfaceCreate),
2220
        VMSTATE_INT32(stride,      QXLSurfaceCreate),
2221
        VMSTATE_UINT32(format,     QXLSurfaceCreate),
2222
        VMSTATE_UINT32(position,   QXLSurfaceCreate),
2223
        VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2224
        VMSTATE_UINT32(flags,      QXLSurfaceCreate),
2225
        VMSTATE_UINT32(type,       QXLSurfaceCreate),
2226
        VMSTATE_UINT64(mem,        QXLSurfaceCreate),
2227
        VMSTATE_END_OF_LIST()
2228
    }
2229
};
2230

    
2231
static VMStateDescription qxl_vmstate_monitors_config = {
2232
    .name               = "qxl/monitors-config",
2233
    .version_id         = 1,
2234
    .minimum_version_id = 1,
2235
    .fields = (VMStateField[]) {
2236
        VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2237
        VMSTATE_END_OF_LIST()
2238
    },
2239
};
2240

    
2241
static VMStateDescription qxl_vmstate = {
2242
    .name               = "qxl",
2243
    .version_id         = QXL_SAVE_VERSION,
2244
    .minimum_version_id = QXL_SAVE_VERSION,
2245
    .pre_save           = qxl_pre_save,
2246
    .pre_load           = qxl_pre_load,
2247
    .post_load          = qxl_post_load,
2248
    .fields = (VMStateField[]) {
2249
        VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2250
        VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2251
        VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2252
        VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2253
        VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2254
        VMSTATE_UINT32(mode, PCIQXLDevice),
2255
        VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2256
        VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
2257
        VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2258
                             qxl_memslot, struct guest_slots),
2259
        VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2260
                       qxl_surface, QXLSurfaceCreate),
2261
        VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice),
2262
        VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2263
                             ssd.num_surfaces, 0,
2264
                             vmstate_info_uint64, uint64_t),
2265
        VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2266
        VMSTATE_END_OF_LIST()
2267
    },
2268
    .subsections = (VMStateSubsection[]) {
2269
        {
2270
            .vmsd = &qxl_vmstate_monitors_config,
2271
            .needed = qxl_monitors_config_needed,
2272
        }, {
2273
            /* empty */
2274
        }
2275
    }
2276
};
2277

    
2278
static Property qxl_properties[] = {
2279
        DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
2280
                           64 * 1024 * 1024),
2281
        DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size,
2282
                           64 * 1024 * 1024),
2283
        DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2284
                           QXL_DEFAULT_REVISION),
2285
        DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2286
        DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2287
        DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2288
        DEFINE_PROP_UINT32("ram_size_mb",  PCIQXLDevice, ram_size_mb, -1),
2289
        DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2290
        DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2291
        DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2292
        DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2293
        DEFINE_PROP_END_OF_LIST(),
2294
};
2295

    
2296
static void qxl_primary_class_init(ObjectClass *klass, void *data)
2297
{
2298
    DeviceClass *dc = DEVICE_CLASS(klass);
2299
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2300

    
2301
    k->no_hotplug = 1;
2302
    k->init = qxl_init_primary;
2303
    k->romfile = "vgabios-qxl.bin";
2304
    k->vendor_id = REDHAT_PCI_VENDOR_ID;
2305
    k->device_id = QXL_DEVICE_ID_STABLE;
2306
    k->class_id = PCI_CLASS_DISPLAY_VGA;
2307
    dc->desc = "Spice QXL GPU (primary, vga compatible)";
2308
    dc->reset = qxl_reset_handler;
2309
    dc->vmsd = &qxl_vmstate;
2310
    dc->props = qxl_properties;
2311
}
2312

    
2313
static TypeInfo qxl_primary_info = {
2314
    .name          = "qxl-vga",
2315
    .parent        = TYPE_PCI_DEVICE,
2316
    .instance_size = sizeof(PCIQXLDevice),
2317
    .class_init    = qxl_primary_class_init,
2318
};
2319

    
2320
static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2321
{
2322
    DeviceClass *dc = DEVICE_CLASS(klass);
2323
    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2324

    
2325
    k->init = qxl_init_secondary;
2326
    k->vendor_id = REDHAT_PCI_VENDOR_ID;
2327
    k->device_id = QXL_DEVICE_ID_STABLE;
2328
    k->class_id = PCI_CLASS_DISPLAY_OTHER;
2329
    dc->desc = "Spice QXL GPU (secondary)";
2330
    dc->reset = qxl_reset_handler;
2331
    dc->vmsd = &qxl_vmstate;
2332
    dc->props = qxl_properties;
2333
}
2334

    
2335
static TypeInfo qxl_secondary_info = {
2336
    .name          = "qxl",
2337
    .parent        = TYPE_PCI_DEVICE,
2338
    .instance_size = sizeof(PCIQXLDevice),
2339
    .class_init    = qxl_secondary_class_init,
2340
};
2341

    
2342
static void qxl_register_types(void)
2343
{
2344
    type_register_static(&qxl_primary_info);
2345
    type_register_static(&qxl_secondary_info);
2346
}
2347

    
2348
type_init(qxl_register_types)