sm501: Add missing arbitration control register
[qemu.git] / hw / display / qxl.c
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 "qemu/osdep.h"
22 #include <zlib.h>
23
24 #include "qemu-common.h"
25 #include "qemu/timer.h"
26 #include "qemu/queue.h"
27 #include "qemu/atomic.h"
28 #include "sysemu/sysemu.h"
29 #include "migration/migration.h"
30 #include "trace.h"
31
32 #include "qxl.h"
33
34 /*
35 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
36 * such can be changed by the guest, so to avoid a guest trigerrable
37 * abort we just qxl_set_guest_bug and set the return to NULL. Still
38 * it may happen as a result of emulator bug as well.
39 */
40 #undef SPICE_RING_PROD_ITEM
41 #define SPICE_RING_PROD_ITEM(qxl, r, ret) { \
42 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
43 if (prod >= ARRAY_SIZE((r)->items)) { \
44 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
45 "%u >= %zu", prod, ARRAY_SIZE((r)->items)); \
46 ret = NULL; \
47 } else { \
48 ret = &(r)->items[prod].el; \
49 } \
50 }
51
52 #undef SPICE_RING_CONS_ITEM
53 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
54 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
55 if (cons >= ARRAY_SIZE((r)->items)) { \
56 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
57 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
58 ret = NULL; \
59 } else { \
60 ret = &(r)->items[cons].el; \
61 } \
62 }
63
64 #undef ALIGN
65 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
66
67 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
68
69 #define QXL_MODE(_x, _y, _b, _o) \
70 { .x_res = _x, \
71 .y_res = _y, \
72 .bits = _b, \
73 .stride = (_x) * (_b) / 8, \
74 .x_mili = PIXEL_SIZE * (_x), \
75 .y_mili = PIXEL_SIZE * (_y), \
76 .orientation = _o, \
77 }
78
79 #define QXL_MODE_16_32(x_res, y_res, orientation) \
80 QXL_MODE(x_res, y_res, 16, orientation), \
81 QXL_MODE(x_res, y_res, 32, orientation)
82
83 #define QXL_MODE_EX(x_res, y_res) \
84 QXL_MODE_16_32(x_res, y_res, 0), \
85 QXL_MODE_16_32(x_res, y_res, 1)
86
87 static QXLMode qxl_modes[] = {
88 QXL_MODE_EX(640, 480),
89 QXL_MODE_EX(800, 480),
90 QXL_MODE_EX(800, 600),
91 QXL_MODE_EX(832, 624),
92 QXL_MODE_EX(960, 640),
93 QXL_MODE_EX(1024, 600),
94 QXL_MODE_EX(1024, 768),
95 QXL_MODE_EX(1152, 864),
96 QXL_MODE_EX(1152, 870),
97 QXL_MODE_EX(1280, 720),
98 QXL_MODE_EX(1280, 760),
99 QXL_MODE_EX(1280, 768),
100 QXL_MODE_EX(1280, 800),
101 QXL_MODE_EX(1280, 960),
102 QXL_MODE_EX(1280, 1024),
103 QXL_MODE_EX(1360, 768),
104 QXL_MODE_EX(1366, 768),
105 QXL_MODE_EX(1400, 1050),
106 QXL_MODE_EX(1440, 900),
107 QXL_MODE_EX(1600, 900),
108 QXL_MODE_EX(1600, 1200),
109 QXL_MODE_EX(1680, 1050),
110 QXL_MODE_EX(1920, 1080),
111 /* these modes need more than 8 MB video memory */
112 QXL_MODE_EX(1920, 1200),
113 QXL_MODE_EX(1920, 1440),
114 QXL_MODE_EX(2000, 2000),
115 QXL_MODE_EX(2048, 1536),
116 QXL_MODE_EX(2048, 2048),
117 QXL_MODE_EX(2560, 1440),
118 QXL_MODE_EX(2560, 1600),
119 /* these modes need more than 16 MB video memory */
120 QXL_MODE_EX(2560, 2048),
121 QXL_MODE_EX(2800, 2100),
122 QXL_MODE_EX(3200, 2400),
123 /* these modes need more than 32 MB video memory */
124 QXL_MODE_EX(3840, 2160), /* 4k mainstream */
125 QXL_MODE_EX(4096, 2160), /* 4k */
126 /* these modes need more than 64 MB video memory */
127 QXL_MODE_EX(7680, 4320), /* 8k mainstream */
128 /* these modes need more than 128 MB video memory */
129 QXL_MODE_EX(8192, 4320), /* 8k */
130 };
131
132 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
133 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
134 static void qxl_reset_memslots(PCIQXLDevice *d);
135 static void qxl_reset_surfaces(PCIQXLDevice *d);
136 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
137
138 static void qxl_hw_update(void *opaque);
139
140 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
141 {
142 trace_qxl_set_guest_bug(qxl->id);
143 qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
144 qxl->guest_bug = 1;
145 if (qxl->guestdebug) {
146 va_list ap;
147 va_start(ap, msg);
148 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
149 vfprintf(stderr, msg, ap);
150 fprintf(stderr, "\n");
151 va_end(ap);
152 }
153 }
154
155 static void qxl_clear_guest_bug(PCIQXLDevice *qxl)
156 {
157 qxl->guest_bug = 0;
158 }
159
160 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
161 struct QXLRect *area, struct QXLRect *dirty_rects,
162 uint32_t num_dirty_rects,
163 uint32_t clear_dirty_region,
164 qxl_async_io async, struct QXLCookie *cookie)
165 {
166 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
167 area->top, area->bottom);
168 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
169 clear_dirty_region);
170 if (async == QXL_SYNC) {
171 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area,
172 dirty_rects, num_dirty_rects, clear_dirty_region);
173 } else {
174 assert(cookie != NULL);
175 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
176 clear_dirty_region, (uintptr_t)cookie);
177 }
178 }
179
180 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
181 uint32_t id)
182 {
183 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
184 qemu_mutex_lock(&qxl->track_lock);
185 qxl->guest_surfaces.cmds[id] = 0;
186 qxl->guest_surfaces.count--;
187 qemu_mutex_unlock(&qxl->track_lock);
188 }
189
190 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
191 qxl_async_io async)
192 {
193 QXLCookie *cookie;
194
195 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
196 if (async) {
197 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
198 QXL_IO_DESTROY_SURFACE_ASYNC);
199 cookie->u.surface_id = id;
200 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
201 } else {
202 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id);
203 qxl_spice_destroy_surface_wait_complete(qxl, id);
204 }
205 }
206
207 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
208 {
209 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
210 qxl->num_free_res);
211 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
212 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
213 QXL_IO_FLUSH_SURFACES_ASYNC));
214 }
215
216 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
217 uint32_t count)
218 {
219 trace_qxl_spice_loadvm_commands(qxl->id, ext, count);
220 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count);
221 }
222
223 void qxl_spice_oom(PCIQXLDevice *qxl)
224 {
225 trace_qxl_spice_oom(qxl->id);
226 spice_qxl_oom(&qxl->ssd.qxl);
227 }
228
229 void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
230 {
231 trace_qxl_spice_reset_memslots(qxl->id);
232 spice_qxl_reset_memslots(&qxl->ssd.qxl);
233 }
234
235 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
236 {
237 trace_qxl_spice_destroy_surfaces_complete(qxl->id);
238 qemu_mutex_lock(&qxl->track_lock);
239 memset(qxl->guest_surfaces.cmds, 0,
240 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces);
241 qxl->guest_surfaces.count = 0;
242 qemu_mutex_unlock(&qxl->track_lock);
243 }
244
245 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
246 {
247 trace_qxl_spice_destroy_surfaces(qxl->id, async);
248 if (async) {
249 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
250 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
251 QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
252 } else {
253 spice_qxl_destroy_surfaces(&qxl->ssd.qxl);
254 qxl_spice_destroy_surfaces_complete(qxl);
255 }
256 }
257
258 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
259 {
260 trace_qxl_spice_monitors_config(qxl->id);
261 if (replay) {
262 /*
263 * don't use QXL_COOKIE_TYPE_IO:
264 * - we are not running yet (post_load), we will assert
265 * in send_events
266 * - this is not a guest io, but a reply, so async_io isn't set.
267 */
268 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
269 qxl->guest_monitors_config,
270 MEMSLOT_GROUP_GUEST,
271 (uintptr_t)qxl_cookie_new(
272 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
273 0));
274 } else {
275 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
276 if (qxl->max_outputs) {
277 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs);
278 }
279 #endif
280 qxl->guest_monitors_config = qxl->ram->monitors_config;
281 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
282 qxl->ram->monitors_config,
283 MEMSLOT_GROUP_GUEST,
284 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
285 QXL_IO_MONITORS_CONFIG_ASYNC));
286 }
287 }
288
289 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
290 {
291 trace_qxl_spice_reset_image_cache(qxl->id);
292 spice_qxl_reset_image_cache(&qxl->ssd.qxl);
293 }
294
295 void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
296 {
297 trace_qxl_spice_reset_cursor(qxl->id);
298 spice_qxl_reset_cursor(&qxl->ssd.qxl);
299 qemu_mutex_lock(&qxl->track_lock);
300 qxl->guest_cursor = 0;
301 qemu_mutex_unlock(&qxl->track_lock);
302 if (qxl->ssd.cursor) {
303 cursor_put(qxl->ssd.cursor);
304 }
305 qxl->ssd.cursor = cursor_builtin_hidden();
306 }
307
308 static ram_addr_t qxl_rom_size(void)
309 {
310 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes))
311 #define QXL_ROM_SZ 8192
312
313 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ);
314 return QXL_ROM_SZ;
315 }
316
317 static void init_qxl_rom(PCIQXLDevice *d)
318 {
319 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
320 QXLModes *modes = (QXLModes *)(rom + 1);
321 uint32_t ram_header_size;
322 uint32_t surface0_area_size;
323 uint32_t num_pages;
324 uint32_t fb;
325 int i, n;
326
327 memset(rom, 0, d->rom_size);
328
329 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
330 rom->id = cpu_to_le32(d->id);
331 rom->log_level = cpu_to_le32(d->guestdebug);
332 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
333
334 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
335 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
336 rom->slots_start = 1;
337 rom->slots_end = NUM_MEMSLOTS - 1;
338 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces);
339
340 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
341 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
342 if (fb > d->vgamem_size) {
343 continue;
344 }
345 modes->modes[n].id = cpu_to_le32(i);
346 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res);
347 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res);
348 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits);
349 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride);
350 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
351 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
352 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation);
353 n++;
354 }
355 modes->n_modes = cpu_to_le32(n);
356
357 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
358 surface0_area_size = ALIGN(d->vgamem_size, 4096);
359 num_pages = d->vga.vram_size;
360 num_pages -= ram_header_size;
361 num_pages -= surface0_area_size;
362 num_pages = num_pages / QXL_PAGE_SIZE;
363
364 assert(ram_header_size + surface0_area_size <= d->vga.vram_size);
365
366 rom->draw_area_offset = cpu_to_le32(0);
367 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
368 rom->pages_offset = cpu_to_le32(surface0_area_size);
369 rom->num_pages = cpu_to_le32(num_pages);
370 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
371
372 d->shadow_rom = *rom;
373 d->rom = rom;
374 d->modes = modes;
375 }
376
377 static void init_qxl_ram(PCIQXLDevice *d)
378 {
379 uint8_t *buf;
380 uint64_t *item;
381
382 buf = d->vga.vram_ptr;
383 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
384 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
385 d->ram->int_pending = cpu_to_le32(0);
386 d->ram->int_mask = cpu_to_le32(0);
387 d->ram->update_surface = 0;
388 d->ram->monitors_config = 0;
389 SPICE_RING_INIT(&d->ram->cmd_ring);
390 SPICE_RING_INIT(&d->ram->cursor_ring);
391 SPICE_RING_INIT(&d->ram->release_ring);
392 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item);
393 assert(item);
394 *item = 0;
395 qxl_ring_set_dirty(d);
396 }
397
398 /* can be called from spice server thread context */
399 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
400 {
401 memory_region_set_dirty(mr, addr, end - addr);
402 }
403
404 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
405 {
406 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
407 }
408
409 /* called from spice server thread context only */
410 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
411 {
412 void *base = qxl->vga.vram_ptr;
413 intptr_t offset;
414
415 offset = ptr - base;
416 assert(offset < qxl->vga.vram_size);
417 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3);
418 }
419
420 /* can be called from spice server thread context */
421 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
422 {
423 ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
424 ram_addr_t end = qxl->vga.vram_size;
425 qxl_set_dirty(&qxl->vga.vram, addr, end);
426 }
427
428 /*
429 * keep track of some command state, for savevm/loadvm.
430 * called from spice server thread context only
431 */
432 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
433 {
434 switch (le32_to_cpu(ext->cmd.type)) {
435 case QXL_CMD_SURFACE:
436 {
437 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
438
439 if (!cmd) {
440 return 1;
441 }
442 uint32_t id = le32_to_cpu(cmd->surface_id);
443
444 if (id >= qxl->ssd.num_surfaces) {
445 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
446 qxl->ssd.num_surfaces);
447 return 1;
448 }
449 if (cmd->type == QXL_SURFACE_CMD_CREATE &&
450 (cmd->u.surface_create.stride & 0x03) != 0) {
451 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
452 cmd->u.surface_create.stride);
453 return 1;
454 }
455 qemu_mutex_lock(&qxl->track_lock);
456 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
457 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
458 qxl->guest_surfaces.count++;
459 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
460 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
461 }
462 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
463 qxl->guest_surfaces.cmds[id] = 0;
464 qxl->guest_surfaces.count--;
465 }
466 qemu_mutex_unlock(&qxl->track_lock);
467 break;
468 }
469 case QXL_CMD_CURSOR:
470 {
471 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
472
473 if (!cmd) {
474 return 1;
475 }
476 if (cmd->type == QXL_CURSOR_SET) {
477 qemu_mutex_lock(&qxl->track_lock);
478 qxl->guest_cursor = ext->cmd.data;
479 qemu_mutex_unlock(&qxl->track_lock);
480 }
481 if (cmd->type == QXL_CURSOR_HIDE) {
482 qemu_mutex_lock(&qxl->track_lock);
483 qxl->guest_cursor = 0;
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 #if SPICE_NEEDS_SET_MM_TIME
513 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
514 {
515 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
516
517 if (!qemu_spice_display_is_running(&qxl->ssd)) {
518 return;
519 }
520
521 trace_qxl_interface_set_mm_time(qxl->id, mm_time);
522 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
523 qxl->rom->mm_clock = cpu_to_le32(mm_time);
524 qxl_rom_set_dirty(qxl);
525 }
526 #endif
527
528 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
529 {
530 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
531
532 trace_qxl_interface_get_init_info(qxl->id);
533 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
534 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
535 info->num_memslots = NUM_MEMSLOTS;
536 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
537 info->internal_groupslot_id = 0;
538 info->qxl_ram_size =
539 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS;
540 info->n_surfaces = qxl->ssd.num_surfaces;
541 }
542
543 static const char *qxl_mode_to_string(int mode)
544 {
545 switch (mode) {
546 case QXL_MODE_COMPAT:
547 return "compat";
548 case QXL_MODE_NATIVE:
549 return "native";
550 case QXL_MODE_UNDEFINED:
551 return "undefined";
552 case QXL_MODE_VGA:
553 return "vga";
554 }
555 return "INVALID";
556 }
557
558 static const char *io_port_to_string(uint32_t io_port)
559 {
560 if (io_port >= QXL_IO_RANGE_SIZE) {
561 return "out of range";
562 }
563 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
564 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
565 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
566 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
567 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
568 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
569 [QXL_IO_RESET] = "QXL_IO_RESET",
570 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
571 [QXL_IO_LOG] = "QXL_IO_LOG",
572 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
573 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
574 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
575 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
576 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
577 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
578 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
579 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
580 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
581 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
582 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
583 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
584 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
585 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
586 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
587 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
588 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
589 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
590 };
591 return io_port_to_string[io_port];
592 }
593
594 /* called from spice server thread context only */
595 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
596 {
597 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
598 SimpleSpiceUpdate *update;
599 QXLCommandRing *ring;
600 QXLCommand *cmd;
601 int notify, ret;
602
603 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
604
605 switch (qxl->mode) {
606 case QXL_MODE_VGA:
607 ret = false;
608 qemu_mutex_lock(&qxl->ssd.lock);
609 update = QTAILQ_FIRST(&qxl->ssd.updates);
610 if (update != NULL) {
611 QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
612 *ext = update->ext;
613 ret = true;
614 }
615 qemu_mutex_unlock(&qxl->ssd.lock);
616 if (ret) {
617 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
618 qxl_log_command(qxl, "vga", ext);
619 }
620 return ret;
621 case QXL_MODE_COMPAT:
622 case QXL_MODE_NATIVE:
623 case QXL_MODE_UNDEFINED:
624 ring = &qxl->ram->cmd_ring;
625 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
626 return false;
627 }
628 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
629 if (!cmd) {
630 return false;
631 }
632 ext->cmd = *cmd;
633 ext->group_id = MEMSLOT_GROUP_GUEST;
634 ext->flags = qxl->cmdflags;
635 SPICE_RING_POP(ring, notify);
636 qxl_ring_set_dirty(qxl);
637 if (notify) {
638 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
639 }
640 qxl->guest_primary.commands++;
641 qxl_track_command(qxl, ext);
642 qxl_log_command(qxl, "cmd", ext);
643 {
644 /*
645 * Windows 8 drivers place qxl commands in the vram
646 * (instead of the ram) bar. We can't live migrate such a
647 * guest, so add a migration blocker in case we detect
648 * this, to avoid triggering the assert in pre_save().
649 *
650 * https://cgit.freedesktop.org/spice/win32/qxl-wddm-dod/commit/?id=f6e099db39e7d0787f294d5fd0dce328b5210faa
651 */
652 void *msg = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
653 if (msg != NULL && (
654 msg < (void *)qxl->vga.vram_ptr ||
655 msg > ((void *)qxl->vga.vram_ptr + qxl->vga.vram_size))) {
656 if (!qxl->migration_blocker) {
657 Error *local_err = NULL;
658 error_setg(&qxl->migration_blocker,
659 "qxl: guest bug: command not in ram bar");
660 migrate_add_blocker(qxl->migration_blocker, &local_err);
661 if (local_err) {
662 error_report_err(local_err);
663 }
664 }
665 }
666 }
667 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
668 return true;
669 default:
670 return false;
671 }
672 }
673
674 /* called from spice server thread context only */
675 static int interface_req_cmd_notification(QXLInstance *sin)
676 {
677 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
678 int wait = 1;
679
680 trace_qxl_ring_command_req_notification(qxl->id);
681 switch (qxl->mode) {
682 case QXL_MODE_COMPAT:
683 case QXL_MODE_NATIVE:
684 case QXL_MODE_UNDEFINED:
685 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
686 qxl_ring_set_dirty(qxl);
687 break;
688 default:
689 /* nothing */
690 break;
691 }
692 return wait;
693 }
694
695 /* called from spice server thread context only */
696 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
697 {
698 QXLReleaseRing *ring = &d->ram->release_ring;
699 uint64_t *item;
700 int notify;
701
702 #define QXL_FREE_BUNCH_SIZE 32
703
704 if (ring->prod - ring->cons + 1 == ring->num_items) {
705 /* ring full -- can't push */
706 return;
707 }
708 if (!flush && d->oom_running) {
709 /* collect everything from oom handler before pushing */
710 return;
711 }
712 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
713 /* collect a bit more before pushing */
714 return;
715 }
716
717 SPICE_RING_PUSH(ring, notify);
718 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
719 d->guest_surfaces.count, d->num_free_res,
720 d->last_release, notify ? "yes" : "no");
721 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
722 ring->num_items, ring->prod, ring->cons);
723 if (notify) {
724 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
725 }
726 SPICE_RING_PROD_ITEM(d, ring, item);
727 if (!item) {
728 return;
729 }
730 *item = 0;
731 d->num_free_res = 0;
732 d->last_release = NULL;
733 qxl_ring_set_dirty(d);
734 }
735
736 /* called from spice server thread context only */
737 static void interface_release_resource(QXLInstance *sin,
738 QXLReleaseInfoExt ext)
739 {
740 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
741 QXLReleaseRing *ring;
742 uint64_t *item, id;
743
744 if (ext.group_id == MEMSLOT_GROUP_HOST) {
745 /* host group -> vga mode update request */
746 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
747 SimpleSpiceUpdate *update;
748 g_assert(cmdext->cmd.type == QXL_CMD_DRAW);
749 update = container_of(cmdext, SimpleSpiceUpdate, ext);
750 qemu_spice_destroy_update(&qxl->ssd, update);
751 return;
752 }
753
754 /*
755 * ext->info points into guest-visible memory
756 * pci bar 0, $command.release_info
757 */
758 ring = &qxl->ram->release_ring;
759 SPICE_RING_PROD_ITEM(qxl, ring, item);
760 if (!item) {
761 return;
762 }
763 if (*item == 0) {
764 /* stick head into the ring */
765 id = ext.info->id;
766 ext.info->next = 0;
767 qxl_ram_set_dirty(qxl, &ext.info->next);
768 *item = id;
769 qxl_ring_set_dirty(qxl);
770 } else {
771 /* append item to the list */
772 qxl->last_release->next = ext.info->id;
773 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
774 ext.info->next = 0;
775 qxl_ram_set_dirty(qxl, &ext.info->next);
776 }
777 qxl->last_release = ext.info;
778 qxl->num_free_res++;
779 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
780 qxl_push_free_res(qxl, 0);
781 }
782
783 /* called from spice server thread context only */
784 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
785 {
786 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
787 QXLCursorRing *ring;
788 QXLCommand *cmd;
789 int notify;
790
791 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
792
793 switch (qxl->mode) {
794 case QXL_MODE_COMPAT:
795 case QXL_MODE_NATIVE:
796 case QXL_MODE_UNDEFINED:
797 ring = &qxl->ram->cursor_ring;
798 if (SPICE_RING_IS_EMPTY(ring)) {
799 return false;
800 }
801 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
802 if (!cmd) {
803 return false;
804 }
805 ext->cmd = *cmd;
806 ext->group_id = MEMSLOT_GROUP_GUEST;
807 ext->flags = qxl->cmdflags;
808 SPICE_RING_POP(ring, notify);
809 qxl_ring_set_dirty(qxl);
810 if (notify) {
811 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
812 }
813 qxl->guest_primary.commands++;
814 qxl_track_command(qxl, ext);
815 qxl_log_command(qxl, "csr", ext);
816 if (qxl->id == 0) {
817 qxl_render_cursor(qxl, ext);
818 }
819 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
820 return true;
821 default:
822 return false;
823 }
824 }
825
826 /* called from spice server thread context only */
827 static int interface_req_cursor_notification(QXLInstance *sin)
828 {
829 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
830 int wait = 1;
831
832 trace_qxl_ring_cursor_req_notification(qxl->id);
833 switch (qxl->mode) {
834 case QXL_MODE_COMPAT:
835 case QXL_MODE_NATIVE:
836 case QXL_MODE_UNDEFINED:
837 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
838 qxl_ring_set_dirty(qxl);
839 break;
840 default:
841 /* nothing */
842 break;
843 }
844 return wait;
845 }
846
847 /* called from spice server thread context */
848 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
849 {
850 /*
851 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
852 * use by xf86-video-qxl and is defined out in the qxl windows driver.
853 * Probably was at some earlier version that is prior to git start (2009),
854 * and is still guest trigerrable.
855 */
856 fprintf(stderr, "%s: deprecated\n", __func__);
857 }
858
859 /* called from spice server thread context only */
860 static int interface_flush_resources(QXLInstance *sin)
861 {
862 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
863 int ret;
864
865 ret = qxl->num_free_res;
866 if (ret) {
867 qxl_push_free_res(qxl, 1);
868 }
869 return ret;
870 }
871
872 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
873
874 /* called from spice server thread context only */
875 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
876 {
877 uint32_t current_async;
878
879 qemu_mutex_lock(&qxl->async_lock);
880 current_async = qxl->current_async;
881 qxl->current_async = QXL_UNDEFINED_IO;
882 qemu_mutex_unlock(&qxl->async_lock);
883
884 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
885 if (!cookie) {
886 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
887 return;
888 }
889 if (cookie && current_async != cookie->io) {
890 fprintf(stderr,
891 "qxl: %s: error: current_async = %d != %"
892 PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
893 }
894 switch (current_async) {
895 case QXL_IO_MEMSLOT_ADD_ASYNC:
896 case QXL_IO_DESTROY_PRIMARY_ASYNC:
897 case QXL_IO_UPDATE_AREA_ASYNC:
898 case QXL_IO_FLUSH_SURFACES_ASYNC:
899 case QXL_IO_MONITORS_CONFIG_ASYNC:
900 break;
901 case QXL_IO_CREATE_PRIMARY_ASYNC:
902 qxl_create_guest_primary_complete(qxl);
903 break;
904 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
905 qxl_spice_destroy_surfaces_complete(qxl);
906 break;
907 case QXL_IO_DESTROY_SURFACE_ASYNC:
908 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
909 break;
910 default:
911 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
912 current_async);
913 }
914 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
915 }
916
917 /* called from spice server thread context only */
918 static void interface_update_area_complete(QXLInstance *sin,
919 uint32_t surface_id,
920 QXLRect *dirty, uint32_t num_updated_rects)
921 {
922 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
923 int i;
924 int qxl_i;
925
926 qemu_mutex_lock(&qxl->ssd.lock);
927 if (surface_id != 0 || !num_updated_rects ||
928 !qxl->render_update_cookie_num) {
929 qemu_mutex_unlock(&qxl->ssd.lock);
930 return;
931 }
932 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
933 dirty->right, dirty->top, dirty->bottom);
934 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
935 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
936 /*
937 * overflow - treat this as a full update. Not expected to be common.
938 */
939 trace_qxl_interface_update_area_complete_overflow(qxl->id,
940 QXL_NUM_DIRTY_RECTS);
941 qxl->guest_primary.resized = 1;
942 }
943 if (qxl->guest_primary.resized) {
944 /*
945 * Don't bother copying or scheduling the bh since we will flip
946 * the whole area anyway on completion of the update_area async call
947 */
948 qemu_mutex_unlock(&qxl->ssd.lock);
949 return;
950 }
951 qxl_i = qxl->num_dirty_rects;
952 for (i = 0; i < num_updated_rects; i++) {
953 qxl->dirty[qxl_i++] = dirty[i];
954 }
955 qxl->num_dirty_rects += num_updated_rects;
956 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
957 qxl->num_dirty_rects);
958 qemu_bh_schedule(qxl->update_area_bh);
959 qemu_mutex_unlock(&qxl->ssd.lock);
960 }
961
962 /* called from spice server thread context only */
963 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
964 {
965 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
966 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
967
968 switch (cookie->type) {
969 case QXL_COOKIE_TYPE_IO:
970 interface_async_complete_io(qxl, cookie);
971 g_free(cookie);
972 break;
973 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
974 qxl_render_update_area_done(qxl, cookie);
975 break;
976 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
977 break;
978 default:
979 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
980 __func__, cookie->type);
981 g_free(cookie);
982 }
983 }
984
985 /* called from spice server thread context only */
986 static void interface_set_client_capabilities(QXLInstance *sin,
987 uint8_t client_present,
988 uint8_t caps[58])
989 {
990 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
991
992 if (qxl->revision < 4) {
993 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
994 qxl->revision);
995 return;
996 }
997
998 if (runstate_check(RUN_STATE_INMIGRATE) ||
999 runstate_check(RUN_STATE_POSTMIGRATE)) {
1000 return;
1001 }
1002
1003 qxl->shadow_rom.client_present = client_present;
1004 memcpy(qxl->shadow_rom.client_capabilities, caps,
1005 sizeof(qxl->shadow_rom.client_capabilities));
1006 qxl->rom->client_present = client_present;
1007 memcpy(qxl->rom->client_capabilities, caps,
1008 sizeof(qxl->rom->client_capabilities));
1009 qxl_rom_set_dirty(qxl);
1010
1011 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
1012 }
1013
1014 static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
1015 {
1016 /*
1017 * zlib xors the seed with 0xffffffff, and xors the result
1018 * again with 0xffffffff; Both are not done with linux's crc32,
1019 * which we want to be compatible with, so undo that.
1020 */
1021 return crc32(0xffffffff, p, len) ^ 0xffffffff;
1022 }
1023
1024 static bool qxl_rom_monitors_config_changed(QXLRom *rom,
1025 VDAgentMonitorsConfig *monitors_config,
1026 unsigned int max_outputs)
1027 {
1028 int i;
1029 unsigned int monitors_count;
1030
1031 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs);
1032
1033 if (rom->client_monitors_config.count != monitors_count) {
1034 return true;
1035 }
1036
1037 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1038 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1039 QXLURect *rect = &rom->client_monitors_config.heads[i];
1040 /* monitor->depth ignored */
1041 if ((rect->left != monitor->x) ||
1042 (rect->top != monitor->y) ||
1043 (rect->right != monitor->x + monitor->width) ||
1044 (rect->bottom != monitor->y + monitor->height)) {
1045 return true;
1046 }
1047 }
1048
1049 return false;
1050 }
1051
1052 /* called from main context only */
1053 static int interface_client_monitors_config(QXLInstance *sin,
1054 VDAgentMonitorsConfig *monitors_config)
1055 {
1056 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1057 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
1058 int i;
1059 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads);
1060 bool config_changed = false;
1061
1062 if (qxl->revision < 4) {
1063 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
1064 qxl->revision);
1065 return 0;
1066 }
1067 /*
1068 * Older windows drivers set int_mask to 0 when their ISR is called,
1069 * then later set it to ~0. So it doesn't relate to the actual interrupts
1070 * handled. However, they are old, so clearly they don't support this
1071 * interrupt
1072 */
1073 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
1074 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
1075 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
1076 qxl->ram->int_mask,
1077 monitors_config);
1078 return 0;
1079 }
1080 if (!monitors_config) {
1081 return 1;
1082 }
1083
1084 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
1085 /* limit number of outputs based on setting limit */
1086 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) {
1087 max_outputs = qxl->max_outputs;
1088 }
1089 #endif
1090
1091 config_changed = qxl_rom_monitors_config_changed(rom,
1092 monitors_config,
1093 max_outputs);
1094
1095 memset(&rom->client_monitors_config, 0,
1096 sizeof(rom->client_monitors_config));
1097 rom->client_monitors_config.count = monitors_config->num_of_monitors;
1098 /* monitors_config->flags ignored */
1099 if (rom->client_monitors_config.count >= max_outputs) {
1100 trace_qxl_client_monitors_config_capped(qxl->id,
1101 monitors_config->num_of_monitors,
1102 max_outputs);
1103 rom->client_monitors_config.count = max_outputs;
1104 }
1105 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1106 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1107 QXLURect *rect = &rom->client_monitors_config.heads[i];
1108 /* monitor->depth ignored */
1109 rect->left = monitor->x;
1110 rect->top = monitor->y;
1111 rect->right = monitor->x + monitor->width;
1112 rect->bottom = monitor->y + monitor->height;
1113 }
1114 rom->client_monitors_config_crc = qxl_crc32(
1115 (const uint8_t *)&rom->client_monitors_config,
1116 sizeof(rom->client_monitors_config));
1117 trace_qxl_client_monitors_config_crc(qxl->id,
1118 sizeof(rom->client_monitors_config),
1119 rom->client_monitors_config_crc);
1120
1121 trace_qxl_interrupt_client_monitors_config(qxl->id,
1122 rom->client_monitors_config.count,
1123 rom->client_monitors_config.heads);
1124 if (config_changed) {
1125 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1126 }
1127 return 1;
1128 }
1129
1130 static const QXLInterface qxl_interface = {
1131 .base.type = SPICE_INTERFACE_QXL,
1132 .base.description = "qxl gpu",
1133 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
1134 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
1135
1136 .attache_worker = interface_attach_worker,
1137 .set_compression_level = interface_set_compression_level,
1138 #if SPICE_NEEDS_SET_MM_TIME
1139 .set_mm_time = interface_set_mm_time,
1140 #endif
1141 .get_init_info = interface_get_init_info,
1142
1143 /* the callbacks below are called from spice server thread context */
1144 .get_command = interface_get_command,
1145 .req_cmd_notification = interface_req_cmd_notification,
1146 .release_resource = interface_release_resource,
1147 .get_cursor_command = interface_get_cursor_command,
1148 .req_cursor_notification = interface_req_cursor_notification,
1149 .notify_update = interface_notify_update,
1150 .flush_resources = interface_flush_resources,
1151 .async_complete = interface_async_complete,
1152 .update_area_complete = interface_update_area_complete,
1153 .set_client_capabilities = interface_set_client_capabilities,
1154 .client_monitors_config = interface_client_monitors_config,
1155 };
1156
1157 static const GraphicHwOps qxl_ops = {
1158 .gfx_update = qxl_hw_update,
1159 };
1160
1161 static void qxl_enter_vga_mode(PCIQXLDevice *d)
1162 {
1163 if (d->mode == QXL_MODE_VGA) {
1164 return;
1165 }
1166 trace_qxl_enter_vga_mode(d->id);
1167 #if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */
1168 spice_qxl_driver_unload(&d->ssd.qxl);
1169 #endif
1170 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
1171 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
1172 qemu_spice_create_host_primary(&d->ssd);
1173 d->mode = QXL_MODE_VGA;
1174 qemu_spice_display_switch(&d->ssd, d->ssd.ds);
1175 vga_dirty_log_start(&d->vga);
1176 graphic_hw_update(d->vga.con);
1177 }
1178
1179 static void qxl_exit_vga_mode(PCIQXLDevice *d)
1180 {
1181 if (d->mode != QXL_MODE_VGA) {
1182 return;
1183 }
1184 trace_qxl_exit_vga_mode(d->id);
1185 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d);
1186 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
1187 vga_dirty_log_stop(&d->vga);
1188 qxl_destroy_primary(d, QXL_SYNC);
1189 }
1190
1191 static void qxl_update_irq(PCIQXLDevice *d)
1192 {
1193 uint32_t pending = le32_to_cpu(d->ram->int_pending);
1194 uint32_t mask = le32_to_cpu(d->ram->int_mask);
1195 int level = !!(pending & mask);
1196 pci_set_irq(&d->pci, level);
1197 qxl_ring_set_dirty(d);
1198 }
1199
1200 static void qxl_check_state(PCIQXLDevice *d)
1201 {
1202 QXLRam *ram = d->ram;
1203 int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1204
1205 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1206 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1207 }
1208
1209 static void qxl_reset_state(PCIQXLDevice *d)
1210 {
1211 QXLRom *rom = d->rom;
1212
1213 qxl_check_state(d);
1214 d->shadow_rom.update_id = cpu_to_le32(0);
1215 *rom = d->shadow_rom;
1216 qxl_rom_set_dirty(d);
1217 init_qxl_ram(d);
1218 d->num_free_res = 0;
1219 d->last_release = NULL;
1220 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1221 qxl_update_irq(d);
1222 }
1223
1224 static void qxl_soft_reset(PCIQXLDevice *d)
1225 {
1226 trace_qxl_soft_reset(d->id);
1227 qxl_check_state(d);
1228 qxl_clear_guest_bug(d);
1229 qemu_mutex_lock(&d->async_lock);
1230 d->current_async = QXL_UNDEFINED_IO;
1231 qemu_mutex_unlock(&d->async_lock);
1232
1233 if (d->id == 0) {
1234 qxl_enter_vga_mode(d);
1235 } else {
1236 d->mode = QXL_MODE_UNDEFINED;
1237 }
1238 }
1239
1240 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1241 {
1242 bool startstop = qemu_spice_display_is_running(&d->ssd);
1243
1244 trace_qxl_hard_reset(d->id, loadvm);
1245
1246 if (startstop) {
1247 qemu_spice_display_stop();
1248 }
1249
1250 qxl_spice_reset_cursor(d);
1251 qxl_spice_reset_image_cache(d);
1252 qxl_reset_surfaces(d);
1253 qxl_reset_memslots(d);
1254
1255 /* pre loadvm reset must not touch QXLRam. This lives in
1256 * device memory, is migrated together with RAM and thus
1257 * already loaded at this point */
1258 if (!loadvm) {
1259 qxl_reset_state(d);
1260 }
1261 qemu_spice_create_host_memslot(&d->ssd);
1262 qxl_soft_reset(d);
1263
1264 if (d->migration_blocker) {
1265 migrate_del_blocker(d->migration_blocker);
1266 error_free(d->migration_blocker);
1267 d->migration_blocker = NULL;
1268 }
1269
1270 if (startstop) {
1271 qemu_spice_display_start();
1272 }
1273 }
1274
1275 static void qxl_reset_handler(DeviceState *dev)
1276 {
1277 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev));
1278
1279 qxl_hard_reset(d, 0);
1280 }
1281
1282 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1283 {
1284 VGACommonState *vga = opaque;
1285 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1286
1287 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1288 if (qxl->mode != QXL_MODE_VGA) {
1289 qxl_destroy_primary(qxl, QXL_SYNC);
1290 qxl_soft_reset(qxl);
1291 }
1292 vga_ioport_write(opaque, addr, val);
1293 }
1294
1295 static const MemoryRegionPortio qxl_vga_portio_list[] = {
1296 { 0x04, 2, 1, .read = vga_ioport_read,
1297 .write = qxl_vga_ioport_write }, /* 3b4 */
1298 { 0x0a, 1, 1, .read = vga_ioport_read,
1299 .write = qxl_vga_ioport_write }, /* 3ba */
1300 { 0x10, 16, 1, .read = vga_ioport_read,
1301 .write = qxl_vga_ioport_write }, /* 3c0 */
1302 { 0x24, 2, 1, .read = vga_ioport_read,
1303 .write = qxl_vga_ioport_write }, /* 3d4 */
1304 { 0x2a, 1, 1, .read = vga_ioport_read,
1305 .write = qxl_vga_ioport_write }, /* 3da */
1306 PORTIO_END_OF_LIST(),
1307 };
1308
1309 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1310 qxl_async_io async)
1311 {
1312 static const int regions[] = {
1313 QXL_RAM_RANGE_INDEX,
1314 QXL_VRAM_RANGE_INDEX,
1315 QXL_VRAM64_RANGE_INDEX,
1316 };
1317 uint64_t guest_start;
1318 uint64_t guest_end;
1319 int pci_region;
1320 pcibus_t pci_start;
1321 pcibus_t pci_end;
1322 MemoryRegion *mr;
1323 intptr_t virt_start;
1324 QXLDevMemSlot memslot;
1325 int i;
1326
1327 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1328 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1329
1330 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1331
1332 if (slot_id >= NUM_MEMSLOTS) {
1333 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1334 slot_id, NUM_MEMSLOTS);
1335 return 1;
1336 }
1337 if (guest_start > guest_end) {
1338 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1339 " > 0x%" PRIx64, __func__, guest_start, guest_end);
1340 return 1;
1341 }
1342
1343 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1344 pci_region = regions[i];
1345 pci_start = d->pci.io_regions[pci_region].addr;
1346 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1347 /* mapped? */
1348 if (pci_start == -1) {
1349 continue;
1350 }
1351 /* start address in range ? */
1352 if (guest_start < pci_start || guest_start > pci_end) {
1353 continue;
1354 }
1355 /* end address in range ? */
1356 if (guest_end > pci_end) {
1357 continue;
1358 }
1359 /* passed */
1360 break;
1361 }
1362 if (i == ARRAY_SIZE(regions)) {
1363 qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1364 return 1;
1365 }
1366
1367 switch (pci_region) {
1368 case QXL_RAM_RANGE_INDEX:
1369 mr = &d->vga.vram;
1370 break;
1371 case QXL_VRAM_RANGE_INDEX:
1372 case 4 /* vram 64bit */:
1373 mr = &d->vram_bar;
1374 break;
1375 default:
1376 /* should not happen */
1377 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1378 return 1;
1379 }
1380
1381 virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
1382 memslot.slot_id = slot_id;
1383 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1384 memslot.virt_start = virt_start + (guest_start - pci_start);
1385 memslot.virt_end = virt_start + (guest_end - pci_start);
1386 memslot.addr_delta = memslot.virt_start - delta;
1387 memslot.generation = d->rom->slot_generation = 0;
1388 qxl_rom_set_dirty(d);
1389
1390 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1391 d->guest_slots[slot_id].mr = mr;
1392 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start;
1393 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1394 d->guest_slots[slot_id].delta = delta;
1395 d->guest_slots[slot_id].active = 1;
1396 return 0;
1397 }
1398
1399 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1400 {
1401 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1402 d->guest_slots[slot_id].active = 0;
1403 }
1404
1405 static void qxl_reset_memslots(PCIQXLDevice *d)
1406 {
1407 qxl_spice_reset_memslots(d);
1408 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1409 }
1410
1411 static void qxl_reset_surfaces(PCIQXLDevice *d)
1412 {
1413 trace_qxl_reset_surfaces(d->id);
1414 d->mode = QXL_MODE_UNDEFINED;
1415 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1416 }
1417
1418 /* can be also called from spice server thread context */
1419 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1420 uint32_t *s, uint64_t *o)
1421 {
1422 uint64_t phys = le64_to_cpu(pqxl);
1423 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1424 uint64_t offset = phys & 0xffffffffffff;
1425
1426 if (slot >= NUM_MEMSLOTS) {
1427 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1428 NUM_MEMSLOTS);
1429 return false;
1430 }
1431 if (!qxl->guest_slots[slot].active) {
1432 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1433 return false;
1434 }
1435 if (offset < qxl->guest_slots[slot].delta) {
1436 qxl_set_guest_bug(qxl,
1437 "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1438 slot, offset, qxl->guest_slots[slot].delta);
1439 return false;
1440 }
1441 offset -= qxl->guest_slots[slot].delta;
1442 if (offset > qxl->guest_slots[slot].size) {
1443 qxl_set_guest_bug(qxl,
1444 "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1445 slot, offset, qxl->guest_slots[slot].size);
1446 return false;
1447 }
1448
1449 *s = slot;
1450 *o = offset;
1451 return true;
1452 }
1453
1454 /* can be also called from spice server thread context */
1455 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1456 {
1457 uint64_t offset;
1458 uint32_t slot;
1459 void *ptr;
1460
1461 switch (group_id) {
1462 case MEMSLOT_GROUP_HOST:
1463 offset = le64_to_cpu(pqxl) & 0xffffffffffff;
1464 return (void *)(intptr_t)offset;
1465 case MEMSLOT_GROUP_GUEST:
1466 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) {
1467 return NULL;
1468 }
1469 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr);
1470 ptr += qxl->guest_slots[slot].offset;
1471 ptr += offset;
1472 return ptr;
1473 }
1474 return NULL;
1475 }
1476
1477 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1478 {
1479 /* for local rendering */
1480 qxl_render_resize(qxl);
1481 }
1482
1483 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1484 qxl_async_io async)
1485 {
1486 QXLDevSurfaceCreate surface;
1487 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1488 uint32_t requested_height = le32_to_cpu(sc->height);
1489 int requested_stride = le32_to_cpu(sc->stride);
1490
1491 if (requested_stride == INT32_MIN ||
1492 abs(requested_stride) * (uint64_t)requested_height
1493 > qxl->vgamem_size) {
1494 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer"
1495 " stride %d x height %" PRIu32 " > %" PRIu32,
1496 __func__, requested_stride, requested_height,
1497 qxl->vgamem_size);
1498 return;
1499 }
1500
1501 if (qxl->mode == QXL_MODE_NATIVE) {
1502 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1503 __func__);
1504 }
1505 qxl_exit_vga_mode(qxl);
1506
1507 surface.format = le32_to_cpu(sc->format);
1508 surface.height = le32_to_cpu(sc->height);
1509 surface.mem = le64_to_cpu(sc->mem);
1510 surface.position = le32_to_cpu(sc->position);
1511 surface.stride = le32_to_cpu(sc->stride);
1512 surface.width = le32_to_cpu(sc->width);
1513 surface.type = le32_to_cpu(sc->type);
1514 surface.flags = le32_to_cpu(sc->flags);
1515 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1516 sc->format, sc->position);
1517 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1518 sc->flags);
1519
1520 if ((surface.stride & 0x3) != 0) {
1521 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1522 surface.stride);
1523 return;
1524 }
1525
1526 surface.mouse_mode = true;
1527 surface.group_id = MEMSLOT_GROUP_GUEST;
1528 if (loadvm) {
1529 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1530 }
1531
1532 qxl->mode = QXL_MODE_NATIVE;
1533 qxl->cmdflags = 0;
1534 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1535
1536 if (async == QXL_SYNC) {
1537 qxl_create_guest_primary_complete(qxl);
1538 }
1539 }
1540
1541 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1542 * done (in QXL_SYNC case), 0 otherwise. */
1543 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1544 {
1545 if (d->mode == QXL_MODE_UNDEFINED) {
1546 return 0;
1547 }
1548 trace_qxl_destroy_primary(d->id);
1549 d->mode = QXL_MODE_UNDEFINED;
1550 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1551 qxl_spice_reset_cursor(d);
1552 return 1;
1553 }
1554
1555 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
1556 {
1557 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1558 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1559 QXLMode *mode = d->modes->modes + modenr;
1560 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1561 QXLMemSlot slot = {
1562 .mem_start = start,
1563 .mem_end = end
1564 };
1565
1566 if (modenr >= d->modes->n_modes) {
1567 qxl_set_guest_bug(d, "mode number out of range");
1568 return;
1569 }
1570
1571 QXLSurfaceCreate surface = {
1572 .width = mode->x_res,
1573 .height = mode->y_res,
1574 .stride = -mode->x_res * 4,
1575 .format = SPICE_SURFACE_FMT_32_xRGB,
1576 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1577 .mouse_mode = true,
1578 .mem = devmem + d->shadow_rom.draw_area_offset,
1579 };
1580
1581 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1582 devmem);
1583 if (!loadvm) {
1584 qxl_hard_reset(d, 0);
1585 }
1586
1587 d->guest_slots[0].slot = slot;
1588 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1589
1590 d->guest_primary.surface = surface;
1591 qxl_create_guest_primary(d, 0, QXL_SYNC);
1592
1593 d->mode = QXL_MODE_COMPAT;
1594 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1595 if (mode->bits == 16) {
1596 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1597 }
1598 d->shadow_rom.mode = cpu_to_le32(modenr);
1599 d->rom->mode = cpu_to_le32(modenr);
1600 qxl_rom_set_dirty(d);
1601 }
1602
1603 static void ioport_write(void *opaque, hwaddr addr,
1604 uint64_t val, unsigned size)
1605 {
1606 PCIQXLDevice *d = opaque;
1607 uint32_t io_port = addr;
1608 qxl_async_io async = QXL_SYNC;
1609 uint32_t orig_io_port = io_port;
1610
1611 if (d->guest_bug && io_port != QXL_IO_RESET) {
1612 return;
1613 }
1614
1615 if (d->revision <= QXL_REVISION_STABLE_V10 &&
1616 io_port > QXL_IO_FLUSH_RELEASE) {
1617 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1618 io_port, d->revision);
1619 return;
1620 }
1621
1622 switch (io_port) {
1623 case QXL_IO_RESET:
1624 case QXL_IO_SET_MODE:
1625 case QXL_IO_MEMSLOT_ADD:
1626 case QXL_IO_MEMSLOT_DEL:
1627 case QXL_IO_CREATE_PRIMARY:
1628 case QXL_IO_UPDATE_IRQ:
1629 case QXL_IO_LOG:
1630 case QXL_IO_MEMSLOT_ADD_ASYNC:
1631 case QXL_IO_CREATE_PRIMARY_ASYNC:
1632 break;
1633 default:
1634 if (d->mode != QXL_MODE_VGA) {
1635 break;
1636 }
1637 trace_qxl_io_unexpected_vga_mode(d->id,
1638 addr, val, io_port_to_string(io_port));
1639 /* be nice to buggy guest drivers */
1640 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1641 io_port < QXL_IO_RANGE_SIZE) {
1642 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1643 }
1644 return;
1645 }
1646
1647 /* we change the io_port to avoid ifdeffery in the main switch */
1648 orig_io_port = io_port;
1649 switch (io_port) {
1650 case QXL_IO_UPDATE_AREA_ASYNC:
1651 io_port = QXL_IO_UPDATE_AREA;
1652 goto async_common;
1653 case QXL_IO_MEMSLOT_ADD_ASYNC:
1654 io_port = QXL_IO_MEMSLOT_ADD;
1655 goto async_common;
1656 case QXL_IO_CREATE_PRIMARY_ASYNC:
1657 io_port = QXL_IO_CREATE_PRIMARY;
1658 goto async_common;
1659 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1660 io_port = QXL_IO_DESTROY_PRIMARY;
1661 goto async_common;
1662 case QXL_IO_DESTROY_SURFACE_ASYNC:
1663 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1664 goto async_common;
1665 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1666 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1667 goto async_common;
1668 case QXL_IO_FLUSH_SURFACES_ASYNC:
1669 case QXL_IO_MONITORS_CONFIG_ASYNC:
1670 async_common:
1671 async = QXL_ASYNC;
1672 qemu_mutex_lock(&d->async_lock);
1673 if (d->current_async != QXL_UNDEFINED_IO) {
1674 qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1675 io_port, d->current_async);
1676 qemu_mutex_unlock(&d->async_lock);
1677 return;
1678 }
1679 d->current_async = orig_io_port;
1680 qemu_mutex_unlock(&d->async_lock);
1681 break;
1682 default:
1683 break;
1684 }
1685 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode),
1686 addr, io_port_to_string(addr),
1687 val, size, async);
1688
1689 switch (io_port) {
1690 case QXL_IO_UPDATE_AREA:
1691 {
1692 QXLCookie *cookie = NULL;
1693 QXLRect update = d->ram->update_area;
1694
1695 if (d->ram->update_surface > d->ssd.num_surfaces) {
1696 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1697 d->ram->update_surface);
1698 break;
1699 }
1700 if (update.left >= update.right || update.top >= update.bottom ||
1701 update.left < 0 || update.top < 0) {
1702 qxl_set_guest_bug(d,
1703 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1704 update.left, update.top, update.right, update.bottom);
1705 if (update.left == update.right || update.top == update.bottom) {
1706 /* old drivers may provide empty area, keep going */
1707 qxl_clear_guest_bug(d);
1708 goto cancel_async;
1709 }
1710 break;
1711 }
1712 if (async == QXL_ASYNC) {
1713 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1714 QXL_IO_UPDATE_AREA_ASYNC);
1715 cookie->u.area = update;
1716 }
1717 qxl_spice_update_area(d, d->ram->update_surface,
1718 cookie ? &cookie->u.area : &update,
1719 NULL, 0, 0, async, cookie);
1720 break;
1721 }
1722 case QXL_IO_NOTIFY_CMD:
1723 qemu_spice_wakeup(&d->ssd);
1724 break;
1725 case QXL_IO_NOTIFY_CURSOR:
1726 qemu_spice_wakeup(&d->ssd);
1727 break;
1728 case QXL_IO_UPDATE_IRQ:
1729 qxl_update_irq(d);
1730 break;
1731 case QXL_IO_NOTIFY_OOM:
1732 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1733 break;
1734 }
1735 d->oom_running = 1;
1736 qxl_spice_oom(d);
1737 d->oom_running = 0;
1738 break;
1739 case QXL_IO_SET_MODE:
1740 qxl_set_mode(d, val, 0);
1741 break;
1742 case QXL_IO_LOG:
1743 trace_qxl_io_log(d->id, d->ram->log_buf);
1744 if (d->guestdebug) {
1745 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1746 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf);
1747 }
1748 break;
1749 case QXL_IO_RESET:
1750 qxl_hard_reset(d, 0);
1751 break;
1752 case QXL_IO_MEMSLOT_ADD:
1753 if (val >= NUM_MEMSLOTS) {
1754 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1755 break;
1756 }
1757 if (d->guest_slots[val].active) {
1758 qxl_set_guest_bug(d,
1759 "QXL_IO_MEMSLOT_ADD: memory slot already active");
1760 break;
1761 }
1762 d->guest_slots[val].slot = d->ram->mem_slot;
1763 qxl_add_memslot(d, val, 0, async);
1764 break;
1765 case QXL_IO_MEMSLOT_DEL:
1766 if (val >= NUM_MEMSLOTS) {
1767 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1768 break;
1769 }
1770 qxl_del_memslot(d, val);
1771 break;
1772 case QXL_IO_CREATE_PRIMARY:
1773 if (val != 0) {
1774 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1775 async);
1776 goto cancel_async;
1777 }
1778 d->guest_primary.surface = d->ram->create_surface;
1779 qxl_create_guest_primary(d, 0, async);
1780 break;
1781 case QXL_IO_DESTROY_PRIMARY:
1782 if (val != 0) {
1783 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1784 async);
1785 goto cancel_async;
1786 }
1787 if (!qxl_destroy_primary(d, async)) {
1788 trace_qxl_io_destroy_primary_ignored(d->id,
1789 qxl_mode_to_string(d->mode));
1790 goto cancel_async;
1791 }
1792 break;
1793 case QXL_IO_DESTROY_SURFACE_WAIT:
1794 if (val >= d->ssd.num_surfaces) {
1795 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1796 "%" PRIu64 " >= NUM_SURFACES", async, val);
1797 goto cancel_async;
1798 }
1799 qxl_spice_destroy_surface_wait(d, val, async);
1800 break;
1801 case QXL_IO_FLUSH_RELEASE: {
1802 QXLReleaseRing *ring = &d->ram->release_ring;
1803 if (ring->prod - ring->cons + 1 == ring->num_items) {
1804 fprintf(stderr,
1805 "ERROR: no flush, full release ring [p%d,%dc]\n",
1806 ring->prod, ring->cons);
1807 }
1808 qxl_push_free_res(d, 1 /* flush */);
1809 break;
1810 }
1811 case QXL_IO_FLUSH_SURFACES_ASYNC:
1812 qxl_spice_flush_surfaces_async(d);
1813 break;
1814 case QXL_IO_DESTROY_ALL_SURFACES:
1815 d->mode = QXL_MODE_UNDEFINED;
1816 qxl_spice_destroy_surfaces(d, async);
1817 break;
1818 case QXL_IO_MONITORS_CONFIG_ASYNC:
1819 qxl_spice_monitors_config_async(d, 0);
1820 break;
1821 default:
1822 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1823 }
1824 return;
1825 cancel_async:
1826 if (async) {
1827 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1828 qemu_mutex_lock(&d->async_lock);
1829 d->current_async = QXL_UNDEFINED_IO;
1830 qemu_mutex_unlock(&d->async_lock);
1831 }
1832 }
1833
1834 static uint64_t ioport_read(void *opaque, hwaddr addr,
1835 unsigned size)
1836 {
1837 PCIQXLDevice *qxl = opaque;
1838
1839 trace_qxl_io_read_unexpected(qxl->id);
1840 return 0xff;
1841 }
1842
1843 static const MemoryRegionOps qxl_io_ops = {
1844 .read = ioport_read,
1845 .write = ioport_write,
1846 .valid = {
1847 .min_access_size = 1,
1848 .max_access_size = 1,
1849 },
1850 };
1851
1852 static void qxl_update_irq_bh(void *opaque)
1853 {
1854 PCIQXLDevice *d = opaque;
1855 qxl_update_irq(d);
1856 }
1857
1858 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1859 {
1860 uint32_t old_pending;
1861 uint32_t le_events = cpu_to_le32(events);
1862
1863 trace_qxl_send_events(d->id, events);
1864 if (!qemu_spice_display_is_running(&d->ssd)) {
1865 /* spice-server tracks guest running state and should not do this */
1866 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1867 __func__);
1868 trace_qxl_send_events_vm_stopped(d->id, events);
1869 return;
1870 }
1871 old_pending = atomic_fetch_or(&d->ram->int_pending, le_events);
1872 if ((old_pending & le_events) == le_events) {
1873 return;
1874 }
1875 qemu_bh_schedule(d->update_irq);
1876 }
1877
1878 /* graphics console */
1879
1880 static void qxl_hw_update(void *opaque)
1881 {
1882 PCIQXLDevice *qxl = opaque;
1883
1884 qxl_render_update(qxl);
1885 }
1886
1887 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1888 uint32_t height, int32_t stride)
1889 {
1890 uint64_t offset, size;
1891 uint32_t slot;
1892 bool rc;
1893
1894 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset);
1895 assert(rc == true);
1896 size = (uint64_t)height * abs(stride);
1897 trace_qxl_surfaces_dirty(qxl->id, offset, size);
1898 qxl_set_dirty(qxl->guest_slots[slot].mr,
1899 qxl->guest_slots[slot].offset + offset,
1900 qxl->guest_slots[slot].offset + offset + size);
1901 }
1902
1903 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1904 {
1905 int i;
1906
1907 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1908 return;
1909 }
1910
1911 /* dirty the primary surface */
1912 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem,
1913 qxl->guest_primary.surface.height,
1914 qxl->guest_primary.surface.stride);
1915
1916 /* dirty the off-screen surfaces */
1917 for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1918 QXLSurfaceCmd *cmd;
1919
1920 if (qxl->guest_surfaces.cmds[i] == 0) {
1921 continue;
1922 }
1923
1924 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1925 MEMSLOT_GROUP_GUEST);
1926 assert(cmd);
1927 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1928 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data,
1929 cmd->u.surface_create.height,
1930 cmd->u.surface_create.stride);
1931 }
1932 }
1933
1934 static void qxl_vm_change_state_handler(void *opaque, int running,
1935 RunState state)
1936 {
1937 PCIQXLDevice *qxl = opaque;
1938
1939 if (running) {
1940 /*
1941 * if qxl_send_events was called from spice server context before
1942 * migration ended, qxl_update_irq for these events might not have been
1943 * called
1944 */
1945 qxl_update_irq(qxl);
1946 } else {
1947 /* make sure surfaces are saved before migration */
1948 qxl_dirty_surfaces(qxl);
1949 }
1950 }
1951
1952 /* display change listener */
1953
1954 static void display_update(DisplayChangeListener *dcl,
1955 int x, int y, int w, int h)
1956 {
1957 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
1958
1959 if (qxl->mode == QXL_MODE_VGA) {
1960 qemu_spice_display_update(&qxl->ssd, x, y, w, h);
1961 }
1962 }
1963
1964 static void display_switch(DisplayChangeListener *dcl,
1965 struct DisplaySurface *surface)
1966 {
1967 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
1968
1969 qxl->ssd.ds = surface;
1970 if (qxl->mode == QXL_MODE_VGA) {
1971 qemu_spice_display_switch(&qxl->ssd, surface);
1972 }
1973 }
1974
1975 static void display_refresh(DisplayChangeListener *dcl)
1976 {
1977 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
1978
1979 if (qxl->mode == QXL_MODE_VGA) {
1980 qemu_spice_display_refresh(&qxl->ssd);
1981 }
1982 }
1983
1984 static DisplayChangeListenerOps display_listener_ops = {
1985 .dpy_name = "spice/qxl",
1986 .dpy_gfx_update = display_update,
1987 .dpy_gfx_switch = display_switch,
1988 .dpy_refresh = display_refresh,
1989 };
1990
1991 static void qxl_init_ramsize(PCIQXLDevice *qxl)
1992 {
1993 /* vga mode framebuffer / primary surface (bar 0, first part) */
1994 if (qxl->vgamem_size_mb < 8) {
1995 qxl->vgamem_size_mb = 8;
1996 }
1997 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
1998 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
1999 */
2000 if (qxl->vgamem_size_mb > 256) {
2001 qxl->vgamem_size_mb = 256;
2002 }
2003 qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024;
2004
2005 /* vga ram (bar 0, total) */
2006 if (qxl->ram_size_mb != -1) {
2007 qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
2008 }
2009 if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
2010 qxl->vga.vram_size = qxl->vgamem_size * 2;
2011 }
2012
2013 /* vram32 (surfaces, 32bit, bar 1) */
2014 if (qxl->vram32_size_mb != -1) {
2015 qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
2016 }
2017 if (qxl->vram32_size < 4096) {
2018 qxl->vram32_size = 4096;
2019 }
2020
2021 /* vram (surfaces, 64bit, bar 4+5) */
2022 if (qxl->vram_size_mb != -1) {
2023 qxl->vram_size = (uint64_t)qxl->vram_size_mb * 1024 * 1024;
2024 }
2025 if (qxl->vram_size < qxl->vram32_size) {
2026 qxl->vram_size = qxl->vram32_size;
2027 }
2028
2029 if (qxl->revision == 1) {
2030 qxl->vram32_size = 4096;
2031 qxl->vram_size = 4096;
2032 }
2033 qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
2034 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
2035 qxl->vram32_size = pow2ceil(qxl->vram32_size);
2036 qxl->vram_size = pow2ceil(qxl->vram_size);
2037 }
2038
2039 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
2040 {
2041 uint8_t* config = qxl->pci.config;
2042 uint32_t pci_device_rev;
2043 uint32_t io_size;
2044
2045 qxl->mode = QXL_MODE_UNDEFINED;
2046 qxl->generation = 1;
2047 qxl->num_memslots = NUM_MEMSLOTS;
2048 qemu_mutex_init(&qxl->track_lock);
2049 qemu_mutex_init(&qxl->async_lock);
2050 qxl->current_async = QXL_UNDEFINED_IO;
2051 qxl->guest_bug = 0;
2052
2053 switch (qxl->revision) {
2054 case 1: /* spice 0.4 -- qxl-1 */
2055 pci_device_rev = QXL_REVISION_STABLE_V04;
2056 io_size = 8;
2057 break;
2058 case 2: /* spice 0.6 -- qxl-2 */
2059 pci_device_rev = QXL_REVISION_STABLE_V06;
2060 io_size = 16;
2061 break;
2062 case 3: /* qxl-3 */
2063 pci_device_rev = QXL_REVISION_STABLE_V10;
2064 io_size = 32; /* PCI region size must be pow2 */
2065 break;
2066 case 4: /* qxl-4 */
2067 pci_device_rev = QXL_REVISION_STABLE_V12;
2068 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2069 break;
2070 default:
2071 error_setg(errp, "Invalid revision %d for qxl device (max %d)",
2072 qxl->revision, QXL_DEFAULT_REVISION);
2073 return;
2074 }
2075
2076 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
2077 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
2078
2079 qxl->rom_size = qxl_rom_size();
2080 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
2081 qxl->rom_size, &error_fatal);
2082 vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev);
2083 init_qxl_rom(qxl);
2084 init_qxl_ram(qxl);
2085
2086 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
2087 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
2088 qxl->vram_size, &error_fatal);
2089 vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev);
2090 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
2091 &qxl->vram_bar, 0, qxl->vram32_size);
2092
2093 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
2094 "qxl-ioports", io_size);
2095 if (qxl->id == 0) {
2096 vga_dirty_log_start(&qxl->vga);
2097 }
2098 memory_region_set_flush_coalesced(&qxl->io_bar);
2099
2100
2101 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
2102 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
2103
2104 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2105 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2106
2107 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2108 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2109
2110 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2111 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2112
2113 if (qxl->vram32_size < qxl->vram_size) {
2114 /*
2115 * Make the 64bit vram bar show up only in case it is
2116 * configured to be larger than the 32bit vram bar.
2117 */
2118 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2119 PCI_BASE_ADDRESS_SPACE_MEMORY |
2120 PCI_BASE_ADDRESS_MEM_TYPE_64 |
2121 PCI_BASE_ADDRESS_MEM_PREFETCH,
2122 &qxl->vram_bar);
2123 }
2124
2125 /* print pci bar details */
2126 dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
2127 qxl->id == 0 ? "pri" : "sec",
2128 qxl->vga.vram_size / (1024*1024));
2129 dprint(qxl, 1, "vram/32: %" PRIx64 "d MB [region 1]\n",
2130 qxl->vram32_size / (1024*1024));
2131 dprint(qxl, 1, "vram/64: %" PRIx64 "d MB %s\n",
2132 qxl->vram_size / (1024*1024),
2133 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2134
2135 qxl->ssd.qxl.base.sif = &qxl_interface.base;
2136 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) {
2137 error_setg(errp, "qxl interface %d.%d not supported by spice-server",
2138 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2139 return;
2140 }
2141 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2142
2143 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl);
2144 qxl_reset_state(qxl);
2145
2146 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2147 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd);
2148 }
2149
2150 static void qxl_realize_primary(PCIDevice *dev, Error **errp)
2151 {
2152 PCIQXLDevice *qxl = PCI_QXL(dev);
2153 VGACommonState *vga = &qxl->vga;
2154 Error *local_err = NULL;
2155
2156 qxl->id = 0;
2157 qxl_init_ramsize(qxl);
2158 vga->vbe_size = qxl->vgamem_size;
2159 vga->vram_size_mb = qxl->vga.vram_size >> 20;
2160 vga_common_init(vga, OBJECT(dev), true);
2161 vga_init(vga, OBJECT(dev),
2162 pci_address_space(dev), pci_address_space_io(dev), false);
2163 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
2164 vga, "vga");
2165 portio_list_set_flush_coalesced(&qxl->vga_port_list);
2166 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
2167
2168 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2169 qemu_spice_display_init_common(&qxl->ssd);
2170
2171 qxl_realize_common(qxl, &local_err);
2172 if (local_err) {
2173 error_propagate(errp, local_err);
2174 return;
2175 }
2176
2177 qxl->ssd.dcl.ops = &display_listener_ops;
2178 qxl->ssd.dcl.con = vga->con;
2179 register_displaychangelistener(&qxl->ssd.dcl);
2180 }
2181
2182 static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
2183 {
2184 static int device_id = 1;
2185 PCIQXLDevice *qxl = PCI_QXL(dev);
2186
2187 qxl->id = device_id++;
2188 qxl_init_ramsize(qxl);
2189 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
2190 qxl->vga.vram_size, &error_fatal);
2191 vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev);
2192 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
2193 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2194
2195 qxl_realize_common(qxl, errp);
2196 }
2197
2198 static void qxl_pre_save(void *opaque)
2199 {
2200 PCIQXLDevice* d = opaque;
2201 uint8_t *ram_start = d->vga.vram_ptr;
2202
2203 trace_qxl_pre_save(d->id);
2204 if (d->last_release == NULL) {
2205 d->last_release_offset = 0;
2206 } else {
2207 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2208 }
2209 assert(d->last_release_offset < d->vga.vram_size);
2210 }
2211
2212 static int qxl_pre_load(void *opaque)
2213 {
2214 PCIQXLDevice* d = opaque;
2215
2216 trace_qxl_pre_load(d->id);
2217 qxl_hard_reset(d, 1);
2218 qxl_exit_vga_mode(d);
2219 return 0;
2220 }
2221
2222 static void qxl_create_memslots(PCIQXLDevice *d)
2223 {
2224 int i;
2225
2226 for (i = 0; i < NUM_MEMSLOTS; i++) {
2227 if (!d->guest_slots[i].active) {
2228 continue;
2229 }
2230 qxl_add_memslot(d, i, 0, QXL_SYNC);
2231 }
2232 }
2233
2234 static int qxl_post_load(void *opaque, int version)
2235 {
2236 PCIQXLDevice* d = opaque;
2237 uint8_t *ram_start = d->vga.vram_ptr;
2238 QXLCommandExt *cmds;
2239 int in, out, newmode;
2240
2241 assert(d->last_release_offset < d->vga.vram_size);
2242 if (d->last_release_offset == 0) {
2243 d->last_release = NULL;
2244 } else {
2245 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2246 }
2247
2248 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2249
2250 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2251 newmode = d->mode;
2252 d->mode = QXL_MODE_UNDEFINED;
2253
2254 switch (newmode) {
2255 case QXL_MODE_UNDEFINED:
2256 qxl_create_memslots(d);
2257 break;
2258 case QXL_MODE_VGA:
2259 qxl_create_memslots(d);
2260 qxl_enter_vga_mode(d);
2261 break;
2262 case QXL_MODE_NATIVE:
2263 qxl_create_memslots(d);
2264 qxl_create_guest_primary(d, 1, QXL_SYNC);
2265
2266 /* replay surface-create and cursor-set commands */
2267 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1);
2268 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2269 if (d->guest_surfaces.cmds[in] == 0) {
2270 continue;
2271 }
2272 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2273 cmds[out].cmd.type = QXL_CMD_SURFACE;
2274 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2275 out++;
2276 }
2277 if (d->guest_cursor) {
2278 cmds[out].cmd.data = d->guest_cursor;
2279 cmds[out].cmd.type = QXL_CMD_CURSOR;
2280 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2281 out++;
2282 }
2283 qxl_spice_loadvm_commands(d, cmds, out);
2284 g_free(cmds);
2285 if (d->guest_monitors_config) {
2286 qxl_spice_monitors_config_async(d, 1);
2287 }
2288 break;
2289 case QXL_MODE_COMPAT:
2290 /* note: no need to call qxl_create_memslots, qxl_set_mode
2291 * creates the mem slot. */
2292 qxl_set_mode(d, d->shadow_rom.mode, 1);
2293 break;
2294 }
2295 return 0;
2296 }
2297
2298 #define QXL_SAVE_VERSION 21
2299
2300 static bool qxl_monitors_config_needed(void *opaque)
2301 {
2302 PCIQXLDevice *qxl = opaque;
2303
2304 return qxl->guest_monitors_config != 0;
2305 }
2306
2307
2308 static VMStateDescription qxl_memslot = {
2309 .name = "qxl-memslot",
2310 .version_id = QXL_SAVE_VERSION,
2311 .minimum_version_id = QXL_SAVE_VERSION,
2312 .fields = (VMStateField[]) {
2313 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2314 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
2315 VMSTATE_UINT32(active, struct guest_slots),
2316 VMSTATE_END_OF_LIST()
2317 }
2318 };
2319
2320 static VMStateDescription qxl_surface = {
2321 .name = "qxl-surface",
2322 .version_id = QXL_SAVE_VERSION,
2323 .minimum_version_id = QXL_SAVE_VERSION,
2324 .fields = (VMStateField[]) {
2325 VMSTATE_UINT32(width, QXLSurfaceCreate),
2326 VMSTATE_UINT32(height, QXLSurfaceCreate),
2327 VMSTATE_INT32(stride, QXLSurfaceCreate),
2328 VMSTATE_UINT32(format, QXLSurfaceCreate),
2329 VMSTATE_UINT32(position, QXLSurfaceCreate),
2330 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2331 VMSTATE_UINT32(flags, QXLSurfaceCreate),
2332 VMSTATE_UINT32(type, QXLSurfaceCreate),
2333 VMSTATE_UINT64(mem, QXLSurfaceCreate),
2334 VMSTATE_END_OF_LIST()
2335 }
2336 };
2337
2338 static VMStateDescription qxl_vmstate_monitors_config = {
2339 .name = "qxl/monitors-config",
2340 .version_id = 1,
2341 .minimum_version_id = 1,
2342 .needed = qxl_monitors_config_needed,
2343 .fields = (VMStateField[]) {
2344 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2345 VMSTATE_END_OF_LIST()
2346 },
2347 };
2348
2349 static VMStateDescription qxl_vmstate = {
2350 .name = "qxl",
2351 .version_id = QXL_SAVE_VERSION,
2352 .minimum_version_id = QXL_SAVE_VERSION,
2353 .pre_save = qxl_pre_save,
2354 .pre_load = qxl_pre_load,
2355 .post_load = qxl_post_load,
2356 .fields = (VMStateField[]) {
2357 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2358 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2359 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2360 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2361 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2362 VMSTATE_UINT32(mode, PCIQXLDevice),
2363 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2364 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
2365 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2366 qxl_memslot, struct guest_slots),
2367 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2368 qxl_surface, QXLSurfaceCreate),
2369 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice),
2370 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2371 ssd.num_surfaces, 0,
2372 vmstate_info_uint64, uint64_t),
2373 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2374 VMSTATE_END_OF_LIST()
2375 },
2376 .subsections = (const VMStateDescription*[]) {
2377 &qxl_vmstate_monitors_config,
2378 NULL
2379 }
2380 };
2381
2382 static Property qxl_properties[] = {
2383 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
2384 64 * 1024 * 1024),
2385 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size,
2386 64 * 1024 * 1024),
2387 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2388 QXL_DEFAULT_REVISION),
2389 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2390 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2391 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2392 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
2393 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2394 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2395 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2396 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2397 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
2398 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0),
2399 #endif
2400 DEFINE_PROP_END_OF_LIST(),
2401 };
2402
2403 static void qxl_pci_class_init(ObjectClass *klass, void *data)
2404 {
2405 DeviceClass *dc = DEVICE_CLASS(klass);
2406 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2407
2408 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2409 k->device_id = QXL_DEVICE_ID_STABLE;
2410 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
2411 dc->reset = qxl_reset_handler;
2412 dc->vmsd = &qxl_vmstate;
2413 dc->props = qxl_properties;
2414 }
2415
2416 static const TypeInfo qxl_pci_type_info = {
2417 .name = TYPE_PCI_QXL,
2418 .parent = TYPE_PCI_DEVICE,
2419 .instance_size = sizeof(PCIQXLDevice),
2420 .abstract = true,
2421 .class_init = qxl_pci_class_init,
2422 };
2423
2424 static void qxl_primary_class_init(ObjectClass *klass, void *data)
2425 {
2426 DeviceClass *dc = DEVICE_CLASS(klass);
2427 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2428
2429 k->realize = qxl_realize_primary;
2430 k->romfile = "vgabios-qxl.bin";
2431 k->class_id = PCI_CLASS_DISPLAY_VGA;
2432 dc->desc = "Spice QXL GPU (primary, vga compatible)";
2433 dc->hotpluggable = false;
2434 }
2435
2436 static const TypeInfo qxl_primary_info = {
2437 .name = "qxl-vga",
2438 .parent = TYPE_PCI_QXL,
2439 .class_init = qxl_primary_class_init,
2440 };
2441
2442 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2443 {
2444 DeviceClass *dc = DEVICE_CLASS(klass);
2445 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2446
2447 k->realize = qxl_realize_secondary;
2448 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2449 dc->desc = "Spice QXL GPU (secondary)";
2450 }
2451
2452 static const TypeInfo qxl_secondary_info = {
2453 .name = "qxl",
2454 .parent = TYPE_PCI_QXL,
2455 .class_init = qxl_secondary_class_init,
2456 };
2457
2458 static void qxl_register_types(void)
2459 {
2460 type_register_static(&qxl_pci_type_info);
2461 type_register_static(&qxl_primary_info);
2462 type_register_static(&qxl_secondary_info);
2463 }
2464
2465 type_init(qxl_register_types)