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qxl: fix pre-save logic
[qemu/kevin.git] / hw / display / qxl.c
blob29c80b4289b730b5c062bda783641745af22e244
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 "qemu/units.h"
23 #include <zlib.h>
24
25 #include "qapi/error.h"
26 #include "qemu/timer.h"
27 #include "qemu/queue.h"
28 #include "qemu/atomic.h"
29 #include "qemu/main-loop.h"
30 #include "qemu/module.h"
31 #include "hw/qdev-properties.h"
32 #include "sysemu/runstate.h"
33 #include "migration/vmstate.h"
34 #include "trace.h"
35
36 #include "qxl.h"
37
38 #undef SPICE_RING_CONS_ITEM
39 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
40 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
41 if (cons >= ARRAY_SIZE((r)->items)) { \
42 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
43 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
44 ret = NULL; \
45 } else { \
46 ret = &(r)->items[cons].el; \
47 } \
48 }
49
50 #undef ALIGN
51 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
52
53 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
54
55 #define QXL_MODE(_x, _y, _b, _o) \
56 { .x_res = _x, \
57 .y_res = _y, \
58 .bits = _b, \
59 .stride = (_x) * (_b) / 8, \
60 .x_mili = PIXEL_SIZE * (_x), \
61 .y_mili = PIXEL_SIZE * (_y), \
62 .orientation = _o, \
63 }
64
65 #define QXL_MODE_16_32(x_res, y_res, orientation) \
66 QXL_MODE(x_res, y_res, 16, orientation), \
67 QXL_MODE(x_res, y_res, 32, orientation)
68
69 #define QXL_MODE_EX(x_res, y_res) \
70 QXL_MODE_16_32(x_res, y_res, 0), \
71 QXL_MODE_16_32(x_res, y_res, 1)
72
73 static QXLMode qxl_modes[] = {
74 QXL_MODE_EX(640, 480),
75 QXL_MODE_EX(800, 480),
76 QXL_MODE_EX(800, 600),
77 QXL_MODE_EX(832, 624),
78 QXL_MODE_EX(960, 640),
79 QXL_MODE_EX(1024, 600),
80 QXL_MODE_EX(1024, 768),
81 QXL_MODE_EX(1152, 864),
82 QXL_MODE_EX(1152, 870),
83 QXL_MODE_EX(1280, 720),
84 QXL_MODE_EX(1280, 760),
85 QXL_MODE_EX(1280, 768),
86 QXL_MODE_EX(1280, 800),
87 QXL_MODE_EX(1280, 960),
88 QXL_MODE_EX(1280, 1024),
89 QXL_MODE_EX(1360, 768),
90 QXL_MODE_EX(1366, 768),
91 QXL_MODE_EX(1400, 1050),
92 QXL_MODE_EX(1440, 900),
93 QXL_MODE_EX(1600, 900),
94 QXL_MODE_EX(1600, 1200),
95 QXL_MODE_EX(1680, 1050),
96 QXL_MODE_EX(1920, 1080),
97 /* these modes need more than 8 MB video memory */
98 QXL_MODE_EX(1920, 1200),
99 QXL_MODE_EX(1920, 1440),
100 QXL_MODE_EX(2000, 2000),
101 QXL_MODE_EX(2048, 1536),
102 QXL_MODE_EX(2048, 2048),
103 QXL_MODE_EX(2560, 1440),
104 QXL_MODE_EX(2560, 1600),
105 /* these modes need more than 16 MB video memory */
106 QXL_MODE_EX(2560, 2048),
107 QXL_MODE_EX(2800, 2100),
108 QXL_MODE_EX(3200, 2400),
109 /* these modes need more than 32 MB video memory */
110 QXL_MODE_EX(3840, 2160), /* 4k mainstream */
111 QXL_MODE_EX(4096, 2160), /* 4k */
112 /* these modes need more than 64 MB video memory */
113 QXL_MODE_EX(7680, 4320), /* 8k mainstream */
114 /* these modes need more than 128 MB video memory */
115 QXL_MODE_EX(8192, 4320), /* 8k */
116 };
117
118 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
119 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
120 static void qxl_reset_memslots(PCIQXLDevice *d);
121 static void qxl_reset_surfaces(PCIQXLDevice *d);
122 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
123
124 static void qxl_hw_update(void *opaque);
125
126 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
127 {
128 trace_qxl_set_guest_bug(qxl->id);
129 qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
130 qxl->guest_bug = 1;
131 if (qxl->guestdebug) {
132 va_list ap;
133 va_start(ap, msg);
134 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
135 vfprintf(stderr, msg, ap);
136 fprintf(stderr, "\n");
137 va_end(ap);
138 }
139 }
140
141 static void qxl_clear_guest_bug(PCIQXLDevice *qxl)
142 {
143 qxl->guest_bug = 0;
144 }
145
146 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
147 struct QXLRect *area, struct QXLRect *dirty_rects,
148 uint32_t num_dirty_rects,
149 uint32_t clear_dirty_region,
150 qxl_async_io async, struct QXLCookie *cookie)
151 {
152 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
153 area->top, area->bottom);
154 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
155 clear_dirty_region);
156 if (async == QXL_SYNC) {
157 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area,
158 dirty_rects, num_dirty_rects, clear_dirty_region);
159 } else {
160 assert(cookie != NULL);
161 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
162 clear_dirty_region, (uintptr_t)cookie);
163 }
164 }
165
166 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
167 uint32_t id)
168 {
169 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
170 qemu_mutex_lock(&qxl->track_lock);
171 qxl->guest_surfaces.cmds[id] = 0;
172 qxl->guest_surfaces.count--;
173 qemu_mutex_unlock(&qxl->track_lock);
174 }
175
176 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
177 qxl_async_io async)
178 {
179 QXLCookie *cookie;
180
181 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
182 if (async) {
183 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
184 QXL_IO_DESTROY_SURFACE_ASYNC);
185 cookie->u.surface_id = id;
186 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
187 } else {
188 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id);
189 qxl_spice_destroy_surface_wait_complete(qxl, id);
190 }
191 }
192
193 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
194 {
195 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
196 qxl->num_free_res);
197 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
198 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
199 QXL_IO_FLUSH_SURFACES_ASYNC));
200 }
201
202 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
203 uint32_t count)
204 {
205 trace_qxl_spice_loadvm_commands(qxl->id, ext, count);
206 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count);
207 }
208
209 void qxl_spice_oom(PCIQXLDevice *qxl)
210 {
211 trace_qxl_spice_oom(qxl->id);
212 spice_qxl_oom(&qxl->ssd.qxl);
213 }
214
215 void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
216 {
217 trace_qxl_spice_reset_memslots(qxl->id);
218 spice_qxl_reset_memslots(&qxl->ssd.qxl);
219 }
220
221 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
222 {
223 trace_qxl_spice_destroy_surfaces_complete(qxl->id);
224 qemu_mutex_lock(&qxl->track_lock);
225 memset(qxl->guest_surfaces.cmds, 0,
226 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces);
227 qxl->guest_surfaces.count = 0;
228 qemu_mutex_unlock(&qxl->track_lock);
229 }
230
231 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
232 {
233 trace_qxl_spice_destroy_surfaces(qxl->id, async);
234 if (async) {
235 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
236 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
237 QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
238 } else {
239 spice_qxl_destroy_surfaces(&qxl->ssd.qxl);
240 qxl_spice_destroy_surfaces_complete(qxl);
241 }
242 }
243
244 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
245 {
246 QXLMonitorsConfig *cfg;
247
248 trace_qxl_spice_monitors_config(qxl->id);
249 if (replay) {
250 /*
251 * don't use QXL_COOKIE_TYPE_IO:
252 * - we are not running yet (post_load), we will assert
253 * in send_events
254 * - this is not a guest io, but a reply, so async_io isn't set.
255 */
256 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
257 qxl->guest_monitors_config,
258 MEMSLOT_GROUP_GUEST,
259 (uintptr_t)qxl_cookie_new(
260 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
261 0));
262 } else {
263 /* >= release 0.12.6, < release 0.14.2 */
264 #if SPICE_SERVER_VERSION >= 0x000c06 && SPICE_SERVER_VERSION < 0x000e02
265 if (qxl->max_outputs) {
266 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs);
267 }
268 #endif
269 qxl->guest_monitors_config = qxl->ram->monitors_config;
270 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
271 qxl->ram->monitors_config,
272 MEMSLOT_GROUP_GUEST,
273 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
274 QXL_IO_MONITORS_CONFIG_ASYNC));
275 }
276
277 cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST);
278 if (cfg != NULL && cfg->count == 1) {
279 qxl->guest_primary.resized = 1;
280 qxl->guest_head0_width = cfg->heads[0].width;
281 qxl->guest_head0_height = cfg->heads[0].height;
282 } else {
283 qxl->guest_head0_width = 0;
284 qxl->guest_head0_height = 0;
285 }
286 }
287
288 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
289 {
290 trace_qxl_spice_reset_image_cache(qxl->id);
291 spice_qxl_reset_image_cache(&qxl->ssd.qxl);
292 }
293
294 void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
295 {
296 trace_qxl_spice_reset_cursor(qxl->id);
297 spice_qxl_reset_cursor(&qxl->ssd.qxl);
298 qemu_mutex_lock(&qxl->track_lock);
299 qxl->guest_cursor = 0;
300 qemu_mutex_unlock(&qxl->track_lock);
301 if (qxl->ssd.cursor) {
302 cursor_put(qxl->ssd.cursor);
303 }
304 qxl->ssd.cursor = cursor_builtin_hidden();
305 }
306
307 static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
308 {
309 /*
310 * zlib xors the seed with 0xffffffff, and xors the result
311 * again with 0xffffffff; Both are not done with linux's crc32,
312 * which we want to be compatible with, so undo that.
313 */
314 return crc32(0xffffffff, p, len) ^ 0xffffffff;
315 }
316
317 static ram_addr_t qxl_rom_size(void)
318 {
319 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes))
320 #define QXL_ROM_SZ 8192
321
322 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ);
323 return QEMU_ALIGN_UP(QXL_REQUIRED_SZ, qemu_real_host_page_size);
324 }
325
326 static void init_qxl_rom(PCIQXLDevice *d)
327 {
328 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
329 QXLModes *modes = (QXLModes *)(rom + 1);
330 uint32_t ram_header_size;
331 uint32_t surface0_area_size;
332 uint32_t num_pages;
333 uint32_t fb;
334 int i, n;
335
336 memset(rom, 0, d->rom_size);
337
338 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
339 rom->id = cpu_to_le32(d->id);
340 rom->log_level = cpu_to_le32(d->guestdebug);
341 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
342
343 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
344 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
345 rom->slots_start = 1;
346 rom->slots_end = NUM_MEMSLOTS - 1;
347 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces);
348
349 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
350 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
351 if (fb > d->vgamem_size) {
352 continue;
353 }
354 modes->modes[n].id = cpu_to_le32(i);
355 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res);
356 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res);
357 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits);
358 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride);
359 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
360 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
361 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation);
362 n++;
363 }
364 modes->n_modes = cpu_to_le32(n);
365
366 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
367 surface0_area_size = ALIGN(d->vgamem_size, 4096);
368 num_pages = d->vga.vram_size;
369 num_pages -= ram_header_size;
370 num_pages -= surface0_area_size;
371 num_pages = num_pages / QXL_PAGE_SIZE;
372
373 assert(ram_header_size + surface0_area_size <= d->vga.vram_size);
374
375 rom->draw_area_offset = cpu_to_le32(0);
376 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
377 rom->pages_offset = cpu_to_le32(surface0_area_size);
378 rom->num_pages = cpu_to_le32(num_pages);
379 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
380
381 if (d->xres && d->yres) {
382 /* needs linux kernel 4.12+ to work */
383 rom->client_monitors_config.count = 1;
384 rom->client_monitors_config.heads[0].left = 0;
385 rom->client_monitors_config.heads[0].top = 0;
386 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres);
387 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres);
388 rom->client_monitors_config_crc = qxl_crc32(
389 (const uint8_t *)&rom->client_monitors_config,
390 sizeof(rom->client_monitors_config));
391 }
392
393 d->shadow_rom = *rom;
394 d->rom = rom;
395 d->modes = modes;
396 }
397
398 static void init_qxl_ram(PCIQXLDevice *d)
399 {
400 uint8_t *buf;
401 uint32_t prod;
402 QXLReleaseRing *ring;
403
404 buf = d->vga.vram_ptr;
405 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
406 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
407 d->ram->int_pending = cpu_to_le32(0);
408 d->ram->int_mask = cpu_to_le32(0);
409 d->ram->update_surface = 0;
410 d->ram->monitors_config = 0;
411 SPICE_RING_INIT(&d->ram->cmd_ring);
412 SPICE_RING_INIT(&d->ram->cursor_ring);
413 SPICE_RING_INIT(&d->ram->release_ring);
414
415 ring = &d->ram->release_ring;
416 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
417 assert(prod < ARRAY_SIZE(ring->items));
418 ring->items[prod].el = 0;
419
420 qxl_ring_set_dirty(d);
421 }
422
423 /* can be called from spice server thread context */
424 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
425 {
426 memory_region_set_dirty(mr, addr, end - addr);
427 }
428
429 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
430 {
431 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
432 }
433
434 /* called from spice server thread context only */
435 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
436 {
437 void *base = qxl->vga.vram_ptr;
438 intptr_t offset;
439
440 offset = ptr - base;
441 assert(offset < qxl->vga.vram_size);
442 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3);
443 }
444
445 /* can be called from spice server thread context */
446 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
447 {
448 ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
449 ram_addr_t end = qxl->vga.vram_size;
450 qxl_set_dirty(&qxl->vga.vram, addr, end);
451 }
452
453 /*
454 * keep track of some command state, for savevm/loadvm.
455 * called from spice server thread context only
456 */
457 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
458 {
459 switch (le32_to_cpu(ext->cmd.type)) {
460 case QXL_CMD_SURFACE:
461 {
462 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
463
464 if (!cmd) {
465 return 1;
466 }
467 uint32_t id = le32_to_cpu(cmd->surface_id);
468
469 if (id >= qxl->ssd.num_surfaces) {
470 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
471 qxl->ssd.num_surfaces);
472 return 1;
473 }
474 if (cmd->type == QXL_SURFACE_CMD_CREATE &&
475 (cmd->u.surface_create.stride & 0x03) != 0) {
476 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
477 cmd->u.surface_create.stride);
478 return 1;
479 }
480 WITH_QEMU_LOCK_GUARD(&qxl->track_lock) {
481 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
482 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
483 qxl->guest_surfaces.count++;
484 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) {
485 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
486 }
487 }
488 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
489 qxl->guest_surfaces.cmds[id] = 0;
490 qxl->guest_surfaces.count--;
491 }
492 }
493 break;
494 }
495 case QXL_CMD_CURSOR:
496 {
497 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
498
499 if (!cmd) {
500 return 1;
501 }
502 if (cmd->type == QXL_CURSOR_SET) {
503 qemu_mutex_lock(&qxl->track_lock);
504 qxl->guest_cursor = ext->cmd.data;
505 qemu_mutex_unlock(&qxl->track_lock);
506 }
507 if (cmd->type == QXL_CURSOR_HIDE) {
508 qemu_mutex_lock(&qxl->track_lock);
509 qxl->guest_cursor = 0;
510 qemu_mutex_unlock(&qxl->track_lock);
511 }
512 break;
513 }
514 }
515 return 0;
516 }
517
518 /* spice display interface callbacks */
519
520 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
521 {
522 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
523
524 trace_qxl_interface_attach_worker(qxl->id);
525 }
526
527 static void interface_set_compression_level(QXLInstance *sin, int level)
528 {
529 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
530
531 trace_qxl_interface_set_compression_level(qxl->id, level);
532 qxl->shadow_rom.compression_level = cpu_to_le32(level);
533 qxl->rom->compression_level = cpu_to_le32(level);
534 qxl_rom_set_dirty(qxl);
535 }
536
537 #if SPICE_NEEDS_SET_MM_TIME
538 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
539 {
540 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
541
542 if (!qemu_spice_display_is_running(&qxl->ssd)) {
543 return;
544 }
545
546 trace_qxl_interface_set_mm_time(qxl->id, mm_time);
547 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
548 qxl->rom->mm_clock = cpu_to_le32(mm_time);
549 qxl_rom_set_dirty(qxl);
550 }
551 #endif
552
553 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
554 {
555 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
556
557 trace_qxl_interface_get_init_info(qxl->id);
558 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
559 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
560 info->num_memslots = NUM_MEMSLOTS;
561 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
562 info->internal_groupslot_id = 0;
563 info->qxl_ram_size =
564 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS;
565 info->n_surfaces = qxl->ssd.num_surfaces;
566 }
567
568 static const char *qxl_mode_to_string(int mode)
569 {
570 switch (mode) {
571 case QXL_MODE_COMPAT:
572 return "compat";
573 case QXL_MODE_NATIVE:
574 return "native";
575 case QXL_MODE_UNDEFINED:
576 return "undefined";
577 case QXL_MODE_VGA:
578 return "vga";
579 }
580 return "INVALID";
581 }
582
583 static const char *io_port_to_string(uint32_t io_port)
584 {
585 if (io_port >= QXL_IO_RANGE_SIZE) {
586 return "out of range";
587 }
588 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
589 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
590 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
591 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
592 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
593 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
594 [QXL_IO_RESET] = "QXL_IO_RESET",
595 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
596 [QXL_IO_LOG] = "QXL_IO_LOG",
597 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
598 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
599 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
600 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
601 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
602 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
603 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
604 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
605 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
606 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
607 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
608 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
609 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
610 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
611 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
612 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
613 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
614 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
615 };
616 return io_port_to_string[io_port];
617 }
618
619 /* called from spice server thread context only */
620 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
621 {
622 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
623 SimpleSpiceUpdate *update;
624 QXLCommandRing *ring;
625 QXLCommand *cmd;
626 int notify, ret;
627
628 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
629
630 switch (qxl->mode) {
631 case QXL_MODE_VGA:
632 ret = false;
633 qemu_mutex_lock(&qxl->ssd.lock);
634 update = QTAILQ_FIRST(&qxl->ssd.updates);
635 if (update != NULL) {
636 QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
637 *ext = update->ext;
638 ret = true;
639 }
640 qemu_mutex_unlock(&qxl->ssd.lock);
641 if (ret) {
642 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
643 qxl_log_command(qxl, "vga", ext);
644 }
645 return ret;
646 case QXL_MODE_COMPAT:
647 case QXL_MODE_NATIVE:
648 case QXL_MODE_UNDEFINED:
649 ring = &qxl->ram->cmd_ring;
650 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
651 return false;
652 }
653 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
654 if (!cmd) {
655 return false;
656 }
657 ext->cmd = *cmd;
658 ext->group_id = MEMSLOT_GROUP_GUEST;
659 ext->flags = qxl->cmdflags;
660 SPICE_RING_POP(ring, notify);
661 qxl_ring_set_dirty(qxl);
662 if (notify) {
663 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
664 }
665 qxl->guest_primary.commands++;
666 qxl_track_command(qxl, ext);
667 qxl_log_command(qxl, "cmd", ext);
668 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
669 return true;
670 default:
671 return false;
672 }
673 }
674
675 /* called from spice server thread context only */
676 static int interface_req_cmd_notification(QXLInstance *sin)
677 {
678 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
679 int wait = 1;
680
681 trace_qxl_ring_command_req_notification(qxl->id);
682 switch (qxl->mode) {
683 case QXL_MODE_COMPAT:
684 case QXL_MODE_NATIVE:
685 case QXL_MODE_UNDEFINED:
686 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
687 qxl_ring_set_dirty(qxl);
688 break;
689 default:
690 /* nothing */
691 break;
692 }
693 return wait;
694 }
695
696 /* called from spice server thread context only */
697 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
698 {
699 QXLReleaseRing *ring = &d->ram->release_ring;
700 uint32_t prod;
701 int notify;
702
703 #define QXL_FREE_BUNCH_SIZE 32
704
705 if (ring->prod - ring->cons + 1 == ring->num_items) {
706 /* ring full -- can't push */
707 return;
708 }
709 if (!flush && d->oom_running) {
710 /* collect everything from oom handler before pushing */
711 return;
712 }
713 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
714 /* collect a bit more before pushing */
715 return;
716 }
717
718 SPICE_RING_PUSH(ring, notify);
719 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
720 d->guest_surfaces.count, d->num_free_res,
721 d->last_release, notify ? "yes" : "no");
722 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
723 ring->num_items, ring->prod, ring->cons);
724 if (notify) {
725 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
726 }
727
728 ring = &d->ram->release_ring;
729 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
730 if (prod >= ARRAY_SIZE(ring->items)) {
731 qxl_set_guest_bug(d, "SPICE_RING_PROD_ITEM indices mismatch "
732 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
733 return;
734 }
735 ring->items[prod].el = 0;
736 d->num_free_res = 0;
737 d->last_release = NULL;
738 qxl_ring_set_dirty(d);
739 }
740
741 /* called from spice server thread context only */
742 static void interface_release_resource(QXLInstance *sin,
743 QXLReleaseInfoExt ext)
744 {
745 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
746 QXLReleaseRing *ring;
747 uint32_t prod;
748 uint64_t id;
749
750 if (!ext.info) {
751 return;
752 }
753 if (ext.group_id == MEMSLOT_GROUP_HOST) {
754 /* host group -> vga mode update request */
755 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
756 SimpleSpiceUpdate *update;
757 g_assert(cmdext->cmd.type == QXL_CMD_DRAW);
758 update = container_of(cmdext, SimpleSpiceUpdate, ext);
759 qemu_spice_destroy_update(&qxl->ssd, update);
760 return;
761 }
762
763 /*
764 * ext->info points into guest-visible memory
765 * pci bar 0, $command.release_info
766 */
767 ring = &qxl->ram->release_ring;
768 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
769 if (prod >= ARRAY_SIZE(ring->items)) {
770 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch "
771 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
772 return;
773 }
774 if (ring->items[prod].el == 0) {
775 /* stick head into the ring */
776 id = ext.info->id;
777 ext.info->next = 0;
778 qxl_ram_set_dirty(qxl, &ext.info->next);
779 ring->items[prod].el = id;
780 qxl_ring_set_dirty(qxl);
781 } else {
782 /* append item to the list */
783 qxl->last_release->next = ext.info->id;
784 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
785 ext.info->next = 0;
786 qxl_ram_set_dirty(qxl, &ext.info->next);
787 }
788 qxl->last_release = ext.info;
789 qxl->num_free_res++;
790 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
791 qxl_push_free_res(qxl, 0);
792 }
793
794 /* called from spice server thread context only */
795 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
796 {
797 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
798 QXLCursorRing *ring;
799 QXLCommand *cmd;
800 int notify;
801
802 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
803
804 switch (qxl->mode) {
805 case QXL_MODE_COMPAT:
806 case QXL_MODE_NATIVE:
807 case QXL_MODE_UNDEFINED:
808 ring = &qxl->ram->cursor_ring;
809 if (SPICE_RING_IS_EMPTY(ring)) {
810 return false;
811 }
812 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
813 if (!cmd) {
814 return false;
815 }
816 ext->cmd = *cmd;
817 ext->group_id = MEMSLOT_GROUP_GUEST;
818 ext->flags = qxl->cmdflags;
819 SPICE_RING_POP(ring, notify);
820 qxl_ring_set_dirty(qxl);
821 if (notify) {
822 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
823 }
824 qxl->guest_primary.commands++;
825 qxl_track_command(qxl, ext);
826 qxl_log_command(qxl, "csr", ext);
827 if (qxl->have_vga) {
828 qxl_render_cursor(qxl, ext);
829 }
830 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
831 return true;
832 default:
833 return false;
834 }
835 }
836
837 /* called from spice server thread context only */
838 static int interface_req_cursor_notification(QXLInstance *sin)
839 {
840 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
841 int wait = 1;
842
843 trace_qxl_ring_cursor_req_notification(qxl->id);
844 switch (qxl->mode) {
845 case QXL_MODE_COMPAT:
846 case QXL_MODE_NATIVE:
847 case QXL_MODE_UNDEFINED:
848 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
849 qxl_ring_set_dirty(qxl);
850 break;
851 default:
852 /* nothing */
853 break;
854 }
855 return wait;
856 }
857
858 /* called from spice server thread context */
859 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
860 {
861 /*
862 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
863 * use by xf86-video-qxl and is defined out in the qxl windows driver.
864 * Probably was at some earlier version that is prior to git start (2009),
865 * and is still guest trigerrable.
866 */
867 fprintf(stderr, "%s: deprecated\n", __func__);
868 }
869
870 /* called from spice server thread context only */
871 static int interface_flush_resources(QXLInstance *sin)
872 {
873 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
874 int ret;
875
876 ret = qxl->num_free_res;
877 if (ret) {
878 qxl_push_free_res(qxl, 1);
879 }
880 return ret;
881 }
882
883 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
884
885 /* called from spice server thread context only */
886 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
887 {
888 uint32_t current_async;
889
890 qemu_mutex_lock(&qxl->async_lock);
891 current_async = qxl->current_async;
892 qxl->current_async = QXL_UNDEFINED_IO;
893 qemu_mutex_unlock(&qxl->async_lock);
894
895 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
896 if (!cookie) {
897 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
898 return;
899 }
900 if (cookie && current_async != cookie->io) {
901 fprintf(stderr,
902 "qxl: %s: error: current_async = %d != %"
903 PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
904 }
905 switch (current_async) {
906 case QXL_IO_MEMSLOT_ADD_ASYNC:
907 case QXL_IO_DESTROY_PRIMARY_ASYNC:
908 case QXL_IO_UPDATE_AREA_ASYNC:
909 case QXL_IO_FLUSH_SURFACES_ASYNC:
910 case QXL_IO_MONITORS_CONFIG_ASYNC:
911 break;
912 case QXL_IO_CREATE_PRIMARY_ASYNC:
913 qxl_create_guest_primary_complete(qxl);
914 break;
915 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
916 qxl_spice_destroy_surfaces_complete(qxl);
917 break;
918 case QXL_IO_DESTROY_SURFACE_ASYNC:
919 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
920 break;
921 default:
922 fprintf(stderr, "qxl: %s: unexpected current_async %u\n", __func__,
923 current_async);
924 }
925 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
926 }
927
928 /* called from spice server thread context only */
929 static void interface_update_area_complete(QXLInstance *sin,
930 uint32_t surface_id,
931 QXLRect *dirty, uint32_t num_updated_rects)
932 {
933 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
934 int i;
935 int qxl_i;
936
937 QEMU_LOCK_GUARD(&qxl->ssd.lock);
938 if (surface_id != 0 || !num_updated_rects ||
939 !qxl->render_update_cookie_num) {
940 return;
941 }
942 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
943 dirty->right, dirty->top, dirty->bottom);
944 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
945 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
946 /*
947 * overflow - treat this as a full update. Not expected to be common.
948 */
949 trace_qxl_interface_update_area_complete_overflow(qxl->id,
950 QXL_NUM_DIRTY_RECTS);
951 qxl->guest_primary.resized = 1;
952 }
953 if (qxl->guest_primary.resized) {
954 /*
955 * Don't bother copying or scheduling the bh since we will flip
956 * the whole area anyway on completion of the update_area async call
957 */
958 return;
959 }
960 qxl_i = qxl->num_dirty_rects;
961 for (i = 0; i < num_updated_rects; i++) {
962 qxl->dirty[qxl_i++] = dirty[i];
963 }
964 qxl->num_dirty_rects += num_updated_rects;
965 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
966 qxl->num_dirty_rects);
967 qemu_bh_schedule(qxl->update_area_bh);
968 }
969
970 /* called from spice server thread context only */
971 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
972 {
973 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
974 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
975
976 switch (cookie->type) {
977 case QXL_COOKIE_TYPE_IO:
978 interface_async_complete_io(qxl, cookie);
979 g_free(cookie);
980 break;
981 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
982 qxl_render_update_area_done(qxl, cookie);
983 break;
984 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
985 break;
986 default:
987 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
988 __func__, cookie->type);
989 g_free(cookie);
990 }
991 }
992
993 /* called from spice server thread context only */
994 static void interface_set_client_capabilities(QXLInstance *sin,
995 uint8_t client_present,
996 uint8_t caps[58])
997 {
998 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
999
1000 if (qxl->revision < 4) {
1001 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
1002 qxl->revision);
1003 return;
1004 }
1005
1006 if (runstate_check(RUN_STATE_INMIGRATE) ||
1007 runstate_check(RUN_STATE_POSTMIGRATE)) {
1008 return;
1009 }
1010
1011 qxl->shadow_rom.client_present = client_present;
1012 memcpy(qxl->shadow_rom.client_capabilities, caps,
1013 sizeof(qxl->shadow_rom.client_capabilities));
1014 qxl->rom->client_present = client_present;
1015 memcpy(qxl->rom->client_capabilities, caps,
1016 sizeof(qxl->rom->client_capabilities));
1017 qxl_rom_set_dirty(qxl);
1018
1019 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
1020 }
1021
1022 static bool qxl_rom_monitors_config_changed(QXLRom *rom,
1023 VDAgentMonitorsConfig *monitors_config,
1024 unsigned int max_outputs)
1025 {
1026 int i;
1027 unsigned int monitors_count;
1028
1029 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs);
1030
1031 if (rom->client_monitors_config.count != monitors_count) {
1032 return true;
1033 }
1034
1035 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1036 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1037 QXLURect *rect = &rom->client_monitors_config.heads[i];
1038 /* monitor->depth ignored */
1039 if ((rect->left != monitor->x) ||
1040 (rect->top != monitor->y) ||
1041 (rect->right != monitor->x + monitor->width) ||
1042 (rect->bottom != monitor->y + monitor->height)) {
1043 return true;
1044 }
1045 }
1046
1047 return false;
1048 }
1049
1050 /* called from main context only */
1051 static int interface_client_monitors_config(QXLInstance *sin,
1052 VDAgentMonitorsConfig *monitors_config)
1053 {
1054 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1055 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
1056 int i;
1057 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads);
1058 bool config_changed = false;
1059
1060 if (qxl->revision < 4) {
1061 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
1062 qxl->revision);
1063 return 0;
1064 }
1065 /*
1066 * Older windows drivers set int_mask to 0 when their ISR is called,
1067 * then later set it to ~0. So it doesn't relate to the actual interrupts
1068 * handled. However, they are old, so clearly they don't support this
1069 * interrupt
1070 */
1071 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
1072 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
1073 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
1074 qxl->ram->int_mask,
1075 monitors_config);
1076 return 0;
1077 }
1078 if (!monitors_config) {
1079 return 1;
1080 }
1081
1082 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
1083 /* limit number of outputs based on setting limit */
1084 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) {
1085 max_outputs = qxl->max_outputs;
1086 }
1087 #endif
1088
1089 config_changed = qxl_rom_monitors_config_changed(rom,
1090 monitors_config,
1091 max_outputs);
1092
1093 memset(&rom->client_monitors_config, 0,
1094 sizeof(rom->client_monitors_config));
1095 rom->client_monitors_config.count = monitors_config->num_of_monitors;
1096 /* monitors_config->flags ignored */
1097 if (rom->client_monitors_config.count >= max_outputs) {
1098 trace_qxl_client_monitors_config_capped(qxl->id,
1099 monitors_config->num_of_monitors,
1100 max_outputs);
1101 rom->client_monitors_config.count = max_outputs;
1102 }
1103 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1104 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1105 QXLURect *rect = &rom->client_monitors_config.heads[i];
1106 /* monitor->depth ignored */
1107 rect->left = monitor->x;
1108 rect->top = monitor->y;
1109 rect->right = monitor->x + monitor->width;
1110 rect->bottom = monitor->y + monitor->height;
1111 }
1112 rom->client_monitors_config_crc = qxl_crc32(
1113 (const uint8_t *)&rom->client_monitors_config,
1114 sizeof(rom->client_monitors_config));
1115 trace_qxl_client_monitors_config_crc(qxl->id,
1116 sizeof(rom->client_monitors_config),
1117 rom->client_monitors_config_crc);
1118
1119 trace_qxl_interrupt_client_monitors_config(qxl->id,
1120 rom->client_monitors_config.count,
1121 rom->client_monitors_config.heads);
1122 if (config_changed) {
1123 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1124 }
1125 return 1;
1126 }
1127
1128 static const QXLInterface qxl_interface = {
1129 .base.type = SPICE_INTERFACE_QXL,
1130 .base.description = "qxl gpu",
1131 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
1132 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
1133
1134 .attache_worker = interface_attach_worker,
1135 .set_compression_level = interface_set_compression_level,
1136 #if SPICE_NEEDS_SET_MM_TIME
1137 .set_mm_time = interface_set_mm_time,
1138 #endif
1139 .get_init_info = interface_get_init_info,
1140
1141 /* the callbacks below are called from spice server thread context */
1142 .get_command = interface_get_command,
1143 .req_cmd_notification = interface_req_cmd_notification,
1144 .release_resource = interface_release_resource,
1145 .get_cursor_command = interface_get_cursor_command,
1146 .req_cursor_notification = interface_req_cursor_notification,
1147 .notify_update = interface_notify_update,
1148 .flush_resources = interface_flush_resources,
1149 .async_complete = interface_async_complete,
1150 .update_area_complete = interface_update_area_complete,
1151 .set_client_capabilities = interface_set_client_capabilities,
1152 .client_monitors_config = interface_client_monitors_config,
1153 };
1154
1155 static const GraphicHwOps qxl_ops = {
1156 .gfx_update = qxl_hw_update,
1157 .gfx_update_async = true,
1158 };
1159
1160 static void qxl_enter_vga_mode(PCIQXLDevice *d)
1161 {
1162 if (d->mode == QXL_MODE_VGA) {
1163 return;
1164 }
1165 trace_qxl_enter_vga_mode(d->id);
1166 spice_qxl_driver_unload(&d->ssd.qxl);
1167 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
1168 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
1169 qemu_spice_create_host_primary(&d->ssd);
1170 d->mode = QXL_MODE_VGA;
1171 qemu_spice_display_switch(&d->ssd, d->ssd.ds);
1172 vga_dirty_log_start(&d->vga);
1173 graphic_hw_update(d->vga.con);
1174 }
1175
1176 static void qxl_exit_vga_mode(PCIQXLDevice *d)
1177 {
1178 if (d->mode != QXL_MODE_VGA) {
1179 return;
1180 }
1181 trace_qxl_exit_vga_mode(d->id);
1182 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d);
1183 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
1184 vga_dirty_log_stop(&d->vga);
1185 qxl_destroy_primary(d, QXL_SYNC);
1186 }
1187
1188 static void qxl_update_irq(PCIQXLDevice *d)
1189 {
1190 uint32_t pending = le32_to_cpu(d->ram->int_pending);
1191 uint32_t mask = le32_to_cpu(d->ram->int_mask);
1192 int level = !!(pending & mask);
1193 pci_set_irq(&d->pci, level);
1194 qxl_ring_set_dirty(d);
1195 }
1196
1197 static void qxl_check_state(PCIQXLDevice *d)
1198 {
1199 QXLRam *ram = d->ram;
1200 int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1201
1202 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1203 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1204 }
1205
1206 static void qxl_reset_state(PCIQXLDevice *d)
1207 {
1208 QXLRom *rom = d->rom;
1209
1210 qxl_check_state(d);
1211 d->shadow_rom.update_id = cpu_to_le32(0);
1212 *rom = d->shadow_rom;
1213 qxl_rom_set_dirty(d);
1214 init_qxl_ram(d);
1215 d->num_free_res = 0;
1216 d->last_release = NULL;
1217 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1218 qxl_update_irq(d);
1219 }
1220
1221 static void qxl_soft_reset(PCIQXLDevice *d)
1222 {
1223 trace_qxl_soft_reset(d->id);
1224 qxl_check_state(d);
1225 qxl_clear_guest_bug(d);
1226 qemu_mutex_lock(&d->async_lock);
1227 d->current_async = QXL_UNDEFINED_IO;
1228 qemu_mutex_unlock(&d->async_lock);
1229
1230 if (d->have_vga) {
1231 qxl_enter_vga_mode(d);
1232 } else {
1233 d->mode = QXL_MODE_UNDEFINED;
1234 }
1235 }
1236
1237 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1238 {
1239 bool startstop = qemu_spice_display_is_running(&d->ssd);
1240
1241 trace_qxl_hard_reset(d->id, loadvm);
1242
1243 if (startstop) {
1244 qemu_spice_display_stop();
1245 }
1246
1247 qxl_spice_reset_cursor(d);
1248 qxl_spice_reset_image_cache(d);
1249 qxl_reset_surfaces(d);
1250 qxl_reset_memslots(d);
1251
1252 /* pre loadvm reset must not touch QXLRam. This lives in
1253 * device memory, is migrated together with RAM and thus
1254 * already loaded at this point */
1255 if (!loadvm) {
1256 qxl_reset_state(d);
1257 }
1258 qemu_spice_create_host_memslot(&d->ssd);
1259 qxl_soft_reset(d);
1260
1261 if (startstop) {
1262 qemu_spice_display_start();
1263 }
1264 }
1265
1266 static void qxl_reset_handler(DeviceState *dev)
1267 {
1268 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev));
1269
1270 qxl_hard_reset(d, 0);
1271 }
1272
1273 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1274 {
1275 VGACommonState *vga = opaque;
1276 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1277
1278 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1279 if (qxl->mode != QXL_MODE_VGA &&
1280 qxl->revision <= QXL_REVISION_STABLE_V12) {
1281 qxl_destroy_primary(qxl, QXL_SYNC);
1282 qxl_soft_reset(qxl);
1283 }
1284 vga_ioport_write(opaque, addr, val);
1285 }
1286
1287 static const MemoryRegionPortio qxl_vga_portio_list[] = {
1288 { 0x04, 2, 1, .read = vga_ioport_read,
1289 .write = qxl_vga_ioport_write }, /* 3b4 */
1290 { 0x0a, 1, 1, .read = vga_ioport_read,
1291 .write = qxl_vga_ioport_write }, /* 3ba */
1292 { 0x10, 16, 1, .read = vga_ioport_read,
1293 .write = qxl_vga_ioport_write }, /* 3c0 */
1294 { 0x24, 2, 1, .read = vga_ioport_read,
1295 .write = qxl_vga_ioport_write }, /* 3d4 */
1296 { 0x2a, 1, 1, .read = vga_ioport_read,
1297 .write = qxl_vga_ioport_write }, /* 3da */
1298 PORTIO_END_OF_LIST(),
1299 };
1300
1301 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1302 qxl_async_io async)
1303 {
1304 static const int regions[] = {
1305 QXL_RAM_RANGE_INDEX,
1306 QXL_VRAM_RANGE_INDEX,
1307 QXL_VRAM64_RANGE_INDEX,
1308 };
1309 uint64_t guest_start;
1310 uint64_t guest_end;
1311 int pci_region;
1312 pcibus_t pci_start;
1313 pcibus_t pci_end;
1314 MemoryRegion *mr;
1315 intptr_t virt_start;
1316 QXLDevMemSlot memslot;
1317 int i;
1318
1319 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1320 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1321
1322 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1323
1324 if (slot_id >= NUM_MEMSLOTS) {
1325 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1326 slot_id, NUM_MEMSLOTS);
1327 return 1;
1328 }
1329 if (guest_start > guest_end) {
1330 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1331 " > 0x%" PRIx64, __func__, guest_start, guest_end);
1332 return 1;
1333 }
1334
1335 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1336 pci_region = regions[i];
1337 pci_start = d->pci.io_regions[pci_region].addr;
1338 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1339 /* mapped? */
1340 if (pci_start == -1) {
1341 continue;
1342 }
1343 /* start address in range ? */
1344 if (guest_start < pci_start || guest_start > pci_end) {
1345 continue;
1346 }
1347 /* end address in range ? */
1348 if (guest_end > pci_end) {
1349 continue;
1350 }
1351 /* passed */
1352 break;
1353 }
1354 if (i == ARRAY_SIZE(regions)) {
1355 qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1356 return 1;
1357 }
1358
1359 switch (pci_region) {
1360 case QXL_RAM_RANGE_INDEX:
1361 mr = &d->vga.vram;
1362 break;
1363 case QXL_VRAM_RANGE_INDEX:
1364 case 4 /* vram 64bit */:
1365 mr = &d->vram_bar;
1366 break;
1367 default:
1368 /* should not happen */
1369 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1370 return 1;
1371 }
1372
1373 virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
1374 memslot.slot_id = slot_id;
1375 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1376 memslot.virt_start = virt_start + (guest_start - pci_start);
1377 memslot.virt_end = virt_start + (guest_end - pci_start);
1378 memslot.addr_delta = memslot.virt_start - delta;
1379 memslot.generation = d->rom->slot_generation = 0;
1380 qxl_rom_set_dirty(d);
1381
1382 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1383 d->guest_slots[slot_id].mr = mr;
1384 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start;
1385 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1386 d->guest_slots[slot_id].delta = delta;
1387 d->guest_slots[slot_id].active = 1;
1388 return 0;
1389 }
1390
1391 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1392 {
1393 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1394 d->guest_slots[slot_id].active = 0;
1395 }
1396
1397 static void qxl_reset_memslots(PCIQXLDevice *d)
1398 {
1399 qxl_spice_reset_memslots(d);
1400 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1401 }
1402
1403 static void qxl_reset_surfaces(PCIQXLDevice *d)
1404 {
1405 trace_qxl_reset_surfaces(d->id);
1406 d->mode = QXL_MODE_UNDEFINED;
1407 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1408 }
1409
1410 /* can be also called from spice server thread context */
1411 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1412 uint32_t *s, uint64_t *o)
1413 {
1414 uint64_t phys = le64_to_cpu(pqxl);
1415 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1416 uint64_t offset = phys & 0xffffffffffff;
1417
1418 if (slot >= NUM_MEMSLOTS) {
1419 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1420 NUM_MEMSLOTS);
1421 return false;
1422 }
1423 if (!qxl->guest_slots[slot].active) {
1424 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1425 return false;
1426 }
1427 if (offset < qxl->guest_slots[slot].delta) {
1428 qxl_set_guest_bug(qxl,
1429 "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1430 slot, offset, qxl->guest_slots[slot].delta);
1431 return false;
1432 }
1433 offset -= qxl->guest_slots[slot].delta;
1434 if (offset > qxl->guest_slots[slot].size) {
1435 qxl_set_guest_bug(qxl,
1436 "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1437 slot, offset, qxl->guest_slots[slot].size);
1438 return false;
1439 }
1440
1441 *s = slot;
1442 *o = offset;
1443 return true;
1444 }
1445
1446 /* can be also called from spice server thread context */
1447 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1448 {
1449 uint64_t offset;
1450 uint32_t slot;
1451 void *ptr;
1452
1453 switch (group_id) {
1454 case MEMSLOT_GROUP_HOST:
1455 offset = le64_to_cpu(pqxl) & 0xffffffffffff;
1456 return (void *)(intptr_t)offset;
1457 case MEMSLOT_GROUP_GUEST:
1458 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) {
1459 return NULL;
1460 }
1461 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr);
1462 ptr += qxl->guest_slots[slot].offset;
1463 ptr += offset;
1464 return ptr;
1465 }
1466 return NULL;
1467 }
1468
1469 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1470 {
1471 /* for local rendering */
1472 qxl_render_resize(qxl);
1473 }
1474
1475 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1476 qxl_async_io async)
1477 {
1478 QXLDevSurfaceCreate surface;
1479 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1480 uint32_t requested_height = le32_to_cpu(sc->height);
1481 int requested_stride = le32_to_cpu(sc->stride);
1482
1483 if (requested_stride == INT32_MIN ||
1484 abs(requested_stride) * (uint64_t)requested_height
1485 > qxl->vgamem_size) {
1486 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer"
1487 " stride %d x height %" PRIu32 " > %" PRIu32,
1488 __func__, requested_stride, requested_height,
1489 qxl->vgamem_size);
1490 return;
1491 }
1492
1493 if (qxl->mode == QXL_MODE_NATIVE) {
1494 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1495 __func__);
1496 }
1497 qxl_exit_vga_mode(qxl);
1498
1499 surface.format = le32_to_cpu(sc->format);
1500 surface.height = le32_to_cpu(sc->height);
1501 surface.mem = le64_to_cpu(sc->mem);
1502 surface.position = le32_to_cpu(sc->position);
1503 surface.stride = le32_to_cpu(sc->stride);
1504 surface.width = le32_to_cpu(sc->width);
1505 surface.type = le32_to_cpu(sc->type);
1506 surface.flags = le32_to_cpu(sc->flags);
1507 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1508 sc->format, sc->position);
1509 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1510 sc->flags);
1511
1512 if ((surface.stride & 0x3) != 0) {
1513 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1514 surface.stride);
1515 return;
1516 }
1517
1518 surface.mouse_mode = true;
1519 surface.group_id = MEMSLOT_GROUP_GUEST;
1520 if (loadvm) {
1521 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1522 }
1523
1524 qxl->mode = QXL_MODE_NATIVE;
1525 qxl->cmdflags = 0;
1526 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1527
1528 if (async == QXL_SYNC) {
1529 qxl_create_guest_primary_complete(qxl);
1530 }
1531 }
1532
1533 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1534 * done (in QXL_SYNC case), 0 otherwise. */
1535 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1536 {
1537 if (d->mode == QXL_MODE_UNDEFINED) {
1538 return 0;
1539 }
1540 trace_qxl_destroy_primary(d->id);
1541 d->mode = QXL_MODE_UNDEFINED;
1542 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1543 qxl_spice_reset_cursor(d);
1544 return 1;
1545 }
1546
1547 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
1548 {
1549 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1550 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1551 QXLMode *mode = d->modes->modes + modenr;
1552 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1553 QXLMemSlot slot = {
1554 .mem_start = start,
1555 .mem_end = end
1556 };
1557
1558 if (modenr >= d->modes->n_modes) {
1559 qxl_set_guest_bug(d, "mode number out of range");
1560 return;
1561 }
1562
1563 QXLSurfaceCreate surface = {
1564 .width = mode->x_res,
1565 .height = mode->y_res,
1566 .stride = -mode->x_res * 4,
1567 .format = SPICE_SURFACE_FMT_32_xRGB,
1568 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1569 .mouse_mode = true,
1570 .mem = devmem + d->shadow_rom.draw_area_offset,
1571 };
1572
1573 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1574 devmem);
1575 if (!loadvm) {
1576 qxl_hard_reset(d, 0);
1577 }
1578
1579 d->guest_slots[0].slot = slot;
1580 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1581
1582 d->guest_primary.surface = surface;
1583 qxl_create_guest_primary(d, 0, QXL_SYNC);
1584
1585 d->mode = QXL_MODE_COMPAT;
1586 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1587 if (mode->bits == 16) {
1588 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1589 }
1590 d->shadow_rom.mode = cpu_to_le32(modenr);
1591 d->rom->mode = cpu_to_le32(modenr);
1592 qxl_rom_set_dirty(d);
1593 }
1594
1595 static void ioport_write(void *opaque, hwaddr addr,
1596 uint64_t val, unsigned size)
1597 {
1598 PCIQXLDevice *d = opaque;
1599 uint32_t io_port = addr;
1600 qxl_async_io async = QXL_SYNC;
1601 uint32_t orig_io_port;
1602
1603 if (d->guest_bug && io_port != QXL_IO_RESET) {
1604 return;
1605 }
1606
1607 if (d->revision <= QXL_REVISION_STABLE_V10 &&
1608 io_port > QXL_IO_FLUSH_RELEASE) {
1609 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1610 io_port, d->revision);
1611 return;
1612 }
1613
1614 switch (io_port) {
1615 case QXL_IO_RESET:
1616 case QXL_IO_SET_MODE:
1617 case QXL_IO_MEMSLOT_ADD:
1618 case QXL_IO_MEMSLOT_DEL:
1619 case QXL_IO_CREATE_PRIMARY:
1620 case QXL_IO_UPDATE_IRQ:
1621 case QXL_IO_LOG:
1622 case QXL_IO_MEMSLOT_ADD_ASYNC:
1623 case QXL_IO_CREATE_PRIMARY_ASYNC:
1624 break;
1625 default:
1626 if (d->mode != QXL_MODE_VGA) {
1627 break;
1628 }
1629 trace_qxl_io_unexpected_vga_mode(d->id,
1630 addr, val, io_port_to_string(io_port));
1631 /* be nice to buggy guest drivers */
1632 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1633 io_port < QXL_IO_RANGE_SIZE) {
1634 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1635 }
1636 return;
1637 }
1638
1639 /* we change the io_port to avoid ifdeffery in the main switch */
1640 orig_io_port = io_port;
1641 switch (io_port) {
1642 case QXL_IO_UPDATE_AREA_ASYNC:
1643 io_port = QXL_IO_UPDATE_AREA;
1644 goto async_common;
1645 case QXL_IO_MEMSLOT_ADD_ASYNC:
1646 io_port = QXL_IO_MEMSLOT_ADD;
1647 goto async_common;
1648 case QXL_IO_CREATE_PRIMARY_ASYNC:
1649 io_port = QXL_IO_CREATE_PRIMARY;
1650 goto async_common;
1651 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1652 io_port = QXL_IO_DESTROY_PRIMARY;
1653 goto async_common;
1654 case QXL_IO_DESTROY_SURFACE_ASYNC:
1655 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1656 goto async_common;
1657 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1658 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1659 goto async_common;
1660 case QXL_IO_FLUSH_SURFACES_ASYNC:
1661 case QXL_IO_MONITORS_CONFIG_ASYNC:
1662 async_common:
1663 async = QXL_ASYNC;
1664 WITH_QEMU_LOCK_GUARD(&d->async_lock) {
1665 if (d->current_async != QXL_UNDEFINED_IO) {
1666 qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1667 io_port, d->current_async);
1668 return;
1669 }
1670 d->current_async = orig_io_port;
1671 }
1672 break;
1673 default:
1674 break;
1675 }
1676 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode),
1677 addr, io_port_to_string(addr),
1678 val, size, async);
1679
1680 switch (io_port) {
1681 case QXL_IO_UPDATE_AREA:
1682 {
1683 QXLCookie *cookie = NULL;
1684 QXLRect update = d->ram->update_area;
1685
1686 if (d->ram->update_surface > d->ssd.num_surfaces) {
1687 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1688 d->ram->update_surface);
1689 break;
1690 }
1691 if (update.left >= update.right || update.top >= update.bottom ||
1692 update.left < 0 || update.top < 0) {
1693 qxl_set_guest_bug(d,
1694 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1695 update.left, update.top, update.right, update.bottom);
1696 if (update.left == update.right || update.top == update.bottom) {
1697 /* old drivers may provide empty area, keep going */
1698 qxl_clear_guest_bug(d);
1699 goto cancel_async;
1700 }
1701 break;
1702 }
1703 if (async == QXL_ASYNC) {
1704 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1705 QXL_IO_UPDATE_AREA_ASYNC);
1706 cookie->u.area = update;
1707 }
1708 qxl_spice_update_area(d, d->ram->update_surface,
1709 cookie ? &cookie->u.area : &update,
1710 NULL, 0, 0, async, cookie);
1711 break;
1712 }
1713 case QXL_IO_NOTIFY_CMD:
1714 qemu_spice_wakeup(&d->ssd);
1715 break;
1716 case QXL_IO_NOTIFY_CURSOR:
1717 qemu_spice_wakeup(&d->ssd);
1718 break;
1719 case QXL_IO_UPDATE_IRQ:
1720 qxl_update_irq(d);
1721 break;
1722 case QXL_IO_NOTIFY_OOM:
1723 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1724 break;
1725 }
1726 d->oom_running = 1;
1727 qxl_spice_oom(d);
1728 d->oom_running = 0;
1729 break;
1730 case QXL_IO_SET_MODE:
1731 qxl_set_mode(d, val, 0);
1732 break;
1733 case QXL_IO_LOG:
1734 #ifdef CONFIG_MODULES
1735 /*
1736 * FIXME
1737 * trace_event_get_state_backends() does not work for modules,
1738 * it leads to "undefined symbol: qemu_qxl_io_log_semaphore"
1739 */
1740 if (true) {
1741 #else
1742 if (trace_event_get_state_backends(TRACE_QXL_IO_LOG) || d->guestdebug) {
1743 #endif
1744 /* We cannot trust the guest to NUL terminate d->ram->log_buf */
1745 char *log_buf = g_strndup((const char *)d->ram->log_buf,
1746 sizeof(d->ram->log_buf));
1747 trace_qxl_io_log(d->id, log_buf);
1748 if (d->guestdebug) {
1749 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1750 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), log_buf);
1751 }
1752 g_free(log_buf);
1753 }
1754 break;
1755 case QXL_IO_RESET:
1756 qxl_hard_reset(d, 0);
1757 break;
1758 case QXL_IO_MEMSLOT_ADD:
1759 if (val >= NUM_MEMSLOTS) {
1760 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1761 break;
1762 }
1763 if (d->guest_slots[val].active) {
1764 qxl_set_guest_bug(d,
1765 "QXL_IO_MEMSLOT_ADD: memory slot already active");
1766 break;
1767 }
1768 d->guest_slots[val].slot = d->ram->mem_slot;
1769 qxl_add_memslot(d, val, 0, async);
1770 break;
1771 case QXL_IO_MEMSLOT_DEL:
1772 if (val >= NUM_MEMSLOTS) {
1773 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1774 break;
1775 }
1776 qxl_del_memslot(d, val);
1777 break;
1778 case QXL_IO_CREATE_PRIMARY:
1779 if (val != 0) {
1780 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1781 async);
1782 goto cancel_async;
1783 }
1784 d->guest_primary.surface = d->ram->create_surface;
1785 qxl_create_guest_primary(d, 0, async);
1786 break;
1787 case QXL_IO_DESTROY_PRIMARY:
1788 if (val != 0) {
1789 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1790 async);
1791 goto cancel_async;
1792 }
1793 if (!qxl_destroy_primary(d, async)) {
1794 trace_qxl_io_destroy_primary_ignored(d->id,
1795 qxl_mode_to_string(d->mode));
1796 goto cancel_async;
1797 }
1798 break;
1799 case QXL_IO_DESTROY_SURFACE_WAIT:
1800 if (val >= d->ssd.num_surfaces) {
1801 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1802 "%" PRIu64 " >= NUM_SURFACES", async, val);
1803 goto cancel_async;
1804 }
1805 qxl_spice_destroy_surface_wait(d, val, async);
1806 break;
1807 case QXL_IO_FLUSH_RELEASE: {
1808 QXLReleaseRing *ring = &d->ram->release_ring;
1809 if (ring->prod - ring->cons + 1 == ring->num_items) {
1810 fprintf(stderr,
1811 "ERROR: no flush, full release ring [p%d,%dc]\n",
1812 ring->prod, ring->cons);
1813 }
1814 qxl_push_free_res(d, 1 /* flush */);
1815 break;
1816 }
1817 case QXL_IO_FLUSH_SURFACES_ASYNC:
1818 qxl_spice_flush_surfaces_async(d);
1819 break;
1820 case QXL_IO_DESTROY_ALL_SURFACES:
1821 d->mode = QXL_MODE_UNDEFINED;
1822 qxl_spice_destroy_surfaces(d, async);
1823 break;
1824 case QXL_IO_MONITORS_CONFIG_ASYNC:
1825 qxl_spice_monitors_config_async(d, 0);
1826 break;
1827 default:
1828 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1829 }
1830 return;
1831 cancel_async:
1832 if (async) {
1833 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1834 qemu_mutex_lock(&d->async_lock);
1835 d->current_async = QXL_UNDEFINED_IO;
1836 qemu_mutex_unlock(&d->async_lock);
1837 }
1838 }
1839
1840 static uint64_t ioport_read(void *opaque, hwaddr addr,
1841 unsigned size)
1842 {
1843 PCIQXLDevice *qxl = opaque;
1844
1845 trace_qxl_io_read_unexpected(qxl->id);
1846 return 0xff;
1847 }
1848
1849 static const MemoryRegionOps qxl_io_ops = {
1850 .read = ioport_read,
1851 .write = ioport_write,
1852 .valid = {
1853 .min_access_size = 1,
1854 .max_access_size = 1,
1855 },
1856 };
1857
1858 static void qxl_update_irq_bh(void *opaque)
1859 {
1860 PCIQXLDevice *d = opaque;
1861 qxl_update_irq(d);
1862 }
1863
1864 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1865 {
1866 uint32_t old_pending;
1867 uint32_t le_events = cpu_to_le32(events);
1868
1869 trace_qxl_send_events(d->id, events);
1870 if (!qemu_spice_display_is_running(&d->ssd)) {
1871 /* spice-server tracks guest running state and should not do this */
1872 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1873 __func__);
1874 trace_qxl_send_events_vm_stopped(d->id, events);
1875 return;
1876 }
1877 /*
1878 * Older versions of Spice forgot to define the QXLRam struct
1879 * with the '__aligned__(4)' attribute. clang 7 and newer will
1880 * thus warn that qatomic_fetch_or(&d->ram->int_pending, ...)
1881 * might be a misaligned atomic access, and will generate an
1882 * out-of-line call for it, which results in a link error since
1883 * we don't currently link against libatomic.
1884 *
1885 * In fact we set up d->ram in init_qxl_ram() so it always starts
1886 * at a 4K boundary, so we know that &d->ram->int_pending is
1887 * naturally aligned for a uint32_t. Newer Spice versions
1888 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1)
1889 * will fix the bug directly. To deal with older versions,
1890 * we tell the compiler to assume the address really is aligned.
1891 * Any compiler which cares about the misalignment will have
1892 * __builtin_assume_aligned.
1893 */
1894 #ifdef HAS_ASSUME_ALIGNED
1895 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4))
1896 #else
1897 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P)
1898 #endif
1899
1900 old_pending = qatomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending),
1901 le_events);
1902 if ((old_pending & le_events) == le_events) {
1903 return;
1904 }
1905 qemu_bh_schedule(d->update_irq);
1906 }
1907
1908 /* graphics console */
1909
1910 static void qxl_hw_update(void *opaque)
1911 {
1912 PCIQXLDevice *qxl = opaque;
1913
1914 qxl_render_update(qxl);
1915 }
1916
1917 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1918 uint32_t height, int32_t stride)
1919 {
1920 uint64_t offset, size;
1921 uint32_t slot;
1922 bool rc;
1923
1924 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset);
1925 assert(rc == true);
1926 size = (uint64_t)height * abs(stride);
1927 trace_qxl_surfaces_dirty(qxl->id, offset, size);
1928 qxl_set_dirty(qxl->guest_slots[slot].mr,
1929 qxl->guest_slots[slot].offset + offset,
1930 qxl->guest_slots[slot].offset + offset + size);
1931 }
1932
1933 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1934 {
1935 int i;
1936
1937 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1938 return;
1939 }
1940
1941 /* dirty the primary surface */
1942 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem,
1943 qxl->guest_primary.surface.height,
1944 qxl->guest_primary.surface.stride);
1945
1946 /* dirty the off-screen surfaces */
1947 for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1948 QXLSurfaceCmd *cmd;
1949
1950 if (qxl->guest_surfaces.cmds[i] == 0) {
1951 continue;
1952 }
1953
1954 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1955 MEMSLOT_GROUP_GUEST);
1956 assert(cmd);
1957 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1958 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data,
1959 cmd->u.surface_create.height,
1960 cmd->u.surface_create.stride);
1961 }
1962 }
1963
1964 static void qxl_vm_change_state_handler(void *opaque, bool running,
1965 RunState state)
1966 {
1967 PCIQXLDevice *qxl = opaque;
1968
1969 if (running) {
1970 /*
1971 * if qxl_send_events was called from spice server context before
1972 * migration ended, qxl_update_irq for these events might not have been
1973 * called
1974 */
1975 qxl_update_irq(qxl);
1976 } else {
1977 /* make sure surfaces are saved before migration */
1978 qxl_dirty_surfaces(qxl);
1979 }
1980 }
1981
1982 /* display change listener */
1983
1984 static void display_update(DisplayChangeListener *dcl,
1985 int x, int y, int w, int h)
1986 {
1987 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
1988
1989 if (qxl->mode == QXL_MODE_VGA) {
1990 qemu_spice_display_update(&qxl->ssd, x, y, w, h);
1991 }
1992 }
1993
1994 static void display_switch(DisplayChangeListener *dcl,
1995 struct DisplaySurface *surface)
1996 {
1997 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
1998
1999 qxl->ssd.ds = surface;
2000 if (qxl->mode == QXL_MODE_VGA) {
2001 qemu_spice_display_switch(&qxl->ssd, surface);
2002 }
2003 }
2004
2005 static void display_refresh(DisplayChangeListener *dcl)
2006 {
2007 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2008
2009 if (qxl->mode == QXL_MODE_VGA) {
2010 qemu_spice_display_refresh(&qxl->ssd);
2011 }
2012 }
2013
2014 static DisplayChangeListenerOps display_listener_ops = {
2015 .dpy_name = "spice/qxl",
2016 .dpy_gfx_update = display_update,
2017 .dpy_gfx_switch = display_switch,
2018 .dpy_refresh = display_refresh,
2019 };
2020
2021 static void qxl_init_ramsize(PCIQXLDevice *qxl)
2022 {
2023 /* vga mode framebuffer / primary surface (bar 0, first part) */
2024 if (qxl->vgamem_size_mb < 8) {
2025 qxl->vgamem_size_mb = 8;
2026 }
2027 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
2028 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
2029 */
2030 if (qxl->vgamem_size_mb > 256) {
2031 qxl->vgamem_size_mb = 256;
2032 }
2033 qxl->vgamem_size = qxl->vgamem_size_mb * MiB;
2034
2035 /* vga ram (bar 0, total) */
2036 if (qxl->ram_size_mb != -1) {
2037 qxl->vga.vram_size = qxl->ram_size_mb * MiB;
2038 }
2039 if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
2040 qxl->vga.vram_size = qxl->vgamem_size * 2;
2041 }
2042
2043 /* vram32 (surfaces, 32bit, bar 1) */
2044 if (qxl->vram32_size_mb != -1) {
2045 qxl->vram32_size = qxl->vram32_size_mb * MiB;
2046 }
2047 if (qxl->vram32_size < 4096) {
2048 qxl->vram32_size = 4096;
2049 }
2050
2051 /* vram (surfaces, 64bit, bar 4+5) */
2052 if (qxl->vram_size_mb != -1) {
2053 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB;
2054 }
2055 if (qxl->vram_size < qxl->vram32_size) {
2056 qxl->vram_size = qxl->vram32_size;
2057 }
2058
2059 if (qxl->revision == 1) {
2060 qxl->vram32_size = 4096;
2061 qxl->vram_size = 4096;
2062 }
2063 qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
2064 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
2065 qxl->vram32_size = pow2ceil(qxl->vram32_size);
2066 qxl->vram_size = pow2ceil(qxl->vram_size);
2067 }
2068
2069 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
2070 {
2071 uint8_t* config = qxl->pci.config;
2072 uint32_t pci_device_rev;
2073 uint32_t io_size;
2074
2075 qemu_spice_display_init_common(&qxl->ssd);
2076 qxl->mode = QXL_MODE_UNDEFINED;
2077 qxl->num_memslots = NUM_MEMSLOTS;
2078 qemu_mutex_init(&qxl->track_lock);
2079 qemu_mutex_init(&qxl->async_lock);
2080 qxl->current_async = QXL_UNDEFINED_IO;
2081 qxl->guest_bug = 0;
2082
2083 switch (qxl->revision) {
2084 case 1: /* spice 0.4 -- qxl-1 */
2085 pci_device_rev = QXL_REVISION_STABLE_V04;
2086 io_size = 8;
2087 break;
2088 case 2: /* spice 0.6 -- qxl-2 */
2089 pci_device_rev = QXL_REVISION_STABLE_V06;
2090 io_size = 16;
2091 break;
2092 case 3: /* qxl-3 */
2093 pci_device_rev = QXL_REVISION_STABLE_V10;
2094 io_size = 32; /* PCI region size must be pow2 */
2095 break;
2096 case 4: /* qxl-4 */
2097 pci_device_rev = QXL_REVISION_STABLE_V12;
2098 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2099 break;
2100 case 5: /* qxl-5 */
2101 pci_device_rev = QXL_REVISION_STABLE_V12 + 1;
2102 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2103 break;
2104 default:
2105 error_setg(errp, "Invalid revision %d for qxl device (max %d)",
2106 qxl->revision, QXL_DEFAULT_REVISION);
2107 return;
2108 }
2109
2110 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
2111 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
2112
2113 qxl->rom_size = qxl_rom_size();
2114 memory_region_init_rom(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
2115 qxl->rom_size, &error_fatal);
2116 init_qxl_rom(qxl);
2117 init_qxl_ram(qxl);
2118
2119 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
2120 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
2121 qxl->vram_size, &error_fatal);
2122 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
2123 &qxl->vram_bar, 0, qxl->vram32_size);
2124
2125 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
2126 "qxl-ioports", io_size);
2127 if (qxl->have_vga) {
2128 vga_dirty_log_start(&qxl->vga);
2129 }
2130 memory_region_set_flush_coalesced(&qxl->io_bar);
2131
2132
2133 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
2134 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
2135
2136 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2137 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2138
2139 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2140 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2141
2142 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2143 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2144
2145 if (qxl->vram32_size < qxl->vram_size) {
2146 /*
2147 * Make the 64bit vram bar show up only in case it is
2148 * configured to be larger than the 32bit vram bar.
2149 */
2150 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2151 PCI_BASE_ADDRESS_SPACE_MEMORY |
2152 PCI_BASE_ADDRESS_MEM_TYPE_64 |
2153 PCI_BASE_ADDRESS_MEM_PREFETCH,
2154 &qxl->vram_bar);
2155 }
2156
2157 /* print pci bar details */
2158 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n",
2159 qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB);
2160 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n",
2161 qxl->vram32_size / MiB);
2162 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n",
2163 qxl->vram_size / MiB,
2164 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2165
2166 qxl->ssd.qxl.base.sif = &qxl_interface.base;
2167 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) {
2168 error_setg(errp, "qxl interface %d.%d not supported by spice-server",
2169 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2170 return;
2171 }
2172
2173 #if SPICE_SERVER_VERSION >= 0x000e02 /* release 0.14.2 */
2174 char device_address[256] = "";
2175 if (qemu_spice_fill_device_address(qxl->vga.con, device_address, 256)) {
2176 spice_qxl_set_device_info(&qxl->ssd.qxl,
2177 device_address,
2178 0,
2179 qxl->max_outputs);
2180 }
2181 #endif
2182
2183 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2184
2185 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl);
2186 qxl_reset_state(qxl);
2187
2188 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2189 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd);
2190 }
2191
2192 static void qxl_realize_primary(PCIDevice *dev, Error **errp)
2193 {
2194 PCIQXLDevice *qxl = PCI_QXL(dev);
2195 VGACommonState *vga = &qxl->vga;
2196 Error *local_err = NULL;
2197
2198 qxl_init_ramsize(qxl);
2199 vga->vbe_size = qxl->vgamem_size;
2200 vga->vram_size_mb = qxl->vga.vram_size / MiB;
2201 vga_common_init(vga, OBJECT(dev));
2202 vga_init(vga, OBJECT(dev),
2203 pci_address_space(dev), pci_address_space_io(dev), false);
2204 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
2205 vga, "vga");
2206 portio_list_set_flush_coalesced(&qxl->vga_port_list);
2207 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
2208 qxl->have_vga = true;
2209
2210 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2211 qxl->id = qemu_console_get_index(vga->con); /* == channel_id */
2212 if (qxl->id != 0) {
2213 error_setg(errp, "primary qxl-vga device must be console 0 "
2214 "(first display device on the command line)");
2215 return;
2216 }
2217
2218 qxl_realize_common(qxl, &local_err);
2219 if (local_err) {
2220 error_propagate(errp, local_err);
2221 return;
2222 }
2223
2224 qxl->ssd.dcl.ops = &display_listener_ops;
2225 qxl->ssd.dcl.con = vga->con;
2226 register_displaychangelistener(&qxl->ssd.dcl);
2227 }
2228
2229 static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
2230 {
2231 PCIQXLDevice *qxl = PCI_QXL(dev);
2232
2233 qxl_init_ramsize(qxl);
2234 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
2235 qxl->vga.vram_size, &error_fatal);
2236 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
2237 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2238 qxl->ssd.dcl.con = qxl->vga.con;
2239 qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */
2240
2241 qxl_realize_common(qxl, errp);
2242 }
2243
2244 static int qxl_pre_save(void *opaque)
2245 {
2246 PCIQXLDevice* d = opaque;
2247 uint8_t *ram_start = d->vga.vram_ptr;
2248
2249 trace_qxl_pre_save(d->id);
2250 if (d->last_release == NULL) {
2251 d->last_release_offset = 0;
2252 } else {
2253 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2254 }
2255 if (d->last_release_offset >= d->vga.vram_size) {
2256 return 1;
2257 }
2258
2259 return 0;
2260 }
2261
2262 static int qxl_pre_load(void *opaque)
2263 {
2264 PCIQXLDevice* d = opaque;
2265
2266 trace_qxl_pre_load(d->id);
2267 qxl_hard_reset(d, 1);
2268 qxl_exit_vga_mode(d);
2269 return 0;
2270 }
2271
2272 static void qxl_create_memslots(PCIQXLDevice *d)
2273 {
2274 int i;
2275
2276 for (i = 0; i < NUM_MEMSLOTS; i++) {
2277 if (!d->guest_slots[i].active) {
2278 continue;
2279 }
2280 qxl_add_memslot(d, i, 0, QXL_SYNC);
2281 }
2282 }
2283
2284 static int qxl_post_load(void *opaque, int version)
2285 {
2286 PCIQXLDevice* d = opaque;
2287 uint8_t *ram_start = d->vga.vram_ptr;
2288 QXLCommandExt *cmds;
2289 int in, out, newmode;
2290
2291 assert(d->last_release_offset < d->vga.vram_size);
2292 if (d->last_release_offset == 0) {
2293 d->last_release = NULL;
2294 } else {
2295 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2296 }
2297
2298 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2299
2300 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2301 newmode = d->mode;
2302 d->mode = QXL_MODE_UNDEFINED;
2303
2304 switch (newmode) {
2305 case QXL_MODE_UNDEFINED:
2306 qxl_create_memslots(d);
2307 break;
2308 case QXL_MODE_VGA:
2309 qxl_create_memslots(d);
2310 qxl_enter_vga_mode(d);
2311 break;
2312 case QXL_MODE_NATIVE:
2313 qxl_create_memslots(d);
2314 qxl_create_guest_primary(d, 1, QXL_SYNC);
2315
2316 /* replay surface-create and cursor-set commands */
2317 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1);
2318 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2319 if (d->guest_surfaces.cmds[in] == 0) {
2320 continue;
2321 }
2322 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2323 cmds[out].cmd.type = QXL_CMD_SURFACE;
2324 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2325 out++;
2326 }
2327 if (d->guest_cursor) {
2328 cmds[out].cmd.data = d->guest_cursor;
2329 cmds[out].cmd.type = QXL_CMD_CURSOR;
2330 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2331 out++;
2332 }
2333 qxl_spice_loadvm_commands(d, cmds, out);
2334 g_free(cmds);
2335 if (d->guest_monitors_config) {
2336 qxl_spice_monitors_config_async(d, 1);
2337 }
2338 break;
2339 case QXL_MODE_COMPAT:
2340 /* note: no need to call qxl_create_memslots, qxl_set_mode
2341 * creates the mem slot. */
2342 qxl_set_mode(d, d->shadow_rom.mode, 1);
2343 break;
2344 }
2345 return 0;
2346 }
2347
2348 #define QXL_SAVE_VERSION 21
2349
2350 static bool qxl_monitors_config_needed(void *opaque)
2351 {
2352 PCIQXLDevice *qxl = opaque;
2353
2354 return qxl->guest_monitors_config != 0;
2355 }
2356
2357
2358 static const VMStateDescription qxl_memslot = {
2359 .name = "qxl-memslot",
2360 .version_id = QXL_SAVE_VERSION,
2361 .minimum_version_id = QXL_SAVE_VERSION,
2362 .fields = (VMStateField[]) {
2363 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2364 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
2365 VMSTATE_UINT32(active, struct guest_slots),
2366 VMSTATE_END_OF_LIST()
2367 }
2368 };
2369
2370 static const VMStateDescription qxl_surface = {
2371 .name = "qxl-surface",
2372 .version_id = QXL_SAVE_VERSION,
2373 .minimum_version_id = QXL_SAVE_VERSION,
2374 .fields = (VMStateField[]) {
2375 VMSTATE_UINT32(width, QXLSurfaceCreate),
2376 VMSTATE_UINT32(height, QXLSurfaceCreate),
2377 VMSTATE_INT32(stride, QXLSurfaceCreate),
2378 VMSTATE_UINT32(format, QXLSurfaceCreate),
2379 VMSTATE_UINT32(position, QXLSurfaceCreate),
2380 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2381 VMSTATE_UINT32(flags, QXLSurfaceCreate),
2382 VMSTATE_UINT32(type, QXLSurfaceCreate),
2383 VMSTATE_UINT64(mem, QXLSurfaceCreate),
2384 VMSTATE_END_OF_LIST()
2385 }
2386 };
2387
2388 static const VMStateDescription qxl_vmstate_monitors_config = {
2389 .name = "qxl/monitors-config",
2390 .version_id = 1,
2391 .minimum_version_id = 1,
2392 .needed = qxl_monitors_config_needed,
2393 .fields = (VMStateField[]) {
2394 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2395 VMSTATE_END_OF_LIST()
2396 },
2397 };
2398
2399 static const VMStateDescription qxl_vmstate = {
2400 .name = "qxl",
2401 .version_id = QXL_SAVE_VERSION,
2402 .minimum_version_id = QXL_SAVE_VERSION,
2403 .pre_save = qxl_pre_save,
2404 .pre_load = qxl_pre_load,
2405 .post_load = qxl_post_load,
2406 .fields = (VMStateField[]) {
2407 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2408 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2409 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2410 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2411 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2412 VMSTATE_UINT32(mode, PCIQXLDevice),
2413 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2414 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL),
2415 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2416 qxl_memslot, struct guest_slots),
2417 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2418 qxl_surface, QXLSurfaceCreate),
2419 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL),
2420 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2421 ssd.num_surfaces, 0,
2422 vmstate_info_uint64, uint64_t),
2423 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2424 VMSTATE_END_OF_LIST()
2425 },
2426 .subsections = (const VMStateDescription*[]) {
2427 &qxl_vmstate_monitors_config,
2428 NULL
2429 }
2430 };
2431
2432 static Property qxl_properties[] = {
2433 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB),
2434 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB),
2435 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2436 QXL_DEFAULT_REVISION),
2437 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2438 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2439 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2440 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
2441 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2442 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2443 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2444 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2445 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
2446 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0),
2447 #endif
2448 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0),
2449 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0),
2450 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false),
2451 DEFINE_PROP_END_OF_LIST(),
2452 };
2453
2454 static void qxl_pci_class_init(ObjectClass *klass, void *data)
2455 {
2456 DeviceClass *dc = DEVICE_CLASS(klass);
2457 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2458
2459 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2460 k->device_id = QXL_DEVICE_ID_STABLE;
2461 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
2462 dc->reset = qxl_reset_handler;
2463 dc->vmsd = &qxl_vmstate;
2464 device_class_set_props(dc, qxl_properties);
2465 }
2466
2467 static const TypeInfo qxl_pci_type_info = {
2468 .name = TYPE_PCI_QXL,
2469 .parent = TYPE_PCI_DEVICE,
2470 .instance_size = sizeof(PCIQXLDevice),
2471 .abstract = true,
2472 .class_init = qxl_pci_class_init,
2473 .interfaces = (InterfaceInfo[]) {
2474 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
2475 { },
2476 },
2477 };
2478
2479 static void qxl_primary_class_init(ObjectClass *klass, void *data)
2480 {
2481 DeviceClass *dc = DEVICE_CLASS(klass);
2482 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2483
2484 k->realize = qxl_realize_primary;
2485 k->romfile = "vgabios-qxl.bin";
2486 k->class_id = PCI_CLASS_DISPLAY_VGA;
2487 dc->desc = "Spice QXL GPU (primary, vga compatible)";
2488 dc->hotpluggable = false;
2489 }
2490
2491 static const TypeInfo qxl_primary_info = {
2492 .name = "qxl-vga",
2493 .parent = TYPE_PCI_QXL,
2494 .class_init = qxl_primary_class_init,
2495 };
2496 module_obj("qxl-vga");
2497
2498 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2499 {
2500 DeviceClass *dc = DEVICE_CLASS(klass);
2501 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2502
2503 k->realize = qxl_realize_secondary;
2504 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2505 dc->desc = "Spice QXL GPU (secondary)";
2506 }
2507
2508 static const TypeInfo qxl_secondary_info = {
2509 .name = "qxl",
2510 .parent = TYPE_PCI_QXL,
2511 .class_init = qxl_secondary_class_init,
2512 };
2513 module_obj("qxl");
2514
2515 static void qxl_register_types(void)
2516 {
2517 type_register_static(&qxl_pci_type_info);
2518 type_register_static(&qxl_primary_info);
2519 type_register_static(&qxl_secondary_info);
2520 }
2521
2522 type_init(qxl_register_types)
2523
2524 module_dep("ui-spice-core");
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