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libqtest: Inline g_assert_no_errno()
[qemu/armbru.git] / hw / display / qxl.c
blobe628cf128613a7a1f164f5f3467b50e691f1baf2
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-common.h"
27 #include "qemu/timer.h"
28 #include "qemu/queue.h"
29 #include "qemu/atomic.h"
30 #include "sysemu/sysemu.h"
31 #include "migration/blocker.h"
32 #include "trace.h"
33
34 #include "qxl.h"
35
36 /*
37 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
38 * such can be changed by the guest, so to avoid a guest trigerrable
39 * abort we just qxl_set_guest_bug and set the return to NULL. Still
40 * it may happen as a result of emulator bug as well.
41 */
42 #undef SPICE_RING_PROD_ITEM
43 #define SPICE_RING_PROD_ITEM(qxl, r, ret) { \
44 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
45 if (prod >= ARRAY_SIZE((r)->items)) { \
46 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
47 "%u >= %zu", prod, ARRAY_SIZE((r)->items)); \
48 ret = NULL; \
49 } else { \
50 ret = &(r)->items[prod].el; \
51 } \
52 }
53
54 #undef SPICE_RING_CONS_ITEM
55 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
56 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
57 if (cons >= ARRAY_SIZE((r)->items)) { \
58 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
59 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
60 ret = NULL; \
61 } else { \
62 ret = &(r)->items[cons].el; \
63 } \
64 }
65
66 #undef ALIGN
67 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
68
69 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
70
71 #define QXL_MODE(_x, _y, _b, _o) \
72 { .x_res = _x, \
73 .y_res = _y, \
74 .bits = _b, \
75 .stride = (_x) * (_b) / 8, \
76 .x_mili = PIXEL_SIZE * (_x), \
77 .y_mili = PIXEL_SIZE * (_y), \
78 .orientation = _o, \
79 }
80
81 #define QXL_MODE_16_32(x_res, y_res, orientation) \
82 QXL_MODE(x_res, y_res, 16, orientation), \
83 QXL_MODE(x_res, y_res, 32, orientation)
84
85 #define QXL_MODE_EX(x_res, y_res) \
86 QXL_MODE_16_32(x_res, y_res, 0), \
87 QXL_MODE_16_32(x_res, y_res, 1)
88
89 static QXLMode qxl_modes[] = {
90 QXL_MODE_EX(640, 480),
91 QXL_MODE_EX(800, 480),
92 QXL_MODE_EX(800, 600),
93 QXL_MODE_EX(832, 624),
94 QXL_MODE_EX(960, 640),
95 QXL_MODE_EX(1024, 600),
96 QXL_MODE_EX(1024, 768),
97 QXL_MODE_EX(1152, 864),
98 QXL_MODE_EX(1152, 870),
99 QXL_MODE_EX(1280, 720),
100 QXL_MODE_EX(1280, 760),
101 QXL_MODE_EX(1280, 768),
102 QXL_MODE_EX(1280, 800),
103 QXL_MODE_EX(1280, 960),
104 QXL_MODE_EX(1280, 1024),
105 QXL_MODE_EX(1360, 768),
106 QXL_MODE_EX(1366, 768),
107 QXL_MODE_EX(1400, 1050),
108 QXL_MODE_EX(1440, 900),
109 QXL_MODE_EX(1600, 900),
110 QXL_MODE_EX(1600, 1200),
111 QXL_MODE_EX(1680, 1050),
112 QXL_MODE_EX(1920, 1080),
113 /* these modes need more than 8 MB video memory */
114 QXL_MODE_EX(1920, 1200),
115 QXL_MODE_EX(1920, 1440),
116 QXL_MODE_EX(2000, 2000),
117 QXL_MODE_EX(2048, 1536),
118 QXL_MODE_EX(2048, 2048),
119 QXL_MODE_EX(2560, 1440),
120 QXL_MODE_EX(2560, 1600),
121 /* these modes need more than 16 MB video memory */
122 QXL_MODE_EX(2560, 2048),
123 QXL_MODE_EX(2800, 2100),
124 QXL_MODE_EX(3200, 2400),
125 /* these modes need more than 32 MB video memory */
126 QXL_MODE_EX(3840, 2160), /* 4k mainstream */
127 QXL_MODE_EX(4096, 2160), /* 4k */
128 /* these modes need more than 64 MB video memory */
129 QXL_MODE_EX(7680, 4320), /* 8k mainstream */
130 /* these modes need more than 128 MB video memory */
131 QXL_MODE_EX(8192, 4320), /* 8k */
132 };
133
134 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
135 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
136 static void qxl_reset_memslots(PCIQXLDevice *d);
137 static void qxl_reset_surfaces(PCIQXLDevice *d);
138 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
139
140 static void qxl_hw_update(void *opaque);
141
142 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
143 {
144 trace_qxl_set_guest_bug(qxl->id);
145 qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
146 qxl->guest_bug = 1;
147 if (qxl->guestdebug) {
148 va_list ap;
149 va_start(ap, msg);
150 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
151 vfprintf(stderr, msg, ap);
152 fprintf(stderr, "\n");
153 va_end(ap);
154 }
155 }
156
157 static void qxl_clear_guest_bug(PCIQXLDevice *qxl)
158 {
159 qxl->guest_bug = 0;
160 }
161
162 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
163 struct QXLRect *area, struct QXLRect *dirty_rects,
164 uint32_t num_dirty_rects,
165 uint32_t clear_dirty_region,
166 qxl_async_io async, struct QXLCookie *cookie)
167 {
168 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
169 area->top, area->bottom);
170 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
171 clear_dirty_region);
172 if (async == QXL_SYNC) {
173 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area,
174 dirty_rects, num_dirty_rects, clear_dirty_region);
175 } else {
176 assert(cookie != NULL);
177 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
178 clear_dirty_region, (uintptr_t)cookie);
179 }
180 }
181
182 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
183 uint32_t id)
184 {
185 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
186 qemu_mutex_lock(&qxl->track_lock);
187 qxl->guest_surfaces.cmds[id] = 0;
188 qxl->guest_surfaces.count--;
189 qemu_mutex_unlock(&qxl->track_lock);
190 }
191
192 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
193 qxl_async_io async)
194 {
195 QXLCookie *cookie;
196
197 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
198 if (async) {
199 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
200 QXL_IO_DESTROY_SURFACE_ASYNC);
201 cookie->u.surface_id = id;
202 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
203 } else {
204 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id);
205 qxl_spice_destroy_surface_wait_complete(qxl, id);
206 }
207 }
208
209 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
210 {
211 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
212 qxl->num_free_res);
213 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
214 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
215 QXL_IO_FLUSH_SURFACES_ASYNC));
216 }
217
218 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
219 uint32_t count)
220 {
221 trace_qxl_spice_loadvm_commands(qxl->id, ext, count);
222 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count);
223 }
224
225 void qxl_spice_oom(PCIQXLDevice *qxl)
226 {
227 trace_qxl_spice_oom(qxl->id);
228 spice_qxl_oom(&qxl->ssd.qxl);
229 }
230
231 void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
232 {
233 trace_qxl_spice_reset_memslots(qxl->id);
234 spice_qxl_reset_memslots(&qxl->ssd.qxl);
235 }
236
237 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
238 {
239 trace_qxl_spice_destroy_surfaces_complete(qxl->id);
240 qemu_mutex_lock(&qxl->track_lock);
241 memset(qxl->guest_surfaces.cmds, 0,
242 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces);
243 qxl->guest_surfaces.count = 0;
244 qemu_mutex_unlock(&qxl->track_lock);
245 }
246
247 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
248 {
249 trace_qxl_spice_destroy_surfaces(qxl->id, async);
250 if (async) {
251 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
252 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
253 QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
254 } else {
255 spice_qxl_destroy_surfaces(&qxl->ssd.qxl);
256 qxl_spice_destroy_surfaces_complete(qxl);
257 }
258 }
259
260 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
261 {
262 QXLMonitorsConfig *cfg;
263
264 trace_qxl_spice_monitors_config(qxl->id);
265 if (replay) {
266 /*
267 * don't use QXL_COOKIE_TYPE_IO:
268 * - we are not running yet (post_load), we will assert
269 * in send_events
270 * - this is not a guest io, but a reply, so async_io isn't set.
271 */
272 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
273 qxl->guest_monitors_config,
274 MEMSLOT_GROUP_GUEST,
275 (uintptr_t)qxl_cookie_new(
276 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
277 0));
278 } else {
279 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
280 if (qxl->max_outputs) {
281 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs);
282 }
283 #endif
284 qxl->guest_monitors_config = qxl->ram->monitors_config;
285 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
286 qxl->ram->monitors_config,
287 MEMSLOT_GROUP_GUEST,
288 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
289 QXL_IO_MONITORS_CONFIG_ASYNC));
290 }
291
292 cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST);
293 if (cfg->count == 1) {
294 qxl->guest_primary.resized = 1;
295 qxl->guest_head0_width = cfg->heads[0].width;
296 qxl->guest_head0_height = cfg->heads[0].height;
297 } else {
298 qxl->guest_head0_width = 0;
299 qxl->guest_head0_height = 0;
300 }
301 }
302
303 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
304 {
305 trace_qxl_spice_reset_image_cache(qxl->id);
306 spice_qxl_reset_image_cache(&qxl->ssd.qxl);
307 }
308
309 void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
310 {
311 trace_qxl_spice_reset_cursor(qxl->id);
312 spice_qxl_reset_cursor(&qxl->ssd.qxl);
313 qemu_mutex_lock(&qxl->track_lock);
314 qxl->guest_cursor = 0;
315 qemu_mutex_unlock(&qxl->track_lock);
316 if (qxl->ssd.cursor) {
317 cursor_put(qxl->ssd.cursor);
318 }
319 qxl->ssd.cursor = cursor_builtin_hidden();
320 }
321
322 static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
323 {
324 /*
325 * zlib xors the seed with 0xffffffff, and xors the result
326 * again with 0xffffffff; Both are not done with linux's crc32,
327 * which we want to be compatible with, so undo that.
328 */
329 return crc32(0xffffffff, p, len) ^ 0xffffffff;
330 }
331
332 static ram_addr_t qxl_rom_size(void)
333 {
334 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes))
335 #define QXL_ROM_SZ 8192
336
337 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ);
338 return QXL_ROM_SZ;
339 }
340
341 static void init_qxl_rom(PCIQXLDevice *d)
342 {
343 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
344 QXLModes *modes = (QXLModes *)(rom + 1);
345 uint32_t ram_header_size;
346 uint32_t surface0_area_size;
347 uint32_t num_pages;
348 uint32_t fb;
349 int i, n;
350
351 memset(rom, 0, d->rom_size);
352
353 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
354 rom->id = cpu_to_le32(d->id);
355 rom->log_level = cpu_to_le32(d->guestdebug);
356 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
357
358 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
359 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
360 rom->slots_start = 1;
361 rom->slots_end = NUM_MEMSLOTS - 1;
362 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces);
363
364 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
365 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
366 if (fb > d->vgamem_size) {
367 continue;
368 }
369 modes->modes[n].id = cpu_to_le32(i);
370 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res);
371 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res);
372 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits);
373 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride);
374 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
375 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
376 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation);
377 n++;
378 }
379 modes->n_modes = cpu_to_le32(n);
380
381 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
382 surface0_area_size = ALIGN(d->vgamem_size, 4096);
383 num_pages = d->vga.vram_size;
384 num_pages -= ram_header_size;
385 num_pages -= surface0_area_size;
386 num_pages = num_pages / QXL_PAGE_SIZE;
387
388 assert(ram_header_size + surface0_area_size <= d->vga.vram_size);
389
390 rom->draw_area_offset = cpu_to_le32(0);
391 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
392 rom->pages_offset = cpu_to_le32(surface0_area_size);
393 rom->num_pages = cpu_to_le32(num_pages);
394 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
395
396 if (d->xres && d->yres) {
397 /* needs linux kernel 4.12+ to work */
398 rom->client_monitors_config.count = 1;
399 rom->client_monitors_config.heads[0].left = 0;
400 rom->client_monitors_config.heads[0].top = 0;
401 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres);
402 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres);
403 rom->client_monitors_config_crc = qxl_crc32(
404 (const uint8_t *)&rom->client_monitors_config,
405 sizeof(rom->client_monitors_config));
406 }
407
408 d->shadow_rom = *rom;
409 d->rom = rom;
410 d->modes = modes;
411 }
412
413 static void init_qxl_ram(PCIQXLDevice *d)
414 {
415 uint8_t *buf;
416 uint64_t *item;
417
418 buf = d->vga.vram_ptr;
419 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
420 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
421 d->ram->int_pending = cpu_to_le32(0);
422 d->ram->int_mask = cpu_to_le32(0);
423 d->ram->update_surface = 0;
424 d->ram->monitors_config = 0;
425 SPICE_RING_INIT(&d->ram->cmd_ring);
426 SPICE_RING_INIT(&d->ram->cursor_ring);
427 SPICE_RING_INIT(&d->ram->release_ring);
428 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item);
429 assert(item);
430 *item = 0;
431 qxl_ring_set_dirty(d);
432 }
433
434 /* can be called from spice server thread context */
435 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
436 {
437 memory_region_set_dirty(mr, addr, end - addr);
438 }
439
440 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
441 {
442 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
443 }
444
445 /* called from spice server thread context only */
446 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
447 {
448 void *base = qxl->vga.vram_ptr;
449 intptr_t offset;
450
451 offset = ptr - base;
452 assert(offset < qxl->vga.vram_size);
453 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3);
454 }
455
456 /* can be called from spice server thread context */
457 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
458 {
459 ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
460 ram_addr_t end = qxl->vga.vram_size;
461 qxl_set_dirty(&qxl->vga.vram, addr, end);
462 }
463
464 /*
465 * keep track of some command state, for savevm/loadvm.
466 * called from spice server thread context only
467 */
468 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
469 {
470 switch (le32_to_cpu(ext->cmd.type)) {
471 case QXL_CMD_SURFACE:
472 {
473 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
474
475 if (!cmd) {
476 return 1;
477 }
478 uint32_t id = le32_to_cpu(cmd->surface_id);
479
480 if (id >= qxl->ssd.num_surfaces) {
481 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
482 qxl->ssd.num_surfaces);
483 return 1;
484 }
485 if (cmd->type == QXL_SURFACE_CMD_CREATE &&
486 (cmd->u.surface_create.stride & 0x03) != 0) {
487 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
488 cmd->u.surface_create.stride);
489 return 1;
490 }
491 qemu_mutex_lock(&qxl->track_lock);
492 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
493 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
494 qxl->guest_surfaces.count++;
495 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
496 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
497 }
498 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
499 qxl->guest_surfaces.cmds[id] = 0;
500 qxl->guest_surfaces.count--;
501 }
502 qemu_mutex_unlock(&qxl->track_lock);
503 break;
504 }
505 case QXL_CMD_CURSOR:
506 {
507 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
508
509 if (!cmd) {
510 return 1;
511 }
512 if (cmd->type == QXL_CURSOR_SET) {
513 qemu_mutex_lock(&qxl->track_lock);
514 qxl->guest_cursor = ext->cmd.data;
515 qemu_mutex_unlock(&qxl->track_lock);
516 }
517 if (cmd->type == QXL_CURSOR_HIDE) {
518 qemu_mutex_lock(&qxl->track_lock);
519 qxl->guest_cursor = 0;
520 qemu_mutex_unlock(&qxl->track_lock);
521 }
522 break;
523 }
524 }
525 return 0;
526 }
527
528 /* spice display interface callbacks */
529
530 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
531 {
532 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
533
534 trace_qxl_interface_attach_worker(qxl->id);
535 }
536
537 static void interface_set_compression_level(QXLInstance *sin, int level)
538 {
539 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
540
541 trace_qxl_interface_set_compression_level(qxl->id, level);
542 qxl->shadow_rom.compression_level = cpu_to_le32(level);
543 qxl->rom->compression_level = cpu_to_le32(level);
544 qxl_rom_set_dirty(qxl);
545 }
546
547 #if SPICE_NEEDS_SET_MM_TIME
548 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
549 {
550 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
551
552 if (!qemu_spice_display_is_running(&qxl->ssd)) {
553 return;
554 }
555
556 trace_qxl_interface_set_mm_time(qxl->id, mm_time);
557 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
558 qxl->rom->mm_clock = cpu_to_le32(mm_time);
559 qxl_rom_set_dirty(qxl);
560 }
561 #endif
562
563 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
564 {
565 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
566
567 trace_qxl_interface_get_init_info(qxl->id);
568 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
569 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
570 info->num_memslots = NUM_MEMSLOTS;
571 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
572 info->internal_groupslot_id = 0;
573 info->qxl_ram_size =
574 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS;
575 info->n_surfaces = qxl->ssd.num_surfaces;
576 }
577
578 static const char *qxl_mode_to_string(int mode)
579 {
580 switch (mode) {
581 case QXL_MODE_COMPAT:
582 return "compat";
583 case QXL_MODE_NATIVE:
584 return "native";
585 case QXL_MODE_UNDEFINED:
586 return "undefined";
587 case QXL_MODE_VGA:
588 return "vga";
589 }
590 return "INVALID";
591 }
592
593 static const char *io_port_to_string(uint32_t io_port)
594 {
595 if (io_port >= QXL_IO_RANGE_SIZE) {
596 return "out of range";
597 }
598 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
599 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
600 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
601 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
602 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
603 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
604 [QXL_IO_RESET] = "QXL_IO_RESET",
605 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
606 [QXL_IO_LOG] = "QXL_IO_LOG",
607 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
608 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
609 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
610 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
611 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
612 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
613 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
614 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
615 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
616 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
617 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
618 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
619 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
620 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
621 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
622 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
623 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
624 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
625 };
626 return io_port_to_string[io_port];
627 }
628
629 /* called from spice server thread context only */
630 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
631 {
632 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
633 SimpleSpiceUpdate *update;
634 QXLCommandRing *ring;
635 QXLCommand *cmd;
636 int notify, ret;
637
638 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
639
640 switch (qxl->mode) {
641 case QXL_MODE_VGA:
642 ret = false;
643 qemu_mutex_lock(&qxl->ssd.lock);
644 update = QTAILQ_FIRST(&qxl->ssd.updates);
645 if (update != NULL) {
646 QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
647 *ext = update->ext;
648 ret = true;
649 }
650 qemu_mutex_unlock(&qxl->ssd.lock);
651 if (ret) {
652 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
653 qxl_log_command(qxl, "vga", ext);
654 }
655 return ret;
656 case QXL_MODE_COMPAT:
657 case QXL_MODE_NATIVE:
658 case QXL_MODE_UNDEFINED:
659 ring = &qxl->ram->cmd_ring;
660 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
661 return false;
662 }
663 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
664 if (!cmd) {
665 return false;
666 }
667 ext->cmd = *cmd;
668 ext->group_id = MEMSLOT_GROUP_GUEST;
669 ext->flags = qxl->cmdflags;
670 SPICE_RING_POP(ring, notify);
671 qxl_ring_set_dirty(qxl);
672 if (notify) {
673 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
674 }
675 qxl->guest_primary.commands++;
676 qxl_track_command(qxl, ext);
677 qxl_log_command(qxl, "cmd", ext);
678 {
679 /*
680 * Windows 8 drivers place qxl commands in the vram
681 * (instead of the ram) bar. We can't live migrate such a
682 * guest, so add a migration blocker in case we detect
683 * this, to avoid triggering the assert in pre_save().
684 *
685 * https://cgit.freedesktop.org/spice/win32/qxl-wddm-dod/commit/?id=f6e099db39e7d0787f294d5fd0dce328b5210faa
686 */
687 void *msg = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
688 if (msg != NULL && (
689 msg < (void *)qxl->vga.vram_ptr ||
690 msg > ((void *)qxl->vga.vram_ptr + qxl->vga.vram_size))) {
691 if (!qxl->migration_blocker) {
692 Error *local_err = NULL;
693 error_setg(&qxl->migration_blocker,
694 "qxl: guest bug: command not in ram bar");
695 migrate_add_blocker(qxl->migration_blocker, &local_err);
696 if (local_err) {
697 error_report_err(local_err);
698 }
699 }
700 }
701 }
702 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
703 return true;
704 default:
705 return false;
706 }
707 }
708
709 /* called from spice server thread context only */
710 static int interface_req_cmd_notification(QXLInstance *sin)
711 {
712 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
713 int wait = 1;
714
715 trace_qxl_ring_command_req_notification(qxl->id);
716 switch (qxl->mode) {
717 case QXL_MODE_COMPAT:
718 case QXL_MODE_NATIVE:
719 case QXL_MODE_UNDEFINED:
720 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
721 qxl_ring_set_dirty(qxl);
722 break;
723 default:
724 /* nothing */
725 break;
726 }
727 return wait;
728 }
729
730 /* called from spice server thread context only */
731 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
732 {
733 QXLReleaseRing *ring = &d->ram->release_ring;
734 uint64_t *item;
735 int notify;
736
737 #define QXL_FREE_BUNCH_SIZE 32
738
739 if (ring->prod - ring->cons + 1 == ring->num_items) {
740 /* ring full -- can't push */
741 return;
742 }
743 if (!flush && d->oom_running) {
744 /* collect everything from oom handler before pushing */
745 return;
746 }
747 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
748 /* collect a bit more before pushing */
749 return;
750 }
751
752 SPICE_RING_PUSH(ring, notify);
753 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
754 d->guest_surfaces.count, d->num_free_res,
755 d->last_release, notify ? "yes" : "no");
756 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
757 ring->num_items, ring->prod, ring->cons);
758 if (notify) {
759 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
760 }
761 SPICE_RING_PROD_ITEM(d, ring, item);
762 if (!item) {
763 return;
764 }
765 *item = 0;
766 d->num_free_res = 0;
767 d->last_release = NULL;
768 qxl_ring_set_dirty(d);
769 }
770
771 /* called from spice server thread context only */
772 static void interface_release_resource(QXLInstance *sin,
773 QXLReleaseInfoExt ext)
774 {
775 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
776 QXLReleaseRing *ring;
777 uint64_t *item, id;
778
779 if (ext.group_id == MEMSLOT_GROUP_HOST) {
780 /* host group -> vga mode update request */
781 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
782 SimpleSpiceUpdate *update;
783 g_assert(cmdext->cmd.type == QXL_CMD_DRAW);
784 update = container_of(cmdext, SimpleSpiceUpdate, ext);
785 qemu_spice_destroy_update(&qxl->ssd, update);
786 return;
787 }
788
789 /*
790 * ext->info points into guest-visible memory
791 * pci bar 0, $command.release_info
792 */
793 ring = &qxl->ram->release_ring;
794 SPICE_RING_PROD_ITEM(qxl, ring, item);
795 if (!item) {
796 return;
797 }
798 if (*item == 0) {
799 /* stick head into the ring */
800 id = ext.info->id;
801 ext.info->next = 0;
802 qxl_ram_set_dirty(qxl, &ext.info->next);
803 *item = id;
804 qxl_ring_set_dirty(qxl);
805 } else {
806 /* append item to the list */
807 qxl->last_release->next = ext.info->id;
808 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
809 ext.info->next = 0;
810 qxl_ram_set_dirty(qxl, &ext.info->next);
811 }
812 qxl->last_release = ext.info;
813 qxl->num_free_res++;
814 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
815 qxl_push_free_res(qxl, 0);
816 }
817
818 /* called from spice server thread context only */
819 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
820 {
821 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
822 QXLCursorRing *ring;
823 QXLCommand *cmd;
824 int notify;
825
826 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
827
828 switch (qxl->mode) {
829 case QXL_MODE_COMPAT:
830 case QXL_MODE_NATIVE:
831 case QXL_MODE_UNDEFINED:
832 ring = &qxl->ram->cursor_ring;
833 if (SPICE_RING_IS_EMPTY(ring)) {
834 return false;
835 }
836 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
837 if (!cmd) {
838 return false;
839 }
840 ext->cmd = *cmd;
841 ext->group_id = MEMSLOT_GROUP_GUEST;
842 ext->flags = qxl->cmdflags;
843 SPICE_RING_POP(ring, notify);
844 qxl_ring_set_dirty(qxl);
845 if (notify) {
846 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
847 }
848 qxl->guest_primary.commands++;
849 qxl_track_command(qxl, ext);
850 qxl_log_command(qxl, "csr", ext);
851 if (qxl->id == 0) {
852 qxl_render_cursor(qxl, ext);
853 }
854 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
855 return true;
856 default:
857 return false;
858 }
859 }
860
861 /* called from spice server thread context only */
862 static int interface_req_cursor_notification(QXLInstance *sin)
863 {
864 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
865 int wait = 1;
866
867 trace_qxl_ring_cursor_req_notification(qxl->id);
868 switch (qxl->mode) {
869 case QXL_MODE_COMPAT:
870 case QXL_MODE_NATIVE:
871 case QXL_MODE_UNDEFINED:
872 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
873 qxl_ring_set_dirty(qxl);
874 break;
875 default:
876 /* nothing */
877 break;
878 }
879 return wait;
880 }
881
882 /* called from spice server thread context */
883 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
884 {
885 /*
886 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
887 * use by xf86-video-qxl and is defined out in the qxl windows driver.
888 * Probably was at some earlier version that is prior to git start (2009),
889 * and is still guest trigerrable.
890 */
891 fprintf(stderr, "%s: deprecated\n", __func__);
892 }
893
894 /* called from spice server thread context only */
895 static int interface_flush_resources(QXLInstance *sin)
896 {
897 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
898 int ret;
899
900 ret = qxl->num_free_res;
901 if (ret) {
902 qxl_push_free_res(qxl, 1);
903 }
904 return ret;
905 }
906
907 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
908
909 /* called from spice server thread context only */
910 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
911 {
912 uint32_t current_async;
913
914 qemu_mutex_lock(&qxl->async_lock);
915 current_async = qxl->current_async;
916 qxl->current_async = QXL_UNDEFINED_IO;
917 qemu_mutex_unlock(&qxl->async_lock);
918
919 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
920 if (!cookie) {
921 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
922 return;
923 }
924 if (cookie && current_async != cookie->io) {
925 fprintf(stderr,
926 "qxl: %s: error: current_async = %d != %"
927 PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
928 }
929 switch (current_async) {
930 case QXL_IO_MEMSLOT_ADD_ASYNC:
931 case QXL_IO_DESTROY_PRIMARY_ASYNC:
932 case QXL_IO_UPDATE_AREA_ASYNC:
933 case QXL_IO_FLUSH_SURFACES_ASYNC:
934 case QXL_IO_MONITORS_CONFIG_ASYNC:
935 break;
936 case QXL_IO_CREATE_PRIMARY_ASYNC:
937 qxl_create_guest_primary_complete(qxl);
938 break;
939 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
940 qxl_spice_destroy_surfaces_complete(qxl);
941 break;
942 case QXL_IO_DESTROY_SURFACE_ASYNC:
943 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
944 break;
945 default:
946 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
947 current_async);
948 }
949 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
950 }
951
952 /* called from spice server thread context only */
953 static void interface_update_area_complete(QXLInstance *sin,
954 uint32_t surface_id,
955 QXLRect *dirty, uint32_t num_updated_rects)
956 {
957 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
958 int i;
959 int qxl_i;
960
961 qemu_mutex_lock(&qxl->ssd.lock);
962 if (surface_id != 0 || !num_updated_rects ||
963 !qxl->render_update_cookie_num) {
964 qemu_mutex_unlock(&qxl->ssd.lock);
965 return;
966 }
967 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
968 dirty->right, dirty->top, dirty->bottom);
969 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
970 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
971 /*
972 * overflow - treat this as a full update. Not expected to be common.
973 */
974 trace_qxl_interface_update_area_complete_overflow(qxl->id,
975 QXL_NUM_DIRTY_RECTS);
976 qxl->guest_primary.resized = 1;
977 }
978 if (qxl->guest_primary.resized) {
979 /*
980 * Don't bother copying or scheduling the bh since we will flip
981 * the whole area anyway on completion of the update_area async call
982 */
983 qemu_mutex_unlock(&qxl->ssd.lock);
984 return;
985 }
986 qxl_i = qxl->num_dirty_rects;
987 for (i = 0; i < num_updated_rects; i++) {
988 qxl->dirty[qxl_i++] = dirty[i];
989 }
990 qxl->num_dirty_rects += num_updated_rects;
991 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
992 qxl->num_dirty_rects);
993 qemu_bh_schedule(qxl->update_area_bh);
994 qemu_mutex_unlock(&qxl->ssd.lock);
995 }
996
997 /* called from spice server thread context only */
998 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
999 {
1000 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1001 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
1002
1003 switch (cookie->type) {
1004 case QXL_COOKIE_TYPE_IO:
1005 interface_async_complete_io(qxl, cookie);
1006 g_free(cookie);
1007 break;
1008 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
1009 qxl_render_update_area_done(qxl, cookie);
1010 break;
1011 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
1012 break;
1013 default:
1014 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
1015 __func__, cookie->type);
1016 g_free(cookie);
1017 }
1018 }
1019
1020 /* called from spice server thread context only */
1021 static void interface_set_client_capabilities(QXLInstance *sin,
1022 uint8_t client_present,
1023 uint8_t caps[58])
1024 {
1025 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1026
1027 if (qxl->revision < 4) {
1028 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
1029 qxl->revision);
1030 return;
1031 }
1032
1033 if (runstate_check(RUN_STATE_INMIGRATE) ||
1034 runstate_check(RUN_STATE_POSTMIGRATE)) {
1035 return;
1036 }
1037
1038 qxl->shadow_rom.client_present = client_present;
1039 memcpy(qxl->shadow_rom.client_capabilities, caps,
1040 sizeof(qxl->shadow_rom.client_capabilities));
1041 qxl->rom->client_present = client_present;
1042 memcpy(qxl->rom->client_capabilities, caps,
1043 sizeof(qxl->rom->client_capabilities));
1044 qxl_rom_set_dirty(qxl);
1045
1046 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
1047 }
1048
1049 static bool qxl_rom_monitors_config_changed(QXLRom *rom,
1050 VDAgentMonitorsConfig *monitors_config,
1051 unsigned int max_outputs)
1052 {
1053 int i;
1054 unsigned int monitors_count;
1055
1056 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs);
1057
1058 if (rom->client_monitors_config.count != monitors_count) {
1059 return true;
1060 }
1061
1062 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1063 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1064 QXLURect *rect = &rom->client_monitors_config.heads[i];
1065 /* monitor->depth ignored */
1066 if ((rect->left != monitor->x) ||
1067 (rect->top != monitor->y) ||
1068 (rect->right != monitor->x + monitor->width) ||
1069 (rect->bottom != monitor->y + monitor->height)) {
1070 return true;
1071 }
1072 }
1073
1074 return false;
1075 }
1076
1077 /* called from main context only */
1078 static int interface_client_monitors_config(QXLInstance *sin,
1079 VDAgentMonitorsConfig *monitors_config)
1080 {
1081 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1082 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
1083 int i;
1084 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads);
1085 bool config_changed = false;
1086
1087 if (qxl->revision < 4) {
1088 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
1089 qxl->revision);
1090 return 0;
1091 }
1092 /*
1093 * Older windows drivers set int_mask to 0 when their ISR is called,
1094 * then later set it to ~0. So it doesn't relate to the actual interrupts
1095 * handled. However, they are old, so clearly they don't support this
1096 * interrupt
1097 */
1098 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
1099 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
1100 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
1101 qxl->ram->int_mask,
1102 monitors_config);
1103 return 0;
1104 }
1105 if (!monitors_config) {
1106 return 1;
1107 }
1108
1109 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
1110 /* limit number of outputs based on setting limit */
1111 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) {
1112 max_outputs = qxl->max_outputs;
1113 }
1114 #endif
1115
1116 config_changed = qxl_rom_monitors_config_changed(rom,
1117 monitors_config,
1118 max_outputs);
1119
1120 memset(&rom->client_monitors_config, 0,
1121 sizeof(rom->client_monitors_config));
1122 rom->client_monitors_config.count = monitors_config->num_of_monitors;
1123 /* monitors_config->flags ignored */
1124 if (rom->client_monitors_config.count >= max_outputs) {
1125 trace_qxl_client_monitors_config_capped(qxl->id,
1126 monitors_config->num_of_monitors,
1127 max_outputs);
1128 rom->client_monitors_config.count = max_outputs;
1129 }
1130 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1131 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1132 QXLURect *rect = &rom->client_monitors_config.heads[i];
1133 /* monitor->depth ignored */
1134 rect->left = monitor->x;
1135 rect->top = monitor->y;
1136 rect->right = monitor->x + monitor->width;
1137 rect->bottom = monitor->y + monitor->height;
1138 }
1139 rom->client_monitors_config_crc = qxl_crc32(
1140 (const uint8_t *)&rom->client_monitors_config,
1141 sizeof(rom->client_monitors_config));
1142 trace_qxl_client_monitors_config_crc(qxl->id,
1143 sizeof(rom->client_monitors_config),
1144 rom->client_monitors_config_crc);
1145
1146 trace_qxl_interrupt_client_monitors_config(qxl->id,
1147 rom->client_monitors_config.count,
1148 rom->client_monitors_config.heads);
1149 if (config_changed) {
1150 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1151 }
1152 return 1;
1153 }
1154
1155 static const QXLInterface qxl_interface = {
1156 .base.type = SPICE_INTERFACE_QXL,
1157 .base.description = "qxl gpu",
1158 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
1159 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
1160
1161 .attache_worker = interface_attach_worker,
1162 .set_compression_level = interface_set_compression_level,
1163 #if SPICE_NEEDS_SET_MM_TIME
1164 .set_mm_time = interface_set_mm_time,
1165 #endif
1166 .get_init_info = interface_get_init_info,
1167
1168 /* the callbacks below are called from spice server thread context */
1169 .get_command = interface_get_command,
1170 .req_cmd_notification = interface_req_cmd_notification,
1171 .release_resource = interface_release_resource,
1172 .get_cursor_command = interface_get_cursor_command,
1173 .req_cursor_notification = interface_req_cursor_notification,
1174 .notify_update = interface_notify_update,
1175 .flush_resources = interface_flush_resources,
1176 .async_complete = interface_async_complete,
1177 .update_area_complete = interface_update_area_complete,
1178 .set_client_capabilities = interface_set_client_capabilities,
1179 .client_monitors_config = interface_client_monitors_config,
1180 };
1181
1182 static const GraphicHwOps qxl_ops = {
1183 .gfx_update = qxl_hw_update,
1184 };
1185
1186 static void qxl_enter_vga_mode(PCIQXLDevice *d)
1187 {
1188 if (d->mode == QXL_MODE_VGA) {
1189 return;
1190 }
1191 trace_qxl_enter_vga_mode(d->id);
1192 #if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */
1193 spice_qxl_driver_unload(&d->ssd.qxl);
1194 #endif
1195 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
1196 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
1197 qemu_spice_create_host_primary(&d->ssd);
1198 d->mode = QXL_MODE_VGA;
1199 qemu_spice_display_switch(&d->ssd, d->ssd.ds);
1200 vga_dirty_log_start(&d->vga);
1201 graphic_hw_update(d->vga.con);
1202 }
1203
1204 static void qxl_exit_vga_mode(PCIQXLDevice *d)
1205 {
1206 if (d->mode != QXL_MODE_VGA) {
1207 return;
1208 }
1209 trace_qxl_exit_vga_mode(d->id);
1210 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d);
1211 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
1212 vga_dirty_log_stop(&d->vga);
1213 qxl_destroy_primary(d, QXL_SYNC);
1214 }
1215
1216 static void qxl_update_irq(PCIQXLDevice *d)
1217 {
1218 uint32_t pending = le32_to_cpu(d->ram->int_pending);
1219 uint32_t mask = le32_to_cpu(d->ram->int_mask);
1220 int level = !!(pending & mask);
1221 pci_set_irq(&d->pci, level);
1222 qxl_ring_set_dirty(d);
1223 }
1224
1225 static void qxl_check_state(PCIQXLDevice *d)
1226 {
1227 QXLRam *ram = d->ram;
1228 int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1229
1230 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1231 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1232 }
1233
1234 static void qxl_reset_state(PCIQXLDevice *d)
1235 {
1236 QXLRom *rom = d->rom;
1237
1238 qxl_check_state(d);
1239 d->shadow_rom.update_id = cpu_to_le32(0);
1240 *rom = d->shadow_rom;
1241 qxl_rom_set_dirty(d);
1242 init_qxl_ram(d);
1243 d->num_free_res = 0;
1244 d->last_release = NULL;
1245 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1246 qxl_update_irq(d);
1247 }
1248
1249 static void qxl_soft_reset(PCIQXLDevice *d)
1250 {
1251 trace_qxl_soft_reset(d->id);
1252 qxl_check_state(d);
1253 qxl_clear_guest_bug(d);
1254 qemu_mutex_lock(&d->async_lock);
1255 d->current_async = QXL_UNDEFINED_IO;
1256 qemu_mutex_unlock(&d->async_lock);
1257
1258 if (d->id == 0) {
1259 qxl_enter_vga_mode(d);
1260 } else {
1261 d->mode = QXL_MODE_UNDEFINED;
1262 }
1263 }
1264
1265 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1266 {
1267 bool startstop = qemu_spice_display_is_running(&d->ssd);
1268
1269 trace_qxl_hard_reset(d->id, loadvm);
1270
1271 if (startstop) {
1272 qemu_spice_display_stop();
1273 }
1274
1275 qxl_spice_reset_cursor(d);
1276 qxl_spice_reset_image_cache(d);
1277 qxl_reset_surfaces(d);
1278 qxl_reset_memslots(d);
1279
1280 /* pre loadvm reset must not touch QXLRam. This lives in
1281 * device memory, is migrated together with RAM and thus
1282 * already loaded at this point */
1283 if (!loadvm) {
1284 qxl_reset_state(d);
1285 }
1286 qemu_spice_create_host_memslot(&d->ssd);
1287 qxl_soft_reset(d);
1288
1289 if (d->migration_blocker) {
1290 migrate_del_blocker(d->migration_blocker);
1291 error_free(d->migration_blocker);
1292 d->migration_blocker = NULL;
1293 }
1294
1295 if (startstop) {
1296 qemu_spice_display_start();
1297 }
1298 }
1299
1300 static void qxl_reset_handler(DeviceState *dev)
1301 {
1302 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev));
1303
1304 qxl_hard_reset(d, 0);
1305 }
1306
1307 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1308 {
1309 VGACommonState *vga = opaque;
1310 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1311
1312 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1313 if (qxl->mode != QXL_MODE_VGA) {
1314 qxl_destroy_primary(qxl, QXL_SYNC);
1315 qxl_soft_reset(qxl);
1316 }
1317 vga_ioport_write(opaque, addr, val);
1318 }
1319
1320 static const MemoryRegionPortio qxl_vga_portio_list[] = {
1321 { 0x04, 2, 1, .read = vga_ioport_read,
1322 .write = qxl_vga_ioport_write }, /* 3b4 */
1323 { 0x0a, 1, 1, .read = vga_ioport_read,
1324 .write = qxl_vga_ioport_write }, /* 3ba */
1325 { 0x10, 16, 1, .read = vga_ioport_read,
1326 .write = qxl_vga_ioport_write }, /* 3c0 */
1327 { 0x24, 2, 1, .read = vga_ioport_read,
1328 .write = qxl_vga_ioport_write }, /* 3d4 */
1329 { 0x2a, 1, 1, .read = vga_ioport_read,
1330 .write = qxl_vga_ioport_write }, /* 3da */
1331 PORTIO_END_OF_LIST(),
1332 };
1333
1334 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1335 qxl_async_io async)
1336 {
1337 static const int regions[] = {
1338 QXL_RAM_RANGE_INDEX,
1339 QXL_VRAM_RANGE_INDEX,
1340 QXL_VRAM64_RANGE_INDEX,
1341 };
1342 uint64_t guest_start;
1343 uint64_t guest_end;
1344 int pci_region;
1345 pcibus_t pci_start;
1346 pcibus_t pci_end;
1347 MemoryRegion *mr;
1348 intptr_t virt_start;
1349 QXLDevMemSlot memslot;
1350 int i;
1351
1352 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1353 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1354
1355 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1356
1357 if (slot_id >= NUM_MEMSLOTS) {
1358 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1359 slot_id, NUM_MEMSLOTS);
1360 return 1;
1361 }
1362 if (guest_start > guest_end) {
1363 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1364 " > 0x%" PRIx64, __func__, guest_start, guest_end);
1365 return 1;
1366 }
1367
1368 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1369 pci_region = regions[i];
1370 pci_start = d->pci.io_regions[pci_region].addr;
1371 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1372 /* mapped? */
1373 if (pci_start == -1) {
1374 continue;
1375 }
1376 /* start address in range ? */
1377 if (guest_start < pci_start || guest_start > pci_end) {
1378 continue;
1379 }
1380 /* end address in range ? */
1381 if (guest_end > pci_end) {
1382 continue;
1383 }
1384 /* passed */
1385 break;
1386 }
1387 if (i == ARRAY_SIZE(regions)) {
1388 qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1389 return 1;
1390 }
1391
1392 switch (pci_region) {
1393 case QXL_RAM_RANGE_INDEX:
1394 mr = &d->vga.vram;
1395 break;
1396 case QXL_VRAM_RANGE_INDEX:
1397 case 4 /* vram 64bit */:
1398 mr = &d->vram_bar;
1399 break;
1400 default:
1401 /* should not happen */
1402 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1403 return 1;
1404 }
1405
1406 virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
1407 memslot.slot_id = slot_id;
1408 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1409 memslot.virt_start = virt_start + (guest_start - pci_start);
1410 memslot.virt_end = virt_start + (guest_end - pci_start);
1411 memslot.addr_delta = memslot.virt_start - delta;
1412 memslot.generation = d->rom->slot_generation = 0;
1413 qxl_rom_set_dirty(d);
1414
1415 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1416 d->guest_slots[slot_id].mr = mr;
1417 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start;
1418 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1419 d->guest_slots[slot_id].delta = delta;
1420 d->guest_slots[slot_id].active = 1;
1421 return 0;
1422 }
1423
1424 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1425 {
1426 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1427 d->guest_slots[slot_id].active = 0;
1428 }
1429
1430 static void qxl_reset_memslots(PCIQXLDevice *d)
1431 {
1432 qxl_spice_reset_memslots(d);
1433 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1434 }
1435
1436 static void qxl_reset_surfaces(PCIQXLDevice *d)
1437 {
1438 trace_qxl_reset_surfaces(d->id);
1439 d->mode = QXL_MODE_UNDEFINED;
1440 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1441 }
1442
1443 /* can be also called from spice server thread context */
1444 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1445 uint32_t *s, uint64_t *o)
1446 {
1447 uint64_t phys = le64_to_cpu(pqxl);
1448 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1449 uint64_t offset = phys & 0xffffffffffff;
1450
1451 if (slot >= NUM_MEMSLOTS) {
1452 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1453 NUM_MEMSLOTS);
1454 return false;
1455 }
1456 if (!qxl->guest_slots[slot].active) {
1457 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1458 return false;
1459 }
1460 if (offset < qxl->guest_slots[slot].delta) {
1461 qxl_set_guest_bug(qxl,
1462 "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1463 slot, offset, qxl->guest_slots[slot].delta);
1464 return false;
1465 }
1466 offset -= qxl->guest_slots[slot].delta;
1467 if (offset > qxl->guest_slots[slot].size) {
1468 qxl_set_guest_bug(qxl,
1469 "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1470 slot, offset, qxl->guest_slots[slot].size);
1471 return false;
1472 }
1473
1474 *s = slot;
1475 *o = offset;
1476 return true;
1477 }
1478
1479 /* can be also called from spice server thread context */
1480 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1481 {
1482 uint64_t offset;
1483 uint32_t slot;
1484 void *ptr;
1485
1486 switch (group_id) {
1487 case MEMSLOT_GROUP_HOST:
1488 offset = le64_to_cpu(pqxl) & 0xffffffffffff;
1489 return (void *)(intptr_t)offset;
1490 case MEMSLOT_GROUP_GUEST:
1491 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) {
1492 return NULL;
1493 }
1494 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr);
1495 ptr += qxl->guest_slots[slot].offset;
1496 ptr += offset;
1497 return ptr;
1498 }
1499 return NULL;
1500 }
1501
1502 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1503 {
1504 /* for local rendering */
1505 qxl_render_resize(qxl);
1506 }
1507
1508 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1509 qxl_async_io async)
1510 {
1511 QXLDevSurfaceCreate surface;
1512 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1513 uint32_t requested_height = le32_to_cpu(sc->height);
1514 int requested_stride = le32_to_cpu(sc->stride);
1515
1516 if (requested_stride == INT32_MIN ||
1517 abs(requested_stride) * (uint64_t)requested_height
1518 > qxl->vgamem_size) {
1519 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer"
1520 " stride %d x height %" PRIu32 " > %" PRIu32,
1521 __func__, requested_stride, requested_height,
1522 qxl->vgamem_size);
1523 return;
1524 }
1525
1526 if (qxl->mode == QXL_MODE_NATIVE) {
1527 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1528 __func__);
1529 }
1530 qxl_exit_vga_mode(qxl);
1531
1532 surface.format = le32_to_cpu(sc->format);
1533 surface.height = le32_to_cpu(sc->height);
1534 surface.mem = le64_to_cpu(sc->mem);
1535 surface.position = le32_to_cpu(sc->position);
1536 surface.stride = le32_to_cpu(sc->stride);
1537 surface.width = le32_to_cpu(sc->width);
1538 surface.type = le32_to_cpu(sc->type);
1539 surface.flags = le32_to_cpu(sc->flags);
1540 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1541 sc->format, sc->position);
1542 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1543 sc->flags);
1544
1545 if ((surface.stride & 0x3) != 0) {
1546 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1547 surface.stride);
1548 return;
1549 }
1550
1551 surface.mouse_mode = true;
1552 surface.group_id = MEMSLOT_GROUP_GUEST;
1553 if (loadvm) {
1554 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1555 }
1556
1557 qxl->mode = QXL_MODE_NATIVE;
1558 qxl->cmdflags = 0;
1559 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1560
1561 if (async == QXL_SYNC) {
1562 qxl_create_guest_primary_complete(qxl);
1563 }
1564 }
1565
1566 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1567 * done (in QXL_SYNC case), 0 otherwise. */
1568 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1569 {
1570 if (d->mode == QXL_MODE_UNDEFINED) {
1571 return 0;
1572 }
1573 trace_qxl_destroy_primary(d->id);
1574 d->mode = QXL_MODE_UNDEFINED;
1575 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1576 qxl_spice_reset_cursor(d);
1577 return 1;
1578 }
1579
1580 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
1581 {
1582 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1583 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1584 QXLMode *mode = d->modes->modes + modenr;
1585 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1586 QXLMemSlot slot = {
1587 .mem_start = start,
1588 .mem_end = end
1589 };
1590
1591 if (modenr >= d->modes->n_modes) {
1592 qxl_set_guest_bug(d, "mode number out of range");
1593 return;
1594 }
1595
1596 QXLSurfaceCreate surface = {
1597 .width = mode->x_res,
1598 .height = mode->y_res,
1599 .stride = -mode->x_res * 4,
1600 .format = SPICE_SURFACE_FMT_32_xRGB,
1601 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1602 .mouse_mode = true,
1603 .mem = devmem + d->shadow_rom.draw_area_offset,
1604 };
1605
1606 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1607 devmem);
1608 if (!loadvm) {
1609 qxl_hard_reset(d, 0);
1610 }
1611
1612 d->guest_slots[0].slot = slot;
1613 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1614
1615 d->guest_primary.surface = surface;
1616 qxl_create_guest_primary(d, 0, QXL_SYNC);
1617
1618 d->mode = QXL_MODE_COMPAT;
1619 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1620 if (mode->bits == 16) {
1621 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1622 }
1623 d->shadow_rom.mode = cpu_to_le32(modenr);
1624 d->rom->mode = cpu_to_le32(modenr);
1625 qxl_rom_set_dirty(d);
1626 }
1627
1628 static void ioport_write(void *opaque, hwaddr addr,
1629 uint64_t val, unsigned size)
1630 {
1631 PCIQXLDevice *d = opaque;
1632 uint32_t io_port = addr;
1633 qxl_async_io async = QXL_SYNC;
1634 uint32_t orig_io_port = io_port;
1635
1636 if (d->guest_bug && io_port != QXL_IO_RESET) {
1637 return;
1638 }
1639
1640 if (d->revision <= QXL_REVISION_STABLE_V10 &&
1641 io_port > QXL_IO_FLUSH_RELEASE) {
1642 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1643 io_port, d->revision);
1644 return;
1645 }
1646
1647 switch (io_port) {
1648 case QXL_IO_RESET:
1649 case QXL_IO_SET_MODE:
1650 case QXL_IO_MEMSLOT_ADD:
1651 case QXL_IO_MEMSLOT_DEL:
1652 case QXL_IO_CREATE_PRIMARY:
1653 case QXL_IO_UPDATE_IRQ:
1654 case QXL_IO_LOG:
1655 case QXL_IO_MEMSLOT_ADD_ASYNC:
1656 case QXL_IO_CREATE_PRIMARY_ASYNC:
1657 break;
1658 default:
1659 if (d->mode != QXL_MODE_VGA) {
1660 break;
1661 }
1662 trace_qxl_io_unexpected_vga_mode(d->id,
1663 addr, val, io_port_to_string(io_port));
1664 /* be nice to buggy guest drivers */
1665 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1666 io_port < QXL_IO_RANGE_SIZE) {
1667 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1668 }
1669 return;
1670 }
1671
1672 /* we change the io_port to avoid ifdeffery in the main switch */
1673 orig_io_port = io_port;
1674 switch (io_port) {
1675 case QXL_IO_UPDATE_AREA_ASYNC:
1676 io_port = QXL_IO_UPDATE_AREA;
1677 goto async_common;
1678 case QXL_IO_MEMSLOT_ADD_ASYNC:
1679 io_port = QXL_IO_MEMSLOT_ADD;
1680 goto async_common;
1681 case QXL_IO_CREATE_PRIMARY_ASYNC:
1682 io_port = QXL_IO_CREATE_PRIMARY;
1683 goto async_common;
1684 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1685 io_port = QXL_IO_DESTROY_PRIMARY;
1686 goto async_common;
1687 case QXL_IO_DESTROY_SURFACE_ASYNC:
1688 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1689 goto async_common;
1690 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1691 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1692 goto async_common;
1693 case QXL_IO_FLUSH_SURFACES_ASYNC:
1694 case QXL_IO_MONITORS_CONFIG_ASYNC:
1695 async_common:
1696 async = QXL_ASYNC;
1697 qemu_mutex_lock(&d->async_lock);
1698 if (d->current_async != QXL_UNDEFINED_IO) {
1699 qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1700 io_port, d->current_async);
1701 qemu_mutex_unlock(&d->async_lock);
1702 return;
1703 }
1704 d->current_async = orig_io_port;
1705 qemu_mutex_unlock(&d->async_lock);
1706 break;
1707 default:
1708 break;
1709 }
1710 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode),
1711 addr, io_port_to_string(addr),
1712 val, size, async);
1713
1714 switch (io_port) {
1715 case QXL_IO_UPDATE_AREA:
1716 {
1717 QXLCookie *cookie = NULL;
1718 QXLRect update = d->ram->update_area;
1719
1720 if (d->ram->update_surface > d->ssd.num_surfaces) {
1721 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1722 d->ram->update_surface);
1723 break;
1724 }
1725 if (update.left >= update.right || update.top >= update.bottom ||
1726 update.left < 0 || update.top < 0) {
1727 qxl_set_guest_bug(d,
1728 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1729 update.left, update.top, update.right, update.bottom);
1730 if (update.left == update.right || update.top == update.bottom) {
1731 /* old drivers may provide empty area, keep going */
1732 qxl_clear_guest_bug(d);
1733 goto cancel_async;
1734 }
1735 break;
1736 }
1737 if (async == QXL_ASYNC) {
1738 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1739 QXL_IO_UPDATE_AREA_ASYNC);
1740 cookie->u.area = update;
1741 }
1742 qxl_spice_update_area(d, d->ram->update_surface,
1743 cookie ? &cookie->u.area : &update,
1744 NULL, 0, 0, async, cookie);
1745 break;
1746 }
1747 case QXL_IO_NOTIFY_CMD:
1748 qemu_spice_wakeup(&d->ssd);
1749 break;
1750 case QXL_IO_NOTIFY_CURSOR:
1751 qemu_spice_wakeup(&d->ssd);
1752 break;
1753 case QXL_IO_UPDATE_IRQ:
1754 qxl_update_irq(d);
1755 break;
1756 case QXL_IO_NOTIFY_OOM:
1757 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1758 break;
1759 }
1760 d->oom_running = 1;
1761 qxl_spice_oom(d);
1762 d->oom_running = 0;
1763 break;
1764 case QXL_IO_SET_MODE:
1765 qxl_set_mode(d, val, 0);
1766 break;
1767 case QXL_IO_LOG:
1768 trace_qxl_io_log(d->id, d->ram->log_buf);
1769 if (d->guestdebug) {
1770 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1771 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf);
1772 }
1773 break;
1774 case QXL_IO_RESET:
1775 qxl_hard_reset(d, 0);
1776 break;
1777 case QXL_IO_MEMSLOT_ADD:
1778 if (val >= NUM_MEMSLOTS) {
1779 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1780 break;
1781 }
1782 if (d->guest_slots[val].active) {
1783 qxl_set_guest_bug(d,
1784 "QXL_IO_MEMSLOT_ADD: memory slot already active");
1785 break;
1786 }
1787 d->guest_slots[val].slot = d->ram->mem_slot;
1788 qxl_add_memslot(d, val, 0, async);
1789 break;
1790 case QXL_IO_MEMSLOT_DEL:
1791 if (val >= NUM_MEMSLOTS) {
1792 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1793 break;
1794 }
1795 qxl_del_memslot(d, val);
1796 break;
1797 case QXL_IO_CREATE_PRIMARY:
1798 if (val != 0) {
1799 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1800 async);
1801 goto cancel_async;
1802 }
1803 d->guest_primary.surface = d->ram->create_surface;
1804 qxl_create_guest_primary(d, 0, async);
1805 break;
1806 case QXL_IO_DESTROY_PRIMARY:
1807 if (val != 0) {
1808 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1809 async);
1810 goto cancel_async;
1811 }
1812 if (!qxl_destroy_primary(d, async)) {
1813 trace_qxl_io_destroy_primary_ignored(d->id,
1814 qxl_mode_to_string(d->mode));
1815 goto cancel_async;
1816 }
1817 break;
1818 case QXL_IO_DESTROY_SURFACE_WAIT:
1819 if (val >= d->ssd.num_surfaces) {
1820 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1821 "%" PRIu64 " >= NUM_SURFACES", async, val);
1822 goto cancel_async;
1823 }
1824 qxl_spice_destroy_surface_wait(d, val, async);
1825 break;
1826 case QXL_IO_FLUSH_RELEASE: {
1827 QXLReleaseRing *ring = &d->ram->release_ring;
1828 if (ring->prod - ring->cons + 1 == ring->num_items) {
1829 fprintf(stderr,
1830 "ERROR: no flush, full release ring [p%d,%dc]\n",
1831 ring->prod, ring->cons);
1832 }
1833 qxl_push_free_res(d, 1 /* flush */);
1834 break;
1835 }
1836 case QXL_IO_FLUSH_SURFACES_ASYNC:
1837 qxl_spice_flush_surfaces_async(d);
1838 break;
1839 case QXL_IO_DESTROY_ALL_SURFACES:
1840 d->mode = QXL_MODE_UNDEFINED;
1841 qxl_spice_destroy_surfaces(d, async);
1842 break;
1843 case QXL_IO_MONITORS_CONFIG_ASYNC:
1844 qxl_spice_monitors_config_async(d, 0);
1845 break;
1846 default:
1847 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1848 }
1849 return;
1850 cancel_async:
1851 if (async) {
1852 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1853 qemu_mutex_lock(&d->async_lock);
1854 d->current_async = QXL_UNDEFINED_IO;
1855 qemu_mutex_unlock(&d->async_lock);
1856 }
1857 }
1858
1859 static uint64_t ioport_read(void *opaque, hwaddr addr,
1860 unsigned size)
1861 {
1862 PCIQXLDevice *qxl = opaque;
1863
1864 trace_qxl_io_read_unexpected(qxl->id);
1865 return 0xff;
1866 }
1867
1868 static const MemoryRegionOps qxl_io_ops = {
1869 .read = ioport_read,
1870 .write = ioport_write,
1871 .valid = {
1872 .min_access_size = 1,
1873 .max_access_size = 1,
1874 },
1875 };
1876
1877 static void qxl_update_irq_bh(void *opaque)
1878 {
1879 PCIQXLDevice *d = opaque;
1880 qxl_update_irq(d);
1881 }
1882
1883 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1884 {
1885 uint32_t old_pending;
1886 uint32_t le_events = cpu_to_le32(events);
1887
1888 trace_qxl_send_events(d->id, events);
1889 if (!qemu_spice_display_is_running(&d->ssd)) {
1890 /* spice-server tracks guest running state and should not do this */
1891 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1892 __func__);
1893 trace_qxl_send_events_vm_stopped(d->id, events);
1894 return;
1895 }
1896 /*
1897 * Older versions of Spice forgot to define the QXLRam struct
1898 * with the '__aligned__(4)' attribute. clang 7 and newer will
1899 * thus warn that atomic_fetch_or(&d->ram->int_pending, ...)
1900 * might be a misaligned atomic access, and will generate an
1901 * out-of-line call for it, which results in a link error since
1902 * we don't currently link against libatomic.
1903 *
1904 * In fact we set up d->ram in init_qxl_ram() so it always starts
1905 * at a 4K boundary, so we know that &d->ram->int_pending is
1906 * naturally aligned for a uint32_t. Newer Spice versions
1907 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1)
1908 * will fix the bug directly. To deal with older versions,
1909 * we tell the compiler to assume the address really is aligned.
1910 * Any compiler which cares about the misalignment will have
1911 * __builtin_assume_aligned.
1912 */
1913 #ifdef HAS_ASSUME_ALIGNED
1914 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4))
1915 #else
1916 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P)
1917 #endif
1918
1919 old_pending = atomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending),
1920 le_events);
1921 if ((old_pending & le_events) == le_events) {
1922 return;
1923 }
1924 qemu_bh_schedule(d->update_irq);
1925 }
1926
1927 /* graphics console */
1928
1929 static void qxl_hw_update(void *opaque)
1930 {
1931 PCIQXLDevice *qxl = opaque;
1932
1933 qxl_render_update(qxl);
1934 }
1935
1936 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1937 uint32_t height, int32_t stride)
1938 {
1939 uint64_t offset, size;
1940 uint32_t slot;
1941 bool rc;
1942
1943 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset);
1944 assert(rc == true);
1945 size = (uint64_t)height * abs(stride);
1946 trace_qxl_surfaces_dirty(qxl->id, offset, size);
1947 qxl_set_dirty(qxl->guest_slots[slot].mr,
1948 qxl->guest_slots[slot].offset + offset,
1949 qxl->guest_slots[slot].offset + offset + size);
1950 }
1951
1952 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1953 {
1954 int i;
1955
1956 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1957 return;
1958 }
1959
1960 /* dirty the primary surface */
1961 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem,
1962 qxl->guest_primary.surface.height,
1963 qxl->guest_primary.surface.stride);
1964
1965 /* dirty the off-screen surfaces */
1966 for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1967 QXLSurfaceCmd *cmd;
1968
1969 if (qxl->guest_surfaces.cmds[i] == 0) {
1970 continue;
1971 }
1972
1973 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1974 MEMSLOT_GROUP_GUEST);
1975 assert(cmd);
1976 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1977 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data,
1978 cmd->u.surface_create.height,
1979 cmd->u.surface_create.stride);
1980 }
1981 }
1982
1983 static void qxl_vm_change_state_handler(void *opaque, int running,
1984 RunState state)
1985 {
1986 PCIQXLDevice *qxl = opaque;
1987
1988 if (running) {
1989 /*
1990 * if qxl_send_events was called from spice server context before
1991 * migration ended, qxl_update_irq for these events might not have been
1992 * called
1993 */
1994 qxl_update_irq(qxl);
1995 } else {
1996 /* make sure surfaces are saved before migration */
1997 qxl_dirty_surfaces(qxl);
1998 }
1999 }
2000
2001 /* display change listener */
2002
2003 static void display_update(DisplayChangeListener *dcl,
2004 int x, int y, int w, int h)
2005 {
2006 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2007
2008 if (qxl->mode == QXL_MODE_VGA) {
2009 qemu_spice_display_update(&qxl->ssd, x, y, w, h);
2010 }
2011 }
2012
2013 static void display_switch(DisplayChangeListener *dcl,
2014 struct DisplaySurface *surface)
2015 {
2016 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2017
2018 qxl->ssd.ds = surface;
2019 if (qxl->mode == QXL_MODE_VGA) {
2020 qemu_spice_display_switch(&qxl->ssd, surface);
2021 }
2022 }
2023
2024 static void display_refresh(DisplayChangeListener *dcl)
2025 {
2026 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2027
2028 if (qxl->mode == QXL_MODE_VGA) {
2029 qemu_spice_display_refresh(&qxl->ssd);
2030 }
2031 }
2032
2033 static DisplayChangeListenerOps display_listener_ops = {
2034 .dpy_name = "spice/qxl",
2035 .dpy_gfx_update = display_update,
2036 .dpy_gfx_switch = display_switch,
2037 .dpy_refresh = display_refresh,
2038 };
2039
2040 static void qxl_init_ramsize(PCIQXLDevice *qxl)
2041 {
2042 /* vga mode framebuffer / primary surface (bar 0, first part) */
2043 if (qxl->vgamem_size_mb < 8) {
2044 qxl->vgamem_size_mb = 8;
2045 }
2046 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
2047 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
2048 */
2049 if (qxl->vgamem_size_mb > 256) {
2050 qxl->vgamem_size_mb = 256;
2051 }
2052 qxl->vgamem_size = qxl->vgamem_size_mb * MiB;
2053
2054 /* vga ram (bar 0, total) */
2055 if (qxl->ram_size_mb != -1) {
2056 qxl->vga.vram_size = qxl->ram_size_mb * MiB;
2057 }
2058 if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
2059 qxl->vga.vram_size = qxl->vgamem_size * 2;
2060 }
2061
2062 /* vram32 (surfaces, 32bit, bar 1) */
2063 if (qxl->vram32_size_mb != -1) {
2064 qxl->vram32_size = qxl->vram32_size_mb * MiB;
2065 }
2066 if (qxl->vram32_size < 4096) {
2067 qxl->vram32_size = 4096;
2068 }
2069
2070 /* vram (surfaces, 64bit, bar 4+5) */
2071 if (qxl->vram_size_mb != -1) {
2072 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB;
2073 }
2074 if (qxl->vram_size < qxl->vram32_size) {
2075 qxl->vram_size = qxl->vram32_size;
2076 }
2077
2078 if (qxl->revision == 1) {
2079 qxl->vram32_size = 4096;
2080 qxl->vram_size = 4096;
2081 }
2082 qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
2083 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
2084 qxl->vram32_size = pow2ceil(qxl->vram32_size);
2085 qxl->vram_size = pow2ceil(qxl->vram_size);
2086 }
2087
2088 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
2089 {
2090 uint8_t* config = qxl->pci.config;
2091 uint32_t pci_device_rev;
2092 uint32_t io_size;
2093
2094 qemu_spice_display_init_common(&qxl->ssd);
2095 qxl->mode = QXL_MODE_UNDEFINED;
2096 qxl->num_memslots = NUM_MEMSLOTS;
2097 qemu_mutex_init(&qxl->track_lock);
2098 qemu_mutex_init(&qxl->async_lock);
2099 qxl->current_async = QXL_UNDEFINED_IO;
2100 qxl->guest_bug = 0;
2101
2102 switch (qxl->revision) {
2103 case 1: /* spice 0.4 -- qxl-1 */
2104 pci_device_rev = QXL_REVISION_STABLE_V04;
2105 io_size = 8;
2106 break;
2107 case 2: /* spice 0.6 -- qxl-2 */
2108 pci_device_rev = QXL_REVISION_STABLE_V06;
2109 io_size = 16;
2110 break;
2111 case 3: /* qxl-3 */
2112 pci_device_rev = QXL_REVISION_STABLE_V10;
2113 io_size = 32; /* PCI region size must be pow2 */
2114 break;
2115 case 4: /* qxl-4 */
2116 pci_device_rev = QXL_REVISION_STABLE_V12;
2117 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2118 break;
2119 default:
2120 error_setg(errp, "Invalid revision %d for qxl device (max %d)",
2121 qxl->revision, QXL_DEFAULT_REVISION);
2122 return;
2123 }
2124
2125 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
2126 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
2127
2128 qxl->rom_size = qxl_rom_size();
2129 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
2130 qxl->rom_size, &error_fatal);
2131 init_qxl_rom(qxl);
2132 init_qxl_ram(qxl);
2133
2134 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
2135 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
2136 qxl->vram_size, &error_fatal);
2137 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
2138 &qxl->vram_bar, 0, qxl->vram32_size);
2139
2140 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
2141 "qxl-ioports", io_size);
2142 if (qxl->id == 0) {
2143 vga_dirty_log_start(&qxl->vga);
2144 }
2145 memory_region_set_flush_coalesced(&qxl->io_bar);
2146
2147
2148 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
2149 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
2150
2151 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2152 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2153
2154 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2155 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2156
2157 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2158 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2159
2160 if (qxl->vram32_size < qxl->vram_size) {
2161 /*
2162 * Make the 64bit vram bar show up only in case it is
2163 * configured to be larger than the 32bit vram bar.
2164 */
2165 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2166 PCI_BASE_ADDRESS_SPACE_MEMORY |
2167 PCI_BASE_ADDRESS_MEM_TYPE_64 |
2168 PCI_BASE_ADDRESS_MEM_PREFETCH,
2169 &qxl->vram_bar);
2170 }
2171
2172 /* print pci bar details */
2173 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n",
2174 qxl->id == 0 ? "pri" : "sec", qxl->vga.vram_size / MiB);
2175 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n",
2176 qxl->vram32_size / MiB);
2177 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n",
2178 qxl->vram_size / MiB,
2179 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2180
2181 qxl->ssd.qxl.base.sif = &qxl_interface.base;
2182 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) {
2183 error_setg(errp, "qxl interface %d.%d not supported by spice-server",
2184 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2185 return;
2186 }
2187 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2188
2189 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl);
2190 qxl_reset_state(qxl);
2191
2192 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2193 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd);
2194 }
2195
2196 static void qxl_realize_primary(PCIDevice *dev, Error **errp)
2197 {
2198 PCIQXLDevice *qxl = PCI_QXL(dev);
2199 VGACommonState *vga = &qxl->vga;
2200 Error *local_err = NULL;
2201
2202 qxl->id = 0;
2203 qxl_init_ramsize(qxl);
2204 vga->vbe_size = qxl->vgamem_size;
2205 vga->vram_size_mb = qxl->vga.vram_size / MiB;
2206 vga_common_init(vga, OBJECT(dev));
2207 vga_init(vga, OBJECT(dev),
2208 pci_address_space(dev), pci_address_space_io(dev), false);
2209 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
2210 vga, "vga");
2211 portio_list_set_flush_coalesced(&qxl->vga_port_list);
2212 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
2213
2214 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2215
2216 qxl_realize_common(qxl, &local_err);
2217 if (local_err) {
2218 error_propagate(errp, local_err);
2219 return;
2220 }
2221
2222 qxl->ssd.dcl.ops = &display_listener_ops;
2223 qxl->ssd.dcl.con = vga->con;
2224 register_displaychangelistener(&qxl->ssd.dcl);
2225 }
2226
2227 static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
2228 {
2229 static int device_id = 1;
2230 PCIQXLDevice *qxl = PCI_QXL(dev);
2231
2232 qxl->id = device_id++;
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
2239 qxl_realize_common(qxl, errp);
2240 }
2241
2242 static int qxl_pre_save(void *opaque)
2243 {
2244 PCIQXLDevice* d = opaque;
2245 uint8_t *ram_start = d->vga.vram_ptr;
2246
2247 trace_qxl_pre_save(d->id);
2248 if (d->last_release == NULL) {
2249 d->last_release_offset = 0;
2250 } else {
2251 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2252 }
2253 assert(d->last_release_offset < d->vga.vram_size);
2254
2255 return 0;
2256 }
2257
2258 static int qxl_pre_load(void *opaque)
2259 {
2260 PCIQXLDevice* d = opaque;
2261
2262 trace_qxl_pre_load(d->id);
2263 qxl_hard_reset(d, 1);
2264 qxl_exit_vga_mode(d);
2265 return 0;
2266 }
2267
2268 static void qxl_create_memslots(PCIQXLDevice *d)
2269 {
2270 int i;
2271
2272 for (i = 0; i < NUM_MEMSLOTS; i++) {
2273 if (!d->guest_slots[i].active) {
2274 continue;
2275 }
2276 qxl_add_memslot(d, i, 0, QXL_SYNC);
2277 }
2278 }
2279
2280 static int qxl_post_load(void *opaque, int version)
2281 {
2282 PCIQXLDevice* d = opaque;
2283 uint8_t *ram_start = d->vga.vram_ptr;
2284 QXLCommandExt *cmds;
2285 int in, out, newmode;
2286
2287 assert(d->last_release_offset < d->vga.vram_size);
2288 if (d->last_release_offset == 0) {
2289 d->last_release = NULL;
2290 } else {
2291 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2292 }
2293
2294 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2295
2296 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2297 newmode = d->mode;
2298 d->mode = QXL_MODE_UNDEFINED;
2299
2300 switch (newmode) {
2301 case QXL_MODE_UNDEFINED:
2302 qxl_create_memslots(d);
2303 break;
2304 case QXL_MODE_VGA:
2305 qxl_create_memslots(d);
2306 qxl_enter_vga_mode(d);
2307 break;
2308 case QXL_MODE_NATIVE:
2309 qxl_create_memslots(d);
2310 qxl_create_guest_primary(d, 1, QXL_SYNC);
2311
2312 /* replay surface-create and cursor-set commands */
2313 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1);
2314 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2315 if (d->guest_surfaces.cmds[in] == 0) {
2316 continue;
2317 }
2318 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2319 cmds[out].cmd.type = QXL_CMD_SURFACE;
2320 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2321 out++;
2322 }
2323 if (d->guest_cursor) {
2324 cmds[out].cmd.data = d->guest_cursor;
2325 cmds[out].cmd.type = QXL_CMD_CURSOR;
2326 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2327 out++;
2328 }
2329 qxl_spice_loadvm_commands(d, cmds, out);
2330 g_free(cmds);
2331 if (d->guest_monitors_config) {
2332 qxl_spice_monitors_config_async(d, 1);
2333 }
2334 break;
2335 case QXL_MODE_COMPAT:
2336 /* note: no need to call qxl_create_memslots, qxl_set_mode
2337 * creates the mem slot. */
2338 qxl_set_mode(d, d->shadow_rom.mode, 1);
2339 break;
2340 }
2341 return 0;
2342 }
2343
2344 #define QXL_SAVE_VERSION 21
2345
2346 static bool qxl_monitors_config_needed(void *opaque)
2347 {
2348 PCIQXLDevice *qxl = opaque;
2349
2350 return qxl->guest_monitors_config != 0;
2351 }
2352
2353
2354 static VMStateDescription qxl_memslot = {
2355 .name = "qxl-memslot",
2356 .version_id = QXL_SAVE_VERSION,
2357 .minimum_version_id = QXL_SAVE_VERSION,
2358 .fields = (VMStateField[]) {
2359 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2360 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
2361 VMSTATE_UINT32(active, struct guest_slots),
2362 VMSTATE_END_OF_LIST()
2363 }
2364 };
2365
2366 static VMStateDescription qxl_surface = {
2367 .name = "qxl-surface",
2368 .version_id = QXL_SAVE_VERSION,
2369 .minimum_version_id = QXL_SAVE_VERSION,
2370 .fields = (VMStateField[]) {
2371 VMSTATE_UINT32(width, QXLSurfaceCreate),
2372 VMSTATE_UINT32(height, QXLSurfaceCreate),
2373 VMSTATE_INT32(stride, QXLSurfaceCreate),
2374 VMSTATE_UINT32(format, QXLSurfaceCreate),
2375 VMSTATE_UINT32(position, QXLSurfaceCreate),
2376 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2377 VMSTATE_UINT32(flags, QXLSurfaceCreate),
2378 VMSTATE_UINT32(type, QXLSurfaceCreate),
2379 VMSTATE_UINT64(mem, QXLSurfaceCreate),
2380 VMSTATE_END_OF_LIST()
2381 }
2382 };
2383
2384 static VMStateDescription qxl_vmstate_monitors_config = {
2385 .name = "qxl/monitors-config",
2386 .version_id = 1,
2387 .minimum_version_id = 1,
2388 .needed = qxl_monitors_config_needed,
2389 .fields = (VMStateField[]) {
2390 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2391 VMSTATE_END_OF_LIST()
2392 },
2393 };
2394
2395 static VMStateDescription qxl_vmstate = {
2396 .name = "qxl",
2397 .version_id = QXL_SAVE_VERSION,
2398 .minimum_version_id = QXL_SAVE_VERSION,
2399 .pre_save = qxl_pre_save,
2400 .pre_load = qxl_pre_load,
2401 .post_load = qxl_post_load,
2402 .fields = (VMStateField[]) {
2403 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2404 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2405 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2406 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2407 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2408 VMSTATE_UINT32(mode, PCIQXLDevice),
2409 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2410 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL),
2411 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2412 qxl_memslot, struct guest_slots),
2413 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2414 qxl_surface, QXLSurfaceCreate),
2415 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL),
2416 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2417 ssd.num_surfaces, 0,
2418 vmstate_info_uint64, uint64_t),
2419 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2420 VMSTATE_END_OF_LIST()
2421 },
2422 .subsections = (const VMStateDescription*[]) {
2423 &qxl_vmstate_monitors_config,
2424 NULL
2425 }
2426 };
2427
2428 static Property qxl_properties[] = {
2429 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB),
2430 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB),
2431 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2432 QXL_DEFAULT_REVISION),
2433 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2434 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2435 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2436 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
2437 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2438 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2439 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2440 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2441 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
2442 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0),
2443 #endif
2444 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0),
2445 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0),
2446 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false),
2447 DEFINE_PROP_END_OF_LIST(),
2448 };
2449
2450 static void qxl_pci_class_init(ObjectClass *klass, void *data)
2451 {
2452 DeviceClass *dc = DEVICE_CLASS(klass);
2453 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2454
2455 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2456 k->device_id = QXL_DEVICE_ID_STABLE;
2457 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
2458 dc->reset = qxl_reset_handler;
2459 dc->vmsd = &qxl_vmstate;
2460 dc->props = qxl_properties;
2461 }
2462
2463 static const TypeInfo qxl_pci_type_info = {
2464 .name = TYPE_PCI_QXL,
2465 .parent = TYPE_PCI_DEVICE,
2466 .instance_size = sizeof(PCIQXLDevice),
2467 .abstract = true,
2468 .class_init = qxl_pci_class_init,
2469 .interfaces = (InterfaceInfo[]) {
2470 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
2471 { },
2472 },
2473 };
2474
2475 static void qxl_primary_class_init(ObjectClass *klass, void *data)
2476 {
2477 DeviceClass *dc = DEVICE_CLASS(klass);
2478 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2479
2480 k->realize = qxl_realize_primary;
2481 k->romfile = "vgabios-qxl.bin";
2482 k->class_id = PCI_CLASS_DISPLAY_VGA;
2483 dc->desc = "Spice QXL GPU (primary, vga compatible)";
2484 dc->hotpluggable = false;
2485 }
2486
2487 static const TypeInfo qxl_primary_info = {
2488 .name = "qxl-vga",
2489 .parent = TYPE_PCI_QXL,
2490 .class_init = qxl_primary_class_init,
2491 };
2492
2493 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2494 {
2495 DeviceClass *dc = DEVICE_CLASS(klass);
2496 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2497
2498 k->realize = qxl_realize_secondary;
2499 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2500 dc->desc = "Spice QXL GPU (secondary)";
2501 }
2502
2503 static const TypeInfo qxl_secondary_info = {
2504 .name = "qxl",
2505 .parent = TYPE_PCI_QXL,
2506 .class_init = qxl_secondary_class_init,
2507 };
2508
2509 static void qxl_register_types(void)
2510 {
2511 type_register_static(&qxl_pci_type_info);
2512 type_register_static(&qxl_primary_info);
2513 type_register_static(&qxl_secondary_info);
2514 }
2515
2516 type_init(qxl_register_types)
armbru's QEMU hackery