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qcow2: manually add more coroutine_fn annotations
[qemu.git] / hw / display / qxl.c
blob5b10f697f1872751730114b73331e23479b8adde
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_attached_worker(QXLInstance *sin)
521 {
522 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
523
524 trace_qxl_interface_attach_worker(qxl->id);
525 }
526
527 #if !(SPICE_HAS_ATTACHED_WORKER)
528 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
529 {
530 interface_attached_worker(sin);
531 }
532 #endif
533
534 static void interface_set_compression_level(QXLInstance *sin, int level)
535 {
536 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
537
538 trace_qxl_interface_set_compression_level(qxl->id, level);
539 qxl->shadow_rom.compression_level = cpu_to_le32(level);
540 qxl->rom->compression_level = cpu_to_le32(level);
541 qxl_rom_set_dirty(qxl);
542 }
543
544 #if SPICE_NEEDS_SET_MM_TIME
545 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
546 {
547 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
548
549 if (!qemu_spice_display_is_running(&qxl->ssd)) {
550 return;
551 }
552
553 trace_qxl_interface_set_mm_time(qxl->id, mm_time);
554 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
555 qxl->rom->mm_clock = cpu_to_le32(mm_time);
556 qxl_rom_set_dirty(qxl);
557 }
558 #endif
559
560 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
561 {
562 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
563
564 trace_qxl_interface_get_init_info(qxl->id);
565 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
566 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
567 info->num_memslots = NUM_MEMSLOTS;
568 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
569 info->internal_groupslot_id = 0;
570 info->qxl_ram_size =
571 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS;
572 info->n_surfaces = qxl->ssd.num_surfaces;
573 }
574
575 static const char *qxl_mode_to_string(int mode)
576 {
577 switch (mode) {
578 case QXL_MODE_COMPAT:
579 return "compat";
580 case QXL_MODE_NATIVE:
581 return "native";
582 case QXL_MODE_UNDEFINED:
583 return "undefined";
584 case QXL_MODE_VGA:
585 return "vga";
586 }
587 return "INVALID";
588 }
589
590 static const char *io_port_to_string(uint32_t io_port)
591 {
592 if (io_port >= QXL_IO_RANGE_SIZE) {
593 return "out of range";
594 }
595 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
596 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
597 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
598 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
599 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
600 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
601 [QXL_IO_RESET] = "QXL_IO_RESET",
602 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
603 [QXL_IO_LOG] = "QXL_IO_LOG",
604 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
605 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
606 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
607 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
608 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
609 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
610 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
611 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
612 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
613 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
614 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
615 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
616 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
617 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
618 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
619 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
620 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
621 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
622 };
623 return io_port_to_string[io_port];
624 }
625
626 /* called from spice server thread context only */
627 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
628 {
629 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
630 SimpleSpiceUpdate *update;
631 QXLCommandRing *ring;
632 QXLCommand *cmd;
633 int notify, ret;
634
635 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
636
637 switch (qxl->mode) {
638 case QXL_MODE_VGA:
639 ret = false;
640 qemu_mutex_lock(&qxl->ssd.lock);
641 update = QTAILQ_FIRST(&qxl->ssd.updates);
642 if (update != NULL) {
643 QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
644 *ext = update->ext;
645 ret = true;
646 }
647 qemu_mutex_unlock(&qxl->ssd.lock);
648 if (ret) {
649 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
650 qxl_log_command(qxl, "vga", ext);
651 }
652 return ret;
653 case QXL_MODE_COMPAT:
654 case QXL_MODE_NATIVE:
655 case QXL_MODE_UNDEFINED:
656 ring = &qxl->ram->cmd_ring;
657 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
658 return false;
659 }
660 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
661 if (!cmd) {
662 return false;
663 }
664 ext->cmd = *cmd;
665 ext->group_id = MEMSLOT_GROUP_GUEST;
666 ext->flags = qxl->cmdflags;
667 SPICE_RING_POP(ring, notify);
668 qxl_ring_set_dirty(qxl);
669 if (notify) {
670 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
671 }
672 qxl->guest_primary.commands++;
673 qxl_track_command(qxl, ext);
674 qxl_log_command(qxl, "cmd", ext);
675 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
676 return true;
677 default:
678 return false;
679 }
680 }
681
682 /* called from spice server thread context only */
683 static int interface_req_cmd_notification(QXLInstance *sin)
684 {
685 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
686 int wait = 1;
687
688 trace_qxl_ring_command_req_notification(qxl->id);
689 switch (qxl->mode) {
690 case QXL_MODE_COMPAT:
691 case QXL_MODE_NATIVE:
692 case QXL_MODE_UNDEFINED:
693 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
694 qxl_ring_set_dirty(qxl);
695 break;
696 default:
697 /* nothing */
698 break;
699 }
700 return wait;
701 }
702
703 /* called from spice server thread context only */
704 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
705 {
706 QXLReleaseRing *ring = &d->ram->release_ring;
707 uint32_t prod;
708 int notify;
709
710 #define QXL_FREE_BUNCH_SIZE 32
711
712 if (ring->prod - ring->cons + 1 == ring->num_items) {
713 /* ring full -- can't push */
714 return;
715 }
716 if (!flush && d->oom_running) {
717 /* collect everything from oom handler before pushing */
718 return;
719 }
720 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
721 /* collect a bit more before pushing */
722 return;
723 }
724
725 SPICE_RING_PUSH(ring, notify);
726 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
727 d->guest_surfaces.count, d->num_free_res,
728 d->last_release, notify ? "yes" : "no");
729 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
730 ring->num_items, ring->prod, ring->cons);
731 if (notify) {
732 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
733 }
734
735 ring = &d->ram->release_ring;
736 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
737 if (prod >= ARRAY_SIZE(ring->items)) {
738 qxl_set_guest_bug(d, "SPICE_RING_PROD_ITEM indices mismatch "
739 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
740 return;
741 }
742 ring->items[prod].el = 0;
743 d->num_free_res = 0;
744 d->last_release = NULL;
745 qxl_ring_set_dirty(d);
746 }
747
748 /* called from spice server thread context only */
749 static void interface_release_resource(QXLInstance *sin,
750 QXLReleaseInfoExt ext)
751 {
752 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
753 QXLReleaseRing *ring;
754 uint32_t prod;
755 uint64_t id;
756
757 if (!ext.info) {
758 return;
759 }
760 if (ext.group_id == MEMSLOT_GROUP_HOST) {
761 /* host group -> vga mode update request */
762 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
763 SimpleSpiceUpdate *update;
764 g_assert(cmdext->cmd.type == QXL_CMD_DRAW);
765 update = container_of(cmdext, SimpleSpiceUpdate, ext);
766 qemu_spice_destroy_update(&qxl->ssd, update);
767 return;
768 }
769
770 /*
771 * ext->info points into guest-visible memory
772 * pci bar 0, $command.release_info
773 */
774 ring = &qxl->ram->release_ring;
775 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
776 if (prod >= ARRAY_SIZE(ring->items)) {
777 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch "
778 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
779 return;
780 }
781 if (ring->items[prod].el == 0) {
782 /* stick head into the ring */
783 id = ext.info->id;
784 ext.info->next = 0;
785 qxl_ram_set_dirty(qxl, &ext.info->next);
786 ring->items[prod].el = id;
787 qxl_ring_set_dirty(qxl);
788 } else {
789 /* append item to the list */
790 qxl->last_release->next = ext.info->id;
791 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
792 ext.info->next = 0;
793 qxl_ram_set_dirty(qxl, &ext.info->next);
794 }
795 qxl->last_release = ext.info;
796 qxl->num_free_res++;
797 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
798 qxl_push_free_res(qxl, 0);
799 }
800
801 /* called from spice server thread context only */
802 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
803 {
804 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
805 QXLCursorRing *ring;
806 QXLCommand *cmd;
807 int notify;
808
809 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
810
811 switch (qxl->mode) {
812 case QXL_MODE_COMPAT:
813 case QXL_MODE_NATIVE:
814 case QXL_MODE_UNDEFINED:
815 ring = &qxl->ram->cursor_ring;
816 if (SPICE_RING_IS_EMPTY(ring)) {
817 return false;
818 }
819 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
820 if (!cmd) {
821 return false;
822 }
823 ext->cmd = *cmd;
824 ext->group_id = MEMSLOT_GROUP_GUEST;
825 ext->flags = qxl->cmdflags;
826 SPICE_RING_POP(ring, notify);
827 qxl_ring_set_dirty(qxl);
828 if (notify) {
829 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
830 }
831 qxl->guest_primary.commands++;
832 qxl_track_command(qxl, ext);
833 qxl_log_command(qxl, "csr", ext);
834 if (qxl->have_vga) {
835 qxl_render_cursor(qxl, ext);
836 }
837 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
838 return true;
839 default:
840 return false;
841 }
842 }
843
844 /* called from spice server thread context only */
845 static int interface_req_cursor_notification(QXLInstance *sin)
846 {
847 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
848 int wait = 1;
849
850 trace_qxl_ring_cursor_req_notification(qxl->id);
851 switch (qxl->mode) {
852 case QXL_MODE_COMPAT:
853 case QXL_MODE_NATIVE:
854 case QXL_MODE_UNDEFINED:
855 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
856 qxl_ring_set_dirty(qxl);
857 break;
858 default:
859 /* nothing */
860 break;
861 }
862 return wait;
863 }
864
865 /* called from spice server thread context */
866 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
867 {
868 /*
869 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
870 * use by xf86-video-qxl and is defined out in the qxl windows driver.
871 * Probably was at some earlier version that is prior to git start (2009),
872 * and is still guest trigerrable.
873 */
874 fprintf(stderr, "%s: deprecated\n", __func__);
875 }
876
877 /* called from spice server thread context only */
878 static int interface_flush_resources(QXLInstance *sin)
879 {
880 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
881 int ret;
882
883 ret = qxl->num_free_res;
884 if (ret) {
885 qxl_push_free_res(qxl, 1);
886 }
887 return ret;
888 }
889
890 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
891
892 /* called from spice server thread context only */
893 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
894 {
895 uint32_t current_async;
896
897 qemu_mutex_lock(&qxl->async_lock);
898 current_async = qxl->current_async;
899 qxl->current_async = QXL_UNDEFINED_IO;
900 qemu_mutex_unlock(&qxl->async_lock);
901
902 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
903 if (!cookie) {
904 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
905 return;
906 }
907 if (cookie && current_async != cookie->io) {
908 fprintf(stderr,
909 "qxl: %s: error: current_async = %d != %"
910 PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
911 }
912 switch (current_async) {
913 case QXL_IO_MEMSLOT_ADD_ASYNC:
914 case QXL_IO_DESTROY_PRIMARY_ASYNC:
915 case QXL_IO_UPDATE_AREA_ASYNC:
916 case QXL_IO_FLUSH_SURFACES_ASYNC:
917 case QXL_IO_MONITORS_CONFIG_ASYNC:
918 break;
919 case QXL_IO_CREATE_PRIMARY_ASYNC:
920 qxl_create_guest_primary_complete(qxl);
921 break;
922 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
923 qxl_spice_destroy_surfaces_complete(qxl);
924 break;
925 case QXL_IO_DESTROY_SURFACE_ASYNC:
926 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
927 break;
928 default:
929 fprintf(stderr, "qxl: %s: unexpected current_async %u\n", __func__,
930 current_async);
931 }
932 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
933 }
934
935 /* called from spice server thread context only */
936 static void interface_update_area_complete(QXLInstance *sin,
937 uint32_t surface_id,
938 QXLRect *dirty, uint32_t num_updated_rects)
939 {
940 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
941 int i;
942 int qxl_i;
943
944 QEMU_LOCK_GUARD(&qxl->ssd.lock);
945 if (surface_id != 0 || !num_updated_rects ||
946 !qxl->render_update_cookie_num) {
947 return;
948 }
949 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
950 dirty->right, dirty->top, dirty->bottom);
951 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
952 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
953 /*
954 * overflow - treat this as a full update. Not expected to be common.
955 */
956 trace_qxl_interface_update_area_complete_overflow(qxl->id,
957 QXL_NUM_DIRTY_RECTS);
958 qxl->guest_primary.resized = 1;
959 }
960 if (qxl->guest_primary.resized) {
961 /*
962 * Don't bother copying or scheduling the bh since we will flip
963 * the whole area anyway on completion of the update_area async call
964 */
965 return;
966 }
967 qxl_i = qxl->num_dirty_rects;
968 for (i = 0; i < num_updated_rects; i++) {
969 qxl->dirty[qxl_i++] = dirty[i];
970 }
971 qxl->num_dirty_rects += num_updated_rects;
972 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
973 qxl->num_dirty_rects);
974 qemu_bh_schedule(qxl->update_area_bh);
975 }
976
977 /* called from spice server thread context only */
978 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
979 {
980 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
981 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
982
983 switch (cookie->type) {
984 case QXL_COOKIE_TYPE_IO:
985 interface_async_complete_io(qxl, cookie);
986 g_free(cookie);
987 break;
988 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
989 qxl_render_update_area_done(qxl, cookie);
990 break;
991 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
992 break;
993 default:
994 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
995 __func__, cookie->type);
996 g_free(cookie);
997 }
998 }
999
1000 /* called from spice server thread context only */
1001 static void interface_set_client_capabilities(QXLInstance *sin,
1002 uint8_t client_present,
1003 uint8_t caps[58])
1004 {
1005 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1006
1007 if (qxl->revision < 4) {
1008 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
1009 qxl->revision);
1010 return;
1011 }
1012
1013 if (runstate_check(RUN_STATE_INMIGRATE) ||
1014 runstate_check(RUN_STATE_POSTMIGRATE)) {
1015 return;
1016 }
1017
1018 qxl->shadow_rom.client_present = client_present;
1019 memcpy(qxl->shadow_rom.client_capabilities, caps,
1020 sizeof(qxl->shadow_rom.client_capabilities));
1021 qxl->rom->client_present = client_present;
1022 memcpy(qxl->rom->client_capabilities, caps,
1023 sizeof(qxl->rom->client_capabilities));
1024 qxl_rom_set_dirty(qxl);
1025
1026 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
1027 }
1028
1029 static bool qxl_rom_monitors_config_changed(QXLRom *rom,
1030 VDAgentMonitorsConfig *monitors_config,
1031 unsigned int max_outputs)
1032 {
1033 int i;
1034 unsigned int monitors_count;
1035
1036 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs);
1037
1038 if (rom->client_monitors_config.count != monitors_count) {
1039 return true;
1040 }
1041
1042 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1043 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1044 QXLURect *rect = &rom->client_monitors_config.heads[i];
1045 /* monitor->depth ignored */
1046 if ((rect->left != monitor->x) ||
1047 (rect->top != monitor->y) ||
1048 (rect->right != monitor->x + monitor->width) ||
1049 (rect->bottom != monitor->y + monitor->height)) {
1050 return true;
1051 }
1052 }
1053
1054 return false;
1055 }
1056
1057 /* called from main context only */
1058 static int interface_client_monitors_config(QXLInstance *sin,
1059 VDAgentMonitorsConfig *monitors_config)
1060 {
1061 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1062 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
1063 int i;
1064 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads);
1065 bool config_changed = false;
1066
1067 if (qxl->revision < 4) {
1068 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
1069 qxl->revision);
1070 return 0;
1071 }
1072 /*
1073 * Older windows drivers set int_mask to 0 when their ISR is called,
1074 * then later set it to ~0. So it doesn't relate to the actual interrupts
1075 * handled. However, they are old, so clearly they don't support this
1076 * interrupt
1077 */
1078 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
1079 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
1080 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
1081 qxl->ram->int_mask,
1082 monitors_config);
1083 return 0;
1084 }
1085 if (!monitors_config) {
1086 return 1;
1087 }
1088
1089 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
1090 /* limit number of outputs based on setting limit */
1091 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) {
1092 max_outputs = qxl->max_outputs;
1093 }
1094 #endif
1095
1096 config_changed = qxl_rom_monitors_config_changed(rom,
1097 monitors_config,
1098 max_outputs);
1099
1100 memset(&rom->client_monitors_config, 0,
1101 sizeof(rom->client_monitors_config));
1102 rom->client_monitors_config.count = monitors_config->num_of_monitors;
1103 /* monitors_config->flags ignored */
1104 if (rom->client_monitors_config.count >= max_outputs) {
1105 trace_qxl_client_monitors_config_capped(qxl->id,
1106 monitors_config->num_of_monitors,
1107 max_outputs);
1108 rom->client_monitors_config.count = max_outputs;
1109 }
1110 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1111 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1112 QXLURect *rect = &rom->client_monitors_config.heads[i];
1113 /* monitor->depth ignored */
1114 rect->left = monitor->x;
1115 rect->top = monitor->y;
1116 rect->right = monitor->x + monitor->width;
1117 rect->bottom = monitor->y + monitor->height;
1118 }
1119 rom->client_monitors_config_crc = qxl_crc32(
1120 (const uint8_t *)&rom->client_monitors_config,
1121 sizeof(rom->client_monitors_config));
1122 trace_qxl_client_monitors_config_crc(qxl->id,
1123 sizeof(rom->client_monitors_config),
1124 rom->client_monitors_config_crc);
1125
1126 trace_qxl_interrupt_client_monitors_config(qxl->id,
1127 rom->client_monitors_config.count,
1128 rom->client_monitors_config.heads);
1129 if (config_changed) {
1130 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1131 }
1132 return 1;
1133 }
1134
1135 static const QXLInterface qxl_interface = {
1136 .base.type = SPICE_INTERFACE_QXL,
1137 .base.description = "qxl gpu",
1138 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
1139 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
1140
1141 #if SPICE_HAS_ATTACHED_WORKER
1142 .attached_worker = interface_attached_worker,
1143 #else
1144 .attache_worker = interface_attach_worker,
1145 #endif
1146
1147 .set_compression_level = interface_set_compression_level,
1148 #if SPICE_NEEDS_SET_MM_TIME
1149 .set_mm_time = interface_set_mm_time,
1150 #endif
1151 .get_init_info = interface_get_init_info,
1152
1153 /* the callbacks below are called from spice server thread context */
1154 .get_command = interface_get_command,
1155 .req_cmd_notification = interface_req_cmd_notification,
1156 .release_resource = interface_release_resource,
1157 .get_cursor_command = interface_get_cursor_command,
1158 .req_cursor_notification = interface_req_cursor_notification,
1159 .notify_update = interface_notify_update,
1160 .flush_resources = interface_flush_resources,
1161 .async_complete = interface_async_complete,
1162 .update_area_complete = interface_update_area_complete,
1163 .set_client_capabilities = interface_set_client_capabilities,
1164 .client_monitors_config = interface_client_monitors_config,
1165 };
1166
1167 static const GraphicHwOps qxl_ops = {
1168 .gfx_update = qxl_hw_update,
1169 .gfx_update_async = true,
1170 };
1171
1172 static void qxl_enter_vga_mode(PCIQXLDevice *d)
1173 {
1174 if (d->mode == QXL_MODE_VGA) {
1175 return;
1176 }
1177 trace_qxl_enter_vga_mode(d->id);
1178 spice_qxl_driver_unload(&d->ssd.qxl);
1179 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
1180 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
1181 qemu_spice_create_host_primary(&d->ssd);
1182 d->mode = QXL_MODE_VGA;
1183 qemu_spice_display_switch(&d->ssd, d->ssd.ds);
1184 vga_dirty_log_start(&d->vga);
1185 graphic_hw_update(d->vga.con);
1186 }
1187
1188 static void qxl_exit_vga_mode(PCIQXLDevice *d)
1189 {
1190 if (d->mode != QXL_MODE_VGA) {
1191 return;
1192 }
1193 trace_qxl_exit_vga_mode(d->id);
1194 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d);
1195 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
1196 vga_dirty_log_stop(&d->vga);
1197 qxl_destroy_primary(d, QXL_SYNC);
1198 }
1199
1200 static void qxl_update_irq(PCIQXLDevice *d)
1201 {
1202 uint32_t pending = le32_to_cpu(d->ram->int_pending);
1203 uint32_t mask = le32_to_cpu(d->ram->int_mask);
1204 int level = !!(pending & mask);
1205 pci_set_irq(&d->pci, level);
1206 qxl_ring_set_dirty(d);
1207 }
1208
1209 static void qxl_check_state(PCIQXLDevice *d)
1210 {
1211 QXLRam *ram = d->ram;
1212 int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1213
1214 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1215 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1216 }
1217
1218 static void qxl_reset_state(PCIQXLDevice *d)
1219 {
1220 QXLRom *rom = d->rom;
1221
1222 qxl_check_state(d);
1223 d->shadow_rom.update_id = cpu_to_le32(0);
1224 *rom = d->shadow_rom;
1225 qxl_rom_set_dirty(d);
1226 init_qxl_ram(d);
1227 d->num_free_res = 0;
1228 d->last_release = NULL;
1229 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1230 qxl_update_irq(d);
1231 }
1232
1233 static void qxl_soft_reset(PCIQXLDevice *d)
1234 {
1235 trace_qxl_soft_reset(d->id);
1236 qxl_check_state(d);
1237 qxl_clear_guest_bug(d);
1238 qemu_mutex_lock(&d->async_lock);
1239 d->current_async = QXL_UNDEFINED_IO;
1240 qemu_mutex_unlock(&d->async_lock);
1241
1242 if (d->have_vga) {
1243 qxl_enter_vga_mode(d);
1244 } else {
1245 d->mode = QXL_MODE_UNDEFINED;
1246 }
1247 }
1248
1249 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1250 {
1251 bool startstop = qemu_spice_display_is_running(&d->ssd);
1252
1253 trace_qxl_hard_reset(d->id, loadvm);
1254
1255 if (startstop) {
1256 qemu_spice_display_stop();
1257 }
1258
1259 qxl_spice_reset_cursor(d);
1260 qxl_spice_reset_image_cache(d);
1261 qxl_reset_surfaces(d);
1262 qxl_reset_memslots(d);
1263
1264 /* pre loadvm reset must not touch QXLRam. This lives in
1265 * device memory, is migrated together with RAM and thus
1266 * already loaded at this point */
1267 if (!loadvm) {
1268 qxl_reset_state(d);
1269 }
1270 qemu_spice_create_host_memslot(&d->ssd);
1271 qxl_soft_reset(d);
1272
1273 if (startstop) {
1274 qemu_spice_display_start();
1275 }
1276 }
1277
1278 static void qxl_reset_handler(DeviceState *dev)
1279 {
1280 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev));
1281
1282 qxl_hard_reset(d, 0);
1283 }
1284
1285 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1286 {
1287 VGACommonState *vga = opaque;
1288 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1289
1290 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1291 if (qxl->mode != QXL_MODE_VGA &&
1292 qxl->revision <= QXL_REVISION_STABLE_V12) {
1293 qxl_destroy_primary(qxl, QXL_SYNC);
1294 qxl_soft_reset(qxl);
1295 }
1296 vga_ioport_write(opaque, addr, val);
1297 }
1298
1299 static const MemoryRegionPortio qxl_vga_portio_list[] = {
1300 { 0x04, 2, 1, .read = vga_ioport_read,
1301 .write = qxl_vga_ioport_write }, /* 3b4 */
1302 { 0x0a, 1, 1, .read = vga_ioport_read,
1303 .write = qxl_vga_ioport_write }, /* 3ba */
1304 { 0x10, 16, 1, .read = vga_ioport_read,
1305 .write = qxl_vga_ioport_write }, /* 3c0 */
1306 { 0x24, 2, 1, .read = vga_ioport_read,
1307 .write = qxl_vga_ioport_write }, /* 3d4 */
1308 { 0x2a, 1, 1, .read = vga_ioport_read,
1309 .write = qxl_vga_ioport_write }, /* 3da */
1310 PORTIO_END_OF_LIST(),
1311 };
1312
1313 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1314 qxl_async_io async)
1315 {
1316 static const int regions[] = {
1317 QXL_RAM_RANGE_INDEX,
1318 QXL_VRAM_RANGE_INDEX,
1319 QXL_VRAM64_RANGE_INDEX,
1320 };
1321 uint64_t guest_start;
1322 uint64_t guest_end;
1323 int pci_region;
1324 pcibus_t pci_start;
1325 pcibus_t pci_end;
1326 MemoryRegion *mr;
1327 intptr_t virt_start;
1328 QXLDevMemSlot memslot;
1329 int i;
1330
1331 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1332 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1333
1334 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1335
1336 if (slot_id >= NUM_MEMSLOTS) {
1337 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1338 slot_id, NUM_MEMSLOTS);
1339 return 1;
1340 }
1341 if (guest_start > guest_end) {
1342 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1343 " > 0x%" PRIx64, __func__, guest_start, guest_end);
1344 return 1;
1345 }
1346
1347 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1348 pci_region = regions[i];
1349 pci_start = d->pci.io_regions[pci_region].addr;
1350 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1351 /* mapped? */
1352 if (pci_start == -1) {
1353 continue;
1354 }
1355 /* start address in range ? */
1356 if (guest_start < pci_start || guest_start > pci_end) {
1357 continue;
1358 }
1359 /* end address in range ? */
1360 if (guest_end > pci_end) {
1361 continue;
1362 }
1363 /* passed */
1364 break;
1365 }
1366 if (i == ARRAY_SIZE(regions)) {
1367 qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1368 return 1;
1369 }
1370
1371 switch (pci_region) {
1372 case QXL_RAM_RANGE_INDEX:
1373 mr = &d->vga.vram;
1374 break;
1375 case QXL_VRAM_RANGE_INDEX:
1376 case 4 /* vram 64bit */:
1377 mr = &d->vram_bar;
1378 break;
1379 default:
1380 /* should not happen */
1381 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1382 return 1;
1383 }
1384
1385 virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
1386 memslot.slot_id = slot_id;
1387 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1388 memslot.virt_start = virt_start + (guest_start - pci_start);
1389 memslot.virt_end = virt_start + (guest_end - pci_start);
1390 memslot.addr_delta = memslot.virt_start - delta;
1391 memslot.generation = d->rom->slot_generation = 0;
1392 qxl_rom_set_dirty(d);
1393
1394 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1395 d->guest_slots[slot_id].mr = mr;
1396 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start;
1397 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1398 d->guest_slots[slot_id].delta = delta;
1399 d->guest_slots[slot_id].active = 1;
1400 return 0;
1401 }
1402
1403 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1404 {
1405 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1406 d->guest_slots[slot_id].active = 0;
1407 }
1408
1409 static void qxl_reset_memslots(PCIQXLDevice *d)
1410 {
1411 qxl_spice_reset_memslots(d);
1412 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1413 }
1414
1415 static void qxl_reset_surfaces(PCIQXLDevice *d)
1416 {
1417 trace_qxl_reset_surfaces(d->id);
1418 d->mode = QXL_MODE_UNDEFINED;
1419 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1420 }
1421
1422 /* can be also called from spice server thread context */
1423 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1424 uint32_t *s, uint64_t *o)
1425 {
1426 uint64_t phys = le64_to_cpu(pqxl);
1427 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1428 uint64_t offset = phys & 0xffffffffffff;
1429
1430 if (slot >= NUM_MEMSLOTS) {
1431 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1432 NUM_MEMSLOTS);
1433 return false;
1434 }
1435 if (!qxl->guest_slots[slot].active) {
1436 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1437 return false;
1438 }
1439 if (offset < qxl->guest_slots[slot].delta) {
1440 qxl_set_guest_bug(qxl,
1441 "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1442 slot, offset, qxl->guest_slots[slot].delta);
1443 return false;
1444 }
1445 offset -= qxl->guest_slots[slot].delta;
1446 if (offset > qxl->guest_slots[slot].size) {
1447 qxl_set_guest_bug(qxl,
1448 "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1449 slot, offset, qxl->guest_slots[slot].size);
1450 return false;
1451 }
1452
1453 *s = slot;
1454 *o = offset;
1455 return true;
1456 }
1457
1458 /* can be also called from spice server thread context */
1459 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1460 {
1461 uint64_t offset;
1462 uint32_t slot;
1463 void *ptr;
1464
1465 switch (group_id) {
1466 case MEMSLOT_GROUP_HOST:
1467 offset = le64_to_cpu(pqxl) & 0xffffffffffff;
1468 return (void *)(intptr_t)offset;
1469 case MEMSLOT_GROUP_GUEST:
1470 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) {
1471 return NULL;
1472 }
1473 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr);
1474 ptr += qxl->guest_slots[slot].offset;
1475 ptr += offset;
1476 return ptr;
1477 }
1478 return NULL;
1479 }
1480
1481 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1482 {
1483 /* for local rendering */
1484 qxl_render_resize(qxl);
1485 }
1486
1487 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1488 qxl_async_io async)
1489 {
1490 QXLDevSurfaceCreate surface;
1491 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1492 uint32_t requested_height = le32_to_cpu(sc->height);
1493 int requested_stride = le32_to_cpu(sc->stride);
1494
1495 if (requested_stride == INT32_MIN ||
1496 abs(requested_stride) * (uint64_t)requested_height
1497 > qxl->vgamem_size) {
1498 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer"
1499 " stride %d x height %" PRIu32 " > %" PRIu32,
1500 __func__, requested_stride, requested_height,
1501 qxl->vgamem_size);
1502 return;
1503 }
1504
1505 if (qxl->mode == QXL_MODE_NATIVE) {
1506 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1507 __func__);
1508 }
1509 qxl_exit_vga_mode(qxl);
1510
1511 surface.format = le32_to_cpu(sc->format);
1512 surface.height = le32_to_cpu(sc->height);
1513 surface.mem = le64_to_cpu(sc->mem);
1514 surface.position = le32_to_cpu(sc->position);
1515 surface.stride = le32_to_cpu(sc->stride);
1516 surface.width = le32_to_cpu(sc->width);
1517 surface.type = le32_to_cpu(sc->type);
1518 surface.flags = le32_to_cpu(sc->flags);
1519 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1520 sc->format, sc->position);
1521 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1522 sc->flags);
1523
1524 if ((surface.stride & 0x3) != 0) {
1525 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1526 surface.stride);
1527 return;
1528 }
1529
1530 surface.mouse_mode = true;
1531 surface.group_id = MEMSLOT_GROUP_GUEST;
1532 if (loadvm) {
1533 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1534 }
1535
1536 qxl->mode = QXL_MODE_NATIVE;
1537 qxl->cmdflags = 0;
1538 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1539
1540 if (async == QXL_SYNC) {
1541 qxl_create_guest_primary_complete(qxl);
1542 }
1543 }
1544
1545 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1546 * done (in QXL_SYNC case), 0 otherwise. */
1547 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1548 {
1549 if (d->mode == QXL_MODE_UNDEFINED) {
1550 return 0;
1551 }
1552 trace_qxl_destroy_primary(d->id);
1553 d->mode = QXL_MODE_UNDEFINED;
1554 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1555 qxl_spice_reset_cursor(d);
1556 return 1;
1557 }
1558
1559 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
1560 {
1561 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1562 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1563 QXLMode *mode = d->modes->modes + modenr;
1564 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1565 QXLMemSlot slot = {
1566 .mem_start = start,
1567 .mem_end = end
1568 };
1569
1570 if (modenr >= d->modes->n_modes) {
1571 qxl_set_guest_bug(d, "mode number out of range");
1572 return;
1573 }
1574
1575 QXLSurfaceCreate surface = {
1576 .width = mode->x_res,
1577 .height = mode->y_res,
1578 .stride = -mode->x_res * 4,
1579 .format = SPICE_SURFACE_FMT_32_xRGB,
1580 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1581 .mouse_mode = true,
1582 .mem = devmem + d->shadow_rom.draw_area_offset,
1583 };
1584
1585 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1586 devmem);
1587 if (!loadvm) {
1588 qxl_hard_reset(d, 0);
1589 }
1590
1591 d->guest_slots[0].slot = slot;
1592 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1593
1594 d->guest_primary.surface = surface;
1595 qxl_create_guest_primary(d, 0, QXL_SYNC);
1596
1597 d->mode = QXL_MODE_COMPAT;
1598 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1599 if (mode->bits == 16) {
1600 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1601 }
1602 d->shadow_rom.mode = cpu_to_le32(modenr);
1603 d->rom->mode = cpu_to_le32(modenr);
1604 qxl_rom_set_dirty(d);
1605 }
1606
1607 static void ioport_write(void *opaque, hwaddr addr,
1608 uint64_t val, unsigned size)
1609 {
1610 PCIQXLDevice *d = opaque;
1611 uint32_t io_port = addr;
1612 qxl_async_io async = QXL_SYNC;
1613 uint32_t orig_io_port;
1614
1615 if (d->guest_bug && io_port != QXL_IO_RESET) {
1616 return;
1617 }
1618
1619 if (d->revision <= QXL_REVISION_STABLE_V10 &&
1620 io_port > QXL_IO_FLUSH_RELEASE) {
1621 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1622 io_port, d->revision);
1623 return;
1624 }
1625
1626 switch (io_port) {
1627 case QXL_IO_RESET:
1628 case QXL_IO_SET_MODE:
1629 case QXL_IO_MEMSLOT_ADD:
1630 case QXL_IO_MEMSLOT_DEL:
1631 case QXL_IO_CREATE_PRIMARY:
1632 case QXL_IO_UPDATE_IRQ:
1633 case QXL_IO_LOG:
1634 case QXL_IO_MEMSLOT_ADD_ASYNC:
1635 case QXL_IO_CREATE_PRIMARY_ASYNC:
1636 break;
1637 default:
1638 if (d->mode != QXL_MODE_VGA) {
1639 break;
1640 }
1641 trace_qxl_io_unexpected_vga_mode(d->id,
1642 addr, val, io_port_to_string(io_port));
1643 /* be nice to buggy guest drivers */
1644 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1645 io_port < QXL_IO_RANGE_SIZE) {
1646 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1647 }
1648 return;
1649 }
1650
1651 /* we change the io_port to avoid ifdeffery in the main switch */
1652 orig_io_port = io_port;
1653 switch (io_port) {
1654 case QXL_IO_UPDATE_AREA_ASYNC:
1655 io_port = QXL_IO_UPDATE_AREA;
1656 goto async_common;
1657 case QXL_IO_MEMSLOT_ADD_ASYNC:
1658 io_port = QXL_IO_MEMSLOT_ADD;
1659 goto async_common;
1660 case QXL_IO_CREATE_PRIMARY_ASYNC:
1661 io_port = QXL_IO_CREATE_PRIMARY;
1662 goto async_common;
1663 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1664 io_port = QXL_IO_DESTROY_PRIMARY;
1665 goto async_common;
1666 case QXL_IO_DESTROY_SURFACE_ASYNC:
1667 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1668 goto async_common;
1669 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1670 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1671 goto async_common;
1672 case QXL_IO_FLUSH_SURFACES_ASYNC:
1673 case QXL_IO_MONITORS_CONFIG_ASYNC:
1674 async_common:
1675 async = QXL_ASYNC;
1676 WITH_QEMU_LOCK_GUARD(&d->async_lock) {
1677 if (d->current_async != QXL_UNDEFINED_IO) {
1678 qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1679 io_port, d->current_async);
1680 return;
1681 }
1682 d->current_async = orig_io_port;
1683 }
1684 break;
1685 default:
1686 break;
1687 }
1688 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode),
1689 addr, io_port_to_string(addr),
1690 val, size, async);
1691
1692 switch (io_port) {
1693 case QXL_IO_UPDATE_AREA:
1694 {
1695 QXLCookie *cookie = NULL;
1696 QXLRect update = d->ram->update_area;
1697
1698 if (d->ram->update_surface > d->ssd.num_surfaces) {
1699 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1700 d->ram->update_surface);
1701 break;
1702 }
1703 if (update.left >= update.right || update.top >= update.bottom ||
1704 update.left < 0 || update.top < 0) {
1705 qxl_set_guest_bug(d,
1706 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1707 update.left, update.top, update.right, update.bottom);
1708 if (update.left == update.right || update.top == update.bottom) {
1709 /* old drivers may provide empty area, keep going */
1710 qxl_clear_guest_bug(d);
1711 goto cancel_async;
1712 }
1713 break;
1714 }
1715 if (async == QXL_ASYNC) {
1716 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1717 QXL_IO_UPDATE_AREA_ASYNC);
1718 cookie->u.area = update;
1719 }
1720 qxl_spice_update_area(d, d->ram->update_surface,
1721 cookie ? &cookie->u.area : &update,
1722 NULL, 0, 0, async, cookie);
1723 break;
1724 }
1725 case QXL_IO_NOTIFY_CMD:
1726 qemu_spice_wakeup(&d->ssd);
1727 break;
1728 case QXL_IO_NOTIFY_CURSOR:
1729 qemu_spice_wakeup(&d->ssd);
1730 break;
1731 case QXL_IO_UPDATE_IRQ:
1732 qxl_update_irq(d);
1733 break;
1734 case QXL_IO_NOTIFY_OOM:
1735 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1736 break;
1737 }
1738 d->oom_running = 1;
1739 qxl_spice_oom(d);
1740 d->oom_running = 0;
1741 break;
1742 case QXL_IO_SET_MODE:
1743 qxl_set_mode(d, val, 0);
1744 break;
1745 case QXL_IO_LOG:
1746 #ifdef CONFIG_MODULES
1747 /*
1748 * FIXME
1749 * trace_event_get_state_backends() does not work for modules,
1750 * it leads to "undefined symbol: qemu_qxl_io_log_semaphore"
1751 */
1752 if (true) {
1753 #else
1754 if (trace_event_get_state_backends(TRACE_QXL_IO_LOG) || d->guestdebug) {
1755 #endif
1756 /* We cannot trust the guest to NUL terminate d->ram->log_buf */
1757 char *log_buf = g_strndup((const char *)d->ram->log_buf,
1758 sizeof(d->ram->log_buf));
1759 trace_qxl_io_log(d->id, log_buf);
1760 if (d->guestdebug) {
1761 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1762 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), log_buf);
1763 }
1764 g_free(log_buf);
1765 }
1766 break;
1767 case QXL_IO_RESET:
1768 qxl_hard_reset(d, 0);
1769 break;
1770 case QXL_IO_MEMSLOT_ADD:
1771 if (val >= NUM_MEMSLOTS) {
1772 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1773 break;
1774 }
1775 if (d->guest_slots[val].active) {
1776 qxl_set_guest_bug(d,
1777 "QXL_IO_MEMSLOT_ADD: memory slot already active");
1778 break;
1779 }
1780 d->guest_slots[val].slot = d->ram->mem_slot;
1781 qxl_add_memslot(d, val, 0, async);
1782 break;
1783 case QXL_IO_MEMSLOT_DEL:
1784 if (val >= NUM_MEMSLOTS) {
1785 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1786 break;
1787 }
1788 qxl_del_memslot(d, val);
1789 break;
1790 case QXL_IO_CREATE_PRIMARY:
1791 if (val != 0) {
1792 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1793 async);
1794 goto cancel_async;
1795 }
1796 d->guest_primary.surface = d->ram->create_surface;
1797 qxl_create_guest_primary(d, 0, async);
1798 break;
1799 case QXL_IO_DESTROY_PRIMARY:
1800 if (val != 0) {
1801 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1802 async);
1803 goto cancel_async;
1804 }
1805 if (!qxl_destroy_primary(d, async)) {
1806 trace_qxl_io_destroy_primary_ignored(d->id,
1807 qxl_mode_to_string(d->mode));
1808 goto cancel_async;
1809 }
1810 break;
1811 case QXL_IO_DESTROY_SURFACE_WAIT:
1812 if (val >= d->ssd.num_surfaces) {
1813 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1814 "%" PRIu64 " >= NUM_SURFACES", async, val);
1815 goto cancel_async;
1816 }
1817 qxl_spice_destroy_surface_wait(d, val, async);
1818 break;
1819 case QXL_IO_FLUSH_RELEASE: {
1820 QXLReleaseRing *ring = &d->ram->release_ring;
1821 if (ring->prod - ring->cons + 1 == ring->num_items) {
1822 fprintf(stderr,
1823 "ERROR: no flush, full release ring [p%d,%dc]\n",
1824 ring->prod, ring->cons);
1825 }
1826 qxl_push_free_res(d, 1 /* flush */);
1827 break;
1828 }
1829 case QXL_IO_FLUSH_SURFACES_ASYNC:
1830 qxl_spice_flush_surfaces_async(d);
1831 break;
1832 case QXL_IO_DESTROY_ALL_SURFACES:
1833 d->mode = QXL_MODE_UNDEFINED;
1834 qxl_spice_destroy_surfaces(d, async);
1835 break;
1836 case QXL_IO_MONITORS_CONFIG_ASYNC:
1837 qxl_spice_monitors_config_async(d, 0);
1838 break;
1839 default:
1840 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1841 }
1842 return;
1843 cancel_async:
1844 if (async) {
1845 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1846 qemu_mutex_lock(&d->async_lock);
1847 d->current_async = QXL_UNDEFINED_IO;
1848 qemu_mutex_unlock(&d->async_lock);
1849 }
1850 }
1851
1852 static uint64_t ioport_read(void *opaque, hwaddr addr,
1853 unsigned size)
1854 {
1855 PCIQXLDevice *qxl = opaque;
1856
1857 trace_qxl_io_read_unexpected(qxl->id);
1858 return 0xff;
1859 }
1860
1861 static const MemoryRegionOps qxl_io_ops = {
1862 .read = ioport_read,
1863 .write = ioport_write,
1864 .valid = {
1865 .min_access_size = 1,
1866 .max_access_size = 1,
1867 },
1868 };
1869
1870 static void qxl_update_irq_bh(void *opaque)
1871 {
1872 PCIQXLDevice *d = opaque;
1873 qxl_update_irq(d);
1874 }
1875
1876 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1877 {
1878 uint32_t old_pending;
1879 uint32_t le_events = cpu_to_le32(events);
1880
1881 trace_qxl_send_events(d->id, events);
1882 if (!qemu_spice_display_is_running(&d->ssd)) {
1883 /* spice-server tracks guest running state and should not do this */
1884 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1885 __func__);
1886 trace_qxl_send_events_vm_stopped(d->id, events);
1887 return;
1888 }
1889 /*
1890 * Older versions of Spice forgot to define the QXLRam struct
1891 * with the '__aligned__(4)' attribute. clang 7 and newer will
1892 * thus warn that qatomic_fetch_or(&d->ram->int_pending, ...)
1893 * might be a misaligned atomic access, and will generate an
1894 * out-of-line call for it, which results in a link error since
1895 * we don't currently link against libatomic.
1896 *
1897 * In fact we set up d->ram in init_qxl_ram() so it always starts
1898 * at a 4K boundary, so we know that &d->ram->int_pending is
1899 * naturally aligned for a uint32_t. Newer Spice versions
1900 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1)
1901 * will fix the bug directly. To deal with older versions,
1902 * we tell the compiler to assume the address really is aligned.
1903 * Any compiler which cares about the misalignment will have
1904 * __builtin_assume_aligned.
1905 */
1906 #ifdef HAS_ASSUME_ALIGNED
1907 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4))
1908 #else
1909 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P)
1910 #endif
1911
1912 old_pending = qatomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending),
1913 le_events);
1914 if ((old_pending & le_events) == le_events) {
1915 return;
1916 }
1917 qemu_bh_schedule(d->update_irq);
1918 }
1919
1920 /* graphics console */
1921
1922 static void qxl_hw_update(void *opaque)
1923 {
1924 PCIQXLDevice *qxl = opaque;
1925
1926 qxl_render_update(qxl);
1927 }
1928
1929 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1930 uint32_t height, int32_t stride)
1931 {
1932 uint64_t offset, size;
1933 uint32_t slot;
1934 bool rc;
1935
1936 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset);
1937 assert(rc == true);
1938 size = (uint64_t)height * abs(stride);
1939 trace_qxl_surfaces_dirty(qxl->id, offset, size);
1940 qxl_set_dirty(qxl->guest_slots[slot].mr,
1941 qxl->guest_slots[slot].offset + offset,
1942 qxl->guest_slots[slot].offset + offset + size);
1943 }
1944
1945 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1946 {
1947 int i;
1948
1949 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1950 return;
1951 }
1952
1953 /* dirty the primary surface */
1954 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem,
1955 qxl->guest_primary.surface.height,
1956 qxl->guest_primary.surface.stride);
1957
1958 /* dirty the off-screen surfaces */
1959 for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1960 QXLSurfaceCmd *cmd;
1961
1962 if (qxl->guest_surfaces.cmds[i] == 0) {
1963 continue;
1964 }
1965
1966 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1967 MEMSLOT_GROUP_GUEST);
1968 assert(cmd);
1969 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1970 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data,
1971 cmd->u.surface_create.height,
1972 cmd->u.surface_create.stride);
1973 }
1974 }
1975
1976 static void qxl_vm_change_state_handler(void *opaque, bool running,
1977 RunState state)
1978 {
1979 PCIQXLDevice *qxl = opaque;
1980
1981 if (running) {
1982 /*
1983 * if qxl_send_events was called from spice server context before
1984 * migration ended, qxl_update_irq for these events might not have been
1985 * called
1986 */
1987 qxl_update_irq(qxl);
1988 } else {
1989 /* make sure surfaces are saved before migration */
1990 qxl_dirty_surfaces(qxl);
1991 }
1992 }
1993
1994 /* display change listener */
1995
1996 static void display_update(DisplayChangeListener *dcl,
1997 int x, int y, int w, int h)
1998 {
1999 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2000
2001 if (qxl->mode == QXL_MODE_VGA) {
2002 qemu_spice_display_update(&qxl->ssd, x, y, w, h);
2003 }
2004 }
2005
2006 static void display_switch(DisplayChangeListener *dcl,
2007 struct DisplaySurface *surface)
2008 {
2009 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2010
2011 qxl->ssd.ds = surface;
2012 if (qxl->mode == QXL_MODE_VGA) {
2013 qemu_spice_display_switch(&qxl->ssd, surface);
2014 }
2015 }
2016
2017 static void display_refresh(DisplayChangeListener *dcl)
2018 {
2019 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2020
2021 if (qxl->mode == QXL_MODE_VGA) {
2022 qemu_spice_display_refresh(&qxl->ssd);
2023 }
2024 }
2025
2026 static DisplayChangeListenerOps display_listener_ops = {
2027 .dpy_name = "spice/qxl",
2028 .dpy_gfx_update = display_update,
2029 .dpy_gfx_switch = display_switch,
2030 .dpy_refresh = display_refresh,
2031 };
2032
2033 static void qxl_init_ramsize(PCIQXLDevice *qxl)
2034 {
2035 /* vga mode framebuffer / primary surface (bar 0, first part) */
2036 if (qxl->vgamem_size_mb < 8) {
2037 qxl->vgamem_size_mb = 8;
2038 }
2039 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
2040 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
2041 */
2042 if (qxl->vgamem_size_mb > 256) {
2043 qxl->vgamem_size_mb = 256;
2044 }
2045 qxl->vgamem_size = qxl->vgamem_size_mb * MiB;
2046
2047 /* vga ram (bar 0, total) */
2048 if (qxl->ram_size_mb != -1) {
2049 qxl->vga.vram_size = qxl->ram_size_mb * MiB;
2050 }
2051 if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
2052 qxl->vga.vram_size = qxl->vgamem_size * 2;
2053 }
2054
2055 /* vram32 (surfaces, 32bit, bar 1) */
2056 if (qxl->vram32_size_mb != -1) {
2057 qxl->vram32_size = qxl->vram32_size_mb * MiB;
2058 }
2059 if (qxl->vram32_size < 4096) {
2060 qxl->vram32_size = 4096;
2061 }
2062
2063 /* vram (surfaces, 64bit, bar 4+5) */
2064 if (qxl->vram_size_mb != -1) {
2065 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB;
2066 }
2067 if (qxl->vram_size < qxl->vram32_size) {
2068 qxl->vram_size = qxl->vram32_size;
2069 }
2070
2071 if (qxl->revision == 1) {
2072 qxl->vram32_size = 4096;
2073 qxl->vram_size = 4096;
2074 }
2075 qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
2076 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
2077 qxl->vram32_size = pow2ceil(qxl->vram32_size);
2078 qxl->vram_size = pow2ceil(qxl->vram_size);
2079 }
2080
2081 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
2082 {
2083 uint8_t* config = qxl->pci.config;
2084 uint32_t pci_device_rev;
2085 uint32_t io_size;
2086
2087 qemu_spice_display_init_common(&qxl->ssd);
2088 qxl->mode = QXL_MODE_UNDEFINED;
2089 qxl->num_memslots = NUM_MEMSLOTS;
2090 qemu_mutex_init(&qxl->track_lock);
2091 qemu_mutex_init(&qxl->async_lock);
2092 qxl->current_async = QXL_UNDEFINED_IO;
2093 qxl->guest_bug = 0;
2094
2095 switch (qxl->revision) {
2096 case 1: /* spice 0.4 -- qxl-1 */
2097 pci_device_rev = QXL_REVISION_STABLE_V04;
2098 io_size = 8;
2099 break;
2100 case 2: /* spice 0.6 -- qxl-2 */
2101 pci_device_rev = QXL_REVISION_STABLE_V06;
2102 io_size = 16;
2103 break;
2104 case 3: /* qxl-3 */
2105 pci_device_rev = QXL_REVISION_STABLE_V10;
2106 io_size = 32; /* PCI region size must be pow2 */
2107 break;
2108 case 4: /* qxl-4 */
2109 pci_device_rev = QXL_REVISION_STABLE_V12;
2110 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2111 break;
2112 case 5: /* qxl-5 */
2113 pci_device_rev = QXL_REVISION_STABLE_V12 + 1;
2114 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2115 break;
2116 default:
2117 error_setg(errp, "Invalid revision %d for qxl device (max %d)",
2118 qxl->revision, QXL_DEFAULT_REVISION);
2119 return;
2120 }
2121
2122 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
2123 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
2124
2125 qxl->rom_size = qxl_rom_size();
2126 memory_region_init_rom(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
2127 qxl->rom_size, &error_fatal);
2128 init_qxl_rom(qxl);
2129 init_qxl_ram(qxl);
2130
2131 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
2132 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
2133 qxl->vram_size, &error_fatal);
2134 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
2135 &qxl->vram_bar, 0, qxl->vram32_size);
2136
2137 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
2138 "qxl-ioports", io_size);
2139 if (qxl->have_vga) {
2140 vga_dirty_log_start(&qxl->vga);
2141 }
2142 memory_region_set_flush_coalesced(&qxl->io_bar);
2143
2144
2145 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
2146 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
2147
2148 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2149 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2150
2151 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2152 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2153
2154 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2155 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2156
2157 if (qxl->vram32_size < qxl->vram_size) {
2158 /*
2159 * Make the 64bit vram bar show up only in case it is
2160 * configured to be larger than the 32bit vram bar.
2161 */
2162 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2163 PCI_BASE_ADDRESS_SPACE_MEMORY |
2164 PCI_BASE_ADDRESS_MEM_TYPE_64 |
2165 PCI_BASE_ADDRESS_MEM_PREFETCH,
2166 &qxl->vram_bar);
2167 }
2168
2169 /* print pci bar details */
2170 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n",
2171 qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB);
2172 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n",
2173 qxl->vram32_size / MiB);
2174 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n",
2175 qxl->vram_size / MiB,
2176 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2177
2178 qxl->ssd.qxl.base.sif = &qxl_interface.base;
2179 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) {
2180 error_setg(errp, "qxl interface %d.%d not supported by spice-server",
2181 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2182 return;
2183 }
2184
2185 #if SPICE_SERVER_VERSION >= 0x000e02 /* release 0.14.2 */
2186 Error *err = NULL;
2187 char device_address[256] = "";
2188 if (qemu_console_fill_device_address(qxl->vga.con,
2189 device_address, sizeof(device_address),
2190 &err)) {
2191 spice_qxl_set_device_info(&qxl->ssd.qxl,
2192 device_address,
2193 0,
2194 qxl->max_outputs);
2195 } else {
2196 error_report_err(err);
2197 }
2198 #endif
2199
2200 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2201
2202 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl);
2203 qxl_reset_state(qxl);
2204
2205 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2206 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd);
2207 }
2208
2209 static void qxl_realize_primary(PCIDevice *dev, Error **errp)
2210 {
2211 PCIQXLDevice *qxl = PCI_QXL(dev);
2212 VGACommonState *vga = &qxl->vga;
2213 Error *local_err = NULL;
2214
2215 qxl_init_ramsize(qxl);
2216 vga->vbe_size = qxl->vgamem_size;
2217 vga->vram_size_mb = qxl->vga.vram_size / MiB;
2218 vga_common_init(vga, OBJECT(dev), &local_err);
2219 if (local_err) {
2220 error_propagate(errp, local_err);
2221 return;
2222 }
2223 vga_init(vga, OBJECT(dev),
2224 pci_address_space(dev), pci_address_space_io(dev), false);
2225 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
2226 vga, "vga");
2227 portio_list_set_flush_coalesced(&qxl->vga_port_list);
2228 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
2229 qxl->have_vga = true;
2230
2231 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2232 qxl->id = qemu_console_get_index(vga->con); /* == channel_id */
2233 if (qxl->id != 0) {
2234 error_setg(errp, "primary qxl-vga device must be console 0 "
2235 "(first display device on the command line)");
2236 return;
2237 }
2238
2239 qxl_realize_common(qxl, &local_err);
2240 if (local_err) {
2241 error_propagate(errp, local_err);
2242 return;
2243 }
2244
2245 qxl->ssd.dcl.ops = &display_listener_ops;
2246 qxl->ssd.dcl.con = vga->con;
2247 register_displaychangelistener(&qxl->ssd.dcl);
2248 }
2249
2250 static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
2251 {
2252 PCIQXLDevice *qxl = PCI_QXL(dev);
2253
2254 qxl_init_ramsize(qxl);
2255 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
2256 qxl->vga.vram_size, &error_fatal);
2257 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
2258 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2259 qxl->ssd.dcl.con = qxl->vga.con;
2260 qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */
2261
2262 qxl_realize_common(qxl, errp);
2263 }
2264
2265 static int qxl_pre_save(void *opaque)
2266 {
2267 PCIQXLDevice* d = opaque;
2268 uint8_t *ram_start = d->vga.vram_ptr;
2269
2270 trace_qxl_pre_save(d->id);
2271 if (d->last_release == NULL) {
2272 d->last_release_offset = 0;
2273 } else {
2274 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2275 }
2276 if (d->last_release_offset >= d->vga.vram_size) {
2277 return 1;
2278 }
2279
2280 return 0;
2281 }
2282
2283 static int qxl_pre_load(void *opaque)
2284 {
2285 PCIQXLDevice* d = opaque;
2286
2287 trace_qxl_pre_load(d->id);
2288 qxl_hard_reset(d, 1);
2289 qxl_exit_vga_mode(d);
2290 return 0;
2291 }
2292
2293 static void qxl_create_memslots(PCIQXLDevice *d)
2294 {
2295 int i;
2296
2297 for (i = 0; i < NUM_MEMSLOTS; i++) {
2298 if (!d->guest_slots[i].active) {
2299 continue;
2300 }
2301 qxl_add_memslot(d, i, 0, QXL_SYNC);
2302 }
2303 }
2304
2305 static int qxl_post_load(void *opaque, int version)
2306 {
2307 PCIQXLDevice* d = opaque;
2308 uint8_t *ram_start = d->vga.vram_ptr;
2309 QXLCommandExt *cmds;
2310 int in, out, newmode;
2311
2312 assert(d->last_release_offset < d->vga.vram_size);
2313 if (d->last_release_offset == 0) {
2314 d->last_release = NULL;
2315 } else {
2316 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2317 }
2318
2319 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2320
2321 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2322 newmode = d->mode;
2323 d->mode = QXL_MODE_UNDEFINED;
2324
2325 switch (newmode) {
2326 case QXL_MODE_UNDEFINED:
2327 qxl_create_memslots(d);
2328 break;
2329 case QXL_MODE_VGA:
2330 qxl_create_memslots(d);
2331 qxl_enter_vga_mode(d);
2332 break;
2333 case QXL_MODE_NATIVE:
2334 qxl_create_memslots(d);
2335 qxl_create_guest_primary(d, 1, QXL_SYNC);
2336
2337 /* replay surface-create and cursor-set commands */
2338 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1);
2339 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2340 if (d->guest_surfaces.cmds[in] == 0) {
2341 continue;
2342 }
2343 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2344 cmds[out].cmd.type = QXL_CMD_SURFACE;
2345 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2346 out++;
2347 }
2348 if (d->guest_cursor) {
2349 cmds[out].cmd.data = d->guest_cursor;
2350 cmds[out].cmd.type = QXL_CMD_CURSOR;
2351 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2352 out++;
2353 }
2354 qxl_spice_loadvm_commands(d, cmds, out);
2355 g_free(cmds);
2356 if (d->guest_monitors_config) {
2357 qxl_spice_monitors_config_async(d, 1);
2358 }
2359 break;
2360 case QXL_MODE_COMPAT:
2361 /* note: no need to call qxl_create_memslots, qxl_set_mode
2362 * creates the mem slot. */
2363 qxl_set_mode(d, d->shadow_rom.mode, 1);
2364 break;
2365 }
2366 return 0;
2367 }
2368
2369 #define QXL_SAVE_VERSION 21
2370
2371 static bool qxl_monitors_config_needed(void *opaque)
2372 {
2373 PCIQXLDevice *qxl = opaque;
2374
2375 return qxl->guest_monitors_config != 0;
2376 }
2377
2378
2379 static const VMStateDescription qxl_memslot = {
2380 .name = "qxl-memslot",
2381 .version_id = QXL_SAVE_VERSION,
2382 .minimum_version_id = QXL_SAVE_VERSION,
2383 .fields = (VMStateField[]) {
2384 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2385 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
2386 VMSTATE_UINT32(active, struct guest_slots),
2387 VMSTATE_END_OF_LIST()
2388 }
2389 };
2390
2391 static const VMStateDescription qxl_surface = {
2392 .name = "qxl-surface",
2393 .version_id = QXL_SAVE_VERSION,
2394 .minimum_version_id = QXL_SAVE_VERSION,
2395 .fields = (VMStateField[]) {
2396 VMSTATE_UINT32(width, QXLSurfaceCreate),
2397 VMSTATE_UINT32(height, QXLSurfaceCreate),
2398 VMSTATE_INT32(stride, QXLSurfaceCreate),
2399 VMSTATE_UINT32(format, QXLSurfaceCreate),
2400 VMSTATE_UINT32(position, QXLSurfaceCreate),
2401 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2402 VMSTATE_UINT32(flags, QXLSurfaceCreate),
2403 VMSTATE_UINT32(type, QXLSurfaceCreate),
2404 VMSTATE_UINT64(mem, QXLSurfaceCreate),
2405 VMSTATE_END_OF_LIST()
2406 }
2407 };
2408
2409 static const VMStateDescription qxl_vmstate_monitors_config = {
2410 .name = "qxl/monitors-config",
2411 .version_id = 1,
2412 .minimum_version_id = 1,
2413 .needed = qxl_monitors_config_needed,
2414 .fields = (VMStateField[]) {
2415 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2416 VMSTATE_END_OF_LIST()
2417 },
2418 };
2419
2420 static const VMStateDescription qxl_vmstate = {
2421 .name = "qxl",
2422 .version_id = QXL_SAVE_VERSION,
2423 .minimum_version_id = QXL_SAVE_VERSION,
2424 .pre_save = qxl_pre_save,
2425 .pre_load = qxl_pre_load,
2426 .post_load = qxl_post_load,
2427 .fields = (VMStateField[]) {
2428 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2429 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2430 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2431 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2432 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2433 VMSTATE_UINT32(mode, PCIQXLDevice),
2434 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2435 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL),
2436 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2437 qxl_memslot, struct guest_slots),
2438 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2439 qxl_surface, QXLSurfaceCreate),
2440 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL),
2441 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2442 ssd.num_surfaces, 0,
2443 vmstate_info_uint64, uint64_t),
2444 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2445 VMSTATE_END_OF_LIST()
2446 },
2447 .subsections = (const VMStateDescription*[]) {
2448 &qxl_vmstate_monitors_config,
2449 NULL
2450 }
2451 };
2452
2453 static Property qxl_properties[] = {
2454 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB),
2455 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB),
2456 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2457 QXL_DEFAULT_REVISION),
2458 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2459 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2460 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2461 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
2462 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2463 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2464 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2465 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2466 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
2467 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0),
2468 #endif
2469 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0),
2470 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0),
2471 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false),
2472 DEFINE_PROP_END_OF_LIST(),
2473 };
2474
2475 static void qxl_pci_class_init(ObjectClass *klass, void *data)
2476 {
2477 DeviceClass *dc = DEVICE_CLASS(klass);
2478 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2479
2480 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2481 k->device_id = QXL_DEVICE_ID_STABLE;
2482 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
2483 dc->reset = qxl_reset_handler;
2484 dc->vmsd = &qxl_vmstate;
2485 device_class_set_props(dc, qxl_properties);
2486 }
2487
2488 static const TypeInfo qxl_pci_type_info = {
2489 .name = TYPE_PCI_QXL,
2490 .parent = TYPE_PCI_DEVICE,
2491 .instance_size = sizeof(PCIQXLDevice),
2492 .abstract = true,
2493 .class_init = qxl_pci_class_init,
2494 .interfaces = (InterfaceInfo[]) {
2495 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
2496 { },
2497 },
2498 };
2499
2500 static void qxl_primary_class_init(ObjectClass *klass, void *data)
2501 {
2502 DeviceClass *dc = DEVICE_CLASS(klass);
2503 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2504
2505 k->realize = qxl_realize_primary;
2506 k->romfile = "vgabios-qxl.bin";
2507 k->class_id = PCI_CLASS_DISPLAY_VGA;
2508 dc->desc = "Spice QXL GPU (primary, vga compatible)";
2509 dc->hotpluggable = false;
2510 }
2511
2512 static const TypeInfo qxl_primary_info = {
2513 .name = "qxl-vga",
2514 .parent = TYPE_PCI_QXL,
2515 .class_init = qxl_primary_class_init,
2516 };
2517 module_obj("qxl-vga");
2518 module_kconfig(QXL);
2519
2520 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2521 {
2522 DeviceClass *dc = DEVICE_CLASS(klass);
2523 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2524
2525 k->realize = qxl_realize_secondary;
2526 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2527 dc->desc = "Spice QXL GPU (secondary)";
2528 }
2529
2530 static const TypeInfo qxl_secondary_info = {
2531 .name = "qxl",
2532 .parent = TYPE_PCI_QXL,
2533 .class_init = qxl_secondary_class_init,
2534 };
2535 module_obj("qxl");
2536
2537 static void qxl_register_types(void)
2538 {
2539 type_register_static(&qxl_pci_type_info);
2540 type_register_static(&qxl_primary_info);
2541 type_register_static(&qxl_secondary_info);
2542 }
2543
2544 type_init(qxl_register_types)
2545
2546 module_dep("ui-spice-core");
QEmu