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Include qemu/module.h where needed, drop it from qemu-common.h
[thirdparty/qemu.git] / hw / display / qxl.c
1 /*
2 * Copyright (C) 2010 Red Hat, Inc.
3 *
4 * written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
5 * maintained by Gerd Hoffmann <kraxel@redhat.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 or
10 * (at your option) version 3 of the License.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "qemu/osdep.h"
22 #include "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/module.h"
30 #include "sysemu/sysemu.h"
31 #include "migration/blocker.h"
32 #include "trace.h"
33
34 #include "qxl.h"
35
36 #undef SPICE_RING_CONS_ITEM
37 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
38 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
39 if (cons >= ARRAY_SIZE((r)->items)) { \
40 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
41 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
42 ret = NULL; \
43 } else { \
44 ret = &(r)->items[cons].el; \
45 } \
46 }
47
48 #undef ALIGN
49 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
50
51 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
52
53 #define QXL_MODE(_x, _y, _b, _o) \
54 { .x_res = _x, \
55 .y_res = _y, \
56 .bits = _b, \
57 .stride = (_x) * (_b) / 8, \
58 .x_mili = PIXEL_SIZE * (_x), \
59 .y_mili = PIXEL_SIZE * (_y), \
60 .orientation = _o, \
61 }
62
63 #define QXL_MODE_16_32(x_res, y_res, orientation) \
64 QXL_MODE(x_res, y_res, 16, orientation), \
65 QXL_MODE(x_res, y_res, 32, orientation)
66
67 #define QXL_MODE_EX(x_res, y_res) \
68 QXL_MODE_16_32(x_res, y_res, 0), \
69 QXL_MODE_16_32(x_res, y_res, 1)
70
71 static QXLMode qxl_modes[] = {
72 QXL_MODE_EX(640, 480),
73 QXL_MODE_EX(800, 480),
74 QXL_MODE_EX(800, 600),
75 QXL_MODE_EX(832, 624),
76 QXL_MODE_EX(960, 640),
77 QXL_MODE_EX(1024, 600),
78 QXL_MODE_EX(1024, 768),
79 QXL_MODE_EX(1152, 864),
80 QXL_MODE_EX(1152, 870),
81 QXL_MODE_EX(1280, 720),
82 QXL_MODE_EX(1280, 760),
83 QXL_MODE_EX(1280, 768),
84 QXL_MODE_EX(1280, 800),
85 QXL_MODE_EX(1280, 960),
86 QXL_MODE_EX(1280, 1024),
87 QXL_MODE_EX(1360, 768),
88 QXL_MODE_EX(1366, 768),
89 QXL_MODE_EX(1400, 1050),
90 QXL_MODE_EX(1440, 900),
91 QXL_MODE_EX(1600, 900),
92 QXL_MODE_EX(1600, 1200),
93 QXL_MODE_EX(1680, 1050),
94 QXL_MODE_EX(1920, 1080),
95 /* these modes need more than 8 MB video memory */
96 QXL_MODE_EX(1920, 1200),
97 QXL_MODE_EX(1920, 1440),
98 QXL_MODE_EX(2000, 2000),
99 QXL_MODE_EX(2048, 1536),
100 QXL_MODE_EX(2048, 2048),
101 QXL_MODE_EX(2560, 1440),
102 QXL_MODE_EX(2560, 1600),
103 /* these modes need more than 16 MB video memory */
104 QXL_MODE_EX(2560, 2048),
105 QXL_MODE_EX(2800, 2100),
106 QXL_MODE_EX(3200, 2400),
107 /* these modes need more than 32 MB video memory */
108 QXL_MODE_EX(3840, 2160), /* 4k mainstream */
109 QXL_MODE_EX(4096, 2160), /* 4k */
110 /* these modes need more than 64 MB video memory */
111 QXL_MODE_EX(7680, 4320), /* 8k mainstream */
112 /* these modes need more than 128 MB video memory */
113 QXL_MODE_EX(8192, 4320), /* 8k */
114 };
115
116 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
117 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
118 static void qxl_reset_memslots(PCIQXLDevice *d);
119 static void qxl_reset_surfaces(PCIQXLDevice *d);
120 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
121
122 static void qxl_hw_update(void *opaque);
123
124 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
125 {
126 trace_qxl_set_guest_bug(qxl->id);
127 qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
128 qxl->guest_bug = 1;
129 if (qxl->guestdebug) {
130 va_list ap;
131 va_start(ap, msg);
132 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
133 vfprintf(stderr, msg, ap);
134 fprintf(stderr, "\n");
135 va_end(ap);
136 }
137 }
138
139 static void qxl_clear_guest_bug(PCIQXLDevice *qxl)
140 {
141 qxl->guest_bug = 0;
142 }
143
144 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
145 struct QXLRect *area, struct QXLRect *dirty_rects,
146 uint32_t num_dirty_rects,
147 uint32_t clear_dirty_region,
148 qxl_async_io async, struct QXLCookie *cookie)
149 {
150 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
151 area->top, area->bottom);
152 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
153 clear_dirty_region);
154 if (async == QXL_SYNC) {
155 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area,
156 dirty_rects, num_dirty_rects, clear_dirty_region);
157 } else {
158 assert(cookie != NULL);
159 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
160 clear_dirty_region, (uintptr_t)cookie);
161 }
162 }
163
164 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
165 uint32_t id)
166 {
167 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
168 qemu_mutex_lock(&qxl->track_lock);
169 qxl->guest_surfaces.cmds[id] = 0;
170 qxl->guest_surfaces.count--;
171 qemu_mutex_unlock(&qxl->track_lock);
172 }
173
174 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
175 qxl_async_io async)
176 {
177 QXLCookie *cookie;
178
179 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
180 if (async) {
181 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
182 QXL_IO_DESTROY_SURFACE_ASYNC);
183 cookie->u.surface_id = id;
184 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
185 } else {
186 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id);
187 qxl_spice_destroy_surface_wait_complete(qxl, id);
188 }
189 }
190
191 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
192 {
193 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
194 qxl->num_free_res);
195 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
196 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
197 QXL_IO_FLUSH_SURFACES_ASYNC));
198 }
199
200 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
201 uint32_t count)
202 {
203 trace_qxl_spice_loadvm_commands(qxl->id, ext, count);
204 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count);
205 }
206
207 void qxl_spice_oom(PCIQXLDevice *qxl)
208 {
209 trace_qxl_spice_oom(qxl->id);
210 spice_qxl_oom(&qxl->ssd.qxl);
211 }
212
213 void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
214 {
215 trace_qxl_spice_reset_memslots(qxl->id);
216 spice_qxl_reset_memslots(&qxl->ssd.qxl);
217 }
218
219 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
220 {
221 trace_qxl_spice_destroy_surfaces_complete(qxl->id);
222 qemu_mutex_lock(&qxl->track_lock);
223 memset(qxl->guest_surfaces.cmds, 0,
224 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces);
225 qxl->guest_surfaces.count = 0;
226 qemu_mutex_unlock(&qxl->track_lock);
227 }
228
229 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
230 {
231 trace_qxl_spice_destroy_surfaces(qxl->id, async);
232 if (async) {
233 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
234 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
235 QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
236 } else {
237 spice_qxl_destroy_surfaces(&qxl->ssd.qxl);
238 qxl_spice_destroy_surfaces_complete(qxl);
239 }
240 }
241
242 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
243 {
244 QXLMonitorsConfig *cfg;
245
246 trace_qxl_spice_monitors_config(qxl->id);
247 if (replay) {
248 /*
249 * don't use QXL_COOKIE_TYPE_IO:
250 * - we are not running yet (post_load), we will assert
251 * in send_events
252 * - this is not a guest io, but a reply, so async_io isn't set.
253 */
254 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
255 qxl->guest_monitors_config,
256 MEMSLOT_GROUP_GUEST,
257 (uintptr_t)qxl_cookie_new(
258 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
259 0));
260 } else {
261 /* >= release 0.12.6, < release 0.14.2 */
262 #if SPICE_SERVER_VERSION >= 0x000c06 && SPICE_SERVER_VERSION < 0x000e02
263 if (qxl->max_outputs) {
264 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs);
265 }
266 #endif
267 qxl->guest_monitors_config = qxl->ram->monitors_config;
268 spice_qxl_monitors_config_async(&qxl->ssd.qxl,
269 qxl->ram->monitors_config,
270 MEMSLOT_GROUP_GUEST,
271 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
272 QXL_IO_MONITORS_CONFIG_ASYNC));
273 }
274
275 cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST);
276 if (cfg != NULL && cfg->count == 1) {
277 qxl->guest_primary.resized = 1;
278 qxl->guest_head0_width = cfg->heads[0].width;
279 qxl->guest_head0_height = cfg->heads[0].height;
280 } else {
281 qxl->guest_head0_width = 0;
282 qxl->guest_head0_height = 0;
283 }
284 }
285
286 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
287 {
288 trace_qxl_spice_reset_image_cache(qxl->id);
289 spice_qxl_reset_image_cache(&qxl->ssd.qxl);
290 }
291
292 void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
293 {
294 trace_qxl_spice_reset_cursor(qxl->id);
295 spice_qxl_reset_cursor(&qxl->ssd.qxl);
296 qemu_mutex_lock(&qxl->track_lock);
297 qxl->guest_cursor = 0;
298 qemu_mutex_unlock(&qxl->track_lock);
299 if (qxl->ssd.cursor) {
300 cursor_put(qxl->ssd.cursor);
301 }
302 qxl->ssd.cursor = cursor_builtin_hidden();
303 }
304
305 static uint32_t qxl_crc32(const uint8_t *p, unsigned len)
306 {
307 /*
308 * zlib xors the seed with 0xffffffff, and xors the result
309 * again with 0xffffffff; Both are not done with linux's crc32,
310 * which we want to be compatible with, so undo that.
311 */
312 return crc32(0xffffffff, p, len) ^ 0xffffffff;
313 }
314
315 static ram_addr_t qxl_rom_size(void)
316 {
317 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes))
318 #define QXL_ROM_SZ 8192
319
320 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ);
321 return QXL_ROM_SZ;
322 }
323
324 static void init_qxl_rom(PCIQXLDevice *d)
325 {
326 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
327 QXLModes *modes = (QXLModes *)(rom + 1);
328 uint32_t ram_header_size;
329 uint32_t surface0_area_size;
330 uint32_t num_pages;
331 uint32_t fb;
332 int i, n;
333
334 memset(rom, 0, d->rom_size);
335
336 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
337 rom->id = cpu_to_le32(d->id);
338 rom->log_level = cpu_to_le32(d->guestdebug);
339 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
340
341 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
342 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
343 rom->slots_start = 1;
344 rom->slots_end = NUM_MEMSLOTS - 1;
345 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces);
346
347 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) {
348 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
349 if (fb > d->vgamem_size) {
350 continue;
351 }
352 modes->modes[n].id = cpu_to_le32(i);
353 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res);
354 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res);
355 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits);
356 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride);
357 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
358 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
359 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation);
360 n++;
361 }
362 modes->n_modes = cpu_to_le32(n);
363
364 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
365 surface0_area_size = ALIGN(d->vgamem_size, 4096);
366 num_pages = d->vga.vram_size;
367 num_pages -= ram_header_size;
368 num_pages -= surface0_area_size;
369 num_pages = num_pages / QXL_PAGE_SIZE;
370
371 assert(ram_header_size + surface0_area_size <= d->vga.vram_size);
372
373 rom->draw_area_offset = cpu_to_le32(0);
374 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
375 rom->pages_offset = cpu_to_le32(surface0_area_size);
376 rom->num_pages = cpu_to_le32(num_pages);
377 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
378
379 if (d->xres && d->yres) {
380 /* needs linux kernel 4.12+ to work */
381 rom->client_monitors_config.count = 1;
382 rom->client_monitors_config.heads[0].left = 0;
383 rom->client_monitors_config.heads[0].top = 0;
384 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres);
385 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres);
386 rom->client_monitors_config_crc = qxl_crc32(
387 (const uint8_t *)&rom->client_monitors_config,
388 sizeof(rom->client_monitors_config));
389 }
390
391 d->shadow_rom = *rom;
392 d->rom = rom;
393 d->modes = modes;
394 }
395
396 static void init_qxl_ram(PCIQXLDevice *d)
397 {
398 uint8_t *buf;
399 uint32_t prod;
400 QXLReleaseRing *ring;
401
402 buf = d->vga.vram_ptr;
403 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
404 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
405 d->ram->int_pending = cpu_to_le32(0);
406 d->ram->int_mask = cpu_to_le32(0);
407 d->ram->update_surface = 0;
408 d->ram->monitors_config = 0;
409 SPICE_RING_INIT(&d->ram->cmd_ring);
410 SPICE_RING_INIT(&d->ram->cursor_ring);
411 SPICE_RING_INIT(&d->ram->release_ring);
412
413 ring = &d->ram->release_ring;
414 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
415 assert(prod < ARRAY_SIZE(ring->items));
416 ring->items[prod].el = 0;
417
418 qxl_ring_set_dirty(d);
419 }
420
421 /* can be called from spice server thread context */
422 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
423 {
424 memory_region_set_dirty(mr, addr, end - addr);
425 }
426
427 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
428 {
429 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
430 }
431
432 /* called from spice server thread context only */
433 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
434 {
435 void *base = qxl->vga.vram_ptr;
436 intptr_t offset;
437
438 offset = ptr - base;
439 assert(offset < qxl->vga.vram_size);
440 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3);
441 }
442
443 /* can be called from spice server thread context */
444 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
445 {
446 ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
447 ram_addr_t end = qxl->vga.vram_size;
448 qxl_set_dirty(&qxl->vga.vram, addr, end);
449 }
450
451 /*
452 * keep track of some command state, for savevm/loadvm.
453 * called from spice server thread context only
454 */
455 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
456 {
457 switch (le32_to_cpu(ext->cmd.type)) {
458 case QXL_CMD_SURFACE:
459 {
460 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
461
462 if (!cmd) {
463 return 1;
464 }
465 uint32_t id = le32_to_cpu(cmd->surface_id);
466
467 if (id >= qxl->ssd.num_surfaces) {
468 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
469 qxl->ssd.num_surfaces);
470 return 1;
471 }
472 if (cmd->type == QXL_SURFACE_CMD_CREATE &&
473 (cmd->u.surface_create.stride & 0x03) != 0) {
474 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
475 cmd->u.surface_create.stride);
476 return 1;
477 }
478 qemu_mutex_lock(&qxl->track_lock);
479 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
480 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
481 qxl->guest_surfaces.count++;
482 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
483 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
484 }
485 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
486 qxl->guest_surfaces.cmds[id] = 0;
487 qxl->guest_surfaces.count--;
488 }
489 qemu_mutex_unlock(&qxl->track_lock);
490 break;
491 }
492 case QXL_CMD_CURSOR:
493 {
494 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
495
496 if (!cmd) {
497 return 1;
498 }
499 if (cmd->type == QXL_CURSOR_SET) {
500 qemu_mutex_lock(&qxl->track_lock);
501 qxl->guest_cursor = ext->cmd.data;
502 qemu_mutex_unlock(&qxl->track_lock);
503 }
504 if (cmd->type == QXL_CURSOR_HIDE) {
505 qemu_mutex_lock(&qxl->track_lock);
506 qxl->guest_cursor = 0;
507 qemu_mutex_unlock(&qxl->track_lock);
508 }
509 break;
510 }
511 }
512 return 0;
513 }
514
515 /* spice display interface callbacks */
516
517 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
518 {
519 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
520
521 trace_qxl_interface_attach_worker(qxl->id);
522 }
523
524 static void interface_set_compression_level(QXLInstance *sin, int level)
525 {
526 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
527
528 trace_qxl_interface_set_compression_level(qxl->id, level);
529 qxl->shadow_rom.compression_level = cpu_to_le32(level);
530 qxl->rom->compression_level = cpu_to_le32(level);
531 qxl_rom_set_dirty(qxl);
532 }
533
534 #if SPICE_NEEDS_SET_MM_TIME
535 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
536 {
537 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
538
539 if (!qemu_spice_display_is_running(&qxl->ssd)) {
540 return;
541 }
542
543 trace_qxl_interface_set_mm_time(qxl->id, mm_time);
544 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
545 qxl->rom->mm_clock = cpu_to_le32(mm_time);
546 qxl_rom_set_dirty(qxl);
547 }
548 #endif
549
550 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
551 {
552 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
553
554 trace_qxl_interface_get_init_info(qxl->id);
555 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
556 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
557 info->num_memslots = NUM_MEMSLOTS;
558 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
559 info->internal_groupslot_id = 0;
560 info->qxl_ram_size =
561 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS;
562 info->n_surfaces = qxl->ssd.num_surfaces;
563 }
564
565 static const char *qxl_mode_to_string(int mode)
566 {
567 switch (mode) {
568 case QXL_MODE_COMPAT:
569 return "compat";
570 case QXL_MODE_NATIVE:
571 return "native";
572 case QXL_MODE_UNDEFINED:
573 return "undefined";
574 case QXL_MODE_VGA:
575 return "vga";
576 }
577 return "INVALID";
578 }
579
580 static const char *io_port_to_string(uint32_t io_port)
581 {
582 if (io_port >= QXL_IO_RANGE_SIZE) {
583 return "out of range";
584 }
585 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
586 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
587 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
588 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
589 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
590 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
591 [QXL_IO_RESET] = "QXL_IO_RESET",
592 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
593 [QXL_IO_LOG] = "QXL_IO_LOG",
594 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
595 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
596 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
597 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
598 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
599 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
600 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
601 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
602 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
603 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
604 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
605 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
606 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
607 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
608 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
609 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
610 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
611 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
612 };
613 return io_port_to_string[io_port];
614 }
615
616 /* called from spice server thread context only */
617 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
618 {
619 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
620 SimpleSpiceUpdate *update;
621 QXLCommandRing *ring;
622 QXLCommand *cmd;
623 int notify, ret;
624
625 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode));
626
627 switch (qxl->mode) {
628 case QXL_MODE_VGA:
629 ret = false;
630 qemu_mutex_lock(&qxl->ssd.lock);
631 update = QTAILQ_FIRST(&qxl->ssd.updates);
632 if (update != NULL) {
633 QTAILQ_REMOVE(&qxl->ssd.updates, update, next);
634 *ext = update->ext;
635 ret = true;
636 }
637 qemu_mutex_unlock(&qxl->ssd.lock);
638 if (ret) {
639 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
640 qxl_log_command(qxl, "vga", ext);
641 }
642 return ret;
643 case QXL_MODE_COMPAT:
644 case QXL_MODE_NATIVE:
645 case QXL_MODE_UNDEFINED:
646 ring = &qxl->ram->cmd_ring;
647 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
648 return false;
649 }
650 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
651 if (!cmd) {
652 return false;
653 }
654 ext->cmd = *cmd;
655 ext->group_id = MEMSLOT_GROUP_GUEST;
656 ext->flags = qxl->cmdflags;
657 SPICE_RING_POP(ring, notify);
658 qxl_ring_set_dirty(qxl);
659 if (notify) {
660 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
661 }
662 qxl->guest_primary.commands++;
663 qxl_track_command(qxl, ext);
664 qxl_log_command(qxl, "cmd", ext);
665 {
666 /*
667 * Windows 8 drivers place qxl commands in the vram
668 * (instead of the ram) bar. We can't live migrate such a
669 * guest, so add a migration blocker in case we detect
670 * this, to avoid triggering the assert in pre_save().
671 *
672 * https://cgit.freedesktop.org/spice/win32/qxl-wddm-dod/commit/?id=f6e099db39e7d0787f294d5fd0dce328b5210faa
673 */
674 void *msg = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
675 if (msg != NULL && (
676 msg < (void *)qxl->vga.vram_ptr ||
677 msg > ((void *)qxl->vga.vram_ptr + qxl->vga.vram_size))) {
678 if (!qxl->migration_blocker) {
679 Error *local_err = NULL;
680 error_setg(&qxl->migration_blocker,
681 "qxl: guest bug: command not in ram bar");
682 migrate_add_blocker(qxl->migration_blocker, &local_err);
683 if (local_err) {
684 error_report_err(local_err);
685 }
686 }
687 }
688 }
689 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode));
690 return true;
691 default:
692 return false;
693 }
694 }
695
696 /* called from spice server thread context only */
697 static int interface_req_cmd_notification(QXLInstance *sin)
698 {
699 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
700 int wait = 1;
701
702 trace_qxl_ring_command_req_notification(qxl->id);
703 switch (qxl->mode) {
704 case QXL_MODE_COMPAT:
705 case QXL_MODE_NATIVE:
706 case QXL_MODE_UNDEFINED:
707 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
708 qxl_ring_set_dirty(qxl);
709 break;
710 default:
711 /* nothing */
712 break;
713 }
714 return wait;
715 }
716
717 /* called from spice server thread context only */
718 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
719 {
720 QXLReleaseRing *ring = &d->ram->release_ring;
721 uint32_t prod;
722 int notify;
723
724 #define QXL_FREE_BUNCH_SIZE 32
725
726 if (ring->prod - ring->cons + 1 == ring->num_items) {
727 /* ring full -- can't push */
728 return;
729 }
730 if (!flush && d->oom_running) {
731 /* collect everything from oom handler before pushing */
732 return;
733 }
734 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
735 /* collect a bit more before pushing */
736 return;
737 }
738
739 SPICE_RING_PUSH(ring, notify);
740 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode),
741 d->guest_surfaces.count, d->num_free_res,
742 d->last_release, notify ? "yes" : "no");
743 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
744 ring->num_items, ring->prod, ring->cons);
745 if (notify) {
746 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
747 }
748
749 ring = &d->ram->release_ring;
750 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
751 if (prod >= ARRAY_SIZE(ring->items)) {
752 qxl_set_guest_bug(d, "SPICE_RING_PROD_ITEM indices mismatch "
753 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
754 return;
755 }
756 ring->items[prod].el = 0;
757 d->num_free_res = 0;
758 d->last_release = NULL;
759 qxl_ring_set_dirty(d);
760 }
761
762 /* called from spice server thread context only */
763 static void interface_release_resource(QXLInstance *sin,
764 QXLReleaseInfoExt ext)
765 {
766 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
767 QXLReleaseRing *ring;
768 uint32_t prod;
769 uint64_t id;
770
771 if (!ext.info) {
772 return;
773 }
774 if (ext.group_id == MEMSLOT_GROUP_HOST) {
775 /* host group -> vga mode update request */
776 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id);
777 SimpleSpiceUpdate *update;
778 g_assert(cmdext->cmd.type == QXL_CMD_DRAW);
779 update = container_of(cmdext, SimpleSpiceUpdate, ext);
780 qemu_spice_destroy_update(&qxl->ssd, update);
781 return;
782 }
783
784 /*
785 * ext->info points into guest-visible memory
786 * pci bar 0, $command.release_info
787 */
788 ring = &qxl->ram->release_ring;
789 prod = ring->prod & SPICE_RING_INDEX_MASK(ring);
790 if (prod >= ARRAY_SIZE(ring->items)) {
791 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch "
792 "%u >= %zu", prod, ARRAY_SIZE(ring->items));
793 return;
794 }
795 if (ring->items[prod].el == 0) {
796 /* stick head into the ring */
797 id = ext.info->id;
798 ext.info->next = 0;
799 qxl_ram_set_dirty(qxl, &ext.info->next);
800 ring->items[prod].el = id;
801 qxl_ring_set_dirty(qxl);
802 } else {
803 /* append item to the list */
804 qxl->last_release->next = ext.info->id;
805 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
806 ext.info->next = 0;
807 qxl_ram_set_dirty(qxl, &ext.info->next);
808 }
809 qxl->last_release = ext.info;
810 qxl->num_free_res++;
811 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res);
812 qxl_push_free_res(qxl, 0);
813 }
814
815 /* called from spice server thread context only */
816 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
817 {
818 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
819 QXLCursorRing *ring;
820 QXLCommand *cmd;
821 int notify;
822
823 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode));
824
825 switch (qxl->mode) {
826 case QXL_MODE_COMPAT:
827 case QXL_MODE_NATIVE:
828 case QXL_MODE_UNDEFINED:
829 ring = &qxl->ram->cursor_ring;
830 if (SPICE_RING_IS_EMPTY(ring)) {
831 return false;
832 }
833 SPICE_RING_CONS_ITEM(qxl, ring, cmd);
834 if (!cmd) {
835 return false;
836 }
837 ext->cmd = *cmd;
838 ext->group_id = MEMSLOT_GROUP_GUEST;
839 ext->flags = qxl->cmdflags;
840 SPICE_RING_POP(ring, notify);
841 qxl_ring_set_dirty(qxl);
842 if (notify) {
843 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
844 }
845 qxl->guest_primary.commands++;
846 qxl_track_command(qxl, ext);
847 qxl_log_command(qxl, "csr", ext);
848 if (qxl->have_vga) {
849 qxl_render_cursor(qxl, ext);
850 }
851 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
852 return true;
853 default:
854 return false;
855 }
856 }
857
858 /* called from spice server thread context only */
859 static int interface_req_cursor_notification(QXLInstance *sin)
860 {
861 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
862 int wait = 1;
863
864 trace_qxl_ring_cursor_req_notification(qxl->id);
865 switch (qxl->mode) {
866 case QXL_MODE_COMPAT:
867 case QXL_MODE_NATIVE:
868 case QXL_MODE_UNDEFINED:
869 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
870 qxl_ring_set_dirty(qxl);
871 break;
872 default:
873 /* nothing */
874 break;
875 }
876 return wait;
877 }
878
879 /* called from spice server thread context */
880 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
881 {
882 /*
883 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
884 * use by xf86-video-qxl and is defined out in the qxl windows driver.
885 * Probably was at some earlier version that is prior to git start (2009),
886 * and is still guest trigerrable.
887 */
888 fprintf(stderr, "%s: deprecated\n", __func__);
889 }
890
891 /* called from spice server thread context only */
892 static int interface_flush_resources(QXLInstance *sin)
893 {
894 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
895 int ret;
896
897 ret = qxl->num_free_res;
898 if (ret) {
899 qxl_push_free_res(qxl, 1);
900 }
901 return ret;
902 }
903
904 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
905
906 /* called from spice server thread context only */
907 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
908 {
909 uint32_t current_async;
910
911 qemu_mutex_lock(&qxl->async_lock);
912 current_async = qxl->current_async;
913 qxl->current_async = QXL_UNDEFINED_IO;
914 qemu_mutex_unlock(&qxl->async_lock);
915
916 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
917 if (!cookie) {
918 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
919 return;
920 }
921 if (cookie && current_async != cookie->io) {
922 fprintf(stderr,
923 "qxl: %s: error: current_async = %d != %"
924 PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
925 }
926 switch (current_async) {
927 case QXL_IO_MEMSLOT_ADD_ASYNC:
928 case QXL_IO_DESTROY_PRIMARY_ASYNC:
929 case QXL_IO_UPDATE_AREA_ASYNC:
930 case QXL_IO_FLUSH_SURFACES_ASYNC:
931 case QXL_IO_MONITORS_CONFIG_ASYNC:
932 break;
933 case QXL_IO_CREATE_PRIMARY_ASYNC:
934 qxl_create_guest_primary_complete(qxl);
935 break;
936 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
937 qxl_spice_destroy_surfaces_complete(qxl);
938 break;
939 case QXL_IO_DESTROY_SURFACE_ASYNC:
940 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
941 break;
942 default:
943 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
944 current_async);
945 }
946 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
947 }
948
949 /* called from spice server thread context only */
950 static void interface_update_area_complete(QXLInstance *sin,
951 uint32_t surface_id,
952 QXLRect *dirty, uint32_t num_updated_rects)
953 {
954 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
955 int i;
956 int qxl_i;
957
958 qemu_mutex_lock(&qxl->ssd.lock);
959 if (surface_id != 0 || !num_updated_rects ||
960 !qxl->render_update_cookie_num) {
961 qemu_mutex_unlock(&qxl->ssd.lock);
962 return;
963 }
964 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
965 dirty->right, dirty->top, dirty->bottom);
966 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects);
967 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
968 /*
969 * overflow - treat this as a full update. Not expected to be common.
970 */
971 trace_qxl_interface_update_area_complete_overflow(qxl->id,
972 QXL_NUM_DIRTY_RECTS);
973 qxl->guest_primary.resized = 1;
974 }
975 if (qxl->guest_primary.resized) {
976 /*
977 * Don't bother copying or scheduling the bh since we will flip
978 * the whole area anyway on completion of the update_area async call
979 */
980 qemu_mutex_unlock(&qxl->ssd.lock);
981 return;
982 }
983 qxl_i = qxl->num_dirty_rects;
984 for (i = 0; i < num_updated_rects; i++) {
985 qxl->dirty[qxl_i++] = dirty[i];
986 }
987 qxl->num_dirty_rects += num_updated_rects;
988 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
989 qxl->num_dirty_rects);
990 qemu_bh_schedule(qxl->update_area_bh);
991 qemu_mutex_unlock(&qxl->ssd.lock);
992 }
993
994 /* called from spice server thread context only */
995 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
996 {
997 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
998 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
999
1000 switch (cookie->type) {
1001 case QXL_COOKIE_TYPE_IO:
1002 interface_async_complete_io(qxl, cookie);
1003 g_free(cookie);
1004 break;
1005 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
1006 qxl_render_update_area_done(qxl, cookie);
1007 break;
1008 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
1009 break;
1010 default:
1011 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
1012 __func__, cookie->type);
1013 g_free(cookie);
1014 }
1015 }
1016
1017 /* called from spice server thread context only */
1018 static void interface_set_client_capabilities(QXLInstance *sin,
1019 uint8_t client_present,
1020 uint8_t caps[58])
1021 {
1022 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1023
1024 if (qxl->revision < 4) {
1025 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
1026 qxl->revision);
1027 return;
1028 }
1029
1030 if (runstate_check(RUN_STATE_INMIGRATE) ||
1031 runstate_check(RUN_STATE_POSTMIGRATE)) {
1032 return;
1033 }
1034
1035 qxl->shadow_rom.client_present = client_present;
1036 memcpy(qxl->shadow_rom.client_capabilities, caps,
1037 sizeof(qxl->shadow_rom.client_capabilities));
1038 qxl->rom->client_present = client_present;
1039 memcpy(qxl->rom->client_capabilities, caps,
1040 sizeof(qxl->rom->client_capabilities));
1041 qxl_rom_set_dirty(qxl);
1042
1043 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT);
1044 }
1045
1046 static bool qxl_rom_monitors_config_changed(QXLRom *rom,
1047 VDAgentMonitorsConfig *monitors_config,
1048 unsigned int max_outputs)
1049 {
1050 int i;
1051 unsigned int monitors_count;
1052
1053 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs);
1054
1055 if (rom->client_monitors_config.count != monitors_count) {
1056 return true;
1057 }
1058
1059 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1060 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1061 QXLURect *rect = &rom->client_monitors_config.heads[i];
1062 /* monitor->depth ignored */
1063 if ((rect->left != monitor->x) ||
1064 (rect->top != monitor->y) ||
1065 (rect->right != monitor->x + monitor->width) ||
1066 (rect->bottom != monitor->y + monitor->height)) {
1067 return true;
1068 }
1069 }
1070
1071 return false;
1072 }
1073
1074 /* called from main context only */
1075 static int interface_client_monitors_config(QXLInstance *sin,
1076 VDAgentMonitorsConfig *monitors_config)
1077 {
1078 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
1079 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
1080 int i;
1081 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads);
1082 bool config_changed = false;
1083
1084 if (qxl->revision < 4) {
1085 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
1086 qxl->revision);
1087 return 0;
1088 }
1089 /*
1090 * Older windows drivers set int_mask to 0 when their ISR is called,
1091 * then later set it to ~0. So it doesn't relate to the actual interrupts
1092 * handled. However, they are old, so clearly they don't support this
1093 * interrupt
1094 */
1095 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 ||
1096 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) {
1097 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id,
1098 qxl->ram->int_mask,
1099 monitors_config);
1100 return 0;
1101 }
1102 if (!monitors_config) {
1103 return 1;
1104 }
1105
1106 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
1107 /* limit number of outputs based on setting limit */
1108 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) {
1109 max_outputs = qxl->max_outputs;
1110 }
1111 #endif
1112
1113 config_changed = qxl_rom_monitors_config_changed(rom,
1114 monitors_config,
1115 max_outputs);
1116
1117 memset(&rom->client_monitors_config, 0,
1118 sizeof(rom->client_monitors_config));
1119 rom->client_monitors_config.count = monitors_config->num_of_monitors;
1120 /* monitors_config->flags ignored */
1121 if (rom->client_monitors_config.count >= max_outputs) {
1122 trace_qxl_client_monitors_config_capped(qxl->id,
1123 monitors_config->num_of_monitors,
1124 max_outputs);
1125 rom->client_monitors_config.count = max_outputs;
1126 }
1127 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) {
1128 VDAgentMonConfig *monitor = &monitors_config->monitors[i];
1129 QXLURect *rect = &rom->client_monitors_config.heads[i];
1130 /* monitor->depth ignored */
1131 rect->left = monitor->x;
1132 rect->top = monitor->y;
1133 rect->right = monitor->x + monitor->width;
1134 rect->bottom = monitor->y + monitor->height;
1135 }
1136 rom->client_monitors_config_crc = qxl_crc32(
1137 (const uint8_t *)&rom->client_monitors_config,
1138 sizeof(rom->client_monitors_config));
1139 trace_qxl_client_monitors_config_crc(qxl->id,
1140 sizeof(rom->client_monitors_config),
1141 rom->client_monitors_config_crc);
1142
1143 trace_qxl_interrupt_client_monitors_config(qxl->id,
1144 rom->client_monitors_config.count,
1145 rom->client_monitors_config.heads);
1146 if (config_changed) {
1147 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG);
1148 }
1149 return 1;
1150 }
1151
1152 static const QXLInterface qxl_interface = {
1153 .base.type = SPICE_INTERFACE_QXL,
1154 .base.description = "qxl gpu",
1155 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
1156 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
1157
1158 .attache_worker = interface_attach_worker,
1159 .set_compression_level = interface_set_compression_level,
1160 #if SPICE_NEEDS_SET_MM_TIME
1161 .set_mm_time = interface_set_mm_time,
1162 #endif
1163 .get_init_info = interface_get_init_info,
1164
1165 /* the callbacks below are called from spice server thread context */
1166 .get_command = interface_get_command,
1167 .req_cmd_notification = interface_req_cmd_notification,
1168 .release_resource = interface_release_resource,
1169 .get_cursor_command = interface_get_cursor_command,
1170 .req_cursor_notification = interface_req_cursor_notification,
1171 .notify_update = interface_notify_update,
1172 .flush_resources = interface_flush_resources,
1173 .async_complete = interface_async_complete,
1174 .update_area_complete = interface_update_area_complete,
1175 .set_client_capabilities = interface_set_client_capabilities,
1176 .client_monitors_config = interface_client_monitors_config,
1177 };
1178
1179 static const GraphicHwOps qxl_ops = {
1180 .gfx_update = qxl_hw_update,
1181 };
1182
1183 static void qxl_enter_vga_mode(PCIQXLDevice *d)
1184 {
1185 if (d->mode == QXL_MODE_VGA) {
1186 return;
1187 }
1188 trace_qxl_enter_vga_mode(d->id);
1189 spice_qxl_driver_unload(&d->ssd.qxl);
1190 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
1191 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
1192 qemu_spice_create_host_primary(&d->ssd);
1193 d->mode = QXL_MODE_VGA;
1194 qemu_spice_display_switch(&d->ssd, d->ssd.ds);
1195 vga_dirty_log_start(&d->vga);
1196 graphic_hw_update(d->vga.con);
1197 }
1198
1199 static void qxl_exit_vga_mode(PCIQXLDevice *d)
1200 {
1201 if (d->mode != QXL_MODE_VGA) {
1202 return;
1203 }
1204 trace_qxl_exit_vga_mode(d->id);
1205 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d);
1206 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
1207 vga_dirty_log_stop(&d->vga);
1208 qxl_destroy_primary(d, QXL_SYNC);
1209 }
1210
1211 static void qxl_update_irq(PCIQXLDevice *d)
1212 {
1213 uint32_t pending = le32_to_cpu(d->ram->int_pending);
1214 uint32_t mask = le32_to_cpu(d->ram->int_mask);
1215 int level = !!(pending & mask);
1216 pci_set_irq(&d->pci, level);
1217 qxl_ring_set_dirty(d);
1218 }
1219
1220 static void qxl_check_state(PCIQXLDevice *d)
1221 {
1222 QXLRam *ram = d->ram;
1223 int spice_display_running = qemu_spice_display_is_running(&d->ssd);
1224
1225 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
1226 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
1227 }
1228
1229 static void qxl_reset_state(PCIQXLDevice *d)
1230 {
1231 QXLRom *rom = d->rom;
1232
1233 qxl_check_state(d);
1234 d->shadow_rom.update_id = cpu_to_le32(0);
1235 *rom = d->shadow_rom;
1236 qxl_rom_set_dirty(d);
1237 init_qxl_ram(d);
1238 d->num_free_res = 0;
1239 d->last_release = NULL;
1240 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
1241 qxl_update_irq(d);
1242 }
1243
1244 static void qxl_soft_reset(PCIQXLDevice *d)
1245 {
1246 trace_qxl_soft_reset(d->id);
1247 qxl_check_state(d);
1248 qxl_clear_guest_bug(d);
1249 qemu_mutex_lock(&d->async_lock);
1250 d->current_async = QXL_UNDEFINED_IO;
1251 qemu_mutex_unlock(&d->async_lock);
1252
1253 if (d->have_vga) {
1254 qxl_enter_vga_mode(d);
1255 } else {
1256 d->mode = QXL_MODE_UNDEFINED;
1257 }
1258 }
1259
1260 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
1261 {
1262 bool startstop = qemu_spice_display_is_running(&d->ssd);
1263
1264 trace_qxl_hard_reset(d->id, loadvm);
1265
1266 if (startstop) {
1267 qemu_spice_display_stop();
1268 }
1269
1270 qxl_spice_reset_cursor(d);
1271 qxl_spice_reset_image_cache(d);
1272 qxl_reset_surfaces(d);
1273 qxl_reset_memslots(d);
1274
1275 /* pre loadvm reset must not touch QXLRam. This lives in
1276 * device memory, is migrated together with RAM and thus
1277 * already loaded at this point */
1278 if (!loadvm) {
1279 qxl_reset_state(d);
1280 }
1281 qemu_spice_create_host_memslot(&d->ssd);
1282 qxl_soft_reset(d);
1283
1284 if (d->migration_blocker) {
1285 migrate_del_blocker(d->migration_blocker);
1286 error_free(d->migration_blocker);
1287 d->migration_blocker = NULL;
1288 }
1289
1290 if (startstop) {
1291 qemu_spice_display_start();
1292 }
1293 }
1294
1295 static void qxl_reset_handler(DeviceState *dev)
1296 {
1297 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev));
1298
1299 qxl_hard_reset(d, 0);
1300 }
1301
1302 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
1303 {
1304 VGACommonState *vga = opaque;
1305 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
1306
1307 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val);
1308 if (qxl->mode != QXL_MODE_VGA) {
1309 qxl_destroy_primary(qxl, QXL_SYNC);
1310 qxl_soft_reset(qxl);
1311 }
1312 vga_ioport_write(opaque, addr, val);
1313 }
1314
1315 static const MemoryRegionPortio qxl_vga_portio_list[] = {
1316 { 0x04, 2, 1, .read = vga_ioport_read,
1317 .write = qxl_vga_ioport_write }, /* 3b4 */
1318 { 0x0a, 1, 1, .read = vga_ioport_read,
1319 .write = qxl_vga_ioport_write }, /* 3ba */
1320 { 0x10, 16, 1, .read = vga_ioport_read,
1321 .write = qxl_vga_ioport_write }, /* 3c0 */
1322 { 0x24, 2, 1, .read = vga_ioport_read,
1323 .write = qxl_vga_ioport_write }, /* 3d4 */
1324 { 0x2a, 1, 1, .read = vga_ioport_read,
1325 .write = qxl_vga_ioport_write }, /* 3da */
1326 PORTIO_END_OF_LIST(),
1327 };
1328
1329 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
1330 qxl_async_io async)
1331 {
1332 static const int regions[] = {
1333 QXL_RAM_RANGE_INDEX,
1334 QXL_VRAM_RANGE_INDEX,
1335 QXL_VRAM64_RANGE_INDEX,
1336 };
1337 uint64_t guest_start;
1338 uint64_t guest_end;
1339 int pci_region;
1340 pcibus_t pci_start;
1341 pcibus_t pci_end;
1342 MemoryRegion *mr;
1343 intptr_t virt_start;
1344 QXLDevMemSlot memslot;
1345 int i;
1346
1347 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
1348 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
1349
1350 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
1351
1352 if (slot_id >= NUM_MEMSLOTS) {
1353 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
1354 slot_id, NUM_MEMSLOTS);
1355 return 1;
1356 }
1357 if (guest_start > guest_end) {
1358 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
1359 " > 0x%" PRIx64, __func__, guest_start, guest_end);
1360 return 1;
1361 }
1362
1363 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1364 pci_region = regions[i];
1365 pci_start = d->pci.io_regions[pci_region].addr;
1366 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1367 /* mapped? */
1368 if (pci_start == -1) {
1369 continue;
1370 }
1371 /* start address in range ? */
1372 if (guest_start < pci_start || guest_start > pci_end) {
1373 continue;
1374 }
1375 /* end address in range ? */
1376 if (guest_end > pci_end) {
1377 continue;
1378 }
1379 /* passed */
1380 break;
1381 }
1382 if (i == ARRAY_SIZE(regions)) {
1383 qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
1384 return 1;
1385 }
1386
1387 switch (pci_region) {
1388 case QXL_RAM_RANGE_INDEX:
1389 mr = &d->vga.vram;
1390 break;
1391 case QXL_VRAM_RANGE_INDEX:
1392 case 4 /* vram 64bit */:
1393 mr = &d->vram_bar;
1394 break;
1395 default:
1396 /* should not happen */
1397 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
1398 return 1;
1399 }
1400
1401 virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
1402 memslot.slot_id = slot_id;
1403 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1404 memslot.virt_start = virt_start + (guest_start - pci_start);
1405 memslot.virt_end = virt_start + (guest_end - pci_start);
1406 memslot.addr_delta = memslot.virt_start - delta;
1407 memslot.generation = d->rom->slot_generation = 0;
1408 qxl_rom_set_dirty(d);
1409
1410 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1411 d->guest_slots[slot_id].mr = mr;
1412 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start;
1413 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1414 d->guest_slots[slot_id].delta = delta;
1415 d->guest_slots[slot_id].active = 1;
1416 return 0;
1417 }
1418
1419 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1420 {
1421 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1422 d->guest_slots[slot_id].active = 0;
1423 }
1424
1425 static void qxl_reset_memslots(PCIQXLDevice *d)
1426 {
1427 qxl_spice_reset_memslots(d);
1428 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1429 }
1430
1431 static void qxl_reset_surfaces(PCIQXLDevice *d)
1432 {
1433 trace_qxl_reset_surfaces(d->id);
1434 d->mode = QXL_MODE_UNDEFINED;
1435 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1436 }
1437
1438 /* can be also called from spice server thread context */
1439 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1440 uint32_t *s, uint64_t *o)
1441 {
1442 uint64_t phys = le64_to_cpu(pqxl);
1443 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1444 uint64_t offset = phys & 0xffffffffffff;
1445
1446 if (slot >= NUM_MEMSLOTS) {
1447 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
1448 NUM_MEMSLOTS);
1449 return false;
1450 }
1451 if (!qxl->guest_slots[slot].active) {
1452 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
1453 return false;
1454 }
1455 if (offset < qxl->guest_slots[slot].delta) {
1456 qxl_set_guest_bug(qxl,
1457 "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
1458 slot, offset, qxl->guest_slots[slot].delta);
1459 return false;
1460 }
1461 offset -= qxl->guest_slots[slot].delta;
1462 if (offset > qxl->guest_slots[slot].size) {
1463 qxl_set_guest_bug(qxl,
1464 "slot %d offset %"PRIu64" > size %"PRIu64"\n",
1465 slot, offset, qxl->guest_slots[slot].size);
1466 return false;
1467 }
1468
1469 *s = slot;
1470 *o = offset;
1471 return true;
1472 }
1473
1474 /* can be also called from spice server thread context */
1475 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1476 {
1477 uint64_t offset;
1478 uint32_t slot;
1479 void *ptr;
1480
1481 switch (group_id) {
1482 case MEMSLOT_GROUP_HOST:
1483 offset = le64_to_cpu(pqxl) & 0xffffffffffff;
1484 return (void *)(intptr_t)offset;
1485 case MEMSLOT_GROUP_GUEST:
1486 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) {
1487 return NULL;
1488 }
1489 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr);
1490 ptr += qxl->guest_slots[slot].offset;
1491 ptr += offset;
1492 return ptr;
1493 }
1494 return NULL;
1495 }
1496
1497 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1498 {
1499 /* for local rendering */
1500 qxl_render_resize(qxl);
1501 }
1502
1503 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1504 qxl_async_io async)
1505 {
1506 QXLDevSurfaceCreate surface;
1507 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1508 uint32_t requested_height = le32_to_cpu(sc->height);
1509 int requested_stride = le32_to_cpu(sc->stride);
1510
1511 if (requested_stride == INT32_MIN ||
1512 abs(requested_stride) * (uint64_t)requested_height
1513 > qxl->vgamem_size) {
1514 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer"
1515 " stride %d x height %" PRIu32 " > %" PRIu32,
1516 __func__, requested_stride, requested_height,
1517 qxl->vgamem_size);
1518 return;
1519 }
1520
1521 if (qxl->mode == QXL_MODE_NATIVE) {
1522 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
1523 __func__);
1524 }
1525 qxl_exit_vga_mode(qxl);
1526
1527 surface.format = le32_to_cpu(sc->format);
1528 surface.height = le32_to_cpu(sc->height);
1529 surface.mem = le64_to_cpu(sc->mem);
1530 surface.position = le32_to_cpu(sc->position);
1531 surface.stride = le32_to_cpu(sc->stride);
1532 surface.width = le32_to_cpu(sc->width);
1533 surface.type = le32_to_cpu(sc->type);
1534 surface.flags = le32_to_cpu(sc->flags);
1535 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
1536 sc->format, sc->position);
1537 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
1538 sc->flags);
1539
1540 if ((surface.stride & 0x3) != 0) {
1541 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
1542 surface.stride);
1543 return;
1544 }
1545
1546 surface.mouse_mode = true;
1547 surface.group_id = MEMSLOT_GROUP_GUEST;
1548 if (loadvm) {
1549 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1550 }
1551
1552 qxl->mode = QXL_MODE_NATIVE;
1553 qxl->cmdflags = 0;
1554 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1555
1556 if (async == QXL_SYNC) {
1557 qxl_create_guest_primary_complete(qxl);
1558 }
1559 }
1560
1561 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1562 * done (in QXL_SYNC case), 0 otherwise. */
1563 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1564 {
1565 if (d->mode == QXL_MODE_UNDEFINED) {
1566 return 0;
1567 }
1568 trace_qxl_destroy_primary(d->id);
1569 d->mode = QXL_MODE_UNDEFINED;
1570 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1571 qxl_spice_reset_cursor(d);
1572 return 1;
1573 }
1574
1575 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm)
1576 {
1577 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1578 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1579 QXLMode *mode = d->modes->modes + modenr;
1580 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1581 QXLMemSlot slot = {
1582 .mem_start = start,
1583 .mem_end = end
1584 };
1585
1586 if (modenr >= d->modes->n_modes) {
1587 qxl_set_guest_bug(d, "mode number out of range");
1588 return;
1589 }
1590
1591 QXLSurfaceCreate surface = {
1592 .width = mode->x_res,
1593 .height = mode->y_res,
1594 .stride = -mode->x_res * 4,
1595 .format = SPICE_SURFACE_FMT_32_xRGB,
1596 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1597 .mouse_mode = true,
1598 .mem = devmem + d->shadow_rom.draw_area_offset,
1599 };
1600
1601 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
1602 devmem);
1603 if (!loadvm) {
1604 qxl_hard_reset(d, 0);
1605 }
1606
1607 d->guest_slots[0].slot = slot;
1608 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
1609
1610 d->guest_primary.surface = surface;
1611 qxl_create_guest_primary(d, 0, QXL_SYNC);
1612
1613 d->mode = QXL_MODE_COMPAT;
1614 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1615 if (mode->bits == 16) {
1616 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1617 }
1618 d->shadow_rom.mode = cpu_to_le32(modenr);
1619 d->rom->mode = cpu_to_le32(modenr);
1620 qxl_rom_set_dirty(d);
1621 }
1622
1623 static void ioport_write(void *opaque, hwaddr addr,
1624 uint64_t val, unsigned size)
1625 {
1626 PCIQXLDevice *d = opaque;
1627 uint32_t io_port = addr;
1628 qxl_async_io async = QXL_SYNC;
1629 uint32_t orig_io_port = io_port;
1630
1631 if (d->guest_bug && io_port != QXL_IO_RESET) {
1632 return;
1633 }
1634
1635 if (d->revision <= QXL_REVISION_STABLE_V10 &&
1636 io_port > QXL_IO_FLUSH_RELEASE) {
1637 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
1638 io_port, d->revision);
1639 return;
1640 }
1641
1642 switch (io_port) {
1643 case QXL_IO_RESET:
1644 case QXL_IO_SET_MODE:
1645 case QXL_IO_MEMSLOT_ADD:
1646 case QXL_IO_MEMSLOT_DEL:
1647 case QXL_IO_CREATE_PRIMARY:
1648 case QXL_IO_UPDATE_IRQ:
1649 case QXL_IO_LOG:
1650 case QXL_IO_MEMSLOT_ADD_ASYNC:
1651 case QXL_IO_CREATE_PRIMARY_ASYNC:
1652 break;
1653 default:
1654 if (d->mode != QXL_MODE_VGA) {
1655 break;
1656 }
1657 trace_qxl_io_unexpected_vga_mode(d->id,
1658 addr, val, io_port_to_string(io_port));
1659 /* be nice to buggy guest drivers */
1660 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1661 io_port < QXL_IO_RANGE_SIZE) {
1662 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1663 }
1664 return;
1665 }
1666
1667 /* we change the io_port to avoid ifdeffery in the main switch */
1668 orig_io_port = io_port;
1669 switch (io_port) {
1670 case QXL_IO_UPDATE_AREA_ASYNC:
1671 io_port = QXL_IO_UPDATE_AREA;
1672 goto async_common;
1673 case QXL_IO_MEMSLOT_ADD_ASYNC:
1674 io_port = QXL_IO_MEMSLOT_ADD;
1675 goto async_common;
1676 case QXL_IO_CREATE_PRIMARY_ASYNC:
1677 io_port = QXL_IO_CREATE_PRIMARY;
1678 goto async_common;
1679 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1680 io_port = QXL_IO_DESTROY_PRIMARY;
1681 goto async_common;
1682 case QXL_IO_DESTROY_SURFACE_ASYNC:
1683 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1684 goto async_common;
1685 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1686 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1687 goto async_common;
1688 case QXL_IO_FLUSH_SURFACES_ASYNC:
1689 case QXL_IO_MONITORS_CONFIG_ASYNC:
1690 async_common:
1691 async = QXL_ASYNC;
1692 qemu_mutex_lock(&d->async_lock);
1693 if (d->current_async != QXL_UNDEFINED_IO) {
1694 qxl_set_guest_bug(d, "%d async started before last (%d) complete",
1695 io_port, d->current_async);
1696 qemu_mutex_unlock(&d->async_lock);
1697 return;
1698 }
1699 d->current_async = orig_io_port;
1700 qemu_mutex_unlock(&d->async_lock);
1701 break;
1702 default:
1703 break;
1704 }
1705 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode),
1706 addr, io_port_to_string(addr),
1707 val, size, async);
1708
1709 switch (io_port) {
1710 case QXL_IO_UPDATE_AREA:
1711 {
1712 QXLCookie *cookie = NULL;
1713 QXLRect update = d->ram->update_area;
1714
1715 if (d->ram->update_surface > d->ssd.num_surfaces) {
1716 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
1717 d->ram->update_surface);
1718 break;
1719 }
1720 if (update.left >= update.right || update.top >= update.bottom ||
1721 update.left < 0 || update.top < 0) {
1722 qxl_set_guest_bug(d,
1723 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
1724 update.left, update.top, update.right, update.bottom);
1725 if (update.left == update.right || update.top == update.bottom) {
1726 /* old drivers may provide empty area, keep going */
1727 qxl_clear_guest_bug(d);
1728 goto cancel_async;
1729 }
1730 break;
1731 }
1732 if (async == QXL_ASYNC) {
1733 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1734 QXL_IO_UPDATE_AREA_ASYNC);
1735 cookie->u.area = update;
1736 }
1737 qxl_spice_update_area(d, d->ram->update_surface,
1738 cookie ? &cookie->u.area : &update,
1739 NULL, 0, 0, async, cookie);
1740 break;
1741 }
1742 case QXL_IO_NOTIFY_CMD:
1743 qemu_spice_wakeup(&d->ssd);
1744 break;
1745 case QXL_IO_NOTIFY_CURSOR:
1746 qemu_spice_wakeup(&d->ssd);
1747 break;
1748 case QXL_IO_UPDATE_IRQ:
1749 qxl_update_irq(d);
1750 break;
1751 case QXL_IO_NOTIFY_OOM:
1752 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1753 break;
1754 }
1755 d->oom_running = 1;
1756 qxl_spice_oom(d);
1757 d->oom_running = 0;
1758 break;
1759 case QXL_IO_SET_MODE:
1760 qxl_set_mode(d, val, 0);
1761 break;
1762 case QXL_IO_LOG:
1763 if (TRACE_QXL_IO_LOG_ENABLED || d->guestdebug) {
1764 /* We cannot trust the guest to NUL terminate d->ram->log_buf */
1765 char *log_buf = g_strndup((const char *)d->ram->log_buf,
1766 sizeof(d->ram->log_buf));
1767 trace_qxl_io_log(d->id, log_buf);
1768 if (d->guestdebug) {
1769 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1770 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), log_buf);
1771 }
1772 g_free(log_buf);
1773 }
1774 break;
1775 case QXL_IO_RESET:
1776 qxl_hard_reset(d, 0);
1777 break;
1778 case QXL_IO_MEMSLOT_ADD:
1779 if (val >= NUM_MEMSLOTS) {
1780 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1781 break;
1782 }
1783 if (d->guest_slots[val].active) {
1784 qxl_set_guest_bug(d,
1785 "QXL_IO_MEMSLOT_ADD: memory slot already active");
1786 break;
1787 }
1788 d->guest_slots[val].slot = d->ram->mem_slot;
1789 qxl_add_memslot(d, val, 0, async);
1790 break;
1791 case QXL_IO_MEMSLOT_DEL:
1792 if (val >= NUM_MEMSLOTS) {
1793 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1794 break;
1795 }
1796 qxl_del_memslot(d, val);
1797 break;
1798 case QXL_IO_CREATE_PRIMARY:
1799 if (val != 0) {
1800 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1801 async);
1802 goto cancel_async;
1803 }
1804 d->guest_primary.surface = d->ram->create_surface;
1805 qxl_create_guest_primary(d, 0, async);
1806 break;
1807 case QXL_IO_DESTROY_PRIMARY:
1808 if (val != 0) {
1809 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1810 async);
1811 goto cancel_async;
1812 }
1813 if (!qxl_destroy_primary(d, async)) {
1814 trace_qxl_io_destroy_primary_ignored(d->id,
1815 qxl_mode_to_string(d->mode));
1816 goto cancel_async;
1817 }
1818 break;
1819 case QXL_IO_DESTROY_SURFACE_WAIT:
1820 if (val >= d->ssd.num_surfaces) {
1821 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1822 "%" PRIu64 " >= NUM_SURFACES", async, val);
1823 goto cancel_async;
1824 }
1825 qxl_spice_destroy_surface_wait(d, val, async);
1826 break;
1827 case QXL_IO_FLUSH_RELEASE: {
1828 QXLReleaseRing *ring = &d->ram->release_ring;
1829 if (ring->prod - ring->cons + 1 == ring->num_items) {
1830 fprintf(stderr,
1831 "ERROR: no flush, full release ring [p%d,%dc]\n",
1832 ring->prod, ring->cons);
1833 }
1834 qxl_push_free_res(d, 1 /* flush */);
1835 break;
1836 }
1837 case QXL_IO_FLUSH_SURFACES_ASYNC:
1838 qxl_spice_flush_surfaces_async(d);
1839 break;
1840 case QXL_IO_DESTROY_ALL_SURFACES:
1841 d->mode = QXL_MODE_UNDEFINED;
1842 qxl_spice_destroy_surfaces(d, async);
1843 break;
1844 case QXL_IO_MONITORS_CONFIG_ASYNC:
1845 qxl_spice_monitors_config_async(d, 0);
1846 break;
1847 default:
1848 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
1849 }
1850 return;
1851 cancel_async:
1852 if (async) {
1853 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1854 qemu_mutex_lock(&d->async_lock);
1855 d->current_async = QXL_UNDEFINED_IO;
1856 qemu_mutex_unlock(&d->async_lock);
1857 }
1858 }
1859
1860 static uint64_t ioport_read(void *opaque, hwaddr addr,
1861 unsigned size)
1862 {
1863 PCIQXLDevice *qxl = opaque;
1864
1865 trace_qxl_io_read_unexpected(qxl->id);
1866 return 0xff;
1867 }
1868
1869 static const MemoryRegionOps qxl_io_ops = {
1870 .read = ioport_read,
1871 .write = ioport_write,
1872 .valid = {
1873 .min_access_size = 1,
1874 .max_access_size = 1,
1875 },
1876 };
1877
1878 static void qxl_update_irq_bh(void *opaque)
1879 {
1880 PCIQXLDevice *d = opaque;
1881 qxl_update_irq(d);
1882 }
1883
1884 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1885 {
1886 uint32_t old_pending;
1887 uint32_t le_events = cpu_to_le32(events);
1888
1889 trace_qxl_send_events(d->id, events);
1890 if (!qemu_spice_display_is_running(&d->ssd)) {
1891 /* spice-server tracks guest running state and should not do this */
1892 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
1893 __func__);
1894 trace_qxl_send_events_vm_stopped(d->id, events);
1895 return;
1896 }
1897 /*
1898 * Older versions of Spice forgot to define the QXLRam struct
1899 * with the '__aligned__(4)' attribute. clang 7 and newer will
1900 * thus warn that atomic_fetch_or(&d->ram->int_pending, ...)
1901 * might be a misaligned atomic access, and will generate an
1902 * out-of-line call for it, which results in a link error since
1903 * we don't currently link against libatomic.
1904 *
1905 * In fact we set up d->ram in init_qxl_ram() so it always starts
1906 * at a 4K boundary, so we know that &d->ram->int_pending is
1907 * naturally aligned for a uint32_t. Newer Spice versions
1908 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1)
1909 * will fix the bug directly. To deal with older versions,
1910 * we tell the compiler to assume the address really is aligned.
1911 * Any compiler which cares about the misalignment will have
1912 * __builtin_assume_aligned.
1913 */
1914 #ifdef HAS_ASSUME_ALIGNED
1915 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4))
1916 #else
1917 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P)
1918 #endif
1919
1920 old_pending = atomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending),
1921 le_events);
1922 if ((old_pending & le_events) == le_events) {
1923 return;
1924 }
1925 qemu_bh_schedule(d->update_irq);
1926 }
1927
1928 /* graphics console */
1929
1930 static void qxl_hw_update(void *opaque)
1931 {
1932 PCIQXLDevice *qxl = opaque;
1933
1934 qxl_render_update(qxl);
1935 }
1936
1937 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl,
1938 uint32_t height, int32_t stride)
1939 {
1940 uint64_t offset, size;
1941 uint32_t slot;
1942 bool rc;
1943
1944 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset);
1945 assert(rc == true);
1946 size = (uint64_t)height * abs(stride);
1947 trace_qxl_surfaces_dirty(qxl->id, offset, size);
1948 qxl_set_dirty(qxl->guest_slots[slot].mr,
1949 qxl->guest_slots[slot].offset + offset,
1950 qxl->guest_slots[slot].offset + offset + size);
1951 }
1952
1953 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1954 {
1955 int i;
1956
1957 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1958 return;
1959 }
1960
1961 /* dirty the primary surface */
1962 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem,
1963 qxl->guest_primary.surface.height,
1964 qxl->guest_primary.surface.stride);
1965
1966 /* dirty the off-screen surfaces */
1967 for (i = 0; i < qxl->ssd.num_surfaces; i++) {
1968 QXLSurfaceCmd *cmd;
1969
1970 if (qxl->guest_surfaces.cmds[i] == 0) {
1971 continue;
1972 }
1973
1974 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1975 MEMSLOT_GROUP_GUEST);
1976 assert(cmd);
1977 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1978 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data,
1979 cmd->u.surface_create.height,
1980 cmd->u.surface_create.stride);
1981 }
1982 }
1983
1984 static void qxl_vm_change_state_handler(void *opaque, int running,
1985 RunState state)
1986 {
1987 PCIQXLDevice *qxl = opaque;
1988
1989 if (running) {
1990 /*
1991 * if qxl_send_events was called from spice server context before
1992 * migration ended, qxl_update_irq for these events might not have been
1993 * called
1994 */
1995 qxl_update_irq(qxl);
1996 } else {
1997 /* make sure surfaces are saved before migration */
1998 qxl_dirty_surfaces(qxl);
1999 }
2000 }
2001
2002 /* display change listener */
2003
2004 static void display_update(DisplayChangeListener *dcl,
2005 int x, int y, int w, int h)
2006 {
2007 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2008
2009 if (qxl->mode == QXL_MODE_VGA) {
2010 qemu_spice_display_update(&qxl->ssd, x, y, w, h);
2011 }
2012 }
2013
2014 static void display_switch(DisplayChangeListener *dcl,
2015 struct DisplaySurface *surface)
2016 {
2017 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2018
2019 qxl->ssd.ds = surface;
2020 if (qxl->mode == QXL_MODE_VGA) {
2021 qemu_spice_display_switch(&qxl->ssd, surface);
2022 }
2023 }
2024
2025 static void display_refresh(DisplayChangeListener *dcl)
2026 {
2027 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
2028
2029 if (qxl->mode == QXL_MODE_VGA) {
2030 qemu_spice_display_refresh(&qxl->ssd);
2031 }
2032 }
2033
2034 static DisplayChangeListenerOps display_listener_ops = {
2035 .dpy_name = "spice/qxl",
2036 .dpy_gfx_update = display_update,
2037 .dpy_gfx_switch = display_switch,
2038 .dpy_refresh = display_refresh,
2039 };
2040
2041 static void qxl_init_ramsize(PCIQXLDevice *qxl)
2042 {
2043 /* vga mode framebuffer / primary surface (bar 0, first part) */
2044 if (qxl->vgamem_size_mb < 8) {
2045 qxl->vgamem_size_mb = 8;
2046 }
2047 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
2048 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
2049 */
2050 if (qxl->vgamem_size_mb > 256) {
2051 qxl->vgamem_size_mb = 256;
2052 }
2053 qxl->vgamem_size = qxl->vgamem_size_mb * MiB;
2054
2055 /* vga ram (bar 0, total) */
2056 if (qxl->ram_size_mb != -1) {
2057 qxl->vga.vram_size = qxl->ram_size_mb * MiB;
2058 }
2059 if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
2060 qxl->vga.vram_size = qxl->vgamem_size * 2;
2061 }
2062
2063 /* vram32 (surfaces, 32bit, bar 1) */
2064 if (qxl->vram32_size_mb != -1) {
2065 qxl->vram32_size = qxl->vram32_size_mb * MiB;
2066 }
2067 if (qxl->vram32_size < 4096) {
2068 qxl->vram32_size = 4096;
2069 }
2070
2071 /* vram (surfaces, 64bit, bar 4+5) */
2072 if (qxl->vram_size_mb != -1) {
2073 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB;
2074 }
2075 if (qxl->vram_size < qxl->vram32_size) {
2076 qxl->vram_size = qxl->vram32_size;
2077 }
2078
2079 if (qxl->revision == 1) {
2080 qxl->vram32_size = 4096;
2081 qxl->vram_size = 4096;
2082 }
2083 qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
2084 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
2085 qxl->vram32_size = pow2ceil(qxl->vram32_size);
2086 qxl->vram_size = pow2ceil(qxl->vram_size);
2087 }
2088
2089 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
2090 {
2091 uint8_t* config = qxl->pci.config;
2092 uint32_t pci_device_rev;
2093 uint32_t io_size;
2094
2095 qemu_spice_display_init_common(&qxl->ssd);
2096 qxl->mode = QXL_MODE_UNDEFINED;
2097 qxl->num_memslots = NUM_MEMSLOTS;
2098 qemu_mutex_init(&qxl->track_lock);
2099 qemu_mutex_init(&qxl->async_lock);
2100 qxl->current_async = QXL_UNDEFINED_IO;
2101 qxl->guest_bug = 0;
2102
2103 switch (qxl->revision) {
2104 case 1: /* spice 0.4 -- qxl-1 */
2105 pci_device_rev = QXL_REVISION_STABLE_V04;
2106 io_size = 8;
2107 break;
2108 case 2: /* spice 0.6 -- qxl-2 */
2109 pci_device_rev = QXL_REVISION_STABLE_V06;
2110 io_size = 16;
2111 break;
2112 case 3: /* qxl-3 */
2113 pci_device_rev = QXL_REVISION_STABLE_V10;
2114 io_size = 32; /* PCI region size must be pow2 */
2115 break;
2116 case 4: /* qxl-4 */
2117 pci_device_rev = QXL_REVISION_STABLE_V12;
2118 io_size = pow2ceil(QXL_IO_RANGE_SIZE);
2119 break;
2120 default:
2121 error_setg(errp, "Invalid revision %d for qxl device (max %d)",
2122 qxl->revision, QXL_DEFAULT_REVISION);
2123 return;
2124 }
2125
2126 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
2127 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
2128
2129 qxl->rom_size = qxl_rom_size();
2130 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom",
2131 qxl->rom_size, &error_fatal);
2132 init_qxl_rom(qxl);
2133 init_qxl_ram(qxl);
2134
2135 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces);
2136 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram",
2137 qxl->vram_size, &error_fatal);
2138 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32",
2139 &qxl->vram_bar, 0, qxl->vram32_size);
2140
2141 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
2142 "qxl-ioports", io_size);
2143 if (qxl->have_vga) {
2144 vga_dirty_log_start(&qxl->vga);
2145 }
2146 memory_region_set_flush_coalesced(&qxl->io_bar);
2147
2148
2149 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
2150 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
2151
2152 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
2153 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
2154
2155 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
2156 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
2157
2158 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
2159 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
2160
2161 if (qxl->vram32_size < qxl->vram_size) {
2162 /*
2163 * Make the 64bit vram bar show up only in case it is
2164 * configured to be larger than the 32bit vram bar.
2165 */
2166 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
2167 PCI_BASE_ADDRESS_SPACE_MEMORY |
2168 PCI_BASE_ADDRESS_MEM_TYPE_64 |
2169 PCI_BASE_ADDRESS_MEM_PREFETCH,
2170 &qxl->vram_bar);
2171 }
2172
2173 /* print pci bar details */
2174 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n",
2175 qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB);
2176 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n",
2177 qxl->vram32_size / MiB);
2178 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n",
2179 qxl->vram_size / MiB,
2180 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
2181
2182 qxl->ssd.qxl.base.sif = &qxl_interface.base;
2183 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) {
2184 error_setg(errp, "qxl interface %d.%d not supported by spice-server",
2185 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR);
2186 return;
2187 }
2188
2189 #if SPICE_SERVER_VERSION >= 0x000e02 /* release 0.14.2 */
2190 char device_address[256] = "";
2191 if (qemu_spice_fill_device_address(qxl->vga.con, device_address, 256)) {
2192 spice_qxl_set_device_info(&qxl->ssd.qxl,
2193 device_address,
2194 0,
2195 qxl->max_outputs);
2196 }
2197 #endif
2198
2199 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
2200
2201 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl);
2202 qxl_reset_state(qxl);
2203
2204 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
2205 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd);
2206 }
2207
2208 static void qxl_realize_primary(PCIDevice *dev, Error **errp)
2209 {
2210 PCIQXLDevice *qxl = PCI_QXL(dev);
2211 VGACommonState *vga = &qxl->vga;
2212 Error *local_err = NULL;
2213
2214 qxl_init_ramsize(qxl);
2215 vga->vbe_size = qxl->vgamem_size;
2216 vga->vram_size_mb = qxl->vga.vram_size / MiB;
2217 vga_common_init(vga, OBJECT(dev));
2218 vga_init(vga, OBJECT(dev),
2219 pci_address_space(dev), pci_address_space_io(dev), false);
2220 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
2221 vga, "vga");
2222 portio_list_set_flush_coalesced(&qxl->vga_port_list);
2223 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
2224 qxl->have_vga = true;
2225
2226 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2227 qxl->id = qemu_console_get_index(vga->con); /* == channel_id */
2228 if (qxl->id != 0) {
2229 error_setg(errp, "primary qxl-vga device must be console 0 "
2230 "(first display device on the command line)");
2231 return;
2232 }
2233
2234 qxl_realize_common(qxl, &local_err);
2235 if (local_err) {
2236 error_propagate(errp, local_err);
2237 return;
2238 }
2239
2240 qxl->ssd.dcl.ops = &display_listener_ops;
2241 qxl->ssd.dcl.con = vga->con;
2242 register_displaychangelistener(&qxl->ssd.dcl);
2243 }
2244
2245 static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
2246 {
2247 PCIQXLDevice *qxl = PCI_QXL(dev);
2248
2249 qxl_init_ramsize(qxl);
2250 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
2251 qxl->vga.vram_size, &error_fatal);
2252 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
2253 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
2254 qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */
2255
2256 qxl_realize_common(qxl, errp);
2257 }
2258
2259 static int qxl_pre_save(void *opaque)
2260 {
2261 PCIQXLDevice* d = opaque;
2262 uint8_t *ram_start = d->vga.vram_ptr;
2263
2264 trace_qxl_pre_save(d->id);
2265 if (d->last_release == NULL) {
2266 d->last_release_offset = 0;
2267 } else {
2268 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
2269 }
2270 assert(d->last_release_offset < d->vga.vram_size);
2271
2272 return 0;
2273 }
2274
2275 static int qxl_pre_load(void *opaque)
2276 {
2277 PCIQXLDevice* d = opaque;
2278
2279 trace_qxl_pre_load(d->id);
2280 qxl_hard_reset(d, 1);
2281 qxl_exit_vga_mode(d);
2282 return 0;
2283 }
2284
2285 static void qxl_create_memslots(PCIQXLDevice *d)
2286 {
2287 int i;
2288
2289 for (i = 0; i < NUM_MEMSLOTS; i++) {
2290 if (!d->guest_slots[i].active) {
2291 continue;
2292 }
2293 qxl_add_memslot(d, i, 0, QXL_SYNC);
2294 }
2295 }
2296
2297 static int qxl_post_load(void *opaque, int version)
2298 {
2299 PCIQXLDevice* d = opaque;
2300 uint8_t *ram_start = d->vga.vram_ptr;
2301 QXLCommandExt *cmds;
2302 int in, out, newmode;
2303
2304 assert(d->last_release_offset < d->vga.vram_size);
2305 if (d->last_release_offset == 0) {
2306 d->last_release = NULL;
2307 } else {
2308 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
2309 }
2310
2311 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
2312
2313 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode));
2314 newmode = d->mode;
2315 d->mode = QXL_MODE_UNDEFINED;
2316
2317 switch (newmode) {
2318 case QXL_MODE_UNDEFINED:
2319 qxl_create_memslots(d);
2320 break;
2321 case QXL_MODE_VGA:
2322 qxl_create_memslots(d);
2323 qxl_enter_vga_mode(d);
2324 break;
2325 case QXL_MODE_NATIVE:
2326 qxl_create_memslots(d);
2327 qxl_create_guest_primary(d, 1, QXL_SYNC);
2328
2329 /* replay surface-create and cursor-set commands */
2330 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1);
2331 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) {
2332 if (d->guest_surfaces.cmds[in] == 0) {
2333 continue;
2334 }
2335 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
2336 cmds[out].cmd.type = QXL_CMD_SURFACE;
2337 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2338 out++;
2339 }
2340 if (d->guest_cursor) {
2341 cmds[out].cmd.data = d->guest_cursor;
2342 cmds[out].cmd.type = QXL_CMD_CURSOR;
2343 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
2344 out++;
2345 }
2346 qxl_spice_loadvm_commands(d, cmds, out);
2347 g_free(cmds);
2348 if (d->guest_monitors_config) {
2349 qxl_spice_monitors_config_async(d, 1);
2350 }
2351 break;
2352 case QXL_MODE_COMPAT:
2353 /* note: no need to call qxl_create_memslots, qxl_set_mode
2354 * creates the mem slot. */
2355 qxl_set_mode(d, d->shadow_rom.mode, 1);
2356 break;
2357 }
2358 return 0;
2359 }
2360
2361 #define QXL_SAVE_VERSION 21
2362
2363 static bool qxl_monitors_config_needed(void *opaque)
2364 {
2365 PCIQXLDevice *qxl = opaque;
2366
2367 return qxl->guest_monitors_config != 0;
2368 }
2369
2370
2371 static VMStateDescription qxl_memslot = {
2372 .name = "qxl-memslot",
2373 .version_id = QXL_SAVE_VERSION,
2374 .minimum_version_id = QXL_SAVE_VERSION,
2375 .fields = (VMStateField[]) {
2376 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
2377 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
2378 VMSTATE_UINT32(active, struct guest_slots),
2379 VMSTATE_END_OF_LIST()
2380 }
2381 };
2382
2383 static VMStateDescription qxl_surface = {
2384 .name = "qxl-surface",
2385 .version_id = QXL_SAVE_VERSION,
2386 .minimum_version_id = QXL_SAVE_VERSION,
2387 .fields = (VMStateField[]) {
2388 VMSTATE_UINT32(width, QXLSurfaceCreate),
2389 VMSTATE_UINT32(height, QXLSurfaceCreate),
2390 VMSTATE_INT32(stride, QXLSurfaceCreate),
2391 VMSTATE_UINT32(format, QXLSurfaceCreate),
2392 VMSTATE_UINT32(position, QXLSurfaceCreate),
2393 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
2394 VMSTATE_UINT32(flags, QXLSurfaceCreate),
2395 VMSTATE_UINT32(type, QXLSurfaceCreate),
2396 VMSTATE_UINT64(mem, QXLSurfaceCreate),
2397 VMSTATE_END_OF_LIST()
2398 }
2399 };
2400
2401 static VMStateDescription qxl_vmstate_monitors_config = {
2402 .name = "qxl/monitors-config",
2403 .version_id = 1,
2404 .minimum_version_id = 1,
2405 .needed = qxl_monitors_config_needed,
2406 .fields = (VMStateField[]) {
2407 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice),
2408 VMSTATE_END_OF_LIST()
2409 },
2410 };
2411
2412 static VMStateDescription qxl_vmstate = {
2413 .name = "qxl",
2414 .version_id = QXL_SAVE_VERSION,
2415 .minimum_version_id = QXL_SAVE_VERSION,
2416 .pre_save = qxl_pre_save,
2417 .pre_load = qxl_pre_load,
2418 .post_load = qxl_post_load,
2419 .fields = (VMStateField[]) {
2420 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
2421 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
2422 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
2423 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
2424 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
2425 VMSTATE_UINT32(mode, PCIQXLDevice),
2426 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
2427 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL),
2428 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
2429 qxl_memslot, struct guest_slots),
2430 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
2431 qxl_surface, QXLSurfaceCreate),
2432 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL),
2433 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice,
2434 ssd.num_surfaces, 0,
2435 vmstate_info_uint64, uint64_t),
2436 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
2437 VMSTATE_END_OF_LIST()
2438 },
2439 .subsections = (const VMStateDescription*[]) {
2440 &qxl_vmstate_monitors_config,
2441 NULL
2442 }
2443 };
2444
2445 static Property qxl_properties[] = {
2446 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB),
2447 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB),
2448 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
2449 QXL_DEFAULT_REVISION),
2450 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
2451 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
2452 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
2453 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
2454 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
2455 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
2456 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
2457 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024),
2458 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */
2459 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0),
2460 #endif
2461 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0),
2462 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0),
2463 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false),
2464 DEFINE_PROP_END_OF_LIST(),
2465 };
2466
2467 static void qxl_pci_class_init(ObjectClass *klass, void *data)
2468 {
2469 DeviceClass *dc = DEVICE_CLASS(klass);
2470 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2471
2472 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2473 k->device_id = QXL_DEVICE_ID_STABLE;
2474 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
2475 dc->reset = qxl_reset_handler;
2476 dc->vmsd = &qxl_vmstate;
2477 dc->props = qxl_properties;
2478 }
2479
2480 static const TypeInfo qxl_pci_type_info = {
2481 .name = TYPE_PCI_QXL,
2482 .parent = TYPE_PCI_DEVICE,
2483 .instance_size = sizeof(PCIQXLDevice),
2484 .abstract = true,
2485 .class_init = qxl_pci_class_init,
2486 .interfaces = (InterfaceInfo[]) {
2487 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
2488 { },
2489 },
2490 };
2491
2492 static void qxl_primary_class_init(ObjectClass *klass, void *data)
2493 {
2494 DeviceClass *dc = DEVICE_CLASS(klass);
2495 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2496
2497 k->realize = qxl_realize_primary;
2498 k->romfile = "vgabios-qxl.bin";
2499 k->class_id = PCI_CLASS_DISPLAY_VGA;
2500 dc->desc = "Spice QXL GPU (primary, vga compatible)";
2501 dc->hotpluggable = false;
2502 }
2503
2504 static const TypeInfo qxl_primary_info = {
2505 .name = "qxl-vga",
2506 .parent = TYPE_PCI_QXL,
2507 .class_init = qxl_primary_class_init,
2508 };
2509
2510 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
2511 {
2512 DeviceClass *dc = DEVICE_CLASS(klass);
2513 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
2514
2515 k->realize = qxl_realize_secondary;
2516 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2517 dc->desc = "Spice QXL GPU (secondary)";
2518 }
2519
2520 static const TypeInfo qxl_secondary_info = {
2521 .name = "qxl",
2522 .parent = TYPE_PCI_QXL,
2523 .class_init = qxl_secondary_class_init,
2524 };
2525
2526 static void qxl_register_types(void)
2527 {
2528 type_register_static(&qxl_pci_type_info);
2529 type_register_static(&qxl_primary_info);
2530 type_register_static(&qxl_secondary_info);
2531 }
2532
2533 type_init(qxl_register_types)
Mirror of https://git.qemu.org/git/qemu.git