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qxl: upon reset, if spice worker is stopped, the command rings can be not empty
[qemu.git] / hw / qxl.c
bloba6fb7f0acb716e030b8825178e56a3fac0b26665
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 <pthread.h>
22
23 #include "qemu-common.h"
24 #include "qemu-timer.h"
25 #include "qemu-queue.h"
26 #include "monitor.h"
27 #include "sysemu.h"
28
29 #include "qxl.h"
30
31 #undef SPICE_RING_PROD_ITEM
32 #define SPICE_RING_PROD_ITEM(r, ret) { \
33 typeof(r) start = r; \
34 typeof(r) end = r + 1; \
35 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
36 typeof(&(r)->items[prod]) m_item = &(r)->items[prod]; \
37 if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
38 abort(); \
39 } \
40 ret = &m_item->el; \
41 }
42
43 #undef SPICE_RING_CONS_ITEM
44 #define SPICE_RING_CONS_ITEM(r, ret) { \
45 typeof(r) start = r; \
46 typeof(r) end = r + 1; \
47 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
48 typeof(&(r)->items[cons]) m_item = &(r)->items[cons]; \
49 if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
50 abort(); \
51 } \
52 ret = &m_item->el; \
53 }
54
55 #undef ALIGN
56 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
57
58 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
59
60 #define QXL_MODE(_x, _y, _b, _o) \
61 { .x_res = _x, \
62 .y_res = _y, \
63 .bits = _b, \
64 .stride = (_x) * (_b) / 8, \
65 .x_mili = PIXEL_SIZE * (_x), \
66 .y_mili = PIXEL_SIZE * (_y), \
67 .orientation = _o, \
68 }
69
70 #define QXL_MODE_16_32(x_res, y_res, orientation) \
71 QXL_MODE(x_res, y_res, 16, orientation), \
72 QXL_MODE(x_res, y_res, 32, orientation)
73
74 #define QXL_MODE_EX(x_res, y_res) \
75 QXL_MODE_16_32(x_res, y_res, 0), \
76 QXL_MODE_16_32(y_res, x_res, 1), \
77 QXL_MODE_16_32(x_res, y_res, 2), \
78 QXL_MODE_16_32(y_res, x_res, 3)
79
80 static QXLMode qxl_modes[] = {
81 QXL_MODE_EX(640, 480),
82 QXL_MODE_EX(800, 480),
83 QXL_MODE_EX(800, 600),
84 QXL_MODE_EX(832, 624),
85 QXL_MODE_EX(960, 640),
86 QXL_MODE_EX(1024, 600),
87 QXL_MODE_EX(1024, 768),
88 QXL_MODE_EX(1152, 864),
89 QXL_MODE_EX(1152, 870),
90 QXL_MODE_EX(1280, 720),
91 QXL_MODE_EX(1280, 760),
92 QXL_MODE_EX(1280, 768),
93 QXL_MODE_EX(1280, 800),
94 QXL_MODE_EX(1280, 960),
95 QXL_MODE_EX(1280, 1024),
96 QXL_MODE_EX(1360, 768),
97 QXL_MODE_EX(1366, 768),
98 QXL_MODE_EX(1400, 1050),
99 QXL_MODE_EX(1440, 900),
100 QXL_MODE_EX(1600, 900),
101 QXL_MODE_EX(1600, 1200),
102 QXL_MODE_EX(1680, 1050),
103 QXL_MODE_EX(1920, 1080),
104 #if VGA_RAM_SIZE >= (16 * 1024 * 1024)
105 /* these modes need more than 8 MB video memory */
106 QXL_MODE_EX(1920, 1200),
107 QXL_MODE_EX(1920, 1440),
108 QXL_MODE_EX(2048, 1536),
109 QXL_MODE_EX(2560, 1440),
110 QXL_MODE_EX(2560, 1600),
111 #endif
112 #if VGA_RAM_SIZE >= (32 * 1024 * 1024)
113 /* these modes need more than 16 MB video memory */
114 QXL_MODE_EX(2560, 2048),
115 QXL_MODE_EX(2800, 2100),
116 QXL_MODE_EX(3200, 2400),
117 #endif
118 };
119
120 static PCIQXLDevice *qxl0;
121
122 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
123 static void qxl_destroy_primary(PCIQXLDevice *d);
124 static void qxl_reset_memslots(PCIQXLDevice *d);
125 static void qxl_reset_surfaces(PCIQXLDevice *d);
126 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
127
128 static inline uint32_t msb_mask(uint32_t val)
129 {
130 uint32_t mask;
131
132 do {
133 mask = ~(val - 1) & val;
134 val &= ~mask;
135 } while (mask < val);
136
137 return mask;
138 }
139
140 static ram_addr_t qxl_rom_size(void)
141 {
142 uint32_t rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
143 rom_size = MAX(rom_size, TARGET_PAGE_SIZE);
144 rom_size = msb_mask(rom_size * 2 - 1);
145 return rom_size;
146 }
147
148 static void init_qxl_rom(PCIQXLDevice *d)
149 {
150 QXLRom *rom = qemu_get_ram_ptr(d->rom_offset);
151 QXLModes *modes = (QXLModes *)(rom + 1);
152 uint32_t ram_header_size;
153 uint32_t surface0_area_size;
154 uint32_t num_pages;
155 uint32_t fb, maxfb = 0;
156 int i;
157
158 memset(rom, 0, d->rom_size);
159
160 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
161 rom->id = cpu_to_le32(d->id);
162 rom->log_level = cpu_to_le32(d->guestdebug);
163 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
164
165 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
166 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
167 rom->slots_start = 1;
168 rom->slots_end = NUM_MEMSLOTS - 1;
169 rom->n_surfaces = cpu_to_le32(NUM_SURFACES);
170
171 modes->n_modes = cpu_to_le32(ARRAY_SIZE(qxl_modes));
172 for (i = 0; i < modes->n_modes; i++) {
173 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
174 if (maxfb < fb) {
175 maxfb = fb;
176 }
177 modes->modes[i].id = cpu_to_le32(i);
178 modes->modes[i].x_res = cpu_to_le32(qxl_modes[i].x_res);
179 modes->modes[i].y_res = cpu_to_le32(qxl_modes[i].y_res);
180 modes->modes[i].bits = cpu_to_le32(qxl_modes[i].bits);
181 modes->modes[i].stride = cpu_to_le32(qxl_modes[i].stride);
182 modes->modes[i].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
183 modes->modes[i].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
184 modes->modes[i].orientation = cpu_to_le32(qxl_modes[i].orientation);
185 }
186 if (maxfb < VGA_RAM_SIZE && d->id == 0)
187 maxfb = VGA_RAM_SIZE;
188
189 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
190 surface0_area_size = ALIGN(maxfb, 4096);
191 num_pages = d->vga.vram_size;
192 num_pages -= ram_header_size;
193 num_pages -= surface0_area_size;
194 num_pages = num_pages / TARGET_PAGE_SIZE;
195
196 rom->draw_area_offset = cpu_to_le32(0);
197 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
198 rom->pages_offset = cpu_to_le32(surface0_area_size);
199 rom->num_pages = cpu_to_le32(num_pages);
200 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
201
202 d->shadow_rom = *rom;
203 d->rom = rom;
204 d->modes = modes;
205 }
206
207 static void init_qxl_ram(PCIQXLDevice *d)
208 {
209 uint8_t *buf;
210 uint64_t *item;
211
212 buf = d->vga.vram_ptr;
213 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
214 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
215 d->ram->int_pending = cpu_to_le32(0);
216 d->ram->int_mask = cpu_to_le32(0);
217 SPICE_RING_INIT(&d->ram->cmd_ring);
218 SPICE_RING_INIT(&d->ram->cursor_ring);
219 SPICE_RING_INIT(&d->ram->release_ring);
220 SPICE_RING_PROD_ITEM(&d->ram->release_ring, item);
221 *item = 0;
222 qxl_ring_set_dirty(d);
223 }
224
225 /* can be called from spice server thread context */
226 static void qxl_set_dirty(ram_addr_t addr, ram_addr_t end)
227 {
228 while (addr < end) {
229 cpu_physical_memory_set_dirty(addr);
230 addr += TARGET_PAGE_SIZE;
231 }
232 }
233
234 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
235 {
236 ram_addr_t addr = qxl->rom_offset;
237 qxl_set_dirty(addr, addr + qxl->rom_size);
238 }
239
240 /* called from spice server thread context only */
241 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
242 {
243 ram_addr_t addr = qxl->vga.vram_offset;
244 void *base = qxl->vga.vram_ptr;
245 intptr_t offset;
246
247 offset = ptr - base;
248 offset &= ~(TARGET_PAGE_SIZE-1);
249 assert(offset < qxl->vga.vram_size);
250 qxl_set_dirty(addr + offset, addr + offset + TARGET_PAGE_SIZE);
251 }
252
253 /* can be called from spice server thread context */
254 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
255 {
256 ram_addr_t addr = qxl->vga.vram_offset + qxl->shadow_rom.ram_header_offset;
257 ram_addr_t end = qxl->vga.vram_offset + qxl->vga.vram_size;
258 qxl_set_dirty(addr, end);
259 }
260
261 /*
262 * keep track of some command state, for savevm/loadvm.
263 * called from spice server thread context only
264 */
265 static void qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
266 {
267 switch (le32_to_cpu(ext->cmd.type)) {
268 case QXL_CMD_SURFACE:
269 {
270 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
271 uint32_t id = le32_to_cpu(cmd->surface_id);
272 PANIC_ON(id >= NUM_SURFACES);
273 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
274 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
275 qxl->guest_surfaces.count++;
276 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
277 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
278 }
279 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
280 qxl->guest_surfaces.cmds[id] = 0;
281 qxl->guest_surfaces.count--;
282 }
283 break;
284 }
285 case QXL_CMD_CURSOR:
286 {
287 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
288 if (cmd->type == QXL_CURSOR_SET) {
289 qxl->guest_cursor = ext->cmd.data;
290 }
291 break;
292 }
293 }
294 }
295
296 /* spice display interface callbacks */
297
298 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
299 {
300 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
301
302 dprint(qxl, 1, "%s:\n", __FUNCTION__);
303 qxl->ssd.worker = qxl_worker;
304 }
305
306 static void interface_set_compression_level(QXLInstance *sin, int level)
307 {
308 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
309
310 dprint(qxl, 1, "%s: %d\n", __FUNCTION__, level);
311 qxl->shadow_rom.compression_level = cpu_to_le32(level);
312 qxl->rom->compression_level = cpu_to_le32(level);
313 qxl_rom_set_dirty(qxl);
314 }
315
316 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
317 {
318 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
319
320 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
321 qxl->rom->mm_clock = cpu_to_le32(mm_time);
322 qxl_rom_set_dirty(qxl);
323 }
324
325 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
326 {
327 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
328
329 dprint(qxl, 1, "%s:\n", __FUNCTION__);
330 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
331 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
332 info->num_memslots = NUM_MEMSLOTS;
333 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
334 info->internal_groupslot_id = 0;
335 info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS;
336 info->n_surfaces = NUM_SURFACES;
337 }
338
339 static const char *qxl_mode_to_string(int mode)
340 {
341 switch (mode) {
342 case QXL_MODE_COMPAT:
343 return "compat";
344 case QXL_MODE_NATIVE:
345 return "native";
346 case QXL_MODE_UNDEFINED:
347 return "undefined";
348 case QXL_MODE_VGA:
349 return "vga";
350 }
351 return "INVALID";
352 }
353
354 /* called from spice server thread context only */
355 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
356 {
357 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
358 SimpleSpiceUpdate *update;
359 QXLCommandRing *ring;
360 QXLCommand *cmd;
361 int notify, ret;
362
363 switch (qxl->mode) {
364 case QXL_MODE_VGA:
365 dprint(qxl, 2, "%s: vga\n", __FUNCTION__);
366 ret = false;
367 qemu_mutex_lock(&qxl->ssd.lock);
368 if (qxl->ssd.update != NULL) {
369 update = qxl->ssd.update;
370 qxl->ssd.update = NULL;
371 *ext = update->ext;
372 ret = true;
373 }
374 qemu_mutex_unlock(&qxl->ssd.lock);
375 if (ret) {
376 dprint(qxl, 2, "%s %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
377 qxl_log_command(qxl, "vga", ext);
378 }
379 return ret;
380 case QXL_MODE_COMPAT:
381 case QXL_MODE_NATIVE:
382 case QXL_MODE_UNDEFINED:
383 dprint(qxl, 4, "%s: %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
384 ring = &qxl->ram->cmd_ring;
385 if (SPICE_RING_IS_EMPTY(ring)) {
386 return false;
387 }
388 dprint(qxl, 2, "%s: %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
389 SPICE_RING_CONS_ITEM(ring, cmd);
390 ext->cmd = *cmd;
391 ext->group_id = MEMSLOT_GROUP_GUEST;
392 ext->flags = qxl->cmdflags;
393 SPICE_RING_POP(ring, notify);
394 qxl_ring_set_dirty(qxl);
395 if (notify) {
396 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
397 }
398 qxl->guest_primary.commands++;
399 qxl_track_command(qxl, ext);
400 qxl_log_command(qxl, "cmd", ext);
401 return true;
402 default:
403 return false;
404 }
405 }
406
407 /* called from spice server thread context only */
408 static int interface_req_cmd_notification(QXLInstance *sin)
409 {
410 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
411 int wait = 1;
412
413 switch (qxl->mode) {
414 case QXL_MODE_COMPAT:
415 case QXL_MODE_NATIVE:
416 case QXL_MODE_UNDEFINED:
417 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
418 qxl_ring_set_dirty(qxl);
419 break;
420 default:
421 /* nothing */
422 break;
423 }
424 return wait;
425 }
426
427 /* called from spice server thread context only */
428 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
429 {
430 QXLReleaseRing *ring = &d->ram->release_ring;
431 uint64_t *item;
432 int notify;
433
434 #define QXL_FREE_BUNCH_SIZE 32
435
436 if (ring->prod - ring->cons + 1 == ring->num_items) {
437 /* ring full -- can't push */
438 return;
439 }
440 if (!flush && d->oom_running) {
441 /* collect everything from oom handler before pushing */
442 return;
443 }
444 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
445 /* collect a bit more before pushing */
446 return;
447 }
448
449 SPICE_RING_PUSH(ring, notify);
450 dprint(d, 2, "free: push %d items, notify %s, ring %d/%d [%d,%d]\n",
451 d->num_free_res, notify ? "yes" : "no",
452 ring->prod - ring->cons, ring->num_items,
453 ring->prod, ring->cons);
454 if (notify) {
455 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
456 }
457 SPICE_RING_PROD_ITEM(ring, item);
458 *item = 0;
459 d->num_free_res = 0;
460 d->last_release = NULL;
461 qxl_ring_set_dirty(d);
462 }
463
464 /* called from spice server thread context only */
465 static void interface_release_resource(QXLInstance *sin,
466 struct QXLReleaseInfoExt ext)
467 {
468 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
469 QXLReleaseRing *ring;
470 uint64_t *item, id;
471
472 if (ext.group_id == MEMSLOT_GROUP_HOST) {
473 /* host group -> vga mode update request */
474 qemu_spice_destroy_update(&qxl->ssd, (void*)ext.info->id);
475 return;
476 }
477
478 /*
479 * ext->info points into guest-visible memory
480 * pci bar 0, $command.release_info
481 */
482 ring = &qxl->ram->release_ring;
483 SPICE_RING_PROD_ITEM(ring, item);
484 if (*item == 0) {
485 /* stick head into the ring */
486 id = ext.info->id;
487 ext.info->next = 0;
488 qxl_ram_set_dirty(qxl, &ext.info->next);
489 *item = id;
490 qxl_ring_set_dirty(qxl);
491 } else {
492 /* append item to the list */
493 qxl->last_release->next = ext.info->id;
494 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
495 ext.info->next = 0;
496 qxl_ram_set_dirty(qxl, &ext.info->next);
497 }
498 qxl->last_release = ext.info;
499 qxl->num_free_res++;
500 dprint(qxl, 3, "%4d\r", qxl->num_free_res);
501 qxl_push_free_res(qxl, 0);
502 }
503
504 /* called from spice server thread context only */
505 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
506 {
507 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
508 QXLCursorRing *ring;
509 QXLCommand *cmd;
510 int notify;
511
512 switch (qxl->mode) {
513 case QXL_MODE_COMPAT:
514 case QXL_MODE_NATIVE:
515 case QXL_MODE_UNDEFINED:
516 ring = &qxl->ram->cursor_ring;
517 if (SPICE_RING_IS_EMPTY(ring)) {
518 return false;
519 }
520 SPICE_RING_CONS_ITEM(ring, cmd);
521 ext->cmd = *cmd;
522 ext->group_id = MEMSLOT_GROUP_GUEST;
523 ext->flags = qxl->cmdflags;
524 SPICE_RING_POP(ring, notify);
525 qxl_ring_set_dirty(qxl);
526 if (notify) {
527 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
528 }
529 qxl->guest_primary.commands++;
530 qxl_track_command(qxl, ext);
531 qxl_log_command(qxl, "csr", ext);
532 if (qxl->id == 0) {
533 qxl_render_cursor(qxl, ext);
534 }
535 return true;
536 default:
537 return false;
538 }
539 }
540
541 /* called from spice server thread context only */
542 static int interface_req_cursor_notification(QXLInstance *sin)
543 {
544 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
545 int wait = 1;
546
547 switch (qxl->mode) {
548 case QXL_MODE_COMPAT:
549 case QXL_MODE_NATIVE:
550 case QXL_MODE_UNDEFINED:
551 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
552 qxl_ring_set_dirty(qxl);
553 break;
554 default:
555 /* nothing */
556 break;
557 }
558 return wait;
559 }
560
561 /* called from spice server thread context */
562 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
563 {
564 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
565 abort();
566 }
567
568 /* called from spice server thread context only */
569 static int interface_flush_resources(QXLInstance *sin)
570 {
571 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
572 int ret;
573
574 dprint(qxl, 1, "free: guest flush (have %d)\n", qxl->num_free_res);
575 ret = qxl->num_free_res;
576 if (ret) {
577 qxl_push_free_res(qxl, 1);
578 }
579 return ret;
580 }
581
582 static const QXLInterface qxl_interface = {
583 .base.type = SPICE_INTERFACE_QXL,
584 .base.description = "qxl gpu",
585 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
586 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
587
588 .attache_worker = interface_attach_worker,
589 .set_compression_level = interface_set_compression_level,
590 .set_mm_time = interface_set_mm_time,
591 .get_init_info = interface_get_init_info,
592
593 /* the callbacks below are called from spice server thread context */
594 .get_command = interface_get_command,
595 .req_cmd_notification = interface_req_cmd_notification,
596 .release_resource = interface_release_resource,
597 .get_cursor_command = interface_get_cursor_command,
598 .req_cursor_notification = interface_req_cursor_notification,
599 .notify_update = interface_notify_update,
600 .flush_resources = interface_flush_resources,
601 };
602
603 static void qxl_enter_vga_mode(PCIQXLDevice *d)
604 {
605 if (d->mode == QXL_MODE_VGA) {
606 return;
607 }
608 dprint(d, 1, "%s\n", __FUNCTION__);
609 qemu_spice_create_host_primary(&d->ssd);
610 d->mode = QXL_MODE_VGA;
611 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
612 }
613
614 static void qxl_exit_vga_mode(PCIQXLDevice *d)
615 {
616 if (d->mode != QXL_MODE_VGA) {
617 return;
618 }
619 dprint(d, 1, "%s\n", __FUNCTION__);
620 qxl_destroy_primary(d);
621 }
622
623 static void qxl_set_irq(PCIQXLDevice *d)
624 {
625 uint32_t pending = le32_to_cpu(d->ram->int_pending);
626 uint32_t mask = le32_to_cpu(d->ram->int_mask);
627 int level = !!(pending & mask);
628 qemu_set_irq(d->pci.irq[0], level);
629 qxl_ring_set_dirty(d);
630 }
631
632 static void qxl_write_config(PCIDevice *d, uint32_t address,
633 uint32_t val, int len)
634 {
635 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, d);
636 VGACommonState *vga = &qxl->vga;
637
638 vga_dirty_log_stop(vga);
639 pci_default_write_config(d, address, val, len);
640 if (vga->map_addr && qxl->pci.io_regions[0].addr == -1) {
641 vga->map_addr = 0;
642 }
643 vga_dirty_log_start(vga);
644 }
645
646 static void qxl_check_state(PCIQXLDevice *d)
647 {
648 QXLRam *ram = d->ram;
649
650 assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
651 assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
652 }
653
654 static void qxl_reset_state(PCIQXLDevice *d)
655 {
656 QXLRam *ram = d->ram;
657 QXLRom *rom = d->rom;
658
659 assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
660 assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
661 d->shadow_rom.update_id = cpu_to_le32(0);
662 *rom = d->shadow_rom;
663 qxl_rom_set_dirty(d);
664 init_qxl_ram(d);
665 d->num_free_res = 0;
666 d->last_release = NULL;
667 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
668 }
669
670 static void qxl_soft_reset(PCIQXLDevice *d)
671 {
672 dprint(d, 1, "%s:\n", __FUNCTION__);
673 qxl_check_state(d);
674
675 if (d->id == 0) {
676 qxl_enter_vga_mode(d);
677 } else {
678 d->mode = QXL_MODE_UNDEFINED;
679 }
680 }
681
682 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
683 {
684 dprint(d, 1, "%s: start%s\n", __FUNCTION__,
685 loadvm ? " (loadvm)" : "");
686
687 d->ssd.worker->reset_cursor(d->ssd.worker);
688 d->ssd.worker->reset_image_cache(d->ssd.worker);
689 qxl_reset_surfaces(d);
690 qxl_reset_memslots(d);
691
692 /* pre loadvm reset must not touch QXLRam. This lives in
693 * device memory, is migrated together with RAM and thus
694 * already loaded at this point */
695 if (!loadvm) {
696 qxl_reset_state(d);
697 }
698 qemu_spice_create_host_memslot(&d->ssd);
699 qxl_soft_reset(d);
700
701 dprint(d, 1, "%s: done\n", __FUNCTION__);
702 }
703
704 static void qxl_reset_handler(DeviceState *dev)
705 {
706 PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
707 qxl_hard_reset(d, 0);
708 }
709
710 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
711 {
712 VGACommonState *vga = opaque;
713 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
714
715 if (qxl->mode != QXL_MODE_VGA) {
716 dprint(qxl, 1, "%s\n", __FUNCTION__);
717 qxl_destroy_primary(qxl);
718 qxl_soft_reset(qxl);
719 }
720 vga_ioport_write(opaque, addr, val);
721 }
722
723 static void qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta)
724 {
725 static const int regions[] = {
726 QXL_RAM_RANGE_INDEX,
727 QXL_VRAM_RANGE_INDEX,
728 };
729 uint64_t guest_start;
730 uint64_t guest_end;
731 int pci_region;
732 pcibus_t pci_start;
733 pcibus_t pci_end;
734 intptr_t virt_start;
735 QXLDevMemSlot memslot;
736 int i;
737
738 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
739 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
740
741 dprint(d, 1, "%s: slot %d: guest phys 0x%" PRIx64 " - 0x%" PRIx64 "\n",
742 __FUNCTION__, slot_id,
743 guest_start, guest_end);
744
745 PANIC_ON(slot_id >= NUM_MEMSLOTS);
746 PANIC_ON(guest_start > guest_end);
747
748 for (i = 0; i < ARRAY_SIZE(regions); i++) {
749 pci_region = regions[i];
750 pci_start = d->pci.io_regions[pci_region].addr;
751 pci_end = pci_start + d->pci.io_regions[pci_region].size;
752 /* mapped? */
753 if (pci_start == -1) {
754 continue;
755 }
756 /* start address in range ? */
757 if (guest_start < pci_start || guest_start > pci_end) {
758 continue;
759 }
760 /* end address in range ? */
761 if (guest_end > pci_end) {
762 continue;
763 }
764 /* passed */
765 break;
766 }
767 PANIC_ON(i == ARRAY_SIZE(regions)); /* finished loop without match */
768
769 switch (pci_region) {
770 case QXL_RAM_RANGE_INDEX:
771 virt_start = (intptr_t)qemu_get_ram_ptr(d->vga.vram_offset);
772 break;
773 case QXL_VRAM_RANGE_INDEX:
774 virt_start = (intptr_t)qemu_get_ram_ptr(d->vram_offset);
775 break;
776 default:
777 /* should not happen */
778 abort();
779 }
780
781 memslot.slot_id = slot_id;
782 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
783 memslot.virt_start = virt_start + (guest_start - pci_start);
784 memslot.virt_end = virt_start + (guest_end - pci_start);
785 memslot.addr_delta = memslot.virt_start - delta;
786 memslot.generation = d->rom->slot_generation = 0;
787 qxl_rom_set_dirty(d);
788
789 dprint(d, 1, "%s: slot %d: host virt 0x%" PRIx64 " - 0x%" PRIx64 "\n",
790 __FUNCTION__, memslot.slot_id,
791 memslot.virt_start, memslot.virt_end);
792
793 d->ssd.worker->add_memslot(d->ssd.worker, &memslot);
794 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
795 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
796 d->guest_slots[slot_id].delta = delta;
797 d->guest_slots[slot_id].active = 1;
798 }
799
800 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
801 {
802 dprint(d, 1, "%s: slot %d\n", __FUNCTION__, slot_id);
803 d->ssd.worker->del_memslot(d->ssd.worker, MEMSLOT_GROUP_HOST, slot_id);
804 d->guest_slots[slot_id].active = 0;
805 }
806
807 static void qxl_reset_memslots(PCIQXLDevice *d)
808 {
809 dprint(d, 1, "%s:\n", __FUNCTION__);
810 d->ssd.worker->reset_memslots(d->ssd.worker);
811 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
812 }
813
814 static void qxl_reset_surfaces(PCIQXLDevice *d)
815 {
816 dprint(d, 1, "%s:\n", __FUNCTION__);
817 d->mode = QXL_MODE_UNDEFINED;
818 d->ssd.worker->destroy_surfaces(d->ssd.worker);
819 memset(&d->guest_surfaces.cmds, 0, sizeof(d->guest_surfaces.cmds));
820 }
821
822 /* called from spice server thread context only */
823 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
824 {
825 uint64_t phys = le64_to_cpu(pqxl);
826 uint32_t slot = (phys >> (64 - 8)) & 0xff;
827 uint64_t offset = phys & 0xffffffffffff;
828
829 switch (group_id) {
830 case MEMSLOT_GROUP_HOST:
831 return (void*)offset;
832 case MEMSLOT_GROUP_GUEST:
833 PANIC_ON(slot > NUM_MEMSLOTS);
834 PANIC_ON(!qxl->guest_slots[slot].active);
835 PANIC_ON(offset < qxl->guest_slots[slot].delta);
836 offset -= qxl->guest_slots[slot].delta;
837 PANIC_ON(offset > qxl->guest_slots[slot].size)
838 return qxl->guest_slots[slot].ptr + offset;
839 default:
840 PANIC_ON(1);
841 }
842 }
843
844 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm)
845 {
846 QXLDevSurfaceCreate surface;
847 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
848
849 assert(qxl->mode != QXL_MODE_NATIVE);
850 qxl_exit_vga_mode(qxl);
851
852 dprint(qxl, 1, "%s: %dx%d\n", __FUNCTION__,
853 le32_to_cpu(sc->width), le32_to_cpu(sc->height));
854
855 surface.format = le32_to_cpu(sc->format);
856 surface.height = le32_to_cpu(sc->height);
857 surface.mem = le64_to_cpu(sc->mem);
858 surface.position = le32_to_cpu(sc->position);
859 surface.stride = le32_to_cpu(sc->stride);
860 surface.width = le32_to_cpu(sc->width);
861 surface.type = le32_to_cpu(sc->type);
862 surface.flags = le32_to_cpu(sc->flags);
863
864 surface.mouse_mode = true;
865 surface.group_id = MEMSLOT_GROUP_GUEST;
866 if (loadvm) {
867 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
868 }
869
870 qxl->mode = QXL_MODE_NATIVE;
871 qxl->cmdflags = 0;
872 qxl->ssd.worker->create_primary_surface(qxl->ssd.worker, 0, &surface);
873
874 /* for local rendering */
875 qxl_render_resize(qxl);
876 }
877
878 static void qxl_destroy_primary(PCIQXLDevice *d)
879 {
880 if (d->mode == QXL_MODE_UNDEFINED) {
881 return;
882 }
883
884 dprint(d, 1, "%s\n", __FUNCTION__);
885
886 d->mode = QXL_MODE_UNDEFINED;
887 d->ssd.worker->destroy_primary_surface(d->ssd.worker, 0);
888 }
889
890 static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
891 {
892 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
893 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
894 QXLMode *mode = d->modes->modes + modenr;
895 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
896 QXLMemSlot slot = {
897 .mem_start = start,
898 .mem_end = end
899 };
900 QXLSurfaceCreate surface = {
901 .width = mode->x_res,
902 .height = mode->y_res,
903 .stride = -mode->x_res * 4,
904 .format = SPICE_SURFACE_FMT_32_xRGB,
905 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
906 .mouse_mode = true,
907 .mem = devmem + d->shadow_rom.draw_area_offset,
908 };
909
910 dprint(d, 1, "%s: mode %d [ %d x %d @ %d bpp devmem 0x%lx ]\n", __FUNCTION__,
911 modenr, mode->x_res, mode->y_res, mode->bits, devmem);
912 if (!loadvm) {
913 qxl_hard_reset(d, 0);
914 }
915
916 d->guest_slots[0].slot = slot;
917 qxl_add_memslot(d, 0, devmem);
918
919 d->guest_primary.surface = surface;
920 qxl_create_guest_primary(d, 0);
921
922 d->mode = QXL_MODE_COMPAT;
923 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
924 #ifdef QXL_COMMAND_FLAG_COMPAT_16BPP /* new in spice 0.6.1 */
925 if (mode->bits == 16) {
926 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
927 }
928 #endif
929 d->shadow_rom.mode = cpu_to_le32(modenr);
930 d->rom->mode = cpu_to_le32(modenr);
931 qxl_rom_set_dirty(d);
932 }
933
934 static void ioport_write(void *opaque, uint32_t addr, uint32_t val)
935 {
936 PCIQXLDevice *d = opaque;
937 uint32_t io_port = addr - d->io_base;
938
939 switch (io_port) {
940 case QXL_IO_RESET:
941 case QXL_IO_SET_MODE:
942 case QXL_IO_MEMSLOT_ADD:
943 case QXL_IO_MEMSLOT_DEL:
944 case QXL_IO_CREATE_PRIMARY:
945 case QXL_IO_UPDATE_IRQ:
946 case QXL_IO_LOG:
947 break;
948 default:
949 if (d->mode == QXL_MODE_NATIVE || d->mode == QXL_MODE_COMPAT)
950 break;
951 dprint(d, 1, "%s: unexpected port 0x%x in vga mode\n", __FUNCTION__, io_port);
952 return;
953 }
954
955 switch (io_port) {
956 case QXL_IO_UPDATE_AREA:
957 {
958 QXLRect update = d->ram->update_area;
959 d->ssd.worker->update_area(d->ssd.worker, d->ram->update_surface,
960 &update, NULL, 0, 0);
961 break;
962 }
963 case QXL_IO_NOTIFY_CMD:
964 d->ssd.worker->wakeup(d->ssd.worker);
965 break;
966 case QXL_IO_NOTIFY_CURSOR:
967 d->ssd.worker->wakeup(d->ssd.worker);
968 break;
969 case QXL_IO_UPDATE_IRQ:
970 qxl_set_irq(d);
971 break;
972 case QXL_IO_NOTIFY_OOM:
973 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
974 break;
975 }
976 pthread_yield();
977 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
978 break;
979 }
980 d->oom_running = 1;
981 d->ssd.worker->oom(d->ssd.worker);
982 d->oom_running = 0;
983 break;
984 case QXL_IO_SET_MODE:
985 dprint(d, 1, "QXL_SET_MODE %d\n", val);
986 qxl_set_mode(d, val, 0);
987 break;
988 case QXL_IO_LOG:
989 if (d->guestdebug) {
990 fprintf(stderr, "qxl/guest-%d: %ld: %s", d->id,
991 qemu_get_clock_ns(vm_clock), d->ram->log_buf);
992 }
993 break;
994 case QXL_IO_RESET:
995 dprint(d, 1, "QXL_IO_RESET\n");
996 qxl_hard_reset(d, 0);
997 break;
998 case QXL_IO_MEMSLOT_ADD:
999 PANIC_ON(val >= NUM_MEMSLOTS);
1000 PANIC_ON(d->guest_slots[val].active);
1001 d->guest_slots[val].slot = d->ram->mem_slot;
1002 qxl_add_memslot(d, val, 0);
1003 break;
1004 case QXL_IO_MEMSLOT_DEL:
1005 qxl_del_memslot(d, val);
1006 break;
1007 case QXL_IO_CREATE_PRIMARY:
1008 PANIC_ON(val != 0);
1009 dprint(d, 1, "QXL_IO_CREATE_PRIMARY\n");
1010 d->guest_primary.surface = d->ram->create_surface;
1011 qxl_create_guest_primary(d, 0);
1012 break;
1013 case QXL_IO_DESTROY_PRIMARY:
1014 PANIC_ON(val != 0);
1015 dprint(d, 1, "QXL_IO_DESTROY_PRIMARY (%s)\n", qxl_mode_to_string(d->mode));
1016 qxl_destroy_primary(d);
1017 break;
1018 case QXL_IO_DESTROY_SURFACE_WAIT:
1019 d->ssd.worker->destroy_surface_wait(d->ssd.worker, val);
1020 break;
1021 case QXL_IO_DESTROY_ALL_SURFACES:
1022 d->ssd.worker->destroy_surfaces(d->ssd.worker);
1023 break;
1024 default:
1025 fprintf(stderr, "%s: ioport=0x%x, abort()\n", __FUNCTION__, io_port);
1026 abort();
1027 }
1028 }
1029
1030 static uint32_t ioport_read(void *opaque, uint32_t addr)
1031 {
1032 PCIQXLDevice *d = opaque;
1033
1034 dprint(d, 1, "%s: unexpected\n", __FUNCTION__);
1035 return 0xff;
1036 }
1037
1038 static void qxl_map(PCIDevice *pci, int region_num,
1039 pcibus_t addr, pcibus_t size, int type)
1040 {
1041 static const char *names[] = {
1042 [ QXL_IO_RANGE_INDEX ] = "ioports",
1043 [ QXL_RAM_RANGE_INDEX ] = "devram",
1044 [ QXL_ROM_RANGE_INDEX ] = "rom",
1045 [ QXL_VRAM_RANGE_INDEX ] = "vram",
1046 };
1047 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, pci);
1048
1049 dprint(qxl, 1, "%s: bar %d [%s] addr 0x%lx size 0x%lx\n", __FUNCTION__,
1050 region_num, names[region_num], addr, size);
1051
1052 switch (region_num) {
1053 case QXL_IO_RANGE_INDEX:
1054 register_ioport_write(addr, size, 1, ioport_write, pci);
1055 register_ioport_read(addr, size, 1, ioport_read, pci);
1056 qxl->io_base = addr;
1057 break;
1058 case QXL_RAM_RANGE_INDEX:
1059 cpu_register_physical_memory(addr, size, qxl->vga.vram_offset | IO_MEM_RAM);
1060 qxl->vga.map_addr = addr;
1061 qxl->vga.map_end = addr + size;
1062 if (qxl->id == 0) {
1063 vga_dirty_log_start(&qxl->vga);
1064 }
1065 break;
1066 case QXL_ROM_RANGE_INDEX:
1067 cpu_register_physical_memory(addr, size, qxl->rom_offset | IO_MEM_ROM);
1068 break;
1069 case QXL_VRAM_RANGE_INDEX:
1070 cpu_register_physical_memory(addr, size, qxl->vram_offset | IO_MEM_RAM);
1071 break;
1072 }
1073 }
1074
1075 static void pipe_read(void *opaque)
1076 {
1077 PCIQXLDevice *d = opaque;
1078 char dummy;
1079 int len;
1080
1081 do {
1082 len = read(d->pipe[0], &dummy, sizeof(dummy));
1083 } while (len == sizeof(dummy));
1084 qxl_set_irq(d);
1085 }
1086
1087 /* called from spice server thread context only */
1088 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1089 {
1090 uint32_t old_pending;
1091 uint32_t le_events = cpu_to_le32(events);
1092
1093 assert(d->ssd.running);
1094 old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
1095 if ((old_pending & le_events) == le_events) {
1096 return;
1097 }
1098 if (pthread_self() == d->main) {
1099 qxl_set_irq(d);
1100 } else {
1101 if (write(d->pipe[1], d, 1) != 1) {
1102 dprint(d, 1, "%s: write to pipe failed\n", __FUNCTION__);
1103 }
1104 }
1105 }
1106
1107 static void init_pipe_signaling(PCIQXLDevice *d)
1108 {
1109 if (pipe(d->pipe) < 0) {
1110 dprint(d, 1, "%s: pipe creation failed\n", __FUNCTION__);
1111 return;
1112 }
1113 #ifdef CONFIG_IOTHREAD
1114 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
1115 #else
1116 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK /* | O_ASYNC */);
1117 #endif
1118 fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
1119 fcntl(d->pipe[0], F_SETOWN, getpid());
1120
1121 d->main = pthread_self();
1122 qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
1123 }
1124
1125 /* graphics console */
1126
1127 static void qxl_hw_update(void *opaque)
1128 {
1129 PCIQXLDevice *qxl = opaque;
1130 VGACommonState *vga = &qxl->vga;
1131
1132 switch (qxl->mode) {
1133 case QXL_MODE_VGA:
1134 vga->update(vga);
1135 break;
1136 case QXL_MODE_COMPAT:
1137 case QXL_MODE_NATIVE:
1138 qxl_render_update(qxl);
1139 break;
1140 default:
1141 break;
1142 }
1143 }
1144
1145 static void qxl_hw_invalidate(void *opaque)
1146 {
1147 PCIQXLDevice *qxl = opaque;
1148 VGACommonState *vga = &qxl->vga;
1149
1150 vga->invalidate(vga);
1151 }
1152
1153 static void qxl_hw_screen_dump(void *opaque, const char *filename)
1154 {
1155 PCIQXLDevice *qxl = opaque;
1156 VGACommonState *vga = &qxl->vga;
1157
1158 switch (qxl->mode) {
1159 case QXL_MODE_COMPAT:
1160 case QXL_MODE_NATIVE:
1161 qxl_render_update(qxl);
1162 ppm_save(filename, qxl->ssd.ds->surface);
1163 break;
1164 case QXL_MODE_VGA:
1165 vga->screen_dump(vga, filename);
1166 break;
1167 default:
1168 break;
1169 }
1170 }
1171
1172 static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
1173 {
1174 PCIQXLDevice *qxl = opaque;
1175 VGACommonState *vga = &qxl->vga;
1176
1177 if (qxl->mode == QXL_MODE_VGA) {
1178 vga->text_update(vga, chardata);
1179 return;
1180 }
1181 }
1182
1183 static void qxl_vm_change_state_handler(void *opaque, int running, int reason)
1184 {
1185 PCIQXLDevice *qxl = opaque;
1186 qemu_spice_vm_change_state_handler(&qxl->ssd, running, reason);
1187
1188 if (!running && qxl->mode == QXL_MODE_NATIVE) {
1189 /* dirty all vram (which holds surfaces) and devram (primary surface)
1190 * to make sure they are saved */
1191 /* FIXME #1: should go out during "live" stage */
1192 /* FIXME #2: we only need to save the areas which are actually used */
1193 ram_addr_t vram_addr = qxl->vram_offset;
1194 ram_addr_t surface0_addr = qxl->vga.vram_offset + qxl->shadow_rom.draw_area_offset;
1195 qxl_set_dirty(vram_addr, vram_addr + qxl->vram_size);
1196 qxl_set_dirty(surface0_addr, surface0_addr + qxl->shadow_rom.surface0_area_size);
1197 }
1198 }
1199
1200 /* display change listener */
1201
1202 static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
1203 {
1204 if (qxl0->mode == QXL_MODE_VGA) {
1205 qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
1206 }
1207 }
1208
1209 static void display_resize(struct DisplayState *ds)
1210 {
1211 if (qxl0->mode == QXL_MODE_VGA) {
1212 qemu_spice_display_resize(&qxl0->ssd);
1213 }
1214 }
1215
1216 static void display_refresh(struct DisplayState *ds)
1217 {
1218 if (qxl0->mode == QXL_MODE_VGA) {
1219 qemu_spice_display_refresh(&qxl0->ssd);
1220 }
1221 }
1222
1223 static DisplayChangeListener display_listener = {
1224 .dpy_update = display_update,
1225 .dpy_resize = display_resize,
1226 .dpy_refresh = display_refresh,
1227 };
1228
1229 static int qxl_init_common(PCIQXLDevice *qxl)
1230 {
1231 uint8_t* config = qxl->pci.config;
1232 uint32_t pci_device_rev;
1233 uint32_t io_size;
1234
1235 qxl->mode = QXL_MODE_UNDEFINED;
1236 qxl->generation = 1;
1237 qxl->num_memslots = NUM_MEMSLOTS;
1238 qxl->num_surfaces = NUM_SURFACES;
1239
1240 switch (qxl->revision) {
1241 case 1: /* spice 0.4 -- qxl-1 */
1242 pci_device_rev = QXL_REVISION_STABLE_V04;
1243 break;
1244 case 2: /* spice 0.6 -- qxl-2 */
1245 default:
1246 pci_device_rev = QXL_REVISION_STABLE_V06;
1247 break;
1248 }
1249
1250 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
1251 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
1252
1253 qxl->rom_size = qxl_rom_size();
1254 qxl->rom_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vrom", qxl->rom_size);
1255 init_qxl_rom(qxl);
1256 init_qxl_ram(qxl);
1257
1258 if (qxl->vram_size < 16 * 1024 * 1024) {
1259 qxl->vram_size = 16 * 1024 * 1024;
1260 }
1261 if (qxl->revision == 1) {
1262 qxl->vram_size = 4096;
1263 }
1264 qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
1265 qxl->vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vram", qxl->vram_size);
1266
1267 io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
1268 if (qxl->revision == 1) {
1269 io_size = 8;
1270 }
1271
1272 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
1273 io_size, PCI_BASE_ADDRESS_SPACE_IO, qxl_map);
1274
1275 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
1276 qxl->rom_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1277 qxl_map);
1278
1279 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
1280 qxl->vga.vram_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1281 qxl_map);
1282
1283 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, qxl->vram_size,
1284 PCI_BASE_ADDRESS_SPACE_MEMORY, qxl_map);
1285
1286 qxl->ssd.qxl.base.sif = &qxl_interface.base;
1287 qxl->ssd.qxl.id = qxl->id;
1288 qemu_spice_add_interface(&qxl->ssd.qxl.base);
1289 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
1290
1291 init_pipe_signaling(qxl);
1292 qxl_reset_state(qxl);
1293
1294 return 0;
1295 }
1296
1297 static int qxl_init_primary(PCIDevice *dev)
1298 {
1299 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1300 VGACommonState *vga = &qxl->vga;
1301 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1302
1303 qxl->id = 0;
1304
1305 if (ram_size < 32 * 1024 * 1024) {
1306 ram_size = 32 * 1024 * 1024;
1307 }
1308 vga_common_init(vga, ram_size);
1309 vga_init(vga);
1310 register_ioport_write(0x3c0, 16, 1, qxl_vga_ioport_write, vga);
1311 register_ioport_write(0x3b4, 2, 1, qxl_vga_ioport_write, vga);
1312 register_ioport_write(0x3d4, 2, 1, qxl_vga_ioport_write, vga);
1313 register_ioport_write(0x3ba, 1, 1, qxl_vga_ioport_write, vga);
1314 register_ioport_write(0x3da, 1, 1, qxl_vga_ioport_write, vga);
1315
1316 vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
1317 qxl_hw_screen_dump, qxl_hw_text_update, qxl);
1318 qxl->ssd.ds = vga->ds;
1319 qemu_mutex_init(&qxl->ssd.lock);
1320 qxl->ssd.mouse_x = -1;
1321 qxl->ssd.mouse_y = -1;
1322 qxl->ssd.bufsize = (16 * 1024 * 1024);
1323 qxl->ssd.buf = qemu_malloc(qxl->ssd.bufsize);
1324
1325 qxl0 = qxl;
1326 register_displaychangelistener(vga->ds, &display_listener);
1327
1328 return qxl_init_common(qxl);
1329 }
1330
1331 static int qxl_init_secondary(PCIDevice *dev)
1332 {
1333 static int device_id = 1;
1334 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1335 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1336
1337 qxl->id = device_id++;
1338
1339 if (ram_size < 16 * 1024 * 1024) {
1340 ram_size = 16 * 1024 * 1024;
1341 }
1342 qxl->vga.vram_size = ram_size;
1343 qxl->vga.vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vgavram",
1344 qxl->vga.vram_size);
1345 qxl->vga.vram_ptr = qemu_get_ram_ptr(qxl->vga.vram_offset);
1346
1347 return qxl_init_common(qxl);
1348 }
1349
1350 static void qxl_pre_save(void *opaque)
1351 {
1352 PCIQXLDevice* d = opaque;
1353 uint8_t *ram_start = d->vga.vram_ptr;
1354
1355 dprint(d, 1, "%s:\n", __FUNCTION__);
1356 if (d->last_release == NULL) {
1357 d->last_release_offset = 0;
1358 } else {
1359 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
1360 }
1361 assert(d->last_release_offset < d->vga.vram_size);
1362 }
1363
1364 static int qxl_pre_load(void *opaque)
1365 {
1366 PCIQXLDevice* d = opaque;
1367
1368 dprint(d, 1, "%s: start\n", __FUNCTION__);
1369 qxl_hard_reset(d, 1);
1370 qxl_exit_vga_mode(d);
1371 dprint(d, 1, "%s: done\n", __FUNCTION__);
1372 return 0;
1373 }
1374
1375 static int qxl_post_load(void *opaque, int version)
1376 {
1377 PCIQXLDevice* d = opaque;
1378 uint8_t *ram_start = d->vga.vram_ptr;
1379 QXLCommandExt *cmds;
1380 int in, out, i, newmode;
1381
1382 dprint(d, 1, "%s: start\n", __FUNCTION__);
1383
1384 assert(d->last_release_offset < d->vga.vram_size);
1385 if (d->last_release_offset == 0) {
1386 d->last_release = NULL;
1387 } else {
1388 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
1389 }
1390
1391 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
1392
1393 dprint(d, 1, "%s: restore mode (%s)\n", __FUNCTION__,
1394 qxl_mode_to_string(d->mode));
1395 newmode = d->mode;
1396 d->mode = QXL_MODE_UNDEFINED;
1397 switch (newmode) {
1398 case QXL_MODE_UNDEFINED:
1399 break;
1400 case QXL_MODE_VGA:
1401 qxl_enter_vga_mode(d);
1402 break;
1403 case QXL_MODE_NATIVE:
1404 for (i = 0; i < NUM_MEMSLOTS; i++) {
1405 if (!d->guest_slots[i].active) {
1406 continue;
1407 }
1408 qxl_add_memslot(d, i, 0);
1409 }
1410 qxl_create_guest_primary(d, 1);
1411
1412 /* replay surface-create and cursor-set commands */
1413 cmds = qemu_mallocz(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
1414 for (in = 0, out = 0; in < NUM_SURFACES; in++) {
1415 if (d->guest_surfaces.cmds[in] == 0) {
1416 continue;
1417 }
1418 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
1419 cmds[out].cmd.type = QXL_CMD_SURFACE;
1420 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1421 out++;
1422 }
1423 cmds[out].cmd.data = d->guest_cursor;
1424 cmds[out].cmd.type = QXL_CMD_CURSOR;
1425 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1426 out++;
1427 d->ssd.worker->loadvm_commands(d->ssd.worker, cmds, out);
1428 qemu_free(cmds);
1429
1430 break;
1431 case QXL_MODE_COMPAT:
1432 qxl_set_mode(d, d->shadow_rom.mode, 1);
1433 break;
1434 }
1435 dprint(d, 1, "%s: done\n", __FUNCTION__);
1436
1437 return 0;
1438 }
1439
1440 #define QXL_SAVE_VERSION 21
1441
1442 static VMStateDescription qxl_memslot = {
1443 .name = "qxl-memslot",
1444 .version_id = QXL_SAVE_VERSION,
1445 .minimum_version_id = QXL_SAVE_VERSION,
1446 .fields = (VMStateField[]) {
1447 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
1448 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
1449 VMSTATE_UINT32(active, struct guest_slots),
1450 VMSTATE_END_OF_LIST()
1451 }
1452 };
1453
1454 static VMStateDescription qxl_surface = {
1455 .name = "qxl-surface",
1456 .version_id = QXL_SAVE_VERSION,
1457 .minimum_version_id = QXL_SAVE_VERSION,
1458 .fields = (VMStateField[]) {
1459 VMSTATE_UINT32(width, QXLSurfaceCreate),
1460 VMSTATE_UINT32(height, QXLSurfaceCreate),
1461 VMSTATE_INT32(stride, QXLSurfaceCreate),
1462 VMSTATE_UINT32(format, QXLSurfaceCreate),
1463 VMSTATE_UINT32(position, QXLSurfaceCreate),
1464 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
1465 VMSTATE_UINT32(flags, QXLSurfaceCreate),
1466 VMSTATE_UINT32(type, QXLSurfaceCreate),
1467 VMSTATE_UINT64(mem, QXLSurfaceCreate),
1468 VMSTATE_END_OF_LIST()
1469 }
1470 };
1471
1472 static VMStateDescription qxl_vmstate = {
1473 .name = "qxl",
1474 .version_id = QXL_SAVE_VERSION,
1475 .minimum_version_id = QXL_SAVE_VERSION,
1476 .pre_save = qxl_pre_save,
1477 .pre_load = qxl_pre_load,
1478 .post_load = qxl_post_load,
1479 .fields = (VMStateField []) {
1480 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
1481 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
1482 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
1483 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
1484 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
1485 VMSTATE_UINT32(mode, PCIQXLDevice),
1486 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
1487 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
1488 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
1489 qxl_memslot, struct guest_slots),
1490 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
1491 qxl_surface, QXLSurfaceCreate),
1492 VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
1493 VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
1494 vmstate_info_uint64, uint64_t),
1495 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
1496 VMSTATE_END_OF_LIST()
1497 },
1498 };
1499
1500 static PCIDeviceInfo qxl_info_primary = {
1501 .qdev.name = "qxl-vga",
1502 .qdev.desc = "Spice QXL GPU (primary, vga compatible)",
1503 .qdev.size = sizeof(PCIQXLDevice),
1504 .qdev.reset = qxl_reset_handler,
1505 .qdev.vmsd = &qxl_vmstate,
1506 .no_hotplug = 1,
1507 .init = qxl_init_primary,
1508 .config_write = qxl_write_config,
1509 .romfile = "vgabios-qxl.bin",
1510 .vendor_id = REDHAT_PCI_VENDOR_ID,
1511 .device_id = QXL_DEVICE_ID_STABLE,
1512 .class_id = PCI_CLASS_DISPLAY_VGA,
1513 .qdev.props = (Property[]) {
1514 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * 1024 * 1024),
1515 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
1516 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
1517 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1518 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1519 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1520 DEFINE_PROP_END_OF_LIST(),
1521 }
1522 };
1523
1524 static PCIDeviceInfo qxl_info_secondary = {
1525 .qdev.name = "qxl",
1526 .qdev.desc = "Spice QXL GPU (secondary)",
1527 .qdev.size = sizeof(PCIQXLDevice),
1528 .qdev.reset = qxl_reset_handler,
1529 .qdev.vmsd = &qxl_vmstate,
1530 .init = qxl_init_secondary,
1531 .vendor_id = REDHAT_PCI_VENDOR_ID,
1532 .device_id = QXL_DEVICE_ID_STABLE,
1533 .class_id = PCI_CLASS_DISPLAY_OTHER,
1534 .qdev.props = (Property[]) {
1535 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * 1024 * 1024),
1536 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
1537 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
1538 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1539 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1540 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1541 DEFINE_PROP_END_OF_LIST(),
1542 }
1543 };
1544
1545 static void qxl_register(void)
1546 {
1547 pci_qdev_register(&qxl_info_primary);
1548 pci_qdev_register(&qxl_info_secondary);
1549 }
1550
1551 device_init(qxl_register);
QEmu