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qemu-io: Fix if scoping bug
[qemu.git] / hw / qxl.c
blob16316f2bf527cbfbb42c651b1d8ceaf649234787
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 /* called from spice server thread context only */
340 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
341 {
342 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
343 SimpleSpiceUpdate *update;
344 QXLCommandRing *ring;
345 QXLCommand *cmd;
346 int notify, ret;
347
348 switch (qxl->mode) {
349 case QXL_MODE_VGA:
350 dprint(qxl, 2, "%s: vga\n", __FUNCTION__);
351 ret = false;
352 qemu_mutex_lock(&qxl->ssd.lock);
353 if (qxl->ssd.update != NULL) {
354 update = qxl->ssd.update;
355 qxl->ssd.update = NULL;
356 *ext = update->ext;
357 ret = true;
358 }
359 qemu_mutex_unlock(&qxl->ssd.lock);
360 if (ret) {
361 qxl_log_command(qxl, "vga", ext);
362 }
363 return ret;
364 case QXL_MODE_COMPAT:
365 case QXL_MODE_NATIVE:
366 case QXL_MODE_UNDEFINED:
367 dprint(qxl, 2, "%s: %s\n", __FUNCTION__,
368 qxl->cmdflags ? "compat" : "native");
369 ring = &qxl->ram->cmd_ring;
370 if (SPICE_RING_IS_EMPTY(ring)) {
371 return false;
372 }
373 SPICE_RING_CONS_ITEM(ring, cmd);
374 ext->cmd = *cmd;
375 ext->group_id = MEMSLOT_GROUP_GUEST;
376 ext->flags = qxl->cmdflags;
377 SPICE_RING_POP(ring, notify);
378 qxl_ring_set_dirty(qxl);
379 if (notify) {
380 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
381 }
382 qxl->guest_primary.commands++;
383 qxl_track_command(qxl, ext);
384 qxl_log_command(qxl, "cmd", ext);
385 return true;
386 default:
387 return false;
388 }
389 }
390
391 /* called from spice server thread context only */
392 static int interface_req_cmd_notification(QXLInstance *sin)
393 {
394 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
395 int wait = 1;
396
397 switch (qxl->mode) {
398 case QXL_MODE_COMPAT:
399 case QXL_MODE_NATIVE:
400 case QXL_MODE_UNDEFINED:
401 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
402 qxl_ring_set_dirty(qxl);
403 break;
404 default:
405 /* nothing */
406 break;
407 }
408 return wait;
409 }
410
411 /* called from spice server thread context only */
412 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
413 {
414 QXLReleaseRing *ring = &d->ram->release_ring;
415 uint64_t *item;
416 int notify;
417
418 #define QXL_FREE_BUNCH_SIZE 32
419
420 if (ring->prod - ring->cons + 1 == ring->num_items) {
421 /* ring full -- can't push */
422 return;
423 }
424 if (!flush && d->oom_running) {
425 /* collect everything from oom handler before pushing */
426 return;
427 }
428 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
429 /* collect a bit more before pushing */
430 return;
431 }
432
433 SPICE_RING_PUSH(ring, notify);
434 dprint(d, 2, "free: push %d items, notify %s, ring %d/%d [%d,%d]\n",
435 d->num_free_res, notify ? "yes" : "no",
436 ring->prod - ring->cons, ring->num_items,
437 ring->prod, ring->cons);
438 if (notify) {
439 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
440 }
441 SPICE_RING_PROD_ITEM(ring, item);
442 *item = 0;
443 d->num_free_res = 0;
444 d->last_release = NULL;
445 qxl_ring_set_dirty(d);
446 }
447
448 /* called from spice server thread context only */
449 static void interface_release_resource(QXLInstance *sin,
450 struct QXLReleaseInfoExt ext)
451 {
452 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
453 QXLReleaseRing *ring;
454 uint64_t *item, id;
455
456 if (ext.group_id == MEMSLOT_GROUP_HOST) {
457 /* host group -> vga mode update request */
458 qemu_spice_destroy_update(&qxl->ssd, (void*)ext.info->id);
459 return;
460 }
461
462 /*
463 * ext->info points into guest-visible memory
464 * pci bar 0, $command.release_info
465 */
466 ring = &qxl->ram->release_ring;
467 SPICE_RING_PROD_ITEM(ring, item);
468 if (*item == 0) {
469 /* stick head into the ring */
470 id = ext.info->id;
471 ext.info->next = 0;
472 qxl_ram_set_dirty(qxl, &ext.info->next);
473 *item = id;
474 qxl_ring_set_dirty(qxl);
475 } else {
476 /* append item to the list */
477 qxl->last_release->next = ext.info->id;
478 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
479 ext.info->next = 0;
480 qxl_ram_set_dirty(qxl, &ext.info->next);
481 }
482 qxl->last_release = ext.info;
483 qxl->num_free_res++;
484 dprint(qxl, 3, "%4d\r", qxl->num_free_res);
485 qxl_push_free_res(qxl, 0);
486 }
487
488 /* called from spice server thread context only */
489 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
490 {
491 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
492 QXLCursorRing *ring;
493 QXLCommand *cmd;
494 int notify;
495
496 switch (qxl->mode) {
497 case QXL_MODE_COMPAT:
498 case QXL_MODE_NATIVE:
499 case QXL_MODE_UNDEFINED:
500 ring = &qxl->ram->cursor_ring;
501 if (SPICE_RING_IS_EMPTY(ring)) {
502 return false;
503 }
504 SPICE_RING_CONS_ITEM(ring, cmd);
505 ext->cmd = *cmd;
506 ext->group_id = MEMSLOT_GROUP_GUEST;
507 ext->flags = qxl->cmdflags;
508 SPICE_RING_POP(ring, notify);
509 qxl_ring_set_dirty(qxl);
510 if (notify) {
511 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
512 }
513 qxl->guest_primary.commands++;
514 qxl_track_command(qxl, ext);
515 qxl_log_command(qxl, "csr", ext);
516 if (qxl->id == 0) {
517 qxl_render_cursor(qxl, ext);
518 }
519 return true;
520 default:
521 return false;
522 }
523 }
524
525 /* called from spice server thread context only */
526 static int interface_req_cursor_notification(QXLInstance *sin)
527 {
528 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
529 int wait = 1;
530
531 switch (qxl->mode) {
532 case QXL_MODE_COMPAT:
533 case QXL_MODE_NATIVE:
534 case QXL_MODE_UNDEFINED:
535 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
536 qxl_ring_set_dirty(qxl);
537 break;
538 default:
539 /* nothing */
540 break;
541 }
542 return wait;
543 }
544
545 /* called from spice server thread context */
546 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
547 {
548 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
549 abort();
550 }
551
552 /* called from spice server thread context only */
553 static int interface_flush_resources(QXLInstance *sin)
554 {
555 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
556 int ret;
557
558 dprint(qxl, 1, "free: guest flush (have %d)\n", qxl->num_free_res);
559 ret = qxl->num_free_res;
560 if (ret) {
561 qxl_push_free_res(qxl, 1);
562 }
563 return ret;
564 }
565
566 static const QXLInterface qxl_interface = {
567 .base.type = SPICE_INTERFACE_QXL,
568 .base.description = "qxl gpu",
569 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
570 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
571
572 .attache_worker = interface_attach_worker,
573 .set_compression_level = interface_set_compression_level,
574 .set_mm_time = interface_set_mm_time,
575 .get_init_info = interface_get_init_info,
576
577 /* the callbacks below are called from spice server thread context */
578 .get_command = interface_get_command,
579 .req_cmd_notification = interface_req_cmd_notification,
580 .release_resource = interface_release_resource,
581 .get_cursor_command = interface_get_cursor_command,
582 .req_cursor_notification = interface_req_cursor_notification,
583 .notify_update = interface_notify_update,
584 .flush_resources = interface_flush_resources,
585 };
586
587 static void qxl_enter_vga_mode(PCIQXLDevice *d)
588 {
589 if (d->mode == QXL_MODE_VGA) {
590 return;
591 }
592 dprint(d, 1, "%s\n", __FUNCTION__);
593 qemu_spice_create_host_primary(&d->ssd);
594 d->mode = QXL_MODE_VGA;
595 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
596 }
597
598 static void qxl_exit_vga_mode(PCIQXLDevice *d)
599 {
600 if (d->mode != QXL_MODE_VGA) {
601 return;
602 }
603 dprint(d, 1, "%s\n", __FUNCTION__);
604 qxl_destroy_primary(d);
605 }
606
607 static void qxl_set_irq(PCIQXLDevice *d)
608 {
609 uint32_t pending = le32_to_cpu(d->ram->int_pending);
610 uint32_t mask = le32_to_cpu(d->ram->int_mask);
611 int level = !!(pending & mask);
612 qemu_set_irq(d->pci.irq[0], level);
613 qxl_ring_set_dirty(d);
614 }
615
616 static void qxl_write_config(PCIDevice *d, uint32_t address,
617 uint32_t val, int len)
618 {
619 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, d);
620 VGACommonState *vga = &qxl->vga;
621
622 vga_dirty_log_stop(vga);
623 pci_default_write_config(d, address, val, len);
624 if (vga->map_addr && qxl->pci.io_regions[0].addr == -1) {
625 vga->map_addr = 0;
626 }
627 vga_dirty_log_start(vga);
628 }
629
630 static void qxl_check_state(PCIQXLDevice *d)
631 {
632 QXLRam *ram = d->ram;
633
634 assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
635 assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
636 }
637
638 static void qxl_reset_state(PCIQXLDevice *d)
639 {
640 QXLRam *ram = d->ram;
641 QXLRom *rom = d->rom;
642
643 assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
644 assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
645 d->shadow_rom.update_id = cpu_to_le32(0);
646 *rom = d->shadow_rom;
647 qxl_rom_set_dirty(d);
648 init_qxl_ram(d);
649 d->num_free_res = 0;
650 d->last_release = NULL;
651 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
652 }
653
654 static void qxl_soft_reset(PCIQXLDevice *d)
655 {
656 dprint(d, 1, "%s:\n", __FUNCTION__);
657 qxl_check_state(d);
658
659 if (d->id == 0) {
660 qxl_enter_vga_mode(d);
661 } else {
662 d->mode = QXL_MODE_UNDEFINED;
663 }
664 }
665
666 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
667 {
668 dprint(d, 1, "%s: start%s\n", __FUNCTION__,
669 loadvm ? " (loadvm)" : "");
670
671 d->ssd.worker->reset_cursor(d->ssd.worker);
672 d->ssd.worker->reset_image_cache(d->ssd.worker);
673 qxl_reset_surfaces(d);
674 qxl_reset_memslots(d);
675
676 /* pre loadvm reset must not touch QXLRam. This lives in
677 * device memory, is migrated together with RAM and thus
678 * already loaded at this point */
679 if (!loadvm) {
680 qxl_reset_state(d);
681 }
682 qemu_spice_create_host_memslot(&d->ssd);
683 qxl_soft_reset(d);
684
685 dprint(d, 1, "%s: done\n", __FUNCTION__);
686 }
687
688 static void qxl_reset_handler(DeviceState *dev)
689 {
690 PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
691 qxl_hard_reset(d, 0);
692 }
693
694 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
695 {
696 VGACommonState *vga = opaque;
697 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
698
699 if (qxl->mode != QXL_MODE_VGA) {
700 dprint(qxl, 1, "%s\n", __FUNCTION__);
701 qxl_destroy_primary(qxl);
702 qxl_soft_reset(qxl);
703 }
704 vga_ioport_write(opaque, addr, val);
705 }
706
707 static void qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta)
708 {
709 static const int regions[] = {
710 QXL_RAM_RANGE_INDEX,
711 QXL_VRAM_RANGE_INDEX,
712 };
713 uint64_t guest_start;
714 uint64_t guest_end;
715 int pci_region;
716 pcibus_t pci_start;
717 pcibus_t pci_end;
718 intptr_t virt_start;
719 QXLDevMemSlot memslot;
720 int i;
721
722 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
723 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
724
725 dprint(d, 1, "%s: slot %d: guest phys 0x%" PRIx64 " - 0x%" PRIx64 "\n",
726 __FUNCTION__, slot_id,
727 guest_start, guest_end);
728
729 PANIC_ON(slot_id >= NUM_MEMSLOTS);
730 PANIC_ON(guest_start > guest_end);
731
732 for (i = 0; i < ARRAY_SIZE(regions); i++) {
733 pci_region = regions[i];
734 pci_start = d->pci.io_regions[pci_region].addr;
735 pci_end = pci_start + d->pci.io_regions[pci_region].size;
736 /* mapped? */
737 if (pci_start == -1) {
738 continue;
739 }
740 /* start address in range ? */
741 if (guest_start < pci_start || guest_start > pci_end) {
742 continue;
743 }
744 /* end address in range ? */
745 if (guest_end > pci_end) {
746 continue;
747 }
748 /* passed */
749 break;
750 }
751 PANIC_ON(i == ARRAY_SIZE(regions)); /* finished loop without match */
752
753 switch (pci_region) {
754 case QXL_RAM_RANGE_INDEX:
755 virt_start = (intptr_t)qemu_get_ram_ptr(d->vga.vram_offset);
756 break;
757 case QXL_VRAM_RANGE_INDEX:
758 virt_start = (intptr_t)qemu_get_ram_ptr(d->vram_offset);
759 break;
760 default:
761 /* should not happen */
762 abort();
763 }
764
765 memslot.slot_id = slot_id;
766 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
767 memslot.virt_start = virt_start + (guest_start - pci_start);
768 memslot.virt_end = virt_start + (guest_end - pci_start);
769 memslot.addr_delta = memslot.virt_start - delta;
770 memslot.generation = d->rom->slot_generation = 0;
771 qxl_rom_set_dirty(d);
772
773 dprint(d, 1, "%s: slot %d: host virt 0x%" PRIx64 " - 0x%" PRIx64 "\n",
774 __FUNCTION__, memslot.slot_id,
775 memslot.virt_start, memslot.virt_end);
776
777 d->ssd.worker->add_memslot(d->ssd.worker, &memslot);
778 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
779 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
780 d->guest_slots[slot_id].delta = delta;
781 d->guest_slots[slot_id].active = 1;
782 }
783
784 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
785 {
786 dprint(d, 1, "%s: slot %d\n", __FUNCTION__, slot_id);
787 d->ssd.worker->del_memslot(d->ssd.worker, MEMSLOT_GROUP_HOST, slot_id);
788 d->guest_slots[slot_id].active = 0;
789 }
790
791 static void qxl_reset_memslots(PCIQXLDevice *d)
792 {
793 dprint(d, 1, "%s:\n", __FUNCTION__);
794 d->ssd.worker->reset_memslots(d->ssd.worker);
795 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
796 }
797
798 static void qxl_reset_surfaces(PCIQXLDevice *d)
799 {
800 dprint(d, 1, "%s:\n", __FUNCTION__);
801 d->mode = QXL_MODE_UNDEFINED;
802 d->ssd.worker->destroy_surfaces(d->ssd.worker);
803 memset(&d->guest_surfaces.cmds, 0, sizeof(d->guest_surfaces.cmds));
804 }
805
806 /* called from spice server thread context only */
807 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
808 {
809 uint64_t phys = le64_to_cpu(pqxl);
810 uint32_t slot = (phys >> (64 - 8)) & 0xff;
811 uint64_t offset = phys & 0xffffffffffff;
812
813 switch (group_id) {
814 case MEMSLOT_GROUP_HOST:
815 return (void*)offset;
816 case MEMSLOT_GROUP_GUEST:
817 PANIC_ON(slot > NUM_MEMSLOTS);
818 PANIC_ON(!qxl->guest_slots[slot].active);
819 PANIC_ON(offset < qxl->guest_slots[slot].delta);
820 offset -= qxl->guest_slots[slot].delta;
821 PANIC_ON(offset > qxl->guest_slots[slot].size)
822 return qxl->guest_slots[slot].ptr + offset;
823 default:
824 PANIC_ON(1);
825 }
826 }
827
828 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm)
829 {
830 QXLDevSurfaceCreate surface;
831 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
832
833 assert(qxl->mode != QXL_MODE_NATIVE);
834 qxl_exit_vga_mode(qxl);
835
836 dprint(qxl, 1, "%s: %dx%d\n", __FUNCTION__,
837 le32_to_cpu(sc->width), le32_to_cpu(sc->height));
838
839 surface.format = le32_to_cpu(sc->format);
840 surface.height = le32_to_cpu(sc->height);
841 surface.mem = le64_to_cpu(sc->mem);
842 surface.position = le32_to_cpu(sc->position);
843 surface.stride = le32_to_cpu(sc->stride);
844 surface.width = le32_to_cpu(sc->width);
845 surface.type = le32_to_cpu(sc->type);
846 surface.flags = le32_to_cpu(sc->flags);
847
848 surface.mouse_mode = true;
849 surface.group_id = MEMSLOT_GROUP_GUEST;
850 if (loadvm) {
851 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
852 }
853
854 qxl->mode = QXL_MODE_NATIVE;
855 qxl->cmdflags = 0;
856 qxl->ssd.worker->create_primary_surface(qxl->ssd.worker, 0, &surface);
857
858 /* for local rendering */
859 qxl_render_resize(qxl);
860 }
861
862 static void qxl_destroy_primary(PCIQXLDevice *d)
863 {
864 if (d->mode == QXL_MODE_UNDEFINED) {
865 return;
866 }
867
868 dprint(d, 1, "%s\n", __FUNCTION__);
869
870 d->mode = QXL_MODE_UNDEFINED;
871 d->ssd.worker->destroy_primary_surface(d->ssd.worker, 0);
872 }
873
874 static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
875 {
876 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
877 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
878 QXLMode *mode = d->modes->modes + modenr;
879 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
880 QXLMemSlot slot = {
881 .mem_start = start,
882 .mem_end = end
883 };
884 QXLSurfaceCreate surface = {
885 .width = mode->x_res,
886 .height = mode->y_res,
887 .stride = -mode->x_res * 4,
888 .format = SPICE_SURFACE_FMT_32_xRGB,
889 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
890 .mouse_mode = true,
891 .mem = devmem + d->shadow_rom.draw_area_offset,
892 };
893
894 dprint(d, 1, "%s: mode %d [ %d x %d @ %d bpp devmem 0x%lx ]\n", __FUNCTION__,
895 modenr, mode->x_res, mode->y_res, mode->bits, devmem);
896 if (!loadvm) {
897 qxl_hard_reset(d, 0);
898 }
899
900 d->guest_slots[0].slot = slot;
901 qxl_add_memslot(d, 0, devmem);
902
903 d->guest_primary.surface = surface;
904 qxl_create_guest_primary(d, 0);
905
906 d->mode = QXL_MODE_COMPAT;
907 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
908 #ifdef QXL_COMMAND_FLAG_COMPAT_16BPP /* new in spice 0.6.1 */
909 if (mode->bits == 16) {
910 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
911 }
912 #endif
913 d->shadow_rom.mode = cpu_to_le32(modenr);
914 d->rom->mode = cpu_to_le32(modenr);
915 qxl_rom_set_dirty(d);
916 }
917
918 static void ioport_write(void *opaque, uint32_t addr, uint32_t val)
919 {
920 PCIQXLDevice *d = opaque;
921 uint32_t io_port = addr - d->io_base;
922
923 switch (io_port) {
924 case QXL_IO_RESET:
925 case QXL_IO_SET_MODE:
926 case QXL_IO_MEMSLOT_ADD:
927 case QXL_IO_MEMSLOT_DEL:
928 case QXL_IO_CREATE_PRIMARY:
929 break;
930 default:
931 if (d->mode == QXL_MODE_NATIVE || d->mode == QXL_MODE_COMPAT)
932 break;
933 dprint(d, 1, "%s: unexpected port 0x%x in vga mode\n", __FUNCTION__, io_port);
934 return;
935 }
936
937 switch (io_port) {
938 case QXL_IO_UPDATE_AREA:
939 {
940 QXLRect update = d->ram->update_area;
941 d->ssd.worker->update_area(d->ssd.worker, d->ram->update_surface,
942 &update, NULL, 0, 0);
943 break;
944 }
945 case QXL_IO_NOTIFY_CMD:
946 d->ssd.worker->wakeup(d->ssd.worker);
947 break;
948 case QXL_IO_NOTIFY_CURSOR:
949 d->ssd.worker->wakeup(d->ssd.worker);
950 break;
951 case QXL_IO_UPDATE_IRQ:
952 qxl_set_irq(d);
953 break;
954 case QXL_IO_NOTIFY_OOM:
955 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
956 break;
957 }
958 pthread_yield();
959 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
960 break;
961 }
962 d->oom_running = 1;
963 d->ssd.worker->oom(d->ssd.worker);
964 d->oom_running = 0;
965 break;
966 case QXL_IO_SET_MODE:
967 dprint(d, 1, "QXL_SET_MODE %d\n", val);
968 qxl_set_mode(d, val, 0);
969 break;
970 case QXL_IO_LOG:
971 if (d->guestdebug) {
972 fprintf(stderr, "qxl/guest: %s", d->ram->log_buf);
973 }
974 break;
975 case QXL_IO_RESET:
976 dprint(d, 1, "QXL_IO_RESET\n");
977 qxl_hard_reset(d, 0);
978 break;
979 case QXL_IO_MEMSLOT_ADD:
980 PANIC_ON(val >= NUM_MEMSLOTS);
981 PANIC_ON(d->guest_slots[val].active);
982 d->guest_slots[val].slot = d->ram->mem_slot;
983 qxl_add_memslot(d, val, 0);
984 break;
985 case QXL_IO_MEMSLOT_DEL:
986 qxl_del_memslot(d, val);
987 break;
988 case QXL_IO_CREATE_PRIMARY:
989 PANIC_ON(val != 0);
990 dprint(d, 1, "QXL_IO_CREATE_PRIMARY\n");
991 d->guest_primary.surface = d->ram->create_surface;
992 qxl_create_guest_primary(d, 0);
993 break;
994 case QXL_IO_DESTROY_PRIMARY:
995 PANIC_ON(val != 0);
996 dprint(d, 1, "QXL_IO_DESTROY_PRIMARY\n");
997 qxl_destroy_primary(d);
998 break;
999 case QXL_IO_DESTROY_SURFACE_WAIT:
1000 d->ssd.worker->destroy_surface_wait(d->ssd.worker, val);
1001 break;
1002 case QXL_IO_DESTROY_ALL_SURFACES:
1003 d->ssd.worker->destroy_surfaces(d->ssd.worker);
1004 break;
1005 default:
1006 fprintf(stderr, "%s: ioport=0x%x, abort()\n", __FUNCTION__, io_port);
1007 abort();
1008 }
1009 }
1010
1011 static uint32_t ioport_read(void *opaque, uint32_t addr)
1012 {
1013 PCIQXLDevice *d = opaque;
1014
1015 dprint(d, 1, "%s: unexpected\n", __FUNCTION__);
1016 return 0xff;
1017 }
1018
1019 static void qxl_map(PCIDevice *pci, int region_num,
1020 pcibus_t addr, pcibus_t size, int type)
1021 {
1022 static const char *names[] = {
1023 [ QXL_IO_RANGE_INDEX ] = "ioports",
1024 [ QXL_RAM_RANGE_INDEX ] = "devram",
1025 [ QXL_ROM_RANGE_INDEX ] = "rom",
1026 [ QXL_VRAM_RANGE_INDEX ] = "vram",
1027 };
1028 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, pci);
1029
1030 dprint(qxl, 1, "%s: bar %d [%s] addr 0x%lx size 0x%lx\n", __FUNCTION__,
1031 region_num, names[region_num], addr, size);
1032
1033 switch (region_num) {
1034 case QXL_IO_RANGE_INDEX:
1035 register_ioport_write(addr, size, 1, ioport_write, pci);
1036 register_ioport_read(addr, size, 1, ioport_read, pci);
1037 qxl->io_base = addr;
1038 break;
1039 case QXL_RAM_RANGE_INDEX:
1040 cpu_register_physical_memory(addr, size, qxl->vga.vram_offset | IO_MEM_RAM);
1041 qxl->vga.map_addr = addr;
1042 qxl->vga.map_end = addr + size;
1043 if (qxl->id == 0) {
1044 vga_dirty_log_start(&qxl->vga);
1045 }
1046 break;
1047 case QXL_ROM_RANGE_INDEX:
1048 cpu_register_physical_memory(addr, size, qxl->rom_offset | IO_MEM_ROM);
1049 break;
1050 case QXL_VRAM_RANGE_INDEX:
1051 cpu_register_physical_memory(addr, size, qxl->vram_offset | IO_MEM_RAM);
1052 break;
1053 }
1054 }
1055
1056 static void pipe_read(void *opaque)
1057 {
1058 PCIQXLDevice *d = opaque;
1059 char dummy;
1060 int len;
1061
1062 do {
1063 len = read(d->pipe[0], &dummy, sizeof(dummy));
1064 } while (len == sizeof(dummy));
1065 qxl_set_irq(d);
1066 }
1067
1068 /* called from spice server thread context only */
1069 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1070 {
1071 uint32_t old_pending;
1072 uint32_t le_events = cpu_to_le32(events);
1073
1074 assert(d->ssd.running);
1075 old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
1076 if ((old_pending & le_events) == le_events) {
1077 return;
1078 }
1079 if (pthread_self() == d->main) {
1080 qxl_set_irq(d);
1081 } else {
1082 if (write(d->pipe[1], d, 1) != 1) {
1083 dprint(d, 1, "%s: write to pipe failed\n", __FUNCTION__);
1084 }
1085 }
1086 }
1087
1088 static void init_pipe_signaling(PCIQXLDevice *d)
1089 {
1090 if (pipe(d->pipe) < 0) {
1091 dprint(d, 1, "%s: pipe creation failed\n", __FUNCTION__);
1092 return;
1093 }
1094 #ifdef CONFIG_IOTHREAD
1095 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
1096 #else
1097 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK /* | O_ASYNC */);
1098 #endif
1099 fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
1100 fcntl(d->pipe[0], F_SETOWN, getpid());
1101
1102 d->main = pthread_self();
1103 qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
1104 }
1105
1106 /* graphics console */
1107
1108 static void qxl_hw_update(void *opaque)
1109 {
1110 PCIQXLDevice *qxl = opaque;
1111 VGACommonState *vga = &qxl->vga;
1112
1113 switch (qxl->mode) {
1114 case QXL_MODE_VGA:
1115 vga->update(vga);
1116 break;
1117 case QXL_MODE_COMPAT:
1118 case QXL_MODE_NATIVE:
1119 qxl_render_update(qxl);
1120 break;
1121 default:
1122 break;
1123 }
1124 }
1125
1126 static void qxl_hw_invalidate(void *opaque)
1127 {
1128 PCIQXLDevice *qxl = opaque;
1129 VGACommonState *vga = &qxl->vga;
1130
1131 vga->invalidate(vga);
1132 }
1133
1134 static void qxl_hw_screen_dump(void *opaque, const char *filename)
1135 {
1136 PCIQXLDevice *qxl = opaque;
1137 VGACommonState *vga = &qxl->vga;
1138
1139 switch (qxl->mode) {
1140 case QXL_MODE_COMPAT:
1141 case QXL_MODE_NATIVE:
1142 qxl_render_update(qxl);
1143 ppm_save(filename, qxl->ssd.ds->surface);
1144 break;
1145 case QXL_MODE_VGA:
1146 vga->screen_dump(vga, filename);
1147 break;
1148 default:
1149 break;
1150 }
1151 }
1152
1153 static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
1154 {
1155 PCIQXLDevice *qxl = opaque;
1156 VGACommonState *vga = &qxl->vga;
1157
1158 if (qxl->mode == QXL_MODE_VGA) {
1159 vga->text_update(vga, chardata);
1160 return;
1161 }
1162 }
1163
1164 static void qxl_vm_change_state_handler(void *opaque, int running, int reason)
1165 {
1166 PCIQXLDevice *qxl = opaque;
1167 qemu_spice_vm_change_state_handler(&qxl->ssd, running, reason);
1168
1169 if (!running && qxl->mode == QXL_MODE_NATIVE) {
1170 /* dirty all vram (which holds surfaces) to make sure it is saved */
1171 /* FIXME #1: should go out during "live" stage */
1172 /* FIXME #2: we only need to save the areas which are actually used */
1173 ram_addr_t addr = qxl->vram_offset;
1174 qxl_set_dirty(addr, addr + qxl->vram_size);
1175 }
1176 }
1177
1178 /* display change listener */
1179
1180 static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
1181 {
1182 if (qxl0->mode == QXL_MODE_VGA) {
1183 qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
1184 }
1185 }
1186
1187 static void display_resize(struct DisplayState *ds)
1188 {
1189 if (qxl0->mode == QXL_MODE_VGA) {
1190 qemu_spice_display_resize(&qxl0->ssd);
1191 }
1192 }
1193
1194 static void display_refresh(struct DisplayState *ds)
1195 {
1196 if (qxl0->mode == QXL_MODE_VGA) {
1197 qemu_spice_display_refresh(&qxl0->ssd);
1198 }
1199 }
1200
1201 static DisplayChangeListener display_listener = {
1202 .dpy_update = display_update,
1203 .dpy_resize = display_resize,
1204 .dpy_refresh = display_refresh,
1205 };
1206
1207 static int qxl_init_common(PCIQXLDevice *qxl)
1208 {
1209 uint8_t* config = qxl->pci.config;
1210 uint32_t pci_device_id;
1211 uint32_t pci_device_rev;
1212 uint32_t io_size;
1213
1214 qxl->mode = QXL_MODE_UNDEFINED;
1215 qxl->generation = 1;
1216 qxl->num_memslots = NUM_MEMSLOTS;
1217 qxl->num_surfaces = NUM_SURFACES;
1218
1219 switch (qxl->revision) {
1220 case 1: /* spice 0.4 -- qxl-1 */
1221 pci_device_id = QXL_DEVICE_ID_STABLE;
1222 pci_device_rev = QXL_REVISION_STABLE_V04;
1223 break;
1224 case 2: /* spice 0.6 -- qxl-2 */
1225 pci_device_id = QXL_DEVICE_ID_STABLE;
1226 pci_device_rev = QXL_REVISION_STABLE_V06;
1227 break;
1228 default: /* experimental */
1229 pci_device_id = QXL_DEVICE_ID_DEVEL;
1230 pci_device_rev = 1;
1231 break;
1232 }
1233
1234 pci_config_set_device_id(config, pci_device_id);
1235 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
1236 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
1237
1238 qxl->rom_size = qxl_rom_size();
1239 qxl->rom_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vrom", qxl->rom_size);
1240 init_qxl_rom(qxl);
1241 init_qxl_ram(qxl);
1242
1243 if (qxl->vram_size < 16 * 1024 * 1024) {
1244 qxl->vram_size = 16 * 1024 * 1024;
1245 }
1246 if (qxl->revision == 1) {
1247 qxl->vram_size = 4096;
1248 }
1249 qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
1250 qxl->vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vram", qxl->vram_size);
1251
1252 io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
1253 if (qxl->revision == 1) {
1254 io_size = 8;
1255 }
1256
1257 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
1258 io_size, PCI_BASE_ADDRESS_SPACE_IO, qxl_map);
1259
1260 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
1261 qxl->rom_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1262 qxl_map);
1263
1264 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
1265 qxl->vga.vram_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1266 qxl_map);
1267
1268 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, qxl->vram_size,
1269 PCI_BASE_ADDRESS_SPACE_MEMORY, qxl_map);
1270
1271 qxl->ssd.qxl.base.sif = &qxl_interface.base;
1272 qxl->ssd.qxl.id = qxl->id;
1273 qemu_spice_add_interface(&qxl->ssd.qxl.base);
1274 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
1275
1276 init_pipe_signaling(qxl);
1277 qxl_reset_state(qxl);
1278
1279 return 0;
1280 }
1281
1282 static int qxl_init_primary(PCIDevice *dev)
1283 {
1284 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1285 VGACommonState *vga = &qxl->vga;
1286 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1287
1288 qxl->id = 0;
1289
1290 if (ram_size < 32 * 1024 * 1024) {
1291 ram_size = 32 * 1024 * 1024;
1292 }
1293 vga_common_init(vga, ram_size);
1294 vga_init(vga);
1295 register_ioport_write(0x3c0, 16, 1, qxl_vga_ioport_write, vga);
1296 register_ioport_write(0x3b4, 2, 1, qxl_vga_ioport_write, vga);
1297 register_ioport_write(0x3d4, 2, 1, qxl_vga_ioport_write, vga);
1298 register_ioport_write(0x3ba, 1, 1, qxl_vga_ioport_write, vga);
1299 register_ioport_write(0x3da, 1, 1, qxl_vga_ioport_write, vga);
1300
1301 vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
1302 qxl_hw_screen_dump, qxl_hw_text_update, qxl);
1303 qxl->ssd.ds = vga->ds;
1304 qemu_mutex_init(&qxl->ssd.lock);
1305 qxl->ssd.mouse_x = -1;
1306 qxl->ssd.mouse_y = -1;
1307 qxl->ssd.bufsize = (16 * 1024 * 1024);
1308 qxl->ssd.buf = qemu_malloc(qxl->ssd.bufsize);
1309
1310 qxl0 = qxl;
1311 register_displaychangelistener(vga->ds, &display_listener);
1312
1313 return qxl_init_common(qxl);
1314 }
1315
1316 static int qxl_init_secondary(PCIDevice *dev)
1317 {
1318 static int device_id = 1;
1319 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1320 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1321
1322 qxl->id = device_id++;
1323
1324 if (ram_size < 16 * 1024 * 1024) {
1325 ram_size = 16 * 1024 * 1024;
1326 }
1327 qxl->vga.vram_size = ram_size;
1328 qxl->vga.vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vgavram",
1329 qxl->vga.vram_size);
1330 qxl->vga.vram_ptr = qemu_get_ram_ptr(qxl->vga.vram_offset);
1331
1332 return qxl_init_common(qxl);
1333 }
1334
1335 static void qxl_pre_save(void *opaque)
1336 {
1337 PCIQXLDevice* d = opaque;
1338 uint8_t *ram_start = d->vga.vram_ptr;
1339
1340 dprint(d, 1, "%s:\n", __FUNCTION__);
1341 if (d->last_release == NULL) {
1342 d->last_release_offset = 0;
1343 } else {
1344 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
1345 }
1346 assert(d->last_release_offset < d->vga.vram_size);
1347 }
1348
1349 static int qxl_pre_load(void *opaque)
1350 {
1351 PCIQXLDevice* d = opaque;
1352
1353 dprint(d, 1, "%s: start\n", __FUNCTION__);
1354 qxl_hard_reset(d, 1);
1355 qxl_exit_vga_mode(d);
1356 dprint(d, 1, "%s: done\n", __FUNCTION__);
1357 return 0;
1358 }
1359
1360 static int qxl_post_load(void *opaque, int version)
1361 {
1362 PCIQXLDevice* d = opaque;
1363 uint8_t *ram_start = d->vga.vram_ptr;
1364 QXLCommandExt *cmds;
1365 int in, out, i, newmode;
1366
1367 dprint(d, 1, "%s: start\n", __FUNCTION__);
1368
1369 assert(d->last_release_offset < d->vga.vram_size);
1370 if (d->last_release_offset == 0) {
1371 d->last_release = NULL;
1372 } else {
1373 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
1374 }
1375
1376 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
1377
1378 dprint(d, 1, "%s: restore mode\n", __FUNCTION__);
1379 newmode = d->mode;
1380 d->mode = QXL_MODE_UNDEFINED;
1381 switch (newmode) {
1382 case QXL_MODE_UNDEFINED:
1383 break;
1384 case QXL_MODE_VGA:
1385 qxl_enter_vga_mode(d);
1386 break;
1387 case QXL_MODE_NATIVE:
1388 for (i = 0; i < NUM_MEMSLOTS; i++) {
1389 if (!d->guest_slots[i].active) {
1390 continue;
1391 }
1392 qxl_add_memslot(d, i, 0);
1393 }
1394 qxl_create_guest_primary(d, 1);
1395
1396 /* replay surface-create and cursor-set commands */
1397 cmds = qemu_mallocz(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
1398 for (in = 0, out = 0; in < NUM_SURFACES; in++) {
1399 if (d->guest_surfaces.cmds[in] == 0) {
1400 continue;
1401 }
1402 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
1403 cmds[out].cmd.type = QXL_CMD_SURFACE;
1404 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1405 out++;
1406 }
1407 cmds[out].cmd.data = d->guest_cursor;
1408 cmds[out].cmd.type = QXL_CMD_CURSOR;
1409 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1410 out++;
1411 d->ssd.worker->loadvm_commands(d->ssd.worker, cmds, out);
1412 qemu_free(cmds);
1413
1414 break;
1415 case QXL_MODE_COMPAT:
1416 qxl_set_mode(d, d->shadow_rom.mode, 1);
1417 break;
1418 }
1419 dprint(d, 1, "%s: done\n", __FUNCTION__);
1420
1421 return 0;
1422 }
1423
1424 #define QXL_SAVE_VERSION 21
1425
1426 static VMStateDescription qxl_memslot = {
1427 .name = "qxl-memslot",
1428 .version_id = QXL_SAVE_VERSION,
1429 .minimum_version_id = QXL_SAVE_VERSION,
1430 .fields = (VMStateField[]) {
1431 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
1432 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
1433 VMSTATE_UINT32(active, struct guest_slots),
1434 VMSTATE_END_OF_LIST()
1435 }
1436 };
1437
1438 static VMStateDescription qxl_surface = {
1439 .name = "qxl-surface",
1440 .version_id = QXL_SAVE_VERSION,
1441 .minimum_version_id = QXL_SAVE_VERSION,
1442 .fields = (VMStateField[]) {
1443 VMSTATE_UINT32(width, QXLSurfaceCreate),
1444 VMSTATE_UINT32(height, QXLSurfaceCreate),
1445 VMSTATE_INT32(stride, QXLSurfaceCreate),
1446 VMSTATE_UINT32(format, QXLSurfaceCreate),
1447 VMSTATE_UINT32(position, QXLSurfaceCreate),
1448 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
1449 VMSTATE_UINT32(flags, QXLSurfaceCreate),
1450 VMSTATE_UINT32(type, QXLSurfaceCreate),
1451 VMSTATE_UINT64(mem, QXLSurfaceCreate),
1452 VMSTATE_END_OF_LIST()
1453 }
1454 };
1455
1456 static VMStateDescription qxl_vmstate = {
1457 .name = "qxl",
1458 .version_id = QXL_SAVE_VERSION,
1459 .minimum_version_id = QXL_SAVE_VERSION,
1460 .pre_save = qxl_pre_save,
1461 .pre_load = qxl_pre_load,
1462 .post_load = qxl_post_load,
1463 .fields = (VMStateField []) {
1464 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
1465 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
1466 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
1467 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
1468 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
1469 VMSTATE_UINT32(mode, PCIQXLDevice),
1470 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
1471 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
1472 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
1473 qxl_memslot, struct guest_slots),
1474 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
1475 qxl_surface, QXLSurfaceCreate),
1476 VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
1477 VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
1478 vmstate_info_uint64, uint64_t),
1479 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
1480 VMSTATE_END_OF_LIST()
1481 },
1482 };
1483
1484 static PCIDeviceInfo qxl_info_primary = {
1485 .qdev.name = "qxl-vga",
1486 .qdev.desc = "Spice QXL GPU (primary, vga compatible)",
1487 .qdev.size = sizeof(PCIQXLDevice),
1488 .qdev.reset = qxl_reset_handler,
1489 .qdev.vmsd = &qxl_vmstate,
1490 .no_hotplug = 1,
1491 .init = qxl_init_primary,
1492 .config_write = qxl_write_config,
1493 .romfile = "vgabios-qxl.bin",
1494 .vendor_id = REDHAT_PCI_VENDOR_ID,
1495 .class_id = PCI_CLASS_DISPLAY_VGA,
1496 .qdev.props = (Property[]) {
1497 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * 1024 * 1024),
1498 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
1499 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
1500 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1501 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1502 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1503 DEFINE_PROP_END_OF_LIST(),
1504 }
1505 };
1506
1507 static PCIDeviceInfo qxl_info_secondary = {
1508 .qdev.name = "qxl",
1509 .qdev.desc = "Spice QXL GPU (secondary)",
1510 .qdev.size = sizeof(PCIQXLDevice),
1511 .qdev.reset = qxl_reset_handler,
1512 .qdev.vmsd = &qxl_vmstate,
1513 .init = qxl_init_secondary,
1514 .vendor_id = REDHAT_PCI_VENDOR_ID,
1515 .class_id = PCI_CLASS_DISPLAY_OTHER,
1516 .qdev.props = (Property[]) {
1517 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * 1024 * 1024),
1518 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
1519 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
1520 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1521 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1522 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1523 DEFINE_PROP_END_OF_LIST(),
1524 }
1525 };
1526
1527 static void qxl_register(void)
1528 {
1529 pci_qdev_register(&qxl_info_primary);
1530 pci_qdev_register(&qxl_info_secondary);
1531 }
1532
1533 device_init(qxl_register);
QEmu