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target-arm: Detect tininess before rounding for FP operations
[qemu.git] / hw / qxl.c
blobfe4212bff04e73afa3d46de513d14eea44089b29
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;
347
348 switch (qxl->mode) {
349 case QXL_MODE_VGA:
350 dprint(qxl, 2, "%s: vga\n", __FUNCTION__);
351 update = qemu_spice_create_update(&qxl->ssd);
352 if (update == NULL) {
353 return false;
354 }
355 *ext = update->ext;
356 qxl_log_command(qxl, "vga", ext);
357 return true;
358 case QXL_MODE_COMPAT:
359 case QXL_MODE_NATIVE:
360 case QXL_MODE_UNDEFINED:
361 dprint(qxl, 2, "%s: %s\n", __FUNCTION__,
362 qxl->cmdflags ? "compat" : "native");
363 ring = &qxl->ram->cmd_ring;
364 if (SPICE_RING_IS_EMPTY(ring)) {
365 return false;
366 }
367 SPICE_RING_CONS_ITEM(ring, cmd);
368 ext->cmd = *cmd;
369 ext->group_id = MEMSLOT_GROUP_GUEST;
370 ext->flags = qxl->cmdflags;
371 SPICE_RING_POP(ring, notify);
372 qxl_ring_set_dirty(qxl);
373 if (notify) {
374 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
375 }
376 qxl->guest_primary.commands++;
377 qxl_track_command(qxl, ext);
378 qxl_log_command(qxl, "cmd", ext);
379 return true;
380 default:
381 return false;
382 }
383 }
384
385 /* called from spice server thread context only */
386 static int interface_req_cmd_notification(QXLInstance *sin)
387 {
388 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
389 int wait = 1;
390
391 switch (qxl->mode) {
392 case QXL_MODE_COMPAT:
393 case QXL_MODE_NATIVE:
394 case QXL_MODE_UNDEFINED:
395 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
396 qxl_ring_set_dirty(qxl);
397 break;
398 default:
399 /* nothing */
400 break;
401 }
402 return wait;
403 }
404
405 /* called from spice server thread context only */
406 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
407 {
408 QXLReleaseRing *ring = &d->ram->release_ring;
409 uint64_t *item;
410 int notify;
411
412 #define QXL_FREE_BUNCH_SIZE 32
413
414 if (ring->prod - ring->cons + 1 == ring->num_items) {
415 /* ring full -- can't push */
416 return;
417 }
418 if (!flush && d->oom_running) {
419 /* collect everything from oom handler before pushing */
420 return;
421 }
422 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
423 /* collect a bit more before pushing */
424 return;
425 }
426
427 SPICE_RING_PUSH(ring, notify);
428 dprint(d, 2, "free: push %d items, notify %s, ring %d/%d [%d,%d]\n",
429 d->num_free_res, notify ? "yes" : "no",
430 ring->prod - ring->cons, ring->num_items,
431 ring->prod, ring->cons);
432 if (notify) {
433 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
434 }
435 SPICE_RING_PROD_ITEM(ring, item);
436 *item = 0;
437 d->num_free_res = 0;
438 d->last_release = NULL;
439 qxl_ring_set_dirty(d);
440 }
441
442 /* called from spice server thread context only */
443 static void interface_release_resource(QXLInstance *sin,
444 struct QXLReleaseInfoExt ext)
445 {
446 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
447 QXLReleaseRing *ring;
448 uint64_t *item, id;
449
450 if (ext.group_id == MEMSLOT_GROUP_HOST) {
451 /* host group -> vga mode update request */
452 qemu_spice_destroy_update(&qxl->ssd, (void*)ext.info->id);
453 return;
454 }
455
456 /*
457 * ext->info points into guest-visible memory
458 * pci bar 0, $command.release_info
459 */
460 ring = &qxl->ram->release_ring;
461 SPICE_RING_PROD_ITEM(ring, item);
462 if (*item == 0) {
463 /* stick head into the ring */
464 id = ext.info->id;
465 ext.info->next = 0;
466 qxl_ram_set_dirty(qxl, &ext.info->next);
467 *item = id;
468 qxl_ring_set_dirty(qxl);
469 } else {
470 /* append item to the list */
471 qxl->last_release->next = ext.info->id;
472 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
473 ext.info->next = 0;
474 qxl_ram_set_dirty(qxl, &ext.info->next);
475 }
476 qxl->last_release = ext.info;
477 qxl->num_free_res++;
478 dprint(qxl, 3, "%4d\r", qxl->num_free_res);
479 qxl_push_free_res(qxl, 0);
480 }
481
482 /* called from spice server thread context only */
483 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
484 {
485 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
486 QXLCursorRing *ring;
487 QXLCommand *cmd;
488 int notify;
489
490 switch (qxl->mode) {
491 case QXL_MODE_COMPAT:
492 case QXL_MODE_NATIVE:
493 case QXL_MODE_UNDEFINED:
494 ring = &qxl->ram->cursor_ring;
495 if (SPICE_RING_IS_EMPTY(ring)) {
496 return false;
497 }
498 SPICE_RING_CONS_ITEM(ring, cmd);
499 ext->cmd = *cmd;
500 ext->group_id = MEMSLOT_GROUP_GUEST;
501 ext->flags = qxl->cmdflags;
502 SPICE_RING_POP(ring, notify);
503 qxl_ring_set_dirty(qxl);
504 if (notify) {
505 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
506 }
507 qxl->guest_primary.commands++;
508 qxl_track_command(qxl, ext);
509 qxl_log_command(qxl, "csr", ext);
510 if (qxl->id == 0) {
511 qxl_render_cursor(qxl, ext);
512 }
513 return true;
514 default:
515 return false;
516 }
517 }
518
519 /* called from spice server thread context only */
520 static int interface_req_cursor_notification(QXLInstance *sin)
521 {
522 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
523 int wait = 1;
524
525 switch (qxl->mode) {
526 case QXL_MODE_COMPAT:
527 case QXL_MODE_NATIVE:
528 case QXL_MODE_UNDEFINED:
529 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
530 qxl_ring_set_dirty(qxl);
531 break;
532 default:
533 /* nothing */
534 break;
535 }
536 return wait;
537 }
538
539 /* called from spice server thread context */
540 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
541 {
542 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
543 abort();
544 }
545
546 /* called from spice server thread context only */
547 static int interface_flush_resources(QXLInstance *sin)
548 {
549 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
550 int ret;
551
552 dprint(qxl, 1, "free: guest flush (have %d)\n", qxl->num_free_res);
553 ret = qxl->num_free_res;
554 if (ret) {
555 qxl_push_free_res(qxl, 1);
556 }
557 return ret;
558 }
559
560 static const QXLInterface qxl_interface = {
561 .base.type = SPICE_INTERFACE_QXL,
562 .base.description = "qxl gpu",
563 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
564 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
565
566 .attache_worker = interface_attach_worker,
567 .set_compression_level = interface_set_compression_level,
568 .set_mm_time = interface_set_mm_time,
569 .get_init_info = interface_get_init_info,
570
571 /* the callbacks below are called from spice server thread context */
572 .get_command = interface_get_command,
573 .req_cmd_notification = interface_req_cmd_notification,
574 .release_resource = interface_release_resource,
575 .get_cursor_command = interface_get_cursor_command,
576 .req_cursor_notification = interface_req_cursor_notification,
577 .notify_update = interface_notify_update,
578 .flush_resources = interface_flush_resources,
579 };
580
581 static void qxl_enter_vga_mode(PCIQXLDevice *d)
582 {
583 if (d->mode == QXL_MODE_VGA) {
584 return;
585 }
586 dprint(d, 1, "%s\n", __FUNCTION__);
587 qemu_spice_create_host_primary(&d->ssd);
588 d->mode = QXL_MODE_VGA;
589 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
590 }
591
592 static void qxl_exit_vga_mode(PCIQXLDevice *d)
593 {
594 if (d->mode != QXL_MODE_VGA) {
595 return;
596 }
597 dprint(d, 1, "%s\n", __FUNCTION__);
598 qxl_destroy_primary(d);
599 }
600
601 static void qxl_set_irq(PCIQXLDevice *d)
602 {
603 uint32_t pending = le32_to_cpu(d->ram->int_pending);
604 uint32_t mask = le32_to_cpu(d->ram->int_mask);
605 int level = !!(pending & mask);
606 qemu_set_irq(d->pci.irq[0], level);
607 qxl_ring_set_dirty(d);
608 }
609
610 static void qxl_write_config(PCIDevice *d, uint32_t address,
611 uint32_t val, int len)
612 {
613 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, d);
614 VGACommonState *vga = &qxl->vga;
615
616 vga_dirty_log_stop(vga);
617 pci_default_write_config(d, address, val, len);
618 if (vga->map_addr && qxl->pci.io_regions[0].addr == -1) {
619 vga->map_addr = 0;
620 }
621 vga_dirty_log_start(vga);
622 }
623
624 static void qxl_check_state(PCIQXLDevice *d)
625 {
626 QXLRam *ram = d->ram;
627
628 assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
629 assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
630 }
631
632 static void qxl_reset_state(PCIQXLDevice *d)
633 {
634 QXLRam *ram = d->ram;
635 QXLRom *rom = d->rom;
636
637 assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
638 assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
639 d->shadow_rom.update_id = cpu_to_le32(0);
640 *rom = d->shadow_rom;
641 qxl_rom_set_dirty(d);
642 init_qxl_ram(d);
643 d->num_free_res = 0;
644 d->last_release = NULL;
645 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
646 }
647
648 static void qxl_soft_reset(PCIQXLDevice *d)
649 {
650 dprint(d, 1, "%s:\n", __FUNCTION__);
651 qxl_check_state(d);
652
653 if (d->id == 0) {
654 qxl_enter_vga_mode(d);
655 } else {
656 d->mode = QXL_MODE_UNDEFINED;
657 }
658 }
659
660 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
661 {
662 dprint(d, 1, "%s: start%s\n", __FUNCTION__,
663 loadvm ? " (loadvm)" : "");
664
665 qemu_mutex_unlock_iothread();
666 d->ssd.worker->reset_cursor(d->ssd.worker);
667 d->ssd.worker->reset_image_cache(d->ssd.worker);
668 qemu_mutex_lock_iothread();
669 qxl_reset_surfaces(d);
670 qxl_reset_memslots(d);
671
672 /* pre loadvm reset must not touch QXLRam. This lives in
673 * device memory, is migrated together with RAM and thus
674 * already loaded at this point */
675 if (!loadvm) {
676 qxl_reset_state(d);
677 }
678 qemu_spice_create_host_memslot(&d->ssd);
679 qxl_soft_reset(d);
680
681 dprint(d, 1, "%s: done\n", __FUNCTION__);
682 }
683
684 static void qxl_reset_handler(DeviceState *dev)
685 {
686 PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
687 qxl_hard_reset(d, 0);
688 }
689
690 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
691 {
692 VGACommonState *vga = opaque;
693 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
694
695 if (qxl->mode != QXL_MODE_VGA) {
696 dprint(qxl, 1, "%s\n", __FUNCTION__);
697 qxl_destroy_primary(qxl);
698 qxl_soft_reset(qxl);
699 }
700 vga_ioport_write(opaque, addr, val);
701 }
702
703 static void qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta)
704 {
705 static const int regions[] = {
706 QXL_RAM_RANGE_INDEX,
707 QXL_VRAM_RANGE_INDEX,
708 };
709 uint64_t guest_start;
710 uint64_t guest_end;
711 int pci_region;
712 pcibus_t pci_start;
713 pcibus_t pci_end;
714 intptr_t virt_start;
715 QXLDevMemSlot memslot;
716 int i;
717
718 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
719 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
720
721 dprint(d, 1, "%s: slot %d: guest phys 0x%" PRIx64 " - 0x%" PRIx64 "\n",
722 __FUNCTION__, slot_id,
723 guest_start, guest_end);
724
725 PANIC_ON(slot_id >= NUM_MEMSLOTS);
726 PANIC_ON(guest_start > guest_end);
727
728 for (i = 0; i < ARRAY_SIZE(regions); i++) {
729 pci_region = regions[i];
730 pci_start = d->pci.io_regions[pci_region].addr;
731 pci_end = pci_start + d->pci.io_regions[pci_region].size;
732 /* mapped? */
733 if (pci_start == -1) {
734 continue;
735 }
736 /* start address in range ? */
737 if (guest_start < pci_start || guest_start > pci_end) {
738 continue;
739 }
740 /* end address in range ? */
741 if (guest_end > pci_end) {
742 continue;
743 }
744 /* passed */
745 break;
746 }
747 PANIC_ON(i == ARRAY_SIZE(regions)); /* finished loop without match */
748
749 switch (pci_region) {
750 case QXL_RAM_RANGE_INDEX:
751 virt_start = (intptr_t)qemu_get_ram_ptr(d->vga.vram_offset);
752 break;
753 case QXL_VRAM_RANGE_INDEX:
754 virt_start = (intptr_t)qemu_get_ram_ptr(d->vram_offset);
755 break;
756 default:
757 /* should not happen */
758 abort();
759 }
760
761 memslot.slot_id = slot_id;
762 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
763 memslot.virt_start = virt_start + (guest_start - pci_start);
764 memslot.virt_end = virt_start + (guest_end - pci_start);
765 memslot.addr_delta = memslot.virt_start - delta;
766 memslot.generation = d->rom->slot_generation = 0;
767 qxl_rom_set_dirty(d);
768
769 dprint(d, 1, "%s: slot %d: host virt 0x%" PRIx64 " - 0x%" PRIx64 "\n",
770 __FUNCTION__, memslot.slot_id,
771 memslot.virt_start, memslot.virt_end);
772
773 d->ssd.worker->add_memslot(d->ssd.worker, &memslot);
774 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
775 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
776 d->guest_slots[slot_id].delta = delta;
777 d->guest_slots[slot_id].active = 1;
778 }
779
780 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
781 {
782 dprint(d, 1, "%s: slot %d\n", __FUNCTION__, slot_id);
783 d->ssd.worker->del_memslot(d->ssd.worker, MEMSLOT_GROUP_HOST, slot_id);
784 d->guest_slots[slot_id].active = 0;
785 }
786
787 static void qxl_reset_memslots(PCIQXLDevice *d)
788 {
789 dprint(d, 1, "%s:\n", __FUNCTION__);
790 d->ssd.worker->reset_memslots(d->ssd.worker);
791 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
792 }
793
794 static void qxl_reset_surfaces(PCIQXLDevice *d)
795 {
796 dprint(d, 1, "%s:\n", __FUNCTION__);
797 d->mode = QXL_MODE_UNDEFINED;
798 qemu_mutex_unlock_iothread();
799 d->ssd.worker->destroy_surfaces(d->ssd.worker);
800 qemu_mutex_lock_iothread();
801 memset(&d->guest_surfaces.cmds, 0, sizeof(d->guest_surfaces.cmds));
802 }
803
804 /* called from spice server thread context only */
805 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
806 {
807 uint64_t phys = le64_to_cpu(pqxl);
808 uint32_t slot = (phys >> (64 - 8)) & 0xff;
809 uint64_t offset = phys & 0xffffffffffff;
810
811 switch (group_id) {
812 case MEMSLOT_GROUP_HOST:
813 return (void*)offset;
814 case MEMSLOT_GROUP_GUEST:
815 PANIC_ON(slot > NUM_MEMSLOTS);
816 PANIC_ON(!qxl->guest_slots[slot].active);
817 PANIC_ON(offset < qxl->guest_slots[slot].delta);
818 offset -= qxl->guest_slots[slot].delta;
819 PANIC_ON(offset > qxl->guest_slots[slot].size)
820 return qxl->guest_slots[slot].ptr + offset;
821 default:
822 PANIC_ON(1);
823 }
824 }
825
826 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm)
827 {
828 QXLDevSurfaceCreate surface;
829 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
830
831 assert(qxl->mode != QXL_MODE_NATIVE);
832 qxl_exit_vga_mode(qxl);
833
834 dprint(qxl, 1, "%s: %dx%d\n", __FUNCTION__,
835 le32_to_cpu(sc->width), le32_to_cpu(sc->height));
836
837 surface.format = le32_to_cpu(sc->format);
838 surface.height = le32_to_cpu(sc->height);
839 surface.mem = le64_to_cpu(sc->mem);
840 surface.position = le32_to_cpu(sc->position);
841 surface.stride = le32_to_cpu(sc->stride);
842 surface.width = le32_to_cpu(sc->width);
843 surface.type = le32_to_cpu(sc->type);
844 surface.flags = le32_to_cpu(sc->flags);
845
846 surface.mouse_mode = true;
847 surface.group_id = MEMSLOT_GROUP_GUEST;
848 if (loadvm) {
849 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
850 }
851
852 qxl->mode = QXL_MODE_NATIVE;
853 qxl->cmdflags = 0;
854 qxl->ssd.worker->create_primary_surface(qxl->ssd.worker, 0, &surface);
855
856 /* for local rendering */
857 qxl_render_resize(qxl);
858 }
859
860 static void qxl_destroy_primary(PCIQXLDevice *d)
861 {
862 if (d->mode == QXL_MODE_UNDEFINED) {
863 return;
864 }
865
866 dprint(d, 1, "%s\n", __FUNCTION__);
867
868 d->mode = QXL_MODE_UNDEFINED;
869 qemu_mutex_unlock_iothread();
870 d->ssd.worker->destroy_primary_surface(d->ssd.worker, 0);
871 qemu_mutex_lock_iothread();
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 qemu_mutex_unlock_iothread();
942 d->ssd.worker->update_area(d->ssd.worker, d->ram->update_surface,
943 &update, NULL, 0, 0);
944 qemu_mutex_lock_iothread();
945 break;
946 }
947 case QXL_IO_NOTIFY_CMD:
948 d->ssd.worker->wakeup(d->ssd.worker);
949 break;
950 case QXL_IO_NOTIFY_CURSOR:
951 d->ssd.worker->wakeup(d->ssd.worker);
952 break;
953 case QXL_IO_UPDATE_IRQ:
954 qxl_set_irq(d);
955 break;
956 case QXL_IO_NOTIFY_OOM:
957 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
958 break;
959 }
960 pthread_yield();
961 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
962 break;
963 }
964 d->oom_running = 1;
965 d->ssd.worker->oom(d->ssd.worker);
966 d->oom_running = 0;
967 break;
968 case QXL_IO_SET_MODE:
969 dprint(d, 1, "QXL_SET_MODE %d\n", val);
970 qxl_set_mode(d, val, 0);
971 break;
972 case QXL_IO_LOG:
973 if (d->guestdebug) {
974 fprintf(stderr, "qxl/guest: %s", d->ram->log_buf);
975 }
976 break;
977 case QXL_IO_RESET:
978 dprint(d, 1, "QXL_IO_RESET\n");
979 qxl_hard_reset(d, 0);
980 break;
981 case QXL_IO_MEMSLOT_ADD:
982 PANIC_ON(val >= NUM_MEMSLOTS);
983 PANIC_ON(d->guest_slots[val].active);
984 d->guest_slots[val].slot = d->ram->mem_slot;
985 qxl_add_memslot(d, val, 0);
986 break;
987 case QXL_IO_MEMSLOT_DEL:
988 qxl_del_memslot(d, val);
989 break;
990 case QXL_IO_CREATE_PRIMARY:
991 PANIC_ON(val != 0);
992 dprint(d, 1, "QXL_IO_CREATE_PRIMARY\n");
993 d->guest_primary.surface = d->ram->create_surface;
994 qxl_create_guest_primary(d, 0);
995 break;
996 case QXL_IO_DESTROY_PRIMARY:
997 PANIC_ON(val != 0);
998 dprint(d, 1, "QXL_IO_DESTROY_PRIMARY\n");
999 qxl_destroy_primary(d);
1000 break;
1001 case QXL_IO_DESTROY_SURFACE_WAIT:
1002 d->ssd.worker->destroy_surface_wait(d->ssd.worker, val);
1003 break;
1004 case QXL_IO_DESTROY_ALL_SURFACES:
1005 d->ssd.worker->destroy_surfaces(d->ssd.worker);
1006 break;
1007 default:
1008 fprintf(stderr, "%s: ioport=0x%x, abort()\n", __FUNCTION__, io_port);
1009 abort();
1010 }
1011 }
1012
1013 static uint32_t ioport_read(void *opaque, uint32_t addr)
1014 {
1015 PCIQXLDevice *d = opaque;
1016
1017 dprint(d, 1, "%s: unexpected\n", __FUNCTION__);
1018 return 0xff;
1019 }
1020
1021 static void qxl_map(PCIDevice *pci, int region_num,
1022 pcibus_t addr, pcibus_t size, int type)
1023 {
1024 static const char *names[] = {
1025 [ QXL_IO_RANGE_INDEX ] = "ioports",
1026 [ QXL_RAM_RANGE_INDEX ] = "devram",
1027 [ QXL_ROM_RANGE_INDEX ] = "rom",
1028 [ QXL_VRAM_RANGE_INDEX ] = "vram",
1029 };
1030 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, pci);
1031
1032 dprint(qxl, 1, "%s: bar %d [%s] addr 0x%lx size 0x%lx\n", __FUNCTION__,
1033 region_num, names[region_num], addr, size);
1034
1035 switch (region_num) {
1036 case QXL_IO_RANGE_INDEX:
1037 register_ioport_write(addr, size, 1, ioport_write, pci);
1038 register_ioport_read(addr, size, 1, ioport_read, pci);
1039 qxl->io_base = addr;
1040 break;
1041 case QXL_RAM_RANGE_INDEX:
1042 cpu_register_physical_memory(addr, size, qxl->vga.vram_offset | IO_MEM_RAM);
1043 qxl->vga.map_addr = addr;
1044 qxl->vga.map_end = addr + size;
1045 if (qxl->id == 0) {
1046 vga_dirty_log_start(&qxl->vga);
1047 }
1048 break;
1049 case QXL_ROM_RANGE_INDEX:
1050 cpu_register_physical_memory(addr, size, qxl->rom_offset | IO_MEM_ROM);
1051 break;
1052 case QXL_VRAM_RANGE_INDEX:
1053 cpu_register_physical_memory(addr, size, qxl->vram_offset | IO_MEM_RAM);
1054 break;
1055 }
1056 }
1057
1058 static void pipe_read(void *opaque)
1059 {
1060 PCIQXLDevice *d = opaque;
1061 char dummy;
1062 int len;
1063
1064 do {
1065 len = read(d->pipe[0], &dummy, sizeof(dummy));
1066 } while (len == sizeof(dummy));
1067 qxl_set_irq(d);
1068 }
1069
1070 /* called from spice server thread context only */
1071 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1072 {
1073 uint32_t old_pending;
1074 uint32_t le_events = cpu_to_le32(events);
1075
1076 assert(d->ssd.running);
1077 old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
1078 if ((old_pending & le_events) == le_events) {
1079 return;
1080 }
1081 if (pthread_self() == d->main) {
1082 qxl_set_irq(d);
1083 } else {
1084 if (write(d->pipe[1], d, 1) != 1) {
1085 dprint(d, 1, "%s: write to pipe failed\n", __FUNCTION__);
1086 }
1087 }
1088 }
1089
1090 static void init_pipe_signaling(PCIQXLDevice *d)
1091 {
1092 if (pipe(d->pipe) < 0) {
1093 dprint(d, 1, "%s: pipe creation failed\n", __FUNCTION__);
1094 return;
1095 }
1096 #ifdef CONFIG_IOTHREAD
1097 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
1098 #else
1099 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK /* | O_ASYNC */);
1100 #endif
1101 fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
1102 fcntl(d->pipe[0], F_SETOWN, getpid());
1103
1104 d->main = pthread_self();
1105 qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
1106 }
1107
1108 /* graphics console */
1109
1110 static void qxl_hw_update(void *opaque)
1111 {
1112 PCIQXLDevice *qxl = opaque;
1113 VGACommonState *vga = &qxl->vga;
1114
1115 switch (qxl->mode) {
1116 case QXL_MODE_VGA:
1117 vga->update(vga);
1118 break;
1119 case QXL_MODE_COMPAT:
1120 case QXL_MODE_NATIVE:
1121 qxl_render_update(qxl);
1122 break;
1123 default:
1124 break;
1125 }
1126 }
1127
1128 static void qxl_hw_invalidate(void *opaque)
1129 {
1130 PCIQXLDevice *qxl = opaque;
1131 VGACommonState *vga = &qxl->vga;
1132
1133 vga->invalidate(vga);
1134 }
1135
1136 static void qxl_hw_screen_dump(void *opaque, const char *filename)
1137 {
1138 PCIQXLDevice *qxl = opaque;
1139 VGACommonState *vga = &qxl->vga;
1140
1141 switch (qxl->mode) {
1142 case QXL_MODE_COMPAT:
1143 case QXL_MODE_NATIVE:
1144 qxl_render_update(qxl);
1145 ppm_save(filename, qxl->ssd.ds->surface);
1146 break;
1147 case QXL_MODE_VGA:
1148 vga->screen_dump(vga, filename);
1149 break;
1150 default:
1151 break;
1152 }
1153 }
1154
1155 static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
1156 {
1157 PCIQXLDevice *qxl = opaque;
1158 VGACommonState *vga = &qxl->vga;
1159
1160 if (qxl->mode == QXL_MODE_VGA) {
1161 vga->text_update(vga, chardata);
1162 return;
1163 }
1164 }
1165
1166 static void qxl_vm_change_state_handler(void *opaque, int running, int reason)
1167 {
1168 PCIQXLDevice *qxl = opaque;
1169 qemu_spice_vm_change_state_handler(&qxl->ssd, running, reason);
1170
1171 if (!running && qxl->mode == QXL_MODE_NATIVE) {
1172 /* dirty all vram (which holds surfaces) to make sure it is saved */
1173 /* FIXME #1: should go out during "live" stage */
1174 /* FIXME #2: we only need to save the areas which are actually used */
1175 ram_addr_t addr = qxl->vram_offset;
1176 qxl_set_dirty(addr, addr + qxl->vram_size);
1177 }
1178 }
1179
1180 /* display change listener */
1181
1182 static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
1183 {
1184 if (qxl0->mode == QXL_MODE_VGA) {
1185 qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
1186 }
1187 }
1188
1189 static void display_resize(struct DisplayState *ds)
1190 {
1191 if (qxl0->mode == QXL_MODE_VGA) {
1192 qemu_spice_display_resize(&qxl0->ssd);
1193 }
1194 }
1195
1196 static void display_refresh(struct DisplayState *ds)
1197 {
1198 if (qxl0->mode == QXL_MODE_VGA) {
1199 qemu_spice_display_refresh(&qxl0->ssd);
1200 }
1201 }
1202
1203 static DisplayChangeListener display_listener = {
1204 .dpy_update = display_update,
1205 .dpy_resize = display_resize,
1206 .dpy_refresh = display_refresh,
1207 };
1208
1209 static int qxl_init_common(PCIQXLDevice *qxl)
1210 {
1211 uint8_t* config = qxl->pci.config;
1212 uint32_t pci_device_id;
1213 uint32_t pci_device_rev;
1214 uint32_t io_size;
1215
1216 qxl->mode = QXL_MODE_UNDEFINED;
1217 qxl->generation = 1;
1218 qxl->num_memslots = NUM_MEMSLOTS;
1219 qxl->num_surfaces = NUM_SURFACES;
1220
1221 switch (qxl->revision) {
1222 case 1: /* spice 0.4 -- qxl-1 */
1223 pci_device_id = QXL_DEVICE_ID_STABLE;
1224 pci_device_rev = QXL_REVISION_STABLE_V04;
1225 break;
1226 case 2: /* spice 0.6 -- qxl-2 */
1227 pci_device_id = QXL_DEVICE_ID_STABLE;
1228 pci_device_rev = QXL_REVISION_STABLE_V06;
1229 break;
1230 default: /* experimental */
1231 pci_device_id = QXL_DEVICE_ID_DEVEL;
1232 pci_device_rev = 1;
1233 break;
1234 }
1235
1236 pci_config_set_vendor_id(config, REDHAT_PCI_VENDOR_ID);
1237 pci_config_set_device_id(config, pci_device_id);
1238 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
1239 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
1240
1241 qxl->rom_size = qxl_rom_size();
1242 qxl->rom_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vrom", qxl->rom_size);
1243 init_qxl_rom(qxl);
1244 init_qxl_ram(qxl);
1245
1246 if (qxl->vram_size < 16 * 1024 * 1024) {
1247 qxl->vram_size = 16 * 1024 * 1024;
1248 }
1249 if (qxl->revision == 1) {
1250 qxl->vram_size = 4096;
1251 }
1252 qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
1253 qxl->vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vram", qxl->vram_size);
1254
1255 io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
1256 if (qxl->revision == 1) {
1257 io_size = 8;
1258 }
1259
1260 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
1261 io_size, PCI_BASE_ADDRESS_SPACE_IO, qxl_map);
1262
1263 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
1264 qxl->rom_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1265 qxl_map);
1266
1267 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
1268 qxl->vga.vram_size, PCI_BASE_ADDRESS_SPACE_MEMORY,
1269 qxl_map);
1270
1271 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, qxl->vram_size,
1272 PCI_BASE_ADDRESS_SPACE_MEMORY, qxl_map);
1273
1274 qxl->ssd.qxl.base.sif = &qxl_interface.base;
1275 qxl->ssd.qxl.id = qxl->id;
1276 qemu_spice_add_interface(&qxl->ssd.qxl.base);
1277 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
1278
1279 init_pipe_signaling(qxl);
1280 qxl_reset_state(qxl);
1281
1282 return 0;
1283 }
1284
1285 static int qxl_init_primary(PCIDevice *dev)
1286 {
1287 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1288 VGACommonState *vga = &qxl->vga;
1289 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1290
1291 qxl->id = 0;
1292
1293 if (ram_size < 32 * 1024 * 1024) {
1294 ram_size = 32 * 1024 * 1024;
1295 }
1296 vga_common_init(vga, ram_size);
1297 vga_init(vga);
1298 register_ioport_write(0x3c0, 16, 1, qxl_vga_ioport_write, vga);
1299 register_ioport_write(0x3b4, 2, 1, qxl_vga_ioport_write, vga);
1300 register_ioport_write(0x3d4, 2, 1, qxl_vga_ioport_write, vga);
1301 register_ioport_write(0x3ba, 1, 1, qxl_vga_ioport_write, vga);
1302 register_ioport_write(0x3da, 1, 1, qxl_vga_ioport_write, vga);
1303
1304 vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
1305 qxl_hw_screen_dump, qxl_hw_text_update, qxl);
1306 qxl->ssd.ds = vga->ds;
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 pci_config_set_class(dev->config, PCI_CLASS_DISPLAY_VGA);
1314 return qxl_init_common(qxl);
1315 }
1316
1317 static int qxl_init_secondary(PCIDevice *dev)
1318 {
1319 static int device_id = 1;
1320 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1321 ram_addr_t ram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1322
1323 qxl->id = device_id++;
1324
1325 if (ram_size < 16 * 1024 * 1024) {
1326 ram_size = 16 * 1024 * 1024;
1327 }
1328 qxl->vga.vram_size = ram_size;
1329 qxl->vga.vram_offset = qemu_ram_alloc(&qxl->pci.qdev, "qxl.vgavram",
1330 qxl->vga.vram_size);
1331 qxl->vga.vram_ptr = qemu_get_ram_ptr(qxl->vga.vram_offset);
1332
1333 pci_config_set_class(dev->config, PCI_CLASS_DISPLAY_OTHER);
1334 return qxl_init_common(qxl);
1335 }
1336
1337 static void qxl_pre_save(void *opaque)
1338 {
1339 PCIQXLDevice* d = opaque;
1340 uint8_t *ram_start = d->vga.vram_ptr;
1341
1342 dprint(d, 1, "%s:\n", __FUNCTION__);
1343 if (d->last_release == NULL) {
1344 d->last_release_offset = 0;
1345 } else {
1346 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
1347 }
1348 assert(d->last_release_offset < d->vga.vram_size);
1349 }
1350
1351 static int qxl_pre_load(void *opaque)
1352 {
1353 PCIQXLDevice* d = opaque;
1354
1355 dprint(d, 1, "%s: start\n", __FUNCTION__);
1356 qxl_hard_reset(d, 1);
1357 qxl_exit_vga_mode(d);
1358 dprint(d, 1, "%s: done\n", __FUNCTION__);
1359 return 0;
1360 }
1361
1362 static int qxl_post_load(void *opaque, int version)
1363 {
1364 PCIQXLDevice* d = opaque;
1365 uint8_t *ram_start = d->vga.vram_ptr;
1366 QXLCommandExt *cmds;
1367 int in, out, i, newmode;
1368
1369 dprint(d, 1, "%s: start\n", __FUNCTION__);
1370
1371 assert(d->last_release_offset < d->vga.vram_size);
1372 if (d->last_release_offset == 0) {
1373 d->last_release = NULL;
1374 } else {
1375 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
1376 }
1377
1378 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
1379
1380 dprint(d, 1, "%s: restore mode\n", __FUNCTION__);
1381 newmode = d->mode;
1382 d->mode = QXL_MODE_UNDEFINED;
1383 switch (newmode) {
1384 case QXL_MODE_UNDEFINED:
1385 break;
1386 case QXL_MODE_VGA:
1387 qxl_enter_vga_mode(d);
1388 break;
1389 case QXL_MODE_NATIVE:
1390 for (i = 0; i < NUM_MEMSLOTS; i++) {
1391 if (!d->guest_slots[i].active) {
1392 continue;
1393 }
1394 qxl_add_memslot(d, i, 0);
1395 }
1396 qxl_create_guest_primary(d, 1);
1397
1398 /* replay surface-create and cursor-set commands */
1399 cmds = qemu_mallocz(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
1400 for (in = 0, out = 0; in < NUM_SURFACES; in++) {
1401 if (d->guest_surfaces.cmds[in] == 0) {
1402 continue;
1403 }
1404 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
1405 cmds[out].cmd.type = QXL_CMD_SURFACE;
1406 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1407 out++;
1408 }
1409 cmds[out].cmd.data = d->guest_cursor;
1410 cmds[out].cmd.type = QXL_CMD_CURSOR;
1411 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1412 out++;
1413 d->ssd.worker->loadvm_commands(d->ssd.worker, cmds, out);
1414 qemu_free(cmds);
1415
1416 break;
1417 case QXL_MODE_COMPAT:
1418 qxl_set_mode(d, d->shadow_rom.mode, 1);
1419 break;
1420 }
1421 dprint(d, 1, "%s: done\n", __FUNCTION__);
1422
1423 return 0;
1424 }
1425
1426 #define QXL_SAVE_VERSION 21
1427
1428 static VMStateDescription qxl_memslot = {
1429 .name = "qxl-memslot",
1430 .version_id = QXL_SAVE_VERSION,
1431 .minimum_version_id = QXL_SAVE_VERSION,
1432 .fields = (VMStateField[]) {
1433 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
1434 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
1435 VMSTATE_UINT32(active, struct guest_slots),
1436 VMSTATE_END_OF_LIST()
1437 }
1438 };
1439
1440 static VMStateDescription qxl_surface = {
1441 .name = "qxl-surface",
1442 .version_id = QXL_SAVE_VERSION,
1443 .minimum_version_id = QXL_SAVE_VERSION,
1444 .fields = (VMStateField[]) {
1445 VMSTATE_UINT32(width, QXLSurfaceCreate),
1446 VMSTATE_UINT32(height, QXLSurfaceCreate),
1447 VMSTATE_INT32(stride, QXLSurfaceCreate),
1448 VMSTATE_UINT32(format, QXLSurfaceCreate),
1449 VMSTATE_UINT32(position, QXLSurfaceCreate),
1450 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
1451 VMSTATE_UINT32(flags, QXLSurfaceCreate),
1452 VMSTATE_UINT32(type, QXLSurfaceCreate),
1453 VMSTATE_UINT64(mem, QXLSurfaceCreate),
1454 VMSTATE_END_OF_LIST()
1455 }
1456 };
1457
1458 static VMStateDescription qxl_vmstate = {
1459 .name = "qxl",
1460 .version_id = QXL_SAVE_VERSION,
1461 .minimum_version_id = QXL_SAVE_VERSION,
1462 .pre_save = qxl_pre_save,
1463 .pre_load = qxl_pre_load,
1464 .post_load = qxl_post_load,
1465 .fields = (VMStateField []) {
1466 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
1467 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
1468 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
1469 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
1470 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
1471 VMSTATE_UINT32(mode, PCIQXLDevice),
1472 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
1473 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
1474 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
1475 qxl_memslot, struct guest_slots),
1476 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
1477 qxl_surface, QXLSurfaceCreate),
1478 VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
1479 VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
1480 vmstate_info_uint64, uint64_t),
1481 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
1482 VMSTATE_END_OF_LIST()
1483 },
1484 };
1485
1486 static PCIDeviceInfo qxl_info_primary = {
1487 .qdev.name = "qxl-vga",
1488 .qdev.desc = "Spice QXL GPU (primary, vga compatible)",
1489 .qdev.size = sizeof(PCIQXLDevice),
1490 .qdev.reset = qxl_reset_handler,
1491 .qdev.vmsd = &qxl_vmstate,
1492 .no_hotplug = 1,
1493 .init = qxl_init_primary,
1494 .config_write = qxl_write_config,
1495 .romfile = "vgabios-qxl.bin",
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 .qdev.props = (Property[]) {
1515 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * 1024 * 1024),
1516 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
1517 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
1518 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1519 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1520 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1521 DEFINE_PROP_END_OF_LIST(),
1522 }
1523 };
1524
1525 static void qxl_register(void)
1526 {
1527 pci_qdev_register(&qxl_info_primary);
1528 pci_qdev_register(&qxl_info_secondary);
1529 }
1530
1531 device_init(qxl_register);
QEmu