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pseries: Remove PCI device from PCI host bridge code
[qemu/agraf.git] / hw / qxl.c
blobe17b0e31af9c04ec6d70364934f611b299ed4ec6
1 /*
2 * Copyright (C) 2010 Red Hat, Inc.
3 *
4 * written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
5 * maintained by Gerd Hoffmann <kraxel@redhat.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 or
10 * (at your option) version 3 of the License.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "qemu-common.h"
22 #include "qemu-timer.h"
23 #include "qemu-queue.h"
24 #include "monitor.h"
25 #include "sysemu.h"
26
27 #include "qxl.h"
28
29 #undef SPICE_RING_PROD_ITEM
30 #define SPICE_RING_PROD_ITEM(r, ret) { \
31 typeof(r) start = r; \
32 typeof(r) end = r + 1; \
33 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
34 typeof(&(r)->items[prod]) m_item = &(r)->items[prod]; \
35 if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
36 abort(); \
37 } \
38 ret = &m_item->el; \
39 }
40
41 #undef SPICE_RING_CONS_ITEM
42 #define SPICE_RING_CONS_ITEM(r, ret) { \
43 typeof(r) start = r; \
44 typeof(r) end = r + 1; \
45 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
46 typeof(&(r)->items[cons]) m_item = &(r)->items[cons]; \
47 if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1) <= (uint8_t*)(end))) { \
48 abort(); \
49 } \
50 ret = &m_item->el; \
51 }
52
53 #undef ALIGN
54 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
55
56 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
57
58 #define QXL_MODE(_x, _y, _b, _o) \
59 { .x_res = _x, \
60 .y_res = _y, \
61 .bits = _b, \
62 .stride = (_x) * (_b) / 8, \
63 .x_mili = PIXEL_SIZE * (_x), \
64 .y_mili = PIXEL_SIZE * (_y), \
65 .orientation = _o, \
66 }
67
68 #define QXL_MODE_16_32(x_res, y_res, orientation) \
69 QXL_MODE(x_res, y_res, 16, orientation), \
70 QXL_MODE(x_res, y_res, 32, orientation)
71
72 #define QXL_MODE_EX(x_res, y_res) \
73 QXL_MODE_16_32(x_res, y_res, 0), \
74 QXL_MODE_16_32(y_res, x_res, 1), \
75 QXL_MODE_16_32(x_res, y_res, 2), \
76 QXL_MODE_16_32(y_res, x_res, 3)
77
78 static QXLMode qxl_modes[] = {
79 QXL_MODE_EX(640, 480),
80 QXL_MODE_EX(800, 480),
81 QXL_MODE_EX(800, 600),
82 QXL_MODE_EX(832, 624),
83 QXL_MODE_EX(960, 640),
84 QXL_MODE_EX(1024, 600),
85 QXL_MODE_EX(1024, 768),
86 QXL_MODE_EX(1152, 864),
87 QXL_MODE_EX(1152, 870),
88 QXL_MODE_EX(1280, 720),
89 QXL_MODE_EX(1280, 760),
90 QXL_MODE_EX(1280, 768),
91 QXL_MODE_EX(1280, 800),
92 QXL_MODE_EX(1280, 960),
93 QXL_MODE_EX(1280, 1024),
94 QXL_MODE_EX(1360, 768),
95 QXL_MODE_EX(1366, 768),
96 QXL_MODE_EX(1400, 1050),
97 QXL_MODE_EX(1440, 900),
98 QXL_MODE_EX(1600, 900),
99 QXL_MODE_EX(1600, 1200),
100 QXL_MODE_EX(1680, 1050),
101 QXL_MODE_EX(1920, 1080),
102 #if VGA_RAM_SIZE >= (16 * 1024 * 1024)
103 /* these modes need more than 8 MB video memory */
104 QXL_MODE_EX(1920, 1200),
105 QXL_MODE_EX(1920, 1440),
106 QXL_MODE_EX(2048, 1536),
107 QXL_MODE_EX(2560, 1440),
108 QXL_MODE_EX(2560, 1600),
109 #endif
110 #if VGA_RAM_SIZE >= (32 * 1024 * 1024)
111 /* these modes need more than 16 MB video memory */
112 QXL_MODE_EX(2560, 2048),
113 QXL_MODE_EX(2800, 2100),
114 QXL_MODE_EX(3200, 2400),
115 #endif
116 };
117
118 static PCIQXLDevice *qxl0;
119
120 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
121 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
122 static void qxl_reset_memslots(PCIQXLDevice *d);
123 static void qxl_reset_surfaces(PCIQXLDevice *d);
124 static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
125
126 void qxl_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
127 {
128 qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
129 if (qxl->guestdebug) {
130 va_list ap;
131 va_start(ap, msg);
132 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
133 vfprintf(stderr, msg, ap);
134 fprintf(stderr, "\n");
135 va_end(ap);
136 }
137 }
138
139
140 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
141 struct QXLRect *area, struct QXLRect *dirty_rects,
142 uint32_t num_dirty_rects,
143 uint32_t clear_dirty_region,
144 qxl_async_io async, struct QXLCookie *cookie)
145 {
146 if (async == QXL_SYNC) {
147 qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area,
148 dirty_rects, num_dirty_rects, clear_dirty_region);
149 } else {
150 assert(cookie != NULL);
151 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
152 clear_dirty_region, (uint64_t)cookie);
153 }
154 }
155
156 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl,
157 uint32_t id)
158 {
159 qemu_mutex_lock(&qxl->track_lock);
160 qxl->guest_surfaces.cmds[id] = 0;
161 qxl->guest_surfaces.count--;
162 qemu_mutex_unlock(&qxl->track_lock);
163 }
164
165 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id,
166 qxl_async_io async)
167 {
168 QXLCookie *cookie;
169
170 if (async) {
171 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
172 QXL_IO_DESTROY_SURFACE_ASYNC);
173 cookie->u.surface_id = id;
174 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uint64_t)cookie);
175 } else {
176 qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id);
177 qxl_spice_destroy_surface_wait_complete(qxl, id);
178 }
179 }
180
181 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl)
182 {
183 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
184 (uint64_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
185 QXL_IO_FLUSH_SURFACES_ASYNC));
186 }
187
188 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext,
189 uint32_t count)
190 {
191 qxl->ssd.worker->loadvm_commands(qxl->ssd.worker, ext, count);
192 }
193
194 void qxl_spice_oom(PCIQXLDevice *qxl)
195 {
196 qxl->ssd.worker->oom(qxl->ssd.worker);
197 }
198
199 void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
200 {
201 qxl->ssd.worker->reset_memslots(qxl->ssd.worker);
202 }
203
204 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl)
205 {
206 qemu_mutex_lock(&qxl->track_lock);
207 memset(&qxl->guest_surfaces.cmds, 0, sizeof(qxl->guest_surfaces.cmds));
208 qxl->guest_surfaces.count = 0;
209 qemu_mutex_unlock(&qxl->track_lock);
210 }
211
212 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async)
213 {
214 if (async) {
215 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
216 (uint64_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
217 QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
218 } else {
219 qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker);
220 qxl_spice_destroy_surfaces_complete(qxl);
221 }
222 }
223
224 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
225 {
226 qxl->ssd.worker->reset_image_cache(qxl->ssd.worker);
227 }
228
229 void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
230 {
231 qxl->ssd.worker->reset_cursor(qxl->ssd.worker);
232 qemu_mutex_lock(&qxl->track_lock);
233 qxl->guest_cursor = 0;
234 qemu_mutex_unlock(&qxl->track_lock);
235 }
236
237
238 static inline uint32_t msb_mask(uint32_t val)
239 {
240 uint32_t mask;
241
242 do {
243 mask = ~(val - 1) & val;
244 val &= ~mask;
245 } while (mask < val);
246
247 return mask;
248 }
249
250 static ram_addr_t qxl_rom_size(void)
251 {
252 uint32_t rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
253 rom_size = MAX(rom_size, TARGET_PAGE_SIZE);
254 rom_size = msb_mask(rom_size * 2 - 1);
255 return rom_size;
256 }
257
258 static void init_qxl_rom(PCIQXLDevice *d)
259 {
260 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar);
261 QXLModes *modes = (QXLModes *)(rom + 1);
262 uint32_t ram_header_size;
263 uint32_t surface0_area_size;
264 uint32_t num_pages;
265 uint32_t fb, maxfb = 0;
266 int i;
267
268 memset(rom, 0, d->rom_size);
269
270 rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
271 rom->id = cpu_to_le32(d->id);
272 rom->log_level = cpu_to_le32(d->guestdebug);
273 rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
274
275 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
276 rom->slot_id_bits = MEMSLOT_SLOT_BITS;
277 rom->slots_start = 1;
278 rom->slots_end = NUM_MEMSLOTS - 1;
279 rom->n_surfaces = cpu_to_le32(NUM_SURFACES);
280
281 modes->n_modes = cpu_to_le32(ARRAY_SIZE(qxl_modes));
282 for (i = 0; i < modes->n_modes; i++) {
283 fb = qxl_modes[i].y_res * qxl_modes[i].stride;
284 if (maxfb < fb) {
285 maxfb = fb;
286 }
287 modes->modes[i].id = cpu_to_le32(i);
288 modes->modes[i].x_res = cpu_to_le32(qxl_modes[i].x_res);
289 modes->modes[i].y_res = cpu_to_le32(qxl_modes[i].y_res);
290 modes->modes[i].bits = cpu_to_le32(qxl_modes[i].bits);
291 modes->modes[i].stride = cpu_to_le32(qxl_modes[i].stride);
292 modes->modes[i].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
293 modes->modes[i].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
294 modes->modes[i].orientation = cpu_to_le32(qxl_modes[i].orientation);
295 }
296 if (maxfb < VGA_RAM_SIZE && d->id == 0)
297 maxfb = VGA_RAM_SIZE;
298
299 ram_header_size = ALIGN(sizeof(QXLRam), 4096);
300 surface0_area_size = ALIGN(maxfb, 4096);
301 num_pages = d->vga.vram_size;
302 num_pages -= ram_header_size;
303 num_pages -= surface0_area_size;
304 num_pages = num_pages / TARGET_PAGE_SIZE;
305
306 rom->draw_area_offset = cpu_to_le32(0);
307 rom->surface0_area_size = cpu_to_le32(surface0_area_size);
308 rom->pages_offset = cpu_to_le32(surface0_area_size);
309 rom->num_pages = cpu_to_le32(num_pages);
310 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
311
312 d->shadow_rom = *rom;
313 d->rom = rom;
314 d->modes = modes;
315 }
316
317 static void init_qxl_ram(PCIQXLDevice *d)
318 {
319 uint8_t *buf;
320 uint64_t *item;
321
322 buf = d->vga.vram_ptr;
323 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
324 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
325 d->ram->int_pending = cpu_to_le32(0);
326 d->ram->int_mask = cpu_to_le32(0);
327 d->ram->update_surface = 0;
328 SPICE_RING_INIT(&d->ram->cmd_ring);
329 SPICE_RING_INIT(&d->ram->cursor_ring);
330 SPICE_RING_INIT(&d->ram->release_ring);
331 SPICE_RING_PROD_ITEM(&d->ram->release_ring, item);
332 *item = 0;
333 qxl_ring_set_dirty(d);
334 }
335
336 /* can be called from spice server thread context */
337 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
338 {
339 memory_region_set_dirty(mr, addr, end - addr);
340 }
341
342 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
343 {
344 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
345 }
346
347 /* called from spice server thread context only */
348 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
349 {
350 void *base = qxl->vga.vram_ptr;
351 intptr_t offset;
352
353 offset = ptr - base;
354 offset &= ~(TARGET_PAGE_SIZE-1);
355 assert(offset < qxl->vga.vram_size);
356 qxl_set_dirty(&qxl->vga.vram, offset, offset + TARGET_PAGE_SIZE);
357 }
358
359 /* can be called from spice server thread context */
360 static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
361 {
362 ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
363 ram_addr_t end = qxl->vga.vram_size;
364 qxl_set_dirty(&qxl->vga.vram, addr, end);
365 }
366
367 /*
368 * keep track of some command state, for savevm/loadvm.
369 * called from spice server thread context only
370 */
371 static void qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext)
372 {
373 switch (le32_to_cpu(ext->cmd.type)) {
374 case QXL_CMD_SURFACE:
375 {
376 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
377 uint32_t id = le32_to_cpu(cmd->surface_id);
378 PANIC_ON(id >= NUM_SURFACES);
379 qemu_mutex_lock(&qxl->track_lock);
380 if (cmd->type == QXL_SURFACE_CMD_CREATE) {
381 qxl->guest_surfaces.cmds[id] = ext->cmd.data;
382 qxl->guest_surfaces.count++;
383 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
384 qxl->guest_surfaces.max = qxl->guest_surfaces.count;
385 }
386 if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
387 qxl->guest_surfaces.cmds[id] = 0;
388 qxl->guest_surfaces.count--;
389 }
390 qemu_mutex_unlock(&qxl->track_lock);
391 break;
392 }
393 case QXL_CMD_CURSOR:
394 {
395 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
396 if (cmd->type == QXL_CURSOR_SET) {
397 qemu_mutex_lock(&qxl->track_lock);
398 qxl->guest_cursor = ext->cmd.data;
399 qemu_mutex_unlock(&qxl->track_lock);
400 }
401 break;
402 }
403 }
404 }
405
406 /* spice display interface callbacks */
407
408 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
409 {
410 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
411
412 dprint(qxl, 1, "%s:\n", __FUNCTION__);
413 qxl->ssd.worker = qxl_worker;
414 }
415
416 static void interface_set_compression_level(QXLInstance *sin, int level)
417 {
418 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
419
420 dprint(qxl, 1, "%s: %d\n", __FUNCTION__, level);
421 qxl->shadow_rom.compression_level = cpu_to_le32(level);
422 qxl->rom->compression_level = cpu_to_le32(level);
423 qxl_rom_set_dirty(qxl);
424 }
425
426 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
427 {
428 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
429
430 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
431 qxl->rom->mm_clock = cpu_to_le32(mm_time);
432 qxl_rom_set_dirty(qxl);
433 }
434
435 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
436 {
437 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
438
439 dprint(qxl, 1, "%s:\n", __FUNCTION__);
440 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
441 info->memslot_id_bits = MEMSLOT_SLOT_BITS;
442 info->num_memslots = NUM_MEMSLOTS;
443 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
444 info->internal_groupslot_id = 0;
445 info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS;
446 info->n_surfaces = NUM_SURFACES;
447 }
448
449 static const char *qxl_mode_to_string(int mode)
450 {
451 switch (mode) {
452 case QXL_MODE_COMPAT:
453 return "compat";
454 case QXL_MODE_NATIVE:
455 return "native";
456 case QXL_MODE_UNDEFINED:
457 return "undefined";
458 case QXL_MODE_VGA:
459 return "vga";
460 }
461 return "INVALID";
462 }
463
464 static const char *io_port_to_string(uint32_t io_port)
465 {
466 if (io_port >= QXL_IO_RANGE_SIZE) {
467 return "out of range";
468 }
469 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
470 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
471 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
472 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
473 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
474 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
475 [QXL_IO_RESET] = "QXL_IO_RESET",
476 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
477 [QXL_IO_LOG] = "QXL_IO_LOG",
478 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
479 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
480 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
481 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
482 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
483 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
484 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
485 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
486 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
487 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
488 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
489 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
490 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
491 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
492 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
493 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
494 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
495 };
496 return io_port_to_string[io_port];
497 }
498
499 /* called from spice server thread context only */
500 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
501 {
502 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
503 SimpleSpiceUpdate *update;
504 QXLCommandRing *ring;
505 QXLCommand *cmd;
506 int notify, ret;
507
508 switch (qxl->mode) {
509 case QXL_MODE_VGA:
510 dprint(qxl, 2, "%s: vga\n", __FUNCTION__);
511 ret = false;
512 qemu_mutex_lock(&qxl->ssd.lock);
513 if (qxl->ssd.update != NULL) {
514 update = qxl->ssd.update;
515 qxl->ssd.update = NULL;
516 *ext = update->ext;
517 ret = true;
518 }
519 qemu_mutex_unlock(&qxl->ssd.lock);
520 if (ret) {
521 dprint(qxl, 2, "%s %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
522 qxl_log_command(qxl, "vga", ext);
523 }
524 return ret;
525 case QXL_MODE_COMPAT:
526 case QXL_MODE_NATIVE:
527 case QXL_MODE_UNDEFINED:
528 dprint(qxl, 4, "%s: %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
529 ring = &qxl->ram->cmd_ring;
530 if (SPICE_RING_IS_EMPTY(ring)) {
531 return false;
532 }
533 dprint(qxl, 2, "%s: %s\n", __FUNCTION__, qxl_mode_to_string(qxl->mode));
534 SPICE_RING_CONS_ITEM(ring, cmd);
535 ext->cmd = *cmd;
536 ext->group_id = MEMSLOT_GROUP_GUEST;
537 ext->flags = qxl->cmdflags;
538 SPICE_RING_POP(ring, notify);
539 qxl_ring_set_dirty(qxl);
540 if (notify) {
541 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
542 }
543 qxl->guest_primary.commands++;
544 qxl_track_command(qxl, ext);
545 qxl_log_command(qxl, "cmd", ext);
546 return true;
547 default:
548 return false;
549 }
550 }
551
552 /* called from spice server thread context only */
553 static int interface_req_cmd_notification(QXLInstance *sin)
554 {
555 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
556 int wait = 1;
557
558 switch (qxl->mode) {
559 case QXL_MODE_COMPAT:
560 case QXL_MODE_NATIVE:
561 case QXL_MODE_UNDEFINED:
562 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
563 qxl_ring_set_dirty(qxl);
564 break;
565 default:
566 /* nothing */
567 break;
568 }
569 return wait;
570 }
571
572 /* called from spice server thread context only */
573 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush)
574 {
575 QXLReleaseRing *ring = &d->ram->release_ring;
576 uint64_t *item;
577 int notify;
578
579 #define QXL_FREE_BUNCH_SIZE 32
580
581 if (ring->prod - ring->cons + 1 == ring->num_items) {
582 /* ring full -- can't push */
583 return;
584 }
585 if (!flush && d->oom_running) {
586 /* collect everything from oom handler before pushing */
587 return;
588 }
589 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
590 /* collect a bit more before pushing */
591 return;
592 }
593
594 SPICE_RING_PUSH(ring, notify);
595 dprint(d, 2, "free: push %d items, notify %s, ring %d/%d [%d,%d]\n",
596 d->num_free_res, notify ? "yes" : "no",
597 ring->prod - ring->cons, ring->num_items,
598 ring->prod, ring->cons);
599 if (notify) {
600 qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
601 }
602 SPICE_RING_PROD_ITEM(ring, item);
603 *item = 0;
604 d->num_free_res = 0;
605 d->last_release = NULL;
606 qxl_ring_set_dirty(d);
607 }
608
609 /* called from spice server thread context only */
610 static void interface_release_resource(QXLInstance *sin,
611 struct QXLReleaseInfoExt ext)
612 {
613 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
614 QXLReleaseRing *ring;
615 uint64_t *item, id;
616
617 if (ext.group_id == MEMSLOT_GROUP_HOST) {
618 /* host group -> vga mode update request */
619 qemu_spice_destroy_update(&qxl->ssd, (void *)(intptr_t)ext.info->id);
620 return;
621 }
622
623 /*
624 * ext->info points into guest-visible memory
625 * pci bar 0, $command.release_info
626 */
627 ring = &qxl->ram->release_ring;
628 SPICE_RING_PROD_ITEM(ring, item);
629 if (*item == 0) {
630 /* stick head into the ring */
631 id = ext.info->id;
632 ext.info->next = 0;
633 qxl_ram_set_dirty(qxl, &ext.info->next);
634 *item = id;
635 qxl_ring_set_dirty(qxl);
636 } else {
637 /* append item to the list */
638 qxl->last_release->next = ext.info->id;
639 qxl_ram_set_dirty(qxl, &qxl->last_release->next);
640 ext.info->next = 0;
641 qxl_ram_set_dirty(qxl, &ext.info->next);
642 }
643 qxl->last_release = ext.info;
644 qxl->num_free_res++;
645 dprint(qxl, 3, "%4d\r", qxl->num_free_res);
646 qxl_push_free_res(qxl, 0);
647 }
648
649 /* called from spice server thread context only */
650 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
651 {
652 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
653 QXLCursorRing *ring;
654 QXLCommand *cmd;
655 int notify;
656
657 switch (qxl->mode) {
658 case QXL_MODE_COMPAT:
659 case QXL_MODE_NATIVE:
660 case QXL_MODE_UNDEFINED:
661 ring = &qxl->ram->cursor_ring;
662 if (SPICE_RING_IS_EMPTY(ring)) {
663 return false;
664 }
665 SPICE_RING_CONS_ITEM(ring, cmd);
666 ext->cmd = *cmd;
667 ext->group_id = MEMSLOT_GROUP_GUEST;
668 ext->flags = qxl->cmdflags;
669 SPICE_RING_POP(ring, notify);
670 qxl_ring_set_dirty(qxl);
671 if (notify) {
672 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
673 }
674 qxl->guest_primary.commands++;
675 qxl_track_command(qxl, ext);
676 qxl_log_command(qxl, "csr", ext);
677 if (qxl->id == 0) {
678 qxl_render_cursor(qxl, ext);
679 }
680 return true;
681 default:
682 return false;
683 }
684 }
685
686 /* called from spice server thread context only */
687 static int interface_req_cursor_notification(QXLInstance *sin)
688 {
689 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
690 int wait = 1;
691
692 switch (qxl->mode) {
693 case QXL_MODE_COMPAT:
694 case QXL_MODE_NATIVE:
695 case QXL_MODE_UNDEFINED:
696 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
697 qxl_ring_set_dirty(qxl);
698 break;
699 default:
700 /* nothing */
701 break;
702 }
703 return wait;
704 }
705
706 /* called from spice server thread context */
707 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
708 {
709 fprintf(stderr, "%s: abort()\n", __FUNCTION__);
710 abort();
711 }
712
713 /* called from spice server thread context only */
714 static int interface_flush_resources(QXLInstance *sin)
715 {
716 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
717 int ret;
718
719 dprint(qxl, 1, "free: guest flush (have %d)\n", qxl->num_free_res);
720 ret = qxl->num_free_res;
721 if (ret) {
722 qxl_push_free_res(qxl, 1);
723 }
724 return ret;
725 }
726
727 static void qxl_create_guest_primary_complete(PCIQXLDevice *d);
728
729 /* called from spice server thread context only */
730 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie)
731 {
732 uint32_t current_async;
733
734 qemu_mutex_lock(&qxl->async_lock);
735 current_async = qxl->current_async;
736 qxl->current_async = QXL_UNDEFINED_IO;
737 qemu_mutex_unlock(&qxl->async_lock);
738
739 dprint(qxl, 2, "async_complete: %d (%p) done\n", current_async, cookie);
740 if (!cookie) {
741 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
742 return;
743 }
744 if (cookie && current_async != cookie->io) {
745 fprintf(stderr,
746 "qxl: %s: error: current_async = %d != %ld = cookie->io\n",
747 __func__, current_async, cookie->io);
748 }
749 switch (current_async) {
750 case QXL_IO_MEMSLOT_ADD_ASYNC:
751 case QXL_IO_DESTROY_PRIMARY_ASYNC:
752 case QXL_IO_UPDATE_AREA_ASYNC:
753 case QXL_IO_FLUSH_SURFACES_ASYNC:
754 break;
755 case QXL_IO_CREATE_PRIMARY_ASYNC:
756 qxl_create_guest_primary_complete(qxl);
757 break;
758 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
759 qxl_spice_destroy_surfaces_complete(qxl);
760 break;
761 case QXL_IO_DESTROY_SURFACE_ASYNC:
762 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
763 break;
764 default:
765 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
766 current_async);
767 }
768 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
769 }
770
771 /* called from spice server thread context only */
772 static void interface_update_area_complete(QXLInstance *sin,
773 uint32_t surface_id,
774 QXLRect *dirty, uint32_t num_updated_rects)
775 {
776 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
777 int i;
778 int qxl_i;
779
780 qemu_mutex_lock(&qxl->ssd.lock);
781 if (surface_id != 0 || !qxl->render_update_cookie_num) {
782 qemu_mutex_unlock(&qxl->ssd.lock);
783 return;
784 }
785 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
786 /*
787 * overflow - treat this as a full update. Not expected to be common.
788 */
789 dprint(qxl, 1, "%s: overflow of dirty rects\n", __func__);
790 qxl->guest_primary.resized = 1;
791 }
792 if (qxl->guest_primary.resized) {
793 /*
794 * Don't bother copying or scheduling the bh since we will flip
795 * the whole area anyway on completion of the update_area async call
796 */
797 qemu_mutex_unlock(&qxl->ssd.lock);
798 return;
799 }
800 qxl_i = qxl->num_dirty_rects;
801 for (i = 0; i < num_updated_rects; i++) {
802 qxl->dirty[qxl_i++] = dirty[i];
803 }
804 qxl->num_dirty_rects += num_updated_rects;
805 dprint(qxl, 1, "%s: scheduling update_area_bh, #dirty %d\n",
806 __func__, qxl->num_dirty_rects);
807 qemu_bh_schedule(qxl->update_area_bh);
808 qemu_mutex_unlock(&qxl->ssd.lock);
809 }
810
811 /* called from spice server thread context only */
812 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
813 {
814 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
815 QXLCookie *cookie = (QXLCookie *)cookie_token;
816
817 switch (cookie->type) {
818 case QXL_COOKIE_TYPE_IO:
819 interface_async_complete_io(qxl, cookie);
820 g_free(cookie);
821 break;
822 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
823 qxl_render_update_area_done(qxl, cookie);
824 break;
825 default:
826 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
827 __func__, cookie->type);
828 g_free(cookie);
829 }
830 }
831
832 static const QXLInterface qxl_interface = {
833 .base.type = SPICE_INTERFACE_QXL,
834 .base.description = "qxl gpu",
835 .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
836 .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
837
838 .attache_worker = interface_attach_worker,
839 .set_compression_level = interface_set_compression_level,
840 .set_mm_time = interface_set_mm_time,
841 .get_init_info = interface_get_init_info,
842
843 /* the callbacks below are called from spice server thread context */
844 .get_command = interface_get_command,
845 .req_cmd_notification = interface_req_cmd_notification,
846 .release_resource = interface_release_resource,
847 .get_cursor_command = interface_get_cursor_command,
848 .req_cursor_notification = interface_req_cursor_notification,
849 .notify_update = interface_notify_update,
850 .flush_resources = interface_flush_resources,
851 .async_complete = interface_async_complete,
852 .update_area_complete = interface_update_area_complete,
853 };
854
855 static void qxl_enter_vga_mode(PCIQXLDevice *d)
856 {
857 if (d->mode == QXL_MODE_VGA) {
858 return;
859 }
860 dprint(d, 1, "%s\n", __FUNCTION__);
861 qemu_spice_create_host_primary(&d->ssd);
862 d->mode = QXL_MODE_VGA;
863 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
864 }
865
866 static void qxl_exit_vga_mode(PCIQXLDevice *d)
867 {
868 if (d->mode != QXL_MODE_VGA) {
869 return;
870 }
871 dprint(d, 1, "%s\n", __FUNCTION__);
872 qxl_destroy_primary(d, QXL_SYNC);
873 }
874
875 static void qxl_update_irq(PCIQXLDevice *d)
876 {
877 uint32_t pending = le32_to_cpu(d->ram->int_pending);
878 uint32_t mask = le32_to_cpu(d->ram->int_mask);
879 int level = !!(pending & mask);
880 qemu_set_irq(d->pci.irq[0], level);
881 qxl_ring_set_dirty(d);
882 }
883
884 static void qxl_check_state(PCIQXLDevice *d)
885 {
886 QXLRam *ram = d->ram;
887
888 assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
889 assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
890 }
891
892 static void qxl_reset_state(PCIQXLDevice *d)
893 {
894 QXLRom *rom = d->rom;
895
896 qxl_check_state(d);
897 d->shadow_rom.update_id = cpu_to_le32(0);
898 *rom = d->shadow_rom;
899 qxl_rom_set_dirty(d);
900 init_qxl_ram(d);
901 d->num_free_res = 0;
902 d->last_release = NULL;
903 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
904 }
905
906 static void qxl_soft_reset(PCIQXLDevice *d)
907 {
908 dprint(d, 1, "%s:\n", __FUNCTION__);
909 qxl_check_state(d);
910
911 if (d->id == 0) {
912 qxl_enter_vga_mode(d);
913 } else {
914 d->mode = QXL_MODE_UNDEFINED;
915 }
916 }
917
918 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
919 {
920 dprint(d, 1, "%s: start%s\n", __FUNCTION__,
921 loadvm ? " (loadvm)" : "");
922
923 qxl_spice_reset_cursor(d);
924 qxl_spice_reset_image_cache(d);
925 qxl_reset_surfaces(d);
926 qxl_reset_memslots(d);
927
928 /* pre loadvm reset must not touch QXLRam. This lives in
929 * device memory, is migrated together with RAM and thus
930 * already loaded at this point */
931 if (!loadvm) {
932 qxl_reset_state(d);
933 }
934 qemu_spice_create_host_memslot(&d->ssd);
935 qxl_soft_reset(d);
936
937 dprint(d, 1, "%s: done\n", __FUNCTION__);
938 }
939
940 static void qxl_reset_handler(DeviceState *dev)
941 {
942 PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
943 qxl_hard_reset(d, 0);
944 }
945
946 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
947 {
948 VGACommonState *vga = opaque;
949 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
950
951 if (qxl->mode != QXL_MODE_VGA) {
952 dprint(qxl, 1, "%s\n", __FUNCTION__);
953 qxl_destroy_primary(qxl, QXL_SYNC);
954 qxl_soft_reset(qxl);
955 }
956 vga_ioport_write(opaque, addr, val);
957 }
958
959 static const MemoryRegionPortio qxl_vga_portio_list[] = {
960 { 0x04, 2, 1, .read = vga_ioport_read,
961 .write = qxl_vga_ioport_write }, /* 3b4 */
962 { 0x0a, 1, 1, .read = vga_ioport_read,
963 .write = qxl_vga_ioport_write }, /* 3ba */
964 { 0x10, 16, 1, .read = vga_ioport_read,
965 .write = qxl_vga_ioport_write }, /* 3c0 */
966 { 0x24, 2, 1, .read = vga_ioport_read,
967 .write = qxl_vga_ioport_write }, /* 3d4 */
968 { 0x2a, 1, 1, .read = vga_ioport_read,
969 .write = qxl_vga_ioport_write }, /* 3da */
970 PORTIO_END_OF_LIST(),
971 };
972
973 static void qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
974 qxl_async_io async)
975 {
976 static const int regions[] = {
977 QXL_RAM_RANGE_INDEX,
978 QXL_VRAM_RANGE_INDEX,
979 QXL_VRAM64_RANGE_INDEX,
980 };
981 uint64_t guest_start;
982 uint64_t guest_end;
983 int pci_region;
984 pcibus_t pci_start;
985 pcibus_t pci_end;
986 intptr_t virt_start;
987 QXLDevMemSlot memslot;
988 int i;
989
990 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
991 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
992
993 dprint(d, 1, "%s: slot %d: guest phys 0x%" PRIx64 " - 0x%" PRIx64 "\n",
994 __FUNCTION__, slot_id,
995 guest_start, guest_end);
996
997 PANIC_ON(slot_id >= NUM_MEMSLOTS);
998 PANIC_ON(guest_start > guest_end);
999
1000 for (i = 0; i < ARRAY_SIZE(regions); i++) {
1001 pci_region = regions[i];
1002 pci_start = d->pci.io_regions[pci_region].addr;
1003 pci_end = pci_start + d->pci.io_regions[pci_region].size;
1004 /* mapped? */
1005 if (pci_start == -1) {
1006 continue;
1007 }
1008 /* start address in range ? */
1009 if (guest_start < pci_start || guest_start > pci_end) {
1010 continue;
1011 }
1012 /* end address in range ? */
1013 if (guest_end > pci_end) {
1014 continue;
1015 }
1016 /* passed */
1017 break;
1018 }
1019 PANIC_ON(i == ARRAY_SIZE(regions)); /* finished loop without match */
1020
1021 switch (pci_region) {
1022 case QXL_RAM_RANGE_INDEX:
1023 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vga.vram);
1024 break;
1025 case QXL_VRAM_RANGE_INDEX:
1026 case 4 /* vram 64bit */:
1027 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vram_bar);
1028 break;
1029 default:
1030 /* should not happen */
1031 abort();
1032 }
1033
1034 memslot.slot_id = slot_id;
1035 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
1036 memslot.virt_start = virt_start + (guest_start - pci_start);
1037 memslot.virt_end = virt_start + (guest_end - pci_start);
1038 memslot.addr_delta = memslot.virt_start - delta;
1039 memslot.generation = d->rom->slot_generation = 0;
1040 qxl_rom_set_dirty(d);
1041
1042 dprint(d, 1, "%s: slot %d: host virt 0x%lx - 0x%lx\n",
1043 __FUNCTION__, memslot.slot_id,
1044 memslot.virt_start, memslot.virt_end);
1045
1046 qemu_spice_add_memslot(&d->ssd, &memslot, async);
1047 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
1048 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
1049 d->guest_slots[slot_id].delta = delta;
1050 d->guest_slots[slot_id].active = 1;
1051 }
1052
1053 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
1054 {
1055 dprint(d, 1, "%s: slot %d\n", __FUNCTION__, slot_id);
1056 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
1057 d->guest_slots[slot_id].active = 0;
1058 }
1059
1060 static void qxl_reset_memslots(PCIQXLDevice *d)
1061 {
1062 dprint(d, 1, "%s:\n", __FUNCTION__);
1063 qxl_spice_reset_memslots(d);
1064 memset(&d->guest_slots, 0, sizeof(d->guest_slots));
1065 }
1066
1067 static void qxl_reset_surfaces(PCIQXLDevice *d)
1068 {
1069 dprint(d, 1, "%s:\n", __FUNCTION__);
1070 d->mode = QXL_MODE_UNDEFINED;
1071 qxl_spice_destroy_surfaces(d, QXL_SYNC);
1072 }
1073
1074 /* can be also called from spice server thread context */
1075 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
1076 {
1077 uint64_t phys = le64_to_cpu(pqxl);
1078 uint32_t slot = (phys >> (64 - 8)) & 0xff;
1079 uint64_t offset = phys & 0xffffffffffff;
1080
1081 switch (group_id) {
1082 case MEMSLOT_GROUP_HOST:
1083 return (void *)(intptr_t)offset;
1084 case MEMSLOT_GROUP_GUEST:
1085 PANIC_ON(slot >= NUM_MEMSLOTS);
1086 PANIC_ON(!qxl->guest_slots[slot].active);
1087 PANIC_ON(offset < qxl->guest_slots[slot].delta);
1088 offset -= qxl->guest_slots[slot].delta;
1089 PANIC_ON(offset > qxl->guest_slots[slot].size)
1090 return qxl->guest_slots[slot].ptr + offset;
1091 default:
1092 PANIC_ON(1);
1093 }
1094 }
1095
1096 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl)
1097 {
1098 /* for local rendering */
1099 qxl_render_resize(qxl);
1100 }
1101
1102 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm,
1103 qxl_async_io async)
1104 {
1105 QXLDevSurfaceCreate surface;
1106 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
1107
1108 assert(qxl->mode != QXL_MODE_NATIVE);
1109 qxl_exit_vga_mode(qxl);
1110
1111 dprint(qxl, 1, "%s: %dx%d\n", __FUNCTION__,
1112 le32_to_cpu(sc->width), le32_to_cpu(sc->height));
1113
1114 surface.format = le32_to_cpu(sc->format);
1115 surface.height = le32_to_cpu(sc->height);
1116 surface.mem = le64_to_cpu(sc->mem);
1117 surface.position = le32_to_cpu(sc->position);
1118 surface.stride = le32_to_cpu(sc->stride);
1119 surface.width = le32_to_cpu(sc->width);
1120 surface.type = le32_to_cpu(sc->type);
1121 surface.flags = le32_to_cpu(sc->flags);
1122
1123 surface.mouse_mode = true;
1124 surface.group_id = MEMSLOT_GROUP_GUEST;
1125 if (loadvm) {
1126 surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
1127 }
1128
1129 qxl->mode = QXL_MODE_NATIVE;
1130 qxl->cmdflags = 0;
1131 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
1132
1133 if (async == QXL_SYNC) {
1134 qxl_create_guest_primary_complete(qxl);
1135 }
1136 }
1137
1138 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
1139 * done (in QXL_SYNC case), 0 otherwise. */
1140 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async)
1141 {
1142 if (d->mode == QXL_MODE_UNDEFINED) {
1143 return 0;
1144 }
1145 dprint(d, 1, "%s\n", __FUNCTION__);
1146 d->mode = QXL_MODE_UNDEFINED;
1147 qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
1148 qxl_spice_reset_cursor(d);
1149 return 1;
1150 }
1151
1152 static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
1153 {
1154 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1155 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
1156 QXLMode *mode = d->modes->modes + modenr;
1157 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
1158 QXLMemSlot slot = {
1159 .mem_start = start,
1160 .mem_end = end
1161 };
1162 QXLSurfaceCreate surface = {
1163 .width = mode->x_res,
1164 .height = mode->y_res,
1165 .stride = -mode->x_res * 4,
1166 .format = SPICE_SURFACE_FMT_32_xRGB,
1167 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
1168 .mouse_mode = true,
1169 .mem = devmem + d->shadow_rom.draw_area_offset,
1170 };
1171
1172 dprint(d, 1, "%s: mode %d [ %d x %d @ %d bpp devmem 0x%" PRIx64 " ]\n",
1173 __func__, modenr, mode->x_res, mode->y_res, mode->bits, devmem);
1174 if (!loadvm) {
1175 qxl_hard_reset(d, 0);
1176 }
1177
1178 d->guest_slots[0].slot = slot;
1179 qxl_add_memslot(d, 0, devmem, QXL_SYNC);
1180
1181 d->guest_primary.surface = surface;
1182 qxl_create_guest_primary(d, 0, QXL_SYNC);
1183
1184 d->mode = QXL_MODE_COMPAT;
1185 d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
1186 #ifdef QXL_COMMAND_FLAG_COMPAT_16BPP /* new in spice 0.6.1 */
1187 if (mode->bits == 16) {
1188 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
1189 }
1190 #endif
1191 d->shadow_rom.mode = cpu_to_le32(modenr);
1192 d->rom->mode = cpu_to_le32(modenr);
1193 qxl_rom_set_dirty(d);
1194 }
1195
1196 static void ioport_write(void *opaque, target_phys_addr_t addr,
1197 uint64_t val, unsigned size)
1198 {
1199 PCIQXLDevice *d = opaque;
1200 uint32_t io_port = addr;
1201 qxl_async_io async = QXL_SYNC;
1202 uint32_t orig_io_port = io_port;
1203
1204 switch (io_port) {
1205 case QXL_IO_RESET:
1206 case QXL_IO_SET_MODE:
1207 case QXL_IO_MEMSLOT_ADD:
1208 case QXL_IO_MEMSLOT_DEL:
1209 case QXL_IO_CREATE_PRIMARY:
1210 case QXL_IO_UPDATE_IRQ:
1211 case QXL_IO_LOG:
1212 case QXL_IO_MEMSLOT_ADD_ASYNC:
1213 case QXL_IO_CREATE_PRIMARY_ASYNC:
1214 break;
1215 default:
1216 if (d->mode != QXL_MODE_VGA) {
1217 break;
1218 }
1219 dprint(d, 1, "%s: unexpected port 0x%x (%s) in vga mode\n",
1220 __func__, io_port, io_port_to_string(io_port));
1221 /* be nice to buggy guest drivers */
1222 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
1223 io_port <= QXL_IO_DESTROY_ALL_SURFACES_ASYNC) {
1224 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1225 }
1226 return;
1227 }
1228
1229 /* we change the io_port to avoid ifdeffery in the main switch */
1230 orig_io_port = io_port;
1231 switch (io_port) {
1232 case QXL_IO_UPDATE_AREA_ASYNC:
1233 io_port = QXL_IO_UPDATE_AREA;
1234 goto async_common;
1235 case QXL_IO_MEMSLOT_ADD_ASYNC:
1236 io_port = QXL_IO_MEMSLOT_ADD;
1237 goto async_common;
1238 case QXL_IO_CREATE_PRIMARY_ASYNC:
1239 io_port = QXL_IO_CREATE_PRIMARY;
1240 goto async_common;
1241 case QXL_IO_DESTROY_PRIMARY_ASYNC:
1242 io_port = QXL_IO_DESTROY_PRIMARY;
1243 goto async_common;
1244 case QXL_IO_DESTROY_SURFACE_ASYNC:
1245 io_port = QXL_IO_DESTROY_SURFACE_WAIT;
1246 goto async_common;
1247 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
1248 io_port = QXL_IO_DESTROY_ALL_SURFACES;
1249 goto async_common;
1250 case QXL_IO_FLUSH_SURFACES_ASYNC:
1251 async_common:
1252 async = QXL_ASYNC;
1253 qemu_mutex_lock(&d->async_lock);
1254 if (d->current_async != QXL_UNDEFINED_IO) {
1255 qxl_guest_bug(d, "%d async started before last (%d) complete",
1256 io_port, d->current_async);
1257 qemu_mutex_unlock(&d->async_lock);
1258 return;
1259 }
1260 d->current_async = orig_io_port;
1261 qemu_mutex_unlock(&d->async_lock);
1262 dprint(d, 2, "start async %d (%"PRId64")\n", io_port, val);
1263 break;
1264 default:
1265 break;
1266 }
1267
1268 switch (io_port) {
1269 case QXL_IO_UPDATE_AREA:
1270 {
1271 QXLCookie *cookie = NULL;
1272 QXLRect update = d->ram->update_area;
1273
1274 if (async == QXL_ASYNC) {
1275 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
1276 QXL_IO_UPDATE_AREA_ASYNC);
1277 cookie->u.area = update;
1278 }
1279 qxl_spice_update_area(d, d->ram->update_surface,
1280 cookie ? &cookie->u.area : &update,
1281 NULL, 0, 0, async, cookie);
1282 break;
1283 }
1284 case QXL_IO_NOTIFY_CMD:
1285 qemu_spice_wakeup(&d->ssd);
1286 break;
1287 case QXL_IO_NOTIFY_CURSOR:
1288 qemu_spice_wakeup(&d->ssd);
1289 break;
1290 case QXL_IO_UPDATE_IRQ:
1291 qxl_update_irq(d);
1292 break;
1293 case QXL_IO_NOTIFY_OOM:
1294 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
1295 break;
1296 }
1297 d->oom_running = 1;
1298 qxl_spice_oom(d);
1299 d->oom_running = 0;
1300 break;
1301 case QXL_IO_SET_MODE:
1302 dprint(d, 1, "QXL_SET_MODE %d\n", (int)val);
1303 qxl_set_mode(d, val, 0);
1304 break;
1305 case QXL_IO_LOG:
1306 if (d->guestdebug) {
1307 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
1308 qemu_get_clock_ns(vm_clock), d->ram->log_buf);
1309 }
1310 break;
1311 case QXL_IO_RESET:
1312 dprint(d, 1, "QXL_IO_RESET\n");
1313 qxl_hard_reset(d, 0);
1314 break;
1315 case QXL_IO_MEMSLOT_ADD:
1316 if (val >= NUM_MEMSLOTS) {
1317 qxl_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
1318 break;
1319 }
1320 if (d->guest_slots[val].active) {
1321 qxl_guest_bug(d, "QXL_IO_MEMSLOT_ADD: memory slot already active");
1322 break;
1323 }
1324 d->guest_slots[val].slot = d->ram->mem_slot;
1325 qxl_add_memslot(d, val, 0, async);
1326 break;
1327 case QXL_IO_MEMSLOT_DEL:
1328 if (val >= NUM_MEMSLOTS) {
1329 qxl_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
1330 break;
1331 }
1332 qxl_del_memslot(d, val);
1333 break;
1334 case QXL_IO_CREATE_PRIMARY:
1335 if (val != 0) {
1336 qxl_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
1337 async);
1338 goto cancel_async;
1339 }
1340 dprint(d, 1, "QXL_IO_CREATE_PRIMARY async=%d\n", async);
1341 d->guest_primary.surface = d->ram->create_surface;
1342 qxl_create_guest_primary(d, 0, async);
1343 break;
1344 case QXL_IO_DESTROY_PRIMARY:
1345 if (val != 0) {
1346 qxl_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
1347 async);
1348 goto cancel_async;
1349 }
1350 dprint(d, 1, "QXL_IO_DESTROY_PRIMARY (async=%d) (%s)\n", async,
1351 qxl_mode_to_string(d->mode));
1352 if (!qxl_destroy_primary(d, async)) {
1353 dprint(d, 1, "QXL_IO_DESTROY_PRIMARY_ASYNC in %s, ignored\n",
1354 qxl_mode_to_string(d->mode));
1355 goto cancel_async;
1356 }
1357 break;
1358 case QXL_IO_DESTROY_SURFACE_WAIT:
1359 if (val >= NUM_SURFACES) {
1360 qxl_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
1361 "%d >= NUM_SURFACES", async, val);
1362 goto cancel_async;
1363 }
1364 qxl_spice_destroy_surface_wait(d, val, async);
1365 break;
1366 case QXL_IO_FLUSH_RELEASE: {
1367 QXLReleaseRing *ring = &d->ram->release_ring;
1368 if (ring->prod - ring->cons + 1 == ring->num_items) {
1369 fprintf(stderr,
1370 "ERROR: no flush, full release ring [p%d,%dc]\n",
1371 ring->prod, ring->cons);
1372 }
1373 qxl_push_free_res(d, 1 /* flush */);
1374 dprint(d, 1, "QXL_IO_FLUSH_RELEASE exit (%s, s#=%d, res#=%d,%p)\n",
1375 qxl_mode_to_string(d->mode), d->guest_surfaces.count,
1376 d->num_free_res, d->last_release);
1377 break;
1378 }
1379 case QXL_IO_FLUSH_SURFACES_ASYNC:
1380 dprint(d, 1, "QXL_IO_FLUSH_SURFACES_ASYNC"
1381 " (%"PRId64") (%s, s#=%d, res#=%d)\n",
1382 val, qxl_mode_to_string(d->mode), d->guest_surfaces.count,
1383 d->num_free_res);
1384 qxl_spice_flush_surfaces_async(d);
1385 break;
1386 case QXL_IO_DESTROY_ALL_SURFACES:
1387 d->mode = QXL_MODE_UNDEFINED;
1388 qxl_spice_destroy_surfaces(d, async);
1389 break;
1390 default:
1391 fprintf(stderr, "%s: ioport=0x%x, abort()\n", __FUNCTION__, io_port);
1392 abort();
1393 }
1394 return;
1395 cancel_async:
1396 if (async) {
1397 qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
1398 qemu_mutex_lock(&d->async_lock);
1399 d->current_async = QXL_UNDEFINED_IO;
1400 qemu_mutex_unlock(&d->async_lock);
1401 }
1402 }
1403
1404 static uint64_t ioport_read(void *opaque, target_phys_addr_t addr,
1405 unsigned size)
1406 {
1407 PCIQXLDevice *d = opaque;
1408
1409 dprint(d, 1, "%s: unexpected\n", __FUNCTION__);
1410 return 0xff;
1411 }
1412
1413 static const MemoryRegionOps qxl_io_ops = {
1414 .read = ioport_read,
1415 .write = ioport_write,
1416 .valid = {
1417 .min_access_size = 1,
1418 .max_access_size = 1,
1419 },
1420 };
1421
1422 static void pipe_read(void *opaque)
1423 {
1424 PCIQXLDevice *d = opaque;
1425 char dummy;
1426 int len;
1427
1428 do {
1429 len = read(d->pipe[0], &dummy, sizeof(dummy));
1430 } while (len == sizeof(dummy));
1431 qxl_update_irq(d);
1432 }
1433
1434 static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
1435 {
1436 uint32_t old_pending;
1437 uint32_t le_events = cpu_to_le32(events);
1438
1439 assert(d->ssd.running);
1440 old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
1441 if ((old_pending & le_events) == le_events) {
1442 return;
1443 }
1444 if (qemu_thread_is_self(&d->main)) {
1445 qxl_update_irq(d);
1446 } else {
1447 if (write(d->pipe[1], d, 1) != 1) {
1448 dprint(d, 1, "%s: write to pipe failed\n", __FUNCTION__);
1449 }
1450 }
1451 }
1452
1453 static void init_pipe_signaling(PCIQXLDevice *d)
1454 {
1455 if (pipe(d->pipe) < 0) {
1456 dprint(d, 1, "%s: pipe creation failed\n", __FUNCTION__);
1457 return;
1458 }
1459 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
1460 fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
1461 fcntl(d->pipe[0], F_SETOWN, getpid());
1462
1463 qemu_thread_get_self(&d->main);
1464 qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
1465 }
1466
1467 /* graphics console */
1468
1469 static void qxl_hw_update(void *opaque)
1470 {
1471 PCIQXLDevice *qxl = opaque;
1472 VGACommonState *vga = &qxl->vga;
1473
1474 switch (qxl->mode) {
1475 case QXL_MODE_VGA:
1476 vga->update(vga);
1477 break;
1478 case QXL_MODE_COMPAT:
1479 case QXL_MODE_NATIVE:
1480 qxl_render_update(qxl);
1481 break;
1482 default:
1483 break;
1484 }
1485 }
1486
1487 static void qxl_hw_invalidate(void *opaque)
1488 {
1489 PCIQXLDevice *qxl = opaque;
1490 VGACommonState *vga = &qxl->vga;
1491
1492 vga->invalidate(vga);
1493 }
1494
1495 static void qxl_hw_screen_dump(void *opaque, const char *filename, bool cswitch)
1496 {
1497 PCIQXLDevice *qxl = opaque;
1498 VGACommonState *vga = &qxl->vga;
1499
1500 switch (qxl->mode) {
1501 case QXL_MODE_COMPAT:
1502 case QXL_MODE_NATIVE:
1503 qxl_render_update(qxl);
1504 ppm_save(filename, qxl->ssd.ds->surface);
1505 break;
1506 case QXL_MODE_VGA:
1507 vga->screen_dump(vga, filename, cswitch);
1508 break;
1509 default:
1510 break;
1511 }
1512 }
1513
1514 static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
1515 {
1516 PCIQXLDevice *qxl = opaque;
1517 VGACommonState *vga = &qxl->vga;
1518
1519 if (qxl->mode == QXL_MODE_VGA) {
1520 vga->text_update(vga, chardata);
1521 return;
1522 }
1523 }
1524
1525 static void qxl_dirty_surfaces(PCIQXLDevice *qxl)
1526 {
1527 intptr_t vram_start;
1528 int i;
1529
1530 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
1531 return;
1532 }
1533
1534 /* dirty the primary surface */
1535 qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset,
1536 qxl->shadow_rom.surface0_area_size);
1537
1538 vram_start = (intptr_t)memory_region_get_ram_ptr(&qxl->vram_bar);
1539
1540 /* dirty the off-screen surfaces */
1541 for (i = 0; i < NUM_SURFACES; i++) {
1542 QXLSurfaceCmd *cmd;
1543 intptr_t surface_offset;
1544 int surface_size;
1545
1546 if (qxl->guest_surfaces.cmds[i] == 0) {
1547 continue;
1548 }
1549
1550 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
1551 MEMSLOT_GROUP_GUEST);
1552 assert(cmd->type == QXL_SURFACE_CMD_CREATE);
1553 surface_offset = (intptr_t)qxl_phys2virt(qxl,
1554 cmd->u.surface_create.data,
1555 MEMSLOT_GROUP_GUEST);
1556 surface_offset -= vram_start;
1557 surface_size = cmd->u.surface_create.height *
1558 abs(cmd->u.surface_create.stride);
1559 dprint(qxl, 3, "%s: dirty surface %d, offset %d, size %d\n", __func__,
1560 i, (int)surface_offset, surface_size);
1561 qxl_set_dirty(&qxl->vram_bar, surface_offset, surface_size);
1562 }
1563 }
1564
1565 static void qxl_vm_change_state_handler(void *opaque, int running,
1566 RunState state)
1567 {
1568 PCIQXLDevice *qxl = opaque;
1569 qemu_spice_vm_change_state_handler(&qxl->ssd, running, state);
1570
1571 if (running) {
1572 /*
1573 * if qxl_send_events was called from spice server context before
1574 * migration ended, qxl_update_irq for these events might not have been
1575 * called
1576 */
1577 qxl_update_irq(qxl);
1578 } else {
1579 /* make sure surfaces are saved before migration */
1580 qxl_dirty_surfaces(qxl);
1581 }
1582 }
1583
1584 /* display change listener */
1585
1586 static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
1587 {
1588 if (qxl0->mode == QXL_MODE_VGA) {
1589 qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
1590 }
1591 }
1592
1593 static void display_resize(struct DisplayState *ds)
1594 {
1595 if (qxl0->mode == QXL_MODE_VGA) {
1596 qemu_spice_display_resize(&qxl0->ssd);
1597 }
1598 }
1599
1600 static void display_refresh(struct DisplayState *ds)
1601 {
1602 if (qxl0->mode == QXL_MODE_VGA) {
1603 qemu_spice_display_refresh(&qxl0->ssd);
1604 } else {
1605 qemu_mutex_lock(&qxl0->ssd.lock);
1606 qemu_spice_cursor_refresh_unlocked(&qxl0->ssd);
1607 qemu_mutex_unlock(&qxl0->ssd.lock);
1608 }
1609 }
1610
1611 static DisplayChangeListener display_listener = {
1612 .dpy_update = display_update,
1613 .dpy_resize = display_resize,
1614 .dpy_refresh = display_refresh,
1615 };
1616
1617 static void qxl_init_ramsize(PCIQXLDevice *qxl, uint32_t ram_min_mb)
1618 {
1619 /* vga ram (bar 0) */
1620 if (qxl->ram_size_mb != -1) {
1621 qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
1622 }
1623 if (qxl->vga.vram_size < ram_min_mb * 1024 * 1024) {
1624 qxl->vga.vram_size = ram_min_mb * 1024 * 1024;
1625 }
1626
1627 /* vram32 (surfaces, 32bit, bar 1) */
1628 if (qxl->vram32_size_mb != -1) {
1629 qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
1630 }
1631 if (qxl->vram32_size < 4096) {
1632 qxl->vram32_size = 4096;
1633 }
1634
1635 /* vram (surfaces, 64bit, bar 4+5) */
1636 if (qxl->vram_size_mb != -1) {
1637 qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
1638 }
1639 if (qxl->vram_size < qxl->vram32_size) {
1640 qxl->vram_size = qxl->vram32_size;
1641 }
1642
1643 if (qxl->revision == 1) {
1644 qxl->vram32_size = 4096;
1645 qxl->vram_size = 4096;
1646 }
1647 qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
1648 qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1);
1649 qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
1650 }
1651
1652 static int qxl_init_common(PCIQXLDevice *qxl)
1653 {
1654 uint8_t* config = qxl->pci.config;
1655 uint32_t pci_device_rev;
1656 uint32_t io_size;
1657
1658 qxl->mode = QXL_MODE_UNDEFINED;
1659 qxl->generation = 1;
1660 qxl->num_memslots = NUM_MEMSLOTS;
1661 qxl->num_surfaces = NUM_SURFACES;
1662 qemu_mutex_init(&qxl->track_lock);
1663 qemu_mutex_init(&qxl->async_lock);
1664 qxl->current_async = QXL_UNDEFINED_IO;
1665
1666 switch (qxl->revision) {
1667 case 1: /* spice 0.4 -- qxl-1 */
1668 pci_device_rev = QXL_REVISION_STABLE_V04;
1669 break;
1670 case 2: /* spice 0.6 -- qxl-2 */
1671 pci_device_rev = QXL_REVISION_STABLE_V06;
1672 break;
1673 case 3: /* qxl-3 */
1674 default:
1675 pci_device_rev = QXL_DEFAULT_REVISION;
1676 break;
1677 }
1678
1679 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
1680 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
1681
1682 qxl->rom_size = qxl_rom_size();
1683 memory_region_init_ram(&qxl->rom_bar, "qxl.vrom", qxl->rom_size);
1684 vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev);
1685 init_qxl_rom(qxl);
1686 init_qxl_ram(qxl);
1687
1688 memory_region_init_ram(&qxl->vram_bar, "qxl.vram", qxl->vram_size);
1689 vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev);
1690 memory_region_init_alias(&qxl->vram32_bar, "qxl.vram32", &qxl->vram_bar,
1691 0, qxl->vram32_size);
1692
1693 io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
1694 if (qxl->revision == 1) {
1695 io_size = 8;
1696 }
1697
1698 memory_region_init_io(&qxl->io_bar, &qxl_io_ops, qxl,
1699 "qxl-ioports", io_size);
1700 if (qxl->id == 0) {
1701 vga_dirty_log_start(&qxl->vga);
1702 }
1703
1704
1705 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX,
1706 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar);
1707
1708 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX,
1709 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar);
1710
1711 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX,
1712 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram);
1713
1714 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX,
1715 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar);
1716
1717 if (qxl->vram32_size < qxl->vram_size) {
1718 /*
1719 * Make the 64bit vram bar show up only in case it is
1720 * configured to be larger than the 32bit vram bar.
1721 */
1722 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX,
1723 PCI_BASE_ADDRESS_SPACE_MEMORY |
1724 PCI_BASE_ADDRESS_MEM_TYPE_64 |
1725 PCI_BASE_ADDRESS_MEM_PREFETCH,
1726 &qxl->vram_bar);
1727 }
1728
1729 /* print pci bar details */
1730 dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
1731 qxl->id == 0 ? "pri" : "sec",
1732 qxl->vga.vram_size / (1024*1024));
1733 dprint(qxl, 1, "vram/32: %d MB [region 1]\n",
1734 qxl->vram32_size / (1024*1024));
1735 dprint(qxl, 1, "vram/64: %d MB %s\n",
1736 qxl->vram_size / (1024*1024),
1737 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
1738
1739 qxl->ssd.qxl.base.sif = &qxl_interface.base;
1740 qxl->ssd.qxl.id = qxl->id;
1741 qemu_spice_add_interface(&qxl->ssd.qxl.base);
1742 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
1743
1744 init_pipe_signaling(qxl);
1745 qxl_reset_state(qxl);
1746
1747 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
1748
1749 return 0;
1750 }
1751
1752 static int qxl_init_primary(PCIDevice *dev)
1753 {
1754 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1755 VGACommonState *vga = &qxl->vga;
1756 PortioList *qxl_vga_port_list = g_new(PortioList, 1);
1757
1758 qxl->id = 0;
1759 qxl_init_ramsize(qxl, 32);
1760 vga_common_init(vga, qxl->vga.vram_size);
1761 vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
1762 portio_list_init(qxl_vga_port_list, qxl_vga_portio_list, vga, "vga");
1763 portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
1764
1765 vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
1766 qxl_hw_screen_dump, qxl_hw_text_update, qxl);
1767 qemu_spice_display_init_common(&qxl->ssd, vga->ds);
1768
1769 qxl0 = qxl;
1770 register_displaychangelistener(vga->ds, &display_listener);
1771
1772 return qxl_init_common(qxl);
1773 }
1774
1775 static int qxl_init_secondary(PCIDevice *dev)
1776 {
1777 static int device_id = 1;
1778 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
1779
1780 qxl->id = device_id++;
1781 qxl_init_ramsize(qxl, 16);
1782 memory_region_init_ram(&qxl->vga.vram, "qxl.vgavram", qxl->vga.vram_size);
1783 vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev);
1784 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
1785
1786 return qxl_init_common(qxl);
1787 }
1788
1789 static void qxl_pre_save(void *opaque)
1790 {
1791 PCIQXLDevice* d = opaque;
1792 uint8_t *ram_start = d->vga.vram_ptr;
1793
1794 dprint(d, 1, "%s:\n", __FUNCTION__);
1795 if (d->last_release == NULL) {
1796 d->last_release_offset = 0;
1797 } else {
1798 d->last_release_offset = (uint8_t *)d->last_release - ram_start;
1799 }
1800 assert(d->last_release_offset < d->vga.vram_size);
1801 }
1802
1803 static int qxl_pre_load(void *opaque)
1804 {
1805 PCIQXLDevice* d = opaque;
1806
1807 dprint(d, 1, "%s: start\n", __FUNCTION__);
1808 qxl_hard_reset(d, 1);
1809 qxl_exit_vga_mode(d);
1810 dprint(d, 1, "%s: done\n", __FUNCTION__);
1811 return 0;
1812 }
1813
1814 static void qxl_create_memslots(PCIQXLDevice *d)
1815 {
1816 int i;
1817
1818 for (i = 0; i < NUM_MEMSLOTS; i++) {
1819 if (!d->guest_slots[i].active) {
1820 continue;
1821 }
1822 dprint(d, 1, "%s: restoring guest slot %d\n", __func__, i);
1823 qxl_add_memslot(d, i, 0, QXL_SYNC);
1824 }
1825 }
1826
1827 static int qxl_post_load(void *opaque, int version)
1828 {
1829 PCIQXLDevice* d = opaque;
1830 uint8_t *ram_start = d->vga.vram_ptr;
1831 QXLCommandExt *cmds;
1832 int in, out, newmode;
1833
1834 dprint(d, 1, "%s: start\n", __FUNCTION__);
1835
1836 assert(d->last_release_offset < d->vga.vram_size);
1837 if (d->last_release_offset == 0) {
1838 d->last_release = NULL;
1839 } else {
1840 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset);
1841 }
1842
1843 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
1844
1845 dprint(d, 1, "%s: restore mode (%s)\n", __FUNCTION__,
1846 qxl_mode_to_string(d->mode));
1847 newmode = d->mode;
1848 d->mode = QXL_MODE_UNDEFINED;
1849
1850 switch (newmode) {
1851 case QXL_MODE_UNDEFINED:
1852 break;
1853 case QXL_MODE_VGA:
1854 qxl_create_memslots(d);
1855 qxl_enter_vga_mode(d);
1856 break;
1857 case QXL_MODE_NATIVE:
1858 qxl_create_memslots(d);
1859 qxl_create_guest_primary(d, 1, QXL_SYNC);
1860
1861 /* replay surface-create and cursor-set commands */
1862 cmds = g_malloc0(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
1863 for (in = 0, out = 0; in < NUM_SURFACES; in++) {
1864 if (d->guest_surfaces.cmds[in] == 0) {
1865 continue;
1866 }
1867 cmds[out].cmd.data = d->guest_surfaces.cmds[in];
1868 cmds[out].cmd.type = QXL_CMD_SURFACE;
1869 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1870 out++;
1871 }
1872 if (d->guest_cursor) {
1873 cmds[out].cmd.data = d->guest_cursor;
1874 cmds[out].cmd.type = QXL_CMD_CURSOR;
1875 cmds[out].group_id = MEMSLOT_GROUP_GUEST;
1876 out++;
1877 }
1878 qxl_spice_loadvm_commands(d, cmds, out);
1879 g_free(cmds);
1880
1881 break;
1882 case QXL_MODE_COMPAT:
1883 /* note: no need to call qxl_create_memslots, qxl_set_mode
1884 * creates the mem slot. */
1885 qxl_set_mode(d, d->shadow_rom.mode, 1);
1886 break;
1887 }
1888 dprint(d, 1, "%s: done\n", __FUNCTION__);
1889
1890 return 0;
1891 }
1892
1893 #define QXL_SAVE_VERSION 21
1894
1895 static VMStateDescription qxl_memslot = {
1896 .name = "qxl-memslot",
1897 .version_id = QXL_SAVE_VERSION,
1898 .minimum_version_id = QXL_SAVE_VERSION,
1899 .fields = (VMStateField[]) {
1900 VMSTATE_UINT64(slot.mem_start, struct guest_slots),
1901 VMSTATE_UINT64(slot.mem_end, struct guest_slots),
1902 VMSTATE_UINT32(active, struct guest_slots),
1903 VMSTATE_END_OF_LIST()
1904 }
1905 };
1906
1907 static VMStateDescription qxl_surface = {
1908 .name = "qxl-surface",
1909 .version_id = QXL_SAVE_VERSION,
1910 .minimum_version_id = QXL_SAVE_VERSION,
1911 .fields = (VMStateField[]) {
1912 VMSTATE_UINT32(width, QXLSurfaceCreate),
1913 VMSTATE_UINT32(height, QXLSurfaceCreate),
1914 VMSTATE_INT32(stride, QXLSurfaceCreate),
1915 VMSTATE_UINT32(format, QXLSurfaceCreate),
1916 VMSTATE_UINT32(position, QXLSurfaceCreate),
1917 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
1918 VMSTATE_UINT32(flags, QXLSurfaceCreate),
1919 VMSTATE_UINT32(type, QXLSurfaceCreate),
1920 VMSTATE_UINT64(mem, QXLSurfaceCreate),
1921 VMSTATE_END_OF_LIST()
1922 }
1923 };
1924
1925 static VMStateDescription qxl_vmstate = {
1926 .name = "qxl",
1927 .version_id = QXL_SAVE_VERSION,
1928 .minimum_version_id = QXL_SAVE_VERSION,
1929 .pre_save = qxl_pre_save,
1930 .pre_load = qxl_pre_load,
1931 .post_load = qxl_post_load,
1932 .fields = (VMStateField []) {
1933 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
1934 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
1935 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice),
1936 VMSTATE_UINT32(num_free_res, PCIQXLDevice),
1937 VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
1938 VMSTATE_UINT32(mode, PCIQXLDevice),
1939 VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
1940 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
1941 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
1942 qxl_memslot, struct guest_slots),
1943 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
1944 qxl_surface, QXLSurfaceCreate),
1945 VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
1946 VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
1947 vmstate_info_uint64, uint64_t),
1948 VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
1949 VMSTATE_END_OF_LIST()
1950 },
1951 };
1952
1953 static Property qxl_properties[] = {
1954 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
1955 64 * 1024 * 1024),
1956 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size,
1957 64 * 1024 * 1024),
1958 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
1959 QXL_DEFAULT_REVISION),
1960 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
1961 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
1962 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
1963 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
1964 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, 0),
1965 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, 0),
1966 DEFINE_PROP_END_OF_LIST(),
1967 };
1968
1969 static void qxl_primary_class_init(ObjectClass *klass, void *data)
1970 {
1971 DeviceClass *dc = DEVICE_CLASS(klass);
1972 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1973
1974 k->no_hotplug = 1;
1975 k->init = qxl_init_primary;
1976 k->romfile = "vgabios-qxl.bin";
1977 k->vendor_id = REDHAT_PCI_VENDOR_ID;
1978 k->device_id = QXL_DEVICE_ID_STABLE;
1979 k->class_id = PCI_CLASS_DISPLAY_VGA;
1980 dc->desc = "Spice QXL GPU (primary, vga compatible)";
1981 dc->reset = qxl_reset_handler;
1982 dc->vmsd = &qxl_vmstate;
1983 dc->props = qxl_properties;
1984 }
1985
1986 static TypeInfo qxl_primary_info = {
1987 .name = "qxl-vga",
1988 .parent = TYPE_PCI_DEVICE,
1989 .instance_size = sizeof(PCIQXLDevice),
1990 .class_init = qxl_primary_class_init,
1991 };
1992
1993 static void qxl_secondary_class_init(ObjectClass *klass, void *data)
1994 {
1995 DeviceClass *dc = DEVICE_CLASS(klass);
1996 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1997
1998 k->init = qxl_init_secondary;
1999 k->vendor_id = REDHAT_PCI_VENDOR_ID;
2000 k->device_id = QXL_DEVICE_ID_STABLE;
2001 k->class_id = PCI_CLASS_DISPLAY_OTHER;
2002 dc->desc = "Spice QXL GPU (secondary)";
2003 dc->reset = qxl_reset_handler;
2004 dc->vmsd = &qxl_vmstate;
2005 dc->props = qxl_properties;
2006 }
2007
2008 static TypeInfo qxl_secondary_info = {
2009 .name = "qxl",
2010 .parent = TYPE_PCI_DEVICE,
2011 .instance_size = sizeof(PCIQXLDevice),
2012 .class_init = qxl_secondary_class_init,
2013 };
2014
2015 static void qxl_register_types(void)
2016 {
2017 type_register_static(&qxl_primary_info);
2018 type_register_static(&qxl_secondary_info);
2019 }
2020
2021 type_init(qxl_register_types)
Qemu with PowerPC KVM improvements