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 <zlib.h> 22 23 #include "qemu-common.h" 24 #include "qemu/timer.h" 25 #include "qemu/queue.h" 26 #include "qemu/atomic.h" 27 #include "monitor/monitor.h" 28 #include "sysemu/sysemu.h" 29 #include "trace.h" 30 31 #include "qxl.h" 32 33 /* 34 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as 35 * such can be changed by the guest, so to avoid a guest trigerrable 36 * abort we just qxl_set_guest_bug and set the return to NULL. Still 37 * it may happen as a result of emulator bug as well. 38 */ 39 #undef SPICE_RING_PROD_ITEM 40 #define SPICE_RING_PROD_ITEM(qxl, r, ret) { \ 41 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \ 42 if (prod >= ARRAY_SIZE((r)->items)) { \ 43 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \ 44 "%u >= %zu", prod, ARRAY_SIZE((r)->items)); \ 45 ret = NULL; \ 46 } else { \ 47 ret = &(r)->items[prod].el; \ 48 } \ 49 } 50 51 #undef SPICE_RING_CONS_ITEM 52 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \ 53 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \ 54 if (cons >= ARRAY_SIZE((r)->items)) { \ 55 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \ 56 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \ 57 ret = NULL; \ 58 } else { \ 59 ret = &(r)->items[cons].el; \ 60 } \ 61 } 62 63 #undef ALIGN 64 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) 65 66 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" 67 68 #define QXL_MODE(_x, _y, _b, _o) \ 69 { .x_res = _x, \ 70 .y_res = _y, \ 71 .bits = _b, \ 72 .stride = (_x) * (_b) / 8, \ 73 .x_mili = PIXEL_SIZE * (_x), \ 74 .y_mili = PIXEL_SIZE * (_y), \ 75 .orientation = _o, \ 76 } 77 78 #define QXL_MODE_16_32(x_res, y_res, orientation) \ 79 QXL_MODE(x_res, y_res, 16, orientation), \ 80 QXL_MODE(x_res, y_res, 32, orientation) 81 82 #define QXL_MODE_EX(x_res, y_res) \ 83 QXL_MODE_16_32(x_res, y_res, 0), \ 84 QXL_MODE_16_32(x_res, y_res, 1) 85 86 static QXLMode qxl_modes[] = { 87 QXL_MODE_EX(640, 480), 88 QXL_MODE_EX(800, 480), 89 QXL_MODE_EX(800, 600), 90 QXL_MODE_EX(832, 624), 91 QXL_MODE_EX(960, 640), 92 QXL_MODE_EX(1024, 600), 93 QXL_MODE_EX(1024, 768), 94 QXL_MODE_EX(1152, 864), 95 QXL_MODE_EX(1152, 870), 96 QXL_MODE_EX(1280, 720), 97 QXL_MODE_EX(1280, 760), 98 QXL_MODE_EX(1280, 768), 99 QXL_MODE_EX(1280, 800), 100 QXL_MODE_EX(1280, 960), 101 QXL_MODE_EX(1280, 1024), 102 QXL_MODE_EX(1360, 768), 103 QXL_MODE_EX(1366, 768), 104 QXL_MODE_EX(1400, 1050), 105 QXL_MODE_EX(1440, 900), 106 QXL_MODE_EX(1600, 900), 107 QXL_MODE_EX(1600, 1200), 108 QXL_MODE_EX(1680, 1050), 109 QXL_MODE_EX(1920, 1080), 110 /* these modes need more than 8 MB video memory */ 111 QXL_MODE_EX(1920, 1200), 112 QXL_MODE_EX(1920, 1440), 113 QXL_MODE_EX(2000, 2000), 114 QXL_MODE_EX(2048, 1536), 115 QXL_MODE_EX(2048, 2048), 116 QXL_MODE_EX(2560, 1440), 117 QXL_MODE_EX(2560, 1600), 118 /* these modes need more than 16 MB video memory */ 119 QXL_MODE_EX(2560, 2048), 120 QXL_MODE_EX(2800, 2100), 121 QXL_MODE_EX(3200, 2400), 122 QXL_MODE_EX(3840, 2160), /* 4k mainstream */ 123 QXL_MODE_EX(4096, 2160), /* 4k */ 124 QXL_MODE_EX(7680, 4320), /* 8k mainstream */ 125 QXL_MODE_EX(8192, 4320), /* 8k */ 126 }; 127 128 static void qxl_send_events(PCIQXLDevice *d, uint32_t events); 129 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async); 130 static void qxl_reset_memslots(PCIQXLDevice *d); 131 static void qxl_reset_surfaces(PCIQXLDevice *d); 132 static void qxl_ring_set_dirty(PCIQXLDevice *qxl); 133 134 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...) 135 { 136 trace_qxl_set_guest_bug(qxl->id); 137 qxl_send_events(qxl, QXL_INTERRUPT_ERROR); 138 qxl->guest_bug = 1; 139 if (qxl->guestdebug) { 140 va_list ap; 141 va_start(ap, msg); 142 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id); 143 vfprintf(stderr, msg, ap); 144 fprintf(stderr, "\n"); 145 va_end(ap); 146 } 147 } 148 149 static void qxl_clear_guest_bug(PCIQXLDevice *qxl) 150 { 151 qxl->guest_bug = 0; 152 } 153 154 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id, 155 struct QXLRect *area, struct QXLRect *dirty_rects, 156 uint32_t num_dirty_rects, 157 uint32_t clear_dirty_region, 158 qxl_async_io async, struct QXLCookie *cookie) 159 { 160 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right, 161 area->top, area->bottom); 162 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects, 163 clear_dirty_region); 164 if (async == QXL_SYNC) { 165 qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area, 166 dirty_rects, num_dirty_rects, clear_dirty_region); 167 } else { 168 assert(cookie != NULL); 169 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area, 170 clear_dirty_region, (uintptr_t)cookie); 171 } 172 } 173 174 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl, 175 uint32_t id) 176 { 177 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id); 178 qemu_mutex_lock(&qxl->track_lock); 179 qxl->guest_surfaces.cmds[id] = 0; 180 qxl->guest_surfaces.count--; 181 qemu_mutex_unlock(&qxl->track_lock); 182 } 183 184 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id, 185 qxl_async_io async) 186 { 187 QXLCookie *cookie; 188 189 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async); 190 if (async) { 191 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 192 QXL_IO_DESTROY_SURFACE_ASYNC); 193 cookie->u.surface_id = id; 194 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie); 195 } else { 196 qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id); 197 qxl_spice_destroy_surface_wait_complete(qxl, id); 198 } 199 } 200 201 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl) 202 { 203 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count, 204 qxl->num_free_res); 205 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl, 206 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 207 QXL_IO_FLUSH_SURFACES_ASYNC)); 208 } 209 210 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext, 211 uint32_t count) 212 { 213 trace_qxl_spice_loadvm_commands(qxl->id, ext, count); 214 qxl->ssd.worker->loadvm_commands(qxl->ssd.worker, ext, count); 215 } 216 217 void qxl_spice_oom(PCIQXLDevice *qxl) 218 { 219 trace_qxl_spice_oom(qxl->id); 220 qxl->ssd.worker->oom(qxl->ssd.worker); 221 } 222 223 void qxl_spice_reset_memslots(PCIQXLDevice *qxl) 224 { 225 trace_qxl_spice_reset_memslots(qxl->id); 226 qxl->ssd.worker->reset_memslots(qxl->ssd.worker); 227 } 228 229 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl) 230 { 231 trace_qxl_spice_destroy_surfaces_complete(qxl->id); 232 qemu_mutex_lock(&qxl->track_lock); 233 memset(qxl->guest_surfaces.cmds, 0, 234 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces); 235 qxl->guest_surfaces.count = 0; 236 qemu_mutex_unlock(&qxl->track_lock); 237 } 238 239 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async) 240 { 241 trace_qxl_spice_destroy_surfaces(qxl->id, async); 242 if (async) { 243 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl, 244 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 245 QXL_IO_DESTROY_ALL_SURFACES_ASYNC)); 246 } else { 247 qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker); 248 qxl_spice_destroy_surfaces_complete(qxl); 249 } 250 } 251 252 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay) 253 { 254 trace_qxl_spice_monitors_config(qxl->id); 255 if (replay) { 256 /* 257 * don't use QXL_COOKIE_TYPE_IO: 258 * - we are not running yet (post_load), we will assert 259 * in send_events 260 * - this is not a guest io, but a reply, so async_io isn't set. 261 */ 262 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 263 qxl->guest_monitors_config, 264 MEMSLOT_GROUP_GUEST, 265 (uintptr_t)qxl_cookie_new( 266 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 267 0)); 268 } else { 269 qxl->guest_monitors_config = qxl->ram->monitors_config; 270 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 271 qxl->ram->monitors_config, 272 MEMSLOT_GROUP_GUEST, 273 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 274 QXL_IO_MONITORS_CONFIG_ASYNC)); 275 } 276 } 277 278 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl) 279 { 280 trace_qxl_spice_reset_image_cache(qxl->id); 281 qxl->ssd.worker->reset_image_cache(qxl->ssd.worker); 282 } 283 284 void qxl_spice_reset_cursor(PCIQXLDevice *qxl) 285 { 286 trace_qxl_spice_reset_cursor(qxl->id); 287 qxl->ssd.worker->reset_cursor(qxl->ssd.worker); 288 qemu_mutex_lock(&qxl->track_lock); 289 qxl->guest_cursor = 0; 290 qemu_mutex_unlock(&qxl->track_lock); 291 if (qxl->ssd.cursor) { 292 cursor_put(qxl->ssd.cursor); 293 } 294 qxl->ssd.cursor = cursor_builtin_hidden(); 295 } 296 297 298 static inline uint32_t msb_mask(uint32_t val) 299 { 300 uint32_t mask; 301 302 do { 303 mask = ~(val - 1) & val; 304 val &= ~mask; 305 } while (mask < val); 306 307 return mask; 308 } 309 310 static ram_addr_t qxl_rom_size(void) 311 { 312 uint32_t required_rom_size = sizeof(QXLRom) + sizeof(QXLModes) + 313 sizeof(qxl_modes); 314 uint32_t rom_size = 8192; /* two pages */ 315 316 required_rom_size = MAX(required_rom_size, TARGET_PAGE_SIZE); 317 required_rom_size = msb_mask(required_rom_size * 2 - 1); 318 assert(required_rom_size <= rom_size); 319 return rom_size; 320 } 321 322 static void init_qxl_rom(PCIQXLDevice *d) 323 { 324 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); 325 QXLModes *modes = (QXLModes *)(rom + 1); 326 uint32_t ram_header_size; 327 uint32_t surface0_area_size; 328 uint32_t num_pages; 329 uint32_t fb; 330 int i, n; 331 332 memset(rom, 0, d->rom_size); 333 334 rom->magic = cpu_to_le32(QXL_ROM_MAGIC); 335 rom->id = cpu_to_le32(d->id); 336 rom->log_level = cpu_to_le32(d->guestdebug); 337 rom->modes_offset = cpu_to_le32(sizeof(QXLRom)); 338 339 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; 340 rom->slot_id_bits = MEMSLOT_SLOT_BITS; 341 rom->slots_start = 1; 342 rom->slots_end = NUM_MEMSLOTS - 1; 343 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); 344 345 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { 346 fb = qxl_modes[i].y_res * qxl_modes[i].stride; 347 if (fb > d->vgamem_size) { 348 continue; 349 } 350 modes->modes[n].id = cpu_to_le32(i); 351 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); 352 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); 353 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); 354 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); 355 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); 356 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); 357 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); 358 n++; 359 } 360 modes->n_modes = cpu_to_le32(n); 361 362 ram_header_size = ALIGN(sizeof(QXLRam), 4096); 363 surface0_area_size = ALIGN(d->vgamem_size, 4096); 364 num_pages = d->vga.vram_size; 365 num_pages -= ram_header_size; 366 num_pages -= surface0_area_size; 367 num_pages = num_pages / TARGET_PAGE_SIZE; 368 369 rom->draw_area_offset = cpu_to_le32(0); 370 rom->surface0_area_size = cpu_to_le32(surface0_area_size); 371 rom->pages_offset = cpu_to_le32(surface0_area_size); 372 rom->num_pages = cpu_to_le32(num_pages); 373 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); 374 375 d->shadow_rom = *rom; 376 d->rom = rom; 377 d->modes = modes; 378 } 379 380 static void init_qxl_ram(PCIQXLDevice *d) 381 { 382 uint8_t *buf; 383 uint64_t *item; 384 385 buf = d->vga.vram_ptr; 386 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); 387 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); 388 d->ram->int_pending = cpu_to_le32(0); 389 d->ram->int_mask = cpu_to_le32(0); 390 d->ram->update_surface = 0; 391 d->ram->monitors_config = 0; 392 SPICE_RING_INIT(&d->ram->cmd_ring); 393 SPICE_RING_INIT(&d->ram->cursor_ring); 394 SPICE_RING_INIT(&d->ram->release_ring); 395 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item); 396 assert(item); 397 *item = 0; 398 qxl_ring_set_dirty(d); 399 } 400 401 /* can be called from spice server thread context */ 402 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) 403 { 404 memory_region_set_dirty(mr, addr, end - addr); 405 } 406 407 static void qxl_rom_set_dirty(PCIQXLDevice *qxl) 408 { 409 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size); 410 } 411 412 /* called from spice server thread context only */ 413 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) 414 { 415 void *base = qxl->vga.vram_ptr; 416 intptr_t offset; 417 418 offset = ptr - base; 419 offset &= ~(TARGET_PAGE_SIZE-1); 420 assert(offset < qxl->vga.vram_size); 421 qxl_set_dirty(&qxl->vga.vram, offset, offset + TARGET_PAGE_SIZE); 422 } 423 424 /* can be called from spice server thread context */ 425 static void qxl_ring_set_dirty(PCIQXLDevice *qxl) 426 { 427 ram_addr_t addr = qxl->shadow_rom.ram_header_offset; 428 ram_addr_t end = qxl->vga.vram_size; 429 qxl_set_dirty(&qxl->vga.vram, addr, end); 430 } 431 432 /* 433 * keep track of some command state, for savevm/loadvm. 434 * called from spice server thread context only 435 */ 436 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) 437 { 438 switch (le32_to_cpu(ext->cmd.type)) { 439 case QXL_CMD_SURFACE: 440 { 441 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 442 443 if (!cmd) { 444 return 1; 445 } 446 uint32_t id = le32_to_cpu(cmd->surface_id); 447 448 if (id >= qxl->ssd.num_surfaces) { 449 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id, 450 qxl->ssd.num_surfaces); 451 return 1; 452 } 453 if (cmd->type == QXL_SURFACE_CMD_CREATE && 454 (cmd->u.surface_create.stride & 0x03) != 0) { 455 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n", 456 cmd->u.surface_create.stride); 457 return 1; 458 } 459 qemu_mutex_lock(&qxl->track_lock); 460 if (cmd->type == QXL_SURFACE_CMD_CREATE) { 461 qxl->guest_surfaces.cmds[id] = ext->cmd.data; 462 qxl->guest_surfaces.count++; 463 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) 464 qxl->guest_surfaces.max = qxl->guest_surfaces.count; 465 } 466 if (cmd->type == QXL_SURFACE_CMD_DESTROY) { 467 qxl->guest_surfaces.cmds[id] = 0; 468 qxl->guest_surfaces.count--; 469 } 470 qemu_mutex_unlock(&qxl->track_lock); 471 break; 472 } 473 case QXL_CMD_CURSOR: 474 { 475 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 476 477 if (!cmd) { 478 return 1; 479 } 480 if (cmd->type == QXL_CURSOR_SET) { 481 qemu_mutex_lock(&qxl->track_lock); 482 qxl->guest_cursor = ext->cmd.data; 483 qemu_mutex_unlock(&qxl->track_lock); 484 } 485 break; 486 } 487 } 488 return 0; 489 } 490 491 /* spice display interface callbacks */ 492 493 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) 494 { 495 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 496 497 trace_qxl_interface_attach_worker(qxl->id); 498 qxl->ssd.worker = qxl_worker; 499 } 500 501 static void interface_set_compression_level(QXLInstance *sin, int level) 502 { 503 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 504 505 trace_qxl_interface_set_compression_level(qxl->id, level); 506 qxl->shadow_rom.compression_level = cpu_to_le32(level); 507 qxl->rom->compression_level = cpu_to_le32(level); 508 qxl_rom_set_dirty(qxl); 509 } 510 511 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) 512 { 513 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 514 515 trace_qxl_interface_set_mm_time(qxl->id, mm_time); 516 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time); 517 qxl->rom->mm_clock = cpu_to_le32(mm_time); 518 qxl_rom_set_dirty(qxl); 519 } 520 521 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) 522 { 523 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 524 525 trace_qxl_interface_get_init_info(qxl->id); 526 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; 527 info->memslot_id_bits = MEMSLOT_SLOT_BITS; 528 info->num_memslots = NUM_MEMSLOTS; 529 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; 530 info->internal_groupslot_id = 0; 531 info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS; 532 info->n_surfaces = qxl->ssd.num_surfaces; 533 } 534 535 static const char *qxl_mode_to_string(int mode) 536 { 537 switch (mode) { 538 case QXL_MODE_COMPAT: 539 return "compat"; 540 case QXL_MODE_NATIVE: 541 return "native"; 542 case QXL_MODE_UNDEFINED: 543 return "undefined"; 544 case QXL_MODE_VGA: 545 return "vga"; 546 } 547 return "INVALID"; 548 } 549 550 static const char *io_port_to_string(uint32_t io_port) 551 { 552 if (io_port >= QXL_IO_RANGE_SIZE) { 553 return "out of range"; 554 } 555 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { 556 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD", 557 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR", 558 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA", 559 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ", 560 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM", 561 [QXL_IO_RESET] = "QXL_IO_RESET", 562 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE", 563 [QXL_IO_LOG] = "QXL_IO_LOG", 564 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD", 565 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL", 566 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY", 567 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY", 568 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY", 569 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY", 570 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT", 571 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES", 572 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC", 573 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC", 574 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC", 575 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC", 576 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC", 577 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC] 578 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC", 579 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC", 580 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE", 581 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC", 582 }; 583 return io_port_to_string[io_port]; 584 } 585 586 /* called from spice server thread context only */ 587 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) 588 { 589 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 590 SimpleSpiceUpdate *update; 591 QXLCommandRing *ring; 592 QXLCommand *cmd; 593 int notify, ret; 594 595 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); 596 597 switch (qxl->mode) { 598 case QXL_MODE_VGA: 599 ret = false; 600 qemu_mutex_lock(&qxl->ssd.lock); 601 update = QTAILQ_FIRST(&qxl->ssd.updates); 602 if (update != NULL) { 603 QTAILQ_REMOVE(&qxl->ssd.updates, update, next); 604 *ext = update->ext; 605 ret = true; 606 } 607 qemu_mutex_unlock(&qxl->ssd.lock); 608 if (ret) { 609 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 610 qxl_log_command(qxl, "vga", ext); 611 } 612 return ret; 613 case QXL_MODE_COMPAT: 614 case QXL_MODE_NATIVE: 615 case QXL_MODE_UNDEFINED: 616 ring = &qxl->ram->cmd_ring; 617 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) { 618 return false; 619 } 620 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 621 if (!cmd) { 622 return false; 623 } 624 ext->cmd = *cmd; 625 ext->group_id = MEMSLOT_GROUP_GUEST; 626 ext->flags = qxl->cmdflags; 627 SPICE_RING_POP(ring, notify); 628 qxl_ring_set_dirty(qxl); 629 if (notify) { 630 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); 631 } 632 qxl->guest_primary.commands++; 633 qxl_track_command(qxl, ext); 634 qxl_log_command(qxl, "cmd", ext); 635 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 636 return true; 637 default: 638 return false; 639 } 640 } 641 642 /* called from spice server thread context only */ 643 static int interface_req_cmd_notification(QXLInstance *sin) 644 { 645 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 646 int wait = 1; 647 648 trace_qxl_ring_command_req_notification(qxl->id); 649 switch (qxl->mode) { 650 case QXL_MODE_COMPAT: 651 case QXL_MODE_NATIVE: 652 case QXL_MODE_UNDEFINED: 653 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); 654 qxl_ring_set_dirty(qxl); 655 break; 656 default: 657 /* nothing */ 658 break; 659 } 660 return wait; 661 } 662 663 /* called from spice server thread context only */ 664 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) 665 { 666 QXLReleaseRing *ring = &d->ram->release_ring; 667 uint64_t *item; 668 int notify; 669 670 #define QXL_FREE_BUNCH_SIZE 32 671 672 if (ring->prod - ring->cons + 1 == ring->num_items) { 673 /* ring full -- can't push */ 674 return; 675 } 676 if (!flush && d->oom_running) { 677 /* collect everything from oom handler before pushing */ 678 return; 679 } 680 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) { 681 /* collect a bit more before pushing */ 682 return; 683 } 684 685 SPICE_RING_PUSH(ring, notify); 686 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), 687 d->guest_surfaces.count, d->num_free_res, 688 d->last_release, notify ? "yes" : "no"); 689 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, 690 ring->num_items, ring->prod, ring->cons); 691 if (notify) { 692 qxl_send_events(d, QXL_INTERRUPT_DISPLAY); 693 } 694 SPICE_RING_PROD_ITEM(d, ring, item); 695 if (!item) { 696 return; 697 } 698 *item = 0; 699 d->num_free_res = 0; 700 d->last_release = NULL; 701 qxl_ring_set_dirty(d); 702 } 703 704 /* called from spice server thread context only */ 705 static void interface_release_resource(QXLInstance *sin, 706 struct QXLReleaseInfoExt ext) 707 { 708 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 709 QXLReleaseRing *ring; 710 uint64_t *item, id; 711 712 if (ext.group_id == MEMSLOT_GROUP_HOST) { 713 /* host group -> vga mode update request */ 714 qemu_spice_destroy_update(&qxl->ssd, (void *)(intptr_t)ext.info->id); 715 return; 716 } 717 718 /* 719 * ext->info points into guest-visible memory 720 * pci bar 0, $command.release_info 721 */ 722 ring = &qxl->ram->release_ring; 723 SPICE_RING_PROD_ITEM(qxl, ring, item); 724 if (!item) { 725 return; 726 } 727 if (*item == 0) { 728 /* stick head into the ring */ 729 id = ext.info->id; 730 ext.info->next = 0; 731 qxl_ram_set_dirty(qxl, &ext.info->next); 732 *item = id; 733 qxl_ring_set_dirty(qxl); 734 } else { 735 /* append item to the list */ 736 qxl->last_release->next = ext.info->id; 737 qxl_ram_set_dirty(qxl, &qxl->last_release->next); 738 ext.info->next = 0; 739 qxl_ram_set_dirty(qxl, &ext.info->next); 740 } 741 qxl->last_release = ext.info; 742 qxl->num_free_res++; 743 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); 744 qxl_push_free_res(qxl, 0); 745 } 746 747 /* called from spice server thread context only */ 748 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) 749 { 750 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 751 QXLCursorRing *ring; 752 QXLCommand *cmd; 753 int notify; 754 755 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); 756 757 switch (qxl->mode) { 758 case QXL_MODE_COMPAT: 759 case QXL_MODE_NATIVE: 760 case QXL_MODE_UNDEFINED: 761 ring = &qxl->ram->cursor_ring; 762 if (SPICE_RING_IS_EMPTY(ring)) { 763 return false; 764 } 765 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 766 if (!cmd) { 767 return false; 768 } 769 ext->cmd = *cmd; 770 ext->group_id = MEMSLOT_GROUP_GUEST; 771 ext->flags = qxl->cmdflags; 772 SPICE_RING_POP(ring, notify); 773 qxl_ring_set_dirty(qxl); 774 if (notify) { 775 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); 776 } 777 qxl->guest_primary.commands++; 778 qxl_track_command(qxl, ext); 779 qxl_log_command(qxl, "csr", ext); 780 if (qxl->id == 0) { 781 qxl_render_cursor(qxl, ext); 782 } 783 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); 784 return true; 785 default: 786 return false; 787 } 788 } 789 790 /* called from spice server thread context only */ 791 static int interface_req_cursor_notification(QXLInstance *sin) 792 { 793 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 794 int wait = 1; 795 796 trace_qxl_ring_cursor_req_notification(qxl->id); 797 switch (qxl->mode) { 798 case QXL_MODE_COMPAT: 799 case QXL_MODE_NATIVE: 800 case QXL_MODE_UNDEFINED: 801 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); 802 qxl_ring_set_dirty(qxl); 803 break; 804 default: 805 /* nothing */ 806 break; 807 } 808 return wait; 809 } 810 811 /* called from spice server thread context */ 812 static void interface_notify_update(QXLInstance *sin, uint32_t update_id) 813 { 814 /* 815 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in 816 * use by xf86-video-qxl and is defined out in the qxl windows driver. 817 * Probably was at some earlier version that is prior to git start (2009), 818 * and is still guest trigerrable. 819 */ 820 fprintf(stderr, "%s: deprecated\n", __func__); 821 } 822 823 /* called from spice server thread context only */ 824 static int interface_flush_resources(QXLInstance *sin) 825 { 826 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 827 int ret; 828 829 ret = qxl->num_free_res; 830 if (ret) { 831 qxl_push_free_res(qxl, 1); 832 } 833 return ret; 834 } 835 836 static void qxl_create_guest_primary_complete(PCIQXLDevice *d); 837 838 /* called from spice server thread context only */ 839 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) 840 { 841 uint32_t current_async; 842 843 qemu_mutex_lock(&qxl->async_lock); 844 current_async = qxl->current_async; 845 qxl->current_async = QXL_UNDEFINED_IO; 846 qemu_mutex_unlock(&qxl->async_lock); 847 848 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); 849 if (!cookie) { 850 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__); 851 return; 852 } 853 if (cookie && current_async != cookie->io) { 854 fprintf(stderr, 855 "qxl: %s: error: current_async = %d != %" 856 PRId64 " = cookie->io\n", __func__, current_async, cookie->io); 857 } 858 switch (current_async) { 859 case QXL_IO_MEMSLOT_ADD_ASYNC: 860 case QXL_IO_DESTROY_PRIMARY_ASYNC: 861 case QXL_IO_UPDATE_AREA_ASYNC: 862 case QXL_IO_FLUSH_SURFACES_ASYNC: 863 case QXL_IO_MONITORS_CONFIG_ASYNC: 864 break; 865 case QXL_IO_CREATE_PRIMARY_ASYNC: 866 qxl_create_guest_primary_complete(qxl); 867 break; 868 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 869 qxl_spice_destroy_surfaces_complete(qxl); 870 break; 871 case QXL_IO_DESTROY_SURFACE_ASYNC: 872 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); 873 break; 874 default: 875 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__, 876 current_async); 877 } 878 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); 879 } 880 881 /* called from spice server thread context only */ 882 static void interface_update_area_complete(QXLInstance *sin, 883 uint32_t surface_id, 884 QXLRect *dirty, uint32_t num_updated_rects) 885 { 886 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 887 int i; 888 int qxl_i; 889 890 qemu_mutex_lock(&qxl->ssd.lock); 891 if (surface_id != 0 || !qxl->render_update_cookie_num) { 892 qemu_mutex_unlock(&qxl->ssd.lock); 893 return; 894 } 895 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, 896 dirty->right, dirty->top, dirty->bottom); 897 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); 898 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) { 899 /* 900 * overflow - treat this as a full update. Not expected to be common. 901 */ 902 trace_qxl_interface_update_area_complete_overflow(qxl->id, 903 QXL_NUM_DIRTY_RECTS); 904 qxl->guest_primary.resized = 1; 905 } 906 if (qxl->guest_primary.resized) { 907 /* 908 * Don't bother copying or scheduling the bh since we will flip 909 * the whole area anyway on completion of the update_area async call 910 */ 911 qemu_mutex_unlock(&qxl->ssd.lock); 912 return; 913 } 914 qxl_i = qxl->num_dirty_rects; 915 for (i = 0; i < num_updated_rects; i++) { 916 qxl->dirty[qxl_i++] = dirty[i]; 917 } 918 qxl->num_dirty_rects += num_updated_rects; 919 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, 920 qxl->num_dirty_rects); 921 qemu_bh_schedule(qxl->update_area_bh); 922 qemu_mutex_unlock(&qxl->ssd.lock); 923 } 924 925 /* called from spice server thread context only */ 926 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) 927 { 928 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 929 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; 930 931 switch (cookie->type) { 932 case QXL_COOKIE_TYPE_IO: 933 interface_async_complete_io(qxl, cookie); 934 g_free(cookie); 935 break; 936 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA: 937 qxl_render_update_area_done(qxl, cookie); 938 break; 939 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG: 940 break; 941 default: 942 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n", 943 __func__, cookie->type); 944 g_free(cookie); 945 } 946 } 947 948 /* called from spice server thread context only */ 949 static void interface_set_client_capabilities(QXLInstance *sin, 950 uint8_t client_present, 951 uint8_t caps[58]) 952 { 953 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 954 955 if (qxl->revision < 4) { 956 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, 957 qxl->revision); 958 return; 959 } 960 961 if (runstate_check(RUN_STATE_INMIGRATE) || 962 runstate_check(RUN_STATE_POSTMIGRATE)) { 963 return; 964 } 965 966 qxl->shadow_rom.client_present = client_present; 967 memcpy(qxl->shadow_rom.client_capabilities, caps, 968 sizeof(qxl->shadow_rom.client_capabilities)); 969 qxl->rom->client_present = client_present; 970 memcpy(qxl->rom->client_capabilities, caps, 971 sizeof(qxl->rom->client_capabilities)); 972 qxl_rom_set_dirty(qxl); 973 974 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); 975 } 976 977 static uint32_t qxl_crc32(const uint8_t *p, unsigned len) 978 { 979 /* 980 * zlib xors the seed with 0xffffffff, and xors the result 981 * again with 0xffffffff; Both are not done with linux's crc32, 982 * which we want to be compatible with, so undo that. 983 */ 984 return crc32(0xffffffff, p, len) ^ 0xffffffff; 985 } 986 987 /* called from main context only */ 988 static int interface_client_monitors_config(QXLInstance *sin, 989 VDAgentMonitorsConfig *monitors_config) 990 { 991 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 992 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); 993 int i; 994 995 if (qxl->revision < 4) { 996 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, 997 qxl->revision); 998 return 0; 999 } 1000 /* 1001 * Older windows drivers set int_mask to 0 when their ISR is called, 1002 * then later set it to ~0. So it doesn't relate to the actual interrupts 1003 * handled. However, they are old, so clearly they don't support this 1004 * interrupt 1005 */ 1006 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || 1007 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { 1008 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, 1009 qxl->ram->int_mask, 1010 monitors_config); 1011 return 0; 1012 } 1013 if (!monitors_config) { 1014 return 1; 1015 } 1016 memset(&rom->client_monitors_config, 0, 1017 sizeof(rom->client_monitors_config)); 1018 rom->client_monitors_config.count = monitors_config->num_of_monitors; 1019 /* monitors_config->flags ignored */ 1020 if (rom->client_monitors_config.count >= 1021 ARRAY_SIZE(rom->client_monitors_config.heads)) { 1022 trace_qxl_client_monitors_config_capped(qxl->id, 1023 monitors_config->num_of_monitors, 1024 ARRAY_SIZE(rom->client_monitors_config.heads)); 1025 rom->client_monitors_config.count = 1026 ARRAY_SIZE(rom->client_monitors_config.heads); 1027 } 1028 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1029 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1030 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1031 /* monitor->depth ignored */ 1032 rect->left = monitor->x; 1033 rect->top = monitor->y; 1034 rect->right = monitor->x + monitor->width; 1035 rect->bottom = monitor->y + monitor->height; 1036 } 1037 rom->client_monitors_config_crc = qxl_crc32( 1038 (const uint8_t *)&rom->client_monitors_config, 1039 sizeof(rom->client_monitors_config)); 1040 trace_qxl_client_monitors_config_crc(qxl->id, 1041 sizeof(rom->client_monitors_config), 1042 rom->client_monitors_config_crc); 1043 1044 trace_qxl_interrupt_client_monitors_config(qxl->id, 1045 rom->client_monitors_config.count, 1046 rom->client_monitors_config.heads); 1047 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); 1048 return 1; 1049 } 1050 1051 static const QXLInterface qxl_interface = { 1052 .base.type = SPICE_INTERFACE_QXL, 1053 .base.description = "qxl gpu", 1054 .base.major_version = SPICE_INTERFACE_QXL_MAJOR, 1055 .base.minor_version = SPICE_INTERFACE_QXL_MINOR, 1056 1057 .attache_worker = interface_attach_worker, 1058 .set_compression_level = interface_set_compression_level, 1059 .set_mm_time = interface_set_mm_time, 1060 .get_init_info = interface_get_init_info, 1061 1062 /* the callbacks below are called from spice server thread context */ 1063 .get_command = interface_get_command, 1064 .req_cmd_notification = interface_req_cmd_notification, 1065 .release_resource = interface_release_resource, 1066 .get_cursor_command = interface_get_cursor_command, 1067 .req_cursor_notification = interface_req_cursor_notification, 1068 .notify_update = interface_notify_update, 1069 .flush_resources = interface_flush_resources, 1070 .async_complete = interface_async_complete, 1071 .update_area_complete = interface_update_area_complete, 1072 .set_client_capabilities = interface_set_client_capabilities, 1073 .client_monitors_config = interface_client_monitors_config, 1074 }; 1075 1076 static void qxl_enter_vga_mode(PCIQXLDevice *d) 1077 { 1078 if (d->mode == QXL_MODE_VGA) { 1079 return; 1080 } 1081 trace_qxl_enter_vga_mode(d->id); 1082 #if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */ 1083 spice_qxl_driver_unload(&d->ssd.qxl); 1084 #endif 1085 qemu_spice_create_host_primary(&d->ssd); 1086 d->mode = QXL_MODE_VGA; 1087 vga_dirty_log_start(&d->vga); 1088 graphic_hw_update(d->vga.con); 1089 } 1090 1091 static void qxl_exit_vga_mode(PCIQXLDevice *d) 1092 { 1093 if (d->mode != QXL_MODE_VGA) { 1094 return; 1095 } 1096 trace_qxl_exit_vga_mode(d->id); 1097 vga_dirty_log_stop(&d->vga); 1098 qxl_destroy_primary(d, QXL_SYNC); 1099 } 1100 1101 static void qxl_update_irq(PCIQXLDevice *d) 1102 { 1103 uint32_t pending = le32_to_cpu(d->ram->int_pending); 1104 uint32_t mask = le32_to_cpu(d->ram->int_mask); 1105 int level = !!(pending & mask); 1106 qemu_set_irq(d->pci.irq[0], level); 1107 qxl_ring_set_dirty(d); 1108 } 1109 1110 static void qxl_check_state(PCIQXLDevice *d) 1111 { 1112 QXLRam *ram = d->ram; 1113 int spice_display_running = qemu_spice_display_is_running(&d->ssd); 1114 1115 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); 1116 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); 1117 } 1118 1119 static void qxl_reset_state(PCIQXLDevice *d) 1120 { 1121 QXLRom *rom = d->rom; 1122 1123 qxl_check_state(d); 1124 d->shadow_rom.update_id = cpu_to_le32(0); 1125 *rom = d->shadow_rom; 1126 qxl_rom_set_dirty(d); 1127 init_qxl_ram(d); 1128 d->num_free_res = 0; 1129 d->last_release = NULL; 1130 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); 1131 } 1132 1133 static void qxl_soft_reset(PCIQXLDevice *d) 1134 { 1135 trace_qxl_soft_reset(d->id); 1136 qxl_check_state(d); 1137 qxl_clear_guest_bug(d); 1138 d->current_async = QXL_UNDEFINED_IO; 1139 1140 if (d->id == 0) { 1141 qxl_enter_vga_mode(d); 1142 } else { 1143 d->mode = QXL_MODE_UNDEFINED; 1144 } 1145 } 1146 1147 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) 1148 { 1149 trace_qxl_hard_reset(d->id, loadvm); 1150 1151 qxl_spice_reset_cursor(d); 1152 qxl_spice_reset_image_cache(d); 1153 qxl_reset_surfaces(d); 1154 qxl_reset_memslots(d); 1155 1156 /* pre loadvm reset must not touch QXLRam. This lives in 1157 * device memory, is migrated together with RAM and thus 1158 * already loaded at this point */ 1159 if (!loadvm) { 1160 qxl_reset_state(d); 1161 } 1162 qemu_spice_create_host_memslot(&d->ssd); 1163 qxl_soft_reset(d); 1164 } 1165 1166 static void qxl_reset_handler(DeviceState *dev) 1167 { 1168 PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev); 1169 1170 qxl_hard_reset(d, 0); 1171 } 1172 1173 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) 1174 { 1175 VGACommonState *vga = opaque; 1176 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); 1177 1178 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); 1179 if (qxl->mode != QXL_MODE_VGA) { 1180 qxl_destroy_primary(qxl, QXL_SYNC); 1181 qxl_soft_reset(qxl); 1182 } 1183 vga_ioport_write(opaque, addr, val); 1184 } 1185 1186 static const MemoryRegionPortio qxl_vga_portio_list[] = { 1187 { 0x04, 2, 1, .read = vga_ioport_read, 1188 .write = qxl_vga_ioport_write }, /* 3b4 */ 1189 { 0x0a, 1, 1, .read = vga_ioport_read, 1190 .write = qxl_vga_ioport_write }, /* 3ba */ 1191 { 0x10, 16, 1, .read = vga_ioport_read, 1192 .write = qxl_vga_ioport_write }, /* 3c0 */ 1193 { 0x24, 2, 1, .read = vga_ioport_read, 1194 .write = qxl_vga_ioport_write }, /* 3d4 */ 1195 { 0x2a, 1, 1, .read = vga_ioport_read, 1196 .write = qxl_vga_ioport_write }, /* 3da */ 1197 PORTIO_END_OF_LIST(), 1198 }; 1199 1200 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, 1201 qxl_async_io async) 1202 { 1203 static const int regions[] = { 1204 QXL_RAM_RANGE_INDEX, 1205 QXL_VRAM_RANGE_INDEX, 1206 QXL_VRAM64_RANGE_INDEX, 1207 }; 1208 uint64_t guest_start; 1209 uint64_t guest_end; 1210 int pci_region; 1211 pcibus_t pci_start; 1212 pcibus_t pci_end; 1213 intptr_t virt_start; 1214 QXLDevMemSlot memslot; 1215 int i; 1216 1217 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); 1218 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); 1219 1220 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); 1221 1222 if (slot_id >= NUM_MEMSLOTS) { 1223 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__, 1224 slot_id, NUM_MEMSLOTS); 1225 return 1; 1226 } 1227 if (guest_start > guest_end) { 1228 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64 1229 " > 0x%" PRIx64, __func__, guest_start, guest_end); 1230 return 1; 1231 } 1232 1233 for (i = 0; i < ARRAY_SIZE(regions); i++) { 1234 pci_region = regions[i]; 1235 pci_start = d->pci.io_regions[pci_region].addr; 1236 pci_end = pci_start + d->pci.io_regions[pci_region].size; 1237 /* mapped? */ 1238 if (pci_start == -1) { 1239 continue; 1240 } 1241 /* start address in range ? */ 1242 if (guest_start < pci_start || guest_start > pci_end) { 1243 continue; 1244 } 1245 /* end address in range ? */ 1246 if (guest_end > pci_end) { 1247 continue; 1248 } 1249 /* passed */ 1250 break; 1251 } 1252 if (i == ARRAY_SIZE(regions)) { 1253 qxl_set_guest_bug(d, "%s: finished loop without match", __func__); 1254 return 1; 1255 } 1256 1257 switch (pci_region) { 1258 case QXL_RAM_RANGE_INDEX: 1259 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vga.vram); 1260 break; 1261 case QXL_VRAM_RANGE_INDEX: 1262 case 4 /* vram 64bit */: 1263 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vram_bar); 1264 break; 1265 default: 1266 /* should not happen */ 1267 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); 1268 return 1; 1269 } 1270 1271 memslot.slot_id = slot_id; 1272 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */ 1273 memslot.virt_start = virt_start + (guest_start - pci_start); 1274 memslot.virt_end = virt_start + (guest_end - pci_start); 1275 memslot.addr_delta = memslot.virt_start - delta; 1276 memslot.generation = d->rom->slot_generation = 0; 1277 qxl_rom_set_dirty(d); 1278 1279 qemu_spice_add_memslot(&d->ssd, &memslot, async); 1280 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start; 1281 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; 1282 d->guest_slots[slot_id].delta = delta; 1283 d->guest_slots[slot_id].active = 1; 1284 return 0; 1285 } 1286 1287 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) 1288 { 1289 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); 1290 d->guest_slots[slot_id].active = 0; 1291 } 1292 1293 static void qxl_reset_memslots(PCIQXLDevice *d) 1294 { 1295 qxl_spice_reset_memslots(d); 1296 memset(&d->guest_slots, 0, sizeof(d->guest_slots)); 1297 } 1298 1299 static void qxl_reset_surfaces(PCIQXLDevice *d) 1300 { 1301 trace_qxl_reset_surfaces(d->id); 1302 d->mode = QXL_MODE_UNDEFINED; 1303 qxl_spice_destroy_surfaces(d, QXL_SYNC); 1304 } 1305 1306 /* can be also called from spice server thread context */ 1307 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id) 1308 { 1309 uint64_t phys = le64_to_cpu(pqxl); 1310 uint32_t slot = (phys >> (64 - 8)) & 0xff; 1311 uint64_t offset = phys & 0xffffffffffff; 1312 1313 switch (group_id) { 1314 case MEMSLOT_GROUP_HOST: 1315 return (void *)(intptr_t)offset; 1316 case MEMSLOT_GROUP_GUEST: 1317 if (slot >= NUM_MEMSLOTS) { 1318 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot, 1319 NUM_MEMSLOTS); 1320 return NULL; 1321 } 1322 if (!qxl->guest_slots[slot].active) { 1323 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot); 1324 return NULL; 1325 } 1326 if (offset < qxl->guest_slots[slot].delta) { 1327 qxl_set_guest_bug(qxl, 1328 "slot %d offset %"PRIu64" < delta %"PRIu64"\n", 1329 slot, offset, qxl->guest_slots[slot].delta); 1330 return NULL; 1331 } 1332 offset -= qxl->guest_slots[slot].delta; 1333 if (offset > qxl->guest_slots[slot].size) { 1334 qxl_set_guest_bug(qxl, 1335 "slot %d offset %"PRIu64" > size %"PRIu64"\n", 1336 slot, offset, qxl->guest_slots[slot].size); 1337 return NULL; 1338 } 1339 return qxl->guest_slots[slot].ptr + offset; 1340 } 1341 return NULL; 1342 } 1343 1344 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) 1345 { 1346 /* for local rendering */ 1347 qxl_render_resize(qxl); 1348 } 1349 1350 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, 1351 qxl_async_io async) 1352 { 1353 QXLDevSurfaceCreate surface; 1354 QXLSurfaceCreate *sc = &qxl->guest_primary.surface; 1355 int size; 1356 int requested_height = le32_to_cpu(sc->height); 1357 int requested_stride = le32_to_cpu(sc->stride); 1358 1359 size = abs(requested_stride) * requested_height; 1360 if (size > qxl->vgamem_size) { 1361 qxl_set_guest_bug(qxl, "%s: requested primary larger then framebuffer" 1362 " size", __func__); 1363 return; 1364 } 1365 1366 if (qxl->mode == QXL_MODE_NATIVE) { 1367 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE", 1368 __func__); 1369 } 1370 qxl_exit_vga_mode(qxl); 1371 1372 surface.format = le32_to_cpu(sc->format); 1373 surface.height = le32_to_cpu(sc->height); 1374 surface.mem = le64_to_cpu(sc->mem); 1375 surface.position = le32_to_cpu(sc->position); 1376 surface.stride = le32_to_cpu(sc->stride); 1377 surface.width = le32_to_cpu(sc->width); 1378 surface.type = le32_to_cpu(sc->type); 1379 surface.flags = le32_to_cpu(sc->flags); 1380 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, 1381 sc->format, sc->position); 1382 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, 1383 sc->flags); 1384 1385 if ((surface.stride & 0x3) != 0) { 1386 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0", 1387 surface.stride); 1388 return; 1389 } 1390 1391 surface.mouse_mode = true; 1392 surface.group_id = MEMSLOT_GROUP_GUEST; 1393 if (loadvm) { 1394 surface.flags |= QXL_SURF_FLAG_KEEP_DATA; 1395 } 1396 1397 qxl->mode = QXL_MODE_NATIVE; 1398 qxl->cmdflags = 0; 1399 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async); 1400 1401 if (async == QXL_SYNC) { 1402 qxl_create_guest_primary_complete(qxl); 1403 } 1404 } 1405 1406 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or 1407 * done (in QXL_SYNC case), 0 otherwise. */ 1408 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) 1409 { 1410 if (d->mode == QXL_MODE_UNDEFINED) { 1411 return 0; 1412 } 1413 trace_qxl_destroy_primary(d->id); 1414 d->mode = QXL_MODE_UNDEFINED; 1415 qemu_spice_destroy_primary_surface(&d->ssd, 0, async); 1416 qxl_spice_reset_cursor(d); 1417 return 1; 1418 } 1419 1420 static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm) 1421 { 1422 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1423 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; 1424 QXLMode *mode = d->modes->modes + modenr; 1425 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1426 QXLMemSlot slot = { 1427 .mem_start = start, 1428 .mem_end = end 1429 }; 1430 QXLSurfaceCreate surface = { 1431 .width = mode->x_res, 1432 .height = mode->y_res, 1433 .stride = -mode->x_res * 4, 1434 .format = SPICE_SURFACE_FMT_32_xRGB, 1435 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, 1436 .mouse_mode = true, 1437 .mem = devmem + d->shadow_rom.draw_area_offset, 1438 }; 1439 1440 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, 1441 devmem); 1442 if (!loadvm) { 1443 qxl_hard_reset(d, 0); 1444 } 1445 1446 d->guest_slots[0].slot = slot; 1447 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); 1448 1449 d->guest_primary.surface = surface; 1450 qxl_create_guest_primary(d, 0, QXL_SYNC); 1451 1452 d->mode = QXL_MODE_COMPAT; 1453 d->cmdflags = QXL_COMMAND_FLAG_COMPAT; 1454 if (mode->bits == 16) { 1455 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; 1456 } 1457 d->shadow_rom.mode = cpu_to_le32(modenr); 1458 d->rom->mode = cpu_to_le32(modenr); 1459 qxl_rom_set_dirty(d); 1460 } 1461 1462 static void ioport_write(void *opaque, hwaddr addr, 1463 uint64_t val, unsigned size) 1464 { 1465 PCIQXLDevice *d = opaque; 1466 uint32_t io_port = addr; 1467 qxl_async_io async = QXL_SYNC; 1468 uint32_t orig_io_port = io_port; 1469 1470 if (d->guest_bug && io_port != QXL_IO_RESET) { 1471 return; 1472 } 1473 1474 if (d->revision <= QXL_REVISION_STABLE_V10 && 1475 io_port > QXL_IO_FLUSH_RELEASE) { 1476 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n", 1477 io_port, d->revision); 1478 return; 1479 } 1480 1481 switch (io_port) { 1482 case QXL_IO_RESET: 1483 case QXL_IO_SET_MODE: 1484 case QXL_IO_MEMSLOT_ADD: 1485 case QXL_IO_MEMSLOT_DEL: 1486 case QXL_IO_CREATE_PRIMARY: 1487 case QXL_IO_UPDATE_IRQ: 1488 case QXL_IO_LOG: 1489 case QXL_IO_MEMSLOT_ADD_ASYNC: 1490 case QXL_IO_CREATE_PRIMARY_ASYNC: 1491 break; 1492 default: 1493 if (d->mode != QXL_MODE_VGA) { 1494 break; 1495 } 1496 trace_qxl_io_unexpected_vga_mode(d->id, 1497 addr, val, io_port_to_string(io_port)); 1498 /* be nice to buggy guest drivers */ 1499 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && 1500 io_port < QXL_IO_RANGE_SIZE) { 1501 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1502 } 1503 return; 1504 } 1505 1506 /* we change the io_port to avoid ifdeffery in the main switch */ 1507 orig_io_port = io_port; 1508 switch (io_port) { 1509 case QXL_IO_UPDATE_AREA_ASYNC: 1510 io_port = QXL_IO_UPDATE_AREA; 1511 goto async_common; 1512 case QXL_IO_MEMSLOT_ADD_ASYNC: 1513 io_port = QXL_IO_MEMSLOT_ADD; 1514 goto async_common; 1515 case QXL_IO_CREATE_PRIMARY_ASYNC: 1516 io_port = QXL_IO_CREATE_PRIMARY; 1517 goto async_common; 1518 case QXL_IO_DESTROY_PRIMARY_ASYNC: 1519 io_port = QXL_IO_DESTROY_PRIMARY; 1520 goto async_common; 1521 case QXL_IO_DESTROY_SURFACE_ASYNC: 1522 io_port = QXL_IO_DESTROY_SURFACE_WAIT; 1523 goto async_common; 1524 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 1525 io_port = QXL_IO_DESTROY_ALL_SURFACES; 1526 goto async_common; 1527 case QXL_IO_FLUSH_SURFACES_ASYNC: 1528 case QXL_IO_MONITORS_CONFIG_ASYNC: 1529 async_common: 1530 async = QXL_ASYNC; 1531 qemu_mutex_lock(&d->async_lock); 1532 if (d->current_async != QXL_UNDEFINED_IO) { 1533 qxl_set_guest_bug(d, "%d async started before last (%d) complete", 1534 io_port, d->current_async); 1535 qemu_mutex_unlock(&d->async_lock); 1536 return; 1537 } 1538 d->current_async = orig_io_port; 1539 qemu_mutex_unlock(&d->async_lock); 1540 break; 1541 default: 1542 break; 1543 } 1544 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), 1545 addr, io_port_to_string(addr), 1546 val, size, async); 1547 1548 switch (io_port) { 1549 case QXL_IO_UPDATE_AREA: 1550 { 1551 QXLCookie *cookie = NULL; 1552 QXLRect update = d->ram->update_area; 1553 1554 if (d->ram->update_surface > d->ssd.num_surfaces) { 1555 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n", 1556 d->ram->update_surface); 1557 break; 1558 } 1559 if (update.left >= update.right || update.top >= update.bottom || 1560 update.left < 0 || update.top < 0) { 1561 qxl_set_guest_bug(d, 1562 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n", 1563 update.left, update.top, update.right, update.bottom); 1564 break; 1565 } 1566 if (async == QXL_ASYNC) { 1567 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 1568 QXL_IO_UPDATE_AREA_ASYNC); 1569 cookie->u.area = update; 1570 } 1571 qxl_spice_update_area(d, d->ram->update_surface, 1572 cookie ? &cookie->u.area : &update, 1573 NULL, 0, 0, async, cookie); 1574 break; 1575 } 1576 case QXL_IO_NOTIFY_CMD: 1577 qemu_spice_wakeup(&d->ssd); 1578 break; 1579 case QXL_IO_NOTIFY_CURSOR: 1580 qemu_spice_wakeup(&d->ssd); 1581 break; 1582 case QXL_IO_UPDATE_IRQ: 1583 qxl_update_irq(d); 1584 break; 1585 case QXL_IO_NOTIFY_OOM: 1586 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { 1587 break; 1588 } 1589 d->oom_running = 1; 1590 qxl_spice_oom(d); 1591 d->oom_running = 0; 1592 break; 1593 case QXL_IO_SET_MODE: 1594 qxl_set_mode(d, val, 0); 1595 break; 1596 case QXL_IO_LOG: 1597 trace_qxl_io_log(d->id, d->ram->log_buf); 1598 if (d->guestdebug) { 1599 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, 1600 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf); 1601 } 1602 break; 1603 case QXL_IO_RESET: 1604 qxl_hard_reset(d, 0); 1605 break; 1606 case QXL_IO_MEMSLOT_ADD: 1607 if (val >= NUM_MEMSLOTS) { 1608 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); 1609 break; 1610 } 1611 if (d->guest_slots[val].active) { 1612 qxl_set_guest_bug(d, 1613 "QXL_IO_MEMSLOT_ADD: memory slot already active"); 1614 break; 1615 } 1616 d->guest_slots[val].slot = d->ram->mem_slot; 1617 qxl_add_memslot(d, val, 0, async); 1618 break; 1619 case QXL_IO_MEMSLOT_DEL: 1620 if (val >= NUM_MEMSLOTS) { 1621 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); 1622 break; 1623 } 1624 qxl_del_memslot(d, val); 1625 break; 1626 case QXL_IO_CREATE_PRIMARY: 1627 if (val != 0) { 1628 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", 1629 async); 1630 goto cancel_async; 1631 } 1632 d->guest_primary.surface = d->ram->create_surface; 1633 qxl_create_guest_primary(d, 0, async); 1634 break; 1635 case QXL_IO_DESTROY_PRIMARY: 1636 if (val != 0) { 1637 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", 1638 async); 1639 goto cancel_async; 1640 } 1641 if (!qxl_destroy_primary(d, async)) { 1642 trace_qxl_io_destroy_primary_ignored(d->id, 1643 qxl_mode_to_string(d->mode)); 1644 goto cancel_async; 1645 } 1646 break; 1647 case QXL_IO_DESTROY_SURFACE_WAIT: 1648 if (val >= d->ssd.num_surfaces) { 1649 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" 1650 "%" PRIu64 " >= NUM_SURFACES", async, val); 1651 goto cancel_async; 1652 } 1653 qxl_spice_destroy_surface_wait(d, val, async); 1654 break; 1655 case QXL_IO_FLUSH_RELEASE: { 1656 QXLReleaseRing *ring = &d->ram->release_ring; 1657 if (ring->prod - ring->cons + 1 == ring->num_items) { 1658 fprintf(stderr, 1659 "ERROR: no flush, full release ring [p%d,%dc]\n", 1660 ring->prod, ring->cons); 1661 } 1662 qxl_push_free_res(d, 1 /* flush */); 1663 break; 1664 } 1665 case QXL_IO_FLUSH_SURFACES_ASYNC: 1666 qxl_spice_flush_surfaces_async(d); 1667 break; 1668 case QXL_IO_DESTROY_ALL_SURFACES: 1669 d->mode = QXL_MODE_UNDEFINED; 1670 qxl_spice_destroy_surfaces(d, async); 1671 break; 1672 case QXL_IO_MONITORS_CONFIG_ASYNC: 1673 qxl_spice_monitors_config_async(d, 0); 1674 break; 1675 default: 1676 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port); 1677 } 1678 return; 1679 cancel_async: 1680 if (async) { 1681 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1682 qemu_mutex_lock(&d->async_lock); 1683 d->current_async = QXL_UNDEFINED_IO; 1684 qemu_mutex_unlock(&d->async_lock); 1685 } 1686 } 1687 1688 static uint64_t ioport_read(void *opaque, hwaddr addr, 1689 unsigned size) 1690 { 1691 PCIQXLDevice *qxl = opaque; 1692 1693 trace_qxl_io_read_unexpected(qxl->id); 1694 return 0xff; 1695 } 1696 1697 static const MemoryRegionOps qxl_io_ops = { 1698 .read = ioport_read, 1699 .write = ioport_write, 1700 .valid = { 1701 .min_access_size = 1, 1702 .max_access_size = 1, 1703 }, 1704 }; 1705 1706 static void pipe_read(void *opaque) 1707 { 1708 PCIQXLDevice *d = opaque; 1709 char dummy; 1710 int len; 1711 1712 do { 1713 len = read(d->pipe[0], &dummy, sizeof(dummy)); 1714 } while (len == sizeof(dummy)); 1715 qxl_update_irq(d); 1716 } 1717 1718 static void qxl_send_events(PCIQXLDevice *d, uint32_t events) 1719 { 1720 uint32_t old_pending; 1721 uint32_t le_events = cpu_to_le32(events); 1722 1723 trace_qxl_send_events(d->id, events); 1724 if (!qemu_spice_display_is_running(&d->ssd)) { 1725 /* spice-server tracks guest running state and should not do this */ 1726 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n", 1727 __func__); 1728 trace_qxl_send_events_vm_stopped(d->id, events); 1729 return; 1730 } 1731 old_pending = atomic_fetch_or(&d->ram->int_pending, le_events); 1732 if ((old_pending & le_events) == le_events) { 1733 return; 1734 } 1735 if (qemu_thread_is_self(&d->main)) { 1736 qxl_update_irq(d); 1737 } else { 1738 if (write(d->pipe[1], d, 1) != 1) { 1739 dprint(d, 1, "%s: write to pipe failed\n", __func__); 1740 } 1741 } 1742 } 1743 1744 static void init_pipe_signaling(PCIQXLDevice *d) 1745 { 1746 if (pipe(d->pipe) < 0) { 1747 fprintf(stderr, "%s:%s: qxl pipe creation failed\n", 1748 __FILE__, __func__); 1749 exit(1); 1750 } 1751 fcntl(d->pipe[0], F_SETFL, O_NONBLOCK); 1752 fcntl(d->pipe[1], F_SETFL, O_NONBLOCK); 1753 fcntl(d->pipe[0], F_SETOWN, getpid()); 1754 1755 qemu_thread_get_self(&d->main); 1756 qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d); 1757 } 1758 1759 /* graphics console */ 1760 1761 static void qxl_hw_update(void *opaque) 1762 { 1763 PCIQXLDevice *qxl = opaque; 1764 VGACommonState *vga = &qxl->vga; 1765 1766 switch (qxl->mode) { 1767 case QXL_MODE_VGA: 1768 vga->hw_ops->gfx_update(vga); 1769 break; 1770 case QXL_MODE_COMPAT: 1771 case QXL_MODE_NATIVE: 1772 qxl_render_update(qxl); 1773 break; 1774 default: 1775 break; 1776 } 1777 } 1778 1779 static void qxl_hw_invalidate(void *opaque) 1780 { 1781 PCIQXLDevice *qxl = opaque; 1782 VGACommonState *vga = &qxl->vga; 1783 1784 if (qxl->mode == QXL_MODE_VGA) { 1785 vga->hw_ops->invalidate(vga); 1786 return; 1787 } 1788 } 1789 1790 static void qxl_hw_text_update(void *opaque, console_ch_t *chardata) 1791 { 1792 PCIQXLDevice *qxl = opaque; 1793 VGACommonState *vga = &qxl->vga; 1794 1795 if (qxl->mode == QXL_MODE_VGA) { 1796 vga->hw_ops->text_update(vga, chardata); 1797 return; 1798 } 1799 } 1800 1801 static void qxl_dirty_surfaces(PCIQXLDevice *qxl) 1802 { 1803 uintptr_t vram_start; 1804 int i; 1805 1806 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { 1807 return; 1808 } 1809 1810 /* dirty the primary surface */ 1811 qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset, 1812 qxl->shadow_rom.surface0_area_size); 1813 1814 vram_start = (uintptr_t)memory_region_get_ram_ptr(&qxl->vram_bar); 1815 1816 /* dirty the off-screen surfaces */ 1817 for (i = 0; i < qxl->ssd.num_surfaces; i++) { 1818 QXLSurfaceCmd *cmd; 1819 intptr_t surface_offset; 1820 int surface_size; 1821 1822 if (qxl->guest_surfaces.cmds[i] == 0) { 1823 continue; 1824 } 1825 1826 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], 1827 MEMSLOT_GROUP_GUEST); 1828 assert(cmd); 1829 assert(cmd->type == QXL_SURFACE_CMD_CREATE); 1830 surface_offset = (intptr_t)qxl_phys2virt(qxl, 1831 cmd->u.surface_create.data, 1832 MEMSLOT_GROUP_GUEST); 1833 assert(surface_offset); 1834 surface_offset -= vram_start; 1835 surface_size = cmd->u.surface_create.height * 1836 abs(cmd->u.surface_create.stride); 1837 trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset, surface_size); 1838 qxl_set_dirty(&qxl->vram_bar, surface_offset, surface_size); 1839 } 1840 } 1841 1842 static void qxl_vm_change_state_handler(void *opaque, int running, 1843 RunState state) 1844 { 1845 PCIQXLDevice *qxl = opaque; 1846 1847 if (running) { 1848 /* 1849 * if qxl_send_events was called from spice server context before 1850 * migration ended, qxl_update_irq for these events might not have been 1851 * called 1852 */ 1853 qxl_update_irq(qxl); 1854 } else { 1855 /* make sure surfaces are saved before migration */ 1856 qxl_dirty_surfaces(qxl); 1857 } 1858 } 1859 1860 /* display change listener */ 1861 1862 static void display_update(DisplayChangeListener *dcl, 1863 int x, int y, int w, int h) 1864 { 1865 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1866 1867 if (qxl->mode == QXL_MODE_VGA) { 1868 qemu_spice_display_update(&qxl->ssd, x, y, w, h); 1869 } 1870 } 1871 1872 static void display_switch(DisplayChangeListener *dcl, 1873 struct DisplaySurface *surface) 1874 { 1875 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1876 1877 qxl->ssd.ds = surface; 1878 if (qxl->mode == QXL_MODE_VGA) { 1879 qemu_spice_display_switch(&qxl->ssd, surface); 1880 } 1881 } 1882 1883 static void display_refresh(DisplayChangeListener *dcl) 1884 { 1885 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1886 1887 if (qxl->mode == QXL_MODE_VGA) { 1888 qemu_spice_display_refresh(&qxl->ssd); 1889 } else { 1890 qemu_mutex_lock(&qxl->ssd.lock); 1891 qemu_spice_cursor_refresh_unlocked(&qxl->ssd); 1892 qemu_mutex_unlock(&qxl->ssd.lock); 1893 } 1894 } 1895 1896 static DisplayChangeListenerOps display_listener_ops = { 1897 .dpy_name = "spice/qxl", 1898 .dpy_gfx_update = display_update, 1899 .dpy_gfx_switch = display_switch, 1900 .dpy_refresh = display_refresh, 1901 }; 1902 1903 static void qxl_init_ramsize(PCIQXLDevice *qxl) 1904 { 1905 /* vga mode framebuffer / primary surface (bar 0, first part) */ 1906 if (qxl->vgamem_size_mb < 8) { 1907 qxl->vgamem_size_mb = 8; 1908 } 1909 qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024; 1910 1911 /* vga ram (bar 0, total) */ 1912 if (qxl->ram_size_mb != -1) { 1913 qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024; 1914 } 1915 if (qxl->vga.vram_size < qxl->vgamem_size * 2) { 1916 qxl->vga.vram_size = qxl->vgamem_size * 2; 1917 } 1918 1919 /* vram32 (surfaces, 32bit, bar 1) */ 1920 if (qxl->vram32_size_mb != -1) { 1921 qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024; 1922 } 1923 if (qxl->vram32_size < 4096) { 1924 qxl->vram32_size = 4096; 1925 } 1926 1927 /* vram (surfaces, 64bit, bar 4+5) */ 1928 if (qxl->vram_size_mb != -1) { 1929 qxl->vram_size = qxl->vram_size_mb * 1024 * 1024; 1930 } 1931 if (qxl->vram_size < qxl->vram32_size) { 1932 qxl->vram_size = qxl->vram32_size; 1933 } 1934 1935 if (qxl->revision == 1) { 1936 qxl->vram32_size = 4096; 1937 qxl->vram_size = 4096; 1938 } 1939 qxl->vgamem_size = msb_mask(qxl->vgamem_size * 2 - 1); 1940 qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1); 1941 qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1); 1942 qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1); 1943 } 1944 1945 static int qxl_init_common(PCIQXLDevice *qxl) 1946 { 1947 uint8_t* config = qxl->pci.config; 1948 uint32_t pci_device_rev; 1949 uint32_t io_size; 1950 1951 qxl->mode = QXL_MODE_UNDEFINED; 1952 qxl->generation = 1; 1953 qxl->num_memslots = NUM_MEMSLOTS; 1954 qemu_mutex_init(&qxl->track_lock); 1955 qemu_mutex_init(&qxl->async_lock); 1956 qxl->current_async = QXL_UNDEFINED_IO; 1957 qxl->guest_bug = 0; 1958 1959 switch (qxl->revision) { 1960 case 1: /* spice 0.4 -- qxl-1 */ 1961 pci_device_rev = QXL_REVISION_STABLE_V04; 1962 io_size = 8; 1963 break; 1964 case 2: /* spice 0.6 -- qxl-2 */ 1965 pci_device_rev = QXL_REVISION_STABLE_V06; 1966 io_size = 16; 1967 break; 1968 case 3: /* qxl-3 */ 1969 pci_device_rev = QXL_REVISION_STABLE_V10; 1970 io_size = 32; /* PCI region size must be pow2 */ 1971 break; 1972 case 4: /* qxl-4 */ 1973 pci_device_rev = QXL_REVISION_STABLE_V12; 1974 io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1); 1975 break; 1976 default: 1977 error_report("Invalid revision %d for qxl device (max %d)", 1978 qxl->revision, QXL_DEFAULT_REVISION); 1979 return -1; 1980 } 1981 1982 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); 1983 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); 1984 1985 qxl->rom_size = qxl_rom_size(); 1986 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", 1987 qxl->rom_size); 1988 vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev); 1989 init_qxl_rom(qxl); 1990 init_qxl_ram(qxl); 1991 1992 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); 1993 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", 1994 qxl->vram_size); 1995 vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev); 1996 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", 1997 &qxl->vram_bar, 0, qxl->vram32_size); 1998 1999 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, 2000 "qxl-ioports", io_size); 2001 if (qxl->id == 0) { 2002 vga_dirty_log_start(&qxl->vga); 2003 } 2004 memory_region_set_flush_coalesced(&qxl->io_bar); 2005 2006 2007 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, 2008 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); 2009 2010 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, 2011 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); 2012 2013 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, 2014 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); 2015 2016 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, 2017 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); 2018 2019 if (qxl->vram32_size < qxl->vram_size) { 2020 /* 2021 * Make the 64bit vram bar show up only in case it is 2022 * configured to be larger than the 32bit vram bar. 2023 */ 2024 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, 2025 PCI_BASE_ADDRESS_SPACE_MEMORY | 2026 PCI_BASE_ADDRESS_MEM_TYPE_64 | 2027 PCI_BASE_ADDRESS_MEM_PREFETCH, 2028 &qxl->vram_bar); 2029 } 2030 2031 /* print pci bar details */ 2032 dprint(qxl, 1, "ram/%s: %d MB [region 0]\n", 2033 qxl->id == 0 ? "pri" : "sec", 2034 qxl->vga.vram_size / (1024*1024)); 2035 dprint(qxl, 1, "vram/32: %d MB [region 1]\n", 2036 qxl->vram32_size / (1024*1024)); 2037 dprint(qxl, 1, "vram/64: %d MB %s\n", 2038 qxl->vram_size / (1024*1024), 2039 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); 2040 2041 qxl->ssd.qxl.base.sif = &qxl_interface.base; 2042 qxl->ssd.qxl.id = qxl->id; 2043 if (qemu_spice_add_interface(&qxl->ssd.qxl.base) != 0) { 2044 error_report("qxl interface %d.%d not supported by spice-server", 2045 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); 2046 return -1; 2047 } 2048 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); 2049 2050 init_pipe_signaling(qxl); 2051 qxl_reset_state(qxl); 2052 2053 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); 2054 2055 return 0; 2056 } 2057 2058 static const GraphicHwOps qxl_ops = { 2059 .invalidate = qxl_hw_invalidate, 2060 .gfx_update = qxl_hw_update, 2061 .text_update = qxl_hw_text_update, 2062 }; 2063 2064 static int qxl_init_primary(PCIDevice *dev) 2065 { 2066 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev); 2067 VGACommonState *vga = &qxl->vga; 2068 PortioList *qxl_vga_port_list = g_new(PortioList, 1); 2069 int rc; 2070 2071 qxl->id = 0; 2072 qxl_init_ramsize(qxl); 2073 vga->vram_size_mb = qxl->vga.vram_size >> 20; 2074 vga_common_init(vga, OBJECT(dev)); 2075 vga_init(vga, OBJECT(dev), 2076 pci_address_space(dev), pci_address_space_io(dev), false); 2077 portio_list_init(qxl_vga_port_list, OBJECT(dev), qxl_vga_portio_list, 2078 vga, "vga"); 2079 portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0); 2080 2081 vga->con = graphic_console_init(DEVICE(dev), &qxl_ops, qxl); 2082 qemu_spice_display_init_common(&qxl->ssd); 2083 2084 rc = qxl_init_common(qxl); 2085 if (rc != 0) { 2086 return rc; 2087 } 2088 2089 qxl->ssd.dcl.ops = &display_listener_ops; 2090 qxl->ssd.dcl.con = vga->con; 2091 register_displaychangelistener(&qxl->ssd.dcl); 2092 return rc; 2093 } 2094 2095 static int qxl_init_secondary(PCIDevice *dev) 2096 { 2097 static int device_id = 1; 2098 PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev); 2099 2100 qxl->id = device_id++; 2101 qxl_init_ramsize(qxl); 2102 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram", 2103 qxl->vga.vram_size); 2104 vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev); 2105 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); 2106 qxl->vga.con = graphic_console_init(DEVICE(dev), &qxl_ops, qxl); 2107 2108 return qxl_init_common(qxl); 2109 } 2110 2111 static void qxl_pre_save(void *opaque) 2112 { 2113 PCIQXLDevice* d = opaque; 2114 uint8_t *ram_start = d->vga.vram_ptr; 2115 2116 trace_qxl_pre_save(d->id); 2117 if (d->last_release == NULL) { 2118 d->last_release_offset = 0; 2119 } else { 2120 d->last_release_offset = (uint8_t *)d->last_release - ram_start; 2121 } 2122 assert(d->last_release_offset < d->vga.vram_size); 2123 } 2124 2125 static int qxl_pre_load(void *opaque) 2126 { 2127 PCIQXLDevice* d = opaque; 2128 2129 trace_qxl_pre_load(d->id); 2130 qxl_hard_reset(d, 1); 2131 qxl_exit_vga_mode(d); 2132 return 0; 2133 } 2134 2135 static void qxl_create_memslots(PCIQXLDevice *d) 2136 { 2137 int i; 2138 2139 for (i = 0; i < NUM_MEMSLOTS; i++) { 2140 if (!d->guest_slots[i].active) { 2141 continue; 2142 } 2143 qxl_add_memslot(d, i, 0, QXL_SYNC); 2144 } 2145 } 2146 2147 static int qxl_post_load(void *opaque, int version) 2148 { 2149 PCIQXLDevice* d = opaque; 2150 uint8_t *ram_start = d->vga.vram_ptr; 2151 QXLCommandExt *cmds; 2152 int in, out, newmode; 2153 2154 assert(d->last_release_offset < d->vga.vram_size); 2155 if (d->last_release_offset == 0) { 2156 d->last_release = NULL; 2157 } else { 2158 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); 2159 } 2160 2161 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); 2162 2163 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); 2164 newmode = d->mode; 2165 d->mode = QXL_MODE_UNDEFINED; 2166 2167 switch (newmode) { 2168 case QXL_MODE_UNDEFINED: 2169 qxl_create_memslots(d); 2170 break; 2171 case QXL_MODE_VGA: 2172 qxl_create_memslots(d); 2173 qxl_enter_vga_mode(d); 2174 break; 2175 case QXL_MODE_NATIVE: 2176 qxl_create_memslots(d); 2177 qxl_create_guest_primary(d, 1, QXL_SYNC); 2178 2179 /* replay surface-create and cursor-set commands */ 2180 cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1)); 2181 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { 2182 if (d->guest_surfaces.cmds[in] == 0) { 2183 continue; 2184 } 2185 cmds[out].cmd.data = d->guest_surfaces.cmds[in]; 2186 cmds[out].cmd.type = QXL_CMD_SURFACE; 2187 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2188 out++; 2189 } 2190 if (d->guest_cursor) { 2191 cmds[out].cmd.data = d->guest_cursor; 2192 cmds[out].cmd.type = QXL_CMD_CURSOR; 2193 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2194 out++; 2195 } 2196 qxl_spice_loadvm_commands(d, cmds, out); 2197 g_free(cmds); 2198 if (d->guest_monitors_config) { 2199 qxl_spice_monitors_config_async(d, 1); 2200 } 2201 break; 2202 case QXL_MODE_COMPAT: 2203 /* note: no need to call qxl_create_memslots, qxl_set_mode 2204 * creates the mem slot. */ 2205 qxl_set_mode(d, d->shadow_rom.mode, 1); 2206 break; 2207 } 2208 return 0; 2209 } 2210 2211 #define QXL_SAVE_VERSION 21 2212 2213 static bool qxl_monitors_config_needed(void *opaque) 2214 { 2215 PCIQXLDevice *qxl = opaque; 2216 2217 return qxl->guest_monitors_config != 0; 2218 } 2219 2220 2221 static VMStateDescription qxl_memslot = { 2222 .name = "qxl-memslot", 2223 .version_id = QXL_SAVE_VERSION, 2224 .minimum_version_id = QXL_SAVE_VERSION, 2225 .fields = (VMStateField[]) { 2226 VMSTATE_UINT64(slot.mem_start, struct guest_slots), 2227 VMSTATE_UINT64(slot.mem_end, struct guest_slots), 2228 VMSTATE_UINT32(active, struct guest_slots), 2229 VMSTATE_END_OF_LIST() 2230 } 2231 }; 2232 2233 static VMStateDescription qxl_surface = { 2234 .name = "qxl-surface", 2235 .version_id = QXL_SAVE_VERSION, 2236 .minimum_version_id = QXL_SAVE_VERSION, 2237 .fields = (VMStateField[]) { 2238 VMSTATE_UINT32(width, QXLSurfaceCreate), 2239 VMSTATE_UINT32(height, QXLSurfaceCreate), 2240 VMSTATE_INT32(stride, QXLSurfaceCreate), 2241 VMSTATE_UINT32(format, QXLSurfaceCreate), 2242 VMSTATE_UINT32(position, QXLSurfaceCreate), 2243 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), 2244 VMSTATE_UINT32(flags, QXLSurfaceCreate), 2245 VMSTATE_UINT32(type, QXLSurfaceCreate), 2246 VMSTATE_UINT64(mem, QXLSurfaceCreate), 2247 VMSTATE_END_OF_LIST() 2248 } 2249 }; 2250 2251 static VMStateDescription qxl_vmstate_monitors_config = { 2252 .name = "qxl/monitors-config", 2253 .version_id = 1, 2254 .minimum_version_id = 1, 2255 .fields = (VMStateField[]) { 2256 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), 2257 VMSTATE_END_OF_LIST() 2258 }, 2259 }; 2260 2261 static VMStateDescription qxl_vmstate = { 2262 .name = "qxl", 2263 .version_id = QXL_SAVE_VERSION, 2264 .minimum_version_id = QXL_SAVE_VERSION, 2265 .pre_save = qxl_pre_save, 2266 .pre_load = qxl_pre_load, 2267 .post_load = qxl_post_load, 2268 .fields = (VMStateField[]) { 2269 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), 2270 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), 2271 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), 2272 VMSTATE_UINT32(num_free_res, PCIQXLDevice), 2273 VMSTATE_UINT32(last_release_offset, PCIQXLDevice), 2274 VMSTATE_UINT32(mode, PCIQXLDevice), 2275 VMSTATE_UINT32(ssd.unique, PCIQXLDevice), 2276 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice), 2277 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0, 2278 qxl_memslot, struct guest_slots), 2279 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0, 2280 qxl_surface, QXLSurfaceCreate), 2281 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice), 2282 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, 2283 ssd.num_surfaces, 0, 2284 vmstate_info_uint64, uint64_t), 2285 VMSTATE_UINT64(guest_cursor, PCIQXLDevice), 2286 VMSTATE_END_OF_LIST() 2287 }, 2288 .subsections = (VMStateSubsection[]) { 2289 { 2290 .vmsd = &qxl_vmstate_monitors_config, 2291 .needed = qxl_monitors_config_needed, 2292 }, { 2293 /* empty */ 2294 } 2295 } 2296 }; 2297 2298 static Property qxl_properties[] = { 2299 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 2300 64 * 1024 * 1024), 2301 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size, 2302 64 * 1024 * 1024), 2303 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2304 QXL_DEFAULT_REVISION), 2305 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), 2306 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), 2307 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), 2308 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), 2309 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), 2310 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), 2311 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), 2312 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), 2313 DEFINE_PROP_END_OF_LIST(), 2314 }; 2315 2316 static void qxl_primary_class_init(ObjectClass *klass, void *data) 2317 { 2318 DeviceClass *dc = DEVICE_CLASS(klass); 2319 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2320 2321 k->no_hotplug = 1; 2322 k->init = qxl_init_primary; 2323 k->romfile = "vgabios-qxl.bin"; 2324 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2325 k->device_id = QXL_DEVICE_ID_STABLE; 2326 k->class_id = PCI_CLASS_DISPLAY_VGA; 2327 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2328 dc->desc = "Spice QXL GPU (primary, vga compatible)"; 2329 dc->reset = qxl_reset_handler; 2330 dc->vmsd = &qxl_vmstate; 2331 dc->props = qxl_properties; 2332 } 2333 2334 static const TypeInfo qxl_primary_info = { 2335 .name = "qxl-vga", 2336 .parent = TYPE_PCI_DEVICE, 2337 .instance_size = sizeof(PCIQXLDevice), 2338 .class_init = qxl_primary_class_init, 2339 }; 2340 2341 static void qxl_secondary_class_init(ObjectClass *klass, void *data) 2342 { 2343 DeviceClass *dc = DEVICE_CLASS(klass); 2344 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2345 2346 k->init = qxl_init_secondary; 2347 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2348 k->device_id = QXL_DEVICE_ID_STABLE; 2349 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2350 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2351 dc->desc = "Spice QXL GPU (secondary)"; 2352 dc->reset = qxl_reset_handler; 2353 dc->vmsd = &qxl_vmstate; 2354 dc->props = qxl_properties; 2355 } 2356 2357 static const TypeInfo qxl_secondary_info = { 2358 .name = "qxl", 2359 .parent = TYPE_PCI_DEVICE, 2360 .instance_size = sizeof(PCIQXLDevice), 2361 .class_init = qxl_secondary_class_init, 2362 }; 2363 2364 static void qxl_register_types(void) 2365 { 2366 type_register_static(&qxl_primary_info); 2367 type_register_static(&qxl_secondary_info); 2368 } 2369 2370 type_init(qxl_register_types) 2371