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 #include <stdint.h> 23 24 #include "qemu-common.h" 25 #include "qemu/timer.h" 26 #include "qemu/queue.h" 27 #include "qemu/atomic.h" 28 #include "monitor/monitor.h" 29 #include "sysemu/sysemu.h" 30 #include "trace.h" 31 32 #include "qxl.h" 33 34 /* 35 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as 36 * such can be changed by the guest, so to avoid a guest trigerrable 37 * abort we just qxl_set_guest_bug and set the return to NULL. Still 38 * it may happen as a result of emulator bug as well. 39 */ 40 #undef SPICE_RING_PROD_ITEM 41 #define SPICE_RING_PROD_ITEM(qxl, r, ret) { \ 42 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \ 43 if (prod >= ARRAY_SIZE((r)->items)) { \ 44 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \ 45 "%u >= %zu", prod, ARRAY_SIZE((r)->items)); \ 46 ret = NULL; \ 47 } else { \ 48 ret = &(r)->items[prod].el; \ 49 } \ 50 } 51 52 #undef SPICE_RING_CONS_ITEM 53 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \ 54 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \ 55 if (cons >= ARRAY_SIZE((r)->items)) { \ 56 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \ 57 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \ 58 ret = NULL; \ 59 } else { \ 60 ret = &(r)->items[cons].el; \ 61 } \ 62 } 63 64 #undef ALIGN 65 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) 66 67 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" 68 69 #define QXL_MODE(_x, _y, _b, _o) \ 70 { .x_res = _x, \ 71 .y_res = _y, \ 72 .bits = _b, \ 73 .stride = (_x) * (_b) / 8, \ 74 .x_mili = PIXEL_SIZE * (_x), \ 75 .y_mili = PIXEL_SIZE * (_y), \ 76 .orientation = _o, \ 77 } 78 79 #define QXL_MODE_16_32(x_res, y_res, orientation) \ 80 QXL_MODE(x_res, y_res, 16, orientation), \ 81 QXL_MODE(x_res, y_res, 32, orientation) 82 83 #define QXL_MODE_EX(x_res, y_res) \ 84 QXL_MODE_16_32(x_res, y_res, 0), \ 85 QXL_MODE_16_32(x_res, y_res, 1) 86 87 static QXLMode qxl_modes[] = { 88 QXL_MODE_EX(640, 480), 89 QXL_MODE_EX(800, 480), 90 QXL_MODE_EX(800, 600), 91 QXL_MODE_EX(832, 624), 92 QXL_MODE_EX(960, 640), 93 QXL_MODE_EX(1024, 600), 94 QXL_MODE_EX(1024, 768), 95 QXL_MODE_EX(1152, 864), 96 QXL_MODE_EX(1152, 870), 97 QXL_MODE_EX(1280, 720), 98 QXL_MODE_EX(1280, 760), 99 QXL_MODE_EX(1280, 768), 100 QXL_MODE_EX(1280, 800), 101 QXL_MODE_EX(1280, 960), 102 QXL_MODE_EX(1280, 1024), 103 QXL_MODE_EX(1360, 768), 104 QXL_MODE_EX(1366, 768), 105 QXL_MODE_EX(1400, 1050), 106 QXL_MODE_EX(1440, 900), 107 QXL_MODE_EX(1600, 900), 108 QXL_MODE_EX(1600, 1200), 109 QXL_MODE_EX(1680, 1050), 110 QXL_MODE_EX(1920, 1080), 111 /* these modes need more than 8 MB video memory */ 112 QXL_MODE_EX(1920, 1200), 113 QXL_MODE_EX(1920, 1440), 114 QXL_MODE_EX(2000, 2000), 115 QXL_MODE_EX(2048, 1536), 116 QXL_MODE_EX(2048, 2048), 117 QXL_MODE_EX(2560, 1440), 118 QXL_MODE_EX(2560, 1600), 119 /* these modes need more than 16 MB video memory */ 120 QXL_MODE_EX(2560, 2048), 121 QXL_MODE_EX(2800, 2100), 122 QXL_MODE_EX(3200, 2400), 123 /* these modes need more than 32 MB video memory */ 124 QXL_MODE_EX(3840, 2160), /* 4k mainstream */ 125 QXL_MODE_EX(4096, 2160), /* 4k */ 126 /* these modes need more than 64 MB video memory */ 127 QXL_MODE_EX(7680, 4320), /* 8k mainstream */ 128 /* these modes need more than 128 MB video memory */ 129 QXL_MODE_EX(8192, 4320), /* 8k */ 130 }; 131 132 static void qxl_send_events(PCIQXLDevice *d, uint32_t events); 133 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async); 134 static void qxl_reset_memslots(PCIQXLDevice *d); 135 static void qxl_reset_surfaces(PCIQXLDevice *d); 136 static void qxl_ring_set_dirty(PCIQXLDevice *qxl); 137 138 static void qxl_hw_update(void *opaque); 139 140 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...) 141 { 142 trace_qxl_set_guest_bug(qxl->id); 143 qxl_send_events(qxl, QXL_INTERRUPT_ERROR); 144 qxl->guest_bug = 1; 145 if (qxl->guestdebug) { 146 va_list ap; 147 va_start(ap, msg); 148 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id); 149 vfprintf(stderr, msg, ap); 150 fprintf(stderr, "\n"); 151 va_end(ap); 152 } 153 } 154 155 static void qxl_clear_guest_bug(PCIQXLDevice *qxl) 156 { 157 qxl->guest_bug = 0; 158 } 159 160 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id, 161 struct QXLRect *area, struct QXLRect *dirty_rects, 162 uint32_t num_dirty_rects, 163 uint32_t clear_dirty_region, 164 qxl_async_io async, struct QXLCookie *cookie) 165 { 166 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right, 167 area->top, area->bottom); 168 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects, 169 clear_dirty_region); 170 if (async == QXL_SYNC) { 171 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area, 172 dirty_rects, num_dirty_rects, clear_dirty_region); 173 } else { 174 assert(cookie != NULL); 175 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area, 176 clear_dirty_region, (uintptr_t)cookie); 177 } 178 } 179 180 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl, 181 uint32_t id) 182 { 183 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id); 184 qemu_mutex_lock(&qxl->track_lock); 185 qxl->guest_surfaces.cmds[id] = 0; 186 qxl->guest_surfaces.count--; 187 qemu_mutex_unlock(&qxl->track_lock); 188 } 189 190 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id, 191 qxl_async_io async) 192 { 193 QXLCookie *cookie; 194 195 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async); 196 if (async) { 197 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 198 QXL_IO_DESTROY_SURFACE_ASYNC); 199 cookie->u.surface_id = id; 200 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie); 201 } else { 202 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id); 203 qxl_spice_destroy_surface_wait_complete(qxl, id); 204 } 205 } 206 207 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl) 208 { 209 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count, 210 qxl->num_free_res); 211 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl, 212 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 213 QXL_IO_FLUSH_SURFACES_ASYNC)); 214 } 215 216 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext, 217 uint32_t count) 218 { 219 trace_qxl_spice_loadvm_commands(qxl->id, ext, count); 220 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count); 221 } 222 223 void qxl_spice_oom(PCIQXLDevice *qxl) 224 { 225 trace_qxl_spice_oom(qxl->id); 226 spice_qxl_oom(&qxl->ssd.qxl); 227 } 228 229 void qxl_spice_reset_memslots(PCIQXLDevice *qxl) 230 { 231 trace_qxl_spice_reset_memslots(qxl->id); 232 spice_qxl_reset_memslots(&qxl->ssd.qxl); 233 } 234 235 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl) 236 { 237 trace_qxl_spice_destroy_surfaces_complete(qxl->id); 238 qemu_mutex_lock(&qxl->track_lock); 239 memset(qxl->guest_surfaces.cmds, 0, 240 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces); 241 qxl->guest_surfaces.count = 0; 242 qemu_mutex_unlock(&qxl->track_lock); 243 } 244 245 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async) 246 { 247 trace_qxl_spice_destroy_surfaces(qxl->id, async); 248 if (async) { 249 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl, 250 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 251 QXL_IO_DESTROY_ALL_SURFACES_ASYNC)); 252 } else { 253 spice_qxl_destroy_surfaces(&qxl->ssd.qxl); 254 qxl_spice_destroy_surfaces_complete(qxl); 255 } 256 } 257 258 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay) 259 { 260 trace_qxl_spice_monitors_config(qxl->id); 261 if (replay) { 262 /* 263 * don't use QXL_COOKIE_TYPE_IO: 264 * - we are not running yet (post_load), we will assert 265 * in send_events 266 * - this is not a guest io, but a reply, so async_io isn't set. 267 */ 268 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 269 qxl->guest_monitors_config, 270 MEMSLOT_GROUP_GUEST, 271 (uintptr_t)qxl_cookie_new( 272 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 273 0)); 274 } else { 275 qxl->guest_monitors_config = qxl->ram->monitors_config; 276 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 277 qxl->ram->monitors_config, 278 MEMSLOT_GROUP_GUEST, 279 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 280 QXL_IO_MONITORS_CONFIG_ASYNC)); 281 } 282 } 283 284 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl) 285 { 286 trace_qxl_spice_reset_image_cache(qxl->id); 287 spice_qxl_reset_image_cache(&qxl->ssd.qxl); 288 } 289 290 void qxl_spice_reset_cursor(PCIQXLDevice *qxl) 291 { 292 trace_qxl_spice_reset_cursor(qxl->id); 293 spice_qxl_reset_cursor(&qxl->ssd.qxl); 294 qemu_mutex_lock(&qxl->track_lock); 295 qxl->guest_cursor = 0; 296 qemu_mutex_unlock(&qxl->track_lock); 297 if (qxl->ssd.cursor) { 298 cursor_put(qxl->ssd.cursor); 299 } 300 qxl->ssd.cursor = cursor_builtin_hidden(); 301 } 302 303 static ram_addr_t qxl_rom_size(void) 304 { 305 uint32_t required_rom_size = sizeof(QXLRom) + sizeof(QXLModes) + 306 sizeof(qxl_modes); 307 uint32_t rom_size = 8192; /* two pages */ 308 309 QEMU_BUILD_BUG_ON(required_rom_size > rom_size); 310 return rom_size; 311 } 312 313 static void init_qxl_rom(PCIQXLDevice *d) 314 { 315 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); 316 QXLModes *modes = (QXLModes *)(rom + 1); 317 uint32_t ram_header_size; 318 uint32_t surface0_area_size; 319 uint32_t num_pages; 320 uint32_t fb; 321 int i, n; 322 323 memset(rom, 0, d->rom_size); 324 325 rom->magic = cpu_to_le32(QXL_ROM_MAGIC); 326 rom->id = cpu_to_le32(d->id); 327 rom->log_level = cpu_to_le32(d->guestdebug); 328 rom->modes_offset = cpu_to_le32(sizeof(QXLRom)); 329 330 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; 331 rom->slot_id_bits = MEMSLOT_SLOT_BITS; 332 rom->slots_start = 1; 333 rom->slots_end = NUM_MEMSLOTS - 1; 334 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); 335 336 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { 337 fb = qxl_modes[i].y_res * qxl_modes[i].stride; 338 if (fb > d->vgamem_size) { 339 continue; 340 } 341 modes->modes[n].id = cpu_to_le32(i); 342 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); 343 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); 344 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); 345 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); 346 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); 347 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); 348 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); 349 n++; 350 } 351 modes->n_modes = cpu_to_le32(n); 352 353 ram_header_size = ALIGN(sizeof(QXLRam), 4096); 354 surface0_area_size = ALIGN(d->vgamem_size, 4096); 355 num_pages = d->vga.vram_size; 356 num_pages -= ram_header_size; 357 num_pages -= surface0_area_size; 358 num_pages = num_pages / QXL_PAGE_SIZE; 359 360 assert(ram_header_size + surface0_area_size <= d->vga.vram_size); 361 362 rom->draw_area_offset = cpu_to_le32(0); 363 rom->surface0_area_size = cpu_to_le32(surface0_area_size); 364 rom->pages_offset = cpu_to_le32(surface0_area_size); 365 rom->num_pages = cpu_to_le32(num_pages); 366 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); 367 368 d->shadow_rom = *rom; 369 d->rom = rom; 370 d->modes = modes; 371 } 372 373 static void init_qxl_ram(PCIQXLDevice *d) 374 { 375 uint8_t *buf; 376 uint64_t *item; 377 378 buf = d->vga.vram_ptr; 379 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); 380 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); 381 d->ram->int_pending = cpu_to_le32(0); 382 d->ram->int_mask = cpu_to_le32(0); 383 d->ram->update_surface = 0; 384 d->ram->monitors_config = 0; 385 SPICE_RING_INIT(&d->ram->cmd_ring); 386 SPICE_RING_INIT(&d->ram->cursor_ring); 387 SPICE_RING_INIT(&d->ram->release_ring); 388 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item); 389 assert(item); 390 *item = 0; 391 qxl_ring_set_dirty(d); 392 } 393 394 /* can be called from spice server thread context */ 395 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) 396 { 397 memory_region_set_dirty(mr, addr, end - addr); 398 } 399 400 static void qxl_rom_set_dirty(PCIQXLDevice *qxl) 401 { 402 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size); 403 } 404 405 /* called from spice server thread context only */ 406 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) 407 { 408 void *base = qxl->vga.vram_ptr; 409 intptr_t offset; 410 411 offset = ptr - base; 412 assert(offset < qxl->vga.vram_size); 413 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3); 414 } 415 416 /* can be called from spice server thread context */ 417 static void qxl_ring_set_dirty(PCIQXLDevice *qxl) 418 { 419 ram_addr_t addr = qxl->shadow_rom.ram_header_offset; 420 ram_addr_t end = qxl->vga.vram_size; 421 qxl_set_dirty(&qxl->vga.vram, addr, end); 422 } 423 424 /* 425 * keep track of some command state, for savevm/loadvm. 426 * called from spice server thread context only 427 */ 428 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) 429 { 430 switch (le32_to_cpu(ext->cmd.type)) { 431 case QXL_CMD_SURFACE: 432 { 433 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 434 435 if (!cmd) { 436 return 1; 437 } 438 uint32_t id = le32_to_cpu(cmd->surface_id); 439 440 if (id >= qxl->ssd.num_surfaces) { 441 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id, 442 qxl->ssd.num_surfaces); 443 return 1; 444 } 445 if (cmd->type == QXL_SURFACE_CMD_CREATE && 446 (cmd->u.surface_create.stride & 0x03) != 0) { 447 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n", 448 cmd->u.surface_create.stride); 449 return 1; 450 } 451 qemu_mutex_lock(&qxl->track_lock); 452 if (cmd->type == QXL_SURFACE_CMD_CREATE) { 453 qxl->guest_surfaces.cmds[id] = ext->cmd.data; 454 qxl->guest_surfaces.count++; 455 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) 456 qxl->guest_surfaces.max = qxl->guest_surfaces.count; 457 } 458 if (cmd->type == QXL_SURFACE_CMD_DESTROY) { 459 qxl->guest_surfaces.cmds[id] = 0; 460 qxl->guest_surfaces.count--; 461 } 462 qemu_mutex_unlock(&qxl->track_lock); 463 break; 464 } 465 case QXL_CMD_CURSOR: 466 { 467 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 468 469 if (!cmd) { 470 return 1; 471 } 472 if (cmd->type == QXL_CURSOR_SET) { 473 qemu_mutex_lock(&qxl->track_lock); 474 qxl->guest_cursor = ext->cmd.data; 475 qemu_mutex_unlock(&qxl->track_lock); 476 } 477 break; 478 } 479 } 480 return 0; 481 } 482 483 /* spice display interface callbacks */ 484 485 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) 486 { 487 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 488 489 trace_qxl_interface_attach_worker(qxl->id); 490 qxl->ssd.worker = qxl_worker; 491 } 492 493 static void interface_set_compression_level(QXLInstance *sin, int level) 494 { 495 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 496 497 trace_qxl_interface_set_compression_level(qxl->id, level); 498 qxl->shadow_rom.compression_level = cpu_to_le32(level); 499 qxl->rom->compression_level = cpu_to_le32(level); 500 qxl_rom_set_dirty(qxl); 501 } 502 503 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) 504 { 505 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 506 507 if (!qemu_spice_display_is_running(&qxl->ssd)) { 508 return; 509 } 510 511 trace_qxl_interface_set_mm_time(qxl->id, mm_time); 512 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time); 513 qxl->rom->mm_clock = cpu_to_le32(mm_time); 514 qxl_rom_set_dirty(qxl); 515 } 516 517 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) 518 { 519 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 520 521 trace_qxl_interface_get_init_info(qxl->id); 522 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; 523 info->memslot_id_bits = MEMSLOT_SLOT_BITS; 524 info->num_memslots = NUM_MEMSLOTS; 525 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; 526 info->internal_groupslot_id = 0; 527 info->qxl_ram_size = 528 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS; 529 info->n_surfaces = qxl->ssd.num_surfaces; 530 } 531 532 static const char *qxl_mode_to_string(int mode) 533 { 534 switch (mode) { 535 case QXL_MODE_COMPAT: 536 return "compat"; 537 case QXL_MODE_NATIVE: 538 return "native"; 539 case QXL_MODE_UNDEFINED: 540 return "undefined"; 541 case QXL_MODE_VGA: 542 return "vga"; 543 } 544 return "INVALID"; 545 } 546 547 static const char *io_port_to_string(uint32_t io_port) 548 { 549 if (io_port >= QXL_IO_RANGE_SIZE) { 550 return "out of range"; 551 } 552 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { 553 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD", 554 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR", 555 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA", 556 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ", 557 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM", 558 [QXL_IO_RESET] = "QXL_IO_RESET", 559 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE", 560 [QXL_IO_LOG] = "QXL_IO_LOG", 561 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD", 562 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL", 563 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY", 564 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY", 565 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY", 566 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY", 567 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT", 568 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES", 569 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC", 570 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC", 571 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC", 572 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC", 573 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC", 574 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC] 575 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC", 576 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC", 577 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE", 578 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC", 579 }; 580 return io_port_to_string[io_port]; 581 } 582 583 /* called from spice server thread context only */ 584 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) 585 { 586 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 587 SimpleSpiceUpdate *update; 588 QXLCommandRing *ring; 589 QXLCommand *cmd; 590 int notify, ret; 591 592 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); 593 594 switch (qxl->mode) { 595 case QXL_MODE_VGA: 596 ret = false; 597 qemu_mutex_lock(&qxl->ssd.lock); 598 update = QTAILQ_FIRST(&qxl->ssd.updates); 599 if (update != NULL) { 600 QTAILQ_REMOVE(&qxl->ssd.updates, update, next); 601 *ext = update->ext; 602 ret = true; 603 } 604 qemu_mutex_unlock(&qxl->ssd.lock); 605 if (ret) { 606 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 607 qxl_log_command(qxl, "vga", ext); 608 } 609 return ret; 610 case QXL_MODE_COMPAT: 611 case QXL_MODE_NATIVE: 612 case QXL_MODE_UNDEFINED: 613 ring = &qxl->ram->cmd_ring; 614 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) { 615 return false; 616 } 617 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 618 if (!cmd) { 619 return false; 620 } 621 ext->cmd = *cmd; 622 ext->group_id = MEMSLOT_GROUP_GUEST; 623 ext->flags = qxl->cmdflags; 624 SPICE_RING_POP(ring, notify); 625 qxl_ring_set_dirty(qxl); 626 if (notify) { 627 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); 628 } 629 qxl->guest_primary.commands++; 630 qxl_track_command(qxl, ext); 631 qxl_log_command(qxl, "cmd", ext); 632 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 633 return true; 634 default: 635 return false; 636 } 637 } 638 639 /* called from spice server thread context only */ 640 static int interface_req_cmd_notification(QXLInstance *sin) 641 { 642 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 643 int wait = 1; 644 645 trace_qxl_ring_command_req_notification(qxl->id); 646 switch (qxl->mode) { 647 case QXL_MODE_COMPAT: 648 case QXL_MODE_NATIVE: 649 case QXL_MODE_UNDEFINED: 650 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); 651 qxl_ring_set_dirty(qxl); 652 break; 653 default: 654 /* nothing */ 655 break; 656 } 657 return wait; 658 } 659 660 /* called from spice server thread context only */ 661 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) 662 { 663 QXLReleaseRing *ring = &d->ram->release_ring; 664 uint64_t *item; 665 int notify; 666 667 #define QXL_FREE_BUNCH_SIZE 32 668 669 if (ring->prod - ring->cons + 1 == ring->num_items) { 670 /* ring full -- can't push */ 671 return; 672 } 673 if (!flush && d->oom_running) { 674 /* collect everything from oom handler before pushing */ 675 return; 676 } 677 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) { 678 /* collect a bit more before pushing */ 679 return; 680 } 681 682 SPICE_RING_PUSH(ring, notify); 683 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), 684 d->guest_surfaces.count, d->num_free_res, 685 d->last_release, notify ? "yes" : "no"); 686 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, 687 ring->num_items, ring->prod, ring->cons); 688 if (notify) { 689 qxl_send_events(d, QXL_INTERRUPT_DISPLAY); 690 } 691 SPICE_RING_PROD_ITEM(d, ring, item); 692 if (!item) { 693 return; 694 } 695 *item = 0; 696 d->num_free_res = 0; 697 d->last_release = NULL; 698 qxl_ring_set_dirty(d); 699 } 700 701 /* called from spice server thread context only */ 702 static void interface_release_resource(QXLInstance *sin, 703 QXLReleaseInfoExt ext) 704 { 705 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 706 QXLReleaseRing *ring; 707 uint64_t *item, id; 708 709 if (ext.group_id == MEMSLOT_GROUP_HOST) { 710 /* host group -> vga mode update request */ 711 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id); 712 SimpleSpiceUpdate *update; 713 g_assert(cmdext->cmd.type == QXL_CMD_DRAW); 714 update = container_of(cmdext, SimpleSpiceUpdate, ext); 715 qemu_spice_destroy_update(&qxl->ssd, update); 716 return; 717 } 718 719 /* 720 * ext->info points into guest-visible memory 721 * pci bar 0, $command.release_info 722 */ 723 ring = &qxl->ram->release_ring; 724 SPICE_RING_PROD_ITEM(qxl, ring, item); 725 if (!item) { 726 return; 727 } 728 if (*item == 0) { 729 /* stick head into the ring */ 730 id = ext.info->id; 731 ext.info->next = 0; 732 qxl_ram_set_dirty(qxl, &ext.info->next); 733 *item = id; 734 qxl_ring_set_dirty(qxl); 735 } else { 736 /* append item to the list */ 737 qxl->last_release->next = ext.info->id; 738 qxl_ram_set_dirty(qxl, &qxl->last_release->next); 739 ext.info->next = 0; 740 qxl_ram_set_dirty(qxl, &ext.info->next); 741 } 742 qxl->last_release = ext.info; 743 qxl->num_free_res++; 744 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); 745 qxl_push_free_res(qxl, 0); 746 } 747 748 /* called from spice server thread context only */ 749 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) 750 { 751 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 752 QXLCursorRing *ring; 753 QXLCommand *cmd; 754 int notify; 755 756 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); 757 758 switch (qxl->mode) { 759 case QXL_MODE_COMPAT: 760 case QXL_MODE_NATIVE: 761 case QXL_MODE_UNDEFINED: 762 ring = &qxl->ram->cursor_ring; 763 if (SPICE_RING_IS_EMPTY(ring)) { 764 return false; 765 } 766 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 767 if (!cmd) { 768 return false; 769 } 770 ext->cmd = *cmd; 771 ext->group_id = MEMSLOT_GROUP_GUEST; 772 ext->flags = qxl->cmdflags; 773 SPICE_RING_POP(ring, notify); 774 qxl_ring_set_dirty(qxl); 775 if (notify) { 776 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); 777 } 778 qxl->guest_primary.commands++; 779 qxl_track_command(qxl, ext); 780 qxl_log_command(qxl, "csr", ext); 781 if (qxl->id == 0) { 782 qxl_render_cursor(qxl, ext); 783 } 784 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); 785 return true; 786 default: 787 return false; 788 } 789 } 790 791 /* called from spice server thread context only */ 792 static int interface_req_cursor_notification(QXLInstance *sin) 793 { 794 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 795 int wait = 1; 796 797 trace_qxl_ring_cursor_req_notification(qxl->id); 798 switch (qxl->mode) { 799 case QXL_MODE_COMPAT: 800 case QXL_MODE_NATIVE: 801 case QXL_MODE_UNDEFINED: 802 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); 803 qxl_ring_set_dirty(qxl); 804 break; 805 default: 806 /* nothing */ 807 break; 808 } 809 return wait; 810 } 811 812 /* called from spice server thread context */ 813 static void interface_notify_update(QXLInstance *sin, uint32_t update_id) 814 { 815 /* 816 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in 817 * use by xf86-video-qxl and is defined out in the qxl windows driver. 818 * Probably was at some earlier version that is prior to git start (2009), 819 * and is still guest trigerrable. 820 */ 821 fprintf(stderr, "%s: deprecated\n", __func__); 822 } 823 824 /* called from spice server thread context only */ 825 static int interface_flush_resources(QXLInstance *sin) 826 { 827 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 828 int ret; 829 830 ret = qxl->num_free_res; 831 if (ret) { 832 qxl_push_free_res(qxl, 1); 833 } 834 return ret; 835 } 836 837 static void qxl_create_guest_primary_complete(PCIQXLDevice *d); 838 839 /* called from spice server thread context only */ 840 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) 841 { 842 uint32_t current_async; 843 844 qemu_mutex_lock(&qxl->async_lock); 845 current_async = qxl->current_async; 846 qxl->current_async = QXL_UNDEFINED_IO; 847 qemu_mutex_unlock(&qxl->async_lock); 848 849 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); 850 if (!cookie) { 851 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__); 852 return; 853 } 854 if (cookie && current_async != cookie->io) { 855 fprintf(stderr, 856 "qxl: %s: error: current_async = %d != %" 857 PRId64 " = cookie->io\n", __func__, current_async, cookie->io); 858 } 859 switch (current_async) { 860 case QXL_IO_MEMSLOT_ADD_ASYNC: 861 case QXL_IO_DESTROY_PRIMARY_ASYNC: 862 case QXL_IO_UPDATE_AREA_ASYNC: 863 case QXL_IO_FLUSH_SURFACES_ASYNC: 864 case QXL_IO_MONITORS_CONFIG_ASYNC: 865 break; 866 case QXL_IO_CREATE_PRIMARY_ASYNC: 867 qxl_create_guest_primary_complete(qxl); 868 break; 869 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 870 qxl_spice_destroy_surfaces_complete(qxl); 871 break; 872 case QXL_IO_DESTROY_SURFACE_ASYNC: 873 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); 874 break; 875 default: 876 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__, 877 current_async); 878 } 879 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); 880 } 881 882 /* called from spice server thread context only */ 883 static void interface_update_area_complete(QXLInstance *sin, 884 uint32_t surface_id, 885 QXLRect *dirty, uint32_t num_updated_rects) 886 { 887 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 888 int i; 889 int qxl_i; 890 891 qemu_mutex_lock(&qxl->ssd.lock); 892 if (surface_id != 0 || !qxl->render_update_cookie_num) { 893 qemu_mutex_unlock(&qxl->ssd.lock); 894 return; 895 } 896 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, 897 dirty->right, dirty->top, dirty->bottom); 898 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); 899 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) { 900 /* 901 * overflow - treat this as a full update. Not expected to be common. 902 */ 903 trace_qxl_interface_update_area_complete_overflow(qxl->id, 904 QXL_NUM_DIRTY_RECTS); 905 qxl->guest_primary.resized = 1; 906 } 907 if (qxl->guest_primary.resized) { 908 /* 909 * Don't bother copying or scheduling the bh since we will flip 910 * the whole area anyway on completion of the update_area async call 911 */ 912 qemu_mutex_unlock(&qxl->ssd.lock); 913 return; 914 } 915 qxl_i = qxl->num_dirty_rects; 916 for (i = 0; i < num_updated_rects; i++) { 917 qxl->dirty[qxl_i++] = dirty[i]; 918 } 919 qxl->num_dirty_rects += num_updated_rects; 920 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, 921 qxl->num_dirty_rects); 922 qemu_bh_schedule(qxl->update_area_bh); 923 qemu_mutex_unlock(&qxl->ssd.lock); 924 } 925 926 /* called from spice server thread context only */ 927 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) 928 { 929 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 930 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; 931 932 switch (cookie->type) { 933 case QXL_COOKIE_TYPE_IO: 934 interface_async_complete_io(qxl, cookie); 935 g_free(cookie); 936 break; 937 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA: 938 qxl_render_update_area_done(qxl, cookie); 939 break; 940 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG: 941 break; 942 default: 943 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n", 944 __func__, cookie->type); 945 g_free(cookie); 946 } 947 } 948 949 /* called from spice server thread context only */ 950 static void interface_set_client_capabilities(QXLInstance *sin, 951 uint8_t client_present, 952 uint8_t caps[58]) 953 { 954 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 955 956 if (qxl->revision < 4) { 957 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, 958 qxl->revision); 959 return; 960 } 961 962 if (runstate_check(RUN_STATE_INMIGRATE) || 963 runstate_check(RUN_STATE_POSTMIGRATE)) { 964 return; 965 } 966 967 qxl->shadow_rom.client_present = client_present; 968 memcpy(qxl->shadow_rom.client_capabilities, caps, 969 sizeof(qxl->shadow_rom.client_capabilities)); 970 qxl->rom->client_present = client_present; 971 memcpy(qxl->rom->client_capabilities, caps, 972 sizeof(qxl->rom->client_capabilities)); 973 qxl_rom_set_dirty(qxl); 974 975 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); 976 } 977 978 static uint32_t qxl_crc32(const uint8_t *p, unsigned len) 979 { 980 /* 981 * zlib xors the seed with 0xffffffff, and xors the result 982 * again with 0xffffffff; Both are not done with linux's crc32, 983 * which we want to be compatible with, so undo that. 984 */ 985 return crc32(0xffffffff, p, len) ^ 0xffffffff; 986 } 987 988 /* called from main context only */ 989 static int interface_client_monitors_config(QXLInstance *sin, 990 VDAgentMonitorsConfig *monitors_config) 991 { 992 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 993 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); 994 int i; 995 996 if (qxl->revision < 4) { 997 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, 998 qxl->revision); 999 return 0; 1000 } 1001 /* 1002 * Older windows drivers set int_mask to 0 when their ISR is called, 1003 * then later set it to ~0. So it doesn't relate to the actual interrupts 1004 * handled. However, they are old, so clearly they don't support this 1005 * interrupt 1006 */ 1007 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || 1008 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { 1009 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, 1010 qxl->ram->int_mask, 1011 monitors_config); 1012 return 0; 1013 } 1014 if (!monitors_config) { 1015 return 1; 1016 } 1017 memset(&rom->client_monitors_config, 0, 1018 sizeof(rom->client_monitors_config)); 1019 rom->client_monitors_config.count = monitors_config->num_of_monitors; 1020 /* monitors_config->flags ignored */ 1021 if (rom->client_monitors_config.count >= 1022 ARRAY_SIZE(rom->client_monitors_config.heads)) { 1023 trace_qxl_client_monitors_config_capped(qxl->id, 1024 monitors_config->num_of_monitors, 1025 ARRAY_SIZE(rom->client_monitors_config.heads)); 1026 rom->client_monitors_config.count = 1027 ARRAY_SIZE(rom->client_monitors_config.heads); 1028 } 1029 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1030 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1031 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1032 /* monitor->depth ignored */ 1033 rect->left = monitor->x; 1034 rect->top = monitor->y; 1035 rect->right = monitor->x + monitor->width; 1036 rect->bottom = monitor->y + monitor->height; 1037 } 1038 rom->client_monitors_config_crc = qxl_crc32( 1039 (const uint8_t *)&rom->client_monitors_config, 1040 sizeof(rom->client_monitors_config)); 1041 trace_qxl_client_monitors_config_crc(qxl->id, 1042 sizeof(rom->client_monitors_config), 1043 rom->client_monitors_config_crc); 1044 1045 trace_qxl_interrupt_client_monitors_config(qxl->id, 1046 rom->client_monitors_config.count, 1047 rom->client_monitors_config.heads); 1048 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); 1049 return 1; 1050 } 1051 1052 static const QXLInterface qxl_interface = { 1053 .base.type = SPICE_INTERFACE_QXL, 1054 .base.description = "qxl gpu", 1055 .base.major_version = SPICE_INTERFACE_QXL_MAJOR, 1056 .base.minor_version = SPICE_INTERFACE_QXL_MINOR, 1057 1058 .attache_worker = interface_attach_worker, 1059 .set_compression_level = interface_set_compression_level, 1060 .set_mm_time = interface_set_mm_time, 1061 .get_init_info = interface_get_init_info, 1062 1063 /* the callbacks below are called from spice server thread context */ 1064 .get_command = interface_get_command, 1065 .req_cmd_notification = interface_req_cmd_notification, 1066 .release_resource = interface_release_resource, 1067 .get_cursor_command = interface_get_cursor_command, 1068 .req_cursor_notification = interface_req_cursor_notification, 1069 .notify_update = interface_notify_update, 1070 .flush_resources = interface_flush_resources, 1071 .async_complete = interface_async_complete, 1072 .update_area_complete = interface_update_area_complete, 1073 .set_client_capabilities = interface_set_client_capabilities, 1074 .client_monitors_config = interface_client_monitors_config, 1075 }; 1076 1077 static const GraphicHwOps qxl_ops = { 1078 .gfx_update = qxl_hw_update, 1079 }; 1080 1081 static void qxl_enter_vga_mode(PCIQXLDevice *d) 1082 { 1083 if (d->mode == QXL_MODE_VGA) { 1084 return; 1085 } 1086 trace_qxl_enter_vga_mode(d->id); 1087 #if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */ 1088 spice_qxl_driver_unload(&d->ssd.qxl); 1089 #endif 1090 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga); 1091 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT); 1092 qemu_spice_create_host_primary(&d->ssd); 1093 d->mode = QXL_MODE_VGA; 1094 vga_dirty_log_start(&d->vga); 1095 graphic_hw_update(d->vga.con); 1096 } 1097 1098 static void qxl_exit_vga_mode(PCIQXLDevice *d) 1099 { 1100 if (d->mode != QXL_MODE_VGA) { 1101 return; 1102 } 1103 trace_qxl_exit_vga_mode(d->id); 1104 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d); 1105 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE); 1106 vga_dirty_log_stop(&d->vga); 1107 qxl_destroy_primary(d, QXL_SYNC); 1108 } 1109 1110 static void qxl_update_irq(PCIQXLDevice *d) 1111 { 1112 uint32_t pending = le32_to_cpu(d->ram->int_pending); 1113 uint32_t mask = le32_to_cpu(d->ram->int_mask); 1114 int level = !!(pending & mask); 1115 pci_set_irq(&d->pci, level); 1116 qxl_ring_set_dirty(d); 1117 } 1118 1119 static void qxl_check_state(PCIQXLDevice *d) 1120 { 1121 QXLRam *ram = d->ram; 1122 int spice_display_running = qemu_spice_display_is_running(&d->ssd); 1123 1124 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); 1125 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); 1126 } 1127 1128 static void qxl_reset_state(PCIQXLDevice *d) 1129 { 1130 QXLRom *rom = d->rom; 1131 1132 qxl_check_state(d); 1133 d->shadow_rom.update_id = cpu_to_le32(0); 1134 *rom = d->shadow_rom; 1135 qxl_rom_set_dirty(d); 1136 init_qxl_ram(d); 1137 d->num_free_res = 0; 1138 d->last_release = NULL; 1139 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); 1140 qxl_update_irq(d); 1141 } 1142 1143 static void qxl_soft_reset(PCIQXLDevice *d) 1144 { 1145 trace_qxl_soft_reset(d->id); 1146 qxl_check_state(d); 1147 qxl_clear_guest_bug(d); 1148 d->current_async = QXL_UNDEFINED_IO; 1149 1150 if (d->id == 0) { 1151 qxl_enter_vga_mode(d); 1152 } else { 1153 d->mode = QXL_MODE_UNDEFINED; 1154 } 1155 } 1156 1157 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) 1158 { 1159 bool startstop = qemu_spice_display_is_running(&d->ssd); 1160 1161 trace_qxl_hard_reset(d->id, loadvm); 1162 1163 if (startstop) { 1164 qemu_spice_display_stop(); 1165 } 1166 1167 qxl_spice_reset_cursor(d); 1168 qxl_spice_reset_image_cache(d); 1169 qxl_reset_surfaces(d); 1170 qxl_reset_memslots(d); 1171 1172 /* pre loadvm reset must not touch QXLRam. This lives in 1173 * device memory, is migrated together with RAM and thus 1174 * already loaded at this point */ 1175 if (!loadvm) { 1176 qxl_reset_state(d); 1177 } 1178 qemu_spice_create_host_memslot(&d->ssd); 1179 qxl_soft_reset(d); 1180 1181 if (startstop) { 1182 qemu_spice_display_start(); 1183 } 1184 } 1185 1186 static void qxl_reset_handler(DeviceState *dev) 1187 { 1188 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev)); 1189 1190 qxl_hard_reset(d, 0); 1191 } 1192 1193 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) 1194 { 1195 VGACommonState *vga = opaque; 1196 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); 1197 1198 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); 1199 if (qxl->mode != QXL_MODE_VGA) { 1200 qxl_destroy_primary(qxl, QXL_SYNC); 1201 qxl_soft_reset(qxl); 1202 } 1203 vga_ioport_write(opaque, addr, val); 1204 } 1205 1206 static const MemoryRegionPortio qxl_vga_portio_list[] = { 1207 { 0x04, 2, 1, .read = vga_ioport_read, 1208 .write = qxl_vga_ioport_write }, /* 3b4 */ 1209 { 0x0a, 1, 1, .read = vga_ioport_read, 1210 .write = qxl_vga_ioport_write }, /* 3ba */ 1211 { 0x10, 16, 1, .read = vga_ioport_read, 1212 .write = qxl_vga_ioport_write }, /* 3c0 */ 1213 { 0x24, 2, 1, .read = vga_ioport_read, 1214 .write = qxl_vga_ioport_write }, /* 3d4 */ 1215 { 0x2a, 1, 1, .read = vga_ioport_read, 1216 .write = qxl_vga_ioport_write }, /* 3da */ 1217 PORTIO_END_OF_LIST(), 1218 }; 1219 1220 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, 1221 qxl_async_io async) 1222 { 1223 static const int regions[] = { 1224 QXL_RAM_RANGE_INDEX, 1225 QXL_VRAM_RANGE_INDEX, 1226 QXL_VRAM64_RANGE_INDEX, 1227 }; 1228 uint64_t guest_start; 1229 uint64_t guest_end; 1230 int pci_region; 1231 pcibus_t pci_start; 1232 pcibus_t pci_end; 1233 intptr_t virt_start; 1234 QXLDevMemSlot memslot; 1235 int i; 1236 1237 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); 1238 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); 1239 1240 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); 1241 1242 if (slot_id >= NUM_MEMSLOTS) { 1243 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__, 1244 slot_id, NUM_MEMSLOTS); 1245 return 1; 1246 } 1247 if (guest_start > guest_end) { 1248 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64 1249 " > 0x%" PRIx64, __func__, guest_start, guest_end); 1250 return 1; 1251 } 1252 1253 for (i = 0; i < ARRAY_SIZE(regions); i++) { 1254 pci_region = regions[i]; 1255 pci_start = d->pci.io_regions[pci_region].addr; 1256 pci_end = pci_start + d->pci.io_regions[pci_region].size; 1257 /* mapped? */ 1258 if (pci_start == -1) { 1259 continue; 1260 } 1261 /* start address in range ? */ 1262 if (guest_start < pci_start || guest_start > pci_end) { 1263 continue; 1264 } 1265 /* end address in range ? */ 1266 if (guest_end > pci_end) { 1267 continue; 1268 } 1269 /* passed */ 1270 break; 1271 } 1272 if (i == ARRAY_SIZE(regions)) { 1273 qxl_set_guest_bug(d, "%s: finished loop without match", __func__); 1274 return 1; 1275 } 1276 1277 switch (pci_region) { 1278 case QXL_RAM_RANGE_INDEX: 1279 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vga.vram); 1280 break; 1281 case QXL_VRAM_RANGE_INDEX: 1282 case 4 /* vram 64bit */: 1283 virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vram_bar); 1284 break; 1285 default: 1286 /* should not happen */ 1287 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); 1288 return 1; 1289 } 1290 1291 memslot.slot_id = slot_id; 1292 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */ 1293 memslot.virt_start = virt_start + (guest_start - pci_start); 1294 memslot.virt_end = virt_start + (guest_end - pci_start); 1295 memslot.addr_delta = memslot.virt_start - delta; 1296 memslot.generation = d->rom->slot_generation = 0; 1297 qxl_rom_set_dirty(d); 1298 1299 qemu_spice_add_memslot(&d->ssd, &memslot, async); 1300 d->guest_slots[slot_id].ptr = (void*)memslot.virt_start; 1301 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; 1302 d->guest_slots[slot_id].delta = delta; 1303 d->guest_slots[slot_id].active = 1; 1304 return 0; 1305 } 1306 1307 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) 1308 { 1309 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); 1310 d->guest_slots[slot_id].active = 0; 1311 } 1312 1313 static void qxl_reset_memslots(PCIQXLDevice *d) 1314 { 1315 qxl_spice_reset_memslots(d); 1316 memset(&d->guest_slots, 0, sizeof(d->guest_slots)); 1317 } 1318 1319 static void qxl_reset_surfaces(PCIQXLDevice *d) 1320 { 1321 trace_qxl_reset_surfaces(d->id); 1322 d->mode = QXL_MODE_UNDEFINED; 1323 qxl_spice_destroy_surfaces(d, QXL_SYNC); 1324 } 1325 1326 /* can be also called from spice server thread context */ 1327 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id) 1328 { 1329 uint64_t phys = le64_to_cpu(pqxl); 1330 uint32_t slot = (phys >> (64 - 8)) & 0xff; 1331 uint64_t offset = phys & 0xffffffffffff; 1332 1333 switch (group_id) { 1334 case MEMSLOT_GROUP_HOST: 1335 return (void *)(intptr_t)offset; 1336 case MEMSLOT_GROUP_GUEST: 1337 if (slot >= NUM_MEMSLOTS) { 1338 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot, 1339 NUM_MEMSLOTS); 1340 return NULL; 1341 } 1342 if (!qxl->guest_slots[slot].active) { 1343 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot); 1344 return NULL; 1345 } 1346 if (offset < qxl->guest_slots[slot].delta) { 1347 qxl_set_guest_bug(qxl, 1348 "slot %d offset %"PRIu64" < delta %"PRIu64"\n", 1349 slot, offset, qxl->guest_slots[slot].delta); 1350 return NULL; 1351 } 1352 offset -= qxl->guest_slots[slot].delta; 1353 if (offset > qxl->guest_slots[slot].size) { 1354 qxl_set_guest_bug(qxl, 1355 "slot %d offset %"PRIu64" > size %"PRIu64"\n", 1356 slot, offset, qxl->guest_slots[slot].size); 1357 return NULL; 1358 } 1359 return qxl->guest_slots[slot].ptr + offset; 1360 } 1361 return NULL; 1362 } 1363 1364 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) 1365 { 1366 /* for local rendering */ 1367 qxl_render_resize(qxl); 1368 } 1369 1370 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, 1371 qxl_async_io async) 1372 { 1373 QXLDevSurfaceCreate surface; 1374 QXLSurfaceCreate *sc = &qxl->guest_primary.surface; 1375 uint32_t requested_height = le32_to_cpu(sc->height); 1376 int requested_stride = le32_to_cpu(sc->stride); 1377 1378 if (requested_stride == INT32_MIN || 1379 abs(requested_stride) * (uint64_t)requested_height 1380 > qxl->vgamem_size) { 1381 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer" 1382 " stride %d x height %" PRIu32 " > %" PRIu32, 1383 __func__, requested_stride, requested_height, 1384 qxl->vgamem_size); 1385 return; 1386 } 1387 1388 if (qxl->mode == QXL_MODE_NATIVE) { 1389 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE", 1390 __func__); 1391 } 1392 qxl_exit_vga_mode(qxl); 1393 1394 surface.format = le32_to_cpu(sc->format); 1395 surface.height = le32_to_cpu(sc->height); 1396 surface.mem = le64_to_cpu(sc->mem); 1397 surface.position = le32_to_cpu(sc->position); 1398 surface.stride = le32_to_cpu(sc->stride); 1399 surface.width = le32_to_cpu(sc->width); 1400 surface.type = le32_to_cpu(sc->type); 1401 surface.flags = le32_to_cpu(sc->flags); 1402 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, 1403 sc->format, sc->position); 1404 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, 1405 sc->flags); 1406 1407 if ((surface.stride & 0x3) != 0) { 1408 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0", 1409 surface.stride); 1410 return; 1411 } 1412 1413 surface.mouse_mode = true; 1414 surface.group_id = MEMSLOT_GROUP_GUEST; 1415 if (loadvm) { 1416 surface.flags |= QXL_SURF_FLAG_KEEP_DATA; 1417 } 1418 1419 qxl->mode = QXL_MODE_NATIVE; 1420 qxl->cmdflags = 0; 1421 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async); 1422 1423 if (async == QXL_SYNC) { 1424 qxl_create_guest_primary_complete(qxl); 1425 } 1426 } 1427 1428 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or 1429 * done (in QXL_SYNC case), 0 otherwise. */ 1430 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) 1431 { 1432 if (d->mode == QXL_MODE_UNDEFINED) { 1433 return 0; 1434 } 1435 trace_qxl_destroy_primary(d->id); 1436 d->mode = QXL_MODE_UNDEFINED; 1437 qemu_spice_destroy_primary_surface(&d->ssd, 0, async); 1438 qxl_spice_reset_cursor(d); 1439 return 1; 1440 } 1441 1442 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) 1443 { 1444 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1445 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; 1446 QXLMode *mode = d->modes->modes + modenr; 1447 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1448 QXLMemSlot slot = { 1449 .mem_start = start, 1450 .mem_end = end 1451 }; 1452 1453 if (modenr >= d->modes->n_modes) { 1454 qxl_set_guest_bug(d, "mode number out of range"); 1455 return; 1456 } 1457 1458 QXLSurfaceCreate surface = { 1459 .width = mode->x_res, 1460 .height = mode->y_res, 1461 .stride = -mode->x_res * 4, 1462 .format = SPICE_SURFACE_FMT_32_xRGB, 1463 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, 1464 .mouse_mode = true, 1465 .mem = devmem + d->shadow_rom.draw_area_offset, 1466 }; 1467 1468 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, 1469 devmem); 1470 if (!loadvm) { 1471 qxl_hard_reset(d, 0); 1472 } 1473 1474 d->guest_slots[0].slot = slot; 1475 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); 1476 1477 d->guest_primary.surface = surface; 1478 qxl_create_guest_primary(d, 0, QXL_SYNC); 1479 1480 d->mode = QXL_MODE_COMPAT; 1481 d->cmdflags = QXL_COMMAND_FLAG_COMPAT; 1482 if (mode->bits == 16) { 1483 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; 1484 } 1485 d->shadow_rom.mode = cpu_to_le32(modenr); 1486 d->rom->mode = cpu_to_le32(modenr); 1487 qxl_rom_set_dirty(d); 1488 } 1489 1490 static void ioport_write(void *opaque, hwaddr addr, 1491 uint64_t val, unsigned size) 1492 { 1493 PCIQXLDevice *d = opaque; 1494 uint32_t io_port = addr; 1495 qxl_async_io async = QXL_SYNC; 1496 uint32_t orig_io_port = io_port; 1497 1498 if (d->guest_bug && io_port != QXL_IO_RESET) { 1499 return; 1500 } 1501 1502 if (d->revision <= QXL_REVISION_STABLE_V10 && 1503 io_port > QXL_IO_FLUSH_RELEASE) { 1504 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n", 1505 io_port, d->revision); 1506 return; 1507 } 1508 1509 switch (io_port) { 1510 case QXL_IO_RESET: 1511 case QXL_IO_SET_MODE: 1512 case QXL_IO_MEMSLOT_ADD: 1513 case QXL_IO_MEMSLOT_DEL: 1514 case QXL_IO_CREATE_PRIMARY: 1515 case QXL_IO_UPDATE_IRQ: 1516 case QXL_IO_LOG: 1517 case QXL_IO_MEMSLOT_ADD_ASYNC: 1518 case QXL_IO_CREATE_PRIMARY_ASYNC: 1519 break; 1520 default: 1521 if (d->mode != QXL_MODE_VGA) { 1522 break; 1523 } 1524 trace_qxl_io_unexpected_vga_mode(d->id, 1525 addr, val, io_port_to_string(io_port)); 1526 /* be nice to buggy guest drivers */ 1527 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && 1528 io_port < QXL_IO_RANGE_SIZE) { 1529 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1530 } 1531 return; 1532 } 1533 1534 /* we change the io_port to avoid ifdeffery in the main switch */ 1535 orig_io_port = io_port; 1536 switch (io_port) { 1537 case QXL_IO_UPDATE_AREA_ASYNC: 1538 io_port = QXL_IO_UPDATE_AREA; 1539 goto async_common; 1540 case QXL_IO_MEMSLOT_ADD_ASYNC: 1541 io_port = QXL_IO_MEMSLOT_ADD; 1542 goto async_common; 1543 case QXL_IO_CREATE_PRIMARY_ASYNC: 1544 io_port = QXL_IO_CREATE_PRIMARY; 1545 goto async_common; 1546 case QXL_IO_DESTROY_PRIMARY_ASYNC: 1547 io_port = QXL_IO_DESTROY_PRIMARY; 1548 goto async_common; 1549 case QXL_IO_DESTROY_SURFACE_ASYNC: 1550 io_port = QXL_IO_DESTROY_SURFACE_WAIT; 1551 goto async_common; 1552 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 1553 io_port = QXL_IO_DESTROY_ALL_SURFACES; 1554 goto async_common; 1555 case QXL_IO_FLUSH_SURFACES_ASYNC: 1556 case QXL_IO_MONITORS_CONFIG_ASYNC: 1557 async_common: 1558 async = QXL_ASYNC; 1559 qemu_mutex_lock(&d->async_lock); 1560 if (d->current_async != QXL_UNDEFINED_IO) { 1561 qxl_set_guest_bug(d, "%d async started before last (%d) complete", 1562 io_port, d->current_async); 1563 qemu_mutex_unlock(&d->async_lock); 1564 return; 1565 } 1566 d->current_async = orig_io_port; 1567 qemu_mutex_unlock(&d->async_lock); 1568 break; 1569 default: 1570 break; 1571 } 1572 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), 1573 addr, io_port_to_string(addr), 1574 val, size, async); 1575 1576 switch (io_port) { 1577 case QXL_IO_UPDATE_AREA: 1578 { 1579 QXLCookie *cookie = NULL; 1580 QXLRect update = d->ram->update_area; 1581 1582 if (d->ram->update_surface > d->ssd.num_surfaces) { 1583 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n", 1584 d->ram->update_surface); 1585 break; 1586 } 1587 if (update.left >= update.right || update.top >= update.bottom || 1588 update.left < 0 || update.top < 0) { 1589 qxl_set_guest_bug(d, 1590 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n", 1591 update.left, update.top, update.right, update.bottom); 1592 if (update.left == update.right || update.top == update.bottom) { 1593 /* old drivers may provide empty area, keep going */ 1594 qxl_clear_guest_bug(d); 1595 goto cancel_async; 1596 } 1597 break; 1598 } 1599 if (async == QXL_ASYNC) { 1600 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 1601 QXL_IO_UPDATE_AREA_ASYNC); 1602 cookie->u.area = update; 1603 } 1604 qxl_spice_update_area(d, d->ram->update_surface, 1605 cookie ? &cookie->u.area : &update, 1606 NULL, 0, 0, async, cookie); 1607 break; 1608 } 1609 case QXL_IO_NOTIFY_CMD: 1610 qemu_spice_wakeup(&d->ssd); 1611 break; 1612 case QXL_IO_NOTIFY_CURSOR: 1613 qemu_spice_wakeup(&d->ssd); 1614 break; 1615 case QXL_IO_UPDATE_IRQ: 1616 qxl_update_irq(d); 1617 break; 1618 case QXL_IO_NOTIFY_OOM: 1619 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { 1620 break; 1621 } 1622 d->oom_running = 1; 1623 qxl_spice_oom(d); 1624 d->oom_running = 0; 1625 break; 1626 case QXL_IO_SET_MODE: 1627 qxl_set_mode(d, val, 0); 1628 break; 1629 case QXL_IO_LOG: 1630 trace_qxl_io_log(d->id, d->ram->log_buf); 1631 if (d->guestdebug) { 1632 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, 1633 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf); 1634 } 1635 break; 1636 case QXL_IO_RESET: 1637 qxl_hard_reset(d, 0); 1638 break; 1639 case QXL_IO_MEMSLOT_ADD: 1640 if (val >= NUM_MEMSLOTS) { 1641 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); 1642 break; 1643 } 1644 if (d->guest_slots[val].active) { 1645 qxl_set_guest_bug(d, 1646 "QXL_IO_MEMSLOT_ADD: memory slot already active"); 1647 break; 1648 } 1649 d->guest_slots[val].slot = d->ram->mem_slot; 1650 qxl_add_memslot(d, val, 0, async); 1651 break; 1652 case QXL_IO_MEMSLOT_DEL: 1653 if (val >= NUM_MEMSLOTS) { 1654 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); 1655 break; 1656 } 1657 qxl_del_memslot(d, val); 1658 break; 1659 case QXL_IO_CREATE_PRIMARY: 1660 if (val != 0) { 1661 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", 1662 async); 1663 goto cancel_async; 1664 } 1665 d->guest_primary.surface = d->ram->create_surface; 1666 qxl_create_guest_primary(d, 0, async); 1667 break; 1668 case QXL_IO_DESTROY_PRIMARY: 1669 if (val != 0) { 1670 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", 1671 async); 1672 goto cancel_async; 1673 } 1674 if (!qxl_destroy_primary(d, async)) { 1675 trace_qxl_io_destroy_primary_ignored(d->id, 1676 qxl_mode_to_string(d->mode)); 1677 goto cancel_async; 1678 } 1679 break; 1680 case QXL_IO_DESTROY_SURFACE_WAIT: 1681 if (val >= d->ssd.num_surfaces) { 1682 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" 1683 "%" PRIu64 " >= NUM_SURFACES", async, val); 1684 goto cancel_async; 1685 } 1686 qxl_spice_destroy_surface_wait(d, val, async); 1687 break; 1688 case QXL_IO_FLUSH_RELEASE: { 1689 QXLReleaseRing *ring = &d->ram->release_ring; 1690 if (ring->prod - ring->cons + 1 == ring->num_items) { 1691 fprintf(stderr, 1692 "ERROR: no flush, full release ring [p%d,%dc]\n", 1693 ring->prod, ring->cons); 1694 } 1695 qxl_push_free_res(d, 1 /* flush */); 1696 break; 1697 } 1698 case QXL_IO_FLUSH_SURFACES_ASYNC: 1699 qxl_spice_flush_surfaces_async(d); 1700 break; 1701 case QXL_IO_DESTROY_ALL_SURFACES: 1702 d->mode = QXL_MODE_UNDEFINED; 1703 qxl_spice_destroy_surfaces(d, async); 1704 break; 1705 case QXL_IO_MONITORS_CONFIG_ASYNC: 1706 qxl_spice_monitors_config_async(d, 0); 1707 break; 1708 default: 1709 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port); 1710 } 1711 return; 1712 cancel_async: 1713 if (async) { 1714 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1715 qemu_mutex_lock(&d->async_lock); 1716 d->current_async = QXL_UNDEFINED_IO; 1717 qemu_mutex_unlock(&d->async_lock); 1718 } 1719 } 1720 1721 static uint64_t ioport_read(void *opaque, hwaddr addr, 1722 unsigned size) 1723 { 1724 PCIQXLDevice *qxl = opaque; 1725 1726 trace_qxl_io_read_unexpected(qxl->id); 1727 return 0xff; 1728 } 1729 1730 static const MemoryRegionOps qxl_io_ops = { 1731 .read = ioport_read, 1732 .write = ioport_write, 1733 .valid = { 1734 .min_access_size = 1, 1735 .max_access_size = 1, 1736 }, 1737 }; 1738 1739 static void qxl_update_irq_bh(void *opaque) 1740 { 1741 PCIQXLDevice *d = opaque; 1742 qxl_update_irq(d); 1743 } 1744 1745 static void qxl_send_events(PCIQXLDevice *d, uint32_t events) 1746 { 1747 uint32_t old_pending; 1748 uint32_t le_events = cpu_to_le32(events); 1749 1750 trace_qxl_send_events(d->id, events); 1751 if (!qemu_spice_display_is_running(&d->ssd)) { 1752 /* spice-server tracks guest running state and should not do this */ 1753 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n", 1754 __func__); 1755 trace_qxl_send_events_vm_stopped(d->id, events); 1756 return; 1757 } 1758 old_pending = atomic_fetch_or(&d->ram->int_pending, le_events); 1759 if ((old_pending & le_events) == le_events) { 1760 return; 1761 } 1762 qemu_bh_schedule(d->update_irq); 1763 } 1764 1765 /* graphics console */ 1766 1767 static void qxl_hw_update(void *opaque) 1768 { 1769 PCIQXLDevice *qxl = opaque; 1770 1771 qxl_render_update(qxl); 1772 } 1773 1774 static void qxl_dirty_surfaces(PCIQXLDevice *qxl) 1775 { 1776 uintptr_t vram_start; 1777 int i; 1778 1779 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { 1780 return; 1781 } 1782 1783 /* dirty the primary surface */ 1784 qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset, 1785 qxl->shadow_rom.surface0_area_size); 1786 1787 vram_start = (uintptr_t)memory_region_get_ram_ptr(&qxl->vram_bar); 1788 1789 /* dirty the off-screen surfaces */ 1790 for (i = 0; i < qxl->ssd.num_surfaces; i++) { 1791 QXLSurfaceCmd *cmd; 1792 intptr_t surface_offset; 1793 int surface_size; 1794 1795 if (qxl->guest_surfaces.cmds[i] == 0) { 1796 continue; 1797 } 1798 1799 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], 1800 MEMSLOT_GROUP_GUEST); 1801 assert(cmd); 1802 assert(cmd->type == QXL_SURFACE_CMD_CREATE); 1803 surface_offset = (intptr_t)qxl_phys2virt(qxl, 1804 cmd->u.surface_create.data, 1805 MEMSLOT_GROUP_GUEST); 1806 assert(surface_offset); 1807 surface_offset -= vram_start; 1808 surface_size = cmd->u.surface_create.height * 1809 abs(cmd->u.surface_create.stride); 1810 trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset, surface_size); 1811 qxl_set_dirty(&qxl->vram_bar, surface_offset, surface_size); 1812 } 1813 } 1814 1815 static void qxl_vm_change_state_handler(void *opaque, int running, 1816 RunState state) 1817 { 1818 PCIQXLDevice *qxl = opaque; 1819 1820 if (running) { 1821 /* 1822 * if qxl_send_events was called from spice server context before 1823 * migration ended, qxl_update_irq for these events might not have been 1824 * called 1825 */ 1826 qxl_update_irq(qxl); 1827 } else { 1828 /* make sure surfaces are saved before migration */ 1829 qxl_dirty_surfaces(qxl); 1830 } 1831 } 1832 1833 /* display change listener */ 1834 1835 static void display_update(DisplayChangeListener *dcl, 1836 int x, int y, int w, int h) 1837 { 1838 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1839 1840 if (qxl->mode == QXL_MODE_VGA) { 1841 qemu_spice_display_update(&qxl->ssd, x, y, w, h); 1842 } 1843 } 1844 1845 static void display_switch(DisplayChangeListener *dcl, 1846 struct DisplaySurface *surface) 1847 { 1848 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1849 1850 qxl->ssd.ds = surface; 1851 if (qxl->mode == QXL_MODE_VGA) { 1852 qemu_spice_display_switch(&qxl->ssd, surface); 1853 } 1854 } 1855 1856 static void display_refresh(DisplayChangeListener *dcl) 1857 { 1858 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1859 1860 if (qxl->mode == QXL_MODE_VGA) { 1861 qemu_spice_display_refresh(&qxl->ssd); 1862 } 1863 } 1864 1865 static DisplayChangeListenerOps display_listener_ops = { 1866 .dpy_name = "spice/qxl", 1867 .dpy_gfx_update = display_update, 1868 .dpy_gfx_switch = display_switch, 1869 .dpy_refresh = display_refresh, 1870 }; 1871 1872 static void qxl_init_ramsize(PCIQXLDevice *qxl) 1873 { 1874 /* vga mode framebuffer / primary surface (bar 0, first part) */ 1875 if (qxl->vgamem_size_mb < 8) { 1876 qxl->vgamem_size_mb = 8; 1877 } 1878 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be 1879 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now). 1880 */ 1881 if (qxl->vgamem_size_mb > 256) { 1882 qxl->vgamem_size_mb = 256; 1883 } 1884 qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024; 1885 1886 /* vga ram (bar 0, total) */ 1887 if (qxl->ram_size_mb != -1) { 1888 qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024; 1889 } 1890 if (qxl->vga.vram_size < qxl->vgamem_size * 2) { 1891 qxl->vga.vram_size = qxl->vgamem_size * 2; 1892 } 1893 1894 /* vram32 (surfaces, 32bit, bar 1) */ 1895 if (qxl->vram32_size_mb != -1) { 1896 qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024; 1897 } 1898 if (qxl->vram32_size < 4096) { 1899 qxl->vram32_size = 4096; 1900 } 1901 1902 /* vram (surfaces, 64bit, bar 4+5) */ 1903 if (qxl->vram_size_mb != -1) { 1904 qxl->vram_size = qxl->vram_size_mb * 1024 * 1024; 1905 } 1906 if (qxl->vram_size < qxl->vram32_size) { 1907 qxl->vram_size = qxl->vram32_size; 1908 } 1909 1910 if (qxl->revision == 1) { 1911 qxl->vram32_size = 4096; 1912 qxl->vram_size = 4096; 1913 } 1914 qxl->vgamem_size = pow2ceil(qxl->vgamem_size); 1915 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size); 1916 qxl->vram32_size = pow2ceil(qxl->vram32_size); 1917 qxl->vram_size = pow2ceil(qxl->vram_size); 1918 } 1919 1920 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) 1921 { 1922 uint8_t* config = qxl->pci.config; 1923 uint32_t pci_device_rev; 1924 uint32_t io_size; 1925 1926 qxl->mode = QXL_MODE_UNDEFINED; 1927 qxl->generation = 1; 1928 qxl->num_memslots = NUM_MEMSLOTS; 1929 qemu_mutex_init(&qxl->track_lock); 1930 qemu_mutex_init(&qxl->async_lock); 1931 qxl->current_async = QXL_UNDEFINED_IO; 1932 qxl->guest_bug = 0; 1933 1934 switch (qxl->revision) { 1935 case 1: /* spice 0.4 -- qxl-1 */ 1936 pci_device_rev = QXL_REVISION_STABLE_V04; 1937 io_size = 8; 1938 break; 1939 case 2: /* spice 0.6 -- qxl-2 */ 1940 pci_device_rev = QXL_REVISION_STABLE_V06; 1941 io_size = 16; 1942 break; 1943 case 3: /* qxl-3 */ 1944 pci_device_rev = QXL_REVISION_STABLE_V10; 1945 io_size = 32; /* PCI region size must be pow2 */ 1946 break; 1947 case 4: /* qxl-4 */ 1948 pci_device_rev = QXL_REVISION_STABLE_V12; 1949 io_size = pow2ceil(QXL_IO_RANGE_SIZE); 1950 break; 1951 default: 1952 error_setg(errp, "Invalid revision %d for qxl device (max %d)", 1953 qxl->revision, QXL_DEFAULT_REVISION); 1954 return; 1955 } 1956 1957 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); 1958 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); 1959 1960 qxl->rom_size = qxl_rom_size(); 1961 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", 1962 qxl->rom_size, &error_abort); 1963 vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev); 1964 init_qxl_rom(qxl); 1965 init_qxl_ram(qxl); 1966 1967 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); 1968 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", 1969 qxl->vram_size, &error_abort); 1970 vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev); 1971 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", 1972 &qxl->vram_bar, 0, qxl->vram32_size); 1973 1974 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, 1975 "qxl-ioports", io_size); 1976 if (qxl->id == 0) { 1977 vga_dirty_log_start(&qxl->vga); 1978 } 1979 memory_region_set_flush_coalesced(&qxl->io_bar); 1980 1981 1982 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, 1983 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); 1984 1985 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, 1986 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); 1987 1988 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, 1989 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); 1990 1991 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, 1992 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); 1993 1994 if (qxl->vram32_size < qxl->vram_size) { 1995 /* 1996 * Make the 64bit vram bar show up only in case it is 1997 * configured to be larger than the 32bit vram bar. 1998 */ 1999 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, 2000 PCI_BASE_ADDRESS_SPACE_MEMORY | 2001 PCI_BASE_ADDRESS_MEM_TYPE_64 | 2002 PCI_BASE_ADDRESS_MEM_PREFETCH, 2003 &qxl->vram_bar); 2004 } 2005 2006 /* print pci bar details */ 2007 dprint(qxl, 1, "ram/%s: %d MB [region 0]\n", 2008 qxl->id == 0 ? "pri" : "sec", 2009 qxl->vga.vram_size / (1024*1024)); 2010 dprint(qxl, 1, "vram/32: %d MB [region 1]\n", 2011 qxl->vram32_size / (1024*1024)); 2012 dprint(qxl, 1, "vram/64: %d MB %s\n", 2013 qxl->vram_size / (1024*1024), 2014 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); 2015 2016 qxl->ssd.qxl.base.sif = &qxl_interface.base; 2017 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) { 2018 error_setg(errp, "qxl interface %d.%d not supported by spice-server", 2019 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); 2020 return; 2021 } 2022 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); 2023 2024 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl); 2025 qxl_reset_state(qxl); 2026 2027 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); 2028 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd); 2029 } 2030 2031 static void qxl_realize_primary(PCIDevice *dev, Error **errp) 2032 { 2033 PCIQXLDevice *qxl = PCI_QXL(dev); 2034 VGACommonState *vga = &qxl->vga; 2035 Error *local_err = NULL; 2036 2037 qxl->id = 0; 2038 qxl_init_ramsize(qxl); 2039 vga->vbe_size = qxl->vgamem_size; 2040 vga->vram_size_mb = qxl->vga.vram_size >> 20; 2041 vga_common_init(vga, OBJECT(dev), true); 2042 vga_init(vga, OBJECT(dev), 2043 pci_address_space(dev), pci_address_space_io(dev), false); 2044 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list, 2045 vga, "vga"); 2046 portio_list_set_flush_coalesced(&qxl->vga_port_list); 2047 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0); 2048 2049 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2050 qemu_spice_display_init_common(&qxl->ssd); 2051 2052 qxl_realize_common(qxl, &local_err); 2053 if (local_err) { 2054 error_propagate(errp, local_err); 2055 return; 2056 } 2057 2058 qxl->ssd.dcl.ops = &display_listener_ops; 2059 qxl->ssd.dcl.con = vga->con; 2060 register_displaychangelistener(&qxl->ssd.dcl); 2061 } 2062 2063 static void qxl_realize_secondary(PCIDevice *dev, Error **errp) 2064 { 2065 static int device_id = 1; 2066 PCIQXLDevice *qxl = PCI_QXL(dev); 2067 2068 qxl->id = device_id++; 2069 qxl_init_ramsize(qxl); 2070 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram", 2071 qxl->vga.vram_size, &error_abort); 2072 vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev); 2073 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); 2074 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2075 2076 qxl_realize_common(qxl, errp); 2077 } 2078 2079 static void qxl_pre_save(void *opaque) 2080 { 2081 PCIQXLDevice* d = opaque; 2082 uint8_t *ram_start = d->vga.vram_ptr; 2083 2084 trace_qxl_pre_save(d->id); 2085 if (d->last_release == NULL) { 2086 d->last_release_offset = 0; 2087 } else { 2088 d->last_release_offset = (uint8_t *)d->last_release - ram_start; 2089 } 2090 assert(d->last_release_offset < d->vga.vram_size); 2091 } 2092 2093 static int qxl_pre_load(void *opaque) 2094 { 2095 PCIQXLDevice* d = opaque; 2096 2097 trace_qxl_pre_load(d->id); 2098 qxl_hard_reset(d, 1); 2099 qxl_exit_vga_mode(d); 2100 return 0; 2101 } 2102 2103 static void qxl_create_memslots(PCIQXLDevice *d) 2104 { 2105 int i; 2106 2107 for (i = 0; i < NUM_MEMSLOTS; i++) { 2108 if (!d->guest_slots[i].active) { 2109 continue; 2110 } 2111 qxl_add_memslot(d, i, 0, QXL_SYNC); 2112 } 2113 } 2114 2115 static int qxl_post_load(void *opaque, int version) 2116 { 2117 PCIQXLDevice* d = opaque; 2118 uint8_t *ram_start = d->vga.vram_ptr; 2119 QXLCommandExt *cmds; 2120 int in, out, newmode; 2121 2122 assert(d->last_release_offset < d->vga.vram_size); 2123 if (d->last_release_offset == 0) { 2124 d->last_release = NULL; 2125 } else { 2126 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); 2127 } 2128 2129 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); 2130 2131 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); 2132 newmode = d->mode; 2133 d->mode = QXL_MODE_UNDEFINED; 2134 2135 switch (newmode) { 2136 case QXL_MODE_UNDEFINED: 2137 qxl_create_memslots(d); 2138 break; 2139 case QXL_MODE_VGA: 2140 qxl_create_memslots(d); 2141 qxl_enter_vga_mode(d); 2142 break; 2143 case QXL_MODE_NATIVE: 2144 qxl_create_memslots(d); 2145 qxl_create_guest_primary(d, 1, QXL_SYNC); 2146 2147 /* replay surface-create and cursor-set commands */ 2148 cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1)); 2149 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { 2150 if (d->guest_surfaces.cmds[in] == 0) { 2151 continue; 2152 } 2153 cmds[out].cmd.data = d->guest_surfaces.cmds[in]; 2154 cmds[out].cmd.type = QXL_CMD_SURFACE; 2155 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2156 out++; 2157 } 2158 if (d->guest_cursor) { 2159 cmds[out].cmd.data = d->guest_cursor; 2160 cmds[out].cmd.type = QXL_CMD_CURSOR; 2161 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2162 out++; 2163 } 2164 qxl_spice_loadvm_commands(d, cmds, out); 2165 g_free(cmds); 2166 if (d->guest_monitors_config) { 2167 qxl_spice_monitors_config_async(d, 1); 2168 } 2169 break; 2170 case QXL_MODE_COMPAT: 2171 /* note: no need to call qxl_create_memslots, qxl_set_mode 2172 * creates the mem slot. */ 2173 qxl_set_mode(d, d->shadow_rom.mode, 1); 2174 break; 2175 } 2176 return 0; 2177 } 2178 2179 #define QXL_SAVE_VERSION 21 2180 2181 static bool qxl_monitors_config_needed(void *opaque) 2182 { 2183 PCIQXLDevice *qxl = opaque; 2184 2185 return qxl->guest_monitors_config != 0; 2186 } 2187 2188 2189 static VMStateDescription qxl_memslot = { 2190 .name = "qxl-memslot", 2191 .version_id = QXL_SAVE_VERSION, 2192 .minimum_version_id = QXL_SAVE_VERSION, 2193 .fields = (VMStateField[]) { 2194 VMSTATE_UINT64(slot.mem_start, struct guest_slots), 2195 VMSTATE_UINT64(slot.mem_end, struct guest_slots), 2196 VMSTATE_UINT32(active, struct guest_slots), 2197 VMSTATE_END_OF_LIST() 2198 } 2199 }; 2200 2201 static VMStateDescription qxl_surface = { 2202 .name = "qxl-surface", 2203 .version_id = QXL_SAVE_VERSION, 2204 .minimum_version_id = QXL_SAVE_VERSION, 2205 .fields = (VMStateField[]) { 2206 VMSTATE_UINT32(width, QXLSurfaceCreate), 2207 VMSTATE_UINT32(height, QXLSurfaceCreate), 2208 VMSTATE_INT32(stride, QXLSurfaceCreate), 2209 VMSTATE_UINT32(format, QXLSurfaceCreate), 2210 VMSTATE_UINT32(position, QXLSurfaceCreate), 2211 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), 2212 VMSTATE_UINT32(flags, QXLSurfaceCreate), 2213 VMSTATE_UINT32(type, QXLSurfaceCreate), 2214 VMSTATE_UINT64(mem, QXLSurfaceCreate), 2215 VMSTATE_END_OF_LIST() 2216 } 2217 }; 2218 2219 static VMStateDescription qxl_vmstate_monitors_config = { 2220 .name = "qxl/monitors-config", 2221 .version_id = 1, 2222 .minimum_version_id = 1, 2223 .fields = (VMStateField[]) { 2224 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), 2225 VMSTATE_END_OF_LIST() 2226 }, 2227 }; 2228 2229 static VMStateDescription qxl_vmstate = { 2230 .name = "qxl", 2231 .version_id = QXL_SAVE_VERSION, 2232 .minimum_version_id = QXL_SAVE_VERSION, 2233 .pre_save = qxl_pre_save, 2234 .pre_load = qxl_pre_load, 2235 .post_load = qxl_post_load, 2236 .fields = (VMStateField[]) { 2237 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), 2238 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), 2239 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), 2240 VMSTATE_UINT32(num_free_res, PCIQXLDevice), 2241 VMSTATE_UINT32(last_release_offset, PCIQXLDevice), 2242 VMSTATE_UINT32(mode, PCIQXLDevice), 2243 VMSTATE_UINT32(ssd.unique, PCIQXLDevice), 2244 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice), 2245 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0, 2246 qxl_memslot, struct guest_slots), 2247 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0, 2248 qxl_surface, QXLSurfaceCreate), 2249 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice), 2250 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, 2251 ssd.num_surfaces, 0, 2252 vmstate_info_uint64, uint64_t), 2253 VMSTATE_UINT64(guest_cursor, PCIQXLDevice), 2254 VMSTATE_END_OF_LIST() 2255 }, 2256 .subsections = (VMStateSubsection[]) { 2257 { 2258 .vmsd = &qxl_vmstate_monitors_config, 2259 .needed = qxl_monitors_config_needed, 2260 }, { 2261 /* empty */ 2262 } 2263 } 2264 }; 2265 2266 static Property qxl_properties[] = { 2267 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 2268 64 * 1024 * 1024), 2269 DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size, 2270 64 * 1024 * 1024), 2271 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2272 QXL_DEFAULT_REVISION), 2273 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), 2274 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), 2275 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), 2276 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), 2277 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), 2278 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), 2279 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), 2280 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), 2281 DEFINE_PROP_END_OF_LIST(), 2282 }; 2283 2284 static void qxl_pci_class_init(ObjectClass *klass, void *data) 2285 { 2286 DeviceClass *dc = DEVICE_CLASS(klass); 2287 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2288 2289 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2290 k->device_id = QXL_DEVICE_ID_STABLE; 2291 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2292 dc->reset = qxl_reset_handler; 2293 dc->vmsd = &qxl_vmstate; 2294 dc->props = qxl_properties; 2295 } 2296 2297 static const TypeInfo qxl_pci_type_info = { 2298 .name = TYPE_PCI_QXL, 2299 .parent = TYPE_PCI_DEVICE, 2300 .instance_size = sizeof(PCIQXLDevice), 2301 .abstract = true, 2302 .class_init = qxl_pci_class_init, 2303 }; 2304 2305 static void qxl_primary_class_init(ObjectClass *klass, void *data) 2306 { 2307 DeviceClass *dc = DEVICE_CLASS(klass); 2308 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2309 2310 k->realize = qxl_realize_primary; 2311 k->romfile = "vgabios-qxl.bin"; 2312 k->class_id = PCI_CLASS_DISPLAY_VGA; 2313 dc->desc = "Spice QXL GPU (primary, vga compatible)"; 2314 dc->hotpluggable = false; 2315 } 2316 2317 static const TypeInfo qxl_primary_info = { 2318 .name = "qxl-vga", 2319 .parent = TYPE_PCI_QXL, 2320 .class_init = qxl_primary_class_init, 2321 }; 2322 2323 static void qxl_secondary_class_init(ObjectClass *klass, void *data) 2324 { 2325 DeviceClass *dc = DEVICE_CLASS(klass); 2326 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2327 2328 k->realize = qxl_realize_secondary; 2329 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2330 dc->desc = "Spice QXL GPU (secondary)"; 2331 } 2332 2333 static const TypeInfo qxl_secondary_info = { 2334 .name = "qxl", 2335 .parent = TYPE_PCI_QXL, 2336 .class_init = qxl_secondary_class_init, 2337 }; 2338 2339 static void qxl_register_types(void) 2340 { 2341 type_register_static(&qxl_pci_type_info); 2342 type_register_static(&qxl_primary_info); 2343 type_register_static(&qxl_secondary_info); 2344 } 2345 2346 type_init(qxl_register_types) 2347