1 /* 2 * Copyright (C) 2010 Red Hat, Inc. 3 * 4 * written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann 5 * maintained by Gerd Hoffmann <kraxel@redhat.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 or 10 * (at your option) version 3 of the License. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include "qemu/osdep.h" 22 #include <zlib.h> 23 24 #include "qemu-common.h" 25 #include "qemu/timer.h" 26 #include "qemu/queue.h" 27 #include "qemu/atomic.h" 28 #include "sysemu/sysemu.h" 29 #include "migration/blocker.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 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 276 if (qxl->max_outputs) { 277 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs); 278 } 279 #endif 280 qxl->guest_monitors_config = qxl->ram->monitors_config; 281 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 282 qxl->ram->monitors_config, 283 MEMSLOT_GROUP_GUEST, 284 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 285 QXL_IO_MONITORS_CONFIG_ASYNC)); 286 } 287 } 288 289 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl) 290 { 291 trace_qxl_spice_reset_image_cache(qxl->id); 292 spice_qxl_reset_image_cache(&qxl->ssd.qxl); 293 } 294 295 void qxl_spice_reset_cursor(PCIQXLDevice *qxl) 296 { 297 trace_qxl_spice_reset_cursor(qxl->id); 298 spice_qxl_reset_cursor(&qxl->ssd.qxl); 299 qemu_mutex_lock(&qxl->track_lock); 300 qxl->guest_cursor = 0; 301 qemu_mutex_unlock(&qxl->track_lock); 302 if (qxl->ssd.cursor) { 303 cursor_put(qxl->ssd.cursor); 304 } 305 qxl->ssd.cursor = cursor_builtin_hidden(); 306 } 307 308 static uint32_t qxl_crc32(const uint8_t *p, unsigned len) 309 { 310 /* 311 * zlib xors the seed with 0xffffffff, and xors the result 312 * again with 0xffffffff; Both are not done with linux's crc32, 313 * which we want to be compatible with, so undo that. 314 */ 315 return crc32(0xffffffff, p, len) ^ 0xffffffff; 316 } 317 318 static ram_addr_t qxl_rom_size(void) 319 { 320 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes)) 321 #define QXL_ROM_SZ 8192 322 323 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ); 324 return QXL_ROM_SZ; 325 } 326 327 static void init_qxl_rom(PCIQXLDevice *d) 328 { 329 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); 330 QXLModes *modes = (QXLModes *)(rom + 1); 331 uint32_t ram_header_size; 332 uint32_t surface0_area_size; 333 uint32_t num_pages; 334 uint32_t fb; 335 int i, n; 336 337 memset(rom, 0, d->rom_size); 338 339 rom->magic = cpu_to_le32(QXL_ROM_MAGIC); 340 rom->id = cpu_to_le32(d->id); 341 rom->log_level = cpu_to_le32(d->guestdebug); 342 rom->modes_offset = cpu_to_le32(sizeof(QXLRom)); 343 344 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; 345 rom->slot_id_bits = MEMSLOT_SLOT_BITS; 346 rom->slots_start = 1; 347 rom->slots_end = NUM_MEMSLOTS - 1; 348 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); 349 350 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { 351 fb = qxl_modes[i].y_res * qxl_modes[i].stride; 352 if (fb > d->vgamem_size) { 353 continue; 354 } 355 modes->modes[n].id = cpu_to_le32(i); 356 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); 357 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); 358 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); 359 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); 360 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); 361 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); 362 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); 363 n++; 364 } 365 modes->n_modes = cpu_to_le32(n); 366 367 ram_header_size = ALIGN(sizeof(QXLRam), 4096); 368 surface0_area_size = ALIGN(d->vgamem_size, 4096); 369 num_pages = d->vga.vram_size; 370 num_pages -= ram_header_size; 371 num_pages -= surface0_area_size; 372 num_pages = num_pages / QXL_PAGE_SIZE; 373 374 assert(ram_header_size + surface0_area_size <= d->vga.vram_size); 375 376 rom->draw_area_offset = cpu_to_le32(0); 377 rom->surface0_area_size = cpu_to_le32(surface0_area_size); 378 rom->pages_offset = cpu_to_le32(surface0_area_size); 379 rom->num_pages = cpu_to_le32(num_pages); 380 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); 381 382 if (d->xres && d->yres) { 383 /* needs linux kernel 4.12+ to work */ 384 rom->client_monitors_config.count = 1; 385 rom->client_monitors_config.heads[0].left = 0; 386 rom->client_monitors_config.heads[0].top = 0; 387 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres); 388 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres); 389 rom->client_monitors_config_crc = qxl_crc32( 390 (const uint8_t *)&rom->client_monitors_config, 391 sizeof(rom->client_monitors_config)); 392 } 393 394 d->shadow_rom = *rom; 395 d->rom = rom; 396 d->modes = modes; 397 } 398 399 static void init_qxl_ram(PCIQXLDevice *d) 400 { 401 uint8_t *buf; 402 uint64_t *item; 403 404 buf = d->vga.vram_ptr; 405 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); 406 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); 407 d->ram->int_pending = cpu_to_le32(0); 408 d->ram->int_mask = cpu_to_le32(0); 409 d->ram->update_surface = 0; 410 d->ram->monitors_config = 0; 411 SPICE_RING_INIT(&d->ram->cmd_ring); 412 SPICE_RING_INIT(&d->ram->cursor_ring); 413 SPICE_RING_INIT(&d->ram->release_ring); 414 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item); 415 assert(item); 416 *item = 0; 417 qxl_ring_set_dirty(d); 418 } 419 420 /* can be called from spice server thread context */ 421 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) 422 { 423 memory_region_set_dirty(mr, addr, end - addr); 424 } 425 426 static void qxl_rom_set_dirty(PCIQXLDevice *qxl) 427 { 428 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size); 429 } 430 431 /* called from spice server thread context only */ 432 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) 433 { 434 void *base = qxl->vga.vram_ptr; 435 intptr_t offset; 436 437 offset = ptr - base; 438 assert(offset < qxl->vga.vram_size); 439 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3); 440 } 441 442 /* can be called from spice server thread context */ 443 static void qxl_ring_set_dirty(PCIQXLDevice *qxl) 444 { 445 ram_addr_t addr = qxl->shadow_rom.ram_header_offset; 446 ram_addr_t end = qxl->vga.vram_size; 447 qxl_set_dirty(&qxl->vga.vram, addr, end); 448 } 449 450 /* 451 * keep track of some command state, for savevm/loadvm. 452 * called from spice server thread context only 453 */ 454 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) 455 { 456 switch (le32_to_cpu(ext->cmd.type)) { 457 case QXL_CMD_SURFACE: 458 { 459 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 460 461 if (!cmd) { 462 return 1; 463 } 464 uint32_t id = le32_to_cpu(cmd->surface_id); 465 466 if (id >= qxl->ssd.num_surfaces) { 467 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id, 468 qxl->ssd.num_surfaces); 469 return 1; 470 } 471 if (cmd->type == QXL_SURFACE_CMD_CREATE && 472 (cmd->u.surface_create.stride & 0x03) != 0) { 473 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n", 474 cmd->u.surface_create.stride); 475 return 1; 476 } 477 qemu_mutex_lock(&qxl->track_lock); 478 if (cmd->type == QXL_SURFACE_CMD_CREATE) { 479 qxl->guest_surfaces.cmds[id] = ext->cmd.data; 480 qxl->guest_surfaces.count++; 481 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) 482 qxl->guest_surfaces.max = qxl->guest_surfaces.count; 483 } 484 if (cmd->type == QXL_SURFACE_CMD_DESTROY) { 485 qxl->guest_surfaces.cmds[id] = 0; 486 qxl->guest_surfaces.count--; 487 } 488 qemu_mutex_unlock(&qxl->track_lock); 489 break; 490 } 491 case QXL_CMD_CURSOR: 492 { 493 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 494 495 if (!cmd) { 496 return 1; 497 } 498 if (cmd->type == QXL_CURSOR_SET) { 499 qemu_mutex_lock(&qxl->track_lock); 500 qxl->guest_cursor = ext->cmd.data; 501 qemu_mutex_unlock(&qxl->track_lock); 502 } 503 if (cmd->type == QXL_CURSOR_HIDE) { 504 qemu_mutex_lock(&qxl->track_lock); 505 qxl->guest_cursor = 0; 506 qemu_mutex_unlock(&qxl->track_lock); 507 } 508 break; 509 } 510 } 511 return 0; 512 } 513 514 /* spice display interface callbacks */ 515 516 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) 517 { 518 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 519 520 trace_qxl_interface_attach_worker(qxl->id); 521 qxl->ssd.worker = qxl_worker; 522 } 523 524 static void interface_set_compression_level(QXLInstance *sin, int level) 525 { 526 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 527 528 trace_qxl_interface_set_compression_level(qxl->id, level); 529 qxl->shadow_rom.compression_level = cpu_to_le32(level); 530 qxl->rom->compression_level = cpu_to_le32(level); 531 qxl_rom_set_dirty(qxl); 532 } 533 534 #if SPICE_NEEDS_SET_MM_TIME 535 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) 536 { 537 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 538 539 if (!qemu_spice_display_is_running(&qxl->ssd)) { 540 return; 541 } 542 543 trace_qxl_interface_set_mm_time(qxl->id, mm_time); 544 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time); 545 qxl->rom->mm_clock = cpu_to_le32(mm_time); 546 qxl_rom_set_dirty(qxl); 547 } 548 #endif 549 550 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) 551 { 552 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 553 554 trace_qxl_interface_get_init_info(qxl->id); 555 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; 556 info->memslot_id_bits = MEMSLOT_SLOT_BITS; 557 info->num_memslots = NUM_MEMSLOTS; 558 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; 559 info->internal_groupslot_id = 0; 560 info->qxl_ram_size = 561 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS; 562 info->n_surfaces = qxl->ssd.num_surfaces; 563 } 564 565 static const char *qxl_mode_to_string(int mode) 566 { 567 switch (mode) { 568 case QXL_MODE_COMPAT: 569 return "compat"; 570 case QXL_MODE_NATIVE: 571 return "native"; 572 case QXL_MODE_UNDEFINED: 573 return "undefined"; 574 case QXL_MODE_VGA: 575 return "vga"; 576 } 577 return "INVALID"; 578 } 579 580 static const char *io_port_to_string(uint32_t io_port) 581 { 582 if (io_port >= QXL_IO_RANGE_SIZE) { 583 return "out of range"; 584 } 585 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { 586 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD", 587 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR", 588 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA", 589 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ", 590 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM", 591 [QXL_IO_RESET] = "QXL_IO_RESET", 592 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE", 593 [QXL_IO_LOG] = "QXL_IO_LOG", 594 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD", 595 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL", 596 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY", 597 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY", 598 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY", 599 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY", 600 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT", 601 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES", 602 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC", 603 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC", 604 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC", 605 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC", 606 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC", 607 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC] 608 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC", 609 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC", 610 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE", 611 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC", 612 }; 613 return io_port_to_string[io_port]; 614 } 615 616 /* called from spice server thread context only */ 617 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) 618 { 619 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 620 SimpleSpiceUpdate *update; 621 QXLCommandRing *ring; 622 QXLCommand *cmd; 623 int notify, ret; 624 625 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); 626 627 switch (qxl->mode) { 628 case QXL_MODE_VGA: 629 ret = false; 630 qemu_mutex_lock(&qxl->ssd.lock); 631 update = QTAILQ_FIRST(&qxl->ssd.updates); 632 if (update != NULL) { 633 QTAILQ_REMOVE(&qxl->ssd.updates, update, next); 634 *ext = update->ext; 635 ret = true; 636 } 637 qemu_mutex_unlock(&qxl->ssd.lock); 638 if (ret) { 639 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 640 qxl_log_command(qxl, "vga", ext); 641 } 642 return ret; 643 case QXL_MODE_COMPAT: 644 case QXL_MODE_NATIVE: 645 case QXL_MODE_UNDEFINED: 646 ring = &qxl->ram->cmd_ring; 647 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) { 648 return false; 649 } 650 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 651 if (!cmd) { 652 return false; 653 } 654 ext->cmd = *cmd; 655 ext->group_id = MEMSLOT_GROUP_GUEST; 656 ext->flags = qxl->cmdflags; 657 SPICE_RING_POP(ring, notify); 658 qxl_ring_set_dirty(qxl); 659 if (notify) { 660 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); 661 } 662 qxl->guest_primary.commands++; 663 qxl_track_command(qxl, ext); 664 qxl_log_command(qxl, "cmd", ext); 665 { 666 /* 667 * Windows 8 drivers place qxl commands in the vram 668 * (instead of the ram) bar. We can't live migrate such a 669 * guest, so add a migration blocker in case we detect 670 * this, to avoid triggering the assert in pre_save(). 671 * 672 * https://cgit.freedesktop.org/spice/win32/qxl-wddm-dod/commit/?id=f6e099db39e7d0787f294d5fd0dce328b5210faa 673 */ 674 void *msg = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 675 if (msg != NULL && ( 676 msg < (void *)qxl->vga.vram_ptr || 677 msg > ((void *)qxl->vga.vram_ptr + qxl->vga.vram_size))) { 678 if (!qxl->migration_blocker) { 679 Error *local_err = NULL; 680 error_setg(&qxl->migration_blocker, 681 "qxl: guest bug: command not in ram bar"); 682 migrate_add_blocker(qxl->migration_blocker, &local_err); 683 if (local_err) { 684 error_report_err(local_err); 685 } 686 } 687 } 688 } 689 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 690 return true; 691 default: 692 return false; 693 } 694 } 695 696 /* called from spice server thread context only */ 697 static int interface_req_cmd_notification(QXLInstance *sin) 698 { 699 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 700 int wait = 1; 701 702 trace_qxl_ring_command_req_notification(qxl->id); 703 switch (qxl->mode) { 704 case QXL_MODE_COMPAT: 705 case QXL_MODE_NATIVE: 706 case QXL_MODE_UNDEFINED: 707 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); 708 qxl_ring_set_dirty(qxl); 709 break; 710 default: 711 /* nothing */ 712 break; 713 } 714 return wait; 715 } 716 717 /* called from spice server thread context only */ 718 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) 719 { 720 QXLReleaseRing *ring = &d->ram->release_ring; 721 uint64_t *item; 722 int notify; 723 724 #define QXL_FREE_BUNCH_SIZE 32 725 726 if (ring->prod - ring->cons + 1 == ring->num_items) { 727 /* ring full -- can't push */ 728 return; 729 } 730 if (!flush && d->oom_running) { 731 /* collect everything from oom handler before pushing */ 732 return; 733 } 734 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) { 735 /* collect a bit more before pushing */ 736 return; 737 } 738 739 SPICE_RING_PUSH(ring, notify); 740 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), 741 d->guest_surfaces.count, d->num_free_res, 742 d->last_release, notify ? "yes" : "no"); 743 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, 744 ring->num_items, ring->prod, ring->cons); 745 if (notify) { 746 qxl_send_events(d, QXL_INTERRUPT_DISPLAY); 747 } 748 SPICE_RING_PROD_ITEM(d, ring, item); 749 if (!item) { 750 return; 751 } 752 *item = 0; 753 d->num_free_res = 0; 754 d->last_release = NULL; 755 qxl_ring_set_dirty(d); 756 } 757 758 /* called from spice server thread context only */ 759 static void interface_release_resource(QXLInstance *sin, 760 QXLReleaseInfoExt ext) 761 { 762 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 763 QXLReleaseRing *ring; 764 uint64_t *item, id; 765 766 if (ext.group_id == MEMSLOT_GROUP_HOST) { 767 /* host group -> vga mode update request */ 768 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id); 769 SimpleSpiceUpdate *update; 770 g_assert(cmdext->cmd.type == QXL_CMD_DRAW); 771 update = container_of(cmdext, SimpleSpiceUpdate, ext); 772 qemu_spice_destroy_update(&qxl->ssd, update); 773 return; 774 } 775 776 /* 777 * ext->info points into guest-visible memory 778 * pci bar 0, $command.release_info 779 */ 780 ring = &qxl->ram->release_ring; 781 SPICE_RING_PROD_ITEM(qxl, ring, item); 782 if (!item) { 783 return; 784 } 785 if (*item == 0) { 786 /* stick head into the ring */ 787 id = ext.info->id; 788 ext.info->next = 0; 789 qxl_ram_set_dirty(qxl, &ext.info->next); 790 *item = id; 791 qxl_ring_set_dirty(qxl); 792 } else { 793 /* append item to the list */ 794 qxl->last_release->next = ext.info->id; 795 qxl_ram_set_dirty(qxl, &qxl->last_release->next); 796 ext.info->next = 0; 797 qxl_ram_set_dirty(qxl, &ext.info->next); 798 } 799 qxl->last_release = ext.info; 800 qxl->num_free_res++; 801 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); 802 qxl_push_free_res(qxl, 0); 803 } 804 805 /* called from spice server thread context only */ 806 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) 807 { 808 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 809 QXLCursorRing *ring; 810 QXLCommand *cmd; 811 int notify; 812 813 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); 814 815 switch (qxl->mode) { 816 case QXL_MODE_COMPAT: 817 case QXL_MODE_NATIVE: 818 case QXL_MODE_UNDEFINED: 819 ring = &qxl->ram->cursor_ring; 820 if (SPICE_RING_IS_EMPTY(ring)) { 821 return false; 822 } 823 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 824 if (!cmd) { 825 return false; 826 } 827 ext->cmd = *cmd; 828 ext->group_id = MEMSLOT_GROUP_GUEST; 829 ext->flags = qxl->cmdflags; 830 SPICE_RING_POP(ring, notify); 831 qxl_ring_set_dirty(qxl); 832 if (notify) { 833 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); 834 } 835 qxl->guest_primary.commands++; 836 qxl_track_command(qxl, ext); 837 qxl_log_command(qxl, "csr", ext); 838 if (qxl->id == 0) { 839 qxl_render_cursor(qxl, ext); 840 } 841 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); 842 return true; 843 default: 844 return false; 845 } 846 } 847 848 /* called from spice server thread context only */ 849 static int interface_req_cursor_notification(QXLInstance *sin) 850 { 851 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 852 int wait = 1; 853 854 trace_qxl_ring_cursor_req_notification(qxl->id); 855 switch (qxl->mode) { 856 case QXL_MODE_COMPAT: 857 case QXL_MODE_NATIVE: 858 case QXL_MODE_UNDEFINED: 859 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); 860 qxl_ring_set_dirty(qxl); 861 break; 862 default: 863 /* nothing */ 864 break; 865 } 866 return wait; 867 } 868 869 /* called from spice server thread context */ 870 static void interface_notify_update(QXLInstance *sin, uint32_t update_id) 871 { 872 /* 873 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in 874 * use by xf86-video-qxl and is defined out in the qxl windows driver. 875 * Probably was at some earlier version that is prior to git start (2009), 876 * and is still guest trigerrable. 877 */ 878 fprintf(stderr, "%s: deprecated\n", __func__); 879 } 880 881 /* called from spice server thread context only */ 882 static int interface_flush_resources(QXLInstance *sin) 883 { 884 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 885 int ret; 886 887 ret = qxl->num_free_res; 888 if (ret) { 889 qxl_push_free_res(qxl, 1); 890 } 891 return ret; 892 } 893 894 static void qxl_create_guest_primary_complete(PCIQXLDevice *d); 895 896 /* called from spice server thread context only */ 897 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) 898 { 899 uint32_t current_async; 900 901 qemu_mutex_lock(&qxl->async_lock); 902 current_async = qxl->current_async; 903 qxl->current_async = QXL_UNDEFINED_IO; 904 qemu_mutex_unlock(&qxl->async_lock); 905 906 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); 907 if (!cookie) { 908 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__); 909 return; 910 } 911 if (cookie && current_async != cookie->io) { 912 fprintf(stderr, 913 "qxl: %s: error: current_async = %d != %" 914 PRId64 " = cookie->io\n", __func__, current_async, cookie->io); 915 } 916 switch (current_async) { 917 case QXL_IO_MEMSLOT_ADD_ASYNC: 918 case QXL_IO_DESTROY_PRIMARY_ASYNC: 919 case QXL_IO_UPDATE_AREA_ASYNC: 920 case QXL_IO_FLUSH_SURFACES_ASYNC: 921 case QXL_IO_MONITORS_CONFIG_ASYNC: 922 break; 923 case QXL_IO_CREATE_PRIMARY_ASYNC: 924 qxl_create_guest_primary_complete(qxl); 925 break; 926 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 927 qxl_spice_destroy_surfaces_complete(qxl); 928 break; 929 case QXL_IO_DESTROY_SURFACE_ASYNC: 930 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); 931 break; 932 default: 933 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__, 934 current_async); 935 } 936 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); 937 } 938 939 /* called from spice server thread context only */ 940 static void interface_update_area_complete(QXLInstance *sin, 941 uint32_t surface_id, 942 QXLRect *dirty, uint32_t num_updated_rects) 943 { 944 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 945 int i; 946 int qxl_i; 947 948 qemu_mutex_lock(&qxl->ssd.lock); 949 if (surface_id != 0 || !num_updated_rects || 950 !qxl->render_update_cookie_num) { 951 qemu_mutex_unlock(&qxl->ssd.lock); 952 return; 953 } 954 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, 955 dirty->right, dirty->top, dirty->bottom); 956 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); 957 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) { 958 /* 959 * overflow - treat this as a full update. Not expected to be common. 960 */ 961 trace_qxl_interface_update_area_complete_overflow(qxl->id, 962 QXL_NUM_DIRTY_RECTS); 963 qxl->guest_primary.resized = 1; 964 } 965 if (qxl->guest_primary.resized) { 966 /* 967 * Don't bother copying or scheduling the bh since we will flip 968 * the whole area anyway on completion of the update_area async call 969 */ 970 qemu_mutex_unlock(&qxl->ssd.lock); 971 return; 972 } 973 qxl_i = qxl->num_dirty_rects; 974 for (i = 0; i < num_updated_rects; i++) { 975 qxl->dirty[qxl_i++] = dirty[i]; 976 } 977 qxl->num_dirty_rects += num_updated_rects; 978 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, 979 qxl->num_dirty_rects); 980 qemu_bh_schedule(qxl->update_area_bh); 981 qemu_mutex_unlock(&qxl->ssd.lock); 982 } 983 984 /* called from spice server thread context only */ 985 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) 986 { 987 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 988 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; 989 990 switch (cookie->type) { 991 case QXL_COOKIE_TYPE_IO: 992 interface_async_complete_io(qxl, cookie); 993 g_free(cookie); 994 break; 995 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA: 996 qxl_render_update_area_done(qxl, cookie); 997 break; 998 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG: 999 break; 1000 default: 1001 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n", 1002 __func__, cookie->type); 1003 g_free(cookie); 1004 } 1005 } 1006 1007 /* called from spice server thread context only */ 1008 static void interface_set_client_capabilities(QXLInstance *sin, 1009 uint8_t client_present, 1010 uint8_t caps[58]) 1011 { 1012 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1013 1014 if (qxl->revision < 4) { 1015 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, 1016 qxl->revision); 1017 return; 1018 } 1019 1020 if (runstate_check(RUN_STATE_INMIGRATE) || 1021 runstate_check(RUN_STATE_POSTMIGRATE)) { 1022 return; 1023 } 1024 1025 qxl->shadow_rom.client_present = client_present; 1026 memcpy(qxl->shadow_rom.client_capabilities, caps, 1027 sizeof(qxl->shadow_rom.client_capabilities)); 1028 qxl->rom->client_present = client_present; 1029 memcpy(qxl->rom->client_capabilities, caps, 1030 sizeof(qxl->rom->client_capabilities)); 1031 qxl_rom_set_dirty(qxl); 1032 1033 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); 1034 } 1035 1036 static bool qxl_rom_monitors_config_changed(QXLRom *rom, 1037 VDAgentMonitorsConfig *monitors_config, 1038 unsigned int max_outputs) 1039 { 1040 int i; 1041 unsigned int monitors_count; 1042 1043 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs); 1044 1045 if (rom->client_monitors_config.count != monitors_count) { 1046 return true; 1047 } 1048 1049 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1050 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1051 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1052 /* monitor->depth ignored */ 1053 if ((rect->left != monitor->x) || 1054 (rect->top != monitor->y) || 1055 (rect->right != monitor->x + monitor->width) || 1056 (rect->bottom != monitor->y + monitor->height)) { 1057 return true; 1058 } 1059 } 1060 1061 return false; 1062 } 1063 1064 /* called from main context only */ 1065 static int interface_client_monitors_config(QXLInstance *sin, 1066 VDAgentMonitorsConfig *monitors_config) 1067 { 1068 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1069 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); 1070 int i; 1071 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads); 1072 bool config_changed = false; 1073 1074 if (qxl->revision < 4) { 1075 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, 1076 qxl->revision); 1077 return 0; 1078 } 1079 /* 1080 * Older windows drivers set int_mask to 0 when their ISR is called, 1081 * then later set it to ~0. So it doesn't relate to the actual interrupts 1082 * handled. However, they are old, so clearly they don't support this 1083 * interrupt 1084 */ 1085 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || 1086 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { 1087 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, 1088 qxl->ram->int_mask, 1089 monitors_config); 1090 return 0; 1091 } 1092 if (!monitors_config) { 1093 return 1; 1094 } 1095 1096 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 1097 /* limit number of outputs based on setting limit */ 1098 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) { 1099 max_outputs = qxl->max_outputs; 1100 } 1101 #endif 1102 1103 config_changed = qxl_rom_monitors_config_changed(rom, 1104 monitors_config, 1105 max_outputs); 1106 1107 memset(&rom->client_monitors_config, 0, 1108 sizeof(rom->client_monitors_config)); 1109 rom->client_monitors_config.count = monitors_config->num_of_monitors; 1110 /* monitors_config->flags ignored */ 1111 if (rom->client_monitors_config.count >= max_outputs) { 1112 trace_qxl_client_monitors_config_capped(qxl->id, 1113 monitors_config->num_of_monitors, 1114 max_outputs); 1115 rom->client_monitors_config.count = max_outputs; 1116 } 1117 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1118 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1119 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1120 /* monitor->depth ignored */ 1121 rect->left = monitor->x; 1122 rect->top = monitor->y; 1123 rect->right = monitor->x + monitor->width; 1124 rect->bottom = monitor->y + monitor->height; 1125 } 1126 rom->client_monitors_config_crc = qxl_crc32( 1127 (const uint8_t *)&rom->client_monitors_config, 1128 sizeof(rom->client_monitors_config)); 1129 trace_qxl_client_monitors_config_crc(qxl->id, 1130 sizeof(rom->client_monitors_config), 1131 rom->client_monitors_config_crc); 1132 1133 trace_qxl_interrupt_client_monitors_config(qxl->id, 1134 rom->client_monitors_config.count, 1135 rom->client_monitors_config.heads); 1136 if (config_changed) { 1137 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); 1138 } 1139 return 1; 1140 } 1141 1142 static const QXLInterface qxl_interface = { 1143 .base.type = SPICE_INTERFACE_QXL, 1144 .base.description = "qxl gpu", 1145 .base.major_version = SPICE_INTERFACE_QXL_MAJOR, 1146 .base.minor_version = SPICE_INTERFACE_QXL_MINOR, 1147 1148 .attache_worker = interface_attach_worker, 1149 .set_compression_level = interface_set_compression_level, 1150 #if SPICE_NEEDS_SET_MM_TIME 1151 .set_mm_time = interface_set_mm_time, 1152 #endif 1153 .get_init_info = interface_get_init_info, 1154 1155 /* the callbacks below are called from spice server thread context */ 1156 .get_command = interface_get_command, 1157 .req_cmd_notification = interface_req_cmd_notification, 1158 .release_resource = interface_release_resource, 1159 .get_cursor_command = interface_get_cursor_command, 1160 .req_cursor_notification = interface_req_cursor_notification, 1161 .notify_update = interface_notify_update, 1162 .flush_resources = interface_flush_resources, 1163 .async_complete = interface_async_complete, 1164 .update_area_complete = interface_update_area_complete, 1165 .set_client_capabilities = interface_set_client_capabilities, 1166 .client_monitors_config = interface_client_monitors_config, 1167 }; 1168 1169 static const GraphicHwOps qxl_ops = { 1170 .gfx_update = qxl_hw_update, 1171 }; 1172 1173 static void qxl_enter_vga_mode(PCIQXLDevice *d) 1174 { 1175 if (d->mode == QXL_MODE_VGA) { 1176 return; 1177 } 1178 trace_qxl_enter_vga_mode(d->id); 1179 #if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */ 1180 spice_qxl_driver_unload(&d->ssd.qxl); 1181 #endif 1182 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga); 1183 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT); 1184 qemu_spice_create_host_primary(&d->ssd); 1185 d->mode = QXL_MODE_VGA; 1186 qemu_spice_display_switch(&d->ssd, d->ssd.ds); 1187 vga_dirty_log_start(&d->vga); 1188 graphic_hw_update(d->vga.con); 1189 } 1190 1191 static void qxl_exit_vga_mode(PCIQXLDevice *d) 1192 { 1193 if (d->mode != QXL_MODE_VGA) { 1194 return; 1195 } 1196 trace_qxl_exit_vga_mode(d->id); 1197 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d); 1198 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE); 1199 vga_dirty_log_stop(&d->vga); 1200 qxl_destroy_primary(d, QXL_SYNC); 1201 } 1202 1203 static void qxl_update_irq(PCIQXLDevice *d) 1204 { 1205 uint32_t pending = le32_to_cpu(d->ram->int_pending); 1206 uint32_t mask = le32_to_cpu(d->ram->int_mask); 1207 int level = !!(pending & mask); 1208 pci_set_irq(&d->pci, level); 1209 qxl_ring_set_dirty(d); 1210 } 1211 1212 static void qxl_check_state(PCIQXLDevice *d) 1213 { 1214 QXLRam *ram = d->ram; 1215 int spice_display_running = qemu_spice_display_is_running(&d->ssd); 1216 1217 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); 1218 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); 1219 } 1220 1221 static void qxl_reset_state(PCIQXLDevice *d) 1222 { 1223 QXLRom *rom = d->rom; 1224 1225 qxl_check_state(d); 1226 d->shadow_rom.update_id = cpu_to_le32(0); 1227 *rom = d->shadow_rom; 1228 qxl_rom_set_dirty(d); 1229 init_qxl_ram(d); 1230 d->num_free_res = 0; 1231 d->last_release = NULL; 1232 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); 1233 qxl_update_irq(d); 1234 } 1235 1236 static void qxl_soft_reset(PCIQXLDevice *d) 1237 { 1238 trace_qxl_soft_reset(d->id); 1239 qxl_check_state(d); 1240 qxl_clear_guest_bug(d); 1241 qemu_mutex_lock(&d->async_lock); 1242 d->current_async = QXL_UNDEFINED_IO; 1243 qemu_mutex_unlock(&d->async_lock); 1244 1245 if (d->id == 0) { 1246 qxl_enter_vga_mode(d); 1247 } else { 1248 d->mode = QXL_MODE_UNDEFINED; 1249 } 1250 } 1251 1252 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) 1253 { 1254 bool startstop = qemu_spice_display_is_running(&d->ssd); 1255 1256 trace_qxl_hard_reset(d->id, loadvm); 1257 1258 if (startstop) { 1259 qemu_spice_display_stop(); 1260 } 1261 1262 qxl_spice_reset_cursor(d); 1263 qxl_spice_reset_image_cache(d); 1264 qxl_reset_surfaces(d); 1265 qxl_reset_memslots(d); 1266 1267 /* pre loadvm reset must not touch QXLRam. This lives in 1268 * device memory, is migrated together with RAM and thus 1269 * already loaded at this point */ 1270 if (!loadvm) { 1271 qxl_reset_state(d); 1272 } 1273 qemu_spice_create_host_memslot(&d->ssd); 1274 qxl_soft_reset(d); 1275 1276 if (d->migration_blocker) { 1277 migrate_del_blocker(d->migration_blocker); 1278 error_free(d->migration_blocker); 1279 d->migration_blocker = NULL; 1280 } 1281 1282 if (startstop) { 1283 qemu_spice_display_start(); 1284 } 1285 } 1286 1287 static void qxl_reset_handler(DeviceState *dev) 1288 { 1289 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev)); 1290 1291 qxl_hard_reset(d, 0); 1292 } 1293 1294 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) 1295 { 1296 VGACommonState *vga = opaque; 1297 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); 1298 1299 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); 1300 if (qxl->mode != QXL_MODE_VGA) { 1301 qxl_destroy_primary(qxl, QXL_SYNC); 1302 qxl_soft_reset(qxl); 1303 } 1304 vga_ioport_write(opaque, addr, val); 1305 } 1306 1307 static const MemoryRegionPortio qxl_vga_portio_list[] = { 1308 { 0x04, 2, 1, .read = vga_ioport_read, 1309 .write = qxl_vga_ioport_write }, /* 3b4 */ 1310 { 0x0a, 1, 1, .read = vga_ioport_read, 1311 .write = qxl_vga_ioport_write }, /* 3ba */ 1312 { 0x10, 16, 1, .read = vga_ioport_read, 1313 .write = qxl_vga_ioport_write }, /* 3c0 */ 1314 { 0x24, 2, 1, .read = vga_ioport_read, 1315 .write = qxl_vga_ioport_write }, /* 3d4 */ 1316 { 0x2a, 1, 1, .read = vga_ioport_read, 1317 .write = qxl_vga_ioport_write }, /* 3da */ 1318 PORTIO_END_OF_LIST(), 1319 }; 1320 1321 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, 1322 qxl_async_io async) 1323 { 1324 static const int regions[] = { 1325 QXL_RAM_RANGE_INDEX, 1326 QXL_VRAM_RANGE_INDEX, 1327 QXL_VRAM64_RANGE_INDEX, 1328 }; 1329 uint64_t guest_start; 1330 uint64_t guest_end; 1331 int pci_region; 1332 pcibus_t pci_start; 1333 pcibus_t pci_end; 1334 MemoryRegion *mr; 1335 intptr_t virt_start; 1336 QXLDevMemSlot memslot; 1337 int i; 1338 1339 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); 1340 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); 1341 1342 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); 1343 1344 if (slot_id >= NUM_MEMSLOTS) { 1345 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__, 1346 slot_id, NUM_MEMSLOTS); 1347 return 1; 1348 } 1349 if (guest_start > guest_end) { 1350 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64 1351 " > 0x%" PRIx64, __func__, guest_start, guest_end); 1352 return 1; 1353 } 1354 1355 for (i = 0; i < ARRAY_SIZE(regions); i++) { 1356 pci_region = regions[i]; 1357 pci_start = d->pci.io_regions[pci_region].addr; 1358 pci_end = pci_start + d->pci.io_regions[pci_region].size; 1359 /* mapped? */ 1360 if (pci_start == -1) { 1361 continue; 1362 } 1363 /* start address in range ? */ 1364 if (guest_start < pci_start || guest_start > pci_end) { 1365 continue; 1366 } 1367 /* end address in range ? */ 1368 if (guest_end > pci_end) { 1369 continue; 1370 } 1371 /* passed */ 1372 break; 1373 } 1374 if (i == ARRAY_SIZE(regions)) { 1375 qxl_set_guest_bug(d, "%s: finished loop without match", __func__); 1376 return 1; 1377 } 1378 1379 switch (pci_region) { 1380 case QXL_RAM_RANGE_INDEX: 1381 mr = &d->vga.vram; 1382 break; 1383 case QXL_VRAM_RANGE_INDEX: 1384 case 4 /* vram 64bit */: 1385 mr = &d->vram_bar; 1386 break; 1387 default: 1388 /* should not happen */ 1389 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); 1390 return 1; 1391 } 1392 1393 virt_start = (intptr_t)memory_region_get_ram_ptr(mr); 1394 memslot.slot_id = slot_id; 1395 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */ 1396 memslot.virt_start = virt_start + (guest_start - pci_start); 1397 memslot.virt_end = virt_start + (guest_end - pci_start); 1398 memslot.addr_delta = memslot.virt_start - delta; 1399 memslot.generation = d->rom->slot_generation = 0; 1400 qxl_rom_set_dirty(d); 1401 1402 qemu_spice_add_memslot(&d->ssd, &memslot, async); 1403 d->guest_slots[slot_id].mr = mr; 1404 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start; 1405 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; 1406 d->guest_slots[slot_id].delta = delta; 1407 d->guest_slots[slot_id].active = 1; 1408 return 0; 1409 } 1410 1411 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) 1412 { 1413 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); 1414 d->guest_slots[slot_id].active = 0; 1415 } 1416 1417 static void qxl_reset_memslots(PCIQXLDevice *d) 1418 { 1419 qxl_spice_reset_memslots(d); 1420 memset(&d->guest_slots, 0, sizeof(d->guest_slots)); 1421 } 1422 1423 static void qxl_reset_surfaces(PCIQXLDevice *d) 1424 { 1425 trace_qxl_reset_surfaces(d->id); 1426 d->mode = QXL_MODE_UNDEFINED; 1427 qxl_spice_destroy_surfaces(d, QXL_SYNC); 1428 } 1429 1430 /* can be also called from spice server thread context */ 1431 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1432 uint32_t *s, uint64_t *o) 1433 { 1434 uint64_t phys = le64_to_cpu(pqxl); 1435 uint32_t slot = (phys >> (64 - 8)) & 0xff; 1436 uint64_t offset = phys & 0xffffffffffff; 1437 1438 if (slot >= NUM_MEMSLOTS) { 1439 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot, 1440 NUM_MEMSLOTS); 1441 return false; 1442 } 1443 if (!qxl->guest_slots[slot].active) { 1444 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot); 1445 return false; 1446 } 1447 if (offset < qxl->guest_slots[slot].delta) { 1448 qxl_set_guest_bug(qxl, 1449 "slot %d offset %"PRIu64" < delta %"PRIu64"\n", 1450 slot, offset, qxl->guest_slots[slot].delta); 1451 return false; 1452 } 1453 offset -= qxl->guest_slots[slot].delta; 1454 if (offset > qxl->guest_slots[slot].size) { 1455 qxl_set_guest_bug(qxl, 1456 "slot %d offset %"PRIu64" > size %"PRIu64"\n", 1457 slot, offset, qxl->guest_slots[slot].size); 1458 return false; 1459 } 1460 1461 *s = slot; 1462 *o = offset; 1463 return true; 1464 } 1465 1466 /* can be also called from spice server thread context */ 1467 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id) 1468 { 1469 uint64_t offset; 1470 uint32_t slot; 1471 void *ptr; 1472 1473 switch (group_id) { 1474 case MEMSLOT_GROUP_HOST: 1475 offset = le64_to_cpu(pqxl) & 0xffffffffffff; 1476 return (void *)(intptr_t)offset; 1477 case MEMSLOT_GROUP_GUEST: 1478 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) { 1479 return NULL; 1480 } 1481 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr); 1482 ptr += qxl->guest_slots[slot].offset; 1483 ptr += offset; 1484 return ptr; 1485 } 1486 return NULL; 1487 } 1488 1489 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) 1490 { 1491 /* for local rendering */ 1492 qxl_render_resize(qxl); 1493 } 1494 1495 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, 1496 qxl_async_io async) 1497 { 1498 QXLDevSurfaceCreate surface; 1499 QXLSurfaceCreate *sc = &qxl->guest_primary.surface; 1500 uint32_t requested_height = le32_to_cpu(sc->height); 1501 int requested_stride = le32_to_cpu(sc->stride); 1502 1503 if (requested_stride == INT32_MIN || 1504 abs(requested_stride) * (uint64_t)requested_height 1505 > qxl->vgamem_size) { 1506 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer" 1507 " stride %d x height %" PRIu32 " > %" PRIu32, 1508 __func__, requested_stride, requested_height, 1509 qxl->vgamem_size); 1510 return; 1511 } 1512 1513 if (qxl->mode == QXL_MODE_NATIVE) { 1514 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE", 1515 __func__); 1516 } 1517 qxl_exit_vga_mode(qxl); 1518 1519 surface.format = le32_to_cpu(sc->format); 1520 surface.height = le32_to_cpu(sc->height); 1521 surface.mem = le64_to_cpu(sc->mem); 1522 surface.position = le32_to_cpu(sc->position); 1523 surface.stride = le32_to_cpu(sc->stride); 1524 surface.width = le32_to_cpu(sc->width); 1525 surface.type = le32_to_cpu(sc->type); 1526 surface.flags = le32_to_cpu(sc->flags); 1527 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, 1528 sc->format, sc->position); 1529 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, 1530 sc->flags); 1531 1532 if ((surface.stride & 0x3) != 0) { 1533 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0", 1534 surface.stride); 1535 return; 1536 } 1537 1538 surface.mouse_mode = true; 1539 surface.group_id = MEMSLOT_GROUP_GUEST; 1540 if (loadvm) { 1541 surface.flags |= QXL_SURF_FLAG_KEEP_DATA; 1542 } 1543 1544 qxl->mode = QXL_MODE_NATIVE; 1545 qxl->cmdflags = 0; 1546 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async); 1547 1548 if (async == QXL_SYNC) { 1549 qxl_create_guest_primary_complete(qxl); 1550 } 1551 } 1552 1553 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or 1554 * done (in QXL_SYNC case), 0 otherwise. */ 1555 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) 1556 { 1557 if (d->mode == QXL_MODE_UNDEFINED) { 1558 return 0; 1559 } 1560 trace_qxl_destroy_primary(d->id); 1561 d->mode = QXL_MODE_UNDEFINED; 1562 qemu_spice_destroy_primary_surface(&d->ssd, 0, async); 1563 qxl_spice_reset_cursor(d); 1564 return 1; 1565 } 1566 1567 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) 1568 { 1569 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1570 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; 1571 QXLMode *mode = d->modes->modes + modenr; 1572 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1573 QXLMemSlot slot = { 1574 .mem_start = start, 1575 .mem_end = end 1576 }; 1577 1578 if (modenr >= d->modes->n_modes) { 1579 qxl_set_guest_bug(d, "mode number out of range"); 1580 return; 1581 } 1582 1583 QXLSurfaceCreate surface = { 1584 .width = mode->x_res, 1585 .height = mode->y_res, 1586 .stride = -mode->x_res * 4, 1587 .format = SPICE_SURFACE_FMT_32_xRGB, 1588 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, 1589 .mouse_mode = true, 1590 .mem = devmem + d->shadow_rom.draw_area_offset, 1591 }; 1592 1593 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, 1594 devmem); 1595 if (!loadvm) { 1596 qxl_hard_reset(d, 0); 1597 } 1598 1599 d->guest_slots[0].slot = slot; 1600 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); 1601 1602 d->guest_primary.surface = surface; 1603 qxl_create_guest_primary(d, 0, QXL_SYNC); 1604 1605 d->mode = QXL_MODE_COMPAT; 1606 d->cmdflags = QXL_COMMAND_FLAG_COMPAT; 1607 if (mode->bits == 16) { 1608 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; 1609 } 1610 d->shadow_rom.mode = cpu_to_le32(modenr); 1611 d->rom->mode = cpu_to_le32(modenr); 1612 qxl_rom_set_dirty(d); 1613 } 1614 1615 static void ioport_write(void *opaque, hwaddr addr, 1616 uint64_t val, unsigned size) 1617 { 1618 PCIQXLDevice *d = opaque; 1619 uint32_t io_port = addr; 1620 qxl_async_io async = QXL_SYNC; 1621 uint32_t orig_io_port = io_port; 1622 1623 if (d->guest_bug && io_port != QXL_IO_RESET) { 1624 return; 1625 } 1626 1627 if (d->revision <= QXL_REVISION_STABLE_V10 && 1628 io_port > QXL_IO_FLUSH_RELEASE) { 1629 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n", 1630 io_port, d->revision); 1631 return; 1632 } 1633 1634 switch (io_port) { 1635 case QXL_IO_RESET: 1636 case QXL_IO_SET_MODE: 1637 case QXL_IO_MEMSLOT_ADD: 1638 case QXL_IO_MEMSLOT_DEL: 1639 case QXL_IO_CREATE_PRIMARY: 1640 case QXL_IO_UPDATE_IRQ: 1641 case QXL_IO_LOG: 1642 case QXL_IO_MEMSLOT_ADD_ASYNC: 1643 case QXL_IO_CREATE_PRIMARY_ASYNC: 1644 break; 1645 default: 1646 if (d->mode != QXL_MODE_VGA) { 1647 break; 1648 } 1649 trace_qxl_io_unexpected_vga_mode(d->id, 1650 addr, val, io_port_to_string(io_port)); 1651 /* be nice to buggy guest drivers */ 1652 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && 1653 io_port < QXL_IO_RANGE_SIZE) { 1654 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1655 } 1656 return; 1657 } 1658 1659 /* we change the io_port to avoid ifdeffery in the main switch */ 1660 orig_io_port = io_port; 1661 switch (io_port) { 1662 case QXL_IO_UPDATE_AREA_ASYNC: 1663 io_port = QXL_IO_UPDATE_AREA; 1664 goto async_common; 1665 case QXL_IO_MEMSLOT_ADD_ASYNC: 1666 io_port = QXL_IO_MEMSLOT_ADD; 1667 goto async_common; 1668 case QXL_IO_CREATE_PRIMARY_ASYNC: 1669 io_port = QXL_IO_CREATE_PRIMARY; 1670 goto async_common; 1671 case QXL_IO_DESTROY_PRIMARY_ASYNC: 1672 io_port = QXL_IO_DESTROY_PRIMARY; 1673 goto async_common; 1674 case QXL_IO_DESTROY_SURFACE_ASYNC: 1675 io_port = QXL_IO_DESTROY_SURFACE_WAIT; 1676 goto async_common; 1677 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 1678 io_port = QXL_IO_DESTROY_ALL_SURFACES; 1679 goto async_common; 1680 case QXL_IO_FLUSH_SURFACES_ASYNC: 1681 case QXL_IO_MONITORS_CONFIG_ASYNC: 1682 async_common: 1683 async = QXL_ASYNC; 1684 qemu_mutex_lock(&d->async_lock); 1685 if (d->current_async != QXL_UNDEFINED_IO) { 1686 qxl_set_guest_bug(d, "%d async started before last (%d) complete", 1687 io_port, d->current_async); 1688 qemu_mutex_unlock(&d->async_lock); 1689 return; 1690 } 1691 d->current_async = orig_io_port; 1692 qemu_mutex_unlock(&d->async_lock); 1693 break; 1694 default: 1695 break; 1696 } 1697 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), 1698 addr, io_port_to_string(addr), 1699 val, size, async); 1700 1701 switch (io_port) { 1702 case QXL_IO_UPDATE_AREA: 1703 { 1704 QXLCookie *cookie = NULL; 1705 QXLRect update = d->ram->update_area; 1706 1707 if (d->ram->update_surface > d->ssd.num_surfaces) { 1708 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n", 1709 d->ram->update_surface); 1710 break; 1711 } 1712 if (update.left >= update.right || update.top >= update.bottom || 1713 update.left < 0 || update.top < 0) { 1714 qxl_set_guest_bug(d, 1715 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n", 1716 update.left, update.top, update.right, update.bottom); 1717 if (update.left == update.right || update.top == update.bottom) { 1718 /* old drivers may provide empty area, keep going */ 1719 qxl_clear_guest_bug(d); 1720 goto cancel_async; 1721 } 1722 break; 1723 } 1724 if (async == QXL_ASYNC) { 1725 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 1726 QXL_IO_UPDATE_AREA_ASYNC); 1727 cookie->u.area = update; 1728 } 1729 qxl_spice_update_area(d, d->ram->update_surface, 1730 cookie ? &cookie->u.area : &update, 1731 NULL, 0, 0, async, cookie); 1732 break; 1733 } 1734 case QXL_IO_NOTIFY_CMD: 1735 qemu_spice_wakeup(&d->ssd); 1736 break; 1737 case QXL_IO_NOTIFY_CURSOR: 1738 qemu_spice_wakeup(&d->ssd); 1739 break; 1740 case QXL_IO_UPDATE_IRQ: 1741 qxl_update_irq(d); 1742 break; 1743 case QXL_IO_NOTIFY_OOM: 1744 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { 1745 break; 1746 } 1747 d->oom_running = 1; 1748 qxl_spice_oom(d); 1749 d->oom_running = 0; 1750 break; 1751 case QXL_IO_SET_MODE: 1752 qxl_set_mode(d, val, 0); 1753 break; 1754 case QXL_IO_LOG: 1755 trace_qxl_io_log(d->id, d->ram->log_buf); 1756 if (d->guestdebug) { 1757 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, 1758 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), d->ram->log_buf); 1759 } 1760 break; 1761 case QXL_IO_RESET: 1762 qxl_hard_reset(d, 0); 1763 break; 1764 case QXL_IO_MEMSLOT_ADD: 1765 if (val >= NUM_MEMSLOTS) { 1766 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); 1767 break; 1768 } 1769 if (d->guest_slots[val].active) { 1770 qxl_set_guest_bug(d, 1771 "QXL_IO_MEMSLOT_ADD: memory slot already active"); 1772 break; 1773 } 1774 d->guest_slots[val].slot = d->ram->mem_slot; 1775 qxl_add_memslot(d, val, 0, async); 1776 break; 1777 case QXL_IO_MEMSLOT_DEL: 1778 if (val >= NUM_MEMSLOTS) { 1779 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); 1780 break; 1781 } 1782 qxl_del_memslot(d, val); 1783 break; 1784 case QXL_IO_CREATE_PRIMARY: 1785 if (val != 0) { 1786 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", 1787 async); 1788 goto cancel_async; 1789 } 1790 d->guest_primary.surface = d->ram->create_surface; 1791 qxl_create_guest_primary(d, 0, async); 1792 break; 1793 case QXL_IO_DESTROY_PRIMARY: 1794 if (val != 0) { 1795 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", 1796 async); 1797 goto cancel_async; 1798 } 1799 if (!qxl_destroy_primary(d, async)) { 1800 trace_qxl_io_destroy_primary_ignored(d->id, 1801 qxl_mode_to_string(d->mode)); 1802 goto cancel_async; 1803 } 1804 break; 1805 case QXL_IO_DESTROY_SURFACE_WAIT: 1806 if (val >= d->ssd.num_surfaces) { 1807 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" 1808 "%" PRIu64 " >= NUM_SURFACES", async, val); 1809 goto cancel_async; 1810 } 1811 qxl_spice_destroy_surface_wait(d, val, async); 1812 break; 1813 case QXL_IO_FLUSH_RELEASE: { 1814 QXLReleaseRing *ring = &d->ram->release_ring; 1815 if (ring->prod - ring->cons + 1 == ring->num_items) { 1816 fprintf(stderr, 1817 "ERROR: no flush, full release ring [p%d,%dc]\n", 1818 ring->prod, ring->cons); 1819 } 1820 qxl_push_free_res(d, 1 /* flush */); 1821 break; 1822 } 1823 case QXL_IO_FLUSH_SURFACES_ASYNC: 1824 qxl_spice_flush_surfaces_async(d); 1825 break; 1826 case QXL_IO_DESTROY_ALL_SURFACES: 1827 d->mode = QXL_MODE_UNDEFINED; 1828 qxl_spice_destroy_surfaces(d, async); 1829 break; 1830 case QXL_IO_MONITORS_CONFIG_ASYNC: 1831 qxl_spice_monitors_config_async(d, 0); 1832 break; 1833 default: 1834 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port); 1835 } 1836 return; 1837 cancel_async: 1838 if (async) { 1839 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1840 qemu_mutex_lock(&d->async_lock); 1841 d->current_async = QXL_UNDEFINED_IO; 1842 qemu_mutex_unlock(&d->async_lock); 1843 } 1844 } 1845 1846 static uint64_t ioport_read(void *opaque, hwaddr addr, 1847 unsigned size) 1848 { 1849 PCIQXLDevice *qxl = opaque; 1850 1851 trace_qxl_io_read_unexpected(qxl->id); 1852 return 0xff; 1853 } 1854 1855 static const MemoryRegionOps qxl_io_ops = { 1856 .read = ioport_read, 1857 .write = ioport_write, 1858 .valid = { 1859 .min_access_size = 1, 1860 .max_access_size = 1, 1861 }, 1862 }; 1863 1864 static void qxl_update_irq_bh(void *opaque) 1865 { 1866 PCIQXLDevice *d = opaque; 1867 qxl_update_irq(d); 1868 } 1869 1870 static void qxl_send_events(PCIQXLDevice *d, uint32_t events) 1871 { 1872 uint32_t old_pending; 1873 uint32_t le_events = cpu_to_le32(events); 1874 1875 trace_qxl_send_events(d->id, events); 1876 if (!qemu_spice_display_is_running(&d->ssd)) { 1877 /* spice-server tracks guest running state and should not do this */ 1878 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n", 1879 __func__); 1880 trace_qxl_send_events_vm_stopped(d->id, events); 1881 return; 1882 } 1883 old_pending = atomic_fetch_or(&d->ram->int_pending, le_events); 1884 if ((old_pending & le_events) == le_events) { 1885 return; 1886 } 1887 qemu_bh_schedule(d->update_irq); 1888 } 1889 1890 /* graphics console */ 1891 1892 static void qxl_hw_update(void *opaque) 1893 { 1894 PCIQXLDevice *qxl = opaque; 1895 1896 qxl_render_update(qxl); 1897 } 1898 1899 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1900 uint32_t height, int32_t stride) 1901 { 1902 uint64_t offset, size; 1903 uint32_t slot; 1904 bool rc; 1905 1906 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset); 1907 assert(rc == true); 1908 size = (uint64_t)height * abs(stride); 1909 trace_qxl_surfaces_dirty(qxl->id, offset, size); 1910 qxl_set_dirty(qxl->guest_slots[slot].mr, 1911 qxl->guest_slots[slot].offset + offset, 1912 qxl->guest_slots[slot].offset + offset + size); 1913 } 1914 1915 static void qxl_dirty_surfaces(PCIQXLDevice *qxl) 1916 { 1917 int i; 1918 1919 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { 1920 return; 1921 } 1922 1923 /* dirty the primary surface */ 1924 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem, 1925 qxl->guest_primary.surface.height, 1926 qxl->guest_primary.surface.stride); 1927 1928 /* dirty the off-screen surfaces */ 1929 for (i = 0; i < qxl->ssd.num_surfaces; i++) { 1930 QXLSurfaceCmd *cmd; 1931 1932 if (qxl->guest_surfaces.cmds[i] == 0) { 1933 continue; 1934 } 1935 1936 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], 1937 MEMSLOT_GROUP_GUEST); 1938 assert(cmd); 1939 assert(cmd->type == QXL_SURFACE_CMD_CREATE); 1940 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data, 1941 cmd->u.surface_create.height, 1942 cmd->u.surface_create.stride); 1943 } 1944 } 1945 1946 static void qxl_vm_change_state_handler(void *opaque, int running, 1947 RunState state) 1948 { 1949 PCIQXLDevice *qxl = opaque; 1950 1951 if (running) { 1952 /* 1953 * if qxl_send_events was called from spice server context before 1954 * migration ended, qxl_update_irq for these events might not have been 1955 * called 1956 */ 1957 qxl_update_irq(qxl); 1958 } else { 1959 /* make sure surfaces are saved before migration */ 1960 qxl_dirty_surfaces(qxl); 1961 } 1962 } 1963 1964 /* display change listener */ 1965 1966 static void display_update(DisplayChangeListener *dcl, 1967 int x, int y, int w, int h) 1968 { 1969 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1970 1971 if (qxl->mode == QXL_MODE_VGA) { 1972 qemu_spice_display_update(&qxl->ssd, x, y, w, h); 1973 } 1974 } 1975 1976 static void display_switch(DisplayChangeListener *dcl, 1977 struct DisplaySurface *surface) 1978 { 1979 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1980 1981 qxl->ssd.ds = surface; 1982 if (qxl->mode == QXL_MODE_VGA) { 1983 qemu_spice_display_switch(&qxl->ssd, surface); 1984 } 1985 } 1986 1987 static void display_refresh(DisplayChangeListener *dcl) 1988 { 1989 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 1990 1991 if (qxl->mode == QXL_MODE_VGA) { 1992 qemu_spice_display_refresh(&qxl->ssd); 1993 } 1994 } 1995 1996 static DisplayChangeListenerOps display_listener_ops = { 1997 .dpy_name = "spice/qxl", 1998 .dpy_gfx_update = display_update, 1999 .dpy_gfx_switch = display_switch, 2000 .dpy_refresh = display_refresh, 2001 }; 2002 2003 static void qxl_init_ramsize(PCIQXLDevice *qxl) 2004 { 2005 /* vga mode framebuffer / primary surface (bar 0, first part) */ 2006 if (qxl->vgamem_size_mb < 8) { 2007 qxl->vgamem_size_mb = 8; 2008 } 2009 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be 2010 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now). 2011 */ 2012 if (qxl->vgamem_size_mb > 256) { 2013 qxl->vgamem_size_mb = 256; 2014 } 2015 qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024; 2016 2017 /* vga ram (bar 0, total) */ 2018 if (qxl->ram_size_mb != -1) { 2019 qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024; 2020 } 2021 if (qxl->vga.vram_size < qxl->vgamem_size * 2) { 2022 qxl->vga.vram_size = qxl->vgamem_size * 2; 2023 } 2024 2025 /* vram32 (surfaces, 32bit, bar 1) */ 2026 if (qxl->vram32_size_mb != -1) { 2027 qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024; 2028 } 2029 if (qxl->vram32_size < 4096) { 2030 qxl->vram32_size = 4096; 2031 } 2032 2033 /* vram (surfaces, 64bit, bar 4+5) */ 2034 if (qxl->vram_size_mb != -1) { 2035 qxl->vram_size = (uint64_t)qxl->vram_size_mb * 1024 * 1024; 2036 } 2037 if (qxl->vram_size < qxl->vram32_size) { 2038 qxl->vram_size = qxl->vram32_size; 2039 } 2040 2041 if (qxl->revision == 1) { 2042 qxl->vram32_size = 4096; 2043 qxl->vram_size = 4096; 2044 } 2045 qxl->vgamem_size = pow2ceil(qxl->vgamem_size); 2046 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size); 2047 qxl->vram32_size = pow2ceil(qxl->vram32_size); 2048 qxl->vram_size = pow2ceil(qxl->vram_size); 2049 } 2050 2051 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) 2052 { 2053 uint8_t* config = qxl->pci.config; 2054 uint32_t pci_device_rev; 2055 uint32_t io_size; 2056 2057 qemu_spice_display_init_common(&qxl->ssd); 2058 qxl->mode = QXL_MODE_UNDEFINED; 2059 qxl->generation = 1; 2060 qxl->num_memslots = NUM_MEMSLOTS; 2061 qemu_mutex_init(&qxl->track_lock); 2062 qemu_mutex_init(&qxl->async_lock); 2063 qxl->current_async = QXL_UNDEFINED_IO; 2064 qxl->guest_bug = 0; 2065 2066 switch (qxl->revision) { 2067 case 1: /* spice 0.4 -- qxl-1 */ 2068 pci_device_rev = QXL_REVISION_STABLE_V04; 2069 io_size = 8; 2070 break; 2071 case 2: /* spice 0.6 -- qxl-2 */ 2072 pci_device_rev = QXL_REVISION_STABLE_V06; 2073 io_size = 16; 2074 break; 2075 case 3: /* qxl-3 */ 2076 pci_device_rev = QXL_REVISION_STABLE_V10; 2077 io_size = 32; /* PCI region size must be pow2 */ 2078 break; 2079 case 4: /* qxl-4 */ 2080 pci_device_rev = QXL_REVISION_STABLE_V12; 2081 io_size = pow2ceil(QXL_IO_RANGE_SIZE); 2082 break; 2083 default: 2084 error_setg(errp, "Invalid revision %d for qxl device (max %d)", 2085 qxl->revision, QXL_DEFAULT_REVISION); 2086 return; 2087 } 2088 2089 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); 2090 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); 2091 2092 qxl->rom_size = qxl_rom_size(); 2093 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", 2094 qxl->rom_size, &error_fatal); 2095 init_qxl_rom(qxl); 2096 init_qxl_ram(qxl); 2097 2098 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); 2099 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", 2100 qxl->vram_size, &error_fatal); 2101 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", 2102 &qxl->vram_bar, 0, qxl->vram32_size); 2103 2104 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, 2105 "qxl-ioports", io_size); 2106 if (qxl->id == 0) { 2107 vga_dirty_log_start(&qxl->vga); 2108 } 2109 memory_region_set_flush_coalesced(&qxl->io_bar); 2110 2111 2112 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, 2113 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); 2114 2115 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, 2116 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); 2117 2118 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, 2119 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); 2120 2121 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, 2122 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); 2123 2124 if (qxl->vram32_size < qxl->vram_size) { 2125 /* 2126 * Make the 64bit vram bar show up only in case it is 2127 * configured to be larger than the 32bit vram bar. 2128 */ 2129 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, 2130 PCI_BASE_ADDRESS_SPACE_MEMORY | 2131 PCI_BASE_ADDRESS_MEM_TYPE_64 | 2132 PCI_BASE_ADDRESS_MEM_PREFETCH, 2133 &qxl->vram_bar); 2134 } 2135 2136 /* print pci bar details */ 2137 dprint(qxl, 1, "ram/%s: %d MB [region 0]\n", 2138 qxl->id == 0 ? "pri" : "sec", 2139 qxl->vga.vram_size / (1024*1024)); 2140 dprint(qxl, 1, "vram/32: %" PRIx64 "d MB [region 1]\n", 2141 qxl->vram32_size / (1024*1024)); 2142 dprint(qxl, 1, "vram/64: %" PRIx64 "d MB %s\n", 2143 qxl->vram_size / (1024*1024), 2144 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); 2145 2146 qxl->ssd.qxl.base.sif = &qxl_interface.base; 2147 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) { 2148 error_setg(errp, "qxl interface %d.%d not supported by spice-server", 2149 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); 2150 return; 2151 } 2152 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); 2153 2154 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl); 2155 qxl_reset_state(qxl); 2156 2157 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); 2158 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd); 2159 } 2160 2161 static void qxl_realize_primary(PCIDevice *dev, Error **errp) 2162 { 2163 PCIQXLDevice *qxl = PCI_QXL(dev); 2164 VGACommonState *vga = &qxl->vga; 2165 Error *local_err = NULL; 2166 2167 qxl->id = 0; 2168 qxl_init_ramsize(qxl); 2169 vga->vbe_size = qxl->vgamem_size; 2170 vga->vram_size_mb = qxl->vga.vram_size >> 20; 2171 vga_common_init(vga, OBJECT(dev), true); 2172 vga_init(vga, OBJECT(dev), 2173 pci_address_space(dev), pci_address_space_io(dev), false); 2174 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list, 2175 vga, "vga"); 2176 portio_list_set_flush_coalesced(&qxl->vga_port_list); 2177 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0); 2178 2179 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2180 2181 qxl_realize_common(qxl, &local_err); 2182 if (local_err) { 2183 error_propagate(errp, local_err); 2184 return; 2185 } 2186 2187 qxl->ssd.dcl.ops = &display_listener_ops; 2188 qxl->ssd.dcl.con = vga->con; 2189 register_displaychangelistener(&qxl->ssd.dcl); 2190 } 2191 2192 static void qxl_realize_secondary(PCIDevice *dev, Error **errp) 2193 { 2194 static int device_id = 1; 2195 PCIQXLDevice *qxl = PCI_QXL(dev); 2196 2197 qxl->id = device_id++; 2198 qxl_init_ramsize(qxl); 2199 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram", 2200 qxl->vga.vram_size, &error_fatal); 2201 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); 2202 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2203 2204 qxl_realize_common(qxl, errp); 2205 } 2206 2207 static void qxl_pre_save(void *opaque) 2208 { 2209 PCIQXLDevice* d = opaque; 2210 uint8_t *ram_start = d->vga.vram_ptr; 2211 2212 trace_qxl_pre_save(d->id); 2213 if (d->last_release == NULL) { 2214 d->last_release_offset = 0; 2215 } else { 2216 d->last_release_offset = (uint8_t *)d->last_release - ram_start; 2217 } 2218 assert(d->last_release_offset < d->vga.vram_size); 2219 } 2220 2221 static int qxl_pre_load(void *opaque) 2222 { 2223 PCIQXLDevice* d = opaque; 2224 2225 trace_qxl_pre_load(d->id); 2226 qxl_hard_reset(d, 1); 2227 qxl_exit_vga_mode(d); 2228 return 0; 2229 } 2230 2231 static void qxl_create_memslots(PCIQXLDevice *d) 2232 { 2233 int i; 2234 2235 for (i = 0; i < NUM_MEMSLOTS; i++) { 2236 if (!d->guest_slots[i].active) { 2237 continue; 2238 } 2239 qxl_add_memslot(d, i, 0, QXL_SYNC); 2240 } 2241 } 2242 2243 static int qxl_post_load(void *opaque, int version) 2244 { 2245 PCIQXLDevice* d = opaque; 2246 uint8_t *ram_start = d->vga.vram_ptr; 2247 QXLCommandExt *cmds; 2248 int in, out, newmode; 2249 2250 assert(d->last_release_offset < d->vga.vram_size); 2251 if (d->last_release_offset == 0) { 2252 d->last_release = NULL; 2253 } else { 2254 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); 2255 } 2256 2257 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); 2258 2259 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); 2260 newmode = d->mode; 2261 d->mode = QXL_MODE_UNDEFINED; 2262 2263 switch (newmode) { 2264 case QXL_MODE_UNDEFINED: 2265 qxl_create_memslots(d); 2266 break; 2267 case QXL_MODE_VGA: 2268 qxl_create_memslots(d); 2269 qxl_enter_vga_mode(d); 2270 break; 2271 case QXL_MODE_NATIVE: 2272 qxl_create_memslots(d); 2273 qxl_create_guest_primary(d, 1, QXL_SYNC); 2274 2275 /* replay surface-create and cursor-set commands */ 2276 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1); 2277 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { 2278 if (d->guest_surfaces.cmds[in] == 0) { 2279 continue; 2280 } 2281 cmds[out].cmd.data = d->guest_surfaces.cmds[in]; 2282 cmds[out].cmd.type = QXL_CMD_SURFACE; 2283 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2284 out++; 2285 } 2286 if (d->guest_cursor) { 2287 cmds[out].cmd.data = d->guest_cursor; 2288 cmds[out].cmd.type = QXL_CMD_CURSOR; 2289 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2290 out++; 2291 } 2292 qxl_spice_loadvm_commands(d, cmds, out); 2293 g_free(cmds); 2294 if (d->guest_monitors_config) { 2295 qxl_spice_monitors_config_async(d, 1); 2296 } 2297 break; 2298 case QXL_MODE_COMPAT: 2299 /* note: no need to call qxl_create_memslots, qxl_set_mode 2300 * creates the mem slot. */ 2301 qxl_set_mode(d, d->shadow_rom.mode, 1); 2302 break; 2303 } 2304 return 0; 2305 } 2306 2307 #define QXL_SAVE_VERSION 21 2308 2309 static bool qxl_monitors_config_needed(void *opaque) 2310 { 2311 PCIQXLDevice *qxl = opaque; 2312 2313 return qxl->guest_monitors_config != 0; 2314 } 2315 2316 2317 static VMStateDescription qxl_memslot = { 2318 .name = "qxl-memslot", 2319 .version_id = QXL_SAVE_VERSION, 2320 .minimum_version_id = QXL_SAVE_VERSION, 2321 .fields = (VMStateField[]) { 2322 VMSTATE_UINT64(slot.mem_start, struct guest_slots), 2323 VMSTATE_UINT64(slot.mem_end, struct guest_slots), 2324 VMSTATE_UINT32(active, struct guest_slots), 2325 VMSTATE_END_OF_LIST() 2326 } 2327 }; 2328 2329 static VMStateDescription qxl_surface = { 2330 .name = "qxl-surface", 2331 .version_id = QXL_SAVE_VERSION, 2332 .minimum_version_id = QXL_SAVE_VERSION, 2333 .fields = (VMStateField[]) { 2334 VMSTATE_UINT32(width, QXLSurfaceCreate), 2335 VMSTATE_UINT32(height, QXLSurfaceCreate), 2336 VMSTATE_INT32(stride, QXLSurfaceCreate), 2337 VMSTATE_UINT32(format, QXLSurfaceCreate), 2338 VMSTATE_UINT32(position, QXLSurfaceCreate), 2339 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), 2340 VMSTATE_UINT32(flags, QXLSurfaceCreate), 2341 VMSTATE_UINT32(type, QXLSurfaceCreate), 2342 VMSTATE_UINT64(mem, QXLSurfaceCreate), 2343 VMSTATE_END_OF_LIST() 2344 } 2345 }; 2346 2347 static VMStateDescription qxl_vmstate_monitors_config = { 2348 .name = "qxl/monitors-config", 2349 .version_id = 1, 2350 .minimum_version_id = 1, 2351 .needed = qxl_monitors_config_needed, 2352 .fields = (VMStateField[]) { 2353 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), 2354 VMSTATE_END_OF_LIST() 2355 }, 2356 }; 2357 2358 static VMStateDescription qxl_vmstate = { 2359 .name = "qxl", 2360 .version_id = QXL_SAVE_VERSION, 2361 .minimum_version_id = QXL_SAVE_VERSION, 2362 .pre_save = qxl_pre_save, 2363 .pre_load = qxl_pre_load, 2364 .post_load = qxl_post_load, 2365 .fields = (VMStateField[]) { 2366 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), 2367 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), 2368 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), 2369 VMSTATE_UINT32(num_free_res, PCIQXLDevice), 2370 VMSTATE_UINT32(last_release_offset, PCIQXLDevice), 2371 VMSTATE_UINT32(mode, PCIQXLDevice), 2372 VMSTATE_UINT32(ssd.unique, PCIQXLDevice), 2373 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL), 2374 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0, 2375 qxl_memslot, struct guest_slots), 2376 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0, 2377 qxl_surface, QXLSurfaceCreate), 2378 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL), 2379 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, 2380 ssd.num_surfaces, 0, 2381 vmstate_info_uint64, uint64_t), 2382 VMSTATE_UINT64(guest_cursor, PCIQXLDevice), 2383 VMSTATE_END_OF_LIST() 2384 }, 2385 .subsections = (const VMStateDescription*[]) { 2386 &qxl_vmstate_monitors_config, 2387 NULL 2388 } 2389 }; 2390 2391 static Property qxl_properties[] = { 2392 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 2393 64 * 1024 * 1024), 2394 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 2395 64 * 1024 * 1024), 2396 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2397 QXL_DEFAULT_REVISION), 2398 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), 2399 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), 2400 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), 2401 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), 2402 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), 2403 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), 2404 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), 2405 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), 2406 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 2407 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0), 2408 #endif 2409 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0), 2410 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0), 2411 DEFINE_PROP_END_OF_LIST(), 2412 }; 2413 2414 static void qxl_pci_class_init(ObjectClass *klass, void *data) 2415 { 2416 DeviceClass *dc = DEVICE_CLASS(klass); 2417 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2418 2419 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2420 k->device_id = QXL_DEVICE_ID_STABLE; 2421 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2422 dc->reset = qxl_reset_handler; 2423 dc->vmsd = &qxl_vmstate; 2424 dc->props = qxl_properties; 2425 } 2426 2427 static const TypeInfo qxl_pci_type_info = { 2428 .name = TYPE_PCI_QXL, 2429 .parent = TYPE_PCI_DEVICE, 2430 .instance_size = sizeof(PCIQXLDevice), 2431 .abstract = true, 2432 .class_init = qxl_pci_class_init, 2433 }; 2434 2435 static void qxl_primary_class_init(ObjectClass *klass, void *data) 2436 { 2437 DeviceClass *dc = DEVICE_CLASS(klass); 2438 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2439 2440 k->realize = qxl_realize_primary; 2441 k->romfile = "vgabios-qxl.bin"; 2442 k->class_id = PCI_CLASS_DISPLAY_VGA; 2443 dc->desc = "Spice QXL GPU (primary, vga compatible)"; 2444 dc->hotpluggable = false; 2445 } 2446 2447 static const TypeInfo qxl_primary_info = { 2448 .name = "qxl-vga", 2449 .parent = TYPE_PCI_QXL, 2450 .class_init = qxl_primary_class_init, 2451 }; 2452 2453 static void qxl_secondary_class_init(ObjectClass *klass, void *data) 2454 { 2455 DeviceClass *dc = DEVICE_CLASS(klass); 2456 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2457 2458 k->realize = qxl_realize_secondary; 2459 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2460 dc->desc = "Spice QXL GPU (secondary)"; 2461 } 2462 2463 static const TypeInfo qxl_secondary_info = { 2464 .name = "qxl", 2465 .parent = TYPE_PCI_QXL, 2466 .class_init = qxl_secondary_class_init, 2467 }; 2468 2469 static void qxl_register_types(void) 2470 { 2471 type_register_static(&qxl_pci_type_info); 2472 type_register_static(&qxl_primary_info); 2473 type_register_static(&qxl_secondary_info); 2474 } 2475 2476 type_init(qxl_register_types) 2477