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 "qemu/units.h" 23 #include <zlib.h> 24 25 #include "qapi/error.h" 26 #include "qemu-common.h" 27 #include "qemu/timer.h" 28 #include "qemu/queue.h" 29 #include "qemu/atomic.h" 30 #include "sysemu/sysemu.h" 31 #include "migration/blocker.h" 32 #include "trace.h" 33 34 #include "qxl.h" 35 36 /* 37 * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as 38 * such can be changed by the guest, so to avoid a guest trigerrable 39 * abort we just qxl_set_guest_bug and set the return to NULL. Still 40 * it may happen as a result of emulator bug as well. 41 */ 42 #undef SPICE_RING_PROD_ITEM 43 #define SPICE_RING_PROD_ITEM(qxl, r, ret) { \ 44 uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \ 45 if (prod >= ARRAY_SIZE((r)->items)) { \ 46 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \ 47 "%u >= %zu", prod, ARRAY_SIZE((r)->items)); \ 48 ret = NULL; \ 49 } else { \ 50 ret = &(r)->items[prod].el; \ 51 } \ 52 } 53 54 #undef SPICE_RING_CONS_ITEM 55 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \ 56 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \ 57 if (cons >= ARRAY_SIZE((r)->items)) { \ 58 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \ 59 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \ 60 ret = NULL; \ 61 } else { \ 62 ret = &(r)->items[cons].el; \ 63 } \ 64 } 65 66 #undef ALIGN 67 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) 68 69 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" 70 71 #define QXL_MODE(_x, _y, _b, _o) \ 72 { .x_res = _x, \ 73 .y_res = _y, \ 74 .bits = _b, \ 75 .stride = (_x) * (_b) / 8, \ 76 .x_mili = PIXEL_SIZE * (_x), \ 77 .y_mili = PIXEL_SIZE * (_y), \ 78 .orientation = _o, \ 79 } 80 81 #define QXL_MODE_16_32(x_res, y_res, orientation) \ 82 QXL_MODE(x_res, y_res, 16, orientation), \ 83 QXL_MODE(x_res, y_res, 32, orientation) 84 85 #define QXL_MODE_EX(x_res, y_res) \ 86 QXL_MODE_16_32(x_res, y_res, 0), \ 87 QXL_MODE_16_32(x_res, y_res, 1) 88 89 static QXLMode qxl_modes[] = { 90 QXL_MODE_EX(640, 480), 91 QXL_MODE_EX(800, 480), 92 QXL_MODE_EX(800, 600), 93 QXL_MODE_EX(832, 624), 94 QXL_MODE_EX(960, 640), 95 QXL_MODE_EX(1024, 600), 96 QXL_MODE_EX(1024, 768), 97 QXL_MODE_EX(1152, 864), 98 QXL_MODE_EX(1152, 870), 99 QXL_MODE_EX(1280, 720), 100 QXL_MODE_EX(1280, 760), 101 QXL_MODE_EX(1280, 768), 102 QXL_MODE_EX(1280, 800), 103 QXL_MODE_EX(1280, 960), 104 QXL_MODE_EX(1280, 1024), 105 QXL_MODE_EX(1360, 768), 106 QXL_MODE_EX(1366, 768), 107 QXL_MODE_EX(1400, 1050), 108 QXL_MODE_EX(1440, 900), 109 QXL_MODE_EX(1600, 900), 110 QXL_MODE_EX(1600, 1200), 111 QXL_MODE_EX(1680, 1050), 112 QXL_MODE_EX(1920, 1080), 113 /* these modes need more than 8 MB video memory */ 114 QXL_MODE_EX(1920, 1200), 115 QXL_MODE_EX(1920, 1440), 116 QXL_MODE_EX(2000, 2000), 117 QXL_MODE_EX(2048, 1536), 118 QXL_MODE_EX(2048, 2048), 119 QXL_MODE_EX(2560, 1440), 120 QXL_MODE_EX(2560, 1600), 121 /* these modes need more than 16 MB video memory */ 122 QXL_MODE_EX(2560, 2048), 123 QXL_MODE_EX(2800, 2100), 124 QXL_MODE_EX(3200, 2400), 125 /* these modes need more than 32 MB video memory */ 126 QXL_MODE_EX(3840, 2160), /* 4k mainstream */ 127 QXL_MODE_EX(4096, 2160), /* 4k */ 128 /* these modes need more than 64 MB video memory */ 129 QXL_MODE_EX(7680, 4320), /* 8k mainstream */ 130 /* these modes need more than 128 MB video memory */ 131 QXL_MODE_EX(8192, 4320), /* 8k */ 132 }; 133 134 static void qxl_send_events(PCIQXLDevice *d, uint32_t events); 135 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async); 136 static void qxl_reset_memslots(PCIQXLDevice *d); 137 static void qxl_reset_surfaces(PCIQXLDevice *d); 138 static void qxl_ring_set_dirty(PCIQXLDevice *qxl); 139 140 static void qxl_hw_update(void *opaque); 141 142 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...) 143 { 144 trace_qxl_set_guest_bug(qxl->id); 145 qxl_send_events(qxl, QXL_INTERRUPT_ERROR); 146 qxl->guest_bug = 1; 147 if (qxl->guestdebug) { 148 va_list ap; 149 va_start(ap, msg); 150 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id); 151 vfprintf(stderr, msg, ap); 152 fprintf(stderr, "\n"); 153 va_end(ap); 154 } 155 } 156 157 static void qxl_clear_guest_bug(PCIQXLDevice *qxl) 158 { 159 qxl->guest_bug = 0; 160 } 161 162 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id, 163 struct QXLRect *area, struct QXLRect *dirty_rects, 164 uint32_t num_dirty_rects, 165 uint32_t clear_dirty_region, 166 qxl_async_io async, struct QXLCookie *cookie) 167 { 168 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right, 169 area->top, area->bottom); 170 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects, 171 clear_dirty_region); 172 if (async == QXL_SYNC) { 173 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area, 174 dirty_rects, num_dirty_rects, clear_dirty_region); 175 } else { 176 assert(cookie != NULL); 177 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area, 178 clear_dirty_region, (uintptr_t)cookie); 179 } 180 } 181 182 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl, 183 uint32_t id) 184 { 185 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id); 186 qemu_mutex_lock(&qxl->track_lock); 187 qxl->guest_surfaces.cmds[id] = 0; 188 qxl->guest_surfaces.count--; 189 qemu_mutex_unlock(&qxl->track_lock); 190 } 191 192 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id, 193 qxl_async_io async) 194 { 195 QXLCookie *cookie; 196 197 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async); 198 if (async) { 199 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 200 QXL_IO_DESTROY_SURFACE_ASYNC); 201 cookie->u.surface_id = id; 202 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie); 203 } else { 204 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id); 205 qxl_spice_destroy_surface_wait_complete(qxl, id); 206 } 207 } 208 209 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl) 210 { 211 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count, 212 qxl->num_free_res); 213 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl, 214 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 215 QXL_IO_FLUSH_SURFACES_ASYNC)); 216 } 217 218 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext, 219 uint32_t count) 220 { 221 trace_qxl_spice_loadvm_commands(qxl->id, ext, count); 222 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count); 223 } 224 225 void qxl_spice_oom(PCIQXLDevice *qxl) 226 { 227 trace_qxl_spice_oom(qxl->id); 228 spice_qxl_oom(&qxl->ssd.qxl); 229 } 230 231 void qxl_spice_reset_memslots(PCIQXLDevice *qxl) 232 { 233 trace_qxl_spice_reset_memslots(qxl->id); 234 spice_qxl_reset_memslots(&qxl->ssd.qxl); 235 } 236 237 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl) 238 { 239 trace_qxl_spice_destroy_surfaces_complete(qxl->id); 240 qemu_mutex_lock(&qxl->track_lock); 241 memset(qxl->guest_surfaces.cmds, 0, 242 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces); 243 qxl->guest_surfaces.count = 0; 244 qemu_mutex_unlock(&qxl->track_lock); 245 } 246 247 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async) 248 { 249 trace_qxl_spice_destroy_surfaces(qxl->id, async); 250 if (async) { 251 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl, 252 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 253 QXL_IO_DESTROY_ALL_SURFACES_ASYNC)); 254 } else { 255 spice_qxl_destroy_surfaces(&qxl->ssd.qxl); 256 qxl_spice_destroy_surfaces_complete(qxl); 257 } 258 } 259 260 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay) 261 { 262 QXLMonitorsConfig *cfg; 263 264 trace_qxl_spice_monitors_config(qxl->id); 265 if (replay) { 266 /* 267 * don't use QXL_COOKIE_TYPE_IO: 268 * - we are not running yet (post_load), we will assert 269 * in send_events 270 * - this is not a guest io, but a reply, so async_io isn't set. 271 */ 272 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 273 qxl->guest_monitors_config, 274 MEMSLOT_GROUP_GUEST, 275 (uintptr_t)qxl_cookie_new( 276 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 277 0)); 278 } else { 279 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 280 if (qxl->max_outputs) { 281 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs); 282 } 283 #endif 284 qxl->guest_monitors_config = qxl->ram->monitors_config; 285 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 286 qxl->ram->monitors_config, 287 MEMSLOT_GROUP_GUEST, 288 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 289 QXL_IO_MONITORS_CONFIG_ASYNC)); 290 } 291 292 cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST); 293 if (cfg != NULL && cfg->count == 1) { 294 qxl->guest_primary.resized = 1; 295 qxl->guest_head0_width = cfg->heads[0].width; 296 qxl->guest_head0_height = cfg->heads[0].height; 297 } else { 298 qxl->guest_head0_width = 0; 299 qxl->guest_head0_height = 0; 300 } 301 } 302 303 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl) 304 { 305 trace_qxl_spice_reset_image_cache(qxl->id); 306 spice_qxl_reset_image_cache(&qxl->ssd.qxl); 307 } 308 309 void qxl_spice_reset_cursor(PCIQXLDevice *qxl) 310 { 311 trace_qxl_spice_reset_cursor(qxl->id); 312 spice_qxl_reset_cursor(&qxl->ssd.qxl); 313 qemu_mutex_lock(&qxl->track_lock); 314 qxl->guest_cursor = 0; 315 qemu_mutex_unlock(&qxl->track_lock); 316 if (qxl->ssd.cursor) { 317 cursor_put(qxl->ssd.cursor); 318 } 319 qxl->ssd.cursor = cursor_builtin_hidden(); 320 } 321 322 static uint32_t qxl_crc32(const uint8_t *p, unsigned len) 323 { 324 /* 325 * zlib xors the seed with 0xffffffff, and xors the result 326 * again with 0xffffffff; Both are not done with linux's crc32, 327 * which we want to be compatible with, so undo that. 328 */ 329 return crc32(0xffffffff, p, len) ^ 0xffffffff; 330 } 331 332 static ram_addr_t qxl_rom_size(void) 333 { 334 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes)) 335 #define QXL_ROM_SZ 8192 336 337 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ); 338 return QXL_ROM_SZ; 339 } 340 341 static void init_qxl_rom(PCIQXLDevice *d) 342 { 343 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); 344 QXLModes *modes = (QXLModes *)(rom + 1); 345 uint32_t ram_header_size; 346 uint32_t surface0_area_size; 347 uint32_t num_pages; 348 uint32_t fb; 349 int i, n; 350 351 memset(rom, 0, d->rom_size); 352 353 rom->magic = cpu_to_le32(QXL_ROM_MAGIC); 354 rom->id = cpu_to_le32(d->id); 355 rom->log_level = cpu_to_le32(d->guestdebug); 356 rom->modes_offset = cpu_to_le32(sizeof(QXLRom)); 357 358 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; 359 rom->slot_id_bits = MEMSLOT_SLOT_BITS; 360 rom->slots_start = 1; 361 rom->slots_end = NUM_MEMSLOTS - 1; 362 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); 363 364 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { 365 fb = qxl_modes[i].y_res * qxl_modes[i].stride; 366 if (fb > d->vgamem_size) { 367 continue; 368 } 369 modes->modes[n].id = cpu_to_le32(i); 370 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); 371 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); 372 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); 373 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); 374 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); 375 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); 376 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); 377 n++; 378 } 379 modes->n_modes = cpu_to_le32(n); 380 381 ram_header_size = ALIGN(sizeof(QXLRam), 4096); 382 surface0_area_size = ALIGN(d->vgamem_size, 4096); 383 num_pages = d->vga.vram_size; 384 num_pages -= ram_header_size; 385 num_pages -= surface0_area_size; 386 num_pages = num_pages / QXL_PAGE_SIZE; 387 388 assert(ram_header_size + surface0_area_size <= d->vga.vram_size); 389 390 rom->draw_area_offset = cpu_to_le32(0); 391 rom->surface0_area_size = cpu_to_le32(surface0_area_size); 392 rom->pages_offset = cpu_to_le32(surface0_area_size); 393 rom->num_pages = cpu_to_le32(num_pages); 394 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); 395 396 if (d->xres && d->yres) { 397 /* needs linux kernel 4.12+ to work */ 398 rom->client_monitors_config.count = 1; 399 rom->client_monitors_config.heads[0].left = 0; 400 rom->client_monitors_config.heads[0].top = 0; 401 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres); 402 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres); 403 rom->client_monitors_config_crc = qxl_crc32( 404 (const uint8_t *)&rom->client_monitors_config, 405 sizeof(rom->client_monitors_config)); 406 } 407 408 d->shadow_rom = *rom; 409 d->rom = rom; 410 d->modes = modes; 411 } 412 413 static void init_qxl_ram(PCIQXLDevice *d) 414 { 415 uint8_t *buf; 416 uint64_t *item; 417 418 buf = d->vga.vram_ptr; 419 d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); 420 d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); 421 d->ram->int_pending = cpu_to_le32(0); 422 d->ram->int_mask = cpu_to_le32(0); 423 d->ram->update_surface = 0; 424 d->ram->monitors_config = 0; 425 SPICE_RING_INIT(&d->ram->cmd_ring); 426 SPICE_RING_INIT(&d->ram->cursor_ring); 427 SPICE_RING_INIT(&d->ram->release_ring); 428 SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item); 429 assert(item); 430 *item = 0; 431 qxl_ring_set_dirty(d); 432 } 433 434 /* can be called from spice server thread context */ 435 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) 436 { 437 memory_region_set_dirty(mr, addr, end - addr); 438 } 439 440 static void qxl_rom_set_dirty(PCIQXLDevice *qxl) 441 { 442 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size); 443 } 444 445 /* called from spice server thread context only */ 446 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) 447 { 448 void *base = qxl->vga.vram_ptr; 449 intptr_t offset; 450 451 offset = ptr - base; 452 assert(offset < qxl->vga.vram_size); 453 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3); 454 } 455 456 /* can be called from spice server thread context */ 457 static void qxl_ring_set_dirty(PCIQXLDevice *qxl) 458 { 459 ram_addr_t addr = qxl->shadow_rom.ram_header_offset; 460 ram_addr_t end = qxl->vga.vram_size; 461 qxl_set_dirty(&qxl->vga.vram, addr, end); 462 } 463 464 /* 465 * keep track of some command state, for savevm/loadvm. 466 * called from spice server thread context only 467 */ 468 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) 469 { 470 switch (le32_to_cpu(ext->cmd.type)) { 471 case QXL_CMD_SURFACE: 472 { 473 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 474 475 if (!cmd) { 476 return 1; 477 } 478 uint32_t id = le32_to_cpu(cmd->surface_id); 479 480 if (id >= qxl->ssd.num_surfaces) { 481 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id, 482 qxl->ssd.num_surfaces); 483 return 1; 484 } 485 if (cmd->type == QXL_SURFACE_CMD_CREATE && 486 (cmd->u.surface_create.stride & 0x03) != 0) { 487 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n", 488 cmd->u.surface_create.stride); 489 return 1; 490 } 491 qemu_mutex_lock(&qxl->track_lock); 492 if (cmd->type == QXL_SURFACE_CMD_CREATE) { 493 qxl->guest_surfaces.cmds[id] = ext->cmd.data; 494 qxl->guest_surfaces.count++; 495 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) 496 qxl->guest_surfaces.max = qxl->guest_surfaces.count; 497 } 498 if (cmd->type == QXL_SURFACE_CMD_DESTROY) { 499 qxl->guest_surfaces.cmds[id] = 0; 500 qxl->guest_surfaces.count--; 501 } 502 qemu_mutex_unlock(&qxl->track_lock); 503 break; 504 } 505 case QXL_CMD_CURSOR: 506 { 507 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 508 509 if (!cmd) { 510 return 1; 511 } 512 if (cmd->type == QXL_CURSOR_SET) { 513 qemu_mutex_lock(&qxl->track_lock); 514 qxl->guest_cursor = ext->cmd.data; 515 qemu_mutex_unlock(&qxl->track_lock); 516 } 517 if (cmd->type == QXL_CURSOR_HIDE) { 518 qemu_mutex_lock(&qxl->track_lock); 519 qxl->guest_cursor = 0; 520 qemu_mutex_unlock(&qxl->track_lock); 521 } 522 break; 523 } 524 } 525 return 0; 526 } 527 528 /* spice display interface callbacks */ 529 530 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) 531 { 532 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 533 534 trace_qxl_interface_attach_worker(qxl->id); 535 } 536 537 static void interface_set_compression_level(QXLInstance *sin, int level) 538 { 539 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 540 541 trace_qxl_interface_set_compression_level(qxl->id, level); 542 qxl->shadow_rom.compression_level = cpu_to_le32(level); 543 qxl->rom->compression_level = cpu_to_le32(level); 544 qxl_rom_set_dirty(qxl); 545 } 546 547 #if SPICE_NEEDS_SET_MM_TIME 548 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) 549 { 550 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 551 552 if (!qemu_spice_display_is_running(&qxl->ssd)) { 553 return; 554 } 555 556 trace_qxl_interface_set_mm_time(qxl->id, mm_time); 557 qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time); 558 qxl->rom->mm_clock = cpu_to_le32(mm_time); 559 qxl_rom_set_dirty(qxl); 560 } 561 #endif 562 563 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) 564 { 565 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 566 567 trace_qxl_interface_get_init_info(qxl->id); 568 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; 569 info->memslot_id_bits = MEMSLOT_SLOT_BITS; 570 info->num_memslots = NUM_MEMSLOTS; 571 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; 572 info->internal_groupslot_id = 0; 573 info->qxl_ram_size = 574 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS; 575 info->n_surfaces = qxl->ssd.num_surfaces; 576 } 577 578 static const char *qxl_mode_to_string(int mode) 579 { 580 switch (mode) { 581 case QXL_MODE_COMPAT: 582 return "compat"; 583 case QXL_MODE_NATIVE: 584 return "native"; 585 case QXL_MODE_UNDEFINED: 586 return "undefined"; 587 case QXL_MODE_VGA: 588 return "vga"; 589 } 590 return "INVALID"; 591 } 592 593 static const char *io_port_to_string(uint32_t io_port) 594 { 595 if (io_port >= QXL_IO_RANGE_SIZE) { 596 return "out of range"; 597 } 598 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { 599 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD", 600 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR", 601 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA", 602 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ", 603 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM", 604 [QXL_IO_RESET] = "QXL_IO_RESET", 605 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE", 606 [QXL_IO_LOG] = "QXL_IO_LOG", 607 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD", 608 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL", 609 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY", 610 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY", 611 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY", 612 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY", 613 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT", 614 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES", 615 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC", 616 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC", 617 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC", 618 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC", 619 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC", 620 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC] 621 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC", 622 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC", 623 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE", 624 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC", 625 }; 626 return io_port_to_string[io_port]; 627 } 628 629 /* called from spice server thread context only */ 630 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) 631 { 632 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 633 SimpleSpiceUpdate *update; 634 QXLCommandRing *ring; 635 QXLCommand *cmd; 636 int notify, ret; 637 638 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); 639 640 switch (qxl->mode) { 641 case QXL_MODE_VGA: 642 ret = false; 643 qemu_mutex_lock(&qxl->ssd.lock); 644 update = QTAILQ_FIRST(&qxl->ssd.updates); 645 if (update != NULL) { 646 QTAILQ_REMOVE(&qxl->ssd.updates, update, next); 647 *ext = update->ext; 648 ret = true; 649 } 650 qemu_mutex_unlock(&qxl->ssd.lock); 651 if (ret) { 652 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 653 qxl_log_command(qxl, "vga", ext); 654 } 655 return ret; 656 case QXL_MODE_COMPAT: 657 case QXL_MODE_NATIVE: 658 case QXL_MODE_UNDEFINED: 659 ring = &qxl->ram->cmd_ring; 660 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) { 661 return false; 662 } 663 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 664 if (!cmd) { 665 return false; 666 } 667 ext->cmd = *cmd; 668 ext->group_id = MEMSLOT_GROUP_GUEST; 669 ext->flags = qxl->cmdflags; 670 SPICE_RING_POP(ring, notify); 671 qxl_ring_set_dirty(qxl); 672 if (notify) { 673 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); 674 } 675 qxl->guest_primary.commands++; 676 qxl_track_command(qxl, ext); 677 qxl_log_command(qxl, "cmd", ext); 678 { 679 /* 680 * Windows 8 drivers place qxl commands in the vram 681 * (instead of the ram) bar. We can't live migrate such a 682 * guest, so add a migration blocker in case we detect 683 * this, to avoid triggering the assert in pre_save(). 684 * 685 * https://cgit.freedesktop.org/spice/win32/qxl-wddm-dod/commit/?id=f6e099db39e7d0787f294d5fd0dce328b5210faa 686 */ 687 void *msg = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); 688 if (msg != NULL && ( 689 msg < (void *)qxl->vga.vram_ptr || 690 msg > ((void *)qxl->vga.vram_ptr + qxl->vga.vram_size))) { 691 if (!qxl->migration_blocker) { 692 Error *local_err = NULL; 693 error_setg(&qxl->migration_blocker, 694 "qxl: guest bug: command not in ram bar"); 695 migrate_add_blocker(qxl->migration_blocker, &local_err); 696 if (local_err) { 697 error_report_err(local_err); 698 } 699 } 700 } 701 } 702 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 703 return true; 704 default: 705 return false; 706 } 707 } 708 709 /* called from spice server thread context only */ 710 static int interface_req_cmd_notification(QXLInstance *sin) 711 { 712 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 713 int wait = 1; 714 715 trace_qxl_ring_command_req_notification(qxl->id); 716 switch (qxl->mode) { 717 case QXL_MODE_COMPAT: 718 case QXL_MODE_NATIVE: 719 case QXL_MODE_UNDEFINED: 720 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); 721 qxl_ring_set_dirty(qxl); 722 break; 723 default: 724 /* nothing */ 725 break; 726 } 727 return wait; 728 } 729 730 /* called from spice server thread context only */ 731 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) 732 { 733 QXLReleaseRing *ring = &d->ram->release_ring; 734 uint64_t *item; 735 int notify; 736 737 #define QXL_FREE_BUNCH_SIZE 32 738 739 if (ring->prod - ring->cons + 1 == ring->num_items) { 740 /* ring full -- can't push */ 741 return; 742 } 743 if (!flush && d->oom_running) { 744 /* collect everything from oom handler before pushing */ 745 return; 746 } 747 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) { 748 /* collect a bit more before pushing */ 749 return; 750 } 751 752 SPICE_RING_PUSH(ring, notify); 753 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), 754 d->guest_surfaces.count, d->num_free_res, 755 d->last_release, notify ? "yes" : "no"); 756 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, 757 ring->num_items, ring->prod, ring->cons); 758 if (notify) { 759 qxl_send_events(d, QXL_INTERRUPT_DISPLAY); 760 } 761 SPICE_RING_PROD_ITEM(d, ring, item); 762 if (!item) { 763 return; 764 } 765 *item = 0; 766 d->num_free_res = 0; 767 d->last_release = NULL; 768 qxl_ring_set_dirty(d); 769 } 770 771 /* called from spice server thread context only */ 772 static void interface_release_resource(QXLInstance *sin, 773 QXLReleaseInfoExt ext) 774 { 775 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 776 QXLReleaseRing *ring; 777 uint64_t *item, id; 778 779 if (ext.group_id == MEMSLOT_GROUP_HOST) { 780 /* host group -> vga mode update request */ 781 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id); 782 SimpleSpiceUpdate *update; 783 g_assert(cmdext->cmd.type == QXL_CMD_DRAW); 784 update = container_of(cmdext, SimpleSpiceUpdate, ext); 785 qemu_spice_destroy_update(&qxl->ssd, update); 786 return; 787 } 788 789 /* 790 * ext->info points into guest-visible memory 791 * pci bar 0, $command.release_info 792 */ 793 ring = &qxl->ram->release_ring; 794 SPICE_RING_PROD_ITEM(qxl, ring, item); 795 if (!item) { 796 return; 797 } 798 if (*item == 0) { 799 /* stick head into the ring */ 800 id = ext.info->id; 801 ext.info->next = 0; 802 qxl_ram_set_dirty(qxl, &ext.info->next); 803 *item = id; 804 qxl_ring_set_dirty(qxl); 805 } else { 806 /* append item to the list */ 807 qxl->last_release->next = ext.info->id; 808 qxl_ram_set_dirty(qxl, &qxl->last_release->next); 809 ext.info->next = 0; 810 qxl_ram_set_dirty(qxl, &ext.info->next); 811 } 812 qxl->last_release = ext.info; 813 qxl->num_free_res++; 814 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); 815 qxl_push_free_res(qxl, 0); 816 } 817 818 /* called from spice server thread context only */ 819 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) 820 { 821 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 822 QXLCursorRing *ring; 823 QXLCommand *cmd; 824 int notify; 825 826 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); 827 828 switch (qxl->mode) { 829 case QXL_MODE_COMPAT: 830 case QXL_MODE_NATIVE: 831 case QXL_MODE_UNDEFINED: 832 ring = &qxl->ram->cursor_ring; 833 if (SPICE_RING_IS_EMPTY(ring)) { 834 return false; 835 } 836 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 837 if (!cmd) { 838 return false; 839 } 840 ext->cmd = *cmd; 841 ext->group_id = MEMSLOT_GROUP_GUEST; 842 ext->flags = qxl->cmdflags; 843 SPICE_RING_POP(ring, notify); 844 qxl_ring_set_dirty(qxl); 845 if (notify) { 846 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); 847 } 848 qxl->guest_primary.commands++; 849 qxl_track_command(qxl, ext); 850 qxl_log_command(qxl, "csr", ext); 851 if (qxl->have_vga) { 852 qxl_render_cursor(qxl, ext); 853 } 854 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); 855 return true; 856 default: 857 return false; 858 } 859 } 860 861 /* called from spice server thread context only */ 862 static int interface_req_cursor_notification(QXLInstance *sin) 863 { 864 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 865 int wait = 1; 866 867 trace_qxl_ring_cursor_req_notification(qxl->id); 868 switch (qxl->mode) { 869 case QXL_MODE_COMPAT: 870 case QXL_MODE_NATIVE: 871 case QXL_MODE_UNDEFINED: 872 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); 873 qxl_ring_set_dirty(qxl); 874 break; 875 default: 876 /* nothing */ 877 break; 878 } 879 return wait; 880 } 881 882 /* called from spice server thread context */ 883 static void interface_notify_update(QXLInstance *sin, uint32_t update_id) 884 { 885 /* 886 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in 887 * use by xf86-video-qxl and is defined out in the qxl windows driver. 888 * Probably was at some earlier version that is prior to git start (2009), 889 * and is still guest trigerrable. 890 */ 891 fprintf(stderr, "%s: deprecated\n", __func__); 892 } 893 894 /* called from spice server thread context only */ 895 static int interface_flush_resources(QXLInstance *sin) 896 { 897 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 898 int ret; 899 900 ret = qxl->num_free_res; 901 if (ret) { 902 qxl_push_free_res(qxl, 1); 903 } 904 return ret; 905 } 906 907 static void qxl_create_guest_primary_complete(PCIQXLDevice *d); 908 909 /* called from spice server thread context only */ 910 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) 911 { 912 uint32_t current_async; 913 914 qemu_mutex_lock(&qxl->async_lock); 915 current_async = qxl->current_async; 916 qxl->current_async = QXL_UNDEFINED_IO; 917 qemu_mutex_unlock(&qxl->async_lock); 918 919 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); 920 if (!cookie) { 921 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__); 922 return; 923 } 924 if (cookie && current_async != cookie->io) { 925 fprintf(stderr, 926 "qxl: %s: error: current_async = %d != %" 927 PRId64 " = cookie->io\n", __func__, current_async, cookie->io); 928 } 929 switch (current_async) { 930 case QXL_IO_MEMSLOT_ADD_ASYNC: 931 case QXL_IO_DESTROY_PRIMARY_ASYNC: 932 case QXL_IO_UPDATE_AREA_ASYNC: 933 case QXL_IO_FLUSH_SURFACES_ASYNC: 934 case QXL_IO_MONITORS_CONFIG_ASYNC: 935 break; 936 case QXL_IO_CREATE_PRIMARY_ASYNC: 937 qxl_create_guest_primary_complete(qxl); 938 break; 939 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 940 qxl_spice_destroy_surfaces_complete(qxl); 941 break; 942 case QXL_IO_DESTROY_SURFACE_ASYNC: 943 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); 944 break; 945 default: 946 fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__, 947 current_async); 948 } 949 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); 950 } 951 952 /* called from spice server thread context only */ 953 static void interface_update_area_complete(QXLInstance *sin, 954 uint32_t surface_id, 955 QXLRect *dirty, uint32_t num_updated_rects) 956 { 957 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 958 int i; 959 int qxl_i; 960 961 qemu_mutex_lock(&qxl->ssd.lock); 962 if (surface_id != 0 || !num_updated_rects || 963 !qxl->render_update_cookie_num) { 964 qemu_mutex_unlock(&qxl->ssd.lock); 965 return; 966 } 967 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, 968 dirty->right, dirty->top, dirty->bottom); 969 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); 970 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) { 971 /* 972 * overflow - treat this as a full update. Not expected to be common. 973 */ 974 trace_qxl_interface_update_area_complete_overflow(qxl->id, 975 QXL_NUM_DIRTY_RECTS); 976 qxl->guest_primary.resized = 1; 977 } 978 if (qxl->guest_primary.resized) { 979 /* 980 * Don't bother copying or scheduling the bh since we will flip 981 * the whole area anyway on completion of the update_area async call 982 */ 983 qemu_mutex_unlock(&qxl->ssd.lock); 984 return; 985 } 986 qxl_i = qxl->num_dirty_rects; 987 for (i = 0; i < num_updated_rects; i++) { 988 qxl->dirty[qxl_i++] = dirty[i]; 989 } 990 qxl->num_dirty_rects += num_updated_rects; 991 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, 992 qxl->num_dirty_rects); 993 qemu_bh_schedule(qxl->update_area_bh); 994 qemu_mutex_unlock(&qxl->ssd.lock); 995 } 996 997 /* called from spice server thread context only */ 998 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) 999 { 1000 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1001 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; 1002 1003 switch (cookie->type) { 1004 case QXL_COOKIE_TYPE_IO: 1005 interface_async_complete_io(qxl, cookie); 1006 g_free(cookie); 1007 break; 1008 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA: 1009 qxl_render_update_area_done(qxl, cookie); 1010 break; 1011 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG: 1012 break; 1013 default: 1014 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n", 1015 __func__, cookie->type); 1016 g_free(cookie); 1017 } 1018 } 1019 1020 /* called from spice server thread context only */ 1021 static void interface_set_client_capabilities(QXLInstance *sin, 1022 uint8_t client_present, 1023 uint8_t caps[58]) 1024 { 1025 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1026 1027 if (qxl->revision < 4) { 1028 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, 1029 qxl->revision); 1030 return; 1031 } 1032 1033 if (runstate_check(RUN_STATE_INMIGRATE) || 1034 runstate_check(RUN_STATE_POSTMIGRATE)) { 1035 return; 1036 } 1037 1038 qxl->shadow_rom.client_present = client_present; 1039 memcpy(qxl->shadow_rom.client_capabilities, caps, 1040 sizeof(qxl->shadow_rom.client_capabilities)); 1041 qxl->rom->client_present = client_present; 1042 memcpy(qxl->rom->client_capabilities, caps, 1043 sizeof(qxl->rom->client_capabilities)); 1044 qxl_rom_set_dirty(qxl); 1045 1046 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); 1047 } 1048 1049 static bool qxl_rom_monitors_config_changed(QXLRom *rom, 1050 VDAgentMonitorsConfig *monitors_config, 1051 unsigned int max_outputs) 1052 { 1053 int i; 1054 unsigned int monitors_count; 1055 1056 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs); 1057 1058 if (rom->client_monitors_config.count != monitors_count) { 1059 return true; 1060 } 1061 1062 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1063 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1064 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1065 /* monitor->depth ignored */ 1066 if ((rect->left != monitor->x) || 1067 (rect->top != monitor->y) || 1068 (rect->right != monitor->x + monitor->width) || 1069 (rect->bottom != monitor->y + monitor->height)) { 1070 return true; 1071 } 1072 } 1073 1074 return false; 1075 } 1076 1077 /* called from main context only */ 1078 static int interface_client_monitors_config(QXLInstance *sin, 1079 VDAgentMonitorsConfig *monitors_config) 1080 { 1081 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1082 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); 1083 int i; 1084 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads); 1085 bool config_changed = false; 1086 1087 if (qxl->revision < 4) { 1088 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, 1089 qxl->revision); 1090 return 0; 1091 } 1092 /* 1093 * Older windows drivers set int_mask to 0 when their ISR is called, 1094 * then later set it to ~0. So it doesn't relate to the actual interrupts 1095 * handled. However, they are old, so clearly they don't support this 1096 * interrupt 1097 */ 1098 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || 1099 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { 1100 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, 1101 qxl->ram->int_mask, 1102 monitors_config); 1103 return 0; 1104 } 1105 if (!monitors_config) { 1106 return 1; 1107 } 1108 1109 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 1110 /* limit number of outputs based on setting limit */ 1111 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) { 1112 max_outputs = qxl->max_outputs; 1113 } 1114 #endif 1115 1116 config_changed = qxl_rom_monitors_config_changed(rom, 1117 monitors_config, 1118 max_outputs); 1119 1120 memset(&rom->client_monitors_config, 0, 1121 sizeof(rom->client_monitors_config)); 1122 rom->client_monitors_config.count = monitors_config->num_of_monitors; 1123 /* monitors_config->flags ignored */ 1124 if (rom->client_monitors_config.count >= max_outputs) { 1125 trace_qxl_client_monitors_config_capped(qxl->id, 1126 monitors_config->num_of_monitors, 1127 max_outputs); 1128 rom->client_monitors_config.count = max_outputs; 1129 } 1130 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1131 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1132 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1133 /* monitor->depth ignored */ 1134 rect->left = monitor->x; 1135 rect->top = monitor->y; 1136 rect->right = monitor->x + monitor->width; 1137 rect->bottom = monitor->y + monitor->height; 1138 } 1139 rom->client_monitors_config_crc = qxl_crc32( 1140 (const uint8_t *)&rom->client_monitors_config, 1141 sizeof(rom->client_monitors_config)); 1142 trace_qxl_client_monitors_config_crc(qxl->id, 1143 sizeof(rom->client_monitors_config), 1144 rom->client_monitors_config_crc); 1145 1146 trace_qxl_interrupt_client_monitors_config(qxl->id, 1147 rom->client_monitors_config.count, 1148 rom->client_monitors_config.heads); 1149 if (config_changed) { 1150 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); 1151 } 1152 return 1; 1153 } 1154 1155 static const QXLInterface qxl_interface = { 1156 .base.type = SPICE_INTERFACE_QXL, 1157 .base.description = "qxl gpu", 1158 .base.major_version = SPICE_INTERFACE_QXL_MAJOR, 1159 .base.minor_version = SPICE_INTERFACE_QXL_MINOR, 1160 1161 .attache_worker = interface_attach_worker, 1162 .set_compression_level = interface_set_compression_level, 1163 #if SPICE_NEEDS_SET_MM_TIME 1164 .set_mm_time = interface_set_mm_time, 1165 #endif 1166 .get_init_info = interface_get_init_info, 1167 1168 /* the callbacks below are called from spice server thread context */ 1169 .get_command = interface_get_command, 1170 .req_cmd_notification = interface_req_cmd_notification, 1171 .release_resource = interface_release_resource, 1172 .get_cursor_command = interface_get_cursor_command, 1173 .req_cursor_notification = interface_req_cursor_notification, 1174 .notify_update = interface_notify_update, 1175 .flush_resources = interface_flush_resources, 1176 .async_complete = interface_async_complete, 1177 .update_area_complete = interface_update_area_complete, 1178 .set_client_capabilities = interface_set_client_capabilities, 1179 .client_monitors_config = interface_client_monitors_config, 1180 }; 1181 1182 static const GraphicHwOps qxl_ops = { 1183 .gfx_update = qxl_hw_update, 1184 }; 1185 1186 static void qxl_enter_vga_mode(PCIQXLDevice *d) 1187 { 1188 if (d->mode == QXL_MODE_VGA) { 1189 return; 1190 } 1191 trace_qxl_enter_vga_mode(d->id); 1192 spice_qxl_driver_unload(&d->ssd.qxl); 1193 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga); 1194 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT); 1195 qemu_spice_create_host_primary(&d->ssd); 1196 d->mode = QXL_MODE_VGA; 1197 qemu_spice_display_switch(&d->ssd, d->ssd.ds); 1198 vga_dirty_log_start(&d->vga); 1199 graphic_hw_update(d->vga.con); 1200 } 1201 1202 static void qxl_exit_vga_mode(PCIQXLDevice *d) 1203 { 1204 if (d->mode != QXL_MODE_VGA) { 1205 return; 1206 } 1207 trace_qxl_exit_vga_mode(d->id); 1208 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d); 1209 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE); 1210 vga_dirty_log_stop(&d->vga); 1211 qxl_destroy_primary(d, QXL_SYNC); 1212 } 1213 1214 static void qxl_update_irq(PCIQXLDevice *d) 1215 { 1216 uint32_t pending = le32_to_cpu(d->ram->int_pending); 1217 uint32_t mask = le32_to_cpu(d->ram->int_mask); 1218 int level = !!(pending & mask); 1219 pci_set_irq(&d->pci, level); 1220 qxl_ring_set_dirty(d); 1221 } 1222 1223 static void qxl_check_state(PCIQXLDevice *d) 1224 { 1225 QXLRam *ram = d->ram; 1226 int spice_display_running = qemu_spice_display_is_running(&d->ssd); 1227 1228 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); 1229 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); 1230 } 1231 1232 static void qxl_reset_state(PCIQXLDevice *d) 1233 { 1234 QXLRom *rom = d->rom; 1235 1236 qxl_check_state(d); 1237 d->shadow_rom.update_id = cpu_to_le32(0); 1238 *rom = d->shadow_rom; 1239 qxl_rom_set_dirty(d); 1240 init_qxl_ram(d); 1241 d->num_free_res = 0; 1242 d->last_release = NULL; 1243 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); 1244 qxl_update_irq(d); 1245 } 1246 1247 static void qxl_soft_reset(PCIQXLDevice *d) 1248 { 1249 trace_qxl_soft_reset(d->id); 1250 qxl_check_state(d); 1251 qxl_clear_guest_bug(d); 1252 qemu_mutex_lock(&d->async_lock); 1253 d->current_async = QXL_UNDEFINED_IO; 1254 qemu_mutex_unlock(&d->async_lock); 1255 1256 if (d->have_vga) { 1257 qxl_enter_vga_mode(d); 1258 } else { 1259 d->mode = QXL_MODE_UNDEFINED; 1260 } 1261 } 1262 1263 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) 1264 { 1265 bool startstop = qemu_spice_display_is_running(&d->ssd); 1266 1267 trace_qxl_hard_reset(d->id, loadvm); 1268 1269 if (startstop) { 1270 qemu_spice_display_stop(); 1271 } 1272 1273 qxl_spice_reset_cursor(d); 1274 qxl_spice_reset_image_cache(d); 1275 qxl_reset_surfaces(d); 1276 qxl_reset_memslots(d); 1277 1278 /* pre loadvm reset must not touch QXLRam. This lives in 1279 * device memory, is migrated together with RAM and thus 1280 * already loaded at this point */ 1281 if (!loadvm) { 1282 qxl_reset_state(d); 1283 } 1284 qemu_spice_create_host_memslot(&d->ssd); 1285 qxl_soft_reset(d); 1286 1287 if (d->migration_blocker) { 1288 migrate_del_blocker(d->migration_blocker); 1289 error_free(d->migration_blocker); 1290 d->migration_blocker = NULL; 1291 } 1292 1293 if (startstop) { 1294 qemu_spice_display_start(); 1295 } 1296 } 1297 1298 static void qxl_reset_handler(DeviceState *dev) 1299 { 1300 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev)); 1301 1302 qxl_hard_reset(d, 0); 1303 } 1304 1305 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) 1306 { 1307 VGACommonState *vga = opaque; 1308 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); 1309 1310 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); 1311 if (qxl->mode != QXL_MODE_VGA) { 1312 qxl_destroy_primary(qxl, QXL_SYNC); 1313 qxl_soft_reset(qxl); 1314 } 1315 vga_ioport_write(opaque, addr, val); 1316 } 1317 1318 static const MemoryRegionPortio qxl_vga_portio_list[] = { 1319 { 0x04, 2, 1, .read = vga_ioport_read, 1320 .write = qxl_vga_ioport_write }, /* 3b4 */ 1321 { 0x0a, 1, 1, .read = vga_ioport_read, 1322 .write = qxl_vga_ioport_write }, /* 3ba */ 1323 { 0x10, 16, 1, .read = vga_ioport_read, 1324 .write = qxl_vga_ioport_write }, /* 3c0 */ 1325 { 0x24, 2, 1, .read = vga_ioport_read, 1326 .write = qxl_vga_ioport_write }, /* 3d4 */ 1327 { 0x2a, 1, 1, .read = vga_ioport_read, 1328 .write = qxl_vga_ioport_write }, /* 3da */ 1329 PORTIO_END_OF_LIST(), 1330 }; 1331 1332 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, 1333 qxl_async_io async) 1334 { 1335 static const int regions[] = { 1336 QXL_RAM_RANGE_INDEX, 1337 QXL_VRAM_RANGE_INDEX, 1338 QXL_VRAM64_RANGE_INDEX, 1339 }; 1340 uint64_t guest_start; 1341 uint64_t guest_end; 1342 int pci_region; 1343 pcibus_t pci_start; 1344 pcibus_t pci_end; 1345 MemoryRegion *mr; 1346 intptr_t virt_start; 1347 QXLDevMemSlot memslot; 1348 int i; 1349 1350 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); 1351 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); 1352 1353 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); 1354 1355 if (slot_id >= NUM_MEMSLOTS) { 1356 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__, 1357 slot_id, NUM_MEMSLOTS); 1358 return 1; 1359 } 1360 if (guest_start > guest_end) { 1361 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64 1362 " > 0x%" PRIx64, __func__, guest_start, guest_end); 1363 return 1; 1364 } 1365 1366 for (i = 0; i < ARRAY_SIZE(regions); i++) { 1367 pci_region = regions[i]; 1368 pci_start = d->pci.io_regions[pci_region].addr; 1369 pci_end = pci_start + d->pci.io_regions[pci_region].size; 1370 /* mapped? */ 1371 if (pci_start == -1) { 1372 continue; 1373 } 1374 /* start address in range ? */ 1375 if (guest_start < pci_start || guest_start > pci_end) { 1376 continue; 1377 } 1378 /* end address in range ? */ 1379 if (guest_end > pci_end) { 1380 continue; 1381 } 1382 /* passed */ 1383 break; 1384 } 1385 if (i == ARRAY_SIZE(regions)) { 1386 qxl_set_guest_bug(d, "%s: finished loop without match", __func__); 1387 return 1; 1388 } 1389 1390 switch (pci_region) { 1391 case QXL_RAM_RANGE_INDEX: 1392 mr = &d->vga.vram; 1393 break; 1394 case QXL_VRAM_RANGE_INDEX: 1395 case 4 /* vram 64bit */: 1396 mr = &d->vram_bar; 1397 break; 1398 default: 1399 /* should not happen */ 1400 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); 1401 return 1; 1402 } 1403 1404 virt_start = (intptr_t)memory_region_get_ram_ptr(mr); 1405 memslot.slot_id = slot_id; 1406 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */ 1407 memslot.virt_start = virt_start + (guest_start - pci_start); 1408 memslot.virt_end = virt_start + (guest_end - pci_start); 1409 memslot.addr_delta = memslot.virt_start - delta; 1410 memslot.generation = d->rom->slot_generation = 0; 1411 qxl_rom_set_dirty(d); 1412 1413 qemu_spice_add_memslot(&d->ssd, &memslot, async); 1414 d->guest_slots[slot_id].mr = mr; 1415 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start; 1416 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; 1417 d->guest_slots[slot_id].delta = delta; 1418 d->guest_slots[slot_id].active = 1; 1419 return 0; 1420 } 1421 1422 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) 1423 { 1424 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); 1425 d->guest_slots[slot_id].active = 0; 1426 } 1427 1428 static void qxl_reset_memslots(PCIQXLDevice *d) 1429 { 1430 qxl_spice_reset_memslots(d); 1431 memset(&d->guest_slots, 0, sizeof(d->guest_slots)); 1432 } 1433 1434 static void qxl_reset_surfaces(PCIQXLDevice *d) 1435 { 1436 trace_qxl_reset_surfaces(d->id); 1437 d->mode = QXL_MODE_UNDEFINED; 1438 qxl_spice_destroy_surfaces(d, QXL_SYNC); 1439 } 1440 1441 /* can be also called from spice server thread context */ 1442 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1443 uint32_t *s, uint64_t *o) 1444 { 1445 uint64_t phys = le64_to_cpu(pqxl); 1446 uint32_t slot = (phys >> (64 - 8)) & 0xff; 1447 uint64_t offset = phys & 0xffffffffffff; 1448 1449 if (slot >= NUM_MEMSLOTS) { 1450 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot, 1451 NUM_MEMSLOTS); 1452 return false; 1453 } 1454 if (!qxl->guest_slots[slot].active) { 1455 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot); 1456 return false; 1457 } 1458 if (offset < qxl->guest_slots[slot].delta) { 1459 qxl_set_guest_bug(qxl, 1460 "slot %d offset %"PRIu64" < delta %"PRIu64"\n", 1461 slot, offset, qxl->guest_slots[slot].delta); 1462 return false; 1463 } 1464 offset -= qxl->guest_slots[slot].delta; 1465 if (offset > qxl->guest_slots[slot].size) { 1466 qxl_set_guest_bug(qxl, 1467 "slot %d offset %"PRIu64" > size %"PRIu64"\n", 1468 slot, offset, qxl->guest_slots[slot].size); 1469 return false; 1470 } 1471 1472 *s = slot; 1473 *o = offset; 1474 return true; 1475 } 1476 1477 /* can be also called from spice server thread context */ 1478 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id) 1479 { 1480 uint64_t offset; 1481 uint32_t slot; 1482 void *ptr; 1483 1484 switch (group_id) { 1485 case MEMSLOT_GROUP_HOST: 1486 offset = le64_to_cpu(pqxl) & 0xffffffffffff; 1487 return (void *)(intptr_t)offset; 1488 case MEMSLOT_GROUP_GUEST: 1489 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset)) { 1490 return NULL; 1491 } 1492 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr); 1493 ptr += qxl->guest_slots[slot].offset; 1494 ptr += offset; 1495 return ptr; 1496 } 1497 return NULL; 1498 } 1499 1500 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) 1501 { 1502 /* for local rendering */ 1503 qxl_render_resize(qxl); 1504 } 1505 1506 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, 1507 qxl_async_io async) 1508 { 1509 QXLDevSurfaceCreate surface; 1510 QXLSurfaceCreate *sc = &qxl->guest_primary.surface; 1511 uint32_t requested_height = le32_to_cpu(sc->height); 1512 int requested_stride = le32_to_cpu(sc->stride); 1513 1514 if (requested_stride == INT32_MIN || 1515 abs(requested_stride) * (uint64_t)requested_height 1516 > qxl->vgamem_size) { 1517 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer" 1518 " stride %d x height %" PRIu32 " > %" PRIu32, 1519 __func__, requested_stride, requested_height, 1520 qxl->vgamem_size); 1521 return; 1522 } 1523 1524 if (qxl->mode == QXL_MODE_NATIVE) { 1525 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE", 1526 __func__); 1527 } 1528 qxl_exit_vga_mode(qxl); 1529 1530 surface.format = le32_to_cpu(sc->format); 1531 surface.height = le32_to_cpu(sc->height); 1532 surface.mem = le64_to_cpu(sc->mem); 1533 surface.position = le32_to_cpu(sc->position); 1534 surface.stride = le32_to_cpu(sc->stride); 1535 surface.width = le32_to_cpu(sc->width); 1536 surface.type = le32_to_cpu(sc->type); 1537 surface.flags = le32_to_cpu(sc->flags); 1538 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, 1539 sc->format, sc->position); 1540 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, 1541 sc->flags); 1542 1543 if ((surface.stride & 0x3) != 0) { 1544 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0", 1545 surface.stride); 1546 return; 1547 } 1548 1549 surface.mouse_mode = true; 1550 surface.group_id = MEMSLOT_GROUP_GUEST; 1551 if (loadvm) { 1552 surface.flags |= QXL_SURF_FLAG_KEEP_DATA; 1553 } 1554 1555 qxl->mode = QXL_MODE_NATIVE; 1556 qxl->cmdflags = 0; 1557 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async); 1558 1559 if (async == QXL_SYNC) { 1560 qxl_create_guest_primary_complete(qxl); 1561 } 1562 } 1563 1564 /* return 1 if surface destoy was initiated (in QXL_ASYNC case) or 1565 * done (in QXL_SYNC case), 0 otherwise. */ 1566 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) 1567 { 1568 if (d->mode == QXL_MODE_UNDEFINED) { 1569 return 0; 1570 } 1571 trace_qxl_destroy_primary(d->id); 1572 d->mode = QXL_MODE_UNDEFINED; 1573 qemu_spice_destroy_primary_surface(&d->ssd, 0, async); 1574 qxl_spice_reset_cursor(d); 1575 return 1; 1576 } 1577 1578 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) 1579 { 1580 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1581 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; 1582 QXLMode *mode = d->modes->modes + modenr; 1583 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1584 QXLMemSlot slot = { 1585 .mem_start = start, 1586 .mem_end = end 1587 }; 1588 1589 if (modenr >= d->modes->n_modes) { 1590 qxl_set_guest_bug(d, "mode number out of range"); 1591 return; 1592 } 1593 1594 QXLSurfaceCreate surface = { 1595 .width = mode->x_res, 1596 .height = mode->y_res, 1597 .stride = -mode->x_res * 4, 1598 .format = SPICE_SURFACE_FMT_32_xRGB, 1599 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, 1600 .mouse_mode = true, 1601 .mem = devmem + d->shadow_rom.draw_area_offset, 1602 }; 1603 1604 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, 1605 devmem); 1606 if (!loadvm) { 1607 qxl_hard_reset(d, 0); 1608 } 1609 1610 d->guest_slots[0].slot = slot; 1611 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); 1612 1613 d->guest_primary.surface = surface; 1614 qxl_create_guest_primary(d, 0, QXL_SYNC); 1615 1616 d->mode = QXL_MODE_COMPAT; 1617 d->cmdflags = QXL_COMMAND_FLAG_COMPAT; 1618 if (mode->bits == 16) { 1619 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; 1620 } 1621 d->shadow_rom.mode = cpu_to_le32(modenr); 1622 d->rom->mode = cpu_to_le32(modenr); 1623 qxl_rom_set_dirty(d); 1624 } 1625 1626 static void ioport_write(void *opaque, hwaddr addr, 1627 uint64_t val, unsigned size) 1628 { 1629 PCIQXLDevice *d = opaque; 1630 uint32_t io_port = addr; 1631 qxl_async_io async = QXL_SYNC; 1632 uint32_t orig_io_port = io_port; 1633 1634 if (d->guest_bug && io_port != QXL_IO_RESET) { 1635 return; 1636 } 1637 1638 if (d->revision <= QXL_REVISION_STABLE_V10 && 1639 io_port > QXL_IO_FLUSH_RELEASE) { 1640 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n", 1641 io_port, d->revision); 1642 return; 1643 } 1644 1645 switch (io_port) { 1646 case QXL_IO_RESET: 1647 case QXL_IO_SET_MODE: 1648 case QXL_IO_MEMSLOT_ADD: 1649 case QXL_IO_MEMSLOT_DEL: 1650 case QXL_IO_CREATE_PRIMARY: 1651 case QXL_IO_UPDATE_IRQ: 1652 case QXL_IO_LOG: 1653 case QXL_IO_MEMSLOT_ADD_ASYNC: 1654 case QXL_IO_CREATE_PRIMARY_ASYNC: 1655 break; 1656 default: 1657 if (d->mode != QXL_MODE_VGA) { 1658 break; 1659 } 1660 trace_qxl_io_unexpected_vga_mode(d->id, 1661 addr, val, io_port_to_string(io_port)); 1662 /* be nice to buggy guest drivers */ 1663 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && 1664 io_port < QXL_IO_RANGE_SIZE) { 1665 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1666 } 1667 return; 1668 } 1669 1670 /* we change the io_port to avoid ifdeffery in the main switch */ 1671 orig_io_port = io_port; 1672 switch (io_port) { 1673 case QXL_IO_UPDATE_AREA_ASYNC: 1674 io_port = QXL_IO_UPDATE_AREA; 1675 goto async_common; 1676 case QXL_IO_MEMSLOT_ADD_ASYNC: 1677 io_port = QXL_IO_MEMSLOT_ADD; 1678 goto async_common; 1679 case QXL_IO_CREATE_PRIMARY_ASYNC: 1680 io_port = QXL_IO_CREATE_PRIMARY; 1681 goto async_common; 1682 case QXL_IO_DESTROY_PRIMARY_ASYNC: 1683 io_port = QXL_IO_DESTROY_PRIMARY; 1684 goto async_common; 1685 case QXL_IO_DESTROY_SURFACE_ASYNC: 1686 io_port = QXL_IO_DESTROY_SURFACE_WAIT; 1687 goto async_common; 1688 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 1689 io_port = QXL_IO_DESTROY_ALL_SURFACES; 1690 goto async_common; 1691 case QXL_IO_FLUSH_SURFACES_ASYNC: 1692 case QXL_IO_MONITORS_CONFIG_ASYNC: 1693 async_common: 1694 async = QXL_ASYNC; 1695 qemu_mutex_lock(&d->async_lock); 1696 if (d->current_async != QXL_UNDEFINED_IO) { 1697 qxl_set_guest_bug(d, "%d async started before last (%d) complete", 1698 io_port, d->current_async); 1699 qemu_mutex_unlock(&d->async_lock); 1700 return; 1701 } 1702 d->current_async = orig_io_port; 1703 qemu_mutex_unlock(&d->async_lock); 1704 break; 1705 default: 1706 break; 1707 } 1708 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), 1709 addr, io_port_to_string(addr), 1710 val, size, async); 1711 1712 switch (io_port) { 1713 case QXL_IO_UPDATE_AREA: 1714 { 1715 QXLCookie *cookie = NULL; 1716 QXLRect update = d->ram->update_area; 1717 1718 if (d->ram->update_surface > d->ssd.num_surfaces) { 1719 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n", 1720 d->ram->update_surface); 1721 break; 1722 } 1723 if (update.left >= update.right || update.top >= update.bottom || 1724 update.left < 0 || update.top < 0) { 1725 qxl_set_guest_bug(d, 1726 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n", 1727 update.left, update.top, update.right, update.bottom); 1728 if (update.left == update.right || update.top == update.bottom) { 1729 /* old drivers may provide empty area, keep going */ 1730 qxl_clear_guest_bug(d); 1731 goto cancel_async; 1732 } 1733 break; 1734 } 1735 if (async == QXL_ASYNC) { 1736 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 1737 QXL_IO_UPDATE_AREA_ASYNC); 1738 cookie->u.area = update; 1739 } 1740 qxl_spice_update_area(d, d->ram->update_surface, 1741 cookie ? &cookie->u.area : &update, 1742 NULL, 0, 0, async, cookie); 1743 break; 1744 } 1745 case QXL_IO_NOTIFY_CMD: 1746 qemu_spice_wakeup(&d->ssd); 1747 break; 1748 case QXL_IO_NOTIFY_CURSOR: 1749 qemu_spice_wakeup(&d->ssd); 1750 break; 1751 case QXL_IO_UPDATE_IRQ: 1752 qxl_update_irq(d); 1753 break; 1754 case QXL_IO_NOTIFY_OOM: 1755 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { 1756 break; 1757 } 1758 d->oom_running = 1; 1759 qxl_spice_oom(d); 1760 d->oom_running = 0; 1761 break; 1762 case QXL_IO_SET_MODE: 1763 qxl_set_mode(d, val, 0); 1764 break; 1765 case QXL_IO_LOG: 1766 if (TRACE_QXL_IO_LOG_ENABLED || d->guestdebug) { 1767 /* We cannot trust the guest to NUL terminate d->ram->log_buf */ 1768 char *log_buf = g_strndup((const char *)d->ram->log_buf, 1769 sizeof(d->ram->log_buf)); 1770 trace_qxl_io_log(d->id, log_buf); 1771 if (d->guestdebug) { 1772 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, 1773 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), log_buf); 1774 } 1775 g_free(log_buf); 1776 } 1777 break; 1778 case QXL_IO_RESET: 1779 qxl_hard_reset(d, 0); 1780 break; 1781 case QXL_IO_MEMSLOT_ADD: 1782 if (val >= NUM_MEMSLOTS) { 1783 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); 1784 break; 1785 } 1786 if (d->guest_slots[val].active) { 1787 qxl_set_guest_bug(d, 1788 "QXL_IO_MEMSLOT_ADD: memory slot already active"); 1789 break; 1790 } 1791 d->guest_slots[val].slot = d->ram->mem_slot; 1792 qxl_add_memslot(d, val, 0, async); 1793 break; 1794 case QXL_IO_MEMSLOT_DEL: 1795 if (val >= NUM_MEMSLOTS) { 1796 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); 1797 break; 1798 } 1799 qxl_del_memslot(d, val); 1800 break; 1801 case QXL_IO_CREATE_PRIMARY: 1802 if (val != 0) { 1803 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", 1804 async); 1805 goto cancel_async; 1806 } 1807 d->guest_primary.surface = d->ram->create_surface; 1808 qxl_create_guest_primary(d, 0, async); 1809 break; 1810 case QXL_IO_DESTROY_PRIMARY: 1811 if (val != 0) { 1812 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", 1813 async); 1814 goto cancel_async; 1815 } 1816 if (!qxl_destroy_primary(d, async)) { 1817 trace_qxl_io_destroy_primary_ignored(d->id, 1818 qxl_mode_to_string(d->mode)); 1819 goto cancel_async; 1820 } 1821 break; 1822 case QXL_IO_DESTROY_SURFACE_WAIT: 1823 if (val >= d->ssd.num_surfaces) { 1824 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" 1825 "%" PRIu64 " >= NUM_SURFACES", async, val); 1826 goto cancel_async; 1827 } 1828 qxl_spice_destroy_surface_wait(d, val, async); 1829 break; 1830 case QXL_IO_FLUSH_RELEASE: { 1831 QXLReleaseRing *ring = &d->ram->release_ring; 1832 if (ring->prod - ring->cons + 1 == ring->num_items) { 1833 fprintf(stderr, 1834 "ERROR: no flush, full release ring [p%d,%dc]\n", 1835 ring->prod, ring->cons); 1836 } 1837 qxl_push_free_res(d, 1 /* flush */); 1838 break; 1839 } 1840 case QXL_IO_FLUSH_SURFACES_ASYNC: 1841 qxl_spice_flush_surfaces_async(d); 1842 break; 1843 case QXL_IO_DESTROY_ALL_SURFACES: 1844 d->mode = QXL_MODE_UNDEFINED; 1845 qxl_spice_destroy_surfaces(d, async); 1846 break; 1847 case QXL_IO_MONITORS_CONFIG_ASYNC: 1848 qxl_spice_monitors_config_async(d, 0); 1849 break; 1850 default: 1851 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port); 1852 } 1853 return; 1854 cancel_async: 1855 if (async) { 1856 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1857 qemu_mutex_lock(&d->async_lock); 1858 d->current_async = QXL_UNDEFINED_IO; 1859 qemu_mutex_unlock(&d->async_lock); 1860 } 1861 } 1862 1863 static uint64_t ioport_read(void *opaque, hwaddr addr, 1864 unsigned size) 1865 { 1866 PCIQXLDevice *qxl = opaque; 1867 1868 trace_qxl_io_read_unexpected(qxl->id); 1869 return 0xff; 1870 } 1871 1872 static const MemoryRegionOps qxl_io_ops = { 1873 .read = ioport_read, 1874 .write = ioport_write, 1875 .valid = { 1876 .min_access_size = 1, 1877 .max_access_size = 1, 1878 }, 1879 }; 1880 1881 static void qxl_update_irq_bh(void *opaque) 1882 { 1883 PCIQXLDevice *d = opaque; 1884 qxl_update_irq(d); 1885 } 1886 1887 static void qxl_send_events(PCIQXLDevice *d, uint32_t events) 1888 { 1889 uint32_t old_pending; 1890 uint32_t le_events = cpu_to_le32(events); 1891 1892 trace_qxl_send_events(d->id, events); 1893 if (!qemu_spice_display_is_running(&d->ssd)) { 1894 /* spice-server tracks guest running state and should not do this */ 1895 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n", 1896 __func__); 1897 trace_qxl_send_events_vm_stopped(d->id, events); 1898 return; 1899 } 1900 /* 1901 * Older versions of Spice forgot to define the QXLRam struct 1902 * with the '__aligned__(4)' attribute. clang 7 and newer will 1903 * thus warn that atomic_fetch_or(&d->ram->int_pending, ...) 1904 * might be a misaligned atomic access, and will generate an 1905 * out-of-line call for it, which results in a link error since 1906 * we don't currently link against libatomic. 1907 * 1908 * In fact we set up d->ram in init_qxl_ram() so it always starts 1909 * at a 4K boundary, so we know that &d->ram->int_pending is 1910 * naturally aligned for a uint32_t. Newer Spice versions 1911 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1) 1912 * will fix the bug directly. To deal with older versions, 1913 * we tell the compiler to assume the address really is aligned. 1914 * Any compiler which cares about the misalignment will have 1915 * __builtin_assume_aligned. 1916 */ 1917 #ifdef HAS_ASSUME_ALIGNED 1918 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4)) 1919 #else 1920 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P) 1921 #endif 1922 1923 old_pending = atomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending), 1924 le_events); 1925 if ((old_pending & le_events) == le_events) { 1926 return; 1927 } 1928 qemu_bh_schedule(d->update_irq); 1929 } 1930 1931 /* graphics console */ 1932 1933 static void qxl_hw_update(void *opaque) 1934 { 1935 PCIQXLDevice *qxl = opaque; 1936 1937 qxl_render_update(qxl); 1938 } 1939 1940 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1941 uint32_t height, int32_t stride) 1942 { 1943 uint64_t offset, size; 1944 uint32_t slot; 1945 bool rc; 1946 1947 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset); 1948 assert(rc == true); 1949 size = (uint64_t)height * abs(stride); 1950 trace_qxl_surfaces_dirty(qxl->id, offset, size); 1951 qxl_set_dirty(qxl->guest_slots[slot].mr, 1952 qxl->guest_slots[slot].offset + offset, 1953 qxl->guest_slots[slot].offset + offset + size); 1954 } 1955 1956 static void qxl_dirty_surfaces(PCIQXLDevice *qxl) 1957 { 1958 int i; 1959 1960 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { 1961 return; 1962 } 1963 1964 /* dirty the primary surface */ 1965 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem, 1966 qxl->guest_primary.surface.height, 1967 qxl->guest_primary.surface.stride); 1968 1969 /* dirty the off-screen surfaces */ 1970 for (i = 0; i < qxl->ssd.num_surfaces; i++) { 1971 QXLSurfaceCmd *cmd; 1972 1973 if (qxl->guest_surfaces.cmds[i] == 0) { 1974 continue; 1975 } 1976 1977 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], 1978 MEMSLOT_GROUP_GUEST); 1979 assert(cmd); 1980 assert(cmd->type == QXL_SURFACE_CMD_CREATE); 1981 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data, 1982 cmd->u.surface_create.height, 1983 cmd->u.surface_create.stride); 1984 } 1985 } 1986 1987 static void qxl_vm_change_state_handler(void *opaque, int running, 1988 RunState state) 1989 { 1990 PCIQXLDevice *qxl = opaque; 1991 1992 if (running) { 1993 /* 1994 * if qxl_send_events was called from spice server context before 1995 * migration ended, qxl_update_irq for these events might not have been 1996 * called 1997 */ 1998 qxl_update_irq(qxl); 1999 } else { 2000 /* make sure surfaces are saved before migration */ 2001 qxl_dirty_surfaces(qxl); 2002 } 2003 } 2004 2005 /* display change listener */ 2006 2007 static void display_update(DisplayChangeListener *dcl, 2008 int x, int y, int w, int h) 2009 { 2010 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2011 2012 if (qxl->mode == QXL_MODE_VGA) { 2013 qemu_spice_display_update(&qxl->ssd, x, y, w, h); 2014 } 2015 } 2016 2017 static void display_switch(DisplayChangeListener *dcl, 2018 struct DisplaySurface *surface) 2019 { 2020 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2021 2022 qxl->ssd.ds = surface; 2023 if (qxl->mode == QXL_MODE_VGA) { 2024 qemu_spice_display_switch(&qxl->ssd, surface); 2025 } 2026 } 2027 2028 static void display_refresh(DisplayChangeListener *dcl) 2029 { 2030 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2031 2032 if (qxl->mode == QXL_MODE_VGA) { 2033 qemu_spice_display_refresh(&qxl->ssd); 2034 } 2035 } 2036 2037 static DisplayChangeListenerOps display_listener_ops = { 2038 .dpy_name = "spice/qxl", 2039 .dpy_gfx_update = display_update, 2040 .dpy_gfx_switch = display_switch, 2041 .dpy_refresh = display_refresh, 2042 }; 2043 2044 static void qxl_init_ramsize(PCIQXLDevice *qxl) 2045 { 2046 /* vga mode framebuffer / primary surface (bar 0, first part) */ 2047 if (qxl->vgamem_size_mb < 8) { 2048 qxl->vgamem_size_mb = 8; 2049 } 2050 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be 2051 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now). 2052 */ 2053 if (qxl->vgamem_size_mb > 256) { 2054 qxl->vgamem_size_mb = 256; 2055 } 2056 qxl->vgamem_size = qxl->vgamem_size_mb * MiB; 2057 2058 /* vga ram (bar 0, total) */ 2059 if (qxl->ram_size_mb != -1) { 2060 qxl->vga.vram_size = qxl->ram_size_mb * MiB; 2061 } 2062 if (qxl->vga.vram_size < qxl->vgamem_size * 2) { 2063 qxl->vga.vram_size = qxl->vgamem_size * 2; 2064 } 2065 2066 /* vram32 (surfaces, 32bit, bar 1) */ 2067 if (qxl->vram32_size_mb != -1) { 2068 qxl->vram32_size = qxl->vram32_size_mb * MiB; 2069 } 2070 if (qxl->vram32_size < 4096) { 2071 qxl->vram32_size = 4096; 2072 } 2073 2074 /* vram (surfaces, 64bit, bar 4+5) */ 2075 if (qxl->vram_size_mb != -1) { 2076 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB; 2077 } 2078 if (qxl->vram_size < qxl->vram32_size) { 2079 qxl->vram_size = qxl->vram32_size; 2080 } 2081 2082 if (qxl->revision == 1) { 2083 qxl->vram32_size = 4096; 2084 qxl->vram_size = 4096; 2085 } 2086 qxl->vgamem_size = pow2ceil(qxl->vgamem_size); 2087 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size); 2088 qxl->vram32_size = pow2ceil(qxl->vram32_size); 2089 qxl->vram_size = pow2ceil(qxl->vram_size); 2090 } 2091 2092 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) 2093 { 2094 uint8_t* config = qxl->pci.config; 2095 uint32_t pci_device_rev; 2096 uint32_t io_size; 2097 2098 qemu_spice_display_init_common(&qxl->ssd); 2099 qxl->mode = QXL_MODE_UNDEFINED; 2100 qxl->num_memslots = NUM_MEMSLOTS; 2101 qemu_mutex_init(&qxl->track_lock); 2102 qemu_mutex_init(&qxl->async_lock); 2103 qxl->current_async = QXL_UNDEFINED_IO; 2104 qxl->guest_bug = 0; 2105 2106 switch (qxl->revision) { 2107 case 1: /* spice 0.4 -- qxl-1 */ 2108 pci_device_rev = QXL_REVISION_STABLE_V04; 2109 io_size = 8; 2110 break; 2111 case 2: /* spice 0.6 -- qxl-2 */ 2112 pci_device_rev = QXL_REVISION_STABLE_V06; 2113 io_size = 16; 2114 break; 2115 case 3: /* qxl-3 */ 2116 pci_device_rev = QXL_REVISION_STABLE_V10; 2117 io_size = 32; /* PCI region size must be pow2 */ 2118 break; 2119 case 4: /* qxl-4 */ 2120 pci_device_rev = QXL_REVISION_STABLE_V12; 2121 io_size = pow2ceil(QXL_IO_RANGE_SIZE); 2122 break; 2123 default: 2124 error_setg(errp, "Invalid revision %d for qxl device (max %d)", 2125 qxl->revision, QXL_DEFAULT_REVISION); 2126 return; 2127 } 2128 2129 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); 2130 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); 2131 2132 qxl->rom_size = qxl_rom_size(); 2133 memory_region_init_ram(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", 2134 qxl->rom_size, &error_fatal); 2135 init_qxl_rom(qxl); 2136 init_qxl_ram(qxl); 2137 2138 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); 2139 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", 2140 qxl->vram_size, &error_fatal); 2141 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", 2142 &qxl->vram_bar, 0, qxl->vram32_size); 2143 2144 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, 2145 "qxl-ioports", io_size); 2146 if (qxl->have_vga) { 2147 vga_dirty_log_start(&qxl->vga); 2148 } 2149 memory_region_set_flush_coalesced(&qxl->io_bar); 2150 2151 2152 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, 2153 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); 2154 2155 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, 2156 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); 2157 2158 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, 2159 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); 2160 2161 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, 2162 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); 2163 2164 if (qxl->vram32_size < qxl->vram_size) { 2165 /* 2166 * Make the 64bit vram bar show up only in case it is 2167 * configured to be larger than the 32bit vram bar. 2168 */ 2169 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, 2170 PCI_BASE_ADDRESS_SPACE_MEMORY | 2171 PCI_BASE_ADDRESS_MEM_TYPE_64 | 2172 PCI_BASE_ADDRESS_MEM_PREFETCH, 2173 &qxl->vram_bar); 2174 } 2175 2176 /* print pci bar details */ 2177 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n", 2178 qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB); 2179 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n", 2180 qxl->vram32_size / MiB); 2181 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n", 2182 qxl->vram_size / MiB, 2183 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); 2184 2185 qxl->ssd.qxl.base.sif = &qxl_interface.base; 2186 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) { 2187 error_setg(errp, "qxl interface %d.%d not supported by spice-server", 2188 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); 2189 return; 2190 } 2191 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); 2192 2193 qxl->update_irq = qemu_bh_new(qxl_update_irq_bh, qxl); 2194 qxl_reset_state(qxl); 2195 2196 qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); 2197 qxl->ssd.cursor_bh = qemu_bh_new(qemu_spice_cursor_refresh_bh, &qxl->ssd); 2198 } 2199 2200 static void qxl_realize_primary(PCIDevice *dev, Error **errp) 2201 { 2202 PCIQXLDevice *qxl = PCI_QXL(dev); 2203 VGACommonState *vga = &qxl->vga; 2204 Error *local_err = NULL; 2205 2206 qxl_init_ramsize(qxl); 2207 vga->vbe_size = qxl->vgamem_size; 2208 vga->vram_size_mb = qxl->vga.vram_size / MiB; 2209 vga_common_init(vga, OBJECT(dev)); 2210 vga_init(vga, OBJECT(dev), 2211 pci_address_space(dev), pci_address_space_io(dev), false); 2212 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list, 2213 vga, "vga"); 2214 portio_list_set_flush_coalesced(&qxl->vga_port_list); 2215 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0); 2216 qxl->have_vga = true; 2217 2218 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2219 qxl->id = qemu_console_get_index(vga->con); /* == channel_id */ 2220 if (qxl->id != 0) { 2221 error_setg(errp, "primary qxl-vga device must be console 0 " 2222 "(first display device on the command line)"); 2223 return; 2224 } 2225 2226 qxl_realize_common(qxl, &local_err); 2227 if (local_err) { 2228 error_propagate(errp, local_err); 2229 return; 2230 } 2231 2232 qxl->ssd.dcl.ops = &display_listener_ops; 2233 qxl->ssd.dcl.con = vga->con; 2234 register_displaychangelistener(&qxl->ssd.dcl); 2235 } 2236 2237 static void qxl_realize_secondary(PCIDevice *dev, Error **errp) 2238 { 2239 PCIQXLDevice *qxl = PCI_QXL(dev); 2240 2241 qxl_init_ramsize(qxl); 2242 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram", 2243 qxl->vga.vram_size, &error_fatal); 2244 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); 2245 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2246 qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */ 2247 2248 qxl_realize_common(qxl, errp); 2249 } 2250 2251 static int qxl_pre_save(void *opaque) 2252 { 2253 PCIQXLDevice* d = opaque; 2254 uint8_t *ram_start = d->vga.vram_ptr; 2255 2256 trace_qxl_pre_save(d->id); 2257 if (d->last_release == NULL) { 2258 d->last_release_offset = 0; 2259 } else { 2260 d->last_release_offset = (uint8_t *)d->last_release - ram_start; 2261 } 2262 assert(d->last_release_offset < d->vga.vram_size); 2263 2264 return 0; 2265 } 2266 2267 static int qxl_pre_load(void *opaque) 2268 { 2269 PCIQXLDevice* d = opaque; 2270 2271 trace_qxl_pre_load(d->id); 2272 qxl_hard_reset(d, 1); 2273 qxl_exit_vga_mode(d); 2274 return 0; 2275 } 2276 2277 static void qxl_create_memslots(PCIQXLDevice *d) 2278 { 2279 int i; 2280 2281 for (i = 0; i < NUM_MEMSLOTS; i++) { 2282 if (!d->guest_slots[i].active) { 2283 continue; 2284 } 2285 qxl_add_memslot(d, i, 0, QXL_SYNC); 2286 } 2287 } 2288 2289 static int qxl_post_load(void *opaque, int version) 2290 { 2291 PCIQXLDevice* d = opaque; 2292 uint8_t *ram_start = d->vga.vram_ptr; 2293 QXLCommandExt *cmds; 2294 int in, out, newmode; 2295 2296 assert(d->last_release_offset < d->vga.vram_size); 2297 if (d->last_release_offset == 0) { 2298 d->last_release = NULL; 2299 } else { 2300 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); 2301 } 2302 2303 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); 2304 2305 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); 2306 newmode = d->mode; 2307 d->mode = QXL_MODE_UNDEFINED; 2308 2309 switch (newmode) { 2310 case QXL_MODE_UNDEFINED: 2311 qxl_create_memslots(d); 2312 break; 2313 case QXL_MODE_VGA: 2314 qxl_create_memslots(d); 2315 qxl_enter_vga_mode(d); 2316 break; 2317 case QXL_MODE_NATIVE: 2318 qxl_create_memslots(d); 2319 qxl_create_guest_primary(d, 1, QXL_SYNC); 2320 2321 /* replay surface-create and cursor-set commands */ 2322 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1); 2323 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { 2324 if (d->guest_surfaces.cmds[in] == 0) { 2325 continue; 2326 } 2327 cmds[out].cmd.data = d->guest_surfaces.cmds[in]; 2328 cmds[out].cmd.type = QXL_CMD_SURFACE; 2329 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2330 out++; 2331 } 2332 if (d->guest_cursor) { 2333 cmds[out].cmd.data = d->guest_cursor; 2334 cmds[out].cmd.type = QXL_CMD_CURSOR; 2335 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2336 out++; 2337 } 2338 qxl_spice_loadvm_commands(d, cmds, out); 2339 g_free(cmds); 2340 if (d->guest_monitors_config) { 2341 qxl_spice_monitors_config_async(d, 1); 2342 } 2343 break; 2344 case QXL_MODE_COMPAT: 2345 /* note: no need to call qxl_create_memslots, qxl_set_mode 2346 * creates the mem slot. */ 2347 qxl_set_mode(d, d->shadow_rom.mode, 1); 2348 break; 2349 } 2350 return 0; 2351 } 2352 2353 #define QXL_SAVE_VERSION 21 2354 2355 static bool qxl_monitors_config_needed(void *opaque) 2356 { 2357 PCIQXLDevice *qxl = opaque; 2358 2359 return qxl->guest_monitors_config != 0; 2360 } 2361 2362 2363 static VMStateDescription qxl_memslot = { 2364 .name = "qxl-memslot", 2365 .version_id = QXL_SAVE_VERSION, 2366 .minimum_version_id = QXL_SAVE_VERSION, 2367 .fields = (VMStateField[]) { 2368 VMSTATE_UINT64(slot.mem_start, struct guest_slots), 2369 VMSTATE_UINT64(slot.mem_end, struct guest_slots), 2370 VMSTATE_UINT32(active, struct guest_slots), 2371 VMSTATE_END_OF_LIST() 2372 } 2373 }; 2374 2375 static VMStateDescription qxl_surface = { 2376 .name = "qxl-surface", 2377 .version_id = QXL_SAVE_VERSION, 2378 .minimum_version_id = QXL_SAVE_VERSION, 2379 .fields = (VMStateField[]) { 2380 VMSTATE_UINT32(width, QXLSurfaceCreate), 2381 VMSTATE_UINT32(height, QXLSurfaceCreate), 2382 VMSTATE_INT32(stride, QXLSurfaceCreate), 2383 VMSTATE_UINT32(format, QXLSurfaceCreate), 2384 VMSTATE_UINT32(position, QXLSurfaceCreate), 2385 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), 2386 VMSTATE_UINT32(flags, QXLSurfaceCreate), 2387 VMSTATE_UINT32(type, QXLSurfaceCreate), 2388 VMSTATE_UINT64(mem, QXLSurfaceCreate), 2389 VMSTATE_END_OF_LIST() 2390 } 2391 }; 2392 2393 static VMStateDescription qxl_vmstate_monitors_config = { 2394 .name = "qxl/monitors-config", 2395 .version_id = 1, 2396 .minimum_version_id = 1, 2397 .needed = qxl_monitors_config_needed, 2398 .fields = (VMStateField[]) { 2399 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), 2400 VMSTATE_END_OF_LIST() 2401 }, 2402 }; 2403 2404 static VMStateDescription qxl_vmstate = { 2405 .name = "qxl", 2406 .version_id = QXL_SAVE_VERSION, 2407 .minimum_version_id = QXL_SAVE_VERSION, 2408 .pre_save = qxl_pre_save, 2409 .pre_load = qxl_pre_load, 2410 .post_load = qxl_post_load, 2411 .fields = (VMStateField[]) { 2412 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), 2413 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), 2414 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), 2415 VMSTATE_UINT32(num_free_res, PCIQXLDevice), 2416 VMSTATE_UINT32(last_release_offset, PCIQXLDevice), 2417 VMSTATE_UINT32(mode, PCIQXLDevice), 2418 VMSTATE_UINT32(ssd.unique, PCIQXLDevice), 2419 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL), 2420 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0, 2421 qxl_memslot, struct guest_slots), 2422 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0, 2423 qxl_surface, QXLSurfaceCreate), 2424 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL), 2425 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, 2426 ssd.num_surfaces, 0, 2427 vmstate_info_uint64, uint64_t), 2428 VMSTATE_UINT64(guest_cursor, PCIQXLDevice), 2429 VMSTATE_END_OF_LIST() 2430 }, 2431 .subsections = (const VMStateDescription*[]) { 2432 &qxl_vmstate_monitors_config, 2433 NULL 2434 } 2435 }; 2436 2437 static Property qxl_properties[] = { 2438 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB), 2439 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB), 2440 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2441 QXL_DEFAULT_REVISION), 2442 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), 2443 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), 2444 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), 2445 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), 2446 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), 2447 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), 2448 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), 2449 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), 2450 #if SPICE_SERVER_VERSION >= 0x000c06 /* release 0.12.6 */ 2451 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0), 2452 #endif 2453 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0), 2454 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0), 2455 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false), 2456 DEFINE_PROP_END_OF_LIST(), 2457 }; 2458 2459 static void qxl_pci_class_init(ObjectClass *klass, void *data) 2460 { 2461 DeviceClass *dc = DEVICE_CLASS(klass); 2462 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2463 2464 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2465 k->device_id = QXL_DEVICE_ID_STABLE; 2466 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2467 dc->reset = qxl_reset_handler; 2468 dc->vmsd = &qxl_vmstate; 2469 dc->props = qxl_properties; 2470 } 2471 2472 static const TypeInfo qxl_pci_type_info = { 2473 .name = TYPE_PCI_QXL, 2474 .parent = TYPE_PCI_DEVICE, 2475 .instance_size = sizeof(PCIQXLDevice), 2476 .abstract = true, 2477 .class_init = qxl_pci_class_init, 2478 .interfaces = (InterfaceInfo[]) { 2479 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 2480 { }, 2481 }, 2482 }; 2483 2484 static void qxl_primary_class_init(ObjectClass *klass, void *data) 2485 { 2486 DeviceClass *dc = DEVICE_CLASS(klass); 2487 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2488 2489 k->realize = qxl_realize_primary; 2490 k->romfile = "vgabios-qxl.bin"; 2491 k->class_id = PCI_CLASS_DISPLAY_VGA; 2492 dc->desc = "Spice QXL GPU (primary, vga compatible)"; 2493 dc->hotpluggable = false; 2494 } 2495 2496 static const TypeInfo qxl_primary_info = { 2497 .name = "qxl-vga", 2498 .parent = TYPE_PCI_QXL, 2499 .class_init = qxl_primary_class_init, 2500 }; 2501 2502 static void qxl_secondary_class_init(ObjectClass *klass, void *data) 2503 { 2504 DeviceClass *dc = DEVICE_CLASS(klass); 2505 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2506 2507 k->realize = qxl_realize_secondary; 2508 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2509 dc->desc = "Spice QXL GPU (secondary)"; 2510 } 2511 2512 static const TypeInfo qxl_secondary_info = { 2513 .name = "qxl", 2514 .parent = TYPE_PCI_QXL, 2515 .class_init = qxl_secondary_class_init, 2516 }; 2517 2518 static void qxl_register_types(void) 2519 { 2520 type_register_static(&qxl_pci_type_info); 2521 type_register_static(&qxl_primary_info); 2522 type_register_static(&qxl_secondary_info); 2523 } 2524 2525 type_init(qxl_register_types) 2526