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/timer.h" 27 #include "qemu/queue.h" 28 #include "qemu/atomic.h" 29 #include "qemu/main-loop.h" 30 #include "qemu/module.h" 31 #include "hw/qdev-properties.h" 32 #include "sysemu/runstate.h" 33 #include "migration/vmstate.h" 34 #include "trace.h" 35 36 #include "qxl.h" 37 38 #undef SPICE_RING_CONS_ITEM 39 #define SPICE_RING_CONS_ITEM(qxl, r, ret) { \ 40 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \ 41 if (cons >= ARRAY_SIZE((r)->items)) { \ 42 qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \ 43 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \ 44 ret = NULL; \ 45 } else { \ 46 ret = &(r)->items[cons].el; \ 47 } \ 48 } 49 50 #undef ALIGN 51 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) 52 53 #define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" 54 55 #define QXL_MODE(_x, _y, _b, _o) \ 56 { .x_res = _x, \ 57 .y_res = _y, \ 58 .bits = _b, \ 59 .stride = (_x) * (_b) / 8, \ 60 .x_mili = PIXEL_SIZE * (_x), \ 61 .y_mili = PIXEL_SIZE * (_y), \ 62 .orientation = _o, \ 63 } 64 65 #define QXL_MODE_16_32(x_res, y_res, orientation) \ 66 QXL_MODE(x_res, y_res, 16, orientation), \ 67 QXL_MODE(x_res, y_res, 32, orientation) 68 69 #define QXL_MODE_EX(x_res, y_res) \ 70 QXL_MODE_16_32(x_res, y_res, 0), \ 71 QXL_MODE_16_32(x_res, y_res, 1) 72 73 static QXLMode qxl_modes[] = { 74 QXL_MODE_EX(640, 480), 75 QXL_MODE_EX(800, 480), 76 QXL_MODE_EX(800, 600), 77 QXL_MODE_EX(832, 624), 78 QXL_MODE_EX(960, 640), 79 QXL_MODE_EX(1024, 600), 80 QXL_MODE_EX(1024, 768), 81 QXL_MODE_EX(1152, 864), 82 QXL_MODE_EX(1152, 870), 83 QXL_MODE_EX(1280, 720), 84 QXL_MODE_EX(1280, 760), 85 QXL_MODE_EX(1280, 768), 86 QXL_MODE_EX(1280, 800), 87 QXL_MODE_EX(1280, 960), 88 QXL_MODE_EX(1280, 1024), 89 QXL_MODE_EX(1360, 768), 90 QXL_MODE_EX(1366, 768), 91 QXL_MODE_EX(1400, 1050), 92 QXL_MODE_EX(1440, 900), 93 QXL_MODE_EX(1600, 900), 94 QXL_MODE_EX(1600, 1200), 95 QXL_MODE_EX(1680, 1050), 96 QXL_MODE_EX(1920, 1080), 97 /* these modes need more than 8 MB video memory */ 98 QXL_MODE_EX(1920, 1200), 99 QXL_MODE_EX(1920, 1440), 100 QXL_MODE_EX(2000, 2000), 101 QXL_MODE_EX(2048, 1536), 102 QXL_MODE_EX(2048, 2048), 103 QXL_MODE_EX(2560, 1440), 104 QXL_MODE_EX(2560, 1600), 105 /* these modes need more than 16 MB video memory */ 106 QXL_MODE_EX(2560, 2048), 107 QXL_MODE_EX(2800, 2100), 108 QXL_MODE_EX(3200, 2400), 109 /* these modes need more than 32 MB video memory */ 110 QXL_MODE_EX(3840, 2160), /* 4k mainstream */ 111 QXL_MODE_EX(4096, 2160), /* 4k */ 112 /* these modes need more than 64 MB video memory */ 113 QXL_MODE_EX(7680, 4320), /* 8k mainstream */ 114 /* these modes need more than 128 MB video memory */ 115 QXL_MODE_EX(8192, 4320), /* 8k */ 116 }; 117 118 static void qxl_send_events(PCIQXLDevice *d, uint32_t events); 119 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async); 120 static void qxl_reset_memslots(PCIQXLDevice *d); 121 static void qxl_reset_surfaces(PCIQXLDevice *d); 122 static void qxl_ring_set_dirty(PCIQXLDevice *qxl); 123 124 static void qxl_hw_update(void *opaque); 125 126 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...) 127 { 128 trace_qxl_set_guest_bug(qxl->id); 129 qxl_send_events(qxl, QXL_INTERRUPT_ERROR); 130 qxl->guest_bug = 1; 131 if (qxl->guestdebug) { 132 va_list ap; 133 va_start(ap, msg); 134 fprintf(stderr, "qxl-%d: guest bug: ", qxl->id); 135 vfprintf(stderr, msg, ap); 136 fprintf(stderr, "\n"); 137 va_end(ap); 138 } 139 } 140 141 static void qxl_clear_guest_bug(PCIQXLDevice *qxl) 142 { 143 qxl->guest_bug = 0; 144 } 145 146 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id, 147 struct QXLRect *area, struct QXLRect *dirty_rects, 148 uint32_t num_dirty_rects, 149 uint32_t clear_dirty_region, 150 qxl_async_io async, struct QXLCookie *cookie) 151 { 152 trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right, 153 area->top, area->bottom); 154 trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects, 155 clear_dirty_region); 156 if (async == QXL_SYNC) { 157 spice_qxl_update_area(&qxl->ssd.qxl, surface_id, area, 158 dirty_rects, num_dirty_rects, clear_dirty_region); 159 } else { 160 assert(cookie != NULL); 161 spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area, 162 clear_dirty_region, (uintptr_t)cookie); 163 } 164 } 165 166 static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl, 167 uint32_t id) 168 { 169 trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id); 170 qemu_mutex_lock(&qxl->track_lock); 171 qxl->guest_surfaces.cmds[id] = 0; 172 qxl->guest_surfaces.count--; 173 qemu_mutex_unlock(&qxl->track_lock); 174 } 175 176 static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id, 177 qxl_async_io async) 178 { 179 QXLCookie *cookie; 180 181 trace_qxl_spice_destroy_surface_wait(qxl->id, id, async); 182 if (async) { 183 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 184 QXL_IO_DESTROY_SURFACE_ASYNC); 185 cookie->u.surface_id = id; 186 spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie); 187 } else { 188 spice_qxl_destroy_surface_wait(&qxl->ssd.qxl, id); 189 qxl_spice_destroy_surface_wait_complete(qxl, id); 190 } 191 } 192 193 static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl) 194 { 195 trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count, 196 qxl->num_free_res); 197 spice_qxl_flush_surfaces_async(&qxl->ssd.qxl, 198 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 199 QXL_IO_FLUSH_SURFACES_ASYNC)); 200 } 201 202 void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext, 203 uint32_t count) 204 { 205 trace_qxl_spice_loadvm_commands(qxl->id, ext, count); 206 spice_qxl_loadvm_commands(&qxl->ssd.qxl, ext, count); 207 } 208 209 void qxl_spice_oom(PCIQXLDevice *qxl) 210 { 211 trace_qxl_spice_oom(qxl->id); 212 spice_qxl_oom(&qxl->ssd.qxl); 213 } 214 215 void qxl_spice_reset_memslots(PCIQXLDevice *qxl) 216 { 217 trace_qxl_spice_reset_memslots(qxl->id); 218 spice_qxl_reset_memslots(&qxl->ssd.qxl); 219 } 220 221 static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl) 222 { 223 trace_qxl_spice_destroy_surfaces_complete(qxl->id); 224 qemu_mutex_lock(&qxl->track_lock); 225 memset(qxl->guest_surfaces.cmds, 0, 226 sizeof(qxl->guest_surfaces.cmds[0]) * qxl->ssd.num_surfaces); 227 qxl->guest_surfaces.count = 0; 228 qemu_mutex_unlock(&qxl->track_lock); 229 } 230 231 static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async) 232 { 233 trace_qxl_spice_destroy_surfaces(qxl->id, async); 234 if (async) { 235 spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl, 236 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 237 QXL_IO_DESTROY_ALL_SURFACES_ASYNC)); 238 } else { 239 spice_qxl_destroy_surfaces(&qxl->ssd.qxl); 240 qxl_spice_destroy_surfaces_complete(qxl); 241 } 242 } 243 244 static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay) 245 { 246 QXLMonitorsConfig *cfg; 247 248 trace_qxl_spice_monitors_config(qxl->id); 249 if (replay) { 250 /* 251 * don't use QXL_COOKIE_TYPE_IO: 252 * - we are not running yet (post_load), we will assert 253 * in send_events 254 * - this is not a guest io, but a reply, so async_io isn't set. 255 */ 256 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 257 qxl->guest_monitors_config, 258 MEMSLOT_GROUP_GUEST, 259 (uintptr_t)qxl_cookie_new( 260 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 261 0)); 262 } else { 263 #if SPICE_SERVER_VERSION < 0x000e02 /* release 0.14.2 */ 264 if (qxl->max_outputs) { 265 spice_qxl_set_max_monitors(&qxl->ssd.qxl, qxl->max_outputs); 266 } 267 #endif 268 qxl->guest_monitors_config = qxl->ram->monitors_config; 269 spice_qxl_monitors_config_async(&qxl->ssd.qxl, 270 qxl->ram->monitors_config, 271 MEMSLOT_GROUP_GUEST, 272 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, 273 QXL_IO_MONITORS_CONFIG_ASYNC)); 274 } 275 276 cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST, 277 sizeof(QXLMonitorsConfig)); 278 if (cfg != NULL && cfg->count == 1) { 279 qxl->guest_primary.resized = 1; 280 qxl->guest_head0_width = cfg->heads[0].width; 281 qxl->guest_head0_height = cfg->heads[0].height; 282 } else { 283 qxl->guest_head0_width = 0; 284 qxl->guest_head0_height = 0; 285 } 286 } 287 288 void qxl_spice_reset_image_cache(PCIQXLDevice *qxl) 289 { 290 trace_qxl_spice_reset_image_cache(qxl->id); 291 spice_qxl_reset_image_cache(&qxl->ssd.qxl); 292 } 293 294 void qxl_spice_reset_cursor(PCIQXLDevice *qxl) 295 { 296 trace_qxl_spice_reset_cursor(qxl->id); 297 spice_qxl_reset_cursor(&qxl->ssd.qxl); 298 qemu_mutex_lock(&qxl->track_lock); 299 qxl->guest_cursor = 0; 300 qemu_mutex_unlock(&qxl->track_lock); 301 if (qxl->ssd.cursor) { 302 cursor_unref(qxl->ssd.cursor); 303 } 304 qxl->ssd.cursor = cursor_builtin_hidden(); 305 } 306 307 static uint32_t qxl_crc32(const uint8_t *p, unsigned len) 308 { 309 /* 310 * zlib xors the seed with 0xffffffff, and xors the result 311 * again with 0xffffffff; Both are not done with linux's crc32, 312 * which we want to be compatible with, so undo that. 313 */ 314 return crc32(0xffffffff, p, len) ^ 0xffffffff; 315 } 316 317 static ram_addr_t qxl_rom_size(void) 318 { 319 #define QXL_REQUIRED_SZ (sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes)) 320 #define QXL_ROM_SZ 8192 321 322 QEMU_BUILD_BUG_ON(QXL_REQUIRED_SZ > QXL_ROM_SZ); 323 return QEMU_ALIGN_UP(QXL_REQUIRED_SZ, qemu_real_host_page_size()); 324 } 325 326 static void init_qxl_rom(PCIQXLDevice *d) 327 { 328 QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); 329 QXLModes *modes = (QXLModes *)(rom + 1); 330 uint32_t ram_header_size; 331 uint32_t surface0_area_size; 332 uint32_t num_pages; 333 uint32_t fb; 334 int i, n; 335 336 memset(rom, 0, d->rom_size); 337 338 rom->magic = cpu_to_le32(QXL_ROM_MAGIC); 339 rom->id = cpu_to_le32(d->id); 340 rom->log_level = cpu_to_le32(d->guestdebug); 341 rom->modes_offset = cpu_to_le32(sizeof(QXLRom)); 342 343 rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; 344 rom->slot_id_bits = MEMSLOT_SLOT_BITS; 345 rom->slots_start = 1; 346 rom->slots_end = NUM_MEMSLOTS - 1; 347 rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); 348 349 for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { 350 fb = qxl_modes[i].y_res * qxl_modes[i].stride; 351 if (fb > d->vgamem_size) { 352 continue; 353 } 354 modes->modes[n].id = cpu_to_le32(i); 355 modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); 356 modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); 357 modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); 358 modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); 359 modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); 360 modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); 361 modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); 362 n++; 363 } 364 modes->n_modes = cpu_to_le32(n); 365 366 ram_header_size = ALIGN(sizeof(QXLRam), 4096); 367 surface0_area_size = ALIGN(d->vgamem_size, 4096); 368 num_pages = d->vga.vram_size; 369 num_pages -= ram_header_size; 370 num_pages -= surface0_area_size; 371 num_pages = num_pages / QXL_PAGE_SIZE; 372 373 assert(ram_header_size + surface0_area_size <= d->vga.vram_size); 374 375 rom->draw_area_offset = cpu_to_le32(0); 376 rom->surface0_area_size = cpu_to_le32(surface0_area_size); 377 rom->pages_offset = cpu_to_le32(surface0_area_size); 378 rom->num_pages = cpu_to_le32(num_pages); 379 rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); 380 381 if (d->xres && d->yres) { 382 /* needs linux kernel 4.12+ to work */ 383 rom->client_monitors_config.count = 1; 384 rom->client_monitors_config.heads[0].left = 0; 385 rom->client_monitors_config.heads[0].top = 0; 386 rom->client_monitors_config.heads[0].right = cpu_to_le32(d->xres); 387 rom->client_monitors_config.heads[0].bottom = cpu_to_le32(d->yres); 388 rom->client_monitors_config_crc = qxl_crc32( 389 (const uint8_t *)&rom->client_monitors_config, 390 sizeof(rom->client_monitors_config)); 391 } 392 393 d->shadow_rom = *rom; 394 d->rom = rom; 395 d->modes = modes; 396 } 397 398 static void init_qxl_ram(PCIQXLDevice *d) 399 { 400 uint8_t *buf; 401 uint32_t prod; 402 QXLReleaseRing *ring; 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); 414 415 ring = &d->ram->release_ring; 416 prod = ring->prod & SPICE_RING_INDEX_MASK(ring); 417 assert(prod < ARRAY_SIZE(ring->items)); 418 ring->items[prod].el = 0; 419 420 qxl_ring_set_dirty(d); 421 } 422 423 /* can be called from spice server thread context */ 424 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) 425 { 426 memory_region_set_dirty(mr, addr, end - addr); 427 } 428 429 static void qxl_rom_set_dirty(PCIQXLDevice *qxl) 430 { 431 qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size); 432 } 433 434 /* called from spice server thread context only */ 435 static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) 436 { 437 void *base = qxl->vga.vram_ptr; 438 intptr_t offset; 439 440 offset = ptr - base; 441 assert(offset < qxl->vga.vram_size); 442 qxl_set_dirty(&qxl->vga.vram, offset, offset + 3); 443 } 444 445 /* can be called from spice server thread context */ 446 static void qxl_ring_set_dirty(PCIQXLDevice *qxl) 447 { 448 ram_addr_t addr = qxl->shadow_rom.ram_header_offset; 449 ram_addr_t end = qxl->vga.vram_size; 450 qxl_set_dirty(&qxl->vga.vram, addr, end); 451 } 452 453 /* 454 * keep track of some command state, for savevm/loadvm. 455 * called from spice server thread context only 456 */ 457 static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) 458 { 459 switch (le32_to_cpu(ext->cmd.type)) { 460 case QXL_CMD_SURFACE: 461 { 462 QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id, 463 sizeof(QXLSurfaceCmd)); 464 465 if (!cmd) { 466 return 1; 467 } 468 uint32_t id = le32_to_cpu(cmd->surface_id); 469 470 if (id >= qxl->ssd.num_surfaces) { 471 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id, 472 qxl->ssd.num_surfaces); 473 return 1; 474 } 475 if (cmd->type == QXL_SURFACE_CMD_CREATE && 476 (cmd->u.surface_create.stride & 0x03) != 0) { 477 qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n", 478 cmd->u.surface_create.stride); 479 return 1; 480 } 481 WITH_QEMU_LOCK_GUARD(&qxl->track_lock) { 482 if (cmd->type == QXL_SURFACE_CMD_CREATE) { 483 qxl->guest_surfaces.cmds[id] = ext->cmd.data; 484 qxl->guest_surfaces.count++; 485 if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) { 486 qxl->guest_surfaces.max = qxl->guest_surfaces.count; 487 } 488 } 489 if (cmd->type == QXL_SURFACE_CMD_DESTROY) { 490 qxl->guest_surfaces.cmds[id] = 0; 491 qxl->guest_surfaces.count--; 492 } 493 } 494 break; 495 } 496 case QXL_CMD_CURSOR: 497 { 498 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id, 499 sizeof(QXLCursorCmd)); 500 501 if (!cmd) { 502 return 1; 503 } 504 if (cmd->type == QXL_CURSOR_SET) { 505 qemu_mutex_lock(&qxl->track_lock); 506 qxl->guest_cursor = ext->cmd.data; 507 qemu_mutex_unlock(&qxl->track_lock); 508 } 509 if (cmd->type == QXL_CURSOR_HIDE) { 510 qemu_mutex_lock(&qxl->track_lock); 511 qxl->guest_cursor = 0; 512 qemu_mutex_unlock(&qxl->track_lock); 513 } 514 break; 515 } 516 } 517 return 0; 518 } 519 520 /* spice display interface callbacks */ 521 522 static void interface_attached_worker(QXLInstance *sin) 523 { 524 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 525 526 trace_qxl_interface_attach_worker(qxl->id); 527 } 528 529 #if !(SPICE_HAS_ATTACHED_WORKER) 530 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) 531 { 532 interface_attached_worker(sin); 533 } 534 #endif 535 536 static void interface_set_compression_level(QXLInstance *sin, int level) 537 { 538 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 539 540 trace_qxl_interface_set_compression_level(qxl->id, level); 541 qxl->shadow_rom.compression_level = cpu_to_le32(level); 542 qxl->rom->compression_level = cpu_to_le32(level); 543 qxl_rom_set_dirty(qxl); 544 } 545 546 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) 547 { 548 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 549 550 trace_qxl_interface_get_init_info(qxl->id); 551 info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; 552 info->memslot_id_bits = MEMSLOT_SLOT_BITS; 553 info->num_memslots = NUM_MEMSLOTS; 554 info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; 555 info->internal_groupslot_id = 0; 556 info->qxl_ram_size = 557 le32_to_cpu(qxl->shadow_rom.num_pages) << QXL_PAGE_BITS; 558 info->n_surfaces = qxl->ssd.num_surfaces; 559 } 560 561 static const char *qxl_mode_to_string(int mode) 562 { 563 switch (mode) { 564 case QXL_MODE_COMPAT: 565 return "compat"; 566 case QXL_MODE_NATIVE: 567 return "native"; 568 case QXL_MODE_UNDEFINED: 569 return "undefined"; 570 case QXL_MODE_VGA: 571 return "vga"; 572 } 573 return "INVALID"; 574 } 575 576 static const char *io_port_to_string(uint32_t io_port) 577 { 578 if (io_port >= QXL_IO_RANGE_SIZE) { 579 return "out of range"; 580 } 581 static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { 582 [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD", 583 [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR", 584 [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA", 585 [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ", 586 [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM", 587 [QXL_IO_RESET] = "QXL_IO_RESET", 588 [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE", 589 [QXL_IO_LOG] = "QXL_IO_LOG", 590 [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD", 591 [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL", 592 [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY", 593 [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY", 594 [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY", 595 [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY", 596 [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT", 597 [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES", 598 [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC", 599 [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC", 600 [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC", 601 [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC", 602 [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC", 603 [QXL_IO_DESTROY_ALL_SURFACES_ASYNC] 604 = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC", 605 [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC", 606 [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE", 607 [QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC", 608 }; 609 return io_port_to_string[io_port]; 610 } 611 612 /* called from spice server thread context only */ 613 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) 614 { 615 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 616 SimpleSpiceUpdate *update; 617 QXLCommandRing *ring; 618 QXLCommand *cmd; 619 int notify, ret; 620 621 trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); 622 623 switch (qxl->mode) { 624 case QXL_MODE_VGA: 625 ret = false; 626 qemu_mutex_lock(&qxl->ssd.lock); 627 update = QTAILQ_FIRST(&qxl->ssd.updates); 628 if (update != NULL) { 629 QTAILQ_REMOVE(&qxl->ssd.updates, update, next); 630 *ext = update->ext; 631 ret = true; 632 } 633 qemu_mutex_unlock(&qxl->ssd.lock); 634 if (ret) { 635 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 636 qxl_log_command(qxl, "vga", ext); 637 } 638 return ret; 639 case QXL_MODE_COMPAT: 640 case QXL_MODE_NATIVE: 641 case QXL_MODE_UNDEFINED: 642 ring = &qxl->ram->cmd_ring; 643 if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) { 644 return false; 645 } 646 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 647 if (!cmd) { 648 return false; 649 } 650 ext->cmd = *cmd; 651 ext->group_id = MEMSLOT_GROUP_GUEST; 652 ext->flags = qxl->cmdflags; 653 SPICE_RING_POP(ring, notify); 654 qxl_ring_set_dirty(qxl); 655 if (notify) { 656 qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); 657 } 658 qxl->guest_primary.commands++; 659 qxl_track_command(qxl, ext); 660 qxl_log_command(qxl, "cmd", ext); 661 trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); 662 return true; 663 default: 664 return false; 665 } 666 } 667 668 /* called from spice server thread context only */ 669 static int interface_req_cmd_notification(QXLInstance *sin) 670 { 671 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 672 int wait = 1; 673 674 trace_qxl_ring_command_req_notification(qxl->id); 675 switch (qxl->mode) { 676 case QXL_MODE_COMPAT: 677 case QXL_MODE_NATIVE: 678 case QXL_MODE_UNDEFINED: 679 SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); 680 qxl_ring_set_dirty(qxl); 681 break; 682 default: 683 /* nothing */ 684 break; 685 } 686 return wait; 687 } 688 689 /* called from spice server thread context only */ 690 static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) 691 { 692 QXLReleaseRing *ring = &d->ram->release_ring; 693 uint32_t prod; 694 int notify; 695 696 #define QXL_FREE_BUNCH_SIZE 32 697 698 if (ring->prod - ring->cons + 1 == ring->num_items) { 699 /* ring full -- can't push */ 700 return; 701 } 702 if (!flush && d->oom_running) { 703 /* collect everything from oom handler before pushing */ 704 return; 705 } 706 if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) { 707 /* collect a bit more before pushing */ 708 return; 709 } 710 711 SPICE_RING_PUSH(ring, notify); 712 trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), 713 d->guest_surfaces.count, d->num_free_res, 714 d->last_release, notify ? "yes" : "no"); 715 trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, 716 ring->num_items, ring->prod, ring->cons); 717 if (notify) { 718 qxl_send_events(d, QXL_INTERRUPT_DISPLAY); 719 } 720 721 ring = &d->ram->release_ring; 722 prod = ring->prod & SPICE_RING_INDEX_MASK(ring); 723 if (prod >= ARRAY_SIZE(ring->items)) { 724 qxl_set_guest_bug(d, "SPICE_RING_PROD_ITEM indices mismatch " 725 "%u >= %zu", prod, ARRAY_SIZE(ring->items)); 726 return; 727 } 728 ring->items[prod].el = 0; 729 d->num_free_res = 0; 730 d->last_release = NULL; 731 qxl_ring_set_dirty(d); 732 } 733 734 /* called from spice server thread context only */ 735 static void interface_release_resource(QXLInstance *sin, 736 QXLReleaseInfoExt ext) 737 { 738 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 739 QXLReleaseRing *ring; 740 uint32_t prod; 741 uint64_t id; 742 743 if (!ext.info) { 744 return; 745 } 746 if (ext.group_id == MEMSLOT_GROUP_HOST) { 747 /* host group -> vga mode update request */ 748 QXLCommandExt *cmdext = (void *)(intptr_t)(ext.info->id); 749 SimpleSpiceUpdate *update; 750 g_assert(cmdext->cmd.type == QXL_CMD_DRAW); 751 update = container_of(cmdext, SimpleSpiceUpdate, ext); 752 qemu_spice_destroy_update(&qxl->ssd, update); 753 return; 754 } 755 756 /* 757 * ext->info points into guest-visible memory 758 * pci bar 0, $command.release_info 759 */ 760 ring = &qxl->ram->release_ring; 761 prod = ring->prod & SPICE_RING_INDEX_MASK(ring); 762 if (prod >= ARRAY_SIZE(ring->items)) { 763 qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " 764 "%u >= %zu", prod, ARRAY_SIZE(ring->items)); 765 return; 766 } 767 if (ring->items[prod].el == 0) { 768 /* stick head into the ring */ 769 id = ext.info->id; 770 ext.info->next = 0; 771 qxl_ram_set_dirty(qxl, &ext.info->next); 772 ring->items[prod].el = id; 773 qxl_ring_set_dirty(qxl); 774 } else { 775 /* append item to the list */ 776 qxl->last_release->next = ext.info->id; 777 qxl_ram_set_dirty(qxl, &qxl->last_release->next); 778 ext.info->next = 0; 779 qxl_ram_set_dirty(qxl, &ext.info->next); 780 } 781 qxl->last_release = ext.info; 782 qxl->num_free_res++; 783 trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); 784 qxl_push_free_res(qxl, 0); 785 } 786 787 /* called from spice server thread context only */ 788 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) 789 { 790 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 791 QXLCursorRing *ring; 792 QXLCommand *cmd; 793 int notify; 794 795 trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); 796 797 switch (qxl->mode) { 798 case QXL_MODE_COMPAT: 799 case QXL_MODE_NATIVE: 800 case QXL_MODE_UNDEFINED: 801 ring = &qxl->ram->cursor_ring; 802 if (SPICE_RING_IS_EMPTY(ring)) { 803 return false; 804 } 805 SPICE_RING_CONS_ITEM(qxl, ring, cmd); 806 if (!cmd) { 807 return false; 808 } 809 ext->cmd = *cmd; 810 ext->group_id = MEMSLOT_GROUP_GUEST; 811 ext->flags = qxl->cmdflags; 812 SPICE_RING_POP(ring, notify); 813 qxl_ring_set_dirty(qxl); 814 if (notify) { 815 qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); 816 } 817 qxl->guest_primary.commands++; 818 qxl_track_command(qxl, ext); 819 qxl_log_command(qxl, "csr", ext); 820 if (qxl->have_vga) { 821 qxl_render_cursor(qxl, ext); 822 } 823 trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); 824 return true; 825 default: 826 return false; 827 } 828 } 829 830 /* called from spice server thread context only */ 831 static int interface_req_cursor_notification(QXLInstance *sin) 832 { 833 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 834 int wait = 1; 835 836 trace_qxl_ring_cursor_req_notification(qxl->id); 837 switch (qxl->mode) { 838 case QXL_MODE_COMPAT: 839 case QXL_MODE_NATIVE: 840 case QXL_MODE_UNDEFINED: 841 SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); 842 qxl_ring_set_dirty(qxl); 843 break; 844 default: 845 /* nothing */ 846 break; 847 } 848 return wait; 849 } 850 851 /* called from spice server thread context */ 852 static void interface_notify_update(QXLInstance *sin, uint32_t update_id) 853 { 854 /* 855 * Called by spice-server as a result of a QXL_CMD_UPDATE which is not in 856 * use by xf86-video-qxl and is defined out in the qxl windows driver. 857 * Probably was at some earlier version that is prior to git start (2009), 858 * and is still guest trigerrable. 859 */ 860 fprintf(stderr, "%s: deprecated\n", __func__); 861 } 862 863 /* called from spice server thread context only */ 864 static int interface_flush_resources(QXLInstance *sin) 865 { 866 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 867 int ret; 868 869 ret = qxl->num_free_res; 870 if (ret) { 871 qxl_push_free_res(qxl, 1); 872 } 873 return ret; 874 } 875 876 static void qxl_create_guest_primary_complete(PCIQXLDevice *d); 877 878 /* called from spice server thread context only */ 879 static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) 880 { 881 uint32_t current_async; 882 883 qemu_mutex_lock(&qxl->async_lock); 884 current_async = qxl->current_async; 885 qxl->current_async = QXL_UNDEFINED_IO; 886 qemu_mutex_unlock(&qxl->async_lock); 887 888 trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); 889 if (!cookie) { 890 fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__); 891 return; 892 } 893 if (cookie && current_async != cookie->io) { 894 fprintf(stderr, 895 "qxl: %s: error: current_async = %d != %" 896 PRId64 " = cookie->io\n", __func__, current_async, cookie->io); 897 } 898 switch (current_async) { 899 case QXL_IO_MEMSLOT_ADD_ASYNC: 900 case QXL_IO_DESTROY_PRIMARY_ASYNC: 901 case QXL_IO_UPDATE_AREA_ASYNC: 902 case QXL_IO_FLUSH_SURFACES_ASYNC: 903 case QXL_IO_MONITORS_CONFIG_ASYNC: 904 break; 905 case QXL_IO_CREATE_PRIMARY_ASYNC: 906 qxl_create_guest_primary_complete(qxl); 907 break; 908 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 909 qxl_spice_destroy_surfaces_complete(qxl); 910 break; 911 case QXL_IO_DESTROY_SURFACE_ASYNC: 912 qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); 913 break; 914 default: 915 fprintf(stderr, "qxl: %s: unexpected current_async %u\n", __func__, 916 current_async); 917 } 918 qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); 919 } 920 921 /* called from spice server thread context only */ 922 static void interface_update_area_complete(QXLInstance *sin, 923 uint32_t surface_id, 924 QXLRect *dirty, uint32_t num_updated_rects) 925 { 926 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 927 int i; 928 int qxl_i; 929 930 QEMU_LOCK_GUARD(&qxl->ssd.lock); 931 if (surface_id != 0 || !num_updated_rects || 932 !qxl->render_update_cookie_num) { 933 return; 934 } 935 trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, 936 dirty->right, dirty->top, dirty->bottom); 937 trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); 938 if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) { 939 /* 940 * overflow - treat this as a full update. Not expected to be common. 941 */ 942 trace_qxl_interface_update_area_complete_overflow(qxl->id, 943 QXL_NUM_DIRTY_RECTS); 944 qxl->guest_primary.resized = 1; 945 } 946 if (qxl->guest_primary.resized) { 947 /* 948 * Don't bother copying or scheduling the bh since we will flip 949 * the whole area anyway on completion of the update_area async call 950 */ 951 return; 952 } 953 qxl_i = qxl->num_dirty_rects; 954 for (i = 0; i < num_updated_rects; i++) { 955 qxl->dirty[qxl_i++] = dirty[i]; 956 } 957 qxl->num_dirty_rects += num_updated_rects; 958 trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, 959 qxl->num_dirty_rects); 960 qemu_bh_schedule(qxl->update_area_bh); 961 } 962 963 /* called from spice server thread context only */ 964 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) 965 { 966 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 967 QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; 968 969 switch (cookie->type) { 970 case QXL_COOKIE_TYPE_IO: 971 interface_async_complete_io(qxl, cookie); 972 g_free(cookie); 973 break; 974 case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA: 975 qxl_render_update_area_done(qxl, cookie); 976 break; 977 case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG: 978 break; 979 default: 980 fprintf(stderr, "qxl: %s: unexpected cookie type %d\n", 981 __func__, cookie->type); 982 g_free(cookie); 983 } 984 } 985 986 /* called from spice server thread context only */ 987 static void interface_set_client_capabilities(QXLInstance *sin, 988 uint8_t client_present, 989 uint8_t caps[58]) 990 { 991 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 992 993 if (qxl->revision < 4) { 994 trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, 995 qxl->revision); 996 return; 997 } 998 999 if (runstate_check(RUN_STATE_INMIGRATE) || 1000 runstate_check(RUN_STATE_POSTMIGRATE)) { 1001 return; 1002 } 1003 1004 qxl->shadow_rom.client_present = client_present; 1005 memcpy(qxl->shadow_rom.client_capabilities, caps, 1006 sizeof(qxl->shadow_rom.client_capabilities)); 1007 qxl->rom->client_present = client_present; 1008 memcpy(qxl->rom->client_capabilities, caps, 1009 sizeof(qxl->rom->client_capabilities)); 1010 qxl_rom_set_dirty(qxl); 1011 1012 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); 1013 } 1014 1015 static bool qxl_rom_monitors_config_changed(QXLRom *rom, 1016 VDAgentMonitorsConfig *monitors_config, 1017 unsigned int max_outputs) 1018 { 1019 int i; 1020 unsigned int monitors_count; 1021 1022 monitors_count = MIN(monitors_config->num_of_monitors, max_outputs); 1023 1024 if (rom->client_monitors_config.count != monitors_count) { 1025 return true; 1026 } 1027 1028 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1029 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1030 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1031 /* monitor->depth ignored */ 1032 if ((rect->left != monitor->x) || 1033 (rect->top != monitor->y) || 1034 (rect->right != monitor->x + monitor->width) || 1035 (rect->bottom != monitor->y + monitor->height)) { 1036 return true; 1037 } 1038 } 1039 1040 return false; 1041 } 1042 1043 /* called from main context only */ 1044 static int interface_client_monitors_config(QXLInstance *sin, 1045 VDAgentMonitorsConfig *monitors_config) 1046 { 1047 PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); 1048 QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); 1049 int i; 1050 unsigned max_outputs = ARRAY_SIZE(rom->client_monitors_config.heads); 1051 bool config_changed = false; 1052 1053 if (qxl->revision < 4) { 1054 trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, 1055 qxl->revision); 1056 return 0; 1057 } 1058 /* 1059 * Older windows drivers set int_mask to 0 when their ISR is called, 1060 * then later set it to ~0. So it doesn't relate to the actual interrupts 1061 * handled. However, they are old, so clearly they don't support this 1062 * interrupt 1063 */ 1064 if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || 1065 !(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { 1066 trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, 1067 qxl->ram->int_mask, 1068 monitors_config); 1069 return 0; 1070 } 1071 if (!monitors_config) { 1072 return 1; 1073 } 1074 1075 /* limit number of outputs based on setting limit */ 1076 if (qxl->max_outputs && qxl->max_outputs <= max_outputs) { 1077 max_outputs = qxl->max_outputs; 1078 } 1079 1080 config_changed = qxl_rom_monitors_config_changed(rom, 1081 monitors_config, 1082 max_outputs); 1083 1084 memset(&rom->client_monitors_config, 0, 1085 sizeof(rom->client_monitors_config)); 1086 rom->client_monitors_config.count = monitors_config->num_of_monitors; 1087 /* monitors_config->flags ignored */ 1088 if (rom->client_monitors_config.count >= max_outputs) { 1089 trace_qxl_client_monitors_config_capped(qxl->id, 1090 monitors_config->num_of_monitors, 1091 max_outputs); 1092 rom->client_monitors_config.count = max_outputs; 1093 } 1094 for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { 1095 VDAgentMonConfig *monitor = &monitors_config->monitors[i]; 1096 QXLURect *rect = &rom->client_monitors_config.heads[i]; 1097 /* monitor->depth ignored */ 1098 rect->left = monitor->x; 1099 rect->top = monitor->y; 1100 rect->right = monitor->x + monitor->width; 1101 rect->bottom = monitor->y + monitor->height; 1102 } 1103 rom->client_monitors_config_crc = qxl_crc32( 1104 (const uint8_t *)&rom->client_monitors_config, 1105 sizeof(rom->client_monitors_config)); 1106 trace_qxl_client_monitors_config_crc(qxl->id, 1107 sizeof(rom->client_monitors_config), 1108 rom->client_monitors_config_crc); 1109 1110 trace_qxl_interrupt_client_monitors_config(qxl->id, 1111 rom->client_monitors_config.count, 1112 rom->client_monitors_config.heads); 1113 if (config_changed) { 1114 qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); 1115 } 1116 return 1; 1117 } 1118 1119 static const QXLInterface qxl_interface = { 1120 .base.type = SPICE_INTERFACE_QXL, 1121 .base.description = "qxl gpu", 1122 .base.major_version = SPICE_INTERFACE_QXL_MAJOR, 1123 .base.minor_version = SPICE_INTERFACE_QXL_MINOR, 1124 1125 #if SPICE_HAS_ATTACHED_WORKER 1126 .attached_worker = interface_attached_worker, 1127 #else 1128 .attache_worker = interface_attach_worker, 1129 #endif 1130 1131 .set_compression_level = interface_set_compression_level, 1132 .get_init_info = interface_get_init_info, 1133 1134 /* the callbacks below are called from spice server thread context */ 1135 .get_command = interface_get_command, 1136 .req_cmd_notification = interface_req_cmd_notification, 1137 .release_resource = interface_release_resource, 1138 .get_cursor_command = interface_get_cursor_command, 1139 .req_cursor_notification = interface_req_cursor_notification, 1140 .notify_update = interface_notify_update, 1141 .flush_resources = interface_flush_resources, 1142 .async_complete = interface_async_complete, 1143 .update_area_complete = interface_update_area_complete, 1144 .set_client_capabilities = interface_set_client_capabilities, 1145 .client_monitors_config = interface_client_monitors_config, 1146 }; 1147 1148 static const GraphicHwOps qxl_ops = { 1149 .gfx_update = qxl_hw_update, 1150 .gfx_update_async = true, 1151 }; 1152 1153 static void qxl_enter_vga_mode(PCIQXLDevice *d) 1154 { 1155 if (d->mode == QXL_MODE_VGA) { 1156 return; 1157 } 1158 trace_qxl_enter_vga_mode(d->id); 1159 spice_qxl_driver_unload(&d->ssd.qxl); 1160 graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga); 1161 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT); 1162 qemu_spice_create_host_primary(&d->ssd); 1163 d->mode = QXL_MODE_VGA; 1164 qemu_spice_display_switch(&d->ssd, d->ssd.ds); 1165 vga_dirty_log_start(&d->vga); 1166 graphic_hw_update(d->vga.con); 1167 } 1168 1169 static void qxl_exit_vga_mode(PCIQXLDevice *d) 1170 { 1171 if (d->mode != QXL_MODE_VGA) { 1172 return; 1173 } 1174 trace_qxl_exit_vga_mode(d->id); 1175 graphic_console_set_hwops(d->ssd.dcl.con, &qxl_ops, d); 1176 update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE); 1177 vga_dirty_log_stop(&d->vga); 1178 qxl_destroy_primary(d, QXL_SYNC); 1179 } 1180 1181 static void qxl_update_irq(PCIQXLDevice *d) 1182 { 1183 uint32_t pending = le32_to_cpu(d->ram->int_pending); 1184 uint32_t mask = le32_to_cpu(d->ram->int_mask); 1185 int level = !!(pending & mask); 1186 pci_set_irq(&d->pci, level); 1187 qxl_ring_set_dirty(d); 1188 } 1189 1190 static void qxl_check_state(PCIQXLDevice *d) 1191 { 1192 QXLRam *ram = d->ram; 1193 int spice_display_running = qemu_spice_display_is_running(&d->ssd); 1194 1195 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); 1196 assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); 1197 } 1198 1199 static void qxl_reset_state(PCIQXLDevice *d) 1200 { 1201 QXLRom *rom = d->rom; 1202 1203 qxl_check_state(d); 1204 d->shadow_rom.update_id = cpu_to_le32(0); 1205 *rom = d->shadow_rom; 1206 qxl_rom_set_dirty(d); 1207 init_qxl_ram(d); 1208 d->num_free_res = 0; 1209 d->last_release = NULL; 1210 memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); 1211 qxl_update_irq(d); 1212 } 1213 1214 static void qxl_soft_reset(PCIQXLDevice *d) 1215 { 1216 trace_qxl_soft_reset(d->id); 1217 qxl_check_state(d); 1218 qxl_clear_guest_bug(d); 1219 qemu_mutex_lock(&d->async_lock); 1220 d->current_async = QXL_UNDEFINED_IO; 1221 qemu_mutex_unlock(&d->async_lock); 1222 1223 if (d->have_vga) { 1224 qxl_enter_vga_mode(d); 1225 } else { 1226 d->mode = QXL_MODE_UNDEFINED; 1227 } 1228 } 1229 1230 static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) 1231 { 1232 bool startstop = qemu_spice_display_is_running(&d->ssd); 1233 1234 trace_qxl_hard_reset(d->id, loadvm); 1235 1236 if (startstop) { 1237 qemu_spice_display_stop(); 1238 } 1239 1240 qxl_spice_reset_cursor(d); 1241 qxl_spice_reset_image_cache(d); 1242 qxl_reset_surfaces(d); 1243 qxl_reset_memslots(d); 1244 1245 /* pre loadvm reset must not touch QXLRam. This lives in 1246 * device memory, is migrated together with RAM and thus 1247 * already loaded at this point */ 1248 if (!loadvm) { 1249 qxl_reset_state(d); 1250 } 1251 qemu_spice_create_host_memslot(&d->ssd); 1252 qxl_soft_reset(d); 1253 1254 if (startstop) { 1255 qemu_spice_display_start(); 1256 } 1257 } 1258 1259 static void qxl_reset_handler(DeviceState *dev) 1260 { 1261 PCIQXLDevice *d = PCI_QXL(PCI_DEVICE(dev)); 1262 1263 qxl_hard_reset(d, 0); 1264 } 1265 1266 static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) 1267 { 1268 VGACommonState *vga = opaque; 1269 PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); 1270 1271 trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); 1272 if (qxl->mode != QXL_MODE_VGA && 1273 qxl->revision <= QXL_REVISION_STABLE_V12) { 1274 qxl_destroy_primary(qxl, QXL_SYNC); 1275 qxl_soft_reset(qxl); 1276 } 1277 vga_ioport_write(opaque, addr, val); 1278 } 1279 1280 static const MemoryRegionPortio qxl_vga_portio_list[] = { 1281 { 0x04, 2, 1, .read = vga_ioport_read, 1282 .write = qxl_vga_ioport_write }, /* 3b4 */ 1283 { 0x0a, 1, 1, .read = vga_ioport_read, 1284 .write = qxl_vga_ioport_write }, /* 3ba */ 1285 { 0x10, 16, 1, .read = vga_ioport_read, 1286 .write = qxl_vga_ioport_write }, /* 3c0 */ 1287 { 0x24, 2, 1, .read = vga_ioport_read, 1288 .write = qxl_vga_ioport_write }, /* 3d4 */ 1289 { 0x2a, 1, 1, .read = vga_ioport_read, 1290 .write = qxl_vga_ioport_write }, /* 3da */ 1291 PORTIO_END_OF_LIST(), 1292 }; 1293 1294 static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, 1295 qxl_async_io async) 1296 { 1297 static const int regions[] = { 1298 QXL_RAM_RANGE_INDEX, 1299 QXL_VRAM_RANGE_INDEX, 1300 QXL_VRAM64_RANGE_INDEX, 1301 }; 1302 uint64_t guest_start; 1303 uint64_t guest_end; 1304 int pci_region; 1305 pcibus_t pci_start; 1306 pcibus_t pci_end; 1307 MemoryRegion *mr; 1308 intptr_t virt_start; 1309 QXLDevMemSlot memslot; 1310 int i; 1311 1312 guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); 1313 guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); 1314 1315 trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); 1316 1317 if (slot_id >= NUM_MEMSLOTS) { 1318 qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__, 1319 slot_id, NUM_MEMSLOTS); 1320 return 1; 1321 } 1322 if (guest_start > guest_end) { 1323 qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64 1324 " > 0x%" PRIx64, __func__, guest_start, guest_end); 1325 return 1; 1326 } 1327 1328 for (i = 0; i < ARRAY_SIZE(regions); i++) { 1329 pci_region = regions[i]; 1330 pci_start = d->pci.io_regions[pci_region].addr; 1331 pci_end = pci_start + d->pci.io_regions[pci_region].size; 1332 /* mapped? */ 1333 if (pci_start == -1) { 1334 continue; 1335 } 1336 /* start address in range ? */ 1337 if (guest_start < pci_start || guest_start > pci_end) { 1338 continue; 1339 } 1340 /* end address in range ? */ 1341 if (guest_end > pci_end) { 1342 continue; 1343 } 1344 /* passed */ 1345 break; 1346 } 1347 if (i == ARRAY_SIZE(regions)) { 1348 qxl_set_guest_bug(d, "%s: finished loop without match", __func__); 1349 return 1; 1350 } 1351 1352 switch (pci_region) { 1353 case QXL_RAM_RANGE_INDEX: 1354 mr = &d->vga.vram; 1355 break; 1356 case QXL_VRAM_RANGE_INDEX: 1357 case 4 /* vram 64bit */: 1358 mr = &d->vram_bar; 1359 break; 1360 default: 1361 /* should not happen */ 1362 qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); 1363 return 1; 1364 } 1365 assert(guest_end - pci_start <= memory_region_size(mr)); 1366 1367 virt_start = (intptr_t)memory_region_get_ram_ptr(mr); 1368 memslot.slot_id = slot_id; 1369 memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */ 1370 memslot.virt_start = virt_start + (guest_start - pci_start); 1371 memslot.virt_end = virt_start + (guest_end - pci_start); 1372 memslot.addr_delta = memslot.virt_start - delta; 1373 memslot.generation = d->rom->slot_generation = 0; 1374 qxl_rom_set_dirty(d); 1375 1376 qemu_spice_add_memslot(&d->ssd, &memslot, async); 1377 d->guest_slots[slot_id].mr = mr; 1378 d->guest_slots[slot_id].offset = memslot.virt_start - virt_start; 1379 d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; 1380 d->guest_slots[slot_id].delta = delta; 1381 d->guest_slots[slot_id].active = 1; 1382 return 0; 1383 } 1384 1385 static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) 1386 { 1387 qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); 1388 d->guest_slots[slot_id].active = 0; 1389 } 1390 1391 static void qxl_reset_memslots(PCIQXLDevice *d) 1392 { 1393 qxl_spice_reset_memslots(d); 1394 memset(&d->guest_slots, 0, sizeof(d->guest_slots)); 1395 } 1396 1397 static void qxl_reset_surfaces(PCIQXLDevice *d) 1398 { 1399 trace_qxl_reset_surfaces(d->id); 1400 d->mode = QXL_MODE_UNDEFINED; 1401 qxl_spice_destroy_surfaces(d, QXL_SYNC); 1402 } 1403 1404 /* can be also called from spice server thread context */ 1405 static bool qxl_get_check_slot_offset(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1406 uint32_t *s, uint64_t *o, 1407 size_t size_requested) 1408 { 1409 uint64_t phys = le64_to_cpu(pqxl); 1410 uint32_t slot = (phys >> (64 - 8)) & 0xff; 1411 uint64_t offset = phys & 0xffffffffffff; 1412 uint64_t size_available; 1413 1414 if (slot >= NUM_MEMSLOTS) { 1415 qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot, 1416 NUM_MEMSLOTS); 1417 return false; 1418 } 1419 if (!qxl->guest_slots[slot].active) { 1420 qxl_set_guest_bug(qxl, "inactive slot %d\n", slot); 1421 return false; 1422 } 1423 if (offset < qxl->guest_slots[slot].delta) { 1424 qxl_set_guest_bug(qxl, 1425 "slot %d offset %"PRIu64" < delta %"PRIu64"\n", 1426 slot, offset, qxl->guest_slots[slot].delta); 1427 return false; 1428 } 1429 offset -= qxl->guest_slots[slot].delta; 1430 if (offset > qxl->guest_slots[slot].size) { 1431 qxl_set_guest_bug(qxl, 1432 "slot %d offset %"PRIu64" > size %"PRIu64"\n", 1433 slot, offset, qxl->guest_slots[slot].size); 1434 return false; 1435 } 1436 size_available = memory_region_size(qxl->guest_slots[slot].mr); 1437 if (qxl->guest_slots[slot].offset + offset >= size_available) { 1438 qxl_set_guest_bug(qxl, 1439 "slot %d offset %"PRIu64" > region size %"PRIu64"\n", 1440 slot, qxl->guest_slots[slot].offset + offset, 1441 size_available); 1442 return false; 1443 } 1444 size_available -= qxl->guest_slots[slot].offset + offset; 1445 if (size_requested > size_available) { 1446 qxl_set_guest_bug(qxl, 1447 "slot %d offset %"PRIu64" size %zu: " 1448 "overrun by %"PRIu64" bytes\n", 1449 slot, offset, size_requested, 1450 size_requested - size_available); 1451 return false; 1452 } 1453 1454 *s = slot; 1455 *o = offset; 1456 return true; 1457 } 1458 1459 /* can be also called from spice server thread context */ 1460 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id, 1461 size_t size) 1462 { 1463 uint64_t offset; 1464 uint32_t slot; 1465 void *ptr; 1466 1467 switch (group_id) { 1468 case MEMSLOT_GROUP_HOST: 1469 offset = le64_to_cpu(pqxl) & 0xffffffffffff; 1470 return (void *)(intptr_t)offset; 1471 case MEMSLOT_GROUP_GUEST: 1472 if (!qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset, size)) { 1473 return NULL; 1474 } 1475 ptr = memory_region_get_ram_ptr(qxl->guest_slots[slot].mr); 1476 ptr += qxl->guest_slots[slot].offset; 1477 ptr += offset; 1478 return ptr; 1479 } 1480 return NULL; 1481 } 1482 1483 static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) 1484 { 1485 /* for local rendering */ 1486 qxl_render_resize(qxl); 1487 } 1488 1489 static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, 1490 qxl_async_io async) 1491 { 1492 QXLDevSurfaceCreate surface; 1493 QXLSurfaceCreate *sc = &qxl->guest_primary.surface; 1494 uint32_t requested_height = le32_to_cpu(sc->height); 1495 int requested_stride = le32_to_cpu(sc->stride); 1496 1497 if (requested_stride == INT32_MIN || 1498 abs(requested_stride) * (uint64_t)requested_height 1499 > qxl->vgamem_size) { 1500 qxl_set_guest_bug(qxl, "%s: requested primary larger than framebuffer" 1501 " stride %d x height %" PRIu32 " > %" PRIu32, 1502 __func__, requested_stride, requested_height, 1503 qxl->vgamem_size); 1504 return; 1505 } 1506 1507 if (qxl->mode == QXL_MODE_NATIVE) { 1508 qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE", 1509 __func__); 1510 } 1511 qxl_exit_vga_mode(qxl); 1512 1513 surface.format = le32_to_cpu(sc->format); 1514 surface.height = le32_to_cpu(sc->height); 1515 surface.mem = le64_to_cpu(sc->mem); 1516 surface.position = le32_to_cpu(sc->position); 1517 surface.stride = le32_to_cpu(sc->stride); 1518 surface.width = le32_to_cpu(sc->width); 1519 surface.type = le32_to_cpu(sc->type); 1520 surface.flags = le32_to_cpu(sc->flags); 1521 trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, 1522 sc->format, sc->position); 1523 trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, 1524 sc->flags); 1525 1526 if ((surface.stride & 0x3) != 0) { 1527 qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0", 1528 surface.stride); 1529 return; 1530 } 1531 1532 surface.mouse_mode = true; 1533 surface.group_id = MEMSLOT_GROUP_GUEST; 1534 if (loadvm) { 1535 surface.flags |= QXL_SURF_FLAG_KEEP_DATA; 1536 } 1537 1538 qxl->mode = QXL_MODE_NATIVE; 1539 qxl->cmdflags = 0; 1540 qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async); 1541 1542 if (async == QXL_SYNC) { 1543 qxl_create_guest_primary_complete(qxl); 1544 } 1545 } 1546 1547 /* return 1 if surface destroy was initiated (in QXL_ASYNC case) or 1548 * done (in QXL_SYNC case), 0 otherwise. */ 1549 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) 1550 { 1551 if (d->mode == QXL_MODE_UNDEFINED) { 1552 return 0; 1553 } 1554 trace_qxl_destroy_primary(d->id); 1555 d->mode = QXL_MODE_UNDEFINED; 1556 qemu_spice_destroy_primary_surface(&d->ssd, 0, async); 1557 qxl_spice_reset_cursor(d); 1558 return 1; 1559 } 1560 1561 static void qxl_set_mode(PCIQXLDevice *d, unsigned int modenr, int loadvm) 1562 { 1563 pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1564 pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; 1565 QXLMode *mode = d->modes->modes + modenr; 1566 uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; 1567 QXLMemSlot slot = { 1568 .mem_start = start, 1569 .mem_end = end 1570 }; 1571 1572 if (modenr >= d->modes->n_modes) { 1573 qxl_set_guest_bug(d, "mode number out of range"); 1574 return; 1575 } 1576 1577 QXLSurfaceCreate surface = { 1578 .width = mode->x_res, 1579 .height = mode->y_res, 1580 .stride = -mode->x_res * 4, 1581 .format = SPICE_SURFACE_FMT_32_xRGB, 1582 .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0, 1583 .mouse_mode = true, 1584 .mem = devmem + d->shadow_rom.draw_area_offset, 1585 }; 1586 1587 trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, 1588 devmem); 1589 if (!loadvm) { 1590 qxl_hard_reset(d, 0); 1591 } 1592 1593 d->guest_slots[0].slot = slot; 1594 assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); 1595 1596 d->guest_primary.surface = surface; 1597 qxl_create_guest_primary(d, 0, QXL_SYNC); 1598 1599 d->mode = QXL_MODE_COMPAT; 1600 d->cmdflags = QXL_COMMAND_FLAG_COMPAT; 1601 if (mode->bits == 16) { 1602 d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; 1603 } 1604 d->shadow_rom.mode = cpu_to_le32(modenr); 1605 d->rom->mode = cpu_to_le32(modenr); 1606 qxl_rom_set_dirty(d); 1607 } 1608 1609 static void ioport_write(void *opaque, hwaddr addr, 1610 uint64_t val, unsigned size) 1611 { 1612 PCIQXLDevice *d = opaque; 1613 uint32_t io_port = addr; 1614 qxl_async_io async = QXL_SYNC; 1615 uint32_t orig_io_port; 1616 1617 if (d->guest_bug && io_port != QXL_IO_RESET) { 1618 return; 1619 } 1620 1621 if (d->revision <= QXL_REVISION_STABLE_V10 && 1622 io_port > QXL_IO_FLUSH_RELEASE) { 1623 qxl_set_guest_bug(d, "unsupported io %d for revision %d\n", 1624 io_port, d->revision); 1625 return; 1626 } 1627 1628 switch (io_port) { 1629 case QXL_IO_RESET: 1630 case QXL_IO_SET_MODE: 1631 case QXL_IO_MEMSLOT_ADD: 1632 case QXL_IO_MEMSLOT_DEL: 1633 case QXL_IO_CREATE_PRIMARY: 1634 case QXL_IO_UPDATE_IRQ: 1635 case QXL_IO_LOG: 1636 case QXL_IO_MEMSLOT_ADD_ASYNC: 1637 case QXL_IO_CREATE_PRIMARY_ASYNC: 1638 break; 1639 default: 1640 if (d->mode != QXL_MODE_VGA) { 1641 break; 1642 } 1643 trace_qxl_io_unexpected_vga_mode(d->id, 1644 addr, val, io_port_to_string(io_port)); 1645 /* be nice to buggy guest drivers */ 1646 if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && 1647 io_port < QXL_IO_RANGE_SIZE) { 1648 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1649 } 1650 return; 1651 } 1652 1653 /* we change the io_port to avoid ifdeffery in the main switch */ 1654 orig_io_port = io_port; 1655 switch (io_port) { 1656 case QXL_IO_UPDATE_AREA_ASYNC: 1657 io_port = QXL_IO_UPDATE_AREA; 1658 goto async_common; 1659 case QXL_IO_MEMSLOT_ADD_ASYNC: 1660 io_port = QXL_IO_MEMSLOT_ADD; 1661 goto async_common; 1662 case QXL_IO_CREATE_PRIMARY_ASYNC: 1663 io_port = QXL_IO_CREATE_PRIMARY; 1664 goto async_common; 1665 case QXL_IO_DESTROY_PRIMARY_ASYNC: 1666 io_port = QXL_IO_DESTROY_PRIMARY; 1667 goto async_common; 1668 case QXL_IO_DESTROY_SURFACE_ASYNC: 1669 io_port = QXL_IO_DESTROY_SURFACE_WAIT; 1670 goto async_common; 1671 case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: 1672 io_port = QXL_IO_DESTROY_ALL_SURFACES; 1673 goto async_common; 1674 case QXL_IO_FLUSH_SURFACES_ASYNC: 1675 case QXL_IO_MONITORS_CONFIG_ASYNC: 1676 async_common: 1677 async = QXL_ASYNC; 1678 WITH_QEMU_LOCK_GUARD(&d->async_lock) { 1679 if (d->current_async != QXL_UNDEFINED_IO) { 1680 qxl_set_guest_bug(d, "%d async started before last (%d) complete", 1681 io_port, d->current_async); 1682 return; 1683 } 1684 d->current_async = orig_io_port; 1685 } 1686 break; 1687 default: 1688 break; 1689 } 1690 trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), 1691 addr, io_port_to_string(addr), 1692 val, size, async); 1693 1694 switch (io_port) { 1695 case QXL_IO_UPDATE_AREA: 1696 { 1697 QXLCookie *cookie = NULL; 1698 QXLRect update = d->ram->update_area; 1699 1700 if (d->ram->update_surface > d->ssd.num_surfaces) { 1701 qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n", 1702 d->ram->update_surface); 1703 break; 1704 } 1705 if (update.left >= update.right || update.top >= update.bottom || 1706 update.left < 0 || update.top < 0) { 1707 qxl_set_guest_bug(d, 1708 "QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n", 1709 update.left, update.top, update.right, update.bottom); 1710 if (update.left == update.right || update.top == update.bottom) { 1711 /* old drivers may provide empty area, keep going */ 1712 qxl_clear_guest_bug(d); 1713 goto cancel_async; 1714 } 1715 break; 1716 } 1717 if (async == QXL_ASYNC) { 1718 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, 1719 QXL_IO_UPDATE_AREA_ASYNC); 1720 cookie->u.area = update; 1721 } 1722 qxl_spice_update_area(d, d->ram->update_surface, 1723 cookie ? &cookie->u.area : &update, 1724 NULL, 0, 0, async, cookie); 1725 break; 1726 } 1727 case QXL_IO_NOTIFY_CMD: 1728 qemu_spice_wakeup(&d->ssd); 1729 break; 1730 case QXL_IO_NOTIFY_CURSOR: 1731 qemu_spice_wakeup(&d->ssd); 1732 break; 1733 case QXL_IO_UPDATE_IRQ: 1734 qxl_update_irq(d); 1735 break; 1736 case QXL_IO_NOTIFY_OOM: 1737 if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { 1738 break; 1739 } 1740 d->oom_running = 1; 1741 qxl_spice_oom(d); 1742 d->oom_running = 0; 1743 break; 1744 case QXL_IO_SET_MODE: 1745 qxl_set_mode(d, val, 0); 1746 break; 1747 case QXL_IO_LOG: 1748 #ifdef CONFIG_MODULES 1749 /* 1750 * FIXME 1751 * trace_event_get_state_backends() does not work for modules, 1752 * it leads to "undefined symbol: qemu_qxl_io_log_semaphore" 1753 */ 1754 if (true) { 1755 #else 1756 if (trace_event_get_state_backends(TRACE_QXL_IO_LOG) || d->guestdebug) { 1757 #endif 1758 /* We cannot trust the guest to NUL terminate d->ram->log_buf */ 1759 char *log_buf = g_strndup((const char *)d->ram->log_buf, 1760 sizeof(d->ram->log_buf)); 1761 trace_qxl_io_log(d->id, log_buf); 1762 if (d->guestdebug) { 1763 fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, 1764 qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), log_buf); 1765 } 1766 g_free(log_buf); 1767 } 1768 break; 1769 case QXL_IO_RESET: 1770 qxl_hard_reset(d, 0); 1771 break; 1772 case QXL_IO_MEMSLOT_ADD: 1773 if (val >= NUM_MEMSLOTS) { 1774 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); 1775 break; 1776 } 1777 if (d->guest_slots[val].active) { 1778 qxl_set_guest_bug(d, 1779 "QXL_IO_MEMSLOT_ADD: memory slot already active"); 1780 break; 1781 } 1782 d->guest_slots[val].slot = d->ram->mem_slot; 1783 qxl_add_memslot(d, val, 0, async); 1784 break; 1785 case QXL_IO_MEMSLOT_DEL: 1786 if (val >= NUM_MEMSLOTS) { 1787 qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); 1788 break; 1789 } 1790 qxl_del_memslot(d, val); 1791 break; 1792 case QXL_IO_CREATE_PRIMARY: 1793 if (val != 0) { 1794 qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", 1795 async); 1796 goto cancel_async; 1797 } 1798 d->guest_primary.surface = d->ram->create_surface; 1799 qxl_create_guest_primary(d, 0, async); 1800 break; 1801 case QXL_IO_DESTROY_PRIMARY: 1802 if (val != 0) { 1803 qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", 1804 async); 1805 goto cancel_async; 1806 } 1807 if (!qxl_destroy_primary(d, async)) { 1808 trace_qxl_io_destroy_primary_ignored(d->id, 1809 qxl_mode_to_string(d->mode)); 1810 goto cancel_async; 1811 } 1812 break; 1813 case QXL_IO_DESTROY_SURFACE_WAIT: 1814 if (val >= d->ssd.num_surfaces) { 1815 qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" 1816 "%" PRIu64 " >= NUM_SURFACES", async, val); 1817 goto cancel_async; 1818 } 1819 qxl_spice_destroy_surface_wait(d, val, async); 1820 break; 1821 case QXL_IO_FLUSH_RELEASE: { 1822 QXLReleaseRing *ring = &d->ram->release_ring; 1823 if (ring->prod - ring->cons + 1 == ring->num_items) { 1824 fprintf(stderr, 1825 "ERROR: no flush, full release ring [p%d,%dc]\n", 1826 ring->prod, ring->cons); 1827 } 1828 qxl_push_free_res(d, 1 /* flush */); 1829 break; 1830 } 1831 case QXL_IO_FLUSH_SURFACES_ASYNC: 1832 qxl_spice_flush_surfaces_async(d); 1833 break; 1834 case QXL_IO_DESTROY_ALL_SURFACES: 1835 d->mode = QXL_MODE_UNDEFINED; 1836 qxl_spice_destroy_surfaces(d, async); 1837 break; 1838 case QXL_IO_MONITORS_CONFIG_ASYNC: 1839 qxl_spice_monitors_config_async(d, 0); 1840 break; 1841 default: 1842 qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port); 1843 } 1844 return; 1845 cancel_async: 1846 if (async) { 1847 qxl_send_events(d, QXL_INTERRUPT_IO_CMD); 1848 qemu_mutex_lock(&d->async_lock); 1849 d->current_async = QXL_UNDEFINED_IO; 1850 qemu_mutex_unlock(&d->async_lock); 1851 } 1852 } 1853 1854 static uint64_t ioport_read(void *opaque, hwaddr addr, 1855 unsigned size) 1856 { 1857 PCIQXLDevice *qxl = opaque; 1858 1859 trace_qxl_io_read_unexpected(qxl->id); 1860 return 0xff; 1861 } 1862 1863 static const MemoryRegionOps qxl_io_ops = { 1864 .read = ioport_read, 1865 .write = ioport_write, 1866 .valid = { 1867 .min_access_size = 1, 1868 .max_access_size = 1, 1869 }, 1870 }; 1871 1872 static void qxl_update_irq_bh(void *opaque) 1873 { 1874 PCIQXLDevice *d = opaque; 1875 qxl_update_irq(d); 1876 } 1877 1878 static void qxl_send_events(PCIQXLDevice *d, uint32_t events) 1879 { 1880 uint32_t old_pending; 1881 uint32_t le_events = cpu_to_le32(events); 1882 1883 trace_qxl_send_events(d->id, events); 1884 if (!qemu_spice_display_is_running(&d->ssd)) { 1885 /* spice-server tracks guest running state and should not do this */ 1886 fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n", 1887 __func__); 1888 trace_qxl_send_events_vm_stopped(d->id, events); 1889 return; 1890 } 1891 /* 1892 * Older versions of Spice forgot to define the QXLRam struct 1893 * with the '__aligned__(4)' attribute. clang 7 and newer will 1894 * thus warn that qatomic_fetch_or(&d->ram->int_pending, ...) 1895 * might be a misaligned atomic access, and will generate an 1896 * out-of-line call for it, which results in a link error since 1897 * we don't currently link against libatomic. 1898 * 1899 * In fact we set up d->ram in init_qxl_ram() so it always starts 1900 * at a 4K boundary, so we know that &d->ram->int_pending is 1901 * naturally aligned for a uint32_t. Newer Spice versions 1902 * (with Spice commit beda5ec7a6848be20c0cac2a9a8ef2a41e8069c1) 1903 * will fix the bug directly. To deal with older versions, 1904 * we tell the compiler to assume the address really is aligned. 1905 * Any compiler which cares about the misalignment will have 1906 * __builtin_assume_aligned. 1907 */ 1908 #ifdef HAS_ASSUME_ALIGNED 1909 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)__builtin_assume_aligned(P, 4)) 1910 #else 1911 #define ALIGNED_UINT32_PTR(P) ((uint32_t *)P) 1912 #endif 1913 1914 old_pending = qatomic_fetch_or(ALIGNED_UINT32_PTR(&d->ram->int_pending), 1915 le_events); 1916 if ((old_pending & le_events) == le_events) { 1917 return; 1918 } 1919 qemu_bh_schedule(d->update_irq); 1920 } 1921 1922 /* graphics console */ 1923 1924 static void qxl_hw_update(void *opaque) 1925 { 1926 PCIQXLDevice *qxl = opaque; 1927 1928 qxl_render_update(qxl); 1929 } 1930 1931 static void qxl_dirty_one_surface(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, 1932 uint32_t height, int32_t stride) 1933 { 1934 uint64_t offset, size; 1935 uint32_t slot; 1936 bool rc; 1937 1938 size = (uint64_t)height * abs(stride); 1939 rc = qxl_get_check_slot_offset(qxl, pqxl, &slot, &offset, size); 1940 assert(rc == true); 1941 trace_qxl_surfaces_dirty(qxl->id, offset, size); 1942 qxl_set_dirty(qxl->guest_slots[slot].mr, 1943 qxl->guest_slots[slot].offset + offset, 1944 qxl->guest_slots[slot].offset + offset + size); 1945 } 1946 1947 static void qxl_dirty_surfaces(PCIQXLDevice *qxl) 1948 { 1949 int i; 1950 1951 if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { 1952 return; 1953 } 1954 1955 /* dirty the primary surface */ 1956 qxl_dirty_one_surface(qxl, qxl->guest_primary.surface.mem, 1957 qxl->guest_primary.surface.height, 1958 qxl->guest_primary.surface.stride); 1959 1960 /* dirty the off-screen surfaces */ 1961 for (i = 0; i < qxl->ssd.num_surfaces; i++) { 1962 QXLSurfaceCmd *cmd; 1963 1964 if (qxl->guest_surfaces.cmds[i] == 0) { 1965 continue; 1966 } 1967 1968 cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], 1969 MEMSLOT_GROUP_GUEST, sizeof(QXLSurfaceCmd)); 1970 assert(cmd); 1971 assert(cmd->type == QXL_SURFACE_CMD_CREATE); 1972 qxl_dirty_one_surface(qxl, cmd->u.surface_create.data, 1973 cmd->u.surface_create.height, 1974 cmd->u.surface_create.stride); 1975 } 1976 } 1977 1978 static void qxl_vm_change_state_handler(void *opaque, bool running, 1979 RunState state) 1980 { 1981 PCIQXLDevice *qxl = opaque; 1982 1983 if (running) { 1984 /* 1985 * if qxl_send_events was called from spice server context before 1986 * migration ended, qxl_update_irq for these events might not have been 1987 * called 1988 */ 1989 qxl_update_irq(qxl); 1990 } else { 1991 /* make sure surfaces are saved before migration */ 1992 qxl_dirty_surfaces(qxl); 1993 } 1994 } 1995 1996 /* display change listener */ 1997 1998 static void display_update(DisplayChangeListener *dcl, 1999 int x, int y, int w, int h) 2000 { 2001 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2002 2003 if (qxl->mode == QXL_MODE_VGA) { 2004 qemu_spice_display_update(&qxl->ssd, x, y, w, h); 2005 } 2006 } 2007 2008 static void display_switch(DisplayChangeListener *dcl, 2009 struct DisplaySurface *surface) 2010 { 2011 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2012 2013 qxl->ssd.ds = surface; 2014 if (qxl->mode == QXL_MODE_VGA) { 2015 qemu_spice_display_switch(&qxl->ssd, surface); 2016 } 2017 } 2018 2019 static void display_refresh(DisplayChangeListener *dcl) 2020 { 2021 PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); 2022 2023 if (qxl->mode == QXL_MODE_VGA) { 2024 qemu_spice_display_refresh(&qxl->ssd); 2025 } 2026 } 2027 2028 static DisplayChangeListenerOps display_listener_ops = { 2029 .dpy_name = "spice/qxl", 2030 .dpy_gfx_update = display_update, 2031 .dpy_gfx_switch = display_switch, 2032 .dpy_refresh = display_refresh, 2033 }; 2034 2035 static void qxl_init_ramsize(PCIQXLDevice *qxl) 2036 { 2037 /* vga mode framebuffer / primary surface (bar 0, first part) */ 2038 if (qxl->vgamem_size_mb < 8) { 2039 qxl->vgamem_size_mb = 8; 2040 } 2041 /* XXX: we round vgamem_size_mb up to a nearest power of two and it must be 2042 * less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now). 2043 */ 2044 if (qxl->vgamem_size_mb > 256) { 2045 qxl->vgamem_size_mb = 256; 2046 } 2047 qxl->vgamem_size = qxl->vgamem_size_mb * MiB; 2048 2049 /* vga ram (bar 0, total) */ 2050 if (qxl->ram_size_mb != -1) { 2051 qxl->vga.vram_size = qxl->ram_size_mb * MiB; 2052 } 2053 if (qxl->vga.vram_size < qxl->vgamem_size * 2) { 2054 qxl->vga.vram_size = qxl->vgamem_size * 2; 2055 } 2056 2057 /* vram32 (surfaces, 32bit, bar 1) */ 2058 if (qxl->vram32_size_mb != -1) { 2059 qxl->vram32_size = qxl->vram32_size_mb * MiB; 2060 } 2061 if (qxl->vram32_size < 4096) { 2062 qxl->vram32_size = 4096; 2063 } 2064 2065 /* vram (surfaces, 64bit, bar 4+5) */ 2066 if (qxl->vram_size_mb != -1) { 2067 qxl->vram_size = (uint64_t)qxl->vram_size_mb * MiB; 2068 } 2069 if (qxl->vram_size < qxl->vram32_size) { 2070 qxl->vram_size = qxl->vram32_size; 2071 } 2072 2073 if (qxl->revision == 1) { 2074 qxl->vram32_size = 4096; 2075 qxl->vram_size = 4096; 2076 } 2077 qxl->vgamem_size = pow2ceil(qxl->vgamem_size); 2078 qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size); 2079 qxl->vram32_size = pow2ceil(qxl->vram32_size); 2080 qxl->vram_size = pow2ceil(qxl->vram_size); 2081 } 2082 2083 static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) 2084 { 2085 uint8_t* config = qxl->pci.config; 2086 uint32_t pci_device_rev; 2087 uint32_t io_size; 2088 2089 qemu_spice_display_init_common(&qxl->ssd); 2090 qxl->mode = QXL_MODE_UNDEFINED; 2091 qxl->num_memslots = NUM_MEMSLOTS; 2092 qemu_mutex_init(&qxl->track_lock); 2093 qemu_mutex_init(&qxl->async_lock); 2094 qxl->current_async = QXL_UNDEFINED_IO; 2095 qxl->guest_bug = 0; 2096 2097 switch (qxl->revision) { 2098 case 1: /* spice 0.4 -- qxl-1 */ 2099 pci_device_rev = QXL_REVISION_STABLE_V04; 2100 io_size = 8; 2101 break; 2102 case 2: /* spice 0.6 -- qxl-2 */ 2103 pci_device_rev = QXL_REVISION_STABLE_V06; 2104 io_size = 16; 2105 break; 2106 case 3: /* qxl-3 */ 2107 pci_device_rev = QXL_REVISION_STABLE_V10; 2108 io_size = 32; /* PCI region size must be pow2 */ 2109 break; 2110 case 4: /* qxl-4 */ 2111 pci_device_rev = QXL_REVISION_STABLE_V12; 2112 io_size = pow2ceil(QXL_IO_RANGE_SIZE); 2113 break; 2114 case 5: /* qxl-5 */ 2115 pci_device_rev = QXL_REVISION_STABLE_V12 + 1; 2116 io_size = pow2ceil(QXL_IO_RANGE_SIZE); 2117 break; 2118 default: 2119 error_setg(errp, "Invalid revision %d for qxl device (max %d)", 2120 qxl->revision, QXL_DEFAULT_REVISION); 2121 return; 2122 } 2123 2124 pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); 2125 pci_set_byte(&config[PCI_INTERRUPT_PIN], 1); 2126 2127 qxl->rom_size = qxl_rom_size(); 2128 memory_region_init_rom(&qxl->rom_bar, OBJECT(qxl), "qxl.vrom", 2129 qxl->rom_size, &error_fatal); 2130 init_qxl_rom(qxl); 2131 init_qxl_ram(qxl); 2132 2133 qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); 2134 memory_region_init_ram(&qxl->vram_bar, OBJECT(qxl), "qxl.vram", 2135 qxl->vram_size, &error_fatal); 2136 memory_region_init_alias(&qxl->vram32_bar, OBJECT(qxl), "qxl.vram32", 2137 &qxl->vram_bar, 0, qxl->vram32_size); 2138 2139 memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl, 2140 "qxl-ioports", io_size); 2141 if (qxl->have_vga) { 2142 vga_dirty_log_start(&qxl->vga); 2143 } 2144 memory_region_set_flush_coalesced(&qxl->io_bar); 2145 2146 2147 pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, 2148 PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); 2149 2150 pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, 2151 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); 2152 2153 pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, 2154 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); 2155 2156 pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, 2157 PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); 2158 2159 if (qxl->vram32_size < qxl->vram_size) { 2160 /* 2161 * Make the 64bit vram bar show up only in case it is 2162 * configured to be larger than the 32bit vram bar. 2163 */ 2164 pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, 2165 PCI_BASE_ADDRESS_SPACE_MEMORY | 2166 PCI_BASE_ADDRESS_MEM_TYPE_64 | 2167 PCI_BASE_ADDRESS_MEM_PREFETCH, 2168 &qxl->vram_bar); 2169 } 2170 2171 /* print pci bar details */ 2172 dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n", 2173 qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB); 2174 dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n", 2175 qxl->vram32_size / MiB); 2176 dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n", 2177 qxl->vram_size / MiB, 2178 qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); 2179 2180 qxl->ssd.qxl.base.sif = &qxl_interface.base; 2181 if (qemu_spice_add_display_interface(&qxl->ssd.qxl, qxl->vga.con) != 0) { 2182 error_setg(errp, "qxl interface %d.%d not supported by spice-server", 2183 SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); 2184 return; 2185 } 2186 2187 #if SPICE_SERVER_VERSION >= 0x000e02 /* release 0.14.2 */ 2188 Error *err = NULL; 2189 char device_address[256] = ""; 2190 if (qemu_console_fill_device_address(qxl->vga.con, 2191 device_address, sizeof(device_address), 2192 &err)) { 2193 spice_qxl_set_device_info(&qxl->ssd.qxl, 2194 device_address, 2195 0, 2196 qxl->max_outputs); 2197 } else { 2198 error_report_err(err); 2199 } 2200 #endif 2201 2202 qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); 2203 2204 qxl->update_irq = qemu_bh_new_guarded(qxl_update_irq_bh, qxl, 2205 &DEVICE(qxl)->mem_reentrancy_guard); 2206 qxl_reset_state(qxl); 2207 2208 qxl->update_area_bh = qemu_bh_new_guarded(qxl_render_update_area_bh, qxl, 2209 &DEVICE(qxl)->mem_reentrancy_guard); 2210 qxl->ssd.cursor_bh = qemu_bh_new_guarded(qemu_spice_cursor_refresh_bh, &qxl->ssd, 2211 &DEVICE(qxl)->mem_reentrancy_guard); 2212 } 2213 2214 static void qxl_realize_primary(PCIDevice *dev, Error **errp) 2215 { 2216 PCIQXLDevice *qxl = PCI_QXL(dev); 2217 VGACommonState *vga = &qxl->vga; 2218 Error *local_err = NULL; 2219 2220 qxl_init_ramsize(qxl); 2221 vga->vbe_size = qxl->vgamem_size; 2222 vga->vram_size_mb = qxl->vga.vram_size / MiB; 2223 vga_common_init(vga, OBJECT(dev), &local_err); 2224 if (local_err) { 2225 error_propagate(errp, local_err); 2226 return; 2227 } 2228 vga_init(vga, OBJECT(dev), 2229 pci_address_space(dev), pci_address_space_io(dev), false); 2230 portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list, 2231 vga, "vga"); 2232 portio_list_set_flush_coalesced(&qxl->vga_port_list); 2233 portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0); 2234 qxl->have_vga = true; 2235 2236 vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2237 qxl->id = qemu_console_get_index(vga->con); /* == channel_id */ 2238 if (qxl->id != 0) { 2239 error_setg(errp, "primary qxl-vga device must be console 0 " 2240 "(first display device on the command line)"); 2241 return; 2242 } 2243 2244 qxl_realize_common(qxl, &local_err); 2245 if (local_err) { 2246 error_propagate(errp, local_err); 2247 return; 2248 } 2249 2250 qxl->ssd.dcl.ops = &display_listener_ops; 2251 qxl->ssd.dcl.con = vga->con; 2252 register_displaychangelistener(&qxl->ssd.dcl); 2253 } 2254 2255 static void qxl_realize_secondary(PCIDevice *dev, Error **errp) 2256 { 2257 PCIQXLDevice *qxl = PCI_QXL(dev); 2258 2259 qxl_init_ramsize(qxl); 2260 memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram", 2261 qxl->vga.vram_size, &error_fatal); 2262 qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); 2263 qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl); 2264 qxl->ssd.dcl.con = qxl->vga.con; 2265 qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */ 2266 2267 qxl_realize_common(qxl, errp); 2268 } 2269 2270 static int qxl_pre_save(void *opaque) 2271 { 2272 PCIQXLDevice* d = opaque; 2273 uint8_t *ram_start = d->vga.vram_ptr; 2274 2275 trace_qxl_pre_save(d->id); 2276 if (d->last_release == NULL) { 2277 d->last_release_offset = 0; 2278 } else { 2279 d->last_release_offset = (uint8_t *)d->last_release - ram_start; 2280 } 2281 if (d->last_release_offset >= d->vga.vram_size) { 2282 return 1; 2283 } 2284 2285 return 0; 2286 } 2287 2288 static int qxl_pre_load(void *opaque) 2289 { 2290 PCIQXLDevice* d = opaque; 2291 2292 trace_qxl_pre_load(d->id); 2293 qxl_hard_reset(d, 1); 2294 qxl_exit_vga_mode(d); 2295 return 0; 2296 } 2297 2298 static void qxl_create_memslots(PCIQXLDevice *d) 2299 { 2300 int i; 2301 2302 for (i = 0; i < NUM_MEMSLOTS; i++) { 2303 if (!d->guest_slots[i].active) { 2304 continue; 2305 } 2306 qxl_add_memslot(d, i, 0, QXL_SYNC); 2307 } 2308 } 2309 2310 static int qxl_post_load(void *opaque, int version) 2311 { 2312 PCIQXLDevice* d = opaque; 2313 uint8_t *ram_start = d->vga.vram_ptr; 2314 QXLCommandExt *cmds; 2315 int in, out, newmode; 2316 2317 assert(d->last_release_offset < d->vga.vram_size); 2318 if (d->last_release_offset == 0) { 2319 d->last_release = NULL; 2320 } else { 2321 d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); 2322 } 2323 2324 d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); 2325 2326 trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); 2327 newmode = d->mode; 2328 d->mode = QXL_MODE_UNDEFINED; 2329 2330 switch (newmode) { 2331 case QXL_MODE_UNDEFINED: 2332 qxl_create_memslots(d); 2333 break; 2334 case QXL_MODE_VGA: 2335 qxl_create_memslots(d); 2336 qxl_enter_vga_mode(d); 2337 break; 2338 case QXL_MODE_NATIVE: 2339 qxl_create_memslots(d); 2340 qxl_create_guest_primary(d, 1, QXL_SYNC); 2341 2342 /* replay surface-create and cursor-set commands */ 2343 cmds = g_new0(QXLCommandExt, d->ssd.num_surfaces + 1); 2344 for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { 2345 if (d->guest_surfaces.cmds[in] == 0) { 2346 continue; 2347 } 2348 cmds[out].cmd.data = d->guest_surfaces.cmds[in]; 2349 cmds[out].cmd.type = QXL_CMD_SURFACE; 2350 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2351 out++; 2352 } 2353 if (d->guest_cursor) { 2354 cmds[out].cmd.data = d->guest_cursor; 2355 cmds[out].cmd.type = QXL_CMD_CURSOR; 2356 cmds[out].group_id = MEMSLOT_GROUP_GUEST; 2357 out++; 2358 } 2359 qxl_spice_loadvm_commands(d, cmds, out); 2360 g_free(cmds); 2361 if (d->guest_monitors_config) { 2362 qxl_spice_monitors_config_async(d, 1); 2363 } 2364 break; 2365 case QXL_MODE_COMPAT: 2366 /* note: no need to call qxl_create_memslots, qxl_set_mode 2367 * creates the mem slot. */ 2368 qxl_set_mode(d, d->shadow_rom.mode, 1); 2369 break; 2370 } 2371 return 0; 2372 } 2373 2374 #define QXL_SAVE_VERSION 21 2375 2376 static bool qxl_monitors_config_needed(void *opaque) 2377 { 2378 PCIQXLDevice *qxl = opaque; 2379 2380 return qxl->guest_monitors_config != 0; 2381 } 2382 2383 2384 static const VMStateDescription qxl_memslot = { 2385 .name = "qxl-memslot", 2386 .version_id = QXL_SAVE_VERSION, 2387 .minimum_version_id = QXL_SAVE_VERSION, 2388 .fields = (VMStateField[]) { 2389 VMSTATE_UINT64(slot.mem_start, struct guest_slots), 2390 VMSTATE_UINT64(slot.mem_end, struct guest_slots), 2391 VMSTATE_UINT32(active, struct guest_slots), 2392 VMSTATE_END_OF_LIST() 2393 } 2394 }; 2395 2396 static const VMStateDescription qxl_surface = { 2397 .name = "qxl-surface", 2398 .version_id = QXL_SAVE_VERSION, 2399 .minimum_version_id = QXL_SAVE_VERSION, 2400 .fields = (VMStateField[]) { 2401 VMSTATE_UINT32(width, QXLSurfaceCreate), 2402 VMSTATE_UINT32(height, QXLSurfaceCreate), 2403 VMSTATE_INT32(stride, QXLSurfaceCreate), 2404 VMSTATE_UINT32(format, QXLSurfaceCreate), 2405 VMSTATE_UINT32(position, QXLSurfaceCreate), 2406 VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), 2407 VMSTATE_UINT32(flags, QXLSurfaceCreate), 2408 VMSTATE_UINT32(type, QXLSurfaceCreate), 2409 VMSTATE_UINT64(mem, QXLSurfaceCreate), 2410 VMSTATE_END_OF_LIST() 2411 } 2412 }; 2413 2414 static const VMStateDescription qxl_vmstate_monitors_config = { 2415 .name = "qxl/monitors-config", 2416 .version_id = 1, 2417 .minimum_version_id = 1, 2418 .needed = qxl_monitors_config_needed, 2419 .fields = (VMStateField[]) { 2420 VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), 2421 VMSTATE_END_OF_LIST() 2422 }, 2423 }; 2424 2425 static const VMStateDescription qxl_vmstate = { 2426 .name = "qxl", 2427 .version_id = QXL_SAVE_VERSION, 2428 .minimum_version_id = QXL_SAVE_VERSION, 2429 .pre_save = qxl_pre_save, 2430 .pre_load = qxl_pre_load, 2431 .post_load = qxl_post_load, 2432 .fields = (VMStateField[]) { 2433 VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), 2434 VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState), 2435 VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), 2436 VMSTATE_UINT32(num_free_res, PCIQXLDevice), 2437 VMSTATE_UINT32(last_release_offset, PCIQXLDevice), 2438 VMSTATE_UINT32(mode, PCIQXLDevice), 2439 VMSTATE_UINT32(ssd.unique, PCIQXLDevice), 2440 VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice, NULL), 2441 VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0, 2442 qxl_memslot, struct guest_slots), 2443 VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0, 2444 qxl_surface, QXLSurfaceCreate), 2445 VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice, NULL), 2446 VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, 2447 ssd.num_surfaces, 0, 2448 vmstate_info_uint64, uint64_t), 2449 VMSTATE_UINT64(guest_cursor, PCIQXLDevice), 2450 VMSTATE_END_OF_LIST() 2451 }, 2452 .subsections = (const VMStateDescription*[]) { 2453 &qxl_vmstate_monitors_config, 2454 NULL 2455 } 2456 }; 2457 2458 static Property qxl_properties[] = { 2459 DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size, 64 * MiB), 2460 DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size, 64 * MiB), 2461 DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2462 QXL_DEFAULT_REVISION), 2463 DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), 2464 DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), 2465 DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), 2466 DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), 2467 DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), 2468 DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), 2469 DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), 2470 DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), 2471 DEFINE_PROP_UINT16("max_outputs", PCIQXLDevice, max_outputs, 0), 2472 DEFINE_PROP_UINT32("xres", PCIQXLDevice, xres, 0), 2473 DEFINE_PROP_UINT32("yres", PCIQXLDevice, yres, 0), 2474 DEFINE_PROP_BOOL("global-vmstate", PCIQXLDevice, vga.global_vmstate, false), 2475 DEFINE_PROP_END_OF_LIST(), 2476 }; 2477 2478 static void qxl_pci_class_init(ObjectClass *klass, void *data) 2479 { 2480 DeviceClass *dc = DEVICE_CLASS(klass); 2481 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2482 2483 k->vendor_id = REDHAT_PCI_VENDOR_ID; 2484 k->device_id = QXL_DEVICE_ID_STABLE; 2485 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2486 dc->reset = qxl_reset_handler; 2487 dc->vmsd = &qxl_vmstate; 2488 device_class_set_props(dc, qxl_properties); 2489 } 2490 2491 static const TypeInfo qxl_pci_type_info = { 2492 .name = TYPE_PCI_QXL, 2493 .parent = TYPE_PCI_DEVICE, 2494 .instance_size = sizeof(PCIQXLDevice), 2495 .abstract = true, 2496 .class_init = qxl_pci_class_init, 2497 .interfaces = (InterfaceInfo[]) { 2498 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 2499 { }, 2500 }, 2501 }; 2502 2503 static void qxl_primary_class_init(ObjectClass *klass, void *data) 2504 { 2505 DeviceClass *dc = DEVICE_CLASS(klass); 2506 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2507 2508 k->realize = qxl_realize_primary; 2509 k->romfile = "vgabios-qxl.bin"; 2510 k->class_id = PCI_CLASS_DISPLAY_VGA; 2511 dc->desc = "Spice QXL GPU (primary, vga compatible)"; 2512 dc->hotpluggable = false; 2513 } 2514 2515 static const TypeInfo qxl_primary_info = { 2516 .name = "qxl-vga", 2517 .parent = TYPE_PCI_QXL, 2518 .class_init = qxl_primary_class_init, 2519 }; 2520 module_obj("qxl-vga"); 2521 module_kconfig(QXL); 2522 2523 static void qxl_secondary_class_init(ObjectClass *klass, void *data) 2524 { 2525 DeviceClass *dc = DEVICE_CLASS(klass); 2526 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2527 2528 k->realize = qxl_realize_secondary; 2529 k->class_id = PCI_CLASS_DISPLAY_OTHER; 2530 dc->desc = "Spice QXL GPU (secondary)"; 2531 } 2532 2533 static const TypeInfo qxl_secondary_info = { 2534 .name = "qxl", 2535 .parent = TYPE_PCI_QXL, 2536 .class_init = qxl_secondary_class_init, 2537 }; 2538 module_obj("qxl"); 2539 2540 static void qxl_register_types(void) 2541 { 2542 type_register_static(&qxl_pci_type_info); 2543 type_register_static(&qxl_primary_info); 2544 type_register_static(&qxl_secondary_info); 2545 } 2546 2547 type_init(qxl_register_types) 2548 2549 module_dep("ui-spice-core"); 2550