1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * QEMU loongson 3a5000 develop board emulation 4 * 5 * Copyright (c) 2021 Loongson Technology Corporation Limited 6 */ 7 #include "qemu/osdep.h" 8 #include "qemu/units.h" 9 #include "qemu/datadir.h" 10 #include "qapi/error.h" 11 #include "hw/boards.h" 12 #include "hw/char/serial.h" 13 #include "sysemu/sysemu.h" 14 #include "sysemu/qtest.h" 15 #include "sysemu/runstate.h" 16 #include "sysemu/reset.h" 17 #include "sysemu/rtc.h" 18 #include "hw/loongarch/virt.h" 19 #include "exec/address-spaces.h" 20 #include "hw/irq.h" 21 #include "net/net.h" 22 #include "hw/loader.h" 23 #include "elf.h" 24 #include "hw/intc/loongson_ipi.h" 25 #include "hw/intc/loongarch_extioi.h" 26 #include "hw/intc/loongarch_pch_pic.h" 27 #include "hw/intc/loongarch_pch_msi.h" 28 #include "hw/pci-host/ls7a.h" 29 #include "hw/pci-host/gpex.h" 30 #include "hw/misc/unimp.h" 31 #include "hw/loongarch/fw_cfg.h" 32 #include "target/loongarch/cpu.h" 33 #include "hw/firmware/smbios.h" 34 #include "hw/acpi/aml-build.h" 35 #include "qapi/qapi-visit-common.h" 36 #include "hw/acpi/generic_event_device.h" 37 #include "hw/mem/nvdimm.h" 38 #include "sysemu/device_tree.h" 39 #include <libfdt.h> 40 #include "hw/core/sysbus-fdt.h" 41 #include "hw/platform-bus.h" 42 #include "hw/display/ramfb.h" 43 #include "hw/mem/pc-dimm.h" 44 #include "sysemu/tpm.h" 45 #include "sysemu/block-backend.h" 46 #include "hw/block/flash.h" 47 #include "qemu/error-report.h" 48 49 static PFlashCFI01 *virt_flash_create1(LoongArchVirtMachineState *lvms, 50 const char *name, 51 const char *alias_prop_name) 52 { 53 DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); 54 55 qdev_prop_set_uint64(dev, "sector-length", VIRT_FLASH_SECTOR_SIZE); 56 qdev_prop_set_uint8(dev, "width", 4); 57 qdev_prop_set_uint8(dev, "device-width", 2); 58 qdev_prop_set_bit(dev, "big-endian", false); 59 qdev_prop_set_uint16(dev, "id0", 0x89); 60 qdev_prop_set_uint16(dev, "id1", 0x18); 61 qdev_prop_set_uint16(dev, "id2", 0x00); 62 qdev_prop_set_uint16(dev, "id3", 0x00); 63 qdev_prop_set_string(dev, "name", name); 64 object_property_add_child(OBJECT(lvms), name, OBJECT(dev)); 65 object_property_add_alias(OBJECT(lvms), alias_prop_name, 66 OBJECT(dev), "drive"); 67 return PFLASH_CFI01(dev); 68 } 69 70 static void virt_flash_create(LoongArchVirtMachineState *lvms) 71 { 72 lvms->flash[0] = virt_flash_create1(lvms, "virt.flash0", "pflash0"); 73 lvms->flash[1] = virt_flash_create1(lvms, "virt.flash1", "pflash1"); 74 } 75 76 static void virt_flash_map1(PFlashCFI01 *flash, 77 hwaddr base, hwaddr size, 78 MemoryRegion *sysmem) 79 { 80 DeviceState *dev = DEVICE(flash); 81 BlockBackend *blk; 82 hwaddr real_size = size; 83 84 blk = pflash_cfi01_get_blk(flash); 85 if (blk) { 86 real_size = blk_getlength(blk); 87 assert(real_size && real_size <= size); 88 } 89 90 assert(QEMU_IS_ALIGNED(real_size, VIRT_FLASH_SECTOR_SIZE)); 91 assert(real_size / VIRT_FLASH_SECTOR_SIZE <= UINT32_MAX); 92 93 qdev_prop_set_uint32(dev, "num-blocks", real_size / VIRT_FLASH_SECTOR_SIZE); 94 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 95 memory_region_add_subregion(sysmem, base, 96 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0)); 97 } 98 99 static void virt_flash_map(LoongArchVirtMachineState *lvms, 100 MemoryRegion *sysmem) 101 { 102 PFlashCFI01 *flash0 = lvms->flash[0]; 103 PFlashCFI01 *flash1 = lvms->flash[1]; 104 105 virt_flash_map1(flash0, VIRT_FLASH0_BASE, VIRT_FLASH0_SIZE, sysmem); 106 virt_flash_map1(flash1, VIRT_FLASH1_BASE, VIRT_FLASH1_SIZE, sysmem); 107 } 108 109 static void fdt_add_cpuic_node(LoongArchVirtMachineState *lvms, 110 uint32_t *cpuintc_phandle) 111 { 112 MachineState *ms = MACHINE(lvms); 113 char *nodename; 114 115 *cpuintc_phandle = qemu_fdt_alloc_phandle(ms->fdt); 116 nodename = g_strdup_printf("/cpuic"); 117 qemu_fdt_add_subnode(ms->fdt, nodename); 118 qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *cpuintc_phandle); 119 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 120 "loongson,cpu-interrupt-controller"); 121 qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0); 122 qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 1); 123 g_free(nodename); 124 } 125 126 static void fdt_add_eiointc_node(LoongArchVirtMachineState *lvms, 127 uint32_t *cpuintc_phandle, 128 uint32_t *eiointc_phandle) 129 { 130 MachineState *ms = MACHINE(lvms); 131 char *nodename; 132 hwaddr extioi_base = APIC_BASE; 133 hwaddr extioi_size = EXTIOI_SIZE; 134 135 *eiointc_phandle = qemu_fdt_alloc_phandle(ms->fdt); 136 nodename = g_strdup_printf("/eiointc@%" PRIx64, extioi_base); 137 qemu_fdt_add_subnode(ms->fdt, nodename); 138 qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *eiointc_phandle); 139 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 140 "loongson,ls2k2000-eiointc"); 141 qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0); 142 qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 1); 143 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent", 144 *cpuintc_phandle); 145 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupts", 3); 146 qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0x0, 147 extioi_base, 0x0, extioi_size); 148 g_free(nodename); 149 } 150 151 static void fdt_add_pch_pic_node(LoongArchVirtMachineState *lvms, 152 uint32_t *eiointc_phandle, 153 uint32_t *pch_pic_phandle) 154 { 155 MachineState *ms = MACHINE(lvms); 156 char *nodename; 157 hwaddr pch_pic_base = VIRT_PCH_REG_BASE; 158 hwaddr pch_pic_size = VIRT_PCH_REG_SIZE; 159 160 *pch_pic_phandle = qemu_fdt_alloc_phandle(ms->fdt); 161 nodename = g_strdup_printf("/platic@%" PRIx64, pch_pic_base); 162 qemu_fdt_add_subnode(ms->fdt, nodename); 163 qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *pch_pic_phandle); 164 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 165 "loongson,pch-pic-1.0"); 166 qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0, 167 pch_pic_base, 0, pch_pic_size); 168 qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0); 169 qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 2); 170 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent", 171 *eiointc_phandle); 172 qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,pic-base-vec", 0); 173 g_free(nodename); 174 } 175 176 static void fdt_add_pch_msi_node(LoongArchVirtMachineState *lvms, 177 uint32_t *eiointc_phandle, 178 uint32_t *pch_msi_phandle) 179 { 180 MachineState *ms = MACHINE(lvms); 181 char *nodename; 182 hwaddr pch_msi_base = VIRT_PCH_MSI_ADDR_LOW; 183 hwaddr pch_msi_size = VIRT_PCH_MSI_SIZE; 184 185 *pch_msi_phandle = qemu_fdt_alloc_phandle(ms->fdt); 186 nodename = g_strdup_printf("/msi@%" PRIx64, pch_msi_base); 187 qemu_fdt_add_subnode(ms->fdt, nodename); 188 qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *pch_msi_phandle); 189 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 190 "loongson,pch-msi-1.0"); 191 qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 192 0, pch_msi_base, 193 0, pch_msi_size); 194 qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0); 195 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent", 196 *eiointc_phandle); 197 qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,msi-base-vec", 198 VIRT_PCH_PIC_IRQ_NUM); 199 qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,msi-num-vecs", 200 EXTIOI_IRQS - VIRT_PCH_PIC_IRQ_NUM); 201 g_free(nodename); 202 } 203 204 static void fdt_add_flash_node(LoongArchVirtMachineState *lvms) 205 { 206 MachineState *ms = MACHINE(lvms); 207 char *nodename; 208 MemoryRegion *flash_mem; 209 210 hwaddr flash0_base; 211 hwaddr flash0_size; 212 213 hwaddr flash1_base; 214 hwaddr flash1_size; 215 216 flash_mem = pflash_cfi01_get_memory(lvms->flash[0]); 217 flash0_base = flash_mem->addr; 218 flash0_size = memory_region_size(flash_mem); 219 220 flash_mem = pflash_cfi01_get_memory(lvms->flash[1]); 221 flash1_base = flash_mem->addr; 222 flash1_size = memory_region_size(flash_mem); 223 224 nodename = g_strdup_printf("/flash@%" PRIx64, flash0_base); 225 qemu_fdt_add_subnode(ms->fdt, nodename); 226 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", "cfi-flash"); 227 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 228 2, flash0_base, 2, flash0_size, 229 2, flash1_base, 2, flash1_size); 230 qemu_fdt_setprop_cell(ms->fdt, nodename, "bank-width", 4); 231 g_free(nodename); 232 } 233 234 static void fdt_add_rtc_node(LoongArchVirtMachineState *lvms, 235 uint32_t *pch_pic_phandle) 236 { 237 char *nodename; 238 hwaddr base = VIRT_RTC_REG_BASE; 239 hwaddr size = VIRT_RTC_LEN; 240 MachineState *ms = MACHINE(lvms); 241 242 nodename = g_strdup_printf("/rtc@%" PRIx64, base); 243 qemu_fdt_add_subnode(ms->fdt, nodename); 244 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 245 "loongson,ls7a-rtc"); 246 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 2, base, 2, size); 247 qemu_fdt_setprop_cells(ms->fdt, nodename, "interrupts", 248 VIRT_RTC_IRQ - VIRT_GSI_BASE , 0x4); 249 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent", 250 *pch_pic_phandle); 251 g_free(nodename); 252 } 253 254 static void fdt_add_uart_node(LoongArchVirtMachineState *lvms, 255 uint32_t *pch_pic_phandle) 256 { 257 char *nodename; 258 hwaddr base = VIRT_UART_BASE; 259 hwaddr size = VIRT_UART_SIZE; 260 MachineState *ms = MACHINE(lvms); 261 262 nodename = g_strdup_printf("/serial@%" PRIx64, base); 263 qemu_fdt_add_subnode(ms->fdt, nodename); 264 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", "ns16550a"); 265 qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0x0, base, 0x0, size); 266 qemu_fdt_setprop_cell(ms->fdt, nodename, "clock-frequency", 100000000); 267 qemu_fdt_setprop_string(ms->fdt, "/chosen", "stdout-path", nodename); 268 qemu_fdt_setprop_cells(ms->fdt, nodename, "interrupts", 269 VIRT_UART_IRQ - VIRT_GSI_BASE, 0x4); 270 qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent", 271 *pch_pic_phandle); 272 g_free(nodename); 273 } 274 275 static void create_fdt(LoongArchVirtMachineState *lvms) 276 { 277 MachineState *ms = MACHINE(lvms); 278 279 ms->fdt = create_device_tree(&lvms->fdt_size); 280 if (!ms->fdt) { 281 error_report("create_device_tree() failed"); 282 exit(1); 283 } 284 285 /* Header */ 286 qemu_fdt_setprop_string(ms->fdt, "/", "compatible", 287 "linux,dummy-loongson3"); 288 qemu_fdt_setprop_cell(ms->fdt, "/", "#address-cells", 0x2); 289 qemu_fdt_setprop_cell(ms->fdt, "/", "#size-cells", 0x2); 290 qemu_fdt_add_subnode(ms->fdt, "/chosen"); 291 } 292 293 static void fdt_add_cpu_nodes(const LoongArchVirtMachineState *lvms) 294 { 295 int num; 296 const MachineState *ms = MACHINE(lvms); 297 int smp_cpus = ms->smp.cpus; 298 299 qemu_fdt_add_subnode(ms->fdt, "/cpus"); 300 qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#address-cells", 0x1); 301 qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#size-cells", 0x0); 302 303 /* cpu nodes */ 304 for (num = smp_cpus - 1; num >= 0; num--) { 305 char *nodename = g_strdup_printf("/cpus/cpu@%d", num); 306 LoongArchCPU *cpu = LOONGARCH_CPU(qemu_get_cpu(num)); 307 CPUState *cs = CPU(cpu); 308 309 qemu_fdt_add_subnode(ms->fdt, nodename); 310 qemu_fdt_setprop_string(ms->fdt, nodename, "device_type", "cpu"); 311 qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", 312 cpu->dtb_compatible); 313 if (ms->possible_cpus->cpus[cs->cpu_index].props.has_node_id) { 314 qemu_fdt_setprop_cell(ms->fdt, nodename, "numa-node-id", 315 ms->possible_cpus->cpus[cs->cpu_index].props.node_id); 316 } 317 qemu_fdt_setprop_cell(ms->fdt, nodename, "reg", num); 318 qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", 319 qemu_fdt_alloc_phandle(ms->fdt)); 320 g_free(nodename); 321 } 322 323 /*cpu map */ 324 qemu_fdt_add_subnode(ms->fdt, "/cpus/cpu-map"); 325 326 for (num = smp_cpus - 1; num >= 0; num--) { 327 char *cpu_path = g_strdup_printf("/cpus/cpu@%d", num); 328 char *map_path; 329 330 if (ms->smp.threads > 1) { 331 map_path = g_strdup_printf( 332 "/cpus/cpu-map/socket%d/core%d/thread%d", 333 num / (ms->smp.cores * ms->smp.threads), 334 (num / ms->smp.threads) % ms->smp.cores, 335 num % ms->smp.threads); 336 } else { 337 map_path = g_strdup_printf( 338 "/cpus/cpu-map/socket%d/core%d", 339 num / ms->smp.cores, 340 num % ms->smp.cores); 341 } 342 qemu_fdt_add_path(ms->fdt, map_path); 343 qemu_fdt_setprop_phandle(ms->fdt, map_path, "cpu", cpu_path); 344 345 g_free(map_path); 346 g_free(cpu_path); 347 } 348 } 349 350 static void fdt_add_fw_cfg_node(const LoongArchVirtMachineState *lvms) 351 { 352 char *nodename; 353 hwaddr base = VIRT_FWCFG_BASE; 354 const MachineState *ms = MACHINE(lvms); 355 356 nodename = g_strdup_printf("/fw_cfg@%" PRIx64, base); 357 qemu_fdt_add_subnode(ms->fdt, nodename); 358 qemu_fdt_setprop_string(ms->fdt, nodename, 359 "compatible", "qemu,fw-cfg-mmio"); 360 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 361 2, base, 2, 0x18); 362 qemu_fdt_setprop(ms->fdt, nodename, "dma-coherent", NULL, 0); 363 g_free(nodename); 364 } 365 366 static void fdt_add_pcie_irq_map_node(const LoongArchVirtMachineState *lvms, 367 char *nodename, 368 uint32_t *pch_pic_phandle) 369 { 370 int pin, dev; 371 uint32_t irq_map_stride = 0; 372 uint32_t full_irq_map[GPEX_NUM_IRQS *GPEX_NUM_IRQS * 10] = {}; 373 uint32_t *irq_map = full_irq_map; 374 const MachineState *ms = MACHINE(lvms); 375 376 /* This code creates a standard swizzle of interrupts such that 377 * each device's first interrupt is based on it's PCI_SLOT number. 378 * (See pci_swizzle_map_irq_fn()) 379 * 380 * We only need one entry per interrupt in the table (not one per 381 * possible slot) seeing the interrupt-map-mask will allow the table 382 * to wrap to any number of devices. 383 */ 384 385 for (dev = 0; dev < GPEX_NUM_IRQS; dev++) { 386 int devfn = dev * 0x8; 387 388 for (pin = 0; pin < GPEX_NUM_IRQS; pin++) { 389 int irq_nr = 16 + ((pin + PCI_SLOT(devfn)) % GPEX_NUM_IRQS); 390 int i = 0; 391 392 /* Fill PCI address cells */ 393 irq_map[i] = cpu_to_be32(devfn << 8); 394 i += 3; 395 396 /* Fill PCI Interrupt cells */ 397 irq_map[i] = cpu_to_be32(pin + 1); 398 i += 1; 399 400 /* Fill interrupt controller phandle and cells */ 401 irq_map[i++] = cpu_to_be32(*pch_pic_phandle); 402 irq_map[i++] = cpu_to_be32(irq_nr); 403 404 if (!irq_map_stride) { 405 irq_map_stride = i; 406 } 407 irq_map += irq_map_stride; 408 } 409 } 410 411 412 qemu_fdt_setprop(ms->fdt, nodename, "interrupt-map", full_irq_map, 413 GPEX_NUM_IRQS * GPEX_NUM_IRQS * 414 irq_map_stride * sizeof(uint32_t)); 415 qemu_fdt_setprop_cells(ms->fdt, nodename, "interrupt-map-mask", 416 0x1800, 0, 0, 0x7); 417 } 418 419 static void fdt_add_pcie_node(const LoongArchVirtMachineState *lvms, 420 uint32_t *pch_pic_phandle, 421 uint32_t *pch_msi_phandle) 422 { 423 char *nodename; 424 hwaddr base_mmio = VIRT_PCI_MEM_BASE; 425 hwaddr size_mmio = VIRT_PCI_MEM_SIZE; 426 hwaddr base_pio = VIRT_PCI_IO_BASE; 427 hwaddr size_pio = VIRT_PCI_IO_SIZE; 428 hwaddr base_pcie = VIRT_PCI_CFG_BASE; 429 hwaddr size_pcie = VIRT_PCI_CFG_SIZE; 430 hwaddr base = base_pcie; 431 432 const MachineState *ms = MACHINE(lvms); 433 434 nodename = g_strdup_printf("/pcie@%" PRIx64, base); 435 qemu_fdt_add_subnode(ms->fdt, nodename); 436 qemu_fdt_setprop_string(ms->fdt, nodename, 437 "compatible", "pci-host-ecam-generic"); 438 qemu_fdt_setprop_string(ms->fdt, nodename, "device_type", "pci"); 439 qemu_fdt_setprop_cell(ms->fdt, nodename, "#address-cells", 3); 440 qemu_fdt_setprop_cell(ms->fdt, nodename, "#size-cells", 2); 441 qemu_fdt_setprop_cell(ms->fdt, nodename, "linux,pci-domain", 0); 442 qemu_fdt_setprop_cells(ms->fdt, nodename, "bus-range", 0, 443 PCIE_MMCFG_BUS(VIRT_PCI_CFG_SIZE - 1)); 444 qemu_fdt_setprop(ms->fdt, nodename, "dma-coherent", NULL, 0); 445 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 446 2, base_pcie, 2, size_pcie); 447 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "ranges", 448 1, FDT_PCI_RANGE_IOPORT, 2, VIRT_PCI_IO_OFFSET, 449 2, base_pio, 2, size_pio, 450 1, FDT_PCI_RANGE_MMIO, 2, base_mmio, 451 2, base_mmio, 2, size_mmio); 452 qemu_fdt_setprop_cells(ms->fdt, nodename, "msi-map", 453 0, *pch_msi_phandle, 0, 0x10000); 454 455 fdt_add_pcie_irq_map_node(lvms, nodename, pch_pic_phandle); 456 457 g_free(nodename); 458 } 459 460 static void fdt_add_memory_node(MachineState *ms, 461 uint64_t base, uint64_t size, int node_id) 462 { 463 char *nodename = g_strdup_printf("/memory@%" PRIx64, base); 464 465 qemu_fdt_add_subnode(ms->fdt, nodename); 466 qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0, base, 0, size); 467 qemu_fdt_setprop_string(ms->fdt, nodename, "device_type", "memory"); 468 469 if (ms->numa_state && ms->numa_state->num_nodes) { 470 qemu_fdt_setprop_cell(ms->fdt, nodename, "numa-node-id", node_id); 471 } 472 473 g_free(nodename); 474 } 475 476 static void virt_build_smbios(LoongArchVirtMachineState *lvms) 477 { 478 MachineState *ms = MACHINE(lvms); 479 MachineClass *mc = MACHINE_GET_CLASS(lvms); 480 uint8_t *smbios_tables, *smbios_anchor; 481 size_t smbios_tables_len, smbios_anchor_len; 482 const char *product = "QEMU Virtual Machine"; 483 484 if (!lvms->fw_cfg) { 485 return; 486 } 487 488 smbios_set_defaults("QEMU", product, mc->name, true); 489 490 smbios_get_tables(ms, SMBIOS_ENTRY_POINT_TYPE_64, 491 NULL, 0, 492 &smbios_tables, &smbios_tables_len, 493 &smbios_anchor, &smbios_anchor_len, &error_fatal); 494 495 if (smbios_anchor) { 496 fw_cfg_add_file(lvms->fw_cfg, "etc/smbios/smbios-tables", 497 smbios_tables, smbios_tables_len); 498 fw_cfg_add_file(lvms->fw_cfg, "etc/smbios/smbios-anchor", 499 smbios_anchor, smbios_anchor_len); 500 } 501 } 502 503 static void virt_done(Notifier *notifier, void *data) 504 { 505 LoongArchVirtMachineState *lvms = container_of(notifier, 506 LoongArchVirtMachineState, machine_done); 507 virt_build_smbios(lvms); 508 loongarch_acpi_setup(lvms); 509 } 510 511 static void virt_powerdown_req(Notifier *notifier, void *opaque) 512 { 513 LoongArchVirtMachineState *s; 514 515 s = container_of(notifier, LoongArchVirtMachineState, powerdown_notifier); 516 acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS); 517 } 518 519 static void memmap_add_entry(uint64_t address, uint64_t length, uint32_t type) 520 { 521 /* Ensure there are no duplicate entries. */ 522 for (unsigned i = 0; i < memmap_entries; i++) { 523 assert(memmap_table[i].address != address); 524 } 525 526 memmap_table = g_renew(struct memmap_entry, memmap_table, 527 memmap_entries + 1); 528 memmap_table[memmap_entries].address = cpu_to_le64(address); 529 memmap_table[memmap_entries].length = cpu_to_le64(length); 530 memmap_table[memmap_entries].type = cpu_to_le32(type); 531 memmap_table[memmap_entries].reserved = 0; 532 memmap_entries++; 533 } 534 535 static DeviceState *create_acpi_ged(DeviceState *pch_pic, 536 LoongArchVirtMachineState *lvms) 537 { 538 DeviceState *dev; 539 MachineState *ms = MACHINE(lvms); 540 uint32_t event = ACPI_GED_PWR_DOWN_EVT; 541 542 if (ms->ram_slots) { 543 event |= ACPI_GED_MEM_HOTPLUG_EVT; 544 } 545 dev = qdev_new(TYPE_ACPI_GED); 546 qdev_prop_set_uint32(dev, "ged-event", event); 547 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 548 549 /* ged event */ 550 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, VIRT_GED_EVT_ADDR); 551 /* memory hotplug */ 552 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, VIRT_GED_MEM_ADDR); 553 /* ged regs used for reset and power down */ 554 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, VIRT_GED_REG_ADDR); 555 556 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, 557 qdev_get_gpio_in(pch_pic, VIRT_SCI_IRQ - VIRT_GSI_BASE)); 558 return dev; 559 } 560 561 static DeviceState *create_platform_bus(DeviceState *pch_pic) 562 { 563 DeviceState *dev; 564 SysBusDevice *sysbus; 565 int i, irq; 566 MemoryRegion *sysmem = get_system_memory(); 567 568 dev = qdev_new(TYPE_PLATFORM_BUS_DEVICE); 569 dev->id = g_strdup(TYPE_PLATFORM_BUS_DEVICE); 570 qdev_prop_set_uint32(dev, "num_irqs", VIRT_PLATFORM_BUS_NUM_IRQS); 571 qdev_prop_set_uint32(dev, "mmio_size", VIRT_PLATFORM_BUS_SIZE); 572 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 573 574 sysbus = SYS_BUS_DEVICE(dev); 575 for (i = 0; i < VIRT_PLATFORM_BUS_NUM_IRQS; i++) { 576 irq = VIRT_PLATFORM_BUS_IRQ - VIRT_GSI_BASE + i; 577 sysbus_connect_irq(sysbus, i, qdev_get_gpio_in(pch_pic, irq)); 578 } 579 580 memory_region_add_subregion(sysmem, 581 VIRT_PLATFORM_BUS_BASEADDRESS, 582 sysbus_mmio_get_region(sysbus, 0)); 583 return dev; 584 } 585 586 static void virt_devices_init(DeviceState *pch_pic, 587 LoongArchVirtMachineState *lvms, 588 uint32_t *pch_pic_phandle, 589 uint32_t *pch_msi_phandle) 590 { 591 MachineClass *mc = MACHINE_GET_CLASS(lvms); 592 DeviceState *gpex_dev; 593 SysBusDevice *d; 594 PCIBus *pci_bus; 595 MemoryRegion *ecam_alias, *ecam_reg, *pio_alias, *pio_reg; 596 MemoryRegion *mmio_alias, *mmio_reg; 597 int i; 598 599 gpex_dev = qdev_new(TYPE_GPEX_HOST); 600 d = SYS_BUS_DEVICE(gpex_dev); 601 sysbus_realize_and_unref(d, &error_fatal); 602 pci_bus = PCI_HOST_BRIDGE(gpex_dev)->bus; 603 lvms->pci_bus = pci_bus; 604 605 /* Map only part size_ecam bytes of ECAM space */ 606 ecam_alias = g_new0(MemoryRegion, 1); 607 ecam_reg = sysbus_mmio_get_region(d, 0); 608 memory_region_init_alias(ecam_alias, OBJECT(gpex_dev), "pcie-ecam", 609 ecam_reg, 0, VIRT_PCI_CFG_SIZE); 610 memory_region_add_subregion(get_system_memory(), VIRT_PCI_CFG_BASE, 611 ecam_alias); 612 613 /* Map PCI mem space */ 614 mmio_alias = g_new0(MemoryRegion, 1); 615 mmio_reg = sysbus_mmio_get_region(d, 1); 616 memory_region_init_alias(mmio_alias, OBJECT(gpex_dev), "pcie-mmio", 617 mmio_reg, VIRT_PCI_MEM_BASE, VIRT_PCI_MEM_SIZE); 618 memory_region_add_subregion(get_system_memory(), VIRT_PCI_MEM_BASE, 619 mmio_alias); 620 621 /* Map PCI IO port space. */ 622 pio_alias = g_new0(MemoryRegion, 1); 623 pio_reg = sysbus_mmio_get_region(d, 2); 624 memory_region_init_alias(pio_alias, OBJECT(gpex_dev), "pcie-io", pio_reg, 625 VIRT_PCI_IO_OFFSET, VIRT_PCI_IO_SIZE); 626 memory_region_add_subregion(get_system_memory(), VIRT_PCI_IO_BASE, 627 pio_alias); 628 629 for (i = 0; i < GPEX_NUM_IRQS; i++) { 630 sysbus_connect_irq(d, i, 631 qdev_get_gpio_in(pch_pic, 16 + i)); 632 gpex_set_irq_num(GPEX_HOST(gpex_dev), i, 16 + i); 633 } 634 635 /* Add pcie node */ 636 fdt_add_pcie_node(lvms, pch_pic_phandle, pch_msi_phandle); 637 638 serial_mm_init(get_system_memory(), VIRT_UART_BASE, 0, 639 qdev_get_gpio_in(pch_pic, 640 VIRT_UART_IRQ - VIRT_GSI_BASE), 641 115200, serial_hd(0), DEVICE_LITTLE_ENDIAN); 642 fdt_add_uart_node(lvms, pch_pic_phandle); 643 644 /* Network init */ 645 pci_init_nic_devices(pci_bus, mc->default_nic); 646 647 /* 648 * There are some invalid guest memory access. 649 * Create some unimplemented devices to emulate this. 650 */ 651 create_unimplemented_device("pci-dma-cfg", 0x1001041c, 0x4); 652 sysbus_create_simple("ls7a_rtc", VIRT_RTC_REG_BASE, 653 qdev_get_gpio_in(pch_pic, 654 VIRT_RTC_IRQ - VIRT_GSI_BASE)); 655 fdt_add_rtc_node(lvms, pch_pic_phandle); 656 657 /* acpi ged */ 658 lvms->acpi_ged = create_acpi_ged(pch_pic, lvms); 659 /* platform bus */ 660 lvms->platform_bus_dev = create_platform_bus(pch_pic); 661 } 662 663 static void virt_irq_init(LoongArchVirtMachineState *lvms) 664 { 665 MachineState *ms = MACHINE(lvms); 666 DeviceState *pch_pic, *pch_msi, *cpudev; 667 DeviceState *ipi, *extioi; 668 SysBusDevice *d; 669 LoongArchCPU *lacpu; 670 CPULoongArchState *env; 671 CPUState *cpu_state; 672 int cpu, pin, i, start, num; 673 uint32_t cpuintc_phandle, eiointc_phandle, pch_pic_phandle, pch_msi_phandle; 674 675 /* 676 * The connection of interrupts: 677 * +-----+ +---------+ +-------+ 678 * | IPI |--> | CPUINTC | <-- | Timer | 679 * +-----+ +---------+ +-------+ 680 * ^ 681 * | 682 * +---------+ 683 * | EIOINTC | 684 * +---------+ 685 * ^ ^ 686 * | | 687 * +---------+ +---------+ 688 * | PCH-PIC | | PCH-MSI | 689 * +---------+ +---------+ 690 * ^ ^ ^ 691 * | | | 692 * +--------+ +---------+ +---------+ 693 * | UARTs | | Devices | | Devices | 694 * +--------+ +---------+ +---------+ 695 */ 696 697 /* Create IPI device */ 698 ipi = qdev_new(TYPE_LOONGSON_IPI); 699 qdev_prop_set_uint32(ipi, "num-cpu", ms->smp.cpus); 700 sysbus_realize_and_unref(SYS_BUS_DEVICE(ipi), &error_fatal); 701 702 /* IPI iocsr memory region */ 703 memory_region_add_subregion(&lvms->system_iocsr, SMP_IPI_MAILBOX, 704 sysbus_mmio_get_region(SYS_BUS_DEVICE(ipi), 0)); 705 memory_region_add_subregion(&lvms->system_iocsr, MAIL_SEND_ADDR, 706 sysbus_mmio_get_region(SYS_BUS_DEVICE(ipi), 1)); 707 708 /* Add cpu interrupt-controller */ 709 fdt_add_cpuic_node(lvms, &cpuintc_phandle); 710 711 for (cpu = 0; cpu < ms->smp.cpus; cpu++) { 712 cpu_state = qemu_get_cpu(cpu); 713 cpudev = DEVICE(cpu_state); 714 lacpu = LOONGARCH_CPU(cpu_state); 715 env = &(lacpu->env); 716 env->address_space_iocsr = &lvms->as_iocsr; 717 718 /* connect ipi irq to cpu irq */ 719 qdev_connect_gpio_out(ipi, cpu, qdev_get_gpio_in(cpudev, IRQ_IPI)); 720 env->ipistate = ipi; 721 } 722 723 /* Create EXTIOI device */ 724 extioi = qdev_new(TYPE_LOONGARCH_EXTIOI); 725 qdev_prop_set_uint32(extioi, "num-cpu", ms->smp.cpus); 726 sysbus_realize_and_unref(SYS_BUS_DEVICE(extioi), &error_fatal); 727 memory_region_add_subregion(&lvms->system_iocsr, APIC_BASE, 728 sysbus_mmio_get_region(SYS_BUS_DEVICE(extioi), 0)); 729 730 /* 731 * connect ext irq to the cpu irq 732 * cpu_pin[9:2] <= intc_pin[7:0] 733 */ 734 for (cpu = 0; cpu < ms->smp.cpus; cpu++) { 735 cpudev = DEVICE(qemu_get_cpu(cpu)); 736 for (pin = 0; pin < LS3A_INTC_IP; pin++) { 737 qdev_connect_gpio_out(extioi, (cpu * 8 + pin), 738 qdev_get_gpio_in(cpudev, pin + 2)); 739 } 740 } 741 742 /* Add Extend I/O Interrupt Controller node */ 743 fdt_add_eiointc_node(lvms, &cpuintc_phandle, &eiointc_phandle); 744 745 pch_pic = qdev_new(TYPE_LOONGARCH_PCH_PIC); 746 num = VIRT_PCH_PIC_IRQ_NUM; 747 qdev_prop_set_uint32(pch_pic, "pch_pic_irq_num", num); 748 d = SYS_BUS_DEVICE(pch_pic); 749 sysbus_realize_and_unref(d, &error_fatal); 750 memory_region_add_subregion(get_system_memory(), VIRT_IOAPIC_REG_BASE, 751 sysbus_mmio_get_region(d, 0)); 752 memory_region_add_subregion(get_system_memory(), 753 VIRT_IOAPIC_REG_BASE + PCH_PIC_ROUTE_ENTRY_OFFSET, 754 sysbus_mmio_get_region(d, 1)); 755 memory_region_add_subregion(get_system_memory(), 756 VIRT_IOAPIC_REG_BASE + PCH_PIC_INT_STATUS_LO, 757 sysbus_mmio_get_region(d, 2)); 758 759 /* Connect pch_pic irqs to extioi */ 760 for (i = 0; i < num; i++) { 761 qdev_connect_gpio_out(DEVICE(d), i, qdev_get_gpio_in(extioi, i)); 762 } 763 764 /* Add PCH PIC node */ 765 fdt_add_pch_pic_node(lvms, &eiointc_phandle, &pch_pic_phandle); 766 767 pch_msi = qdev_new(TYPE_LOONGARCH_PCH_MSI); 768 start = num; 769 num = EXTIOI_IRQS - start; 770 qdev_prop_set_uint32(pch_msi, "msi_irq_base", start); 771 qdev_prop_set_uint32(pch_msi, "msi_irq_num", num); 772 d = SYS_BUS_DEVICE(pch_msi); 773 sysbus_realize_and_unref(d, &error_fatal); 774 sysbus_mmio_map(d, 0, VIRT_PCH_MSI_ADDR_LOW); 775 for (i = 0; i < num; i++) { 776 /* Connect pch_msi irqs to extioi */ 777 qdev_connect_gpio_out(DEVICE(d), i, 778 qdev_get_gpio_in(extioi, i + start)); 779 } 780 781 /* Add PCH MSI node */ 782 fdt_add_pch_msi_node(lvms, &eiointc_phandle, &pch_msi_phandle); 783 784 virt_devices_init(pch_pic, lvms, &pch_pic_phandle, &pch_msi_phandle); 785 } 786 787 static void virt_firmware_init(LoongArchVirtMachineState *lvms) 788 { 789 char *filename = MACHINE(lvms)->firmware; 790 char *bios_name = NULL; 791 int bios_size, i; 792 BlockBackend *pflash_blk0; 793 MemoryRegion *mr; 794 795 lvms->bios_loaded = false; 796 797 /* Map legacy -drive if=pflash to machine properties */ 798 for (i = 0; i < ARRAY_SIZE(lvms->flash); i++) { 799 pflash_cfi01_legacy_drive(lvms->flash[i], 800 drive_get(IF_PFLASH, 0, i)); 801 } 802 803 virt_flash_map(lvms, get_system_memory()); 804 805 pflash_blk0 = pflash_cfi01_get_blk(lvms->flash[0]); 806 807 if (pflash_blk0) { 808 if (filename) { 809 error_report("cannot use both '-bios' and '-drive if=pflash'" 810 "options at once"); 811 exit(1); 812 } 813 lvms->bios_loaded = true; 814 return; 815 } 816 817 if (filename) { 818 bios_name = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename); 819 if (!bios_name) { 820 error_report("Could not find ROM image '%s'", filename); 821 exit(1); 822 } 823 824 mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(lvms->flash[0]), 0); 825 bios_size = load_image_mr(bios_name, mr); 826 if (bios_size < 0) { 827 error_report("Could not load ROM image '%s'", bios_name); 828 exit(1); 829 } 830 g_free(bios_name); 831 lvms->bios_loaded = true; 832 } 833 } 834 835 836 static void virt_iocsr_misc_write(void *opaque, hwaddr addr, 837 uint64_t val, unsigned size) 838 { 839 } 840 841 static uint64_t virt_iocsr_misc_read(void *opaque, hwaddr addr, unsigned size) 842 { 843 switch (addr) { 844 case VERSION_REG: 845 return 0x11ULL; 846 case FEATURE_REG: 847 return 1ULL << IOCSRF_MSI | 1ULL << IOCSRF_EXTIOI | 848 1ULL << IOCSRF_CSRIPI; 849 case VENDOR_REG: 850 return 0x6e6f73676e6f6f4cULL; /* "Loongson" */ 851 case CPUNAME_REG: 852 return 0x303030354133ULL; /* "3A5000" */ 853 case MISC_FUNC_REG: 854 return 1ULL << IOCSRM_EXTIOI_EN; 855 } 856 return 0ULL; 857 } 858 859 static const MemoryRegionOps virt_iocsr_misc_ops = { 860 .read = virt_iocsr_misc_read, 861 .write = virt_iocsr_misc_write, 862 .endianness = DEVICE_LITTLE_ENDIAN, 863 .valid = { 864 .min_access_size = 4, 865 .max_access_size = 8, 866 }, 867 .impl = { 868 .min_access_size = 8, 869 .max_access_size = 8, 870 }, 871 }; 872 873 static void virt_init(MachineState *machine) 874 { 875 LoongArchCPU *lacpu; 876 const char *cpu_model = machine->cpu_type; 877 ram_addr_t offset = 0; 878 ram_addr_t ram_size = machine->ram_size; 879 uint64_t highram_size = 0, phyAddr = 0; 880 MemoryRegion *address_space_mem = get_system_memory(); 881 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(machine); 882 int nb_numa_nodes = machine->numa_state->num_nodes; 883 NodeInfo *numa_info = machine->numa_state->nodes; 884 int i; 885 const CPUArchIdList *possible_cpus; 886 MachineClass *mc = MACHINE_GET_CLASS(machine); 887 CPUState *cpu; 888 889 if (!cpu_model) { 890 cpu_model = LOONGARCH_CPU_TYPE_NAME("la464"); 891 } 892 893 if (ram_size < 1 * GiB) { 894 error_report("ram_size must be greater than 1G."); 895 exit(1); 896 } 897 create_fdt(lvms); 898 899 /* Create IOCSR space */ 900 memory_region_init_io(&lvms->system_iocsr, OBJECT(machine), NULL, 901 machine, "iocsr", UINT64_MAX); 902 address_space_init(&lvms->as_iocsr, &lvms->system_iocsr, "IOCSR"); 903 memory_region_init_io(&lvms->iocsr_mem, OBJECT(machine), 904 &virt_iocsr_misc_ops, 905 machine, "iocsr_misc", 0x428); 906 memory_region_add_subregion(&lvms->system_iocsr, 0, &lvms->iocsr_mem); 907 908 /* Init CPUs */ 909 possible_cpus = mc->possible_cpu_arch_ids(machine); 910 for (i = 0; i < possible_cpus->len; i++) { 911 cpu = cpu_create(machine->cpu_type); 912 cpu->cpu_index = i; 913 machine->possible_cpus->cpus[i].cpu = cpu; 914 lacpu = LOONGARCH_CPU(cpu); 915 lacpu->phy_id = machine->possible_cpus->cpus[i].arch_id; 916 } 917 fdt_add_cpu_nodes(lvms); 918 919 /* Node0 memory */ 920 memmap_add_entry(VIRT_LOWMEM_BASE, VIRT_LOWMEM_SIZE, 1); 921 fdt_add_memory_node(machine, VIRT_LOWMEM_BASE, VIRT_LOWMEM_SIZE, 0); 922 memory_region_init_alias(&lvms->lowmem, NULL, "loongarch.node0.lowram", 923 machine->ram, offset, VIRT_LOWMEM_SIZE); 924 memory_region_add_subregion(address_space_mem, phyAddr, &lvms->lowmem); 925 926 offset += VIRT_LOWMEM_SIZE; 927 if (nb_numa_nodes > 0) { 928 assert(numa_info[0].node_mem > VIRT_LOWMEM_SIZE); 929 highram_size = numa_info[0].node_mem - VIRT_LOWMEM_SIZE; 930 } else { 931 highram_size = ram_size - VIRT_LOWMEM_SIZE; 932 } 933 phyAddr = VIRT_HIGHMEM_BASE; 934 memmap_add_entry(phyAddr, highram_size, 1); 935 fdt_add_memory_node(machine, phyAddr, highram_size, 0); 936 memory_region_init_alias(&lvms->highmem, NULL, "loongarch.node0.highram", 937 machine->ram, offset, highram_size); 938 memory_region_add_subregion(address_space_mem, phyAddr, &lvms->highmem); 939 940 /* Node1 - Nodemax memory */ 941 offset += highram_size; 942 phyAddr += highram_size; 943 944 for (i = 1; i < nb_numa_nodes; i++) { 945 MemoryRegion *nodemem = g_new(MemoryRegion, 1); 946 g_autofree char *ramName = g_strdup_printf("loongarch.node%d.ram", i); 947 memory_region_init_alias(nodemem, NULL, ramName, machine->ram, 948 offset, numa_info[i].node_mem); 949 memory_region_add_subregion(address_space_mem, phyAddr, nodemem); 950 memmap_add_entry(phyAddr, numa_info[i].node_mem, 1); 951 fdt_add_memory_node(machine, phyAddr, numa_info[i].node_mem, i); 952 offset += numa_info[i].node_mem; 953 phyAddr += numa_info[i].node_mem; 954 } 955 956 /* initialize device memory address space */ 957 if (machine->ram_size < machine->maxram_size) { 958 ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size; 959 hwaddr device_mem_base; 960 961 if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) { 962 error_report("unsupported amount of memory slots: %"PRIu64, 963 machine->ram_slots); 964 exit(EXIT_FAILURE); 965 } 966 967 if (QEMU_ALIGN_UP(machine->maxram_size, 968 TARGET_PAGE_SIZE) != machine->maxram_size) { 969 error_report("maximum memory size must by aligned to multiple of " 970 "%d bytes", TARGET_PAGE_SIZE); 971 exit(EXIT_FAILURE); 972 } 973 /* device memory base is the top of high memory address. */ 974 device_mem_base = ROUND_UP(VIRT_HIGHMEM_BASE + highram_size, 1 * GiB); 975 machine_memory_devices_init(machine, device_mem_base, device_mem_size); 976 } 977 978 /* load the BIOS image. */ 979 virt_firmware_init(lvms); 980 981 /* fw_cfg init */ 982 lvms->fw_cfg = virt_fw_cfg_init(ram_size, machine); 983 rom_set_fw(lvms->fw_cfg); 984 if (lvms->fw_cfg != NULL) { 985 fw_cfg_add_file(lvms->fw_cfg, "etc/memmap", 986 memmap_table, 987 sizeof(struct memmap_entry) * (memmap_entries)); 988 } 989 fdt_add_fw_cfg_node(lvms); 990 fdt_add_flash_node(lvms); 991 992 /* Initialize the IO interrupt subsystem */ 993 virt_irq_init(lvms); 994 platform_bus_add_all_fdt_nodes(machine->fdt, "/platic", 995 VIRT_PLATFORM_BUS_BASEADDRESS, 996 VIRT_PLATFORM_BUS_SIZE, 997 VIRT_PLATFORM_BUS_IRQ); 998 lvms->machine_done.notify = virt_done; 999 qemu_add_machine_init_done_notifier(&lvms->machine_done); 1000 /* connect powerdown request */ 1001 lvms->powerdown_notifier.notify = virt_powerdown_req; 1002 qemu_register_powerdown_notifier(&lvms->powerdown_notifier); 1003 1004 /* 1005 * Since lowmem region starts from 0 and Linux kernel legacy start address 1006 * at 2 MiB, FDT base address is located at 1 MiB to avoid NULL pointer 1007 * access. FDT size limit with 1 MiB. 1008 * Put the FDT into the memory map as a ROM image: this will ensure 1009 * the FDT is copied again upon reset, even if addr points into RAM. 1010 */ 1011 qemu_fdt_dumpdtb(machine->fdt, lvms->fdt_size); 1012 rom_add_blob_fixed_as("fdt", machine->fdt, lvms->fdt_size, FDT_BASE, 1013 &address_space_memory); 1014 qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds, 1015 rom_ptr_for_as(&address_space_memory, FDT_BASE, lvms->fdt_size)); 1016 1017 lvms->bootinfo.ram_size = ram_size; 1018 loongarch_load_kernel(machine, &lvms->bootinfo); 1019 } 1020 1021 static void virt_get_acpi(Object *obj, Visitor *v, const char *name, 1022 void *opaque, Error **errp) 1023 { 1024 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(obj); 1025 OnOffAuto acpi = lvms->acpi; 1026 1027 visit_type_OnOffAuto(v, name, &acpi, errp); 1028 } 1029 1030 static void virt_set_acpi(Object *obj, Visitor *v, const char *name, 1031 void *opaque, Error **errp) 1032 { 1033 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(obj); 1034 1035 visit_type_OnOffAuto(v, name, &lvms->acpi, errp); 1036 } 1037 1038 static void virt_initfn(Object *obj) 1039 { 1040 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(obj); 1041 1042 lvms->acpi = ON_OFF_AUTO_AUTO; 1043 lvms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6); 1044 lvms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8); 1045 virt_flash_create(lvms); 1046 } 1047 1048 static bool memhp_type_supported(DeviceState *dev) 1049 { 1050 /* we only support pc dimm now */ 1051 return object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) && 1052 !object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); 1053 } 1054 1055 static void virt_mem_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, 1056 Error **errp) 1057 { 1058 pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), NULL, errp); 1059 } 1060 1061 static void virt_device_pre_plug(HotplugHandler *hotplug_dev, 1062 DeviceState *dev, Error **errp) 1063 { 1064 if (memhp_type_supported(dev)) { 1065 virt_mem_pre_plug(hotplug_dev, dev, errp); 1066 } 1067 } 1068 1069 static void virt_mem_unplug_request(HotplugHandler *hotplug_dev, 1070 DeviceState *dev, Error **errp) 1071 { 1072 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(hotplug_dev); 1073 1074 /* the acpi ged is always exist */ 1075 hotplug_handler_unplug_request(HOTPLUG_HANDLER(lvms->acpi_ged), dev, 1076 errp); 1077 } 1078 1079 static void virt_device_unplug_request(HotplugHandler *hotplug_dev, 1080 DeviceState *dev, Error **errp) 1081 { 1082 if (memhp_type_supported(dev)) { 1083 virt_mem_unplug_request(hotplug_dev, dev, errp); 1084 } 1085 } 1086 1087 static void virt_mem_unplug(HotplugHandler *hotplug_dev, 1088 DeviceState *dev, Error **errp) 1089 { 1090 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(hotplug_dev); 1091 1092 hotplug_handler_unplug(HOTPLUG_HANDLER(lvms->acpi_ged), dev, errp); 1093 pc_dimm_unplug(PC_DIMM(dev), MACHINE(lvms)); 1094 qdev_unrealize(dev); 1095 } 1096 1097 static void virt_device_unplug(HotplugHandler *hotplug_dev, 1098 DeviceState *dev, Error **errp) 1099 { 1100 if (memhp_type_supported(dev)) { 1101 virt_mem_unplug(hotplug_dev, dev, errp); 1102 } 1103 } 1104 1105 static void virt_mem_plug(HotplugHandler *hotplug_dev, 1106 DeviceState *dev, Error **errp) 1107 { 1108 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(hotplug_dev); 1109 1110 pc_dimm_plug(PC_DIMM(dev), MACHINE(lvms)); 1111 hotplug_handler_plug(HOTPLUG_HANDLER(lvms->acpi_ged), 1112 dev, &error_abort); 1113 } 1114 1115 static void virt_device_plug_cb(HotplugHandler *hotplug_dev, 1116 DeviceState *dev, Error **errp) 1117 { 1118 LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(hotplug_dev); 1119 MachineClass *mc = MACHINE_GET_CLASS(lvms); 1120 PlatformBusDevice *pbus; 1121 1122 if (device_is_dynamic_sysbus(mc, dev)) { 1123 if (lvms->platform_bus_dev) { 1124 pbus = PLATFORM_BUS_DEVICE(lvms->platform_bus_dev); 1125 platform_bus_link_device(pbus, SYS_BUS_DEVICE(dev)); 1126 } 1127 } else if (memhp_type_supported(dev)) { 1128 virt_mem_plug(hotplug_dev, dev, errp); 1129 } 1130 } 1131 1132 static HotplugHandler *virt_get_hotplug_handler(MachineState *machine, 1133 DeviceState *dev) 1134 { 1135 MachineClass *mc = MACHINE_GET_CLASS(machine); 1136 1137 if (device_is_dynamic_sysbus(mc, dev) || 1138 memhp_type_supported(dev)) { 1139 return HOTPLUG_HANDLER(machine); 1140 } 1141 return NULL; 1142 } 1143 1144 static const CPUArchIdList *virt_possible_cpu_arch_ids(MachineState *ms) 1145 { 1146 int n; 1147 unsigned int max_cpus = ms->smp.max_cpus; 1148 1149 if (ms->possible_cpus) { 1150 assert(ms->possible_cpus->len == max_cpus); 1151 return ms->possible_cpus; 1152 } 1153 1154 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 1155 sizeof(CPUArchId) * max_cpus); 1156 ms->possible_cpus->len = max_cpus; 1157 for (n = 0; n < ms->possible_cpus->len; n++) { 1158 ms->possible_cpus->cpus[n].type = ms->cpu_type; 1159 ms->possible_cpus->cpus[n].arch_id = n; 1160 1161 ms->possible_cpus->cpus[n].props.has_socket_id = true; 1162 ms->possible_cpus->cpus[n].props.socket_id = 1163 n / (ms->smp.cores * ms->smp.threads); 1164 ms->possible_cpus->cpus[n].props.has_core_id = true; 1165 ms->possible_cpus->cpus[n].props.core_id = 1166 n / ms->smp.threads % ms->smp.cores; 1167 ms->possible_cpus->cpus[n].props.has_thread_id = true; 1168 ms->possible_cpus->cpus[n].props.thread_id = n % ms->smp.threads; 1169 } 1170 return ms->possible_cpus; 1171 } 1172 1173 static CpuInstanceProperties virt_cpu_index_to_props(MachineState *ms, 1174 unsigned cpu_index) 1175 { 1176 MachineClass *mc = MACHINE_GET_CLASS(ms); 1177 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 1178 1179 assert(cpu_index < possible_cpus->len); 1180 return possible_cpus->cpus[cpu_index].props; 1181 } 1182 1183 static int64_t virt_get_default_cpu_node_id(const MachineState *ms, int idx) 1184 { 1185 int64_t nidx = 0; 1186 1187 if (ms->numa_state->num_nodes) { 1188 nidx = idx / (ms->smp.cpus / ms->numa_state->num_nodes); 1189 if (ms->numa_state->num_nodes <= nidx) { 1190 nidx = ms->numa_state->num_nodes - 1; 1191 } 1192 } 1193 return nidx; 1194 } 1195 1196 static void virt_class_init(ObjectClass *oc, void *data) 1197 { 1198 MachineClass *mc = MACHINE_CLASS(oc); 1199 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 1200 1201 mc->init = virt_init; 1202 mc->default_ram_size = 1 * GiB; 1203 mc->default_cpu_type = LOONGARCH_CPU_TYPE_NAME("la464"); 1204 mc->default_ram_id = "loongarch.ram"; 1205 mc->max_cpus = LOONGARCH_MAX_CPUS; 1206 mc->is_default = 1; 1207 mc->default_kernel_irqchip_split = false; 1208 mc->block_default_type = IF_VIRTIO; 1209 mc->default_boot_order = "c"; 1210 mc->no_cdrom = 1; 1211 mc->possible_cpu_arch_ids = virt_possible_cpu_arch_ids; 1212 mc->cpu_index_to_instance_props = virt_cpu_index_to_props; 1213 mc->get_default_cpu_node_id = virt_get_default_cpu_node_id; 1214 mc->numa_mem_supported = true; 1215 mc->auto_enable_numa_with_memhp = true; 1216 mc->auto_enable_numa_with_memdev = true; 1217 mc->get_hotplug_handler = virt_get_hotplug_handler; 1218 mc->default_nic = "virtio-net-pci"; 1219 hc->plug = virt_device_plug_cb; 1220 hc->pre_plug = virt_device_pre_plug; 1221 hc->unplug_request = virt_device_unplug_request; 1222 hc->unplug = virt_device_unplug; 1223 1224 object_class_property_add(oc, "acpi", "OnOffAuto", 1225 virt_get_acpi, virt_set_acpi, 1226 NULL, NULL); 1227 object_class_property_set_description(oc, "acpi", 1228 "Enable ACPI"); 1229 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); 1230 #ifdef CONFIG_TPM 1231 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); 1232 #endif 1233 } 1234 1235 static const TypeInfo virt_machine_types[] = { 1236 { 1237 .name = TYPE_LOONGARCH_VIRT_MACHINE, 1238 .parent = TYPE_MACHINE, 1239 .instance_size = sizeof(LoongArchVirtMachineState), 1240 .class_init = virt_class_init, 1241 .instance_init = virt_initfn, 1242 .interfaces = (InterfaceInfo[]) { 1243 { TYPE_HOTPLUG_HANDLER }, 1244 { } 1245 }, 1246 } 1247 }; 1248 1249 DEFINE_TYPES(virt_machine_types) 1250