1 /* 2 * QEMU PowerPC PowerNV machine model 3 * 4 * Copyright (c) 2016, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qemu-common.h" 22 #include "qemu/datadir.h" 23 #include "qemu/units.h" 24 #include "qemu/cutils.h" 25 #include "qapi/error.h" 26 #include "sysemu/qtest.h" 27 #include "sysemu/sysemu.h" 28 #include "sysemu/numa.h" 29 #include "sysemu/reset.h" 30 #include "sysemu/runstate.h" 31 #include "sysemu/cpus.h" 32 #include "sysemu/device_tree.h" 33 #include "sysemu/hw_accel.h" 34 #include "target/ppc/cpu.h" 35 #include "hw/ppc/fdt.h" 36 #include "hw/ppc/ppc.h" 37 #include "hw/ppc/pnv.h" 38 #include "hw/ppc/pnv_core.h" 39 #include "hw/loader.h" 40 #include "hw/nmi.h" 41 #include "exec/address-spaces.h" 42 #include "qapi/visitor.h" 43 #include "monitor/monitor.h" 44 #include "hw/intc/intc.h" 45 #include "hw/ipmi/ipmi.h" 46 #include "target/ppc/mmu-hash64.h" 47 #include "hw/pci/msi.h" 48 49 #include "hw/ppc/xics.h" 50 #include "hw/qdev-properties.h" 51 #include "hw/ppc/pnv_xscom.h" 52 #include "hw/ppc/pnv_pnor.h" 53 54 #include "hw/isa/isa.h" 55 #include "hw/boards.h" 56 #include "hw/char/serial.h" 57 #include "hw/rtc/mc146818rtc.h" 58 59 #include <libfdt.h> 60 61 #define FDT_MAX_SIZE (1 * MiB) 62 63 #define FW_FILE_NAME "skiboot.lid" 64 #define FW_LOAD_ADDR 0x0 65 #define FW_MAX_SIZE (16 * MiB) 66 67 #define KERNEL_LOAD_ADDR 0x20000000 68 #define KERNEL_MAX_SIZE (128 * MiB) 69 #define INITRD_LOAD_ADDR 0x28000000 70 #define INITRD_MAX_SIZE (128 * MiB) 71 72 static const char *pnv_chip_core_typename(const PnvChip *o) 73 { 74 const char *chip_type = object_class_get_name(object_get_class(OBJECT(o))); 75 int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX); 76 char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type); 77 const char *core_type = object_class_get_name(object_class_by_name(s)); 78 g_free(s); 79 return core_type; 80 } 81 82 /* 83 * On Power Systems E880 (POWER8), the max cpus (threads) should be : 84 * 4 * 4 sockets * 12 cores * 8 threads = 1536 85 * Let's make it 2^11 86 */ 87 #define MAX_CPUS 2048 88 89 /* 90 * Memory nodes are created by hostboot, one for each range of memory 91 * that has a different "affinity". In practice, it means one range 92 * per chip. 93 */ 94 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size) 95 { 96 char *mem_name; 97 uint64_t mem_reg_property[2]; 98 int off; 99 100 mem_reg_property[0] = cpu_to_be64(start); 101 mem_reg_property[1] = cpu_to_be64(size); 102 103 mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start); 104 off = fdt_add_subnode(fdt, 0, mem_name); 105 g_free(mem_name); 106 107 _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 108 _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 109 sizeof(mem_reg_property)))); 110 _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id))); 111 } 112 113 static int get_cpus_node(void *fdt) 114 { 115 int cpus_offset = fdt_path_offset(fdt, "/cpus"); 116 117 if (cpus_offset < 0) { 118 cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); 119 if (cpus_offset) { 120 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); 121 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); 122 } 123 } 124 _FDT(cpus_offset); 125 return cpus_offset; 126 } 127 128 /* 129 * The PowerNV cores (and threads) need to use real HW ids and not an 130 * incremental index like it has been done on other platforms. This HW 131 * id is stored in the CPU PIR, it is used to create cpu nodes in the 132 * device tree, used in XSCOM to address cores and in interrupt 133 * servers. 134 */ 135 static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) 136 { 137 PowerPCCPU *cpu = pc->threads[0]; 138 CPUState *cs = CPU(cpu); 139 DeviceClass *dc = DEVICE_GET_CLASS(cs); 140 int smt_threads = CPU_CORE(pc)->nr_threads; 141 CPUPPCState *env = &cpu->env; 142 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 143 uint32_t servers_prop[smt_threads]; 144 int i; 145 uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 146 0xffffffff, 0xffffffff}; 147 uint32_t tbfreq = PNV_TIMEBASE_FREQ; 148 uint32_t cpufreq = 1000000000; 149 uint32_t page_sizes_prop[64]; 150 size_t page_sizes_prop_size; 151 const uint8_t pa_features[] = { 24, 0, 152 0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0, 153 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 154 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 155 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 }; 156 int offset; 157 char *nodename; 158 int cpus_offset = get_cpus_node(fdt); 159 160 nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir); 161 offset = fdt_add_subnode(fdt, cpus_offset, nodename); 162 _FDT(offset); 163 g_free(nodename); 164 165 _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id))); 166 167 _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir))); 168 _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir))); 169 _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); 170 171 _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); 172 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", 173 env->dcache_line_size))); 174 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", 175 env->dcache_line_size))); 176 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", 177 env->icache_line_size))); 178 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", 179 env->icache_line_size))); 180 181 if (pcc->l1_dcache_size) { 182 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", 183 pcc->l1_dcache_size))); 184 } else { 185 warn_report("Unknown L1 dcache size for cpu"); 186 } 187 if (pcc->l1_icache_size) { 188 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", 189 pcc->l1_icache_size))); 190 } else { 191 warn_report("Unknown L1 icache size for cpu"); 192 } 193 194 _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); 195 _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); 196 _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", 197 cpu->hash64_opts->slb_size))); 198 _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); 199 _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); 200 201 if (env->spr_cb[SPR_PURR].oea_read) { 202 _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); 203 } 204 205 if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { 206 _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", 207 segs, sizeof(segs)))); 208 } 209 210 /* 211 * Advertise VMX/VSX (vector extensions) if available 212 * 0 / no property == no vector extensions 213 * 1 == VMX / Altivec available 214 * 2 == VSX available 215 */ 216 if (env->insns_flags & PPC_ALTIVEC) { 217 uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 218 219 _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); 220 } 221 222 /* 223 * Advertise DFP (Decimal Floating Point) if available 224 * 0 / no property == no DFP 225 * 1 == DFP available 226 */ 227 if (env->insns_flags2 & PPC2_DFP) { 228 _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); 229 } 230 231 page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop, 232 sizeof(page_sizes_prop)); 233 if (page_sizes_prop_size) { 234 _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", 235 page_sizes_prop, page_sizes_prop_size))); 236 } 237 238 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", 239 pa_features, sizeof(pa_features)))); 240 241 /* Build interrupt servers properties */ 242 for (i = 0; i < smt_threads; i++) { 243 servers_prop[i] = cpu_to_be32(pc->pir + i); 244 } 245 _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 246 servers_prop, sizeof(servers_prop)))); 247 } 248 249 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir, 250 uint32_t nr_threads) 251 { 252 uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12); 253 char *name; 254 const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp"; 255 uint32_t irange[2], i, rsize; 256 uint64_t *reg; 257 int offset; 258 259 irange[0] = cpu_to_be32(pir); 260 irange[1] = cpu_to_be32(nr_threads); 261 262 rsize = sizeof(uint64_t) * 2 * nr_threads; 263 reg = g_malloc(rsize); 264 for (i = 0; i < nr_threads; i++) { 265 reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000)); 266 reg[i * 2 + 1] = cpu_to_be64(0x1000); 267 } 268 269 name = g_strdup_printf("interrupt-controller@%"PRIX64, addr); 270 offset = fdt_add_subnode(fdt, 0, name); 271 _FDT(offset); 272 g_free(name); 273 274 _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat)))); 275 _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize))); 276 _FDT((fdt_setprop_string(fdt, offset, "device_type", 277 "PowerPC-External-Interrupt-Presentation"))); 278 _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0))); 279 _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges", 280 irange, sizeof(irange)))); 281 _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1))); 282 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0))); 283 g_free(reg); 284 } 285 286 static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt) 287 { 288 static const char compat[] = "ibm,power8-xscom\0ibm,xscom"; 289 int i; 290 291 pnv_dt_xscom(chip, fdt, 0, 292 cpu_to_be64(PNV_XSCOM_BASE(chip)), 293 cpu_to_be64(PNV_XSCOM_SIZE), 294 compat, sizeof(compat)); 295 296 for (i = 0; i < chip->nr_cores; i++) { 297 PnvCore *pnv_core = chip->cores[i]; 298 299 pnv_dt_core(chip, pnv_core, fdt); 300 301 /* Interrupt Control Presenters (ICP). One per core. */ 302 pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads); 303 } 304 305 if (chip->ram_size) { 306 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 307 } 308 } 309 310 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) 311 { 312 static const char compat[] = "ibm,power9-xscom\0ibm,xscom"; 313 int i; 314 315 pnv_dt_xscom(chip, fdt, 0, 316 cpu_to_be64(PNV9_XSCOM_BASE(chip)), 317 cpu_to_be64(PNV9_XSCOM_SIZE), 318 compat, sizeof(compat)); 319 320 for (i = 0; i < chip->nr_cores; i++) { 321 PnvCore *pnv_core = chip->cores[i]; 322 323 pnv_dt_core(chip, pnv_core, fdt); 324 } 325 326 if (chip->ram_size) { 327 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 328 } 329 330 pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE); 331 } 332 333 static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) 334 { 335 static const char compat[] = "ibm,power10-xscom\0ibm,xscom"; 336 int i; 337 338 pnv_dt_xscom(chip, fdt, 0, 339 cpu_to_be64(PNV10_XSCOM_BASE(chip)), 340 cpu_to_be64(PNV10_XSCOM_SIZE), 341 compat, sizeof(compat)); 342 343 for (i = 0; i < chip->nr_cores; i++) { 344 PnvCore *pnv_core = chip->cores[i]; 345 346 pnv_dt_core(chip, pnv_core, fdt); 347 } 348 349 if (chip->ram_size) { 350 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 351 } 352 353 pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE); 354 } 355 356 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) 357 { 358 uint32_t io_base = d->ioport_id; 359 uint32_t io_regs[] = { 360 cpu_to_be32(1), 361 cpu_to_be32(io_base), 362 cpu_to_be32(2) 363 }; 364 char *name; 365 int node; 366 367 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 368 node = fdt_add_subnode(fdt, lpc_off, name); 369 _FDT(node); 370 g_free(name); 371 372 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 373 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00"))); 374 } 375 376 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off) 377 { 378 const char compatible[] = "ns16550\0pnpPNP,501"; 379 uint32_t io_base = d->ioport_id; 380 uint32_t io_regs[] = { 381 cpu_to_be32(1), 382 cpu_to_be32(io_base), 383 cpu_to_be32(8) 384 }; 385 char *name; 386 int node; 387 388 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 389 node = fdt_add_subnode(fdt, lpc_off, name); 390 _FDT(node); 391 g_free(name); 392 393 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 394 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 395 sizeof(compatible)))); 396 397 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200))); 398 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200))); 399 _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0]))); 400 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 401 fdt_get_phandle(fdt, lpc_off)))); 402 403 /* This is needed by Linux */ 404 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial"))); 405 } 406 407 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off) 408 { 409 const char compatible[] = "bt\0ipmi-bt"; 410 uint32_t io_base; 411 uint32_t io_regs[] = { 412 cpu_to_be32(1), 413 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */ 414 cpu_to_be32(3) 415 }; 416 uint32_t irq; 417 char *name; 418 int node; 419 420 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal); 421 io_regs[1] = cpu_to_be32(io_base); 422 423 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal); 424 425 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 426 node = fdt_add_subnode(fdt, lpc_off, name); 427 _FDT(node); 428 g_free(name); 429 430 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 431 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 432 sizeof(compatible)))); 433 434 /* Mark it as reserved to avoid Linux trying to claim it */ 435 _FDT((fdt_setprop_string(fdt, node, "status", "reserved"))); 436 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); 437 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 438 fdt_get_phandle(fdt, lpc_off)))); 439 } 440 441 typedef struct ForeachPopulateArgs { 442 void *fdt; 443 int offset; 444 } ForeachPopulateArgs; 445 446 static int pnv_dt_isa_device(DeviceState *dev, void *opaque) 447 { 448 ForeachPopulateArgs *args = opaque; 449 ISADevice *d = ISA_DEVICE(dev); 450 451 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) { 452 pnv_dt_rtc(d, args->fdt, args->offset); 453 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) { 454 pnv_dt_serial(d, args->fdt, args->offset); 455 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) { 456 pnv_dt_ipmi_bt(d, args->fdt, args->offset); 457 } else { 458 error_report("unknown isa device %s@i%x", qdev_fw_name(dev), 459 d->ioport_id); 460 } 461 462 return 0; 463 } 464 465 /* 466 * The default LPC bus of a multichip system is on chip 0. It's 467 * recognized by the firmware (skiboot) using a "primary" property. 468 */ 469 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) 470 { 471 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename); 472 ForeachPopulateArgs args = { 473 .fdt = fdt, 474 .offset = isa_offset, 475 }; 476 uint32_t phandle; 477 478 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0))); 479 480 phandle = qemu_fdt_alloc_phandle(fdt); 481 assert(phandle > 0); 482 _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle))); 483 484 /* 485 * ISA devices are not necessarily parented to the ISA bus so we 486 * can not use object_child_foreach() 487 */ 488 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, 489 &args); 490 } 491 492 static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt) 493 { 494 int off; 495 496 off = fdt_add_subnode(fdt, 0, "ibm,opal"); 497 off = fdt_add_subnode(fdt, off, "power-mgt"); 498 499 _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000)); 500 } 501 502 static void *pnv_dt_create(MachineState *machine) 503 { 504 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); 505 PnvMachineState *pnv = PNV_MACHINE(machine); 506 void *fdt; 507 char *buf; 508 int off; 509 int i; 510 511 fdt = g_malloc0(FDT_MAX_SIZE); 512 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); 513 514 /* /qemu node */ 515 _FDT((fdt_add_subnode(fdt, 0, "qemu"))); 516 517 /* Root node */ 518 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2))); 519 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2))); 520 _FDT((fdt_setprop_string(fdt, 0, "model", 521 "IBM PowerNV (emulated by qemu)"))); 522 _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size))); 523 524 buf = qemu_uuid_unparse_strdup(&qemu_uuid); 525 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf))); 526 if (qemu_uuid_set) { 527 _FDT((fdt_property_string(fdt, "system-id", buf))); 528 } 529 g_free(buf); 530 531 off = fdt_add_subnode(fdt, 0, "chosen"); 532 if (machine->kernel_cmdline) { 533 _FDT((fdt_setprop_string(fdt, off, "bootargs", 534 machine->kernel_cmdline))); 535 } 536 537 if (pnv->initrd_size) { 538 uint32_t start_prop = cpu_to_be32(pnv->initrd_base); 539 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size); 540 541 _FDT((fdt_setprop(fdt, off, "linux,initrd-start", 542 &start_prop, sizeof(start_prop)))); 543 _FDT((fdt_setprop(fdt, off, "linux,initrd-end", 544 &end_prop, sizeof(end_prop)))); 545 } 546 547 /* Populate device tree for each chip */ 548 for (i = 0; i < pnv->num_chips; i++) { 549 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt); 550 } 551 552 /* Populate ISA devices on chip 0 */ 553 pnv_dt_isa(pnv, fdt); 554 555 if (pnv->bmc) { 556 pnv_dt_bmc_sensors(pnv->bmc, fdt); 557 } 558 559 /* Create an extra node for power management on machines that support it */ 560 if (pmc->dt_power_mgt) { 561 pmc->dt_power_mgt(pnv, fdt); 562 } 563 564 return fdt; 565 } 566 567 static void pnv_powerdown_notify(Notifier *n, void *opaque) 568 { 569 PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier); 570 571 if (pnv->bmc) { 572 pnv_bmc_powerdown(pnv->bmc); 573 } 574 } 575 576 static void pnv_reset(MachineState *machine) 577 { 578 PnvMachineState *pnv = PNV_MACHINE(machine); 579 IPMIBmc *bmc; 580 void *fdt; 581 582 qemu_devices_reset(); 583 584 /* 585 * The machine should provide by default an internal BMC simulator. 586 * If not, try to use the BMC device that was provided on the command 587 * line. 588 */ 589 bmc = pnv_bmc_find(&error_fatal); 590 if (!pnv->bmc) { 591 if (!bmc) { 592 if (!qtest_enabled()) { 593 warn_report("machine has no BMC device. Use '-device " 594 "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' " 595 "to define one"); 596 } 597 } else { 598 pnv_bmc_set_pnor(bmc, pnv->pnor); 599 pnv->bmc = bmc; 600 } 601 } 602 603 fdt = pnv_dt_create(machine); 604 605 /* Pack resulting tree */ 606 _FDT((fdt_pack(fdt))); 607 608 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 609 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); 610 611 g_free(fdt); 612 } 613 614 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) 615 { 616 Pnv8Chip *chip8 = PNV8_CHIP(chip); 617 return pnv_lpc_isa_create(&chip8->lpc, true, errp); 618 } 619 620 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) 621 { 622 Pnv8Chip *chip8 = PNV8_CHIP(chip); 623 return pnv_lpc_isa_create(&chip8->lpc, false, errp); 624 } 625 626 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) 627 { 628 Pnv9Chip *chip9 = PNV9_CHIP(chip); 629 return pnv_lpc_isa_create(&chip9->lpc, false, errp); 630 } 631 632 static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) 633 { 634 Pnv10Chip *chip10 = PNV10_CHIP(chip); 635 return pnv_lpc_isa_create(&chip10->lpc, false, errp); 636 } 637 638 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) 639 { 640 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); 641 } 642 643 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon) 644 { 645 Pnv8Chip *chip8 = PNV8_CHIP(chip); 646 int i; 647 648 ics_pic_print_info(&chip8->psi.ics, mon); 649 for (i = 0; i < chip->num_phbs; i++) { 650 pnv_phb3_msi_pic_print_info(&chip8->phbs[i].msis, mon); 651 ics_pic_print_info(&chip8->phbs[i].lsis, mon); 652 } 653 } 654 655 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon) 656 { 657 Pnv9Chip *chip9 = PNV9_CHIP(chip); 658 int i, j; 659 660 pnv_xive_pic_print_info(&chip9->xive, mon); 661 pnv_psi_pic_print_info(&chip9->psi, mon); 662 663 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) { 664 PnvPhb4PecState *pec = &chip9->pecs[i]; 665 for (j = 0; j < pec->num_stacks; j++) { 666 pnv_phb4_pic_print_info(&pec->stacks[j].phb, mon); 667 } 668 } 669 } 670 671 static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip, 672 uint32_t core_id) 673 { 674 return PNV_XSCOM_EX_BASE(core_id); 675 } 676 677 static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip, 678 uint32_t core_id) 679 { 680 return PNV9_XSCOM_EC_BASE(core_id); 681 } 682 683 static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip, 684 uint32_t core_id) 685 { 686 return PNV10_XSCOM_EC_BASE(core_id); 687 } 688 689 static bool pnv_match_cpu(const char *default_type, const char *cpu_type) 690 { 691 PowerPCCPUClass *ppc_default = 692 POWERPC_CPU_CLASS(object_class_by_name(default_type)); 693 PowerPCCPUClass *ppc = 694 POWERPC_CPU_CLASS(object_class_by_name(cpu_type)); 695 696 return ppc_default->pvr_match(ppc_default, ppc->pvr); 697 } 698 699 static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq) 700 { 701 ISADevice *dev = isa_new("isa-ipmi-bt"); 702 703 object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal); 704 object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal); 705 isa_realize_and_unref(dev, bus, &error_fatal); 706 } 707 708 static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon) 709 { 710 Pnv10Chip *chip10 = PNV10_CHIP(chip); 711 712 pnv_psi_pic_print_info(&chip10->psi, mon); 713 } 714 715 static void pnv_init(MachineState *machine) 716 { 717 const char *bios_name = machine->firmware ?: FW_FILE_NAME; 718 PnvMachineState *pnv = PNV_MACHINE(machine); 719 MachineClass *mc = MACHINE_GET_CLASS(machine); 720 char *fw_filename; 721 long fw_size; 722 int i; 723 char *chip_typename; 724 DriveInfo *pnor = drive_get(IF_MTD, 0, 0); 725 DeviceState *dev; 726 727 /* allocate RAM */ 728 if (machine->ram_size < mc->default_ram_size) { 729 char *sz = size_to_str(mc->default_ram_size); 730 error_report("Invalid RAM size, should be bigger than %s", sz); 731 g_free(sz); 732 exit(EXIT_FAILURE); 733 } 734 memory_region_add_subregion(get_system_memory(), 0, machine->ram); 735 736 /* 737 * Create our simple PNOR device 738 */ 739 dev = qdev_new(TYPE_PNV_PNOR); 740 if (pnor) { 741 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor)); 742 } 743 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 744 pnv->pnor = PNV_PNOR(dev); 745 746 /* load skiboot firmware */ 747 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 748 if (!fw_filename) { 749 error_report("Could not find OPAL firmware '%s'", bios_name); 750 exit(1); 751 } 752 753 fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE); 754 if (fw_size < 0) { 755 error_report("Could not load OPAL firmware '%s'", fw_filename); 756 exit(1); 757 } 758 g_free(fw_filename); 759 760 /* load kernel */ 761 if (machine->kernel_filename) { 762 long kernel_size; 763 764 kernel_size = load_image_targphys(machine->kernel_filename, 765 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE); 766 if (kernel_size < 0) { 767 error_report("Could not load kernel '%s'", 768 machine->kernel_filename); 769 exit(1); 770 } 771 } 772 773 /* load initrd */ 774 if (machine->initrd_filename) { 775 pnv->initrd_base = INITRD_LOAD_ADDR; 776 pnv->initrd_size = load_image_targphys(machine->initrd_filename, 777 pnv->initrd_base, INITRD_MAX_SIZE); 778 if (pnv->initrd_size < 0) { 779 error_report("Could not load initial ram disk '%s'", 780 machine->initrd_filename); 781 exit(1); 782 } 783 } 784 785 /* MSIs are supported on this platform */ 786 msi_nonbroken = true; 787 788 /* 789 * Check compatibility of the specified CPU with the machine 790 * default. 791 */ 792 if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) { 793 error_report("invalid CPU model '%s' for %s machine", 794 machine->cpu_type, mc->name); 795 exit(1); 796 } 797 798 /* Create the processor chips */ 799 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX); 800 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"), 801 i, machine->cpu_type); 802 if (!object_class_by_name(chip_typename)) { 803 error_report("invalid chip model '%.*s' for %s machine", 804 i, machine->cpu_type, mc->name); 805 exit(1); 806 } 807 808 pnv->num_chips = 809 machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads); 810 /* 811 * TODO: should we decide on how many chips we can create based 812 * on #cores and Venice vs. Murano vs. Naples chip type etc..., 813 */ 814 if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 4) { 815 error_report("invalid number of chips: '%d'", pnv->num_chips); 816 error_printf("Try '-smp sockets=N'. Valid values are : 1, 2 or 4.\n"); 817 exit(1); 818 } 819 820 pnv->chips = g_new0(PnvChip *, pnv->num_chips); 821 for (i = 0; i < pnv->num_chips; i++) { 822 char chip_name[32]; 823 Object *chip = OBJECT(qdev_new(chip_typename)); 824 825 pnv->chips[i] = PNV_CHIP(chip); 826 827 /* 828 * TODO: put all the memory in one node on chip 0 until we find a 829 * way to specify different ranges for each chip 830 */ 831 if (i == 0) { 832 object_property_set_int(chip, "ram-size", machine->ram_size, 833 &error_fatal); 834 } 835 836 snprintf(chip_name, sizeof(chip_name), "chip[%d]", PNV_CHIP_HWID(i)); 837 object_property_add_child(OBJECT(pnv), chip_name, chip); 838 object_property_set_int(chip, "chip-id", PNV_CHIP_HWID(i), 839 &error_fatal); 840 object_property_set_int(chip, "nr-cores", machine->smp.cores, 841 &error_fatal); 842 object_property_set_int(chip, "nr-threads", machine->smp.threads, 843 &error_fatal); 844 /* 845 * The POWER8 machine use the XICS interrupt interface. 846 * Propagate the XICS fabric to the chip and its controllers. 847 */ 848 if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) { 849 object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort); 850 } 851 if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) { 852 object_property_set_link(chip, "xive-fabric", OBJECT(pnv), 853 &error_abort); 854 } 855 sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal); 856 } 857 g_free(chip_typename); 858 859 /* Instantiate ISA bus on chip 0 */ 860 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal); 861 862 /* Create serial port */ 863 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS); 864 865 /* Create an RTC ISA device too */ 866 mc146818_rtc_init(pnv->isa_bus, 2000, NULL); 867 868 /* 869 * Create the machine BMC simulator and the IPMI BT device for 870 * communication with the BMC 871 */ 872 if (defaults_enabled()) { 873 pnv->bmc = pnv_bmc_create(pnv->pnor); 874 pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10); 875 } 876 877 /* 878 * The PNOR is mapped on the LPC FW address space by the BMC. 879 * Since we can not reach the remote BMC machine with LPC memops, 880 * map it always for now. 881 */ 882 memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET, 883 &pnv->pnor->mmio); 884 885 /* 886 * OpenPOWER systems use a IPMI SEL Event message to notify the 887 * host to powerdown 888 */ 889 pnv->powerdown_notifier.notify = pnv_powerdown_notify; 890 qemu_register_powerdown_notifier(&pnv->powerdown_notifier); 891 } 892 893 /* 894 * 0:21 Reserved - Read as zeros 895 * 22:24 Chip ID 896 * 25:28 Core number 897 * 29:31 Thread ID 898 */ 899 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id) 900 { 901 return (chip->chip_id << 7) | (core_id << 3); 902 } 903 904 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu, 905 Error **errp) 906 { 907 Pnv8Chip *chip8 = PNV8_CHIP(chip); 908 Error *local_err = NULL; 909 Object *obj; 910 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 911 912 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err); 913 if (local_err) { 914 error_propagate(errp, local_err); 915 return; 916 } 917 918 pnv_cpu->intc = obj; 919 } 920 921 922 static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 923 { 924 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 925 926 icp_reset(ICP(pnv_cpu->intc)); 927 } 928 929 static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 930 { 931 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 932 933 icp_destroy(ICP(pnv_cpu->intc)); 934 pnv_cpu->intc = NULL; 935 } 936 937 static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 938 Monitor *mon) 939 { 940 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); 941 } 942 943 /* 944 * 0:48 Reserved - Read as zeroes 945 * 49:52 Node ID 946 * 53:55 Chip ID 947 * 56 Reserved - Read as zero 948 * 57:61 Core number 949 * 62:63 Thread ID 950 * 951 * We only care about the lower bits. uint32_t is fine for the moment. 952 */ 953 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id) 954 { 955 return (chip->chip_id << 8) | (core_id << 2); 956 } 957 958 static uint32_t pnv_chip_core_pir_p10(PnvChip *chip, uint32_t core_id) 959 { 960 return (chip->chip_id << 8) | (core_id << 2); 961 } 962 963 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, 964 Error **errp) 965 { 966 Pnv9Chip *chip9 = PNV9_CHIP(chip); 967 Error *local_err = NULL; 968 Object *obj; 969 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 970 971 /* 972 * The core creates its interrupt presenter but the XIVE interrupt 973 * controller object is initialized afterwards. Hopefully, it's 974 * only used at runtime. 975 */ 976 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive), 977 &local_err); 978 if (local_err) { 979 error_propagate(errp, local_err); 980 return; 981 } 982 983 pnv_cpu->intc = obj; 984 } 985 986 static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 987 { 988 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 989 990 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); 991 } 992 993 static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 994 { 995 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 996 997 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); 998 pnv_cpu->intc = NULL; 999 } 1000 1001 static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1002 Monitor *mon) 1003 { 1004 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); 1005 } 1006 1007 static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1008 Error **errp) 1009 { 1010 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1011 1012 /* Will be defined when the interrupt controller is */ 1013 pnv_cpu->intc = NULL; 1014 } 1015 1016 static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1017 { 1018 ; 1019 } 1020 1021 static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1022 { 1023 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1024 1025 pnv_cpu->intc = NULL; 1026 } 1027 1028 static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1029 Monitor *mon) 1030 { 1031 } 1032 1033 /* 1034 * Allowed core identifiers on a POWER8 Processor Chip : 1035 * 1036 * <EX0 reserved> 1037 * EX1 - Venice only 1038 * EX2 - Venice only 1039 * EX3 - Venice only 1040 * EX4 1041 * EX5 1042 * EX6 1043 * <EX7,8 reserved> <reserved> 1044 * EX9 - Venice only 1045 * EX10 - Venice only 1046 * EX11 - Venice only 1047 * EX12 1048 * EX13 1049 * EX14 1050 * <EX15 reserved> 1051 */ 1052 #define POWER8E_CORE_MASK (0x7070ull) 1053 #define POWER8_CORE_MASK (0x7e7eull) 1054 1055 /* 1056 * POWER9 has 24 cores, ids starting at 0x0 1057 */ 1058 #define POWER9_CORE_MASK (0xffffffffffffffull) 1059 1060 1061 #define POWER10_CORE_MASK (0xffffffffffffffull) 1062 1063 static void pnv_chip_power8_instance_init(Object *obj) 1064 { 1065 PnvChip *chip = PNV_CHIP(obj); 1066 Pnv8Chip *chip8 = PNV8_CHIP(obj); 1067 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1068 int i; 1069 1070 object_property_add_link(obj, "xics", TYPE_XICS_FABRIC, 1071 (Object **)&chip8->xics, 1072 object_property_allow_set_link, 1073 OBJ_PROP_LINK_STRONG); 1074 1075 object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI); 1076 1077 object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC); 1078 1079 object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC); 1080 1081 object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER); 1082 1083 for (i = 0; i < pcc->num_phbs; i++) { 1084 object_initialize_child(obj, "phb[*]", &chip8->phbs[i], TYPE_PNV_PHB3); 1085 } 1086 1087 /* 1088 * Number of PHBs is the chip default 1089 */ 1090 chip->num_phbs = pcc->num_phbs; 1091 } 1092 1093 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) 1094 { 1095 PnvChip *chip = PNV_CHIP(chip8); 1096 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1097 int i, j; 1098 char *name; 1099 1100 name = g_strdup_printf("icp-%x", chip->chip_id); 1101 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); 1102 sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio); 1103 g_free(name); 1104 1105 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip)); 1106 1107 /* Map the ICP registers for each thread */ 1108 for (i = 0; i < chip->nr_cores; i++) { 1109 PnvCore *pnv_core = chip->cores[i]; 1110 int core_hwid = CPU_CORE(pnv_core)->core_id; 1111 1112 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { 1113 uint32_t pir = pcc->core_pir(chip, core_hwid) + j; 1114 PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir)); 1115 1116 memory_region_add_subregion(&chip8->icp_mmio, pir << 12, 1117 &icp->mmio); 1118 } 1119 } 1120 } 1121 1122 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) 1123 { 1124 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1125 PnvChip *chip = PNV_CHIP(dev); 1126 Pnv8Chip *chip8 = PNV8_CHIP(dev); 1127 Pnv8Psi *psi8 = &chip8->psi; 1128 Error *local_err = NULL; 1129 int i; 1130 1131 assert(chip8->xics); 1132 1133 /* XSCOM bridge is first */ 1134 pnv_xscom_realize(chip, PNV_XSCOM_SIZE, &local_err); 1135 if (local_err) { 1136 error_propagate(errp, local_err); 1137 return; 1138 } 1139 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip)); 1140 1141 pcc->parent_realize(dev, &local_err); 1142 if (local_err) { 1143 error_propagate(errp, local_err); 1144 return; 1145 } 1146 1147 /* Processor Service Interface (PSI) Host Bridge */ 1148 object_property_set_int(OBJECT(&chip8->psi), "bar", PNV_PSIHB_BASE(chip), 1149 &error_fatal); 1150 object_property_set_link(OBJECT(&chip8->psi), ICS_PROP_XICS, 1151 OBJECT(chip8->xics), &error_abort); 1152 if (!qdev_realize(DEVICE(&chip8->psi), NULL, errp)) { 1153 return; 1154 } 1155 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, 1156 &PNV_PSI(psi8)->xscom_regs); 1157 1158 /* Create LPC controller */ 1159 object_property_set_link(OBJECT(&chip8->lpc), "psi", OBJECT(&chip8->psi), 1160 &error_abort); 1161 qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal); 1162 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); 1163 1164 chip->fw_mr = &chip8->lpc.isa_fw; 1165 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", 1166 (uint64_t) PNV_XSCOM_BASE(chip), 1167 PNV_XSCOM_LPC_BASE); 1168 1169 /* 1170 * Interrupt Management Area. This is the memory region holding 1171 * all the Interrupt Control Presenter (ICP) registers 1172 */ 1173 pnv_chip_icp_realize(chip8, &local_err); 1174 if (local_err) { 1175 error_propagate(errp, local_err); 1176 return; 1177 } 1178 1179 /* Create the simplified OCC model */ 1180 object_property_set_link(OBJECT(&chip8->occ), "psi", OBJECT(&chip8->psi), 1181 &error_abort); 1182 if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) { 1183 return; 1184 } 1185 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs); 1186 1187 /* OCC SRAM model */ 1188 memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip), 1189 &chip8->occ.sram_regs); 1190 1191 /* HOMER */ 1192 object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip), 1193 &error_abort); 1194 if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) { 1195 return; 1196 } 1197 /* Homer Xscom region */ 1198 pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs); 1199 1200 /* Homer mmio region */ 1201 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip), 1202 &chip8->homer.regs); 1203 1204 /* PHB3 controllers */ 1205 for (i = 0; i < chip->num_phbs; i++) { 1206 PnvPHB3 *phb = &chip8->phbs[i]; 1207 PnvPBCQState *pbcq = &phb->pbcq; 1208 1209 object_property_set_int(OBJECT(phb), "index", i, &error_fatal); 1210 object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id, 1211 &error_fatal); 1212 if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) { 1213 return; 1214 } 1215 1216 /* Populate the XSCOM address space. */ 1217 pnv_xscom_add_subregion(chip, 1218 PNV_XSCOM_PBCQ_NEST_BASE + 0x400 * phb->phb_id, 1219 &pbcq->xscom_nest_regs); 1220 pnv_xscom_add_subregion(chip, 1221 PNV_XSCOM_PBCQ_PCI_BASE + 0x400 * phb->phb_id, 1222 &pbcq->xscom_pci_regs); 1223 pnv_xscom_add_subregion(chip, 1224 PNV_XSCOM_PBCQ_SPCI_BASE + 0x040 * phb->phb_id, 1225 &pbcq->xscom_spci_regs); 1226 } 1227 } 1228 1229 static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr) 1230 { 1231 addr &= (PNV_XSCOM_SIZE - 1); 1232 return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf); 1233 } 1234 1235 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) 1236 { 1237 DeviceClass *dc = DEVICE_CLASS(klass); 1238 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1239 1240 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */ 1241 k->cores_mask = POWER8E_CORE_MASK; 1242 k->num_phbs = 3; 1243 k->core_pir = pnv_chip_core_pir_p8; 1244 k->intc_create = pnv_chip_power8_intc_create; 1245 k->intc_reset = pnv_chip_power8_intc_reset; 1246 k->intc_destroy = pnv_chip_power8_intc_destroy; 1247 k->intc_print_info = pnv_chip_power8_intc_print_info; 1248 k->isa_create = pnv_chip_power8_isa_create; 1249 k->dt_populate = pnv_chip_power8_dt_populate; 1250 k->pic_print_info = pnv_chip_power8_pic_print_info; 1251 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1252 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1253 dc->desc = "PowerNV Chip POWER8E"; 1254 1255 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1256 &k->parent_realize); 1257 } 1258 1259 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) 1260 { 1261 DeviceClass *dc = DEVICE_CLASS(klass); 1262 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1263 1264 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ 1265 k->cores_mask = POWER8_CORE_MASK; 1266 k->num_phbs = 3; 1267 k->core_pir = pnv_chip_core_pir_p8; 1268 k->intc_create = pnv_chip_power8_intc_create; 1269 k->intc_reset = pnv_chip_power8_intc_reset; 1270 k->intc_destroy = pnv_chip_power8_intc_destroy; 1271 k->intc_print_info = pnv_chip_power8_intc_print_info; 1272 k->isa_create = pnv_chip_power8_isa_create; 1273 k->dt_populate = pnv_chip_power8_dt_populate; 1274 k->pic_print_info = pnv_chip_power8_pic_print_info; 1275 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1276 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1277 dc->desc = "PowerNV Chip POWER8"; 1278 1279 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1280 &k->parent_realize); 1281 } 1282 1283 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) 1284 { 1285 DeviceClass *dc = DEVICE_CLASS(klass); 1286 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1287 1288 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */ 1289 k->cores_mask = POWER8_CORE_MASK; 1290 k->num_phbs = 3; 1291 k->core_pir = pnv_chip_core_pir_p8; 1292 k->intc_create = pnv_chip_power8_intc_create; 1293 k->intc_reset = pnv_chip_power8_intc_reset; 1294 k->intc_destroy = pnv_chip_power8_intc_destroy; 1295 k->intc_print_info = pnv_chip_power8_intc_print_info; 1296 k->isa_create = pnv_chip_power8nvl_isa_create; 1297 k->dt_populate = pnv_chip_power8_dt_populate; 1298 k->pic_print_info = pnv_chip_power8_pic_print_info; 1299 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1300 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1301 dc->desc = "PowerNV Chip POWER8NVL"; 1302 1303 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1304 &k->parent_realize); 1305 } 1306 1307 static void pnv_chip_power9_instance_init(Object *obj) 1308 { 1309 PnvChip *chip = PNV_CHIP(obj); 1310 Pnv9Chip *chip9 = PNV9_CHIP(obj); 1311 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1312 int i; 1313 1314 object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE); 1315 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive), 1316 "xive-fabric"); 1317 1318 object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI); 1319 1320 object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC); 1321 1322 object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC); 1323 1324 object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER); 1325 1326 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) { 1327 object_initialize_child(obj, "pec[*]", &chip9->pecs[i], 1328 TYPE_PNV_PHB4_PEC); 1329 } 1330 1331 /* 1332 * Number of PHBs is the chip default 1333 */ 1334 chip->num_phbs = pcc->num_phbs; 1335 } 1336 1337 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) 1338 { 1339 PnvChip *chip = PNV_CHIP(chip9); 1340 int i; 1341 1342 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); 1343 chip9->quads = g_new0(PnvQuad, chip9->nr_quads); 1344 1345 for (i = 0; i < chip9->nr_quads; i++) { 1346 char eq_name[32]; 1347 PnvQuad *eq = &chip9->quads[i]; 1348 PnvCore *pnv_core = chip->cores[i * 4]; 1349 int core_id = CPU_CORE(pnv_core)->core_id; 1350 1351 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); 1352 object_initialize_child_with_props(OBJECT(chip), eq_name, eq, 1353 sizeof(*eq), TYPE_PNV_QUAD, 1354 &error_fatal, NULL); 1355 1356 object_property_set_int(OBJECT(eq), "id", core_id, &error_fatal); 1357 qdev_realize(DEVICE(eq), NULL, &error_fatal); 1358 1359 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->id), 1360 &eq->xscom_regs); 1361 } 1362 } 1363 1364 static void pnv_chip_power9_phb_realize(PnvChip *chip, Error **errp) 1365 { 1366 Pnv9Chip *chip9 = PNV9_CHIP(chip); 1367 int i, j; 1368 int phb_id = 0; 1369 1370 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) { 1371 PnvPhb4PecState *pec = &chip9->pecs[i]; 1372 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); 1373 uint32_t pec_nest_base; 1374 uint32_t pec_pci_base; 1375 1376 object_property_set_int(OBJECT(pec), "index", i, &error_fatal); 1377 /* 1378 * PEC0 -> 1 stack 1379 * PEC1 -> 2 stacks 1380 * PEC2 -> 3 stacks 1381 */ 1382 object_property_set_int(OBJECT(pec), "num-stacks", i + 1, 1383 &error_fatal); 1384 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, 1385 &error_fatal); 1386 object_property_set_link(OBJECT(pec), "system-memory", 1387 OBJECT(get_system_memory()), &error_abort); 1388 if (!qdev_realize(DEVICE(pec), NULL, errp)) { 1389 return; 1390 } 1391 1392 pec_nest_base = pecc->xscom_nest_base(pec); 1393 pec_pci_base = pecc->xscom_pci_base(pec); 1394 1395 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); 1396 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); 1397 1398 for (j = 0; j < pec->num_stacks && phb_id < chip->num_phbs; 1399 j++, phb_id++) { 1400 PnvPhb4PecStack *stack = &pec->stacks[j]; 1401 Object *obj = OBJECT(&stack->phb); 1402 1403 object_property_set_int(obj, "index", phb_id, &error_fatal); 1404 object_property_set_int(obj, "chip-id", chip->chip_id, 1405 &error_fatal); 1406 object_property_set_int(obj, "version", PNV_PHB4_VERSION, 1407 &error_fatal); 1408 object_property_set_int(obj, "device-id", PNV_PHB4_DEVICE_ID, 1409 &error_fatal); 1410 object_property_set_link(obj, "stack", OBJECT(stack), 1411 &error_abort); 1412 if (!sysbus_realize(SYS_BUS_DEVICE(obj), errp)) { 1413 return; 1414 } 1415 1416 /* Populate the XSCOM address space. */ 1417 pnv_xscom_add_subregion(chip, 1418 pec_nest_base + 0x40 * (stack->stack_no + 1), 1419 &stack->nest_regs_mr); 1420 pnv_xscom_add_subregion(chip, 1421 pec_pci_base + 0x40 * (stack->stack_no + 1), 1422 &stack->pci_regs_mr); 1423 pnv_xscom_add_subregion(chip, 1424 pec_pci_base + PNV9_XSCOM_PEC_PCI_STK0 + 1425 0x40 * stack->stack_no, 1426 &stack->phb_regs_mr); 1427 } 1428 } 1429 } 1430 1431 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) 1432 { 1433 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1434 Pnv9Chip *chip9 = PNV9_CHIP(dev); 1435 PnvChip *chip = PNV_CHIP(dev); 1436 Pnv9Psi *psi9 = &chip9->psi; 1437 Error *local_err = NULL; 1438 1439 /* XSCOM bridge is first */ 1440 pnv_xscom_realize(chip, PNV9_XSCOM_SIZE, &local_err); 1441 if (local_err) { 1442 error_propagate(errp, local_err); 1443 return; 1444 } 1445 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV9_XSCOM_BASE(chip)); 1446 1447 pcc->parent_realize(dev, &local_err); 1448 if (local_err) { 1449 error_propagate(errp, local_err); 1450 return; 1451 } 1452 1453 pnv_chip_quad_realize(chip9, &local_err); 1454 if (local_err) { 1455 error_propagate(errp, local_err); 1456 return; 1457 } 1458 1459 /* XIVE interrupt controller (POWER9) */ 1460 object_property_set_int(OBJECT(&chip9->xive), "ic-bar", 1461 PNV9_XIVE_IC_BASE(chip), &error_fatal); 1462 object_property_set_int(OBJECT(&chip9->xive), "vc-bar", 1463 PNV9_XIVE_VC_BASE(chip), &error_fatal); 1464 object_property_set_int(OBJECT(&chip9->xive), "pc-bar", 1465 PNV9_XIVE_PC_BASE(chip), &error_fatal); 1466 object_property_set_int(OBJECT(&chip9->xive), "tm-bar", 1467 PNV9_XIVE_TM_BASE(chip), &error_fatal); 1468 object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip), 1469 &error_abort); 1470 if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) { 1471 return; 1472 } 1473 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE, 1474 &chip9->xive.xscom_regs); 1475 1476 /* Processor Service Interface (PSI) Host Bridge */ 1477 object_property_set_int(OBJECT(&chip9->psi), "bar", PNV9_PSIHB_BASE(chip), 1478 &error_fatal); 1479 if (!qdev_realize(DEVICE(&chip9->psi), NULL, errp)) { 1480 return; 1481 } 1482 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE, 1483 &PNV_PSI(psi9)->xscom_regs); 1484 1485 /* LPC */ 1486 object_property_set_link(OBJECT(&chip9->lpc), "psi", OBJECT(&chip9->psi), 1487 &error_abort); 1488 if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) { 1489 return; 1490 } 1491 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip), 1492 &chip9->lpc.xscom_regs); 1493 1494 chip->fw_mr = &chip9->lpc.isa_fw; 1495 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1496 (uint64_t) PNV9_LPCM_BASE(chip)); 1497 1498 /* Create the simplified OCC model */ 1499 object_property_set_link(OBJECT(&chip9->occ), "psi", OBJECT(&chip9->psi), 1500 &error_abort); 1501 if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) { 1502 return; 1503 } 1504 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); 1505 1506 /* OCC SRAM model */ 1507 memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip), 1508 &chip9->occ.sram_regs); 1509 1510 /* HOMER */ 1511 object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip), 1512 &error_abort); 1513 if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) { 1514 return; 1515 } 1516 /* Homer Xscom region */ 1517 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs); 1518 1519 /* Homer mmio region */ 1520 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip), 1521 &chip9->homer.regs); 1522 1523 /* PHBs */ 1524 pnv_chip_power9_phb_realize(chip, &local_err); 1525 if (local_err) { 1526 error_propagate(errp, local_err); 1527 return; 1528 } 1529 } 1530 1531 static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr) 1532 { 1533 addr &= (PNV9_XSCOM_SIZE - 1); 1534 return addr >> 3; 1535 } 1536 1537 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) 1538 { 1539 DeviceClass *dc = DEVICE_CLASS(klass); 1540 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1541 1542 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */ 1543 k->cores_mask = POWER9_CORE_MASK; 1544 k->core_pir = pnv_chip_core_pir_p9; 1545 k->intc_create = pnv_chip_power9_intc_create; 1546 k->intc_reset = pnv_chip_power9_intc_reset; 1547 k->intc_destroy = pnv_chip_power9_intc_destroy; 1548 k->intc_print_info = pnv_chip_power9_intc_print_info; 1549 k->isa_create = pnv_chip_power9_isa_create; 1550 k->dt_populate = pnv_chip_power9_dt_populate; 1551 k->pic_print_info = pnv_chip_power9_pic_print_info; 1552 k->xscom_core_base = pnv_chip_power9_xscom_core_base; 1553 k->xscom_pcba = pnv_chip_power9_xscom_pcba; 1554 dc->desc = "PowerNV Chip POWER9"; 1555 k->num_phbs = 6; 1556 1557 device_class_set_parent_realize(dc, pnv_chip_power9_realize, 1558 &k->parent_realize); 1559 } 1560 1561 static void pnv_chip_power10_instance_init(Object *obj) 1562 { 1563 Pnv10Chip *chip10 = PNV10_CHIP(obj); 1564 1565 object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI); 1566 object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC); 1567 } 1568 1569 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) 1570 { 1571 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1572 PnvChip *chip = PNV_CHIP(dev); 1573 Pnv10Chip *chip10 = PNV10_CHIP(dev); 1574 Error *local_err = NULL; 1575 1576 /* XSCOM bridge is first */ 1577 pnv_xscom_realize(chip, PNV10_XSCOM_SIZE, &local_err); 1578 if (local_err) { 1579 error_propagate(errp, local_err); 1580 return; 1581 } 1582 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV10_XSCOM_BASE(chip)); 1583 1584 pcc->parent_realize(dev, &local_err); 1585 if (local_err) { 1586 error_propagate(errp, local_err); 1587 return; 1588 } 1589 1590 /* Processor Service Interface (PSI) Host Bridge */ 1591 object_property_set_int(OBJECT(&chip10->psi), "bar", 1592 PNV10_PSIHB_BASE(chip), &error_fatal); 1593 if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) { 1594 return; 1595 } 1596 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE, 1597 &PNV_PSI(&chip10->psi)->xscom_regs); 1598 1599 /* LPC */ 1600 object_property_set_link(OBJECT(&chip10->lpc), "psi", 1601 OBJECT(&chip10->psi), &error_abort); 1602 if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) { 1603 return; 1604 } 1605 memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip), 1606 &chip10->lpc.xscom_regs); 1607 1608 chip->fw_mr = &chip10->lpc.isa_fw; 1609 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1610 (uint64_t) PNV10_LPCM_BASE(chip)); 1611 } 1612 1613 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr) 1614 { 1615 addr &= (PNV10_XSCOM_SIZE - 1); 1616 return addr >> 3; 1617 } 1618 1619 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) 1620 { 1621 DeviceClass *dc = DEVICE_CLASS(klass); 1622 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1623 1624 k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */ 1625 k->cores_mask = POWER10_CORE_MASK; 1626 k->core_pir = pnv_chip_core_pir_p10; 1627 k->intc_create = pnv_chip_power10_intc_create; 1628 k->intc_reset = pnv_chip_power10_intc_reset; 1629 k->intc_destroy = pnv_chip_power10_intc_destroy; 1630 k->intc_print_info = pnv_chip_power10_intc_print_info; 1631 k->isa_create = pnv_chip_power10_isa_create; 1632 k->dt_populate = pnv_chip_power10_dt_populate; 1633 k->pic_print_info = pnv_chip_power10_pic_print_info; 1634 k->xscom_core_base = pnv_chip_power10_xscom_core_base; 1635 k->xscom_pcba = pnv_chip_power10_xscom_pcba; 1636 dc->desc = "PowerNV Chip POWER10"; 1637 1638 device_class_set_parent_realize(dc, pnv_chip_power10_realize, 1639 &k->parent_realize); 1640 } 1641 1642 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) 1643 { 1644 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1645 int cores_max; 1646 1647 /* 1648 * No custom mask for this chip, let's use the default one from * 1649 * the chip class 1650 */ 1651 if (!chip->cores_mask) { 1652 chip->cores_mask = pcc->cores_mask; 1653 } 1654 1655 /* filter alien core ids ! some are reserved */ 1656 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) { 1657 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !", 1658 chip->cores_mask); 1659 return; 1660 } 1661 chip->cores_mask &= pcc->cores_mask; 1662 1663 /* now that we have a sane layout, let check the number of cores */ 1664 cores_max = ctpop64(chip->cores_mask); 1665 if (chip->nr_cores > cores_max) { 1666 error_setg(errp, "warning: too many cores for chip ! Limit is %d", 1667 cores_max); 1668 return; 1669 } 1670 } 1671 1672 static void pnv_chip_core_realize(PnvChip *chip, Error **errp) 1673 { 1674 Error *error = NULL; 1675 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1676 const char *typename = pnv_chip_core_typename(chip); 1677 int i, core_hwid; 1678 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine()); 1679 1680 if (!object_class_by_name(typename)) { 1681 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename); 1682 return; 1683 } 1684 1685 /* Cores */ 1686 pnv_chip_core_sanitize(chip, &error); 1687 if (error) { 1688 error_propagate(errp, error); 1689 return; 1690 } 1691 1692 chip->cores = g_new0(PnvCore *, chip->nr_cores); 1693 1694 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8) 1695 && (i < chip->nr_cores); core_hwid++) { 1696 char core_name[32]; 1697 PnvCore *pnv_core; 1698 uint64_t xscom_core_base; 1699 1700 if (!(chip->cores_mask & (1ull << core_hwid))) { 1701 continue; 1702 } 1703 1704 pnv_core = PNV_CORE(object_new(typename)); 1705 1706 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid); 1707 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core)); 1708 chip->cores[i] = pnv_core; 1709 object_property_set_int(OBJECT(pnv_core), "nr-threads", 1710 chip->nr_threads, &error_fatal); 1711 object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID, 1712 core_hwid, &error_fatal); 1713 object_property_set_int(OBJECT(pnv_core), "pir", 1714 pcc->core_pir(chip, core_hwid), &error_fatal); 1715 object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr, 1716 &error_fatal); 1717 object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip), 1718 &error_abort); 1719 qdev_realize(DEVICE(pnv_core), NULL, &error_fatal); 1720 1721 /* Each core has an XSCOM MMIO region */ 1722 xscom_core_base = pcc->xscom_core_base(chip, core_hwid); 1723 1724 pnv_xscom_add_subregion(chip, xscom_core_base, 1725 &pnv_core->xscom_regs); 1726 i++; 1727 } 1728 } 1729 1730 static void pnv_chip_realize(DeviceState *dev, Error **errp) 1731 { 1732 PnvChip *chip = PNV_CHIP(dev); 1733 Error *error = NULL; 1734 1735 /* Cores */ 1736 pnv_chip_core_realize(chip, &error); 1737 if (error) { 1738 error_propagate(errp, error); 1739 return; 1740 } 1741 } 1742 1743 static Property pnv_chip_properties[] = { 1744 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0), 1745 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0), 1746 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0), 1747 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1), 1748 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0), 1749 DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1), 1750 DEFINE_PROP_UINT32("num-phbs", PnvChip, num_phbs, 0), 1751 DEFINE_PROP_END_OF_LIST(), 1752 }; 1753 1754 static void pnv_chip_class_init(ObjectClass *klass, void *data) 1755 { 1756 DeviceClass *dc = DEVICE_CLASS(klass); 1757 1758 set_bit(DEVICE_CATEGORY_CPU, dc->categories); 1759 dc->realize = pnv_chip_realize; 1760 device_class_set_props(dc, pnv_chip_properties); 1761 dc->desc = "PowerNV Chip"; 1762 } 1763 1764 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir) 1765 { 1766 int i, j; 1767 1768 for (i = 0; i < chip->nr_cores; i++) { 1769 PnvCore *pc = chip->cores[i]; 1770 CPUCore *cc = CPU_CORE(pc); 1771 1772 for (j = 0; j < cc->nr_threads; j++) { 1773 if (ppc_cpu_pir(pc->threads[j]) == pir) { 1774 return pc->threads[j]; 1775 } 1776 } 1777 } 1778 return NULL; 1779 } 1780 1781 static ICSState *pnv_ics_get(XICSFabric *xi, int irq) 1782 { 1783 PnvMachineState *pnv = PNV_MACHINE(xi); 1784 int i, j; 1785 1786 for (i = 0; i < pnv->num_chips; i++) { 1787 PnvChip *chip = pnv->chips[i]; 1788 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 1789 1790 if (ics_valid_irq(&chip8->psi.ics, irq)) { 1791 return &chip8->psi.ics; 1792 } 1793 for (j = 0; j < chip->num_phbs; j++) { 1794 if (ics_valid_irq(&chip8->phbs[j].lsis, irq)) { 1795 return &chip8->phbs[j].lsis; 1796 } 1797 if (ics_valid_irq(ICS(&chip8->phbs[j].msis), irq)) { 1798 return ICS(&chip8->phbs[j].msis); 1799 } 1800 } 1801 } 1802 return NULL; 1803 } 1804 1805 static void pnv_ics_resend(XICSFabric *xi) 1806 { 1807 PnvMachineState *pnv = PNV_MACHINE(xi); 1808 int i, j; 1809 1810 for (i = 0; i < pnv->num_chips; i++) { 1811 PnvChip *chip = pnv->chips[i]; 1812 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 1813 1814 ics_resend(&chip8->psi.ics); 1815 for (j = 0; j < chip->num_phbs; j++) { 1816 ics_resend(&chip8->phbs[j].lsis); 1817 ics_resend(ICS(&chip8->phbs[j].msis)); 1818 } 1819 } 1820 } 1821 1822 static ICPState *pnv_icp_get(XICSFabric *xi, int pir) 1823 { 1824 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir); 1825 1826 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL; 1827 } 1828 1829 static void pnv_pic_print_info(InterruptStatsProvider *obj, 1830 Monitor *mon) 1831 { 1832 PnvMachineState *pnv = PNV_MACHINE(obj); 1833 int i; 1834 CPUState *cs; 1835 1836 CPU_FOREACH(cs) { 1837 PowerPCCPU *cpu = POWERPC_CPU(cs); 1838 1839 /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */ 1840 PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu, 1841 mon); 1842 } 1843 1844 for (i = 0; i < pnv->num_chips; i++) { 1845 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon); 1846 } 1847 } 1848 1849 static int pnv_match_nvt(XiveFabric *xfb, uint8_t format, 1850 uint8_t nvt_blk, uint32_t nvt_idx, 1851 bool cam_ignore, uint8_t priority, 1852 uint32_t logic_serv, 1853 XiveTCTXMatch *match) 1854 { 1855 PnvMachineState *pnv = PNV_MACHINE(xfb); 1856 int total_count = 0; 1857 int i; 1858 1859 for (i = 0; i < pnv->num_chips; i++) { 1860 Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]); 1861 XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive); 1862 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); 1863 int count; 1864 1865 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, 1866 priority, logic_serv, match); 1867 1868 if (count < 0) { 1869 return count; 1870 } 1871 1872 total_count += count; 1873 } 1874 1875 return total_count; 1876 } 1877 1878 static void pnv_machine_power8_class_init(ObjectClass *oc, void *data) 1879 { 1880 MachineClass *mc = MACHINE_CLASS(oc); 1881 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); 1882 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 1883 static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv"; 1884 1885 mc->desc = "IBM PowerNV (Non-Virtualized) POWER8"; 1886 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); 1887 1888 xic->icp_get = pnv_icp_get; 1889 xic->ics_get = pnv_ics_get; 1890 xic->ics_resend = pnv_ics_resend; 1891 1892 pmc->compat = compat; 1893 pmc->compat_size = sizeof(compat); 1894 } 1895 1896 static void pnv_machine_power9_class_init(ObjectClass *oc, void *data) 1897 { 1898 MachineClass *mc = MACHINE_CLASS(oc); 1899 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); 1900 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 1901 static const char compat[] = "qemu,powernv9\0ibm,powernv"; 1902 1903 mc->desc = "IBM PowerNV (Non-Virtualized) POWER9"; 1904 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0"); 1905 xfc->match_nvt = pnv_match_nvt; 1906 1907 mc->alias = "powernv"; 1908 1909 pmc->compat = compat; 1910 pmc->compat_size = sizeof(compat); 1911 pmc->dt_power_mgt = pnv_dt_power_mgt; 1912 } 1913 1914 static void pnv_machine_power10_class_init(ObjectClass *oc, void *data) 1915 { 1916 MachineClass *mc = MACHINE_CLASS(oc); 1917 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 1918 static const char compat[] = "qemu,powernv10\0ibm,powernv"; 1919 1920 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10"; 1921 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v1.0"); 1922 1923 pmc->compat = compat; 1924 pmc->compat_size = sizeof(compat); 1925 pmc->dt_power_mgt = pnv_dt_power_mgt; 1926 } 1927 1928 static bool pnv_machine_get_hb(Object *obj, Error **errp) 1929 { 1930 PnvMachineState *pnv = PNV_MACHINE(obj); 1931 1932 return !!pnv->fw_load_addr; 1933 } 1934 1935 static void pnv_machine_set_hb(Object *obj, bool value, Error **errp) 1936 { 1937 PnvMachineState *pnv = PNV_MACHINE(obj); 1938 1939 if (value) { 1940 pnv->fw_load_addr = 0x8000000; 1941 } 1942 } 1943 1944 static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) 1945 { 1946 PowerPCCPU *cpu = POWERPC_CPU(cs); 1947 CPUPPCState *env = &cpu->env; 1948 1949 cpu_synchronize_state(cs); 1950 ppc_cpu_do_system_reset(cs); 1951 if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) { 1952 /* 1953 * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the 1954 * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100 1955 * (PPC_BIT(43)). 1956 */ 1957 if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) { 1958 warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason"); 1959 env->spr[SPR_SRR1] |= SRR1_WAKERESET; 1960 } 1961 } else { 1962 /* 1963 * For non-powersave system resets, SRR1[42:45] are defined to be 1964 * implementation-dependent. The POWER9 User Manual specifies that 1965 * an external (SCOM driven, which may come from a BMC nmi command or 1966 * another CPU requesting a NMI IPI) system reset exception should be 1967 * 0b0010 (PPC_BIT(44)). 1968 */ 1969 env->spr[SPR_SRR1] |= SRR1_WAKESCOM; 1970 } 1971 } 1972 1973 static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) 1974 { 1975 CPUState *cs; 1976 1977 CPU_FOREACH(cs) { 1978 async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); 1979 } 1980 } 1981 1982 static void pnv_machine_class_init(ObjectClass *oc, void *data) 1983 { 1984 MachineClass *mc = MACHINE_CLASS(oc); 1985 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); 1986 NMIClass *nc = NMI_CLASS(oc); 1987 1988 mc->desc = "IBM PowerNV (Non-Virtualized)"; 1989 mc->init = pnv_init; 1990 mc->reset = pnv_reset; 1991 mc->max_cpus = MAX_CPUS; 1992 /* Pnv provides a AHCI device for storage */ 1993 mc->block_default_type = IF_IDE; 1994 mc->no_parallel = 1; 1995 mc->default_boot_order = NULL; 1996 /* 1997 * RAM defaults to less than 2048 for 32-bit hosts, and large 1998 * enough to fit the maximum initrd size at it's load address 1999 */ 2000 mc->default_ram_size = 1 * GiB; 2001 mc->default_ram_id = "pnv.ram"; 2002 ispc->print_info = pnv_pic_print_info; 2003 nc->nmi_monitor_handler = pnv_nmi; 2004 2005 object_class_property_add_bool(oc, "hb-mode", 2006 pnv_machine_get_hb, pnv_machine_set_hb); 2007 object_class_property_set_description(oc, "hb-mode", 2008 "Use a hostboot like boot loader"); 2009 } 2010 2011 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \ 2012 { \ 2013 .name = type, \ 2014 .class_init = class_initfn, \ 2015 .parent = TYPE_PNV8_CHIP, \ 2016 } 2017 2018 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \ 2019 { \ 2020 .name = type, \ 2021 .class_init = class_initfn, \ 2022 .parent = TYPE_PNV9_CHIP, \ 2023 } 2024 2025 #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \ 2026 { \ 2027 .name = type, \ 2028 .class_init = class_initfn, \ 2029 .parent = TYPE_PNV10_CHIP, \ 2030 } 2031 2032 static const TypeInfo types[] = { 2033 { 2034 .name = MACHINE_TYPE_NAME("powernv10"), 2035 .parent = TYPE_PNV_MACHINE, 2036 .class_init = pnv_machine_power10_class_init, 2037 }, 2038 { 2039 .name = MACHINE_TYPE_NAME("powernv9"), 2040 .parent = TYPE_PNV_MACHINE, 2041 .class_init = pnv_machine_power9_class_init, 2042 .interfaces = (InterfaceInfo[]) { 2043 { TYPE_XIVE_FABRIC }, 2044 { }, 2045 }, 2046 }, 2047 { 2048 .name = MACHINE_TYPE_NAME("powernv8"), 2049 .parent = TYPE_PNV_MACHINE, 2050 .class_init = pnv_machine_power8_class_init, 2051 .interfaces = (InterfaceInfo[]) { 2052 { TYPE_XICS_FABRIC }, 2053 { }, 2054 }, 2055 }, 2056 { 2057 .name = TYPE_PNV_MACHINE, 2058 .parent = TYPE_MACHINE, 2059 .abstract = true, 2060 .instance_size = sizeof(PnvMachineState), 2061 .class_init = pnv_machine_class_init, 2062 .class_size = sizeof(PnvMachineClass), 2063 .interfaces = (InterfaceInfo[]) { 2064 { TYPE_INTERRUPT_STATS_PROVIDER }, 2065 { TYPE_NMI }, 2066 { }, 2067 }, 2068 }, 2069 { 2070 .name = TYPE_PNV_CHIP, 2071 .parent = TYPE_SYS_BUS_DEVICE, 2072 .class_init = pnv_chip_class_init, 2073 .instance_size = sizeof(PnvChip), 2074 .class_size = sizeof(PnvChipClass), 2075 .abstract = true, 2076 }, 2077 2078 /* 2079 * P10 chip and variants 2080 */ 2081 { 2082 .name = TYPE_PNV10_CHIP, 2083 .parent = TYPE_PNV_CHIP, 2084 .instance_init = pnv_chip_power10_instance_init, 2085 .instance_size = sizeof(Pnv10Chip), 2086 }, 2087 DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init), 2088 2089 /* 2090 * P9 chip and variants 2091 */ 2092 { 2093 .name = TYPE_PNV9_CHIP, 2094 .parent = TYPE_PNV_CHIP, 2095 .instance_init = pnv_chip_power9_instance_init, 2096 .instance_size = sizeof(Pnv9Chip), 2097 }, 2098 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), 2099 2100 /* 2101 * P8 chip and variants 2102 */ 2103 { 2104 .name = TYPE_PNV8_CHIP, 2105 .parent = TYPE_PNV_CHIP, 2106 .instance_init = pnv_chip_power8_instance_init, 2107 .instance_size = sizeof(Pnv8Chip), 2108 }, 2109 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), 2110 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), 2111 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, 2112 pnv_chip_power8nvl_class_init), 2113 }; 2114 2115 DEFINE_TYPES(types) 2116