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/datadir.h" 22 #include "qemu/units.h" 23 #include "qemu/cutils.h" 24 #include "qapi/error.h" 25 #include "sysemu/qtest.h" 26 #include "sysemu/sysemu.h" 27 #include "sysemu/numa.h" 28 #include "sysemu/reset.h" 29 #include "sysemu/runstate.h" 30 #include "sysemu/cpus.h" 31 #include "sysemu/device_tree.h" 32 #include "sysemu/hw_accel.h" 33 #include "target/ppc/cpu.h" 34 #include "hw/ppc/fdt.h" 35 #include "hw/ppc/ppc.h" 36 #include "hw/ppc/pnv.h" 37 #include "hw/ppc/pnv_core.h" 38 #include "hw/loader.h" 39 #include "hw/nmi.h" 40 #include "qapi/visitor.h" 41 #include "monitor/monitor.h" 42 #include "hw/intc/intc.h" 43 #include "hw/ipmi/ipmi.h" 44 #include "target/ppc/mmu-hash64.h" 45 #include "hw/pci/msi.h" 46 #include "hw/pci-host/pnv_phb.h" 47 48 #include "hw/ppc/xics.h" 49 #include "hw/qdev-properties.h" 50 #include "hw/ppc/pnv_xscom.h" 51 #include "hw/ppc/pnv_pnor.h" 52 53 #include "hw/isa/isa.h" 54 #include "hw/char/serial.h" 55 #include "hw/rtc/mc146818rtc.h" 56 57 #include <libfdt.h> 58 59 #define FDT_MAX_SIZE (1 * MiB) 60 61 #define FW_FILE_NAME "skiboot.lid" 62 #define FW_LOAD_ADDR 0x0 63 #define FW_MAX_SIZE (16 * MiB) 64 65 #define KERNEL_LOAD_ADDR 0x20000000 66 #define KERNEL_MAX_SIZE (128 * MiB) 67 #define INITRD_LOAD_ADDR 0x28000000 68 #define INITRD_MAX_SIZE (128 * MiB) 69 70 static const char *pnv_chip_core_typename(const PnvChip *o) 71 { 72 const char *chip_type = object_class_get_name(object_get_class(OBJECT(o))); 73 int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX); 74 char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type); 75 const char *core_type = object_class_get_name(object_class_by_name(s)); 76 g_free(s); 77 return core_type; 78 } 79 80 /* 81 * On Power Systems E880 (POWER8), the max cpus (threads) should be : 82 * 4 * 4 sockets * 12 cores * 8 threads = 1536 83 * Let's make it 2^11 84 */ 85 #define MAX_CPUS 2048 86 87 /* 88 * Memory nodes are created by hostboot, one for each range of memory 89 * that has a different "affinity". In practice, it means one range 90 * per chip. 91 */ 92 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size) 93 { 94 char *mem_name; 95 uint64_t mem_reg_property[2]; 96 int off; 97 98 mem_reg_property[0] = cpu_to_be64(start); 99 mem_reg_property[1] = cpu_to_be64(size); 100 101 mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start); 102 off = fdt_add_subnode(fdt, 0, mem_name); 103 g_free(mem_name); 104 105 _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 106 _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 107 sizeof(mem_reg_property)))); 108 _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id))); 109 } 110 111 static int get_cpus_node(void *fdt) 112 { 113 int cpus_offset = fdt_path_offset(fdt, "/cpus"); 114 115 if (cpus_offset < 0) { 116 cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); 117 if (cpus_offset) { 118 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); 119 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); 120 } 121 } 122 _FDT(cpus_offset); 123 return cpus_offset; 124 } 125 126 /* 127 * The PowerNV cores (and threads) need to use real HW ids and not an 128 * incremental index like it has been done on other platforms. This HW 129 * id is stored in the CPU PIR, it is used to create cpu nodes in the 130 * device tree, used in XSCOM to address cores and in interrupt 131 * servers. 132 */ 133 static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) 134 { 135 PowerPCCPU *cpu = pc->threads[0]; 136 CPUState *cs = CPU(cpu); 137 DeviceClass *dc = DEVICE_GET_CLASS(cs); 138 int smt_threads = CPU_CORE(pc)->nr_threads; 139 CPUPPCState *env = &cpu->env; 140 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 141 g_autofree uint32_t *servers_prop = g_new(uint32_t, smt_threads); 142 int i; 143 uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 144 0xffffffff, 0xffffffff}; 145 uint32_t tbfreq = PNV_TIMEBASE_FREQ; 146 uint32_t cpufreq = 1000000000; 147 uint32_t page_sizes_prop[64]; 148 size_t page_sizes_prop_size; 149 const uint8_t pa_features[] = { 24, 0, 150 0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0, 151 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 152 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 153 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 }; 154 int offset; 155 char *nodename; 156 int cpus_offset = get_cpus_node(fdt); 157 158 nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir); 159 offset = fdt_add_subnode(fdt, cpus_offset, nodename); 160 _FDT(offset); 161 g_free(nodename); 162 163 _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id))); 164 165 _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir))); 166 _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir))); 167 _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); 168 169 _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); 170 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", 171 env->dcache_line_size))); 172 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", 173 env->dcache_line_size))); 174 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", 175 env->icache_line_size))); 176 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", 177 env->icache_line_size))); 178 179 if (pcc->l1_dcache_size) { 180 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", 181 pcc->l1_dcache_size))); 182 } else { 183 warn_report("Unknown L1 dcache size for cpu"); 184 } 185 if (pcc->l1_icache_size) { 186 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", 187 pcc->l1_icache_size))); 188 } else { 189 warn_report("Unknown L1 icache size for cpu"); 190 } 191 192 _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); 193 _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); 194 _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", 195 cpu->hash64_opts->slb_size))); 196 _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); 197 _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); 198 199 if (ppc_has_spr(cpu, SPR_PURR)) { 200 _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); 201 } 202 203 if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { 204 _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", 205 segs, sizeof(segs)))); 206 } 207 208 /* 209 * Advertise VMX/VSX (vector extensions) if available 210 * 0 / no property == no vector extensions 211 * 1 == VMX / Altivec available 212 * 2 == VSX available 213 */ 214 if (env->insns_flags & PPC_ALTIVEC) { 215 uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 216 217 _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); 218 } 219 220 /* 221 * Advertise DFP (Decimal Floating Point) if available 222 * 0 / no property == no DFP 223 * 1 == DFP available 224 */ 225 if (env->insns_flags2 & PPC2_DFP) { 226 _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); 227 } 228 229 page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop, 230 sizeof(page_sizes_prop)); 231 if (page_sizes_prop_size) { 232 _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", 233 page_sizes_prop, page_sizes_prop_size))); 234 } 235 236 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", 237 pa_features, sizeof(pa_features)))); 238 239 /* Build interrupt servers properties */ 240 for (i = 0; i < smt_threads; i++) { 241 servers_prop[i] = cpu_to_be32(pc->pir + i); 242 } 243 _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 244 servers_prop, sizeof(*servers_prop) * smt_threads))); 245 } 246 247 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir, 248 uint32_t nr_threads) 249 { 250 uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12); 251 char *name; 252 const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp"; 253 uint32_t irange[2], i, rsize; 254 uint64_t *reg; 255 int offset; 256 257 irange[0] = cpu_to_be32(pir); 258 irange[1] = cpu_to_be32(nr_threads); 259 260 rsize = sizeof(uint64_t) * 2 * nr_threads; 261 reg = g_malloc(rsize); 262 for (i = 0; i < nr_threads; i++) { 263 reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000)); 264 reg[i * 2 + 1] = cpu_to_be64(0x1000); 265 } 266 267 name = g_strdup_printf("interrupt-controller@%"PRIX64, addr); 268 offset = fdt_add_subnode(fdt, 0, name); 269 _FDT(offset); 270 g_free(name); 271 272 _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat)))); 273 _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize))); 274 _FDT((fdt_setprop_string(fdt, offset, "device_type", 275 "PowerPC-External-Interrupt-Presentation"))); 276 _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0))); 277 _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges", 278 irange, sizeof(irange)))); 279 _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1))); 280 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0))); 281 g_free(reg); 282 } 283 284 static PnvPhb4PecState *pnv_phb4_get_pec(PnvChip *chip, PnvPHB4 *phb, 285 Error **errp) 286 { 287 PnvPHB *phb_base = phb->phb_base; 288 PnvPhb4PecState *pecs = NULL; 289 int chip_id = phb->chip_id; 290 int index = phb->phb_id; 291 int i, j; 292 293 if (phb_base->version == 4) { 294 Pnv9Chip *chip9 = PNV9_CHIP(chip); 295 296 pecs = chip9->pecs; 297 } else if (phb_base->version == 5) { 298 Pnv10Chip *chip10 = PNV10_CHIP(chip); 299 300 pecs = chip10->pecs; 301 } else { 302 g_assert_not_reached(); 303 } 304 305 for (i = 0; i < chip->num_pecs; i++) { 306 /* 307 * For each PEC, check the amount of phbs it supports 308 * and see if the given phb4 index matches an index. 309 */ 310 PnvPhb4PecState *pec = &pecs[i]; 311 312 for (j = 0; j < pec->num_phbs; j++) { 313 if (index == pnv_phb4_pec_get_phb_id(pec, j)) { 314 return pec; 315 } 316 } 317 } 318 error_setg(errp, 319 "pnv-phb4 chip-id %d index %d didn't match any existing PEC", 320 chip_id, index); 321 322 return NULL; 323 } 324 325 /* 326 * Adds a PnvPHB to the chip. Returns the parent obj of the 327 * PHB which varies with each version (phb version 3 is parented 328 * by the chip, version 4 and 5 are parented by the PEC 329 * device). 330 * 331 * TODO: for version 3 we're still parenting the PHB with the 332 * chip. We should parent with a (so far not implemented) 333 * PHB3 PEC device. 334 */ 335 Object *pnv_chip_add_phb(PnvChip *chip, PnvPHB *phb, Error **errp) 336 { 337 if (phb->version == 3) { 338 Pnv8Chip *chip8 = PNV8_CHIP(chip); 339 340 phb->chip = chip; 341 342 chip8->phbs[chip8->num_phbs] = phb; 343 chip8->num_phbs++; 344 345 return OBJECT(chip); 346 } 347 348 phb->pec = pnv_phb4_get_pec(chip, PNV_PHB4(phb->backend), errp); 349 350 return OBJECT(phb->pec); 351 } 352 353 static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt) 354 { 355 static const char compat[] = "ibm,power8-xscom\0ibm,xscom"; 356 int i; 357 358 pnv_dt_xscom(chip, fdt, 0, 359 cpu_to_be64(PNV_XSCOM_BASE(chip)), 360 cpu_to_be64(PNV_XSCOM_SIZE), 361 compat, sizeof(compat)); 362 363 for (i = 0; i < chip->nr_cores; i++) { 364 PnvCore *pnv_core = chip->cores[i]; 365 366 pnv_dt_core(chip, pnv_core, fdt); 367 368 /* Interrupt Control Presenters (ICP). One per core. */ 369 pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads); 370 } 371 372 if (chip->ram_size) { 373 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 374 } 375 } 376 377 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) 378 { 379 static const char compat[] = "ibm,power9-xscom\0ibm,xscom"; 380 int i; 381 382 pnv_dt_xscom(chip, fdt, 0, 383 cpu_to_be64(PNV9_XSCOM_BASE(chip)), 384 cpu_to_be64(PNV9_XSCOM_SIZE), 385 compat, sizeof(compat)); 386 387 for (i = 0; i < chip->nr_cores; i++) { 388 PnvCore *pnv_core = chip->cores[i]; 389 390 pnv_dt_core(chip, pnv_core, fdt); 391 } 392 393 if (chip->ram_size) { 394 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 395 } 396 397 pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE); 398 } 399 400 static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) 401 { 402 static const char compat[] = "ibm,power10-xscom\0ibm,xscom"; 403 int i; 404 405 pnv_dt_xscom(chip, fdt, 0, 406 cpu_to_be64(PNV10_XSCOM_BASE(chip)), 407 cpu_to_be64(PNV10_XSCOM_SIZE), 408 compat, sizeof(compat)); 409 410 for (i = 0; i < chip->nr_cores; i++) { 411 PnvCore *pnv_core = chip->cores[i]; 412 413 pnv_dt_core(chip, pnv_core, fdt); 414 } 415 416 if (chip->ram_size) { 417 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); 418 } 419 420 pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE); 421 } 422 423 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) 424 { 425 uint32_t io_base = d->ioport_id; 426 uint32_t io_regs[] = { 427 cpu_to_be32(1), 428 cpu_to_be32(io_base), 429 cpu_to_be32(2) 430 }; 431 char *name; 432 int node; 433 434 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 435 node = fdt_add_subnode(fdt, lpc_off, name); 436 _FDT(node); 437 g_free(name); 438 439 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 440 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00"))); 441 } 442 443 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off) 444 { 445 const char compatible[] = "ns16550\0pnpPNP,501"; 446 uint32_t io_base = d->ioport_id; 447 uint32_t io_regs[] = { 448 cpu_to_be32(1), 449 cpu_to_be32(io_base), 450 cpu_to_be32(8) 451 }; 452 uint32_t irq; 453 char *name; 454 int node; 455 456 irq = object_property_get_uint(OBJECT(d), "irq", &error_fatal); 457 458 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 459 node = fdt_add_subnode(fdt, lpc_off, name); 460 _FDT(node); 461 g_free(name); 462 463 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 464 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 465 sizeof(compatible)))); 466 467 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200))); 468 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200))); 469 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); 470 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 471 fdt_get_phandle(fdt, lpc_off)))); 472 473 /* This is needed by Linux */ 474 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial"))); 475 } 476 477 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off) 478 { 479 const char compatible[] = "bt\0ipmi-bt"; 480 uint32_t io_base; 481 uint32_t io_regs[] = { 482 cpu_to_be32(1), 483 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */ 484 cpu_to_be32(3) 485 }; 486 uint32_t irq; 487 char *name; 488 int node; 489 490 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal); 491 io_regs[1] = cpu_to_be32(io_base); 492 493 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal); 494 495 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); 496 node = fdt_add_subnode(fdt, lpc_off, name); 497 _FDT(node); 498 g_free(name); 499 500 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); 501 _FDT((fdt_setprop(fdt, node, "compatible", compatible, 502 sizeof(compatible)))); 503 504 /* Mark it as reserved to avoid Linux trying to claim it */ 505 _FDT((fdt_setprop_string(fdt, node, "status", "reserved"))); 506 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); 507 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", 508 fdt_get_phandle(fdt, lpc_off)))); 509 } 510 511 typedef struct ForeachPopulateArgs { 512 void *fdt; 513 int offset; 514 } ForeachPopulateArgs; 515 516 static int pnv_dt_isa_device(DeviceState *dev, void *opaque) 517 { 518 ForeachPopulateArgs *args = opaque; 519 ISADevice *d = ISA_DEVICE(dev); 520 521 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) { 522 pnv_dt_rtc(d, args->fdt, args->offset); 523 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) { 524 pnv_dt_serial(d, args->fdt, args->offset); 525 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) { 526 pnv_dt_ipmi_bt(d, args->fdt, args->offset); 527 } else { 528 error_report("unknown isa device %s@i%x", qdev_fw_name(dev), 529 d->ioport_id); 530 } 531 532 return 0; 533 } 534 535 /* 536 * The default LPC bus of a multichip system is on chip 0. It's 537 * recognized by the firmware (skiboot) using a "primary" property. 538 */ 539 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) 540 { 541 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename); 542 ForeachPopulateArgs args = { 543 .fdt = fdt, 544 .offset = isa_offset, 545 }; 546 uint32_t phandle; 547 548 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0))); 549 550 phandle = qemu_fdt_alloc_phandle(fdt); 551 assert(phandle > 0); 552 _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle))); 553 554 /* 555 * ISA devices are not necessarily parented to the ISA bus so we 556 * can not use object_child_foreach() 557 */ 558 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, 559 &args); 560 } 561 562 static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt) 563 { 564 int off; 565 566 off = fdt_add_subnode(fdt, 0, "ibm,opal"); 567 off = fdt_add_subnode(fdt, off, "power-mgt"); 568 569 _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000)); 570 } 571 572 static void *pnv_dt_create(MachineState *machine) 573 { 574 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); 575 PnvMachineState *pnv = PNV_MACHINE(machine); 576 void *fdt; 577 char *buf; 578 int off; 579 int i; 580 581 fdt = g_malloc0(FDT_MAX_SIZE); 582 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); 583 584 /* /qemu node */ 585 _FDT((fdt_add_subnode(fdt, 0, "qemu"))); 586 587 /* Root node */ 588 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2))); 589 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2))); 590 _FDT((fdt_setprop_string(fdt, 0, "model", 591 "IBM PowerNV (emulated by qemu)"))); 592 _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size))); 593 594 buf = qemu_uuid_unparse_strdup(&qemu_uuid); 595 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf))); 596 if (qemu_uuid_set) { 597 _FDT((fdt_setprop_string(fdt, 0, "system-id", buf))); 598 } 599 g_free(buf); 600 601 off = fdt_add_subnode(fdt, 0, "chosen"); 602 if (machine->kernel_cmdline) { 603 _FDT((fdt_setprop_string(fdt, off, "bootargs", 604 machine->kernel_cmdline))); 605 } 606 607 if (pnv->initrd_size) { 608 uint32_t start_prop = cpu_to_be32(pnv->initrd_base); 609 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size); 610 611 _FDT((fdt_setprop(fdt, off, "linux,initrd-start", 612 &start_prop, sizeof(start_prop)))); 613 _FDT((fdt_setprop(fdt, off, "linux,initrd-end", 614 &end_prop, sizeof(end_prop)))); 615 } 616 617 /* Populate device tree for each chip */ 618 for (i = 0; i < pnv->num_chips; i++) { 619 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt); 620 } 621 622 /* Populate ISA devices on chip 0 */ 623 pnv_dt_isa(pnv, fdt); 624 625 if (pnv->bmc) { 626 pnv_dt_bmc_sensors(pnv->bmc, fdt); 627 } 628 629 /* Create an extra node for power management on machines that support it */ 630 if (pmc->dt_power_mgt) { 631 pmc->dt_power_mgt(pnv, fdt); 632 } 633 634 return fdt; 635 } 636 637 static void pnv_powerdown_notify(Notifier *n, void *opaque) 638 { 639 PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier); 640 641 if (pnv->bmc) { 642 pnv_bmc_powerdown(pnv->bmc); 643 } 644 } 645 646 static void pnv_reset(MachineState *machine) 647 { 648 PnvMachineState *pnv = PNV_MACHINE(machine); 649 IPMIBmc *bmc; 650 void *fdt; 651 652 qemu_devices_reset(); 653 654 /* 655 * The machine should provide by default an internal BMC simulator. 656 * If not, try to use the BMC device that was provided on the command 657 * line. 658 */ 659 bmc = pnv_bmc_find(&error_fatal); 660 if (!pnv->bmc) { 661 if (!bmc) { 662 if (!qtest_enabled()) { 663 warn_report("machine has no BMC device. Use '-device " 664 "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' " 665 "to define one"); 666 } 667 } else { 668 pnv_bmc_set_pnor(bmc, pnv->pnor); 669 pnv->bmc = bmc; 670 } 671 } 672 673 fdt = pnv_dt_create(machine); 674 675 /* Pack resulting tree */ 676 _FDT((fdt_pack(fdt))); 677 678 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 679 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); 680 681 /* 682 * Set machine->fdt for 'dumpdtb' QMP/HMP command. Free 683 * the existing machine->fdt to avoid leaking it during 684 * a reset. 685 */ 686 g_free(machine->fdt); 687 machine->fdt = fdt; 688 } 689 690 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) 691 { 692 Pnv8Chip *chip8 = PNV8_CHIP(chip); 693 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_EXTERNAL); 694 695 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); 696 return pnv_lpc_isa_create(&chip8->lpc, true, errp); 697 } 698 699 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) 700 { 701 Pnv8Chip *chip8 = PNV8_CHIP(chip); 702 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_LPC_I2C); 703 704 qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); 705 return pnv_lpc_isa_create(&chip8->lpc, false, errp); 706 } 707 708 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) 709 { 710 Pnv9Chip *chip9 = PNV9_CHIP(chip); 711 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip9->psi), PSIHB9_IRQ_LPCHC); 712 713 qdev_connect_gpio_out(DEVICE(&chip9->lpc), 0, irq); 714 return pnv_lpc_isa_create(&chip9->lpc, false, errp); 715 } 716 717 static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) 718 { 719 Pnv10Chip *chip10 = PNV10_CHIP(chip); 720 qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_LPCHC); 721 722 qdev_connect_gpio_out(DEVICE(&chip10->lpc), 0, irq); 723 return pnv_lpc_isa_create(&chip10->lpc, false, errp); 724 } 725 726 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) 727 { 728 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); 729 } 730 731 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon) 732 { 733 Pnv8Chip *chip8 = PNV8_CHIP(chip); 734 int i; 735 736 ics_pic_print_info(&chip8->psi.ics, mon); 737 738 for (i = 0; i < chip8->num_phbs; i++) { 739 PnvPHB *phb = chip8->phbs[i]; 740 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 741 742 pnv_phb3_msi_pic_print_info(&phb3->msis, mon); 743 ics_pic_print_info(&phb3->lsis, mon); 744 } 745 } 746 747 static int pnv_chip_power9_pic_print_info_child(Object *child, void *opaque) 748 { 749 Monitor *mon = opaque; 750 PnvPHB *phb = (PnvPHB *) object_dynamic_cast(child, TYPE_PNV_PHB); 751 752 if (!phb) { 753 return 0; 754 } 755 756 pnv_phb4_pic_print_info(PNV_PHB4(phb->backend), mon); 757 758 return 0; 759 } 760 761 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon) 762 { 763 Pnv9Chip *chip9 = PNV9_CHIP(chip); 764 765 pnv_xive_pic_print_info(&chip9->xive, mon); 766 pnv_psi_pic_print_info(&chip9->psi, mon); 767 768 object_child_foreach_recursive(OBJECT(chip), 769 pnv_chip_power9_pic_print_info_child, mon); 770 } 771 772 static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip, 773 uint32_t core_id) 774 { 775 return PNV_XSCOM_EX_BASE(core_id); 776 } 777 778 static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip, 779 uint32_t core_id) 780 { 781 return PNV9_XSCOM_EC_BASE(core_id); 782 } 783 784 static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip, 785 uint32_t core_id) 786 { 787 return PNV10_XSCOM_EC_BASE(core_id); 788 } 789 790 static bool pnv_match_cpu(const char *default_type, const char *cpu_type) 791 { 792 PowerPCCPUClass *ppc_default = 793 POWERPC_CPU_CLASS(object_class_by_name(default_type)); 794 PowerPCCPUClass *ppc = 795 POWERPC_CPU_CLASS(object_class_by_name(cpu_type)); 796 797 return ppc_default->pvr_match(ppc_default, ppc->pvr, false); 798 } 799 800 static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq) 801 { 802 ISADevice *dev = isa_new("isa-ipmi-bt"); 803 804 object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal); 805 object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal); 806 isa_realize_and_unref(dev, bus, &error_fatal); 807 } 808 809 static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon) 810 { 811 Pnv10Chip *chip10 = PNV10_CHIP(chip); 812 813 pnv_xive2_pic_print_info(&chip10->xive, mon); 814 pnv_psi_pic_print_info(&chip10->psi, mon); 815 816 object_child_foreach_recursive(OBJECT(chip), 817 pnv_chip_power9_pic_print_info_child, mon); 818 } 819 820 /* Always give the first 1GB to chip 0 else we won't boot */ 821 static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id) 822 { 823 MachineState *machine = MACHINE(pnv); 824 uint64_t ram_per_chip; 825 826 assert(machine->ram_size >= 1 * GiB); 827 828 ram_per_chip = machine->ram_size / pnv->num_chips; 829 if (ram_per_chip >= 1 * GiB) { 830 return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); 831 } 832 833 assert(pnv->num_chips > 1); 834 835 ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1); 836 return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); 837 } 838 839 static void pnv_init(MachineState *machine) 840 { 841 const char *bios_name = machine->firmware ?: FW_FILE_NAME; 842 PnvMachineState *pnv = PNV_MACHINE(machine); 843 MachineClass *mc = MACHINE_GET_CLASS(machine); 844 char *fw_filename; 845 long fw_size; 846 uint64_t chip_ram_start = 0; 847 int i; 848 char *chip_typename; 849 DriveInfo *pnor = drive_get(IF_MTD, 0, 0); 850 DeviceState *dev; 851 852 if (kvm_enabled()) { 853 error_report("The powernv machine does not work with KVM acceleration"); 854 exit(EXIT_FAILURE); 855 } 856 857 /* allocate RAM */ 858 if (machine->ram_size < mc->default_ram_size) { 859 char *sz = size_to_str(mc->default_ram_size); 860 error_report("Invalid RAM size, should be bigger than %s", sz); 861 g_free(sz); 862 exit(EXIT_FAILURE); 863 } 864 memory_region_add_subregion(get_system_memory(), 0, machine->ram); 865 866 /* 867 * Create our simple PNOR device 868 */ 869 dev = qdev_new(TYPE_PNV_PNOR); 870 if (pnor) { 871 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor)); 872 } 873 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 874 pnv->pnor = PNV_PNOR(dev); 875 876 /* load skiboot firmware */ 877 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 878 if (!fw_filename) { 879 error_report("Could not find OPAL firmware '%s'", bios_name); 880 exit(1); 881 } 882 883 fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE); 884 if (fw_size < 0) { 885 error_report("Could not load OPAL firmware '%s'", fw_filename); 886 exit(1); 887 } 888 g_free(fw_filename); 889 890 /* load kernel */ 891 if (machine->kernel_filename) { 892 long kernel_size; 893 894 kernel_size = load_image_targphys(machine->kernel_filename, 895 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE); 896 if (kernel_size < 0) { 897 error_report("Could not load kernel '%s'", 898 machine->kernel_filename); 899 exit(1); 900 } 901 } 902 903 /* load initrd */ 904 if (machine->initrd_filename) { 905 pnv->initrd_base = INITRD_LOAD_ADDR; 906 pnv->initrd_size = load_image_targphys(machine->initrd_filename, 907 pnv->initrd_base, INITRD_MAX_SIZE); 908 if (pnv->initrd_size < 0) { 909 error_report("Could not load initial ram disk '%s'", 910 machine->initrd_filename); 911 exit(1); 912 } 913 } 914 915 /* MSIs are supported on this platform */ 916 msi_nonbroken = true; 917 918 /* 919 * Check compatibility of the specified CPU with the machine 920 * default. 921 */ 922 if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) { 923 error_report("invalid CPU model '%s' for %s machine", 924 machine->cpu_type, mc->name); 925 exit(1); 926 } 927 928 /* Create the processor chips */ 929 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX); 930 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"), 931 i, machine->cpu_type); 932 if (!object_class_by_name(chip_typename)) { 933 error_report("invalid chip model '%.*s' for %s machine", 934 i, machine->cpu_type, mc->name); 935 exit(1); 936 } 937 938 pnv->num_chips = 939 machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads); 940 /* 941 * TODO: should we decide on how many chips we can create based 942 * on #cores and Venice vs. Murano vs. Naples chip type etc..., 943 */ 944 if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 16) { 945 error_report("invalid number of chips: '%d'", pnv->num_chips); 946 error_printf( 947 "Try '-smp sockets=N'. Valid values are : 1, 2, 4, 8 and 16.\n"); 948 exit(1); 949 } 950 951 pnv->chips = g_new0(PnvChip *, pnv->num_chips); 952 for (i = 0; i < pnv->num_chips; i++) { 953 char chip_name[32]; 954 Object *chip = OBJECT(qdev_new(chip_typename)); 955 uint64_t chip_ram_size = pnv_chip_get_ram_size(pnv, i); 956 957 pnv->chips[i] = PNV_CHIP(chip); 958 959 /* Distribute RAM among the chips */ 960 object_property_set_int(chip, "ram-start", chip_ram_start, 961 &error_fatal); 962 object_property_set_int(chip, "ram-size", chip_ram_size, 963 &error_fatal); 964 chip_ram_start += chip_ram_size; 965 966 snprintf(chip_name, sizeof(chip_name), "chip[%d]", i); 967 object_property_add_child(OBJECT(pnv), chip_name, chip); 968 object_property_set_int(chip, "chip-id", i, &error_fatal); 969 object_property_set_int(chip, "nr-cores", machine->smp.cores, 970 &error_fatal); 971 object_property_set_int(chip, "nr-threads", machine->smp.threads, 972 &error_fatal); 973 /* 974 * The POWER8 machine use the XICS interrupt interface. 975 * Propagate the XICS fabric to the chip and its controllers. 976 */ 977 if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) { 978 object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort); 979 } 980 if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) { 981 object_property_set_link(chip, "xive-fabric", OBJECT(pnv), 982 &error_abort); 983 } 984 sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal); 985 } 986 g_free(chip_typename); 987 988 /* Instantiate ISA bus on chip 0 */ 989 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal); 990 991 /* Create serial port */ 992 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS); 993 994 /* Create an RTC ISA device too */ 995 mc146818_rtc_init(pnv->isa_bus, 2000, NULL); 996 997 /* 998 * Create the machine BMC simulator and the IPMI BT device for 999 * communication with the BMC 1000 */ 1001 if (defaults_enabled()) { 1002 pnv->bmc = pnv_bmc_create(pnv->pnor); 1003 pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10); 1004 } 1005 1006 /* 1007 * The PNOR is mapped on the LPC FW address space by the BMC. 1008 * Since we can not reach the remote BMC machine with LPC memops, 1009 * map it always for now. 1010 */ 1011 memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET, 1012 &pnv->pnor->mmio); 1013 1014 /* 1015 * OpenPOWER systems use a IPMI SEL Event message to notify the 1016 * host to powerdown 1017 */ 1018 pnv->powerdown_notifier.notify = pnv_powerdown_notify; 1019 qemu_register_powerdown_notifier(&pnv->powerdown_notifier); 1020 } 1021 1022 /* 1023 * 0:21 Reserved - Read as zeros 1024 * 22:24 Chip ID 1025 * 25:28 Core number 1026 * 29:31 Thread ID 1027 */ 1028 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id) 1029 { 1030 return (chip->chip_id << 7) | (core_id << 3); 1031 } 1032 1033 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1034 Error **errp) 1035 { 1036 Pnv8Chip *chip8 = PNV8_CHIP(chip); 1037 Error *local_err = NULL; 1038 Object *obj; 1039 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1040 1041 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err); 1042 if (local_err) { 1043 error_propagate(errp, local_err); 1044 return; 1045 } 1046 1047 pnv_cpu->intc = obj; 1048 } 1049 1050 1051 static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1052 { 1053 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1054 1055 icp_reset(ICP(pnv_cpu->intc)); 1056 } 1057 1058 static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1059 { 1060 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1061 1062 icp_destroy(ICP(pnv_cpu->intc)); 1063 pnv_cpu->intc = NULL; 1064 } 1065 1066 static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1067 Monitor *mon) 1068 { 1069 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); 1070 } 1071 1072 /* 1073 * 0:48 Reserved - Read as zeroes 1074 * 49:52 Node ID 1075 * 53:55 Chip ID 1076 * 56 Reserved - Read as zero 1077 * 57:61 Core number 1078 * 62:63 Thread ID 1079 * 1080 * We only care about the lower bits. uint32_t is fine for the moment. 1081 */ 1082 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id) 1083 { 1084 return (chip->chip_id << 8) | (core_id << 2); 1085 } 1086 1087 static uint32_t pnv_chip_core_pir_p10(PnvChip *chip, uint32_t core_id) 1088 { 1089 return (chip->chip_id << 8) | (core_id << 2); 1090 } 1091 1092 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1093 Error **errp) 1094 { 1095 Pnv9Chip *chip9 = PNV9_CHIP(chip); 1096 Error *local_err = NULL; 1097 Object *obj; 1098 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1099 1100 /* 1101 * The core creates its interrupt presenter but the XIVE interrupt 1102 * controller object is initialized afterwards. Hopefully, it's 1103 * only used at runtime. 1104 */ 1105 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive), 1106 &local_err); 1107 if (local_err) { 1108 error_propagate(errp, local_err); 1109 return; 1110 } 1111 1112 pnv_cpu->intc = obj; 1113 } 1114 1115 static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1116 { 1117 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1118 1119 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); 1120 } 1121 1122 static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1123 { 1124 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1125 1126 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); 1127 pnv_cpu->intc = NULL; 1128 } 1129 1130 static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1131 Monitor *mon) 1132 { 1133 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); 1134 } 1135 1136 static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu, 1137 Error **errp) 1138 { 1139 Pnv10Chip *chip10 = PNV10_CHIP(chip); 1140 Error *local_err = NULL; 1141 Object *obj; 1142 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1143 1144 /* 1145 * The core creates its interrupt presenter but the XIVE2 interrupt 1146 * controller object is initialized afterwards. Hopefully, it's 1147 * only used at runtime. 1148 */ 1149 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip10->xive), 1150 &local_err); 1151 if (local_err) { 1152 error_propagate(errp, local_err); 1153 return; 1154 } 1155 1156 pnv_cpu->intc = obj; 1157 } 1158 1159 static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu) 1160 { 1161 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1162 1163 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); 1164 } 1165 1166 static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) 1167 { 1168 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); 1169 1170 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); 1171 pnv_cpu->intc = NULL; 1172 } 1173 1174 static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, 1175 Monitor *mon) 1176 { 1177 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); 1178 } 1179 1180 /* 1181 * Allowed core identifiers on a POWER8 Processor Chip : 1182 * 1183 * <EX0 reserved> 1184 * EX1 - Venice only 1185 * EX2 - Venice only 1186 * EX3 - Venice only 1187 * EX4 1188 * EX5 1189 * EX6 1190 * <EX7,8 reserved> <reserved> 1191 * EX9 - Venice only 1192 * EX10 - Venice only 1193 * EX11 - Venice only 1194 * EX12 1195 * EX13 1196 * EX14 1197 * <EX15 reserved> 1198 */ 1199 #define POWER8E_CORE_MASK (0x7070ull) 1200 #define POWER8_CORE_MASK (0x7e7eull) 1201 1202 /* 1203 * POWER9 has 24 cores, ids starting at 0x0 1204 */ 1205 #define POWER9_CORE_MASK (0xffffffffffffffull) 1206 1207 1208 #define POWER10_CORE_MASK (0xffffffffffffffull) 1209 1210 static void pnv_chip_power8_instance_init(Object *obj) 1211 { 1212 Pnv8Chip *chip8 = PNV8_CHIP(obj); 1213 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1214 int i; 1215 1216 object_property_add_link(obj, "xics", TYPE_XICS_FABRIC, 1217 (Object **)&chip8->xics, 1218 object_property_allow_set_link, 1219 OBJ_PROP_LINK_STRONG); 1220 1221 object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI); 1222 1223 object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC); 1224 1225 object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC); 1226 1227 object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER); 1228 1229 if (defaults_enabled()) { 1230 chip8->num_phbs = pcc->num_phbs; 1231 1232 for (i = 0; i < chip8->num_phbs; i++) { 1233 Object *phb = object_new(TYPE_PNV_PHB); 1234 1235 /* 1236 * We need the chip to parent the PHB to allow the DT 1237 * to build correctly (via pnv_xscom_dt()). 1238 * 1239 * TODO: the PHB should be parented by a PEC device that, at 1240 * this moment, is not modelled powernv8/phb3. 1241 */ 1242 object_property_add_child(obj, "phb[*]", phb); 1243 chip8->phbs[i] = PNV_PHB(phb); 1244 } 1245 } 1246 1247 } 1248 1249 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) 1250 { 1251 PnvChip *chip = PNV_CHIP(chip8); 1252 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1253 int i, j; 1254 char *name; 1255 1256 name = g_strdup_printf("icp-%x", chip->chip_id); 1257 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); 1258 sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio); 1259 g_free(name); 1260 1261 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip)); 1262 1263 /* Map the ICP registers for each thread */ 1264 for (i = 0; i < chip->nr_cores; i++) { 1265 PnvCore *pnv_core = chip->cores[i]; 1266 int core_hwid = CPU_CORE(pnv_core)->core_id; 1267 1268 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { 1269 uint32_t pir = pcc->core_pir(chip, core_hwid) + j; 1270 PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir)); 1271 1272 memory_region_add_subregion(&chip8->icp_mmio, pir << 12, 1273 &icp->mmio); 1274 } 1275 } 1276 } 1277 1278 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) 1279 { 1280 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1281 PnvChip *chip = PNV_CHIP(dev); 1282 Pnv8Chip *chip8 = PNV8_CHIP(dev); 1283 Pnv8Psi *psi8 = &chip8->psi; 1284 Error *local_err = NULL; 1285 int i; 1286 1287 assert(chip8->xics); 1288 1289 /* XSCOM bridge is first */ 1290 pnv_xscom_realize(chip, PNV_XSCOM_SIZE, &local_err); 1291 if (local_err) { 1292 error_propagate(errp, local_err); 1293 return; 1294 } 1295 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip)); 1296 1297 pcc->parent_realize(dev, &local_err); 1298 if (local_err) { 1299 error_propagate(errp, local_err); 1300 return; 1301 } 1302 1303 /* Processor Service Interface (PSI) Host Bridge */ 1304 object_property_set_int(OBJECT(&chip8->psi), "bar", PNV_PSIHB_BASE(chip), 1305 &error_fatal); 1306 object_property_set_link(OBJECT(&chip8->psi), ICS_PROP_XICS, 1307 OBJECT(chip8->xics), &error_abort); 1308 if (!qdev_realize(DEVICE(&chip8->psi), NULL, errp)) { 1309 return; 1310 } 1311 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, 1312 &PNV_PSI(psi8)->xscom_regs); 1313 1314 /* Create LPC controller */ 1315 qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal); 1316 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); 1317 1318 chip->fw_mr = &chip8->lpc.isa_fw; 1319 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", 1320 (uint64_t) PNV_XSCOM_BASE(chip), 1321 PNV_XSCOM_LPC_BASE); 1322 1323 /* 1324 * Interrupt Management Area. This is the memory region holding 1325 * all the Interrupt Control Presenter (ICP) registers 1326 */ 1327 pnv_chip_icp_realize(chip8, &local_err); 1328 if (local_err) { 1329 error_propagate(errp, local_err); 1330 return; 1331 } 1332 1333 /* Create the simplified OCC model */ 1334 if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) { 1335 return; 1336 } 1337 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs); 1338 qdev_connect_gpio_out(DEVICE(&chip8->occ), 0, 1339 qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_OCC)); 1340 1341 /* OCC SRAM model */ 1342 memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip), 1343 &chip8->occ.sram_regs); 1344 1345 /* HOMER */ 1346 object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip), 1347 &error_abort); 1348 if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) { 1349 return; 1350 } 1351 /* Homer Xscom region */ 1352 pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs); 1353 1354 /* Homer mmio region */ 1355 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip), 1356 &chip8->homer.regs); 1357 1358 /* PHB controllers */ 1359 for (i = 0; i < chip8->num_phbs; i++) { 1360 PnvPHB *phb = chip8->phbs[i]; 1361 1362 object_property_set_int(OBJECT(phb), "index", i, &error_fatal); 1363 object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id, 1364 &error_fatal); 1365 object_property_set_link(OBJECT(phb), "chip", OBJECT(chip), 1366 &error_fatal); 1367 if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) { 1368 return; 1369 } 1370 } 1371 } 1372 1373 static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr) 1374 { 1375 addr &= (PNV_XSCOM_SIZE - 1); 1376 return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf); 1377 } 1378 1379 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) 1380 { 1381 DeviceClass *dc = DEVICE_CLASS(klass); 1382 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1383 1384 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */ 1385 k->cores_mask = POWER8E_CORE_MASK; 1386 k->num_phbs = 3; 1387 k->core_pir = pnv_chip_core_pir_p8; 1388 k->intc_create = pnv_chip_power8_intc_create; 1389 k->intc_reset = pnv_chip_power8_intc_reset; 1390 k->intc_destroy = pnv_chip_power8_intc_destroy; 1391 k->intc_print_info = pnv_chip_power8_intc_print_info; 1392 k->isa_create = pnv_chip_power8_isa_create; 1393 k->dt_populate = pnv_chip_power8_dt_populate; 1394 k->pic_print_info = pnv_chip_power8_pic_print_info; 1395 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1396 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1397 dc->desc = "PowerNV Chip POWER8E"; 1398 1399 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1400 &k->parent_realize); 1401 } 1402 1403 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) 1404 { 1405 DeviceClass *dc = DEVICE_CLASS(klass); 1406 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1407 1408 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ 1409 k->cores_mask = POWER8_CORE_MASK; 1410 k->num_phbs = 3; 1411 k->core_pir = pnv_chip_core_pir_p8; 1412 k->intc_create = pnv_chip_power8_intc_create; 1413 k->intc_reset = pnv_chip_power8_intc_reset; 1414 k->intc_destroy = pnv_chip_power8_intc_destroy; 1415 k->intc_print_info = pnv_chip_power8_intc_print_info; 1416 k->isa_create = pnv_chip_power8_isa_create; 1417 k->dt_populate = pnv_chip_power8_dt_populate; 1418 k->pic_print_info = pnv_chip_power8_pic_print_info; 1419 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1420 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1421 dc->desc = "PowerNV Chip POWER8"; 1422 1423 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1424 &k->parent_realize); 1425 } 1426 1427 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) 1428 { 1429 DeviceClass *dc = DEVICE_CLASS(klass); 1430 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1431 1432 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */ 1433 k->cores_mask = POWER8_CORE_MASK; 1434 k->num_phbs = 4; 1435 k->core_pir = pnv_chip_core_pir_p8; 1436 k->intc_create = pnv_chip_power8_intc_create; 1437 k->intc_reset = pnv_chip_power8_intc_reset; 1438 k->intc_destroy = pnv_chip_power8_intc_destroy; 1439 k->intc_print_info = pnv_chip_power8_intc_print_info; 1440 k->isa_create = pnv_chip_power8nvl_isa_create; 1441 k->dt_populate = pnv_chip_power8_dt_populate; 1442 k->pic_print_info = pnv_chip_power8_pic_print_info; 1443 k->xscom_core_base = pnv_chip_power8_xscom_core_base; 1444 k->xscom_pcba = pnv_chip_power8_xscom_pcba; 1445 dc->desc = "PowerNV Chip POWER8NVL"; 1446 1447 device_class_set_parent_realize(dc, pnv_chip_power8_realize, 1448 &k->parent_realize); 1449 } 1450 1451 static void pnv_chip_power9_instance_init(Object *obj) 1452 { 1453 PnvChip *chip = PNV_CHIP(obj); 1454 Pnv9Chip *chip9 = PNV9_CHIP(obj); 1455 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1456 int i; 1457 1458 object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE); 1459 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive), 1460 "xive-fabric"); 1461 1462 object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI); 1463 1464 object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC); 1465 1466 object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC); 1467 1468 object_initialize_child(obj, "sbe", &chip9->sbe, TYPE_PNV9_SBE); 1469 1470 object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER); 1471 1472 /* Number of PECs is the chip default */ 1473 chip->num_pecs = pcc->num_pecs; 1474 1475 for (i = 0; i < chip->num_pecs; i++) { 1476 object_initialize_child(obj, "pec[*]", &chip9->pecs[i], 1477 TYPE_PNV_PHB4_PEC); 1478 } 1479 } 1480 1481 static void pnv_chip_quad_realize_one(PnvChip *chip, PnvQuad *eq, 1482 PnvCore *pnv_core) 1483 { 1484 char eq_name[32]; 1485 int core_id = CPU_CORE(pnv_core)->core_id; 1486 1487 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); 1488 object_initialize_child_with_props(OBJECT(chip), eq_name, eq, 1489 sizeof(*eq), TYPE_PNV_QUAD, 1490 &error_fatal, NULL); 1491 1492 object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal); 1493 qdev_realize(DEVICE(eq), NULL, &error_fatal); 1494 } 1495 1496 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) 1497 { 1498 PnvChip *chip = PNV_CHIP(chip9); 1499 int i; 1500 1501 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); 1502 chip9->quads = g_new0(PnvQuad, chip9->nr_quads); 1503 1504 for (i = 0; i < chip9->nr_quads; i++) { 1505 PnvQuad *eq = &chip9->quads[i]; 1506 1507 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]); 1508 1509 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id), 1510 &eq->xscom_regs); 1511 } 1512 } 1513 1514 static void pnv_chip_power9_pec_realize(PnvChip *chip, Error **errp) 1515 { 1516 Pnv9Chip *chip9 = PNV9_CHIP(chip); 1517 int i; 1518 1519 for (i = 0; i < chip->num_pecs; i++) { 1520 PnvPhb4PecState *pec = &chip9->pecs[i]; 1521 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); 1522 uint32_t pec_nest_base; 1523 uint32_t pec_pci_base; 1524 1525 object_property_set_int(OBJECT(pec), "index", i, &error_fatal); 1526 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, 1527 &error_fatal); 1528 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), 1529 &error_fatal); 1530 if (!qdev_realize(DEVICE(pec), NULL, errp)) { 1531 return; 1532 } 1533 1534 pec_nest_base = pecc->xscom_nest_base(pec); 1535 pec_pci_base = pecc->xscom_pci_base(pec); 1536 1537 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); 1538 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); 1539 } 1540 } 1541 1542 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) 1543 { 1544 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1545 Pnv9Chip *chip9 = PNV9_CHIP(dev); 1546 PnvChip *chip = PNV_CHIP(dev); 1547 Pnv9Psi *psi9 = &chip9->psi; 1548 Error *local_err = NULL; 1549 1550 /* XSCOM bridge is first */ 1551 pnv_xscom_realize(chip, PNV9_XSCOM_SIZE, &local_err); 1552 if (local_err) { 1553 error_propagate(errp, local_err); 1554 return; 1555 } 1556 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV9_XSCOM_BASE(chip)); 1557 1558 pcc->parent_realize(dev, &local_err); 1559 if (local_err) { 1560 error_propagate(errp, local_err); 1561 return; 1562 } 1563 1564 pnv_chip_quad_realize(chip9, &local_err); 1565 if (local_err) { 1566 error_propagate(errp, local_err); 1567 return; 1568 } 1569 1570 /* XIVE interrupt controller (POWER9) */ 1571 object_property_set_int(OBJECT(&chip9->xive), "ic-bar", 1572 PNV9_XIVE_IC_BASE(chip), &error_fatal); 1573 object_property_set_int(OBJECT(&chip9->xive), "vc-bar", 1574 PNV9_XIVE_VC_BASE(chip), &error_fatal); 1575 object_property_set_int(OBJECT(&chip9->xive), "pc-bar", 1576 PNV9_XIVE_PC_BASE(chip), &error_fatal); 1577 object_property_set_int(OBJECT(&chip9->xive), "tm-bar", 1578 PNV9_XIVE_TM_BASE(chip), &error_fatal); 1579 object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip), 1580 &error_abort); 1581 if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) { 1582 return; 1583 } 1584 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE, 1585 &chip9->xive.xscom_regs); 1586 1587 /* Processor Service Interface (PSI) Host Bridge */ 1588 object_property_set_int(OBJECT(&chip9->psi), "bar", PNV9_PSIHB_BASE(chip), 1589 &error_fatal); 1590 /* This is the only device with 4k ESB pages */ 1591 object_property_set_int(OBJECT(&chip9->psi), "shift", XIVE_ESB_4K, 1592 &error_fatal); 1593 if (!qdev_realize(DEVICE(&chip9->psi), NULL, errp)) { 1594 return; 1595 } 1596 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE, 1597 &PNV_PSI(psi9)->xscom_regs); 1598 1599 /* LPC */ 1600 if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) { 1601 return; 1602 } 1603 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip), 1604 &chip9->lpc.xscom_regs); 1605 1606 chip->fw_mr = &chip9->lpc.isa_fw; 1607 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1608 (uint64_t) PNV9_LPCM_BASE(chip)); 1609 1610 /* Create the simplified OCC model */ 1611 if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) { 1612 return; 1613 } 1614 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); 1615 qdev_connect_gpio_out(DEVICE(&chip9->occ), 0, qdev_get_gpio_in( 1616 DEVICE(&chip9->psi), PSIHB9_IRQ_OCC)); 1617 1618 /* OCC SRAM model */ 1619 memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip), 1620 &chip9->occ.sram_regs); 1621 1622 /* SBE */ 1623 if (!qdev_realize(DEVICE(&chip9->sbe), NULL, errp)) { 1624 return; 1625 } 1626 pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_CTRL_BASE, 1627 &chip9->sbe.xscom_ctrl_regs); 1628 pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_MBOX_BASE, 1629 &chip9->sbe.xscom_mbox_regs); 1630 qdev_connect_gpio_out(DEVICE(&chip9->sbe), 0, qdev_get_gpio_in( 1631 DEVICE(&chip9->psi), PSIHB9_IRQ_PSU)); 1632 1633 /* HOMER */ 1634 object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip), 1635 &error_abort); 1636 if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) { 1637 return; 1638 } 1639 /* Homer Xscom region */ 1640 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs); 1641 1642 /* Homer mmio region */ 1643 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip), 1644 &chip9->homer.regs); 1645 1646 /* PEC PHBs */ 1647 pnv_chip_power9_pec_realize(chip, &local_err); 1648 if (local_err) { 1649 error_propagate(errp, local_err); 1650 return; 1651 } 1652 } 1653 1654 static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr) 1655 { 1656 addr &= (PNV9_XSCOM_SIZE - 1); 1657 return addr >> 3; 1658 } 1659 1660 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) 1661 { 1662 DeviceClass *dc = DEVICE_CLASS(klass); 1663 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1664 1665 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */ 1666 k->cores_mask = POWER9_CORE_MASK; 1667 k->core_pir = pnv_chip_core_pir_p9; 1668 k->intc_create = pnv_chip_power9_intc_create; 1669 k->intc_reset = pnv_chip_power9_intc_reset; 1670 k->intc_destroy = pnv_chip_power9_intc_destroy; 1671 k->intc_print_info = pnv_chip_power9_intc_print_info; 1672 k->isa_create = pnv_chip_power9_isa_create; 1673 k->dt_populate = pnv_chip_power9_dt_populate; 1674 k->pic_print_info = pnv_chip_power9_pic_print_info; 1675 k->xscom_core_base = pnv_chip_power9_xscom_core_base; 1676 k->xscom_pcba = pnv_chip_power9_xscom_pcba; 1677 dc->desc = "PowerNV Chip POWER9"; 1678 k->num_pecs = PNV9_CHIP_MAX_PEC; 1679 1680 device_class_set_parent_realize(dc, pnv_chip_power9_realize, 1681 &k->parent_realize); 1682 } 1683 1684 static void pnv_chip_power10_instance_init(Object *obj) 1685 { 1686 PnvChip *chip = PNV_CHIP(obj); 1687 Pnv10Chip *chip10 = PNV10_CHIP(obj); 1688 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); 1689 int i; 1690 1691 object_initialize_child(obj, "xive", &chip10->xive, TYPE_PNV_XIVE2); 1692 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip10->xive), 1693 "xive-fabric"); 1694 object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI); 1695 object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC); 1696 object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC); 1697 object_initialize_child(obj, "sbe", &chip10->sbe, TYPE_PNV10_SBE); 1698 object_initialize_child(obj, "homer", &chip10->homer, TYPE_PNV10_HOMER); 1699 1700 chip->num_pecs = pcc->num_pecs; 1701 1702 for (i = 0; i < chip->num_pecs; i++) { 1703 object_initialize_child(obj, "pec[*]", &chip10->pecs[i], 1704 TYPE_PNV_PHB5_PEC); 1705 } 1706 } 1707 1708 static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp) 1709 { 1710 PnvChip *chip = PNV_CHIP(chip10); 1711 int i; 1712 1713 chip10->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); 1714 chip10->quads = g_new0(PnvQuad, chip10->nr_quads); 1715 1716 for (i = 0; i < chip10->nr_quads; i++) { 1717 PnvQuad *eq = &chip10->quads[i]; 1718 1719 pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]); 1720 1721 pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->quad_id), 1722 &eq->xscom_regs); 1723 } 1724 } 1725 1726 static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp) 1727 { 1728 Pnv10Chip *chip10 = PNV10_CHIP(chip); 1729 int i; 1730 1731 for (i = 0; i < chip->num_pecs; i++) { 1732 PnvPhb4PecState *pec = &chip10->pecs[i]; 1733 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); 1734 uint32_t pec_nest_base; 1735 uint32_t pec_pci_base; 1736 1737 object_property_set_int(OBJECT(pec), "index", i, &error_fatal); 1738 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, 1739 &error_fatal); 1740 object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), 1741 &error_fatal); 1742 if (!qdev_realize(DEVICE(pec), NULL, errp)) { 1743 return; 1744 } 1745 1746 pec_nest_base = pecc->xscom_nest_base(pec); 1747 pec_pci_base = pecc->xscom_pci_base(pec); 1748 1749 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); 1750 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); 1751 } 1752 } 1753 1754 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) 1755 { 1756 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); 1757 PnvChip *chip = PNV_CHIP(dev); 1758 Pnv10Chip *chip10 = PNV10_CHIP(dev); 1759 Error *local_err = NULL; 1760 1761 /* XSCOM bridge is first */ 1762 pnv_xscom_realize(chip, PNV10_XSCOM_SIZE, &local_err); 1763 if (local_err) { 1764 error_propagate(errp, local_err); 1765 return; 1766 } 1767 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV10_XSCOM_BASE(chip)); 1768 1769 pcc->parent_realize(dev, &local_err); 1770 if (local_err) { 1771 error_propagate(errp, local_err); 1772 return; 1773 } 1774 1775 pnv_chip_power10_quad_realize(chip10, &local_err); 1776 if (local_err) { 1777 error_propagate(errp, local_err); 1778 return; 1779 } 1780 1781 /* XIVE2 interrupt controller (POWER10) */ 1782 object_property_set_int(OBJECT(&chip10->xive), "ic-bar", 1783 PNV10_XIVE2_IC_BASE(chip), &error_fatal); 1784 object_property_set_int(OBJECT(&chip10->xive), "esb-bar", 1785 PNV10_XIVE2_ESB_BASE(chip), &error_fatal); 1786 object_property_set_int(OBJECT(&chip10->xive), "end-bar", 1787 PNV10_XIVE2_END_BASE(chip), &error_fatal); 1788 object_property_set_int(OBJECT(&chip10->xive), "nvpg-bar", 1789 PNV10_XIVE2_NVPG_BASE(chip), &error_fatal); 1790 object_property_set_int(OBJECT(&chip10->xive), "nvc-bar", 1791 PNV10_XIVE2_NVC_BASE(chip), &error_fatal); 1792 object_property_set_int(OBJECT(&chip10->xive), "tm-bar", 1793 PNV10_XIVE2_TM_BASE(chip), &error_fatal); 1794 object_property_set_link(OBJECT(&chip10->xive), "chip", OBJECT(chip), 1795 &error_abort); 1796 if (!sysbus_realize(SYS_BUS_DEVICE(&chip10->xive), errp)) { 1797 return; 1798 } 1799 pnv_xscom_add_subregion(chip, PNV10_XSCOM_XIVE2_BASE, 1800 &chip10->xive.xscom_regs); 1801 1802 /* Processor Service Interface (PSI) Host Bridge */ 1803 object_property_set_int(OBJECT(&chip10->psi), "bar", 1804 PNV10_PSIHB_BASE(chip), &error_fatal); 1805 /* PSI can now be configured to use 64k ESB pages on POWER10 */ 1806 object_property_set_int(OBJECT(&chip10->psi), "shift", XIVE_ESB_64K, 1807 &error_fatal); 1808 if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) { 1809 return; 1810 } 1811 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE, 1812 &PNV_PSI(&chip10->psi)->xscom_regs); 1813 1814 /* LPC */ 1815 if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) { 1816 return; 1817 } 1818 memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip), 1819 &chip10->lpc.xscom_regs); 1820 1821 chip->fw_mr = &chip10->lpc.isa_fw; 1822 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", 1823 (uint64_t) PNV10_LPCM_BASE(chip)); 1824 1825 /* Create the simplified OCC model */ 1826 if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) { 1827 return; 1828 } 1829 pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE, 1830 &chip10->occ.xscom_regs); 1831 qdev_connect_gpio_out(DEVICE(&chip10->occ), 0, qdev_get_gpio_in( 1832 DEVICE(&chip10->psi), PSIHB9_IRQ_OCC)); 1833 1834 /* OCC SRAM model */ 1835 memory_region_add_subregion(get_system_memory(), 1836 PNV10_OCC_SENSOR_BASE(chip), 1837 &chip10->occ.sram_regs); 1838 1839 /* SBE */ 1840 if (!qdev_realize(DEVICE(&chip10->sbe), NULL, errp)) { 1841 return; 1842 } 1843 pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_CTRL_BASE, 1844 &chip10->sbe.xscom_ctrl_regs); 1845 pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_MBOX_BASE, 1846 &chip10->sbe.xscom_mbox_regs); 1847 qdev_connect_gpio_out(DEVICE(&chip10->sbe), 0, qdev_get_gpio_in( 1848 DEVICE(&chip10->psi), PSIHB9_IRQ_PSU)); 1849 1850 /* HOMER */ 1851 object_property_set_link(OBJECT(&chip10->homer), "chip", OBJECT(chip), 1852 &error_abort); 1853 if (!qdev_realize(DEVICE(&chip10->homer), NULL, errp)) { 1854 return; 1855 } 1856 /* Homer Xscom region */ 1857 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PBA_BASE, 1858 &chip10->homer.pba_regs); 1859 1860 /* Homer mmio region */ 1861 memory_region_add_subregion(get_system_memory(), PNV10_HOMER_BASE(chip), 1862 &chip10->homer.regs); 1863 1864 /* PHBs */ 1865 pnv_chip_power10_phb_realize(chip, &local_err); 1866 if (local_err) { 1867 error_propagate(errp, local_err); 1868 return; 1869 } 1870 } 1871 1872 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr) 1873 { 1874 addr &= (PNV10_XSCOM_SIZE - 1); 1875 return addr >> 3; 1876 } 1877 1878 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) 1879 { 1880 DeviceClass *dc = DEVICE_CLASS(klass); 1881 PnvChipClass *k = PNV_CHIP_CLASS(klass); 1882 1883 k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */ 1884 k->cores_mask = POWER10_CORE_MASK; 1885 k->core_pir = pnv_chip_core_pir_p10; 1886 k->intc_create = pnv_chip_power10_intc_create; 1887 k->intc_reset = pnv_chip_power10_intc_reset; 1888 k->intc_destroy = pnv_chip_power10_intc_destroy; 1889 k->intc_print_info = pnv_chip_power10_intc_print_info; 1890 k->isa_create = pnv_chip_power10_isa_create; 1891 k->dt_populate = pnv_chip_power10_dt_populate; 1892 k->pic_print_info = pnv_chip_power10_pic_print_info; 1893 k->xscom_core_base = pnv_chip_power10_xscom_core_base; 1894 k->xscom_pcba = pnv_chip_power10_xscom_pcba; 1895 dc->desc = "PowerNV Chip POWER10"; 1896 k->num_pecs = PNV10_CHIP_MAX_PEC; 1897 1898 device_class_set_parent_realize(dc, pnv_chip_power10_realize, 1899 &k->parent_realize); 1900 } 1901 1902 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) 1903 { 1904 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1905 int cores_max; 1906 1907 /* 1908 * No custom mask for this chip, let's use the default one from * 1909 * the chip class 1910 */ 1911 if (!chip->cores_mask) { 1912 chip->cores_mask = pcc->cores_mask; 1913 } 1914 1915 /* filter alien core ids ! some are reserved */ 1916 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) { 1917 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !", 1918 chip->cores_mask); 1919 return; 1920 } 1921 chip->cores_mask &= pcc->cores_mask; 1922 1923 /* now that we have a sane layout, let check the number of cores */ 1924 cores_max = ctpop64(chip->cores_mask); 1925 if (chip->nr_cores > cores_max) { 1926 error_setg(errp, "warning: too many cores for chip ! Limit is %d", 1927 cores_max); 1928 return; 1929 } 1930 } 1931 1932 static void pnv_chip_core_realize(PnvChip *chip, Error **errp) 1933 { 1934 Error *error = NULL; 1935 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); 1936 const char *typename = pnv_chip_core_typename(chip); 1937 int i, core_hwid; 1938 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine()); 1939 1940 if (!object_class_by_name(typename)) { 1941 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename); 1942 return; 1943 } 1944 1945 /* Cores */ 1946 pnv_chip_core_sanitize(chip, &error); 1947 if (error) { 1948 error_propagate(errp, error); 1949 return; 1950 } 1951 1952 chip->cores = g_new0(PnvCore *, chip->nr_cores); 1953 1954 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8) 1955 && (i < chip->nr_cores); core_hwid++) { 1956 char core_name[32]; 1957 PnvCore *pnv_core; 1958 uint64_t xscom_core_base; 1959 1960 if (!(chip->cores_mask & (1ull << core_hwid))) { 1961 continue; 1962 } 1963 1964 pnv_core = PNV_CORE(object_new(typename)); 1965 1966 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid); 1967 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core)); 1968 chip->cores[i] = pnv_core; 1969 object_property_set_int(OBJECT(pnv_core), "nr-threads", 1970 chip->nr_threads, &error_fatal); 1971 object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID, 1972 core_hwid, &error_fatal); 1973 object_property_set_int(OBJECT(pnv_core), "pir", 1974 pcc->core_pir(chip, core_hwid), &error_fatal); 1975 object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr, 1976 &error_fatal); 1977 object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip), 1978 &error_abort); 1979 qdev_realize(DEVICE(pnv_core), NULL, &error_fatal); 1980 1981 /* Each core has an XSCOM MMIO region */ 1982 xscom_core_base = pcc->xscom_core_base(chip, core_hwid); 1983 1984 pnv_xscom_add_subregion(chip, xscom_core_base, 1985 &pnv_core->xscom_regs); 1986 i++; 1987 } 1988 } 1989 1990 static void pnv_chip_realize(DeviceState *dev, Error **errp) 1991 { 1992 PnvChip *chip = PNV_CHIP(dev); 1993 Error *error = NULL; 1994 1995 /* Cores */ 1996 pnv_chip_core_realize(chip, &error); 1997 if (error) { 1998 error_propagate(errp, error); 1999 return; 2000 } 2001 } 2002 2003 static Property pnv_chip_properties[] = { 2004 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0), 2005 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0), 2006 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0), 2007 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1), 2008 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0), 2009 DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1), 2010 DEFINE_PROP_END_OF_LIST(), 2011 }; 2012 2013 static void pnv_chip_class_init(ObjectClass *klass, void *data) 2014 { 2015 DeviceClass *dc = DEVICE_CLASS(klass); 2016 2017 set_bit(DEVICE_CATEGORY_CPU, dc->categories); 2018 dc->realize = pnv_chip_realize; 2019 device_class_set_props(dc, pnv_chip_properties); 2020 dc->desc = "PowerNV Chip"; 2021 } 2022 2023 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir) 2024 { 2025 int i, j; 2026 2027 for (i = 0; i < chip->nr_cores; i++) { 2028 PnvCore *pc = chip->cores[i]; 2029 CPUCore *cc = CPU_CORE(pc); 2030 2031 for (j = 0; j < cc->nr_threads; j++) { 2032 if (ppc_cpu_pir(pc->threads[j]) == pir) { 2033 return pc->threads[j]; 2034 } 2035 } 2036 } 2037 return NULL; 2038 } 2039 2040 static ICSState *pnv_ics_get(XICSFabric *xi, int irq) 2041 { 2042 PnvMachineState *pnv = PNV_MACHINE(xi); 2043 int i, j; 2044 2045 for (i = 0; i < pnv->num_chips; i++) { 2046 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 2047 2048 if (ics_valid_irq(&chip8->psi.ics, irq)) { 2049 return &chip8->psi.ics; 2050 } 2051 2052 for (j = 0; j < chip8->num_phbs; j++) { 2053 PnvPHB *phb = chip8->phbs[j]; 2054 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 2055 2056 if (ics_valid_irq(&phb3->lsis, irq)) { 2057 return &phb3->lsis; 2058 } 2059 2060 if (ics_valid_irq(ICS(&phb3->msis), irq)) { 2061 return ICS(&phb3->msis); 2062 } 2063 } 2064 } 2065 return NULL; 2066 } 2067 2068 PnvChip *pnv_get_chip(PnvMachineState *pnv, uint32_t chip_id) 2069 { 2070 int i; 2071 2072 for (i = 0; i < pnv->num_chips; i++) { 2073 PnvChip *chip = pnv->chips[i]; 2074 if (chip->chip_id == chip_id) { 2075 return chip; 2076 } 2077 } 2078 return NULL; 2079 } 2080 2081 static void pnv_ics_resend(XICSFabric *xi) 2082 { 2083 PnvMachineState *pnv = PNV_MACHINE(xi); 2084 int i, j; 2085 2086 for (i = 0; i < pnv->num_chips; i++) { 2087 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); 2088 2089 ics_resend(&chip8->psi.ics); 2090 2091 for (j = 0; j < chip8->num_phbs; j++) { 2092 PnvPHB *phb = chip8->phbs[j]; 2093 PnvPHB3 *phb3 = PNV_PHB3(phb->backend); 2094 2095 ics_resend(&phb3->lsis); 2096 ics_resend(ICS(&phb3->msis)); 2097 } 2098 } 2099 } 2100 2101 static ICPState *pnv_icp_get(XICSFabric *xi, int pir) 2102 { 2103 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir); 2104 2105 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL; 2106 } 2107 2108 static void pnv_pic_print_info(InterruptStatsProvider *obj, 2109 Monitor *mon) 2110 { 2111 PnvMachineState *pnv = PNV_MACHINE(obj); 2112 int i; 2113 CPUState *cs; 2114 2115 CPU_FOREACH(cs) { 2116 PowerPCCPU *cpu = POWERPC_CPU(cs); 2117 2118 /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */ 2119 PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu, 2120 mon); 2121 } 2122 2123 for (i = 0; i < pnv->num_chips; i++) { 2124 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon); 2125 } 2126 } 2127 2128 static int pnv_match_nvt(XiveFabric *xfb, uint8_t format, 2129 uint8_t nvt_blk, uint32_t nvt_idx, 2130 bool cam_ignore, uint8_t priority, 2131 uint32_t logic_serv, 2132 XiveTCTXMatch *match) 2133 { 2134 PnvMachineState *pnv = PNV_MACHINE(xfb); 2135 int total_count = 0; 2136 int i; 2137 2138 for (i = 0; i < pnv->num_chips; i++) { 2139 Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]); 2140 XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive); 2141 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); 2142 int count; 2143 2144 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, 2145 priority, logic_serv, match); 2146 2147 if (count < 0) { 2148 return count; 2149 } 2150 2151 total_count += count; 2152 } 2153 2154 return total_count; 2155 } 2156 2157 static int pnv10_xive_match_nvt(XiveFabric *xfb, uint8_t format, 2158 uint8_t nvt_blk, uint32_t nvt_idx, 2159 bool cam_ignore, uint8_t priority, 2160 uint32_t logic_serv, 2161 XiveTCTXMatch *match) 2162 { 2163 PnvMachineState *pnv = PNV_MACHINE(xfb); 2164 int total_count = 0; 2165 int i; 2166 2167 for (i = 0; i < pnv->num_chips; i++) { 2168 Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]); 2169 XivePresenter *xptr = XIVE_PRESENTER(&chip10->xive); 2170 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); 2171 int count; 2172 2173 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, 2174 priority, logic_serv, match); 2175 2176 if (count < 0) { 2177 return count; 2178 } 2179 2180 total_count += count; 2181 } 2182 2183 return total_count; 2184 } 2185 2186 static void pnv_machine_power8_class_init(ObjectClass *oc, void *data) 2187 { 2188 MachineClass *mc = MACHINE_CLASS(oc); 2189 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); 2190 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2191 static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv"; 2192 2193 static GlobalProperty phb_compat[] = { 2194 { TYPE_PNV_PHB, "version", "3" }, 2195 { TYPE_PNV_PHB_ROOT_PORT, "version", "3" }, 2196 }; 2197 2198 mc->desc = "IBM PowerNV (Non-Virtualized) POWER8"; 2199 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); 2200 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2201 2202 xic->icp_get = pnv_icp_get; 2203 xic->ics_get = pnv_ics_get; 2204 xic->ics_resend = pnv_ics_resend; 2205 2206 pmc->compat = compat; 2207 pmc->compat_size = sizeof(compat); 2208 2209 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2210 } 2211 2212 static void pnv_machine_power9_class_init(ObjectClass *oc, void *data) 2213 { 2214 MachineClass *mc = MACHINE_CLASS(oc); 2215 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); 2216 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2217 static const char compat[] = "qemu,powernv9\0ibm,powernv"; 2218 2219 static GlobalProperty phb_compat[] = { 2220 { TYPE_PNV_PHB, "version", "4" }, 2221 { TYPE_PNV_PHB_ROOT_PORT, "version", "4" }, 2222 }; 2223 2224 mc->desc = "IBM PowerNV (Non-Virtualized) POWER9"; 2225 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0"); 2226 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2227 2228 xfc->match_nvt = pnv_match_nvt; 2229 2230 mc->alias = "powernv"; 2231 2232 pmc->compat = compat; 2233 pmc->compat_size = sizeof(compat); 2234 pmc->dt_power_mgt = pnv_dt_power_mgt; 2235 2236 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2237 } 2238 2239 static void pnv_machine_power10_class_init(ObjectClass *oc, void *data) 2240 { 2241 MachineClass *mc = MACHINE_CLASS(oc); 2242 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); 2243 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); 2244 static const char compat[] = "qemu,powernv10\0ibm,powernv"; 2245 2246 static GlobalProperty phb_compat[] = { 2247 { TYPE_PNV_PHB, "version", "5" }, 2248 { TYPE_PNV_PHB_ROOT_PORT, "version", "5" }, 2249 }; 2250 2251 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10"; 2252 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0"); 2253 compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); 2254 2255 pmc->compat = compat; 2256 pmc->compat_size = sizeof(compat); 2257 pmc->dt_power_mgt = pnv_dt_power_mgt; 2258 2259 xfc->match_nvt = pnv10_xive_match_nvt; 2260 2261 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); 2262 } 2263 2264 static bool pnv_machine_get_hb(Object *obj, Error **errp) 2265 { 2266 PnvMachineState *pnv = PNV_MACHINE(obj); 2267 2268 return !!pnv->fw_load_addr; 2269 } 2270 2271 static void pnv_machine_set_hb(Object *obj, bool value, Error **errp) 2272 { 2273 PnvMachineState *pnv = PNV_MACHINE(obj); 2274 2275 if (value) { 2276 pnv->fw_load_addr = 0x8000000; 2277 } 2278 } 2279 2280 static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) 2281 { 2282 PowerPCCPU *cpu = POWERPC_CPU(cs); 2283 CPUPPCState *env = &cpu->env; 2284 2285 cpu_synchronize_state(cs); 2286 ppc_cpu_do_system_reset(cs); 2287 if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) { 2288 /* 2289 * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the 2290 * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100 2291 * (PPC_BIT(43)). 2292 */ 2293 if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) { 2294 warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason"); 2295 env->spr[SPR_SRR1] |= SRR1_WAKERESET; 2296 } 2297 } else { 2298 /* 2299 * For non-powersave system resets, SRR1[42:45] are defined to be 2300 * implementation-dependent. The POWER9 User Manual specifies that 2301 * an external (SCOM driven, which may come from a BMC nmi command or 2302 * another CPU requesting a NMI IPI) system reset exception should be 2303 * 0b0010 (PPC_BIT(44)). 2304 */ 2305 env->spr[SPR_SRR1] |= SRR1_WAKESCOM; 2306 } 2307 } 2308 2309 static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) 2310 { 2311 CPUState *cs; 2312 2313 CPU_FOREACH(cs) { 2314 async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); 2315 } 2316 } 2317 2318 static void pnv_machine_class_init(ObjectClass *oc, void *data) 2319 { 2320 MachineClass *mc = MACHINE_CLASS(oc); 2321 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); 2322 NMIClass *nc = NMI_CLASS(oc); 2323 2324 mc->desc = "IBM PowerNV (Non-Virtualized)"; 2325 mc->init = pnv_init; 2326 mc->reset = pnv_reset; 2327 mc->max_cpus = MAX_CPUS; 2328 /* Pnv provides a AHCI device for storage */ 2329 mc->block_default_type = IF_IDE; 2330 mc->no_parallel = 1; 2331 mc->default_boot_order = NULL; 2332 /* 2333 * RAM defaults to less than 2048 for 32-bit hosts, and large 2334 * enough to fit the maximum initrd size at it's load address 2335 */ 2336 mc->default_ram_size = 1 * GiB; 2337 mc->default_ram_id = "pnv.ram"; 2338 ispc->print_info = pnv_pic_print_info; 2339 nc->nmi_monitor_handler = pnv_nmi; 2340 2341 object_class_property_add_bool(oc, "hb-mode", 2342 pnv_machine_get_hb, pnv_machine_set_hb); 2343 object_class_property_set_description(oc, "hb-mode", 2344 "Use a hostboot like boot loader"); 2345 } 2346 2347 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \ 2348 { \ 2349 .name = type, \ 2350 .class_init = class_initfn, \ 2351 .parent = TYPE_PNV8_CHIP, \ 2352 } 2353 2354 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \ 2355 { \ 2356 .name = type, \ 2357 .class_init = class_initfn, \ 2358 .parent = TYPE_PNV9_CHIP, \ 2359 } 2360 2361 #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \ 2362 { \ 2363 .name = type, \ 2364 .class_init = class_initfn, \ 2365 .parent = TYPE_PNV10_CHIP, \ 2366 } 2367 2368 static const TypeInfo types[] = { 2369 { 2370 .name = MACHINE_TYPE_NAME("powernv10"), 2371 .parent = TYPE_PNV_MACHINE, 2372 .class_init = pnv_machine_power10_class_init, 2373 .interfaces = (InterfaceInfo[]) { 2374 { TYPE_XIVE_FABRIC }, 2375 { }, 2376 }, 2377 }, 2378 { 2379 .name = MACHINE_TYPE_NAME("powernv9"), 2380 .parent = TYPE_PNV_MACHINE, 2381 .class_init = pnv_machine_power9_class_init, 2382 .interfaces = (InterfaceInfo[]) { 2383 { TYPE_XIVE_FABRIC }, 2384 { }, 2385 }, 2386 }, 2387 { 2388 .name = MACHINE_TYPE_NAME("powernv8"), 2389 .parent = TYPE_PNV_MACHINE, 2390 .class_init = pnv_machine_power8_class_init, 2391 .interfaces = (InterfaceInfo[]) { 2392 { TYPE_XICS_FABRIC }, 2393 { }, 2394 }, 2395 }, 2396 { 2397 .name = TYPE_PNV_MACHINE, 2398 .parent = TYPE_MACHINE, 2399 .abstract = true, 2400 .instance_size = sizeof(PnvMachineState), 2401 .class_init = pnv_machine_class_init, 2402 .class_size = sizeof(PnvMachineClass), 2403 .interfaces = (InterfaceInfo[]) { 2404 { TYPE_INTERRUPT_STATS_PROVIDER }, 2405 { TYPE_NMI }, 2406 { }, 2407 }, 2408 }, 2409 { 2410 .name = TYPE_PNV_CHIP, 2411 .parent = TYPE_SYS_BUS_DEVICE, 2412 .class_init = pnv_chip_class_init, 2413 .instance_size = sizeof(PnvChip), 2414 .class_size = sizeof(PnvChipClass), 2415 .abstract = true, 2416 }, 2417 2418 /* 2419 * P10 chip and variants 2420 */ 2421 { 2422 .name = TYPE_PNV10_CHIP, 2423 .parent = TYPE_PNV_CHIP, 2424 .instance_init = pnv_chip_power10_instance_init, 2425 .instance_size = sizeof(Pnv10Chip), 2426 }, 2427 DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init), 2428 2429 /* 2430 * P9 chip and variants 2431 */ 2432 { 2433 .name = TYPE_PNV9_CHIP, 2434 .parent = TYPE_PNV_CHIP, 2435 .instance_init = pnv_chip_power9_instance_init, 2436 .instance_size = sizeof(Pnv9Chip), 2437 }, 2438 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), 2439 2440 /* 2441 * P8 chip and variants 2442 */ 2443 { 2444 .name = TYPE_PNV8_CHIP, 2445 .parent = TYPE_PNV_CHIP, 2446 .instance_init = pnv_chip_power8_instance_init, 2447 .instance_size = sizeof(Pnv8Chip), 2448 }, 2449 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), 2450 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), 2451 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, 2452 pnv_chip_power8nvl_class_init), 2453 }; 2454 2455 DEFINE_TYPES(types) 2456