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ppc/pnv: POWER9 XSCOM quad support
[qemu/ar7.git] / hw / ppc / pnv.c
blobe68d419203e8dddf9105e0e80f03b967e3fd2d4b
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 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/units.h"
22 #include "qapi/error.h"
23 #include "sysemu/sysemu.h"
24 #include "sysemu/numa.h"
25 #include "sysemu/cpus.h"
26 #include "hw/hw.h"
27 #include "target/ppc/cpu.h"
28 #include "qemu/log.h"
29 #include "hw/ppc/fdt.h"
30 #include "hw/ppc/ppc.h"
31 #include "hw/ppc/pnv.h"
32 #include "hw/ppc/pnv_core.h"
33 #include "hw/loader.h"
34 #include "exec/address-spaces.h"
35 #include "qapi/visitor.h"
36 #include "monitor/monitor.h"
37 #include "hw/intc/intc.h"
38 #include "hw/ipmi/ipmi.h"
39 #include "target/ppc/mmu-hash64.h"
40
41 #include "hw/ppc/xics.h"
42 #include "hw/ppc/pnv_xscom.h"
43
44 #include "hw/isa/isa.h"
45 #include "hw/char/serial.h"
46 #include "hw/timer/mc146818rtc.h"
47
48 #include <libfdt.h>
49
50 #define FDT_MAX_SIZE (1 * MiB)
51
52 #define FW_FILE_NAME "skiboot.lid"
53 #define FW_LOAD_ADDR 0x0
54 #define FW_MAX_SIZE (4 * MiB)
55
56 #define KERNEL_LOAD_ADDR 0x20000000
57 #define KERNEL_MAX_SIZE (256 * MiB)
58 #define INITRD_LOAD_ADDR 0x60000000
59 #define INITRD_MAX_SIZE (256 * MiB)
60
61 static const char *pnv_chip_core_typename(const PnvChip *o)
62 {
63 const char *chip_type = object_class_get_name(object_get_class(OBJECT(o)));
64 int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX);
65 char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type);
66 const char *core_type = object_class_get_name(object_class_by_name(s));
67 g_free(s);
68 return core_type;
69 }
70
71 /*
72 * On Power Systems E880 (POWER8), the max cpus (threads) should be :
73 * 4 * 4 sockets * 12 cores * 8 threads = 1536
74 * Let's make it 2^11
75 */
76 #define MAX_CPUS 2048
77
78 /*
79 * Memory nodes are created by hostboot, one for each range of memory
80 * that has a different "affinity". In practice, it means one range
81 * per chip.
82 */
83 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size)
84 {
85 char *mem_name;
86 uint64_t mem_reg_property[2];
87 int off;
88
89 mem_reg_property[0] = cpu_to_be64(start);
90 mem_reg_property[1] = cpu_to_be64(size);
91
92 mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start);
93 off = fdt_add_subnode(fdt, 0, mem_name);
94 g_free(mem_name);
95
96 _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
97 _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
98 sizeof(mem_reg_property))));
99 _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id)));
100 }
101
102 static int get_cpus_node(void *fdt)
103 {
104 int cpus_offset = fdt_path_offset(fdt, "/cpus");
105
106 if (cpus_offset < 0) {
107 cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
108 if (cpus_offset) {
109 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1)));
110 _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0)));
111 }
112 }
113 _FDT(cpus_offset);
114 return cpus_offset;
115 }
116
117 /*
118 * The PowerNV cores (and threads) need to use real HW ids and not an
119 * incremental index like it has been done on other platforms. This HW
120 * id is stored in the CPU PIR, it is used to create cpu nodes in the
121 * device tree, used in XSCOM to address cores and in interrupt
122 * servers.
123 */
124 static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt)
125 {
126 PowerPCCPU *cpu = pc->threads[0];
127 CPUState *cs = CPU(cpu);
128 DeviceClass *dc = DEVICE_GET_CLASS(cs);
129 int smt_threads = CPU_CORE(pc)->nr_threads;
130 CPUPPCState *env = &cpu->env;
131 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
132 uint32_t servers_prop[smt_threads];
133 int i;
134 uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
135 0xffffffff, 0xffffffff};
136 uint32_t tbfreq = PNV_TIMEBASE_FREQ;
137 uint32_t cpufreq = 1000000000;
138 uint32_t page_sizes_prop[64];
139 size_t page_sizes_prop_size;
140 const uint8_t pa_features[] = { 24, 0,
141 0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0,
142 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
143 0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
144 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
145 int offset;
146 char *nodename;
147 int cpus_offset = get_cpus_node(fdt);
148
149 nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir);
150 offset = fdt_add_subnode(fdt, cpus_offset, nodename);
151 _FDT(offset);
152 g_free(nodename);
153
154 _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id)));
155
156 _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir)));
157 _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir)));
158 _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu")));
159
160 _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR])));
161 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size",
162 env->dcache_line_size)));
163 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size",
164 env->dcache_line_size)));
165 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size",
166 env->icache_line_size)));
167 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size",
168 env->icache_line_size)));
169
170 if (pcc->l1_dcache_size) {
171 _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size",
172 pcc->l1_dcache_size)));
173 } else {
174 warn_report("Unknown L1 dcache size for cpu");
175 }
176 if (pcc->l1_icache_size) {
177 _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size",
178 pcc->l1_icache_size)));
179 } else {
180 warn_report("Unknown L1 icache size for cpu");
181 }
182
183 _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq)));
184 _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq)));
185 _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size)));
186 _FDT((fdt_setprop_string(fdt, offset, "status", "okay")));
187 _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0)));
188
189 if (env->spr_cb[SPR_PURR].oea_read) {
190 _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0)));
191 }
192
193 if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) {
194 _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes",
195 segs, sizeof(segs))));
196 }
197
198 /* Advertise VMX/VSX (vector extensions) if available
199 * 0 / no property == no vector extensions
200 * 1 == VMX / Altivec available
201 * 2 == VSX available */
202 if (env->insns_flags & PPC_ALTIVEC) {
203 uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1;
204
205 _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx)));
206 }
207
208 /* Advertise DFP (Decimal Floating Point) if available
209 * 0 / no property == no DFP
210 * 1 == DFP available */
211 if (env->insns_flags2 & PPC2_DFP) {
212 _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1)));
213 }
214
215 page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop,
216 sizeof(page_sizes_prop));
217 if (page_sizes_prop_size) {
218 _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes",
219 page_sizes_prop, page_sizes_prop_size)));
220 }
221
222 _FDT((fdt_setprop(fdt, offset, "ibm,pa-features",
223 pa_features, sizeof(pa_features))));
224
225 /* Build interrupt servers properties */
226 for (i = 0; i < smt_threads; i++) {
227 servers_prop[i] = cpu_to_be32(pc->pir + i);
228 }
229 _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s",
230 servers_prop, sizeof(servers_prop))));
231 }
232
233 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir,
234 uint32_t nr_threads)
235 {
236 uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12);
237 char *name;
238 const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp";
239 uint32_t irange[2], i, rsize;
240 uint64_t *reg;
241 int offset;
242
243 irange[0] = cpu_to_be32(pir);
244 irange[1] = cpu_to_be32(nr_threads);
245
246 rsize = sizeof(uint64_t) * 2 * nr_threads;
247 reg = g_malloc(rsize);
248 for (i = 0; i < nr_threads; i++) {
249 reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000));
250 reg[i * 2 + 1] = cpu_to_be64(0x1000);
251 }
252
253 name = g_strdup_printf("interrupt-controller@%"PRIX64, addr);
254 offset = fdt_add_subnode(fdt, 0, name);
255 _FDT(offset);
256 g_free(name);
257
258 _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat))));
259 _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize)));
260 _FDT((fdt_setprop_string(fdt, offset, "device_type",
261 "PowerPC-External-Interrupt-Presentation")));
262 _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0)));
263 _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges",
264 irange, sizeof(irange))));
265 _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1)));
266 _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0)));
267 g_free(reg);
268 }
269
270 static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt)
271 {
272 const char *typename = pnv_chip_core_typename(chip);
273 size_t typesize = object_type_get_instance_size(typename);
274 int i;
275
276 pnv_dt_xscom(chip, fdt, 0);
277
278 for (i = 0; i < chip->nr_cores; i++) {
279 PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
280
281 pnv_dt_core(chip, pnv_core, fdt);
282
283 /* Interrupt Control Presenters (ICP). One per core. */
284 pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads);
285 }
286
287 if (chip->ram_size) {
288 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
289 }
290 }
291
292 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt)
293 {
294 const char *typename = pnv_chip_core_typename(chip);
295 size_t typesize = object_type_get_instance_size(typename);
296 int i;
297
298 pnv_dt_xscom(chip, fdt, 0);
299
300 for (i = 0; i < chip->nr_cores; i++) {
301 PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
302
303 pnv_dt_core(chip, pnv_core, fdt);
304 }
305
306 if (chip->ram_size) {
307 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
308 }
309
310 pnv_dt_lpc(chip, fdt, 0);
311 }
312
313 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
314 {
315 uint32_t io_base = d->ioport_id;
316 uint32_t io_regs[] = {
317 cpu_to_be32(1),
318 cpu_to_be32(io_base),
319 cpu_to_be32(2)
320 };
321 char *name;
322 int node;
323
324 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
325 node = fdt_add_subnode(fdt, lpc_off, name);
326 _FDT(node);
327 g_free(name);
328
329 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
330 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
331 }
332
333 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off)
334 {
335 const char compatible[] = "ns16550\0pnpPNP,501";
336 uint32_t io_base = d->ioport_id;
337 uint32_t io_regs[] = {
338 cpu_to_be32(1),
339 cpu_to_be32(io_base),
340 cpu_to_be32(8)
341 };
342 char *name;
343 int node;
344
345 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
346 node = fdt_add_subnode(fdt, lpc_off, name);
347 _FDT(node);
348 g_free(name);
349
350 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
351 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
352 sizeof(compatible))));
353
354 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
355 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
356 _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0])));
357 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
358 fdt_get_phandle(fdt, lpc_off))));
359
360 /* This is needed by Linux */
361 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
362 }
363
364 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off)
365 {
366 const char compatible[] = "bt\0ipmi-bt";
367 uint32_t io_base;
368 uint32_t io_regs[] = {
369 cpu_to_be32(1),
370 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
371 cpu_to_be32(3)
372 };
373 uint32_t irq;
374 char *name;
375 int node;
376
377 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal);
378 io_regs[1] = cpu_to_be32(io_base);
379
380 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal);
381
382 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
383 node = fdt_add_subnode(fdt, lpc_off, name);
384 _FDT(node);
385 g_free(name);
386
387 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
388 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
389 sizeof(compatible))));
390
391 /* Mark it as reserved to avoid Linux trying to claim it */
392 _FDT((fdt_setprop_string(fdt, node, "status", "reserved")));
393 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq)));
394 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
395 fdt_get_phandle(fdt, lpc_off))));
396 }
397
398 typedef struct ForeachPopulateArgs {
399 void *fdt;
400 int offset;
401 } ForeachPopulateArgs;
402
403 static int pnv_dt_isa_device(DeviceState *dev, void *opaque)
404 {
405 ForeachPopulateArgs *args = opaque;
406 ISADevice *d = ISA_DEVICE(dev);
407
408 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
409 pnv_dt_rtc(d, args->fdt, args->offset);
410 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
411 pnv_dt_serial(d, args->fdt, args->offset);
412 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) {
413 pnv_dt_ipmi_bt(d, args->fdt, args->offset);
414 } else {
415 error_report("unknown isa device %s@i%x", qdev_fw_name(dev),
416 d->ioport_id);
417 }
418
419 return 0;
420 }
421
422 /* The default LPC bus of a multichip system is on chip 0. It's
423 * recognized by the firmware (skiboot) using a "primary" property.
424 */
425 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
426 {
427 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename);
428 ForeachPopulateArgs args = {
429 .fdt = fdt,
430 .offset = isa_offset,
431 };
432
433 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0)));
434
435 /* ISA devices are not necessarily parented to the ISA bus so we
436 * can not use object_child_foreach() */
437 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL,
438 &args);
439 }
440
441 static void *pnv_dt_create(MachineState *machine)
442 {
443 const char plat_compat[] = "qemu,powernv\0ibm,powernv";
444 PnvMachineState *pnv = PNV_MACHINE(machine);
445 void *fdt;
446 char *buf;
447 int off;
448 int i;
449
450 fdt = g_malloc0(FDT_MAX_SIZE);
451 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
452
453 /* Root node */
454 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2)));
455 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2)));
456 _FDT((fdt_setprop_string(fdt, 0, "model",
457 "IBM PowerNV (emulated by qemu)")));
458 _FDT((fdt_setprop(fdt, 0, "compatible", plat_compat,
459 sizeof(plat_compat))));
460
461 buf = qemu_uuid_unparse_strdup(&qemu_uuid);
462 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf)));
463 if (qemu_uuid_set) {
464 _FDT((fdt_property_string(fdt, "system-id", buf)));
465 }
466 g_free(buf);
467
468 off = fdt_add_subnode(fdt, 0, "chosen");
469 if (machine->kernel_cmdline) {
470 _FDT((fdt_setprop_string(fdt, off, "bootargs",
471 machine->kernel_cmdline)));
472 }
473
474 if (pnv->initrd_size) {
475 uint32_t start_prop = cpu_to_be32(pnv->initrd_base);
476 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size);
477
478 _FDT((fdt_setprop(fdt, off, "linux,initrd-start",
479 &start_prop, sizeof(start_prop))));
480 _FDT((fdt_setprop(fdt, off, "linux,initrd-end",
481 &end_prop, sizeof(end_prop))));
482 }
483
484 /* Populate device tree for each chip */
485 for (i = 0; i < pnv->num_chips; i++) {
486 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt);
487 }
488
489 /* Populate ISA devices on chip 0 */
490 pnv_dt_isa(pnv, fdt);
491
492 if (pnv->bmc) {
493 pnv_dt_bmc_sensors(pnv->bmc, fdt);
494 }
495
496 return fdt;
497 }
498
499 static void pnv_powerdown_notify(Notifier *n, void *opaque)
500 {
501 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
502
503 if (pnv->bmc) {
504 pnv_bmc_powerdown(pnv->bmc);
505 }
506 }
507
508 static void pnv_reset(void)
509 {
510 MachineState *machine = MACHINE(qdev_get_machine());
511 PnvMachineState *pnv = PNV_MACHINE(machine);
512 void *fdt;
513 Object *obj;
514
515 qemu_devices_reset();
516
517 /* OpenPOWER systems have a BMC, which can be defined on the
518 * command line with:
519 *
520 * -device ipmi-bmc-sim,id=bmc0
521 *
522 * This is the internal simulator but it could also be an external
523 * BMC.
524 */
525 obj = object_resolve_path_type("", "ipmi-bmc-sim", NULL);
526 if (obj) {
527 pnv->bmc = IPMI_BMC(obj);
528 }
529
530 fdt = pnv_dt_create(machine);
531
532 /* Pack resulting tree */
533 _FDT((fdt_pack(fdt)));
534
535 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));
536 }
537
538 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp)
539 {
540 Pnv8Chip *chip8 = PNV8_CHIP(chip);
541 return pnv_lpc_isa_create(&chip8->lpc, true, errp);
542 }
543
544 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp)
545 {
546 Pnv8Chip *chip8 = PNV8_CHIP(chip);
547 return pnv_lpc_isa_create(&chip8->lpc, false, errp);
548 }
549
550 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp)
551 {
552 Pnv9Chip *chip9 = PNV9_CHIP(chip);
553 return pnv_lpc_isa_create(&chip9->lpc, false, errp);
554 }
555
556 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
557 {
558 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp);
559 }
560
561 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon)
562 {
563 Pnv8Chip *chip8 = PNV8_CHIP(chip);
564
565 ics_pic_print_info(&chip8->psi.ics, mon);
566 }
567
568 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon)
569 {
570 Pnv9Chip *chip9 = PNV9_CHIP(chip);
571
572 pnv_xive_pic_print_info(&chip9->xive, mon);
573 pnv_psi_pic_print_info(&chip9->psi, mon);
574 }
575
576 static void pnv_init(MachineState *machine)
577 {
578 PnvMachineState *pnv = PNV_MACHINE(machine);
579 MemoryRegion *ram;
580 char *fw_filename;
581 long fw_size;
582 int i;
583 char *chip_typename;
584
585 /* allocate RAM */
586 if (machine->ram_size < (1 * GiB)) {
587 warn_report("skiboot may not work with < 1GB of RAM");
588 }
589
590 ram = g_new(MemoryRegion, 1);
591 memory_region_allocate_system_memory(ram, NULL, "pnv.ram",
592 machine->ram_size);
593 memory_region_add_subregion(get_system_memory(), 0, ram);
594
595 /* load skiboot firmware */
596 if (bios_name == NULL) {
597 bios_name = FW_FILE_NAME;
598 }
599
600 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
601 if (!fw_filename) {
602 error_report("Could not find OPAL firmware '%s'", bios_name);
603 exit(1);
604 }
605
606 fw_size = load_image_targphys(fw_filename, FW_LOAD_ADDR, FW_MAX_SIZE);
607 if (fw_size < 0) {
608 error_report("Could not load OPAL firmware '%s'", fw_filename);
609 exit(1);
610 }
611 g_free(fw_filename);
612
613 /* load kernel */
614 if (machine->kernel_filename) {
615 long kernel_size;
616
617 kernel_size = load_image_targphys(machine->kernel_filename,
618 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE);
619 if (kernel_size < 0) {
620 error_report("Could not load kernel '%s'",
621 machine->kernel_filename);
622 exit(1);
623 }
624 }
625
626 /* load initrd */
627 if (machine->initrd_filename) {
628 pnv->initrd_base = INITRD_LOAD_ADDR;
629 pnv->initrd_size = load_image_targphys(machine->initrd_filename,
630 pnv->initrd_base, INITRD_MAX_SIZE);
631 if (pnv->initrd_size < 0) {
632 error_report("Could not load initial ram disk '%s'",
633 machine->initrd_filename);
634 exit(1);
635 }
636 }
637
638 /* Create the processor chips */
639 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
640 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
641 i, machine->cpu_type);
642 if (!object_class_by_name(chip_typename)) {
643 error_report("invalid CPU model '%.*s' for %s machine",
644 i, machine->cpu_type, MACHINE_GET_CLASS(machine)->name);
645 exit(1);
646 }
647
648 pnv->chips = g_new0(PnvChip *, pnv->num_chips);
649 for (i = 0; i < pnv->num_chips; i++) {
650 char chip_name[32];
651 Object *chip = object_new(chip_typename);
652
653 pnv->chips[i] = PNV_CHIP(chip);
654
655 /* TODO: put all the memory in one node on chip 0 until we find a
656 * way to specify different ranges for each chip
657 */
658 if (i == 0) {
659 object_property_set_int(chip, machine->ram_size, "ram-size",
660 &error_fatal);
661 }
662
663 snprintf(chip_name, sizeof(chip_name), "chip[%d]", PNV_CHIP_HWID(i));
664 object_property_add_child(OBJECT(pnv), chip_name, chip, &error_fatal);
665 object_property_set_int(chip, PNV_CHIP_HWID(i), "chip-id",
666 &error_fatal);
667 object_property_set_int(chip, smp_cores, "nr-cores", &error_fatal);
668 object_property_set_bool(chip, true, "realized", &error_fatal);
669 }
670 g_free(chip_typename);
671
672 /* Instantiate ISA bus on chip 0 */
673 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal);
674
675 /* Create serial port */
676 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS);
677
678 /* Create an RTC ISA device too */
679 mc146818_rtc_init(pnv->isa_bus, 2000, NULL);
680
681 /* OpenPOWER systems use a IPMI SEL Event message to notify the
682 * host to powerdown */
683 pnv->powerdown_notifier.notify = pnv_powerdown_notify;
684 qemu_register_powerdown_notifier(&pnv->powerdown_notifier);
685 }
686
687 /*
688 * 0:21 Reserved - Read as zeros
689 * 22:24 Chip ID
690 * 25:28 Core number
691 * 29:31 Thread ID
692 */
693 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id)
694 {
695 return (chip->chip_id << 7) | (core_id << 3);
696 }
697
698 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
699 Error **errp)
700 {
701 Error *local_err = NULL;
702 Object *obj;
703 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
704
705 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, XICS_FABRIC(qdev_get_machine()),
706 &local_err);
707 if (local_err) {
708 error_propagate(errp, local_err);
709 return;
710 }
711
712 pnv_cpu->intc = obj;
713 }
714
715 /*
716 * 0:48 Reserved - Read as zeroes
717 * 49:52 Node ID
718 * 53:55 Chip ID
719 * 56 Reserved - Read as zero
720 * 57:61 Core number
721 * 62:63 Thread ID
722 *
723 * We only care about the lower bits. uint32_t is fine for the moment.
724 */
725 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id)
726 {
727 return (chip->chip_id << 8) | (core_id << 2);
728 }
729
730 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu,
731 Error **errp)
732 {
733 Pnv9Chip *chip9 = PNV9_CHIP(chip);
734 Error *local_err = NULL;
735 Object *obj;
736 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
737
738 /*
739 * The core creates its interrupt presenter but the XIVE interrupt
740 * controller object is initialized afterwards. Hopefully, it's
741 * only used at runtime.
742 */
743 obj = xive_tctx_create(OBJECT(cpu), XIVE_ROUTER(&chip9->xive), errp);
744 if (local_err) {
745 error_propagate(errp, local_err);
746 return;
747 }
748
749 pnv_cpu->intc = obj;
750 }
751
752 /* Allowed core identifiers on a POWER8 Processor Chip :
753 *
754 * <EX0 reserved>
755 * EX1 - Venice only
756 * EX2 - Venice only
757 * EX3 - Venice only
758 * EX4
759 * EX5
760 * EX6
761 * <EX7,8 reserved> <reserved>
762 * EX9 - Venice only
763 * EX10 - Venice only
764 * EX11 - Venice only
765 * EX12
766 * EX13
767 * EX14
768 * <EX15 reserved>
769 */
770 #define POWER8E_CORE_MASK (0x7070ull)
771 #define POWER8_CORE_MASK (0x7e7eull)
772
773 /*
774 * POWER9 has 24 cores, ids starting at 0x0
775 */
776 #define POWER9_CORE_MASK (0xffffffffffffffull)
777
778 static void pnv_chip_power8_instance_init(Object *obj)
779 {
780 Pnv8Chip *chip8 = PNV8_CHIP(obj);
781
782 object_initialize_child(obj, "psi", &chip8->psi, sizeof(chip8->psi),
783 TYPE_PNV8_PSI, &error_abort, NULL);
784 object_property_add_const_link(OBJECT(&chip8->psi), "xics",
785 OBJECT(qdev_get_machine()), &error_abort);
786
787 object_initialize_child(obj, "lpc", &chip8->lpc, sizeof(chip8->lpc),
788 TYPE_PNV8_LPC, &error_abort, NULL);
789 object_property_add_const_link(OBJECT(&chip8->lpc), "psi",
790 OBJECT(&chip8->psi), &error_abort);
791
792 object_initialize_child(obj, "occ", &chip8->occ, sizeof(chip8->occ),
793 TYPE_PNV8_OCC, &error_abort, NULL);
794 object_property_add_const_link(OBJECT(&chip8->occ), "psi",
795 OBJECT(&chip8->psi), &error_abort);
796 }
797
798 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp)
799 {
800 PnvChip *chip = PNV_CHIP(chip8);
801 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
802 const char *typename = pnv_chip_core_typename(chip);
803 size_t typesize = object_type_get_instance_size(typename);
804 int i, j;
805 char *name;
806 XICSFabric *xi = XICS_FABRIC(qdev_get_machine());
807
808 name = g_strdup_printf("icp-%x", chip->chip_id);
809 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE);
810 sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio);
811 g_free(name);
812
813 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip));
814
815 /* Map the ICP registers for each thread */
816 for (i = 0; i < chip->nr_cores; i++) {
817 PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
818 int core_hwid = CPU_CORE(pnv_core)->core_id;
819
820 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) {
821 uint32_t pir = pcc->core_pir(chip, core_hwid) + j;
822 PnvICPState *icp = PNV_ICP(xics_icp_get(xi, pir));
823
824 memory_region_add_subregion(&chip8->icp_mmio, pir << 12,
825 &icp->mmio);
826 }
827 }
828 }
829
830 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
831 {
832 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
833 PnvChip *chip = PNV_CHIP(dev);
834 Pnv8Chip *chip8 = PNV8_CHIP(dev);
835 Pnv8Psi *psi8 = &chip8->psi;
836 Error *local_err = NULL;
837
838 pcc->parent_realize(dev, &local_err);
839 if (local_err) {
840 error_propagate(errp, local_err);
841 return;
842 }
843
844 /* Processor Service Interface (PSI) Host Bridge */
845 object_property_set_int(OBJECT(&chip8->psi), PNV_PSIHB_BASE(chip),
846 "bar", &error_fatal);
847 object_property_set_bool(OBJECT(&chip8->psi), true, "realized", &local_err);
848 if (local_err) {
849 error_propagate(errp, local_err);
850 return;
851 }
852 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE,
853 &PNV_PSI(psi8)->xscom_regs);
854
855 /* Create LPC controller */
856 object_property_set_bool(OBJECT(&chip8->lpc), true, "realized",
857 &error_fatal);
858 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs);
859
860 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
861 (uint64_t) PNV_XSCOM_BASE(chip),
862 PNV_XSCOM_LPC_BASE);
863
864 /* Interrupt Management Area. This is the memory region holding
865 * all the Interrupt Control Presenter (ICP) registers */
866 pnv_chip_icp_realize(chip8, &local_err);
867 if (local_err) {
868 error_propagate(errp, local_err);
869 return;
870 }
871
872 /* Create the simplified OCC model */
873 object_property_set_bool(OBJECT(&chip8->occ), true, "realized", &local_err);
874 if (local_err) {
875 error_propagate(errp, local_err);
876 return;
877 }
878 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs);
879 }
880
881 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
882 {
883 DeviceClass *dc = DEVICE_CLASS(klass);
884 PnvChipClass *k = PNV_CHIP_CLASS(klass);
885
886 k->chip_type = PNV_CHIP_POWER8E;
887 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */
888 k->cores_mask = POWER8E_CORE_MASK;
889 k->core_pir = pnv_chip_core_pir_p8;
890 k->intc_create = pnv_chip_power8_intc_create;
891 k->isa_create = pnv_chip_power8_isa_create;
892 k->dt_populate = pnv_chip_power8_dt_populate;
893 k->pic_print_info = pnv_chip_power8_pic_print_info;
894 k->xscom_base = 0x003fc0000000000ull;
895 dc->desc = "PowerNV Chip POWER8E";
896
897 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
898 &k->parent_realize);
899 }
900
901 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
902 {
903 DeviceClass *dc = DEVICE_CLASS(klass);
904 PnvChipClass *k = PNV_CHIP_CLASS(klass);
905
906 k->chip_type = PNV_CHIP_POWER8;
907 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
908 k->cores_mask = POWER8_CORE_MASK;
909 k->core_pir = pnv_chip_core_pir_p8;
910 k->intc_create = pnv_chip_power8_intc_create;
911 k->isa_create = pnv_chip_power8_isa_create;
912 k->dt_populate = pnv_chip_power8_dt_populate;
913 k->pic_print_info = pnv_chip_power8_pic_print_info;
914 k->xscom_base = 0x003fc0000000000ull;
915 dc->desc = "PowerNV Chip POWER8";
916
917 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
918 &k->parent_realize);
919 }
920
921 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
922 {
923 DeviceClass *dc = DEVICE_CLASS(klass);
924 PnvChipClass *k = PNV_CHIP_CLASS(klass);
925
926 k->chip_type = PNV_CHIP_POWER8NVL;
927 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */
928 k->cores_mask = POWER8_CORE_MASK;
929 k->core_pir = pnv_chip_core_pir_p8;
930 k->intc_create = pnv_chip_power8_intc_create;
931 k->isa_create = pnv_chip_power8nvl_isa_create;
932 k->dt_populate = pnv_chip_power8_dt_populate;
933 k->pic_print_info = pnv_chip_power8_pic_print_info;
934 k->xscom_base = 0x003fc0000000000ull;
935 dc->desc = "PowerNV Chip POWER8NVL";
936
937 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
938 &k->parent_realize);
939 }
940
941 static void pnv_chip_power9_instance_init(Object *obj)
942 {
943 Pnv9Chip *chip9 = PNV9_CHIP(obj);
944
945 object_initialize_child(obj, "xive", &chip9->xive, sizeof(chip9->xive),
946 TYPE_PNV_XIVE, &error_abort, NULL);
947 object_property_add_const_link(OBJECT(&chip9->xive), "chip", obj,
948 &error_abort);
949
950 object_initialize_child(obj, "psi", &chip9->psi, sizeof(chip9->psi),
951 TYPE_PNV9_PSI, &error_abort, NULL);
952 object_property_add_const_link(OBJECT(&chip9->psi), "chip", obj,
953 &error_abort);
954
955 object_initialize_child(obj, "lpc", &chip9->lpc, sizeof(chip9->lpc),
956 TYPE_PNV9_LPC, &error_abort, NULL);
957 object_property_add_const_link(OBJECT(&chip9->lpc), "psi",
958 OBJECT(&chip9->psi), &error_abort);
959
960 object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ),
961 TYPE_PNV9_OCC, &error_abort, NULL);
962 object_property_add_const_link(OBJECT(&chip9->occ), "psi",
963 OBJECT(&chip9->psi), &error_abort);
964 }
965
966 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp)
967 {
968 PnvChip *chip = PNV_CHIP(chip9);
969 const char *typename = pnv_chip_core_typename(chip);
970 size_t typesize = object_type_get_instance_size(typename);
971 int i;
972
973 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
974 chip9->quads = g_new0(PnvQuad, chip9->nr_quads);
975
976 for (i = 0; i < chip9->nr_quads; i++) {
977 char eq_name[32];
978 PnvQuad *eq = &chip9->quads[i];
979 PnvCore *pnv_core = PNV_CORE(chip->cores + (i * 4) * typesize);
980 int core_id = CPU_CORE(pnv_core)->core_id;
981
982 object_initialize(eq, sizeof(*eq), TYPE_PNV_QUAD);
983 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id);
984
985 object_property_add_child(OBJECT(chip), eq_name, OBJECT(eq),
986 &error_fatal);
987 object_property_set_int(OBJECT(eq), core_id, "id", &error_fatal);
988 object_property_set_bool(OBJECT(eq), true, "realized", &error_fatal);
989 object_unref(OBJECT(eq));
990
991 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->id),
992 &eq->xscom_regs);
993 }
994 }
995
996 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
997 {
998 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
999 Pnv9Chip *chip9 = PNV9_CHIP(dev);
1000 PnvChip *chip = PNV_CHIP(dev);
1001 Pnv9Psi *psi9 = &chip9->psi;
1002 Error *local_err = NULL;
1003
1004 pcc->parent_realize(dev, &local_err);
1005 if (local_err) {
1006 error_propagate(errp, local_err);
1007 return;
1008 }
1009
1010 pnv_chip_quad_realize(chip9, &local_err);
1011 if (local_err) {
1012 error_propagate(errp, local_err);
1013 return;
1014 }
1015
1016 /* XIVE interrupt controller (POWER9) */
1017 object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_IC_BASE(chip),
1018 "ic-bar", &error_fatal);
1019 object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_VC_BASE(chip),
1020 "vc-bar", &error_fatal);
1021 object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_PC_BASE(chip),
1022 "pc-bar", &error_fatal);
1023 object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_TM_BASE(chip),
1024 "tm-bar", &error_fatal);
1025 object_property_set_bool(OBJECT(&chip9->xive), true, "realized",
1026 &local_err);
1027 if (local_err) {
1028 error_propagate(errp, local_err);
1029 return;
1030 }
1031 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE,
1032 &chip9->xive.xscom_regs);
1033
1034 /* Processor Service Interface (PSI) Host Bridge */
1035 object_property_set_int(OBJECT(&chip9->psi), PNV9_PSIHB_BASE(chip),
1036 "bar", &error_fatal);
1037 object_property_set_bool(OBJECT(&chip9->psi), true, "realized", &local_err);
1038 if (local_err) {
1039 error_propagate(errp, local_err);
1040 return;
1041 }
1042 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE,
1043 &PNV_PSI(psi9)->xscom_regs);
1044
1045 /* LPC */
1046 object_property_set_bool(OBJECT(&chip9->lpc), true, "realized", &local_err);
1047 if (local_err) {
1048 error_propagate(errp, local_err);
1049 return;
1050 }
1051 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip),
1052 &chip9->lpc.xscom_regs);
1053
1054 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
1055 (uint64_t) PNV9_LPCM_BASE(chip));
1056
1057 /* Create the simplified OCC model */
1058 object_property_set_bool(OBJECT(&chip9->occ), true, "realized", &local_err);
1059 if (local_err) {
1060 error_propagate(errp, local_err);
1061 return;
1062 }
1063 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs);
1064 }
1065
1066 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
1067 {
1068 DeviceClass *dc = DEVICE_CLASS(klass);
1069 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1070
1071 k->chip_type = PNV_CHIP_POWER9;
1072 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */
1073 k->cores_mask = POWER9_CORE_MASK;
1074 k->core_pir = pnv_chip_core_pir_p9;
1075 k->intc_create = pnv_chip_power9_intc_create;
1076 k->isa_create = pnv_chip_power9_isa_create;
1077 k->dt_populate = pnv_chip_power9_dt_populate;
1078 k->pic_print_info = pnv_chip_power9_pic_print_info;
1079 k->xscom_base = 0x00603fc00000000ull;
1080 dc->desc = "PowerNV Chip POWER9";
1081
1082 device_class_set_parent_realize(dc, pnv_chip_power9_realize,
1083 &k->parent_realize);
1084 }
1085
1086 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp)
1087 {
1088 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1089 int cores_max;
1090
1091 /*
1092 * No custom mask for this chip, let's use the default one from *
1093 * the chip class
1094 */
1095 if (!chip->cores_mask) {
1096 chip->cores_mask = pcc->cores_mask;
1097 }
1098
1099 /* filter alien core ids ! some are reserved */
1100 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) {
1101 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !",
1102 chip->cores_mask);
1103 return;
1104 }
1105 chip->cores_mask &= pcc->cores_mask;
1106
1107 /* now that we have a sane layout, let check the number of cores */
1108 cores_max = ctpop64(chip->cores_mask);
1109 if (chip->nr_cores > cores_max) {
1110 error_setg(errp, "warning: too many cores for chip ! Limit is %d",
1111 cores_max);
1112 return;
1113 }
1114 }
1115
1116 static void pnv_chip_instance_init(Object *obj)
1117 {
1118 PNV_CHIP(obj)->xscom_base = PNV_CHIP_GET_CLASS(obj)->xscom_base;
1119 }
1120
1121 static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
1122 {
1123 Error *error = NULL;
1124 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1125 const char *typename = pnv_chip_core_typename(chip);
1126 size_t typesize = object_type_get_instance_size(typename);
1127 int i, core_hwid;
1128
1129 if (!object_class_by_name(typename)) {
1130 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename);
1131 return;
1132 }
1133
1134 /* Cores */
1135 pnv_chip_core_sanitize(chip, &error);
1136 if (error) {
1137 error_propagate(errp, error);
1138 return;
1139 }
1140
1141 chip->cores = g_malloc0(typesize * chip->nr_cores);
1142
1143 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8)
1144 && (i < chip->nr_cores); core_hwid++) {
1145 char core_name[32];
1146 void *pnv_core = chip->cores + i * typesize;
1147 uint64_t xscom_core_base;
1148
1149 if (!(chip->cores_mask & (1ull << core_hwid))) {
1150 continue;
1151 }
1152
1153 object_initialize(pnv_core, typesize, typename);
1154 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid);
1155 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core),
1156 &error_fatal);
1157 object_property_set_int(OBJECT(pnv_core), smp_threads, "nr-threads",
1158 &error_fatal);
1159 object_property_set_int(OBJECT(pnv_core), core_hwid,
1160 CPU_CORE_PROP_CORE_ID, &error_fatal);
1161 object_property_set_int(OBJECT(pnv_core),
1162 pcc->core_pir(chip, core_hwid),
1163 "pir", &error_fatal);
1164 object_property_add_const_link(OBJECT(pnv_core), "chip",
1165 OBJECT(chip), &error_fatal);
1166 object_property_set_bool(OBJECT(pnv_core), true, "realized",
1167 &error_fatal);
1168 object_unref(OBJECT(pnv_core));
1169
1170 /* Each core has an XSCOM MMIO region */
1171 if (!pnv_chip_is_power9(chip)) {
1172 xscom_core_base = PNV_XSCOM_EX_BASE(core_hwid);
1173 } else {
1174 xscom_core_base = PNV9_XSCOM_EC_BASE(core_hwid);
1175 }
1176
1177 pnv_xscom_add_subregion(chip, xscom_core_base,
1178 &PNV_CORE(pnv_core)->xscom_regs);
1179 i++;
1180 }
1181 }
1182
1183 static void pnv_chip_realize(DeviceState *dev, Error **errp)
1184 {
1185 PnvChip *chip = PNV_CHIP(dev);
1186 Error *error = NULL;
1187
1188 /* XSCOM bridge */
1189 pnv_xscom_realize(chip, &error);
1190 if (error) {
1191 error_propagate(errp, error);
1192 return;
1193 }
1194 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip));
1195
1196 /* Cores */
1197 pnv_chip_core_realize(chip, &error);
1198 if (error) {
1199 error_propagate(errp, error);
1200 return;
1201 }
1202 }
1203
1204 static Property pnv_chip_properties[] = {
1205 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0),
1206 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0),
1207 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0),
1208 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1),
1209 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0),
1210 DEFINE_PROP_END_OF_LIST(),
1211 };
1212
1213 static void pnv_chip_class_init(ObjectClass *klass, void *data)
1214 {
1215 DeviceClass *dc = DEVICE_CLASS(klass);
1216
1217 set_bit(DEVICE_CATEGORY_CPU, dc->categories);
1218 dc->realize = pnv_chip_realize;
1219 dc->props = pnv_chip_properties;
1220 dc->desc = "PowerNV Chip";
1221 }
1222
1223 static ICSState *pnv_ics_get(XICSFabric *xi, int irq)
1224 {
1225 PnvMachineState *pnv = PNV_MACHINE(xi);
1226 int i;
1227
1228 for (i = 0; i < pnv->num_chips; i++) {
1229 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1230
1231 if (ics_valid_irq(&chip8->psi.ics, irq)) {
1232 return &chip8->psi.ics;
1233 }
1234 }
1235 return NULL;
1236 }
1237
1238 static void pnv_ics_resend(XICSFabric *xi)
1239 {
1240 PnvMachineState *pnv = PNV_MACHINE(xi);
1241 int i;
1242
1243 for (i = 0; i < pnv->num_chips; i++) {
1244 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1245 ics_resend(&chip8->psi.ics);
1246 }
1247 }
1248
1249 static ICPState *pnv_icp_get(XICSFabric *xi, int pir)
1250 {
1251 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir);
1252
1253 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL;
1254 }
1255
1256 static void pnv_pic_print_info(InterruptStatsProvider *obj,
1257 Monitor *mon)
1258 {
1259 PnvMachineState *pnv = PNV_MACHINE(obj);
1260 int i;
1261 CPUState *cs;
1262
1263 CPU_FOREACH(cs) {
1264 PowerPCCPU *cpu = POWERPC_CPU(cs);
1265
1266 if (pnv_chip_is_power9(pnv->chips[0])) {
1267 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon);
1268 } else {
1269 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon);
1270 }
1271 }
1272
1273 for (i = 0; i < pnv->num_chips; i++) {
1274 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon);
1275 }
1276 }
1277
1278 static void pnv_get_num_chips(Object *obj, Visitor *v, const char *name,
1279 void *opaque, Error **errp)
1280 {
1281 visit_type_uint32(v, name, &PNV_MACHINE(obj)->num_chips, errp);
1282 }
1283
1284 static void pnv_set_num_chips(Object *obj, Visitor *v, const char *name,
1285 void *opaque, Error **errp)
1286 {
1287 PnvMachineState *pnv = PNV_MACHINE(obj);
1288 uint32_t num_chips;
1289 Error *local_err = NULL;
1290
1291 visit_type_uint32(v, name, &num_chips, &local_err);
1292 if (local_err) {
1293 error_propagate(errp, local_err);
1294 return;
1295 }
1296
1297 /*
1298 * TODO: should we decide on how many chips we can create based
1299 * on #cores and Venice vs. Murano vs. Naples chip type etc...,
1300 */
1301 if (!is_power_of_2(num_chips) || num_chips > 4) {
1302 error_setg(errp, "invalid number of chips: '%d'", num_chips);
1303 return;
1304 }
1305
1306 pnv->num_chips = num_chips;
1307 }
1308
1309 static void pnv_machine_instance_init(Object *obj)
1310 {
1311 PnvMachineState *pnv = PNV_MACHINE(obj);
1312 pnv->num_chips = 1;
1313 }
1314
1315 static void pnv_machine_class_props_init(ObjectClass *oc)
1316 {
1317 object_class_property_add(oc, "num-chips", "uint32",
1318 pnv_get_num_chips, pnv_set_num_chips,
1319 NULL, NULL, NULL);
1320 object_class_property_set_description(oc, "num-chips",
1321 "Specifies the number of processor chips",
1322 NULL);
1323 }
1324
1325 static void pnv_machine_class_init(ObjectClass *oc, void *data)
1326 {
1327 MachineClass *mc = MACHINE_CLASS(oc);
1328 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc);
1329 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc);
1330
1331 mc->desc = "IBM PowerNV (Non-Virtualized)";
1332 mc->init = pnv_init;
1333 mc->reset = pnv_reset;
1334 mc->max_cpus = MAX_CPUS;
1335 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
1336 mc->block_default_type = IF_IDE; /* Pnv provides a AHCI device for
1337 * storage */
1338 mc->no_parallel = 1;
1339 mc->default_boot_order = NULL;
1340 mc->default_ram_size = 1 * GiB;
1341 xic->icp_get = pnv_icp_get;
1342 xic->ics_get = pnv_ics_get;
1343 xic->ics_resend = pnv_ics_resend;
1344 ispc->print_info = pnv_pic_print_info;
1345
1346 pnv_machine_class_props_init(oc);
1347 }
1348
1349 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
1350 { \
1351 .name = type, \
1352 .class_init = class_initfn, \
1353 .parent = TYPE_PNV8_CHIP, \
1354 }
1355
1356 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
1357 { \
1358 .name = type, \
1359 .class_init = class_initfn, \
1360 .parent = TYPE_PNV9_CHIP, \
1361 }
1362
1363 static const TypeInfo types[] = {
1364 {
1365 .name = TYPE_PNV_MACHINE,
1366 .parent = TYPE_MACHINE,
1367 .instance_size = sizeof(PnvMachineState),
1368 .instance_init = pnv_machine_instance_init,
1369 .class_init = pnv_machine_class_init,
1370 .interfaces = (InterfaceInfo[]) {
1371 { TYPE_XICS_FABRIC },
1372 { TYPE_INTERRUPT_STATS_PROVIDER },
1373 { },
1374 },
1375 },
1376 {
1377 .name = TYPE_PNV_CHIP,
1378 .parent = TYPE_SYS_BUS_DEVICE,
1379 .class_init = pnv_chip_class_init,
1380 .instance_init = pnv_chip_instance_init,
1381 .instance_size = sizeof(PnvChip),
1382 .class_size = sizeof(PnvChipClass),
1383 .abstract = true,
1384 },
1385
1386 /*
1387 * P9 chip and variants
1388 */
1389 {
1390 .name = TYPE_PNV9_CHIP,
1391 .parent = TYPE_PNV_CHIP,
1392 .instance_init = pnv_chip_power9_instance_init,
1393 .instance_size = sizeof(Pnv9Chip),
1394 },
1395 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init),
1396
1397 /*
1398 * P8 chip and variants
1399 */
1400 {
1401 .name = TYPE_PNV8_CHIP,
1402 .parent = TYPE_PNV_CHIP,
1403 .instance_init = pnv_chip_power8_instance_init,
1404 .instance_size = sizeof(Pnv8Chip),
1405 },
1406 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init),
1407 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init),
1408 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL,
1409 pnv_chip_power8nvl_class_init),
1410 };
1411
1412 DEFINE_TYPES(types)
AR7 emulation for QEMU