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ppc/pnv: Drop the "num-phbs" property
[qemu.git] / hw / ppc / pnv.c
blobbbebd21d7522e00554ac65b204fd214876c704d8
1 /*
2 * QEMU PowerPC PowerNV machine model
3 *
4 * Copyright (c) 2016, IBM Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
22 #include "qemu/datadir.h"
23 #include "qemu/units.h"
24 #include "qemu/cutils.h"
25 #include "qapi/error.h"
26 #include "sysemu/qtest.h"
27 #include "sysemu/sysemu.h"
28 #include "sysemu/numa.h"
29 #include "sysemu/reset.h"
30 #include "sysemu/runstate.h"
31 #include "sysemu/cpus.h"
32 #include "sysemu/device_tree.h"
33 #include "sysemu/hw_accel.h"
34 #include "target/ppc/cpu.h"
35 #include "hw/ppc/fdt.h"
36 #include "hw/ppc/ppc.h"
37 #include "hw/ppc/pnv.h"
38 #include "hw/ppc/pnv_core.h"
39 #include "hw/loader.h"
40 #include "hw/nmi.h"
41 #include "qapi/visitor.h"
42 #include "monitor/monitor.h"
43 #include "hw/intc/intc.h"
44 #include "hw/ipmi/ipmi.h"
45 #include "target/ppc/mmu-hash64.h"
46 #include "hw/pci/msi.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 uint32_t servers_prop[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))));
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 void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt)
285 {
286 static const char compat[] = "ibm,power8-xscom\0ibm,xscom";
287 int i;
288
289 pnv_dt_xscom(chip, fdt, 0,
290 cpu_to_be64(PNV_XSCOM_BASE(chip)),
291 cpu_to_be64(PNV_XSCOM_SIZE),
292 compat, sizeof(compat));
293
294 for (i = 0; i < chip->nr_cores; i++) {
295 PnvCore *pnv_core = chip->cores[i];
296
297 pnv_dt_core(chip, pnv_core, fdt);
298
299 /* Interrupt Control Presenters (ICP). One per core. */
300 pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads);
301 }
302
303 if (chip->ram_size) {
304 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
305 }
306 }
307
308 static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt)
309 {
310 static const char compat[] = "ibm,power9-xscom\0ibm,xscom";
311 int i;
312
313 pnv_dt_xscom(chip, fdt, 0,
314 cpu_to_be64(PNV9_XSCOM_BASE(chip)),
315 cpu_to_be64(PNV9_XSCOM_SIZE),
316 compat, sizeof(compat));
317
318 for (i = 0; i < chip->nr_cores; i++) {
319 PnvCore *pnv_core = chip->cores[i];
320
321 pnv_dt_core(chip, pnv_core, fdt);
322 }
323
324 if (chip->ram_size) {
325 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
326 }
327
328 pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE);
329 }
330
331 static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt)
332 {
333 static const char compat[] = "ibm,power10-xscom\0ibm,xscom";
334 int i;
335
336 pnv_dt_xscom(chip, fdt, 0,
337 cpu_to_be64(PNV10_XSCOM_BASE(chip)),
338 cpu_to_be64(PNV10_XSCOM_SIZE),
339 compat, sizeof(compat));
340
341 for (i = 0; i < chip->nr_cores; i++) {
342 PnvCore *pnv_core = chip->cores[i];
343
344 pnv_dt_core(chip, pnv_core, fdt);
345 }
346
347 if (chip->ram_size) {
348 pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
349 }
350
351 pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE);
352 }
353
354 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
355 {
356 uint32_t io_base = d->ioport_id;
357 uint32_t io_regs[] = {
358 cpu_to_be32(1),
359 cpu_to_be32(io_base),
360 cpu_to_be32(2)
361 };
362 char *name;
363 int node;
364
365 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
366 node = fdt_add_subnode(fdt, lpc_off, name);
367 _FDT(node);
368 g_free(name);
369
370 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
371 _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
372 }
373
374 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off)
375 {
376 const char compatible[] = "ns16550\0pnpPNP,501";
377 uint32_t io_base = d->ioport_id;
378 uint32_t io_regs[] = {
379 cpu_to_be32(1),
380 cpu_to_be32(io_base),
381 cpu_to_be32(8)
382 };
383 char *name;
384 int node;
385
386 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
387 node = fdt_add_subnode(fdt, lpc_off, name);
388 _FDT(node);
389 g_free(name);
390
391 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
392 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
393 sizeof(compatible))));
394
395 _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
396 _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
397 _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0])));
398 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
399 fdt_get_phandle(fdt, lpc_off))));
400
401 /* This is needed by Linux */
402 _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
403 }
404
405 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off)
406 {
407 const char compatible[] = "bt\0ipmi-bt";
408 uint32_t io_base;
409 uint32_t io_regs[] = {
410 cpu_to_be32(1),
411 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
412 cpu_to_be32(3)
413 };
414 uint32_t irq;
415 char *name;
416 int node;
417
418 io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal);
419 io_regs[1] = cpu_to_be32(io_base);
420
421 irq = object_property_get_int(OBJECT(d), "irq", &error_fatal);
422
423 name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
424 node = fdt_add_subnode(fdt, lpc_off, name);
425 _FDT(node);
426 g_free(name);
427
428 _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
429 _FDT((fdt_setprop(fdt, node, "compatible", compatible,
430 sizeof(compatible))));
431
432 /* Mark it as reserved to avoid Linux trying to claim it */
433 _FDT((fdt_setprop_string(fdt, node, "status", "reserved")));
434 _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq)));
435 _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
436 fdt_get_phandle(fdt, lpc_off))));
437 }
438
439 typedef struct ForeachPopulateArgs {
440 void *fdt;
441 int offset;
442 } ForeachPopulateArgs;
443
444 static int pnv_dt_isa_device(DeviceState *dev, void *opaque)
445 {
446 ForeachPopulateArgs *args = opaque;
447 ISADevice *d = ISA_DEVICE(dev);
448
449 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
450 pnv_dt_rtc(d, args->fdt, args->offset);
451 } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
452 pnv_dt_serial(d, args->fdt, args->offset);
453 } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) {
454 pnv_dt_ipmi_bt(d, args->fdt, args->offset);
455 } else {
456 error_report("unknown isa device %s@i%x", qdev_fw_name(dev),
457 d->ioport_id);
458 }
459
460 return 0;
461 }
462
463 /*
464 * The default LPC bus of a multichip system is on chip 0. It's
465 * recognized by the firmware (skiboot) using a "primary" property.
466 */
467 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
468 {
469 int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename);
470 ForeachPopulateArgs args = {
471 .fdt = fdt,
472 .offset = isa_offset,
473 };
474 uint32_t phandle;
475
476 _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0)));
477
478 phandle = qemu_fdt_alloc_phandle(fdt);
479 assert(phandle > 0);
480 _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle)));
481
482 /*
483 * ISA devices are not necessarily parented to the ISA bus so we
484 * can not use object_child_foreach()
485 */
486 qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL,
487 &args);
488 }
489
490 static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt)
491 {
492 int off;
493
494 off = fdt_add_subnode(fdt, 0, "ibm,opal");
495 off = fdt_add_subnode(fdt, off, "power-mgt");
496
497 _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000));
498 }
499
500 static void *pnv_dt_create(MachineState *machine)
501 {
502 PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine);
503 PnvMachineState *pnv = PNV_MACHINE(machine);
504 void *fdt;
505 char *buf;
506 int off;
507 int i;
508
509 fdt = g_malloc0(FDT_MAX_SIZE);
510 _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
511
512 /* /qemu node */
513 _FDT((fdt_add_subnode(fdt, 0, "qemu")));
514
515 /* Root node */
516 _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2)));
517 _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2)));
518 _FDT((fdt_setprop_string(fdt, 0, "model",
519 "IBM PowerNV (emulated by qemu)")));
520 _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size)));
521
522 buf = qemu_uuid_unparse_strdup(&qemu_uuid);
523 _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf)));
524 if (qemu_uuid_set) {
525 _FDT((fdt_setprop_string(fdt, 0, "system-id", buf)));
526 }
527 g_free(buf);
528
529 off = fdt_add_subnode(fdt, 0, "chosen");
530 if (machine->kernel_cmdline) {
531 _FDT((fdt_setprop_string(fdt, off, "bootargs",
532 machine->kernel_cmdline)));
533 }
534
535 if (pnv->initrd_size) {
536 uint32_t start_prop = cpu_to_be32(pnv->initrd_base);
537 uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size);
538
539 _FDT((fdt_setprop(fdt, off, "linux,initrd-start",
540 &start_prop, sizeof(start_prop))));
541 _FDT((fdt_setprop(fdt, off, "linux,initrd-end",
542 &end_prop, sizeof(end_prop))));
543 }
544
545 /* Populate device tree for each chip */
546 for (i = 0; i < pnv->num_chips; i++) {
547 PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt);
548 }
549
550 /* Populate ISA devices on chip 0 */
551 pnv_dt_isa(pnv, fdt);
552
553 if (pnv->bmc) {
554 pnv_dt_bmc_sensors(pnv->bmc, fdt);
555 }
556
557 /* Create an extra node for power management on machines that support it */
558 if (pmc->dt_power_mgt) {
559 pmc->dt_power_mgt(pnv, fdt);
560 }
561
562 return fdt;
563 }
564
565 static void pnv_powerdown_notify(Notifier *n, void *opaque)
566 {
567 PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier);
568
569 if (pnv->bmc) {
570 pnv_bmc_powerdown(pnv->bmc);
571 }
572 }
573
574 static void pnv_reset(MachineState *machine)
575 {
576 PnvMachineState *pnv = PNV_MACHINE(machine);
577 IPMIBmc *bmc;
578 void *fdt;
579
580 qemu_devices_reset();
581
582 /*
583 * The machine should provide by default an internal BMC simulator.
584 * If not, try to use the BMC device that was provided on the command
585 * line.
586 */
587 bmc = pnv_bmc_find(&error_fatal);
588 if (!pnv->bmc) {
589 if (!bmc) {
590 if (!qtest_enabled()) {
591 warn_report("machine has no BMC device. Use '-device "
592 "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' "
593 "to define one");
594 }
595 } else {
596 pnv_bmc_set_pnor(bmc, pnv->pnor);
597 pnv->bmc = bmc;
598 }
599 }
600
601 fdt = pnv_dt_create(machine);
602
603 /* Pack resulting tree */
604 _FDT((fdt_pack(fdt)));
605
606 qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt));
607 cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));
608
609 g_free(fdt);
610 }
611
612 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp)
613 {
614 Pnv8Chip *chip8 = PNV8_CHIP(chip);
615 return pnv_lpc_isa_create(&chip8->lpc, true, errp);
616 }
617
618 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp)
619 {
620 Pnv8Chip *chip8 = PNV8_CHIP(chip);
621 return pnv_lpc_isa_create(&chip8->lpc, false, errp);
622 }
623
624 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp)
625 {
626 Pnv9Chip *chip9 = PNV9_CHIP(chip);
627 return pnv_lpc_isa_create(&chip9->lpc, false, errp);
628 }
629
630 static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp)
631 {
632 Pnv10Chip *chip10 = PNV10_CHIP(chip);
633 return pnv_lpc_isa_create(&chip10->lpc, false, errp);
634 }
635
636 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
637 {
638 return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp);
639 }
640
641 static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon)
642 {
643 Pnv8Chip *chip8 = PNV8_CHIP(chip);
644 int i;
645
646 ics_pic_print_info(&chip8->psi.ics, mon);
647 for (i = 0; i < chip->num_phbs; i++) {
648 pnv_phb3_msi_pic_print_info(&chip8->phbs[i].msis, mon);
649 ics_pic_print_info(&chip8->phbs[i].lsis, mon);
650 }
651 }
652
653 static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon)
654 {
655 Pnv9Chip *chip9 = PNV9_CHIP(chip);
656 int i, j;
657
658 pnv_xive_pic_print_info(&chip9->xive, mon);
659 pnv_psi_pic_print_info(&chip9->psi, mon);
660
661 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) {
662 PnvPhb4PecState *pec = &chip9->pecs[i];
663 for (j = 0; j < pec->num_stacks; j++) {
664 pnv_phb4_pic_print_info(&pec->stacks[j].phb, mon);
665 }
666 }
667 }
668
669 static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip,
670 uint32_t core_id)
671 {
672 return PNV_XSCOM_EX_BASE(core_id);
673 }
674
675 static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip,
676 uint32_t core_id)
677 {
678 return PNV9_XSCOM_EC_BASE(core_id);
679 }
680
681 static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip,
682 uint32_t core_id)
683 {
684 return PNV10_XSCOM_EC_BASE(core_id);
685 }
686
687 static bool pnv_match_cpu(const char *default_type, const char *cpu_type)
688 {
689 PowerPCCPUClass *ppc_default =
690 POWERPC_CPU_CLASS(object_class_by_name(default_type));
691 PowerPCCPUClass *ppc =
692 POWERPC_CPU_CLASS(object_class_by_name(cpu_type));
693
694 return ppc_default->pvr_match(ppc_default, ppc->pvr);
695 }
696
697 static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq)
698 {
699 ISADevice *dev = isa_new("isa-ipmi-bt");
700
701 object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal);
702 object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal);
703 isa_realize_and_unref(dev, bus, &error_fatal);
704 }
705
706 static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon)
707 {
708 Pnv10Chip *chip10 = PNV10_CHIP(chip);
709
710 pnv_psi_pic_print_info(&chip10->psi, mon);
711 }
712
713 /* Always give the first 1GB to chip 0 else we won't boot */
714 static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id)
715 {
716 MachineState *machine = MACHINE(pnv);
717 uint64_t ram_per_chip;
718
719 assert(machine->ram_size >= 1 * GiB);
720
721 ram_per_chip = machine->ram_size / pnv->num_chips;
722 if (ram_per_chip >= 1 * GiB) {
723 return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
724 }
725
726 assert(pnv->num_chips > 1);
727
728 ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1);
729 return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
730 }
731
732 static void pnv_init(MachineState *machine)
733 {
734 const char *bios_name = machine->firmware ?: FW_FILE_NAME;
735 PnvMachineState *pnv = PNV_MACHINE(machine);
736 MachineClass *mc = MACHINE_GET_CLASS(machine);
737 char *fw_filename;
738 long fw_size;
739 uint64_t chip_ram_start = 0;
740 int i;
741 char *chip_typename;
742 DriveInfo *pnor = drive_get(IF_MTD, 0, 0);
743 DeviceState *dev;
744
745 if (kvm_enabled()) {
746 error_report("The powernv machine does not work with KVM acceleration");
747 exit(EXIT_FAILURE);
748 }
749
750 /* allocate RAM */
751 if (machine->ram_size < mc->default_ram_size) {
752 char *sz = size_to_str(mc->default_ram_size);
753 error_report("Invalid RAM size, should be bigger than %s", sz);
754 g_free(sz);
755 exit(EXIT_FAILURE);
756 }
757 memory_region_add_subregion(get_system_memory(), 0, machine->ram);
758
759 /*
760 * Create our simple PNOR device
761 */
762 dev = qdev_new(TYPE_PNV_PNOR);
763 if (pnor) {
764 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor));
765 }
766 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
767 pnv->pnor = PNV_PNOR(dev);
768
769 /* load skiboot firmware */
770 fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
771 if (!fw_filename) {
772 error_report("Could not find OPAL firmware '%s'", bios_name);
773 exit(1);
774 }
775
776 fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE);
777 if (fw_size < 0) {
778 error_report("Could not load OPAL firmware '%s'", fw_filename);
779 exit(1);
780 }
781 g_free(fw_filename);
782
783 /* load kernel */
784 if (machine->kernel_filename) {
785 long kernel_size;
786
787 kernel_size = load_image_targphys(machine->kernel_filename,
788 KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE);
789 if (kernel_size < 0) {
790 error_report("Could not load kernel '%s'",
791 machine->kernel_filename);
792 exit(1);
793 }
794 }
795
796 /* load initrd */
797 if (machine->initrd_filename) {
798 pnv->initrd_base = INITRD_LOAD_ADDR;
799 pnv->initrd_size = load_image_targphys(machine->initrd_filename,
800 pnv->initrd_base, INITRD_MAX_SIZE);
801 if (pnv->initrd_size < 0) {
802 error_report("Could not load initial ram disk '%s'",
803 machine->initrd_filename);
804 exit(1);
805 }
806 }
807
808 /* MSIs are supported on this platform */
809 msi_nonbroken = true;
810
811 /*
812 * Check compatibility of the specified CPU with the machine
813 * default.
814 */
815 if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) {
816 error_report("invalid CPU model '%s' for %s machine",
817 machine->cpu_type, mc->name);
818 exit(1);
819 }
820
821 /* Create the processor chips */
822 i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
823 chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
824 i, machine->cpu_type);
825 if (!object_class_by_name(chip_typename)) {
826 error_report("invalid chip model '%.*s' for %s machine",
827 i, machine->cpu_type, mc->name);
828 exit(1);
829 }
830
831 pnv->num_chips =
832 machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads);
833 /*
834 * TODO: should we decide on how many chips we can create based
835 * on #cores and Venice vs. Murano vs. Naples chip type etc...,
836 */
837 if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 16) {
838 error_report("invalid number of chips: '%d'", pnv->num_chips);
839 error_printf(
840 "Try '-smp sockets=N'. Valid values are : 1, 2, 4, 8 and 16.\n");
841 exit(1);
842 }
843
844 pnv->chips = g_new0(PnvChip *, pnv->num_chips);
845 for (i = 0; i < pnv->num_chips; i++) {
846 char chip_name[32];
847 Object *chip = OBJECT(qdev_new(chip_typename));
848 uint64_t chip_ram_size = pnv_chip_get_ram_size(pnv, i);
849
850 pnv->chips[i] = PNV_CHIP(chip);
851
852 /* Distribute RAM among the chips */
853 object_property_set_int(chip, "ram-start", chip_ram_start,
854 &error_fatal);
855 object_property_set_int(chip, "ram-size", chip_ram_size,
856 &error_fatal);
857 chip_ram_start += chip_ram_size;
858
859 snprintf(chip_name, sizeof(chip_name), "chip[%d]", i);
860 object_property_add_child(OBJECT(pnv), chip_name, chip);
861 object_property_set_int(chip, "chip-id", i, &error_fatal);
862 object_property_set_int(chip, "nr-cores", machine->smp.cores,
863 &error_fatal);
864 object_property_set_int(chip, "nr-threads", machine->smp.threads,
865 &error_fatal);
866 /*
867 * The POWER8 machine use the XICS interrupt interface.
868 * Propagate the XICS fabric to the chip and its controllers.
869 */
870 if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) {
871 object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort);
872 }
873 if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) {
874 object_property_set_link(chip, "xive-fabric", OBJECT(pnv),
875 &error_abort);
876 }
877 sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal);
878 }
879 g_free(chip_typename);
880
881 /* Instantiate ISA bus on chip 0 */
882 pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal);
883
884 /* Create serial port */
885 serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS);
886
887 /* Create an RTC ISA device too */
888 mc146818_rtc_init(pnv->isa_bus, 2000, NULL);
889
890 /*
891 * Create the machine BMC simulator and the IPMI BT device for
892 * communication with the BMC
893 */
894 if (defaults_enabled()) {
895 pnv->bmc = pnv_bmc_create(pnv->pnor);
896 pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10);
897 }
898
899 /*
900 * The PNOR is mapped on the LPC FW address space by the BMC.
901 * Since we can not reach the remote BMC machine with LPC memops,
902 * map it always for now.
903 */
904 memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET,
905 &pnv->pnor->mmio);
906
907 /*
908 * OpenPOWER systems use a IPMI SEL Event message to notify the
909 * host to powerdown
910 */
911 pnv->powerdown_notifier.notify = pnv_powerdown_notify;
912 qemu_register_powerdown_notifier(&pnv->powerdown_notifier);
913 }
914
915 /*
916 * 0:21 Reserved - Read as zeros
917 * 22:24 Chip ID
918 * 25:28 Core number
919 * 29:31 Thread ID
920 */
921 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id)
922 {
923 return (chip->chip_id << 7) | (core_id << 3);
924 }
925
926 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
927 Error **errp)
928 {
929 Pnv8Chip *chip8 = PNV8_CHIP(chip);
930 Error *local_err = NULL;
931 Object *obj;
932 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
933
934 obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err);
935 if (local_err) {
936 error_propagate(errp, local_err);
937 return;
938 }
939
940 pnv_cpu->intc = obj;
941 }
942
943
944 static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
945 {
946 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
947
948 icp_reset(ICP(pnv_cpu->intc));
949 }
950
951 static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
952 {
953 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
954
955 icp_destroy(ICP(pnv_cpu->intc));
956 pnv_cpu->intc = NULL;
957 }
958
959 static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
960 Monitor *mon)
961 {
962 icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon);
963 }
964
965 /*
966 * 0:48 Reserved - Read as zeroes
967 * 49:52 Node ID
968 * 53:55 Chip ID
969 * 56 Reserved - Read as zero
970 * 57:61 Core number
971 * 62:63 Thread ID
972 *
973 * We only care about the lower bits. uint32_t is fine for the moment.
974 */
975 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id)
976 {
977 return (chip->chip_id << 8) | (core_id << 2);
978 }
979
980 static uint32_t pnv_chip_core_pir_p10(PnvChip *chip, uint32_t core_id)
981 {
982 return (chip->chip_id << 8) | (core_id << 2);
983 }
984
985 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu,
986 Error **errp)
987 {
988 Pnv9Chip *chip9 = PNV9_CHIP(chip);
989 Error *local_err = NULL;
990 Object *obj;
991 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
992
993 /*
994 * The core creates its interrupt presenter but the XIVE interrupt
995 * controller object is initialized afterwards. Hopefully, it's
996 * only used at runtime.
997 */
998 obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive),
999 &local_err);
1000 if (local_err) {
1001 error_propagate(errp, local_err);
1002 return;
1003 }
1004
1005 pnv_cpu->intc = obj;
1006 }
1007
1008 static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
1009 {
1010 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1011
1012 xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc));
1013 }
1014
1015 static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
1016 {
1017 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1018
1019 xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc));
1020 pnv_cpu->intc = NULL;
1021 }
1022
1023 static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
1024 Monitor *mon)
1025 {
1026 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon);
1027 }
1028
1029 static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu,
1030 Error **errp)
1031 {
1032 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1033
1034 /* Will be defined when the interrupt controller is */
1035 pnv_cpu->intc = NULL;
1036 }
1037
1038 static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu)
1039 {
1040 ;
1041 }
1042
1043 static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu)
1044 {
1045 PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
1046
1047 pnv_cpu->intc = NULL;
1048 }
1049
1050 static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
1051 Monitor *mon)
1052 {
1053 }
1054
1055 /*
1056 * Allowed core identifiers on a POWER8 Processor Chip :
1057 *
1058 * <EX0 reserved>
1059 * EX1 - Venice only
1060 * EX2 - Venice only
1061 * EX3 - Venice only
1062 * EX4
1063 * EX5
1064 * EX6
1065 * <EX7,8 reserved> <reserved>
1066 * EX9 - Venice only
1067 * EX10 - Venice only
1068 * EX11 - Venice only
1069 * EX12
1070 * EX13
1071 * EX14
1072 * <EX15 reserved>
1073 */
1074 #define POWER8E_CORE_MASK (0x7070ull)
1075 #define POWER8_CORE_MASK (0x7e7eull)
1076
1077 /*
1078 * POWER9 has 24 cores, ids starting at 0x0
1079 */
1080 #define POWER9_CORE_MASK (0xffffffffffffffull)
1081
1082
1083 #define POWER10_CORE_MASK (0xffffffffffffffull)
1084
1085 static void pnv_chip_power8_instance_init(Object *obj)
1086 {
1087 PnvChip *chip = PNV_CHIP(obj);
1088 Pnv8Chip *chip8 = PNV8_CHIP(obj);
1089 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
1090 int i;
1091
1092 object_property_add_link(obj, "xics", TYPE_XICS_FABRIC,
1093 (Object **)&chip8->xics,
1094 object_property_allow_set_link,
1095 OBJ_PROP_LINK_STRONG);
1096
1097 object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI);
1098
1099 object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC);
1100
1101 object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC);
1102
1103 object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER);
1104
1105 for (i = 0; i < pcc->num_phbs; i++) {
1106 object_initialize_child(obj, "phb[*]", &chip8->phbs[i], TYPE_PNV_PHB3);
1107 }
1108
1109 /*
1110 * Number of PHBs is the chip default
1111 */
1112 chip->num_phbs = pcc->num_phbs;
1113 }
1114
1115 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp)
1116 {
1117 PnvChip *chip = PNV_CHIP(chip8);
1118 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1119 int i, j;
1120 char *name;
1121
1122 name = g_strdup_printf("icp-%x", chip->chip_id);
1123 memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE);
1124 sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio);
1125 g_free(name);
1126
1127 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip));
1128
1129 /* Map the ICP registers for each thread */
1130 for (i = 0; i < chip->nr_cores; i++) {
1131 PnvCore *pnv_core = chip->cores[i];
1132 int core_hwid = CPU_CORE(pnv_core)->core_id;
1133
1134 for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) {
1135 uint32_t pir = pcc->core_pir(chip, core_hwid) + j;
1136 PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir));
1137
1138 memory_region_add_subregion(&chip8->icp_mmio, pir << 12,
1139 &icp->mmio);
1140 }
1141 }
1142 }
1143
1144 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
1145 {
1146 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1147 PnvChip *chip = PNV_CHIP(dev);
1148 Pnv8Chip *chip8 = PNV8_CHIP(dev);
1149 Pnv8Psi *psi8 = &chip8->psi;
1150 Error *local_err = NULL;
1151 int i;
1152
1153 assert(chip8->xics);
1154
1155 /* XSCOM bridge is first */
1156 pnv_xscom_realize(chip, PNV_XSCOM_SIZE, &local_err);
1157 if (local_err) {
1158 error_propagate(errp, local_err);
1159 return;
1160 }
1161 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip));
1162
1163 pcc->parent_realize(dev, &local_err);
1164 if (local_err) {
1165 error_propagate(errp, local_err);
1166 return;
1167 }
1168
1169 /* Processor Service Interface (PSI) Host Bridge */
1170 object_property_set_int(OBJECT(&chip8->psi), "bar", PNV_PSIHB_BASE(chip),
1171 &error_fatal);
1172 object_property_set_link(OBJECT(&chip8->psi), ICS_PROP_XICS,
1173 OBJECT(chip8->xics), &error_abort);
1174 if (!qdev_realize(DEVICE(&chip8->psi), NULL, errp)) {
1175 return;
1176 }
1177 pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE,
1178 &PNV_PSI(psi8)->xscom_regs);
1179
1180 /* Create LPC controller */
1181 object_property_set_link(OBJECT(&chip8->lpc), "psi", OBJECT(&chip8->psi),
1182 &error_abort);
1183 qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal);
1184 pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs);
1185
1186 chip->fw_mr = &chip8->lpc.isa_fw;
1187 chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
1188 (uint64_t) PNV_XSCOM_BASE(chip),
1189 PNV_XSCOM_LPC_BASE);
1190
1191 /*
1192 * Interrupt Management Area. This is the memory region holding
1193 * all the Interrupt Control Presenter (ICP) registers
1194 */
1195 pnv_chip_icp_realize(chip8, &local_err);
1196 if (local_err) {
1197 error_propagate(errp, local_err);
1198 return;
1199 }
1200
1201 /* Create the simplified OCC model */
1202 object_property_set_link(OBJECT(&chip8->occ), "psi", OBJECT(&chip8->psi),
1203 &error_abort);
1204 if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) {
1205 return;
1206 }
1207 pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs);
1208
1209 /* OCC SRAM model */
1210 memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip),
1211 &chip8->occ.sram_regs);
1212
1213 /* HOMER */
1214 object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip),
1215 &error_abort);
1216 if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) {
1217 return;
1218 }
1219 /* Homer Xscom region */
1220 pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs);
1221
1222 /* Homer mmio region */
1223 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip),
1224 &chip8->homer.regs);
1225
1226 /* PHB3 controllers */
1227 for (i = 0; i < chip->num_phbs; i++) {
1228 PnvPHB3 *phb = &chip8->phbs[i];
1229 PnvPBCQState *pbcq = &phb->pbcq;
1230
1231 object_property_set_int(OBJECT(phb), "index", i, &error_fatal);
1232 object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id,
1233 &error_fatal);
1234 object_property_set_link(OBJECT(phb), "chip", OBJECT(chip),
1235 &error_fatal);
1236 if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) {
1237 return;
1238 }
1239
1240 /* Populate the XSCOM address space. */
1241 pnv_xscom_add_subregion(chip,
1242 PNV_XSCOM_PBCQ_NEST_BASE + 0x400 * phb->phb_id,
1243 &pbcq->xscom_nest_regs);
1244 pnv_xscom_add_subregion(chip,
1245 PNV_XSCOM_PBCQ_PCI_BASE + 0x400 * phb->phb_id,
1246 &pbcq->xscom_pci_regs);
1247 pnv_xscom_add_subregion(chip,
1248 PNV_XSCOM_PBCQ_SPCI_BASE + 0x040 * phb->phb_id,
1249 &pbcq->xscom_spci_regs);
1250 }
1251 }
1252
1253 static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr)
1254 {
1255 addr &= (PNV_XSCOM_SIZE - 1);
1256 return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf);
1257 }
1258
1259 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
1260 {
1261 DeviceClass *dc = DEVICE_CLASS(klass);
1262 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1263
1264 k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */
1265 k->cores_mask = POWER8E_CORE_MASK;
1266 k->num_phbs = 3;
1267 k->core_pir = pnv_chip_core_pir_p8;
1268 k->intc_create = pnv_chip_power8_intc_create;
1269 k->intc_reset = pnv_chip_power8_intc_reset;
1270 k->intc_destroy = pnv_chip_power8_intc_destroy;
1271 k->intc_print_info = pnv_chip_power8_intc_print_info;
1272 k->isa_create = pnv_chip_power8_isa_create;
1273 k->dt_populate = pnv_chip_power8_dt_populate;
1274 k->pic_print_info = pnv_chip_power8_pic_print_info;
1275 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1276 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1277 dc->desc = "PowerNV Chip POWER8E";
1278
1279 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1280 &k->parent_realize);
1281 }
1282
1283 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
1284 {
1285 DeviceClass *dc = DEVICE_CLASS(klass);
1286 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1287
1288 k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
1289 k->cores_mask = POWER8_CORE_MASK;
1290 k->num_phbs = 3;
1291 k->core_pir = pnv_chip_core_pir_p8;
1292 k->intc_create = pnv_chip_power8_intc_create;
1293 k->intc_reset = pnv_chip_power8_intc_reset;
1294 k->intc_destroy = pnv_chip_power8_intc_destroy;
1295 k->intc_print_info = pnv_chip_power8_intc_print_info;
1296 k->isa_create = pnv_chip_power8_isa_create;
1297 k->dt_populate = pnv_chip_power8_dt_populate;
1298 k->pic_print_info = pnv_chip_power8_pic_print_info;
1299 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1300 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1301 dc->desc = "PowerNV Chip POWER8";
1302
1303 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1304 &k->parent_realize);
1305 }
1306
1307 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
1308 {
1309 DeviceClass *dc = DEVICE_CLASS(klass);
1310 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1311
1312 k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */
1313 k->cores_mask = POWER8_CORE_MASK;
1314 k->num_phbs = 3;
1315 k->core_pir = pnv_chip_core_pir_p8;
1316 k->intc_create = pnv_chip_power8_intc_create;
1317 k->intc_reset = pnv_chip_power8_intc_reset;
1318 k->intc_destroy = pnv_chip_power8_intc_destroy;
1319 k->intc_print_info = pnv_chip_power8_intc_print_info;
1320 k->isa_create = pnv_chip_power8nvl_isa_create;
1321 k->dt_populate = pnv_chip_power8_dt_populate;
1322 k->pic_print_info = pnv_chip_power8_pic_print_info;
1323 k->xscom_core_base = pnv_chip_power8_xscom_core_base;
1324 k->xscom_pcba = pnv_chip_power8_xscom_pcba;
1325 dc->desc = "PowerNV Chip POWER8NVL";
1326
1327 device_class_set_parent_realize(dc, pnv_chip_power8_realize,
1328 &k->parent_realize);
1329 }
1330
1331 static void pnv_chip_power9_instance_init(Object *obj)
1332 {
1333 PnvChip *chip = PNV_CHIP(obj);
1334 Pnv9Chip *chip9 = PNV9_CHIP(obj);
1335 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
1336 int i;
1337
1338 object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE);
1339 object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive),
1340 "xive-fabric");
1341
1342 object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI);
1343
1344 object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC);
1345
1346 object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC);
1347
1348 object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER);
1349
1350 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) {
1351 object_initialize_child(obj, "pec[*]", &chip9->pecs[i],
1352 TYPE_PNV_PHB4_PEC);
1353 }
1354
1355 /*
1356 * Number of PHBs is the chip default
1357 */
1358 chip->num_phbs = pcc->num_phbs;
1359 }
1360
1361 static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp)
1362 {
1363 PnvChip *chip = PNV_CHIP(chip9);
1364 int i;
1365
1366 chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
1367 chip9->quads = g_new0(PnvQuad, chip9->nr_quads);
1368
1369 for (i = 0; i < chip9->nr_quads; i++) {
1370 char eq_name[32];
1371 PnvQuad *eq = &chip9->quads[i];
1372 PnvCore *pnv_core = chip->cores[i * 4];
1373 int core_id = CPU_CORE(pnv_core)->core_id;
1374
1375 snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id);
1376 object_initialize_child_with_props(OBJECT(chip), eq_name, eq,
1377 sizeof(*eq), TYPE_PNV_QUAD,
1378 &error_fatal, NULL);
1379
1380 object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal);
1381 qdev_realize(DEVICE(eq), NULL, &error_fatal);
1382
1383 pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id),
1384 &eq->xscom_regs);
1385 }
1386 }
1387
1388 static void pnv_chip_power9_phb_realize(PnvChip *chip, Error **errp)
1389 {
1390 Pnv9Chip *chip9 = PNV9_CHIP(chip);
1391 int i, j;
1392 int phb_id = 0;
1393
1394 for (i = 0; i < PNV9_CHIP_MAX_PEC; i++) {
1395 PnvPhb4PecState *pec = &chip9->pecs[i];
1396 PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
1397 uint32_t pec_nest_base;
1398 uint32_t pec_pci_base;
1399
1400 object_property_set_int(OBJECT(pec), "index", i, &error_fatal);
1401 /*
1402 * PEC0 -> 1 stack
1403 * PEC1 -> 2 stacks
1404 * PEC2 -> 3 stacks
1405 */
1406 object_property_set_int(OBJECT(pec), "num-stacks", i + 1,
1407 &error_fatal);
1408 object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id,
1409 &error_fatal);
1410 object_property_set_link(OBJECT(pec), "system-memory",
1411 OBJECT(get_system_memory()), &error_abort);
1412 if (!qdev_realize(DEVICE(pec), NULL, errp)) {
1413 return;
1414 }
1415
1416 pec_nest_base = pecc->xscom_nest_base(pec);
1417 pec_pci_base = pecc->xscom_pci_base(pec);
1418
1419 pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr);
1420 pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr);
1421
1422 for (j = 0; j < pec->num_stacks && phb_id < chip->num_phbs;
1423 j++, phb_id++) {
1424 PnvPhb4PecStack *stack = &pec->stacks[j];
1425 Object *obj = OBJECT(&stack->phb);
1426
1427 object_property_set_int(obj, "index", phb_id, &error_fatal);
1428 object_property_set_int(obj, "chip-id", chip->chip_id,
1429 &error_fatal);
1430 object_property_set_int(obj, "version", PNV_PHB4_VERSION,
1431 &error_fatal);
1432 object_property_set_int(obj, "device-id", PNV_PHB4_DEVICE_ID,
1433 &error_fatal);
1434 object_property_set_link(obj, "stack", OBJECT(stack),
1435 &error_abort);
1436 if (!sysbus_realize(SYS_BUS_DEVICE(obj), errp)) {
1437 return;
1438 }
1439
1440 /* Populate the XSCOM address space. */
1441 pnv_xscom_add_subregion(chip,
1442 pec_nest_base + 0x40 * (stack->stack_no + 1),
1443 &stack->nest_regs_mr);
1444 pnv_xscom_add_subregion(chip,
1445 pec_pci_base + 0x40 * (stack->stack_no + 1),
1446 &stack->pci_regs_mr);
1447 pnv_xscom_add_subregion(chip,
1448 pec_pci_base + PNV9_XSCOM_PEC_PCI_STK0 +
1449 0x40 * stack->stack_no,
1450 &stack->phb_regs_mr);
1451 }
1452 }
1453 }
1454
1455 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
1456 {
1457 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1458 Pnv9Chip *chip9 = PNV9_CHIP(dev);
1459 PnvChip *chip = PNV_CHIP(dev);
1460 Pnv9Psi *psi9 = &chip9->psi;
1461 Error *local_err = NULL;
1462
1463 /* XSCOM bridge is first */
1464 pnv_xscom_realize(chip, PNV9_XSCOM_SIZE, &local_err);
1465 if (local_err) {
1466 error_propagate(errp, local_err);
1467 return;
1468 }
1469 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV9_XSCOM_BASE(chip));
1470
1471 pcc->parent_realize(dev, &local_err);
1472 if (local_err) {
1473 error_propagate(errp, local_err);
1474 return;
1475 }
1476
1477 pnv_chip_quad_realize(chip9, &local_err);
1478 if (local_err) {
1479 error_propagate(errp, local_err);
1480 return;
1481 }
1482
1483 /* XIVE interrupt controller (POWER9) */
1484 object_property_set_int(OBJECT(&chip9->xive), "ic-bar",
1485 PNV9_XIVE_IC_BASE(chip), &error_fatal);
1486 object_property_set_int(OBJECT(&chip9->xive), "vc-bar",
1487 PNV9_XIVE_VC_BASE(chip), &error_fatal);
1488 object_property_set_int(OBJECT(&chip9->xive), "pc-bar",
1489 PNV9_XIVE_PC_BASE(chip), &error_fatal);
1490 object_property_set_int(OBJECT(&chip9->xive), "tm-bar",
1491 PNV9_XIVE_TM_BASE(chip), &error_fatal);
1492 object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip),
1493 &error_abort);
1494 if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) {
1495 return;
1496 }
1497 pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE,
1498 &chip9->xive.xscom_regs);
1499
1500 /* Processor Service Interface (PSI) Host Bridge */
1501 object_property_set_int(OBJECT(&chip9->psi), "bar", PNV9_PSIHB_BASE(chip),
1502 &error_fatal);
1503 if (!qdev_realize(DEVICE(&chip9->psi), NULL, errp)) {
1504 return;
1505 }
1506 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE,
1507 &PNV_PSI(psi9)->xscom_regs);
1508
1509 /* LPC */
1510 object_property_set_link(OBJECT(&chip9->lpc), "psi", OBJECT(&chip9->psi),
1511 &error_abort);
1512 if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) {
1513 return;
1514 }
1515 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip),
1516 &chip9->lpc.xscom_regs);
1517
1518 chip->fw_mr = &chip9->lpc.isa_fw;
1519 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
1520 (uint64_t) PNV9_LPCM_BASE(chip));
1521
1522 /* Create the simplified OCC model */
1523 object_property_set_link(OBJECT(&chip9->occ), "psi", OBJECT(&chip9->psi),
1524 &error_abort);
1525 if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) {
1526 return;
1527 }
1528 pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs);
1529
1530 /* OCC SRAM model */
1531 memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip),
1532 &chip9->occ.sram_regs);
1533
1534 /* HOMER */
1535 object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip),
1536 &error_abort);
1537 if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) {
1538 return;
1539 }
1540 /* Homer Xscom region */
1541 pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs);
1542
1543 /* Homer mmio region */
1544 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip),
1545 &chip9->homer.regs);
1546
1547 /* PHBs */
1548 pnv_chip_power9_phb_realize(chip, &local_err);
1549 if (local_err) {
1550 error_propagate(errp, local_err);
1551 return;
1552 }
1553 }
1554
1555 static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr)
1556 {
1557 addr &= (PNV9_XSCOM_SIZE - 1);
1558 return addr >> 3;
1559 }
1560
1561 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
1562 {
1563 DeviceClass *dc = DEVICE_CLASS(klass);
1564 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1565
1566 k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */
1567 k->cores_mask = POWER9_CORE_MASK;
1568 k->core_pir = pnv_chip_core_pir_p9;
1569 k->intc_create = pnv_chip_power9_intc_create;
1570 k->intc_reset = pnv_chip_power9_intc_reset;
1571 k->intc_destroy = pnv_chip_power9_intc_destroy;
1572 k->intc_print_info = pnv_chip_power9_intc_print_info;
1573 k->isa_create = pnv_chip_power9_isa_create;
1574 k->dt_populate = pnv_chip_power9_dt_populate;
1575 k->pic_print_info = pnv_chip_power9_pic_print_info;
1576 k->xscom_core_base = pnv_chip_power9_xscom_core_base;
1577 k->xscom_pcba = pnv_chip_power9_xscom_pcba;
1578 dc->desc = "PowerNV Chip POWER9";
1579 k->num_phbs = 6;
1580
1581 device_class_set_parent_realize(dc, pnv_chip_power9_realize,
1582 &k->parent_realize);
1583 }
1584
1585 static void pnv_chip_power10_instance_init(Object *obj)
1586 {
1587 Pnv10Chip *chip10 = PNV10_CHIP(obj);
1588
1589 object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI);
1590 object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC);
1591 }
1592
1593 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
1594 {
1595 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
1596 PnvChip *chip = PNV_CHIP(dev);
1597 Pnv10Chip *chip10 = PNV10_CHIP(dev);
1598 Error *local_err = NULL;
1599
1600 /* XSCOM bridge is first */
1601 pnv_xscom_realize(chip, PNV10_XSCOM_SIZE, &local_err);
1602 if (local_err) {
1603 error_propagate(errp, local_err);
1604 return;
1605 }
1606 sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV10_XSCOM_BASE(chip));
1607
1608 pcc->parent_realize(dev, &local_err);
1609 if (local_err) {
1610 error_propagate(errp, local_err);
1611 return;
1612 }
1613
1614 /* Processor Service Interface (PSI) Host Bridge */
1615 object_property_set_int(OBJECT(&chip10->psi), "bar",
1616 PNV10_PSIHB_BASE(chip), &error_fatal);
1617 if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) {
1618 return;
1619 }
1620 pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE,
1621 &PNV_PSI(&chip10->psi)->xscom_regs);
1622
1623 /* LPC */
1624 object_property_set_link(OBJECT(&chip10->lpc), "psi",
1625 OBJECT(&chip10->psi), &error_abort);
1626 if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) {
1627 return;
1628 }
1629 memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip),
1630 &chip10->lpc.xscom_regs);
1631
1632 chip->fw_mr = &chip10->lpc.isa_fw;
1633 chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
1634 (uint64_t) PNV10_LPCM_BASE(chip));
1635 }
1636
1637 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
1638 {
1639 addr &= (PNV10_XSCOM_SIZE - 1);
1640 return addr >> 3;
1641 }
1642
1643 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data)
1644 {
1645 DeviceClass *dc = DEVICE_CLASS(klass);
1646 PnvChipClass *k = PNV_CHIP_CLASS(klass);
1647
1648 k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */
1649 k->cores_mask = POWER10_CORE_MASK;
1650 k->core_pir = pnv_chip_core_pir_p10;
1651 k->intc_create = pnv_chip_power10_intc_create;
1652 k->intc_reset = pnv_chip_power10_intc_reset;
1653 k->intc_destroy = pnv_chip_power10_intc_destroy;
1654 k->intc_print_info = pnv_chip_power10_intc_print_info;
1655 k->isa_create = pnv_chip_power10_isa_create;
1656 k->dt_populate = pnv_chip_power10_dt_populate;
1657 k->pic_print_info = pnv_chip_power10_pic_print_info;
1658 k->xscom_core_base = pnv_chip_power10_xscom_core_base;
1659 k->xscom_pcba = pnv_chip_power10_xscom_pcba;
1660 dc->desc = "PowerNV Chip POWER10";
1661
1662 device_class_set_parent_realize(dc, pnv_chip_power10_realize,
1663 &k->parent_realize);
1664 }
1665
1666 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp)
1667 {
1668 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1669 int cores_max;
1670
1671 /*
1672 * No custom mask for this chip, let's use the default one from *
1673 * the chip class
1674 */
1675 if (!chip->cores_mask) {
1676 chip->cores_mask = pcc->cores_mask;
1677 }
1678
1679 /* filter alien core ids ! some are reserved */
1680 if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) {
1681 error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !",
1682 chip->cores_mask);
1683 return;
1684 }
1685 chip->cores_mask &= pcc->cores_mask;
1686
1687 /* now that we have a sane layout, let check the number of cores */
1688 cores_max = ctpop64(chip->cores_mask);
1689 if (chip->nr_cores > cores_max) {
1690 error_setg(errp, "warning: too many cores for chip ! Limit is %d",
1691 cores_max);
1692 return;
1693 }
1694 }
1695
1696 static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
1697 {
1698 Error *error = NULL;
1699 PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
1700 const char *typename = pnv_chip_core_typename(chip);
1701 int i, core_hwid;
1702 PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
1703
1704 if (!object_class_by_name(typename)) {
1705 error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename);
1706 return;
1707 }
1708
1709 /* Cores */
1710 pnv_chip_core_sanitize(chip, &error);
1711 if (error) {
1712 error_propagate(errp, error);
1713 return;
1714 }
1715
1716 chip->cores = g_new0(PnvCore *, chip->nr_cores);
1717
1718 for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8)
1719 && (i < chip->nr_cores); core_hwid++) {
1720 char core_name[32];
1721 PnvCore *pnv_core;
1722 uint64_t xscom_core_base;
1723
1724 if (!(chip->cores_mask & (1ull << core_hwid))) {
1725 continue;
1726 }
1727
1728 pnv_core = PNV_CORE(object_new(typename));
1729
1730 snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid);
1731 object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core));
1732 chip->cores[i] = pnv_core;
1733 object_property_set_int(OBJECT(pnv_core), "nr-threads",
1734 chip->nr_threads, &error_fatal);
1735 object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID,
1736 core_hwid, &error_fatal);
1737 object_property_set_int(OBJECT(pnv_core), "pir",
1738 pcc->core_pir(chip, core_hwid), &error_fatal);
1739 object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr,
1740 &error_fatal);
1741 object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip),
1742 &error_abort);
1743 qdev_realize(DEVICE(pnv_core), NULL, &error_fatal);
1744
1745 /* Each core has an XSCOM MMIO region */
1746 xscom_core_base = pcc->xscom_core_base(chip, core_hwid);
1747
1748 pnv_xscom_add_subregion(chip, xscom_core_base,
1749 &pnv_core->xscom_regs);
1750 i++;
1751 }
1752 }
1753
1754 static void pnv_chip_realize(DeviceState *dev, Error **errp)
1755 {
1756 PnvChip *chip = PNV_CHIP(dev);
1757 Error *error = NULL;
1758
1759 /* Cores */
1760 pnv_chip_core_realize(chip, &error);
1761 if (error) {
1762 error_propagate(errp, error);
1763 return;
1764 }
1765 }
1766
1767 static Property pnv_chip_properties[] = {
1768 DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0),
1769 DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0),
1770 DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0),
1771 DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1),
1772 DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0),
1773 DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1),
1774 DEFINE_PROP_END_OF_LIST(),
1775 };
1776
1777 static void pnv_chip_class_init(ObjectClass *klass, void *data)
1778 {
1779 DeviceClass *dc = DEVICE_CLASS(klass);
1780
1781 set_bit(DEVICE_CATEGORY_CPU, dc->categories);
1782 dc->realize = pnv_chip_realize;
1783 device_class_set_props(dc, pnv_chip_properties);
1784 dc->desc = "PowerNV Chip";
1785 }
1786
1787 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir)
1788 {
1789 int i, j;
1790
1791 for (i = 0; i < chip->nr_cores; i++) {
1792 PnvCore *pc = chip->cores[i];
1793 CPUCore *cc = CPU_CORE(pc);
1794
1795 for (j = 0; j < cc->nr_threads; j++) {
1796 if (ppc_cpu_pir(pc->threads[j]) == pir) {
1797 return pc->threads[j];
1798 }
1799 }
1800 }
1801 return NULL;
1802 }
1803
1804 static ICSState *pnv_ics_get(XICSFabric *xi, int irq)
1805 {
1806 PnvMachineState *pnv = PNV_MACHINE(xi);
1807 int i, j;
1808
1809 for (i = 0; i < pnv->num_chips; i++) {
1810 PnvChip *chip = pnv->chips[i];
1811 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1812
1813 if (ics_valid_irq(&chip8->psi.ics, irq)) {
1814 return &chip8->psi.ics;
1815 }
1816 for (j = 0; j < chip->num_phbs; j++) {
1817 if (ics_valid_irq(&chip8->phbs[j].lsis, irq)) {
1818 return &chip8->phbs[j].lsis;
1819 }
1820 if (ics_valid_irq(ICS(&chip8->phbs[j].msis), irq)) {
1821 return ICS(&chip8->phbs[j].msis);
1822 }
1823 }
1824 }
1825 return NULL;
1826 }
1827
1828 static void pnv_ics_resend(XICSFabric *xi)
1829 {
1830 PnvMachineState *pnv = PNV_MACHINE(xi);
1831 int i, j;
1832
1833 for (i = 0; i < pnv->num_chips; i++) {
1834 PnvChip *chip = pnv->chips[i];
1835 Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1836
1837 ics_resend(&chip8->psi.ics);
1838 for (j = 0; j < chip->num_phbs; j++) {
1839 ics_resend(&chip8->phbs[j].lsis);
1840 ics_resend(ICS(&chip8->phbs[j].msis));
1841 }
1842 }
1843 }
1844
1845 static ICPState *pnv_icp_get(XICSFabric *xi, int pir)
1846 {
1847 PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir);
1848
1849 return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL;
1850 }
1851
1852 static void pnv_pic_print_info(InterruptStatsProvider *obj,
1853 Monitor *mon)
1854 {
1855 PnvMachineState *pnv = PNV_MACHINE(obj);
1856 int i;
1857 CPUState *cs;
1858
1859 CPU_FOREACH(cs) {
1860 PowerPCCPU *cpu = POWERPC_CPU(cs);
1861
1862 /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */
1863 PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu,
1864 mon);
1865 }
1866
1867 for (i = 0; i < pnv->num_chips; i++) {
1868 PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon);
1869 }
1870 }
1871
1872 static int pnv_match_nvt(XiveFabric *xfb, uint8_t format,
1873 uint8_t nvt_blk, uint32_t nvt_idx,
1874 bool cam_ignore, uint8_t priority,
1875 uint32_t logic_serv,
1876 XiveTCTXMatch *match)
1877 {
1878 PnvMachineState *pnv = PNV_MACHINE(xfb);
1879 int total_count = 0;
1880 int i;
1881
1882 for (i = 0; i < pnv->num_chips; i++) {
1883 Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]);
1884 XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive);
1885 XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr);
1886 int count;
1887
1888 count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore,
1889 priority, logic_serv, match);
1890
1891 if (count < 0) {
1892 return count;
1893 }
1894
1895 total_count += count;
1896 }
1897
1898 return total_count;
1899 }
1900
1901 static void pnv_machine_power8_class_init(ObjectClass *oc, void *data)
1902 {
1903 MachineClass *mc = MACHINE_CLASS(oc);
1904 XICSFabricClass *xic = XICS_FABRIC_CLASS(oc);
1905 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
1906 static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv";
1907
1908 mc->desc = "IBM PowerNV (Non-Virtualized) POWER8";
1909 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
1910
1911 xic->icp_get = pnv_icp_get;
1912 xic->ics_get = pnv_ics_get;
1913 xic->ics_resend = pnv_ics_resend;
1914
1915 pmc->compat = compat;
1916 pmc->compat_size = sizeof(compat);
1917 }
1918
1919 static void pnv_machine_power9_class_init(ObjectClass *oc, void *data)
1920 {
1921 MachineClass *mc = MACHINE_CLASS(oc);
1922 XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc);
1923 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
1924 static const char compat[] = "qemu,powernv9\0ibm,powernv";
1925
1926 mc->desc = "IBM PowerNV (Non-Virtualized) POWER9";
1927 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0");
1928 xfc->match_nvt = pnv_match_nvt;
1929
1930 mc->alias = "powernv";
1931
1932 pmc->compat = compat;
1933 pmc->compat_size = sizeof(compat);
1934 pmc->dt_power_mgt = pnv_dt_power_mgt;
1935 }
1936
1937 static void pnv_machine_power10_class_init(ObjectClass *oc, void *data)
1938 {
1939 MachineClass *mc = MACHINE_CLASS(oc);
1940 PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
1941 static const char compat[] = "qemu,powernv10\0ibm,powernv";
1942
1943 mc->desc = "IBM PowerNV (Non-Virtualized) POWER10";
1944 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0");
1945
1946 pmc->compat = compat;
1947 pmc->compat_size = sizeof(compat);
1948 pmc->dt_power_mgt = pnv_dt_power_mgt;
1949 }
1950
1951 static bool pnv_machine_get_hb(Object *obj, Error **errp)
1952 {
1953 PnvMachineState *pnv = PNV_MACHINE(obj);
1954
1955 return !!pnv->fw_load_addr;
1956 }
1957
1958 static void pnv_machine_set_hb(Object *obj, bool value, Error **errp)
1959 {
1960 PnvMachineState *pnv = PNV_MACHINE(obj);
1961
1962 if (value) {
1963 pnv->fw_load_addr = 0x8000000;
1964 }
1965 }
1966
1967 static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg)
1968 {
1969 PowerPCCPU *cpu = POWERPC_CPU(cs);
1970 CPUPPCState *env = &cpu->env;
1971
1972 cpu_synchronize_state(cs);
1973 ppc_cpu_do_system_reset(cs);
1974 if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) {
1975 /*
1976 * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the
1977 * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100
1978 * (PPC_BIT(43)).
1979 */
1980 if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) {
1981 warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason");
1982 env->spr[SPR_SRR1] |= SRR1_WAKERESET;
1983 }
1984 } else {
1985 /*
1986 * For non-powersave system resets, SRR1[42:45] are defined to be
1987 * implementation-dependent. The POWER9 User Manual specifies that
1988 * an external (SCOM driven, which may come from a BMC nmi command or
1989 * another CPU requesting a NMI IPI) system reset exception should be
1990 * 0b0010 (PPC_BIT(44)).
1991 */
1992 env->spr[SPR_SRR1] |= SRR1_WAKESCOM;
1993 }
1994 }
1995
1996 static void pnv_nmi(NMIState *n, int cpu_index, Error **errp)
1997 {
1998 CPUState *cs;
1999
2000 CPU_FOREACH(cs) {
2001 async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL);
2002 }
2003 }
2004
2005 static void pnv_machine_class_init(ObjectClass *oc, void *data)
2006 {
2007 MachineClass *mc = MACHINE_CLASS(oc);
2008 InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc);
2009 NMIClass *nc = NMI_CLASS(oc);
2010
2011 mc->desc = "IBM PowerNV (Non-Virtualized)";
2012 mc->init = pnv_init;
2013 mc->reset = pnv_reset;
2014 mc->max_cpus = MAX_CPUS;
2015 /* Pnv provides a AHCI device for storage */
2016 mc->block_default_type = IF_IDE;
2017 mc->no_parallel = 1;
2018 mc->default_boot_order = NULL;
2019 /*
2020 * RAM defaults to less than 2048 for 32-bit hosts, and large
2021 * enough to fit the maximum initrd size at it's load address
2022 */
2023 mc->default_ram_size = 1 * GiB;
2024 mc->default_ram_id = "pnv.ram";
2025 ispc->print_info = pnv_pic_print_info;
2026 nc->nmi_monitor_handler = pnv_nmi;
2027
2028 object_class_property_add_bool(oc, "hb-mode",
2029 pnv_machine_get_hb, pnv_machine_set_hb);
2030 object_class_property_set_description(oc, "hb-mode",
2031 "Use a hostboot like boot loader");
2032 }
2033
2034 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
2035 { \
2036 .name = type, \
2037 .class_init = class_initfn, \
2038 .parent = TYPE_PNV8_CHIP, \
2039 }
2040
2041 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
2042 { \
2043 .name = type, \
2044 .class_init = class_initfn, \
2045 .parent = TYPE_PNV9_CHIP, \
2046 }
2047
2048 #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \
2049 { \
2050 .name = type, \
2051 .class_init = class_initfn, \
2052 .parent = TYPE_PNV10_CHIP, \
2053 }
2054
2055 static const TypeInfo types[] = {
2056 {
2057 .name = MACHINE_TYPE_NAME("powernv10"),
2058 .parent = TYPE_PNV_MACHINE,
2059 .class_init = pnv_machine_power10_class_init,
2060 },
2061 {
2062 .name = MACHINE_TYPE_NAME("powernv9"),
2063 .parent = TYPE_PNV_MACHINE,
2064 .class_init = pnv_machine_power9_class_init,
2065 .interfaces = (InterfaceInfo[]) {
2066 { TYPE_XIVE_FABRIC },
2067 { },
2068 },
2069 },
2070 {
2071 .name = MACHINE_TYPE_NAME("powernv8"),
2072 .parent = TYPE_PNV_MACHINE,
2073 .class_init = pnv_machine_power8_class_init,
2074 .interfaces = (InterfaceInfo[]) {
2075 { TYPE_XICS_FABRIC },
2076 { },
2077 },
2078 },
2079 {
2080 .name = TYPE_PNV_MACHINE,
2081 .parent = TYPE_MACHINE,
2082 .abstract = true,
2083 .instance_size = sizeof(PnvMachineState),
2084 .class_init = pnv_machine_class_init,
2085 .class_size = sizeof(PnvMachineClass),
2086 .interfaces = (InterfaceInfo[]) {
2087 { TYPE_INTERRUPT_STATS_PROVIDER },
2088 { TYPE_NMI },
2089 { },
2090 },
2091 },
2092 {
2093 .name = TYPE_PNV_CHIP,
2094 .parent = TYPE_SYS_BUS_DEVICE,
2095 .class_init = pnv_chip_class_init,
2096 .instance_size = sizeof(PnvChip),
2097 .class_size = sizeof(PnvChipClass),
2098 .abstract = true,
2099 },
2100
2101 /*
2102 * P10 chip and variants
2103 */
2104 {
2105 .name = TYPE_PNV10_CHIP,
2106 .parent = TYPE_PNV_CHIP,
2107 .instance_init = pnv_chip_power10_instance_init,
2108 .instance_size = sizeof(Pnv10Chip),
2109 },
2110 DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init),
2111
2112 /*
2113 * P9 chip and variants
2114 */
2115 {
2116 .name = TYPE_PNV9_CHIP,
2117 .parent = TYPE_PNV_CHIP,
2118 .instance_init = pnv_chip_power9_instance_init,
2119 .instance_size = sizeof(Pnv9Chip),
2120 },
2121 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init),
2122
2123 /*
2124 * P8 chip and variants
2125 */
2126 {
2127 .name = TYPE_PNV8_CHIP,
2128 .parent = TYPE_PNV_CHIP,
2129 .instance_init = pnv_chip_power8_instance_init,
2130 .instance_size = sizeof(Pnv8Chip),
2131 },
2132 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init),
2133 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init),
2134 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL,
2135 pnv_chip_power8nvl_class_init),
2136 };
2137
2138 DEFINE_TYPES(types)
QEmu