xref: /openbmc/qemu/hw/ppc/pnv.c (revision ba632924)
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            0x00100000
51 
52 #define FW_FILE_NAME            "skiboot.lid"
53 #define FW_LOAD_ADDR            0x0
54 #define FW_MAX_SIZE             0x00400000
55 
56 #define KERNEL_LOAD_ADDR        0x20000000
57 #define INITRD_LOAD_ADDR        0x60000000
58 
59 static const char *pnv_chip_core_typename(const PnvChip *o)
60 {
61     const char *chip_type = object_class_get_name(object_get_class(OBJECT(o)));
62     int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX);
63     char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type);
64     const char *core_type = object_class_get_name(object_class_by_name(s));
65     g_free(s);
66     return core_type;
67 }
68 
69 /*
70  * On Power Systems E880 (POWER8), the max cpus (threads) should be :
71  *     4 * 4 sockets * 12 cores * 8 threads = 1536
72  * Let's make it 2^11
73  */
74 #define MAX_CPUS                2048
75 
76 /*
77  * Memory nodes are created by hostboot, one for each range of memory
78  * that has a different "affinity". In practice, it means one range
79  * per chip.
80  */
81 static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size)
82 {
83     char *mem_name;
84     uint64_t mem_reg_property[2];
85     int off;
86 
87     mem_reg_property[0] = cpu_to_be64(start);
88     mem_reg_property[1] = cpu_to_be64(size);
89 
90     mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start);
91     off = fdt_add_subnode(fdt, 0, mem_name);
92     g_free(mem_name);
93 
94     _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
95     _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
96                        sizeof(mem_reg_property))));
97     _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id)));
98 }
99 
100 static int get_cpus_node(void *fdt)
101 {
102     int cpus_offset = fdt_path_offset(fdt, "/cpus");
103 
104     if (cpus_offset < 0) {
105         cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
106         if (cpus_offset) {
107             _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1)));
108             _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0)));
109         }
110     }
111     _FDT(cpus_offset);
112     return cpus_offset;
113 }
114 
115 /*
116  * The PowerNV cores (and threads) need to use real HW ids and not an
117  * incremental index like it has been done on other platforms. This HW
118  * id is stored in the CPU PIR, it is used to create cpu nodes in the
119  * device tree, used in XSCOM to address cores and in interrupt
120  * servers.
121  */
122 static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt)
123 {
124     PowerPCCPU *cpu = pc->threads[0];
125     CPUState *cs = CPU(cpu);
126     DeviceClass *dc = DEVICE_GET_CLASS(cs);
127     int smt_threads = CPU_CORE(pc)->nr_threads;
128     CPUPPCState *env = &cpu->env;
129     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
130     uint32_t servers_prop[smt_threads];
131     int i;
132     uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
133                        0xffffffff, 0xffffffff};
134     uint32_t tbfreq = PNV_TIMEBASE_FREQ;
135     uint32_t cpufreq = 1000000000;
136     uint32_t page_sizes_prop[64];
137     size_t page_sizes_prop_size;
138     const uint8_t pa_features[] = { 24, 0,
139                                     0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0,
140                                     0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
141                                     0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
142                                     0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
143     int offset;
144     char *nodename;
145     int cpus_offset = get_cpus_node(fdt);
146 
147     nodename = g_strdup_printf("%s@%x", dc->fw_name, pc->pir);
148     offset = fdt_add_subnode(fdt, cpus_offset, nodename);
149     _FDT(offset);
150     g_free(nodename);
151 
152     _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id)));
153 
154     _FDT((fdt_setprop_cell(fdt, offset, "reg", pc->pir)));
155     _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pc->pir)));
156     _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu")));
157 
158     _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR])));
159     _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size",
160                             env->dcache_line_size)));
161     _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size",
162                             env->dcache_line_size)));
163     _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size",
164                             env->icache_line_size)));
165     _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size",
166                             env->icache_line_size)));
167 
168     if (pcc->l1_dcache_size) {
169         _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size",
170                                pcc->l1_dcache_size)));
171     } else {
172         warn_report("Unknown L1 dcache size for cpu");
173     }
174     if (pcc->l1_icache_size) {
175         _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size",
176                                pcc->l1_icache_size)));
177     } else {
178         warn_report("Unknown L1 icache size for cpu");
179     }
180 
181     _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq)));
182     _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq)));
183     _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size)));
184     _FDT((fdt_setprop_string(fdt, offset, "status", "okay")));
185     _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0)));
186 
187     if (env->spr_cb[SPR_PURR].oea_read) {
188         _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0)));
189     }
190 
191     if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) {
192         _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes",
193                            segs, sizeof(segs))));
194     }
195 
196     /* Advertise VMX/VSX (vector extensions) if available
197      *   0 / no property == no vector extensions
198      *   1               == VMX / Altivec available
199      *   2               == VSX available */
200     if (env->insns_flags & PPC_ALTIVEC) {
201         uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1;
202 
203         _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx)));
204     }
205 
206     /* Advertise DFP (Decimal Floating Point) if available
207      *   0 / no property == no DFP
208      *   1               == DFP available */
209     if (env->insns_flags2 & PPC2_DFP) {
210         _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1)));
211     }
212 
213     page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop,
214                                                       sizeof(page_sizes_prop));
215     if (page_sizes_prop_size) {
216         _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes",
217                            page_sizes_prop, page_sizes_prop_size)));
218     }
219 
220     _FDT((fdt_setprop(fdt, offset, "ibm,pa-features",
221                        pa_features, sizeof(pa_features))));
222 
223     /* Build interrupt servers properties */
224     for (i = 0; i < smt_threads; i++) {
225         servers_prop[i] = cpu_to_be32(pc->pir + i);
226     }
227     _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s",
228                        servers_prop, sizeof(servers_prop))));
229 }
230 
231 static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir,
232                        uint32_t nr_threads)
233 {
234     uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12);
235     char *name;
236     const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp";
237     uint32_t irange[2], i, rsize;
238     uint64_t *reg;
239     int offset;
240 
241     irange[0] = cpu_to_be32(pir);
242     irange[1] = cpu_to_be32(nr_threads);
243 
244     rsize = sizeof(uint64_t) * 2 * nr_threads;
245     reg = g_malloc(rsize);
246     for (i = 0; i < nr_threads; i++) {
247         reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000));
248         reg[i * 2 + 1] = cpu_to_be64(0x1000);
249     }
250 
251     name = g_strdup_printf("interrupt-controller@%"PRIX64, addr);
252     offset = fdt_add_subnode(fdt, 0, name);
253     _FDT(offset);
254     g_free(name);
255 
256     _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat))));
257     _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize)));
258     _FDT((fdt_setprop_string(fdt, offset, "device_type",
259                               "PowerPC-External-Interrupt-Presentation")));
260     _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0)));
261     _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges",
262                        irange, sizeof(irange))));
263     _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1)));
264     _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0)));
265     g_free(reg);
266 }
267 
268 static void pnv_dt_chip(PnvChip *chip, void *fdt)
269 {
270     const char *typename = pnv_chip_core_typename(chip);
271     size_t typesize = object_type_get_instance_size(typename);
272     int i;
273 
274     pnv_dt_xscom(chip, fdt, 0);
275 
276     for (i = 0; i < chip->nr_cores; i++) {
277         PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
278 
279         pnv_dt_core(chip, pnv_core, fdt);
280 
281         /* Interrupt Control Presenters (ICP). One per core. */
282         pnv_dt_icp(chip, fdt, pnv_core->pir, CPU_CORE(pnv_core)->nr_threads);
283     }
284 
285     if (chip->ram_size) {
286         pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
287     }
288 }
289 
290 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
291 {
292     uint32_t io_base = d->ioport_id;
293     uint32_t io_regs[] = {
294         cpu_to_be32(1),
295         cpu_to_be32(io_base),
296         cpu_to_be32(2)
297     };
298     char *name;
299     int node;
300 
301     name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
302     node = fdt_add_subnode(fdt, lpc_off, name);
303     _FDT(node);
304     g_free(name);
305 
306     _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
307     _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00")));
308 }
309 
310 static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off)
311 {
312     const char compatible[] = "ns16550\0pnpPNP,501";
313     uint32_t io_base = d->ioport_id;
314     uint32_t io_regs[] = {
315         cpu_to_be32(1),
316         cpu_to_be32(io_base),
317         cpu_to_be32(8)
318     };
319     char *name;
320     int node;
321 
322     name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
323     node = fdt_add_subnode(fdt, lpc_off, name);
324     _FDT(node);
325     g_free(name);
326 
327     _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
328     _FDT((fdt_setprop(fdt, node, "compatible", compatible,
329                       sizeof(compatible))));
330 
331     _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200)));
332     _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200)));
333     _FDT((fdt_setprop_cell(fdt, node, "interrupts", d->isairq[0])));
334     _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
335                            fdt_get_phandle(fdt, lpc_off))));
336 
337     /* This is needed by Linux */
338     _FDT((fdt_setprop_string(fdt, node, "device_type", "serial")));
339 }
340 
341 static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off)
342 {
343     const char compatible[] = "bt\0ipmi-bt";
344     uint32_t io_base;
345     uint32_t io_regs[] = {
346         cpu_to_be32(1),
347         0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
348         cpu_to_be32(3)
349     };
350     uint32_t irq;
351     char *name;
352     int node;
353 
354     io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal);
355     io_regs[1] = cpu_to_be32(io_base);
356 
357     irq = object_property_get_int(OBJECT(d), "irq", &error_fatal);
358 
359     name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base);
360     node = fdt_add_subnode(fdt, lpc_off, name);
361     _FDT(node);
362     g_free(name);
363 
364     _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs))));
365     _FDT((fdt_setprop(fdt, node, "compatible", compatible,
366                       sizeof(compatible))));
367 
368     /* Mark it as reserved to avoid Linux trying to claim it */
369     _FDT((fdt_setprop_string(fdt, node, "status", "reserved")));
370     _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq)));
371     _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent",
372                            fdt_get_phandle(fdt, lpc_off))));
373 }
374 
375 typedef struct ForeachPopulateArgs {
376     void *fdt;
377     int offset;
378 } ForeachPopulateArgs;
379 
380 static int pnv_dt_isa_device(DeviceState *dev, void *opaque)
381 {
382     ForeachPopulateArgs *args = opaque;
383     ISADevice *d = ISA_DEVICE(dev);
384 
385     if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
386         pnv_dt_rtc(d, args->fdt, args->offset);
387     } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) {
388         pnv_dt_serial(d, args->fdt, args->offset);
389     } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) {
390         pnv_dt_ipmi_bt(d, args->fdt, args->offset);
391     } else {
392         error_report("unknown isa device %s@i%x", qdev_fw_name(dev),
393                      d->ioport_id);
394     }
395 
396     return 0;
397 }
398 
399 static int pnv_chip_isa_offset(PnvChip *chip, void *fdt)
400 {
401     char *name;
402     int offset;
403 
404     name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
405                            (uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE);
406     offset = fdt_path_offset(fdt, name);
407     g_free(name);
408     return offset;
409 }
410 
411 /* The default LPC bus of a multichip system is on chip 0. It's
412  * recognized by the firmware (skiboot) using a "primary" property.
413  */
414 static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
415 {
416     int isa_offset = pnv_chip_isa_offset(pnv->chips[0], fdt);
417     ForeachPopulateArgs args = {
418         .fdt = fdt,
419         .offset = isa_offset,
420     };
421 
422     _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0)));
423 
424     /* ISA devices are not necessarily parented to the ISA bus so we
425      * can not use object_child_foreach() */
426     qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL,
427                        &args);
428 }
429 
430 static void *pnv_dt_create(MachineState *machine)
431 {
432     const char plat_compat[] = "qemu,powernv\0ibm,powernv";
433     PnvMachineState *pnv = PNV_MACHINE(machine);
434     void *fdt;
435     char *buf;
436     int off;
437     int i;
438 
439     fdt = g_malloc0(FDT_MAX_SIZE);
440     _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
441 
442     /* Root node */
443     _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2)));
444     _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2)));
445     _FDT((fdt_setprop_string(fdt, 0, "model",
446                              "IBM PowerNV (emulated by qemu)")));
447     _FDT((fdt_setprop(fdt, 0, "compatible", plat_compat,
448                       sizeof(plat_compat))));
449 
450     buf =  qemu_uuid_unparse_strdup(&qemu_uuid);
451     _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf)));
452     if (qemu_uuid_set) {
453         _FDT((fdt_property_string(fdt, "system-id", buf)));
454     }
455     g_free(buf);
456 
457     off = fdt_add_subnode(fdt, 0, "chosen");
458     if (machine->kernel_cmdline) {
459         _FDT((fdt_setprop_string(fdt, off, "bootargs",
460                                  machine->kernel_cmdline)));
461     }
462 
463     if (pnv->initrd_size) {
464         uint32_t start_prop = cpu_to_be32(pnv->initrd_base);
465         uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size);
466 
467         _FDT((fdt_setprop(fdt, off, "linux,initrd-start",
468                                &start_prop, sizeof(start_prop))));
469         _FDT((fdt_setprop(fdt, off, "linux,initrd-end",
470                                &end_prop, sizeof(end_prop))));
471     }
472 
473     /* Populate device tree for each chip */
474     for (i = 0; i < pnv->num_chips; i++) {
475         pnv_dt_chip(pnv->chips[i], fdt);
476     }
477 
478     /* Populate ISA devices on chip 0 */
479     pnv_dt_isa(pnv, fdt);
480 
481     if (pnv->bmc) {
482         pnv_dt_bmc_sensors(pnv->bmc, fdt);
483     }
484 
485     return fdt;
486 }
487 
488 static void pnv_powerdown_notify(Notifier *n, void *opaque)
489 {
490     PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
491 
492     if (pnv->bmc) {
493         pnv_bmc_powerdown(pnv->bmc);
494     }
495 }
496 
497 static void pnv_reset(void)
498 {
499     MachineState *machine = MACHINE(qdev_get_machine());
500     PnvMachineState *pnv = PNV_MACHINE(machine);
501     void *fdt;
502     Object *obj;
503 
504     qemu_devices_reset();
505 
506     /* OpenPOWER systems have a BMC, which can be defined on the
507      * command line with:
508      *
509      *   -device ipmi-bmc-sim,id=bmc0
510      *
511      * This is the internal simulator but it could also be an external
512      * BMC.
513      */
514     obj = object_resolve_path_type("", "ipmi-bmc-sim", NULL);
515     if (obj) {
516         pnv->bmc = IPMI_BMC(obj);
517     }
518 
519     fdt = pnv_dt_create(machine);
520 
521     /* Pack resulting tree */
522     _FDT((fdt_pack(fdt)));
523 
524     cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));
525 }
526 
527 static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp)
528 {
529     Pnv8Chip *chip8 = PNV8_CHIP(chip);
530     return pnv_lpc_isa_create(&chip8->lpc, true, errp);
531 }
532 
533 static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp)
534 {
535     Pnv8Chip *chip8 = PNV8_CHIP(chip);
536     return pnv_lpc_isa_create(&chip8->lpc, false, errp);
537 }
538 
539 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp)
540 {
541     return NULL;
542 }
543 
544 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
545 {
546     return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp);
547 }
548 
549 static void pnv_init(MachineState *machine)
550 {
551     PnvMachineState *pnv = PNV_MACHINE(machine);
552     MemoryRegion *ram;
553     char *fw_filename;
554     long fw_size;
555     int i;
556     char *chip_typename;
557 
558     /* allocate RAM */
559     if (machine->ram_size < (1 * GiB)) {
560         warn_report("skiboot may not work with < 1GB of RAM");
561     }
562 
563     ram = g_new(MemoryRegion, 1);
564     memory_region_allocate_system_memory(ram, NULL, "pnv.ram",
565                                          machine->ram_size);
566     memory_region_add_subregion(get_system_memory(), 0, ram);
567 
568     /* load skiboot firmware  */
569     if (bios_name == NULL) {
570         bios_name = FW_FILE_NAME;
571     }
572 
573     fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
574     if (!fw_filename) {
575         error_report("Could not find OPAL firmware '%s'", bios_name);
576         exit(1);
577     }
578 
579     fw_size = load_image_targphys(fw_filename, FW_LOAD_ADDR, FW_MAX_SIZE);
580     if (fw_size < 0) {
581         error_report("Could not load OPAL firmware '%s'", fw_filename);
582         exit(1);
583     }
584     g_free(fw_filename);
585 
586     /* load kernel */
587     if (machine->kernel_filename) {
588         long kernel_size;
589 
590         kernel_size = load_image_targphys(machine->kernel_filename,
591                                           KERNEL_LOAD_ADDR, 0x2000000);
592         if (kernel_size < 0) {
593             error_report("Could not load kernel '%s'",
594                          machine->kernel_filename);
595             exit(1);
596         }
597     }
598 
599     /* load initrd */
600     if (machine->initrd_filename) {
601         pnv->initrd_base = INITRD_LOAD_ADDR;
602         pnv->initrd_size = load_image_targphys(machine->initrd_filename,
603                                   pnv->initrd_base, 0x10000000); /* 128MB max */
604         if (pnv->initrd_size < 0) {
605             error_report("Could not load initial ram disk '%s'",
606                          machine->initrd_filename);
607             exit(1);
608         }
609     }
610 
611     /* Create the processor chips */
612     i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
613     chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
614                                     i, machine->cpu_type);
615     if (!object_class_by_name(chip_typename)) {
616         error_report("invalid CPU model '%.*s' for %s machine",
617                      i, machine->cpu_type, MACHINE_GET_CLASS(machine)->name);
618         exit(1);
619     }
620 
621     pnv->chips = g_new0(PnvChip *, pnv->num_chips);
622     for (i = 0; i < pnv->num_chips; i++) {
623         char chip_name[32];
624         Object *chip = object_new(chip_typename);
625 
626         pnv->chips[i] = PNV_CHIP(chip);
627 
628         /* TODO: put all the memory in one node on chip 0 until we find a
629          * way to specify different ranges for each chip
630          */
631         if (i == 0) {
632             object_property_set_int(chip, machine->ram_size, "ram-size",
633                                     &error_fatal);
634         }
635 
636         snprintf(chip_name, sizeof(chip_name), "chip[%d]", PNV_CHIP_HWID(i));
637         object_property_add_child(OBJECT(pnv), chip_name, chip, &error_fatal);
638         object_property_set_int(chip, PNV_CHIP_HWID(i), "chip-id",
639                                 &error_fatal);
640         object_property_set_int(chip, smp_cores, "nr-cores", &error_fatal);
641         object_property_set_bool(chip, true, "realized", &error_fatal);
642     }
643     g_free(chip_typename);
644 
645     /* Instantiate ISA bus on chip 0 */
646     pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal);
647 
648     /* Create serial port */
649     serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS);
650 
651     /* Create an RTC ISA device too */
652     mc146818_rtc_init(pnv->isa_bus, 2000, NULL);
653 
654     /* OpenPOWER systems use a IPMI SEL Event message to notify the
655      * host to powerdown */
656     pnv->powerdown_notifier.notify = pnv_powerdown_notify;
657     qemu_register_powerdown_notifier(&pnv->powerdown_notifier);
658 }
659 
660 /*
661  *    0:21  Reserved - Read as zeros
662  *   22:24  Chip ID
663  *   25:28  Core number
664  *   29:31  Thread ID
665  */
666 static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id)
667 {
668     return (chip->chip_id << 7) | (core_id << 3);
669 }
670 
671 static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
672                                         Error **errp)
673 {
674     Error *local_err = NULL;
675     Object *obj;
676     PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
677 
678     obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, XICS_FABRIC(qdev_get_machine()),
679                      &local_err);
680     if (local_err) {
681         error_propagate(errp, local_err);
682         return;
683     }
684 
685     pnv_cpu->icp = ICP(obj);
686 }
687 
688 /*
689  *    0:48  Reserved - Read as zeroes
690  *   49:52  Node ID
691  *   53:55  Chip ID
692  *   56     Reserved - Read as zero
693  *   57:61  Core number
694  *   62:63  Thread ID
695  *
696  * We only care about the lower bits. uint32_t is fine for the moment.
697  */
698 static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id)
699 {
700     return (chip->chip_id << 8) | (core_id << 2);
701 }
702 
703 static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu,
704                                         Error **errp)
705 {
706     return;
707 }
708 
709 /* Allowed core identifiers on a POWER8 Processor Chip :
710  *
711  * <EX0 reserved>
712  *  EX1  - Venice only
713  *  EX2  - Venice only
714  *  EX3  - Venice only
715  *  EX4
716  *  EX5
717  *  EX6
718  * <EX7,8 reserved> <reserved>
719  *  EX9  - Venice only
720  *  EX10 - Venice only
721  *  EX11 - Venice only
722  *  EX12
723  *  EX13
724  *  EX14
725  * <EX15 reserved>
726  */
727 #define POWER8E_CORE_MASK  (0x7070ull)
728 #define POWER8_CORE_MASK   (0x7e7eull)
729 
730 /*
731  * POWER9 has 24 cores, ids starting at 0x0
732  */
733 #define POWER9_CORE_MASK   (0xffffffffffffffull)
734 
735 static void pnv_chip_power8_instance_init(Object *obj)
736 {
737     Pnv8Chip *chip8 = PNV8_CHIP(obj);
738 
739     object_initialize(&chip8->psi, sizeof(chip8->psi), TYPE_PNV_PSI);
740     object_property_add_child(obj, "psi", OBJECT(&chip8->psi), NULL);
741     object_property_add_const_link(OBJECT(&chip8->psi), "xics",
742                                    OBJECT(qdev_get_machine()), &error_abort);
743 
744     object_initialize(&chip8->lpc, sizeof(chip8->lpc), TYPE_PNV_LPC);
745     object_property_add_child(obj, "lpc", OBJECT(&chip8->lpc), NULL);
746     object_property_add_const_link(OBJECT(&chip8->lpc), "psi",
747                                    OBJECT(&chip8->psi), &error_abort);
748 
749     object_initialize(&chip8->occ, sizeof(chip8->occ), TYPE_PNV_OCC);
750     object_property_add_child(obj, "occ", OBJECT(&chip8->occ), NULL);
751     object_property_add_const_link(OBJECT(&chip8->occ), "psi",
752                                    OBJECT(&chip8->psi), &error_abort);
753 }
754 
755 static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp)
756  {
757     PnvChip *chip = PNV_CHIP(chip8);
758     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
759     const char *typename = pnv_chip_core_typename(chip);
760     size_t typesize = object_type_get_instance_size(typename);
761     int i, j;
762     char *name;
763     XICSFabric *xi = XICS_FABRIC(qdev_get_machine());
764 
765     name = g_strdup_printf("icp-%x", chip->chip_id);
766     memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE);
767     sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio);
768     g_free(name);
769 
770     sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip));
771 
772     /* Map the ICP registers for each thread */
773     for (i = 0; i < chip->nr_cores; i++) {
774         PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
775         int core_hwid = CPU_CORE(pnv_core)->core_id;
776 
777         for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) {
778             uint32_t pir = pcc->core_pir(chip, core_hwid) + j;
779             PnvICPState *icp = PNV_ICP(xics_icp_get(xi, pir));
780 
781             memory_region_add_subregion(&chip8->icp_mmio, pir << 12,
782                                         &icp->mmio);
783         }
784     }
785 }
786 
787 static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
788 {
789     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
790     PnvChip *chip = PNV_CHIP(dev);
791     Pnv8Chip *chip8 = PNV8_CHIP(dev);
792     Error *local_err = NULL;
793 
794     pcc->parent_realize(dev, &local_err);
795     if (local_err) {
796         error_propagate(errp, local_err);
797         return;
798     }
799 
800     /* Processor Service Interface (PSI) Host Bridge */
801     object_property_set_int(OBJECT(&chip8->psi), PNV_PSIHB_BASE(chip),
802                             "bar", &error_fatal);
803     object_property_set_bool(OBJECT(&chip8->psi), true, "realized", &local_err);
804     if (local_err) {
805         error_propagate(errp, local_err);
806         return;
807     }
808     pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, &chip8->psi.xscom_regs);
809 
810     /* Create LPC controller */
811     object_property_set_bool(OBJECT(&chip8->lpc), true, "realized",
812                              &error_fatal);
813     pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs);
814 
815     /* Interrupt Management Area. This is the memory region holding
816      * all the Interrupt Control Presenter (ICP) registers */
817     pnv_chip_icp_realize(chip8, &local_err);
818     if (local_err) {
819         error_propagate(errp, local_err);
820         return;
821     }
822 
823     /* Create the simplified OCC model */
824     object_property_set_bool(OBJECT(&chip8->occ), true, "realized", &local_err);
825     if (local_err) {
826         error_propagate(errp, local_err);
827         return;
828     }
829     pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs);
830 }
831 
832 static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
833 {
834     DeviceClass *dc = DEVICE_CLASS(klass);
835     PnvChipClass *k = PNV_CHIP_CLASS(klass);
836 
837     k->chip_type = PNV_CHIP_POWER8E;
838     k->chip_cfam_id = 0x221ef04980000000ull;  /* P8 Murano DD2.1 */
839     k->cores_mask = POWER8E_CORE_MASK;
840     k->core_pir = pnv_chip_core_pir_p8;
841     k->intc_create = pnv_chip_power8_intc_create;
842     k->isa_create = pnv_chip_power8_isa_create;
843     k->xscom_base = 0x003fc0000000000ull;
844     dc->desc = "PowerNV Chip POWER8E";
845 
846     device_class_set_parent_realize(dc, pnv_chip_power8_realize,
847                                     &k->parent_realize);
848 }
849 
850 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
851 {
852     DeviceClass *dc = DEVICE_CLASS(klass);
853     PnvChipClass *k = PNV_CHIP_CLASS(klass);
854 
855     k->chip_type = PNV_CHIP_POWER8;
856     k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
857     k->cores_mask = POWER8_CORE_MASK;
858     k->core_pir = pnv_chip_core_pir_p8;
859     k->intc_create = pnv_chip_power8_intc_create;
860     k->isa_create = pnv_chip_power8_isa_create;
861     k->xscom_base = 0x003fc0000000000ull;
862     dc->desc = "PowerNV Chip POWER8";
863 
864     device_class_set_parent_realize(dc, pnv_chip_power8_realize,
865                                     &k->parent_realize);
866 }
867 
868 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
869 {
870     DeviceClass *dc = DEVICE_CLASS(klass);
871     PnvChipClass *k = PNV_CHIP_CLASS(klass);
872 
873     k->chip_type = PNV_CHIP_POWER8NVL;
874     k->chip_cfam_id = 0x120d304980000000ull;  /* P8 Naples DD1.0 */
875     k->cores_mask = POWER8_CORE_MASK;
876     k->core_pir = pnv_chip_core_pir_p8;
877     k->intc_create = pnv_chip_power8_intc_create;
878     k->isa_create = pnv_chip_power8nvl_isa_create;
879     k->xscom_base = 0x003fc0000000000ull;
880     dc->desc = "PowerNV Chip POWER8NVL";
881 
882     device_class_set_parent_realize(dc, pnv_chip_power8_realize,
883                                     &k->parent_realize);
884 }
885 
886 static void pnv_chip_power9_instance_init(Object *obj)
887 {
888 }
889 
890 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
891 {
892     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
893     Error *local_err = NULL;
894 
895     pcc->parent_realize(dev, &local_err);
896     if (local_err) {
897         error_propagate(errp, local_err);
898         return;
899     }
900 }
901 
902 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
903 {
904     DeviceClass *dc = DEVICE_CLASS(klass);
905     PnvChipClass *k = PNV_CHIP_CLASS(klass);
906 
907     k->chip_type = PNV_CHIP_POWER9;
908     k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */
909     k->cores_mask = POWER9_CORE_MASK;
910     k->core_pir = pnv_chip_core_pir_p9;
911     k->intc_create = pnv_chip_power9_intc_create;
912     k->isa_create = pnv_chip_power9_isa_create;
913     k->xscom_base = 0x00603fc00000000ull;
914     dc->desc = "PowerNV Chip POWER9";
915 
916     device_class_set_parent_realize(dc, pnv_chip_power9_realize,
917                                     &k->parent_realize);
918 }
919 
920 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp)
921 {
922     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
923     int cores_max;
924 
925     /*
926      * No custom mask for this chip, let's use the default one from *
927      * the chip class
928      */
929     if (!chip->cores_mask) {
930         chip->cores_mask = pcc->cores_mask;
931     }
932 
933     /* filter alien core ids ! some are reserved */
934     if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) {
935         error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !",
936                    chip->cores_mask);
937         return;
938     }
939     chip->cores_mask &= pcc->cores_mask;
940 
941     /* now that we have a sane layout, let check the number of cores */
942     cores_max = ctpop64(chip->cores_mask);
943     if (chip->nr_cores > cores_max) {
944         error_setg(errp, "warning: too many cores for chip ! Limit is %d",
945                    cores_max);
946         return;
947     }
948 }
949 
950 static void pnv_chip_instance_init(Object *obj)
951 {
952     PNV_CHIP(obj)->xscom_base = PNV_CHIP_GET_CLASS(obj)->xscom_base;
953 }
954 
955 static void pnv_chip_core_realize(PnvChip *chip, Error **errp)
956 {
957     Error *error = NULL;
958     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
959     const char *typename = pnv_chip_core_typename(chip);
960     size_t typesize = object_type_get_instance_size(typename);
961     int i, core_hwid;
962 
963     if (!object_class_by_name(typename)) {
964         error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename);
965         return;
966     }
967 
968     /* Cores */
969     pnv_chip_core_sanitize(chip, &error);
970     if (error) {
971         error_propagate(errp, error);
972         return;
973     }
974 
975     chip->cores = g_malloc0(typesize * chip->nr_cores);
976 
977     for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8)
978              && (i < chip->nr_cores); core_hwid++) {
979         char core_name[32];
980         void *pnv_core = chip->cores + i * typesize;
981         uint64_t xscom_core_base;
982 
983         if (!(chip->cores_mask & (1ull << core_hwid))) {
984             continue;
985         }
986 
987         object_initialize(pnv_core, typesize, typename);
988         snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid);
989         object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core),
990                                   &error_fatal);
991         object_property_set_int(OBJECT(pnv_core), smp_threads, "nr-threads",
992                                 &error_fatal);
993         object_property_set_int(OBJECT(pnv_core), core_hwid,
994                                 CPU_CORE_PROP_CORE_ID, &error_fatal);
995         object_property_set_int(OBJECT(pnv_core),
996                                 pcc->core_pir(chip, core_hwid),
997                                 "pir", &error_fatal);
998         object_property_add_const_link(OBJECT(pnv_core), "chip",
999                                        OBJECT(chip), &error_fatal);
1000         object_property_set_bool(OBJECT(pnv_core), true, "realized",
1001                                  &error_fatal);
1002         object_unref(OBJECT(pnv_core));
1003 
1004         /* Each core has an XSCOM MMIO region */
1005         if (!pnv_chip_is_power9(chip)) {
1006             xscom_core_base = PNV_XSCOM_EX_BASE(core_hwid);
1007         } else {
1008             xscom_core_base = PNV_XSCOM_P9_EC_BASE(core_hwid);
1009         }
1010 
1011         pnv_xscom_add_subregion(chip, xscom_core_base,
1012                                 &PNV_CORE(pnv_core)->xscom_regs);
1013         i++;
1014     }
1015 }
1016 
1017 static void pnv_chip_realize(DeviceState *dev, Error **errp)
1018 {
1019     PnvChip *chip = PNV_CHIP(dev);
1020     Error *error = NULL;
1021 
1022     /* XSCOM bridge */
1023     pnv_xscom_realize(chip, &error);
1024     if (error) {
1025         error_propagate(errp, error);
1026         return;
1027     }
1028     sysbus_mmio_map(SYS_BUS_DEVICE(chip), 0, PNV_XSCOM_BASE(chip));
1029 
1030     /* Cores */
1031     pnv_chip_core_realize(chip, &error);
1032     if (error) {
1033         error_propagate(errp, error);
1034         return;
1035     }
1036 }
1037 
1038 static Property pnv_chip_properties[] = {
1039     DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0),
1040     DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0),
1041     DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0),
1042     DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1),
1043     DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0),
1044     DEFINE_PROP_END_OF_LIST(),
1045 };
1046 
1047 static void pnv_chip_class_init(ObjectClass *klass, void *data)
1048 {
1049     DeviceClass *dc = DEVICE_CLASS(klass);
1050 
1051     set_bit(DEVICE_CATEGORY_CPU, dc->categories);
1052     dc->realize = pnv_chip_realize;
1053     dc->props = pnv_chip_properties;
1054     dc->desc = "PowerNV Chip";
1055 }
1056 
1057 static ICSState *pnv_ics_get(XICSFabric *xi, int irq)
1058 {
1059     PnvMachineState *pnv = PNV_MACHINE(xi);
1060     int i;
1061 
1062     for (i = 0; i < pnv->num_chips; i++) {
1063         Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1064 
1065         if (ics_valid_irq(&chip8->psi.ics, irq)) {
1066             return &chip8->psi.ics;
1067         }
1068     }
1069     return NULL;
1070 }
1071 
1072 static void pnv_ics_resend(XICSFabric *xi)
1073 {
1074     PnvMachineState *pnv = PNV_MACHINE(xi);
1075     int i;
1076 
1077     for (i = 0; i < pnv->num_chips; i++) {
1078         Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1079         ics_resend(&chip8->psi.ics);
1080     }
1081 }
1082 
1083 static PowerPCCPU *ppc_get_vcpu_by_pir(int pir)
1084 {
1085     CPUState *cs;
1086 
1087     CPU_FOREACH(cs) {
1088         PowerPCCPU *cpu = POWERPC_CPU(cs);
1089         CPUPPCState *env = &cpu->env;
1090 
1091         if (env->spr_cb[SPR_PIR].default_value == pir) {
1092             return cpu;
1093         }
1094     }
1095 
1096     return NULL;
1097 }
1098 
1099 static ICPState *pnv_icp_get(XICSFabric *xi, int pir)
1100 {
1101     PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir);
1102 
1103     return cpu ? pnv_cpu_state(cpu)->icp : NULL;
1104 }
1105 
1106 static void pnv_pic_print_info(InterruptStatsProvider *obj,
1107                                Monitor *mon)
1108 {
1109     PnvMachineState *pnv = PNV_MACHINE(obj);
1110     int i;
1111     CPUState *cs;
1112 
1113     CPU_FOREACH(cs) {
1114         PowerPCCPU *cpu = POWERPC_CPU(cs);
1115 
1116         icp_pic_print_info(pnv_cpu_state(cpu)->icp, mon);
1117     }
1118 
1119     for (i = 0; i < pnv->num_chips; i++) {
1120         Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]);
1121         ics_pic_print_info(&chip8->psi.ics, mon);
1122     }
1123 }
1124 
1125 static void pnv_get_num_chips(Object *obj, Visitor *v, const char *name,
1126                               void *opaque, Error **errp)
1127 {
1128     visit_type_uint32(v, name, &PNV_MACHINE(obj)->num_chips, errp);
1129 }
1130 
1131 static void pnv_set_num_chips(Object *obj, Visitor *v, const char *name,
1132                               void *opaque, Error **errp)
1133 {
1134     PnvMachineState *pnv = PNV_MACHINE(obj);
1135     uint32_t num_chips;
1136     Error *local_err = NULL;
1137 
1138     visit_type_uint32(v, name, &num_chips, &local_err);
1139     if (local_err) {
1140         error_propagate(errp, local_err);
1141         return;
1142     }
1143 
1144     /*
1145      * TODO: should we decide on how many chips we can create based
1146      * on #cores and Venice vs. Murano vs. Naples chip type etc...,
1147      */
1148     if (!is_power_of_2(num_chips) || num_chips > 4) {
1149         error_setg(errp, "invalid number of chips: '%d'", num_chips);
1150         return;
1151     }
1152 
1153     pnv->num_chips = num_chips;
1154 }
1155 
1156 static void pnv_machine_instance_init(Object *obj)
1157 {
1158     PnvMachineState *pnv = PNV_MACHINE(obj);
1159     pnv->num_chips = 1;
1160 }
1161 
1162 static void pnv_machine_class_props_init(ObjectClass *oc)
1163 {
1164     object_class_property_add(oc, "num-chips", "uint32",
1165                               pnv_get_num_chips, pnv_set_num_chips,
1166                               NULL, NULL, NULL);
1167     object_class_property_set_description(oc, "num-chips",
1168                               "Specifies the number of processor chips",
1169                               NULL);
1170 }
1171 
1172 static void pnv_machine_class_init(ObjectClass *oc, void *data)
1173 {
1174     MachineClass *mc = MACHINE_CLASS(oc);
1175     XICSFabricClass *xic = XICS_FABRIC_CLASS(oc);
1176     InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc);
1177 
1178     mc->desc = "IBM PowerNV (Non-Virtualized)";
1179     mc->init = pnv_init;
1180     mc->reset = pnv_reset;
1181     mc->max_cpus = MAX_CPUS;
1182     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
1183     mc->block_default_type = IF_IDE; /* Pnv provides a AHCI device for
1184                                       * storage */
1185     mc->no_parallel = 1;
1186     mc->default_boot_order = NULL;
1187     mc->default_ram_size = 1 * GiB;
1188     xic->icp_get = pnv_icp_get;
1189     xic->ics_get = pnv_ics_get;
1190     xic->ics_resend = pnv_ics_resend;
1191     ispc->print_info = pnv_pic_print_info;
1192 
1193     pnv_machine_class_props_init(oc);
1194 }
1195 
1196 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
1197     {                                             \
1198         .name          = type,                    \
1199         .class_init    = class_initfn,            \
1200         .parent        = TYPE_PNV8_CHIP,          \
1201     }
1202 
1203 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
1204     {                                             \
1205         .name          = type,                    \
1206         .class_init    = class_initfn,            \
1207         .parent        = TYPE_PNV9_CHIP,          \
1208     }
1209 
1210 static const TypeInfo types[] = {
1211     {
1212         .name          = TYPE_PNV_MACHINE,
1213         .parent        = TYPE_MACHINE,
1214         .instance_size = sizeof(PnvMachineState),
1215         .instance_init = pnv_machine_instance_init,
1216         .class_init    = pnv_machine_class_init,
1217         .interfaces = (InterfaceInfo[]) {
1218             { TYPE_XICS_FABRIC },
1219             { TYPE_INTERRUPT_STATS_PROVIDER },
1220             { },
1221         },
1222     },
1223     {
1224         .name          = TYPE_PNV_CHIP,
1225         .parent        = TYPE_SYS_BUS_DEVICE,
1226         .class_init    = pnv_chip_class_init,
1227         .instance_init = pnv_chip_instance_init,
1228         .instance_size = sizeof(PnvChip),
1229         .class_size    = sizeof(PnvChipClass),
1230         .abstract      = true,
1231     },
1232 
1233     /*
1234      * P9 chip and variants
1235      */
1236     {
1237         .name          = TYPE_PNV9_CHIP,
1238         .parent        = TYPE_PNV_CHIP,
1239         .instance_init = pnv_chip_power9_instance_init,
1240         .instance_size = sizeof(Pnv9Chip),
1241     },
1242     DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init),
1243 
1244     /*
1245      * P8 chip and variants
1246      */
1247     {
1248         .name          = TYPE_PNV8_CHIP,
1249         .parent        = TYPE_PNV_CHIP,
1250         .instance_init = pnv_chip_power8_instance_init,
1251         .instance_size = sizeof(Pnv8Chip),
1252     },
1253     DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init),
1254     DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init),
1255     DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL,
1256                           pnv_chip_power8nvl_class_init),
1257 };
1258 
1259 DEFINE_TYPES(types)
1260