2 * QEMU PowerPC PowerNV machine model
4 * Copyright (c) 2016, IBM Corporation.
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.
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.
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/>.
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"
27 #include "target/ppc/cpu.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"
41 #include "hw/ppc/xics.h"
42 #include "hw/ppc/pnv_xscom.h"
44 #include "hw/isa/isa.h"
45 #include "hw/char/serial.h"
46 #include "hw/timer/mc146818rtc.h"
50 #define FDT_MAX_SIZE 0x00100000
52 #define FW_FILE_NAME "skiboot.lid"
53 #define FW_LOAD_ADDR 0x0
54 #define FW_MAX_SIZE 0x00400000
56 #define KERNEL_LOAD_ADDR 0x20000000
57 #define INITRD_LOAD_ADDR 0x60000000
59 static const char *pnv_chip_core_typename(const PnvChip
*o
)
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
));
70 * On Power Systems E880 (POWER8), the max cpus (threads) should be :
71 * 4 * 4 sockets * 12 cores * 8 threads = 1536
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
81 static void pnv_dt_memory(void *fdt
, int chip_id
, hwaddr start
, hwaddr size
)
84 uint64_t mem_reg_property
[2];
87 mem_reg_property
[0] = cpu_to_be64(start
);
88 mem_reg_property
[1] = cpu_to_be64(size
);
90 mem_name
= g_strdup_printf("memory@%"HWADDR_PRIx
, start
);
91 off
= fdt_add_subnode(fdt
, 0, mem_name
);
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
)));
100 static int get_cpus_node(void *fdt
)
102 int cpus_offset
= fdt_path_offset(fdt
, "/cpus");
104 if (cpus_offset
< 0) {
105 cpus_offset
= fdt_add_subnode(fdt
, 0, "cpus");
107 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#address-cells", 0x1)));
108 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#size-cells", 0x0)));
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
122 static void pnv_dt_core(PnvChip
*chip
, PnvCore
*pc
, void *fdt
)
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
];
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 };
145 int cpus_offset
= get_cpus_node(fdt
);
147 nodename
= g_strdup_printf("%s@%x", dc
->fw_name
, pc
->pir
);
148 offset
= fdt_add_subnode(fdt
, cpus_offset
, nodename
);
152 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,chip-id", chip
->chip_id
)));
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")));
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
)));
168 if (pcc
->l1_dcache_size
) {
169 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-size",
170 pcc
->l1_dcache_size
)));
172 warn_report("Unknown L1 dcache size for cpu");
174 if (pcc
->l1_icache_size
) {
175 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-size",
176 pcc
->l1_icache_size
)));
178 warn_report("Unknown L1 icache size for cpu");
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)));
187 if (env
->spr_cb
[SPR_PURR
].oea_read
) {
188 _FDT((fdt_setprop(fdt
, offset
, "ibm,purr", NULL
, 0)));
191 if (ppc_hash64_has(cpu
, PPC_HASH64_1TSEG
)) {
192 _FDT((fdt_setprop(fdt
, offset
, "ibm,processor-segment-sizes",
193 segs
, sizeof(segs
))));
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;
203 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,vmx", vmx
)));
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)));
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
)));
220 _FDT((fdt_setprop(fdt
, offset
, "ibm,pa-features",
221 pa_features
, sizeof(pa_features
))));
223 /* Build interrupt servers properties */
224 for (i
= 0; i
< smt_threads
; i
++) {
225 servers_prop
[i
] = cpu_to_be32(pc
->pir
+ i
);
227 _FDT((fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-server#s",
228 servers_prop
, sizeof(servers_prop
))));
231 static void pnv_dt_icp(PnvChip
*chip
, void *fdt
, uint32_t pir
,
234 uint64_t addr
= PNV_ICP_BASE(chip
) | (pir
<< 12);
236 const char compat
[] = "IBM,power8-icp\0IBM,ppc-xicp";
237 uint32_t irange
[2], i
, rsize
;
241 irange
[0] = cpu_to_be32(pir
);
242 irange
[1] = cpu_to_be32(nr_threads
);
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);
251 name
= g_strdup_printf("interrupt-controller@%"PRIX64
, addr
);
252 offset
= fdt_add_subnode(fdt
, 0, name
);
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)));
268 static void pnv_dt_chip(PnvChip
*chip
, void *fdt
)
270 const char *typename
= pnv_chip_core_typename(chip
);
271 size_t typesize
= object_type_get_instance_size(typename
);
274 pnv_dt_xscom(chip
, fdt
, 0);
276 for (i
= 0; i
< chip
->nr_cores
; i
++) {
277 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ i
* typesize
);
279 pnv_dt_core(chip
, pnv_core
, fdt
);
281 /* Interrupt Control Presenters (ICP). One per core. */
282 pnv_dt_icp(chip
, fdt
, pnv_core
->pir
, CPU_CORE(pnv_core
)->nr_threads
);
285 if (chip
->ram_size
) {
286 pnv_dt_memory(fdt
, chip
->chip_id
, chip
->ram_start
, chip
->ram_size
);
290 static void pnv_dt_rtc(ISADevice
*d
, void *fdt
, int lpc_off
)
292 uint32_t io_base
= d
->ioport_id
;
293 uint32_t io_regs
[] = {
295 cpu_to_be32(io_base
),
301 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
302 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
306 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
307 _FDT((fdt_setprop_string(fdt
, node
, "compatible", "pnpPNP,b00")));
310 static void pnv_dt_serial(ISADevice
*d
, void *fdt
, int lpc_off
)
312 const char compatible
[] = "ns16550\0pnpPNP,501";
313 uint32_t io_base
= d
->ioport_id
;
314 uint32_t io_regs
[] = {
316 cpu_to_be32(io_base
),
322 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
323 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
327 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
328 _FDT((fdt_setprop(fdt
, node
, "compatible", compatible
,
329 sizeof(compatible
))));
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
))));
337 /* This is needed by Linux */
338 _FDT((fdt_setprop_string(fdt
, node
, "device_type", "serial")));
341 static void pnv_dt_ipmi_bt(ISADevice
*d
, void *fdt
, int lpc_off
)
343 const char compatible
[] = "bt\0ipmi-bt";
345 uint32_t io_regs
[] = {
347 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
354 io_base
= object_property_get_int(OBJECT(d
), "ioport", &error_fatal
);
355 io_regs
[1] = cpu_to_be32(io_base
);
357 irq
= object_property_get_int(OBJECT(d
), "irq", &error_fatal
);
359 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
360 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
364 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
365 _FDT((fdt_setprop(fdt
, node
, "compatible", compatible
,
366 sizeof(compatible
))));
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
))));
375 typedef struct ForeachPopulateArgs
{
378 } ForeachPopulateArgs
;
380 static int pnv_dt_isa_device(DeviceState
*dev
, void *opaque
)
382 ForeachPopulateArgs
*args
= opaque
;
383 ISADevice
*d
= ISA_DEVICE(dev
);
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
);
392 error_report("unknown isa device %s@i%x", qdev_fw_name(dev
),
399 static int pnv_chip_isa_offset(PnvChip
*chip
, void *fdt
)
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
);
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.
414 static void pnv_dt_isa(PnvMachineState
*pnv
, void *fdt
)
416 int isa_offset
= pnv_chip_isa_offset(pnv
->chips
[0], fdt
);
417 ForeachPopulateArgs args
= {
419 .offset
= isa_offset
,
422 _FDT((fdt_setprop(fdt
, isa_offset
, "primary", NULL
, 0)));
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
,
430 static void *pnv_dt_create(MachineState
*machine
)
432 const char plat_compat
[] = "qemu,powernv\0ibm,powernv";
433 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
439 fdt
= g_malloc0(FDT_MAX_SIZE
);
440 _FDT((fdt_create_empty_tree(fdt
, FDT_MAX_SIZE
)));
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
))));
450 buf
= qemu_uuid_unparse_strdup(&qemu_uuid
);
451 _FDT((fdt_setprop_string(fdt
, 0, "vm,uuid", buf
)));
453 _FDT((fdt_property_string(fdt
, "system-id", buf
)));
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
)));
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
);
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
))));
473 /* Populate device tree for each chip */
474 for (i
= 0; i
< pnv
->num_chips
; i
++) {
475 pnv_dt_chip(pnv
->chips
[i
], fdt
);
478 /* Populate ISA devices on chip 0 */
479 pnv_dt_isa(pnv
, fdt
);
482 pnv_dt_bmc_sensors(pnv
->bmc
, fdt
);
488 static void pnv_powerdown_notify(Notifier
*n
, void *opaque
)
490 PnvMachineState
*pnv
= PNV_MACHINE(qdev_get_machine());
493 pnv_bmc_powerdown(pnv
->bmc
);
497 static void pnv_reset(void)
499 MachineState
*machine
= MACHINE(qdev_get_machine());
500 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
504 qemu_devices_reset();
506 /* OpenPOWER systems have a BMC, which can be defined on the
509 * -device ipmi-bmc-sim,id=bmc0
511 * This is the internal simulator but it could also be an external
514 obj
= object_resolve_path_type("", "ipmi-bmc-sim", NULL
);
516 pnv
->bmc
= IPMI_BMC(obj
);
519 fdt
= pnv_dt_create(machine
);
521 /* Pack resulting tree */
522 _FDT((fdt_pack(fdt
)));
524 cpu_physical_memory_write(PNV_FDT_ADDR
, fdt
, fdt_totalsize(fdt
));
527 static ISABus
*pnv_chip_power8_isa_create(PnvChip
*chip
, Error
**errp
)
529 Pnv8Chip
*chip8
= PNV8_CHIP(chip
);
530 return pnv_lpc_isa_create(&chip8
->lpc
, true, errp
);
533 static ISABus
*pnv_chip_power8nvl_isa_create(PnvChip
*chip
, Error
**errp
)
535 Pnv8Chip
*chip8
= PNV8_CHIP(chip
);
536 return pnv_lpc_isa_create(&chip8
->lpc
, false, errp
);
539 static ISABus
*pnv_chip_power9_isa_create(PnvChip
*chip
, Error
**errp
)
544 static ISABus
*pnv_isa_create(PnvChip
*chip
, Error
**errp
)
546 return PNV_CHIP_GET_CLASS(chip
)->isa_create(chip
, errp
);
549 static void pnv_init(MachineState
*machine
)
551 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
559 if (machine
->ram_size
< (1 * GiB
)) {
560 warn_report("skiboot may not work with < 1GB of RAM");
563 ram
= g_new(MemoryRegion
, 1);
564 memory_region_allocate_system_memory(ram
, NULL
, "pnv.ram",
566 memory_region_add_subregion(get_system_memory(), 0, ram
);
568 /* load skiboot firmware */
569 if (bios_name
== NULL
) {
570 bios_name
= FW_FILE_NAME
;
573 fw_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
575 error_report("Could not find OPAL firmware '%s'", bios_name
);
579 fw_size
= load_image_targphys(fw_filename
, FW_LOAD_ADDR
, FW_MAX_SIZE
);
581 error_report("Could not load OPAL firmware '%s'", fw_filename
);
587 if (machine
->kernel_filename
) {
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
);
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
);
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
);
621 pnv
->chips
= g_new0(PnvChip
*, pnv
->num_chips
);
622 for (i
= 0; i
< pnv
->num_chips
; i
++) {
624 Object
*chip
= object_new(chip_typename
);
626 pnv
->chips
[i
] = PNV_CHIP(chip
);
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
632 object_property_set_int(chip
, machine
->ram_size
, "ram-size",
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",
640 object_property_set_int(chip
, smp_cores
, "nr-cores", &error_fatal
);
641 object_property_set_bool(chip
, true, "realized", &error_fatal
);
643 g_free(chip_typename
);
645 /* Instantiate ISA bus on chip 0 */
646 pnv
->isa_bus
= pnv_isa_create(pnv
->chips
[0], &error_fatal
);
648 /* Create serial port */
649 serial_hds_isa_init(pnv
->isa_bus
, 0, MAX_ISA_SERIAL_PORTS
);
651 /* Create an RTC ISA device too */
652 mc146818_rtc_init(pnv
->isa_bus
, 2000, NULL
);
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
);
661 * 0:21 Reserved - Read as zeros
666 static uint32_t pnv_chip_core_pir_p8(PnvChip
*chip
, uint32_t core_id
)
668 return (chip
->chip_id
<< 7) | (core_id
<< 3);
671 static Object
*pnv_chip_power8_intc_create(PnvChip
*chip
, Object
*child
,
674 return icp_create(child
, TYPE_PNV_ICP
, XICS_FABRIC(qdev_get_machine()),
679 * 0:48 Reserved - Read as zeroes
682 * 56 Reserved - Read as zero
686 * We only care about the lower bits. uint32_t is fine for the moment.
688 static uint32_t pnv_chip_core_pir_p9(PnvChip
*chip
, uint32_t core_id
)
690 return (chip
->chip_id
<< 8) | (core_id
<< 2);
693 static Object
*pnv_chip_power9_intc_create(PnvChip
*chip
, Object
*child
,
699 /* Allowed core identifiers on a POWER8 Processor Chip :
708 * <EX7,8 reserved> <reserved>
717 #define POWER8E_CORE_MASK (0x7070ull)
718 #define POWER8_CORE_MASK (0x7e7eull)
721 * POWER9 has 24 cores, ids starting at 0x0
723 #define POWER9_CORE_MASK (0xffffffffffffffull)
725 static void pnv_chip_power8_instance_init(Object
*obj
)
727 Pnv8Chip
*chip8
= PNV8_CHIP(obj
);
729 object_initialize(&chip8
->psi
, sizeof(chip8
->psi
), TYPE_PNV_PSI
);
730 object_property_add_child(obj
, "psi", OBJECT(&chip8
->psi
), NULL
);
731 object_property_add_const_link(OBJECT(&chip8
->psi
), "xics",
732 OBJECT(qdev_get_machine()), &error_abort
);
734 object_initialize(&chip8
->lpc
, sizeof(chip8
->lpc
), TYPE_PNV_LPC
);
735 object_property_add_child(obj
, "lpc", OBJECT(&chip8
->lpc
), NULL
);
736 object_property_add_const_link(OBJECT(&chip8
->lpc
), "psi",
737 OBJECT(&chip8
->psi
), &error_abort
);
739 object_initialize(&chip8
->occ
, sizeof(chip8
->occ
), TYPE_PNV_OCC
);
740 object_property_add_child(obj
, "occ", OBJECT(&chip8
->occ
), NULL
);
741 object_property_add_const_link(OBJECT(&chip8
->occ
), "psi",
742 OBJECT(&chip8
->psi
), &error_abort
);
745 static void pnv_chip_icp_realize(Pnv8Chip
*chip8
, Error
**errp
)
747 PnvChip
*chip
= PNV_CHIP(chip8
);
748 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
749 const char *typename
= pnv_chip_core_typename(chip
);
750 size_t typesize
= object_type_get_instance_size(typename
);
753 XICSFabric
*xi
= XICS_FABRIC(qdev_get_machine());
755 name
= g_strdup_printf("icp-%x", chip
->chip_id
);
756 memory_region_init(&chip8
->icp_mmio
, OBJECT(chip
), name
, PNV_ICP_SIZE
);
757 sysbus_init_mmio(SYS_BUS_DEVICE(chip
), &chip8
->icp_mmio
);
760 sysbus_mmio_map(SYS_BUS_DEVICE(chip
), 1, PNV_ICP_BASE(chip
));
762 /* Map the ICP registers for each thread */
763 for (i
= 0; i
< chip
->nr_cores
; i
++) {
764 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ i
* typesize
);
765 int core_hwid
= CPU_CORE(pnv_core
)->core_id
;
767 for (j
= 0; j
< CPU_CORE(pnv_core
)->nr_threads
; j
++) {
768 uint32_t pir
= pcc
->core_pir(chip
, core_hwid
) + j
;
769 PnvICPState
*icp
= PNV_ICP(xics_icp_get(xi
, pir
));
771 memory_region_add_subregion(&chip8
->icp_mmio
, pir
<< 12,
777 static void pnv_chip_power8_realize(DeviceState
*dev
, Error
**errp
)
779 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(dev
);
780 PnvChip
*chip
= PNV_CHIP(dev
);
781 Pnv8Chip
*chip8
= PNV8_CHIP(dev
);
782 Error
*local_err
= NULL
;
784 pcc
->parent_realize(dev
, &local_err
);
786 error_propagate(errp
, local_err
);
790 /* Processor Service Interface (PSI) Host Bridge */
791 object_property_set_int(OBJECT(&chip8
->psi
), PNV_PSIHB_BASE(chip
),
792 "bar", &error_fatal
);
793 object_property_set_bool(OBJECT(&chip8
->psi
), true, "realized", &local_err
);
795 error_propagate(errp
, local_err
);
798 pnv_xscom_add_subregion(chip
, PNV_XSCOM_PSIHB_BASE
, &chip8
->psi
.xscom_regs
);
800 /* Create LPC controller */
801 object_property_set_bool(OBJECT(&chip8
->lpc
), true, "realized",
803 pnv_xscom_add_subregion(chip
, PNV_XSCOM_LPC_BASE
, &chip8
->lpc
.xscom_regs
);
805 /* Interrupt Management Area. This is the memory region holding
806 * all the Interrupt Control Presenter (ICP) registers */
807 pnv_chip_icp_realize(chip8
, &local_err
);
809 error_propagate(errp
, local_err
);
813 /* Create the simplified OCC model */
814 object_property_set_bool(OBJECT(&chip8
->occ
), true, "realized", &local_err
);
816 error_propagate(errp
, local_err
);
819 pnv_xscom_add_subregion(chip
, PNV_XSCOM_OCC_BASE
, &chip8
->occ
.xscom_regs
);
822 static void pnv_chip_power8e_class_init(ObjectClass
*klass
, void *data
)
824 DeviceClass
*dc
= DEVICE_CLASS(klass
);
825 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
827 k
->chip_type
= PNV_CHIP_POWER8E
;
828 k
->chip_cfam_id
= 0x221ef04980000000ull
; /* P8 Murano DD2.1 */
829 k
->cores_mask
= POWER8E_CORE_MASK
;
830 k
->core_pir
= pnv_chip_core_pir_p8
;
831 k
->intc_create
= pnv_chip_power8_intc_create
;
832 k
->isa_create
= pnv_chip_power8_isa_create
;
833 k
->xscom_base
= 0x003fc0000000000ull
;
834 dc
->desc
= "PowerNV Chip POWER8E";
836 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
840 static void pnv_chip_power8_class_init(ObjectClass
*klass
, void *data
)
842 DeviceClass
*dc
= DEVICE_CLASS(klass
);
843 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
845 k
->chip_type
= PNV_CHIP_POWER8
;
846 k
->chip_cfam_id
= 0x220ea04980000000ull
; /* P8 Venice DD2.0 */
847 k
->cores_mask
= POWER8_CORE_MASK
;
848 k
->core_pir
= pnv_chip_core_pir_p8
;
849 k
->intc_create
= pnv_chip_power8_intc_create
;
850 k
->isa_create
= pnv_chip_power8_isa_create
;
851 k
->xscom_base
= 0x003fc0000000000ull
;
852 dc
->desc
= "PowerNV Chip POWER8";
854 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
858 static void pnv_chip_power8nvl_class_init(ObjectClass
*klass
, void *data
)
860 DeviceClass
*dc
= DEVICE_CLASS(klass
);
861 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
863 k
->chip_type
= PNV_CHIP_POWER8NVL
;
864 k
->chip_cfam_id
= 0x120d304980000000ull
; /* P8 Naples DD1.0 */
865 k
->cores_mask
= POWER8_CORE_MASK
;
866 k
->core_pir
= pnv_chip_core_pir_p8
;
867 k
->intc_create
= pnv_chip_power8_intc_create
;
868 k
->isa_create
= pnv_chip_power8nvl_isa_create
;
869 k
->xscom_base
= 0x003fc0000000000ull
;
870 dc
->desc
= "PowerNV Chip POWER8NVL";
872 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
876 static void pnv_chip_power9_instance_init(Object
*obj
)
880 static void pnv_chip_power9_realize(DeviceState
*dev
, Error
**errp
)
882 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(dev
);
883 Error
*local_err
= NULL
;
885 pcc
->parent_realize(dev
, &local_err
);
887 error_propagate(errp
, local_err
);
892 static void pnv_chip_power9_class_init(ObjectClass
*klass
, void *data
)
894 DeviceClass
*dc
= DEVICE_CLASS(klass
);
895 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
897 k
->chip_type
= PNV_CHIP_POWER9
;
898 k
->chip_cfam_id
= 0x220d104900008000ull
; /* P9 Nimbus DD2.0 */
899 k
->cores_mask
= POWER9_CORE_MASK
;
900 k
->core_pir
= pnv_chip_core_pir_p9
;
901 k
->intc_create
= pnv_chip_power9_intc_create
;
902 k
->isa_create
= pnv_chip_power9_isa_create
;
903 k
->xscom_base
= 0x00603fc00000000ull
;
904 dc
->desc
= "PowerNV Chip POWER9";
906 device_class_set_parent_realize(dc
, pnv_chip_power9_realize
,
910 static void pnv_chip_core_sanitize(PnvChip
*chip
, Error
**errp
)
912 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
916 * No custom mask for this chip, let's use the default one from *
919 if (!chip
->cores_mask
) {
920 chip
->cores_mask
= pcc
->cores_mask
;
923 /* filter alien core ids ! some are reserved */
924 if ((chip
->cores_mask
& pcc
->cores_mask
) != chip
->cores_mask
) {
925 error_setg(errp
, "warning: invalid core mask for chip Ox%"PRIx64
" !",
929 chip
->cores_mask
&= pcc
->cores_mask
;
931 /* now that we have a sane layout, let check the number of cores */
932 cores_max
= ctpop64(chip
->cores_mask
);
933 if (chip
->nr_cores
> cores_max
) {
934 error_setg(errp
, "warning: too many cores for chip ! Limit is %d",
940 static void pnv_chip_instance_init(Object
*obj
)
942 PNV_CHIP(obj
)->xscom_base
= PNV_CHIP_GET_CLASS(obj
)->xscom_base
;
945 static void pnv_chip_core_realize(PnvChip
*chip
, Error
**errp
)
948 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
949 const char *typename
= pnv_chip_core_typename(chip
);
950 size_t typesize
= object_type_get_instance_size(typename
);
953 if (!object_class_by_name(typename
)) {
954 error_setg(errp
, "Unable to find PowerNV CPU Core '%s'", typename
);
959 pnv_chip_core_sanitize(chip
, &error
);
961 error_propagate(errp
, error
);
965 chip
->cores
= g_malloc0(typesize
* chip
->nr_cores
);
967 for (i
= 0, core_hwid
= 0; (core_hwid
< sizeof(chip
->cores_mask
) * 8)
968 && (i
< chip
->nr_cores
); core_hwid
++) {
970 void *pnv_core
= chip
->cores
+ i
* typesize
;
971 uint64_t xscom_core_base
;
973 if (!(chip
->cores_mask
& (1ull << core_hwid
))) {
977 object_initialize(pnv_core
, typesize
, typename
);
978 snprintf(core_name
, sizeof(core_name
), "core[%d]", core_hwid
);
979 object_property_add_child(OBJECT(chip
), core_name
, OBJECT(pnv_core
),
981 object_property_set_int(OBJECT(pnv_core
), smp_threads
, "nr-threads",
983 object_property_set_int(OBJECT(pnv_core
), core_hwid
,
984 CPU_CORE_PROP_CORE_ID
, &error_fatal
);
985 object_property_set_int(OBJECT(pnv_core
),
986 pcc
->core_pir(chip
, core_hwid
),
987 "pir", &error_fatal
);
988 object_property_add_const_link(OBJECT(pnv_core
), "chip",
989 OBJECT(chip
), &error_fatal
);
990 object_property_set_bool(OBJECT(pnv_core
), true, "realized",
992 object_unref(OBJECT(pnv_core
));
994 /* Each core has an XSCOM MMIO region */
995 if (!pnv_chip_is_power9(chip
)) {
996 xscom_core_base
= PNV_XSCOM_EX_BASE(core_hwid
);
998 xscom_core_base
= PNV_XSCOM_P9_EC_BASE(core_hwid
);
1001 pnv_xscom_add_subregion(chip
, xscom_core_base
,
1002 &PNV_CORE(pnv_core
)->xscom_regs
);
1007 static void pnv_chip_realize(DeviceState
*dev
, Error
**errp
)
1009 PnvChip
*chip
= PNV_CHIP(dev
);
1010 Error
*error
= NULL
;
1013 pnv_xscom_realize(chip
, &error
);
1015 error_propagate(errp
, error
);
1018 sysbus_mmio_map(SYS_BUS_DEVICE(chip
), 0, PNV_XSCOM_BASE(chip
));
1021 pnv_chip_core_realize(chip
, &error
);
1023 error_propagate(errp
, error
);
1028 static Property pnv_chip_properties
[] = {
1029 DEFINE_PROP_UINT32("chip-id", PnvChip
, chip_id
, 0),
1030 DEFINE_PROP_UINT64("ram-start", PnvChip
, ram_start
, 0),
1031 DEFINE_PROP_UINT64("ram-size", PnvChip
, ram_size
, 0),
1032 DEFINE_PROP_UINT32("nr-cores", PnvChip
, nr_cores
, 1),
1033 DEFINE_PROP_UINT64("cores-mask", PnvChip
, cores_mask
, 0x0),
1034 DEFINE_PROP_END_OF_LIST(),
1037 static void pnv_chip_class_init(ObjectClass
*klass
, void *data
)
1039 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1041 set_bit(DEVICE_CATEGORY_CPU
, dc
->categories
);
1042 dc
->realize
= pnv_chip_realize
;
1043 dc
->props
= pnv_chip_properties
;
1044 dc
->desc
= "PowerNV Chip";
1047 static ICSState
*pnv_ics_get(XICSFabric
*xi
, int irq
)
1049 PnvMachineState
*pnv
= PNV_MACHINE(xi
);
1052 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1053 Pnv8Chip
*chip8
= PNV8_CHIP(pnv
->chips
[i
]);
1055 if (ics_valid_irq(&chip8
->psi
.ics
, irq
)) {
1056 return &chip8
->psi
.ics
;
1062 static void pnv_ics_resend(XICSFabric
*xi
)
1064 PnvMachineState
*pnv
= PNV_MACHINE(xi
);
1067 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1068 Pnv8Chip
*chip8
= PNV8_CHIP(pnv
->chips
[i
]);
1069 ics_resend(&chip8
->psi
.ics
);
1073 static PowerPCCPU
*ppc_get_vcpu_by_pir(int pir
)
1078 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
1079 CPUPPCState
*env
= &cpu
->env
;
1081 if (env
->spr_cb
[SPR_PIR
].default_value
== pir
) {
1089 static ICPState
*pnv_icp_get(XICSFabric
*xi
, int pir
)
1091 PowerPCCPU
*cpu
= ppc_get_vcpu_by_pir(pir
);
1093 return cpu
? ICP(cpu
->intc
) : NULL
;
1096 static void pnv_pic_print_info(InterruptStatsProvider
*obj
,
1099 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1104 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
1106 icp_pic_print_info(ICP(cpu
->intc
), mon
);
1109 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1110 Pnv8Chip
*chip8
= PNV8_CHIP(pnv
->chips
[i
]);
1111 ics_pic_print_info(&chip8
->psi
.ics
, mon
);
1115 static void pnv_get_num_chips(Object
*obj
, Visitor
*v
, const char *name
,
1116 void *opaque
, Error
**errp
)
1118 visit_type_uint32(v
, name
, &PNV_MACHINE(obj
)->num_chips
, errp
);
1121 static void pnv_set_num_chips(Object
*obj
, Visitor
*v
, const char *name
,
1122 void *opaque
, Error
**errp
)
1124 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1126 Error
*local_err
= NULL
;
1128 visit_type_uint32(v
, name
, &num_chips
, &local_err
);
1130 error_propagate(errp
, local_err
);
1135 * TODO: should we decide on how many chips we can create based
1136 * on #cores and Venice vs. Murano vs. Naples chip type etc...,
1138 if (!is_power_of_2(num_chips
) || num_chips
> 4) {
1139 error_setg(errp
, "invalid number of chips: '%d'", num_chips
);
1143 pnv
->num_chips
= num_chips
;
1146 static void pnv_machine_instance_init(Object
*obj
)
1148 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1152 static void pnv_machine_class_props_init(ObjectClass
*oc
)
1154 object_class_property_add(oc
, "num-chips", "uint32",
1155 pnv_get_num_chips
, pnv_set_num_chips
,
1157 object_class_property_set_description(oc
, "num-chips",
1158 "Specifies the number of processor chips",
1162 static void pnv_machine_class_init(ObjectClass
*oc
, void *data
)
1164 MachineClass
*mc
= MACHINE_CLASS(oc
);
1165 XICSFabricClass
*xic
= XICS_FABRIC_CLASS(oc
);
1166 InterruptStatsProviderClass
*ispc
= INTERRUPT_STATS_PROVIDER_CLASS(oc
);
1168 mc
->desc
= "IBM PowerNV (Non-Virtualized)";
1169 mc
->init
= pnv_init
;
1170 mc
->reset
= pnv_reset
;
1171 mc
->max_cpus
= MAX_CPUS
;
1172 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power8_v2.0");
1173 mc
->block_default_type
= IF_IDE
; /* Pnv provides a AHCI device for
1175 mc
->no_parallel
= 1;
1176 mc
->default_boot_order
= NULL
;
1177 mc
->default_ram_size
= 1 * GiB
;
1178 xic
->icp_get
= pnv_icp_get
;
1179 xic
->ics_get
= pnv_ics_get
;
1180 xic
->ics_resend
= pnv_ics_resend
;
1181 ispc
->print_info
= pnv_pic_print_info
;
1183 pnv_machine_class_props_init(oc
);
1186 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
1189 .class_init = class_initfn, \
1190 .parent = TYPE_PNV8_CHIP, \
1193 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
1196 .class_init = class_initfn, \
1197 .parent = TYPE_PNV9_CHIP, \
1200 static const TypeInfo types
[] = {
1202 .name
= TYPE_PNV_MACHINE
,
1203 .parent
= TYPE_MACHINE
,
1204 .instance_size
= sizeof(PnvMachineState
),
1205 .instance_init
= pnv_machine_instance_init
,
1206 .class_init
= pnv_machine_class_init
,
1207 .interfaces
= (InterfaceInfo
[]) {
1208 { TYPE_XICS_FABRIC
},
1209 { TYPE_INTERRUPT_STATS_PROVIDER
},
1214 .name
= TYPE_PNV_CHIP
,
1215 .parent
= TYPE_SYS_BUS_DEVICE
,
1216 .class_init
= pnv_chip_class_init
,
1217 .instance_init
= pnv_chip_instance_init
,
1218 .instance_size
= sizeof(PnvChip
),
1219 .class_size
= sizeof(PnvChipClass
),
1224 * P9 chip and variants
1227 .name
= TYPE_PNV9_CHIP
,
1228 .parent
= TYPE_PNV_CHIP
,
1229 .instance_init
= pnv_chip_power9_instance_init
,
1230 .instance_size
= sizeof(Pnv9Chip
),
1232 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9
, pnv_chip_power9_class_init
),
1235 * P8 chip and variants
1238 .name
= TYPE_PNV8_CHIP
,
1239 .parent
= TYPE_PNV_CHIP
,
1240 .instance_init
= pnv_chip_power8_instance_init
,
1241 .instance_size
= sizeof(Pnv8Chip
),
1243 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8
, pnv_chip_power8_class_init
),
1244 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E
, pnv_chip_power8e_class_init
),
1245 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL
,
1246 pnv_chip_power8nvl_class_init
),