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-common.h"
22 #include "qemu/units.h"
23 #include "qapi/error.h"
24 #include "sysemu/sysemu.h"
25 #include "sysemu/numa.h"
26 #include "sysemu/reset.h"
27 #include "sysemu/runstate.h"
28 #include "sysemu/cpus.h"
29 #include "sysemu/device_tree.h"
30 #include "target/ppc/cpu.h"
32 #include "hw/ppc/fdt.h"
33 #include "hw/ppc/ppc.h"
34 #include "hw/ppc/pnv.h"
35 #include "hw/ppc/pnv_core.h"
36 #include "hw/loader.h"
37 #include "exec/address-spaces.h"
38 #include "qapi/visitor.h"
39 #include "monitor/monitor.h"
40 #include "hw/intc/intc.h"
41 #include "hw/ipmi/ipmi.h"
42 #include "target/ppc/mmu-hash64.h"
44 #include "hw/ppc/xics.h"
45 #include "hw/qdev-properties.h"
46 #include "hw/ppc/pnv_xscom.h"
48 #include "hw/isa/isa.h"
49 #include "hw/boards.h"
50 #include "hw/char/serial.h"
51 #include "hw/timer/mc146818rtc.h"
55 #define FDT_MAX_SIZE (1 * MiB)
57 #define FW_FILE_NAME "skiboot.lid"
58 #define FW_LOAD_ADDR 0x0
59 #define FW_MAX_SIZE (4 * MiB)
61 #define KERNEL_LOAD_ADDR 0x20000000
62 #define KERNEL_MAX_SIZE (256 * MiB)
63 #define INITRD_LOAD_ADDR 0x60000000
64 #define INITRD_MAX_SIZE (256 * MiB)
66 static const char *pnv_chip_core_typename(const PnvChip
*o
)
68 const char *chip_type
= object_class_get_name(object_get_class(OBJECT(o
)));
69 int len
= strlen(chip_type
) - strlen(PNV_CHIP_TYPE_SUFFIX
);
70 char *s
= g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len
, chip_type
);
71 const char *core_type
= object_class_get_name(object_class_by_name(s
));
77 * On Power Systems E880 (POWER8), the max cpus (threads) should be :
78 * 4 * 4 sockets * 12 cores * 8 threads = 1536
84 * Memory nodes are created by hostboot, one for each range of memory
85 * that has a different "affinity". In practice, it means one range
88 static void pnv_dt_memory(void *fdt
, int chip_id
, hwaddr start
, hwaddr size
)
91 uint64_t mem_reg_property
[2];
94 mem_reg_property
[0] = cpu_to_be64(start
);
95 mem_reg_property
[1] = cpu_to_be64(size
);
97 mem_name
= g_strdup_printf("memory@%"HWADDR_PRIx
, start
);
98 off
= fdt_add_subnode(fdt
, 0, mem_name
);
101 _FDT((fdt_setprop_string(fdt
, off
, "device_type", "memory")));
102 _FDT((fdt_setprop(fdt
, off
, "reg", mem_reg_property
,
103 sizeof(mem_reg_property
))));
104 _FDT((fdt_setprop_cell(fdt
, off
, "ibm,chip-id", chip_id
)));
107 static int get_cpus_node(void *fdt
)
109 int cpus_offset
= fdt_path_offset(fdt
, "/cpus");
111 if (cpus_offset
< 0) {
112 cpus_offset
= fdt_add_subnode(fdt
, 0, "cpus");
114 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#address-cells", 0x1)));
115 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#size-cells", 0x0)));
123 * The PowerNV cores (and threads) need to use real HW ids and not an
124 * incremental index like it has been done on other platforms. This HW
125 * id is stored in the CPU PIR, it is used to create cpu nodes in the
126 * device tree, used in XSCOM to address cores and in interrupt
129 static void pnv_dt_core(PnvChip
*chip
, PnvCore
*pc
, void *fdt
)
131 PowerPCCPU
*cpu
= pc
->threads
[0];
132 CPUState
*cs
= CPU(cpu
);
133 DeviceClass
*dc
= DEVICE_GET_CLASS(cs
);
134 int smt_threads
= CPU_CORE(pc
)->nr_threads
;
135 CPUPPCState
*env
= &cpu
->env
;
136 PowerPCCPUClass
*pcc
= POWERPC_CPU_GET_CLASS(cs
);
137 uint32_t servers_prop
[smt_threads
];
139 uint32_t segs
[] = {cpu_to_be32(28), cpu_to_be32(40),
140 0xffffffff, 0xffffffff};
141 uint32_t tbfreq
= PNV_TIMEBASE_FREQ
;
142 uint32_t cpufreq
= 1000000000;
143 uint32_t page_sizes_prop
[64];
144 size_t page_sizes_prop_size
;
145 const uint8_t pa_features
[] = { 24, 0,
146 0xf6, 0x3f, 0xc7, 0xc0, 0x80, 0xf0,
147 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
149 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
152 int cpus_offset
= get_cpus_node(fdt
);
154 nodename
= g_strdup_printf("%s@%x", dc
->fw_name
, pc
->pir
);
155 offset
= fdt_add_subnode(fdt
, cpus_offset
, nodename
);
159 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,chip-id", chip
->chip_id
)));
161 _FDT((fdt_setprop_cell(fdt
, offset
, "reg", pc
->pir
)));
162 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,pir", pc
->pir
)));
163 _FDT((fdt_setprop_string(fdt
, offset
, "device_type", "cpu")));
165 _FDT((fdt_setprop_cell(fdt
, offset
, "cpu-version", env
->spr
[SPR_PVR
])));
166 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-block-size",
167 env
->dcache_line_size
)));
168 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-line-size",
169 env
->dcache_line_size
)));
170 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-block-size",
171 env
->icache_line_size
)));
172 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-line-size",
173 env
->icache_line_size
)));
175 if (pcc
->l1_dcache_size
) {
176 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-size",
177 pcc
->l1_dcache_size
)));
179 warn_report("Unknown L1 dcache size for cpu");
181 if (pcc
->l1_icache_size
) {
182 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-size",
183 pcc
->l1_icache_size
)));
185 warn_report("Unknown L1 icache size for cpu");
188 _FDT((fdt_setprop_cell(fdt
, offset
, "timebase-frequency", tbfreq
)));
189 _FDT((fdt_setprop_cell(fdt
, offset
, "clock-frequency", cpufreq
)));
190 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,slb-size",
191 cpu
->hash64_opts
->slb_size
)));
192 _FDT((fdt_setprop_string(fdt
, offset
, "status", "okay")));
193 _FDT((fdt_setprop(fdt
, offset
, "64-bit", NULL
, 0)));
195 if (env
->spr_cb
[SPR_PURR
].oea_read
) {
196 _FDT((fdt_setprop(fdt
, offset
, "ibm,purr", NULL
, 0)));
199 if (ppc_hash64_has(cpu
, PPC_HASH64_1TSEG
)) {
200 _FDT((fdt_setprop(fdt
, offset
, "ibm,processor-segment-sizes",
201 segs
, sizeof(segs
))));
205 * Advertise VMX/VSX (vector extensions) if available
206 * 0 / no property == no vector extensions
207 * 1 == VMX / Altivec available
210 if (env
->insns_flags
& PPC_ALTIVEC
) {
211 uint32_t vmx
= (env
->insns_flags2
& PPC2_VSX
) ? 2 : 1;
213 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,vmx", vmx
)));
217 * Advertise DFP (Decimal Floating Point) if available
218 * 0 / no property == no DFP
221 if (env
->insns_flags2
& PPC2_DFP
) {
222 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,dfp", 1)));
225 page_sizes_prop_size
= ppc_create_page_sizes_prop(cpu
, page_sizes_prop
,
226 sizeof(page_sizes_prop
));
227 if (page_sizes_prop_size
) {
228 _FDT((fdt_setprop(fdt
, offset
, "ibm,segment-page-sizes",
229 page_sizes_prop
, page_sizes_prop_size
)));
232 _FDT((fdt_setprop(fdt
, offset
, "ibm,pa-features",
233 pa_features
, sizeof(pa_features
))));
235 /* Build interrupt servers properties */
236 for (i
= 0; i
< smt_threads
; i
++) {
237 servers_prop
[i
] = cpu_to_be32(pc
->pir
+ i
);
239 _FDT((fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-server#s",
240 servers_prop
, sizeof(servers_prop
))));
243 static void pnv_dt_icp(PnvChip
*chip
, void *fdt
, uint32_t pir
,
246 uint64_t addr
= PNV_ICP_BASE(chip
) | (pir
<< 12);
248 const char compat
[] = "IBM,power8-icp\0IBM,ppc-xicp";
249 uint32_t irange
[2], i
, rsize
;
253 irange
[0] = cpu_to_be32(pir
);
254 irange
[1] = cpu_to_be32(nr_threads
);
256 rsize
= sizeof(uint64_t) * 2 * nr_threads
;
257 reg
= g_malloc(rsize
);
258 for (i
= 0; i
< nr_threads
; i
++) {
259 reg
[i
* 2] = cpu_to_be64(addr
| ((pir
+ i
) * 0x1000));
260 reg
[i
* 2 + 1] = cpu_to_be64(0x1000);
263 name
= g_strdup_printf("interrupt-controller@%"PRIX64
, addr
);
264 offset
= fdt_add_subnode(fdt
, 0, name
);
268 _FDT((fdt_setprop(fdt
, offset
, "compatible", compat
, sizeof(compat
))));
269 _FDT((fdt_setprop(fdt
, offset
, "reg", reg
, rsize
)));
270 _FDT((fdt_setprop_string(fdt
, offset
, "device_type",
271 "PowerPC-External-Interrupt-Presentation")));
272 _FDT((fdt_setprop(fdt
, offset
, "interrupt-controller", NULL
, 0)));
273 _FDT((fdt_setprop(fdt
, offset
, "ibm,interrupt-server-ranges",
274 irange
, sizeof(irange
))));
275 _FDT((fdt_setprop_cell(fdt
, offset
, "#interrupt-cells", 1)));
276 _FDT((fdt_setprop_cell(fdt
, offset
, "#address-cells", 0)));
280 static void pnv_chip_power8_dt_populate(PnvChip
*chip
, void *fdt
)
282 const char *typename
= pnv_chip_core_typename(chip
);
283 size_t typesize
= object_type_get_instance_size(typename
);
286 pnv_dt_xscom(chip
, fdt
, 0);
288 for (i
= 0; i
< chip
->nr_cores
; i
++) {
289 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ i
* typesize
);
291 pnv_dt_core(chip
, pnv_core
, fdt
);
293 /* Interrupt Control Presenters (ICP). One per core. */
294 pnv_dt_icp(chip
, fdt
, pnv_core
->pir
, CPU_CORE(pnv_core
)->nr_threads
);
297 if (chip
->ram_size
) {
298 pnv_dt_memory(fdt
, chip
->chip_id
, chip
->ram_start
, chip
->ram_size
);
302 static void pnv_chip_power9_dt_populate(PnvChip
*chip
, void *fdt
)
304 const char *typename
= pnv_chip_core_typename(chip
);
305 size_t typesize
= object_type_get_instance_size(typename
);
308 pnv_dt_xscom(chip
, fdt
, 0);
310 for (i
= 0; i
< chip
->nr_cores
; i
++) {
311 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ i
* typesize
);
313 pnv_dt_core(chip
, pnv_core
, fdt
);
316 if (chip
->ram_size
) {
317 pnv_dt_memory(fdt
, chip
->chip_id
, chip
->ram_start
, chip
->ram_size
);
320 pnv_dt_lpc(chip
, fdt
, 0);
323 static void pnv_dt_rtc(ISADevice
*d
, void *fdt
, int lpc_off
)
325 uint32_t io_base
= d
->ioport_id
;
326 uint32_t io_regs
[] = {
328 cpu_to_be32(io_base
),
334 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
335 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
339 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
340 _FDT((fdt_setprop_string(fdt
, node
, "compatible", "pnpPNP,b00")));
343 static void pnv_dt_serial(ISADevice
*d
, void *fdt
, int lpc_off
)
345 const char compatible
[] = "ns16550\0pnpPNP,501";
346 uint32_t io_base
= d
->ioport_id
;
347 uint32_t io_regs
[] = {
349 cpu_to_be32(io_base
),
355 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
356 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
360 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
361 _FDT((fdt_setprop(fdt
, node
, "compatible", compatible
,
362 sizeof(compatible
))));
364 _FDT((fdt_setprop_cell(fdt
, node
, "clock-frequency", 1843200)));
365 _FDT((fdt_setprop_cell(fdt
, node
, "current-speed", 115200)));
366 _FDT((fdt_setprop_cell(fdt
, node
, "interrupts", d
->isairq
[0])));
367 _FDT((fdt_setprop_cell(fdt
, node
, "interrupt-parent",
368 fdt_get_phandle(fdt
, lpc_off
))));
370 /* This is needed by Linux */
371 _FDT((fdt_setprop_string(fdt
, node
, "device_type", "serial")));
374 static void pnv_dt_ipmi_bt(ISADevice
*d
, void *fdt
, int lpc_off
)
376 const char compatible
[] = "bt\0ipmi-bt";
378 uint32_t io_regs
[] = {
380 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */
387 io_base
= object_property_get_int(OBJECT(d
), "ioport", &error_fatal
);
388 io_regs
[1] = cpu_to_be32(io_base
);
390 irq
= object_property_get_int(OBJECT(d
), "irq", &error_fatal
);
392 name
= g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d
)), io_base
);
393 node
= fdt_add_subnode(fdt
, lpc_off
, name
);
397 _FDT((fdt_setprop(fdt
, node
, "reg", io_regs
, sizeof(io_regs
))));
398 _FDT((fdt_setprop(fdt
, node
, "compatible", compatible
,
399 sizeof(compatible
))));
401 /* Mark it as reserved to avoid Linux trying to claim it */
402 _FDT((fdt_setprop_string(fdt
, node
, "status", "reserved")));
403 _FDT((fdt_setprop_cell(fdt
, node
, "interrupts", irq
)));
404 _FDT((fdt_setprop_cell(fdt
, node
, "interrupt-parent",
405 fdt_get_phandle(fdt
, lpc_off
))));
408 typedef struct ForeachPopulateArgs
{
411 } ForeachPopulateArgs
;
413 static int pnv_dt_isa_device(DeviceState
*dev
, void *opaque
)
415 ForeachPopulateArgs
*args
= opaque
;
416 ISADevice
*d
= ISA_DEVICE(dev
);
418 if (object_dynamic_cast(OBJECT(dev
), TYPE_MC146818_RTC
)) {
419 pnv_dt_rtc(d
, args
->fdt
, args
->offset
);
420 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_ISA_SERIAL
)) {
421 pnv_dt_serial(d
, args
->fdt
, args
->offset
);
422 } else if (object_dynamic_cast(OBJECT(dev
), "isa-ipmi-bt")) {
423 pnv_dt_ipmi_bt(d
, args
->fdt
, args
->offset
);
425 error_report("unknown isa device %s@i%x", qdev_fw_name(dev
),
433 * The default LPC bus of a multichip system is on chip 0. It's
434 * recognized by the firmware (skiboot) using a "primary" property.
436 static void pnv_dt_isa(PnvMachineState
*pnv
, void *fdt
)
438 int isa_offset
= fdt_path_offset(fdt
, pnv
->chips
[0]->dt_isa_nodename
);
439 ForeachPopulateArgs args
= {
441 .offset
= isa_offset
,
445 _FDT((fdt_setprop(fdt
, isa_offset
, "primary", NULL
, 0)));
447 phandle
= qemu_fdt_alloc_phandle(fdt
);
449 _FDT((fdt_setprop_cell(fdt
, isa_offset
, "phandle", phandle
)));
452 * ISA devices are not necessarily parented to the ISA bus so we
453 * can not use object_child_foreach()
455 qbus_walk_children(BUS(pnv
->isa_bus
), pnv_dt_isa_device
, NULL
, NULL
, NULL
,
459 static void pnv_dt_power_mgt(void *fdt
)
463 off
= fdt_add_subnode(fdt
, 0, "ibm,opal");
464 off
= fdt_add_subnode(fdt
, off
, "power-mgt");
466 _FDT(fdt_setprop_cell(fdt
, off
, "ibm,enabled-stop-levels", 0xc0000000));
469 static void *pnv_dt_create(MachineState
*machine
)
471 const char plat_compat8
[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv";
472 const char plat_compat9
[] = "qemu,powernv9\0ibm,powernv";
473 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
479 fdt
= g_malloc0(FDT_MAX_SIZE
);
480 _FDT((fdt_create_empty_tree(fdt
, FDT_MAX_SIZE
)));
483 _FDT((fdt_setprop_cell(fdt
, 0, "#address-cells", 0x2)));
484 _FDT((fdt_setprop_cell(fdt
, 0, "#size-cells", 0x2)));
485 _FDT((fdt_setprop_string(fdt
, 0, "model",
486 "IBM PowerNV (emulated by qemu)")));
487 if (pnv_is_power9(pnv
)) {
488 _FDT((fdt_setprop(fdt
, 0, "compatible", plat_compat9
,
489 sizeof(plat_compat9
))));
491 _FDT((fdt_setprop(fdt
, 0, "compatible", plat_compat8
,
492 sizeof(plat_compat8
))));
496 buf
= qemu_uuid_unparse_strdup(&qemu_uuid
);
497 _FDT((fdt_setprop_string(fdt
, 0, "vm,uuid", buf
)));
499 _FDT((fdt_property_string(fdt
, "system-id", buf
)));
503 off
= fdt_add_subnode(fdt
, 0, "chosen");
504 if (machine
->kernel_cmdline
) {
505 _FDT((fdt_setprop_string(fdt
, off
, "bootargs",
506 machine
->kernel_cmdline
)));
509 if (pnv
->initrd_size
) {
510 uint32_t start_prop
= cpu_to_be32(pnv
->initrd_base
);
511 uint32_t end_prop
= cpu_to_be32(pnv
->initrd_base
+ pnv
->initrd_size
);
513 _FDT((fdt_setprop(fdt
, off
, "linux,initrd-start",
514 &start_prop
, sizeof(start_prop
))));
515 _FDT((fdt_setprop(fdt
, off
, "linux,initrd-end",
516 &end_prop
, sizeof(end_prop
))));
519 /* Populate device tree for each chip */
520 for (i
= 0; i
< pnv
->num_chips
; i
++) {
521 PNV_CHIP_GET_CLASS(pnv
->chips
[i
])->dt_populate(pnv
->chips
[i
], fdt
);
524 /* Populate ISA devices on chip 0 */
525 pnv_dt_isa(pnv
, fdt
);
528 pnv_dt_bmc_sensors(pnv
->bmc
, fdt
);
531 /* Create an extra node for power management on Power9 */
532 if (pnv_is_power9(pnv
)) {
533 pnv_dt_power_mgt(fdt
);
539 static void pnv_powerdown_notify(Notifier
*n
, void *opaque
)
541 PnvMachineState
*pnv
= PNV_MACHINE(qdev_get_machine());
544 pnv_bmc_powerdown(pnv
->bmc
);
548 static void pnv_reset(MachineState
*machine
)
550 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
554 qemu_devices_reset();
557 * OpenPOWER systems have a BMC, which can be defined on the
560 * -device ipmi-bmc-sim,id=bmc0
562 * This is the internal simulator but it could also be an external
565 obj
= object_resolve_path_type("", "ipmi-bmc-sim", NULL
);
567 pnv
->bmc
= IPMI_BMC(obj
);
570 fdt
= pnv_dt_create(machine
);
572 /* Pack resulting tree */
573 _FDT((fdt_pack(fdt
)));
575 qemu_fdt_dumpdtb(fdt
, fdt_totalsize(fdt
));
576 cpu_physical_memory_write(PNV_FDT_ADDR
, fdt
, fdt_totalsize(fdt
));
579 static ISABus
*pnv_chip_power8_isa_create(PnvChip
*chip
, Error
**errp
)
581 Pnv8Chip
*chip8
= PNV8_CHIP(chip
);
582 return pnv_lpc_isa_create(&chip8
->lpc
, true, errp
);
585 static ISABus
*pnv_chip_power8nvl_isa_create(PnvChip
*chip
, Error
**errp
)
587 Pnv8Chip
*chip8
= PNV8_CHIP(chip
);
588 return pnv_lpc_isa_create(&chip8
->lpc
, false, errp
);
591 static ISABus
*pnv_chip_power9_isa_create(PnvChip
*chip
, Error
**errp
)
593 Pnv9Chip
*chip9
= PNV9_CHIP(chip
);
594 return pnv_lpc_isa_create(&chip9
->lpc
, false, errp
);
597 static ISABus
*pnv_isa_create(PnvChip
*chip
, Error
**errp
)
599 return PNV_CHIP_GET_CLASS(chip
)->isa_create(chip
, errp
);
602 static void pnv_chip_power8_pic_print_info(PnvChip
*chip
, Monitor
*mon
)
604 Pnv8Chip
*chip8
= PNV8_CHIP(chip
);
606 ics_pic_print_info(&chip8
->psi
.ics
, mon
);
609 static void pnv_chip_power9_pic_print_info(PnvChip
*chip
, Monitor
*mon
)
611 Pnv9Chip
*chip9
= PNV9_CHIP(chip
);
613 pnv_xive_pic_print_info(&chip9
->xive
, mon
);
614 pnv_psi_pic_print_info(&chip9
->psi
, mon
);
617 static bool pnv_match_cpu(const char *default_type
, const char *cpu_type
)
619 PowerPCCPUClass
*ppc_default
=
620 POWERPC_CPU_CLASS(object_class_by_name(default_type
));
621 PowerPCCPUClass
*ppc
=
622 POWERPC_CPU_CLASS(object_class_by_name(cpu_type
));
624 return ppc_default
->pvr_match(ppc_default
, ppc
->pvr
);
627 static void pnv_init(MachineState
*machine
)
629 PnvMachineState
*pnv
= PNV_MACHINE(machine
);
630 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
638 if (machine
->ram_size
< (1 * GiB
)) {
639 warn_report("skiboot may not work with < 1GB of RAM");
642 ram
= g_new(MemoryRegion
, 1);
643 memory_region_allocate_system_memory(ram
, NULL
, "pnv.ram",
645 memory_region_add_subregion(get_system_memory(), 0, ram
);
647 /* load skiboot firmware */
648 if (bios_name
== NULL
) {
649 bios_name
= FW_FILE_NAME
;
652 fw_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
654 error_report("Could not find OPAL firmware '%s'", bios_name
);
658 fw_size
= load_image_targphys(fw_filename
, FW_LOAD_ADDR
, FW_MAX_SIZE
);
660 error_report("Could not load OPAL firmware '%s'", fw_filename
);
666 if (machine
->kernel_filename
) {
669 kernel_size
= load_image_targphys(machine
->kernel_filename
,
670 KERNEL_LOAD_ADDR
, KERNEL_MAX_SIZE
);
671 if (kernel_size
< 0) {
672 error_report("Could not load kernel '%s'",
673 machine
->kernel_filename
);
679 if (machine
->initrd_filename
) {
680 pnv
->initrd_base
= INITRD_LOAD_ADDR
;
681 pnv
->initrd_size
= load_image_targphys(machine
->initrd_filename
,
682 pnv
->initrd_base
, INITRD_MAX_SIZE
);
683 if (pnv
->initrd_size
< 0) {
684 error_report("Could not load initial ram disk '%s'",
685 machine
->initrd_filename
);
691 * Check compatibility of the specified CPU with the machine
694 if (!pnv_match_cpu(mc
->default_cpu_type
, machine
->cpu_type
)) {
695 error_report("invalid CPU model '%s' for %s machine",
696 machine
->cpu_type
, mc
->name
);
700 /* Create the processor chips */
701 i
= strlen(machine
->cpu_type
) - strlen(POWERPC_CPU_TYPE_SUFFIX
);
702 chip_typename
= g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
703 i
, machine
->cpu_type
);
704 if (!object_class_by_name(chip_typename
)) {
705 error_report("invalid chip model '%.*s' for %s machine",
706 i
, machine
->cpu_type
, mc
->name
);
710 pnv
->chips
= g_new0(PnvChip
*, pnv
->num_chips
);
711 for (i
= 0; i
< pnv
->num_chips
; i
++) {
713 Object
*chip
= object_new(chip_typename
);
715 pnv
->chips
[i
] = PNV_CHIP(chip
);
718 * TODO: put all the memory in one node on chip 0 until we find a
719 * way to specify different ranges for each chip
722 object_property_set_int(chip
, machine
->ram_size
, "ram-size",
726 snprintf(chip_name
, sizeof(chip_name
), "chip[%d]", PNV_CHIP_HWID(i
));
727 object_property_add_child(OBJECT(pnv
), chip_name
, chip
, &error_fatal
);
728 object_property_set_int(chip
, PNV_CHIP_HWID(i
), "chip-id",
730 object_property_set_int(chip
, machine
->smp
.cores
,
731 "nr-cores", &error_fatal
);
732 object_property_set_bool(chip
, true, "realized", &error_fatal
);
734 g_free(chip_typename
);
736 /* Instantiate ISA bus on chip 0 */
737 pnv
->isa_bus
= pnv_isa_create(pnv
->chips
[0], &error_fatal
);
739 /* Create serial port */
740 serial_hds_isa_init(pnv
->isa_bus
, 0, MAX_ISA_SERIAL_PORTS
);
742 /* Create an RTC ISA device too */
743 mc146818_rtc_init(pnv
->isa_bus
, 2000, NULL
);
746 * OpenPOWER systems use a IPMI SEL Event message to notify the
749 pnv
->powerdown_notifier
.notify
= pnv_powerdown_notify
;
750 qemu_register_powerdown_notifier(&pnv
->powerdown_notifier
);
754 * 0:21 Reserved - Read as zeros
759 static uint32_t pnv_chip_core_pir_p8(PnvChip
*chip
, uint32_t core_id
)
761 return (chip
->chip_id
<< 7) | (core_id
<< 3);
764 static void pnv_chip_power8_intc_create(PnvChip
*chip
, PowerPCCPU
*cpu
,
767 Error
*local_err
= NULL
;
769 PnvCPUState
*pnv_cpu
= pnv_cpu_state(cpu
);
771 obj
= icp_create(OBJECT(cpu
), TYPE_PNV_ICP
, XICS_FABRIC(qdev_get_machine()),
774 error_propagate(errp
, local_err
);
781 static void pnv_chip_power8_intc_reset(PnvChip
*chip
, PowerPCCPU
*cpu
)
783 PnvCPUState
*pnv_cpu
= pnv_cpu_state(cpu
);
785 icp_reset(ICP(pnv_cpu
->intc
));
789 * 0:48 Reserved - Read as zeroes
792 * 56 Reserved - Read as zero
796 * We only care about the lower bits. uint32_t is fine for the moment.
798 static uint32_t pnv_chip_core_pir_p9(PnvChip
*chip
, uint32_t core_id
)
800 return (chip
->chip_id
<< 8) | (core_id
<< 2);
803 static void pnv_chip_power9_intc_create(PnvChip
*chip
, PowerPCCPU
*cpu
,
806 Pnv9Chip
*chip9
= PNV9_CHIP(chip
);
807 Error
*local_err
= NULL
;
809 PnvCPUState
*pnv_cpu
= pnv_cpu_state(cpu
);
812 * The core creates its interrupt presenter but the XIVE interrupt
813 * controller object is initialized afterwards. Hopefully, it's
814 * only used at runtime.
816 obj
= xive_tctx_create(OBJECT(cpu
), XIVE_ROUTER(&chip9
->xive
), &local_err
);
818 error_propagate(errp
, local_err
);
825 static void pnv_chip_power9_intc_reset(PnvChip
*chip
, PowerPCCPU
*cpu
)
827 PnvCPUState
*pnv_cpu
= pnv_cpu_state(cpu
);
829 xive_tctx_reset(XIVE_TCTX(pnv_cpu
->intc
));
833 * Allowed core identifiers on a POWER8 Processor Chip :
842 * <EX7,8 reserved> <reserved>
851 #define POWER8E_CORE_MASK (0x7070ull)
852 #define POWER8_CORE_MASK (0x7e7eull)
855 * POWER9 has 24 cores, ids starting at 0x0
857 #define POWER9_CORE_MASK (0xffffffffffffffull)
859 static void pnv_chip_power8_instance_init(Object
*obj
)
861 Pnv8Chip
*chip8
= PNV8_CHIP(obj
);
863 object_initialize_child(obj
, "psi", &chip8
->psi
, sizeof(chip8
->psi
),
864 TYPE_PNV8_PSI
, &error_abort
, NULL
);
865 object_property_add_const_link(OBJECT(&chip8
->psi
), "xics",
866 OBJECT(qdev_get_machine()), &error_abort
);
868 object_initialize_child(obj
, "lpc", &chip8
->lpc
, sizeof(chip8
->lpc
),
869 TYPE_PNV8_LPC
, &error_abort
, NULL
);
870 object_property_add_const_link(OBJECT(&chip8
->lpc
), "psi",
871 OBJECT(&chip8
->psi
), &error_abort
);
873 object_initialize_child(obj
, "occ", &chip8
->occ
, sizeof(chip8
->occ
),
874 TYPE_PNV8_OCC
, &error_abort
, NULL
);
875 object_property_add_const_link(OBJECT(&chip8
->occ
), "psi",
876 OBJECT(&chip8
->psi
), &error_abort
);
878 object_initialize_child(obj
, "homer", &chip8
->homer
, sizeof(chip8
->homer
),
879 TYPE_PNV8_HOMER
, &error_abort
, NULL
);
880 object_property_add_const_link(OBJECT(&chip8
->homer
), "chip", obj
,
884 static void pnv_chip_icp_realize(Pnv8Chip
*chip8
, Error
**errp
)
886 PnvChip
*chip
= PNV_CHIP(chip8
);
887 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
888 const char *typename
= pnv_chip_core_typename(chip
);
889 size_t typesize
= object_type_get_instance_size(typename
);
892 XICSFabric
*xi
= XICS_FABRIC(qdev_get_machine());
894 name
= g_strdup_printf("icp-%x", chip
->chip_id
);
895 memory_region_init(&chip8
->icp_mmio
, OBJECT(chip
), name
, PNV_ICP_SIZE
);
896 sysbus_init_mmio(SYS_BUS_DEVICE(chip
), &chip8
->icp_mmio
);
899 sysbus_mmio_map(SYS_BUS_DEVICE(chip
), 1, PNV_ICP_BASE(chip
));
901 /* Map the ICP registers for each thread */
902 for (i
= 0; i
< chip
->nr_cores
; i
++) {
903 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ i
* typesize
);
904 int core_hwid
= CPU_CORE(pnv_core
)->core_id
;
906 for (j
= 0; j
< CPU_CORE(pnv_core
)->nr_threads
; j
++) {
907 uint32_t pir
= pcc
->core_pir(chip
, core_hwid
) + j
;
908 PnvICPState
*icp
= PNV_ICP(xics_icp_get(xi
, pir
));
910 memory_region_add_subregion(&chip8
->icp_mmio
, pir
<< 12,
916 static void pnv_chip_power8_realize(DeviceState
*dev
, Error
**errp
)
918 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(dev
);
919 PnvChip
*chip
= PNV_CHIP(dev
);
920 Pnv8Chip
*chip8
= PNV8_CHIP(dev
);
921 Pnv8Psi
*psi8
= &chip8
->psi
;
922 Error
*local_err
= NULL
;
924 /* XSCOM bridge is first */
925 pnv_xscom_realize(chip
, PNV_XSCOM_SIZE
, &local_err
);
927 error_propagate(errp
, local_err
);
930 sysbus_mmio_map(SYS_BUS_DEVICE(chip
), 0, PNV_XSCOM_BASE(chip
));
932 pcc
->parent_realize(dev
, &local_err
);
934 error_propagate(errp
, local_err
);
938 /* Processor Service Interface (PSI) Host Bridge */
939 object_property_set_int(OBJECT(&chip8
->psi
), PNV_PSIHB_BASE(chip
),
940 "bar", &error_fatal
);
941 object_property_set_bool(OBJECT(&chip8
->psi
), true, "realized", &local_err
);
943 error_propagate(errp
, local_err
);
946 pnv_xscom_add_subregion(chip
, PNV_XSCOM_PSIHB_BASE
,
947 &PNV_PSI(psi8
)->xscom_regs
);
949 /* Create LPC controller */
950 object_property_set_bool(OBJECT(&chip8
->lpc
), true, "realized",
952 pnv_xscom_add_subregion(chip
, PNV_XSCOM_LPC_BASE
, &chip8
->lpc
.xscom_regs
);
954 chip
->dt_isa_nodename
= g_strdup_printf("/xscom@%" PRIx64
"/isa@%x",
955 (uint64_t) PNV_XSCOM_BASE(chip
),
959 * Interrupt Management Area. This is the memory region holding
960 * all the Interrupt Control Presenter (ICP) registers
962 pnv_chip_icp_realize(chip8
, &local_err
);
964 error_propagate(errp
, local_err
);
968 /* Create the simplified OCC model */
969 object_property_set_bool(OBJECT(&chip8
->occ
), true, "realized", &local_err
);
971 error_propagate(errp
, local_err
);
974 pnv_xscom_add_subregion(chip
, PNV_XSCOM_OCC_BASE
, &chip8
->occ
.xscom_regs
);
977 memory_region_add_subregion(get_system_memory(), PNV_OCC_COMMON_AREA(chip
),
978 &chip8
->occ
.sram_regs
);
981 object_property_set_bool(OBJECT(&chip8
->homer
), true, "realized",
984 error_propagate(errp
, local_err
);
987 memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip
),
991 static void pnv_chip_power8e_class_init(ObjectClass
*klass
, void *data
)
993 DeviceClass
*dc
= DEVICE_CLASS(klass
);
994 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
996 k
->chip_type
= PNV_CHIP_POWER8E
;
997 k
->chip_cfam_id
= 0x221ef04980000000ull
; /* P8 Murano DD2.1 */
998 k
->cores_mask
= POWER8E_CORE_MASK
;
999 k
->core_pir
= pnv_chip_core_pir_p8
;
1000 k
->intc_create
= pnv_chip_power8_intc_create
;
1001 k
->intc_reset
= pnv_chip_power8_intc_reset
;
1002 k
->isa_create
= pnv_chip_power8_isa_create
;
1003 k
->dt_populate
= pnv_chip_power8_dt_populate
;
1004 k
->pic_print_info
= pnv_chip_power8_pic_print_info
;
1005 dc
->desc
= "PowerNV Chip POWER8E";
1007 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
1008 &k
->parent_realize
);
1011 static void pnv_chip_power8_class_init(ObjectClass
*klass
, void *data
)
1013 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1014 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
1016 k
->chip_type
= PNV_CHIP_POWER8
;
1017 k
->chip_cfam_id
= 0x220ea04980000000ull
; /* P8 Venice DD2.0 */
1018 k
->cores_mask
= POWER8_CORE_MASK
;
1019 k
->core_pir
= pnv_chip_core_pir_p8
;
1020 k
->intc_create
= pnv_chip_power8_intc_create
;
1021 k
->intc_reset
= pnv_chip_power8_intc_reset
;
1022 k
->isa_create
= pnv_chip_power8_isa_create
;
1023 k
->dt_populate
= pnv_chip_power8_dt_populate
;
1024 k
->pic_print_info
= pnv_chip_power8_pic_print_info
;
1025 dc
->desc
= "PowerNV Chip POWER8";
1027 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
1028 &k
->parent_realize
);
1031 static void pnv_chip_power8nvl_class_init(ObjectClass
*klass
, void *data
)
1033 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1034 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
1036 k
->chip_type
= PNV_CHIP_POWER8NVL
;
1037 k
->chip_cfam_id
= 0x120d304980000000ull
; /* P8 Naples DD1.0 */
1038 k
->cores_mask
= POWER8_CORE_MASK
;
1039 k
->core_pir
= pnv_chip_core_pir_p8
;
1040 k
->intc_create
= pnv_chip_power8_intc_create
;
1041 k
->intc_reset
= pnv_chip_power8_intc_reset
;
1042 k
->isa_create
= pnv_chip_power8nvl_isa_create
;
1043 k
->dt_populate
= pnv_chip_power8_dt_populate
;
1044 k
->pic_print_info
= pnv_chip_power8_pic_print_info
;
1045 dc
->desc
= "PowerNV Chip POWER8NVL";
1047 device_class_set_parent_realize(dc
, pnv_chip_power8_realize
,
1048 &k
->parent_realize
);
1051 static void pnv_chip_power9_instance_init(Object
*obj
)
1053 Pnv9Chip
*chip9
= PNV9_CHIP(obj
);
1055 object_initialize_child(obj
, "xive", &chip9
->xive
, sizeof(chip9
->xive
),
1056 TYPE_PNV_XIVE
, &error_abort
, NULL
);
1057 object_property_add_const_link(OBJECT(&chip9
->xive
), "chip", obj
,
1060 object_initialize_child(obj
, "psi", &chip9
->psi
, sizeof(chip9
->psi
),
1061 TYPE_PNV9_PSI
, &error_abort
, NULL
);
1062 object_property_add_const_link(OBJECT(&chip9
->psi
), "chip", obj
,
1065 object_initialize_child(obj
, "lpc", &chip9
->lpc
, sizeof(chip9
->lpc
),
1066 TYPE_PNV9_LPC
, &error_abort
, NULL
);
1067 object_property_add_const_link(OBJECT(&chip9
->lpc
), "psi",
1068 OBJECT(&chip9
->psi
), &error_abort
);
1070 object_initialize_child(obj
, "occ", &chip9
->occ
, sizeof(chip9
->occ
),
1071 TYPE_PNV9_OCC
, &error_abort
, NULL
);
1072 object_property_add_const_link(OBJECT(&chip9
->occ
), "psi",
1073 OBJECT(&chip9
->psi
), &error_abort
);
1075 object_initialize_child(obj
, "homer", &chip9
->homer
, sizeof(chip9
->homer
),
1076 TYPE_PNV9_HOMER
, &error_abort
, NULL
);
1077 object_property_add_const_link(OBJECT(&chip9
->homer
), "chip", obj
,
1081 static void pnv_chip_quad_realize(Pnv9Chip
*chip9
, Error
**errp
)
1083 PnvChip
*chip
= PNV_CHIP(chip9
);
1084 const char *typename
= pnv_chip_core_typename(chip
);
1085 size_t typesize
= object_type_get_instance_size(typename
);
1088 chip9
->nr_quads
= DIV_ROUND_UP(chip
->nr_cores
, 4);
1089 chip9
->quads
= g_new0(PnvQuad
, chip9
->nr_quads
);
1091 for (i
= 0; i
< chip9
->nr_quads
; i
++) {
1093 PnvQuad
*eq
= &chip9
->quads
[i
];
1094 PnvCore
*pnv_core
= PNV_CORE(chip
->cores
+ (i
* 4) * typesize
);
1095 int core_id
= CPU_CORE(pnv_core
)->core_id
;
1097 snprintf(eq_name
, sizeof(eq_name
), "eq[%d]", core_id
);
1098 object_initialize_child(OBJECT(chip
), eq_name
, eq
, sizeof(*eq
),
1099 TYPE_PNV_QUAD
, &error_fatal
, NULL
);
1101 object_property_set_int(OBJECT(eq
), core_id
, "id", &error_fatal
);
1102 object_property_set_bool(OBJECT(eq
), true, "realized", &error_fatal
);
1104 pnv_xscom_add_subregion(chip
, PNV9_XSCOM_EQ_BASE(eq
->id
),
1109 static void pnv_chip_power9_realize(DeviceState
*dev
, Error
**errp
)
1111 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(dev
);
1112 Pnv9Chip
*chip9
= PNV9_CHIP(dev
);
1113 PnvChip
*chip
= PNV_CHIP(dev
);
1114 Pnv9Psi
*psi9
= &chip9
->psi
;
1115 Error
*local_err
= NULL
;
1117 /* XSCOM bridge is first */
1118 pnv_xscom_realize(chip
, PNV9_XSCOM_SIZE
, &local_err
);
1120 error_propagate(errp
, local_err
);
1123 sysbus_mmio_map(SYS_BUS_DEVICE(chip
), 0, PNV9_XSCOM_BASE(chip
));
1125 pcc
->parent_realize(dev
, &local_err
);
1127 error_propagate(errp
, local_err
);
1131 pnv_chip_quad_realize(chip9
, &local_err
);
1133 error_propagate(errp
, local_err
);
1137 /* XIVE interrupt controller (POWER9) */
1138 object_property_set_int(OBJECT(&chip9
->xive
), PNV9_XIVE_IC_BASE(chip
),
1139 "ic-bar", &error_fatal
);
1140 object_property_set_int(OBJECT(&chip9
->xive
), PNV9_XIVE_VC_BASE(chip
),
1141 "vc-bar", &error_fatal
);
1142 object_property_set_int(OBJECT(&chip9
->xive
), PNV9_XIVE_PC_BASE(chip
),
1143 "pc-bar", &error_fatal
);
1144 object_property_set_int(OBJECT(&chip9
->xive
), PNV9_XIVE_TM_BASE(chip
),
1145 "tm-bar", &error_fatal
);
1146 object_property_set_bool(OBJECT(&chip9
->xive
), true, "realized",
1149 error_propagate(errp
, local_err
);
1152 pnv_xscom_add_subregion(chip
, PNV9_XSCOM_XIVE_BASE
,
1153 &chip9
->xive
.xscom_regs
);
1155 /* Processor Service Interface (PSI) Host Bridge */
1156 object_property_set_int(OBJECT(&chip9
->psi
), PNV9_PSIHB_BASE(chip
),
1157 "bar", &error_fatal
);
1158 object_property_set_bool(OBJECT(&chip9
->psi
), true, "realized", &local_err
);
1160 error_propagate(errp
, local_err
);
1163 pnv_xscom_add_subregion(chip
, PNV9_XSCOM_PSIHB_BASE
,
1164 &PNV_PSI(psi9
)->xscom_regs
);
1167 object_property_set_bool(OBJECT(&chip9
->lpc
), true, "realized", &local_err
);
1169 error_propagate(errp
, local_err
);
1172 memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip
),
1173 &chip9
->lpc
.xscom_regs
);
1175 chip
->dt_isa_nodename
= g_strdup_printf("/lpcm-opb@%" PRIx64
"/lpc@0",
1176 (uint64_t) PNV9_LPCM_BASE(chip
));
1178 /* Create the simplified OCC model */
1179 object_property_set_bool(OBJECT(&chip9
->occ
), true, "realized", &local_err
);
1181 error_propagate(errp
, local_err
);
1184 pnv_xscom_add_subregion(chip
, PNV9_XSCOM_OCC_BASE
, &chip9
->occ
.xscom_regs
);
1186 /* OCC SRAM model */
1187 memory_region_add_subregion(get_system_memory(), PNV9_OCC_COMMON_AREA(chip
),
1188 &chip9
->occ
.sram_regs
);
1191 object_property_set_bool(OBJECT(&chip9
->homer
), true, "realized",
1194 error_propagate(errp
, local_err
);
1197 memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip
),
1198 &chip9
->homer
.regs
);
1201 static void pnv_chip_power9_class_init(ObjectClass
*klass
, void *data
)
1203 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1204 PnvChipClass
*k
= PNV_CHIP_CLASS(klass
);
1206 k
->chip_type
= PNV_CHIP_POWER9
;
1207 k
->chip_cfam_id
= 0x220d104900008000ull
; /* P9 Nimbus DD2.0 */
1208 k
->cores_mask
= POWER9_CORE_MASK
;
1209 k
->core_pir
= pnv_chip_core_pir_p9
;
1210 k
->intc_create
= pnv_chip_power9_intc_create
;
1211 k
->intc_reset
= pnv_chip_power9_intc_reset
;
1212 k
->isa_create
= pnv_chip_power9_isa_create
;
1213 k
->dt_populate
= pnv_chip_power9_dt_populate
;
1214 k
->pic_print_info
= pnv_chip_power9_pic_print_info
;
1215 dc
->desc
= "PowerNV Chip POWER9";
1217 device_class_set_parent_realize(dc
, pnv_chip_power9_realize
,
1218 &k
->parent_realize
);
1221 static void pnv_chip_core_sanitize(PnvChip
*chip
, Error
**errp
)
1223 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
1227 * No custom mask for this chip, let's use the default one from *
1230 if (!chip
->cores_mask
) {
1231 chip
->cores_mask
= pcc
->cores_mask
;
1234 /* filter alien core ids ! some are reserved */
1235 if ((chip
->cores_mask
& pcc
->cores_mask
) != chip
->cores_mask
) {
1236 error_setg(errp
, "warning: invalid core mask for chip Ox%"PRIx64
" !",
1240 chip
->cores_mask
&= pcc
->cores_mask
;
1242 /* now that we have a sane layout, let check the number of cores */
1243 cores_max
= ctpop64(chip
->cores_mask
);
1244 if (chip
->nr_cores
> cores_max
) {
1245 error_setg(errp
, "warning: too many cores for chip ! Limit is %d",
1251 static void pnv_chip_core_realize(PnvChip
*chip
, Error
**errp
)
1253 MachineState
*ms
= MACHINE(qdev_get_machine());
1254 Error
*error
= NULL
;
1255 PnvChipClass
*pcc
= PNV_CHIP_GET_CLASS(chip
);
1256 const char *typename
= pnv_chip_core_typename(chip
);
1257 size_t typesize
= object_type_get_instance_size(typename
);
1260 if (!object_class_by_name(typename
)) {
1261 error_setg(errp
, "Unable to find PowerNV CPU Core '%s'", typename
);
1266 pnv_chip_core_sanitize(chip
, &error
);
1268 error_propagate(errp
, error
);
1272 chip
->cores
= g_malloc0(typesize
* chip
->nr_cores
);
1274 for (i
= 0, core_hwid
= 0; (core_hwid
< sizeof(chip
->cores_mask
) * 8)
1275 && (i
< chip
->nr_cores
); core_hwid
++) {
1277 void *pnv_core
= chip
->cores
+ i
* typesize
;
1278 uint64_t xscom_core_base
;
1280 if (!(chip
->cores_mask
& (1ull << core_hwid
))) {
1284 snprintf(core_name
, sizeof(core_name
), "core[%d]", core_hwid
);
1285 object_initialize_child(OBJECT(chip
), core_name
, pnv_core
, typesize
,
1286 typename
, &error_fatal
, NULL
);
1287 object_property_set_int(OBJECT(pnv_core
), ms
->smp
.threads
, "nr-threads",
1289 object_property_set_int(OBJECT(pnv_core
), core_hwid
,
1290 CPU_CORE_PROP_CORE_ID
, &error_fatal
);
1291 object_property_set_int(OBJECT(pnv_core
),
1292 pcc
->core_pir(chip
, core_hwid
),
1293 "pir", &error_fatal
);
1294 object_property_add_const_link(OBJECT(pnv_core
), "chip",
1295 OBJECT(chip
), &error_fatal
);
1296 object_property_set_bool(OBJECT(pnv_core
), true, "realized",
1299 /* Each core has an XSCOM MMIO region */
1300 if (!pnv_chip_is_power9(chip
)) {
1301 xscom_core_base
= PNV_XSCOM_EX_BASE(core_hwid
);
1303 xscom_core_base
= PNV9_XSCOM_EC_BASE(core_hwid
);
1306 pnv_xscom_add_subregion(chip
, xscom_core_base
,
1307 &PNV_CORE(pnv_core
)->xscom_regs
);
1312 static void pnv_chip_realize(DeviceState
*dev
, Error
**errp
)
1314 PnvChip
*chip
= PNV_CHIP(dev
);
1315 Error
*error
= NULL
;
1318 pnv_chip_core_realize(chip
, &error
);
1320 error_propagate(errp
, error
);
1325 static Property pnv_chip_properties
[] = {
1326 DEFINE_PROP_UINT32("chip-id", PnvChip
, chip_id
, 0),
1327 DEFINE_PROP_UINT64("ram-start", PnvChip
, ram_start
, 0),
1328 DEFINE_PROP_UINT64("ram-size", PnvChip
, ram_size
, 0),
1329 DEFINE_PROP_UINT32("nr-cores", PnvChip
, nr_cores
, 1),
1330 DEFINE_PROP_UINT64("cores-mask", PnvChip
, cores_mask
, 0x0),
1331 DEFINE_PROP_END_OF_LIST(),
1334 static void pnv_chip_class_init(ObjectClass
*klass
, void *data
)
1336 DeviceClass
*dc
= DEVICE_CLASS(klass
);
1338 set_bit(DEVICE_CATEGORY_CPU
, dc
->categories
);
1339 dc
->realize
= pnv_chip_realize
;
1340 dc
->props
= pnv_chip_properties
;
1341 dc
->desc
= "PowerNV Chip";
1344 static ICSState
*pnv_ics_get(XICSFabric
*xi
, int irq
)
1346 PnvMachineState
*pnv
= PNV_MACHINE(xi
);
1349 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1350 Pnv8Chip
*chip8
= PNV8_CHIP(pnv
->chips
[i
]);
1352 if (ics_valid_irq(&chip8
->psi
.ics
, irq
)) {
1353 return &chip8
->psi
.ics
;
1359 static void pnv_ics_resend(XICSFabric
*xi
)
1361 PnvMachineState
*pnv
= PNV_MACHINE(xi
);
1364 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1365 Pnv8Chip
*chip8
= PNV8_CHIP(pnv
->chips
[i
]);
1366 ics_resend(&chip8
->psi
.ics
);
1370 static ICPState
*pnv_icp_get(XICSFabric
*xi
, int pir
)
1372 PowerPCCPU
*cpu
= ppc_get_vcpu_by_pir(pir
);
1374 return cpu
? ICP(pnv_cpu_state(cpu
)->intc
) : NULL
;
1377 static void pnv_pic_print_info(InterruptStatsProvider
*obj
,
1380 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1385 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
1387 if (pnv_chip_is_power9(pnv
->chips
[0])) {
1388 xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu
)->intc
), mon
);
1390 icp_pic_print_info(ICP(pnv_cpu_state(cpu
)->intc
), mon
);
1394 for (i
= 0; i
< pnv
->num_chips
; i
++) {
1395 PNV_CHIP_GET_CLASS(pnv
->chips
[i
])->pic_print_info(pnv
->chips
[i
], mon
);
1399 static void pnv_get_num_chips(Object
*obj
, Visitor
*v
, const char *name
,
1400 void *opaque
, Error
**errp
)
1402 visit_type_uint32(v
, name
, &PNV_MACHINE(obj
)->num_chips
, errp
);
1405 static void pnv_set_num_chips(Object
*obj
, Visitor
*v
, const char *name
,
1406 void *opaque
, Error
**errp
)
1408 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1410 Error
*local_err
= NULL
;
1412 visit_type_uint32(v
, name
, &num_chips
, &local_err
);
1414 error_propagate(errp
, local_err
);
1419 * TODO: should we decide on how many chips we can create based
1420 * on #cores and Venice vs. Murano vs. Naples chip type etc...,
1422 if (!is_power_of_2(num_chips
) || num_chips
> 4) {
1423 error_setg(errp
, "invalid number of chips: '%d'", num_chips
);
1427 pnv
->num_chips
= num_chips
;
1430 static void pnv_machine_instance_init(Object
*obj
)
1432 PnvMachineState
*pnv
= PNV_MACHINE(obj
);
1436 static void pnv_machine_class_props_init(ObjectClass
*oc
)
1438 object_class_property_add(oc
, "num-chips", "uint32",
1439 pnv_get_num_chips
, pnv_set_num_chips
,
1441 object_class_property_set_description(oc
, "num-chips",
1442 "Specifies the number of processor chips",
1446 static void pnv_machine_power8_class_init(ObjectClass
*oc
, void *data
)
1448 MachineClass
*mc
= MACHINE_CLASS(oc
);
1449 XICSFabricClass
*xic
= XICS_FABRIC_CLASS(oc
);
1451 mc
->desc
= "IBM PowerNV (Non-Virtualized) POWER8";
1452 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power8_v2.0");
1454 xic
->icp_get
= pnv_icp_get
;
1455 xic
->ics_get
= pnv_ics_get
;
1456 xic
->ics_resend
= pnv_ics_resend
;
1459 static void pnv_machine_power9_class_init(ObjectClass
*oc
, void *data
)
1461 MachineClass
*mc
= MACHINE_CLASS(oc
);
1463 mc
->desc
= "IBM PowerNV (Non-Virtualized) POWER9";
1464 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power9_v2.0");
1466 mc
->alias
= "powernv";
1469 static void pnv_machine_class_init(ObjectClass
*oc
, void *data
)
1471 MachineClass
*mc
= MACHINE_CLASS(oc
);
1472 InterruptStatsProviderClass
*ispc
= INTERRUPT_STATS_PROVIDER_CLASS(oc
);
1474 mc
->desc
= "IBM PowerNV (Non-Virtualized)";
1475 mc
->init
= pnv_init
;
1476 mc
->reset
= pnv_reset
;
1477 mc
->max_cpus
= MAX_CPUS
;
1478 /* Pnv provides a AHCI device for storage */
1479 mc
->block_default_type
= IF_IDE
;
1480 mc
->no_parallel
= 1;
1481 mc
->default_boot_order
= NULL
;
1483 * RAM defaults to less than 2048 for 32-bit hosts, and large
1484 * enough to fit the maximum initrd size at it's load address
1486 mc
->default_ram_size
= INITRD_LOAD_ADDR
+ INITRD_MAX_SIZE
;
1487 ispc
->print_info
= pnv_pic_print_info
;
1489 pnv_machine_class_props_init(oc
);
1492 #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \
1495 .class_init = class_initfn, \
1496 .parent = TYPE_PNV8_CHIP, \
1499 #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \
1502 .class_init = class_initfn, \
1503 .parent = TYPE_PNV9_CHIP, \
1506 static const TypeInfo types
[] = {
1508 .name
= MACHINE_TYPE_NAME("powernv9"),
1509 .parent
= TYPE_PNV_MACHINE
,
1510 .class_init
= pnv_machine_power9_class_init
,
1513 .name
= MACHINE_TYPE_NAME("powernv8"),
1514 .parent
= TYPE_PNV_MACHINE
,
1515 .class_init
= pnv_machine_power8_class_init
,
1516 .interfaces
= (InterfaceInfo
[]) {
1517 { TYPE_XICS_FABRIC
},
1522 .name
= TYPE_PNV_MACHINE
,
1523 .parent
= TYPE_MACHINE
,
1525 .instance_size
= sizeof(PnvMachineState
),
1526 .instance_init
= pnv_machine_instance_init
,
1527 .class_init
= pnv_machine_class_init
,
1528 .interfaces
= (InterfaceInfo
[]) {
1529 { TYPE_INTERRUPT_STATS_PROVIDER
},
1534 .name
= TYPE_PNV_CHIP
,
1535 .parent
= TYPE_SYS_BUS_DEVICE
,
1536 .class_init
= pnv_chip_class_init
,
1537 .instance_size
= sizeof(PnvChip
),
1538 .class_size
= sizeof(PnvChipClass
),
1543 * P9 chip and variants
1546 .name
= TYPE_PNV9_CHIP
,
1547 .parent
= TYPE_PNV_CHIP
,
1548 .instance_init
= pnv_chip_power9_instance_init
,
1549 .instance_size
= sizeof(Pnv9Chip
),
1551 DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9
, pnv_chip_power9_class_init
),
1554 * P8 chip and variants
1557 .name
= TYPE_PNV8_CHIP
,
1558 .parent
= TYPE_PNV_CHIP
,
1559 .instance_init
= pnv_chip_power8_instance_init
,
1560 .instance_size
= sizeof(Pnv8Chip
),
1562 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8
, pnv_chip_power8_class_init
),
1563 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E
, pnv_chip_power8e_class_init
),
1564 DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL
,
1565 pnv_chip_power8nvl_class_init
),