2 * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
4 * Copyright (c) 2004-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
6 * Copyright (c) 2010 David Gibson, IBM Corporation.
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 #include "qemu/osdep.h"
28 #include "qemu-common.h"
29 #include "qemu/datadir.h"
30 #include "qapi/error.h"
31 #include "qapi/qapi-events-machine.h"
32 #include "qapi/qapi-events-qdev.h"
33 #include "qapi/visitor.h"
34 #include "sysemu/sysemu.h"
35 #include "sysemu/hostmem.h"
36 #include "sysemu/numa.h"
37 #include "sysemu/qtest.h"
38 #include "sysemu/reset.h"
39 #include "sysemu/runstate.h"
41 #include "hw/fw-path-provider.h"
44 #include "sysemu/device_tree.h"
45 #include "sysemu/cpus.h"
46 #include "sysemu/hw_accel.h"
48 #include "migration/misc.h"
49 #include "migration/qemu-file-types.h"
50 #include "migration/global_state.h"
51 #include "migration/register.h"
52 #include "migration/blocker.h"
53 #include "mmu-hash64.h"
54 #include "mmu-book3s-v3.h"
55 #include "cpu-models.h"
56 #include "hw/core/cpu.h"
58 #include "hw/ppc/ppc.h"
59 #include "hw/loader.h"
61 #include "hw/ppc/fdt.h"
62 #include "hw/ppc/spapr.h"
63 #include "hw/ppc/spapr_vio.h"
64 #include "hw/qdev-properties.h"
65 #include "hw/pci-host/spapr.h"
66 #include "hw/pci/msi.h"
68 #include "hw/pci/pci.h"
69 #include "hw/scsi/scsi.h"
70 #include "hw/virtio/virtio-scsi.h"
71 #include "hw/virtio/vhost-scsi-common.h"
73 #include "exec/ram_addr.h"
75 #include "qemu/config-file.h"
76 #include "qemu/error-report.h"
79 #include "hw/intc/intc.h"
81 #include "hw/ppc/spapr_cpu_core.h"
82 #include "hw/mem/memory-device.h"
83 #include "hw/ppc/spapr_tpm_proxy.h"
84 #include "hw/ppc/spapr_nvdimm.h"
85 #include "hw/ppc/spapr_numa.h"
86 #include "hw/ppc/pef.h"
88 #include "monitor/monitor.h"
92 /* SLOF memory layout:
94 * SLOF raw image loaded at 0, copies its romfs right below the flat
95 * device-tree, then position SLOF itself 31M below that
97 * So we set FW_OVERHEAD to 40MB which should account for all of that
100 * We load our kernel at 4M, leaving space for SLOF initial image
102 #define FDT_MAX_ADDR 0x80000000 /* FDT must stay below that */
103 #define FW_MAX_SIZE 0x400000
104 #define FW_FILE_NAME "slof.bin"
105 #define FW_FILE_NAME_VOF "vof.bin"
106 #define FW_OVERHEAD 0x2800000
107 #define KERNEL_LOAD_ADDR FW_MAX_SIZE
109 #define MIN_RMA_SLOF (128 * MiB)
111 #define PHANDLE_INTC 0x00001111
113 /* These two functions implement the VCPU id numbering: one to compute them
114 * all and one to identify thread 0 of a VCORE. Any change to the first one
115 * is likely to have an impact on the second one, so let's keep them close.
117 static int spapr_vcpu_id(SpaprMachineState
*spapr
, int cpu_index
)
119 MachineState
*ms
= MACHINE(spapr
);
120 unsigned int smp_threads
= ms
->smp
.threads
;
124 (cpu_index
/ smp_threads
) * spapr
->vsmt
+ cpu_index
% smp_threads
;
126 static bool spapr_is_thread0_in_vcore(SpaprMachineState
*spapr
,
130 return spapr_get_vcpu_id(cpu
) % spapr
->vsmt
== 0;
133 static bool pre_2_10_vmstate_dummy_icp_needed(void *opaque
)
135 /* Dummy entries correspond to unused ICPState objects in older QEMUs,
136 * and newer QEMUs don't even have them. In both cases, we don't want
137 * to send anything on the wire.
142 static const VMStateDescription pre_2_10_vmstate_dummy_icp
= {
143 .name
= "icp/server",
145 .minimum_version_id
= 1,
146 .needed
= pre_2_10_vmstate_dummy_icp_needed
,
147 .fields
= (VMStateField
[]) {
148 VMSTATE_UNUSED(4), /* uint32_t xirr */
149 VMSTATE_UNUSED(1), /* uint8_t pending_priority */
150 VMSTATE_UNUSED(1), /* uint8_t mfrr */
151 VMSTATE_END_OF_LIST()
155 static void pre_2_10_vmstate_register_dummy_icp(int i
)
157 vmstate_register(NULL
, i
, &pre_2_10_vmstate_dummy_icp
,
158 (void *)(uintptr_t) i
);
161 static void pre_2_10_vmstate_unregister_dummy_icp(int i
)
163 vmstate_unregister(NULL
, &pre_2_10_vmstate_dummy_icp
,
164 (void *)(uintptr_t) i
);
167 int spapr_max_server_number(SpaprMachineState
*spapr
)
169 MachineState
*ms
= MACHINE(spapr
);
172 return DIV_ROUND_UP(ms
->smp
.max_cpus
* spapr
->vsmt
, ms
->smp
.threads
);
175 static int spapr_fixup_cpu_smt_dt(void *fdt
, int offset
, PowerPCCPU
*cpu
,
179 uint32_t servers_prop
[smt_threads
];
180 uint32_t gservers_prop
[smt_threads
* 2];
181 int index
= spapr_get_vcpu_id(cpu
);
183 if (cpu
->compat_pvr
) {
184 ret
= fdt_setprop_cell(fdt
, offset
, "cpu-version", cpu
->compat_pvr
);
190 /* Build interrupt servers and gservers properties */
191 for (i
= 0; i
< smt_threads
; i
++) {
192 servers_prop
[i
] = cpu_to_be32(index
+ i
);
193 /* Hack, direct the group queues back to cpu 0 */
194 gservers_prop
[i
*2] = cpu_to_be32(index
+ i
);
195 gservers_prop
[i
*2 + 1] = 0;
197 ret
= fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-server#s",
198 servers_prop
, sizeof(servers_prop
));
202 ret
= fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-gserver#s",
203 gservers_prop
, sizeof(gservers_prop
));
208 static void spapr_dt_pa_features(SpaprMachineState
*spapr
,
210 void *fdt
, int offset
)
212 uint8_t pa_features_206
[] = { 6, 0,
213 0xf6, 0x1f, 0xc7, 0x00, 0x80, 0xc0 };
214 uint8_t pa_features_207
[] = { 24, 0,
215 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0,
216 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
217 0x00, 0x00, 0x00, 0x00, 0x80, 0x00,
218 0x80, 0x00, 0x80, 0x00, 0x00, 0x00 };
219 uint8_t pa_features_300
[] = { 66, 0,
220 /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */
221 /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, SSO, 5: LE|CFAR|EB|LSQ */
222 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, /* 0 - 5 */
224 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */
226 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */
227 /* 18: Vec. Scalar, 20: Vec. XOR, 22: HTM */
228 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 18 - 23 */
229 /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */
230 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */
231 /* 30: MMR, 32: LE atomic, 34: EBB + ext EBB */
232 0x80, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */
233 /* 36: SPR SO, 38: Copy/Paste, 40: Radix MMU */
234 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 36 - 41 */
235 /* 42: PM, 44: PC RA, 46: SC vec'd */
236 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */
237 /* 48: SIMD, 50: QP BFP, 52: String */
238 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */
239 /* 54: DecFP, 56: DecI, 58: SHA */
240 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */
241 /* 60: NM atomic, 62: RNG */
242 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */
244 uint8_t *pa_features
= NULL
;
247 if (ppc_check_compat(cpu
, CPU_POWERPC_LOGICAL_2_06
, 0, cpu
->compat_pvr
)) {
248 pa_features
= pa_features_206
;
249 pa_size
= sizeof(pa_features_206
);
251 if (ppc_check_compat(cpu
, CPU_POWERPC_LOGICAL_2_07
, 0, cpu
->compat_pvr
)) {
252 pa_features
= pa_features_207
;
253 pa_size
= sizeof(pa_features_207
);
255 if (ppc_check_compat(cpu
, CPU_POWERPC_LOGICAL_3_00
, 0, cpu
->compat_pvr
)) {
256 pa_features
= pa_features_300
;
257 pa_size
= sizeof(pa_features_300
);
263 if (ppc_hash64_has(cpu
, PPC_HASH64_CI_LARGEPAGE
)) {
265 * Note: we keep CI large pages off by default because a 64K capable
266 * guest provisioned with large pages might otherwise try to map a qemu
267 * framebuffer (or other kind of memory mapped PCI BAR) using 64K pages
268 * even if that qemu runs on a 4k host.
269 * We dd this bit back here if we are confident this is not an issue
271 pa_features
[3] |= 0x20;
273 if ((spapr_get_cap(spapr
, SPAPR_CAP_HTM
) != 0) && pa_size
> 24) {
274 pa_features
[24] |= 0x80; /* Transactional memory support */
276 if (spapr
->cas_pre_isa3_guest
&& pa_size
> 40) {
277 /* Workaround for broken kernels that attempt (guest) radix
278 * mode when they can't handle it, if they see the radix bit set
279 * in pa-features. So hide it from them. */
280 pa_features
[40 + 2] &= ~0x80; /* Radix MMU */
283 _FDT((fdt_setprop(fdt
, offset
, "ibm,pa-features", pa_features
, pa_size
)));
286 static hwaddr
spapr_node0_size(MachineState
*machine
)
288 if (machine
->numa_state
->num_nodes
) {
290 for (i
= 0; i
< machine
->numa_state
->num_nodes
; ++i
) {
291 if (machine
->numa_state
->nodes
[i
].node_mem
) {
292 return MIN(pow2floor(machine
->numa_state
->nodes
[i
].node_mem
),
297 return machine
->ram_size
;
300 static void add_str(GString
*s
, const gchar
*s1
)
302 g_string_append_len(s
, s1
, strlen(s1
) + 1);
305 static int spapr_dt_memory_node(SpaprMachineState
*spapr
, void *fdt
, int nodeid
,
306 hwaddr start
, hwaddr size
)
309 uint64_t mem_reg_property
[2];
312 mem_reg_property
[0] = cpu_to_be64(start
);
313 mem_reg_property
[1] = cpu_to_be64(size
);
315 sprintf(mem_name
, "memory@%" HWADDR_PRIx
, start
);
316 off
= fdt_add_subnode(fdt
, 0, mem_name
);
318 _FDT((fdt_setprop_string(fdt
, off
, "device_type", "memory")));
319 _FDT((fdt_setprop(fdt
, off
, "reg", mem_reg_property
,
320 sizeof(mem_reg_property
))));
321 spapr_numa_write_associativity_dt(spapr
, fdt
, off
, nodeid
);
325 static uint32_t spapr_pc_dimm_node(MemoryDeviceInfoList
*list
, ram_addr_t addr
)
327 MemoryDeviceInfoList
*info
;
329 for (info
= list
; info
; info
= info
->next
) {
330 MemoryDeviceInfo
*value
= info
->value
;
332 if (value
&& value
->type
== MEMORY_DEVICE_INFO_KIND_DIMM
) {
333 PCDIMMDeviceInfo
*pcdimm_info
= value
->u
.dimm
.data
;
335 if (addr
>= pcdimm_info
->addr
&&
336 addr
< (pcdimm_info
->addr
+ pcdimm_info
->size
)) {
337 return pcdimm_info
->node
;
345 struct sPAPRDrconfCellV2
{
353 typedef struct DrconfCellQueue
{
354 struct sPAPRDrconfCellV2 cell
;
355 QSIMPLEQ_ENTRY(DrconfCellQueue
) entry
;
358 static DrconfCellQueue
*
359 spapr_get_drconf_cell(uint32_t seq_lmbs
, uint64_t base_addr
,
360 uint32_t drc_index
, uint32_t aa_index
,
363 DrconfCellQueue
*elem
;
365 elem
= g_malloc0(sizeof(*elem
));
366 elem
->cell
.seq_lmbs
= cpu_to_be32(seq_lmbs
);
367 elem
->cell
.base_addr
= cpu_to_be64(base_addr
);
368 elem
->cell
.drc_index
= cpu_to_be32(drc_index
);
369 elem
->cell
.aa_index
= cpu_to_be32(aa_index
);
370 elem
->cell
.flags
= cpu_to_be32(flags
);
375 static int spapr_dt_dynamic_memory_v2(SpaprMachineState
*spapr
, void *fdt
,
376 int offset
, MemoryDeviceInfoList
*dimms
)
378 MachineState
*machine
= MACHINE(spapr
);
379 uint8_t *int_buf
, *cur_index
;
381 uint64_t lmb_size
= SPAPR_MEMORY_BLOCK_SIZE
;
382 uint64_t addr
, cur_addr
, size
;
383 uint32_t nr_boot_lmbs
= (machine
->device_memory
->base
/ lmb_size
);
384 uint64_t mem_end
= machine
->device_memory
->base
+
385 memory_region_size(&machine
->device_memory
->mr
);
386 uint32_t node
, buf_len
, nr_entries
= 0;
388 DrconfCellQueue
*elem
, *next
;
389 MemoryDeviceInfoList
*info
;
390 QSIMPLEQ_HEAD(, DrconfCellQueue
) drconf_queue
391 = QSIMPLEQ_HEAD_INITIALIZER(drconf_queue
);
393 /* Entry to cover RAM and the gap area */
394 elem
= spapr_get_drconf_cell(nr_boot_lmbs
, 0, 0, -1,
395 SPAPR_LMB_FLAGS_RESERVED
|
396 SPAPR_LMB_FLAGS_DRC_INVALID
);
397 QSIMPLEQ_INSERT_TAIL(&drconf_queue
, elem
, entry
);
400 cur_addr
= machine
->device_memory
->base
;
401 for (info
= dimms
; info
; info
= info
->next
) {
402 PCDIMMDeviceInfo
*di
= info
->value
->u
.dimm
.data
;
409 * The NVDIMM area is hotpluggable after the NVDIMM is unplugged. The
410 * area is marked hotpluggable in the next iteration for the bigger
411 * chunk including the NVDIMM occupied area.
413 if (info
->value
->type
== MEMORY_DEVICE_INFO_KIND_NVDIMM
)
416 /* Entry for hot-pluggable area */
417 if (cur_addr
< addr
) {
418 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
, cur_addr
/ lmb_size
);
420 elem
= spapr_get_drconf_cell((addr
- cur_addr
) / lmb_size
,
421 cur_addr
, spapr_drc_index(drc
), -1, 0);
422 QSIMPLEQ_INSERT_TAIL(&drconf_queue
, elem
, entry
);
427 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
, addr
/ lmb_size
);
429 elem
= spapr_get_drconf_cell(size
/ lmb_size
, addr
,
430 spapr_drc_index(drc
), node
,
431 (SPAPR_LMB_FLAGS_ASSIGNED
|
432 SPAPR_LMB_FLAGS_HOTREMOVABLE
));
433 QSIMPLEQ_INSERT_TAIL(&drconf_queue
, elem
, entry
);
435 cur_addr
= addr
+ size
;
438 /* Entry for remaining hotpluggable area */
439 if (cur_addr
< mem_end
) {
440 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
, cur_addr
/ lmb_size
);
442 elem
= spapr_get_drconf_cell((mem_end
- cur_addr
) / lmb_size
,
443 cur_addr
, spapr_drc_index(drc
), -1, 0);
444 QSIMPLEQ_INSERT_TAIL(&drconf_queue
, elem
, entry
);
448 buf_len
= nr_entries
* sizeof(struct sPAPRDrconfCellV2
) + sizeof(uint32_t);
449 int_buf
= cur_index
= g_malloc0(buf_len
);
450 *(uint32_t *)int_buf
= cpu_to_be32(nr_entries
);
451 cur_index
+= sizeof(nr_entries
);
453 QSIMPLEQ_FOREACH_SAFE(elem
, &drconf_queue
, entry
, next
) {
454 memcpy(cur_index
, &elem
->cell
, sizeof(elem
->cell
));
455 cur_index
+= sizeof(elem
->cell
);
456 QSIMPLEQ_REMOVE(&drconf_queue
, elem
, DrconfCellQueue
, entry
);
460 ret
= fdt_setprop(fdt
, offset
, "ibm,dynamic-memory-v2", int_buf
, buf_len
);
468 static int spapr_dt_dynamic_memory(SpaprMachineState
*spapr
, void *fdt
,
469 int offset
, MemoryDeviceInfoList
*dimms
)
471 MachineState
*machine
= MACHINE(spapr
);
473 uint64_t lmb_size
= SPAPR_MEMORY_BLOCK_SIZE
;
474 uint32_t device_lmb_start
= machine
->device_memory
->base
/ lmb_size
;
475 uint32_t nr_lmbs
= (machine
->device_memory
->base
+
476 memory_region_size(&machine
->device_memory
->mr
)) /
478 uint32_t *int_buf
, *cur_index
, buf_len
;
481 * Allocate enough buffer size to fit in ibm,dynamic-memory
483 buf_len
= (nr_lmbs
* SPAPR_DR_LMB_LIST_ENTRY_SIZE
+ 1) * sizeof(uint32_t);
484 cur_index
= int_buf
= g_malloc0(buf_len
);
485 int_buf
[0] = cpu_to_be32(nr_lmbs
);
487 for (i
= 0; i
< nr_lmbs
; i
++) {
488 uint64_t addr
= i
* lmb_size
;
489 uint32_t *dynamic_memory
= cur_index
;
491 if (i
>= device_lmb_start
) {
494 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
, i
);
497 dynamic_memory
[0] = cpu_to_be32(addr
>> 32);
498 dynamic_memory
[1] = cpu_to_be32(addr
& 0xffffffff);
499 dynamic_memory
[2] = cpu_to_be32(spapr_drc_index(drc
));
500 dynamic_memory
[3] = cpu_to_be32(0); /* reserved */
501 dynamic_memory
[4] = cpu_to_be32(spapr_pc_dimm_node(dimms
, addr
));
502 if (memory_region_present(get_system_memory(), addr
)) {
503 dynamic_memory
[5] = cpu_to_be32(SPAPR_LMB_FLAGS_ASSIGNED
);
505 dynamic_memory
[5] = cpu_to_be32(0);
509 * LMB information for RMA, boot time RAM and gap b/n RAM and
510 * device memory region -- all these are marked as reserved
511 * and as having no valid DRC.
513 dynamic_memory
[0] = cpu_to_be32(addr
>> 32);
514 dynamic_memory
[1] = cpu_to_be32(addr
& 0xffffffff);
515 dynamic_memory
[2] = cpu_to_be32(0);
516 dynamic_memory
[3] = cpu_to_be32(0); /* reserved */
517 dynamic_memory
[4] = cpu_to_be32(-1);
518 dynamic_memory
[5] = cpu_to_be32(SPAPR_LMB_FLAGS_RESERVED
|
519 SPAPR_LMB_FLAGS_DRC_INVALID
);
522 cur_index
+= SPAPR_DR_LMB_LIST_ENTRY_SIZE
;
524 ret
= fdt_setprop(fdt
, offset
, "ibm,dynamic-memory", int_buf
, buf_len
);
533 * Adds ibm,dynamic-reconfiguration-memory node.
534 * Refer to docs/specs/ppc-spapr-hotplug.txt for the documentation
535 * of this device tree node.
537 static int spapr_dt_dynamic_reconfiguration_memory(SpaprMachineState
*spapr
,
540 MachineState
*machine
= MACHINE(spapr
);
542 uint64_t lmb_size
= SPAPR_MEMORY_BLOCK_SIZE
;
543 uint32_t prop_lmb_size
[] = {cpu_to_be32(lmb_size
>> 32),
544 cpu_to_be32(lmb_size
& 0xffffffff)};
545 MemoryDeviceInfoList
*dimms
= NULL
;
548 * Don't create the node if there is no device memory
550 if (machine
->ram_size
== machine
->maxram_size
) {
554 offset
= fdt_add_subnode(fdt
, 0, "ibm,dynamic-reconfiguration-memory");
556 ret
= fdt_setprop(fdt
, offset
, "ibm,lmb-size", prop_lmb_size
,
557 sizeof(prop_lmb_size
));
562 ret
= fdt_setprop_cell(fdt
, offset
, "ibm,memory-flags-mask", 0xff);
567 ret
= fdt_setprop_cell(fdt
, offset
, "ibm,memory-preservation-time", 0x0);
572 /* ibm,dynamic-memory or ibm,dynamic-memory-v2 */
573 dimms
= qmp_memory_device_list();
574 if (spapr_ovec_test(spapr
->ov5_cas
, OV5_DRMEM_V2
)) {
575 ret
= spapr_dt_dynamic_memory_v2(spapr
, fdt
, offset
, dimms
);
577 ret
= spapr_dt_dynamic_memory(spapr
, fdt
, offset
, dimms
);
579 qapi_free_MemoryDeviceInfoList(dimms
);
585 ret
= spapr_numa_write_assoc_lookup_arrays(spapr
, fdt
, offset
);
590 static int spapr_dt_memory(SpaprMachineState
*spapr
, void *fdt
)
592 MachineState
*machine
= MACHINE(spapr
);
593 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
594 hwaddr mem_start
, node_size
;
595 int i
, nb_nodes
= machine
->numa_state
->num_nodes
;
596 NodeInfo
*nodes
= machine
->numa_state
->nodes
;
598 for (i
= 0, mem_start
= 0; i
< nb_nodes
; ++i
) {
599 if (!nodes
[i
].node_mem
) {
602 if (mem_start
>= machine
->ram_size
) {
605 node_size
= nodes
[i
].node_mem
;
606 if (node_size
> machine
->ram_size
- mem_start
) {
607 node_size
= machine
->ram_size
- mem_start
;
611 /* spapr_machine_init() checks for rma_size <= node0_size
613 spapr_dt_memory_node(spapr
, fdt
, i
, 0, spapr
->rma_size
);
614 mem_start
+= spapr
->rma_size
;
615 node_size
-= spapr
->rma_size
;
617 for ( ; node_size
; ) {
618 hwaddr sizetmp
= pow2floor(node_size
);
620 /* mem_start != 0 here */
621 if (ctzl(mem_start
) < ctzl(sizetmp
)) {
622 sizetmp
= 1ULL << ctzl(mem_start
);
625 spapr_dt_memory_node(spapr
, fdt
, i
, mem_start
, sizetmp
);
626 node_size
-= sizetmp
;
627 mem_start
+= sizetmp
;
631 /* Generate ibm,dynamic-reconfiguration-memory node if required */
632 if (spapr_ovec_test(spapr
->ov5_cas
, OV5_DRCONF_MEMORY
)) {
635 g_assert(smc
->dr_lmb_enabled
);
636 ret
= spapr_dt_dynamic_reconfiguration_memory(spapr
, fdt
);
645 static void spapr_dt_cpu(CPUState
*cs
, void *fdt
, int offset
,
646 SpaprMachineState
*spapr
)
648 MachineState
*ms
= MACHINE(spapr
);
649 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
650 CPUPPCState
*env
= &cpu
->env
;
651 PowerPCCPUClass
*pcc
= POWERPC_CPU_GET_CLASS(cs
);
652 int index
= spapr_get_vcpu_id(cpu
);
653 uint32_t segs
[] = {cpu_to_be32(28), cpu_to_be32(40),
654 0xffffffff, 0xffffffff};
655 uint32_t tbfreq
= kvm_enabled() ? kvmppc_get_tbfreq()
656 : SPAPR_TIMEBASE_FREQ
;
657 uint32_t cpufreq
= kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
658 uint32_t page_sizes_prop
[64];
659 size_t page_sizes_prop_size
;
660 unsigned int smp_threads
= ms
->smp
.threads
;
661 uint32_t vcpus_per_socket
= smp_threads
* ms
->smp
.cores
;
662 uint32_t pft_size_prop
[] = {0, cpu_to_be32(spapr
->htab_shift
)};
663 int compat_smt
= MIN(smp_threads
, ppc_compat_max_vthreads(cpu
));
666 uint32_t radix_AP_encodings
[PPC_PAGE_SIZES_MAX_SZ
];
669 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_CPU
, index
);
671 drc_index
= spapr_drc_index(drc
);
672 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,my-drc-index", drc_index
)));
675 _FDT((fdt_setprop_cell(fdt
, offset
, "reg", index
)));
676 _FDT((fdt_setprop_string(fdt
, offset
, "device_type", "cpu")));
678 _FDT((fdt_setprop_cell(fdt
, offset
, "cpu-version", env
->spr
[SPR_PVR
])));
679 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-block-size",
680 env
->dcache_line_size
)));
681 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-line-size",
682 env
->dcache_line_size
)));
683 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-block-size",
684 env
->icache_line_size
)));
685 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-line-size",
686 env
->icache_line_size
)));
688 if (pcc
->l1_dcache_size
) {
689 _FDT((fdt_setprop_cell(fdt
, offset
, "d-cache-size",
690 pcc
->l1_dcache_size
)));
692 warn_report("Unknown L1 dcache size for cpu");
694 if (pcc
->l1_icache_size
) {
695 _FDT((fdt_setprop_cell(fdt
, offset
, "i-cache-size",
696 pcc
->l1_icache_size
)));
698 warn_report("Unknown L1 icache size for cpu");
701 _FDT((fdt_setprop_cell(fdt
, offset
, "timebase-frequency", tbfreq
)));
702 _FDT((fdt_setprop_cell(fdt
, offset
, "clock-frequency", cpufreq
)));
703 _FDT((fdt_setprop_cell(fdt
, offset
, "slb-size", cpu
->hash64_opts
->slb_size
)));
704 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,slb-size", cpu
->hash64_opts
->slb_size
)));
705 _FDT((fdt_setprop_string(fdt
, offset
, "status", "okay")));
706 _FDT((fdt_setprop(fdt
, offset
, "64-bit", NULL
, 0)));
708 if (ppc_has_spr(cpu
, SPR_PURR
)) {
709 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,purr", 1)));
711 if (ppc_has_spr(cpu
, SPR_PURR
)) {
712 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,spurr", 1)));
715 if (ppc_hash64_has(cpu
, PPC_HASH64_1TSEG
)) {
716 _FDT((fdt_setprop(fdt
, offset
, "ibm,processor-segment-sizes",
717 segs
, sizeof(segs
))));
720 /* Advertise VSX (vector extensions) if available
721 * 1 == VMX / Altivec available
724 * Only CPUs for which we create core types in spapr_cpu_core.c
725 * are possible, and all of those have VMX */
726 if (env
->insns_flags
& PPC_ALTIVEC
) {
727 if (spapr_get_cap(spapr
, SPAPR_CAP_VSX
) != 0) {
728 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,vmx", 2)));
730 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,vmx", 1)));
734 /* Advertise DFP (Decimal Floating Point) if available
735 * 0 / no property == no DFP
736 * 1 == DFP available */
737 if (spapr_get_cap(spapr
, SPAPR_CAP_DFP
) != 0) {
738 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,dfp", 1)));
741 page_sizes_prop_size
= ppc_create_page_sizes_prop(cpu
, page_sizes_prop
,
742 sizeof(page_sizes_prop
));
743 if (page_sizes_prop_size
) {
744 _FDT((fdt_setprop(fdt
, offset
, "ibm,segment-page-sizes",
745 page_sizes_prop
, page_sizes_prop_size
)));
748 spapr_dt_pa_features(spapr
, cpu
, fdt
, offset
);
750 _FDT((fdt_setprop_cell(fdt
, offset
, "ibm,chip-id",
751 cs
->cpu_index
/ vcpus_per_socket
)));
753 _FDT((fdt_setprop(fdt
, offset
, "ibm,pft-size",
754 pft_size_prop
, sizeof(pft_size_prop
))));
756 if (ms
->numa_state
->num_nodes
> 1) {
757 _FDT(spapr_numa_fixup_cpu_dt(spapr
, fdt
, offset
, cpu
));
760 _FDT(spapr_fixup_cpu_smt_dt(fdt
, offset
, cpu
, compat_smt
));
762 if (pcc
->radix_page_info
) {
763 for (i
= 0; i
< pcc
->radix_page_info
->count
; i
++) {
764 radix_AP_encodings
[i
] =
765 cpu_to_be32(pcc
->radix_page_info
->entries
[i
]);
767 _FDT((fdt_setprop(fdt
, offset
, "ibm,processor-radix-AP-encodings",
769 pcc
->radix_page_info
->count
*
770 sizeof(radix_AP_encodings
[0]))));
774 * We set this property to let the guest know that it can use the large
775 * decrementer and its width in bits.
777 if (spapr_get_cap(spapr
, SPAPR_CAP_LARGE_DECREMENTER
) != SPAPR_CAP_OFF
)
778 _FDT((fdt_setprop_u32(fdt
, offset
, "ibm,dec-bits",
779 pcc
->lrg_decr_bits
)));
782 static void spapr_dt_cpus(void *fdt
, SpaprMachineState
*spapr
)
790 cpus_offset
= fdt_add_subnode(fdt
, 0, "cpus");
792 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#address-cells", 0x1)));
793 _FDT((fdt_setprop_cell(fdt
, cpus_offset
, "#size-cells", 0x0)));
796 * We walk the CPUs in reverse order to ensure that CPU DT nodes
797 * created by fdt_add_subnode() end up in the right order in FDT
798 * for the guest kernel the enumerate the CPUs correctly.
800 * The CPU list cannot be traversed in reverse order, so we need
806 rev
= g_renew(CPUState
*, rev
, n_cpus
+ 1);
810 for (i
= n_cpus
- 1; i
>= 0; i
--) {
811 CPUState
*cs
= rev
[i
];
812 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
813 int index
= spapr_get_vcpu_id(cpu
);
814 DeviceClass
*dc
= DEVICE_GET_CLASS(cs
);
815 g_autofree
char *nodename
= NULL
;
818 if (!spapr_is_thread0_in_vcore(spapr
, cpu
)) {
822 nodename
= g_strdup_printf("%s@%x", dc
->fw_name
, index
);
823 offset
= fdt_add_subnode(fdt
, cpus_offset
, nodename
);
825 spapr_dt_cpu(cs
, fdt
, offset
, spapr
);
831 static int spapr_dt_rng(void *fdt
)
836 node
= qemu_fdt_add_subnode(fdt
, "/ibm,platform-facilities");
840 ret
= fdt_setprop_string(fdt
, node
, "device_type",
841 "ibm,platform-facilities");
842 ret
|= fdt_setprop_cell(fdt
, node
, "#address-cells", 0x1);
843 ret
|= fdt_setprop_cell(fdt
, node
, "#size-cells", 0x0);
845 node
= fdt_add_subnode(fdt
, node
, "ibm,random-v1");
849 ret
|= fdt_setprop_string(fdt
, node
, "compatible", "ibm,random");
854 static void spapr_dt_rtas(SpaprMachineState
*spapr
, void *fdt
)
856 MachineState
*ms
= MACHINE(spapr
);
858 GString
*hypertas
= g_string_sized_new(256);
859 GString
*qemu_hypertas
= g_string_sized_new(256);
860 uint64_t max_device_addr
= MACHINE(spapr
)->device_memory
->base
+
861 memory_region_size(&MACHINE(spapr
)->device_memory
->mr
);
862 uint32_t lrdr_capacity
[] = {
863 cpu_to_be32(max_device_addr
>> 32),
864 cpu_to_be32(max_device_addr
& 0xffffffff),
865 cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE
>> 32),
866 cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE
& 0xffffffff),
867 cpu_to_be32(ms
->smp
.max_cpus
/ ms
->smp
.threads
),
870 _FDT(rtas
= fdt_add_subnode(fdt
, 0, "rtas"));
873 add_str(hypertas
, "hcall-pft");
874 add_str(hypertas
, "hcall-term");
875 add_str(hypertas
, "hcall-dabr");
876 add_str(hypertas
, "hcall-interrupt");
877 add_str(hypertas
, "hcall-tce");
878 add_str(hypertas
, "hcall-vio");
879 add_str(hypertas
, "hcall-splpar");
880 add_str(hypertas
, "hcall-join");
881 add_str(hypertas
, "hcall-bulk");
882 add_str(hypertas
, "hcall-set-mode");
883 add_str(hypertas
, "hcall-sprg0");
884 add_str(hypertas
, "hcall-copy");
885 add_str(hypertas
, "hcall-debug");
886 add_str(hypertas
, "hcall-vphn");
887 if (spapr_get_cap(spapr
, SPAPR_CAP_RPT_INVALIDATE
) == SPAPR_CAP_ON
) {
888 add_str(hypertas
, "hcall-rpt-invalidate");
891 add_str(qemu_hypertas
, "hcall-memop1");
893 if (!kvm_enabled() || kvmppc_spapr_use_multitce()) {
894 add_str(hypertas
, "hcall-multi-tce");
897 if (spapr
->resize_hpt
!= SPAPR_RESIZE_HPT_DISABLED
) {
898 add_str(hypertas
, "hcall-hpt-resize");
901 _FDT(fdt_setprop(fdt
, rtas
, "ibm,hypertas-functions",
902 hypertas
->str
, hypertas
->len
));
903 g_string_free(hypertas
, TRUE
);
904 _FDT(fdt_setprop(fdt
, rtas
, "qemu,hypertas-functions",
905 qemu_hypertas
->str
, qemu_hypertas
->len
));
906 g_string_free(qemu_hypertas
, TRUE
);
908 spapr_numa_write_rtas_dt(spapr
, fdt
, rtas
);
911 * FWNMI reserves RTAS_ERROR_LOG_MAX for the machine check error log,
912 * and 16 bytes per CPU for system reset error log plus an extra 8 bytes.
914 * The system reset requirements are driven by existing Linux and PowerVM
915 * implementation which (contrary to PAPR) saves r3 in the error log
916 * structure like machine check, so Linux expects to find the saved r3
917 * value at the address in r3 upon FWNMI-enabled sreset interrupt (and
918 * does not look at the error value).
920 * System reset interrupts are not subject to interlock like machine
921 * check, so this memory area could be corrupted if the sreset is
922 * interrupted by a machine check (or vice versa) if it was shared. To
923 * prevent this, system reset uses per-CPU areas for the sreset save
924 * area. A system reset that interrupts a system reset handler could
925 * still overwrite this area, but Linux doesn't try to recover in that
928 * The extra 8 bytes is required because Linux's FWNMI error log check
931 * RTAS_MIN_SIZE is required for the RTAS blob itself.
933 _FDT(fdt_setprop_cell(fdt
, rtas
, "rtas-size", RTAS_MIN_SIZE
+
935 ms
->smp
.max_cpus
* sizeof(uint64_t) * 2 +
937 _FDT(fdt_setprop_cell(fdt
, rtas
, "rtas-error-log-max",
938 RTAS_ERROR_LOG_MAX
));
939 _FDT(fdt_setprop_cell(fdt
, rtas
, "rtas-event-scan-rate",
940 RTAS_EVENT_SCAN_RATE
));
942 g_assert(msi_nonbroken
);
943 _FDT(fdt_setprop(fdt
, rtas
, "ibm,change-msix-capable", NULL
, 0));
946 * According to PAPR, rtas ibm,os-term does not guarantee a return
947 * back to the guest cpu.
949 * While an additional ibm,extended-os-term property indicates
950 * that rtas call return will always occur. Set this property.
952 _FDT(fdt_setprop(fdt
, rtas
, "ibm,extended-os-term", NULL
, 0));
954 _FDT(fdt_setprop(fdt
, rtas
, "ibm,lrdr-capacity",
955 lrdr_capacity
, sizeof(lrdr_capacity
)));
957 spapr_dt_rtas_tokens(fdt
, rtas
);
961 * Prepare ibm,arch-vec-5-platform-support, which indicates the MMU
962 * and the XIVE features that the guest may request and thus the valid
963 * values for bytes 23..26 of option vector 5:
965 static void spapr_dt_ov5_platform_support(SpaprMachineState
*spapr
, void *fdt
,
968 PowerPCCPU
*first_ppc_cpu
= POWERPC_CPU(first_cpu
);
971 23, 0x00, /* XICS / XIVE mode */
972 24, 0x00, /* Hash/Radix, filled in below. */
973 25, 0x00, /* Hash options: Segment Tables == no, GTSE == no. */
974 26, 0x40, /* Radix options: GTSE == yes. */
977 if (spapr
->irq
->xics
&& spapr
->irq
->xive
) {
978 val
[1] = SPAPR_OV5_XIVE_BOTH
;
979 } else if (spapr
->irq
->xive
) {
980 val
[1] = SPAPR_OV5_XIVE_EXPLOIT
;
982 assert(spapr
->irq
->xics
);
983 val
[1] = SPAPR_OV5_XIVE_LEGACY
;
986 if (!ppc_check_compat(first_ppc_cpu
, CPU_POWERPC_LOGICAL_3_00
, 0,
987 first_ppc_cpu
->compat_pvr
)) {
989 * If we're in a pre POWER9 compat mode then the guest should
990 * do hash and use the legacy interrupt mode
992 val
[1] = SPAPR_OV5_XIVE_LEGACY
; /* XICS */
993 val
[3] = 0x00; /* Hash */
994 spapr_check_mmu_mode(false);
995 } else if (kvm_enabled()) {
996 if (kvmppc_has_cap_mmu_radix() && kvmppc_has_cap_mmu_hash_v3()) {
997 val
[3] = 0x80; /* OV5_MMU_BOTH */
998 } else if (kvmppc_has_cap_mmu_radix()) {
999 val
[3] = 0x40; /* OV5_MMU_RADIX_300 */
1001 val
[3] = 0x00; /* Hash */
1004 /* V3 MMU supports both hash and radix in tcg (with dynamic switching) */
1007 _FDT(fdt_setprop(fdt
, chosen
, "ibm,arch-vec-5-platform-support",
1011 static void spapr_dt_chosen(SpaprMachineState
*spapr
, void *fdt
, bool reset
)
1013 MachineState
*machine
= MACHINE(spapr
);
1014 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(machine
);
1017 _FDT(chosen
= fdt_add_subnode(fdt
, 0, "chosen"));
1020 const char *boot_device
= spapr
->boot_device
;
1021 char *stdout_path
= spapr_vio_stdout_path(spapr
->vio_bus
);
1023 char *bootlist
= get_boot_devices_list(&cb
);
1025 if (machine
->kernel_cmdline
&& machine
->kernel_cmdline
[0]) {
1026 _FDT(fdt_setprop_string(fdt
, chosen
, "bootargs",
1027 machine
->kernel_cmdline
));
1030 if (spapr
->initrd_size
) {
1031 _FDT(fdt_setprop_cell(fdt
, chosen
, "linux,initrd-start",
1032 spapr
->initrd_base
));
1033 _FDT(fdt_setprop_cell(fdt
, chosen
, "linux,initrd-end",
1034 spapr
->initrd_base
+ spapr
->initrd_size
));
1037 if (spapr
->kernel_size
) {
1038 uint64_t kprop
[2] = { cpu_to_be64(spapr
->kernel_addr
),
1039 cpu_to_be64(spapr
->kernel_size
) };
1041 _FDT(fdt_setprop(fdt
, chosen
, "qemu,boot-kernel",
1042 &kprop
, sizeof(kprop
)));
1043 if (spapr
->kernel_le
) {
1044 _FDT(fdt_setprop(fdt
, chosen
, "qemu,boot-kernel-le", NULL
, 0));
1048 _FDT((fdt_setprop_cell(fdt
, chosen
, "qemu,boot-menu", boot_menu
)));
1050 _FDT(fdt_setprop_cell(fdt
, chosen
, "qemu,graphic-width", graphic_width
));
1051 _FDT(fdt_setprop_cell(fdt
, chosen
, "qemu,graphic-height", graphic_height
));
1052 _FDT(fdt_setprop_cell(fdt
, chosen
, "qemu,graphic-depth", graphic_depth
));
1054 if (cb
&& bootlist
) {
1057 for (i
= 0; i
< cb
; i
++) {
1058 if (bootlist
[i
] == '\n') {
1062 _FDT(fdt_setprop_string(fdt
, chosen
, "qemu,boot-list", bootlist
));
1065 if (boot_device
&& strlen(boot_device
)) {
1066 _FDT(fdt_setprop_string(fdt
, chosen
, "qemu,boot-device", boot_device
));
1069 if (!spapr
->has_graphics
&& stdout_path
) {
1071 * "linux,stdout-path" and "stdout" properties are
1072 * deprecated by linux kernel. New platforms should only
1073 * use the "stdout-path" property. Set the new property
1074 * and continue using older property to remain compatible
1075 * with the existing firmware.
1077 _FDT(fdt_setprop_string(fdt
, chosen
, "linux,stdout-path", stdout_path
));
1078 _FDT(fdt_setprop_string(fdt
, chosen
, "stdout-path", stdout_path
));
1082 * We can deal with BAR reallocation just fine, advertise it
1085 if (smc
->linux_pci_probe
) {
1086 _FDT(fdt_setprop_cell(fdt
, chosen
, "linux,pci-probe-only", 0));
1089 spapr_dt_ov5_platform_support(spapr
, fdt
, chosen
);
1091 g_free(stdout_path
);
1095 _FDT(spapr_dt_ovec(fdt
, chosen
, spapr
->ov5_cas
, "ibm,architecture-vec-5"));
1098 static void spapr_dt_hypervisor(SpaprMachineState
*spapr
, void *fdt
)
1100 /* The /hypervisor node isn't in PAPR - this is a hack to allow PR
1101 * KVM to work under pHyp with some guest co-operation */
1103 uint8_t hypercall
[16];
1105 _FDT(hypervisor
= fdt_add_subnode(fdt
, 0, "hypervisor"));
1106 /* indicate KVM hypercall interface */
1107 _FDT(fdt_setprop_string(fdt
, hypervisor
, "compatible", "linux,kvm"));
1108 if (kvmppc_has_cap_fixup_hcalls()) {
1110 * Older KVM versions with older guest kernels were broken
1111 * with the magic page, don't allow the guest to map it.
1113 if (!kvmppc_get_hypercall(first_cpu
->env_ptr
, hypercall
,
1114 sizeof(hypercall
))) {
1115 _FDT(fdt_setprop(fdt
, hypervisor
, "hcall-instructions",
1116 hypercall
, sizeof(hypercall
)));
1121 void *spapr_build_fdt(SpaprMachineState
*spapr
, bool reset
, size_t space
)
1123 MachineState
*machine
= MACHINE(spapr
);
1124 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
1125 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(machine
);
1126 uint32_t root_drc_type_mask
= 0;
1132 fdt
= g_malloc0(space
);
1133 _FDT((fdt_create_empty_tree(fdt
, space
)));
1136 _FDT(fdt_setprop_string(fdt
, 0, "device_type", "chrp"));
1137 _FDT(fdt_setprop_string(fdt
, 0, "model", "IBM pSeries (emulated by qemu)"));
1138 _FDT(fdt_setprop_string(fdt
, 0, "compatible", "qemu,pseries"));
1140 /* Guest UUID & Name*/
1141 buf
= qemu_uuid_unparse_strdup(&qemu_uuid
);
1142 _FDT(fdt_setprop_string(fdt
, 0, "vm,uuid", buf
));
1143 if (qemu_uuid_set
) {
1144 _FDT(fdt_setprop_string(fdt
, 0, "system-id", buf
));
1148 if (qemu_get_vm_name()) {
1149 _FDT(fdt_setprop_string(fdt
, 0, "ibm,partition-name",
1150 qemu_get_vm_name()));
1153 /* Host Model & Serial Number */
1154 if (spapr
->host_model
) {
1155 _FDT(fdt_setprop_string(fdt
, 0, "host-model", spapr
->host_model
));
1156 } else if (smc
->broken_host_serial_model
&& kvmppc_get_host_model(&buf
)) {
1157 _FDT(fdt_setprop_string(fdt
, 0, "host-model", buf
));
1161 if (spapr
->host_serial
) {
1162 _FDT(fdt_setprop_string(fdt
, 0, "host-serial", spapr
->host_serial
));
1163 } else if (smc
->broken_host_serial_model
&& kvmppc_get_host_serial(&buf
)) {
1164 _FDT(fdt_setprop_string(fdt
, 0, "host-serial", buf
));
1168 _FDT(fdt_setprop_cell(fdt
, 0, "#address-cells", 2));
1169 _FDT(fdt_setprop_cell(fdt
, 0, "#size-cells", 2));
1171 /* /interrupt controller */
1172 spapr_irq_dt(spapr
, spapr_max_server_number(spapr
), fdt
, PHANDLE_INTC
);
1174 ret
= spapr_dt_memory(spapr
, fdt
);
1176 error_report("couldn't setup memory nodes in fdt");
1181 spapr_dt_vdevice(spapr
->vio_bus
, fdt
);
1183 if (object_resolve_path_type("", TYPE_SPAPR_RNG
, NULL
)) {
1184 ret
= spapr_dt_rng(fdt
);
1186 error_report("could not set up rng device in the fdt");
1191 QLIST_FOREACH(phb
, &spapr
->phbs
, list
) {
1192 ret
= spapr_dt_phb(spapr
, phb
, PHANDLE_INTC
, fdt
, NULL
);
1194 error_report("couldn't setup PCI devices in fdt");
1199 spapr_dt_cpus(fdt
, spapr
);
1201 /* ibm,drc-indexes and friends */
1202 if (smc
->dr_lmb_enabled
) {
1203 root_drc_type_mask
|= SPAPR_DR_CONNECTOR_TYPE_LMB
;
1205 if (smc
->dr_phb_enabled
) {
1206 root_drc_type_mask
|= SPAPR_DR_CONNECTOR_TYPE_PHB
;
1208 if (mc
->nvdimm_supported
) {
1209 root_drc_type_mask
|= SPAPR_DR_CONNECTOR_TYPE_PMEM
;
1211 if (root_drc_type_mask
) {
1212 _FDT(spapr_dt_drc(fdt
, 0, NULL
, root_drc_type_mask
));
1215 if (mc
->has_hotpluggable_cpus
) {
1216 int offset
= fdt_path_offset(fdt
, "/cpus");
1217 ret
= spapr_dt_drc(fdt
, offset
, NULL
, SPAPR_DR_CONNECTOR_TYPE_CPU
);
1219 error_report("Couldn't set up CPU DR device tree properties");
1224 /* /event-sources */
1225 spapr_dt_events(spapr
, fdt
);
1228 spapr_dt_rtas(spapr
, fdt
);
1231 spapr_dt_chosen(spapr
, fdt
, reset
);
1234 if (kvm_enabled()) {
1235 spapr_dt_hypervisor(spapr
, fdt
);
1238 /* Build memory reserve map */
1240 if (spapr
->kernel_size
) {
1241 _FDT((fdt_add_mem_rsv(fdt
, spapr
->kernel_addr
,
1242 spapr
->kernel_size
)));
1244 if (spapr
->initrd_size
) {
1245 _FDT((fdt_add_mem_rsv(fdt
, spapr
->initrd_base
,
1246 spapr
->initrd_size
)));
1250 /* NVDIMM devices */
1251 if (mc
->nvdimm_supported
) {
1252 spapr_dt_persistent_memory(spapr
, fdt
);
1258 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
1260 SpaprMachineState
*spapr
= opaque
;
1262 return (addr
& 0x0fffffff) + spapr
->kernel_addr
;
1265 static void emulate_spapr_hypercall(PPCVirtualHypervisor
*vhyp
,
1268 CPUPPCState
*env
= &cpu
->env
;
1270 /* The TCG path should also be holding the BQL at this point */
1271 g_assert(qemu_mutex_iothread_locked());
1273 g_assert(!vhyp_cpu_in_nested(cpu
));
1276 hcall_dprintf("Hypercall made with MSR[PR]=1\n");
1277 env
->gpr
[3] = H_PRIVILEGE
;
1279 env
->gpr
[3] = spapr_hypercall(cpu
, env
->gpr
[3], &env
->gpr
[4]);
1283 struct LPCRSyncState
{
1288 static void do_lpcr_sync(CPUState
*cs
, run_on_cpu_data arg
)
1290 struct LPCRSyncState
*s
= arg
.host_ptr
;
1291 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
1292 CPUPPCState
*env
= &cpu
->env
;
1295 cpu_synchronize_state(cs
);
1296 lpcr
= env
->spr
[SPR_LPCR
];
1299 ppc_store_lpcr(cpu
, lpcr
);
1302 void spapr_set_all_lpcrs(target_ulong value
, target_ulong mask
)
1305 struct LPCRSyncState s
= {
1310 run_on_cpu(cs
, do_lpcr_sync
, RUN_ON_CPU_HOST_PTR(&s
));
1314 static bool spapr_get_pate(PPCVirtualHypervisor
*vhyp
, PowerPCCPU
*cpu
,
1315 target_ulong lpid
, ppc_v3_pate_t
*entry
)
1317 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1318 SpaprCpuState
*spapr_cpu
= spapr_cpu_state(cpu
);
1320 if (!spapr_cpu
->in_nested
) {
1323 /* Copy PATE1:GR into PATE0:HR */
1324 entry
->dw0
= spapr
->patb_entry
& PATE0_HR
;
1325 entry
->dw1
= spapr
->patb_entry
;
1328 uint64_t patb
, pats
;
1332 patb
= spapr
->nested_ptcr
& PTCR_PATB
;
1333 pats
= spapr
->nested_ptcr
& PTCR_PATS
;
1335 /* Calculate number of entries */
1336 pats
= 1ull << (pats
+ 12 - 4);
1343 entry
->dw0
= ldq_phys(CPU(cpu
)->as
, patb
);
1344 entry
->dw1
= ldq_phys(CPU(cpu
)->as
, patb
+ 8);
1350 #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2))
1351 #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID)
1352 #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY)
1353 #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY))
1354 #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY))
1357 * Get the fd to access the kernel htab, re-opening it if necessary
1359 static int get_htab_fd(SpaprMachineState
*spapr
)
1361 Error
*local_err
= NULL
;
1363 if (spapr
->htab_fd
>= 0) {
1364 return spapr
->htab_fd
;
1367 spapr
->htab_fd
= kvmppc_get_htab_fd(false, 0, &local_err
);
1368 if (spapr
->htab_fd
< 0) {
1369 error_report_err(local_err
);
1372 return spapr
->htab_fd
;
1375 void close_htab_fd(SpaprMachineState
*spapr
)
1377 if (spapr
->htab_fd
>= 0) {
1378 close(spapr
->htab_fd
);
1380 spapr
->htab_fd
= -1;
1383 static hwaddr
spapr_hpt_mask(PPCVirtualHypervisor
*vhyp
)
1385 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1387 return HTAB_SIZE(spapr
) / HASH_PTEG_SIZE_64
- 1;
1390 static target_ulong
spapr_encode_hpt_for_kvm_pr(PPCVirtualHypervisor
*vhyp
)
1392 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1394 assert(kvm_enabled());
1400 return (target_ulong
)(uintptr_t)spapr
->htab
| (spapr
->htab_shift
- 18);
1403 static const ppc_hash_pte64_t
*spapr_map_hptes(PPCVirtualHypervisor
*vhyp
,
1406 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1407 hwaddr pte_offset
= ptex
* HASH_PTE_SIZE_64
;
1411 * HTAB is controlled by KVM. Fetch into temporary buffer
1413 ppc_hash_pte64_t
*hptes
= g_malloc(n
* HASH_PTE_SIZE_64
);
1414 kvmppc_read_hptes(hptes
, ptex
, n
);
1419 * HTAB is controlled by QEMU. Just point to the internally
1422 return (const ppc_hash_pte64_t
*)(spapr
->htab
+ pte_offset
);
1425 static void spapr_unmap_hptes(PPCVirtualHypervisor
*vhyp
,
1426 const ppc_hash_pte64_t
*hptes
,
1429 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1432 g_free((void *)hptes
);
1435 /* Nothing to do for qemu managed HPT */
1438 void spapr_store_hpte(PowerPCCPU
*cpu
, hwaddr ptex
,
1439 uint64_t pte0
, uint64_t pte1
)
1441 SpaprMachineState
*spapr
= SPAPR_MACHINE(cpu
->vhyp
);
1442 hwaddr offset
= ptex
* HASH_PTE_SIZE_64
;
1445 kvmppc_write_hpte(ptex
, pte0
, pte1
);
1447 if (pte0
& HPTE64_V_VALID
) {
1448 stq_p(spapr
->htab
+ offset
+ HPTE64_DW1
, pte1
);
1450 * When setting valid, we write PTE1 first. This ensures
1451 * proper synchronization with the reading code in
1452 * ppc_hash64_pteg_search()
1455 stq_p(spapr
->htab
+ offset
, pte0
);
1457 stq_p(spapr
->htab
+ offset
, pte0
);
1459 * When clearing it we set PTE0 first. This ensures proper
1460 * synchronization with the reading code in
1461 * ppc_hash64_pteg_search()
1464 stq_p(spapr
->htab
+ offset
+ HPTE64_DW1
, pte1
);
1469 static void spapr_hpte_set_c(PPCVirtualHypervisor
*vhyp
, hwaddr ptex
,
1472 hwaddr offset
= ptex
* HASH_PTE_SIZE_64
+ HPTE64_DW1_C
;
1473 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1476 /* There should always be a hash table when this is called */
1477 error_report("spapr_hpte_set_c called with no hash table !");
1481 /* The HW performs a non-atomic byte update */
1482 stb_p(spapr
->htab
+ offset
, (pte1
& 0xff) | 0x80);
1485 static void spapr_hpte_set_r(PPCVirtualHypervisor
*vhyp
, hwaddr ptex
,
1488 hwaddr offset
= ptex
* HASH_PTE_SIZE_64
+ HPTE64_DW1_R
;
1489 SpaprMachineState
*spapr
= SPAPR_MACHINE(vhyp
);
1492 /* There should always be a hash table when this is called */
1493 error_report("spapr_hpte_set_r called with no hash table !");
1497 /* The HW performs a non-atomic byte update */
1498 stb_p(spapr
->htab
+ offset
, ((pte1
>> 8) & 0xff) | 0x01);
1501 int spapr_hpt_shift_for_ramsize(uint64_t ramsize
)
1505 /* We aim for a hash table of size 1/128 the size of RAM (rounded
1506 * up). The PAPR recommendation is actually 1/64 of RAM size, but
1507 * that's much more than is needed for Linux guests */
1508 shift
= ctz64(pow2ceil(ramsize
)) - 7;
1509 shift
= MAX(shift
, 18); /* Minimum architected size */
1510 shift
= MIN(shift
, 46); /* Maximum architected size */
1514 void spapr_free_hpt(SpaprMachineState
*spapr
)
1516 g_free(spapr
->htab
);
1518 spapr
->htab_shift
= 0;
1519 close_htab_fd(spapr
);
1522 int spapr_reallocate_hpt(SpaprMachineState
*spapr
, int shift
, Error
**errp
)
1527 /* Clean up any HPT info from a previous boot */
1528 spapr_free_hpt(spapr
);
1530 rc
= kvmppc_reset_htab(shift
);
1532 if (rc
== -EOPNOTSUPP
) {
1533 error_setg(errp
, "HPT not supported in nested guests");
1538 /* kernel-side HPT needed, but couldn't allocate one */
1539 error_setg_errno(errp
, errno
, "Failed to allocate KVM HPT of order %d",
1541 error_append_hint(errp
, "Try smaller maxmem?\n");
1543 } else if (rc
> 0) {
1544 /* kernel-side HPT allocated */
1547 "Requested order %d HPT, but kernel allocated order %ld",
1549 error_append_hint(errp
, "Try smaller maxmem?\n");
1553 spapr
->htab_shift
= shift
;
1556 /* kernel-side HPT not needed, allocate in userspace instead */
1557 size_t size
= 1ULL << shift
;
1560 spapr
->htab
= qemu_memalign(size
, size
);
1561 memset(spapr
->htab
, 0, size
);
1562 spapr
->htab_shift
= shift
;
1564 for (i
= 0; i
< size
/ HASH_PTE_SIZE_64
; i
++) {
1565 DIRTY_HPTE(HPTE(spapr
->htab
, i
));
1568 /* We're setting up a hash table, so that means we're not radix */
1569 spapr
->patb_entry
= 0;
1570 spapr_set_all_lpcrs(0, LPCR_HR
| LPCR_UPRT
);
1574 void spapr_setup_hpt(SpaprMachineState
*spapr
)
1578 if (spapr
->resize_hpt
== SPAPR_RESIZE_HPT_DISABLED
) {
1579 hpt_shift
= spapr_hpt_shift_for_ramsize(MACHINE(spapr
)->maxram_size
);
1581 uint64_t current_ram_size
;
1583 current_ram_size
= MACHINE(spapr
)->ram_size
+ get_plugged_memory_size();
1584 hpt_shift
= spapr_hpt_shift_for_ramsize(current_ram_size
);
1586 spapr_reallocate_hpt(spapr
, hpt_shift
, &error_fatal
);
1588 if (kvm_enabled()) {
1589 hwaddr vrma_limit
= kvmppc_vrma_limit(spapr
->htab_shift
);
1591 /* Check our RMA fits in the possible VRMA */
1592 if (vrma_limit
< spapr
->rma_size
) {
1593 error_report("Unable to create %" HWADDR_PRIu
1594 "MiB RMA (VRMA only allows %" HWADDR_PRIu
"MiB",
1595 spapr
->rma_size
/ MiB
, vrma_limit
/ MiB
);
1601 void spapr_check_mmu_mode(bool guest_radix
)
1604 if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) {
1605 error_report("Guest requested unavailable MMU mode (radix).");
1609 if (kvm_enabled() && kvmppc_has_cap_mmu_radix()
1610 && !kvmppc_has_cap_mmu_hash_v3()) {
1611 error_report("Guest requested unavailable MMU mode (hash).");
1617 static void spapr_machine_reset(MachineState
*machine
)
1619 SpaprMachineState
*spapr
= SPAPR_MACHINE(machine
);
1620 PowerPCCPU
*first_ppc_cpu
;
1625 pef_kvm_reset(machine
->cgs
, &error_fatal
);
1626 spapr_caps_apply(spapr
);
1628 first_ppc_cpu
= POWERPC_CPU(first_cpu
);
1629 if (kvm_enabled() && kvmppc_has_cap_mmu_radix() &&
1630 ppc_type_check_compat(machine
->cpu_type
, CPU_POWERPC_LOGICAL_3_00
, 0,
1631 spapr
->max_compat_pvr
)) {
1633 * If using KVM with radix mode available, VCPUs can be started
1634 * without a HPT because KVM will start them in radix mode.
1635 * Set the GR bit in PATE so that we know there is no HPT.
1637 spapr
->patb_entry
= PATE1_GR
;
1638 spapr_set_all_lpcrs(LPCR_HR
| LPCR_UPRT
, LPCR_HR
| LPCR_UPRT
);
1640 spapr_setup_hpt(spapr
);
1643 qemu_devices_reset();
1645 spapr_ovec_cleanup(spapr
->ov5_cas
);
1646 spapr
->ov5_cas
= spapr_ovec_new();
1648 ppc_set_compat_all(spapr
->max_compat_pvr
, &error_fatal
);
1651 * This is fixing some of the default configuration of the XIVE
1652 * devices. To be called after the reset of the machine devices.
1654 spapr_irq_reset(spapr
, &error_fatal
);
1657 * There is no CAS under qtest. Simulate one to please the code that
1658 * depends on spapr->ov5_cas. This is especially needed to test device
1659 * unplug, so we do that before resetting the DRCs.
1661 if (qtest_enabled()) {
1662 spapr_ovec_cleanup(spapr
->ov5_cas
);
1663 spapr
->ov5_cas
= spapr_ovec_clone(spapr
->ov5
);
1666 spapr_nvdimm_finish_flushes();
1668 /* DRC reset may cause a device to be unplugged. This will cause troubles
1669 * if this device is used by another device (eg, a running vhost backend
1670 * will crash QEMU if the DIMM holding the vring goes away). To avoid such
1671 * situations, we reset DRCs after all devices have been reset.
1673 spapr_drc_reset_all(spapr
);
1675 spapr_clear_pending_events(spapr
);
1678 * We place the device tree just below either the top of the RMA,
1679 * or just below 2GB, whichever is lower, so that it can be
1680 * processed with 32-bit real mode code if necessary
1682 fdt_addr
= MIN(spapr
->rma_size
, FDT_MAX_ADDR
) - FDT_MAX_SIZE
;
1684 fdt
= spapr_build_fdt(spapr
, true, FDT_MAX_SIZE
);
1686 spapr_vof_reset(spapr
, fdt
, &error_fatal
);
1688 * Do not pack the FDT as the client may change properties.
1689 * VOF client does not expect the FDT so we do not load it to the VM.
1693 /* Should only fail if we've built a corrupted tree */
1696 spapr_cpu_set_entry_state(first_ppc_cpu
, SPAPR_ENTRY_POINT
,
1698 cpu_physical_memory_write(fdt_addr
, fdt
, fdt_totalsize(fdt
));
1700 qemu_fdt_dumpdtb(fdt
, fdt_totalsize(fdt
));
1702 g_free(spapr
->fdt_blob
);
1703 spapr
->fdt_size
= fdt_totalsize(fdt
);
1704 spapr
->fdt_initial_size
= spapr
->fdt_size
;
1705 spapr
->fdt_blob
= fdt
;
1707 /* Set up the entry state */
1708 first_ppc_cpu
->env
.gpr
[5] = 0;
1710 spapr
->fwnmi_system_reset_addr
= -1;
1711 spapr
->fwnmi_machine_check_addr
= -1;
1712 spapr
->fwnmi_machine_check_interlock
= -1;
1714 /* Signal all vCPUs waiting on this condition */
1715 qemu_cond_broadcast(&spapr
->fwnmi_machine_check_interlock_cond
);
1717 migrate_del_blocker(spapr
->fwnmi_migration_blocker
);
1720 static void spapr_create_nvram(SpaprMachineState
*spapr
)
1722 DeviceState
*dev
= qdev_new("spapr-nvram");
1723 DriveInfo
*dinfo
= drive_get(IF_PFLASH
, 0, 0);
1726 qdev_prop_set_drive_err(dev
, "drive", blk_by_legacy_dinfo(dinfo
),
1730 qdev_realize_and_unref(dev
, &spapr
->vio_bus
->bus
, &error_fatal
);
1732 spapr
->nvram
= (struct SpaprNvram
*)dev
;
1735 static void spapr_rtc_create(SpaprMachineState
*spapr
)
1737 object_initialize_child_with_props(OBJECT(spapr
), "rtc", &spapr
->rtc
,
1738 sizeof(spapr
->rtc
), TYPE_SPAPR_RTC
,
1739 &error_fatal
, NULL
);
1740 qdev_realize(DEVICE(&spapr
->rtc
), NULL
, &error_fatal
);
1741 object_property_add_alias(OBJECT(spapr
), "rtc-time", OBJECT(&spapr
->rtc
),
1745 /* Returns whether we want to use VGA or not */
1746 static bool spapr_vga_init(PCIBus
*pci_bus
, Error
**errp
)
1748 switch (vga_interface_type
) {
1756 return pci_vga_init(pci_bus
) != NULL
;
1759 "Unsupported VGA mode, only -vga std or -vga virtio is supported");
1764 static int spapr_pre_load(void *opaque
)
1768 rc
= spapr_caps_pre_load(opaque
);
1776 static int spapr_post_load(void *opaque
, int version_id
)
1778 SpaprMachineState
*spapr
= (SpaprMachineState
*)opaque
;
1781 err
= spapr_caps_post_migration(spapr
);
1787 * In earlier versions, there was no separate qdev for the PAPR
1788 * RTC, so the RTC offset was stored directly in sPAPREnvironment.
1789 * So when migrating from those versions, poke the incoming offset
1790 * value into the RTC device
1792 if (version_id
< 3) {
1793 err
= spapr_rtc_import_offset(&spapr
->rtc
, spapr
->rtc_offset
);
1799 if (kvm_enabled() && spapr
->patb_entry
) {
1800 PowerPCCPU
*cpu
= POWERPC_CPU(first_cpu
);
1801 bool radix
= !!(spapr
->patb_entry
& PATE1_GR
);
1802 bool gtse
= !!(cpu
->env
.spr
[SPR_LPCR
] & LPCR_GTSE
);
1805 * Update LPCR:HR and UPRT as they may not be set properly in
1808 spapr_set_all_lpcrs(radix
? (LPCR_HR
| LPCR_UPRT
) : 0,
1809 LPCR_HR
| LPCR_UPRT
);
1811 err
= kvmppc_configure_v3_mmu(cpu
, radix
, gtse
, spapr
->patb_entry
);
1813 error_report("Process table config unsupported by the host");
1818 err
= spapr_irq_post_load(spapr
, version_id
);
1826 static int spapr_pre_save(void *opaque
)
1830 rc
= spapr_caps_pre_save(opaque
);
1838 static bool version_before_3(void *opaque
, int version_id
)
1840 return version_id
< 3;
1843 static bool spapr_pending_events_needed(void *opaque
)
1845 SpaprMachineState
*spapr
= (SpaprMachineState
*)opaque
;
1846 return !QTAILQ_EMPTY(&spapr
->pending_events
);
1849 static const VMStateDescription vmstate_spapr_event_entry
= {
1850 .name
= "spapr_event_log_entry",
1852 .minimum_version_id
= 1,
1853 .fields
= (VMStateField
[]) {
1854 VMSTATE_UINT32(summary
, SpaprEventLogEntry
),
1855 VMSTATE_UINT32(extended_length
, SpaprEventLogEntry
),
1856 VMSTATE_VBUFFER_ALLOC_UINT32(extended_log
, SpaprEventLogEntry
, 0,
1857 NULL
, extended_length
),
1858 VMSTATE_END_OF_LIST()
1862 static const VMStateDescription vmstate_spapr_pending_events
= {
1863 .name
= "spapr_pending_events",
1865 .minimum_version_id
= 1,
1866 .needed
= spapr_pending_events_needed
,
1867 .fields
= (VMStateField
[]) {
1868 VMSTATE_QTAILQ_V(pending_events
, SpaprMachineState
, 1,
1869 vmstate_spapr_event_entry
, SpaprEventLogEntry
, next
),
1870 VMSTATE_END_OF_LIST()
1874 static bool spapr_ov5_cas_needed(void *opaque
)
1876 SpaprMachineState
*spapr
= opaque
;
1877 SpaprOptionVector
*ov5_mask
= spapr_ovec_new();
1880 /* Prior to the introduction of SpaprOptionVector, we had two option
1881 * vectors we dealt with: OV5_FORM1_AFFINITY, and OV5_DRCONF_MEMORY.
1882 * Both of these options encode machine topology into the device-tree
1883 * in such a way that the now-booted OS should still be able to interact
1884 * appropriately with QEMU regardless of what options were actually
1885 * negotiatied on the source side.
1887 * As such, we can avoid migrating the CAS-negotiated options if these
1888 * are the only options available on the current machine/platform.
1889 * Since these are the only options available for pseries-2.7 and
1890 * earlier, this allows us to maintain old->new/new->old migration
1893 * For QEMU 2.8+, there are additional CAS-negotiatable options available
1894 * via default pseries-2.8 machines and explicit command-line parameters.
1895 * Some of these options, like OV5_HP_EVT, *do* require QEMU to be aware
1896 * of the actual CAS-negotiated values to continue working properly. For
1897 * example, availability of memory unplug depends on knowing whether
1898 * OV5_HP_EVT was negotiated via CAS.
1900 * Thus, for any cases where the set of available CAS-negotiatable
1901 * options extends beyond OV5_FORM1_AFFINITY and OV5_DRCONF_MEMORY, we
1902 * include the CAS-negotiated options in the migration stream, unless
1903 * if they affect boot time behaviour only.
1905 spapr_ovec_set(ov5_mask
, OV5_FORM1_AFFINITY
);
1906 spapr_ovec_set(ov5_mask
, OV5_DRCONF_MEMORY
);
1907 spapr_ovec_set(ov5_mask
, OV5_DRMEM_V2
);
1909 /* We need extra information if we have any bits outside the mask
1911 cas_needed
= !spapr_ovec_subset(spapr
->ov5
, ov5_mask
);
1913 spapr_ovec_cleanup(ov5_mask
);
1918 static const VMStateDescription vmstate_spapr_ov5_cas
= {
1919 .name
= "spapr_option_vector_ov5_cas",
1921 .minimum_version_id
= 1,
1922 .needed
= spapr_ov5_cas_needed
,
1923 .fields
= (VMStateField
[]) {
1924 VMSTATE_STRUCT_POINTER_V(ov5_cas
, SpaprMachineState
, 1,
1925 vmstate_spapr_ovec
, SpaprOptionVector
),
1926 VMSTATE_END_OF_LIST()
1930 static bool spapr_patb_entry_needed(void *opaque
)
1932 SpaprMachineState
*spapr
= opaque
;
1934 return !!spapr
->patb_entry
;
1937 static const VMStateDescription vmstate_spapr_patb_entry
= {
1938 .name
= "spapr_patb_entry",
1940 .minimum_version_id
= 1,
1941 .needed
= spapr_patb_entry_needed
,
1942 .fields
= (VMStateField
[]) {
1943 VMSTATE_UINT64(patb_entry
, SpaprMachineState
),
1944 VMSTATE_END_OF_LIST()
1948 static bool spapr_irq_map_needed(void *opaque
)
1950 SpaprMachineState
*spapr
= opaque
;
1952 return spapr
->irq_map
&& !bitmap_empty(spapr
->irq_map
, spapr
->irq_map_nr
);
1955 static const VMStateDescription vmstate_spapr_irq_map
= {
1956 .name
= "spapr_irq_map",
1958 .minimum_version_id
= 1,
1959 .needed
= spapr_irq_map_needed
,
1960 .fields
= (VMStateField
[]) {
1961 VMSTATE_BITMAP(irq_map
, SpaprMachineState
, 0, irq_map_nr
),
1962 VMSTATE_END_OF_LIST()
1966 static bool spapr_dtb_needed(void *opaque
)
1968 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(opaque
);
1970 return smc
->update_dt_enabled
;
1973 static int spapr_dtb_pre_load(void *opaque
)
1975 SpaprMachineState
*spapr
= (SpaprMachineState
*)opaque
;
1977 g_free(spapr
->fdt_blob
);
1978 spapr
->fdt_blob
= NULL
;
1979 spapr
->fdt_size
= 0;
1984 static const VMStateDescription vmstate_spapr_dtb
= {
1985 .name
= "spapr_dtb",
1987 .minimum_version_id
= 1,
1988 .needed
= spapr_dtb_needed
,
1989 .pre_load
= spapr_dtb_pre_load
,
1990 .fields
= (VMStateField
[]) {
1991 VMSTATE_UINT32(fdt_initial_size
, SpaprMachineState
),
1992 VMSTATE_UINT32(fdt_size
, SpaprMachineState
),
1993 VMSTATE_VBUFFER_ALLOC_UINT32(fdt_blob
, SpaprMachineState
, 0, NULL
,
1995 VMSTATE_END_OF_LIST()
1999 static bool spapr_fwnmi_needed(void *opaque
)
2001 SpaprMachineState
*spapr
= (SpaprMachineState
*)opaque
;
2003 return spapr
->fwnmi_machine_check_addr
!= -1;
2006 static int spapr_fwnmi_pre_save(void *opaque
)
2008 SpaprMachineState
*spapr
= (SpaprMachineState
*)opaque
;
2011 * Check if machine check handling is in progress and print a
2014 if (spapr
->fwnmi_machine_check_interlock
!= -1) {
2015 warn_report("A machine check is being handled during migration. The"
2016 "handler may run and log hardware error on the destination");
2022 static const VMStateDescription vmstate_spapr_fwnmi
= {
2023 .name
= "spapr_fwnmi",
2025 .minimum_version_id
= 1,
2026 .needed
= spapr_fwnmi_needed
,
2027 .pre_save
= spapr_fwnmi_pre_save
,
2028 .fields
= (VMStateField
[]) {
2029 VMSTATE_UINT64(fwnmi_system_reset_addr
, SpaprMachineState
),
2030 VMSTATE_UINT64(fwnmi_machine_check_addr
, SpaprMachineState
),
2031 VMSTATE_INT32(fwnmi_machine_check_interlock
, SpaprMachineState
),
2032 VMSTATE_END_OF_LIST()
2036 static const VMStateDescription vmstate_spapr
= {
2039 .minimum_version_id
= 1,
2040 .pre_load
= spapr_pre_load
,
2041 .post_load
= spapr_post_load
,
2042 .pre_save
= spapr_pre_save
,
2043 .fields
= (VMStateField
[]) {
2044 /* used to be @next_irq */
2045 VMSTATE_UNUSED_BUFFER(version_before_3
, 0, 4),
2048 VMSTATE_UINT64_TEST(rtc_offset
, SpaprMachineState
, version_before_3
),
2050 VMSTATE_PPC_TIMEBASE_V(tb
, SpaprMachineState
, 2),
2051 VMSTATE_END_OF_LIST()
2053 .subsections
= (const VMStateDescription
*[]) {
2054 &vmstate_spapr_ov5_cas
,
2055 &vmstate_spapr_patb_entry
,
2056 &vmstate_spapr_pending_events
,
2057 &vmstate_spapr_cap_htm
,
2058 &vmstate_spapr_cap_vsx
,
2059 &vmstate_spapr_cap_dfp
,
2060 &vmstate_spapr_cap_cfpc
,
2061 &vmstate_spapr_cap_sbbc
,
2062 &vmstate_spapr_cap_ibs
,
2063 &vmstate_spapr_cap_hpt_maxpagesize
,
2064 &vmstate_spapr_irq_map
,
2065 &vmstate_spapr_cap_nested_kvm_hv
,
2067 &vmstate_spapr_cap_large_decr
,
2068 &vmstate_spapr_cap_ccf_assist
,
2069 &vmstate_spapr_cap_fwnmi
,
2070 &vmstate_spapr_fwnmi
,
2071 &vmstate_spapr_cap_rpt_invalidate
,
2076 static int htab_save_setup(QEMUFile
*f
, void *opaque
)
2078 SpaprMachineState
*spapr
= opaque
;
2080 /* "Iteration" header */
2081 if (!spapr
->htab_shift
) {
2082 qemu_put_be32(f
, -1);
2084 qemu_put_be32(f
, spapr
->htab_shift
);
2088 spapr
->htab_save_index
= 0;
2089 spapr
->htab_first_pass
= true;
2091 if (spapr
->htab_shift
) {
2092 assert(kvm_enabled());
2100 static void htab_save_chunk(QEMUFile
*f
, SpaprMachineState
*spapr
,
2101 int chunkstart
, int n_valid
, int n_invalid
)
2103 qemu_put_be32(f
, chunkstart
);
2104 qemu_put_be16(f
, n_valid
);
2105 qemu_put_be16(f
, n_invalid
);
2106 qemu_put_buffer(f
, HPTE(spapr
->htab
, chunkstart
),
2107 HASH_PTE_SIZE_64
* n_valid
);
2110 static void htab_save_end_marker(QEMUFile
*f
)
2112 qemu_put_be32(f
, 0);
2113 qemu_put_be16(f
, 0);
2114 qemu_put_be16(f
, 0);
2117 static void htab_save_first_pass(QEMUFile
*f
, SpaprMachineState
*spapr
,
2120 bool has_timeout
= max_ns
!= -1;
2121 int htabslots
= HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
;
2122 int index
= spapr
->htab_save_index
;
2123 int64_t starttime
= qemu_clock_get_ns(QEMU_CLOCK_REALTIME
);
2125 assert(spapr
->htab_first_pass
);
2130 /* Consume invalid HPTEs */
2131 while ((index
< htabslots
)
2132 && !HPTE_VALID(HPTE(spapr
->htab
, index
))) {
2133 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
2137 /* Consume valid HPTEs */
2139 while ((index
< htabslots
) && (index
- chunkstart
< USHRT_MAX
)
2140 && HPTE_VALID(HPTE(spapr
->htab
, index
))) {
2141 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
2145 if (index
> chunkstart
) {
2146 int n_valid
= index
- chunkstart
;
2148 htab_save_chunk(f
, spapr
, chunkstart
, n_valid
, 0);
2151 (qemu_clock_get_ns(QEMU_CLOCK_REALTIME
) - starttime
) > max_ns
) {
2155 } while ((index
< htabslots
) && !qemu_file_rate_limit(f
));
2157 if (index
>= htabslots
) {
2158 assert(index
== htabslots
);
2160 spapr
->htab_first_pass
= false;
2162 spapr
->htab_save_index
= index
;
2165 static int htab_save_later_pass(QEMUFile
*f
, SpaprMachineState
*spapr
,
2168 bool final
= max_ns
< 0;
2169 int htabslots
= HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
;
2170 int examined
= 0, sent
= 0;
2171 int index
= spapr
->htab_save_index
;
2172 int64_t starttime
= qemu_clock_get_ns(QEMU_CLOCK_REALTIME
);
2174 assert(!spapr
->htab_first_pass
);
2177 int chunkstart
, invalidstart
;
2179 /* Consume non-dirty HPTEs */
2180 while ((index
< htabslots
)
2181 && !HPTE_DIRTY(HPTE(spapr
->htab
, index
))) {
2187 /* Consume valid dirty HPTEs */
2188 while ((index
< htabslots
) && (index
- chunkstart
< USHRT_MAX
)
2189 && HPTE_DIRTY(HPTE(spapr
->htab
, index
))
2190 && HPTE_VALID(HPTE(spapr
->htab
, index
))) {
2191 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
2196 invalidstart
= index
;
2197 /* Consume invalid dirty HPTEs */
2198 while ((index
< htabslots
) && (index
- invalidstart
< USHRT_MAX
)
2199 && HPTE_DIRTY(HPTE(spapr
->htab
, index
))
2200 && !HPTE_VALID(HPTE(spapr
->htab
, index
))) {
2201 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
2206 if (index
> chunkstart
) {
2207 int n_valid
= invalidstart
- chunkstart
;
2208 int n_invalid
= index
- invalidstart
;
2210 htab_save_chunk(f
, spapr
, chunkstart
, n_valid
, n_invalid
);
2211 sent
+= index
- chunkstart
;
2213 if (!final
&& (qemu_clock_get_ns(QEMU_CLOCK_REALTIME
) - starttime
) > max_ns
) {
2218 if (examined
>= htabslots
) {
2222 if (index
>= htabslots
) {
2223 assert(index
== htabslots
);
2226 } while ((examined
< htabslots
) && (!qemu_file_rate_limit(f
) || final
));
2228 if (index
>= htabslots
) {
2229 assert(index
== htabslots
);
2233 spapr
->htab_save_index
= index
;
2235 return (examined
>= htabslots
) && (sent
== 0) ? 1 : 0;
2238 #define MAX_ITERATION_NS 5000000 /* 5 ms */
2239 #define MAX_KVM_BUF_SIZE 2048
2241 static int htab_save_iterate(QEMUFile
*f
, void *opaque
)
2243 SpaprMachineState
*spapr
= opaque
;
2247 /* Iteration header */
2248 if (!spapr
->htab_shift
) {
2249 qemu_put_be32(f
, -1);
2252 qemu_put_be32(f
, 0);
2256 assert(kvm_enabled());
2258 fd
= get_htab_fd(spapr
);
2263 rc
= kvmppc_save_htab(f
, fd
, MAX_KVM_BUF_SIZE
, MAX_ITERATION_NS
);
2267 } else if (spapr
->htab_first_pass
) {
2268 htab_save_first_pass(f
, spapr
, MAX_ITERATION_NS
);
2270 rc
= htab_save_later_pass(f
, spapr
, MAX_ITERATION_NS
);
2273 htab_save_end_marker(f
);
2278 static int htab_save_complete(QEMUFile
*f
, void *opaque
)
2280 SpaprMachineState
*spapr
= opaque
;
2283 /* Iteration header */
2284 if (!spapr
->htab_shift
) {
2285 qemu_put_be32(f
, -1);
2288 qemu_put_be32(f
, 0);
2294 assert(kvm_enabled());
2296 fd
= get_htab_fd(spapr
);
2301 rc
= kvmppc_save_htab(f
, fd
, MAX_KVM_BUF_SIZE
, -1);
2306 if (spapr
->htab_first_pass
) {
2307 htab_save_first_pass(f
, spapr
, -1);
2309 htab_save_later_pass(f
, spapr
, -1);
2313 htab_save_end_marker(f
);
2318 static int htab_load(QEMUFile
*f
, void *opaque
, int version_id
)
2320 SpaprMachineState
*spapr
= opaque
;
2321 uint32_t section_hdr
;
2323 Error
*local_err
= NULL
;
2325 if (version_id
< 1 || version_id
> 1) {
2326 error_report("htab_load() bad version");
2330 section_hdr
= qemu_get_be32(f
);
2332 if (section_hdr
== -1) {
2333 spapr_free_hpt(spapr
);
2340 /* First section gives the htab size */
2341 ret
= spapr_reallocate_hpt(spapr
, section_hdr
, &local_err
);
2343 error_report_err(local_err
);
2350 assert(kvm_enabled());
2352 fd
= kvmppc_get_htab_fd(true, 0, &local_err
);
2354 error_report_err(local_err
);
2361 uint16_t n_valid
, n_invalid
;
2363 index
= qemu_get_be32(f
);
2364 n_valid
= qemu_get_be16(f
);
2365 n_invalid
= qemu_get_be16(f
);
2367 if ((index
== 0) && (n_valid
== 0) && (n_invalid
== 0)) {
2372 if ((index
+ n_valid
+ n_invalid
) >
2373 (HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
)) {
2374 /* Bad index in stream */
2376 "htab_load() bad index %d (%hd+%hd entries) in htab stream (htab_shift=%d)",
2377 index
, n_valid
, n_invalid
, spapr
->htab_shift
);
2383 qemu_get_buffer(f
, HPTE(spapr
->htab
, index
),
2384 HASH_PTE_SIZE_64
* n_valid
);
2387 memset(HPTE(spapr
->htab
, index
+ n_valid
), 0,
2388 HASH_PTE_SIZE_64
* n_invalid
);
2395 rc
= kvmppc_load_htab_chunk(f
, fd
, index
, n_valid
, n_invalid
,
2398 error_report_err(local_err
);
2412 static void htab_save_cleanup(void *opaque
)
2414 SpaprMachineState
*spapr
= opaque
;
2416 close_htab_fd(spapr
);
2419 static SaveVMHandlers savevm_htab_handlers
= {
2420 .save_setup
= htab_save_setup
,
2421 .save_live_iterate
= htab_save_iterate
,
2422 .save_live_complete_precopy
= htab_save_complete
,
2423 .save_cleanup
= htab_save_cleanup
,
2424 .load_state
= htab_load
,
2427 static void spapr_boot_set(void *opaque
, const char *boot_device
,
2430 SpaprMachineState
*spapr
= SPAPR_MACHINE(opaque
);
2432 g_free(spapr
->boot_device
);
2433 spapr
->boot_device
= g_strdup(boot_device
);
2436 static void spapr_create_lmb_dr_connectors(SpaprMachineState
*spapr
)
2438 MachineState
*machine
= MACHINE(spapr
);
2439 uint64_t lmb_size
= SPAPR_MEMORY_BLOCK_SIZE
;
2440 uint32_t nr_lmbs
= (machine
->maxram_size
- machine
->ram_size
)/lmb_size
;
2443 for (i
= 0; i
< nr_lmbs
; i
++) {
2446 addr
= i
* lmb_size
+ machine
->device_memory
->base
;
2447 spapr_dr_connector_new(OBJECT(spapr
), TYPE_SPAPR_DRC_LMB
,
2453 * If RAM size, maxmem size and individual node mem sizes aren't aligned
2454 * to SPAPR_MEMORY_BLOCK_SIZE(256MB), then refuse to start the guest
2455 * since we can't support such unaligned sizes with DRCONF_MEMORY.
2457 static void spapr_validate_node_memory(MachineState
*machine
, Error
**errp
)
2461 if (machine
->ram_size
% SPAPR_MEMORY_BLOCK_SIZE
) {
2462 error_setg(errp
, "Memory size 0x" RAM_ADDR_FMT
2463 " is not aligned to %" PRIu64
" MiB",
2465 SPAPR_MEMORY_BLOCK_SIZE
/ MiB
);
2469 if (machine
->maxram_size
% SPAPR_MEMORY_BLOCK_SIZE
) {
2470 error_setg(errp
, "Maximum memory size 0x" RAM_ADDR_FMT
2471 " is not aligned to %" PRIu64
" MiB",
2473 SPAPR_MEMORY_BLOCK_SIZE
/ MiB
);
2477 for (i
= 0; i
< machine
->numa_state
->num_nodes
; i
++) {
2478 if (machine
->numa_state
->nodes
[i
].node_mem
% SPAPR_MEMORY_BLOCK_SIZE
) {
2480 "Node %d memory size 0x%" PRIx64
2481 " is not aligned to %" PRIu64
" MiB",
2482 i
, machine
->numa_state
->nodes
[i
].node_mem
,
2483 SPAPR_MEMORY_BLOCK_SIZE
/ MiB
);
2489 /* find cpu slot in machine->possible_cpus by core_id */
2490 static CPUArchId
*spapr_find_cpu_slot(MachineState
*ms
, uint32_t id
, int *idx
)
2492 int index
= id
/ ms
->smp
.threads
;
2494 if (index
>= ms
->possible_cpus
->len
) {
2500 return &ms
->possible_cpus
->cpus
[index
];
2503 static void spapr_set_vsmt_mode(SpaprMachineState
*spapr
, Error
**errp
)
2505 MachineState
*ms
= MACHINE(spapr
);
2506 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
2507 Error
*local_err
= NULL
;
2508 bool vsmt_user
= !!spapr
->vsmt
;
2509 int kvm_smt
= kvmppc_smt_threads();
2511 unsigned int smp_threads
= ms
->smp
.threads
;
2513 if (!kvm_enabled() && (smp_threads
> 1)) {
2514 error_setg(errp
, "TCG cannot support more than 1 thread/core "
2515 "on a pseries machine");
2518 if (!is_power_of_2(smp_threads
)) {
2519 error_setg(errp
, "Cannot support %d threads/core on a pseries "
2520 "machine because it must be a power of 2", smp_threads
);
2524 /* Detemine the VSMT mode to use: */
2526 if (spapr
->vsmt
< smp_threads
) {
2527 error_setg(errp
, "Cannot support VSMT mode %d"
2528 " because it must be >= threads/core (%d)",
2529 spapr
->vsmt
, smp_threads
);
2532 /* In this case, spapr->vsmt has been set by the command line */
2533 } else if (!smc
->smp_threads_vsmt
) {
2535 * Default VSMT value is tricky, because we need it to be as
2536 * consistent as possible (for migration), but this requires
2537 * changing it for at least some existing cases. We pick 8 as
2538 * the value that we'd get with KVM on POWER8, the
2539 * overwhelmingly common case in production systems.
2541 spapr
->vsmt
= MAX(8, smp_threads
);
2543 spapr
->vsmt
= smp_threads
;
2546 /* KVM: If necessary, set the SMT mode: */
2547 if (kvm_enabled() && (spapr
->vsmt
!= kvm_smt
)) {
2548 ret
= kvmppc_set_smt_threads(spapr
->vsmt
);
2550 /* Looks like KVM isn't able to change VSMT mode */
2551 error_setg(&local_err
,
2552 "Failed to set KVM's VSMT mode to %d (errno %d)",
2554 /* We can live with that if the default one is big enough
2555 * for the number of threads, and a submultiple of the one
2556 * we want. In this case we'll waste some vcpu ids, but
2557 * behaviour will be correct */
2558 if ((kvm_smt
>= smp_threads
) && ((spapr
->vsmt
% kvm_smt
) == 0)) {
2559 warn_report_err(local_err
);
2562 error_append_hint(&local_err
,
2563 "On PPC, a VM with %d threads/core"
2564 " on a host with %d threads/core"
2565 " requires the use of VSMT mode %d.\n",
2566 smp_threads
, kvm_smt
, spapr
->vsmt
);
2568 kvmppc_error_append_smt_possible_hint(&local_err
);
2569 error_propagate(errp
, local_err
);
2573 /* else TCG: nothing to do currently */
2576 static void spapr_init_cpus(SpaprMachineState
*spapr
)
2578 MachineState
*machine
= MACHINE(spapr
);
2579 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
2580 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(machine
);
2581 const char *type
= spapr_get_cpu_core_type(machine
->cpu_type
);
2582 const CPUArchIdList
*possible_cpus
;
2583 unsigned int smp_cpus
= machine
->smp
.cpus
;
2584 unsigned int smp_threads
= machine
->smp
.threads
;
2585 unsigned int max_cpus
= machine
->smp
.max_cpus
;
2586 int boot_cores_nr
= smp_cpus
/ smp_threads
;
2589 possible_cpus
= mc
->possible_cpu_arch_ids(machine
);
2590 if (mc
->has_hotpluggable_cpus
) {
2591 if (smp_cpus
% smp_threads
) {
2592 error_report("smp_cpus (%u) must be multiple of threads (%u)",
2593 smp_cpus
, smp_threads
);
2596 if (max_cpus
% smp_threads
) {
2597 error_report("max_cpus (%u) must be multiple of threads (%u)",
2598 max_cpus
, smp_threads
);
2602 if (max_cpus
!= smp_cpus
) {
2603 error_report("This machine version does not support CPU hotplug");
2606 boot_cores_nr
= possible_cpus
->len
;
2609 if (smc
->pre_2_10_has_unused_icps
) {
2612 for (i
= 0; i
< spapr_max_server_number(spapr
); i
++) {
2613 /* Dummy entries get deregistered when real ICPState objects
2614 * are registered during CPU core hotplug.
2616 pre_2_10_vmstate_register_dummy_icp(i
);
2620 for (i
= 0; i
< possible_cpus
->len
; i
++) {
2621 int core_id
= i
* smp_threads
;
2623 if (mc
->has_hotpluggable_cpus
) {
2624 spapr_dr_connector_new(OBJECT(spapr
), TYPE_SPAPR_DRC_CPU
,
2625 spapr_vcpu_id(spapr
, core_id
));
2628 if (i
< boot_cores_nr
) {
2629 Object
*core
= object_new(type
);
2630 int nr_threads
= smp_threads
;
2632 /* Handle the partially filled core for older machine types */
2633 if ((i
+ 1) * smp_threads
>= smp_cpus
) {
2634 nr_threads
= smp_cpus
- i
* smp_threads
;
2637 object_property_set_int(core
, "nr-threads", nr_threads
,
2639 object_property_set_int(core
, CPU_CORE_PROP_CORE_ID
, core_id
,
2641 qdev_realize(DEVICE(core
), NULL
, &error_fatal
);
2648 static PCIHostState
*spapr_create_default_phb(void)
2652 dev
= qdev_new(TYPE_SPAPR_PCI_HOST_BRIDGE
);
2653 qdev_prop_set_uint32(dev
, "index", 0);
2654 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
2656 return PCI_HOST_BRIDGE(dev
);
2659 static hwaddr
spapr_rma_size(SpaprMachineState
*spapr
, Error
**errp
)
2661 MachineState
*machine
= MACHINE(spapr
);
2662 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
2663 hwaddr rma_size
= machine
->ram_size
;
2664 hwaddr node0_size
= spapr_node0_size(machine
);
2666 /* RMA has to fit in the first NUMA node */
2667 rma_size
= MIN(rma_size
, node0_size
);
2670 * VRMA access is via a special 1TiB SLB mapping, so the RMA can
2673 rma_size
= MIN(rma_size
, 1 * TiB
);
2676 * Clamp the RMA size based on machine type. This is for
2677 * migration compatibility with older qemu versions, which limited
2678 * the RMA size for complicated and mostly bad reasons.
2680 if (smc
->rma_limit
) {
2681 rma_size
= MIN(rma_size
, smc
->rma_limit
);
2684 if (rma_size
< MIN_RMA_SLOF
) {
2686 "pSeries SLOF firmware requires >= %" HWADDR_PRIx
2687 "ldMiB guest RMA (Real Mode Area memory)",
2688 MIN_RMA_SLOF
/ MiB
);
2695 static void spapr_create_nvdimm_dr_connectors(SpaprMachineState
*spapr
)
2697 MachineState
*machine
= MACHINE(spapr
);
2700 for (i
= 0; i
< machine
->ram_slots
; i
++) {
2701 spapr_dr_connector_new(OBJECT(spapr
), TYPE_SPAPR_DRC_PMEM
, i
);
2705 /* pSeries LPAR / sPAPR hardware init */
2706 static void spapr_machine_init(MachineState
*machine
)
2708 SpaprMachineState
*spapr
= SPAPR_MACHINE(machine
);
2709 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(machine
);
2710 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
2711 const char *bios_default
= spapr
->vof
? FW_FILE_NAME_VOF
: FW_FILE_NAME
;
2712 const char *bios_name
= machine
->firmware
?: bios_default
;
2713 const char *kernel_filename
= machine
->kernel_filename
;
2714 const char *initrd_filename
= machine
->initrd_filename
;
2717 MemoryRegion
*sysmem
= get_system_memory();
2718 long load_limit
, fw_size
;
2720 Error
*resize_hpt_err
= NULL
;
2723 * if Secure VM (PEF) support is configured, then initialize it
2725 pef_kvm_init(machine
->cgs
, &error_fatal
);
2727 msi_nonbroken
= true;
2729 QLIST_INIT(&spapr
->phbs
);
2730 QTAILQ_INIT(&spapr
->pending_dimm_unplugs
);
2732 /* Determine capabilities to run with */
2733 spapr_caps_init(spapr
);
2735 kvmppc_check_papr_resize_hpt(&resize_hpt_err
);
2736 if (spapr
->resize_hpt
== SPAPR_RESIZE_HPT_DEFAULT
) {
2738 * If the user explicitly requested a mode we should either
2739 * supply it, or fail completely (which we do below). But if
2740 * it's not set explicitly, we reset our mode to something
2743 if (resize_hpt_err
) {
2744 spapr
->resize_hpt
= SPAPR_RESIZE_HPT_DISABLED
;
2745 error_free(resize_hpt_err
);
2746 resize_hpt_err
= NULL
;
2748 spapr
->resize_hpt
= smc
->resize_hpt_default
;
2752 assert(spapr
->resize_hpt
!= SPAPR_RESIZE_HPT_DEFAULT
);
2754 if ((spapr
->resize_hpt
!= SPAPR_RESIZE_HPT_DISABLED
) && resize_hpt_err
) {
2756 * User requested HPT resize, but this host can't supply it. Bail out
2758 error_report_err(resize_hpt_err
);
2761 error_free(resize_hpt_err
);
2763 spapr
->rma_size
= spapr_rma_size(spapr
, &error_fatal
);
2765 /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */
2766 load_limit
= MIN(spapr
->rma_size
, FDT_MAX_ADDR
) - FW_OVERHEAD
;
2769 * VSMT must be set in order to be able to compute VCPU ids, ie to
2770 * call spapr_max_server_number() or spapr_vcpu_id().
2772 spapr_set_vsmt_mode(spapr
, &error_fatal
);
2774 /* Set up Interrupt Controller before we create the VCPUs */
2775 spapr_irq_init(spapr
, &error_fatal
);
2777 /* Set up containers for ibm,client-architecture-support negotiated options
2779 spapr
->ov5
= spapr_ovec_new();
2780 spapr
->ov5_cas
= spapr_ovec_new();
2782 if (smc
->dr_lmb_enabled
) {
2783 spapr_ovec_set(spapr
->ov5
, OV5_DRCONF_MEMORY
);
2784 spapr_validate_node_memory(machine
, &error_fatal
);
2787 spapr_ovec_set(spapr
->ov5
, OV5_FORM1_AFFINITY
);
2789 /* Do not advertise FORM2 NUMA support for pseries-6.1 and older */
2790 if (!smc
->pre_6_2_numa_affinity
) {
2791 spapr_ovec_set(spapr
->ov5
, OV5_FORM2_AFFINITY
);
2794 /* advertise support for dedicated HP event source to guests */
2795 if (spapr
->use_hotplug_event_source
) {
2796 spapr_ovec_set(spapr
->ov5
, OV5_HP_EVT
);
2799 /* advertise support for HPT resizing */
2800 if (spapr
->resize_hpt
!= SPAPR_RESIZE_HPT_DISABLED
) {
2801 spapr_ovec_set(spapr
->ov5
, OV5_HPT_RESIZE
);
2804 /* advertise support for ibm,dyamic-memory-v2 */
2805 spapr_ovec_set(spapr
->ov5
, OV5_DRMEM_V2
);
2807 /* advertise XIVE on POWER9 machines */
2808 if (spapr
->irq
->xive
) {
2809 spapr_ovec_set(spapr
->ov5
, OV5_XIVE_EXPLOIT
);
2813 spapr_init_cpus(spapr
);
2815 spapr
->gpu_numa_id
= spapr_numa_initial_nvgpu_numa_id(machine
);
2817 /* Init numa_assoc_array */
2818 spapr_numa_associativity_init(spapr
, machine
);
2820 if ((!kvm_enabled() || kvmppc_has_cap_mmu_radix()) &&
2821 ppc_type_check_compat(machine
->cpu_type
, CPU_POWERPC_LOGICAL_3_00
, 0,
2822 spapr
->max_compat_pvr
)) {
2823 spapr_ovec_set(spapr
->ov5
, OV5_MMU_RADIX_300
);
2824 /* KVM and TCG always allow GTSE with radix... */
2825 spapr_ovec_set(spapr
->ov5
, OV5_MMU_RADIX_GTSE
);
2827 /* ... but not with hash (currently). */
2829 if (kvm_enabled()) {
2830 /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */
2831 kvmppc_enable_logical_ci_hcalls();
2832 kvmppc_enable_set_mode_hcall();
2834 /* H_CLEAR_MOD/_REF are mandatory in PAPR, but off by default */
2835 kvmppc_enable_clear_ref_mod_hcalls();
2837 /* Enable H_PAGE_INIT */
2838 kvmppc_enable_h_page_init();
2842 memory_region_add_subregion(sysmem
, 0, machine
->ram
);
2844 /* always allocate the device memory information */
2845 machine
->device_memory
= g_malloc0(sizeof(*machine
->device_memory
));
2847 /* initialize hotplug memory address space */
2848 if (machine
->ram_size
< machine
->maxram_size
) {
2849 ram_addr_t device_mem_size
= machine
->maxram_size
- machine
->ram_size
;
2851 * Limit the number of hotpluggable memory slots to half the number
2852 * slots that KVM supports, leaving the other half for PCI and other
2853 * devices. However ensure that number of slots doesn't drop below 32.
2855 int max_memslots
= kvm_enabled() ? kvm_get_max_memslots() / 2 :
2856 SPAPR_MAX_RAM_SLOTS
;
2858 if (max_memslots
< SPAPR_MAX_RAM_SLOTS
) {
2859 max_memslots
= SPAPR_MAX_RAM_SLOTS
;
2861 if (machine
->ram_slots
> max_memslots
) {
2862 error_report("Specified number of memory slots %"
2863 PRIu64
" exceeds max supported %d",
2864 machine
->ram_slots
, max_memslots
);
2868 machine
->device_memory
->base
= ROUND_UP(machine
->ram_size
,
2869 SPAPR_DEVICE_MEM_ALIGN
);
2870 memory_region_init(&machine
->device_memory
->mr
, OBJECT(spapr
),
2871 "device-memory", device_mem_size
);
2872 memory_region_add_subregion(sysmem
, machine
->device_memory
->base
,
2873 &machine
->device_memory
->mr
);
2876 if (smc
->dr_lmb_enabled
) {
2877 spapr_create_lmb_dr_connectors(spapr
);
2880 if (spapr_get_cap(spapr
, SPAPR_CAP_FWNMI
) == SPAPR_CAP_ON
) {
2881 /* Create the error string for live migration blocker */
2882 error_setg(&spapr
->fwnmi_migration_blocker
,
2883 "A machine check is being handled during migration. The handler"
2884 "may run and log hardware error on the destination");
2887 if (mc
->nvdimm_supported
) {
2888 spapr_create_nvdimm_dr_connectors(spapr
);
2891 /* Set up RTAS event infrastructure */
2892 spapr_events_init(spapr
);
2894 /* Set up the RTC RTAS interfaces */
2895 spapr_rtc_create(spapr
);
2897 /* Set up VIO bus */
2898 spapr
->vio_bus
= spapr_vio_bus_init();
2900 for (i
= 0; serial_hd(i
); i
++) {
2901 spapr_vty_create(spapr
->vio_bus
, serial_hd(i
));
2904 /* We always have at least the nvram device on VIO */
2905 spapr_create_nvram(spapr
);
2908 * Setup hotplug / dynamic-reconfiguration connectors. top-level
2909 * connectors (described in root DT node's "ibm,drc-types" property)
2910 * are pre-initialized here. additional child connectors (such as
2911 * connectors for a PHBs PCI slots) are added as needed during their
2912 * parent's realization.
2914 if (smc
->dr_phb_enabled
) {
2915 for (i
= 0; i
< SPAPR_MAX_PHBS
; i
++) {
2916 spapr_dr_connector_new(OBJECT(machine
), TYPE_SPAPR_DRC_PHB
, i
);
2921 spapr_pci_rtas_init();
2923 phb
= spapr_create_default_phb();
2925 for (i
= 0; i
< nb_nics
; i
++) {
2926 NICInfo
*nd
= &nd_table
[i
];
2929 nd
->model
= g_strdup("spapr-vlan");
2932 if (g_str_equal(nd
->model
, "spapr-vlan") ||
2933 g_str_equal(nd
->model
, "ibmveth")) {
2934 spapr_vlan_create(spapr
->vio_bus
, nd
);
2936 pci_nic_init_nofail(&nd_table
[i
], phb
->bus
, nd
->model
, NULL
);
2940 for (i
= 0; i
<= drive_get_max_bus(IF_SCSI
); i
++) {
2941 spapr_vscsi_create(spapr
->vio_bus
);
2945 if (spapr_vga_init(phb
->bus
, &error_fatal
)) {
2946 spapr
->has_graphics
= true;
2947 machine
->usb
|= defaults_enabled() && !machine
->usb_disabled
;
2951 if (smc
->use_ohci_by_default
) {
2952 pci_create_simple(phb
->bus
, -1, "pci-ohci");
2954 pci_create_simple(phb
->bus
, -1, "nec-usb-xhci");
2957 if (spapr
->has_graphics
) {
2958 USBBus
*usb_bus
= usb_bus_find(-1);
2960 usb_create_simple(usb_bus
, "usb-kbd");
2961 usb_create_simple(usb_bus
, "usb-mouse");
2965 if (kernel_filename
) {
2966 spapr
->kernel_size
= load_elf(kernel_filename
, NULL
,
2967 translate_kernel_address
, spapr
,
2968 NULL
, NULL
, NULL
, NULL
, 1,
2969 PPC_ELF_MACHINE
, 0, 0);
2970 if (spapr
->kernel_size
== ELF_LOAD_WRONG_ENDIAN
) {
2971 spapr
->kernel_size
= load_elf(kernel_filename
, NULL
,
2972 translate_kernel_address
, spapr
,
2973 NULL
, NULL
, NULL
, NULL
, 0,
2974 PPC_ELF_MACHINE
, 0, 0);
2975 spapr
->kernel_le
= spapr
->kernel_size
> 0;
2977 if (spapr
->kernel_size
< 0) {
2978 error_report("error loading %s: %s", kernel_filename
,
2979 load_elf_strerror(spapr
->kernel_size
));
2984 if (initrd_filename
) {
2985 /* Try to locate the initrd in the gap between the kernel
2986 * and the firmware. Add a bit of space just in case
2988 spapr
->initrd_base
= (spapr
->kernel_addr
+ spapr
->kernel_size
2989 + 0x1ffff) & ~0xffff;
2990 spapr
->initrd_size
= load_image_targphys(initrd_filename
,
2993 - spapr
->initrd_base
);
2994 if (spapr
->initrd_size
< 0) {
2995 error_report("could not load initial ram disk '%s'",
3002 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
3004 error_report("Could not find LPAR firmware '%s'", bios_name
);
3007 fw_size
= load_image_targphys(filename
, 0, FW_MAX_SIZE
);
3009 error_report("Could not load LPAR firmware '%s'", filename
);
3014 /* FIXME: Should register things through the MachineState's qdev
3015 * interface, this is a legacy from the sPAPREnvironment structure
3016 * which predated MachineState but had a similar function */
3017 vmstate_register(NULL
, 0, &vmstate_spapr
, spapr
);
3018 register_savevm_live("spapr/htab", VMSTATE_INSTANCE_ID_ANY
, 1,
3019 &savevm_htab_handlers
, spapr
);
3021 qbus_set_hotplug_handler(sysbus_get_default(), OBJECT(machine
));
3023 qemu_register_boot_set(spapr_boot_set
, spapr
);
3026 * Nothing needs to be done to resume a suspended guest because
3027 * suspending does not change the machine state, so no need for
3028 * a ->wakeup method.
3030 qemu_register_wakeup_support();
3032 if (kvm_enabled()) {
3033 /* to stop and start vmclock */
3034 qemu_add_vm_change_state_handler(cpu_ppc_clock_vm_state_change
,
3037 kvmppc_spapr_enable_inkernel_multitce();
3040 qemu_cond_init(&spapr
->fwnmi_machine_check_interlock_cond
);
3042 spapr
->vof
->fw_size
= fw_size
; /* for claim() on itself */
3043 spapr_register_hypercall(KVMPPC_H_VOF_CLIENT
, spapr_h_vof_client
);
3047 #define DEFAULT_KVM_TYPE "auto"
3048 static int spapr_kvm_type(MachineState
*machine
, const char *vm_type
)
3051 * The use of g_ascii_strcasecmp() for 'hv' and 'pr' is to
3052 * accomodate the 'HV' and 'PV' formats that exists in the
3053 * wild. The 'auto' mode is being introduced already as
3054 * lower-case, thus we don't need to bother checking for
3057 if (!vm_type
|| !strcmp(vm_type
, DEFAULT_KVM_TYPE
)) {
3061 if (!g_ascii_strcasecmp(vm_type
, "hv")) {
3065 if (!g_ascii_strcasecmp(vm_type
, "pr")) {
3069 error_report("Unknown kvm-type specified '%s'", vm_type
);
3074 * Implementation of an interface to adjust firmware path
3075 * for the bootindex property handling.
3077 static char *spapr_get_fw_dev_path(FWPathProvider
*p
, BusState
*bus
,
3080 #define CAST(type, obj, name) \
3081 ((type *)object_dynamic_cast(OBJECT(obj), (name)))
3082 SCSIDevice
*d
= CAST(SCSIDevice
, dev
, TYPE_SCSI_DEVICE
);
3083 SpaprPhbState
*phb
= CAST(SpaprPhbState
, dev
, TYPE_SPAPR_PCI_HOST_BRIDGE
);
3084 VHostSCSICommon
*vsc
= CAST(VHostSCSICommon
, dev
, TYPE_VHOST_SCSI_COMMON
);
3085 PCIDevice
*pcidev
= CAST(PCIDevice
, dev
, TYPE_PCI_DEVICE
);
3088 void *spapr
= CAST(void, bus
->parent
, "spapr-vscsi");
3089 VirtIOSCSI
*virtio
= CAST(VirtIOSCSI
, bus
->parent
, TYPE_VIRTIO_SCSI
);
3090 USBDevice
*usb
= CAST(USBDevice
, bus
->parent
, TYPE_USB_DEVICE
);
3094 * Replace "channel@0/disk@0,0" with "disk@8000000000000000":
3095 * In the top 16 bits of the 64-bit LUN, we use SRP luns of the form
3096 * 0x8000 | (target << 8) | (bus << 5) | lun
3097 * (see the "Logical unit addressing format" table in SAM5)
3099 unsigned id
= 0x8000 | (d
->id
<< 8) | (d
->channel
<< 5) | d
->lun
;
3100 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
3101 (uint64_t)id
<< 48);
3102 } else if (virtio
) {
3104 * We use SRP luns of the form 01000000 | (target << 8) | lun
3105 * in the top 32 bits of the 64-bit LUN
3106 * Note: the quote above is from SLOF and it is wrong,
3107 * the actual binding is:
3108 * swap 0100 or 10 << or 20 << ( target lun-id -- srplun )
3110 unsigned id
= 0x1000000 | (d
->id
<< 16) | d
->lun
;
3111 if (d
->lun
>= 256) {
3112 /* Use the LUN "flat space addressing method" */
3115 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
3116 (uint64_t)id
<< 32);
3119 * We use SRP luns of the form 01000000 | (usb-port << 16) | lun
3120 * in the top 32 bits of the 64-bit LUN
3122 unsigned usb_port
= atoi(usb
->port
->path
);
3123 unsigned id
= 0x1000000 | (usb_port
<< 16) | d
->lun
;
3124 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
3125 (uint64_t)id
<< 32);
3130 * SLOF probes the USB devices, and if it recognizes that the device is a
3131 * storage device, it changes its name to "storage" instead of "usb-host",
3132 * and additionally adds a child node for the SCSI LUN, so the correct
3133 * boot path in SLOF is something like .../storage@1/disk@xxx" instead.
3135 if (strcmp("usb-host", qdev_fw_name(dev
)) == 0) {
3136 USBDevice
*usbdev
= CAST(USBDevice
, dev
, TYPE_USB_DEVICE
);
3137 if (usb_device_is_scsi_storage(usbdev
)) {
3138 return g_strdup_printf("storage@%s/disk", usbdev
->port
->path
);
3143 /* Replace "pci" with "pci@800000020000000" */
3144 return g_strdup_printf("pci@%"PRIX64
, phb
->buid
);
3148 /* Same logic as virtio above */
3149 unsigned id
= 0x1000000 | (vsc
->target
<< 16) | vsc
->lun
;
3150 return g_strdup_printf("disk@%"PRIX64
, (uint64_t)id
<< 32);
3153 if (g_str_equal("pci-bridge", qdev_fw_name(dev
))) {
3154 /* SLOF uses "pci" instead of "pci-bridge" for PCI bridges */
3155 PCIDevice
*pcidev
= CAST(PCIDevice
, dev
, TYPE_PCI_DEVICE
);
3156 return g_strdup_printf("pci@%x", PCI_SLOT(pcidev
->devfn
));
3160 return spapr_pci_fw_dev_name(pcidev
);
3166 static char *spapr_get_kvm_type(Object
*obj
, Error
**errp
)
3168 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3170 return g_strdup(spapr
->kvm_type
);
3173 static void spapr_set_kvm_type(Object
*obj
, const char *value
, Error
**errp
)
3175 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3177 g_free(spapr
->kvm_type
);
3178 spapr
->kvm_type
= g_strdup(value
);
3181 static bool spapr_get_modern_hotplug_events(Object
*obj
, Error
**errp
)
3183 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3185 return spapr
->use_hotplug_event_source
;
3188 static void spapr_set_modern_hotplug_events(Object
*obj
, bool value
,
3191 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3193 spapr
->use_hotplug_event_source
= value
;
3196 static bool spapr_get_msix_emulation(Object
*obj
, Error
**errp
)
3201 static char *spapr_get_resize_hpt(Object
*obj
, Error
**errp
)
3203 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3205 switch (spapr
->resize_hpt
) {
3206 case SPAPR_RESIZE_HPT_DEFAULT
:
3207 return g_strdup("default");
3208 case SPAPR_RESIZE_HPT_DISABLED
:
3209 return g_strdup("disabled");
3210 case SPAPR_RESIZE_HPT_ENABLED
:
3211 return g_strdup("enabled");
3212 case SPAPR_RESIZE_HPT_REQUIRED
:
3213 return g_strdup("required");
3215 g_assert_not_reached();
3218 static void spapr_set_resize_hpt(Object
*obj
, const char *value
, Error
**errp
)
3220 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3222 if (strcmp(value
, "default") == 0) {
3223 spapr
->resize_hpt
= SPAPR_RESIZE_HPT_DEFAULT
;
3224 } else if (strcmp(value
, "disabled") == 0) {
3225 spapr
->resize_hpt
= SPAPR_RESIZE_HPT_DISABLED
;
3226 } else if (strcmp(value
, "enabled") == 0) {
3227 spapr
->resize_hpt
= SPAPR_RESIZE_HPT_ENABLED
;
3228 } else if (strcmp(value
, "required") == 0) {
3229 spapr
->resize_hpt
= SPAPR_RESIZE_HPT_REQUIRED
;
3231 error_setg(errp
, "Bad value for \"resize-hpt\" property");
3235 static bool spapr_get_vof(Object
*obj
, Error
**errp
)
3237 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3239 return spapr
->vof
!= NULL
;
3242 static void spapr_set_vof(Object
*obj
, bool value
, Error
**errp
)
3244 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3247 vof_cleanup(spapr
->vof
);
3254 spapr
->vof
= g_malloc0(sizeof(*spapr
->vof
));
3257 static char *spapr_get_ic_mode(Object
*obj
, Error
**errp
)
3259 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3261 if (spapr
->irq
== &spapr_irq_xics_legacy
) {
3262 return g_strdup("legacy");
3263 } else if (spapr
->irq
== &spapr_irq_xics
) {
3264 return g_strdup("xics");
3265 } else if (spapr
->irq
== &spapr_irq_xive
) {
3266 return g_strdup("xive");
3267 } else if (spapr
->irq
== &spapr_irq_dual
) {
3268 return g_strdup("dual");
3270 g_assert_not_reached();
3273 static void spapr_set_ic_mode(Object
*obj
, const char *value
, Error
**errp
)
3275 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3277 if (SPAPR_MACHINE_GET_CLASS(spapr
)->legacy_irq_allocation
) {
3278 error_setg(errp
, "This machine only uses the legacy XICS backend, don't pass ic-mode");
3282 /* The legacy IRQ backend can not be set */
3283 if (strcmp(value
, "xics") == 0) {
3284 spapr
->irq
= &spapr_irq_xics
;
3285 } else if (strcmp(value
, "xive") == 0) {
3286 spapr
->irq
= &spapr_irq_xive
;
3287 } else if (strcmp(value
, "dual") == 0) {
3288 spapr
->irq
= &spapr_irq_dual
;
3290 error_setg(errp
, "Bad value for \"ic-mode\" property");
3294 static char *spapr_get_host_model(Object
*obj
, Error
**errp
)
3296 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3298 return g_strdup(spapr
->host_model
);
3301 static void spapr_set_host_model(Object
*obj
, const char *value
, Error
**errp
)
3303 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3305 g_free(spapr
->host_model
);
3306 spapr
->host_model
= g_strdup(value
);
3309 static char *spapr_get_host_serial(Object
*obj
, Error
**errp
)
3311 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3313 return g_strdup(spapr
->host_serial
);
3316 static void spapr_set_host_serial(Object
*obj
, const char *value
, Error
**errp
)
3318 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3320 g_free(spapr
->host_serial
);
3321 spapr
->host_serial
= g_strdup(value
);
3324 static void spapr_instance_init(Object
*obj
)
3326 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3327 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
3328 MachineState
*ms
= MACHINE(spapr
);
3329 MachineClass
*mc
= MACHINE_GET_CLASS(ms
);
3332 * NVDIMM support went live in 5.1 without considering that, in
3333 * other archs, the user needs to enable NVDIMM support with the
3334 * 'nvdimm' machine option and the default behavior is NVDIMM
3335 * support disabled. It is too late to roll back to the standard
3336 * behavior without breaking 5.1 guests.
3338 if (mc
->nvdimm_supported
) {
3339 ms
->nvdimms_state
->is_enabled
= true;
3342 spapr
->htab_fd
= -1;
3343 spapr
->use_hotplug_event_source
= true;
3344 spapr
->kvm_type
= g_strdup(DEFAULT_KVM_TYPE
);
3345 object_property_add_str(obj
, "kvm-type",
3346 spapr_get_kvm_type
, spapr_set_kvm_type
);
3347 object_property_set_description(obj
, "kvm-type",
3348 "Specifies the KVM virtualization mode (auto,"
3349 " hv, pr). Defaults to 'auto'. This mode will use"
3350 " any available KVM module loaded in the host,"
3351 " where kvm_hv takes precedence if both kvm_hv and"
3352 " kvm_pr are loaded.");
3353 object_property_add_bool(obj
, "modern-hotplug-events",
3354 spapr_get_modern_hotplug_events
,
3355 spapr_set_modern_hotplug_events
);
3356 object_property_set_description(obj
, "modern-hotplug-events",
3357 "Use dedicated hotplug event mechanism in"
3358 " place of standard EPOW events when possible"
3359 " (required for memory hot-unplug support)");
3360 ppc_compat_add_property(obj
, "max-cpu-compat", &spapr
->max_compat_pvr
,
3361 "Maximum permitted CPU compatibility mode");
3363 object_property_add_str(obj
, "resize-hpt",
3364 spapr_get_resize_hpt
, spapr_set_resize_hpt
);
3365 object_property_set_description(obj
, "resize-hpt",
3366 "Resizing of the Hash Page Table (enabled, disabled, required)");
3367 object_property_add_uint32_ptr(obj
, "vsmt",
3368 &spapr
->vsmt
, OBJ_PROP_FLAG_READWRITE
);
3369 object_property_set_description(obj
, "vsmt",
3370 "Virtual SMT: KVM behaves as if this were"
3371 " the host's SMT mode");
3373 object_property_add_bool(obj
, "vfio-no-msix-emulation",
3374 spapr_get_msix_emulation
, NULL
);
3376 object_property_add_uint64_ptr(obj
, "kernel-addr",
3377 &spapr
->kernel_addr
, OBJ_PROP_FLAG_READWRITE
);
3378 object_property_set_description(obj
, "kernel-addr",
3379 stringify(KERNEL_LOAD_ADDR
)
3380 " for -kernel is the default");
3381 spapr
->kernel_addr
= KERNEL_LOAD_ADDR
;
3383 object_property_add_bool(obj
, "x-vof", spapr_get_vof
, spapr_set_vof
);
3384 object_property_set_description(obj
, "x-vof",
3385 "Enable Virtual Open Firmware (experimental)");
3387 /* The machine class defines the default interrupt controller mode */
3388 spapr
->irq
= smc
->irq
;
3389 object_property_add_str(obj
, "ic-mode", spapr_get_ic_mode
,
3391 object_property_set_description(obj
, "ic-mode",
3392 "Specifies the interrupt controller mode (xics, xive, dual)");
3394 object_property_add_str(obj
, "host-model",
3395 spapr_get_host_model
, spapr_set_host_model
);
3396 object_property_set_description(obj
, "host-model",
3397 "Host model to advertise in guest device tree");
3398 object_property_add_str(obj
, "host-serial",
3399 spapr_get_host_serial
, spapr_set_host_serial
);
3400 object_property_set_description(obj
, "host-serial",
3401 "Host serial number to advertise in guest device tree");
3404 static void spapr_machine_finalizefn(Object
*obj
)
3406 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
3408 g_free(spapr
->kvm_type
);
3411 void spapr_do_system_reset_on_cpu(CPUState
*cs
, run_on_cpu_data arg
)
3413 SpaprMachineState
*spapr
= SPAPR_MACHINE(qdev_get_machine());
3414 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
3415 CPUPPCState
*env
= &cpu
->env
;
3417 cpu_synchronize_state(cs
);
3418 /* If FWNMI is inactive, addr will be -1, which will deliver to 0x100 */
3419 if (spapr
->fwnmi_system_reset_addr
!= -1) {
3420 uint64_t rtas_addr
, addr
;
3422 /* get rtas addr from fdt */
3423 rtas_addr
= spapr_get_rtas_addr();
3425 qemu_system_guest_panicked(NULL
);
3429 addr
= rtas_addr
+ RTAS_ERROR_LOG_MAX
+ cs
->cpu_index
* sizeof(uint64_t)*2;
3430 stq_be_phys(&address_space_memory
, addr
, env
->gpr
[3]);
3431 stq_be_phys(&address_space_memory
, addr
+ sizeof(uint64_t), 0);
3434 ppc_cpu_do_system_reset(cs
);
3435 if (spapr
->fwnmi_system_reset_addr
!= -1) {
3436 env
->nip
= spapr
->fwnmi_system_reset_addr
;
3440 static void spapr_nmi(NMIState
*n
, int cpu_index
, Error
**errp
)
3445 async_run_on_cpu(cs
, spapr_do_system_reset_on_cpu
, RUN_ON_CPU_NULL
);
3449 int spapr_lmb_dt_populate(SpaprDrc
*drc
, SpaprMachineState
*spapr
,
3450 void *fdt
, int *fdt_start_offset
, Error
**errp
)
3455 addr
= spapr_drc_index(drc
) * SPAPR_MEMORY_BLOCK_SIZE
;
3456 node
= object_property_get_uint(OBJECT(drc
->dev
), PC_DIMM_NODE_PROP
,
3458 *fdt_start_offset
= spapr_dt_memory_node(spapr
, fdt
, node
, addr
,
3459 SPAPR_MEMORY_BLOCK_SIZE
);
3463 static void spapr_add_lmbs(DeviceState
*dev
, uint64_t addr_start
, uint64_t size
,
3464 bool dedicated_hp_event_source
)
3467 uint32_t nr_lmbs
= size
/SPAPR_MEMORY_BLOCK_SIZE
;
3469 uint64_t addr
= addr_start
;
3470 bool hotplugged
= spapr_drc_hotplugged(dev
);
3472 for (i
= 0; i
< nr_lmbs
; i
++) {
3473 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3474 addr
/ SPAPR_MEMORY_BLOCK_SIZE
);
3478 * memory_device_get_free_addr() provided a range of free addresses
3479 * that doesn't overlap with any existing mapping at pre-plug. The
3480 * corresponding LMB DRCs are thus assumed to be all attachable.
3482 spapr_drc_attach(drc
, dev
);
3484 spapr_drc_reset(drc
);
3486 addr
+= SPAPR_MEMORY_BLOCK_SIZE
;
3488 /* send hotplug notification to the
3489 * guest only in case of hotplugged memory
3492 if (dedicated_hp_event_source
) {
3493 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3494 addr_start
/ SPAPR_MEMORY_BLOCK_SIZE
);
3496 spapr_hotplug_req_add_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB
,
3498 spapr_drc_index(drc
));
3500 spapr_hotplug_req_add_by_count(SPAPR_DR_CONNECTOR_TYPE_LMB
,
3506 static void spapr_memory_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
3508 SpaprMachineState
*ms
= SPAPR_MACHINE(hotplug_dev
);
3509 PCDIMMDevice
*dimm
= PC_DIMM(dev
);
3510 uint64_t size
, addr
;
3512 bool is_nvdimm
= object_dynamic_cast(OBJECT(dev
), TYPE_NVDIMM
);
3514 size
= memory_device_get_region_size(MEMORY_DEVICE(dev
), &error_abort
);
3516 pc_dimm_plug(dimm
, MACHINE(ms
));
3519 addr
= object_property_get_uint(OBJECT(dimm
),
3520 PC_DIMM_ADDR_PROP
, &error_abort
);
3521 spapr_add_lmbs(dev
, addr
, size
,
3522 spapr_ovec_test(ms
->ov5_cas
, OV5_HP_EVT
));
3524 slot
= object_property_get_int(OBJECT(dimm
),
3525 PC_DIMM_SLOT_PROP
, &error_abort
);
3526 /* We should have valid slot number at this point */
3527 g_assert(slot
>= 0);
3528 spapr_add_nvdimm(dev
, slot
);
3532 static void spapr_memory_pre_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
,
3535 const SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(hotplug_dev
);
3536 SpaprMachineState
*spapr
= SPAPR_MACHINE(hotplug_dev
);
3537 bool is_nvdimm
= object_dynamic_cast(OBJECT(dev
), TYPE_NVDIMM
);
3538 PCDIMMDevice
*dimm
= PC_DIMM(dev
);
3539 Error
*local_err
= NULL
;
3544 if (!smc
->dr_lmb_enabled
) {
3545 error_setg(errp
, "Memory hotplug not supported for this machine");
3549 size
= memory_device_get_region_size(MEMORY_DEVICE(dimm
), &local_err
);
3551 error_propagate(errp
, local_err
);
3556 if (!spapr_nvdimm_validate(hotplug_dev
, NVDIMM(dev
), size
, errp
)) {
3559 } else if (size
% SPAPR_MEMORY_BLOCK_SIZE
) {
3560 error_setg(errp
, "Hotplugged memory size must be a multiple of "
3561 "%" PRIu64
" MB", SPAPR_MEMORY_BLOCK_SIZE
/ MiB
);
3565 memdev
= object_property_get_link(OBJECT(dimm
), PC_DIMM_MEMDEV_PROP
,
3567 pagesize
= host_memory_backend_pagesize(MEMORY_BACKEND(memdev
));
3568 if (!spapr_check_pagesize(spapr
, pagesize
, errp
)) {
3572 pc_dimm_pre_plug(dimm
, MACHINE(hotplug_dev
), NULL
, errp
);
3575 struct SpaprDimmState
{
3578 QTAILQ_ENTRY(SpaprDimmState
) next
;
3581 static SpaprDimmState
*spapr_pending_dimm_unplugs_find(SpaprMachineState
*s
,
3584 SpaprDimmState
*dimm_state
= NULL
;
3586 QTAILQ_FOREACH(dimm_state
, &s
->pending_dimm_unplugs
, next
) {
3587 if (dimm_state
->dimm
== dimm
) {
3594 static SpaprDimmState
*spapr_pending_dimm_unplugs_add(SpaprMachineState
*spapr
,
3598 SpaprDimmState
*ds
= NULL
;
3601 * If this request is for a DIMM whose removal had failed earlier
3602 * (due to guest's refusal to remove the LMBs), we would have this
3603 * dimm already in the pending_dimm_unplugs list. In that
3604 * case don't add again.
3606 ds
= spapr_pending_dimm_unplugs_find(spapr
, dimm
);
3608 ds
= g_malloc0(sizeof(SpaprDimmState
));
3609 ds
->nr_lmbs
= nr_lmbs
;
3611 QTAILQ_INSERT_HEAD(&spapr
->pending_dimm_unplugs
, ds
, next
);
3616 static void spapr_pending_dimm_unplugs_remove(SpaprMachineState
*spapr
,
3617 SpaprDimmState
*dimm_state
)
3619 QTAILQ_REMOVE(&spapr
->pending_dimm_unplugs
, dimm_state
, next
);
3623 static SpaprDimmState
*spapr_recover_pending_dimm_state(SpaprMachineState
*ms
,
3627 uint64_t size
= memory_device_get_region_size(MEMORY_DEVICE(dimm
),
3629 uint32_t nr_lmbs
= size
/ SPAPR_MEMORY_BLOCK_SIZE
;
3630 uint32_t avail_lmbs
= 0;
3631 uint64_t addr_start
, addr
;
3634 addr_start
= object_property_get_uint(OBJECT(dimm
), PC_DIMM_ADDR_PROP
,
3638 for (i
= 0; i
< nr_lmbs
; i
++) {
3639 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3640 addr
/ SPAPR_MEMORY_BLOCK_SIZE
);
3645 addr
+= SPAPR_MEMORY_BLOCK_SIZE
;
3648 return spapr_pending_dimm_unplugs_add(ms
, avail_lmbs
, dimm
);
3651 void spapr_memory_unplug_rollback(SpaprMachineState
*spapr
, DeviceState
*dev
)
3657 uint64_t size
, addr_start
, addr
;
3658 g_autofree
char *qapi_error
= NULL
;
3665 dimm
= PC_DIMM(dev
);
3666 ds
= spapr_pending_dimm_unplugs_find(spapr
, dimm
);
3669 * 'ds == NULL' would mean that the DIMM doesn't have a pending
3670 * unplug state, but one of its DRC is marked as unplug_requested.
3671 * This is bad and weird enough to g_assert() out.
3675 spapr_pending_dimm_unplugs_remove(spapr
, ds
);
3677 size
= memory_device_get_region_size(MEMORY_DEVICE(dimm
), &error_abort
);
3678 nr_lmbs
= size
/ SPAPR_MEMORY_BLOCK_SIZE
;
3680 addr_start
= object_property_get_uint(OBJECT(dimm
), PC_DIMM_ADDR_PROP
,
3684 for (i
= 0; i
< nr_lmbs
; i
++) {
3685 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3686 addr
/ SPAPR_MEMORY_BLOCK_SIZE
);
3689 drc
->unplug_requested
= false;
3690 addr
+= SPAPR_MEMORY_BLOCK_SIZE
;
3694 * Tell QAPI that something happened and the memory
3695 * hotunplug wasn't successful. Keep sending
3696 * MEM_UNPLUG_ERROR even while sending
3697 * DEVICE_UNPLUG_GUEST_ERROR until the deprecation of
3698 * MEM_UNPLUG_ERROR is due.
3700 qapi_error
= g_strdup_printf("Memory hotunplug rejected by the guest "
3701 "for device %s", dev
->id
);
3703 qapi_event_send_mem_unplug_error(dev
->id
? : "", qapi_error
);
3705 qapi_event_send_device_unplug_guest_error(!!dev
->id
, dev
->id
,
3706 dev
->canonical_path
);
3709 /* Callback to be called during DRC release. */
3710 void spapr_lmb_release(DeviceState
*dev
)
3712 HotplugHandler
*hotplug_ctrl
= qdev_get_hotplug_handler(dev
);
3713 SpaprMachineState
*spapr
= SPAPR_MACHINE(hotplug_ctrl
);
3714 SpaprDimmState
*ds
= spapr_pending_dimm_unplugs_find(spapr
, PC_DIMM(dev
));
3716 /* This information will get lost if a migration occurs
3717 * during the unplug process. In this case recover it. */
3719 ds
= spapr_recover_pending_dimm_state(spapr
, PC_DIMM(dev
));
3721 /* The DRC being examined by the caller at least must be counted */
3722 g_assert(ds
->nr_lmbs
);
3725 if (--ds
->nr_lmbs
) {
3730 * Now that all the LMBs have been removed by the guest, call the
3731 * unplug handler chain. This can never fail.
3733 hotplug_handler_unplug(hotplug_ctrl
, dev
, &error_abort
);
3734 object_unparent(OBJECT(dev
));
3737 static void spapr_memory_unplug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
3739 SpaprMachineState
*spapr
= SPAPR_MACHINE(hotplug_dev
);
3740 SpaprDimmState
*ds
= spapr_pending_dimm_unplugs_find(spapr
, PC_DIMM(dev
));
3742 /* We really shouldn't get this far without anything to unplug */
3745 pc_dimm_unplug(PC_DIMM(dev
), MACHINE(hotplug_dev
));
3746 qdev_unrealize(dev
);
3747 spapr_pending_dimm_unplugs_remove(spapr
, ds
);
3750 static void spapr_memory_unplug_request(HotplugHandler
*hotplug_dev
,
3751 DeviceState
*dev
, Error
**errp
)
3753 SpaprMachineState
*spapr
= SPAPR_MACHINE(hotplug_dev
);
3754 PCDIMMDevice
*dimm
= PC_DIMM(dev
);
3756 uint64_t size
, addr_start
, addr
;
3760 if (object_dynamic_cast(OBJECT(dev
), TYPE_NVDIMM
)) {
3761 error_setg(errp
, "nvdimm device hot unplug is not supported yet.");
3765 size
= memory_device_get_region_size(MEMORY_DEVICE(dimm
), &error_abort
);
3766 nr_lmbs
= size
/ SPAPR_MEMORY_BLOCK_SIZE
;
3768 addr_start
= object_property_get_uint(OBJECT(dimm
), PC_DIMM_ADDR_PROP
,
3772 * An existing pending dimm state for this DIMM means that there is an
3773 * unplug operation in progress, waiting for the spapr_lmb_release
3774 * callback to complete the job (BQL can't cover that far). In this case,
3775 * bail out to avoid detaching DRCs that were already released.
3777 if (spapr_pending_dimm_unplugs_find(spapr
, dimm
)) {
3778 error_setg(errp
, "Memory unplug already in progress for device %s",
3783 spapr_pending_dimm_unplugs_add(spapr
, nr_lmbs
, dimm
);
3786 for (i
= 0; i
< nr_lmbs
; i
++) {
3787 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3788 addr
/ SPAPR_MEMORY_BLOCK_SIZE
);
3791 spapr_drc_unplug_request(drc
);
3792 addr
+= SPAPR_MEMORY_BLOCK_SIZE
;
3795 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_LMB
,
3796 addr_start
/ SPAPR_MEMORY_BLOCK_SIZE
);
3797 spapr_hotplug_req_remove_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB
,
3798 nr_lmbs
, spapr_drc_index(drc
));
3801 /* Callback to be called during DRC release. */
3802 void spapr_core_release(DeviceState
*dev
)
3804 HotplugHandler
*hotplug_ctrl
= qdev_get_hotplug_handler(dev
);
3806 /* Call the unplug handler chain. This can never fail. */
3807 hotplug_handler_unplug(hotplug_ctrl
, dev
, &error_abort
);
3808 object_unparent(OBJECT(dev
));
3811 static void spapr_core_unplug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
3813 MachineState
*ms
= MACHINE(hotplug_dev
);
3814 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(ms
);
3815 CPUCore
*cc
= CPU_CORE(dev
);
3816 CPUArchId
*core_slot
= spapr_find_cpu_slot(ms
, cc
->core_id
, NULL
);
3818 if (smc
->pre_2_10_has_unused_icps
) {
3819 SpaprCpuCore
*sc
= SPAPR_CPU_CORE(OBJECT(dev
));
3822 for (i
= 0; i
< cc
->nr_threads
; i
++) {
3823 CPUState
*cs
= CPU(sc
->threads
[i
]);
3825 pre_2_10_vmstate_register_dummy_icp(cs
->cpu_index
);
3830 core_slot
->cpu
= NULL
;
3831 qdev_unrealize(dev
);
3835 void spapr_core_unplug_request(HotplugHandler
*hotplug_dev
, DeviceState
*dev
,
3838 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
3841 CPUCore
*cc
= CPU_CORE(dev
);
3843 if (!spapr_find_cpu_slot(MACHINE(hotplug_dev
), cc
->core_id
, &index
)) {
3844 error_setg(errp
, "Unable to find CPU core with core-id: %d",
3849 error_setg(errp
, "Boot CPU core may not be unplugged");
3853 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_CPU
,
3854 spapr_vcpu_id(spapr
, cc
->core_id
));
3857 if (!spapr_drc_unplug_requested(drc
)) {
3858 spapr_drc_unplug_request(drc
);
3862 * spapr_hotplug_req_remove_by_index is left unguarded, out of the
3863 * "!spapr_drc_unplug_requested" check, to allow for multiple IRQ
3864 * pulses removing the same CPU. Otherwise, in an failed hotunplug
3865 * attempt (e.g. the kernel will refuse to remove the last online
3866 * CPU), we will never attempt it again because unplug_requested
3867 * will still be 'true' in that case.
3869 spapr_hotplug_req_remove_by_index(drc
);
3872 int spapr_core_dt_populate(SpaprDrc
*drc
, SpaprMachineState
*spapr
,
3873 void *fdt
, int *fdt_start_offset
, Error
**errp
)
3875 SpaprCpuCore
*core
= SPAPR_CPU_CORE(drc
->dev
);
3876 CPUState
*cs
= CPU(core
->threads
[0]);
3877 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
3878 DeviceClass
*dc
= DEVICE_GET_CLASS(cs
);
3879 int id
= spapr_get_vcpu_id(cpu
);
3880 g_autofree
char *nodename
= NULL
;
3883 nodename
= g_strdup_printf("%s@%x", dc
->fw_name
, id
);
3884 offset
= fdt_add_subnode(fdt
, 0, nodename
);
3886 spapr_dt_cpu(cs
, fdt
, offset
, spapr
);
3889 * spapr_dt_cpu() does not fill the 'name' property in the
3890 * CPU node. The function is called during boot process, before
3891 * and after CAS, and overwriting the 'name' property written
3892 * by SLOF is not allowed.
3894 * Write it manually after spapr_dt_cpu(). This makes the hotplug
3895 * CPUs more compatible with the coldplugged ones, which have
3896 * the 'name' property. Linux Kernel also relies on this
3897 * property to identify CPU nodes.
3899 _FDT((fdt_setprop_string(fdt
, offset
, "name", nodename
)));
3901 *fdt_start_offset
= offset
;
3905 static void spapr_core_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
3907 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
3908 MachineClass
*mc
= MACHINE_GET_CLASS(spapr
);
3909 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
3910 SpaprCpuCore
*core
= SPAPR_CPU_CORE(OBJECT(dev
));
3911 CPUCore
*cc
= CPU_CORE(dev
);
3914 CPUArchId
*core_slot
;
3916 bool hotplugged
= spapr_drc_hotplugged(dev
);
3919 core_slot
= spapr_find_cpu_slot(MACHINE(hotplug_dev
), cc
->core_id
, &index
);
3920 g_assert(core_slot
); /* Already checked in spapr_core_pre_plug() */
3922 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_CPU
,
3923 spapr_vcpu_id(spapr
, cc
->core_id
));
3925 g_assert(drc
|| !mc
->has_hotpluggable_cpus
);
3929 * spapr_core_pre_plug() already buys us this is a brand new
3930 * core being plugged into a free slot. Nothing should already
3931 * be attached to the corresponding DRC.
3933 spapr_drc_attach(drc
, dev
);
3937 * Send hotplug notification interrupt to the guest only
3938 * in case of hotplugged CPUs.
3940 spapr_hotplug_req_add_by_index(drc
);
3942 spapr_drc_reset(drc
);
3946 core_slot
->cpu
= OBJECT(dev
);
3949 * Set compatibility mode to match the boot CPU, which was either set
3950 * by the machine reset code or by CAS. This really shouldn't fail at
3954 for (i
= 0; i
< cc
->nr_threads
; i
++) {
3955 ppc_set_compat(core
->threads
[i
], POWERPC_CPU(first_cpu
)->compat_pvr
,
3960 if (smc
->pre_2_10_has_unused_icps
) {
3961 for (i
= 0; i
< cc
->nr_threads
; i
++) {
3962 cs
= CPU(core
->threads
[i
]);
3963 pre_2_10_vmstate_unregister_dummy_icp(cs
->cpu_index
);
3968 static void spapr_core_pre_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
,
3971 MachineState
*machine
= MACHINE(OBJECT(hotplug_dev
));
3972 MachineClass
*mc
= MACHINE_GET_CLASS(hotplug_dev
);
3973 CPUCore
*cc
= CPU_CORE(dev
);
3974 const char *base_core_type
= spapr_get_cpu_core_type(machine
->cpu_type
);
3975 const char *type
= object_get_typename(OBJECT(dev
));
3976 CPUArchId
*core_slot
;
3978 unsigned int smp_threads
= machine
->smp
.threads
;
3980 if (dev
->hotplugged
&& !mc
->has_hotpluggable_cpus
) {
3981 error_setg(errp
, "CPU hotplug not supported for this machine");
3985 if (strcmp(base_core_type
, type
)) {
3986 error_setg(errp
, "CPU core type should be %s", base_core_type
);
3990 if (cc
->core_id
% smp_threads
) {
3991 error_setg(errp
, "invalid core id %d", cc
->core_id
);
3996 * In general we should have homogeneous threads-per-core, but old
3997 * (pre hotplug support) machine types allow the last core to have
3998 * reduced threads as a compatibility hack for when we allowed
3999 * total vcpus not a multiple of threads-per-core.
4001 if (mc
->has_hotpluggable_cpus
&& (cc
->nr_threads
!= smp_threads
)) {
4002 error_setg(errp
, "invalid nr-threads %d, must be %d", cc
->nr_threads
,
4007 core_slot
= spapr_find_cpu_slot(MACHINE(hotplug_dev
), cc
->core_id
, &index
);
4009 error_setg(errp
, "core id %d out of range", cc
->core_id
);
4013 if (core_slot
->cpu
) {
4014 error_setg(errp
, "core %d already populated", cc
->core_id
);
4018 numa_cpu_pre_plug(core_slot
, dev
, errp
);
4021 int spapr_phb_dt_populate(SpaprDrc
*drc
, SpaprMachineState
*spapr
,
4022 void *fdt
, int *fdt_start_offset
, Error
**errp
)
4024 SpaprPhbState
*sphb
= SPAPR_PCI_HOST_BRIDGE(drc
->dev
);
4027 intc_phandle
= spapr_irq_get_phandle(spapr
, spapr
->fdt_blob
, errp
);
4028 if (intc_phandle
<= 0) {
4032 if (spapr_dt_phb(spapr
, sphb
, intc_phandle
, fdt
, fdt_start_offset
)) {
4033 error_setg(errp
, "unable to create FDT node for PHB %d", sphb
->index
);
4037 /* generally SLOF creates these, for hotplug it's up to QEMU */
4038 _FDT(fdt_setprop_string(fdt
, *fdt_start_offset
, "name", "pci"));
4043 static bool spapr_phb_pre_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
,
4046 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4047 SpaprPhbState
*sphb
= SPAPR_PCI_HOST_BRIDGE(dev
);
4048 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
4049 const unsigned windows_supported
= spapr_phb_windows_supported(sphb
);
4052 if (dev
->hotplugged
&& !smc
->dr_phb_enabled
) {
4053 error_setg(errp
, "PHB hotplug not supported for this machine");
4057 if (sphb
->index
== (uint32_t)-1) {
4058 error_setg(errp
, "\"index\" for PAPR PHB is mandatory");
4062 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_PHB
, sphb
->index
);
4063 if (drc
&& drc
->dev
) {
4064 error_setg(errp
, "PHB %d already attached", sphb
->index
);
4069 * This will check that sphb->index doesn't exceed the maximum number of
4070 * PHBs for the current machine type.
4073 smc
->phb_placement(spapr
, sphb
->index
,
4074 &sphb
->buid
, &sphb
->io_win_addr
,
4075 &sphb
->mem_win_addr
, &sphb
->mem64_win_addr
,
4076 windows_supported
, sphb
->dma_liobn
,
4077 &sphb
->nv2_gpa_win_addr
, &sphb
->nv2_atsd_win_addr
,
4081 static void spapr_phb_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
4083 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4084 SpaprMachineClass
*smc
= SPAPR_MACHINE_GET_CLASS(spapr
);
4085 SpaprPhbState
*sphb
= SPAPR_PCI_HOST_BRIDGE(dev
);
4087 bool hotplugged
= spapr_drc_hotplugged(dev
);
4089 if (!smc
->dr_phb_enabled
) {
4093 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_PHB
, sphb
->index
);
4094 /* hotplug hooks should check it's enabled before getting this far */
4097 /* spapr_phb_pre_plug() already checked the DRC is attachable */
4098 spapr_drc_attach(drc
, dev
);
4101 spapr_hotplug_req_add_by_index(drc
);
4103 spapr_drc_reset(drc
);
4107 void spapr_phb_release(DeviceState
*dev
)
4109 HotplugHandler
*hotplug_ctrl
= qdev_get_hotplug_handler(dev
);
4111 hotplug_handler_unplug(hotplug_ctrl
, dev
, &error_abort
);
4112 object_unparent(OBJECT(dev
));
4115 static void spapr_phb_unplug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
4117 qdev_unrealize(dev
);
4120 static void spapr_phb_unplug_request(HotplugHandler
*hotplug_dev
,
4121 DeviceState
*dev
, Error
**errp
)
4123 SpaprPhbState
*sphb
= SPAPR_PCI_HOST_BRIDGE(dev
);
4126 drc
= spapr_drc_by_id(TYPE_SPAPR_DRC_PHB
, sphb
->index
);
4129 if (!spapr_drc_unplug_requested(drc
)) {
4130 spapr_drc_unplug_request(drc
);
4131 spapr_hotplug_req_remove_by_index(drc
);
4134 "PCI Host Bridge unplug already in progress for device %s",
4140 bool spapr_tpm_proxy_pre_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
,
4143 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4145 if (spapr
->tpm_proxy
!= NULL
) {
4146 error_setg(errp
, "Only one TPM proxy can be specified for this machine");
4153 static void spapr_tpm_proxy_plug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
4155 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4156 SpaprTpmProxy
*tpm_proxy
= SPAPR_TPM_PROXY(dev
);
4158 /* Already checked in spapr_tpm_proxy_pre_plug() */
4159 g_assert(spapr
->tpm_proxy
== NULL
);
4161 spapr
->tpm_proxy
= tpm_proxy
;
4164 static void spapr_tpm_proxy_unplug(HotplugHandler
*hotplug_dev
, DeviceState
*dev
)
4166 SpaprMachineState
*spapr
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4168 qdev_unrealize(dev
);
4169 object_unparent(OBJECT(dev
));
4170 spapr
->tpm_proxy
= NULL
;
4173 static void spapr_machine_device_plug(HotplugHandler
*hotplug_dev
,
4174 DeviceState
*dev
, Error
**errp
)
4176 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
4177 spapr_memory_plug(hotplug_dev
, dev
);
4178 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_CPU_CORE
)) {
4179 spapr_core_plug(hotplug_dev
, dev
);
4180 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_PCI_HOST_BRIDGE
)) {
4181 spapr_phb_plug(hotplug_dev
, dev
);
4182 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_TPM_PROXY
)) {
4183 spapr_tpm_proxy_plug(hotplug_dev
, dev
);
4187 static void spapr_machine_device_unplug(HotplugHandler
*hotplug_dev
,
4188 DeviceState
*dev
, Error
**errp
)
4190 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
4191 spapr_memory_unplug(hotplug_dev
, dev
);
4192 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_CPU_CORE
)) {
4193 spapr_core_unplug(hotplug_dev
, dev
);
4194 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_PCI_HOST_BRIDGE
)) {
4195 spapr_phb_unplug(hotplug_dev
, dev
);
4196 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_TPM_PROXY
)) {
4197 spapr_tpm_proxy_unplug(hotplug_dev
, dev
);
4201 bool spapr_memory_hot_unplug_supported(SpaprMachineState
*spapr
)
4203 return spapr_ovec_test(spapr
->ov5_cas
, OV5_HP_EVT
) ||
4205 * CAS will process all pending unplug requests.
4207 * HACK: a guest could theoretically have cleared all bits in OV5,
4208 * but none of the guests we care for do.
4210 spapr_ovec_empty(spapr
->ov5_cas
);
4213 static void spapr_machine_device_unplug_request(HotplugHandler
*hotplug_dev
,
4214 DeviceState
*dev
, Error
**errp
)
4216 SpaprMachineState
*sms
= SPAPR_MACHINE(OBJECT(hotplug_dev
));
4217 MachineClass
*mc
= MACHINE_GET_CLASS(sms
);
4218 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4220 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
4221 if (spapr_memory_hot_unplug_supported(sms
)) {
4222 spapr_memory_unplug_request(hotplug_dev
, dev
, errp
);
4224 error_setg(errp
, "Memory hot unplug not supported for this guest");
4226 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_CPU_CORE
)) {
4227 if (!mc
->has_hotpluggable_cpus
) {
4228 error_setg(errp
, "CPU hot unplug not supported on this machine");
4231 spapr_core_unplug_request(hotplug_dev
, dev
, errp
);
4232 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_PCI_HOST_BRIDGE
)) {
4233 if (!smc
->dr_phb_enabled
) {
4234 error_setg(errp
, "PHB hot unplug not supported on this machine");
4237 spapr_phb_unplug_request(hotplug_dev
, dev
, errp
);
4238 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_TPM_PROXY
)) {
4239 spapr_tpm_proxy_unplug(hotplug_dev
, dev
);
4243 static void spapr_machine_device_pre_plug(HotplugHandler
*hotplug_dev
,
4244 DeviceState
*dev
, Error
**errp
)
4246 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
4247 spapr_memory_pre_plug(hotplug_dev
, dev
, errp
);
4248 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_CPU_CORE
)) {
4249 spapr_core_pre_plug(hotplug_dev
, dev
, errp
);
4250 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_PCI_HOST_BRIDGE
)) {
4251 spapr_phb_pre_plug(hotplug_dev
, dev
, errp
);
4252 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_TPM_PROXY
)) {
4253 spapr_tpm_proxy_pre_plug(hotplug_dev
, dev
, errp
);
4257 static HotplugHandler
*spapr_get_hotplug_handler(MachineState
*machine
,
4260 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
) ||
4261 object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_CPU_CORE
) ||
4262 object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_PCI_HOST_BRIDGE
) ||
4263 object_dynamic_cast(OBJECT(dev
), TYPE_SPAPR_TPM_PROXY
)) {
4264 return HOTPLUG_HANDLER(machine
);
4266 if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
4267 PCIDevice
*pcidev
= PCI_DEVICE(dev
);
4268 PCIBus
*root
= pci_device_root_bus(pcidev
);
4269 SpaprPhbState
*phb
=
4270 (SpaprPhbState
*)object_dynamic_cast(OBJECT(BUS(root
)->parent
),
4271 TYPE_SPAPR_PCI_HOST_BRIDGE
);
4274 return HOTPLUG_HANDLER(phb
);
4280 static CpuInstanceProperties
4281 spapr_cpu_index_to_props(MachineState
*machine
, unsigned cpu_index
)
4283 CPUArchId
*core_slot
;
4284 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
4286 /* make sure possible_cpu are intialized */
4287 mc
->possible_cpu_arch_ids(machine
);
4288 /* get CPU core slot containing thread that matches cpu_index */
4289 core_slot
= spapr_find_cpu_slot(machine
, cpu_index
, NULL
);
4291 return core_slot
->props
;
4294 static int64_t spapr_get_default_cpu_node_id(const MachineState
*ms
, int idx
)
4296 return idx
/ ms
->smp
.cores
% ms
->numa_state
->num_nodes
;
4299 static const CPUArchIdList
*spapr_possible_cpu_arch_ids(MachineState
*machine
)
4302 unsigned int smp_threads
= machine
->smp
.threads
;
4303 unsigned int smp_cpus
= machine
->smp
.cpus
;
4304 const char *core_type
;
4305 int spapr_max_cores
= machine
->smp
.max_cpus
/ smp_threads
;
4306 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
4308 if (!mc
->has_hotpluggable_cpus
) {
4309 spapr_max_cores
= QEMU_ALIGN_UP(smp_cpus
, smp_threads
) / smp_threads
;
4311 if (machine
->possible_cpus
) {
4312 assert(machine
->possible_cpus
->len
== spapr_max_cores
);
4313 return machine
->possible_cpus
;
4316 core_type
= spapr_get_cpu_core_type(machine
->cpu_type
);
4318 error_report("Unable to find sPAPR CPU Core definition");
4322 machine
->possible_cpus
= g_malloc0(sizeof(CPUArchIdList
) +
4323 sizeof(CPUArchId
) * spapr_max_cores
);
4324 machine
->possible_cpus
->len
= spapr_max_cores
;
4325 for (i
= 0; i
< machine
->possible_cpus
->len
; i
++) {
4326 int core_id
= i
* smp_threads
;
4328 machine
->possible_cpus
->cpus
[i
].type
= core_type
;
4329 machine
->possible_cpus
->cpus
[i
].vcpus_count
= smp_threads
;
4330 machine
->possible_cpus
->cpus
[i
].arch_id
= core_id
;
4331 machine
->possible_cpus
->cpus
[i
].props
.has_core_id
= true;
4332 machine
->possible_cpus
->cpus
[i
].props
.core_id
= core_id
;
4334 return machine
->possible_cpus
;
4337 static bool spapr_phb_placement(SpaprMachineState
*spapr
, uint32_t index
,
4338 uint64_t *buid
, hwaddr
*pio
,
4339 hwaddr
*mmio32
, hwaddr
*mmio64
,
4340 unsigned n_dma
, uint32_t *liobns
,
4341 hwaddr
*nv2gpa
, hwaddr
*nv2atsd
, Error
**errp
)
4344 * New-style PHB window placement.
4346 * Goals: Gives large (1TiB), naturally aligned 64-bit MMIO window
4347 * for each PHB, in addition to 2GiB 32-bit MMIO and 64kiB PIO
4350 * Some guest kernels can't work with MMIO windows above 1<<46
4351 * (64TiB), so we place up to 31 PHBs in the area 32TiB..64TiB
4353 * 32TiB..(33TiB+1984kiB) contains the 64kiB PIO windows for each
4354 * PHB stacked together. (32TiB+2GiB)..(32TiB+64GiB) contains the
4355 * 2GiB 32-bit MMIO windows for each PHB. Then 33..64TiB has the
4356 * 1TiB 64-bit MMIO windows for each PHB.
4358 const uint64_t base_buid
= 0x800000020000000ULL
;
4361 /* Sanity check natural alignments */
4362 QEMU_BUILD_BUG_ON((SPAPR_PCI_BASE
% SPAPR_PCI_MEM64_WIN_SIZE
) != 0);
4363 QEMU_BUILD_BUG_ON((SPAPR_PCI_LIMIT
% SPAPR_PCI_MEM64_WIN_SIZE
) != 0);
4364 QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM64_WIN_SIZE
% SPAPR_PCI_MEM32_WIN_SIZE
) != 0);
4365 QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM32_WIN_SIZE
% SPAPR_PCI_IO_WIN_SIZE
) != 0);
4366 /* Sanity check bounds */
4367 QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS
* SPAPR_PCI_IO_WIN_SIZE
) >
4368 SPAPR_PCI_MEM32_WIN_SIZE
);
4369 QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS
* SPAPR_PCI_MEM32_WIN_SIZE
) >
4370 SPAPR_PCI_MEM64_WIN_SIZE
);
4372 if (index
>= SPAPR_MAX_PHBS
) {
4373 error_setg(errp
, "\"index\" for PAPR PHB is too large (max %llu)",
4374 SPAPR_MAX_PHBS
- 1);
4378 *buid
= base_buid
+ index
;
4379 for (i
= 0; i
< n_dma
; ++i
) {
4380 liobns
[i
] = SPAPR_PCI_LIOBN(index
, i
);
4383 *pio
= SPAPR_PCI_BASE
+ index
* SPAPR_PCI_IO_WIN_SIZE
;
4384 *mmio32
= SPAPR_PCI_BASE
+ (index
+ 1) * SPAPR_PCI_MEM32_WIN_SIZE
;
4385 *mmio64
= SPAPR_PCI_BASE
+ (index
+ 1) * SPAPR_PCI_MEM64_WIN_SIZE
;
4387 *nv2gpa
= SPAPR_PCI_NV2RAM64_WIN_BASE
+ index
* SPAPR_PCI_NV2RAM64_WIN_SIZE
;
4388 *nv2atsd
= SPAPR_PCI_NV2ATSD_WIN_BASE
+ index
* SPAPR_PCI_NV2ATSD_WIN_SIZE
;
4392 static ICSState
*spapr_ics_get(XICSFabric
*dev
, int irq
)
4394 SpaprMachineState
*spapr
= SPAPR_MACHINE(dev
);
4396 return ics_valid_irq(spapr
->ics
, irq
) ? spapr
->ics
: NULL
;
4399 static void spapr_ics_resend(XICSFabric
*dev
)
4401 SpaprMachineState
*spapr
= SPAPR_MACHINE(dev
);
4403 ics_resend(spapr
->ics
);
4406 static ICPState
*spapr_icp_get(XICSFabric
*xi
, int vcpu_id
)
4408 PowerPCCPU
*cpu
= spapr_find_cpu(vcpu_id
);
4410 return cpu
? spapr_cpu_state(cpu
)->icp
: NULL
;
4413 static void spapr_pic_print_info(InterruptStatsProvider
*obj
,
4416 SpaprMachineState
*spapr
= SPAPR_MACHINE(obj
);
4418 spapr_irq_print_info(spapr
, mon
);
4419 monitor_printf(mon
, "irqchip: %s\n",
4420 kvm_irqchip_in_kernel() ? "in-kernel" : "emulated");
4424 * This is a XIVE only operation
4426 static int spapr_match_nvt(XiveFabric
*xfb
, uint8_t format
,
4427 uint8_t nvt_blk
, uint32_t nvt_idx
,
4428 bool cam_ignore
, uint8_t priority
,
4429 uint32_t logic_serv
, XiveTCTXMatch
*match
)
4431 SpaprMachineState
*spapr
= SPAPR_MACHINE(xfb
);
4432 XivePresenter
*xptr
= XIVE_PRESENTER(spapr
->active_intc
);
4433 XivePresenterClass
*xpc
= XIVE_PRESENTER_GET_CLASS(xptr
);
4436 count
= xpc
->match_nvt(xptr
, format
, nvt_blk
, nvt_idx
, cam_ignore
,
4437 priority
, logic_serv
, match
);
4443 * When we implement the save and restore of the thread interrupt
4444 * contexts in the enter/exit CPU handlers of the machine and the
4445 * escalations in QEMU, we should be able to handle non dispatched
4448 * Until this is done, the sPAPR machine should find at least one
4449 * matching context always.
4452 qemu_log_mask(LOG_GUEST_ERROR
, "XIVE: NVT %x/%x is not dispatched\n",
4459 int spapr_get_vcpu_id(PowerPCCPU
*cpu
)
4461 return cpu
->vcpu_id
;
4464 bool spapr_set_vcpu_id(PowerPCCPU
*cpu
, int cpu_index
, Error
**errp
)
4466 SpaprMachineState
*spapr
= SPAPR_MACHINE(qdev_get_machine());
4467 MachineState
*ms
= MACHINE(spapr
);
4470 vcpu_id
= spapr_vcpu_id(spapr
, cpu_index
);
4472 if (kvm_enabled() && !kvm_vcpu_id_is_valid(vcpu_id
)) {
4473 error_setg(errp
, "Can't create CPU with id %d in KVM", vcpu_id
);
4474 error_append_hint(errp
, "Adjust the number of cpus to %d "
4475 "or try to raise the number of threads per core\n",
4476 vcpu_id
* ms
->smp
.threads
/ spapr
->vsmt
);
4480 cpu
->vcpu_id
= vcpu_id
;
4484 PowerPCCPU
*spapr_find_cpu(int vcpu_id
)
4489 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
4491 if (spapr_get_vcpu_id(cpu
) == vcpu_id
) {
4499 static bool spapr_cpu_in_nested(PowerPCCPU
*cpu
)
4501 SpaprCpuState
*spapr_cpu
= spapr_cpu_state(cpu
);
4503 return spapr_cpu
->in_nested
;
4506 static void spapr_cpu_exec_enter(PPCVirtualHypervisor
*vhyp
, PowerPCCPU
*cpu
)
4508 SpaprCpuState
*spapr_cpu
= spapr_cpu_state(cpu
);
4510 /* These are only called by TCG, KVM maintains dispatch state */
4512 spapr_cpu
->prod
= false;
4513 if (spapr_cpu
->vpa_addr
) {
4514 CPUState
*cs
= CPU(cpu
);
4517 dispatch
= ldl_be_phys(cs
->as
,
4518 spapr_cpu
->vpa_addr
+ VPA_DISPATCH_COUNTER
);
4520 if ((dispatch
& 1) != 0) {
4521 qemu_log_mask(LOG_GUEST_ERROR
,
4522 "VPA: incorrect dispatch counter value for "
4523 "dispatched partition %u, correcting.\n", dispatch
);
4527 spapr_cpu
->vpa_addr
+ VPA_DISPATCH_COUNTER
, dispatch
);
4531 static void spapr_cpu_exec_exit(PPCVirtualHypervisor
*vhyp
, PowerPCCPU
*cpu
)
4533 SpaprCpuState
*spapr_cpu
= spapr_cpu_state(cpu
);
4535 if (spapr_cpu
->vpa_addr
) {
4536 CPUState
*cs
= CPU(cpu
);
4539 dispatch
= ldl_be_phys(cs
->as
,
4540 spapr_cpu
->vpa_addr
+ VPA_DISPATCH_COUNTER
);
4542 if ((dispatch
& 1) != 1) {
4543 qemu_log_mask(LOG_GUEST_ERROR
,
4544 "VPA: incorrect dispatch counter value for "
4545 "preempted partition %u, correcting.\n", dispatch
);
4549 spapr_cpu
->vpa_addr
+ VPA_DISPATCH_COUNTER
, dispatch
);
4553 static void spapr_machine_class_init(ObjectClass
*oc
, void *data
)
4555 MachineClass
*mc
= MACHINE_CLASS(oc
);
4556 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(oc
);
4557 FWPathProviderClass
*fwc
= FW_PATH_PROVIDER_CLASS(oc
);
4558 NMIClass
*nc
= NMI_CLASS(oc
);
4559 HotplugHandlerClass
*hc
= HOTPLUG_HANDLER_CLASS(oc
);
4560 PPCVirtualHypervisorClass
*vhc
= PPC_VIRTUAL_HYPERVISOR_CLASS(oc
);
4561 XICSFabricClass
*xic
= XICS_FABRIC_CLASS(oc
);
4562 InterruptStatsProviderClass
*ispc
= INTERRUPT_STATS_PROVIDER_CLASS(oc
);
4563 XiveFabricClass
*xfc
= XIVE_FABRIC_CLASS(oc
);
4564 VofMachineIfClass
*vmc
= VOF_MACHINE_CLASS(oc
);
4566 mc
->desc
= "pSeries Logical Partition (PAPR compliant)";
4567 mc
->ignore_boot_device_suffixes
= true;
4570 * We set up the default / latest behaviour here. The class_init
4571 * functions for the specific versioned machine types can override
4572 * these details for backwards compatibility
4574 mc
->init
= spapr_machine_init
;
4575 mc
->reset
= spapr_machine_reset
;
4576 mc
->block_default_type
= IF_SCSI
;
4579 * Setting max_cpus to INT32_MAX. Both KVM and TCG max_cpus values
4580 * should be limited by the host capability instead of hardcoded.
4581 * max_cpus for KVM guests will be checked in kvm_init(), and TCG
4582 * guests are welcome to have as many CPUs as the host are capable
4585 mc
->max_cpus
= INT32_MAX
;
4587 mc
->no_parallel
= 1;
4588 mc
->default_boot_order
= "";
4589 mc
->default_ram_size
= 512 * MiB
;
4590 mc
->default_ram_id
= "ppc_spapr.ram";
4591 mc
->default_display
= "std";
4592 mc
->kvm_type
= spapr_kvm_type
;
4593 machine_class_allow_dynamic_sysbus_dev(mc
, TYPE_SPAPR_PCI_HOST_BRIDGE
);
4594 mc
->pci_allow_0_address
= true;
4595 assert(!mc
->get_hotplug_handler
);
4596 mc
->get_hotplug_handler
= spapr_get_hotplug_handler
;
4597 hc
->pre_plug
= spapr_machine_device_pre_plug
;
4598 hc
->plug
= spapr_machine_device_plug
;
4599 mc
->cpu_index_to_instance_props
= spapr_cpu_index_to_props
;
4600 mc
->get_default_cpu_node_id
= spapr_get_default_cpu_node_id
;
4601 mc
->possible_cpu_arch_ids
= spapr_possible_cpu_arch_ids
;
4602 hc
->unplug_request
= spapr_machine_device_unplug_request
;
4603 hc
->unplug
= spapr_machine_device_unplug
;
4605 smc
->dr_lmb_enabled
= true;
4606 smc
->update_dt_enabled
= true;
4607 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power9_v2.0");
4608 mc
->has_hotpluggable_cpus
= true;
4609 mc
->nvdimm_supported
= true;
4610 smc
->resize_hpt_default
= SPAPR_RESIZE_HPT_ENABLED
;
4611 fwc
->get_dev_path
= spapr_get_fw_dev_path
;
4612 nc
->nmi_monitor_handler
= spapr_nmi
;
4613 smc
->phb_placement
= spapr_phb_placement
;
4614 vhc
->cpu_in_nested
= spapr_cpu_in_nested
;
4615 vhc
->deliver_hv_excp
= spapr_exit_nested
;
4616 vhc
->hypercall
= emulate_spapr_hypercall
;
4617 vhc
->hpt_mask
= spapr_hpt_mask
;
4618 vhc
->map_hptes
= spapr_map_hptes
;
4619 vhc
->unmap_hptes
= spapr_unmap_hptes
;
4620 vhc
->hpte_set_c
= spapr_hpte_set_c
;
4621 vhc
->hpte_set_r
= spapr_hpte_set_r
;
4622 vhc
->get_pate
= spapr_get_pate
;
4623 vhc
->encode_hpt_for_kvm_pr
= spapr_encode_hpt_for_kvm_pr
;
4624 vhc
->cpu_exec_enter
= spapr_cpu_exec_enter
;
4625 vhc
->cpu_exec_exit
= spapr_cpu_exec_exit
;
4626 xic
->ics_get
= spapr_ics_get
;
4627 xic
->ics_resend
= spapr_ics_resend
;
4628 xic
->icp_get
= spapr_icp_get
;
4629 ispc
->print_info
= spapr_pic_print_info
;
4630 /* Force NUMA node memory size to be a multiple of
4631 * SPAPR_MEMORY_BLOCK_SIZE (256M) since that's the granularity
4632 * in which LMBs are represented and hot-added
4634 mc
->numa_mem_align_shift
= 28;
4635 mc
->auto_enable_numa
= true;
4637 smc
->default_caps
.caps
[SPAPR_CAP_HTM
] = SPAPR_CAP_OFF
;
4638 smc
->default_caps
.caps
[SPAPR_CAP_VSX
] = SPAPR_CAP_ON
;
4639 smc
->default_caps
.caps
[SPAPR_CAP_DFP
] = SPAPR_CAP_ON
;
4640 smc
->default_caps
.caps
[SPAPR_CAP_CFPC
] = SPAPR_CAP_WORKAROUND
;
4641 smc
->default_caps
.caps
[SPAPR_CAP_SBBC
] = SPAPR_CAP_WORKAROUND
;
4642 smc
->default_caps
.caps
[SPAPR_CAP_IBS
] = SPAPR_CAP_WORKAROUND
;
4643 smc
->default_caps
.caps
[SPAPR_CAP_HPT_MAXPAGESIZE
] = 16; /* 64kiB */
4644 smc
->default_caps
.caps
[SPAPR_CAP_NESTED_KVM_HV
] = SPAPR_CAP_OFF
;
4645 smc
->default_caps
.caps
[SPAPR_CAP_LARGE_DECREMENTER
] = SPAPR_CAP_ON
;
4646 smc
->default_caps
.caps
[SPAPR_CAP_CCF_ASSIST
] = SPAPR_CAP_ON
;
4647 smc
->default_caps
.caps
[SPAPR_CAP_FWNMI
] = SPAPR_CAP_ON
;
4648 smc
->default_caps
.caps
[SPAPR_CAP_RPT_INVALIDATE
] = SPAPR_CAP_OFF
;
4649 spapr_caps_add_properties(smc
);
4650 smc
->irq
= &spapr_irq_dual
;
4651 smc
->dr_phb_enabled
= true;
4652 smc
->linux_pci_probe
= true;
4653 smc
->smp_threads_vsmt
= true;
4654 smc
->nr_xirqs
= SPAPR_NR_XIRQS
;
4655 xfc
->match_nvt
= spapr_match_nvt
;
4656 vmc
->client_architecture_support
= spapr_vof_client_architecture_support
;
4657 vmc
->quiesce
= spapr_vof_quiesce
;
4658 vmc
->setprop
= spapr_vof_setprop
;
4661 static const TypeInfo spapr_machine_info
= {
4662 .name
= TYPE_SPAPR_MACHINE
,
4663 .parent
= TYPE_MACHINE
,
4665 .instance_size
= sizeof(SpaprMachineState
),
4666 .instance_init
= spapr_instance_init
,
4667 .instance_finalize
= spapr_machine_finalizefn
,
4668 .class_size
= sizeof(SpaprMachineClass
),
4669 .class_init
= spapr_machine_class_init
,
4670 .interfaces
= (InterfaceInfo
[]) {
4671 { TYPE_FW_PATH_PROVIDER
},
4673 { TYPE_HOTPLUG_HANDLER
},
4674 { TYPE_PPC_VIRTUAL_HYPERVISOR
},
4675 { TYPE_XICS_FABRIC
},
4676 { TYPE_INTERRUPT_STATS_PROVIDER
},
4677 { TYPE_XIVE_FABRIC
},
4678 { TYPE_VOF_MACHINE_IF
},
4683 static void spapr_machine_latest_class_options(MachineClass
*mc
)
4685 mc
->alias
= "pseries";
4686 mc
->is_default
= true;
4689 #define DEFINE_SPAPR_MACHINE(suffix, verstr, latest) \
4690 static void spapr_machine_##suffix##_class_init(ObjectClass *oc, \
4693 MachineClass *mc = MACHINE_CLASS(oc); \
4694 spapr_machine_##suffix##_class_options(mc); \
4696 spapr_machine_latest_class_options(mc); \
4699 static const TypeInfo spapr_machine_##suffix##_info = { \
4700 .name = MACHINE_TYPE_NAME("pseries-" verstr), \
4701 .parent = TYPE_SPAPR_MACHINE, \
4702 .class_init = spapr_machine_##suffix##_class_init, \
4704 static void spapr_machine_register_##suffix(void) \
4706 type_register(&spapr_machine_##suffix##_info); \
4708 type_init(spapr_machine_register_##suffix)
4713 static void spapr_machine_7_0_class_options(MachineClass
*mc
)
4715 /* Defaults for the latest behaviour inherited from the base class */
4718 DEFINE_SPAPR_MACHINE(7_0
, "7.0", true);
4723 static void spapr_machine_6_2_class_options(MachineClass
*mc
)
4725 spapr_machine_7_0_class_options(mc
);
4726 compat_props_add(mc
->compat_props
, hw_compat_6_2
, hw_compat_6_2_len
);
4729 DEFINE_SPAPR_MACHINE(6_2
, "6.2", false);
4734 static void spapr_machine_6_1_class_options(MachineClass
*mc
)
4736 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4738 spapr_machine_6_2_class_options(mc
);
4739 compat_props_add(mc
->compat_props
, hw_compat_6_1
, hw_compat_6_1_len
);
4740 smc
->pre_6_2_numa_affinity
= true;
4741 mc
->smp_props
.prefer_sockets
= true;
4744 DEFINE_SPAPR_MACHINE(6_1
, "6.1", false);
4749 static void spapr_machine_6_0_class_options(MachineClass
*mc
)
4751 spapr_machine_6_1_class_options(mc
);
4752 compat_props_add(mc
->compat_props
, hw_compat_6_0
, hw_compat_6_0_len
);
4755 DEFINE_SPAPR_MACHINE(6_0
, "6.0", false);
4760 static void spapr_machine_5_2_class_options(MachineClass
*mc
)
4762 spapr_machine_6_0_class_options(mc
);
4763 compat_props_add(mc
->compat_props
, hw_compat_5_2
, hw_compat_5_2_len
);
4766 DEFINE_SPAPR_MACHINE(5_2
, "5.2", false);
4771 static void spapr_machine_5_1_class_options(MachineClass
*mc
)
4773 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4775 spapr_machine_5_2_class_options(mc
);
4776 compat_props_add(mc
->compat_props
, hw_compat_5_1
, hw_compat_5_1_len
);
4777 smc
->pre_5_2_numa_associativity
= true;
4780 DEFINE_SPAPR_MACHINE(5_1
, "5.1", false);
4785 static void spapr_machine_5_0_class_options(MachineClass
*mc
)
4787 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4788 static GlobalProperty compat
[] = {
4789 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "pre-5.1-associativity", "on" },
4792 spapr_machine_5_1_class_options(mc
);
4793 compat_props_add(mc
->compat_props
, hw_compat_5_0
, hw_compat_5_0_len
);
4794 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
4795 mc
->numa_mem_supported
= true;
4796 smc
->pre_5_1_assoc_refpoints
= true;
4799 DEFINE_SPAPR_MACHINE(5_0
, "5.0", false);
4804 static void spapr_machine_4_2_class_options(MachineClass
*mc
)
4806 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4808 spapr_machine_5_0_class_options(mc
);
4809 compat_props_add(mc
->compat_props
, hw_compat_4_2
, hw_compat_4_2_len
);
4810 smc
->default_caps
.caps
[SPAPR_CAP_CCF_ASSIST
] = SPAPR_CAP_OFF
;
4811 smc
->default_caps
.caps
[SPAPR_CAP_FWNMI
] = SPAPR_CAP_OFF
;
4812 smc
->rma_limit
= 16 * GiB
;
4813 mc
->nvdimm_supported
= false;
4816 DEFINE_SPAPR_MACHINE(4_2
, "4.2", false);
4821 static void spapr_machine_4_1_class_options(MachineClass
*mc
)
4823 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4824 static GlobalProperty compat
[] = {
4825 /* Only allow 4kiB and 64kiB IOMMU pagesizes */
4826 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "pgsz", "0x11000" },
4829 spapr_machine_4_2_class_options(mc
);
4830 smc
->linux_pci_probe
= false;
4831 smc
->smp_threads_vsmt
= false;
4832 compat_props_add(mc
->compat_props
, hw_compat_4_1
, hw_compat_4_1_len
);
4833 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
4836 DEFINE_SPAPR_MACHINE(4_1
, "4.1", false);
4841 static bool phb_placement_4_0(SpaprMachineState
*spapr
, uint32_t index
,
4842 uint64_t *buid
, hwaddr
*pio
,
4843 hwaddr
*mmio32
, hwaddr
*mmio64
,
4844 unsigned n_dma
, uint32_t *liobns
,
4845 hwaddr
*nv2gpa
, hwaddr
*nv2atsd
, Error
**errp
)
4847 if (!spapr_phb_placement(spapr
, index
, buid
, pio
, mmio32
, mmio64
, n_dma
,
4848 liobns
, nv2gpa
, nv2atsd
, errp
)) {
4856 static void spapr_machine_4_0_class_options(MachineClass
*mc
)
4858 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4860 spapr_machine_4_1_class_options(mc
);
4861 compat_props_add(mc
->compat_props
, hw_compat_4_0
, hw_compat_4_0_len
);
4862 smc
->phb_placement
= phb_placement_4_0
;
4863 smc
->irq
= &spapr_irq_xics
;
4864 smc
->pre_4_1_migration
= true;
4867 DEFINE_SPAPR_MACHINE(4_0
, "4.0", false);
4872 static void spapr_machine_3_1_class_options(MachineClass
*mc
)
4874 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4876 spapr_machine_4_0_class_options(mc
);
4877 compat_props_add(mc
->compat_props
, hw_compat_3_1
, hw_compat_3_1_len
);
4879 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power8_v2.0");
4880 smc
->update_dt_enabled
= false;
4881 smc
->dr_phb_enabled
= false;
4882 smc
->broken_host_serial_model
= true;
4883 smc
->default_caps
.caps
[SPAPR_CAP_CFPC
] = SPAPR_CAP_BROKEN
;
4884 smc
->default_caps
.caps
[SPAPR_CAP_SBBC
] = SPAPR_CAP_BROKEN
;
4885 smc
->default_caps
.caps
[SPAPR_CAP_IBS
] = SPAPR_CAP_BROKEN
;
4886 smc
->default_caps
.caps
[SPAPR_CAP_LARGE_DECREMENTER
] = SPAPR_CAP_OFF
;
4889 DEFINE_SPAPR_MACHINE(3_1
, "3.1", false);
4895 static void spapr_machine_3_0_class_options(MachineClass
*mc
)
4897 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4899 spapr_machine_3_1_class_options(mc
);
4900 compat_props_add(mc
->compat_props
, hw_compat_3_0
, hw_compat_3_0_len
);
4902 smc
->legacy_irq_allocation
= true;
4903 smc
->nr_xirqs
= 0x400;
4904 smc
->irq
= &spapr_irq_xics_legacy
;
4907 DEFINE_SPAPR_MACHINE(3_0
, "3.0", false);
4912 static void spapr_machine_2_12_class_options(MachineClass
*mc
)
4914 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4915 static GlobalProperty compat
[] = {
4916 { TYPE_POWERPC_CPU
, "pre-3.0-migration", "on" },
4917 { TYPE_SPAPR_CPU_CORE
, "pre-3.0-migration", "on" },
4920 spapr_machine_3_0_class_options(mc
);
4921 compat_props_add(mc
->compat_props
, hw_compat_2_12
, hw_compat_2_12_len
);
4922 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
4924 /* We depend on kvm_enabled() to choose a default value for the
4925 * hpt-max-page-size capability. Of course we can't do it here
4926 * because this is too early and the HW accelerator isn't initialzed
4927 * yet. Postpone this to machine init (see default_caps_with_cpu()).
4929 smc
->default_caps
.caps
[SPAPR_CAP_HPT_MAXPAGESIZE
] = 0;
4932 DEFINE_SPAPR_MACHINE(2_12
, "2.12", false);
4934 static void spapr_machine_2_12_sxxm_class_options(MachineClass
*mc
)
4936 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4938 spapr_machine_2_12_class_options(mc
);
4939 smc
->default_caps
.caps
[SPAPR_CAP_CFPC
] = SPAPR_CAP_WORKAROUND
;
4940 smc
->default_caps
.caps
[SPAPR_CAP_SBBC
] = SPAPR_CAP_WORKAROUND
;
4941 smc
->default_caps
.caps
[SPAPR_CAP_IBS
] = SPAPR_CAP_FIXED_CCD
;
4944 DEFINE_SPAPR_MACHINE(2_12_sxxm
, "2.12-sxxm", false);
4950 static void spapr_machine_2_11_class_options(MachineClass
*mc
)
4952 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4954 spapr_machine_2_12_class_options(mc
);
4955 smc
->default_caps
.caps
[SPAPR_CAP_HTM
] = SPAPR_CAP_ON
;
4956 compat_props_add(mc
->compat_props
, hw_compat_2_11
, hw_compat_2_11_len
);
4959 DEFINE_SPAPR_MACHINE(2_11
, "2.11", false);
4965 static void spapr_machine_2_10_class_options(MachineClass
*mc
)
4967 spapr_machine_2_11_class_options(mc
);
4968 compat_props_add(mc
->compat_props
, hw_compat_2_10
, hw_compat_2_10_len
);
4971 DEFINE_SPAPR_MACHINE(2_10
, "2.10", false);
4977 static void spapr_machine_2_9_class_options(MachineClass
*mc
)
4979 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
4980 static GlobalProperty compat
[] = {
4981 { TYPE_POWERPC_CPU
, "pre-2.10-migration", "on" },
4984 spapr_machine_2_10_class_options(mc
);
4985 compat_props_add(mc
->compat_props
, hw_compat_2_9
, hw_compat_2_9_len
);
4986 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
4987 smc
->pre_2_10_has_unused_icps
= true;
4988 smc
->resize_hpt_default
= SPAPR_RESIZE_HPT_DISABLED
;
4991 DEFINE_SPAPR_MACHINE(2_9
, "2.9", false);
4997 static void spapr_machine_2_8_class_options(MachineClass
*mc
)
4999 static GlobalProperty compat
[] = {
5000 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "pcie-extended-configuration-space", "off" },
5003 spapr_machine_2_9_class_options(mc
);
5004 compat_props_add(mc
->compat_props
, hw_compat_2_8
, hw_compat_2_8_len
);
5005 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5006 mc
->numa_mem_align_shift
= 23;
5009 DEFINE_SPAPR_MACHINE(2_8
, "2.8", false);
5015 static bool phb_placement_2_7(SpaprMachineState
*spapr
, uint32_t index
,
5016 uint64_t *buid
, hwaddr
*pio
,
5017 hwaddr
*mmio32
, hwaddr
*mmio64
,
5018 unsigned n_dma
, uint32_t *liobns
,
5019 hwaddr
*nv2gpa
, hwaddr
*nv2atsd
, Error
**errp
)
5021 /* Legacy PHB placement for pseries-2.7 and earlier machine types */
5022 const uint64_t base_buid
= 0x800000020000000ULL
;
5023 const hwaddr phb_spacing
= 0x1000000000ULL
; /* 64 GiB */
5024 const hwaddr mmio_offset
= 0xa0000000; /* 2 GiB + 512 MiB */
5025 const hwaddr pio_offset
= 0x80000000; /* 2 GiB */
5026 const uint32_t max_index
= 255;
5027 const hwaddr phb0_alignment
= 0x10000000000ULL
; /* 1 TiB */
5029 uint64_t ram_top
= MACHINE(spapr
)->ram_size
;
5030 hwaddr phb0_base
, phb_base
;
5033 /* Do we have device memory? */
5034 if (MACHINE(spapr
)->maxram_size
> ram_top
) {
5035 /* Can't just use maxram_size, because there may be an
5036 * alignment gap between normal and device memory regions
5038 ram_top
= MACHINE(spapr
)->device_memory
->base
+
5039 memory_region_size(&MACHINE(spapr
)->device_memory
->mr
);
5042 phb0_base
= QEMU_ALIGN_UP(ram_top
, phb0_alignment
);
5044 if (index
> max_index
) {
5045 error_setg(errp
, "\"index\" for PAPR PHB is too large (max %u)",
5050 *buid
= base_buid
+ index
;
5051 for (i
= 0; i
< n_dma
; ++i
) {
5052 liobns
[i
] = SPAPR_PCI_LIOBN(index
, i
);
5055 phb_base
= phb0_base
+ index
* phb_spacing
;
5056 *pio
= phb_base
+ pio_offset
;
5057 *mmio32
= phb_base
+ mmio_offset
;
5059 * We don't set the 64-bit MMIO window, relying on the PHB's
5060 * fallback behaviour of automatically splitting a large "32-bit"
5061 * window into contiguous 32-bit and 64-bit windows
5069 static void spapr_machine_2_7_class_options(MachineClass
*mc
)
5071 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
5072 static GlobalProperty compat
[] = {
5073 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "mem_win_size", "0xf80000000", },
5074 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "mem64_win_size", "0", },
5075 { TYPE_POWERPC_CPU
, "pre-2.8-migration", "on", },
5076 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "pre-2.8-migration", "on", },
5079 spapr_machine_2_8_class_options(mc
);
5080 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("power7_v2.3");
5081 mc
->default_machine_opts
= "modern-hotplug-events=off";
5082 compat_props_add(mc
->compat_props
, hw_compat_2_7
, hw_compat_2_7_len
);
5083 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5084 smc
->phb_placement
= phb_placement_2_7
;
5087 DEFINE_SPAPR_MACHINE(2_7
, "2.7", false);
5093 static void spapr_machine_2_6_class_options(MachineClass
*mc
)
5095 static GlobalProperty compat
[] = {
5096 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "ddw", "off" },
5099 spapr_machine_2_7_class_options(mc
);
5100 mc
->has_hotpluggable_cpus
= false;
5101 compat_props_add(mc
->compat_props
, hw_compat_2_6
, hw_compat_2_6_len
);
5102 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5105 DEFINE_SPAPR_MACHINE(2_6
, "2.6", false);
5111 static void spapr_machine_2_5_class_options(MachineClass
*mc
)
5113 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
5114 static GlobalProperty compat
[] = {
5115 { "spapr-vlan", "use-rx-buffer-pools", "off" },
5118 spapr_machine_2_6_class_options(mc
);
5119 smc
->use_ohci_by_default
= true;
5120 compat_props_add(mc
->compat_props
, hw_compat_2_5
, hw_compat_2_5_len
);
5121 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5124 DEFINE_SPAPR_MACHINE(2_5
, "2.5", false);
5130 static void spapr_machine_2_4_class_options(MachineClass
*mc
)
5132 SpaprMachineClass
*smc
= SPAPR_MACHINE_CLASS(mc
);
5134 spapr_machine_2_5_class_options(mc
);
5135 smc
->dr_lmb_enabled
= false;
5136 compat_props_add(mc
->compat_props
, hw_compat_2_4
, hw_compat_2_4_len
);
5139 DEFINE_SPAPR_MACHINE(2_4
, "2.4", false);
5145 static void spapr_machine_2_3_class_options(MachineClass
*mc
)
5147 static GlobalProperty compat
[] = {
5148 { "spapr-pci-host-bridge", "dynamic-reconfiguration", "off" },
5150 spapr_machine_2_4_class_options(mc
);
5151 compat_props_add(mc
->compat_props
, hw_compat_2_3
, hw_compat_2_3_len
);
5152 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5154 DEFINE_SPAPR_MACHINE(2_3
, "2.3", false);
5160 static void spapr_machine_2_2_class_options(MachineClass
*mc
)
5162 static GlobalProperty compat
[] = {
5163 { TYPE_SPAPR_PCI_HOST_BRIDGE
, "mem_win_size", "0x20000000" },
5166 spapr_machine_2_3_class_options(mc
);
5167 compat_props_add(mc
->compat_props
, hw_compat_2_2
, hw_compat_2_2_len
);
5168 compat_props_add(mc
->compat_props
, compat
, G_N_ELEMENTS(compat
));
5169 mc
->default_machine_opts
= "modern-hotplug-events=off,suppress-vmdesc=on";
5171 DEFINE_SPAPR_MACHINE(2_2
, "2.2", false);
5177 static void spapr_machine_2_1_class_options(MachineClass
*mc
)
5179 spapr_machine_2_2_class_options(mc
);
5180 compat_props_add(mc
->compat_props
, hw_compat_2_1
, hw_compat_2_1_len
);
5182 DEFINE_SPAPR_MACHINE(2_1
, "2.1", false);
5184 static void spapr_machine_register_types(void)
5186 type_register_static(&spapr_machine_info
);
5189 type_init(spapr_machine_register_types
)