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[mirror_ubuntu-bionic-kernel.git] / arch / powerpc / include / asm / kvm_ppc.h
CommitLineData
bbf45ba5
HB		 1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14 *
15 * Copyright IBM Corp. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __POWERPC_KVM_PPC_H__
21#define __POWERPC_KVM_PPC_H__
22
23/* This file exists just so we can dereference kvm_vcpu, avoiding nested header
24 * dependencies. */
25
26#include <linux/mutex.h>
27#include <linux/timer.h>
28#include <linux/types.h>
29#include <linux/kvm_types.h>
30#include <linux/kvm_host.h>
a136a8bd 31#include <linux/bug.h>
1c0006d8
AG		 32#ifdef CONFIG_PPC_BOOK3S
33#include <asm/kvm_book3s.h>
c7f38f46
AG		 34#else
35#include <asm/kvm_booke.h>
1c0006d8 36#endif
371fefd6
PM		 37#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
38#include <asm/paca.h>
39#endif
bbf45ba5 40
a59c1d9e
MS		 41/*
42 * KVMPPC_INST_SW_BREAKPOINT is debug Instruction
43 * for supporting software breakpoint.
44 */
45#define KVMPPC_INST_SW_BREAKPOINT 0x00dddd00
46
bbf45ba5
HB		 47enum emulation_result {
48 EMULATE_DONE, /* no further processing */
49 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
bbf45ba5 50 EMULATE_FAIL, /* can't emulate this instruction */
37f5bca6 51 EMULATE_AGAIN, /* something went wrong. go again */
c402a3f4 52 EMULATE_EXIT_USER, /* emulation requires exit to user-space */
bbf45ba5
HB		 53};
54
51f04726
MC		 55enum instruction_type {
56 INST_GENERIC,
57 INST_SC, /* system call */
58};
59
7d15c06f
AG		 60enum xlate_instdata {
61 XLATE_INST, /* translate instruction address */
62 XLATE_DATA /* translate data address */
63};
64
65enum xlate_readwrite {
66 XLATE_READ, /* check for read permissions */
67 XLATE_WRITE /* check for write permissions */
68};
69
df6909e5 70extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
bbf45ba5 71extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
29eb61bc 72extern void kvmppc_handler_highmem(void);
bbf45ba5
HB		 73
74extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
75extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
76 unsigned int rt, unsigned int bytes,
73601775 77 int is_default_endian);
3587d534
AG		 78extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
79 unsigned int rt, unsigned int bytes,
73601775 80 int is_default_endian);
6f63e81b
BL		 81extern int kvmppc_handle_vsx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
82 unsigned int rt, unsigned int bytes,
83 int is_default_endian, int mmio_sign_extend);
bbf45ba5 84extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
73601775
CLG		 85 u64 val, unsigned int bytes,
86 int is_default_endian);
6f63e81b
BL		 87extern int kvmppc_handle_vsx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
88 int rs, unsigned int bytes,
89 int is_default_endian);
bbf45ba5 90
51f04726
MC		 91extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
92 enum instruction_type type, u32 *inst);
93
35c4a733
AG		 94extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
95 bool data);
96extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
97 bool data);
bbf45ba5
HB		 98extern int kvmppc_emulate_instruction(struct kvm_run *run,
99 struct kvm_vcpu *vcpu);
d69614a2 100extern int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu);
ce263d70 101extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
75f74f0d 102extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
5ce941ee 103extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
d02d4d15 104extern void kvmppc_decrementer_func(struct kvm_vcpu *vcpu);
af8f38b3 105extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
f61c94bb
BB		 106extern int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu);
107extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu);
bbf45ba5 108
ecc0981f
HB		 109/* Core-specific hooks */
110
89168618 111extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
7924bd41 112 unsigned int gtlb_idx);
bbf45ba5 113extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
49dd2c49 114extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
ecc0981f 115extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
9cc5e953 116extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
fa86b8dd
HB		 117extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
118extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
be8d1cae
HB		 119extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
120 gva_t eaddr);
b52a638c
HB		 121extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
122extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
7d15c06f
AG		 123extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr,
124 enum xlate_instdata xlid, enum xlate_readwrite xlrw,
125 struct kvmppc_pte *pte);
9dd921cf 126
db93f574
HB		 127extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
128 unsigned int id);
129extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
5cbb5106 130extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
9dd921cf 131extern int kvmppc_core_check_processor_compat(void);
5cbb5106
HB		 132extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
133 struct kvm_translation *tr);
9dd921cf
HB		 134
135extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
136extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
137
a8e4ef84 138extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
9dd921cf 139extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
25a8a02d 140extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
307d9279
PM		 141extern void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu);
142extern void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu);
143extern void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu);
9dd921cf 144extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
7706664d 145extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
9dd921cf
HB		 146extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
147 struct kvm_interrupt *irq);
4fe27d2a 148extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu);
8de12015
AG		 149extern void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu, ulong dear_flags,
150 ulong esr_flags);
151extern void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
152 ulong dear_flags,
153 ulong esr_flags);
154extern void kvmppc_core_queue_itlb_miss(struct kvm_vcpu *vcpu);
155extern void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
156 ulong esr_flags);
862d31f7 157extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu);
7c973a2e 158extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu);
75f74f0d 159
db93f574
HB		 160extern int kvmppc_booke_init(void);
161extern void kvmppc_booke_exit(void);
162
c30f8a6c 163extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
2a342ed5 164extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
a4cd8b23 165extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
c30f8a6c 166
aae0777f
DG		 167extern int kvmppc_allocate_hpt(struct kvm_hpt_info *info, u32 order);
168extern void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info);
f98a8bf9 169extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order);
aae0777f 170extern void kvmppc_free_hpt(struct kvm_hpt_info *info);
18c3640c 171extern void kvmppc_rmap_reset(struct kvm *kvm);
de56a948
PM		 172extern long kvmppc_prepare_vrma(struct kvm *kvm,
173 struct kvm_userspace_memory_region *mem);
c77162de 174extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
da9d1d7f 175 struct kvm_memory_slot *memslot, unsigned long porder);
a8606e20 176extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
121f80ba
AK		 177extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
178 struct iommu_group *grp);
179extern void kvm_spapr_tce_release_iommu_group(struct kvm *kvm,
180 struct iommu_group *grp);
18c3640c
PM		 181extern int kvmppc_switch_mmu_to_hpt(struct kvm *kvm);
182extern int kvmppc_switch_mmu_to_radix(struct kvm *kvm);
ded13fc1 183extern void kvmppc_setup_partition_table(struct kvm *kvm);
bc5ad3f3 184
54738c09 185extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
58ded420 186 struct kvm_create_spapr_tce_64 *args);
d3695aa4 187extern struct kvmppc_spapr_tce_table *kvmppc_find_table(
503bfcbe 188 struct kvm *kvm, unsigned long liobn);
b1af23d8
AK		 189#define kvmppc_ioba_validate(stt, ioba, npages) \
190 (iommu_tce_check_ioba((stt)->page_shift, (stt)->offset, \
191 (stt)->size, (ioba), (npages)) ? \
192 H_PARAMETER : H_SUCCESS)
5ee7af18
AK		 193extern long kvmppc_tce_validate(struct kvmppc_spapr_tce_table *tt,
194 unsigned long tce);
d3695aa4
AK		 195extern long kvmppc_gpa_to_ua(struct kvm *kvm, unsigned long gpa,
196 unsigned long *ua, unsigned long **prmap);
197extern void kvmppc_tce_put(struct kvmppc_spapr_tce_table *tt,
198 unsigned long idx, unsigned long tce);
f31e65e1
BH		 199extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
200 unsigned long ioba, unsigned long tce);
d3695aa4
AK		 201extern long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
202 unsigned long liobn, unsigned long ioba,
203 unsigned long tce_list, unsigned long npages);
204extern long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu,
205 unsigned long liobn, unsigned long ioba,
206 unsigned long tce_value, unsigned long npages);
69e9fbb2
LD		 207extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
208 unsigned long ioba);
db9a290d
DG		 209extern struct page *kvm_alloc_hpt_cma(unsigned long nr_pages);
210extern void kvm_free_hpt_cma(struct page *page, unsigned long nr_pages);
f9e0554d
PM		 211extern int kvmppc_core_init_vm(struct kvm *kvm);
212extern void kvmppc_core_destroy_vm(struct kvm *kvm);
5587027c
AK		 213extern void kvmppc_core_free_memslot(struct kvm *kvm,
214 struct kvm_memory_slot *free,
a66b48c3 215 struct kvm_memory_slot *dont);
5587027c
AK		 216extern int kvmppc_core_create_memslot(struct kvm *kvm,
217 struct kvm_memory_slot *slot,
a66b48c3 218 unsigned long npages);
f9e0554d 219extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
a66b48c3 220 struct kvm_memory_slot *memslot,
09170a49 221 const struct kvm_userspace_memory_region *mem);
f9e0554d 222extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
09170a49 223 const struct kvm_userspace_memory_region *mem,
f36f3f28
PB		 224 const struct kvm_memory_slot *old,
225 const struct kvm_memory_slot *new);
5b74716e
BH		 226extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm,
227 struct kvm_ppc_smmu_info *info);
dfe49dbd
PM		 228extern void kvmppc_core_flush_memslot(struct kvm *kvm,
229 struct kvm_memory_slot *memslot);
f9e0554d 230
d30f6e48
SW		 231extern int kvmppc_bookehv_init(void);
232extern void kvmppc_bookehv_exit(void);
233
03d25c5b
AG		 234extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu);
235
a2932923 236extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *);
5e985969
DG		 237extern long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm,
238 struct kvm_ppc_resize_hpt *rhpt);
239extern long kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm,
240 struct kvm_ppc_resize_hpt *rhpt);
a2932923 241
5df554ad
SW		 242int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq);
243
8e591cb7
ME		 244extern int kvm_vm_ioctl_rtas_define_token(struct kvm *kvm, void __user *argp);
245extern int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu);
246extern void kvmppc_rtas_tokens_free(struct kvm *kvm);
5af50993 247
bc5ad3f3
BH		 248extern int kvmppc_xics_set_xive(struct kvm *kvm, u32 irq, u32 server,
249 u32 priority);
250extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
251 u32 *priority);
d19bd862
PM		 252extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq);
253extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq);
8e591cb7 254
2f699a59
BB		 255void kvmppc_core_dequeue_debug(struct kvm_vcpu *vcpu);
256void kvmppc_core_queue_debug(struct kvm_vcpu *vcpu);
257
3a167bea
AK		 258union kvmppc_one_reg {
259 u32 wval;
260 u64 dval;
261 vector128 vval;
262 u64 vsxval[2];
6f63e81b 263 u32 vsx32val[4];
3a167bea
AK		 264 struct {
265 u64 addr;
266 u64 length;
267 } vpaval;
268};
269
270struct kvmppc_ops {
cbbc58d4 271 struct module *owner;
3a167bea
AK		 272 int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
273 int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
274 int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id,
275 union kvmppc_one_reg *val);
276 int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id,
277 union kvmppc_one_reg *val);
278 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
279 void (*vcpu_put)(struct kvm_vcpu *vcpu);
280 void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
281 int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
282 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id);
283 void (*vcpu_free)(struct kvm_vcpu *vcpu);
284 int (*check_requests)(struct kvm_vcpu *vcpu);
285 int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);
286 void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot);
287 int (*prepare_memory_region)(struct kvm *kvm,
288 struct kvm_memory_slot *memslot,
09170a49 289 const struct kvm_userspace_memory_region *mem);
3a167bea 290 void (*commit_memory_region)(struct kvm *kvm,
09170a49 291 const struct kvm_userspace_memory_region *mem,
f36f3f28
PB		 292 const struct kvm_memory_slot *old,
293 const struct kvm_memory_slot *new);
3a167bea
AK		 294 int (*unmap_hva)(struct kvm *kvm, unsigned long hva);
295 int (*unmap_hva_range)(struct kvm *kvm, unsigned long start,
296 unsigned long end);
57128468 297 int (*age_hva)(struct kvm *kvm, unsigned long start, unsigned long end);
3a167bea
AK		 298 int (*test_age_hva)(struct kvm *kvm, unsigned long hva);
299 void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte);
300 void (*mmu_destroy)(struct kvm_vcpu *vcpu);
301 void (*free_memslot)(struct kvm_memory_slot *free,
302 struct kvm_memory_slot *dont);
303 int (*create_memslot)(struct kvm_memory_slot *slot,
304 unsigned long npages);
305 int (*init_vm)(struct kvm *kvm);
306 void (*destroy_vm)(struct kvm *kvm);
3a167bea
AK		 307 int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info);
308 int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu,
309 unsigned int inst, int *advance);
310 int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
311 int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
312 void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu);
313 long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl,
314 unsigned long arg);
ae2113a4 315 int (*hcall_implemented)(unsigned long hcall);
9576730d
SW		 316 int (*irq_bypass_add_producer)(struct irq_bypass_consumer *,
317 struct irq_bypass_producer *);
318 void (*irq_bypass_del_producer)(struct irq_bypass_consumer *,
319 struct irq_bypass_producer *);
c9270132
PM		 320 int (*configure_mmu)(struct kvm *kvm, struct kvm_ppc_mmuv3_cfg *cfg);
321 int (*get_rmmu_info)(struct kvm *kvm, struct kvm_ppc_rmmu_info *info);
3c313524
PM		 322 int (*set_smt_mode)(struct kvm *kvm, unsigned long mode,
323 unsigned long flags);
3a167bea
AK		 324};
325
cbbc58d4
AK		 326extern struct kvmppc_ops *kvmppc_hv_ops;
327extern struct kvmppc_ops *kvmppc_pr_ops;
3a167bea 328
51f04726
MC		 329static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu,
330 enum instruction_type type, u32 *inst)
331{
332 int ret = EMULATE_DONE;
333 u32 fetched_inst;
334
335 /* Load the instruction manually if it failed to do so in the
336 * exit path */
337 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
338 ret = kvmppc_load_last_inst(vcpu, type, &vcpu->arch.last_inst);
339
340 /* Write fetch_failed unswapped if the fetch failed */
341 if (ret == EMULATE_DONE)
342 fetched_inst = kvmppc_need_byteswap(vcpu) ?
343 swab32(vcpu->arch.last_inst) :
344 vcpu->arch.last_inst;
345 else
346 fetched_inst = vcpu->arch.last_inst;
347
348 *inst = fetched_inst;
349 return ret;
350}
351
a78b55d1
AK		 352static inline bool is_kvmppc_hv_enabled(struct kvm *kvm)
353{
354 return kvm->arch.kvm_ops == kvmppc_hv_ops;
355}
356
e928e9cb
ME		 357extern int kvmppc_hwrng_present(void);
358
0564ee8a
AG		 359/*
360 * Cuts out inst bits with ordering according to spec.
361 * That means the leftmost bit is zero. All given bits are included.
362 */
363static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
364{
365 u32 r;
366 u32 mask;
367
368 BUG_ON(msb > lsb);
369
370 mask = (1 << (lsb - msb + 1)) - 1;
371 r = (inst >> (63 - lsb)) & mask;
372
373 return r;
374}
375
376/*
377 * Replaces inst bits with ordering according to spec.
378 */
379static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
380{
381 u32 r;
382 u32 mask;
383
384 BUG_ON(msb > lsb);
385
386 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
387 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
388
389 return r;
390}
391
a136a8bd
PM		 392#define one_reg_size(id) \
393 (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
394
395#define get_reg_val(id, reg) ({ \
396 union kvmppc_one_reg __u; \
397 switch (one_reg_size(id)) { \
398 case 4: __u.wval = (reg); break; \
399 case 8: __u.dval = (reg); break; \
400 default: BUG(); \
401 } \
402 __u; \
403})
404
405
406#define set_reg_val(id, val) ({ \
407 u64 __v; \
408 switch (one_reg_size(id)) { \
409 case 4: __v = (val).wval; break; \
410 case 8: __v = (val).dval; break; \
411 default: BUG(); \
412 } \
413 __v; \
414})
415
3a167bea 416int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
5ce941ee
SW		 417int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
418
3a167bea 419int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
5ce941ee
SW		 420int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
421
31f3438e
PM		 422int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
423int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
a136a8bd
PM		 424int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
425int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
31f3438e 426
5ce941ee
SW		 427void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
428
5df554ad 429struct openpic;
5df554ad 430
9975f5e3 431#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
fa61a4e3 432extern void kvm_cma_reserve(void) __init;
371fefd6
PM		 433static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
434{
d381d7ca 435 paca[cpu].kvm_hstate.xics_phys = (void __iomem *)addr;
371fefd6 436}
aa04b4cc 437
5af50993
BH		 438static inline void kvmppc_set_xive_tima(int cpu,
439 unsigned long phys_addr,
440 void __iomem *virt_addr)
441{
442 paca[cpu].kvm_hstate.xive_tima_phys = (void __iomem *)phys_addr;
443 paca[cpu].kvm_hstate.xive_tima_virt = virt_addr;
371fefd6 444}
aa04b4cc 445
54695c30
BH		 446static inline u32 kvmppc_get_xics_latch(void)
447{
699cc876 448 u32 xirr;
54695c30 449
699cc876 450 xirr = get_paca()->kvm_hstate.saved_xirr;
54695c30 451 get_paca()->kvm_hstate.saved_xirr = 0;
54695c30
BH		 452 return xirr;
453}
454
455static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
456{
457 paca[cpu].kvm_hstate.host_ipi = host_ipi;
458}
459
3a167bea
AK		 460static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
461{
cbbc58d4 462 vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu);
3a167bea 463}
aa04b4cc 464
441c19c8
ME		 465extern void kvm_hv_vm_activated(void);
466extern void kvm_hv_vm_deactivated(void);
467extern bool kvm_hv_mode_active(void);
468
371fefd6 469#else
fa61a4e3
AK		 470static inline void __init kvm_cma_reserve(void)
471{}
472
371fefd6
PM		 473static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
474{}
aa04b4cc 475
5af50993
BH		 476static inline void kvmppc_set_xive_tima(int cpu,
477 unsigned long phys_addr,
478 void __iomem *virt_addr)
479{}
480
54695c30
BH		 481static inline u32 kvmppc_get_xics_latch(void)
482{
483 return 0;
484}
485
486static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
487{}
488
489static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
490{
491 kvm_vcpu_kick(vcpu);
492}
441c19c8
ME		 493
494static inline bool kvm_hv_mode_active(void) { return false; }
495
bc5ad3f3
BH		 496#endif
497
498#ifdef CONFIG_KVM_XICS
499static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
500{
501 return vcpu->arch.irq_type == KVMPPC_IRQ_XICS;
502}
8daaafc8
SW		 503
504static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap(
505 struct kvm *kvm)
506{
644abbb2 507 if (kvm && kvm_irq_bypass)
8daaafc8
SW		 508 return kvm->arch.pimap;
509 return NULL;
510}
511
79b6c247
SW		 512extern void kvmppc_alloc_host_rm_ops(void);
513extern void kvmppc_free_host_rm_ops(void);
8daaafc8 514extern void kvmppc_free_pimap(struct kvm *kvm);
f7af5209 515extern int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall);
bc5ad3f3 516extern void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu);
bc5ad3f3 517extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd);
8b78645c
PM		 518extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu);
519extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
5975a2e0
PM		 520extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev,
521 struct kvm_vcpu *vcpu, u32 cpu);
0c2a6606 522extern void kvmppc_xics_ipi_action(void);
5d375199
PM		 523extern void kvmppc_xics_set_mapped(struct kvm *kvm, unsigned long guest_irq,
524 unsigned long host_irq);
525extern void kvmppc_xics_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
526 unsigned long host_irq);
f725758b
PM		 527extern long kvmppc_deliver_irq_passthru(struct kvm_vcpu *vcpu, __be32 xirr,
528 struct kvmppc_irq_map *irq_map,
529 struct kvmppc_passthru_irqmap *pimap,
530 bool *again);
5af50993
BH		 531
532extern int kvmppc_xics_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
533 int level, bool line_status);
534
520fe9c6 535extern int h_ipi_redirect;
bc5ad3f3 536#else
8daaafc8
SW		 537static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap(
538 struct kvm *kvm)
539 { return NULL; }
79b6c247
SW		 540static inline void kvmppc_alloc_host_rm_ops(void) {};
541static inline void kvmppc_free_host_rm_ops(void) {};
8daaafc8 542static inline void kvmppc_free_pimap(struct kvm *kvm) {};
f7af5209
SW		 543static inline int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall)
544 { return 0; }
bc5ad3f3
BH		 545static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
546 { return 0; }
547static inline void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu) { }
bc5ad3f3
BH		 548static inline int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd)
549 { return 0; }
371fefd6
PM		 550#endif
551
5af50993
BH		 552#ifdef CONFIG_KVM_XIVE
553/*
554 * Below the first "xive" is the "eXternal Interrupt Virtualization Engine"
555 * ie. P9 new interrupt controller, while the second "xive" is the legacy
556 * "eXternal Interrupt Vector Entry" which is the configuration of an
557 * interrupt on the "xics" interrupt controller on P8 and earlier. Those
558 * two function consume or produce a legacy "XIVE" state from the
559 * new "XIVE" interrupt controller.
560 */
561extern int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server,
562 u32 priority);
563extern int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server,
564 u32 *priority);
565extern int kvmppc_xive_int_on(struct kvm *kvm, u32 irq);
566extern int kvmppc_xive_int_off(struct kvm *kvm, u32 irq);
567extern void kvmppc_xive_init_module(void);
568extern void kvmppc_xive_exit_module(void);
569
570extern int kvmppc_xive_connect_vcpu(struct kvm_device *dev,
571 struct kvm_vcpu *vcpu, u32 cpu);
572extern void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu);
573extern int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq,
574 struct irq_desc *host_desc);
575extern int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
576 struct irq_desc *host_desc);
577extern u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu);
578extern int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
579
580extern int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
581 int level, bool line_status);
582#else
583static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server,
584 u32 priority) { return -1; }
585static inline int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server,
586 u32 *priority) { return -1; }
587static inline int kvmppc_xive_int_on(struct kvm *kvm, u32 irq) { return -1; }
588static inline int kvmppc_xive_int_off(struct kvm *kvm, u32 irq) { return -1; }
589static inline void kvmppc_xive_init_module(void) { }
590static inline void kvmppc_xive_exit_module(void) { }
591
592static inline int kvmppc_xive_connect_vcpu(struct kvm_device *dev,
593 struct kvm_vcpu *vcpu, u32 cpu) { return -EBUSY; }
594static inline void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) { }
595static inline int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq,
596 struct irq_desc *host_desc) { return -ENODEV; }
597static inline int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
598 struct irq_desc *host_desc) { return -ENODEV; }
599static inline u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu) { return 0; }
600static inline int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval) { return -ENOENT; }
601
602static inline int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
603 int level, bool line_status) { return -ENODEV; }
604#endif /* CONFIG_KVM_XIVE */
605
e34af784
PM		 606/*
607 * Prototypes for functions called only from assembler code.
608 * Having prototypes reduces sparse errors.
609 */
610long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
611 unsigned long ioba, unsigned long tce);
612long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
613 unsigned long liobn, unsigned long ioba,
614 unsigned long tce_list, unsigned long npages);
615long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
616 unsigned long liobn, unsigned long ioba,
617 unsigned long tce_value, unsigned long npages);
618long int kvmppc_rm_h_confer(struct kvm_vcpu *vcpu, int target,
619 unsigned int yield_count);
620long kvmppc_h_random(struct kvm_vcpu *vcpu);
621void kvmhv_commence_exit(int trap);
622long kvmppc_realmode_machine_check(struct kvm_vcpu *vcpu);
623void kvmppc_subcore_enter_guest(void);
624void kvmppc_subcore_exit_guest(void);
625long kvmppc_realmode_hmi_handler(void);
626long kvmppc_h_enter(struct kvm_vcpu *vcpu, unsigned long flags,
627 long pte_index, unsigned long pteh, unsigned long ptel);
628long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
629 unsigned long pte_index, unsigned long avpn);
630long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu);
631long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
632 unsigned long pte_index, unsigned long avpn,
633 unsigned long va);
634long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags,
635 unsigned long pte_index);
636long kvmppc_h_clear_ref(struct kvm_vcpu *vcpu, unsigned long flags,
637 unsigned long pte_index);
638long kvmppc_h_clear_mod(struct kvm_vcpu *vcpu, unsigned long flags,
639 unsigned long pte_index);
640long kvmppc_hpte_hv_fault(struct kvm_vcpu *vcpu, unsigned long addr,
641 unsigned long slb_v, unsigned int status, bool data);
642unsigned long kvmppc_rm_h_xirr(struct kvm_vcpu *vcpu);
5af50993
BH		 643unsigned long kvmppc_rm_h_xirr_x(struct kvm_vcpu *vcpu);
644unsigned long kvmppc_rm_h_ipoll(struct kvm_vcpu *vcpu, unsigned long server);
e34af784
PM		 645int kvmppc_rm_h_ipi(struct kvm_vcpu *vcpu, unsigned long server,
646 unsigned long mfrr);
647int kvmppc_rm_h_cppr(struct kvm_vcpu *vcpu, unsigned long cppr);
648int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr);
649
79b6c247
SW		 650/*
651 * Host-side operations we want to set up while running in real
652 * mode in the guest operating on the xics.
653 * Currently only VCPU wakeup is supported.
654 */
655
656union kvmppc_rm_state {
657 unsigned long raw;
658 struct {
659 u32 in_host;
660 u32 rm_action;
661 };
662};
663
664struct kvmppc_host_rm_core {
665 union kvmppc_rm_state rm_state;
666 void *rm_data;
667 char pad[112];
668};
669
670struct kvmppc_host_rm_ops {
671 struct kvmppc_host_rm_core *rm_core;
672 void (*vcpu_kick)(struct kvm_vcpu *vcpu);
673};
674
675extern struct kvmppc_host_rm_ops *kvmppc_host_rm_ops_hv;
676
34f754b9
BB		 677static inline unsigned long kvmppc_get_epr(struct kvm_vcpu *vcpu)
678{
679#ifdef CONFIG_KVM_BOOKE_HV
680 return mfspr(SPRN_GEPR);
681#elif defined(CONFIG_BOOKE)
682 return vcpu->arch.epr;
683#else
684 return 0;
685#endif
686}
687
1c810636
AG		 688static inline void kvmppc_set_epr(struct kvm_vcpu *vcpu, u32 epr)
689{
690#ifdef CONFIG_KVM_BOOKE_HV
691 mtspr(SPRN_GEPR, epr);
692#elif defined(CONFIG_BOOKE)
693 vcpu->arch.epr = epr;
694#endif
695}
696
5df554ad
SW		 697#ifdef CONFIG_KVM_MPIC
698
699void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu);
eb1e4f43
SW		 700int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu,
701 u32 cpu);
702void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu);
5df554ad
SW		 703
704#else
705
706static inline void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu)
707{
708}
709
eb1e4f43
SW		 710static inline int kvmppc_mpic_connect_vcpu(struct kvm_device *dev,
711 struct kvm_vcpu *vcpu, u32 cpu)
712{
713 return -EINVAL;
714}
715
716static inline void kvmppc_mpic_disconnect_vcpu(struct openpic *opp,
717 struct kvm_vcpu *vcpu)
718{
719}
720
5df554ad
SW		 721#endif /* CONFIG_KVM_MPIC */
722
dc83b8bc
SW		 723int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
724 struct kvm_config_tlb *cfg);
725int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
726 struct kvm_dirty_tlb *cfg);
727
043cc4d7
SW		 728long kvmppc_alloc_lpid(void);
729void kvmppc_claim_lpid(long lpid);
730void kvmppc_free_lpid(long lpid);
731void kvmppc_init_lpid(unsigned long nr_lpids);
732
ba049e93 733static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn)
249ba1ee 734{
249ba1ee 735 struct page *page;
adccf65c
BB		 736 /*
737 * We can only access pages that the kernel maps
738 * as memory. Bail out for unmapped ones.
739 */
740 if (!pfn_valid(pfn))
741 return;
742
743 /* Clear i-cache for new pages */
249ba1ee
AG		 744 page = pfn_to_page(pfn);
745 if (!test_bit(PG_arch_1, &page->flags)) {
746 flush_dcache_icache_page(page);
747 set_bit(PG_arch_1, &page->flags);
748 }
749}
750
5deb8e7a
AG		 751/*
752 * Shared struct helpers. The shared struct can be little or big endian,
753 * depending on the guest endianness. So expose helpers to all of them.
754 */
755static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu)
756{
757#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
758 /* Only Book3S_64 PR supports bi-endian for now */
759 return vcpu->arch.shared_big_endian;
760#elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__)
761 /* Book3s_64 HV on little endian is always little endian */
762 return false;
763#else
764 return true;
765#endif
766}
767
5a484c7c 768#define SPRNG_WRAPPER_GET(reg, bookehv_spr) \
1dc0c5b8
BB		 769static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
770{ \
5a484c7c 771 return mfspr(bookehv_spr); \
1dc0c5b8
BB		 772} \
773
5a484c7c 774#define SPRNG_WRAPPER_SET(reg, bookehv_spr) \
1dc0c5b8
BB		 775static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \
776{ \
5a484c7c 777 mtspr(bookehv_spr, val); \
1dc0c5b8
BB		 778} \
779
5deb8e7a 780#define SHARED_WRAPPER_GET(reg, size) \
1dc0c5b8 781static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
5deb8e7a
AG		 782{ \
783 if (kvmppc_shared_big_endian(vcpu)) \
784 return be##size##_to_cpu(vcpu->arch.shared->reg); \
785 else \
786 return le##size##_to_cpu(vcpu->arch.shared->reg); \
787} \
788
789#define SHARED_WRAPPER_SET(reg, size) \
790static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \
791{ \
792 if (kvmppc_shared_big_endian(vcpu)) \
793 vcpu->arch.shared->reg = cpu_to_be##size(val); \
794 else \
795 vcpu->arch.shared->reg = cpu_to_le##size(val); \
796} \
797
798#define SHARED_WRAPPER(reg, size) \
799 SHARED_WRAPPER_GET(reg, size) \
800 SHARED_WRAPPER_SET(reg, size) \
801
5a484c7c
BB		 802#define SPRNG_WRAPPER(reg, bookehv_spr) \
803 SPRNG_WRAPPER_GET(reg, bookehv_spr) \
804 SPRNG_WRAPPER_SET(reg, bookehv_spr) \
1dc0c5b8
BB		 805
806#ifdef CONFIG_KVM_BOOKE_HV
807
5a484c7c
BB		 808#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
809 SPRNG_WRAPPER(reg, bookehv_spr) \
1dc0c5b8
BB		 810
811#else
812
5a484c7c 813#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
1dc0c5b8
BB		 814 SHARED_WRAPPER(reg, size) \
815
816#endif
817
5deb8e7a 818SHARED_WRAPPER(critical, 64)
1dc0c5b8
BB		 819SHARED_SPRNG_WRAPPER(sprg0, 64, SPRN_GSPRG0)
820SHARED_SPRNG_WRAPPER(sprg1, 64, SPRN_GSPRG1)
821SHARED_SPRNG_WRAPPER(sprg2, 64, SPRN_GSPRG2)
822SHARED_SPRNG_WRAPPER(sprg3, 64, SPRN_GSPRG3)
823SHARED_SPRNG_WRAPPER(srr0, 64, SPRN_GSRR0)
824SHARED_SPRNG_WRAPPER(srr1, 64, SPRN_GSRR1)
825SHARED_SPRNG_WRAPPER(dar, 64, SPRN_GDEAR)
dc168549 826SHARED_SPRNG_WRAPPER(esr, 64, SPRN_GESR)
5deb8e7a
AG		 827SHARED_WRAPPER_GET(msr, 64)
828static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val)
829{
830 if (kvmppc_shared_big_endian(vcpu))
831 vcpu->arch.shared->msr = cpu_to_be64(val);
832 else
833 vcpu->arch.shared->msr = cpu_to_le64(val);
834}
835SHARED_WRAPPER(dsisr, 32)
836SHARED_WRAPPER(int_pending, 32)
837SHARED_WRAPPER(sprg4, 64)
838SHARED_WRAPPER(sprg5, 64)
839SHARED_WRAPPER(sprg6, 64)
840SHARED_WRAPPER(sprg7, 64)
841
842static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr)
843{
844 if (kvmppc_shared_big_endian(vcpu))
845 return be32_to_cpu(vcpu->arch.shared->sr[nr]);
846 else
847 return le32_to_cpu(vcpu->arch.shared->sr[nr]);
848}
849
850static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val)
851{
852 if (kvmppc_shared_big_endian(vcpu))
853 vcpu->arch.shared->sr[nr] = cpu_to_be32(val);
854 else
855 vcpu->arch.shared->sr[nr] = cpu_to_le32(val);
856}
857
5f1c248f
SW		 858/*
859 * Please call after prepare_to_enter. This function puts the lazy ee and irq
860 * disabled tracking state back to normal mode, without actually enabling
861 * interrupts.
862 */
863static inline void kvmppc_fix_ee_before_entry(void)
bd2be683 864{
5f1c248f
SW		 865 trace_hardirqs_on();
866
bd2be683 867#ifdef CONFIG_PPC64
6c85f52b
SW		 868 /*
869 * To avoid races, the caller must have gone directly from having
870 * interrupts fully-enabled to hard-disabled.
871 */
872 WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS);
873
bd2be683
AG		 874 /* Only need to enable IRQs by hard enabling them after this */
875 local_paca->irq_happened = 0;
876 local_paca->soft_enabled = 1;
877#endif
878}
249ba1ee 879
7cdd7a95
MC		 880static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb)
881{
882 ulong ea;
8823a8fd 883 ulong msr_64bit = 0;
7cdd7a95
MC		 884
885 ea = kvmppc_get_gpr(vcpu, rb);
886 if (ra)
887 ea += kvmppc_get_gpr(vcpu, ra);
888
8823a8fd
MC		 889#if defined(CONFIG_PPC_BOOK3E_64)
890 msr_64bit = MSR_CM;
891#elif defined(CONFIG_PPC_BOOK3S_64)
892 msr_64bit = MSR_SF;
893#endif
894
5deb8e7a 895 if (!(kvmppc_get_msr(vcpu) & msr_64bit))
8823a8fd
MC		 896 ea = (uint32_t)ea;
897
7cdd7a95
MC		 898 return ea;
899}
900
54695c30
BH		 901extern void xics_wake_cpu(int cpu);
902
bbf45ba5 903#endif /* __POWERPC_KVM_PPC_H__ */
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