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KVM: PPC: BookE: Add support for vcpu->mode
[mirror_ubuntu-zesty-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>
1c0006d8
AG		 31#ifdef CONFIG_PPC_BOOK3S
32#include <asm/kvm_book3s.h>
c7f38f46
AG		 33#else
34#include <asm/kvm_booke.h>
1c0006d8 35#endif
371fefd6
PM		 36#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
37#include <asm/paca.h>
38#endif
bbf45ba5 39
bbf45ba5
HB		 40enum emulation_result {
41 EMULATE_DONE, /* no further processing */
42 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
43 EMULATE_DO_DCR, /* kvm_run filled with DCR request */
44 EMULATE_FAIL, /* can't emulate this instruction */
37f5bca6 45 EMULATE_AGAIN, /* something went wrong. go again */
bbf45ba5
HB		 46};
47
df6909e5 48extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
bbf45ba5
HB		 49extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
50extern char kvmppc_handlers_start[];
51extern unsigned long kvmppc_handler_len;
29eb61bc 52extern void kvmppc_handler_highmem(void);
bbf45ba5
HB		 53
54extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
55extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
56 unsigned int rt, unsigned int bytes,
57 int is_bigendian);
3587d534
AG		 58extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
59 unsigned int rt, unsigned int bytes,
60 int is_bigendian);
bbf45ba5 61extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
b104d066 62 u64 val, unsigned int bytes, int is_bigendian);
bbf45ba5
HB		 63
64extern int kvmppc_emulate_instruction(struct kvm_run *run,
65 struct kvm_vcpu *vcpu);
ce263d70 66extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
75f74f0d 67extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
5ce941ee 68extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
dfd4d47e 69extern void kvmppc_decrementer_func(unsigned long data);
af8f38b3 70extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
bbf45ba5 71
ecc0981f
HB		 72/* Core-specific hooks */
73
89168618 74extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
7924bd41 75 unsigned int gtlb_idx);
bbf45ba5 76extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
49dd2c49 77extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
ecc0981f 78extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
9cc5e953 79extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
fa86b8dd
HB		 80extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
81extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
be8d1cae
HB		 82extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
83 gva_t eaddr);
b52a638c
HB		 84extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
85extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
9dd921cf 86
db93f574
HB		 87extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
88 unsigned int id);
89extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
5cbb5106 90extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
9dd921cf 91extern int kvmppc_core_check_processor_compat(void);
5cbb5106
HB		 92extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
93 struct kvm_translation *tr);
9dd921cf
HB		 94
95extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
96extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
97
a8e4ef84 98extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
9dd921cf 99extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
25a8a02d 100extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
9dd921cf 101extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
7706664d 102extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
9dd921cf
HB		 103extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
104 struct kvm_interrupt *irq);
18978768
AG		 105extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
106 struct kvm_interrupt *irq);
9dd921cf 107
75f74f0d
HB		 108extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
109 unsigned int op, int *advance);
54771e62
AG		 110extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn,
111 ulong val);
112extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn,
113 ulong *val);
75f74f0d 114
db93f574
HB		 115extern int kvmppc_booke_init(void);
116extern void kvmppc_booke_exit(void);
117
c30f8a6c 118extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
2a342ed5 119extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
a4cd8b23 120extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
c30f8a6c 121
32fad281
PM		 122extern long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp);
123extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, u32 *htab_orderp);
de56a948
PM		 124extern void kvmppc_free_hpt(struct kvm *kvm);
125extern long kvmppc_prepare_vrma(struct kvm *kvm,
126 struct kvm_userspace_memory_region *mem);
c77162de 127extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
da9d1d7f 128 struct kvm_memory_slot *memslot, unsigned long porder);
a8606e20 129extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
54738c09
DG		 130extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
131 struct kvm_create_spapr_tce *args);
f31e65e1
BH		 132extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
133 unsigned long ioba, unsigned long tce);
aa04b4cc
PM		 134extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm,
135 struct kvm_allocate_rma *rma);
b4e70611
AG		 136extern struct kvmppc_linear_info *kvm_alloc_rma(void);
137extern void kvm_release_rma(struct kvmppc_linear_info *ri);
d2a1b483
AG		 138extern struct kvmppc_linear_info *kvm_alloc_hpt(void);
139extern void kvm_release_hpt(struct kvmppc_linear_info *li);
f9e0554d
PM		 140extern int kvmppc_core_init_vm(struct kvm *kvm);
141extern void kvmppc_core_destroy_vm(struct kvm *kvm);
142extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
143 struct kvm_userspace_memory_region *mem);
144extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
145 struct kvm_userspace_memory_region *mem);
5b74716e
BH		 146extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm,
147 struct kvm_ppc_smmu_info *info);
f9e0554d 148
d30f6e48
SW		 149extern int kvmppc_bookehv_init(void);
150extern void kvmppc_bookehv_exit(void);
151
0564ee8a
AG		 152/*
153 * Cuts out inst bits with ordering according to spec.
154 * That means the leftmost bit is zero. All given bits are included.
155 */
156static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
157{
158 u32 r;
159 u32 mask;
160
161 BUG_ON(msb > lsb);
162
163 mask = (1 << (lsb - msb + 1)) - 1;
164 r = (inst >> (63 - lsb)) & mask;
165
166 return r;
167}
168
169/*
170 * Replaces inst bits with ordering according to spec.
171 */
172static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
173{
174 u32 r;
175 u32 mask;
176
177 BUG_ON(msb > lsb);
178
179 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
180 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
181
182 return r;
183}
184
5ce941ee
SW		 185void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
186int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
187
188void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
189int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
190
31f3438e
PM		 191int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
192int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
193
5ce941ee
SW		 194void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
195
371fefd6
PM		 196#ifdef CONFIG_KVM_BOOK3S_64_HV
197static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
198{
199 paca[cpu].kvm_hstate.xics_phys = addr;
200}
aa04b4cc 201
b4e70611 202extern void kvm_linear_init(void);
aa04b4cc 203
371fefd6
PM		 204#else
205static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
206{}
aa04b4cc 207
b4e70611 208static inline void kvm_linear_init(void)
aa04b4cc 209{}
371fefd6
PM		 210#endif
211
dc83b8bc
SW		 212int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
213 struct kvm_config_tlb *cfg);
214int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
215 struct kvm_dirty_tlb *cfg);
216
043cc4d7
SW		 217long kvmppc_alloc_lpid(void);
218void kvmppc_claim_lpid(long lpid);
219void kvmppc_free_lpid(long lpid);
220void kvmppc_init_lpid(unsigned long nr_lpids);
221
249ba1ee
AG		 222static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
223{
224 /* Clear i-cache for new pages */
225 struct page *page;
226 page = pfn_to_page(pfn);
227 if (!test_bit(PG_arch_1, &page->flags)) {
228 flush_dcache_icache_page(page);
229 set_bit(PG_arch_1, &page->flags);
230 }
231}
232
233
bbf45ba5 234#endif /* __POWERPC_KVM_PPC_H__ */
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