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Hollis Blanchardbbf45ba2008-04-16 23:28:09 -05001/*
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>
Alexander Graf1c0006d2010-01-15 14:49:12 +010031#ifdef CONFIG_PPC_BOOK3S
32#include <asm/kvm_book3s.h>
Alexander Grafc7f38f42010-04-16 00:11:40 +020033#else
34#include <asm/kvm_booke.h>
Alexander Graf1c0006d2010-01-15 14:49:12 +010035#endif
Paul Mackerras371fefd2011-06-29 00:23:08 +000036#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
37#include <asm/paca.h>
38#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050039
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050040enum 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 */
Alexander Graf37f5bca2010-02-19 11:00:31 +010045 EMULATE_AGAIN, /* something went wrong. go again */
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050046};
47
Paul Mackerrasdf6909e52011-06-29 00:19:50 +000048extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050049extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
50extern char kvmppc_handlers_start[];
51extern unsigned long kvmppc_handler_len;
Alexander Graf29eb61b2009-10-30 05:47:07 +000052extern void kvmppc_handler_highmem(void);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050053
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);
Alexander Graf3587d532010-02-19 11:00:30 +010058extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
59 unsigned int rt, unsigned int bytes,
60 int is_bigendian);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050061extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
Alexander Grafb104d062010-02-19 11:00:29 +010062 u64 val, unsigned int bytes, int is_bigendian);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050063
64extern int kvmppc_emulate_instruction(struct kvm_run *run,
65 struct kvm_vcpu *vcpu);
Hollis Blanchardce263d72008-05-21 18:22:51 -050066extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
Hollis Blanchard75f74f02008-11-05 09:36:16 -060067extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
Scott Wood5ce941e2011-04-27 17:24:21 -050068extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
Scott Wooddfd4d472011-11-17 12:39:59 +000069extern void kvmppc_decrementer_func(unsigned long data);
Alexander Grafaf8f38b2011-08-10 13:57:08 +020070extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050071
Hollis Blanchardecc09812009-01-03 16:22:59 -060072/* Core-specific hooks */
73
Hollis Blanchard89168612008-12-02 15:51:53 -060074extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
Hollis Blanchard7924bd42008-12-02 15:51:55 -060075 unsigned int gtlb_idx);
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050076extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
Hollis Blanchard49dd2c42008-07-25 13:54:53 -050077extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
Hollis Blanchardecc09812009-01-03 16:22:59 -060078extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
Alexander Graf9cc5e952010-04-16 00:11:45 +020079extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
Hollis Blanchardfa86b8d2009-01-03 16:23:03 -060080extern 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);
Hollis Blanchardbe8d1ca2009-01-03 16:23:02 -060082extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
83 gva_t eaddr);
Hollis Blanchardb52a6382009-01-03 16:23:11 -060084extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
85extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -060086
Hollis Blancharddb93f572008-11-05 09:36:18 -060087extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
88 unsigned int id);
89extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
Hollis Blanchard5cbb5102008-11-05 09:36:17 -060090extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -060091extern int kvmppc_core_check_processor_compat(void);
Hollis Blanchard5cbb5102008-11-05 09:36:17 -060092extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
93 struct kvm_translation *tr);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -060094
95extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
96extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
97
Scott Wood7e28e60e2011-11-08 18:23:20 -060098extern void kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -060099extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
Alexander Graf25a8a022010-01-08 02:58:07 +0100100extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600101extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
Alexander Graf7706664d2009-12-21 20:21:24 +0100102extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600103extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
104 struct kvm_interrupt *irq);
Alexander Graf18978762010-03-24 21:48:18 +0100105extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
106 struct kvm_interrupt *irq);
Hollis Blanchard9dd921c2008-11-05 09:36:14 -0600107
Hollis Blanchard75f74f02008-11-05 09:36:16 -0600108extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
109 unsigned int op, int *advance);
110extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
111extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
112
Hollis Blancharddb93f572008-11-05 09:36:18 -0600113extern int kvmppc_booke_init(void);
114extern void kvmppc_booke_exit(void);
115
Hollis Blanchardc30f8a62008-11-24 11:37:38 -0600116extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
Alexander Graf2a342ed2010-07-29 14:47:48 +0200117extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
Scott Wooda4cd8b22011-06-14 18:34:41 -0500118extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
Hollis Blanchardc30f8a62008-11-24 11:37:38 -0600119
Paul Mackerrasde56a942011-06-29 00:21:34 +0000120extern long kvmppc_alloc_hpt(struct kvm *kvm);
121extern void kvmppc_free_hpt(struct kvm *kvm);
122extern long kvmppc_prepare_vrma(struct kvm *kvm,
123 struct kvm_userspace_memory_region *mem);
Paul Mackerrasc77162d2011-12-12 12:31:00 +0000124extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
Paul Mackerrasda9d1d72011-12-12 12:31:41 +0000125 struct kvm_memory_slot *memslot, unsigned long porder);
Paul Mackerrasa8606e22011-06-29 00:22:05 +0000126extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
David Gibson54738c02011-06-29 00:22:41 +0000127extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
128 struct kvm_create_spapr_tce *args);
Paul Mackerrasaa04b4c2011-06-29 00:25:44 +0000129extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm,
130 struct kvm_allocate_rma *rma);
Alexander Grafb4e70612012-01-16 16:50:10 +0100131extern struct kvmppc_linear_info *kvm_alloc_rma(void);
132extern void kvm_release_rma(struct kvmppc_linear_info *ri);
Alexander Grafd2a1b482012-01-16 19:12:11 +0100133extern struct kvmppc_linear_info *kvm_alloc_hpt(void);
134extern void kvm_release_hpt(struct kvmppc_linear_info *li);
Paul Mackerrasf9e05542011-06-29 00:19:22 +0000135extern int kvmppc_core_init_vm(struct kvm *kvm);
136extern void kvmppc_core_destroy_vm(struct kvm *kvm);
137extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
138 struct kvm_userspace_memory_region *mem);
139extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
140 struct kvm_userspace_memory_region *mem);
141
Alexander Graf0564ee82010-02-19 11:00:42 +0100142/*
143 * Cuts out inst bits with ordering according to spec.
144 * That means the leftmost bit is zero. All given bits are included.
145 */
146static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
147{
148 u32 r;
149 u32 mask;
150
151 BUG_ON(msb > lsb);
152
153 mask = (1 << (lsb - msb + 1)) - 1;
154 r = (inst >> (63 - lsb)) & mask;
155
156 return r;
157}
158
159/*
160 * Replaces inst bits with ordering according to spec.
161 */
162static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
163{
164 u32 r;
165 u32 mask;
166
167 BUG_ON(msb > lsb);
168
169 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
170 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
171
172 return r;
173}
174
Scott Wood5ce941e2011-04-27 17:24:21 -0500175void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
176int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
177
178void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
179int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
180
Paul Mackerras31f34382011-12-12 12:26:50 +0000181int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
182int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
183
Scott Wood5ce941e2011-04-27 17:24:21 -0500184void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
185
Paul Mackerras371fefd2011-06-29 00:23:08 +0000186#ifdef CONFIG_KVM_BOOK3S_64_HV
187static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
188{
189 paca[cpu].kvm_hstate.xics_phys = addr;
190}
Paul Mackerrasaa04b4c2011-06-29 00:25:44 +0000191
Alexander Grafb4e70612012-01-16 16:50:10 +0100192extern void kvm_linear_init(void);
Paul Mackerrasaa04b4c2011-06-29 00:25:44 +0000193
Paul Mackerras371fefd2011-06-29 00:23:08 +0000194#else
195static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
196{}
Paul Mackerrasaa04b4c2011-06-29 00:25:44 +0000197
Alexander Grafb4e70612012-01-16 16:50:10 +0100198static inline void kvm_linear_init(void)
Paul Mackerrasaa04b4c2011-06-29 00:25:44 +0000199{}
Paul Mackerras371fefd2011-06-29 00:23:08 +0000200#endif
201
Scott Wooddc83b8b2011-08-18 15:25:21 -0500202int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
203 struct kvm_config_tlb *cfg);
204int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
205 struct kvm_dirty_tlb *cfg);
206
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500207#endif /* __POWERPC_KVM_PPC_H__ */