Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 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> |
Alexander Graf | 1c0006d | 2010-01-15 14:49:12 +0100 | [diff] [blame] | 31 | #ifdef CONFIG_PPC_BOOK3S |
| 32 | #include <asm/kvm_book3s.h> |
| 33 | #endif |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 34 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 35 | enum emulation_result { |
| 36 | EMULATE_DONE, /* no further processing */ |
| 37 | EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ |
| 38 | EMULATE_DO_DCR, /* kvm_run filled with DCR request */ |
| 39 | EMULATE_FAIL, /* can't emulate this instruction */ |
Alexander Graf | 37f5bca | 2010-02-19 11:00:31 +0100 | [diff] [blame] | 40 | EMULATE_AGAIN, /* something went wrong. go again */ |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 41 | }; |
| 42 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 43 | extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
| 44 | extern char kvmppc_handlers_start[]; |
| 45 | extern unsigned long kvmppc_handler_len; |
Alexander Graf | 29eb61b | 2009-10-30 05:47:07 +0000 | [diff] [blame] | 46 | extern void kvmppc_handler_highmem(void); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 47 | |
| 48 | extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); |
| 49 | extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| 50 | unsigned int rt, unsigned int bytes, |
| 51 | int is_bigendian); |
Alexander Graf | 3587d53 | 2010-02-19 11:00:30 +0100 | [diff] [blame] | 52 | extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| 53 | unsigned int rt, unsigned int bytes, |
| 54 | int is_bigendian); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 55 | extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, |
Alexander Graf | b104d06 | 2010-02-19 11:00:29 +0100 | [diff] [blame] | 56 | u64 val, unsigned int bytes, int is_bigendian); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 57 | |
| 58 | extern int kvmppc_emulate_instruction(struct kvm_run *run, |
| 59 | struct kvm_vcpu *vcpu); |
Hollis Blanchard | ce263d7 | 2008-05-21 18:22:51 -0500 | [diff] [blame] | 60 | extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 61 | extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 62 | |
Hollis Blanchard | ecc0981 | 2009-01-03 16:22:59 -0600 | [diff] [blame] | 63 | /* Core-specific hooks */ |
| 64 | |
Hollis Blanchard | 8916861 | 2008-12-02 15:51:53 -0600 | [diff] [blame] | 65 | extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, |
Hollis Blanchard | 7924bd4 | 2008-12-02 15:51:55 -0600 | [diff] [blame] | 66 | unsigned int gtlb_idx); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 67 | extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); |
Hollis Blanchard | 49dd2c4 | 2008-07-25 13:54:53 -0500 | [diff] [blame] | 68 | extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); |
Hollis Blanchard | ecc0981 | 2009-01-03 16:22:59 -0600 | [diff] [blame] | 69 | extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu); |
Hollis Blanchard | fa86b8d | 2009-01-03 16:23:03 -0600 | [diff] [blame] | 70 | extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
| 71 | extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
Hollis Blanchard | be8d1ca | 2009-01-03 16:23:02 -0600 | [diff] [blame] | 72 | extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, |
| 73 | gva_t eaddr); |
Hollis Blanchard | b52a638 | 2009-01-03 16:23:11 -0600 | [diff] [blame] | 74 | extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); |
| 75 | extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 76 | |
Hollis Blanchard | db93f57 | 2008-11-05 09:36:18 -0600 | [diff] [blame] | 77 | extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, |
| 78 | unsigned int id); |
| 79 | extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); |
Hollis Blanchard | 5cbb510 | 2008-11-05 09:36:17 -0600 | [diff] [blame] | 80 | extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 81 | extern int kvmppc_core_check_processor_compat(void); |
Hollis Blanchard | 5cbb510 | 2008-11-05 09:36:17 -0600 | [diff] [blame] | 82 | extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, |
| 83 | struct kvm_translation *tr); |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 84 | |
| 85 | extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); |
| 86 | extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); |
| 87 | |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 88 | extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); |
| 89 | extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); |
Alexander Graf | 25a8a02 | 2010-01-08 02:58:07 +0100 | [diff] [blame] | 90 | extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 91 | extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); |
Alexander Graf | 7706664d | 2009-12-21 20:21:24 +0100 | [diff] [blame] | 92 | extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); |
Hollis Blanchard | 9dd921c | 2008-11-05 09:36:14 -0600 | [diff] [blame] | 93 | extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, |
| 94 | struct kvm_interrupt *irq); |
| 95 | |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 96 | extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| 97 | unsigned int op, int *advance); |
| 98 | extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs); |
| 99 | extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt); |
| 100 | |
Hollis Blanchard | db93f57 | 2008-11-05 09:36:18 -0600 | [diff] [blame] | 101 | extern int kvmppc_booke_init(void); |
| 102 | extern void kvmppc_booke_exit(void); |
| 103 | |
Hollis Blanchard | c30f8a6 | 2008-11-24 11:37:38 -0600 | [diff] [blame] | 104 | extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); |
| 105 | |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 106 | #ifdef CONFIG_PPC_BOOK3S |
| 107 | |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 108 | /* We assume we're always acting on the current vcpu */ |
| 109 | |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 110 | static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) |
| 111 | { |
Alexander Graf | 1c0006d | 2010-01-15 14:49:12 +0100 | [diff] [blame] | 112 | if ( num < 14 ) { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 113 | get_paca()->shadow_vcpu.gpr[num] = val; |
Alexander Graf | 1c0006d | 2010-01-15 14:49:12 +0100 | [diff] [blame] | 114 | to_book3s(vcpu)->shadow_vcpu.gpr[num] = val; |
| 115 | } else |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 116 | vcpu->arch.gpr[num] = val; |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) |
| 120 | { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 121 | if ( num < 14 ) |
| 122 | return get_paca()->shadow_vcpu.gpr[num]; |
| 123 | else |
| 124 | return vcpu->arch.gpr[num]; |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 125 | } |
| 126 | |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 127 | static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) |
| 128 | { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 129 | get_paca()->shadow_vcpu.cr = val; |
Alexander Graf | 1c0006d | 2010-01-15 14:49:12 +0100 | [diff] [blame] | 130 | to_book3s(vcpu)->shadow_vcpu.cr = val; |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) |
| 134 | { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 135 | return get_paca()->shadow_vcpu.cr; |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) |
| 139 | { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 140 | get_paca()->shadow_vcpu.xer = val; |
Alexander Graf | 1c0006d | 2010-01-15 14:49:12 +0100 | [diff] [blame] | 141 | to_book3s(vcpu)->shadow_vcpu.xer = val; |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) |
| 145 | { |
Alexander Graf | 7e57cba | 2010-01-08 02:58:03 +0100 | [diff] [blame] | 146 | return get_paca()->shadow_vcpu.xer; |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 147 | } |
| 148 | |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 149 | #else |
| 150 | |
| 151 | static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) |
| 152 | { |
| 153 | vcpu->arch.gpr[num] = val; |
| 154 | } |
| 155 | |
| 156 | static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) |
| 157 | { |
| 158 | return vcpu->arch.gpr[num]; |
| 159 | } |
| 160 | |
Alexander Graf | 992b5b2 | 2010-01-08 02:58:02 +0100 | [diff] [blame] | 161 | static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) |
| 162 | { |
| 163 | vcpu->arch.cr = val; |
| 164 | } |
| 165 | |
| 166 | static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) |
| 167 | { |
| 168 | return vcpu->arch.cr; |
| 169 | } |
| 170 | |
| 171 | static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) |
| 172 | { |
| 173 | vcpu->arch.xer = val; |
| 174 | } |
| 175 | |
| 176 | static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) |
| 177 | { |
| 178 | return vcpu->arch.xer; |
| 179 | } |
| 180 | |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 181 | #endif |
| 182 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 183 | #endif /* __POWERPC_KVM_PPC_H__ */ |