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.
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.
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.
15 * Copyright IBM Corp. 2008
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
20 #ifndef __POWERPC_KVM_PPC_H__
21 #define __POWERPC_KVM_PPC_H__
23 /* This file exists just so we can dereference kvm_vcpu, avoiding nested header
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>
31 #ifdef CONFIG_PPC_BOOK3S
32 #include <asm/kvm_book3s.h>
34 #include <asm/kvm_booke.h>
37 enum emulation_result {
38 EMULATE_DONE, /* no further processing */
39 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
40 EMULATE_DO_DCR, /* kvm_run filled with DCR request */
41 EMULATE_FAIL, /* can't emulate this instruction */
42 EMULATE_AGAIN, /* something went wrong. go again */
45 extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
46 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
47 extern char kvmppc_handlers_start[];
48 extern unsigned long kvmppc_handler_len;
49 extern void kvmppc_handler_highmem(void);
51 extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
52 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
53 unsigned int rt, unsigned int bytes,
55 extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
56 unsigned int rt, unsigned int bytes,
58 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
59 u64 val, unsigned int bytes, int is_bigendian);
61 extern int kvmppc_emulate_instruction(struct kvm_run *run,
62 struct kvm_vcpu *vcpu);
63 extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
64 extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
65 extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
67 /* Core-specific hooks */
69 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
70 unsigned int gtlb_idx);
71 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
72 extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
73 extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
74 extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
75 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
76 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
77 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
79 extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
80 extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
82 extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
84 extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
85 extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
86 extern int kvmppc_core_check_processor_compat(void);
87 extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
88 struct kvm_translation *tr);
90 extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
91 extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
93 extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
94 extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
95 extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
96 extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
97 extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
98 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
99 struct kvm_interrupt *irq);
100 extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
101 struct kvm_interrupt *irq);
103 extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
104 unsigned int op, int *advance);
105 extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
106 extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
108 extern int kvmppc_booke_init(void);
109 extern void kvmppc_booke_exit(void);
111 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
112 extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
113 extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
115 extern long kvmppc_alloc_hpt(struct kvm *kvm);
116 extern void kvmppc_free_hpt(struct kvm *kvm);
117 extern long kvmppc_prepare_vrma(struct kvm *kvm,
118 struct kvm_userspace_memory_region *mem);
119 extern void kvmppc_map_vrma(struct kvm *kvm,
120 struct kvm_userspace_memory_region *mem);
121 extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
122 extern int kvmppc_core_init_vm(struct kvm *kvm);
123 extern void kvmppc_core_destroy_vm(struct kvm *kvm);
124 extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
125 struct kvm_userspace_memory_region *mem);
126 extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
127 struct kvm_userspace_memory_region *mem);
130 * Cuts out inst bits with ordering according to spec.
131 * That means the leftmost bit is zero. All given bits are included.
133 static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
140 mask = (1 << (lsb - msb + 1)) - 1;
141 r = (inst >> (63 - lsb)) & mask;
147 * Replaces inst bits with ordering according to spec.
149 static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
156 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
157 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
162 void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
163 int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
165 void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
166 int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
168 void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
170 #endif /* __POWERPC_KVM_PPC_H__ */