| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| * Copyright IBM Corp. 2008 |
| * |
| * Authors: Hollis Blanchard <hollisb@us.ibm.com> |
| */ |
| |
| #ifndef __POWERPC_KVM_PPC_H__ |
| #define __POWERPC_KVM_PPC_H__ |
| |
| /* This file exists just so we can dereference kvm_vcpu, avoiding nested header |
| * dependencies. */ |
| |
| #include <linux/mutex.h> |
| #include <linux/timer.h> |
| #include <linux/types.h> |
| #include <linux/kvm_types.h> |
| #include <linux/kvm_host.h> |
| #ifdef CONFIG_PPC_BOOK3S |
| #include <asm/kvm_book3s.h> |
| #else |
| #include <asm/kvm_booke.h> |
| #endif |
| #ifdef CONFIG_KVM_BOOK3S_64_HANDLER |
| #include <asm/paca.h> |
| #endif |
| |
| enum emulation_result { |
| EMULATE_DONE, /* no further processing */ |
| EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */ |
| EMULATE_DO_DCR, /* kvm_run filled with DCR request */ |
| EMULATE_FAIL, /* can't emulate this instruction */ |
| EMULATE_AGAIN, /* something went wrong. go again */ |
| }; |
| |
| extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
| extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu); |
| extern char kvmppc_handlers_start[]; |
| extern unsigned long kvmppc_handler_len; |
| extern void kvmppc_handler_highmem(void); |
| |
| extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); |
| extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| unsigned int rt, unsigned int bytes, |
| int is_bigendian); |
| extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| unsigned int rt, unsigned int bytes, |
| int is_bigendian); |
| extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| u64 val, unsigned int bytes, int is_bigendian); |
| |
| extern int kvmppc_emulate_instruction(struct kvm_run *run, |
| struct kvm_vcpu *vcpu); |
| extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); |
| extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); |
| extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); |
| extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu); |
| |
| /* Core-specific hooks */ |
| |
| extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr, |
| unsigned int gtlb_idx); |
| extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); |
| extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); |
| extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu); |
| extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu); |
| extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
| extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); |
| extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, |
| gva_t eaddr); |
| extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); |
| extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); |
| |
| extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, |
| unsigned int id); |
| extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); |
| extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); |
| extern int kvmppc_core_check_processor_compat(void); |
| extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, |
| struct kvm_translation *tr); |
| |
| extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu); |
| extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); |
| |
| extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu); |
| extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); |
| extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); |
| extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); |
| extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); |
| extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, |
| struct kvm_interrupt *irq); |
| extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu, |
| struct kvm_interrupt *irq); |
| |
| extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, |
| unsigned int op, int *advance); |
| extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs); |
| extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt); |
| |
| extern int kvmppc_booke_init(void); |
| extern void kvmppc_booke_exit(void); |
| |
| extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); |
| extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu); |
| extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); |
| |
| extern long kvmppc_alloc_hpt(struct kvm *kvm); |
| extern void kvmppc_free_hpt(struct kvm *kvm); |
| extern long kvmppc_prepare_vrma(struct kvm *kvm, |
| struct kvm_userspace_memory_region *mem); |
| extern void kvmppc_map_vrma(struct kvm *kvm, |
| struct kvm_userspace_memory_region *mem); |
| extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu); |
| extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, |
| struct kvm_create_spapr_tce *args); |
| extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, |
| struct kvm_allocate_rma *rma); |
| extern struct kvmppc_rma_info *kvm_alloc_rma(void); |
| extern void kvm_release_rma(struct kvmppc_rma_info *ri); |
| extern int kvmppc_core_init_vm(struct kvm *kvm); |
| extern void kvmppc_core_destroy_vm(struct kvm *kvm); |
| extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, |
| struct kvm_userspace_memory_region *mem); |
| extern void kvmppc_core_commit_memory_region(struct kvm *kvm, |
| struct kvm_userspace_memory_region *mem); |
| |
| /* |
| * Cuts out inst bits with ordering according to spec. |
| * That means the leftmost bit is zero. All given bits are included. |
| */ |
| static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb) |
| { |
| u32 r; |
| u32 mask; |
| |
| BUG_ON(msb > lsb); |
| |
| mask = (1 << (lsb - msb + 1)) - 1; |
| r = (inst >> (63 - lsb)) & mask; |
| |
| return r; |
| } |
| |
| /* |
| * Replaces inst bits with ordering according to spec. |
| */ |
| static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) |
| { |
| u32 r; |
| u32 mask; |
| |
| BUG_ON(msb > lsb); |
| |
| mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb); |
| r = (inst & ~mask) | ((value << (63 - lsb)) & mask); |
| |
| return r; |
| } |
| |
| void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
| int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
| |
| void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
| int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); |
| |
| void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); |
| |
| #ifdef CONFIG_KVM_BOOK3S_64_HV |
| static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) |
| { |
| paca[cpu].kvm_hstate.xics_phys = addr; |
| } |
| |
| extern void kvm_rma_init(void); |
| |
| #else |
| static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) |
| {} |
| |
| static inline void kvm_rma_init(void) |
| {} |
| #endif |
| |
| #endif /* __POWERPC_KVM_PPC_H__ */ |
