![Hollis Blanchard](/assets/img/avatar_default.png)
This was left behind from some code movement. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
95 lines
3.3 KiB
C
95 lines
3.3 KiB
C
/*
|
|
* 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>
|
|
|
|
struct kvm_tlb {
|
|
struct tlbe guest_tlb[PPC44x_TLB_SIZE];
|
|
struct tlbe shadow_tlb[PPC44x_TLB_SIZE];
|
|
};
|
|
|
|
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 */
|
|
};
|
|
|
|
extern const unsigned char exception_priority[];
|
|
extern const unsigned char priority_exception[];
|
|
|
|
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_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_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
|
|
u32 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_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
|
|
u64 asid, u32 flags);
|
|
extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid);
|
|
extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
|
|
|
|
extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu);
|
|
|
|
static inline void kvmppc_queue_exception(struct kvm_vcpu *vcpu, int exception)
|
|
{
|
|
unsigned int priority = exception_priority[exception];
|
|
set_bit(priority, &vcpu->arch.pending_exceptions);
|
|
}
|
|
|
|
static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception)
|
|
{
|
|
unsigned int priority = exception_priority[exception];
|
|
clear_bit(priority, &vcpu->arch.pending_exceptions);
|
|
}
|
|
|
|
/* Helper function for "full" MSR writes. No need to call this if only EE is
|
|
* changing. */
|
|
static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
|
|
{
|
|
if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
|
|
kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
|
|
|
|
vcpu->arch.msr = new_msr;
|
|
|
|
if (vcpu->arch.msr & MSR_WE)
|
|
kvm_vcpu_block(vcpu);
|
|
}
|
|
|
|
#endif /* __POWERPC_KVM_PPC_H__ */
|