mirror of https://gitee.com/openkylin/linux.git
133 lines
4.3 KiB
C
133 lines
4.3 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 __KVM_BOOKE_H__
|
|
#define __KVM_BOOKE_H__
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/kvm_host.h>
|
|
#include <asm/kvm_ppc.h>
|
|
#include <asm/switch_to.h>
|
|
#include "timing.h"
|
|
|
|
/* interrupt priortity ordering */
|
|
#define BOOKE_IRQPRIO_DATA_STORAGE 0
|
|
#define BOOKE_IRQPRIO_INST_STORAGE 1
|
|
#define BOOKE_IRQPRIO_ALIGNMENT 2
|
|
#define BOOKE_IRQPRIO_PROGRAM 3
|
|
#define BOOKE_IRQPRIO_FP_UNAVAIL 4
|
|
#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
|
|
#define BOOKE_IRQPRIO_SPE_FP_DATA 6
|
|
#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
|
|
#define BOOKE_IRQPRIO_SYSCALL 8
|
|
#define BOOKE_IRQPRIO_AP_UNAVAIL 9
|
|
#define BOOKE_IRQPRIO_DTLB_MISS 10
|
|
#define BOOKE_IRQPRIO_ITLB_MISS 11
|
|
#define BOOKE_IRQPRIO_MACHINE_CHECK 12
|
|
#define BOOKE_IRQPRIO_DEBUG 13
|
|
#define BOOKE_IRQPRIO_CRITICAL 14
|
|
#define BOOKE_IRQPRIO_WATCHDOG 15
|
|
#define BOOKE_IRQPRIO_EXTERNAL 16
|
|
#define BOOKE_IRQPRIO_FIT 17
|
|
#define BOOKE_IRQPRIO_DECREMENTER 18
|
|
#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
|
|
/* Internal pseudo-irqprio for level triggered externals */
|
|
#define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
|
|
#define BOOKE_IRQPRIO_DBELL 21
|
|
#define BOOKE_IRQPRIO_DBELL_CRIT 22
|
|
#define BOOKE_IRQPRIO_MAX 23
|
|
|
|
#define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \
|
|
(1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \
|
|
(1 << BOOKE_IRQPRIO_DBELL) | \
|
|
(1 << BOOKE_IRQPRIO_DECREMENTER) | \
|
|
(1 << BOOKE_IRQPRIO_FIT) | \
|
|
(1 << BOOKE_IRQPRIO_EXTERNAL))
|
|
|
|
#define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \
|
|
(1 << BOOKE_IRQPRIO_WATCHDOG) | \
|
|
(1 << BOOKE_IRQPRIO_CRITICAL))
|
|
|
|
extern unsigned long kvmppc_booke_handlers;
|
|
extern unsigned long kvmppc_booke_handler_addr[];
|
|
|
|
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
|
|
void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
|
|
|
|
void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
|
|
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
|
|
void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
|
|
void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
|
|
|
|
int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
|
|
unsigned int inst, int *advance);
|
|
int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
|
|
int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
|
|
|
|
/* low-level asm code to transfer guest state */
|
|
void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu);
|
|
void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu);
|
|
|
|
/* high-level function, manages flags, host state */
|
|
void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu);
|
|
|
|
void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
|
|
void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu);
|
|
|
|
enum int_class {
|
|
INT_CLASS_NONCRIT,
|
|
INT_CLASS_CRIT,
|
|
INT_CLASS_MC,
|
|
INT_CLASS_DBG,
|
|
};
|
|
|
|
void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
|
|
|
|
/*
|
|
* Load up guest vcpu FP state if it's needed.
|
|
* It also set the MSR_FP in thread so that host know
|
|
* we're holding FPU, and then host can help to save
|
|
* guest vcpu FP state if other threads require to use FPU.
|
|
* This simulates an FP unavailable fault.
|
|
*
|
|
* It requires to be called with preemption disabled.
|
|
*/
|
|
static inline void kvmppc_load_guest_fp(struct kvm_vcpu *vcpu)
|
|
{
|
|
#ifdef CONFIG_PPC_FPU
|
|
if (vcpu->fpu_active && !(current->thread.regs->msr & MSR_FP)) {
|
|
load_up_fpu();
|
|
current->thread.regs->msr |= MSR_FP;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Save guest vcpu FP state into thread.
|
|
* It requires to be called with preemption disabled.
|
|
*/
|
|
static inline void kvmppc_save_guest_fp(struct kvm_vcpu *vcpu)
|
|
{
|
|
#ifdef CONFIG_PPC_FPU
|
|
if (vcpu->fpu_active && (current->thread.regs->msr & MSR_FP))
|
|
giveup_fpu(current);
|
|
#endif
|
|
}
|
|
#endif /* __KVM_BOOKE_H__ */
|