cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/kvm/booke.h

Directory: arch/powerpc/kvm
/*
 * 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
#ifdef CONFIG_SPE_POSSIBLE

#define BOOKE_IRQPRIO_SPE_UNAVAIL 5

#define BOOKE_IRQPRIO_SPE_FP_DATA 6

#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
#endif
#ifdef CONFIG_PPC_E500MC

#define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5

#define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6
#endif

#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);

extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
				       struct kvm_vcpu *vcpu,
				       unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
					  ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
					  ulong *spr_val);
extern void kvmppc_mmu_destroy_e500(struct kvm_vcpu *vcpu);
extern int kvmppc_core_emulate_op_e500(struct kvm_run *run,
				       struct kvm_vcpu *vcpu,
				       unsigned int inst, int *advance);
extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
					  ulong spr_val);
extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
					  ulong *spr_val);


static inline void kvmppc_clear_dbsr(void) { mtspr(SPRN_DBSR, mfspr(SPRN_DBSR)); }

Contributors

PersonTokensPropCommitsCommitProp
Bharat Bhushan19100.00%1100.00%
Total19100.00%1100.00%

#endif /* __KVM_BOOKE_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Hollis Blanchard17033.27%631.58%
Aneesh Kumar K.V13225.83%15.26%
Scott Wood13225.83%526.32%
Mihai Caraman305.87%210.53%
Bharat Bhushan254.89%210.53%
Liu Yu122.35%15.26%
Alexander Graf101.96%210.53%
Total511100.00%19100.00%
Directory: arch/powerpc/kvm
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