43d05c6123
Fix various W=1 warnings in booke.c:
arch/powerpc/kvm/booke.c:1008:5: error: no previous prototype for ‘kvmppc_handle_exit’ [-Werror=missing-prototypes]
1008 | int kvmppc_handle_exit(struct kvm_vcpu *vcpu, unsigned int exit_nr)
| ^~~~~~~~~~~~~~~~~~
arch/powerpc/kvm/booke.c:1009: warning: Function parameter or member 'vcpu' not described in 'kvmppc_handle_exit'
arch/powerpc/kvm/booke.c:1009: warning: Function parameter or member 'exit_nr' not described in 'kvmppc_handle_exit'
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/202304020827.3LEZ86WB-lkp@intel.com/
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230403045314.3095410-1-mpe@ellerman.id.au
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright IBM Corp. 2008
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*
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* Authors: Hollis Blanchard <hollisb@us.ibm.com>
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*/
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#ifndef __KVM_BOOKE_H__
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#define __KVM_BOOKE_H__
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#include <linux/types.h>
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#include <linux/kvm_host.h>
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#include <asm/kvm_ppc.h>
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#include <asm/switch_to.h>
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#include "timing.h"
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/* interrupt priortity ordering */
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#define BOOKE_IRQPRIO_DATA_STORAGE 0
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#define BOOKE_IRQPRIO_INST_STORAGE 1
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#define BOOKE_IRQPRIO_ALIGNMENT 2
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#define BOOKE_IRQPRIO_PROGRAM 3
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#define BOOKE_IRQPRIO_FP_UNAVAIL 4
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#ifdef CONFIG_SPE_POSSIBLE
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#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
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#define BOOKE_IRQPRIO_SPE_FP_DATA 6
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#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
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#endif
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#ifdef CONFIG_PPC_E500MC
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#define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5
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#define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6
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#endif
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#define BOOKE_IRQPRIO_SYSCALL 8
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#define BOOKE_IRQPRIO_AP_UNAVAIL 9
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#define BOOKE_IRQPRIO_DTLB_MISS 10
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#define BOOKE_IRQPRIO_ITLB_MISS 11
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#define BOOKE_IRQPRIO_MACHINE_CHECK 12
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#define BOOKE_IRQPRIO_DEBUG 13
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#define BOOKE_IRQPRIO_CRITICAL 14
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#define BOOKE_IRQPRIO_WATCHDOG 15
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#define BOOKE_IRQPRIO_EXTERNAL 16
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#define BOOKE_IRQPRIO_FIT 17
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#define BOOKE_IRQPRIO_DECREMENTER 18
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#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
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/* Internal pseudo-irqprio for level triggered externals */
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#define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
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#define BOOKE_IRQPRIO_DBELL 21
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#define BOOKE_IRQPRIO_DBELL_CRIT 22
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#define BOOKE_IRQPRIO_MAX 23
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#define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \
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(1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \
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(1 << BOOKE_IRQPRIO_DBELL) | \
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(1 << BOOKE_IRQPRIO_DECREMENTER) | \
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(1 << BOOKE_IRQPRIO_FIT) | \
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(1 << BOOKE_IRQPRIO_EXTERNAL))
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#define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \
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(1 << BOOKE_IRQPRIO_WATCHDOG) | \
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(1 << BOOKE_IRQPRIO_CRITICAL))
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extern unsigned long kvmppc_booke_handlers;
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extern unsigned long kvmppc_booke_handler_addr[];
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void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
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void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
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void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
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void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
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void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
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void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
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int kvmppc_booke_emulate_op(struct kvm_vcpu *vcpu,
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unsigned int inst, int *advance);
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int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
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int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
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/* low-level asm code to transfer guest state */
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void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu);
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void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu);
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/* high-level function, manages flags, host state */
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void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu);
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void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
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void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu);
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enum int_class {
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INT_CLASS_NONCRIT,
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INT_CLASS_CRIT,
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INT_CLASS_MC,
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INT_CLASS_DBG,
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};
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void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
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extern int kvmppc_core_emulate_op_e500(struct kvm_vcpu *vcpu,
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unsigned int inst, int *advance);
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extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
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ulong spr_val);
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extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
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ulong *spr_val);
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extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
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ulong spr_val);
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extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
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ulong *spr_val);
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static inline void kvmppc_clear_dbsr(void)
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{
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mtspr(SPRN_DBSR, mfspr(SPRN_DBSR));
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}
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int kvmppc_handle_exit(struct kvm_vcpu *vcpu, unsigned int exit_nr);
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#endif /* __KVM_BOOKE_H__ */
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