1c0006d8d1
Commit 7d01b4c3ed2bb33ceaf2d270cb4831a67a76b51b introduced PACA backed vcpu values. With this patch, when a userspace app was setting GPRs before it was actually first loaded, the set values get discarded. This is because vcpu_load loads them from the vcpu backing store that we use whenever we're not owning the PACA. That behavior is not really a major problem, because we don't need it for qemu. Other users (like kvmctl) do have problems with it though, so let's better do it right. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright SUSE Linux Products GmbH 2009
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*
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* Authors: Alexander Graf <agraf@suse.de>
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*/
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#ifndef __ASM_KVM_BOOK3S_H__
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#define __ASM_KVM_BOOK3S_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_book3s_64_asm.h>
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struct kvmppc_slb {
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u64 esid;
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u64 vsid;
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u64 orige;
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u64 origv;
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bool valid;
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bool Ks;
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bool Kp;
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bool nx;
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bool large; /* PTEs are 16MB */
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bool tb; /* 1TB segment */
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bool class;
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};
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struct kvmppc_sr {
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u32 raw;
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u32 vsid;
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bool Ks;
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bool Kp;
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bool nx;
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};
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struct kvmppc_bat {
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u64 raw;
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u32 bepi;
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u32 bepi_mask;
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bool vs;
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bool vp;
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u32 brpn;
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u8 wimg;
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u8 pp;
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};
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struct kvmppc_sid_map {
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u64 guest_vsid;
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u64 guest_esid;
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u64 host_vsid;
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bool valid;
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};
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#define SID_MAP_BITS 9
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#define SID_MAP_NUM (1 << SID_MAP_BITS)
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#define SID_MAP_MASK (SID_MAP_NUM - 1)
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struct kvmppc_vcpu_book3s {
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struct kvm_vcpu vcpu;
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struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
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struct kvmppc_sid_map sid_map[SID_MAP_NUM];
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struct kvmppc_slb slb[64];
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struct {
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u64 esid;
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u64 vsid;
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} slb_shadow[64];
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u8 slb_shadow_max;
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struct kvmppc_sr sr[16];
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struct kvmppc_bat ibat[8];
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struct kvmppc_bat dbat[8];
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u64 hid[6];
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int slb_nr;
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u64 sdr1;
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u64 dsisr;
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u64 hior;
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u64 msr_mask;
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u64 vsid_first;
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u64 vsid_next;
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u64 vsid_max;
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int context_id;
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ulong prog_flags; /* flags to inject when giving a 700 trap */
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};
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#define CONTEXT_HOST 0
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#define CONTEXT_GUEST 1
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#define CONTEXT_GUEST_END 2
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#define VSID_REAL 0xfffffffffff00000
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#define VSID_REAL_DR 0xffffffffffe00000
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#define VSID_REAL_IR 0xffffffffffd00000
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#define VSID_BAT 0xffffffffffc00000
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#define VSID_PR 0x8000000000000000
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extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
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extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
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extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
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extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
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extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
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extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
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extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
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extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
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extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
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extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
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extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
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extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
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extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
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extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
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bool upper, u32 val);
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extern u32 kvmppc_trampoline_lowmem;
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extern u32 kvmppc_trampoline_enter;
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extern void kvmppc_rmcall(ulong srr0, ulong srr1);
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extern void kvmppc_load_up_fpu(void);
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extern void kvmppc_load_up_altivec(void);
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extern void kvmppc_load_up_vsx(void);
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static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
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{
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return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
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}
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static inline ulong dsisr(void)
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{
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ulong r;
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asm ( "mfdsisr %0 " : "=r" (r) );
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return r;
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}
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extern void kvm_return_point(void);
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#define INS_DCBZ 0x7c0007ec
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#endif /* __ASM_KVM_BOOK3S_H__ */
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