Skip to content

Commit

Permalink
Merge branch 'kvm' into next
Browse files Browse the repository at this point in the history
  • Loading branch information
Benjamin Herrenschmidt committed Nov 5, 2009
2 parents 41c8c46 + 544c676 commit d4e09f8
Show file tree
Hide file tree
Showing 31 changed files with 3,833 additions and 33 deletions.
2 changes: 2 additions & 0 deletions arch/powerpc/include/asm/exception-64s.h
Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,7 @@
.globl label##_pSeries; \
label##_pSeries: \
HMT_MEDIUM; \
DO_KVM n; \
mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)

Expand All @@ -170,6 +171,7 @@ label##_pSeries: \
.globl label##_pSeries; \
label##_pSeries: \
HMT_MEDIUM; \
DO_KVM n; \
mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \
std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \
Expand Down
2 changes: 2 additions & 0 deletions arch/powerpc/include/asm/kvm.h
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ struct kvm_regs {
};

struct kvm_sregs {
__u32 pvr;
char pad[1020];
};

struct kvm_fpu {
Expand Down
39 changes: 39 additions & 0 deletions arch/powerpc/include/asm/kvm_asm.h
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,45 @@
#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35

/* book3s */

#define BOOK3S_INTERRUPT_SYSTEM_RESET 0x100
#define BOOK3S_INTERRUPT_MACHINE_CHECK 0x200
#define BOOK3S_INTERRUPT_DATA_STORAGE 0x300
#define BOOK3S_INTERRUPT_DATA_SEGMENT 0x380
#define BOOK3S_INTERRUPT_INST_STORAGE 0x400
#define BOOK3S_INTERRUPT_INST_SEGMENT 0x480
#define BOOK3S_INTERRUPT_EXTERNAL 0x500
#define BOOK3S_INTERRUPT_ALIGNMENT 0x600
#define BOOK3S_INTERRUPT_PROGRAM 0x700
#define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800
#define BOOK3S_INTERRUPT_DECREMENTER 0x900
#define BOOK3S_INTERRUPT_SYSCALL 0xc00
#define BOOK3S_INTERRUPT_TRACE 0xd00
#define BOOK3S_INTERRUPT_PERFMON 0xf00
#define BOOK3S_INTERRUPT_ALTIVEC 0xf20
#define BOOK3S_INTERRUPT_VSX 0xf40

#define BOOK3S_IRQPRIO_SYSTEM_RESET 0
#define BOOK3S_IRQPRIO_DATA_SEGMENT 1
#define BOOK3S_IRQPRIO_INST_SEGMENT 2
#define BOOK3S_IRQPRIO_DATA_STORAGE 3
#define BOOK3S_IRQPRIO_INST_STORAGE 4
#define BOOK3S_IRQPRIO_ALIGNMENT 5
#define BOOK3S_IRQPRIO_PROGRAM 6
#define BOOK3S_IRQPRIO_FP_UNAVAIL 7
#define BOOK3S_IRQPRIO_ALTIVEC 8
#define BOOK3S_IRQPRIO_VSX 9
#define BOOK3S_IRQPRIO_SYSCALL 10
#define BOOK3S_IRQPRIO_MACHINE_CHECK 11
#define BOOK3S_IRQPRIO_DEBUG 12
#define BOOK3S_IRQPRIO_EXTERNAL 13
#define BOOK3S_IRQPRIO_DECREMENTER 14
#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 15
#define BOOK3S_IRQPRIO_MAX 16

#define BOOK3S_HFLAG_DCBZ32 0x1

#define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */
#define RESUME_FLAG_HOST (1<<1) /* Resume host? */

Expand Down
136 changes: 136 additions & 0 deletions arch/powerpc/include/asm/kvm_book3s.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,136 @@
/*
* 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 SUSE Linux Products GmbH 2009
*
* Authors: Alexander Graf <agraf@suse.de>
*/

#ifndef __ASM_KVM_BOOK3S_H__
#define __ASM_KVM_BOOK3S_H__

#include <linux/types.h>
#include <linux/kvm_host.h>
#include <asm/kvm_ppc.h>

struct kvmppc_slb {
u64 esid;
u64 vsid;
u64 orige;
u64 origv;
bool valid;
bool Ks;
bool Kp;
bool nx;
bool large;
bool class;
};

struct kvmppc_sr {
u32 raw;
u32 vsid;
bool Ks;
bool Kp;
bool nx;
};

struct kvmppc_bat {
u32 bepi;
u32 bepi_mask;
bool vs;
bool vp;
u32 brpn;
u8 wimg;
u8 pp;
};

struct kvmppc_sid_map {
u64 guest_vsid;
u64 guest_esid;
u64 host_vsid;
bool valid;
};

#define SID_MAP_BITS 9
#define SID_MAP_NUM (1 << SID_MAP_BITS)
#define SID_MAP_MASK (SID_MAP_NUM - 1)

struct kvmppc_vcpu_book3s {
struct kvm_vcpu vcpu;
struct kvmppc_sid_map sid_map[SID_MAP_NUM];
struct kvmppc_slb slb[64];
struct {
u64 esid;
u64 vsid;
} slb_shadow[64];
u8 slb_shadow_max;
struct kvmppc_sr sr[16];
struct kvmppc_bat ibat[8];
struct kvmppc_bat dbat[8];
u64 hid[6];
int slb_nr;
u64 sdr1;
u64 dsisr;
u64 hior;
u64 msr_mask;
u64 vsid_first;
u64 vsid_next;
u64 vsid_max;
int context_id;
};

#define CONTEXT_HOST 0
#define CONTEXT_GUEST 1
#define CONTEXT_GUEST_END 2

#define VSID_REAL 0xfffffffffff00000
#define VSID_REAL_DR 0xffffffffffe00000
#define VSID_REAL_IR 0xffffffffffd00000
#define VSID_BAT 0xffffffffffc00000
#define VSID_PR 0x8000000000000000

extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);

extern u32 kvmppc_trampoline_lowmem;
extern u32 kvmppc_trampoline_enter;

static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
{
return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
}

static inline ulong dsisr(void)
{
ulong r;
asm ( "mfdsisr %0 " : "=r" (r) );
return r;
}

extern void kvm_return_point(void);

#define INS_DCBZ 0x7c0007ec

#endif /* __ASM_KVM_BOOK3S_H__ */
58 changes: 58 additions & 0 deletions arch/powerpc/include/asm/kvm_book3s_64_asm.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,58 @@
/*
* 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 SUSE Linux Products GmbH 2009
*
* Authors: Alexander Graf <agraf@suse.de>
*/

#ifndef __ASM_KVM_BOOK3S_ASM_H__
#define __ASM_KVM_BOOK3S_ASM_H__

#ifdef CONFIG_KVM_BOOK3S_64_HANDLER

#include <asm/kvm_asm.h>

.macro DO_KVM intno
.if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \
(\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \
(\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \
(\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \
(\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \
(\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \
(\intno == BOOK3S_INTERRUPT_EXTERNAL) || \
(\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \
(\intno == BOOK3S_INTERRUPT_PROGRAM) || \
(\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \
(\intno == BOOK3S_INTERRUPT_DECREMENTER) || \
(\intno == BOOK3S_INTERRUPT_SYSCALL) || \
(\intno == BOOK3S_INTERRUPT_TRACE) || \
(\intno == BOOK3S_INTERRUPT_PERFMON) || \
(\intno == BOOK3S_INTERRUPT_ALTIVEC) || \
(\intno == BOOK3S_INTERRUPT_VSX)

b kvmppc_trampoline_\intno
kvmppc_resume_\intno:

.endif
.endm

#else

.macro DO_KVM intno
.endm

#endif /* CONFIG_KVM_BOOK3S_64_HANDLER */

#endif /* __ASM_KVM_BOOK3S_ASM_H__ */
Loading

0 comments on commit d4e09f8

Please sign in to comment.