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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/ia64/kvm/vcpu.h

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20 KiB
C
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/*
* vcpu.h: vcpu routines
* Copyright (c) 2005, Intel Corporation.
* Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
* Yaozu Dong (Eddie Dong) (Eddie.dong@intel.com)
*
* Copyright (c) 2007, Intel Corporation.
* Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
* Xiantao Zhang (xiantao.zhang@intel.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
*/
#ifndef __KVM_VCPU_H__
#define __KVM_VCPU_H__
#include <asm/types.h>
#include <asm/fpu.h>
#include <asm/processor.h>
#ifndef __ASSEMBLY__
#include "vti.h"
#include <linux/kvm_host.h>
#include <linux/spinlock.h>
typedef unsigned long IA64_INST;
typedef union U_IA64_BUNDLE {
unsigned long i64[2];
struct { unsigned long template:5, slot0:41, slot1a:18,
slot1b:23, slot2:41; };
/* NOTE: following doesn't work because bitfields can't cross natural
size boundaries
struct { unsigned long template:5, slot0:41, slot1:41, slot2:41; }; */
} IA64_BUNDLE;
typedef union U_INST64_A5 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, imm7b:7, r3:2, imm5c:5,
imm9d:9, s:1, major:4; };
} INST64_A5;
typedef union U_INST64_B4 {
IA64_INST inst;
struct { unsigned long qp:6, btype:3, un3:3, p:1, b2:3, un11:11, x6:6,
wh:2, d:1, un1:1, major:4; };
} INST64_B4;
typedef union U_INST64_B8 {
IA64_INST inst;
struct { unsigned long qp:6, un21:21, x6:6, un4:4, major:4; };
} INST64_B8;
typedef union U_INST64_B9 {
IA64_INST inst;
struct { unsigned long qp:6, imm20:20, :1, x6:6, :3, i:1, major:4; };
} INST64_B9;
typedef union U_INST64_I19 {
IA64_INST inst;
struct { unsigned long qp:6, imm20:20, :1, x6:6, x3:3, i:1, major:4; };
} INST64_I19;
typedef union U_INST64_I26 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, ar3:7, x6:6, x3:3, :1, major:4; };
} INST64_I26;
typedef union U_INST64_I27 {
IA64_INST inst;
struct { unsigned long qp:6, :7, imm:7, ar3:7, x6:6, x3:3, s:1, major:4; };
} INST64_I27;
typedef union U_INST64_I28 { /* not privileged (mov from AR) */
IA64_INST inst;
struct { unsigned long qp:6, r1:7, :7, ar3:7, x6:6, x3:3, :1, major:4; };
} INST64_I28;
typedef union U_INST64_M28 {
IA64_INST inst;
struct { unsigned long qp:6, :14, r3:7, x6:6, x3:3, :1, major:4; };
} INST64_M28;
typedef union U_INST64_M29 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, ar3:7, x6:6, x3:3, :1, major:4; };
} INST64_M29;
typedef union U_INST64_M30 {
IA64_INST inst;
struct { unsigned long qp:6, :7, imm:7, ar3:7, x4:4, x2:2,
x3:3, s:1, major:4; };
} INST64_M30;
typedef union U_INST64_M31 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, :7, ar3:7, x6:6, x3:3, :1, major:4; };
} INST64_M31;
typedef union U_INST64_M32 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, cr3:7, x6:6, x3:3, :1, major:4; };
} INST64_M32;
typedef union U_INST64_M33 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, :7, cr3:7, x6:6, x3:3, :1, major:4; };
} INST64_M33;
typedef union U_INST64_M35 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, :7, x6:6, x3:3, :1, major:4; };
} INST64_M35;
typedef union U_INST64_M36 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, :14, x6:6, x3:3, :1, major:4; };
} INST64_M36;
typedef union U_INST64_M37 {
IA64_INST inst;
struct { unsigned long qp:6, imm20a:20, :1, x4:4, x2:2, x3:3,
i:1, major:4; };
} INST64_M37;
typedef union U_INST64_M41 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, :7, x6:6, x3:3, :1, major:4; };
} INST64_M41;
typedef union U_INST64_M42 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, r3:7, x6:6, x3:3, :1, major:4; };
} INST64_M42;
typedef union U_INST64_M43 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, :7, r3:7, x6:6, x3:3, :1, major:4; };
} INST64_M43;
typedef union U_INST64_M44 {
IA64_INST inst;
struct { unsigned long qp:6, imm:21, x4:4, i2:2, x3:3, i:1, major:4; };
} INST64_M44;
typedef union U_INST64_M45 {
IA64_INST inst;
struct { unsigned long qp:6, :7, r2:7, r3:7, x6:6, x3:3, :1, major:4; };
} INST64_M45;
typedef union U_INST64_M46 {
IA64_INST inst;
struct { unsigned long qp:6, r1:7, un7:7, r3:7, x6:6,
x3:3, un1:1, major:4; };
} INST64_M46;
typedef union U_INST64_M47 {
IA64_INST inst;
struct { unsigned long qp:6, un14:14, r3:7, x6:6, x3:3, un1:1, major:4; };
} INST64_M47;
typedef union U_INST64_M1{
IA64_INST inst;
struct { unsigned long qp:6, r1:7, un7:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M1;
typedef union U_INST64_M2{
IA64_INST inst;
struct { unsigned long qp:6, r1:7, r2:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M2;
typedef union U_INST64_M3{
IA64_INST inst;
struct { unsigned long qp:6, r1:7, imm7:7, r3:7, i:1, hint:2,
x6:6, s:1, major:4; };
} INST64_M3;
typedef union U_INST64_M4 {
IA64_INST inst;
struct { unsigned long qp:6, un7:7, r2:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M4;
typedef union U_INST64_M5 {
IA64_INST inst;
struct { unsigned long qp:6, imm7:7, r2:7, r3:7, i:1, hint:2,
x6:6, s:1, major:4; };
} INST64_M5;
typedef union U_INST64_M6 {
IA64_INST inst;
struct { unsigned long qp:6, f1:7, un7:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M6;
typedef union U_INST64_M9 {
IA64_INST inst;
struct { unsigned long qp:6, :7, f2:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M9;
typedef union U_INST64_M10 {
IA64_INST inst;
struct { unsigned long qp:6, imm7:7, f2:7, r3:7, i:1, hint:2,
x6:6, s:1, major:4; };
} INST64_M10;
typedef union U_INST64_M12 {
IA64_INST inst;
struct { unsigned long qp:6, f1:7, f2:7, r3:7, x:1, hint:2,
x6:6, m:1, major:4; };
} INST64_M12;
typedef union U_INST64_M15 {
IA64_INST inst;
struct { unsigned long qp:6, :7, imm7:7, r3:7, i:1, hint:2,
x6:6, s:1, major:4; };
} INST64_M15;
typedef union U_INST64 {
IA64_INST inst;
struct { unsigned long :37, major:4; } generic;
INST64_A5 A5; /* used in build_hypercall_bundle only */
INST64_B4 B4; /* used in build_hypercall_bundle only */
INST64_B8 B8; /* rfi, bsw.[01] */
INST64_B9 B9; /* break.b */
INST64_I19 I19; /* used in build_hypercall_bundle only */
INST64_I26 I26; /* mov register to ar (I unit) */
INST64_I27 I27; /* mov immediate to ar (I unit) */
INST64_I28 I28; /* mov from ar (I unit) */
INST64_M1 M1; /* ld integer */
INST64_M2 M2;
INST64_M3 M3;
INST64_M4 M4; /* st integer */
INST64_M5 M5;
INST64_M6 M6; /* ldfd floating pointer */
INST64_M9 M9; /* stfd floating pointer */
INST64_M10 M10; /* stfd floating pointer */
INST64_M12 M12; /* ldfd pair floating pointer */
INST64_M15 M15; /* lfetch + imm update */
INST64_M28 M28; /* purge translation cache entry */
INST64_M29 M29; /* mov register to ar (M unit) */
INST64_M30 M30; /* mov immediate to ar (M unit) */
INST64_M31 M31; /* mov from ar (M unit) */
INST64_M32 M32; /* mov reg to cr */
INST64_M33 M33; /* mov from cr */
INST64_M35 M35; /* mov to psr */
INST64_M36 M36; /* mov from psr */
INST64_M37 M37; /* break.m */
INST64_M41 M41; /* translation cache insert */
INST64_M42 M42; /* mov to indirect reg/translation reg insert*/
INST64_M43 M43; /* mov from indirect reg */
INST64_M44 M44; /* set/reset system mask */
INST64_M45 M45; /* translation purge */
INST64_M46 M46; /* translation access (tpa,tak) */
INST64_M47 M47; /* purge translation entry */
} INST64;
#define MASK_41 ((unsigned long)0x1ffffffffff)
/* Virtual address memory attributes encoding */
#define VA_MATTR_WB 0x0
#define VA_MATTR_UC 0x4
#define VA_MATTR_UCE 0x5
#define VA_MATTR_WC 0x6
#define VA_MATTR_NATPAGE 0x7
#define PMASK(size) (~((size) - 1))
#define PSIZE(size) (1UL<<(size))
#define CLEARLSB(ppn, nbits) (((ppn) >> (nbits)) << (nbits))
#define PAGEALIGN(va, ps) CLEARLSB(va, ps)
#define PAGE_FLAGS_RV_MASK (0x2|(0x3UL<<50)|(((1UL<<11)-1)<<53))
#define _PAGE_MA_ST (0x1 << 2) /* is reserved for software use */
#define ARCH_PAGE_SHIFT 12
#define INVALID_TI_TAG (1UL << 63)
#define VTLB_PTE_P_BIT 0
#define VTLB_PTE_IO_BIT 60
#define VTLB_PTE_IO (1UL<<VTLB_PTE_IO_BIT)
#define VTLB_PTE_P (1UL<<VTLB_PTE_P_BIT)
#define vcpu_quick_region_check(_tr_regions,_ifa) \
(_tr_regions & (1 << ((unsigned long)_ifa >> 61)))
#define vcpu_quick_region_set(_tr_regions,_ifa) \
do {_tr_regions |= (1 << ((unsigned long)_ifa >> 61)); } while (0)
static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir,
u64 va, u64 rid)
{
trp->page_flags = pte;
trp->itir = itir;
trp->vadr = va;
trp->rid = rid;
}
extern u64 kvm_get_mpt_entry(u64 gpfn);
/* Return I/ */
static inline u64 __gpfn_is_io(u64 gpfn)
{
u64 pte;
pte = kvm_get_mpt_entry(gpfn);
if (!(pte & GPFN_INV_MASK)) {
pte = pte & GPFN_IO_MASK;
if (pte != GPFN_PHYS_MMIO)
return pte;
}
return 0;
}
#endif
#define IA64_NO_FAULT 0
#define IA64_FAULT 1
#define VMM_RBS_OFFSET ((VMM_TASK_SIZE + 15) & ~15)
#define SW_BAD 0 /* Bad mode transitition */
#define SW_V2P 1 /* Physical emulatino is activated */
#define SW_P2V 2 /* Exit physical mode emulation */
#define SW_SELF 3 /* No mode transition */
#define SW_NOP 4 /* Mode transition, but without action required */
#define GUEST_IN_PHY 0x1
#define GUEST_PHY_EMUL 0x2
#define current_vcpu ((struct kvm_vcpu *) ia64_getreg(_IA64_REG_TP))
#define VRN_SHIFT 61
#define VRN_MASK 0xe000000000000000
#define VRN0 0x0UL
#define VRN1 0x1UL
#define VRN2 0x2UL
#define VRN3 0x3UL
#define VRN4 0x4UL
#define VRN5 0x5UL
#define VRN6 0x6UL
#define VRN7 0x7UL
#define IRQ_NO_MASKED 0
#define IRQ_MASKED_BY_VTPR 1
#define IRQ_MASKED_BY_INSVC 2 /* masked by inservice IRQ */
#define PTA_BASE_SHIFT 15
#define IA64_PSR_VM_BIT 46
#define IA64_PSR_VM (__IA64_UL(1) << IA64_PSR_VM_BIT)
/* Interruption Function State */
#define IA64_IFS_V_BIT 63
#define IA64_IFS_V (__IA64_UL(1) << IA64_IFS_V_BIT)
#define PHY_PAGE_UC (_PAGE_A|_PAGE_D|_PAGE_P|_PAGE_MA_UC|_PAGE_AR_RWX)
#define PHY_PAGE_WB (_PAGE_A|_PAGE_D|_PAGE_P|_PAGE_MA_WB|_PAGE_AR_RWX)
#ifndef __ASSEMBLY__
#include <asm/gcc_intrin.h>
#define is_physical_mode(v) \
((v->arch.mode_flags) & GUEST_IN_PHY)
#define is_virtual_mode(v) \
(!is_physical_mode(v))
#define MODE_IND(psr) \
(((psr).it << 2) + ((psr).dt << 1) + (psr).rt)
#ifndef CONFIG_SMP
#define _vmm_raw_spin_lock(x) do {}while(0)
#define _vmm_raw_spin_unlock(x) do {}while(0)
#else
#define _vmm_raw_spin_lock(x) \
do { \
__u32 *ia64_spinlock_ptr = (__u32 *) (x); \
__u64 ia64_spinlock_val; \
ia64_spinlock_val = ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0);\
if (unlikely(ia64_spinlock_val)) { \
do { \
while (*ia64_spinlock_ptr) \
ia64_barrier(); \
ia64_spinlock_val = \
ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0);\
} while (ia64_spinlock_val); \
} \
} while (0)
#define _vmm_raw_spin_unlock(x) \
do { barrier(); \
((spinlock_t *)x)->raw_lock.lock = 0; } \
while (0)
#endif
void vmm_spin_lock(spinlock_t *lock);
void vmm_spin_unlock(spinlock_t *lock);
enum {
I_TLB = 1,
D_TLB = 2
};
union kvm_va {
struct {
unsigned long off : 60; /* intra-region offset */
unsigned long reg : 4; /* region number */
} f;
unsigned long l;
void *p;
};
#define __kvm_pa(x) ({union kvm_va _v; _v.l = (long) (x); \
_v.f.reg = 0; _v.l; })
#define __kvm_va(x) ({union kvm_va _v; _v.l = (long) (x); \
_v.f.reg = -1; _v.p; })
#define _REGION_ID(x) ({union ia64_rr _v; _v.val = (long)(x); \
_v.rid; })
#define _REGION_PAGE_SIZE(x) ({union ia64_rr _v; _v.val = (long)(x); \
_v.ps; })
#define _REGION_HW_WALKER(x) ({union ia64_rr _v; _v.val = (long)(x); \
_v.ve; })
enum vhpt_ref{ DATA_REF, NA_REF, INST_REF, RSE_REF };
enum tlb_miss_type { INSTRUCTION, DATA, REGISTER };
#define VCPU(_v, _x) ((_v)->arch.vpd->_x)
#define VMX(_v, _x) ((_v)->arch._x)
#define VLSAPIC_INSVC(vcpu, i) ((vcpu)->arch.insvc[i])
#define VLSAPIC_XTP(_v) VMX(_v, xtp)
static inline unsigned long itir_ps(unsigned long itir)
{
return ((itir >> 2) & 0x3f);
}
/**************************************************************************
VCPU control register access routines
**************************************************************************/
static inline u64 vcpu_get_itir(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, itir));
}
static inline void vcpu_set_itir(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, itir) = val;
}
static inline u64 vcpu_get_ifa(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, ifa));
}
static inline void vcpu_set_ifa(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, ifa) = val;
}
static inline u64 vcpu_get_iva(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, iva));
}
static inline u64 vcpu_get_pta(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, pta));
}
static inline u64 vcpu_get_lid(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, lid));
}
static inline u64 vcpu_get_tpr(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, tpr));
}
static inline u64 vcpu_get_eoi(struct kvm_vcpu *vcpu)
{
return (0UL); /*reads of eoi always return 0 */
}
static inline u64 vcpu_get_irr0(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, irr[0]));
}
static inline u64 vcpu_get_irr1(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, irr[1]));
}
static inline u64 vcpu_get_irr2(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, irr[2]));
}
static inline u64 vcpu_get_irr3(struct kvm_vcpu *vcpu)
{
return ((u64)VCPU(vcpu, irr[3]));
}
static inline void vcpu_set_dcr(struct kvm_vcpu *vcpu, u64 val)
{
ia64_setreg(_IA64_REG_CR_DCR, val);
}
static inline void vcpu_set_isr(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, isr) = val;
}
static inline void vcpu_set_lid(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, lid) = val;
}
static inline void vcpu_set_ipsr(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, ipsr) = val;
}
static inline void vcpu_set_iip(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, iip) = val;
}
static inline void vcpu_set_ifs(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, ifs) = val;
}
static inline void vcpu_set_iipa(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, iipa) = val;
}
static inline void vcpu_set_iha(struct kvm_vcpu *vcpu, u64 val)
{
VCPU(vcpu, iha) = val;
}
static inline u64 vcpu_get_rr(struct kvm_vcpu *vcpu, u64 reg)
{
return vcpu->arch.vrr[reg>>61];
}
/**************************************************************************
VCPU debug breakpoint register access routines
**************************************************************************/
static inline void vcpu_set_dbr(struct kvm_vcpu *vcpu, u64 reg, u64 val)
{
__ia64_set_dbr(reg, val);
}
static inline void vcpu_set_ibr(struct kvm_vcpu *vcpu, u64 reg, u64 val)
{
ia64_set_ibr(reg, val);
}
static inline u64 vcpu_get_dbr(struct kvm_vcpu *vcpu, u64 reg)
{
return ((u64)__ia64_get_dbr(reg));
}
static inline u64 vcpu_get_ibr(struct kvm_vcpu *vcpu, u64 reg)
{
return ((u64)ia64_get_ibr(reg));
}
/**************************************************************************
VCPU performance monitor register access routines
**************************************************************************/
static inline void vcpu_set_pmc(struct kvm_vcpu *vcpu, u64 reg, u64 val)
{
/* NOTE: Writes to unimplemented PMC registers are discarded */
ia64_set_pmc(reg, val);
}
static inline void vcpu_set_pmd(struct kvm_vcpu *vcpu, u64 reg, u64 val)
{
/* NOTE: Writes to unimplemented PMD registers are discarded */
ia64_set_pmd(reg, val);
}
static inline u64 vcpu_get_pmc(struct kvm_vcpu *vcpu, u64 reg)
{
/* NOTE: Reads from unimplemented PMC registers return zero */
return ((u64)ia64_get_pmc(reg));
}
static inline u64 vcpu_get_pmd(struct kvm_vcpu *vcpu, u64 reg)
{
/* NOTE: Reads from unimplemented PMD registers return zero */
return ((u64)ia64_get_pmd(reg));
}
static inline unsigned long vrrtomrr(unsigned long val)
{
union ia64_rr rr;
rr.val = val;
rr.rid = (rr.rid << 4) | 0xe;
if (rr.ps > PAGE_SHIFT)
rr.ps = PAGE_SHIFT;
rr.ve = 1;
return rr.val;
}
static inline int highest_bits(int *dat)
{
u32 bits, bitnum;
int i;
/* loop for all 256 bits */
for (i = 7; i >= 0 ; i--) {
bits = dat[i];
if (bits) {
bitnum = fls(bits);
return i * 32 + bitnum - 1;
}
}
return NULL_VECTOR;
}
/*
* The pending irq is higher than the inservice one.
*
*/
static inline int is_higher_irq(int pending, int inservice)
{
return ((pending > inservice)
|| ((pending != NULL_VECTOR)
&& (inservice == NULL_VECTOR)));
}
static inline int is_higher_class(int pending, int mic)
{
return ((pending >> 4) > mic);
}
/*
* Return 0-255 for pending irq.
* NULL_VECTOR: when no pending.
*/
static inline int highest_pending_irq(struct kvm_vcpu *vcpu)
{
if (VCPU(vcpu, irr[0]) & (1UL<<NMI_VECTOR))
return NMI_VECTOR;
if (VCPU(vcpu, irr[0]) & (1UL<<ExtINT_VECTOR))
return ExtINT_VECTOR;
return highest_bits((int *)&VCPU(vcpu, irr[0]));
}
static inline int highest_inservice_irq(struct kvm_vcpu *vcpu)
{
if (VMX(vcpu, insvc[0]) & (1UL<<NMI_VECTOR))
return NMI_VECTOR;
if (VMX(vcpu, insvc[0]) & (1UL<<ExtINT_VECTOR))
return ExtINT_VECTOR;
return highest_bits((int *)&(VMX(vcpu, insvc[0])));
}
extern void vcpu_get_fpreg(struct kvm_vcpu *vcpu, u64 reg,
struct ia64_fpreg *val);
extern void vcpu_set_fpreg(struct kvm_vcpu *vcpu, u64 reg,
struct ia64_fpreg *val);
extern u64 vcpu_get_gr(struct kvm_vcpu *vcpu, u64 reg);
extern void vcpu_set_gr(struct kvm_vcpu *vcpu, u64 reg, u64 val, int nat);
extern u64 vcpu_get_psr(struct kvm_vcpu *vcpu);
extern void vcpu_set_psr(struct kvm_vcpu *vcpu, u64 val);
extern u64 vcpu_thash(struct kvm_vcpu *vcpu, u64 vadr);
extern void vcpu_bsw0(struct kvm_vcpu *vcpu);
extern void thash_vhpt_insert(struct kvm_vcpu *v, u64 pte,
u64 itir, u64 va, int type);
extern struct thash_data *vhpt_lookup(u64 va);
extern u64 guest_vhpt_lookup(u64 iha, u64 *pte);
extern void thash_purge_entries(struct kvm_vcpu *v, u64 va, u64 ps);
extern void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps);
extern u64 translate_phy_pte(u64 *pte, u64 itir, u64 va);
extern int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte,
u64 itir, u64 ifa, int type);
extern void thash_purge_all(struct kvm_vcpu *v);
extern struct thash_data *vtlb_lookup(struct kvm_vcpu *v,
u64 va, int is_data);
extern int vtr_find_overlap(struct kvm_vcpu *vcpu, u64 va,
u64 ps, int is_data);
extern void vcpu_increment_iip(struct kvm_vcpu *v);
extern void vcpu_decrement_iip(struct kvm_vcpu *vcpu);
extern void vcpu_pend_interrupt(struct kvm_vcpu *vcpu, u8 vec);
extern void vcpu_unpend_interrupt(struct kvm_vcpu *vcpu, u8 vec);
extern void data_page_not_present(struct kvm_vcpu *vcpu, u64 vadr);
extern void dnat_page_consumption(struct kvm_vcpu *vcpu, u64 vadr);
extern void alt_dtlb(struct kvm_vcpu *vcpu, u64 vadr);
extern void nested_dtlb(struct kvm_vcpu *vcpu);
extern void dvhpt_fault(struct kvm_vcpu *vcpu, u64 vadr);
extern int vhpt_enabled(struct kvm_vcpu *vcpu, u64 vadr, enum vhpt_ref ref);
extern void update_vhpi(struct kvm_vcpu *vcpu, int vec);
extern int irq_masked(struct kvm_vcpu *vcpu, int h_pending, int h_inservice);
extern int fetch_code(struct kvm_vcpu *vcpu, u64 gip, IA64_BUNDLE *pbundle);
extern void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma);
extern void vmm_transition(struct kvm_vcpu *vcpu);
extern void vmm_trampoline(union context *from, union context *to);
extern int vmm_entry(void);
extern u64 vcpu_get_itc(struct kvm_vcpu *vcpu);
extern void vmm_reset_entry(void);
void kvm_init_vtlb(struct kvm_vcpu *v);
void kvm_init_vhpt(struct kvm_vcpu *v);
void thash_init(struct thash_cb *hcb, u64 sz);
void panic_vm(struct kvm_vcpu *v, const char *fmt, ...);
extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, u64 arg3,
u64 arg4, u64 arg5, u64 arg6, u64 arg7);
extern long vmm_sanity;
#endif
#endif /* __VCPU_H__ */
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