e9b11c1755
Add the following hooks: void decache_vcpus_on_cpu(int cpu); int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id); void kvm_arch_vcpu_destory(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu); void kvm_arch_hardware_enable(void *garbage); void kvm_arch_hardware_disable(void *garbage); int kvm_arch_hardware_setup(void); void kvm_arch_hardware_unsetup(void); void kvm_arch_check_processor_compat(void *rtn); Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
#/*
|
|
* Kernel-based Virtual Machine driver for Linux
|
|
*
|
|
* This header defines architecture specific interfaces, x86 version
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef KVM_X86_H
|
|
#define KVM_X86_H
|
|
|
|
#include "kvm.h"
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/mm.h>
|
|
|
|
#include <linux/kvm.h>
|
|
#include <linux/kvm_para.h>
|
|
|
|
extern spinlock_t kvm_lock;
|
|
extern struct list_head vm_list;
|
|
|
|
struct kvm_vcpu {
|
|
KVM_VCPU_COMM;
|
|
u64 host_tsc;
|
|
int interrupt_window_open;
|
|
unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */
|
|
DECLARE_BITMAP(irq_pending, KVM_NR_INTERRUPTS);
|
|
unsigned long regs[NR_VCPU_REGS]; /* for rsp: vcpu_load_rsp_rip() */
|
|
unsigned long rip; /* needs vcpu_load_rsp_rip() */
|
|
|
|
unsigned long cr0;
|
|
unsigned long cr2;
|
|
unsigned long cr3;
|
|
unsigned long cr4;
|
|
unsigned long cr8;
|
|
u64 pdptrs[4]; /* pae */
|
|
u64 shadow_efer;
|
|
u64 apic_base;
|
|
struct kvm_lapic *apic; /* kernel irqchip context */
|
|
#define VCPU_MP_STATE_RUNNABLE 0
|
|
#define VCPU_MP_STATE_UNINITIALIZED 1
|
|
#define VCPU_MP_STATE_INIT_RECEIVED 2
|
|
#define VCPU_MP_STATE_SIPI_RECEIVED 3
|
|
#define VCPU_MP_STATE_HALTED 4
|
|
int mp_state;
|
|
int sipi_vector;
|
|
u64 ia32_misc_enable_msr;
|
|
|
|
struct kvm_mmu mmu;
|
|
|
|
struct kvm_mmu_memory_cache mmu_pte_chain_cache;
|
|
struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
|
|
struct kvm_mmu_memory_cache mmu_page_cache;
|
|
struct kvm_mmu_memory_cache mmu_page_header_cache;
|
|
|
|
gfn_t last_pt_write_gfn;
|
|
int last_pt_write_count;
|
|
u64 *last_pte_updated;
|
|
|
|
|
|
struct i387_fxsave_struct host_fx_image;
|
|
struct i387_fxsave_struct guest_fx_image;
|
|
|
|
gva_t mmio_fault_cr2;
|
|
struct kvm_pio_request pio;
|
|
void *pio_data;
|
|
|
|
struct {
|
|
int active;
|
|
u8 save_iopl;
|
|
struct kvm_save_segment {
|
|
u16 selector;
|
|
unsigned long base;
|
|
u32 limit;
|
|
u32 ar;
|
|
} tr, es, ds, fs, gs;
|
|
} rmode;
|
|
int halt_request; /* real mode on Intel only */
|
|
|
|
int cpuid_nent;
|
|
struct kvm_cpuid_entry cpuid_entries[KVM_MAX_CPUID_ENTRIES];
|
|
|
|
/* emulate context */
|
|
|
|
struct x86_emulate_ctxt emulate_ctxt;
|
|
};
|
|
|
|
extern struct kvm_x86_ops *kvm_x86_ops;
|
|
|
|
int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
|
|
|
|
static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
|
|
{
|
|
if (unlikely(vcpu->kvm->n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES))
|
|
__kvm_mmu_free_some_pages(vcpu);
|
|
}
|
|
|
|
static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
|
|
{
|
|
if (likely(vcpu->mmu.root_hpa != INVALID_PAGE))
|
|
return 0;
|
|
|
|
return kvm_mmu_load(vcpu);
|
|
}
|
|
|
|
static inline int is_long_mode(struct kvm_vcpu *vcpu)
|
|
{
|
|
#ifdef CONFIG_X86_64
|
|
return vcpu->shadow_efer & EFER_LME;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static inline int is_pae(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->cr4 & X86_CR4_PAE;
|
|
}
|
|
|
|
static inline int is_pse(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->cr4 & X86_CR4_PSE;
|
|
}
|
|
|
|
static inline int is_paging(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->cr0 & X86_CR0_PG;
|
|
}
|
|
|
|
int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
|
|
int complete_pio(struct kvm_vcpu *vcpu);
|
|
#endif
|