KVM: Portability: Move pio emulation functions to x86.c

[linux-2.6] / drivers / kvm / x86.h

diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index 1e2f71bd805d60e609e52f5459ea6a18e48616fc..663b822b4ddbd38a3997a853d27b4c9ff67724b4 100644 (file)
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -13,4 +13,118 @@
 
 #include "kvm.h"
 
+#include <linux/types.h>
+#include <linux/mm.h>
+
+#include <linux/kvm.h>
+#include <linux/kvm_para.h>
+
+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;
+};
+
+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