KVM: Remove arch specific components from the general code

struct kvm_vcpu has vmx-specific members; remove them to a private structure. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Avi Kivity <avi@qumranet.com>
2007-07-27 08:13:10 -04:00
parent c820c2aa27
commit a2fa3e9f52
5 changed files with 397 additions and 306 deletions
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -49,6 +49,11 @@ MODULE_LICENSE("GPL");
 #define SVM_FEATURE_LBRV (1 << 1)
 #define SVM_DEATURE_SVML (1 << 2)

+static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
+{
+	return (struct vcpu_svm*)vcpu->_priv;
+}
+
 unsigned long iopm_base;
 unsigned long msrpm_base;

@@ -95,7 +100,7 @@ static inline u32 svm_has(u32 feat)

 static unsigned get_addr_size(struct kvm_vcpu *vcpu)
 {
-	struct vmcb_save_area *sa = &vcpu->svm->vmcb->save;
+	struct vmcb_save_area *sa = &to_svm(vcpu)->vmcb->save;
 	u16 cs_attrib;

 	if (!(sa->cr0 & X86_CR0_PE) || (sa->rflags & X86_EFLAGS_VM))
@@ -181,7 +186,7 @@ static inline void write_dr7(unsigned long val)

 static inline void force_new_asid(struct kvm_vcpu *vcpu)
 {
-	vcpu->svm->asid_generation--;
+	to_svm(vcpu)->asid_generation--;
 }

 static inline void flush_guest_tlb(struct kvm_vcpu *vcpu)
@@ -194,22 +199,24 @@ static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
 	if (!(efer & KVM_EFER_LMA))
 		efer &= ~KVM_EFER_LME;

-	vcpu->svm->vmcb->save.efer = efer | MSR_EFER_SVME_MASK;
+	to_svm(vcpu)->vmcb->save.efer = efer | MSR_EFER_SVME_MASK;
 	vcpu->shadow_efer = efer;
 }

 static void svm_inject_gp(struct kvm_vcpu *vcpu, unsigned error_code)
 {
-	vcpu->svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->vmcb->control.event_inj =		SVM_EVTINJ_VALID |
 						SVM_EVTINJ_VALID_ERR |
 						SVM_EVTINJ_TYPE_EXEPT |
 						GP_VECTOR;
-	vcpu->svm->vmcb->control.event_inj_err = error_code;
+	svm->vmcb->control.event_inj_err = error_code;
 }

 static void inject_ud(struct kvm_vcpu *vcpu)
 {
-	vcpu->svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
+	to_svm(vcpu)->vmcb->control.event_inj = SVM_EVTINJ_VALID |
 						SVM_EVTINJ_TYPE_EXEPT |
 						UD_VECTOR;
 }
@@ -228,19 +235,21 @@ static int is_external_interrupt(u32 info)

 static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->svm->next_rip) {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	if (!svm->next_rip) {
 		printk(KERN_DEBUG "%s: NOP\n", __FUNCTION__);
 		return;
 	}
-	if (vcpu->svm->next_rip - vcpu->svm->vmcb->save.rip > 15) {
+	if (svm->next_rip - svm->vmcb->save.rip > 15) {
 		printk(KERN_ERR "%s: ip 0x%llx next 0x%llx\n",
 		       __FUNCTION__,
-		       vcpu->svm->vmcb->save.rip,
-		       vcpu->svm->next_rip);
+		       svm->vmcb->save.rip,
+		       svm->next_rip);
 	}

-	vcpu->rip = vcpu->svm->vmcb->save.rip = vcpu->svm->next_rip;
-	vcpu->svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK;
+	vcpu->rip = svm->vmcb->save.rip = svm->next_rip;
+	svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK;

 	vcpu->interrupt_window_open = 1;
 }
@@ -569,23 +578,27 @@ static void init_vmcb(struct vmcb *vmcb)

 static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_svm *svm;
 	struct page *page;
 	int r;

 	r = -ENOMEM;
-	vcpu->svm = kzalloc(sizeof *vcpu->svm, GFP_KERNEL);
-	if (!vcpu->svm)
+	svm = kzalloc(sizeof *svm, GFP_KERNEL);
+	if (!svm)
 		goto out1;
 	page = alloc_page(GFP_KERNEL);
 	if (!page)
 		goto out2;

-	vcpu->svm->vmcb = page_address(page);
-	clear_page(vcpu->svm->vmcb);
-	vcpu->svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
-	vcpu->svm->asid_generation = 0;
-	memset(vcpu->svm->db_regs, 0, sizeof(vcpu->svm->db_regs));
-	init_vmcb(vcpu->svm->vmcb);
+	svm->vmcb = page_address(page);
+	clear_page(svm->vmcb);
+	svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
+	svm->asid_generation = 0;
+	memset(svm->db_regs, 0, sizeof(svm->db_regs));
+	init_vmcb(svm->vmcb);
+
+	svm->vcpu   = vcpu;
+	vcpu->_priv = svm;

 	fx_init(vcpu);
 	vcpu->fpu_active = 1;
@@ -596,22 +609,26 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 	return 0;

 out2:
-	kfree(vcpu->svm);
+	kfree(svm);
 out1:
 	return r;
 }

 static void svm_free_vcpu(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->svm)
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	if (!svm)
 		return;
-	if (vcpu->svm->vmcb)
-		__free_page(pfn_to_page(vcpu->svm->vmcb_pa >> PAGE_SHIFT));
-	kfree(vcpu->svm);
+	if (svm->vmcb)
+		__free_page(pfn_to_page(svm->vmcb_pa >> PAGE_SHIFT));
+	kfree(svm);
+	vcpu->_priv = NULL;
 }

 static void svm_vcpu_load(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	int cpu, i;

 	cpu = get_cpu();
@@ -624,20 +641,21 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu)
 		 */
 		rdtscll(tsc_this);
 		delta = vcpu->host_tsc - tsc_this;
-		vcpu->svm->vmcb->control.tsc_offset += delta;
+		svm->vmcb->control.tsc_offset += delta;
 		vcpu->cpu = cpu;
 	}

 	for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++)
-		rdmsrl(host_save_user_msrs[i], vcpu->svm->host_user_msrs[i]);
+		rdmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);
 }

 static void svm_vcpu_put(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	int i;

 	for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++)
-		wrmsrl(host_save_user_msrs[i], vcpu->svm->host_user_msrs[i]);
+		wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);

 	rdtscll(vcpu->host_tsc);
 	put_cpu();
@@ -649,31 +667,34 @@ static void svm_vcpu_decache(struct kvm_vcpu *vcpu)

 static void svm_cache_regs(struct kvm_vcpu *vcpu)
 {
-	vcpu->regs[VCPU_REGS_RAX] = vcpu->svm->vmcb->save.rax;
-	vcpu->regs[VCPU_REGS_RSP] = vcpu->svm->vmcb->save.rsp;
-	vcpu->rip = vcpu->svm->vmcb->save.rip;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	vcpu->regs[VCPU_REGS_RAX] = svm->vmcb->save.rax;
+	vcpu->regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
+	vcpu->rip = svm->vmcb->save.rip;
 }

 static void svm_decache_regs(struct kvm_vcpu *vcpu)
 {
-	vcpu->svm->vmcb->save.rax = vcpu->regs[VCPU_REGS_RAX];
-	vcpu->svm->vmcb->save.rsp = vcpu->regs[VCPU_REGS_RSP];
-	vcpu->svm->vmcb->save.rip = vcpu->rip;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	svm->vmcb->save.rax = vcpu->regs[VCPU_REGS_RAX];
+	svm->vmcb->save.rsp = vcpu->regs[VCPU_REGS_RSP];
+	svm->vmcb->save.rip = vcpu->rip;
 }

 static unsigned long svm_get_rflags(struct kvm_vcpu *vcpu)
 {
-	return vcpu->svm->vmcb->save.rflags;
+	return to_svm(vcpu)->vmcb->save.rflags;
 }

 static void svm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
 {
-	vcpu->svm->vmcb->save.rflags = rflags;
+	to_svm(vcpu)->vmcb->save.rflags = rflags;
 }

 static struct vmcb_seg *svm_seg(struct kvm_vcpu *vcpu, int seg)
 {
-	struct vmcb_save_area *save = &vcpu->svm->vmcb->save;
+	struct vmcb_save_area *save = &to_svm(vcpu)->vmcb->save;

 	switch (seg) {
 	case VCPU_SREG_CS: return &save->cs;
@@ -725,26 +746,34 @@ static void svm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)

 static void svm_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
 {
-	dt->limit = vcpu->svm->vmcb->save.idtr.limit;
-	dt->base = vcpu->svm->vmcb->save.idtr.base;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	dt->limit = svm->vmcb->save.idtr.limit;
+	dt->base = svm->vmcb->save.idtr.base;
 }

 static void svm_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
 {
-	vcpu->svm->vmcb->save.idtr.limit = dt->limit;
-	vcpu->svm->vmcb->save.idtr.base = dt->base ;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->vmcb->save.idtr.limit = dt->limit;
+	svm->vmcb->save.idtr.base = dt->base ;
 }

 static void svm_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
 {
-	dt->limit = vcpu->svm->vmcb->save.gdtr.limit;
-	dt->base = vcpu->svm->vmcb->save.gdtr.base;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	dt->limit = svm->vmcb->save.gdtr.limit;
+	dt->base = svm->vmcb->save.gdtr.base;
 }

 static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
 {
-	vcpu->svm->vmcb->save.gdtr.limit = dt->limit;
-	vcpu->svm->vmcb->save.gdtr.base = dt->base ;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->vmcb->save.gdtr.limit = dt->limit;
+	svm->vmcb->save.gdtr.base = dt->base ;
 }

 static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
@@ -753,39 +782,42 @@ static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)

 static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 #ifdef CONFIG_X86_64
 	if (vcpu->shadow_efer & KVM_EFER_LME) {
 		if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
 			vcpu->shadow_efer |= KVM_EFER_LMA;
-			vcpu->svm->vmcb->save.efer |= KVM_EFER_LMA | KVM_EFER_LME;
+			svm->vmcb->save.efer |= KVM_EFER_LMA | KVM_EFER_LME;
 		}

 		if (is_paging(vcpu) && !(cr0 & X86_CR0_PG) ) {
 			vcpu->shadow_efer &= ~KVM_EFER_LMA;
-			vcpu->svm->vmcb->save.efer &= ~(KVM_EFER_LMA | KVM_EFER_LME);
+			svm->vmcb->save.efer &= ~(KVM_EFER_LMA | KVM_EFER_LME);
 		}
 	}
 #endif
 	if ((vcpu->cr0 & X86_CR0_TS) && !(cr0 & X86_CR0_TS)) {
-		vcpu->svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
+		svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
 		vcpu->fpu_active = 1;
 	}

 	vcpu->cr0 = cr0;
 	cr0 |= X86_CR0_PG | X86_CR0_WP;
 	cr0 &= ~(X86_CR0_CD | X86_CR0_NW);
-	vcpu->svm->vmcb->save.cr0 = cr0;
+	svm->vmcb->save.cr0 = cr0;
 }

 static void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 {
       vcpu->cr4 = cr4;
-       vcpu->svm->vmcb->save.cr4 = cr4 | X86_CR4_PAE;
+       to_svm(vcpu)->vmcb->save.cr4 = cr4 | X86_CR4_PAE;
 }

 static void svm_set_segment(struct kvm_vcpu *vcpu,
 			    struct kvm_segment *var, int seg)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	struct vmcb_seg *s = svm_seg(vcpu, seg);

 	s->base = var->base;
@@ -804,16 +836,16 @@ static void svm_set_segment(struct kvm_vcpu *vcpu,
 		s->attrib |= (var->g & 1) << SVM_SELECTOR_G_SHIFT;
 	}
 	if (seg == VCPU_SREG_CS)
-		vcpu->svm->vmcb->save.cpl
-			= (vcpu->svm->vmcb->save.cs.attrib
+		svm->vmcb->save.cpl
+			= (svm->vmcb->save.cs.attrib
 			   >> SVM_SELECTOR_DPL_SHIFT) & 3;

 }

 /* FIXME:

-	vcpu->svm->vmcb->control.int_ctl &= ~V_TPR_MASK;
-	vcpu->svm->vmcb->control.int_ctl |= (sregs->cr8 & V_TPR_MASK);
+	svm(vcpu)->vmcb->control.int_ctl &= ~V_TPR_MASK;
+	svm(vcpu)->vmcb->control.int_ctl |= (sregs->cr8 & V_TPR_MASK);

 */

@@ -825,55 +857,59 @@ static int svm_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg)
 static void load_host_msrs(struct kvm_vcpu *vcpu)
 {
 #ifdef CONFIG_X86_64
-	wrmsrl(MSR_GS_BASE, vcpu->svm->host_gs_base);
+	wrmsrl(MSR_GS_BASE, to_svm(vcpu)->host_gs_base);
 #endif
 }

 static void save_host_msrs(struct kvm_vcpu *vcpu)
 {
 #ifdef CONFIG_X86_64
-	rdmsrl(MSR_GS_BASE, vcpu->svm->host_gs_base);
+	rdmsrl(MSR_GS_BASE, to_svm(vcpu)->host_gs_base);
 #endif
 }

 static void new_asid(struct kvm_vcpu *vcpu, struct svm_cpu_data *svm_data)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 	if (svm_data->next_asid > svm_data->max_asid) {
 		++svm_data->asid_generation;
 		svm_data->next_asid = 1;
-		vcpu->svm->vmcb->control.tlb_ctl = TLB_CONTROL_FLUSH_ALL_ASID;
+		svm->vmcb->control.tlb_ctl = TLB_CONTROL_FLUSH_ALL_ASID;
 	}

 	vcpu->cpu = svm_data->cpu;
-	vcpu->svm->asid_generation = svm_data->asid_generation;
-	vcpu->svm->vmcb->control.asid = svm_data->next_asid++;
+	svm->asid_generation = svm_data->asid_generation;
+	svm->vmcb->control.asid = svm_data->next_asid++;
 }

 static void svm_invlpg(struct kvm_vcpu *vcpu, gva_t address)
 {
-	invlpga(address, vcpu->svm->vmcb->control.asid); // is needed?
+	invlpga(address, to_svm(vcpu)->vmcb->control.asid); // is needed?
 }

 static unsigned long svm_get_dr(struct kvm_vcpu *vcpu, int dr)
 {
-	return vcpu->svm->db_regs[dr];
+	return to_svm(vcpu)->db_regs[dr];
 }

 static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,
 		       int *exception)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 	*exception = 0;

-	if (vcpu->svm->vmcb->save.dr7 & DR7_GD_MASK) {
-		vcpu->svm->vmcb->save.dr7 &= ~DR7_GD_MASK;
-		vcpu->svm->vmcb->save.dr6 |= DR6_BD_MASK;
+	if (svm->vmcb->save.dr7 & DR7_GD_MASK) {
+		svm->vmcb->save.dr7 &= ~DR7_GD_MASK;
+		svm->vmcb->save.dr6 |= DR6_BD_MASK;
 		*exception = DB_VECTOR;
 		return;
 	}

 	switch (dr) {
 	case 0 ... 3:
-		vcpu->svm->db_regs[dr] = value;
+		svm->db_regs[dr] = value;
 		return;
 	case 4 ... 5:
 		if (vcpu->cr4 & X86_CR4_DE) {
@@ -885,7 +921,7 @@ static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,
 			*exception = GP_VECTOR;
 			return;
 		}
-		vcpu->svm->vmcb->save.dr7 = value;
+		svm->vmcb->save.dr7 = value;
 		return;
 	}
 	default:
@@ -898,7 +934,8 @@ static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,

 static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	u32 exit_int_info = vcpu->svm->vmcb->control.exit_int_info;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	u32 exit_int_info = svm->vmcb->control.exit_int_info;
 	u64 fault_address;
 	u32 error_code;
 	enum emulation_result er;
@@ -909,8 +946,8 @@ static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 	spin_lock(&vcpu->kvm->lock);

-	fault_address  = vcpu->svm->vmcb->control.exit_info_2;
-	error_code = vcpu->svm->vmcb->control.exit_info_1;
+	fault_address  = svm->vmcb->control.exit_info_2;
+	error_code = svm->vmcb->control.exit_info_1;
 	r = kvm_mmu_page_fault(vcpu, fault_address, error_code);
 	if (r < 0) {
 		spin_unlock(&vcpu->kvm->lock);
@@ -942,22 +979,25 @@ static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 static int nm_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-       vcpu->svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
-       if (!(vcpu->cr0 & X86_CR0_TS))
-               vcpu->svm->vmcb->save.cr0 &= ~X86_CR0_TS;
-       vcpu->fpu_active = 1;
+	struct vcpu_svm *svm = to_svm(vcpu);

-       return 1;
+	svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
+	if (!(vcpu->cr0 & X86_CR0_TS))
+		svm->vmcb->save.cr0 &= ~X86_CR0_TS;
+	vcpu->fpu_active = 1;
+
+	return 1;
 }

 static int shutdown_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	/*
 	 * VMCB is undefined after a SHUTDOWN intercept
 	 * so reinitialize it.
 	 */
-	clear_page(vcpu->svm->vmcb);
-	init_vmcb(vcpu->svm->vmcb);
+	clear_page(svm->vmcb);
+	init_vmcb(svm->vmcb);

 	kvm_run->exit_reason = KVM_EXIT_SHUTDOWN;
 	return 0;
@@ -967,23 +1007,24 @@ static int io_get_override(struct kvm_vcpu *vcpu,
 			  struct vmcb_seg **seg,
 			  int *addr_override)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	u8 inst[MAX_INST_SIZE];
 	unsigned ins_length;
 	gva_t rip;
 	int i;

-	rip =  vcpu->svm->vmcb->save.rip;
-	ins_length = vcpu->svm->next_rip - rip;
-	rip += vcpu->svm->vmcb->save.cs.base;
+	rip =  svm->vmcb->save.rip;
+	ins_length = svm->next_rip - rip;
+	rip += svm->vmcb->save.cs.base;

 	if (ins_length > MAX_INST_SIZE)
 		printk(KERN_DEBUG
 		       "%s: inst length err, cs base 0x%llx rip 0x%llx "
 		       "next rip 0x%llx ins_length %u\n",
 		       __FUNCTION__,
-		       vcpu->svm->vmcb->save.cs.base,
-		       vcpu->svm->vmcb->save.rip,
-		       vcpu->svm->vmcb->control.exit_info_2,
+		       svm->vmcb->save.cs.base,
+		       svm->vmcb->save.rip,
+		       svm->vmcb->control.exit_info_2,
 		       ins_length);

 	if (kvm_read_guest(vcpu, rip, ins_length, inst) != ins_length)
@@ -1003,22 +1044,22 @@ static int io_get_override(struct kvm_vcpu *vcpu,
 			*addr_override = 1;
 			continue;
 		case 0x2e:
-			*seg = &vcpu->svm->vmcb->save.cs;
+			*seg = &svm->vmcb->save.cs;
 			continue;
 		case 0x36:
-			*seg = &vcpu->svm->vmcb->save.ss;
+			*seg = &svm->vmcb->save.ss;
 			continue;
 		case 0x3e:
-			*seg = &vcpu->svm->vmcb->save.ds;
+			*seg = &svm->vmcb->save.ds;
 			continue;
 		case 0x26:
-			*seg = &vcpu->svm->vmcb->save.es;
+			*seg = &svm->vmcb->save.es;
 			continue;
 		case 0x64:
-			*seg = &vcpu->svm->vmcb->save.fs;
+			*seg = &svm->vmcb->save.fs;
 			continue;
 		case 0x65:
-			*seg = &vcpu->svm->vmcb->save.gs;
+			*seg = &svm->vmcb->save.gs;
 			continue;
 		default:
 			return 1;
@@ -1033,7 +1074,8 @@ static unsigned long io_adress(struct kvm_vcpu *vcpu, int ins, gva_t *address)
 	unsigned long *reg;
 	struct vmcb_seg *seg;
 	int addr_override;
-	struct vmcb_save_area *save_area = &vcpu->svm->vmcb->save;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	struct vmcb_save_area *save_area = &svm->vmcb->save;
 	u16 cs_attrib = save_area->cs.attrib;
 	unsigned addr_size = get_addr_size(vcpu);

@@ -1045,16 +1087,16 @@ static unsigned long io_adress(struct kvm_vcpu *vcpu, int ins, gva_t *address)

 	if (ins) {
 		reg = &vcpu->regs[VCPU_REGS_RDI];
-		seg = &vcpu->svm->vmcb->save.es;
+		seg = &svm->vmcb->save.es;
 	} else {
 		reg = &vcpu->regs[VCPU_REGS_RSI];
-		seg = (seg) ? seg : &vcpu->svm->vmcb->save.ds;
+		seg = (seg) ? seg : &svm->vmcb->save.ds;
 	}

 	addr_mask = ~0ULL >> (64 - (addr_size * 8));

 	if ((cs_attrib & SVM_SELECTOR_L_MASK) &&
-	    !(vcpu->svm->vmcb->save.rflags & X86_EFLAGS_VM)) {
+	    !(svm->vmcb->save.rflags & X86_EFLAGS_VM)) {
 		*address = (*reg & addr_mask);
 		return addr_mask;
 	}
@@ -1070,7 +1112,8 @@ static unsigned long io_adress(struct kvm_vcpu *vcpu, int ins, gva_t *address)

 static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	u32 io_info = vcpu->svm->vmcb->control.exit_info_1; //address size bug?
+	struct vcpu_svm *svm = to_svm(vcpu);
+	u32 io_info = svm->vmcb->control.exit_info_1; //address size bug?
 	int size, down, in, string, rep;
 	unsigned port;
 	unsigned long count;
@@ -1078,7 +1121,7 @@ static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 	++vcpu->stat.io_exits;

-	vcpu->svm->next_rip = vcpu->svm->vmcb->control.exit_info_2;
+	svm->next_rip = svm->vmcb->control.exit_info_2;

 	in = (io_info & SVM_IOIO_TYPE_MASK) != 0;
 	port = io_info >> 16;
@@ -1086,7 +1129,7 @@ static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	string = (io_info & SVM_IOIO_STR_MASK) != 0;
 	rep = (io_info & SVM_IOIO_REP_MASK) != 0;
 	count = 1;
-	down = (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_DF) != 0;
+	down = (svm->vmcb->save.rflags & X86_EFLAGS_DF) != 0;

 	if (string) {
 		unsigned addr_mask;
@@ -1112,14 +1155,18 @@ static int nop_on_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 static int halt_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 1;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->next_rip = svm->vmcb->save.rip + 1;
 	skip_emulated_instruction(vcpu);
 	return kvm_emulate_halt(vcpu);
 }

 static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 3;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->next_rip = svm->vmcb->save.rip + 3;
 	skip_emulated_instruction(vcpu);
 	return kvm_hypercall(vcpu, kvm_run);
 }
@@ -1139,7 +1186,9 @@ static int task_switch_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_r

 static int cpuid_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->next_rip = svm->vmcb->save.rip + 2;
 	kvm_emulate_cpuid(vcpu);
 	return 1;
 }
@@ -1153,39 +1202,41 @@ static int emulate_on_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_ru

 static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 	switch (ecx) {
 	case MSR_IA32_TIME_STAMP_COUNTER: {
 		u64 tsc;

 		rdtscll(tsc);
-		*data = vcpu->svm->vmcb->control.tsc_offset + tsc;
+		*data = svm->vmcb->control.tsc_offset + tsc;
 		break;
 	}
 	case MSR_K6_STAR:
-		*data = vcpu->svm->vmcb->save.star;
+		*data = svm->vmcb->save.star;
 		break;
 #ifdef CONFIG_X86_64
 	case MSR_LSTAR:
-		*data = vcpu->svm->vmcb->save.lstar;
+		*data = svm->vmcb->save.lstar;
 		break;
 	case MSR_CSTAR:
-		*data = vcpu->svm->vmcb->save.cstar;
+		*data = svm->vmcb->save.cstar;
 		break;
 	case MSR_KERNEL_GS_BASE:
-		*data = vcpu->svm->vmcb->save.kernel_gs_base;
+		*data = svm->vmcb->save.kernel_gs_base;
 		break;
 	case MSR_SYSCALL_MASK:
-		*data = vcpu->svm->vmcb->save.sfmask;
+		*data = svm->vmcb->save.sfmask;
 		break;
 #endif
 	case MSR_IA32_SYSENTER_CS:
-		*data = vcpu->svm->vmcb->save.sysenter_cs;
+		*data = svm->vmcb->save.sysenter_cs;
 		break;
 	case MSR_IA32_SYSENTER_EIP:
-		*data = vcpu->svm->vmcb->save.sysenter_eip;
+		*data = svm->vmcb->save.sysenter_eip;
 		break;
 	case MSR_IA32_SYSENTER_ESP:
-		*data = vcpu->svm->vmcb->save.sysenter_esp;
+		*data = svm->vmcb->save.sysenter_esp;
 		break;
 	default:
 		return kvm_get_msr_common(vcpu, ecx, data);
@@ -1195,15 +1246,16 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)

 static int rdmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	u32 ecx = vcpu->regs[VCPU_REGS_RCX];
 	u64 data;

 	if (svm_get_msr(vcpu, ecx, &data))
 		svm_inject_gp(vcpu, 0);
 	else {
-		vcpu->svm->vmcb->save.rax = data & 0xffffffff;
+		svm->vmcb->save.rax = data & 0xffffffff;
 		vcpu->regs[VCPU_REGS_RDX] = data >> 32;
-		vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
+		svm->next_rip = svm->vmcb->save.rip + 2;
 		skip_emulated_instruction(vcpu);
 	}
 	return 1;
@@ -1211,39 +1263,41 @@ static int rdmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 	switch (ecx) {
 	case MSR_IA32_TIME_STAMP_COUNTER: {
 		u64 tsc;

 		rdtscll(tsc);
-		vcpu->svm->vmcb->control.tsc_offset = data - tsc;
+		svm->vmcb->control.tsc_offset = data - tsc;
 		break;
 	}
 	case MSR_K6_STAR:
-		vcpu->svm->vmcb->save.star = data;
+		svm->vmcb->save.star = data;
 		break;
 #ifdef CONFIG_X86_64
 	case MSR_LSTAR:
-		vcpu->svm->vmcb->save.lstar = data;
+		svm->vmcb->save.lstar = data;
 		break;
 	case MSR_CSTAR:
-		vcpu->svm->vmcb->save.cstar = data;
+		svm->vmcb->save.cstar = data;
 		break;
 	case MSR_KERNEL_GS_BASE:
-		vcpu->svm->vmcb->save.kernel_gs_base = data;
+		svm->vmcb->save.kernel_gs_base = data;
 		break;
 	case MSR_SYSCALL_MASK:
-		vcpu->svm->vmcb->save.sfmask = data;
+		svm->vmcb->save.sfmask = data;
 		break;
 #endif
 	case MSR_IA32_SYSENTER_CS:
-		vcpu->svm->vmcb->save.sysenter_cs = data;
+		svm->vmcb->save.sysenter_cs = data;
 		break;
 	case MSR_IA32_SYSENTER_EIP:
-		vcpu->svm->vmcb->save.sysenter_eip = data;
+		svm->vmcb->save.sysenter_eip = data;
 		break;
 	case MSR_IA32_SYSENTER_ESP:
-		vcpu->svm->vmcb->save.sysenter_esp = data;
+		svm->vmcb->save.sysenter_esp = data;
 		break;
 	default:
 		return kvm_set_msr_common(vcpu, ecx, data);
@@ -1253,10 +1307,11 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)

 static int wrmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	u32 ecx = vcpu->regs[VCPU_REGS_RCX];
-	u64 data = (vcpu->svm->vmcb->save.rax & -1u)
+	u64 data = (svm->vmcb->save.rax & -1u)
 		| ((u64)(vcpu->regs[VCPU_REGS_RDX] & -1u) << 32);
-	vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
+	svm->next_rip = svm->vmcb->save.rip + 2;
 	if (svm_set_msr(vcpu, ecx, data))
 		svm_inject_gp(vcpu, 0);
 	else
@@ -1266,7 +1321,7 @@ static int wrmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

 static int msr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	if (vcpu->svm->vmcb->control.exit_info_1)
+	if (to_svm(vcpu)->vmcb->control.exit_info_1)
 		return wrmsr_interception(vcpu, kvm_run);
 	else
 		return rdmsr_interception(vcpu, kvm_run);
@@ -1338,13 +1393,14 @@ static int (*svm_exit_handlers[])(struct kvm_vcpu *vcpu,

 static int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
-	u32 exit_code = vcpu->svm->vmcb->control.exit_code;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	u32 exit_code = svm->vmcb->control.exit_code;

-	if (is_external_interrupt(vcpu->svm->vmcb->control.exit_int_info) &&
+	if (is_external_interrupt(svm->vmcb->control.exit_int_info) &&
 	    exit_code != SVM_EXIT_EXCP_BASE + PF_VECTOR)
 		printk(KERN_ERR "%s: unexpected exit_ini_info 0x%x "
 		       "exit_code 0x%x\n",
-		       __FUNCTION__, vcpu->svm->vmcb->control.exit_int_info,
+		       __FUNCTION__, svm->vmcb->control.exit_int_info,
 		       exit_code);

 	if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
@@ -1368,13 +1424,14 @@ static void reload_tss(struct kvm_vcpu *vcpu)

 static void pre_svm_run(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	int cpu = raw_smp_processor_id();

 	struct svm_cpu_data *svm_data = per_cpu(svm_data, cpu);

-	vcpu->svm->vmcb->control.tlb_ctl = TLB_CONTROL_DO_NOTHING;
+	svm->vmcb->control.tlb_ctl = TLB_CONTROL_DO_NOTHING;
 	if (vcpu->cpu != cpu ||
-	    vcpu->svm->asid_generation != svm_data->asid_generation)
+	    svm->asid_generation != svm_data->asid_generation)
 		new_asid(vcpu, svm_data);
 }

@@ -1383,7 +1440,7 @@ static inline void kvm_do_inject_irq(struct kvm_vcpu *vcpu)
 {
 	struct vmcb_control_area *control;

-	control = &vcpu->svm->vmcb->control;
+	control = &to_svm(vcpu)->vmcb->control;
 	control->int_vector = pop_irq(vcpu);
 	control->int_ctl &= ~V_INTR_PRIO_MASK;
 	control->int_ctl |= V_IRQ_MASK |
@@ -1392,7 +1449,7 @@ static inline void kvm_do_inject_irq(struct kvm_vcpu *vcpu)

 static void kvm_reput_irq(struct kvm_vcpu *vcpu)
 {
-	struct vmcb_control_area *control = &vcpu->svm->vmcb->control;
+	struct vmcb_control_area *control = &to_svm(vcpu)->vmcb->control;

 	if (control->int_ctl & V_IRQ_MASK) {
 		control->int_ctl &= ~V_IRQ_MASK;
@@ -1406,11 +1463,12 @@ static void kvm_reput_irq(struct kvm_vcpu *vcpu)
 static void do_interrupt_requests(struct kvm_vcpu *vcpu,
 				       struct kvm_run *kvm_run)
 {
-	struct vmcb_control_area *control = &vcpu->svm->vmcb->control;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	struct vmcb_control_area *control = &svm->vmcb->control;

 	vcpu->interrupt_window_open =
 		(!(control->int_state & SVM_INTERRUPT_SHADOW_MASK) &&
-		 (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF));
+		 (svm->vmcb->save.rflags & X86_EFLAGS_IF));

 	if (vcpu->interrupt_window_open && vcpu->irq_summary)
 		/*
@@ -1431,9 +1489,11 @@ static void do_interrupt_requests(struct kvm_vcpu *vcpu,
 static void post_kvm_run_save(struct kvm_vcpu *vcpu,
 			      struct kvm_run *kvm_run)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
+
 	kvm_run->ready_for_interrupt_injection = (vcpu->interrupt_window_open &&
 						  vcpu->irq_summary == 0);
-	kvm_run->if_flag = (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0;
+	kvm_run->if_flag = (svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0;
 	kvm_run->cr8 = vcpu->cr8;
 	kvm_run->apic_base = vcpu->apic_base;
 }
@@ -1450,7 +1510,7 @@ static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu,
 	return (!vcpu->irq_summary &&
 		kvm_run->request_interrupt_window &&
 		vcpu->interrupt_window_open &&
-		(vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF));
+		(to_svm(vcpu)->vmcb->save.rflags & X86_EFLAGS_IF));
 }

 static void save_db_regs(unsigned long *db_regs)
@@ -1476,6 +1536,7 @@ static void svm_flush_tlb(struct kvm_vcpu *vcpu)

 static int svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	u16 fs_selector;
 	u16 gs_selector;
 	u16 ldt_selector;
@@ -1502,15 +1563,15 @@ again:
 	fs_selector = read_fs();
 	gs_selector = read_gs();
 	ldt_selector = read_ldt();
-	vcpu->svm->host_cr2 = kvm_read_cr2();
-	vcpu->svm->host_dr6 = read_dr6();
-	vcpu->svm->host_dr7 = read_dr7();
-	vcpu->svm->vmcb->save.cr2 = vcpu->cr2;
+	svm->host_cr2 = kvm_read_cr2();
+	svm->host_dr6 = read_dr6();
+	svm->host_dr7 = read_dr7();
+	svm->vmcb->save.cr2 = vcpu->cr2;

-	if (vcpu->svm->vmcb->save.dr7 & 0xff) {
+	if (svm->vmcb->save.dr7 & 0xff) {
 		write_dr7(0);
-		save_db_regs(vcpu->svm->host_db_regs);
-		load_db_regs(vcpu->svm->db_regs);
+		save_db_regs(svm->host_db_regs);
+		load_db_regs(svm->db_regs);
 	}

 	if (vcpu->fpu_active) {
@@ -1607,7 +1668,7 @@ again:
 #endif
 		:
 		: [vcpu]"a"(vcpu),
-		  [svm]"i"(offsetof(struct kvm_vcpu, svm)),
+		  [svm]"i"(offsetof(struct kvm_vcpu, _priv)),
 		  [vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)),
 		  [rbx]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RBX])),
 		  [rcx]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RCX])),
@@ -1634,14 +1695,14 @@ again:
 		fx_restore(vcpu->host_fx_image);
 	}

-	if ((vcpu->svm->vmcb->save.dr7 & 0xff))
-		load_db_regs(vcpu->svm->host_db_regs);
+	if ((svm->vmcb->save.dr7 & 0xff))
+		load_db_regs(svm->host_db_regs);

-	vcpu->cr2 = vcpu->svm->vmcb->save.cr2;
+	vcpu->cr2 = svm->vmcb->save.cr2;

-	write_dr6(vcpu->svm->host_dr6);
-	write_dr7(vcpu->svm->host_dr7);
-	kvm_write_cr2(vcpu->svm->host_cr2);
+	write_dr6(svm->host_dr6);
+	write_dr7(svm->host_dr7);
+	kvm_write_cr2(svm->host_cr2);

 	load_fs(fs_selector);
 	load_gs(gs_selector);
@@ -1655,18 +1716,18 @@ again:
 	 */
 	if (unlikely(prof_on == KVM_PROFILING))
 		profile_hit(KVM_PROFILING,
-			(void *)(unsigned long)vcpu->svm->vmcb->save.rip);
+			(void *)(unsigned long)svm->vmcb->save.rip);

 	stgi();

 	kvm_reput_irq(vcpu);

-	vcpu->svm->next_rip = 0;
+	svm->next_rip = 0;

-	if (vcpu->svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
+	if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
 		kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
 		kvm_run->fail_entry.hardware_entry_failure_reason
-			= vcpu->svm->vmcb->control.exit_code;
+			= svm->vmcb->control.exit_code;
 		post_kvm_run_save(vcpu, kvm_run);
 		return 0;
 	}
@@ -1695,12 +1756,14 @@ again:

 static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root)
 {
-	vcpu->svm->vmcb->save.cr3 = root;
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	svm->vmcb->save.cr3 = root;
 	force_new_asid(vcpu);

 	if (vcpu->fpu_active) {
-		vcpu->svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR);
-		vcpu->svm->vmcb->save.cr0 |= X86_CR0_TS;
+		svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR);
+		svm->vmcb->save.cr0 |= X86_CR0_TS;
 		vcpu->fpu_active = 0;
 	}
 }
@@ -1709,26 +1772,27 @@ static void svm_inject_page_fault(struct kvm_vcpu *vcpu,
 				  unsigned long  addr,
 				  uint32_t err_code)
 {
-	uint32_t exit_int_info = vcpu->svm->vmcb->control.exit_int_info;
+	struct vcpu_svm *svm = to_svm(vcpu);
+	uint32_t exit_int_info = svm->vmcb->control.exit_int_info;

 	++vcpu->stat.pf_guest;

 	if (is_page_fault(exit_int_info)) {

-		vcpu->svm->vmcb->control.event_inj_err = 0;
-		vcpu->svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
-							SVM_EVTINJ_VALID_ERR |
-							SVM_EVTINJ_TYPE_EXEPT |
-							DF_VECTOR;
+		svm->vmcb->control.event_inj_err = 0;
+		svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
+						SVM_EVTINJ_VALID_ERR |
+						SVM_EVTINJ_TYPE_EXEPT |
+						DF_VECTOR;
 		return;
 	}
 	vcpu->cr2 = addr;
-	vcpu->svm->vmcb->save.cr2 = addr;
-	vcpu->svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
-						SVM_EVTINJ_VALID_ERR |
-						SVM_EVTINJ_TYPE_EXEPT |
-						PF_VECTOR;
-	vcpu->svm->vmcb->control.event_inj_err = err_code;
+	svm->vmcb->save.cr2 = addr;
+	svm->vmcb->control.event_inj = 	SVM_EVTINJ_VALID |
+					SVM_EVTINJ_VALID_ERR |
+					SVM_EVTINJ_TYPE_EXEPT |
+					PF_VECTOR;
+	svm->vmcb->control.event_inj_err = err_code;
 }