From: Qing He <qing.he@intel.com>
To: xen-devel@lists.xensource.com
Cc: Qing He <qing.he@intel.com>
Subject: [PATCH 09/16] vmx: nest: shadow controls
Date: Wed, 8 Sep 2010 23:22:17 +0800 [thread overview]
Message-ID: <1283959344-3837-10-git-send-email-qing.he@intel.com> (raw)
In-Reply-To: <1283959344-3837-1-git-send-email-qing.he@intel.com>
automatically compute controls according to current mode
Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Eddie Dong <eddie.dong@intel.com>
---
diff -r 625f74a9bb36 xen/arch/x86/hvm/vmx/nest.c
--- a/xen/arch/x86/hvm/vmx/nest.c Wed Sep 08 22:04:16 2010 +0800
+++ b/xen/arch/x86/hvm/vmx/nest.c Wed Sep 08 22:07:15 2010 +0800
@@ -663,3 +663,35 @@
{
return vmx_nest_handle_vmresume(regs);
}
+
+static void set_shadow_control(struct vmx_nest_struct *nest,
+ unsigned int field,
+ u32 host_value)
+{
+ u32 value;
+
+ value = (u32) __get_vvmcs(nest->vvmcs, field) | host_value;
+ __vmwrite(field, value);
+}
+
+void vmx_nest_update_exec_control(struct vcpu *v, unsigned long value)
+{
+ struct vmx_nest_struct *nest = &v->arch.hvm_vmx.nest;
+
+ set_shadow_control(nest, CPU_BASED_VM_EXEC_CONTROL, value);
+}
+
+void vmx_nest_update_secondary_exec_control(struct vcpu *v,
+ unsigned long value)
+{
+ struct vmx_nest_struct *nest = &v->arch.hvm_vmx.nest;
+
+ set_shadow_control(nest, SECONDARY_VM_EXEC_CONTROL, value);
+}
+
+void vmx_nest_update_exception_bitmap(struct vcpu *v, unsigned long value)
+{
+ struct vmx_nest_struct *nest = &v->arch.hvm_vmx.nest;
+
+ set_shadow_control(nest, EXCEPTION_BITMAP, value);
+}
diff -r 625f74a9bb36 xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c Wed Sep 08 22:04:16 2010 +0800
+++ b/xen/arch/x86/hvm/vmx/vmx.c Wed Sep 08 22:07:15 2010 +0800
@@ -387,18 +387,28 @@
void vmx_update_cpu_exec_control(struct vcpu *v)
{
- __vmwrite(CPU_BASED_VM_EXEC_CONTROL, v->arch.hvm_vmx.exec_control);
+ if ( v->arch.hvm_vcpu.in_nesting )
+ vmx_nest_update_exec_control(v, v->arch.hvm_vmx.exec_control);
+ else
+ __vmwrite(CPU_BASED_VM_EXEC_CONTROL, v->arch.hvm_vmx.exec_control);
}
void vmx_update_secondary_exec_control(struct vcpu *v)
{
- __vmwrite(SECONDARY_VM_EXEC_CONTROL,
- v->arch.hvm_vmx.secondary_exec_control);
+ if ( v->arch.hvm_vcpu.in_nesting )
+ vmx_nest_update_secondary_exec_control(v,
+ v->arch.hvm_vmx.secondary_exec_control);
+ else
+ __vmwrite(SECONDARY_VM_EXEC_CONTROL,
+ v->arch.hvm_vmx.secondary_exec_control);
}
void vmx_update_exception_bitmap(struct vcpu *v)
{
- __vmwrite(EXCEPTION_BITMAP, v->arch.hvm_vmx.exception_bitmap);
+ if ( v->arch.hvm_vcpu.in_nesting )
+ vmx_nest_update_exception_bitmap(v, v->arch.hvm_vmx.exception_bitmap);
+ else
+ __vmwrite(EXCEPTION_BITMAP, v->arch.hvm_vmx.exception_bitmap);
}
static int vmx_guest_x86_mode(struct vcpu *v)
diff -r 625f74a9bb36 xen/include/asm-x86/hvm/vmx/nest.h
--- a/xen/include/asm-x86/hvm/vmx/nest.h Wed Sep 08 22:04:16 2010 +0800
+++ b/xen/include/asm-x86/hvm/vmx/nest.h Wed Sep 08 22:07:15 2010 +0800
@@ -69,4 +69,9 @@
int vmx_nest_handle_vmresume(struct cpu_user_regs *regs);
int vmx_nest_handle_vmlaunch(struct cpu_user_regs *regs);
+void vmx_nest_update_exec_control(struct vcpu *v, unsigned long value);
+void vmx_nest_update_secondary_exec_control(struct vcpu *v,
+ unsigned long value);
+void vmx_nest_update_exception_bitmap(struct vcpu *v, unsigned long value);
+
#endif /* __ASM_X86_HVM_NEST_H__ */
next prev parent reply other threads:[~2010-09-08 15:22 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-08 15:22 [PATCH 00/16] Nested virtualization for VMX Qing He
2010-09-08 15:22 ` [PATCH 01/16] vmx: nest: rename host_vmcs Qing He
2010-09-10 13:27 ` Christoph Egger
2010-09-08 15:22 ` [PATCH 02/16] vmx: nest: wrapper for control update Qing He
2010-09-10 13:29 ` Christoph Egger
2010-09-08 15:22 ` [PATCH 03/16] vmx: nest: nested availability and status flags Qing He
2010-09-15 11:43 ` Christoph Egger
2010-09-15 14:18 ` Dong, Eddie
2010-09-08 15:22 ` [PATCH 04/16] vmx: nest: nested control structure Qing He
2010-09-09 6:13 ` Dong, Eddie
2010-09-15 11:27 ` Christoph Egger
2010-09-15 13:06 ` Dong, Eddie
2010-09-15 13:17 ` Christoph Egger
2010-09-15 13:31 ` Christoph Egger
2010-09-15 13:46 ` Dong, Eddie
2010-09-15 14:02 ` Christoph Egger
2010-09-08 15:22 ` [PATCH 05/16] vmx: nest: virtual vmcs layout Qing He
2010-09-13 10:29 ` Tim Deegan
2010-09-08 15:22 ` [PATCH 06/16] vmx: nest: handling VMX instruction exits Qing He
2010-09-10 7:05 ` Dong, Eddie
2010-09-13 11:11 ` Tim Deegan
2010-09-13 14:29 ` Dong, Eddie
2010-09-13 14:46 ` Tim Deegan
2010-09-13 11:10 ` Tim Deegan
2010-09-15 4:55 ` Dong, Eddie
2010-09-15 6:40 ` Keir Fraser
2010-09-15 6:49 ` Dong, Eddie
2010-09-15 7:31 ` Keir Fraser
2010-09-15 8:15 ` Christoph Egger
2010-09-15 8:23 ` Keir Fraser
2010-09-15 9:08 ` Dong, Eddie
2010-09-15 11:39 ` Keir Fraser
2010-09-15 12:36 ` Dong, Eddie
2010-09-15 13:12 ` Keir Fraser
2010-09-20 3:13 ` Dong, Eddie
2010-09-20 8:08 ` Keir Fraser
2010-09-20 9:33 ` Dong, Eddie
2010-09-20 9:41 ` Keir Fraser
2010-09-20 13:10 ` Dong, Eddie
2010-09-20 9:41 ` Christoph Egger
2010-09-20 13:14 ` Dong, Eddie
2010-09-15 7:17 ` Qing He
2010-09-15 7:38 ` Keir Fraser
2010-09-15 7:56 ` Dong, Eddie
2010-09-15 8:15 ` Keir Fraser
2010-09-15 9:26 ` Tim Deegan
2010-09-15 9:56 ` Dong, Eddie
2010-09-15 11:46 ` Keir Fraser
2010-09-08 15:22 ` [PATCH 07/16] vmx: nest: switch current vmcs Qing He
2010-09-08 15:22 ` [PATCH 08/16] vmx: nest: vmresume/vmlaunch Qing He
2010-09-15 9:52 ` Christoph Egger
2010-09-15 11:30 ` Christoph Egger
2010-09-20 5:19 ` Dong, Eddie
2010-09-08 15:22 ` Qing He [this message]
2010-09-08 15:22 ` [PATCH 10/16] vmx: nest: L1 <-> L2 context switch Qing He
2010-09-08 15:22 ` [PATCH 11/16] vmx: nest: interrupt handling Qing He
2010-09-08 15:22 ` [PATCH 12/16] vmx: nest: VMExit handler in L2 Qing He
2010-09-08 15:22 ` [PATCH 13/16] vmx: nest: L2 tsc Qing He
2010-09-08 15:22 ` [PATCH 14/16] vmx: nest: CR0.TS and #NM Qing He
2010-09-08 15:22 ` [PATCH 15/16] vmx: nest: capability reporting MSRs Qing He
2010-09-13 12:45 ` Tim Deegan
2010-09-15 10:05 ` Christoph Egger
2010-09-15 14:28 ` Dong, Eddie
2010-09-15 14:45 ` Christoph Egger
2010-09-16 14:10 ` Dong, Eddie
2010-09-08 15:22 ` [PATCH 16/16] vmx: nest: expose cpuid and CR4.VMXE Qing He
2010-09-15 9:43 ` Christoph Egger
2010-09-13 13:10 ` [PATCH 00/16] Nested virtualization for VMX Tim Deegan
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