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Date: Sun, 6 Jan 2008 16:39:11 +0200
From: Avi Kivity <avi@...ranet.com>
To: linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net
Cc: Zhang Xiantao <xiantao.zhang@...el.com>
Subject: [PATCH 05/33] KVM: Portability: Split mmu-related static inline functions to mmu.h
From: Zhang Xiantao <xiantao.zhang@...el.com>
Since these functions need to know the details of kvm or kvm_vcpu structure,
it can't be put in x86.h. Create mmu.h to hold them.
Signed-off-by: Zhang Xiantao <xiantao.zhang@...el.com>
Acked-by: Carsten Otte <cotte@...ibm.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
drivers/kvm/kvm.h | 1 +
drivers/kvm/mmu.c | 1 +
drivers/kvm/mmu.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
drivers/kvm/svm.c | 1 +
drivers/kvm/vmx.c | 1 +
drivers/kvm/x86.c | 7 +++++++
drivers/kvm/x86.h | 44 --------------------------------------------
7 files changed, 55 insertions(+), 44 deletions(-)
create mode 100644 drivers/kvm/mmu.h
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 668a830..c040bb3 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -396,6 +396,7 @@ 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);
+int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
void kvm_free_physmem(struct kvm *kvm);
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index da1dedb..1dc0e8c 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -20,6 +20,7 @@
#include "vmx.h"
#include "kvm.h"
#include "x86.h"
+#include "mmu.h"
#include <linux/types.h>
#include <linux/string.h>
diff --git a/drivers/kvm/mmu.h b/drivers/kvm/mmu.h
new file mode 100644
index 0000000..9ebfd1c
--- /dev/null
+++ b/drivers/kvm/mmu.h
@@ -0,0 +1,44 @@
+#ifndef __KVM_X86_MMU_H
+#define __KVM_X86_MMU_H
+
+#include "kvm.h"
+
+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->arch.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->arch.shadow_efer & EFER_LME;
+#else
+ return 0;
+#endif
+}
+
+static inline int is_pae(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.cr4 & X86_CR4_PAE;
+}
+
+static inline int is_pse(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.cr4 & X86_CR4_PSE;
+}
+
+static inline int is_paging(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.cr0 & X86_CR0_PG;
+}
+
+#endif
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 6c100b1..35ad96d 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -17,6 +17,7 @@
#include "kvm_svm.h"
#include "x86_emulate.h"
#include "irq.h"
+#include "mmu.h"
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index e26e299..456eb9c 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -21,6 +21,7 @@
#include "irq.h"
#include "vmx.h"
#include "segment_descriptor.h"
+#include "mmu.h"
#include <linux/module.h>
#include <linux/kernel.h>
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 5a2f33a..60f9722 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -19,6 +19,7 @@
#include "x86_emulate.h"
#include "segment_descriptor.h"
#include "irq.h"
+#include "mmu.h"
#include <linux/kvm.h>
#include <linux/fs.h>
@@ -3139,3 +3140,9 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
return 0;
}
+
+int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.mp_state == VCPU_MP_STATE_RUNNABLE
+ || vcpu->arch.mp_state == VCPU_MP_STATE_SIPI_RECEIVED;
+}
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index 0e01ac7..0da4be9 100644
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -334,44 +334,6 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
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->arch.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->arch.shadow_efer & EFER_LME;
-#else
- return 0;
-#endif
-}
-
-static inline int is_pae(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.cr4 & X86_CR4_PAE;
-}
-
-static inline int is_pse(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.cr4 & X86_CR4_PSE;
-}
-
-static inline int is_paging(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.cr0 & X86_CR0_PG;
-}
-
int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
int complete_pio(struct kvm_vcpu *vcpu);
@@ -490,10 +452,4 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
#define TSS_REDIRECTION_SIZE (256 / 8)
#define RMODE_TSS_SIZE (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
-static inline int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.mp_state == VCPU_MP_STATE_RUNNABLE
- || vcpu->arch.mp_state == VCPU_MP_STATE_SIPI_RECEIVED;
-}
-
#endif
--
1.5.3.7
--
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