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KVM: Portability: Make kvm_vcpu_ioctl_translate arch dependent

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Move kvm_vcpu_ioctl_translate to arch, since mmu would be put under arch.

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Zhang Xiantao 2007-11-16 13:05:55 +08:00 committed by Avi Kivity
parent e08aa78ae5
commit 8b0067913d
3 changed files with 26 additions and 23 deletions
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3
drivers/kvm/kvm.h
View File

@ -642,6 +642,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm);
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr);
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,

24
drivers/kvm/kvm_main.c
View File

@ -761,28 +761,6 @@ void kvm_resched(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_resched);
/*
* Translate a guest virtual address to a guest physical address.
*/
static int kvm_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr)
{
unsigned long vaddr = tr->linear_address;
gpa_t gpa;
vcpu_load(vcpu);
mutex_lock(&vcpu->kvm->lock);
gpa = vcpu->mmu.gva_to_gpa(vcpu, vaddr);
tr->physical_address = gpa;
tr->valid = gpa != UNMAPPED_GVA;
tr->writeable = 1;
tr->usermode = 0;
mutex_unlock(&vcpu->kvm->lock);
vcpu_put(vcpu);
return 0;
}
static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
struct kvm_interrupt *irq)
{
@ -986,7 +964,7 @@ static long kvm_vcpu_ioctl(struct file *filp,
r = -EFAULT;
if (copy_from_user(&tr, argp, sizeof tr))
goto out;
r = kvm_vcpu_ioctl_translate(vcpu, &tr);
r = kvm_arch_vcpu_ioctl_translate(vcpu, &tr);
if (r)
goto out;
r = -EFAULT;

22
drivers/kvm/x86.c
View File

@ -2318,6 +2318,28 @@ struct fxsave {
#endif
};
/*
* Translate a guest virtual address to a guest physical address.
*/
int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr)
{
unsigned long vaddr = tr->linear_address;
gpa_t gpa;
vcpu_load(vcpu);
mutex_lock(&vcpu->kvm->lock);
gpa = vcpu->mmu.gva_to_gpa(vcpu, vaddr);
tr->physical_address = gpa;
tr->valid = gpa != UNMAPPED_GVA;
tr->writeable = 1;
tr->usermode = 0;
mutex_unlock(&vcpu->kvm->lock);
vcpu_put(vcpu);
return 0;
}
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
struct fxsave *fxsave = (struct fxsave *)&vcpu->guest_fx_image;