KVM: use desc_ptr struct instead of kvm private descriptor_table
x86 arch defines desc_ptr for idt/gdt pointers, no need to define
another structure in kvm code.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3c4ca98..274a8e3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -225,7 +225,7 @@
unsigned long segment_base(u16 selector)
{
- struct descriptor_table gdt;
+ struct desc_ptr gdt;
struct desc_struct *d;
unsigned long table_base;
unsigned long v;
@@ -234,7 +234,7 @@
return 0;
kvm_get_gdt(&gdt);
- table_base = gdt.base;
+ table_base = gdt.address;
if (selector & 4) { /* from ldt */
u16 ldt_selector = kvm_read_ldt();
@@ -3949,14 +3949,14 @@
void realmode_lgdt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
{
- struct descriptor_table dt = { limit, base };
+ struct desc_ptr dt = { limit, base };
kvm_x86_ops->set_gdt(vcpu, &dt);
}
void realmode_lidt(struct kvm_vcpu *vcpu, u16 limit, unsigned long base)
{
- struct descriptor_table dt = { limit, base };
+ struct desc_ptr dt = { limit, base };
kvm_x86_ops->set_idt(vcpu, &dt);
}
@@ -4581,7 +4581,7 @@
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- struct descriptor_table dt;
+ struct desc_ptr dt;
vcpu_load(vcpu);
@@ -4596,11 +4596,11 @@
kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR);
kvm_x86_ops->get_idt(vcpu, &dt);
- sregs->idt.limit = dt.limit;
- sregs->idt.base = dt.base;
+ sregs->idt.limit = dt.size;
+ sregs->idt.base = dt.address;
kvm_x86_ops->get_gdt(vcpu, &dt);
- sregs->gdt.limit = dt.limit;
- sregs->gdt.base = dt.base;
+ sregs->gdt.limit = dt.size;
+ sregs->gdt.base = dt.address;
sregs->cr0 = kvm_read_cr0(vcpu);
sregs->cr2 = vcpu->arch.cr2;
@@ -4672,7 +4672,7 @@
static void get_segment_descriptor_dtable(struct kvm_vcpu *vcpu,
u16 selector,
- struct descriptor_table *dtable)
+ struct desc_ptr *dtable)
{
if (selector & 1 << 2) {
struct kvm_segment kvm_seg;
@@ -4680,10 +4680,10 @@
kvm_get_segment(vcpu, &kvm_seg, VCPU_SREG_LDTR);
if (kvm_seg.unusable)
- dtable->limit = 0;
+ dtable->size = 0;
else
- dtable->limit = kvm_seg.limit;
- dtable->base = kvm_seg.base;
+ dtable->size = kvm_seg.limit;
+ dtable->address = kvm_seg.base;
}
else
kvm_x86_ops->get_gdt(vcpu, dtable);
@@ -4693,7 +4693,7 @@
static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
struct desc_struct *seg_desc)
{
- struct descriptor_table dtable;
+ struct desc_ptr dtable;
u16 index = selector >> 3;
int ret;
u32 err;
@@ -4701,7 +4701,7 @@
get_segment_descriptor_dtable(vcpu, selector, &dtable);
- if (dtable.limit < index * 8 + 7) {
+ if (dtable.size < index * 8 + 7) {
kvm_queue_exception_e(vcpu, GP_VECTOR, selector & 0xfffc);
return X86EMUL_PROPAGATE_FAULT;
}
@@ -4718,14 +4718,14 @@
static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
struct desc_struct *seg_desc)
{
- struct descriptor_table dtable;
+ struct desc_ptr dtable;
u16 index = selector >> 3;
get_segment_descriptor_dtable(vcpu, selector, &dtable);
- if (dtable.limit < index * 8 + 7)
+ if (dtable.size < index * 8 + 7)
return 1;
- return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
+ return kvm_write_guest_virt(dtable.address + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
}
static gpa_t get_tss_base_addr_write(struct kvm_vcpu *vcpu,
@@ -5204,15 +5204,15 @@
{
int mmu_reset_needed = 0;
int pending_vec, max_bits;
- struct descriptor_table dt;
+ struct desc_ptr dt;
vcpu_load(vcpu);
- dt.limit = sregs->idt.limit;
- dt.base = sregs->idt.base;
+ dt.size = sregs->idt.limit;
+ dt.address = sregs->idt.base;
kvm_x86_ops->set_idt(vcpu, &dt);
- dt.limit = sregs->gdt.limit;
- dt.base = sregs->gdt.base;
+ dt.size = sregs->gdt.limit;
+ dt.address = sregs->gdt.base;
kvm_x86_ops->set_gdt(vcpu, &dt);
vcpu->arch.cr2 = sregs->cr2;