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Diffstat (limited to 'drivers/kvm/kvm.h')
-rw-r--r--drivers/kvm/kvm.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 1c4a581938b..7866b34b6c9 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -74,6 +74,8 @@
#define IOPL_SHIFT 12
+#define KVM_PIO_PAGE_OFFSET 1
+
/*
* Address types:
*
@@ -220,6 +222,18 @@ enum {
VCPU_SREG_LDTR,
};
+struct kvm_pio_request {
+ unsigned long count;
+ int cur_count;
+ struct page *guest_pages[2];
+ unsigned guest_page_offset;
+ int in;
+ int size;
+ int string;
+ int down;
+ int rep;
+};
+
struct kvm_vcpu {
struct kvm *kvm;
union {
@@ -275,7 +289,8 @@ struct kvm_vcpu {
int mmio_size;
unsigned char mmio_data[8];
gpa_t mmio_phys_addr;
- int pio_pending;
+ struct kvm_pio_request pio;
+ void *pio_data;
int sigset_active;
sigset_t sigset;
@@ -421,6 +436,7 @@ hpa_t gpa_to_hpa(struct kvm_vcpu *vcpu, gpa_t gpa);
#define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva);
+struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
void kvm_emulator_want_group7_invlpg(void);
@@ -453,6 +469,9 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
struct x86_emulate_ctxt;
+int kvm_setup_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
+ int size, unsigned long count, int string, int down,
+ gva_t address, int rep, unsigned port);
void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
int emulate_clts(struct kvm_vcpu *vcpu);