KVM: ia64: add directed mmio range support for kvm guests

Using vt-d, kvm guests can be assigned physcial devices, so
this patch introduce a new mmio type (directed mmio)
to handle its mmio access.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index b0fcfb62c49e..341e3fee280c 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -313,21 +313,21 @@ static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir,
         trp->rid = rid;
 }
 
-extern u64 kvm_lookup_mpa(u64 gpfn);
-extern u64 kvm_gpa_to_mpa(u64 gpa);
-
-/* Return I/O type if trye */
-#define __gpfn_is_io(gpfn)                      \
-        ({                                              \
-         u64 pte, ret = 0;                      \
-         pte = kvm_lookup_mpa(gpfn);            \
-         if (!(pte & GPFN_INV_MASK))            \
-         ret = pte & GPFN_IO_MASK;      \
-         ret;                                   \
-         })
+extern u64 kvm_get_mpt_entry(u64 gpfn);
 
+/* Return I/ */
+static inline u64 __gpfn_is_io(u64 gpfn)
+{
+        u64  pte;
+        pte = kvm_get_mpt_entry(gpfn);
+        if (!(pte & GPFN_INV_MASK)) {
+                pte = pte & GPFN_IO_MASK;
+                if (pte != GPFN_PHYS_MMIO)
+                        return pte;
+        }
+        return 0;
+}
 #endif
-
 #define IA64_NO_FAULT   0
 #define IA64_FAULT      1