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authorXiantao Zhang <xiantao.zhang@intel.com>2008-09-28 01:39:46 -0700
committerAvi Kivity <avi@redhat.com>2008-10-15 14:25:38 +0200
commitb010eb5103cfbe12ae6f08a4cdb3a748bf78c410 (patch)
treee2b812000bbb1b13edb52667e42a8d04d4ad02e5 /arch/ia64/kvm/vcpu.h
parent1cbea809c400661eecb538e0dd0bc4f3660f0a35 (diff)
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>
Diffstat (limited to 'arch/ia64/kvm/vcpu.h')
-rw-r--r--arch/ia64/kvm/vcpu.h26
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