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[2/3] KVM: add converters between pfn_t and kvm_pfn_t

Message ID 20171027022524.22589-3-haozhong.zhang@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Haozhong Zhang Oct. 27, 2017, 2:25 a.m. UTC
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
---
 include/linux/kvm_host.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6882538eda32..759fe498c89e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -67,6 +67,9 @@ 
 #define KVM_PFN_ERR_HWPOISON	(KVM_PFN_ERR_MASK + 1)
 #define KVM_PFN_ERR_RO_FAULT	(KVM_PFN_ERR_MASK + 2)
 
+#define kvm_pfn_to_pfn(x) ((pfn_t){ .val = (x)})
+#define pfn_to_kvm_pfn(x) ((kvm_pfn_t)((x).val))
+
 /*
  * error pfns indicate that the gfn is in slot but faild to
  * translate it to pfn on host.