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[v2,12/17] KVM: arm64: nv: Make ps_to_output_size() generally available

Message ID 20240731194030.1991237-13-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: nv: Add support for address translation instructions | expand

Commit Message

Marc Zyngier July 31, 2024, 7:40 p.m. UTC 
Make this helper visible to at.c, we are going to need it.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/include/asm/kvm_nested.h | 14 ++++++++++++++
 arch/arm64/kvm/nested.c             | 14 --------------
 2 files changed, 14 insertions(+), 14 deletions(-)
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Patch

diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h
index b2fe759964d8..c7adbddbab33 100644
--- a/arch/arm64/include/asm/kvm_nested.h
+++ b/arch/arm64/include/asm/kvm_nested.h
@@ -205,4 +205,18 @@  static inline u64 kvm_encode_nested_level(struct kvm_s2_trans *trans)
 	return FIELD_PREP(KVM_NV_GUEST_MAP_SZ, trans->level);
 }
 
+static inline unsigned int ps_to_output_size(unsigned int ps)
+{
+	switch (ps) {
+	case 0: return 32;
+	case 1: return 36;
+	case 2: return 40;
+	case 3: return 42;
+	case 4: return 44;
+	case 5:
+	default:
+		return 48;
+	}
+}
+
 #endif /* __ARM64_KVM_NESTED_H */
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 3259f4fccdcd..695a1b774250 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -103,20 +103,6 @@  struct s2_walk_info {
 	bool	     be;
 };
 
-static unsigned int ps_to_output_size(unsigned int ps)
-{
-	switch (ps) {
-	case 0: return 32;
-	case 1: return 36;
-	case 2: return 40;
-	case 3: return 42;
-	case 4: return 44;
-	case 5:
-	default:
-		return 48;
-	}
-}
-
 static u32 compute_fsc(int level, u32 fsc)
 {
 	return fsc | (level & 0x3);