linux-kernel - [PATCH v3 01/14] iommu/amd: Re-define amd_iommu_domain_encode

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Date:   Sun,  4 Oct 2020 01:45:36 +0000
From:   Suravee Suthikulpanit <suravee.suthikulpanit@....com>
To:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org
Cc:     joro@...tes.org, robin.murphy@....com,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: [PATCH v3 01/14] iommu/amd: Re-define amd_iommu_domain_encode_pgtable as inline

Move the function to header file to allow inclusion in other files.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
---
 drivers/iommu/amd/amd_iommu.h | 13 +++++++++++++
 drivers/iommu/amd/iommu.c     | 10 ----------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index 57309716fd18..97cdb235ce69 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -93,6 +93,19 @@ static inline void *iommu_phys_to_virt(unsigned long paddr)
 	return phys_to_virt(__sme_clr(paddr));
 }
 
+static inline
+void amd_iommu_domain_set_pt_root(struct protection_domain *domain, u64 root)
+{
+	atomic64_set(&domain->pt_root, root);
+}
+
+static inline
+void amd_iommu_domain_clr_pt_root(struct protection_domain *domain)
+{
+	amd_iommu_domain_set_pt_root(domain, 0);
+}
+
+
 extern bool translation_pre_enabled(struct amd_iommu *iommu);
 extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain,
 					 struct device *dev);
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index db4fb840c59c..e92b3f744292 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -162,16 +162,6 @@ static void amd_iommu_domain_get_pgtable(struct protection_domain *domain,
 	pgtable->mode = pt_root & 7; /* lowest 3 bits encode pgtable mode */
 }
 
-static void amd_iommu_domain_set_pt_root(struct protection_domain *domain, u64 root)
-{
-	atomic64_set(&domain->pt_root, root);
-}
-
-static void amd_iommu_domain_clr_pt_root(struct protection_domain *domain)
-{
-	amd_iommu_domain_set_pt_root(domain, 0);
-}
-
 static void amd_iommu_domain_set_pgtable(struct protection_domain *domain,
 					 u64 *root, int mode)
 {
-- 
2.17.1