linux-kernel - [PATCH 4/6] iommu/vt-d: Rename cap_5lp_support to cap_fl5lp

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Date:   Fri, 23 Sep 2022 08:42:04 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     iommu@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] iommu/vt-d: Rename cap_5lp_support to cap_fl5lp_support

From: Yi Liu <yi.l.liu@...el.com>

This renaming better describes it is for first level page table (a.k.a
first stage page table since VT-d spec 3.4).

Signed-off-by: Yi Liu <yi.l.liu@...el.com>
Reviewed-by: Kevin Tian <kevin.tian@...el.com>
Link: https://lore.kernel.org/r/20220916071326.2223901-1-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/iommu/intel/iommu.h     | 2 +-
 drivers/iommu/intel/cap_audit.c | 4 ++--
 drivers/iommu/intel/iommu.c     | 2 +-
 drivers/iommu/intel/pasid.c     | 2 +-
 drivers/iommu/intel/svm.c       | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index 8f29a183467d..99cc75ecac63 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -146,7 +146,7 @@
 /*
  * Decoding Capability Register
  */
-#define cap_5lp_support(c)	(((c) >> 60) & 1)
+#define cap_fl5lp_support(c)	(((c) >> 60) & 1)
 #define cap_pi_support(c)	(((c) >> 59) & 1)
 #define cap_fl1gp_support(c)	(((c) >> 56) & 1)
 #define cap_read_drain(c)	(((c) >> 55) & 1)
diff --git a/drivers/iommu/intel/cap_audit.c b/drivers/iommu/intel/cap_audit.c
index 3ee68393122f..806986696841 100644
--- a/drivers/iommu/intel/cap_audit.c
+++ b/drivers/iommu/intel/cap_audit.c
@@ -37,7 +37,7 @@ static inline void check_dmar_capabilities(struct intel_iommu *a,
 	MINIMAL_FEATURE_IOMMU(b, ecap, ECAP_MHMV_MASK);
 	MINIMAL_FEATURE_IOMMU(b, ecap, ECAP_IRO_MASK);
 
-	CHECK_FEATURE_MISMATCH(a, b, cap, 5lp_support, CAP_FL5LP_MASK);
+	CHECK_FEATURE_MISMATCH(a, b, cap, fl5lp_support, CAP_FL5LP_MASK);
 	CHECK_FEATURE_MISMATCH(a, b, cap, fl1gp_support, CAP_FL1GP_MASK);
 	CHECK_FEATURE_MISMATCH(a, b, cap, read_drain, CAP_RD_MASK);
 	CHECK_FEATURE_MISMATCH(a, b, cap, write_drain, CAP_WD_MASK);
@@ -84,7 +84,7 @@ static int cap_audit_hotplug(struct intel_iommu *iommu, enum cap_audit_type type
 		goto out;
 	}
 
-	CHECK_FEATURE_MISMATCH_HOTPLUG(iommu, cap, 5lp_support, CAP_FL5LP_MASK);
+	CHECK_FEATURE_MISMATCH_HOTPLUG(iommu, cap, fl5lp_support, CAP_FL5LP_MASK);
 	CHECK_FEATURE_MISMATCH_HOTPLUG(iommu, cap, fl1gp_support, CAP_FL1GP_MASK);
 	CHECK_FEATURE_MISMATCH_HOTPLUG(iommu, cap, read_drain, CAP_RD_MASK);
 	CHECK_FEATURE_MISMATCH_HOTPLUG(iommu, cap, write_drain, CAP_WD_MASK);
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 6d04ee5ea3ab..81a449b5cb91 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -404,7 +404,7 @@ static unsigned long __iommu_calculate_sagaw(struct intel_iommu *iommu)
 {
 	unsigned long fl_sagaw, sl_sagaw;
 
-	fl_sagaw = BIT(2) | (cap_5lp_support(iommu->cap) ? BIT(3) : 0);
+	fl_sagaw = BIT(2) | (cap_fl5lp_support(iommu->cap) ? BIT(3) : 0);
 	sl_sagaw = cap_sagaw(iommu->cap);
 
 	/* Second level only. */
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index ccaf32949254..c30ddac40ee5 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -519,7 +519,7 @@ int intel_pasid_setup_first_level(struct intel_iommu *iommu,
 		}
 	}
 
-	if ((flags & PASID_FLAG_FL5LP) && !cap_5lp_support(iommu->cap)) {
+	if ((flags & PASID_FLAG_FL5LP) && !cap_fl5lp_support(iommu->cap)) {
 		pr_err("No 5-level paging support for first-level on %s\n",
 		       iommu->name);
 		return -EINVAL;
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index d1cab931dcb0..7d08eb034f2d 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -164,7 +164,7 @@ void intel_svm_check(struct intel_iommu *iommu)
 	}
 
 	if (cpu_feature_enabled(X86_FEATURE_LA57) &&
-	    !cap_5lp_support(iommu->cap)) {
+	    !cap_fl5lp_support(iommu->cap)) {
 		pr_err("%s SVM disabled, incompatible paging mode\n",
 		       iommu->name);
 		return;
-- 
2.34.1