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From: Yi Liu <yi.l.liu@intel.com>
To: joro@8bytes.org, alex.williamson@redhat.com, jgg@nvidia.com,
	kevin.tian@intel.com, robin.murphy@arm.com,
	baolu.lu@linux.intel.com
Cc: cohuck@redhat.com, eric.auger@redhat.com, nicolinc@nvidia.com,
	kvm@vger.kernel.org, mjrosato@linux.ibm.com,
	chao.p.peng@linux.intel.com, yi.l.liu@intel.com,
	yi.y.sun@linux.intel.com, peterx@redhat.com, jasowang@redhat.com,
	shameerali.kolothum.thodi@huawei.com, lulu@redhat.com,
	suravee.suthikulpanit@amd.com, iommu@lists.linux.dev,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	zhenzhong.duan@intel.com, joao.m.martins@oracle.com,
	xin.zeng@intel.com
Subject: [PATCH v6 2/3] iommu/vt-d: Make iotlb flush helpers to be extern
Date: Fri, 20 Oct 2023 02:37:17 -0700	[thread overview]
Message-ID: <20231020093719.18725-3-yi.l.liu@intel.com> (raw)
In-Reply-To: <20231020093719.18725-1-yi.l.liu@intel.com>

This makes the helpers visible to nested.c.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
---
 drivers/iommu/intel/iommu.c | 10 +++++-----
 drivers/iommu/intel/iommu.h |  6 ++++++
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index a0341a069fbf..8f81a5c9fcc0 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1511,10 +1511,10 @@ static void domain_flush_pasid_iotlb(struct intel_iommu *iommu,
 	spin_unlock_irqrestore(&domain->lock, flags);
 }
 
-static void iommu_flush_iotlb_psi(struct intel_iommu *iommu,
-				  struct dmar_domain *domain,
-				  unsigned long pfn, unsigned int pages,
-				  int ih, int map)
+void iommu_flush_iotlb_psi(struct intel_iommu *iommu,
+			   struct dmar_domain *domain,
+			   unsigned long pfn, unsigned int pages,
+			   int ih, int map)
 {
 	unsigned int aligned_pages = __roundup_pow_of_two(pages);
 	unsigned int mask = ilog2(aligned_pages);
@@ -1587,7 +1587,7 @@ static inline void __mapping_notify_one(struct intel_iommu *iommu,
 		iommu_flush_write_buffer(iommu);
 }
 
-static void intel_flush_iotlb_all(struct iommu_domain *domain)
+void intel_flush_iotlb_all(struct iommu_domain *domain)
 {
 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);
 	struct iommu_domain_info *info;
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index 0539a0f47557..b5f33a7c1973 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -867,6 +867,12 @@ void device_block_translation(struct device *dev);
 int prepare_domain_attach_device(struct iommu_domain *domain,
 				 struct device *dev);
 void domain_update_iommu_cap(struct dmar_domain *domain);
+void iommu_flush_iotlb_psi(struct intel_iommu *iommu,
+			   struct dmar_domain *domain,
+			   unsigned long pfn, unsigned int pages,
+			   int ih, int map);
+void intel_flush_iotlb_all(struct iommu_domain *domain);
+
 
 int dmar_ir_support(void);
 
-- 
2.34.1


  parent reply	other threads:[~2023-10-20  9:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-20  9:37 [PATCH v6 0/3] Add Intel VT-d nested translation (part 2/2) Yi Liu
2023-10-20  9:37 ` [PATCH v6 1/3] iommufd: Add data structure for Intel VT-d stage-1 cache invalidation Yi Liu
2023-10-20  9:37 ` Yi Liu [this message]
2023-10-21  3:29   ` [PATCH v6 2/3] iommu/vt-d: Make iotlb flush helpers to be extern Baolu Lu
2023-10-20  9:37 ` [PATCH v6 3/3] iommu/vt-d: Add iotlb flush for nested domain Yi Liu

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