From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>, David Woodhouse <dwmw2@infradead.org>
Cc: ashok.raj@intel.com, sanjay.k.kumar@intel.com,
jacob.jun.pan@intel.com, kevin.tian@intel.com,
yi.l.liu@intel.com, yi.y.sun@intel.com, peterx@redhat.com,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Lu Baolu <baolu.lu@linux.intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: [PATCH 03/10] iommu/vt-d: Move page table helpers into header
Date: Mon, 16 Jul 2018 14:49:46 +0800 [thread overview]
Message-ID: <1531723793-14607-4-git-send-email-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <1531723793-14607-1-git-send-email-baolu.lu@linux.intel.com>
So that they could also be used in other source files.
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
---
drivers/iommu/intel-iommu.c | 43 -------------------------------------------
include/linux/intel-iommu.h | 43 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+), 43 deletions(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index f9036c8..a139a45 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -315,49 +315,6 @@ static inline void context_clear_entry(struct context_entry *context)
}
/*
- * 0: readable
- * 1: writable
- * 2-6: reserved
- * 7: super page
- * 8-10: available
- * 11: snoop behavior
- * 12-63: Host physcial address
- */
-struct dma_pte {
- u64 val;
-};
-
-static inline void dma_clear_pte(struct dma_pte *pte)
-{
- pte->val = 0;
-}
-
-static inline u64 dma_pte_addr(struct dma_pte *pte)
-{
-#ifdef CONFIG_64BIT
- return pte->val & VTD_PAGE_MASK;
-#else
- /* Must have a full atomic 64-bit read */
- return __cmpxchg64(&pte->val, 0ULL, 0ULL) & VTD_PAGE_MASK;
-#endif
-}
-
-static inline bool dma_pte_present(struct dma_pte *pte)
-{
- return (pte->val & 3) != 0;
-}
-
-static inline bool dma_pte_superpage(struct dma_pte *pte)
-{
- return (pte->val & DMA_PTE_LARGE_PAGE);
-}
-
-static inline int first_pte_in_page(struct dma_pte *pte)
-{
- return !((unsigned long)pte & ~VTD_PAGE_MASK);
-}
-
-/*
* This domain is a statically identity mapping domain.
* 1. This domain creats a static 1:1 mapping to all usable memory.
* 2. It maps to each iommu if successful.
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 4124cd9..7818b1c 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -501,6 +501,49 @@ static inline void __iommu_flush_cache(
clflush_cache_range(addr, size);
}
+/*
+ * 0: readable
+ * 1: writable
+ * 2-6: reserved
+ * 7: super page
+ * 8-10: available
+ * 11: snoop behavior
+ * 12-63: Host physcial address
+ */
+struct dma_pte {
+ u64 val;
+};
+
+static inline void dma_clear_pte(struct dma_pte *pte)
+{
+ pte->val = 0;
+}
+
+static inline u64 dma_pte_addr(struct dma_pte *pte)
+{
+#ifdef CONFIG_64BIT
+ return pte->val & VTD_PAGE_MASK;
+#else
+ /* Must have a full atomic 64-bit read */
+ return __cmpxchg64(&pte->val, 0ULL, 0ULL) & VTD_PAGE_MASK;
+#endif
+}
+
+static inline bool dma_pte_present(struct dma_pte *pte)
+{
+ return (pte->val & 3) != 0;
+}
+
+static inline bool dma_pte_superpage(struct dma_pte *pte)
+{
+ return (pte->val & DMA_PTE_LARGE_PAGE);
+}
+
+static inline int first_pte_in_page(struct dma_pte *pte)
+{
+ return !((unsigned long)pte & ~VTD_PAGE_MASK);
+}
+
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
--
2.7.4
next prev parent reply other threads:[~2018-07-16 6:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-16 6:49 [PATCH 00/10] iommu/vt-d: Add scalable mode support Lu Baolu
2018-07-16 6:49 ` Lu Baolu
2018-07-16 6:49 ` [PATCH 01/10] iommu/vt-d: Enumerate the scalable mode capability Lu Baolu
2018-07-16 6:49 ` [PATCH 02/10] iommu/vt-d: Manage scalalble mode PASID tables Lu Baolu
2018-07-16 6:49 ` Lu Baolu [this message]
2018-07-16 6:49 ` [PATCH 04/10] iommu/vt-d: Add second level page table interface Lu Baolu
2018-07-16 6:49 ` [PATCH 05/10] iommu/vt-d: Setup pasid entry for RID2PASID support Lu Baolu
2018-07-16 6:49 ` [PATCH 06/10] iommu/vt-d: Pass pasid table to context mapping Lu Baolu
2018-07-16 6:49 ` [PATCH 07/10] iommu/vt-d: Setup context and enable RID2PASID support Lu Baolu
2018-07-16 6:49 ` [PATCH 08/10] iommu/vt-d: Add first level page table interface Lu Baolu
2018-07-16 6:49 ` [PATCH 09/10] iommu/vt-d: Shared virtual address in scalable mode Lu Baolu
2018-07-16 6:49 ` [PATCH 10/10] iommu/vt-d: Remove deferred invalidation Lu Baolu
2018-07-16 10:51 ` [PATCH 00/10] iommu/vt-d: Add scalable mode support Jean-Philippe Brucker
[not found] ` <07fe2e3f-4f4a-58db-ee2a-2620183d93b2-5wv7dgnIgG8@public.gmane.org>
2018-07-17 1:47 ` Liu, Yi L
2018-07-17 1:47 ` Liu, Yi L
2018-07-19 0:47 ` Jacob Pan
2018-07-19 0:47 ` Jacob Pan
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