intel-iommu: move root entry defs from dma_remapping.h

We keep the struct root_entry forward declaration for the
pointer in struct intel_iommu.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 6fadbb9bc180e54e6d047ff15981198a23ef462b..29bf2d8176e222c2f2002a9f637c728419bb94bc 100644 (file)
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -57,6 +57,39 @@
 #define DMA_32BIT_PFN          IOVA_PFN(DMA_32BIT_MASK)
 #define DMA_64BIT_PFN          IOVA_PFN(DMA_64BIT_MASK)
 
+/*
+ * 0: Present
+ * 1-11: Reserved
+ * 12-63: Context Ptr (12 - (haw-1))
+ * 64-127: Reserved
+ */
+struct root_entry {
+       u64     val;
+       u64     rsvd1;
+};
+#define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
+static inline bool root_present(struct root_entry *root)
+{
+       return (root->val & 1);
+}
+static inline void set_root_present(struct root_entry *root)
+{
+       root->val |= 1;
+}
+static inline void set_root_value(struct root_entry *root, unsigned long value)
+{
+       root->val |= value & VTD_PAGE_MASK;
+}
+
+static inline struct context_entry *
+get_context_addr_from_root(struct root_entry *root)
+{
+       return (struct context_entry *)
+               (root_present(root)?phys_to_virt(
+               root->val & VTD_PAGE_MASK) :
+               NULL);
+}
+
 static void flush_unmaps_timeout(unsigned long data);
 
 DEFINE_TIMER(unmap_timer,  flush_unmaps_timeout, 0, 0);

diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 2e5a5c0b6acd99b8e40a342cd6ee1c3baf0783e0..d8521662a495fdfb4a00dbf619d278c56eff4eb9 100644 (file)
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -9,39 +9,7 @@
 #define VTD_PAGE_MASK          (((u64)-1) << VTD_PAGE_SHIFT)
 #define VTD_PAGE_ALIGN(addr)   (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
 
-/*
- * 0: Present
- * 1-11: Reserved
- * 12-63: Context Ptr (12 - (haw-1))
- * 64-127: Reserved
- */
-struct root_entry {
-       u64     val;
-       u64     rsvd1;
-};
-#define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
-static inline bool root_present(struct root_entry *root)
-{
-       return (root->val & 1);
-}
-static inline void set_root_present(struct root_entry *root)
-{
-       root->val |= 1;
-}
-static inline void set_root_value(struct root_entry *root, unsigned long value)
-{
-       root->val |= value & VTD_PAGE_MASK;
-}
-
-struct context_entry;
-static inline struct context_entry *
-get_context_addr_from_root(struct root_entry *root)
-{
-       return (struct context_entry *)
-               (root_present(root)?phys_to_virt(
-               root->val & VTD_PAGE_MASK) :
-               NULL);
-}
+struct root_entry;
 
 /*
  * low 64 bits: