[xen master] move PAGE_*_* macros to xen/page-defs.h

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[xen master] move PAGE_*_* macros to xen/page-defs.h

patchbot
commit 35f1ce9c23bfa378e1a1e2cda939be67b8d3a121
Author:     Sergej Proskurin <[hidden email]>
AuthorDate: Thu Aug 3 12:27:15 2017 +0200
Commit:     Jan Beulich <[hidden email]>
CommitDate: Thu Aug 3 12:27:15 2017 +0200

    move PAGE_*_* macros to xen/page-defs.h
   
    Move pre-existing PAGE_(SHIFT|SIZE|MASK|ALIGN)_(4K|64K) and
    introduce corresponding defines for 16K page granularity to/in a
    common place in xen/page-defs.h to allow later commits to use the
    consolidated defines.
   
    Signed-off-by: Sergej Proskurin <[hidden email]>
    Acked-by: Jan Beulich <[hidden email]>
---
 xen/include/xen/iommu.h     | 15 +--------------
 xen/include/xen/page-defs.h | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 14 deletions(-)

diff --git a/xen/include/xen/iommu.h b/xen/include/xen/iommu.h
index 918ee99..0dac4f3 100644
--- a/xen/include/xen/iommu.h
+++ b/xen/include/xen/iommu.h
@@ -20,6 +20,7 @@
 #define _IOMMU_H_
 
 #include <xen/init.h>
+#include <xen/page-defs.h>
 #include <xen/spinlock.h>
 #include <xen/pci.h>
 #include <public/hvm/ioreq.h>
@@ -37,20 +38,6 @@ extern bool_t amd_iommu_perdev_intremap;
 
 extern unsigned int iommu_dev_iotlb_timeout;
 
-#define IOMMU_PAGE_SIZE(sz) (1UL << PAGE_SHIFT_##sz)
-#define IOMMU_PAGE_MASK(sz) (~(u64)0 << PAGE_SHIFT_##sz)
-#define IOMMU_PAGE_ALIGN(sz, addr)  (((addr) + ~PAGE_MASK_##sz) & PAGE_MASK_##sz)
-
-#define PAGE_SHIFT_4K       (12)
-#define PAGE_SIZE_4K        IOMMU_PAGE_SIZE(4K)
-#define PAGE_MASK_4K        IOMMU_PAGE_MASK(4K)
-#define PAGE_ALIGN_4K(addr) IOMMU_PAGE_ALIGN(4K, addr)
-
-#define PAGE_SHIFT_64K          (16)
-#define PAGE_SIZE_64K           IOMMU_PAGE_SIZE(64K)
-#define PAGE_MASK_64K           IOMMU_PAGE_MASK(64K)
-#define PAGE_ALIGN_64K(addr)    IOMMU_PAGE_ALIGN(64K, addr)
-
 int iommu_setup(void);
 
 int iommu_domain_init(struct domain *d);
diff --git a/xen/include/xen/page-defs.h b/xen/include/xen/page-defs.h
new file mode 100644
index 0000000..15a9077
--- /dev/null
+++ b/xen/include/xen/page-defs.h
@@ -0,0 +1,24 @@
+#ifndef __XEN_PAGE_DEFS_H__
+#define __XEN_PAGE_DEFS_H__
+
+/* Helpers for different page granularities. */
+#define PAGE_SIZE_GRAN(gran)        ((paddr_t)1 << PAGE_SHIFT_##gran)
+#define PAGE_MASK_GRAN(gran)        (-PAGE_SIZE_GRAN(gran))
+#define PAGE_ALIGN_GRAN(gran, addr) ((addr + ~PAGE_MASK_##gran) & PAGE_MASK_##gran)
+
+#define PAGE_SHIFT_4K               12
+#define PAGE_SIZE_4K                PAGE_SIZE_GRAN(4K)
+#define PAGE_MASK_4K                PAGE_MASK_GRAN(4K)
+#define PAGE_ALIGN_4K(addr)         PAGE_ALIGN_GRAN(4K, addr)
+
+#define PAGE_SHIFT_16K              14
+#define PAGE_SIZE_16K               PAGE_SIZE_GRAN(16K)
+#define PAGE_MASK_16K               PAGE_MASK_GRAN(16K)
+#define PAGE_ALIGN_16K(addr)        PAGE_ALIGN_GRAN(16K, addr)
+
+#define PAGE_SHIFT_64K              16
+#define PAGE_SIZE_64K               PAGE_SIZE_GRAN(64K)
+#define PAGE_MASK_64K               PAGE_MASK_GRAN(64K)
+#define PAGE_ALIGN_64K(addr)        PAGE_ALIGN_GRAN(64K, addr)
+
+#endif /* __XEN_PAGE_DEFS_H__ */
--
generated by git-patchbot for /home/xen/git/xen.git#master

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