Merge branch 'for-next/hugepages' of git://git.linaro.org/people/stevecapper/linux...

[~andy/linux] / arch / arm64 / include / asm / pgtable.h

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 720fc4a2be494f72c840d39623ec96d2fe928c59..065e58f01b1ed1dc68ed6c22ff3f2cfeed4a40f9 100644 (file)
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -76,6 +76,12 @@ extern pgprot_t pgprot_default;
 #define PAGE_KERNEL            _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY)
 #define PAGE_KERNEL_EXEC       _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY)
 
+#define PAGE_HYP               _MOD_PROT(pgprot_default, PTE_HYP)
+#define PAGE_HYP_DEVICE                __pgprot(PROT_DEVICE_nGnRE | PTE_HYP)
+
+#define PAGE_S2                        __pgprot_modify(pgprot_default, PTE_S2_MEMATTR_MASK, PTE_S2_MEMATTR(MT_S2_NORMAL) | PTE_S2_RDONLY)
+#define PAGE_S2_DEVICE         __pgprot(PROT_DEFAULT | PTE_S2_MEMATTR(MT_S2_DEVICE_nGnRE) | PTE_S2_RDWR | PTE_UXN)
+
 #define __PAGE_NONE            __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE | PTE_RDONLY | PTE_PXN | PTE_UXN)
 #define __PAGE_SHARED          __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
 #define __PAGE_SHARED_EXEC     __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
@@ -119,7 +125,7 @@ extern struct page *empty_zero_page;
 #define pte_none(pte)          (!pte_val(pte))
 #define pte_clear(mm,addr,ptep)        set_pte(ptep, __pte(0))
 #define pte_page(pte)          (pfn_to_page(pte_pfn(pte)))
-#define pte_offset_kernel(dir,addr)    (pmd_page_vaddr(*(dir)) + __pte_index(addr))
+#define pte_offset_kernel(dir,addr)    (pmd_page_vaddr(*(dir)) + pte_index(addr))
 
 #define pte_offset_map(dir,addr)       pte_offset_kernel((dir), (addr))
 #define pte_offset_map_nested(dir,addr)        pte_offset_kernel((dir), (addr))
@@ -261,6 +267,12 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 
 #define pmd_bad(pmd)           (!(pmd_val(pmd) & 2))
 
+#define pmd_table(pmd)         ((pmd_val(pmd) & PMD_TYPE_MASK) == \
+                                PMD_TYPE_TABLE)
+#define pmd_sect(pmd)          ((pmd_val(pmd) & PMD_TYPE_MASK) == \
+                                PMD_TYPE_SECT)
+
+
 static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
 {
        *pmdp = pmd;
@@ -327,7 +339,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
 #endif
 
 /* Find an entry in the third-level page table.. */
-#define __pte_index(addr)      (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_index(addr)                (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {