Add in the APTable permission bit encoding to describe table-level hierarchical access control Signed-off-by: Maxwell Bland <mbland@xxxxxxxxxxxx> --- arch/arm64/include/asm/pgtable-hwdef.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index 9943ff0af4c9..8c229fc96c0a 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -146,6 +146,11 @@ #define PMD_SECT_UXN (_AT(pmdval_t, 1) << 54) #define PMD_TABLE_PXN (_AT(pmdval_t, 1) << 59) #define PMD_TABLE_UXN (_AT(pmdval_t, 1) << 60) +/* + * APTable[1:0] encoding for hierarchical data access control + */ +#define PMD_TABLE_KERN (_AT(pmdval_t, 1) << 61) +#define PMD_TABLE_PRDONLY (_AT(pmdval_t, 1) << 62) /* * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers). -- 2.43.0