xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/book3s/64/pkeys.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun #ifndef _ASM_POWERPC_BOOK3S_64_PKEYS_H
4*4882a593Smuzhiyun #define _ASM_POWERPC_BOOK3S_64_PKEYS_H
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <asm/book3s/64/hash-pkey.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun extern u64 __ro_after_init default_uamor;
9*4882a593Smuzhiyun 
vmflag_to_pte_pkey_bits(u64 vm_flags)10*4882a593Smuzhiyun static inline u64 vmflag_to_pte_pkey_bits(u64 vm_flags)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	if (!mmu_has_feature(MMU_FTR_PKEY))
13*4882a593Smuzhiyun 		return 0x0UL;
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun 	if (radix_enabled())
16*4882a593Smuzhiyun 		BUG();
17*4882a593Smuzhiyun 	return hash__vmflag_to_pte_pkey_bits(vm_flags);
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun 
pte_to_pkey_bits(u64 pteflags)20*4882a593Smuzhiyun static inline u16 pte_to_pkey_bits(u64 pteflags)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	if (radix_enabled())
23*4882a593Smuzhiyun 		BUG();
24*4882a593Smuzhiyun 	return hash__pte_to_pkey_bits(pteflags);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #endif /*_ASM_POWERPC_KEYS_H */
28