1/* SPDX-License-Identifier: GPL-2.0-only */
 2/* adi_64.h: ADI related data structures
 3 *
 4 * Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved.
 5 * Author: Khalid Aziz (khalid.aziz@oracle.com)
 6 */
 7#ifndef __ASM_SPARC64_ADI_H
 8#define __ASM_SPARC64_ADI_H
 9
10#include <linux/types.h>
11
12#ifndef __ASSEMBLY__
13
14struct adi_caps {
15	__u64 blksz;
16	__u64 nbits;
17	__u64 ue_on_adi;
18};
19
20struct adi_config {
21	bool enabled;
22	struct adi_caps caps;
23};
24
25extern struct adi_config adi_state;
26
27extern void mdesc_adi_init(void);
28
29static inline bool adi_capable(void)
30{
31	return adi_state.enabled;
32}
33
34static inline unsigned long adi_blksize(void)
35{
36	return adi_state.caps.blksz;
37}
38
39static inline unsigned long adi_nbits(void)
40{
41	return adi_state.caps.nbits;
42}
43
44#endif	/* __ASSEMBLY__ */
45
46#endif	/* !(__ASM_SPARC64_ADI_H) */