arch/sparc/include/asm/adi_64.h

   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
  14 struct adi_caps {
  15         __u64 blksz;
  16         __u64 nbits;
  17         __u64 ue_on_adi;
  18 };
  19
  20 struct adi_config {
  21         bool enabled;
  22         struct adi_caps caps;
  23 };
  24
  25 extern struct adi_config adi_state;
  26
  27 extern void mdesc_adi_init(void);
  28
  29 static inline bool adi_capable(void)
  30 {
  31         return adi_state.enabled;
  32 }
  33
  34 static inline unsigned long adi_blksize(void)
  35 {
  36         return adi_state.caps.blksz;
  37 }
  38
  39 static 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) */