arch/sparc/include/asm/adi_64.h

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