include/linux/papr_scm.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #ifndef __LINUX_PAPR_SCM_H
   3 #define __LINUX_PAPR_SCM_H
   4
   5 /* DIMM health bitmap indicators */
   6 /* SCM device is unable to persist memory contents */
   7 #define PAPR_PMEM_UNARMED                   (1ULL << (63 - 0))
   8 /* SCM device failed to persist memory contents */
   9 #define PAPR_PMEM_SHUTDOWN_DIRTY            (1ULL << (63 - 1))
  10 /* SCM device contents are persisted from previous IPL */
  11 #define PAPR_PMEM_SHUTDOWN_CLEAN            (1ULL << (63 - 2))
  12 /* SCM device contents are not persisted from previous IPL */
  13 #define PAPR_PMEM_EMPTY                     (1ULL << (63 - 3))
  14 /* SCM device memory life remaining is critically low */
  15 #define PAPR_PMEM_HEALTH_CRITICAL           (1ULL << (63 - 4))
  16 /* SCM device will be garded off next IPL due to failure */
  17 #define PAPR_PMEM_HEALTH_FATAL              (1ULL << (63 - 5))
  18 /* SCM contents cannot persist due to current platform health status */
  19 #define PAPR_PMEM_HEALTH_UNHEALTHY          (1ULL << (63 - 6))
  20 /* SCM device is unable to persist memory contents in certain conditions */
  21 #define PAPR_PMEM_HEALTH_NON_CRITICAL       (1ULL << (63 - 7))
  22 /* SCM device is encrypted */
  23 #define PAPR_PMEM_ENCRYPTED                 (1ULL << (63 - 8))
  24 /* SCM device has been scrubbed and locked */
  25 #define PAPR_PMEM_SCRUBBED_AND_LOCKED       (1ULL << (63 - 9))
  26
  27 #define PAPR_PMEM_SAVE_FAILED               (1ULL << (63 - 10))
  28
  29 /* Bits status indicators for health bitmap indicating unarmed dimm */
  30 #define PAPR_PMEM_UNARMED_MASK (PAPR_PMEM_UNARMED |            \
  31                                 PAPR_PMEM_HEALTH_UNHEALTHY)
  32
  33 /* Bits status indicators for health bitmap indicating unflushed dimm */
  34 #define PAPR_PMEM_BAD_SHUTDOWN_MASK (PAPR_PMEM_SHUTDOWN_DIRTY)
  35
  36 /* Bits status indicators for health bitmap indicating unrestored dimm */
  37 #define PAPR_PMEM_BAD_RESTORE_MASK  (PAPR_PMEM_EMPTY)
  38
  39 /* Bit status indicators for smart event notification */
  40 #define PAPR_PMEM_SMART_EVENT_MASK (PAPR_PMEM_HEALTH_CRITICAL | \
  41                                         PAPR_PMEM_HEALTH_FATAL | \
  42                                         PAPR_PMEM_HEALTH_UNHEALTHY)
  43
  44 #define PAPR_PMEM_SAVE_MASK                (PAPR_PMEM_SAVE_FAILED)
  45
  46 #define PAPR_SCM_PERF_STATS_EYECATCHER __stringify(SCMSTATS)
  47 #define PAPR_SCM_PERF_STATS_VERSION 0x1
  48
  49 #endif /* __LINUX_PAPR_SCM_H */