include/uapi/linux/arm_sdei.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /* Copyright (C) 2017 Arm Ltd. */
   3 #ifndef _UAPI_LINUX_ARM_SDEI_H
   4 #define _UAPI_LINUX_ARM_SDEI_H
   5
   6 #define SDEI_1_0_FN_BASE                        0xC4000020
   7 #define SDEI_1_0_MASK                           0xFFFFFFE0
   8 #define SDEI_1_0_FN(n)                          (SDEI_1_0_FN_BASE + (n))
   9
  10 #define SDEI_1_0_FN_SDEI_VERSION                        SDEI_1_0_FN(0x00)
  11 #define SDEI_1_0_FN_SDEI_EVENT_REGISTER                 SDEI_1_0_FN(0x01)
  12 #define SDEI_1_0_FN_SDEI_EVENT_ENABLE                   SDEI_1_0_FN(0x02)
  13 #define SDEI_1_0_FN_SDEI_EVENT_DISABLE                  SDEI_1_0_FN(0x03)
  14 #define SDEI_1_0_FN_SDEI_EVENT_CONTEXT                  SDEI_1_0_FN(0x04)
  15 #define SDEI_1_0_FN_SDEI_EVENT_COMPLETE                 SDEI_1_0_FN(0x05)
  16 #define SDEI_1_0_FN_SDEI_EVENT_COMPLETE_AND_RESUME      SDEI_1_0_FN(0x06)
  17 #define SDEI_1_0_FN_SDEI_EVENT_UNREGISTER               SDEI_1_0_FN(0x07)
  18 #define SDEI_1_0_FN_SDEI_EVENT_STATUS                   SDEI_1_0_FN(0x08)
  19 #define SDEI_1_0_FN_SDEI_EVENT_GET_INFO                 SDEI_1_0_FN(0x09)
  20 #define SDEI_1_0_FN_SDEI_EVENT_ROUTING_SET              SDEI_1_0_FN(0x0A)
  21 #define SDEI_1_0_FN_SDEI_PE_MASK                        SDEI_1_0_FN(0x0B)
  22 #define SDEI_1_0_FN_SDEI_PE_UNMASK                      SDEI_1_0_FN(0x0C)
  23 #define SDEI_1_0_FN_SDEI_INTERRUPT_BIND                 SDEI_1_0_FN(0x0D)
  24 #define SDEI_1_0_FN_SDEI_INTERRUPT_RELEASE              SDEI_1_0_FN(0x0E)
  25 #define SDEI_1_0_FN_SDEI_PRIVATE_RESET                  SDEI_1_0_FN(0x11)
  26 #define SDEI_1_0_FN_SDEI_SHARED_RESET                   SDEI_1_0_FN(0x12)
  27
  28 #define SDEI_VERSION_MAJOR_SHIFT                        48
  29 #define SDEI_VERSION_MAJOR_MASK                         0x7fff
  30 #define SDEI_VERSION_MINOR_SHIFT                        32
  31 #define SDEI_VERSION_MINOR_MASK                         0xffff
  32 #define SDEI_VERSION_VENDOR_SHIFT                       0
  33 #define SDEI_VERSION_VENDOR_MASK                        0xffffffff
  34
  35 #define SDEI_VERSION_MAJOR(x)   (x>>SDEI_VERSION_MAJOR_SHIFT & SDEI_VERSION_MAJOR_MASK)
  36 #define SDEI_VERSION_MINOR(x)   (x>>SDEI_VERSION_MINOR_SHIFT & SDEI_VERSION_MINOR_MASK)
  37 #define SDEI_VERSION_VENDOR(x)  (x>>SDEI_VERSION_VENDOR_SHIFT & SDEI_VERSION_VENDOR_MASK)
  38
  39 /* SDEI return values */
  40 #define SDEI_SUCCESS            0
  41 #define SDEI_NOT_SUPPORTED      -1
  42 #define SDEI_INVALID_PARAMETERS -2
  43 #define SDEI_DENIED             -3
  44 #define SDEI_PENDING            -5
  45 #define SDEI_OUT_OF_RESOURCE    -10
  46
  47 /* EVENT_REGISTER flags */
  48 #define SDEI_EVENT_REGISTER_RM_ANY      0
  49 #define SDEI_EVENT_REGISTER_RM_PE       1
  50
  51 /* EVENT_STATUS return value bits */
  52 #define SDEI_EVENT_STATUS_RUNNING       2
  53 #define SDEI_EVENT_STATUS_ENABLED       1
  54 #define SDEI_EVENT_STATUS_REGISTERED    0
  55
  56 /* EVENT_COMPLETE status values */
  57 #define SDEI_EV_HANDLED 0
  58 #define SDEI_EV_FAILED  1
  59
  60 /* GET_INFO values */
  61 #define SDEI_EVENT_INFO_EV_TYPE                 0
  62 #define SDEI_EVENT_INFO_EV_SIGNALED             1
  63 #define SDEI_EVENT_INFO_EV_PRIORITY             2
  64 #define SDEI_EVENT_INFO_EV_ROUTING_MODE         3
  65 #define SDEI_EVENT_INFO_EV_ROUTING_AFF          4
  66
  67 /* and their results */
  68 #define SDEI_EVENT_TYPE_PRIVATE                 0
  69 #define SDEI_EVENT_TYPE_SHARED                  1
  70 #define SDEI_EVENT_PRIORITY_NORMAL              0
  71 #define SDEI_EVENT_PRIORITY_CRITICAL            1
  72
  73 #endif /* _UAPI_LINUX_ARM_SDEI_H */