uapi/linux/arm_sdei.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 /* Copyright (C) 2017 Arm Ltd. */
0003 #ifndef _UAPI_LINUX_ARM_SDEI_H
0004 #define _UAPI_LINUX_ARM_SDEI_H
0005
0006 #define SDEI_1_0_FN_BASE            0xC4000020
0007 #define SDEI_1_0_MASK               0xFFFFFFE0
0008 #define SDEI_1_0_FN(n)              (SDEI_1_0_FN_BASE + (n))
0009
0010 #define SDEI_1_0_FN_SDEI_VERSION            SDEI_1_0_FN(0x00)
0011 #define SDEI_1_0_FN_SDEI_EVENT_REGISTER         SDEI_1_0_FN(0x01)
0012 #define SDEI_1_0_FN_SDEI_EVENT_ENABLE           SDEI_1_0_FN(0x02)
0013 #define SDEI_1_0_FN_SDEI_EVENT_DISABLE          SDEI_1_0_FN(0x03)
0014 #define SDEI_1_0_FN_SDEI_EVENT_CONTEXT          SDEI_1_0_FN(0x04)
0015 #define SDEI_1_0_FN_SDEI_EVENT_COMPLETE         SDEI_1_0_FN(0x05)
0016 #define SDEI_1_0_FN_SDEI_EVENT_COMPLETE_AND_RESUME  SDEI_1_0_FN(0x06)
0017 #define SDEI_1_0_FN_SDEI_EVENT_UNREGISTER       SDEI_1_0_FN(0x07)
0018 #define SDEI_1_0_FN_SDEI_EVENT_STATUS           SDEI_1_0_FN(0x08)
0019 #define SDEI_1_0_FN_SDEI_EVENT_GET_INFO         SDEI_1_0_FN(0x09)
0020 #define SDEI_1_0_FN_SDEI_EVENT_ROUTING_SET      SDEI_1_0_FN(0x0A)
0021 #define SDEI_1_0_FN_SDEI_PE_MASK            SDEI_1_0_FN(0x0B)
0022 #define SDEI_1_0_FN_SDEI_PE_UNMASK          SDEI_1_0_FN(0x0C)
0023 #define SDEI_1_0_FN_SDEI_INTERRUPT_BIND         SDEI_1_0_FN(0x0D)
0024 #define SDEI_1_0_FN_SDEI_INTERRUPT_RELEASE      SDEI_1_0_FN(0x0E)
0025 #define SDEI_1_0_FN_SDEI_PRIVATE_RESET          SDEI_1_0_FN(0x11)
0026 #define SDEI_1_0_FN_SDEI_SHARED_RESET           SDEI_1_0_FN(0x12)
0027
0028 #define SDEI_VERSION_MAJOR_SHIFT            48
0029 #define SDEI_VERSION_MAJOR_MASK             0x7fff
0030 #define SDEI_VERSION_MINOR_SHIFT            32
0031 #define SDEI_VERSION_MINOR_MASK             0xffff
0032 #define SDEI_VERSION_VENDOR_SHIFT           0
0033 #define SDEI_VERSION_VENDOR_MASK            0xffffffff
0034
0035 #define SDEI_VERSION_MAJOR(x)   (x>>SDEI_VERSION_MAJOR_SHIFT & SDEI_VERSION_MAJOR_MASK)
0036 #define SDEI_VERSION_MINOR(x)   (x>>SDEI_VERSION_MINOR_SHIFT & SDEI_VERSION_MINOR_MASK)
0037 #define SDEI_VERSION_VENDOR(x)  (x>>SDEI_VERSION_VENDOR_SHIFT & SDEI_VERSION_VENDOR_MASK)
0038
0039 /* SDEI return values */
0040 #define SDEI_SUCCESS        0
0041 #define SDEI_NOT_SUPPORTED  -1
0042 #define SDEI_INVALID_PARAMETERS -2
0043 #define SDEI_DENIED     -3
0044 #define SDEI_PENDING        -5
0045 #define SDEI_OUT_OF_RESOURCE    -10
0046
0047 /* EVENT_REGISTER flags */
0048 #define SDEI_EVENT_REGISTER_RM_ANY  0
0049 #define SDEI_EVENT_REGISTER_RM_PE   1
0050
0051 /* EVENT_STATUS return value bits */
0052 #define SDEI_EVENT_STATUS_RUNNING   2
0053 #define SDEI_EVENT_STATUS_ENABLED   1
0054 #define SDEI_EVENT_STATUS_REGISTERED    0
0055
0056 /* EVENT_COMPLETE status values */
0057 #define SDEI_EV_HANDLED 0
0058 #define SDEI_EV_FAILED  1
0059
0060 /* GET_INFO values */
0061 #define SDEI_EVENT_INFO_EV_TYPE         0
0062 #define SDEI_EVENT_INFO_EV_SIGNALED     1
0063 #define SDEI_EVENT_INFO_EV_PRIORITY     2
0064 #define SDEI_EVENT_INFO_EV_ROUTING_MODE     3
0065 #define SDEI_EVENT_INFO_EV_ROUTING_AFF      4
0066
0067 /* and their results */
0068 #define SDEI_EVENT_TYPE_PRIVATE         0
0069 #define SDEI_EVENT_TYPE_SHARED          1
0070 #define SDEI_EVENT_PRIORITY_NORMAL      0
0071 #define SDEI_EVENT_PRIORITY_CRITICAL        1
0072
0073 #endif /* _UAPI_LINUX_ARM_SDEI_H */