/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* Copyright (C) 2017 Arm Ltd. */
#ifndef _UAPI_LINUX_ARM_SDEI_H
#define _UAPI_LINUX_ARM_SDEI_H

#define SDEI_1_0_FN_BASE                        0xC4000020
#define SDEI_1_0_MASK                           0xFFFFFFE0
#define SDEI_1_0_FN(n)                          (SDEI_1_0_FN_BASE + (n))

#define SDEI_1_0_FN_SDEI_VERSION                        SDEI_1_0_FN(0x00)
#define SDEI_1_0_FN_SDEI_EVENT_REGISTER                 SDEI_1_0_FN(0x01)
#define SDEI_1_0_FN_SDEI_EVENT_ENABLE                   SDEI_1_0_FN(0x02)
#define SDEI_1_0_FN_SDEI_EVENT_DISABLE                  SDEI_1_0_FN(0x03)
#define SDEI_1_0_FN_SDEI_EVENT_CONTEXT                  SDEI_1_0_FN(0x04)
#define SDEI_1_0_FN_SDEI_EVENT_COMPLETE                 SDEI_1_0_FN(0x05)
#define SDEI_1_0_FN_SDEI_EVENT_COMPLETE_AND_RESUME      SDEI_1_0_FN(0x06)
#define SDEI_1_0_FN_SDEI_EVENT_UNREGISTER               SDEI_1_0_FN(0x07)
#define SDEI_1_0_FN_SDEI_EVENT_STATUS                   SDEI_1_0_FN(0x08)
#define SDEI_1_0_FN_SDEI_EVENT_GET_INFO                 SDEI_1_0_FN(0x09)
#define SDEI_1_0_FN_SDEI_EVENT_ROUTING_SET              SDEI_1_0_FN(0x0A)
#define SDEI_1_0_FN_SDEI_PE_MASK                        SDEI_1_0_FN(0x0B)
#define SDEI_1_0_FN_SDEI_PE_UNMASK                      SDEI_1_0_FN(0x0C)
#define SDEI_1_0_FN_SDEI_INTERRUPT_BIND                 SDEI_1_0_FN(0x0D)
#define SDEI_1_0_FN_SDEI_INTERRUPT_RELEASE              SDEI_1_0_FN(0x0E)
#define SDEI_1_0_FN_SDEI_PRIVATE_RESET                  SDEI_1_0_FN(0x11)
#define SDEI_1_0_FN_SDEI_SHARED_RESET                   SDEI_1_0_FN(0x12)

#define SDEI_VERSION_MAJOR_SHIFT                        48
#define SDEI_VERSION_MAJOR_MASK                         0x7fff
#define SDEI_VERSION_MINOR_SHIFT                        32
#define SDEI_VERSION_MINOR_MASK                         0xffff
#define SDEI_VERSION_VENDOR_SHIFT                       0
#define SDEI_VERSION_VENDOR_MASK                        0xffffffff

#define SDEI_VERSION_MAJOR(x)   (x>>SDEI_VERSION_MAJOR_SHIFT & SDEI_VERSION_MAJOR_MASK)
#define SDEI_VERSION_MINOR(x)   (x>>SDEI_VERSION_MINOR_SHIFT & SDEI_VERSION_MINOR_MASK)
#define SDEI_VERSION_VENDOR(x)  (x>>SDEI_VERSION_VENDOR_SHIFT & SDEI_VERSION_VENDOR_MASK)

/* SDEI return values */
#define SDEI_SUCCESS            0
#define SDEI_NOT_SUPPORTED      -1
#define SDEI_INVALID_PARAMETERS -2
#define SDEI_DENIED             -3
#define SDEI_PENDING            -5
#define SDEI_OUT_OF_RESOURCE    -10

/* EVENT_REGISTER flags */
#define SDEI_EVENT_REGISTER_RM_ANY      0
#define SDEI_EVENT_REGISTER_RM_PE       1

/* EVENT_STATUS return value bits */
#define SDEI_EVENT_STATUS_RUNNING       2
#define SDEI_EVENT_STATUS_ENABLED       1
#define SDEI_EVENT_STATUS_REGISTERED    0

/* EVENT_COMPLETE status values */
#define SDEI_EV_HANDLED 0
#define SDEI_EV_FAILED  1

/* GET_INFO values */
#define SDEI_EVENT_INFO_EV_TYPE                 0
#define SDEI_EVENT_INFO_EV_SIGNALED             1
#define SDEI_EVENT_INFO_EV_PRIORITY             2
#define SDEI_EVENT_INFO_EV_ROUTING_MODE         3
#define SDEI_EVENT_INFO_EV_ROUTING_AFF          4

/* and their results */
#define SDEI_EVENT_TYPE_PRIVATE                 0
#define SDEI_EVENT_TYPE_SHARED                  1
#define SDEI_EVENT_PRIORITY_NORMAL              0
#define SDEI_EVENT_PRIORITY_CRITICAL            1

#endif /* _UAPI_LINUX_ARM_SDEI_H */