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