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