linux-headers (unknown)
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 */
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