| Sandrine Bailleux | 3cd87d7 | 2018-10-09 11:12:55 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef __SDEI_H__ |
| 8 | #define __SDEI_H__ |
| 9 | |
| 10 | #define SDEI_VERSION 0xC4000020 |
| 11 | #define SDEI_EVENT_REGISTER 0xC4000021 |
| 12 | #define SDEI_EVENT_ENABLE 0xC4000022 |
| 13 | #define SDEI_EVENT_DISABLE 0xC4000023 |
| 14 | #define SDEI_EVENT_CONTEXT 0xC4000024 |
| 15 | #define SDEI_EVENT_COMPLETE 0xC4000025 |
| 16 | #define SDEI_EVENT_COMPLETE_AND_RESUME 0xC4000026 |
| 17 | |
| 18 | #define SDEI_EVENT_UNREGISTER 0xC4000027 |
| 19 | #define SDEI_EVENT_STATUS 0xC4000028 |
| 20 | #define SDEI_EVENT_GET_INFO 0xC4000029 |
| 21 | #define SDEI_EVENT_ROUTING_SET 0xC400002A |
| 22 | #define SDEI_PE_MASK 0xC400002B |
| 23 | #define SDEI_PE_UNMASK 0xC400002C |
| 24 | |
| 25 | #define SDEI_INTERRUPT_BIND 0xC400002D |
| 26 | #define SDEI_INTERRUPT_RELEASE 0xC400002E |
| 27 | #define SDEI_EVENT_SIGNAL 0xC400002F |
| 28 | #define SDEI_FEATURES 0xC4000030 |
| 29 | #define SDEI_PRIVATE_RESET 0xC4000031 |
| 30 | #define SDEI_SHARED_RESET 0xC4000032 |
| 31 | |
| 32 | /* For debug */ |
| 33 | #define SDEI_SHOW_DEBUG 0xC400003F |
| 34 | |
| 35 | /* SDEI_EVENT_REGISTER flags */ |
| 36 | #define SDEI_REGF_RM_ANY 0 |
| 37 | #define SDEI_REGF_RM_PE 1 |
| 38 | |
| 39 | /* SDEI_EVENT_COMPLETE status flags */ |
| 40 | #define SDEI_EV_HANDLED 0 |
| 41 | #define SDEI_EV_FAILED 1 |
| 42 | |
| 43 | /* sde event status values in bit position */ |
| 44 | #define SDEI_STATF_REGISTERED 0 |
| 45 | #define SDEI_STATF_ENABLED 1 |
| 46 | #define SDEI_STATF_RUNNING 2 |
| 47 | |
| 48 | #define SDEI_INFOF_TYPE 0 |
| 49 | #define SDEI_INFOF_SIGNALABLE 1 |
| 50 | #define SDEI_INFOF_ROUTING_MODE 2 |
| 51 | #define SDEI_INFOF_ROUTING_AFF 3 |
| 52 | |
| 53 | #define SMC_EINVAL 2 |
| 54 | #define SMC_EDENY 3 |
| 55 | #define SMC_EPEND 5 |
| 56 | #define SMC_ENOMEM 10 |
| 57 | |
| 58 | #define MAKE_SDEI_VERSION(_major, _minor, _vendor) \ |
| 59 | (((uint64_t)(_major)) << 48 | \ |
| 60 | ((uint64_t)(_minor)) << 32 | \ |
| 61 | (_vendor)) |
| 62 | |
| 63 | #ifndef __ASSEMBLY__ |
| 64 | #include <stdint.h> |
| 65 | |
| 66 | struct sdei_intr_ctx { |
| 67 | unsigned int priority; |
| 68 | unsigned int num; |
| 69 | unsigned int enabled; |
| 70 | }; |
| 71 | |
| 72 | typedef int sdei_handler_t(int ev, uint64_t arg); |
| 73 | |
| 74 | void sdei_trigger_event(void); |
| 75 | void sdei_handler_done(void); |
| 76 | |
| 77 | int64_t sdei_version(void); |
| 78 | int64_t sdei_interrupt_bind(int intr, struct sdei_intr_ctx *intr_ctx); |
| 79 | int64_t sdei_interrupt_release(int intr, const struct sdei_intr_ctx *intr_ctx); |
| 80 | int64_t sdei_event_register(int ev, sdei_handler_t *ep, |
| 81 | uint64_t ep_arg, int flags, uint64_t mpidr); |
| 82 | int64_t sdei_event_unregister(int ev); |
| 83 | int64_t sdei_event_enable(int ev); |
| 84 | int64_t sdei_event_disable(int ev); |
| 85 | int64_t sdei_pe_mask(void); |
| 86 | int64_t sdei_pe_unmask(void); |
| 87 | int64_t sdei_private_reset(void); |
| 88 | int64_t sdei_shared_reset(void); |
| 89 | int64_t sdei_event_signal(uint64_t mpidr); |
| 90 | int64_t sdei_event_status(int32_t ev); |
| 91 | int64_t sdei_event_routing_set(int32_t ev, uint64_t flags); |
| 92 | int64_t sdei_event_context(uint32_t param); |
| 93 | int64_t sdei_event_complete(uint32_t flags); |
| 94 | int64_t sdei_event_complete_and_resume(uint64_t addr); |
| 95 | #endif /* __ASSEMBLY__ */ |
| 96 | |
| 97 | #endif /* __SDEI_H__ */ |