diff options
Diffstat (limited to 'include/runtime_services/sdei.h')
-rw-r--r-- | include/runtime_services/sdei.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/runtime_services/sdei.h b/include/runtime_services/sdei.h new file mode 100644 index 000000000..0e0a24990 --- /dev/null +++ b/include/runtime_services/sdei.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __SDEI_H__ +#define __SDEI_H__ + +#define SDEI_VERSION 0xC4000020 +#define SDEI_EVENT_REGISTER 0xC4000021 +#define SDEI_EVENT_ENABLE 0xC4000022 +#define SDEI_EVENT_DISABLE 0xC4000023 +#define SDEI_EVENT_CONTEXT 0xC4000024 +#define SDEI_EVENT_COMPLETE 0xC4000025 +#define SDEI_EVENT_COMPLETE_AND_RESUME 0xC4000026 + +#define SDEI_EVENT_UNREGISTER 0xC4000027 +#define SDEI_EVENT_STATUS 0xC4000028 +#define SDEI_EVENT_GET_INFO 0xC4000029 +#define SDEI_EVENT_ROUTING_SET 0xC400002A +#define SDEI_PE_MASK 0xC400002B +#define SDEI_PE_UNMASK 0xC400002C + +#define SDEI_INTERRUPT_BIND 0xC400002D +#define SDEI_INTERRUPT_RELEASE 0xC400002E +#define SDEI_EVENT_SIGNAL 0xC400002F +#define SDEI_FEATURES 0xC4000030 +#define SDEI_PRIVATE_RESET 0xC4000031 +#define SDEI_SHARED_RESET 0xC4000032 + +/* For debug */ +#define SDEI_SHOW_DEBUG 0xC400003F + +/* SDEI_EVENT_REGISTER flags */ +#define SDEI_REGF_RM_ANY 0 +#define SDEI_REGF_RM_PE 1 + +/* SDEI_EVENT_COMPLETE status flags */ +#define SDEI_EV_HANDLED 0 +#define SDEI_EV_FAILED 1 + +/* sde event status values in bit position */ +#define SDEI_STATF_REGISTERED 0 +#define SDEI_STATF_ENABLED 1 +#define SDEI_STATF_RUNNING 2 + +#define SDEI_INFOF_TYPE 0 +#define SDEI_INFOF_SIGNALABLE 1 +#define SDEI_INFOF_ROUTING_MODE 2 +#define SDEI_INFOF_ROUTING_AFF 3 + +#define SMC_EINVAL 2 +#define SMC_EDENY 3 +#define SMC_EPEND 5 +#define SMC_ENOMEM 10 + +#define MAKE_SDEI_VERSION(_major, _minor, _vendor) \ + (((uint64_t)(_major)) << 48 | \ + ((uint64_t)(_minor)) << 32 | \ + (_vendor)) + +#ifndef __ASSEMBLY__ +#include <stdint.h> + +struct sdei_intr_ctx { + unsigned int priority; + unsigned int num; + unsigned int enabled; +}; + +typedef int sdei_handler_t(int ev, uint64_t arg); + +void sdei_trigger_event(void); +void sdei_handler_done(void); + +int64_t sdei_version(void); +int64_t sdei_interrupt_bind(int intr, struct sdei_intr_ctx *intr_ctx); +int64_t sdei_interrupt_release(int intr, const struct sdei_intr_ctx *intr_ctx); +int64_t sdei_event_register(int ev, sdei_handler_t *ep, + uint64_t ep_arg, int flags, uint64_t mpidr); +int64_t sdei_event_unregister(int ev); +int64_t sdei_event_enable(int ev); +int64_t sdei_event_disable(int ev); +int64_t sdei_pe_mask(void); +int64_t sdei_pe_unmask(void); +int64_t sdei_private_reset(void); +int64_t sdei_shared_reset(void); +int64_t sdei_event_signal(uint64_t mpidr); +int64_t sdei_event_status(int32_t ev); +int64_t sdei_event_routing_set(int32_t ev, uint64_t flags); +int64_t sdei_event_context(uint32_t param); +int64_t sdei_event_complete(uint32_t flags); +int64_t sdei_event_complete_and_resume(uint64_t addr); +#endif /* __ASSEMBLY__ */ + +#endif /* __SDEI_H__ */ |