diff options
Diffstat (limited to 'include/ethosu_driver.h')
| -rw-r--r-- | include/ethosu_driver.h | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/include/ethosu_driver.h b/include/ethosu_driver.h index 9c9f173..e2d3f5b 100644 --- a/include/ethosu_driver.h +++ b/include/ethosu_driver.h @@ -1,6 +1,5 @@ /* - * SPDX-FileCopyrightText: Copyright 2019-2023 Arm Limited and/or its affiliates <open-source-office@arm.com> - * + * SPDX-FileCopyrightText: Copyright 2019-2024 Arm Limited and/or its affiliates <open-source-office@arm.com> * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may @@ -41,6 +40,12 @@ extern "C" { #define ETHOSU_DRIVER_VERSION_MINOR 16 ///< Driver minor version #define ETHOSU_DRIVER_VERSION_PATCH 0 ///< Driver patch version +#define ETHOSU_SEMAPHORE_WAIT_FOREVER (UINT64_MAX) + +#ifndef ETHOSU_SEMAPHORE_WAIT_INFERENCE +#define ETHOSU_SEMAPHORE_WAIT_INFERENCE ETHOSU_SEMAPHORE_WAIT_FOREVER +#endif + /****************************************************************************** * Types ******************************************************************************/ @@ -55,9 +60,17 @@ enum ethosu_job_state ETHOSU_JOB_DONE }; +enum ethosu_job_result +{ + ETHOSU_JOB_RESULT_OK = 0, + ETHOSU_JOB_RESULT_TIMEOUT, + ETHOSU_JOB_RESULT_ERROR +}; + struct ethosu_job { volatile enum ethosu_job_state state; + volatile enum ethosu_job_result result; const void *custom_data_ptr; int custom_data_size; const uint64_t *base_addr; @@ -75,7 +88,6 @@ struct ethosu_driver uint64_t fast_memory; size_t fast_memory_size; uint32_t power_request_counter; - bool status_error; bool reserved; }; @@ -134,6 +146,13 @@ void ethosu_invalidate_dcache(uint32_t *p, size_t bytes); void *ethosu_mutex_create(void); /** + * Destroy mutex. + * + * @param mutex Pointer to mutex handle + */ +void ethosu_mutex_destroy(void *mutex); + +/** * Minimal sempahore implementation for baremetal applications. See * ethosu_driver.c. * @@ -142,6 +161,13 @@ void *ethosu_mutex_create(void); void *ethosu_semaphore_create(void); /** + * Destroy semaphore. + * + * @param sem Pointer to semaphore handle + */ +void ethosu_semaphore_destroy(void *sem); + +/** * Lock mutex. * * @param mutex Pointer to mutex handle @@ -161,9 +187,10 @@ int ethosu_mutex_unlock(void *mutex); * Take semaphore. * * @param sem Pointer to semaphore handle - * @returns 0 on success, else negative error code + * @param timeout Timeout value (unit impl. defined) + * @returns 0 on success else negative error code */ -int ethosu_semaphore_take(void *sem); +int ethosu_semaphore_take(void *sem, uint64_t timeout); /** * Give semaphore. |