diff options
Diffstat (limited to 'lib/sprt/sprt_queue.h')
-rw-r--r-- | lib/sprt/sprt_queue.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/sprt/sprt_queue.h b/lib/sprt/sprt_queue.h deleted file mode 100644 index 4ea1bc231..000000000 --- a/lib/sprt/sprt_queue.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (c) 2018, Arm Limited. All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#ifndef SPRT_QUEUE_H -#define SPRT_QUEUE_H - -#include <stdint.h> - -/* Struct that defines a queue. Not to be used directly. */ -struct __attribute__((__packed__)) sprt_queue { - uint32_t entry_num; /* Number of entries */ - uint32_t entry_size; /* Size of an entry */ - uint32_t idx_write; /* Index of first empty entry */ - uint32_t idx_read; /* Index of first entry to read */ - uint8_t data[0]; /* Start of data */ -}; - -#define SPRT_QUEUE_HEADER_SIZE (sizeof(struct sprt_queue)) - -/* - * Initializes a memory region to be used as a queue of the given number of - * entries with the specified size. - */ -void sprt_queue_init(void *queue_base, uint32_t entry_num, uint32_t entry_size); - -/* Returns 1 if the queue is empty, 0 otherwise */ -int sprt_queue_is_empty(void *queue_base); - -/* Returns 1 if the queue is full, 0 otherwise */ -int sprt_queue_is_full(void *queue_base); - -/* - * Pushes a new entry intro the queue. Returns 0 on success, -ENOMEM if the - * queue is full. - */ -int sprt_queue_push(void *queue_base, const void *entry); - -/* - * Pops an entry from the queue. Returns 0 on success, -ENOENT if the queue is - * empty. - */ -int sprt_queue_pop(void *queue_base, void *entry); - -#endif /* SPRT_QUEUE_H */ |