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49 lines
1.3 KiB
49 lines
1.3 KiB
6 years ago
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/*
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* Copyright (c) 2018, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <errno.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "sprt_common.h"
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#include "sprt_queue.h"
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void sprt_initialize_queues(void *buffer_base, size_t buffer_size)
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{
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/* Initialize queue for blocking messages */
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void *blocking_base = buffer_base;
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uint32_t blocking_num = 4U;
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size_t blocking_size = SPRT_QUEUE_HEADER_SIZE +
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SPRT_QUEUE_ENTRY_MSG_SIZE * blocking_num;
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sprt_queue_init(blocking_base, blocking_num, SPRT_QUEUE_ENTRY_MSG_SIZE);
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/* Initialize queue for non-blocking messages */
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void *non_blocking_base = (void *)((uintptr_t)blocking_base + blocking_size);
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size_t non_blocking_size = buffer_size - blocking_size;
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uint32_t non_blocking_num = (non_blocking_size - SPRT_QUEUE_HEADER_SIZE) /
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SPRT_QUEUE_ENTRY_MSG_SIZE;
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sprt_queue_init(non_blocking_base, non_blocking_num, SPRT_QUEUE_ENTRY_MSG_SIZE);
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}
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int sprt_push_message(void *buffer_base,
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const struct sprt_queue_entry_message *message,
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int queue_num)
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{
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struct sprt_queue *q = buffer_base;
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while (queue_num-- > 0) {
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uintptr_t next_addr = (uintptr_t)q + sizeof(struct sprt_queue) +
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q->entry_num * q->entry_size;
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q = (struct sprt_queue *) next_addr;
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}
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return sprt_queue_push(q, message);
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}
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