Lines Matching +full:maximum +full:- +full:read

4  * SPDX-License-Identifier: Apache-2.0
35 /** @brief Size of the field which stores maximum utilization. */
38 /** @brief Offset of the field which stores maximum utilization. */
56 /** @brief Maximum packet length. */
74 	MAX(0, Z_SPSC_PBUF_DCACHE_LINE - (int)sizeof(struct spsc_pbuf_common))
97  * with read/write semantics on top of a memory region shared
125 	return pb->common.len - sizeof(uint32_t);  in spsc_pbuf_capacity()
159  *		-EINVAL, if len == 0.
160  *		-ENOMEM, if len is bigger than the buffer can fit.
189  * @retval non-negative Amount of space that got allocated. Can be equal or smaller than %p len.
190  * @retval -EINVAL if @p len is forbidden.
206  * @brief Read specified amount of data from the packet buffer.
208  * Single read allows to read the message send by the single write.
213  * @param pb		A buffer from which data will be read.
214  * @param buf		Data pointer to which read data will be written.
216  * @param len		Number of bytes to be read from the buffer.
217  * @retval int		Bytes read, negative error code on fail.
218  *			Bytes to be read, if buf == NULL.
219  *			-ENOMEM, if message can not fit in provided buf.
220  *			-EAGAIN, if not whole message is ready yet.
254  * @brief Get maximum utilization of the packet buffer.
261  * @retval -ENOTSUP	Feature not enabled.
262  * @retval non-negative	Maximum utilization.