a1b77fd589
git grep -l 'u\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g" git grep -l 's\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g" Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
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* Copyright (c) 2020 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_MEMPOOL_SYS_H_
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/**
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* @defgroup mem_pool_apis Memory Pool APIs
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* @ingroup kernel_apis
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* @{
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*/
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/* Note on sizing: the use of a 20 bit field for block means that,
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* assuming a reasonable minimum block size of 16 bytes, we're limited
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* to 16M of memory managed by a single pool. Long term it would be
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* good to move to a variable bit size based on configuration.
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*/
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struct k_mem_block_id {
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uint32_t pool : 8;
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uint32_t level : 4;
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uint32_t block : 20;
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};
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struct k_mem_block {
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void *data;
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struct k_mem_block_id id;
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};
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/** @} */
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struct k_mem_pool {
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struct sys_mem_pool_base base;
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_wait_q_t wait_q;
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};
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#define Z_MEM_POOL_DEFINE(name, minsz, maxsz, nmax, align) \
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char __aligned(WB_UP(align)) _mpool_buf_##name[WB_UP(maxsz) * nmax \
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+ _MPOOL_BITS_SIZE(maxsz, minsz, nmax)]; \
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struct sys_mem_pool_lvl \
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_mpool_lvls_##name[Z_MPOOL_LVLS(maxsz, minsz)]; \
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Z_STRUCT_SECTION_ITERABLE(k_mem_pool, name) = { \
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.base = { \
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.buf = _mpool_buf_##name, \
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.max_sz = WB_UP(maxsz), \
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.n_max = nmax, \
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.n_levels = Z_MPOOL_LVLS(maxsz, minsz), \
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.levels = _mpool_lvls_##name, \
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.flags = SYS_MEM_POOL_KERNEL \
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} \
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}; \
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BUILD_ASSERT(WB_UP(maxsz) >= _MPOOL_MINBLK)
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#endif /* ZEPHYR_INCLUDE_MEMPOOL_SYS_H_ */
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