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https://github.com/AsahiLinux/u-boot
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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Marvell International Ltd.
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*
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* Helper functions for FPA setup.
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*/
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#ifndef __CVMX_HELPER_H_FPA__
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#define __CVMX_HELPER_H_FPA__
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/**
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* Allocate memory and initialize the FPA pools using memory
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* from cvmx-bootmem. Sizes of each element in the pools is
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* controlled by the cvmx-config.h header file. Specifying
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* zero for any parameter will cause that FPA pool to not be
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* setup. This is useful if you aren't using some of the
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* hardware and want to save memory.
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*
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* @param packet_buffers
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* Number of packet buffers to allocate
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* @param work_queue_entries
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* Number of work queue entries
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* @param pko_buffers
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* PKO Command buffers. You should at minimum have two per
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* each PKO queue.
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* @param tim_buffers
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* TIM ring buffer command queues. At least two per timer bucket
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* is recommended.
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* @param dfa_buffers
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* DFA command buffer. A relatively small (32 for example)
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* number should work.
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* @return Zero on success, non-zero if out of memory
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*/
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int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, int pko_buffers,
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int tim_buffers, int dfa_buffers);
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int __cvmx_helper_initialize_fpa_pool(int pool, u64 buffer_size, u64 buffers, const char *name);
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int cvmx_helper_shutdown_fpa_pools(int node);
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void cvmx_helper_fpa_dump(int node);
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#endif /* __CVMX_HELPER_H__ */
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