blob: 8b3a89bce43ab33ab18e3375e742e81cd9828810 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Marvell International Ltd.
*
* Helper functions for FPA setup.
*/
#ifndef __CVMX_HELPER_H_FPA__
#define __CVMX_HELPER_H_FPA__
/**
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Sizes of each element in the pools is
* controlled by the cvmx-config.h header file. Specifying
* zero for any parameter will cause that FPA pool to not be
* setup. This is useful if you aren't using some of the
* hardware and want to save memory.
*
* @param packet_buffers
* Number of packet buffers to allocate
* @param work_queue_entries
* Number of work queue entries
* @param pko_buffers
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @param tim_buffers
* TIM ring buffer command queues. At least two per timer bucket
* is recommended.
* @param dfa_buffers
* DFA command buffer. A relatively small (32 for example)
* number should work.
* @return Zero on success, non-zero if out of memory
*/
int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, int pko_buffers,
int tim_buffers, int dfa_buffers);
int __cvmx_helper_initialize_fpa_pool(int pool, u64 buffer_size, u64 buffers, const char *name);
int cvmx_helper_shutdown_fpa_pools(int node);
void cvmx_helper_fpa_dump(int node);
#endif /* __CVMX_HELPER_H__ */
|
