diff options
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-helper-fpa.h')
-rw-r--r-- | arch/mips/include/asm/octeon/cvmx-helper-fpa.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-fpa.h b/arch/mips/include/asm/octeon/cvmx-helper-fpa.h new file mode 100644 index 00000000000..5ff8c93198d --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-helper-fpa.h @@ -0,0 +1,64 @@ +/***********************license start*************** + * Author: Cavium Networks + * + * Contact: support@caviumnetworks.com + * This file is part of the OCTEON SDK + * + * Copyright (c) 2003-2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, but + * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or + * NONINFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * or visit http://www.gnu.org/licenses/. + * + * This file may also be available under a different license from Cavium. + * Contact Cavium Networks for more information + ***********************license end**************************************/ + +/** + * @file + * + * 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. + * + * @packet_buffers: + * Number of packet buffers to allocate + * @work_queue_entries: + * Number of work queue entries + * @pko_buffers: + * PKO Command buffers. You should at minimum have two per + * each PKO queue. + * @tim_buffers: + * TIM ring buffer command queues. At least two per timer bucket + * is recommened. + * @dfa_buffers: + * DFA command buffer. A relatively small (32 for example) + * number should work. + * Returns Zero on success, non-zero if out of memory + */ +extern int cvmx_helper_initialize_fpa(int packet_buffers, + int work_queue_entries, int pko_buffers, + int tim_buffers, int dfa_buffers); + +#endif /* __CVMX_HELPER_H__ */ |