438 lines
10 KiB
C
438 lines
10 KiB
C
/***********************license start***************
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* Copyright (c) 2011 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* Interface to the CN63XX, CN68XX hardware HFA engine.
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*
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* <hr>$Revision: 49448 $<hr>
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*/
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#ifndef __CVMX_HFA_H__
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#define __CVMX_HFA_H__
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#ifndef CVMX_BUILD_FOR_LINUX_USER
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#include "cvmx-llm.h"
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#include "cvmx-wqe.h"
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#include "cvmx-fpa.h"
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#include "cvmx-bootmem.h"
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#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
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#include <asm/octeon/cvmx.h>
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#include <asm/octeon/cvmx-config.h>
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#ifdef CVMX_ENABLE_DFA_FUNCTIONS
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/* DFA queue cmd buffers */
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#define CVMX_FPA_DFA_POOL (4) /**< DFA command buffers */
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#define CVMX_FPA_DFA_POOL_SIZE (2 * CVMX_CACHE_LINE_SIZE)
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#endif
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#else
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#include "executive-config.h"
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#ifdef CVMX_ENABLE_DFA_FUNCTIONS
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#include "cvmx-config.h"
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#endif
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#endif
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#endif
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#define ENABLE_DEPRECATED /* Set to enable the old 18/36 bit names */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CVMX_DFA_ITYPE_MEMLOAD 0x0
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#define CVMX_DFA_ITYPE_CACHELOAD 0x1
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#define CVMX_DFA_ITYPE_GRAPHFREE 0x3
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#define CVMX_DFA_ITYPE_GRAPHWALK 0x4
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typedef union {
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uint64_t u64;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t size:24;
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uint64_t addr:40;
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#else
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uint64_t addr:40;
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uint64_t size:24;
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#endif
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} s;
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} cvmx_dfa_gather_entry_t;
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typedef union {
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t f1:3;
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uint64_t unused1:2;
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uint64_t snode:27;
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uint64_t gather_mode:1;
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uint64_t little_endian:1;
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uint64_t store_full:1;
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uint64_t load_through:1;
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uint64_t small:1;
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uint64_t itype:3;
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uint64_t unused0:2;
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uint64_t mbase:22;
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#else
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uint64_t mbase:22;
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uint64_t unused0:2;
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uint64_t itype:3;
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uint64_t small:1;
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uint64_t load_through:1;
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uint64_t store_full:1;
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uint64_t little_endian:1;
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uint64_t gather_mode:1;
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uint64_t snode:27;
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uint64_t unused1:2;
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uint64_t f1:3;
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#endif
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} walk;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused4:7;
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uint64_t dbase:9;
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uint64_t unused3:2;
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uint64_t cbase:14;
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uint64_t gather_mode:1;
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uint64_t little_endian:1;
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uint64_t store_full:1;
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uint64_t load_through:1;
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uint64_t unused2:1;
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uint64_t itype:3;
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uint64_t unused1:6;
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uint64_t dsize:10;
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uint64_t unused0:2;
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uint64_t pgid:6;
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#else
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uint64_t pgid:6;
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uint64_t unused0:2;
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uint64_t dsize:10;
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uint64_t unused1:6;
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uint64_t itype:3;
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uint64_t unused2:1;
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uint64_t load_through:1;
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uint64_t store_full:1;
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uint64_t little_endian:1;
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uint64_t gather_mode:1;
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uint64_t cbase:14;
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uint64_t unused3:2;
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uint64_t dbase:9;
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uint64_t unused4:7;
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#endif
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} cload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused2:32;
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uint64_t gather_mode:1;
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uint64_t little_endian:1;
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uint64_t store_full:1;
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uint64_t load_through:1;
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uint64_t unused1:1;
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uint64_t itype:3;
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uint64_t unused0:2;
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uint64_t mbase:22;
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#else
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uint64_t mbase:22;
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uint64_t unused0:2;
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uint64_t itype:3;
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uint64_t unused1:1;
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uint64_t load_through:1;
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uint64_t store_full:1;
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uint64_t little_endian:1;
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uint64_t gather_mode:1;
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uint64_t unused2:32;
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#endif
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} mload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused2:34;
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uint64_t store_full:1;
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uint64_t unused1:2;
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uint64_t itype:3;
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uint64_t unused0:24;
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#else
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uint64_t unused0:24;
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uint64_t itype:3;
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uint64_t unused1:2;
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uint64_t store_full:1;
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uint64_t unused2:34;
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#endif
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} free;
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} cvmx_dfa_word0_t;
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typedef union {
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t rmax:16;
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uint64_t f2:8;
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uint64_t rptr:40;
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#else
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uint64_t rptr:40;
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uint64_t f2:8;
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uint64_t rmax:16;
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#endif
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} walk;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:13;
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uint64_t rmax:3;
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uint64_t unused0:8;
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uint64_t rptr:40;
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#else
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uint64_t rptr:40;
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uint64_t unused0:8;
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uint64_t rmax:3;
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uint64_t unused1:13;
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#endif
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} cload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:4;
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uint64_t rmax:12;
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uint64_t unused0:8;
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uint64_t rptr:40;
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#else
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uint64_t rptr:40;
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uint64_t unused0:8;
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uint64_t rmax:12;
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uint64_t unused1:4;
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#endif
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} mload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused:24;
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uint64_t rptr:40;
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#else
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uint64_t rptr:40;
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uint64_t unused:24;
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#endif
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} free;
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} cvmx_dfa_word1_t;
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typedef union {
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t dlen:16;
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uint64_t srepl:2;
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uint64_t unused:2;
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uint64_t clmsk:4;
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uint64_t dptr:40;
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#else
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uint64_t dptr:40;
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uint64_t clmsk:4;
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uint64_t unused:2;
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uint64_t srepl:2;
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uint64_t dlen:16;
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#endif
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} walk;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t dlen:16;
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uint64_t unused:4;
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uint64_t clmsk:4;
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uint64_t dptr:40;
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#else
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uint64_t dptr:40;
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uint64_t clmsk:4;
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uint64_t unused:4;
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uint64_t dlen:16;
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#endif
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} cload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t dlen:16;
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uint64_t repl:2;
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uint64_t unused:2;
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uint64_t clmsk:4;
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uint64_t dptr:40;
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#else
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uint64_t dptr:40;
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uint64_t clmsk:4;
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uint64_t unused:2;
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uint64_t repl:2;
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uint64_t dlen:16;
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#endif
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} mload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:20;
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uint64_t clmsk:4;
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uint64_t unused0:40;
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#else
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uint64_t unused0:40;
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uint64_t clmsk:4;
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uint64_t unused1:20;
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#endif
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} free;
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} cvmx_dfa_word2_t;
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typedef union {
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:2;
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uint64_t vgid:8;
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uint64_t unused0:5;
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uint64_t f3:9;
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uint64_t wqptr:40;
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#else
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uint64_t wqptr:40;
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uint64_t f3:9;
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uint64_t unused0:5;
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uint64_t vgid:8;
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uint64_t unused1:2;
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#endif
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} walk;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:2;
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uint64_t vgid:8;
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uint64_t unused0:7;
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uint64_t f4:7;
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uint64_t wqptr:40;
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#else
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uint64_t wqptr:40;
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uint64_t f4:7;
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uint64_t unused0:7;
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uint64_t vgid:8;
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uint64_t unused1:2;
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#endif
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} cload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:2;
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uint64_t vgid:8;
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uint64_t unused0:7;
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uint64_t f4:7;
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uint64_t wqptr:40;
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#else
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uint64_t wqptr:40;
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uint64_t f4:7;
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uint64_t unused0:7;
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uint64_t vgid:8;
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uint64_t unused1:2;
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#endif
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} mload;
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struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint64_t unused1:2;
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uint64_t vgid:8;
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uint64_t unused0:14;
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uint64_t wqptr:40;
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#else
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uint64_t wqptr:40;
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uint64_t unused0:14;
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uint64_t vgid:8;
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uint64_t unused1:2;
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#endif
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} free;
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} cvmx_dfa_word3_t;
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typedef union {
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uint64_t u64[4];
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struct {
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cvmx_dfa_word0_t word0;
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cvmx_dfa_word1_t word1;
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cvmx_dfa_word2_t word2;
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cvmx_dfa_word3_t word3;
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};
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} cvmx_dfa_command_t;
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#ifdef CVMX_ENABLE_DFA_FUNCTIONS
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/**
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* Initialize the DFA hardware before use
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* Returns 0 on success, -1 on failure
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*/
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int cvmx_hfa_initialize(void);
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/**
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* Shutdown and cleanup resources used by the DFA
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*/
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int cvmx_hfa_shutdown(void);
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/**
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* Submit a command to the HFA block
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*
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* @param command HFA command to submit
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*
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* @return Zero on success, negative on failure
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*/
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int cvmx_hfa_submit(cvmx_dfa_command_t *command);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader.
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*
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* @param size Size in bytes of block to allocate
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* @param alignment Alignment required - must be power of 2
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*
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* @return pointer to block of memory, NULL on error
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*/
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void *hfa_bootmem_alloc (uint64_t size, uint64_t alignment);
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/**
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* Frees a block to the bootmem allocator list.
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*
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* @param ptr address of block (memory pointer (void*))
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* @param size size of block in bytes.
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*
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* @return 1 on success,
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* 0 on failure
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*
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*/
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int hfa_bootmem_free (void *ptr, uint64_t size);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_HFA_H__ */
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