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