lio_mem_ops.h

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    1 /*
    2  *   BSD LICENSE
    3  *
    4  *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
    5  *   All rights reserved.
    6  *
    7  *   Redistribution and use in source and binary forms, with or without
    8  *   modification, are permitted provided that the following conditions
    9  *   are met:
   10  *
   11  *     * Redistributions of source code must retain the above copyright
   12  *       notice, this list of conditions and the following disclaimer.
   13  *     * Redistributions in binary form must reproduce the above copyright
   14  *       notice, this list of conditions and the following disclaimer in
   15  *       the documentation and/or other materials provided with the
   16  *       distribution.
   17  *     * Neither the name of Cavium, Inc. nor the names of its
   18  *       contributors may be used to endorse or promote products derived
   19  *       from this software without specific prior written permission.
   20  *
   21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   25  *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 /*$FreeBSD$*/
   34 
   35 /*
   36  *   \file lio_mem_ops.h
   37  *   \brief Host Driver: Routines used to read/write Octeon memory.
   38  */
   39 
   40 #ifndef __LIO_MEM_OPS_H__
   41 #define __LIO_MEM_OPS_H__
   42 
   43 /*
   44  *   Read a 64-bit value from a BAR1 mapped core memory address.
   45  *   @param  oct        -  pointer to the octeon device.
   46  *   @param  core_addr  -  the address to read from.
   47  *
   48  *   The range_idx gives the BAR1 index register for the range of address
   49  *   in which core_addr is mapped.
   50  *
   51  *   @return  64-bit value read from Core memory
   52  */
   53 uint64_t        lio_read_device_mem64(struct octeon_device *oct,
   54                                       uint64_t core_addr);
   55 
   56 /*
   57  *   Read a 32-bit value from a BAR1 mapped core memory address.
   58  *   @param  oct        -  pointer to the octeon device.
   59  *   @param  core_addr  -  the address to read from.
   60  *
   61  *   @return  32-bit value read from Core memory
   62  */
   63 uint32_t        lio_read_device_mem32(struct octeon_device *oct,
   64                                       uint64_t core_addr);
   65 
   66 /*
   67  *   Write a 32-bit value to a BAR1 mapped core memory address.
   68  *   @param  oct        -  pointer to the octeon device.
   69  *   @param  core_addr  -  the address to write to.
   70  *   @param  val        -  32-bit value to write.
   71  */
   72 void            lio_write_device_mem32(struct octeon_device *oct,
   73                                        uint64_t core_addr, uint32_t val);
   74 
   75 /* Read multiple bytes from Octeon memory. */
   76 void            lio_pci_read_core_mem(struct octeon_device *oct,
   77                                       uint64_t coreaddr, uint8_t *buf,
   78                                       uint32_t len);
   79 
   80 /* Write multiple bytes into Octeon memory. */
   81 void            lio_pci_write_core_mem(struct octeon_device *oct,
   82                                        uint64_t coreaddr, uint8_t *buf,
   83                                        uint32_t len);
   84 
   85 #endif  /* __LIO_MEM_OPS_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/liquidio/base/lio_mem_ops.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/liquidio/base/lio_mem_ops.h