FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxe/mfw_hsi.h

     /*
      * Copyright (c) 2017-2018 Cavium, Inc. 
      * All rights reserved.
      *
      *  Redistribution and use in source and binary forms, with or without
      *  modification, are permitted provided that the following conditions
      *  are met:
      *
      *  1. Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *  2. 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.
     *
     *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     *  POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     *
     */
    
    /****************************************************************************
     *
     * Name:        mfw_hsi.h
     *
     * Description: Global definitions
     *
     ****************************************************************************/
    
    #ifndef MFW_HSI_H
    #define MFW_HSI_H
    
    #define MFW_TRACE_SIGNATURE     0x25071946
    
    /* The trace in the buffer */
    #define MFW_TRACE_EVENTID_MASK          0x00ffff
    #define MFW_TRACE_PRM_SIZE_MASK         0x0f0000
    #define MFW_TRACE_PRM_SIZE_SHIFT        16
    #define MFW_TRACE_ENTRY_SIZE            3
    
    struct mcp_trace {
            u32     signature;      /* Help to identify that the trace is valid */
            u32     size;           /* the size of the trace buffer in bytes*/
            u32     curr_level;     /* 2 - all will be written to the buffer
                                     * 1 - debug trace will not be written
                                     * 0 - just errors will be written to the buffer
                                     */
            u32     modules_mask[2];/* a bit per module, 1 means write it, 0 means mask it */
    
            /* Warning: the following pointers are assumed to be 32bits as they are used only in the MFW */
            u32     trace_prod;     /* The next trace will be written to this offset */
            u32     trace_oldest;   /* The oldest valid trace starts at this offset (usually very close after the current producer) */
    };
    
    #endif /* MFW_HSI_H */

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