FreeBSD/Linux Kernel Cross Reference
sys/dev/tws/tws_services.h

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 2010, LSI Corp.
      * All rights reserved.
      * Author : Manjunath Ranganathaiah
      * Support: freebsdraid@lsi.com
      *
      * 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.
     * 3. Neither the name of the <ORGANIZATION> 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 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 HOLDER 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.
     *
     * $FreeBSD$
     */
    
    /* #define TWS_DEBUG on */
    
    void tws_trace(const char *file, const char *fun, int linenum,
             struct tws_softc *sc,  char *desc, u_int64_t val1, u_int64_t val2);
    void tws_log(struct tws_softc *sc, int index);
    u_int32_t tws_read_reg(struct tws_softc *sc, 
                      int offset, int size);
    void tws_write_reg(struct tws_softc *sc, int offset,
                      u_int32_t value, int size);
    
    u_int16_t tws_swap16(u_int16_t val);
    u_int32_t tws_swap32(u_int32_t val);
    u_int64_t tws_swap64(u_int64_t val);
    
    void tws_init_qs(struct tws_softc *sc);
    
    /* ----------------- trace ----------------- */
    
    #define TWS_TRACE_ON on /* Alawys on - use wisely to trace errors */
    
    #ifdef TWS_DEBUG
        #define TWS_TRACE_DEBUG_ON on
    #endif
    
    #ifdef TWS_TRACE_DEBUG_ON
        #define __tws_debug
        #define TWS_TRACE_DEBUG(sc, desc, val1, val2) \
                tws_trace(__FILE__, __func__, __LINE__, sc, desc, \
                                       (u_int64_t)val1, (u_int64_t)val2)
    #else
        #define __tws_debug __unused
        #define TWS_TRACE_DEBUG(sc, desc, val1, val2)
    #endif
    
    #ifdef TWS_TRACE_ON
        #define TWS_TRACE(sc, desc, val1, val2) \
                tws_trace(__FILE__, __func__, __LINE__, sc, desc, \
                                       (u_int64_t)val1, (u_int64_t)val2)
    #else
        #define TWS_TRACE(sc, desc, val1, val2)
    #endif
    
    /* ---------------- logging ---------------- */
    
    /* ---------------- logging ---------------- */
    enum error_index {
        SYSCTL_TREE_NODE_ADD,
        PCI_COMMAND_READ,
        ALLOC_MEMORY_RES,
        ALLOC_IRQ_RES,
        SETUP_INTR_RES,
        TWS_CAM_ATTACH,
        CAM_SIMQ_ALLOC,
        CAM_SIM_ALLOC,
        TWS_XPT_BUS_REGISTER,
        TWS_XPT_CREATE_PATH,
        TWS_BUS_SCAN_REQ,
        TWS_INIT_FAILURE,
        TWS_CTLR_INIT_FAILURE,
    };
    
   enum severity {
       ERROR = 1,
       WARNING,
       INFO,
   #if 0
       DEBUG,
   #endif
   };
   
   struct error_desc {
       char desc[256];
       u_int32_t error_code;
       int severity_level;
       char *fmt;
       char *error_str;
   };
   
   /* ----------- q services ------------- */
   
   #define TWS_FREE_Q        0
   #define TWS_PENDING_Q     1
   #define TWS_BUSY_Q        2
   #define TWS_COMPLETE_Q    3
   
   /* req return codes */
   #define TWS_REQ_RET_SUBMIT_SUCCESS 0
   #define TWS_REQ_RET_PEND_NOMFA     1
   #define TWS_REQ_RET_RESET          2
   #define TWS_REQ_RET_INVALID   0xdead
   
   /* ------------------------ */
   #include <sys/clock.h>
   #define TWS_LOCAL_TIME (time_second - utc_offset())

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