FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/wdcevent.h

     /*      $OpenBSD: wdcevent.h,v 1.8 2015/08/17 15:36:29 krw Exp $        */
     /*
      * Copyright (c) 2001 Constantine Sapuntzakis
      *
      * 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. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR
     * 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.
     *
     */
    
    #ifndef WDCEVENT_H
    #define WDCEVENT_H
    
    enum wdcevent_type {
            WDCEVENT_STATUS = 1,
            WDCEVENT_ERROR,
            WDCEVENT_ATAPI_CMD,
            WDCEVENT_ATAPI_DONE,
            WDCEVENT_ATA_SHORT,
            WDCEVENT_ATA_LONG,
            WDCEVENT_SET_DRIVE1,
            WDCEVENT_SET_DRIVE0,
            WDCEVENT_REG,
            WDCEVENT_ATA_EXT
    };
    
    #ifdef _KERNEL
    
    #ifdef WDCDEBUG
    void wdc_log(struct channel_softc *chp, enum wdcevent_type type,
        unsigned int size, char  val[]);
    
    static __inline void WDC_LOG_STATUS(struct channel_softc *chp,
        u_int8_t status) {
            if (chp->ch_prev_log_status == status)
                    return;
    
            chp->ch_prev_log_status = status;
            wdc_log(chp, WDCEVENT_STATUS, 1, &status);
    }
    
    static __inline void WDC_LOG_ERROR(struct channel_softc *chp,
        u_int8_t error) {
            wdc_log(chp, WDCEVENT_ERROR, 1, &error);
    }
    
    static __inline void WDC_LOG_ATAPI_CMD(struct channel_softc *chp, int drive,
        int flags, int len, void *cmd) {
            u_int8_t record[20];
    
            record[0] = (flags >> 8);
            record[1] = flags & 0xff;
            memcpy(&record[2], cmd, len);
    
            wdc_log(chp, WDCEVENT_ATAPI_CMD, len + 2, record);
    }
    
    static __inline void WDC_LOG_ATAPI_DONE(struct channel_softc *chp, int drive,
        int flags, u_int8_t error) {
            char record[3] = {flags >> 8, flags & 0xff, error};
            wdc_log(chp, WDCEVENT_ATAPI_DONE, 3, record);
    }
    
    static __inline void WDC_LOG_ATA_CMDSHORT(struct channel_softc *chp, u_int8_t cmd) {
            wdc_log(chp, WDCEVENT_ATA_SHORT, 1, &cmd);
    }
    
    static __inline void WDC_LOG_ATA_CMDLONG(struct channel_softc *chp,
        u_int8_t head, u_int8_t features, u_int8_t cylinhi, u_int8_t cylinlo,
        u_int8_t sector, u_int8_t count, u_int8_t command) {
            char record[8] = { head, features, cylinhi, cylinlo,
                               sector, count, command };
    
            wdc_log(chp, WDCEVENT_ATA_LONG, 7, record);
    }
    
    static __inline void WDC_LOG_SET_DRIVE(struct channel_softc *chp,
        u_int8_t drive) {
            wdc_log(chp, drive ? WDCEVENT_SET_DRIVE1 : WDCEVENT_SET_DRIVE0,
                0, NULL);
    }
    
   static __inline void WDC_LOG_REG(struct channel_softc *chp,
       enum wdc_regs reg, u_int16_t val) {
           char record[3];
   
           record[0] = reg;
           record[1] = (val >> 8);
           record[2] = val & 0xff;
   
           wdc_log(chp, WDCEVENT_REG, 3, record);
   }
   
   static __inline void WDC_LOG_ATA_CMDEXT(struct channel_softc *chp,
       u_int8_t lba_hi1, u_int8_t lba_hi2, u_int8_t lba_mi1, u_int8_t lba_mi2,
       u_int8_t lba_lo1, u_int8_t lba_lo2, u_int8_t count1, u_int8_t count2,
       u_int8_t command) {
           char record[9] = { lba_hi1, lba_hi2, lba_mi1, lba_mi2,
                              lba_lo1, lba_lo2, count1, count2, command };
   
           wdc_log(chp, WDCEVENT_ATA_EXT, 9, record);
   }
   #else
   #define WDC_LOG_STATUS(chp, status)
   #define WDC_LOG_ERROR(chp, error)
   #define WDC_LOG_ATAPI_CMD(chp, drive, flags, len, cmd)
   #define WDC_LOG_ATAPI_DONE(chp, drive, flags, error)
   #define WDC_LOG_ATA_CMDSHORT(chp, cmd)
   #define WDC_LOG_ATA_CMDLONG(chp, head, features, cylinhi, cylinlo, \
       sector, count, command)
   #define WDC_LOG_SET_DRIVE(chp, drive)
   #define WDC_LOG_REG(chp, reg, val)
   #define WDC_LOG_ATA_CMDEXT(chp, lba_hi1, lba_hi2, lba_mi1, lba_mi2, \
       lba_lo1, lba_lo2, count1, count2, command)
   #endif /* WDCDEBUG */
   
   #endif  /* _KERNEL */
   
   #endif  /* WDCEVENT_H */

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