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/* $OpenBSD: wdcevent.h,v 1.7 2014/12/19 07:23:57 deraadt 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 precomp, u_int8_t cylinhi, u_int8_t cylinlo,
u_int8_t sector, u_int8_t count, u_int8_t command) {
char record[8] = { head, precomp, 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, precomp, 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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