1 /* $OpenBSD: wdcevent.h,v 1.8 2015/08/17 15:36:29 krw Exp $ */ 2 /* 3 * Copyright (c) 2001 Constantine Sapuntzakis 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Neither the name of the author nor the names of any co-contributors 11 * may be used to endorse or promote products derived from this software 12 * without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 24 * THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #ifndef WDCEVENT_H 29 #define WDCEVENT_H 30 31 enum wdcevent_type { 32 WDCEVENT_STATUS = 1, 33 WDCEVENT_ERROR, 34 WDCEVENT_ATAPI_CMD, 35 WDCEVENT_ATAPI_DONE, 36 WDCEVENT_ATA_SHORT, 37 WDCEVENT_ATA_LONG, 38 WDCEVENT_SET_DRIVE1, 39 WDCEVENT_SET_DRIVE0, 40 WDCEVENT_REG, 41 WDCEVENT_ATA_EXT 42 }; 43 44 #ifdef _KERNEL 45 46 #ifdef WDCDEBUG 47 void wdc_log(struct channel_softc *chp, enum wdcevent_type type, 48 unsigned int size, char val[]); 49 50 static __inline void WDC_LOG_STATUS(struct channel_softc *chp, 51 u_int8_t status) { 52 if (chp->ch_prev_log_status == status) 53 return; 54 55 chp->ch_prev_log_status = status; 56 wdc_log(chp, WDCEVENT_STATUS, 1, &status); 57 } 58 59 static __inline void WDC_LOG_ERROR(struct channel_softc *chp, 60 u_int8_t error) { 61 wdc_log(chp, WDCEVENT_ERROR, 1, &error); 62 } 63 64 static __inline void WDC_LOG_ATAPI_CMD(struct channel_softc *chp, int drive, 65 int flags, int len, void *cmd) { 66 u_int8_t record[20]; 67 68 record[0] = (flags >> 8); 69 record[1] = flags & 0xff; 70 memcpy(&record[2], cmd, len); 71 72 wdc_log(chp, WDCEVENT_ATAPI_CMD, len + 2, record); 73 } 74 75 static __inline void WDC_LOG_ATAPI_DONE(struct channel_softc *chp, int drive, 76 int flags, u_int8_t error) { 77 char record[3] = {flags >> 8, flags & 0xff, error}; 78 wdc_log(chp, WDCEVENT_ATAPI_DONE, 3, record); 79 } 80 81 static __inline void WDC_LOG_ATA_CMDSHORT(struct channel_softc *chp, u_int8_t cmd) { 82 wdc_log(chp, WDCEVENT_ATA_SHORT, 1, &cmd); 83 } 84 85 static __inline void WDC_LOG_ATA_CMDLONG(struct channel_softc *chp, 86 u_int8_t head, u_int8_t features, u_int8_t cylinhi, u_int8_t cylinlo, 87 u_int8_t sector, u_int8_t count, u_int8_t command) { 88 char record[8] = { head, features, cylinhi, cylinlo, 89 sector, count, command }; 90 91 wdc_log(chp, WDCEVENT_ATA_LONG, 7, record); 92 } 93 94 static __inline void WDC_LOG_SET_DRIVE(struct channel_softc *chp, 95 u_int8_t drive) { 96 wdc_log(chp, drive ? WDCEVENT_SET_DRIVE1 : WDCEVENT_SET_DRIVE0, 97 0, NULL); 98 } 99 100 static __inline void WDC_LOG_REG(struct channel_softc *chp, 101 enum wdc_regs reg, u_int16_t val) { 102 char record[3]; 103 104 record[0] = reg; 105 record[1] = (val >> 8); 106 record[2] = val & 0xff; 107 108 wdc_log(chp, WDCEVENT_REG, 3, record); 109 } 110 111 static __inline void WDC_LOG_ATA_CMDEXT(struct channel_softc *chp, 112 u_int8_t lba_hi1, u_int8_t lba_hi2, u_int8_t lba_mi1, u_int8_t lba_mi2, 113 u_int8_t lba_lo1, u_int8_t lba_lo2, u_int8_t count1, u_int8_t count2, 114 u_int8_t command) { 115 char record[9] = { lba_hi1, lba_hi2, lba_mi1, lba_mi2, 116 lba_lo1, lba_lo2, count1, count2, command }; 117 118 wdc_log(chp, WDCEVENT_ATA_EXT, 9, record); 119 } 120 #else 121 #define WDC_LOG_STATUS(chp, status) 122 #define WDC_LOG_ERROR(chp, error) 123 #define WDC_LOG_ATAPI_CMD(chp, drive, flags, len, cmd) 124 #define WDC_LOG_ATAPI_DONE(chp, drive, flags, error) 125 #define WDC_LOG_ATA_CMDSHORT(chp, cmd) 126 #define WDC_LOG_ATA_CMDLONG(chp, head, features, cylinhi, cylinlo, \ 127 sector, count, command) 128 #define WDC_LOG_SET_DRIVE(chp, drive) 129 #define WDC_LOG_REG(chp, reg, val) 130 #define WDC_LOG_ATA_CMDEXT(chp, lba_hi1, lba_hi2, lba_mi1, lba_mi2, \ 131 lba_lo1, lba_lo2, count1, count2, command) 132 #endif /* WDCDEBUG */ 133 134 #endif /* _KERNEL */ 135 136 #endif /* WDCEVENT_H */ 137