cacreg.h revision 1.2
1 /* $NetBSD: cacreg.h,v 1.2 2000/03/20 18:48:34 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andy Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1999 Jonathan Lemon 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * FreeBSD: src/sys/dev/ida/idareg.h,v 1.2 1999/08/28 00:41:55 peter Exp 65 */ 66 67 #ifndef _IC_CACREG_H_ 68 #define _IC_CACREG_H_ 69 70 #define cac_inl(sc, port) \ 71 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, port) 72 #define cac_outl(sc, port, val) \ 73 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, port, val) 74 75 /* Board register offsets */ 76 #define CAC_REG_CMD_FIFO 0x04 77 #define CAC_REG_DONE_FIFO 0x08 78 #define CAC_REG_INT_MASK 0x0C 79 #define CAC_REG_STATUS 0x10 80 #define CAC_REG_INT_PENDING 0x14 81 82 #define CAC_42REG_CMD_FIFO 0x40 83 #define CAC_42REG_DONE_FIFO 0x44 84 #define CAC_42REG_INT_MASK 0x34 85 #define CAC_42REG_STATUS 0x30 86 #define CAC_42REG_INT_PENDING 0x08 87 88 /* Interrupt mask values */ 89 #define CAC_INT_DISABLE 0x00 90 #define CAC_INT_ENABLE 0x01 91 92 /* Command types */ 93 #define CAC_CMD_GET_LOG_DRV_INFO 0x10 94 #define CAC_CMD_GET_CTRL_INFO 0x11 95 #define CAC_CMD_SENSE_DRV_STATUS 0x12 96 #define CAC_CMD_START_RECOVERY 0x13 97 #define CAC_CMD_GET_PHYS_DRV_INFO 0x15 98 #define CAC_CMD_BLINK_DRV_LEDS 0x16 99 #define CAC_CMD_SENSE_DRV_LEDS 0x17 100 #define CAC_CMD_GET_LOG_DRV_EXT 0x18 101 #define CAC_CMD_GET_CTRL_INFO 0x11 102 #define CAC_CMD_READ 0x20 103 #define CAC_CMD_WRITE 0x30 104 #define CAC_CMD_WRITE_MEDIA 0x31 105 #define CAC_CMD_GET_CONFIG 0x50 106 #define CAC_CMD_SET_CONFIG 0x51 107 #define CAC_CMD_FLUSH_CACHE 0xc2 108 109 /* Return status codes */ 110 #define CAC_RET_SOFT_ERROR 0x02 111 #define CAC_RET_HARD_ERROR 0x04 112 #define CAC_RET_CMD_REJECTED 0x14 113 114 struct cac_drive_info { 115 u_int16_t secsize; 116 u_int32_t secperunit; 117 u_int16_t ncylinders; 118 u_int8_t nheads; 119 u_int8_t signature; 120 u_int8_t psectors; 121 u_int16_t wprecomp; 122 u_int8_t max_acc; 123 u_int8_t control; 124 u_int16_t pcylinders; 125 u_int8_t ptracks; 126 u_int16_t landing_zone; 127 u_int8_t nsectors; 128 u_int8_t checksum; 129 u_int8_t mirror; 130 } __attribute__((__packed__)); 131 132 struct cac_controller_info { 133 u_int8_t num_drvs; 134 u_int32_t signature; 135 u_int8_t firm_rev[4]; 136 } __attribute__((__packed__)); 137 138 struct cac_hdr { 139 u_int8_t drive; /* logical drive */ 140 u_int8_t priority; /* block priority */ 141 u_int16_t size; /* size of request, in words */ 142 } __attribute__((__packed__)); 143 144 struct cac_req { 145 u_int16_t next; /* offset of next request */ 146 u_int8_t command; /* command */ 147 u_int8_t error; /* return error code */ 148 u_int32_t blkno; /* block number */ 149 u_int16_t bcount; /* block count */ 150 u_int8_t sgcount; /* number of scatter/gather entries */ 151 u_int8_t reserved; /* reserved */ 152 } __attribute__((__packed__)); 153 154 struct cac_sgb { 155 u_int32_t length; /* length of S/G segment */ 156 u_int32_t addr; /* physical address of block */ 157 } __attribute__((__packed__)); 158 159 /* 160 * Stupid macros to deal with alignment/endianness issues. 161 */ 162 163 #define CAC_GET1(x) \ 164 (((u_char *)&(x))[0]) 165 #define CAC_GET2(x) \ 166 (((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8)) 167 #define CAC_GET4(x) \ 168 ((((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8)) | \ 169 (((u_char *)&(x))[0] << 16 | (((u_char *)&(x))[1] << 24))) 170 171 #endif /* !_IC_CACREG_H_ */ 172
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