1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1999 Luoqi Chen. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 struct aic_transinfo { 32 u_int8_t period; 33 u_int8_t offset; 34 }; 35 36 struct aic_tinfo { 37 u_int16_t lubusy; 38 u_int8_t flags; 39 u_int8_t scsirate; 40 struct aic_transinfo current; 41 struct aic_transinfo goal; 42 struct aic_transinfo user; 43 }; 44 45 #define TINFO_DISC_ENB 0x01 46 #define TINFO_TAG_ENB 0x02 47 #define TINFO_SDTR_NEGO 0x04 48 #define TINFO_SDTR_SENT 0x08 49 50 struct aic_scb { 51 union ccb *ccb; 52 SLIST_ENTRY(aic_scb) link; 53 struct callout timer; 54 u_int8_t flags; 55 u_int8_t tag; 56 u_int8_t target; 57 u_int8_t lun; 58 u_int8_t status; 59 u_int8_t cmd_len; 60 u_int8_t *cmd_ptr; 61 u_int32_t data_len; 62 u_int8_t *data_ptr; 63 }; 64 65 #define ccb_scb_ptr spriv_ptr0 66 #define ccb_aic_ptr spriv_ptr1 67 68 #define SCB_ACTIVE 0x01 69 #define SCB_DISCONNECTED 0x02 70 #define SCB_DEVICE_RESET 0x04 71 #define SCB_SENSE 0x08 72 73 enum { AIC6260, AIC6360, AIC6370, GM82C700 }; 74 75 struct aic_softc { 76 device_t dev; 77 struct mtx lock; 78 struct resource *res; 79 bus_dma_tag_t dmat; 80 81 struct cam_sim *sim; 82 struct cam_path *path; 83 TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs; 84 SLIST_HEAD(,aic_scb) free_scbs; 85 struct aic_scb *nexus; 86 87 u_int32_t flags; 88 u_int8_t initiator; 89 u_int8_t state; 90 u_int8_t target; 91 u_int8_t lun; 92 u_int8_t prev_phase; 93 94 u_int8_t msg_outq; 95 u_int8_t msg_sent; 96 int msg_len; 97 char msg_buf[8]; 98 99 struct aic_tinfo tinfo[8]; 100 struct aic_scb scbs[256]; 101 102 int min_period; 103 int max_period; 104 int chip_type; 105 }; 106 107 #define AIC_DISC_ENABLE 0x01 108 #define AIC_DMA_ENABLE 0x02 109 #define AIC_PARITY_ENABLE 0x04 110 #define AIC_DWIO_ENABLE 0x08 111 #define AIC_RESOURCE_SHORTAGE 0x10 112 #define AIC_DROP_MSGIN 0x20 113 #define AIC_BUSFREE_OK 0x40 114 #define AIC_FAST_ENABLE 0x80 115 116 #define AIC_IDLE 0x00 117 #define AIC_SELECTING 0x01 118 #define AIC_RESELECTED 0x02 119 #define AIC_RECONNECTING 0x03 120 #define AIC_HASNEXUS 0x04 121 122 #define AIC_MSG_IDENTIFY 0x01 123 #define AIC_MSG_TAG_Q 0x02 124 #define AIC_MSG_SDTR 0x04 125 #define AIC_MSG_WDTR 0x08 126 #define AIC_MSG_MSGBUF 0x80 127 128 #define AIC_SYNC_PERIOD (200 / 4) 129 #define AIC_FAST_SYNC_PERIOD (100 / 4) 130 #define AIC_MIN_SYNC_PERIOD 112 131 #define AIC_SYNC_OFFSET 8 132 133 #define aic_inb(aic, port) \ 134 bus_read_1((aic)->res, (port)) 135 136 #define aic_outb(aic, port, value) \ 137 bus_write_1((aic)->res, (port), (value)) 138 139 #define aic_insb(aic, port, addr, count) \ 140 bus_read_multi_1((aic)->res, (port), (addr), (count)) 141 142 #define aic_outsb(aic, port, addr, count) \ 143 bus_write_multi_1((aic)->res, (port), (addr), (count)) 144 145 #define aic_insw(aic, port, addr, count) \ 146 bus_read_multi_2((aic)->res, (port), (u_int16_t *)(addr), (count)) 147 148 #define aic_outsw(aic, port, addr, count) \ 149 bus_write_multi_2((aic)->res, (port), (u_int16_t *)(addr), (count)) 150 151 #define aic_insl(aic, port, addr, count) \ 152 bus_read_multi_4((aic)->res, (port), (u_int32_t *)(addr), (count)) 153 154 #define aic_outsl(aic, port, addr, count) \ 155 bus_write_multi_4((aic)->res, (port), (u_int32_t *)(addr), (count)) 156 157 extern int aic_probe(struct aic_softc *); 158 extern int aic_attach(struct aic_softc *); 159 extern int aic_detach(struct aic_softc *); 160 extern void aic_intr(void *); 161