aicvar.h revision 74370
1/*- 2 * Copyright (c) 1999 Luoqi Chen. 3 * All rights reserved. 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. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 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 OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/aic/aicvar.h 74370 2001-03-16 22:20:19Z ken $ 27 */ 28 29struct aic_transinfo { 30 u_int8_t period; 31 u_int8_t offset; 32}; 33 34struct aic_tinfo { 35 u_int16_t lubusy; 36 u_int8_t flags; 37 u_int8_t scsirate; 38 struct aic_transinfo current; 39 struct aic_transinfo goal; 40 struct aic_transinfo user; 41}; 42 43#define TINFO_DISC_ENB 0x01 44#define TINFO_TAG_ENB 0x02 45#define TINFO_SDTR_NEGO 0x04 46#define TINFO_SDTR_SENT 0x08 47 48struct aic_scb { 49 union ccb *ccb; 50 u_int8_t flags; 51 u_int8_t tag; 52 u_int8_t target; 53 u_int8_t lun; 54 u_int8_t status; 55 u_int8_t cmd_len; 56 u_int8_t *cmd_ptr; 57 u_int32_t data_len; 58 u_int8_t *data_ptr; 59}; 60 61#define ccb_scb_ptr spriv_ptr0 62#define ccb_aic_ptr spriv_ptr1 63 64#define SCB_ACTIVE 0x01 65#define SCB_DISCONNECTED 0x02 66#define SCB_DEVICE_RESET 0x04 67#define SCB_SENSE 0x08 68 69struct aic_softc { 70 int unit; 71 bus_space_tag_t tag; 72 bus_space_handle_t bsh; 73 bus_dma_tag_t dmat; 74 75 struct cam_sim *sim; 76 struct cam_path *path; 77 TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs; 78 struct aic_scb *nexus; 79 80 u_int32_t flags; 81 u_int8_t initiator; 82 u_int8_t state; 83 u_int8_t target; 84 u_int8_t lun; 85 u_int8_t prev_phase; 86 87 u_int8_t msg_outq; 88 u_int8_t msg_sent; 89 int msg_len; 90 char msg_buf[8]; 91 92 struct aic_tinfo tinfo[8]; 93 struct aic_scb scbs[256]; 94 95 int min_period; 96 int max_period; 97}; 98 99#define AIC_DISC_ENABLE 0x01 100#define AIC_DMA_ENABLE 0x02 101#define AIC_PARITY_ENABLE 0x04 102#define AIC_DWIO_ENABLE 0x08 103#define AIC_RESOURCE_SHORTAGE 0x10 104#define AIC_DROP_MSGIN 0x20 105#define AIC_BUSFREE_OK 0x40 106#define AIC_FAST_ENABLE 0x80 107 108#define AIC_IDLE 0x00 109#define AIC_SELECTING 0x01 110#define AIC_RESELECTED 0x02 111#define AIC_RECONNECTING 0x03 112#define AIC_HASNEXUS 0x04 113 114#define AIC_MSG_IDENTIFY 0x01 115#define AIC_MSG_TAG_Q 0x02 116#define AIC_MSG_SDTR 0x04 117#define AIC_MSG_WDTR 0x08 118#define AIC_MSG_MSGBUF 0x80 119 120#define AIC_SYNC_PERIOD (200 / 4) 121#define AIC_FAST_SYNC_PERIOD (100 / 4) 122#define AIC_MIN_SYNC_PERIOD 112 123#define AIC_SYNC_OFFSET 8 124 125#define aic_inb(aic, port) \ 126 bus_space_read_1((aic)->tag, (aic)->bsh, (port)) 127 128#define aic_outb(aic, port, value) \ 129 bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value)) 130 131#define aic_insb(aic, port, addr, count) \ 132 bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 133 134#define aic_outsb(aic, port, addr, count) \ 135 bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 136 137#define aic_insw(aic, port, addr, count) \ 138 bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \ 139 (u_int16_t *)(addr), (count)) 140 141#define aic_outsw(aic, port, addr, count) \ 142 bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \ 143 (u_int16_t *)(addr), (count)) 144 145#define aic_insl(aic, port, addr, count) \ 146 bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \ 147 (u_int32_t *)(addr), (count)) 148 149#define aic_outsl(aic, port, addr, count) \ 150 bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \ 151 (u_int32_t *)(addr), (count)) 152 153extern int aic_probe __P((struct aic_softc *)); 154extern int aic_attach __P((struct aic_softc *)); 155extern int aic_detach __P((struct aic_softc *)); 156extern void aic_intr __P((void *)); 157