aicvar.h revision 60938
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 60938 2000-05-26 02:09:24Z jake $ 27 */ 28 29#include "aic.h" 30 31struct aic_transinfo { 32 u_int8_t period; 33 u_int8_t offset; 34}; 35 36struct 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 50struct aic_scb { 51 union ccb *ccb; 52 u_int8_t flags; 53 u_int8_t tag; 54 u_int8_t target; 55 u_int8_t lun; 56 u_int8_t status; 57 u_int8_t cmd_len; 58 u_int8_t *cmd_ptr; 59 u_int32_t data_len; 60 u_int8_t *data_ptr; 61}; 62 63#define ccb_scb_ptr spriv_ptr0 64#define ccb_aic_ptr spriv_ptr1 65 66#define SCB_ACTIVE 0x01 67#define SCB_DISCONNECTED 0x02 68#define SCB_DEVICE_RESET 0x04 69#define SCB_SENSE 0x08 70 71struct aic_softc { 72 int unit; 73 bus_space_tag_t tag; 74 bus_space_handle_t bsh; 75 bus_dma_tag_t dmat; 76 77 struct cam_sim *sim; 78 struct cam_path *path; 79 TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs; 80 struct aic_scb *nexus; 81 82 u_int32_t flags; 83 u_int8_t initiator; 84 u_int8_t state; 85 u_int8_t target; 86 u_int8_t lun; 87 u_int8_t prev_phase; 88 89 u_int8_t msg_outq; 90 u_int8_t msg_sent; 91 int msg_len; 92 char msg_buf[8]; 93 94 struct aic_tinfo tinfo[8]; 95 struct aic_scb scbs[256]; 96}; 97 98#define AIC_DISC_ENABLE 0x01 99#define AIC_DMA_ENABLE 0x02 100#define AIC_PARITY_ENABLE 0x04 101#define AIC_DWIO_ENABLE 0x08 102#define AIC_RESOURCE_SHORTAGE 0x10 103#define AIC_DROP_MSGIN 0x20 104#define AIC_BUSFREE_OK 0x40 105 106#define AIC_IDLE 0x00 107#define AIC_SELECTING 0x01 108#define AIC_RESELECTED 0x02 109#define AIC_RECONNECTING 0x03 110#define AIC_HASNEXUS 0x04 111 112#define AIC_MSG_IDENTIFY 0x01 113#define AIC_MSG_TAG_Q 0x02 114#define AIC_MSG_SDTR 0x04 115#define AIC_MSG_WDTR 0x08 116#define AIC_MSG_MSGBUF 0x80 117 118#define AIC_SYNC_PERIOD (200 / 4) 119#define AIC_SYNC_OFFSET 8 120 121#define aic_inb(aic, port) \ 122 bus_space_read_1((aic)->tag, (aic)->bsh, (port)) 123 124#define aic_outb(aic, port, value) \ 125 bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value)) 126 127#define aic_insb(aic, port, addr, count) \ 128 bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 129 130#define aic_outsb(aic, port, addr, count) \ 131 bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) 132 133#define aic_insw(aic, port, addr, count) \ 134 bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \ 135 (u_int16_t *)(addr), (count)) 136 137#define aic_outsw(aic, port, addr, count) \ 138 bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \ 139 (u_int16_t *)(addr), (count)) 140 141#define aic_insl(aic, port, addr, count) \ 142 bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \ 143 (u_int32_t *)(addr), (count)) 144 145#define aic_outsl(aic, port, addr, count) \ 146 bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \ 147 (u_int32_t *)(addr), (count)) 148 149extern int aic_probe __P((struct aic_softc *)); 150extern int aic_attach __P((struct aic_softc *)); 151extern int aic_detach __P((struct aic_softc *)); 152extern void aic_intr __P((void *)); 153