diff options
Diffstat (limited to 'sys/dev/aic/aicvar.h')
-rw-r--r-- | sys/dev/aic/aicvar.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/sys/dev/aic/aicvar.h b/sys/dev/aic/aicvar.h new file mode 100644 index 0000000..540a25a --- /dev/null +++ b/sys/dev/aic/aicvar.h @@ -0,0 +1,151 @@ +/*- + * Copyright (c) 1999 Luoqi Chen. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "aic.h" + +struct aic_transinfo { + u_int8_t period; + u_int8_t offset; +}; + +struct aic_tinfo { + u_int16_t lubusy; + u_int8_t flags; + u_int8_t scsirate; + struct aic_transinfo current; + struct aic_transinfo goal; + struct aic_transinfo user; +}; + +#define TINFO_DISC_ENB 0x01 +#define TINFO_TAG_ENB 0x02 +#define TINFO_SDTR_NEGO 0x04 +#define TINFO_SDTR_SENT 0x08 + +struct aic_scb { + union ccb *ccb; + u_int8_t flags; + u_int8_t tag; + u_int8_t target; + u_int8_t lun; + u_int8_t status; + u_int8_t cmd_len; + u_int8_t *cmd_ptr; + u_int32_t data_len; + u_int8_t *data_ptr; +}; + +#define ccb_scb_ptr spriv_ptr0 +#define ccb_aic_ptr spriv_ptr1 + +#define SCB_ACTIVE 0x01 +#define SCB_DISCONNECTED 0x02 +#define SCB_DEVICE_RESET 0x04 +#define SCB_SENSE 0x08 + +struct aic_softc { + int unit; + bus_space_tag_t tag; + bus_space_handle_t bsh; + bus_dma_tag_t dmat; + + struct cam_sim *sim; + struct cam_path *path; + TAILQ_HEAD(,ccb_hdr) pending_ccbs, nexus_ccbs; + struct aic_scb *nexus; + + u_int32_t flags; + u_int8_t initiator; + u_int8_t state; + u_int8_t target; + u_int8_t lun; + u_int8_t prev_phase; + + u_int8_t msg_outq; + u_int8_t msg_sent; + int msg_len; + char msg_buf[8]; + + struct aic_tinfo tinfo[8]; + struct aic_scb scbs[256]; +}; + +#define AIC_DISC_ENABLE 0x01 +#define AIC_DMA_ENABLE 0x02 +#define AIC_PARITY_ENABLE 0x04 +#define AIC_DWIO_ENABLE 0x08 +#define AIC_RESOURCE_SHORTAGE 0x10 +#define AIC_DROP_MSGIN 0x20 +#define AIC_BUSFREE_OK 0x40 + +#define AIC_IDLE 0x00 +#define AIC_SELECTING 0x01 +#define AIC_RESELECTED 0x02 +#define AIC_HASNEXUS 0x03 + +#define AIC_MSG_IDENTIFY 0x01 +#define AIC_MSG_TAG_Q 0x02 +#define AIC_MSG_SDTR 0x04 +#define AIC_MSG_WDTR 0x08 +#define AIC_MSG_MSGBUF 0x80 + +#define AIC_SYNC_PERIOD (200 / 4) +#define AIC_SYNC_OFFSET 8 + +#define aic_inb(aic, port) \ + bus_space_read_1((aic)->tag, (aic)->bsh, (port)) + +#define aic_outb(aic, port, value) \ + bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value)) + +#define aic_insb(aic, port, addr, count) \ + bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) + +#define aic_outsb(aic, port, addr, count) \ + bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count)) + +#define aic_insw(aic, port, addr, count) \ + bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \ + (u_int16_t *)(addr), (count)) + +#define aic_outsw(aic, port, addr, count) \ + bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \ + (u_int16_t *)(addr), (count)) + +#define aic_insl(aic, port, addr, count) \ + bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \ + (u_int32_t *)(addr), (count)) + +#define aic_outsl(aic, port, addr, count) \ + bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \ + (u_int32_t *)(addr), (count)) + +extern int aic_probe __P((struct aic_softc *)); +extern int aic_attach __P((struct aic_softc *)); +extern int aic_detach __P((struct aic_softc *)); +extern void aic_intr __P((void *)); |