76db0ab017
- enable 10MHz (fast SCSI) operation on boards that support it. (only aic6360 boards with fast SCSI enabled can do it) - bounds check sync periods and offsets passed in from the transport layer - tell the user which resource allocation failed (for the ISA probe) if we weren't able to allocate an IRQ, DRQ or I/O port.
157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
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];
|
|
|
|
int min_period;
|
|
int max_period;
|
|
};
|
|
|
|
#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_FAST_ENABLE 0x80
|
|
|
|
#define AIC_IDLE 0x00
|
|
#define AIC_SELECTING 0x01
|
|
#define AIC_RESELECTED 0x02
|
|
#define AIC_RECONNECTING 0x03
|
|
#define AIC_HASNEXUS 0x04
|
|
|
|
#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_FAST_SYNC_PERIOD (100 / 4)
|
|
#define AIC_MIN_SYNC_PERIOD 112
|
|
#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 *));
|