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/* $OpenBSD: amivar.h,v 1.5 2002/03/14 01:26:54 millert Exp $ */
/*
* Copyright (c) 2001 Michael Shalayeff
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 HIS RELATIVES 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 MIND, 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.
*/
struct ami_softc;
struct ami_ccb {
struct ami_softc *ccb_sc;
struct ami_iocmd *ccb_cmd;
paddr_t ccb_cmdpa;
struct ami_sgent *ccb_sglist;
paddr_t ccb_sglistpa;
struct scsi_xfer *ccb_xs;
struct ami_ccb *ccb_ccb1; /* for passthrough */
TAILQ_ENTRY(ami_ccb) ccb_link;
enum {
AMI_CCB_FREE, AMI_CCB_READY, AMI_CCB_QUEUED, AMI_CCB_PREQUEUED
} ccb_state;
int ccb_len;
void *ccb_data;
bus_dmamap_t ccb_dmamap;
};
typedef TAILQ_HEAD(ami_queue_head, ami_ccb) ami_queue_head;
struct ami_rawsoftc {
struct scsi_link sc_link;
struct ami_softc *sc_softc;
u_int8_t sc_channel;
};
struct ami_softc {
struct device sc_dev;
void *sc_ih;
struct scsi_link sc_link;
u_int sc_flags;
/* low-level interface */
int (*sc_init)(struct ami_softc *sc);
int (*sc_exec)(struct ami_softc *sc, struct ami_iocmd *);
int (*sc_done)(struct ami_softc *sc, struct ami_iocmd *);
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_dma_tag_t dmat;
volatile struct ami_iocmd *sc_mbox;
paddr_t sc_mbox_pa;
struct ami_ccb sc_ccbs[AMI_MAXCMDS];
ami_queue_head sc_free_ccb, sc_ccbq, sc_ccbdone;
void *sc_cmds;
bus_dmamap_t sc_cmdmap;
bus_dma_segment_t sc_cmdseg[1];
void *sc_sgents;
bus_dmamap_t sc_sgmap;
bus_dma_segment_t sc_sgseg[1];
int sc_timeout;
struct timeout sc_requeue_tmo;
struct timeout sc_poll_tmo;
char sc_fwver[16];
char sc_biosver[16];
int sc_maxcmds;
int sc_memory;
int sc_targets;
int sc_channels;
int sc_maxunits;
int sc_nunits;
struct {
u_int8_t hd_present;
u_int8_t hd_is_logdrv;
u_int8_t hd_heads;
u_int8_t hd_secs;
u_int8_t hd_prop;
u_int8_t hd_stat;
u_int32_t hd_size;
} sc_hdr[AMI_BIG_MAX_LDRIVES];
struct ami_rawsoftc *sc_rawsoftcs;
};
/* XXX These have to become spinlocks in case of SMP */
#define AMI_LOCK_AMI(sc) splbio()
#define AMI_UNLOCK_AMI(sc, lock) splx(lock)
typedef int ami_lock_t;
int ami_attach(struct ami_softc *sc);
int ami_intr(void *);
int ami_quartz_init(struct ami_softc *sc);
int ami_quartz_exec(struct ami_softc *sc, struct ami_iocmd *);
int ami_quartz_done(struct ami_softc *sc, struct ami_iocmd *);
int ami_schwartz_init(struct ami_softc *sc);
int ami_schwartz_exec(struct ami_softc *sc, struct ami_iocmd *);
int ami_schwartz_done(struct ami_softc *sc, struct ami_iocmd *);
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