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/* $OpenBSD: dptvar.h,v 1.11 2013/05/30 16:15:02 deraadt Exp $ */
/* $NetBSD: dptvar.h,v 1.5 1999/10/23 16:26:32 ad Exp $ */
/*
* Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
* 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.
*
*/
#ifndef _IC_DPTVAR_H_
#define _IC_DPTVAR_H_ 1
#ifdef _KERNEL
#define CCB_OFF(sc,m) ((u_long)(m) - (u_long)((sc)->sc_ccbs))
#define CCB_ALLOC 0x01 /* CCB allocated */
#define CCB_ABORT 0x02 /* abort has been issued on this CCB */
#define CCB_INTR 0x04 /* HBA interrupted for this CCB */
#define CCB_PRIVATE 0x08 /* ours; don't talk to scsipi when done */
struct dpt_ccb {
struct eata_cp ccb_eata_cp; /* EATA command packet */
struct eata_sg ccb_sg[DPT_SG_SIZE]; /* SG element list */
volatile int ccb_flg; /* CCB flags */
int ccb_timeout; /* timeout in ms */
u_int32_t ccb_ccbpa; /* physical addr of this CCB */
bus_dmamap_t ccb_dmamap_xfer; /* dmamap for data xfers */
int ccb_hba_status; /* from status packet */
int ccb_scsi_status; /* from status packet */
int ccb_id; /* unique ID of this CCB */
SLIST_ENTRY(dpt_ccb) ccb_chain; /* link to next CCB */
struct scsi_sense_data ccb_sense;
struct scsi_xfer *ccb_xs;
};
struct dpt_channel {
struct dpt_softc *ch_sc;
int ch_index;
};
struct dpt_softc {
struct device sc_dv; /* generic device data */
bus_space_handle_t sc_ioh; /* bus space handle */
struct scsi_link sc_link[3]; /* prototype link for each channel */
struct dpt_channel sc_channel[3];
struct eata_cfg sc_ec; /* EATA configuration data */
bus_space_tag_t sc_iot; /* bus space tag */
bus_dma_tag_t sc_dmat; /* bus DMA tag */
bus_dmamap_t sc_dmamap_ccb; /* maps the CCBs */
void *sc_ih; /* interrupt handler cookie */
struct dpt_ccb *sc_ccbs; /* all our CCBs */
struct eata_sp *sc_statpack; /* EATA status packet */
int sc_spoff; /* status packet offset in dmamap */
u_int32_t sc_sppa; /* status packet physical address */
caddr_t sc_scr; /* scratch area */
int sc_scrlen; /* scratch area length */
int sc_scroff; /* scratch area offset in dmamap */
u_int32_t sc_scrpa; /* scratch area physical address */
int sc_hbaid[3]; /* ID of HBA on each channel */
int sc_nccbs; /* number of CCBs available */
int sc_open; /* device is open */
SLIST_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */
struct mutex sc_ccb_mtx; /* free ccb list mutex */
struct scsi_iopool sc_iopool;
};
int dpt_intr(void *);
int dpt_readcfg(struct dpt_softc *);
void dpt_init(struct dpt_softc *, const char *);
void dpt_shutdown(void *);
void dpt_timeout(void *);
void dpt_minphys(struct buf *, struct scsi_link *);
void dpt_scsi_cmd(struct scsi_xfer *);
int dpt_wait(struct dpt_softc *, u_int8_t, u_int8_t, int);
int dpt_poll(struct dpt_softc *, struct dpt_ccb *);
int dpt_cmd(struct dpt_softc *, struct eata_cp *, u_int32_t, int, int);
void dpt_hba_inquire(struct dpt_softc *, struct eata_inquiry_data **);
void dpt_reset_ccb(struct dpt_softc *, struct dpt_ccb *);
void dpt_done_ccb(struct dpt_softc *, struct dpt_ccb *);
int dpt_init_ccb(struct dpt_softc *, struct dpt_ccb *);
int dpt_create_ccbs(struct dpt_softc *, struct dpt_ccb *, int);
#ifdef DEBUG
void dpt_dump_sp(struct eata_sp *);
#endif
#endif /* _KERNEL */
#endif /* !defined _IC_DPTVAR_H_ */
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