/* $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_ */