dptvar.h revision 1.4.2.2
1 /* $NetBSD: dptvar.h,v 1.4.2.2 2000/11/20 11:40:32 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Andrew Doran <ad (at) NetBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef _IC_DPTVAR_H_ 31 #define _IC_DPTVAR_H_ 1 32 #ifdef _KERNEL 33 34 #define CCB_OFF(sc,m) ((u_long)(m) - (u_long)((sc)->sc_ccbs)) 35 36 #define CCB_ABORT 0x01 /* abort has been issued on this CCB */ 37 #define CCB_INTR 0x02 /* HBA interrupted for this CCB */ 38 #define CCB_PRIVATE 0x04 /* ours; don't talk to scsipi when done */ 39 40 struct dpt_ccb { 41 /* Data that will be touched by the HBA */ 42 struct eata_cp ccb_eata_cp; /* EATA command packet */ 43 struct eata_sg ccb_sg[DPT_SG_SIZE]; /* SG element list */ 44 struct scsipi_sense_data ccb_sense; /* SCSI sense data on error */ 45 46 /* Data that will not be touched by the HBA */ 47 volatile int ccb_flg; /* CCB flags */ 48 int ccb_timeout; /* timeout in ms */ 49 u_int32_t ccb_ccbpa; /* physical addr of this CCB */ 50 bus_dmamap_t ccb_dmamap_xfer; /* dmamap for data xfers */ 51 int ccb_hba_status; /* from status packet */ 52 int ccb_scsi_status; /* from status packet */ 53 int ccb_id; /* unique ID of this CCB */ 54 TAILQ_ENTRY(dpt_ccb) ccb_chain; /* link to next CCB */ 55 struct scsipi_xfer *ccb_xs; /* initiating SCSI command */ 56 }; 57 58 struct dpt_softc { 59 struct device sc_dv; /* generic device data */ 60 bus_space_handle_t sc_ioh; /* bus space handle */ 61 struct scsipi_adapter sc_adapter;/* scsipi adapter */ 62 struct scsipi_channel sc_channels[3]; /* each channel */ 63 bus_space_tag_t sc_iot; /* bus space tag */ 64 bus_dma_tag_t sc_dmat; /* bus DMA tag */ 65 bus_dmamap_t sc_dmamap; /* maps the CCBs */ 66 int sc_dmamapsize; /* size of above map in bytes */ 67 void *sc_ih; /* interrupt handler cookie */ 68 struct dpt_ccb *sc_ccbs; /* all our CCBs */ 69 struct eata_sp *sc_stp; /* EATA status packet */ 70 int sc_stpoff; /* status packet offset in dmamap */ 71 u_int32_t sc_stppa; /* status packet physical address */ 72 caddr_t sc_scr; /* scratch area */ 73 int sc_scrlen; /* scratch area length */ 74 int sc_scroff; /* scratch area offset in dmamap */ 75 u_int32_t sc_scrpa; /* scratch area physical address */ 76 int sc_hbaid[3]; /* ID of HBA on each channel */ 77 int sc_nccbs; /* number of CCBs available */ 78 TAILQ_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */ 79 TAILQ_ENTRY(dpt_softc) sc_chain;/* link to next HBA's softc */ 80 struct eata_cfg sc_ec; /* EATA configuration data */ 81 }; 82 83 int dpt_intr __P((void *)); 84 int dpt_readcfg __P((struct dpt_softc *)); 85 void dpt_init __P((struct dpt_softc *, const char *)); 86 void dpt_shutdown __P((void *)); 87 void dpt_timeout __P((void *)); 88 void dpt_minphys __P((struct buf *)); 89 void dpt_scsipi_request __P((struct scsipi_channel *, 90 scsipi_adapter_req_t, void *)); 91 int dpt_wait __P((struct dpt_softc *, u_int8_t, u_int8_t, int)); 92 int dpt_poll __P((struct dpt_softc *, struct dpt_ccb *)); 93 int dpt_cmd __P((struct dpt_softc *, struct eata_cp *, u_int32_t, int, int)); 94 void dpt_hba_inquire __P((struct dpt_softc *, struct eata_inquiry_data **)); 95 void dpt_reset_ccb __P((struct dpt_softc *, struct dpt_ccb *)); 96 void dpt_free_ccb __P((struct dpt_softc *, struct dpt_ccb *)); 97 void dpt_done_ccb __P((struct dpt_softc *, struct dpt_ccb *)); 98 int dpt_init_ccb __P((struct dpt_softc *, struct dpt_ccb *)); 99 int dpt_create_ccbs __P((struct dpt_softc *, struct dpt_ccb *, int)); 100 struct dpt_ccb *dpt_alloc_ccb __P((struct dpt_softc *)); 101 102 #endif /* _KERNEL */ 103 #endif /* !defined _IC_DPTVAR_H_ */ 104
Indexes created Sun Oct 19 02:09:48 GMT 2025