Annotation of sys/dev/ic/dptvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dptvar.h,v 1.2 2002/03/14 01:26:54 millert Exp $ */
! 2: /* $NetBSD: dptvar.h,v 1.5 1999/10/23 16:26:32 ad Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: *
! 29: */
! 30:
! 31: #ifndef _IC_DPTVAR_H_
! 32: #define _IC_DPTVAR_H_ 1
! 33: #ifdef _KERNEL
! 34:
! 35: #define CCB_OFF(sc,m) ((u_long)(m) - (u_long)((sc)->sc_ccbs))
! 36:
! 37: #define CCB_ALLOC 0x01 /* CCB allocated */
! 38: #define CCB_ABORT 0x02 /* abort has been issued on this CCB */
! 39: #define CCB_INTR 0x04 /* HBA interrupted for this CCB */
! 40: #define CCB_PRIVATE 0x08 /* ours; don't talk to scsipi when done */
! 41:
! 42: struct dpt_ccb {
! 43: struct eata_cp ccb_eata_cp; /* EATA command packet */
! 44: struct eata_sg ccb_sg[DPT_SG_SIZE]; /* SG element list */
! 45: volatile int ccb_flg; /* CCB flags */
! 46: int ccb_timeout; /* timeout in ms */
! 47: u_int32_t ccb_ccbpa; /* physical addr of this CCB */
! 48: bus_dmamap_t ccb_dmamap_xfer; /* dmamap for data xfers */
! 49: int ccb_hba_status; /* from status packet */
! 50: int ccb_scsi_status; /* from status packet */
! 51: int ccb_id; /* unique ID of this CCB */
! 52: TAILQ_ENTRY(dpt_ccb) ccb_chain; /* link to next CCB */
! 53: #ifdef __NetBSD__
! 54: struct scsipi_sense_data ccb_sense; /* SCSI sense data on error */
! 55: struct scsipi_xfer *ccb_xs; /* initiating SCSI command */
! 56: #endif /* __NetBSD__ */
! 57: #ifdef __OpenBSD__
! 58: struct scsi_sense_data ccb_sense;
! 59: struct scsi_xfer *ccb_xs;
! 60: #endif /* __OpenBSD__ */
! 61: };
! 62:
! 63: struct dpt_softc {
! 64: struct device sc_dv; /* generic device data */
! 65: bus_space_handle_t sc_ioh; /* bus space handle */
! 66: #ifdef __NetBSD__
! 67: struct scsipi_adapter sc_adapter;/* scsipi adapter */
! 68: struct scsipi_link sc_link[3]; /* prototype link for each channel */
! 69: #endif /* __NetBSD__ */
! 70: #ifdef __OpenBSD__
! 71: struct scsi_adapter sc_adapter;/* scsipi adapter */
! 72: struct scsi_link sc_link[3]; /* prototype link for each channel */
! 73: #endif /* __OpenBSD__ */
! 74: struct eata_cfg sc_ec; /* EATA configuration data */
! 75: bus_space_tag_t sc_iot; /* bus space tag */
! 76: bus_dma_tag_t sc_dmat; /* bus DMA tag */
! 77: bus_dmamap_t sc_dmamap_ccb; /* maps the CCBs */
! 78: void *sc_ih; /* interrupt handler cookie */
! 79: void *sc_sdh; /* shutdown hook */
! 80: struct dpt_ccb *sc_ccbs; /* all our CCBs */
! 81: struct eata_sp *sc_statpack; /* EATA status packet */
! 82: int sc_spoff; /* status packet offset in dmamap */
! 83: u_int32_t sc_sppa; /* status packet physical address */
! 84: caddr_t sc_scr; /* scratch area */
! 85: int sc_scrlen; /* scratch area length */
! 86: int sc_scroff; /* scratch area offset in dmamap */
! 87: u_int32_t sc_scrpa; /* scratch area physical address */
! 88: int sc_hbaid[3]; /* ID of HBA on each channel */
! 89: int sc_nccbs; /* number of CCBs available */
! 90: int sc_open; /* device is open */
! 91: TAILQ_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */
! 92: #ifdef __NetBSD__
! 93: TAILQ_HEAD(, scsipi_xfer) sc_queue;/* pending commands */
! 94: #endif /* __NetBSD__ */
! 95: #ifdef __OpenBSD__
! 96: LIST_HEAD(, scsi_xfer) sc_queue;/* pending commands */
! 97: struct scsi_xfer *sc_queuelast;
! 98: #endif /* __NetBSD__ */
! 99: };
! 100:
! 101: int dpt_intr(void *);
! 102: int dpt_readcfg(struct dpt_softc *);
! 103: void dpt_init(struct dpt_softc *, const char *);
! 104: void dpt_shutdown(void *);
! 105: void dpt_timeout(void *);
! 106: void dpt_minphys(struct buf *);
! 107: #ifdef __NetBSD__
! 108: int dpt_scsi_cmd(struct scsipi_xfer *);
! 109: #endif /* __NetBSD__ */
! 110: #ifdef __OpenBSD__
! 111: int dpt_scsi_cmd(struct scsi_xfer *);
! 112: #endif /* __OpenBSD__ */
! 113: int dpt_wait(struct dpt_softc *, u_int8_t, u_int8_t, int);
! 114: int dpt_poll(struct dpt_softc *, struct dpt_ccb *);
! 115: int dpt_cmd(struct dpt_softc *, struct eata_cp *, u_int32_t, int, int);
! 116: void dpt_hba_inquire(struct dpt_softc *, struct eata_inquiry_data **);
! 117: void dpt_reset_ccb(struct dpt_softc *, struct dpt_ccb *);
! 118: void dpt_free_ccb(struct dpt_softc *, struct dpt_ccb *);
! 119: void dpt_done_ccb(struct dpt_softc *, struct dpt_ccb *);
! 120: int dpt_init_ccb(struct dpt_softc *, struct dpt_ccb *);
! 121: int dpt_create_ccbs(struct dpt_softc *, struct dpt_ccb *, int);
! 122: struct dpt_ccb *dpt_alloc_ccb(struct dpt_softc *, int);
! 123: #ifdef DEBUG
! 124: void dpt_dump_sp(struct eata_sp *);
! 125: #endif
! 126:
! 127: #endif /* _KERNEL */
! 128: #endif /* !defined _IC_DPTVAR_H_ */
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