dptvar.h revision 1.5.4.2 1 1.5.4.2 he /* $NetBSD: dptvar.h,v 1.5.4.2 2000/01/17 18:34:54 he Exp $ */
2 1.5.4.2 he
3 1.5.4.2 he /*
4 1.5.4.2 he * Copyright (c) 1999 Andy Doran <ad (at) NetBSD.org>
5 1.5.4.2 he * All rights reserved.
6 1.5.4.2 he *
7 1.5.4.2 he * Redistribution and use in source and binary forms, with or without
8 1.5.4.2 he * modification, are permitted provided that the following conditions
9 1.5.4.2 he * are met:
10 1.5.4.2 he * 1. Redistributions of source code must retain the above copyright
11 1.5.4.2 he * notice, this list of conditions and the following disclaimer.
12 1.5.4.2 he * 2. Redistributions in binary form must reproduce the above copyright
13 1.5.4.2 he * notice, this list of conditions and the following disclaimer in the
14 1.5.4.2 he * documentation and/or other materials provided with the distribution.
15 1.5.4.2 he *
16 1.5.4.2 he * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.5.4.2 he * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.5.4.2 he * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.5.4.2 he * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.5.4.2 he * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.5.4.2 he * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.5.4.2 he * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.5.4.2 he * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.5.4.2 he * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.5.4.2 he * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.5.4.2 he * SUCH DAMAGE.
27 1.5.4.2 he *
28 1.5.4.2 he */
29 1.5.4.2 he
30 1.5.4.2 he #ifndef _IC_DPTVAR_H_
31 1.5.4.2 he #define _IC_DPTVAR_H_ 1
32 1.5.4.2 he #ifdef _KERNEL
33 1.5.4.2 he
34 1.5.4.2 he #define CCB_OFF(sc,m) ((u_long)(m) - (u_long)((sc)->sc_ccbs))
35 1.5.4.2 he
36 1.5.4.2 he #define CCB_ALLOC 0x01 /* CCB allocated */
37 1.5.4.2 he #define CCB_ABORT 0x02 /* abort has been issued on this CCB */
38 1.5.4.2 he #define CCB_INTR 0x04 /* HBA interrupted for this CCB */
39 1.5.4.2 he #define CCB_PRIVATE 0x08 /* ours; don't talk to scsipi when done */
40 1.5.4.2 he
41 1.5.4.2 he struct dpt_ccb {
42 1.5.4.2 he struct eata_cp ccb_eata_cp; /* EATA command packet */
43 1.5.4.2 he struct eata_sg ccb_sg[DPT_SG_SIZE]; /* SG element list */
44 1.5.4.2 he volatile int ccb_flg; /* CCB flags */
45 1.5.4.2 he int ccb_timeout; /* timeout in ms */
46 1.5.4.2 he u_int32_t ccb_ccbpa; /* physical addr of this CCB */
47 1.5.4.2 he bus_dmamap_t ccb_dmamap_xfer; /* dmamap for data xfers */
48 1.5.4.2 he int ccb_hba_status; /* from status packet */
49 1.5.4.2 he int ccb_scsi_status; /* from status packet */
50 1.5.4.2 he int ccb_id; /* unique ID of this CCB */
51 1.5.4.2 he TAILQ_ENTRY(dpt_ccb) ccb_chain; /* link to next CCB */
52 1.5.4.2 he struct scsipi_sense_data ccb_sense; /* SCSI sense data on error */
53 1.5.4.2 he struct scsipi_xfer *ccb_xs; /* initiating SCSI command */
54 1.5.4.2 he };
55 1.5.4.2 he
56 1.5.4.2 he struct dpt_softc {
57 1.5.4.2 he struct device sc_dv; /* generic device data */
58 1.5.4.2 he bus_space_handle_t sc_ioh; /* bus space handle */
59 1.5.4.2 he struct scsipi_adapter sc_adapter;/* scsipi adapter */
60 1.5.4.2 he struct scsipi_link sc_link[3]; /* prototype link for each channel */
61 1.5.4.2 he struct eata_cfg sc_ec; /* EATA configuration data */
62 1.5.4.2 he bus_space_tag_t sc_iot; /* bus space tag */
63 1.5.4.2 he bus_dma_tag_t sc_dmat; /* bus DMA tag */
64 1.5.4.2 he bus_dmamap_t sc_dmamap_ccb; /* maps the CCBs */
65 1.5.4.2 he void *sc_ih; /* interrupt handler cookie */
66 1.5.4.2 he void *sc_sdh; /* shutdown hook */
67 1.5.4.2 he struct dpt_ccb *sc_ccbs; /* all our CCBs */
68 1.5.4.2 he struct eata_sp *sc_statpack; /* EATA status packet */
69 1.5.4.2 he int sc_spoff; /* status packet offset in dmamap */
70 1.5.4.2 he u_int32_t sc_sppa; /* status packet physical address */
71 1.5.4.2 he caddr_t sc_scr; /* scratch area */
72 1.5.4.2 he int sc_scrlen; /* scratch area length */
73 1.5.4.2 he int sc_scroff; /* scratch area offset in dmamap */
74 1.5.4.2 he u_int32_t sc_scrpa; /* scratch area physical address */
75 1.5.4.2 he int sc_hbaid[3]; /* ID of HBA on each channel */
76 1.5.4.2 he int sc_nccbs; /* number of CCBs available */
77 1.5.4.2 he int sc_open; /* device is open */
78 1.5.4.2 he TAILQ_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */
79 1.5.4.2 he TAILQ_HEAD(, scsipi_xfer) sc_queue;/* pending commands */
80 1.5.4.2 he };
81 1.5.4.2 he
82 1.5.4.2 he int dpt_intr __P((void *));
83 1.5.4.2 he int dpt_readcfg __P((struct dpt_softc *));
84 1.5.4.2 he void dpt_init __P((struct dpt_softc *, const char *));
85 1.5.4.2 he void dpt_shutdown __P((void *));
86 1.5.4.2 he void dpt_timeout __P((void *));
87 1.5.4.2 he void dpt_minphys __P((struct buf *));
88 1.5.4.2 he int dpt_scsi_cmd __P((struct scsipi_xfer *));
89 1.5.4.2 he int dpt_wait __P((struct dpt_softc *, u_int8_t, u_int8_t, int));
90 1.5.4.2 he int dpt_poll __P((struct dpt_softc *, struct dpt_ccb *));
91 1.5.4.2 he int dpt_cmd __P((struct dpt_softc *, struct eata_cp *, u_int32_t, int, int));
92 1.5.4.2 he void dpt_hba_inquire __P((struct dpt_softc *, struct eata_inquiry_data **));
93 1.5.4.2 he void dpt_reset_ccb __P((struct dpt_softc *, struct dpt_ccb *));
94 1.5.4.2 he void dpt_free_ccb __P((struct dpt_softc *, struct dpt_ccb *));
95 1.5.4.2 he void dpt_done_ccb __P((struct dpt_softc *, struct dpt_ccb *));
96 1.5.4.2 he int dpt_init_ccb __P((struct dpt_softc *, struct dpt_ccb *));
97 1.5.4.2 he int dpt_create_ccbs __P((struct dpt_softc *, struct dpt_ccb *, int));
98 1.5.4.2 he struct dpt_ccb *dpt_alloc_ccb __P((struct dpt_softc *, int));
99 1.5.4.2 he #ifdef DEBUG
100 1.5.4.2 he void dpt_dump_sp __P((struct eata_sp *));
101 1.5.4.2 he #endif
102 1.5.4.2 he
103 1.5.4.2 he #endif /* _KERNEL */
104 1.5.4.2 he #endif /* !defined _IC_DPTVAR_H_ */
105