Annotation of sys/dev/ic/dptvar.h, Revision 1.1.1.1
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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