summaryrefslogtreecommitdiff
path: root/drivers/char/rio/host.h
blob: 79a55301f06ba5a0254705f987ac60ca2ed4161e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
** -----------------------------------------------------------------------------
**
**  Perle Specialix driver for Linux
**  Ported from existing RIO Driver for SCO sources.
 *
 *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
**	Module		: host.h
**	SID		: 1.2
**	Last Modified	: 11/6/98 11:34:10
**	Retrieved	: 11/6/98 11:34:21
**
**  ident @(#)host.h	1.2
**
** -----------------------------------------------------------------------------
*/

#ifndef __rio_host_h__
#define __rio_host_h__

#ifdef SCCS_LABELS
#ifndef lint
static char *_host_h_sccs_ = "@(#)host.h	1.2";
#endif
#endif

/*
** the host structure - one per host card in the system.
*/

#define	MAX_EXTRA_UNITS	64

/*
**    Host data structure. This is used for the software equiv. of
**    the host.
*/
struct Host {
	unsigned char Type;		/* RIO_EISA, RIO_MCA, ... */
	unsigned char Ivec;		/* POLLED or ivec number */
	unsigned char Mode;		/* Control stuff */
	unsigned char Slot;		/* Slot */
	caddr_t Caddr;			/* KV address of DPRAM */
	struct DpRam *CardP;		/* KV address of DPRAM, with overlay */
	paddr_t PaddrP;			/* Phys. address of DPRAM */
	char Name[MAX_NAME_LEN];	/* The name of the host */
	unsigned int UniqueNum;		/* host unique number */
	spinlock_t HostLock;	/* Lock structure for MPX */
	unsigned int WorkToBeDone;	/* set to true each interrupt */
	unsigned int InIntr;		/* Being serviced? */
	unsigned int IntSrvDone;	/* host's interrupt has been serviced */
	void (*Copy) (void *, void *, int);	/* copy func */
	struct timer_list timer;
	/*
	 **               I M P O R T A N T !
	 **
	 ** The rest of this data structure is cleared to zero after
	 ** a RIO_HOST_FOAD command.
	 */

	unsigned long Flags;			/* Whats going down */
#define RC_WAITING            0
#define RC_STARTUP            1
#define RC_RUNNING            2
#define RC_STUFFED            3
#define RC_SOMETHING          4
#define RC_SOMETHING_NEW      5
#define RC_SOMETHING_ELSE     6
#define RC_READY              7
#define RUN_STATE             7
/*
** Boot mode applies to the way in which hosts in this system will
** boot RTAs
*/
#define RC_BOOT_ALL           0x8		/* Boot all RTAs attached */
#define RC_BOOT_OWN           0x10		/* Only boot RTAs bound to this system */
#define RC_BOOT_NONE          0x20		/* Don't boot any RTAs (slave mode) */

	struct Top Topology[LINKS_PER_UNIT];	/* one per link */
	struct Map Mapping[MAX_RUP];		/* Mappings for host */
	struct PHB *PhbP;			/* Pointer to the PHB array */
	unsigned short *PhbNumP;		/* Ptr to Number of PHB's */
	struct LPB *LinkStrP;			/* Link Structure Array */
	struct RUP *RupP;			/* Sixteen real rups here */
	struct PARM_MAP *ParmMapP;		/* points to the parmmap */
	unsigned int ExtraUnits[MAX_EXTRA_UNITS];	/* unknown things */
	unsigned int NumExtraBooted;		/* how many of the above */
	/*
	 ** Twenty logical rups.
	 ** The first sixteen are the real Rup entries (above), the last four
	 ** are the link RUPs.
	 */
	struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
	int timeout_id;				/* For calling 100 ms delays */
	int timeout_sem;			/* For calling 100 ms delays */
	long locks;				/* long req'd for set_bit --RR */
	char ____end_marker____;
};
#define Control      CardP->DpControl
#define SetInt       CardP->DpSetInt
#define ResetTpu     CardP->DpResetTpu
#define ResetInt     CardP->DpResetInt
#define Signature    CardP->DpSignature
#define Sram1        CardP->DpSram1
#define Sram2        CardP->DpSram2
#define Sram3        CardP->DpSram3
#define Scratch      CardP->DpScratch
#define __ParmMapR   CardP->DpParmMapR
#define SLX          CardP->DpSlx
#define Revision     CardP->DpRevision
#define Unique       CardP->DpUnique
#define Year         CardP->DpYear
#define Week         CardP->DpWeek

#define RIO_DUMBPARM 0x0860	/* what not to expect */

#endif