File: /usr/src/linux/drivers/char/rio/host.h
1 /*
2 ** -----------------------------------------------------------------------------
3 **
4 ** Perle Specialix driver for Linux
5 ** Ported from existing RIO Driver for SCO sources.
6 *
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 **
23 ** Module : host.h
24 ** SID : 1.2
25 ** Last Modified : 11/6/98 11:34:10
26 ** Retrieved : 11/6/98 11:34:21
27 **
28 ** ident @(#)host.h 1.2
29 **
30 ** -----------------------------------------------------------------------------
31 */
32
33 #ifndef __rio_host_h__
34 #define __rio_host_h__
35
36 #ifdef SCCS_LABELS
37 #ifndef lint
38 static char *_host_h_sccs_ = "@(#)host.h 1.2";
39 #endif
40 #endif
41
42 /*
43 ** the host structure - one per host card in the system.
44 */
45
46 #define MAX_EXTRA_UNITS 64
47
48 /*
49 ** Host data structure. This is used for the software equiv. of
50 ** the host.
51 */
52 struct Host
53 {
54 uchar Type; /* RIO_EISA, RIO_MCA, ... */
55 uchar Ivec; /* POLLED or ivec number */
56 uchar Mode; /* Control stuff */
57 uchar Slot; /* Slot */
58 volatile caddr_t Caddr; /* KV address of DPRAM */
59 volatile struct DpRam *CardP; /* KV address of DPRAM, with overlay */
60 paddr_t PaddrP; /* Phys. address of DPRAM */
61 char Name[MAX_NAME_LEN]; /* The name of the host */
62 uint UniqueNum; /* host unique number */
63 spinlock_t HostLock; /* Lock structure for MPX */
64 /*struct pci_devinfo PciDevInfo; *//* PCI Bus/Device/Function stuff */
65 /*struct lockb HostLock; *//* Lock structure for MPX */
66 uint WorkToBeDone; /* set to true each interrupt */
67 uint InIntr; /* Being serviced? */
68 uint IntSrvDone;/* host's interrupt has been serviced */
69 int (*Copy)( caddr_t, caddr_t, int ); /* copy func */
70 struct timer_list timer;
71 /*
72 ** I M P O R T A N T !
73 **
74 ** The rest of this data structure is cleared to zero after
75 ** a RIO_HOST_FOAD command.
76 */
77
78 ulong Flags; /* Whats going down */
79 #define RC_WAITING 0
80 #define RC_STARTUP 1
81 #define RC_RUNNING 2
82 #define RC_STUFFED 3
83 #define RC_SOMETHING 4
84 #define RC_SOMETHING_NEW 5
85 #define RC_SOMETHING_ELSE 6
86 #define RC_READY 7
87 #define RUN_STATE 7
88 /*
89 ** Boot mode applies to the way in which hosts in this system will
90 ** boot RTAs
91 */
92 #define RC_BOOT_ALL 0x8 /* Boot all RTAs attached */
93 #define RC_BOOT_OWN 0x10 /* Only boot RTAs bound to this system */
94 #define RC_BOOT_NONE 0x20 /* Don't boot any RTAs (slave mode) */
95
96 struct Top Topology[LINKS_PER_UNIT]; /* one per link */
97 struct Map Mapping[MAX_RUP]; /* Mappings for host */
98 struct PHB *PhbP; /* Pointer to the PHB array */
99 ushort *PhbNumP; /* Ptr to Number of PHB's */
100 struct LPB *LinkStrP ; /* Link Structure Array */
101 struct RUP *RupP; /* Sixteen real rups here */
102 struct PARM_MAP *ParmMapP; /* points to the parmmap */
103 uint ExtraUnits[MAX_EXTRA_UNITS]; /* unknown things */
104 uint NumExtraBooted; /* how many of the above */
105 /*
106 ** Twenty logical rups.
107 ** The first sixteen are the real Rup entries (above), the last four
108 ** are the link RUPs.
109 */
110 struct UnixRup UnixRups[MAX_RUP+LINKS_PER_UNIT];
111 int timeout_id; /* For calling 100 ms delays */
112 int timeout_sem;/* For calling 100 ms delays */
113 long locks; /* long req'd for set_bit --RR */
114 char ____end_marker____;
115 };
116 #define Control CardP->DpControl
117 #define SetInt CardP->DpSetInt
118 #define ResetTpu CardP->DpResetTpu
119 #define ResetInt CardP->DpResetInt
120 #define Signature CardP->DpSignature
121 #define Sram1 CardP->DpSram1
122 #define Sram2 CardP->DpSram2
123 #define Sram3 CardP->DpSram3
124 #define Scratch CardP->DpScratch
125 #define __ParmMapR CardP->DpParmMapR
126 #define SLX CardP->DpSlx
127 #define Revision CardP->DpRevision
128 #define Unique CardP->DpUnique
129 #define Year CardP->DpYear
130 #define Week CardP->DpWeek
131
132 #define RIO_DUMBPARM 0x0860 /* what not to expect */
133
134 #endif
135