ia64/linux-2.6.18-xen.hg

view drivers/char/rio/host.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
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 */
33 #ifndef __rio_host_h__
34 #define __rio_host_h__
36 /*
37 ** the host structure - one per host card in the system.
38 */
40 #define MAX_EXTRA_UNITS 64
42 /*
43 ** Host data structure. This is used for the software equiv. of
44 ** the host.
45 */
46 struct Host {
47 unsigned char Type; /* RIO_EISA, RIO_MCA, ... */
48 unsigned char Ivec; /* POLLED or ivec number */
49 unsigned char Mode; /* Control stuff */
50 unsigned char Slot; /* Slot */
51 void __iomem *Caddr; /* KV address of DPRAM */
52 struct DpRam __iomem *CardP; /* KV address of DPRAM, with overlay */
53 unsigned long PaddrP; /* Phys. address of DPRAM */
54 char Name[MAX_NAME_LEN]; /* The name of the host */
55 unsigned int UniqueNum; /* host unique number */
56 spinlock_t HostLock; /* Lock structure for MPX */
57 unsigned int WorkToBeDone; /* set to true each interrupt */
58 unsigned int InIntr; /* Being serviced? */
59 unsigned int IntSrvDone; /* host's interrupt has been serviced */
60 void (*Copy) (void *, void __iomem *, int); /* copy func */
61 struct timer_list timer;
62 /*
63 ** I M P O R T A N T !
64 **
65 ** The rest of this data structure is cleared to zero after
66 ** a RIO_HOST_FOAD command.
67 */
69 unsigned long Flags; /* Whats going down */
70 #define RC_WAITING 0
71 #define RC_STARTUP 1
72 #define RC_RUNNING 2
73 #define RC_STUFFED 3
74 #define RC_READY 7
75 #define RUN_STATE 7
76 /*
77 ** Boot mode applies to the way in which hosts in this system will
78 ** boot RTAs
79 */
80 #define RC_BOOT_ALL 0x8 /* Boot all RTAs attached */
81 #define RC_BOOT_OWN 0x10 /* Only boot RTAs bound to this system */
82 #define RC_BOOT_NONE 0x20 /* Don't boot any RTAs (slave mode) */
84 struct Top Topology[LINKS_PER_UNIT]; /* one per link */
85 struct Map Mapping[MAX_RUP]; /* Mappings for host */
86 struct PHB __iomem *PhbP; /* Pointer to the PHB array */
87 unsigned short __iomem *PhbNumP; /* Ptr to Number of PHB's */
88 struct LPB __iomem *LinkStrP; /* Link Structure Array */
89 struct RUP __iomem *RupP; /* Sixteen real rups here */
90 struct PARM_MAP __iomem *ParmMapP; /* points to the parmmap */
91 unsigned int ExtraUnits[MAX_EXTRA_UNITS]; /* unknown things */
92 unsigned int NumExtraBooted; /* how many of the above */
93 /*
94 ** Twenty logical rups.
95 ** The first sixteen are the real Rup entries (above), the last four
96 ** are the link RUPs.
97 */
98 struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
99 int timeout_id; /* For calling 100 ms delays */
100 int timeout_sem; /* For calling 100 ms delays */
101 long locks; /* long req'd for set_bit --RR */
102 char ____end_marker____;
103 };
104 #define Control CardP->DpControl
105 #define SetInt CardP->DpSetInt
106 #define ResetTpu CardP->DpResetTpu
107 #define ResetInt CardP->DpResetInt
108 #define Signature CardP->DpSignature
109 #define Sram1 CardP->DpSram1
110 #define Sram2 CardP->DpSram2
111 #define Sram3 CardP->DpSram3
112 #define Scratch CardP->DpScratch
113 #define __ParmMapR CardP->DpParmMapR
114 #define SLX CardP->DpSlx
115 #define Revision CardP->DpRevision
116 #define Unique CardP->DpUnique
117 #define Year CardP->DpYear
118 #define Week CardP->DpWeek
120 #define RIO_DUMBPARM 0x0860 /* what not to expect */
122 #endif