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diff --git a/drivers/char/rio/host.h b/drivers/char/rio/host.h
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+/*
+** -----------------------------------------------------------------------------
+**
+** 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__
+
+/*
+** 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 {
+ struct pci_dev *pdev;
+ unsigned char Type; /* RIO_EISA, RIO_MCA, ... */
+ unsigned char Ivec; /* POLLED or ivec number */
+ unsigned char Mode; /* Control stuff */
+ unsigned char Slot; /* Slot */
+ void __iomem *Caddr; /* KV address of DPRAM */
+ struct DpRam __iomem *CardP; /* KV address of DPRAM, with overlay */
+ unsigned long 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 __iomem *, 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_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 __iomem *PhbP; /* Pointer to the PHB array */
+ unsigned short __iomem *PhbNumP; /* Ptr to Number of PHB's */
+ struct LPB __iomem *LinkStrP; /* Link Structure Array */
+ struct RUP __iomem *RupP; /* Sixteen real rups here */
+ struct PARM_MAP __iomem *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 */
+ unsigned 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
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