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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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src
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machserver
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1.098
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include
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dev
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vmelink.h
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C/C++ Source or Header
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1991-03-14
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3KB
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99 lines
/*
* vmelink.h --
*
* Declarations of interface to the Bit-3 VME link driver routines.
*
* Copyright 1990 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*
* $Header: /sprite/src/lib/include/dev/RCS/vmelink.h,v 1.1 90/12/05 12:25:40 elm Exp $ SPRITE (Berkeley)
*/
#ifndef _VMELINK
#define _VMELINK
/*
* Size of the VME link useful address space in pages.
*/
#define VMELINK_VME_START_ADDR 0xff400000
#define VMELINK_VME_ADDR_SIZE 0x00020000
#define VMELINK_NUM_PAGES (VMELINK_VME_ADDR_SIZE / PAGSIZ)
/*
* Flags used to set the local command register.
*/
#define VMELINK_CLEAR_LOCAL_ERRS 0x80
#define VMELINK_CLEAR_LOCAL_PF_INT 0x40
#define VMELINK_SET_REMOTE_PT_INT 0x20
#define VMELINK_DISABLE_LOCAL_INT 0x04
/*
* Flags in the status registers.
*/
#define VMELINK_PARITY_ERROR 0x80
#define VMELINK_REMOTE_BUSERR 0x40
#define VMELINK_LOCAL_PR_INT 0x20
#define VMELINK_LOCAL_PT_INT 0x02
#define VMELINK_REMOTE_DOWN 0x01
/*
* Flags used to set remote command register 1.
*/
#define VMELINK_REMOTE_RESET 0x80
#define VMELINK_CLEAR_REMOTE_PT_INT 0x40
#define VMELINK_SET_REMOTE_PR_INT 0x20
#define VMELINK_LOCK_VME 0x10
#define VMELINK_USE_PAGE_REG 0x08
/*
* Flags used to set remote command register 2.
*/
#define VMELINK_REMOTE_USE_ADDRMOD 0x40
#define VMELINK_REMOTE_BLKMODE_DMA 0x20
#define VMELINK_DISABLE_REMOTE_INT 0x10
/*
* Window size flags (for IOC_VMELINK_SET_WINDOW_SIZE IO control).
*/
#define VMELINK_WINDOW_SIZE_64K 0x00
#define VMELINK_WINDOW_SIZE_128K 0x01
#define VMELINK_WINDOW_SIZE_256K 0x03
#define VMELINK_WINDOW_SIZE_512K 0x07
#define VMELINK_WINDOW_SIZE_1M 0x0f
/*
* Used in the IOControl status call.
*/
typedef struct VMElinkStatus {
int LocalStatus;
int RemoteStatus;
} VMElinkStatus;
/*
* Structure used to map VME bus addresses into kernel memory.
*/
typedef struct VMElinkMapRequest {
void *VMEAddress; /* VME address to map */
int mapSize; /* number of bytes to map in */
void *kernelAddress; /* resulting kernel address */
} VMElinkMapRequest;
#define IOC_VMELINK (13 << 16)
#define IOC_VMELINK_STATUS (IOC_VMELINK | 0x1)
#define IOC_VMELINK_PING_REMOTE (IOC_VMELINK | 0x3)
#define IOC_VMELINK_MAP_MEMORY (IOC_VMELINK | 0x4)
#define IOC_VMELINK_NO_ADDRMOD (IOC_VMELINK | 0x5)
#define IOC_VMELINK_SET_ADDRMOD (IOC_VMELINK | 0x6)
#define IOC_VMELINK_NO_WINDOW (IOC_VMELINK | 0x7)
#define IOC_VMELINK_SET_WINDOW (IOC_VMELINK | 0x8)
#define IOC_VMELINK_SET_WINDOW_SIZE (IOC_VMELINK | 0x9)
#endif /* _VMELINK */