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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1991 Microsoft Corporation
Copyright (c) 1992, 1993 Digital Equipment Corporation
Module Name:
halisa.h
Abstract:
This header file defines the private Hardware Architecture Layer (HAL)
EISA/ISA specific interfaces, defines and structures.
Author:
Jeff Havens (jhavens) 20-Jun-91
Jeff McLeman (mcleman) 01-Jun-1992
Revision History:
17-Jul-1992 Jeff McLeman (mcleman)
Remove adapter object structure from here.
01-Jun-1992 Jeff McLeman
modify for Jensen EISA/ISA
--*/
#ifndef _HALISA_
#define _HALISA_
//
// The MAXIMUM_MAP_BUFFER_SIZE defines the maximum map buffers which the system
// will allocate for devices which require phyically contigous buffers.
//
#define MAXIMUM_MAP_BUFFER_SIZE 0x40000
//
// Define the initial buffer allocation size for a map buffers for systems with
// no memory which has a physical address greater than MAXIMUM_PHYSICAL_ADDRESS.
//
#define INITIAL_MAP_BUFFER_SMALL_SIZE 0x10000
//
// Define the initial buffer allocation size for a map buffers for systems with
// no memory which has a physical address greater than MAXIMUM_PHYSICAL_ADDRESS.
//
#define INITIAL_MAP_BUFFER_LARGE_SIZE 0x30000
//
// Define the incremental buffer allocation for a map buffers.
//
#define INCREMENT_MAP_BUFFER_SIZE 0x10000
//
// Define the maximum number of map registers that can be requested at one time
// if actual map registers are required for the transfer.
//
#define __64K (0x10000)
#define MAXIMUM_ISA_MAP_REGISTER (__64K >> PAGE_SHIFT)
//
// Define the maximum physical address which can be handled by an Isa card.
//
#define __16MB (0x1000000)
#define MAXIMUM_ISA_PHYSICAL_ADDRESS (__16MB)
//
// Define the scatter/gather flag for the Map Register Base.
//
#define NO_SCATTER_GATHER 0x00000001
//
// Define the copy buffer flag for the index.
//
#define COPY_BUFFER 0XFFFFFFFF
#endif // _HALISA_
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