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ioctl.inc
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上传日期：2013-04-11
资源大小：19621k
文件大小：4k
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操作系统开发
开发平台：
Visual C++
- ;******************************************************************************
- ;
- ; (C) Copyright MICROSOFT Corp., 1988
- ;
- ; Title: smartdrv.inc - smartdrv equates & structures
- ;
- ; Version: 1.00
- ;
- ; Date: 15-Sep-1989
- ;
- ; Author: ARR
- ;
- ;------------------------------------------------------------------------------
- ;
- ; Change log:
- ;
- ; DATE REV DESCRIPTION
- ; ----------- --- -----------------------------------------------------------
- ; 15-Sep-1989 ARR Original
- ; 30-Oct-1989 MC Borrowed from AAR for use in win.com. Pared down to only
- ; SD_IOCTL_Read because thats all I need. I need only look
- ; at the size of SD. I do not have to shrink it.
- ; 11-Dec-1989 MC Add needed struc's and support for talking to LIM drivers
- ;
- ;==============================================================================
- ;
- ;
- ; Device name of SMARTDRV
- ;
- SD_DEV_NAME equ "SMARTAAR",0 ; Name for SD driver IOCTL opens.
- EMM_DEV_NAME equ "EMMXXXX0",0 ; Name for EMM driver IOCTL opens.
- ;
- ;
- ; Structure of the data returned on the SMARTDRV IOCTL read call
- ;
- SD_IOCTL_Read struc
- SD_IR_Write_Through db ? ; Write-through flag, currently always 1
- SD_IR_Write_Buff db ? ; Buffer write flag, currently always 0
- SD_IR_Enable_Int13 db ? ; Cache enable flag, 1 = enabled
- SD_IR_Driver_Type db ? ; Type 1 (XMS cache) or 2 (EMS cache)
- SD_IR_Tick_Setting dw ? ; Ticks between flushes, currently unused
- SD_IR_Lock_Cache db ? ; Non-zero if cache is locked
- SD_IR_Reboot_Flush db ? ; Non-zero if cache should be flushed on reboot
- SD_IR_Cache_All db ? ; Zero if full track writes are not cached
- SD_IR_Double_Buffer db ? ; Dbl buff state 0=Off, 1=On, 2=Dynamic
- SD_IR_Original_INT13 dd ? ; INT 13 address SMARTDRV hooked
- SD_IR_Minor_Ver db ? ; Minor version number
- SD_IR_Major_Ver db ? ; Major version number
- dw ? ; Unused
- ; Next three values are used for computing
- ; cache statistics. They may be scaled rather
- ; than absolute values
- SD_IR_Total_Sec_Read dw ? ; Count of sectors read
- SD_IR_Cache_Sec_Read dw ? ; Count of sectors read from cache
- SD_IR_Track_Sec_Read dw ? ; Count of sectors read from track buffer
- ; Cache statistics
- SD_IR_Cache_Hit_Ratio db ? ; = Cache_Sec_Read * 100 / Total_Sec_Read
- SD_IR_Track_Hit_Ratio db ? ; = Track_Sec_Read * 100 / Total_Sec_Read
- SD_IR_Total_Tracks dw ? ; Number of tracks in the cache
- SD_IR_Total_Used dw ? ; Tracks currently in use
- SD_IR_Total_Locked dw ? ; Tracks currently locked
- SD_IR_Total_Dirty dw ? ; Tracks currently dirty
- ; Information for resizing cache
- ; All values are in terms of 16Kb pages.
- SD_IR_Current_Size dw ? ; Current size of the cache, in 16Kb pages
- SD_IR_Dev_Size dw ? ; Original size requested by user
- SD_IR_Min_Cache_Size dw ? ; Minimum allowable size
- SD_IOCTL_Read ends
- SMRTDRVInfo SD_IOCTL_Read <>
- ;
- ; Structure of the data returned on the IOCTL call to the EMM driver
- ;
- EMM_Import_IOCTL_Data struc
- EMM_Import_Data_Phys_Ptr dd ? ; PHYSICAL 32 bit address of the
- ; EMM_Import_Data structure
- EMM_Import_API_Version_Maj db ? ; API version #
- EMM_Import_API_Version_Min db ?
- EMM_Import_IOCTL_Data ends
- ;
- ; For the IOCTL to get the data and version number of importable EMM info
- ; the IOCTL read subfunction is encoded in the first byte of the IOCTL
- ; read buffer.
- ;
- EMM_IMPRT_IOCTL_FUNC equ 1
- EMM_OK equ 0
- ;
- ; Current version number restriction of WIN386 on EMM_Import_API_Version
- ;
- EMM_IMPORT_MIN_VER equ 0100h
- EMM_IMPORT_MAX_VER equ 0100h
- EMMIoctlBuf db EMM_IMPRT_IOCTL_FUNC
- db (SIZE EMM_Import_IOCTL_Data) dup (0)
- SMRTDRVName db SD_DEV_NAME ; Name for smartdrv IOCTL opens.
- EMM_Name db EMM_DEV_NAME ; Name for EMM IOCTL opens.
