📄 drp.h
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/*static char *SCCSID = "@(#)drp.h 1.39 90/08/28";*/
/****************************************************************************\
*
* Copyright (c) Microsoft Corporation 1990
*
\****************************************************************************/
/****************************************************************************\
*
* DRP (Driver Registration Packet) Data Structure
*
\****************************************************************************/
/* C Definition */
typedef struct DRP { /* */
CHAR DRP_eyecatch_str[8]; /* eye catcher string */
ULONG DRP_LGN; /* drivers load group number - see values below */
PVOID DRP_aer; /* pointer to async event routine */
PVOID DRP_ilb; /* ILB virtual address */
CHAR DRP_ascii_name[16];
BYTE DRP_revision; /* driver revision */
ULONG DRP_feature_code; /* Feature Code */
USHORT DRP_if_requirements; /* I/F Requirements */
UCHAR DRP_bus_type; /* type of I/O bus if port driver */
USHORT DRP_reg_result; /* Registration Results */
ULONG DRP_reference_data; /* field passed in on initialize aep */
UCHAR DRP_reserved1[2]; /* filler for alignment */
ULONG DRP_reserved2[1]; /* reserved - MBZ */
} DRP, *PDRP;
#define EyeCatcher 'XXXXXXXX'
/*
** Feature Code Definitions must match DVT feature code definitions in dvt.h
*/
#define DRP_FC_SCAN_DOWN 0x04 /* on = bios scans targets from high to low*/
#define DRP_FC_IO_FOR_INQ_AEP 0x40 /* on = PD needs to send I/O through IOP */
/* in response to an INQUIRY AEP. Results */
/* in CONFIGURE AEP for INQUIRY DCB. */
#define DRP_FC_HALF_SEC 0x2000 /* on = notify driver every half second */
#define DRP_FC_1_SEC 0x2000 /* on = notify driver every second */
#define DRP_FC_2_SECS 0x4000 /* on = notify driver every two seconds */
#define DRP_FC_4_SECS 0x8000 /* on = notify driver every four seconds */
#define DRP_FC_DYNALOAD 0x10000 /* on = driver was dynaloaded by IOS */
#define DRP_FC_NEED_PRELOAD 0x20000 /* on = driver needs to hook I/O even */
/* before the port driver. AEP_config_dcb */
/* will be received before PD when set */
#define DRP_FC_NEED_PRE_POST_LOAD 0x40000
/* same as above, except that the drive */
/* will receive 2 config_dcb calls for */
/* each DCB, 1 before the port driver, */
/* and 1 after layers before its load */
/* group have been initialized. Note */
/* that care must be taken not to insert */
/* TWICE in the same DCB. */
#define DRP_FC_SUPPORT_ESDI_REENUMERATION 0x80000 /* handle INQUIRY for reenumeration (along with DCB_DEV2_INQ_DCB) */
#define DRP_FC_NTMAP 0x100000
/*
** I/F Requirements
*/
#define DRP_IF_ISA 0x0001 /* on = driver supports isa platforms */
#define DRP_IF_EISA 0x0002 /* on = driver supports eisa platforms */
#define DRP_IF_MCA 0x0004 /* on = driver supports mca platforms */
#define DRP_IF_STD 0x00ff /* on = drvr supports all standard platforms*/
/*
** I/O Bus Types
*/
#define DRP_BT_ESDI 0x00 /* ESDI or ESDI emulator */
#define DRP_BT_SCSI 0x01 /* SCSI or SCSI emulator */
#define DRP_BT_FLOPPY 0x02 /* NEC FLOPPY or FLOPPY emulator */
#define DRP_BT_SMART 0x03 /* smart device */
#define DRP_BT_ABIOS 0x04 /* ABIOS or ABIOS emulator */
/*
** driver load group definitions
*/
#define DRP_IFS_BIT 0x00 /* reserved for ifs manager */
#define DRP_RESRVD1_BIT 0x01 /* reserved - do not use */
#define DRP_FSD_BIT 0x02 /* Installable File system layer */
#define DRP_FSD_EXT_1_BIT 0x03 /* FSD extension, e.g., DBLSPACE */
#define DRP_FSD_EXT_2_BIT 0x04 /* FSD extension, e.g., encryption */
#define DRP_VOLTRK_BIT 0x05 /* post-volume tracking value added driver*/
#define DRP_CLASS_DRV_BIT 0x06 /* class driver */
#define DRP_TSD_BIT 0x07 /* type specific driver */
#define DRP_VSD_1_BIT 0x08 /* driver is in vendor enhancement layer 1*/
#define DRP_VSD_2_BIT 0x09 /* driver is in vendor enhancement layer 2*/
#define DRP_VSD_3_BIT 0x0a /* driver is in vendor enhancement layer 3*/
#define DRP_SCSI_LAYER_BIT 0x0b /* SCSI'izer */
#define DRP_VSD_4_BIT 0x0c /* driver is in vendor enhancement layer 4*/
#define DRP_VSD_5_BIT 0x0d /* driver is in vendor enhancement layer 5*/
#define DRP_VSD_6_BIT 0x0e /* driver is in vendor enhancement layer 6*/
#define DRP_VSD_7_BIT 0x0f /* driver is in vendor enhancement layer 7*/
#define DRP_VSD_8_BIT 0x10 /* driver is in vendor enhancement layer 8*/
#define DRP_VSD_9_BIT 0x11 /* driver is in vendor enhancement layer 9*/
#define DRP_RESRVD18_BIT 0x12 /* reserved do not use */
#define DRP_MISC_PD_BIT 0x13 /* other port drivers */
#define DRP_NT_MPD_BIT 0x14 /* NT style mini-port drivers */
#define DRP_NT_PD_BIT 0x15 /* NT style port (hw independ) drvr */
#define DRP_ESDI_PD_BIT 0x16 /* ESDI port driver */
#define DRP_ESDIEMUL_PD_BIT 0x17 /* port drivers for esdi emulators */
#define DRP_RESRVD23_BIT 0x18 /* reserved do not use */
#define DRP_ABIOS_PD_BIT 0x19 /* ABIOS port driver */
#define DRP_ABIOS_PREMPT_PD_BIT 0x1a /* ABIOS pre-empting port drivers */
#define DRP_NEC_FLOPPY_BIT 0x1b /* NEC floppy driver layer */
#define DRP_RESRVD28_BIT 0x1c /* reserved do not use */
#define DRP_SOC_SER_DRV_BIT 0x1d /* socket service drivers */
#define DRP_SOC_DRV_BIT 0x1e /* socket drivers */
#define DRP_IOS_REG_BIT 0x1f /* reserved for ios registry */
#define DRP_LGN_MAX 0x1f /* maximum valid load group number */
#define DRP_IFS ( 1 << DRP_IFS_BIT )
#define DRP_RESRVD1 ( 1 << DRP_RESRVD1_BIT )
#define DRP_FSD ( 1 << DRP_FSD_BIT )
#define DRP_FSD_EXT_1 (1 << DRP_FSD_EXT_1_BIT)
#define DRP_FSD_EXT_2 (1 << DRP_FSD_EXT_2_BIT)
#define DRP_VOLTRK ( 1 << DRP_VOLTRK_BIT )
#define DRP_CLASS_DRV ( 1 << DRP_CLASS_DRV_BIT )
#define DRP_TSD ( 1 << DRP_TSD_BIT )
#define DRP_VSD_1 ( 1 << DRP_VSD_1_BIT )
#define DRP_VSD_2 ( 1 << DRP_VSD_2_BIT )
#define DRP_VSD_3 ( 1 << DRP_VSD_3_BIT )
#define DRP_SCSI_LAYER ( 1 << DRP_SCSI_LAYER_BIT )
#define DRP_VSD_4 ( 1 << DRP_VSD_4_BIT )
#define DRP_VSD_5 ( 1 << DRP_VSD_5_BIT )
#define DRP_VSD_6 ( 1 << DRP_VSD_6_BIT )
#define DRP_VSD_7 ( 1 << DRP_VSD_7_BIT )
#define DRP_VSD_8 ( 1 << DRP_VSD_8_BIT )
#define DRP_VSD_9 ( 1 << DRP_VSD_9_BIT )
#define DRP_RESRVD18 ( 1 << DRP_RESRVD18_BIT )
#define DRP_MISC_PD ( 1 << DRP_MISC_PD_BIT )
#define DRP_NT_MPD ( 1 << DRP_NT_MPD_BIT )
#define DRP_NT_PD ( 1 << DRP_NT_PD_BIT )
#define DRP_RESRVD20 ( 1 << DRP_RESRVD20_BIT )
#define DRP_ESDI_PD ( 1 << DRP_ESDI_PD_BIT )
#define DRP_ESDIEMUL_PD ( 1 << DRP_ESDIEMUL_PD_BIT )
#define DRP_RESRVD23 ( 1 << DRP_RESRVD23_BIT )
#define DRP_ABIOS_PD ( 1 << DRP_ABIOS_PD_BIT )
#define DRP_ABIOS_PREMPT_PD ( 1 << DRP_ABIOS_PREMPT_PD_BIT )
#define DRP_NEC_FLOPPY ( 1 << DRP_NEC_FLOPPY_BIT )
#define DRP_RESRVD28 ( 1 << DRP_RESRVD28_BIT )
#define DRP_SOC_SER_DRV ( 1 << DRP_SOC_SER_DRV_BIT )
#define DRP_SOC_DRV ( 1 << DRP_SOC_DRV_BIT )
#define DRP_IOS_REG ( 1 << DRP_IOS_REG_BIT )
/*
** Registration Results
*/
#define DRP_REMAIN_RESIDENT 1 /* Driver should remain resident */
#define DRP_MINIMIZE 2 /* Driver should minimize */
#define DRP_ABORT 3 /* Driver should not load */
#define DRP_INVALID_LAYER 4 /* bad layer number - abort driver */
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