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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/usb/uhid/@/dev/hptmv/command.h |
/*
* Copyright (c) 2004-2005 HighPoint Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/hptmv/command.h 190809 2009-04-07 16:38:25Z delphij $
*/
#ifndef _COMMAND_H_
#define _COMMAND_H_
/***************************************************************************
* Description: Command
***************************************************************************/
typedef struct _AtaCommand
{
LBA_T Lba; /* Current Logic Disk command: LBA */
USHORT nSectors; /* sector count. May great than 0x80 */
UCHAR Command; /* IDE_COMMAND_READ, _WRITE, _VERIFY */
UCHAR QueueTag;
} AtaComm, *PAtaComm;
typedef struct _PassthroughCmd {
BYTE bFeaturesReg; /* feature register */
BYTE bSectorCountReg; /* IDE sector count register. */
BYTE bLbaLowReg; /* IDE sector number register. */
BYTE bLbaMidReg; /* IDE low order cylinder value. */
BYTE bLbaHighReg; /* IDE high order cylinder value. */
BYTE bDriveHeadReg; /* IDE drive/head register. */
BYTE bCommandReg; /* Actual IDE command. Checked for validity by driver. */
BYTE nSectors; /* data transfer */
ADDRESS pDataBuffer; /* data buffer */
}
PassthroughCmd;
/* control commands */
#define CTRL_CMD_REBUILD 1
#define CTRL_CMD_VERIFY 2
#define CTRL_CMD_INIT 3
/*
* RAID5 rebuild/verify
* Rebuild/verify one stripe line.
* The caller needn't supply a buffer for rebuild.
* RebuildSectors member will be updated if its previous location is the
* begin of this stripe line.
*/
typedef struct _R5ControlCmd {
LBA_T StripeLine; /* _physical_ stripe line on array */
USHORT Offset; /* internal use, don't set */
UCHAR Command; /* CTRL_CMD_XXX */
UCHAR reserve1;
}
R5ControlCmd, *PR5ControlCmd;
/*
* RAID1 rebuild/verify
* Rebuild/verify specified sectors.
* The caller must supply a valid buffer and a physical SG table (or a
* pfnBuildSgl routine).
* For rebuild/initialize, the buffer size should be nSectors<<9;
* For verify, the buffer size should be (nSectors*2)<<9.
* RebuildSectors member will be updated if its previous value equals Lba.
*/
typedef struct _R1ControlCmd {
LBA_T Lba;
USHORT nSectors;
UCHAR Command; /* CTRL_CMD_XXX */
UCHAR reserve1;
ADDRESS Buffer; /* buffer logical address */
#ifdef _MACOSX_
ADDRESS PhysicalAddress;
#endif
}
R1ControlCmd, *PR1ControlCmd;
typedef struct _Command
{
PVDevice pVDevice;
union{
/* Ide Command */
AtaComm Ide;
PassthroughCmd Passthrough;
/* Atapi Command */
UCHAR Atapi[12];
/* Control command */
R5ControlCmd R5Control;
R1ControlCmd R1Control;
} uCmd;
USHORT cf_physical_sg: 1;
USHORT cf_data_in: 1;
USHORT cf_data_out: 1;
USHORT cf_atapi: 1;
USHORT cf_ide_passthrough: 1;
USHORT cf_control: 1;
/* return status */
UCHAR Result;
/* retry count */
UCHAR RetryCount;
/* S/G table address, if already prepared */
FPSCAT_GATH pSgTable;
/* called if pSgTable is invalid. */
int (* HPTLIBAPI pfnBuildSgl)(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSgTable, int logical);
/* called when this command is finished */
void (* HPTLIBAPI pfnCompletion)(_VBUS_ARG PCommand pCmd);
/* pointer to origional command */
void *pOrgCommand;
/* scratch data area */
union {
struct {
LBA_T StartLBA;
UCHAR FirstMember; /* the sequence number of the first member */
UCHAR LastMember; /* the sequence number of the last member */
USHORT LastSectors; /* the number of sectors for the last member */
USHORT FirstSectors; /* the number of sectors for the first member */
USHORT FirstOffset; /* the offset from the StartLBA for the first member */
USHORT AllMemberBlocks;/* the number of sectors for all member */
USHORT WaitInterrupt; /* bit map the members who wait interrupt */
UCHAR InSameLine; /* if the start and end on the same line */
UCHAR pad1;
} array;
struct {
LBA_T StartLBA;
USHORT FirstSectors; /* the number of sectors for the first member */
USHORT FirstOffset; /* the offset from the StartLBA for the first member */
USHORT WaitInterrupt; /* bit map the members who wait interrupt */
USHORT r5_gap; /* see raid5.c */
UCHAR ParDiskNo; /* parity for startLba */
UCHAR BadDiskNo;
UCHAR FirstMember;
UCHAR pad1;
} r5;
struct {
PCommand pCmd1;
PCommand pCmd2;
} r5split;
#ifdef _RAID5N_
struct {
ULONG dummy[2]; /* uScratch.wait shall be moved out uScratch.
now just fix it thisway */
struct range_lock *range_lock;
struct stripe *stripes[5];
UCHAR nstripes;
UCHAR finished_stripes;
USHORT pad2;
/* for direct-read: */
struct {
UCHAR cmds;
UCHAR finished;
UCHAR first;
UCHAR parity;
LBA_T base;
USHORT firstoffset;
USHORT firstsectors;
} dr;
} r5n2;
#endif
struct {
ULONG WordsLeft;
FPSCAT_GATH pPIOSg;
void (* HPTLIBAPI pfnOrgDone)(_VBUS_ARG PCommand pCmd);
#ifdef SUPPORT_HPT584
UCHAR cmd;
#endif
} disk;
struct {
PCommand pNext;
void (* HPTLIBAPI WaitEntry)(_VBUS_ARG PCommand pCmd);
} wait;
struct {
PVOID prdAddr;
ULONG cmd_priv;
USHORT responseFlags;
UCHAR bIdeStatus;
UCHAR errorRegister;
} sata_param;
} uScratch;
} Command;
/***************************************************************************
* command return value
***************************************************************************/
#define RETURN_PENDING 0
#define RETURN_SUCCESS 1
#define RETURN_BAD_DEVICE 2
#define RETURN_BAD_PARAMETER 3
#define RETURN_WRITE_NO_DRQ 4
#define RETURN_DEVICE_BUSY 5
#define RETURN_INVALID_REQUEST 6
#define RETURN_SELECTION_TIMEOUT 7
#define RETURN_IDE_ERROR 8
#define RETURN_NEED_LOGICAL_SG 9
#define RETURN_NEED_PHYSICAL_SG 10
#define RETURN_RETRY 11
#define RETURN_DATA_ERROR 12
#define RETURN_BUS_RESET 13
#define RETURN_BAD_TRANSFER_LENGTH 14
typedef void (* HPTLIBAPI DPC_PROC)(_VBUS_ARG void *);
typedef struct _dpc_routine {
DPC_PROC proc;
void *arg;
}
DPC_ROUTINE;
/*
* MAX_QUEUE_COMM is defined in platform related compiler.h
* to specify the maximum requests allowed (for each VBus) from system.
*
* Maximum command blocks needed for each VBus:
* Each OS command requests 1+MAX_MEMBERS*2 command blocks (RAID1/0 case)
* This space is allocated by platform dependent part, either static or
* dynamic, continuous or non-continous.
* The code only needs _vbus_(pFreeCommands) to be set.
*
* PendingRoutines[] size:
* Each command may invoke CallAfterReturn once.
*
* IdleRoutines[] size:
* Each command may invoke CallWhenIdle once.
*/
#define MAX_COMMAND_BLOCKS_FOR_EACH_VBUS (MAX_QUEUE_COMM * (1+MAX_MEMBERS*2) + 1)
#define MAX_PENDING_ROUTINES (MAX_COMMAND_BLOCKS_FOR_EACH_VBUS+1)
#define MAX_IDLE_ROUTINES (MAX_COMMAND_BLOCKS_FOR_EACH_VBUS+1)
#define mWaitingForIdle(pVBus) ((pVBus)->IdleRoutinesFirst!=(pVBus)->IdleRoutinesLast)
PCommand HPTLIBAPI AllocateCommand(_VBUS_ARG0);
void FASTCALL FreeCommand(_VBUS_ARG PCommand pCmd);
void FASTCALL CallAfterReturn(_VBUS_ARG DPC_PROC proc, void *arg);
void HPTLIBAPI CheckPendingCall(_VBUS_ARG0);
void FASTCALL CallWhenIdle(_VBUS_ARG DPC_PROC proc, void *arg);
void HPTLIBAPI CheckIdleCall(_VBUS_ARG0);
void HPTLIBAPI AddToWaitingList(PCommand *ppList, PCommand pCmd);
void HPTLIBAPI DoWaitingList(_VBUS_ARG PCommand *ppList);
#endif