freebsd-dev/sys/dev/hptmv/command.h
Scott Long d2bd3ab995 Import new version of the HPTMV driver from Highpoint. The major change
here is the support for amd64, as well as possible support for PAE.  Many
thanks to Highpoint for continuing to support FreeBSD.

Obtained from:  Steve Chang @ Highpoint
MFC After: 3 days.
2005-09-07 23:33:26 +00:00

268 lines
8.7 KiB
C

/*
* 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.
*
* $FreeBSD$
*/
#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 bSectorNumberReg; /* IDE sector number register. */
BYTE bCylLowReg; /* IDE low order cylinder value. */
BYTE bCylHighReg; /* 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))
#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