mvialcommon.h

此为marvell 6081芯片驱动源码

/*******************************************************************************
*              (c), Copyright 2001, Marvell International Ltd.                 *
* THIS CODE CONTAINS CONFIDENTIAL INFORMATION OF MARVELL SEMICONDUCTOR, INC.   *
* NO RIGHTS ARE GRANTED HEREIN UNDER ANY PATENT, MASK WORK RIGHT OR COPYRIGHT  *
* OF MARVELL OR ANY THIRD PARTY. MARVELL RESERVES THE RIGHT AT ITS SOLE        *
* DISCRETION TO REQUEST THAT THIS CODE BE IMMEDIATELY RETURNED TO MARVELL.     *
* THIS CODE IS PROVIDED "AS IS". MARVELL MAKES NO WARRANTIES, EXPRESSED,       *
* IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, COMPLETENESS OR PERFORMANCE.   *
********************************************************************************
* mvIALCommon.h
*
* DESCRIPTION: Header file for common functions that can be used by different 
*           IAL's
*
* DEPENDENCIES:
*       mvSata.h
*
*******************************************************************************/
#ifndef __INCmvIALCommonh
#define __INCmvIALCommonh

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* includes */
#include "mvSata.h"
#include "mvStorageDev.h"

/* defines  */

/*Timer period in milliseconds*/
#define MV_IAL_ASYNC_TIMER_PERIOD       500
#define MV_IAL_SRST_TIMEOUT             31000
/* typedefs */



typedef enum mvAdapterState
{
    ADAPTER_INITIALIZING,    
    ADAPTER_READY,
    ADAPTER_FATAL_ERROR
} MV_ADAPTER_STATE;

typedef enum mvChannelState
{
    CHANNEL_NOT_CONNECTED,        
    CHANNEL_CONNECTED,      
    CHANNEL_IN_SRST,    
    CHANNEL_PM_STAGGERED_SPIN_UP,   
    CHANNEL_PM_SRST_DEVICE,   
    CHANNEL_READY,
    CHANNEL_PM_HOT_PLUG,    
} MV_CHANNEL_STATE;


typedef struct mvIALChannelExtension
{
    MV_U8                       PMnumberOfPorts;
    MV_U16                      PMdevsToInit;
    MV_U8                       devInSRST;  
    MV_BOOLEAN                  completionError;
    MV_U8                       pmAccessType;
    MV_U8                       pmReg;
    MV_BOOLEAN                  pmRegAccessInProgress;
    MV_BOOLEAN                  pmAsyncNotifyEnabled;
    MV_U32                      SRSTTimerThreshold;
    MV_U32                      SRSTTimerValue;
    MV_VOID_PTR                 IALChannelPendingCmdQueue;          
} MV_IAL_COMMON_CHANNEL_EXTENSION;


typedef struct mvIALCommonAdapterExtension
{
    MV_SATA_ADAPTER   *pSataAdapter;
    MV_ADAPTER_STATE  adapterState;
    MV_CHANNEL_STATE  channelState[MV_SATA_CHANNELS_NUM];
    MV_IAL_COMMON_CHANNEL_EXTENSION IALChannelExt[MV_SATA_CHANNELS_NUM];
} MV_IAL_COMMON_ADAPTER_EXTENSION;


/*Public functions*/
MV_BOOLEAN mvAdapterStartInitialization(MV_SATA_ADAPTER* pSataAdapter,
                                MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt,                                
                                MV_SAL_ADAPTER_EXTENSION *scsiAdapterExt);

void mvRestartChannel(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt, 
                      MV_U8 channelIndex,
                      MV_SAL_ADAPTER_EXTENSION *scsiAdapterExt,
                      MV_BOOLEAN    bBusReset);                      

void mvStopChannel(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt, 
                   MV_U8 channelIndex, 
                   MV_SAL_ADAPTER_EXTENSION *scsiAdapterExt);

void mvPMHotPlugDetected(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt, 
                      MV_U8 channelIndex,
                      MV_SAL_ADAPTER_EXTENSION *scsiAdapterExt);


MV_SCSI_COMMAND_STATUS_TYPE mvExecuteScsiCommand(MV_SATA_SCSI_CMD_BLOCK  *pScb,
                                                 MV_BOOLEAN canQueue);   

MV_BOOLEAN  mvIALTimerCallback(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt,                             
                              MV_SAL_ADAPTER_EXTENSION *scsiAdapterExt);

void mvCommandCompletionErrorHandler(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt,
                                    MV_U8 channelIndex);

MV_BOOLEAN mvRemoveFromSCSICommandQueue(MV_IAL_COMMON_ADAPTER_EXTENSION *ialExt,
										MV_U8 channelIndex, 
										MV_SATA_SCSI_CMD_BLOCK *pScb);

/*The following functions which must be implemented in IAL*/

MV_BOOLEAN IALConfigQueuingMode(MV_SATA_ADAPTER *pSataAdapter, 
                                MV_U8 channelIndex, 
                                MV_EDMA_MODE mode,
                                MV_U8 queueDepth);


MV_BOOLEAN IALInitChannel(MV_SATA_ADAPTER *pSataAdapter, MV_U8 channelIndex);

void IALReleaseChannel(MV_SATA_ADAPTER *pSataAdapter, MV_U8 channelIndex);
MV_BOOLEAN IALBusChangeNotify(MV_SATA_ADAPTER *pSataAdapter, 
                              MV_U8 channelIndex);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __INCmvIALCommonh */