u-boot/arch/arm/cpu/ixp/npe/IxNpeMh.c

583 lines
16 KiB
C
Raw Normal View History

/**
* @file IxNpeMh.c
*
* @author Intel Corporation
* @date 18 Jan 2002
*
* @brief This file contains the implementation of the public API for the
* IXP425 NPE Message Handler component.
*
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* 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.
* 3. Neither the name of the Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* @par
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*
* @par
* -- End of Copyright Notice --
*/
/*
* Put the system defined include files required.
*/
/*
* Put the user defined include files required.
*/
#include "IxOsal.h"
#include "IxNpeMhMacros_p.h"
#include "IxNpeMh.h"
#include "IxNpeMhConfig_p.h"
#include "IxNpeMhReceive_p.h"
#include "IxNpeMhSend_p.h"
#include "IxNpeMhSolicitedCbMgr_p.h"
#include "IxNpeMhUnsolicitedCbMgr_p.h"
/*
* #defines and macros used in this file.
*/
/*
* Typedefs whose scope is limited to this file.
*/
/*
* Variable declarations global to this file only. Externs are followed by
* static variables.
*/
PRIVATE BOOL ixNpeMhInitialized = FALSE;
/*
* Extern function prototypes.
*/
/*
* Static function prototypes.
*/
/*
* Function definition: ixNpeMhInitialize
*/
PUBLIC IX_STATUS ixNpeMhInitialize (
IxNpeMhNpeInterrupts npeInterrupts)
{
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhInitialize\n");
/* check the npeInterrupts parameter */
if ((npeInterrupts != IX_NPEMH_NPEINTERRUPTS_NO) &&
(npeInterrupts != IX_NPEMH_NPEINTERRUPTS_YES))
{
IX_NPEMH_ERROR_REPORT ("Illegal npeInterrupts parameter value\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* initialize the Receive module */
ixNpeMhReceiveInitialize ();
/* initialize the Solicited Callback Manager module */
ixNpeMhSolicitedCbMgrInitialize ();
/* initialize the Unsolicited Callback Manager module */
ixNpeMhUnsolicitedCbMgrInitialize ();
/* initialize the Configuration module
*
* NOTE: This module was originally configured before the
* others, but the sequence was changed so that interrupts
* would only be enabled after the handler functions were
* set up. The above modules need to be initialised to
* handle the NPE interrupts. See SCR #2231.
*/
ixNpeMhConfigInitialize (npeInterrupts);
ixNpeMhInitialized = TRUE;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhInitialize\n");
return IX_SUCCESS;
}
/*
* Function definition: ixNpeMhUnload
*/
PUBLIC IX_STATUS ixNpeMhUnload (void)
{
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhUnload\n");
if (!ixNpeMhInitialized)
{
return IX_FAIL;
}
/* Uninitialize the Configuration module */
ixNpeMhConfigUninit ();
ixNpeMhInitialized = FALSE;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhUnload\n");
return IX_SUCCESS;
}
/*
* Function definition: ixNpeMhUnsolicitedCallbackRegister
*/
PUBLIC IX_STATUS ixNpeMhUnsolicitedCallbackRegister (
IxNpeMhNpeId npeId,
IxNpeMhMessageId messageId,
IxNpeMhCallback unsolicitedCallback)
{
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhUnsolicitedCallbackRegister\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* check the messageId parameter */
if ((messageId < IX_NPEMH_MIN_MESSAGE_ID)
|| (messageId > IX_NPEMH_MAX_MESSAGE_ID))
{
IX_NPEMH_ERROR_REPORT ("Message ID is out of range\n");
return IX_FAIL;
}
/* the unsolicitedCallback parameter is allowed to be NULL */
/* parameters are ok ... */
/* get the lock to prevent other clients from entering */
ixNpeMhConfigLockGet (npeId);
/* save the unsolicited callback for the message ID */
ixNpeMhUnsolicitedCbMgrCallbackSave (
npeId, messageId, unsolicitedCallback);
/* release the lock to allow other clients back in */
ixNpeMhConfigLockRelease (npeId);
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhUnsolicitedCallbackRegister\n");
return IX_SUCCESS;
}
/*
* Function definition: ixNpeMhUnsolicitedCallbackForRangeRegister
*/
PUBLIC IX_STATUS ixNpeMhUnsolicitedCallbackForRangeRegister (
IxNpeMhNpeId npeId,
IxNpeMhMessageId minMessageId,
IxNpeMhMessageId maxMessageId,
IxNpeMhCallback unsolicitedCallback)
{
IxNpeMhMessageId messageId;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhUnsolicitedCallbackForRangeRegister\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* check the minMessageId parameter */
if ((minMessageId < IX_NPEMH_MIN_MESSAGE_ID)
|| (minMessageId > IX_NPEMH_MAX_MESSAGE_ID))
{
IX_NPEMH_ERROR_REPORT ("Min message ID is out of range\n");
return IX_FAIL;
}
/* check the maxMessageId parameter */
if ((maxMessageId < IX_NPEMH_MIN_MESSAGE_ID)
|| (maxMessageId > IX_NPEMH_MAX_MESSAGE_ID))
{
IX_NPEMH_ERROR_REPORT ("Max message ID is out of range\n");
return IX_FAIL;
}
/* check the semantics of the message range parameters */
if (minMessageId > maxMessageId)
{
IX_NPEMH_ERROR_REPORT ("Min message ID greater than max message "
"ID\n");
return IX_FAIL;
}
/* the unsolicitedCallback parameter is allowed to be NULL */
/* parameters are ok ... */
/* get the lock to prevent other clients from entering */
ixNpeMhConfigLockGet (npeId);
/* for each message ID in the range ... */
for (messageId = minMessageId; messageId <= maxMessageId; messageId++)
{
/* save the unsolicited callback for the message ID */
ixNpeMhUnsolicitedCbMgrCallbackSave (
npeId, messageId, unsolicitedCallback);
}
/* release the lock to allow other clients back in */
ixNpeMhConfigLockRelease (npeId);
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhUnsolicitedCallbackForRangeRegister\n");
return IX_SUCCESS;
}
/*
* Function definition: ixNpeMhMessageSend
*/
PUBLIC IX_STATUS ixNpeMhMessageSend (
IxNpeMhNpeId npeId,
IxNpeMhMessage message,
UINT32 maxSendRetries)
{
IX_STATUS status = IX_SUCCESS;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhMessageSend\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* get the lock to prevent other clients from entering */
ixNpeMhConfigLockGet (npeId);
/* send the message */
status = ixNpeMhSendMessageSend (npeId, message, maxSendRetries);
if (status != IX_SUCCESS)
{
IX_NPEMH_ERROR_REPORT ("Failed to send message\n");
}
/* release the lock to allow other clients back in */
ixNpeMhConfigLockRelease (npeId);
IX_NPEMH_TRACE1 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhMessageSend"
" : status = %d\n", status);
return status;
}
/*
* Function definition: ixNpeMhMessageWithResponseSend
*/
PUBLIC IX_STATUS ixNpeMhMessageWithResponseSend (
IxNpeMhNpeId npeId,
IxNpeMhMessage message,
IxNpeMhMessageId solicitedMessageId,
IxNpeMhCallback solicitedCallback,
UINT32 maxSendRetries)
{
IX_STATUS status = IX_SUCCESS;
IxNpeMhCallback unsolicitedCallback = NULL;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhMessageWithResponseSend\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* the solicitecCallback parameter is allowed to be NULL. this */
/* signifies the client is not interested in the response message */
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* check the solicitedMessageId parameter */
if ((solicitedMessageId < IX_NPEMH_MIN_MESSAGE_ID)
|| (solicitedMessageId > IX_NPEMH_MAX_MESSAGE_ID))
{
IX_NPEMH_ERROR_REPORT ("Solicited message ID is out of range\n");
return IX_FAIL;
}
/* check the solicitedMessageId parameter. if an unsolicited */
/* callback has been registered for the specified message ID then */
/* report an error and return failure */
ixNpeMhUnsolicitedCbMgrCallbackRetrieve (
npeId, solicitedMessageId, &unsolicitedCallback);
if (unsolicitedCallback != NULL)
{
IX_NPEMH_ERROR_REPORT ("Solicited message ID conflicts with "
"unsolicited message ID\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* get the lock to prevent other clients from entering */
ixNpeMhConfigLockGet (npeId);
/* send the message */
status = ixNpeMhSendMessageWithResponseSend (
npeId, message, solicitedMessageId, solicitedCallback,
maxSendRetries);
if (status != IX_SUCCESS)
{
IX_NPEMH_ERROR_REPORT ("Failed to send message\n");
}
/* release the lock to allow other clients back in */
ixNpeMhConfigLockRelease (npeId);
IX_NPEMH_TRACE1 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhMessageWithResponseSend"
" : status = %d\n", status);
return status;
}
/*
* Function definition: ixNpeMhMessagesReceive
*/
PUBLIC IX_STATUS ixNpeMhMessagesReceive (
IxNpeMhNpeId npeId)
{
IX_STATUS status = IX_SUCCESS;
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhMessagesReceive\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* get the lock to prevent other clients from entering */
ixNpeMhConfigLockGet (npeId);
/* receive messages from the NPE */
status = ixNpeMhReceiveMessagesReceive (npeId);
if (status != IX_SUCCESS)
{
IX_NPEMH_ERROR_REPORT ("Failed to receive message\n");
}
/* release the lock to allow other clients back in */
ixNpeMhConfigLockRelease (npeId);
IX_NPEMH_TRACE1 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhMessagesReceive"
" : status = %d\n", status);
return status;
}
/*
* Function definition: ixNpeMhShow
*/
PUBLIC IX_STATUS ixNpeMhShow (
IxNpeMhNpeId npeId)
{
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhShow\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* note we don't get the lock here as printing the statistics */
/* to a console may take some time and we don't want to impact */
/* system performance. this means that the statistics displayed */
/* may be in a state of flux and make not represent a consistent */
/* snapshot. */
/* display a header */
ixOsalLog (IX_OSAL_LOG_LVL_USER, IX_OSAL_LOG_DEV_STDOUT,
"Current state of NPE ID %d:\n\n", npeId, 0, 0, 0, 0, 0);
/* show the current state of each module */
/* show the current state of the Configuration module */
ixNpeMhConfigShow (npeId);
/* show the current state of the Receive module */
ixNpeMhReceiveShow (npeId);
/* show the current state of the Send module */
ixNpeMhSendShow (npeId);
/* show the current state of the Solicited Callback Manager module */
ixNpeMhSolicitedCbMgrShow (npeId);
/* show the current state of the Unsolicited Callback Manager module */
ixNpeMhUnsolicitedCbMgrShow (npeId);
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhShow\n");
return IX_SUCCESS;
}
/*
* Function definition: ixNpeMhShowReset
*/
PUBLIC IX_STATUS ixNpeMhShowReset (
IxNpeMhNpeId npeId)
{
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Entering "
"ixNpeMhShowReset\n");
/* check that we are initialized */
if (!ixNpeMhInitialized)
{
IX_NPEMH_ERROR_REPORT ("IxNpeMh component is not initialized\n");
return IX_FAIL;
}
/* check the npeId parameter */
if (!ixNpeMhConfigNpeIdIsValid (npeId))
{
IX_NPEMH_ERROR_REPORT ("NPE ID invalid\n");
return IX_FAIL;
}
/* parameters are ok ... */
/* note we don't get the lock here as resetting the statistics */
/* shouldn't impact system performance. */
/* reset the current state of each module */
/* reset the current state of the Configuration module */
ixNpeMhConfigShowReset (npeId);
/* reset the current state of the Receive module */
ixNpeMhReceiveShowReset (npeId);
/* reset the current state of the Send module */
ixNpeMhSendShowReset (npeId);
/* reset the current state of the Solicited Callback Manager module */
ixNpeMhSolicitedCbMgrShowReset (npeId);
/* reset the current state of the Unsolicited Callback Manager module */
ixNpeMhUnsolicitedCbMgrShowReset (npeId);
IX_NPEMH_TRACE0 (IX_NPEMH_FN_ENTRY_EXIT, "Exiting "
"ixNpeMhShowReset\n");
return IX_SUCCESS;
}