1 files changed, 582 insertions, 0 deletions
diff --git a/arch/arm/cpu/ixp/npe/IxNpeMh.c b/arch/arm/cpu/ixp/npe/IxNpeMh.c
new file mode 100644
index 0000000000..8703def8bc
--- /dev/null
+++ b/arch/arm/cpu/ixp/npe/IxNpeMh.c
@@ -0,0 +1,582 @@
+/**
+ * @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;
+}