/*
* Copyright 2001-2008 Texas Instruments - http://www.ti.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* ======== dbdcd.h ========
* DSP-BIOS Bridge driver support functions for TI OMAP processors.
* Description:
* Defines the DSP/BIOS Bridge Configuration Database (DCD) API.
*
*! Revision History
*! ================
*! 03-Dec-2003 map Changed DCD_OBJTYPE to DSP_DCDOBJTYPE
*! 24-Feb-2003 kc Updated DCD_AutoUnregister and DCD_GetObjects to simplify
*! DCD implementation.
*! 05-Aug-2002 jeh Added DCD_GetObjects().
*! 11-Jul-2002 jeh Added DCD_GetDepLibs(), DCD_GetNumDepLibs().
*! 22-Apr-2002 jeh Added DCD_GetLibraryName().
*! 03-Apr-2001 sg Changed error names to have DCD_E* format.
*! 13-Feb-2001 kc Name changed from dcdbs.h to dbdcd.h.
*! 12-Dec-2000 kc Added DCD_AutoUnregister.
*! 09-Nov-2000 kc Updated usage of DCD_EnumerateObject.
*! 30-Oct-2000 kc Added DCD_AutoRegister. Updated error DCD error codes.
*! 29-Sep-2000 kc Incorporated code review comments. See
*! /src/reviews/dcd_review.txt.
*! 26-Jul-2000 kc Created.
*!
*/
#ifndef DBDCD_
#define DBDCD_
#ifdef __cplusplus
extern "C" {
#endif
#include <dbdcddef.h>
#include <nldrdefs.h>
/*
* ======== DCD_AutoRegister ========
* Purpose:
* This function automatically registers DCD objects specified in a
* special COFF section called ".dcd_register"
* Parameters:
* hDcdMgr: A DCD manager handle.
* pszCoffPath: Pointer to name of COFF file containing DCD
* objects to be registered.
* Returns:
* DSP_SOK: Success.
* DSP_EDCDNOAUTOREGISTER: Unable to find auto-registration section.
* DSP_EDCDREADSECT: Unable to read object code section.
* DSP_EDCDLOADBASE: Unable to load code base.
* DSP_EHANDLE: Invalid DCD_HMANAGER handle..
* Requires:
* DCD initialized.
* Ensures:
* Note:
* Due to the DCD database construction, it is essential for a DCD-enabled
* COFF file to contain the right COFF sections, especially
* ".dcd_register", which is used for auto registration.
*/
extern DSP_STATUS DCD_AutoRegister(IN struct DCD_MANAGER* hDcdMgr,
IN CHAR * pszCoffPath);
/*
* ======== DCD_AutoUnregister ========
* Purpose:
* This function automatically unregisters DCD objects specified in a
* special COFF section called ".dcd_register"
* Parameters:
* hDcdMgr: A DCD manager handle.
* pszCoffPath: Pointer to name of COFF file containing
* DCD objects to be unregistered.
* Returns:
* DSP_SOK: Success.
* DSP_EDCDNOAUTOREGISTER: Unable to find auto-registration section.
* DSP_EDCDREADSECT: Unable to read object code section.
* DSP_EDCDLOADBASE: Unable to load code base.
* DSP_EHANDLE: Invalid DCD_HMANAGER handle..
* Requires:
* DCD initialized.
* Ensures:
* Note:
* Due to the DCD database construction, it is essential for a DCD-enabled
* COFF file to contain the right COFF sections, especially
* ".dcd_register", which is used for auto unregistration.
*/
extern DSP_STATUS DCD_AutoUnregister(IN struct DCD_MANAGER* hDcdMgr,
IN CHAR * pszCoffPath);
/*
* ======== DCD_CreateManager ========
* Purpose:
* This function creates a DCD module manager.
* Parameters:
* pszZlDllName: Pointer to a DLL name string.
* phDcdMgr: A pointer to a DCD manager handle.
* Returns:
* DSP_SOK: Success.
* DSP_EMEMORY: Unable to allocate memory for DCD manager handle.
* DSP_EFAIL: General failure.
* Requires:
* DCD initialized.
* pszZlDllName is non-NULL.
* phDcdMgr is non-NULL.
* Ensures:
* A DCD manager handle is created.
*/
extern DSP_STATUS DCD_CreateManager(IN CHAR * pszZlDllName,
OUT struct DCD_MANAGER* * phDcdMgr);
/*
* ======== DCD_DestroyManager ========
* Purpose:
* This function destroys a DCD module manager.
* Parameters:
* hDcdMgr: A DCD manager handle.
* Returns:
* DSP_SOK: Success.
* DSP_EHANDLE: Invalid DCD manager handle.
* Requires:
* DCD initialized.
* Ensures:
*/
extern DSP_STATUS DCD_DestroyManager(IN struct DCD_MANAGER* hDcdMgr);
/*
* ======== DCD_EnumerateObject ========
* Purpose:
* This function enumerates currently visible DSP/BIOS Bridge objects
* and returns the UUID and type of each enumerated object.
* Parameters:
* cIndex: The object enumeration index.
* objType: Type of object to enumerate.
* pUuid: Pointer to a DSP_UUID object.
* Returns:
* DSP_SOK: Success.
* DSP_EFAIL: Unable to enumerate through the DCD database.
* DSP_SENUMCOMPLETE: Enumeration completed. This is not an error code.
* Requires:
* DCD initialized.
* pUuid is a valid pointer.
* Ensures:
* Details:
* This function can be used in conjunction with DCD_GetObjectDef to
* retrieve object properties.
*/
extern DSP_STATUS DCD_EnumerateObject(IN INT cIndex,
IN DSP_DCDOBJTYPE objType,
OUT struct DSP_UUID * pUuid);
/*
* ======== DCD_Exit ========
* Purpose:
* This function cleans up the DCD module.
* Parameters:
* Returns:
* Requires:
* DCD initialized.
* Ensures:
*/
extern VOID DCD_Exit();
/*
* ======== DCD_GetDepLibs ========
* Purpose:
* Given the uuid of a library and size of array of uuids, this function
* fills the array with the uuids of all dependent libraries of the input
* library.
* Parameters:
* hDcdMgr: A DCD manager handle.
* pUuid: Pointer to a DSP_UUID for a library.
* numLibs: Size of uuid array (number of library uuids).
* pDepLibUuids: Array of dependent library uuids to be filled in.
* pPersistentDepLibs: Array indicating if corresponding lib is persistent.
* phase: phase to obtain correct input library
* Returns:
* DSP_SOK: Success.
* DSP_EMEMORY: Memory allocation failure.
* DSP_EDCDREADSECT: Failure to read section containing library info.
* DSP_EFAIL: General failure.
* Requires:
* DCD initialized.
* Valid hDcdMgr.
* pUuid != NULL
* pDepLibUuids != NULL.
* Ensures:
*/
extern DSP_STATUS DCD_GetDepLibs(IN struct DCD_MANAGER* hDcdMgr,
IN struct DSP_UUID * pUuid,
USHORT numLibs,
OUT struct DSP_UUID * pDepLibUuids,
OUT bool * pPersistentDepLibs,
IN NLDR_PHASE phase);
/*
* ======== DCD_GetNumDepLibs ========
* Purpose:
* Given the uuid of a library, determine its number of dependent
* libraries.
* Parameters:
* hDcdMgr: A DCD manager handle.
* pUuid: Pointer to a DSP_UUID for a library.
* pNumLibs: Size of uuid array (number of library uuids).
* pNumPersLibs: number of persistent dependent library.
* phase: Phase to obtain correct input library
* Returns:
* DSP_SOK: Success.
* DSP_EMEMORY: Memory allocation failure.
* DSP_EDCDREADSECT: Failure to read section containing library info.
* DSP_EFAIL: General failure.
* Requires:
* DCD initialized.
* Valid hDcdMgr.
* pUuid != NULL
* pNumLibs != NULL.
* Ensures:
*/
extern DSP_STATUS DCD_GetNumDepLibs(IN struct DCD_MANAGER* hDcdMgr,
IN struct DSP_UUID * pUuid,
OUT USHORT * pNumLibs,
OUT USHORT * pNumPersLibs,
IN NLDR_PHASE phase);
/*
* ======== DCD_GetLibraryName ========
* Purpose:
* This function returns the name of a (dynamic) library for a given
* UUID.
* Parameters:
* hDcdMgr: A DCD manager handle.
* pUuid: Pointer to a DSP_UUID that represents a unique DSP/BIOS
* Bridge object.
* pstrLibName: Buffer to hold library name.
* pdwSize: Contains buffer size. Set to string size on output.
* phase: Which phase to load
* fPhaseSplit: Are phases in multiple libraries
* Returns:
* DSP_SOK: Success.
* DSP_EFAIL: General failure.
* Requires:
* DCD initialized.
* Valid hDcdMgr.
* pstrLibName != NULL.
* pUuid != NULL
* pdwSize != NULL.
* Ensures:
*/
extern DSP_STATUS DCD_GetLibraryName(IN struct DCD_MANAGER* hDcdMgr,
IN struct DSP_UUID * pUuid,
IN OUT PSTR pstrLibName,
IN OUT DWORD * pdwSize,
IN NLDR_PHASE phase,
OUT bool * fPhaseSplit);
/*
* ======== DCD_GetObjectDef ========
* Purpose:
* This function returns the properties/attributes of a DSP/BIOS Bridge
* object.
* Parameters:
* hDcdMgr: A DCD manager handle.
* pUuid: Pointer to a DSP_UUID that represents a unique
* DSP/BIOS Bridge object.
* objType: The type of DSP/BIOS Bridge object to be
* referenced (node, processor, etc).
* pObjDef: Pointer to an object definition structure. A
* union of various possible DCD object types.
* Returns:
* DSP_SOK: Success.
* DSP_EDCDPARSESECT: Unable to parse content of object code section.
* DSP_EDCDREADSECT: Unable to read object code section.
* DSP_EDCDGETSECT: Unable to access object code section.
* DSP_EDCDLOADBASE: Unable to load code base.
* DSP_EFAIL: General failure.
* DSP_EHANDLE: Invalid DCD_HMANAGER handle.
* Requires:
* DCD initialized.
* pObjUuid is non-NULL.
* pObjDef is non-NULL.
* Ensures:
*/
extern DSP_STATUS DCD_GetObjectDef(IN struct DCD_MANAGER* hDcdMgr,
IN struct DSP_UUID * pObjUuid,
IN DSP_DCDOBJTYPE objType,
OUT struct DCD_GENERICOBJ *pObjDef);
/*
* ======== DCD_GetObjects ========
* Purpose:
* This function finds all DCD objects specified in a special
* COFF section called ".dcd_register", and for each object,
* call a "register" function. The "register" function may perform
* various actions, such as 1) register nodes in the node database, 2)
* unregister nodes from the node database, and 3) add overlay nodes.
* Parameters:
* hDcdMgr: A DCD manager handle.
* pszCoffPath: Pointer to name of COFF file containing DCD
* objects.
* registerFxn: Callback fxn to be applied on each located
* DCD object.
* handle: Handle to pass to callback.
* Returns:
* DSP_SOK: Success.
* DSP_EDCDNOAUTOREGISTER: Unable to find .dcd_register section.
* DSP_EDCDREADSECT: Unable to read object code section.
* DSP_EDCDLOADBASE: Unable to load code base.
* DSP_EHANDLE: Invalid DCD_HMANAGER handle..
* Requires:
* DCD initialized.
* Ensures:
* Note:
* Due to the DCD database construction, it is essential for a DCD-enabled
* COFF file to contain the right COFF sections, especially
* ".dcd_register", which is used for auto registration.
*/
extern DSP_STATUS DCD_GetObjects(IN struct DCD_MANAGER* hDcdMgr,
IN CHAR * pszCoffPath,
DCD_REGISTERFXN registerFxn,
PVOID handle);
/*
* ======== DCD_Init ========
* Purpose:
* This function initializes DCD.
* Parameters:
* Returns:
* FALSE: Initialization failed.
* TRUE: Initialization succeeded.
* Requires:
* Ensures:
* DCD initialized.
*/
extern bool DCD_Init();
/*
* ======== DCD_RegisterObject ========
* Purpose:
* This function registers a DSP/BIOS Bridge object in the DCD database.
* Parameters:
* pUuid: Pointer to a DSP_UUID that identifies a DSP/BIOS
* Bridge object.
* objType: Type of object.
* pszPathName: Path to the object's COFF file.
* Returns:
* DSP_SOK: Success.
* DSP_EFAIL: Failed to register object.
* Requires:
* DCD initialized.
* pUuid and szPathName are non-NULL values.
* objType is a valid type value.
* Ensures:
*/
extern DSP_STATUS DCD_RegisterObject(IN struct DSP_UUID * pUuid,
IN DSP_DCDOBJTYPE objType,
IN CHAR * pszPathName);
/*
* ======== DCD_UnregisterObject ========
* Purpose:
* This function de-registers a valid DSP/BIOS Bridge object from the DCD
* database.
* Parameters:
* pUuid: Pointer to a DSP_UUID that identifies a DSP/BIOS Bridge
* object.
* objType: Type of object.
* Returns:
* DSP_SOK: Success.
* DSP_EFAIL: Unable to de-register the specified object.
* Requires:
* DCD initialized.
* pUuid is a non-NULL value.
* objType is a valid type value.
* Ensures:
*/
extern DSP_STATUS DCD_UnregisterObject(IN struct DSP_UUID * pUuid,
IN DSP_DCDOBJTYPE objType);
#ifdef __cplusplus
}
#endif
#endif /* _DBDCD_H */