![Menon, Nishanth](/assets/img/avatar_default.png)
Remove OUT modifier which makes no sense for linux kernel Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
359 lines
12 KiB
C
359 lines
12 KiB
C
/*
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* dbdcd.h
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* Defines the DSP/BIOS Bridge Configuration Database (DCD) API.
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*
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* Copyright (C) 2008 Texas Instruments, Inc.
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*
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef DBDCD_
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#define DBDCD_
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#include <dspbridge/dbdcddef.h>
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#include <dspbridge/host_os.h>
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#include <dspbridge/nldrdefs.h>
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/*
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* ======== dcd_auto_register ========
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* Purpose:
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* This function automatically registers DCD objects specified in a
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* special COFF section called ".dcd_register"
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* sz_coff_path: Pointer to name of COFF file containing DCD
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* objects to be registered.
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* Returns:
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* 0: Success.
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* -EACCES: Unable to find auto-registration/read/load section.
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* -EFAULT: Invalid DCD_HMANAGER handle..
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* Requires:
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* DCD initialized.
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* Ensures:
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* Note:
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* Due to the DCD database construction, it is essential for a DCD-enabled
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* COFF file to contain the right COFF sections, especially
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* ".dcd_register", which is used for auto registration.
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*/
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extern int dcd_auto_register(struct dcd_manager *hdcd_mgr,
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char *sz_coff_path);
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/*
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* ======== dcd_auto_unregister ========
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* Purpose:
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* This function automatically unregisters DCD objects specified in a
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* special COFF section called ".dcd_register"
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* sz_coff_path: Pointer to name of COFF file containing
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* DCD objects to be unregistered.
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* Returns:
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* 0: Success.
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* -EACCES: Unable to find auto-registration/read/load section.
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* -EFAULT: Invalid DCD_HMANAGER handle..
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* Requires:
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* DCD initialized.
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* Ensures:
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* Note:
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* Due to the DCD database construction, it is essential for a DCD-enabled
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* COFF file to contain the right COFF sections, especially
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* ".dcd_register", which is used for auto unregistration.
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*/
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extern int dcd_auto_unregister(struct dcd_manager *hdcd_mgr,
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char *sz_coff_path);
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/*
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* ======== dcd_create_manager ========
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* Purpose:
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* This function creates a DCD module manager.
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* Parameters:
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* sz_zl_dll_name: Pointer to a DLL name string.
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* dcd_mgr: A pointer to a DCD manager handle.
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* Returns:
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* 0: Success.
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* -ENOMEM: Unable to allocate memory for DCD manager handle.
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* -EPERM: General failure.
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* Requires:
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* DCD initialized.
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* sz_zl_dll_name is non-NULL.
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* dcd_mgr is non-NULL.
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* Ensures:
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* A DCD manager handle is created.
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*/
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extern int dcd_create_manager(char *sz_zl_dll_name,
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struct dcd_manager **dcd_mgr);
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/*
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* ======== dcd_destroy_manager ========
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* Purpose:
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* This function destroys a DCD module manager.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* Returns:
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* 0: Success.
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* -EFAULT: Invalid DCD manager handle.
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* Requires:
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* DCD initialized.
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* Ensures:
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*/
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extern int dcd_destroy_manager(struct dcd_manager *hdcd_mgr);
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/*
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* ======== dcd_enumerate_object ========
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* Purpose:
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* This function enumerates currently visible DSP/BIOS Bridge objects
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* and returns the UUID and type of each enumerated object.
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* Parameters:
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* index: The object enumeration index.
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* obj_type: Type of object to enumerate.
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* uuid_obj: Pointer to a dsp_uuid object.
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* Returns:
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* 0: Success.
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* -EPERM: Unable to enumerate through the DCD database.
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* ENODATA: Enumeration completed. This is not an error code.
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* Requires:
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* DCD initialized.
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* uuid_obj is a valid pointer.
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* Ensures:
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* Details:
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* This function can be used in conjunction with dcd_get_object_def to
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* retrieve object properties.
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*/
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extern int dcd_enumerate_object(s32 index,
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enum dsp_dcdobjtype obj_type,
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struct dsp_uuid *uuid_obj);
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/*
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* ======== dcd_exit ========
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* Purpose:
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* This function cleans up the DCD module.
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* Parameters:
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* Returns:
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* Requires:
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* DCD initialized.
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* Ensures:
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*/
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extern void dcd_exit(void);
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/*
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* ======== dcd_get_dep_libs ========
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* Purpose:
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* Given the uuid of a library and size of array of uuids, this function
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* fills the array with the uuids of all dependent libraries of the input
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* library.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* uuid_obj: Pointer to a dsp_uuid for a library.
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* num_libs: Size of uuid array (number of library uuids).
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* dep_lib_uuids: Array of dependent library uuids to be filled in.
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* prstnt_dep_libs: Array indicating if corresponding lib is persistent.
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* phase: phase to obtain correct input library
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* Returns:
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* 0: Success.
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* -ENOMEM: Memory allocation failure.
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* -EACCES: Failure to read section containing library info.
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* -EPERM: General failure.
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* Requires:
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* DCD initialized.
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* Valid hdcd_mgr.
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* uuid_obj != NULL
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* dep_lib_uuids != NULL.
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* Ensures:
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*/
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extern int dcd_get_dep_libs(struct dcd_manager *hdcd_mgr,
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struct dsp_uuid *uuid_obj,
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u16 num_libs,
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struct dsp_uuid *dep_lib_uuids,
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bool *prstnt_dep_libs,
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enum nldr_phase phase);
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/*
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* ======== dcd_get_num_dep_libs ========
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* Purpose:
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* Given the uuid of a library, determine its number of dependent
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* libraries.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* uuid_obj: Pointer to a dsp_uuid for a library.
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* num_libs: Size of uuid array (number of library uuids).
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* num_pers_libs: number of persistent dependent library.
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* phase: Phase to obtain correct input library
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* Returns:
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* 0: Success.
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* -ENOMEM: Memory allocation failure.
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* -EACCES: Failure to read section containing library info.
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* -EPERM: General failure.
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* Requires:
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* DCD initialized.
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* Valid hdcd_mgr.
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* uuid_obj != NULL
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* num_libs != NULL.
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* Ensures:
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*/
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extern int dcd_get_num_dep_libs(struct dcd_manager *hdcd_mgr,
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struct dsp_uuid *uuid_obj,
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u16 *num_libs,
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u16 *num_pers_libs,
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enum nldr_phase phase);
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/*
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* ======== dcd_get_library_name ========
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* Purpose:
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* This function returns the name of a (dynamic) library for a given
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* UUID.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* uuid_obj: Pointer to a dsp_uuid that represents a unique DSP/BIOS
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* Bridge object.
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* str_lib_name: Buffer to hold library name.
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* buff_size: Contains buffer size. Set to string size on output.
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* phase: Which phase to load
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* phase_split: Are phases in multiple libraries
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* Returns:
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* 0: Success.
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* -EPERM: General failure.
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* Requires:
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* DCD initialized.
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* Valid hdcd_mgr.
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* str_lib_name != NULL.
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* uuid_obj != NULL
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* buff_size != NULL.
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* Ensures:
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*/
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extern int dcd_get_library_name(struct dcd_manager *hdcd_mgr,
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struct dsp_uuid *uuid_obj,
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char *str_lib_name,
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u32 *buff_size,
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enum nldr_phase phase,
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bool *phase_split);
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/*
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* ======== dcd_get_object_def ========
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* Purpose:
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* This function returns the properties/attributes of a DSP/BIOS Bridge
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* object.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* uuid_obj: Pointer to a dsp_uuid that represents a unique
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* DSP/BIOS Bridge object.
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* obj_type: The type of DSP/BIOS Bridge object to be
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* referenced (node, processor, etc).
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* obj_def: Pointer to an object definition structure. A
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* union of various possible DCD object types.
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* Returns:
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* 0: Success.
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* -EACCES: Unable to access/read/parse/load content of object code
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* section.
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* -EPERM: General failure.
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* -EFAULT: Invalid DCD_HMANAGER handle.
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* Requires:
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* DCD initialized.
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* obj_uuid is non-NULL.
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* obj_def is non-NULL.
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* Ensures:
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*/
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extern int dcd_get_object_def(struct dcd_manager *hdcd_mgr,
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struct dsp_uuid *obj_uuid,
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enum dsp_dcdobjtype obj_type,
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struct dcd_genericobj *obj_def);
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/*
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* ======== dcd_get_objects ========
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* Purpose:
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* This function finds all DCD objects specified in a special
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* COFF section called ".dcd_register", and for each object,
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* call a "register" function. The "register" function may perform
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* various actions, such as 1) register nodes in the node database, 2)
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* unregister nodes from the node database, and 3) add overlay nodes.
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* Parameters:
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* hdcd_mgr: A DCD manager handle.
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* sz_coff_path: Pointer to name of COFF file containing DCD
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* objects.
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* register_fxn: Callback fxn to be applied on each located
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* DCD object.
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* handle: Handle to pass to callback.
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* Returns:
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* 0: Success.
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* -EACCES: Unable to access/read/parse/load content of object code
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* section.
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* -EFAULT: Invalid DCD_HMANAGER handle..
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* Requires:
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* DCD initialized.
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* Ensures:
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* Note:
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* Due to the DCD database construction, it is essential for a DCD-enabled
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* COFF file to contain the right COFF sections, especially
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* ".dcd_register", which is used for auto registration.
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*/
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extern int dcd_get_objects(struct dcd_manager *hdcd_mgr,
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char *sz_coff_path,
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dcd_registerfxn register_fxn, void *handle);
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/*
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* ======== dcd_init ========
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* Purpose:
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* This function initializes DCD.
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* Parameters:
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* Returns:
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* FALSE: Initialization failed.
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* TRUE: Initialization succeeded.
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* Requires:
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* Ensures:
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* DCD initialized.
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*/
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extern bool dcd_init(void);
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/*
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* ======== dcd_register_object ========
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* Purpose:
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* This function registers a DSP/BIOS Bridge object in the DCD database.
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* Parameters:
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* uuid_obj: Pointer to a dsp_uuid that identifies a DSP/BIOS
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* Bridge object.
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* obj_type: Type of object.
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* psz_path_name: Path to the object's COFF file.
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* Returns:
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* 0: Success.
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* -EPERM: Failed to register object.
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* Requires:
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* DCD initialized.
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* uuid_obj and szPathName are non-NULL values.
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* obj_type is a valid type value.
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* Ensures:
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*/
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extern int dcd_register_object(struct dsp_uuid *uuid_obj,
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enum dsp_dcdobjtype obj_type,
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char *psz_path_name);
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/*
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* ======== dcd_unregister_object ========
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* Purpose:
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* This function de-registers a valid DSP/BIOS Bridge object from the DCD
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* database.
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* Parameters:
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* uuid_obj: Pointer to a dsp_uuid that identifies a DSP/BIOS Bridge
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* object.
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* obj_type: Type of object.
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* Returns:
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* 0: Success.
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* -EPERM: Unable to de-register the specified object.
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* Requires:
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* DCD initialized.
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* uuid_obj is a non-NULL value.
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* obj_type is a valid type value.
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* Ensures:
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*/
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extern int dcd_unregister_object(struct dsp_uuid *uuid_obj,
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enum dsp_dcdobjtype obj_type);
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#endif /* _DBDCD_H */
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