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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/scom/scom.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2014 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __SCOM_H
#define __SCOM_H
#include <devicefw/driverif.H>
/** @file scom.H
* @brief Provides the interfaces to perform a SCom
*/
namespace SCOM
{
/**
* @brief Indirect SCOM Status
*/
union IndirectScom_t
{
uint64_t data64;
struct
{
uint64_t :12; //0:11
uint64_t addr:20; //12:31
uint64_t done:1; //32
uint64_t piberr:3; //33:35
uint64_t userstat:4; //36:39
uint64_t :8; //40:47
uint64_t data:16; //48:63
};
};
enum ScomErrorMask
{
// checkf for complete bit .. bit 32
SCOM_IND_COMPLETE_MASK = 0x0000000080000000,
//check for bits 33-35
SCOM_IND_ERROR_MASK = 0x0000000070000000
};
/**
* @brief Performs a SCom operation
* This function performs a SCOM operation by calling
* checkIndirectScomOP. It handles whether the address
* a regular or an indirect SCOM address
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target SCom target
* @param[in/out] io_buffer Read: pointer to output data storage
* Write: pointer to data to be written
* @param[in/out] io_buflen Input: size of io_buffer (in bytes)
* Output: Read: size of output data
* Write: size of data written
* @param[in] i_accessType Select from DeviceFW::AccessType enum
* @see usr/devicefw/(userif.H)
* @param[in] i_args This is an argument list for DD framework.
* In this function, there's only one argument,
* which is the SCom address value.
*
* @return errlHndl_t
*/
errlHndl_t scomPerformOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
va_list i_args);
/**
* @brief Performs a SCom operation on a target TYPE_MEMBUF
* This function performs a SCOM operation by calling
* checkIndirectScomOP. It handles whether the address
* a regular or an indirect SCOM address
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target SCom target
* @param[in/out] io_buffer Read: pointer to output data storage
* Write: pointer to data to be written
* @param[in/out] io_buflen Input: size of io_buffer (in bytes)
* Output: Read: size of output data
* Write: size of data written
* @param[in] i_accessType Select from DeviceFW::AccessType enum
* @see usr/devicefw/(userif.H)
* @param[in] i_args This is an argument list for DD framework.
* In this function, there's only one argument,
* which is the SCom address value.
*
* @return errlHndl_t
*/
errlHndl_t scomMemBufPerformOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
va_list i_args);
/**
* @brief Performs a SCom operation
* This function performs an SCom Read/Write operation. It follows a
* pre-defined prototype functions in order to be registered with the
* device-driver framework.
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target SCom target
* @param[in/out] io_buffer Read: pointer to output data storage
* Write: pointer to data to be written
* @param[in/out] io_buflen Input: size of io_buffer (in bytes)
* Output: Read: size of output data
* Write: size of data written
* @param[in] i_accessType Select from DeviceFW::AccessType enum
* @see usr/devicefw/userif.H
* @param[in] i_addr scom Address Value
*
* @return errlHndl_t
*/
errlHndl_t doScomOp(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
uint64_t i_addr);
/**
* @brief Performs a SCom operation
* This function performs a SCOM operation by calling doScomOP after
* It handles whether the address is a regular or an indirect SCOM
* address
*
* @param[in] i_opType Operation type
* @param[in] i_target SCom target
* @param[in/out] io_buffer Read: pointer to output data storage
* Write: pointer to data to be written
* @param[in/out] io_buflen Input: size of io_buffer (in bytes)
* Output: Read: size of output data
* Write: size of data written
* @param[in] i_accessType Select from DeviceFW::AccessType enum
* @see usr/devicefw/userif.H
* @param[in] i_addr Scom Address Value.
*
* @return errlHndl_t
*/
errlHndl_t checkIndirectAndDoScom(DeviceFW::OperationType i_opType,
TARGETING::Target* i_target,
void* io_buffer,
size_t& io_buflen,
int64_t i_accessType,
uint64_t i_addr);
}; // End namespace
#endif
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