/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * 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. * * $FreeBSD$ */ #ifndef _SCIC_REMOTE_DEVICE_H_ #define _SCIC_REMOTE_DEVICE_H_ /** * @file * * @brief This file contains all of the interface methods that can be called * by an SCIC user on the device object. */ #ifdef __cplusplus extern "C" { #endif // __cplusplus #include #include #include /** * @brief */ typedef enum SCIC_REMOTE_DEVICE_NOT_READY_REASON_CODE { SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED, SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED, SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED, SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED, SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED, SCIC_REMOTE_DEVICE_NOT_READY_REASON_CODE_MAX } SCIC_REMOTE_DEVICE_NOT_READY_REASON_CODE_T; /** * @brief This method simply returns the maximum memory space needed to * store a remote device object. * * @return a positive integer value indicating the size (in bytes) of the * remote device object. */ U32 scic_remote_device_get_object_size( void ); /** * @brief This method will perform the construction common to all * remote device objects. * * @note It isn't necessary to call scic_remote_device_destruct() for * device objects that have only called this method for construction. * Once subsequent construction methods have been invoked (e.g. * scic_remote_device_da_construct()), then destruction should occur. * @note * * @param[in] port This parameter specifies the SAS/SATA Port handle * corresponding to the port through which this device * is to be accessed. * @param[in] remote_device_memory This parameter specifies the memory * location to be used by the SCIC implementation to store the * SCIC REMOTE DEVICE. * @param[out] new_remote_device_handle An opaque remote device handle to * be used by the SCIC user for all subsequent remote device * operations. * * @return none */ void scic_remote_device_construct( SCI_PORT_HANDLE_T port, void * remote_device_memory, SCI_REMOTE_DEVICE_HANDLE_T * new_remote_device_handle ); /** * @brief This method will construct a SCIC_REMOTE_DEVICE object for a * direct attached (da) device. The information (e.g. IAF, Signature * FIS, etc.) necessary to build the device is known to the SCI Core * since it is contained in the scic_phy object. * * @pre The user must have previously called scic_remote_device_construct() * * @note Remote device objects are a limited resource. As such, they * must be protected. Thus calls to construct and destruct are * mutually exclusive and non-reentrant. * * @param[in] remote_device This parameter specifies the remote device to be * destructed. * * @return Indicate if the remote device was successfully constructed. * @retval SCI_SUCCESS Returned if the device was successfully constructed. * @retval SCI_FAILURE_DEVICE_EXISTS Returned if the device has already * been constructed. If it's an additional phy for the target, then * call scic_remote_device_da_add_phy(). * @retval SCI_FAILURE_UNSUPPORTED_PROTOCOL Returned if the supplied * parameters necessitate creation of a remote device for which * the protocol is not supported by the underlying controller * hardware. * @retval SCI_FAILURE_INSUFFICIENT_RESOURCES This value is returned if * the core controller associated with the supplied parameters * is unable to support additional remote devices. */ SCI_STATUS scic_remote_device_da_construct( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); /** * @brief This method will construct an SCIC_REMOTE_DEVICE object for an * expander attached (ea) device from an SMP Discover Response. * * @pre The user must have previously called scic_remote_device_construct() * * @note Remote device objects are a limited resource. As such, they * must be protected. Thus calls to construct and destruct are * mutually exclusive and non-reentrant. * * @param[in] remote_device This parameter specifies the remote device to be * destructed. * @param[in] discover_response This parameter specifies the SMP * Discovery Response to be used in device creation. * * @return Indicate if the remote device was successfully constructed. * @retval SCI_SUCCESS Returned if the device was successfully constructed. * @retval SCI_FAILURE_DEVICE_EXISTS Returned if the device has already * been constructed. If it's an additional phy for the target, then * call scic_ea_remote_device_add_phy(). * @retval SCI_FAILURE_UNSUPPORTED_PROTOCOL Returned if the supplied * parameters necessitate creation of a remote device for which * the protocol is not supported by the underlying controller * hardware. * @retval SCI_FAILURE_INSUFFICIENT_RESOURCES This value is returned if * the core controller associated with the supplied parameters * is unable to support additional remote devices. */ SCI_STATUS scic_remote_device_ea_construct( SCI_REMOTE_DEVICE_HANDLE_T remote_device, SMP_RESPONSE_DISCOVER_T * discover_response ); /** * @brief This method is utilized to free up a core's remote device object. * * @note Remote device objects are a limited resource. As such, they * must be protected. Thus calls to construct and destruct are * mutually exclusive and non-reentrant. * * @param[in] remote_device This parameter specifies the remote device to be * destructed. * * @return The return value shall indicate if the device was successfully * destructed or if some failure occurred. * @retval SCI_STATUS This value is returned if the device is successfully * destructed. * @retval SCI_FAILURE_INVALID_REMOTE_DEVICE This value is returned if the * supplied device isn't valid (e.g. it's already been destoryed, * the handle isn't valid, etc.). */ SCI_STATUS scic_remote_device_destruct( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); #if !defined(DISABLE_WIDE_PORTED_TARGETS) /** * @brief This method will attempt to set port width for a remote device. * * @param[in] remote_device This parameter specifies the remote device * object for which to set new port width. * @param[in] new_port_width The new port width to update. * * @return Indicate if the device port width was successfully updated. * @retval SCI_SUCCESS This value is returned when port width update was successful. * @retval SCI_FAILURE The port width update failed. */ SCI_STATUS scic_remote_device_set_port_width( SCI_REMOTE_DEVICE_HANDLE_T remote_device, U8 new_port_width ); /** * @brief This method retrieve the SCIC's record of a remote device's port width. * * @param[in] remote_device This parameter specifies the remote device * object for which to retrieve the port width value. * * @return The SCIC's record of a remote device's port width */ U8 scic_remote_device_get_port_width( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); #define scic_remote_device_da_add_phy(device, phy) SCI_FAILURE #define scic_remote_device_ea_add_phy(device, response) SCI_FAILURE #define scic_remote_device_remove_phy(device) SCI_FAILURE #else // !defined(DISABLE_WIDE_PORTED_TARGETS) #define scic_remote_device_set_port_width(device, port_width) SCI_FAILURE #define scic_remote_device_get_port_width(device) (1) #define scic_remote_device_da_add_phy(device, phy) SCI_FAILURE #define scic_remote_device_ea_add_phy(device, response) SCI_FAILURE #define scic_remote_device_remove_phy(device) SCI_FAILURE #endif // !defined(DISABLE_WIDE_PORTED_TARGETS) /** * @brief This method will start the supplied remote device. This method * enables normal IO requests to flow through to the remote device. * * @param[in] remote_device This parameter specifies the device to be * started. * @param[in] timeout This parameter specifies the number of milliseconds * in which the start operation should complete. * * @return An indication of whether the device was successfully started. * @retval SCI_SUCCESS This value is returned if the device was successfully * started. * @retval SCI_FAILURE_INVALID_PHY This value is returned if the user attempts * to start the device when there have been no phys added to it. */ SCI_STATUS scic_remote_device_start( SCI_REMOTE_DEVICE_HANDLE_T remote_device, U32 timeout ); /** * @brief This method will stop both transmission and reception of link * activity for the supplied remote device. This method disables * normal IO requests from flowing through to the remote device. * * @param[in] remote_device This parameter specifies the device to be * stopped. * @param[in] timeout This parameter specifies the number of milliseconds * in which the stop operation should complete. * * @return An indication of whether the device was successfully stopped. * @retval SCI_SUCCESS This value is returned if the transmission and reception * for the device was successfully stopped. */ SCI_STATUS scic_remote_device_stop( SCI_REMOTE_DEVICE_HANDLE_T remote_device, U32 timeout ); /** * @brief This method will reset the device making it ready for operation. * This method must be called anytime the device is reset either * through a SMP phy control or a port hard reset request. * * @note This method does not actually cause the device hardware to be reset. * This method resets the software object so that it will be operational * after a device hardware reset completes. * * @param[in] remote_device This parameter specifies the device to be * reset. * * @return An indication of whether the device reset was accepted. * @retval SCI_SUCCESS This value is returned if the device reset is started. */ SCI_STATUS scic_remote_device_reset( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); /** * @brief This method informs the device object that the reset operation is * complete and the device can resume operation again. * * @param[in] remote_device This parameter specifies the device which is to * be informed of the reset complete operation. * * @return An indication that the device is resuming operation. * @retval SCI_SUCCESS the device is resuming operation. */ SCI_STATUS scic_remote_device_reset_complete( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); /** * @brief This method returns the suggested target reset timeout. SAS and * SATA devices have different timeout values in milliseconds for * target reset operations. * * @param[in] remote_device This parameter specifies the device which is to * be informed of the reset complete operation. * * @return The suggested reset timeout value for the specified target device * in milliseconds. */ U32 scic_remote_device_get_suggested_reset_timeout( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); /** * @brief This method will set the maximum link speed to be utilized * when connections are established for the supplied remote device. * * @pre The remote device must previously have been stopped for this * call to succeed. * * @param[in] remote_device This parameter specifies the device for which * to set the maximum connection rate. * @param[in] connection_rate This parameter specifies the maximum link rate * to be utilized for all connections to the supplied remote * device. * * @return An indication as to whether the connection rate was successfully * updated. * @retval SCI_SUCCESS This value is returned if the connection rate was * successfully updated. * @retval SCI_FAILURE_INVALID_STATE This value is returned if the remote * device is not in a stopped state or some other state that allows * for a maximum connection rate change. */ SCI_STATUS scic_remote_device_set_max_connection_rate( SCI_REMOTE_DEVICE_HANDLE_T remote_device, SCI_SAS_LINK_RATE connection_rate ); /** * @brief This method simply returns the link rate at which communications * to the remote device occur. * * @param[in] remote_device This parameter specifies the device for which * to get the connection rate. * * @return Return the link rate at which we transfer for the supplied * remote device. */ SCI_SAS_LINK_RATE scic_remote_device_get_connection_rate( SCI_REMOTE_DEVICE_HANDLE_T remote_device ); /** * @brief This method will indicate which protocols are supported by this * remote device. * * @param[in] remote_device This parameter specifies the device for which * to return the protocol. * @param[out] protocols This parameter specifies the output values, from * the remote device object, which indicate the protocols * supported by the supplied remote_device. * * @return The type of protocols supported by this device. The values are * returned as part of a bit mask in order to allow for multi-protocol * support. */ void scic_remote_device_get_protocols( SCI_REMOTE_DEVICE_HANDLE_T remote_device, SMP_DISCOVER_RESPONSE_PROTOCOLS_T * protocols ); /** * @brief This method will indicate the SAS address for the remote device. * * @param[in] remote_device This parameter specifies the device for which * to return the SAS address. * @param[out] sas_address This parameter specifies a pointer to a SAS * address structure into which the core will copy the SAS * address for the remote device. * * @return none */ void scic_remote_device_get_sas_address( SCI_REMOTE_DEVICE_HANDLE_T remote_device, SCI_SAS_ADDRESS_T * sas_address ); #if !defined(DISABLE_ATAPI) /** * This method first decide whether a device is a stp target, then * decode the signature fis of a DA STP device to tell whether it * is a standard end disk or an ATAPI device. * * @param[in] this_device The device whose type is to be decided. * * @return BOOL Indicate a device is ATAPI device or not. */ BOOL scic_remote_device_is_atapi( SCI_REMOTE_DEVICE_HANDLE_T device_handle ); #else // !defined(DISABLE_ATAPI) #define scic_remote_device_is_atapi(device_handle) FALSE #endif // !defined(DISABLE_ATAPI) #ifdef __cplusplus } #endif // __cplusplus #endif // _SCIC_REMOTE_DEVICE_H_