SSL remote_node_context.h
Interaktion und PortierbarkeitC
/* * 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. * * Neither the name of 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. * * 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.
*/
/** * This file contains the structures, constants, and prototypes associated with * the remote node context in the silicon. It exists to model and manage * the remote node context in the silicon. * *
*/
#include"isci.h"
/** * * * This constant represents an invalid remote device id, it is used to program * the STPDARNI register so the driver knows when it has received a SIGNATURE * FIS from the SCU.
*/ #define SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX 0x0FFF
/** * enum sci_remote_node_context_states * @SCI_RNC_INITIAL initial state for a remote node context. On a resume * request the remote node context will transition to the posting state. * * @SCI_RNC_POSTING: transition state that posts the RNi to the hardware. Once * the RNC is posted the remote node context will be made ready. * * @SCI_RNC_INVALIDATING: transition state that will post an RNC invalidate to * the hardware. Once the invalidate is complete the remote node context will * transition to the posting state. * * @SCI_RNC_RESUMING: transition state that will post an RNC resume to the * hardare. Once the event notification of resume complete is received the * remote node context will transition to the ready state. * * @SCI_RNC_READY: state that the remote node context must be in to accept io * request operations. * * @SCI_RNC_TX_SUSPENDED: state that the remote node context transitions to when * it gets a TX suspend notification from the hardware. * * @SCI_RNC_TX_RX_SUSPENDED: state that the remote node context transitions to * when it gets a TX RX suspend notification from the hardware. * * @SCI_RNC_AWAIT_SUSPENSION: wait state for the remote node context that waits * for a suspend notification from the hardware. This state is entered when * either there is a request to supend the remote node context or when there is * a TC completion where the remote node will be suspended by the hardware.
*/ #define RNC_STATES {\
C(RNC_INITIAL),\
C(RNC_POSTING),\
C(RNC_INVALIDATING),\
C(RNC_RESUMING),\
C(RNC_READY),\
C(RNC_TX_SUSPENDED),\
C(RNC_TX_RX_SUSPENDED),\
C(RNC_AWAIT_SUSPENSION),\
} #undef C #define C(a) SCI_##a enum scis_sds_remote_node_context_states RNC_STATES; #undef C constchar *rnc_state_name(enum scis_sds_remote_node_context_states state);
/** * * * This enumeration is used to define the end destination state for the remote * node context.
*/ enum sci_remote_node_context_destination_state {
RNC_DEST_UNSPECIFIED,
RNC_DEST_READY,
RNC_DEST_FINAL,
RNC_DEST_SUSPENDED, /* Set when suspend during post/invalidate */
RNC_DEST_SUSPENDED_RESUME /* Set when a resume was done during posting * or invalidating and already suspending.
*/
};
/** * struct sci_remote_node_context - This structure contains the data * associated with the remote node context object. The remote node context * (RNC) object models the the remote device information necessary to manage * the silicon RNC.
*/ struct sci_remote_node_context { /** * This field indicates the remote node index (RNI) associated with * this RNC.
*/
u16 remote_node_index;
/** * This field is the recored suspension type of the remote node * context suspension.
*/
u32 suspend_type; enum sci_remote_node_suspension_reasons suspend_reason;
u32 suspend_count;
/** * This field is true if the remote node context is resuming from its current * state. This can cause an automatic resume on receiving a suspension * notification.
*/ enum sci_remote_node_context_destination_state destination_state;
/** * This field contains the callback function that the user requested to be * called when the requested state transition is complete.
*/
scics_sds_remote_node_context_callback user_callback;
/** * This field contains the parameter that is called when the user requested * state transition is completed.
*/ void *user_cookie;
/** * This field contains the data for the object's state machine.
*/ struct sci_base_state_machine sm;
};
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.