isci: uplevel phy infrastructure
[deliverable/linux.git] / drivers / scsi / isci / core / scic_sds_port_configuration_agent.h
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1/*
2 * This file is provided under a dual BSD/GPLv2 license. When using or
3 * redistributing this file, you may do so under either license.
4 *
5 * GPL LICENSE SUMMARY
6 *
7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * BSD LICENSE
25 *
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
27 * All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 *
33 * * Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * * Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in
37 * the documentation and/or other materials provided with the
38 * distribution.
39 * * Neither the name of Intel Corporation nor the names of its
40 * contributors may be used to endorse or promote products derived
41 * from this software without specific prior written permission.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 */
55
56#ifndef _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_
57#define _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_
58
59/**
60 * This file contains the structures, constants and prototypes used for the
61 * core controller automatic port configuration engine.
62 *
63 *
64 */
65
66#include "scic_sds_port.h"
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67
68struct scic_sds_controller;
69struct scic_sds_port_configuration_agent;
70struct scic_sds_port;
71struct scic_sds_phy;
72
de728b7d 73typedef void (*scic_sds_port_configuration_agent_phy_handler_t)(
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74 struct scic_sds_controller *,
75 struct scic_sds_port_configuration_agent *,
76 struct scic_sds_port *,
77 struct scic_sds_phy *
78 );
79
80struct SCIC_SDS_PORT_RANGE {
81 u8 min_index;
82 u8 max_index;
83};
84
85struct scic_sds_port_configuration_agent {
86 u16 phy_configured_mask;
87 u16 phy_ready_mask;
88
89 struct SCIC_SDS_PORT_RANGE phy_valid_port_range[SCI_MAX_PHYS];
90
91 bool timer_pending;
92
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93 scic_sds_port_configuration_agent_phy_handler_t link_up_handler;
94 scic_sds_port_configuration_agent_phy_handler_t link_down_handler;
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95
96 void *timer;
97
98};
99
100void scic_sds_port_configuration_agent_construct(
101 struct scic_sds_port_configuration_agent *port_agent);
102
103enum sci_status scic_sds_port_configuration_agent_initialize(
104 struct scic_sds_controller *controller,
105 struct scic_sds_port_configuration_agent *port_agent);
106
107#endif /* _SCIC_SDS_PORT_CONFIGURATION_AGENT_H_ */
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