| Dan Williams | 6f231dd | 2011-07-02 22:56:22 -0700 | [diff] [blame^] | 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 | /** |
| 57 | * This file contains the isci_port object definition. |
| 58 | * |
| 59 | * port.h |
| 60 | */ |
| 61 | |
| 62 | #if !defined(_ISCI_PORT_H_) |
| 63 | #define _ISCI_PORT_H_ |
| 64 | |
| 65 | struct isci_phy; |
| 66 | struct isci_host; |
| 67 | |
| 68 | |
| 69 | enum isci_status { |
| 70 | isci_freed = 0x00, |
| 71 | isci_starting = 0x01, |
| 72 | isci_ready = 0x02, |
| 73 | isci_ready_for_io = 0x03, |
| 74 | isci_stopping = 0x04, |
| 75 | isci_stopped = 0x05, |
| 76 | isci_host_quiesce = 0x06 |
| 77 | }; |
| 78 | |
| 79 | /** |
| 80 | * struct isci_port - This class represents the port object used to internally |
| 81 | * represent libsas port objects. It also keeps a list of remote device |
| 82 | * objects. |
| 83 | * |
| 84 | * |
| 85 | */ |
| 86 | struct isci_port { |
| 87 | |
| 88 | struct scic_sds_port *sci_port_handle; |
| 89 | |
| 90 | enum isci_status status; |
| 91 | struct isci_host *isci_host; |
| 92 | struct asd_sas_port sas_port; |
| 93 | struct list_head remote_dev_list; |
| 94 | spinlock_t remote_device_lock; |
| 95 | spinlock_t state_lock; |
| 96 | struct list_head domain_dev_list; |
| 97 | struct completion start_complete; |
| 98 | struct completion hard_reset_complete; |
| 99 | enum sci_status hard_reset_status; |
| 100 | }; |
| 101 | |
| 102 | #define to_isci_port(p) \ |
| 103 | container_of(p, struct isci_port, sas_port); |
| 104 | |
| 105 | enum isci_status isci_port_get_state( |
| 106 | struct isci_port *isci_port); |
| 107 | |
| 108 | |
| 109 | |
| 110 | void isci_port_formed( |
| 111 | struct asd_sas_phy *); |
| 112 | |
| 113 | void isci_port_deformed( |
| 114 | struct asd_sas_phy *); |
| 115 | |
| 116 | void isci_port_bc_change_received( |
| 117 | struct isci_host *isci_host, |
| 118 | struct scic_sds_port *port, |
| 119 | struct scic_sds_phy *phy); |
| 120 | |
| 121 | void isci_port_link_up( |
| 122 | struct isci_host *isci_host, |
| 123 | struct scic_sds_port *port, |
| 124 | struct scic_sds_phy *phy); |
| 125 | |
| 126 | void isci_port_link_down( |
| 127 | struct isci_host *isci_host, |
| 128 | struct isci_phy *isci_phy, |
| 129 | struct isci_port *port); |
| 130 | |
| 131 | void isci_port_ready( |
| 132 | struct isci_host *isci_host, |
| 133 | struct isci_port *isci_port); |
| 134 | |
| 135 | void isci_port_not_ready( |
| 136 | struct isci_host *isci_host, |
| 137 | struct isci_port *port); |
| 138 | |
| 139 | void isci_port_init( |
| 140 | struct isci_port *port, |
| 141 | struct isci_host *host, |
| 142 | int index); |
| 143 | |
| 144 | void isci_port_hard_reset_complete( |
| 145 | struct isci_port *isci_port, |
| 146 | enum sci_status completion_status); |
| 147 | |
| 148 | int isci_port_perform_hard_reset( |
| 149 | struct isci_port *isci_port_ptr, |
| 150 | struct isci_phy *isci_phy_ptr); |
| 151 | |
| 152 | #endif /* !defined(_ISCI_PORT_H_) */ |
| 153 | |