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6f231dda DW |
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 | #if !defined(_ISCI_REMOTE_DEVICE_H_) | |
57 | #define _ISCI_REMOTE_DEVICE_H_ | |
6f231dda DW |
58 | |
59 | struct isci_host; | |
60 | struct scic_sds_remote_device; | |
61 | ||
62 | struct isci_remote_device { | |
6f231dda | 63 | enum isci_status status; |
6ad31fec DW |
64 | #define IDEV_START_PENDING 0 |
65 | #define IDEV_STOP_PENDING 1 | |
d9c37390 | 66 | #define IDEV_ALLOCATED 2 |
6ad31fec | 67 | unsigned long flags; |
6f231dda DW |
68 | struct isci_port *isci_port; |
69 | struct domain_device *domain_dev; | |
6f231dda DW |
70 | struct list_head node; |
71 | struct list_head reqs_in_process; | |
6f231dda | 72 | spinlock_t state_lock; |
6f231dda DW |
73 | }; |
74 | ||
3a97eec6 DW |
75 | static inline struct scic_sds_remote_device *to_sci_dev(struct isci_remote_device *idev) |
76 | { | |
77 | /* core data is an opaque buffer at the end of the idev */ | |
78 | return (struct scic_sds_remote_device *) &idev[1]; | |
79 | } | |
80 | ||
6f231dda DW |
81 | #define to_isci_remote_device(p) \ |
82 | container_of(p, struct isci_remote_device, sci_remote_device); | |
83 | ||
84 | #define ISCI_REMOTE_DEVICE_START_TIMEOUT 5000 | |
85 | ||
86 | ||
6f231dda DW |
87 | /** |
88 | * isci_dev_from_domain_dev() - This accessor retrieves the remote_device | |
89 | * object reference from the Linux domain_device reference. | |
90 | * @domdev,: This parameter points to the Linux domain_device object . | |
91 | * | |
92 | * A reference to the associated isci remote device. | |
93 | */ | |
94 | #define isci_dev_from_domain_dev(domdev) \ | |
95 | ((struct isci_remote_device *)(domdev)->lldd_dev) | |
96 | ||
97 | void isci_remote_device_start_complete( | |
98 | struct isci_host *, | |
99 | struct isci_remote_device *, | |
100 | enum sci_status); | |
101 | ||
102 | void isci_remote_device_stop_complete( | |
103 | struct isci_host *, | |
104 | struct isci_remote_device *, | |
105 | enum sci_status); | |
106 | ||
6ad31fec DW |
107 | enum sci_status isci_remote_device_stop(struct isci_host *ihost, |
108 | struct isci_remote_device *idev); | |
6f231dda DW |
109 | void isci_remote_device_nuke_requests( |
110 | struct isci_remote_device *isci_device); | |
111 | ||
037afc78 DW |
112 | void isci_remote_device_ready(struct isci_host *ihost, |
113 | struct isci_remote_device *idev); | |
6f231dda | 114 | |
037afc78 DW |
115 | void isci_remote_device_not_ready(struct isci_host *ihost, |
116 | struct isci_remote_device *idev, u32 reason); | |
6f231dda DW |
117 | |
118 | void isci_remote_device_gone( | |
119 | struct domain_device *domain_dev); | |
120 | ||
121 | int isci_remote_device_found( | |
122 | struct domain_device *domain_dev); | |
123 | ||
124 | bool isci_device_is_reset_pending( | |
125 | struct isci_host *isci_host, | |
126 | struct isci_remote_device *isci_device); | |
127 | ||
128 | void isci_device_clear_reset_pending( | |
129 | struct isci_remote_device *isci_device); | |
130 | ||
6f231dda DW |
131 | void isci_remote_device_change_state( |
132 | struct isci_remote_device *isci_device, | |
133 | enum isci_status status); | |
134 | ||
135 | #endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */ | |
136 |