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1 | #ifndef _LINUX_H |
2 | #define _LINUX_H | |
3 | /* | |
05d6ac1d | 4 | * Copyright(c) 2015, 2016 Intel Corporation. |
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5 | * |
6 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
7 | * redistributing this file, you may do so under either license. | |
8 | * | |
9 | * GPL LICENSE SUMMARY | |
10 | * | |
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11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of version 2 of the GNU General Public License as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * BSD LICENSE | |
21 | * | |
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22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * | |
26 | * - Redistributions of source code must retain the above copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * - Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in | |
30 | * the documentation and/or other materials provided with the | |
31 | * distribution. | |
32 | * - Neither the name of Intel Corporation nor the names of its | |
33 | * contributors may be used to endorse or promote products derived | |
34 | * from this software without specific prior written permission. | |
35 | * | |
36 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
37 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
38 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
39 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
40 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
42 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
43 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
44 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
45 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
46 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * | |
48 | */ | |
49 | ||
50 | /* | |
51 | * This header file is for OPA-specific definitions which are | |
52 | * required by the HFI driver, and which aren't yet in the Linux | |
53 | * IB core. We'll collect these all here, then merge them into | |
54 | * the kernel when that's convenient. | |
55 | */ | |
56 | ||
57 | /* OPA SMA attribute IDs */ | |
58 | #define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b) | |
59 | #define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f) | |
60 | #define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090) | |
61 | #define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091) | |
62 | ||
63 | /* OPA PMA attribute IDs */ | |
64 | #define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040) | |
65 | #define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041) | |
66 | #define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042) | |
67 | #define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043) | |
68 | #define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044) | |
69 | ||
70 | /* OPA status codes */ | |
71 | #define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100) | |
72 | ||
73 | static inline u8 port_states_to_logical_state(struct opa_port_states *ps) | |
74 | { | |
75 | return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE; | |
76 | } | |
77 | ||
78 | static inline u8 port_states_to_phys_state(struct opa_port_states *ps) | |
79 | { | |
80 | return ((ps->portphysstate_portstate & | |
81 | OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf; | |
82 | } | |
83 | ||
84 | /* | |
85 | * OPA port physical states | |
86 | * IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState | |
87 | * values. | |
88 | * | |
89 | * When writing, only values 0-3 are valid, other values are ignored. | |
90 | * When reading, 0 is reserved. | |
91 | * | |
92 | * Returned by the ibphys_portstate() routine. | |
93 | */ | |
94 | enum opa_port_phys_state { | |
95 | IB_PORTPHYSSTATE_NOP = 0, | |
96 | /* 1 is reserved */ | |
97 | IB_PORTPHYSSTATE_POLLING = 2, | |
98 | IB_PORTPHYSSTATE_DISABLED = 3, | |
99 | IB_PORTPHYSSTATE_TRAINING = 4, | |
100 | IB_PORTPHYSSTATE_LINKUP = 5, | |
101 | IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6, | |
102 | IB_PORTPHYSSTATE_PHY_TEST = 7, | |
103 | /* 8 is reserved */ | |
104 | OPA_PORTPHYSSTATE_OFFLINE = 9, | |
105 | OPA_PORTPHYSSTATE_GANGED = 10, | |
106 | OPA_PORTPHYSSTATE_TEST = 11, | |
107 | OPA_PORTPHYSSTATE_MAX = 11, | |
108 | /* values 12-15 are reserved/ignored */ | |
109 | }; | |
110 | ||
77241056 | 111 | #endif /* _LINUX_H */ |