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128 lines
4.7 KiB
128 lines
4.7 KiB
#ifndef _LINUX_H |
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#define _LINUX_H |
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/* |
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* Copyright(c) 2015, 2016 Intel Corporation. |
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* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* - Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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/* |
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* This header file is for OPA-specific definitions which are |
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* required by the HFI driver, and which aren't yet in the Linux |
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* IB core. We'll collect these all here, then merge them into |
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* the kernel when that's convenient. |
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*/ |
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/* OPA SMA attribute IDs */ |
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#define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b) |
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#define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f) |
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#define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090) |
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#define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091) |
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/* OPA PMA attribute IDs */ |
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#define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040) |
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#define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041) |
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#define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042) |
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#define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043) |
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#define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044) |
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/* OPA status codes */ |
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#define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100) |
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static inline u8 port_states_to_logical_state(struct opa_port_states *ps) |
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{ |
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return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE; |
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} |
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static inline u8 port_states_to_phys_state(struct opa_port_states *ps) |
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{ |
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return ((ps->portphysstate_portstate & |
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OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf; |
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} |
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/* |
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* OPA port physical states |
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* IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState |
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* values are the same in OmniPath Architecture. OPA leverages some of the same |
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* concepts as InfiniBand, but has a few other states as well. |
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* |
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* When writing, only values 0-3 are valid, other values are ignored. |
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* When reading, 0 is reserved. |
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* |
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* Returned by the ibphys_portstate() routine. |
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*/ |
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enum opa_port_phys_state { |
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/* Values 0-7 have the same meaning in OPA as in InfiniBand. */ |
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IB_PORTPHYSSTATE_NOP = 0, |
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/* 1 is reserved */ |
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IB_PORTPHYSSTATE_POLLING = 2, |
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IB_PORTPHYSSTATE_DISABLED = 3, |
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IB_PORTPHYSSTATE_TRAINING = 4, |
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IB_PORTPHYSSTATE_LINKUP = 5, |
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IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6, |
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IB_PORTPHYSSTATE_PHY_TEST = 7, |
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/* 8 is reserved */ |
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/* |
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* Offline: Port is quiet (transmitters disabled) due to lack of |
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* physical media, unsupported media, or transition between link up |
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* and next link up attempt |
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*/ |
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OPA_PORTPHYSSTATE_OFFLINE = 9, |
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/* 10 is reserved */ |
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/* |
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* Phy_Test: Specific test patterns are transmitted, and receiver BER |
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* can be monitored. This facilitates signal integrity testing for the |
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* physical layer of the port. |
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*/ |
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OPA_PORTPHYSSTATE_TEST = 11, |
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OPA_PORTPHYSSTATE_MAX = 11, |
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/* values 12-15 are reserved/ignored */ |
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}; |
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#endif /* _LINUX_H */
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