| /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ |
| /* |
| * Copyright(c) 2015, 2016 Intel Corporation. |
| */ |
| |
| #ifndef _LINUX_H |
| #define _LINUX_H |
| /* |
| * This header file is for OPA-specific definitions which are |
| * required by the HFI driver, and which aren't yet in the Linux |
| * IB core. We'll collect these all here, then merge them into |
| * the kernel when that's convenient. |
| */ |
| |
| /* OPA SMA attribute IDs */ |
| #define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b) |
| #define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f) |
| #define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090) |
| #define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091) |
| |
| /* OPA PMA attribute IDs */ |
| #define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040) |
| #define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041) |
| #define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042) |
| #define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043) |
| #define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044) |
| |
| /* OPA status codes */ |
| #define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100) |
| |
| static inline u8 port_states_to_logical_state(struct opa_port_states *ps) |
| { |
| return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE; |
| } |
| |
| static inline u8 port_states_to_phys_state(struct opa_port_states *ps) |
| { |
| return ((ps->portphysstate_portstate & |
| OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf; |
| } |
| |
| /* |
| * OPA port physical states |
| * IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState |
| * values are the same in OmniPath Architecture. OPA leverages some of the same |
| * concepts as InfiniBand, but has a few other states as well. |
| * |
| * When writing, only values 0-3 are valid, other values are ignored. |
| * When reading, 0 is reserved. |
| * |
| * Returned by the ibphys_portstate() routine. |
| */ |
| enum opa_port_phys_state { |
| /* Values 0-7 have the same meaning in OPA as in InfiniBand. */ |
| |
| IB_PORTPHYSSTATE_NOP = 0, |
| /* 1 is reserved */ |
| IB_PORTPHYSSTATE_POLLING = 2, |
| IB_PORTPHYSSTATE_DISABLED = 3, |
| IB_PORTPHYSSTATE_TRAINING = 4, |
| IB_PORTPHYSSTATE_LINKUP = 5, |
| IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6, |
| IB_PORTPHYSSTATE_PHY_TEST = 7, |
| /* 8 is reserved */ |
| |
| /* |
| * Offline: Port is quiet (transmitters disabled) due to lack of |
| * physical media, unsupported media, or transition between link up |
| * and next link up attempt |
| */ |
| OPA_PORTPHYSSTATE_OFFLINE = 9, |
| |
| /* 10 is reserved */ |
| |
| /* |
| * Phy_Test: Specific test patterns are transmitted, and receiver BER |
| * can be monitored. This facilitates signal integrity testing for the |
| * physical layer of the port. |
| */ |
| OPA_PORTPHYSSTATE_TEST = 11, |
| |
| OPA_PORTPHYSSTATE_MAX = 11, |
| /* values 12-15 are reserved/ignored */ |
| }; |
| |
| #endif /* _LINUX_H */ |
