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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright(c) 2015, 2016 Intel Corporation.4 */5 6#ifndef _LINUX_H7#define _LINUX_H8/*9 * This header file is for OPA-specific definitions which are10 * required by the HFI driver, and which aren't yet in the Linux11 * IB core. We'll collect these all here, then merge them into12 * the kernel when that's convenient.13 */14 15/* OPA SMA attribute IDs */16#define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b)17#define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f)18#define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090)19#define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091)20 21/* OPA PMA attribute IDs */22#define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040)23#define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041)24#define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042)25#define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043)26#define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044)27 28/* OPA status codes */29#define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100)30 31static inline u8 port_states_to_logical_state(struct opa_port_states *ps)32{33 return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE;34}35 36static inline u8 port_states_to_phys_state(struct opa_port_states *ps)37{38 return ((ps->portphysstate_portstate &39 OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf;40}41 42/*43 * OPA port physical states44 * IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState45 * values are the same in OmniPath Architecture. OPA leverages some of the same46 * concepts as InfiniBand, but has a few other states as well.47 *48 * When writing, only values 0-3 are valid, other values are ignored.49 * When reading, 0 is reserved.50 *51 * Returned by the ibphys_portstate() routine.52 */53enum opa_port_phys_state {54 /* Values 0-7 have the same meaning in OPA as in InfiniBand. */55 56 IB_PORTPHYSSTATE_NOP = 0,57 /* 1 is reserved */58 IB_PORTPHYSSTATE_POLLING = 2,59 IB_PORTPHYSSTATE_DISABLED = 3,60 IB_PORTPHYSSTATE_TRAINING = 4,61 IB_PORTPHYSSTATE_LINKUP = 5,62 IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6,63 IB_PORTPHYSSTATE_PHY_TEST = 7,64 /* 8 is reserved */65 66 /*67 * Offline: Port is quiet (transmitters disabled) due to lack of68 * physical media, unsupported media, or transition between link up69 * and next link up attempt70 */71 OPA_PORTPHYSSTATE_OFFLINE = 9,72 73 /* 10 is reserved */74 75 /*76 * Phy_Test: Specific test patterns are transmitted, and receiver BER77 * can be monitored. This facilitates signal integrity testing for the78 * physical layer of the port.79 */80 OPA_PORTPHYSSTATE_TEST = 11,81 82 OPA_PORTPHYSSTATE_MAX = 11,83 /* values 12-15 are reserved/ignored */84};85 86#endif /* _LINUX_H */87