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/* 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 */
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