#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 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. */
/* * 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 */
};
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