80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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#ifndef _GPXE_IB_SRP_H
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#define _GPXE_IB_SRP_H
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/** @file
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*
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* SCSI RDMA Protocol over Infiniband
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*
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*/
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FILE_LICENCE ( BSD2 );
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#include <stdint.h>
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#include <gpxe/infiniband.h>
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#include <gpxe/srp.h>
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/** SRP initiator port identifier for Infiniband */
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struct ib_srp_initiator_port_id {
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/** Identifier extension */
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struct ib_gid_half id_ext;
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/** IB channel adapter GUID */
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struct ib_gid_half hca_guid;
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} __attribute__ (( packed ));
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/** SRP target port identifier for Infiniband */
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struct ib_srp_target_port_id {
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/** Identifier extension */
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struct ib_gid_half id_ext;
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/** I/O controller GUID */
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struct ib_gid_half ioc_guid;
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} __attribute__ (( packed ));
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/**
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* Get Infiniband-specific initiator port ID
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*
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* @v port_ids SRP port IDs
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* @ret initiator_port_id Infiniband-specific initiator port ID
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*/
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static inline __always_inline struct ib_srp_initiator_port_id *
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ib_srp_initiator_port_id ( struct srp_port_ids *port_ids ) {
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return ( ( struct ib_srp_initiator_port_id * ) &port_ids->initiator );
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}
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/**
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* Get Infiniband-specific target port ID
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*
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* @v port_ids SRP port IDs
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* @ret target_port_id Infiniband-specific target port ID
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*/
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static inline __always_inline struct ib_srp_target_port_id *
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ib_srp_target_port_id ( struct srp_port_ids *port_ids ) {
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return ( ( struct ib_srp_target_port_id * ) &port_ids->target );
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}
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/** Infiniband-specific SRP parameters */
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struct ib_srp_parameters {
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/** Source GID */
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struct ib_gid sgid;
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/** Destination GID */
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struct ib_gid dgid;
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/** Service ID */
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struct ib_gid_half service_id;
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/** Partition key */
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uint16_t pkey;
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};
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/**
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* Get Infiniband-specific transport parameters
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*
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* @v srp SRP device
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* @ret ib_params Infiniband-specific transport parameters
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*/
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static inline __always_inline struct ib_srp_parameters *
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ib_srp_params ( struct srp_device *srp ) {
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return srp_transport_priv ( srp );
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}
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extern struct srp_transport_type ib_srp_transport;
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#endif /* _GPXE_IB_SRP_H */
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