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