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Diffstat (limited to 'src/include/ipxe/ib_srp.h')
-rw-r--r-- | src/include/ipxe/ib_srp.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/include/ipxe/ib_srp.h b/src/include/ipxe/ib_srp.h new file mode 100644 index 0000000..b773f96 --- /dev/null +++ b/src/include/ipxe/ib_srp.h @@ -0,0 +1,79 @@ +#ifndef _IPXE_IB_SRP_H +#define _IPXE_IB_SRP_H + +/** @file + * + * SCSI RDMA Protocol over Infiniband + * + */ + +FILE_LICENCE ( BSD2 ); + +#include <stdint.h> +#include <ipxe/infiniband.h> +#include <ipxe/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 /* _IPXE_IB_SRP_H */ |