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- #ifndef _GPXE_IB_MI_H
- #define _GPXE_IB_MI_H
-
- /** @file
- *
- * Infiniband management interfaces
- *
- */
-
- FILE_LICENCE ( GPL2_OR_LATER );
-
- #include <gpxe/list.h>
- #include <gpxe/retry.h>
- #include <gpxe/tables.h>
- #include <gpxe/infiniband.h>
-
- struct ib_mad_interface;
- struct ib_mad_transaction;
-
- /** An Infiniband management agent */
- struct ib_mad_agent {
- /** Management class */
- uint8_t mgmt_class;
- /** Class version */
- uint8_t class_version;
- /** Attribute (in network byte order) */
- uint16_t attr_id;
- /** Handle MAD
- *
- * @v ibdev Infiniband device
- * @v mi Management interface
- * @v mad Received MAD
- * @v av Source address vector
- * @ret rc Return status code
- */
- void ( * handle ) ( struct ib_device *ibdev,
- struct ib_mad_interface *mi,
- union ib_mad *mad,
- struct ib_address_vector *av );
- };
-
- /** Infiniband management agents */
- #define IB_MAD_AGENTS __table ( struct ib_mad_agent, "ib_mad_agents" )
-
- /** Declare an Infiniband management agent */
- #define __ib_mad_agent __table_entry ( IB_MAD_AGENTS, 01 )
-
- /** Infiniband management transaction operations */
- struct ib_mad_transaction_operations {
- /** Handle transaction completion
- *
- * @v ibdev Infiniband device
- * @v mi Management interface
- * @v madx Management transaction
- * @v rc Status code
- * @v mad Received MAD (or NULL on error)
- * @v av Source address vector (or NULL on error)
- *
- * The completion handler should in most cases call
- * ib_destroy_madx() to free up the completed transaction.
- */
- void ( * complete ) ( struct ib_device *ibdev,
- struct ib_mad_interface *mi,
- struct ib_mad_transaction *madx,
- int rc, union ib_mad *mad,
- struct ib_address_vector *av );
- };
-
- /** An Infiniband management transaction */
- struct ib_mad_transaction {
- /** Associated management interface */
- struct ib_mad_interface *mi;
- /** List of transactions */
- struct list_head list;
- /** Retry timer */
- struct retry_timer timer;
- /** Destination address vector */
- struct ib_address_vector av;
- /** MAD being sent */
- union ib_mad mad;
- /** Transaction operations */
- struct ib_mad_transaction_operations *op;
- /** Owner private data */
- void *owner_priv;
- };
-
- /** An Infiniband management interface */
- struct ib_mad_interface {
- /** Infiniband device */
- struct ib_device *ibdev;
- /** Completion queue */
- struct ib_completion_queue *cq;
- /** Queue pair */
- struct ib_queue_pair *qp;
- /** List of management transactions */
- struct list_head madx;
- };
-
- /**
- * Set Infiniband management transaction owner-private data
- *
- * @v madx Management transaction
- * @v priv Private data
- */
- static inline __always_inline void
- ib_madx_set_ownerdata ( struct ib_mad_transaction *madx, void *priv ) {
- madx->owner_priv = priv;
- }
-
- /**
- * Get Infiniband management transaction owner-private data
- *
- * @v madx Management transaction
- * @ret priv Private data
- */
- static inline __always_inline void *
- ib_madx_get_ownerdata ( struct ib_mad_transaction *madx ) {
- return madx->owner_priv;
- }
-
- extern int ib_mi_send ( struct ib_device *ibdev, struct ib_mad_interface *mi,
- union ib_mad *mad, struct ib_address_vector *av );
- extern struct ib_mad_transaction *
- ib_create_madx ( struct ib_device *ibdev, struct ib_mad_interface *mi,
- union ib_mad *mad, struct ib_address_vector *av,
- struct ib_mad_transaction_operations *op );
- extern void ib_destroy_madx ( struct ib_device *ibdev,
- struct ib_mad_interface *mi,
- struct ib_mad_transaction *madx );
- extern struct ib_mad_interface * ib_create_mi ( struct ib_device *ibdev,
- enum ib_queue_pair_type type );
- extern void ib_destroy_mi ( struct ib_device *ibdev,
- struct ib_mad_interface *mi );
-
- #endif /* _GPXE_IB_MI_H */
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