debian/grub-extras/disabled/gpxe/src/include/gpxe/ib_cm.h

   1 #ifndef _GPXE_IB_CM_H
   2 #define _GPXE_IB_CM_H
   3
   4 /** @file
   5  *
   6  * Infiniband communication management
   7  *
   8  */
   9
  10 FILE_LICENCE ( GPL2_OR_LATER );
  11
  12 #include <gpxe/infiniband.h>
  13 #include <gpxe/retry.h>
  14
  15 struct ib_mad_transaction;
  16 struct ib_connection;
  17
  18 /** Infiniband connection operations */
  19 struct ib_connection_operations {
  20         /** Handle change of connection status
  21          *
  22          * @v ibdev             Infiniband device
  23          * @v qp                Queue pair
  24          * @v conn              Connection
  25          * @v rc                Connection status code
  26          * @v private_data      Private data, if available
  27          * @v private_data_len  Length of private data
  28          */
  29         void ( * changed ) ( struct ib_device *ibdev, struct ib_queue_pair *qp,
  30                              struct ib_connection *conn, int rc,
  31                              void *private_data, size_t private_data_len );
  32 };
  33
  34 /** An Infiniband connection */
  35 struct ib_connection {
  36         /** Infiniband device */
  37         struct ib_device *ibdev;
  38         /** Queue pair */
  39         struct ib_queue_pair *qp;
  40         /** Local communication ID */
  41         uint32_t local_id;
  42         /** Remote communication ID */
  43         uint32_t remote_id;
  44         /** Target service ID */
  45         struct ib_gid_half service_id;
  46         /** Connection operations */
  47         struct ib_connection_operations *op;
  48
  49         /** List of connections */
  50         struct list_head list;
  51
  52         /** Path to target */
  53         struct ib_path *path;
  54         /** Connection request management transaction */
  55         struct ib_mad_transaction *madx;
  56
  57         /** Length of connection request private data */
  58         size_t private_data_len;
  59         /** Connection request private data */
  60         uint8_t private_data[0];
  61 };
  62
  63 extern struct ib_connection *
  64 ib_create_conn ( struct ib_device *ibdev, struct ib_queue_pair *qp,
  65                  struct ib_gid *dgid, struct ib_gid_half *service_id,
  66                  void *req_private_data, size_t req_private_data_len,
  67                  struct ib_connection_operations *op );
  68 extern void ib_destroy_conn ( struct ib_device *ibdev,
  69                               struct ib_queue_pair *qp,
  70                               struct ib_connection *conn );
  71
  72 #endif /* _GPXE_IB_CM_H */