diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdma_vt.h | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index e31502107a58..861e23eaebda 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -185,6 +185,27 @@ struct rvt_driver_provided { * check_support() for details. */ + /* hot path calldowns in a single cacheline */ + + /* + * Give the driver a notice that there is send work to do. It is up to + * the driver to generally push the packets out, this just queues the + * work with the driver. There are two variants here. The no_lock + * version requires the s_lock not to be held. The other assumes the + * s_lock is held. + */ + void (*schedule_send)(struct rvt_qp *qp); + void (*schedule_send_no_lock)(struct rvt_qp *qp); + + /* Driver specific work request checking */ + int (*check_send_wqe)(struct rvt_qp *qp, struct rvt_swqe *wqe); + + /* + * Sometimes rdmavt needs to kick the driver's send progress. That is + * done by this call back. + */ + void (*do_send)(struct rvt_qp *qp); + /* Passed to ib core registration. Callback to create syfs files */ int (*port_callback)(struct ib_device *, u8, struct kobject *); @@ -223,22 +244,6 @@ struct rvt_driver_provided { void (*notify_qp_reset)(struct rvt_qp *qp); /* - * Give the driver a notice that there is send work to do. It is up to - * the driver to generally push the packets out, this just queues the - * work with the driver. There are two variants here. The no_lock - * version requires the s_lock not to be held. The other assumes the - * s_lock is held. - */ - void (*schedule_send)(struct rvt_qp *qp); - void (*schedule_send_no_lock)(struct rvt_qp *qp); - - /* - * Sometimes rdmavt needs to kick the driver's send progress. That is - * done by this call back. - */ - void (*do_send)(struct rvt_qp *qp); - - /* * Get a path mtu from the driver based on qp attributes. */ int (*get_pmtu_from_attr)(struct rvt_dev_info *rdi, struct rvt_qp *qp, @@ -324,9 +329,6 @@ struct rvt_driver_provided { void (*modify_qp)(struct rvt_qp *qp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata); - /* Driver specific work request checking */ - int (*check_send_wqe)(struct rvt_qp *qp, struct rvt_swqe *wqe); - /* Notify driver a mad agent has been created */ void (*notify_create_mad_agent)(struct rvt_dev_info *rdi, int port_idx); @@ -355,12 +357,12 @@ struct rvt_dev_info { /* post send table */ const struct rvt_operation_params *post_parms; - struct rvt_mregion __rcu *dma_mr; - struct rvt_lkey_table lkey_table; - /* Driver specific helper functions */ struct rvt_driver_provided driver_f; + struct rvt_mregion __rcu *dma_mr; + struct rvt_lkey_table lkey_table; + /* Internal use */ int n_pds_allocated; spinlock_t n_pds_lock; /* Protect pd allocated count */ |