diff options
| author | Dennis Dalessandro <dennis.dalessandro@intel.com> | 2016-01-22 21:00:55 (GMT) |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-11 01:37:26 (GMT) |
| commit | 4e74080b248701c0c2d1af2764bf02f9c531020a (patch) | |
| tree | cef6036254dc84bce2c92130f9649c3f6abbf850 /include/rdma | |
| parent | 120bdafaece72056e48d97809c5abe172824a7f6 (diff) | |
| download | linux-4e74080b248701c0c2d1af2764bf02f9c531020a.tar.xz | |
IB/rdmavt: Add multicast functions
This patch adds in the multicast add and remove functions as well as the
ancillary infrastructure needed.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdma_vt.h | 8 | ||||
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 22 |
2 files changed, 29 insertions, 1 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 1c7123f..04e9019 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -306,6 +306,11 @@ struct rvt_dev_info { struct kthread_worker *worker; /* per device cq worker */ u32 n_cqs_allocated; /* number of CQs allocated for device */ spinlock_t n_cqs_lock; /* protect count of in use cqs */ + + /* Multicast */ + u32 n_mcast_grps_allocated; /* number of mcast groups allocated */ + spinlock_t n_mcast_grps_lock; + }; static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd) @@ -399,8 +404,11 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, void *obj); void rvt_update_mmap_info(struct rvt_dev_info *rdi, struct rvt_mmap_info *ip, u32 size, void *obj); +int rvt_reg_mr(struct rvt_qp *qp, struct ib_reg_wr *wr); +struct rvt_mcast *rvt_mcast_find(struct rvt_ibport *ibp, union ib_gid *mgid); /* Temporary export */ void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, enum ib_qp_type type); + #endif /* DEF_RDMA_VT_H */ diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index e66bcc9..a97b95b 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -50,6 +50,7 @@ #include <rdma/rdma_vt.h> #include <rdma/ib_pack.h> +#include <rdma/ib_verbs.h> /* * Atomic bit definitions for r_aflags. */ @@ -386,8 +387,27 @@ struct rvt_qp_ibdev { }; /* + * There is one struct rvt_mcast for each multicast GID. + * All attached QPs are then stored as a list of + * struct rvt_mcast_qp. + */ +struct rvt_mcast_qp { + struct list_head list; + struct rvt_qp *qp; +}; + +struct rvt_mcast { + struct rb_node rb_node; + union ib_gid mgid; + struct list_head qp_list; + wait_queue_head_t wait; + atomic_t refcount; + int n_attached; +}; + +/* * Since struct rvt_swqe is not a fixed size, we can't simply index into - * struct hfi1_qp.s_wq. This function does the array index computation. + * struct rvt_qp.s_wq. This function does the array index computation. */ static inline struct rvt_swqe *rvt_get_swqe_ptr(struct rvt_qp *qp, unsigned n) |