diff options
| author | Yuval Shaia | 2018-03-20 20:00:22 +0100 |
|---|---|---|
| committer | Marcel Apfelbaum | 2018-03-23 16:38:55 +0100 |
| commit | c99f217431fa926003f015b83e60d5de72305388 (patch) | |
| tree | 99366082b6a1709f530984fdef2228d0405d7920 /hw/rdma | |
| parent | Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20180323' into s... (diff) | |
| download | qemu-c99f217431fa926003f015b83e60d5de72305388.tar.gz qemu-c99f217431fa926003f015b83e60d5de72305388.tar.xz qemu-c99f217431fa926003f015b83e60d5de72305388.zip | |
hw/rdma: Add Query QP operation
This operation is needed by rdma devices - implement it.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Diffstat (limited to 'hw/rdma')
| -rw-r--r-- | hw/rdma/rdma_backend.c | 12 | ||||
| -rw-r--r-- | hw/rdma/rdma_backend.h | 2 | ||||
| -rw-r--r-- | hw/rdma/rdma_rm.c | 18 | ||||
| -rw-r--r-- | hw/rdma/rdma_rm.h | 3 |
4 files changed, 35 insertions, 0 deletions
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c index e306fba534..0beed77c27 100644 --- a/hw/rdma/rdma_backend.c +++ b/hw/rdma/rdma_backend.c @@ -646,6 +646,18 @@ int rdma_backend_qp_state_rts(RdmaBackendQP *qp, uint8_t qp_type, return 0; } +int rdma_backend_query_qp(RdmaBackendQP *qp, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr) +{ + if (!qp->ibqp) { + pr_dbg("QP1\n"); + attr->qp_state = IBV_QPS_RTS; + return 0; + } + + return ibv_query_qp(qp->ibqp, attr, attr_mask, init_attr); +} + void rdma_backend_destroy_qp(RdmaBackendQP *qp) { if (qp->ibqp) { diff --git a/hw/rdma/rdma_backend.h b/hw/rdma/rdma_backend.h index 68f2b05ca7..36218d1990 100644 --- a/hw/rdma/rdma_backend.h +++ b/hw/rdma/rdma_backend.h @@ -83,6 +83,8 @@ int rdma_backend_qp_state_rtr(RdmaBackendDev *backend_dev, RdmaBackendQP *qp, bool use_qkey); int rdma_backend_qp_state_rts(RdmaBackendQP *qp, uint8_t qp_type, uint32_t sq_psn, uint32_t qkey, bool use_qkey); +int rdma_backend_query_qp(RdmaBackendQP *qp, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr); void rdma_backend_destroy_qp(RdmaBackendQP *qp); void rdma_backend_post_send(RdmaBackendDev *backend_dev, diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c index b5fc45ddab..43f73adecf 100644 --- a/hw/rdma/rdma_rm.c +++ b/hw/rdma/rdma_rm.c @@ -453,6 +453,24 @@ int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, return 0; } +int rdma_rm_query_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t qp_handle, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr) +{ + RdmaRmQP *qp; + + pr_dbg("qpn=%d\n", qp_handle); + + qp = rdma_rm_get_qp(dev_res, qp_handle); + if (!qp) { + return -EINVAL; + } + + pr_dbg("qp_type=%d\n", qp->qp_type); + + return rdma_backend_query_qp(&qp->backend_qp, attr, attr_mask, init_attr); +} + void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle) { RdmaRmQP *qp; diff --git a/hw/rdma/rdma_rm.h b/hw/rdma/rdma_rm.h index be95c1b0f4..0528c1972b 100644 --- a/hw/rdma/rdma_rm.h +++ b/hw/rdma/rdma_rm.h @@ -59,6 +59,9 @@ int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, union ibv_gid *dgid, uint32_t dqpn, enum ibv_qp_state qp_state, uint32_t qkey, uint32_t rq_psn, uint32_t sq_psn); +int rdma_rm_query_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t qp_handle, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr); void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle); int rdma_rm_alloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t *cqe_ctx_id, |