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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>
This commit is contained in:
Yuval Shaia 2018-03-20 21:00:22 +02:00 committed by Marcel Apfelbaum
parent 4c2c101590
commit c99f217431
4 changed files with 35 additions and 0 deletions
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12
hw/rdma/rdma_backend.c
View File

@ -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) {

2
hw/rdma/rdma_backend.h
View File

@ -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,

18
hw/rdma/rdma_rm.c
View File

@ -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;

3
hw/rdma/rdma_rm.h
View File

@ -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,