AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-15 04:46:45 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

RDMA/hns: Intercept illegal RDMA operation when use inline data

Browse Source 
RDMA read operation is not supported inline data. If user cofigures
issue a RDMA read and use inline data, it will happen a hardware
error.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
oulijun 2018-04-26 14:46:16 +08:00 committed by Doug Ledford
parent 215a8c09e5
commit 328d405b3d
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -71,6 +71,11 @@ static int set_rwqe_data_seg(struct ib_qp *ibqp, struct ib_send_wr *wr,
return -EINVAL;
}
if (wr->opcode == IB_WR_RDMA_READ) {
dev_err(hr_dev->dev, "Not support inline data!\n");
return -EINVAL;
}
for (i = 0; i < wr->num_sge; i++) {
memcpy(wqe, ((void *)wr->sg_list[i].addr),
wr->sg_list[i].length);