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RDMA/hns: Support local invalidate for hip08 in kernel space
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This patch adds local invalidate Memory Region (MR) support in the kernel
space driver.

Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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@oulijun @jgunthorpe
oulijun authored and jgunthorpe committed Oct 3, 2018
1 parent 2362cce commit e93df01
Showing 1 changed file with 5 additions and 1 deletion.
6 changes: 5 additions & 1 deletion drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -457,6 +457,10 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp,
break;
case IB_WR_LOCAL_INV:
hr_op = HNS_ROCE_V2_WQE_OP_LOCAL_INV;
roce_set_bit(rc_sq_wqe->byte_4,
V2_RC_SEND_WQE_BYTE_4_SO_S, 1);
rc_sq_wqe->inv_key =
cpu_to_le32(wr->ex.invalidate_rkey);
break;
case IB_WR_ATOMIC_CMP_AND_SWP:
hr_op = HNS_ROCE_V2_WQE_OP_ATOM_CMP_AND_SWAP;
Expand Down Expand Up @@ -1722,7 +1726,7 @@ static int hns_roce_v2_write_mtpt(void *mb_buf, struct hns_roce_mr *mr,

roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 0);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 0);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_BIND_EN_S,
(mr->access & IB_ACCESS_MW_BIND ? 1 : 0));
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_ATOMIC_EN_S,
Expand Down

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