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Commit 85e0274d authored by oulijun's avatar oulijun Committed by Doug Ledford
Browse files

RDMA/hns: Enable inner_pa_vld filed of mpt 



When enabled inner_pa_vld field of mpt, The pa0 and
pa1 will be valid and the hardware will use it
directly and not use base address of pbl. As a
result, it can reduce the delay.

Signed-off-by: default avatarLijun Ou <oulijun@huawei.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 90e7a4d5

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+2 −0
Original line number Diff line number Diff line
@@ -1379,6 +1379,8 @@ static int hns_roce_v2_write_mtpt(void *mb_buf, struct hns_roce_mr *mr, 


	roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S,

		     mr->type == MR_TYPE_MR ? 0 : 1);

	roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_INNER_PA_VLD_S,

		     1);

	mpt_entry->byte_12_mw_pa = cpu_to_le32(mpt_entry->byte_12_mw_pa);



	mpt_entry->len_l = cpu_to_le32(lower_32_bits(mr->size));