diff options
| author | Lijun Ou <oulijun@huawei.com> | 2018-09-22 11:21:06 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-09-26 23:59:13 +0300 |
| commit | 384f881851127dd834a2733f91999b859a5ffddb (patch) | |
| tree | c84963aecea006719dec769a4f3249126a1b49f1 /drivers/infiniband/hw/hns/hns_roce_device.h | |
| parent | b9c1ea40e8bbd2ce8bf975ec9cf42817021cadb6 (diff) | |
| download | linux-384f881851127dd834a2733f91999b859a5ffddb.tar.xz | |
RDMA/hns: Add atomic support
This patch adds atomic operations for hip08, includes fetchadd and cmpswap
operation. In order to enable atomic, the driver needs to do the
following steps:
1. Enable the atomic caps for RoCE device
2. Post the wqe context of atomic type
3. Configure the atomic type of mtpt
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index d443e26b67d1..7a2c0ca793f2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -193,6 +193,7 @@ enum { HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2), HNS_ROCE_CAP_FLAG_RECORD_DB = BIT(3), HNS_ROCE_CAP_FLAG_SQ_RECORD_DB = BIT(4), + HNS_ROCE_CAP_FLAG_ATOMIC = BIT(10), }; enum hns_roce_mtt_type { |