diff options
| author |   Potnuri Bharat Teja <bharat@chelsio.com> | 2018-08-02 11:33:03 +0530 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-08-02 20:16:02 -0600 |
| commit | b9855f4ca0fe582aabfdbd08f0d856b22486e157 (patch) | |
| tree | ae7ff712609358eb21fc0f5a0ce31ac100ddfce1 /drivers/infiniband/hw/cxgb4/t4fw_ri_api.h | |
| parent | rdma/cxgb4: fix some info leaks (diff) | |
| download | linux-dev-b9855f4ca0fe582aabfdbd08f0d856b22486e157.tar.xz linux-dev-b9855f4ca0fe582aabfdbd08f0d856b22486e157.zip | |
iw_cxgb4: RDMA write with immediate support
Adds iw_cxgb4 functionality to support RDMA_WRITE_WITH_IMMEDATE opcode.
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/t4fw_ri_api.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h b/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h index 0f4f86b004d6..62606e66ba20 100644 --- a/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h +++ b/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h @@ -50,7 +50,8 @@ enum fw_ri_wr_opcode { FW_RI_BYPASS = 0xd, FW_RI_RECEIVE = 0xe, - FW_RI_SGE_EC_CR_RETURN = 0xf + FW_RI_SGE_EC_CR_RETURN = 0xf, + FW_RI_WRITE_IMMEDIATE = FW_RI_RDMA_INIT }; enum fw_ri_wr_flags { @@ -59,7 +60,8 @@ enum fw_ri_wr_flags { FW_RI_SOLICITED_EVENT_FLAG = 0x04, FW_RI_READ_FENCE_FLAG = 0x08, FW_RI_LOCAL_FENCE_FLAG = 0x10, - FW_RI_RDMA_READ_INVALIDATE = 0x20 + FW_RI_RDMA_READ_INVALIDATE = 0x20, + FW_RI_RDMA_WRITE_WITH_IMMEDIATE = 0x40 }; enum fw_ri_mpa_attrs { @@ -546,7 +548,17 @@ struct fw_ri_rdma_write_wr { __u16 wrid; __u8 r1[3]; __u8 len16; - __be64 r2; + /* + * Use union for immediate data to be consistent with stack's 32 bit + * data and iWARP spec's 64 bit data. + */ + union { + struct { + __be32 imm_data32; + u32 reserved; + } ib_imm_data; + __be64 imm_data64; + } iw_imm_data; __be32 plen; __be32 stag_sink; __be64 to_sink; |