From: Xiao Yang <yangx.jy@fujitsu.com>
To: <linux-rdma@vger.kernel.org>
Cc: <yanjun.zhu@linux.dev>, <rpearsonhpe@gmail.com>, <jgg@nvidia.com>,
<y-goto@fujitsu.com>, <lizhijian@fujitsu.com>,
<tomasz.gromadzki@intel.com>, <tom@talpey.com>,
<ira.weiny@intel.com>, Xiao Yang <yangx.jy@fujitsu.com>
Subject: [PATCH v3 3/3] RDMA/rxe: Add RDMA Atomic Write attribute for rxe device
Date: Fri, 11 Mar 2022 19:52:47 +0800 [thread overview]
Message-ID: <20220311115247.23521-4-yangx.jy@fujitsu.com> (raw)
In-Reply-To: <20220311115247.23521-1-yangx.jy@fujitsu.com>
The attribute shows that rxe device supports RDMA Atomic Write operation.
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
---
drivers/infiniband/sw/rxe/rxe_param.h | 3 ++-
include/rdma/ib_verbs.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index 918270e34a35..6ae6c4079639 100644
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -53,7 +53,8 @@ enum rxe_device_param {
| IB_DEVICE_ALLOW_USER_UNREG
| IB_DEVICE_MEM_WINDOW
| IB_DEVICE_MEM_WINDOW_TYPE_2A
- | IB_DEVICE_MEM_WINDOW_TYPE_2B,
+ | IB_DEVICE_MEM_WINDOW_TYPE_2B
+ | IB_DEVICE_ATOMIC_WRITE,
RXE_MAX_SGE = 32,
RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) +
sizeof(struct ib_sge) * RXE_MAX_SGE,
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index abd1c5d3dc66..580b5cacec09 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -291,6 +291,8 @@ enum ib_device_cap_flags {
/* The device supports padding incoming writes to cacheline. */
IB_DEVICE_PCI_WRITE_END_PADDING = (1ULL << 36),
IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37),
+ /* Atomic write attributes */
+ IB_DEVICE_ATOMIC_WRITE = (1ULL << 40),
};
enum ib_atomic_cap {
--
2.34.1
next prev parent reply other threads:[~2022-03-11 11:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 11:52 [PATCH v3 0/3] RDMA/rxe: Add RDMA Atomic Write operation Xiao Yang
2022-03-11 11:52 ` [PATCH v3 1/3] RDMA/rxe: Rename send_atomic_ack() and atomic member of struct resp_res Xiao Yang
2022-03-11 11:52 ` [PATCH v3 2/3] RDMA/rxe: Support RDMA Atomic Write operation Xiao Yang
2022-03-11 23:56 ` kernel test robot
2022-03-11 11:52 ` Xiao Yang [this message]
2022-03-15 18:53 ` [PATCH v3 3/3] RDMA/rxe: Add RDMA Atomic Write attribute for rxe device Jason Gunthorpe
2022-03-17 5:58 ` yangx.jy
2022-03-21 3:55 ` yangx.jy
2022-03-21 15:32 ` Jason Gunthorpe
2022-03-25 11:44 ` yangx.jy
2022-03-25 13:22 ` Jason Gunthorpe
2022-03-28 10:07 ` yangx.jy
2022-03-28 11:39 ` Jason Gunthorpe
2022-03-29 2:36 ` yangx.jy
2022-03-29 2:39 ` yangx.jy
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