diff mbox series

[rdma-next,v2,1/3] RDMA/mana_ib: Access remote atomic for MRs

Message ID 1744621234-26114-2-git-send-email-kotaranov@linux.microsoft.com (mailing list archive)
State New
Headers show
Series RDMA/mana_ib: extend MR support | expand

Commit Message

Konstantin Taranov April 14, 2025, 9 a.m. UTC 
From: Konstantin Taranov <kotaranov@microsoft.com>

Add IB_ACCESS_REMOTE_ATOMIC to the valid flags for MRs and use
the corresponding flag bit during MR creation in the HW.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
---
 drivers/infiniband/hw/mana/mr.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

Long Li April 16, 2025, 6:02 p.m. UTC | #1 
> Subject: [PATCH rdma-next v2 1/3] RDMA/mana_ib: Access remote atomic for
> MRs
> 
> From: Konstantin Taranov <kotaranov@microsoft.com>
> 
> Add IB_ACCESS_REMOTE_ATOMIC to the valid flags for MRs and use the
> corresponding flag bit during MR creation in the HW.
> 
> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>

Reviewed-by: Long Li <longli@microsoft.com>

> ---
>  drivers/infiniband/hw/mana/mr.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
> index f99557e..e4a9f53 100644
> --- a/drivers/infiniband/hw/mana/mr.c
> +++ b/drivers/infiniband/hw/mana/mr.c
> @@ -5,8 +5,8 @@
> 
>  #include "mana_ib.h"
> 
> -#define VALID_MR_FLAGS                                                         \
> -	(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE |
> IB_ACCESS_REMOTE_READ)
> +#define VALID_MR_FLAGS (IB_ACCESS_LOCAL_WRITE |
> IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ |\
> +			IB_ACCESS_REMOTE_ATOMIC)
> 
>  #define VALID_DMA_MR_FLAGS (IB_ACCESS_LOCAL_WRITE)
> 
> @@ -24,6 +24,9 @@ mana_ib_verbs_to_gdma_access_flags(int access_flags)
>  	if (access_flags & IB_ACCESS_REMOTE_READ)
>  		flags |= GDMA_ACCESS_FLAG_REMOTE_READ;
> 
> +	if (access_flags & IB_ACCESS_REMOTE_ATOMIC)
> +		flags |= GDMA_ACCESS_FLAG_REMOTE_ATOMIC;
> +
>  	return flags;
>  }
> 
> --
> 2.43.0
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
index f99557e..e4a9f53 100644
--- a/drivers/infiniband/hw/mana/mr.c
+++ b/drivers/infiniband/hw/mana/mr.c
@@ -5,8 +5,8 @@ 
 
 #include "mana_ib.h"
 
-#define VALID_MR_FLAGS                                                         \
-	(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ)
+#define VALID_MR_FLAGS (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ |\
+			IB_ACCESS_REMOTE_ATOMIC)
 
 #define VALID_DMA_MR_FLAGS (IB_ACCESS_LOCAL_WRITE)
 
@@ -24,6 +24,9 @@  mana_ib_verbs_to_gdma_access_flags(int access_flags)
 	if (access_flags & IB_ACCESS_REMOTE_READ)
 		flags |= GDMA_ACCESS_FLAG_REMOTE_READ;
 
+	if (access_flags & IB_ACCESS_REMOTE_ATOMIC)
+		flags |= GDMA_ACCESS_FLAG_REMOTE_ATOMIC;
+
 	return flags;
 }