From 7d40ccf018694ae894b37d7e849cde116eb37627 Mon Sep 17 00:00:00 2001 From: Konstantin Taranov Date: Mon, 14 Apr 2025 02:00:32 -0700 Subject: [PATCH] RDMA/mana_ib: Access remote atomic for MRs 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 Link: https://patch.msgid.link/1744621234-26114-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li Signed-off-by: Leon Romanovsky --- 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 f99557ec77678..e4a9f537a6d09 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; } -- 2.47.2