linux-kernel - [PATCH mlx5-next 3/7] RDMA/mlx5: Remove size from struct mlx5_core

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Message-Id: <024e6b2918d48c5f3185032413bafcf45c1488c6.1634033956.git.leonro@nvidia.com>
Date:   Tue, 12 Oct 2021 13:26:31 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     Aharon Landau <aharonl@...dia.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jason Wang <jasowang@...hat.com>, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, Maor Gottlieb <maorg@...dia.com>,
        "Michael S. Tsirkin" <mst@...hat.com>, netdev@...r.kernel.org,
        Saeed Mahameed <saeedm@...dia.com>,
        Shay Drory <shayd@...dia.com>,
        virtualization@...ts.linux-foundation.org
Subject: [PATCH mlx5-next 3/7] RDMA/mlx5: Remove size from struct mlx5_core_mkey

From: Aharon Landau <aharonl@...dia.com>

mkey->size is already stored in ibmr->length, no need to store it here.

Signed-off-by: Aharon Landau <aharonl@...dia.com>
Reviewed-by: Shay Drory <shayd@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 drivers/infiniband/hw/mlx5/devx.c            | 1 -
 drivers/infiniband/hw/mlx5/mr.c              | 5 ++---
 drivers/net/ethernet/mellanox/mlx5/core/mr.c | 1 -
 drivers/vdpa/mlx5/core/resources.c           | 1 -
 include/linux/mlx5/driver.h                  | 1 -
 5 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 439b62e23afb..3d416850bba8 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1303,7 +1303,6 @@ static int devx_handle_mkey_indirect(struct devx_obj *obj,
 	mkey->key = mlx5_idx_to_mkey(
 			MLX5_GET(create_mkey_out, out, mkey_index)) | key;
 	mkey->type = MLX5_MKEY_INDIRECT_DEVX;
-	mkey->size = MLX5_GET64(mkc, mkc, len);
 	mkey->pd = MLX5_GET(mkc, mkc, pd);
 	devx_mr->ndescs = MLX5_GET(mkc, mkc, translations_octword_size);
 	init_waitqueue_head(&mkey->wait);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index e264c6be38f8..6f831598b987 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -968,7 +968,6 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd,
 
 	mr->ibmr.pd = pd;
 	mr->umem = umem;
-	mr->mmkey.size = umem->length;
 	mr->mmkey.pd = to_mpd(pd)->pdn;
 	mr->page_shift = order_base_2(page_size);
 	set_mr_fields(dev, mr, umem->length, access_flags, iova);
@@ -1080,7 +1079,7 @@ static void *mlx5_ib_create_xlt_wr(struct mlx5_ib_mr *mr,
 	wr->wr.opcode = MLX5_IB_WR_UMR;
 	wr->pd = mr->ibmr.pd;
 	wr->mkey = mr->mmkey.key;
-	wr->length = mr->mmkey.size;
+	wr->length = mr->ibmr.length;
 	wr->virt_addr = mr->ibmr.iova;
 	wr->access_flags = mr->access_flags;
 	wr->page_shift = mr->page_shift;
@@ -1768,7 +1767,7 @@ static int umr_rereg_pas(struct mlx5_ib_mr *mr, struct ib_pd *pd,
 
 	mr->ibmr.length = new_umem->length;
 	mr->ibmr.iova = iova;
-	mr->mmkey.size = new_umem->length;
+	mr->ibmr.length = new_umem->length;
 	mr->page_shift = order_base_2(page_size);
 	mr->umem = new_umem;
 	err = mlx5_ib_update_mr_pas(mr, upd_flags);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
index d239d559994f..b5dd44944265 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
@@ -52,7 +52,6 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
 
 	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
 	mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index);
-	mkey->size = MLX5_GET64(mkc, mkc, len);
 	mkey->key = (u32)mlx5_mkey_variant(mkey->key) | mlx5_idx_to_mkey(mkey_index);
 	mkey->pd = MLX5_GET(mkc, mkc, pd);
 	init_waitqueue_head(&mkey->wait);
diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 14d4314cdc29..d3d8b8b4e377 100644
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -215,7 +215,6 @@ int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mk
 
 	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
 	mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index);
-	mkey->size = MLX5_GET64(mkc, mkc, len);
 	mkey->key |= mlx5_idx_to_mkey(mkey_index);
 	mkey->pd = MLX5_GET(mkc, mkc, pd);
 	return 0;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 573c0cbb0879..cba157689ca8 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -364,7 +364,6 @@ enum {
 };
 
 struct mlx5_core_mkey {
-	u64			size;
 	u32			key;
 	u32			pd;
 	u32			type;
-- 
2.31.1