RDMA/mlx5: Remove pd from struct mlx5_core_mkey

There is no read of mkey->pd, only write. Remove it.
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

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->pd = MLX5_GET(mkc, mkc, pd);
 	devx_mr->ndescs = MLX5_GET(mkc, mkc, translations_octword_size);
 	init_waitqueue_head(&mkey->wait);
 

drivers/infiniband/hw/mlx5/mr.c

@@ -975,7 +975,6 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd,
 
 	mr->ibmr.pd = pd;
 	mr->umem = umem;
-	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);
 
@@ -1708,7 +1707,6 @@ static int umr_rereg_pd_access(struct mlx5_ib_mr *mr, struct ib_pd *pd,
 		return err;
 
 	mr->access_flags = access_flags;
-	mr->mmkey.pd = to_mpd(pd)->pdn;
 	return 0;
 }
 
@@ -1753,7 +1751,6 @@ static int umr_rereg_pas(struct mlx5_ib_mr *mr, struct ib_pd *pd,
 
 	if (flags & IB_MR_REREG_PD) {
 		mr->ibmr.pd = pd;
-		mr->mmkey.pd = to_mpd(pd)->pdn;
 		upd_flags |= MLX5_IB_UPD_XLT_PD;
 	}
 	if (flags & IB_MR_REREG_ACCESS) {

drivers/net/ethernet/mellanox/mlx5/core/mr.c

@@ -41,7 +41,6 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
 {
 	u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {};
 	u32 mkey_index;
-	void *mkc;
 	int err;
 
 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
@@ -50,10 +49,8 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
 	if (err)
 		return err;
 
-	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
 	mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index);
 	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);
 
 	mlx5_core_dbg(dev, "out 0x%x, mkey 0x%x\n", mkey_index, mkey->key);

drivers/vdpa/mlx5/core/resources.c

@@ -203,7 +203,6 @@ int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mk
 {
 	u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {};
 	u32 mkey_index;
-	void *mkc;
 	int err;
 
 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
@@ -213,10 +212,8 @@ int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mk
 	if (err)
 		return err;
 
-	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
 	mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index);
 	mkey->key |= mlx5_idx_to_mkey(mkey_index);
-	mkey->pd = MLX5_GET(mkc, mkc, pd);
 	return 0;
 }
 

include/linux/mlx5/driver.h

@@ -365,7 +365,6 @@ enum {
 
 struct mlx5_core_mkey {
 	u32			key;
-	u32			pd;
 	u32			type;
 	struct wait_queue_head wait;
 	refcount_t usecount;