[PATCH mlx5-next 1/9] RDMA/mlx5: Move asynchronous mkey creation to mlx5_ib

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From: Michael Guralnik <michaelgur@xxxxxxxxxxxx>

As mlx5_ib is the only user of the mlx5_core_create_mkey_cb, move the
logic inside mlx5_ib and cleanup the code in mlx5_core.

Signed-off-by: Michael Guralnik <michaelgur@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
 drivers/infiniband/hw/mlx5/mr.c              | 25 ++++++++++++++++----
 drivers/net/ethernet/mellanox/mlx5/core/mr.c | 22 +++--------------
 include/linux/mlx5/driver.h                  |  6 -----
 3 files changed, 24 insertions(+), 29 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 6fa0a83c19de..dea14477a676 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -79,6 +79,25 @@ static bool use_umr_mtt_update(struct mlx5_ib_mr *mr, u64 start, u64 length)
 		length + (start & (MLX5_ADAPTER_PAGE_SIZE - 1));
 }
 
+static int create_mkey_cb(struct mlx5_core_dev *dev, struct mlx5_ib_mr *mr,
+			  struct mlx5_async_ctx *async_ctx, u32 *in, int inlen,
+			  mlx5_async_cbk_t callback)
+{
+	void *mkc;
+	u8 key;
+
+	spin_lock_irq(&dev->priv.mkey_lock);
+	key = dev->priv.mkey_key++;
+	spin_unlock_irq(&dev->priv.mkey_lock);
+	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
+
+	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
+	MLX5_SET(mkc, mkc, mkey_7_0, key);
+
+	return mlx5_cmd_exec_cb(async_ctx, in, inlen, mr->out, sizeof(mr->out),
+				callback, &mr->cb_work);
+}
+
 static void reg_mr_callback(int status, struct mlx5_async_work *context)
 {
 	struct mlx5_ib_mr *mr =
@@ -163,10 +182,8 @@ static int add_keys(struct mlx5_ib_dev *dev, int c, int num)
 		spin_lock_irq(&ent->lock);
 		ent->pending++;
 		spin_unlock_irq(&ent->lock);
-		err = mlx5_core_create_mkey_cb(dev->mdev, &mr->mmkey,
-					       &dev->async_ctx, in, inlen,
-					       mr->out, sizeof(mr->out),
-					       reg_mr_callback, &mr->cb_work);
+		err = create_mkey_cb(dev->mdev, mr, &dev->async_ctx, in, inlen,
+				     reg_mr_callback);
 		if (err) {
 			spin_lock_irq(&ent->lock);
 			ent->pending--;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
index 42cc3c7ac5b6..83841e4119d7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
@@ -36,12 +36,9 @@
 #include <linux/mlx5/cmd.h>
 #include "mlx5_core.h"
 
-int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
-			     struct mlx5_core_mkey *mkey,
-			     struct mlx5_async_ctx *async_ctx, u32 *in,
-			     int inlen, u32 *out, int outlen,
-			     mlx5_async_cbk_t callback,
-			     struct mlx5_async_work *context)
+int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
+			  struct mlx5_core_mkey *mkey,
+			  u32 *in, int inlen)
 {
 	u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
 	u32 mkey_index;
@@ -57,10 +54,6 @@ int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
 	MLX5_SET(mkc, mkc, mkey_7_0, key);
 
-	if (callback)
-		return mlx5_cmd_exec_cb(async_ctx, in, inlen, out, outlen,
-					callback, context);
-
 	err = mlx5_cmd_exec(dev, in, inlen, lout, sizeof(lout));
 	if (err)
 		return err;
@@ -75,15 +68,6 @@ int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
 		      mkey_index, key, mkey->key);
 	return 0;
 }
-EXPORT_SYMBOL(mlx5_core_create_mkey_cb);
-
-int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
-			  struct mlx5_core_mkey *mkey,
-			  u32 *in, int inlen)
-{
-	return mlx5_core_create_mkey_cb(dev, mkey, NULL, in, inlen,
-					NULL, 0, NULL, NULL);
-}
 EXPORT_SYMBOL(mlx5_core_create_mkey);
 
 int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index f2b4225ed650..7225e9ca0f25 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -947,12 +947,6 @@ struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 						      gfp_t flags, int npages);
 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 				 struct mlx5_cmd_mailbox *head);
-int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
-			     struct mlx5_core_mkey *mkey,
-			     struct mlx5_async_ctx *async_ctx, u32 *in,
-			     int inlen, u32 *out, int outlen,
-			     mlx5_async_cbk_t callback,
-			     struct mlx5_async_work *context);
 int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
 			  struct mlx5_core_mkey *mkey,
 			  u32 *in, int inlen);
-- 
2.24.1




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