qed: move out devlink logic into a new file

We are extending devlink infrastructure, thus move the existing
stuff into a new file qed_devlink.c

Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/Makefile

@@ -9,6 +9,7 @@ qed-y :=			\
 	qed_dcbx.o		\
 	qed_debug.o		\
 	qed_dev.o		\
+	qed_devlink.o		\
 	qed_hw.o		\
 	qed_init_fw_funcs.o	\
 	qed_init_ops.o		\

drivers/net/ethernet/qlogic/qed/qed_devlink.c

@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Marvell/Qlogic FastLinQ NIC driver
+ *
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include <linux/kernel.h>
+#include "qed.h"
+#include "qed_devlink.h"
+
+enum qed_devlink_param_id {
+	QED_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
+	QED_DEVLINK_PARAM_ID_IWARP_CMT,
+};
+
+struct qed_devlink {
+	struct qed_dev *cdev;
+};
+
+static int qed_dl_param_get(struct devlink *dl, u32 id,
+			    struct devlink_param_gset_ctx *ctx)
+{
+	struct qed_devlink *qed_dl;
+	struct qed_dev *cdev;
+
+	qed_dl = devlink_priv(dl);
+	cdev = qed_dl->cdev;
+	ctx->val.vbool = cdev->iwarp_cmt;
+
+	return 0;
+}
+
+static int qed_dl_param_set(struct devlink *dl, u32 id,
+			    struct devlink_param_gset_ctx *ctx)
+{
+	struct qed_devlink *qed_dl;
+	struct qed_dev *cdev;
+
+	qed_dl = devlink_priv(dl);
+	cdev = qed_dl->cdev;
+	cdev->iwarp_cmt = ctx->val.vbool;
+
+	return 0;
+}
+
+static const struct devlink_param qed_devlink_params[] = {
+	DEVLINK_PARAM_DRIVER(QED_DEVLINK_PARAM_ID_IWARP_CMT,
+			     "iwarp_cmt", DEVLINK_PARAM_TYPE_BOOL,
+			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
+			     qed_dl_param_get, qed_dl_param_set, NULL),
+};
+
+static const struct devlink_ops qed_dl_ops;
+
+int qed_devlink_register(struct qed_dev *cdev)
+{
+	union devlink_param_value value;
+	struct qed_devlink *qed_dl;
+	struct devlink *dl;
+	int rc;
+
+	dl = devlink_alloc(&qed_dl_ops, sizeof(*qed_dl));
+	if (!dl)
+		return -ENOMEM;
+
+	qed_dl = devlink_priv(dl);
+
+	cdev->dl = dl;
+	qed_dl->cdev = cdev;
+
+	rc = devlink_register(dl, &cdev->pdev->dev);
+	if (rc)
+		goto err_free;
+
+	rc = devlink_params_register(dl, qed_devlink_params,
+				     ARRAY_SIZE(qed_devlink_params));
+	if (rc)
+		goto err_unregister;
+
+	value.vbool = false;
+	devlink_param_driverinit_value_set(dl,
+					   QED_DEVLINK_PARAM_ID_IWARP_CMT,
+					   value);
+
+	devlink_params_publish(dl);
+	cdev->iwarp_cmt = false;
+
+	return 0;
+
+err_unregister:
+	devlink_unregister(dl);
+
+err_free:
+	cdev->dl = NULL;
+	devlink_free(dl);
+
+	return rc;
+}
+
+void qed_devlink_unregister(struct qed_dev *cdev)
+{
+	if (!cdev->dl)
+		return;
+
+	devlink_params_unregister(cdev->dl, qed_devlink_params,
+				  ARRAY_SIZE(qed_devlink_params));
+
+	devlink_unregister(cdev->dl);
+	devlink_free(cdev->dl);
+}

drivers/net/ethernet/qlogic/qed/qed_devlink.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Marvell/Qlogic FastLinQ NIC driver
+ *
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+#ifndef _QED_DEVLINK_H
+#define _QED_DEVLINK_H
+
+#include <linux/qed/qed_if.h>
+#include <net/devlink.h>
+
+int qed_devlink_register(struct qed_dev *cdev);
+void qed_devlink_unregister(struct qed_dev *cdev);
+
+#endif

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -39,6 +39,7 @@
 #include "qed_hw.h"
 #include "qed_selftest.h"
 #include "qed_debug.h"
+#include "qed_devlink.h"
 
 #define QED_ROCE_QPS			(8192)
 #define QED_ROCE_DPIS			(8)
@@ -510,107 +511,6 @@ static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
 	return 0;
 }
 
-struct qed_devlink {
-	struct qed_dev *cdev;
-};
-
-enum qed_devlink_param_id {
-	QED_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
-	QED_DEVLINK_PARAM_ID_IWARP_CMT,
-};
-
-static int qed_dl_param_get(struct devlink *dl, u32 id,
-			    struct devlink_param_gset_ctx *ctx)
-{
-	struct qed_devlink *qed_dl;
-	struct qed_dev *cdev;
-
-	qed_dl = devlink_priv(dl);
-	cdev = qed_dl->cdev;
-	ctx->val.vbool = cdev->iwarp_cmt;
-
-	return 0;
-}
-
-static int qed_dl_param_set(struct devlink *dl, u32 id,
-			    struct devlink_param_gset_ctx *ctx)
-{
-	struct qed_devlink *qed_dl;
-	struct qed_dev *cdev;
-
-	qed_dl = devlink_priv(dl);
-	cdev = qed_dl->cdev;
-	cdev->iwarp_cmt = ctx->val.vbool;
-
-	return 0;
-}
-
-static const struct devlink_param qed_devlink_params[] = {
-	DEVLINK_PARAM_DRIVER(QED_DEVLINK_PARAM_ID_IWARP_CMT,
-			     "iwarp_cmt", DEVLINK_PARAM_TYPE_BOOL,
-			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
-			     qed_dl_param_get, qed_dl_param_set, NULL),
-};
-
-static const struct devlink_ops qed_dl_ops;
-
-static int qed_devlink_register(struct qed_dev *cdev)
-{
-	union devlink_param_value value;
-	struct qed_devlink *qed_dl;
-	struct devlink *dl;
-	int rc;
-
-	dl = devlink_alloc(&qed_dl_ops, sizeof(*qed_dl));
-	if (!dl)
-		return -ENOMEM;
-
-	qed_dl = devlink_priv(dl);
-
-	cdev->dl = dl;
-	qed_dl->cdev = cdev;
-
-	rc = devlink_register(dl, &cdev->pdev->dev);
-	if (rc)
-		goto err_free;
-
-	rc = devlink_params_register(dl, qed_devlink_params,
-				     ARRAY_SIZE(qed_devlink_params));
-	if (rc)
-		goto err_unregister;
-
-	value.vbool = false;
-	devlink_param_driverinit_value_set(dl,
-					   QED_DEVLINK_PARAM_ID_IWARP_CMT,
-					   value);
-
-	devlink_params_publish(dl);
-	cdev->iwarp_cmt = false;
-
-	return 0;
-
-err_unregister:
-	devlink_unregister(dl);
-
-err_free:
-	cdev->dl = NULL;
-	devlink_free(dl);
-
-	return rc;
-}
-
-static void qed_devlink_unregister(struct qed_dev *cdev)
-{
-	if (!cdev->dl)
-		return;
-
-	devlink_params_unregister(cdev->dl, qed_devlink_params,
-				  ARRAY_SIZE(qed_devlink_params));
-
-	devlink_unregister(cdev->dl);
-	devlink_free(cdev->dl);
-}
-
 /* probing */
 static struct qed_dev *qed_probe(struct pci_dev *pdev,
 				 struct qed_probe_params *params)