1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_adapter.h b/drivers/net/ethernet/intel/ice/ice_adapter.h
new file mode 100644
index 000000000000..ac15c0d2bc1a
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_adapter.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: Copyright Red Hat */
+
+#ifndef _ICE_ADAPTER_H_
+#define _ICE_ADAPTER_H_
+
+#include <linux/types.h>
+#include <linux/spinlock_types.h>
+#include <linux/refcount_types.h>
+
+struct pci_dev;
+struct ice_pf;
+
+/**
+ * struct ice_port_list - data used to store the list of adapter ports
+ *
+ * This structure contains data used to maintain a list of adapter ports
+ *
+ * @ports: list of ports
+ * @lock: protect access to the ports list
+ */
+struct ice_port_list {
+	struct list_head ports;
+	/* To synchronize the ports list operations */
+	struct mutex lock;
+};
+
+/**
+ * struct ice_adapter - PCI adapter resources shared across PFs
+ * @ptp_gltsyn_time_lock: Spinlock protecting access to the GLTSYN_TIME
+ *                        register of the PTP clock.
+ * @refcount: Reference count. struct ice_pf objects hold the references.
+ * @ctrl_pf: Control PF of the adapter
+ * @ports: Ports list
+ * @device_serial_number: DSN cached for collision detection on 32bit systems
+ */
+struct ice_adapter {
+	refcount_t refcount;
+	/* For access to the GLTSYN_TIME register */
+	spinlock_t ptp_gltsyn_time_lock;
+
+	struct ice_pf *ctrl_pf;
+	struct ice_port_list ports;
+	u64 device_serial_number;
+};
+
+struct ice_adapter *ice_adapter_get(struct pci_dev *pdev);
+void ice_adapter_put(struct pci_dev *pdev);
+
+#endif /* _ICE_ADAPTER_H */