49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* SPDX-FileCopyrightText: Copyright Red Hat */
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#ifndef _ICE_ADAPTER_H_
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#define _ICE_ADAPTER_H_
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#include <linux/types.h>
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#include <linux/spinlock_types.h>
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#include <linux/refcount_types.h>
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struct pci_dev;
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struct ice_pf;
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/**
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* struct ice_port_list - data used to store the list of adapter ports
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*
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* This structure contains data used to maintain a list of adapter ports
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*
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* @ports: list of ports
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* @lock: protect access to the ports list
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*/
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struct ice_port_list {
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struct list_head ports;
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/* To synchronize the ports list operations */
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struct mutex lock;
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};
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/**
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* struct ice_adapter - PCI adapter resources shared across PFs
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* @ptp_gltsyn_time_lock: Spinlock protecting access to the GLTSYN_TIME
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* register of the PTP clock.
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* @refcount: Reference count. struct ice_pf objects hold the references.
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* @ctrl_pf: Control PF of the adapter
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* @ports: Ports list
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*/
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struct ice_adapter {
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refcount_t refcount;
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/* For access to the GLTSYN_TIME register */
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spinlock_t ptp_gltsyn_time_lock;
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struct ice_pf *ctrl_pf;
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struct ice_port_list ports;
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};
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struct ice_adapter *ice_adapter_get(const struct pci_dev *pdev);
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void ice_adapter_put(const struct pci_dev *pdev);
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#endif /* _ICE_ADAPTER_H */
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