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/usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/pse-pd
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pse.h
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Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/pse-pd/pse.h
// SPDX-License-Identifier: GPL-2.0-only /* // Copyright (c) 2022 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> */ #ifndef _LINUX_PSE_CONTROLLER_H #define _LINUX_PSE_CONTROLLER_H #include <linux/ethtool.h> #include <linux/list.h> #include <uapi/linux/ethtool.h> struct phy_device; struct pse_controller_dev; /** * struct pse_control_config - PSE control/channel configuration. * * @admin_cotrol: set PoDL PSE admin control as described in * IEEE 802.3-2018 30.15.1.2.1 acPoDLPSEAdminControl */ struct pse_control_config { enum ethtool_podl_pse_admin_state admin_cotrol; }; /** * struct pse_control_status - PSE control/channel status. * * @podl_admin_state: operational state of the PoDL PSE * functions. IEEE 802.3-2018 30.15.1.1.2 aPoDLPSEAdminState * @podl_pw_status: power detection status of the PoDL PSE. * IEEE 802.3-2018 30.15.1.1.3 aPoDLPSEPowerDetectionStatus: */ struct pse_control_status { enum ethtool_podl_pse_admin_state podl_admin_state; enum ethtool_podl_pse_pw_d_status podl_pw_status; }; /** * struct pse_controller_ops - PSE controller driver callbacks * * @ethtool_get_status: get PSE control status for ethtool interface * @ethtool_set_config: set PSE control configuration over ethtool interface */ struct pse_controller_ops { int (*ethtool_get_status)(struct pse_controller_dev *pcdev, unsigned long id, struct netlink_ext_ack *extack, struct pse_control_status *status); int (*ethtool_set_config)(struct pse_controller_dev *pcdev, unsigned long id, struct netlink_ext_ack *extack, const struct pse_control_config *config); }; struct module; struct device_node; struct of_phandle_args; struct pse_control; /** * struct pse_controller_dev - PSE controller entity that might * provide multiple PSE controls * @ops: a pointer to device specific struct pse_controller_ops * @owner: kernel module of the PSE controller driver * @list: internal list of PSE controller devices * @pse_control_head: head of internal list of requested PSE controls * @dev: corresponding driver model device struct * @of_pse_n_cells: number of cells in PSE line specifiers * @of_xlate: translation function to translate from specifier as found in the * device tree to id as given to the PSE control ops * @nr_lines: number of PSE controls in this controller device * @lock: Mutex for serialization access to the PSE controller */ struct pse_controller_dev { const struct pse_controller_ops *ops; struct module *owner; struct list_head list; struct list_head pse_control_head; struct device *dev; int of_pse_n_cells; int (*of_xlate)(struct pse_controller_dev *pcdev, const struct of_phandle_args *pse_spec); unsigned int nr_lines; struct mutex lock; }; #if IS_ENABLED(CONFIG_PSE_CONTROLLER) int pse_controller_register(struct pse_controller_dev *pcdev); void pse_controller_unregister(struct pse_controller_dev *pcdev); struct device; int devm_pse_controller_register(struct device *dev, struct pse_controller_dev *pcdev); struct pse_control *of_pse_control_get(struct device_node *node); void pse_control_put(struct pse_control *psec); int pse_ethtool_get_status(struct pse_control *psec, struct netlink_ext_ack *extack, struct pse_control_status *status); int pse_ethtool_set_config(struct pse_control *psec, struct netlink_ext_ack *extack, const struct pse_control_config *config); #else static inline struct pse_control *of_pse_control_get(struct device_node *node) { return ERR_PTR(-ENOENT); } static inline void pse_control_put(struct pse_control *psec) { } static inline int pse_ethtool_get_status(struct pse_control *psec, struct netlink_ext_ack *extack, struct pse_control_status *status) { return -ENOTSUPP; } static inline int pse_ethtool_set_config(struct pse_control *psec, struct netlink_ext_ack *extack, const struct pse_control_config *config) { return -ENOTSUPP; } #endif #endif
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