Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/mic_bus.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2014 Intel Corporation. * * Intel MIC Bus driver. * * This implementation is very similar to the the virtio bus driver * implementation @ include/linux/virtio.h. */ #ifndef _MIC_BUS_H_ #define _MIC_BUS_H_ /* * Everything a mbus driver needs to work with any particular mbus * implementation. */ #include <linux/interrupt.h> #include <linux/dma-mapping.h> struct mbus_device_id { __u32 device; __u32 vendor; }; #define MBUS_DEV_DMA_HOST 2 #define MBUS_DEV_DMA_MIC 3 #define MBUS_DEV_ANY_ID 0xffffffff /** * mbus_device - representation of a device using mbus * @mmio_va: virtual address of mmio space * @hw_ops: the hardware ops supported by this device. * @id: the device type identification (used to match it with a driver). * @dev: underlying device. * be used to communicate with. * @index: unique position on the mbus bus */ struct mbus_device { void __iomem *mmio_va; struct mbus_hw_ops *hw_ops; struct mbus_device_id id; struct device dev; int index; }; /** * mbus_driver - operations for a mbus I/O driver * @driver: underlying device driver (populate name and owner). * @id_table: the ids serviced by this driver. * @probe: the function to call when a device is found. Returns 0 or -errno. * @remove: the function to call when a device is removed. */ struct mbus_driver { struct device_driver driver; const struct mbus_device_id *id_table; int (*probe)(struct mbus_device *dev); void (*scan)(struct mbus_device *dev); void (*remove)(struct mbus_device *dev); }; /** * struct mic_irq - opaque pointer used as cookie */ struct mic_irq; /** * mbus_hw_ops - Hardware operations for accessing a MIC device on the MIC bus. */ struct mbus_hw_ops { struct mic_irq* (*request_threaded_irq)(struct mbus_device *mbdev, irq_handler_t handler, irq_handler_t thread_fn, const char *name, void *data, int intr_src); void (*free_irq)(struct mbus_device *mbdev, struct mic_irq *cookie, void *data); void (*ack_interrupt)(struct mbus_device *mbdev, int num); }; struct mbus_device * mbus_register_device(struct device *pdev, int id, const struct dma_map_ops *dma_ops, struct mbus_hw_ops *hw_ops, int index, void __iomem *mmio_va); void mbus_unregister_device(struct mbus_device *mbdev); int mbus_register_driver(struct mbus_driver *drv); void mbus_unregister_driver(struct mbus_driver *drv); static inline struct mbus_device *dev_to_mbus(struct device *_dev) { return container_of(_dev, struct mbus_device, dev); } static inline struct mbus_driver *drv_to_mbus(struct device_driver *drv) { return container_of(drv, struct mbus_driver, driver); } #endif /* _MIC_BUS_H */
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