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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127/* SPDX-License-Identifier: GPL-2.0 *//* * Intel ISH client Interface definitions * * Copyright (c) 2019, Intel Corporation. */
#ifndef _INTEL_ISH_CLIENT_IF_H_#define _INTEL_ISH_CLIENT_IF_H_
#include <linux/device.h>#include <linux/device-id/ishtp.h>
struct ishtp_cl_device;struct ishtp_device;struct ishtp_cl;struct ishtp_fw_client;
typedef __printf(2, 3) void (*ishtp_print_log)(struct ishtp_device *dev, const char *format, ...);
/* Client state */enum cl_state { ISHTP_CL_INITIALIZING = 0, ISHTP_CL_CONNECTING, ISHTP_CL_CONNECTED, ISHTP_CL_DISCONNECTING, ISHTP_CL_DISCONNECTED};
/** * struct ishtp_cl_device - ISHTP device handle * @driver: driver instance on a bus * @name: Name of the device for probe * @probe: driver callback for device probe * @remove: driver callback on device removal * * Client drivers defines to get probed/removed for ISHTP client device. */struct ishtp_cl_driver { struct device_driver driver; const char *name; const struct ishtp_device_id *id; int (*probe)(struct ishtp_cl_device *dev); void (*remove)(struct ishtp_cl_device *dev); int (*reset)(struct ishtp_cl_device *dev); const struct dev_pm_ops *pm;};
/** * struct ishtp_msg_data - ISHTP message data struct * @size: Size of data in the *data * @data: Pointer to data */struct ishtp_msg_data { uint32_t size; unsigned char *data;};
/* * struct ishtp_cl_rb - request block structure * @list: Link to list members * @cl: ISHTP client instance * @buffer: message header * @buf_idx: Index into buffer * @read_time: unused at this time */struct ishtp_cl_rb { struct list_head list; struct ishtp_cl *cl; struct ishtp_msg_data buffer; unsigned long buf_idx; unsigned long read_time;};
int ishtp_cl_driver_register(struct ishtp_cl_driver *driver, struct module *owner);void ishtp_cl_driver_unregister(struct ishtp_cl_driver *driver);int ishtp_register_event_cb(struct ishtp_cl_device *device, void (*read_cb)(struct ishtp_cl_device *));
/* Get the device * from ishtp device instance */struct device *ishtp_device(struct ishtp_cl_device *cl_device);/* wait for IPC resume */bool ishtp_wait_resume(struct ishtp_device *dev);/* Trace interface for clients */ishtp_print_log ishtp_trace_callback(struct ishtp_cl_device *cl_device);/* Get device pointer of PCI device for DMA acces */struct device *ishtp_get_pci_device(struct ishtp_cl_device *cl_device);/* Get the ISHTP workqueue */struct workqueue_struct *ishtp_get_workqueue(struct ishtp_cl_device *cl_device);
struct ishtp_cl *ishtp_cl_allocate(struct ishtp_cl_device *cl_device);void ishtp_cl_free(struct ishtp_cl *cl);int ishtp_cl_link(struct ishtp_cl *cl);void ishtp_cl_unlink(struct ishtp_cl *cl);int ishtp_cl_disconnect(struct ishtp_cl *cl);int ishtp_cl_connect(struct ishtp_cl *cl);int ishtp_cl_establish_connection(struct ishtp_cl *cl, const guid_t *uuid, int tx_size, int rx_size, bool reset);void ishtp_cl_destroy_connection(struct ishtp_cl *cl, bool reset);int ishtp_cl_send(struct ishtp_cl *cl, uint8_t *buf, size_t length);int ishtp_cl_flush_queues(struct ishtp_cl *cl);int ishtp_cl_io_rb_recycle(struct ishtp_cl_rb *rb);struct ishtp_cl_rb *ishtp_cl_rx_get_rb(struct ishtp_cl *cl);void *ishtp_get_client_data(struct ishtp_cl *cl);void ishtp_set_client_data(struct ishtp_cl *cl, void *data);struct ishtp_device *ishtp_get_ishtp_device(struct ishtp_cl *cl);void ishtp_set_tx_ring_size(struct ishtp_cl *cl, int size);void ishtp_set_rx_ring_size(struct ishtp_cl *cl, int size);void ishtp_set_connection_state(struct ishtp_cl *cl, int state);int ishtp_get_connection_state(struct ishtp_cl *cl);void ishtp_cl_set_fw_client_id(struct ishtp_cl *cl, int fw_client_id);
void ishtp_put_device(struct ishtp_cl_device *cl_dev);void ishtp_get_device(struct ishtp_cl_device *cl_dev);void ishtp_set_drvdata(struct ishtp_cl_device *cl_device, void *data);void *ishtp_get_drvdata(struct ishtp_cl_device *cl_device);struct ishtp_cl_device *ishtp_dev_to_cl_device(struct device *dev);int ishtp_register_event_cb(struct ishtp_cl_device *device, void (*read_cb)(struct ishtp_cl_device *));struct ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev, const guid_t *uuid);int ishtp_get_fw_client_id(struct ishtp_fw_client *fw_client);int ish_hw_reset(struct ishtp_device *dev);#endif /* _INTEL_ISH_CLIENT_IF_H_ */