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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8991eb309e
Move the interface functions in client.h to common include. These are already abstracted well to use as is. Also move any associated structures used by these functions. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Intel ISH client Interface definitions
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*
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* Copyright (c) 2019, Intel Corporation.
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*/
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#ifndef _INTEL_ISH_CLIENT_IF_H_
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#define _INTEL_ISH_CLIENT_IF_H_
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struct ishtp_cl_device;
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struct ishtp_cl;
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/* Client state */
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enum cl_state {
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ISHTP_CL_INITIALIZING = 0,
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ISHTP_CL_CONNECTING,
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ISHTP_CL_CONNECTED,
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ISHTP_CL_DISCONNECTING,
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ISHTP_CL_DISCONNECTED
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};
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/**
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* struct ishtp_cl_device - ISHTP device handle
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* @driver: driver instance on a bus
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* @name: Name of the device for probe
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* @probe: driver callback for device probe
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* @remove: driver callback on device removal
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*
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* Client drivers defines to get probed/removed for ISHTP client device.
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*/
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struct ishtp_cl_driver {
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struct device_driver driver;
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const char *name;
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const guid_t *guid;
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int (*probe)(struct ishtp_cl_device *dev);
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int (*remove)(struct ishtp_cl_device *dev);
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int (*reset)(struct ishtp_cl_device *dev);
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const struct dev_pm_ops *pm;
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};
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/**
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* struct ishtp_msg_data - ISHTP message data struct
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* @size: Size of data in the *data
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* @data: Pointer to data
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*/
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struct ishtp_msg_data {
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uint32_t size;
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unsigned char *data;
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};
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/*
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* struct ishtp_cl_rb - request block structure
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* @list: Link to list members
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* @cl: ISHTP client instance
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* @buffer: message header
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* @buf_idx: Index into buffer
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* @read_time: unused at this time
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*/
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struct ishtp_cl_rb {
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struct list_head list;
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struct ishtp_cl *cl;
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struct ishtp_msg_data buffer;
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unsigned long buf_idx;
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unsigned long read_time;
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};
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int ishtp_cl_driver_register(struct ishtp_cl_driver *driver,
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struct module *owner);
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void ishtp_cl_driver_unregister(struct ishtp_cl_driver *driver);
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int ishtp_register_event_cb(struct ishtp_cl_device *device,
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void (*read_cb)(struct ishtp_cl_device *));
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/* Get the device * from ishtp device instance */
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struct device *ishtp_device(struct ishtp_cl_device *cl_device);
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/* Trace interface for clients */
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void *ishtp_trace_callback(struct ishtp_cl_device *cl_device);
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struct ishtp_cl *ishtp_cl_allocate(struct ishtp_cl_device *cl_device);
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void ishtp_cl_free(struct ishtp_cl *cl);
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int ishtp_cl_link(struct ishtp_cl *cl);
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void ishtp_cl_unlink(struct ishtp_cl *cl);
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int ishtp_cl_disconnect(struct ishtp_cl *cl);
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int ishtp_cl_connect(struct ishtp_cl *cl);
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int ishtp_cl_send(struct ishtp_cl *cl, uint8_t *buf, size_t length);
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int ishtp_cl_flush_queues(struct ishtp_cl *cl);
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int ishtp_cl_io_rb_recycle(struct ishtp_cl_rb *rb);
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bool ishtp_cl_tx_empty(struct ishtp_cl *cl);
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struct ishtp_cl_rb *ishtp_cl_rx_get_rb(struct ishtp_cl *cl);
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#endif /* _INTEL_ISH_CLIENT_IF_H_ */
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