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39db74ce1a
Mei bus receive and send function may return either number of transmitted bytes or errno. It is better to use ssize_t type for that purpose that mixing size_t with int. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#ifndef _LINUX_MEI_CL_BUS_H
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#define _LINUX_MEI_CL_BUS_H
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#include <linux/device.h>
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#include <linux/uuid.h>
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#include <linux/mod_devicetable.h>
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struct mei_cl_device;
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struct mei_cl_driver {
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struct device_driver driver;
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const char *name;
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const struct mei_cl_device_id *id_table;
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int (*probe)(struct mei_cl_device *dev,
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const struct mei_cl_device_id *id);
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int (*remove)(struct mei_cl_device *dev);
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};
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int __mei_cl_driver_register(struct mei_cl_driver *driver,
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struct module *owner);
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#define mei_cl_driver_register(driver) \
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__mei_cl_driver_register(driver, THIS_MODULE)
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void mei_cl_driver_unregister(struct mei_cl_driver *driver);
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ssize_t mei_cl_send(struct mei_cl_device *device, u8 *buf, size_t length);
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ssize_t mei_cl_recv(struct mei_cl_device *device, u8 *buf, size_t length);
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typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
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u32 events, void *context);
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int mei_cl_register_event_cb(struct mei_cl_device *device,
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mei_cl_event_cb_t read_cb, void *context);
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#define MEI_CL_EVENT_RX 0
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#define MEI_CL_EVENT_TX 1
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void *mei_cl_get_drvdata(const struct mei_cl_device *device);
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void mei_cl_set_drvdata(struct mei_cl_device *device, void *data);
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int mei_cl_enable_device(struct mei_cl_device *device);
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int mei_cl_disable_device(struct mei_cl_device *device);
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#endif /* _LINUX_MEI_CL_BUS_H */
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