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b1ca39411b
This device will assist userspace to manage hotplug events. A userspace application reads a DeviceEvent entry until the return value is zero which indicates no events that are queued and waiting for processing. Trying to read with a buffer smaller than sizeof(DeviceEvent) results in EOVERFLOW. For now, there's no ioctl mechanism for this device but in the future an acknowledgement mechanism can be implemented via ioctl(2) interface.
23 lines
389 B
C
23 lines
389 B
C
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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struct DeviceEvent {
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int state;
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int is_block_device;
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unsigned major_number;
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unsigned minor_number;
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enum State {
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Removed = 0x01,
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Inserted = 0x02,
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Recovered = 0x03,
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FatalError = 0x04,
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};
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};
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