forked from MIrrors/gasket-driver
39f2709991
apex.h is supposed to contain kernel-userspace interface definitions, but has a number of defines that are only used by apex_driver.c or are not used at all. Move driver implementation defines not shared with userspace to the driver source. Remove unused defines. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Apex kernel-userspace interface definitions.
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*
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* Copyright (C) 2018 Google, Inc.
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*/
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#ifndef __APEX_H__
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#define __APEX_H__
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#include <linux/ioctl.h>
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/* Clock Gating ioctl. */
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struct apex_gate_clock_ioctl {
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/* Enter or leave clock gated state. */
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u64 enable;
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/* If set, enter clock gating state, regardless of custom block's
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* internal idle state
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*/
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u64 force_idle;
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};
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/* Performance expectation ioctl. */
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enum apex_performance_expectation {
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APEX_PERFORMANCE_LOW = 0,
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APEX_PERFORMANCE_MED = 1,
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APEX_PERFORMANCE_HIGH = 2,
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APEX_PERFORMANCE_MAX = 3,
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};
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struct apex_performance_expectation_ioctl {
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/* Expected performance from apex. */
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uint32_t performance;
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};
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/* Base number for all Apex-common IOCTLs */
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#define APEX_IOCTL_BASE 0x7F
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/* Enable/Disable clock gating. */
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#define APEX_IOCTL_GATE_CLOCK \
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_IOW(APEX_IOCTL_BASE, 0, struct apex_gate_clock_ioctl)
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#define APEX_IOCTL_PERFORMANCE_EXPECTATION _IOW(APEX_IOCTL_BASE, 1, struct apex_performance_expectation_ioctl)
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#endif /* __APEX_H__ */
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