Files
cubelinux-kernel/drivers/infiniband/hw/hfi1/aspm.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

36 lines
893 B
C

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright(c) 2015-2017 Intel Corporation.
*/
#ifndef _ASPM_H
#define _ASPM_H
#include "hfi.h"
extern uint aspm_mode;
enum aspm_mode {
ASPM_MODE_DISABLED = 0, /* ASPM always disabled, performance mode */
ASPM_MODE_ENABLED = 1, /* ASPM always enabled, power saving mode */
ASPM_MODE_DYNAMIC = 2, /* ASPM enabled/disabled dynamically */
};
void aspm_init(struct hfi1_devdata *dd);
void aspm_exit(struct hfi1_devdata *dd);
void aspm_hw_disable_l1(struct hfi1_devdata *dd);
void __aspm_ctx_disable(struct hfi1_ctxtdata *rcd);
void aspm_disable_all(struct hfi1_devdata *dd);
void aspm_enable_all(struct hfi1_devdata *dd);
static inline void aspm_ctx_disable(struct hfi1_ctxtdata *rcd)
{
/* Quickest exit for minimum impact */
if (likely(!rcd->aspm_intr_supported))
return;
__aspm_ctx_disable(rcd);
}
#endif /* _ASPM_H */