Re: [PATCH v16 3/9] ptp: Reorganize ptp_kvm module to make it arch-independent.
From: Marc Zyngier <maz@kernel.org>
Date: 2021-02-02 13:24:02
Also in:
kvm, kvmarm, lkml, netdev
On 2020-12-09 06:09, Jianyong Wu wrote:
Currently, ptp_kvm modules implementation is only for x86 which
includes
large part of arch-specific code. This patch moves all of this code
into a new arch related file in the same directory.
Signed-off-by: Jianyong Wu <redacted>
---
drivers/ptp/Makefile | 1 +
drivers/ptp/{ptp_kvm.c => ptp_kvm_common.c} | 84 +++++-------------
drivers/ptp/ptp_kvm_x86.c | 96 +++++++++++++++++++++
include/linux/ptp_kvm.h | 16 ++++
4 files changed, 135 insertions(+), 62 deletions(-)
rename drivers/ptp/{ptp_kvm.c => ptp_kvm_common.c} (60%)
create mode 100644 drivers/ptp/ptp_kvm_x86.c
create mode 100644 include/linux/ptp_kvm.h[...]
quoted hunk ↗ jump to hunk
diff --git a/include/linux/ptp_kvm.h b/include/linux/ptp_kvm.h new file mode 100644 index 000000000000..6f104b1967bb --- /dev/null +++ b/include/linux/ptp_kvm.h@@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Virtual PTP 1588 clock for use with KVM guests + * + * Copyright (C) 2017 Red Hat Inc. + */ + +#ifndef _PTP_KVM_H_ +#define _PTP_KVM_H_ + +int kvm_arch_ptp_init(void); +int kvm_arch_ptp_get_clock(struct timespec64 *ts); +int kvm_arch_ptp_get_crosststamp(u64 *cycle, + struct timespec64 *tspec, struct clocksource **cs);
You probably want some forward declarations for timespec64 and
clocksource, so that this include file is standalone.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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