Rtwo/kernel/motorola/sm8550/include/linux/msm_rtb.h
2025-09-30 19:22:48 -05:00

76 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2012-2014, 2016, 2018-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __MSM_RTB_H__
#define __MSM_RTB_H__
/*
* These numbers are used from the kernel command line and sysfs
* to control filtering. Remove items from here with extreme caution.
*/
enum logk_event_type {
LOGK_NONE = 0,
LOGK_READL = 1,
LOGK_WRITEL = 2,
LOGK_LOGBUF = 3,
LOGK_HOTPLUG = 4,
LOGK_CTXID = 5,
LOGK_TIMESTAMP = 6,
LOGK_L2CPREAD = 7,
LOGK_L2CPWRITE = 8,
LOGK_IRQ = 9,
};
#define LOGTYPE_NOPC 0x80
struct msm_rtb_platform_data {
unsigned int size;
};
#define ETB_WAYPOINT do { \
BRANCH_TO_NEXT_ISTR; \
nop(); \
BRANCH_TO_NEXT_ISTR; \
nop(); \
} while (0)
#define BRANCH_TO_NEXT_ISTR \
do { \
asm volatile("b .+4\n" : : : "memory"); \
} while (0)
/*
* both the mb and the isb are needed to ensure enough waypoints for
* etb tracing
*/
#define LOG_BARRIER do { \
mb(); \
isb(); \
} while (0)
#define readb_no_log(c) readb(c)
#define readw_no_log(c) readw(c)
#define readl_no_log(c) readl(c)
#define readq_no_log(c) readq(c)
#define writeb_no_log(v, c) writeb(v, c)
#define writew_no_log(v, c) writew(v, c)
#define writel_no_log(v, c) writel(v, c)
#define writeq_no_log(v, c) writeq(v, c)
#define readb_relaxed_no_log(c) readb_relaxed(c)
#define readw_relaxed_no_log(c) readw_relaxed(c)
#define readl_relaxed_no_log(c) readl_relaxed(c)
#define readq_relaxed_no_log(c) readq_relaxed(c)
#define writeb_relaxed_no_log(v, c) writeb_relaxed(v, c)
#define writew_relaxed_no_log(v, c) writew_relaxed(v, c)
#define writel_relaxed_no_log(v, c) writel_relaxed(v, c)
#define writeq_relaxed_no_log(v, c) writeq_relaxed(v, c)
#endif