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ANDROID: rproc: Add vendor hook when setting recovery mode

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Add vendor hook when setting recovery mode to notify coprocessor when
mode is changed.

Bug: 205534894
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Change-Id: Ie41170deb0426a7bcfeed8a51cc4e8e1a427592a
This commit is contained in:
Elliot Berman
2021-10-27 16:58:37 -07:00
committed by Todd Kjos
parent 56cc81bb39
commit 14eae186e4
3 changed files with 10 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -364,6 +364,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_force_compatible_post);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_print_transaction_info);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_setscheduler_uclamp);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rproc_recovery);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rproc_recovery_set);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ptype_head);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kfree_skb);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_mmap_file);

3
drivers/remoteproc/remoteproc_sysfs.c
View File

@@ -5,6 +5,7 @@
#include <linux/remoteproc.h>
#include <linux/slab.h>
#include <trace/hooks/remoteproc.h>
#include "remoteproc_internal.h"
@@ -51,9 +52,11 @@ static ssize_t recovery_store(struct device *dev,
if (sysfs_streq(buf, "enabled")) {
/* change the flag and begin the recovery process if needed */
rproc->recovery_disabled = false;
trace_android_vh_rproc_recovery_set(rproc);
rproc_trigger_recovery(rproc);
} else if (sysfs_streq(buf, "disabled")) {
rproc->recovery_disabled = true;
trace_android_vh_rproc_recovery_set(rproc);
} else if (sysfs_streq(buf, "recover")) {
/* begin the recovery process without changing the flag */
rproc_trigger_recovery(rproc);

6
include/trace/hooks/remoteproc.h
View File

@@ -12,10 +12,16 @@
struct rproc;
/* When recovery succeeds */
DECLARE_HOOK(android_vh_rproc_recovery,
TP_PROTO(struct rproc *rproc),
TP_ARGS(rproc));
/* When recovery mode is enabled or disabled by sysfs */
DECLARE_HOOK(android_vh_rproc_recovery_set,
TP_PROTO(struct rproc *rproc),
TP_ARGS(rproc));
#endif /* _TRACE_HOOK_RPROC_H */
/* This part must be outside protection */
#include <trace/define_trace.h>