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remoteproc: qcom: Add notification timeout

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If the notification clients are taking too long or are stuck somewhere we
want to be notified of such problems. This change adds the notification
timeout logic that either causes a panic or dumps the stack when a timeout
occurs.

Change-Id: Ifaa7e20a697f920ffffd7345c9794d39a718f9b0
Signed-off-by: Gokul krishna Krishnakumar <gokukris@codeaurora.org>
[quic_gurus@quicinc.com: Fix Minor merge conflict]
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
This commit is contained in:
Gokul krishna Krishnakumar 2021-09-30 09:59:43 -07:00 committed by Guru Das Srinagesh
parent a364155fa4
commit d1d5c9c42a
1 changed files with 27 additions and 0 deletions
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27
drivers/remoteproc/Kconfig
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@ -298,6 +298,33 @@ config RCAR_REMOTEPROC
This can be either built-in or a loadable module.
If compiled as module (M), the module name is rcar_rproc.
config QCOM_PANIC_ON_NOTIF_TIMEOUT
bool "Trigger kernel panic when notification timeout expires"
help
This is a debug feature where a kernel panic is triggered when
communication between subsystems through sysmon is taking too
long. This scneario can happen if the peripheral has died and
is no longer responsive.
Also trigger a kernel panic if invoking the callbacks registered
with a particular subsystem's notifications by the subsystem
notifier framework is taking too long.
config RPROC_SYSMON_NOTIF_TIMEOUT
int "Sysmon notifications timeout in ms"
default 10000
help
The amount of time, in milliseconds, that should elapse between
the start and end of sysmon notifications, before a warning
is emitted.
config RPROC_SSR_NOTIF_TIMEOUT
int "SSR notifier timeout in ms"
default 10000
help
The amount of time, in milliseconds, that should elapse between
the start and end of SSR notifications through the subsystem
notifier, before a warning is emitted.
config ST_REMOTEPROC
tristate "ST remoteproc support"
depends on ARCH_STI