From: Gavin Shan <gshan@redhat.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, will@kernel.org, james.morse@arm.com,
shan.gavin@gmail.com, catalin.marinas@arm.com
Subject: [PATCH 14/14] drivers/firmware/sdei: Add sdei_event_get_info()
Date: Mon, 6 Jul 2020 15:47:32 +1000 [thread overview]
Message-ID: <20200706054732.99387-15-gshan@redhat.com> (raw)
In-Reply-To: <20200706054732.99387-1-gshan@redhat.com>
This adds API sdei_event_get_info(), to be used when virtualized
SDEI is supported to retrieve the information about the specified
event.
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
drivers/firmware/arm_sdei.c | 13 +++++++++++++
include/linux/arm_sdei.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index c6bd43914ea0..d5aadf99d0c1 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -173,6 +173,19 @@ static int sdei_api_event_get_info(u32 event, u32 info, u64 *result)
0, 0, result);
}
+int sdei_event_get_info(u32 event, u32 info, u64 *result)
+{
+ int err;
+
+ mutex_lock(&sdei_events_lock);
+
+ err = sdei_api_event_get_info(event, info, result);
+
+ mutex_unlock(&sdei_events_lock);
+
+ return err;
+}
+
static struct sdei_event *sdei_event_create(u32 event_num,
sdei_event_callback *cb,
void *cb_arg)
diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
index 36003751e26e..11dd66273209 100644
--- a/include/linux/arm_sdei.h
+++ b/include/linux/arm_sdei.h
@@ -64,6 +64,7 @@ struct sdei_event {
};
/* APIs */
+int sdei_event_get_info(u32 event, u32 info, u64 *result);
struct sdei_event *sdei_event_register(u32 event_num,
sdei_event_callback *cb, void *arg);
int sdei_event_unregister(struct sdei_event *event);
--
2.23.0
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next prev parent reply other threads:[~2020-07-06 5:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-06 5:47 [PATCH 00/14] Refactor SDEI client driver Gavin Shan
2020-07-06 5:47 ` [PATCH 01/14] drivers/firmware/sdei: Remove sdei_is_err() Gavin Shan
2020-07-21 20:39 ` James Morse
2020-07-22 2:04 ` Gavin Shan
2020-07-06 5:47 ` [PATCH 02/14] drivers/firmware/sdei: Common block for failing path in sdei_event_create() Gavin Shan
2020-07-21 20:40 ` James Morse
2020-07-22 2:12 ` Gavin Shan
2020-07-06 5:47 ` [PATCH 03/14] drivers/firmware/sdei: Dereference SDEI event parameter directly Gavin Shan
2020-07-21 20:41 ` James Morse
2020-07-22 2:38 ` Gavin Shan
2020-07-06 5:47 ` [PATCH 04/14] drivers/firmware/sdei: Rework sdei_init() Gavin Shan
2020-07-21 20:42 ` James Morse
2020-07-22 3:34 ` Gavin Shan
2020-07-06 5:47 ` [PATCH 05/14] drivers/firmware/sdei: Remove sdei_get_conduit() Gavin Shan
2020-07-21 20:42 ` James Morse
2020-07-22 3:50 ` Gavin Shan
2020-07-06 5:47 ` [PATCH 06/14] drivers/firmware/sdei: Drop redundant error message in sdei_probe() Gavin Shan
2020-07-06 5:47 ` [PATCH 07/14] drivers/firmware/sdei: Drop unnecessary while loop Gavin Shan
2020-07-06 5:47 ` [PATCH 08/14] drivers/firmware/sdei: Cleanup on cross call functions Gavin Shan
2020-07-06 5:47 ` [PATCH 09/14] drivers/firmware/sdei: Introduce sdei_do_local_call() Gavin Shan
2020-07-06 5:47 ` [PATCH 10/14] drivers/firmware/sdei: Remove _sdei_event_register() Gavin Shan
2020-07-06 5:47 ` [PATCH 11/14] drivers/firmware/sdei: Remove _sdei_event_unregister() Gavin Shan
2020-07-06 5:47 ` [PATCH 12/14] drivers/firmware/sdei: Identify event by struct sdei_event Gavin Shan
2020-07-06 5:47 ` [PATCH 13/14] drivers/firmware/sdei: Retrieve event signaled property on creation Gavin Shan
2020-07-06 5:47 ` Gavin Shan [this message]
2020-07-21 9:44 ` [PATCH 00/14] Refactor SDEI client driver Gavin Shan
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