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Wed, 22 Jul 2020 05:58:35 -0400 X-MC-Unique: cRwa0WU1PtirffKSqmD3pA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 323A3E91B; Wed, 22 Jul 2020 09:58:34 +0000 (UTC) Received: from localhost.localdomain.com (vpn2-54-170.bne.redhat.com [10.64.54.170]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1E735D9CA; Wed, 22 Jul 2020 09:58:31 +0000 (UTC) From: Gavin Shan To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 17/17] drivers/firmware/sdei: Add sdei_event_get_info() Date: Wed, 22 Jul 2020 19:57:40 +1000 Message-Id: <20200722095740.28560-18-gshan@redhat.com> In-Reply-To: <20200722095740.28560-1-gshan@redhat.com> References: <20200722095740.28560-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200722_055840_925648_E6A552F4 X-CRM114-Status: GOOD ( 11.04 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [205.139.110.61 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [205.139.110.61 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, will@kernel.org, james.morse@arm.com, shan.gavin@gmail.com, catalin.marinas@arm.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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 --- drivers/firmware/arm_sdei.c | 13 +++++++++++++ include/linux/arm_sdei.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index 7518d3febf53..cb7f8c6849a1 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -172,6 +172,19 @@ static int sdei_api_event_get_info(u32 event, u32 info, u64 *result) 0, 0, result); } +int sdei_event_get_info(u32 event_num, u32 info, u64 *result) +{ + int err; + + mutex_lock(&sdei_events_lock); + + err = sdei_api_event_get_info(event_num, 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 7f3ed7e4b680..93e372a1454c 100644 --- a/include/linux/arm_sdei.h +++ b/include/linux/arm_sdei.h @@ -63,6 +63,8 @@ struct sdei_event { }; }; +int sdei_event_get_info(u32 event_num, u32 info, u64 *result); + /* * Register your callback to claim an event. The event must be described * by firmware.