From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40qRFS6k1MzF0jM for ; Tue, 22 May 2018 03:52:44 +1000 (AEST) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w4LHnAdI001908 for ; Mon, 21 May 2018 13:52:42 -0400 Received: from e12.ny.us.ibm.com (e12.ny.us.ibm.com [129.33.205.202]) by mx0b-001b2d01.pphosted.com with ESMTP id 2j41agc4gd-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 21 May 2018 13:52:41 -0400 Received: from localhost by e12.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 21 May 2018 13:52:41 -0400 Cc: Michael Bringmann , Nathan Fontenot , John Allen , Tyrel Datwyler , Thomas Falcon From: Michael Bringmann Subject: [RFC v5 3/6] migration/dlpar: Add device readd queuing function To: linuxppc-dev@lists.ozlabs.org In-Reply-To: <6add12e8-acf9-228e-fa04-80e38dbb8f7c@linux.vnet.ibm.com> Date: Mon, 21 May 2018 12:52:36 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-Id: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , migration/dlpar: This patch adds function dlpar_readd_action() which will queue a worker function to 'readd' a device in the system. Such devices must be identified by a 'resource' type and a drc_index to be readded. Signed-off-by: Michael Bringmann --- arch/powerpc/platforms/pseries/dlpar.c | 14 ++++++++++++++ arch/powerpc/platforms/pseries/pseries.h | 1 + 2 files changed, 15 insertions(+) diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index a0b20c0..a14684e 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -407,6 +407,20 @@ void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog, } } +int dlpar_queue_action(int resource, int action, u32 drc_index) +{ + struct pseries_hp_errorlog hp_elog; + + hp_elog.resource = resource; + hp_elog.action = action; + hp_elog.id_type = PSERIES_HP_ELOG_ID_DRC_INDEX; + hp_elog._drc_u.drc_index = drc_index; + + queue_hotplug_event(&hp_elog, NULL, NULL); + + return 0; +} + static int dlpar_parse_resource(char **cmd, struct pseries_hp_errorlog *hp_elog) { char *arg; diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 60db2ee..cb2beb1 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -61,6 +61,7 @@ extern struct device_node *dlpar_configure_connector(__be32, void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog, struct completion *hotplug_done, int *rc); +extern int dlpar_queue_action(int resource, int action, u32 drc_index); #ifdef CONFIG_MEMORY_HOTPLUG int dlpar_memory(struct pseries_hp_errorlog *hp_elog); #else