From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-x22a.google.com (mail-pd0-x22a.google.com [IPv6:2607:f8b0:400e:c02::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 9EEE41A05FF for ; Tue, 19 May 2015 23:16:01 +1000 (AEST) Received: by pdfh10 with SMTP id h10so24965809pdf.3 for ; Tue, 19 May 2015 06:15:59 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v5] powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform From: trigg In-Reply-To: <1431962284-12260-2-git-send-email-vipin@linux.vnet.ibm.com> Date: Tue, 19 May 2015 18:45:55 +0530 Message-Id: <9489704C-D4EE-481D-A191-AEAEC10A1ED9@gmail.com> References: <1431962284-12260-1-git-send-email-vipin@linux.vnet.ibm.com> <1431962284-12260-2-git-send-email-vipin@linux.vnet.ibm.com> To: Vipin K Parashar Cc: "stewart@linux.vnet.ibm.com" , "linuxppc-dev@lists.ozlabs.org" , "joel@jms.id.au" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > On 18-May-2015, at 20:48, Vipin K Parashar wrot= e: >=20 > This patch adds support for FSP EPOW (Early Power Off Warning) and > DPO (Delayed Power Off) events for PowerNV platform. EPOW events are > generated by SPCN/FSP due to various critical system conditions that > need system shutdown. Few examples of these conditions are high > ambient temperature or system running on UPS power with low UPS battery. > DPO event is generated in response to admin initiated system request. > Upon receipt of EPOW and DPO events host kernel invokes > orderly_poweroff for performing graceful system shutdown. System admin > can also add systemd service shutdown scripts to perform any specific > actions like graceful guest shutdown upon system poweroff. libvirt-guests > is systemd service available on recent distros for management of guests > at system start/shutdown time. >=20 > Signed-off-by: Vipin K Parashar Acked-by: trigg =