From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 5FB251A0015 for ; Mon, 23 Jun 2014 12:14:45 +1000 (EST) Received: from /spool/local by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 23 Jun 2014 12:14:44 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 9E8CE3578052 for ; Mon, 23 Jun 2014 12:14:42 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s5N1qRTD2294178 for ; Mon, 23 Jun 2014 11:52:27 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s5N2EfFe003449 for ; Mon, 23 Jun 2014 12:14:42 +1000 From: Gavin Shan To: kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v1 0/3] Support PCI Error Injection Date: Mon, 23 Jun 2014 12:14:39 +1000 Message-Id: <1403489682-14841-1-git-send-email-gwshan@linux.vnet.ibm.com> Cc: aik@ozlabs.ru, qiudayu@linux.vnet.ibm.com, agraf@suse.de, Gavin Shan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The series of patches supports PCI error injection as defined in PAPR spec. There are 3 RTAS calls related to it: "ibm,open-errinjct": Apply for token to do error injection "ibm,close-errinjct": Free the token assigned previously "ibm,errinjct": Do error injection For PCI errors, we need manupulate 3 hardware registers by predetermined OPAL API. In order to export the capability to userland, one OPAL firmware related sysfs entries are created: /sys/firmware/opal/errinjct. It accepts strings to call OPAL API to inject specific errors. So it corresponds to "ibm,errinjct". So "ibm,open-errinjct" and "ibm,close-errinjct" won't be handled by host kernel and applications have full freedom to implement logic of themselves for them. Gavin Shan (3): powerpc/powernv: Sync header with firmware powerpc/powernv: Support PCI error injection powerpc/powernv: Clear PAPR error injection registers arch/powerpc/include/asm/opal.h | 66 +++++++++ arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/platforms/powernv/eeh-ioda.c | 24 ++++ arch/powerpc/platforms/powernv/opal-errinjct.c | 184 +++++++++++++++++++++++++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + arch/powerpc/platforms/powernv/opal.c | 2 + 6 files changed, 278 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/platforms/powernv/opal-errinjct.c -- 1.8.3.2