From patchwork Thu Sep 26 06:18:45 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 278106 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 131D62C00B9 for ; Thu, 26 Sep 2013 16:24:31 +1000 (EST) Received: from localhost ([::1]:56388 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VP500-0001Xq-T3 for incoming@patchwork.ozlabs.org; Thu, 26 Sep 2013 02:24:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44753) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VP4vA-0001d0-VH for qemu-devel@nongnu.org; Thu, 26 Sep 2013 02:19:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VP4uu-00088K-UH for qemu-devel@nongnu.org; Thu, 26 Sep 2013 02:19:28 -0400 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:40057) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VP4uu-00087e-BK for qemu-devel@nongnu.org; Thu, 26 Sep 2013 02:19:12 -0400 Received: from /spool/local by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 26 Sep 2013 16:19:08 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id E02EF2BB0052; Thu, 26 Sep 2013 16:19:01 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r8Q62L2g5898708; Thu, 26 Sep 2013 16:02:21 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id r8Q6J1Wu005737; Thu, 26 Sep 2013 16:19:01 +1000 Received: from ozlabs.au.ibm.com (ozlabs.au.ibm.com [9.190.163.12]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id r8Q6J0HS005722; Thu, 26 Sep 2013 16:19:01 +1000 Received: from bran.ozlabs.ibm.com (haven.au.ibm.com [9.190.164.82]) by ozlabs.au.ibm.com (Postfix) with ESMTP id C1846A010D; Thu, 26 Sep 2013 16:19:00 +1000 (EST) Received: from ka1.ozlabs.ibm.com (ka1.ozlabs.ibm.com [10.61.145.11]) by bran.ozlabs.ibm.com (Postfix) with ESMTP id 9C42C16ABB8; Thu, 26 Sep 2013 16:18:59 +1000 (EST) From: Alexey Kardashevskiy To: qemu-devel@nongnu.org Date: Thu, 26 Sep 2013 16:18:45 +1000 Message-Id: <1380176328-21320-12-git-send-email-aik@ozlabs.ru> X-Mailer: git-send-email 1.8.4.rc4 In-Reply-To: <1380176328-21320-1-git-send-email-aik@ozlabs.ru> References: <1380176328-21320-1-git-send-email-aik@ozlabs.ru> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13092606-5490-0000-0000-00000436FB11 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 202.81.31.144 Cc: aik@ozlabs.ru, Alexander Graf , qemu-ppc@nongnu.org, Anthony Liguori , David Gibson Subject: [Qemu-devel] [PATCH v5 11/14] xics: Implement H_IPOLL X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Benjamin Herrenschmidt This adds support for the H_IPOLL hypercall which the guest uses to poll for a pending interrupt. This hypercall is mandatory for PAPR+ and there is no way for the guest to detect whether it is supported or not so just add it. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Alexey Kardashevskiy Acked-by: Alexander Graf --- hw/intc/xics.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/intc/xics.c b/hw/intc/xics.c index 1c6e6f5..eb93276 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -689,6 +689,18 @@ static target_ulong h_eoi(PowerPCCPU *cpu, sPAPREnvironment *spapr, return H_SUCCESS; } +static target_ulong h_ipoll(PowerPCCPU *cpu, sPAPREnvironment *spapr, + target_ulong opcode, target_ulong *args) +{ + CPUState *cs = CPU(cpu); + ICPState *ss = &spapr->icp->ss[cs->cpu_index]; + + args[0] = ss->xirr; + args[1] = ss->mfrr; + + return H_SUCCESS; +} + static void rtas_set_xive(PowerPCCPU *cpu, sPAPREnvironment *spapr, uint32_t token, uint32_t nargs, target_ulong args, @@ -842,6 +854,7 @@ static void xics_realize(DeviceState *dev, Error **errp) spapr_register_hypercall(H_IPI, h_ipi); spapr_register_hypercall(H_XIRR, h_xirr); spapr_register_hypercall(H_EOI, h_eoi); + spapr_register_hypercall(H_IPOLL, h_ipoll); object_property_set_bool(OBJECT(icp->ics), true, "realized", &error); if (error) {