From patchwork Fri Feb 26 11:31:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 8435961 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 180389F1D4 for ; Fri, 26 Feb 2016 11:31:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4BCD22022A for ; Fri, 26 Feb 2016 11:31:29 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2B8052015A for ; Fri, 26 Feb 2016 11:31:28 +0000 (UTC) Received: from localhost ([::1]:48991 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZGcJ-00020P-DN for patchwork-qemu-devel@patchwork.kernel.org; Fri, 26 Feb 2016 06:31:27 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36369) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZGc1-0001wM-PJ for qemu-devel@nongnu.org; Fri, 26 Feb 2016 06:31:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aZGby-0006iA-D5 for qemu-devel@nongnu.org; Fri, 26 Feb 2016 06:31:09 -0500 Received: from ozlabs.org ([103.22.144.67]:42937) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZGby-0006hM-2F; Fri, 26 Feb 2016 06:31:06 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id CA434140325; Fri, 26 Feb 2016 22:31:02 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1456486262; bh=rEHCK1LnDT4HpU3a5nu+ppwJLb88FKwxEzMUqSh4Vog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KpQIHkRqL0j9i5zokEmdHS4LRTk+grsFgAm/A8z+x6RH16XXrjZMFPAQMrcTGP6GS Viee6xChDCY9lzmMvfsT1z9GpX3RA4mPagAxoB//fxGzfAyokSr5yDRbERZ0/A89pJ C+XnlQXyB2vUi8ih3U8K25Gt8biM1ymvMB/iE6fc= From: David Gibson To: aik@ozlabs.ru, benh@kernel.crashing.org Date: Fri, 26 Feb 2016 22:31:58 +1100 Message-Id: <1456486323-8047-8-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1456486323-8047-1-git-send-email-david@gibson.dropbear.id.au> References: <1456486323-8047-1-git-send-email-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 103.22.144.67 Cc: agraf@suse.de, qemu-devel@nongnu.org, gwshan@au1.ibm.com, mdroth@linux.vnet.ibm.com, alex.williamson@redhat.com, qemu-ppc@nongnu.org, David Gibson Subject: [Qemu-devel] [PATCH 07/12] spapr_pci: Fold spapr_phb_vfio_eeh_set_option() into spapr_pci code 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Simplify the sPAPR PCI code by folding spapr_phb_eeh_set_option() into rtas_ibm_set_eeh_option(). Signed-off-by: David Gibson Reviewed-by: Alexey Kardashevskiy --- hw/ppc/spapr_pci.c | 43 +++++++++++++++++++++++++++++++++++++++-- hw/ppc/spapr_pci_vfio.c | 47 --------------------------------------------- include/hw/pci-host/spapr.h | 4 ---- 3 files changed, 41 insertions(+), 53 deletions(-) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index eaae7e2..26d08ad 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -450,6 +450,7 @@ static void rtas_ibm_set_eeh_option(PowerPCCPU *cpu, sPAPRPHBState *sphb; uint32_t addr, option; uint64_t buid; + uint32_t op; int ret; if ((nargs != 4) || (nret != 1)) { @@ -469,8 +470,46 @@ static void rtas_ibm_set_eeh_option(PowerPCCPU *cpu, goto param_error_exit; } - ret = spapr_phb_vfio_eeh_set_option(sphb, addr, option); - rtas_st(rets, 0, ret); + switch (option) { + case RTAS_EEH_DISABLE: + op = VFIO_EEH_PE_DISABLE; + break; + case RTAS_EEH_ENABLE: { + PCIHostState *phb; + PCIDevice *pdev; + + /* + * The EEH functionality is enabled on basis of PCI device, + * instead of PE. We need check the validity of the PCI + * device address. + */ + phb = PCI_HOST_BRIDGE(sphb); + pdev = pci_find_device(phb->bus, + (addr >> 16) & 0xFF, (addr >> 8) & 0xFF); + if (!pdev || !object_dynamic_cast(OBJECT(pdev), "vfio-pci")) { + goto param_error_exit; + } + + op = VFIO_EEH_PE_ENABLE; + break; + } + case RTAS_EEH_THAW_IO: + op = VFIO_EEH_PE_UNFREEZE_IO; + break; + case RTAS_EEH_THAW_DMA: + op = VFIO_EEH_PE_UNFREEZE_DMA; + break; + default: + goto param_error_exit; + } + + ret = vfio_eeh_as_op(&sphb->iommu_as, op); + if (ret < 0) { + rtas_st(rets, 0, RTAS_OUT_HW_ERROR); + return; + } + + rtas_st(rets, 0, RTAS_OUT_SUCCESS); return; param_error_exit: diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c index c87f2e4..cccd444 100644 --- a/hw/ppc/spapr_pci_vfio.c +++ b/hw/ppc/spapr_pci_vfio.c @@ -89,53 +89,6 @@ void spapr_phb_vfio_reset(DeviceState *qdev) spapr_phb_vfio_eeh_reenable(SPAPR_PCI_HOST_BRIDGE(qdev)); } -int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb, - unsigned int addr, int option) -{ - uint32_t op; - int ret; - - switch (option) { - case RTAS_EEH_DISABLE: - op = VFIO_EEH_PE_DISABLE; - break; - case RTAS_EEH_ENABLE: { - PCIHostState *phb; - PCIDevice *pdev; - - /* - * The EEH functionality is enabled on basis of PCI device, - * instead of PE. We need check the validity of the PCI - * device address. - */ - phb = PCI_HOST_BRIDGE(sphb); - pdev = pci_find_device(phb->bus, - (addr >> 16) & 0xFF, (addr >> 8) & 0xFF); - if (!pdev || !object_dynamic_cast(OBJECT(pdev), "vfio-pci")) { - return RTAS_OUT_PARAM_ERROR; - } - - op = VFIO_EEH_PE_ENABLE; - break; - } - case RTAS_EEH_THAW_IO: - op = VFIO_EEH_PE_UNFREEZE_IO; - break; - case RTAS_EEH_THAW_DMA: - op = VFIO_EEH_PE_UNFREEZE_DMA; - break; - default: - return RTAS_OUT_PARAM_ERROR; - } - - ret = vfio_eeh_as_op(&sphb->iommu_as, op); - if (ret < 0) { - return RTAS_OUT_HW_ERROR; - } - - return RTAS_OUT_SUCCESS; -} - static void spapr_phb_vfio_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 55237fc..d32750e 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -135,8 +135,4 @@ PCIDevice *spapr_pci_find_dev(sPAPRMachineState *spapr, uint64_t buid, uint32_t config_addr); void spapr_phb_vfio_reset(DeviceState *qdev); -/* VFIO EEH hooks */ -int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb, - unsigned int addr, int option); - #endif /* __HW_SPAPR_PCI_H__ */