From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp02.au.ibm.com ([202.81.31.144]:59908 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753405AbbESKyh (ORCPT ); Tue, 19 May 2015 06:54:37 -0400 Received: from /spool/local by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 19 May 2015 20:54:35 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 0BA322BB004D for ; Tue, 19 May 2015 20:54:33 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t4JAsOZ817498184 for ; Tue, 19 May 2015 20:54:33 +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 t4JAs07G000905 for ; Tue, 19 May 2015 20:54:00 +1000 From: Wei Yang To: gwshan@linux.vnet.ibm.com, bhelgaas@google.com Cc: linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, Wei Yang Subject: [PATCH V7 05/10] powerpc/powernv: EEH device for VF Date: Tue, 19 May 2015 18:50:07 +0800 Message-Id: <1432032612-21701-6-git-send-email-weiyang@linux.vnet.ibm.com> In-Reply-To: <1432032612-21701-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1431999312-10517-1-git-send-email-weiyang@linux.vnet.ibm.com> <1432032612-21701-1-git-send-email-weiyang@linux.vnet.ibm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: VFs and their corresponding pci_dn instances are created and released dynamically as their PF's SRIOV capability is enabled and disabled. The patch creates and releases EEH devices for VFs when creating and releasing their pci_dn instances, which means EEH devices and pci_dn instances have same life cycle. Also, VF's EEH device is identified by (struct eeh_dev::physfn). [gwshan: changelog and removed CONFIG_PCI_IOV] Signed-off-by: Wei Yang Acked-by: Gavin Shan --- arch/powerpc/include/asm/eeh.h | 1 + arch/powerpc/kernel/pci_dn.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index a52db28..1b3614d 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -138,6 +138,7 @@ struct eeh_dev { struct pci_controller *phb; /* Associated PHB */ struct pci_dn *pdn; /* Associated PCI device node */ struct pci_dev *pdev; /* Associated PCI device */ + struct pci_dev *physfn; /* Associated PF PORT */ struct pci_bus *bus; /* PCI bus for partial hotplug */ }; diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index f771130..f0ddde7 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -180,7 +180,9 @@ static struct pci_dn *add_one_dev_pci_data(struct pci_dn *parent, struct pci_dn *add_dev_pci_data(struct pci_dev *pdev) { #ifdef CONFIG_PCI_IOV + struct pci_controller *hose = pci_bus_to_host(pdev->bus); struct pci_dn *parent, *pdn; + struct eeh_dev *edev; int i; /* Only support IOV for now */ @@ -206,6 +208,9 @@ struct pci_dn *add_dev_pci_data(struct pci_dev *pdev) __func__, i); return NULL; } + eeh_dev_init(pdn, hose); + edev = pdn_to_eeh_dev(pdn); + edev->physfn = pdev; } #endif /* CONFIG_PCI_IOV */ @@ -254,10 +259,17 @@ void remove_dev_pci_data(struct pci_dev *pdev) for (i = 0; i < pci_sriov_get_totalvfs(pdev); i++) { list_for_each_entry_safe(pdn, tmp, &parent->child_list, list) { + struct eeh_dev *edev; if (pdn->busno != pci_iov_virtfn_bus(pdev, i) || pdn->devfn != pci_iov_virtfn_devfn(pdev, i)) continue; + edev = pdn_to_eeh_dev(pdn); + if (edev) { + pdn->edev = NULL; + kfree(edev); + } + if (!list_empty(&pdn->list)) list_del(&pdn->list); -- 1.7.9.5 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp01.au.ibm.com (e23smtp01.au.ibm.com [202.81.31.143]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 66EC61A0CCD for ; Tue, 19 May 2015 20:54:36 +1000 (AEST) Received: from /spool/local by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 19 May 2015 20:54:35 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id C2366357804C for ; Tue, 19 May 2015 20:54:32 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t4JAsOAF15139008 for ; Tue, 19 May 2015 20:54:32 +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 t4JAs07E000905 for ; Tue, 19 May 2015 20:54:00 +1000 From: Wei Yang To: gwshan@linux.vnet.ibm.com, bhelgaas@google.com Subject: [PATCH V7 05/10] powerpc/powernv: EEH device for VF Date: Tue, 19 May 2015 18:50:07 +0800 Message-Id: <1432032612-21701-6-git-send-email-weiyang@linux.vnet.ibm.com> In-Reply-To: <1432032612-21701-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1431999312-10517-1-git-send-email-weiyang@linux.vnet.ibm.com> <1432032612-21701-1-git-send-email-weiyang@linux.vnet.ibm.com> Cc: linux-pci@vger.kernel.org, Wei Yang , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , VFs and their corresponding pci_dn instances are created and released dynamically as their PF's SRIOV capability is enabled and disabled. The patch creates and releases EEH devices for VFs when creating and releasing their pci_dn instances, which means EEH devices and pci_dn instances have same life cycle. Also, VF's EEH device is identified by (struct eeh_dev::physfn). [gwshan: changelog and removed CONFIG_PCI_IOV] Signed-off-by: Wei Yang Acked-by: Gavin Shan --- arch/powerpc/include/asm/eeh.h | 1 + arch/powerpc/kernel/pci_dn.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index a52db28..1b3614d 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -138,6 +138,7 @@ struct eeh_dev { struct pci_controller *phb; /* Associated PHB */ struct pci_dn *pdn; /* Associated PCI device node */ struct pci_dev *pdev; /* Associated PCI device */ + struct pci_dev *physfn; /* Associated PF PORT */ struct pci_bus *bus; /* PCI bus for partial hotplug */ }; diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index f771130..f0ddde7 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -180,7 +180,9 @@ static struct pci_dn *add_one_dev_pci_data(struct pci_dn *parent, struct pci_dn *add_dev_pci_data(struct pci_dev *pdev) { #ifdef CONFIG_PCI_IOV + struct pci_controller *hose = pci_bus_to_host(pdev->bus); struct pci_dn *parent, *pdn; + struct eeh_dev *edev; int i; /* Only support IOV for now */ @@ -206,6 +208,9 @@ struct pci_dn *add_dev_pci_data(struct pci_dev *pdev) __func__, i); return NULL; } + eeh_dev_init(pdn, hose); + edev = pdn_to_eeh_dev(pdn); + edev->physfn = pdev; } #endif /* CONFIG_PCI_IOV */ @@ -254,10 +259,17 @@ void remove_dev_pci_data(struct pci_dev *pdev) for (i = 0; i < pci_sriov_get_totalvfs(pdev); i++) { list_for_each_entry_safe(pdn, tmp, &parent->child_list, list) { + struct eeh_dev *edev; if (pdn->busno != pci_iov_virtfn_bus(pdev, i) || pdn->devfn != pci_iov_virtfn_devfn(pdev, i)) continue; + edev = pdn_to_eeh_dev(pdn); + if (edev) { + pdn->edev = NULL; + kfree(edev); + } + if (!list_empty(&pdn->list)) list_del(&pdn->list); -- 1.7.9.5