From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp02.in.ibm.com ([122.248.162.2]:54005 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752643AbbFRIGz (ORCPT ); Thu, 18 Jun 2015 04:06:55 -0400 Received: from /spool/local by e28smtp02.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 18 Jun 2015 13:36:53 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 20D5AE0059 for ; Thu, 18 Jun 2015 13:40:21 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay03.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t5I86oCD43515996 for ; Thu, 18 Jun 2015 13:36:50 +0530 Received: from d28av04.in.ibm.com (localhost [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t5I86nva027084 for ; Thu, 18 Jun 2015 13:36:49 +0530 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 V8 01/10] PCI/IOV: Rename and export virtfn_add/virtfn_remove Date: Thu, 18 Jun 2015 16:06:36 +0800 Message-Id: <1434614805-19002-2-git-send-email-weiyang@linux.vnet.ibm.com> In-Reply-To: <1434614805-19002-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1434614805-19002-1-git-send-email-weiyang@linux.vnet.ibm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: During EEH recovery, hotplug is applied to the devices which don't have drivers or their drivers don't support EEH. However, the hotplug, which was implemented based on PCI bus, can't be applied to VF directly. The patch renames virtn_{add,remove}() and exports them so that they can be used in PCI hotplug during EEH recovery. [gwshan: changelog] Signed-off-by: Wei Yang Reviewed-by: Gavin Shan Acked-by: Bjorn Helgaas --- drivers/pci/iov.c | 10 +++++----- include/linux/pci.h | 8 ++++++++ 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index ee0ebff..cc941dd 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -108,7 +108,7 @@ resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno) return dev->sriov->barsz[resno - PCI_IOV_RESOURCES]; } -static int virtfn_add(struct pci_dev *dev, int id, int reset) +int pci_iov_virtfn_add(struct pci_dev *dev, int id, int reset) { int i; int rc = -ENOMEM; @@ -183,7 +183,7 @@ failed: return rc; } -static void virtfn_remove(struct pci_dev *dev, int id, int reset) +void pci_iov_virtfn_remove(struct pci_dev *dev, int id, int reset) { char buf[VIRTFN_ID_LEN]; struct pci_dev *virtfn; @@ -320,7 +320,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) } for (i = 0; i < initial; i++) { - rc = virtfn_add(dev, i, 0); + rc = pci_iov_virtfn_add(dev, i, 0); if (rc) goto failed; } @@ -332,7 +332,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn) failed: for (j = 0; j < i; j++) - virtfn_remove(dev, j, 0); + pci_iov_virtfn_remove(dev, j, 0); iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE); pci_cfg_access_lock(dev); @@ -361,7 +361,7 @@ static void sriov_disable(struct pci_dev *dev) return; for (i = 0; i < iov->num_VFs; i++) - virtfn_remove(dev, i, 0); + pci_iov_virtfn_remove(dev, i, 0); pcibios_sriov_disable(dev); diff --git a/include/linux/pci.h b/include/linux/pci.h index 353db8d..06aa5dd 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1679,6 +1679,8 @@ int pci_iov_virtfn_devfn(struct pci_dev *dev, int id); int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn); void pci_disable_sriov(struct pci_dev *dev); +int pci_iov_virtfn_add(struct pci_dev *dev, int id, int reset); +void pci_iov_virtfn_remove(struct pci_dev *dev, int id, int reset); int pci_num_vf(struct pci_dev *dev); int pci_vfs_assigned(struct pci_dev *dev); int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs); @@ -1696,6 +1698,12 @@ static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id) static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) { return -ENODEV; } static inline void pci_disable_sriov(struct pci_dev *dev) { } +static inline int pci_iov_virtfn_add(struct pci_dev *dev, int id, int reset) +{ + return -ENOSYS; +} +static inline void pci_iov_virtfn_remove(struct pci_dev *dev, int id, int reset) +{ } static inline int pci_num_vf(struct pci_dev *dev) { return 0; } static inline int pci_vfs_assigned(struct pci_dev *dev) { return 0; } -- 1.7.9.5