From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com ([134.134.136.24]:11043 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751561AbcEQVkC (ORCPT ); Tue, 17 May 2016 17:40:02 -0400 From: Keith Busch To: linux-pci@vger.kernel.org, Bjorn Helgaas , linux-nvme@lists.infradead.org, Jens Axboe , Christoph Hellwig Cc: Keith Busch Subject: [PATCH 2/2] nvme/pci: Enable SR-IOV capabilities Date: Tue, 17 May 2016 15:39:59 -0600 Message-Id: <1463521199-16604-2-git-send-email-keith.busch@intel.com> In-Reply-To: <1463521199-16604-1-git-send-email-keith.busch@intel.com> References: <1463521199-16604-1-git-send-email-keith.busch@intel.com> Sender: linux-pci-owner@vger.kernel.org List-ID: Registers a standard boiler-plate SR-IOV configure callback for NVMe. Signed-off-by: Keith Busch --- drivers/nvme/host/pci.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index fbe8cc2..8379b9a 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2033,6 +2033,18 @@ static void nvme_remove(struct pci_dev *pdev) nvme_put_ctrl(&dev->ctrl); } +static int nvme_sriov_configure(struct pci_dev *pdev, int numvfs) +{ + int ret = 0; + + if (numvfs == 0) + pci_disable_sriov(pdev); + else + ret = pci_enable_sriov(pdev, numvfs); + + return ret ? ret : numvfs; +} + #ifdef CONFIG_PM_SLEEP static int nvme_suspend(struct device *dev) { @@ -2127,6 +2139,7 @@ static struct pci_driver nvme_driver = { .driver = { .pm = &nvme_dev_pm_ops, }, + .sriov_configure = nvme_sriov_configure, .err_handler = &nvme_err_handler, }; -- 2.7.2