From patchwork Sat Jul 26 03:08:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 4626591 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F24239F36A for ; Sat, 26 Jul 2014 02:49:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6423B2020F for ; Sat, 26 Jul 2014 02:49:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AE06D20211 for ; Sat, 26 Jul 2014 02:49:15 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XAs0A-0002pb-19; Sat, 26 Jul 2014 02:46:26 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XArzL-0001IN-NX for linux-arm-kernel@lists.infradead.org; Sat, 26 Jul 2014 02:45:40 +0000 Received: from 172.24.2.119 (EHLO szxeml419-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BXE25877; Sat, 26 Jul 2014 10:43:41 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml419-hub.china.huawei.com (10.82.67.158) with Microsoft SMTP Server id 14.3.158.1; Sat, 26 Jul 2014 10:43:30 +0800 From: Yijing Wang To: Subject: [RFC PATCH 03/11] PCI/MSI: Refactor pci_dev_msi_enabled() Date: Sat, 26 Jul 2014 11:08:40 +0800 Message-ID: <1406344128-27055-4-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1406344128-27055-1-git-send-email-wangyijing@huawei.com> References: <1406344128-27055-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140725_194536_586103_23967C15 X-CRM114-Status: GOOD ( 17.50 ) X-Spam-Score: -0.7 (/) Cc: linux-arch@vger.kernel.org, Russell King , Paul.Mundt@huawei.com, Marc Zyngier , linux-pci@vger.kernel.org, "James E.J. Bottomley" , virtualization@lists.linux-foundation.org, Xinwei Hu , Yijing Wang , Hanjun Guo , Bjorn Helgaas , Wuyun , arnab.basu@freescale.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 Pci_dev_msi_enabled() is used to check whether device MSI/MSIX enabled. Refactor this function to suuport checking only device MSI or MSIX enabled. Signed-off-by: Yijing Wang --- arch/cris/arch-v32/drivers/pci/bios.c | 2 +- arch/frv/mb93090-mb00/pci-vdk.c | 2 +- arch/ia64/pci/pci.c | 4 ++-- arch/powerpc/kernel/eeh_driver.c | 2 +- arch/x86/pci/common.c | 5 +++-- drivers/block/nvme-core.c | 4 ++-- drivers/dma/ioat/dma.c | 2 +- drivers/firewire/ohci.c | 2 +- drivers/gpu/drm/i915/i915_dma.c | 4 ++-- drivers/misc/mei/hw-me.c | 2 +- drivers/misc/mei/hw-txe.c | 2 +- drivers/misc/mei/pci-me.c | 4 ++-- drivers/misc/mei/pci-txe.c | 4 ++-- drivers/misc/mic/host/mic_debugfs.c | 4 ++-- drivers/misc/mic/host/mic_intr.c | 8 ++++---- drivers/ntb/ntb_hw.c | 2 +- drivers/pci/irq.c | 4 ++-- drivers/pci/msi.c | 15 +++++++++------ drivers/pci/pci.c | 6 +++--- drivers/pci/pcie/portdrv_core.c | 4 ++-- drivers/scsi/esas2r/esas2r_init.c | 4 ++-- drivers/scsi/esas2r/esas2r_ioctl.c | 4 ++-- drivers/scsi/hpsa.c | 4 ++-- drivers/staging/crystalhd/crystalhd_lnx.c | 2 +- drivers/xen/xen-pciback/pciback_ops.c | 12 ++++++------ include/linux/pci.h | 12 ++++++++++-- virt/kvm/assigned-dev.c | 2 +- 27 files changed, 67 insertions(+), 55 deletions(-) diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c index 64a5fb9..d9d8332 100644 --- a/arch/cris/arch-v32/drivers/pci/bios.c +++ b/arch/cris/arch-v32/drivers/pci/bios.c @@ -93,7 +93,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) if ((err = pcibios_enable_resources(dev, mask)) < 0) return err; - if (!dev->msi_enabled) + if (!pci_dev_msi_enabled(dev, MSI_TYPE)) pcibios_enable_irq(dev); return 0; } diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index efa5d65..b96c128 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -409,7 +409,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) if ((err = pci_enable_resources(dev, mask)) < 0) return err; - if (!dev->msi_enabled) + if (!pci_dev_msi_enabled(dev, MSI_TYPE)) pcibios_enable_irq(dev); return 0; } diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 291a582..da8ddff 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -568,7 +568,7 @@ pcibios_enable_device (struct pci_dev *dev, int mask) if (ret < 0) return ret; - if (!dev->msi_enabled) + if (!pci_dev_msi_enabled(dev, MSI_TYPE)) return acpi_pci_irq_enable(dev); return 0; } @@ -577,7 +577,7 @@ void pcibios_disable_device (struct pci_dev *dev) { BUG_ON(atomic_read(&dev->enable_cnt)); - if (!dev->msi_enabled) + if (!pci_dev_msi_enabled(dev, MSI_TYPE)) acpi_pci_irq_disable(dev); } diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 420da61..e3f2074 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -123,7 +123,7 @@ static void eeh_disable_irq(struct pci_dev *dev) * effectively disabled by the DMA Stopped state * when an EEH error occurs. */ - if (dev->msi_enabled || dev->msix_enabled) + if (pci_dev_msi_enabled(dev, MSI_TYPE | MSIX_TYPE)) return; if (!irq_has_action(dev->irq)) diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 059a76c..4597940 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -662,14 +662,15 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) if ((err = pci_enable_resources(dev, mask)) < 0) return err; - if (!pci_dev_msi_enabled(dev)) + if (!pci_dev_msi_enabled(dev, MSI_TYPE | MSIX_TYPE)) return pcibios_enable_irq(dev); return 0; } void pcibios_disable_device (struct pci_dev *dev) { - if (!pci_dev_msi_enabled(dev) && pcibios_disable_irq) + if (!pci_dev_msi_enabled(dev, MSI_TYPE | MSIX_TYPE) + && pcibios_disable_irq) pcibios_disable_irq(dev); } diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 02351e2..f96b90f 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -2325,9 +2325,9 @@ static int nvme_dev_map(struct nvme_dev *dev) static void nvme_dev_unmap(struct nvme_dev *dev) { - if (dev->pci_dev->msi_enabled) + if (pci_dev_msi_enabled(dev->pci_dev, MSI_TYPE)) pci_disable_msi(dev->pci_dev); - else if (dev->pci_dev->msix_enabled) + else if (pci_dev_msi_enabled(dev->pci_dev, MSIX_TYPE)) pci_disable_msix(dev->pci_dev); if (dev->bar) { diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 4e3549a..a11dac1 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -1088,7 +1088,7 @@ static void ioat1_intr_quirk(struct ioatdma_device *device) u32 dmactrl; pci_read_config_dword(pdev, IOAT_PCI_DMACTRL_OFFSET, &dmactrl); - if (pdev->msi_enabled) + if (pci_dev_msi_enabled(pdev, MSI_TYPE)) dmactrl |= IOAT_PCI_DMACTRL_MSI_EN; else dmactrl &= ~IOAT_PCI_DMACTRL_MSI_EN; diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 5798541..ec0a794 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3705,7 +3705,7 @@ static int pci_probe(struct pci_dev *dev, if (!(ohci->quirks & QUIRK_NO_MSI)) pci_enable_msi(dev); if (request_irq(dev->irq, irq_handler, - pci_dev_msi_enabled(dev) ? 0 : IRQF_SHARED, + pci_dev_msi_enabled(dev, MSI_TYPE | MSIX_TYPE) ? 0 : IRQF_SHARED, ohci_driver_name, ohci)) { ohci_err(ohci, "failed to allocate interrupt %d\n", dev->irq); err = -EIO; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 4c22a5b..0c248fe 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1745,7 +1745,7 @@ out_gem_unload: WARN_ON(unregister_oom_notifier(&dev_priv->mm.oom_notifier)); unregister_shrinker(&dev_priv->mm.shrinker); - if (dev->pdev->msi_enabled) + if (pci_dev_msi_enabled(dev->pdev, MSI_TYPE)) pci_disable_msi(dev->pdev); intel_teardown_gmbus(dev); @@ -1826,7 +1826,7 @@ int i915_driver_unload(struct drm_device *dev) cancel_work_sync(&dev_priv->gpu_error.work); i915_destroy_error_state(dev); - if (dev->pdev->msi_enabled) + if (pci_dev_msi_enabled(dev->pdev, MSI_TYPE)) pci_disable_msi(dev->pdev); intel_opregion_fini(dev); diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 6a2d272..d7595d4 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -647,7 +647,7 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) /* Ack the interrupt here * In case of MSI we don't go through the quick handler */ - if (pci_dev_msi_enabled(dev->pdev)) + if (pci_dev_msi_enabled(dev->pdev, MSI_TYPE | MSIX_TYPE)) mei_clear_interrupts(dev); /* check if ME wants a reset */ diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index 9327378..8c2d95c 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -951,7 +951,7 @@ irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id) mutex_lock(&dev->device_lock); mei_io_list_init(&complete_list); - if (pci_dev_msi_enabled(dev->pdev)) + if (pci_dev_msi_enabled(dev->pdev, MSI_TYPE | MSIX_TYPE)) mei_txe_check_and_ack_intrs(dev, true); /* show irq events */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 1b46c64..283fc09 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -181,7 +181,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_enable_msi(pdev); /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) err = request_threaded_irq(pdev->irq, NULL, mei_me_irq_thread_handler, @@ -329,7 +329,7 @@ static int mei_me_pci_resume(struct device *device) pci_enable_msi(pdev); /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) err = request_threaded_irq(pdev->irq, NULL, mei_me_irq_thread_handler, diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c index 2343c62..a3bf202 100644 --- a/drivers/misc/mei/pci-txe.c +++ b/drivers/misc/mei/pci-txe.c @@ -124,7 +124,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) mei_clear_interrupts(dev); /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) err = request_threaded_irq(pdev->irq, NULL, mei_txe_irq_thread_handler, @@ -272,7 +272,7 @@ static int mei_txe_pci_resume(struct device *device) mei_clear_interrupts(dev); /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) err = request_threaded_irq(pdev->irq, NULL, mei_txe_irq_thread_handler, diff --git a/drivers/misc/mic/host/mic_debugfs.c b/drivers/misc/mic/host/mic_debugfs.c index 028ba5d..6e1a553 100644 --- a/drivers/misc/mic/host/mic_debugfs.c +++ b/drivers/misc/mic/host/mic_debugfs.c @@ -376,9 +376,9 @@ static int mic_msi_irq_info_show(struct seq_file *s, void *pos) struct pci_dev *pdev = container_of(mdev->sdev->parent, struct pci_dev, dev); - if (pci_dev_msi_enabled(pdev)) { + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) { for (i = 0; i < mdev->irq_info.num_vectors; i++) { - if (pdev->msix_enabled) { + if (pci_dev_msi_enabled(pdev, MSIX_TYPE)) { entry = mdev->irq_info.msix_entries[i].entry; vector = mdev->irq_info.msix_entries[i].vector; } else { diff --git a/drivers/misc/mic/host/mic_intr.c b/drivers/misc/mic/host/mic_intr.c index dbc5afd..9eab900 100644 --- a/drivers/misc/mic/host/mic_intr.c +++ b/drivers/misc/mic/host/mic_intr.c @@ -468,7 +468,7 @@ struct mic_irq *mic_request_irq(struct mic_device *mdev, } entry = 0; - if (pci_dev_msi_enabled(pdev)) { + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) { mdev->irq_info.mic_msi_map[entry] |= (1 << offset); mdev->intr_ops->program_msi_to_src_map(mdev, entry, offset, true); @@ -526,7 +526,7 @@ void mic_free_irq(struct mic_device *mdev, dev_warn(mdev->sdev->parent, "Error unregistering callback\n"); return; } - if (pci_dev_msi_enabled(pdev)) { + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) { mdev->irq_info.mic_msi_map[entry] &= ~(BIT(src_id)); mdev->intr_ops->program_msi_to_src_map(mdev, entry, src_id, false); @@ -589,7 +589,7 @@ void mic_free_interrupts(struct mic_device *mdev, struct pci_dev *pdev) kfree(mdev->irq_info.msix_entries); pci_disable_msix(pdev); } else { - if (pci_dev_msi_enabled(pdev)) { + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) { free_irq(pdev->irq, mdev); kfree(mdev->irq_info.mic_msi_map); pci_disable_msi(pdev); @@ -617,7 +617,7 @@ void mic_intr_restore(struct mic_device *mdev) struct pci_dev *pdev = container_of(mdev->sdev->parent, struct pci_dev, dev); - if (!pci_dev_msi_enabled(pdev)) + if (!pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) return; for (entry = 0; entry < mdev->irq_info.num_vectors; entry++) { diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c index 372e08c..868f685 100644 --- a/drivers/ntb/ntb_hw.c +++ b/drivers/ntb/ntb_hw.c @@ -1306,7 +1306,7 @@ static void ntb_free_interrupts(struct ntb_device *ndev) } else { free_irq(pdev->irq, ndev); - if (pci_dev_msi_enabled(pdev)) + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) pci_disable_msi(pdev); } } diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c index 6684f15..e3e3293 100644 --- a/drivers/pci/irq.c +++ b/drivers/pci/irq.c @@ -36,10 +36,10 @@ static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason) */ enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *pdev) { - if (pdev->msi_enabled || pdev->msix_enabled) { + if (pci_dev_msi_enabled(pdev, MSI_TYPE | MSIX_TYPE)) { enum pci_lost_interrupt_reason ret; - if (pdev->msix_enabled) { + if (pci_dev_msi_enabled(pdev, MSIX_TYPE)) { pci_note_irq_problem(pdev, "MSIX routing failure"); ret = PCI_LOST_IRQ_DISABLE_MSIX; } else { diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index e416dc0..d5c8e56 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -125,7 +125,7 @@ static void default_restore_msi_irq(struct pci_dev *dev, int irq) if (irq == entry->irq) break; } - } else if (dev->msi_enabled) { + } else if (pci_dev_msi_enabled(dev, MSI_TYPE)) { entry = irq_get_msi_desc(irq); } @@ -439,7 +439,7 @@ static void __pci_restore_msi_state(struct pci_dev *dev) u16 control; struct msi_desc *entry; - if (!dev->msi_enabled) + if (!pci_dev_msi_enabled(dev, MSI_TYPE)) return; entry = irq_get_msi_desc(dev->irq); @@ -878,7 +878,8 @@ void pci_msi_shutdown(struct pci_dev *dev) struct msi_desc *desc; u32 mask; - if (!pci_msi_enable || !dev || !dev->msi_enabled) + if (!pci_msi_enable || !dev || + !pci_dev_msi_enabled(dev, MSI_TYPE)) return; BUG_ON(list_empty(&dev->msi_list)); @@ -899,7 +900,8 @@ void pci_msi_shutdown(struct pci_dev *dev) void pci_disable_msi(struct pci_dev *dev) { - if (!pci_msi_enable || !dev || !dev->msi_enabled) + if (!pci_msi_enable || !dev || + !pci_dev_msi_enabled(dev, MSI_TYPE)) return; pci_msi_shutdown(dev); @@ -972,7 +974,7 @@ int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec) WARN_ON(!!dev->msix_enabled); /* Check whether driver already requested for MSI irq */ - if (dev->msi_enabled) { + if (pci_dev_msi_enabled(dev, MSI_TYPE)) { dev_info(&dev->dev, "can't enable MSI-X (MSI IRQ already assigned)\n"); return -EINVAL; } @@ -1001,7 +1003,8 @@ void pci_msix_shutdown(struct pci_dev *dev) void pci_disable_msix(struct pci_dev *dev) { - if (!pci_msi_enable || !dev || !dev->msix_enabled) + if (!pci_msi_enable || !dev || + !pci_dev_msi_enabled(dev, MSIX_TYPE)) return; pci_msix_shutdown(dev); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 74043a2..6e9e7bd 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1206,7 +1206,7 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars) return err; pci_fixup_device(pci_fixup_enable, dev); - if (dev->msi_enabled || dev->msix_enabled) + if (pci_dev_msi_enabled(dev, MSI_TYPE | MSIX_TYPE)) return 0; pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); @@ -1361,9 +1361,9 @@ static void pcim_release(struct device *gendev, void *res) struct pci_devres *this = res; int i; - if (dev->msi_enabled) + if (pci_dev_msi_enabled(dev, MSI_TYPE)) pci_disable_msi(dev); - if (dev->msix_enabled) + if (pci_dev_msi_enabled(dev, MSIX_TYPE)) pci_disable_msix(dev); for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 2f0ce66..7a1b6ec 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -235,9 +235,9 @@ static int init_service_irqs(struct pci_dev *dev, int *irqs, int mask) static void cleanup_service_irqs(struct pci_dev *dev) { - if (dev->msix_enabled) + if (pci_dev_msi_enabled(dev, MSIX_TYPE)) pci_disable_msix(dev); - else if (dev->msi_enabled) + else if (pci_dev_msi_enabled(dev, MSI_TYPE)) pci_disable_msi(dev); } diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c index 6776931..444f64d 100644 --- a/drivers/scsi/esas2r/esas2r_init.c +++ b/drivers/scsi/esas2r/esas2r_init.c @@ -617,8 +617,8 @@ void esas2r_kill_adapter(int i) &(a->pcid->dev), "pci_disable_device() called. msix_enabled: %d " "msi_enabled: %d irq: %d pin: %d", - a->pcid->msix_enabled, - a->pcid->msi_enabled, + pci_dev_msi_enabled(a->pcid, MSIX_TYPE), + pci_dev_msi_enabled(a->pcid, MSI_TYPE), a->pcid->irq, a->pcid->pin); diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c index d89a027..31e06bd 100644 --- a/drivers/scsi/esas2r/esas2r_ioctl.c +++ b/drivers/scsi/esas2r/esas2r_ioctl.c @@ -810,9 +810,9 @@ static int hba_ioctl_callback(struct esas2r_adapter *a, gai->pci.msi_vector_cnt = 1; - if (a->pcid->msix_enabled) + if (pci_dev_msi_enabled(a->pcid, MSIX_TYPE)) gai->pci.interrupt_mode = ATTO_GAI_PCIIM_MSIX; - else if (a->pcid->msi_enabled) + else if (pci_dev_msi_enabled(a->pcid, MSI_TYPE)) gai->pci.interrupt_mode = ATTO_GAI_PCIIM_MSI; else gai->pci.interrupt_mode = ATTO_GAI_PCIIM_LEGACY; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 31184b3..964d809 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6707,10 +6707,10 @@ static void hpsa_free_irqs_and_disable_msix(struct ctlr_info *h) free_irqs(h); #ifdef CONFIG_PCI_MSI if (h->msix_vector) { - if (h->pdev->msix_enabled) + if (pci_dev_msi_enabled(h->pdev, MSIX_TYPE)) pci_disable_msix(h->pdev); } else if (h->msi_vector) { - if (h->pdev->msi_enabled) + if (pci_dev_msi_enabled(h->pdev, MSI_TYPE)) pci_disable_msi(h->pdev); } #endif /* CONFIG_PCI_MSI */ diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c index e6fb331..9459b42 100644 --- a/drivers/staging/crystalhd/crystalhd_lnx.c +++ b/drivers/staging/crystalhd/crystalhd_lnx.c @@ -45,7 +45,7 @@ static int chd_dec_enable_int(struct crystalhd_adp *adp) return -EINVAL; } - if (adp->pdev->msi_enabled) + if (pci_msi_dev_enabled(adp->pdev, MSI_TYPE)) adp->msi = 1; else adp->msi = pci_enable_msi(adp->pdev); diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index c4a0666..fee2f19 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -64,8 +64,8 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset) dev_data->irq_name, dev_data->irq, pci_is_enabled(dev) ? "on" : "off", - dev->msi_enabled ? "MSI" : "", - dev->msix_enabled ? "MSI/X" : "", + pci_dev_msi_enabled(dev, MSI_TYPE) ? "MSI" : "", + pci_dev_msi_enabled(dev, MSIX_TYPE) ? "MSI/X" : "", dev_data->isr_on ? "enable" : "disable", enable ? "enable" : "disable"); @@ -90,8 +90,8 @@ out: dev_data->irq_name, dev_data->irq, pci_is_enabled(dev) ? "on" : "off", - dev->msi_enabled ? "MSI" : "", - dev->msix_enabled ? "MSI/X" : "", + pci_dev_msi_enabled(dev, MSI_TYPE) ? "MSI" : "", + pci_dev_msi_enabled(dev, MSIX_TYPE) ? "MSI/X" : "", enable ? (dev_data->isr_on ? "enabled" : "failed to enable") : (dev_data->isr_on ? "failed to disable" : "disabled")); } @@ -111,9 +111,9 @@ void xen_pcibk_reset_device(struct pci_dev *dev) #ifdef CONFIG_PCI_MSI /* The guest could have been abruptly killed without * disabling MSI/MSI-X interrupts.*/ - if (dev->msix_enabled) + if (pci_dev_msi_enabled(dev, MSIX_TYPE)) pci_disable_msix(dev); - if (dev->msi_enabled) + if (pci_dev_msi_enabled(dev, MSI_TYPE)) pci_disable_msi(dev); #endif if (pci_is_enabled(dev)) diff --git a/include/linux/pci.h b/include/linux/pci.h index 6ed3647..c6c01ae 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -33,6 +33,7 @@ #include +#include /* * The PCI interface treats multi-function devices as independent * devices. The slot/function address of each device is encoded @@ -506,9 +507,16 @@ static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev) } #ifdef CONFIG_PCI_MSI -static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) +static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev, int type) { - return pci_dev->msi_enabled || pci_dev->msix_enabled; + bool enabled = 0; + + if (type & MSI_TYPE) + enabled |= pci_dev->msi_enabled; + if (type & MSIX_TYPE) + enabled |= pci_dev->msix_enabled; + + return enabled; } #else static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; } diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index bf06577..4634bd0 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -366,7 +366,7 @@ static int assigned_device_enable_host_msi(struct kvm *kvm, { int r; - if (!dev->dev->msi_enabled) { + if (!pci_dev_msi_enabled(dev->dev, MSI_TYPE)) { r = pci_enable_msi(dev->dev); if (r) return r;