> -----Original Message----- > From: linux-pci-owner@xxxxxxxxxxxxxxx [mailto:linux-pci-owner@xxxxxxxxxxxxxxx] > On Behalf Of Yijing Wang > Sent: Saturday, July 26, 2014 8:39 AM > To: linux-kernel@xxxxxxxxxxxxxxx > Cc: Xinwei Hu; Wuyun; Bjorn Helgaas; linux-pci@xxxxxxxxxxxxxxx; > Paul.Mundt@xxxxxxxxxx; James E.J. Bottomley; Marc Zyngier; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx; Russell King; linux-arch@xxxxxxxxxxxxxxx; Basu > Arnab-B45036; virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx; Hanjun Guo; Yijing Wang > Subject: [RFC PATCH 03/11] PCI/MSI: Refactor pci_dev_msi_enabled() > > 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. s/support/support >From code it looks like you added one more parameter to pci_dev_msi_enabled() to check for a specific type, which earlier it was checking for both MSI and MSIX enable. While the description is not clear to me, Am I missing something ? Thanks -Bharat > > Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx> > --- > 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 <linux/pci_ids.h> > > +#include <linux/msi.h> > /* > * 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; > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body > of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
