diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2020-08-26 13:16:46 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-09-16 16:52:35 +0200 |
| commit | 3b9c1d377d67072d1d8a2373b4969103cca00dab (patch) | |
| tree | bf9aa6dbe439906e75149bc7ccf30938a6771fc2 /drivers | |
| parent | dfb9eb7cf6cd0c0b0f2a1111fcc47b0a297b097d (diff) | |
| download | linux-3b9c1d377d67072d1d8a2373b4969103cca00dab.tar.bz2 | |
x86/msi: Consolidate MSI allocation
Convert the interrupt remap drivers to retrieve the pci device from the msi
descriptor and use info::hwirq.
This is the first step to prepare x86 for using the generic MSI domain ops.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200826112332.466405395@linutronix.de
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/amd/iommu.c | 5 | ||||
| -rw-r--r-- | drivers/iommu/intel/irq_remapping.c | 4 | ||||
| -rw-r--r-- | drivers/pci/controller/pci-hyperv.c | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 8183a7102b92..bc7bb4ccff1f 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3528,7 +3528,7 @@ static int get_devid(struct irq_alloc_info *info) return get_hpet_devid(info->devid); case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: - return get_device_id(&info->msi_dev->dev); + return get_device_id(msi_desc_to_dev(info->desc)); default: WARN_ON_ONCE(1); return -1; @@ -3702,7 +3702,8 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq, info->type == X86_IRQ_ALLOC_TYPE_PCI_MSIX) { bool align = (info->type == X86_IRQ_ALLOC_TYPE_PCI_MSI); - index = alloc_irq_index(devid, nr_irqs, align, info->msi_dev); + index = alloc_irq_index(devid, nr_irqs, align, + msi_desc_to_pci_dev(info->desc)); } else { index = alloc_irq_index(devid, nr_irqs, false, NULL); } diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 90ba70d66975..d9db2f37b831 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1124,7 +1124,7 @@ static struct irq_domain *intel_get_irq_domain(struct irq_alloc_info *info) return map_hpet_to_ir(info->devid); case X86_IRQ_ALLOC_TYPE_PCI_MSI: case X86_IRQ_ALLOC_TYPE_PCI_MSIX: - return map_dev_to_ir(info->msi_dev); + return map_dev_to_ir(msi_desc_to_pci_dev(info->desc)); default: WARN_ON_ONCE(1); return NULL; @@ -1293,7 +1293,7 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, if (info->type == X86_IRQ_ALLOC_TYPE_HPET) set_hpet_sid(irte, info->devid); else - set_msi_sid(irte, info->msi_dev); + set_msi_sid(irte, msi_desc_to_pci_dev(info->desc)); msg->address_hi = MSI_ADDR_BASE_HI; msg->data = sub_handle; diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index fc4c3a15e570..f6cc49ba6e80 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -1534,7 +1534,7 @@ static struct irq_chip hv_msi_irq_chip = { static irq_hw_number_t hv_msi_domain_ops_get_hwirq(struct msi_domain_info *info, msi_alloc_info_t *arg) { - return arg->msi_hwirq; + return arg->hwirq; } static struct msi_domain_ops hv_msi_ops = { |