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diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
--- a/sys/compat/linuxkpi/common/include/linux/pci.h
+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
@@ -186,6 +186,10 @@
#define PCI_EXT_CAP_ID_ERR PCIZ_AER
+#define PCI_IRQ_LEGACY 0x01
+#define PCI_IRQ_MSI 0x02
+#define PCI_IRQ_MSIX 0x04
+
struct pci_dev;
struct pci_driver {
@@ -221,6 +225,25 @@
#define __devexit_p(x) x
+#define module_pci_driver(_driver) \
+ \
+static inline int \
+_pci_init(void) \
+{ \
+ \
+ return (linux_pci_register_driver(&_driver)); \
+} \
+ \
+static inline void \
+_pci_exit(void) \
+{ \
+ \
+ linux_pci_unregister_driver(&_driver); \
+} \
+ \
+module_init(_pci_init); \
+module_exit(_pci_exit)
+
/*
* If we find drivers accessing this from multiple KPIs we may have to
* refcount objects of this structure.
@@ -817,6 +840,42 @@
return (0);
}
+static inline int
+pci_alloc_irq_vectors(struct pci_dev *pdev, int minv, int maxv,
+ unsigned int flags)
+{
+ int error;
+
+ if (flags & PCI_IRQ_MSIX) {
+ struct msix_entry *entries;
+ int i;
+
+ entries = kcalloc(maxv, sizeof(*entries), GFP_KERNEL);
+ if (entries == NULL) {
+ error = -ENOMEM;
+ goto out;
+ }
+ for (i = 0; i < maxv; ++i)
+ entries[i].entry = i;
+ error = pci_enable_msix(pdev, entries, maxv);
+out:
+ kfree(entries);
+ if (error == 0 && pdev->msix_enabled)
+ return (pdev->dev.irq_end - pdev->dev.irq_start);
+ }
+ if (flags & PCI_IRQ_MSI) {
+ error = pci_enable_msi(pdev);
+ if (error == 0 && pdev->msi_enabled)
+ return (pdev->dev.irq_end - pdev->dev.irq_start);
+ }
+ if (flags & PCI_IRQ_LEGACY) {
+ if (pdev->irq)
+ return (1);
+ }
+
+ return (-EINVAL);
+}
+
static inline int
pci_channel_offline(struct pci_dev *pdev)
{

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