MFC r329372:

Implement enable_irq() and disable_irq() in the LinuxKPI.

Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies

1 files changed, 32 insertions, 0 deletions

diff --git a/sys/compat/linuxkpi/common/include/linux/interrupt.h b/sys/compat/linuxkpi/common/include/linux/interrupt.h
index 6f7b96d..e9bae51 100644
--- a/sys/compat/linuxkpi/common/include/linux/interrupt.h
+++ b/sys/compat/linuxkpi/common/include/linux/interrupt.h
@@ -112,6 +112,38 @@ request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
 }
 
 static inline int
+enable_irq(unsigned int irq)
+{
+	struct irq_ent *irqe;
+	struct device *dev;
+
+	dev = linux_pci_find_irq_dev(irq);
+	if (dev == NULL)
+		return -EINVAL;
+	irqe = linux_irq_ent(dev, irq);
+	if (irqe == NULL)
+		return -EINVAL;
+	return -bus_setup_intr(dev->bsddev, irqe->res, INTR_TYPE_NET | INTR_MPSAFE,
+	    NULL, linux_irq_handler, irqe, &irqe->tag);
+}
+
+static inline void
+disable_irq(unsigned int irq)
+{
+	struct irq_ent *irqe;
+	struct device *dev;
+
+	dev = linux_pci_find_irq_dev(irq);
+	if (dev == NULL)
+		return;
+	irqe = linux_irq_ent(dev, irq);
+	if (irqe == NULL)
+		return;
+	bus_teardown_intr(dev->bsddev, irqe->res, irqe->tag);
+	irqe->tag = NULL;
+}
+
+static inline int
 bind_irq_to_cpu(unsigned int irq, int cpu_id)
 {
 	struct irq_ent *irqe;