diff options
Diffstat (limited to 'drivers/iommu/irq_remapping.c')
| -rw-r--r-- | drivers/iommu/irq_remapping.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index ebd02bf98062..75afdf43317c 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -1,3 +1,4 @@ +#include <linux/seq_file.h> #include <linux/cpumask.h> #include <linux/kernel.h> #include <linux/string.h> @@ -327,3 +328,27 @@ void panic_if_irq_remap(const char *msg) if (irq_remapping_enabled) panic(msg); } + +static void ir_ack_apic_edge(struct irq_data *data) +{ + ack_APIC_irq(); +} + +static void ir_ack_apic_level(struct irq_data *data) +{ + ack_APIC_irq(); + eoi_ioapic_irq(data->irq, data->chip_data); +} + +static void ir_print_prefix(struct irq_data *data, struct seq_file *p) +{ + seq_printf(p, " IR-%s", data->chip->name); +} + +void irq_remap_modify_chip_defaults(struct irq_chip *chip) +{ + chip->irq_print_chip = ir_print_prefix; + chip->irq_ack = ir_ack_apic_edge; + chip->irq_eoi = ir_ack_apic_level; + chip->irq_set_affinity = x86_io_apic_ops.set_affinity; +} |