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Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index def2b2aac8b1..d6160d479b14 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -442,6 +442,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
* @irq_set_vcpu_affinity: optional to target a vCPU in a virtual machine
* @ipi_send_single: send a single IPI to destination cpus
* @ipi_send_mask: send an IPI to destination cpus in cpumask
+ * @irq_nmi_setup: function called from core code before enabling an NMI
+ * @irq_nmi_teardown: function called from core code after disabling an NMI
* @flags: chip specific flags
*/
struct irq_chip {
@@ -490,6 +492,9 @@ struct irq_chip {
void (*ipi_send_single)(struct irq_data *data, unsigned int cpu);
void (*ipi_send_mask)(struct irq_data *data, const struct cpumask *dest);
+ int (*irq_nmi_setup)(struct irq_data *data);
+ void (*irq_nmi_teardown)(struct irq_data *data);
+
unsigned long flags;
};
@@ -505,6 +510,7 @@ struct irq_chip {
* IRQCHIP_ONESHOT_SAFE: One shot does not require mask/unmask
* IRQCHIP_EOI_THREADED: Chip requires eoi() on unmask in threaded mode
* IRQCHIP_SUPPORTS_LEVEL_MSI Chip can provide two doorbells for Level MSIs
+ * IRQCHIP_SUPPORTS_NMI: Chip can deliver NMIs, only for root irqchips
*/
enum {
IRQCHIP_SET_TYPE_MASKED = (1 << 0),
@@ -515,6 +521,7 @@ enum {
IRQCHIP_ONESHOT_SAFE = (1 << 5),
IRQCHIP_EOI_THREADED = (1 << 6),
IRQCHIP_SUPPORTS_LEVEL_MSI = (1 << 7),
+ IRQCHIP_SUPPORTS_NMI = (1 << 8),
};
#include <linux/irqdesc.h>
@@ -594,6 +601,9 @@ extern void handle_percpu_devid_irq(struct irq_desc *desc);
extern void handle_bad_irq(struct irq_desc *desc);
extern void handle_nested_irq(unsigned int irq);
+extern void handle_fasteoi_nmi(struct irq_desc *desc);
+extern void handle_percpu_devid_fasteoi_nmi(struct irq_desc *desc);
+
extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
extern int irq_chip_pm_get(struct irq_data *data);
extern int irq_chip_pm_put(struct irq_data *data);
@@ -605,6 +615,7 @@ extern void irq_chip_disable_parent(struct irq_data *data);
extern void irq_chip_ack_parent(struct irq_data *data);
extern int irq_chip_retrigger_hierarchy(struct irq_data *data);
extern void irq_chip_mask_parent(struct irq_data *data);
+extern void irq_chip_mask_ack_parent(struct irq_data *data);
extern void irq_chip_unmask_parent(struct irq_data *data);
extern void irq_chip_eoi_parent(struct irq_data *data);
extern int irq_chip_set_affinity_parent(struct irq_data *data,