diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 11 |
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, |