Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 201de12..fb301cf 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -27,6 +27,7 @@
struct seq_file;
struct module;
struct msi_msg;
+struct irq_affinity_desc;
enum irqchip_irq_state;
/*
@@ -194,7 +195,7 @@
* IRQD_LEVEL - Interrupt is level triggered
* IRQD_WAKEUP_STATE - Interrupt is configured for wakeup
* from suspend
- * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process
+ * IRQD_MOVE_PCNTXT - Interrupt can be moved in process
* context
* IRQD_IRQ_DISABLED - Disabled state of the interrupt
* IRQD_IRQ_MASKED - Masked state of the interrupt
@@ -441,6 +442,8 @@
* @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 {
@@ -489,6 +492,9 @@
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;
};
@@ -504,6 +510,7 @@
* 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),
@@ -514,6 +521,7 @@
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>
@@ -593,6 +601,9 @@
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);
@@ -604,6 +615,7 @@
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,
@@ -613,6 +625,8 @@
extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data,
void *vcpu_info);
extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type);
+extern int irq_chip_request_resources_parent(struct irq_data *data);
+extern void irq_chip_release_resources_parent(struct irq_data *data);
#endif
/* Handling of unhandled and spurious interrupts: */
@@ -834,11 +848,12 @@
unsigned int arch_dynirq_lower_bound(unsigned int from);
int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
- struct module *owner, const struct cpumask *affinity);
+ struct module *owner,
+ const struct irq_affinity_desc *affinity);
int __devm_irq_alloc_descs(struct device *dev, int irq, unsigned int from,
unsigned int cnt, int node, struct module *owner,
- const struct cpumask *affinity);
+ const struct irq_affinity_desc *affinity);
/* use macros to avoid needing export.h for THIS_MODULE */
#define irq_alloc_descs(irq, from, cnt, node) \
@@ -1151,7 +1166,8 @@
void irq_matrix_assign_system(struct irq_matrix *m, unsigned int bit, bool replace);
int irq_matrix_reserve_managed(struct irq_matrix *m, const struct cpumask *msk);
void irq_matrix_remove_managed(struct irq_matrix *m, const struct cpumask *msk);
-int irq_matrix_alloc_managed(struct irq_matrix *m, unsigned int cpu);
+int irq_matrix_alloc_managed(struct irq_matrix *m, const struct cpumask *msk,
+ unsigned int *mapped_cpu);
void irq_matrix_reserve(struct irq_matrix *m);
void irq_matrix_remove_reserved(struct irq_matrix *m);
int irq_matrix_alloc(struct irq_matrix *m, const struct cpumask *msk,