/*
* Return value for chip->irq_set_affinity()
*
- * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity
- * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity
+ * IRQ_SET_MASK_OK - OK, core updates irq_common_data.affinity
+ * IRQ_SET_MASK_NOCPY - OK, chip did update irq_common_data.affinity
* IRQ_SET_MASK_OK_DONE - Same as IRQ_SET_MASK_OK for core. Special code to
* support stacked irqchips, which indicates skipping
* all descendent irqchips.
* struct irq_common_data - per irq data shared by all irqchips
* @state_use_accessors: status information for irq chip functions.
* Use accessor functions to deal with it
+ * @node: node index useful for balancing
+ * @handler_data: per-IRQ data for the irq_chip methods
+ * @affinity: IRQ affinity on SMP
+ * @msi_desc: MSI descriptor
*/
struct irq_common_data {
unsigned int state_use_accessors;
+#ifdef CONFIG_NUMA
+ unsigned int node;
+#endif
+ void *handler_data;
+ struct msi_desc *msi_desc;
+ cpumask_var_t affinity;
};
/**
* @mask: precomputed bitmask for accessing the chip registers
* @irq: interrupt number
* @hwirq: hardware interrupt number, local to the interrupt domain
- * @node: node index useful for balancing
* @common: point to data shared by all irqchips
* @chip: low level interrupt hardware access
* @domain: Interrupt translation domain; responsible for mapping
* between hwirq number and linux irq number.
* @parent_data: pointer to parent struct irq_data to support hierarchy
* irq_domain
- * @handler_data: per-IRQ data for the irq_chip methods
* @chip_data: platform-specific per-chip private data for the chip
* methods, to allow shared chip implementations
- * @msi_desc: MSI descriptor
- * @affinity: IRQ affinity on SMP
- *
- * The fields here need to overlay the ones in irq_desc until we
- * cleaned up the direct references and switched everything over to
- * irq_data.
*/
struct irq_data {
u32 mask;
unsigned int irq;
unsigned long hwirq;
- unsigned int node;
struct irq_common_data *common;
struct irq_chip *chip;
struct irq_domain *domain;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
struct irq_data *parent_data;
#endif
- void *handler_data;
void *chip_data;
- struct msi_desc *msi_desc;
- cpumask_var_t affinity;
};
/*
* IRQD_IRQ_MASKED - Masked state of the interrupt
* IRQD_IRQ_INPROGRESS - In progress state of the interrupt
* IRQD_WAKEUP_ARMED - Wakeup mode armed
+ * IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU
*/
enum {
IRQD_TRIGGER_MASK = 0xf,
IRQD_IRQ_MASKED = (1 << 17),
IRQD_IRQ_INPROGRESS = (1 << 18),
IRQD_WAKEUP_ARMED = (1 << 19),
+ IRQD_FORWARDED_TO_VCPU = (1 << 20),
};
#define __irqd_to_state(d) ((d)->common->state_use_accessors)
return __irqd_to_state(d) & IRQD_WAKEUP_ARMED;
}
+static inline bool irqd_is_forwarded_to_vcpu(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_set_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_FORWARDED_TO_VCPU;
+}
+
+static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d)
+{
+ __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU;
+}
/*
* Functions for chained handlers which can be enabled/disabled by the
* Built-in IRQ handlers for various IRQ types,
* callable via desc->handle_irq()
*/
-extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc);
-extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_level_irq(struct irq_desc *desc);
+extern void handle_fasteoi_irq(struct irq_desc *desc);
+extern void handle_edge_irq(struct irq_desc *desc);
+extern void handle_edge_eoi_irq(struct irq_desc *desc);
+extern void handle_simple_irq(struct irq_desc *desc);
+extern void handle_percpu_irq(struct irq_desc *desc);
+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 int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
static inline void *irq_get_handler_data(unsigned int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->handler_data : NULL;
+ return d ? d->common->handler_data : NULL;
}
static inline void *irq_data_get_irq_handler_data(struct irq_data *d)
{
- return d->handler_data;
+ return d->common->handler_data;
}
static inline struct msi_desc *irq_get_msi_desc(unsigned int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->msi_desc : NULL;
+ return d ? d->common->msi_desc : NULL;
}
static inline struct msi_desc *irq_data_get_msi_desc(struct irq_data *d)
{
- return d->msi_desc;
+ return d->common->msi_desc;
}
static inline u32 irq_get_trigger_type(unsigned int irq)
return d ? irqd_get_trigger_type(d) : 0;
}
-static inline int irq_data_get_node(struct irq_data *d)
+static inline int irq_common_data_get_node(struct irq_common_data *d)
{
+#ifdef CONFIG_NUMA
return d->node;
+#else
+ return 0;
+#endif
+}
+
+static inline int irq_data_get_node(struct irq_data *d)
+{
+ return irq_common_data_get_node(d->common);
}
static inline struct cpumask *irq_get_affinity_mask(int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
- return d ? d->affinity : NULL;
+ return d ? d->common->affinity : NULL;
}
static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
{
- return d->affinity;
+ return d->common->affinity;
}
unsigned int arch_dynirq_lower_bound(unsigned int from);
projects / linux-drm-fsl-dcu.git / blobdiff