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authorThomas Gleixner <tglx@linutronix.de>2017-09-13 23:29:06 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-09-25 20:38:23 +0200
commitc3e7239a7f43ce1ff407df5f5944bf0d42dc21bf (patch)
tree51c4b4e4276e7827bf972beeb015f0761f48febe /include
parent07557ccb8c83f315e409ddee181e9ffbf87c6ad1 (diff)
irqdomain/debugfs: Provide domain specific debug callback
Some interrupt domains like the X86 vector domain has special requirements for debugging, like showing the vector usage on the CPUs. Add a callback to the irqdomain ops which can be filled in by domains which require it and add conditional invocations to the irqdomain and the per irq debug files. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Juergen Gross <jgross@suse.com> Tested-by: Yu Chen <yu.c.chen@intel.com> Acked-by: Juergen Gross <jgross@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Alok Kataria <akataria@vmware.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Rui Zhang <rui.zhang@intel.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Len Brown <lenb@kernel.org> Link: https://lkml.kernel.org/r/20170913213152.512937505@linutronix.de
Diffstat (limited to 'include')
-rw-r--r--include/linux/irqdomain.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 81e4889ca6dd..1fb50438a868 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -40,6 +40,7 @@ struct of_device_id;
struct irq_chip;
struct irq_data;
struct cpumask;
+struct seq_file;
/* Number of irqs reserved for a legacy isa controller */
#define NUM_ISA_INTERRUPTS 16
@@ -104,7 +105,6 @@ struct irq_domain_ops {
int (*xlate)(struct irq_domain *d, struct device_node *node,
const u32 *intspec, unsigned int intsize,
unsigned long *out_hwirq, unsigned int *out_type);
-
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
/* extended V2 interfaces to support hierarchy irq_domains */
int (*alloc)(struct irq_domain *d, unsigned int virq,
@@ -116,6 +116,10 @@ struct irq_domain_ops {
int (*translate)(struct irq_domain *d, struct irq_fwspec *fwspec,
unsigned long *out_hwirq, unsigned int *out_type);
#endif
+#ifdef CONFIG_GENERIC_IRQ_DEBUGFS
+ void (*debug_show)(struct seq_file *m, struct irq_domain *d,
+ struct irq_data *irqd, int ind);
+#endif
};
extern struct irq_domain_ops irq_generic_chip_ops;