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authorJiang Liu <jiang.liu@linux.intel.com>2014-10-27 11:12:00 +0300
committerThomas Gleixner <tglx@linutronix.de>2014-12-16 16:08:16 +0300
commit74afab7af7d9aeba86b3b8e39670cf7d0058f6df (patch)
treeef65e6502d8a56eada797a278002cdd9e1307f04 /arch/x86/include/asm/hw_irq.h
parent55a0e2b122c26c7496ea85754bceddc05dba402b (diff)
downloadlinux-74afab7af7d9aeba86b3b8e39670cf7d0058f6df.tar.xz
x86, irq: Move local APIC related code from io_apic.c into vector.c
Create arch/x86/kernel/apic/vector.c to host local APIC related code, prepare for making MSI/HT_IRQ independent of IOAPIC. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Grant Likely <grant.likely@linaro.org> Link: http://lkml.kernel.org/r/1414397531-28254-10-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
-rw-r--r--arch/x86/include/asm/hw_irq.h29
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 454c9e4056e6..ef50db16bb44 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -111,6 +111,8 @@ struct irq_2_irte {
#endif /* CONFIG_IRQ_REMAP */
#ifdef CONFIG_X86_LOCAL_APIC
+struct irq_data;
+
struct irq_cfg {
cpumask_var_t domain;
cpumask_var_t old_domain;
@@ -134,28 +136,27 @@ struct irq_cfg {
extern struct irq_cfg *irq_cfg(unsigned int irq);
extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
-extern void setup_vector_irq(int cpu);
+extern struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node);
+extern void lock_vector_lock(void);
+extern void unlock_vector_lock(void);
extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
+extern void clear_irq_vector(int irq, struct irq_cfg *cfg);
+extern void setup_vector_irq(int cpu);
#ifdef CONFIG_SMP
extern void send_cleanup_vector(struct irq_cfg *);
#else
static inline void send_cleanup_vector(struct irq_cfg *c) { }
#endif
+extern void irq_complete_move(struct irq_cfg *cfg);
-struct irq_data;
-int apic_set_affinity(struct irq_data *, const struct cpumask *,
- unsigned int *dest_id);
-#endif /* CONFIG_X86_LOCAL_APIC */
-
-#ifdef CONFIG_X86_IO_APIC
-extern void lock_vector_lock(void);
-extern void unlock_vector_lock(void);
-extern void __setup_vector_irq(int cpu);
-#else
+extern int apic_retrigger_irq(struct irq_data *data);
+extern void apic_ack_edge(struct irq_data *data);
+extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
+ unsigned int *dest_id);
+#else /* CONFIG_X86_LOCAL_APIC */
static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}
-static inline void __setup_vector_irq(int cpu) {}
-#endif
+#endif /* CONFIG_X86_LOCAL_APIC */
/* IOAPIC */
#ifdef CONFIG_X86_IO_APIC
@@ -181,11 +182,13 @@ extern void enable_IO_APIC(void);
extern void disable_IO_APIC(void);
extern void setup_ioapic_dest(void);
extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin);
+extern void print_IO_APICs(void);
extern unsigned long io_apic_irqs;
#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1 << (x)) & io_apic_irqs))
#else /* CONFIG_X86_IO_APIC */
#define IO_APIC_IRQ(x) 0
+static inline void print_IO_APICs(void) {}
#endif /* CONFIG_X86_IO_APIC */
/* Statistics */