x86/irq: Move irqdomain specific code into asm/irqdomain.h

Now we have dedicated asm/irqdomain.h, so move irqdomain specific
code into it.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: http://lkml.kernel.org/r/1428978610-28986-33-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/include/asm/hw_irq.h

@@ -94,8 +94,6 @@ extern void trace_call_function_single_interrupt(void);
 #define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi
 #endif /* CONFIG_TRACING */
 
-struct irq_domain;
-
 #ifdef	CONFIG_X86_LOCAL_APIC
 struct irq_data;
 struct pci_dev;
@@ -165,22 +163,11 @@ struct irq_alloc_info {
 	};
 };
 
-enum {
-	/* Allocate contiguous CPU vectors */
-	X86_IRQ_ALLOC_CONTIGUOUS_VECTORS		= 0x1,
-};
-
 struct irq_cfg {
 	unsigned int		dest_apicid;
 	u8			vector;
 };
 
-extern struct irq_domain *x86_vector_domain;
-
-extern void init_irq_alloc_info(struct irq_alloc_info *info,
-				const struct cpumask *mask);
-extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
-				struct irq_alloc_info *src);
 extern struct irq_cfg *irq_cfg(unsigned int irq);
 extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
 extern void lock_vector_lock(void);
@@ -200,17 +187,6 @@ static inline void lock_vector_lock(void) {}
 static inline void unlock_vector_lock(void) {}
 #endif	/* CONFIG_X86_LOCAL_APIC */
 
-#ifdef	CONFIG_PCI_MSI
-extern void arch_init_msi_domain(struct irq_domain *domain);
-#else
-static inline void arch_init_msi_domain(struct irq_domain *domain) { }
-#endif
-#ifdef	CONFIG_HT_IRQ
-extern void arch_init_htirq_domain(struct irq_domain *domain);
-#else
-static inline void arch_init_htirq_domain(struct irq_domain *domain) { }
-#endif
-
 /* Statistics */
 extern atomic_t irq_err_count;
 extern atomic_t irq_mis_count;

arch/x86/include/asm/irq_remapping.h

@@ -22,7 +22,7 @@
 #ifndef __X86_IRQ_REMAPPING_H
 #define __X86_IRQ_REMAPPING_H
 
-#include <linux/irqdomain.h>
+#include <asm/irqdomain.h>
 #include <asm/hw_irq.h>
 #include <asm/io_apic.h>
 

arch/x86/include/asm/irqdomain.h

@@ -2,6 +2,25 @@
 #define _ASM_IRQDOMAIN_H
 
 #include <linux/irqdomain.h>
+#include <asm/hw_irq.h>
+
+#ifdef CONFIG_X86_LOCAL_APIC
+enum {
+	/* Allocate contiguous CPU vectors */
+	X86_IRQ_ALLOC_CONTIGUOUS_VECTORS		= 0x1,
+};
+
+extern struct irq_domain *x86_vector_domain;
+
+extern void init_irq_alloc_info(struct irq_alloc_info *info,
+				const struct cpumask *mask);
+extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
+				struct irq_alloc_info *src);
+#endif /* CONFIG_X86_LOCAL_APIC */
+
+#ifdef CONFIG_X86_IO_APIC
+struct device_node;
+struct irq_data;
 
 enum ioapic_domain_type {
 	IOAPIC_DOMAIN_INVALID,
@@ -10,9 +29,6 @@ enum ioapic_domain_type {
 	IOAPIC_DOMAIN_DYNAMIC,
 };
 
-struct device_node;
-struct irq_data;
-
 struct ioapic_domain_cfg {
 	enum ioapic_domain_type		type;
 	const struct irq_domain_ops	*ops;
@@ -30,5 +46,18 @@ extern void mp_irqdomain_activate(struct irq_domain *domain,
 extern void mp_irqdomain_deactivate(struct irq_domain *domain,
 				    struct irq_data *irq_data);
 extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
+#endif /* CONFIG_X86_IO_APIC */
+
+#ifdef CONFIG_PCI_MSI
+extern void arch_init_msi_domain(struct irq_domain *domain);
+#else
+static inline void arch_init_msi_domain(struct irq_domain *domain) { }
+#endif
+
+#ifdef CONFIG_HT_IRQ
+extern void arch_init_htirq_domain(struct irq_domain *domain);
+#else
+static inline void arch_init_htirq_domain(struct irq_domain *domain) { }
+#endif
 
 #endif

arch/x86/kernel/apic/htirq.c

@@ -16,7 +16,7 @@
 #include <linux/device.h>
 #include <linux/pci.h>
 #include <linux/htirq.h>
-#include <linux/irqdomain.h>
+#include <asm/irqdomain.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
 #include <asm/hypertransport.h>

arch/x86/kernel/apic/msi.c

@@ -16,7 +16,7 @@
 #include <linux/dmar.h>
 #include <linux/hpet.h>
 #include <linux/msi.h>
-#include <linux/irqdomain.h>
+#include <asm/irqdomain.h>
 #include <asm/msidef.h>
 #include <asm/hpet.h>
 #include <asm/hw_irq.h>

arch/x86/kernel/apic/vector.c

@@ -13,8 +13,8 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/compiler.h>
-#include <linux/irqdomain.h>
 #include <linux/slab.h>
+#include <asm/irqdomain.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
 #include <asm/i8259.h>

arch/x86/kernel/hpet.c

@@ -11,8 +11,8 @@
 #include <linux/cpu.h>
 #include <linux/pm.h>
 #include <linux/io.h>
-#include <linux/irqdomain.h>
 
+#include <asm/irqdomain.h>
 #include <asm/fixmap.h>
 #include <asm/hpet.h>
 #include <asm/time.h>

arch/x86/platform/uv/uv_irq.c

@@ -12,8 +12,8 @@
 #include <linux/rbtree.h>
 #include <linux/slab.h>
 #include <linux/irq.h>
-#include <linux/irqdomain.h>
 
+#include <asm/irqdomain.h>
 #include <asm/apic.h>
 #include <asm/uv/uv_irq.h>
 #include <asm/uv/uv_hub.h>