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authorJiang Liu <jiang.liu@linux.intel.com>2014-10-27 09:12:02 +0100
committerThomas Gleixner <tglx@linutronix.de>2014-12-16 14:08:17 +0100
commit443809828cb5ee0eae09060aa8d4b42b79dd4e0b (patch)
tree834d204734b505fc30b33b64830fcdf1d297463e /arch/x86/include
parentx86, irq: Replace printk(KERN_LVL) with pr_lvl() utilities (diff)
downloadlinux-443809828cb5ee0eae09060aa8d4b42b79dd4e0b.tar.xz
linux-443809828cb5ee0eae09060aa8d4b42b79dd4e0b.zip
x86, irq: Move PCI MSI related code from io_apic.c into msi.c
Create arch/x86/kernel/apic/msi.c to host MSI related code, preparing for enabling hierarchy irqdomain. 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: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Prarit Bhargava <prarit@redhat.com> Link: http://lkml.kernel.org/r/1414397531-28254-12-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/io_apic.h4
-rw-r--r--arch/x86/include/asm/pci.h3
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 0db2b7037e4b..bdd45c25023a 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -148,9 +148,6 @@ extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *,
struct io_apic_irq_attr *);
extern void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg);
-extern void native_compose_msi_msg(struct pci_dev *pdev,
- unsigned int irq, unsigned int dest,
- struct msi_msg *msg, u8 hpet_id);
extern void native_eoi_ioapic_pin(int apic, int pin, int vector);
extern int save_ioapic_entries(void);
@@ -261,7 +258,6 @@ static inline void disable_ioapic_support(void) { }
#define native_io_apic_print_entries NULL
#define native_ioapic_set_affinity NULL
#define native_setup_ioapic_entry NULL
-#define native_compose_msi_msg NULL
#define native_eoi_ioapic_pin NULL
#endif
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 0892ea0e683f..4e370a5d8117 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -96,12 +96,15 @@ extern void pci_iommu_alloc(void);
#ifdef CONFIG_PCI_MSI
/* implemented in arch/x86/kernel/apic/io_apic. */
struct msi_desc;
+void native_compose_msi_msg(struct pci_dev *pdev, unsigned int irq,
+ unsigned int dest, struct msi_msg *msg, u8 hpet_id);
int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void native_teardown_msi_irq(unsigned int irq);
void native_restore_msi_irqs(struct pci_dev *dev);
int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
unsigned int irq_base, unsigned int irq_offset);
#else
+#define native_compose_msi_msg NULL
#define native_setup_msi_irqs NULL
#define native_teardown_msi_irq NULL
#endif