From 76ccc297018d25d55b789bbd508861ef1e2cdb0c Mon Sep 17 00:00:00 2001 From: Konrad Rzeszutek Wilk Date: Fri, 16 Dec 2011 17:38:18 -0500 Subject: x86/PCI: Expand the x86_msi_ops to have a restore MSIs. The MSI restore function will become a function pointer in an x86_msi_ops struct. It defaults to the implementation in the io_apic.c and msi.c. We piggyback on the indirection mechanism introduced by "x86: Introduce x86_msi_ops". Cc: x86@kernel.org Cc: Thomas Gleixner Cc: "H. Peter Anvin" Cc: linux-pci@vger.kernel.org Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: Jesse Barnes --- arch/x86/include/asm/pci.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/x86/include/asm/pci.h') diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index d498943b906c..df75d07571ce 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -112,19 +112,28 @@ static inline void x86_teardown_msi_irq(unsigned int irq) { x86_msi.teardown_msi_irq(irq); } +static inline void x86_restore_msi_irqs(struct pci_dev *dev, int irq) +{ + x86_msi.restore_msi_irqs(dev, irq); +} #define arch_setup_msi_irqs x86_setup_msi_irqs #define arch_teardown_msi_irqs x86_teardown_msi_irqs #define arch_teardown_msi_irq x86_teardown_msi_irq +#define arch_restore_msi_irqs x86_restore_msi_irqs /* implemented in arch/x86/kernel/apic/io_apic. */ 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 irq); /* default to the implementation in drivers/lib/msi.c */ #define HAVE_DEFAULT_MSI_TEARDOWN_IRQS +#define HAVE_DEFAULT_MSI_RESTORE_IRQS void default_teardown_msi_irqs(struct pci_dev *dev); +void default_restore_msi_irqs(struct pci_dev *dev, int irq); #else #define native_setup_msi_irqs NULL #define native_teardown_msi_irq NULL #define default_teardown_msi_irqs NULL +#define default_restore_msi_irqs NULL #endif #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) -- cgit