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iommu: Add new member capability to struct irq_remap_ops
Add a new member 'capability' to struct irq_remap_ops for storing information about available capabilities such as VT-d Posted-Interrupts. Signed-off-by: Feng Wu <feng.wu@intel.com> Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Joerg Roedel <joro@8bytes.org> Cc: iommu@lists.linux-foundation.org Cc: dwmw2@infradead.org Link: http://lkml.kernel.org/r/1433827237-3382-2-git-send-email-feng.wu@intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -29,6 +29,10 @@
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struct msi_msg;
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struct irq_alloc_info;
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enum irq_remap_cap {
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IRQ_POSTING_CAP = 0,
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};
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#ifdef CONFIG_IRQ_REMAP
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extern void set_irq_remapping_broken(void);
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@ -35,6 +35,9 @@ extern int no_x2apic_optout;
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extern int irq_remapping_enabled;
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struct irq_remap_ops {
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/* The supported capabilities */
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int capability;
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/* Initializes hardware and makes it ready for remapping interrupts */
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int (*prepare)(void);
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