Messages in this thread Patch in this message | | | From | Feng Wu <> | Subject | [v4 1/8] iommu: Add new member capability to struct irq_remap_ops | Date | Mon, 2 Feb 2015 16:06:57 +0800 |
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This patch adds a new member capability to struct irq_remap_ops, this new function ops can be used to check whether some features are supported, such as VT-d Posted-Interrupts.
Signed-off-by: Feng Wu <feng.wu@intel.com> Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com> --- arch/x86/include/asm/irq_remapping.h | 4 ++++ drivers/iommu/irq_remapping.h | 3 +++ 2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h index 6ba2431..f67ae08 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h @@ -31,6 +31,10 @@ struct irq_alloc_info; #ifdef CONFIG_IRQ_REMAP +enum irq_remap_cap { + IRQ_POSTING_CAP = 0, +}; + extern void setup_irq_remapping_ops(void); extern int irq_remapping_supported(void); extern void set_irq_remapping_broken(void); diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index 4bd791d..69b2a1c 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -36,6 +36,9 @@ extern int no_x2apic_optout; extern int irq_remapping_enabled; struct irq_remap_ops { + /* The supported capabilites */ + int capability; + /* Check whether Interrupt Remapping is supported */ int (*supported)(void); -- 1.7.1
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