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| author | Feng Wu <feng.wu@intel.com> | 2015-06-09 13:20:28 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-12 11:33:51 +0200 |
| commit | 6f281923949a4944a7d5625e4f900ec02fefee59 (patch) | |
| tree | eadb6e87fbf05717f61882210ba57af7fbc5595d | |
| parent | 501b32653ebf49114cccb9afbf9150cf18fd8700 (diff) | |
| download | linux-stable-6f281923949a4944a7d5625e4f900ec02fefee59.tar.gz linux-stable-6f281923949a4944a7d5625e4f900ec02fefee59.tar.bz2 linux-stable-6f281923949a4944a7d5625e4f900ec02fefee59.zip | |
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>
| -rw-r--r-- | arch/x86/include/asm/irq_remapping.h | 4 | ||||
| -rw-r--r-- | 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 78974fbc33b4..8b432dd8f170 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h @@ -29,6 +29,10 @@ struct msi_msg; struct irq_alloc_info; +enum irq_remap_cap { + IRQ_POSTING_CAP = 0, +}; + #ifdef CONFIG_IRQ_REMAP extern void set_irq_remapping_broken(void); diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index 91d5a119956a..b6ca30d31986 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -35,6 +35,9 @@ extern int no_x2apic_optout; extern int irq_remapping_enabled; struct irq_remap_ops { + /* The supported capabilities */ + int capability; + /* Initializes hardware and makes it ready for remapping interrupts */ int (*prepare)(void); |