Commit-ID: 6f281923949a4944a7d5625e4f900ec02fefee59
Gitweb: http://git.kernel.org/tip/6f281923949a4944a7d5625e4f900ec02fefee59
Author: Feng Wu <feng.wu@xxxxxxxxx>
AuthorDate: Tue, 9 Jun 2015 13:20:28 +0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 12 Jun 2015 11:33:51 +0200
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@xxxxxxxxx>
Reviewed-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Joerg Roedel <joro@xxxxxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: dwmw2@xxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1433827237-3382-2-git-send-email-feng.wu@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/include/asm/irq_remapping.h | 4 ++++
drivers/iommu/irq_remapping.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index 78974fb..8b432dd 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 91d5a11..b6ca30d 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);
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|