From 0921f1da6425f05a1f56803069124b7ec13b79e2 Mon Sep 17 00:00:00 2001
From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Mon, 13 Apr 2015 14:11:42 +0800
Subject: x86/irq: Use hierarchical irqdomain to manage DMAR interrupts

Enhance DMAR code to support hierarchical irqdomain, it helps to make
the architecture more clear.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428905519-23704-21-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/include/asm/hw_irq.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'arch/x86/include')

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 05829e973a2a..bf1725047c27 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -122,6 +122,7 @@ enum irq_alloc_type {
 	X86_IRQ_ALLOC_TYPE_HPET,
 	X86_IRQ_ALLOC_TYPE_MSI,
 	X86_IRQ_ALLOC_TYPE_MSIX,
+	X86_IRQ_ALLOC_TYPE_DMAR,
 };
 
 struct irq_alloc_info {
@@ -153,6 +154,12 @@ struct irq_alloc_info {
 			u32		ioapic_valid : 1;
 			struct IO_APIC_route_entry *ioapic_entry;
 		};
+#endif
+#ifdef	CONFIG_DMAR_TABLE
+		struct {
+			int		dmar_id;
+			void		*dmar_data;
+		};
 #endif
 	};
 };
-- 
cgit