From: Feng Wu <feng.wu@intel.com>
To: dwmw2@infradead.org, joro@8bytes.or
Cc: jiang.liu@linux.intel.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Feng Wu <feng.wu@intel.com>
Subject: [v4 2/8] iommu, x86: Define new irte structure for VT-d Posted-Interrupts
Date: Mon, 2 Feb 2015 16:01:48 +0800 [thread overview]
Message-ID: <1422864114-19324-3-git-send-email-feng.wu@intel.com> (raw)
In-Reply-To: <1422864114-19324-1-git-send-email-feng.wu@intel.com>
Add a new irte_pi structure for VT-d Posted-Interrupts.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
---
include/linux/dmar.h | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 8473756..c7f9cda 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -212,6 +212,38 @@ struct irte {
};
};
+struct irte_pi {
+ union {
+ struct {
+ __u64 present : 1,
+ fpd : 1,
+ __reserved_1 : 6,
+ avail : 4,
+ __reserved_2 : 2,
+ urg : 1,
+ pst : 1,
+ vector : 8,
+ __reserved_3 : 14,
+ pda_l : 26;
+ };
+ __u64 low;
+ };
+
+ union {
+ struct {
+ __u64 sid : 16,
+ sq : 2,
+ svt : 2,
+ __reserved_4 : 12,
+ pda_h : 32;
+ };
+ __u64 high;
+ };
+};
+
+#define PDA_LOW_BIT 26
+#define PDA_HIGH_BIT 32
+
enum {
IRQ_REMAP_XAPIC_MODE,
IRQ_REMAP_X2APIC_MODE,
--
1.7.1
next prev parent reply other threads:[~2015-02-02 8:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-02 8:01 [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part Feng Wu
2015-02-02 8:01 ` [v4 1/8] iommu: Add new member capability to struct irq_remap_ops Feng Wu
2015-02-02 8:01 ` Feng Wu [this message]
2015-02-02 8:01 ` [v4 3/8] iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip Feng Wu
2015-02-02 8:01 ` [v4 4/8] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts Feng Wu
2015-02-02 8:01 ` [v4 5/8] iommu, x86: Add cap_pi_support() to detect VT-d PI capability Feng Wu
2015-02-02 8:01 ` [v4 6/8] iommu, x86: Setup Posted-Interrupts capability for Intel iommu Feng Wu
2015-02-02 8:01 ` [v4 7/8] iommu, x86: define irq_remapping_cap() Feng Wu
2015-02-02 8:01 ` [v4 8/8] iommu, x86: Properly handler PI for IOMMU hotplug Feng Wu
2015-02-02 8:17 ` [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part Wu, Feng
2015-02-02 8:06 Feng Wu
2015-02-02 8:06 ` [v4 2/8] iommu, x86: Define new irte structure for VT-d Posted-Interrupts Feng Wu
2015-03-23 11:57 ` Joerg Roedel
2015-03-24 2:32 ` Wu, Feng
2015-03-31 15:16 ` Joerg Roedel
2015-04-01 8:51 ` Wu, Feng
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