From: Feng Wu <feng.wu@intel.com>
To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, gleb@kernel.org, pbonzini@redhat.com,
dwmw2@infradead.org, joro@8bytes.org, alex.williamson@redhat.com,
jiang.liu@linux.intel.com
Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
kvm@vger.kernel.org, Feng Wu <feng.wu@intel.com>
Subject: [v2 07/25] iommu, x86: Add cap_pi_support() to detect VT-d PI capability
Date: Wed, 3 Dec 2014 15:39:36 +0800 [thread overview]
Message-ID: <1417592394-24343-8-git-send-email-feng.wu@intel.com> (raw)
In-Reply-To: <1417592394-24343-1-git-send-email-feng.wu@intel.com>
Add helper function to detect VT-d Posted-Interrupts capability.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com>
---
include/linux/intel-iommu.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index ecaf3a9..8174ae8 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -87,6 +87,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
/*
* Decoding Capability Register
*/
+#define cap_pi_support(c) (((c) >> 59) & 1)
#define cap_read_drain(c) (((c) >> 55) & 1)
#define cap_write_drain(c) (((c) >> 54) & 1)
#define cap_max_amask_val(c) (((c) >> 48) & 0x3f)
--
1.7.1
next prev parent reply other threads:[~2014-12-03 7:50 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 7:39 [v2 00/25] Add VT-d Posted-Interrupts support Feng Wu
2014-12-03 7:39 ` [v2 01/25] genirq: Introduce irq_set_vcpu_affinity() to target an interrupt to a VCPU Feng Wu
2014-12-03 7:39 ` [v2 02/25] iommu: Add new member capability to struct irq_remap_ops Feng Wu
2014-12-03 7:39 ` [v2 03/25] iommu, x86: Define new irte structure for VT-d Posted-Interrupts Feng Wu
2014-12-03 7:39 ` [v2 04/25] iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip Feng Wu
2014-12-03 7:39 ` [v2 05/25] x86, irq: Implement irq_set_vcpu_affinity for pci_msi_ir_controller Feng Wu
2014-12-03 7:39 ` [v2 06/25] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts Feng Wu
2014-12-03 7:39 ` Feng Wu [this message]
2014-12-03 7:39 ` [v2 08/25] iommu, x86: Add intel_irq_remapping_capability() for Intel Feng Wu
2014-12-03 7:39 ` [v2 09/25] iommu, x86: define irq_remapping_cap() Feng Wu
2014-12-03 7:39 ` [v2 10/25] KVM: change struct pi_desc for VT-d Posted-Interrupts Feng Wu
2014-12-03 7:39 ` [v2 11/25] KVM: Add some helper functions for Posted-Interrupts Feng Wu
2014-12-03 7:39 ` [v2 12/25] KVM: Initialize VT-d Posted-Interrupts Descriptor Feng Wu
2014-12-03 7:39 ` [v2 13/25] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI Feng Wu
2014-12-03 7:39 ` [v2 14/25] KVM: Get Posted-Interrupts descriptor address from struct kvm_vcpu Feng Wu
2014-12-03 7:39 ` [v2 15/25] KVM: Make struct kvm_irq_routing_table accessible Feng Wu
2014-12-03 7:39 ` [v2 16/25] KVM: make kvm_set_msi_irq() public Feng Wu
2014-12-03 7:39 ` [v2 17/25] KVM: kvm-vfio: User API for VT-d Posted-Interrupts Feng Wu
2014-12-04 14:04 ` Eric Auger
2014-12-08 4:58 ` Wu, Feng
2014-12-08 5:21 ` Alex Williamson
2014-12-09 11:38 ` Wu, Feng
2014-12-11 5:55 ` Wu, Feng
2014-12-11 15:45 ` Alex Williamson
2014-12-03 7:39 ` [v2 18/25] KVM: kvm-vfio: implement the VFIO skeleton " Feng Wu
2014-12-04 15:35 ` Eric Auger
2014-12-08 4:58 ` Wu, Feng
2014-12-08 5:12 ` Alex Williamson
2014-12-08 10:15 ` Eric Auger
2014-12-09 11:51 ` Wu, Feng
2014-12-03 7:39 ` [v2 19/25] KVM: x86: kvm-vfio: VT-d posted-interrupts setup Feng Wu
2014-12-03 7:39 ` [v2 20/25] x86, irq: Define a global vector for VT-d Posted-Interrupts Feng Wu
2014-12-03 7:39 ` [v2 21/25] KVM: Update Posted-Interrupts descriptor during vCPU scheduling Feng Wu
2014-12-03 7:39 ` [v2 22/25] KVM: Change NDST field after " Feng Wu
2014-12-03 7:39 ` [v2 23/25] KVM: Add the handler for Wake-up Vector Feng Wu
2014-12-03 7:39 ` [v2 24/25] KVM: Suppress posted-interrupt when 'SN' is set Feng Wu
2014-12-03 7:39 ` [v2 25/25] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu
2014-12-08 13:36 ` [v2 00/25] Add VT-d Posted-Interrupts support Wu, Feng
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1417592394-24343-8-git-send-email-feng.wu@intel.com \
--to=feng.wu@intel.com \
--cc=alex.williamson@redhat.com \
--cc=dwmw2@infradead.org \
--cc=gleb@kernel.org \
--cc=hpa@zytor.com \
--cc=iommu@lists.linux-foundation.org \
--cc=jiang.liu@linux.intel.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=pbonzini@redhat.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®