linux-kernel - RE: [v4 0/8] Add VT-d Posted-Interrupts support

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Date:	Mon, 2 Feb 2015 08:17:17 +0000
From:	"Wu, Feng" <feng.wu@...el.com>
To:	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"joro@...tes.or" <joro@...tes.or>
CC:	"jiang.liu@...ux.intel.com" <jiang.liu@...ux.intel.com>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Wu, Feng" <feng.wu@...el.com>
Subject: RE: [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part

Made a mistake with Joro's address, will resend this series again, Sorry for this!

Thanks,
Feng

> -----Original Message-----
> From: Wu, Feng
> Sent: Monday, February 02, 2015 4:02 PM
> To: dwmw2@...radead.org; joro@...tes.or
> Cc: jiang.liu@...ux.intel.com; iommu@...ts.linux-foundation.org;
> linux-kernel@...r.kernel.org; Wu, Feng
> Subject: [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part
> 
> VT-d Posted-Interrupts is an enhancement to CPU side Posted-Interrupt.
> With VT-d Posted-Interrupts enabled, external interrupts from
> direct-assigned devices can be delivered to guests without VMM
> intervention when guest is running in non-root mode.
> 
> You can find the VT-d Posted-Interrtups Spec. in the following URL:
> http://www.intel.com/content/www/us/en/intelligent-systems/intel-technolog
> y/vt-directed-io-spec.html
> 
> This series was part of
> http://thread.gmane.org/gmane.linux.kernel.iommu/7708. To make things
> clear, send out IOMMU part here.
> 
> v3->v4:
> * Change capability to a int variant flags instead of a function call
> * Add hotplug case for VT-d PI
> 
> Feng Wu (8):
>   iommu: Add new member capability to struct irq_remap_ops
>   iommu, x86: Define new irte structure for VT-d Posted-Interrupts
>   iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip
>   iommu, x86: No need to migrating irq for VT-d Posted-Interrupts
>   iommu, x86: Add cap_pi_support() to detect VT-d PI capability
>   iommu, x86: Setup Posted-Interrupts capability for Intel iommu
>   iommu, x86: define irq_remapping_cap()
>   iommu, x86: Properly handler PI for IOMMU hotplug
> 
>  arch/x86/include/asm/irq_remapping.h |   11 +++++
>  drivers/iommu/intel_irq_remapping.c  |   78
> +++++++++++++++++++++++++++++++++-
>  drivers/iommu/irq_remapping.c        |   11 +++++
>  drivers/iommu/irq_remapping.h        |    6 +++
>  include/linux/dmar.h                 |   32 ++++++++++++++
>  include/linux/intel-iommu.h          |    1 +
>  6 files changed, 138 insertions(+), 1 deletions(-)

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