From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Wu, Feng" Subject: Re: [PATCH v9 00/17] Add VT-d Posted-Interrupts support Date: Tue, 10 Nov 2015 07:33:53 +0000 Message-ID: References: <1446540207-4806-1-git-send-email-feng.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1446540207-4806-1-git-send-email-feng.wu@intel.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "xen-devel@lists.xen.org" Cc: "george.dunlap@eu.citrix.com" , "dario.faggioli@citrix.com" , "Wu, Feng" , "Tian, Kevin" , "Jan Beulich (JBeulich@suse.com)" List-Id: xen-devel@lists.xenproject.org Thanks for your effort on this series and kindly ping.. Thanks, Feng > -----Original Message----- > From: Wu, Feng > Sent: Tuesday, November 3, 2015 4:43 PM > To: xen-devel@lists.xen.org > Cc: Wu, Feng > Subject: [PATCH v9 00/17] Add VT-d Posted-Interrupts support > > 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- > technology/vt-directed-io-spec.html > > v9: > - [PATCH v9 01/17] VT-d Posted-intterrupt (PI) design > * Make the description more generic. > > - [PATCH v9 02/17] Add cmpxchg16b support for x86-64 > * Make the *ptr operand an input and output. > > - [PATCH v9 15/17] vmx: VT-d posted-interrupt core logic handling > * Remove arch_vcpu_block_cancel() and arch_vcpu_wake_prepare(). > * Add vmx_pi_state_change() and call it before VM Entry. > > Feng Wu (17): > r VT-d Posted-intterrupt (PI) design > Add cmpxchg16b support for x86-64 > ra iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature > r vt-d: VT-d Posted-Interrupts feature detection > ra vmx: Extend struct pi_desc to support VT-d Posted-Interrupts > r vmx: Add some helper functions for Posted-Interrupts > ra vmx: Initialize VT-d Posted-Interrupts Descriptor > r vmx: Suppress posting interrupts when 'SN' is set > r VT-d: Remove pointless casts > a vt-d: Extend struct iremap_entry to support VT-d Posted-Interrupts > r vt-d: Add API to update IRTE when VT-d PI is used > a x86: move some APIC related macros to apicdef.h > a Update IRTE according to guest interrupt config changes > a vmx: Properly handle notification event when vCPU is running > vmx: VT-d posted-interrupt core logic handling > VT-d: Dump the posted format IRTE > ra Add a command line parameter for VT-d posted-interrupts > > r = has been 'Reviewed-by' > a = has been 'Acked-by' > > docs/misc/vtd-pi.txt | 329 +++++++++++++++++++++++++++++++++ > docs/misc/xen-command-line.markdown | 9 +- > xen/arch/x86/hvm/hvm.c | 6 + > xen/arch/x86/hvm/vlapic.c | 5 - > xen/arch/x86/hvm/vmx/vmcs.c | 24 +++ > xen/arch/x86/hvm/vmx/vmx.c | 270 ++++++++++++++++++++++++++- > xen/common/schedule.c | 7 +- > xen/drivers/passthrough/io.c | 123 +++++++++++- > xen/drivers/passthrough/iommu.c | 16 +- > xen/drivers/passthrough/vtd/intremap.c | 212 ++++++++++++++++----- > xen/drivers/passthrough/vtd/iommu.c | 14 +- > xen/drivers/passthrough/vtd/iommu.h | 51 +++-- > xen/drivers/passthrough/vtd/utils.c | 40 ++-- > xen/include/asm-arm/domain.h | 2 + > xen/include/asm-x86/apicdef.h | 3 + > xen/include/asm-x86/domain.h | 2 + > xen/include/asm-x86/hvm/hvm.h | 2 + > xen/include/asm-x86/hvm/vmx/vmcs.h | 24 ++- > xen/include/asm-x86/hvm/vmx/vmx.h | 27 +++ > xen/include/asm-x86/iommu.h | 2 + > xen/include/asm-x86/x86_64/system.h | 33 ++++ > xen/include/xen/iommu.h | 2 +- > 22 files changed, 1113 insertions(+), 90 deletions(-) > create mode 100644 docs/misc/vtd-pi.txt > > -- > 2.1.0