Re: [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific information in a structure

On 02/11/2016 09:33 AM, Julien Grall wrote: > Introduce a structure which are filled up by the arch timer driver and > used by the virtual timer in KVM. > > The first member of this structure will be the timecounter. More members > will be added later. > > This is also dropping

Re: [PATCH v2 0/6] arm64: Add support of KVM with ACPI

On 02/11/2016 09:33 AM, Julien Grall wrote: > Hello, > > This small series allows an ARM64 ACPI based platform to use KVM. > > Currently the KVM code has to parse the firmware table to get the necessary > information to setup the virtual timer and virtual GIC. > > However the parsing of those

Re: [RFC v3 07/15] iommu: iommu_get/put_single_reserved

Hi Marc, On 02/18/2016 05:51 PM, Marc Zyngier wrote: > On 18/02/16 16:42, Eric Auger wrote: >> Hello, >> On 02/18/2016 12:06 PM, Marc Zyngier wrote: >>> On Fri, 12 Feb 2016 08:13:09 + >>> Eric Auger wrote: >>> This patch introduces iommu_get/put_single_reserved.

Re: [RFC v3 15/15] irqchip/gicv2m/v3-its-pci-msi: IOMMU map the MSI frame when needed

Hi Marc, On 02/18/2016 04:47 PM, Marc Zyngier wrote: > On 18/02/16 15:33, Eric Auger wrote: >> Hi Marc, >> On 02/18/2016 12:33 PM, Marc Zyngier wrote: >>> On Fri, 12 Feb 2016 08:13:17 + >>> Eric Auger wrote: >>> In case the msi_desc references a device attached to

Re: [RFC v3 07/15] iommu: iommu_get/put_single_reserved

On 18/02/16 16:42, Eric Auger wrote: > Hello, > On 02/18/2016 12:06 PM, Marc Zyngier wrote: >> On Fri, 12 Feb 2016 08:13:09 + >> Eric Auger wrote: >> >>> This patch introduces iommu_get/put_single_reserved. >>> >>> iommu_get_single_reserved allows to allocate a new

Re: [RFC v3 07/15] iommu: iommu_get/put_single_reserved

Hello, On 02/18/2016 12:06 PM, Marc Zyngier wrote: > On Fri, 12 Feb 2016 08:13:09 + > Eric Auger wrote: > >> This patch introduces iommu_get/put_single_reserved. >> >> iommu_get_single_reserved allows to allocate a new reserved iova page >> and map it onto the physical

Re: [RFC v3 05/15] iommu/arm-smmu: implement alloc/free_reserved_iova_domain

On Thu, 18 Feb 2016 11:09:17 + Robin Murphy wrote: > Hi Eric, > > On 12/02/16 08:13, Eric Auger wrote: > > Implement alloc/free_reserved_iova_domain for arm-smmu. we use > > the iova allocator (iova.c). The iova_domain is attached to the > > arm_smmu_domain struct. A

Re: [RFC v3 15/15] irqchip/gicv2m/v3-its-pci-msi: IOMMU map the MSI frame when needed

On 18/02/16 15:33, Eric Auger wrote: > Hi Marc, > On 02/18/2016 12:33 PM, Marc Zyngier wrote: >> On Fri, 12 Feb 2016 08:13:17 + >> Eric Auger wrote: >> >>> In case the msi_desc references a device attached to an iommu >>> domain, the msi address needs to be mapped in

Re: [RFC v3 15/15] irqchip/gicv2m/v3-its-pci-msi: IOMMU map the MSI frame when needed

Hi Marc, On 02/18/2016 12:33 PM, Marc Zyngier wrote: > On Fri, 12 Feb 2016 08:13:17 + > Eric Auger wrote: > >> In case the msi_desc references a device attached to an iommu >> domain, the msi address needs to be mapped in the IOMMU. Else any >> MSI write transaction

Re: [RFC v3 05/15] iommu/arm-smmu: implement alloc/free_reserved_iova_domain

Hi Robin, On 02/18/2016 12:09 PM, Robin Murphy wrote: > Hi Eric, > > On 12/02/16 08:13, Eric Auger wrote: >> Implement alloc/free_reserved_iova_domain for arm-smmu. we use >> the iova allocator (iova.c). The iova_domain is attached to the >> arm_smmu_domain struct. A mutex is introduced to

Re: [RFC v3 15/15] irqchip/gicv2m/v3-its-pci-msi: IOMMU map the MSI frame when needed

On Fri, 12 Feb 2016 08:13:17 + Eric Auger wrote: > In case the msi_desc references a device attached to an iommu > domain, the msi address needs to be mapped in the IOMMU. Else any > MSI write transaction will cause a fault. > > gic_set_msi_addr detects that case and

Re: [RFC v3 05/15] iommu/arm-smmu: implement alloc/free_reserved_iova_domain

Hi Eric, On 12/02/16 08:13, Eric Auger wrote: Implement alloc/free_reserved_iova_domain for arm-smmu. we use the iova allocator (iova.c). The iova_domain is attached to the arm_smmu_domain struct. A mutex is introduced to protect it. The IOMMU API currently leaves IOVA management entirely up

Re: [RFC v3 07/15] iommu: iommu_get/put_single_reserved

On Fri, 12 Feb 2016 08:13:09 + Eric Auger wrote: > This patch introduces iommu_get/put_single_reserved. > > iommu_get_single_reserved allows to allocate a new reserved iova page > and map it onto the physical page that contains a given physical address. > It returns

Re: [RFC v3 02/15] vfio: expose MSI mapping requirement through VFIO_IOMMU_GET_INFO

On Fri, 12 Feb 2016 08:13:04 + Eric Auger wrote: > This patch allows the user-space to retrieve whether msi write > transaction addresses must be mapped. This is returned through the > VFIO_IOMMU_GET_INFO API and its new flag: VFIO_IOMMU_INFO_REQUIRE_MSI_MAP. > >