On 2014/9/12 10:10, Jiang Liu wrote:
> Finally enhance pci_root driver to support DMAR device hotplug when
> hot-plugging PCI host bridges.
Reviewed-by: Yijing Wang
>
> Signed-off-by: Jiang Liu
> ---
> drivers/acpi/pci_root.c | 16 ++--
> 1 file changed, 14 insertions(+), 2 dele
On 2014/9/12 10:10, Jiang Liu wrote:
> Implement required callback functions for intel-iommu driver
> to support DMAR unit hotplug.
>
Reviewed-by: Yijing Wang
> Signed-off-by: Jiang Liu
> ---
> drivers/iommu/intel-iommu.c | 206
> +++
> 1 file changed
On Sunday 14 September 2014, Varun Sethi wrote:
> "master-id-bits" property added to the IOMMU device node. This property can
> be used by the IOMMU driver to match relevan bits in the master id expressed
> by a DMA master.
>
> This can be used to mask out certain bits that get added to the device
On 2014/9/12 10:10, Jiang Liu wrote:
> Enhance error recovery in function intel_enable_irq_remapping()
> by tearing down all created data structures.
>
> Signed-off-by: Jiang Liu
> ---
> drivers/iommu/intel_irq_remapping.c |8 +---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> d
> +static void ir_remove_ioapic_hpet_scope(struct intel_iommu *iommu)
> +{
> + int i;
>
> - ir_parse_one_hpet_scope(scope, iommu);
> - }
> - start += scope->length;
> - }
> + for (i = 0; i < MAX_HPET_TBS; i++)
> + if (ir_hpet[i].
On 2014/9/12 10:10, Jiang Liu wrote:
> According to Intel VT-d specification, _DSM method to support DMAR
> hotplug should exist directly under corresponding ACPI object
> representing PCI host bridge. But some BIOSes doesn't conform to
> this, so search for _DSM method in the subtree starting from
On 2014/9/12 10:10, Jiang Liu wrote:
> On Intel platforms, an IO Hub (PCI/PCIe host bridge) may contain DMAR
> units, so we need to support DMAR hotplug when supporting PCI host
> bridge hotplug on Intel platforms.
>
> According to Section 8.8 "Remapping Hardware Unit Hot Plug" in "Intel
> Virtual
"master-id-bits" property added to the IOMMU device node. This property can
be used by the IOMMU driver to match relevan bits in the master id expressed
by a DMA master.
This can be used to mask out certain bits that get added to the device master id
due to IOMMU topology. For example, in case of
