The existing VPCI support available for X86 is adapted for Arm.
When the device is added to XEN via the hyper call
“PHYSDEVOP_pci_device_add”, VPCI handler for the config space
access is added to the Xen to emulate the PCI devices config space.
A MMIO trap handler for the PCI ECAM space is registe
On Wed, 22 Sep 2021, Rahul Singh wrote:
> The existing VPCI support available for X86 is adapted for Arm.
> When the device is added to XEN via the hyper call
> “PHYSDEVOP_pci_device_add”, VPCI handler for the config space
> access is added to the Xen to emulate the PCI devices config space.
>
> A
Hi Stefano,
> On 23 Sep 2021, at 3:41 am, Stefano Stabellini wrote:
>
> On Wed, 22 Sep 2021, Rahul Singh wrote:
>> The existing VPCI support available for X86 is adapted for Arm.
>> When the device is added to XEN via the hyper call
>> “PHYSDEVOP_pci_device_add”, VPCI handler for the config spac
[snip]
>>> index d774a6154e..633e89ac13 100644
>>> --- a/xen/drivers/passthrough/pci.c
>>> +++ b/xen/drivers/passthrough/pci.c
>>> @@ -767,6 +767,18 @@ int pci_add_device(u16 seg, u8 bus, u8 devfn,
>>> else
>>> iommu_enable_device(pdev);
>>>
>>> +#ifdef CONFIG_ARM
>>> +/*
>>> +
On 23.09.2021 04:41, Stefano Stabellini wrote:
> On Wed, 22 Sep 2021, Rahul Singh wrote:
>> --- a/xen/drivers/passthrough/pci.c
>> +++ b/xen/drivers/passthrough/pci.c
>> @@ -767,6 +767,18 @@ int pci_add_device(u16 seg, u8 bus, u8 devfn,
>> else
>> iommu_enable_device(pdev);
>>
>> +#
On 22.09.2021 13:35, Rahul Singh wrote:
> @@ -623,7 +624,7 @@ int arch_sanitise_domain_config(struct
> xen_domctl_createdomain *config)
> unsigned int max_vcpus;
>
> /* HVM and HAP must be set. IOMMU may or may not be */
> -if ( (config->flags & ~XEN_DOMCTL_CDF_iommu) !=
> +if
Hi Jan
> On 24 Sep 2021, at 8:44 am, Jan Beulich wrote:
>
> On 22.09.2021 13:35, Rahul Singh wrote:
>> @@ -623,7 +624,7 @@ int arch_sanitise_domain_config(struct
>> xen_domctl_createdomain *config)
>> unsigned int max_vcpus;
>>
>> /* HVM and HAP must be set. IOMMU may or may not be */
