Re: [RESEND] Multiple SMMUv3 instances on PCI Bus and PCI Host Bridge

2021-06-08 Thread Nicolin Chen
Hi Eric, Thanks for the reply! On Mon, Jun 07, 2021 at 11:19:39AM +0200, Eric Auger wrote: > > So I started to have questions in my mind: > > (1) Can PCI host bridge (PCIE.128) add to a different vSMMU without > > following PCIE.0's SMMU setup? > changes need to be made in hw/arm/virt.c >

Re: [RESEND] Multiple SMMUv3 instances on PCI Bus and PCI Host Bridge

2021-06-07 Thread Eric Auger
Hi, On 6/5/21 1:16 AM, Nicolin Chen wrote: > (Resending as my previous mail didn't go through mailing lists) > > Hello Eric, Yubo, and other QEMU developers, > > I am having a problem with links between vSMMU and PCI Host Bridge, > using ARM-VIRT (64-bit; ACPI) + SMMUv3 (nested translation) setup.

Multiple SMMUv3 instances on PCI Bus and PCI Host Bridge

2021-06-04 Thread Nicolin Chen
Hello Eric, Yubo, and other QEMU developers, I am having a problem with links between vSMMU and PCI Host Bridge, using ARM-VIRT (64-bit; ACPI) + SMMUv3 (nested translation) setup. Firstly, I am very new to the areas of QEMU, PCI and ACPI. So some of my thoughts/ideas below might not sound very

[RESEND] Multiple SMMUv3 instances on PCI Bus and PCI Host Bridge

2021-06-04 Thread Nicolin Chen
(Resending as my previous mail didn't go through mailing lists) Hello Eric, Yubo, and other QEMU developers, I am having a problem with links between vSMMU and PCI Host Bridge, using ARM-VIRT (64-bit; ACPI) + SMMUv3 (nested translation) setup. Firstly, I am very new to the areas of QEMU, PCI