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Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control o
From: |
Jan Beulich |
Subject: |
Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register |
Date: |
Mon, 08 Jun 2015 12:44:00 +0100 |
>>> On 08.06.15 at 13:28, <address@hidden> wrote:
> On Mon, Jun 08, 2015 at 11:55:22AM +0100, Jan Beulich wrote:
>> But you asking this made me look more closely at the
>> memory ranges dumped out to the ITP log: The root port has
>>
>> 0x20: Memory Base = 0xca40
>> 0x22: Memory Limit = 0xca40
>> 0x24: Prefetchable Mem Base = 0xca21
>> 0x26: Prefetchable Mem Limit = 0xca21
>>
>> while function 0 has
>>
>> 0x10: Base Address Register 0 = 0xca23000c (Memory space, 64-bit access,
> prefetchable)
>> 0x18: Base Address Register 2 = 0xca24000c (Memory space, 64-bit access,
> prefetchable)
>> 0x20: Base Address Register 4 = 0xca25000c (Memory space, 64-bit access,
> prefetchable)
>>
>> and function 1
>>
>> 0x10: Base Address Register 0 = 0xca20000c (Memory space, 64-bit access,
> prefetchable)
>> 0x18: Base Address Register 2 = 0xca21000c (Memory space, 64-bit access,
> prefetchable)
>
> And what is the size of this BAR?
Sadly I don't seem have a matching pair of kernel and ITP logs, so I
can only guess that it's 64k (or less).
Jan
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, (continued)
Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Malcolm Crossley, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Jan Beulich, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Jan Beulich, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register,
Jan Beulich <=
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Jan Beulich, 2015/06/10
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Michael S. Tsirkin, 2015/06/10
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Jan Beulich, 2015/06/10
- Re: [Qemu-devel] [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register, Michael S. Tsirkin, 2015/06/10