Hi Henning,
On 11/06/2018 10:14 AM, Henning Schild wrote:
> Am Mon, 5 Nov 2018 17:32:40 +0100
> schrieb Andreas Messerschmid <andreas.messersch...@linutronix.de>:
>
>> Hi,
>>
>> I'm trying to bring úp an ivshmem-net based inter-cell-communication
>> on an Intel-Atom E3950 hardware running Jailhouse but I can't
>> discover any ivshmem-net virtual PCI devices in the RootCell. The
>> Hypervisor and Linux inmate are up and running fine and I can see the
>> ivshmem-net virtual PCI device in the inmate including the
>> appropriate network interface.
>>
>> The hypervisor console states the following:
>> Reserving 5 interrupt(s) for device 0100 at index 136
>> Adding PCI device 02:00.0 to cell "RootCell"
>> Reserving 5 interrupt(s) for device 0200 at index 141
>> Adding virtual PCI device 00:0a.0 to cell "RootCell"
>> Page pool usage after late setup: mem 393/15822, remap 65547/131072
>> Activating hypervisor
>> Removing PCI device 01:00.0 from cell "RootCell"
>> Freeing 5 interrupt(s) for device 0100 at index 136
>> Adding PCI device 01:00.0 to cell "inmate1"
>> Reserving 5 interrupt(s) for device 0100 at index 136
>> Adding virtual PCI device 00:0a.0 to cell "inmate1"
>> Shared memory connection established: "inmate1" <--> "RootCell"
>> Created cell "inmate1"
>
> All this looks fine to me, the two devices get added and the link gets
> established.
>
>> But the virtual PCI device 00:0a.0 is not discoverable in the
>> RootCell.
>
> I guess the interface does not appear, which could also be the driver
> not liking the device. What do lspci or browsing in /sys/bus/pci say?
neither lspci nor /sys/bus/pci/devices in the RootCell show the
'00:0a.0' device.
Andreas
>> My RootCell ivshmem config looks like this:
>> { /* IVSHMEM (networking rootcell <-> inmate1) */
>> .type = JAILHOUSE_PCI_TYPE_IVSHMEM,
>> .iommu = 1,
>> .domain = 0x0000,
>> .bdf = 0x0a << 3,
>> .bar_mask = {
>> 0xffffff00, 0xffffffff, 0x00000000,
>> 0x00000000, 0xffffffe0, 0xffffffff,
>> },
>> .num_msix_vectors = 1,
>> .shmem_region = 40,
>> .shmem_protocol = JAILHOUSE_SHMEM_PROTO_VETH,
>> },
>>
>> RootCell kernel config ist attached.
>>
>> Did anybody face such an issue before? Any hints?
>>
>> Best regards
>> Andreas
>>
>
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