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Thanks. NOTE; ONLY SERIOUS / RELIABLE RECEIVERS CAN CONTACT. DM ME ON WHATSAPP +44 7529 555638 On Friday, July 14, 2023 at 7:29:31 AM UTC+1 Johnson Wang wrote: > Hi all, > > Recently I am working on porting jailhouse hypervisor onto arm64 platforms. > I've brought up the root-cell and also linux non-root cell. > > Now I want to make virtio-console work, I started to write my virtio B/E > framework by reference the demo code[1]. I'm pretty sure that the ivshmem > region is working > as virtio_ivshmem.c finishes its .probe() callback, and virtio_console.c > has registered a hvc0 node. My virtio B/E can R/W the ivshmem region > properly. > > However, I noticed that when virtio_ivshmem.c calls > vring_create_virtqueue() to allocate virtqueue structure, it uses inmate > private memory to allocate it, which is inaccessible for root-cell. For > example, the inmate memory is starting from 0x1d0c00000 and virtqueue > structure is starting from 0x1d29be000. The virtqueue structure is > allocated inside the inmate memory, not shared memory. This means that > virtio B/E fails to retrieve the vring infomations. > > Is it possible for root-cell to access inmate memory? > or create virtqueue in the ivshemem region that is accessible for > root-cell? > Does jailhouse have any MMU translation mechanism? > > Please give me some suggestion. Thanks for watching this. > > > [1] > https://git.kiszka.org/?p=linux.git;a=commit;h=b6a3ec1cee44b986b556b60ed2368d0da1faca51 > > -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/38566a76-8dfa-4bfb-8fb3-5f365e891c61n%40googlegroups.com.
