On Fri, 2025-04-11 at 16:28 -0600, Alex Williamson wrote:
> > >
--- snip ---
> > > Cc: folks related to that commit.
> > >
> > > The original issue that brought us ram_device was a very obscure
> > > alignment of a memory region versus a device quirk only seen with
> > > assignment of specific RT
good to me.
Pretty much exactly matches what I did for rdma-core a while back.
> +
> +uint8_t s390x_pci_mmio_read_8(const void *ioaddr)
> +{
> +uint8_t val = 0;
> +
> +if (is_mio_supported) {
> +val = s390x_pcilgi(ioaddr, sizeof(val));
> +} else {
> +syscall(__NR_s390_pci_mmio_read, ioaddr, &val, sizeof(val));
> +}
> +return val;
> +}
> +
>
--- snip ---
> +
> +void s390x_pci_mmio_write_64(void *ioaddr, uint64_t val)
> +{
> +if (is_mio_supported) {
> +s390x_pcistgi(ioaddr, val, sizeof(val));
> +} else {
> +syscall(__NR_s390_pci_mmio_write, ioaddr, &val, sizeof(val));
> +}
> +}
> +
Thanks for the great work!
Reviewed-by: Niklas Schnelle
On Wed, 2025-04-02 at 11:51 -0400, Stefan Hajnoczi wrote:
> On Tue, Apr 01, 2025 at 10:22:43AM -0700, Farhan Ali wrote:
> > Hi,
> >
> > Recently on s390x we have enabled mmap support for vfio-pci devices [1].
>
> Hi Alex,
> I wanted to bring this to your attention. Feel free to merge it through
>
