Hi Vijay, On 31/08/2015 12:06, vijay.kil...@gmail.com wrote:
diff --git a/xen/arch/arm/vgic-v3-its.c b/xen/arch/arm/vgic-v3-its.c index 6334ca3..328c4db 100644 --- a/xen/arch/arm/vgic-v3-its.c +++ b/xen/arch/arm/vgic-v3-its.c @@ -885,6 +885,39 @@ static const struct mmio_handler_ops vgic_gits_mmio_handler = { .write_handler = vgic_v3_gits_mmio_write, };+/* + * Map the 64K ITS translation space in guest. + * This is required purely for device smmu writes. +*/ + +static int vits_map_translation_space(struct domain *d) +{ + uint64_t addr, size; + int ret; + + ASSERT(is_domain_direct_mapped(d)); + + addr = d->arch.vgic.vits->gits_base + SZ_64K; + size = SZ_64K; + + /* Using 1:1 mapping to map translation space */ + /* TODO: Handle DomU mapping */
I would have expected a summary of the discussion we had on the previous version of this patch [1] here.
This is in order to remember what needs to be done before we effectively implement ITS support for guest.
Regards, [1] http://lists.xen.org/archives/html/xen-devel/2015-08/msg01704.html -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
