Add function copy_dev_tables to copy old DTE of the 1st kernel to
the new DTE table. Since all iommu share the same DTE table the
copy only need be done once as long as the physical address of
old DTE table is retrieved from iommu reg. Besides the old domain
id occupied in 1st kernel need be reserv
Original Message
Add function copy_dev_tables to copy old DTE of the 1st kernel to
the new DTE table. Since all iommu share the same DTE table the
copy only need be done once as long as the physical address of
old DTE table is retrieved from iommu reg. Besides the old domain
i
On 05/28/16 at 09:08pm, Wan Zongshun wrote:
> >+static int copy_dev_tables(void)
> >+{
> >+u64 entry;
> >+u32 lo, hi, devid;
> >+phys_addr_t old_devtb_phys;
> >+struct dev_table_entry *old_devtb;
> >+u16 dom_id, dte_v;
> >+struct amd_iommu *iommu;
> >+static int copied;
