mirror of https://gitee.com/openkylin/linux.git
58ded4201f
The existing KVM_CREATE_SPAPR_TCE only supports 32bit windows which is not enough for directly mapped windows as the guest can get more than 4GB. This adds KVM_CREATE_SPAPR_TCE_64 ioctl and advertises it via KVM_CAP_SPAPR_TCE_64 capability. The table size is checked against the locked memory limit. Since 64bit windows are to support Dynamic DMA windows (DDW), let's add @bus_offset and @page_shift which are also required by DDW. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paul Mackerras <paulus@samba.org> |
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