Chen Qun 0b0e6d7454 vfio/migration: Add support for manual clear vfio dirty log
The new capability VFIO_DIRTY_LOG_MANUAL_CLEAR and the new ioctl
VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP_NOCLEAR and
VFIO_IOMMU_DIRTY_PAGES_FLAG_CLEAR_BITMAP have been introduced in
the kernel, tweak the userspace side to use them.

Check if the kernel supports VFIO_DIRTY_LOG_MANUAL_CLEAR and
provide the log_clear() hook for vfio_memory_listener. If the
kernel supports it, deliever the clear message to kernel.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
Signed-off-by: imxcc <xingchaochao@huawei.com>
(cherry picked from commit eb15c358d8310a03e5eb4cf957f30314fa41d4a0)
2022-03-19 14:42:31 +08:00
2019-11-06 19:50:55 +08:00
2019-09-30 11:15:46 -04:00
2019-09-30 11:15:46 -04:00
2022-03-19 14:31:23 +08:00
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