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@@ -27,17 +27,18 @@ virtio pmem usage
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-----------------
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A virtio pmem device backed by a memory-backend-file can be created on
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- the QEMU command line as in the following example:
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+ the QEMU command line as in the following example::
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- -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G
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- -device virtio-pmem-pci,memdev=mem1,id=nv1
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+ -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G
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+ -device virtio-pmem-pci,memdev=mem1,id=nv1
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- where:
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- - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>"
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- creates a backend file with the specified size.
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+ where:
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- - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem
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- pci device whose storage is provided by above memory backend device.
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+ - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>"
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+ creates a backend file with the specified size.
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+
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+ - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem
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+ pci device whose storage is provided by above memory backend device.
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Multiple virtio pmem devices can be created if multiple pairs of "-object"
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and "-device" are provided.
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@@ -50,7 +51,7 @@ memory backing has to be added via 'object_add'; afterwards, the virtio
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pmem device can be added via 'device_add'.
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For example, the following commands add another 4GB virtio pmem device to
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-the guest:
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+the guest::
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(qemu) object_add memory-backend-file,id=mem2,share=on,mem-path=virtio_pmem2.img,size=4G
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(qemu) device_add virtio-pmem-pci,id=virtio_pmem2,memdev=mem2
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