diff options
Diffstat (limited to 'docs/virtio-pmem.rst')
| -rw-r--r-- | docs/virtio-pmem.rst | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/docs/virtio-pmem.rst b/docs/virtio-pmem.rst index e77881b26f..4bf5d00443 100644 --- a/docs/virtio-pmem.rst +++ b/docs/virtio-pmem.rst @@ -27,17 +27,18 @@ virtio pmem usage ----------------- A virtio pmem device backed by a memory-backend-file can be created on - the QEMU command line as in the following example: + the QEMU command line as in the following example:: - -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G - -device virtio-pmem-pci,memdev=mem1,id=nv1 + -object memory-backend-file,id=mem1,share,mem-path=./virtio_pmem.img,size=4G + -device virtio-pmem-pci,memdev=mem1,id=nv1 - where: - - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>" - creates a backend file with the specified size. + where: - - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem - pci device whose storage is provided by above memory backend device. + - "object memory-backend-file,id=mem1,share,mem-path=<image>, size=<image size>" + creates a backend file with the specified size. + + - "device virtio-pmem-pci,id=nvdimm1,memdev=mem1" creates a virtio pmem + pci device whose storage is provided by above memory backend device. Multiple virtio pmem devices can be created if multiple pairs of "-object" and "-device" are provided. @@ -50,7 +51,7 @@ memory backing has to be added via 'object_add'; afterwards, the virtio pmem device can be added via 'device_add'. For example, the following commands add another 4GB virtio pmem device to -the guest: +the guest:: (qemu) object_add memory-backend-file,id=mem2,share=on,mem-path=virtio_pmem2.img,size=4G (qemu) device_add virtio-pmem-pci,id=virtio_pmem2,memdev=mem2 |