Not well documented in qemu-system(1), but if you want to have an SMBios name like: “VMware, Inc”, then you need to set it as:
kvm -smbios type=1,manufacturer="VMware,, Inc.",product="VMware Virtual
Platform",version="None",serial="VMware-77 bb aa bb cc dd ee ff-11 22 33 44
55 66 77 88"
This results in something like:
in your dmidecode, which you may need if you are moving from VMware to another platform, and have things inside that care.