Allow changing of CPUs, Memory, and Disk Size

Allow podman machine set to change CPUs, Memory and Disk size of a QEMU machine after its been created.
Disk size can only be increased.

If one setting fails to be changed, the other settings will still be applied.

Signed-off-by: Ashley Cui <acui@redhat.com>

1 files changed, 16 insertions, 4 deletions

diff --git a/docs/source/markdown/podman-machine-set.1.md b/docs/source/markdown/podman-machine-set.1.md
index a4918eacf..de90ee4b0 100644
--- a/docs/source/markdown/podman-machine-set.1.md
+++ b/docs/source/markdown/podman-machine-set.1.md
@@ -8,17 +8,29 @@ podman\-machine\-set - Sets a virtual machine setting
 
 ## DESCRIPTION
 
-Sets an updatable virtual machine setting.
-
-Options mirror values passed to `podman machine init`. Only a limited
-subset can be changed after machine initialization.
+Change a machine setting.
 
 ## OPTIONS
 
+#### **--cpus**=*number*
+
+Number of CPUs.
+Only supported for QEMU machines.
+
+#### **--disk-size**=*number*
+
+Size of the disk for the guest VM in GB.
+Can only be increased. Only supported for QEMU machines.
+
 #### **--help**
 
 Print usage statement.
 
+#### **--memory**, **-m**=*number*
+
+Memory (in MB).
+Only supported for QEMU machines.
+
 #### **--rootful**=*true|false*
 
 Whether this machine should prefer rootful (`true`) or rootless (`false`)