XAPI HVM Platform Keys

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HVM Platform Keys

Xapi currently has certain defaults in terms of what hardware to emulate for HVM guests. Some of these are configurable through the VM record while others are not. They can be translated into command line options for qemu-dm. In other cases no option is added (falling back to qemu-dm defaults).

This page lists which platform keys are currently considered and they state.

Feature Current Status Desired Status Observations
Parallel Ports Ignored Configurable (in "platform:parallel") Xapi doesn't instruct qemu-dm at all, leaving it to the default (emulate LPT1). Using "-parallel none" causes qemu-dm not to emulate any parallel ports.
Serial Ports Configurable (in "other-config:hvm_serial") Configurable (in "platform:serial") Xapi passes "-serial pty" by default.