acrn-hypervisor/doc/glossary.rst

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.. _glossary:
Glossary of Terms
#################
.. glossary::
:sorted:
API
Application Program Interface: A defined set of routines and protocols for
building application software.
ACPI
Advanced Configuration and Power Interface
BIOS
Basic Input/Output System.
GPU
Graphics Processing Unit
I2C
Inter-Integrated Circuit
IC
Instrument Cluster
IVE
In-Vehicle Experience
IVI
In-vehicle Infotainment
OS
Operating System
OSPM
Operating System Power Management
PCI
Peripheral Component Interface.
PM
Power Management
Pass-Through Devices
Physical devices (typically PCI) exclusively assigned to a guest. In
the Project ACRN architecture, pass-through devices are owned by the
foreground OS.
PV
Para-virtualization (See
https://en.wikipedia.org/wiki/Paravirtualization)
RSE
Rear Seat Entertainment
SDC
Software Defined Cockpit
SOS
Service OS
UEFI
Unified Extensible Firmare Interface. UEFI replaces the
traditional BIOS on PCs, while also providing BIOS emulation for
backward compatibility. UEFI can run in 32-bit or 64-bit mode and, more
important, support Secure Boot, checking the OS validity to ensure no
malware has tampered with the boot process.
UOS
User OS (also known as Guest OS)
VHM
Virtio and Hypervisor Service Module
VM
Virtual Machine
VMM
Virtual Machine Monitor
VMX
Virtual Machine Extension
Virtio-BE
Back-End, VirtIO framework provides front-end driver and back-end driver
for IO mediators, developer has habit of using Shorthand. So they say
Virtio-BE and Virtio-FE
Virtio-FE
Front-End, VirtIO framework provides front-end driver and back-end
driver for IO mediators, developer has habit of using Shorthand. So
they say Virtio-BE and Virtio-FE
VT
Intel Virtualization Technology
VT-d
Virtualization Technology for Directed I/O
IDT
Interrupt Descriptor Table: a data structure used by the x86
architecture to implement an interrupt vector table. The IDT is used
to determine the correct response to interrupts and exceptions.
ISR
Interrupt Service Routine: Also known as an interrupt handler, an ISR
is a callback function whose execution is triggered by a hardware
interrupt (or software interrupt instructions) and is used to handle
high-priority conditions that require interrupting the current code
executing on the processor.