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Subject[RFC PATCH 0/3] arch/x86: Add the support of ACRN hypervisor under arch/x86
Date
ACRN is a flexible, lightweight reference hypervisor, built with real-time
and safety-criticality in mind, optimized to streamline embedded development
through an open source platform. It is built for embedded IOT with small
footprint and real-time features. More details can be found
in https://projectacrn.org/

This is the patch set that allows the Linux to work on ACRN hypervisor and it can
work with the following patch set to manage the Linux guest on acrn-hypervisor. It
includes the detection of acrn_hypervisor, upcall notification vector from
hypervisor, hypercall. The hypervisor detection is similar to Xen/VMWARE/Hyperv.
ACRN also uses the upcall notification mechanism similar to that in Xen/Microsoft
HyperV when it needs to send the notification to Linux OS. The hypercall provides
the mechanism that can be used to query/configure the acrn-hypervisor by Linux guest.

Following this patch set, we will send acrn driver part, which provides the interface
that can be used to manage the virtualized CPU/memory/device/interrupt for other guest
OS after the acrn hypervisor is detected.

Zhao Yakui (3):
arch/x86: add ACRN hypervisor guest
arch/x86/acrn: Use HYPERVISOR_CALLBACK_VECTOR for Acrn upcall vector
arch/x86/acrn: add hypercall for acrn_hypervisor

arch/x86/Kconfig | 8 ++++
arch/x86/entry/entry_64.S | 5 +++
arch/x86/include/asm/acrn_hypercall.h | 85 +++++++++++++++++++++++++++++++++++
arch/x86/include/asm/acrnhyper.h | 18 ++++++++
arch/x86/include/asm/hardirq.h | 2 +-
arch/x86/include/asm/hypervisor.h | 1 +
arch/x86/kernel/cpu/Makefile | 1 +
arch/x86/kernel/cpu/acrn.c | 75 +++++++++++++++++++++++++++++++
arch/x86/kernel/cpu/hypervisor.c | 4 ++
arch/x86/kernel/irq.c | 2 +-
10 files changed, 199 insertions(+), 2 deletions(-)
create mode 100644 arch/x86/include/asm/acrn_hypercall.h
create mode 100644 arch/x86/include/asm/acrnhyper.h
create mode 100644 arch/x86/kernel/cpu/acrn.c

--
2.7.4

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