[PATCH v5 04/12] virt: geniezone: Add vcpu support
Rob Herring
robh at kernel.org
Fri Aug 11 10:00:54 PDT 2023
On Thu, Jul 27, 2023 at 03:59:57PM +0800, Yi-De Wu wrote:
> From: "Yingshiuan Pan" <yingshiuan.pan at mediatek.com>
>
> VMM use this interface to create vcpu instance which is a fd, and this
> fd will be for any vcpu operations, such as setting vcpu registers and
> accepts the most important ioctl GZVM_VCPU_RUN which requests GenieZone
> hypervisor to do context switch to execute VM's vcpu context.
>
> Signed-off-by: Yingshiuan Pan <yingshiuan.pan at mediatek.com>
> Signed-off-by: Jerry Wang <ze-yu.wang at mediatek.com>
> Signed-off-by: Liju Chen <liju-clr.chen at mediatek.com>
> Signed-off-by: Yi-De Wu <yi-de.wu at mediatek.com>
> ---
> arch/arm64/geniezone/Makefile | 2 +-
> arch/arm64/geniezone/gzvm_arch_common.h | 20 ++
> arch/arm64/geniezone/vcpu.c | 88 +++++++++
> arch/arm64/geniezone/vm.c | 11 ++
> arch/arm64/include/uapi/asm/gzvm_arch.h | 30 +++
I'm almost certain that the arm64 maintainers will reject putting this
here. What is the purpose of the split with drivers/virt/? Do you plan
to support another arch in the near future?
Yes, there's KVM stuff in arch/arm64, but that is multi-arch.
> drivers/virt/geniezone/Makefile | 3 +-
> drivers/virt/geniezone/gzvm_vcpu.c | 250 ++++++++++++++++++++++++
> drivers/virt/geniezone/gzvm_vm.c | 5 +
> include/linux/gzvm_drv.h | 21 ++
> include/uapi/linux/gzvm.h | 136 +++++++++++++
> 10 files changed, 564 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm64/geniezone/vcpu.c
> create mode 100644 drivers/virt/geniezone/gzvm_vcpu.c
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