linux-kernel - Re: [PATCH v9 07/21] virt: geniezone: Add vm capability check

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Date: Thu, 1 Feb 2024 10:44:10 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Yi-De Wu <yi-de.wu@...iatek.com>,
 Yingshiuan Pan <yingshiuan.pan@...iatek.com>,
 Ze-Yu Wang <ze-yu.wang@...iatek.com>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Jonathan Corbet <corbet@....net>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Richard Cochran <richardcochran@...il.com>,
 Matthias Brugger <matthias.bgg@...il.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
 David Bradil <dbrazdil@...gle.com>, Trilok Soni <quic_tsoni@...cinc.com>,
 My Chuang <my.chuang@...iatek.com>, Shawn Hsiao <shawn.hsiao@...iatek.com>,
 PeiLun Suei <peilun.suei@...iatek.com>,
 Liju Chen <liju-clr.chen@...iatek.com>,
 Willix Yeh <chi-shen.yeh@...iatek.com>,
 Kevenny Hsieh <kevenny.hsieh@...iatek.com>
Subject: Re: [PATCH v9 07/21] virt: geniezone: Add vm capability check

Il 29/01/24 09:32, Yi-De Wu ha scritto:
> From: "Yingshiuan Pan" <yingshiuan.pan@...iatek.com>
> 
> Inquire the `capability support` on GenieZone hypervisor.
> Example:
> `GZVM_CAP_PROTECTED_VM` or `GZVM_CAP_VM_GPA_SIZE`.
> 
> Signed-off-by: Yingshiuan Pan <yingshiuan.pan@...iatek.com>
> Signed-off-by: Jerry Wang <ze-yu.wang@...iatek.com>
> Signed-off-by: kevenny hsieh <kevenny.hsieh@...iatek.com>
> Signed-off-by: Liju Chen <liju-clr.chen@...iatek.com>
> Signed-off-by: Yi-De Wu <yi-de.wu@...iatek.com>
> ---
>   arch/arm64/geniezone/gzvm_arch_common.h |   2 +
>   arch/arm64/geniezone/vm.c               | 122 ++++++++++++++++++++++++
>   drivers/virt/geniezone/gzvm_main.c      |  27 ++++++
>   drivers/virt/geniezone/gzvm_vm.c        |  21 ++++
>   include/linux/gzvm_drv.h                |   5 +
>   include/uapi/linux/gzvm.h               |  31 ++++++
>   6 files changed, 208 insertions(+)
> 
> diff --git a/arch/arm64/geniezone/gzvm_arch_common.h b/arch/arm64/geniezone/gzvm_arch_common.h
> index 2f66e496dfae..383af0829f11 100644
> --- a/arch/arm64/geniezone/gzvm_arch_common.h
> +++ b/arch/arm64/geniezone/gzvm_arch_common.h
> @@ -13,6 +13,7 @@ enum {
>   	GZVM_FUNC_DESTROY_VM = 1,
>   	GZVM_FUNC_SET_MEMREGION = 4,
>   	GZVM_FUNC_PROBE = 12,
> +	GZVM_FUNC_ENABLE_CAP = 13,

GZVM_FUNC_PROBE  = 12,
GZVM_FUNC_ENABLE_CAP,

>   	NR_GZVM_FUNC,
>   };
>   

Regards,
Angelo