Re: [Xen-devel] [PATCH v5 06/10] arm: smccc: handle SMCs according to SMCCC

[Julien Grall <julien.grall@xxxxxxx>]

Hi Volodymyr,

On 08/31/2017 09:09 PM, Volodymyr Babchuk wrote:
> diff --git a/xen/include/public/arch-arm/smccc.h 
> b/xen/include/public/arch-arm/smccc.h
> new file mode 100644
> index 0000000..a1d00ae
> --- /dev/null
> +++ b/xen/include/public/arch-arm/smccc.h
> @@ -0,0 +1,58 @@
> +/*
> + * smccc.h
> + *
> + * SMC/HVC interface in accordance with SMC Calling Convention.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a copy
> + * of this software and associated documentation files (the "Software"), to
> + * deal in the Software without restriction, including without limitation the
> + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the Software is
> + * furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + *
> + * Copyright 2017 (C) EPAM Systems
> + */
> +
> +#ifndef __XEN_PUBLIC_ARCH_ARM_SMCCC_H__
> +#define __XEN_PUBLIC_ARCH_ARM_SMCCC_H__
> +
> +#include "public/xen.h"
> +
> +/*
> + * Hypervisor Service version.
> + *
> + * We can't use XEN version here, because of SMCCC requirements:
> + * Major revision should change every time SMC/HVC function is removed.
> + * Minor revision should change every time SMC/HVC function is added.
> + * So, it is SMCCC protocol revision code, not XEN version.
> + *
> + * Those values are subjected to change, when interface will be extended.
> + */
> +#define XEN_SMCCC_MAJOR_REVISION 0
> +#define XEN_SMCCC_MINOR_REVISION 1
> +
> +/* Hypervisor Service UID. Randomly generated with uuidgen. */
> +#define XEN_SMCCC_UID XEN_DEFINE_UUID(0xa71812dc, 0xc698, 0x4369, 0x9acf, \
> +                                     0x79, 0xd1, 0x8d, 0xde, 0xe6, 0x67)
The indentation looks wrong here.

> +
> +#endif /* __XEN_PUBLIC_ARCH_ARM_SMCCC_H__ */
> +
> +/*
> + * Local variables:
> + * mode: C
> + * c-file-style: "BSD"
> + * c-basic-offset: 4
> + * indent-tabs-mode: nil
> + * End:b
> + */
Cheers,

--
Julien Grall

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