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Re: [XEN PATCH v10 07/24] xen/arm: ffa: add defines for framework direct request/response messages
- To: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Tue, 18 Jul 2023 09:33:11 +0000
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Wei Liu <wl@xxxxxxx>, Marc Bonnici <Marc.Bonnici@xxxxxxx>, Achin Gupta <Achin.Gupta@xxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>
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- Thread-topic: [XEN PATCH v10 07/24] xen/arm: ffa: add defines for framework direct request/response messages
Hi Jens,
> On 17 Jul 2023, at 09:20, Jens Wiklander <jens.wiklander@xxxxxxxxxx> wrote:
>
> According to DEN0077A version 1.1 REL0, section 18.3, Table 18.{21, 25,
> 26, 27, 28}, add defines for framework direct request/response messages.
>
> Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
> Reviewed-by: Henry Wang <Henry.Wang@xxxxxxx>
Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
Cheers
Bertrand
> ---
> xen/arch/arm/tee/ffa.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c
> index c1dead73d1f2..56a0a10c1e99 100644
> --- a/xen/arch/arm/tee/ffa.c
> +++ b/xen/arch/arm/tee/ffa.c
> @@ -57,6 +57,19 @@
> #define FFA_MY_VERSION MAKE_FFA_VERSION(FFA_MY_VERSION_MAJOR, \
> FFA_MY_VERSION_MINOR)
>
> +/*
> + * Flags and field values used for the MSG_SEND_DIRECT_REQ/RESP:
> + * BIT(31): Framework or partition message
> + * BIT(7-0): Message type for frameworks messages
> + */
> +#define FFA_MSG_FLAG_FRAMEWORK BIT(31, U)
> +#define FFA_MSG_TYPE_MASK 0xFFU;
> +#define FFA_MSG_PSCI 0x0U
> +#define FFA_MSG_SEND_VM_CREATED 0x4U
> +#define FFA_MSG_RESP_VM_CREATED 0x5U
> +#define FFA_MSG_SEND_VM_DESTROYED 0x6U
> +#define FFA_MSG_RESP_VM_DESTROYED 0x7U
> +
> /*
> * Flags to determine partition properties in FFA_PARTITION_INFO_GET return
> * message:
> --
> 2.34.1
>
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