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Re: [RFC PATCH 02/19] arm/gicv4-its: Add GICv4 ITS command definitions


  • To: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>
  • From: Mykola Kvach <xakep.amatop@xxxxxxxxx>
  • Date: Wed, 11 Feb 2026 10:28:25 +0200
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  • Delivery-date: Wed, 11 Feb 2026 08:28:42 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Mon, Feb 2, 2026 at 6:14 PM Mykyta Poturai <Mykyta_Poturai@xxxxxxxx> wrote:
>
> Add definitions for GICv4 specific ITS commands.
>
> Signed-off-by: Mykyta Poturai <mykyta_poturai@xxxxxxxx>
> ---
>  xen/arch/arm/include/asm/gic_v4_its.h | 41 +++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
>  create mode 100644 xen/arch/arm/include/asm/gic_v4_its.h
>
> diff --git a/xen/arch/arm/include/asm/gic_v4_its.h 
> b/xen/arch/arm/include/asm/gic_v4_its.h
> new file mode 100644
> index 0000000000..f48eae60ad
> --- /dev/null
> +++ b/xen/arch/arm/include/asm/gic_v4_its.h
> @@ -0,0 +1,41 @@
> +/*
> + * ARM GICv4 ITS support
> + *
> + * Penny Zheng <penny.zheng@xxxxxxx>
> + * Copyright (c) 2023 ARM Ltd.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; under version 2 of the License.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#ifndef __ASM_ARM_GICV4_ITS_H__
> +#define __ASM_ARM_GICV4_ITS_H__
> +
> +#define GITS_CMD_VMOVI                   0x21
> +#define GITS_CMD_VMOVP                   0x22
> +#define GITS_CMD_VSGI                    0x23

nit: This looks unrelated to the changes in this series
      no vSGI handling in this series

Best regards,
Mykola


> +#define GITS_CMD_VSYNC                   0x25
> +#define GITS_CMD_VMAPP                   0x29
> +#define GITS_CMD_VMAPTI                  0x2a
> +#define GITS_CMD_VINVALL                 0x2d
> +#define GITS_CMD_INVDB                   0x2e
> +
> +#endif
> +
> +/*
> + * Local variables:
> + * mode: C
> + * c-file-style: "BSD"
> + * c-basic-offset: 4
> + * indent-tabs-mode: nil
> + * End:
> + */
> --
> 2.51.2



 


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