Re: [PATCH v1] MdePkg: SMMUv3 updates for IORT table definitions

[Ard Biesheuvel <ard.biesheuvel@linaro.org>]

On 5 March 2018 at 14:53, Sami Mujawar <sami.mujawar@arm.com> wrote:
> Updated the IORT SMMUv3 Node structure and flags to match the
> IO Remapping Table, Platform Design Document, Revision C dated
> 15 MAY 2017.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

> ---
>
> The changes can be seen at https://github.com/samimujawar/edk2/tree/236_ioremapping_header_v1
>
> Notes:
>     v1:
>     - Updated SMMUv3 node structure and associated flags. [SAMI]
>
>  MdePkg/Include/IndustryStandard/IoRemappingTable.h | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/MdePkg/Include/IndustryStandard/IoRemappingTable.h b/MdePkg/Include/IndustryStandard/IoRemappingTable.h
> index c113afdd27843111bc7ad6e1de1108260fad2bbc..2e5cb45d7e2ffd4a0559ef706b71874843e3fdbd 100644
> --- a/MdePkg/Include/IndustryStandard/IoRemappingTable.h
> +++ b/MdePkg/Include/IndustryStandard/IoRemappingTable.h
> @@ -4,6 +4,7 @@
>    http://infocenter.arm.com/help/topic/com.arm.doc.den0049c/DEN0049C_IO_Remapping_Table.pdf
>
>    Copyright (c) 2017, Linaro Limited. All rights reserved.<BR>
> +  Copyright (c) 2018, ARM Limited. All rights reserved.<BR>
>
>    This program and the accompanying materials
>    are licensed and made available under the terms and conditions of the BSD License
> @@ -53,6 +54,11 @@
>
>  #define EFI_ACPI_IORT_SMMUv3_FLAG_COHAC_OVERRIDE    BIT0
>  #define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE     BIT1
> +#define EFI_ACPI_IORT_SMMUv3_FLAG_PROXIMITY_DOMAIN  BIT3
> +
> +#define EFI_ACPI_IORT_SMMUv3_MODEL_GENERIC          0x0
> +#define EFI_ACPI_IORT_SMMUv3_MODEL_HISILICON_HI161X 0x1
> +#define EFI_ACPI_IORT_SMMUv3_MODEL_CAVIUM_CN99XX    0x2
>
>  #define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_UNSUPPORTED  0x0
>  #define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_SUPPORTED    0x1
> @@ -165,7 +171,7 @@ typedef struct {
>  } EFI_ACPI_6_0_IO_REMAPPING_SMMU_NODE;
>
>  ///
> -/// Node type 4: SMMUv4 node
> +/// Node type 4: SMMUv3 node
>  ///
>  typedef struct {
>    EFI_ACPI_6_0_IO_REMAPPING_NODE          Node;
> @@ -179,6 +185,9 @@ typedef struct {
>    UINT32                                  Pri;
>    UINT32                                  Gerr;
>    UINT32                                  Sync;
> +  UINT8                                   ProximityDomain;
> +  UINT8                                   Reserved1[3];
> +  UINT32                                  DeviceIdMappingIndex;
>  } EFI_ACPI_6_0_IO_REMAPPING_SMMU3_NODE;
>
>  ///
> --
> 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
>
>