On Tue, Jul 24, 2018 at 03:09:20PM +0800, Ming Huang wrote:
> Select without SMMU iort while SMMU item is disable,
> Select with SMMU iort while SMMU item is enable.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ming Huang <[email protected]>
> Signed-off-by: Heyi Guo <[email protected]>
> ---
> Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c | 81
> ++++++++++++++++++++
> 1 file changed, 81 insertions(+)
>
> diff --git a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> index 32878ca4f9..4f0998dd24 100644
> --- a/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> +++ b/Silicon/Hisilicon/Drivers/HisiAcpiPlatformDxe/UpdateAcpiTable.c
> @@ -24,6 +24,83 @@
>
> #define CORECOUNT(X) ((X) * CORE_NUM_PER_SOCKET)
>
> +#define FIELD_IORT_NODE_OFFSET 40
> +
> +typedef enum {
> + NodeTypeIts = 0,
> + NodeTypeNameComponent,
> + NodeTypePciRC,
> + NodeTypeSmmuV1,
> + NodeTypeSmmuV3,
> + NodeTypePMCG
> +} IORT_NODE_TYPE;
> +
> +#pragma pack(1)
> +typedef struct {
> + UINT8 Type;
> + UINT16 Length;
> + UINT8 Revision;
> + UINT32 Reserved;
> + UINT32 IdMapNumber;
> + UINT32 IdArrayOffset;
> +} IORT_NODE_HEAD;
> +#pragma pack()
> +
> +BOOLEAN
> +IsIortWithSmmu (
> + IN EFI_ACPI_DESCRIPTION_HEADER *TableHeader
> + )
> +{
> + UINT32 *NodeOffset;
> + UINT32 NextOffset;
> + IORT_NODE_HEAD *Node;
> +
> + NodeOffset = (UINT32 *)((UINT8 *)TableHeader + FIELD_IORT_NODE_OFFSET);
> + NextOffset = *NodeOffset;
> +
> + while (NextOffset < TableHeader->Length) {
> + Node = (IORT_NODE_HEAD *)((UINT8 *)TableHeader + NextOffset);
> + NextOffset += Node->Length;
> +
> + if ((Node->Type == NodeTypeSmmuV1) || (Node->Type == NodeTypeSmmuV3)) {
> + return TRUE;
> + }
> + }
> +
> + return FALSE;
> +}
> +
> +EFI_STATUS
> +SelectIort (
> + IN EFI_ACPI_DESCRIPTION_HEADER *TableHeader
> + )
> +{
> + EFI_STATUS Status;
> + UINTN Size;
> + OEM_CONFIG_DATA Configuration;
> +
> + Configuration.EnableSmmu = 0;
> + Size = sizeof (OEM_CONFIG_DATA);
> + Status = gRT->GetVariable (OEM_CONFIG_NAME, &gOemConfigGuid, NULL, &Size,
> &Configuration);
Wrap long line.
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "Get OemConfig variable (%r).\n", Status));
> + }
> +
> + Status = EFI_SUCCESS;
> + if (IsIortWithSmmu (TableHeader)) {
> + if (!Configuration.EnableSmmu) {
> + Status = EFI_ABORTED;
> + }
> + } else {
> + if (Configuration.EnableSmmu) {
> + Status = EFI_ABORTED;
> + }
> + }
> + DEBUG ((DEBUG_INFO, "SmmuEnable=%x, return %r for Iort table.\n",
> Configuration.EnableSmmu, Status));
Wrap long line.
/
Leif
> +
> + return Status;
> +}
> +
> STATIC
> VOID
> RemoveUnusedMemoryNode (
> @@ -151,6 +228,10 @@ UpdateAcpiTable (
> case EFI_ACPI_6_0_SYSTEM_LOCALITY_INFORMATION_TABLE_SIGNATURE:
> Status = UpdateSlit (TableHeader);
> break;
> +
> + case EFI_ACPI_6_2_IO_REMAPPING_TABLE_SIGNATURE:
> + Status = SelectIort (TableHeader);
> + break;
> case EFI_ACPI_6_2_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE:
> Status = IsNeedSpcr (TableHeader);
> break;
> --
> 2.17.0
>
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