diff options
Diffstat (limited to 'ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/VTd.h')
-rw-r--r-- | ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/VTd.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/VTd.h b/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/VTd.h new file mode 100644 index 0000000..2d9daa4 --- /dev/null +++ b/ReferenceCode/Chipset/SystemAgent/SaInit/Dxe/VTd.h @@ -0,0 +1,70 @@ +/** @file + This code provides a initialization of intel VT-d (Virtualization Technology for Directed I/O). + +@copyright + Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved + This software and associated documentation (if any) is furnished + under a license and may only be used or copied in accordance + with the terms of the license. Except as permitted by such + license, no part of this software or documentation may be + reproduced, stored in a retrieval system, or transmitted in any + form or by any means without the express written consent of + Intel Corporation. + + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement +**/ +#ifndef _VT_D_H_ +#define _VT_D_H_ + +/// +/// Include files +/// +#include "DmaRemappingTable.h" +#include "SaAccess.h" +#include "PchAccess.h" + +#include EFI_PROTOCOL_DEPENDENCY (AcpiTable) +#include EFI_PROTOCOL_DEFINITION (SaPlatformPolicy) +#include EFI_PROTOCOL_DEFINITION (PchPlatformPolicy) + +/// +/// SA ACPI table data storage file +/// +#include EFI_GUID_DEFINITION (SaAcpiTableStorage) + +#define VTD_ECAP_REG 0x10 +#define IR BIT3 + +#define VTD_GCMD_REG 0x18 +#define QIE BIT26 +#define IRE BIT25 + +EFI_STATUS +VtdInit ( + IN DXE_PLATFORM_SA_POLICY_PROTOCOL *DxePlatformSaPolicy + ) +/** + Locate the VT-d ACPI tables data file and read ACPI SSDT tables. + Publish the appropriate SSDT based on current configuration and capabilities. + + @param[in] DxePlatformSaPolicy SA DxePlatformPolicy protocol + + @retval EFI_SUCCESS - Vtd initialization complete + @retval Other - No Vtd function initiated +**/ +; + +VOID +UpdateDmarExitPmAuth ( + VOID + ) +/** + ExitPmAuth routine for update DMAR +**/ +; +#endif |