From a6e0e994d0e855f7f65f6fb7e113f061e0b9a242 Mon Sep 17 00:00:00 2001 From: "Zhang, Chao B" Date: Thu, 29 Dec 2016 16:21:02 +0800 Subject: SecurityPkg: Tcg2ConfigDxe: Display TPM2 HID in Tcg2Config Display TPM2 HID from TPM2 ACPI device object in Tcg2Config UI Cc: Long Qin Cc: Yao Jiewen Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang Reviewed-by: Long Qin Reviewed-by: Yao Jiewen --- SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c | 107 +++++++++++++++++++++++++++- 1 file changed, 105 insertions(+), 2 deletions(-) (limited to 'SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c') diff --git a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c index 5f4420ca86..3e341559b4 100644 --- a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c +++ b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c @@ -2,7 +2,7 @@ HII Config Access protocol implementation of TCG2 configuration module. NOTE: This module is only for reference only, each platform should have its own setup page. -Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.
+Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -378,6 +378,83 @@ Tcg2RouteConfig ( return EFI_NOT_FOUND; } +/** + Get HID string of TPM2 ACPI device object + + @param[in] HID Points to HID String Buffer. + @param[in] Size HID String size in bytes. Must >= TPM_HID_ACPI_SIZE + + @return HID String get status. + +**/ +EFI_STATUS +GetTpm2HID( + CHAR8 *HID, + UINTN Size + ) +{ + EFI_STATUS Status; + UINT32 ManufacturerID; + UINT32 FirmwareVersion1; + UINT32 FirmwareVersion2; + BOOLEAN PnpHID; + + PnpHID = TRUE; + + ZeroMem(HID, Size); + + // + // Get Manufacturer ID + // + Status = Tpm2GetCapabilityManufactureID(&ManufacturerID); + if (!EFI_ERROR(Status)) { + DEBUG((DEBUG_INFO, "TPM_PT_MANUFACTURER 0x%08x\n", ManufacturerID)); + // + // ManufacturerID defined in TCG Vendor ID Registry + // may tailed with 0x00 or 0x20 + // + if ((ManufacturerID >> 24) == 0x00 || ((ManufacturerID >> 24) == 0x20)) { + // + // HID containing PNP ID "NNN####" + // NNN is uppercase letter for Vendor ID specified by manufacturer + // + CopyMem(HID, &ManufacturerID, 3); + } else { + // + // HID containing ACP ID "NNNN####" + // NNNN is uppercase letter for Vendor ID specified by manufacturer + // + CopyMem(HID, &ManufacturerID, 4); + PnpHID = FALSE; + } + } else { + DEBUG ((DEBUG_ERROR, "Get TPM_PT_MANUFACTURER failed %x!\n", Status)); + ASSERT(FALSE); + return Status; + } + + Status = Tpm2GetCapabilityFirmwareVersion(&FirmwareVersion1, &FirmwareVersion2); + if (!EFI_ERROR(Status)) { + DEBUG((DEBUG_INFO, "TPM_PT_FIRMWARE_VERSION_1 0x%x\n", FirmwareVersion1)); + DEBUG((DEBUG_INFO, "TPM_PT_FIRMWARE_VERSION_2 0x%x\n", FirmwareVersion2)); + // + // #### is Firmware Version 1 + // + if (PnpHID) { + AsciiSPrint(HID + 3, TPM_HID_PNP_SIZE - 3, "%02d%02d", ((FirmwareVersion1 & 0xFFFF0000) >> 16), (FirmwareVersion1 && 0x0000FFFF)); + } else { + AsciiSPrint(HID + 4, TPM_HID_ACPI_SIZE - 4, "%02d%02d", ((FirmwareVersion1 & 0xFFFF0000) >> 16), (FirmwareVersion1 && 0x0000FFFF)); + } + + } else { + DEBUG ((DEBUG_ERROR, "Get TPM_PT_FIRMWARE_VERSION_X failed %x!\n", Status)); + ASSERT(FALSE); + return Status; + } + + return EFI_SUCCESS; +} + /** This function processes the results of changes in configuration. @@ -411,12 +488,38 @@ Tcg2Callback ( OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest ) { - EFI_INPUT_KEY Key; + EFI_STATUS Status; + EFI_INPUT_KEY Key; + CHAR8 HidStr[16]; + CHAR16 UnHidStr[16]; + TCG2_CONFIG_PRIVATE_DATA *Private; if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) { return EFI_INVALID_PARAMETER; } + Private = TCG2_CONFIG_PRIVATE_DATA_FROM_THIS (This); + + if (Action == EFI_BROWSER_ACTION_FORM_OPEN) { + // + // Update TPM2 HID info + // + if (QuestionId == KEY_TPM_DEVICE) { + Status = GetTpm2HID(HidStr, 16); + + if (EFI_ERROR(Status)) { + // + // Fail to get TPM2 HID + // + HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_TPM2_ACPI_HID_CONTENT), L"Unknown", NULL); + } else { + AsciiStrToUnicodeStrS(HidStr, UnHidStr, 16); + HiiSetString (Private->HiiHandle, STRING_TOKEN (STR_TPM2_ACPI_HID_CONTENT), UnHidStr, NULL); + } + } + return EFI_SUCCESS; + } + if (Action == EFI_BROWSER_ACTION_CHANGING) { if (QuestionId == KEY_TPM_DEVICE_INTERFACE) { EFI_STATUS Status; -- cgit v1.2.3