UefiPayloadPkg: Add SmmStoreInfoGuid

Add a new InfoHob that contains the SmmStore information passed from
coreboot tables when the SMMSTOREV2 feature is enabled.

This will be used to implement the FVB on top of the SMI installed by
coreboot.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>

UefiPayloadPkg/Include/Guid/SmmStoreInfoGuid.h

@@ -0,0 +1,26 @@
+/** @file
+  This file defines the hob structure for coreboot's SmmStore.
+
+  Copyright (c) 2022, 9elements GmbH<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SMMSTORE_GUID_H_
+#define SMMSTORE_GUID_H_
+
+///
+/// System Table Information GUID
+///
+extern EFI_GUID  gEfiSmmStoreInfoHobGuid;
+
+typedef struct {
+  UINT64    ComBuffer;
+  UINT32    ComBufferSize;
+  UINT32    NumBlocks;
+  UINT32    BlockSize;
+  UINT64    MmioAddress;
+  UINT8     ApmCmd;
+} SMMSTORE_INFO;
+
+#endif // SMMSTORE_GUID_H_

UefiPayloadPkg/Include/Library/SmmStoreParseLib.h

@@ -0,0 +1,29 @@
+/** @file
+  This library parses the coreboot table in memory to extract required
+  information.
+
+  Copyright (c) 2021, Star Labs Systems. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SMM_STORE_PARSE_LIB_H_
+#define SMM_STORE_PARSE_LIB_H_
+
+#include <Guid/SmmStoreInfoGuid.h>
+
+/**
+  Find the SmmStore HOB.
+
+  @param  SmmStoreInfo       Pointer to the SMMSTORE_INFO structure
+
+  @retval RETURN_SUCCESS     Successfully found the Smm store buffer information.
+  @retval RETURN_NOT_FOUND   Failed to find the Smm store buffer information.
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+  OUT SMMSTORE_INFO  *SmmStoreInfo
+  );
+
+#endif // SMM_STORE_PARSE_LIB_H_

UefiPayloadPkg/Library/CbParseLib/CbParseLib.c

@@ -14,6 +14,7 @@
 #include <Library/PcdLib.h>
 #include <Library/IoLib.h>
 #include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
 #include <IndustryStandard/Acpi.h>
 #include <Coreboot.h>
 
@@ -595,3 +596,45 @@ ParseMiscInfo (
 {
   return RETURN_SUCCESS;
 }
+
+/**
+  Find the SmmStore HOB.
+
+  @param  SmmStoreInfo       Pointer to the SMMSTORE_INFO structure
+
+  @retval RETURN_SUCCESS     Successfully found the Smm store buffer information.
+  @retval RETURN_NOT_FOUND   Failed to find the Smm store buffer information.
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+  OUT SMMSTORE_INFO  *SmmStoreInfo
+  )
+{
+  struct cb_smmstorev2  *CbSSRec;
+
+  if (SmmStoreInfo == NULL) {
+    return RETURN_INVALID_PARAMETER;
+  }
+
+  CbSSRec = FindCbTag (CB_TAG_SMMSTOREV2);
+  if (CbSSRec == NULL) {
+    return RETURN_NOT_FOUND;
+  }
+
+  DEBUG ((DEBUG_INFO, "Found Smm Store information\n"));
+  DEBUG ((DEBUG_INFO, "block size: 0x%x\n", CbSSRec->block_size));
+  DEBUG ((DEBUG_INFO, "number of blocks: 0x%x\n", CbSSRec->num_blocks));
+  DEBUG ((DEBUG_INFO, "communication buffer: 0x%x\n", CbSSRec->com_buffer));
+  DEBUG ((DEBUG_INFO, "communication buffer size: 0x%x\n", CbSSRec->com_buffer_size));
+  DEBUG ((DEBUG_INFO, "MMIO address of store: 0x%x\n", CbSSRec->mmap_addr));
+
+  SmmStoreInfo->ComBuffer     = CbSSRec->com_buffer;
+  SmmStoreInfo->ComBufferSize = CbSSRec->com_buffer_size;
+  SmmStoreInfo->BlockSize     = CbSSRec->block_size;
+  SmmStoreInfo->NumBlocks     = CbSSRec->num_blocks;
+  SmmStoreInfo->MmioAddress   = CbSSRec->mmap_addr;
+  SmmStoreInfo->ApmCmd        = CbSSRec->apm_cmd;
+
+  return RETURN_SUCCESS;
+}

UefiPayloadPkg/Library/SblParseLib/SblParseLib.c

@@ -14,6 +14,7 @@
 #include <Library/IoLib.h>
 #include <Library/HobLib.h>
 #include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
 #include <IndustryStandard/Acpi.h>
 #include <UniversalPayload/PciRootBridges.h>
 
@@ -289,3 +290,20 @@ ParseMiscInfo (
 
   return Status;
 }
+
+/**
+  Find the SmmStore HOB.
+
+  @param  SmmStoreInfo       Pointer to the SMMSTORE_INFO structure
+
+  @retval RETURN_SUCCESS     Successfully found the Smm store buffer information.
+  @retval RETURN_NOT_FOUND   Failed to find the Smm store buffer information.
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+  OUT SMMSTORE_INFO  *SmmStoreInfo
+  )
+{
+  return RETURN_NOT_FOUND;
+}

UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c

@@ -338,6 +338,8 @@ BuildHobFromBl (
 {
   EFI_STATUS                        Status;
   ACPI_BOARD_INFO                   *AcpiBoardInfo;
+  SMMSTORE_INFO                     SmmStoreInfo;
+  SMMSTORE_INFO                     *NewSmmStoreInfo;
   EFI_PEI_GRAPHICS_INFO_HOB         GfxInfo;
   EFI_PEI_GRAPHICS_INFO_HOB         *NewGfxInfo;
   EFI_PEI_GRAPHICS_DEVICE_INFO_HOB  GfxDeviceInfo;
@@ -384,6 +386,17 @@ BuildHobFromBl (
     DEBUG ((DEBUG_INFO, "Created graphics device info hob\n"));
   }
 
+  //
+  // Create guid hob for SmmStore
+  //
+  Status = ParseSmmStoreInfo (&SmmStoreInfo);
+  if (!EFI_ERROR (Status)) {
+    NewSmmStoreInfo = BuildGuidHob (&gEfiSmmStoreInfoHobGuid, sizeof (SmmStoreInfo));
+    ASSERT (NewSmmStoreInfo != NULL);
+    CopyMem (NewSmmStoreInfo, &SmmStoreInfo, sizeof (SmmStoreInfo));
+    DEBUG ((DEBUG_INFO, "Created SmmStore info hob\n"));
+  }
+
   //
   // Creat SmBios table Hob
   //

UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h

@@ -22,6 +22,7 @@
 #include <Library/IoLib.h>
 #include <Library/PeCoffLib.h>
 #include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
 #include <Library/PlatformSupportLib.h>
 #include <Library/CpuLib.h>
 #include <IndustryStandard/Acpi.h>
@@ -37,6 +38,7 @@
 #include <UniversalPayload/SerialPortInfo.h>
 #include <UniversalPayload/DeviceTree.h>
 #include <Guid/PcdDataBaseSignatureGuid.h>
+#include <Guid/SmmStoreInfoGuid.h>
 
 #define LEGACY_8259_MASK_REGISTER_MASTER  0x21
 #define LEGACY_8259_MASK_REGISTER_SLAVE   0xA1

UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf

@@ -71,6 +71,7 @@
   gUniversalPayloadSmbiosTableGuid
   gUniversalPayloadAcpiTableGuid
   gUniversalPayloadSerialPortInfoGuid
+  gEfiSmmStoreInfoHobGuid
 
 [FeaturePcd.IA32]
   gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode      ## CONSUMES

UefiPayloadPkg/UefiPayloadPkg.dec

@@ -45,6 +45,8 @@
   gS3CommunicationGuid     = { 0x88e31ba1, 0x1856, 0x4b8b, { 0xbb, 0xdf, 0xf8, 0x16, 0xdd, 0x94, 0xa, 0xef } }
   gUplPciSegmentInfoHobGuid = {0x37e0e3a9, 0xb3fc, 0x4e85, { 0x97, 0x2b, 0x40, 0x82, 0xfc, 0x79, 0x40, 0x54 } }
 
+  gEfiSmmStoreInfoHobGuid  = { 0xf585ca19, 0x881b, 0x44fb, { 0x3f, 0x3d, 0x81, 0x89, 0x7c, 0x57, 0xbb, 0x01 } }
+
 [Ppis]
   gEfiPayLoadHobBasePpiGuid = { 0xdbe23aa1, 0xa342, 0x4b97, {0x85, 0xb6, 0xb2, 0x26, 0xf1, 0x61, 0x73, 0x89} }