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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,jakub.fedorowicz@intel.com X-Gm-Message-State: pkuz9MRglxBVbFjBZ09AzHB1x1787277AA= Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_BYAPR11MB2709C45E6A98A43B768D5C90849B9BYAPR11MB2709namp_" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1637253712; bh=fvvUD4SpLrPe2reNzDUkHlrbiMRVyFKxd/7zIS5hYU8=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=HJdCz9rh5SBpFrH4nwjD4fDlGg+e6Uhql/nxt0O83JVLtPY7mAQsShQVJatu/lwC50e h6/Our+E65N70AsENMlC/iq210gmKKkiJKLPkKVnimCjpqZ5zYAfJduBzX486NH7n359/ BfK+gEzsMvu7ZBHkxXuFS9sexsOIM/AX3Uk= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1637253715281100001 --_000_BYAPR11MB2709C45E6A98A43B768D5C90849B9BYAPR11MB2709namp_ MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In BaseConfigBlockLib add function to get next config block from config blo= cks table in order to iterate over blocks of the same type. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3700 Signed-off-by: Jakub Fedorowicz mailto:jakub.fedorowicz@intel.com Cc: Ray Ni mailto:ray.ni@intel.com Cc: Rangasai V Chaganty mailto:rangasai.v.chaganty@intel.com --- .../Include/Library/ConfigBlockLib.h | 20 ++++++++ .../BaseConfigBlockLib/BaseConfigBlockLib.c | 50 +++++++++++++++++++ 2 files changed, 70 insertions(+) diff --git a/Silicon/Intel/IntelSiliconPkg/Include/Library/ConfigBlockLib.h= b/Silicon/Intel/IntelSiliconPkg/Include/Library/ConfigBlockLib.h index 37a39681..77eff21b 100644 --- a/Silicon/Intel/IntelSiliconPkg/Include/Library/ConfigBlockLib.h +++ b/Silicon/Intel/IntelSiliconPkg/Include/Library/ConfigBlockLib.h @@ -45,6 +45,7 @@ AddConfigBlock ( /** Retrieve a specific Config Block data by GUID. + If there is more than one Config Block with given GUID, return the first= found with given GUID. @param[in] ConfigBlockTableAddress - A pointer to the beginnin= g of Config Block Table Address @param[in] ConfigBlockGuid - A pointer to the GUID use= s to search specific Config Block @@ -61,4 +62,23 @@ GetConfigBlock ( OUT VOID **ConfigBlockAddress ); +/** + Search through ConfigBlockTable blocks to find following Config Block of= the same GUID. + If there is no following Config Block found until the end of the table, = return EFI_NOT_FOUND. + + @param[in] ConfigBlockTableAddress - A pointer to the beginning o= f Config Block Table + @param[in] ConfigBlockAddress - A pointer to the Config Bloc= k, against which the search begins + @param[out] NextConfigBlockAddress - On return, points to a point= er to the found Config Block + + @retval EFI_NOT_FOUND - Could not find the following Config Block + @retval EFI_SUCCESS - Config Block found and return +**/ +EFI_STATUS +EFIAPI +GetNextConfigBlock ( + IN VOID *ConfigBlockTableAddress, + IN VOID *ConfigBlockAddress, + OUT VOID **NextConfigBlockAddress + ); + #endif // _CONFIG_BLOCK_LIB_H_ diff --git a/Silicon/Intel/IntelSiliconPkg/Library/BaseConfigBlockLib/BaseC= onfigBlockLib.c b/Silicon/Intel/IntelSiliconPkg/Library/BaseConfigBlockLib/= BaseConfigBlockLib.c index c89699ea..f026ac0b 100644 --- a/Silicon/Intel/IntelSiliconPkg/Library/BaseConfigBlockLib/BaseConfigBl= ockLib.c +++ b/Silicon/Intel/IntelSiliconPkg/Library/BaseConfigBlockLib/BaseConfi +++ gBlockLib.c @@ -95,6 +95,7 @@ AddConfigBlock ( /** Retrieve a specific Config Block data by GUID. + If there is more than one Config Block with given GUID, return the first= found with given GUID. @param[in] ConfigBlockTableAddress - A pointer to the beginnin= g of Config Block Table Address @param[in] ConfigBlockGuid - A pointer to the GUID use= s to search specific Config Block @@ -137,3 +138,52 @@ GetConfigBlock ( return EFI_NOT_FOUND; } + +/** + Search through ConfigBlockTable blocks to find following Config Block of= the same GUID. + If there is no following Config Block found until the end of the table, = return EFI_NOT_FOUND. + + @param[in] ConfigBlockTableAddress - A pointer to the beginning o= f Config Block Table + @param[in] ConfigBlockAddress - A pointer to the Config Bloc= k, against which the search begins + @param[out] NextConfigBlockAddress - On return, points to a point= er to the found Config Block + + @retval EFI_NOT_FOUND - Could not find the following Config Block + @retval EFI_SUCCESS - Config Block found and return +**/ +EFI_STATUS +EFIAPI +GetNextConfigBlock ( + IN VOID *ConfigBlockTableAddress, + IN VOID *ConfigBlockAddress, + OUT VOID **NextConfigBlockAddress + ) +{ + CONFIG_BLOCK_TABLE_HEADER *ConfigBlkTblHdrPtr; + UINTN ConfigBlkTblEndAddr; + UINTN ConfigBlkOffset; + CONFIG_BLOCK *TempConfigBlk; + EFI_GUID *TargetGuid; + + ConfigBlkTblHdrPtr =3D (CONFIG_BLOCK_TABLE_HEADER *) + ConfigBlockTableAddress; ConfigBlkTblEndAddr =3D (UINTN) + ConfigBlockTableAddress + (UINTN) + ConfigBlkTblHdrPtr->Header.GuidHob.Header.HobLength; + + TempConfigBlk =3D (CONFIG_BLOCK *) ConfigBlockAddress; TargetGuid =3D + &(TempConfigBlk->Header.GuidHob.Name); + ConfigBlkOffset =3D (UINTN) ConfigBlockAddress + (UINTN) + TempConfigBlk->Header.GuidHob.Header.HobLength; + + // + // Loop until exceeding ConfigBlockTable range // while + (ConfigBlkOffset < ConfigBlkTblEndAddr) { + TempConfigBlk =3D (CONFIG_BLOCK *) ConfigBlkOffset; + + if (CompareGuid (TargetGuid, &(TempConfigBlk->Header.GuidHob.Name))) { + *NextConfigBlockAddress =3D (VOID *) TempConfigBlk; + return EFI_SUCCESS; + } + + ConfigBlkOffset +=3D (UINTN) + TempConfigBlk->Header.GuidHob.Header.HobLength; + } + + return EFI_NOT_FOUND; +} -- 2.30.0.windows.2 --------------------------------------------------------------------- Intel Technology Poland sp. z o.o. ul. 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In BaseConfigBlockLib add function to get next confi= g block from config blocks table in order to iterate over blocks of the sam= e type.

 

REF: https://bugzilla.tianocore.or= g/show_bug.cgi?id=3D3700

 

Signed-off-by: Jakub Fedorowicz ma= ilto:jakub.fedorowicz@intel.com

 

Cc: Ray Ni mailto:ray.ni@intel.com

Cc: Rangasai V Chaganty mailto:ran= gasai.v.chaganty@intel.com

---

.../Include/Library/ConfigBlockLib.h  &nbs= p;       | 20 ++++++++

.../BaseConfigBlockLib/BaseConfigBlockLib.c &nb= sp; | 50 +++++++++++++++++++

2 files changed, 70 insertions(+)

 

diff --git a/Silicon/Intel/IntelSiliconPkg/Include/L= ibrary/ConfigBlockLib.h b/Silicon/Intel/IntelSiliconPkg/Include/Library/Con= figBlockLib.h

index 37a39681..77eff21b 100644

--- a/Silicon/Intel/IntelSiliconPkg/Include/Library/= ConfigBlockLib.h

+++ b/Silicon/Intel/IntelSiliconPkg/Include/Library/= ConfigBlockLib.h

@@ -45,6 +45,7 @@ AddConfigBlock (

 /**

   Retrieve a specific Config Block data b= y GUID.

+  If there is more than one Config Block with = given GUID, return the first found with given GUID.

   @param[in]    =   ConfigBlockTableAddress      - A pointer to= the beginning of Config Block Table Address

   @param[in]     = ; ConfigBlockGuid         &nbs= p;    - A pointer to the GUID uses to search specific Config= Block

@@ -61,4 +62,23 @@ GetConfigBlock (

   OUT    VOID  &= nbsp;   **ConfigBlockAddress

   );

+/**

+  Search through ConfigBlockTable blocks to fi= nd following Config Block of the same GUID.

+  If there is no following Config Block found = until the end of the table, return EFI_NOT_FOUND.

+

+  @param[in]      Con= figBlockTableAddress   - A pointer to the beginning of Config Blo= ck Table

+  @param[in]      Con= figBlockAddress        - A pointer to th= e Config Block, against which the search begins

+  @param[out]     NextConf= igBlockAddress    - On return, points to a pointer to the fo= und Config Block

+

+  @retval EFI_NOT_FOUND    = ;     - Could not find the following Config Block<= /o:p>

+  @retval EFI_SUCCESS    &= nbsp;      - Config Block found and return

+**/

+EFI_STATUS

+EFIAPI

+GetNextConfigBlock (

+  IN     VOID  &= nbsp;   *ConfigBlockTableAddress,

+  IN     VOID  &= nbsp;   *ConfigBlockAddress,

+  OUT    VOID   =    **NextConfigBlockAddress

+  );

+

#endif // _CONFIG_BLOCK_LIB_H_

diff --git a/Silicon/Intel/IntelSiliconPkg/Library/B= aseConfigBlockLib/BaseConfigBlockLib.c b/Silicon/Intel/IntelSiliconPkg/Libr= ary/BaseConfigBlockLib/BaseConfigBlockLib.c

index c89699ea..f026ac0b 100644

--- a/Silicon/Intel/IntelSiliconPkg/Library/BaseConf= igBlockLib/BaseConfigBlockLib.c

+++ b/Silicon/Intel/IntelSiliconPkg/Library/BaseConf= igBlockLib/BaseConfi

+++ gBlockLib.c

@@ -95,6 +95,7 @@ AddConfigBlock (

 /**

   Retrieve a specific Config Block data b= y GUID.

+  If there is more than one Config Block with = given GUID, return the first found with given GUID.

   @param[in]    =   ConfigBlockTableAddress      - A pointer to= the beginning of Config Block Table Address

   @param[in]     = ; ConfigBlockGuid         &nbs= p;    - A pointer to the GUID uses to search specific Config= Block

@@ -137,3 +138,52 @@ GetConfigBlock (

   return EFI_NOT_FOUND;

}

+

+/**

+  Search through ConfigBlockTable blocks to fi= nd following Config Block of the same GUID.

+  If there is no following Config Block found = until the end of the table, return EFI_NOT_FOUND.

+

+  @param[in]      Con= figBlockTableAddress   - A pointer to the beginning of Config Blo= ck Table

+  @param[in]      Con= figBlockAddress        - A pointer to th= e Config Block, against which the search begins

+  @param[out]     NextConf= igBlockAddress    - On return, points to a pointer to the fo= und Config Block

+

+  @retval EFI_NOT_FOUND    = ;     - Could not find the following Config Block<= /o:p>

+  @retval EFI_SUCCESS    &= nbsp;      - Config Block found and return

+**/

+EFI_STATUS

+EFIAPI

+GetNextConfigBlock (

+  IN     VOID  &= nbsp;   *ConfigBlockTableAddress,

+  IN     VOID  &= nbsp;   *ConfigBlockAddress,

+  OUT    VOID   =    **NextConfigBlockAddress

+  )

+{

+  CONFIG_BLOCK_TABLE_HEADER    = *ConfigBlkTblHdrPtr;

+  UINTN      &nb= sp;            =       ConfigBlkTblEndAddr;

+  UINTN      &nb= sp;            =       ConfigBlkOffset;

+  CONFIG_BLOCK     &n= bsp;           *TempConfi= gBlk;

+  EFI_GUID      =             &nb= sp;  *TargetGuid;

+

+  ConfigBlkTblHdrPtr =3D (CONFIG_BLOCK_TABLE_H= EADER *)

+ ConfigBlockTableAddress;  ConfigBlkTblEndAddr= =3D (UINTN)

+ ConfigBlockTableAddress + (UINTN)

+ ConfigBlkTblHdrPtr->Header.GuidHob.Header.HobLe= ngth;

+

+  TempConfigBlk =3D (CONFIG_BLOCK *) ConfigBlo= ckAddress;  TargetGuid =3D

+ &(TempConfigBlk->Header.GuidHob.Name);=

+  ConfigBlkOffset =3D (UINTN) ConfigBlockAddre= ss + (UINTN)

+ TempConfigBlk->Header.GuidHob.Header.HobLength;=

+

+  //

+  // Loop until exceeding ConfigBlockTable ran= ge  //  while

+ (ConfigBlkOffset < ConfigBlkTblEndAddr) {<= /o:p>

+    TempConfigBlk =3D (CONFIG_BLOCK = *) ConfigBlkOffset;

+

+    if (CompareGuid (TargetGuid, &am= p;(TempConfigBlk->Header.GuidHob.Name))) {

+      *NextConfigBlockAddr= ess =3D (VOID *) TempConfigBlk;

+      return EFI_SUCCESS;<= o:p>

+    }

+

+    ConfigBlkOffset +=3D (UINTN)

+ TempConfigBlk->Header.GuidHob.Header.HobLength;=

+  }

+

+  return EFI_NOT_FOUND;

+}

--

2.30.0.windows.2

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