From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by mx.groups.io with SMTP id smtpd.web09.49522.1638785590053682255 for ; Mon, 06 Dec 2021 02:13:10 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 134.134.136.20, mailfrom: sebastien.boeuf@intel.com) X-IronPort-AV: E=McAfee;i="6200,9189,10189"; a="224539951" X-IronPort-AV: E=Sophos;i="5.87,291,1631602800"; d="scan'208";a="224539951" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2021 02:13:09 -0800 X-IronPort-AV: E=Sophos;i="5.87,291,1631602800"; d="scan'208";a="461754924" Received: from deyangko-mobl1.ccr.corp.intel.com (HELO sboeuf-mobl.home) ([10.252.18.29]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Dec 2021 02:13:07 -0800 From: sebastien.boeuf@intel.com To: devel@edk2.groups.io Cc: jiewen.yao@intel.com, jordan.l.justen@intel.com, kraxel@redhat.com, sebastien.boeuf@intel.com Subject: [PATCH v3 3/5] OvmfPkg: Retrieve SMBIOS from Cloud Hypervisor Date: Mon, 6 Dec 2021 11:12:20 +0100 Message-Id: <05b4867b1e2184c2cdd7357363d72d81bf33cf2f.1638785380.git.sebastien.boeuf@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable From: Sebastien Boeuf Add a fallback on the SMBIOS code to find the SMBIOS table for Cloud Hypervisor if it couldn't be found for Qemu through fw_cfg. Reviewed-by: Gerd Hoffmann Signed-off-by: Rob Bradford Signed-off-by: Sebastien Boeuf --- OvmfPkg/Include/IndustryStandard/CloudHv.h | 5 +++ OvmfPkg/SmbiosPlatformDxe/CloudHv.c | 32 +++++++++++++++++++ OvmfPkg/SmbiosPlatformDxe/EntryPoint.c | 20 +++++++++--- OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h | 11 +++++++ .../SmbiosPlatformDxe/SmbiosPlatformDxe.inf | 2 ++ 5 files changed, 65 insertions(+), 5 deletions(-) create mode 100644 OvmfPkg/SmbiosPlatformDxe/CloudHv.c diff --git a/OvmfPkg/Include/IndustryStandard/CloudHv.h b/OvmfPkg/Include/I= ndustryStandard/CloudHv.h index 6ab18ad50d..ad0e170795 100644 --- a/OvmfPkg/Include/IndustryStandard/CloudHv.h +++ b/OvmfPkg/Include/IndustryStandard/CloudHv.h @@ -32,4 +32,9 @@ // #define CLOUDHV_MMIO_HOLE_SIZE 0x38000000 = +// +// SMBIOS address +// +#define CLOUDHV_SMBIOS_ADDRESS 0xf0000 + #endif // __CLOUDHV_H__ diff --git a/OvmfPkg/SmbiosPlatformDxe/CloudHv.c b/OvmfPkg/SmbiosPlatformDx= e/CloudHv.c new file mode 100644 index 0000000000..e9ce00b6eb --- /dev/null +++ b/OvmfPkg/SmbiosPlatformDxe/CloudHv.c @@ -0,0 +1,32 @@ +/** @file + Find Cloud Hypervisor SMBIOS data. + + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#include // CLOUDHV_SMBIOS_ADDRESS +#include // SMBIOS_TABLE_3_0_ENTRY_POINT + +/** + Locates and extracts Cloud Hypervisor SMBIOS data + + @return Address of extracted Cloud Hypervisor SMBIOS data + +**/ +UINT8 * +GetCloudHvSmbiosTables ( + VOID + ) +{ + SMBIOS_TABLE_3_0_ENTRY_POINT *CloudHvTables =3D (VOID *)CLOUDHV_SMBIOS_A= DDRESS; + + if (CloudHvTables->AnchorString[0] =3D=3D '_' && + CloudHvTables->AnchorString[1] =3D=3D 'S' && + CloudHvTables->AnchorString[2] =3D=3D 'M' && + CloudHvTables->AnchorString[3] =3D=3D '3' && + CloudHvTables->AnchorString[4] =3D=3D '_') { + return (UINT8*)(UINTN)CloudHvTables->TableAddress; + } + + return NULL; +} diff --git a/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c b/OvmfPkg/SmbiosPlatfor= mDxe/EntryPoint.c index c72ba1d14b..992ae5e2ab 100644 --- a/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c +++ b/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c @@ -5,6 +5,7 @@ **/ = #include // FreePool() +#include // CLOUDHV_DEVICE_ID = #include "SmbiosPlatformDxe.h" = @@ -27,15 +28,24 @@ SmbiosTablePublishEntry ( { EFI_STATUS Status; UINT8 *SmbiosTables; + UINT16 HostBridgeDevId; = Status =3D EFI_NOT_FOUND; // - // Add QEMU SMBIOS data if found + // Add SMBIOS data if found // - SmbiosTables =3D GetQemuSmbiosTables (); - if (SmbiosTables !=3D NULL) { - Status =3D InstallAllStructures (SmbiosTables); - FreePool (SmbiosTables); + HostBridgeDevId =3D PcdGet16 (PcdOvmfHostBridgePciDevId); + if (HostBridgeDevId =3D=3D CLOUDHV_DEVICE_ID) { + SmbiosTables =3D GetCloudHvSmbiosTables (); + if (SmbiosTables !=3D NULL) { + Status =3D InstallAllStructures (SmbiosTables); + } + } else { + SmbiosTables =3D GetQemuSmbiosTables (); + if (SmbiosTables !=3D NULL) { + Status =3D InstallAllStructures (SmbiosTables); + FreePool (SmbiosTables); + } } = return Status; diff --git a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/OvmfPkg/Smbios= PlatformDxe/SmbiosPlatformDxe.h index 4286a80170..c39206f151 100644 --- a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h +++ b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h @@ -33,4 +33,15 @@ GetQemuSmbiosTables ( VOID ); = +/** + Locates and extracts Cloud Hypervisor SMBIOS data + + @return Address of extracted Cloud Hypervisor SMBIOS data + +**/ +UINT8 * +GetCloudHvSmbiosTables ( + VOID + ); + #endif diff --git a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/OvmfPkg/Smbi= osPlatformDxe/SmbiosPlatformDxe.inf index e239a631f2..0066bbc922 100644 --- a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf +++ b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf @@ -24,6 +24,7 @@ # = [Sources] + CloudHv.c EntryPoint.c Qemu.c SmbiosPlatformDxe.c @@ -42,6 +43,7 @@ UefiDriverEntryPoint = [Pcd] + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated = [Protocols] -- = 2.30.2 --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, = 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. 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