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client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="anthony.perard@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: c9dKx3rlE0ig9P9rBp9ypO7aAfDLnkrtR1mabr16OHaDweclFuvWSzSyyqwgSFaVWM9ybkyw3Q FHoZnvwo94aVT2k4wGDVU50gQzVeLBxK3fgQLpDsa6r+4kpUCe/77A4Wp2xKkVMZsjAXvKTKjV gkHIAFXuLaGG4lK1vh2zwK3hgU4iI7mEVoC8bm0/Fcslj6ZIy0LXmOwG5w953GQzNT16AkzDYm YuDOxxxjYlpTaBIiRnQzAGVdvi0AGLGdjBEh3gUekTSQVSwX+xmJHBtaCtiy4pvry78B5mN9wp IU0= X-SBRS: 2.7 X-MesageID: 4402045 X-Ironport-Server: esa4.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.64,381,1559534400"; d="scan'208";a="4402045" From: Anthony PERARD To: Date: Tue, 13 Aug 2019 12:31:01 +0100 Message-ID: <20190813113119.14804-18-anthony.perard@citrix.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190813113119.14804-1-anthony.perard@citrix.com> References: <20190813113119.14804-1-anthony.perard@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v5 17/35] OvmfPkg/XenPlatformPei: Reinit XenHypercallLib X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Ard Biesheuvel , Jordan Justen , Julien Grall , Anthony PERARD , xen-devel@lists.xenproject.org, Laszlo Ersek Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP The XenPlatformPei needs to make hypercalls, but the XenHypercallLib was initialised before the HyperPage was ready. Now that XenPlatformPei has initialised the HyperPage, reinitialise the XenHypercallLib. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v3: - new patch split from XenHypercallLib: Enable it in PEIM. - check for Lib initialisation failure. OvmfPkg/XenPlatformPei/XenPlatformPei.inf | 1 + OvmfPkg/XenPlatformPei/Xen.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/OvmfPkg/XenPlatformPei/XenPlatformPei.inf b/OvmfPkg/XenPlatformPei/XenPlatformPei.inf index 4d00206d09..0ef77db92c 100644 --- a/OvmfPkg/XenPlatformPei/XenPlatformPei.inf +++ b/OvmfPkg/XenPlatformPei/XenPlatformPei.inf @@ -59,6 +59,7 @@ [LibraryClasses] MtrrLib MemEncryptSevLib PcdLib + XenHypercallLib [Pcd] gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase diff --git a/OvmfPkg/XenPlatformPei/Xen.c b/OvmfPkg/XenPlatformPei/Xen.c index b366139a0a..c67f4c9697 100644 --- a/OvmfPkg/XenPlatformPei/Xen.c +++ b/OvmfPkg/XenPlatformPei/Xen.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "Platform.h" #include "Xen.h" @@ -88,6 +89,7 @@ XenConnect ( EFI_XEN_OVMF_INFO *Info; CHAR8 Sig[sizeof (Info->Signature) + 1]; UINT32 *PVHResetVectorData; + RETURN_STATUS Status; AsmCpuid (XenLeaf + 2, &TransferPages, &TransferReg, NULL, NULL); mXenInfo.HyperPages = AllocatePages (TransferPages); @@ -152,6 +154,13 @@ XenConnect ( sizeof(mXenInfo) ); + // + // Initialize the XenHypercall library, now that the XenInfo HOB is + // available + // + Status = XenHypercallLibInit (); + ASSERT_RETURN_ERROR (Status); + return EFI_SUCCESS; }