MSVSphere Packaging Team
1 week ago
parent
a00b87a572
commit
de4086c6f8
GPG Key ID:
B2B0B9F29E528FE8
@ -1 +1,2 @@
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SOURCES/virt-what-1.26.tar.gz
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SOURCES/libguestfs.keyring
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SOURCES/virt-what-1.27.tar.gz
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@ -1 +1,2 @@
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d5a06a9c87956dd0ac719a30b6d00cfcda69a79c SOURCES/virt-what-1.26.tar.gz
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1bbc40f501a7fef9eef2a39b701a71aee2fea7c4 SOURCES/libguestfs.keyring
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9c405e24083821e8d9afe05f20717c66fd343949 SOURCES/virt-what-1.27.tar.gz
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@ -1,97 +0,0 @@
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From 059cbff66740ef74cd663f88c5f96a80a8d6d6ea Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Tue, 30 Jul 2024 10:46:46 +0100
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Subject: [PATCH] Fix CVM detection on Azure with TDX
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The current TDX support was tested on Azure, however, since that time
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they now block the CPUID leaf we were using. Instead it is required to
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issue the Azure specific CPUID calls as we were already doing for SNP.
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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---
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virt-what-cvm.c | 14 +++++++++-----
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virt-what-cvm.pod | 4 ++--
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2 files changed, 11 insertions(+), 7 deletions(-)
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diff --git a/virt-what-cvm.c b/virt-what-cvm.c
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index 52b3426bc..0daa6ac35 100644
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--- a/virt-what-cvm.c
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+++ b/virt-what-cvm.c
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@@ -92,6 +92,7 @@ static bool dodebug = false;
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#define CPUID_HYPERV_ISOLATION_TYPE_MASK 0xf
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#define CPUID_HYPERV_ISOLATION_TYPE_SNP 2
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+#define CPUID_HYPERV_ISOLATION_TYPE_TDX 3
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#if defined(__x86_64__)
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@@ -147,7 +148,7 @@ msr (off_t index)
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}
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static bool
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-cpu_sig_amd_hyperv (void)
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+cpu_sig_cvm_hyperv (uint32_t isoltype)
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{
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uint32_t eax, ebx, ecx, edx;
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char sig[13];
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@@ -175,8 +176,7 @@ cpu_sig_amd_hyperv (void)
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ebx = ecx = edx = 0;
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cpuid(&eax, &ebx, &ecx, &edx);
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- if ((ebx & CPUID_HYPERV_ISOLATION_TYPE_MASK) ==
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- CPUID_HYPERV_ISOLATION_TYPE_SNP) {
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+ if ((ebx & CPUID_HYPERV_ISOLATION_TYPE_MASK) == isoltype) {
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return true;
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}
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}
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@@ -212,7 +212,7 @@ cpu_sig_amd (void)
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if (!(eax & (1 << 1))) {
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debug ("No sev in CPUID, try hyperv CPUID\n");
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- if (cpu_sig_amd_hyperv ()) {
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+ if (cpu_sig_cvm_hyperv (CPUID_HYPERV_ISOLATION_TYPE_SNP)) {
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puts ("amd-sev-snp");
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puts ("hyperv-hcl");
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} else {
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@@ -252,8 +252,12 @@ cpu_sig_intel (void)
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memset (sig, 0, sizeof sig);
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cpuid_leaf (CPUID_INTEL_TDX_ENUMERATION, sig, true);
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- if (memcmp (sig, CPUID_SIG_INTEL_TDX, sizeof(sig)) == 0)
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+ if (memcmp (sig, CPUID_SIG_INTEL_TDX, sizeof(sig)) == 0) {
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puts ("intel-tdx");
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+ } else if (cpu_sig_cvm_hyperv (CPUID_HYPERV_ISOLATION_TYPE_TDX)) {
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+ puts ("intel-tdx");
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+ puts ("hyperv-hcl");
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+ }
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}
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static bool
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diff --git a/virt-what-cvm.pod b/virt-what-cvm.pod
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index 0f9076569..70213abd7 100644
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--- a/virt-what-cvm.pod
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+++ b/virt-what-cvm.pod
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@@ -50,7 +50,7 @@ Status: tested on Fedora 38 QEMU+KVM SEV-SNP (devel snapshot)
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This is a confidential guest running with Intel TDX technology
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-Status: tested on Microsoft Azure TDX CVM (preview)
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+Status: tested on Microsoft Azure TDX CVM
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=item B<hyperv-hcl>
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@@ -58,7 +58,7 @@ This is a confidential guest running unenlightened under the
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HyperV (Azure) HCL (Host Compatibility Layer). This will be
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paired with B<amd-sev-snp>.
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-Status: tested on Microsoft Azure SEV-SNP CVM
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+Status: tested on Microsoft Azure SEV-SNP & TDX CVM
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=back
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--
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2.43.0
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@ -1,65 +0,0 @@
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From 037689fbe95e403b050c1eb736ebc8fdc2e601a5 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Fri, 2 Aug 2024 16:07:46 +0100
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Subject: [PATCH] Add support for detecting protected virtualization on s390x
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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---
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virt-what-cvm.c | 21 ++++++++++++++++++++-
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virt-what-cvm.pod | 5 +++++
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2 files changed, 25 insertions(+), 1 deletion(-)
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diff --git a/virt-what-cvm.c b/virt-what-cvm.c
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index 0daa6ac35..320df478b 100644
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--- a/virt-what-cvm.c
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+++ b/virt-what-cvm.c
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@@ -295,7 +295,26 @@ cpu_sig (void)
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cpu_sig_intel ();
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}
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-#else /* !x86_64 */
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+#elif defined(__s390x__)
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+
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+#define SYSFS_PROT_VIRT "/sys/firmware/uv/prot_virt_guest"
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+
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+static void
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+cpu_sig (void)
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+{
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+ int fd = open("/sys/firmware/uv/prot_virt_guest", O_RDONLY);
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+ char c;
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+ if (fd < 0)
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+ return;
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+
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+ if (read(fd, &c, 1) == 1 && c == '1')
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+ puts("s390-protvirt");
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+
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+ close(fd);
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+}
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+
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+
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+#else /* ! x86_64 && ! s390x */
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static void
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cpu_sig (void)
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diff --git a/virt-what-cvm.pod b/virt-what-cvm.pod
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index 70213abd7..00e21cb70 100644
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--- a/virt-what-cvm.pod
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+++ b/virt-what-cvm.pod
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@@ -60,6 +60,11 @@ paired with B<amd-sev-snp>.
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Status: tested on Microsoft Azure SEV-SNP & TDX CVM
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+=item B<s390x-protvirt>
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+
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+This is a confidential guest running on s390x with the
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+Protected Virtualization (Secure Execution) technology
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+
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=back
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=head1 EXIT STATUS
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--
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2.43.0
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@ -1,28 +0,0 @@
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From 963676c4dd4c2a9c070b76da6f8835ceb131dbe0 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Tue, 13 Aug 2024 13:23:06 +0100
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Subject: [PATCH] virt-what-cvm.pod: Fix man page typo s390x-protvirt ->
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s390-protvirt
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Reported-by: Yongkui Guo
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Fixes: commit 037689fbe95e403b050c1eb736ebc8fdc2e601a5
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---
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virt-what-cvm.pod | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/virt-what-cvm.pod b/virt-what-cvm.pod
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index 00e21cb70..a76717984 100644
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--- a/virt-what-cvm.pod
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+++ b/virt-what-cvm.pod
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@@ -60,7 +60,7 @@ paired with B<amd-sev-snp>.
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Status: tested on Microsoft Azure SEV-SNP & TDX CVM
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-=item B<s390x-protvirt>
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+=item B<s390-protvirt>
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This is a confidential guest running on s390x with the
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Protected Virtualization (Secure Execution) technology
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--
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2.43.0
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@ -0,0 +1,17 @@
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