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From 48dacf8d30cd61b72939e9c3419acced4b2fde74 Mon Sep 17 00:00:00 2001
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From: Michal Suchanek <msuchanek@suse.de>
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Date: Fri, 2 Oct 2020 11:05:23 +0200
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Subject: [PATCH] basic/virt: Detect PowerVM hypervisor
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Currently systemd-detect-virt fails to detect running under PowerVM.
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Add code to detect PowerVM based on code in util-linux.
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Signed-off-by: Michal Suchanek <msuchanek@suse.de>
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(cherry picked from commit 3224e38bb6b3287ca253cbafb460a150544d5818)
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Resolves: #1937989
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---
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man/systemd-detect-virt.xml | 7 ++++++-
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src/basic/virt.c | 6 ++++++
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src/basic/virt.h | 1 +
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3 files changed, 13 insertions(+), 1 deletion(-)
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diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
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index c4763fd561..6beb2c2aa1 100644
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--- a/man/systemd-detect-virt.xml
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+++ b/man/systemd-detect-virt.xml
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@@ -65,7 +65,7 @@
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<row>
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- <entry valign="top" morerows="11">VM</entry>
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+ <entry valign="top" morerows="12">VM</entry>
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<entry><varname>qemu</varname></entry>
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<entry>QEMU software virtualization, without KVM</entry>
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</row>
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@@ -95,6 +95,11 @@
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<entry>Oracle VM VirtualBox (historically marketed by innotek and Sun Microsystems), for legacy and KVM hypervisor</entry>
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</row>
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+ <row>
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+ <entry><varname>powervm</varname></entry>
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+ <entry>IBM PowerVM hypervisor - comes as firmware with some IBM POWER servers</entry>
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+ </row>
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+
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<row>
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<entry><varname>xen</varname></entry>
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<entry>Xen hypervisor (only domU, not dom0)</entry>
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diff --git a/src/basic/virt.c b/src/basic/virt.c
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index dfa1525219..0b88005ed6 100644
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--- a/src/basic/virt.c
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+++ b/src/basic/virt.c
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@@ -92,6 +92,11 @@ static int detect_vm_device_tree(void) {
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_cleanup_closedir_ DIR *dir = NULL;
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struct dirent *dent;
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+ if (access("/proc/device-tree/ibm,partition-name", F_OK) == 0 &&
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+ access("/proc/device-tree/hmc-managed?", F_OK) == 0 &&
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+ access("/proc/device-tree/chosen/qemu,graphic-width", F_OK) != 0)
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+ return VIRTUALIZATION_POWERVM;
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+
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dir = opendir("/proc/device-tree");
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if (!dir) {
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if (errno == ENOENT) {
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@@ -635,6 +640,7 @@ static const char *const virtualization_table[_VIRTUALIZATION_MAX] = {
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[VIRTUALIZATION_PARALLELS] = "parallels",
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[VIRTUALIZATION_BHYVE] = "bhyve",
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[VIRTUALIZATION_QNX] = "qnx",
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+ [VIRTUALIZATION_POWERVM] = "powervm",
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[VIRTUALIZATION_VM_OTHER] = "vm-other",
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[VIRTUALIZATION_SYSTEMD_NSPAWN] = "systemd-nspawn",
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diff --git a/src/basic/virt.h b/src/basic/virt.h
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index c4cf4bfeab..640b3ed779 100644
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--- a/src/basic/virt.h
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+++ b/src/basic/virt.h
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@@ -21,6 +21,7 @@ enum {
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VIRTUALIZATION_PARALLELS,
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VIRTUALIZATION_BHYVE,
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VIRTUALIZATION_QNX,
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+ VIRTUALIZATION_POWERVM,
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VIRTUALIZATION_VM_OTHER,
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VIRTUALIZATION_VM_LAST = VIRTUALIZATION_VM_OTHER,
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