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zpcimon: Monitor for hotplug of NVMes to trigger SMART collection

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Use libudev to monitor for "change" events in the "nvme" subsystem that
use the "pcie" transport to trigger NVMe SMART data collection. Only
collect data from the NVMe referenced by the udev event.

Assisted-by: IBM Bob:1.0.1
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Niklas Schnelle
2026-04-23 14:20:47 +02:00
committed by Jan Höppner
parent f1a11a01df
commit 4fd607ae5c
4 changed files with 135 additions and 2 deletions
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zpcimon/Makefile
+18
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@@ -39,6 +39,16 @@ check_dep_libnvme:
BUILDTARGET += check_dep_libnvme
endif # HAVE_LIBNVME
ifneq (${HAVE_LIBUDEV},0)
check_dep_libudev:
$(call check_dep, \
"zpcimon", \
"libudev.h", \
"systemd-devel", \
"HAVE_LIBNVME=0")
BUILDTARGET += check_dep_libudev
endif # HAVE_LIBUDEV
ifeq (${HAVE_OPENSSL},0)
all:
@@ -61,6 +71,12 @@ all:
install:
$(SKIP) HAVE_LIBNVME=0
else ifeq (${HAVE_LIBUDEV},0)
all:
$(SKIP) HAVE_LIBUDEV=0
install:
$(SKIP) HAVE_LIBUDEV=0
else
ifneq ($(shell sh -c 'command -v pkg-config'),)
@@ -76,6 +92,7 @@ LIB_LFLAGS += $(shell $(PKG_CONFIG) --silence-errors --libs libnl-route-3.0)
LIB_LFLAGS += $(shell $(PKG_CONFIG) --silence-errors --libs libcrypto)
LIB_LFLAGS += $(shell $(PKG_CONFIG) --silence-errors --libs libnvme)
LIB_LFLAGS += $(shell $(PKG_CONFIG) --silence-errors --libs libudev)
else
LIB_CFLAGS += -I /usr/include/libnl3/
LIB_LFLAGS += -lnl-route-3 -lnl-genl-3 -lnl-3
@@ -84,6 +101,7 @@ LIB_CFLAGS += -I /usr/include/openssl/
LIB_LFLAGS += -lcrypto
LIB_LFLAGS += -lnvme
LIB_LFLAGS += -ludev
endif
ALL_CPPFLAGS += $(LIB_CFLAGS)