We recently discovered that the kernel does not properly check and fail
unknown status results in DSM commands. This highlighted a larger
concern that we expect the kernel to fail regions when one of the
required dimm-label-areas is unavailable.
- Add ndctl commands for disabling/enabling dimms as helper for cases
where a platform owner wants to refresh the driver's cached copy of
the labels.
- Add a new unit test to validate that when a disabled dimm is detected
any attempt to enable a related region fails.
- Fix up the build system to allow util/log.c and util/sysfs.c to be
used in tests as well as the libraries.
---
Dan Williams (3):
ndctl: {enable|disable}-dimm commands
build: build libraries and utilities in separate directories
test, dsm-fail: test get_config_size DSM failures
Documentation/Makefile.am | 4 +
Documentation/dimm-description.txt | 15 ++
Documentation/ndctl-disable-dimm.txt | 22 +++
Documentation/ndctl-enable-dimm.txt | 22 +++
Documentation/xable-dimm-options.txt | 9 +
Makefile.am | 2
configure.ac | 3
daxctl/Makefile.am | 27 ----
daxctl/lib/Makefile.am | 28 ++++
ndctl/Makefile.am | 51 +-------
ndctl/builtin-test.c | 5 +
ndctl/builtin-xable-dimm.c | 115 ++++++++++++++++++
ndctl/builtin.h | 2
ndctl/lib/Makefile.am | 46 +++++++
ndctl/ndctl.c | 2
test.h | 1
test/Makefile.am | 10 ++
test/dsm-fail.c | 216 ++++++++++++++++++++++++++++++++++
18 files changed, 504 insertions(+), 76 deletions(-)
create mode 100644 Documentation/dimm-description.txt
create mode 100644 Documentation/ndctl-disable-dimm.txt
create mode 100644 Documentation/ndctl-enable-dimm.txt
create mode 100644 Documentation/xable-dimm-options.txt
delete mode 100644 daxctl/Makefile.am
create mode 100644 daxctl/lib/Makefile.am
create mode 100644 ndctl/builtin-xable-dimm.c
create mode 100644 ndctl/lib/Makefile.am
create mode 100644 test/dsm-fail.c
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