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2020-09-10docs: add some new files to their respective index.rst filesMauro Carvalho Chehab1-0/+1
There were some new file additions for Kernel 5.7 and 5.8 that weren't added at the corresponding index file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9fd4d04f0d122ff38b5342a0098d99cc2f546652.1599660067.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-08-11Merge tag 'libnvdimm-for-5.9' of ↵Linus Torvalds1-0/+86
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updayes from Vishal Verma: "You'd normally receive this pull request from Dan Williams, but he's busy watching a newborn (Congrats Dan!), so I'm watching libnvdimm this cycle. This adds a new feature in libnvdimm - 'Runtime Firmware Activation', and a few small cleanups and fixes in libnvdimm and DAX. I'd originally intended to make separate topic-based pull requests - one for libnvdimm, and one for DAX, but some of the DAX material fell out since it wasn't quite ready. Summary: - add 'Runtime Firmware Activation' support for NVDIMMs that advertise the relevant capability - misc libnvdimm and DAX cleanups" * tag 'libnvdimm-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: libnvdimm/security: ensure sysfs poll thread woke up and fetch updated attr libnvdimm/security: the 'security' attr never show 'overwrite' state libnvdimm/security: fix a typo ACPI: NFIT: Fix ARS zero-sized allocation dax: Fix incorrect argument passed to xas_set_err() ACPI: NFIT: Add runtime firmware activate support PM, libnvdimm: Add runtime firmware activation support libnvdimm: Convert to DEVICE_ATTR_ADMIN_RO() drivers/dax: Expand lock scope to cover the use of addresses fs/dax: Remove unused size parameter dax: print error message by pr_info() in __generic_fsdax_supported() driver-core: Introduce DEVICE_ATTR_ADMIN_{RO,RW} tools/testing/nvdimm: Emulate firmware activation commands tools/testing/nvdimm: Prepare nfit_ctl_test() for ND_CMD_CALL emulation tools/testing/nvdimm: Add command debug messages tools/testing/nvdimm: Cleanup dimm index passing ACPI: NFIT: Define runtime firmware activation commands ACPI: NFIT: Move bus_dsm_mask out of generic nvdimm_bus_descriptor libnvdimm: Validate command family indices
2020-07-29PM, libnvdimm: Add runtime firmware activation supportDan Williams1-0/+86
Abstract platform specific mechanics for nvdimm firmware activation behind a handful of generic ops. At the bus level ->activate_state() indicates the unified state (idle, busy, armed) of all DIMMs on the bus, and ->capability() indicates the system state expectations for activate. At the DIMM level ->activate_state() indicates the per-DIMM state, ->activate_result() indicates the outcome of the last activation attempt, and ->arm() attempts to transition the DIMM from 'idle' to 'armed'. A new hibernate_quiet_exec() facility is added to support firmware activation in an OS defined system quiesce state. It leverages the fact that the hibernate-freeze state wants to assert that a memory hibernation snapshot can be taken. This is in contrast to a platform firmware defined quiesce state that may forcefully quiet the memory controller independent of whether an individual device-driver properly supports hibernate-freeze. The libnvdimm sysfs interface is extended to support detection of a firmware activate capability. The mechanism supports enumeration and triggering of firmware activate, optionally in the hibernate_quiet_exec() context. [rafael: hibernate_quiet_exec() proposal] [vishal: fix up sparse warning, grammar in Documentation/] Cc: Pavel Machek <pavel@ucw.cz> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Reported-by: kernel test robot <lkp@intel.com> Co-developed-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Signed-off-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
2020-07-13Documentation/driver-api: nvdimm: drop doubled wordRandy Dunlap1-1/+1
Drop the doubled word "to". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20200704034502.17199-14-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-06-26Replace HTTP links with HTTPS ones: Documentation/driver-apiAlexander A. Klimov2-7/+7
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Link: https://lore.kernel.org/r/20200621133512.46311-1-grandmaster@al2klimov.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-04-28doc: nvdimm: remove reference to non-existent CONFIG_NFIT_TESTMichal Suchanek1-2/+2
The test driver is in tools/testing/nvdimm and cannot be selected by a config option. Signed-off-by: Michal Suchanek <msuchanek@suse.de> Link: https://lore.kernel.org/r/20200415211654.10827-1-msuchanek@suse.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-07-15docs: don't use nested tablesMauro Carvalho Chehab1-1/+1
Nested tables aren't supported for pdf output on Sphinx 1.7.9: admin-guide/laptops/sonypi:: nested tables are not yet implemented. admin-guide/laptops/toshiba_haps:: nested tables are not yet implemented. driver-api/nvdimm/btt:: nested tables are not yet implemented. s390/debugging390:: nested tables are not yet implemented. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> # laptops
2019-07-15docs: add SPDX tags to new index filesMauro Carvalho Chehab1-0/+2
All those new files I added are under GPL v2.0 license. Add the corresponding SPDX headers to them. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-07-15docs: nvdimm: add it to the driver-api bookMauro Carvalho Chehab4-0/+1325
The descriptions here are from Kernel driver's PoV. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Dan Williams <dan.j.williams@intel.com>