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2286 Commits

Author SHA1 Message Date
Rafael J. Wysocki
b11ffaeacd Merge branch 'acpi-tables' 
* acpi-tables:
  ACPI: tables: introduce support for FPDT table
 2021-02-25 18:57:40 +01:00
Maximilian Luz
6c0b5e3fc6 ACPI: platform: Add balanced-performance platform profile 
Some devices, including most Microsoft Surface devices, have a platform
profile somewhere inbetween balanced and performance. More specifically,
adding this profile allows the following mapping on Surface devices:

  Vendor Name           Platform Profile
  ------------------------------------------
  Battery Saver         low-power
  Recommended           balanced
  Better Performance    balanced-performance
  Best Performance      performance

Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2021-02-24 14:52:41 +01:00
Linus Torvalds
e0fbd25bb3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input updates from Dmitry Torokhov:
 "Mostly existing driver fixes plus a new driver for game controllers
  directly connected to Nintendo 64, and an enhancement for keyboards
  driven by Chrome OS EC to communicate layout of the top row to
  userspace"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (47 commits)
  Input: st1232 - fix NORMAL vs. IDLE state handling
  Input: aiptek - convert sysfs sprintf/snprintf family to sysfs_emit
  Input: alps - fix spelling of "positive"
  ARM: dts: cros-ec-keyboard: Use keymap macros
  dt-bindings: input: Fix the keymap for LOCK key
  dt-bindings: input: Create macros for cros-ec keymap
  Input: cros-ec-keyb - expose function row physical map to userspace
  dt-bindings: input: cros-ec-keyb: Add a new property describing top row
  Input: applespi - fix occasional crc errors under load.
  Input: applespi - don't wait for responses to commands indefinitely.
  Input: st1232 - add IDLE state as ready condition
  Input: zinitix - fix return type of zinitix_init_touch()
  Input: i8042 - add ASUS Zenbook Flip to noselftest list
  Input: add missing dependencies on CONFIG_HAS_IOMEM
  Input: joydev - prevent potential read overflow in ioctl
  Input: elo - fix an error code in elo_connect()
  Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
  Input: sur40 - fix an error code in sur40_probe()
  Input: elants_i2c - detect enum overflow
  Input: zinitix - remove unneeded semicolon
  ...
 2021-02-23 14:56:23 -08:00
Philip Chen
820c872795 Input: cros-ec-keyb - expose function row physical map to userspace 
The top-row keys in a keyboard usually have dual functionalities.
E.g. A function key "F1" is also an action key "Browser back".

Therefore, when an application receives an action key code from
a top-row key press, the application needs to know how to correlate
the action key code with the function key code and do the conversion
whenever necessary.

Since the userpace already knows the key scanlines (row/column)
associated with a received key code. Essentially, the userspace only
needs a mapping between the key row/column and the matching physical
location in the top row.

So, enhance the cros-ec-keyb driver to create such a mapping
and expose it to userspace in the form of a function_row_physmap
attribute. The attribute would be a space separated ordered list of
row/column codes for the keys in the function row, in a left-to-right
order.

The attribute will only be present when the device has a custom design
for the top-row keys.

Signed-off-by: Philip Chen <philipchen@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210115122412.v7.2.I6542d7d9d0b246e7079bb16b41e697b2ac4b4e39@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2021-02-22 21:22:15 -08:00
Linus Torvalds
bdb39c9509 SCSI misc on 20210219 
This series consists of the usual driver updates (ufs, ibmvfc,
 qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
 is bound to cause conflicts with a trivial change somewhere).  The
 only big major rework of note is the one from Hannes trying to clean
 up our result handling code in the drivers to make it consistent.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (ufs, ibmvfc,
  qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
  is bound to cause conflicts with a trivial change somewhere).

  The only big major rework of note is the one from Hannes trying to
  clean up our result handling code in the drivers to make it
  consistent"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (194 commits)
  scsi: MAINTAINERS: Adjust to reflect gdth scsi driver removal
  scsi: ufs: Give clk scaling min gear a value
  scsi: lpfc: Fix 'physical' typos
  scsi: megaraid_mbox: Fix spelling of 'allocated'
  scsi: qla2xxx: Simplify the calculation of variables
  scsi: message: fusion: Fix 'physical' typos
  scsi: target: core: Change ASCQ for residual write
  scsi: target: core: Signal WRITE residuals
  scsi: target: core: Set residuals for 4Kn devices
  scsi: hisi_sas: Add trace FIFO debugfs support
  scsi: hisi_sas: Flush workqueue in hisi_sas_v3_remove()
  scsi: hisi_sas: Enable debugfs support by default
  scsi: hisi_sas: Don't check .nr_hw_queues in hisi_sas_task_prep()
  scsi: hisi_sas: Remove deferred probe check in hisi_sas_v2_probe()
  scsi: lpfc: Add auto select on IRQ_POLL
  scsi: ncr53c8xx: Fix typos
  scsi: lpfc: Fix ancient double free
  scsi: qla2xxx: Fix some memory corruption
  scsi: qla2xxx: Remove redundant NULL check
  scsi: megaraid: Fix ifnullfree.cocci warnings
  ...
 2021-02-22 10:24:58 -08:00
Linus Torvalds
a7dcf5f235 power supply and reset changes for the v5.12 series 
battery/charger driver changes:
  * acer_a500: new fuel gauge driver for Acer Iconia Tab A500
  * bq256xx: new charger driver
  * bq27xxx: Support CHARGE_NOW for bq27z561/bq28z610/bq34z100
  * bq27xxx: Fix inverted CURRENT_NOW sign
  * cpcap: rework fuel gauge and charger drivers
  * ltc4162l: new charger driver
  * max8997-charger: add extcon based current limit configuration
  * max8903, wm97xx, z2: convert to GPIO descriptors (incl. ARM board files)
  * misc. cleanup and fixes
 
 reset drivers:
  * new poweroff driver for ATC260x
  * at91-sama5d2_shdwc: add support for sama7g5
  * drop zte zx driver (SoC support is removed from kernel)
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Merge tag 'for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Battery/charger driver changes:
   - acer_a500: new fuel gauge driver for Acer Iconia Tab A500
   - bq256xx: new charger driver
   - bq27xxx: Support CHARGE_NOW for bq27z561/bq28z610/bq34z100
   - bq27xxx: Fix inverted CURRENT_NOW sign
   - cpcap: rework fuel gauge and charger drivers
   - ltc4162l: new charger driver
   - max8997-charger: add extcon based current limit configuration
   - max8903, wm97xx, z2: convert to GPIO descriptors (incl. ARM board files)
   - misc cleanup and fixes

  Reset drivers:
   - new poweroff driver for ATC260x
   - at91-sama5d2_shdwc: add support for sama7g5
   - drop zte zx driver (SoC support is removed from kernel)"

* tag 'for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (55 commits)
  power-supply: use kobj_to_dev()
  power: supply: charger-manager: fix typo
  power/reset: remove zte zx driver
  power: supply: bq25980: Fix repetive bq25975 with bq25960
  power: supply: smb347-charger: Fix interrupt usage if interrupt is unavailable
  power: supply: axp20x_usb_power: Init work before enabling IRQs
  power: supply: fix sbs-charger build, needs REGMAP_I2C
  power: supply: bq27xxx: fix polarity of current_now
  power: supply: charger-manager: fix incorrect health status
  power: reset: at91-sama5d2_shdwc: add support for sama7g5
  dt-bindings: atmel-sysreg: add microchip,sama7g5-shdwc
  power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
  dt-bindings: power/supply: Add ltc4162-l-charger
  power: supply: bq24190_charger: convert comma to semicolon
  power: supply: ab8500_fg: convert comma to semicolon
  power: supply: ds2780: Switch to using the new API kobj_to_dev()
  power: supply: bq27xxx: Support CHARGE_NOW for bq27z561/bq28z610/bq34z100
  power: supply: cpcap-charger: Fix power_supply_put on null battery pointer
  power: supply: cpcap-battery: constify psy_desc
  power: supply: cpcap-battery: Fix typo
  ...
 2021-02-22 09:49:59 -08:00
Linus Torvalds
f158bbee94 - Core Frameworks 
- Standardise MFD_CELL_* helpers
 
  - New Drivers
    - Add support for Acer Iconia Tab A500 Embedded Controller
 
  - New Device Support
    - Add support for ROHM BD9574MWF to BD9571MWV
    - Add support for Intel Alder Lake PCH-P PCI to LPSS
    - Add support for Intel Alder Lake PCH-S PCI to LPSS
 
  - New Functionality
    - Support ACPI enumeration; arizona
 
  - Fix-ups
    - Managed resources; bd9571mwv
    - DT additions/fix-ups; bd9571mwv, iqs62x, max8997, gateworks-gsc, ene-kb930
    - Convert to SPDX; bd9571mw
    - Fix return values/error handling; sunxi
    - Provide SOFTDEP; arizona
    - Make use of DIV_ROUND_UP; mcp-sa11x0
    - Use generic APIs; arizona
    - Add MAC address sysfs entries; intel-m10-bmc
    - Trivial: Coding-style fix-ups; iqs62x
    - Trivial: Remove superflouous code; iqs62x
    - Clear-up naming conventions; iqs62x
 
  - Bug Fixes
    - Fix 'pointer from integer' error; altera-sysmgr
    - Convert SGI_MFD_IOC3 from tristate to bool; Kconfig
    - Fix interrupt handling; gateworks-gsc
    - Extend required delay; iqs62x
    - Do not use I2C polling during calibration; iqs62x
    - Do no adjust clock frequency during calibration; iqs62x
    - Fix use-after-free; wm831x-auxad
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Merge tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Standardise MFD_CELL_* helpers

  New Drivers:
   - Add support for Acer Iconia Tab A500 Embedded Controller

  New Device Support:
   - Add support for ROHM BD9574MWF to BD9571MWV
   - Add support for Intel Alder Lake PCH-P PCI to LPSS
   - Add support for Intel Alder Lake PCH-S PCI to LPSS

  New Functionality:
   - Support ACPI enumeration; arizona

  Fix-ups:
   - Managed resources; bd9571mwv
   - DT additions/fix-ups; bd9571mwv, iqs62x, max8997, gateworks-gsc, ene-kb930
   - Convert to SPDX; bd9571mw
   - Fix return values/error handling; sunxi
   - Provide SOFTDEP; arizona
   - Make use of DIV_ROUND_UP; mcp-sa11x0
   - Use generic APIs; arizona
   - Add MAC address sysfs entries; intel-m10-bmc
   - Trivial: Coding-style fix-ups; iqs62x
   - Trivial: Remove superflouous code; iqs62x
   - Clear-up naming conventions; iqs62x

  Bug Fixes:
   - Fix 'pointer from integer' error; altera-sysmgr
   - Convert SGI_MFD_IOC3 from tristate to bool; Kconfig
   - Fix interrupt handling; gateworks-gsc
   - Extend required delay; iqs62x
   - Do not use I2C polling during calibration; iqs62x
   - Do no adjust clock frequency during calibration; iqs62x
   - Fix use-after-free; wm831x-auxad"

* tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (32 commits)
  mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
  mfd: iqs62x: Do not change clock frequency during ATI
  mfd: iqs62x: Do not poll during ATI
  mfd: iqs62x: Increase interrupt handler return delay
  mfd: iqs62x: Rename regmap_config struct
  mfd: iqs62x: Remove unused bit mask
  mfd: iqs62x: Remove superfluous whitespace above fallthroughs
  mfd: intel-lpss: Add Intel Alder Lake PCH-S PCI IDs
  mfd: intel-m10-bmc: Expose MAC address and count
  mfd: Add driver for Embedded Controller found on Acer Iconia Tab A500
  dt-bindings: mfd: Add ENE KB930 Embedded Controller binding
  dt-bindings: mfd: gateworks-gsc: Add fan-tach mode
  mfd: intel-lpss: Add Intel Alder Lake PCH-P PCI IDs
  mfd: gateworks-gsc: Fix interrupt type
  mfd: Standardise MFD_CELL_* helper names
  mfd: mcp-sa11x0: Use DIV_ROUND_UP to calculate rw_timeout
  mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell
  dt-bindings: mfd: Correct the node name of the panel LED
  mfd: sgi-ioc3: Turn Kconfig option into a bool
  mfd: altera-sysmgr: Fix physical address storing more
  ...
 2021-02-22 09:29:42 -08:00
Linus Torvalds
983e4adae0 platform-drivers-x86 for v5.12-1 
- Microsoft Surface devices System Aggregator Module support
 - SW_TABLET_MODE reporting improvements
 - thinkpad_acpi keyboard language setting support
 - platform / DPTF profile settings support
  - Base / userspace API parts merged from Rafael's acpi-platform branch
  - thinkpad_acpi and ideapad-laptop support through pdx86
 - Remove support for some obsolete Intel MID platforms through merging
   of the shared intel-mid-removal branch
 - Big cleanup of the ideapad-laptop driver
 - Misc. other fixes / new hw support / quirks
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  platform-profile: Fix possible deadlock in platform_profile_remove()
  -  platform-profile: Introduce object pointers to callbacks
  -  platform-profile: Drop const qualifier for cur_profile
  -  platform: Add platform profile support
 
 Documentation:
  -  Add documentation for new platform_profile sysfs attribute
 
 Documentation/ABI:
  -  sysfs-platform-ideapad-laptop: conservation_mode attribute
  -  sysfs-platform-ideapad-laptop: update device attribute paths
 
 Kconfig:
  -  add missing selects for ideapad-laptop
 
 MAINTAINERS:
  -  update email address for Henrique de Moraes Holschuh
 
 Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
  - Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
 
 Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans:
  - Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans
 
 Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next:
  - Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next
 
 Move all dell drivers to their own subdirectory:
  - Move all dell drivers to their own subdirectory
 
 Platform:
  -  OLPC: Constify static struct regulator_ops
  -  OLPC: Specify the enable time
  -  OLPC: Remove dcon_rdev from olpc_ec_priv
  -  OLPC: Fix probe error handling
 
 Revert "platform/x86:
  -  ideapad-laptop: Switch touchpad attribute to be RO"
 
 acer-wmi:
  -  Don't use ACPI_EXCEPTION()
 
 amd-pmc:
  -  put device on error paths
  -  Fix CONFIG_DEBUG_FS check
 
 dell-wmi-sysman:
  -  fix a NULL pointer dereference
 
 docs:
  -  driver-api: Add Surface Aggregator subsystem documentation
 
 drm/gma500:
  -  Get rid of duplicate NULL checks
  -  Convert to use new SCU IPC API
 
 gpio:
  -  msic: Remove driver for deprecated platform
  -  intel-mid: Remove driver for deprecated platform
 
 hp-wmi:
  -  Disable tablet-mode reporting by default
  -  Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
 
 i2c-multi-instantiate:
  -  Don't create platform device for INT3515 ACPI nodes
 
 ideapad-laptop:
  -  add "always on USB charging" control support
  -  add keyboard backlight control support
  -  send notification about touchpad state change to sysfs
  -  fix checkpatch warnings, more consistent style
  -  change 'cfg' debugfs file format
  -  change 'status' debugfs file format
  -  check for touchpad support in _CFG
  -  check for Fn-lock support in HALS
  -  rework is_visible() logic
  -  rework and create new ACPI helpers
  -  group and separate (un)related constants into enums
  -  misc. device attribute changes
  -  always propagate error codes from device attributes' show() callback
  -  convert ACPI helpers to return -EIO in case of failure
  -  use dev_{err,warn} or appropriate variant to display log messages
  -  use msecs_to_jiffies() helper instead of hand-crafted formula
  -  use for_each_set_bit() helper to simplify event processing
  -  use kobj_to_dev()
  -  use device_{add,remove}_group
  -  use sysfs_emit()
  -  add missing call to submodule destructor
  -  sort includes lexicographically
  -  use appropriately typed variable to store the return value of ACPI methods
  -  remove unnecessary NULL checks
  -  remove unnecessary dev_set_drvdata() call
  -  DYTC Platform profile support
  -  Disable touchpad_switch for ELAN0634
 
 intel-vbtn:
  -  Eval VBDL after registering our notifier
  -  Add alternative method to enable switches
  -  Create 2 separate input-devs for buttons and switches
  -  Rework wakeup handling in notify_handler()
  -  Drop HP Stream x360 Convertible PC 11 from allow-list
  -  Support for tablet mode on Dell Inspiron 7352
 
 intel_mid_powerbtn:
  -  Remove driver for deprecated platform
  -  Remove driver for deprecated platform
 
 intel_mid_thermal:
  -  Remove driver for deprecated platform
  -  Remove driver for deprecated platform
 
 intel_pmt:
  -  Make INTEL_PMT_CLASS non-user-selectable
 
 intel_pmt_crashlog:
  -  Add dependency on MFD_INTEL_PMT
 
 intel_pmt_telemetry:
  -  Add dependency on MFD_INTEL_PMT
 
 intel_scu_ipc:
  -  Increase virtual timeout from 3 to 5 seconds
 
 intel_scu_wdt:
  -  Drop mistakenly added const
  -  Get rid of custom x86 model comparison
  -  Drop SCU notification
  -  Move driver from arch/x86
 
 msi-wmi:
  -  Fix variable 'status' set but not used compiler warning
 
 platform/surface:
  -  aggregator: Fix access of unaligned value
  -  Add Surface Hot-Plug driver
  -  surface3-wmi: Fix variable 'status' set but not used compiler warning
  -  aggregator: Fix braces in if condition with unlikely() macro
  -  aggregator: Fix kernel-doc references
  -  aggregator: fix a kernel-doc markup
  -  aggregator_cdev: Add comments regarding unchecked allocation size
  -  aggregator_cdev: Fix access of uninitialized variables
  -  fix potential integer overflow on shift of a int
  -  Add Surface ACPI Notify driver
  -  Add Surface Aggregator user-space interface
  -  aggregator: Add dedicated bus and device type
  -  aggregator: Add error injection capabilities
  -  aggregator: Add trace points
  -  aggregator: Add event item allocation caching
  -  aggregator: Add control packet allocation caching
  -  Add Surface Aggregator subsystem
  -  SURFACE_PLATFORMS should depend on ACPI
  -  surface_gpe: Fix non-PM_SLEEP build warnings
 
 platform/x86/intel-uncore-freq:
  -  Add Sapphire Rapids server support
 
 rtc:
  -  mrst: Remove driver for deprecated platform
 
 sony-laptop:
  -  Remove unneeded semicolon
 
 thinkpad_acpi:
  -  Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
  -  Fix 'warning: no previous prototype for' warnings
  -  Add platform profile support
  -  fixed warning and incorporated review comments
  -  rectify length of title underline
  -  Don't register keyboard_lang unnecessarily
  -  set keyboard language
  -  Add P53/73 firmware to fan_quirk_table for dual fan control
  -  correct palmsensor error checking
 
 tools/power/x86/intel-speed-select:
  -  Update version to 1.8
  -  Add new command to get/set TRL
  -  Add new command turbo-mode
  -  Set higher of cpuinfo_max_freq or base_frequency
  -  Set scaling_max_freq to base_frequency
 
 touchscreen_dmi:
  -  Add info for the Jumper EZpad 7 tablet
  -  Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
 
 watchdog:
  -  intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
  -  intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
 "Highlights:

   - Microsoft Surface devices System Aggregator Module support

   - SW_TABLET_MODE reporting improvements

   - thinkpad_acpi keyboard language setting support

   - platform / DPTF profile settings support:

      - Base / userspace API parts merged from Rafael's acpi-platform
        branch

      - thinkpad_acpi and ideapad-laptop support through pdx86

   - Remove support for some obsolete Intel MID platforms through
     merging of the shared intel-mid-removal branch

   - Big cleanup of the ideapad-laptop driver

   - Misc other fixes / new hw support / quirks"

* tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits)
  platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds
  platform/surface: aggregator: Fix access of unaligned value
  tools/power/x86/intel-speed-select: Update version to 1.8
  tools/power/x86/intel-speed-select: Add new command to get/set TRL
  tools/power/x86/intel-speed-select: Add new command turbo-mode
  Platform: OLPC: Constify static struct regulator_ops
  platform/surface: Add Surface Hot-Plug driver
  platform/x86: intel_scu_wdt: Drop mistakenly added const
  platform/x86: Kconfig: add missing selects for ideapad-laptop
  platform/x86: acer-wmi: Don't use ACPI_EXCEPTION()
  platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
  platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings
  platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
  platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning
  platform/x86: Move all dell drivers to their own subdirectory
  Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute
  Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths
  platform/x86: ideapad-laptop: add "always on USB charging" control support
  platform/x86: ideapad-laptop: add keyboard backlight control support
  platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs
  ...
 2021-02-22 08:50:01 -08:00
Linus Torvalds
d643a99089 integrity-v5.12 
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Merge tag 'integrity-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull IMA updates from Mimi Zohar:
 "New is IMA support for measuring kernel critical data, as per usual
  based on policy. The first example measures the in memory SELinux
  policy. The second example measures the kernel version.

  In addition are four bug fixes to address memory leaks and a missing
  'static' function declaration"

* tag 'integrity-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  integrity: Make function integrity_add_key() static
  ima: Free IMA measurement buffer after kexec syscall
  ima: Free IMA measurement buffer on error
  IMA: Measure kernel version in early boot
  selinux: include a consumer of the new IMA critical data hook
  IMA: define a builtin critical data measurement policy
  IMA: extend critical data hook to limit the measurement based on a label
  IMA: limit critical data measurement based on a label
  IMA: add policy rule to measure critical data
  IMA: define a hook to measure kernel integrity critical data
  IMA: add support to measure buffer data hash
  IMA: generalize keyring specific measurement constructs
  evm: Fix memleak in init_desc
 2021-02-21 17:08:06 -08:00
Linus Torvalds
8b42fe123b f2fs-for-5.12-rc1 
We've added two major features: 1) compression level and 2) checkpoint_merge, in
 this round. 1) compression level expands 'compress_algorithm' mount option to
 accept parameter as format of <algorithm>:<level>, by this way, it gives a way
 to allow user to do more specified config on lz4 and zstd compression level,
 then f2fs compression can provide higher compress ratio. 2) checkpoint_merge
 creates a kernel daemon and makes it to merge concurrent checkpoint requests as
 much as possible to eliminate redundant checkpoint issues. Plus, we can
 eliminate the sluggish issue caused by slow checkpoint operation when the
 checkpoint is done in a process context in a cgroup having low i/o budget and
 cpu shares.
 
 Enhancement:
  - add compress level for lz4 and zstd in mount option
  - checkpoint_merge mount option
  - deprecate f2fs_trace_io
 
 Bug fix:
  - flush data when enabling checkpoint back
  - handle corner cases of mount options
  - missing ACL update and lock for I_LINKABLE flag
  - attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
  - fix potential deadlock in compression flow
  - fix wrong submit_io condition
 
 As usual, we've cleaned up many code flows and fixed minor bugs.
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Merge tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "We've added two major features: 1) compression level and 2)
  checkpoint_merge, in this round.

  Compression level expands 'compress_algorithm' mount option to accept
  parameter as format of <algorithm>:<level>, by this way, it gives a
  way to allow user to do more specified config on lz4 and zstd
  compression level, then f2fs compression can provide higher compress
  ratio.

  checkpoint_merge creates a kernel daemon and makes it to merge
  concurrent checkpoint requests as much as possible to eliminate
  redundant checkpoint issues. Plus, we can eliminate the sluggish issue
  caused by slow checkpoint operation when the checkpoint is done in a
  process context in a cgroup having low i/o budget and cpu shares.

  Enhancements:
   - add compress level for lz4 and zstd in mount option
   - checkpoint_merge mount option
   - deprecate f2fs_trace_io

  Bug fixes:
   - flush data when enabling checkpoint back
   - handle corner cases of mount options
   - missing ACL update and lock for I_LINKABLE flag
   - attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
   - fix potential deadlock in compression flow
   - fix wrong submit_io condition

  As usual, we've cleaned up many code flows and fixed minor bugs"

* tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
  Documentation: f2fs: fix typo s/automaic/automatic
  f2fs: give a warning only for readonly partition
  f2fs: don't grab superblock freeze for flush/ckpt thread
  f2fs: add ckpt_thread_ioprio sysfs node
  f2fs: introduce checkpoint_merge mount option
  f2fs: relocate inline conversion from mmap() to mkwrite()
  f2fs: fix a wrong condition in __submit_bio
  f2fs: remove unnecessary initialization in xattr.c
  f2fs: fix to avoid inconsistent quota data
  f2fs: flush data when enabling checkpoint back
  f2fs: deprecate f2fs_trace_io
  f2fs: Remove readahead collision detection
  f2fs: remove unused stat_{inc, dec}_atomic_write
  f2fs: introduce sb_status sysfs node
  f2fs: fix to use per-inode maxbytes
  f2fs: compress: fix potential deadlock
  libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
  f2fs: fix to set/clear I_LINKABLE under i_lock
  f2fs: fix null page reference in redirty_blocks
  f2fs: clean up post-read processing
  ...
 2021-02-21 10:09:32 -08:00
Linus Torvalds
3c8f504b3a ACPI updates for 5.12-rc1 
- Update ACPICA code in the kernel to upstream revision 20201113
    with changes as follows:
 
    * Remove the MTMR (Mid-Timer) table (Al Stone).
    * Remove the VRTC table (Al Stone).
    * Add type casts for string functions (Bob Moore).
    * Update all copyrights to 2021 (Bob Moore).
    * Fix exception code class checks (Maximilian Luz).
    * Clean up exception code class checks (Maximilian Luz).
    * Fix -Wfallthrough (Nick Desaulniers).
 
  - Add support for setting and reading global profile of the platform
    along with documentation (Mark Pearson, Hans de Goede, Jiaxun Yang).
 
  - Fix fwnode properties matching and clean up the code handling
    device properties and its documentation (Rafael Wysocki, Andy
    Shevchenko).
 
  - Clean up ACPI-based device enumeration code (Rafael Wysocki).
 
  - Clean up the CPPC support library code (Ionela Voinescu).
 
  - Clean up the APEI support code (Yang Li, Yazen Ghannam).
 
  - Update GPIO-related properties documentation (Flavio Suligoi).
 
  - Consolidate and clean up the printing of messages in several
    places (Rafael Wysocki).
 
  - Fix error code path in configfs handling code (Qinglang Miao).
 
  - Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
 
  - Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
    multiple places (Bjorn Helgaas).
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Merge tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20210105, fix and clean up the handling of device properties, add
  support for setting global profile of the platform, clean up device
  enumeration, the CPPC library, the APEI support and more, update the
  documentation, consolidate the printing of messages in several places
  and make assorted janitorial changes.

  Specifics:

   - Update ACPICA code in the kernel to upstream revision 20201113 with
     changes as follows:

      * Remove the MTMR (Mid-Timer) table (Al Stone).
      * Remove the VRTC table (Al Stone).
      * Add type casts for string functions (Bob Moore).
      * Update all copyrights to 2021 (Bob Moore).
      * Fix exception code class checks (Maximilian Luz).
      * Clean up exception code class checks (Maximilian Luz).
      * Fix -Wfallthrough (Nick Desaulniers).

   - Add support for setting and reading global profile of the platform
     along with documentation (Mark Pearson, Hans de Goede, Jiaxun
     Yang).

   - Fix fwnode properties matching and clean up the code handling
     device properties and its documentation (Rafael Wysocki, Andy
     Shevchenko).

   - Clean up ACPI-based device enumeration code (Rafael Wysocki).

   - Clean up the CPPC support library code (Ionela Voinescu).

   - Clean up the APEI support code (Yang Li, Yazen Ghannam).

   - Update GPIO-related properties documentation (Flavio Suligoi).

   - Consolidate and clean up the printing of messages in several places
     (Rafael Wysocki).

   - Fix error code path in configfs handling code (Qinglang Miao).

   - Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).

   - Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
     multiple places (Bjorn Helgaas)"

* tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
  ACPI: property: Satisfy kernel doc validator (part 2)
  ACPI: property: Satisfy kernel doc validator (part 1)
  ACPI: property: Make acpi_node_prop_read() static
  ACPI: property: Remove dead code
  ACPI: property: Fix fwnode string properties matching
  ACPI: OSL: Clean up printing messages
  ACPI: OSL: Rework acpi_check_resource_conflict()
  ACPI: APEI: ERST: remove unneeded semicolon
  ACPI: thermal: Clean up printing messages
  ACPI: video: Clean up printing messages
  ACPI: button: Clean up printing messages
  ACPI: battery: Clean up printing messages
  ACPI: AC: Clean up printing messages
  ACPI: bus: Drop ACPI_BUS_COMPONENT which is not used any more
  ACPI: utils: Clean up printing messages
  ACPI: scan: Clean up printing messages
  ACPI: bus: Clean up printing messages
  ACPI: PM: Clean up printing messages
  ACPI: power: Clean up printing messages
  ACPI: APEI: Add is_generic_error() to identify GHES sources
  ...
 2021-02-20 21:50:59 -08:00
Linus Torvalds
5d99aa093b Staging/IIO driver patches for 5.12-rc1 
Here is the "big" set of staging and IIO driver patches for 5.12-rc1.
 
 Nothing really huge in here, the number of staging tree patches has gone
 down for a bit, maybe there's only so much churn to happen in here at
 the moment.
 
 The IIO changes are:
 	- new drivers
 	- new DT bindings
 	- new iio driver features
 with full details in the shortlog.
 
 The staging driver patches are just a lot of tiny coding style cleanups,
 along with some semi-larger hikey driver cleanups as those are _almost_
 good enough to get out of the staging tree, but will probably have to
 wait until 5.13 to have happen.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver updates from Greg KH:
 "Here is the "big" set of staging and IIO driver patches for 5.12-rc1.

  Nothing really huge in here, the number of staging tree patches has
  gone down for a bit, maybe there's only so much churn to happen in
  here at the moment.

  The IIO changes are:

   - new drivers

   - new DT bindings

   - new iio driver features

  with full details in the shortlog.

  The staging driver patches are just a lot of tiny coding style
  cleanups, along with some semi-larger hikey driver cleanups as those
  are _almost_ good enough to get out of the staging tree, but will
  probably have to wait until 5.13 to have happen.

  All of these have been in linux-next with no reported issues"

* tag 'staging-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (189 commits)
  staging: hikey9xx: Fix alignment of function parameters
  staging: greybus: Fixed a misspelling in hid.c
  staging: wimax/i2400m: fix some byte order issues found by sparse
  staging: wimax: i2400m: fix some incorrect type warnings
  staging: greybus: minor code style fix
  staging:wlan-ng: use memdup_user instead of kmalloc/copy_from_user
  staging:r8188eu: use IEEE80211_FCTL_* kernel definitions
  staging: rtl8192e: remove multiple blank lines
  staging: greybus: Fixed alignment issue in hid.c
  staging: wfx: remove unused included header files
  staging: nvec: minor coding style fix
  staging: wimax: Fix some coding style problem
  staging: fbtft: add tearing signal detect
  staging: vt6656: Fixed issue with alignment in rf.c
  staging: qlge: Remove duplicate word in comment
  staging: rtl8723bs: remove obsolete commented out code
  staging: rtl8723bs: fix function comments to follow kernel-doc
  staging: wfx: avoid defining array of flexible struct
  staging: rtl8723bs: Replace one-element array with flexible-array member in struct ndis_80211_var_ie
  staging: Replace lkml.org links with lore
  ...
 2021-02-20 21:36:51 -08:00
Linus Torvalds
780607b973 USB/Thunderbolt patches for 5.12-rc1 
Here is the big set of USB and Thunderbolt driver changes for 5.12-rc1.
 
 It's been an active set of development in these subsystems for the past
 few months:
 	- loads of typec features added for new hardware
 	- xhci features and bugfixes
 	- dwc3 features added for more hardware support
 	- dwc2 fixes and new hardware support
 	- cdns3 driver updates for more hardware support
 	- gadget driver cleanups and minor fixes
 	- usb-serial fixes, new driver, and more devices supported
 	- thunderbolt feature additions for new hardware
 	- lots of other tiny fixups and additions
 The chrome driver changes are in here as well, as they depended on some
 of the typec changes, and the maintainer acked them.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for
  5.12-rc1.

  It's been an active set of development in these subsystems for the
  past few months:

   - loads of typec features added for new hardware

   - xhci features and bugfixes

   - dwc3 features added for more hardware support

   - dwc2 fixes and new hardware support

   - cdns3 driver updates for more hardware support

   - gadget driver cleanups and minor fixes

   - usb-serial fixes, new driver, and more devices supported

   - thunderbolt feature additions for new hardware

   - lots of other tiny fixups and additions

  The chrome driver changes are in here as well, as they depended on
  some of the typec changes, and the maintainer acked them.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (300 commits)
  dt-bindings: usb: mediatek: musb: add mt8516 compatbile
  dt-bindings: usb: mtk-xhci: add compatible for mt2701 and mt7623
  dt-bindings: usb: mtk-xhci: add optional assigned clock properties
  Documentation: connector: Update the description of sink-vdos
  usb: misc: usb3503: Fix logic in usb3503_init()
  dt-bindings: usb: usb-device: fix typo in required properties
  usb: Replace lkml.org links with lore
  dt-bindings: usb: dwc3: add description for rk3328
  dt-bindings: usb: convert rockchip,dwc3.txt to yaml
  usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
  USB: quirks: sort quirk entries
  USB: serial: drop bogus to_usb_serial_port() checks
  USB: serial: make remove callback return void
  USB: serial: drop if with an always false condition
  usb: gadget: Assign boolean values to a bool variable
  usb: typec: tcpm: Get Sink VDO from fwnode
  dt-bindings: connector: Add SVDM VDO properties
  usb: typec: displayport: Fill the negotiated SVDM Version in the header
  usb: typec: ucsi: Determine common SVDM Version
  usb: typec: tcpm: Determine common SVDM Version
  ...
 2021-02-20 21:32:37 -08:00
Linus Torvalds
e4286926ab TTY/Serial driver changes for 5.12-rc1 
Here is the big set of tty/serial driver changes for 5.12-rc1.
 
 Nothing huge, just lots of good cleanups and additions:
 	- Your n_tty line discipline cleanups
 	- vt core cleanups and reworks to make the code more "modern"
 	- stm32 driver additions
 	- tty led support added to the tty core and led layer
 	- minor serial driver fixups and additions
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 5.12-rc1.

  Nothing huge, just lots of good cleanups and additions:

   - n_tty line discipline cleanups

   - vt core cleanups and reworks to make the code more "modern"

   - stm32 driver additions

   - tty led support added to the tty core and led layer

   - minor serial driver fixups and additions

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (54 commits)
  serial: core: Remove BUG_ON(in_interrupt()) check
  vt_ioctl: Remove in_interrupt() check
  dt-bindings: serial: imx: Switch to my personal address
  vt: keyboard, use new API for keyboard_tasklet
  serial: stm32: improve platform_get_irq condition handling in init_port
  serial: ifx6x60: Remove driver for deprecated platform
  tty: fix up iterate_tty_read() EOVERFLOW handling
  tty: fix up hung_up_tty_read() conversion
  tty: fix up hung_up_tty_write() conversion
  tty: teach the n_tty ICANON case about the new "cookie continuations" too
  tty: teach n_tty line discipline about the new "cookie continuations"
  tty: clean up legacy leftovers from n_tty line discipline
  tty: implement read_iter
  tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer
  serial: remove sirf prima/atlas driver
  serial: mxs-auart: Remove <asm/cacheflush.h>
  serial: mxs-auart: Remove serial_mxs_probe_dt()
  serial: fsl_lpuart: Use of_device_get_match_data()
  dt-bindings: serial: renesas,hscif: Add r8a779a0 support
  tty: serial: Drop unused efm32 serial driver
  ...
 2021-02-20 21:28:04 -08:00
Rafael J. Wysocki
8af4d37844 Merge branches 'acpi-scan', 'acpi-properties' and 'acpi-platform' 
* acpi-scan:
  ACPI: scan: Rearrange code related to acpi_get_device_data()
  ACPI: scan: Adjust white space in acpi_device_add()
  ACPI: scan: Rearrange memory allocation in acpi_device_add()

* acpi-properties:
  ACPI: property: Satisfy kernel doc validator (part 2)
  ACPI: property: Satisfy kernel doc validator (part 1)
  ACPI: property: Make acpi_node_prop_read() static
  ACPI: property: Remove dead code
  ACPI: property: Fix fwnode string properties matching

* acpi-platform:
  ACPI: platform-profile: Fix possible deadlock in platform_profile_remove()
  ACPI: platform-profile: Introduce object pointers to callbacks
  ACPI: platform-profile: Drop const qualifier for cur_profile
  ACPI: platform: Add platform profile support
  Documentation: Add documentation for new platform_profile sysfs attribute
 2021-02-15 17:04:04 +01:00
Wei Wang
5fdd2f0e5c net: add sysfs attribute to control napi threaded mode 
This patch adds a new sysfs attribute to the network device class.
Said attribute provides a per-device control to enable/disable the
threaded mode for all the napi instances of the given network device,
without the need for a device up/down.
User sets it to 1 or 0 to enable or disable threaded mode.
Note: when switching between threaded and the current softirq based mode
for a napi instance, it will not immediately take effect if the napi is
currently being polled. The mode switch will happen for the next time
napi_schedule() is called.

Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Co-developed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Co-developed-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Wei Wang <weiwan@google.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-02-09 15:27:28 -08:00
Greg Kroah-Hartman
0a25669ba8 thunderbolt: Changes for v5.12 merge window 
This includes following Thunderbolt/USB4 changes for v5.12 merge
 window:
 
   * Start lane initialization after sleep for Thunderbolt 3 compatible
     devices
 
   * Add support for de-authorizing PCIe tunnels (software based
     connection manager only)
 
   * Add support for new ACPI 6.4 USB4 _OSC
 
   * Allow disabling XDomain protocol
 
   * Add support for new SL5 security level
 
   * Clean up kernel-docs to pass W=1 builds
 
   * A couple of cleanups and minor fixes
 
 All these have been in linux-next without reported issues.
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Merge tag 'thunderbolt-for-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next

Mika writes:

thunderbolt: Changes for v5.12 merge window

This includes following Thunderbolt/USB4 changes for v5.12 merge
window:

  * Start lane initialization after sleep for Thunderbolt 3 compatible
    devices

  * Add support for de-authorizing PCIe tunnels (software based
    connection manager only)

  * Add support for new ACPI 6.4 USB4 _OSC

  * Allow disabling XDomain protocol

  * Add support for new SL5 security level

  * Clean up kernel-docs to pass W=1 builds

  * A couple of cleanups and minor fixes

All these have been in linux-next without reported issues.

* tag 'thunderbolt-for-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: (27 commits)
  thunderbolt: Add support for native USB4 _OSC
  ACPI: Add support for native USB4 control _OSC
  ACPI: Execute platform _OSC also with query bit clear
  thunderbolt: Allow disabling XDomain protocol
  thunderbolt: Add support for PCIe tunneling disabled (SL5)
  thunderbolt: dma_test: Drop unnecessary include
  thunderbolt: Add clarifying comments about USB4 terms router and adapter
  thunderbolt: switch: Fix kernel-doc descriptions of non-static functions
  thunderbolt: nhi: Fix kernel-doc descriptions of non-static functions
  thunderbolt: path: Fix kernel-doc descriptions of non-static functions
  thunderbolt: eeprom: Fix kernel-doc descriptions of non-static functions
  thunderbolt: ctl: Fix kernel-doc descriptions of non-static functions
  thunderbolt: switch: Fix function name in the header
  thunderbolt: tunnel: Fix misspelling of 'receive_path'
  thunderbolt: icm: Fix a couple of formatting issues
  thunderbolt: switch: Demote a bunch of non-conformant kernel-doc headers
  thunderbolt: tb: Kernel-doc function headers should document their parameters
  thunderbolt: nhi: Demote some non-conformant kernel-doc headers
  thunderbolt: xdomain: Fix 'tb_unregister_service_driver()'s 'drv' param
  thunderbolt: eeprom: Demote non-conformant kernel-doc headers to standard comment blocks
  ...
 2021-02-09 13:00:07 +01:00
Russ Weight
296f5568c6 mfd: intel-m10-bmc: Expose MAC address and count 
Create two sysfs entries for exposing the MAC address and count
from the MAX10 BMC register space. The MAC address is the first
in a sequential block of MAC addresses reserved for the FPGA card.
The MAC count is the number of MAC addresses in the reserved block.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
 2021-02-08 13:54:25 +00:00
Barnabás Pőcze
cb3acb1564 Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute 
Document the conservation_mode attributes provided by the ideapad-laptop module.

Fixes: ade50296186a ("platform/x86: ideapad-laptop: Expose conservation mode switch")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-30-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
 2021-02-04 10:21:50 +01:00
Barnabás Pőcze
725f41339a Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths 
The documentation referred to non-existent device
attributes under a non-existent platform device.
Update it with the current location of the attributes.

Fixes: b5c37b798f2d ("ideapad_laptop: convert ideapad device/driver to platform bus")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-29-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
 2021-02-04 10:21:46 +01:00
Barnabás Pőcze
6b49dea4fd platform/x86: ideapad-laptop: add "always on USB charging" control support 
Certain models have a so-called "always on USB charging" feature,
which enables USB charging even when the computer is turned off
or suspended, and which may be controlled/queried using the
SALS/HALS ACPI methods. Expose this functionality via a new device
attribute (usb_charging). Tested on: Lenovo YOGA 520-14IKB 80X8

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-28-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
 2021-02-04 10:21:43 +01:00
Mika Westerberg
3cd542e6e6 thunderbolt: Add support for PCIe tunneling disabled (SL5) 
Recent Intel Thunderbolt firmware connection manager has support for
another security level, SL5, that disables PCIe tunneling. This option
can be turned on from the BIOS.

When this is set the driver exposes a new security level "nopcie" to the
userspace and hides the authorized attribute under connected devices.

While there we also hide it when "dponly" security level is enabled
since it is not really usable in that case anyway.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
 2021-02-04 10:45:24 +03:00
Daeho Jeong
e659206617 f2fs: add ckpt_thread_ioprio sysfs node 
Added "ckpt_thread_ioprio" sysfs node to give a way to change checkpoint
merge daemon's io priority. Its default value is "be,3", which means
"BE" I/O class and I/O priority "3". We can select the class between "rt"
and "be", and set the I/O priority within valid range of it.
"," delimiter is necessary in between I/O class and priority number.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
 2021-02-03 13:03:58 -08:00
Benson Leung
f5030e2526 usb: typec: Provide PD Specification Revision for cable and partner 
The USB Power Delivery specification Section 6.2.1.1.5 outlines
revision backward compatibility requirements starting from Revision 3.0.

The Port, the Cable Plug, and the Port Partner may support either
revision 2 or revision 3 independently, and communication between ports,
partners, and cables of different revisions are allowed under rules
that the parties agree to communicate between each other using the
lowest common operating revision.

This may mean that Port-to-Partner operating revision comms may be
different than Port-to-CablePlug operating revision comms. For example,
it is possible for a R3.0 port to communicate with a R3.0 partner
using R3.0 messages, while the R3.0 port (in the same session) must
communicate with the R2.0 cable using R2.0 messages only.

Introduce individual revision number properties for cable
and port partner so that the port can track them independently.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20210129061406.2680146-3-bleung@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-02-01 15:31:34 +01:00
Benson Leung
1ed8459d8f usb: typec: Standardize PD Revision format with Type-C Revision 
The Type-C Revision was in a specific BCD format "0120H" for 1.2.
USB PD revision numbers follow a similar pattern with "0300H" for 3.0.

Standardizes the sysfs format for usb_power_delivery_revision
to align with the BCD format used for usb_typec_revision.

Example values:
- "2.0": USB Power Delivery Release 2.0
- "3.0": USB Power Delivery Release 3.0
- "3.1": USB Power Delivery Release 3.1

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20210129061406.2680146-2-bleung@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-02-01 15:31:34 +01:00
Vladimir Oltean
53da0ebaad net: dsa: allow changing the tag protocol via the "tagging" device attribute 
Currently DSA exposes the following sysfs:
$ cat /sys/class/net/eno2/dsa/tagging
ocelot

which is a read-only device attribute, introduced in the kernel as
commit 98cdb4807123 ("net: dsa: Expose tagging protocol to user-space"),
and used by libpcap since its commit 993db3800d7d ("Add support for DSA
link-layer types").

It would be nice if we could extend this device attribute by making it
writable:
$ echo ocelot-8021q > /sys/class/net/eno2/dsa/tagging

This is useful with DSA switches that can make use of more than one
tagging protocol. It may be useful in dsa_loop in the future too, to
perform offline testing of various taggers, or for changing between dsa
and edsa on Marvell switches, if that is desirable.

In terms of implementation, drivers can support this feature by
implementing .change_tag_protocol, which should always leave the switch
in a consistent state: either with the new protocol if things went well,
or with the old one if something failed. Teardown of the old protocol,
if necessary, must be handled by the driver.

Some things remain as before:
- The .get_tag_protocol is currently only called at probe time, to load
  the initial tagging protocol driver. Nonetheless, new drivers should
  report the tagging protocol in current use now.
- The driver should manage by itself the initial setup of tagging
  protocol, no later than the .setup() method, as well as destroying
  resources used by the last tagger in use, no earlier than the
  .teardown() method.

For multi-switch DSA trees, error handling is a bit more complicated,
since e.g. the 5th out of 7 switches may fail to change the tag
protocol. When that happens, a revert to the original tag protocol is
attempted, but that may fail too, leaving the tree in an inconsistent
state despite each individual switch implementing .change_tag_protocol
transactionally. Since the intersection between drivers that implement
.change_tag_protocol and drivers that support D in DSA is currently the
empty set, the possibility for this error to happen is ignored for now.

Testing:

$ insmod mscc_felix.ko
[   79.549784] mscc_felix 0000:00:00.5: Adding to iommu group 14
[   79.565712] mscc_felix 0000:00:00.5: Failed to register DSA switch: -517
$ insmod tag_ocelot.ko
$ rmmod mscc_felix.ko
$ insmod mscc_felix.ko
[   97.261724] libphy: VSC9959 internal MDIO bus: probed
[   97.267363] mscc_felix 0000:00:00.5: Found PCS at internal MDIO address 0
[   97.274998] mscc_felix 0000:00:00.5: Found PCS at internal MDIO address 1
[   97.282561] mscc_felix 0000:00:00.5: Found PCS at internal MDIO address 2
[   97.289700] mscc_felix 0000:00:00.5: Found PCS at internal MDIO address 3
[   97.599163] mscc_felix 0000:00:00.5 swp0 (uninitialized): PHY [0000:00:00.3:10] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
[   97.862034] mscc_felix 0000:00:00.5 swp1 (uninitialized): PHY [0000:00:00.3:11] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
[   97.950731] mscc_felix 0000:00:00.5 swp0: configuring for inband/qsgmii link mode
[   97.964278] 8021q: adding VLAN 0 to HW filter on device swp0
[   98.146161] mscc_felix 0000:00:00.5 swp2 (uninitialized): PHY [0000:00:00.3:12] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
[   98.238649] mscc_felix 0000:00:00.5 swp1: configuring for inband/qsgmii link mode
[   98.251845] 8021q: adding VLAN 0 to HW filter on device swp1
[   98.433916] mscc_felix 0000:00:00.5 swp3 (uninitialized): PHY [0000:00:00.3:13] driver [Microsemi GE VSC8514 SyncE] (irq=POLL)
[   98.485542] mscc_felix 0000:00:00.5: configuring for fixed/internal link mode
[   98.503584] mscc_felix 0000:00:00.5: Link is Up - 2.5Gbps/Full - flow control rx/tx
[   98.527948] device eno2 entered promiscuous mode
[   98.544755] DSA: tree 0 setup

$ ping 10.0.0.1
PING 10.0.0.1 (10.0.0.1): 56 data bytes
64 bytes from 10.0.0.1: seq=0 ttl=64 time=2.337 ms
64 bytes from 10.0.0.1: seq=1 ttl=64 time=0.754 ms
^C
 -  10.0.0.1 ping statistics  -
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 0.754/1.545/2.337 ms

$ cat /sys/class/net/eno2/dsa/tagging
ocelot
$ cat ./test_ocelot_8021q.sh
        #!/bin/bash

        ip link set swp0 down
        ip link set swp1 down
        ip link set swp2 down
        ip link set swp3 down
        ip link set swp5 down
        ip link set eno2 down
        echo ocelot-8021q > /sys/class/net/eno2/dsa/tagging
        ip link set eno2 up
        ip link set swp0 up
        ip link set swp1 up
        ip link set swp2 up
        ip link set swp3 up
        ip link set swp5 up
$ ./test_ocelot_8021q.sh
./test_ocelot_8021q.sh: line 9: echo: write error: Protocol not available
$ rmmod tag_ocelot.ko
rmmod: can't unload module 'tag_ocelot': Resource temporarily unavailable
$ insmod tag_ocelot_8021q.ko
$ ./test_ocelot_8021q.sh
$ cat /sys/class/net/eno2/dsa/tagging
ocelot-8021q
$ rmmod tag_ocelot.ko
$ rmmod tag_ocelot_8021q.ko
rmmod: can't unload module 'tag_ocelot_8021q': Resource temporarily unavailable
$ ping 10.0.0.1
PING 10.0.0.1 (10.0.0.1): 56 data bytes
64 bytes from 10.0.0.1: seq=0 ttl=64 time=0.953 ms
64 bytes from 10.0.0.1: seq=1 ttl=64 time=0.787 ms
64 bytes from 10.0.0.1: seq=2 ttl=64 time=0.771 ms
$ rmmod mscc_felix.ko
[  645.544426] mscc_felix 0000:00:00.5: Link is Down
[  645.838608] DSA: tree 0 torn down
$ rmmod tag_ocelot_8021q.ko

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2021-01-29 21:24:39 -08:00
Zhang Rui
d1eb86e59b ACPI: tables: introduce support for FPDT table 
ACPI Firmware Performance Data Table (FPDT) provides information about
firmware performance during system boot, S3 suspend and S3 resume.

Have the kernel parse the FPDT table, and expose the firmware
performance data to userspace as sysfs attributes under
/sys/firmware/acpi/fpdt/.

Tested-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2021-01-29 19:24:13 +01:00
Daniele Palmas
b4b91e2409 net: qmi_wwan: document qmap/mux_id sysfs file 
Document qmap/mux_id sysfs file showing qmimux interface id

Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2021-01-28 18:00:18 -08:00
Chao Yu
0bfe9f7904 f2fs: introduce sb_status sysfs node 
Introduce /sys/fs/f2fs/<devname>/stat/sb_status to show superblock
status in real time as a hexadecimal value.

value           sb status macro                 description

0x1             SBI_IS_DIRTY,                   /* dirty flag for checkpoint */
0x2             SBI_IS_CLOSE,                   /* specify unmounting */
0x4             SBI_NEED_FSCK,                  /* need fsck.f2fs to fix */
0x8             SBI_POR_DOING,                  /* recovery is doing or not */
0x10            SBI_NEED_SB_WRITE,              /* need to recover superblock */
0x20            SBI_NEED_CP,                    /* need to checkpoint */
0x40            SBI_IS_SHUTDOWN,                /* shutdown by ioctl */
0x80            SBI_IS_RECOVERED,               /* recovered orphan/data */
0x100           SBI_CP_DISABLED,                /* CP was disabled last mount */
0x200           SBI_CP_DISABLED_QUICK,          /* CP was disabled quickly */
0x400           SBI_QUOTA_NEED_FLUSH,           /* need to flush quota info in CP */
0x800           SBI_QUOTA_SKIP_FLUSH,           /* skip flushing quota in current CP */
0x1000          SBI_QUOTA_NEED_REPAIR,          /* quota file may be corrupted */
0x2000          SBI_IS_RESIZEFS,                /* resizefs is in process */

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
 2021-01-27 15:20:06 -08:00
Martin K. Petersen
4d82e9db42 Merge branch '5.11/scsi-fixes' into 5.12/scsi-queue 
The UFS core has received a substantial rework this cycle. This in
turn has caused a merge conflict in linux-next. Merge 5.11/scsi-fixes
into 5.12/scsi-queue and resolve the conflict.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2021-01-26 21:52:58 -05:00
Raphael Gianotti
b3f82afc10 IMA: Measure kernel version in early boot 
The integrity of a kernel can be verified by the boot loader on cold
boot, and during kexec, by the current running kernel, before it is
loaded. However, it is still possible that the new kernel being
loaded is older than the current kernel, and/or has known
vulnerabilities. Therefore, it is imperative that an attestation
service be able to verify the version of the kernel being loaded on
the client, from cold boot and subsequent kexec system calls,
ensuring that only kernels with versions known to be good are loaded.

Measure the kernel version using ima_measure_critical_data() early on
in the boot sequence, reducing the chances of known kernel
vulnerabilities being exploited. With IMA being part of the kernel,
this overall approach makes the measurement itself more trustworthy.

To enable measuring the kernel version "ima_policy=critical_data"
needs to be added to the kernel command line arguments.
For example,
        BOOT_IMAGE=/boot/vmlinuz-5.11.0-rc3+ root=UUID=fd643309-a5d2-4ed3-b10d-3c579a5fab2f ro nomodeset ima_policy=critical_data

If runtime measurement of the kernel version is ever needed, the
following should be added to /etc/ima/ima-policy:

        measure func=CRITICAL_DATA label=kernel_info

To extract the measured data after boot, the following command can be used:

        grep -m 1 "kernel_version" \
        /sys/kernel/security/integrity/ima/ascii_runtime_measurements

Sample output from the command above:

        10 a8297d408e9d5155728b619761d0dd4cedf5ef5f ima-buf
        sha256:5660e19945be0119bc19cbbf8d9c33a09935ab5d30dad48aa11f879c67d70988
        kernel_version 352e31312e302d7263332d31363138372d676564623634666537383234342d6469727479

The above hex-ascii string corresponds to the kernel version
(e.g. xxd -r -p):

        5.11.0-rc3-16187-gedb64fe78244-dirty

Signed-off-by: Raphael Gianotti <raphgi@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
 2021-01-26 19:06:41 -05:00
Greg Kroah-Hartman
0f8b29faba Merge 5.11-rc5 into tty-next 
We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-25 11:19:46 +01:00
Greg Kroah-Hartman
ec52736c35 Merge 5.11-rc5 into staging-next 
We need the IIO/Staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-25 10:37:59 +01:00
Linus Torvalds
443d11297b Driver core fixes for 5.11-rc5 
Here are some small driver core fixes for 5.11-rc5 that resolve some
 reported problems:
 	- revert of a -rc1 patch that was causing problems with some
 	  machines
 	- device link device name collision problem fix (busses only
 	  have to name devices unique to their bus, not unique to all
 	  busses)
 	- kernfs splice bugfixes to resolve firmware loading problems
 	  for Qualcomm systems.
 	- other tiny driver core fixes for minor issues reported.
 
 All of these have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small driver core fixes for 5.11-rc5 that resolve some
  reported problems:

   - revert of a -rc1 patch that was causing problems with some machines

   - device link device name collision problem fix (busses only have to
     name devices unique to their bus, not unique to all busses)

   - kernfs splice bugfixes to resolve firmware loading problems for
     Qualcomm systems.

   - other tiny driver core fixes for minor issues reported.

  All of these have been in linux-next with no reported problems"

* tag 'driver-core-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Fix device link device name collision
  driver core: Extend device_is_dependent()
  kernfs: wire up ->splice_read and ->splice_write
  kernfs: implement ->write_iter
  kernfs: implement ->read_iter
  Revert "driver core: Reorder devices on successful probe"
  Driver core: platform: Add extra error check in devm_platform_get_irqs_affinity()
  drivers core: Free dma_range_map when driver probe failed
 2021-01-24 11:05:48 -08:00
Cristian Pop
b1a1fd93e1 Documentation/ABI/testing: Add documentation for AD5766 new ABI 
New interface is proposed for dither functionality. This future allows
composing  an external signals to the selected output channel.
The dither signal can be turned on/off, scaled, inverted, or it can be
selected from different sources.

Signed-off-by: Cristian Pop <cristian.pop@analog.com>
Link: https://lore.kernel.org/r/20210115112105.58652-2-cristian.pop@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-01-22 08:52:05 +00:00
Ye Xiang
3cc718bc79 iio:Documentation: Add documentation for hinge sensor channels 
Add channel description for hinge sensor, including channel label
attribute and raw data description.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Link: https://lore.kernel.org/r/20201215054444.9324-4-xiang.ye@intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-01-22 08:52:02 +00:00
Saravana Kannan
e020ff611b driver core: Fix device link device name collision 
The device link device's name was of the form:
<supplier-dev-name>--<consumer-dev-name>

This can cause name collision as reported here [1] as device names are
not globally unique. Since device names have to be unique within the
bus/class, add the bus/class name as a prefix to the device names used to
construct the device link device name.

So the devuce link device's name will be of the form:
<supplier-bus-name>:<supplier-dev-name>--<consumer-bus-name>:<consumer-dev-name>

[1] - https://lore.kernel.org/lkml/20201229033440.32142-1-michael@walle.cc/

Fixes: 287905e68dd2 ("driver core: Expose device link details in sysfs")
Cc: stable@vger.kernel.org
Reported-by: Michael Walle <michael@walle.cc>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210110175408.1465657-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-21 20:12:40 +01:00
Bean Huo
06aea26676 scsi: ufs: docs: ABI: Add wb_on documentation for new entry wb_on 
Adds UFS sysfs documentation for new entry wb_on.

[mkp: fix doc formatting]

Link: https://lore.kernel.org/r/20210119163847.20165-3-huobean@gmail.com
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

fix format
 2021-01-20 22:12:21 -05:00
Uwe Kleine-König
fd4a641ac8 leds: trigger: implement a tty trigger 
Usage is as follows:

	myled=ledname
	tty=ttyS0

	echo tty > /sys/class/leds/$myled/trigger
	echo $tty > /sys/class/leds/$myled/ttyname

. When this new trigger is active it periodically checks the tty's
statistics and when it changed since the last check the led is flashed
once.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210113173018.bq2fkea2o3yp6rf6@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-15 10:22:26 +01:00
Mika Westerberg
3da88be249 thunderbolt: Add support for de-authorizing devices 
In some cases it is useful to be able de-authorize devices. For example
if user logs out the userspace can have a policy that disconnects PCIe
devices until logged in again. This is only possible for software based
connection manager as it directly controls the tunnels.

For this reason make the authorized attribute accept writing 0 which
makes the software connection manager to tear down the corresponding
PCIe tunnel. Userspace can check if this is supported by reading a new
domain attribute deauthorization, that holds 1 in that case.

While there correct tb_domain_approve_switch() kernel-doc and
description of authorized attribute to mention that it is only about
PCIe tunnels.

Cc: Christian Kellner <christian@kellner.me>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
 2021-01-15 10:53:06 +03:00
Lakshmi Ramasubramanian
fdd1ffe8a8 selinux: include a consumer of the new IMA critical data hook 
SELinux stores the active policy in memory, so the changes to this data
at runtime would have an impact on the security guarantees provided
by SELinux.  Measuring in-memory SELinux policy through IMA subsystem
provides a secure way for the attestation service to remotely validate
the policy contents at runtime.

Measure the hash of the loaded policy by calling the IMA hook
ima_measure_critical_data().  Since the size of the loaded policy
can be large (several MB), measure the hash of the policy instead of
the entire policy to avoid bloating the IMA log entry.

To enable SELinux data measurement, the following steps are required:

1, Add "ima_policy=critical_data" to the kernel command line arguments
   to enable measuring SELinux data at boot time.
For example,
  BOOT_IMAGE=/boot/vmlinuz-5.10.0-rc1+ root=UUID=fd643309-a5d2-4ed3-b10d-3c579a5fab2f ro nomodeset security=selinux ima_policy=critical_data

2, Add the following rule to /etc/ima/ima-policy
   measure func=CRITICAL_DATA label=selinux

Sample measurement of the hash of SELinux policy:

To verify the measured data with the current SELinux policy run
the following commands and verify the output hash values match.

  sha256sum /sys/fs/selinux/policy | cut -d' ' -f 1

  grep "selinux-policy-hash" /sys/kernel/security/integrity/ima/ascii_runtime_measurements | tail -1 | cut -d' ' -f 6

Note that the actual verification of SELinux policy would require loading
the expected policy into an identical kernel on a pristine/known-safe
system and run the sha256sum /sys/kernel/selinux/policy there to get
the expected hash.

Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Suggested-by: Stephen Smalley <stephen.smalley.work@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
 2021-01-14 23:41:46 -05:00
Tushar Sugandhi
47d76a4840 IMA: limit critical data measurement based on a label 
Integrity critical data may belong to a single subsystem or it may
arise from cross subsystem interaction.  Currently there is no mechanism
to group or limit the data based on certain label.  Limiting and
grouping critical data based on a label would make it flexible and
configurable to measure.

Define "label:=", a new IMA policy condition, for the IMA func
CRITICAL_DATA to allow grouping and limiting measurement of integrity
critical data.

Limit the measurement to the labels that are specified in the IMA
policy - CRITICAL_DATA+"label:=".  If "label:=" is not provided with
the func CRITICAL_DATA, measure all the input integrity critical data.

Signed-off-by: Tushar Sugandhi <tusharsu@linux.microsoft.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
 2021-01-14 23:41:34 -05:00
Tushar Sugandhi
c4e43aa2ee IMA: add policy rule to measure critical data 
A new IMA policy rule is needed for the IMA hook
ima_measure_critical_data() and the corresponding func CRITICAL_DATA for
measuring the input buffer.  The policy rule should ensure the buffer
would get measured only when the policy rule allows the action.  The
policy rule should also support the necessary constraints (flags etc.)
for integrity critical buffer data measurements.

Add policy rule support for measuring integrity critical data.

Signed-off-by: Tushar Sugandhi <tusharsu@linux.microsoft.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
 2021-01-14 23:41:29 -05:00
Lukas Bulwahn
f2cb4b2397 scsi: docs: ABI: sysfs-driver-ufs: Rectify table formatting 
Commit 0b2894cd0fdf ("scsi: docs: ABI: sysfs-driver-ufs: Add DeepSleep
power mode") adds new entries in tables of sysfs-driver-ufs ABI
documentation, but formatted the table incorrectly.

Hence, make htmldocs warns:

  ./Documentation/ABI/testing/sysfs-driver-ufs:{915,956}:
  WARNING: Malformed table. Text in column margin in table line 15.

Rectify table formatting for DeepSleep power mode.

Link: https://lore.kernel.org/r/20210111102212.19377-1-lukas.bulwahn@gmail.com
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2021-01-12 22:45:09 -05:00
Mike Looijmans
cd900f181a power/supply: Add ltc4162-l-charger 
Add support for the LTC4162-L Li-Ion battery charger. The driver allows
reading back telemetry and to set some charging options like the input
current limit.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
 2021-01-13 00:46:34 +01:00
Adrian Hunter
0b2894cd0f scsi: docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode 
Update sysfs documentation for addition of DeepSleep power mode.

Link: https://lore.kernel.org/r/20210104155026.16417-1-adrian.hunter@intel.com
Fixes: fe1d4c2ebcae ("scsi: ufs: Add DeepSleep feature")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2021-01-07 22:24:05 -05:00
Mark Pearson
8e0cbf3563 Documentation: Add documentation for new platform_profile sysfs attribute 
On modern systems the platform performance, temperature, fan and other
hardware related characteristics are often dynamically configurable. The
profile is often automatically adjusted to the load by some
automatic-mechanism (which may very well live outside the kernel).

These auto platform-adjustment mechanisms often can be configured with
one of several 'platform-profiles', with either a bias towards low-power
consumption or towards performance (and higher power consumption and
thermals).

Introduce a new platform_profile sysfs API which offers a generic API for
selecting the performance-profile of these automatic-mechanisms.

Co-developed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2020-12-30 18:28:57 +01:00
Linus Torvalds
4960821a4d More power management updates for 5.11-rc1 
- Rework the passive-mode "fast switch" path in the intel_pstate
    driver to allow it receive the minimum (required) and target
    (desired) performance information from the schedutil governor so
    as to avoid running some workloads too fast (Rafael Wysocki).
 
  - Make the intel_pstate driver allow the policy max limit to be
    increased after the guaranteed performance value for the given
    CPU has increased (Rafael Wysocki).
 
  - Clean up the handling of CPU coordination types in the CPPC
    cpufreq driver and make it export frequency domains information
    to user space via sysfs (Ionela Voinescu).
 
  - Fix the ACPI code handling processor objects to use a correct
    coordination type when it fails to map frequency domains and drop
    a redundant CPU map initialization from it (Ionela Voinescu, Punit
    Agrawal).
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Merge tag 'pm-5.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These update the CPPC cpufreq driver and intel_pstate (which involves
  updating the cpufreq core and the schedutil governor) and make
  janitorial changes in the ACPI code handling processor objects.

  Specifics:

   - Rework the passive-mode "fast switch" path in the intel_pstate
     driver to allow it receive the minimum (required) and target
     (desired) performance information from the schedutil governor so as
     to avoid running some workloads too fast (Rafael Wysocki).

   - Make the intel_pstate driver allow the policy max limit to be
     increased after the guaranteed performance value for the given CPU
     has increased (Rafael Wysocki).

   - Clean up the handling of CPU coordination types in the CPPC cpufreq
     driver and make it export frequency domains information to user
     space via sysfs (Ionela Voinescu).

   - Fix the ACPI code handling processor objects to use a correct
     coordination type when it fails to map frequency domains and drop a
     redundant CPU map initialization from it (Ionela Voinescu, Punit
     Agrawal)"

* tag 'pm-5.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: Use most recent guaranteed performance values
  cpufreq: intel_pstate: Implement the ->adjust_perf() callback
  cpufreq: Add special-purpose fast-switching callback for drivers
  cpufreq: schedutil: Add util to struct sg_cpu
  cppc_cpufreq: replace per-cpu data array with a list
  cppc_cpufreq: expose information on frequency domains
  cppc_cpufreq: clarify support for coordination types
  cppc_cpufreq: use policy->cpu as driver of frequency setting
  ACPI: processor: fix NONE coordination for domain mapping failure
 2020-12-22 14:12:10 -08:00
Rafael J. Wysocki
c3a74f8e25 Merge branch 'pm-cpufreq' 
* pm-cpufreq:
  cpufreq: intel_pstate: Use most recent guaranteed performance values
  cpufreq: intel_pstate: Implement the ->adjust_perf() callback
  cpufreq: Add special-purpose fast-switching callback for drivers
  cpufreq: schedutil: Add util to struct sg_cpu
  cppc_cpufreq: replace per-cpu data array with a list
  cppc_cpufreq: expose information on frequency domains
  cppc_cpufreq: clarify support for coordination types
  cppc_cpufreq: use policy->cpu as driver of frequency setting
  ACPI: processor: fix NONE coordination for domain mapping failure
  ACPI: processor: Drop duplicate setting of shared_cpu_map
 2020-12-22 17:59:11 +01:00
Linus Torvalds
ff49c86f27 f2fs-for-5.11-rc1 
In this round, we've made more work into per-file compression support. For
 example, F2FS_IOC_GET|SET_COMPRESS_OPTION provides a way to change the
 algorithm or cluster size per file. F2FS_IOC_COMPRESS|DECOMPRESS_FILE provides
 a way to compress and decompress the existing normal files manually along with
 a new mount option, compress_mode=fs|user, which can control who compresses the
 data. Chao also added a checksum feature with a mount option so that we are able
 to detect any corrupted cluster. In addition, Daniel contributed casefolding
 with encryption patch, which will be used for Android devices.
 
 Enhancement:
  - add ioctls and mount option to manage per-file compression feature
  - support casefolding with encryption
  - support checksum for compressed cluster
  - avoid IO starvation by replacing mutex with rwsem
  - add sysfs, max_io_bytes, to control max bio size
 
 Bug fix:
  - fix use-after-free issue when compression and fsverity are enabled
  - fix consistency corruption during fault injection test
  - fix data offset for lseek
  - get rid of buffer_head which has 32bits limit in fiemap
  - fix some bugs in multi-partitions support
  - fix nat entry count calculation in shrinker
  - fix some stat information
 
 And, we've refactored some logics and fix minor bugs as well.
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Merge tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've made more work into per-file compression support.

  For example, F2FS_IOC_GET | SET_COMPRESS_OPTION provides a way to
  change the algorithm or cluster size per file. F2FS_IOC_COMPRESS |
  DECOMPRESS_FILE provides a way to compress and decompress the existing
  normal files manually.

  There is also a new mount option, compress_mode=fs|user, which can
  control who compresses the data.

  Chao also added a checksum feature with a mount option so that
  we are able to detect any corrupted cluster.

  In addition, Daniel contributed casefolding with encryption patch,
  which will be used for Android devices.

  Summary:

  Enhancements:
   - add ioctls and mount option to manage per-file compression feature
   - support casefolding with encryption
   - support checksum for compressed cluster
   - avoid IO starvation by replacing mutex with rwsem
   - add sysfs, max_io_bytes, to control max bio size

  Bug fixes:
   - fix use-after-free issue when compression and fsverity are enabled
   - fix consistency corruption during fault injection test
   - fix data offset for lseek
   - get rid of buffer_head which has 32bits limit in fiemap
   - fix some bugs in multi-partitions support
   - fix nat entry count calculation in shrinker
   - fix some stat information

  And, we've refactored some logics and fix minor bugs as well"

* tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (36 commits)
  f2fs: compress: fix compression chksum
  f2fs: fix shift-out-of-bounds in sanity_check_raw_super()
  f2fs: fix race of pending_pages in decompression
  f2fs: fix to account inline xattr correctly during recovery
  f2fs: inline: fix wrong inline inode stat
  f2fs: inline: correct comment in f2fs_recover_inline_data
  f2fs: don't check PAGE_SIZE again in sanity_check_raw_super()
  f2fs: convert to F2FS_*_INO macro
  f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size
  f2fs: don't allow any writes on readonly mount
  f2fs: avoid race condition for shrinker count
  f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
  f2fs: add compress_mode mount option
  f2fs: Remove unnecessary unlikely()
  f2fs: init dirty_secmap incorrectly
  f2fs: remove buffer_head which has 32bits limit
  f2fs: fix wrong block count instead of bytes
  f2fs: use new conversion functions between blks and bytes
  f2fs: rename logical_to_blk and blk_to_logical
  f2fs: fix kbytes written stat for multi-device case
  ...
 2020-12-17 11:18:00 -08:00