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docs: ABI: testing: make the files compatible with ReST output
Some files over there won't parse well by Sphinx. Fix them. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab
Greg Kroah-Hartman
parent
98913408c5
commit
3443333284
74 changed files with 1306 additions and 849 deletions
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@ -10,22 +10,24 @@ Description:
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This interfaces can be used to show spear's PCIe device capability.
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Nodes are only visible when configfs is mounted. To mount configfs
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in /config directory use:
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# mount -t configfs none /config/
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in /config directory use::
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For nth PCIe Device Controller
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/config/pcie-gadget.n/
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link ... used to enable ltssm and read its status.
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int_type ...used to configure and read type of supported
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interrupt
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no_of_msi ... used to configure number of MSI vector needed and
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# mount -t configfs none /config/
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For nth PCIe Device Controller /config/pcie-gadget.n/:
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=============== ======================================================
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link used to enable ltssm and read its status.
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int_type used to configure and read type of supported interrupt
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no_of_msi used to configure number of MSI vector needed and
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to read no of MSI granted.
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inta ... write 1 to assert INTA and 0 to de-assert.
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send_msi ... write MSI vector to be sent.
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vendor_id ... used to write and read vendor id (hex)
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device_id ... used to write and read device id (hex)
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bar0_size ... used to write and read bar0_size
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bar0_address ... used to write and read bar0 mapped area in hex.
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bar0_rw_offset ... used to write and read offset of bar0 where
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bar0_data will be written or read.
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bar0_data ... used to write and read data at bar0_rw_offset.
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inta write 1 to assert INTA and 0 to de-assert.
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send_msi write MSI vector to be sent.
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vendor_id used to write and read vendor id (hex)
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device_id used to write and read device id (hex)
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bar0_size used to write and read bar0_size
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bar0_address used to write and read bar0 mapped area in hex.
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bar0_rw_offset used to write and read offset of bar0 where bar0_data
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will be written or read.
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bar0_data used to write and read data at bar0_rw_offset.
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=============== ======================================================
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@ -12,22 +12,24 @@ Description:
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The attributes of a gadget:
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UDC - bind a gadget to UDC/unbind a gadget;
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write UDC's name found in /sys/class/udc/*
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to bind a gadget, empty string "" to unbind.
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================ ============================================
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UDC bind a gadget to UDC/unbind a gadget;
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write UDC's name found in /sys/class/udc/*
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to bind a gadget, empty string "" to unbind.
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max_speed - maximum speed the driver supports. Valid
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names are super-speed-plus, super-speed,
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high-speed, full-speed, and low-speed.
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max_speed maximum speed the driver supports. Valid
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names are super-speed-plus, super-speed,
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high-speed, full-speed, and low-speed.
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bDeviceClass - USB device class code
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bDeviceSubClass - USB device subclass code
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bDeviceProtocol - USB device protocol code
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bMaxPacketSize0 - maximum endpoint 0 packet size
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bcdDevice - bcd device release number
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bcdUSB - bcd USB specification version number
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idProduct - product ID
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idVendor - vendor ID
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bDeviceClass USB device class code
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bDeviceSubClass USB device subclass code
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bDeviceProtocol USB device protocol code
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bMaxPacketSize0 maximum endpoint 0 packet size
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bcdDevice bcd device release number
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bcdUSB bcd USB specification version number
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idProduct product ID
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idVendor vendor ID
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================ ============================================
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What: /config/usb-gadget/gadget/configs
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Date: Jun 2013
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@ -41,8 +43,10 @@ KernelVersion: 3.11
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Description:
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The attributes of a configuration:
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bmAttributes - configuration characteristics
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MaxPower - maximum power consumption from the bus
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================ ======================================
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bmAttributes configuration characteristics
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MaxPower maximum power consumption from the bus
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================ ======================================
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What: /config/usb-gadget/gadget/configs/config/strings
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Date: Jun 2013
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@ -57,7 +61,9 @@ KernelVersion: 3.11
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Description:
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The attributes:
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configuration - configuration description
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================ =========================
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configuration configuration description
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================ =========================
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What: /config/usb-gadget/gadget/functions
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@ -76,8 +82,10 @@ Description:
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The attributes:
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compatible_id - 8-byte string for "Compatible ID"
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sub_compatible_id - 8-byte string for "Sub Compatible ID"
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================= =====================================
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compatible_id 8-byte string for "Compatible ID"
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sub_compatible_id 8-byte string for "Sub Compatible ID"
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================= =====================================
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What: /config/usb-gadget/gadget/functions/<func>.<inst>/interface.<n>/<property>
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Date: May 2014
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@ -89,16 +97,19 @@ Description:
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The attributes:
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type - value 1..7 for interpreting the data
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1: unicode string
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2: unicode string with environment variable
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3: binary
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4: little-endian 32-bit
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5: big-endian 32-bit
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6: unicode string with a symbolic link
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7: multiple unicode strings
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data - blob of data to be interpreted depending on
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===== ===============================================
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type value 1..7 for interpreting the data
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- 1: unicode string
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- 2: unicode string with environment variable
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- 3: binary
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- 4: little-endian 32-bit
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- 5: big-endian 32-bit
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- 6: unicode string with a symbolic link
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- 7: multiple unicode strings
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data blob of data to be interpreted depending on
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type
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===== ===============================================
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What: /config/usb-gadget/gadget/strings
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Date: Jun 2013
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@ -113,9 +124,11 @@ KernelVersion: 3.11
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Description:
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The attributes:
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serialnumber - gadget's serial number (string)
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product - gadget's product description
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manufacturer - gadget's manufacturer description
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============ =================================
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serialnumber gadget's serial number (string)
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product gadget's product description
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manufacturer gadget's manufacturer description
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============ =================================
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What: /config/usb-gadget/gadget/os_desc
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Date: May 2014
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@ -123,8 +136,10 @@ KernelVersion: 3.16
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Description:
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This group contains "OS String" extension handling attributes.
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use - flag turning "OS Desctiptors" support on/off
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b_vendor_code - one-byte value used for custom per-device and
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============= ===============================================
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use flag turning "OS Desctiptors" support on/off
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b_vendor_code one-byte value used for custom per-device and
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per-interface requests
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qw_sign - an identifier to be reported as "OS String"
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qw_sign an identifier to be reported as "OS String"
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proper
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============= ===============================================
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@ -4,8 +4,10 @@ KernelVersion: 3.19
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Description:
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The attributes:
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protocol - HID protocol to use
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report_desc - blob corresponding to HID report descriptors
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============= ============================================
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protocol HID protocol to use
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report_desc blob corresponding to HID report descriptors
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except the data passed through /dev/hidg<N>
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report_length - HID report length
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subclass - HID device subclass to use
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report_length HID report length
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subclass HID device subclass to use
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============= ============================================
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@ -4,14 +4,16 @@ KernelVersion: 3.11
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Description:
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The attributes:
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ifname - network device interface name associated with
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========= =============================================
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ifname network device interface name associated with
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this function instance
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qmult - queue length multiplier for high and
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qmult queue length multiplier for high and
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super speed
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host_addr - MAC address of host's end of this
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host_addr MAC address of host's end of this
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Ethernet over USB link
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dev_addr - MAC address of device's end of this
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dev_addr MAC address of device's end of this
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Ethernet over USB link
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class - USB interface class, default is 02 (hex)
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subclass - USB interface subclass, default is 06 (hex)
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protocol - USB interface protocol, default is 00 (hex)
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class USB interface class, default is 02 (hex)
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subclass USB interface subclass, default is 06 (hex)
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protocol USB interface protocol, default is 00 (hex)
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========= =============================================
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@ -4,11 +4,13 @@ KernelVersion: 4.14
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Description:
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The attributes:
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c_chmask - capture channel mask
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c_srate - capture sampling rate
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c_ssize - capture sample size (bytes)
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p_chmask - playback channel mask
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p_srate - playback sampling rate
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p_ssize - playback sample size (bytes)
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req_number - the number of pre-allocated request
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for both capture and playback
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========== ===================================
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c_chmask capture channel mask
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c_srate capture sampling rate
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c_ssize capture sample size (bytes)
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p_chmask playback channel mask
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p_srate playback sampling rate
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p_ssize playback sample size (bytes)
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req_number the number of pre-allocated request
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for both capture and playback
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========== ===================================
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@ -3,9 +3,11 @@ Date: Dec 2014
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KernelVersion: 4.0
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Description: UVC function directory
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streaming_maxburst - 0..15 (ss only)
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streaming_maxpacket - 1..1023 (fs), 1..3072 (hs/ss)
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streaming_interval - 1..16
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=================== =============================
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streaming_maxburst 0..15 (ss only)
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streaming_maxpacket 1..1023 (fs), 1..3072 (hs/ss)
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streaming_interval 1..16
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=================== =============================
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What: /config/usb-gadget/gadget/functions/uvc.name/control
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Date: Dec 2014
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@ -13,8 +15,11 @@ KernelVersion: 4.0
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Description: Control descriptors
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All attributes read only:
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bInterfaceNumber - USB interface number for this
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streaming interface
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================ =============================
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bInterfaceNumber USB interface number for this
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streaming interface
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================ =============================
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What: /config/usb-gadget/gadget/functions/uvc.name/control/class
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Date: Dec 2014
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@ -47,13 +52,16 @@ KernelVersion: 4.0
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Description: Default output terminal descriptors
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All attributes read only:
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iTerminal - index of string descriptor
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bSourceID - id of the terminal to which this terminal
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============== =============================================
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iTerminal index of string descriptor
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bSourceID id of the terminal to which this terminal
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is connected
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bAssocTerminal - id of the input terminal to which this output
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bAssocTerminal id of the input terminal to which this output
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terminal is associated
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wTerminalType - terminal type
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bTerminalID - a non-zero id of this terminal
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wTerminalType terminal type
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bTerminalID a non-zero id of this terminal
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============== =============================================
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What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
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Date: Dec 2014
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@ -66,16 +74,19 @@ KernelVersion: 4.0
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Description: Default camera terminal descriptors
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All attributes read only:
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bmControls - bitmap specifying which controls are
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supported for the video stream
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wOcularFocalLength - the value of Locular
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wObjectiveFocalLengthMax- the value of Lmin
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wObjectiveFocalLengthMin- the value of Lmax
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iTerminal - index of string descriptor
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bAssocTerminal - id of the output terminal to which
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this terminal is connected
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wTerminalType - terminal type
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bTerminalID - a non-zero id of this terminal
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======================== ====================================
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bmControls bitmap specifying which controls are
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supported for the video stream
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wOcularFocalLength the value of Locular
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wObjectiveFocalLengthMax the value of Lmin
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wObjectiveFocalLengthMin the value of Lmax
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iTerminal index of string descriptor
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bAssocTerminal id of the output terminal to which
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this terminal is connected
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wTerminalType terminal type
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bTerminalID a non-zero id of this terminal
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======================== ====================================
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What: /config/usb-gadget/gadget/functions/uvc.name/control/processing
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Date: Dec 2014
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@ -88,13 +99,16 @@ KernelVersion: 4.0
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Description: Default processing unit descriptors
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|
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All attributes read only:
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||||
iProcessing - index of string descriptor
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bmControls - bitmap specifying which controls are
|
||||
|
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=============== ========================================
|
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iProcessing index of string descriptor
|
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bmControls bitmap specifying which controls are
|
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supported for the video stream
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wMaxMultiplier - maximum digital magnification x100
|
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bSourceID - id of the terminal to which this unit is
|
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wMaxMultiplier maximum digital magnification x100
|
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bSourceID id of the terminal to which this unit is
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connected
|
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bUnitID - a non-zero id of this unit
|
||||
bUnitID a non-zero id of this unit
|
||||
=============== ========================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/control/header
|
||||
Date: Dec 2014
|
||||
|
|
@ -114,8 +128,11 @@ KernelVersion: 4.0
|
|||
Description: Streaming descriptors
|
||||
|
||||
All attributes read only:
|
||||
bInterfaceNumber - USB interface number for this
|
||||
streaming interface
|
||||
|
||||
================ =============================
|
||||
bInterfaceNumber USB interface number for this
|
||||
streaming interface
|
||||
================ =============================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class
|
||||
Date: Dec 2014
|
||||
|
|
@ -148,13 +165,16 @@ KernelVersion: 4.0
|
|||
Description: Default color matching descriptors
|
||||
|
||||
All attributes read only:
|
||||
bMatrixCoefficients - matrix used to compute luma and
|
||||
chroma values from the color primaries
|
||||
bTransferCharacteristics- optoelectronic transfer
|
||||
characteristic of the source picutre,
|
||||
also called the gamma function
|
||||
bColorPrimaries - color primaries and the reference
|
||||
white
|
||||
|
||||
======================== ======================================
|
||||
bMatrixCoefficients matrix used to compute luma and
|
||||
chroma values from the color primaries
|
||||
bTransferCharacteristics optoelectronic transfer
|
||||
characteristic of the source picutre,
|
||||
also called the gamma function
|
||||
bColorPrimaries color primaries and the reference
|
||||
white
|
||||
======================== ======================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg
|
||||
Date: Dec 2014
|
||||
|
|
@ -168,47 +188,52 @@ Description: Specific MJPEG format descriptors
|
|||
|
||||
All attributes read only,
|
||||
except bmaControls and bDefaultFrameIndex:
|
||||
bFormatIndex - unique id for this format descriptor;
|
||||
|
||||
=================== =====================================
|
||||
bFormatIndex unique id for this format descriptor;
|
||||
only defined after parent header is
|
||||
linked into the streaming class;
|
||||
read-only
|
||||
bmaControls - this format's data for bmaControls in
|
||||
bmaControls this format's data for bmaControls in
|
||||
the streaming header
|
||||
bmInterfaceFlags - specifies interlace information,
|
||||
bmInterfaceFlags specifies interlace information,
|
||||
read-only
|
||||
bAspectRatioY - the X dimension of the picture aspect
|
||||
bAspectRatioY the X dimension of the picture aspect
|
||||
ratio, read-only
|
||||
bAspectRatioX - the Y dimension of the picture aspect
|
||||
bAspectRatioX the Y dimension of the picture aspect
|
||||
ratio, read-only
|
||||
bmFlags - characteristics of this format,
|
||||
bmFlags characteristics of this format,
|
||||
read-only
|
||||
bDefaultFrameIndex - optimum frame index for this stream
|
||||
bDefaultFrameIndex optimum frame index for this stream
|
||||
=================== =====================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name/name
|
||||
Date: Dec 2014
|
||||
KernelVersion: 4.0
|
||||
Description: Specific MJPEG frame descriptors
|
||||
|
||||
bFrameIndex - unique id for this framedescriptor;
|
||||
only defined after parent format is
|
||||
linked into the streaming header;
|
||||
read-only
|
||||
dwFrameInterval - indicates how frame interval can be
|
||||
programmed; a number of values
|
||||
separated by newline can be specified
|
||||
dwDefaultFrameInterval - the frame interval the device would
|
||||
like to use as default
|
||||
dwMaxVideoFrameBufferSize- the maximum number of bytes the
|
||||
compressor will produce for a video
|
||||
frame or still image
|
||||
dwMaxBitRate - the maximum bit rate at the shortest
|
||||
frame interval in bps
|
||||
dwMinBitRate - the minimum bit rate at the longest
|
||||
frame interval in bps
|
||||
wHeight - height of decoded bitmap frame in px
|
||||
wWidth - width of decoded bitmam frame in px
|
||||
bmCapabilities - still image support, fixed frame-rate
|
||||
support
|
||||
========================= =====================================
|
||||
bFrameIndex unique id for this framedescriptor;
|
||||
only defined after parent format is
|
||||
linked into the streaming header;
|
||||
read-only
|
||||
dwFrameInterval indicates how frame interval can be
|
||||
programmed; a number of values
|
||||
separated by newline can be specified
|
||||
dwDefaultFrameInterval the frame interval the device would
|
||||
like to use as default
|
||||
dwMaxVideoFrameBufferSize the maximum number of bytes the
|
||||
compressor will produce for a video
|
||||
frame or still image
|
||||
dwMaxBitRate the maximum bit rate at the shortest
|
||||
frame interval in bps
|
||||
dwMinBitRate the minimum bit rate at the longest
|
||||
frame interval in bps
|
||||
wHeight height of decoded bitmap frame in px
|
||||
wWidth width of decoded bitmam frame in px
|
||||
bmCapabilities still image support, fixed frame-rate
|
||||
support
|
||||
========================= =====================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed
|
||||
Date: Dec 2014
|
||||
|
|
@ -220,50 +245,54 @@ Date: Dec 2014
|
|||
KernelVersion: 4.0
|
||||
Description: Specific uncompressed format descriptors
|
||||
|
||||
bFormatIndex - unique id for this format descriptor;
|
||||
================== =======================================
|
||||
bFormatIndex unique id for this format descriptor;
|
||||
only defined after parent header is
|
||||
linked into the streaming class;
|
||||
read-only
|
||||
bmaControls - this format's data for bmaControls in
|
||||
bmaControls this format's data for bmaControls in
|
||||
the streaming header
|
||||
bmInterfaceFlags - specifies interlace information,
|
||||
bmInterfaceFlags specifies interlace information,
|
||||
read-only
|
||||
bAspectRatioY - the X dimension of the picture aspect
|
||||
bAspectRatioY the X dimension of the picture aspect
|
||||
ratio, read-only
|
||||
bAspectRatioX - the Y dimension of the picture aspect
|
||||
bAspectRatioX the Y dimension of the picture aspect
|
||||
ratio, read-only
|
||||
bDefaultFrameIndex - optimum frame index for this stream
|
||||
bBitsPerPixel - number of bits per pixel used to
|
||||
bDefaultFrameIndex optimum frame index for this stream
|
||||
bBitsPerPixel number of bits per pixel used to
|
||||
specify color in the decoded video
|
||||
frame
|
||||
guidFormat - globally unique id used to identify
|
||||
guidFormat globally unique id used to identify
|
||||
stream-encoding format
|
||||
================== =======================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name/name
|
||||
Date: Dec 2014
|
||||
KernelVersion: 4.0
|
||||
Description: Specific uncompressed frame descriptors
|
||||
|
||||
bFrameIndex - unique id for this framedescriptor;
|
||||
only defined after parent format is
|
||||
linked into the streaming header;
|
||||
read-only
|
||||
dwFrameInterval - indicates how frame interval can be
|
||||
programmed; a number of values
|
||||
separated by newline can be specified
|
||||
dwDefaultFrameInterval - the frame interval the device would
|
||||
like to use as default
|
||||
dwMaxVideoFrameBufferSize- the maximum number of bytes the
|
||||
compressor will produce for a video
|
||||
frame or still image
|
||||
dwMaxBitRate - the maximum bit rate at the shortest
|
||||
frame interval in bps
|
||||
dwMinBitRate - the minimum bit rate at the longest
|
||||
frame interval in bps
|
||||
wHeight - height of decoded bitmap frame in px
|
||||
wWidth - width of decoded bitmam frame in px
|
||||
bmCapabilities - still image support, fixed frame-rate
|
||||
support
|
||||
========================= =====================================
|
||||
bFrameIndex unique id for this framedescriptor;
|
||||
only defined after parent format is
|
||||
linked into the streaming header;
|
||||
read-only
|
||||
dwFrameInterval indicates how frame interval can be
|
||||
programmed; a number of values
|
||||
separated by newline can be specified
|
||||
dwDefaultFrameInterval the frame interval the device would
|
||||
like to use as default
|
||||
dwMaxVideoFrameBufferSize the maximum number of bytes the
|
||||
compressor will produce for a video
|
||||
frame or still image
|
||||
dwMaxBitRate the maximum bit rate at the shortest
|
||||
frame interval in bps
|
||||
dwMinBitRate the minimum bit rate at the longest
|
||||
frame interval in bps
|
||||
wHeight height of decoded bitmap frame in px
|
||||
wWidth width of decoded bitmam frame in px
|
||||
bmCapabilities still image support, fixed frame-rate
|
||||
support
|
||||
========================= =====================================
|
||||
|
||||
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/header
|
||||
Date: Dec 2014
|
||||
|
|
@ -276,17 +305,20 @@ KernelVersion: 4.0
|
|||
Description: Specific streaming header descriptors
|
||||
|
||||
All attributes read only:
|
||||
bTriggerUsage - how the host software will respond to
|
||||
|
||||
==================== =====================================
|
||||
bTriggerUsage how the host software will respond to
|
||||
a hardware trigger interrupt event
|
||||
bTriggerSupport - flag specifying if hardware
|
||||
bTriggerSupport flag specifying if hardware
|
||||
triggering is supported
|
||||
bStillCaptureMethod - method of still image caputre
|
||||
bStillCaptureMethod method of still image caputre
|
||||
supported
|
||||
bTerminalLink - id of the output terminal to which
|
||||
bTerminalLink id of the output terminal to which
|
||||
the video endpoint of this interface
|
||||
is connected
|
||||
bmInfo - capabilities of this video streaming
|
||||
bmInfo capabilities of this video streaming
|
||||
interface
|
||||
==================== =====================================
|
||||
|
||||
What: /sys/class/udc/udc.name/device/gadget/video4linux/video.name/function_name
|
||||
Date: May 2018
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@ Description:
|
|||
General information like which GPE is assigned to the EC and whether
|
||||
the global lock should get used.
|
||||
Knowing the EC GPE one can watch the amount of HW events related to
|
||||
the EC here (XY -> GPE number from /sys/kernel/debug/ec/*/gpe):
|
||||
the EC here (XY -> GPE number from `/sys/kernel/debug/ec/*/gpe`):
|
||||
/sys/firmware/acpi/interrupts/gpeXY
|
||||
|
||||
The io file is binary and a userspace tool located here:
|
||||
|
|
@ -14,7 +14,8 @@ ftp://ftp.suse.com/pub/people/trenn/sources/ec/
|
|||
should get used to read out the 256 Embedded Controller registers
|
||||
or writing to them.
|
||||
|
||||
CAUTION: Do not write to the Embedded Controller if you don't know
|
||||
what you are doing! Rebooting afterwards also is a good idea.
|
||||
This can influence the way your machine is cooled and fans may
|
||||
not get switched on again after you did a wrong write.
|
||||
CAUTION:
|
||||
Do not write to the Embedded Controller if you don't know
|
||||
what you are doing! Rebooting afterwards also is a good idea.
|
||||
This can influence the way your machine is cooled and fans may
|
||||
not get switched on again after you did a wrong write.
|
||||
|
|
|
|||
|
|
@ -4,16 +4,15 @@ KernelVersion: 2.6.20
|
|||
Contact: Thomas Maier <balagi@justmail.de>
|
||||
Description:
|
||||
|
||||
debugfs interface
|
||||
-----------------
|
||||
|
||||
The pktcdvd module (packet writing driver) creates
|
||||
these files in debugfs:
|
||||
|
||||
/sys/kernel/debug/pktcdvd/pktcdvd[0-7]/
|
||||
|
||||
==== ====== ====================================
|
||||
info (0444) Lots of driver statistics and infos.
|
||||
==== ====== ====================================
|
||||
|
||||
Example:
|
||||
-------
|
||||
Example::
|
||||
|
||||
cat /sys/kernel/debug/pktcdvd/pktcdvd0/info
|
||||
cat /sys/kernel/debug/pktcdvd/pktcdvd0/info
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ Description: The /dev/kmsg character device node provides userspace access
|
|||
to the kernel's printk buffer.
|
||||
|
||||
Injecting messages:
|
||||
|
||||
Every write() to the opened device node places a log entry in
|
||||
the kernel's printk buffer.
|
||||
|
||||
|
|
@ -21,6 +22,7 @@ Description: The /dev/kmsg character device node provides userspace access
|
|||
the messages can always be reliably determined.
|
||||
|
||||
Accessing the buffer:
|
||||
|
||||
Every read() from the opened device node receives one record
|
||||
of the kernel's printk buffer.
|
||||
|
||||
|
|
@ -48,6 +50,7 @@ Description: The /dev/kmsg character device node provides userspace access
|
|||
if needed, without limiting the interface to a single reader.
|
||||
|
||||
The device supports seek with the following parameters:
|
||||
|
||||
SEEK_SET, 0
|
||||
seek to the first entry in the buffer
|
||||
SEEK_END, 0
|
||||
|
|
@ -87,18 +90,22 @@ Description: The /dev/kmsg character device node provides userspace access
|
|||
readable context of the message, for reliable processing in
|
||||
userspace.
|
||||
|
||||
Example:
|
||||
7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
|
||||
SUBSYSTEM=acpi
|
||||
DEVICE=+acpi:PNP0A03:00
|
||||
6,339,5140900,-;NET: Registered protocol family 10
|
||||
30,340,5690716,-;udevd[80]: starting version 181
|
||||
Example::
|
||||
|
||||
7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
|
||||
SUBSYSTEM=acpi
|
||||
DEVICE=+acpi:PNP0A03:00
|
||||
6,339,5140900,-;NET: Registered protocol family 10
|
||||
30,340,5690716,-;udevd[80]: starting version 181
|
||||
|
||||
The DEVICE= key uniquely identifies devices the following way:
|
||||
b12:8 - block dev_t
|
||||
c127:3 - char dev_t
|
||||
n8 - netdev ifindex
|
||||
+sound:card0 - subsystem:devname
|
||||
|
||||
============ =================
|
||||
b12:8 block dev_t
|
||||
c127:3 char dev_t
|
||||
n8 netdev ifindex
|
||||
+sound:card0 subsystem:devname
|
||||
============ =================
|
||||
|
||||
The flags field carries '-' by default. A 'c' indicates a
|
||||
fragment of a line. Note, that these hints about continuation
|
||||
|
|
|
|||
|
|
@ -17,26 +17,33 @@ Description:
|
|||
echoing a value to <securityfs>/evm made up of the
|
||||
following bits:
|
||||
|
||||
=== ==================================================
|
||||
Bit Effect
|
||||
=== ==================================================
|
||||
0 Enable HMAC validation and creation
|
||||
1 Enable digital signature validation
|
||||
2 Permit modification of EVM-protected metadata at
|
||||
runtime. Not supported if HMAC validation and
|
||||
creation is enabled.
|
||||
31 Disable further runtime modification of EVM policy
|
||||
=== ==================================================
|
||||
|
||||
For example:
|
||||
For example::
|
||||
|
||||
echo 1 ><securityfs>/evm
|
||||
echo 1 ><securityfs>/evm
|
||||
|
||||
will enable HMAC validation and creation
|
||||
|
||||
echo 0x80000003 ><securityfs>/evm
|
||||
::
|
||||
|
||||
echo 0x80000003 ><securityfs>/evm
|
||||
|
||||
will enable HMAC and digital signature validation and
|
||||
HMAC creation and disable all further modification of policy.
|
||||
|
||||
echo 0x80000006 ><securityfs>/evm
|
||||
::
|
||||
|
||||
echo 0x80000006 ><securityfs>/evm
|
||||
|
||||
will enable digital signature validation, permit
|
||||
modification of EVM-protected metadata and
|
||||
|
|
@ -65,7 +72,7 @@ Description:
|
|||
Shows the set of extended attributes used to calculate or
|
||||
validate the EVM signature, and allows additional attributes
|
||||
to be added at runtime. Any signatures generated after
|
||||
additional attributes are added (and on files posessing those
|
||||
additional attributes are added (and on files possessing those
|
||||
additional attributes) will only be valid if the same
|
||||
additional attributes are configured on system boot. Writing
|
||||
a single period (.) will lock the xattr list from any further
|
||||
|
|
|
|||
|
|
@ -15,19 +15,22 @@ Description:
|
|||
IMA appraisal, if configured, uses these file measurements
|
||||
for local measurement appraisal.
|
||||
|
||||
rule format: action [condition ...]
|
||||
::
|
||||
|
||||
action: measure | dont_measure | appraise | dont_appraise |
|
||||
audit | hash | dont_hash
|
||||
condition:= base | lsm [option]
|
||||
rule format: action [condition ...]
|
||||
|
||||
action: measure | dont_measure | appraise | dont_appraise |
|
||||
audit | hash | dont_hash
|
||||
condition:= base | lsm [option]
|
||||
base: [[func=] [mask=] [fsmagic=] [fsuuid=] [uid=]
|
||||
[euid=] [fowner=] [fsname=]]
|
||||
lsm: [[subj_user=] [subj_role=] [subj_type=]
|
||||
[obj_user=] [obj_role=] [obj_type=]]
|
||||
option: [[appraise_type=]] [template=] [permit_directio]
|
||||
[appraise_flag=] [keyrings=]
|
||||
base: func:= [BPRM_CHECK][MMAP_CHECK][CREDS_CHECK][FILE_CHECK][MODULE_CHECK]
|
||||
[FIRMWARE_CHECK]
|
||||
base:
|
||||
func:= [BPRM_CHECK][MMAP_CHECK][CREDS_CHECK][FILE_CHECK]MODULE_CHECK]
|
||||
[FIRMWARE_CHECK]
|
||||
[KEXEC_KERNEL_CHECK] [KEXEC_INITRAMFS_CHECK]
|
||||
[KEXEC_CMDLINE] [KEY_CHECK]
|
||||
mask:= [[^]MAY_READ] [[^]MAY_WRITE] [[^]MAY_APPEND]
|
||||
|
|
@ -37,8 +40,9 @@ Description:
|
|||
uid:= decimal value
|
||||
euid:= decimal value
|
||||
fowner:= decimal value
|
||||
lsm: are LSM specific
|
||||
option: appraise_type:= [imasig] [imasig|modsig]
|
||||
lsm: are LSM specific
|
||||
option:
|
||||
appraise_type:= [imasig] [imasig|modsig]
|
||||
appraise_flag:= [check_blacklist]
|
||||
Currently, blacklist check is only for files signed with appended
|
||||
signature.
|
||||
|
|
@ -49,7 +53,7 @@ Description:
|
|||
(eg, ima-ng). Only valid when action is "measure".
|
||||
pcr:= decimal value
|
||||
|
||||
default policy:
|
||||
default policy:
|
||||
# PROC_SUPER_MAGIC
|
||||
dont_measure fsmagic=0x9fa0
|
||||
dont_appraise fsmagic=0x9fa0
|
||||
|
|
@ -97,7 +101,8 @@ Description:
|
|||
|
||||
Examples of LSM specific definitions:
|
||||
|
||||
SELinux:
|
||||
SELinux::
|
||||
|
||||
dont_measure obj_type=var_log_t
|
||||
dont_appraise obj_type=var_log_t
|
||||
dont_measure obj_type=auditd_log_t
|
||||
|
|
@ -105,10 +110,11 @@ Description:
|
|||
measure subj_user=system_u func=FILE_CHECK mask=MAY_READ
|
||||
measure subj_role=system_r func=FILE_CHECK mask=MAY_READ
|
||||
|
||||
Smack:
|
||||
Smack::
|
||||
|
||||
measure subj_user=_ func=FILE_CHECK mask=MAY_READ
|
||||
|
||||
Example of measure rules using alternate PCRs:
|
||||
Example of measure rules using alternate PCRs::
|
||||
|
||||
measure func=KEXEC_KERNEL_CHECK pcr=4
|
||||
measure func=KEXEC_INITRAMFS_CHECK pcr=5
|
||||
|
|
|
|||
|
|
@ -6,28 +6,32 @@ Description:
|
|||
of block devices. Each line contains the following 14
|
||||
fields:
|
||||
|
||||
1 - major number
|
||||
2 - minor mumber
|
||||
3 - device name
|
||||
4 - reads completed successfully
|
||||
5 - reads merged
|
||||
6 - sectors read
|
||||
7 - time spent reading (ms)
|
||||
8 - writes completed
|
||||
9 - writes merged
|
||||
10 - sectors written
|
||||
11 - time spent writing (ms)
|
||||
12 - I/Os currently in progress
|
||||
13 - time spent doing I/Os (ms)
|
||||
14 - weighted time spent doing I/Os (ms)
|
||||
== ===================================
|
||||
1 major number
|
||||
2 minor mumber
|
||||
3 device name
|
||||
4 reads completed successfully
|
||||
5 reads merged
|
||||
6 sectors read
|
||||
7 time spent reading (ms)
|
||||
8 writes completed
|
||||
9 writes merged
|
||||
10 sectors written
|
||||
11 time spent writing (ms)
|
||||
12 I/Os currently in progress
|
||||
13 time spent doing I/Os (ms)
|
||||
14 weighted time spent doing I/Os (ms)
|
||||
== ===================================
|
||||
|
||||
Kernel 4.18+ appends four more fields for discard
|
||||
tracking putting the total at 18:
|
||||
|
||||
15 - discards completed successfully
|
||||
16 - discards merged
|
||||
17 - sectors discarded
|
||||
18 - time spent discarding
|
||||
== ===================================
|
||||
15 discards completed successfully
|
||||
16 discards merged
|
||||
17 sectors discarded
|
||||
18 time spent discarding
|
||||
== ===================================
|
||||
|
||||
Kernel 5.5+ appends two more fields for flush requests:
|
||||
|
||||
|
|
|
|||
|
|
@ -4,23 +4,27 @@ Contact: Jerome Marchand <jmarchan@redhat.com>
|
|||
Description:
|
||||
The /sys/block/<disk>/stat files displays the I/O
|
||||
statistics of disk <disk>. They contain 11 fields:
|
||||
1 - reads completed successfully
|
||||
2 - reads merged
|
||||
3 - sectors read
|
||||
4 - time spent reading (ms)
|
||||
5 - writes completed
|
||||
6 - writes merged
|
||||
7 - sectors written
|
||||
8 - time spent writing (ms)
|
||||
9 - I/Os currently in progress
|
||||
10 - time spent doing I/Os (ms)
|
||||
11 - weighted time spent doing I/Os (ms)
|
||||
12 - discards completed
|
||||
13 - discards merged
|
||||
14 - sectors discarded
|
||||
15 - time spent discarding (ms)
|
||||
16 - flush requests completed
|
||||
17 - time spent flushing (ms)
|
||||
|
||||
== ==============================================
|
||||
1 reads completed successfully
|
||||
2 reads merged
|
||||
3 sectors read
|
||||
4 time spent reading (ms)
|
||||
5 writes completed
|
||||
6 writes merged
|
||||
7 sectors written
|
||||
8 time spent writing (ms)
|
||||
9 I/Os currently in progress
|
||||
10 time spent doing I/Os (ms)
|
||||
11 weighted time spent doing I/Os (ms)
|
||||
12 discards completed
|
||||
13 discards merged
|
||||
14 sectors discarded
|
||||
15 time spent discarding (ms)
|
||||
16 flush requests completed
|
||||
17 time spent flushing (ms)
|
||||
== ==============================================
|
||||
|
||||
For more details refer Documentation/admin-guide/iostats.rst
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -8,11 +8,13 @@ Description:
|
|||
|
||||
It has the following valid values:
|
||||
|
||||
== ========================================================
|
||||
0 OFF - the LED is not activated on activity
|
||||
1 BLINK_ON - the LED blinks on every 10ms when activity is
|
||||
detected.
|
||||
2 BLINK_OFF - the LED is on when idle, and blinks off
|
||||
every 10ms when activity is detected.
|
||||
== ========================================================
|
||||
|
||||
Note that the user must turn sw_activity OFF it they wish to
|
||||
control the activity LED via the em_message file.
|
||||
|
|
|
|||
|
|
@ -67,14 +67,16 @@ Description:
|
|||
The return value is a decimal integer representing the device's
|
||||
status bitmap:
|
||||
|
||||
Bit [0] – Set if the device is present.
|
||||
Bit [1] – Set if the device is enabled and decoding its
|
||||
resources.
|
||||
Bit [2] – Set if the device should be shown in the UI.
|
||||
Bit [3] – Set if the device is functioning properly (cleared if
|
||||
device failed its diagnostics).
|
||||
Bit [4] – Set if the battery is present.
|
||||
Bits [31:5] – Reserved (must be cleared)
|
||||
=========== ==================================================
|
||||
Bit [0] Set if the device is present.
|
||||
Bit [1] Set if the device is enabled and decoding its
|
||||
resources.
|
||||
Bit [2] Set if the device should be shown in the UI.
|
||||
Bit [3] Set if the device is functioning properly (cleared
|
||||
if device failed its diagnostics).
|
||||
Bit [4] Set if the battery is present.
|
||||
Bits [31:5] Reserved (must be cleared)
|
||||
=========== ==================================================
|
||||
|
||||
If bit [0] is clear, then bit 1 must also be clear (a device
|
||||
that is not present cannot be enabled).
|
||||
|
|
|
|||
|
|
@ -10,7 +10,8 @@ Description:
|
|||
name/value pairs.
|
||||
|
||||
Userspace must be prepared for the possibility that attributes
|
||||
define overlapping bit ranges. For example:
|
||||
define overlapping bit ranges. For example::
|
||||
|
||||
attr1 = 'config:0-23'
|
||||
attr2 = 'config:0-7'
|
||||
attr3 = 'config:12-35'
|
||||
|
|
|
|||
|
|
@ -6,15 +6,18 @@ Description:
|
|||
Value that exists only for mux devices that can be
|
||||
written to control the behaviour of the multiplexer on
|
||||
idle. Possible values:
|
||||
-2 - disconnect on idle, i.e. deselect the last used
|
||||
channel, which is useful when there is a device
|
||||
with an address that conflicts with another
|
||||
device on another mux on the same parent bus.
|
||||
-1 - leave the mux as-is, which is the most optimal
|
||||
setting in terms of I2C operations and is the
|
||||
default mode.
|
||||
0..<nchans> - set the mux to a predetermined channel,
|
||||
which is useful if there is one channel that is
|
||||
used almost always, and you want to reduce the
|
||||
latency for normal operations after rare
|
||||
transactions on other channels
|
||||
|
||||
=========== ===============================================
|
||||
-2 disconnect on idle, i.e. deselect the last used
|
||||
channel, which is useful when there is a device
|
||||
with an address that conflicts with another
|
||||
device on another mux on the same parent bus.
|
||||
-1 leave the mux as-is, which is the most optimal
|
||||
setting in terms of I2C operations and is the
|
||||
default mode.
|
||||
0..<nchans> set the mux to a predetermined channel,
|
||||
which is useful if there is one channel that is
|
||||
used almost always, and you want to reduce the
|
||||
latency for normal operations after rare
|
||||
transactions on other channels
|
||||
=========== ===============================================
|
||||
|
|
|
|||
|
|
@ -65,6 +65,7 @@ Contact: linux-iio@vger.kernel.org
|
|||
Description:
|
||||
When the internal sampling clock can only take a specific set of
|
||||
frequencies, we can specify the available values with:
|
||||
|
||||
- a small discrete set of values like "0 2 4 6 8"
|
||||
- a range with minimum, step and maximum frequencies like
|
||||
"[min step max]"
|
||||
|
|
@ -1627,17 +1628,21 @@ Description:
|
|||
Mounting matrix for IIO sensors. This is a rotation matrix which
|
||||
informs userspace about sensor chip's placement relative to the
|
||||
main hardware it is mounted on.
|
||||
|
||||
Main hardware placement is defined according to the local
|
||||
reference frame related to the physical quantity the sensor
|
||||
measures.
|
||||
|
||||
Given that the rotation matrix is defined in a board specific
|
||||
way (platform data and / or device-tree), the main hardware
|
||||
reference frame definition is left to the implementor's choice
|
||||
(see below for a magnetometer example).
|
||||
|
||||
Applications should apply this rotation matrix to samples so
|
||||
that when main hardware reference frame is aligned onto local
|
||||
reference frame, then sensor chip reference frame is also
|
||||
perfectly aligned with it.
|
||||
|
||||
Matrix is a 3x3 unitary matrix and typically looks like
|
||||
[0, 1, 0; 1, 0, 0; 0, 0, -1]. Identity matrix
|
||||
[1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and main hardware
|
||||
|
|
@ -1646,8 +1651,10 @@ Description:
|
|||
For example, a mounting matrix for a magnetometer sensor informs
|
||||
userspace about sensor chip's ORIENTATION relative to the main
|
||||
hardware.
|
||||
|
||||
More specifically, main hardware orientation is defined with
|
||||
respect to the LOCAL EARTH GEOMAGNETIC REFERENCE FRAME where :
|
||||
|
||||
* Y is in the ground plane and positive towards magnetic North ;
|
||||
* X is in the ground plane, perpendicular to the North axis and
|
||||
positive towards the East ;
|
||||
|
|
@ -1656,13 +1663,16 @@ Description:
|
|||
An implementor might consider that for a hand-held device, a
|
||||
'natural' orientation would be 'front facing camera at the top'.
|
||||
The main hardware reference frame could then be described as :
|
||||
|
||||
* Y is in the plane of the screen and is positive towards the
|
||||
top of the screen ;
|
||||
* X is in the plane of the screen, perpendicular to Y axis, and
|
||||
positive towards the right hand side of the screen ;
|
||||
* Z is perpendicular to the screen plane and positive out of the
|
||||
screen.
|
||||
|
||||
Another example for a quadrotor UAV might be :
|
||||
|
||||
* Y is in the plane of the propellers and positive towards the
|
||||
front-view camera;
|
||||
* X is in the plane of the propellers, perpendicular to Y axis,
|
||||
|
|
@ -1704,6 +1714,7 @@ Description:
|
|||
This interface is deprecated; please use the Counter subsystem.
|
||||
|
||||
A list of possible counting directions which are:
|
||||
|
||||
- "up" : counter device is increasing.
|
||||
- "down": counter device is decreasing.
|
||||
|
||||
|
|
|
|||
|
|
@ -5,7 +5,8 @@ Contact: Peter Rosin <peda@axentia.se>
|
|||
Description:
|
||||
The DAC is used to find the peak level of an alternating
|
||||
voltage input signal by a binary search using the output
|
||||
of a comparator wired to an interrupt pin. Like so:
|
||||
of a comparator wired to an interrupt pin. Like so::
|
||||
|
||||
_
|
||||
| \
|
||||
input +------>-------|+ \
|
||||
|
|
@ -19,10 +20,12 @@ Description:
|
|||
| irq|------<-------'
|
||||
| |
|
||||
'-------'
|
||||
|
||||
The boolean invert attribute (0/1) should be set when the
|
||||
input signal is centered around the maximum value of the
|
||||
dac instead of zero. The envelope detector will search
|
||||
from below in this case and will also invert the result.
|
||||
|
||||
The edge/level of the interrupt is also switched to its
|
||||
opposite value.
|
||||
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@ KernelVersion: 4.7
|
|||
Contact: linux-iio@vger.kernel.org
|
||||
Description:
|
||||
Writing '1' will perform a FOC (Fast Online Calibration). The
|
||||
corresponding calibration offsets can be read from *_calibbias
|
||||
corresponding calibration offsets can be read from `*_calibbias`
|
||||
entries.
|
||||
|
||||
What: /sys/bus/iio/devices/iio:deviceX/location
|
||||
|
|
|
|||
|
|
@ -3,14 +3,20 @@ KernelVersion: 4.14
|
|||
Contact: arnaud.pouliquen@st.com
|
||||
Description:
|
||||
For audio purpose only.
|
||||
|
||||
Used by audio driver to set/get the spi input frequency.
|
||||
|
||||
This is mandatory if DFSDM is slave on SPI bus, to
|
||||
provide information on the SPI clock frequency during runtime
|
||||
Notice that the SPI frequency should be a multiple of sample
|
||||
frequency to ensure the precision.
|
||||
if DFSDM input is SPI master
|
||||
|
||||
if DFSDM input is SPI master:
|
||||
|
||||
Reading SPI clkout frequency,
|
||||
error on writing
|
||||
|
||||
If DFSDM input is SPI Slave:
|
||||
|
||||
Reading returns value previously set.
|
||||
Writing value before starting conversions.
|
||||
|
|
|
|||
|
|
@ -17,9 +17,11 @@ KernelVersion: 4.13
|
|||
Contact: fabrice.gasnier@st.com
|
||||
Description:
|
||||
Configure the device counter quadrature modes:
|
||||
|
||||
- non-quadrature:
|
||||
Encoder IN1 input servers as the count input (up
|
||||
direction).
|
||||
|
||||
- quadrature:
|
||||
Encoder IN1 and IN2 inputs are mixed to get direction
|
||||
and count.
|
||||
|
|
@ -35,23 +37,26 @@ KernelVersion: 4.13
|
|||
Contact: fabrice.gasnier@st.com
|
||||
Description:
|
||||
Configure the device encoder/counter active edge:
|
||||
|
||||
- rising-edge
|
||||
- falling-edge
|
||||
- both-edges
|
||||
|
||||
In non-quadrature mode, device counts up on active edge.
|
||||
|
||||
In quadrature mode, encoder counting scenarios are as follows:
|
||||
----------------------------------------------------------------
|
||||
|
||||
+---------+----------+--------------------+--------------------+
|
||||
| Active | Level on | IN1 signal | IN2 signal |
|
||||
| edge | opposite |------------------------------------------
|
||||
| edge | opposite +----------+---------+----------+---------+
|
||||
| | signal | Rising | Falling | Rising | Falling |
|
||||
----------------------------------------------------------------
|
||||
| Rising | High -> | Down | - | Up | - |
|
||||
| edge | Low -> | Up | - | Down | - |
|
||||
----------------------------------------------------------------
|
||||
| Falling | High -> | - | Up | - | Down |
|
||||
| edge | Low -> | - | Down | - | Up |
|
||||
----------------------------------------------------------------
|
||||
| Both | High -> | Down | Up | Up | Down |
|
||||
| edges | Low -> | Up | Down | Down | Up |
|
||||
----------------------------------------------------------------
|
||||
+---------+----------+----------+---------+----------+---------+
|
||||
| Rising | High -> | Down | - | Up | - |
|
||||
| edge | Low -> | Up | - | Down | - |
|
||||
+---------+----------+----------+---------+----------+---------+
|
||||
| Falling | High -> | - | Up | - | Down |
|
||||
| edge | Low -> | - | Down | - | Up |
|
||||
+---------+----------+----------+---------+----------+---------+
|
||||
| Both | High -> | Down | Up | Up | Down |
|
||||
| edges | Low -> | Up | Down | Down | Up |
|
||||
+---------+----------+----------+---------+----------+---------+
|
||||
|
|
|
|||
|
|
@ -5,11 +5,16 @@ Contact: linux-iio@vger.kernel.org
|
|||
Description:
|
||||
Current configuration and available configurations
|
||||
for the bias current.
|
||||
normal - Normal measurement configurations (default)
|
||||
positivebias - Positive bias configuration
|
||||
negativebias - Negative bias configuration
|
||||
disabled - Only available on HMC5983. Disables magnetic
|
||||
|
||||
============ ============================================
|
||||
normal Normal measurement configurations (default)
|
||||
positivebias Positive bias configuration
|
||||
negativebias Negative bias configuration
|
||||
disabled Only available on HMC5983. Disables magnetic
|
||||
sensor and enables temperature sensor.
|
||||
Note: The effect of this configuration may vary
|
||||
according to the device. For exact documentation
|
||||
check the device's datasheet.
|
||||
============ ============================================
|
||||
|
||||
Note:
|
||||
The effect of this configuration may vary
|
||||
according to the device. For exact documentation
|
||||
check the device's datasheet.
|
||||
|
|
|
|||
|
|
@ -5,9 +5,12 @@ Description:
|
|||
Open-circuit fault. The detection of open-circuit faults,
|
||||
such as those caused by broken thermocouple wires.
|
||||
Reading returns either '1' or '0'.
|
||||
'1' = An open circuit such as broken thermocouple wires
|
||||
has been detected.
|
||||
'0' = No open circuit or broken thermocouple wires are detected
|
||||
|
||||
=== =======================================================
|
||||
'1' An open circuit such as broken thermocouple wires
|
||||
has been detected.
|
||||
'0' No open circuit or broken thermocouple wires are detected
|
||||
=== =======================================================
|
||||
|
||||
What: /sys/bus/iio/devices/iio:deviceX/fault_ovuv
|
||||
KernelVersion: 5.1
|
||||
|
|
@ -18,7 +21,11 @@ Description:
|
|||
cables by integrated MOSFETs at the T+ and T- inputs, and the
|
||||
BIAS output. These MOSFETs turn off when the input voltage is
|
||||
negative or greater than VDD.
|
||||
|
||||
Reading returns either '1' or '0'.
|
||||
'1' = The input voltage is negative or greater than VDD.
|
||||
'0' = The input voltage is positive and less than VDD (normal
|
||||
state).
|
||||
|
||||
=== =======================================================
|
||||
'1' The input voltage is negative or greater than VDD.
|
||||
'0' The input voltage is positive and less than VDD (normal
|
||||
state).
|
||||
=== =======================================================
|
||||
|
|
|
|||
|
|
@ -3,67 +3,85 @@ KernelVersion: 4.11
|
|||
Contact: benjamin.gaignard@st.com
|
||||
Description:
|
||||
Reading returns the list possible master modes which are:
|
||||
- "reset" : The UG bit from the TIMx_EGR register is
|
||||
|
||||
|
||||
- "reset"
|
||||
The UG bit from the TIMx_EGR register is
|
||||
used as trigger output (TRGO).
|
||||
- "enable" : The Counter Enable signal CNT_EN is used
|
||||
- "enable"
|
||||
The Counter Enable signal CNT_EN is used
|
||||
as trigger output.
|
||||
- "update" : The update event is selected as trigger output.
|
||||
- "update"
|
||||
The update event is selected as trigger output.
|
||||
For instance a master timer can then be used
|
||||
as a prescaler for a slave timer.
|
||||
- "compare_pulse" : The trigger output send a positive pulse
|
||||
when the CC1IF flag is to be set.
|
||||
- "OC1REF" : OC1REF signal is used as trigger output.
|
||||
- "OC2REF" : OC2REF signal is used as trigger output.
|
||||
- "OC3REF" : OC3REF signal is used as trigger output.
|
||||
- "OC4REF" : OC4REF signal is used as trigger output.
|
||||
- "compare_pulse"
|
||||
The trigger output send a positive pulse
|
||||
when the CC1IF flag is to be set.
|
||||
- "OC1REF"
|
||||
OC1REF signal is used as trigger output.
|
||||
- "OC2REF"
|
||||
OC2REF signal is used as trigger output.
|
||||
- "OC3REF"
|
||||
OC3REF signal is used as trigger output.
|
||||
- "OC4REF"
|
||||
OC4REF signal is used as trigger output.
|
||||
|
||||
Additional modes (on TRGO2 only):
|
||||
- "OC5REF" : OC5REF signal is used as trigger output.
|
||||
- "OC6REF" : OC6REF signal is used as trigger output.
|
||||
|
||||
- "OC5REF"
|
||||
OC5REF signal is used as trigger output.
|
||||
- "OC6REF"
|
||||
OC6REF signal is used as trigger output.
|
||||
- "compare_pulse_OC4REF":
|
||||
OC4REF rising or falling edges generate pulses.
|
||||
OC4REF rising or falling edges generate pulses.
|
||||
- "compare_pulse_OC6REF":
|
||||
OC6REF rising or falling edges generate pulses.
|
||||
OC6REF rising or falling edges generate pulses.
|
||||
- "compare_pulse_OC4REF_r_or_OC6REF_r":
|
||||
OC4REF or OC6REF rising edges generate pulses.
|
||||
OC4REF or OC6REF rising edges generate pulses.
|
||||
- "compare_pulse_OC4REF_r_or_OC6REF_f":
|
||||
OC4REF rising or OC6REF falling edges generate pulses.
|
||||
OC4REF rising or OC6REF falling edges generate
|
||||
pulses.
|
||||
- "compare_pulse_OC5REF_r_or_OC6REF_r":
|
||||
OC5REF or OC6REF rising edges generate pulses.
|
||||
OC5REF or OC6REF rising edges generate pulses.
|
||||
- "compare_pulse_OC5REF_r_or_OC6REF_f":
|
||||
OC5REF rising or OC6REF falling edges generate pulses.
|
||||
OC5REF rising or OC6REF falling edges generate
|
||||
pulses.
|
||||
|
||||
+-----------+ +-------------+ +---------+
|
||||
| Prescaler +-> | Counter | +-> | Master | TRGO(2)
|
||||
+-----------+ +--+--------+-+ |-> | Control +-->
|
||||
| | || +---------+
|
||||
+--v--------+-+ OCxREF || +---------+
|
||||
| Chx compare +----------> | Output | ChX
|
||||
+-----------+-+ | | Control +-->
|
||||
. | | +---------+
|
||||
. | | .
|
||||
+-----------v-+ OC6REF | .
|
||||
| Ch6 compare +---------+>
|
||||
+-------------+
|
||||
::
|
||||
|
||||
Example with: "compare_pulse_OC4REF_r_or_OC6REF_r":
|
||||
+-----------+ +-------------+ +---------+
|
||||
| Prescaler +-> | Counter | +-> | Master | TRGO(2)
|
||||
+-----------+ +--+--------+-+ |-> | Control +-->
|
||||
| | || +---------+
|
||||
+--v--------+-+ OCxREF || +---------+
|
||||
| Chx compare +----------> | Output | ChX
|
||||
+-----------+-+ | | Control +-->
|
||||
. | | +---------+
|
||||
. | | .
|
||||
+-----------v-+ OC6REF | .
|
||||
| Ch6 compare +---------+>
|
||||
+-------------+
|
||||
|
||||
X
|
||||
X X
|
||||
X . . X
|
||||
X . . X
|
||||
X . . X
|
||||
count X . . . . X
|
||||
. . . .
|
||||
. . . .
|
||||
+---------------+
|
||||
OC4REF | . . |
|
||||
+-+ . . +-+
|
||||
. +---+ .
|
||||
OC6REF . | | .
|
||||
+-------+ +-------+
|
||||
+-+ +-+
|
||||
TRGO2 | | | |
|
||||
+-+ +---+ +---------+
|
||||
Example with: "compare_pulse_OC4REF_r_or_OC6REF_r"::
|
||||
|
||||
X
|
||||
X X
|
||||
X . . X
|
||||
X . . X
|
||||
X . . X
|
||||
count X . . . . X
|
||||
. . . .
|
||||
. . . .
|
||||
+---------------+
|
||||
OC4REF | . . |
|
||||
+-+ . . +-+
|
||||
. +---+ .
|
||||
OC6REF . | | .
|
||||
+-------+ +-------+
|
||||
+-+ +-+
|
||||
TRGO2 | | | |
|
||||
+-+ +---+ +---------+
|
||||
|
||||
What: /sys/bus/iio/devices/triggerX/master_mode
|
||||
KernelVersion: 4.11
|
||||
|
|
@ -91,6 +109,30 @@ Description:
|
|||
When counting down the counter start from preset value
|
||||
and fire event when reach 0.
|
||||
|
||||
What: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available
|
||||
KernelVersion: 4.12
|
||||
Contact: benjamin.gaignard@st.com
|
||||
Description:
|
||||
Reading returns the list possible quadrature modes.
|
||||
|
||||
What: /sys/bus/iio/devices/iio:deviceX/in_count0_quadrature_mode
|
||||
KernelVersion: 4.12
|
||||
Contact: benjamin.gaignard@st.com
|
||||
Description:
|
||||
Configure the device counter quadrature modes:
|
||||
|
||||
channel_A:
|
||||
Encoder A input servers as the count input and B as
|
||||
the UP/DOWN direction control input.
|
||||
|
||||
channel_B:
|
||||
Encoder B input serves as the count input and A as
|
||||
the UP/DOWN direction control input.
|
||||
|
||||
quadrature:
|
||||
Encoder A and B inputs are mixed to get direction
|
||||
and count with a scale of 0.25.
|
||||
|
||||
What: /sys/bus/iio/devices/iio:deviceX/in_count_enable_mode_available
|
||||
KernelVersion: 4.12
|
||||
Contact: benjamin.gaignard@st.com
|
||||
|
|
@ -104,6 +146,7 @@ Description:
|
|||
Configure the device counter enable modes, in all case
|
||||
counting direction is set by in_count0_count_direction
|
||||
attribute and the counter is clocked by the internal clock.
|
||||
|
||||
always:
|
||||
Counter is always ON.
|
||||
|
||||
|
|
|
|||
|
|
@ -9,11 +9,13 @@ Date: June 2015
|
|||
KernelVersion: 4.3
|
||||
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
|
||||
Description: (RW) Configure MSC operating mode:
|
||||
|
||||
- "single", for contiguous buffer mode (high-order alloc);
|
||||
- "multi", for multiblock mode;
|
||||
- "ExI", for DCI handler mode;
|
||||
- "debug", for debug mode;
|
||||
- any of the currently loaded buffer sinks.
|
||||
|
||||
If operating mode changes, existing buffer is deallocated,
|
||||
provided there are no active users and tracing is not enabled,
|
||||
otherwise the write will fail.
|
||||
|
|
@ -23,10 +25,12 @@ Date: June 2015
|
|||
KernelVersion: 4.3
|
||||
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
|
||||
Description: (RW) Configure MSC buffer size for "single" or "multi" modes.
|
||||
|
||||
In single mode, this is a single number of pages, has to be
|
||||
power of 2. In multiblock mode, this is a comma-separated list
|
||||
of numbers of pages for each window to be allocated. Number of
|
||||
windows is not limited.
|
||||
|
||||
Writing to this file deallocates existing buffer (provided
|
||||
there are no active users and tracing is not enabled) and then
|
||||
allocates a new one.
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
For all of the nmem device attributes under nfit/*, see the 'NVDIMM Firmware
|
||||
For all of the nmem device attributes under ``nfit/*``, see the 'NVDIMM Firmware
|
||||
Interface Table (NFIT)' section in the ACPI specification
|
||||
(http://www.uefi.org/specifications) for more details.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
==========================
|
||||
PCIe Device AER statistics
|
||||
==========================
|
||||
--------------------------
|
||||
|
||||
These attributes show up under all the devices that are AER capable. These
|
||||
statistical counters indicate the errors "as seen/reported by the device".
|
||||
Note that this may mean that if an endpoint is causing problems, the AER
|
||||
|
|
@ -17,19 +17,18 @@ Description: List of correctable errors seen and reported by this
|
|||
PCI device using ERR_COR. Note that since multiple errors may
|
||||
be reported using a single ERR_COR message, thus
|
||||
TOTAL_ERR_COR at the end of the file may not match the actual
|
||||
total of all the errors in the file. Sample output:
|
||||
-------------------------------------------------------------------------
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_correctable
|
||||
Receiver Error 2
|
||||
Bad TLP 0
|
||||
Bad DLLP 0
|
||||
RELAY_NUM Rollover 0
|
||||
Replay Timer Timeout 0
|
||||
Advisory Non-Fatal 0
|
||||
Corrected Internal Error 0
|
||||
Header Log Overflow 0
|
||||
TOTAL_ERR_COR 2
|
||||
-------------------------------------------------------------------------
|
||||
total of all the errors in the file. Sample output::
|
||||
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_correctable
|
||||
Receiver Error 2
|
||||
Bad TLP 0
|
||||
Bad DLLP 0
|
||||
RELAY_NUM Rollover 0
|
||||
Replay Timer Timeout 0
|
||||
Advisory Non-Fatal 0
|
||||
Corrected Internal Error 0
|
||||
Header Log Overflow 0
|
||||
TOTAL_ERR_COR 2
|
||||
|
||||
What: /sys/bus/pci/devices/<dev>/aer_dev_fatal
|
||||
Date: July 2018
|
||||
|
|
@ -39,28 +38,27 @@ Description: List of uncorrectable fatal errors seen and reported by this
|
|||
PCI device using ERR_FATAL. Note that since multiple errors may
|
||||
be reported using a single ERR_FATAL message, thus
|
||||
TOTAL_ERR_FATAL at the end of the file may not match the actual
|
||||
total of all the errors in the file. Sample output:
|
||||
-------------------------------------------------------------------------
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_fatal
|
||||
Undefined 0
|
||||
Data Link Protocol 0
|
||||
Surprise Down Error 0
|
||||
Poisoned TLP 0
|
||||
Flow Control Protocol 0
|
||||
Completion Timeout 0
|
||||
Completer Abort 0
|
||||
Unexpected Completion 0
|
||||
Receiver Overflow 0
|
||||
Malformed TLP 0
|
||||
ECRC 0
|
||||
Unsupported Request 0
|
||||
ACS Violation 0
|
||||
Uncorrectable Internal Error 0
|
||||
MC Blocked TLP 0
|
||||
AtomicOp Egress Blocked 0
|
||||
TLP Prefix Blocked Error 0
|
||||
TOTAL_ERR_FATAL 0
|
||||
-------------------------------------------------------------------------
|
||||
total of all the errors in the file. Sample output::
|
||||
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_fatal
|
||||
Undefined 0
|
||||
Data Link Protocol 0
|
||||
Surprise Down Error 0
|
||||
Poisoned TLP 0
|
||||
Flow Control Protocol 0
|
||||
Completion Timeout 0
|
||||
Completer Abort 0
|
||||
Unexpected Completion 0
|
||||
Receiver Overflow 0
|
||||
Malformed TLP 0
|
||||
ECRC 0
|
||||
Unsupported Request 0
|
||||
ACS Violation 0
|
||||
Uncorrectable Internal Error 0
|
||||
MC Blocked TLP 0
|
||||
AtomicOp Egress Blocked 0
|
||||
TLP Prefix Blocked Error 0
|
||||
TOTAL_ERR_FATAL 0
|
||||
|
||||
What: /sys/bus/pci/devices/<dev>/aer_dev_nonfatal
|
||||
Date: July 2018
|
||||
|
|
@ -70,32 +68,31 @@ Description: List of uncorrectable nonfatal errors seen and reported by this
|
|||
PCI device using ERR_NONFATAL. Note that since multiple errors
|
||||
may be reported using a single ERR_FATAL message, thus
|
||||
TOTAL_ERR_NONFATAL at the end of the file may not match the
|
||||
actual total of all the errors in the file. Sample output:
|
||||
-------------------------------------------------------------------------
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_nonfatal
|
||||
Undefined 0
|
||||
Data Link Protocol 0
|
||||
Surprise Down Error 0
|
||||
Poisoned TLP 0
|
||||
Flow Control Protocol 0
|
||||
Completion Timeout 0
|
||||
Completer Abort 0
|
||||
Unexpected Completion 0
|
||||
Receiver Overflow 0
|
||||
Malformed TLP 0
|
||||
ECRC 0
|
||||
Unsupported Request 0
|
||||
ACS Violation 0
|
||||
Uncorrectable Internal Error 0
|
||||
MC Blocked TLP 0
|
||||
AtomicOp Egress Blocked 0
|
||||
TLP Prefix Blocked Error 0
|
||||
TOTAL_ERR_NONFATAL 0
|
||||
-------------------------------------------------------------------------
|
||||
actual total of all the errors in the file. Sample output::
|
||||
|
||||
localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_nonfatal
|
||||
Undefined 0
|
||||
Data Link Protocol 0
|
||||
Surprise Down Error 0
|
||||
Poisoned TLP 0
|
||||
Flow Control Protocol 0
|
||||
Completion Timeout 0
|
||||
Completer Abort 0
|
||||
Unexpected Completion 0
|
||||
Receiver Overflow 0
|
||||
Malformed TLP 0
|
||||
ECRC 0
|
||||
Unsupported Request 0
|
||||
ACS Violation 0
|
||||
Uncorrectable Internal Error 0
|
||||
MC Blocked TLP 0
|
||||
AtomicOp Egress Blocked 0
|
||||
TLP Prefix Blocked Error 0
|
||||
TOTAL_ERR_NONFATAL 0
|
||||
|
||||
============================
|
||||
PCIe Rootport AER statistics
|
||||
============================
|
||||
----------------------------
|
||||
|
||||
These attributes show up under only the rootports (or root complex event
|
||||
collectors) that are AER capable. These indicate the number of error messages as
|
||||
"reported to" the rootport. Please note that the rootports also transmit
|
||||
|
|
|
|||
|
|
@ -4,24 +4,27 @@ Description:
|
|||
an individual subdirectory with the following name format of
|
||||
device_name "nn:d:iiii", where:
|
||||
|
||||
nn - two-digit hexadecimal ID of RapidIO network where the
|
||||
==== ========================================================
|
||||
nn two-digit hexadecimal ID of RapidIO network where the
|
||||
device resides
|
||||
d - device type: 'e' - for endpoint or 's' - for switch
|
||||
iiii - four-digit device destID for endpoints, or switchID for
|
||||
d device type: 'e' - for endpoint or 's' - for switch
|
||||
iiii four-digit device destID for endpoints, or switchID for
|
||||
switches
|
||||
==== ========================================================
|
||||
|
||||
For example, below is a list of device directories that
|
||||
represents a typical RapidIO network with one switch, one host,
|
||||
and two agent endpoints, as it is seen by the enumerating host
|
||||
(with destID = 1):
|
||||
(with destID = 1)::
|
||||
|
||||
/sys/bus/rapidio/devices/00:e:0000
|
||||
/sys/bus/rapidio/devices/00:e:0002
|
||||
/sys/bus/rapidio/devices/00:s:0001
|
||||
/sys/bus/rapidio/devices/00:e:0000
|
||||
/sys/bus/rapidio/devices/00:e:0002
|
||||
/sys/bus/rapidio/devices/00:s:0001
|
||||
|
||||
NOTE: An enumerating or discovering endpoint does not create a
|
||||
sysfs entry for itself, this is why an endpoint with destID=1 is
|
||||
not shown in the list.
|
||||
NOTE:
|
||||
An enumerating or discovering endpoint does not create a
|
||||
sysfs entry for itself, this is why an endpoint with destID=1
|
||||
is not shown in the list.
|
||||
|
||||
Attributes Common for All RapidIO Devices
|
||||
-----------------------------------------
|
||||
|
|
|
|||
|
|
@ -37,16 +37,18 @@ Contact: thunderbolt-software@lists.01.org
|
|||
Description: This attribute holds current Thunderbolt security level
|
||||
set by the system BIOS. Possible values are:
|
||||
|
||||
none: All devices are automatically authorized
|
||||
user: Devices are only authorized based on writing
|
||||
appropriate value to the authorized attribute
|
||||
secure: Require devices that support secure connect at
|
||||
minimum. User needs to authorize each device.
|
||||
dponly: Automatically tunnel Display port (and USB). No
|
||||
PCIe tunnels are created.
|
||||
usbonly: Automatically tunnel USB controller of the
|
||||
======= ==================================================
|
||||
none All devices are automatically authorized
|
||||
user Devices are only authorized based on writing
|
||||
appropriate value to the authorized attribute
|
||||
secure Require devices that support secure connect at
|
||||
minimum. User needs to authorize each device.
|
||||
dponly Automatically tunnel Display port (and USB). No
|
||||
PCIe tunnels are created.
|
||||
usbonly Automatically tunnel USB controller of the
|
||||
connected Thunderbolt dock (and Display Port). All
|
||||
PCIe links downstream of the dock are removed.
|
||||
======= ==================================================
|
||||
|
||||
What: /sys/bus/thunderbolt/devices/.../authorized
|
||||
Date: Sep 2017
|
||||
|
|
@ -61,17 +63,23 @@ Description: This attribute is used to authorize Thunderbolt devices
|
|||
yet authorized.
|
||||
|
||||
Possible values are supported:
|
||||
1: The device will be authorized and connected
|
||||
|
||||
== ===========================================
|
||||
1 The device will be authorized and connected
|
||||
== ===========================================
|
||||
|
||||
When key attribute contains 32 byte hex string the possible
|
||||
values are:
|
||||
1: The 32 byte hex string is added to the device NVM and
|
||||
the device is authorized.
|
||||
2: Send a challenge based on the 32 byte hex string. If the
|
||||
challenge response from device is valid, the device is
|
||||
authorized. In case of failure errno will be ENOKEY if
|
||||
the device did not contain a key at all, and
|
||||
EKEYREJECTED if the challenge response did not match.
|
||||
|
||||
== ========================================================
|
||||
1 The 32 byte hex string is added to the device NVM and
|
||||
the device is authorized.
|
||||
2 Send a challenge based on the 32 byte hex string. If the
|
||||
challenge response from device is valid, the device is
|
||||
authorized. In case of failure errno will be ENOKEY if
|
||||
the device did not contain a key at all, and
|
||||
EKEYREJECTED if the challenge response did not match.
|
||||
== ========================================================
|
||||
|
||||
What: /sys/bus/thunderbolt/devices/.../boot
|
||||
Date: Jun 2018
|
||||
|
|
|
|||
|
|
@ -72,24 +72,27 @@ Description:
|
|||
table at compile time. The format for the device ID is:
|
||||
idVendor idProduct bInterfaceClass RefIdVendor RefIdProduct
|
||||
The vendor ID and device ID fields are required, the
|
||||
rest is optional. The Ref* tuple can be used to tell the
|
||||
rest is optional. The `Ref*` tuple can be used to tell the
|
||||
driver to use the same driver_data for the new device as
|
||||
it is used for the reference device.
|
||||
Upon successfully adding an ID, the driver will probe
|
||||
for the device and attempt to bind to it. For example:
|
||||
# echo "8086 10f5" > /sys/bus/usb/drivers/foo/new_id
|
||||
for the device and attempt to bind to it. For example::
|
||||
|
||||
# echo "8086 10f5" > /sys/bus/usb/drivers/foo/new_id
|
||||
|
||||
Here add a new device (0458:7045) using driver_data from
|
||||
an already supported device (0458:704c):
|
||||
# echo "0458 7045 0 0458 704c" > /sys/bus/usb/drivers/foo/new_id
|
||||
an already supported device (0458:704c)::
|
||||
|
||||
# echo "0458 7045 0 0458 704c" > /sys/bus/usb/drivers/foo/new_id
|
||||
|
||||
Reading from this file will list all dynamically added
|
||||
device IDs in the same format, with one entry per
|
||||
line. For example:
|
||||
# cat /sys/bus/usb/drivers/foo/new_id
|
||||
8086 10f5
|
||||
dead beef 06
|
||||
f00d cafe
|
||||
line. For example::
|
||||
|
||||
# cat /sys/bus/usb/drivers/foo/new_id
|
||||
8086 10f5
|
||||
dead beef 06
|
||||
f00d cafe
|
||||
|
||||
The list will be truncated at PAGE_SIZE bytes due to
|
||||
sysfs restrictions.
|
||||
|
|
@ -209,6 +212,7 @@ Description:
|
|||
advance, and behaves well according to the specification.
|
||||
This attribute is a bit-field that controls the behavior of
|
||||
a specific port:
|
||||
|
||||
- Bit 0 of this field selects the "old" enumeration scheme,
|
||||
as it is considerably faster (it only causes one USB reset
|
||||
instead of 2).
|
||||
|
|
@ -233,10 +237,10 @@ Description:
|
|||
poll() for monitoring changes to this value in user space.
|
||||
|
||||
Any time this value changes the corresponding hub device will send a
|
||||
udev event with the following attributes:
|
||||
udev event with the following attributes::
|
||||
|
||||
OVER_CURRENT_PORT=/sys/bus/usb/devices/.../(hub interface)/portX
|
||||
OVER_CURRENT_COUNT=[current value of this sysfs attribute]
|
||||
OVER_CURRENT_PORT=/sys/bus/usb/devices/.../(hub interface)/portX
|
||||
OVER_CURRENT_COUNT=[current value of this sysfs attribute]
|
||||
|
||||
What: /sys/bus/usb/devices/.../(hub interface)/portX/usb3_lpm_permit
|
||||
Date: November 2015
|
||||
|
|
|
|||
|
|
@ -12,8 +12,11 @@ KernelVersion: 2.6.26
|
|||
Contact: Harrison Metzger <harrisonmetz@gmail.com>
|
||||
Description: Controls the devices display mode.
|
||||
For a 6 character display the values are
|
||||
|
||||
MSB 0x06; LSB 0x3F, and
|
||||
|
||||
for an 8 character display the values are
|
||||
|
||||
MSB 0x08; LSB 0xFF.
|
||||
|
||||
What: /sys/bus/usb/.../textmode
|
||||
|
|
@ -37,7 +40,7 @@ KernelVersion: 2.6.26
|
|||
Contact: Harrison Metzger <harrisonmetz@gmail.com>
|
||||
Description: Controls the decimal places on the device.
|
||||
To set the nth decimal place, give this field
|
||||
the value of 10 ** n. Assume this field has
|
||||
the value of ``10 ** n``. Assume this field has
|
||||
the value k and has 1 or more decimal places set,
|
||||
to set the mth place (where m is not already set),
|
||||
change this fields value to k + 10 ** m.
|
||||
change this fields value to ``k + 10 ** m``.
|
||||
|
|
|
|||
|
|
@ -28,8 +28,9 @@ Description:
|
|||
Writing UUID to this file will create mediated device of
|
||||
type <type-id> for parent device <device>. This is a
|
||||
write-only file.
|
||||
For example:
|
||||
# echo "83b8f4f2-509f-382f-3c1e-e6bfe0fa1001" > \
|
||||
For example::
|
||||
|
||||
# echo "83b8f4f2-509f-382f-3c1e-e6bfe0fa1001" > \
|
||||
/sys/devices/foo/mdev_supported_types/foo-1/create
|
||||
|
||||
What: /sys/.../mdev_supported_types/<type-id>/devices/
|
||||
|
|
@ -107,5 +108,6 @@ Description:
|
|||
Writing '1' to this file destroys the mediated device. The
|
||||
vendor driver can fail the remove() callback if that device
|
||||
is active and the vendor driver doesn't support hot unplug.
|
||||
Example:
|
||||
# echo 1 > /sys/bus/mdev/devices/<UUID>/remove
|
||||
Example::
|
||||
|
||||
# echo 1 > /sys/bus/mdev/devices/<UUID>/remove
|
||||
|
|
|
|||
|
|
@ -72,11 +72,16 @@ Description: read/write
|
|||
when performing the START_WORK ioctl. Only applicable when
|
||||
running under hashed page table mmu.
|
||||
Possible values:
|
||||
none: No prefaulting (default)
|
||||
work_element_descriptor: Treat the work element
|
||||
descriptor as an effective address and
|
||||
prefault what it points to.
|
||||
all: all segments process calling START_WORK maps.
|
||||
|
||||
======================= ======================================
|
||||
none No prefaulting (default)
|
||||
work_element_descriptor Treat the work element
|
||||
descriptor as an effective address and
|
||||
prefault what it points to.
|
||||
all all segments process calling
|
||||
START_WORK maps.
|
||||
======================= ======================================
|
||||
|
||||
Users: https://github.com/ibm-capi/libcxl
|
||||
|
||||
What: /sys/class/cxl/<afu>/reset
|
||||
|
|
|
|||
|
|
@ -50,7 +50,7 @@ Description:
|
|||
You can change triggers in a similar manner to the way an IO
|
||||
scheduler is chosen. Trigger specific parameters can appear in
|
||||
/sys/class/leds/<led> once a given trigger is selected. For
|
||||
their documentation see sysfs-class-led-trigger-*.
|
||||
their documentation see `sysfs-class-led-trigger-*`.
|
||||
|
||||
What: /sys/class/leds/<led>/inverted
|
||||
Date: January 2011
|
||||
|
|
|
|||
|
|
@ -6,127 +6,132 @@ Description:
|
|||
The LEDs board supports only predefined patterns by firmware
|
||||
for specific LEDs.
|
||||
|
||||
Breathing mode for Screen frame light tube:
|
||||
"0 4000 1 4000"
|
||||
Breathing mode for Screen frame light tube::
|
||||
|
||||
^
|
||||
|
|
||||
Max-| ---
|
||||
| / \
|
||||
| / \
|
||||
| / \ /
|
||||
| / \ /
|
||||
Min-|- ---
|
||||
|
|
||||
0------4------8--> time (sec)
|
||||
"0 4000 1 4000"
|
||||
|
||||
Cascade mode for Pipe LED:
|
||||
"1 800 2 800 4 800 8 800 16 800"
|
||||
^
|
||||
|
|
||||
Max-| ---
|
||||
| / \
|
||||
| / \
|
||||
| / \ /
|
||||
| / \ /
|
||||
Min-|- ---
|
||||
|
|
||||
0------4------8--> time (sec)
|
||||
|
||||
^
|
||||
|
|
||||
0 On -|----+ +----+ +---
|
||||
| | | | |
|
||||
Off-| +-------------------+ +-------------------+
|
||||
|
|
||||
1 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off |----+ +-------------------+ +------------------
|
||||
|
|
||||
2 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|---------+ +-------------------+ +-------------
|
||||
|
|
||||
3 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|--------------+ +-------------------+ +--------
|
||||
|
|
||||
4 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|-------------------+ +-------------------+ +---
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
Cascade mode for Pipe LED::
|
||||
|
||||
Inverted cascade mode for Pipe LED:
|
||||
"30 800 29 800 27 800 23 800 15 800"
|
||||
"1 800 2 800 4 800 8 800 16 800"
|
||||
|
||||
^
|
||||
|
|
||||
0 On -| +-------------------+ +-------------------+
|
||||
| | | | |
|
||||
Off-|----+ +----+ +---
|
||||
|
|
||||
1 On -|----+ +-------------------+ +------------------
|
||||
| | | | |
|
||||
Off | +----+ +----+
|
||||
|
|
||||
2 On -|---------+ +-------------------+ +-------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
3 On -|--------------+ +-------------------+ +--------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
4 On -|-------------------+ +-------------------+ +---
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
^
|
||||
|
|
||||
0 On -|----+ +----+ +---
|
||||
| | | | |
|
||||
Off-| +-------------------+ +-------------------+
|
||||
|
|
||||
1 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off |----+ +-------------------+ +------------------
|
||||
|
|
||||
2 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|---------+ +-------------------+ +-------------
|
||||
|
|
||||
3 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|--------------+ +-------------------+ +--------
|
||||
|
|
||||
4 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|-------------------+ +-------------------+ +---
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
|
||||
Bounce mode for Pipe LED:
|
||||
"1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800"
|
||||
Inverted cascade mode for Pipe LED::
|
||||
|
||||
^
|
||||
|
|
||||
0 On -|----+ +--------
|
||||
| | |
|
||||
Off-| +---------------------------------------+
|
||||
|
|
||||
1 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off |----+ +-----------------------------+ +--------
|
||||
|
|
||||
2 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|---------+ +-------------------+ +-------------
|
||||
|
|
||||
3 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|--------------+ +---------+ +------------------
|
||||
|
|
||||
4 On -| +---------+
|
||||
| | |
|
||||
Off-|-------------------+ +-----------------------
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
"30 800 29 800 27 800 23 800 15 800"
|
||||
|
||||
Inverted bounce mode for Pipe LED:
|
||||
"30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800"
|
||||
^
|
||||
|
|
||||
0 On -| +-------------------+ +-------------------+
|
||||
| | | | |
|
||||
Off-|----+ +----+ +---
|
||||
|
|
||||
1 On -|----+ +-------------------+ +------------------
|
||||
| | | | |
|
||||
Off | +----+ +----+
|
||||
|
|
||||
2 On -|---------+ +-------------------+ +-------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
3 On -|--------------+ +-------------------+ +--------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
4 On -|-------------------+ +-------------------+ +---
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
|
||||
^
|
||||
|
|
||||
0 On -| +---------------------------------------+
|
||||
| | |
|
||||
Off-|----+ +--------
|
||||
|
|
||||
1 On -|----+ +-----------------------------+ +--------
|
||||
| | | | |
|
||||
Off | +----+ +----+
|
||||
|
|
||||
2 On -|---------+ +-------------------+ +-------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
3 On -|--------------+ +---------+ +------------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
4 On -|-------------------+ +-----------------------
|
||||
| | |
|
||||
Off-| +---------+
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
Bounce mode for Pipe LED::
|
||||
|
||||
"1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800"
|
||||
|
||||
^
|
||||
|
|
||||
0 On -|----+ +--------
|
||||
| | |
|
||||
Off-| +---------------------------------------+
|
||||
|
|
||||
1 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off |----+ +-----------------------------+ +--------
|
||||
|
|
||||
2 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|---------+ +-------------------+ +-------------
|
||||
|
|
||||
3 On -| +----+ +----+
|
||||
| | | | |
|
||||
Off-|--------------+ +---------+ +------------------
|
||||
|
|
||||
4 On -| +---------+
|
||||
| | |
|
||||
Off-|-------------------+ +-----------------------
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
|
||||
Inverted bounce mode for Pipe LED::
|
||||
|
||||
"30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800"
|
||||
|
||||
^
|
||||
|
|
||||
0 On -| +---------------------------------------+
|
||||
| | |
|
||||
Off-|----+ +--------
|
||||
|
|
||||
1 On -|----+ +-----------------------------+ +--------
|
||||
| | | | |
|
||||
Off | +----+ +----+
|
||||
|
|
||||
2 On -|---------+ +-------------------+ +-------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
3 On -|--------------+ +---------+ +------------------
|
||||
| | | | |
|
||||
Off-| +----+ +----+
|
||||
|
|
||||
4 On -|-------------------+ +-----------------------
|
||||
| | |
|
||||
Off-| +---------+
|
||||
|
|
||||
0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec)
|
||||
|
||||
What: /sys/class/leds/<led>/repeat
|
||||
Date: September 2019
|
||||
|
|
|
|||
|
|
@ -12,8 +12,8 @@ Description:
|
|||
format, we should set brightness as 0 for rise stage, fall
|
||||
stage and low stage.
|
||||
|
||||
Min stage duration: 125 ms
|
||||
Max stage duration: 31875 ms
|
||||
- Min stage duration: 125 ms
|
||||
- Max stage duration: 31875 ms
|
||||
|
||||
Since the stage duration step is 125 ms, the duration should be
|
||||
a multiplier of 125, like 125ms, 250ms, 375ms, 500ms ... 31875ms.
|
||||
|
|
|
|||
|
|
@ -41,24 +41,33 @@ Description:
|
|||
When read, this entry provides the current state of an Intel
|
||||
MIC device in the context of the card OS. Possible values that
|
||||
will be read are:
|
||||
"ready" - The MIC device is ready to boot the card OS. On
|
||||
reading this entry after an OSPM resume, a "boot" has to be
|
||||
written to this entry if the card was previously shutdown
|
||||
during OSPM suspend.
|
||||
"booting" - The MIC device has initiated booting a card OS.
|
||||
"online" - The MIC device has completed boot and is online
|
||||
"shutting_down" - The card OS is shutting down.
|
||||
"resetting" - A reset has been initiated for the MIC device
|
||||
"reset_failed" - The MIC device has failed to reset.
|
||||
|
||||
|
||||
=============== ===============================================
|
||||
"ready" The MIC device is ready to boot the card OS.
|
||||
On reading this entry after an OSPM resume,
|
||||
a "boot" has to be written to this entry if
|
||||
the card was previously shutdown during OSPM
|
||||
suspend.
|
||||
"booting" The MIC device has initiated booting a card OS.
|
||||
"online" The MIC device has completed boot and is online
|
||||
"shutting_down" The card OS is shutting down.
|
||||
"resetting" A reset has been initiated for the MIC device
|
||||
"reset_failed" The MIC device has failed to reset.
|
||||
=============== ===============================================
|
||||
|
||||
When written, this sysfs entry triggers different state change
|
||||
operations depending upon the current state of the card OS.
|
||||
Acceptable values are:
|
||||
"boot" - Boot the card OS image specified by the combination
|
||||
of firmware, ramdisk, cmdline and bootmode
|
||||
sysfs entries.
|
||||
"reset" - Initiates device reset.
|
||||
"shutdown" - Initiates card OS shutdown.
|
||||
|
||||
|
||||
========== ===================================================
|
||||
"boot" Boot the card OS image specified by the combination
|
||||
of firmware, ramdisk, cmdline and bootmode
|
||||
sysfs entries.
|
||||
"reset" Initiates device reset.
|
||||
"shutdown" Initiates card OS shutdown.
|
||||
========== ===================================================
|
||||
|
||||
What: /sys/class/mic/mic(x)/shutdown_status
|
||||
Date: October 2013
|
||||
|
|
@ -69,12 +78,15 @@ Description:
|
|||
OS can shutdown because of various reasons. When read, this
|
||||
entry provides the status on why the card OS was shutdown.
|
||||
Possible values are:
|
||||
"nop" - shutdown status is not applicable, when the card OS is
|
||||
"online"
|
||||
"crashed" - Shutdown because of a HW or SW crash.
|
||||
"halted" - Shutdown because of a halt command.
|
||||
"poweroff" - Shutdown because of a poweroff command.
|
||||
"restart" - Shutdown because of a restart command.
|
||||
|
||||
========== ===================================================
|
||||
"nop" shutdown status is not applicable, when the card OS
|
||||
is "online"
|
||||
"crashed" Shutdown because of a HW or SW crash.
|
||||
"halted" Shutdown because of a halt command.
|
||||
"poweroff" Shutdown because of a poweroff command.
|
||||
"restart" Shutdown because of a restart command.
|
||||
========== ===================================================
|
||||
|
||||
What: /sys/class/mic/mic(x)/cmdline
|
||||
Date: October 2013
|
||||
|
|
|
|||
|
|
@ -11,8 +11,11 @@ Contact: linuxppc-dev@lists.ozlabs.org
|
|||
Description: read only
|
||||
Number of contexts for the AFU, in the format <n>/<max>
|
||||
where:
|
||||
|
||||
==== ===============================================
|
||||
n: number of currently active contexts, for debug
|
||||
max: maximum number of contexts supported by the AFU
|
||||
==== ===============================================
|
||||
|
||||
What: /sys/class/ocxl/<afu name>/pp_mmio_size
|
||||
Date: January 2018
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
===== General Properties =====
|
||||
**General Properties**
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/manufacturer
|
||||
Date: May 2007
|
||||
|
|
@ -72,6 +72,7 @@ Description:
|
|||
critically low).
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: 0 - 100 (percent)
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/capacity_error_margin
|
||||
|
|
@ -96,7 +97,9 @@ Description:
|
|||
Coarse representation of battery capacity.
|
||||
|
||||
Access: Read
|
||||
Valid values: "Unknown", "Critical", "Low", "Normal", "High",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "Critical", "Low", "Normal", "High",
|
||||
"Full"
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/current_avg
|
||||
|
|
@ -139,6 +142,7 @@ Description:
|
|||
throttling for thermal cooling or improving battery health.
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/charge_control_limit_max
|
||||
|
|
@ -148,6 +152,7 @@ Description:
|
|||
Maximum legal value for the charge_control_limit property.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/charge_control_start_threshold
|
||||
|
|
@ -168,6 +173,7 @@ Description:
|
|||
stop.
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: 0 - 100 (percent)
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/charge_type
|
||||
|
|
@ -183,7 +189,9 @@ Description:
|
|||
different algorithm.
|
||||
|
||||
Access: Read, Write
|
||||
Valid values: "Unknown", "N/A", "Trickle", "Fast", "Standard",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "N/A", "Trickle", "Fast", "Standard",
|
||||
"Adaptive", "Custom"
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/charge_term_current
|
||||
|
|
@ -194,6 +202,7 @@ Description:
|
|||
when the battery is considered full and charging should end.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/health
|
||||
|
|
@ -204,7 +213,9 @@ Description:
|
|||
functionality.
|
||||
|
||||
Access: Read
|
||||
Valid values: "Unknown", "Good", "Overheat", "Dead",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "Good", "Overheat", "Dead",
|
||||
"Over voltage", "Unspecified failure", "Cold",
|
||||
"Watchdog timer expire", "Safety timer expire",
|
||||
"Over current", "Calibration required", "Warm",
|
||||
|
|
@ -218,6 +229,7 @@ Description:
|
|||
for a battery charge cycle.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/present
|
||||
|
|
@ -227,9 +239,13 @@ Description:
|
|||
Reports whether a battery is present or not in the system.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values:
|
||||
|
||||
== =======
|
||||
0: Absent
|
||||
1: Present
|
||||
== =======
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/status
|
||||
Date: May 2007
|
||||
|
|
@ -240,7 +256,9 @@ Description:
|
|||
used to enable/disable charging to the battery.
|
||||
|
||||
Access: Read, Write
|
||||
Valid values: "Unknown", "Charging", "Discharging",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "Charging", "Discharging",
|
||||
"Not charging", "Full"
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/technology
|
||||
|
|
@ -250,7 +268,9 @@ Description:
|
|||
Describes the battery technology supported by the supply.
|
||||
|
||||
Access: Read
|
||||
Valid values: "Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe",
|
||||
"NiCd", "LiMn"
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp
|
||||
|
|
@ -260,6 +280,7 @@ Description:
|
|||
Reports the current TBAT battery temperature reading.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_alert_max
|
||||
|
|
@ -274,6 +295,7 @@ Description:
|
|||
critically high, and charging has stopped).
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_alert_min
|
||||
|
|
@ -289,6 +311,7 @@ Description:
|
|||
remedy the situation).
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_max
|
||||
|
|
@ -299,6 +322,7 @@ Description:
|
|||
charging.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_min
|
||||
|
|
@ -309,6 +333,7 @@ Description:
|
|||
charging.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_avg,
|
||||
|
|
@ -320,6 +345,7 @@ Description:
|
|||
which they average readings to smooth out the reported value.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_max,
|
||||
|
|
@ -330,6 +356,7 @@ Description:
|
|||
during charging.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_min,
|
||||
|
|
@ -340,6 +367,7 @@ Description:
|
|||
during discharging.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_now,
|
||||
|
|
@ -350,9 +378,10 @@ Description:
|
|||
This value is not averaged/smoothed.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
===== USB Properties =====
|
||||
**USB Properties**
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/current_avg
|
||||
Date: May 2007
|
||||
|
|
@ -363,6 +392,7 @@ Description:
|
|||
average readings to smooth out the reported value.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
|
||||
|
|
@ -373,6 +403,7 @@ Description:
|
|||
Reports the maximum IBUS current the supply can support.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/current_now
|
||||
|
|
@ -385,6 +416,7 @@ Description:
|
|||
within the reported min/max range.
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/input_current_limit
|
||||
|
|
@ -399,6 +431,7 @@ Description:
|
|||
solved using power limit use input_current_limit.
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: Represented in microamps
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/input_voltage_limit
|
||||
|
|
@ -441,10 +474,14 @@ Description:
|
|||
USB supply so voltage and current can be controlled).
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values:
|
||||
|
||||
== ==================================================
|
||||
0: Offline
|
||||
1: Online Fixed - Fixed Voltage Supply
|
||||
2: Online Programmable - Programmable Voltage Supply
|
||||
== ==================================================
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp
|
||||
Date: May 2007
|
||||
|
|
@ -455,6 +492,7 @@ Description:
|
|||
TJUNC temperature of an IC)
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_alert_max
|
||||
|
|
@ -470,6 +508,7 @@ Description:
|
|||
remedy the situation).
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_alert_min
|
||||
|
|
@ -485,6 +524,7 @@ Description:
|
|||
accordingly to remedy the situation).
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_max
|
||||
|
|
@ -494,6 +534,7 @@ Description:
|
|||
Reports the maximum allowed supply temperature for operation.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/temp_min
|
||||
|
|
@ -503,6 +544,7 @@ Description:
|
|||
Reports the mainimum allowed supply temperature for operation.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in 1/10 Degrees Celsius
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/usb_type
|
||||
|
|
@ -514,7 +556,9 @@ Description:
|
|||
is attached.
|
||||
|
||||
Access: Read-Only
|
||||
Valid values: "Unknown", "SDP", "DCP", "CDP", "ACA", "C", "PD",
|
||||
|
||||
Valid values:
|
||||
"Unknown", "SDP", "DCP", "CDP", "ACA", "C", "PD",
|
||||
"PD_DRP", "PD_PPS", "BrickID"
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_max
|
||||
|
|
@ -524,6 +568,7 @@ Description:
|
|||
Reports the maximum VBUS voltage the supply can support.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_min
|
||||
|
|
@ -533,6 +578,7 @@ Description:
|
|||
Reports the minimum VBUS voltage the supply can support.
|
||||
|
||||
Access: Read
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
What: /sys/class/power_supply/<supply_name>/voltage_now
|
||||
|
|
@ -545,9 +591,10 @@ Description:
|
|||
within the reported min/max range.
|
||||
|
||||
Access: Read, Write
|
||||
|
||||
Valid values: Represented in microvolts
|
||||
|
||||
===== Device Specific Properties =====
|
||||
**Device Specific Properties**
|
||||
|
||||
What: /sys/class/power/ds2760-battery.*/charge_now
|
||||
Date: May 2010
|
||||
|
|
@ -581,6 +628,7 @@ Description:
|
|||
will drop to 0 A) and will trigger interrupt.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 5, 6 or 7 (hours),
|
||||
- 0: disabled.
|
||||
|
||||
|
|
@ -595,6 +643,7 @@ Description:
|
|||
will drop to 0 A) and will trigger interrupt.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 4 - 16 (hours), step by 2 (rounded down)
|
||||
- 0: disabled.
|
||||
|
||||
|
|
@ -609,6 +658,7 @@ Description:
|
|||
interrupt and start top-off charging mode.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 100000 - 200000 (microamps), step by 25000 (rounded down)
|
||||
- 200000 - 350000 (microamps), step by 50000 (rounded down)
|
||||
- 0: disabled.
|
||||
|
|
@ -624,6 +674,7 @@ Description:
|
|||
will drop to 0 A) and will trigger interrupt.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 0 - 70 (minutes), step by 10 (rounded down)
|
||||
|
||||
What: /sys/class/power_supply/bq24257-charger/ovp_voltage
|
||||
|
|
@ -637,6 +688,7 @@ Description:
|
|||
device datasheet for details.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 6000000, 6500000, 7000000, 8000000, 9000000, 9500000, 10000000,
|
||||
10500000 (all uV)
|
||||
|
||||
|
|
@ -652,6 +704,7 @@ Description:
|
|||
lower than the set value. See device datasheet for details.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 4200000, 4280000, 4360000, 4440000, 4520000, 4600000, 4680000,
|
||||
4760000 (all uV)
|
||||
|
||||
|
|
@ -666,6 +719,7 @@ Description:
|
|||
the charger operates normally. See device datasheet for details.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 1: enabled
|
||||
- 0: disabled
|
||||
|
||||
|
|
@ -681,6 +735,7 @@ Description:
|
|||
from the system. See device datasheet for details.
|
||||
|
||||
Valid values:
|
||||
|
||||
- 1: enabled
|
||||
- 0: disabled
|
||||
|
||||
|
|
|
|||
|
|
@ -4,18 +4,20 @@ Description:
|
|||
Writing to this can disable charging.
|
||||
|
||||
Possible values are:
|
||||
"auto" - draw power as appropriate for detected
|
||||
power source and battery status.
|
||||
"off" - do not draw any power.
|
||||
"continuous"
|
||||
- activate mode described as "linear" in
|
||||
TWL data sheets. This uses whatever
|
||||
current is available and doesn't switch off
|
||||
when voltage drops.
|
||||
|
||||
This is useful for unstable power sources
|
||||
such as bicycle dynamo, but care should
|
||||
be taken that battery is not over-charged.
|
||||
============= ===========================================
|
||||
"auto" draw power as appropriate for detected
|
||||
power source and battery status.
|
||||
"off" do not draw any power.
|
||||
"continuous" activate mode described as "linear" in
|
||||
TWL data sheets. This uses whatever
|
||||
current is available and doesn't switch off
|
||||
when voltage drops.
|
||||
|
||||
This is useful for unstable power sources
|
||||
such as bicycle dynamo, but care should
|
||||
be taken that battery is not over-charged.
|
||||
============= ===========================================
|
||||
|
||||
What: /sys/class/power_supply/twl4030_ac/mode
|
||||
Description:
|
||||
|
|
@ -23,6 +25,9 @@ Description:
|
|||
Writing to this can disable charging.
|
||||
|
||||
Possible values are:
|
||||
"auto" - draw power as appropriate for detected
|
||||
power source and battery status.
|
||||
"off" - do not draw any power.
|
||||
|
||||
====== ===========================================
|
||||
"auto" draw power as appropriate for detected
|
||||
power source and battery status.
|
||||
"off" do not draw any power.
|
||||
====== ===========================================
|
||||
|
|
|
|||
|
|
@ -21,15 +21,22 @@ KernelVersion: 2.6.36
|
|||
Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
||||
Description:
|
||||
Reading this file returns a list of available protocols,
|
||||
something like:
|
||||
something like::
|
||||
|
||||
"rc5 [rc6] nec jvc [sony]"
|
||||
|
||||
Enabled protocols are shown in [] brackets.
|
||||
|
||||
Writing "+proto" will add a protocol to the list of enabled
|
||||
protocols.
|
||||
|
||||
Writing "-proto" will remove a protocol from the list of enabled
|
||||
protocols.
|
||||
|
||||
Writing "proto" will enable only "proto".
|
||||
|
||||
Writing "none" will disable all protocols.
|
||||
|
||||
Write fails with EINVAL if an invalid protocol combination or
|
||||
unknown protocol name is used.
|
||||
|
||||
|
|
@ -39,11 +46,13 @@ KernelVersion: 3.15
|
|||
Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
||||
Description:
|
||||
Sets the scancode filter expected value.
|
||||
|
||||
Use in combination with /sys/class/rc/rcN/filter_mask to set the
|
||||
expected value of the bits set in the filter mask.
|
||||
If the hardware supports it then scancodes which do not match
|
||||
the filter will be ignored. Otherwise the write will fail with
|
||||
an error.
|
||||
|
||||
This value may be reset to 0 if the current protocol is altered.
|
||||
|
||||
What: /sys/class/rc/rcN/filter_mask
|
||||
|
|
@ -56,9 +65,11 @@ Description:
|
|||
of the scancode which should be compared against the expected
|
||||
value. A value of 0 disables the filter to allow all valid
|
||||
scancodes to be processed.
|
||||
|
||||
If the hardware supports it then scancodes which do not match
|
||||
the filter will be ignored. Otherwise the write will fail with
|
||||
an error.
|
||||
|
||||
This value may be reset to 0 if the current protocol is altered.
|
||||
|
||||
What: /sys/class/rc/rcN/wakeup_protocols
|
||||
|
|
@ -67,15 +78,22 @@ KernelVersion: 4.11
|
|||
Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
||||
Description:
|
||||
Reading this file returns a list of available protocols to use
|
||||
for the wakeup filter, something like:
|
||||
for the wakeup filter, something like::
|
||||
|
||||
"rc-5 nec nec-x rc-6-0 rc-6-6a-24 [rc-6-6a-32] rc-6-mce"
|
||||
|
||||
Note that protocol variants are listed, so "nec", "sony",
|
||||
"rc-5", "rc-6" have their different bit length encodings
|
||||
listed if available.
|
||||
|
||||
The enabled wakeup protocol is shown in [] brackets.
|
||||
|
||||
Only one protocol can be selected at a time.
|
||||
|
||||
Writing "proto" will use "proto" for wakeup events.
|
||||
|
||||
Writing "none" will disable wakeup.
|
||||
|
||||
Write fails with EINVAL if an invalid protocol combination or
|
||||
unknown protocol name is used, or if wakeup is not supported by
|
||||
the hardware.
|
||||
|
|
@ -86,13 +104,17 @@ KernelVersion: 3.15
|
|||
Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
||||
Description:
|
||||
Sets the scancode wakeup filter expected value.
|
||||
|
||||
Use in combination with /sys/class/rc/rcN/wakeup_filter_mask to
|
||||
set the expected value of the bits set in the wakeup filter mask
|
||||
to trigger a system wake event.
|
||||
|
||||
If the hardware supports it and wakeup_filter_mask is not 0 then
|
||||
scancodes which match the filter will wake the system from e.g.
|
||||
suspend to RAM or power off.
|
||||
|
||||
Otherwise the write will fail with an error.
|
||||
|
||||
This value may be reset to 0 if the wakeup protocol is altered.
|
||||
|
||||
What: /sys/class/rc/rcN/wakeup_filter_mask
|
||||
|
|
@ -101,11 +123,15 @@ KernelVersion: 3.15
|
|||
Contact: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
||||
Description:
|
||||
Sets the scancode wakeup filter mask of bits to compare.
|
||||
|
||||
Use in combination with /sys/class/rc/rcN/wakeup_filter to set
|
||||
the bits of the scancode which should be compared against the
|
||||
expected value to trigger a system wake event.
|
||||
|
||||
If the hardware supports it and wakeup_filter_mask is not 0 then
|
||||
scancodes which match the filter will wake the system from e.g.
|
||||
suspend to RAM or power off.
|
||||
|
||||
Otherwise the write will fail with an error.
|
||||
|
||||
This value may be reset to 0 if the wakeup protocol is altered.
|
||||
|
|
|
|||
|
|
@ -56,8 +56,9 @@ Description:
|
|||
management) on top, which makes it match the Windows IRST (Intel
|
||||
Rapid Storage Technology) driver settings. This setting is also
|
||||
close to min_power, except that:
|
||||
|
||||
a) It does not use host-initiated slumber mode, but it does
|
||||
allow device-initiated slumber
|
||||
allow device-initiated slumber
|
||||
b) It does not enable low power device sleep mode (DevSlp).
|
||||
|
||||
What: /sys/class/scsi_host/hostX/em_message
|
||||
|
|
@ -70,8 +71,8 @@ Description:
|
|||
protocol, writes and reads correspond to the LED message format
|
||||
as defined in the AHCI spec.
|
||||
|
||||
The user must turn sw_activity (under /sys/block/*/device/) OFF
|
||||
it they wish to control the activity LED via the em_message
|
||||
The user must turn sw_activity (under `/sys/block/*/device/`)
|
||||
OFF it they wish to control the activity LED via the em_message
|
||||
file.
|
||||
|
||||
em_message_type: (RO) Displays the current enclosure management
|
||||
|
|
|
|||
|
|
@ -40,10 +40,13 @@ Description:
|
|||
attribute will not return until the operation has finished.
|
||||
|
||||
Valid values:
|
||||
- source (The port will behave as source only DFP port)
|
||||
- sink (The port will behave as sink only UFP port)
|
||||
- dual (The port will behave as dual-role-data and
|
||||
|
||||
====== ==============================================
|
||||
source (The port will behave as source only DFP port)
|
||||
sink (The port will behave as sink only UFP port)
|
||||
dual (The port will behave as dual-role-data and
|
||||
dual-role-power port)
|
||||
====== ==============================================
|
||||
|
||||
What: /sys/class/typec/<port>/vconn_source
|
||||
Date: April 2017
|
||||
|
|
@ -59,6 +62,7 @@ Description:
|
|||
generates uevent KOBJ_CHANGE.
|
||||
|
||||
Valid values:
|
||||
|
||||
- "no" when the port is not the VCONN Source
|
||||
- "yes" when the port is the VCONN Source
|
||||
|
||||
|
|
@ -72,6 +76,7 @@ Description:
|
|||
power operation mode should show "usb_power_delivery".
|
||||
|
||||
Valid values:
|
||||
|
||||
- default
|
||||
- 1.5A
|
||||
- 3.0A
|
||||
|
|
@ -191,6 +196,7 @@ Date: April 2017
|
|||
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
|
||||
Description:
|
||||
Shows type of the plug on the cable:
|
||||
|
||||
- type-a - Standard A
|
||||
- type-b - Standard B
|
||||
- type-c
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@ Description:
|
|||
(RO) Hexadecimal bitmask of the TAD attributes are reported by
|
||||
the platform firmware (see ACPI 6.2, section 9.18.2):
|
||||
|
||||
======= ======================================================
|
||||
BIT(0): AC wakeup implemented if set
|
||||
BIT(1): DC wakeup implemented if set
|
||||
BIT(2): Get/set real time features implemented if set
|
||||
|
|
@ -16,6 +17,7 @@ Description:
|
|||
BIT(6): The AC timer wakes up from S5 if set
|
||||
BIT(7): The DC timer wakes up from S4 if set
|
||||
BIT(8): The DC timer wakes up from S5 if set
|
||||
======= ======================================================
|
||||
|
||||
The other bits are reserved.
|
||||
|
||||
|
|
@ -62,9 +64,11 @@ Description:
|
|||
timer status with the following meaning of bits (see ACPI 6.2,
|
||||
Section 9.18.5):
|
||||
|
||||
======= ======================================================
|
||||
Bit(0): The timer has expired if set.
|
||||
Bit(1): The timer has woken up the system from a sleep state
|
||||
(S3 or S4/S5 if supported) if set.
|
||||
======= ======================================================
|
||||
|
||||
The other bits are reserved.
|
||||
|
||||
|
|
|
|||
|
|
@ -9,8 +9,10 @@ Description:
|
|||
The protection has information embedded whether it blocks reads,
|
||||
writes or both.
|
||||
The result is:
|
||||
0 -> the DPS is not keylocked
|
||||
1 -> the DPS is keylocked
|
||||
|
||||
- 0 -> the DPS is not keylocked
|
||||
- 1 -> the DPS is keylocked
|
||||
|
||||
Users: None identified so far.
|
||||
|
||||
What: /sys/devices/platform/docg3/f[0-3]_dps[01]_protection_key
|
||||
|
|
@ -27,8 +29,12 @@ Description:
|
|||
Entering the correct value toggle the lock, and can be observed
|
||||
through f[0-3]_dps[01]_is_keylocked.
|
||||
Possible values are:
|
||||
|
||||
- 8 bytes
|
||||
|
||||
Typical values are:
|
||||
|
||||
- "00000000"
|
||||
- "12345678"
|
||||
|
||||
Users: None identified so far.
|
||||
|
|
|
|||
|
|
@ -17,10 +17,10 @@ Description:
|
|||
to overlay planes.
|
||||
|
||||
Selects the composition mode for the overlay. Possible values
|
||||
are
|
||||
are:
|
||||
|
||||
0 - Alpha Blending
|
||||
1 - ROP3
|
||||
- 0 - Alpha Blending
|
||||
- 1 - ROP3
|
||||
|
||||
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
|
||||
Date: May 2012
|
||||
|
|
@ -30,7 +30,7 @@ Description:
|
|||
to overlay planes.
|
||||
|
||||
Stores the x,y overlay position on the display in pixels. The
|
||||
position format is `[0-9]+,[0-9]+'.
|
||||
position format is `[0-9]+,[0-9]+`.
|
||||
|
||||
What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
|
||||
Date: May 2012
|
||||
|
|
|
|||
|
|
@ -151,23 +151,28 @@ Description:
|
|||
The processor idle states which are available for use have the
|
||||
following attributes:
|
||||
|
||||
name: (RO) Name of the idle state (string).
|
||||
======== ==== =================================================
|
||||
name: (RO) Name of the idle state (string).
|
||||
|
||||
latency: (RO) The latency to exit out of this idle state (in
|
||||
microseconds).
|
||||
microseconds).
|
||||
|
||||
power: (RO) The power consumed while in this idle state (in
|
||||
milliwatts).
|
||||
power: (RO) The power consumed while in this idle state (in
|
||||
milliwatts).
|
||||
|
||||
time: (RO) The total time spent in this idle state (in microseconds).
|
||||
time: (RO) The total time spent in this idle state
|
||||
(in microseconds).
|
||||
|
||||
usage: (RO) Number of times this state was entered (a count).
|
||||
usage: (RO) Number of times this state was entered (a count).
|
||||
|
||||
above: (RO) Number of times this state was entered, but the
|
||||
observed CPU idle duration was too short for it (a count).
|
||||
above: (RO) Number of times this state was entered, but the
|
||||
observed CPU idle duration was too short for it
|
||||
(a count).
|
||||
|
||||
below: (RO) Number of times this state was entered, but the
|
||||
observed CPU idle duration was too long for it (a count).
|
||||
below: (RO) Number of times this state was entered, but the
|
||||
observed CPU idle duration was too long for it
|
||||
(a count).
|
||||
======== ==== =================================================
|
||||
|
||||
What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/desc
|
||||
Date: February 2008
|
||||
|
|
@ -290,6 +295,7 @@ Description: Processor frequency boosting control
|
|||
This switch controls the boost setting for the whole system.
|
||||
Boosting allows the CPU and the firmware to run at a frequency
|
||||
beyound it's nominal limit.
|
||||
|
||||
More details can be found in
|
||||
Documentation/admin-guide/pm/cpufreq.rst
|
||||
|
||||
|
|
@ -337,43 +343,57 @@ Contact: Sudeep Holla <sudeep.holla@arm.com>
|
|||
Description: Parameters for the CPU cache attributes
|
||||
|
||||
allocation_policy:
|
||||
- WriteAllocate: allocate a memory location to a cache line
|
||||
on a cache miss because of a write
|
||||
- ReadAllocate: allocate a memory location to a cache line
|
||||
- WriteAllocate:
|
||||
allocate a memory location to a cache line
|
||||
on a cache miss because of a write
|
||||
- ReadAllocate:
|
||||
allocate a memory location to a cache line
|
||||
on a cache miss because of a read
|
||||
- ReadWriteAllocate: both writeallocate and readallocate
|
||||
- ReadWriteAllocate:
|
||||
both writeallocate and readallocate
|
||||
|
||||
attributes: LEGACY used only on IA64 and is same as write_policy
|
||||
attributes:
|
||||
LEGACY used only on IA64 and is same as write_policy
|
||||
|
||||
coherency_line_size: the minimum amount of data in bytes that gets
|
||||
coherency_line_size:
|
||||
the minimum amount of data in bytes that gets
|
||||
transferred from memory to cache
|
||||
|
||||
level: the cache hierarchy in the multi-level cache configuration
|
||||
level:
|
||||
the cache hierarchy in the multi-level cache configuration
|
||||
|
||||
number_of_sets: total number of sets in the cache, a set is a
|
||||
number_of_sets:
|
||||
total number of sets in the cache, a set is a
|
||||
collection of cache lines with the same cache index
|
||||
|
||||
physical_line_partition: number of physical cache line per cache tag
|
||||
physical_line_partition:
|
||||
number of physical cache line per cache tag
|
||||
|
||||
shared_cpu_list: the list of logical cpus sharing the cache
|
||||
shared_cpu_list:
|
||||
the list of logical cpus sharing the cache
|
||||
|
||||
shared_cpu_map: logical cpu mask containing the list of cpus sharing
|
||||
shared_cpu_map:
|
||||
logical cpu mask containing the list of cpus sharing
|
||||
the cache
|
||||
|
||||
size: the total cache size in kB
|
||||
size:
|
||||
the total cache size in kB
|
||||
|
||||
type:
|
||||
- Instruction: cache that only holds instructions
|
||||
- Data: cache that only caches data
|
||||
- Unified: cache that holds both data and instructions
|
||||
|
||||
ways_of_associativity: degree of freedom in placing a particular block
|
||||
of memory in the cache
|
||||
ways_of_associativity:
|
||||
degree of freedom in placing a particular block
|
||||
of memory in the cache
|
||||
|
||||
write_policy:
|
||||
- WriteThrough: data is written to both the cache line
|
||||
- WriteThrough:
|
||||
data is written to both the cache line
|
||||
and to the block in the lower-level memory
|
||||
- WriteBack: data is written only to the cache line and
|
||||
- WriteBack:
|
||||
data is written only to the cache line and
|
||||
the modified cache line is written to main
|
||||
memory only when it is replaced
|
||||
|
||||
|
|
@ -414,30 +434,30 @@ Description: POWERNV CPUFreq driver's frequency throttle stats directory and
|
|||
throttle attributes exported in the 'throttle_stats' directory:
|
||||
|
||||
- turbo_stat : This file gives the total number of times the max
|
||||
frequency is throttled to lower frequency in turbo (at and above
|
||||
nominal frequency) range of frequencies.
|
||||
frequency is throttled to lower frequency in turbo (at and above
|
||||
nominal frequency) range of frequencies.
|
||||
|
||||
- sub_turbo_stat : This file gives the total number of times the
|
||||
max frequency is throttled to lower frequency in sub-turbo(below
|
||||
nominal frequency) range of frequencies.
|
||||
max frequency is throttled to lower frequency in sub-turbo(below
|
||||
nominal frequency) range of frequencies.
|
||||
|
||||
- unthrottle : This file gives the total number of times the max
|
||||
frequency is unthrottled after being throttled.
|
||||
frequency is unthrottled after being throttled.
|
||||
|
||||
- powercap : This file gives the total number of times the max
|
||||
frequency is throttled due to 'Power Capping'.
|
||||
frequency is throttled due to 'Power Capping'.
|
||||
|
||||
- overtemp : This file gives the total number of times the max
|
||||
frequency is throttled due to 'CPU Over Temperature'.
|
||||
frequency is throttled due to 'CPU Over Temperature'.
|
||||
|
||||
- supply_fault : This file gives the total number of times the
|
||||
max frequency is throttled due to 'Power Supply Failure'.
|
||||
max frequency is throttled due to 'Power Supply Failure'.
|
||||
|
||||
- overcurrent : This file gives the total number of times the
|
||||
max frequency is throttled due to 'Overcurrent'.
|
||||
max frequency is throttled due to 'Overcurrent'.
|
||||
|
||||
- occ_reset : This file gives the total number of times the max
|
||||
frequency is throttled due to 'OCC Reset'.
|
||||
frequency is throttled due to 'OCC Reset'.
|
||||
|
||||
The sysfs attributes representing different throttle reasons like
|
||||
powercap, overtemp, supply_fault, overcurrent and occ_reset map to
|
||||
|
|
@ -469,8 +489,9 @@ What: /sys/devices/system/cpu/cpuX/regs/
|
|||
Date: June 2016
|
||||
Contact: Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
|
||||
Description: AArch64 CPU registers
|
||||
|
||||
'identification' directory exposes the CPU ID registers for
|
||||
identifying model and revision of the CPU.
|
||||
identifying model and revision of the CPU.
|
||||
|
||||
What: /sys/devices/system/cpu/cpu#/cpu_capacity
|
||||
Date: December 2016
|
||||
|
|
@ -497,9 +518,11 @@ Description: Information about CPU vulnerabilities
|
|||
vulnerabilities. The output of those files reflects the
|
||||
state of the CPUs in the system. Possible output values:
|
||||
|
||||
================ ==============================================
|
||||
"Not affected" CPU is not affected by the vulnerability
|
||||
"Vulnerable" CPU is affected and no mitigation in effect
|
||||
"Mitigation: $M" CPU is affected and mitigation $M is in effect
|
||||
================ ==============================================
|
||||
|
||||
See also: Documentation/admin-guide/hw-vuln/index.rst
|
||||
|
||||
|
|
@ -515,12 +538,14 @@ Description: Control Symetric Multi Threading (SMT)
|
|||
control: Read/write interface to control SMT. Possible
|
||||
values:
|
||||
|
||||
================ =========================================
|
||||
"on" SMT is enabled
|
||||
"off" SMT is disabled
|
||||
"forceoff" SMT is force disabled. Cannot be changed.
|
||||
"notsupported" SMT is not supported by the CPU
|
||||
"notimplemented" SMT runtime toggling is not
|
||||
implemented for the architecture
|
||||
================ =========================================
|
||||
|
||||
If control status is "forceoff" or "notsupported" writes
|
||||
are rejected.
|
||||
|
|
|
|||
|
|
@ -5,8 +5,10 @@ Contact: Vernon Mauery <vernux@us.ibm.com>
|
|||
Description: The state file allows a means by which to change in and
|
||||
out of Premium Real-Time Mode (PRTM), as well as the
|
||||
ability to query the current state.
|
||||
0 => PRTM off
|
||||
1 => PRTM enabled
|
||||
|
||||
- 0 => PRTM off
|
||||
- 1 => PRTM enabled
|
||||
|
||||
Users: The ibm-prtm userspace daemon uses this interface.
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -6,11 +6,13 @@ Description: Read/write the current state of DDR Backup Mode, which controls
|
|||
if DDR power rails will be kept powered during system suspend.
|
||||
("on"/"1" = enabled, "off"/"0" = disabled).
|
||||
Two types of power switches (or control signals) can be used:
|
||||
|
||||
A. With a momentary power switch (or pulse signal), DDR
|
||||
Backup Mode is enabled by default when available, as the
|
||||
PMIC will be configured only during system suspend.
|
||||
B. With a toggle power switch (or level signal), the
|
||||
following steps must be followed exactly:
|
||||
|
||||
1. Configure PMIC for backup mode, to change the role of
|
||||
the accessory power switch from a power switch to a
|
||||
wake-up switch,
|
||||
|
|
@ -20,8 +22,10 @@ Description: Read/write the current state of DDR Backup Mode, which controls
|
|||
3. Suspend system,
|
||||
4. Switch accessory power switch on, to resume the
|
||||
system.
|
||||
|
||||
DDR Backup Mode must be explicitly enabled by the user,
|
||||
to invoke step 1.
|
||||
|
||||
See also Documentation/devicetree/bindings/mfd/bd9571mwv.txt.
|
||||
Users: User space applications for embedded boards equipped with a
|
||||
BD9571MWV PMIC.
|
||||
|
|
|
|||
|
|
@ -29,8 +29,12 @@ What: /sys/class/genwqe/genwqe<n>_card/reload_bitstream
|
|||
Date: May 2014
|
||||
Contact: klebers@linux.vnet.ibm.com
|
||||
Description: Interface to trigger a PCIe card reset to reload the bitstream.
|
||||
|
||||
::
|
||||
|
||||
sudo sh -c 'echo 1 > \
|
||||
/sys/class/genwqe/genwqe0_card/reload_bitstream'
|
||||
|
||||
If successfully, the card will come back with the bitstream set
|
||||
on 'next_bitstream'.
|
||||
|
||||
|
|
@ -64,8 +68,11 @@ Description: Base clock frequency of the card.
|
|||
What: /sys/class/genwqe/genwqe<n>_card/device/sriov_numvfs
|
||||
Date: Oct 2013
|
||||
Contact: haver@linux.vnet.ibm.com
|
||||
Description: Enable VFs (1..15):
|
||||
Description: Enable VFs (1..15)::
|
||||
|
||||
sudo sh -c 'echo 15 > \
|
||||
/sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
|
||||
Disable VFs:
|
||||
|
||||
Disable VFs::
|
||||
|
||||
Write a 0 into the same sysfs entry.
|
||||
|
|
|
|||
|
|
@ -12,7 +12,9 @@ KernelVersion: 4.1
|
|||
Contact: Michal Malý <madcatxster@devoid-pointer.net>
|
||||
Description: Displays a set of alternate modes supported by a wheel. Each
|
||||
mode is listed as follows:
|
||||
|
||||
Tag: Mode Name
|
||||
|
||||
Currently active mode is marked with an asterisk. List also
|
||||
contains an abstract item "native" which always denotes the
|
||||
native mode of the wheel. Echoing the mode tag switches the
|
||||
|
|
@ -24,24 +26,30 @@ Description: Displays a set of alternate modes supported by a wheel. Each
|
|||
This entry is not created for devices that have only one mode.
|
||||
|
||||
Currently supported mode switches:
|
||||
Driving Force Pro:
|
||||
|
||||
Driving Force Pro::
|
||||
|
||||
DF-EX --> DFP
|
||||
|
||||
G25:
|
||||
G25::
|
||||
|
||||
DF-EX --> DFP --> G25
|
||||
|
||||
G27:
|
||||
G27::
|
||||
|
||||
DF-EX <*> DFP <-> G25 <-> G27
|
||||
DF-EX <*--------> G25 <-> G27
|
||||
DF-EX <*----------------> G27
|
||||
|
||||
G29:
|
||||
G29::
|
||||
|
||||
DF-EX <*> DFP <-> G25 <-> G27 <-> G29
|
||||
DF-EX <*--------> G25 <-> G27 <-> G29
|
||||
DF-EX <*----------------> G27 <-> G29
|
||||
DF-EX <*------------------------> G29
|
||||
|
||||
DFGT:
|
||||
DFGT::
|
||||
|
||||
DF-EX <*> DFP <-> DFGT
|
||||
DF-EX <*--------> DFGT
|
||||
|
||||
|
|
|
|||
|
|
@ -39,9 +39,13 @@ Description: While a device is initialized by the wiimote driver, we perform
|
|||
Other strings for each device-type are available and may be
|
||||
added if new device-specific detections are added.
|
||||
Currently supported are:
|
||||
gen10: First Wii Remote generation
|
||||
gen20: Second Wii Remote Plus generation (builtin MP)
|
||||
|
||||
============= =======================================
|
||||
gen10: First Wii Remote generation
|
||||
gen20: Second Wii Remote Plus generation
|
||||
(builtin MP)
|
||||
balanceboard: Wii Balance Board
|
||||
============= =======================================
|
||||
|
||||
What: /sys/bus/hid/drivers/wiimote/<dev>/bboard_calib
|
||||
Date: May 2013
|
||||
|
|
@ -54,6 +58,7 @@ Description: This attribute is only provided if the device was detected as a
|
|||
First, 0kg values for all 4 sensors are written, followed by the
|
||||
17kg values for all 4 sensors and last the 34kg values for all 4
|
||||
sensors.
|
||||
|
||||
Calibration data is already applied by the kernel to all input
|
||||
values but may be used by user-space to perform other
|
||||
transformations.
|
||||
|
|
@ -68,9 +73,11 @@ Description: This attribute is only provided if the device was detected as a
|
|||
is prefixed with a +/-. Each value is a signed 16bit number.
|
||||
Data is encoded as decimal numbers and specifies the offsets of
|
||||
the analog sticks of the pro-controller.
|
||||
|
||||
Calibration data is already applied by the kernel to all input
|
||||
values but may be used by user-space to perform other
|
||||
transformations.
|
||||
|
||||
Calibration data is detected by the kernel during device setup.
|
||||
You can write "scan\n" into this file to re-trigger calibration.
|
||||
You can also write data directly in the form "x1:y1 x2:y2" to
|
||||
|
|
|
|||
|
|
@ -9,10 +9,12 @@ Description: Some Samsung laptops have different "performance levels"
|
|||
their fans quiet at all costs. Reading from this file
|
||||
will show the current performance level. Writing to the
|
||||
file can change this value.
|
||||
|
||||
Valid options:
|
||||
"silent"
|
||||
"normal"
|
||||
"overclock"
|
||||
- "silent"
|
||||
- "normal"
|
||||
- "overclock"
|
||||
|
||||
Note that not all laptops support all of these options.
|
||||
Specifically, not all support the "overclock" option,
|
||||
and it's still unknown if this value even changes
|
||||
|
|
@ -25,8 +27,9 @@ Contact: Corentin Chary <corentin.chary@gmail.com>
|
|||
Description: Max battery charge level can be modified, battery cycle
|
||||
life can be extended by reducing the max battery charge
|
||||
level.
|
||||
0 means normal battery mode (100% charge)
|
||||
1 means battery life extender mode (80% charge)
|
||||
|
||||
- 0 means normal battery mode (100% charge)
|
||||
- 1 means battery life extender mode (80% charge)
|
||||
|
||||
What: /sys/devices/platform/samsung/usb_charge
|
||||
Date: December 1, 2011
|
||||
|
|
|
|||
|
|
@ -4,10 +4,12 @@ KernelVersion: 3.15
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the keyboard backlight operation mode, valid
|
||||
values are:
|
||||
|
||||
* 0x1 -> FN-Z
|
||||
* 0x2 -> AUTO (also called TIMER)
|
||||
* 0x8 -> ON
|
||||
* 0x10 -> OFF
|
||||
|
||||
Note that from kernel 3.16 onwards this file accepts all listed
|
||||
parameters, kernel 3.15 only accepts the first two (FN-Z and
|
||||
AUTO).
|
||||
|
|
@ -41,8 +43,10 @@ KernelVersion: 3.15
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This files controls the status of the touchpad and pointing
|
||||
stick (if available), valid values are:
|
||||
|
||||
* 0 -> OFF
|
||||
* 1 -> ON
|
||||
|
||||
Users: KToshiba
|
||||
|
||||
What: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/TOS{1900,620{0,7,8}}:00/available_kbd_modes
|
||||
|
|
@ -51,10 +55,12 @@ KernelVersion: 3.16
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file shows the supported keyboard backlight modes
|
||||
the system supports, which can be:
|
||||
|
||||
* 0x1 -> FN-Z
|
||||
* 0x2 -> AUTO (also called TIMER)
|
||||
* 0x8 -> ON
|
||||
* 0x10 -> OFF
|
||||
|
||||
Note that not all keyboard types support the listed modes.
|
||||
See the entry named "available_kbd_modes"
|
||||
Users: KToshiba
|
||||
|
|
@ -65,6 +71,7 @@ KernelVersion: 3.16
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file shows the current keyboard backlight type,
|
||||
which can be:
|
||||
|
||||
* 1 -> Type 1, supporting modes FN-Z and AUTO
|
||||
* 2 -> Type 2, supporting modes TIMER, ON and OFF
|
||||
Users: KToshiba
|
||||
|
|
@ -75,10 +82,12 @@ KernelVersion: 4.0
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the USB Sleep & Charge charging mode, which
|
||||
can be:
|
||||
|
||||
* 0 -> Disabled (0x00)
|
||||
* 1 -> Alternate (0x09)
|
||||
* 2 -> Auto (0x21)
|
||||
* 3 -> Typical (0x11)
|
||||
|
||||
Note that from kernel 4.1 onwards this file accepts all listed
|
||||
values, kernel 4.0 only supports the first three.
|
||||
Note that this feature only works when connected to power, if
|
||||
|
|
@ -93,8 +102,10 @@ Contact: Azael Avalos <coproscefalo@gmail.com>
|
|||
Description: This file controls the USB Sleep Functions under battery, and
|
||||
set the level at which point they will be disabled, accepted
|
||||
values can be:
|
||||
|
||||
* 0 -> Disabled
|
||||
* 1-100 -> Battery level to disable sleep functions
|
||||
|
||||
Currently it prints two values, the first one indicates if the
|
||||
feature is enabled or disabled, while the second one shows the
|
||||
current battery level set.
|
||||
|
|
@ -107,8 +118,10 @@ Date: January 23, 2015
|
|||
KernelVersion: 4.0
|
||||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the USB Rapid Charge state, which can be:
|
||||
|
||||
* 0 -> Disabled
|
||||
* 1 -> Enabled
|
||||
|
||||
Note that toggling this value requires a reboot for changes to
|
||||
take effect.
|
||||
Users: KToshiba
|
||||
|
|
@ -118,8 +131,10 @@ Date: January 23, 2015
|
|||
KernelVersion: 4.0
|
||||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the Sleep & Music state, which values can be:
|
||||
|
||||
* 0 -> Disabled
|
||||
* 1 -> Enabled
|
||||
|
||||
Note that this feature only works when connected to power, if
|
||||
you want to use it under battery, see the entry named
|
||||
"sleep_functions_on_battery"
|
||||
|
|
@ -138,6 +153,7 @@ KernelVersion: 4.0
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the state of the internal fan, valid
|
||||
values are:
|
||||
|
||||
* 0 -> OFF
|
||||
* 1 -> ON
|
||||
|
||||
|
|
@ -147,8 +163,10 @@ KernelVersion: 4.0
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the Special Functions (hotkeys) operation
|
||||
mode, valid values are:
|
||||
|
||||
* 0 -> Normal Operation
|
||||
* 1 -> Special Functions
|
||||
|
||||
In the "Normal Operation" mode, the F{1-12} keys are as usual
|
||||
and the hotkeys are accessed via FN-F{1-12}.
|
||||
In the "Special Functions" mode, the F{1-12} keys trigger the
|
||||
|
|
@ -163,8 +181,10 @@ KernelVersion: 4.0
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls whether the laptop should turn ON whenever
|
||||
the LID is opened, valid values are:
|
||||
|
||||
* 0 -> Disabled
|
||||
* 1 -> Enabled
|
||||
|
||||
Note that toggling this value requires a reboot for changes to
|
||||
take effect.
|
||||
Users: KToshiba
|
||||
|
|
@ -174,8 +194,10 @@ Date: February 12, 2015
|
|||
KernelVersion: 4.0
|
||||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the USB 3 functionality, valid values are:
|
||||
|
||||
* 0 -> Disabled (Acts as a regular USB 2)
|
||||
* 1 -> Enabled (Full USB 3 functionality)
|
||||
|
||||
Note that toggling this value requires a reboot for changes to
|
||||
take effect.
|
||||
Users: KToshiba
|
||||
|
|
@ -188,10 +210,14 @@ Description: This file controls the Cooling Method feature.
|
|||
Reading this file prints two values, the first is the actual cooling method
|
||||
and the second is the maximum cooling method supported.
|
||||
When the maximum cooling method is ONE, valid values are:
|
||||
|
||||
* 0 -> Maximum Performance
|
||||
* 1 -> Battery Optimized
|
||||
|
||||
When the maximum cooling method is TWO, valid values are:
|
||||
|
||||
* 0 -> Maximum Performance
|
||||
* 1 -> Performance
|
||||
* 2 -> Battery Optimized
|
||||
|
||||
Users: KToshiba
|
||||
|
|
|
|||
|
|
@ -4,10 +4,12 @@ KernelVersion: 3.17
|
|||
Contact: Azael Avalos <coproscefalo@gmail.com>
|
||||
Description: This file controls the built-in accelerometer protection level,
|
||||
valid values are:
|
||||
|
||||
* 0 -> Disabled
|
||||
* 1 -> Low
|
||||
* 2 -> Medium
|
||||
* 3 -> High
|
||||
|
||||
The default potection value is set to 2 (Medium).
|
||||
Users: KToshiba
|
||||
|
||||
|
|
|
|||
|
|
@ -79,7 +79,9 @@ Description:
|
|||
When the Wacom Intuos 4 is connected over Bluetooth, the
|
||||
image has to contain 256 bytes (64x32 px 1 bit colour).
|
||||
The format is also scrambled, like in the USB mode, and it can
|
||||
be summarized by converting 76543210 into GECA6420.
|
||||
be summarized by converting::
|
||||
|
||||
76543210 into GECA6420.
|
||||
HGFEDCBA HFDB7531
|
||||
|
||||
What: /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_remote/unpair_remote
|
||||
|
|
|
|||
|
|
@ -12,11 +12,14 @@ Description:
|
|||
image: The image bitmap. Currently a 32-bit BMP.
|
||||
status: 1 if the image is valid, 0 if firmware invalidated it.
|
||||
type: 0 indicates image is in BMP format.
|
||||
|
||||
======== ===================================================
|
||||
version: The version of the BGRT. Currently 1.
|
||||
xoffset: The number of pixels between the left of the screen
|
||||
and the left edge of the image.
|
||||
yoffset: The number of pixels between the top of the screen
|
||||
and the top edge of the image.
|
||||
======== ===================================================
|
||||
|
||||
What: /sys/firmware/acpi/hotplug/
|
||||
Date: February 2013
|
||||
|
|
@ -33,12 +36,14 @@ Description:
|
|||
The following setting is available to user space for each
|
||||
hotplug profile:
|
||||
|
||||
======== =======================================================
|
||||
enabled: If set, the ACPI core will handle notifications of
|
||||
hotplug events associated with the given class of
|
||||
devices and will allow those devices to be ejected with
|
||||
the help of the _EJ0 control method. Unsetting it
|
||||
effectively disables hotplug for the correspoinding
|
||||
class of devices.
|
||||
hotplug events associated with the given class of
|
||||
devices and will allow those devices to be ejected with
|
||||
the help of the _EJ0 control method. Unsetting it
|
||||
effectively disables hotplug for the correspoinding
|
||||
class of devices.
|
||||
======== =======================================================
|
||||
|
||||
The value of the above attribute is an integer number: 1 (set)
|
||||
or 0 (unset). Attempts to write any other values to it will
|
||||
|
|
@ -71,86 +76,90 @@ Description:
|
|||
To figure out where all the SCI's are coming from,
|
||||
/sys/firmware/acpi/interrupts contains a file listing
|
||||
every possible source, and the count of how many
|
||||
times it has triggered.
|
||||
times it has triggered::
|
||||
|
||||
$ cd /sys/firmware/acpi/interrupts
|
||||
$ grep . *
|
||||
error: 0
|
||||
ff_gbl_lock: 0 enable
|
||||
ff_pmtimer: 0 invalid
|
||||
ff_pwr_btn: 0 enable
|
||||
ff_rt_clk: 2 disable
|
||||
ff_slp_btn: 0 invalid
|
||||
gpe00: 0 invalid
|
||||
gpe01: 0 enable
|
||||
gpe02: 108 enable
|
||||
gpe03: 0 invalid
|
||||
gpe04: 0 invalid
|
||||
gpe05: 0 invalid
|
||||
gpe06: 0 enable
|
||||
gpe07: 0 enable
|
||||
gpe08: 0 invalid
|
||||
gpe09: 0 invalid
|
||||
gpe0A: 0 invalid
|
||||
gpe0B: 0 invalid
|
||||
gpe0C: 0 invalid
|
||||
gpe0D: 0 invalid
|
||||
gpe0E: 0 invalid
|
||||
gpe0F: 0 invalid
|
||||
gpe10: 0 invalid
|
||||
gpe11: 0 invalid
|
||||
gpe12: 0 invalid
|
||||
gpe13: 0 invalid
|
||||
gpe14: 0 invalid
|
||||
gpe15: 0 invalid
|
||||
gpe16: 0 invalid
|
||||
gpe17: 1084 enable
|
||||
gpe18: 0 enable
|
||||
gpe19: 0 invalid
|
||||
gpe1A: 0 invalid
|
||||
gpe1B: 0 invalid
|
||||
gpe1C: 0 invalid
|
||||
gpe1D: 0 invalid
|
||||
gpe1E: 0 invalid
|
||||
gpe1F: 0 invalid
|
||||
gpe_all: 1192
|
||||
sci: 1194
|
||||
sci_not: 0
|
||||
$ cd /sys/firmware/acpi/interrupts
|
||||
$ grep . *
|
||||
error: 0
|
||||
ff_gbl_lock: 0 enable
|
||||
ff_pmtimer: 0 invalid
|
||||
ff_pwr_btn: 0 enable
|
||||
ff_rt_clk: 2 disable
|
||||
ff_slp_btn: 0 invalid
|
||||
gpe00: 0 invalid
|
||||
gpe01: 0 enable
|
||||
gpe02: 108 enable
|
||||
gpe03: 0 invalid
|
||||
gpe04: 0 invalid
|
||||
gpe05: 0 invalid
|
||||
gpe06: 0 enable
|
||||
gpe07: 0 enable
|
||||
gpe08: 0 invalid
|
||||
gpe09: 0 invalid
|
||||
gpe0A: 0 invalid
|
||||
gpe0B: 0 invalid
|
||||
gpe0C: 0 invalid
|
||||
gpe0D: 0 invalid
|
||||
gpe0E: 0 invalid
|
||||
gpe0F: 0 invalid
|
||||
gpe10: 0 invalid
|
||||
gpe11: 0 invalid
|
||||
gpe12: 0 invalid
|
||||
gpe13: 0 invalid
|
||||
gpe14: 0 invalid
|
||||
gpe15: 0 invalid
|
||||
gpe16: 0 invalid
|
||||
gpe17: 1084 enable
|
||||
gpe18: 0 enable
|
||||
gpe19: 0 invalid
|
||||
gpe1A: 0 invalid
|
||||
gpe1B: 0 invalid
|
||||
gpe1C: 0 invalid
|
||||
gpe1D: 0 invalid
|
||||
gpe1E: 0 invalid
|
||||
gpe1F: 0 invalid
|
||||
gpe_all: 1192
|
||||
sci: 1194
|
||||
sci_not: 0
|
||||
|
||||
sci - The number of times the ACPI SCI
|
||||
has been called and claimed an interrupt.
|
||||
=========== ==================================================
|
||||
sci The number of times the ACPI SCI
|
||||
has been called and claimed an interrupt.
|
||||
|
||||
sci_not - The number of times the ACPI SCI
|
||||
has been called and NOT claimed an interrupt.
|
||||
sci_not The number of times the ACPI SCI
|
||||
has been called and NOT claimed an interrupt.
|
||||
|
||||
gpe_all - count of SCI caused by GPEs.
|
||||
gpe_all count of SCI caused by GPEs.
|
||||
|
||||
gpeXX - count for individual GPE source
|
||||
gpeXX count for individual GPE source
|
||||
|
||||
ff_gbl_lock - Global Lock
|
||||
ff_gbl_lock Global Lock
|
||||
|
||||
ff_pmtimer - PM Timer
|
||||
ff_pmtimer PM Timer
|
||||
|
||||
ff_pwr_btn - Power Button
|
||||
ff_pwr_btn Power Button
|
||||
|
||||
ff_rt_clk - Real Time Clock
|
||||
ff_rt_clk Real Time Clock
|
||||
|
||||
ff_slp_btn - Sleep Button
|
||||
ff_slp_btn Sleep Button
|
||||
|
||||
error - an interrupt that can't be accounted for above.
|
||||
error an interrupt that can't be accounted for above.
|
||||
|
||||
invalid: it's either a GPE or a Fixed Event that
|
||||
doesn't have an event handler.
|
||||
invalid it's either a GPE or a Fixed Event that
|
||||
doesn't have an event handler.
|
||||
|
||||
disable: the GPE/Fixed Event is valid but disabled.
|
||||
disable the GPE/Fixed Event is valid but disabled.
|
||||
|
||||
enable: the GPE/Fixed Event is valid and enabled.
|
||||
enable the GPE/Fixed Event is valid and enabled.
|
||||
=========== ==================================================
|
||||
|
||||
Root has permission to clear any of these counters. Eg.
|
||||
# echo 0 > gpe11
|
||||
Root has permission to clear any of these counters. Eg.::
|
||||
|
||||
All counters can be cleared by clearing the total "sci":
|
||||
# echo 0 > sci
|
||||
# echo 0 > gpe11
|
||||
|
||||
All counters can be cleared by clearing the total "sci"::
|
||||
|
||||
# echo 0 > sci
|
||||
|
||||
None of these counters has an effect on the function
|
||||
of the system, they are simply statistics.
|
||||
|
|
@ -165,32 +174,34 @@ Description:
|
|||
|
||||
Let's take power button fixed event for example, please kill acpid
|
||||
and other user space applications so that the machine won't shutdown
|
||||
when pressing the power button.
|
||||
# cat ff_pwr_btn
|
||||
0 enabled
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
3 enabled
|
||||
# echo disable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
3 disabled
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
3 disabled
|
||||
# echo enable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
4 enabled
|
||||
/*
|
||||
* this is because the status bit is set even if the enable bit is cleared,
|
||||
* and it triggers an ACPI fixed event when the enable bit is set again
|
||||
*/
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
7 enabled
|
||||
# echo disable > ff_pwr_btn
|
||||
# press the power button for 3 times;
|
||||
# echo clear > ff_pwr_btn /* clear the status bit */
|
||||
# echo disable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
7 enabled
|
||||
when pressing the power button::
|
||||
|
||||
# cat ff_pwr_btn
|
||||
0 enabled
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
3 enabled
|
||||
# echo disable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
3 disabled
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
3 disabled
|
||||
# echo enable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
4 enabled
|
||||
/*
|
||||
* this is because the status bit is set even if the enable
|
||||
* bit is cleared, and it triggers an ACPI fixed event when
|
||||
* the enable bit is set again
|
||||
*/
|
||||
# press the power button for 3 times;
|
||||
# cat ff_pwr_btn
|
||||
7 enabled
|
||||
# echo disable > ff_pwr_btn
|
||||
# press the power button for 3 times;
|
||||
# echo clear > ff_pwr_btn /* clear the status bit */
|
||||
# echo disable > ff_pwr_btn
|
||||
# cat ff_pwr_btn
|
||||
7 enabled
|
||||
|
||||
|
|
|
|||
|
|
@ -33,7 +33,7 @@ Description:
|
|||
doesn't matter), they will be represented in sysfs as
|
||||
entries "T-0" through "T-(N-1)":
|
||||
|
||||
Example entry directories:
|
||||
Example entry directories::
|
||||
|
||||
/sys/firmware/dmi/entries/17-0
|
||||
/sys/firmware/dmi/entries/17-1
|
||||
|
|
@ -50,61 +50,65 @@ Description:
|
|||
Each DMI entry in sysfs has the common header values
|
||||
exported as attributes:
|
||||
|
||||
handle : The 16bit 'handle' that is assigned to this
|
||||
======== =================================================
|
||||
handle The 16bit 'handle' that is assigned to this
|
||||
entry by the firmware. This handle may be
|
||||
referred to by other entries.
|
||||
length : The length of the entry, as presented in the
|
||||
length The length of the entry, as presented in the
|
||||
entry itself. Note that this is _not the
|
||||
total count of bytes associated with the
|
||||
entry_. This value represents the length of
|
||||
entry. This value represents the length of
|
||||
the "formatted" portion of the entry. This
|
||||
"formatted" region is sometimes followed by
|
||||
the "unformatted" region composed of nul
|
||||
terminated strings, with termination signalled
|
||||
by a two nul characters in series.
|
||||
raw : The raw bytes of the entry. This includes the
|
||||
raw The raw bytes of the entry. This includes the
|
||||
"formatted" portion of the entry, the
|
||||
"unformatted" strings portion of the entry,
|
||||
and the two terminating nul characters.
|
||||
type : The type of the entry. This value is the same
|
||||
type The type of the entry. This value is the same
|
||||
as found in the directory name. It indicates
|
||||
how the rest of the entry should be interpreted.
|
||||
instance: The instance ordinal of the entry for the
|
||||
instance The instance ordinal of the entry for the
|
||||
given type. This value is the same as found
|
||||
in the parent directory name.
|
||||
position: The ordinal position (zero-based) of the entry
|
||||
position The ordinal position (zero-based) of the entry
|
||||
within the entirety of the DMI entry table.
|
||||
======== =================================================
|
||||
|
||||
=== Entry Specialization ===
|
||||
**Entry Specialization**
|
||||
|
||||
Some entry types may have other information available in
|
||||
sysfs. Not all types are specialized.
|
||||
|
||||
--- Type 15 - System Event Log ---
|
||||
**Type 15 - System Event Log**
|
||||
|
||||
This entry allows the firmware to export a log of
|
||||
events the system has taken. This information is
|
||||
typically backed by nvram, but the implementation
|
||||
details are abstracted by this table. This entry's data
|
||||
is exported in the directory:
|
||||
is exported in the directory::
|
||||
|
||||
/sys/firmware/dmi/entries/15-0/system_event_log
|
||||
/sys/firmware/dmi/entries/15-0/system_event_log
|
||||
|
||||
and has the following attributes (documented in the
|
||||
SMBIOS / DMI specification under "System Event Log (Type 15)":
|
||||
|
||||
area_length
|
||||
header_start_offset
|
||||
data_start_offset
|
||||
access_method
|
||||
status
|
||||
change_token
|
||||
access_method_address
|
||||
header_format
|
||||
per_log_type_descriptor_length
|
||||
type_descriptors_supported_count
|
||||
- area_length
|
||||
- header_start_offset
|
||||
- data_start_offset
|
||||
- access_method
|
||||
- status
|
||||
- change_token
|
||||
- access_method_address
|
||||
- header_format
|
||||
- per_log_type_descriptor_length
|
||||
- type_descriptors_supported_count
|
||||
|
||||
As well, the kernel exports the binary attribute:
|
||||
|
||||
raw_event_log : The raw binary bits of the event log
|
||||
============= ====================================
|
||||
raw_event_log The raw binary bits of the event log
|
||||
as described by the DMI entry.
|
||||
============= ====================================
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@ Description:
|
|||
|
||||
This directory has the same layout (and
|
||||
underlying implementation as /sys/firmware/efi/vars.
|
||||
See Documentation/ABI/*/sysfs-firmware-efi-vars
|
||||
See `Documentation/ABI/*/sysfs-firmware-efi-vars`
|
||||
for more information on how to interact with
|
||||
this structure.
|
||||
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@ Description:
|
|||
the raw memory map to userspace.
|
||||
|
||||
The structure is as follows: Under /sys/firmware/memmap there
|
||||
are subdirectories with the number of the entry as their name:
|
||||
are subdirectories with the number of the entry as their name::
|
||||
|
||||
/sys/firmware/memmap/0
|
||||
/sys/firmware/memmap/1
|
||||
|
|
@ -34,14 +34,16 @@ Description:
|
|||
|
||||
Each directory contains three files:
|
||||
|
||||
start : The start address (as hexadecimal number with the
|
||||
======== =====================================================
|
||||
start The start address (as hexadecimal number with the
|
||||
'0x' prefix).
|
||||
end : The end address, inclusive (regardless whether the
|
||||
end The end address, inclusive (regardless whether the
|
||||
firmware provides inclusive or exclusive ranges).
|
||||
type : Type of the entry as string. See below for a list of
|
||||
type Type of the entry as string. See below for a list of
|
||||
valid types.
|
||||
======== =====================================================
|
||||
|
||||
So, for example:
|
||||
So, for example::
|
||||
|
||||
/sys/firmware/memmap/0/start
|
||||
/sys/firmware/memmap/0/end
|
||||
|
|
@ -57,9 +59,8 @@ Description:
|
|||
- reserved
|
||||
|
||||
Following shell snippet can be used to display that memory
|
||||
map in a human-readable format:
|
||||
map in a human-readable format::
|
||||
|
||||
-------------------- 8< ----------------------------------------
|
||||
#!/bin/bash
|
||||
cd /sys/firmware/memmap
|
||||
for dir in * ; do
|
||||
|
|
@ -68,4 +69,3 @@ Description:
|
|||
type=$(cat $dir/type)
|
||||
printf "%016x-%016x (%s)\n" $start $[ $end +1] "$type"
|
||||
done
|
||||
-------------------- >8 ----------------------------------------
|
||||
|
|
|
|||
|
|
@ -45,8 +45,8 @@ Description:
|
|||
parameter will have their blocks allocated out of a
|
||||
block group specific preallocation pool, so that small
|
||||
files are packed closely together. Each large file
|
||||
will have its blocks allocated out of its own unique
|
||||
preallocation pool.
|
||||
will have its blocks allocated out of its own unique
|
||||
preallocation pool.
|
||||
|
||||
What: /sys/fs/ext4/<disk>/inode_readahead_blks
|
||||
Date: March 2008
|
||||
|
|
|
|||
|
|
@ -15,14 +15,17 @@ KernelVersion: 4.3
|
|||
Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com>
|
||||
Description: If running under Xen:
|
||||
Describes mode that Xen's performance-monitoring unit (PMU)
|
||||
uses. Accepted values are
|
||||
"off" -- PMU is disabled
|
||||
"self" -- The guest can profile itself
|
||||
"hv" -- The guest can profile itself and, if it is
|
||||
uses. Accepted values are:
|
||||
|
||||
====== ============================================
|
||||
"off" PMU is disabled
|
||||
"self" The guest can profile itself
|
||||
"hv" The guest can profile itself and, if it is
|
||||
privileged (e.g. dom0), the hypervisor
|
||||
"all" -- The guest can profile itself, the hypervisor
|
||||
"all" The guest can profile itself, the hypervisor
|
||||
and all other guests. Only available to
|
||||
privileged guests.
|
||||
====== ============================================
|
||||
|
||||
What: /sys/hypervisor/pmu/pmu_features
|
||||
Date: August 2015
|
||||
|
|
|
|||
|
|
@ -23,16 +23,17 @@ Description: The /sys/kernel/boot_params directory contains two
|
|||
representation of setup_data type. "data" file is the binary
|
||||
representation of setup_data payload.
|
||||
|
||||
The whole boot_params directory structure is like below:
|
||||
/sys/kernel/boot_params
|
||||
|__ data
|
||||
|__ setup_data
|
||||
| |__ 0
|
||||
| | |__ data
|
||||
| | |__ type
|
||||
| |__ 1
|
||||
| |__ data
|
||||
| |__ type
|
||||
|__ version
|
||||
The whole boot_params directory structure is like below::
|
||||
|
||||
/sys/kernel/boot_params
|
||||
|__ data
|
||||
|__ setup_data
|
||||
| |__ 0
|
||||
| | |__ data
|
||||
| | |__ type
|
||||
| |__ 1
|
||||
| |__ data
|
||||
| |__ type
|
||||
|__ version
|
||||
|
||||
Users: Kexec
|
||||
|
|
|
|||
|
|
@ -7,9 +7,11 @@ Description:
|
|||
of the hugepages supported by the kernel/CPU combination.
|
||||
|
||||
Under these directories are a number of files:
|
||||
nr_hugepages
|
||||
nr_overcommit_hugepages
|
||||
free_hugepages
|
||||
surplus_hugepages
|
||||
resv_hugepages
|
||||
|
||||
- nr_hugepages
|
||||
- nr_overcommit_hugepages
|
||||
- free_hugepages
|
||||
- surplus_hugepages
|
||||
- resv_hugepages
|
||||
|
||||
See Documentation/admin-guide/mm/hugetlbpage.rst for details.
|
||||
|
|
|
|||
|
|
@ -4,13 +4,16 @@ KernelVersion: 2.6.20
|
|||
Contact: "Corentin Chary" <corentincj@iksaif.net>
|
||||
Description:
|
||||
This file allows display switching. The value
|
||||
is composed by 4 bits and defined as follow:
|
||||
4321
|
||||
|||`- LCD
|
||||
||`-- CRT
|
||||
|`--- TV
|
||||
`---- DVI
|
||||
Ex: - 0 (0000b) means no display
|
||||
is composed by 4 bits and defined as follow::
|
||||
|
||||
4321
|
||||
|||`- LCD
|
||||
||`-- CRT
|
||||
|`--- TV
|
||||
`---- DVI
|
||||
|
||||
Ex:
|
||||
- 0 (0000b) means no display
|
||||
- 3 (0011b) CRT+LCD.
|
||||
|
||||
What: /sys/devices/platform/asus_laptop/gps
|
||||
|
|
@ -28,8 +31,10 @@ Contact: "Corentin Chary" <corentincj@iksaif.net>
|
|||
Description:
|
||||
Some models like the W1N have a LED display that can be
|
||||
used to display several items of information.
|
||||
To control the LED display, use the following :
|
||||
To control the LED display, use the following::
|
||||
|
||||
echo 0x0T000DDD > /sys/devices/platform/asus_laptop/
|
||||
|
||||
where T control the 3 letters display, and DDD the 3 digits display.
|
||||
The DDD table can be found in Documentation/admin-guide/laptops/asus-laptop.rst
|
||||
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@ Contact: "Corentin Chary" <corentincj@iksaif.net>
|
|||
Description:
|
||||
Change CPU clock configuration (write-only).
|
||||
There are three available clock configuration:
|
||||
|
||||
* 0 -> Super Performance Mode
|
||||
* 1 -> High Performance Mode
|
||||
* 2 -> Power Saving Mode
|
||||
|
|
|
|||
|
|
@ -18,8 +18,10 @@ Description:
|
|||
In order to use an extended can_id add the
|
||||
CAN_EFF_FLAG (0x80000000U) to the can_id. Example:
|
||||
|
||||
- standard id 0x7ff:
|
||||
echo 0x7ff > /sys/class/net/can0/mb0_id
|
||||
- standard id 0x7ff::
|
||||
|
||||
- extended id 0x1fffffff:
|
||||
echo 0x9fffffff > /sys/class/net/can0/mb0_id
|
||||
echo 0x7ff > /sys/class/net/can0/mb0_id
|
||||
|
||||
- extended id 0x1fffffff::
|
||||
|
||||
echo 0x9fffffff > /sys/class/net/can0/mb0_id
|
||||
|
|
|
|||
|
|
@ -4,9 +4,11 @@ KernelVersion: 2.6.26
|
|||
Contact: "Corentin Chary" <corentincj@iksaif.net>
|
||||
Description:
|
||||
This file allows display switching.
|
||||
|
||||
- 1 = LCD
|
||||
- 2 = CRT
|
||||
- 3 = LCD+CRT
|
||||
|
||||
If you run X11, you should use xrandr instead.
|
||||
|
||||
What: /sys/devices/platform/eeepc/camera
|
||||
|
|
@ -30,16 +32,20 @@ Contact: "Corentin Chary" <corentincj@iksaif.net>
|
|||
Description:
|
||||
Change CPU clock configuration.
|
||||
On the Eee PC 1000H there are three available clock configuration:
|
||||
|
||||
* 0 -> Super Performance Mode
|
||||
* 1 -> High Performance Mode
|
||||
* 2 -> Power Saving Mode
|
||||
|
||||
On Eee PC 701 there is only 2 available clock configurations.
|
||||
Available configuration are listed in available_cpufv file.
|
||||
Reading this file will show the raw hexadecimal value which
|
||||
is defined as follow:
|
||||
| 8 bit | 8 bit |
|
||||
| `---- Current mode
|
||||
`------------ Availables modes
|
||||
is defined as follow::
|
||||
|
||||
| 8 bit | 8 bit |
|
||||
| `---- Current mode
|
||||
`------------ Availables modes
|
||||
|
||||
For example, 0x301 means: mode 1 selected, 3 available modes.
|
||||
|
||||
What: /sys/devices/platform/eeepc/available_cpufv
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@ Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
|
|||
Description:
|
||||
Change fan mode
|
||||
There are four available modes:
|
||||
|
||||
* 0 -> Super Silent Mode
|
||||
* 1 -> Standard Mode
|
||||
* 2 -> Dust Cleaning
|
||||
|
|
@ -32,9 +33,11 @@ KernelVersion: 4.18
|
|||
Contact: "Oleg Keri <ezhi99@gmail.com>"
|
||||
Description:
|
||||
Control fn-lock mode.
|
||||
|
||||
* 1 -> Switched On
|
||||
* 0 -> Switched Off
|
||||
|
||||
For example:
|
||||
# echo "0" > \
|
||||
/sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
|
||||
For example::
|
||||
|
||||
# echo "0" > \
|
||||
/sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
|
||||
|
|
|
|||
|
|
@ -7,5 +7,6 @@ Description:
|
|||
Thunderbolt controllers to turn on or off when no
|
||||
devices are connected (write-only)
|
||||
There are two available states:
|
||||
|
||||
* 0 -> Force power disabled
|
||||
* 1 -> Force power enabled
|
||||
|
|
|
|||
|
|
@ -5,13 +5,22 @@ Contact: "Sebastien Guiriec" <sebastien.guiriec@intel.com>
|
|||
Description:
|
||||
LPE Firmware version for SST driver on all atom
|
||||
plaforms (BYT/CHT/Merrifield/BSW).
|
||||
If the FW has never been loaded it will display:
|
||||
If the FW has never been loaded it will display::
|
||||
|
||||
"FW not yet loaded"
|
||||
If FW has been loaded it will display:
|
||||
|
||||
If FW has been loaded it will display::
|
||||
|
||||
"v01.aa.bb.cc"
|
||||
|
||||
aa: Major version is reflecting SoC version:
|
||||
|
||||
=== =============
|
||||
0d: BYT FW
|
||||
0b: BSW FW
|
||||
07: Merrifield FW
|
||||
=== =============
|
||||
|
||||
bb: Minor version
|
||||
|
||||
cc: Build version
|
||||
|
|
|
|||
|
|
@ -16,10 +16,13 @@ Contact: Krzysztof Opasiak <k.opasiak@samsung.com>
|
|||
Description:
|
||||
Current status of the device.
|
||||
Allowed values:
|
||||
1 - Device is available and can be exported
|
||||
2 - Device is currently exported
|
||||
3 - Fatal error occurred during communication
|
||||
with peer
|
||||
|
||||
== ==========================================
|
||||
1 Device is available and can be exported
|
||||
2 Device is currently exported
|
||||
3 Fatal error occurred during communication
|
||||
with peer
|
||||
== ==========================================
|
||||
|
||||
What: /sys/devices/platform/usbip-vudc.%d/usbip_sockfd
|
||||
Date: April 2016
|
||||
|
|
|
|||
|
|
@ -69,7 +69,7 @@ Description:
|
|||
pin offered by the PTP hardware clock. The file name
|
||||
is the hardware dependent pin name. Reading from this
|
||||
file produces two numbers, the assigned function (see
|
||||
the PTP_PF_ enumeration values in linux/ptp_clock.h)
|
||||
the `PTP_PF_` enumeration values in linux/ptp_clock.h)
|
||||
and the channel number. The function and channel
|
||||
assignment may be changed by two writing numbers into
|
||||
the file.
|
||||
|
|
|
|||
Loading…
Reference in a new issue