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e904cf6fe2
linux_dsm_epyc7002/Documentation/ioctl/ioctl-number.txt
Linus Torvalds 3af6e98f25 platform-drivers-x86 for 4.3-1 
Significant work on toshiba_acpi, including new hardware support,
 refactoring, and cleanups. Extend device support for asus, ideapad, and
 acer systems. New surface pro 3 buttons driver. Misc. minor cleanups for
 thinkpad and hp-wireless.
 
 acer-wmi:
  - No rfkill on HP Omen 15 wifi
 
 thinkpad_acpi
  - Remove side effects from vdbg_printk -> no_printk macro
 
 surface pro 3
  - Add support driver for Surface Pro 3 buttons
 
 hp-wireless
  - remove unneeded goto/label in hpwl_init
 
 ideapad-laptop
  - add alternative representation for Yoga 2 to DMI table
  - Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
 
 asus-laptop
  - Add key found on Asus F3M
 
 MAINTAINERS
  - Remove Toshiba Linux mailing list address
 
 toshiba_acpi:
  - Bump driver version to 0.23
  - Remove unnecessary checks and returns in HCI/SCI functions
  - Refactor *{get, set} functions return value
  - Remove "*not supported" feature prints
  - Change *available functions return type
  - Add set_fan_status function
  - Change some variables to avoid warnings from ninja-check
  - Reorder toshiba_acpi_alt_keymap entries
  - Remove unused wireless defines
  - Transflective backlight updates
  - Avoid registering input device on WMI event laptops
  - Add /dev/toshiba_acpi device
  - Adapt /proc/acpi/toshiba/keys to TOS1900 devices
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Merge tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Significant work on toshiba_acpi, including new hardware support,
  refactoring, and cleanups.  Extend device support for asus, ideapad,
  and acer systems.  New surface pro 3 buttons driver.  Misc minor
  cleanups for thinkpad and hp-wireless.

  acer-wmi:
   - No rfkill on HP Omen 15 wifi

  thinkpad_acpi:
   - Remove side effects from vdbg_printk -> no_printk macro

  surface pro 3:
   - Add support driver for Surface Pro 3 buttons

  hp-wireless:
   - remove unneeded goto/label in hpwl_init

  ideapad-laptop:
   - add alternative representation for Yoga 2 to DMI table
   - Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list

  asus-laptop:
   - Add key found on Asus F3M

  MAINTAINERS:
   - Remove Toshiba Linux mailing list address

  toshiba_acpi:
   - Bump driver version to 0.23
   - Remove unnecessary checks and returns in HCI/SCI functions
   - Refactor *{get, set} functions return value
   - Remove "*not supported" feature prints
   - Change *available functions return type
   - Add set_fan_status function
   - Change some variables to avoid warnings from ninja-check
   - Reorder toshiba_acpi_alt_keymap entries
   - Remove unused wireless defines
   - Transflective backlight updates
   - Avoid registering input device on WMI event laptops
   - Add /dev/toshiba_acpi device
   - Adapt /proc/acpi/toshiba/keys to TOS1900 devices"

* tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (21 commits)
  acer-wmi: No rfkill on HP Omen 15 wifi
  thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro
  surface pro 3: Add support driver for Surface Pro 3 buttons
  hp-wireless: remove unneeded goto/label in hpwl_init
  ideapad-laptop: add alternative representation for Yoga 2 to DMI table
  asus-laptop: Add key found on Asus F3M
  MAINTAINERS: Remove Toshiba Linux mailing list address
  ideapad-laptop: Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
  toshiba_acpi: Bump driver version to 0.23
  toshiba_acpi: Remove unnecessary checks and returns in HCI/SCI functions
  toshiba_acpi: Refactor *{get, set} functions return value
  toshiba_acpi: Remove "*not supported" feature prints
  toshiba_acpi: Change *available functions return type
  toshiba_acpi: Add set_fan_status function
  toshiba_acpi: Change some variables to avoid warnings from ninja-check
  toshiba_acpi: Reorder toshiba_acpi_alt_keymap entries
  toshiba_acpi: Remove unused wireless defines
  toshiba_acpi: Transflective backlight updates
  toshiba_acpi: Avoid registering input device on WMI event laptops
  toshiba_acpi: Add /dev/toshiba_acpi device
  ...
2015-09-08 16:26:18 -07:00

337 lines
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Plaintext
Raw Blame History

Ioctl Numbers
19 October 1999
Michael Elizabeth Chastain
<mec@shout.net>
If you are adding new ioctl's to the kernel, you should use the _IO
macros defined in <linux/ioctl.h>:
_IO an ioctl with no parameters
_IOW an ioctl with write parameters (copy_from_user)
_IOR an ioctl with read parameters (copy_to_user)
_IOWR an ioctl with both write and read parameters.
'Write' and 'read' are from the user's point of view, just like the
system calls 'write' and 'read'. For example, a SET_FOO ioctl would
be _IOW, although the kernel would actually read data from user space;
a GET_FOO ioctl would be _IOR, although the kernel would actually write
data to user space.
The first argument to _IO, _IOW, _IOR, or _IOWR is an identifying letter
or number from the table below. Because of the large number of drivers,
many drivers share a partial letter with other drivers.
If you are writing a driver for a new device and need a letter, pick an
unused block with enough room for expansion: 32 to 256 ioctl commands.
You can register the block by patching this file and submitting the
patch to Linus Torvalds. Or you can e-mail me at <mec@shout.net> and
I'll register one for you.
The second argument to _IO, _IOW, _IOR, or _IOWR is a sequence number
to distinguish ioctls from each other. The third argument to _IOW,
_IOR, or _IOWR is the type of the data going into the kernel or coming
out of the kernel (e.g. 'int' or 'struct foo'). NOTE! Do NOT use
sizeof(arg) as the third argument as this results in your ioctl thinking
it passes an argument of type size_t.
Some devices use their major number as the identifier; this is OK, as
long as it is unique. Some devices are irregular and don't follow any
convention at all.
Following this convention is good because:
(1) Keeping the ioctl's globally unique helps error checking:
if a program calls an ioctl on the wrong device, it will get an
error rather than some unexpected behaviour.
(2) The 'strace' build procedure automatically finds ioctl numbers
defined with _IO, _IOW, _IOR, or _IOWR.
(3) 'strace' can decode numbers back into useful names when the
numbers are unique.
(4) People looking for ioctls can grep for them more easily when
this convention is used to define the ioctl numbers.
(5) When following the convention, the driver code can use generic
code to copy the parameters between user and kernel space.
This table lists ioctls visible from user land for Linux/x86. It contains
most drivers up to 2.6.31, but I know I am missing some. There has been
no attempt to list non-X86 architectures or ioctls from drivers/staging/.
Code Seq#(hex) Include File Comments
========================================================
0x00 00-1F linux/fs.h conflict!
0x00 00-1F scsi/scsi_ioctl.h conflict!
0x00 00-1F linux/fb.h conflict!
0x00 00-1F linux/wavefront.h conflict!
0x02 all linux/fd.h
0x03 all linux/hdreg.h
0x04 D2-DC linux/umsdos_fs.h Dead since 2.6.11, but don't reuse these.
0x06 all linux/lp.h
0x09 all linux/raid/md_u.h
0x10 00-0F drivers/char/s390/vmcp.h
0x10 10-1F arch/s390/include/uapi/sclp_ctl.h
0x10 20-2F arch/s390/include/uapi/asm/hypfs.h
0x12 all linux/fs.h
linux/blkpg.h
0x1b all InfiniBand Subsystem <http://infiniband.sourceforge.net/>
0x20 all drivers/cdrom/cm206.h
0x22 all scsi/sg.h
'#' 00-3F IEEE 1394 Subsystem Block for the entire subsystem
'$' 00-0F linux/perf_counter.h, linux/perf_event.h
'&' 00-07 drivers/firewire/nosy-user.h
'1' 00-1F <linux/timepps.h> PPS kit from Ulrich Windl
<ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
'2' 01-04 linux/i2o.h
'3' 00-0F drivers/s390/char/raw3270.h conflict!
'3' 00-1F linux/suspend_ioctls.h conflict!
and kernel/power/user.c
'8' all SNP8023 advanced NIC card
<mailto:mcr@solidum.com>
';' 64-7F linux/vfio.h
'@' 00-0F linux/radeonfb.h conflict!
'@' 00-0F drivers/video/aty/aty128fb.c conflict!
'A' 00-1F linux/apm_bios.h conflict!
'A' 00-0F linux/agpgart.h conflict!
and drivers/char/agp/compat_ioctl.h
'A' 00-7F sound/asound.h conflict!
'B' 00-1F linux/cciss_ioctl.h conflict!
'B' 00-0F include/linux/pmu.h conflict!
'B' C0-FF advanced bbus
<mailto:maassen@uni-freiburg.de>
'C' all linux/soundcard.h conflict!
'C' 01-2F linux/capi.h conflict!
'C' F0-FF drivers/net/wan/cosa.h conflict!
'D' all arch/s390/include/asm/dasd.h
'D' 40-5F drivers/scsi/dpt/dtpi_ioctl.h
'D' 05 drivers/scsi/pmcraid.h
'E' all linux/input.h conflict!
'E' 00-0F xen/evtchn.h conflict!
'F' all linux/fb.h conflict!
'F' 01-02 drivers/scsi/pmcraid.h conflict!
'F' 20 drivers/video/fsl-diu-fb.h conflict!
'F' 20 drivers/video/intelfb/intelfb.h conflict!
'F' 20 linux/ivtvfb.h conflict!
'F' 20 linux/matroxfb.h conflict!
'F' 20 drivers/video/aty/atyfb_base.c conflict!
'F' 00-0F video/da8xx-fb.h conflict!
'F' 80-8F linux/arcfb.h conflict!
'F' DD video/sstfb.h conflict!
'G' 00-3F drivers/misc/sgi-gru/grulib.h conflict!
'G' 00-0F linux/gigaset_dev.h conflict!
'H' 00-7F linux/hiddev.h conflict!
'H' 00-0F linux/hidraw.h conflict!
'H' 01 linux/mei.h conflict!
'H' 02 linux/mei.h conflict!
'H' 03 linux/mei.h conflict!
'H' 00-0F sound/asound.h conflict!
'H' 20-40 sound/asound_fm.h conflict!
'H' 80-8F sound/sfnt_info.h conflict!
'H' 10-8F sound/emu10k1.h conflict!
'H' 10-1F sound/sb16_csp.h conflict!
'H' 10-1F sound/hda_hwdep.h conflict!
'H' 40-4F sound/hdspm.h conflict!
'H' 40-4F sound/hdsp.h conflict!
'H' 90 sound/usb/usx2y/usb_stream.h
'H' A0 uapi/linux/usb/cdc-wdm.h
'H' C0-F0 net/bluetooth/hci.h conflict!
'H' C0-DF net/bluetooth/hidp/hidp.h conflict!
'H' C0-DF net/bluetooth/cmtp/cmtp.h conflict!
'H' C0-DF net/bluetooth/bnep/bnep.h conflict!
'H' F1 linux/hid-roccat.h <mailto:erazor_de@users.sourceforge.net>
'H' F8-FA sound/firewire.h
'I' all linux/isdn.h conflict!
'I' 00-0F drivers/isdn/divert/isdn_divert.h conflict!
'I' 40-4F linux/mISDNif.h conflict!
'J' 00-1F drivers/scsi/gdth_ioctl.h
'K' all linux/kd.h
'L' 00-1F linux/loop.h conflict!
'L' 10-1F drivers/scsi/mpt2sas/mpt2sas_ctl.h conflict!
'L' E0-FF linux/ppdd.h encrypted disk device driver
<http://linux01.gwdg.de/~alatham/ppdd.html>
'M' all linux/soundcard.h conflict!
'M' 01-16 mtd/mtd-abi.h conflict!
and drivers/mtd/mtdchar.c
'M' 01-03 drivers/scsi/megaraid/megaraid_sas.h
'M' 00-0F drivers/video/fsl-diu-fb.h conflict!
'N' 00-1F drivers/usb/scanner.h
'N' 40-7F drivers/block/nvme.c
'O' 00-06 mtd/ubi-user.h UBI
'P' all linux/soundcard.h conflict!
'P' 60-6F sound/sscape_ioctl.h conflict!
'P' 00-0F drivers/usb/class/usblp.c conflict!
'Q' all linux/soundcard.h
'R' 00-1F linux/random.h conflict!
'R' 01 linux/rfkill.h conflict!
'R' C0-DF net/bluetooth/rfcomm.h
'S' all linux/cdrom.h conflict!
'S' 80-81 scsi/scsi_ioctl.h conflict!
'S' 82-FF scsi/scsi.h conflict!
'S' 00-7F sound/asequencer.h conflict!
'T' all linux/soundcard.h conflict!
'T' 00-AF sound/asound.h conflict!
'T' all arch/x86/include/asm/ioctls.h conflict!
'T' C0-DF linux/if_tun.h conflict!
'U' all sound/asound.h conflict!
'U' 00-CF linux/uinput.h conflict!
'U' 00-EF linux/usbdevice_fs.h
'U' C0-CF drivers/bluetooth/hci_uart.h
'V' all linux/vt.h conflict!
'V' all linux/videodev2.h conflict!
'V' C0 linux/ivtvfb.h conflict!
'V' C0 linux/ivtv.h conflict!
'V' C0 media/davinci/vpfe_capture.h conflict!
'V' C0 media/si4713.h conflict!
'W' 00-1F linux/watchdog.h conflict!
'W' 00-1F linux/wanrouter.h conflict! (pre 3.9)
'W' 00-3F sound/asound.h conflict!
'X' all fs/xfs/xfs_fs.h conflict!
and fs/xfs/linux-2.6/xfs_ioctl32.h
and include/linux/falloc.h
and linux/fs.h
'X' all fs/ocfs2/ocfs_fs.h conflict!
'X' 01 linux/pktcdvd.h conflict!
'Y' all linux/cyclades.h
'Z' 14-15 drivers/message/fusion/mptctl.h
'[' 00-07 linux/usb/tmc.h USB Test and Measurement Devices
<mailto:gregkh@linuxfoundation.org>
'a' all linux/atm*.h, linux/sonet.h ATM on linux
<http://lrcwww.epfl.ch/>
'a' 00-0F drivers/crypto/qat/qat_common/adf_cfg_common.h conflict! qat driver
'b' 00-FF conflict! bit3 vme host bridge
<mailto:natalia@nikhefk.nikhef.nl>
'c' all linux/cm4000_cs.h conflict!
'c' 00-7F linux/comstats.h conflict!
'c' 00-7F linux/coda.h conflict!
'c' 00-1F linux/chio.h conflict!
'c' 80-9F arch/s390/include/asm/chsc.h conflict!
'c' A0-AF arch/x86/include/asm/msr.h conflict!
'd' 00-FF linux/char/drm/drm/h conflict!
'd' 02-40 pcmcia/ds.h conflict!
'd' F0-FF linux/digi1.h
'e' all linux/digi1.h conflict!
'e' 00-1F drivers/net/irda/irtty-sir.h conflict!
'f' 00-1F linux/ext2_fs.h conflict!
'f' 00-1F linux/ext3_fs.h conflict!
'f' 00-0F fs/jfs/jfs_dinode.h conflict!
'f' 00-0F fs/ext4/ext4.h conflict!
'f' 00-0F linux/fs.h conflict!
'f' 00-0F fs/ocfs2/ocfs2_fs.h conflict!
'g' 00-0F linux/usb/gadgetfs.h
'g' 20-2F linux/usb/g_printer.h
'h' 00-7F conflict! Charon filesystem
<mailto:zapman@interlan.net>
'h' 00-1F linux/hpet.h conflict!
'h' 80-8F fs/hfsplus/ioctl.c
'i' 00-3F linux/i2o-dev.h conflict!
'i' 0B-1F linux/ipmi.h conflict!
'i' 80-8F linux/i8k.h
'j' 00-3F linux/joystick.h
'k' 00-0F linux/spi/spidev.h conflict!
'k' 00-05 video/kyro.h conflict!
'k' 10-17 linux/hsi/hsi_char.h HSI character device
'l' 00-3F linux/tcfs_fs.h transparent cryptographic file system
<http://web.archive.org/web/*/http://mikonos.dia.unisa.it/tcfs>
'l' 40-7F linux/udf_fs_i.h in development:
<http://sourceforge.net/projects/linux-udf/>
'm' 00-09 linux/mmtimer.h conflict!
'm' all linux/mtio.h conflict!
'm' all linux/soundcard.h conflict!
'm' all linux/synclink.h conflict!
'm' 00-19 drivers/message/fusion/mptctl.h conflict!
'm' 00 drivers/scsi/megaraid/megaraid_ioctl.h conflict!
'm' 00-1F net/irda/irmod.h conflict!
'n' 00-7F linux/ncp_fs.h and fs/ncpfs/ioctl.c
'n' 80-8F linux/nilfs2_fs.h NILFS2
'n' E0-FF linux/matroxfb.h matroxfb
'o' 00-1F fs/ocfs2/ocfs2_fs.h OCFS2
'o' 00-03 mtd/ubi-user.h conflict! (OCFS2 and UBI overlaps)
'o' 40-41 mtd/ubi-user.h UBI
'o' 01-A1 linux/dvb/*.h DVB
'p' 00-0F linux/phantom.h conflict! (OpenHaptics needs this)
'p' 00-1F linux/rtc.h conflict!
'p' 00-3F linux/mc146818rtc.h conflict!
'p' 40-7F linux/nvram.h
'p' 80-9F linux/ppdev.h user-space parport
<mailto:tim@cyberelk.net>
'p' A1-A5 linux/pps.h LinuxPPS
<mailto:giometti@linux.it>
'q' 00-1F linux/serio.h
'q' 80-FF linux/telephony.h Internet PhoneJACK, Internet LineJACK
linux/ixjuser.h <http://web.archive.org/web/*/http://www.quicknet.net>
'r' 00-1F linux/msdos_fs.h and fs/fat/dir.c
's' all linux/cdk.h
't' 00-7F linux/ppp-ioctl.h
't' 80-8F linux/isdn_ppp.h
't' 90-91 linux/toshiba.h toshiba and toshiba_acpi SMM
'u' 00-1F linux/smb_fs.h gone
'u' 20-3F linux/uvcvideo.h USB video class host driver
'v' 00-1F linux/ext2_fs.h conflict!
'v' 00-1F linux/fs.h conflict!
'v' 00-0F linux/sonypi.h conflict!
'v' C0-FF linux/meye.h conflict!
'w' all CERN SCI driver
'y' 00-1F packet based user level communications
<mailto:zapman@interlan.net>
'z' 00-3F CAN bus card conflict!
<mailto:hdstich@connectu.ulm.circular.de>
'z' 40-7F CAN bus card conflict!
<mailto:oe@port.de>
'z' 10-4F drivers/s390/crypto/zcrypt_api.h conflict!
'|' 00-7F linux/media.h
0x80 00-1F linux/fb.h
0x89 00-06 arch/x86/include/asm/sockios.h
0x89 0B-DF linux/sockios.h
0x89 E0-EF linux/sockios.h SIOCPROTOPRIVATE range
0x89 E0-EF linux/dn.h PROTOPRIVATE range
0x89 F0-FF linux/sockios.h SIOCDEVPRIVATE range
0x8B all linux/wireless.h
0x8C 00-3F WiNRADiO driver
<http://www.winradio.com.au/>
0x90 00 drivers/cdrom/sbpcd.h
0x92 00-0F drivers/usb/mon/mon_bin.c
0x93 60-7F linux/auto_fs.h
0x94 all fs/btrfs/ioctl.h
0x97 00-7F fs/ceph/ioctl.h Ceph file system
0x99 00-0F 537-Addinboard driver
<mailto:buk@buks.ipn.de>
0xA0 all linux/sdp/sdp.h Industrial Device Project
<mailto:kenji@bitgate.com>
0xA2 00-0F arch/tile/include/asm/hardwall.h
0xA3 80-8F Port ACL in development:
<mailto:tlewis@mindspring.com>
0xA3 90-9F linux/dtlk.h
0xAA 00-3F linux/uapi/linux/userfaultfd.h
0xAB 00-1F linux/nbd.h
0xAC 00-1F linux/raw.h
0xAD 00 Netfilter device in development:
<mailto:rusty@rustcorp.com.au>
0xAE all linux/kvm.h Kernel-based Virtual Machine
<mailto:kvm@vger.kernel.org>
0xAF 00-1F linux/fsl_hypervisor.h Freescale hypervisor
0xB0 all RATIO devices in development:
<mailto:vgo@ratio.de>
0xB1 00-1F PPPoX <mailto:mostrows@styx.uwaterloo.ca>
0xB3 00 linux/mmc/ioctl.h
0xC0 00-0F linux/usb/iowarrior.h
0xCA 00-0F uapi/misc/cxl.h
0xCA 80-8F uapi/scsi/cxlflash_ioctl.h
0xCB 00-1F CBM serial IEC bus in development:
<mailto:michael.klein@puffin.lb.shuttle.de>
0xCD 01 linux/reiserfs_fs.h
0xCF 02 fs/cifs/ioctl.c
0xDB 00-0F drivers/char/mwave/mwavepub.h
0xDD 00-3F ZFCP device driver see drivers/s390/scsi/
<mailto:aherrman@de.ibm.com>
0xE5 00-3F linux/fuse.h
0xEC 00-01 drivers/platform/chrome/cros_ec_dev.h ChromeOS EC driver
0xF3 00-3F drivers/usb/misc/sisusbvga/sisusb.h sisfb (in development)
<mailto:thomas@winischhofer.net>
0xF4 00-1F video/mbxfb.h mbxfb
<mailto:raph@8d.com>
0xF6 all LTTng Linux Trace Toolkit Next Generation
<mailto:mathieu.desnoyers@efficios.com>
0xFD all linux/dm-ioctl.h
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