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-rw-r--r--Documentation/userspace-api/ioctl/ioctl-number.rst30
1 files changed, 21 insertions, 9 deletions
diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index 6d1465315df3..bc91756bde73 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -28,10 +28,10 @@ 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.
+unused block with enough room for expansion: 32 to 256 ioctl commands
+should suffice. You can register the block by patching this file and
+submitting the patch through :doc:`usual patch submission process
+</process/submitting-patches>`.
The second argument to _IO, _IOW, _IOR, or _IOWR is a sequence number
to distinguish ioctls from each other. The third argument to _IOW,
@@ -62,9 +62,8 @@ Following this convention is good because:
(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/.
+This table lists ioctls visible from userland, excluding ones from
+drivers/staging/.
==== ===== ======================================================= ================================================================
Code Seq# Include File Comments
@@ -85,6 +84,8 @@ Code Seq# Include File Comments
0x10 20-2F arch/s390/include/uapi/asm/hypfs.h
0x12 all linux/fs.h BLK* ioctls
linux/blkpg.h
+ linux/blkzoned.h
+ linux/blk-crypto.h
0x15 all linux/fs.h FS_IOC_* ioctls
0x1b all InfiniBand Subsystem
<http://infiniband.sourceforge.net/>
@@ -331,6 +332,7 @@ Code Seq# Include File Comments
0x97 00-7F fs/ceph/ioctl.h Ceph file system
0x99 00-0F 537-Addinboard driver
<mailto:buk@buks.ipn.de>
+0x9A 00-0F include/uapi/fwctl/fwctl.h
0xA0 all linux/sdp/sdp.h Industrial Device Project
<mailto:kenji@bitgate.com>
0xA1 0 linux/vtpm_proxy.h TPM Emulator Proxy Driver
@@ -363,6 +365,12 @@ Code Seq# Include File Comments
<mailto:linuxppc-dev>
0xB2 01-02 arch/powerpc/include/uapi/asm/papr-sysparm.h powerpc/pseries system parameter API
<mailto:linuxppc-dev>
+0xB2 03-05 arch/powerpc/include/uapi/asm/papr-indices.h powerpc/pseries indices API
+ <mailto:linuxppc-dev>
+0xB2 06-07 arch/powerpc/include/uapi/asm/papr-platform-dump.h powerpc/pseries Platform Dump API
+ <mailto:linuxppc-dev>
+0xB2 08 powerpc/include/uapi/asm/papr-physical-attestation.h powerpc/pseries Physical Attestation API
+ <mailto:linuxppc-dev>
0xB3 00 linux/mmc/ioctl.h
0xB4 00-0F linux/gpio.h <mailto:linux-gpio@vger.kernel.org>
0xB5 00-0F uapi/linux/rpmsg.h <mailto:linux-remoteproc@vger.kernel.org>
@@ -370,10 +378,12 @@ Code Seq# Include File Comments
0xB7 all uapi/linux/remoteproc_cdev.h <mailto:linux-remoteproc@vger.kernel.org>
0xB7 all uapi/linux/nsfs.h <mailto:Andrei Vagin <avagin@openvz.org>>
0xB8 01-02 uapi/misc/mrvl_cn10k_dpi.h Marvell CN10K DPI driver
+0xB8 all uapi/linux/mshv.h Microsoft Hyper-V /dev/mshv driver
+ <mailto:linux-hyperv@vger.kernel.org>
0xC0 00-0F linux/usb/iowarrior.h
-0xCA 00-0F uapi/misc/cxl.h
+0xCA 00-0F uapi/misc/cxl.h Dead since 6.15
0xCA 10-2F uapi/misc/ocxl.h
-0xCA 80-BF uapi/scsi/cxlflash_ioctl.h
+0xCA 80-BF uapi/scsi/cxlflash_ioctl.h Dead since 6.15
0xCB 00-1F CBM serial IEC bus in development:
<mailto:michael.klein@puffin.lb.shuttle.de>
0xCC 00-0F drivers/misc/ibmvmc.h pseries VMC driver
@@ -392,6 +402,8 @@ Code Seq# Include File Comments
<mailto:mathieu.desnoyers@efficios.com>
0xF8 all arch/x86/include/uapi/asm/amd_hsmp.h AMD HSMP EPYC system management interface driver
<mailto:nchatrad@amd.com>
+0xF9 00-0F uapi/misc/amd-apml.h AMD side band system management interface driver
+ <mailto:naveenkrishna.chatradhi@amd.com>
0xFD all linux/dm-ioctl.h
0xFE all linux/isst_if.h
==== ===== ======================================================= ================================================================