diff options
| author | Steffen Eiden <seiden@linux.ibm.com> | 2023-06-15 12:05:28 +0200 |
|---|---|---|
| committer | Janosch Frank <frankja@linux.ibm.com> | 2023-06-16 11:08:09 +0200 |
| commit | ea9d97163523d299022fc78258eccc466d92102a (patch) | |
| tree | b1bd8569a17886d840b7e4b6678bee6a9c877f3a /drivers/s390/char/Kconfig | |
| parent | s390/uv: Always export uv_info (diff) | |
| download | linux-ea9d97163523d299022fc78258eccc466d92102a.tar.xz linux-ea9d97163523d299022fc78258eccc466d92102a.zip | |
s390/uvdevice: Add info IOCTL
Add an IOCTL that allows userspace to find out which IOCTLs the uvdevice
supports without trial and error.
Explicitly expose the IOCTL nr for the request types.
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20230615100533.3996107-3-seiden@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20230615100533.3996107-3-seiden@linux.ibm.com>
Diffstat (limited to 'drivers/s390/char/Kconfig')
| -rw-r--r-- | drivers/s390/char/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig index 80c4e5101c97..8a03af5ee5b3 100644 --- a/drivers/s390/char/Kconfig +++ b/drivers/s390/char/Kconfig @@ -96,7 +96,7 @@ config SCLP_OFB config S390_UV_UAPI def_tristate m prompt "Ultravisor userspace API" - depends on S390 + depends on S390 && (KVM || PROTECTED_VIRTUALIZATION_GUEST) help Selecting exposes parts of the UV interface to userspace by providing a misc character device at /dev/uv. |