syscall.sh / nios2 / request_key

request_key

request a key from the kernel's key management facility

sys_request_key(const char *_type, const char *_description, const char *_callout_info, key_serial_t destringid)
number218 (0xda)
abicommon
entry pointsys_request_key
sinceLinux 3.19
man pagerequest_key(2)
sourceelixir.bootlin.com

Registers

registervalue
r2218, the syscall number
r4const char *_type
r5const char *_description
r6const char *_callout_info
r7key_serial_t destringid
r2the return value

Then run trap to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/request_key