syscall.sh / riscv64 / ioprio_get
ioprio_get
get/set I/O scheduling class and priority
sys_ioprio_get(int which, int who)| number | 31 (0x1f) |
|---|---|
| abi | common |
| entry point | sys_ioprio_get |
| since | Linux 4.15 |
| man page | ioprio_get(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a7 | 31, the syscall number |
a0 | int which |
a1 | int who |
a0 | the return value |
Then run ecall to enter the kernel.
Same syscall on other architectures
- x64 252
- x86 290
- arm64 31
- arm 315
- x32 1073742076
- loongarch64 31
- ppc64 274
- ppc 274
- s390x 283
- mips64 5274
- mipsn32 6278
- mipso32 4315
- alpha 443
- arc 31
- csky 31
- hexagon 31
- m68k 283
- microblaze 290
- nios2 31
- openrisc 31
- parisc 268
- sh 289
- sparc 218
- sparc64 218
- xtensa 283
Get this as JSON: https://api.syscall.sh/v2/syscalls/riscv64/ioprio_get