| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI_LINUX_IOPRIO_H |
| #define _UAPI_LINUX_IOPRIO_H |
| #define IOPRIO_CLASS_SHIFT 13 |
| #define IOPRIO_CLASS_MASK 0x07 |
| #define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1) |
| #define IOPRIO_PRIO_CLASS(ioprio) (((ioprio) >> IOPRIO_CLASS_SHIFT) & IOPRIO_CLASS_MASK) |
| #define IOPRIO_PRIO_DATA(ioprio) ((ioprio) & IOPRIO_PRIO_MASK) |
| #define IOPRIO_PRIO_VALUE(class,data) ((((class) & IOPRIO_CLASS_MASK) << IOPRIO_CLASS_SHIFT) | ((data) & IOPRIO_PRIO_MASK)) |
| enum { |
| IOPRIO_CLASS_NONE, |
| IOPRIO_CLASS_RT, |
| IOPRIO_CLASS_BE, |
| IOPRIO_CLASS_IDLE, |
| }; |
| #define IOPRIO_NR_LEVELS 8 |
| #define IOPRIO_BE_NR IOPRIO_NR_LEVELS |
| enum { |
| IOPRIO_WHO_PROCESS = 1, |
| IOPRIO_WHO_PGRP, |
| IOPRIO_WHO_USER, |
| }; |
| #define IOPRIO_NORM 4 |
| #define IOPRIO_BE_NORM IOPRIO_NORM |
| #endif |
