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#![warn(missing_docs)]
#![allow(unused_doc_comments)]
extern crate core;
pub extern crate drm_sys;
pub use drm_sys::*;
#[macro_use]
extern crate nix;
#[macro_use]
pub(crate) mod utils;
use result::SystemError as Error;
pub mod gem;
pub mod ioctl;
pub mod mode;
pub mod result;
use nix::libc::*;
use std::os::unix::io::RawFd;
pub mod auth {
use drm_sys::*;
use ioctl;
use nix::Error;
use std::os::unix::io::RawFd;
pub fn get_magic_token(fd: RawFd) -> Result<drm_auth, Error> {
let mut auth = drm_auth::default();
unsafe {
ioctl::get_token(fd, &mut auth)?;
}
Ok(auth)
}
pub fn auth_magic_token(fd: RawFd, auth: u32) -> Result<drm_auth, Error> {
let token = drm_auth { magic: auth };
unsafe {
ioctl::auth_token(fd, &token)?;
}
Ok(token)
}
pub fn acquire_master(fd: RawFd) -> Result<(), Error> {
unsafe {
ioctl::acquire_master(fd)?;
}
Ok(())
}
pub fn release_master(fd: RawFd) -> Result<(), Error> {
unsafe {
ioctl::release_master(fd)?;
}
Ok(())
}
}
pub fn get_bus_id(fd: RawFd, buf: Option<&mut &mut [u8]>) -> Result<drm_unique, Error> {
let mut busid = drm_unique {
unique_len: map_len!(&buf),
unique: map_ptr!(&buf),
};
unsafe {
ioctl::get_bus_id(fd, &mut busid)?;
}
map_shrink!(buf, busid.unique_len as usize);
Ok(busid)
}
pub fn get_interrupt_from_bus_id(
fd: RawFd,
bus: c_int,
dev: c_int,
func: c_int,
) -> Result<drm_irq_busid, Error> {
let mut irq = drm_irq_busid {
busnum: bus,
devnum: dev,
funcnum: func,
..Default::default()
};
unsafe {
ioctl::get_irq_from_bus_id(fd, &mut irq)?;
}
Ok(irq)
}
pub fn get_client(fd: RawFd, idx: c_int) -> Result<drm_client, Error> {
let mut client = drm_client {
idx,
..Default::default()
};
unsafe {
ioctl::get_client(fd, &mut client)?;
}
Ok(client)
}
pub fn get_capability(fd: RawFd, cty: u64) -> Result<drm_get_cap, Error> {
let mut cap = drm_get_cap {
capability: cty,
..Default::default()
};
unsafe {
ioctl::get_cap(fd, &mut cap)?;
}
Ok(cap)
}
pub fn set_capability(fd: RawFd, cty: u64, val: bool) -> Result<drm_set_client_cap, Error> {
let cap = drm_set_client_cap {
capability: cty,
value: val as u64,
};
unsafe {
ioctl::set_cap(fd, &cap)?;
}
Ok(cap)
}
pub fn get_version(
fd: RawFd,
name_buf: Option<&mut &mut [i8]>,
date_buf: Option<&mut &mut [i8]>,
desc_buf: Option<&mut &mut [i8]>,
) -> Result<drm_version, Error> {
let mut version = drm_version {
name_len: map_len!(&name_buf),
name: map_ptr!(&name_buf),
date_len: map_len!(&date_buf),
date: map_ptr!(&date_buf),
desc_len: map_len!(&desc_buf),
desc: map_ptr!(&desc_buf),
..Default::default()
};
unsafe {
ioctl::get_version(fd, &mut version)?;
}
map_shrink!(name_buf, version.name_len as usize);
map_shrink!(date_buf, version.date_len as usize);
map_shrink!(desc_buf, version.desc_len as usize);
Ok(version)
}