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tape: do not export/doc low level libsgutils2 bindings

This commit is contained in:
Dietmar Maurer 2021-01-21 16:38:24 +01:00
parent aab9a26409
commit e1fdcb1678
1 changed files with 19 additions and 17 deletions
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36
src/tape/sgutils2.rs
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@ -9,9 +9,9 @@ use std::os::unix::io::AsRawFd;
use anyhow::{bail, Error}; use anyhow::{bail, Error};
use libc::{c_char, c_int}; use libc::{c_char, c_int};
/// Opaque wrapper for sg_pt_base // Opaque wrapper for sg_pt_base
#[repr(C)] #[repr(C)]
pub struct SgPtBase { _private: [u8; 0] } struct SgPtBase { _private: [u8; 0] }
impl Drop for SgPtBase { impl Drop for SgPtBase {
fn drop(&mut self) { fn drop(&mut self) {
@ -27,66 +27,68 @@ pub const SCSI_PT_RESULT_OS_ERR:c_int = 4;
#[link(name = "sgutils2")] #[link(name = "sgutils2")]
extern { extern {
pub fn scsi_pt_open_device( #[allow(dead_code)]
fn scsi_pt_open_device(
device_name: * const c_char, device_name: * const c_char,
read_only: bool, read_only: bool,
verbose: c_int, verbose: c_int,
) -> c_int; ) -> c_int;
pub fn sg_is_scsi_cdb( fn sg_is_scsi_cdb(
cdbp: *const u8, cdbp: *const u8,
clen: c_int, clen: c_int,
) -> bool; ) -> bool;
pub fn construct_scsi_pt_obj() -> *mut SgPtBase; fn construct_scsi_pt_obj() -> *mut SgPtBase;
pub fn destruct_scsi_pt_obj(objp: *mut SgPtBase); fn destruct_scsi_pt_obj(objp: *mut SgPtBase);
pub fn set_scsi_pt_data_in( fn set_scsi_pt_data_in(
objp: *mut SgPtBase, objp: *mut SgPtBase,
dxferp: *const u8, dxferp: *const u8,
dxfer_ilen: c_int, dxfer_ilen: c_int,
); );
pub fn set_scsi_pt_data_out( fn set_scsi_pt_data_out(
objp: *mut SgPtBase, objp: *mut SgPtBase,
dxferp: *const u8, dxferp: *const u8,
dxfer_olen: c_int, dxfer_olen: c_int,
); );
pub fn set_scsi_pt_cdb( fn set_scsi_pt_cdb(
objp: *mut SgPtBase, objp: *mut SgPtBase,
cdb: *const u8, cdb: *const u8,
cdb_len: c_int, cdb_len: c_int,
); );
pub fn set_scsi_pt_sense( fn set_scsi_pt_sense(
objp: *mut SgPtBase, objp: *mut SgPtBase,
sense: *const u8, sense: *const u8,
max_sense_len: c_int, max_sense_len: c_int,
); );
pub fn do_scsi_pt( fn do_scsi_pt(
objp: *mut SgPtBase, objp: *mut SgPtBase,
fd: c_int, fd: c_int,
timeout_secs: c_int, timeout_secs: c_int,
verbose: c_int, verbose: c_int,
) -> c_int; ) -> c_int;
pub fn get_scsi_pt_resid(objp: *const SgPtBase) -> c_int; fn get_scsi_pt_resid(objp: *const SgPtBase) -> c_int;
pub fn get_scsi_pt_sense_len(objp: *const SgPtBase) -> c_int; fn get_scsi_pt_sense_len(objp: *const SgPtBase) -> c_int;
pub fn get_scsi_pt_status_response(objp: *const SgPtBase) -> c_int; fn get_scsi_pt_status_response(objp: *const SgPtBase) -> c_int;
pub fn get_scsi_pt_result_category(objp: *const SgPtBase) -> c_int; #[allow(dead_code)]
fn get_scsi_pt_result_category(objp: *const SgPtBase) -> c_int;
} }
/// Creates a `Box<SgPtBase>` /// Creates a `Box<SgPtBase>`
/// ///
/// Which get automatically dropped, so you do not need to call /// Which get automatically dropped, so you do not need to call
/// destruct_scsi_pt_obj yourself. /// destruct_scsi_pt_obj yourself.
pub fn boxed_scsi_pt_obj() -> Result<Box<SgPtBase>, Error> { fn boxed_scsi_pt_obj() -> Result<Box<SgPtBase>, Error> {
let objp = unsafe { let objp = unsafe {
construct_scsi_pt_obj() construct_scsi_pt_obj()
}; };