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tape: decode TapeAlertFlags in cartridge-memory command

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This commit is contained in:
Dietmar Maurer 2021-01-02 10:55:30 +01:00
parent cfae8f0656
commit abaa6d0ac9
2 changed files with 14 additions and 3 deletions
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15
src/tape/drive/mam.rs
View File

@ -9,7 +9,10 @@ use proxmox::tools::io::ReadExt;
use crate::{
api2::types::MamAttribute,
tape::sgutils2::SgRaw,
tape::{
tape_alert_flags::TapeAlertFlags,
sgutils2::SgRaw,
},
};
// Read Medium auxiliary memory attributes (MAM)
@ -32,7 +35,7 @@ enum MamFormat {
static MAM_ATTRIBUTES: &'static [ (u16, u16, MamFormat, &'static str) ] = &[
(0x00_00, 8, MamFormat::DEC, "Remaining Capacity In Partition"),
(0x00_01, 8, MamFormat::DEC, "Maximum Capacity In Partition"),
(0x00_02, 8, MamFormat::BINARY, "Tapealert Flags"),
(0x00_02, 8, MamFormat::DEC, "Tapealert Flags"),
(0x00_03, 8, MamFormat::DEC, "Load Count"),
(0x00_04, 8, MamFormat::DEC, "MAM Space Remaining"),
(0x00_05, 8, MamFormat::ASCII, "Assigning Organization"),
@ -157,7 +160,13 @@ fn decode_mam_attributes(data: &[u8]) -> Result<Vec<MamAttribute>, Error> {
} else if info.1 == 4 {
format!("{}", u32::from_be_bytes(data[0..4].try_into()?))
} else if info.1 == 8 {
format!("{}", u64::from_be_bytes(data[0..8].try_into()?))
if head_id == 2 { // Tape Alert Flags
let value = u64::from_be_bytes(data[0..8].try_into()?);
let flags = TapeAlertFlags::from_bits_truncate(value);
format!("{:?}", flags)
} else {
format!("{}", u64::from_be_bytes(data[0..8].try_into()?))
}
} else {
unreachable!();
}

2
src/tape/drive/mod.rs
View File

@ -1,5 +1,7 @@
mod virtual_tape;
mod linux_mtio;
pub mod tape_alert_flags;
pub mod linux_tape;
mod mam;