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ableos/ableos/src/devices/pci/class.rs

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Rust
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/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
* Copyright (c) 2022, Umut İnan Erdoğan <umutinanerdogan@pm.me>
*
* SPDX-License-Identifier: MPL-2.0
*/
use core::fmt::Display;
#[allow(non_camel_case_types, dead_code)]
#[derive(Debug, Clone, Copy, PartialEq)]
#[repr(C)]
/// Class specification for a PCI device
pub enum PciClass {
Unclassified = 0x00,
MassStorage = 0x01,
Network = 0x02,
Display = 0x03,
Multimedia = 0x04,
Memory = 0x05,
Bridge = 0x06,
Unknown = 0xFF,
}
impl From<u8> for PciClass {
/// Convert a u8 into the corresponding PciClass
fn from(n: u8) -> Self {
use PciClass::*;
match n {
0x00 => Unclassified,
0x01 => MassStorage,
0x02 => Network,
0x03 => Display,
0x04 => Multimedia,
0x05 => Memory,
0x06 => Bridge,
_ => Unknown,
}
}
}
#[allow(non_camel_case_types, dead_code)]
#[derive(Debug, Clone, Copy, PartialEq)]
#[repr(C)]
/// Full class specification (type and subtype) for a PCI device.
///
/// Uses non-camel-case types for readability.
pub enum PciFullClass {
Unclassified_NonVgaCompatible = 0x0000,
Unclassified_VgaCompatible = 0x0001,
MassStorage_ScsiBus = 0x0100,
MassStorage_IDE = 0x0101,
MassStorage_Floppy = 0x0102,
MassStorage_IpiBus = 0x0103,
MassStorage_RAID = 0x0104,
MassStorage_ATA = 0x0105,
MassStorage_SATA = 0x0106,
MassStorage_SerialSCSI = 0x0107,
MassStorage_NVM = 0x0108,
MassStorage_Other = 0x0180,
Network_Ethernet = 0x0200,
Network_TokenRing = 0x0201,
Network_FDDI = 0x0202,
Network_ATM = 0x0203,
Network_ISDN = 0x0204,
Network_WorldFlip = 0x0205,
Network_PICMG = 0x0206,
Network_Infiniband = 0x0207,
Network_Fabric = 0x0208,
Network_Other = 0x0280,
Display_VGA = 0x0300,
Display_XGA = 0x0301,
Display_3D = 0x0302,
Display_Other = 0x0380,
Multimedia_Video = 0x0400,
Multimedia_AudioController = 0x0401,
Multimedia_Telephony = 0x0402,
Multimedia_AudioDevice = 0x0403,
Multimedia_Other = 0x0480,
Memory_RAM = 0x0500,
Memory_Flash = 0x0501,
Memory_Other = 0x0580,
Bridge_Host = 0x0600,
Bridge_ISA = 0x0601,
Bridge_EISA = 0x0602,
Bridge_MCA = 0x0603,
Bridge_PciToPci = 0x0604,
Bridge_PCMCIA = 0x0605,
Bridge_NuBus = 0x0606,
Bridge_CardBus = 0x0607,
Bridge_RACEway = 0x0608,
Bridge_PciToPciSemiTransparent = 0x0609,
Bridge_InfinibandToPci = 0x060A,
Bridge_Other = 0x0680,
Unknown = 0xFFFF,
}
impl PciFullClass {
// listen, i know this sucks, but i didn't want to include
// `num`, `num-traits` and `num-derive` as dependencies for
// this crate just for a convenience function
/// Convert a u16 into the corresponding PciFullClass
pub fn from_u16(n: u16) -> PciFullClass {
match n {
0x0000 => PciFullClass::Unclassified_NonVgaCompatible,
0x0001 => PciFullClass::Unclassified_VgaCompatible,
0x0100 => PciFullClass::MassStorage_ScsiBus,
0x0101 => PciFullClass::MassStorage_IDE,
0x0102 => PciFullClass::MassStorage_Floppy,
0x0103 => PciFullClass::MassStorage_IpiBus,
0x0104 => PciFullClass::MassStorage_RAID,
0x0105 => PciFullClass::MassStorage_ATA,
0x0106 => PciFullClass::MassStorage_SATA,
0x0107 => PciFullClass::MassStorage_SerialSCSI,
0x0108 => PciFullClass::MassStorage_NVM,
0x0180 => PciFullClass::MassStorage_Other,
0x0200 => PciFullClass::Network_Ethernet,
0x0201 => PciFullClass::Network_TokenRing,
0x0202 => PciFullClass::Network_FDDI,
0x0203 => PciFullClass::Network_ATM,
0x0204 => PciFullClass::Network_ISDN,
0x0205 => PciFullClass::Network_WorldFlip,
0x0206 => PciFullClass::Network_PICMG,
0x0207 => PciFullClass::Network_Infiniband,
0x0208 => PciFullClass::Network_Fabric,
0x0280 => PciFullClass::Network_Other,
0x0300 => PciFullClass::Display_VGA,
0x0301 => PciFullClass::Display_XGA,
0x0302 => PciFullClass::Display_3D,
0x0380 => PciFullClass::Display_Other,
0x0400 => PciFullClass::Multimedia_Video,
0x0401 => PciFullClass::Multimedia_AudioController,
0x0402 => PciFullClass::Multimedia_Telephony,
0x0403 => PciFullClass::Multimedia_AudioDevice,
0x0480 => PciFullClass::Multimedia_Other,
0x0500 => PciFullClass::Memory_RAM,
0x0501 => PciFullClass::Memory_Flash,
0x0580 => PciFullClass::Memory_Other,
0x0600 => PciFullClass::Bridge_Host,
0x0601 => PciFullClass::Bridge_ISA,
0x0602 => PciFullClass::Bridge_EISA,
0x0603 => PciFullClass::Bridge_MCA,
0x0604 => PciFullClass::Bridge_PciToPci,
0x0605 => PciFullClass::Bridge_PCMCIA,
0x0606 => PciFullClass::Bridge_NuBus,
0x0607 => PciFullClass::Bridge_CardBus,
0x0608 => PciFullClass::Bridge_RACEway,
0x0609 => PciFullClass::Bridge_PciToPciSemiTransparent,
0x060A => PciFullClass::Bridge_InfinibandToPci,
0x0680 => PciFullClass::Bridge_Other,
_ => PciFullClass::Unknown,
}
}
/// Convert a PciFullClass to its u16 representation
pub fn as_u16(&self) -> u16 {
*self as u16
}
}
impl From<u16> for PciFullClass {
/// Convert a u16 into the corresponding PciFullClass
fn from(n: u16) -> Self {
Self::from_u16(n)
}
}
impl Display for PciFullClass {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, " Class: ")?;
match self {
PciFullClass::Unclassified_NonVgaCompatible => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Unclassified_VgaCompatible => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::MassStorage_ScsiBus => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_IDE => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_Floppy => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_IpiBus => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_RAID => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_ATA => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_SATA => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_SerialSCSI => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_NVM => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::MassStorage_Other => write!(f, "\u{001A}CYAN\u{001A}")?,
PciFullClass::Network_Ethernet => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_TokenRing => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_FDDI => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_ATM => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_ISDN => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_WorldFlip => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_PICMG => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_Infiniband => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_Fabric => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Network_Other => write!(f, "\u{001A}MAGENTA\u{001A}")?,
PciFullClass::Display_VGA => write!(f, "\u{001A}YELLOW\u{001A}")?,
PciFullClass::Display_XGA => write!(f, "\u{001A}YELLOW\u{001A}")?,
PciFullClass::Display_3D => write!(f, "\u{001A}YELLOW\u{001A}")?,
PciFullClass::Display_Other => write!(f, "\u{001A}YELLOW\u{001A}")?,
PciFullClass::Multimedia_Video => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Multimedia_AudioController => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Multimedia_Telephony => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Multimedia_AudioDevice => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Multimedia_Other => write!(f, "\u{001A}LIGHTBLUE\u{001A}")?,
PciFullClass::Memory_RAM => write!(f, "\u{001A}BLUE\u{001A}")?,
PciFullClass::Memory_Flash => write!(f, "\u{001A}WHITE\u{001A}")?,
PciFullClass::Memory_Other => write!(f, "\u{001A}LIGHTGREY\u{001A}")?,
PciFullClass::Bridge_Host => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_ISA => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_EISA => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_MCA => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_PciToPci => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_PCMCIA => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_NuBus => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_CardBus => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_RACEway => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_PciToPciSemiTransparent => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_InfinibandToPci => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Bridge_Other => write!(f, "\u{001A}GREEN\u{001A}")?,
PciFullClass::Unknown => write!(f, "\u{001A}RED\u{001A}")?,
}
write!(
f,
"{:?} ({:#06X})\u{001A}RESET\u{001A}",
self,
self.as_u16()
)?;
Ok(())
}
}
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