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4 changes: 4 additions & 0 deletions uefi-raw/CHANGELOG.md
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# uefi-raw - [Unreleased]

## Added

- Added `ScsiIoProtocol`.

## Changed
- `maximum_capsule_size` of `query_capsule_capabilities` now takes a *mut u64 instead of a *mut usize.

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1 change: 1 addition & 0 deletions uefi-raw/src/protocol/mod.rs
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Expand Up @@ -16,4 +16,5 @@ pub mod memory_protection;
pub mod misc;
pub mod network;
pub mod rng;
pub mod scsi;
pub mod shell_params;
160 changes: 160 additions & 0 deletions uefi-raw/src/protocol/scsi.rs
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use core::ffi::c_void;

use crate::{guid, Event, Guid, Status};

/// TODO: use #define TARGET_MAX_BYTES 0x10, the limit of target.
#[allow(unused)]
const TARGET_MAX_BYTES: u32 = 0x10;

newtype_enum! {
/// DataDirection
#[derive(Default)]
pub enum DataDirection: u8 => {
READ = 0,
WRITE = 1,
BIDIRECTIONAL = 2,
}
}

newtype_enum! {
/// HostAdapterStatus
#[derive(Default)]
pub enum HostAdapterStatus: u8 => {

/// EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK
OK = 0x00,
TIMEOUT_COMMAND = 0x09,
TIMEOUT = 0x0b,
MESSAGE_REJECT = 0x0d,
BUS_RESET = 0x0e,
PARITY_ERROR = 0x0f,
REQUEST_SENSE_FAILED = 0x10,
SELECTION_TIMEOUT = 0x11,
DATA_OVERRUN_UNDERRUN = 0x12,
BUS_FREE = 0x13,
PHASE_ERROR = 0x14,
OTHER = 0x7f,
}
}

newtype_enum! {
/// TargetStatus
#[derive(Default)]
pub enum TargetStatus: u8 => {
/// EFI_SCSI_IO_STATUS_TARGET_GOOD
GOOD = 0x00,
CHECK_CONDITION = 0x02,
CONDITION_MET = 0x04,
BUSY = 0x08,
INTERMEDIATE = 0x10,
INTERMEDIATE_CONDITION_MET = 0x14,
RESERVATION_CONFLICT = 0x18,
COMMAND_TERMINATED = 0x22,
QUEUE_FULL = 0x28,
}
}

/// EFI_SCSI_IO_SCSI_REQUEST_PACKET
#[derive(Debug, Copy, Clone)]
#[repr(C)]
pub struct ScsiIoScsiRequestPacket {
/// Timeout: The timeout, in 100 ns units, to use for the execution of this SCSI Request Packet.
/// A Timeout value of 0 means that this function will wait indefinitely for the SCSI Request Packet to execute.
/// If Timeout is greater than zero, then this function will return EFI_TIMEOUT if the time required to execute the SCSI Request Packet is greater than Timeout .
pub timeout: u64,

/// []DataBuffer: A pointer to the data buffer to transfer from or to the SCSI device.
/// InDataBuffer: A pointer to the data buffer to transfer between the SCSI controller and the SCSI device for SCSI READ command.
/// For all SCSI WRITE Commands this must point to NULL .
pub in_data_buffer: *mut c_void,
/// OutDataBuffer: A pointer to the data buffer to transfer between the SCSI controller and the SCSI device for SCSI WRITE command.
/// For all SCSI READ commands this field must point to NULL .
pub out_data_buffer: *mut c_void,
/// SenseData: A pointer to the sense data that was generated by the execution of the SCSI Request Packet.
pub sense_data: *mut c_void,
/// Cdb: A pointer to buffer that contains the Command Data Block to send to the SCSI device.
pub cdb: *mut c_void,

/// InTransferLength: On Input, the size, in bytes, of InDataBuffer .
/// On output, the number of bytes transferred between the SCSI controller and the SCSI device.
/// If InTransferLength is larger than the SCSI controller can handle, no data will be transferred,
/// InTransferLength will be updated to contain the number of bytes that the SCSI controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
pub in_transfer_length: u32,
/// OutTransferLength: On Input, the size, in bytes of OutDataBuffer .
/// On Output, the Number of bytes transferred between SCSI Controller and the SCSI device.
/// If OutTransferLength is larger than the SCSI controller can handle, no data will be transferred,
/// OutTransferLength will be updated to contain the number of bytes that the SCSI controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
pub out_transfer_length: u32,

/// CdbLength: The length, in bytes, of the buffer Cdb .
/// The standard values are 6, 10, 12, and 16, but other values are possible if a variable length CDB is used.
pub cdb_length: u8,
/// DataDirection: The direction of the data transfer. 0 for reads, 1 for writes.
/// A value of 2 is Reserved for Bi-Directional SCSI commands. For example XDREADWRITE.
/// All other values are reserved, and must not be used.
pub data_direction: DataDirection,
/// HostAdapterStatus: The status of the SCSI Host Controller that produces the SCSI bus
/// where the SCSI device attached when the SCSI Request Packet was executed on the SCSI Controller.
pub host_adapter_status: HostAdapterStatus,
/// TargetStatus: The status returned by the SCSI device when the SCSI Request Packet was executed.
pub target_status: TargetStatus,
/// SenseDataLength: On input, the length in bytes of the SenseData buffer.
/// On output, the number of bytes written to the SenseData buffer.
pub sense_data_length: u8,
}

newtype_enum! {
/// DeviceType
/// Defined in the SCSI Primary Commands standard (e.g., SPC-4)
#[derive(Default)]
pub enum DeviceType: u8 => {
DISK = 0x00, // Disk device
TAPE = 0x01, // Tape device
PRINTER = 0x02,// Printer
PROCESSOR = 0x03,// Processor
WORM = 0x04,// Write-once read-multiple
CDROM = 0x05,// CD or DVD device
SCANNER = 0x06,// Scanner device
OPTICAL = 0x07,// Optical memory device
MEDIUMCHANGER = 0x08,// Medium Changer device
COMMUNICATION = 0x09,// Communications device


MFI_A = 0x0A, // Obsolete
MFI_B = 0x0B, // Obsolete
MFI_RAID = 0x0C, // Storage array controller
MFI_SES = 0x0D, // Enclosure services device
MFI_RBC = 0x0E, // Simplified direct-access
MFI_OCRW = 0x0F, // Optical card reader/
MFI_BRIDGE = 0x10, // Bridge Controller
MFI_OSD = 0x11, // Object-based Storage

RESERVED_LOW = 0x12, // Reserved (low)
RESERVED_HIGH = 0x1E, // Reserved (high)
UNKNOWN = 0x1F, // Unknown no device type
}
}

#[derive(Debug)]
#[repr(C)]
pub struct ScsiIoProtocol {
//TODO: return deviceType
pub get_device_type:
unsafe extern "efiapi" fn(this: *const Self, device_type: *mut DeviceType) -> Status,
//TODO: raw pointer need to fixed, see uefi-rs service code like pointer *u8
pub get_device_location:
unsafe extern "efiapi" fn(this: *const Self, target: *mut *mut u8, lun: *mut u64) -> Status,
pub reset_bus: unsafe extern "efiapi" fn(this: *mut Self) -> Status,
pub reset_device: unsafe extern "efiapi" fn(this: *mut Self) -> Status,
pub execute_scsi_command: unsafe extern "efiapi" fn(
this: *const Self,
packet: *mut ScsiIoScsiRequestPacket,
event: Event,
) -> Status,
pub io_align: u32,
}

/// 15.4. EFI SCSI I/O Protocol
impl ScsiIoProtocol {
pub const GUID: Guid = guid!("932f47e6-2362-4002-803e-3cd54b138f85");
}
132 changes: 132 additions & 0 deletions uefi-test-runner/examples/scsi.rs
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// ANCHOR: all
// ANCHOR: features
#![no_main]
#![no_std]
// ANCHOR_END: features

extern crate alloc;

use alloc::vec;
use core::mem;

use log::info;

// ANCHOR: use
use uefi::prelude::*;
use uefi::proto::scsi::{ScsiIo, ScsiRequestPacket};

// ANCHOR_END: use

// ANCHOR: entry
#[entry]
fn main(image_handle: Handle, mut system_table: SystemTable<Boot>) -> Status {
// ANCHOR_END: entry
// ANCHOR: services
uefi::helpers::init(&mut system_table).unwrap();
let boot_services = system_table.boot_services();
// ANCHOR_END: services

// ANCHOR: params, all api OK, but memory panic when return, maybe the vec.
test_scsi_io(boot_services);
// ANCHOR_END: params, panic at uefi/src/allocator.rs#L130 (*boot_services()).free_pool(ptr).unwrap();


// ANCHOR: stall
boot_services.stall(10_000_000);
// ANCHOR_END: stall

// ANCHOR: return
Status::SUCCESS
}
// ANCHOR_END: return

pub fn test_scsi_io(bt: &BootServices) {
info!("Running loaded Scsi protocol test");

let handle = bt
.get_handle_for_protocol::<ScsiIo>()
.expect("Failed to get handles for `ScsiIo` protocol");

let mut scsi_protocol = bt
.open_protocol_exclusive::<ScsiIo>(handle)
.expect("Founded ScsiIo Protocol but open failed");

// value efi_reset_fn is the type of ResetSystemFn, a function pointer

let result = scsi_protocol.get_device_type();
info!("SCSI_IO Protocol get device_type: {:?}", result);

let result = scsi_protocol.io_align();
info!("SCSI_IO Protocol's io_align: {:?}", result);

let result = scsi_protocol.get_device_location();
info!("SCSI_IO Protocol get dev location: {:?}", result);

let result = scsi_protocol.reset_bus();
info!("SCSI_IO Protocol reset bus test: {:?}", result);

let result = scsi_protocol.reset_device();
info!("SCSI_IO Protocol reset dev test: {:?}", result);

bt.stall(10_000);

let mut packet_tur: ScsiRequestPacket = ScsiRequestPacket::default();
packet_tur.is_a_write_packet = false;
packet_tur.cdb = vec![0x00, 0, 0, 0, 0, 0x00];
packet_tur.timeout = 0;
info!("packet_tur: {:?}", packet_tur);
let result = scsi_protocol.execute_scsi_command(&mut packet_tur, None);
info!("=================SCSI_IO Protocol exec scsi command [TestUnitReady] test: {:?}", result);

let mut packet_icmd: ScsiRequestPacket = ScsiRequestPacket::default();
packet_icmd.is_a_write_packet = false;
packet_icmd.cdb = vec![0x12, 0x01, 0x00, 0, 0, 0x00];
packet_icmd.data_buffer = vec![0; 96];
packet_icmd.sense_data = vec![0; 18];
packet_icmd.timeout = 0;
let result = scsi_protocol.execute_scsi_command(&mut packet_icmd, None);
info!("=================SCSI_IO Protocol exec scsi command [InquiryCommand] test: {:?}", result);

// drop(packet)
// now send Req is ok. but it seems couldn't receive Resp.
}

/*
// The InquiryCommand


// sense_data with UINT8*18
///
/// Error codes 70h and 71h sense data format
///
typedef struct {
UINT8 Error_Code : 7;
UINT8 Valid : 1;
UINT8 Segment_Number;
UINT8 Sense_Key : 4;
UINT8 Reserved_21 : 1;
UINT8 Ili : 1;
UINT8 Reserved_22 : 2;
UINT8 Information_3_6[4];
UINT8 Addnl_Sense_Length; ///< Additional sense length (n-7)
UINT8 Vendor_Specific_8_11[4];
UINT8 Addnl_Sense_Code; ///< Additional sense code
UINT8 Addnl_Sense_Code_Qualifier; ///< Additional sense code qualifier
UINT8 Field_Replaceable_Unit_Code; ///< Field replaceable unit code
UINT8 Reserved_15_17[3];
} EFI_SCSI_SENSE_DATA;



// in_data_buf with UINT8 * 96
typedef struct {
UINT8 Peripheral_Type : 5;
UINT8 Peripheral_Qualifier : 3;
UINT8 DeviceType_Modifier : 7;
UINT8 Rmb : 1;
UINT8 Version;
UINT8 Response_Data_Format;
UINT8 Addnl_Length;
UINT8 Reserved_5_95[95 - 5 + 1];
} EFI_SCSI_INQUIRY_DATA;
*/
4 changes: 4 additions & 0 deletions uefi/CHANGELOG.md
Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
# uefi - [Unreleased]

## Added

- Added `ScsiIo` Protocol.

## Added
- Added `RuntimeServices::update_capsule`.

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8 changes: 5 additions & 3 deletions uefi/src/proto/mod.rs
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Expand Up @@ -9,9 +9,12 @@
//!
//! [`BootServices`]: crate::table::boot::BootServices#accessing-protocols

use crate::Identify;
use core::ffi::c_void;

pub use uefi_macros::unsafe_protocol;

use crate::Identify;

/// Common trait implemented by all standard UEFI protocols.
///
/// You can derive the `Protocol` trait and specify the protocol's GUID using
Expand Down Expand Up @@ -64,8 +67,6 @@ where
}
}

pub use uefi_macros::unsafe_protocol;

pub mod console;
pub mod debug;
pub mod device_path;
Expand All @@ -76,6 +77,7 @@ pub mod misc;
pub mod network;
pub mod pi;
pub mod rng;
pub mod scsi;
pub mod security;
pub mod shell_params;
pub mod shim;
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