4lDO2
154 lines
4.3 KiB
Rust
154 lines
4.3 KiB
Rust
use super::opcodes::{Opcode, ServiceActionA3};
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#[repr(packed)]
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pub struct ReportIdentInfo {
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pub opcode: u8,
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/// bits 7:5 reserved
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pub serviceaction: u8,
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pub _rsvd: u16,
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pub restricted: u16,
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/// little endian
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pub alloc_len: u32,
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/// bit 0 reserved
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pub info_ty: u8,
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pub control: u8,
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}
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unsafe impl plain::Plain for ReportIdentInfo {}
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impl ReportIdentInfo {
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pub fn new(alloc_len: u32, info_ty: ReportIdInfoInfoTy, control: u8) -> Self {
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Self {
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opcode: Opcode::ServiceActionA3 as u8,
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serviceaction: ServiceActionA3::ReportIdentInfo as u8,
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_rsvd: 0,
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restricted: 0,
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alloc_len: u32::to_le(alloc_len),
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info_ty: (info_ty as u8) << REP_ID_INFO_INFO_TY_SHIFT,
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control,
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}
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}
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}
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#[repr(u8)]
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pub enum ReportIdInfoInfoTy {
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PeripheralDevIdInfo = 0b000_0000,
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PeripheralDevTextIdInfo = 0b000_0010,
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IdentInfoSupp = 0b111_1111,
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// every other number ending with a 1 is restricted
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}
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pub const REP_ID_INFO_INFO_TY_MASK: u8 = 0xFE;
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pub const REP_ID_INFO_INFO_TY_SHIFT: u8 = 1;
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#[repr(packed)]
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pub struct ReportSuppOpcodes {
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pub opcode: u8,
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/// bits 7:5 reserved
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pub serviceaction: u8,
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/// bits 2:0 represent "REPORTING OPTIONS", bits 6:3 are reserved, and bit 7 is RCTD
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pub rep_opts: u8,
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pub req_opcode: u8,
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/// little endian
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pub req_serviceaction: u16,
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/// little endian
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pub alloc_len: u32,
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pub _rsvd: u8,
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pub control: u8,
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}
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unsafe impl plain::Plain for ReportSuppOpcodes {}
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impl ReportSuppOpcodes {
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pub const fn new(rep_opts: ReportSuppOpcodesOptions, rctd: bool, req_opcode: u8, req_serviceaction: u16, alloc_len: u32, control: u8) -> Self {
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Self {
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opcode: Opcode::ServiceActionA3 as u8,
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serviceaction: ServiceActionA3::ReportSuppOpcodes as u8,
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rep_opts: ((rctd as u8) << REP_OPTS_RCTD_SHIFT) | rep_opts as u8,
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req_opcode,
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req_serviceaction: u16::to_le(req_serviceaction),
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alloc_len: u32::to_le(alloc_len),
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_rsvd: 0,
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control,
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}
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}
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pub const fn get_all(rctd: bool, alloc_len: u32, control: u8) -> Self {
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Self::new(ReportSuppOpcodesOptions::ListAll, rctd, 0, 0, alloc_len, control)
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}
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}
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pub const REP_OPTS_MAIN_MASK: u8 = 0b0000_0111;
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pub const REP_OPTS_MAIN_SHIFT: u8 = 0;
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pub const REP_OPTS_RCTD_BIT: u8 = 1 << REP_OPTS_RCTD_SHIFT;
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pub const REP_OPTS_RCTD_SHIFT: u8 = 7;
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/// Valid values of the `req_opts` field of `ReportSuppOpcodes`.
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#[repr(u8)]
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pub enum ReportSuppOpcodesOptions {
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/// Returns all commands, no matter what parameters are set.
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ListAll,
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/// Returns one command with the requested opcode. If the command has service actions, this
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/// command fails.
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NoServicaction,
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/// Returns one command with the requested opcode and service action. If the command doesn't
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/// support service actions, this command fails.
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ExplicitBoth,
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/// Returns one command with the requested opcode and service action. The command may or may
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/// not implement service actions, but if it does, it has to be correct for the return value to
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/// indicate SUPPORTED.
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IndicateSupport,
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}
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#[repr(packed)]
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pub struct AllCommandsParam {
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/// Little endian
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pub data_len: u32,
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pub descs: [CommandDescriptor],
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}
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#[repr(packed)]
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pub struct CommandDescriptor {
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pub opcode: u8,
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pub _rsvd1: u8,
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/// little endian
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pub serviceaction: u16,
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pub _rsvd2: u8,
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/// bit 0 is SERVACTV, bit 1 is CTDP, and bits 7:2 reserved
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pub a: u8,
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/// little endian
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pub cdb_len: u16,
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}
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#[repr(packed)]
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pub struct OneCommandParam {
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pub _rsvd: u8,
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/// bits 2:0 for SUPPOR, bits 6:3 reserved, and bit 7 for CTDP
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pub a: u8,
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// TODO
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}
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#[repr(packed)]
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pub struct Inquiry {
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pub opcode: u8,
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/// bits 7:2 are reserved, bit 1 (CMDDT) is obsolete, bit 0 is EVPD
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pub evpd: u8,
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pub page_code: u8,
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/// little endian
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pub alloc_len: u16,
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pub control: u8,
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}
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unsafe impl plain::Plain for Inquiry {}
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impl Inquiry {
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pub fn new(evpd: bool, page_code: u8, alloc_len: u16, control: u8) -> Self {
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Self {
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opcode: Opcode::Inquiry as u8,
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evpd: evpd as u8,
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page_code,
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alloc_len: u16::to_le(alloc_len),
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control,
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}
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}
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}
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