chore: upgrade zerocopy to 0.8

Migration guide for breaking changes between 0.7 and 0.8:
google/zerocopy#1680

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

src/acpi-tables/src/dsdt.rs

@@ -4,7 +4,7 @@
 use std::mem::size_of;
 
 use vm_memory::{Address, Bytes, GuestAddress, GuestMemory};
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 use crate::{checksum, AcpiError, Result, Sdt, SdtHeader};
 

src/acpi-tables/src/fadt.rs

@@ -5,7 +5,7 @@
 
 use vm_memory::{Bytes, GuestAddress, GuestMemory};
 use zerocopy::little_endian::{U16, U32, U64};
-use zerocopy::AsBytes;
+use zerocopy::{Immutable, IntoBytes};
 
 use crate::{checksum, GenericAddressStructure, Result, Sdt, SdtHeader};
 
@@ -42,7 +42,7 @@ pub const FADT_F_HW_REDUCED_ACPI: u8 = 20;
 /// More information about this table can be found in the ACPI specification:
 /// https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html#fixed-acpi-description-table-fadt
 #[repr(packed)]
-#[derive(Debug, Copy, Clone, Default, AsBytes)]
+#[derive(Debug, Copy, Clone, Default, IntoBytes, Immutable)]
 pub struct Fadt {
     header: SdtHeader,
     firmware_control: U32,

src/acpi-tables/src/lib.rs

@@ -20,7 +20,7 @@ pub use madt::Madt;
 pub use rsdp::Rsdp;
 pub use xsdt::Xsdt;
 use zerocopy::little_endian::{U32, U64};
-use zerocopy::AsBytes;
+use zerocopy::{Immutable, IntoBytes};
 
 // This is the creator ID that we will embed in ACPI tables that are created using this crate.
 const FC_ACPI_CREATOR_ID: [u8; 4] = *b"FCAT";
@@ -50,7 +50,7 @@ pub type Result<T> = std::result::Result<T, AcpiError>;
 
 /// ACPI type representing memory addresses
 #[repr(packed)]
-#[derive(AsBytes, Clone, Copy, Debug, Default)]
+#[derive(IntoBytes, Immutable, Clone, Copy, Debug, Default)]
 pub struct GenericAddressStructure {
     pub address_space_id: u8,
     pub register_bit_width: u8,
@@ -79,7 +79,7 @@ impl GenericAddressStructure {
 
 /// Header included in all System Descriptor Tables
 #[repr(packed)]
-#[derive(Clone, Debug, Copy, Default, AsBytes)]
+#[derive(Clone, Debug, Copy, Default, IntoBytes, Immutable)]
 pub struct SdtHeader {
     pub signature: [u8; 4],
     pub length: U32,

src/acpi-tables/src/madt.rs

@@ -7,7 +7,7 @@ use std::mem::size_of;
 
 use vm_memory::{Address, Bytes, GuestAddress, GuestMemory};
 use zerocopy::little_endian::U32;
-use zerocopy::AsBytes;
+use zerocopy::{Immutable, IntoBytes};
 
 use crate::{checksum, AcpiError, Result, Sdt, SdtHeader};
 
@@ -18,7 +18,7 @@ const MADT_CPU_ENABLE_FLAG: u32 = 0;
 // everything with an underscore prefix
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Copy, Clone, Debug, Default, AsBytes)]
+#[derive(Copy, Clone, Debug, Default, IntoBytes, Immutable)]
 pub struct LocalAPIC {
     r#type: u8,
     length: u8,
@@ -44,7 +44,7 @@ impl LocalAPIC {
 // everything with an underscore prefix
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Copy, Clone, Debug, Default, AsBytes)]
+#[derive(Copy, Clone, Debug, Default, IntoBytes, Immutable)]
 pub struct IoAPIC {
     r#type: u8,
     length: u8,
@@ -72,7 +72,7 @@ impl IoAPIC {
 // everything with an underscore prefix
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Debug, AsBytes)]
+#[derive(Debug, IntoBytes, Immutable)]
 struct MadtHeader {
     sdt: SdtHeader,
     base_address: U32,

src/acpi-tables/src/rsdp.rs

@@ -6,7 +6,7 @@
 
 use vm_memory::{Bytes, GuestAddress, GuestMemory};
 use zerocopy::little_endian::{U32, U64};
-use zerocopy::AsBytes;
+use zerocopy::{Immutable, IntoBytes};
 
 use crate::{checksum, Result, Sdt};
 
@@ -22,7 +22,7 @@ use crate::{checksum, Result, Sdt};
 /// More information about this structure can be found in the ACPI specification:
 /// https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html#root-system-description-pointer-rsdp
 #[repr(packed)]
-#[derive(Clone, Copy, Debug, Default, AsBytes)]
+#[derive(Clone, Copy, Debug, Default, IntoBytes, Immutable)]
 pub struct Rsdp {
     signature: [u8; 8],
     checksum: u8,

src/acpi-tables/src/xsdt.rs

@@ -6,7 +6,7 @@
 use std::mem::size_of;
 
 use vm_memory::{Address, Bytes, GuestAddress, GuestMemory};
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 use crate::{checksum, AcpiError, Result, Sdt, SdtHeader};
 

src/vmm/src/acpi/x86_64.rs

@@ -10,7 +10,7 @@ use acpi_tables::fadt::{
 use acpi_tables::madt::{IoAPIC, LocalAPIC};
 use acpi_tables::Fadt;
 use vm_memory::GuestAddress;
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 use crate::arch::x86_64::layout;
 use crate::device_manager::legacy::PortIODeviceManager;