mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-10-01 02:55:45 +00:00
acpi: Refactor create_acpi_tables()
Split the code of create_acpi_tables() into multiple functions for easy extension in future. Signed-off-by: Michael Zhao <michael.zhao@arm.com>
This commit is contained in:
parent
5ae04349da
commit
01acea3102
163
vmm/src/acpi.rs
163
vmm/src/acpi.rs
@ -105,74 +105,44 @@ pub fn create_dsdt_table(
|
||||
dsdt
|
||||
}
|
||||
|
||||
pub fn create_acpi_tables(
|
||||
guest_mem: &GuestMemoryMmap,
|
||||
device_manager: &Arc<Mutex<DeviceManager>>,
|
||||
cpu_manager: &Arc<Mutex<CpuManager>>,
|
||||
memory_manager: &Arc<Mutex<MemoryManager>>,
|
||||
numa_nodes: &NumaNodes,
|
||||
) -> GuestAddress {
|
||||
let rsdp_offset = arch::layout::RSDP_POINTER;
|
||||
let mut tables: Vec<u64> = Vec::new();
|
||||
|
||||
// DSDT
|
||||
let dsdt = create_dsdt_table(device_manager, cpu_manager, memory_manager);
|
||||
let dsdt_offset = rsdp_offset.checked_add(Rsdp::len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(dsdt.as_slice(), dsdt_offset)
|
||||
.expect("Error writing DSDT table");
|
||||
|
||||
// FACP aka FADT
|
||||
fn create_facp_table(dsdt_offset: GuestAddress) -> Sdt {
|
||||
// Revision 6 of the ACPI FADT table is 276 bytes long
|
||||
let mut facp = Sdt::new(*b"FACP", 276, 6, *b"CLOUDH", *b"CHFACP ", 1);
|
||||
|
||||
// PM_TMR_BLK I/O port
|
||||
// x86_64 specific fields
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
{
|
||||
// PM_TMR_BLK I/O port
|
||||
facp.write(76, 0xb008u32);
|
||||
// RESET_REG
|
||||
facp.write(116, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
// RESET_VALUE
|
||||
facp.write(128, 1u8);
|
||||
// X_PM_TMR_BLK
|
||||
facp.write(208, GenericAddress::io_port_address::<u32>(0xb008));
|
||||
// SLEEP_CONTROL_REG
|
||||
facp.write(244, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
// SLEEP_STATUS_REG
|
||||
facp.write(256, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
}
|
||||
|
||||
// Architecture common fields
|
||||
// HW_REDUCED_ACPI, RESET_REG_SUP, TMR_VAL_EXT
|
||||
let fadt_flags: u32 = 1 << 20 | 1 << 10 | 1 << 8;
|
||||
facp.write(112, fadt_flags);
|
||||
|
||||
// RESET_REG
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
facp.write(116, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
// RESET_VALUE
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
facp.write(128, 1u8);
|
||||
|
||||
facp.write(131, 3u8); // FADT minor version
|
||||
facp.write(140, dsdt_offset.0); // X_DSDT
|
||||
|
||||
// X_PM_TMR_BLK
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
facp.write(208, GenericAddress::io_port_address::<u32>(0xb008));
|
||||
|
||||
// SLEEP_CONTROL_REG
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
facp.write(244, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
// SLEEP_STATUS_REG
|
||||
#[cfg(target_arch = "x86_64")]
|
||||
facp.write(256, GenericAddress::io_port_address::<u8>(0x3c0));
|
||||
|
||||
facp.write(268, b"CLOUDHYP"); // Hypervisor Vendor Identity
|
||||
// FADT minor version
|
||||
facp.write(131, 3u8);
|
||||
// X_DSDT
|
||||
facp.write(140, dsdt_offset.0);
|
||||
// Hypervisor Vendor Identity
|
||||
facp.write(268, b"CLOUDHYP");
|
||||
|
||||
facp.update_checksum();
|
||||
let facp_offset = dsdt_offset.checked_add(dsdt.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(facp.as_slice(), facp_offset)
|
||||
.expect("Error writing FACP table");
|
||||
tables.push(facp_offset.0);
|
||||
|
||||
// MADT
|
||||
let madt = cpu_manager.lock().unwrap().create_madt();
|
||||
let madt_offset = facp_offset.checked_add(facp.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(madt.as_slice(), madt_offset)
|
||||
.expect("Error writing MADT table");
|
||||
tables.push(madt_offset.0);
|
||||
facp
|
||||
}
|
||||
|
||||
// MCFG
|
||||
fn create_mcfg_table() -> Sdt {
|
||||
let mut mcfg = Sdt::new(*b"MCFG", 36, 1, *b"CLOUDH", *b"CHMCFG ", 1);
|
||||
|
||||
// MCFG reserved 8 bytes
|
||||
@ -186,19 +156,10 @@ pub fn create_acpi_tables(
|
||||
end: 0,
|
||||
..Default::default()
|
||||
});
|
||||
mcfg
|
||||
}
|
||||
|
||||
let mcfg_offset = madt_offset.checked_add(madt.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(mcfg.as_slice(), mcfg_offset)
|
||||
.expect("Error writing MCFG table");
|
||||
tables.push(mcfg_offset.0);
|
||||
|
||||
// SRAT and SLIT
|
||||
// Only created if the NUMA nodes list is not empty.
|
||||
let (prev_tbl_len, prev_tbl_off) = if numa_nodes.is_empty() {
|
||||
(mcfg.len(), mcfg_offset)
|
||||
} else {
|
||||
// SRAT
|
||||
fn create_srat_table(numa_nodes: &NumaNodes) -> Sdt {
|
||||
let mut srat = Sdt::new(*b"SRAT", 36, 3, *b"CLOUDH", *b"CHSRAT ", 1);
|
||||
// SRAT reserved 12 bytes
|
||||
srat.append_slice(&[0u8; 12]);
|
||||
@ -245,14 +206,10 @@ pub fn create_acpi_tables(
|
||||
});
|
||||
}
|
||||
}
|
||||
srat
|
||||
}
|
||||
|
||||
let srat_offset = mcfg_offset.checked_add(mcfg.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(srat.as_slice(), srat_offset)
|
||||
.expect("Error writing SRAT table");
|
||||
tables.push(srat_offset.0);
|
||||
|
||||
// SLIT
|
||||
fn create_slit_table(numa_nodes: &NumaNodes) -> Sdt {
|
||||
let mut slit = Sdt::new(*b"SLIT", 36, 1, *b"CLOUDH", *b"CHSLIT ", 1);
|
||||
// Number of System Localities on 8 bytes.
|
||||
slit.append(numa_nodes.len() as u64);
|
||||
@ -272,7 +229,65 @@ pub fn create_acpi_tables(
|
||||
slit.append(dist);
|
||||
}
|
||||
}
|
||||
slit
|
||||
}
|
||||
|
||||
pub fn create_acpi_tables(
|
||||
guest_mem: &GuestMemoryMmap,
|
||||
device_manager: &Arc<Mutex<DeviceManager>>,
|
||||
cpu_manager: &Arc<Mutex<CpuManager>>,
|
||||
memory_manager: &Arc<Mutex<MemoryManager>>,
|
||||
numa_nodes: &NumaNodes,
|
||||
) -> GuestAddress {
|
||||
let rsdp_offset = arch::layout::RSDP_POINTER;
|
||||
let mut tables: Vec<u64> = Vec::new();
|
||||
|
||||
// DSDT
|
||||
let dsdt = create_dsdt_table(device_manager, cpu_manager, memory_manager);
|
||||
let dsdt_offset = rsdp_offset.checked_add(Rsdp::len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(dsdt.as_slice(), dsdt_offset)
|
||||
.expect("Error writing DSDT table");
|
||||
|
||||
// FACP aka FADT
|
||||
let facp = create_facp_table(dsdt_offset);
|
||||
let facp_offset = dsdt_offset.checked_add(dsdt.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(facp.as_slice(), facp_offset)
|
||||
.expect("Error writing FACP table");
|
||||
tables.push(facp_offset.0);
|
||||
|
||||
// MADT
|
||||
let madt = cpu_manager.lock().unwrap().create_madt();
|
||||
let madt_offset = facp_offset.checked_add(facp.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(madt.as_slice(), madt_offset)
|
||||
.expect("Error writing MADT table");
|
||||
tables.push(madt_offset.0);
|
||||
|
||||
// MCFG
|
||||
let mcfg = create_mcfg_table();
|
||||
let mcfg_offset = madt_offset.checked_add(madt.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(mcfg.as_slice(), mcfg_offset)
|
||||
.expect("Error writing MCFG table");
|
||||
tables.push(mcfg_offset.0);
|
||||
|
||||
// SRAT and SLIT
|
||||
// Only created if the NUMA nodes list is not empty.
|
||||
let (prev_tbl_len, prev_tbl_off) = if numa_nodes.is_empty() {
|
||||
(mcfg.len(), mcfg_offset)
|
||||
} else {
|
||||
// SRAT
|
||||
let srat = create_srat_table(numa_nodes);
|
||||
let srat_offset = mcfg_offset.checked_add(mcfg.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(srat.as_slice(), srat_offset)
|
||||
.expect("Error writing SRAT table");
|
||||
tables.push(srat_offset.0);
|
||||
|
||||
// SLIT
|
||||
let slit = create_slit_table(numa_nodes);
|
||||
let slit_offset = srat_offset.checked_add(srat.len() as u64).unwrap();
|
||||
guest_mem
|
||||
.write_slice(slit.as_slice(), slit_offset)
|
||||
|
Loading…
Reference in New Issue
Block a user