341 lines
10 KiB
Plaintext
341 lines
10 KiB
Plaintext
config SCENARIO
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string "ACRN scenario"
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default "sdc"
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help
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By specifying SCENARIO name, ACRN will load corresponding VM configurations
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to build the hypervisor. Currently ACRN provides below reference scenarios:
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sdc: Typical scenario for automotive Software Defined Cockpit system.
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sdc will have one pre-launched SOS VM and one post-launched VM;
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sdc2: Extended scenario for automotive Software Defined Cockpit system.
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sdc2 will have one pre-launched SOS VM and up to three post-launched VMs;
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industry: Typical scenario for industry usage with 3 VMs: one pre-launched SOS VM,
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one post-launched Standard VM for HMI, one post-launched RT VM for real-time control.
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hybrid: Typical scenario for hybrid usage with 3 VMs: one pre-launched VM,
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one pre-launched SOS VM and one post-launched Standard VM;
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logical_partition: Typical scenario that run two isolated pre-launched VMs;
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config MULTIBOOT2
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bool "Multiboot2 support"
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default y
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help
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Support boot ACRN from multiboot2 protocol. Multiboot2 support is needed for
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some EFI platforms to get correct ACPI RSDP, it also could provide host efi
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information for hypervisor.
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choice
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prompt "ACRN Scheduler"
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default SCHED_NOOP
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help
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Select the CPU scheduler to be used by the hypervisor
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config SCHED_NOOP
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bool "NOOP scheduler"
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help
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The NOOP (No-Operation) scheduler means there is a strict 1 to 1 mapping
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between vCPUs and pCPUs.
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config SCHED_IORR
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bool "IORR scheduler"
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help
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IORR (IO sensitive Round Robin) scheduler supports multipule vCPUs running on
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on one pCPU, and they will be scheduled by a IO sensitive round robin policy.
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config SCHED_BVT
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bool "BVT scheduler"
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help
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BVT (Borrowed Virtual time) is virtual time based scheduling algorithm, it
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dispatching the runnable thread with the earliest effective virtual time.
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TODO: BVT scheduler will be built on top of prioritized scheduling mechanism,
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i.e. higher priority threads get scheduled first, and same priority tasks are
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scheduled per BVT.
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endchoice
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config BOARD
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string "Target board"
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help
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The target board this build runs on top of.
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config DEFCONFIG_LIST
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string
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option defconfig_list
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default "arch/x86/configs/$BOARD.config"
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config RELEASE
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bool "Release build"
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default n
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help
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Whether to build a release version of the hypervisor. Logs, serial
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console and hypervisor shell are available only in non-release
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(i.e. debug) builds. Assertions are not effective in release builds.
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config MAX_EMULATED_MMIO_REGIONS
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int "Maximum number of emulated MMIO regions"
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range 0 128
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default 16
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config MAX_PT_IRQ_ENTRIES
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int "Maximum number of interrupt source for PT devices"
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range 0 256
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default 64
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config STACK_SIZE
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hex "Capacity of one stack, in bytes"
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default 0x2000
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help
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The size of stacks used by physical cores. Each core uses one stack
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for normal operations and another three for specific exceptions.
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config LOG_BUF_SIZE
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hex "Capacity of logbuf for each physical cpu"
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default 0x40000
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config LOG_DESTINATION
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int "Bitmap of consoles where logs are printed"
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range 0 7
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default 7
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help
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A bitmap indicating the destinations of log messages. Currently there
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are 3 destinations available. Bit 0 represents the serial console, bit
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1 the SOS ACRN log and bit 2 NPK log. Effective only in debug builds.
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choice
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prompt "Serial IO type"
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depends on !RELEASE
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optional
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help
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If selected, this configures whether the physical serial port shall
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be accessed via memory-mapped registers or I/O ports.
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If this is not selected, the serial port is disabled. This is the
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default.
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config SERIAL_PCI
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bool "PCI"
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help
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Select this if the serial port shall be accessed via PCI memory-mapped
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registers.
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config SERIAL_LEGACY
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bool "Legacy"
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help
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Select this if the serial port shall be accessed via legacy port in/out
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instructions.
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endchoice
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config SERIAL_PCI_BDF
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string "BDF of serial PCI device"
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depends on SERIAL_PCI
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default "0:18.2"
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help
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BDF: bus, device and function of the serial PCI device; for an example,
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PCI device ttyS2: 0:18.2.
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config SERIAL_PIO_BASE
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hex "Base address of serial PIO region"
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depends on SERIAL_LEGACY
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default 0x3f8
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help
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The base address of the serial ports. This is logically 16-bit but used
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as a 64-bit integer.
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config CONSOLE_LOGLEVEL_DEFAULT
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int "Default loglevel on the serial console"
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depends on !RELEASE
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range 0 6
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default 3
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help
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This indicates the maximum debug level of logs that will be available
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on the the serial console. The higher the number, the more logs will
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be available.
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config MEM_LOGLEVEL_DEFAULT
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int "Default loglevel in memory"
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depends on !RELEASE
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range 0 6
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default 5
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help
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This indicates the maximum debug level of logs that will be available
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in the logbuf in memory which can be accessed by ACRN log in SOS. The
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higher the number, the more logs will be available.
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config NPK_LOGLEVEL_DEFAULT
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int "Default loglevel for the hypervisor NPK log"
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depends on !RELEASE
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range 0 6
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default 5
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help
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This indicates the maximum debug level of logs that will be available
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via NPK log. The higher the number, the more logs will be available.
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config LOW_RAM_SIZE
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hex "Size of the low RAM region"
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range 0 0x10000
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default 0x00010000
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help
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A 32-bit integer indicating the size of RAM region below address
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0x10000, starting from address 0x0.
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config HV_RAM_START
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hex "2M-aligned Start physical address of the RAM region used by the hypervisor"
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default 0x00400000
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help
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A 64-bit integer indicating the base physical address where the
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hypervisor should be loaded. If RELOC is disabled, the bootloader
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is required to load the hypervisor to this specific address.
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Otherwise the hypervisor will not boot. With RELOC enabled the
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hypervisor may relocate its symbols to where it is placed,
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and thus the bootloader might not place the hypervisor at this
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specific address.
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Note that the addr demands 2M aligned, otherwise memory corruption
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may occur.
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config HV_RAM_SIZE
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hex "Size of the RAM region used by the hypervisor"
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range 0x1000000 0x10000000
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default 0x0b800000
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help
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A 64-bit integer indicating the size of RAM used by the hypervisor.
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It is ensured at link time that the footprint of the hypervisor
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does not exceed this size.
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config PLATFORM_RAM_SIZE
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hex "Size of the physical platform RAM"
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range 0x100000000 0x4000000000
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default 0x400000000
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help
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A 64-bit integer indicating the size of the physical platform RAM
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(MMIO not included).
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config SOS_RAM_SIZE
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hex "Size of the Service OS (SOS) RAM"
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range 0x100000000 0x4000000000
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default 0x400000000
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help
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A 64-bit integer indicating the size of the Service OS RAM (MMIO not
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included).
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config UOS_RAM_SIZE
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hex "Size of the User OS (UOS) RAM"
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range 0 0x2000000000
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default 0x200000000
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help
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A 64-bit integer indicating the size of the User OS RAM (MMIO not
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included). Now we assume each UOS uses same amount of RAM size.
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config ACPI_PARSE_ENABLED
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bool "Enable ACPI runtime parsing"
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default y
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help
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Platform specific ACPI info may be retrieved thru boot-time parse
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of ACPI table, or thru parse of off-line tool. This option enables
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the boot-time parse of ACPI table, and overwrite the information
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from off-line tool.
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config HYPERV_ENABLED
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bool "Enable Hyper-V enlightenment"
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default y
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help
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When set, the minimum set of TLFS functionality together with some
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performance enlightenments are enabled.
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config RDT_ENABLED
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bool "Enable RDT (Resource Director Technology)"
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default n
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help
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When set in platforms that support RDT, hypervisor can allocate
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various amount of HW resources such as L2 or/and L3 to VMs to achieve
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different Class of Service (COS, or CLOS).
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config GPU_SBDF
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hex "Segment, Bus, Device, and function of the GPU"
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depends on ACPI_PARSE_ENABLED
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default 0x00000010
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help
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A 32-bit integer encoding the segment, bus, device and function of the
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GPU. This integer consists of a 16-bit segment ID, 8-bit bus ID, 5-bit
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device ID and 3-bit function ID. As an example, for PCI device at
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00:02.0 in DRHD segment 0, this SBDF would be (0 << 16) | (0 << 8) |
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(2 << 3) | (0 << 0), i.e. 0x00000010.
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config RELOC
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bool "Enable hypervisor relocation"
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default y
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help
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When selected, the hypervisor will relocate itself to where it is
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loaded. This allows the bootloader to put the hypervisor image to
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wherever appropriate. Without relocation the bootloader must put the
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image to RAM_START, otherwise the hypervisor will not start up.
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config MAX_IOAPIC_NUM
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int "Maximum number of IO-APICs"
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range 1 10
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default 1
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config MAX_IOAPIC_LINES
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int "Maximum number of interrupt lines per IOAPIC"
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range 1 120
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default 120
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config MAX_IR_ENTRIES
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int "Maximum number of Interrupt Remapping Entries"
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default 256
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help
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Minimum value is 256. Value must be 2^n.
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config IOMMU_BUS_NUM
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hex "Highest PCI bus ID used during IOMMU initialization"
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default 0x100
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help
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Any BDF with a bus ID smaller than this number is mapped to
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the IOMMU domain of the first VM.
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config MAX_PCI_DEV_NUM
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int "Maximum number of PCI devices"
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range 1 1024
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default 96
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config MAX_MSIX_TABLE_NUM
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int "Maximum number of MSI-X tables per device"
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range 1 2048
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default 16
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config ENFORCE_VALIDATED_ACPI_INFO
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bool "Enforce the use of validated ACPI info table"
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default n
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help
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When set, the use of validated ACPI info tables is enforced and using
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an offline tool to generate such data is required. Otherwise a
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warning will be printed when validated ACPI info is unavailable, but
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a binary can still be built with the ACPI info template.
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config L1D_FLUSH_VMENTRY_ENABLED
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bool "Enable L1 cache flush before VM entry"
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default n
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config UEFI_OS_LOADER_NAME
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string "UEFI OS loader name"
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default "\\EFI\\org.clearlinux\\bootloaderx64.efi"
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help
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Name of the UEFI bootloader that starts the Service VM. This is
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typically the systemd-boot or Grub bootloader but could be any other
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UEFI executable.
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config MCE_ON_PSC_WORKAROUND_DISABLED
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bool "Force to disable software workaround for Machine Check Error on Page Size Change"
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default n
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help
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By default, software workaround for Machine Check Error on Page Size Change is
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conditionally applied to the models that may be affected by the issue. However,
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the software workaround has negative impact on performance. If all the guest OS
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kernels are trusted, this option may be set for performance.
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config IOMMU_ENFORCE_SNP
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bool "IOMMU enforce snoop behavior of DMA operation"
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default n
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help
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GPU IOMMU doesn't support snoop control capability,
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To enable gvt-d,disable IOMMU snoop control by default.
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