| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // TODO(fxb/39732): This should be read as "library zx". |
| library zz; |
| |
| struct SystemPowerctlArg { |
| // TODO(scottmg): More unnamed unions. |
| //union { |
| // struct { |
| // uint8_t target_s_state; // Value between 1 and 5 indicating which S-state |
| // uint8_t sleep_type_a; // Value from ACPI VM (SLP_TYPa) |
| // uint8_t sleep_type_b; // Value from ACPI VM (SLP_TYPb) |
| // } acpi_transition_s_state; |
| // struct { |
| // uint32_t power_limit; // PL1 value in milliwatts |
| // uint32_t time_window; // PL1 time window in microseconds |
| // uint8_t clamp; // PL1 clamping enable |
| // uint8_t enable; // PL1 enable |
| // } x86_power_limit; |
| //}; |
| }; |
| |
| [Transport = "Syscall"] |
| protocol system { |
| [const, vdsocall] |
| system_get_dcache_line_size() -> (uint32 size); |
| |
| /// Get number of logical processors on the system. |
| [const, vdsocall] |
| system_get_num_cpus() -> (uint32 count); |
| |
| /// Get version string for system. |
| [vdsocall] |
| system_get_version(mutable_string version) -> (status status); |
| |
| /// Get amount of physical memory on the system. |
| [vdsocall] |
| system_get_physmem() -> (uint64 physmem); |
| |
| // TODO(scottmg): "features" has a features attribute. I'm not sure if/how it's used. |
| /// Get supported hardware capabilities. |
| [vdsocall] |
| system_get_features(uint32 kind) -> (status status, uint32 features); |
| |
| /// Retrieve a handle to a system event. |
| /// Rights: None. |
| system_get_event(handle<job> root_job, uint32 kind) -> (status status, handle<event> event); |
| |
| /// Soft reboot the system with a new kernel and bootimage. |
| /// Rights: resource must have resource kind ZX_RSRC_KIND_ROOT. |
| /// Rights: kernel_vmo must be of type ZX_OBJ_TYPE_VMO and have ZX_RIGHT_READ. |
| /// Rights: bootimage_vmo must be of type ZX_OBJ_TYPE_VMO and have ZX_RIGHT_READ. |
| system_mexec(handle<resource> resource, handle<vmo> kernel_vmo, handle<vmo> bootimage_vmo) |
| -> (status status); |
| |
| /// Return a ZBI containing ZBI entries necessary to boot this system. |
| /// Rights: resource must have resource kind ZX_RSRC_KIND_ROOT. |
| system_mexec_payload_get(handle<resource> resource) -> (status status, vector_void buffer); |
| |
| /// Rights: resource must have resource kind ZX_RSRC_KIND_ROOT. |
| system_powerctl(handle<resource> resource, uint32 cmd, SystemPowerctlArg arg) |
| -> (status status); |
| }; |