vm_cow_pages_bindings/
vm_cow_pages_bindings.rs

1// Copyright 2026 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// This file is automatically generated by //zircon/kernel/vm:_kernel_bindgen_crate.vm-cow-pages-bindings.bindgen.
6
7#![expect(non_camel_case_types)]
8#![expect(non_upper_case_globals)]
9#![no_std]
10pub use compressor_bindings::VmCompressor;
11use discardable_vmo_tracker_bindings::DiscardableVmoTracker;
12use page_bindings::vm_page_t;
13use page_source_bindings::MultiPageRequest;
14pub use pmm_bindings::{PmmOptDelayReuse, VmPageDoublyLinkedList};
15use zx_types::zx_status_t;
16
17#[derive(PartialEq, Eq, Copy, Clone, Debug, Hash)]
18#[repr(C, align(8))]
19pub struct __BindgenOpaqueArray8<T>(pub T);
20impl<T: Copy + Default, const N: usize> Default for __BindgenOpaqueArray8<[T; N]> {
21    fn default() -> Self {
22        Self([<T as Default>::default(); N])
23    }
24}
25#[repr(C)]
26#[derive(Debug, Copy, Clone)]
27pub struct VmCompressor_PageAndMetadata {
28    pub page: *mut vm_page_t,
29    pub metadata: u32,
30    pub __bindgen_padding_0: [u8; 4usize],
31}
32#[repr(C)]
33#[derive(Debug, Copy, Clone)]
34pub struct VmCompressor_FailTag {
35    pub src_page: VmCompressor_PageAndMetadata,
36}
37#[repr(C)]
38#[derive(Debug, Copy, Clone)]
39pub struct VmCompressor_ZeroTag {
40    pub __bindgen_padding_0: u8,
41    pub _address: u8,
42}
43pub const VmCompressor_State_Ready: VmCompressor_State = 0;
44pub const VmCompressor_State_Started: VmCompressor_State = 1;
45pub const VmCompressor_State_Compressed: VmCompressor_State = 2;
46pub const VmCompressor_State_Finalized: VmCompressor_State = 3;
47pub type VmCompressor_State = ::core::ffi::c_int;
48pub const VmCowPagesOptions_kNone: VmCowPagesOptions = 0;
49pub const VmCowPagesOptions_kUserPagerBackedRoot: VmCowPagesOptions = 1;
50pub const VmCowPagesOptions_kPageSourceRoot: VmCowPagesOptions = 2;
51pub const VmCowPagesOptions_kCannotDecommitZeroPages: VmCowPagesOptions = 4;
52pub const VmCowPagesOptions_kHidden: VmCowPagesOptions = 8;
53pub const VmCowPagesOptions_kInternalOnlyMask: VmCowPagesOptions = 8;
54pub type VmCowPagesOptions = u32;
55#[repr(C)]
56#[derive(Debug, Copy, Clone)]
57pub struct VmCowRange {
58    pub offset: u64,
59    pub len: u64,
60}
61#[repr(C)]
62#[derive(Debug, Copy, Clone)]
63pub struct VmCowReclaimSuccess {
64    pub type_: VmCowReclaimSuccess_Type,
65    pub __bindgen_padding_0: [u8; 7usize],
66    pub num_pages: u64,
67    pub num_loaned_pages: u64,
68}
69#[repr(u8)]
70#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
71pub enum VmCowReclaimSuccess_Type {
72    Evict = 0,
73    Discard = 1,
74    Compress = 2,
75}
76#[repr(u8)]
77#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
78pub enum VmCowReclaimFailure {
79    EvictAccessed = 0,
80    CompressAccessed = 1,
81    CompressFailed = 2,
82    IncorrectPage = 3,
83    Other = 4,
84}
85#[repr(u8)]
86#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
87pub enum PageSourceType {
88    Anonymous = 0,
89    Contiguous = 1,
90    UserPager = 2,
91}
92unsafe extern "C" {
93    pub fn cpp_vm_cow_pages_free(arg1: *mut VmCowPages);
94}
95#[repr(C)]
96#[repr(align(8))]
97#[derive(Debug, Copy, Clone)]
98pub struct VmCowPages {
99    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 192usize]>,
100}
101#[repr(u8)]
102#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
103pub enum VmCowPages_DirtyState {
104    Untracked = 0,
105    Clean = 1,
106    Dirty = 2,
107    AwaitingClean = 3,
108    NumStates = 4,
109}
110#[repr(u8)]
111#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
112pub enum VmCowPages_CanOverwriteSlot {
113    Empty = 0,
114    EmptyOrParent = 1,
115    ZeroMarkerOrInterval = 2,
116    PageOrRef = 3,
117}
118#[repr(u8)]
119#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
120pub enum VmCowPages_EvictionAction {
121    FollowHint = 0,
122    IgnoreHint = 1,
123}
124#[repr(C)]
125#[derive(Debug, Copy, Clone)]
126pub struct VmCowPages_RootListTag {
127    pub __bindgen_padding_0: u8,
128    pub _address: u8,
129}
130#[repr(C)]
131#[derive(Debug, Copy, Clone)]
132pub struct VmCowPages_CurListTag {
133    pub __bindgen_padding_0: u8,
134    pub _address: u8,
135}
136#[repr(C)]
137#[derive(Debug)]
138pub struct VmCowPages_TreeWalkCursor {
139    _unused: [u8; 0],
140}
141pub const VmCowPages_LifeCycle_Init: VmCowPages_LifeCycle = 0;
142pub const VmCowPages_LifeCycle_Alive: VmCowPages_LifeCycle = 1;
143pub const VmCowPages_LifeCycle_Dying: VmCowPages_LifeCycle = 2;
144pub const VmCowPages_LifeCycle_Dead: VmCowPages_LifeCycle = 3;
145pub type VmCowPages_LifeCycle = u8;
146#[repr(C)]
147#[repr(align(8))]
148#[derive(Debug, Copy, Clone)]
149pub struct VmCowPages_DeferredOps {
150    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 112usize]>,
151}
152#[repr(C)]
153#[repr(align(8))]
154#[derive(Debug, Copy, Clone)]
155pub struct PriorityChanger {
156    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 152usize]>,
157}
158pub const PriorityChanger_PriorityChangerState_CONSTRUCTED: PriorityChanger_PriorityChangerState =
159    0;
160pub const PriorityChanger_PriorityChangerState_READY_TO_CHANGE:
161    PriorityChanger_PriorityChangerState = 1;
162pub const PriorityChanger_PriorityChangerState_DONE: PriorityChanger_PriorityChangerState = 2;
163pub type PriorityChanger_PriorityChangerState = u8;
164pub type cpp_vm_cow_pages_lookup_readable_fn = ::core::option::Option<
165    unsafe extern "C" fn(ctx: *mut ::core::ffi::c_void, offset: u64, paddr: u64) -> zx_status_t,
166>;
167unsafe extern "C" {
168    pub fn cpp_vm_cow_pages_replace_page_with_loaned(
169        cow: *mut VmCowPages,
170        before_page: *mut vm_page_t,
171        offset: u64,
172    ) -> zx_status_t;
173}
174unsafe extern "C" {
175    pub fn cpp_vm_cow_pages_get_ref_counted(cow: *const VmCowPages) -> *mut ::core::ffi::c_void;
176}
177unsafe extern "C" {
178    pub fn cpp_vm_cow_pages_initialize_page_cache(level: u32);
179}
180unsafe extern "C" {
181    pub fn cpp_vm_cow_pages_should_delay_reuse_on_free(cow: *const VmCowPages) -> PmmOptDelayReuse;
182}
183unsafe extern "C" {
184    pub fn cpp_vm_cow_pages_debug_get_parent(cow: *mut VmCowPages) -> *mut VmCowPages;
185}
186unsafe extern "C" {
187    pub fn cpp_vm_cow_pages_dedup_zero_page(
188        cow: *mut VmCowPages,
189        page: *mut vm_page_t,
190        offset: u64,
191    ) -> bool;
192}
193unsafe extern "C" {
194    pub fn cpp_vm_cow_pages_evict_loaned_page(
195        cow: *mut VmCowPages,
196        page: *mut vm_page_t,
197        offset: u64,
198    ) -> zx_status_t;
199}
200unsafe extern "C" {
201    pub fn cpp_vm_cow_pages_debug_get_page(cow: *const VmCowPages, offset: u64) -> *mut vm_page_t;
202}
203unsafe extern "C" {
204    pub fn cpp_vm_cow_pages_debug_is_empty(cow: *const VmCowPages, offset: u64) -> bool;
205}
206unsafe extern "C" {
207    pub fn cpp_vm_cow_pages_debug_is_high_memory_priority(cow: *const VmCowPages) -> bool;
208}
209unsafe extern "C" {
210    pub fn cpp_vm_cow_pages_debug_get_discardable_tracker(
211        cow: *const VmCowPages,
212    ) -> *mut DiscardableVmoTracker;
213}
214unsafe extern "C" {
215    pub fn cpp_vm_cow_pages_reclaim_page(
216        cow: *mut VmCowPages,
217        page: *mut vm_page_t,
218        offset: u64,
219        eviction_action: VmCowPages_EvictionAction,
220        compressor: *mut VmCompressor,
221        out_success: *mut VmCowReclaimSuccess,
222        out_failure: *mut VmCowReclaimFailure,
223    ) -> bool;
224}
225unsafe extern "C" {
226    pub fn cpp_vm_cow_pages_debug_lookup_readable(
227        cow: *mut VmCowPages,
228        range: VmCowRange,
229        ctx: *mut ::core::ffi::c_void,
230        callback: cpp_vm_cow_pages_lookup_readable_fn,
231    ) -> zx_status_t;
232}
233unsafe extern "C" {
234    pub fn cpp_vm_cow_pages_get_lock(cow: *const VmCowPages) -> *mut ::core::ffi::c_void;
235}
236unsafe extern "C" {
237    pub fn cpp_vm_cow_pages_deferred_ops_construct(ops: *mut u8, cow: *mut VmCowPages);
238}
239unsafe extern "C" {
240    pub fn cpp_vm_cow_pages_deferred_ops_destroy(ops: *mut VmCowPages_DeferredOps);
241}
242unsafe extern "C" {
243    pub fn cpp_vm_cow_pages_add_new_pages_locked(
244        cow: *mut VmCowPages,
245        start_offset: u64,
246        pages: *mut VmPageDoublyLinkedList,
247        overwrite: VmCowPages_CanOverwriteSlot,
248        zero: bool,
249        deferred: *mut VmCowPages_DeferredOps,
250    ) -> zx_status_t;
251}
252unsafe extern "C" {
253    pub fn cpp_vm_cow_pages_zero_pages_locked(
254        cow: *mut VmCowPages,
255        range: VmCowRange,
256        dirty_track: bool,
257        deferred: *mut VmCowPages_DeferredOps,
258        page_request: *mut MultiPageRequest,
259        out_zeroed_bytes: *mut u64,
260    ) -> zx_status_t;
261}
262unsafe extern "C" {
263    pub fn cpp_vm_cow_pages_debug_get_populated_slots_count(cow: *const VmCowPages) -> u32;
264}
265unsafe extern "C" {
266    pub fn cpp_vm_cow_pages_debug_is_parent_content(cow: *const VmCowPages, offset: u64) -> bool;
267}
268unsafe extern "C" {
269    pub fn cpp_vm_cow_pages_can_borrow(cow: *const VmCowPages) -> bool;
270}
271unsafe extern "C" {
272    pub fn cpp_vm_cow_pages_can_evict(cow: *const VmCowPages) -> bool;
273}
274unsafe extern "C" {
275    pub fn cpp_vm_cow_pages_is_discardable(cow: *const VmCowPages) -> bool;
276}
277unsafe extern "C" {
278    pub fn cpp_vm_cow_pages_upgrade_from_raw(cow: *mut VmCowPages) -> *mut VmCowPages;
279}
280unsafe extern "C" {
281    pub fn cpp_priority_changer_construct(out: *mut u8, cow: *mut VmCowPages, delta: i64);
282}
283unsafe extern "C" {
284    pub fn cpp_priority_changer_destroy(pc: *mut PriorityChanger);
285}
286unsafe extern "C" {
287    pub fn cpp_priority_changer_prepare_may_not_already_be_high_priority(pc: *mut PriorityChanger);
288}
289unsafe extern "C" {
290    pub fn cpp_priority_changer_prepare_is_already_high_priority_locked(pc: *mut PriorityChanger);
291}
292unsafe extern "C" {
293    pub fn cpp_priority_changer_change_high_priority_count_locked(pc: *mut PriorityChanger);
294}
295unsafe extern "C" {
296    pub fn cpp_priority_changer_lock(pc: *const PriorityChanger) -> *mut ::core::ffi::c_void;
297}
vm_cow_pages_bindings/vm_cow_pages_bindings.rs

vm_cow_pages_bindings/
vm_cow_pages_bindings.rs
