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]
10use anonymous_page_request_bindings::AnonymousPageRequest;
11pub use compressor_bindings::VmCompressor;
12use page_bindings::vm_page_t;
13use page_source_bindings::MultiPageRequest;
14pub use pmm_bindings::{PmmOptDelayReuse, VmPageDoublyLinkedList};
15pub use vm_object_bindings::SupplyOptions;
16use vm_page_list_bindings::VmPageSpliceList;
17use zx_types::zx_status_t;
18
19#[derive(PartialEq, Eq, Copy, Clone, Debug, Hash)]
20#[repr(C, align(8))]
21pub struct __BindgenOpaqueArray8<T>(pub T);
22impl<T: Copy + Default, const N: usize> Default for __BindgenOpaqueArray8<[T; N]> {
23    fn default() -> Self {
24        Self([<T as Default>::default(); N])
25    }
26}
27pub const VmCowPagesOptions_kNone: VmCowPagesOptions = 0;
28pub const VmCowPagesOptions_kUserPagerBackedRoot: VmCowPagesOptions = 1;
29pub const VmCowPagesOptions_kPageSourceRoot: VmCowPagesOptions = 2;
30pub const VmCowPagesOptions_kCannotDecommitZeroPages: VmCowPagesOptions = 4;
31pub const VmCowPagesOptions_kHidden: VmCowPagesOptions = 8;
32pub const VmCowPagesOptions_kInternalOnlyMask: VmCowPagesOptions = 8;
33pub type VmCowPagesOptions = u32;
34#[repr(C)]
35#[derive(Debug, Copy, Clone)]
36pub struct VmCowRange {
37    pub offset: u64,
38    pub len: u64,
39}
40#[repr(C)]
41#[derive(Debug, Copy, Clone)]
42pub struct VmCowReclaimSuccess {
43    pub type_: VmCowReclaimSuccess_Type,
44    pub __bindgen_padding_0: [u8; 7usize],
45    pub num_pages: u64,
46    pub num_loaned_pages: u64,
47}
48#[repr(u8)]
49#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
50pub enum VmCowReclaimSuccess_Type {
51    Evict = 0,
52    Discard = 1,
53    Compress = 2,
54}
55#[repr(u8)]
56#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
57pub enum VmCowReclaimFailure {
58    EvictAccessed = 0,
59    CompressAccessed = 1,
60    CompressFailed = 2,
61    IncorrectPage = 3,
62    Other = 4,
63}
64#[repr(u8)]
65#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
66pub enum PageSourceType {
67    Anonymous = 0,
68    Contiguous = 1,
69    UserPager = 2,
70}
71unsafe extern "C" {
72    pub fn cpp_vm_cow_pages_free(arg1: *mut VmCowPages);
73}
74#[repr(C)]
75#[repr(align(8))]
76#[derive(Debug, Copy, Clone)]
77pub struct VmCowPages {
78    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 192usize]>,
79}
80#[repr(u8)]
81#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
82pub enum VmCowPages_DirtyState {
83    Untracked = 0,
84    Clean = 1,
85    Dirty = 2,
86    AwaitingClean = 3,
87    NumStates = 4,
88}
89#[repr(u8)]
90#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
91pub enum VmCowPages_CanOverwriteSlot {
92    Empty = 0,
93    EmptyOrParent = 1,
94    ZeroMarkerOrInterval = 2,
95    PageOrRef = 3,
96}
97#[repr(u8)]
98#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
99pub enum VmCowPages_EvictionAction {
100    FollowHint = 0,
101    IgnoreHint = 1,
102}
103#[repr(C)]
104#[derive(Debug, Copy, Clone)]
105pub struct VmCowPages_DiscardablePageCounts {
106    pub locked: u64,
107    pub unlocked: u64,
108}
109#[repr(C)]
110#[derive(Debug, Copy, Clone)]
111pub struct VmCowPages_RootListTag {
112    pub __bindgen_padding_0: u8,
113    pub _address: u8,
114}
115#[repr(C)]
116#[derive(Debug, Copy, Clone)]
117pub struct VmCowPages_CurListTag {
118    pub __bindgen_padding_0: u8,
119    pub _address: u8,
120}
121#[repr(C)]
122#[derive(Debug)]
123pub struct VmCowPages_TreeWalkCursor {
124    _unused: [u8; 0],
125}
126pub const VmCowPages_LifeCycle_Init: VmCowPages_LifeCycle = 0;
127pub const VmCowPages_LifeCycle_Alive: VmCowPages_LifeCycle = 1;
128pub const VmCowPages_LifeCycle_Dying: VmCowPages_LifeCycle = 2;
129pub const VmCowPages_LifeCycle_Dead: VmCowPages_LifeCycle = 3;
130pub type VmCowPages_LifeCycle = u8;
131#[repr(C)]
132#[repr(align(8))]
133#[derive(Debug, Copy, Clone)]
134pub struct VmCowPages_DeferredOps {
135    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 112usize]>,
136}
137#[repr(C)]
138#[repr(align(8))]
139#[derive(Debug, Copy, Clone)]
140pub struct PriorityChanger {
141    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 152usize]>,
142}
143pub const PriorityChanger_PriorityChangerState_CONSTRUCTED: PriorityChanger_PriorityChangerState =
144    0;
145pub const PriorityChanger_PriorityChangerState_READY_TO_CHANGE:
146    PriorityChanger_PriorityChangerState = 1;
147pub const PriorityChanger_PriorityChangerState_DONE: PriorityChanger_PriorityChangerState = 2;
148pub type PriorityChanger_PriorityChangerState = u8;
149#[repr(C)]
150#[repr(align(8))]
151#[derive(Debug, Copy, Clone)]
152pub struct DiscardableVmoTracker {
153    pub _bindgen_opaque_blob: __BindgenOpaqueArray8<[u8; 48usize]>,
154}
155pub const DiscardableVmoTracker_DiscardableState_kUnset: DiscardableVmoTracker_DiscardableState = 0;
156pub const DiscardableVmoTracker_DiscardableState_kReclaimable:
157    DiscardableVmoTracker_DiscardableState = 1;
158pub const DiscardableVmoTracker_DiscardableState_kUnreclaimable:
159    DiscardableVmoTracker_DiscardableState = 2;
160pub const DiscardableVmoTracker_DiscardableState_kDiscarded:
161    DiscardableVmoTracker_DiscardableState = 3;
162pub type DiscardableVmoTracker_DiscardableState = u8;
163pub type DiscardableVmoTracker_DiscardablePageCounts = VmCowPages_DiscardablePageCounts;
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_replace_page(
176        cow: *mut VmCowPages,
177        before_page: *mut vm_page_t,
178        offset: u64,
179        with_loaned: bool,
180        after_page: *mut *mut vm_page_t,
181        page_request: *mut AnonymousPageRequest,
182    ) -> zx_status_t;
183}
184unsafe extern "C" {
185    pub fn cpp_vm_cow_pages_get_ref_counted(cow: *const VmCowPages) -> *mut ::core::ffi::c_void;
186}
187unsafe extern "C" {
188    pub fn cpp_vm_cow_pages_initialize_page_cache(level: u32);
189}
190unsafe extern "C" {
191    pub fn cpp_vm_cow_pages_should_delay_reuse_on_free(cow: *const VmCowPages) -> PmmOptDelayReuse;
192}
193unsafe extern "C" {
194    pub fn cpp_vm_cow_pages_debug_get_parent(cow: *mut VmCowPages) -> *mut VmCowPages;
195}
196unsafe extern "C" {
197    pub fn cpp_vm_cow_pages_dedup_zero_page(
198        cow: *mut VmCowPages,
199        page: *mut vm_page_t,
200        offset: u64,
201    ) -> bool;
202}
203unsafe extern "C" {
204    pub fn cpp_vm_cow_pages_evict_loaned_page(
205        cow: *mut VmCowPages,
206        page: *mut vm_page_t,
207        offset: u64,
208    ) -> zx_status_t;
209}
210unsafe extern "C" {
211    pub fn cpp_vm_cow_pages_debug_get_page(cow: *const VmCowPages, offset: u64) -> *mut vm_page_t;
212}
213unsafe extern "C" {
214    pub fn cpp_vm_cow_pages_debug_is_empty(cow: *const VmCowPages, offset: u64) -> bool;
215}
216unsafe extern "C" {
217    pub fn cpp_vm_cow_pages_debug_is_page(cow: *const VmCowPages, offset: u64) -> bool;
218}
219unsafe extern "C" {
220    pub fn cpp_vm_cow_pages_debug_is_high_memory_priority(cow: *const VmCowPages) -> bool;
221}
222unsafe extern "C" {
223    pub fn cpp_vm_cow_pages_lock_is_held(cow: *const VmCowPages) -> bool;
224}
225unsafe extern "C" {
226    pub fn cpp_vm_cow_pages_debug_get_discardable_tracker(
227        cow: *const VmCowPages,
228    ) -> *mut DiscardableVmoTracker;
229}
230unsafe extern "C" {
231    pub fn cpp_vm_cow_pages_reclaim_page(
232        cow: *mut VmCowPages,
233        page: *mut vm_page_t,
234        offset: u64,
235        eviction_action: VmCowPages_EvictionAction,
236        compressor: *mut VmCompressor,
237        out_success: *mut VmCowReclaimSuccess,
238        out_failure: *mut VmCowReclaimFailure,
239    ) -> bool;
240}
241unsafe extern "C" {
242    pub fn cpp_vm_cow_pages_debug_lookup_readable(
243        cow: *mut VmCowPages,
244        range: VmCowRange,
245        ctx: *mut ::core::ffi::c_void,
246        callback: cpp_vm_cow_pages_lookup_readable_fn,
247    ) -> zx_status_t;
248}
249unsafe extern "C" {
250    pub fn cpp_vm_cow_pages_get_lock(cow: *const VmCowPages) -> *mut ::core::ffi::c_void;
251}
252unsafe extern "C" {
253    pub fn cpp_vm_cow_pages_deferred_ops_construct(ops: *mut u8, cow: *mut VmCowPages);
254}
255unsafe extern "C" {
256    pub fn cpp_vm_cow_pages_deferred_ops_destroy(ops: *mut VmCowPages_DeferredOps);
257}
258unsafe extern "C" {
259    pub fn cpp_vm_cow_pages_add_new_pages_locked(
260        cow: *mut VmCowPages,
261        start_offset: u64,
262        pages: *mut VmPageDoublyLinkedList,
263        overwrite: VmCowPages_CanOverwriteSlot,
264        zero: bool,
265        deferred: *mut VmCowPages_DeferredOps,
266    ) -> zx_status_t;
267}
268unsafe extern "C" {
269    pub fn cpp_vm_cow_pages_zero_pages_locked(
270        cow: *mut VmCowPages,
271        range: VmCowRange,
272        dirty_track: bool,
273        deferred: *mut VmCowPages_DeferredOps,
274        page_request: *mut MultiPageRequest,
275        out_zeroed_bytes: *mut u64,
276    ) -> zx_status_t;
277}
278unsafe extern "C" {
279    pub fn cpp_vm_cow_pages_supply_pages_locked(
280        cow: *mut VmCowPages,
281        range: VmCowRange,
282        pages: *mut VmPageSpliceList,
283        options: SupplyOptions,
284        deferred: *mut VmCowPages_DeferredOps,
285        page_request: *mut MultiPageRequest,
286    ) -> zx_status_t;
287}
288unsafe extern "C" {
289    pub fn cpp_vm_cow_pages_debug_get_populated_slots_count(cow: *const VmCowPages) -> u32;
290}
291unsafe extern "C" {
292    pub fn cpp_vm_cow_pages_debug_is_parent_content(cow: *const VmCowPages, offset: u64) -> bool;
293}
294unsafe extern "C" {
295    pub fn cpp_vm_cow_pages_can_borrow(cow: *const VmCowPages) -> bool;
296}
297unsafe extern "C" {
298    pub fn cpp_vm_cow_pages_can_evict(cow: *const VmCowPages) -> bool;
299}
300unsafe extern "C" {
301    pub fn cpp_vm_cow_pages_is_discardable(cow: *const VmCowPages) -> bool;
302}
303unsafe extern "C" {
304    pub fn cpp_vm_cow_pages_upgrade_from_raw(cow: *mut VmCowPages) -> *mut VmCowPages;
305}
306unsafe extern "C" {
307    pub fn cpp_vm_cow_pages_debug_get_discardable_page_counts(
308        cow: *const VmCowPages,
309        out_counts: *mut VmCowPages_DiscardablePageCounts,
310    );
311}
312unsafe extern "C" {
313    pub fn cpp_priority_changer_construct(out: *mut u8, cow: *mut VmCowPages, delta: i64);
314}
315unsafe extern "C" {
316    pub fn cpp_priority_changer_destroy(pc: *mut PriorityChanger);
317}
318unsafe extern "C" {
319    pub fn cpp_priority_changer_prepare_may_not_already_be_high_priority(pc: *mut PriorityChanger);
320}
321unsafe extern "C" {
322    pub fn cpp_priority_changer_prepare_is_already_high_priority_locked(pc: *mut PriorityChanger);
323}
324unsafe extern "C" {
325    pub fn cpp_priority_changer_change_high_priority_count_locked(pc: *mut PriorityChanger);
326}
327unsafe extern "C" {
328    pub fn cpp_priority_changer_lock(pc: *const PriorityChanger) -> *mut ::core::ffi::c_void;
329}
vm_cow_pages_bindings/vm_cow_pages_bindings.rs

vm_cow_pages_bindings/
vm_cow_pages_bindings.rs
