1 // SPDX-License-Identifier: GPL-2.0
66 ///     unsafe fn new(paddr: usize) -> Result<Self>{
88 ///    fn deref(&self) -> &Self::Target {
93 /// # fn no_run(dev: &Device<Bound>) -> Result<(), Error> {
106 /// `Self::inner` is guaranteed to be initialized and is always accessed read-only.
133     ) -> impl PinInit<Self, Error> + 'a  in new()
142             inner <- Opaque::pin_init(try_pin_init!(Inner {  in new()
143                     devm <- Completion::new(),  in new()
144                     revoke <- Completion::new(),  in new()
145                     data <- Revocable::new(data),  in new()
149             // [1] https://github.com/Rust-for-Linux/pin-init/pull/69  in new()
155                 // - `dev.as_raw()` is a pointer to a valid bound device.  in new()
156                 // - `inner` is guaranteed to be a valid for the duration of the lifetime of `Self`.  in new()
157                 // - `devm_add_action()` is guaranteed not to call `callback` until `this` has been  in new()
173     fn inner(&self) -> &Inner<T> {  in inner()
175         // accessed read-only.  in inner()
179     fn data(&self) -> &Revocable<T> {  in data()
189         // Ensure that `inner` can't be used anymore after we signal completion of this callback.  in devres_callback()
200     fn remove_action(&self) -> bool {  in remove_action()
202         // - `self.dev` is a valid `Device`,  in remove_action()
203         // - the `action` and `data` pointers are the exact same ones as given to  in remove_action()
215     pub fn device(&self) -> &Device {  in device()
235     /// fn from_core(dev: &pci::Device<Core>, devres: Devres<pci::Bar<0x4>>) -> Result {
247     pub fn access<'a>(&'a self, dev: &'a Device<Bound>) -> Result<&'a T> {  in access()
259     pub fn try_access(&self) -> Option<RevocableGuard<'_, T>> {  in try_access()
264     pub fn try_access_with<R, F: FnOnce(&T) -> R>(&self, f: F) -> Option<R> {  in try_access_with()
269     pub fn try_access_with_guard<'a>(&'a self, guard: &'a rcu::Guard) -> Option<&'a T> {  in try_access_with_guard()
270         self.data().try_access_with_guard(guard)  in try_access_with_guard()
289                 // hence signal that `self.data` has been revoked by us successfully.  in drop()
309 fn register_foreign<P>(dev: &Device<Bound>, data: P) -> Result  in register_foreign()
322     // - `dev.as_raw()` is a pointer to a valid and bound device.  in register_foreign()
323     // - `ptr` is a valid pointer the `ForeignOwnable` devres takes ownership of.  in register_foreign()
342 ///     fn new() -> Self {
355 /// fn from_bound_context(dev: &Device<Bound>) -> Result {
359 pub fn register<T, E>(dev: &Device<Bound>, data: impl PinInit<T, E>, flags: Flags) -> Result  in register()