Lines Matching defs:sgt

181 /// - `sgt` is a valid pointer to a `struct sg_table` for the entire lifetime of the
183 /// - `sgt` is always DMA mapped.
185     sgt: NonNull<bindings::sg_table>,
199     /// - `sgt` must be a valid pointer to a `struct sg_table` for the entire lifetime of the
201     /// - The caller must guarantee that `sgt` remains DMA mapped for the entire lifetime of
204         sgt: NonNull<bindings::sg_table>,
211         // - `sgt` is a valid pointer to a `struct sg_table`.
213             bindings::dma_map_sgtable(dev.as_raw(), sgt.as_ptr(), dir.into(), 0)
216         // INVARIANT: By the safety requirements of this function it is guaranteed that `sgt` is
219             sgt,
232         // - `self.sgt.as_ptr()` is a valid pointer to a `struct sg_table` by the type invariants
237             bindings::dma_unmap_sgtable(self.dev.as_raw(), self.sgt.as_ptr(), self.dir.into(), 0)
273         let sgt = Opaque::zeroed();
275         // - `sgt.get()` is a valid pointer to uninitialized memory.
279                 sgt.get(),
289         Ok(Self(sgt))
301         // SAFETY: `sgt` is a valid and initialized `struct sg_table`.
311 /// - The `struct sg_table` allocation (`sgt`).
322     sgt: RawSGTable,
367             sgt: unsafe { RawSGTable::new(&mut page_vec, size, max_segment, flags) }?,
370                 let sgt = unsafe { &raw mut (*this.as_ptr()).sgt }.cast();
372                 // SAFETY: `sgt` is guaranteed to be non-null.
373                 let sgt = unsafe { NonNull::new_unchecked(sgt) };
377                 //   `sgt`.
378                 // - `sgt` is never DMA unmapped manually.
379                 Devres::new(dev, unsafe { DmaMappedSgt::new(sgt, dev, dir) })
422     ///     let sgt = KBox::pin_init(SGTable::new(
450         // - `self.inner.sgt.as_raw()` is a valid pointer to a `struct sg_table` for the entire
453         unsafe { SGTable::from_raw(self.inner.sgt.as_raw()) }