Add a few block subsystem constants to the rust `kernel::block` name space.
This makes it easier to access the constants from rust code.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
---
 rust/kernel/block.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/rust/kernel/block.rs b/rust/kernel/block.rs
index 150f710efe5b..32c8d865afb6 100644
--- a/rust/kernel/block.rs
+++ b/rust/kernel/block.rs
@@ -3,3 +3,16 @@
 //! Types for working with the block layer.
 
 pub mod mq;
+
+/// Bit mask for masking out [`SECTOR_SIZE`].
+pub const SECTOR_MASK: u32 = bindings::SECTOR_MASK;
+
+/// Sectors are size `1 << SECTOR_SHIFT`.
+pub const SECTOR_SHIFT: u32 = bindings::SECTOR_SHIFT;
+
+/// Size of a sector.
+pub const SECTOR_SIZE: u32 = bindings::SECTOR_SIZE;
+
+/// The difference between the size of a page and the size of a sector,
+/// expressed as a power of two.
+pub const PAGE_SECTORS_SHIFT: u32 = bindings::PAGE_SECTORS_SHIFT;

-- 
2.47.2