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linux/rust/kernel
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Filipe Xavier 0e62e4f3e5 rust: add impl_flags! macro for defining common bitflag operations 
We have seen a proliferation of `mod_whatever::foo::Flags` being
defined with essentially the same implementation for `BitAnd`, `BitOr`,
`.contains()` etc.

This macro aims to bring a solution for this, allowing to generate these
methods for user-defined structs.  With some use cases in KMS and upcoming
GPU drivers.

Link: https://rust-for-linux.zulipchat.com/#narrow/channel/288089-General/topic/We.20really.20need.20a.20common.20.60Flags.60.20type
Suggested-by: Daniel Almeida <daniel.almeida@collabora.com>
Suggested-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Tested-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Filipe Xavier <felipeaggger@gmail.com>
Link: https://patch.msgid.link/20260117-feat-add-bitmask-macro-v9-1-45ea1f00f846@gmail.com
[ Implemented missing `BitXorAssign<$flag> for $flags`. Sorted
  `impl`s. Removed prelude addition for now -- I asked the team and they
  also felt it wasn't needed. We can always add it later on if needed.
  Fixed intra-doc link (by removing the sentence since it was superfluous
  anyway). Simplified `empty()` title. Reworded commit slightly. Added
  docs to enum variants in example to avoid 'missing_docs' lint when used
  in actual code. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2026-02-02 08:09:11 +01:00
..
alloc rust: alloc: use kernel::fmt 2025-10-20 04:04:23 +02:00
block rust: block: update ARef and AlwaysRefCounted imports from sync::aref 2025-11-05 18:24:10 -07:00
debugfs rust: use consistent backtick formatting for NULL in docs 2026-01-26 03:13:27 +01:00
device rust: device: use kernel::{fmt,prelude::fmt!} 2025-09-16 09:26:59 +02:00
drm drm-next for 6.19-rc1: 2025-12-04 08:53:30 -08:00
fs rust: fs: add file::Offset type alias 2025-11-05 00:05:38 +01:00
io rust: io: add typedef for phys_addr_t 2025-11-13 20:17:24 +11:00
irq rust: irq: add &Device<Bound> argument to irq callbacks 2025-08-12 20:33:33 +02:00
list rust: list: remove nonexistent generic parameter in link 2025-07-20 19:29:19 +02:00
mm mm: introduce VMA flags bitmap type 2025-11-29 10:41:09 -08:00
net Networking changes for 6.18. 2025-10-02 15:17:01 -07:00
num rust: num: bounded: rename try_into_bitint to try_into_bounded 2025-11-24 16:38:23 +01:00
pci rust: pci: fix typos in Bar struct's comments 2026-01-06 20:58:43 +01:00
str rust: str: add radix prefixed integer parsing functions 2025-11-03 14:40:45 +01:00
sync rust: sync: atomic: separate import "blocks" 2025-12-06 08:44:10 -08:00
time rust: add udelay() function 2025-11-04 13:25:29 +01:00
.gitignore rust: Add warn_on macro 2025-07-23 02:05:58 +02:00
acpi.rs rust: acpi: replace core::mem::zeroed with pin_init::zeroed 2025-10-27 20:27:05 +01:00
alloc.rs Summary of significant series in this pull request: 2025-10-02 18:18:33 -07:00
auxiliary.rs rust: Add trait to convert a device reference to a bus device reference 2025-11-18 11:00:51 +13:00
bitmap.rs rust: bitmap: add BitmapVec::new_inline() 2025-11-26 11:25:35 -05:00
bits.rs rust: bits: add support for bits/genmask macros 2025-07-19 23:18:18 +02:00
block.rs rust: block: add block related constants 2025-09-02 05:23:56 -06:00
bug.rs rust: bug: Support DEBUG_BUGVERBOSE_DETAILED option 2026-01-30 05:18:17 +01:00
build_assert.rs rust: build_assert: add instructions for use with function arguments 2026-01-19 01:13:22 +01:00
clk.rs rust: clk: replace kernel::c_str! with C-Strings 2026-01-30 01:08:24 +01:00
configfs.rs rust: configfs: use CStr::as_char_ptr 2025-10-22 07:14:57 +02:00
cpu.rs rust: kernel: cpu: mark CpuId::current() inline 2025-09-14 23:58:45 +02:00
cpufreq.rs Merge 6.18-rc3 into driver-core-next 2025-10-27 08:02:50 +01:00
cpumask.rs rust: cpumask: Mark CpumaskVar as transparent 2025-08-14 09:55:47 +05:30
cred.rs Char/Misc/IIO/Binder changes for 6.18-rc1 2025-10-04 16:26:32 -07:00
debugfs.rs Driver core changes for 6.19-rc1 2025-12-05 21:29:02 -08:00
device.rs rust: device: Remove explicit import of CStrExt 2026-01-06 21:18:31 +01:00
device_id.rs rust: device_id: replace incorrect word in safety documentation 2025-12-29 14:09:18 +01:00
devres.rs Driver core changes for 6.19-rc1 2025-12-05 21:29:02 -08:00
dma.rs rust: dma: fix broken intra-doc links 2026-01-02 19:04:12 +01:00
driver.rs rust: driver: fix broken intra-doc links to example driver types 2025-12-30 23:22:41 +01:00
error.rs rust: replace CStr with core::ffi::CStr 2025-10-22 07:47:27 +02:00
faux.rs rust: faux: fix C header link 2025-08-13 17:40:28 +02:00
firmware.rs rust: firmware: replace kernel::c_str! with C-Strings 2025-11-17 00:53:47 +01:00
fmt.rs rust: support formatting of foreign types 2025-10-22 07:15:31 +02:00
fs.rs rust: fs: add Kiocb struct 2025-09-06 13:27:20 +02:00
generated_arch_reachable_asm.rs.S rust: Add warn_on macro 2025-07-23 02:05:58 +02:00
generated_arch_static_branch_asm.rs.S rust: jump_label: skip formatting generated file 2024-11-20 13:32:42 -05:00
generated_arch_warn_asm.rs.S rust: Add warn_on macro 2025-07-23 02:05:58 +02:00
i2c.rs rust: i2c: replace kernel::c_str! with C-Strings 2026-01-19 01:13:22 +01:00
id_pool.rs rust: id_pool: do not immediately acquire new ids 2025-12-02 14:17:09 -05:00
impl_flags.rs rust: add impl_flags! macro for defining common bitflag operations 2026-02-02 08:09:11 +01:00
init.rs rust: init: use #[default_error(err)] for the initializer macros 2026-01-17 10:51:42 +01:00
io.rs rust: io: add typedef for phys_addr_t 2025-11-13 20:17:24 +11:00
ioctl.rs rust: start using the #[expect(...)] attribute 2024-10-07 21:39:57 +02:00
iov.rs rust: iov: add iov_iter abstractions for ITER_DEST 2025-09-06 13:27:20 +02:00
irq.rs rust: irq: add support for threaded IRQs and handlers 2025-08-12 20:22:09 +02:00
jump_label.rs rust: jump_label: skip formatting generated file 2024-11-20 13:32:42 -05:00
kunit.rs rust: kunit: use pin_init::zeroed instead of custom null value 2026-01-28 13:44:17 +01:00
lib.rs rust: add impl_flags! macro for defining common bitflag operations 2026-02-02 08:09:11 +01:00
list.rs rust: list: add warning to List::remove docs about mem::take 2025-11-26 13:26:59 +01:00
maple_tree.rs rust: maple_tree: rcu_read_lock() in destructor to silence lockdep 2025-12-23 11:23:15 -08:00
miscdevice.rs Char/Misc/IIO/Binder changes for 6.18-rc1 2025-10-04 16:26:32 -07:00
mm.rs rust: mm: update ARef and AlwaysRefCounted imports from sync::aref 2025-09-13 16:55:15 -07:00
module_param.rs Modules changes for v6.19-rc1 2025-12-06 08:27:07 -08:00
net.rs rust: core abstractions for network PHY drivers 2023-12-15 09:35:50 +00:00
num.rs rust: num: add Bounded integer wrapping type 2025-11-19 00:22:24 +01:00
of.rs rust: of: use core::ffi::CStr method names 2025-09-16 09:26:59 +02:00
opp.rs Rust changes for v6.19 2025-12-03 14:16:49 -08:00
page.rs Char/Misc/IIO/Binder changes for 6.18-rc1 2025-10-04 16:26:32 -07:00
pci.rs rust: Add trait to convert a device reference to a bus device reference 2025-11-18 11:00:51 +13:00
pid_namespace.rs rust: pid_namespace: update AlwaysRefCounted imports from sync::aref 2025-08-19 13:08:41 +02:00
platform.rs rust: Add trait to convert a device reference to a bus device reference 2025-11-18 11:00:51 +13:00
prelude.rs drm-next for 6.19-rc1: 2025-12-04 08:53:30 -08:00
print.rs rust: print: Add pr_*_once macros 2026-01-30 05:47:05 +01:00
processor.rs rust: Add cpu_relax() helper 2025-08-21 16:58:07 +02:00
ptr.rs rust: ptr: replace unneeded use of build_assert 2026-01-19 01:13:22 +01:00
pwm.rs pwm: Fix Rust formatting 2025-11-13 10:21:01 +01:00
rbtree.rs rust: rbtree: reduce unsafe blocks on pointer derefs 2026-01-19 09:38:10 +01:00
regulator.rs rust: regulator: use CStr::as_char_ptr 2025-10-22 07:14:57 +02:00
revocable.rs Rust changes for v6.17 2025-08-03 13:49:10 -07:00
scatterlist.rs rust: scatterlist: import ResourceSize from kernel::io 2025-11-13 20:17:24 +11:00
security.rs rust_binder: add Rust Binder driver 2025-09-19 09:40:46 +02:00
seq_file.rs rust: replace CStr with core::ffi::CStr 2025-10-22 07:47:27 +02:00
sizes.rs rust: sizes: add constants up to SZ_2G 2025-06-23 18:12:30 +02:00
slice.rs rust: slice: fix broken intra-doc links 2025-11-20 10:13:35 +00:00
static_assert.rs rust: use absolute paths in macros referencing core and kernel 2025-05-23 00:12:14 +02:00
std_vendor.rs rust: convert raw URLs to Markdown autolinks in comments 2025-05-12 00:20:25 +02:00
str.rs Modules changes for v6.19-rc1 2025-12-06 08:27:07 -08:00
sync.rs Modules changes for v6.19-rc1 2025-12-06 08:27:07 -08:00
task.rs rust: task: update ARef and AlwaysRefCounted imports from sync::aref 2025-09-08 00:11:19 +02:00
time.rs rust: time: Implement basic arithmetic operations for Delta 2025-09-04 16:56:48 +02:00
tracepoint.rs rust: add tracepoint support 2024-11-04 16:21:44 -05:00
transmute.rs rust: transmute: implement FromBytes and AsBytes for inhabited ZSTs 2026-01-26 03:16:31 +01:00
types.rs rust: allow clippy::disallowed_names for doctests 2025-11-17 22:53:27 +01:00
uaccess.rs rust: uaccess: add UserSliceWriter::write_slice_file() 2025-11-05 00:35:37 +01:00
usb.rs rust: Add trait to convert a device reference to a bus device reference 2025-11-18 11:00:51 +13:00
workqueue.rs rust: pin-init: add pin projections to #[pin_data] 2025-09-11 23:26:20 +02:00
xarray.rs rust: types: add FOREIGN_ALIGN to ForeignOwnable 2025-07-14 23:55:24 +02:00