linux-kernel - error[E0425]: cannot find function `dma_map

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Message-ID: <202512010734.GAsaWH7b-lkp@intel.com>
Date: Mon, 1 Dec 2025 07:22:40 +0800
From: kernel test robot <lkp@...el.com>
To: Danilo Krummrich <dakr@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Alice Ryhl <aliceryhl@...gle.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	Daniel Almeida <daniel.almeida@...labora.com>,
	Lyude Paul <lyude@...hat.com>,
	Abdiel Janulgue <abdiel.janulgue@...il.com>
Subject: error[E0425]: cannot find function `dma_map_sgtable` in crate
 `bindings`

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e69c7c175115c51c7f95394fc55425a395b3af59
commit: 05aa6fb1c21d7fb9df735da24096d793223789d5 rust: scatterlist: Add abstraction for sg_table
date:   3 months ago
config: um-randconfig-r054-20251201 (https://download.01.org/0day-ci/archive/20251201/202512010734.GAsaWH7b-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project b3428bb966f1de8aa48375ffee0eba04ede133b7)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251201/202512010734.GAsaWH7b-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512010734.GAsaWH7b-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0425]: cannot find function `dma_map_sgtable` in crate `bindings`
   --> rust/kernel/scatterlist.rs:212:23
   |
   212 |               bindings::dma_map_sgtable(dev.as_raw(), sgt.as_ptr(), dir.into(), 0)
   |                         ^^^^^^^^^^^^^^^ help: a function with a similar name exists: `dma_unmap_sgtable`
   |
   ::: rust/bindings/bindings_helpers_generated.rs:465:5
   |
   465 | /     pub fn dma_unmap_sgtable(
   466 | |         dev: *mut device,
   467 | |         sgt: *mut sg_table,
   468 | |         dir: dma_data_direction,
   469 | |         attrs: ffi::c_ulong,
   470 | |     );
   | |______- similarly named function `dma_unmap_sgtable` defined here
--
>> error[E0425]: cannot find function `dma_max_mapping_size` in crate `bindings`
   --> rust/kernel/scatterlist.rs:356:52
   |
   356 |         let max_segment = match unsafe { bindings::dma_max_mapping_size(dev.as_raw()) } {
   |                                                    ^^^^^^^^^^^^^^^^^^^^ not found in `bindings`

-- 
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https://github.com/intel/lkp-tests/wiki