diff options
| author | Alistair Popple <apopple@nvidia.com> | 2025-07-30 11:34:17 +1000 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2025-08-15 20:25:42 +0200 |
| commit | b6a37d1d4694111895248b771513153ccace606a (patch) | |
| tree | f11fd86f14370ff09bc7b61fa71a137caa5e68a6 /rust/helpers/pci.c | |
| parent | cd58b0b11d2160b174f82b71eb3847457aedaeca (diff) | |
rust: Add several miscellaneous PCI helpers
Add bindings to obtain a PCI device's resource start address, bus/
device function, revision ID and subsystem device and vendor IDs.
These will be used by the nova-core GPU driver which is currently in
development.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Krzysztof Wilczyński <kwilczynski@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Gary Guo <gary@garyguo.net>
Cc: Björn Roy Baron <bjorn3_gh@protonmail.com>
Cc: Benno Lossin <lossin@kernel.org>
Cc: Andreas Hindborg <a.hindborg@kernel.org>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Trevor Gross <tmgross@umich.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Link: https://lore.kernel.org/r/20250730013417.640593-2-apopple@nvidia.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'rust/helpers/pci.c')
| -rw-r--r-- | rust/helpers/pci.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/rust/helpers/pci.c b/rust/helpers/pci.c index 5bf56004478c..fb814572b236 100644 --- a/rust/helpers/pci.c +++ b/rust/helpers/pci.c @@ -2,6 +2,16 @@ #include <linux/pci.h> +u16 rust_helper_pci_dev_id(struct pci_dev *dev) +{ + return PCI_DEVID(dev->bus->number, dev->devfn); +} + +resource_size_t rust_helper_pci_resource_start(struct pci_dev *pdev, int bar) +{ + return pci_resource_start(pdev, bar); +} + resource_size_t rust_helper_pci_resource_len(struct pci_dev *pdev, int bar) { return pci_resource_len(pdev, bar); |