xref: /linux/rust/helpers/pci.c (revision 593e0b22340c3b6aa19c0fa3c466b0809a7ba0d1)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 #include <linux/pci.h>
4 
5 __rust_helper u16 rust_helper_pci_dev_id(struct pci_dev *dev)
6 {
7 	return PCI_DEVID(dev->bus->number, dev->devfn);
8 }
9 
10 __rust_helper resource_size_t
11 rust_helper_pci_resource_start(struct pci_dev *pdev, int bar)
12 {
13 	return pci_resource_start(pdev, bar);
14 }
15 
16 __rust_helper resource_size_t rust_helper_pci_resource_len(struct pci_dev *pdev,
17 							   int bar)
18 {
19 	return pci_resource_len(pdev, bar);
20 }
21 
22 __rust_helper bool rust_helper_dev_is_pci(const struct device *dev)
23 {
24 	return dev_is_pci(dev);
25 }
26 
27 #ifndef CONFIG_PCI_MSI
28 __rust_helper int rust_helper_pci_alloc_irq_vectors(struct pci_dev *dev,
29 						    unsigned int min_vecs,
30 						    unsigned int max_vecs,
31 						    unsigned int flags)
32 {
33 	return pci_alloc_irq_vectors(dev, min_vecs, max_vecs, flags);
34 }
35 
36 __rust_helper void rust_helper_pci_free_irq_vectors(struct pci_dev *dev)
37 {
38 	pci_free_irq_vectors(dev);
39 }
40 
41 __rust_helper int rust_helper_pci_irq_vector(struct pci_dev *pdev,
42 					     unsigned int nvec)
43 {
44 	return pci_irq_vector(pdev, nvec);
45 }
46 #endif
47