summaryrefslogtreecommitdiffstats
path: root/include/linux/pci-ats.h
blob: 7c4b8e27268c7455c9f13234d0d2790dfb46dfc4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_PCI_ATS_H
#define LINUX_PCI_ATS_H

#include <linux/pci.h>

#ifdef CONFIG_PCI_PRI

int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
void pci_disable_pri(struct pci_dev *pdev);
void pci_restore_pri_state(struct pci_dev *pdev);
int pci_reset_pri(struct pci_dev *pdev);

#else /* CONFIG_PCI_PRI */

static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
{
	return -ENODEV;
}

static inline void pci_disable_pri(struct pci_dev *pdev)
{
}

static inline void pci_restore_pri_state(struct pci_dev *pdev)
{
}

static inline int pci_reset_pri(struct pci_dev *pdev)
{
	return -ENODEV;
}

#endif /* CONFIG_PCI_PRI */

#ifdef CONFIG_PCI_PASID

int pci_enable_pasid(struct pci_dev *pdev, int features);
void pci_disable_pasid(struct pci_dev *pdev);
void pci_restore_pasid_state(struct pci_dev *pdev);
int pci_pasid_features(struct pci_dev *pdev);
int pci_max_pasids(struct pci_dev *pdev);

#else  /* CONFIG_PCI_PASID */

static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
{
	return -EINVAL;
}

static inline void pci_disable_pasid(struct pci_dev *pdev)
{
}

static inline void pci_restore_pasid_state(struct pci_dev *pdev)
{
}

static inline int pci_pasid_features(struct pci_dev *pdev)
{
	return -EINVAL;
}

static inline int pci_max_pasids(struct pci_dev *pdev)
{
	return -EINVAL;
}

#endif /* CONFIG_PCI_PASID */


#endif /* LINUX_PCI_ATS_H*/
OpenPOWER on IntegriCloud