1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _VSEC_H
3#define _VSEC_H
4
5#include <linux/auxiliary_bus.h>
6#include <linux/bits.h>
7
8#define VSEC_CAP_TELEMETRY	BIT(0)
9#define VSEC_CAP_WATCHER	BIT(1)
10#define VSEC_CAP_CRASHLOG	BIT(2)
11#define VSEC_CAP_SDSI		BIT(3)
12#define VSEC_CAP_TPMI		BIT(4)
13
14struct pci_dev;
15struct resource;
16
17enum intel_vsec_quirks {
18	/* Watcher feature not supported */
19	VSEC_QUIRK_NO_WATCHER	= BIT(0),
20
21	/* Crashlog feature not supported */
22	VSEC_QUIRK_NO_CRASHLOG	= BIT(1),
23
24	/* Use shift instead of mask to read discovery table offset */
25	VSEC_QUIRK_TABLE_SHIFT	= BIT(2),
26
27	/* DVSEC not present (provided in driver data) */
28	VSEC_QUIRK_NO_DVSEC	= BIT(3),
29
30	/* Platforms requiring quirk in the auxiliary driver */
31	VSEC_QUIRK_EARLY_HW     = BIT(4),
32};
33
34/* Platform specific data */
35struct intel_vsec_platform_info {
36	struct intel_vsec_header **headers;
37	unsigned long caps;
38	unsigned long quirks;
39};
40
41struct intel_vsec_device {
42	struct auxiliary_device auxdev;
43	struct pci_dev *pcidev;
44	struct resource *resource;
45	struct ida *ida;
46	struct intel_vsec_platform_info *info;
47	int num_resources;
48	int id; /* xa */
49	void *priv_data;
50	size_t priv_data_size;
51};
52
53int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
54		       struct intel_vsec_device *intel_vsec_dev,
55		       const char *name);
56
57static inline struct intel_vsec_device *dev_to_ivdev(struct device *dev)
58{
59	return container_of(dev, struct intel_vsec_device, auxdev.dev);
60}
61
62static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device *auxdev)
63{
64	return container_of(auxdev, struct intel_vsec_device, auxdev);
65}
66#endif
67