tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 void *priv_data;
49 size_t priv_data_size;
50};
51
52int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
53 struct intel_vsec_device *intel_vsec_dev,
54 const char *name);
55
56static inline struct intel_vsec_device *dev_to_ivdev(struct device *dev)
57{
58 return container_of(dev, struct intel_vsec_device, auxdev.dev);
59}
60
61static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device *auxdev)
62{
63 return container_of(auxdev, struct intel_vsec_device, auxdev);
64}
65#endif