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 struct pci_dev;
9 struct resource;
10
11 enum intel_vsec_quirks {
12 /* Watcher feature not supported */
13 VSEC_QUIRK_NO_WATCHER = BIT(0),
14
15 /* Crashlog feature not supported */
16 VSEC_QUIRK_NO_CRASHLOG = BIT(1),
17
18 /* Use shift instead of mask to read discovery table offset */
19 VSEC_QUIRK_TABLE_SHIFT = BIT(2),
20
21 /* DVSEC not present (provided in driver data) */
22 VSEC_QUIRK_NO_DVSEC = BIT(3),
23
24 /* Platforms requiring quirk in the auxiliary driver */
25 VSEC_QUIRK_EARLY_HW = BIT(4),
26 };
27
28 /* Platform specific data */
29 struct intel_vsec_platform_info {
30 struct intel_vsec_header **capabilities;
31 unsigned long quirks;
32 };
33
34 struct intel_vsec_device {
35 struct auxiliary_device auxdev;
36 struct pci_dev *pcidev;
37 struct resource *resource;
38 struct ida *ida;
39 struct intel_vsec_platform_info *info;
40 int num_resources;
41 int id; /* xa */
42 void *priv_data;
43 size_t priv_data_size;
44 };
45
46 int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
47 struct intel_vsec_device *intel_vsec_dev,
48 const char *name);
49
dev_to_ivdev(struct device * dev)50 static inline struct intel_vsec_device *dev_to_ivdev(struct device *dev)
51 {
52 return container_of(dev, struct intel_vsec_device, auxdev.dev);
53 }
54
auxdev_to_ivdev(struct auxiliary_device * auxdev)55 static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device *auxdev)
56 {
57 return container_of(auxdev, struct intel_vsec_device, auxdev);
58 }
59 #endif
60