acrn-kernel/drivers/platform/x86/intel/vsec.h

60 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _VSEC_H
#define _VSEC_H
#include <linux/auxiliary_bus.h>
#include <linux/bits.h>
struct pci_dev;
struct resource;
enum intel_vsec_quirks {
/* Watcher feature not supported */
VSEC_QUIRK_NO_WATCHER = BIT(0),
/* Crashlog feature not supported */
VSEC_QUIRK_NO_CRASHLOG = BIT(1),
/* Use shift instead of mask to read discovery table offset */
VSEC_QUIRK_TABLE_SHIFT = BIT(2),
/* DVSEC not present (provided in driver data) */
VSEC_QUIRK_NO_DVSEC = BIT(3),
/* Platforms requiring quirk in the auxiliary driver */
VSEC_QUIRK_EARLY_HW = BIT(4),
};
/* Platform specific data */
struct intel_vsec_platform_info {
struct intel_vsec_header **capabilities;
unsigned long quirks;
};
struct intel_vsec_device {
struct auxiliary_device auxdev;
struct pci_dev *pcidev;
struct resource *resource;
struct ida *ida;
struct intel_vsec_platform_info *info;
int num_resources;
int id; /* xa */
void *priv_data;
size_t priv_data_size;
};
int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
struct intel_vsec_device *intel_vsec_dev,
const char *name);
static inline struct intel_vsec_device *dev_to_ivdev(struct device *dev)
{
return container_of(dev, struct intel_vsec_device, auxdev.dev);
}
static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device *auxdev)
{
return container_of(auxdev, struct intel_vsec_device, auxdev);
}
#endif