drm_ras.h

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2026 Intel Corporation
 */
 
#ifndef __DRM_RAS_H__
#define __DRM_RAS_H__
 
#include <linux/types.h>
 
#include <uapi/drm/drm_ras.h>
 
struct drm_ras_node {
    u32 id;
    const char *device_name;
    const char *node_name;
    enum drm_ras_node_type type;
 
    /* Error-Counter Related Callback and Variables */
 
    struct {
        u32 first;
        u32 last;
    } error_counter_range;
 
    int (*query_error_counter)(struct drm_ras_node *node, u32 error_id,
                   const char **name, u32 *val);
 
    int (*clear_error_counter)(struct drm_ras_node *node, u32 error_id);
 
    void *priv;
};
 
struct drm_device;
 
#if IS_ENABLED(CONFIG_DRM_RAS)
int drm_ras_node_register(struct drm_ras_node *node);
void drm_ras_node_unregister(struct drm_ras_node *node);
#else
static inline int drm_ras_node_register(struct drm_ras_node *node) { return 0; }
static inline void drm_ras_node_unregister(struct drm_ras_node *node) { }
#endif
 
#endif