diff options
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_gem.h')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_gem.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h index 7516b7ecf7fe..8de3e76f2717 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.h +++ b/drivers/gpu/drm/panfrost/panfrost_gem.h @@ -8,6 +8,46 @@ #include <drm/drm_mm.h> struct panfrost_mmu; +struct panfrost_device; + +#define PANFROST_BO_LABEL_MAXLEN 4096 + +enum panfrost_debugfs_gem_state_flags { + /** @PANFROST_DEBUGFS_GEM_STATE_FLAG_IMPORTED: GEM BO is PRIME imported. */ + PANFROST_DEBUGFS_GEM_STATE_FLAG_IMPORTED = BIT(0), + + /** @PANFROST_DEBUGFS_GEM_STATE_FLAG_EXPORTED: GEM BO is PRIME exported. */ + PANFROST_DEBUGFS_GEM_STATE_FLAG_EXPORTED = BIT(1), + + /** @PANFROST_DEBUGFS_GEM_STATE_FLAG_PURGED: GEM BO was reclaimed by the shrinker. */ + PANFROST_DEBUGFS_GEM_STATE_FLAG_PURGED = BIT(2), + + /** + * @PANFROST_DEBUGFS_GEM_STATE_FLAG_PURGEABLE: GEM BO pages were marked as no longer + * needed by UM and can be reclaimed by the shrinker. + */ + PANFROST_DEBUGFS_GEM_STATE_FLAG_PURGEABLE = BIT(3), +}; + +/** + * struct panfrost_gem_debugfs - GEM object's DebugFS list information + */ +struct panfrost_gem_debugfs { + /** + * @node: Node used to insert the object in the device-wide list of + * GEM objects, to display information about it through a DebugFS file. + */ + struct list_head node; + + /** @creator: Information about the UM process which created the GEM. */ + struct { + /** @creator.process_name: Group leader name in owning thread's process */ + char process_name[TASK_COMM_LEN]; + + /** @creator.tgid: PID of the thread's group leader within its process */ + pid_t tgid; + } creator; +}; struct panfrost_gem_object { struct drm_gem_shmem_object base; @@ -41,8 +81,26 @@ struct panfrost_gem_object { */ size_t heap_rss_size; + /** + * @label: BO tagging fields. The label can be assigned within the + * driver itself or through a specific IOCTL. + */ + struct { + /** + * @label.str: Pointer to NULL-terminated string, + */ + const char *str; + + /** @lock.str: Protects access to the @label.str field. */ + struct mutex lock; + } label; + bool noexec :1; bool is_heap :1; + +#ifdef CONFIG_DEBUG_FS + struct panfrost_gem_debugfs debugfs; +#endif }; struct panfrost_gem_mapping { @@ -89,4 +147,12 @@ void panfrost_gem_teardown_mappings_locked(struct panfrost_gem_object *bo); int panfrost_gem_shrinker_init(struct drm_device *dev); void panfrost_gem_shrinker_cleanup(struct drm_device *dev); +void panfrost_gem_set_label(struct drm_gem_object *obj, const char *label); +void panfrost_gem_internal_set_label(struct drm_gem_object *obj, const char *label); + +#ifdef CONFIG_DEBUG_FS +void panfrost_gem_debugfs_print_bos(struct panfrost_device *pfdev, + struct seq_file *m); +#endif + #endif /* __PANFROST_GEM_H__ */ |