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| author | Adrián Larumbe <adrian.larumbe@collabora.com> | 2025-05-20 20:44:00 +0300 |
|---|---|---|
| committer | Steven Price <steven.price@arm.com> | 2025-06-02 15:51:15 +0300 |
| commit | 2f684bbbcb27048e6b16732b440dbadc0e342363 (patch) | |
| tree | 635cda93c0ed6536bd12828346d33578d2118f16 /include/uapi | |
| parent | ca8b3216dcea9b3601c925a4942a054e92b0d528 (diff) | |
| download | linux-2f684bbbcb27048e6b16732b440dbadc0e342363.tar.xz | |
drm/panfrost: Add driver IOCTL for setting BO labels
Allow UM to label a BO for which it possesses a DRM handle.
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250520174634.353267-4-adrian.larumbe@collabora.com
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/panfrost_drm.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/uapi/drm/panfrost_drm.h b/include/uapi/drm/panfrost_drm.h index 568724be6628..ed67510395bd 100644 --- a/include/uapi/drm/panfrost_drm.h +++ b/include/uapi/drm/panfrost_drm.h @@ -21,6 +21,7 @@ extern "C" { #define DRM_PANFROST_PERFCNT_ENABLE 0x06 #define DRM_PANFROST_PERFCNT_DUMP 0x07 #define DRM_PANFROST_MADVISE 0x08 +#define DRM_PANFROST_SET_LABEL_BO 0x09 #define DRM_IOCTL_PANFROST_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_SUBMIT, struct drm_panfrost_submit) #define DRM_IOCTL_PANFROST_WAIT_BO DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_WAIT_BO, struct drm_panfrost_wait_bo) @@ -29,6 +30,7 @@ extern "C" { #define DRM_IOCTL_PANFROST_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_PARAM, struct drm_panfrost_get_param) #define DRM_IOCTL_PANFROST_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_BO_OFFSET, struct drm_panfrost_get_bo_offset) #define DRM_IOCTL_PANFROST_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MADVISE, struct drm_panfrost_madvise) +#define DRM_IOCTL_PANFROST_SET_LABEL_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_SET_LABEL_BO, struct drm_panfrost_set_label_bo) /* * Unstable ioctl(s): only exposed when the unsafe unstable_ioctls module @@ -227,6 +229,25 @@ struct drm_panfrost_madvise { __u32 retained; /* out, whether backing store still exists */ }; +/** + * struct drm_panfrost_set_label_bo - ioctl argument for labelling Panfrost BOs. + */ +struct drm_panfrost_set_label_bo { + /** @handle: Handle of the buffer object to label. */ + __u32 handle; + + /** @pad: MBZ. */ + __u32 pad; + + /** + * @label: User pointer to a NUL-terminated string + * + * Length cannot be greater than 4096. + * NULL is permitted and means clear the label. + */ + __u64 label; +}; + /* Definitions for coredump decoding in user space */ #define PANFROSTDUMP_MAJOR 1 #define PANFROSTDUMP_MINOR 0 |