diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/drm.h | 2 | ||||
| -rw-r--r-- | include/uapi/drm/i915_drm.h | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 238a166b9fe6..272580ca320f 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -181,7 +181,7 @@ enum drm_map_type { _DRM_AGP = 3, /**< AGP/GART */ _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */ - _DRM_GEM = 6, /**< GEM object */ + _DRM_GEM = 6, /**< GEM object (obsolete) */ }; /** diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 923ed7fe5775..a1a7b6bd60d8 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -33,6 +33,30 @@ * subject to backwards-compatibility constraints. */ +/** + * DOC: uevents generated by i915 on it's device node + * + * I915_L3_PARITY_UEVENT - Generated when the driver receives a parity mismatch + * event from the gpu l3 cache. Additional information supplied is ROW, + * BANK, SUBBANK of the affected cacheline. Userspace should keep track of + * these events and if a specific cache-line seems to have a persistent + * error remap it with the l3 remapping tool supplied in intel-gpu-tools. + * The value supplied with the event is always 1. + * + * I915_ERROR_UEVENT - Generated upon error detection, currently only via + * hangcheck. The error detection event is a good indicator of when things + * began to go badly. The value supplied with the event is a 1 upon error + * detection, and a 0 upon reset completion, signifying no more error + * exists. NOTE: Disabling hangcheck or reset via module parameter will + * cause the related events to not be seen. + * + * I915_RESET_UEVENT - Event is generated just before an attempt to reset the + * the GPU. The value supplied with the event is always 1. NOTE: Disable + * reset via module parameter will cause this event to not be seen. + */ +#define I915_L3_PARITY_UEVENT "L3_PARITY_ERROR" +#define I915_ERROR_UEVENT "ERROR" +#define I915_RESET_UEVENT "RESET" /* Each region is a minimum of 16k, and there are at most 255 of them. */ |