diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_log.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_log.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h new file mode 100644 index 000000000000..f512cf79339b --- /dev/null +++ b/drivers/gpu/drm/i915/intel_guc_log.h @@ -0,0 +1,59 @@ +/* + * Copyright © 2014-2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef _INTEL_GUC_LOG_H_ +#define _INTEL_GUC_LOG_H_ + +#include <linux/workqueue.h> + +#include "intel_guc_fwif.h" + +struct drm_i915_private; +struct intel_guc; + +struct intel_guc_log { + u32 flags; + struct i915_vma *vma; + /* The runtime stuff gets created only when GuC logging gets enabled */ + struct { + void *buf_addr; + struct workqueue_struct *flush_wq; + struct work_struct flush_work; + struct rchan *relay_chan; + } runtime; + /* logging related stats */ + u32 capture_miss_count; + u32 flush_interrupt_count; + u32 prev_overflow_count[GUC_MAX_LOG_BUFFER]; + u32 total_overflow_count[GUC_MAX_LOG_BUFFER]; + u32 flush_count[GUC_MAX_LOG_BUFFER]; +}; + +int intel_guc_log_create(struct intel_guc *guc); +void intel_guc_log_destroy(struct intel_guc *guc); +int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val); +void i915_guc_log_register(struct drm_i915_private *dev_priv); +void i915_guc_log_unregister(struct drm_i915_private *dev_priv); + +#endif |