1 /* 2 * Copyright © 2014-2017 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #ifndef _INTEL_GUC_LOG_H_ 26 #define _INTEL_GUC_LOG_H_ 27 28 #include <linux/workqueue.h> 29 30 #include "intel_guc_fwif.h" 31 32 struct drm_i915_private; 33 struct intel_guc; 34 35 struct intel_guc_log { 36 u32 flags; 37 struct i915_vma *vma; 38 /* The runtime stuff gets created only when GuC logging gets enabled */ 39 struct { 40 void *buf_addr; 41 struct workqueue_struct *flush_wq; 42 struct work_struct flush_work; 43 struct rchan *relay_chan; 44 } runtime; 45 /* logging related stats */ 46 u32 capture_miss_count; 47 u32 flush_interrupt_count; 48 u32 prev_overflow_count[GUC_MAX_LOG_BUFFER]; 49 u32 total_overflow_count[GUC_MAX_LOG_BUFFER]; 50 u32 flush_count[GUC_MAX_LOG_BUFFER]; 51 }; 52 53 int intel_guc_log_create(struct intel_guc *guc); 54 void intel_guc_log_destroy(struct intel_guc *guc); 55 int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val); 56 void i915_guc_log_register(struct drm_i915_private *dev_priv); 57 void i915_guc_log_unregister(struct drm_i915_private *dev_priv); 58 59 #endif 60