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, 40 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h index dab0e949567a..fa80535a6f9d 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.h +++ b/drivers/gpu/drm/i915/intel_guc_log.h @@ -25,11 +25,12 @@ #ifndef _INTEL_GUC_LOG_H_ #define _INTEL_GUC_LOG_H_ +#include <linux/mutex.h> +#include <linux/relay.h> #include <linux/workqueue.h> #include "intel_guc_fwif.h" -struct drm_i915_private; struct intel_guc; /* @@ -39,33 +40,53 @@ struct intel_guc; #define GUC_LOG_SIZE ((1 + GUC_LOG_DPC_PAGES + 1 + GUC_LOG_ISR_PAGES + \ 1 + GUC_LOG_CRASH_PAGES + 1) << PAGE_SHIFT) +/* + * While we're using plain log level in i915, GuC controls are much more... + * "elaborate"? We have a couple of bits for verbosity, separate bit for actual + * log enabling, and separate bit for default logging - which "conveniently" + * ignores the enable bit. + */ +#define GUC_LOG_LEVEL_DISABLED 0 +#define GUC_LOG_LEVEL_NON_VERBOSE 1 +#define GUC_LOG_LEVEL_IS_ENABLED(x) ((x) > GUC_LOG_LEVEL_DISABLED) +#define GUC_LOG_LEVEL_IS_VERBOSE(x) ((x) > GUC_LOG_LEVEL_NON_VERBOSE) +#define GUC_LOG_LEVEL_TO_VERBOSITY(x) ({ \ + typeof(x) _x = (x); \ + GUC_LOG_LEVEL_IS_VERBOSE(_x) ? _x - 2 : 0; \ +}) +#define GUC_VERBOSITY_TO_LOG_LEVEL(x) ((x) + 2) +#define GUC_LOG_LEVEL_MAX GUC_VERBOSITY_TO_LOG_LEVEL(GUC_LOG_VERBOSITY_MAX) + 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; - /* To serialize the access to relay_chan */ - struct mutex relay_lock; - } runtime; + struct rchan *channel; + struct mutex lock; + u32 full_count; + } relay; /* 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]; + struct { + u32 sampled_overflow; + u32 overflow; + u32 flush; + } stats[GUC_MAX_LOG_BUFFER]; }; -int intel_guc_log_create(struct intel_guc *guc); -void intel_guc_log_destroy(struct intel_guc *guc); -void intel_guc_log_init_early(struct intel_guc *guc); -int intel_guc_log_relay_create(struct intel_guc *guc); -void intel_guc_log_relay_destroy(struct intel_guc *guc); -int intel_guc_log_control(struct intel_guc *guc, 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); +void intel_guc_log_init_early(struct intel_guc_log *log); +int intel_guc_log_create(struct intel_guc_log *log); +void intel_guc_log_destroy(struct intel_guc_log *log); + +int intel_guc_log_level_get(struct intel_guc_log *log); +int intel_guc_log_level_set(struct intel_guc_log *log, u64 control_val); +bool intel_guc_log_relay_enabled(const struct intel_guc_log *log); +int intel_guc_log_relay_open(struct intel_guc_log *log); +void intel_guc_log_relay_flush(struct intel_guc_log *log); +void intel_guc_log_relay_close(struct intel_guc_log *log); + +void intel_guc_log_handle_flush_event(struct intel_guc_log *log); #endif |