101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
|
/*
|
||
|
|
* 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/mutex.h>
|
||
|
|
#include <linux/relay.h>
|
||
|
|
#include <linux/workqueue.h>
|
||
|
|
|
||
|
|
#include "intel_guc_fwif.h"
|
||
|
|
#include "i915_gem.h"
|
||
|
|
|
||
|
|
struct intel_guc;
|
||
|
|
|
||
|
|
#ifdef CONFIG_DRM_I915_DEBUG_GUC
|
||
|
|
#define CRASH_BUFFER_SIZE SZ_2M
|
||
|
|
#define DPC_BUFFER_SIZE SZ_8M
|
||
|
|
#define ISR_BUFFER_SIZE SZ_8M
|
||
|
|
#else
|
||
|
|
#define CRASH_BUFFER_SIZE SZ_8K
|
||
|
|
#define DPC_BUFFER_SIZE SZ_32K
|
||
|
|
#define ISR_BUFFER_SIZE SZ_32K
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 level;
|
||
|
|
struct i915_vma *vma;
|
||
|
|
struct {
|
||
|
|
void *buf_addr;
|
||
|
|
struct workqueue_struct *flush_wq;
|
||
|
|
struct work_struct flush_work;
|
||
|
|
struct rchan *channel;
|
||
|
|
struct mutex lock;
|
||
|
|
u32 full_count;
|
||
|
|
} relay;
|
||
|
|
/* logging related stats */
|
||
|
|
struct {
|
||
|
|
u32 sampled_overflow;
|
||
|
|
u32 overflow;
|
||
|
|
u32 flush;
|
||
|
|
} stats[GUC_MAX_LOG_BUFFER];
|
||
|
|
};
|
||
|
|
|
||
|
|
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_set_level(struct intel_guc_log *log, u32 level);
|
||
|
|
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);
|
||
|
|
|
||
|
|
static inline u32 intel_guc_log_get_level(struct intel_guc_log *log)
|
||
|
|
{
|
||
|
|
return log->level;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|