Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 429 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
new file mode 100644
index 0000000000..48f6c00402
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -0,0 +1,429 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2008-2018 Intel Corporation
+ */
+
+#ifndef _I915_GPU_ERROR_H_
+#define _I915_GPU_ERROR_H_
+
+#include <linux/atomic.h>
+#include <linux/kref.h>
+#include <linux/ktime.h>
+#include <linux/sched.h>
+
+#include <drm/drm_mm.h>
+
+#include "display/intel_display_device.h"
+#include "gt/intel_engine.h"
+#include "gt/intel_engine_types.h"
+#include "gt/intel_gt_types.h"
+#include "gt/uc/intel_uc_fw.h"
+
+#include "intel_device_info.h"
+
+#include "i915_gem.h"
+#include "i915_gem_gtt.h"
+#include "i915_params.h"
+#include "i915_scheduler.h"
+
+struct drm_i915_private;
+struct i915_vma_compress;
+struct intel_engine_capture_vma;
+struct intel_overlay_error_state;
+
+struct i915_vma_coredump {
+	struct i915_vma_coredump *next;
+
+	char name[20];
+
+	u64 gtt_offset;
+	u64 gtt_size;
+	u32 gtt_page_sizes;
+
+	int unused;
+	struct list_head page_list;
+};
+
+struct i915_request_coredump {
+	unsigned long flags;
+	pid_t pid;
+	u32 context;
+	u32 seqno;
+	u32 head;
+	u32 tail;
+	struct i915_sched_attr sched_attr;
+};
+
+struct __guc_capture_parsed_output;
+
+struct intel_engine_coredump {
+	const struct intel_engine_cs *engine;
+
+	bool hung;
+	bool simulated;
+	u32 reset_count;
+
+	/* position of active request inside the ring */
+	u32 rq_head, rq_post, rq_tail;
+
+	/* Register state */
+	u32 ccid;
+	u32 start;
+	u32 tail;
+	u32 head;
+	u32 ctl;
+	u32 mode;
+	u32 hws;
+	u32 ipeir;
+	u32 ipehr;
+	u32 esr;
+	u32 bbstate;
+	u32 instpm;
+	u32 instps;
+	u64 bbaddr;
+	u64 acthd;
+	u32 fault_reg;
+	u64 faddr;
+	u32 rc_psmi; /* sleep state */
+	u32 nopid;
+	u32 excc;
+	u32 cmd_cctl;
+	u32 cscmdop;
+	u32 ctx_sr_ctl;
+	u32 dma_faddr_hi;
+	u32 dma_faddr_lo;
+	struct intel_instdone instdone;
+
+	/* GuC matched capture-lists info */
+	struct intel_guc_state_capture *guc_capture;
+	struct __guc_capture_parsed_output *guc_capture_node;
+
+	struct i915_gem_context_coredump {
+		char comm[TASK_COMM_LEN];
+
+		u64 total_runtime;
+		u64 avg_runtime;
+
+		pid_t pid;
+		int active;
+		int guilty;
+		struct i915_sched_attr sched_attr;
+		u32 hwsp_seqno;
+	} context;
+
+	struct i915_vma_coredump *vma;
+
+	struct i915_request_coredump execlist[EXECLIST_MAX_PORTS];
+	unsigned int num_ports;
+
+	struct {
+		u32 gfx_mode;
+		union {
+			u64 pdp[4];
+			u32 pp_dir_base;
+		};
+	} vm_info;
+
+	struct intel_engine_coredump *next;
+};
+
+struct intel_ctb_coredump {
+	u32 raw_head, head;
+	u32 raw_tail, tail;
+	u32 raw_status;
+	u32 desc_offset;
+	u32 cmds_offset;
+	u32 size;
+};
+
+struct intel_gt_coredump {
+	const struct intel_gt *_gt;
+	bool awake;
+	bool simulated;
+
+	struct intel_gt_info info;
+
+	/* Generic register state */
+	u32 eir;
+	u32 pgtbl_er;
+	u32 ier;
+	u32 gtier[6], ngtier;
+	u32 forcewake;
+	u32 error; /* gen6+ */
+	u32 err_int; /* gen7 */
+	u32 fault_data0; /* gen8, gen9 */
+	u32 fault_data1; /* gen8, gen9 */
+	u32 done_reg;
+	u32 gac_eco;
+	u32 gam_ecochk;
+	u32 gab_ctl;
+	u32 gfx_mode;
+	u32 gtt_cache;
+	u32 aux_err; /* gen12 */
+	u32 gam_done; /* gen12 */
+	u32 clock_frequency;
+	u32 clock_period_ns;
+
+	/* Display related */
+	u32 derrmr;
+	u32 sfc_done[I915_MAX_SFC]; /* gen12 */
+
+	u32 nfence;
+	u64 fence[I915_MAX_NUM_FENCES];
+
+	struct intel_engine_coredump *engine;
+
+	struct intel_uc_coredump {
+		struct intel_uc_fw guc_fw;
+		struct intel_uc_fw huc_fw;
+		struct guc_info {
+			struct intel_ctb_coredump ctb[2];
+			struct i915_vma_coredump *vma_ctb;
+			struct i915_vma_coredump *vma_log;
+			u32 timestamp;
+			u16 last_fence;
+			bool is_guc_capture;
+		} guc;
+	} *uc;
+
+	struct intel_gt_coredump *next;
+};
+
+struct i915_gpu_coredump {
+	struct kref ref;
+	ktime_t time;
+	ktime_t boottime;
+	ktime_t uptime;
+	unsigned long capture;
+
+	struct drm_i915_private *i915;
+
+	struct intel_gt_coredump *gt;
+
+	char error_msg[128];
+	bool simulated;
+	bool wakelock;
+	bool suspended;
+	int iommu;
+	u32 reset_count;
+	u32 suspend_count;
+
+	struct intel_device_info device_info;
+	struct intel_runtime_info runtime_info;
+	struct intel_display_device_info display_device_info;
+	struct intel_display_runtime_info display_runtime_info;
+	struct intel_driver_caps driver_caps;
+	struct i915_params params;
+
+	struct intel_overlay_error_state *overlay;
+
+	struct scatterlist *sgl, *fit;
+};
+
+struct i915_gpu_error {
+	/* For reset and error_state handling. */
+	spinlock_t lock;
+	/* Protected by the above dev->gpu_error.lock. */
+	struct i915_gpu_coredump *first_error;
+
+	atomic_t pending_fb_pin;
+
+	/** Number of times the device has been reset (global) */
+	atomic_t reset_count;
+
+	/** Number of times an engine has been reset */
+	atomic_t reset_engine_count[MAX_ENGINE_CLASS];
+};
+
+struct drm_i915_error_state_buf {
+	struct drm_i915_private *i915;
+	struct scatterlist *sgl, *cur, *end;
+
+	char *buf;
+	size_t bytes;
+	size_t size;
+	loff_t iter;
+
+	int err;
+};
+
+static inline u32 i915_reset_count(struct i915_gpu_error *error)
+{
+	return atomic_read(&error->reset_count);
+}
+
+static inline u32 i915_reset_engine_count(struct i915_gpu_error *error,
+					  const struct intel_engine_cs *engine)
+{
+	return atomic_read(&error->reset_engine_count[engine->class]);
+}
+
+static inline void
+i915_increase_reset_engine_count(struct i915_gpu_error *error,
+				 const struct intel_engine_cs *engine)
+{
+	atomic_inc(&error->reset_engine_count[engine->class]);
+}
+
+#define CORE_DUMP_FLAG_NONE           0x0
+#define CORE_DUMP_FLAG_IS_GUC_CAPTURE BIT(0)
+
+#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) && IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
+void intel_klog_error_capture(struct intel_gt *gt,
+			      intel_engine_mask_t engine_mask);
+#else
+static inline void intel_klog_error_capture(struct intel_gt *gt,
+					    intel_engine_mask_t engine_mask)
+{
+}
+#endif
+
+#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
+
+__printf(2, 3)
+void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
+void intel_gpu_error_print_vma(struct drm_i915_error_state_buf *m,
+			       const struct intel_engine_cs *engine,
+			       const struct i915_vma_coredump *vma);
+struct i915_vma_coredump *
+intel_gpu_error_find_batch(const struct intel_engine_coredump *ee);
+
+struct i915_gpu_coredump *i915_gpu_coredump(struct intel_gt *gt,
+					    intel_engine_mask_t engine_mask, u32 dump_flags);
+void i915_capture_error_state(struct intel_gt *gt,
+			      intel_engine_mask_t engine_mask, u32 dump_flags);
+
+struct i915_gpu_coredump *
+i915_gpu_coredump_alloc(struct drm_i915_private *i915, gfp_t gfp);
+
+struct intel_gt_coredump *
+intel_gt_coredump_alloc(struct intel_gt *gt, gfp_t gfp, u32 dump_flags);
+
+struct intel_engine_coredump *
+intel_engine_coredump_alloc(struct intel_engine_cs *engine, gfp_t gfp, u32 dump_flags);
+
+struct intel_engine_capture_vma *
+intel_engine_coredump_add_request(struct intel_engine_coredump *ee,
+				  struct i915_request *rq,
+				  gfp_t gfp);
+
+void intel_engine_coredump_add_vma(struct intel_engine_coredump *ee,
+				   struct intel_engine_capture_vma *capture,
+				   struct i915_vma_compress *compress);
+
+struct i915_vma_compress *
+i915_vma_capture_prepare(struct intel_gt_coredump *gt);
+
+void i915_vma_capture_finish(struct intel_gt_coredump *gt,
+			     struct i915_vma_compress *compress);
+
+void i915_error_state_store(struct i915_gpu_coredump *error);
+
+static inline struct i915_gpu_coredump *
+i915_gpu_coredump_get(struct i915_gpu_coredump *gpu)
+{
+	kref_get(&gpu->ref);
+	return gpu;
+}
+
+ssize_t
+i915_gpu_coredump_copy_to_buffer(struct i915_gpu_coredump *error,
+				 char *buf, loff_t offset, size_t count);
+
+void __i915_gpu_coredump_free(struct kref *kref);
+static inline void i915_gpu_coredump_put(struct i915_gpu_coredump *gpu)
+{
+	if (gpu)
+		kref_put(&gpu->ref, __i915_gpu_coredump_free);
+}
+
+struct i915_gpu_coredump *i915_first_error_state(struct drm_i915_private *i915);
+void i915_reset_error_state(struct drm_i915_private *i915);
+void i915_disable_error_state(struct drm_i915_private *i915, int err);
+
+#else
+
+__printf(2, 3)
+static inline void
+i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...)
+{
+}
+
+static inline void
+i915_capture_error_state(struct intel_gt *gt, intel_engine_mask_t engine_mask, u32 dump_flags)
+{
+}
+
+static inline struct i915_gpu_coredump *
+i915_gpu_coredump_alloc(struct drm_i915_private *i915, gfp_t gfp)
+{
+	return NULL;
+}
+
+static inline struct intel_gt_coredump *
+intel_gt_coredump_alloc(struct intel_gt *gt, gfp_t gfp, u32 dump_flags)
+{
+	return NULL;
+}
+
+static inline struct intel_engine_coredump *
+intel_engine_coredump_alloc(struct intel_engine_cs *engine, gfp_t gfp, u32 dump_flags)
+{
+	return NULL;
+}
+
+static inline struct intel_engine_capture_vma *
+intel_engine_coredump_add_request(struct intel_engine_coredump *ee,
+				  struct i915_request *rq,
+				  gfp_t gfp)
+{
+	return NULL;
+}
+
+static inline void
+intel_engine_coredump_add_vma(struct intel_engine_coredump *ee,
+			      struct intel_engine_capture_vma *capture,
+			      struct i915_vma_compress *compress)
+{
+}
+
+static inline struct i915_vma_compress *
+i915_vma_capture_prepare(struct intel_gt_coredump *gt)
+{
+	return NULL;
+}
+
+static inline void
+i915_vma_capture_finish(struct intel_gt_coredump *gt,
+			struct i915_vma_compress *compress)
+{
+}
+
+static inline void
+i915_error_state_store(struct i915_gpu_coredump *error)
+{
+}
+
+static inline void i915_gpu_coredump_put(struct i915_gpu_coredump *gpu)
+{
+}
+
+static inline struct i915_gpu_coredump *
+i915_first_error_state(struct drm_i915_private *i915)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline void i915_reset_error_state(struct drm_i915_private *i915)
+{
+}
+
+static inline void i915_disable_error_state(struct drm_i915_private *i915,
+					    int err)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) */
+
+#endif /* _I915_GPU_ERROR_H_ */