cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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intel_gt.h (3706B)

      1/* SPDX-License-Identifier: MIT */
      2/*
      3 * Copyright © 2019 Intel Corporation
      4 */
      5
      6#ifndef __INTEL_GT__
      7#define __INTEL_GT__
      8
      9#include "intel_engine_types.h"
     10#include "intel_gt_types.h"
     11#include "intel_reset.h"
     12
     13struct drm_i915_private;
     14struct drm_printer;
     15
     16struct insert_entries {
     17	struct i915_address_space *vm;
     18	struct i915_vma_resource *vma_res;
     19	enum i915_cache_level level;
     20	u32 flags;
     21};
     22
     23#define GT_TRACE(gt, fmt, ...) do {					\
     24	const struct intel_gt *gt__ __maybe_unused = (gt);		\
     25	GEM_TRACE("%s " fmt, dev_name(gt__->i915->drm.dev),		\
     26		  ##__VA_ARGS__);					\
     27} while (0)
     28
     29static inline bool gt_is_root(struct intel_gt *gt)
     30{
     31	return !gt->info.id;
     32}
     33
     34static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
     35{
     36	return container_of(uc, struct intel_gt, uc);
     37}
     38
     39static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
     40{
     41	return container_of(guc, struct intel_gt, uc.guc);
     42}
     43
     44static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
     45{
     46	return container_of(huc, struct intel_gt, uc.huc);
     47}
     48
     49static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc)
     50{
     51	return container_of(gsc, struct intel_gt, gsc);
     52}
     53
     54void intel_root_gt_init_early(struct drm_i915_private *i915);
     55int intel_gt_assign_ggtt(struct intel_gt *gt);
     56int intel_gt_init_mmio(struct intel_gt *gt);
     57int __must_check intel_gt_init_hw(struct intel_gt *gt);
     58int intel_gt_init(struct intel_gt *gt);
     59void intel_gt_driver_register(struct intel_gt *gt);
     60
     61void intel_gt_driver_unregister(struct intel_gt *gt);
     62void intel_gt_driver_remove(struct intel_gt *gt);
     63void intel_gt_driver_release(struct intel_gt *gt);
     64
     65void intel_gt_driver_late_release_all(struct drm_i915_private *i915);
     66
     67int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
     68
     69void intel_gt_check_and_clear_faults(struct intel_gt *gt);
     70void intel_gt_clear_error_registers(struct intel_gt *gt,
     71				    intel_engine_mask_t engine_mask);
     72
     73void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
     74void intel_gt_chipset_flush(struct intel_gt *gt);
     75
     76static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
     77					  enum intel_gt_scratch_field field)
     78{
     79	return i915_ggtt_offset(gt->scratch) + field;
     80}
     81
     82static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
     83{
     84	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags) ||
     85	       test_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);
     86}
     87
     88static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
     89{
     90	GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
     91		   !test_bit(I915_WEDGED, &gt->reset.flags));
     92
     93	return unlikely(test_bit(I915_WEDGED, &gt->reset.flags));
     94}
     95
     96static inline bool intel_gt_needs_read_steering(struct intel_gt *gt,
     97						enum intel_steering_type type)
     98{
     99	return gt->steering_table[type];
    100}
    101
    102void intel_gt_get_valid_steering_for_reg(struct intel_gt *gt, i915_reg_t reg,
    103					 u8 *sliceid, u8 *subsliceid);
    104
    105u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg);
    106u32 intel_gt_read_register(struct intel_gt *gt, i915_reg_t reg);
    107
    108void intel_gt_report_steering(struct drm_printer *p, struct intel_gt *gt,
    109			      bool dump_table);
    110
    111int intel_gt_probe_all(struct drm_i915_private *i915);
    112int intel_gt_tiles_init(struct drm_i915_private *i915);
    113void intel_gt_release_all(struct drm_i915_private *i915);
    114
    115#define for_each_gt(gt__, i915__, id__) \
    116	for ((id__) = 0; \
    117	     (id__) < I915_MAX_GT; \
    118	     (id__)++) \
    119		for_each_if(((gt__) = (i915__)->gt[(id__)]))
    120
    121void intel_gt_info_print(const struct intel_gt_info *info,
    122			 struct drm_printer *p);
    123
    124void intel_gt_watchdog_work(struct work_struct *work);
    125
    126void intel_gt_invalidate_tlbs(struct intel_gt *gt);
    127
    128struct resource intel_pci_resource(struct pci_dev *pdev, int bar);
    129
    130#endif /* __INTEL_GT_H__ */