drivers/gpu/drm/i915/gt/intel_migrate.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2020 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_MIGRATE__
   7 #define __INTEL_MIGRATE__
   8
   9 #include <linux/types.h>
  10
  11 #include "intel_migrate_types.h"
  12
  13 struct dma_fence;
  14 struct i915_deps;
  15 struct i915_request;
  16 struct i915_gem_ww_ctx;
  17 struct intel_gt;
  18 struct scatterlist;
  19
  20 int intel_migrate_init(struct intel_migrate *m, struct intel_gt *gt);
  21
  22 struct intel_context *intel_migrate_create_context(struct intel_migrate *m);
  23
  24 int intel_migrate_copy(struct intel_migrate *m,
  25                        struct i915_gem_ww_ctx *ww,
  26                        const struct i915_deps *deps,
  27                        struct scatterlist *src,
  28                        unsigned int src_pat_index,
  29                        bool src_is_lmem,
  30                        struct scatterlist *dst,
  31                        unsigned int dst_pat_index,
  32                        bool dst_is_lmem,
  33                        struct i915_request **out);
  34
  35 int intel_context_migrate_copy(struct intel_context *ce,
  36                                const struct i915_deps *deps,
  37                                struct scatterlist *src,
  38                                unsigned int src_pat_index,
  39                                bool src_is_lmem,
  40                                struct scatterlist *dst,
  41                                unsigned int dst_pat_index,
  42                                bool dst_is_lmem,
  43                                struct i915_request **out);
  44
  45 int
  46 intel_migrate_clear(struct intel_migrate *m,
  47                     struct i915_gem_ww_ctx *ww,
  48                     const struct i915_deps *deps,
  49                     struct scatterlist *sg,
  50                     unsigned int pat_index,
  51                     bool is_lmem,
  52                     u32 value,
  53                     struct i915_request **out);
  54 int
  55 intel_context_migrate_clear(struct intel_context *ce,
  56                             const struct i915_deps *deps,
  57                             struct scatterlist *sg,
  58                             unsigned int pat_index,
  59                             bool is_lmem,
  60                             u32 value,
  61                             struct i915_request **out);
  62
  63 void intel_migrate_fini(struct intel_migrate *m);
  64
  65 #endif /* __INTEL_MIGRATE__ */