model: add dots3-note (#27060)

* text: conversion

* init impl

* address review comments

* fix rope

* move to a new llama_kv_cache_dsa_iswa

src/llama-graph.h

@@ -23,6 +23,7 @@ struct llama_memory_context_i;
 
 class llama_kv_cache_context;
 class llama_kv_cache_dsa_context;
+class llama_kv_cache_dsa_iswa_context;
 class llama_kv_cache_msa_context;
 class llama_kv_cache_dsv4_raw_context;
 class llama_kv_cache_dsv4_context;
@@ -374,6 +375,9 @@ public:
 
     bool can_reuse(const llm_graph_params & params) override;
 
+    // like can_reuse, but does not re-bind mctx
+    bool can_reuse_impl(const llm_graph_params & params);
+
     ggml_tensor * get_k_idxs() const { return self_k_idxs; }
 
     ggml_tensor * get_kq_mask() const { return self_kq_mask_cnv; }
@@ -405,6 +409,9 @@ public:
 
     bool can_reuse(const llm_graph_params & params) override;
 
+    // like can_reuse, but does not re-bind mctx
+    bool can_reuse_impl(const llm_graph_params & params);
+
     ggml_tensor * get_k_idxs_mla() const { return self_k_idxs_mla; }
     ggml_tensor * get_k_idxs_lid() const { return self_k_idxs_lid; }
 
@@ -427,6 +434,32 @@ public:
     const llama_kv_cache_dsa_context * mctx;
 };
 
+// DSA input (full-attention layers + indexer) with K-only input for the SWA layers
+class llm_graph_input_attn_k_dsa_iswa : public llm_graph_input_i {
+public:
+    llm_graph_input_attn_k_dsa_iswa(
+            std::unique_ptr<llm_graph_input_attn_k_dsa> inp_dsa,
+            std::unique_ptr<llm_graph_input_attn_k>     inp_swa,
+            const llama_kv_cache_dsa_iswa_context *     mctx) :
+        inp_dsa(std::move(inp_dsa)),
+        inp_swa(std::move(inp_swa)),
+        mctx(mctx) {
+    }
+    ~llm_graph_input_attn_k_dsa_iswa() = default;
+
+    void set_input(const llama_ubatch * ubatch) override;
+
+    bool can_reuse(const llm_graph_params & params) override;
+
+    llm_graph_input_attn_k_dsa * get_dsa() const { return inp_dsa.get(); }
+    llm_graph_input_attn_k     * get_swa() const { return inp_swa.get(); }
+
+    std::unique_ptr<llm_graph_input_attn_k_dsa> inp_dsa;
+    std::unique_ptr<llm_graph_input_attn_k>     inp_swa;
+
+    const llama_kv_cache_dsa_iswa_context * mctx;
+};
+
 // standard K/V attention input against the base cache, plus destination indices for the indexer key cache
 class llm_graph_input_attn_kv_msa : public llm_graph_input_attn_kv {
 public:
@@ -1191,6 +1224,8 @@ struct llm_graph_context {
 
     llm_graph_input_attn_k_dsa * build_attn_inp_k_dsa() const;
 
+    llm_graph_input_attn_k_dsa_iswa * build_attn_inp_k_dsa_iswa() const;
+
     llm_graph_input_attn_kv_msa * build_attn_inp_kv_msa(bool msa_enabled) const;
 
     ggml_tensor * build_attn(