From b333b06772c89d96aacb5490d6a219fba7c09cc6 Mon Sep 17 00:00:00 2001
From: Mitja Felicijan <mitja.felicijan@gmail.com>
Date: Thu, 12 Feb 2026 20:57:17 +0100
Subject: Engage!

---
 llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h | 90 ++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h

(limited to 'llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h')

diff --git a/llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h b/llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h
new file mode 100644
index 0000000..1292454
--- /dev/null
+++ b/llama.cpp/ggml/src/ggml-cpu/kleidiai/kernels.h
@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: Copyright 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "ggml.h"
+
+enum cpu_feature {
+    CPU_FEATURE_NONE    = 0,
+    CPU_FEATURE_DOTPROD = 1,
+    CPU_FEATURE_I8MM    = 2,
+    CPU_FEATURE_SVE     = 4,
+    CPU_FEATURE_SME     = 8
+};
+
+inline cpu_feature& operator|=(cpu_feature& lhs, cpu_feature rhs) {
+    lhs = static_cast<cpu_feature>(lhs | rhs);
+    return lhs;
+}
+inline cpu_feature operator|(cpu_feature lhs, cpu_feature rhs) {
+    return static_cast<cpu_feature>(static_cast<int>(lhs) | static_cast<int>(rhs));
+}
+
+struct kernel_info {
+    size_t (*get_m_step)(void);
+    size_t (*get_n_step)(void);
+    size_t (*get_mr)(void);
+    size_t (*get_nr)(void);
+    size_t (*get_kr)(void);
+    size_t (*get_sr)(void);
+
+    size_t (*get_dst_offset)(size_t m_idx, size_t n_idx, size_t stride);
+    size_t (*get_dst_size)(size_t m, size_t n);
+
+    size_t (*get_lhs_offset_ex)(size_t m_idx, size_t k, size_t bl);
+
+    size_t (*get_rhs_packed_offset_ex)(size_t n_idx, size_t k, size_t bl);
+
+    void (*run_kernel_ex)(
+        size_t m, size_t n, size_t k, size_t bl,
+        const void* lhs_packed, const void* rhs_packed,
+        void* dst, size_t dst_stride_row, size_t dst_stride_col,
+        float clamp_min, float clamp_max);
+};
+
+struct lhs_packing_info {
+    size_t (*get_offset)(size_t m_idx, size_t lhs_stride);
+
+    size_t (*get_packed_offset_ex)(size_t m_idx, size_t k, size_t bl, size_t mr, size_t kr, size_t sr);
+
+    size_t (*packed_size_ex)(size_t m, size_t k, size_t bl, size_t mr, size_t kr, size_t sr);
+
+    void (*pack_func_ex)(size_t m, size_t k, size_t bl, size_t mr, size_t kr, size_t sr,
+        size_t m_idx_start, const void * lhs, size_t lhs_stride, void * lhs_packed);
+};
+
+struct rhs_packing_info {
+    size_t (*packed_stride)(size_t k, size_t nr, size_t kr, size_t bl);
+
+    void (*to_float)(const void *packed_data, int32_t row_idx, int64_t nc, float *out,
+                     size_t nr_pack, size_t packed_row_stride, size_t kr, size_t bl,
+                     size_t num_bytes_multiplier);
+
+    size_t (*packed_size_ex)(size_t n, size_t k, size_t nr, size_t kr, size_t bl);
+
+    size_t (*packed_stride_ex)(size_t k, size_t nr, size_t kr, size_t bl);
+
+    void (*pack_func_ex)(size_t num_groups, size_t n, size_t k, size_t nr, size_t kr, size_t sr, size_t bl,
+        size_t rhs_stride, const void * rhs, const void * bias, const void * scale, void * rhs_packed, size_t extra_bytes, const void * params);
+};
+
+struct ggml_kleidiai_kernels {
+    kernel_info      gemm;
+    lhs_packing_info gemm_lhs_info;
+
+    kernel_info      gemv;
+    lhs_packing_info gemv_lhs_info;
+
+    rhs_packing_info rhs_info;
+
+    cpu_feature required_cpu;
+    ggml_type lhs_type;
+    ggml_type rhs_type;
+    ggml_type op_type;
+};
+
+ggml_kleidiai_kernels * ggml_kleidiai_select_kernels(cpu_feature cpu_features, const ggml_tensor * tensor);
+ggml_kleidiai_kernels * ggml_kleidiai_select_kernels_q4_0(cpu_feature features);
+ggml_kleidiai_kernels * ggml_kleidiai_select_kernels_q8_0(cpu_feature features);
-- 
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