#ifndef HTP_GET_ROWS_OPS_H
#define HTP_GET_ROWS_OPS_H

#include "hex-fastdiv.h"

struct htp_get_rows_kernel_params {
    int32_t  n_threads;
    int32_t  use_dma;
    int32_t  chunks_per_row;
    int32_t  chunk_size;
    int32_t  total_tasks;
    int32_t  tasks_per_thread;
    int32_t  vtcm_size;

    // Fastdiv helpers
    struct fastdiv_values div_ne10;
    struct fastdiv_values div_ne10_ne11;
    struct fastdiv_values div_chunks_per_row;
    struct fastdiv_values div_ne02;
    struct fastdiv_values div_ne03;
};

struct htp_get_rows_vtcm_layout {
    size_t total_bytes;
    size_t off_src0;
    size_t off_dst;

    size_t src0_bytes_per_thread;
    size_t dst_bytes_per_thread;

    size_t src0_spad_half_size;
    size_t dst_spad_half_size;
};

static inline void htp_get_rows_vtcm_layout_build(
    struct htp_get_rows_vtcm_layout * vtcm_layout,
    int type,
    uint32_t ne00,
    uint32_t n_threads) {

    uint32_t src0_row_size = 0;
    switch (type) {
        case 0: // HTP_TYPE_F32
            src0_row_size = ne00 * 4;
            break;
        case 1: // HTP_TYPE_F16
            src0_row_size = ne00 * 2;
            break;
        case 8: // HTP_TYPE_Q8_0
            src0_row_size = (ne00 / 32) * 34;
            break;
        default:
            src0_row_size = 0;
            break;
    }

    size_t src0_row_size_aligned = (src0_row_size + 255) & ~255;
    size_t dst_row_size_aligned  = (ne00 * sizeof(float) + 255) & ~255;

    vtcm_layout->src0_spad_half_size = src0_row_size_aligned;
    vtcm_layout->dst_spad_half_size  = dst_row_size_aligned;

    vtcm_layout->src0_bytes_per_thread = src0_row_size_aligned * 2;
    vtcm_layout->dst_bytes_per_thread  = dst_row_size_aligned * 2;

    vtcm_layout->off_src0 = 0;
    vtcm_layout->off_dst  = vtcm_layout->off_src0 + vtcm_layout->src0_bytes_per_thread * n_threads;
    vtcm_layout->total_bytes = vtcm_layout->off_dst + vtcm_layout->dst_bytes_per_thread * n_threads;
}

#if defined(__cplusplus)
static_assert(sizeof(struct htp_get_rows_kernel_params) <= 128, "htp_get_rows_kernel_params is too large for kernel_params blob");
#else
_Static_assert(sizeof(struct htp_get_rows_kernel_params) <= 128, "htp_get_rows_kernel_params is too large for kernel_params blob");
#endif

#endif // HTP_GET_ROWS_OPS_H