`default_nettype none

interface axi_dma_read_desc_if #(
  parameter int unsigned ADDR_W = 64,
  parameter int unsigned LEN_W  = 20,
  parameter int unsigned TAG_W  = 8,
  parameter int unsigned ID_W   = 8,
  parameter int unsigned DEST_W = 8,
  parameter int unsigned USER_W = 1
)(
  input logic aclk,
  input logic aresetn
);
  typedef struct packed {
    logic [ADDR_W-1:0] addr;
    logic [LEN_W-1:0]  len;
    logic [TAG_W-1:0]  tag;
    logic [ID_W-1:0]   id;
    logic [DEST_W-1:0] dest;
    logic [USER_W-1:0] user;
    logic              valid;
  } req_t;

  typedef struct packed {
    logic ready;
  } resp_t;

  req_t  req;
  resp_t resp;

  modport master  (input aclk, aresetn, output req, input  resp);
  modport slave   (input aclk, aresetn, input  req, output resp);
  modport monitor (input aclk, aresetn, input  req, input  resp);
endinterface : axi_dma_read_desc_if

interface axi_dma_read_desc_status_if #(
  parameter int unsigned TAG_W = 8
)(
  input logic aclk,
  input logic aresetn
);
  typedef struct packed {
    logic [TAG_W-1:0] tag;
    logic [3:0]       error;
    logic             valid;
  } req_t;

  req_t req;

  modport master  (input aclk, aresetn, output req);
  modport slave   (input aclk, aresetn, input  req);
  modport monitor (input aclk, aresetn, input  req);
endinterface : axi_dma_read_desc_status_if

interface axi_dma_write_desc_if #(
  parameter int unsigned ADDR_W = 64,
  parameter int unsigned LEN_W  = 20,
  parameter int unsigned TAG_W  = 8
)(
  input logic aclk,
  input logic aresetn
);
  typedef struct packed {
    logic [ADDR_W-1:0] addr;
    logic [LEN_W-1:0]  len;
    logic [TAG_W-1:0]  tag;
    logic              valid;
  } req_t;

  typedef struct packed {
    logic ready;
  } resp_t;

  req_t  req;
  resp_t resp;

  modport master  (input aclk, aresetn, output req, input  resp);
  modport slave   (input aclk, aresetn, input  req, output resp);
  modport monitor (input aclk, aresetn, input  req, input  resp);
endinterface : axi_dma_write_desc_if

interface axi_dma_write_desc_status_if #(
  parameter int unsigned LEN_W  = 20,
  parameter int unsigned TAG_W  = 8,
  parameter int unsigned ID_W   = 8,
  parameter int unsigned DEST_W = 8,
  parameter int unsigned USER_W = 1
)(
  input logic aclk,
  input logic aresetn
);
  typedef struct packed {
    logic [LEN_W-1:0]  len;
    logic [TAG_W-1:0]  tag;
    logic [ID_W-1:0]   id;
    logic [DEST_W-1:0] dest;
    logic [USER_W-1:0] user;
    logic [3:0]        error;
    logic              valid;
  } req_t;

  req_t req;

  modport master  (input aclk, aresetn, output req);
  modport slave   (input aclk, aresetn, input  req);
  modport monitor (input aclk, aresetn, input  req);
endinterface : axi_dma_write_desc_status_if

`default_nettype wire