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fpga: rfnoc: Add CHDR management util functions

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Add missing chdr_mgmt_*() and enum_to_chdr_w() functions.


Original-commit: f6ec1496486f14ce16042062bdddcec38fa316a5
This commit is contained in:
Wade Fife
2021-11-04 11:04:54 -05:00
parent e3f4dc9986
commit c2c8f03038
1 changed files with 85 additions and 4 deletions
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lib/rfnoc/core/rfnoc_chdr_internal_utils.vh
+85 -4
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@@ -350,17 +350,28 @@ localparam [2:0] CHDR_MGMT_WIDTH_128 = 3'd1;
localparam [2:0] CHDR_MGMT_WIDTH_256 = 3'd2; localparam [2:0] CHDR_MGMT_WIDTH_256 = 3'd2;
localparam [2:0] CHDR_MGMT_WIDTH_512 = 3'd3; localparam [2:0] CHDR_MGMT_WIDTH_512 = 3'd3;
function [2:0] chdr_w_to_enum(input integer bits); function [2:0] chdr_w_to_enum(input integer chdr_w);
if (bits == 512) if (chdr_w == 512)
chdr_w_to_enum = CHDR_MGMT_WIDTH_512; chdr_w_to_enum = CHDR_MGMT_WIDTH_512;
else if (bits == 256) else if (chdr_w == 256)
chdr_w_to_enum = CHDR_MGMT_WIDTH_256; chdr_w_to_enum = CHDR_MGMT_WIDTH_256;
else if (bits == 128) else if (chdr_w == 128)
chdr_w_to_enum = CHDR_MGMT_WIDTH_128; chdr_w_to_enum = CHDR_MGMT_WIDTH_128;
else else
chdr_w_to_enum = CHDR_MGMT_WIDTH_64; chdr_w_to_enum = CHDR_MGMT_WIDTH_64;
endfunction endfunction
function [2:0] enum_to_chdr_w(input integer bits);
if (bits == CHDR_MGMT_WIDTH_512)
enum_to_chdr_w = 3;
else if (bits == CHDR_MGMT_WIDTH_256)
enum_to_chdr_w = 2;
else if (bits == CHDR_MGMT_WIDTH_128)
enum_to_chdr_w = 1;
else // CHDR_MGMT_WIDTH_64
enum_to_chdr_w = 0;
endfunction
localparam [7:0] CHDR_MGMT_OP_NOP = 8'd0; localparam [7:0] CHDR_MGMT_OP_NOP = 8'd0;
localparam [7:0] CHDR_MGMT_OP_ADVERTISE = 8'd1; localparam [7:0] CHDR_MGMT_OP_ADVERTISE = 8'd1;
localparam [7:0] CHDR_MGMT_OP_SEL_DEST = 8'd2; localparam [7:0] CHDR_MGMT_OP_SEL_DEST = 8'd2;
@@ -399,6 +410,76 @@ function [7:0] chdr_mgmt_get_ops_pending(input [63:0] header);
chdr_mgmt_get_ops_pending = header[7:0]; chdr_mgmt_get_ops_pending = header[7:0];
endfunction endfunction
function [63:0] chdr_mgmt_set_proto_ver(
input [63:0] base_hdr,
input [15:0] ver
);
begin
chdr_mgmt_set_proto_ver = base_hdr;
chdr_mgmt_set_proto_ver[63:48] = ver;
end
endfunction
function [63:0] chdr_mgmt_set_chdr_w(
input [63:0] base_hdr,
input [ 2:0] chdr_w
);
begin
chdr_mgmt_set_chdr_w = base_hdr;
chdr_mgmt_set_chdr_w[47:45] = chdr_w;
end
endfunction
function [63:0] chdr_mgmt_set_num_hops(
input [63:0] base_hdr,
input [ 9:0] num_hops
);
begin
chdr_mgmt_set_num_hops = base_hdr;
chdr_mgmt_set_num_hops[25:16] = num_hops;
end
endfunction
function [63:0] chdr_mgmt_set_src_epid(
input [63:0] base_hdr,
input [15:0] src_epid
);
begin
chdr_mgmt_set_src_epid = base_hdr;
chdr_mgmt_set_src_epid[15:0] = src_epid;
end
endfunction
function [63:0] chdr_mgmt_set_op_payload(
input [63:0] base_hdr,
input [47:0] op_payload
);
begin
chdr_mgmt_set_op_payload = base_hdr;
chdr_mgmt_set_op_payload[63:16] = op_payload;
end
endfunction
function [63:0] chdr_mgmt_set_op_code(
input [63:0] base_hdr,
input [ 7:0] op_code
);
begin
chdr_mgmt_set_op_code = base_hdr;
chdr_mgmt_set_op_code[15:8] = op_code;
end
endfunction
function [63:0] chdr_mgmt_set_ops_pending(
input [63:0] base_hdr,
input [ 7:0] ops_pending
);
begin
chdr_mgmt_set_ops_pending = base_hdr;
chdr_mgmt_set_ops_pending[7:0] = ops_pending;
end
endfunction
function [63:0] chdr_mgmt_build_hdr( function [63:0] chdr_mgmt_build_hdr(
input [15:0] proto_ver, input [15:0] proto_ver,
input [2:0] chdr_w, input [2:0] chdr_w,