1 // SPDX-License-Identifier: Apache-2.0
2 // Copyright (C) 2018 IBM Corp.
3 
4 #include "config.h"
5 
6 extern "C" {
7 #include "test/mbox.h"
8 #include "test/system.h"
9 }
10 
11 #include "vpnor/test/tmpd.hpp"
12 
13 #include <cassert>
14 #include <cstring>
15 #include <filesystem>
16 #include <fstream>
17 #include <vector>
18 
19 #include "vpnor/backend.h"
20 
21 static const auto BLOCK_SIZE = 4096;
22 static const auto ERASE_SIZE = BLOCK_SIZE;
23 static const auto WINDOW_SIZE = 16 * BLOCK_SIZE;
24 static const auto N_WINDOWS = 2;
25 static const auto MEM_SIZE = N_WINDOWS * WINDOW_SIZE;
26 
27 const std::string toc[] = {
28     "partition01=ONE,00001000,00011000,80,ECC,READONLY",
29 };
30 
31 static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
32                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
33                                    0x00, 0x00, 0x00, 0x00};
34 
35 namespace test = openpower::virtual_pnor::test;
36 
main()37 int main()
38 {
39     uint8_t request[] = {0x04, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
40                          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
41 
42     uint8_t response[] = {0x04, 0x01, 0xe0, 0xff, 0x10, 0x00, 0x01,
43                           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
44 
45     struct mbox_context* ctx;
46 
47     system_set_reserved_size(MEM_SIZE);
48     system_set_mtd_sizes(MEM_SIZE, ERASE_SIZE);
49 
50     ctx = mbox_create_frontend_context(N_WINDOWS, WINDOW_SIZE);
51     test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE);
52 
53     int rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
54     assert(rc == 1);
55 
56     for (int i = 1; i < (0x10000 / BLOCK_SIZE); i++)
57     {
58         /* Update the requested offset */
59         put_u16(&request[2], i);
60 
61         /*
62          * Reuse the offset as a sequence number, because it's unique. Request
63          * and response have the same sequence number
64          */
65         request[1] = i;
66         response[1] = i;
67 
68         rc = mbox_command_dispatch(ctx, request, sizeof(request));
69         assert(rc == 1);
70 
71         /* Check that it maps to the same window each time */
72         rc = mbox_cmp(ctx, response, sizeof(response));
73         assert(rc == 0);
74     }
75 
76     return 0;
77 }
78