xref: /openbmc/hiomapd/vpnor/test/create_read_window_partition_exists.cpp (revision 150be912a3f9f718d4ec69b756449906f392e2cd)
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 // A read window assumes that the toc is located at offset 0,
22 // so create dummy partition at arbitrary offset 0x1000.
23 const std::string toc[] = {
24     "partition01=HBB,00001000,00002000,80,ECC,READONLY",
25 };
26 
27 static const uint8_t data[8] = {0xaa, 0x55, 0xaa, 0x66, 0x77, 0x88, 0x99, 0xab};
28 
29 static const auto BLOCK_SIZE = 4096;
30 static const auto MEM_SIZE = BLOCK_SIZE * 2;
31 static const auto ERASE_SIZE = BLOCK_SIZE;
32 static const auto N_WINDOWS = 1;
33 static const auto WINDOW_SIZE = BLOCK_SIZE;
34 
35 static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
36                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
37                                    0x00, 0x00, 0x00, 0x00};
38 
39 // offset 0x100 and size 6
40 static const uint8_t create_read_window[] = {0x04, 0x01, 0x01, 0x00, 0x01, 0x00,
41                                              0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
42                                              0x00, 0x00, 0x00, 0x00};
43 
44 static const uint8_t response[] = {0x04, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x01,
45                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
46 
47 namespace test = openpower::virtual_pnor::test;
48 
main()49 int main()
50 {
51     struct mbox_context* ctx;
52 
53     system_set_reserved_size(MEM_SIZE);
54     system_set_mtd_sizes(MEM_SIZE, ERASE_SIZE);
55 
56     ctx = mbox_create_frontend_context(N_WINDOWS, WINDOW_SIZE);
57 
58     test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE);
59     root.write("HBB", data, sizeof(data));
60 
61     int rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
62     assert(rc == 1);
63 
64     // send the request for partition1
65     rc = mbox_command_dispatch(ctx, create_read_window,
66                                sizeof(create_read_window));
67     assert(rc == 1);
68 
69     rc = mbox_cmp(ctx, response, sizeof(response));
70     assert(rc == 0);
71 
72     // Compare the reserved memory to the pnor
73     rc = memcmp(ctx->mem, data, 6);
74     assert(rc == 0);
75 
76     return rc;
77 }
78