xref: /openbmc/hiomapd/vpnor/test/create_read_window_toc.cpp (revision d5f1d40f2ddf9234099b331e1d90c54ece0ee88b)
1 // SPDX-License-Identifier: Apache-2.0
2 // Copyright (C) 2018 IBM Corp.
3 #include "config.h"
4 
5 #include "vpnor/pnor_partition_table.hpp"
6 
7 #include <assert.h>
8 #include <string.h>
9 #include <sys/mman.h>
10 
11 extern "C" {
12 #include "test/mbox.h"
13 #include "test/system.h"
14 }
15 
16 #include "vpnor/test/tmpd.hpp"
17 
18 static constexpr auto BLOCK_SIZE = 4 * 1024;
19 static constexpr auto PNOR_SIZE = 64 * 1024 * 1024;
20 static constexpr auto MEM_SIZE = BLOCK_SIZE * 2;
21 static constexpr auto ERASE_SIZE = BLOCK_SIZE;
22 static constexpr auto N_WINDOWS = 1;
23 static constexpr auto WINDOW_SIZE = BLOCK_SIZE;
24 static constexpr auto TOC_PART_SIZE = BLOCK_SIZE;
25 
26 const std::string toc[] = {
27     "partition00=part,00000000,00001000,80,READONLY",
28     "partition01=ONE,00001000,00002000,80,READWRITE",
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 /* Request access to the ToC base for one block */
36 static const uint8_t create_read_window[] = {0x04, 0x01, 0x00, 0x00, 0x01, 0x00,
37                                              0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
38                                              0x00, 0x00, 0x00, 0x00};
39 
40 /* Expect a response containing the ToC in one block */
41 static const uint8_t response[] = {
42     0x04, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x00,
43     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
44 };
45 
46 int main()
47 {
48     namespace test = openpower::virtual_pnor::test;
49     namespace vpnor = openpower::virtual_pnor;
50 
51     struct mbox_context* ctx;
52     int rc;
53 
54     system_set_reserved_size(MEM_SIZE);
55     system_set_mtd_sizes(PNOR_SIZE, ERASE_SIZE);
56 
57     ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE);
58     test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
59     vpnor::partition::Table table(ctx);
60 
61     /* Make sure the ToC exactly fits in the space allocated for it */
62     assert(table.capacity() == TOC_PART_SIZE);
63 
64     init_vpnor_from_paths(ctx);
65 
66     rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
67     assert(rc == 1);
68 
69     rc = mbox_command_dispatch(ctx, create_read_window,
70                                sizeof(create_read_window));
71     assert(rc == 1);
72 
73     rc = mbox_cmp(ctx, response, sizeof(response));
74     assert(rc == 0);
75 
76     /* Ensure our partition table is present and as expected */
77     const pnor_partition_table& toc = table.getHostTable();
78     rc = memcmp(ctx->mem, &toc, table.size());
79     assert(rc == 0);
80 
81     return 0;
82 }
83