1 // SPDX-License-Identifier: Apache-2.0
2 // Copyright (C) 2018 IBM Corp.
3 #include "config.h"
4
5 extern "C" {
6 #include "backend.h"
7 #include "test/mbox.h"
8 #include "test/system.h"
9 }
10
11 #include "vpnor/table.hpp"
12 #include "vpnor/test/tmpd.hpp"
13
14 #include <sys/mman.h>
15
16 #include <cassert>
17 #include <cstring>
18
19 static constexpr auto BLOCK_SIZE = 4 * 1024;
20 static constexpr auto PNOR_SIZE = 64 * 1024 * 1024;
21 static constexpr auto MEM_SIZE = BLOCK_SIZE * 2;
22 static constexpr auto ERASE_SIZE = BLOCK_SIZE;
23 static constexpr auto N_WINDOWS = 1;
24 static constexpr auto WINDOW_SIZE = BLOCK_SIZE;
25 static constexpr auto TOC_PART_SIZE = BLOCK_SIZE;
26
27 const std::string toc[] = {
28 "partition00=part,00000000,00001000,80,READONLY",
29 "partition01=ONE,00001000,00002000,80,READWRITE",
30 };
31
32 static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
33 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
34 0x00, 0x00, 0x00, 0x00};
35
36 /* Request access to the ToC base for one block */
37 static const uint8_t create_read_window[] = {0x04, 0x01, 0x00, 0x00, 0x01, 0x00,
38 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
39 0x00, 0x00, 0x00, 0x00};
40
41 /* Expect a response containing the ToC in one block */
42 static const uint8_t response[] = {
43 0x04, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x00,
44 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
45 };
46
main()47 int main()
48 {
49 namespace test = openpower::virtual_pnor::test;
50 namespace vpnor = openpower::virtual_pnor;
51
52 struct mbox_context* ctx;
53 int rc;
54
55 system_set_reserved_size(MEM_SIZE);
56 system_set_mtd_sizes(PNOR_SIZE, ERASE_SIZE);
57
58 ctx = mbox_create_frontend_context(N_WINDOWS, WINDOW_SIZE);
59 test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE);
60 vpnor::partition::Table table(&ctx->backend);
61
62 /* Make sure the ToC exactly fits in the space allocated for it */
63 assert(table.capacity() == TOC_PART_SIZE);
64
65 rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
66 assert(rc == 1);
67
68 rc = mbox_command_dispatch(ctx, create_read_window,
69 sizeof(create_read_window));
70 assert(rc == 1);
71
72 rc = mbox_cmp(ctx, response, sizeof(response));
73 assert(rc == 0);
74
75 /* Ensure our partition table is present and as expected */
76 const pnor_partition_table& toc = table.getHostTable();
77 rc = memcmp(ctx->mem, &toc, table.size());
78 assert(rc == 0);
79
80 return 0;
81 }
82