xref: /openbmc/hiomapd/vpnor/test/force_readonly_toc.cpp (revision 8a0efd5e9e0f544fc383cd9cd92979b27ccc0a94)
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 <endian.h>
9 #include <string.h>
10 #include <sys/mman.h>
11 
12 extern "C" {
13 #include "test/mbox.h"
14 #include "test/system.h"
15 #include "vpnor/pnor_partition_defs.h"
16 }
17 
18 #include "vpnor/test/tmpd.hpp"
19 
20 static constexpr auto BLOCK_SIZE = 4 * 1024;
21 static constexpr auto PNOR_SIZE = BLOCK_SIZE;
22 static constexpr auto MEM_SIZE = BLOCK_SIZE;
23 static constexpr auto ERASE_SIZE = BLOCK_SIZE;
24 static constexpr auto N_WINDOWS = 1;
25 static constexpr auto WINDOW_SIZE = BLOCK_SIZE;
26 static constexpr auto TOC_PART_SIZE = BLOCK_SIZE;
27 
28 const std::string toc[] = {
29     "partition00=part,00000000,00001000,80,READWRITE",
30     "partition01=ONE,00001000,00002000,80,READWRITE",
31 };
32 
33 static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
34                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
35                                    0x00, 0x00, 0x00, 0x00};
36 
37 static const uint8_t read_toc[] = {0x04, 0x04, 0x00, 0x00, 0x01, 0x00,
38                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
39                                    0x00, 0x00, 0x00, 0x00};
40 
41 int main()
42 {
43     namespace test = openpower::virtual_pnor::test;
44     namespace vpnor = openpower::virtual_pnor;
45 
46     struct pnor_partition_table* htable;
47     struct mbox_context* ctx;
48     uint32_t perms;
49     int rc;
50 
51     system_set_reserved_size(MEM_SIZE);
52     system_set_mtd_sizes(PNOR_SIZE, ERASE_SIZE);
53 
54     ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE);
55     test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
56     vpnor::partition::Table table(ctx);
57 
58     assert(table.capacity() == TOC_PART_SIZE);
59 
60     init_vpnor_from_paths(ctx);
61 
62     rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
63     assert(rc == MBOX_R_SUCCESS);
64 
65     rc = mbox_command_dispatch(ctx, read_toc, sizeof(read_toc));
66     assert(rc == MBOX_R_SUCCESS);
67 
68     htable = reinterpret_cast<struct pnor_partition_table*>(ctx->mem);
69     perms = be32toh(htable->partitions[0].data.user.data[1]);
70     assert(perms & PARTITION_READONLY);
71 
72     htable = reinterpret_cast<struct pnor_partition_table*>(ctx->mem);
73     perms = be32toh(htable->partitions[1].data.user.data[1]);
74     assert(!(perms & PARTITION_READONLY));
75 
76     return 0;
77 }
78