tests/qtest/boot-order-test.c

   1 /*
   2  * Boot order test cases.
   3  *
   4  * Copyright (c) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Markus Armbruster <armbru@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "libqos/fw_cfg.h"
  15 #include "libqtest.h"
  16 #include "qapi/qmp/qdict.h"
  17 #include "standard-headers/linux/qemu_fw_cfg.h"
  18
  19 typedef struct {
  20     const char *args;
  21     uint64_t expected_boot;
  22     uint64_t expected_reboot;
  23 } boot_order_test;
  24
  25 static void test_a_boot_order(const char *machine,
  26                               const char *test_args,
  27                               uint64_t (*read_boot_order)(QTestState *),
  28                               uint64_t expected_boot,
  29                               uint64_t expected_reboot)
  30 {
  31     uint64_t actual;
  32     QTestState *qts;
  33
  34     if (machine && !qtest_has_machine(machine)) {
  35         g_test_skip("Machine is not available");
  36         return;
  37     }
  38
  39     qts = qtest_initf("-nodefaults%s%s %s", machine ? " -M " : "",
  40                       machine ?: "", test_args);
  41     actual = read_boot_order(qts);
  42     g_assert_cmphex(actual, ==, expected_boot);
  43     qtest_qmp_assert_success(qts, "{ 'execute': 'system_reset' }");
  44     /*
  45      * system_reset only requests reset.  We get a RESET event after
  46      * the actual reset completes.  Need to wait for that.
  47      */
  48     qtest_qmp_eventwait(qts, "RESET");
  49     actual = read_boot_order(qts);
  50     g_assert_cmphex(actual, ==, expected_reboot);
  51     qtest_quit(qts);
  52 }
  53
  54 static void test_boot_orders(const char *machine,
  55                              uint64_t (*read_boot_order)(QTestState *),
  56                              const boot_order_test *tests)
  57 {
  58     int i;
  59
  60     for (i = 0; tests[i].args; i++) {
  61         test_a_boot_order(machine, tests[i].args,
  62                           read_boot_order,
  63                           tests[i].expected_boot,
  64                           tests[i].expected_reboot);
  65     }
  66 }
  67
  68 static uint8_t read_mc146818(QTestState *qts, uint16_t port, uint8_t reg)
  69 {
  70     qtest_outb(qts, port, reg);
  71     return qtest_inb(qts, port + 1);
  72 }
  73
  74 static uint64_t read_boot_order_pc(QTestState *qts)
  75 {
  76     uint8_t b1 = read_mc146818(qts, 0x70, 0x38);
  77     uint8_t b2 = read_mc146818(qts, 0x70, 0x3d);
  78
  79     return b1 | (b2 << 8);
  80 }
  81
  82 static const boot_order_test test_cases_pc[] = {
  83     { "",
  84       0x1230, 0x1230 },
  85     { "-no-fd-bootchk",
  86       0x1231, 0x1231 },
  87     { "-boot c",
  88       0x0200, 0x0200 },
  89     { "-boot nda",
  90       0x3410, 0x3410 },
  91     { "-boot order=",
  92       0, 0 },
  93     { "-boot order= -boot order=c",
  94       0x0200, 0x0200 },
  95     { "-boot once=a",
  96       0x0100, 0x1230 },
  97     { "-boot once=a -no-fd-bootchk",
  98       0x0101, 0x1231 },
  99     { "-boot once=a,order=c",
 100       0x0100, 0x0200 },
 101     { "-boot once=d -boot order=nda",
 102       0x0300, 0x3410 },
 103     { "-boot once=a -boot once=b -boot once=c",
 104       0x0200, 0x1230 },
 105     {}
 106 };
 107
 108 static void test_pc_boot_order(void)
 109 {
 110     test_boot_orders(NULL, read_boot_order_pc, test_cases_pc);
 111 }
 112
 113 static uint64_t read_boot_order_pmac(QTestState *qts)
 114 {
 115     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510);
 116
 117     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 118 }
 119
 120 static const boot_order_test test_cases_fw_cfg[] = {
 121     { "", 'c', 'c' },
 122     { "-boot c", 'c', 'c' },
 123     { "-boot d", 'd', 'd' },
 124     { "-boot once=d,order=c", 'd', 'c' },
 125     {}
 126 };
 127
 128 static void test_pmac_oldworld_boot_order(void)
 129 {
 130     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
 131 }
 132
 133 static void test_pmac_newworld_boot_order(void)
 134 {
 135     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
 136 }
 137
 138 static uint64_t read_boot_order_sun4m(QTestState *qts)
 139 {
 140     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL);
 141
 142     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 143 }
 144
 145 static void test_sun4m_boot_order(void)
 146 {
 147     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
 148 }
 149
 150 static uint64_t read_boot_order_sun4u(QTestState *qts)
 151 {
 152     g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510);
 153
 154     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 155 }
 156
 157 static void test_sun4u_boot_order(void)
 158 {
 159     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
 160 }
 161
 162 int main(int argc, char *argv[])
 163 {
 164     const char *arch = qtest_get_arch();
 165
 166     g_test_init(&argc, &argv, NULL);
 167
 168     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 169         qtest_add_func("boot-order/pc", test_pc_boot_order);
 170     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
 171         qtest_add_func("boot-order/pmac_oldworld",
 172                        test_pmac_oldworld_boot_order);
 173         qtest_add_func("boot-order/pmac_newworld",
 174                        test_pmac_newworld_boot_order);
 175     } else if (strcmp(arch, "sparc") == 0) {
 176         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
 177     } else if (strcmp(arch, "sparc64") == 0) {
 178         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
 179     }
 180
 181     return g_test_run();
 182 }