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 /* TODO actually test the results and get rid of this */
  20 #define qmp_discard_response(qs, ...) qobject_unref(qtest_qmp(qs, __VA_ARGS__))
  21
  22 typedef struct {
  23     const char *args;
  24     uint64_t expected_boot;
  25     uint64_t expected_reboot;
  26 } boot_order_test;
  27
  28 static void test_a_boot_order(const char *machine,
  29                               const char *test_args,
  30                               uint64_t (*read_boot_order)(QTestState *),
  31                               uint64_t expected_boot,
  32                               uint64_t expected_reboot)
  33 {
  34     uint64_t actual;
  35     QTestState *qts;
  36
  37     if (machine && !qtest_has_machine(machine)) {
  38         g_test_skip("Machine is not available");
  39         return;
  40     }
  41
  42     qts = qtest_initf("-nodefaults%s%s %s", machine ? " -M " : "",
  43                       machine ?: "", test_args);
  44     actual = read_boot_order(qts);
  45     g_assert_cmphex(actual, ==, expected_boot);
  46     qmp_discard_response(qts, "{ 'execute': 'system_reset' }");
  47     /*
  48      * system_reset only requests reset.  We get a RESET event after
  49      * the actual reset completes.  Need to wait for that.
  50      */
  51     qtest_qmp_eventwait(qts, "RESET");
  52     actual = read_boot_order(qts);
  53     g_assert_cmphex(actual, ==, expected_reboot);
  54     qtest_quit(qts);
  55 }
  56
  57 static void test_boot_orders(const char *machine,
  58                              uint64_t (*read_boot_order)(QTestState *),
  59                              const boot_order_test *tests)
  60 {
  61     int i;
  62
  63     for (i = 0; tests[i].args; i++) {
  64         test_a_boot_order(machine, tests[i].args,
  65                           read_boot_order,
  66                           tests[i].expected_boot,
  67                           tests[i].expected_reboot);
  68     }
  69 }
  70
  71 static uint8_t read_mc146818(QTestState *qts, uint16_t port, uint8_t reg)
  72 {
  73     qtest_outb(qts, port, reg);
  74     return qtest_inb(qts, port + 1);
  75 }
  76
  77 static uint64_t read_boot_order_pc(QTestState *qts)
  78 {
  79     uint8_t b1 = read_mc146818(qts, 0x70, 0x38);
  80     uint8_t b2 = read_mc146818(qts, 0x70, 0x3d);
  81
  82     return b1 | (b2 << 8);
  83 }
  84
  85 static const boot_order_test test_cases_pc[] = {
  86     { "",
  87       0x1230, 0x1230 },
  88     { "-no-fd-bootchk",
  89       0x1231, 0x1231 },
  90     { "-boot c",
  91       0x0200, 0x0200 },
  92     { "-boot nda",
  93       0x3410, 0x3410 },
  94     { "-boot order=",
  95       0, 0 },
  96     { "-boot order= -boot order=c",
  97       0x0200, 0x0200 },
  98     { "-boot once=a",
  99       0x0100, 0x1230 },
 100     { "-boot once=a -no-fd-bootchk",
 101       0x0101, 0x1231 },
 102     { "-boot once=a,order=c",
 103       0x0100, 0x0200 },
 104     { "-boot once=d -boot order=nda",
 105       0x0300, 0x3410 },
 106     { "-boot once=a -boot once=b -boot once=c",
 107       0x0200, 0x1230 },
 108     {}
 109 };
 110
 111 static void test_pc_boot_order(void)
 112 {
 113     test_boot_orders(NULL, read_boot_order_pc, test_cases_pc);
 114 }
 115
 116 static uint64_t read_boot_order_pmac(QTestState *qts)
 117 {
 118     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xf0000510);
 119
 120     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 121 }
 122
 123 static const boot_order_test test_cases_fw_cfg[] = {
 124     { "", 'c', 'c' },
 125     { "-boot c", 'c', 'c' },
 126     { "-boot d", 'd', 'd' },
 127     { "-boot once=d,order=c", 'd', 'c' },
 128     {}
 129 };
 130
 131 static void test_pmac_oldworld_boot_order(void)
 132 {
 133     test_boot_orders("g3beige", read_boot_order_pmac, test_cases_fw_cfg);
 134 }
 135
 136 static void test_pmac_newworld_boot_order(void)
 137 {
 138     test_boot_orders("mac99", read_boot_order_pmac, test_cases_fw_cfg);
 139 }
 140
 141 static uint64_t read_boot_order_sun4m(QTestState *qts)
 142 {
 143     g_autoptr(QFWCFG) fw_cfg = mm_fw_cfg_init(qts, 0xd00000510ULL);
 144
 145     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 146 }
 147
 148 static void test_sun4m_boot_order(void)
 149 {
 150     test_boot_orders("SS-5", read_boot_order_sun4m, test_cases_fw_cfg);
 151 }
 152
 153 static uint64_t read_boot_order_sun4u(QTestState *qts)
 154 {
 155     g_autoptr(QFWCFG) fw_cfg = io_fw_cfg_init(qts, 0x510);
 156
 157     return qfw_cfg_get_u16(fw_cfg, FW_CFG_BOOT_DEVICE);
 158 }
 159
 160 static void test_sun4u_boot_order(void)
 161 {
 162     test_boot_orders("sun4u", read_boot_order_sun4u, test_cases_fw_cfg);
 163 }
 164
 165 int main(int argc, char *argv[])
 166 {
 167     const char *arch = qtest_get_arch();
 168
 169     g_test_init(&argc, &argv, NULL);
 170
 171     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 172         qtest_add_func("boot-order/pc", test_pc_boot_order);
 173     } else if (strcmp(arch, "ppc") == 0 || strcmp(arch, "ppc64") == 0) {
 174         qtest_add_func("boot-order/pmac_oldworld",
 175                        test_pmac_oldworld_boot_order);
 176         qtest_add_func("boot-order/pmac_newworld",
 177                        test_pmac_newworld_boot_order);
 178     } else if (strcmp(arch, "sparc") == 0) {
 179         qtest_add_func("boot-order/sun4m", test_sun4m_boot_order);
 180     } else if (strcmp(arch, "sparc64") == 0) {
 181         qtest_add_func("boot-order/sun4u", test_sun4u_boot_order);
 182     }
 183
 184     return g_test_run();
 185 }