diff options
Diffstat (limited to 'qemu/tests/hd-geo-test.c')
| -rw-r--r-- | qemu/tests/hd-geo-test.c | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/qemu/tests/hd-geo-test.c b/qemu/tests/hd-geo-test.c deleted file mode 100644 index c8e669ac2..000000000 --- a/qemu/tests/hd-geo-test.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * Hard disk geometry test cases. - * - * Copyright (c) 2012 Red Hat Inc. - * - * Authors: - * Markus Armbruster <armbru@redhat.com>, - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -/* - * Covers only IDE and tests only CMOS contents. Better than nothing. - * Improvements welcome. - */ - -#include "qemu/osdep.h" -#include <glib.h> -#include "qemu-common.h" -#include "libqtest.h" - -static char *create_test_img(int secs) -{ - char *template = strdup("/tmp/qtest.XXXXXX"); - int fd, ret; - - fd = mkstemp(template); - g_assert(fd >= 0); - ret = ftruncate(fd, (off_t)secs * 512); - g_assert(ret == 0); - close(fd); - return template; -} - -typedef struct { - int cyls, heads, secs, trans; -} CHST; - -typedef enum { - mbr_blank, mbr_lba, mbr_chs, - mbr_last -} MBRcontents; - -typedef enum { - /* order is relevant */ - backend_small, backend_large, backend_empty, - backend_last -} Backend; - -static const int img_secs[backend_last] = { - [backend_small] = 61440, - [backend_large] = 8388608, - [backend_empty] = -1, -}; - -static const CHST hd_chst[backend_last][mbr_last] = { - [backend_small] = { - [mbr_blank] = { 60, 16, 63, 0 }, - [mbr_lba] = { 60, 16, 63, 2 }, - [mbr_chs] = { 60, 16, 63, 0 } - }, - [backend_large] = { - [mbr_blank] = { 8322, 16, 63, 1 }, - [mbr_lba] = { 8322, 16, 63, 1 }, - [mbr_chs] = { 8322, 16, 63, 0 } - }, -}; - -static const char *img_file_name[backend_last]; - -static const CHST *cur_ide[4]; - -static bool is_hd(const CHST *expected_chst) -{ - return expected_chst && expected_chst->cyls; -} - -static void test_cmos_byte(int reg, int expected) -{ - enum { cmos_base = 0x70 }; - int actual; - - outb(cmos_base + 0, reg); - actual = inb(cmos_base + 1); - g_assert(actual == expected); -} - -static void test_cmos_bytes(int reg0, int n, uint8_t expected[]) -{ - int i; - - for (i = 0; i < 9; i++) { - test_cmos_byte(reg0 + i, expected[i]); - } -} - -static void test_cmos_disk_data(void) -{ - test_cmos_byte(0x12, - (is_hd(cur_ide[0]) ? 0xf0 : 0) | - (is_hd(cur_ide[1]) ? 0x0f : 0)); -} - -static void test_cmos_drive_cyl(int reg0, const CHST *expected_chst) -{ - if (is_hd(expected_chst)) { - int c = expected_chst->cyls; - int h = expected_chst->heads; - int s = expected_chst->secs; - uint8_t expected_bytes[9] = { - c & 0xff, c >> 8, h, 0xff, 0xff, 0xc0 | ((h > 8) << 3), - c & 0xff, c >> 8, s - }; - test_cmos_bytes(reg0, 9, expected_bytes); - } else { - int i; - - for (i = 0; i < 9; i++) { - test_cmos_byte(reg0 + i, 0); - } - } -} - -static void test_cmos_drive1(void) -{ - test_cmos_byte(0x19, is_hd(cur_ide[0]) ? 47 : 0); - test_cmos_drive_cyl(0x1b, cur_ide[0]); -} - -static void test_cmos_drive2(void) -{ - test_cmos_byte(0x1a, is_hd(cur_ide[1]) ? 47 : 0); - test_cmos_drive_cyl(0x24, cur_ide[1]); -} - -static void test_cmos_disktransflag(void) -{ - int val, i; - - val = 0; - for (i = 0; i < ARRAY_SIZE(cur_ide); i++) { - if (is_hd(cur_ide[i])) { - val |= cur_ide[i]->trans << (2 * i); - } - } - test_cmos_byte(0x39, val); -} - -static void test_cmos(void) -{ - test_cmos_disk_data(); - test_cmos_drive1(); - test_cmos_drive2(); - test_cmos_disktransflag(); -} - -static int append_arg(int argc, char *argv[], int argv_sz, char *arg) -{ - g_assert(argc + 1 < argv_sz); - argv[argc++] = arg; - argv[argc] = NULL; - return argc; -} - -static int setup_common(char *argv[], int argv_sz) -{ - memset(cur_ide, 0, sizeof(cur_ide)); - return append_arg(0, argv, argv_sz, - g_strdup("-nodefaults")); -} - -static void setup_mbr(int img_idx, MBRcontents mbr) -{ - static const uint8_t part_lba[16] = { - /* chs 0,1,1 (lba 63) to chs 0,127,63 (8001 sectors) */ - 0x80, 1, 1, 0, 6, 127, 63, 0, 63, 0, 0, 0, 0x41, 0x1F, 0, 0, - }; - static const uint8_t part_chs[16] = { - /* chs 0,1,1 (lba 63) to chs 7,15,63 (8001 sectors) */ - 0x80, 1, 1, 0, 6, 15, 63, 7, 63, 0, 0, 0, 0x41, 0x1F, 0, 0, - }; - uint8_t buf[512]; - int fd, ret; - - memset(buf, 0, sizeof(buf)); - - if (mbr != mbr_blank) { - buf[0x1fe] = 0x55; - buf[0x1ff] = 0xAA; - memcpy(buf + 0x1BE, mbr == mbr_lba ? part_lba : part_chs, 16); - } - - fd = open(img_file_name[img_idx], O_WRONLY); - g_assert(fd >= 0); - ret = write(fd, buf, sizeof(buf)); - g_assert(ret == sizeof(buf)); - close(fd); -} - -static int setup_ide(int argc, char *argv[], int argv_sz, - int ide_idx, const char *dev, int img_idx, - MBRcontents mbr, const char *opts) -{ - char *s1, *s2, *s3; - - s1 = g_strdup_printf("-drive id=drive%d,if=%s", - ide_idx, dev ? "none" : "ide"); - s2 = dev ? g_strdup("") : g_strdup_printf(",index=%d", ide_idx); - - if (img_secs[img_idx] >= 0) { - setup_mbr(img_idx, mbr); - s3 = g_strdup_printf(",format=raw,file=%s", img_file_name[img_idx]); - } else { - s3 = g_strdup(",media=cdrom"); - } - argc = append_arg(argc, argv, argv_sz, - g_strdup_printf("%s%s%s%s", s1, s2, s3, opts)); - g_free(s1); - g_free(s2); - g_free(s3); - - if (dev) { - argc = append_arg(argc, argv, argv_sz, - g_strdup_printf("-device %s,drive=drive%d," - "bus=ide.%d,unit=%d", - dev, ide_idx, - ide_idx / 2, ide_idx % 2)); - } - return argc; -} - -/* - * Test case: no IDE devices - */ -static void test_ide_none(void) -{ - char *argv[256]; - - setup_common(argv, ARRAY_SIZE(argv)); - qtest_start(g_strjoinv(" ", argv)); - test_cmos(); - qtest_end(); -} - -static void test_ide_mbr(bool use_device, MBRcontents mbr) -{ - char *argv[256]; - int argc; - Backend i; - const char *dev; - - argc = setup_common(argv, ARRAY_SIZE(argv)); - for (i = 0; i < backend_last; i++) { - cur_ide[i] = &hd_chst[i][mbr]; - dev = use_device ? (is_hd(cur_ide[i]) ? "ide-hd" : "ide-cd") : NULL; - argc = setup_ide(argc, argv, ARRAY_SIZE(argv), i, dev, i, mbr, ""); - } - qtest_start(g_strjoinv(" ", argv)); - test_cmos(); - qtest_end(); -} - -/* - * Test case: IDE devices (if=ide) with blank MBRs - */ -static void test_ide_drive_mbr_blank(void) -{ - test_ide_mbr(false, mbr_blank); -} - -/* - * Test case: IDE devices (if=ide) with MBRs indicating LBA is in use - */ -static void test_ide_drive_mbr_lba(void) -{ - test_ide_mbr(false, mbr_lba); -} - -/* - * Test case: IDE devices (if=ide) with MBRs indicating CHS is in use - */ -static void test_ide_drive_mbr_chs(void) -{ - test_ide_mbr(false, mbr_chs); -} - -/* - * Test case: IDE devices (if=none) with blank MBRs - */ -static void test_ide_device_mbr_blank(void) -{ - test_ide_mbr(true, mbr_blank); -} - -/* - * Test case: IDE devices (if=none) with MBRs indicating LBA is in use - */ -static void test_ide_device_mbr_lba(void) -{ - test_ide_mbr(true, mbr_lba); -} - -/* - * Test case: IDE devices (if=none) with MBRs indicating CHS is in use - */ -static void test_ide_device_mbr_chs(void) -{ - test_ide_mbr(true, mbr_chs); -} - -static void test_ide_drive_user(const char *dev, bool trans) -{ - char *argv[256], *opts; - int argc; - int secs = img_secs[backend_small]; - const CHST expected_chst = { secs / (4 * 32) , 4, 32, trans }; - - argc = setup_common(argv, ARRAY_SIZE(argv)); - opts = g_strdup_printf("%s,%s%scyls=%d,heads=%d,secs=%d", - dev ?: "", - trans && dev ? "bios-chs-" : "", - trans ? "trans=lba," : "", - expected_chst.cyls, expected_chst.heads, - expected_chst.secs); - cur_ide[0] = &expected_chst; - argc = setup_ide(argc, argv, ARRAY_SIZE(argv), - 0, dev ? opts : NULL, backend_small, mbr_chs, - dev ? "" : opts); - g_free(opts); - qtest_start(g_strjoinv(" ", argv)); - test_cmos(); - qtest_end(); -} - -/* - * Test case: IDE device (if=ide) with explicit CHS - */ -static void test_ide_drive_user_chs(void) -{ - test_ide_drive_user(NULL, false); -} - -/* - * Test case: IDE device (if=ide) with explicit CHS and translation - */ -static void test_ide_drive_user_chst(void) -{ - test_ide_drive_user(NULL, true); -} - -/* - * Test case: IDE device (if=none) with explicit CHS - */ -static void test_ide_device_user_chs(void) -{ - test_ide_drive_user("ide-hd", false); -} - -/* - * Test case: IDE device (if=none) with explicit CHS and translation - */ -static void test_ide_device_user_chst(void) -{ - test_ide_drive_user("ide-hd", true); -} - -/* - * Test case: IDE devices (if=ide), but use index=0 for CD-ROM - */ -static void test_ide_drive_cd_0(void) -{ - char *argv[256]; - int argc, ide_idx; - Backend i; - - argc = setup_common(argv, ARRAY_SIZE(argv)); - for (i = 0; i <= backend_empty; i++) { - ide_idx = backend_empty - i; - cur_ide[ide_idx] = &hd_chst[i][mbr_blank]; - argc = setup_ide(argc, argv, ARRAY_SIZE(argv), - ide_idx, NULL, i, mbr_blank, ""); - } - qtest_start(g_strjoinv(" ", argv)); - test_cmos(); - qtest_end(); -} - -int main(int argc, char **argv) -{ - Backend i; - int ret; - - g_test_init(&argc, &argv, NULL); - - for (i = 0; i < backend_last; i++) { - if (img_secs[i] >= 0) { - img_file_name[i] = create_test_img(img_secs[i]); - } else { - img_file_name[i] = NULL; - } - } - - qtest_add_func("hd-geo/ide/none", test_ide_none); - qtest_add_func("hd-geo/ide/drive/mbr/blank", test_ide_drive_mbr_blank); - qtest_add_func("hd-geo/ide/drive/mbr/lba", test_ide_drive_mbr_lba); - qtest_add_func("hd-geo/ide/drive/mbr/chs", test_ide_drive_mbr_chs); - qtest_add_func("hd-geo/ide/drive/user/chs", test_ide_drive_user_chs); - qtest_add_func("hd-geo/ide/drive/user/chst", test_ide_drive_user_chst); - qtest_add_func("hd-geo/ide/drive/cd_0", test_ide_drive_cd_0); - qtest_add_func("hd-geo/ide/device/mbr/blank", test_ide_device_mbr_blank); - qtest_add_func("hd-geo/ide/device/mbr/lba", test_ide_device_mbr_lba); - qtest_add_func("hd-geo/ide/device/mbr/chs", test_ide_device_mbr_chs); - qtest_add_func("hd-geo/ide/device/user/chs", test_ide_device_user_chs); - qtest_add_func("hd-geo/ide/device/user/chst", test_ide_device_user_chst); - - ret = g_test_run(); - - for (i = 0; i < backend_last; i++) { - unlink(img_file_name[i]); - } - - return ret; -} |