tests: check decoding of HDIO_* ioctls

* tests/.gitignore: Add ioctl_hdio, ioctl_hdio-success,
ioctl_hdio-success-Xabbrev, ioctl_hdio-success-Xraw,
ioctl_hdio-success-Xverbose, ioctl_hdio-success-v,
ioctl_hdio-success-v-Xabbrev, ioctl_hdio-success-v-Xraw,
ioctl_hdio-success-v-Xverbose, ioctl_hdio-Xabbrev,
ioctl_hdio-Xraw, ioctl_hdio-Xverbose, ioctl_hdio-v,
ioctl_hdio-v-Xabbrev, ioctl_hdio-v-Xraw, and ioctl_hdio-v-Xverbose.
* tests/Makefile.am (check_PROGRAMS): Add ioctl_hdio-success,
ioctl_hdio-success-Xabbrev, ioctl_hdio-success-Xraw,
ioctl_hdio-success-Xverbose, ioctl_hdio-success-v,
ioctl_hdio-success-v-Xabbrev, ioctl_hdio-success-v-Xraw,
and ioctl_hdio-success-v-Xverbose.
* tests/gen_tests.in (ioctl_hdio, ioctl_hdio-Xabbrev, ioctl_hdio-Xraw,
ioctl_hdio-Xverbose, ioctl_hdio-v, ioctl_hdio-v-Xabbrev,
ioctl_hdio-v-Xraw, ioctl_hdio-v-Xverbose, ioctl_hdio-success,
ioctl_hdio-success-Xabbrev, ioctl_hdio-success-Xraw,
ioctl_hdio-success-Xverbose, ioctl_hdio-success-v,
ioctl_hdio-success-v-Xabbrev, ioctl_hdio-success-v-Xraw,
ioctl_hdio-success-v-Xverbose): New tests.
* tests/ioctl_hdio.c: New file.
* tests/ioctl_hdio-Xabbrev.c: Likewise.
* tests/ioctl_hdio-Xraw.c: Likewise.
* tests/ioctl_hdio-Xverbose.c: Likewise.
* tests/ioctl_hdio-success.c: Likewise.
* tests/ioctl_hdio-success-Xabbrev.c: Likewise.
* tests/ioctl_hdio-success-Xraw.c: Likewise.
* tests/ioctl_hdio-success-Xverbose.c: Likewise.
* tests/ioctl_hdio-success-v.c: Likewise.
* tests/ioctl_hdio-success-v-Xabbrev.c: Likewise.
* tests/ioctl_hdio-success-v-Xraw.c: Likewise.
* tests/ioctl_hdio-success-v-Xverbose.c: Likewise.
* tests/ioctl_hdio-v.c: Likewise.
* tests/ioctl_hdio-v-Xabbrev.c: Likewise.
* tests/ioctl_hdio-v-Xraw.c: Likewise.
* tests/ioctl_hdio-v-Xverbose.c: Likewise.
* tests/pure_executables.list: Add ioctl_hdio, ioctl_hdio-Xabbrev,
ioctl_hdio-Xraw, ioctl_hdio-Xverbose, ioctl_hdio-v,
ioctl_hdio-v-Xabbrev, ioctl_hdio-v-Xraw, and ioctl_hdio-v-Xverbose.

20 files changed, 243 insertions, 0 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 2e939123a..66f3695bd 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -200,6 +200,22 @@ ioctl_evdev-v
 ioctl_evdev-v-Xabbrev
 ioctl_evdev-v-Xraw
 ioctl_evdev-v-Xverbose
+ioctl_hdio
+ioctl_hdio-success
+ioctl_hdio-success-Xabbrev
+ioctl_hdio-success-Xraw
+ioctl_hdio-success-Xverbose
+ioctl_hdio-success-v
+ioctl_hdio-success-v-Xabbrev
+ioctl_hdio-success-v-Xraw
+ioctl_hdio-success-v-Xverbose
+ioctl_hdio-Xabbrev
+ioctl_hdio-Xraw
+ioctl_hdio-Xverbose
+ioctl_hdio-v
+ioctl_hdio-v-Xabbrev
+ioctl_hdio-v-Xraw
+ioctl_hdio-v-Xverbose
 ioctl_inotify
 ioctl_kvm_run
 ioctl_kvm_run-v
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4e191b996..a1087fbaa 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -126,6 +126,14 @@ check_PROGRAMS = $(PURE_EXECUTABLES) \
 	ioctl_evdev-success-v-Xabbrev \
 	ioctl_evdev-success-v-Xraw \
 	ioctl_evdev-success-v-Xverbose \
+	ioctl_hdio-success \
+	ioctl_hdio-success-Xabbrev \
+	ioctl_hdio-success-Xraw \
+	ioctl_hdio-success-Xverbose \
+	ioctl_hdio-success-v \
+	ioctl_hdio-success-v-Xabbrev \
+	ioctl_hdio-success-v-Xraw \
+	ioctl_hdio-success-v-Xverbose \
 	ioctl_loop-nv \
 	ioctl_loop-v \
 	ioctl_nsfs \
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index 04c17b8ae..b866c4593 100644
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -177,6 +177,22 @@ ioctl_evdev-success-v	+ioctl_evdev-success.test -a26 -v
 ioctl_evdev-success-v-Xabbrev	+ioctl_evdev-success.test -v -Xabbrev
 ioctl_evdev-success-v-Xraw	+ioctl_evdev-success.test -a27 -v -Xraw
 ioctl_evdev-success-v-Xverbose	+ioctl_evdev-success.test -a43 -v -Xverbose
+ioctl_hdio	+ioctl.test -a27
+ioctl_hdio-Xabbrev	+ioctl.test -a27 -Xabbrev
+ioctl_hdio-Xraw	+ioctl.test -a20 -Xraw
+ioctl_hdio-Xverbose	+ioctl.test -a39 -Xverbose
+ioctl_hdio-v	+ioctl.test -a27 -v
+ioctl_hdio-v-Xabbrev	+ioctl.test -a27 -v -Xabbrev
+ioctl_hdio-v-Xraw	+ioctl.test -a20 -v -Xraw
+ioctl_hdio-v-Xverbose	+ioctl.test -a39 -v -Xverbose
+ioctl_hdio-success	+ioctl-success.sh -a27
+ioctl_hdio-success-Xabbrev	+ioctl-success.sh -a27 -Xabbrev
+ioctl_hdio-success-Xraw	+ioctl-success.sh -a20 -Xraw
+ioctl_hdio-success-Xverbose	+ioctl-success.sh -a39 -Xverbose
+ioctl_hdio-success-v	+ioctl-success.sh -a27 -v
+ioctl_hdio-success-v-Xabbrev	+ioctl-success.sh -a27 -v -Xabbrev
+ioctl_hdio-success-v-Xraw	+ioctl-success.sh -a20 -v -Xraw
+ioctl_hdio-success-v-Xverbose	+ioctl-success.sh -a39 -v -Xverbose
 ioctl_inotify	+ioctl.test
 ioctl_kvm_run	+ioctl.test -a36 -y
 ioctl_kvm_run-v	+ioctl.test -v -a36 -y
diff --git a/tests/ioctl_hdio-Xabbrev.c b/tests/ioctl_hdio-Xabbrev.c
new file mode 100644
index 000000000..aa0af2acd
--- /dev/null
+++ b/tests/ioctl_hdio-Xabbrev.c
@@ -0,0 +1,2 @@
+#define XLAT_ABBREV 1
+#include "ioctl_hdio.c"
diff --git a/tests/ioctl_hdio-Xraw.c b/tests/ioctl_hdio-Xraw.c
new file mode 100644
index 000000000..9e169a85d
--- /dev/null
+++ b/tests/ioctl_hdio-Xraw.c
@@ -0,0 +1,2 @@
+#define XLAT_RAW 1
+#include "ioctl_hdio.c"
diff --git a/tests/ioctl_hdio-Xverbose.c b/tests/ioctl_hdio-Xverbose.c
new file mode 100644
index 000000000..29e45e8e0
--- /dev/null
+++ b/tests/ioctl_hdio-Xverbose.c
@@ -0,0 +1,2 @@
+#define XLAT_VERBOSE 1
+#include "ioctl_hdio.c"
diff --git a/tests/ioctl_hdio-success-Xabbrev.c b/tests/ioctl_hdio-success-Xabbrev.c
new file mode 100644
index 000000000..410f1969c
--- /dev/null
+++ b/tests/ioctl_hdio-success-Xabbrev.c
@@ -0,0 +1,2 @@
+#define XLAT_ABBREV 1
+#include "ioctl_hdio-success.c"
diff --git a/tests/ioctl_hdio-success-Xraw.c b/tests/ioctl_hdio-success-Xraw.c
new file mode 100644
index 000000000..ee63bb8b1
--- /dev/null
+++ b/tests/ioctl_hdio-success-Xraw.c
@@ -0,0 +1,2 @@
+#define XLAT_RAW 1
+#include "ioctl_hdio-success.c"
diff --git a/tests/ioctl_hdio-success-Xverbose.c b/tests/ioctl_hdio-success-Xverbose.c
new file mode 100644
index 000000000..bef62b06b
--- /dev/null
+++ b/tests/ioctl_hdio-success-Xverbose.c
@@ -0,0 +1,2 @@
+#define XLAT_VERBOSE 1
+#include "ioctl_hdio-success.c"
diff --git a/tests/ioctl_hdio-success-v-Xabbrev.c b/tests/ioctl_hdio-success-v-Xabbrev.c
new file mode 100644
index 000000000..13745378d
--- /dev/null
+++ b/tests/ioctl_hdio-success-v-Xabbrev.c
@@ -0,0 +1,2 @@
+#define XLAT_ABBREV 1
+#include "ioctl_hdio-success-v.c"
diff --git a/tests/ioctl_hdio-success-v-Xraw.c b/tests/ioctl_hdio-success-v-Xraw.c
new file mode 100644
index 000000000..c34ad5850
--- /dev/null
+++ b/tests/ioctl_hdio-success-v-Xraw.c
@@ -0,0 +1,2 @@
+#define XLAT_RAW 1
+#include "ioctl_hdio-success-v.c"
diff --git a/tests/ioctl_hdio-success-v-Xverbose.c b/tests/ioctl_hdio-success-v-Xverbose.c
new file mode 100644
index 000000000..4f44b496d
--- /dev/null
+++ b/tests/ioctl_hdio-success-v-Xverbose.c
@@ -0,0 +1,2 @@
+#define XLAT_VERBOSE 1
+#include "ioctl_hdio-success-v.c"
diff --git a/tests/ioctl_hdio-success-v.c b/tests/ioctl_hdio-success-v.c
new file mode 100644
index 000000000..f48ca935d
--- /dev/null
+++ b/tests/ioctl_hdio-success-v.c
@@ -0,0 +1,2 @@
+#define VERBOSE 1
+#include "ioctl_hdio-success.c"
diff --git a/tests/ioctl_hdio-success.c b/tests/ioctl_hdio-success.c
new file mode 100644
index 000000000..680d7033a
--- /dev/null
+++ b/tests/ioctl_hdio-success.c
@@ -0,0 +1,2 @@
+#define INJECT_RETVAL 42
+#include "ioctl_hdio.c"
diff --git a/tests/ioctl_hdio-v-Xabbrev.c b/tests/ioctl_hdio-v-Xabbrev.c
new file mode 100644
index 000000000..86aca7d65
--- /dev/null
+++ b/tests/ioctl_hdio-v-Xabbrev.c
@@ -0,0 +1,2 @@
+#define XLAT_ABBREV 1
+#include "ioctl_hdio-v.c"
diff --git a/tests/ioctl_hdio-v-Xraw.c b/tests/ioctl_hdio-v-Xraw.c
new file mode 100644
index 000000000..e55841aac
--- /dev/null
+++ b/tests/ioctl_hdio-v-Xraw.c
@@ -0,0 +1,2 @@
+#define XLAT_RAW 1
+#include "ioctl_hdio-v.c"
diff --git a/tests/ioctl_hdio-v-Xverbose.c b/tests/ioctl_hdio-v-Xverbose.c
new file mode 100644
index 000000000..00b524eb2
--- /dev/null
+++ b/tests/ioctl_hdio-v-Xverbose.c
@@ -0,0 +1,2 @@
+#define XLAT_VERBOSE 1
+#include "ioctl_hdio-v.c"
diff --git a/tests/ioctl_hdio-v.c b/tests/ioctl_hdio-v.c
new file mode 100644
index 000000000..fcff67021
--- /dev/null
+++ b/tests/ioctl_hdio-v.c
@@ -0,0 +1,2 @@
+#define VERBOSE 1
+#include "ioctl_hdio.c"
diff --git a/tests/ioctl_hdio.c b/tests/ioctl_hdio.c
new file mode 100644
index 000000000..51163b8da
--- /dev/null
+++ b/tests/ioctl_hdio.c
@@ -0,0 +1,165 @@
+/*
+ * Check HDIO_* ioctl decoding.
+ *
+ * Copyright (c) 2020 The strace developers.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "tests.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <linux/hdreg.h>
+#include <sys/ioctl.h>
+
+static const char *errstr;
+
+static long
+do_ioctl(kernel_ulong_t cmd, kernel_ulong_t arg)
+{
+	long rc = ioctl(-1, cmd, arg);
+
+	errstr = sprintrc(rc);
+
+#ifdef INJECT_RETVAL
+	if (rc != INJECT_RETVAL)
+		error_msg_and_fail("Got a return value of %ld != %ld",
+				   rc, (long) INJECT_RETVAL);
+
+	static char inj_errstr[4096];
+
+	snprintf(inj_errstr, sizeof(inj_errstr), "%s (INJECTED)", errstr);
+	errstr = inj_errstr;
+#endif
+
+	return rc;
+}
+
+static inline long
+do_ioctl_ptr(kernel_ulong_t cmd, const void *arg)
+{
+	return do_ioctl(cmd, (uintptr_t) arg);
+}
+
+int
+main(int argc, char *argv[])
+{
+#ifdef INJECT_RETVAL
+	unsigned long num_skip;
+	bool locked = false;
+
+	if (argc < 2)
+		error_msg_and_fail("Usage: %s NUM_SKIP", argv[0]);
+
+	num_skip = strtoul(argv[1], NULL, 0);
+
+	for (size_t i = 0; i < num_skip; i++) {
+		long ret = ioctl(-1, HDIO_GET_UNMASKINTR, 0);
+
+		printf("ioctl(-1, %s, 0) = %s%s\n",
+		       XLAT_STR(HDIO_GET_UNMASKINTR), sprintrc(ret),
+		       ret == INJECT_RETVAL ? " (INJECTED)" : "");
+
+		if (ret != INJECT_RETVAL)
+			continue;
+
+		locked = true;
+		break;
+	}
+
+	if (!locked)
+		error_msg_and_fail("Hasn't locked on ioctl(-1"
+				   ", HDIO_GET_UNMASKINTR, 0) returning %d",
+				   INJECT_RETVAL);
+#endif
+
+	long rc;
+
+	/* Decoding is not supported */
+	static const struct {
+		uint32_t cmd;
+		const char *str;
+	} unsupp_cmds[] = {
+		{ ARG_STR(HDIO_GET_UNMASKINTR) },
+		{ ARG_STR(HDIO_GET_MULTCOUNT) },
+		{ ARG_STR(HDIO_GET_QDMA) },
+		{ ARG_STR(HDIO_SET_XFER) },
+		{ ARG_STR(HDIO_OBSOLETE_IDENTITY) },
+		{ ARG_STR(HDIO_GET_KEEPSETTINGS) },
+		{ ARG_STR(HDIO_GET_32BIT) },
+		{ ARG_STR(HDIO_GET_NOWERR) },
+		{ ARG_STR(HDIO_GET_DMA) },
+		{ ARG_STR(HDIO_GET_NICE) },
+		{ ARG_STR(HDIO_GET_IDENTITY) },
+		{ ARG_STR(HDIO_GET_WCACHE) },
+		{ ARG_STR(HDIO_GET_ACOUSTIC) },
+		{ ARG_STR(HDIO_GET_ADDRESS) },
+		{ ARG_STR(HDIO_GET_BUSSTATE) },
+		{ ARG_STR(HDIO_TRISTATE_HWIF) },
+		{ ARG_STR(HDIO_DRIVE_RESET) },
+		{ ARG_STR(HDIO_DRIVE_TASKFILE) },
+		{ ARG_STR(HDIO_DRIVE_TASK) },
+		{ ARG_STR(HDIO_DRIVE_CMD) },
+		{ ARG_STR(HDIO_SET_MULTCOUNT) },
+		{ ARG_STR(HDIO_SET_UNMASKINTR) },
+		{ ARG_STR(HDIO_SET_KEEPSETTINGS) },
+		{ ARG_STR(HDIO_SET_32BIT) },
+		{ ARG_STR(HDIO_SET_NOWERR) },
+		{ ARG_STR(HDIO_SET_DMA) },
+		{ ARG_STR(HDIO_SET_PIO_MODE) },
+		{ ARG_STR(HDIO_SCAN_HWIF) },
+		{ ARG_STR(HDIO_UNREGISTER_HWIF) },
+		{ ARG_STR(HDIO_SET_NICE) },
+		{ ARG_STR(HDIO_SET_WCACHE) },
+		{ ARG_STR(HDIO_SET_ACOUSTIC) },
+		{ ARG_STR(HDIO_SET_BUSSTATE) },
+		{ ARG_STR(HDIO_SET_QDMA) },
+		{ ARG_STR(HDIO_SET_ADDRESS) },
+	};
+
+	for (size_t i = 0; i < ARRAY_SIZE(unsupp_cmds); i++) {
+		do_ioctl(unsupp_cmds[i].cmd, 0);
+		printf("ioctl(-1, " XLAT_FMT ", 0) = %s\n",
+		       XLAT_SEL(unsupp_cmds[i].cmd, unsupp_cmds[i].str),
+		       errstr);
+
+		do_ioctl(unsupp_cmds[i].cmd,
+			 (unsigned long) 0xbadc0deddeadc0deULL);
+		printf("ioctl(-1, " XLAT_FMT ", %#lx) = %s\n",
+		       XLAT_SEL(unsupp_cmds[i].cmd, unsupp_cmds[i].str),
+		       (unsigned long) 0xbadc0deddeadc0deULL, errstr);
+	}
+
+
+	/* HDIO_GETGEO */
+	do_ioctl(HDIO_GETGEO, 0);
+	printf("ioctl(-1, %s, NULL) = %s\n",
+	       XLAT_STR(HDIO_GETGEO), errstr);
+
+	TAIL_ALLOC_OBJECT_CONST_PTR(struct hd_geometry, p_hd_geom);
+
+	p_hd_geom->heads = 0xca;
+	p_hd_geom->sectors = 0xfe;
+	p_hd_geom->cylinders = 0xbabe;
+	p_hd_geom->start = (unsigned long) 0xbadc0deddeadfaceULL;
+
+	do_ioctl_ptr(HDIO_GETGEO, (char *) p_hd_geom + 1);
+	printf("ioctl(-1, %s, %p) = %s\n",
+	       XLAT_STR(HDIO_GETGEO), (char *) p_hd_geom + 1, errstr);
+
+	rc = do_ioctl_ptr(HDIO_GETGEO, p_hd_geom);
+	printf("ioctl(-1, %s, ", XLAT_STR(HDIO_GETGEO));
+	if (rc >= 0) {
+		printf("{heads=202, sectors=254, cylinders=47806, start=%lu}",
+		       (unsigned long) 0xbadc0deddeadfaceULL);
+	} else {
+		printf("%p", p_hd_geom);
+	}
+	printf(") = %s\n", errstr);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 4f2fae450..1820d6e31 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -149,6 +149,14 @@ ioctl_evdev-v
 ioctl_evdev-v-Xabbrev
 ioctl_evdev-v-Xraw
 ioctl_evdev-v-Xverbose
+ioctl_hdio
+ioctl_hdio-Xabbrev
+ioctl_hdio-Xraw
+ioctl_hdio-Xverbose
+ioctl_hdio-v
+ioctl_hdio-v-Xabbrev
+ioctl_hdio-v-Xraw
+ioctl_hdio-v-Xverbose
 ioctl_inotify
 ioctl_kvm_run
 ioctl_kvm_run-v