1 files changed, 425 insertions, 0 deletions
diff --git a/libipt/test/src/ptunit-asid.c b/libipt/test/src/ptunit-asid.c
new file mode 100644
index 0000000000000..b8983939b526f
--- /dev/null
+++ b/libipt/test/src/ptunit-asid.c
@@ -0,0 +1,425 @@
+/*
+ * Copyright (c) 2014-2019, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ptunit.h"
+
+#include "pt_asid.h"
+
+#include "intel-pt.h"
+
+#include <stddef.h>
+
+
+static struct ptunit_result from_user_null(void)
+{
+	struct pt_asid user;
+	int errcode;
+
+	pt_asid_init(&user);
+
+	errcode = pt_asid_from_user(NULL, NULL);
+	ptu_int_eq(errcode, -pte_internal);
+
+	errcode = pt_asid_from_user(NULL, &user);
+	ptu_int_eq(errcode, -pte_internal);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result from_user_default(void)
+{
+	struct pt_asid asid;
+	int errcode;
+
+	errcode = pt_asid_from_user(&asid, NULL);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(asid.size, sizeof(asid));
+	ptu_uint_eq(asid.cr3, pt_asid_no_cr3);
+	ptu_uint_eq(asid.vmcs, pt_asid_no_vmcs);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result from_user_small(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	user.size = sizeof(user.size);
+
+	errcode = pt_asid_from_user(&asid, &user);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(asid.size, sizeof(asid));
+	ptu_uint_eq(asid.cr3, pt_asid_no_cr3);
+	ptu_uint_eq(asid.vmcs, pt_asid_no_vmcs);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result from_user_big(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	user.size = sizeof(user) + 4;
+	user.cr3 = 0x4200ull;
+	user.vmcs = 0x23000ull;
+
+	errcode = pt_asid_from_user(&asid, &user);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(asid.size, sizeof(asid));
+	ptu_uint_eq(asid.cr3, 0x4200ull);
+	ptu_uint_eq(asid.vmcs, 0x23000ull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result from_user(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	user.size = sizeof(user);
+	user.cr3 = 0x4200ull;
+	user.vmcs = 0x23000ull;
+
+	errcode = pt_asid_from_user(&asid, &user);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(asid.size, sizeof(asid));
+	ptu_uint_eq(asid.cr3, 0x4200ull);
+	ptu_uint_eq(asid.vmcs, 0x23000ull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result from_user_cr3(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	user.size = offsetof(struct pt_asid, vmcs);
+	user.cr3 = 0x4200ull;
+	user.vmcs = 0x23000ull;
+
+	errcode = pt_asid_from_user(&asid, &user);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(asid.size, sizeof(asid));
+	ptu_uint_eq(asid.cr3, 0x4200ull);
+	ptu_uint_eq(asid.vmcs, pt_asid_no_vmcs);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user_null(void)
+{
+	struct pt_asid asid;
+	int errcode;
+
+	pt_asid_init(&asid);
+
+	errcode = pt_asid_to_user(NULL, NULL, sizeof(asid));
+	ptu_int_eq(errcode, -pte_internal);
+
+	errcode = pt_asid_to_user(NULL, &asid, sizeof(asid));
+	ptu_int_eq(errcode, -pte_internal);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user_too_small(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	pt_asid_init(&asid);
+
+	errcode = pt_asid_to_user(&user, &asid, 0);
+	ptu_int_eq(errcode, -pte_invalid);
+
+	errcode = pt_asid_to_user(&user, &asid, sizeof(user.size) - 1);
+	ptu_int_eq(errcode, -pte_invalid);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user_small(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	memset(&user, 0xcc, sizeof(user));
+	pt_asid_init(&asid);
+
+	errcode = pt_asid_to_user(&user, &asid, sizeof(user.size));
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(user.size, sizeof(user.size));
+	ptu_uint_eq(user.cr3, 0xccccccccccccccccull);
+	ptu_uint_eq(user.vmcs, 0xccccccccccccccccull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user_big(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	memset(&user, 0xcc, sizeof(user));
+	pt_asid_init(&asid);
+	asid.cr3 = 0x4200ull;
+	asid.vmcs = 0x23000ull;
+
+	errcode = pt_asid_to_user(&user, &asid, sizeof(user) + 8);
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(user.size, sizeof(asid));
+	ptu_uint_eq(user.cr3, 0x4200ull);
+	ptu_uint_eq(user.vmcs, 0x23000ull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	memset(&user, 0xcc, sizeof(user));
+	pt_asid_init(&asid);
+	asid.cr3 = 0x4200ull;
+	asid.vmcs = 0x23000ull;
+
+	errcode = pt_asid_to_user(&user, &asid, sizeof(user));
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(user.size, sizeof(asid));
+	ptu_uint_eq(user.cr3, 0x4200ull);
+	ptu_uint_eq(user.vmcs, 0x23000ull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result to_user_cr3(void)
+{
+	struct pt_asid asid, user;
+	int errcode;
+
+	memset(&user, 0xcc, sizeof(user));
+	pt_asid_init(&asid);
+	asid.cr3 = 0x4200ull;
+
+	errcode = pt_asid_to_user(&user, &asid, offsetof(struct pt_asid, vmcs));
+	ptu_int_eq(errcode, 0);
+	ptu_uint_eq(user.size, offsetof(struct pt_asid, vmcs));
+	ptu_uint_eq(user.cr3, 0x4200ull);
+	ptu_uint_eq(user.vmcs, 0xccccccccccccccccull);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_null(void)
+{
+	struct pt_asid asid;
+	int errcode;
+
+	pt_asid_init(&asid);
+
+	errcode = pt_asid_match(NULL, NULL);
+	ptu_int_eq(errcode, -pte_internal);
+
+	errcode = pt_asid_match(NULL, &asid);
+	ptu_int_eq(errcode, -pte_internal);
+
+	errcode = pt_asid_match(&asid, NULL);
+	ptu_int_eq(errcode, -pte_internal);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_default(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	lhs.cr3 = 0x2300ull;
+	lhs.vmcs = 0x42000ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	errcode = pt_asid_match(&rhs, &lhs);
+	ptu_int_eq(errcode, 1);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_default_mixed(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	lhs.cr3 = 0x2300ull;
+	rhs.vmcs = 0x42000ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	errcode = pt_asid_match(&rhs, &lhs);
+	ptu_int_eq(errcode, 1);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_cr3(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	lhs.cr3 = 0x2300ull;
+	rhs.cr3 = 0x2300ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_vmcs(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	lhs.vmcs = 0x23000ull;
+	rhs.vmcs = 0x23000ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	lhs.cr3 = 0x2300ull;
+	rhs.cr3 = 0x2300ull;
+	lhs.vmcs = 0x23000ull;
+	rhs.vmcs = 0x23000ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 1);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_cr3_false(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	lhs.cr3 = 0x4200ull;
+	rhs.cr3 = 0x2300ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 0);
+
+	return ptu_passed();
+}
+
+static struct ptunit_result match_vmcs_false(void)
+{
+	struct pt_asid lhs, rhs;
+	int errcode;
+
+	pt_asid_init(&lhs);
+	pt_asid_init(&rhs);
+
+	lhs.vmcs = 0x42000ull;
+	rhs.vmcs = 0x23000ull;
+
+	errcode = pt_asid_match(&lhs, &rhs);
+	ptu_int_eq(errcode, 0);
+
+	return ptu_passed();
+}
+
+int main(int argc, char **argv)
+{
+	struct ptunit_suite suite;
+
+	suite = ptunit_mk_suite(argc, argv);
+
+	ptu_run(suite, from_user_null);
+	ptu_run(suite, from_user_default);
+	ptu_run(suite, from_user_small);
+	ptu_run(suite, from_user_big);
+	ptu_run(suite, from_user);
+	ptu_run(suite, from_user_cr3);
+
+	ptu_run(suite, to_user_null);
+	ptu_run(suite, to_user_too_small);
+	ptu_run(suite, to_user_small);
+	ptu_run(suite, to_user_big);
+	ptu_run(suite, to_user);
+	ptu_run(suite, to_user_cr3);
+
+	ptu_run(suite, match_null);
+	ptu_run(suite, match_default);
+	ptu_run(suite, match_default_mixed);
+	ptu_run(suite, match_cr3);
+	ptu_run(suite, match_vmcs);
+	ptu_run(suite, match);
+	ptu_run(suite, match_cr3_false);
+	ptu_run(suite, match_vmcs_false);
+
+	return ptunit_report(&suite);
+}