* [Qemu-devel] [PULL v2 1/2] tests: Move common TPM test code into tpm-emu.c
2018-02-27 14:07 [Qemu-devel] [PULL v2 0/2] Merge tpm 2018/02/21 v2 Stefan Berger
@ 2018-02-27 14:07 ` Stefan Berger
2018-02-27 14:07 ` [Qemu-devel] [PULL v2 2/2] tests: add test for TPM TIS device Stefan Berger
2018-03-01 11:50 ` [Qemu-devel] [PULL v2 0/2] Merge tpm 2018/02/21 v2 Peter Maydell
2 siblings, 0 replies; 4+ messages in thread
From: Stefan Berger @ 2018-02-27 14:07 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, marcandre.lureau, Stefan Berger
Move threads and other common TPM test code into tpm-emu.c.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
tests/Makefile.include | 2 +-
tests/tpm-crb-test.c | 174 +------------------------------------------------
tests/tpm-emu.c | 167 +++++++++++++++++++++++++++++++++++++++++++++++
tests/tpm-emu.h | 38 +++++++++++
4 files changed, 209 insertions(+), 172 deletions(-)
create mode 100644 tests/tpm-emu.c
create mode 100644 tests/tpm-emu.h
diff --git a/tests/Makefile.include b/tests/Makefile.include
index a1bcbff..ff44264 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -714,7 +714,7 @@ tests/test-crypto-tlssession$(EXESUF): tests/test-crypto-tlssession.o \
tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
tests/io-channel-helpers.o $(test-io-obj-y)
-tests/tpm-crb-test$(EXESUF): tests/tpm-crb-test.o $(test-io-obj-y)
+tests/tpm-crb-test$(EXESUF): tests/tpm-crb-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/test-io-channel-file$(EXESUF): tests/test-io-channel-file.o \
tests/io-channel-helpers.o $(test-io-obj-y)
tests/test-io-channel-tls$(EXESUF): tests/test-io-channel-tls.o \
diff --git a/tests/tpm-crb-test.c b/tests/tpm-crb-test.c
index 8bf1507..e1513cb 100644
--- a/tests/tpm-crb-test.c
+++ b/tests/tpm-crb-test.c
@@ -14,177 +14,9 @@
#include <glib/gstdio.h>
#include "hw/acpi/tpm.h"
-#include "hw/tpm/tpm_ioctl.h"
#include "io/channel-socket.h"
#include "libqtest.h"
-#include "qapi/error.h"
-
-#define TPM_RC_FAILURE 0x101
-#define TPM2_ST_NO_SESSIONS 0x8001
-
-struct tpm_hdr {
- uint16_t tag;
- uint32_t len;
- uint32_t code; /*ordinal/error */
- char buffer[];
-} QEMU_PACKED;
-
-typedef struct TestState {
- CompatGMutex data_mutex;
- CompatGCond data_cond;
- SocketAddress *addr;
- QIOChannel *tpm_ioc;
- GThread *emu_tpm_thread;
- struct tpm_hdr *tpm_msg;
-} TestState;
-
-static void test_wait_cond(TestState *s)
-{
- gint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
-
- g_mutex_lock(&s->data_mutex);
- if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
- g_assert_not_reached();
- }
- g_mutex_unlock(&s->data_mutex);
-}
-
-static void *emu_tpm_thread(void *data)
-{
- TestState *s = data;
- QIOChannel *ioc = s->tpm_ioc;
-
- s->tpm_msg = g_new(struct tpm_hdr, 1);
- while (true) {
- int minhlen = sizeof(s->tpm_msg->tag) + sizeof(s->tpm_msg->len);
-
- if (!qio_channel_read(ioc, (char *)s->tpm_msg, minhlen, &error_abort)) {
- break;
- }
- s->tpm_msg->tag = be16_to_cpu(s->tpm_msg->tag);
- s->tpm_msg->len = be32_to_cpu(s->tpm_msg->len);
- g_assert_cmpint(s->tpm_msg->len, >=, minhlen);
- g_assert_cmpint(s->tpm_msg->tag, ==, TPM2_ST_NO_SESSIONS);
-
- s->tpm_msg = g_realloc(s->tpm_msg, s->tpm_msg->len);
- qio_channel_read(ioc, (char *)&s->tpm_msg->code,
- s->tpm_msg->len - minhlen, &error_abort);
- s->tpm_msg->code = be32_to_cpu(s->tpm_msg->code);
-
- /* reply error */
- s->tpm_msg->tag = cpu_to_be16(TPM2_ST_NO_SESSIONS);
- s->tpm_msg->len = cpu_to_be32(sizeof(struct tpm_hdr));
- s->tpm_msg->code = cpu_to_be32(TPM_RC_FAILURE);
- qio_channel_write(ioc, (char *)s->tpm_msg, be32_to_cpu(s->tpm_msg->len),
- &error_abort);
- }
-
- g_free(s->tpm_msg);
- s->tpm_msg = NULL;
- object_unref(OBJECT(s->tpm_ioc));
- return NULL;
-}
-
-static void *emu_ctrl_thread(void *data)
-{
- TestState *s = data;
- QIOChannelSocket *lioc = qio_channel_socket_new();
- QIOChannel *ioc;
-
- qio_channel_socket_listen_sync(lioc, s->addr, &error_abort);
- g_cond_signal(&s->data_cond);
-
- qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
- ioc = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
- g_assert(ioc);
-
- {
- uint32_t cmd = 0;
- struct iovec iov = { .iov_base = &cmd, .iov_len = sizeof(cmd) };
- int *pfd = NULL;
- size_t nfd = 0;
-
- qio_channel_readv_full(ioc, &iov, 1, &pfd, &nfd, &error_abort);
- cmd = be32_to_cpu(cmd);
- g_assert_cmpint(cmd, ==, CMD_SET_DATAFD);
- g_assert_cmpint(nfd, ==, 1);
- s->tpm_ioc = QIO_CHANNEL(qio_channel_socket_new_fd(*pfd, &error_abort));
- g_free(pfd);
-
- cmd = 0;
- qio_channel_write(ioc, (char *)&cmd, sizeof(cmd), &error_abort);
-
- s->emu_tpm_thread = g_thread_new(NULL, emu_tpm_thread, s);
- }
-
- while (true) {
- uint32_t cmd;
- ssize_t ret;
-
- ret = qio_channel_read(ioc, (char *)&cmd, sizeof(cmd), NULL);
- if (ret <= 0) {
- break;
- }
-
- cmd = be32_to_cpu(cmd);
- switch (cmd) {
- case CMD_GET_CAPABILITY: {
- ptm_cap cap = cpu_to_be64(0x3fff);
- qio_channel_write(ioc, (char *)&cap, sizeof(cap), &error_abort);
- break;
- }
- case CMD_INIT: {
- ptm_init init;
- qio_channel_read(ioc, (char *)&init.u.req, sizeof(init.u.req),
- &error_abort);
- init.u.resp.tpm_result = 0;
- qio_channel_write(ioc, (char *)&init.u.resp, sizeof(init.u.resp),
- &error_abort);
- break;
- }
- case CMD_SHUTDOWN: {
- ptm_res res = 0;
- qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
- qio_channel_close(s->tpm_ioc, &error_abort);
- g_thread_join(s->emu_tpm_thread);
- break;
- }
- case CMD_STOP: {
- ptm_res res = 0;
- qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
- break;
- }
- case CMD_SET_BUFFERSIZE: {
- ptm_setbuffersize sbs;
- qio_channel_read(ioc, (char *)&sbs.u.req, sizeof(sbs.u.req),
- &error_abort);
- sbs.u.resp.buffersize = sbs.u.req.buffersize ?: cpu_to_be32(4096);
- sbs.u.resp.tpm_result = 0;
- sbs.u.resp.minsize = cpu_to_be32(128);
- sbs.u.resp.maxsize = cpu_to_be32(4096);
- qio_channel_write(ioc, (char *)&sbs.u.resp, sizeof(sbs.u.resp),
- &error_abort);
- break;
- }
- case CMD_SET_LOCALITY: {
- ptm_loc loc;
- /* Note: this time it's not u.req / u.resp... */
- qio_channel_read(ioc, (char *)&loc, sizeof(loc), &error_abort);
- g_assert_cmpint(loc.u.req.loc, ==, 0);
- loc.u.resp.tpm_result = 0;
- qio_channel_write(ioc, (char *)&loc, sizeof(loc), &error_abort);
- break;
- }
- default:
- g_debug("unimplemented %u", cmd);
- g_assert_not_reached();
- }
- }
-
- object_unref(OBJECT(ioc));
- object_unref(OBJECT(lioc));
- return NULL;
-}
+#include "tpm-emu.h"
#define TPM_CMD "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00"
@@ -250,8 +82,8 @@ int main(int argc, char **argv)
g_mutex_init(&test.data_mutex);
g_cond_init(&test.data_cond);
- thread = g_thread_new(NULL, emu_ctrl_thread, &test);
- test_wait_cond(&test);
+ thread = g_thread_new(NULL, tpm_emu_ctrl_thread, &test);
+ tpm_emu_test_wait_cond(&test);
args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
diff --git a/tests/tpm-emu.c b/tests/tpm-emu.c
new file mode 100644
index 0000000..cbb92af
--- /dev/null
+++ b/tests/tpm-emu.c
@@ -0,0 +1,167 @@
+/*
+ * Minimal TPM emulator for TPM test cases
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * Authors:
+ * Marc-André Lureau <marcandre.lureau@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.
+ */
+
+#include "qemu/osdep.h"
+#include <glib/gstdio.h>
+
+#include "hw/tpm/tpm_ioctl.h"
+#include "io/channel-socket.h"
+#include "qapi/error.h"
+#include "tpm-emu.h"
+
+void tpm_emu_test_wait_cond(TestState *s)
+{
+ gint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
+
+ g_mutex_lock(&s->data_mutex);
+ if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
+ g_assert_not_reached();
+ }
+ g_mutex_unlock(&s->data_mutex);
+}
+
+static void *tpm_emu_tpm_thread(void *data)
+{
+ TestState *s = data;
+ QIOChannel *ioc = s->tpm_ioc;
+
+ s->tpm_msg = g_new(struct tpm_hdr, 1);
+ while (true) {
+ int minhlen = sizeof(s->tpm_msg->tag) + sizeof(s->tpm_msg->len);
+
+ if (!qio_channel_read(ioc, (char *)s->tpm_msg, minhlen, &error_abort)) {
+ break;
+ }
+ s->tpm_msg->tag = be16_to_cpu(s->tpm_msg->tag);
+ s->tpm_msg->len = be32_to_cpu(s->tpm_msg->len);
+ g_assert_cmpint(s->tpm_msg->len, >=, minhlen);
+ g_assert_cmpint(s->tpm_msg->tag, ==, TPM2_ST_NO_SESSIONS);
+
+ s->tpm_msg = g_realloc(s->tpm_msg, s->tpm_msg->len);
+ qio_channel_read(ioc, (char *)&s->tpm_msg->code,
+ s->tpm_msg->len - minhlen, &error_abort);
+ s->tpm_msg->code = be32_to_cpu(s->tpm_msg->code);
+
+ /* reply error */
+ s->tpm_msg->tag = cpu_to_be16(TPM2_ST_NO_SESSIONS);
+ s->tpm_msg->len = cpu_to_be32(sizeof(struct tpm_hdr));
+ s->tpm_msg->code = cpu_to_be32(TPM_RC_FAILURE);
+ qio_channel_write(ioc, (char *)s->tpm_msg, be32_to_cpu(s->tpm_msg->len),
+ &error_abort);
+ }
+
+ g_free(s->tpm_msg);
+ s->tpm_msg = NULL;
+ object_unref(OBJECT(s->tpm_ioc));
+ return NULL;
+}
+
+void *tpm_emu_ctrl_thread(void *data)
+{
+ TestState *s = data;
+ QIOChannelSocket *lioc = qio_channel_socket_new();
+ QIOChannel *ioc;
+
+ qio_channel_socket_listen_sync(lioc, s->addr, &error_abort);
+ g_cond_signal(&s->data_cond);
+
+ qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
+ ioc = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
+ g_assert(ioc);
+
+ {
+ uint32_t cmd = 0;
+ struct iovec iov = { .iov_base = &cmd, .iov_len = sizeof(cmd) };
+ int *pfd = NULL;
+ size_t nfd = 0;
+
+ qio_channel_readv_full(ioc, &iov, 1, &pfd, &nfd, &error_abort);
+ cmd = be32_to_cpu(cmd);
+ g_assert_cmpint(cmd, ==, CMD_SET_DATAFD);
+ g_assert_cmpint(nfd, ==, 1);
+ s->tpm_ioc = QIO_CHANNEL(qio_channel_socket_new_fd(*pfd, &error_abort));
+ g_free(pfd);
+
+ cmd = 0;
+ qio_channel_write(ioc, (char *)&cmd, sizeof(cmd), &error_abort);
+
+ s->emu_tpm_thread = g_thread_new(NULL, tpm_emu_tpm_thread, s);
+ }
+
+ while (true) {
+ uint32_t cmd;
+ ssize_t ret;
+
+ ret = qio_channel_read(ioc, (char *)&cmd, sizeof(cmd), NULL);
+ if (ret <= 0) {
+ break;
+ }
+
+ cmd = be32_to_cpu(cmd);
+ switch (cmd) {
+ case CMD_GET_CAPABILITY: {
+ ptm_cap cap = cpu_to_be64(0x3fff);
+ qio_channel_write(ioc, (char *)&cap, sizeof(cap), &error_abort);
+ break;
+ }
+ case CMD_INIT: {
+ ptm_init init;
+ qio_channel_read(ioc, (char *)&init.u.req, sizeof(init.u.req),
+ &error_abort);
+ init.u.resp.tpm_result = 0;
+ qio_channel_write(ioc, (char *)&init.u.resp, sizeof(init.u.resp),
+ &error_abort);
+ break;
+ }
+ case CMD_SHUTDOWN: {
+ ptm_res res = 0;
+ qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
+ qio_channel_close(s->tpm_ioc, &error_abort);
+ g_thread_join(s->emu_tpm_thread);
+ break;
+ }
+ case CMD_STOP: {
+ ptm_res res = 0;
+ qio_channel_write(ioc, (char *)&res, sizeof(res), &error_abort);
+ break;
+ }
+ case CMD_SET_BUFFERSIZE: {
+ ptm_setbuffersize sbs;
+ qio_channel_read(ioc, (char *)&sbs.u.req, sizeof(sbs.u.req),
+ &error_abort);
+ sbs.u.resp.buffersize = sbs.u.req.buffersize ?: cpu_to_be32(4096);
+ sbs.u.resp.tpm_result = 0;
+ sbs.u.resp.minsize = cpu_to_be32(128);
+ sbs.u.resp.maxsize = cpu_to_be32(4096);
+ qio_channel_write(ioc, (char *)&sbs.u.resp, sizeof(sbs.u.resp),
+ &error_abort);
+ break;
+ }
+ case CMD_SET_LOCALITY: {
+ ptm_loc loc;
+ /* Note: this time it's not u.req / u.resp... */
+ qio_channel_read(ioc, (char *)&loc, sizeof(loc), &error_abort);
+ g_assert_cmpint(loc.u.req.loc, ==, 0);
+ loc.u.resp.tpm_result = 0;
+ qio_channel_write(ioc, (char *)&loc, sizeof(loc), &error_abort);
+ break;
+ }
+ default:
+ g_debug("unimplemented %u", cmd);
+ g_assert_not_reached();
+ }
+ }
+
+ object_unref(OBJECT(ioc));
+ object_unref(OBJECT(lioc));
+ return NULL;
+}
diff --git a/tests/tpm-emu.h b/tests/tpm-emu.h
new file mode 100644
index 0000000..ef4bfa8
--- /dev/null
+++ b/tests/tpm-emu.h
@@ -0,0 +1,38 @@
+/*
+ * Minimal TPM emulator for TPM test cases
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * Authors:
+ * Marc-André Lureau <marcandre.lureau@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.
+ */
+
+#ifndef TESTS_TPM_EMU_H
+#define TESTS_TPM_EMU_H
+
+#define TPM_RC_FAILURE 0x101
+#define TPM2_ST_NO_SESSIONS 0x8001
+
+struct tpm_hdr {
+ uint16_t tag;
+ uint32_t len;
+ uint32_t code; /*ordinal/error */
+ char buffer[];
+} QEMU_PACKED;
+
+typedef struct TestState {
+ CompatGMutex data_mutex;
+ CompatGCond data_cond;
+ SocketAddress *addr;
+ QIOChannel *tpm_ioc;
+ GThread *emu_tpm_thread;
+ struct tpm_hdr *tpm_msg;
+} TestState;
+
+void tpm_emu_test_wait_cond(TestState *s);
+void *tpm_emu_ctrl_thread(void *data);
+
+#endif /* TEST_TPM_EMU_H */
--
2.5.5
^ permalink raw reply related [flat|nested] 4+ messages in thread* [Qemu-devel] [PULL v2 2/2] tests: add test for TPM TIS device
2018-02-27 14:07 [Qemu-devel] [PULL v2 0/2] Merge tpm 2018/02/21 v2 Stefan Berger
2018-02-27 14:07 ` [Qemu-devel] [PULL v2 1/2] tests: Move common TPM test code into tpm-emu.c Stefan Berger
@ 2018-02-27 14:07 ` Stefan Berger
2018-03-01 11:50 ` [Qemu-devel] [PULL v2 0/2] Merge tpm 2018/02/21 v2 Peter Maydell
2 siblings, 0 replies; 4+ messages in thread
From: Stefan Berger @ 2018-02-27 14:07 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, marcandre.lureau, Stefan Berger
Move the TPM TIS related register and flag #defines into
include/hw/acpi/tpm.h for access by the test case.
Write a test case that covers the TIS functionality.
Add the tests cases to the MAINTAINERS file.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
MAINTAINERS | 1 +
hw/tpm/tpm_tis.c | 101 ----------
include/hw/acpi/tpm.h | 105 +++++++++++
tests/Makefile.include | 2 +
tests/tpm-emu.c | 7 +
tests/tpm-tis-test.c | 486 +++++++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 601 insertions(+), 101 deletions(-)
create mode 100644 tests/tpm-tis-test.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 6e7adad..8c1ae1d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1633,6 +1633,7 @@ F: include/hw/acpi/tpm.h
F: include/sysemu/tpm*
F: qapi/tpm.json
F: backends/tpm.c
+F: tests/*tpm*
T: git git://github.com/stefanberger/qemu-tpm.git tpm-next
Checkpatch
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index f81168a..834eef7 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -92,107 +92,6 @@ typedef struct TPMState {
} \
} while (0)
-/* tis registers */
-#define TPM_TIS_REG_ACCESS 0x00
-#define TPM_TIS_REG_INT_ENABLE 0x08
-#define TPM_TIS_REG_INT_VECTOR 0x0c
-#define TPM_TIS_REG_INT_STATUS 0x10
-#define TPM_TIS_REG_INTF_CAPABILITY 0x14
-#define TPM_TIS_REG_STS 0x18
-#define TPM_TIS_REG_DATA_FIFO 0x24
-#define TPM_TIS_REG_INTERFACE_ID 0x30
-#define TPM_TIS_REG_DATA_XFIFO 0x80
-#define TPM_TIS_REG_DATA_XFIFO_END 0xbc
-#define TPM_TIS_REG_DID_VID 0xf00
-#define TPM_TIS_REG_RID 0xf04
-
-/* vendor-specific registers */
-#define TPM_TIS_REG_DEBUG 0xf90
-
-#define TPM_TIS_STS_TPM_FAMILY_MASK (0x3 << 26)/* TPM 2.0 */
-#define TPM_TIS_STS_TPM_FAMILY1_2 (0 << 26) /* TPM 2.0 */
-#define TPM_TIS_STS_TPM_FAMILY2_0 (1 << 26) /* TPM 2.0 */
-#define TPM_TIS_STS_RESET_ESTABLISHMENT_BIT (1 << 25) /* TPM 2.0 */
-#define TPM_TIS_STS_COMMAND_CANCEL (1 << 24) /* TPM 2.0 */
-
-#define TPM_TIS_STS_VALID (1 << 7)
-#define TPM_TIS_STS_COMMAND_READY (1 << 6)
-#define TPM_TIS_STS_TPM_GO (1 << 5)
-#define TPM_TIS_STS_DATA_AVAILABLE (1 << 4)
-#define TPM_TIS_STS_EXPECT (1 << 3)
-#define TPM_TIS_STS_SELFTEST_DONE (1 << 2)
-#define TPM_TIS_STS_RESPONSE_RETRY (1 << 1)
-
-#define TPM_TIS_BURST_COUNT_SHIFT 8
-#define TPM_TIS_BURST_COUNT(X) \
- ((X) << TPM_TIS_BURST_COUNT_SHIFT)
-
-#define TPM_TIS_ACCESS_TPM_REG_VALID_STS (1 << 7)
-#define TPM_TIS_ACCESS_ACTIVE_LOCALITY (1 << 5)
-#define TPM_TIS_ACCESS_BEEN_SEIZED (1 << 4)
-#define TPM_TIS_ACCESS_SEIZE (1 << 3)
-#define TPM_TIS_ACCESS_PENDING_REQUEST (1 << 2)
-#define TPM_TIS_ACCESS_REQUEST_USE (1 << 1)
-#define TPM_TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0)
-
-#define TPM_TIS_INT_ENABLED (1 << 31)
-#define TPM_TIS_INT_DATA_AVAILABLE (1 << 0)
-#define TPM_TIS_INT_STS_VALID (1 << 1)
-#define TPM_TIS_INT_LOCALITY_CHANGED (1 << 2)
-#define TPM_TIS_INT_COMMAND_READY (1 << 7)
-
-#define TPM_TIS_INT_POLARITY_MASK (3 << 3)
-#define TPM_TIS_INT_POLARITY_LOW_LEVEL (1 << 3)
-
-#define TPM_TIS_INTERRUPTS_SUPPORTED (TPM_TIS_INT_LOCALITY_CHANGED | \
- TPM_TIS_INT_DATA_AVAILABLE | \
- TPM_TIS_INT_STS_VALID | \
- TPM_TIS_INT_COMMAND_READY)
-
-#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28)
-#define TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 (3 << 28)
-#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9)
-#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9)
-#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8)
-#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */
-#define TPM_TIS_CAPABILITIES_SUPPORTED1_3 \
- (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
- TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
- TPM_TIS_CAP_DATA_TRANSFER_64B | \
- TPM_TIS_CAP_INTERFACE_VERSION1_3 | \
- TPM_TIS_INTERRUPTS_SUPPORTED)
-
-#define TPM_TIS_CAPABILITIES_SUPPORTED2_0 \
- (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
- TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
- TPM_TIS_CAP_DATA_TRANSFER_64B | \
- TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 | \
- TPM_TIS_INTERRUPTS_SUPPORTED)
-
-#define TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 (0xf) /* TPM 2.0 */
-#define TPM_TIS_IFACE_ID_INTERFACE_FIFO (0x0) /* TPM 2.0 */
-#define TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO (0 << 4) /* TPM 2.0 */
-#define TPM_TIS_IFACE_ID_CAP_5_LOCALITIES (1 << 8) /* TPM 2.0 */
-#define TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED (1 << 13) /* TPM 2.0 */
-#define TPM_TIS_IFACE_ID_INT_SEL_LOCK (1 << 19) /* TPM 2.0 */
-
-#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3 \
- (TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 | \
- (~0u << 4)/* all of it is don't care */)
-
-/* if backend was a TPM 2.0: */
-#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0 \
- (TPM_TIS_IFACE_ID_INTERFACE_FIFO | \
- TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO | \
- TPM_TIS_IFACE_ID_CAP_5_LOCALITIES | \
- TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED)
-
-#define TPM_TIS_TPM_DID 0x0001
-#define TPM_TIS_TPM_VID PCI_VENDOR_ID_IBM
-#define TPM_TIS_TPM_RID 0x0001
-
-#define TPM_TIS_NO_DATA_BYTE 0xff
-
/* local prototypes */
static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index 96fd3a9..46ac4dc 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -23,6 +23,111 @@
#define TPM_TIS_IRQ 5
+#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
+#define TPM_TIS_LOCALITY_SHIFT 12
+
+/* tis registers */
+#define TPM_TIS_REG_ACCESS 0x00
+#define TPM_TIS_REG_INT_ENABLE 0x08
+#define TPM_TIS_REG_INT_VECTOR 0x0c
+#define TPM_TIS_REG_INT_STATUS 0x10
+#define TPM_TIS_REG_INTF_CAPABILITY 0x14
+#define TPM_TIS_REG_STS 0x18
+#define TPM_TIS_REG_DATA_FIFO 0x24
+#define TPM_TIS_REG_INTERFACE_ID 0x30
+#define TPM_TIS_REG_DATA_XFIFO 0x80
+#define TPM_TIS_REG_DATA_XFIFO_END 0xbc
+#define TPM_TIS_REG_DID_VID 0xf00
+#define TPM_TIS_REG_RID 0xf04
+
+/* vendor-specific registers */
+#define TPM_TIS_REG_DEBUG 0xf90
+
+#define TPM_TIS_STS_TPM_FAMILY_MASK (0x3 << 26)/* TPM 2.0 */
+#define TPM_TIS_STS_TPM_FAMILY1_2 (0 << 26) /* TPM 2.0 */
+#define TPM_TIS_STS_TPM_FAMILY2_0 (1 << 26) /* TPM 2.0 */
+#define TPM_TIS_STS_RESET_ESTABLISHMENT_BIT (1 << 25) /* TPM 2.0 */
+#define TPM_TIS_STS_COMMAND_CANCEL (1 << 24) /* TPM 2.0 */
+
+#define TPM_TIS_STS_VALID (1 << 7)
+#define TPM_TIS_STS_COMMAND_READY (1 << 6)
+#define TPM_TIS_STS_TPM_GO (1 << 5)
+#define TPM_TIS_STS_DATA_AVAILABLE (1 << 4)
+#define TPM_TIS_STS_EXPECT (1 << 3)
+#define TPM_TIS_STS_SELFTEST_DONE (1 << 2)
+#define TPM_TIS_STS_RESPONSE_RETRY (1 << 1)
+
+#define TPM_TIS_BURST_COUNT_SHIFT 8
+#define TPM_TIS_BURST_COUNT(X) \
+ ((X) << TPM_TIS_BURST_COUNT_SHIFT)
+
+#define TPM_TIS_ACCESS_TPM_REG_VALID_STS (1 << 7)
+#define TPM_TIS_ACCESS_ACTIVE_LOCALITY (1 << 5)
+#define TPM_TIS_ACCESS_BEEN_SEIZED (1 << 4)
+#define TPM_TIS_ACCESS_SEIZE (1 << 3)
+#define TPM_TIS_ACCESS_PENDING_REQUEST (1 << 2)
+#define TPM_TIS_ACCESS_REQUEST_USE (1 << 1)
+#define TPM_TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0)
+
+#define TPM_TIS_INT_ENABLED (1 << 31)
+#define TPM_TIS_INT_DATA_AVAILABLE (1 << 0)
+#define TPM_TIS_INT_STS_VALID (1 << 1)
+#define TPM_TIS_INT_LOCALITY_CHANGED (1 << 2)
+#define TPM_TIS_INT_COMMAND_READY (1 << 7)
+
+#define TPM_TIS_INT_POLARITY_MASK (3 << 3)
+#define TPM_TIS_INT_POLARITY_LOW_LEVEL (1 << 3)
+
+#define TPM_TIS_INTERRUPTS_SUPPORTED (TPM_TIS_INT_LOCALITY_CHANGED | \
+ TPM_TIS_INT_DATA_AVAILABLE | \
+ TPM_TIS_INT_STS_VALID | \
+ TPM_TIS_INT_COMMAND_READY)
+
+#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28)
+#define TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 (3 << 28)
+#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9)
+#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9)
+#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8)
+#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */
+#define TPM_TIS_CAPABILITIES_SUPPORTED1_3 \
+ (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
+ TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
+ TPM_TIS_CAP_DATA_TRANSFER_64B | \
+ TPM_TIS_CAP_INTERFACE_VERSION1_3 | \
+ TPM_TIS_INTERRUPTS_SUPPORTED)
+
+#define TPM_TIS_CAPABILITIES_SUPPORTED2_0 \
+ (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
+ TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
+ TPM_TIS_CAP_DATA_TRANSFER_64B | \
+ TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 | \
+ TPM_TIS_INTERRUPTS_SUPPORTED)
+
+#define TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 (0xf) /* TPM 2.0 */
+#define TPM_TIS_IFACE_ID_INTERFACE_FIFO (0x0) /* TPM 2.0 */
+#define TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO (0 << 4) /* TPM 2.0 */
+#define TPM_TIS_IFACE_ID_CAP_5_LOCALITIES (1 << 8) /* TPM 2.0 */
+#define TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED (1 << 13) /* TPM 2.0 */
+#define TPM_TIS_IFACE_ID_INT_SEL_LOCK (1 << 19) /* TPM 2.0 */
+
+#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3 \
+ (TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 | \
+ (~0u << 4)/* all of it is don't care */)
+
+/* if backend was a TPM 2.0: */
+#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0 \
+ (TPM_TIS_IFACE_ID_INTERFACE_FIFO | \
+ TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO | \
+ TPM_TIS_IFACE_ID_CAP_5_LOCALITIES | \
+ TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED)
+
+#define TPM_TIS_TPM_DID 0x0001
+#define TPM_TIS_TPM_VID PCI_VENDOR_ID_IBM
+#define TPM_TIS_TPM_RID 0x0001
+
+#define TPM_TIS_NO_DATA_BYTE 0xff
+
+
REG32(CRB_LOC_STATE, 0x00)
FIELD(CRB_LOC_STATE, tpmEstablished, 0, 1)
FIELD(CRB_LOC_STATE, locAssigned, 1, 1)
diff --git a/tests/Makefile.include b/tests/Makefile.include
index ff44264..b89f20b 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -287,6 +287,7 @@ ifeq ($(CONFIG_VHOST_USER_NET_TEST_i386),)
check-qtest-x86_64-$(CONFIG_VHOST_USER_NET_TEST_x86_64) += tests/vhost-user-test$(EXESUF)
endif
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-crb-test$(EXESUF)
+check-qtest-i386-$(CONFIG_TPM) += tests/tpm-tis-test$(EXESUF)
check-qtest-i386-$(CONFIG_SLIRP) += tests/test-netfilter$(EXESUF)
check-qtest-i386-$(CONFIG_POSIX) += tests/test-filter-mirror$(EXESUF)
check-qtest-i386-$(CONFIG_POSIX) += tests/test-filter-redirector$(EXESUF)
@@ -715,6 +716,7 @@ tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
tests/io-channel-helpers.o $(test-io-obj-y)
tests/tpm-crb-test$(EXESUF): tests/tpm-crb-test.o tests/tpm-emu.o $(test-io-obj-y)
+tests/tpm-tis-test$(EXESUF): tests/tpm-tis-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/test-io-channel-file$(EXESUF): tests/test-io-channel-file.o \
tests/io-channel-helpers.o $(test-io-obj-y)
tests/test-io-channel-tls$(EXESUF): tests/test-io-channel-tls.o \
diff --git a/tests/tpm-emu.c b/tests/tpm-emu.c
index cbb92af..4dada76 100644
--- a/tests/tpm-emu.c
+++ b/tests/tpm-emu.c
@@ -155,6 +155,13 @@ void *tpm_emu_ctrl_thread(void *data)
qio_channel_write(ioc, (char *)&loc, sizeof(loc), &error_abort);
break;
}
+ case CMD_GET_TPMESTABLISHED: {
+ ptm_est est = {
+ .u.resp.bit = 0,
+ };
+ qio_channel_write(ioc, (char *)&est, sizeof(est), &error_abort);
+ break;
+ }
default:
g_debug("unimplemented %u", cmd);
g_assert_not_reached();
diff --git a/tests/tpm-tis-test.c b/tests/tpm-tis-test.c
new file mode 100644
index 0000000..14754d9
--- /dev/null
+++ b/tests/tpm-tis-test.c
@@ -0,0 +1,486 @@
+/*
+ * QTest testcase for TPM TIS
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ * Copyright (c) 2018 IBM Corporation
+ *
+ * Authors:
+ * Marc-André Lureau <marcandre.lureau@redhat.com>
+ * Stefan Berger <stefanb@linux.vnet.ibm.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.
+ */
+
+#include "qemu/osdep.h"
+#include <glib/gstdio.h>
+
+#include "hw/acpi/tpm.h"
+#include "io/channel-socket.h"
+#include "libqtest.h"
+#include "tpm-emu.h"
+
+#define TIS_REG(LOCTY, REG) \
+ (TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG)
+
+#define DEBUG_TIS_TEST 0
+
+#define DPRINTF(fmt, ...) do { \
+ if (DEBUG_TIS_TEST) { \
+ printf(fmt, ## __VA_ARGS__); \
+ } \
+} while (0)
+
+#define DPRINTF_ACCESS \
+ DPRINTF("%s: %d: locty=%d l=%d access=0x%02x pending_request_flag=0x%x\n", \
+ __func__, __LINE__, locty, l, access, pending_request_flag)
+
+#define DPRINTF_STS \
+ DPRINTF("%s: %d: sts = 0x%08x\n", __func__, __LINE__, sts)
+
+static const uint8_t TPM_CMD[12] =
+ "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00";
+
+static void tpm_tis_test_check_localities(const void *data)
+{
+ uint8_t locty;
+ uint8_t access;
+ uint32_t ifaceid;
+ uint32_t capability;
+ uint32_t didvid;
+ uint32_t rid;
+
+ for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES; locty++) {
+ access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ capability = readl(TIS_REG(locty, TPM_TIS_REG_INTF_CAPABILITY));
+ g_assert_cmpint(capability, ==, TPM_TIS_CAPABILITIES_SUPPORTED2_0);
+
+ ifaceid = readl(TIS_REG(locty, TPM_TIS_REG_INTERFACE_ID));
+ g_assert_cmpint(ifaceid, ==, TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0);
+
+ didvid = readl(TIS_REG(locty, TPM_TIS_REG_DID_VID));
+ g_assert_cmpint(didvid, !=, 0);
+ g_assert_cmpint(didvid, !=, 0xffffffff);
+
+ rid = readl(TIS_REG(locty, TPM_TIS_REG_RID));
+ g_assert_cmpint(rid, !=, 0);
+ g_assert_cmpint(rid, !=, 0xffffffff);
+ }
+}
+
+static void tpm_tis_test_check_access_reg(const void *data)
+{
+ uint8_t locty;
+ uint8_t access;
+
+ /* do not test locality 4 (hw only) */
+ for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* request use of locality */
+ writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* release access */
+ writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ }
+}
+
+/*
+ * Test case for seizing access by a higher number locality
+ */
+static void tpm_tis_test_check_access_reg_seize(const void *data)
+{
+ int locty, l;
+ uint8_t access;
+ uint8_t pending_request_flag;
+
+ /* do not test locality 4 (hw only) */
+ for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
+ pending_request_flag = 0;
+
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* request use of locality */
+ writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* lower localities cannot seize access */
+ for (l = 0; l < locty; l++) {
+ /* lower locality is not active */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* try to request use from 'l' */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+
+ /* requesting use from 'l' was not possible;
+ we must see REQUEST_USE and possibly PENDING_REQUEST */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_REQUEST_USE |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* locality 'locty' must be unchanged;
+ we must see PENDING_REQUEST */
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_PENDING_REQUEST |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* try to seize from 'l' */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
+ /* seize from 'l' was not possible */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_REQUEST_USE |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* locality 'locty' must be unchanged */
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_PENDING_REQUEST |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* on the next loop we will have a PENDING_REQUEST flag
+ set for locality 'l' */
+ pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
+ }
+
+ /* higher localities can 'seize' access but not 'request use';
+ note: this will activate first l+1, then l+2 etc. */
+ for (l = locty + 1; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
+ /* try to 'request use' from 'l' */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+
+ /* requesting use from 'l' was not possible; we should see
+ REQUEST_USE and may see PENDING_REQUEST */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_REQUEST_USE |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* locality 'l-1' must be unchanged; we should always
+ see PENDING_REQUEST from 'l' requesting access */
+ access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_PENDING_REQUEST |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* try to seize from 'l' */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
+
+ /* seize from 'l' was possible */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* l - 1 should show that it has BEEN_SEIZED */
+ access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_BEEN_SEIZED |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* clear the BEEN_SEIZED flag and make sure it's gone */
+ writeb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_BEEN_SEIZED);
+
+ access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ }
+
+ /* PENDING_REQUEST will not be set if locty = 0 since all localities
+ were active; in case of locty = 1, locality 0 will be active
+ but no PENDING_REQUEST anywhere */
+ if (locty <= 1) {
+ pending_request_flag = 0;
+ }
+
+ /* release access from l - 1; this activates locty - 1 */
+ l--;
+
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+
+ DPRINTF("%s: %d: relinquishing control on l = %d\n",
+ __func__, __LINE__, l);
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ for (l = locty - 1; l >= 0; l--) {
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* release this locality */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+
+ if (l == 1) {
+ pending_request_flag = 0;
+ }
+ }
+
+ /* no locality may be active now */
+ for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ }
+ }
+}
+
+/*
+ * Test case for getting access when higher number locality relinquishes access
+ */
+static void tpm_tis_test_check_access_reg_release(const void *data)
+{
+ int locty, l;
+ uint8_t access;
+ uint8_t pending_request_flag;
+
+ /* do not test locality 4 (hw only) */
+ for (locty = TPM_TIS_NUM_LOCALITIES - 2; locty >= 0; locty--) {
+ pending_request_flag = 0;
+
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* request use of locality */
+ writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+ access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ /* request use of all other localities */
+ for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
+ if (l == locty) {
+ continue;
+ }
+ /* request use of locality 'l' -- we MUST see REQUEST USE and
+ may see PENDING_REQUEST */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_REQUEST_USE |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
+ }
+ /* release locality 'locty' */
+ writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+ /* highest locality should now be active; release it and make sure the
+ next higest locality is active afterwards */
+ for (l = TPM_TIS_NUM_LOCALITIES - 2; l >= 0; l--) {
+ if (l == locty) {
+ continue;
+ }
+ /* 'l' should be active now */
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ /* 'l' relinquishes access */
+ writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+ access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
+ DPRINTF_ACCESS;
+ if (l == 1 || (locty <= 1 && l == 2)) {
+ pending_request_flag = 0;
+ }
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ pending_request_flag |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+ }
+ }
+}
+
+/*
+ * Test case for transmitting packets
+ */
+static void tpm_tis_test_check_transmit(const void *data)
+{
+ const TestState *s = data;
+ uint8_t access;
+ uint32_t sts;
+ uint16_t bcount;
+ size_t i;
+
+ /* request use of locality 0 */
+ writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
+ access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
+ g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
+ TPM_TIS_ACCESS_ACTIVE_LOCALITY |
+ TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
+
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ DPRINTF_STS;
+
+ g_assert_cmpint(sts & 0xff, ==, 0);
+ g_assert_cmpint(sts & TPM_TIS_STS_TPM_FAMILY_MASK, ==,
+ TPM_TIS_STS_TPM_FAMILY2_0);
+
+ bcount = (sts >> 8) & 0xffff;
+ g_assert_cmpint(bcount, >=, 128);
+
+ writel(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_COMMAND_READY);
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ DPRINTF_STS;
+ g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_COMMAND_READY);
+
+ /* transmit command */
+ for (i = 0; i < sizeof(TPM_CMD); i++) {
+ writeb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO), TPM_CMD[i]);
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ DPRINTF_STS;
+ if (i < sizeof(TPM_CMD) - 1) {
+ g_assert_cmpint(sts & 0xff, ==,
+ TPM_TIS_STS_EXPECT | TPM_TIS_STS_VALID);
+ } else {
+ g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_VALID);
+ }
+ g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
+ }
+ /* start processing */
+ writeb(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_TPM_GO);
+
+ uint64_t end_time = g_get_monotonic_time() + 50 * G_TIME_SPAN_SECOND;
+ do {
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ if ((sts & TPM_TIS_STS_DATA_AVAILABLE) != 0) {
+ break;
+ }
+ } while (g_get_monotonic_time() < end_time);
+
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ DPRINTF_STS;
+ g_assert_cmpint(sts & 0xff, == ,
+ TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
+ bcount = (sts >> 8) & 0xffff;
+
+ /* read response */
+ uint8_t tpm_msg[sizeof(struct tpm_hdr)];
+ g_assert_cmpint(sizeof(tpm_msg), ==, bcount);
+
+ for (i = 0; i < sizeof(tpm_msg); i++) {
+ tpm_msg[i] = readb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO));
+ sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
+ DPRINTF_STS;
+ if (sts & TPM_TIS_STS_DATA_AVAILABLE) {
+ g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
+ }
+ }
+ g_assert_cmpmem(tpm_msg, sizeof(tpm_msg), s->tpm_msg, sizeof(*s->tpm_msg));
+
+ /* relinquish use of locality 0 */
+ writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_ACTIVE_LOCALITY);
+ access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ char *args, *tmp_path = g_dir_make_tmp("qemu-tpm-tis-test.XXXXXX", NULL);
+ GThread *thread;
+ TestState test;
+
+ module_call_init(MODULE_INIT_QOM);
+ g_test_init(&argc, &argv, NULL);
+
+ test.addr = g_new0(SocketAddress, 1);
+ test.addr->type = SOCKET_ADDRESS_TYPE_UNIX;
+ test.addr->u.q_unix.path = g_build_filename(tmp_path, "sock", NULL);
+ g_mutex_init(&test.data_mutex);
+ g_cond_init(&test.data_cond);
+
+ thread = g_thread_new(NULL, tpm_emu_ctrl_thread, &test);
+ tpm_emu_test_wait_cond(&test);
+
+ args = g_strdup_printf(
+ "-chardev socket,id=chr,path=%s "
+ "-tpmdev emulator,id=dev,chardev=chr "
+ "-device tpm-tis,tpmdev=dev",
+ test.addr->u.q_unix.path);
+ qtest_start(args);
+
+ qtest_add_data_func("/tpm-tis/test_check_localities", &test,
+ tpm_tis_test_check_localities);
+
+ qtest_add_data_func("/tpm-tis/test_check_access_reg", &test,
+ tpm_tis_test_check_access_reg);
+
+ qtest_add_data_func("/tpm-tis/test_check_access_reg_seize", &test,
+ tpm_tis_test_check_access_reg_seize);
+
+ qtest_add_data_func("/tpm-tis/test_check_access_reg_release", &test,
+ tpm_tis_test_check_access_reg_release);
+
+ qtest_add_data_func("/tpm-tis/test_check_transmit", &test,
+ tpm_tis_test_check_transmit);
+
+ ret = g_test_run();
+
+ qtest_end();
+
+ g_thread_join(thread);
+ g_unlink(test.addr->u.q_unix.path);
+ qapi_free_SocketAddress(test.addr);
+ g_rmdir(tmp_path);
+ g_free(tmp_path);
+ g_free(args);
+ return ret;
+}
--
2.5.5
^ permalink raw reply related [flat|nested] 4+ messages in thread