diff options
| -rw-r--r-- | tests/qtest/Makefile.include | 2 | ||||
| -rw-r--r-- | tests/qtest/tpm-crb-swtpm-test.c | 4 | ||||
| -rw-r--r-- | tests/qtest/tpm-crb-test.c | 3 | ||||
| -rw-r--r-- | tests/qtest/tpm-tis-swtpm-test.c | 3 | ||||
| -rw-r--r-- | tests/qtest/tpm-tis-test.c | 414 | ||||
| -rw-r--r-- | tests/qtest/tpm-tis-util.c | 451 | ||||
| -rw-r--r-- | tests/qtest/tpm-tis-util.h | 23 | ||||
| -rw-r--r-- | tests/qtest/tpm-util.c | 3 | ||||
| -rw-r--r-- | tests/qtest/tpm-util.h | 5 |
9 files changed, 493 insertions, 415 deletions
diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include index 028af5b782..44aac68b25 100644 --- a/tests/qtest/Makefile.include +++ b/tests/qtest/Makefile.include @@ -302,7 +302,7 @@ tests/qtest/tpm-crb-swtpm-test$(EXESUF): tests/qtest/tpm-crb-swtpm-test.o tests/ tests/qtest/tpm-crb-test$(EXESUF): tests/qtest/tpm-crb-test.o tests/qtest/tpm-emu.o $(test-io-obj-y) tests/qtest/tpm-tis-swtpm-test$(EXESUF): tests/qtest/tpm-tis-swtpm-test.o tests/qtest/tpm-emu.o \ tests/qtest/tpm-util.o tests/qtest/tpm-tests.o $(test-io-obj-y) -tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-emu.o $(test-io-obj-y) +tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-tis-util.o tests/qtest/tpm-emu.o $(test-io-obj-y) # QTest rules diff --git a/tests/qtest/tpm-crb-swtpm-test.c b/tests/qtest/tpm-crb-swtpm-test.c index 5228cb7af4..55fdb5657d 100644 --- a/tests/qtest/tpm-crb-swtpm-test.c +++ b/tests/qtest/tpm-crb-swtpm-test.c @@ -18,6 +18,10 @@ #include "libqtest.h" #include "qemu/module.h" #include "tpm-tests.h" +#include "hw/acpi/tpm.h" + +/* Not used but needed for linking */ +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE; typedef struct TestState { char *src_tpm_path; diff --git a/tests/qtest/tpm-crb-test.c b/tests/qtest/tpm-crb-test.c index 632fb7fbd8..ed533900d1 100644 --- a/tests/qtest/tpm-crb-test.c +++ b/tests/qtest/tpm-crb-test.c @@ -19,6 +19,9 @@ #include "qemu/module.h" #include "tpm-emu.h" +/* Not used but needed for linking */ +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE; + #define TPM_CMD "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00" static void tpm_crb_test(const void *data) diff --git a/tests/qtest/tpm-tis-swtpm-test.c b/tests/qtest/tpm-tis-swtpm-test.c index 9470f15751..90131cb3c4 100644 --- a/tests/qtest/tpm-tis-swtpm-test.c +++ b/tests/qtest/tpm-tis-swtpm-test.c @@ -18,6 +18,9 @@ #include "libqtest.h" #include "qemu/module.h" #include "tpm-tests.h" +#include "hw/acpi/tpm.h" + +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE; typedef struct TestState { char *src_tpm_path; diff --git a/tests/qtest/tpm-tis-test.c b/tests/qtest/tpm-tis-test.c index dcf30e05b7..79ffbc943e 100644 --- a/tests/qtest/tpm-tis-test.c +++ b/tests/qtest/tpm-tis-test.c @@ -1,5 +1,5 @@ /* - * QTest testcase for TPM TIS + * QTest testcase for ISA TPM TIS * * Copyright (c) 2018 Red Hat, Inc. * Copyright (c) 2018 IBM Corporation @@ -20,417 +20,9 @@ #include "libqtest-single.h" #include "qemu/module.h" #include "tpm-emu.h" +#include "tpm-tis-util.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)); -} +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE; int main(int argc, char **argv) { diff --git a/tests/qtest/tpm-tis-util.c b/tests/qtest/tpm-tis-util.c new file mode 100644 index 0000000000..9aff503fd8 --- /dev/null +++ b/tests/qtest/tpm-tis-util.c @@ -0,0 +1,451 @@ +/* + * QTest testcase for TPM TIS: common test functions used for both + * the ISA and SYSBUS devices + * + * 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-single.h" +#include "qemu/module.h" +#include "tpm-emu.h" +#include "tpm-util.h" +#include "tpm-tis-util.h" + +#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"; + +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); + } +} + +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 + */ +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 + */ +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 + */ +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)); +} diff --git a/tests/qtest/tpm-tis-util.h b/tests/qtest/tpm-tis-util.h new file mode 100644 index 0000000000..d10efe86ae --- /dev/null +++ b/tests/qtest/tpm-tis-util.h @@ -0,0 +1,23 @@ +/* + * QTest TPM TIS: Common test functions used for both the + * ISA and SYSBUS devices + * + * Copyright (c) 2018 IBM Corporation + * + * Authors: + * 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. + */ + +#ifndef TESTS_TPM_TIS_UTIL_H +#define TESTS_TPM_TIS_UTIL_H + +void tpm_tis_test_check_localities(const void *data); +void tpm_tis_test_check_access_reg(const void *data); +void tpm_tis_test_check_access_reg_seize(const void *data); +void tpm_tis_test_check_access_reg_release(const void *data); +void tpm_tis_test_check_transmit(const void *data); + +#endif /* TESTS_TPM_TIS_UTIL_H */ diff --git a/tests/qtest/tpm-util.c b/tests/qtest/tpm-util.c index 7ecdae2fc6..34efae8f18 100644 --- a/tests/qtest/tpm-util.c +++ b/tests/qtest/tpm-util.c @@ -19,9 +19,6 @@ #include "tpm-util.h" #include "qapi/qmp/qdict.h" -#define TIS_REG(LOCTY, REG) \ - (TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG) - void tpm_util_crb_transfer(QTestState *s, const unsigned char *req, size_t req_size, unsigned char *rsp, size_t rsp_size) diff --git a/tests/qtest/tpm-util.h b/tests/qtest/tpm-util.h index 15e3924942..3b97d69017 100644 --- a/tests/qtest/tpm-util.h +++ b/tests/qtest/tpm-util.h @@ -15,6 +15,11 @@ #include "io/channel-socket.h" +extern uint64_t tpm_tis_base_addr; + +#define TIS_REG(LOCTY, REG) \ + (tpm_tis_base_addr + ((LOCTY) << 12) + REG) + typedef void (tx_func)(QTestState *s, const unsigned char *req, size_t req_size, unsigned char *rsp, size_t rsp_size); 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