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-rw-r--r--Makefile.objs1
-rw-r--r--hw/tpm/tpm_crb.c17
-rw-r--r--hw/tpm/tpm_emulator.c45
-rw-r--r--hw/tpm/tpm_passthrough.c13
-rw-r--r--hw/tpm/tpm_tis.c98
-rw-r--r--hw/tpm/tpm_util.c29
-rw-r--r--hw/tpm/trace-events46
7 files changed, 135 insertions, 114 deletions
diff --git a/Makefile.objs b/Makefile.objs
index 69413d33b1..d8b44a2d3c 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -233,6 +233,7 @@ trace-events-subdirs += hw/alpha
trace-events-subdirs += hw/hppa
trace-events-subdirs += hw/xen
trace-events-subdirs += hw/ide
+trace-events-subdirs += hw/tpm
trace-events-subdirs += ui
trace-events-subdirs += audio
trace-events-subdirs += net
diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
index b5b8256360..d8917cb101 100644
--- a/hw/tpm/tpm_crb.c
+++ b/hw/tpm/tpm_crb.c
@@ -29,6 +29,7 @@
#include "sysemu/reset.h"
#include "tpm_int.h"
#include "tpm_util.h"
+#include "trace.h"
typedef struct CRBState {
DeviceState parent_obj;
@@ -44,14 +45,6 @@ typedef struct CRBState {
#define CRB(obj) OBJECT_CHECK(CRBState, (obj), TYPE_TPM_CRB)
-#define DEBUG_CRB 0
-
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_CRB) { \
- printf(fmt, ## __VA_ARGS__); \
- } \
- } while (0)
-
#define CRB_INTF_TYPE_CRB_ACTIVE 0b1
#define CRB_INTF_VERSION_CRB 0b1
#define CRB_INTF_CAP_LOCALITY_0_ONLY 0b0
@@ -91,8 +84,8 @@ static uint64_t tpm_crb_mmio_read(void *opaque, hwaddr addr,
unsigned offset = addr & 3;
uint32_t val = *(uint32_t *)regs >> (8 * offset);
- DPRINTF("CRB read 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32 "\n",
- addr, size, val);
+ trace_tpm_crb_mmio_read(addr, size, val);
+
return val;
}
@@ -100,8 +93,8 @@ static void tpm_crb_mmio_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
CRBState *s = CRB(opaque);
- DPRINTF("CRB write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx64 "\n",
- addr, size, val);
+
+ trace_tpm_crb_mmio_write(addr, size, val);
switch (addr) {
case A_CRB_CTRL_REQ:
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c
index f187a72c10..6418ef0831 100644
--- a/hw/tpm/tpm_emulator.c
+++ b/hw/tpm/tpm_emulator.c
@@ -40,14 +40,7 @@
#include "qapi/clone-visitor.h"
#include "qapi/qapi-visit-tpm.h"
#include "chardev/char-fe.h"
-
-#define DEBUG_TPM 0
-
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_TPM) { \
- fprintf(stderr, "tpm-emulator:"fmt"\n", ## __VA_ARGS__); \
- } \
-} while (0)
+#include "trace.h"
#define TYPE_TPM_EMULATOR "tpm-emulator"
#define TPM_EMULATOR(obj) \
@@ -152,13 +145,12 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number,
{
ptm_loc loc;
- DPRINTF("%s : locality: 0x%x", __func__, locty_number);
-
if (tpm_emu->cur_locty_number == locty_number) {
return 0;
}
- DPRINTF("setting locality : 0x%x", locty_number);
+ trace_tpm_emulator_set_locality(locty_number);
+
loc.u.req.loc = locty_number;
if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SET_LOCALITY, &loc,
sizeof(loc), sizeof(loc)) < 0) {
@@ -184,7 +176,7 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
{
TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
- DPRINTF("processing TPM command");
+ trace_tpm_emulator_handle_request();
if (tpm_emulator_set_locality(tpm_emu, cmd->locty, errp) < 0 ||
tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len,
@@ -196,7 +188,6 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu)
{
- DPRINTF("%s", __func__);
if (tpm_emulator_ctrlcmd(tpm_emu, CMD_GET_CAPABILITY,
&tpm_emu->caps, 0, sizeof(tpm_emu->caps)) < 0) {
error_report("tpm-emulator: probing failed : %s", strerror(errno));
@@ -205,7 +196,7 @@ static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu)
tpm_emu->caps = be64_to_cpu(tpm_emu->caps);
- DPRINTF("capabilities : 0x%"PRIx64, tpm_emu->caps);
+ trace_tpm_emulator_probe_caps(tpm_emu->caps);
return 0;
}
@@ -294,7 +285,7 @@ static int tpm_emulator_set_buffer_size(TPMBackend *tb,
*actual_size = be32_to_cpu(psbs.u.resp.buffersize);
}
- DPRINTF("buffer size: %u, min: %u, max: %u\n",
+ trace_tpm_emulator_set_buffer_size(
be32_to_cpu(psbs.u.resp.buffersize),
be32_to_cpu(psbs.u.resp.minsize),
be32_to_cpu(psbs.u.resp.maxsize));
@@ -315,7 +306,7 @@ static int tpm_emulator_startup_tpm(TPMBackend *tb, size_t buffersize)
goto err_exit;
}
- DPRINTF("%s", __func__);
+ trace_tpm_emulator_startup_tpm();
if (tpm_emulator_ctrlcmd(tpm_emu, CMD_INIT, &init, sizeof(init),
sizeof(init)) < 0) {
error_report("tpm-emulator: could not send INIT: %s",
@@ -349,7 +340,7 @@ static bool tpm_emulator_get_tpm_established_flag(TPMBackend *tb)
strerror(errno));
return false;
}
- DPRINTF("got established flag: %0x", est.u.resp.bit);
+ trace_tpm_emulator_get_tpm_established_flag(est.u.resp.bit);
tpm_emu->established_flag_cached = 1;
tpm_emu->established_flag = (est.u.resp.bit != 0);
@@ -396,7 +387,7 @@ static void tpm_emulator_cancel_cmd(TPMBackend *tb)
ptm_res res;
if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, PTM_CAP_CANCEL_TPM_CMD)) {
- DPRINTF("Backend does not support CANCEL_TPM_CMD");
+ trace_tpm_emulator_cancel_cmd_not_supt();
return;
}
@@ -522,8 +513,16 @@ static int tpm_emulator_handle_device_opts(TPMEmulator *tpm_emu, QemuOpts *opts)
goto err;
}
- DPRINTF("TPM Version %s", tpm_emu->tpm_version == TPM_VERSION_1_2 ? "1.2" :
- (tpm_emu->tpm_version == TPM_VERSION_2_0 ? "2.0" : "Unspecified"));
+ switch (tpm_emu->tpm_version) {
+ case TPM_VERSION_1_2:
+ trace_tpm_emulator_handle_device_opts_tpm12();
+ break;
+ case TPM_VERSION_2_0:
+ trace_tpm_emulator_handle_device_opts_tpm2();
+ break;
+ default:
+ trace_tpm_emulator_handle_device_opts_unspec();
+ }
if (tpm_emulator_probe_caps(tpm_emu) ||
tpm_emulator_check_caps(tpm_emu)) {
@@ -533,7 +532,8 @@ static int tpm_emulator_handle_device_opts(TPMEmulator *tpm_emu, QemuOpts *opts)
return tpm_emulator_block_migration(tpm_emu);
err:
- DPRINTF("Startup error");
+ trace_tpm_emulator_handle_device_opts_startup_error();
+
return -1;
}
@@ -574,7 +574,8 @@ static void tpm_emulator_inst_init(Object *obj)
{
TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
- DPRINTF("%s", __func__);
+ trace_tpm_emulator_inst_init();
+
tpm_emu->options = g_new0(TPMEmulatorOptions, 1);
tpm_emu->cur_locty_number = ~0;
qemu_mutex_init(&tpm_emu->mutex);
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index 211df3191c..479317ee50 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -32,14 +32,7 @@
#include "qapi/clone-visitor.h"
#include "qapi/qapi-visit-tpm.h"
#include "tpm_util.h"
-
-#define DEBUG_TPM 0
-
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_TPM) { \
- fprintf(stderr, fmt, ## __VA_ARGS__); \
- } \
-} while (0)
+#include "trace.h"
#define TYPE_TPM_PASSTHROUGH "tpm-passthrough"
#define TPM_PASSTHROUGH(obj) \
@@ -138,7 +131,7 @@ static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
{
TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
- DPRINTF("tpm_passthrough: processing command %p\n", cmd);
+ trace_tpm_passthrough_handle_request(cmd);
tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len,
cmd->out, cmd->out_len, &cmd->selftest_done,
@@ -147,7 +140,7 @@ static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
static void tpm_passthrough_reset(TPMBackend *tb)
{
- DPRINTF("tpm_passthrough: CALL TO TPM_RESET!\n");
+ trace_tpm_passthrough_reset();
tpm_passthrough_cancel_cmd(tb);
}
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 834eef75fa..2ac7e74307 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -31,6 +31,7 @@
#include "sysemu/tpm_backend.h"
#include "tpm_int.h"
#include "tpm_util.h"
+#include "trace.h"
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
#define TPM_TIS_LOCALITY_SHIFT 12
@@ -86,12 +87,6 @@ typedef struct TPMState {
#define DEBUG_TIS 0
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_TIS) { \
- printf(fmt, ## __VA_ARGS__); \
- } \
-} while (0)
-
/* local prototypes */
static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
@@ -107,19 +102,17 @@ static uint8_t tpm_tis_locality_from_addr(hwaddr addr)
static void tpm_tis_show_buffer(const unsigned char *buffer,
size_t buffer_size, const char *string)
{
-#ifdef DEBUG_TIS
uint32_t len, i;
len = MIN(tpm_cmd_get_size(buffer), buffer_size);
- DPRINTF("tpm_tis: %s length = %d\n", string, len);
+ printf("tpm_tis: %s length = %d\n", string, len);
for (i = 0; i < len; i++) {
if (i && !(i % 16)) {
- DPRINTF("\n");
+ printf("\n");
}
- DPRINTF("%.2X ", buffer[i]);
+ printf("%.2X ", buffer[i]);
}
- DPRINTF("\n");
-#endif
+ printf("\n");
}
/*
@@ -146,8 +139,10 @@ static void tpm_tis_sts_set(TPMLocality *l, uint32_t flags)
*/
static void tpm_tis_tpm_send(TPMState *s, uint8_t locty)
{
- tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
- "tpm_tis: To TPM");
+ if (DEBUG_TIS) {
+ tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
+ "tpm_tis: To TPM");
+ }
/*
* rw_offset serves as length indicator for length of data;
@@ -175,7 +170,7 @@ static void tpm_tis_raise_irq(TPMState *s, uint8_t locty, uint32_t irqmask)
if ((s->loc[locty].inte & TPM_TIS_INT_ENABLED) &&
(s->loc[locty].inte & irqmask)) {
- DPRINTF("tpm_tis: Raising IRQ for flag %08x\n", irqmask);
+ trace_tpm_tis_raise_irq(irqmask);
qemu_irq_raise(s->irq);
s->loc[locty].ints |= irqmask;
}
@@ -223,7 +218,7 @@ static void tpm_tis_new_active_locality(TPMState *s, uint8_t new_active_locty)
s->active_locty = new_active_locty;
- DPRINTF("tpm_tis: Active locality is now %d\n", s->active_locty);
+ trace_tpm_tis_new_active_locality(s->active_locty);
if (TPM_TIS_IS_VALID_LOCTY(new_active_locty)) {
/* set flags on the new active locality */
@@ -242,7 +237,7 @@ static void tpm_tis_abort(TPMState *s, uint8_t locty)
{
s->rw_offset = 0;
- DPRINTF("tpm_tis: tis_abort: new active locality is %d\n", s->next_locty);
+ trace_tpm_tis_abort(s->next_locty);
/*
* Need to react differently depending on who's aborting now and
@@ -310,8 +305,10 @@ static void tpm_tis_request_completed(TPMIf *ti, int ret)
s->loc[locty].state = TPM_TIS_STATE_COMPLETION;
s->rw_offset = 0;
- tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
- "tpm_tis: From TPM");
+ if (DEBUG_TIS) {
+ tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
+ "tpm_tis: From TPM");
+ }
if (TPM_TIS_IS_VALID_LOCTY(s->next_locty)) {
tpm_tis_abort(s, locty);
@@ -339,8 +336,7 @@ static uint32_t tpm_tis_data_read(TPMState *s, uint8_t locty)
tpm_tis_sts_set(&s->loc[locty], TPM_TIS_STS_VALID);
tpm_tis_raise_irq(s, locty, TPM_TIS_INT_STS_VALID);
}
- DPRINTF("tpm_tis: tpm_tis_data_read byte 0x%02x [%d]\n",
- ret, s->rw_offset - 1);
+ trace_tpm_tis_data_read(ret, s->rw_offset - 1);
}
return ret;
@@ -364,29 +360,29 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr)
hwaddr base = addr & ~0xfff;
TPMState *s = opaque;
- DPRINTF("tpm_tis: active locality : %d\n"
- "tpm_tis: state of locality %d : %d\n"
- "tpm_tis: register dump:\n",
- s->active_locty,
- locty, s->loc[locty].state);
+ printf("tpm_tis: active locality : %d\n"
+ "tpm_tis: state of locality %d : %d\n"
+ "tpm_tis: register dump:\n",
+ s->active_locty,
+ locty, s->loc[locty].state);
for (idx = 0; regs[idx] != 0xfff; idx++) {
- DPRINTF("tpm_tis: 0x%04x : 0x%08x\n", regs[idx],
- (int)tpm_tis_mmio_read(opaque, base + regs[idx], 4));
+ printf("tpm_tis: 0x%04x : 0x%08x\n", regs[idx],
+ (int)tpm_tis_mmio_read(opaque, base + regs[idx], 4));
}
- DPRINTF("tpm_tis: r/w offset : %d\n"
- "tpm_tis: result buffer : ",
- s->rw_offset);
+ printf("tpm_tis: r/w offset : %d\n"
+ "tpm_tis: result buffer : ",
+ s->rw_offset);
for (idx = 0;
idx < MIN(tpm_cmd_get_size(&s->buffer), s->be_buffer_size);
idx++) {
- DPRINTF("%c%02x%s",
- s->rw_offset == idx ? '>' : ' ',
- s->buffer[idx],
- ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : "");
+ printf("%c%02x%s",
+ s->rw_offset == idx ? '>' : ' ',
+ s->buffer[idx],
+ ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : "");
}
- DPRINTF("\n");
+ printf("\n");
}
#endif
@@ -506,7 +502,7 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
val >>= shift;
}
- DPRINTF("tpm_tis: read.%u(%08x) = %08x\n", size, (int)addr, (int)val);
+ trace_tpm_tis_mmio_read(size, addr, val);
return val;
}
@@ -527,10 +523,10 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
uint16_t len;
uint32_t mask = (size == 1) ? 0xff : ((size == 2) ? 0xffff : ~0);
- DPRINTF("tpm_tis: write.%u(%08x) = %08x\n", size, (int)addr, (int)val);
+ trace_tpm_tis_mmio_write(size, addr, val);
if (locty == 4) {
- DPRINTF("tpm_tis: Access to locality 4 only allowed from hardware\n");
+ trace_tpm_tis_mmio_write_locty4();
return;
}
@@ -560,20 +556,18 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
if ((val & TPM_TIS_ACCESS_ACTIVE_LOCALITY)) {
/* give up locality if currently owned */
if (s->active_locty == locty) {
- DPRINTF("tpm_tis: Releasing locality %d\n", locty);
+ trace_tpm_tis_mmio_write_release_locty(locty);
uint8_t newlocty = TPM_TIS_NO_LOCALITY;
/* anybody wants the locality ? */
for (c = TPM_TIS_NUM_LOCALITIES - 1; c >= 0; c--) {
if ((s->loc[c].access & TPM_TIS_ACCESS_REQUEST_USE)) {
- DPRINTF("tpm_tis: Locality %d requests use.\n", c);
+ trace_tpm_tis_mmio_write_locty_req_use(c);
newlocty = c;
break;
}
}
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_ACTIVE_LOCALITY: "
- "Next active locality: %d\n",
- newlocty);
+ trace_tpm_tis_mmio_write_next_locty(newlocty);
if (TPM_TIS_IS_VALID_LOCTY(newlocty)) {
set_new_locty = 0;
@@ -627,10 +621,10 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
}
s->loc[locty].access |= TPM_TIS_ACCESS_SEIZE;
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_SEIZE: "
- "Locality %d seized from locality %d\n",
- locty, s->active_locty);
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_SEIZE: Initiating abort.\n");
+
+ trace_tpm_tis_mmio_write_locty_seized(locty, s->active_locty);
+ trace_tpm_tis_mmio_write_init_abort();
+
set_new_locty = 0;
tpm_tis_prep_abort(s, s->active_locty, locty);
break;
@@ -677,7 +671,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
s->loc[locty].ints &= ~val;
if (s->loc[locty].ints == 0) {
qemu_irq_lower(s->irq);
- DPRINTF("tpm_tis: Lowering IRQ\n");
+ trace_tpm_tis_mmio_write_lowering_irq();
}
}
s->loc[locty].ints &= ~(val & TPM_TIS_INTERRUPTS_SUPPORTED);
@@ -725,8 +719,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
case TPM_TIS_STATE_EXECUTION:
case TPM_TIS_STATE_RECEPTION:
/* abort currently running command */
- DPRINTF("tpm_tis: %s: Initiating abort.\n",
- __func__);
+ trace_tpm_tis_mmio_write_init_abort();
tpm_tis_prep_abort(s, locty, locty);
break;
@@ -780,8 +773,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
s->loc[locty].state == TPM_TIS_STATE_COMPLETION) {
/* drop the byte */
} else {
- DPRINTF("tpm_tis: Data to send to TPM: %08x (size=%d)\n",
- (int)val, size);
+ trace_tpm_tis_mmio_write_data2send(val, size);
if (s->loc[locty].state == TPM_TIS_STATE_READY) {
s->loc[locty].state = TPM_TIS_STATE_RECEPTION;
tpm_tis_sts_set(&s->loc[locty],
diff --git a/hw/tpm/tpm_util.c b/hw/tpm/tpm_util.c
index 2de52a0f1b..ee41757ea2 100644
--- a/hw/tpm/tpm_util.c
+++ b/hw/tpm/tpm_util.c
@@ -28,14 +28,7 @@
#include "exec/memory.h"
#include "sysemu/tpm_backend.h"
#include "hw/qdev.h"
-
-#define DEBUG_TPM 0
-
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_TPM) { \
- fprintf(stderr, "tpm-util:"fmt"\n", ## __VA_ARGS__); \
- } \
-} while (0)
+#include "trace.h"
/* tpm backend property */
@@ -279,10 +272,11 @@ int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
if (be32_to_cpu(tpm_resp.hdr.len) != sizeof(tpm_resp) ||
be32_to_cpu(tpm_resp.len) != sizeof(uint32_t)) {
- DPRINTF("tpm_resp->hdr.len = %u, expected = %zu\n",
- be32_to_cpu(tpm_resp.hdr.len), sizeof(tpm_resp));
- DPRINTF("tpm_resp->len = %u, expected = %zu\n",
- be32_to_cpu(tpm_resp.len), sizeof(uint32_t));
+ trace_tpm_util_get_buffer_size_hdr_len(
+ be32_to_cpu(tpm_resp.hdr.len),
+ sizeof(tpm_resp));
+ trace_tpm_util_get_buffer_size_len(be32_to_cpu(tpm_resp.len),
+ sizeof(uint32_t));
error_report("tpm_util: Got unexpected response to "
"TPM_GetCapability; errcode: 0x%x",
be32_to_cpu(tpm_resp.hdr.errcode));
@@ -327,10 +321,11 @@ int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
if (be32_to_cpu(tpm2_resp.hdr.len) != sizeof(tpm2_resp) ||
be32_to_cpu(tpm2_resp.count) != 2) {
- DPRINTF("tpm2_resp->hdr.len = %u, expected = %zu\n",
- be32_to_cpu(tpm2_resp.hdr.len), sizeof(tpm2_resp));
- DPRINTF("tpm2_resp->len = %u, expected = %u\n",
- be32_to_cpu(tpm2_resp.count), 2);
+ trace_tpm_util_get_buffer_size_hdr_len2(
+ be32_to_cpu(tpm2_resp.hdr.len),
+ sizeof(tpm2_resp));
+ trace_tpm_util_get_buffer_size_len2(
+ be32_to_cpu(tpm2_resp.count), 2);
error_report("tpm_util: Got unexpected response to "
"TPM2_GetCapability; errcode: 0x%x",
be32_to_cpu(tpm2_resp.hdr.errcode));
@@ -344,7 +339,7 @@ int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
return -EFAULT;
}
- DPRINTF("buffersize of device: %zu\n", *buffersize);
+ trace_tpm_util_get_buffer_size(*buffersize);
return 0;
}
diff --git a/hw/tpm/trace-events b/hw/tpm/trace-events
new file mode 100644
index 0000000000..9a65384088
--- /dev/null
+++ b/hw/tpm/trace-events
@@ -0,0 +1,46 @@
+# See docs/devel/tracing.txt for syntax documentation.
+
+# hw/tpm/tpm_crb.c
+tpm_crb_mmio_read(uint64_t addr, unsigned size, uint32_t val) "CRB read 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32
+tpm_crb_mmio_write(uint64_t addr, unsigned size, uint32_t val) "CRB write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32
+
+# hw/tpm/tpm_passthrough.c
+tpm_passthrough_handle_request(void *cmd) "processing command %p"
+tpm_passthrough_reset(void) "reset"
+
+# hw/tpm/tpm_util.c
+tpm_util_get_buffer_size_hdr_len(uint32_t len, size_t expected) "tpm_resp->hdr.len = %u, expected = %zu"
+tpm_util_get_buffer_size_len(uint32_t len, size_t expected) "tpm_resp->len = %u, expected = %zu"
+tpm_util_get_buffer_size_hdr_len2(uint32_t len, size_t expected) "tpm2_resp->hdr.len = %u, expected = %zu"
+tpm_util_get_buffer_size_len2(uint32_t len, size_t expected) "tpm2_resp->len = %u, expected = %zu"
+tpm_util_get_buffer_size(size_t len) "buffersize of device: %zu"
+
+# hw/tpm/tpm_emulator.c
+tpm_emulator_set_locality(uint8_t locty) "setting locality to %d"
+tpm_emulator_handle_request(void) "processing TPM command"
+tpm_emulator_probe_caps(uint64_t caps) "capabilities: 0x%"PRIx64
+tpm_emulator_set_buffer_size(uint32_t buffersize, uint32_t minsize, uint32_t maxsize) "buffer size: %u, min: %u, max: %u"
+tpm_emulator_startup_tpm(void) "startup"
+tpm_emulator_get_tpm_established_flag(uint8_t flag) "got established flag: %d"
+tpm_emulator_cancel_cmd_not_supt(void) "Backend does not support CANCEL_TPM_CMD"
+tpm_emulator_handle_device_opts_tpm12(void) "TPM Version 1.2"
+tpm_emulator_handle_device_opts_tpm2(void) "TPM Version 2"
+tpm_emulator_handle_device_opts_unspec(void) "TPM Version Unspecified"
+tpm_emulator_handle_device_opts_startup_error(void) "Startup error"
+tpm_emulator_inst_init(void) ""
+
+# hw/tpm/tpm_tis.c
+tpm_tis_raise_irq(uint32_t irqmask) "Raising IRQ for flag 0x%08x"
+tpm_tis_new_active_locality(uint8_t locty) "Active locality is now %d"
+tpm_tis_abort(uint8_t locty) "New active locality is %d"
+tpm_tis_data_read(uint32_t value, uint32_t off) "byte 0x%02x [%d]"
+tpm_tis_mmio_read(unsigned size, uint32_t addr, uint32_t val) " read.%u(0x%08x) = 0x%08x"
+tpm_tis_mmio_write(unsigned size, uint32_t addr, uint32_t val) "write.%u(0x%08x) = 0x%08x"
+tpm_tis_mmio_write_locty4(void) "Access to locality 4 only allowed from hardware"
+tpm_tis_mmio_write_release_locty(uint8_t locty) "Releasing locality %d"
+tpm_tis_mmio_write_locty_req_use(uint8_t locty) "Locality %d requests use"
+tpm_tis_mmio_write_next_locty(uint8_t locty) "Next active locality is %d"
+tpm_tis_mmio_write_locty_seized(uint8_t locty, uint8_t active) "Locality %d seized from locality %d"
+tpm_tis_mmio_write_init_abort(void) "Initiating abort"
+tpm_tis_mmio_write_lowering_irq(void) "Lowering IRQ"
+tpm_tis_mmio_write_data2send(uint32_t value, unsigned size) "Data to send to TPM: 0x%08x (size=%d)"
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-02 08:14:45 +0000