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tpm: convert tpm_util.c to use trace-events 

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Berger 2018-03-02 20:42:48 -05:00
parent 49d302fe3d
commit cc7d320f5d
2 changed files with 19 additions and 17 deletions
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29
hw/tpm/tpm_util.c
View File

@ -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;
}

7
hw/tpm/trace-events
View File

@ -7,3 +7,10 @@ tpm_crb_mmio_write(uint64_t addr, unsigned size, uint32_t val) "CRB write 0x" TA
# 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"