[PATCH 03/11] tpm: Add debugging of request in tpm_sendrecv_command()
Simon Glass
sjg at chromium.org
Sat Jan 16 22:51:30 CET 2021
The response is shown but not the request. Update the code to show both
if debugging is enabled.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
lib/tpm-common.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lib/tpm-common.c b/lib/tpm-common.c
index e4af87f76aa..0255d3bd9cf 100644
--- a/lib/tpm-common.c
+++ b/lib/tpm-common.c
@@ -165,7 +165,7 @@ u32 tpm_sendrecv_command(struct udevice *dev, const void *command,
int err, ret;
u8 response_buffer[COMMAND_BUFFER_SIZE];
size_t response_length;
- int i;
+ int i, size;
if (response) {
response_length = *size_ptr;
@@ -174,8 +174,13 @@ u32 tpm_sendrecv_command(struct udevice *dev, const void *command,
response_length = sizeof(response_buffer);
}
- err = tpm_xfer(dev, command, tpm_command_size(command),
- response, &response_length);
+ size = tpm_command_size(command);
+ log_debug("TPM request [size:%d]: ", size);
+ for (i = 0; i < size; i++)
+ log_debug("%02x ", ((u8 *)command)[i]);
+ log_debug("\n");
+
+ err = tpm_xfer(dev, command, size, response, &response_length);
if (err < 0)
return err;
--
2.30.0.284.gd98b1dd5eaa7-goog
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