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From 5a510e0afd7c288e3f0fb3523ec749ba1366ad61 Mon Sep 17 00:00:00 2001
From: Jason Andryuk <jandryuk@gmail.com>
Date: Sun, 14 Mar 2021 12:42:10 -0400
Subject: [PATCH 1/2] Use microseconds for timeouts and durations
The timeout and duration fields should be in microseconds according to
the spec.
TPM_CAP_PROP_TIS_TIMEOUT:
A 4 element array of UINT32 values each denoting the timeout value in
microseconds for the following in this order:
TPM_CAP_PROP_DURATION:
A 3 element array of UINT32 values each denoting the duration value in
microseconds of the duration of the three classes of commands:
Linux will scale the timeouts up by 1000, but not the durations. Change
the units for both sets as appropriate.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
---
tpm/tpm_data.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/tpm/tpm_data.c b/tpm/tpm_data.c
index a3a79ef..bebaf10 100644
--- a/tpm/tpm_data.c
+++ b/tpm/tpm_data.c
@@ -67,13 +67,13 @@ static void init_nv_storage(void)
static void init_timeouts(void)
{
/* for the timeouts we use the PC platform defaults */
- tpmData.permanent.data.tis_timeouts[0] = 750;
- tpmData.permanent.data.tis_timeouts[1] = 2000;
- tpmData.permanent.data.tis_timeouts[2] = 750;
- tpmData.permanent.data.tis_timeouts[3] = 750;
- tpmData.permanent.data.cmd_durations[0] = 1;
- tpmData.permanent.data.cmd_durations[1] = 10;
- tpmData.permanent.data.cmd_durations[2] = 1000;
+ tpmData.permanent.data.tis_timeouts[0] = 750000;
+ tpmData.permanent.data.tis_timeouts[1] = 2000000;
+ tpmData.permanent.data.tis_timeouts[2] = 750000;
+ tpmData.permanent.data.tis_timeouts[3] = 750000;
+ tpmData.permanent.data.cmd_durations[0] = 1000;
+ tpmData.permanent.data.cmd_durations[1] = 10000;
+ tpmData.permanent.data.cmd_durations[2] = 1000000;
}
void tpm_init_data(void)
--
2.30.2
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