The branch main has been updated by kbowling:
URL:
https://cgit.FreeBSD.org/src/commit/?id=d7c87526b1c3d32d3ac3fee8c59d92405b7621b9
commit d7c87526b1c3d32d3ac3fee8c59d92405b7621b9
Author: Jean-François Hren <jean-francois.h...@stormshield.eu>
AuthorDate: 2024-08-31 17:53:02 +0000
Commit: Kevin Bowling <kbowl...@freebsd.org>
CommitDate: 2024-08-31 17:53:02 +0000
tpm: Register TPM as entropy source
TPM is defined as an entropy and is called every 10 seconds. However it
was not registered and calls were discarded.
Signed-off-by: Jean-François Hren <jean-francois.h...@stormshield.eu>
MFC after: 1 week
Pull Request: https://github.com/freebsd/freebsd-src/pull/1398
---
sys/dev/tpm/tpm20.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sys/dev/tpm/tpm20.c b/sys/dev/tpm/tpm20.c
index 80f7d9e105a6..876dd0bcc40d 100644
--- a/sys/dev/tpm/tpm20.c
+++ b/sys/dev/tpm/tpm20.c
@@ -206,6 +206,7 @@ tpm20_init(struct tpm_sc *sc)
tpm20_release(sc);
#ifdef TPM_HARVEST
+ random_harvest_register_source(RANDOM_PURE_TPM);
TIMEOUT_TASK_INIT(taskqueue_thread, &sc->harvest_task, 0,
tpm20_harvest, sc);
taskqueue_enqueue_timeout(taskqueue_thread, &sc->harvest_task, 0);
@@ -222,6 +223,7 @@ tpm20_release(struct tpm_sc *sc)
#ifdef TPM_HARVEST
if (device_is_attached(sc->dev))
taskqueue_drain_timeout(taskqueue_thread, &sc->harvest_task);
+ random_harvest_deregister_source(RANDOM_PURE_TPM);
#endif
if (sc->buf != NULL)
