[PATCH v3 2/3] tpm: vtpm_proxy: Implement request_locality function.
From: Stefan Berger <hidden>
Date: 2017-05-04 14:56:47
Also in:
lkml
Subsystem:
the rest, tpm device driver · Maintainers:
Linus Torvalds, Peter Huewe, Jarkko Sakkinen
Implement the request_locality function. Accept all localities assuming that the recipient (TPM emulator) handling TPM commands with prepended locality modifier will check for a valid locality and return a TPM error in case the locality is invalid. Signed-off-by: Stefan Berger <redacted> --- drivers/char/tpm/tpm_vtpm_proxy.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c
index fb4d207..48b9818 100644
--- a/drivers/char/tpm/tpm_vtpm_proxy.c
+++ b/drivers/char/tpm/tpm_vtpm_proxy.c@@ -371,6 +371,11 @@ static bool vtpm_proxy_tpm_req_canceled(struct tpm_chip *chip, u8 status) return ret; } +static int vtpm_proxy_request_locality(struct tpm_chip *chip, int locality) +{ + return locality; +} + static const struct tpm_class_ops vtpm_proxy_tpm_ops = { .flags = TPM_OPS_AUTO_STARTUP, .recv = vtpm_proxy_tpm_op_recv,
@@ -380,6 +385,7 @@ static const struct tpm_class_ops vtpm_proxy_tpm_ops = { .req_complete_mask = VTPM_PROXY_REQ_COMPLETE_FLAG, .req_complete_val = VTPM_PROXY_REQ_COMPLETE_FLAG, .req_canceled = vtpm_proxy_tpm_req_canceled, + .request_locality = vtpm_proxy_request_locality, }; /*
--
2.4.3
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