Tee-dev October 2019

tee-dev@lists.linaro.org

16 participants
14 discussions

[PATCH v2] tpm/tpm_ftpm_tee: add shutdown call back

by Pavel Tatashin

add shutdown call back to close existing session with fTPM TA to support kexec scenario. Signed-off-by: Thirupathaiah Annapureddy <thiruan(a)microsoft.com> Signed-off-by: Pavel Tatashin <pasha.tatashin(a)soleen.com> --- drivers/char/tpm/tpm_ftpm_tee.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c index 6640a14dbe48..ad16ea555e97 100644 --- a/drivers/char/tpm/tpm_ftpm_tee.c +++ b/drivers/char/tpm/tpm_ftpm_tee.c @@ -328,6 +328,19 @@ static int ftpm_tee_remove(struct platform_device *pdev) return 0; } +/** + * ftpm_tee_shutdown - shutdown the TPM device + * @pdev: the platform_device description. + */ +static void ftpm_tee_shutdown(struct platform_device *pdev) +{ + struct ftpm_tee_private *pvt_data = dev_get_drvdata(&pdev->dev); + + tee_shm_free(pvt_data->shm); + tee_client_close_session(pvt_data->ctx, pvt_data->session); + tee_client_close_context(pvt_data->ctx); +} + static const struct of_device_id of_ftpm_tee_ids[] = { { .compatible = "microsoft,ftpm" }, { } @@ -341,6 +354,7 @@ static struct platform_driver ftpm_tee_driver = { }, .probe = ftpm_tee_probe, .remove = ftpm_tee_remove, + .shutdown = ftpm_tee_shutdown, }; module_platform_driver(ftpm_tee_driver); -- 2.23.0

4 years, 6 months

Latest TF-A (v2.2-rc0) does not work on my HiKey960

by Jérôme Forissier

Hi, FYI: https://github.com/ARM-software/arm-trusted-firmware/pull/1813#issuecomment… . -- Jerome

4 years, 6 months

[PATCH] ftpm: add shutdown call back

by Pavel Tatashin

From: thiruan <thiruan(a)microsoft.com> add shutdown call back to close existing session with fTPM TA to support kexec scenario. Signed-off-by: Thirupathaiah Annapureddy <thiruan(a)microsoft.com> Signed-off-by: Pavel Tatashin <pasha.tatashin(a)soleen.com> --- drivers/char/tpm/tpm_ftpm_tee.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c index 6640a14dbe48..c245be6f4015 100644 --- a/drivers/char/tpm/tpm_ftpm_tee.c +++ b/drivers/char/tpm/tpm_ftpm_tee.c @@ -328,6 +328,27 @@ static int ftpm_tee_remove(struct platform_device *pdev) return 0; } +/** + * ftpm_tee_shutdown - shutdown the TPM device + * @pdev: the platform_device description. + * + * Return: + * none. + */ +static void ftpm_tee_shutdown(struct platform_device *pdev) +{ + struct ftpm_tee_private *pvt_data = dev_get_drvdata(&pdev->dev); + + /* Free the shared memory pool */ + tee_shm_free(pvt_data->shm); + + /* close the existing session with fTPM TA*/ + tee_client_close_session(pvt_data->ctx, pvt_data->session); + + /* close the context with TEE driver */ + tee_client_close_context(pvt_data->ctx); +} + static const struct of_device_id of_ftpm_tee_ids[] = { { .compatible = "microsoft,ftpm" }, { } @@ -341,6 +362,7 @@ static struct platform_driver ftpm_tee_driver = { }, .probe = ftpm_tee_probe, .remove = ftpm_tee_remove, + .shutdown = ftpm_tee_shutdown, }; module_platform_driver(ftpm_tee_driver); -- 2.23.0

4 years, 6 months

tee virtualization on renesas RCAR3 platform

by Xu, Wei SGP

Dears, May I know is there any tee virtualization implementation on RENESAS RCAR3 platform? ............................................... Kind Regards / 美好祝愿 Xu Wei / 徐伟 Central Technology, Innovation & Technology Center / 技术中心, 技术研究院 Advanced Development Singapore / 前期研发, 新加坡 Desay SV Automotive Singapore Pte. Ltd. 德赛西威汽车电子新加坡有限公司 Address地址: 3A International Business Park #09-13 Tower B ICON@IBP, Singapore 609935 Post Code邮编: 609935 Tel. 电话: (65) 63021703 Fax.传真: (65) 66594779 E-mail邮箱: wade.xu(a)desay-svautomotive.com Website网址: http://www.desaysv.com/

4 years, 6 months

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Tee-dev October 2019