> On Thu, Sep 15, 2016 at 08:23:03AM +, Winkler, Tomas wrote:
> > > > > Subject: Re: [PATCH v3 1/4] tpm/tpm_crb: implement tpm crb idle
> > > > > state
> > > > >
> > > > > On Mon, Sep 12, 2016 at 04:04:18PM +0300, Tomas Winkler wrote:
> > > > > > The register TPM_CRB_CTRL_REQ_x contains bits
The register TPM_CRB_CTRL_REQ_x contains bits goIdle and cmdReady for
SW to indicate that the device can enter or should exit the idle state.
The legacy ACPI-start (SMI + DMA) based devices do not support these
bits and the idle state management is not exposed to the host SW.
Thus, this
On Mon, Sep 12, 2016 at 04:04:18PM +0300, Tomas Winkler wrote:
> The register TPM_CRB_CTRL_REQ_x contains bits goIdle and cmdReady for
> SW to indicate that the device can enter or should exit the idle state.
>
> The legacy ACPI-start (SMI + DMA) based devices do not support these
> bits and the
On Thu, Sep 15, 2016 at 06:28:27AM +, Winkler, Tomas wrote:
> > Subject: Re: [PATCH v3 1/4] tpm/tpm_crb: implement tpm crb idle state
> >
> > On Mon, Sep 12, 2016 at 04:04:18PM +0300, Tomas Winkler wrote:
> > > The register TPM_CRB_CTRL_REQ_x contains bits goIdle and cmdReady for
> > > SW to
On Mon, Sep 12, 2016 at 04:04:19PM +0300, Tomas Winkler wrote:
> There is a HW bug in Skylake, and Broxton PCH Intel PTT device, where
> most of the registers in the control area except START, REQUEST, CANCEL,
> and LOC_CTRL lost retention when the device is in the idle state. Hence
> we need to
> Subject: Re: [PATCH v3 1/4] tpm/tpm_crb: implement tpm crb idle state
>
> On Mon, Sep 12, 2016 at 04:04:18PM +0300, Tomas Winkler wrote:
> > The register TPM_CRB_CTRL_REQ_x contains bits goIdle and cmdReady for
> > SW to indicate that the device can enter or should exit the idle state.
> >
> >
On Thu, Sep 15, 2016 at 08:23:03AM +, Winkler, Tomas wrote:
> > > > Subject: Re: [PATCH v3 1/4] tpm/tpm_crb: implement tpm crb idle
> > > > state
> > > >
> > > > On Mon, Sep 12, 2016 at 04:04:18PM +0300, Tomas Winkler wrote:
> > > > > The register TPM_CRB_CTRL_REQ_x contains bits goIdle and
On Thu, Sep 15, 2016 at 10:27:38AM +0300, Tomas Winkler wrote:
> The register TPM_CRB_CTRL_REQ_x contains bits goIdle and cmdReady for
> SW to indicate that the device can enter or should exit the idle state.
>
> The legacy ACPI-start (SMI + DMA) based devices do not support these
> bits and the