Displaying 2 results from an estimated 2 matches for "vtpm_device".
Did you mean:
vgem_device
2019 Feb 22
0
[PATCH] tpm: Add driver for TPM over virtio
...nd of the
> + * TPM operation. This timeout is relatively high because certain TPM operations
> + * can take dozens of seconds.
> + */
> +#define TPM_VIRTIO_TIMEOUT (120 * HZ)
Should we read this from device? E.g. a busy hypervisor might
take longer to respond ...
> +
> +struct vtpm_device {
> + /*
> + * Data structure for integration with the common code of the TPM driver
> + * in tpm-chip.c.
> + */
> + struct tpm_chip *chip;
> +
> + /*
> + * Virtio queue for sending TPM commands out of the virtual machine and
> + * receiving TPM responses back from t...
2019 Feb 22
0
[PATCH] tpm: Add driver for TPM over virtio
...at that point; I don't know how much
> further it would be reasonable to grow a timeout.
I think the whole idea around timeout handling needs a bit more
thought. What kind of reasons for the timeout do you envision
that require the extra kicks?
>
> >> +
> >> +struct vtpm_device {
> >> + /*
> >> + * Data structure for integration with the common code of the TPM driver
> >> + * in tpm-chip.c.
> >> + */
> >> + struct tpm_chip *chip;
> >> +
> >> + /*
> >> + * Virtio queue for sending TPM commands out...