Re: [PATCH] add tpm_xenu.ko: Xen Virtual TPM frontend driver

[Kent Yoder]

> >>+static struct attribute *vtpm_attrs[] = {
> >>+     &dev_attr_pubek.attr,
> >>+     &dev_attr_pcrs.attr,
> >>+     &dev_attr_enabled.attr,
> >>+     &dev_attr_active.attr,
> >>+     &dev_attr_owned.attr,
> >>+     &dev_attr_temp_deactivated.attr,
> >>+     &dev_attr_caps.attr,
> >>+     &dev_attr_cancel.attr,
> >>+     NULL,
> >So are these going to show up in SysFS? If so, there should also be
> >a corresponding file in Documentation/.../sysfs/something.
> These are similar to the entries made by the other tpm drivers. I
> don't see any documentation about those either. TPM maintainers, any
> guidance there?

  Yep, those show up in sysfs. I'll put docs on my todo list.

Kent

> >
> >>+#include "tpm.h"
> >>+#include "tpm_vtpm.h"
> >>+
> >>+#undef DEBUG
> >>+
> >>+#define GRANT_INVALID_REF 0
> >Interesting. The 0 grant value is actually a valid one. I think you
> >want (-1ULL).
> Is it?
> drivers/block/xen-blkfront.c and
> drivers/net/xen-netfront.c
> 
> do the exact same thing
> >>+
> >>+     init_tpm_xenbus();
> >>+     return 0;
> >>+}
> >>+
> >>+
> >>+module_init(tpmif_init);
> >no module_exit?
> Will fix
> 
> 


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