Date: Wed, 4 Aug 2010 20:27:43 +0200 From: Hans-Joerg Hoexer <tss-project@genua.de> To: Takanori Watanabe <takawata@init-main.com> Cc: tss-project@genua.de, freebsd-current@freebsd.org Subject: Re: Driver tpm(4) and third party packages for trusted platform modules Message-ID: <20100804182743.GA16796@modermoor.genua.de> In-Reply-To: <201008041039.o74AdfYO047937@sana.init-main.com> References: <201008040347.o743leeR046013@sana.init-main.com> <201008041039.o74AdfYO047937@sana.init-main.com>
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Hi, On Wed, Aug 04, 2010 at 07:39:41PM +0900, Takanori Watanabe wrote: > In message <201008040347.o743leeR046013@sana.init-main.com>, wrote: > >Quick review and hack: > > > >1.How about attaching it as acpi child driver? > > > >In some case, TPM may appear in ACPI namespace (with _HID) and > >TPM spec defines ACPI method to handle TPM specific request. > > > >2. Is identify method needed? > > > >Writing device hint will attach isa child driver, I think. > > > >3.Module build > > > >I don't know it is proper in TPM nature. With respect to using a TPM as a PKCS#11 token for eg. ssh using a module for the driver seems ok to me. > Update my patch. Split bus attachment from main driver file > (need to update sys/conf/files), add detach method for convinience, > and attach softc to cdev.si_drv1 . many thanks for your feedback! I will try to integrate your diff tomorrow. Regards, HJ.
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