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|---|---|
| From | James Bottomley <James.Bottomley@HansenPartnership.com> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 4/7] tpm: infrastructure for TPM spaces |
| Date | Fri, 24 Feb 2017 14:00:04 +0100 |
| Message-ID | <tenDC-eO-63@gated-at.bofh.it> (permalink) |
| References | <tbzUB-2oT-3@gated-at.bofh.it> <tbzUC-2oT-29@gated-at.bofh.it> |
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| X-Original-Cc | linux-security-module@vger.kernel.org, dhowells@redhat.com, Peter Huewe <peterhuewe@gmx.de>, Marcel Selhorst <tpmdd@selhorst.net>, Jason Gunthorpe <jgunthorpe@obsidianresearch.com>, open list <linux-kernel@vger.kernel.org> |
| X-Original-Date | Fri, 24 Feb 2017 07:53:22 -0500 |
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| X-Original-References | <20170216192529.25467-1-jarkko.sakkinen@linux.intel.com> <20170216192529.25467-5-jarkko.sakkinen@linux.intel.com> |
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On Thu, 2017-02-16 at 21:25 +0200, Jarkko Sakkinen wrote: > Added an ability to virtualize TPM commands into an isolated context > that we call a TPM space because the word context is already heavily > used in the TPM specification. Both the handle areas and bodies > (where > necessary) are virtualized. > > The mechanism works by adding a new parameter struct tpm_space to the > tpm_transmit() function. This new structure contains the list of > virtual > handles and a buffer of page size (currently) for backing storage. > > When tpm_transmit() is called with a struct tpm_space instance it > will > execute the following sequence: > > 1. Take locks. > 2. Load transient objects from the backing storage by using > ContextLoad > and map virtual handles to physical handles. > 3. Perform the transaction. > 4. Save transient objects to backing storage by using ContextSave and > map resulting physical handle to virtual handle if there is such. > > This commit does not implement virtualization support for hmac and > policy sessions. > > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> For patches 1-4 you can add Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com> Just re-running a build with the latest kernel for my laptop to add tested by. James
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[PATCH v2 0/7] in-kernel resource manager Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-16 20:30 +0100
[PATCH v2 1/7] tpm: move length validation to tpm_transmit() Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-16 20:30 +0100
[PATCH v2 7/7] tpm2: add session handle context saving and restoring to the space code Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-16 20:30 +0100
Re: [PATCH v2 7/7] tpm2: add session handle context saving and restoring to the space code Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-23 10:10 +0100
[PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-16 20:30 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-23 10:10 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-24 14:10 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-24 18:40 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-24 19:20 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-24 21:30 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-24 22:00 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-25 00:10 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-25 00:30 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-25 00:50 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-25 01:30 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-25 18:10 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-27 18:40 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-26 12:50 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> "Dr. Greg Wettstein" <greg@enjellic.com> - 2017-02-26 19:40 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Ken Goldman <kgold@linux.vnet.ibm.com> - 2017-02-28 20:00 +0100
Re: [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-02-27 18:40 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Nayna <nayna@linux.vnet.ibm.com> - 2017-02-24 08:10 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-24 14:00 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> Nayna <nayna@linux.vnet.ibm.com> - 2017-02-27 12:50 +0100
Re: [tpmdd-devel] [PATCH v2 6/7] tpm: expose spaces via a device link /dev/tpms<n> James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-27 16:10 +0100
[PATCH v2 4/7] tpm: infrastructure for TPM spaces Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-16 20:30 +0100
Re: [tpmdd-devel] [PATCH v2 4/7] tpm: infrastructure for TPM spaces Nayna <nayna@linux.vnet.ibm.com> - 2017-02-21 19:30 +0100
Re: [tpmdd-devel] [PATCH v2 4/7] tpm: infrastructure for TPM spaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-22 18:40 +0100
Re: [tpmdd-devel] [PATCH v2 4/7] tpm: infrastructure for TPM spaces Ken Goldman <kgold@linux.vnet.ibm.com> - 2017-02-22 22:00 +0100
Re: [tpmdd-devel] [PATCH v2 4/7] tpm: infrastructure for TPM spaces Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-22 22:20 +0100
Re: [tpmdd-devel] [PATCH v2 4/7] tpm: infrastructure for TPM spaces Ken Goldman <kgold@linux.vnet.ibm.com> - 2017-02-22 22:30 +0100
Re: [PATCH v2 4/7] tpm: infrastructure for TPM spaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-24 14:00 +0100
Re: [PATCH v2 4/7] tpm: infrastructure for TPM spaces Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-24 18:10 +0100
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