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SubjectRe: [RFC Part2 PATCH v3 02/26] crypto: ccp: Add Platform Security Processor (PSP) device support
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Hi Boris,


On 09/06/2017 12:00 PM, Borislav Petkov wrote:

...

> --------------------------
> |diff --git a/drivers/crypto/ccp/sp-dev.c b/drivers/crypto/ccp/sp-dev.c
> |index a017233..d263ba4 100644
> |--- a/drivers/crypto/ccp/sp-dev.c
> |+++ b/drivers/crypto/ccp/sp-dev.c
> --------------------------
>
> What tree is that against? In any case, it doesn't apply here.
>
>> This RFC is based on tip/master commit : 22db3de (Merge branch 'x86/mm').
>

This bit of my struggle -- tip/master is not in sync with cryptodev-2.6 [1].
In order to expand the CCP driver we need the following commits from the
cryptodev-2.6

57de3aefb73f crypto: ccp - remove ccp_present() check from device initialize
d0ebbc0c407a crypto: ccp - rename ccp driver initialize files as sp device
f4d18d656f88 crypto: ccp - Abstract interrupt registeration
720419f01832 crypto: ccp - Introduce the AMD Secure Processor device
970e8303cb8d crypto: ccp - Use devres interface to allocate PCI/iomap and cleanup

I cherry-picked these patches into tip/master before starting the SEV work.

Since these patches were already reviewed and accepted hence I did not include it
in my RFC series. I am not sure what is best way to handle it. Should I include
these patches in the series ? or just mention them in cover letter ? I am looking
for suggestions on how to best communicate it. thanks

[1] https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/

My staging tree on github contain these precursor patches.


> $ git show 22db3de
> fatal: ambiguous argument '22db3de': unknown revision or path not in the working tree.
>
> Do you have updated version of the series which you can send out?
>
>> @@ -67,6 +74,10 @@ struct sp_device {
>> /* DMA caching attribute support */
>> unsigned int axcache;
>>
>> + /* get and set master device */
>> + struct sp_device*(*get_psp_master_device)(void);
>> + void(*set_psp_master_device)(struct sp_device *);
>
> WARNING: missing space after return type
> #502: FILE: drivers/crypto/ccp/sp-dev.h:79:
> + void(*set_psp_master_device)(struct sp_device *);
>
> Don't forget to run all patches through checkpatch. Some of the warnings
> make sense.
>
> Thx.
>

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