Re: [EXT] [PATCH v6 3/4] crypto: caam - add in-kernel interface for blob generator

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Hello Pankaj,

On 24.03.22 10:55, Pankaj Gupta wrote:
> Hi Ahmad,
> 
> Please find the comments in-line.

Thanks for you review.

> Suggest to continue to use two separate descriptor-creation-function for 'encap' and 'decap'.
> This will help these API(s) to be maintained easily going forward. 

We can still split them up in future once there is a real need.
But currently they are exactly the same, except for input/output length,
so I think it's correct to not introduce duplication unless needed.

>>   - use append_seq_(in|out)_ptr_intlen for both encap/decap as a result

Case in point. The intlen omission was because the two functions are largely
identical and I only fixed up one of them. This is prone to repeat when
we go back to have identical code with minor differences.

> In continuation to the previous comment, there is another suggestion:
> 
> Either: 
> struct keyblob_info {
>         void *key;
>         size_t key_len;
> 
>         void *blob;
>         size_t blob_len;
> 
>         size_t key_mod_len;
>         const void *key_mod;
> };

I can do that.

Whats your opinion on the desc size computation? Comment the macro or add
the static inline helper?

Cheers,
Ahmad

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