linux-kernel - Re: [Part2 PATCH v5.2 12.1/31] crypto: ccp: Define SEV userspace ioctl and command id

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Date:   Thu, 12 Oct 2017 09:18:31 -0500
From:   Brijesh Singh <brijesh.singh@....com>
To:     Borislav Petkov <bp@...e.de>
Cc:     brijesh.singh@....com, Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Gary Hook <gary.hook@....com>,
        Tom Lendacky <thomas.lendacky@....com>,
        linux-crypto@...r.kernel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Part2 PATCH v5.2 12.1/31] crypto: ccp: Define SEV userspace
 ioctl and command id



On 10/12/2017 08:27 AM, Borislav Petkov wrote:
...

> 
>> +/**
>> + * struct sev_user_data_status - PLATFORM_STATUS command parameters
>> + *
>> + * @major: major API version
>> + * @minor: minor API version
>> + * @state: platform state
>> + * @owner: self-owned or externally owned
>> + * @config: platform config flags
>> + * @build: firmware build id for API version
>> + * @guest_count: number of active guests
>> + */
>> +struct sev_user_data_status {
>> +	__u8 api_major;				/* Out */
>> +	__u8 api_minor;				/* Out */
>> +	__u8 state;				/* Out */
>> +	__u8 owner;				/* Out */
>> +	__u32 config;				/* Out */
>> +	__u8 build;				/* Out */
>> +	__u32 guest_count;			/* Out */
>> +} __packed;
>> +
> 
> After yesterday's discussion about the sev_data_status layout, that
> struct is not needed anymore, right?
> 

Yes, we no longer need that structure.

-Brijesh