linux-kernel - RE: [PATCH Part2 v6 05/49] x86/sev: Add RMP entry lookup helpers

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Message-ID: <SN6PR12MB276799EB1B95BD34895CD5608E9A9@SN6PR12MB2767.namprd12.prod.outlook.com>
Date:   Mon, 1 Aug 2022 22:04:44 +0000
From:   "Kalra, Ashish" <Ashish.Kalra@....com>
To:     Borislav Petkov <bp@...en8.de>
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Subject: RE: [PATCH Part2 v6 05/49] x86/sev: Add RMP entry lookup helpers

[AMD Official Use Only - General]

Hello Boris,

>> + * The RMP entry format is not architectural. The format is defined in PPR
>> + * Family 19h Model 01h, Rev B1 processor.
>> + */
>> +struct __packed rmpentry {

>That __packed goes...

>> +	union {
>> +		struct {
>> +			u64	assigned	: 1,
>> +				pagesize	: 1,
>> +				immutable	: 1,
>> +				rsvd1		: 9,
>> +				gpa		: 39,
>> +				asid		: 10,
>> +				vmsa		: 1,
>> +				validated	: 1,
>> +				rsvd2		: 1;
>> +		} info;
>> +		u64 low;
>> +	};
>> +	u64 high;
>> +};

>... here, at the end.

Yes, will fix that.

Thanks,
Ashish