Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <5f172788-f16b-7bb1-6338-24453995f221@acm.org>
Date:   Wed, 5 Jul 2023 14:13:03 -0700
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.11.0
Subject: Re: [RESEND v2] ufs: core: Add support for qTimestamp attribute
Content-Language: en-US
To:     Arthur Simchaev <arthur.simchaev@wdc.com>,
        martin.petersen@oracle.com
Cc:     avri.altman@wdc.com, Avi.Shchislowski@wdc.com, beanhuo@micron.com,
        linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230626103320.8737-1-arthur.simchaev@wdc.com>
From:   Bart Van Assche <bvanassche@acm.org>
In-Reply-To: <20230626103320.8737-1-arthur.simchaev@wdc.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 6/26/23 03:33, Arthur Simchaev wrote:
> The new qTimestamp attribute was added to UFS 4.0 spec, in order to
> synchronize timestamp between device logs and the host.The spec recommend
> to send this attribute upon device power-on Reset/HW reset or when
> switching to Active state (using SSU command). Due to this attribute,
> the attribute's max value was extended to 8 bytes. As a result,
> the new definition of struct utp_upiu_query_v4_0 was added.


Reviewed-by: Bart Van Assche <bvanassche@acm.org>