From: Bart Van Assche <bvanassche@acm.org>
To: "Bao D. Nguyen" <quic_nguyenb@quicinc.com>,
Arthur Simchaev <Arthur.Simchaev@sandisk.com>,
"quic_cang@quicinc.com" <quic_cang@quicinc.com>,
"quic_nitirawa@quicinc.com" <quic_nitirawa@quicinc.com>,
"avri.altman@wdc.com" <avri.altman@wdc.com>,
"peter.wang@mediatek.com" <peter.wang@mediatek.com>,
"manivannan.sadhasivam@linaro.org"
<manivannan.sadhasivam@linaro.org>,
"minwoo.im@samsung.com" <minwoo.im@samsung.com>,
"adrian.hunter@intel.com" <adrian.hunter@intel.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Bean Huo <beanhuo@micron.com>,
Keoseong Park <keosung.park@samsung.com>,
Ziqi Chen <quic_ziqichen@quicinc.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Gwendal Grignou <gwendal@chromium.org>,
Eric Biggers <ebiggers@google.com>,
open list <linux-kernel@vger.kernel.org>,
"moderated list:ARM/Mediatek SoC support:Keyword:mediatek"
<linux-arm-kernel@lists.infradead.org>,
"moderated list:ARM/Mediatek SoC support:Keyword:mediatek"
<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v4 1/1] scsi: ufs: core: add device level exception support
Date: Fri, 28 Mar 2025 07:02:20 -0700 [thread overview]
Message-ID: <989e695e-e6a4-4427-9041-e39ecf5b5674@acm.org> (raw)
In-Reply-To: <4cb20c80-9bb0-e147-e3c0-467f4c8828ba@quicinc.com>
On 3/27/25 5:45 PM, Bao D. Nguyen wrote:
> Thanks Bart. How about we change the current utp_upiu_query_v4_0 to
>
> struct utp_upiu_query_v4_0 {
> __u8 opcode;
> __u8 idn;
> __u8 index;
> __u8 selector;
> __u8 cmd_specifics[8];
> /* private: */
> __be32 reserved;
> };
>
> Depending on the opcode/transaction, the cmd_specifics[] can be type
> casted to access the LENGTH, FLAG_VALUE, VALUE[0:63] fields of the QUERY
> UPIU. The __u8 array[8] would also prevent the compiler padding to the
> data.
Are there any user space applications that use the osf3/4/5/6/7 member
names? Has it been considered to preserve these by introducing a union?
Thanks,
Bart.
next prev parent reply other threads:[~2025-03-28 14:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 3:18 [PATCH v4 1/1] scsi: ufs: core: add device level exception support Bao D. Nguyen
2025-03-21 16:31 ` Bart Van Assche
2025-03-25 16:33 ` Arthur Simchaev
2025-03-25 22:15 ` Bao D. Nguyen
2025-03-26 7:30 ` Arthur Simchaev
2025-03-26 23:28 ` Bao D. Nguyen
2025-03-26 10:49 ` Bart Van Assche
2025-03-26 23:47 ` Bao D. Nguyen
2025-03-27 11:36 ` Bart Van Assche
2025-03-27 21:45 ` Bao D. Nguyen
2025-03-28 14:02 ` Bart Van Assche [this message]
2025-04-02 7:49 ` manivannan.sadhasivam
2025-04-02 19:00 ` Bao D. Nguyen
2025-04-06 18:23 ` manivannan.sadhasivam
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