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Tue, 29 Oct 2024 16:32:30 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241029163230epsmtrp2df03d4cb640586cc2c056461a4be9506~C_YOjdbyZ1621316213epsmtrp2J; Tue, 29 Oct 2024 16:32:30 +0000 (GMT) X-AuditID: b6c32a50-cb1f8700000049f7-d9-67211a32078b Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 98.07.08227.E1E01276; Wed, 30 Oct 2024 01:32:30 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241029163228epsmtip2eb473021666d8b3baa91fd6557a9a56d~C_YMIvhm01387713877epsmtip2F; Tue, 29 Oct 2024 16:32:27 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, anuj1072538@gmail.com, brauner@kernel.org, jack@suse.cz, viro@zeniv.linux.org.uk Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, linux-scsi@vger.kernel.org, vishak.g@samsung.com, linux-fsdevel@vger.kernel.org, Kanchan Joshi , Anuj Gupta Subject: [PATCH v5 08/10] nvme: add support for passing on the application tag Date: Tue, 29 Oct 2024 21:54:00 +0530 Message-Id: <20241029162402.21400-9-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241029162402.21400-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA02Tf0xTVxTHc98r/cEoebaYXZsp9S1mKQtIWeleiTg30Lwome26ZRtxgRf6 UgjltesPcW5jBFYMvwTxJ235FRcNJWMOKgEtBAuIVYGpmUwUNgidCyAGcGBG0LW0bP73Oed8 z/3mnHsvFxVMsEXcHMZMGxlKh7PDWR19Eklsgmi7Nr59IJpY+HuVRRRVr6GEw9kBiJbxKjYx 27cIiAe9XQjR3DKAEPPWYRZhP1uMEAMvn7CJGs99QHSPvU24u70souGCj0OUj3ayiYuDLxBi ZG0wjBixOTh7BGSXbZxD3huykG3OUjbZ/sN35NUHhWxywTfGIo+7nIC83djPIZfatpFt008Q ZXh67q5smtLQRjHNZOk1OYw2GT+gzkjJSJTHS2OlCuJdXMxQeXQynpqmjN2Xo/PPhIsPUzqL P6WkTCZ85+5dRr3FTIuz9SZzMk4bNDqDzBBnovJMFkYbx9DmJGl8fEKiX5iZmz3kOmQoee3I lZe1SCFw8MoAjwsxGbzrrQsrA+FcAeYGsHnVhgSDRQAX+0ZClWUAG+YqOBstv99xcIKFbgA7 rj1cLwiwJQB9544GmI29BfsfW0FAFBU4t7LpFisQoFg1AhvPutCASogp4a26q+vMwnZA6/kp JMB8TAEbLrnZQbtoWHt3Zd2BhyXB6wPukGYT9NZOswKM+jXFl+1owABiv3Hh5ZrWsGBzKlwr fYoEWQhnBl2hGURwab47ZKCFz+/5QhoDLL7eA4L8HrTerPIfyvUbSOBPV3YG01vh6ZutSNA3 ElauToda+bCzfoNxeKzZEWIIu4cLQ0zCiubi0LYqAWw/nl8NxLZXxrG9Mo7tf+dGgDqBiDaY 8rR0VqJBGsvQ+f9dc5Y+rw2sP/QYZSdoubQW5wEIF3gA5KJ4FL/li61aAV9DfXWUNuozjBYd bfKARP/CT6CizVl6/09hzBlSmSJeJpfLZYp35FL8df6stU4jwLSUmc6laQNt3OhDuDxRISKJ aN89fUDoyPCm966E931zsD5T+KjAlfJo39CR7xF0PPWzugt7+U2lvM03Wj9Ja2e+jJqMnIiA eY7JGt3yX7+uAee290vc25sahQ738hvSlDMTYz71M+ZhxB/ScktB1Y4VcWr6YmSYff9HUz3X YoYK4n4kZ/jynHOqZ5HRp+oT3DPli/P7D59uO0l6P5eUvWnuUVeePH/w4ofyUrWq65/qKdXQ /T0lP3vsRP4W3+O+0XyHqoGTdmPOHfFB7LeqX84cUiSlQI310wWsSlK0pWivXrZJr6BWhkef svvnkiKwQa/6hKoiRztJTfb+WXjb+/F0zQvM7jn29XJmx/P52TtpOMuUTUljUKOJ+hc4TfmX cQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsWy7bCSvK4cn2K6wbdmeYuPX3+zWDRN+Mts MWfVNkaL1Xf72SxeH/7EaHHzwE4mi5WrjzJZvGs9x2Ixe3ozk8XR/2/ZLCYdusZosfeWtsWe vSdZLOYve8pu0X19B5vF8uP/mCzO/z3OanF+1hx2ByGPnbPusntcPlvqsWlVJ5vH5iX1Hrtv NrB5fHx6i8Wjb8sqRo8zC46we3zeJOex6clbpgCuKC6blNSczLLUIn27BK6Ms1tiCtq4K3b9 n8nUwDiHs4uRk0NCwETi/sU57F2MXBxCArsZJRa0HGWGSEhInHq5jBHCFpZY+e85VNFHRomH z9eCJdgE1CWOPG8Fs0UETjBKzJ/oBlLELDCDSeL3nwUsIAlhAT+JLRv/MIHYLAKqEq2LH4HZ vAKWEvM37GGD2CAvMfPSd3YQm1PASuLY0T1ANRxA2ywlTk5ygygXlDg58wnYSGag8uats5kn MArMQpKahSS1gJFpFaNkakFxbnpusWGBUV5quV5xYm5xaV66XnJ+7iZGcLxpae1g3LPqg94h RiYOxkOMEhzMSiK8q2Nl04V4UxIrq1KL8uOLSnNSiw8xSnOwKInzfnvdmyIkkJ5YkpqdmlqQ WgSTZeLglGpgUig4fNFd5t37iD1OevnfyhbO2ZbcLS4xIfDDbpNIO1bunCID29DjQfcYOcQW TeDRWOe/36LORO9wfZvXdh23x+vUni4UX1e+rcBEYPdd1dMx2i9msq5NEFLj+W9at7umYPqd 9jjl3pLZzOrx/6RkBbg2C8766pij+n2eqKtTdekBPvMNE86ejjQRF2ErK/5qvzitbHa6/MM7 n6yymz+WRBguCzmTULF7T2Fal6xo/tz129bn/a258Nv3kYew7kxTxVU3Nnl5/2zcsmG5x4Yt fW3SAtKzYvSeVq2wNDjB6+PIVPj/0YEA40UNxbKXDA6mFV+8bO2Z+eiQ4ibOwKvdKu9DmYzU F3Gz9H1zyVdiKc5INNRiLipOBAB+d6zPJgMAAA== X-CMS-MailID: 20241029163230epcas5p18172a7e54687e454e4ecb65840810c4e X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241029163230epcas5p18172a7e54687e454e4ecb65840810c4e References: <20241029162402.21400-1-anuj20.g@samsung.com> From: Kanchan Joshi With user integrity buffer, there is a way to specify the app_tag. Set the corresponding protocol specific flags and send the app_tag down. Reviewed-by: Christoph Hellwig Signed-off-by: Anuj Gupta Signed-off-by: Kanchan Joshi Reviewed-by: Keith Busch --- drivers/nvme/host/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 79bd6b22e88d..3b329e036d33 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -872,6 +872,12 @@ static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req, return BLK_STS_OK; } +static void nvme_set_app_tag(struct request *req, struct nvme_command *cmnd) +{ + cmnd->rw.lbat = cpu_to_le16(bio_integrity(req->bio)->app_tag); + cmnd->rw.lbatm = cpu_to_le16(0xffff); +} + static void nvme_set_ref_tag(struct nvme_ns *ns, struct nvme_command *cmnd, struct request *req) { @@ -1012,6 +1018,10 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns, control |= NVME_RW_APPEND_PIREMAP; nvme_set_ref_tag(ns, cmnd, req); } + if (bio_integrity_flagged(req->bio, BIP_CHECK_APPTAG)) { + control |= NVME_RW_PRINFO_PRCHK_APP; + nvme_set_app_tag(req, cmnd); + } } cmnd->rw.control = cpu_to_le16(control);