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Mon, 4 Nov 2024 14:15:04 +0000 (GMT) Received: from epsmgmc1p1new.samsung.com (unknown [182.195.42.40]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20241104141504epsmtrp185b3edd7ba835d76c7ea980221a18c8e~EyX8cS1Vl1329813298epsmtrp14; Mon, 4 Nov 2024 14:15:04 +0000 (GMT) X-AuditID: b6c32a49-0d5ff700000024cc-16-6728eea4e0f6 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmc1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 5A.8D.07371.8E6D8276; Mon, 4 Nov 2024 23:15:04 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241104141501epsmtip273173b25c2459b8858b68de6692b678e~EyX6AFrz83074930749epsmtip2w; Mon, 4 Nov 2024 14:15:01 +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 v7 08/10] nvme: add support for passing on the application tag Date: Mon, 4 Nov 2024 19:35:59 +0530 Message-Id: <20241104140601.12239-9-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241104140601.12239-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrHJsWRmVeSWpSXmKPExsWy7bCmuu6SdxrpBpvvKll8/PqbxaJpwl9m izmrtjFarL7bz2bx+vAnRoubB3YyWaxcfZTJ4l3rORaL2dObmSyO/n/LZjHp0DVGi723tC32 7D3JYjF/2VN2i+7rO9gslh//x2Rx/u9xVovzs+awOwh57Jx1l93j8tlSj02rOtk8Ni+p99h9 s4HN4+PTWywefVtWMXqcWXCE3ePzJjmPTU/eMgVwRWXbZKQmpqQWKaTmJeenZOal2yp5B8c7 x5uaGRjqGlpamCsp5CXmptoqufgE6Lpl5gD9pKRQlphTChQKSCwuVtK3synKLy1JVcjILy6x VUotSMkpMCnQK07MLS7NS9fLSy2xMjQwMDIFKkzIzvi8o4+lYAt3xfsdP5gbGI9ydjFyckgI mEi8O7eBpYuRi0NIYDejxLFbV9khnE+MEvueXYJyvjFKzLy8gh2mZeufr1CJvYwSX6fMZARJ CAl8ZpQ4NCEVxGYTUJc48ryVEaRIRGAPo0TvwtNgS5gFJjBJLJi+hRmkSlggQGLq2n9ACQ4O FgFViS33KkDCvAKWEguXHmSB2CYvMfPSd7DNnAJWEnP+3mWBqBGUODnzCZjNDFTTvHU2M8h8 CYE7HBLzu7vZIJpdJI723II6W1ji1fEtULaUxMv+Nig7XeLH5adMEHaBRPOxfYwQtr1E66l+ ZpDbmAU0Jdbv0ocIy0pMPbWOCWIvn0Tv7ydQrbwSO+bB2EoS7SvnQNkSEnvPNUDZHhL90w9D Q66XUeLR717GCYwKs5D8MwvJP7MQVi9gZF7FKJlaUJybnlpsWmCYl1oOj+bk/NxNjOCEruW5 g/Hugw96hxiZOBgPMUpwMCuJ8M5LVU8X4k1JrKxKLcqPLyrNSS0+xGgKDO+JzFKiyfnAnJJX Em9oYmlgYmZmZmJpbGaoJM77unVuipBAemJJanZqakFqEUwfEwenVAPTyr4/1yROcayR1Gie ZHZY2uZp9RtDvj9CO9OrBNJ8OuY0LJ1ir/9O3nbWYY9bcxpq2tKkJ24+LTQnZrrp3+niMp4V xt/y/W7+vLS8cz9388aw66r2rGaZH467FlilFeTb1D3wOZZwoc3l/uKIMCmtYoPGDo0FlgHv Uxz/zlDZOu9knHjTcgP+lH3TznKJvLYUVp5RtVXS7YrGhSDH3PhZO304TdcuNn15Jvz1LM3l 51YnyGa9jX3A1mQ/fYro1B/fOXfMnr6bq8d69UfheZzRP+5efadlVBGd5sasY56yZJZv30NN zxgpIy9uyQuZfm1adZo1r+6x+OVazTpSyP2/Ttj4Sej2wvCdvCfyViixFGckGmoxFxUnAgDF mwMmcQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsWy7bCSvO6LaxrpBrevylh8/PqbxaJpwl9m izmrtjFarL7bz2bx+vAnRoubB3YyWaxcfZTJ4l3rORaL2dObmSyO/n/LZjHp0DVGi723tC32 7D3JYjF/2VN2i+7rO9gslh//x2Rx/u9xVovzs+awOwh57Jx1l93j8tlSj02rOtk8Ni+p99h9 s4HN4+PTWywefVtWMXqcWXCE3ePzJjmPTU/eMgVwRXHZpKTmZJalFunbJXBlfN7Rx1Kwhbvi /Y4fzA2MRzm7GDk5JARMJLb++crexcjFISSwm1FiytODjBAJCYlTL5dB2cISK/89hyr6yCix +do5dpAEm4C6xJHnrWBFIgInGCXmT3QDKWIWmMEk8fvPAhaQhLCAn0TPxUdADRwcLAKqElvu VYCEeQUsJRYuPcgCsUBeYual72AzOQWsJOb8vQsWFwKq2dR0iQWiXlDi5MwnYDYzUH3z1tnM ExgFZiFJzUKSWsDItIpRMrWgODc9N9mwwDAvtVyvODG3uDQvXS85P3cTIzjitDR2MN6b/0/v ECMTB+MhRgkOZiUR3nmp6ulCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeQ1nzE4REkhPLEnNTk0t SC2CyTJxcEo1MM06EG7VJaU36/eqd3cK323YI7IwYZWyiqfvZCGH5+sfvJn4YvOmy5GurYIL jae7PVl8Y8bmpZdWcm8RfcwcJ6c7K/bX+k2vPn/YffVQRKtCguuXJcK3lt2OyDg40cfg52Sb 1f0R0x3OdDJK8Pt7mVampt9b2Lf7x6TGRtXkpevW7umwS3u2e/HqiqMX2ZwXicad++q99u4a uZbNR6eFbNfpTpLQ2bfpT9ae1jjpNsFHgcqlypPnP9h5VPvUXavi9c4SzG9+SM1yvzWncI2W sF1t0JkZl+65bT/+8PCfMNdw3zV6f794TI/r3Xkp0bx5+5G3vrpG/FLpte5MX7sMn1RGMbyv 6TTVvvzWacEpEcsEJZbijERDLeai4kQAWokeuScDAAA= X-CMS-MailID: 20241104141504epcas5p47e46a75f9248a37c9a4180de8e72b54c X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241104141504epcas5p47e46a75f9248a37c9a4180de8e72b54c References: <20241104140601.12239-1-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);