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Thu, 31 Oct 2024 03:10:18 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241030181016epsmtip2c10f0e1bb68f28d52711b13fe48bccae~DTW32YEvM0487504875epsmtip2_; Wed, 30 Oct 2024 18:10:16 +0000 (GMT) From: Kanchan Joshi To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, brauner@kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz Cc: linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, gost.dev@samsung.com, vishak.g@samsung.com, anuj1072538@gmail.com, Kanchan Joshi , Anuj Gupta Subject: [PATCH v6 08/10] nvme: add support for passing on the application tag Date: Wed, 30 Oct 2024 23:31:10 +0530 Message-Id: <20241030180112.4635-9-joshi.k@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241030180112.4635-1-joshi.k@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrIJsWRmVeSWpSXmKPExsWy7bCmum5PmVK6QV8Hu8XHr79ZLJom/GW2 mLNqG6PF6rv9bBavD39itLh5YCeTxcrVR5ks3rWeY7GYPb2ZyeLo/7dsFpMOXWO02HtL22LP 3pMsFvOXPWW36L6+g81i+fF/TBbn/x5ntTg/aw67g5DHzll32T0uny312LSqk81j85J6j903 G9g8Pj69xeLRt2UVo8eZBUfYPT5vkvPY9OQtUwBXVLZNRmpiSmqRQmpecn5KZl66rZJ3cLxz vKmZgaGuoaWFuZJCXmJuqq2Si0+ArltmDtBPSgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJb pdSClJwCkwK94sTc4tK8dL281BIrQwMDI1OgwoTsjL/T9jMWtHNXXL9zhbWBcT5nFyMnh4SA icT7uR9Zuhi5OIQEdjNKPL1/ixnC+cQosfTXMjYI5xujxKX9j1hgWi48a4Cq2ssosWbNV1YI 5zOjxOpLPexdjBwcbAKaEhcml4I0iAgsZZRYeT0apIZZYDmTxIH7u8EmCQsESPQ962QCsVkE VCXWzjrNBmLzCphLNO19yASxTV5i5qXv7CA2p4CFxIcdN1kgagQlTs58AmYzA9U0b50NdpGE wB0Oia9TV7FDNLtIrPvZCzVIWOLV8S1QcSmJz+/2skHY2RIPHj2Aeq1GYsfmPlYI216i4c8N VpBnmIGeWb9LH2IXn0Tv7ydMIGEJAV6JjjYhiGpFiXuTnkJ1iks8nLEEyvaQ+PnqKxMkfLoZ JbbNm8Q0gVF+FpIXZiF5YRbCtgWMzKsYJVMLinPTU4tNCwzzUsvhMZucn7uJEZy2tTx3MN59 8EHvECMTB+MhRgkOZiURXssgxXQh3pTEyqrUovz4otKc1OJDjKbAMJ7ILCWanA/MHHkl8YYm lgYmZmZmJpbGZoZK4ryvW+emCAmkJ5akZqemFqQWwfQxcXBKNTClL45O3ODYzBd/x3NeXB0b v26DyCPn8pMcSUeeOFRmWgf2/LvWHrq6m1HlWEDNmuLwI1zlmndVXcSO8LILZZ+flWh4Y/O+ pPre/ds/pO9KVW9NvSwVc+/OIob85lS/d3WyJZf/fLwlW7zg9dN5s5c+vdO0eo266fPNUp9/ iXmuOWxyR0nvbey+3qZ1dR2c85VF8loivbrubPKa8EwrKMtPneebQu/Vr55qR+IKOO2v/12d 9DfcPTflmMQUn79hgS8yV9mVzBKcw/z4/JRox+ZnTz4/KZ+mvsOIT0r/8mm263vn7er2cDz8 a7us3Y77mdEO0QFll8J2vjAWVYt4NnERg4jh38BbH/bnCbYvfqXEUpyRaKjFXFScCADt010P ZAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsWy7bCSvG53mVK6weMci49ff7NYNE34y2wx Z9U2RovVd/vZLF4f/sRocfPATiaLlauPMlm8az3HYjF7ejOTxdH/b9ksJh26xmix95a2xZ69 J1ks5i97ym7RfX0Hm8Xy4/+YLM7/Pc5qcX7WHHYHIY+ds+6ye1w+W+qxaVUnm8fmJfUeu282 sHl8fHqLxaNvyypGjzMLjrB7fN4k57HpyVumAK4oLpuU1JzMstQifbsEroy/0/YzFrRzV1y/ c4W1gXE+ZxcjJ4eEgInEhWcNzF2MXBxCArsZJf5332SDSIhLNF/7wQ5hC0us/PecHaLoI6PE liWTWboYOTjYBDQlLkwuBYmLCKxnlDi7dwILiMMssJFJ4uyeH2CThAX8JD51LQGbxCKgKrF2 1mmwOK+AuUTT3odMEBvkJWZe+g5WwylgIfFhx00WEFsIqOb6wjPsEPWCEidnPgGLMwPVN2+d zTyBUWAWktQsJKkFjEyrGCVTC4pz03OLDQsM81LL9YoTc4tL89L1kvNzNzGCI05Lcwfj9lUf 9A4xMnEwHmKU4GBWEuG1DFJMF+JNSaysSi3Kjy8qzUktPsQozcGiJM4r/qI3RUggPbEkNTs1 tSC1CCbLxMEp1cCkP+X3m64PNa8fhuYqTmxXPpE6+xrDiV2LLkVq30hcpft274l4/6VbdH5t v1ziPufA0RAprjWXj634taX43o+zMlF1q79e+Vh75f+TYxXvH51YsCHjZgjX8alifVqW1foL si8vmSVq+1IgSHyV+4mgbbypipEm0kfbV97hCn717Fmd0xGL2xz1Gy1X8ql67gxTcPztIuF9 dWLKP61tDzZ2idy9Z6zq0s8lFbA0KlpCgpMldO6BqZZCVbKM7DcvMh5u/3HTdEH+4o7lsjzZ ab0+Mqc/2/JfeDMx+/DNVNfJ33qN1xnY103IjXjW/MmT7VeYm+RBzot+LO8ui1iEuEuZzM2s EFrE+u3z1I2cpVwblViKMxINtZiLihMBAM4v/ycDAAA= X-CMS-MailID: 20241030181019epcas5p135961d721959d80f1f60bd4790ed52cf X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241030181019epcas5p135961d721959d80f1f60bd4790ed52cf References: <20241030180112.4635-1-joshi.k@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241030_111024_134865_D368C867 X-CRM114-Status: GOOD ( 18.10 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org 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); -- 2.25.1