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Fri, 23 Aug 2024 10:46:36 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240823104636epsmtrp23a2d147a0fe123c333c0fe910e8f9b7b~uVcFnczlI0163301633epsmtrp2W; Fri, 23 Aug 2024 10:46:36 +0000 (GMT) X-AuditID: b6c32a44-15fb870000002297-d0-66c8690e4604 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id 29.0B.08456.C8868C66; Fri, 23 Aug 2024 19:46:36 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240823104634epsmtip2046c9f44c5cbd54c2a0c28b10004bbb0~uVcDpDd3N1442714427epsmtip2x; Fri, 23 Aug 2024 10:46:34 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, krisman@suse.de 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, Kanchan Joshi , Anuj Gupta Subject: [PATCH v3 09/10] nvme: add handling for app_tag Date: Fri, 23 Aug 2024 16:08:10 +0530 Message-Id: <20240823103811.2421-11-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240823103811.2421-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrLJsWRmVeSWpSXmKPExsWy7bCmli5f5ok0g8adLBZNE/4yW8xZtY3R YvXdfjaLmwd2MlmsXH2UyeJd6zkWi6P/37JZTDp0jdFi+5mlzBZ7b2lbzF/2lN2i+/oONovl x/8xOfB67Jx1l93j8tlSj02rOtk8Ni+p99h9s4HN4+PTWywefVtWMXpsPl3t8XmTXABnVLZN RmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJuqq2Si0+ArltmDtDRSgpliTml QKGAxOJiJX07m6L80pJUhYz84hJbpdSClJwCkwK94sTc4tK8dL281BIrQwMDI1OgwoTsjEXH 2pkL5nNXbPjp38C4lLOLkZNDQsBEovHxJEYQW0hgN6PEkW0FXYxcQPYnRokzL5awQDjfGCX+ b37ADtNxuOUmVGIvo8S+vweYIZzPjBINf08wg1SxCahLHHneCjZXRKBS4vmuH2AdzAI3GSWa j+1j6mLk4BAWsJB402cIUsMioCqx6vw8FhCbV8BS4ljLGSaIbfISMy99B9vMCRRvmt0AVSMo cXLmEzCbGaimeetssCMkBFZySDxY1s8I0ewisXjZU1YIW1ji1fEtUC9ISXx+t5cNwk6X+HH5 KdSyApDboHrtJVpP9TOD3MksoCmxfpc+RFhWYuqpdUwQe/kken8/gWrlldgxD8ZWkmhfOQfK lpDYe64ByvaQuLriLhsksHoYJZ4s7mKewKgwC8k/s5D8Mwth9QJG5lWMkqkFxbnpqcmmBYZ5 qeXwSE7Oz93ECE7HWi47GG/M/6d3iJGJg/EQowQHs5IIb9K9o2lCvCmJlVWpRfnxRaU5qcWH GE2BAT6RWUo0OR+YEfJK4g1NLA1MzMzMTCyNzQyVxHlft85NERJITyxJzU5NLUgtgulj4uCU amB6MSN2x5Ubk9ZwHZSpmLGM+2pm7pU+T2GOK7ImL/3ELaYVWN4WfN36d6Ly9m86U3Z7p3wK mqcq264yK90i+NTOG/sks96de9e8JdLTfuX1h655DzeVP1vF/6pFY3fNhzY7Y1HVUmM1k2ec 5wXWPeDlnPk2yZd55yeZXQ7Ppdnl3s/iENi57s0WfuMrTbtcY3hFD95zefjxX/RS3vBFK927 fQ/sXOHQZfdvQVqjjMrm/r4lHVsfbn7ovqcsf0tSwDz3K4s+59/MvNPNl9TA9lz94xwBIcP7 U8Ryg/8km1zQm71tiy5bwt1/34Vbt+xg+ui1p/To05TbVpnlvW3Td2XFbvJZUGM293C7doP6 4T38SizFGYmGWsxFxYkAksp/elAEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKLMWRmVeSWpSXmKPExsWy7bCSvG5Pxok0g4sdkhZNE/4yW8xZtY3R YvXdfjaLmwd2MlmsXH2UyeJd6zkWi6P/37JZTDp0jdFi+5mlzBZ7b2lbzF/2lN2i+/oONovl x/8xOfB67Jx1l93j8tlSj02rOtk8Ni+p99h9s4HN4+PTWywefVtWMXpsPl3t8XmTXABnFJdN SmpOZllqkb5dAlfGomPtzAXzuSs2/PRvYFzK2cXIySEhYCJxuOUmSxcjF4eQwG5GiTdPZjBB JCQkTr1cxghhC0us/PecHaLoI6PElOuH2UESbALqEkeetzKCJEQEGhkltjR/ARvFLHCfUeJt 824gh4NDWMBC4k2fIUgDi4CqxKrz81hAbF4BS4ljLWegtslLzLz0HWwoJ1C8aXYDWI0QUOuy 5WcYIeoFJU7OfAIWZwaqb946m3kCo8AsJKlZSFILGJlWMUqmFhTnpucWGxYY5aWW6xUn5haX 5qXrJefnbmIEx4yW1g7GPas+6B1iZOJgPMQowcGsJMKbdO9omhBvSmJlVWpRfnxRaU5q8SFG aQ4WJXHeb697U4QE0hNLUrNTUwtSi2CyTBycUg1MXPuWaE//+MMw1udO4oUGRucZO8t27H3K t1vduo7V2S1omeb11gt7lETMBVbtYr2VXmWqLavp5M+0v3JP8vxbYZHmKXqzLHxdWNkPnLc7 HXX0D5tO7MkV0Xvs2i0PxxT9+7plbW+d+iHd5M6W1UtVX//c8XPjlGlvJi2ezhLIOM109SZ+ 01BbP/kPOwQv+czI7z6ituC7vDOTPiP/Vp5XDAw9T7/8Vp9Y9Vmg9bvt9gSXybqFeY6P7+0P LRK1rWl+Xvz4CE/+jIKiKa5SBlXuCyK4Tu/eKjBtvkPKS52yt2G3TJNn3Gjdudbt3rvbwfza 065bxdzS4lstE/Pkw04uiYsaLce79ZmF2RJYZZmVWIozEg21mIuKEwFmrOzyCAMAAA== X-CMS-MailID: 20240823104636epcas5p4825a6d2dd9e45cfbcc97895264662d30 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240823104636epcas5p4825a6d2dd9e45cfbcc97895264662d30 References: <20240823103811.2421-1-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. Signed-off-by: Anuj Gupta Signed-off-by: Kanchan Joshi --- drivers/nvme/host/core.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index d4c366df8f12..af6940ec6e3c 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -871,6 +871,13 @@ 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 nvme_command *cmnd, u16 apptag) +{ + cmnd->rw.apptag = cpu_to_le16(apptag); + /* use 0xfff as mask so that apptag is used in entirety */ + cmnd->rw.appmask = cpu_to_le16(0xffff); +} + static void nvme_set_ref_tag(struct nvme_ns *ns, struct nvme_command *cmnd, struct request *req) { @@ -1010,6 +1017,11 @@ 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(cmnd, + bio_integrity(req->bio)->app_tag); + } } cmnd->rw.control = cpu_to_le16(control);