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Fri, 30 Sep 2022 15:45:02 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20220930063833epcas5p40fbff95f9d132f5a42dda80d307426e9~ZkArb25FD2024220242epcas5p4O; Fri, 30 Sep 2022 06:38:33 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20220930063833epsmtrp1912c3123d85a5da197775af2451df46c~ZkArbLujp2657326573epsmtrp1i; Fri, 30 Sep 2022 06:38:33 +0000 (GMT) X-AuditID: b6c32a4b-5f7fe7000001dc20-cd-6336906e21ce Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id A7.69.14392.9EE86336; Fri, 30 Sep 2022 15:38:33 +0900 (KST) Received: from localhost.localdomain (unknown [107.110.206.5]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20220930063831epsmtip2804e2adf4659edb5c4242e57518e9635~ZkAp4CasY1483614836epsmtip2Q; Fri, 30 Sep 2022 06:38:31 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org 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 for-next v12 11/12] nvme: pass ubuffer as an integer Date: Fri, 30 Sep 2022 11:57:48 +0530 Message-Id: <20220930062749.152261-12-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220930062749.152261-1-anuj20.g@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrAJsWRmVeSWpSXmKPExsWy7bCmum7eBLNkgysr9CyaJvxltlh9t5/N 4uaBnUwWK1cfZbJ413qOxeLo/7dsFpMOXWO02HtL22L+sqfsFt3Xd7A5cHlcPlvqsWlVJ5vH 5iX1HrtvNrB59G1ZxejxeZNcAFtUtk1GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5 kkJeYm6qrZKLT4CuW2YO0F1KCmWJOaVAoYDE4mIlfTubovzSklSFjPziElul1IKUnAKTAr3i xNzi0rx0vbzUEitDAwMjU6DChOyMe1vLCqbJVTScn8/YwPheoouRk0NCwETiyJ1dbF2MXBxC ArsZJRrX7WKHcD4xSpy8sgYq841R4uP6O6wwLS0LjkBV7WWUOHr+MyuE85lR4lvPFmaQKjYB dYkjz1sZQWwRASOJ/Z9OghUxC9xklGg+to8JJCEs4CLx5OYTsCIWAVWJh/v3AtkcHLwC1hIH DyVCbJOXmHnpOztImBMo3LwoByTMKyAocXLmExYQmxmopHnrbGaQ8RICjRwS525OgLrURaLn /ytmCFtY4tXxLewQtpTEy/42KDtd4sflp0wQdgHIaYwQtr1E66l+ZpC9zAKaEut36UOEZSWm nlrHBLGXT6L39xOoVl6JHfNgbCWJ9pVzoGwJib3nGqBsD4kVC/qYIWHVxyjR9e4O0wRGhVlI /pmF5J9ZCKsXMDKvYpRMLSjOTU8tNi0wzksth0dycn7uJkZwUtXy3sH46MEHvUOMTByMhxgl OJiVRHjFC0yThXhTEiurUovy44tKc1KLDzGaAoN7IrOUaHI+MK3nlcQbmlgamJiZmZlYGpsZ KonzLp6hlSwkkJ5YkpqdmlqQWgTTx8TBKdXAtKdxv1F3wLnDZaxhNbFNmwTjNuQfOcSUsusv V4L39/Oz1lU8YJqV4xc25eVy7dfv3M1z2HefOq5y99prh58NRT7THbalRzUodCydKKS1xUl2 Qs8djtRNNx+tE1xzwnl3y923ty639O0ujz1kxLPfWvNtOKNnWyVr95rLDA46vl31nO/VWB47 sez/7b/3fIG80I/d6/U+yJZqzEnmPndqD/f22G6Gyy2eTiotOZ51W1T9Dx5t6d+oes8swoLz iNo+vRMFz2WkOuyKJHtOS73V+9zQeH//pOL0OzHGzEdaHjI6BK5YY3Gx/blv/E++rd9DW5VP hOUZfMqfynns2RMZiT0xS+3bTl9Z8bm1X0BWiaU4I9FQi7moOBEAmJY93DMEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGLMWRmVeSWpSXmKPExsWy7bCSvO7LPrNkg22PFSyaJvxltlh9t5/N 4uaBnUwWK1cfZbJ413qOxeLo/7dsFpMOXWO02HtL22L+sqfsFt3Xd7A5cHlcPlvqsWlVJ5vH 5iX1HrtvNrB59G1ZxejxeZNcAFsUl01Kak5mWWqRvl0CV8a9rWUF0+QqGs7PZ2xgfC/RxcjJ ISFgItGy4Ah7FyMXh5DAbkaJyxe6mCESEhKnXi5jhLCFJVb+ew5V9JFRYsqSfjaQBJuAusSR 561gRSICZhJLD69hASliFrjPKPG2eTcLSEJYwEXiyc0nYEUsAqoSD/fvBbI5OHgFrCUOHkqE WCAvMfPSd3aQMCdQuHlRDkhYSMBK4vOe9+wgNq+AoMTJmU/AJjIDlTdvnc08gVFgFpLULCSp BYxMqxglUwuKc9Nziw0LDPNSy/WKE3OLS/PS9ZLzczcxgoNeS3MH4/ZVH/QOMTJxMB5ilOBg VhLhFS8wTRbiTUmsrEotyo8vKs1JLT7EKM3BoiTOe6HrZLyQQHpiSWp2ampBahFMlomDU6qB ydw3/JX770N18hvfX6sO2LzyujC7vK2eO9+D036MDx7Z9UsxLKqPU2jh//fF/7SF8bcLjgKN 11drv9ezMfxh79V0PuJe371Pf4WqgwrkbvWbvXP73VUy9eorQc+g8xsT/uqkhoScvrVPKcuC e/vrC43Tt/PdDz1d82DX31/Lw3oWfuhzCJovJXvnUahwuWNUx7RQn+jeuJ8OTLcvLVLyKErY nVlhoFMr6MN2xtTun7mk0aPjR43uhPZ3GW602HrIk/FH58Fl7wqj97taGF7hfKAhxZRVr3Dl zpnDs66X6k9Wn1F3dI+iyTvzs+2P1zC8Fah/8vVcjZn0yoYt80Q+1O5qvfDe/PxUhWXcnxkO K7EUZyQaajEXFScCAJ2CE+bpAgAA X-CMS-MailID: 20220930063833epcas5p40fbff95f9d132f5a42dda80d307426e9 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220930063833epcas5p40fbff95f9d132f5a42dda80d307426e9 References: <20220930062749.152261-1-anuj20.g@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Kanchan Joshi This is a prep patch. Modify nvme_submit_user_cmd and nvme_map_user_request to take ubuffer as plain integer argument, and do away with nvme_to_user_ptr conversion in callers. Signed-off-by: Anuj Gupta Signed-off-by: Kanchan Joshi Reviewed-by: Christoph Hellwig --- drivers/nvme/host/ioctl.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 3f1e7af19716..7a41caa9bfd2 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -83,9 +83,10 @@ static struct request *nvme_alloc_user_request(struct request_queue *q, return req; } -static int nvme_map_user_request(struct request *req, void __user *ubuffer, +static int nvme_map_user_request(struct request *req, u64 ubuffer, unsigned bufflen, void __user *meta_buffer, unsigned meta_len, - u32 meta_seed, void **metap, bool vec) + u32 meta_seed, void **metap, struct io_uring_cmd *ioucmd, + bool vec) { struct request_queue *q = req->q; struct nvme_ns *ns = q->queuedata; @@ -94,8 +95,8 @@ static int nvme_map_user_request(struct request *req, void __user *ubuffer, void *meta = NULL; int ret; - ret = blk_rq_map_user_io(req, NULL, ubuffer, bufflen, GFP_KERNEL, vec, - 0, 0, rq_data_dir(req)); + ret = blk_rq_map_user_io(req, NULL, nvme_to_user_ptr(ubuffer), bufflen, + GFP_KERNEL, vec, 0, 0, rq_data_dir(req)); if (ret) goto out; @@ -124,7 +125,7 @@ static int nvme_map_user_request(struct request *req, void __user *ubuffer, } static int nvme_submit_user_cmd(struct request_queue *q, - struct nvme_command *cmd, void __user *ubuffer, + struct nvme_command *cmd, u64 ubuffer, unsigned bufflen, void __user *meta_buffer, unsigned meta_len, u32 meta_seed, u64 *result, unsigned timeout, bool vec) { @@ -142,7 +143,7 @@ static int nvme_submit_user_cmd(struct request_queue *q, req->timeout = timeout; if (ubuffer && bufflen) { ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer, - meta_len, meta_seed, &meta, vec); + meta_len, meta_seed, &meta, NULL, vec); if (ret) return ret; } @@ -226,7 +227,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) c.rw.appmask = cpu_to_le16(io.appmask); return nvme_submit_user_cmd(ns->queue, &c, - nvme_to_user_ptr(io.addr), length, + io.addr, length, metadata, meta_len, lower_32_bits(io.slba), NULL, 0, false); } @@ -280,7 +281,7 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns, timeout = msecs_to_jiffies(cmd.timeout_ms); status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c, - nvme_to_user_ptr(cmd.addr), cmd.data_len, + cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata), cmd.metadata_len, 0, &result, timeout, false); @@ -326,7 +327,7 @@ static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns, timeout = msecs_to_jiffies(cmd.timeout_ms); status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c, - nvme_to_user_ptr(cmd.addr), cmd.data_len, + cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata), cmd.metadata_len, 0, &cmd.result, timeout, vec); @@ -512,9 +513,9 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns, req->timeout = d.timeout_ms ? msecs_to_jiffies(d.timeout_ms) : 0; if (d.addr && d.data_len) { - ret = nvme_map_user_request(req, nvme_to_user_ptr(d.addr), + ret = nvme_map_user_request(req, d.addr, d.data_len, nvme_to_user_ptr(d.metadata), - d.metadata_len, 0, &meta, vec); + d.metadata_len, 0, &meta, ioucmd, vec); if (ret) return ret; }