add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/target/target_core_pscsi.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*******************************************************************************
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  * Filename:  target_core_pscsi.c
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  *
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@@ -6,20 +7,6 @@
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  * (c) Copyright 2003-2013 Datera, Inc.
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  *
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  * Nicholas A. Bellinger <nab@kernel.org>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  *
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  ******************************************************************************/
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12
 
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@@ -179,20 +166,20 @@
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 static void
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 pscsi_set_inquiry_info(struct scsi_device *sdev, struct t10_wwn *wwn)
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 {
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-	unsigned char *buf;
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-
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 	if (sdev->inquiry_len < INQUIRY_LEN)
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 		return;
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-
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-	buf = sdev->inquiry;
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-	if (!buf)
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-		return;
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 	/*
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-	 * Use sdev->inquiry from drivers/scsi/scsi_scan.c:scsi_alloc_sdev()
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+	 * Use sdev->inquiry data from drivers/scsi/scsi_scan.c:scsi_add_lun()
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 	 */
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-	memcpy(&wwn->vendor[0], &buf[8], sizeof(wwn->vendor));
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-	memcpy(&wwn->model[0], &buf[16], sizeof(wwn->model));
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-	memcpy(&wwn->revision[0], &buf[32], sizeof(wwn->revision));
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+	BUILD_BUG_ON(sizeof(wwn->vendor) != INQUIRY_VENDOR_LEN + 1);
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+	snprintf(wwn->vendor, sizeof(wwn->vendor),
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+		 "%." __stringify(INQUIRY_VENDOR_LEN) "s", sdev->vendor);
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+	BUILD_BUG_ON(sizeof(wwn->model) != INQUIRY_MODEL_LEN + 1);
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+	snprintf(wwn->model, sizeof(wwn->model),
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+		 "%." __stringify(INQUIRY_MODEL_LEN) "s", sdev->model);
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+	BUILD_BUG_ON(sizeof(wwn->revision) != INQUIRY_REVISION_LEN + 1);
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+	snprintf(wwn->revision, sizeof(wwn->revision),
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+		 "%." __stringify(INQUIRY_REVISION_LEN) "s", sdev->rev);
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 }
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 static int
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@@ -812,7 +799,6 @@
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 	struct scsi_device *sd = pdv->pdv_sd;
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 	unsigned char host_id[16];
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 	ssize_t bl;
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-	int i;
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 	if (phv->phv_mode == PHV_VIRTUAL_HOST_ID)
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 		snprintf(host_id, 16, "%d", pdv->pdv_host_id);
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@@ -825,29 +811,12 @@
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 		host_id);
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 	if (sd) {
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-		bl += sprintf(b + bl, "        ");
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-		bl += sprintf(b + bl, "Vendor: ");
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-		for (i = 0; i < 8; i++) {
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-			if (ISPRINT(sd->vendor[i]))   /* printable character? */
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-				bl += sprintf(b + bl, "%c", sd->vendor[i]);
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-			else
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-				bl += sprintf(b + bl, " ");
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-		}
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-		bl += sprintf(b + bl, " Model: ");
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-		for (i = 0; i < 16; i++) {
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-			if (ISPRINT(sd->model[i]))   /* printable character ? */
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-				bl += sprintf(b + bl, "%c", sd->model[i]);
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-			else
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-				bl += sprintf(b + bl, " ");
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-		}
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-		bl += sprintf(b + bl, " Rev: ");
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-		for (i = 0; i < 4; i++) {
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-			if (ISPRINT(sd->rev[i]))   /* printable character ? */
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-				bl += sprintf(b + bl, "%c", sd->rev[i]);
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-			else
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-				bl += sprintf(b + bl, " ");
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-		}
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-		bl += sprintf(b + bl, "\n");
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+		bl += sprintf(b + bl, "        Vendor: %."
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+			__stringify(INQUIRY_VENDOR_LEN) "s", sd->vendor);
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+		bl += sprintf(b + bl, " Model: %."
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+			__stringify(INQUIRY_MODEL_LEN) "s", sd->model);
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+		bl += sprintf(b + bl, " Rev: %."
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+			__stringify(INQUIRY_REVISION_LEN) "s\n", sd->rev);
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 	}
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 	return bl;
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 }
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@@ -1103,16 +1072,16 @@
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 		break;
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 	}
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-	__blk_put_request(req->q, req);
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+	blk_put_request(req);
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 	kfree(pt);
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 }
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 static const struct target_backend_ops pscsi_ops = {
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 	.name			= "pscsi",
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 	.owner			= THIS_MODULE,
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-	.transport_flags	= TRANSPORT_FLAG_PASSTHROUGH |
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-				  TRANSPORT_FLAG_PASSTHROUGH_ALUA |
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-				  TRANSPORT_FLAG_PASSTHROUGH_PGR,
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+	.transport_flags_default = TRANSPORT_FLAG_PASSTHROUGH |
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+				   TRANSPORT_FLAG_PASSTHROUGH_ALUA |
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+				   TRANSPORT_FLAG_PASSTHROUGH_PGR,
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 	.attach_hba		= pscsi_attach_hba,
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 	.detach_hba		= pscsi_detach_hba,
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 	.pmode_enable_hba	= pscsi_pmode_enable_hba,