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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*******************************************************************************
23  * IBM Virtual SCSI Target Driver
34  * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp.
....@@ -9,16 +10,6 @@
910  *
1011  * Authors: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
1112  * Authors: Michael Cyr <mikecyr@linux.vnet.ibm.com>
12
- *
13
- * This program is free software; you can redistribute it and/or modify
14
- * it under the terms of the GNU General Public License as published by
15
- * the Free Software Foundation; either version 2 of the License, or
16
- * (at your option) any later version.
17
- *
18
- * This program is distributed in the hope that it will be useful,
19
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
20
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
- * GNU General Public License for more details.
2213  *
2314  ****************************************************************************/
2415 
....@@ -44,7 +35,7 @@
4435 
4536 #define IBMVSCSIS_VERSION	"v0.2"
4637 
47
-#define	INITIAL_SRP_LIMIT	800
38
+#define	INITIAL_SRP_LIMIT	1024
4839 #define	DEFAULT_MAX_SECTORS	256
4940 #define MAX_TXU			1024 * 1024
5041 
....@@ -1590,6 +1581,7 @@
15901581 	case H_PERMISSION:
15911582 		if (connection_broken(vscsi))
15921583 			flag_bits = (RESPONSE_Q_DOWN | CLIENT_FAILED);
1584
+		fallthrough;
15931585 	default:
15941586 		dev_err(&vscsi->dev, "adapter_info: h_copy_rdma to client failed, rc %ld\n",
15951587 			rc);
....@@ -1885,7 +1877,6 @@
18851877 	 */
18861878 	struct viosrp_crq *crq = (struct viosrp_crq *)&msg_hi;
18871879 	struct ibmvscsis_cmd *cmd, *nxt;
1888
-	struct iu_entry *iue;
18891880 	long rc = ADAPT_SUCCESS;
18901881 	bool retry = false;
18911882 
....@@ -1939,8 +1930,6 @@
19391930 					 */
19401931 					vscsi->credit += 1;
19411932 				} else {
1942
-					iue = cmd->iue;
1943
-
19441933 					crq->valid = VALID_CMD_RESP_EL;
19451934 					crq->format = cmd->rsp.format;
19461935 
....@@ -2266,7 +2255,6 @@
22662255 	/*
22672256 	 * Release the SCSI I_T Nexus to the emulated ibmvscsis Target Port
22682257 	 */
2269
-	target_wait_for_sess_cmds(se_sess);
22702258 	target_remove_session(se_sess);
22712259 	tport->ibmv_nexus = NULL;
22722260 	kfree(nexus);
....@@ -2363,7 +2351,6 @@
23632351 {
23642352 	struct iu_entry *iue = cmd->iue;
23652353 	struct srp_i_logout *log_out = &vio_iu(iue)->srp.i_logout;
2366
-	long rc = ADAPT_SUCCESS;
23672354 
23682355 	if ((vscsi->debit > 0) || !list_empty(&vscsi->schedule_q) ||
23692356 	    !list_empty(&vscsi->waiting_rsp)) {
....@@ -2379,7 +2366,7 @@
23792366 		ibmvscsis_post_disconnect(vscsi, WAIT_IDLE, 0);
23802367 	}
23812368 
2382
-	return rc;
2369
+	return ADAPT_SUCCESS;
23832370 }
23842371 
23852372 /* Called with intr lock held */
....@@ -2502,8 +2489,10 @@
25022489 		break;
25032490 	case H_CLOSED:
25042491 		vscsi->flags |= CLIENT_FAILED;
2492
+		fallthrough;
25052493 	case H_DROPPED:
25062494 		vscsi->flags |= RESPONSE_Q_DOWN;
2495
+		fallthrough;
25072496 	case H_REMOTE_PARM:
25082497 		dev_err(&vscsi->dev, "ping_response: h_send_crq failed, rc %ld\n",
25092498 			rc);
....@@ -3696,11 +3685,6 @@
36963685 	return 0;
36973686 }
36983687 
3699
-static char *ibmvscsis_get_fabric_name(void)
3700
-{
3701
-	return "ibmvscsis";
3702
-}
3703
-
37043688 static char *ibmvscsis_get_fabric_wwn(struct se_portal_group *se_tpg)
37053689 {
37063690 	struct ibmvscsis_tport *tport =
....@@ -3794,11 +3778,6 @@
37943778 	return 0;
37953779 }
37963780 
3797
-static int ibmvscsis_write_pending_status(struct se_cmd *se_cmd)
3798
-{
3799
-	return 0;
3800
-}
3801
-
38023781 static void ibmvscsis_set_default_node_attrs(struct se_node_acl *nacl)
38033782 {
38043783 }
....@@ -3814,7 +3793,6 @@
38143793 						 se_cmd);
38153794 	struct iu_entry *iue = cmd->iue;
38163795 	struct scsi_info *vscsi = cmd->adapter;
3817
-	char *sd;
38183796 	uint len = 0;
38193797 	int rc;
38203798 
....@@ -3822,7 +3800,6 @@
38223800 			       1);
38233801 	if (rc) {
38243802 		dev_err(&vscsi->dev, "srp_transfer_data failed: %d\n", rc);
3825
-		sd = se_cmd->sense_buffer;
38263803 		se_cmd->scsi_sense_length = 18;
38273804 		memset(se_cmd->sense_buffer, 0, se_cmd->scsi_sense_length);
38283805 		/* Logical Unit Communication Time-out asc/ascq = 0x0801 */
....@@ -4045,9 +4022,8 @@
40454022 
40464023 static const struct target_core_fabric_ops ibmvscsis_ops = {
40474024 	.module				= THIS_MODULE,
4048
-	.name				= "ibmvscsis",
4025
+	.fabric_name			= "ibmvscsis",
40494026 	.max_data_sg_nents		= MAX_TXU / PAGE_SIZE,
4050
-	.get_fabric_name		= ibmvscsis_get_fabric_name,
40514027 	.tpg_get_wwn			= ibmvscsis_get_fabric_wwn,
40524028 	.tpg_get_tag			= ibmvscsis_get_tag,
40534029 	.tpg_get_default_depth		= ibmvscsis_get_default_depth,
....@@ -4060,7 +4036,6 @@
40604036 	.release_cmd			= ibmvscsis_release_cmd,
40614037 	.sess_get_index			= ibmvscsis_sess_get_index,
40624038 	.write_pending			= ibmvscsis_write_pending,
4063
-	.write_pending_status		= ibmvscsis_write_pending_status,
40644039 	.set_default_node_attributes	= ibmvscsis_set_default_node_attrs,
40654040 	.get_cmd_state			= ibmvscsis_get_cmd_state,
40664041 	.queue_data_in			= ibmvscsis_queue_data_in,