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2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2 
 kernel/drivers/scsi/qla4xxx/ql4_os.c
....@@ -1,8 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * QLogic iSCSI HBA Driver
34  * Copyright (c)  2003-2013 QLogic Corporation
4
- *
5
- * See LICENSE.qla4xxx for copyright and licensing details.
65  */
76 #include <linux/moduleparam.h>
87 #include <linux/slab.h>
....@@ -188,6 +187,40 @@
188187 static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
189188     QLA82XX_LEGACY_INTR_CONFIG;
190189 
190
+static const uint32_t qla4_82xx_reg_tbl[] = {
191
+	QLA82XX_PEG_HALT_STATUS1,
192
+	QLA82XX_PEG_HALT_STATUS2,
193
+	QLA82XX_PEG_ALIVE_COUNTER,
194
+	QLA82XX_CRB_DRV_ACTIVE,
195
+	QLA82XX_CRB_DEV_STATE,
196
+	QLA82XX_CRB_DRV_STATE,
197
+	QLA82XX_CRB_DRV_SCRATCH,
198
+	QLA82XX_CRB_DEV_PART_INFO,
199
+	QLA82XX_CRB_DRV_IDC_VERSION,
200
+	QLA82XX_FW_VERSION_MAJOR,
201
+	QLA82XX_FW_VERSION_MINOR,
202
+	QLA82XX_FW_VERSION_SUB,
203
+	CRB_CMDPEG_STATE,
204
+	CRB_TEMP_STATE,
205
+};
206
+
207
+static const uint32_t qla4_83xx_reg_tbl[] = {
208
+	QLA83XX_PEG_HALT_STATUS1,
209
+	QLA83XX_PEG_HALT_STATUS2,
210
+	QLA83XX_PEG_ALIVE_COUNTER,
211
+	QLA83XX_CRB_DRV_ACTIVE,
212
+	QLA83XX_CRB_DEV_STATE,
213
+	QLA83XX_CRB_DRV_STATE,
214
+	QLA83XX_CRB_DRV_SCRATCH,
215
+	QLA83XX_CRB_DEV_PART_INFO1,
216
+	QLA83XX_CRB_IDC_VER_MAJOR,
217
+	QLA83XX_FW_VER_MAJOR,
218
+	QLA83XX_FW_VER_MINOR,
219
+	QLA83XX_FW_VER_SUB,
220
+	QLA83XX_CMDPEG_STATE,
221
+	QLA83XX_ASIC_TEMP,
222
+};
223
+
191224 static struct scsi_host_template qla4xxx_driver_template = {
192225 	.module			= THIS_MODULE,
193226 	.name			= DRIVER_NAME,
....@@ -205,7 +238,6 @@
205238 
206239 	.this_id		= -1,
207240 	.cmd_per_lun		= 3,
208
-	.use_clustering		= ENABLE_CLUSTERING,
209241 	.sg_tablesize		= SG_ALL,
210242 
211243 	.max_sectors		= 0xFFFF,
....@@ -227,6 +259,7 @@
227259 	.start_conn             = qla4xxx_conn_start,
228260 	.create_conn            = qla4xxx_conn_create,
229261 	.bind_conn              = qla4xxx_conn_bind,
262
+	.unbind_conn		= iscsi_conn_unbind,
230263 	.stop_conn              = iscsi_conn_stop,
231264 	.destroy_conn           = qla4xxx_conn_destroy,
232265 	.set_param              = iscsi_set_param,
....@@ -940,6 +973,11 @@
940973 	memset(&chap_rec, 0, sizeof(chap_rec));
941974 
942975 	nla_for_each_attr(attr, data, len, rem) {
976
+		if (nla_len(attr) < sizeof(*param_info)) {
977
+			rc = -EINVAL;
978
+			goto exit_set_chap;
979
+		}
980
+
943981 		param_info = nla_data(attr);
944982 
945983 		switch (param_info->param) {
....@@ -967,7 +1005,7 @@
9671005 				   "%s: No such sysfs attribute\n", __func__);
9681006 			rc = -ENOSYS;
9691007 			goto exit_set_chap;
970
-		};
1008
+		}
9711009 	}
9721010 
9731011 	if (chap_rec.chap_type == CHAP_TYPE_IN)
....@@ -1846,12 +1884,10 @@
18461884 static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
18471885 {
18481886 	struct iscsi_cls_session *session;
1849
-	struct iscsi_session *sess;
18501887 	unsigned long flags;
18511888 	enum blk_eh_timer_return ret = BLK_EH_DONE;
18521889 
18531890 	session = starget_to_session(scsi_target(sc->device));
1854
-	sess = session->dd_data;
18551891 
18561892 	spin_lock_irqsave(&session->lock, flags);
18571893 	if (session->state == ISCSI_SESSION_FAILED)
....@@ -2705,9 +2741,9 @@
27052741 	uint32_t rem = len;
27062742 	struct nlattr *attr;
27072743 
2708
-	init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev,
2709
-					 sizeof(struct addr_ctrl_blk),
2710
-					 &init_fw_cb_dma, GFP_KERNEL);
2744
+	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2745
+					sizeof(struct addr_ctrl_blk),
2746
+					&init_fw_cb_dma, GFP_KERNEL);
27112747 	if (!init_fw_cb) {
27122748 		ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
27132749 			   __func__);
....@@ -2724,6 +2760,11 @@
27242760 	}
27252761 
27262762 	nla_for_each_attr(attr, data, len, rem) {
2763
+		if (nla_len(attr) < sizeof(*iface_param)) {
2764
+			rval = -EINVAL;
2765
+			goto exit_init_fw_cb;
2766
+		}
2767
+
27272768 		iface_param = nla_data(attr);
27282769 
27292770 		if (iface_param->param_type == ISCSI_NET_PARAM) {
....@@ -2876,7 +2917,7 @@
28762917 						chap_tbl.secret_len);
28772918 			}
28782919 		}
2879
-		/* allow fall-through */
2920
+		fallthrough;
28802921 	default:
28812922 		return iscsi_session_get_param(cls_sess, param, buf);
28822923 	}
....@@ -3060,7 +3101,6 @@
30603101 	struct ddb_entry *ddb_entry;
30613102 	uint16_t ddb_index;
30623103 	struct iscsi_session *sess;
3063
-	struct sockaddr *dst_addr;
30643104 	int ret;
30653105 
30663106 	if (!ep) {
....@@ -3069,7 +3109,6 @@
30693109 	}
30703110 
30713111 	qla_ep = ep->dd_data;
3072
-	dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
30733112 	ha = to_qla_host(qla_ep->host);
30743113 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
30753114 			  ha->host_no));
....@@ -3209,6 +3248,7 @@
32093248 	conn = cls_conn->dd_data;
32103249 	qla_conn = conn->dd_data;
32113250 	qla_conn->qla_ep = ep->dd_data;
3251
+	iscsi_put_endpoint(ep);
32123252 	return 0;
32133253 }
32143254 
....@@ -3384,7 +3424,7 @@
33843424 	if (task->data_count) {
33853425 		task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
33863426 						     task->data_count,
3387
-						     PCI_DMA_TODEVICE);
3427
+						     DMA_TO_DEVICE);
33883428 	}
33893429 
33903430 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
....@@ -3439,7 +3479,7 @@
34393479 
34403480 	if (task->data_count) {
34413481 		dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3442
-				 task->data_count, PCI_DMA_TODEVICE);
3482
+				 task->data_count, DMA_TO_DEVICE);
34433483 	}
34443484 
34453485 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
....@@ -4162,20 +4202,16 @@
41624202 	ha->fw_dump_size = 0;
41634203 
41644204 	/* Free srb pool. */
4165
-	if (ha->srb_mempool)
4166
-		mempool_destroy(ha->srb_mempool);
4167
-
4205
+	mempool_destroy(ha->srb_mempool);
41684206 	ha->srb_mempool = NULL;
41694207 
4170
-	if (ha->chap_dma_pool)
4171
-		dma_pool_destroy(ha->chap_dma_pool);
4208
+	dma_pool_destroy(ha->chap_dma_pool);
41724209 
41734210 	if (ha->chap_list)
41744211 		vfree(ha->chap_list);
41754212 	ha->chap_list = NULL;
41764213 
4177
-	if (ha->fw_ddb_dma_pool)
4178
-		dma_pool_destroy(ha->fw_ddb_dma_pool);
4214
+	dma_pool_destroy(ha->fw_ddb_dma_pool);
41794215 
41804216 	/* release io space registers  */
41814217 	if (is_qla8022(ha)) {
....@@ -4213,8 +4249,8 @@
42134249 			  sizeof(struct shadow_regs) +
42144250 			  MEM_ALIGN_VALUE +
42154251 			  (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4216
-	ha->queues = dma_zalloc_coherent(&ha->pdev->dev, ha->queues_len,
4217
-					 &ha->queues_dma, GFP_KERNEL);
4252
+	ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4253
+					&ha->queues_dma, GFP_KERNEL);
42184254 	if (ha->queues == NULL) {
42194255 		ql4_printk(KERN_WARNING, ha,
42204256 		    "Memory Allocation failed - queues.\n");
....@@ -4520,7 +4556,7 @@
45204556 
45214557 /**
45224558  * qla4xxx_timer - checks every second for work to do.
4523
- * @ha: Pointer to host adapter structure.
4559
+ * @t: Context to obtain pointer to host adapter structure.
45244560  **/
45254561 static void qla4xxx_timer(struct timer_list *t)
45264562 {
....@@ -5274,7 +5310,7 @@
52745310 
52755311 /**
52765312  * qla4xxx_do_dpc - dpc routine
5277
- * @data: in our case pointer to adapter structure
5313
+ * @work: Context to obtain pointer to host adapter structure.
52785314  *
52795315  * This routine is a task that is schedule by the interrupt handler
52805316  * to perform the background processing for interrupts.  We put it
....@@ -5497,7 +5533,7 @@
54975533 int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
54985534 {
54995535 	int status = 0;
5500
-	unsigned long mem_base, mem_len, db_base, db_len;
5536
+	unsigned long mem_base, mem_len;
55015537 	struct pci_dev *pdev = ha->pdev;
55025538 
55035539 	status = pci_request_regions(pdev, DRIVER_NAME);
....@@ -5540,9 +5576,6 @@
55405576 		ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
55415577 				    ((uint8_t *)ha->nx_pcibase);
55425578 	}
5543
-
5544
-	db_base = pci_resource_start(pdev, 4);  /* doorbell is on bar 4 */
5545
-	db_len = pci_resource_len(pdev, 4);
55465579 
55475580 	return 0;
55485581 iospace_error_exit:
....@@ -6254,14 +6287,12 @@
62546287 static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
62556288 				  struct ql4_tuple_ddb *tddb)
62566289 {
6257
-	struct scsi_qla_host *ha;
62586290 	struct iscsi_cls_session *cls_sess;
62596291 	struct iscsi_cls_conn *cls_conn;
62606292 	struct iscsi_session *sess;
62616293 	struct iscsi_conn *conn;
62626294 
62636295 	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6264
-	ha = ddb_entry->ha;
62656296 	cls_sess = ddb_entry->sess;
62666297 	sess = cls_sess->dd_data;
62676298 	cls_conn = ddb_entry->conn;
....@@ -8098,6 +8129,11 @@
80988129 
80998130 	memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
81008131 	nla_for_each_attr(attr, data, len, rem) {
8132
+		if (nla_len(attr) < sizeof(*fnode_param)) {
8133
+			rc = -EINVAL;
8134
+			goto exit_set_param;
8135
+		}
8136
+
81018137 		fnode_param = nla_data(attr);
81028138 
81038139 		switch (fnode_param->param) {
....@@ -8596,7 +8632,7 @@
85968632 /**
85978633  * qla4xxx_probe_adapter - callback function to probe HBA
85988634  * @pdev: pointer to pci_dev structure
8599
- * @pci_device_id: pointer to pci_device entry
8635
+ * @ent: pointer to pci_device entry
86008636  *
86018637  * This routine will probe for Qlogic 4xxx iSCSI host adapters.
86028638  * It returns zero if successful. It also initializes all data necessary for
....@@ -8982,7 +9018,7 @@
89829018 }
89839019 /**
89849020  * qla4xxx_remove_adapter - callback function to remove adapter.
8985
- * @pci_dev: PCI device pointer
9021
+ * @pdev: PCI device pointer
89869022  **/
89879023 static void qla4xxx_remove_adapter(struct pci_dev *pdev)
89889024 {
....@@ -9023,25 +9059,16 @@
90239059 /**
90249060  * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
90259061  * @ha: HA context
9026
- *
9027
- * At exit, the @ha's flags.enable_64bit_addressing set to indicated
9028
- * supported addressing method.
90299062  */
90309063 static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
90319064 {
9032
-	int retval;
9033
-
90349065 	/* Update our PCI device dma_mask for full 64 bit mask */
9035
-	if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
9036
-		if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
9037
-			dev_dbg(&ha->pdev->dev,
9038
-				  "Failed to set 64 bit PCI consistent mask; "
9039
-				   "using 32 bit.\n");
9040
-			retval = pci_set_consistent_dma_mask(ha->pdev,
9041
-							     DMA_BIT_MASK(32));
9042
-		}
9043
-	} else
9044
-		retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
9066
+	if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) {
9067
+		dev_dbg(&ha->pdev->dev,
9068
+			  "Failed to set 64 bit PCI consistent mask; "
9069
+			   "using 32 bit.\n");
9070
+		dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32));
9071
+	}
90459072 }
90469073 
90479074 static int qla4xxx_slave_alloc(struct scsi_device *sdev)
....@@ -9158,8 +9185,8 @@
91589185 /**
91599186  * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
91609187  * @ha: pointer to HBA
9161
- * @t: target id
9162
- * @l: lun id
9188
+ * @stgt: pointer to SCSI target
9189
+ * @sdev: pointer to SCSI device
91639190  *
91649191  * This function waits for all outstanding commands to a lun to complete. It
91659192  * returns 0 if all pending commands are returned and 1 otherwise.
....@@ -9629,6 +9656,7 @@
96299656  * qla4xxx_pci_mmio_enabled() gets called if
96309657  * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
96319658  * and read/write to the device still works.
9659
+ * @pdev: PCI device pointer
96329660  **/
96339661 static pci_ers_result_t
96349662 qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
....@@ -9827,7 +9855,6 @@
98279855 		     __func__);
98289856 	}
98299857 
9830
-	pci_cleanup_aer_uncorrect_error_status(pdev);
98319858 	clear_bit(AF_EEH_BUSY, &ha->flags);
98329859 }
98339860