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2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/scsi/mvsas/mv_sas.c
....@@ -1,26 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Marvell 88SE64xx/88SE94xx main function
34  *
45  * Copyright 2007 Red Hat, Inc.
56  * Copyright 2008 Marvell. <kewei@marvell.com>
67  * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
7
- *
8
- * This file is licensed under GPLv2.
9
- *
10
- * This program is free software; you can redistribute it and/or
11
- * modify it under the terms of the GNU General Public License as
12
- * published by the Free Software Foundation; version 2 of the
13
- * License.
14
- *
15
- * This program is distributed in the hope that it will be useful,
16
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18
- * General Public License for more details.
19
- *
20
- * You should have received a copy of the GNU General Public License
21
- * along with this program; if not, write to the Free Software
22
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23
- * USA
248 */
259 
2610 #include "mv_sas.h"
....@@ -232,11 +216,11 @@
232216 	MVS_CHIP_DISP->write_port_cfg_data(mvi, port_id, hi);
233217 }
234218 
235
-static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
219
+static void mvs_bytes_dmaed(struct mvs_info *mvi, int i, gfp_t gfp_flags)
236220 {
237221 	struct mvs_phy *phy = &mvi->phy[i];
238222 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
239
-	struct sas_ha_struct *sas_ha;
223
+
240224 	if (!phy->phy_attached)
241225 		return;
242226 
....@@ -245,8 +229,7 @@
245229 		return;
246230 	}
247231 
248
-	sas_ha = mvi->sas;
249
-	sas_ha->notify_phy_event(sas_phy, PHYE_OOB_DONE);
232
+	sas_notify_phy_event_gfp(sas_phy, PHYE_OOB_DONE, gfp_flags);
250233 
251234 	if (sas_phy->phy) {
252235 		struct sas_phy *sphy = sas_phy->phy;
....@@ -278,8 +261,7 @@
278261 
279262 	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
280263 
281
-	mvi->sas->notify_port_event(sas_phy,
282
-				   PORTE_BYTES_DMAED);
264
+	sas_notify_port_event_gfp(sas_phy, PORTE_BYTES_DMAED, gfp_flags);
283265 }
284266 
285267 void mvs_scan_start(struct Scsi_Host *shost)
....@@ -295,7 +277,7 @@
295277 	for (j = 0; j < core_nr; j++) {
296278 		mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[j];
297279 		for (i = 0; i < mvi->chip->n_phy; ++i)
298
-			mvs_bytes_dmaed(mvi, i);
280
+			mvs_bytes_dmaed(mvi, i, GFP_KERNEL);
299281 	}
300282 	mvs_prv->scan_finished = 1;
301283 }
....@@ -336,13 +318,13 @@
336318 	 * DMA-map SMP request, response buffers
337319 	 */
338320 	sg_req = &task->smp_task.smp_req;
339
-	elem = dma_map_sg(mvi->dev, sg_req, 1, PCI_DMA_TODEVICE);
321
+	elem = dma_map_sg(mvi->dev, sg_req, 1, DMA_TO_DEVICE);
340322 	if (!elem)
341323 		return -ENOMEM;
342324 	req_len = sg_dma_len(sg_req);
343325 
344326 	sg_resp = &task->smp_task.smp_resp;
345
-	elem = dma_map_sg(mvi->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
327
+	elem = dma_map_sg(mvi->dev, sg_resp, 1, DMA_FROM_DEVICE);
346328 	if (!elem) {
347329 		rc = -ENOMEM;
348330 		goto err_out;
....@@ -416,10 +398,10 @@
416398 
417399 err_out_2:
418400 	dma_unmap_sg(mvi->dev, &tei->task->smp_task.smp_resp, 1,
419
-		     PCI_DMA_FROMDEVICE);
401
+		     DMA_FROM_DEVICE);
420402 err_out:
421403 	dma_unmap_sg(mvi->dev, &tei->task->smp_task.smp_req, 1,
422
-		     PCI_DMA_TODEVICE);
404
+		     DMA_TO_DEVICE);
423405 	return rc;
424406 }
425407 
....@@ -790,12 +772,11 @@
790772 	slot->n_elem = n_elem;
791773 	slot->slot_tag = tag;
792774 
793
-	slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
775
+	slot->buf = dma_pool_zalloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
794776 	if (!slot->buf) {
795777 		rc = -ENOMEM;
796778 		goto err_out_tag;
797779 	}
798
-	memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
799780 
800781 	tei.task = task;
801782 	tei.hdr = &mvi->slot[tag];
....@@ -904,9 +885,9 @@
904885 	switch (task->task_proto) {
905886 	case SAS_PROTOCOL_SMP:
906887 		dma_unmap_sg(mvi->dev, &task->smp_task.smp_resp, 1,
907
-			     PCI_DMA_FROMDEVICE);
888
+			     DMA_FROM_DEVICE);
908889 		dma_unmap_sg(mvi->dev, &task->smp_task.smp_req, 1,
909
-			     PCI_DMA_TODEVICE);
890
+			     DMA_TO_DEVICE);
910891 		break;
911892 
912893 	case SAS_PROTOCOL_SATA:
....@@ -1210,7 +1191,7 @@
12101191 	mvi_device->dev_type = dev->dev_type;
12111192 	mvi_device->mvi_info = mvi;
12121193 	mvi_device->sas_device = dev;
1213
-	if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) {
1194
+	if (parent_dev && dev_is_expander(parent_dev->dev_type)) {
12141195 		int phy_id;
12151196 		u8 phy_num = parent_dev->ex_dev.num_phys;
12161197 		struct ex_phy *phy;
....@@ -1333,7 +1314,7 @@
13331314 		}
13341315 
13351316 		if (task->task_status.resp == SAS_TASK_COMPLETE &&
1336
-		    task->task_status.stat == SAM_STAT_GOOD) {
1317
+		    task->task_status.stat == SAS_SAM_STAT_GOOD) {
13371318 			res = TMF_RESP_FUNC_COMPLETE;
13381319 			break;
13391320 		}
....@@ -1423,7 +1404,7 @@
14231404 {
14241405 	unsigned long flags;
14251406 	int rc = TMF_RESP_FUNC_FAILED;
1426
-    struct mvs_device * mvi_dev = (struct mvs_device *)dev->lldd_dev;
1407
+	struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev;
14271408 	struct mvs_info *mvi = mvi_dev->mvi_info;
14281409 
14291410 	if (mvi_dev->dev_status != MVS_DEV_EH)
....@@ -1558,7 +1539,7 @@
15581539 
15591540 int mvs_abort_task_set(struct domain_device *dev, u8 *lun)
15601541 {
1561
-	int rc = TMF_RESP_FUNC_FAILED;
1542
+	int rc;
15621543 	struct mvs_tmf_task tmf_task;
15631544 
15641545 	tmf_task.tmf = TMF_ABORT_TASK_SET;
....@@ -1783,7 +1764,7 @@
17831764 	case SAS_PROTOCOL_SSP:
17841765 		/* hw says status == 0, datapres == 0 */
17851766 		if (rx_desc & RXQ_GOOD) {
1786
-			tstat->stat = SAM_STAT_GOOD;
1767
+			tstat->stat = SAS_SAM_STAT_GOOD;
17871768 			tstat->resp = SAS_TASK_COMPLETE;
17881769 		}
17891770 		/* response frame present */
....@@ -1792,12 +1773,12 @@
17921773 						sizeof(struct mvs_err_info);
17931774 			sas_ssp_task_response(mvi->dev, task, iu);
17941775 		} else
1795
-			tstat->stat = SAM_STAT_CHECK_CONDITION;
1776
+			tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
17961777 		break;
17971778 
17981779 	case SAS_PROTOCOL_SMP: {
17991780 			struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1800
-			tstat->stat = SAM_STAT_GOOD;
1781
+			tstat->stat = SAS_SAM_STAT_GOOD;
18011782 			to = kmap_atomic(sg_page(sg_resp));
18021783 			memcpy(to + sg_resp->offset,
18031784 				slot->response + sizeof(struct mvs_err_info),
....@@ -1814,7 +1795,7 @@
18141795 		}
18151796 
18161797 	default:
1817
-		tstat->stat = SAM_STAT_CHECK_CONDITION;
1798
+		tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
18181799 		break;
18191800 	}
18201801 	if (!slot->port->port_attached) {
....@@ -1897,7 +1878,6 @@
18971878 	struct mvs_info *mvi = mwq->mvi;
18981879 	unsigned long flags;
18991880 	u32 phy_no = (unsigned long) mwq->data;
1900
-	struct sas_ha_struct *sas_ha = mvi->sas;
19011881 	struct mvs_phy *phy = &mvi->phy[phy_no];
19021882 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
19031883 
....@@ -1906,28 +1886,27 @@
19061886 
19071887 		if (phy->phy_event & PHY_PLUG_OUT) {
19081888 			u32 tmp;
1909
-			struct sas_identify_frame *id;
1910
-			id = (struct sas_identify_frame *)phy->frame_rcvd;
1889
+
19111890 			tmp = MVS_CHIP_DISP->read_phy_ctl(mvi, phy_no);
19121891 			phy->phy_event &= ~PHY_PLUG_OUT;
19131892 			if (!(tmp & PHY_READY_MASK)) {
19141893 				sas_phy_disconnected(sas_phy);
19151894 				mvs_phy_disconnected(phy);
1916
-				sas_ha->notify_phy_event(sas_phy,
1917
-					PHYE_LOSS_OF_SIGNAL);
1895
+				sas_notify_phy_event_gfp(sas_phy,
1896
+					PHYE_LOSS_OF_SIGNAL, GFP_ATOMIC);
19181897 				mv_dprintk("phy%d Removed Device\n", phy_no);
19191898 			} else {
19201899 				MVS_CHIP_DISP->detect_porttype(mvi, phy_no);
19211900 				mvs_update_phyinfo(mvi, phy_no, 1);
1922
-				mvs_bytes_dmaed(mvi, phy_no);
1901
+				mvs_bytes_dmaed(mvi, phy_no, GFP_ATOMIC);
19231902 				mvs_port_notify_formed(sas_phy, 0);
19241903 				mv_dprintk("phy%d Attached Device\n", phy_no);
19251904 			}
19261905 		}
19271906 	} else if (mwq->handler & EXP_BRCT_CHG) {
19281907 		phy->phy_event &= ~EXP_BRCT_CHG;
1929
-		sas_ha->notify_port_event(sas_phy,
1930
-				PORTE_BROADCAST_RCVD);
1908
+		sas_notify_port_event_gfp(sas_phy,
1909
+				PORTE_BROADCAST_RCVD, GFP_ATOMIC);
19311910 		mv_dprintk("phy%d Got Broadcast Change\n", phy_no);
19321911 	}
19331912 	list_del(&mwq->entry);
....@@ -2044,7 +2023,7 @@
20442023 				mdelay(10);
20452024 			}
20462025 
2047
-			mvs_bytes_dmaed(mvi, phy_no);
2026
+			mvs_bytes_dmaed(mvi, phy_no, GFP_ATOMIC);
20482027 			/* whether driver is going to handle hot plug */
20492028 			if (phy->phy_event & PHY_PLUG_OUT) {
20502029 				mvs_port_notify_formed(&phy->sas_phy, 0);