forked from ~ljy/RK356X_SDK_RELEASE
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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/scsi/megaraid/megaraid_mbox.c
....@@ -1,13 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *
34  *			Linux MegaRAID device driver
45  *
56  * Copyright (c) 2003-2004  LSI Logic Corporation.
6
- *
7
- *	   This program is free software; you can redistribute it and/or
8
- *	   modify it under the terms of the GNU General Public License
9
- *	   as published by the Free Software Foundation; either version
10
- *	   2 of the License, or (at your option) any later version.
117  *
128  * FILE		: megaraid_mbox.c
139  * Version	: v2.20.5.1 (Nov 16 2006)
....@@ -37,7 +33,6 @@
3733  * Dell PERC 4e/Di			1028	0013	1028	0170
3834  * Dell PERC 4e/DC			1000	0408	1028	0002
3935  * Dell PERC 4e/SC			1000	0408	1028	0001
40
- *
4136  *
4237  * LSI MegaRAID SCSI 320-0		1000	1960	1000	A520
4338  * LSI MegaRAID SCSI 320-1		1000	1960	1000	0520
....@@ -202,13 +197,6 @@
202197 MODULE_PARM_DESC(debug_level, "Debug level for driver (default=0)");
203198 
204199 /*
205
- * ### global data ###
206
- */
207
-static uint8_t megaraid_mbox_version[8] =
208
-	{ 0x02, 0x20, 0x04, 0x06, 3, 7, 20, 5 };
209
-
210
-
211
-/*
212200  * PCI table for all supported controllers.
213201  */
214202 static struct pci_device_id pci_id_table_g[] =  {
....@@ -314,8 +302,8 @@
314302 // definitions for the device attributes for exporting logical drive number
315303 // for a scsi address (Host, Channel, Id, Lun)
316304 
317
-DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
318
-		NULL);
305
+static DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
306
+		   NULL);
319307 
320308 // Host template initializer for megaraid mbox sysfs device attributes
321309 static struct device_attribute *megaraid_shost_attrs[] = {
....@@ -324,7 +312,7 @@
324312 };
325313 
326314 
327
-DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL);
315
+static DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL);
328316 
329317 // Host template initializer for megaraid mbox sysfs device attributes
330318 static struct device_attribute *megaraid_sdev_attrs[] = {
....@@ -343,7 +331,6 @@
343331 	.eh_abort_handler		= megaraid_abort_handler,
344332 	.eh_host_reset_handler		= megaraid_reset_handler,
345333 	.change_queue_depth		= scsi_change_queue_depth,
346
-	.use_clustering			= ENABLE_CLUSTERING,
347334 	.no_write_same			= 1,
348335 	.sdev_attrs			= megaraid_sdev_attrs,
349336 	.shost_attrs			= megaraid_shost_attrs,
....@@ -457,10 +444,9 @@
457444 
458445 	// Setup the default DMA mask. This would be changed later on
459446 	// depending on hardware capabilities
460
-	if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(32)) != 0) {
461
-
447
+	if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(32))) {
462448 		con_log(CL_ANN, (KERN_WARNING
463
-			"megaraid: pci_set_dma_mask failed:%d\n", __LINE__));
449
+			"megaraid: dma_set_mask failed:%d\n", __LINE__));
464450 
465451 		goto out_free_adapter;
466452 	}
....@@ -484,7 +470,7 @@
484470 	// Start the mailbox based controller
485471 	if (megaraid_init_mbox(adapter) != 0) {
486472 		con_log(CL_ANN, (KERN_WARNING
487
-			"megaraid: maibox adapter did not initialize\n"));
473
+			"megaraid: mailbox adapter did not initialize\n"));
488474 
489475 		goto out_free_adapter;
490476 	}
....@@ -745,7 +731,7 @@
745731 		goto out_free_raid_dev;
746732 	}
747733 
748
-	raid_dev->baseaddr = ioremap_nocache(raid_dev->baseport, 128);
734
+	raid_dev->baseaddr = ioremap(raid_dev->baseport, 128);
749735 
750736 	if (!raid_dev->baseaddr) {
751737 
....@@ -878,11 +864,12 @@
878864 		adapter->pdev->device == PCI_DEVICE_ID_PERC4_DI_EVERGLADES) ||
879865 		(adapter->pdev->vendor == PCI_VENDOR_ID_DELL &&
880866 		adapter->pdev->device == PCI_DEVICE_ID_PERC4E_DI_KOBUK)) {
881
-		if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(64))) {
867
+		if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(64))) {
882868 			con_log(CL_ANN, (KERN_WARNING
883869 				"megaraid: DMA mask for 64-bit failed\n"));
884870 
885
-			if (pci_set_dma_mask (adapter->pdev, DMA_BIT_MASK(32))) {
871
+			if (dma_set_mask(&adapter->pdev->dev,
872
+						DMA_BIT_MASK(32))) {
886873 				con_log(CL_ANN, (KERN_WARNING
887874 					"megaraid: 32-bit DMA mask failed\n"));
888875 				goto out_free_sysfs_res;
....@@ -950,7 +937,7 @@
950937  * megaraid_alloc_cmd_packets - allocate shared mailbox
951938  * @adapter		: soft state of the raid controller
952939  *
953
- * Allocate and align the shared mailbox. This maibox is used to issue
940
+ * Allocate and align the shared mailbox. This mailbox is used to issue
954941  * all the commands. For IO based controllers, the mailbox is also registered
955942  * with the FW. Allocate memory for all commands as well.
956943  * This is our big allocator.
....@@ -975,9 +962,10 @@
975962 	 * Allocate the common 16-byte aligned memory for the handshake
976963 	 * mailbox.
977964 	 */
978
-	raid_dev->una_mbox64 = pci_zalloc_consistent(adapter->pdev,
979
-						     sizeof(mbox64_t),
980
-						     &raid_dev->una_mbox64_dma);
965
+	raid_dev->una_mbox64 = dma_alloc_coherent(&adapter->pdev->dev,
966
+						  sizeof(mbox64_t),
967
+						  &raid_dev->una_mbox64_dma,
968
+						  GFP_KERNEL);
981969 
982970 	if (!raid_dev->una_mbox64) {
983971 		con_log(CL_ANN, (KERN_WARNING
....@@ -1003,8 +991,8 @@
1003991 			align;
1004992 
1005993 	// Allocate memory for commands issued internally
1006
-	adapter->ibuf = pci_zalloc_consistent(pdev, MBOX_IBUF_SIZE,
1007
-					      &adapter->ibuf_dma_h);
994
+	adapter->ibuf = dma_alloc_coherent(&pdev->dev, MBOX_IBUF_SIZE,
995
+					   &adapter->ibuf_dma_h, GFP_KERNEL);
1008996 	if (!adapter->ibuf) {
1009997 
1010998 		con_log(CL_ANN, (KERN_WARNING
....@@ -1082,7 +1070,7 @@
10821070 
10831071 		scb->scp		= NULL;
10841072 		scb->state		= SCB_FREE;
1085
-		scb->dma_direction	= PCI_DMA_NONE;
1073
+		scb->dma_direction	= DMA_NONE;
10861074 		scb->dma_type		= MRAID_DMA_NONE;
10871075 		scb->dev_channel	= -1;
10881076 		scb->dev_target		= -1;
....@@ -1098,10 +1086,10 @@
10981086 out_free_scb_list:
10991087 	kfree(adapter->kscb_list);
11001088 out_free_ibuf:
1101
-	pci_free_consistent(pdev, MBOX_IBUF_SIZE, (void *)adapter->ibuf,
1089
+	dma_free_coherent(&pdev->dev, MBOX_IBUF_SIZE, (void *)adapter->ibuf,
11021090 		adapter->ibuf_dma_h);
11031091 out_free_common_mbox:
1104
-	pci_free_consistent(adapter->pdev, sizeof(mbox64_t),
1092
+	dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t),
11051093 		(caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma);
11061094 
11071095 	return -1;
....@@ -1123,10 +1111,10 @@
11231111 
11241112 	kfree(adapter->kscb_list);
11251113 
1126
-	pci_free_consistent(adapter->pdev, MBOX_IBUF_SIZE,
1114
+	dma_free_coherent(&adapter->pdev->dev, MBOX_IBUF_SIZE,
11271115 		(void *)adapter->ibuf, adapter->ibuf_dma_h);
11281116 
1129
-	pci_free_consistent(adapter->pdev, sizeof(mbox64_t),
1117
+	dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t),
11301118 		(caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma);
11311119 	return;
11321120 }
....@@ -1250,8 +1238,7 @@
12501238 		dma_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr,
12511239 			sg_pci_blk[i].dma_addr);
12521240 	}
1253
-	if (raid_dev->sg_pool_handle)
1254
-		dma_pool_destroy(raid_dev->sg_pool_handle);
1241
+	dma_pool_destroy(raid_dev->sg_pool_handle);
12551242 
12561243 
12571244 	epthru_pci_blk = raid_dev->epthru_pool;
....@@ -1259,8 +1246,7 @@
12591246 		dma_pool_free(raid_dev->epthru_pool_handle,
12601247 			epthru_pci_blk[i].vaddr, epthru_pci_blk[i].dma_addr);
12611248 	}
1262
-	if (raid_dev->epthru_pool_handle)
1263
-		dma_pool_destroy(raid_dev->epthru_pool_handle);
1249
+	dma_pool_destroy(raid_dev->epthru_pool_handle);
12641250 
12651251 
12661252 	mbox_pci_blk = raid_dev->mbox_pool;
....@@ -1268,8 +1254,7 @@
12681254 		dma_pool_free(raid_dev->mbox_pool_handle,
12691255 			mbox_pci_blk[i].vaddr, mbox_pci_blk[i].dma_addr);
12701256 	}
1271
-	if (raid_dev->mbox_pool_handle)
1272
-		dma_pool_destroy(raid_dev->mbox_pool_handle);
1257
+	dma_pool_destroy(raid_dev->mbox_pool_handle);
12731258 
12741259 	return;
12751260 }
....@@ -1427,12 +1412,6 @@
14271412 	mbox->cmdid = scb->sno;
14281413 
14291414 	adapter->outstanding_cmds++;
1430
-
1431
-	if (scb->dma_direction == PCI_DMA_TODEVICE)
1432
-		pci_dma_sync_sg_for_device(adapter->pdev,
1433
-					   scsi_sglist(scb->scp),
1434
-					   scsi_sg_count(scb->scp),
1435
-					   PCI_DMA_TODEVICE);
14361415 
14371416 	mbox->busy	= 1;	// Set busy
14381417 	mbox->poll	= 0;
....@@ -1602,7 +1581,7 @@
16021581 				return NULL;
16031582 			}
16041583 
1605
-			/* Fall through */
1584
+			fallthrough;
16061585 
16071586 		case READ_CAPACITY:
16081587 			/*
....@@ -2181,31 +2160,6 @@
21812160 
21822161 
21832162 /**
2184
- * megaraid_mbox_sync_scb - sync kernel buffers
2185
- * @adapter	: controller's soft state
2186
- * @scb		: pointer to the resource packet
2187
- *
2188
- * DMA sync if required.
2189
- */
2190
-static void
2191
-megaraid_mbox_sync_scb(adapter_t *adapter, scb_t *scb)
2192
-{
2193
-	mbox_ccb_t	*ccb;
2194
-
2195
-	ccb	= (mbox_ccb_t *)scb->ccb;
2196
-
2197
-	if (scb->dma_direction == PCI_DMA_FROMDEVICE)
2198
-		pci_dma_sync_sg_for_cpu(adapter->pdev,
2199
-					scsi_sglist(scb->scp),
2200
-					scsi_sg_count(scb->scp),
2201
-					PCI_DMA_FROMDEVICE);
2202
-
2203
-	scsi_dma_unmap(scb->scp);
2204
-	return;
2205
-}
2206
-
2207
-
2208
-/**
22092163  * megaraid_mbox_dpc - the tasklet to complete the commands from completed list
22102164  * @devp	: pointer to HBA soft state
22112165  *
....@@ -2403,9 +2357,7 @@
24032357 			megaraid_mbox_display_scb(adapter, scb);
24042358 		}
24052359 
2406
-		// Free our internal resources and call the mid-layer callback
2407
-		// routine
2408
-		megaraid_mbox_sync_scb(adapter, scb);
2360
+		scsi_dma_unmap(scp);
24092361 
24102362 		// remove from local clist
24112363 		list_del_init(&scb->list);
....@@ -2577,7 +2529,6 @@
25772529 	uint8_t		raw_mbox[sizeof(mbox_t)];
25782530 	int		rval;
25792531 	int		recovery_window;
2580
-	int		recovering;
25812532 	int		i;
25822533 	uioc_t		*kioc;
25832534 
....@@ -2590,7 +2541,6 @@
25902541 			"megaraid: hw error, cannot reset\n"));
25912542 		return FAILED;
25922543 	}
2593
-
25942544 
25952545 	// Under exceptional conditions, FW can take up to 3 minutes to
25962546 	// complete command processing. Wait for additional 2 minutes for the
....@@ -2639,8 +2589,6 @@
26392589 	}
26402590 
26412591 	recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
2642
-
2643
-	recovering = adapter->outstanding_cmds;
26442592 
26452593 	for (i = 0; i < recovery_window; i++) {
26462594 
....@@ -2725,13 +2673,10 @@
27252673 mbox_post_sync_cmd(adapter_t *adapter, uint8_t raw_mbox[])
27262674 {
27272675 	mraid_device_t	*raid_dev = ADAP2RAIDDEV(adapter);
2728
-	mbox64_t	*mbox64;
27292676 	mbox_t		*mbox;
27302677 	uint8_t		status;
27312678 	int		i;
27322679 
2733
-
2734
-	mbox64	= raid_dev->mbox64;
27352680 	mbox	= raid_dev->mbox;
27362681 
27372682 	/*
....@@ -2948,9 +2893,8 @@
29482893 	 * Issue an ENQUIRY3 command to find out certain adapter parameters,
29492894 	 * e.g., max channels, max commands etc.
29502895 	 */
2951
-	pinfo = pci_zalloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t),
2952
-				      &pinfo_dma_h);
2953
-
2896
+	pinfo = dma_alloc_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t),
2897
+				   &pinfo_dma_h, GFP_KERNEL);
29542898 	if (pinfo == NULL) {
29552899 		con_log(CL_ANN, (KERN_WARNING
29562900 			"megaraid: out of memory, %s %d\n", __func__,
....@@ -2971,7 +2915,7 @@
29712915 
29722916 		con_log(CL_ANN, (KERN_WARNING "megaraid: Inquiry3 failed\n"));
29732917 
2974
-		pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t),
2918
+		dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t),
29752919 			pinfo, pinfo_dma_h);
29762920 
29772921 		return -1;
....@@ -3002,7 +2946,7 @@
30022946 		con_log(CL_ANN, (KERN_WARNING
30032947 			"megaraid: product info failed\n"));
30042948 
3005
-		pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t),
2949
+		dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t),
30062950 			pinfo, pinfo_dma_h);
30072951 
30082952 		return -1;
....@@ -3038,7 +2982,7 @@
30382982 		"megaraid: fw version:[%s] bios version:[%s]\n",
30392983 		adapter->fw_version, adapter->bios_version));
30402984 
3041
-	pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), pinfo,
2985
+	dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo,
30422986 			pinfo_dma_h);
30432987 
30442988 	return 0;
....@@ -3135,7 +3079,6 @@
31353079 static int
31363080 megaraid_mbox_support_random_del(adapter_t *adapter)
31373081 {
3138
-	mbox_t		*mbox;
31393082 	uint8_t		raw_mbox[sizeof(mbox_t)];
31403083 	int		rval;
31413084 
....@@ -3156,8 +3099,6 @@
31563099 		con_log(CL_DLEVEL1, ("megaraid: disable random deletion\n"));
31573100 		return 0;
31583101 	}
3159
-
3160
-	mbox = (mbox_t *)raw_mbox;
31613102 
31623103 	memset((caddr_t)raw_mbox, 0, sizeof(mbox_t));
31633104 
....@@ -3263,11 +3204,7 @@
32633204 static void
32643205 megaraid_mbox_flush_cache(adapter_t *adapter)
32653206 {
3266
-	mbox_t	*mbox;
32673207 	uint8_t	raw_mbox[sizeof(mbox_t)];
3268
-
3269
-
3270
-	mbox = (mbox_t *)raw_mbox;
32713208 
32723209 	memset((caddr_t)raw_mbox, 0, sizeof(mbox_t));
32733210 
....@@ -3299,7 +3236,6 @@
32993236 	mbox_t	*mbox;
33003237 	uint8_t	raw_mbox[sizeof(mbox_t)];
33013238 	mraid_device_t	*raid_dev = ADAP2RAIDDEV(adapter);
3302
-	mbox64_t *mbox64;
33033239 	int	status = 0;
33043240 	int i;
33053241 	uint32_t dword;
....@@ -3310,7 +3246,6 @@
33103246 
33113247 	raw_mbox[0] = 0xFF;
33123248 
3313
-	mbox64	= raid_dev->mbox64;
33143249 	mbox	= raid_dev->mbox;
33153250 
33163251 	/* Wait until mailbox is free */
....@@ -3369,7 +3304,6 @@
33693304  * megaraid_mbox_display_scb - display SCB information, mostly debug purposes
33703305  * @adapter		: controller's soft state
33713306  * @scb			: SCB to be displayed
3372
- * @level		: debug level for console print
33733307  *
33743308  * Diplay information about the given SCB iff the current debug level is
33753309  * verbose.
....@@ -3515,7 +3449,7 @@
35153449 
35163450 		scb->scp		= NULL;
35173451 		scb->state		= SCB_FREE;
3518
-		scb->dma_direction	= PCI_DMA_NONE;
3452
+		scb->dma_direction	= DMA_NONE;
35193453 		scb->dma_type		= MRAID_DMA_NONE;
35203454 		scb->dev_channel	= -1;
35213455 		scb->dev_target		= -1;
....@@ -3653,7 +3587,7 @@
36533587 
36543588 	scb->state		= SCB_ACTIVE;
36553589 	scb->dma_type		= MRAID_DMA_NONE;
3656
-	scb->dma_direction	= PCI_DMA_NONE;
3590
+	scb->dma_direction	= DMA_NONE;
36573591 
36583592 	ccb		= (mbox_ccb_t *)scb->ccb;
36593593 	mbox64		= (mbox64_t *)(unsigned long)kioc->cmdbuf;
....@@ -3794,10 +3728,6 @@
37943728 static int
37953729 gather_hbainfo(adapter_t *adapter, mraid_hba_info_t *hinfo)
37963730 {
3797
-	uint8_t	dmajor;
3798
-
3799
-	dmajor			= megaraid_mbox_version[0];
3800
-
38013731 	hinfo->pci_vendor_id	= adapter->pdev->vendor;
38023732 	hinfo->pci_device_id	= adapter->pdev->device;
38033733 	hinfo->subsys_vendor_id	= adapter->pdev->subsystem_vendor;
....@@ -3843,8 +3773,8 @@
38433773 
38443774 	raid_dev->sysfs_mbox64 = kmalloc(sizeof(mbox64_t), GFP_KERNEL);
38453775 
3846
-	raid_dev->sysfs_buffer = pci_alloc_consistent(adapter->pdev,
3847
-			PAGE_SIZE, &raid_dev->sysfs_buffer_dma);
3776
+	raid_dev->sysfs_buffer = dma_alloc_coherent(&adapter->pdev->dev,
3777
+			PAGE_SIZE, &raid_dev->sysfs_buffer_dma, GFP_KERNEL);
38483778 
38493779 	if (!raid_dev->sysfs_uioc || !raid_dev->sysfs_mbox64 ||
38503780 		!raid_dev->sysfs_buffer) {
....@@ -3881,7 +3811,7 @@
38813811 	kfree(raid_dev->sysfs_mbox64);
38823812 
38833813 	if (raid_dev->sysfs_buffer) {
3884
-		pci_free_consistent(adapter->pdev, PAGE_SIZE,
3814
+		dma_free_coherent(&adapter->pdev->dev, PAGE_SIZE,
38853815 			raid_dev->sysfs_buffer, raid_dev->sysfs_buffer_dma);
38863816 	}
38873817 }
....@@ -4041,7 +3971,8 @@
40413971 
40423972 /**
40433973  * megaraid_sysfs_show_app_hndl - display application handle for this adapter
4044
- * @cdev	: class device object representation for the host
3974
+ * @dev		: class device object representation for the host
3975
+ * @attr	: device attribute (unused)
40453976  * @buf		: buffer to send data to
40463977  *
40473978  * Display the handle used by the applications while executing management