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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/scsi/smartpqi/smartpqi.h
....@@ -1,18 +1,11 @@
1
+/* SPDX-License-Identifier: GPL-2.0 */
12 /*
23  *    driver for Microsemi PQI-based storage controllers
3
- *    Copyright (c) 2016-2017 Microsemi Corporation
4
+ *    Copyright (c) 2019-2020 Microchip Technology Inc. and its subsidiaries
5
+ *    Copyright (c) 2016-2018 Microsemi Corporation
46  *    Copyright (c) 2016 PMC-Sierra, Inc.
57  *
6
- *    This program is free software; you can redistribute it and/or modify
7
- *    it under the terms of the GNU General Public License as published by
8
- *    the Free Software Foundation; version 2 of the License.
9
- *
10
- *    This program is distributed in the hope that it will be useful,
11
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
12
- *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13
- *    NON INFRINGEMENT.  See the GNU General Public License for more details.
14
- *
15
- *    Questions/Comments/Bugfixes to esc.storagedev@microsemi.com
8
+ *    Questions/Comments/Bugfixes to storagedev@microchip.com
169  *
1710  */
1811 
....@@ -20,6 +13,9 @@
2013 
2114 #if !defined(_SMARTPQI_H)
2215 #define _SMARTPQI_H
16
+
17
+#include <scsi/scsi_host.h>
18
+#include <linux/bsg-lib.h>
2319 
2420 #pragma pack(1)
2521 
....@@ -96,6 +92,12 @@
9692 	 */
9793 	struct pqi_device_registers pqi_registers;	/* 4000h */
9894 };
95
+
96
+#if ((HZ) < 1000)
97
+#define PQI_HZ  1000
98
+#else
99
+#define PQI_HZ  (HZ)
100
+#endif
99101 
100102 #define PQI_DEVICE_REGISTERS_OFFSET	0x4000
101103 
....@@ -274,7 +276,9 @@
274276 	u8	reserved4 : 2;
275277 	u8	additional_cdb_bytes_usage : 3;
276278 	u8	reserved5 : 3;
277
-	u8	cdb[32];
279
+	u8	cdb[16];
280
+	u8	reserved6[12];
281
+	__le32	timeout;
278282 	struct pqi_sg_descriptor
279283 		sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS];
280284 };
....@@ -347,14 +351,28 @@
347351 
348352 #define PQI_MAX_EVENT_DESCRIPTORS	255
349353 
354
+#define PQI_EVENT_OFA_MEMORY_ALLOCATION	0x0
355
+#define PQI_EVENT_OFA_QUIESCE		0x1
356
+#define PQI_EVENT_OFA_CANCELLED		0x2
357
+
350358 struct pqi_event_response {
351359 	struct pqi_iu_header header;
352360 	u8	event_type;
353361 	u8	reserved2 : 7;
354
-	u8	request_acknowlege : 1;
362
+	u8	request_acknowledge : 1;
355363 	__le16	event_id;
356364 	__le32	additional_event_id;
357
-	u8	data[16];
365
+	union {
366
+		struct {
367
+			__le32	bytes_requested;
368
+			u8	reserved[12];
369
+		} ofa_memory_allocation;
370
+
371
+		struct {
372
+			__le16	reason;		/* reason for cancellation */
373
+			u8	reserved[14];
374
+		} ofa_cancelled;
375
+	} data;
358376 };
359377 
360378 struct pqi_event_acknowledge_request {
....@@ -369,7 +387,8 @@
369387 	struct pqi_iu_header header;
370388 	__le16	request_id;
371389 	__le16	nexus_id;
372
-	u8	reserved[4];
390
+	u8	reserved[2];
391
+	__le16  timeout;
373392 	u8	lun_number[8];
374393 	__le16	protocol_specific;
375394 	__le16	outbound_queue_id_to_manage;
....@@ -387,6 +406,54 @@
387406 	__le16	nexus_id;
388407 	u8	additional_response_info[3];
389408 	u8	response_code;
409
+};
410
+
411
+struct pqi_vendor_general_request {
412
+	struct pqi_iu_header header;
413
+	__le16	request_id;
414
+	__le16	function_code;
415
+	union {
416
+		struct {
417
+			__le16	first_section;
418
+			__le16	last_section;
419
+			u8	reserved[48];
420
+		} config_table_update;
421
+
422
+		struct {
423
+			__le64	buffer_address;
424
+			__le32	buffer_length;
425
+			u8	reserved[40];
426
+		} ofa_memory_allocation;
427
+	} data;
428
+};
429
+
430
+struct pqi_vendor_general_response {
431
+	struct pqi_iu_header header;
432
+	__le16	request_id;
433
+	__le16	function_code;
434
+	__le16	status;
435
+	u8	reserved[2];
436
+};
437
+
438
+#define PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE	0
439
+#define PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE	1
440
+
441
+#define PQI_OFA_VERSION			1
442
+#define PQI_OFA_SIGNATURE		"OFA_QRM"
443
+#define PQI_OFA_MAX_SG_DESCRIPTORS	64
444
+
445
+#define PQI_OFA_MEMORY_DESCRIPTOR_LENGTH \
446
+	(offsetof(struct pqi_ofa_memory, sg_descriptor) + \
447
+	(PQI_OFA_MAX_SG_DESCRIPTORS * sizeof(struct pqi_sg_descriptor)))
448
+
449
+struct pqi_ofa_memory {
450
+	__le64	signature;	/* "OFA_QRM" */
451
+	__le16	version;	/* version of this struct (1 = 1st version) */
452
+	u8	reserved[62];
453
+	__le32	bytes_allocated;	/* total allocated memory in bytes */
454
+	__le16	num_memory_descriptors;
455
+	u8	reserved1[2];
456
+	struct pqi_sg_descriptor sg_descriptor[1];
390457 };
391458 
392459 struct pqi_aio_error_info {
....@@ -419,6 +486,7 @@
419486 #define PQI_REQUEST_IU_GENERAL_ADMIN			0x60
420487 #define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG	0x72
421488 #define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG		0x73
489
+#define PQI_REQUEST_IU_VENDOR_GENERAL			0x75
422490 #define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT		0xf6
423491 
424492 #define PQI_RESPONSE_IU_GENERAL_MANAGEMENT		0x81
....@@ -430,6 +498,7 @@
430498 #define PQI_RESPONSE_IU_AIO_PATH_IO_ERROR		0xf3
431499 #define PQI_RESPONSE_IU_AIO_PATH_DISABLED		0xf4
432500 #define PQI_RESPONSE_IU_VENDOR_EVENT			0xf5
501
+#define PQI_RESPONSE_IU_VENDOR_GENERAL			0xf7
433502 
434503 #define PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY	0x0
435504 #define PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ			0x10
....@@ -492,6 +561,7 @@
492561 #define PQI_EVENT_TYPE_HARDWARE			0x2
493562 #define PQI_EVENT_TYPE_PHYSICAL_DEVICE		0x4
494563 #define PQI_EVENT_TYPE_LOGICAL_DEVICE		0x5
564
+#define PQI_EVENT_TYPE_OFA			0xfb
495565 #define PQI_EVENT_TYPE_AIO_STATE_CHANGE		0xfd
496566 #define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE	0xfe
497567 
....@@ -556,6 +626,7 @@
556626 #define SOP_TASK_ATTRIBUTE_ACA			4
557627 
558628 #define SOP_TMF_COMPLETE		0x0
629
+#define SOP_TMF_REJECTED		0x4
559630 #define SOP_TMF_FUNCTION_SUCCEEDED	0x8
560631 
561632 /* additional CDB bytes usage field codes */
....@@ -644,11 +715,13 @@
644715 #define PQI_CONFIG_TABLE_MAX_LENGTH	((u16)~0)
645716 
646717 /* configuration table section IDs */
718
+#define PQI_CONFIG_TABLE_ALL_SECTIONS			(-1)
647719 #define PQI_CONFIG_TABLE_SECTION_GENERAL_INFO		0
648720 #define PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES	1
649721 #define PQI_CONFIG_TABLE_SECTION_FIRMWARE_ERRATA	2
650722 #define PQI_CONFIG_TABLE_SECTION_DEBUG			3
651723 #define PQI_CONFIG_TABLE_SECTION_HEARTBEAT		4
724
+#define PQI_CONFIG_TABLE_SECTION_SOFT_RESET		5
652725 
653726 struct pqi_config_table {
654727 	u8	signature[8];		/* "CFGTABLE" */
....@@ -680,6 +753,20 @@
680753 					/* command */
681754 };
682755 
756
+struct pqi_config_table_firmware_features {
757
+	struct pqi_config_table_section_header header;
758
+	__le16	num_elements;
759
+	u8	features_supported[];
760
+/*	u8	features_requested_by_host[]; */
761
+/*	u8	features_enabled[]; */
762
+};
763
+
764
+#define PQI_FIRMWARE_FEATURE_OFA			0
765
+#define PQI_FIRMWARE_FEATURE_SMP			1
766
+#define PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE	11
767
+#define PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT		13
768
+#define PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT		14
769
+
683770 struct pqi_config_table_debug {
684771 	struct pqi_config_table_section_header header;
685772 	__le32	scratchpad;
....@@ -688,6 +775,22 @@
688775 struct pqi_config_table_heartbeat {
689776 	struct pqi_config_table_section_header header;
690777 	__le32	heartbeat_counter;
778
+};
779
+
780
+struct pqi_config_table_soft_reset {
781
+	struct pqi_config_table_section_header header;
782
+	u8 soft_reset_status;
783
+};
784
+
785
+#define PQI_SOFT_RESET_INITIATE		0x1
786
+#define PQI_SOFT_RESET_ABORT		0x2
787
+
788
+enum pqi_soft_reset_status {
789
+	RESET_INITIATE_FIRMWARE,
790
+	RESET_INITIATE_DRIVER,
791
+	RESET_ABORT,
792
+	RESET_NORESPONSE,
793
+	RESET_TIMEDOUT
691794 };
692795 
693796 union pqi_reset_register {
....@@ -724,12 +827,20 @@
724827 #define PQI_HBA_BUS			2
725828 #define PQI_EXTERNAL_RAID_VOLUME_BUS	3
726829 #define PQI_MAX_BUS			PQI_EXTERNAL_RAID_VOLUME_BUS
830
+#define PQI_VSEP_CISS_BTL		379
727831 
728832 struct report_lun_header {
729833 	__be32	list_length;
730
-	u8	extended_response;
834
+	u8	flags;
731835 	u8	reserved[3];
732836 };
837
+
838
+/* for flags field of struct report_lun_header */
839
+#define CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID	(1 << 0)
840
+#define CISS_REPORT_LOG_FLAG_QUEUE_DEPTH	(1 << 5)
841
+#define CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX	(1 << 6)
842
+
843
+#define CISS_REPORT_PHYS_FLAG_OTHER		(1 << 1)
733844 
734845 struct report_log_lun_extended_entry {
735846 	u8	lunid[8];
....@@ -752,7 +863,7 @@
752863 };
753864 
754865 /* for device_flags field of struct report_phys_lun_extended_entry */
755
-#define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED	0x8
866
+#define CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED	0x8
756867 
757868 struct report_phys_lun_extended {
758869 	struct report_lun_header header;
....@@ -765,7 +876,7 @@
765876 	u8	reserved[2];
766877 };
767878 
768
-/* constants for flags field of RAID map */
879
+/* for flags field of RAID map */
769880 #define RAID_MAP_ENCRYPTION_ENABLED	0x1
770881 
771882 struct raid_map {
....@@ -810,13 +921,16 @@
810921 	u8	volume_id[16];
811922 	u8	is_physical_device : 1;
812923 	u8	is_external_raid_device : 1;
924
+	u8	is_expander_smp_device : 1;
813925 	u8	target_lun_valid : 1;
814926 	u8	device_gone : 1;
815927 	u8	new_device : 1;
816928 	u8	keep_device : 1;
817929 	u8	volume_offline : 1;
930
+	u8	rescan : 1;
818931 	bool	aio_enabled;		/* only valid for physical disks */
819932 	bool	in_reset;
933
+	bool	in_remove;
820934 	bool	device_offline;
821935 	u8	vendor[8];		/* bytes 8-15 of inquiry data */
822936 	u8	model[16];		/* bytes 16-31 of inquiry data */
....@@ -829,6 +943,9 @@
829943 	u8	active_path_index;
830944 	u8	path_map;
831945 	u8	bay;
946
+	u8	box_index;
947
+	u8	phys_box_on_bus;
948
+	u8	phy_connected_dev_type;
832949 	u8	box[8];
833950 	u16	phys_connector[8];
834951 	bool	raid_bypass_configured;	/* RAID bypass configured */
....@@ -846,11 +963,10 @@
846963 	struct list_head delete_list_entry;
847964 
848965 	atomic_t scsi_cmds_outstanding;
966
+	atomic_t raid_bypass_cnt;
849967 };
850968 
851969 /* VPD inquiry pages */
852
-#define SCSI_VPD_SUPPORTED_PAGES	0x0	/* standard page */
853
-#define SCSI_VPD_DEVICE_ID		0x83	/* standard page */
854970 #define CISS_VPD_LV_DEVICE_GEOMETRY	0xc1	/* vendor-specific page */
855971 #define CISS_VPD_LV_BYPASS_STATUS	0xc2	/* vendor-specific page */
856972 #define CISS_VPD_LV_STATUS		0xc3	/* vendor-specific page */
....@@ -916,6 +1032,7 @@
9161032 struct pqi_sas_port {
9171033 	struct list_head port_list_entry;
9181034 	u64	sas_address;
1035
+	struct pqi_scsi_dev *device;
9191036 	struct sas_port *port;
9201037 	int	next_phy_index;
9211038 	struct list_head phy_list_head;
....@@ -947,13 +1064,15 @@
9471064 	struct list_head request_list_entry;
9481065 };
9491066 
950
-#define PQI_NUM_SUPPORTED_EVENTS	6
1067
+#define PQI_NUM_SUPPORTED_EVENTS	7
9511068 
9521069 struct pqi_event {
9531070 	bool	pending;
9541071 	u8	event_type;
9551072 	__le16	event_id;
9561073 	__le32	additional_event_id;
1074
+	__le32	ofa_bytes_requested;
1075
+	__le16	ofa_cancel_reason;
9571076 };
9581077 
9591078 #define PQI_RESERVED_IO_SLOTS_LUN_RESET			1
....@@ -967,6 +1086,9 @@
9671086 	unsigned int	ctrl_id;
9681087 	struct pci_dev	*pci_dev;
9691088 	char		firmware_version[11];
1089
+	char		serial_number[17];
1090
+	char		model[17];
1091
+	char		vendor[9];
9701092 	void __iomem	*iomem_base;
9711093 	struct pqi_ctrl_registers __iomem *registers;
9721094 	struct pqi_device_registers __iomem *pqi_registers;
....@@ -1014,12 +1136,19 @@
10141136 
10151137 	struct mutex	scan_mutex;
10161138 	struct mutex	lun_reset_mutex;
1139
+	struct mutex	ofa_mutex; /* serialize ofa */
10171140 	bool		controller_online;
10181141 	bool		block_requests;
1142
+	bool		block_device_reset;
1143
+	bool		in_ofa;
1144
+	bool		in_shutdown;
10191145 	u8		inbound_spanning_supported : 1;
10201146 	u8		outbound_spanning_supported : 1;
10211147 	u8		pqi_mode_enabled : 1;
10221148 	u8		pqi_reset_quiesce_supported : 1;
1149
+	u8		soft_reset_handshake_supported : 1;
1150
+	u8		raid_iu_timeout_supported: 1;
1151
+	u8		tmf_iu_timeout_supported: 1;
10231152 
10241153 	struct list_head scsi_device_list;
10251154 	spinlock_t	scsi_device_list_lock;
....@@ -1040,6 +1169,7 @@
10401169 	int		previous_num_interrupts;
10411170 	u32		previous_heartbeat_count;
10421171 	__le32 __iomem	*heartbeat_counter;
1172
+	u8 __iomem	*soft_reset_status;
10431173 	struct timer_list heartbeat_timer;
10441174 	struct work_struct ctrl_offline_work;
10451175 
....@@ -1051,6 +1181,11 @@
10511181 	struct list_head raid_bypass_retry_list;
10521182 	spinlock_t	raid_bypass_retry_list_lock;
10531183 	struct work_struct raid_bypass_retry_work;
1184
+
1185
+	struct pqi_ofa_memory *pqi_ofa_mem_virt_addr;
1186
+	dma_addr_t	pqi_ofa_mem_dma_handle;
1187
+	void		**pqi_ofa_chunk_virt_addr;
1188
+	atomic_t	sync_cmds_outstanding;
10541189 };
10551190 
10561191 enum pqi_ctrl_mode {
....@@ -1069,10 +1204,6 @@
10691204 #define CISS_REPORT_PHYS	0xc3	/* Report Physical LUNs */
10701205 #define CISS_GET_RAID_MAP	0xc8
10711206 
1072
-/* constants for CISS_REPORT_LOG/CISS_REPORT_PHYS commands */
1073
-#define CISS_REPORT_LOG_EXTENDED		0x1
1074
-#define CISS_REPORT_PHYS_EXTENDED		0x2
1075
-
10761207 /* BMIC commands */
10771208 #define BMIC_IDENTIFY_CONTROLLER		0x11
10781209 #define BMIC_IDENTIFY_PHYSICAL_DEVICE		0x15
....@@ -1080,8 +1211,13 @@
10801211 #define BMIC_WRITE				0x27
10811212 #define BMIC_SENSE_CONTROLLER_PARAMETERS	0x64
10821213 #define BMIC_SENSE_SUBSYSTEM_INFORMATION	0x66
1214
+#define BMIC_CSMI_PASSTHRU			0x68
10831215 #define BMIC_WRITE_HOST_WELLNESS		0xa5
10841216 #define BMIC_FLUSH_CACHE			0xc2
1217
+#define BMIC_SET_DIAG_OPTIONS			0xf4
1218
+#define BMIC_SENSE_DIAG_OPTIONS			0xf5
1219
+
1220
+#define CSMI_CC_SAS_SMP_PASSTHRU		0x17
10851221 
10861222 #define SA_FLUSH_CACHE				0x1
10871223 
....@@ -1104,10 +1240,26 @@
11041240 	__le16	extended_logical_unit_count;
11051241 	u8	reserved1[34];
11061242 	__le16	firmware_build_number;
1107
-	u8	reserved2[100];
1243
+	u8	reserved2[8];
1244
+	u8	vendor_id[8];
1245
+	u8	product_id[16];
1246
+	u8	reserved3[68];
11081247 	u8	controller_mode;
1109
-	u8	reserved3[32];
1248
+	u8	reserved4[32];
11101249 };
1250
+
1251
+struct bmic_sense_subsystem_info {
1252
+	u8	reserved[44];
1253
+	u8	ctrl_serial_number[16];
1254
+};
1255
+
1256
+/* constants for device_type field */
1257
+#define SA_DEVICE_TYPE_SATA		0x1
1258
+#define SA_DEVICE_TYPE_SAS		0x2
1259
+#define SA_DEVICE_TYPE_EXPANDER_SMP	0x5
1260
+#define SA_DEVICE_TYPE_SES		0x6
1261
+#define SA_DEVICE_TYPE_CONTROLLER	0x7
1262
+#define SA_DEVICE_TYPE_NVME		0x9
11111263 
11121264 struct bmic_identify_physical_device {
11131265 	u8	scsi_bus;		/* SCSI Bus number on controller */
....@@ -1133,7 +1285,7 @@
11331285 	__le32	rpm;			/* drive rotational speed in RPM */
11341286 	u8	device_type;		/* type of drive */
11351287 	u8	sata_version;		/* only valid when device_type = */
1136
-					/* BMIC_DEVICE_TYPE_SATA */
1288
+					/* SA_DEVICE_TYPE_SATA */
11371289 	__le64	big_total_block_count;
11381290 	__le64	ris_starting_lba;
11391291 	__le32	ris_size;
....@@ -1189,6 +1341,50 @@
11891341 	u8	padding_to_multiple_of_512[9];
11901342 };
11911343 
1344
+struct bmic_smp_request {
1345
+	u8	frame_type;
1346
+	u8	function;
1347
+	u8	allocated_response_length;
1348
+	u8	request_length;
1349
+	u8	additional_request_bytes[1016];
1350
+};
1351
+
1352
+struct  bmic_smp_response {
1353
+	u8	frame_type;
1354
+	u8	function;
1355
+	u8	function_result;
1356
+	u8	response_length;
1357
+	u8	additional_response_bytes[1016];
1358
+};
1359
+
1360
+struct bmic_csmi_ioctl_header {
1361
+	__le32	header_length;
1362
+	u8	signature[8];
1363
+	__le32	timeout;
1364
+	__le32	control_code;
1365
+	__le32	return_code;
1366
+	__le32	length;
1367
+};
1368
+
1369
+struct bmic_csmi_smp_passthru {
1370
+	u8	phy_identifier;
1371
+	u8	port_identifier;
1372
+	u8	connection_rate;
1373
+	u8	reserved;
1374
+	__be64	destination_sas_address;
1375
+	__le32	request_length;
1376
+	struct bmic_smp_request request;
1377
+	u8	connection_status;
1378
+	u8	reserved1[3];
1379
+	__le32	response_length;
1380
+	struct bmic_smp_response response;
1381
+};
1382
+
1383
+struct bmic_csmi_smp_passthru_buffer {
1384
+	struct bmic_csmi_ioctl_header ioctl_header;
1385
+	struct bmic_csmi_smp_passthru parameters;
1386
+};
1387
+
11921388 struct bmic_flush_cache {
11931389 	u8	disable_flag;
11941390 	u8	system_power_action;
....@@ -1206,7 +1402,31 @@
12061402 	RESTART = 4
12071403 };
12081404 
1405
+struct bmic_diag_options {
1406
+	__le32 options;
1407
+};
1408
+
12091409 #pragma pack()
1410
+
1411
+static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info)
1412
+{
1413
+	atomic_inc(&ctrl_info->num_busy_threads);
1414
+}
1415
+
1416
+static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info)
1417
+{
1418
+	atomic_dec(&ctrl_info->num_busy_threads);
1419
+}
1420
+
1421
+static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost)
1422
+{
1423
+	void *hostdata = shost_priv(shost);
1424
+
1425
+	return *((struct pqi_ctrl_info **)hostdata);
1426
+}
1427
+
1428
+void pqi_sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
1429
+	struct sas_rphy *rphy);
12101430 
12111431 int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info);
12121432 void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info);
....@@ -1216,6 +1436,9 @@
12161436 struct pqi_scsi_dev *pqi_find_device_by_sas_rphy(
12171437 	struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy);
12181438 void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd);
1439
+int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info,
1440
+	struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length,
1441
+	struct pqi_raid_error_info *error_info);
12191442 
12201443 extern struct sas_function_template pqi_sas_transport_functions;
12211444