1/*
2 *  linux/drivers/message/fusion/mptbase.h
3 *      High performance SCSI + LAN / Fibre Channel device drivers.
4 *      For use with PCI chip/adapter(s):
5 *          LSIFC9xx/LSI409xx Fibre Channel
6 *      running LSI Fusion MPT (Message Passing Technology) firmware.
7 *
8 *  Copyright (c) 1999-2008 LSI Corporation
9 *  (mailto:DL-MPTFusionLinux@lsi.com)
10 *
11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14    This program is free software; you can redistribute it and/or modify
15    it under the terms of the GNU General Public License as published by
16    the Free Software Foundation; version 2 of the License.
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.
22
23    NO WARRANTY
24    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28    solely responsible for determining the appropriateness of using and
29    distributing the Program and assumes all risks associated with its
30    exercise of rights under this Agreement, including but not limited to
31    the risks and costs of program errors, damage to or loss of data,
32    programs or equipment, and unavailability or interruption of operations.
33
34    DISCLAIMER OF LIABILITY
35    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43    You should have received a copy of the GNU General Public License
44    along with this program; if not, write to the Free Software
45    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
46*/
47
48#ifndef MPTBASE_H_INCLUDED
49#define MPTBASE_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
52#include <linux/kernel.h>
53#include <linux/pci.h>
54#include <linux/mutex.h>
55
56#include "lsi/mpi_type.h"
57#include "lsi/mpi.h"		/* Fusion MPI(nterface) basic defs */
58#include "lsi/mpi_ioc.h"	/* Fusion MPT IOC(ontroller) defs */
59#include "lsi/mpi_cnfg.h"	/* IOC configuration support */
60#include "lsi/mpi_init.h"	/* SCSI Host (initiator) protocol support */
61#include "lsi/mpi_lan.h"	/* LAN over FC protocol support */
62#include "lsi/mpi_raid.h"	/* Integrated Mirroring support */
63
64#include "lsi/mpi_fc.h"		/* Fibre Channel (lowlevel) support */
65#include "lsi/mpi_targ.h"	/* SCSI/FCP Target protcol support */
66#include "lsi/mpi_tool.h"	/* Tools support */
67#include "lsi/mpi_sas.h"	/* SAS support */
68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70
71#ifndef MODULEAUTHOR
72#define MODULEAUTHOR	"LSI Corporation"
73#endif
74
75#ifndef COPYRIGHT
76#define COPYRIGHT	"Copyright (c) 1999-2008 " MODULEAUTHOR
77#endif
78
79#define MPT_LINUX_VERSION_COMMON	"3.04.20"
80#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.20"
81#define WHAT_MAGIC_STRING		"@" "(" "#" ")"
82
83#define show_mptmod_ver(s,ver)  \
84	printk(KERN_INFO "%s %s\n", s, ver);
85
86/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87/*
88 *  Fusion MPT(linux) driver configurable stuff...
89 */
90#define MPT_MAX_ADAPTERS		18
91#define MPT_MAX_PROTOCOL_DRIVERS	16
92#define MPT_MAX_CALLBACKNAME_LEN	49
93#define MPT_MAX_BUS			1	/* Do not change */
94#define MPT_MAX_FC_DEVICES		255
95#define MPT_MAX_SCSI_DEVICES		16
96#define MPT_LAST_LUN			255
97#define MPT_SENSE_BUFFER_ALLOC		64
98	/* allow for 256 max sense alloc, but only 255 max request */
99#if MPT_SENSE_BUFFER_ALLOC >= 256
100#	undef MPT_SENSE_BUFFER_ALLOC
101#	define MPT_SENSE_BUFFER_ALLOC	256
102#	define MPT_SENSE_BUFFER_SIZE	255
103#else
104#	define MPT_SENSE_BUFFER_SIZE	MPT_SENSE_BUFFER_ALLOC
105#endif
106
107#define MPT_NAME_LENGTH			32
108#define MPT_KOBJ_NAME_LEN		20
109
110#define MPT_PROCFS_MPTBASEDIR		"mpt"
111						/* chg it to "driver/fusion" ? */
112#define MPT_PROCFS_SUMMARY_ALL_NODE		MPT_PROCFS_MPTBASEDIR "/summary"
113#define MPT_PROCFS_SUMMARY_ALL_PATHNAME		"/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
114#define MPT_FW_REV_MAGIC_ID_STRING		"FwRev="
115
116#define  MPT_MAX_REQ_DEPTH		1023
117#define  MPT_DEFAULT_REQ_DEPTH		256
118#define  MPT_MIN_REQ_DEPTH		128
119
120#define  MPT_MAX_REPLY_DEPTH		MPT_MAX_REQ_DEPTH
121#define  MPT_DEFAULT_REPLY_DEPTH	128
122#define  MPT_MIN_REPLY_DEPTH		8
123#define  MPT_MAX_REPLIES_PER_ISR	32
124
125#define  MPT_MAX_FRAME_SIZE		128
126#define  MPT_DEFAULT_FRAME_SIZE		128
127
128#define  MPT_REPLY_FRAME_SIZE		0x50  /* Must be a multiple of 8 */
129
130#define  MPT_SG_REQ_128_SCALE		1
131#define  MPT_SG_REQ_96_SCALE		2
132#define  MPT_SG_REQ_64_SCALE		4
133
134#define	 CAN_SLEEP			1
135#define  NO_SLEEP			0
136
137#define MPT_COALESCING_TIMEOUT		0x10
138
139
140/*
141 * SCSI transfer rate defines.
142 */
143#define MPT_ULTRA320			0x08
144#define MPT_ULTRA160			0x09
145#define MPT_ULTRA2			0x0A
146#define MPT_ULTRA			0x0C
147#define MPT_FAST			0x19
148#define MPT_SCSI			0x32
149#define MPT_ASYNC			0xFF
150
151#define MPT_NARROW			0
152#define MPT_WIDE			1
153
154#define C0_1030				0x08
155#define XL_929				0x01
156
157
158/*
159 *	Try to keep these at 2^N-1
160 */
161#define MPT_FC_CAN_QUEUE	1024
162#define MPT_SCSI_CAN_QUEUE	127
163#define MPT_SAS_CAN_QUEUE	127
164
165/*
166 * Set the MAX_SGE value based on user input.
167 */
168#ifdef CONFIG_FUSION_MAX_SGE
169#if CONFIG_FUSION_MAX_SGE  < 16
170#define MPT_SCSI_SG_DEPTH	16
171#elif CONFIG_FUSION_MAX_SGE  > 128
172#define MPT_SCSI_SG_DEPTH	128
173#else
174#define MPT_SCSI_SG_DEPTH	CONFIG_FUSION_MAX_SGE
175#endif
176#else
177#define MPT_SCSI_SG_DEPTH	40
178#endif
179
180#ifdef CONFIG_FUSION_MAX_FC_SGE
181#if CONFIG_FUSION_MAX_FC_SGE  < 16
182#define MPT_SCSI_FC_SG_DEPTH	16
183#elif CONFIG_FUSION_MAX_FC_SGE  > 256
184#define MPT_SCSI_FC_SG_DEPTH	256
185#else
186#define MPT_SCSI_FC_SG_DEPTH	CONFIG_FUSION_MAX_FC_SGE
187#endif
188#else
189#define MPT_SCSI_FC_SG_DEPTH	40
190#endif
191
192/* debug print string length used for events and iocstatus */
193# define EVENT_DESCR_STR_SZ             100
194
195#define MPT_POLLING_INTERVAL		1000	/* in milliseconds */
196
197#ifdef __KERNEL__	/* { */
198/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
199
200#include <linux/proc_fs.h>
201
202/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
203/*
204 * Attempt semi-consistent error & warning msgs across
205 * MPT drivers.  NOTE: Users of these macro defs must
206 * themselves define their own MYNAM.
207 */
208#define MYIOC_s_FMT			MYNAM ": %s: "
209#define MYIOC_s_DEBUG_FMT		KERN_DEBUG MYNAM ": %s: "
210#define MYIOC_s_INFO_FMT		KERN_INFO MYNAM ": %s: "
211#define MYIOC_s_NOTE_FMT		KERN_NOTICE MYNAM ": %s: "
212#define MYIOC_s_WARN_FMT		KERN_WARNING MYNAM ": %s: WARNING - "
213#define MYIOC_s_ERR_FMT			KERN_ERR MYNAM ": %s: ERROR - "
214
215/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
216/*
217 *  ATTO UL4D associated structures and defines
218 */
219#define ATTOFLAG_DISC     0x0001
220#define ATTOFLAG_TAGGED   0x0002
221#define ATTOFLAG_WIDE_ENB 0x0008
222#define ATTOFLAG_ID_ENB   0x0010
223#define ATTOFLAG_LUN_ENB  0x0060
224
225typedef struct _ATTO_DEVICE_INFO
226{
227	u8	Offset;					/* 00h */
228	u8	Period;					/* 01h */
229	u16	ATTOFlags;				/* 02h */
230} ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
231  ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
232
233typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
234{
235	CONFIG_PAGE_HEADER	Header;			/* 00h */
236	u16			PortFlags;		/* 04h */
237	u16			Unused1;		/* 06h */
238	u32			Unused2;		/* 08h */
239	ATTO_DEVICE_INFO	DeviceSettings[16];	/* 0Ch */
240} fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
241  ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
242
243
244/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
245/*
246 *  MPT protocol driver defs...
247 */
248typedef enum {
249	MPTBASE_DRIVER,		/* MPT base class */
250	MPTCTL_DRIVER,		/* MPT ioctl class */
251	MPTSPI_DRIVER,		/* MPT SPI host class */
252	MPTFC_DRIVER,		/* MPT FC host class */
253	MPTSAS_DRIVER,		/* MPT SAS host class */
254	MPTLAN_DRIVER,		/* MPT LAN class */
255	MPTSTM_DRIVER,		/* MPT SCSI target mode class */
256	MPTUNKNOWN_DRIVER
257} MPT_DRIVER_CLASS;
258
259struct mpt_pci_driver{
260	int  (*probe) (struct pci_dev *dev);
261	void (*remove) (struct pci_dev *dev);
262};
263
264/*
265 *  MPT adapter / port / bus / device info structures...
266 */
267
268typedef union _MPT_FRAME_TRACKER {
269	struct {
270		struct list_head	list;
271		u32			 arg1;
272		u32			 pad;
273		void			*argp1;
274	} linkage;
275	/*
276	 * NOTE: When request frames are free, on the linkage structure
277	 * contents are valid.  All other values are invalid.
278	 * In particular, do NOT reply on offset [2]
279	 * (in words) being the * message context.
280	 * The message context must be reset (computed via base address
281	 * + an offset) prior to issuing any command.
282	 *
283	 * NOTE2: On non-32-bit systems, where pointers are LARGE,
284	 * using the linkage pointers destroys our sacred MsgContext
285	 * field contents.  But we don't care anymore because these
286	 * are now reset in mpt_put_msg_frame() just prior to sending
287	 * a request off to the IOC.
288	 */
289	struct {
290		u32 __hdr[2];
291		/*
292		 * The following _MUST_ match the location of the
293		 * MsgContext field in the MPT message headers.
294		 */
295		union {
296			u32		 MsgContext;
297			struct {
298				u16	 req_idx;	/* Request index */
299				u8	 cb_idx;	/* callback function index */
300				u8	 rsvd;
301			} fld;
302		} msgctxu;
303	} hwhdr;
304	/*
305	 * Remark: 32 bit identifier:
306	 *  31-24: reserved
307	 *  23-16: call back index
308	 *  15-0 : request index
309	 */
310} MPT_FRAME_TRACKER;
311
312/*
313 *  We might want to view/access a frame as:
314 *    1) generic request header
315 *    2) SCSIIORequest
316 *    3) SCSIIOReply
317 *    4) MPIDefaultReply
318 *    5) frame tracker
319 */
320typedef struct _MPT_FRAME_HDR {
321	union {
322		MPIHeader_t		hdr;
323		SCSIIORequest_t		scsireq;
324		SCSIIOReply_t		sreply;
325		ConfigReply_t		configreply;
326		MPIDefaultReply_t	reply;
327		MPT_FRAME_TRACKER	frame;
328	} u;
329} MPT_FRAME_HDR;
330
331#define MPT_REQ_MSGFLAGS_DROPME		0x80
332
333typedef struct _MPT_SGL_HDR {
334	SGESimple32_t	 sge[1];
335} MPT_SGL_HDR;
336
337typedef struct _MPT_SGL64_HDR {
338	SGESimple64_t	 sge[1];
339} MPT_SGL64_HDR;
340
341/*
342 *  System interface register set
343 */
344
345typedef struct _SYSIF_REGS
346{
347	u32	Doorbell;	/* 00     System<->IOC Doorbell reg  */
348	u32	WriteSequence;	/* 04     Write Sequence register    */
349	u32	Diagnostic;	/* 08     Diagnostic register        */
350	u32	TestBase;	/* 0C     Test Base Address          */
351	u32	DiagRwData;	/* 10     Read Write Data (fw download)   */
352	u32	DiagRwAddress;	/* 14     Read Write Address (fw download)*/
353	u32	Reserved1[6];	/* 18-2F  reserved for future use    */
354	u32	IntStatus;	/* 30     Interrupt Status           */
355	u32	IntMask;	/* 34     Interrupt Mask             */
356	u32	Reserved2[2];	/* 38-3F  reserved for future use    */
357	u32	RequestFifo;	/* 40     Request Post/Free FIFO     */
358	u32	ReplyFifo;	/* 44     Reply   Post/Free FIFO     */
359	u32	RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
360	u32	Reserved3;	/* 4C-4F  reserved for future use    */
361	u32	HostIndex;	/* 50     Host Index register        */
362	u32	Reserved4[15];	/* 54-8F                             */
363	u32	Fubar;		/* 90     For Fubar usage            */
364	u32	Reserved5[1050];/* 94-10F8                           */
365	u32	Reset_1078;	/* 10FC   Reset 1078                 */
366} SYSIF_REGS;
367
368/*
369 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
370 * in conjunction with SYSIF_REGS accesses!
371 */
372
373
374/*
375 *	Dynamic Multi-Pathing specific stuff...
376 */
377
378/* VirtTarget negoFlags field */
379#define MPT_TARGET_NO_NEGO_WIDE		0x01
380#define MPT_TARGET_NO_NEGO_SYNC		0x02
381#define MPT_TARGET_NO_NEGO_QAS		0x04
382#define MPT_TAPE_NEGO_IDP     		0x08
383
384/*
385 *	VirtDevice - FC LUN device or SCSI target device
386 */
387typedef struct _VirtTarget {
388	struct scsi_target	*starget;
389	u8			 tflags;
390	u8			 ioc_id;
391	u8			 id;
392	u8			 channel;
393	u8			 minSyncFactor;	/* 0xFF is async */
394	u8			 maxOffset;	/* 0 if async */
395	u8			 maxWidth;	/* 0 if narrow, 1 if wide */
396	u8			 negoFlags;	/* bit field, see above */
397	u8			 raidVolume;	/* set, if RAID Volume */
398	u8			 type;		/* byte 0 of Inquiry data */
399	u8			 deleted;	/* target in process of being removed */
400	u8			 inDMD;		/* currently in the device
401						   removal delay timer */
402	u32			 num_luns;
403} VirtTarget;
404
405typedef struct _VirtDevice {
406	VirtTarget		*vtarget;
407	u8			 configured_lun;
408	u64			 lun;
409} VirtDevice;
410
411/*
412 *  Fibre Channel (SCSI) target device and associated defines...
413 */
414#define MPT_TARGET_DEFAULT_DV_STATUS	0x00
415#define MPT_TARGET_FLAGS_VALID_NEGO	0x01
416#define MPT_TARGET_FLAGS_VALID_INQUIRY	0x02
417#define MPT_TARGET_FLAGS_Q_YES		0x08
418#define MPT_TARGET_FLAGS_VALID_56	0x10
419#define MPT_TARGET_FLAGS_SAF_TE_ISSUED	0x20
420#define MPT_TARGET_FLAGS_RAID_COMPONENT	0x40
421#define MPT_TARGET_FLAGS_LED_ON		0x80
422
423/*
424 *	IOCTL structure and associated defines
425 */
426
427#define MPTCTL_RESET_OK			0x01	/* Issue Bus Reset */
428
429#define MPT_MGMT_STATUS_RF_VALID	0x01	/* The Reply Frame is VALID */
430#define MPT_MGMT_STATUS_COMMAND_GOOD	0x02	/* Command Status GOOD */
431#define MPT_MGMT_STATUS_PENDING		0x04	/* command is pending */
432#define MPT_MGMT_STATUS_DID_IOCRESET	0x08	/* IOC Reset occurred
433						   on the current*/
434#define MPT_MGMT_STATUS_SENSE_VALID	0x10	/* valid sense info */
435#define MPT_MGMT_STATUS_TIMER_ACTIVE	0x20	/* obsolete */
436#define MPT_MGMT_STATUS_FREE_MF		0x40	/* free the mf from
437						   complete routine */
438
439#define INITIALIZE_MGMT_STATUS(status) \
440	status = MPT_MGMT_STATUS_PENDING;
441#define CLEAR_MGMT_STATUS(status) \
442	status = 0;
443#define CLEAR_MGMT_PENDING_STATUS(status) \
444	status &= ~MPT_MGMT_STATUS_PENDING;
445#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
446	msg_context = value;
447
448typedef struct _MPT_MGMT {
449	struct mutex		 mutex;
450	struct completion	 done;
451	u8			 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
452	u8			 sense[MPT_SENSE_BUFFER_ALLOC];
453	u8			 status;	/* current command status */
454	int			 completion_code;
455	u32			 msg_context;
456} MPT_MGMT;
457
458/*
459 *  Event Structure and define
460 */
461#define MPTCTL_EVENT_LOG_SIZE		(0x000000032)
462typedef struct _mpt_ioctl_events {
463	u32	event;		/* Specified by define above */
464	u32	eventContext;	/* Index or counter */
465	u32	data[2];	/* First 8 bytes of Event Data */
466} MPT_IOCTL_EVENTS;
467
468/*
469 * CONFIGPARM status  defines
470 */
471#define MPT_CONFIG_GOOD		MPI_IOCSTATUS_SUCCESS
472#define MPT_CONFIG_ERROR	0x002F
473
474/*
475 *	Substructure to store SCSI specific configuration page data
476 */
477						/* dvStatus defines: */
478#define MPT_SCSICFG_USE_NVRAM		0x01	/* WriteSDP1 using NVRAM */
479#define MPT_SCSICFG_ALL_IDS		0x02	/* WriteSDP1 to all IDS */
480/* #define MPT_SCSICFG_BLK_NEGO		0x10	   WriteSDP1 with WDTR and SDTR disabled */
481
482typedef	struct _SpiCfgData {
483	u32		 PortFlags;
484	int		*nvram;			/* table of device NVRAM values */
485	IOCPage4_t	*pIocPg4;		/* SEP devices addressing */
486	dma_addr_t	 IocPg4_dma;		/* Phys Addr of IOCPage4 data */
487	int		 IocPg4Sz;		/* IOCPage4 size */
488	u8		 minSyncFactor;		/* 0xFF if async */
489	u8		 maxSyncOffset;		/* 0 if async */
490	u8		 maxBusWidth;		/* 0 if narrow, 1 if wide */
491	u8		 busType;		/* SE, LVD, HD */
492	u8		 sdp1version;		/* SDP1 version */
493	u8		 sdp1length;		/* SDP1 length  */
494	u8		 sdp0version;		/* SDP0 version */
495	u8		 sdp0length;		/* SDP0 length  */
496	u8		 dvScheduled;		/* 1 if scheduled */
497	u8		 noQas;			/* Disable QAS for this adapter */
498	u8		 Saf_Te;		/* 1 to force all Processors as
499						 * SAF-TE if Inquiry data length
500						 * is too short to check for SAF-TE
501						 */
502	u8		 bus_reset;		/* 1 to allow bus reset */
503	u8		 rsvd[1];
504}SpiCfgData;
505
506typedef	struct _SasCfgData {
507	u8		 ptClear;		/* 1 to automatically clear the
508						 * persistent table.
509						 * 0 to disable
510						 * automatic clearing.
511						 */
512}SasCfgData;
513
514/*
515 * Inactive volume link list of raid component data
516 * @inactive_list
517 */
518struct inactive_raid_component_info {
519	struct 	 list_head list;
520	u8		 volumeID;		/* volume target id */
521	u8		 volumeBus;		/* volume channel */
522	IOC_3_PHYS_DISK	 d;			/* phys disk info */
523};
524
525typedef	struct _RaidCfgData {
526	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
527	IOCPage3_t	*pIocPg3;		/* table of physical disks */
528	struct mutex	inactive_list_mutex;
529	struct list_head	inactive_list; /* link list for physical
530						disk that belong in
531						inactive volumes */
532}RaidCfgData;
533
534typedef struct _FcCfgData {
535	/* will ultimately hold fc_port_page0 also */
536	struct {
537		FCPortPage1_t	*data;
538		dma_addr_t	 dma;
539		int		 pg_sz;
540	}			 fc_port_page1[2];
541} FcCfgData;
542
543#define MPT_RPORT_INFO_FLAGS_REGISTERED	0x01	/* rport registered */
544#define MPT_RPORT_INFO_FLAGS_MISSING	0x02	/* missing from DevPage0 scan */
545
546/*
547 * data allocated for each fc rport device
548 */
549struct mptfc_rport_info
550{
551	struct list_head list;
552	struct fc_rport *rport;
553	struct scsi_target *starget;
554	FCDevicePage0_t pg0;
555	u8		flags;
556};
557
558/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
559
560/*
561 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
562 * Private to the driver.
563 */
564
565#define MPT_HOST_BUS_UNKNOWN		(0xFF)
566#define MPT_HOST_TOO_MANY_TM		(0x05)
567#define MPT_HOST_NVRAM_INVALID		(0xFFFFFFFF)
568#define MPT_HOST_NO_CHAIN		(0xFFFFFFFF)
569#define MPT_NVRAM_MASK_TIMEOUT		(0x000000FF)
570#define MPT_NVRAM_SYNC_MASK		(0x0000FF00)
571#define MPT_NVRAM_SYNC_SHIFT		(8)
572#define MPT_NVRAM_DISCONNECT_ENABLE	(0x00010000)
573#define MPT_NVRAM_ID_SCAN_ENABLE	(0x00020000)
574#define MPT_NVRAM_LUN_SCAN_ENABLE	(0x00040000)
575#define MPT_NVRAM_TAG_QUEUE_ENABLE	(0x00080000)
576#define MPT_NVRAM_WIDE_DISABLE		(0x00100000)
577#define MPT_NVRAM_BOOT_CHOICE		(0x00200000)
578
579typedef enum {
580	FC,
581	SPI,
582	SAS
583} BUS_TYPE;
584
585typedef struct _MPT_SCSI_HOST {
586	struct _MPT_ADAPTER		 *ioc;
587	ushort			  sel_timeout[MPT_MAX_FC_DEVICES];
588	char			  *info_kbuf;
589	long			  last_queue_full;
590	u16			  spi_pending;
591	struct list_head	  target_reset_list;
592} MPT_SCSI_HOST;
593
594typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
595typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
596		dma_addr_t dma_addr);
597typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
598typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd);
599
600/*
601 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
602 */
603typedef struct _MPT_ADAPTER
604{
605	int			 id;		/* Unique adapter id N {0,1,2,...} */
606	int			 pci_irq;	/* This irq           */
607	char			 name[MPT_NAME_LENGTH];	/* "iocN"             */
608	const char		 *prod_name;	/* "LSIFC9x9"         */
609#ifdef CONFIG_FUSION_LOGGING
610	/* used in mpt_display_event_info */
611	char			 evStr[EVENT_DESCR_STR_SZ];
612#endif
613	char			 board_name[16];
614	char			 board_assembly[16];
615	char			 board_tracer[16];
616	u16			 nvdata_version_persistent;
617	u16			 nvdata_version_default;
618	int			 debug_level;
619	u8			 io_missing_delay;
620	u16			 device_missing_delay;
621	SYSIF_REGS __iomem	*chip;		/* == c8817000 (mmap) */
622	SYSIF_REGS __iomem	*pio_chip;	/* Programmed IO (downloadboot) */
623	u8			 bus_type;
624	u32			 mem_phys;	/* == f4020000 (mmap) */
625	u32			 pio_mem_phys;	/* Programmed IO (downloadboot) */
626	int			 mem_size;	/* mmap memory size */
627	int			 number_of_buses;
628	int			 devices_per_bus;
629	int			 alloc_total;
630	u32			 last_state;
631	int			 active;
632	u8			*alloc;		/* frames alloc ptr */
633	dma_addr_t		 alloc_dma;
634	u32			 alloc_sz;
635	MPT_FRAME_HDR		*reply_frames;	/* Reply msg frames - rounded up! */
636	u32			 reply_frames_low_dma;
637	int			 reply_depth;	/* Num Allocated reply frames */
638	int			 reply_sz;	/* Reply frame size */
639	int			 num_chain;	/* Number of chain buffers */
640	MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
641						   function */
642	MPT_ADD_CHAIN		 add_chain;	/* Pointer to add_chain
643						   function */
644		/* Pool of buffers for chaining. ReqToChain
645		 * and ChainToChain track index of chain buffers.
646		 * ChainBuffer (DMA) virt/phys addresses.
647		 * FreeChainQ (lock) locking mechanisms.
648		 */
649	int			*ReqToChain;
650	int			*RequestNB;
651	int			*ChainToChain;
652	u8			*ChainBuffer;
653	dma_addr_t		 ChainBufferDMA;
654	struct list_head	 FreeChainQ;
655	spinlock_t		 FreeChainQlock;
656		/* We (host driver) get to manage our own RequestQueue! */
657	dma_addr_t		 req_frames_dma;
658	MPT_FRAME_HDR		*req_frames;	/* Request msg frames - rounded up! */
659	u32			 req_frames_low_dma;
660	int			 req_depth;	/* Number of request frames */
661	int			 req_sz;	/* Request frame size (bytes) */
662	spinlock_t		 FreeQlock;
663	struct list_head	 FreeQ;
664		/* Pool of SCSI sense buffers for commands coming from
665		 * the SCSI mid-layer.  We have one 256 byte sense buffer
666		 * for each REQ entry.
667		 */
668	u8			*sense_buf_pool;
669	dma_addr_t		 sense_buf_pool_dma;
670	u32			 sense_buf_low_dma;
671	u8			*HostPageBuffer; /* SAS - host page buffer support */
672	u32			HostPageBuffer_sz;
673	dma_addr_t		HostPageBuffer_dma;
674	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
675	int			bars;		/* bitmask of BAR's that must be configured */
676	int			msi_enable;
677	u8			__iomem *memmap;	/* mmap address */
678	struct Scsi_Host	*sh;		/* Scsi Host pointer */
679	SpiCfgData		spi_data;	/* Scsi config. data */
680	RaidCfgData		raid_data;	/* Raid config. data */
681	SasCfgData		sas_data;	/* Sas config. data */
682	FcCfgData		fc_data;	/* Fc config. data */
683	struct proc_dir_entry	*ioc_dentry;
684	struct _MPT_ADAPTER	*alt_ioc;	/* ptr to 929 bound adapter port */
685	u32			 biosVersion;	/* BIOS version from IO Unit Page 2 */
686	int			 eventTypes;	/* Event logging parameters */
687	int			 eventContext;	/* Next event context */
688	int			 eventLogSize;	/* Max number of cached events */
689	struct _mpt_ioctl_events *events;	/* pointer to event log */
690	u8			*cached_fw;	/* Pointer to FW */
691	dma_addr_t	 	cached_fw_dma;
692	int			 hs_reply_idx;
693#ifndef MFCNT
694	u32			 pad0;
695#else
696	u32			 mfcnt;
697#endif
698	u32			 NB_for_64_byte_frame;
699	u32			 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
700	u16			 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
701	IOCFactsReply_t		 facts;
702	PortFactsReply_t	 pfacts[2];
703	FCPortPage0_t		 fc_port_page0[2];
704	LANPage0_t		 lan_cnfg_page0;
705	LANPage1_t		 lan_cnfg_page1;
706
707	u8			 ir_firmware; /* =1 if IR firmware detected */
708	/*
709	 * Description: errata_flag_1064
710	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
711	 * a split completion for a read data, an internal address pointer incorrectly
712	 * increments by 32 bytes
713	 */
714	int			 errata_flag_1064;
715	int			 aen_event_read_flag; /* flag to indicate event log was read*/
716	u8			 FirstWhoInit;
717	u8			 upload_fw;	/* If set, do a fw upload */
718	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
719	u8			 pad1[4];
720	u8			 DoneCtx;
721	u8			 TaskCtx;
722	u8			 InternalCtx;
723	struct list_head	 list;
724	struct net_device	*netdev;
725	struct list_head	 sas_topology;
726	struct mutex		 sas_topology_mutex;
727
728	struct workqueue_struct	*fw_event_q;
729	struct list_head	 fw_event_list;
730	spinlock_t		 fw_event_lock;
731	u8			 fw_events_off; /* if '1', then ignore events */
732	char 			 fw_event_q_name[MPT_KOBJ_NAME_LEN];
733
734	struct mutex		 sas_discovery_mutex;
735	u8			 sas_discovery_runtime;
736	u8			 sas_discovery_ignore_events;
737
738	/* port_info object for the host */
739	struct mptsas_portinfo	*hba_port_info;
740	u64			 hba_port_sas_addr;
741	u16			 hba_port_num_phy;
742	struct list_head	 sas_device_info_list;
743	struct mutex		 sas_device_info_mutex;
744	u8			 old_sas_discovery_protocal;
745	u8			 sas_discovery_quiesce_io;
746	int			 sas_index; /* index refrencing */
747	MPT_MGMT		 sas_mgmt;
748	MPT_MGMT		 mptbase_cmds; /* for sending config pages */
749	MPT_MGMT		 internal_cmds;
750	MPT_MGMT		 taskmgmt_cmds;
751	MPT_MGMT		 ioctl_cmds;
752	spinlock_t		 taskmgmt_lock; /* diagnostic reset lock */
753	int			 taskmgmt_in_progress;
754	u8			 taskmgmt_quiesce_io;
755	u8			 ioc_reset_in_progress;
756	u8			 reset_status;
757	u8			 wait_on_reset_completion;
758	MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
759	MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
760
761	struct work_struct	 fc_setup_reset_work;
762	struct list_head	 fc_rports;
763	struct work_struct	 fc_lsc_work;
764	u8			 fc_link_speed[2];
765	spinlock_t		 fc_rescan_work_lock;
766	struct work_struct	 fc_rescan_work;
767	char			 fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
768	struct workqueue_struct *fc_rescan_work_q;
769
770	/* driver forced bus resets count */
771	unsigned long		  hard_resets;
772	/* fw/external bus resets count */
773	unsigned long		  soft_resets;
774	/* cmd timeouts */
775	unsigned long		  timeouts;
776
777	struct scsi_cmnd	**ScsiLookup;
778	spinlock_t		  scsi_lookup_lock;
779	u64			dma_mask;
780	u32			  broadcast_aen_busy;
781	char			 reset_work_q_name[MPT_KOBJ_NAME_LEN];
782	struct workqueue_struct *reset_work_q;
783	struct delayed_work	 fault_reset_work;
784
785	u8			sg_addr_size;
786	u8			in_rescan;
787	u8			SGE_size;
788
789} MPT_ADAPTER;
790
791/*
792 *  New return value convention:
793 *    1 = Ok to free associated request frame
794 *    0 = not Ok ...
795 */
796typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
797typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
798typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
799/* reset_phase defs */
800#define MPT_IOC_PRE_RESET		0
801#define MPT_IOC_POST_RESET		1
802#define MPT_IOC_SETUP_RESET		2
803
804/*
805 * Invent MPT host event (super-set of MPI Events)
806 * Fitted to 1030's 64-byte [max] request frame size
807 */
808typedef struct _MPT_HOST_EVENT {
809	EventNotificationReply_t	 MpiEvent;	/* 8 32-bit words! */
810	u32				 pad[6];
811	void				*next;
812} MPT_HOST_EVENT;
813
814#define MPT_HOSTEVENT_IOC_BRINGUP	0x91
815#define MPT_HOSTEVENT_IOC_RECOVER	0x92
816
817/* Define the generic types based on the size
818 * of the dma_addr_t type.
819 */
820typedef struct _mpt_sge {
821	u32		FlagsLength;
822	dma_addr_t	Address;
823} MptSge_t;
824
825
826#define mpt_msg_flags(ioc) \
827	(ioc->sg_addr_size == sizeof(u64)) ?		\
828	MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : 		\
829	MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
830
831#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
832	(MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
833
834/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
835/*
836 *  Funky (private) macros...
837 */
838#include "mptdebug.h"
839
840#define MPT_INDEX_2_MFPTR(ioc,idx) \
841	(MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
842
843#define MFPTR_2_MPT_INDEX(ioc,mf) \
844	(int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
845
846#define MPT_INDEX_2_RFPTR(ioc,idx) \
847	(MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
848
849/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
850
851#define SCSI_STD_SENSE_BYTES    18
852#define SCSI_STD_INQUIRY_BYTES  36
853#define SCSI_MAX_INQUIRY_BYTES  96
854
855/*
856 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
857 * Private to the driver.
858 */
859/* LOCAL structure and fields used when processing
860 * internally generated commands. These include:
861 * bus scan, dv and config requests.
862 */
863typedef struct _MPT_LOCAL_REPLY {
864	ConfigPageHeader_t header;
865	int	completion;
866	u8	sense[SCSI_STD_SENSE_BYTES];
867	u8	scsiStatus;
868	u8	skip;
869	u32	pad;
870} MPT_LOCAL_REPLY;
871
872
873/* The TM_STATE variable is used to provide strict single threading of TM
874 * requests as well as communicate TM error conditions.
875 */
876#define TM_STATE_NONE          (0)
877#define	TM_STATE_IN_PROGRESS   (1)
878#define	TM_STATE_ERROR	       (2)
879
880/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
881/*
882 *	More Dynamic Multi-Pathing stuff...
883 */
884
885/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
886struct scsi_cmnd;
887
888/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
889/*
890 * Generic structure passed to the base mpt_config function.
891 */
892typedef struct _x_config_parms {
893	union {
894		ConfigExtendedPageHeader_t	*ehdr;
895		ConfigPageHeader_t	*hdr;
896	} cfghdr;
897	dma_addr_t		 physAddr;
898	u32			 pageAddr;	/* properly formatted */
899	u16			 status;
900	u8			 action;
901	u8			 dir;
902	u8			 timeout;	/* seconds */
903} CONFIGPARMS;
904
905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
906/*
907 *  Public entry points...
908 */
909extern int	 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
910extern void	 mpt_detach(struct pci_dev *pdev);
911#ifdef CONFIG_PM
912extern int	 mpt_suspend(struct pci_dev *pdev, pm_message_t state);
913extern int	 mpt_resume(struct pci_dev *pdev);
914#endif
915extern u8	 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
916		char *func_name);
917extern void	 mpt_deregister(u8 cb_idx);
918extern int	 mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
919extern void	 mpt_event_deregister(u8 cb_idx);
920extern int	 mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
921extern void	 mpt_reset_deregister(u8 cb_idx);
922extern int	 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
923extern void	 mpt_device_driver_deregister(u8 cb_idx);
924extern MPT_FRAME_HDR	*mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
925extern void	 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
926extern void	 mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
927extern void	 mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
928
929extern int	 mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
930extern int	 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
931extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
932extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
933extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
934extern int	 mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
935extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
936extern int	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
937extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
938extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
939extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
940extern int	 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
941extern int	mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
942		pRaidPhysDiskPage1_t phys_disk);
943extern int	mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
944		u8 phys_disk_num);
945extern int	 mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
946extern void	 mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
947extern void __noreturn mpt_halt_firmware(MPT_ADAPTER *ioc);
948
949
950/*
951 *  Public data decl's...
952 */
953extern struct list_head	  ioc_list;
954extern int mpt_fwfault_debug;
955
956/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
957#endif		/* } __KERNEL__ */
958
959#ifdef CONFIG_64BIT
960#define CAST_U32_TO_PTR(x)	((void *)(u64)x)
961#define CAST_PTR_TO_U32(x)	((u32)(u64)x)
962#else
963#define CAST_U32_TO_PTR(x)	((void *)x)
964#define CAST_PTR_TO_U32(x)	((u32)x)
965#endif
966
967#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
968	((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)	? 'I' : 'i',	\
969	((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)	? 'T' : 't',	\
970	((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)		? 'L' : 'l',	\
971	((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)	? 'B' : 'b'
972
973/*
974 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
975 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
976 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
977 */
978#define MPT_TRANSFER_IOC_TO_HOST		(0x00000000)
979#define MPT_TRANSFER_HOST_TO_IOC		(0x04000000)
980#define MPT_SGE_FLAGS_LAST_ELEMENT		(0x80000000)
981#define MPT_SGE_FLAGS_END_OF_BUFFER		(0x40000000)
982#define MPT_SGE_FLAGS_LOCAL_ADDRESS		(0x08000000)
983#define MPT_SGE_FLAGS_DIRECTION			(0x04000000)
984#define MPT_SGE_FLAGS_END_OF_LIST		(0x01000000)
985
986#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT	(0x00000000)
987#define MPT_SGE_FLAGS_SIMPLE_ELEMENT		(0x10000000)
988#define MPT_SGE_FLAGS_CHAIN_ELEMENT		(0x30000000)
989#define MPT_SGE_FLAGS_ELEMENT_MASK		(0x30000000)
990
991#define MPT_SGE_FLAGS_SSIMPLE_READ \
992	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
993	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
994	 MPT_SGE_FLAGS_END_OF_LIST |	\
995	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
996	 MPT_TRANSFER_IOC_TO_HOST)
997#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
998	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
999	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
1000	 MPT_SGE_FLAGS_END_OF_LIST |	\
1001	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
1002	 MPT_TRANSFER_HOST_TO_IOC)
1003
1004/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1005#endif
1006
1007