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 Logic Fusion MPT (Message Passing Technology) firmware.
8 * Copyright (c) 1999-2005 LSI Logic Corporation
9 * (mailto:mpt_linux_developer@lsil.com)
12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
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.
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.
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
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
48 #ifndef MPTBASE_H_INCLUDED
49 #define MPTBASE_H_INCLUDED
50 /*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
52 #include <linux/kernel.h>
53 #include <linux/pci.h>
55 #include "lsi/mpi_type.h"
56 #include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
57 #include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
58 #include "lsi/mpi_cnfg.h" /* IOC configuration support */
59 #include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
60 #include "lsi/mpi_lan.h" /* LAN over FC protocol support */
61 #include "lsi/mpi_raid.h" /* Integrated Mirroring support */
63 #include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
64 #include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
65 #include "lsi/mpi_tool.h" /* Tools support */
66 #include "lsi/mpi_sas.h" /* SAS support */
68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define MODULEAUTHOR "LSI Logic Corporation"
75 #define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR
78 #define MPT_LINUX_VERSION_COMMON "3.03.10"
79 #define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.10"
80 #define WHAT_MAGIC_STRING "@" "(" "#" ")"
82 #define show_mptmod_ver(s,ver) \
83 printk(KERN_INFO "%s %s\n", s, ver);
85 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87 * Fusion MPT(linux) driver configurable stuff...
89 #define MPT_MAX_ADAPTERS 18
90 #define MPT_MAX_PROTOCOL_DRIVERS 16
91 #define MPT_MAX_BUS 1 /* Do not change */
92 #define MPT_MAX_FC_DEVICES 255
93 #define MPT_MAX_SCSI_DEVICES 16
94 #define MPT_LAST_LUN 255
95 #define MPT_SENSE_BUFFER_ALLOC 64
96 /* allow for 256 max sense alloc, but only 255 max request */
97 #if MPT_SENSE_BUFFER_ALLOC >= 256
98 # undef MPT_SENSE_BUFFER_ALLOC
99 # define MPT_SENSE_BUFFER_ALLOC 256
100 # define MPT_SENSE_BUFFER_SIZE 255
102 # define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
105 #define MPT_NAME_LENGTH 32
107 #define MPT_PROCFS_MPTBASEDIR "mpt"
108 /* chg it to "driver/fusion" ? */
109 #define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
110 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
111 #define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
113 #define MPT_MAX_REQ_DEPTH 1023
114 #define MPT_DEFAULT_REQ_DEPTH 256
115 #define MPT_MIN_REQ_DEPTH 128
117 #define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
118 #define MPT_DEFAULT_REPLY_DEPTH 128
119 #define MPT_MIN_REPLY_DEPTH 8
120 #define MPT_MAX_REPLIES_PER_ISR 32
122 #define MPT_MAX_FRAME_SIZE 128
123 #define MPT_DEFAULT_FRAME_SIZE 128
125 #define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
127 #define MPT_SG_REQ_128_SCALE 1
128 #define MPT_SG_REQ_96_SCALE 2
129 #define MPT_SG_REQ_64_SCALE 4
134 #define MPT_COALESCING_TIMEOUT 0x10
137 * SCSI transfer rate defines.
139 #define MPT_ULTRA320 0x08
140 #define MPT_ULTRA160 0x09
141 #define MPT_ULTRA2 0x0A
142 #define MPT_ULTRA 0x0C
143 #define MPT_FAST 0x19
144 #define MPT_SCSI 0x32
145 #define MPT_ASYNC 0xFF
155 * Try to keep these at 2^N-1
157 #define MPT_FC_CAN_QUEUE 127
158 #define MPT_SCSI_CAN_QUEUE 127
161 * Set the MAX_SGE value based on user input.
163 #ifdef CONFIG_FUSION_MAX_SGE
164 #if CONFIG_FUSION_MAX_SGE < 16
165 #define MPT_SCSI_SG_DEPTH 16
166 #elif CONFIG_FUSION_MAX_SGE > 128
167 #define MPT_SCSI_SG_DEPTH 128
169 #define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
172 #define MPT_SCSI_SG_DEPTH 40
175 #ifdef __KERNEL__ /* { */
176 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
178 #include <linux/proc_fs.h>
180 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
182 * Attempt semi-consistent error & warning msgs across
183 * MPT drivers. NOTE: Users of these macro defs must
184 * themselves define their own MYNAM.
186 #define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
187 #define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
188 #define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
189 #define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
191 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
193 * MPT protocol driver defs...
196 MPTBASE_DRIVER, /* MPT base class */
197 MPTCTL_DRIVER, /* MPT ioctl class */
198 MPTSPI_DRIVER, /* MPT SPI host class */
199 MPTFC_DRIVER, /* MPT FC host class */
200 MPTSAS_DRIVER, /* MPT SAS host class */
201 MPTLAN_DRIVER, /* MPT LAN class */
202 MPTSTM_DRIVER, /* MPT SCSI target mode class */
206 struct mpt_pci_driver{
207 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
208 void (*remove) (struct pci_dev *dev);
212 * MPT adapter / port / bus / device info structures...
215 typedef union _MPT_FRAME_TRACKER {
217 struct list_head list;
223 * NOTE: When request frames are free, on the linkage structure
224 * contets are valid. All other values are invalid.
225 * In particular, do NOT reply on offset [2]
226 * (in words) being the * message context.
227 * The message context must be reset (computed via base address
228 * + an offset) prior to issuing any command.
230 * NOTE2: On non-32-bit systems, where pointers are LARGE,
231 * using the linkage pointers destroys our sacred MsgContext
232 * field contents. But we don't care anymore because these
233 * are now reset in mpt_put_msg_frame() just prior to sending
234 * a request off to the IOC.
239 * The following _MUST_ match the location of the
240 * MsgContext field in the MPT message headers.
245 u16 req_idx; /* Request index */
246 u8 cb_idx; /* callback function index */
252 * Remark: 32 bit identifier:
254 * 23-16: call back index
255 * 15-0 : request index
260 * We might want to view/access a frame as:
261 * 1) generic request header
267 typedef struct _MPT_FRAME_HDR {
270 SCSIIORequest_t scsireq;
271 SCSIIOReply_t sreply;
272 ConfigReply_t configreply;
273 MPIDefaultReply_t reply;
274 MPT_FRAME_TRACKER frame;
278 #define MPT_REQ_MSGFLAGS_DROPME 0x80
280 typedef struct _MPT_SGL_HDR {
281 SGESimple32_t sge[1];
284 typedef struct _MPT_SGL64_HDR {
285 SGESimple64_t sge[1];
289 * System interface register set
292 typedef struct _SYSIF_REGS
294 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
295 u32 WriteSequence; /* 04 Write Sequence register */
296 u32 Diagnostic; /* 08 Diagnostic register */
297 u32 TestBase; /* 0C Test Base Address */
298 u32 DiagRwData; /* 10 Read Write Data (fw download) */
299 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
300 u32 Reserved1[6]; /* 18-2F reserved for future use */
301 u32 IntStatus; /* 30 Interrupt Status */
302 u32 IntMask; /* 34 Interrupt Mask */
303 u32 Reserved2[2]; /* 38-3F reserved for future use */
304 u32 RequestFifo; /* 40 Request Post/Free FIFO */
305 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
306 u32 Reserved3[2]; /* 48-4F reserved for future use */
307 u32 HostIndex; /* 50 Host Index register */
308 u32 Reserved4[15]; /* 54-8F */
309 u32 Fubar; /* 90 For Fubar usage */
310 u32 Reserved5[27]; /* 94-FF */
314 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
315 * in conjunction with SYSIF_REGS accesses!
320 * Dynamic Multi-Pathing specific stuff...
323 /* VirtTarget negoFlags field */
324 #define MPT_TARGET_NO_NEGO_WIDE 0x01
325 #define MPT_TARGET_NO_NEGO_SYNC 0x02
326 #define MPT_TARGET_NO_NEGO_QAS 0x04
327 #define MPT_TAPE_NEGO_IDP 0x08
330 * VirtDevice - FC LUN device or SCSI target device
332 typedef struct _VirtTarget {
333 struct scsi_target *starget;
338 u8 minSyncFactor; /* 0xFF is async */
339 u8 maxOffset; /* 0 if async */
340 u8 maxWidth; /* 0 if narrow, 1 if wide */
341 u8 negoFlags; /* bit field, see above */
342 u8 raidVolume; /* set, if RAID Volume */
343 u8 type; /* byte 0 of Inquiry data */
345 u32 luns[8]; /* Max LUNs is 256 */
348 typedef struct _VirtDevice {
355 * Fibre Channel (SCSI) target device and associated defines...
357 #define MPT_TARGET_DEFAULT_DV_STATUS 0x00
358 #define MPT_TARGET_FLAGS_VALID_NEGO 0x01
359 #define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
360 #define MPT_TARGET_FLAGS_Q_YES 0x08
361 #define MPT_TARGET_FLAGS_VALID_56 0x10
362 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
363 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
366 * /proc/mpt interface
372 read_proc_t *read_proc;
373 write_proc_t *write_proc;
376 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
379 if (len < request) { \
385 *start = buf + offset; \
391 * IOCTL structure and associated defines
394 #define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/
395 #define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
396 #define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */
397 #define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */
398 #define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
399 #define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */
400 #define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */
402 #define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
404 typedef struct _MPT_IOCTL {
405 struct _MPT_ADAPTER *ioc;
406 u8 ReplyFrame[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
407 u8 sense[MPT_SENSE_BUFFER_ALLOC];
408 int wait_done; /* wake-up value for this ioc */
410 u8 status; /* current command status */
411 u8 reset; /* 1 if bus reset allowed */
412 u8 target; /* target for reset */
413 struct mutex ioctl_mutex;
416 #define MPT_SAS_MGMT_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
417 #define MPT_SAS_MGMT_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
418 #define MPT_SAS_MGMT_STATUS_TM_FAILED 0x40 /* User TM request failed */
420 typedef struct _MPT_SAS_MGMT {
422 struct completion done;
423 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
424 u8 status; /* current command status */
428 * Event Structure and define
430 #define MPTCTL_EVENT_LOG_SIZE (0x000000032)
431 typedef struct _mpt_ioctl_events {
432 u32 event; /* Specified by define above */
433 u32 eventContext; /* Index or counter */
434 int data[2]; /* First 8 bytes of Event Data */
438 * CONFIGPARM status defines
440 #define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
441 #define MPT_CONFIG_ERROR 0x002F
444 * Substructure to store SCSI specific configuration page data
446 /* dvStatus defines: */
447 #define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
448 #define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
449 /* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
451 typedef struct _SpiCfgData {
453 int *nvram; /* table of device NVRAM values */
454 IOCPage4_t *pIocPg4; /* SEP devices addressing */
455 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
456 int IocPg4Sz; /* IOCPage4 size */
457 u8 minSyncFactor; /* 0xFF if async */
458 u8 maxSyncOffset; /* 0 if async */
459 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
460 u8 busType; /* SE, LVD, HD */
461 u8 sdp1version; /* SDP1 version */
462 u8 sdp1length; /* SDP1 length */
463 u8 sdp0version; /* SDP0 version */
464 u8 sdp0length; /* SDP0 length */
465 u8 dvScheduled; /* 1 if scheduled */
466 u8 noQas; /* Disable QAS for this adapter */
467 u8 Saf_Te; /* 1 to force all Processors as
468 * SAF-TE if Inquiry data length
469 * is too short to check for SAF-TE
471 u8 bus_reset; /* 1 to allow bus reset */
475 typedef struct _SasCfgData {
476 u8 ptClear; /* 1 to automatically clear the
479 * automatic clearing.
483 typedef struct _RaidCfgData {
484 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
485 IOCPage3_t *pIocPg3; /* table of physical disks */
486 int isRaid; /* bit field, 1 if RAID */
489 typedef struct _FcCfgData {
490 /* will ultimately hold fc_port_page0 also */
498 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
499 #define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
502 * data allocated for each fc rport device
504 struct mptfc_rport_info
506 struct list_head list;
507 struct fc_rport *rport;
508 struct scsi_target *starget;
514 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
516 typedef struct _MPT_ADAPTER
518 int id; /* Unique adapter id N {0,1,2,...} */
519 int pci_irq; /* This irq */
520 char name[MPT_NAME_LENGTH]; /* "iocN" */
521 char *prod_name; /* "LSIFC9x9" */
522 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
523 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
525 u32 mem_phys; /* == f4020000 (mmap) */
526 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
527 int mem_size; /* mmap memory size */
531 u8 *alloc; /* frames alloc ptr */
532 dma_addr_t alloc_dma;
534 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
535 u32 reply_frames_low_dma;
536 int reply_depth; /* Num Allocated reply frames */
537 int reply_sz; /* Reply frame size */
538 int num_chain; /* Number of chain buffers */
539 /* Pool of buffers for chaining. ReqToChain
540 * and ChainToChain track index of chain buffers.
541 * ChainBuffer (DMA) virt/phys addresses.
542 * FreeChainQ (lock) locking mechanisms.
548 dma_addr_t ChainBufferDMA;
549 struct list_head FreeChainQ;
550 spinlock_t FreeChainQlock;
551 /* We (host driver) get to manage our own RequestQueue! */
552 dma_addr_t req_frames_dma;
553 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
554 u32 req_frames_low_dma;
555 int req_depth; /* Number of request frames */
556 int req_sz; /* Request frame size (bytes) */
557 spinlock_t FreeQlock;
558 struct list_head FreeQ;
559 /* Pool of SCSI sense buffers for commands coming from
560 * the SCSI mid-layer. We have one 256 byte sense buffer
561 * for each REQ entry.
564 dma_addr_t sense_buf_pool_dma;
565 u32 sense_buf_low_dma;
566 u8 *HostPageBuffer; /* SAS - host page buffer support */
567 u32 HostPageBuffer_sz;
568 dma_addr_t HostPageBuffer_dma;
570 struct pci_dev *pcidev; /* struct pci_dev pointer */
571 u8 __iomem *memmap; /* mmap address */
572 struct Scsi_Host *sh; /* Scsi Host pointer */
573 SpiCfgData spi_data; /* Scsi config. data */
574 RaidCfgData raid_data; /* Raid config. data */
575 SasCfgData sas_data; /* Sas config. data */
576 FcCfgData fc_data; /* Fc config. data */
577 MPT_IOCTL *ioctl; /* ioctl data pointer */
578 struct proc_dir_entry *ioc_dentry;
579 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
580 spinlock_t diagLock; /* diagnostic reset lock */
582 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
583 int eventTypes; /* Event logging parameters */
584 int eventContext; /* Next event context */
585 int eventLogSize; /* Max number of cached events */
586 struct _mpt_ioctl_events *events; /* pointer to event log */
587 u8 *cached_fw; /* Pointer to FW */
588 dma_addr_t cached_fw_dma;
589 struct list_head configQ; /* linked list of config. requests */
596 u32 NB_for_64_byte_frame;
597 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
598 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
599 IOCFactsReply_t facts;
600 PortFactsReply_t pfacts[2];
601 FCPortPage0_t fc_port_page0[2];
602 struct timer_list persist_timer; /* persist table timer */
603 int persist_wait_done; /* persist completion flag */
604 u8 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
605 LANPage0_t lan_cnfg_page0;
606 LANPage1_t lan_cnfg_page1;
608 * Description: errata_flag_1064
609 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
610 * a split completion for a read data, an internal address pointer incorrectly
611 * increments by 32 bytes
613 int errata_flag_1064;
614 int aen_event_read_flag; /* flag to indicate event log was read*/
616 u8 upload_fw; /* If set, do a fw upload */
617 u8 reload_fw; /* Force a FW Reload on next reset */
618 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
623 spinlock_t initializing_hba_lock;
624 int initializing_hba_lock_flag;
625 struct list_head list;
626 struct net_device *netdev;
627 struct list_head sas_topology;
628 struct mutex sas_topology_mutex;
629 struct mutex sas_discovery_mutex;
630 u8 sas_discovery_runtime;
631 u8 sas_discovery_ignore_events;
632 int sas_index; /* index refrencing */
633 MPT_SAS_MGMT sas_mgmt;
635 struct work_struct mptscsih_persistTask;
637 struct work_struct fc_setup_reset_work;
638 struct list_head fc_rports;
639 spinlock_t fc_rescan_work_lock;
640 int fc_rescan_work_count;
641 struct work_struct fc_rescan_work;
642 char fc_rescan_work_q_name[KOBJ_NAME_LEN];
643 struct workqueue_struct *fc_rescan_work_q;
647 * New return value convention:
648 * 1 = Ok to free associated request frame
651 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
652 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
653 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
654 /* reset_phase defs */
655 #define MPT_IOC_PRE_RESET 0
656 #define MPT_IOC_POST_RESET 1
657 #define MPT_IOC_SETUP_RESET 2
660 * Invent MPT host event (super-set of MPI Events)
661 * Fitted to 1030's 64-byte [max] request frame size
663 typedef struct _MPT_HOST_EVENT {
664 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
669 #define MPT_HOSTEVENT_IOC_BRINGUP 0x91
670 #define MPT_HOSTEVENT_IOC_RECOVER 0x92
672 /* Define the generic types based on the size
673 * of the dma_addr_t type.
675 typedef struct _mpt_sge {
680 #define mpt_addr_size() \
681 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
682 MPI_SGE_FLAGS_32_BIT_ADDRESSING)
684 #define mpt_msg_flags() \
685 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
686 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
688 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
690 * Funky (private) macros...
693 #define dprintk(x) printk x
698 #ifdef MPT_DEBUG_INIT
699 #define dinitprintk(x) printk x
700 #define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
702 u32 *m = (u32 *)(mfp); \
703 printk(KERN_INFO " "); \
704 for (i=0; i<n; i++) \
705 printk(" %08x", le32_to_cpu(m[i])); \
709 #define dinitprintk(x)
710 #define DBG_DUMP_FW_REQUEST_FRAME(mfp)
713 #ifdef MPT_DEBUG_EXIT
714 #define dexitprintk(x) printk x
716 #define dexitprintk(x)
719 #if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
720 #define dfailprintk(x) printk x
722 #define dfailprintk(x)
725 #ifdef MPT_DEBUG_HANDSHAKE
726 #define dhsprintk(x) printk x
731 #if defined(MPT_DEBUG_EVENTS) || defined(MPT_DEBUG_VERBOSE_EVENTS)
732 #define devtprintk(x) printk x
734 #define devtprintk(x)
737 #ifdef MPT_DEBUG_VERBOSE_EVENTS
738 #define devtverboseprintk(x) printk x
740 #define devtverboseprintk(x)
743 #ifdef MPT_DEBUG_RESET
744 #define drsprintk(x) printk x
749 //#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
750 #if defined(MPT_DEBUG_MSG_FRAME)
751 #define dmfprintk(x) printk x
752 #define DBG_DUMP_REQUEST_FRAME(mfp) \
754 u32 *m = (u32 *)(mfp); \
755 for (i=0; i<n; i++) { \
756 if (i && ((i%8)==0)) \
758 printk("%08x ", le32_to_cpu(m[i])); \
764 #define DBG_DUMP_REQUEST_FRAME(mfp)
768 #define dirqprintk(x) printk x
770 #define dirqprintk(x)
774 #define dsgprintk(x) printk x
779 #if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
780 #define ddlprintk(x) printk x
786 #define ddvprintk(x) printk x
791 #ifdef MPT_DEBUG_NEGO
792 #define dnegoprintk(x) printk x
794 #define dnegoprintk(x)
797 #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
798 #define ddvtprintk(x) printk x
800 #define ddvtprintk(x)
803 #ifdef MPT_DEBUG_IOCTL
804 #define dctlprintk(x) printk x
806 #define dctlprintk(x)
809 #ifdef MPT_DEBUG_REPLY
810 #define dreplyprintk(x) printk x
812 #define dreplyprintk(x)
816 #define dfcprintk(x) printk x
822 #define dtmprintk(x) printk x
823 #define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
824 { u32 *m = (u32 *)(mfp); \
826 printk("TM_REQUEST:\n"); \
827 for (i=0; i<n; i++) { \
828 if (i && ((i%8)==0)) \
830 printk("%08x ", le32_to_cpu(m[i])); \
834 #define DBG_DUMP_TM_REPLY_FRAME(mfp) \
835 { u32 *m = (u32 *)(mfp); \
836 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
837 printk("TM_REPLY MessageLength=%d:\n", n); \
838 for (i=0; i<n; i++) { \
839 if (i && ((i%8)==0)) \
841 printk(" %08x", le32_to_cpu(m[i])); \
847 #define DBG_DUMP_TM_REQUEST_FRAME(mfp)
848 #define DBG_DUMP_TM_REPLY_FRAME(mfp)
851 #if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
852 #define dcprintk(x) printk x
857 #if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
858 #define dsprintk(x) printk x
864 #define MPT_INDEX_2_MFPTR(ioc,idx) \
865 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
867 #define MFPTR_2_MPT_INDEX(ioc,mf) \
868 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
870 #define MPT_INDEX_2_RFPTR(ioc,idx) \
871 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
873 #if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
874 #define DBG_DUMP_REPLY_FRAME(mfp) \
875 { u32 *m = (u32 *)(mfp); \
876 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
877 printk(KERN_INFO " "); \
878 for (i=0; i<n; i++) \
879 printk(" %08x", le32_to_cpu(m[i])); \
882 #define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
884 u32 *m = (u32 *)(mfp); \
885 printk(KERN_INFO " "); \
886 for (i=0; i<n; i++) \
887 printk(" %08x", le32_to_cpu(m[i])); \
891 #define DBG_DUMP_REPLY_FRAME(mfp)
892 #define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
896 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
898 #define SCSI_STD_SENSE_BYTES 18
899 #define SCSI_STD_INQUIRY_BYTES 36
900 #define SCSI_MAX_INQUIRY_BYTES 96
903 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
904 * Private to the driver.
906 /* LOCAL structure and fields used when processing
907 * internally generated commands. These include:
908 * bus scan, dv and config requests.
910 typedef struct _MPT_LOCAL_REPLY {
911 ConfigPageHeader_t header;
913 u8 sense[SCSI_STD_SENSE_BYTES];
919 #define MPT_HOST_BUS_UNKNOWN (0xFF)
920 #define MPT_HOST_TOO_MANY_TM (0x05)
921 #define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
922 #define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
923 #define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
924 #define MPT_NVRAM_SYNC_MASK (0x0000FF00)
925 #define MPT_NVRAM_SYNC_SHIFT (8)
926 #define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
927 #define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
928 #define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
929 #define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
930 #define MPT_NVRAM_WIDE_DISABLE (0x00100000)
931 #define MPT_NVRAM_BOOT_CHOICE (0x00200000)
933 /* The TM_STATE variable is used to provide strict single threading of TM
934 * requests as well as communicate TM error conditions.
936 #define TM_STATE_NONE (0)
937 #define TM_STATE_IN_PROGRESS (1)
938 #define TM_STATE_ERROR (2)
946 typedef struct _MPT_SCSI_HOST {
950 struct scsi_cmnd **ScsiLookup;
951 VirtTarget **Targets;
952 MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
953 struct timer_list timer;
954 /* Pool of memory for holding SCpnts before doing
955 * OS callbacks. freeQ is the free pool.
959 u8 negoNvram; /* DV disabled, nego NVRAM */
963 MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
964 struct scsi_cmnd *abortSCpnt;
965 MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
966 unsigned long hard_resets; /* driver forced bus resets count */
967 unsigned long soft_resets; /* fw/external bus resets count */
968 unsigned long timeouts; /* cmd timeouts */
969 ushort sel_timeout[MPT_MAX_FC_DEVICES];
971 wait_queue_head_t scandv_waitq;
972 int scandv_wait_done;
973 long last_queue_full;
977 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
979 * More Dynamic Multi-Pathing stuff...
982 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
985 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
987 * Generic structure passed to the base mpt_config function.
989 typedef struct _x_config_parms {
990 struct list_head linkage; /* linked list */
991 struct timer_list timer; /* timer function for this request */
993 ConfigExtendedPageHeader_t *ehdr;
994 ConfigPageHeader_t *hdr;
997 int wait_done; /* wait for this request */
998 u32 pageAddr; /* properly formatted */
1001 u8 timeout; /* seconds */
1007 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1009 * Public entry points...
1011 extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
1012 extern void mpt_detach(struct pci_dev *pdev);
1014 extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
1015 extern int mpt_resume(struct pci_dev *pdev);
1017 extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
1018 extern void mpt_deregister(int cb_idx);
1019 extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
1020 extern void mpt_event_deregister(int cb_idx);
1021 extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
1022 extern void mpt_reset_deregister(int cb_idx);
1023 extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
1024 extern void mpt_device_driver_deregister(int cb_idx);
1025 extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
1026 extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1027 extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1028 extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
1030 extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
1031 extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
1032 extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
1033 extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
1034 extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
1035 extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
1036 extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
1037 extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
1038 extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
1039 extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
1042 * Public data decl's...
1044 extern struct list_head ioc_list;
1045 extern struct proc_dir_entry *mpt_proc_root_dir;
1047 extern int mpt_lan_index; /* needed by mptlan.c */
1048 extern int mpt_stm_index; /* needed by mptstm.c */
1050 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1051 #endif /* } __KERNEL__ */
1053 #if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1054 #define CAST_U32_TO_PTR(x) ((void *)(u64)x)
1055 #define CAST_PTR_TO_U32(x) ((u32)(u64)x)
1057 #define CAST_U32_TO_PTR(x) ((void *)x)
1058 #define CAST_PTR_TO_U32(x) ((u32)x)
1061 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1062 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
1063 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
1064 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
1065 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
1068 * Shifted SGE Defines - Use in SGE with FlagsLength member.
1069 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1070 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1072 #define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
1073 #define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
1074 #define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
1075 #define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
1076 #define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
1077 #define MPT_SGE_FLAGS_DIRECTION (0x04000000)
1078 #define MPT_SGE_FLAGS_ADDRESSING (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1079 #define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
1081 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
1082 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
1083 #define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
1084 #define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
1086 #define MPT_SGE_FLAGS_SSIMPLE_READ \
1087 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1088 MPT_SGE_FLAGS_END_OF_BUFFER | \
1089 MPT_SGE_FLAGS_END_OF_LIST | \
1090 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1091 MPT_SGE_FLAGS_ADDRESSING | \
1092 MPT_TRANSFER_IOC_TO_HOST)
1093 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1094 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1095 MPT_SGE_FLAGS_END_OF_BUFFER | \
1096 MPT_SGE_FLAGS_END_OF_LIST | \
1097 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1098 MPT_SGE_FLAGS_ADDRESSING | \
1099 MPT_TRANSFER_HOST_TO_IOC)
1101 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/