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mpt.h (153072) mpt.h (155521)
1/* $FreeBSD: head/sys/dev/mpt/mpt.h 153072 2005-12-04 02:12:43Z ru $ */
1/* $FreeBSD: head/sys/dev/mpt/mpt.h 155521 2006-02-11 01:35:29Z mjacob $ */
2/*-
3 * Generic defines for LSI '909 FC adapters.
4 * FreeBSD Version.
5 *
6 * Copyright (c) 2000, 2001 by Greg Ansley
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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81#include <sys/malloc.h>
82#include <sys/mutex.h>
83#include <sys/condvar.h>
84#endif
85#include <sys/proc.h>
86#include <sys/bus.h>
87#include <sys/module.h>
88
2/*-
3 * Generic defines for LSI '909 FC adapters.
4 * FreeBSD Version.
5 *
6 * Copyright (c) 2000, 2001 by Greg Ansley
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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81#include <sys/malloc.h>
82#include <sys/mutex.h>
83#include <sys/condvar.h>
84#endif
85#include <sys/proc.h>
86#include <sys/bus.h>
87#include <sys/module.h>
88
89#include <machine/bus.h>
90#include <machine/clock.h>
91#include <machine/cpu.h>
92#include <machine/resource.h>
93
94#include <sys/rman.h>
95
89#include <machine/clock.h>
90#include <machine/cpu.h>
91#include <machine/resource.h>
92
93#include <sys/rman.h>
94
95#if __FreeBSD_version < 500000
96#include <pci/pcireg.h>
97#include <pci/pcivar.h>
98#else
99#include <dev/pci/pcireg.h>
100#include <dev/pci/pcivar.h>
101#endif
102
103#include <machine/bus.h>
96#include "opt_ddb.h"
97
98/**************************** Register Definitions ****************************/
99#include <dev/mpt/mpt_reg.h>
100
101/******************************* MPI Definitions ******************************/
102#include <dev/mpt/mpilib/mpi_type.h>
103#include <dev/mpt/mpilib/mpi.h>

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242 uint16_t index; /* Index of this entry */
243 uint16_t IOCStatus; /* Completion status */
244 union ccb *ccb; /* CAM request */
245 void *req_vbuf; /* Virtual Address of Entry */
246 void *sense_vbuf; /* Virtual Address of sense data */
247 bus_addr_t req_pbuf; /* Physical Address of Entry */
248 bus_addr_t sense_pbuf; /* Physical Address of sense data */
249 bus_dmamap_t dmap; /* DMA map for data buffer */
104#include "opt_ddb.h"
105
106/**************************** Register Definitions ****************************/
107#include <dev/mpt/mpt_reg.h>
108
109/******************************* MPI Definitions ******************************/
110#include <dev/mpt/mpilib/mpi_type.h>
111#include <dev/mpt/mpilib/mpi.h>

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250 uint16_t index; /* Index of this entry */
251 uint16_t IOCStatus; /* Completion status */
252 union ccb *ccb; /* CAM request */
253 void *req_vbuf; /* Virtual Address of Entry */
254 void *sense_vbuf; /* Virtual Address of sense data */
255 bus_addr_t req_pbuf; /* Physical Address of Entry */
256 bus_addr_t sense_pbuf; /* Physical Address of sense data */
257 bus_dmamap_t dmap; /* DMA map for data buffer */
258 struct req_entry *chain; /* for SGE overallocations */
250};
251
252/**************************** Handler Registration ****************************/
253/*
254 * Global table of registered reply handlers. The
255 * handler is indicated by byte 3 of the request
256 * index submitted to the IOC. This allows the
257 * driver core to perform generic processing without

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371 device_t dev;
372#if __FreeBSD_version < 500000
373 int mpt_splsaved;
374 uint32_t mpt_islocked;
375#else
376 struct mtx mpt_lock;
377#endif
378 uint32_t mpt_pers_mask;
259};
260
261/**************************** Handler Registration ****************************/
262/*
263 * Global table of registered reply handlers. The
264 * handler is indicated by byte 3 of the request
265 * index submitted to the IOC. This allows the
266 * driver core to perform generic processing without

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380 device_t dev;
381#if __FreeBSD_version < 500000
382 int mpt_splsaved;
383 uint32_t mpt_islocked;
384#else
385 struct mtx mpt_lock;
386#endif
387 uint32_t mpt_pers_mask;
379 uint32_t : 15,
388 uint32_t : 14,
389 is_sas : 1,
380 raid_mwce_set : 1,
381 getreqwaiter : 1,
382 shutdwn_raid : 1,
383 shutdwn_recovery: 1,
384 unit : 8,
385 outofbeer : 1,
386 mpt_locksetup : 1,
387 disabled : 1,

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392
393 /*
394 * IOC Facts
395 */
396 uint16_t mpt_global_credits;
397 uint16_t request_frame_size;
398 uint8_t mpt_max_devices;
399 uint8_t mpt_max_buses;
390 raid_mwce_set : 1,
391 getreqwaiter : 1,
392 shutdwn_raid : 1,
393 shutdwn_recovery: 1,
394 unit : 8,
395 outofbeer : 1,
396 mpt_locksetup : 1,
397 disabled : 1,

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402
403 /*
404 * IOC Facts
405 */
406 uint16_t mpt_global_credits;
407 uint16_t request_frame_size;
408 uint8_t mpt_max_devices;
409 uint8_t mpt_max_buses;
410 uint8_t ioc_facts_flags;
400
401 /*
402 * Port Facts
403 * XXX - Add multi-port support!.
404 */
405 uint16_t mpt_ini_id;
406 uint16_t mpt_port_type;
407 uint16_t mpt_proto_flags;

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481 bus_addr_t reply_phys; /* BusAddr of reply memory */
482
483 bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */
484 bus_dma_tag_t request_dmat; /* DMA tag for request memroy */
485 bus_dmamap_t request_dmap; /* DMA map for request memroy */
486 uint8_t *request; /* KVA of Request memory */
487 bus_addr_t request_phys; /* BusADdr of request memory */
488
411
412 /*
413 * Port Facts
414 * XXX - Add multi-port support!.
415 */
416 uint16_t mpt_ini_id;
417 uint16_t mpt_port_type;
418 uint16_t mpt_proto_flags;

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492 bus_addr_t reply_phys; /* BusAddr of reply memory */
493
494 bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */
495 bus_dma_tag_t request_dmat; /* DMA tag for request memroy */
496 bus_dmamap_t request_dmap; /* DMA map for request memroy */
497 uint8_t *request; /* KVA of Request memory */
498 bus_addr_t request_phys; /* BusADdr of request memory */
499
500 uint32_t max_seg_cnt; /* calculated after IOC facts */
501
502 /*
503 * Hardware management
504 */
489 u_int reset_cnt;
490
491 /*
492 * CAM && Software Management
493 */
494 request_t *request_pool;
495 struct req_queue request_free_list;
496 struct req_queue request_pending_list;

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653
654static __inline uint32_t
655mpt_pio_read(struct mpt_softc *mpt, int offset)
656{
657 return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset));
658}
659/*********************** Reply Frame/Request Management ***********************/
660/* Max MPT Reply we are willing to accept (must be power of 2) */
505 u_int reset_cnt;
506
507 /*
508 * CAM && Software Management
509 */
510 request_t *request_pool;
511 struct req_queue request_free_list;
512 struct req_queue request_pending_list;

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669
670static __inline uint32_t
671mpt_pio_read(struct mpt_softc *mpt, int offset)
672{
673 return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset));
674}
675/*********************** Reply Frame/Request Management ***********************/
676/* Max MPT Reply we are willing to accept (must be power of 2) */
661#define MPT_REPLY_SIZE 128
677#define MPT_REPLY_SIZE 256
662
678
663#define MPT_MAX_REQUESTS(mpt) ((mpt)->is_fc ? 1024 : 256)
664#define MPT_REQUEST_AREA 512
665#define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_SIZE */
679#define MPT_MAX_REQUESTS(mpt) 512
680#define MPT_REQUEST_AREA 512
681#define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */
666#define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
667
668#define MPT_CONTEXT_CB_SHIFT (16)
669#define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT)
670#define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT)
671#define MPT_CONTEXT_TO_CBI(x) \
672 (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1))
673#define MPT_CONTEXT_REQI_MASK 0xFFFF

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709mpt_pop_reply_queue(struct mpt_softc *mpt)
710{
711 return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
712}
713
714void mpt_complete_request_chain(struct mpt_softc *mpt,
715 struct req_queue *chain, u_int iocstatus);
716/************************** Scatter Gather Managment **************************/
682#define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
683
684#define MPT_CONTEXT_CB_SHIFT (16)
685#define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT)
686#define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT)
687#define MPT_CONTEXT_TO_CBI(x) \
688 (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1))
689#define MPT_CONTEXT_REQI_MASK 0xFFFF

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725mpt_pop_reply_queue(struct mpt_softc *mpt)
726{
727 return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
728}
729
730void mpt_complete_request_chain(struct mpt_softc *mpt,
731 struct req_queue *chain, u_int iocstatus);
732/************************** Scatter Gather Managment **************************/
717/*
718 * We cannot tell prior to getting IOC facts how big the IOC's request
719 * area is. Because of this we cannot tell at compile time how many
720 * simple SG elements we can fit within an IOC request prior to having
721 * to put in a chain element.
722 *
723 * Experimentally we know that the Ultra4 parts have a 96 byte request
724 * element size and the Fibre Channel units have a 144 byte request
725 * element size. Therefore, if we have 512-32 (== 480) bytes of request
726 * area to play with, we have room for between 3 and 5 request sized
727 * regions- the first of which is the command plus a simple SG list,
728 * the rest of which are chained continuation SG lists. Given that the
729 * normal request we use is 48 bytes w/o the first SG element, we can
730 * assume we have 480-48 == 432 bytes to have simple SG elements and/or
731 * chain elements. If we assume 32 bit addressing, this works out to
732 * 54 SG or chain elements. If we assume 5 chain elements, then we have
733 * a maximum of 49 seperate actual SG segments.
734 */
735#define MPT_SGL_MAX 49
736
733/* MPT_RQSL- size of request frame, in bytes */
737#define MPT_RQSL(mpt) (mpt->request_frame_size << 2)
734#define MPT_RQSL(mpt) (mpt->request_frame_size << 2)
738#define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_SIMPLE32))
739
735
740#define MPT_NSGL_FIRST(mpt) \
741 (((mpt->request_frame_size << 2) - \
742 sizeof (MSG_SCSI_IO_REQUEST) - \
743 sizeof (SGE_IO_UNION)) / sizeof (SGE_SIMPLE32))
736/* MPT_NSGL- how many SG entries can fit in a request frame size */
737#define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION))
744
738
739/* MPT_NRFM- how many request frames can fit in each request alloc we make */
740#define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt))
741
742/*
743 * MPT_NSGL_FIRST- # of SG elements that can fit after
744 * an I/O request but still within the request frame.
745 * Do this safely based upon SGE_IO_UNION.
746 *
747 * Note that the first element is *within* the SCSI request.
748 */
749#define MPT_NSGL_FIRST(mpt) \
750 ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \
751 sizeof (SGE_IO_UNION))
752
745/***************************** IOC Initialization *****************************/
746int mpt_reset(struct mpt_softc *, int /*reinit*/);
747
748/****************************** Debugging/Logging *****************************/
749typedef struct mpt_decode_entry {
750 char *name;
751 u_int value;
752 u_int mask;

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758
759enum {
760 MPT_PRT_ALWAYS,
761 MPT_PRT_FATAL,
762 MPT_PRT_ERROR,
763 MPT_PRT_WARN,
764 MPT_PRT_INFO,
765 MPT_PRT_DEBUG,
753/***************************** IOC Initialization *****************************/
754int mpt_reset(struct mpt_softc *, int /*reinit*/);
755
756/****************************** Debugging/Logging *****************************/
757typedef struct mpt_decode_entry {
758 char *name;
759 u_int value;
760 u_int mask;

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766
767enum {
768 MPT_PRT_ALWAYS,
769 MPT_PRT_FATAL,
770 MPT_PRT_ERROR,
771 MPT_PRT_WARN,
772 MPT_PRT_INFO,
773 MPT_PRT_DEBUG,
766 MPT_PRT_TRACE
774 MPT_PRT_TRACE,
775 MPT_PRT_NONE=100
767};
768
769#define mpt_lprt(mpt, level, ...) \
770do { \
771 if (level <= (mpt)->verbose) \
772 mpt_prt(mpt, __VA_ARGS__); \
773} while (0)
774

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845void mpt_print_reply(void *vmsg);
846void mpt_print_db(uint32_t mb);
847void mpt_print_config_reply(void *vmsg);
848char *mpt_ioc_diag(uint32_t diag);
849void mpt_req_state(mpt_req_state_t state);
850void mpt_print_config_request(void *vmsg);
851void mpt_print_request(void *vmsg);
852void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
776};
777
778#define mpt_lprt(mpt, level, ...) \
779do { \
780 if (level <= (mpt)->verbose) \
781 mpt_prt(mpt, __VA_ARGS__); \
782} while (0)
783

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854void mpt_print_reply(void *vmsg);
855void mpt_print_db(uint32_t mb);
856void mpt_print_config_reply(void *vmsg);
857char *mpt_ioc_diag(uint32_t diag);
858void mpt_req_state(mpt_req_state_t state);
859void mpt_print_config_request(void *vmsg);
860void mpt_print_request(void *vmsg);
861void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
862void mpt_dump_sgl(SGE_IO_UNION *se, int offset);
853#endif /* _MPT_H_ */
863#endif /* _MPT_H_ */