/* $FreeBSD$ */ /*- * Generic defines for LSI '909 FC adapters. * FreeBSD Version. * * Copyright (c) 2000, 2001 by Greg Ansley * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /*- * Copyright (c) 2002, 2006 by Matthew Jacob * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon including * a substantially similar Disclaimer requirement for further binary * redistribution. * 3. Neither the names of the above listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Support from Chris Ellsworth in order to make SAS adapters work * is gratefully acknowledged. */ /* * Copyright (c) 2004, Avid Technology, Inc. and its contributors. * Copyright (c) 2004, 2005 Justin T. Gibbs * Copyright (c) 2005, WHEEL Sp. z o.o. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon including * a substantially similar Disclaimer requirement for further binary * redistribution. * 3. Neither the names of the above listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MPT_H_ #define _MPT_H_ /********************************* OS Includes ********************************/ #include #include #include #include #include #if __FreeBSD_version < 500000 #include #include #include #else #include #include #include #include #include #include #endif #include #include #include #include #include #include #if __FreeBSD_version < 500000 #include #endif #include #if __FreeBSD_version < 500000 #include #include #else #include #include #endif #include #include "opt_ddb.h" /**************************** Register Definitions ****************************/ #include /******************************* MPI Definitions ******************************/ #include #include #include #include #include /* XXX For mpt_debug.c */ #include /****************************** Misc Definitions ******************************/ #define MPT_OK (0) #define MPT_FAIL (0x10000) #define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array)) #define MPT_ROLE_NONE 0 #define MPT_ROLE_INITIATOR 1 #define MPT_ROLE_TARGET 2 #define MPT_ROLE_BOTH 3 #define MPT_ROLE_DEFAULT MPT_ROLE_INITIATOR /**************************** Forward Declarations ****************************/ struct mpt_softc; struct mpt_personality; typedef struct req_entry request_t; /************************* Personality Module Support *************************/ typedef int mpt_load_handler_t(struct mpt_personality *); typedef int mpt_probe_handler_t(struct mpt_softc *); typedef int mpt_attach_handler_t(struct mpt_softc *); typedef int mpt_enable_handler_t(struct mpt_softc *); typedef int mpt_event_handler_t(struct mpt_softc *, request_t *, MSG_EVENT_NOTIFY_REPLY *); typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/); /* XXX Add return value and use for veto? */ typedef void mpt_shutdown_handler_t(struct mpt_softc *); typedef void mpt_detach_handler_t(struct mpt_softc *); typedef int mpt_unload_handler_t(struct mpt_personality *); struct mpt_personality { const char *name; uint32_t id; /* Assigned identifier. */ u_int use_count; /* Instances using personality*/ mpt_load_handler_t *load; /* configure personailty */ #define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load) mpt_probe_handler_t *probe; /* configure personailty */ mpt_attach_handler_t *attach; /* initialize device instance */ mpt_enable_handler_t *enable; /* enable device */ mpt_event_handler_t *event; /* Handle MPI event. */ mpt_reset_handler_t *reset; /* Re-init after reset. */ mpt_shutdown_handler_t *shutdown; /* Shutdown instance. */ mpt_detach_handler_t *detach; /* release device instance */ mpt_unload_handler_t *unload; /* Shutdown personality */ #define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload) }; int mpt_modevent(module_t, int, void *); /* Maximum supported number of personalities. */ #define MPT_MAX_PERSONALITIES (15) #define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \ MODULE_DEPEND(name, dep, vmin, vpref, vmax) #define DECLARE_MPT_PERSONALITY(name, order) \ static moduledata_t name##_mod = { \ #name, mpt_modevent, &name##_personality \ }; \ DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order); \ MODULE_VERSION(name, 1); \ MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1) /******************************* Bus DMA Support ******************************/ /* XXX Need to update bus_dmamap_sync to take a range argument. */ #define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op) \ bus_dmamap_sync(dma_tag, dmamap, op) #if __FreeBSD_version >= 501102 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ lowaddr, highaddr, filter, filterarg, \ maxsize, nsegments, maxsegsz, flags, \ dma_tagp) \ bus_dma_tag_create(parent_tag, alignment, boundary, \ lowaddr, highaddr, filter, filterarg, \ maxsize, nsegments, maxsegsz, flags, \ busdma_lock_mutex, &Giant, \ dma_tagp) #else #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ lowaddr, highaddr, filter, filterarg, \ maxsize, nsegments, maxsegsz, flags, \ dma_tagp) \ bus_dma_tag_create(parent_tag, alignment, boundary, \ lowaddr, highaddr, filter, filterarg, \ maxsize, nsegments, maxsegsz, flags, \ dma_tagp) #endif struct mpt_map_info { struct mpt_softc *mpt; int error; uint32_t phys; }; void mpt_map_rquest(void *, bus_dma_segment_t *, int, int); /**************************** Kernel Thread Support ***************************/ #if __FreeBSD_version > 500005 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) #else #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ kthread_create(func, farg, proc_ptr, fmtstr, arg) #endif /****************************** Timer Facilities ******************************/ #if __FreeBSD_version > 500000 #define mpt_callout_init(c) callout_init(c, /*mpsafe*/0); #else #define mpt_callout_init(c) callout_init(c); #endif /********************************** Endianess *********************************/ static __inline uint64_t u64toh(U64 s) { uint64_t result; result = le32toh(s.Low); result |= ((uint64_t)le32toh(s.High)) << 32; return (result); } /**************************** MPI Transaction State ***************************/ typedef enum { REQ_STATE_NIL = 0x00, REQ_STATE_FREE = 0x01, REQ_STATE_ALLOCATED = 0x02, REQ_STATE_QUEUED = 0x04, REQ_STATE_DONE = 0x08, REQ_STATE_TIMEDOUT = 0x10, REQ_STATE_NEED_WAKEUP = 0x20, REQ_STATE_LOCKED = 0x80, /* can't be freed */ REQ_STATE_MASK = 0xFF } mpt_req_state_t; struct req_entry { TAILQ_ENTRY(req_entry) links; /* Pointer to next in list */ mpt_req_state_t state; /* Request State Information */ uint16_t index; /* Index of this entry */ uint16_t IOCStatus; /* Completion status */ uint16_t ResponseCode; /* TMF Reponse Code */ uint16_t serno; /* serial number */ union ccb *ccb; /* CAM request */ void *req_vbuf; /* Virtual Address of Entry */ void *sense_vbuf; /* Virtual Address of sense data */ bus_addr_t req_pbuf; /* Physical Address of Entry */ bus_addr_t sense_pbuf; /* Physical Address of sense data */ bus_dmamap_t dmap; /* DMA map for data buffer */ struct req_entry *chain; /* for SGE overallocations */ }; /**************************** MPI Target State Info ***************************/ typedef struct { uint32_t reply_desc; /* current reply descriptor */ uint32_t resid; /* current data residual */ uint32_t bytes_xfered; /* current relative offset */ union ccb *ccb; /* pointer to currently active ccb */ request_t *req; /* pointer to currently active assist request */ int nxfers; uint32_t tag_id; enum { TGT_STATE_NIL, TGT_STATE_LOADING, TGT_STATE_LOADED, TGT_STATE_IN_CAM, TGT_STATE_SETTING_UP_FOR_DATA, TGT_STATE_MOVING_DATA, TGT_STATE_MOVING_DATA_AND_STATUS, TGT_STATE_SENDING_STATUS } state; } mpt_tgt_state_t; /* * When we get an incoming command it has its own tag which is called the * IoIndex. This is the value we gave that particular command buffer when * we originally assigned it. It's just a number, really. The FC card uses * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which * contains pointers the request_t structures related to that IoIndex. * * What *we* do is construct a tag out of the index for the target command * which owns the incoming ATIO plus a rolling sequence number. */ #define MPT_MAKE_TAGID(mpt, req, ioindex) \ ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff)) #ifdef INVARIANTS #define MPT_TAG_2_REQ(a, b) mpt_tag_2_req(a, (uint32_t) b) #else #define MPT_TAG_2_REQ(mpt, tag) mpt->tgt_cmd_ptrs[tag >> 18] #endif #define MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \ (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)])) STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr); #define MPT_MAX_LUNS 256 typedef struct { struct mpt_hdr_stailq atios; struct mpt_hdr_stailq inots; int enabled; } tgt_resource_t; #define MPT_MAX_ELS 64 /**************************** Handler Registration ****************************/ /* * Global table of registered reply handlers. The * handler is indicated by byte 3 of the request * index submitted to the IOC. This allows the * driver core to perform generic processing without * any knowledge of per-personality behavior. * * MPT_NUM_REPLY_HANDLERS must be a power of 2 * to allow the easy generation of a mask. * * The handler offsets used by the core are hard coded * allowing faster code generation when assigning a handler * to a request. All "personalities" must use the * the handler registration mechanism. * * The IOC handlers that are rarely executed are placed * at the tail of the table to make it more likely that * all commonly executed handlers fit in a single cache * line. */ #define MPT_NUM_REPLY_HANDLERS (32) #define MPT_REPLY_HANDLER_EVENTS MPT_CBI_TO_HID(0) #define MPT_REPLY_HANDLER_CONFIG MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1) #define MPT_REPLY_HANDLER_HANDSHAKE MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2) typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request, uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame); typedef union { mpt_reply_handler_t *reply_handler; } mpt_handler_t; typedef enum { MPT_HANDLER_REPLY, MPT_HANDLER_EVENT, MPT_HANDLER_RESET, MPT_HANDLER_SHUTDOWN } mpt_handler_type; struct mpt_handler_record { LIST_ENTRY(mpt_handler_record) links; mpt_handler_t handler; }; LIST_HEAD(mpt_handler_list, mpt_handler_record); /* * The handler_id is currently unused but would contain the * handler ID used in the MsgContext field to allow direction * of replies to the handler. Registrations that don't require * a handler id can pass in NULL for the handler_id. * * Deregistrations for handlers without a handler id should * pass in MPT_HANDLER_ID_NONE. */ #define MPT_HANDLER_ID_NONE (0xFFFFFFFF) int mpt_register_handler(struct mpt_softc *, mpt_handler_type, mpt_handler_t, uint32_t *); int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type, mpt_handler_t, uint32_t); /******************* Per-Controller Instance Data Structures ******************/ TAILQ_HEAD(req_queue, req_entry); /* Structure for saving proper values for modifyable PCI config registers */ struct mpt_pci_cfg { uint16_t Command; uint16_t LatencyTimer_LineSize; uint32_t IO_BAR; uint32_t Mem0_BAR[2]; uint32_t Mem1_BAR[2]; uint32_t ROM_BAR; uint8_t IntLine; uint32_t PMCSR; }; typedef enum { MPT_RVF_NONE = 0x0, MPT_RVF_ACTIVE = 0x1, MPT_RVF_ANNOUNCED = 0x2, MPT_RVF_UP2DATE = 0x4, MPT_RVF_REFERENCED = 0x8, MPT_RVF_WCE_CHANGED = 0x10 } mpt_raid_volume_flags; struct mpt_raid_volume { CONFIG_PAGE_RAID_VOL_0 *config_page; MPI_RAID_VOL_INDICATOR sync_progress; mpt_raid_volume_flags flags; u_int quieced_disks; }; typedef enum { MPT_RDF_NONE = 0x00, MPT_RDF_ACTIVE = 0x01, MPT_RDF_ANNOUNCED = 0x02, MPT_RDF_UP2DATE = 0x04, MPT_RDF_REFERENCED = 0x08, MPT_RDF_QUIESCING = 0x10, MPT_RDF_QUIESCED = 0x20 } mpt_raid_disk_flags; struct mpt_raid_disk { CONFIG_PAGE_RAID_PHYS_DISK_0 config_page; struct mpt_raid_volume *volume; u_int member_number; u_int pass_thru_active; mpt_raid_disk_flags flags; }; struct mpt_evtf_record { MSG_EVENT_NOTIFY_REPLY reply; uint32_t context; LIST_ENTRY(mpt_evtf_record) links; }; LIST_HEAD(mpt_evtf_list, mpt_evtf_record); struct mpt_softc { device_t dev; #if __FreeBSD_version < 500000 uint32_t mpt_islocked; int mpt_splsaved; #else struct mtx mpt_lock; int mpt_locksetup; #endif uint32_t mpt_pers_mask; uint32_t : 8, unit : 8, : 1, twildcard : 1, tenabled : 1, : 2, role : 2, /* none, ini, target, both */ raid_mwce_set : 1, getreqwaiter : 1, shutdwn_raid : 1, shutdwn_recovery: 1, outofbeer : 1, : 1, disabled : 1, is_sas : 1, is_fc : 1; u_int verbose; /* * IOC Facts */ uint16_t mpt_global_credits; uint16_t request_frame_size; uint8_t mpt_max_devices; uint8_t mpt_max_buses; uint8_t ioc_facts_flags; uint8_t padding0; /* * Port Facts * XXX - Add multi-port support!. */ uint16_t mpt_ini_id; uint16_t mpt_port_type; uint16_t mpt_proto_flags; uint16_t mpt_max_tgtcmds; /* * Device Configuration Information */ union { struct mpt_spi_cfg { CONFIG_PAGE_SCSI_PORT_0 _port_page0; CONFIG_PAGE_SCSI_PORT_1 _port_page1; CONFIG_PAGE_SCSI_PORT_2 _port_page2; CONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; CONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; uint16_t _tag_enable; uint16_t _disc_enable; } spi; #define mpt_port_page0 cfg.spi._port_page0 #define mpt_port_page1 cfg.spi._port_page1 #define mpt_port_page2 cfg.spi._port_page2 #define mpt_dev_page0 cfg.spi._dev_page0 #define mpt_dev_page1 cfg.spi._dev_page1 #define mpt_tag_enable cfg.spi._tag_enable #define mpt_disc_enable cfg.spi._disc_enable struct mpi_fc_cfg { CONFIG_PAGE_FC_PORT_0 _port_page0; #define mpt_fcport_page0 cfg.fc._port_page0 } fc; } cfg; /* Controller Info */ CONFIG_PAGE_IOC_2 * ioc_page2; CONFIG_PAGE_IOC_3 * ioc_page3; /* Raid Data */ struct mpt_raid_volume* raid_volumes; struct mpt_raid_disk* raid_disks; u_int raid_max_volumes; u_int raid_max_disks; u_int raid_page0_len; u_int raid_wakeup; u_int raid_rescan; u_int raid_resync_rate; u_int raid_mwce_setting; u_int raid_queue_depth; u_int raid_nonopt_volumes; struct proc *raid_thread; struct callout raid_timer; /* * PCI Hardware info */ struct resource * pci_irq; /* Interrupt map for chip */ void * ih; /* Interupt handle */ struct mpt_pci_cfg pci_cfg; /* saved PCI conf registers */ /* * DMA Mapping Stuff */ struct resource * pci_reg; /* Register map for chip */ int pci_mem_rid; /* Resource ID */ bus_space_tag_t pci_st; /* Bus tag for registers */ bus_space_handle_t pci_sh; /* Bus handle for registers */ /* PIO versions of above. */ int pci_pio_rid; struct resource * pci_pio_reg; bus_space_tag_t pci_pio_st; bus_space_handle_t pci_pio_sh; bus_dma_tag_t parent_dmat; /* DMA tag for parent PCI bus */ bus_dma_tag_t reply_dmat; /* DMA tag for reply memory */ bus_dmamap_t reply_dmap; /* DMA map for reply memory */ uint8_t *reply; /* KVA of reply memory */ bus_addr_t reply_phys; /* BusAddr of reply memory */ bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */ bus_dma_tag_t request_dmat; /* DMA tag for request memroy */ bus_dmamap_t request_dmap; /* DMA map for request memroy */ uint8_t *request; /* KVA of Request memory */ bus_addr_t request_phys; /* BusAddr of request memory */ uint32_t max_seg_cnt; /* calculated after IOC facts */ /* * Hardware management */ u_int reset_cnt; /* * CAM && Software Management */ request_t *request_pool; struct req_queue request_free_list; struct req_queue request_pending_list; struct req_queue request_timeout_list; struct cam_sim *sim; struct cam_path *path; struct cam_sim *phydisk_sim; struct cam_path *phydisk_path; struct proc *recovery_thread; request_t *tmf_req; /* * Deferred frame acks due to resource shortage. */ struct mpt_evtf_list ack_frames; /* * Target Mode Support */ uint32_t scsi_tgt_handler_id; request_t ** tgt_cmd_ptrs; request_t ** els_cmd_ptrs; /* FC only */ /* * *snork*- this is chosen to be here *just in case* somebody * forgets to point to it exactly and we index off of trt with * CAM_LUN_WILDCARD. */ tgt_resource_t trt_wildcard; /* wildcard luns */ tgt_resource_t trt[MPT_MAX_LUNS]; uint16_t tgt_cmds_allocated; uint16_t els_cmds_allocated; /* FC only */ uint16_t timeouts; /* timeout count */ uint16_t success; /* successes afer timeout */ uint16_t sequence; /* Sequence Number */ uint16_t pad3; /* Opposing port in a 929 or 1030, or NULL */ struct mpt_softc * mpt2; /* FW Image management */ uint32_t fw_image_size; uint8_t *fw_image; bus_dma_tag_t fw_dmat; /* DMA tag for firmware image */ bus_dmamap_t fw_dmap; /* DMA map for firmware image */ bus_addr_t fw_phys; /* BusAddr of request memory */ /* Shutdown Event Handler. */ eventhandler_tag eh; TAILQ_ENTRY(mpt_softc) links; }; static __inline void mpt_assign_serno(struct mpt_softc *, request_t *); static __inline void mpt_assign_serno(struct mpt_softc *mpt, request_t *req) { if ((req->serno = mpt->sequence++) == 0) { req->serno = mpt->sequence++; } } /***************************** Locking Primitives *****************************/ #if __FreeBSD_version < 500000 #define MPT_IFLAGS INTR_TYPE_CAM #define MPT_LOCK(mpt) mpt_lockspl(mpt) #define MPT_UNLOCK(mpt) mpt_unlockspl(mpt) #define MPT_OWNED(mpt) mpt->mpt_islocked #define MPTLOCK_2_CAMLOCK MPT_UNLOCK #define CAMLOCK_2_MPTLOCK MPT_LOCK #define MPT_LOCK_SETUP(mpt) #define MPT_LOCK_DESTROY(mpt) static __inline void mpt_lockspl(struct mpt_softc *mpt); static __inline void mpt_unlockspl(struct mpt_softc *mpt); static __inline void mpt_lockspl(struct mpt_softc *mpt) { int s; s = splcam(); if (mpt->mpt_islocked++ == 0) { mpt->mpt_splsaved = s; } else { splx(s); panic("Recursed lock with mask: 0x%x\n", s); } } static __inline void mpt_unlockspl(struct mpt_softc *mpt) { if (mpt->mpt_islocked) { if (--mpt->mpt_islocked == 0) { splx(mpt->mpt_splsaved); } } else panic("Negative lock count\n"); } static __inline int mpt_sleep(struct mpt_softc *mpt, void *ident, int priority, const char *wmesg, int timo) { int saved_cnt; int saved_spl; int error; KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep")); saved_cnt = mpt->mpt_islocked; saved_spl = mpt->mpt_splsaved; mpt->mpt_islocked = 0; error = tsleep(ident, priority, wmesg, timo); KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup")); mpt->mpt_islocked = saved_cnt; mpt->mpt_splsaved = saved_spl; return (error); } #else #ifdef LOCKING_WORKED_AS_IT_SHOULD #error "Shouldn't Be Here!" #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE #define MPT_LOCK_SETUP(mpt) \ mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \ mpt->mpt_locksetup = 1 #define MPT_LOCK_DESTROY(mpt) \ if (mpt->mpt_locksetup) { \ mtx_destroy(&mpt->mpt_lock); \ mpt->mpt_locksetup = 0; \ } #define MPT_LOCK(mpt) mtx_lock(&(mpt)->mpt_lock) #define MPT_UNLOCK(mpt) mtx_unlock(&(mpt)->mpt_lock) #define MPT_OWNED(mpt) mtx_owned(&(mpt)->mpt_lock) #define MPTLOCK_2_CAMLOCK(mpt) \ mtx_unlock(&(mpt)->mpt_lock); mtx_lock(&Giant) #define CAMLOCK_2_MPTLOCK(mpt) \ mtx_unlock(&Giant); mtx_lock(&(mpt)->mpt_lock) #define mpt_sleep(mpt, ident, priority, wmesg, timo) \ msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo) #else #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY #define MPT_LOCK_SETUP(mpt) do { } while (0) #define MPT_LOCK_DESTROY(mpt) do { } while (0) #if 0 #define MPT_LOCK(mpt) \ device_printf(mpt->dev, "LOCK %s:%d\n", __FILE__, __LINE__); \ KASSERT(mpt->mpt_locksetup == 0, \ ("recursive lock acquire at %s:%d", __FILE__, __LINE__)); \ mpt->mpt_locksetup = 1 #define MPT_UNLOCK(mpt) \ device_printf(mpt->dev, "UNLK %s:%d\n", __FILE__, __LINE__); \ KASSERT(mpt->mpt_locksetup == 1, \ ("release unowned lock at %s:%d", __FILE__, __LINE__)); \ mpt->mpt_locksetup = 0 #else #define MPT_LOCK(mpt) \ KASSERT(mpt->mpt_locksetup == 0, \ ("recursive lock acquire at %s:%d", __FILE__, __LINE__)); \ mpt->mpt_locksetup = 1 #define MPT_UNLOCK(mpt) \ KASSERT(mpt->mpt_locksetup == 1, \ ("release unowned lock at %s:%d", __FILE__, __LINE__)); \ mpt->mpt_locksetup = 0 #endif #define MPT_OWNED(mpt) mpt->mpt_locksetup #define MPTLOCK_2_CAMLOCK(mpt) MPT_UNLOCK(mpt) #define CAMLOCK_2_MPTLOCK(mpt) MPT_LOCK(mpt) static __inline int mpt_sleep(struct mpt_softc *, void *, int, const char *, int); static __inline int mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t) { int r; MPT_UNLOCK(mpt); r = tsleep(i, p, w, t); MPT_LOCK(mpt); return (r); } #endif #endif /******************************* Register Access ******************************/ static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t); static __inline uint32_t mpt_read(struct mpt_softc *, int); static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t); static __inline uint32_t mpt_pio_read(struct mpt_softc *, int); static __inline void mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val) { bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val); } static __inline uint32_t mpt_read(struct mpt_softc *mpt, int offset) { return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset)); } /* * Some operations (e.g. diagnostic register writes while the ARM proccessor * is disabled), must be performed using "PCI pio" operations. On non-PCI * busses, these operations likely map to normal register accesses. */ static __inline void mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val) { bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val); } static __inline uint32_t mpt_pio_read(struct mpt_softc *mpt, int offset) { return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset)); } /*********************** Reply Frame/Request Management ***********************/ /* Max MPT Reply we are willing to accept (must be power of 2) */ #define MPT_REPLY_SIZE 256 /* * Must be less than 16384 in order for target mode to work */ #define MPT_MAX_REQUESTS(mpt) 512 #define MPT_REQUEST_AREA 512 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) #define MPT_CONTEXT_CB_SHIFT (16) #define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT) #define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT) #define MPT_CONTEXT_TO_CBI(x) \ (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1)) #define MPT_CONTEXT_REQI_MASK 0xFFFF #define MPT_CONTEXT_TO_REQI(x) ((x) & MPT_CONTEXT_REQI_MASK) /* * Convert a 32bit physical address returned from IOC to an * offset into our reply frame memory or the kvm address needed * to access the data. The returned address is only the low * 32 bits, so mask our base physical address accordingly. */ #define MPT_REPLY_BADDR(x) \ (x << 1) #define MPT_REPLY_OTOV(m, i) \ ((void *)(&m->reply[i])) #define MPT_DUMP_REPLY_FRAME(mpt, reply_frame) \ do { \ if (mpt->verbose >= MPT_PRT_DEBUG) \ mpt_dump_reply_frame(mpt, reply_frame); \ } while(0) static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt); static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr); /* * Give the reply buffer back to the IOC after we have * finished processing it. */ static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr) { mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr); } /* Get a reply from the IOC */ static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt) { return mpt_read(mpt, MPT_OFFSET_REPLY_Q); } void mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int); /************************** Scatter Gather Managment **************************/ /* MPT_RQSL- size of request frame, in bytes */ #define MPT_RQSL(mpt) (mpt->request_frame_size << 2) /* MPT_NSGL- how many SG entries can fit in a request frame size */ #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION)) /* MPT_NRFM- how many request frames can fit in each request alloc we make */ #define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt)) /* * MPT_NSGL_FIRST- # of SG elements that can fit after * an I/O request but still within the request frame. * Do this safely based upon SGE_IO_UNION. * * Note that the first element is *within* the SCSI request. */ #define MPT_NSGL_FIRST(mpt) \ ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \ sizeof (SGE_IO_UNION)) /***************************** IOC Initialization *****************************/ int mpt_reset(struct mpt_softc *, int /*reinit*/); /****************************** Debugging ************************************/ typedef struct mpt_decode_entry { char *name; u_int value; u_int mask; } mpt_decode_entry_t; int mpt_decode_value(mpt_decode_entry_t *table, u_int num_entries, const char *name, u_int value, u_int *cur_column, u_int wrap_point); enum { MPT_PRT_ALWAYS, MPT_PRT_FATAL, MPT_PRT_ERROR, MPT_PRT_WARN, MPT_PRT_INFO, MPT_PRT_DEBUG, MPT_PRT_DEBUG1, MPT_PRT_DEBUG2, MPT_PRT_DEBUG3, MPT_PRT_TRACE, MPT_PRT_NONE=100 }; #ifdef INVARIANTS #define MPT_PRT_INVARIANT MPT_PRT_ALWAYS #else #define MPT_PRT_INVARIANT MPT_PRT_DEBUG #endif #if __FreeBSD_version > 500000 #define mpt_lprt(mpt, level, ...) \ do { \ if (level <= (mpt)->verbose) \ mpt_prt(mpt, __VA_ARGS__); \ } while (0) #define mpt_lprtc(mpt, level, ...) \ do { \ if (level <= (mpt)->debug_level) \ mpt_prtc(mpt, __VA_ARGS__); \ } while (0) #else void mpt_lprt(struct mpt_softc *, int, const char *, ...) __printflike(3, 4); void mpt_lprtc(struct mpt_softc *, int, const char *, ...) __printflike(3, 4); #endif void mpt_prt(struct mpt_softc *, const char *, ...) __printflike(2, 3); void mpt_prtc(struct mpt_softc *, const char *, ...) __printflike(2, 3); /**************************** Target Mode Related ***************************/ static __inline int mpt_cdblen(uint8_t, int); static __inline int mpt_cdblen(uint8_t cdb0, int maxlen) { int group = cdb0 >> 5; switch (group) { case 0: return (6); case 1: return (10); case 4: case 5: return (12); default: return (16); } } #ifdef INVARIANTS static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t); static __inline request_t * mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag) { uint16_t rtg = (tag >> 18); KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d\n", tag)); KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array")); KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer")); return (mpt->tgt_cmd_ptrs[rtg]); } static __inline int mpt_req_on_free_list(struct mpt_softc *, request_t *); static __inline int mpt_req_on_pending_list(struct mpt_softc *, request_t *); static __inline void mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int); static __inline void mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int); /* * Is request on freelist? */ static __inline int mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req) { request_t *lrq; TAILQ_FOREACH(lrq, &mpt->request_free_list, links) { if (lrq == req) { return (1); } } return (0); } /* * Is request on pending list? */ static __inline int mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req) { request_t *lrq; TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) { if (lrq == req) { return (1); } } return (0); } /* * Make sure that req *is* part of one of the special lists */ static __inline void mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) { int i; for (i = 0; i < mpt->els_cmds_allocated; i++) { if (req == mpt->els_cmd_ptrs[i]) { return; } } for (i = 0; i < mpt->tgt_cmds_allocated; i++) { if (req == mpt->tgt_cmd_ptrs[i]) { return; } } panic("%s(%d): req %p:%u function %x not in els or tgt ptrs\n", s, line, req, req->serno, ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function); } /* * Make sure that req is *not* part of one of the special lists. */ static __inline void mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) { int i; for (i = 0; i < mpt->els_cmds_allocated; i++) { KASSERT(req != mpt->els_cmd_ptrs[i], ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d\n", s, line, req, req->serno, ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); } for (i = 0; i < mpt->tgt_cmds_allocated; i++) { KASSERT(req != mpt->tgt_cmd_ptrs[i], ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d\n", s, line, req, req->serno, ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); } } #endif typedef enum { MPT_ABORT_TASK_SET=1234, MPT_CLEAR_TASK_SET, MPT_TARGET_RESET, MPT_CLEAR_ACA, MPT_TERMINATE_TASK, MPT_NIL_TMT_VALUE=5678 } mpt_task_mgmt_t; /**************************** Unclassified Routines ***************************/ void mpt_send_cmd(struct mpt_softc *mpt, request_t *req); int mpt_recv_handshake_reply(struct mpt_softc *mpt, size_t reply_len, void *reply); int mpt_wait_req(struct mpt_softc *mpt, request_t *req, mpt_req_state_t state, mpt_req_state_t mask, int sleep_ok, int time_ms); void mpt_enable_ints(struct mpt_softc *mpt); void mpt_disable_ints(struct mpt_softc *mpt); int mpt_attach(struct mpt_softc *mpt); int mpt_shutdown(struct mpt_softc *mpt); int mpt_detach(struct mpt_softc *mpt); int mpt_send_handshake_cmd(struct mpt_softc *mpt, size_t len, void *cmd); request_t * mpt_get_request(struct mpt_softc *mpt, int sleep_ok); void mpt_free_request(struct mpt_softc *mpt, request_t *req); void mpt_intr(void *arg); void mpt_check_doorbell(struct mpt_softc *mpt); void mpt_dump_reply_frame(struct mpt_softc *mpt, MSG_DEFAULT_REPLY *reply_frame); void mpt_set_config_regs(struct mpt_softc *); int mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/, u_int /*Action*/, u_int /*PageVersion*/, u_int /*PageLength*/, u_int /*PageNumber*/, u_int /*PageType*/, uint32_t /*PageAddress*/, bus_addr_t /*addr*/, bus_size_t/*len*/, int /*sleep_ok*/, int /*timeout_ms*/); int mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/, int /*PageNumber*/, uint32_t /*PageAddress*/, CONFIG_PAGE_HEADER *, int /*sleep_ok*/, int /*timeout_ms*/); int mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/, uint32_t /*PageAddress*/, CONFIG_PAGE_HEADER *, size_t /*len*/, int /*sleep_ok*/, int /*timeout_ms*/); int mpt_write_cfg_page(struct mpt_softc *, int /*Action*/, uint32_t /*PageAddress*/, CONFIG_PAGE_HEADER *, size_t /*len*/, int /*sleep_ok*/, int /*timeout_ms*/); static __inline int mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, int timeout_ms) { return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, PageAddress, hdr, len, sleep_ok, timeout_ms)); } static __inline int mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, int timeout_ms) { return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT, PageAddress, hdr, len, sleep_ok, timeout_ms)); } /* mpt_debug.c functions */ void mpt_print_reply(void *vmsg); void mpt_print_db(uint32_t mb); void mpt_print_config_reply(void *vmsg); char *mpt_ioc_diag(uint32_t diag); void mpt_req_state(mpt_req_state_t state); void mpt_print_config_request(void *vmsg); void mpt_print_request(void *vmsg); void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg); void mpt_dump_sgl(SGE_IO_UNION *se, int offset); #endif /* _MPT_H_ */