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/* * linux/drivers/message/fusion/mptbase.h * High performance SCSI + LAN / Fibre Channel device drivers. * For use with PCI chip/adapter(s): * LSIFC9xx/LSI409xx Fibre Channel * running LSI Logic Fusion MPT (Message Passing Technology) firmware. * * Credits: * (see mptbase.c) * * Copyright (c) 1999-2002 LSI Logic Corporation * Originally By: Steven J. Ralston * (mailto:sjralston1@netscape.net) * (mailto:mpt_linux_developer@lsil.com) * * $Id: mptbase.h,v 1.1.1.1 2004-04-15 02:27:32 phoenix Exp $ */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. NO WARRANTY THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement, including but not limited to the risks and costs of program errors, damage to or loss of data, programs or equipment, and unavailability or interruption of operations. DISCLAIMER OF LIABILITY NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef MPTBASE_H_INCLUDED #define MPTBASE_H_INCLUDED /*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #include "linux_compat.h" /* linux-2.2.x (vs. -2.4.x) tweaks */ #include "scsi3.h" /* SCSI defines */ #include "lsi/mpi_type.h" #include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */ #include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */ #include "lsi/mpi_cnfg.h" /* IOC configuration support */ #include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */ #include "lsi/mpi_lan.h" /* LAN over FC protocol support */ #include "lsi/mpi_raid.h" /* Integrated Mirroring support */ #include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */ #include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */ #include "lsi/fc_log.h" /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #ifndef MODULEAUTHOR #define MODULEAUTHOR "LSI Logic Corporation" #endif #ifndef COPYRIGHT #define COPYRIGHT "Copyright (c) 1999-2003 " MODULEAUTHOR #endif #define MPT_LINUX_VERSION_COMMON "2.05.11.03" #define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-2.05.11.03" #define WHAT_MAGIC_STRING "@" "(" "#" ")" #define show_mptmod_ver(s,ver) \ printk(KERN_INFO "%s %s\n", s, ver); /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Fusion MPT(linux) driver configurable stuff... */ #define MPT_MAX_ADAPTERS 18 #define MPT_MAX_PROTOCOL_DRIVERS 16 #define MPT_MAX_BUS 1 /* Do not change */ #define MPT_MAX_FC_DEVICES 255 #define MPT_MAX_SCSI_DEVICES 16 #define MPT_LAST_LUN 255 #define MPT_SENSE_BUFFER_ALLOC 64 /* allow for 256 max sense alloc, but only 255 max request */ #if MPT_SENSE_BUFFER_ALLOC >= 256 # undef MPT_SENSE_BUFFER_ALLOC # define MPT_SENSE_BUFFER_ALLOC 256 # define MPT_SENSE_BUFFER_SIZE 255 #else # define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC #endif #define MPT_NAME_LENGTH 32 #define MPT_PROCFS_MPTBASEDIR "mpt" /* chg it to "driver/fusion" ? */ #define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary" #define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE #define MPT_FW_REV_MAGIC_ID_STRING "FwRev=" #define MPT_MAX_REQ_DEPTH 1023 #define MPT_DEFAULT_REQ_DEPTH 256 #define MPT_MIN_REQ_DEPTH 128 #define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH #define MPT_DEFAULT_REPLY_DEPTH 128 #define MPT_MIN_REPLY_DEPTH 8 #define MPT_MAX_REPLIES_PER_ISR 32 #define MPT_MAX_FRAME_SIZE 128 #define MPT_DEFAULT_FRAME_SIZE 128 #define MPT_REPLY_FRAME_SIZE 0x40 /* Must be a multiple of 8 */ #define MPT_SG_REQ_128_SCALE 1 #define MPT_SG_REQ_96_SCALE 2 #define MPT_SG_REQ_64_SCALE 4 #define CAN_SLEEP 1 #define NO_SLEEP 0 #define MPT_COALESCING_TIMEOUT 0x10 /* * SCSI transfer rate defines. */ #define MPT_ULTRA320 0x08 #define MPT_ULTRA160 0x09 #define MPT_ULTRA2 0x0A #define MPT_ULTRA 0x0C #define MPT_FAST 0x19 #define MPT_SCSI 0x32 #define MPT_ASYNC 0xFF #define MPT_NARROW 0 #define MPT_WIDE 1 #ifdef __KERNEL__ /* { */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #include <linux/proc_fs.h> /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Attempt semi-consistent error & warning msgs across * MPT drivers. NOTE: Users of these macro defs must * themselves define their own MYNAM. */ #define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: " #define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: " #define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - " #define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - " /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * MPT protocol driver defs... */ typedef enum { MPTBASE_DRIVER, /* MPT base class */ MPTCTL_DRIVER, /* MPT ioctl class */ MPTSCSIH_DRIVER, /* MPT SCSI host (initiator) class */ MPTLAN_DRIVER, /* MPT LAN class */ MPTSTM_DRIVER, /* MPT SCSI target mode class */ MPTDMP_DRIVER, /* MPT Dynamic Multi-pathing class */ MPTUNKNOWN_DRIVER } MPT_DRIVER_CLASS; /* * MPT adapter / port / bus / device info structures... */ typedef union _MPT_FRAME_TRACKER { struct { struct _MPT_FRAME_HDR *forw; struct _MPT_FRAME_HDR *back; u32 arg1; u32 pad; void *argp1; #ifndef MPT_SCSI_USE_NEW_EH void *argp2; #endif } linkage; /* * NOTE: When request frames are free, on the linkage structure * contets are valid. All other values are invalid. * In particular, do NOT reply on offset [2] * (in words) being the * message context. * The message context must be reset (computed via base address * + an offset) prior to issuing any command. * * NOTE2: On non-32-bit systems, where pointers are LARGE, * using the linkage pointers destroys our sacred MsgContext * field contents. But we don't care anymore because these * are now reset in mpt_put_msg_frame() just prior to sending * a request off to the IOC. */ struct { u32 __hdr[2]; /* * The following _MUST_ match the location of the * MsgContext field in the MPT message headers. */ union { u32 MsgContext; struct { u16 req_idx; /* Request index */ u8 cb_idx; /* callback function index */ u8 rsvd; } fld; } msgctxu; } hwhdr; /* * Remark: 32 bit identifier: * 31-24: reserved * 23-16: call back index * 15-0 : request index */ } MPT_FRAME_TRACKER; /* * We might want to view/access a frame as: * 1) generic request header * 2) SCSIIORequest * 3) SCSIIOReply * 4) MPIDefaultReply * 5) frame tracker */ typedef struct _MPT_FRAME_HDR { union { MPIHeader_t hdr; SCSIIORequest_t scsireq; SCSIIOReply_t sreply; ConfigReply_t configreply; MPIDefaultReply_t reply; MPT_FRAME_TRACKER frame; } u; } MPT_FRAME_HDR; #define MPT_REQ_MSGFLAGS_DROPME 0x80 /* Used for tracking the free request frames * and free reply frames. */ typedef struct _MPT_Q_TRACKER { MPT_FRAME_HDR *head; MPT_FRAME_HDR *tail; } MPT_Q_TRACKER; typedef struct _MPT_SGL_HDR { SGESimple32_t sge[1]; } MPT_SGL_HDR; typedef struct _MPT_SGL64_HDR { SGESimple64_t sge[1]; } MPT_SGL64_HDR; typedef struct _Q_ITEM { struct _Q_ITEM *forw; struct _Q_ITEM *back; } Q_ITEM; typedef struct _Q_TRACKER { struct _Q_ITEM *head; struct _Q_ITEM *tail; } Q_TRACKER; typedef struct _MPT_DONE_Q { struct _MPT_DONE_Q *forw; struct _MPT_DONE_Q *back; void *argp; } MPT_DONE_Q; typedef struct _DONE_Q_TRACKER { MPT_DONE_Q *head; MPT_DONE_Q *tail; } DONE_Q_TRACKER; /* * Chip-specific stuff... FC929 delineates break between * FC and Parallel SCSI parts. Do NOT re-order. */ typedef enum { FC919X = 0x0819, FC929X = 0x0829, FC909 = 0x0909, FC919 = 0x0919, FC929 = 0x0929, C1030 = 0x1030, C1035 = 0x1035, FCUNK = 0xFBAD } CHIP_TYPE; /* * System interface register set */ typedef struct _SYSIF_REGS { u32 Doorbell; /* 00 System<->IOC Doorbell reg */ u32 WriteSequence; /* 04 Write Sequence register */ u32 Diagnostic; /* 08 Diagnostic register */ u32 TestBase; /* 0C Test Base Address */ u32 DiagRwData; /* 10 Read Write Data (fw download) */ u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/ u32 Reserved1[6]; /* 18-2F reserved for future use */ u32 IntStatus; /* 30 Interrupt Status */ u32 IntMask; /* 34 Interrupt Mask */ u32 Reserved2[2]; /* 38-3F reserved for future use */ u32 RequestFifo; /* 40 Request Post/Free FIFO */ u32 ReplyFifo; /* 44 Reply Post/Free FIFO */ u32 Reserved3[2]; /* 48-4F reserved for future use */ u32 HostIndex; /* 50 Host Index register */ u32 Reserved4[15]; /* 54-8F */ u32 Fubar; /* 90 For Fubar usage */ u32 Reserved5[27]; /* 94-FF */ } SYSIF_REGS; /* * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h * in conjunction with SYSIF_REGS accesses! */ /* * Dynamic Multi-Pathing specific stuff... */ #define DMP_MAX_PATHS 8 typedef struct _PathInfo { u8 ioc; u8 target; u8 pad; u8 pflags; } PathInfo; #define PATHINFO_FLAGS_OWNED 0x01 #define PATHINFO_FLAGS_EXISTS 0x02 #define PATHINFO_FLAGS_AVAILABLE 0x04 #define PATHINFO_FLAGS_SECONDARY 0x08 #define PFLAGS_EXISTS_AND_AVAIL (PATHINFO_FLAGS_EXISTS|PATHINFO_FLAGS_AVAILABLE) #define PFLAGS_AVAIL_AND_OWNED (PATHINFO_FLAGS_AVAILABLE|PATHINFO_FLAGS_OWNED) typedef struct _ScsiCmndTracker { void *head; void *tail; } ScsiCmndTracker; /* * VirtDevice - FC LUN device or SCSI target device * (used to be FCSCSI_TARGET) */ typedef struct _VirtDevice { struct _VirtDevice *forw; struct _VirtDevice *back; struct scsi_device *device; rwlock_t VdevLock; int ref_cnt; u8 tflags; u8 ioc_id; u8 target_id; u8 bus_id; u8 minSyncFactor; /* 0xFF is async */ u8 maxOffset; /* 0 if async */ u8 maxWidth; /* 0 if narrow, 1 if wide*/ u8 negoFlags; /* bit field, 0 if WDTR/SDTR/QAS allowed */ u8 raidVolume; /* set, if RAID Volume */ u8 type; /* byte 0 of Inquiry data */ u8 cflags; /* controller flags */ u8 rsvd1raid; int npaths; u16 fc_phys_lun; u16 fc_xlat_lun; int stall_detected; PathInfo path[DMP_MAX_PATHS]; struct timer_list stall_timer; struct timer_list retry_timer; struct timer_list gone_timer; ScsiCmndTracker WaitQ; ScsiCmndTracker SentQ; ScsiCmndTracker DoneQ; u32 num_luns; u32 luns[8]; /* Max LUNs is 256 */ u8 pad[4]; u8 inq_data[8]; /* IEEE Registered Extended Identifier obtained via INQUIRY VPD page 0x83 */ /* NOTE: Do not separate uniq_prepad and uniq_data as they are treateed as a single entity in the code */ u8 uniq_prepad[8]; u8 uniq_data[20]; u8 pad2[4]; } VirtDevice; /* * Fibre Channel (SCSI) target device and associated defines... */ #define MPT_TARGET_DEFAULT_DV_STATUS 0 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,55) #define MPT_TARGET_FLAGS_CONFIGURED 0x02 #define MPT_TARGET_FLAGS_Q_YES 0x08 #else #define MPT_TARGET_FLAGS_VALID_NEGO 0x01 #define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02 #define MPT_TARGET_FLAGS_Q_YES 0x08 #define MPT_TARGET_FLAGS_VALID_56 0x10 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20 #endif #define MPT_TARGET_NO_NEGO_WIDE 0x01 #define MPT_TARGET_NO_NEGO_SYNC 0x02 #define MPT_TARGET_NO_NEGO_QAS 0x04 typedef struct _VirtDevTracker { struct _VirtDevice *head; struct _VirtDevice *tail; rwlock_t VlistLock; int pad; } VirtDevTracker; /* * /proc/mpt interface */ typedef struct { const char *name; mode_t mode; int pad; read_proc_t *read_proc; write_proc_t *write_proc; } mpt_proc_entry_t; #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \ do { \ len -= offset; \ if (len < request) { \ *eof = 1; \ if (len <= 0) \ return 0; \ } else \ len = request; \ *start = buf + offset; \ return len; \ } while (0) /* * IOCTL structure and associated defines */ #define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/ #define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */ #define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */ #define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */ #define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */ #define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */ #define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */ #define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */ typedef struct _MPT_IOCTL { struct _MPT_ADAPTER *ioc; struct timer_list timer; /* timer function for this adapter */ u8 ReplyFrame[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */ u8 sense[MPT_SENSE_BUFFER_ALLOC]; int wait_done; /* wake-up value for this ioc */ u8 rsvd; u8 status; /* current command status */ u8 reset; /* 1 if bus reset allowed */ u8 target; /* target for reset */ void *tmPtr; struct timer_list TMtimer; /* timer function for this adapter */ } MPT_IOCTL; /* * Event Structure and define */ #define MPTCTL_EVENT_LOG_SIZE (0x0000000A) typedef struct _mpt_ioctl_events { u32 event; /* Specified by define above */ u32 eventContext; /* Index or counter */ int data[2]; /* First 8 bytes of Event Data */ } MPT_IOCTL_EVENTS; /* * CONFIGPARM status defines */ #define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS #define MPT_CONFIG_ERROR 0x002F /* * Substructure to store SCSI specific configuration page data */ /* dvStatus defines: */ #define MPT_SCSICFG_NEGOTIATE 0x01 /* Negotiate on next IO */ #define MPT_SCSICFG_NEED_DV 0x02 /* Schedule DV */ #define MPT_SCSICFG_DV_PENDING 0x04 /* DV on this physical id pending */ #define MPT_SCSICFG_DV_NOT_DONE 0x08 /* DV has not been performed */ #define MPT_SCSICFG_BLK_NEGO 0x10 /* WriteSDP1 with WDTR and SDTR disabled */ #define MPT_SCSICFG_RELOAD_IOC_PG3 0x20 /* IOC Pg 3 data is obsolete */ /* Args passed to writeSDP1: */ #define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */ #define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */ /* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */ typedef struct _ScsiCfgData { u32 PortFlags; int *nvram; /* table of device NVRAM values */ IOCPage3_t *pIocPg3; /* table of physical disks */ IOCPage4_t *pIocPg4; /* SEP devices addressing */ dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */ int IocPg4Sz; /* IOCPage4 size */ u8 dvStatus[MPT_MAX_SCSI_DEVICES]; int isRaid; /* bit field, 1 if RAID */ u8 minSyncFactor; /* 0xFF if async */ u8 maxSyncOffset; /* 0 if async */ u8 maxBusWidth; /* 0 if narrow, 1 if wide */ u8 busType; /* SE, LVD, HD */ u8 sdp1version; /* SDP1 version */ u8 sdp1length; /* SDP1 length */ u8 sdp0version; /* SDP0 version */ u8 sdp0length; /* SDP0 length */ u8 dvScheduled; /* 1 if scheduled */ u8 forceDv; /* 1 to force DV scheduling */ u8 noQas; /* Disable QAS for this adapter */ u8 Saf_Te; /* 1 to force all Processors as SAF-TE if Inquiry data length is too short to check for SAF-TE */ u8 rsvd[1]; } ScsiCfgData; typedef struct _fw_image { char *fw; dma_addr_t fw_dma; u32 size; u32 rsvd; } fw_image_t; /* * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS */ typedef struct _MPT_ADAPTER { struct _MPT_ADAPTER *forw; struct _MPT_ADAPTER *back; int id; /* Unique adapter id N {0,1,2,...} */ int pci_irq; /* This irq */ char name[MPT_NAME_LENGTH]; /* "iocN" */ char *prod_name; /* "LSIFC9x9" */ volatile SYSIF_REGS *chip; /* == c8817000 (mmap) */ volatile SYSIF_REGS *pio_chip; /* Programmed IO (downloadboot) */ u32 mem_phys; /* == f4020000 (mmap) */ u32 pio_mem_phys; /* Programmed IO (downloadboot) */ int mem_size; /* mmap memory size */ int alloc_total; u32 last_state; int active; u8 *reply_alloc; /* Reply frames alloc ptr */ dma_addr_t reply_alloc_dma; MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */ dma_addr_t reply_frames_dma; u32 reply_frames_low_dma; int reply_depth; /* Num Allocated reply frames */ int reply_sz; /* Reply frame size */ CHIP_TYPE chip_type; /* We (host driver) get to manage our own RequestQueue! */ u8 *req_alloc; /* Request frames alloc ptr */ dma_addr_t req_alloc_dma; MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */ dma_addr_t req_frames_dma; u32 req_frames_low_dma; int req_depth; /* Number of request frames */ int req_sz; /* Request frame size (bytes) */ spinlock_t FreeQlock; MPT_Q_TRACKER FreeQ; /* Pool of SCSI sense buffers for commands coming from * the SCSI mid-layer. We have one 256 byte sense buffer * for each REQ entry. */ u8 *sense_buf_pool; dma_addr_t sense_buf_pool_dma; u32 sense_buf_low_dma; int mtrr_reg; struct pci_dev *pcidev; /* struct pci_dev pointer */ u8 *memmap; /* mmap address */ struct Scsi_Host *sh; /* Scsi Host pointer */ ScsiCfgData spi_data; /* Scsi config. data */ MPT_IOCTL *ioctl; /* ioctl data pointer */ struct proc_dir_entry *ioc_dentry; struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */ spinlock_t diagLock; /* diagnostic reset lock */ int diagPending; u32 biosVersion; /* BIOS version from IO Unit Page 2 */ int eventTypes; /* Event logging parameters */ int eventContext; /* Next event context */ int eventLogSize; /* Max number of cached events */ #ifdef MPTSCSIH_DBG_TIMEOUT int timeout_hard; int timeout_delta; int timeout_cnt; int timeout_maxcnt; #endif struct _mpt_ioctl_events *events; /* pointer to event log */ fw_image_t **cached_fw; /* Pointer to FW SG List */ Q_TRACKER configQ; /* linked list of config. requests */ int num_fw_frags; /* Number of SGE in FW SG List */ int hs_reply_idx; #ifndef MFCNT u32 pad0; #else u32 mfcnt; #endif u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)]; u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)]; IOCFactsReply_t facts; PortFactsReply_t pfacts[2]; FCPortPage0_t fc_port_page0[2]; LANPage0_t lan_cnfg_page0; LANPage1_t lan_cnfg_page1; u8 FirstWhoInit; u8 upload_fw; /* If set, do a fw upload */ u8 reload_fw; /* Force a FW Reload on next reset */ u8 pad1[5]; } MPT_ADAPTER; typedef struct _MPT_ADAPTER_TRACKER { MPT_ADAPTER *head; MPT_ADAPTER *tail; } MPT_ADAPTER_TRACKER; /* * New return value convention: * 1 = Ok to free associated request frame * 0 = not Ok ... */ typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply); typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply); typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase); /* reset_phase defs */ #define MPT_IOC_PRE_RESET 0 #define MPT_IOC_POST_RESET 1 #define MPT_IOC_SETUP_RESET 2 /* * Invent MPT host event (super-set of MPI Events) * Fitted to 1030's 64-byte [max] request frame size */ typedef struct _MPT_HOST_EVENT { EventNotificationReply_t MpiEvent; /* 8 32-bit words! */ u32 pad[6]; void *next; } MPT_HOST_EVENT; #define MPT_HOSTEVENT_IOC_BRINGUP 0x91 #define MPT_HOSTEVENT_IOC_RECOVER 0x92 /* Define the generic types based on the size * of the dma_addr_t type. */ typedef struct _mpt_sge { u32 FlagsLength; dma_addr_t Address; } MptSge_t; #define mpt_addr_size() \ ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \ MPI_SGE_FLAGS_32_BIT_ADDRESSING) #define mpt_msg_flags() \ ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \ MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Funky (private) macros... */ #ifdef MPT_DEBUG #define dprintk(x) printk x #else #define dprintk(x) #endif #ifdef MPT_DEBUG_HANDSHAKE #define dhsprintk(x) printk x #else #define dhsprintk(x) #endif //#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME) #if defined(MPT_DEBUG_MSG_FRAME) #define dmfprintk(x) printk x #else #define dmfprintk(x) #endif #ifdef MPT_DEBUG_IRQ #define dirqprintk(x) printk x #else #define dirqprintk(x) #endif #ifdef MPT_DEBUG_SG #define dsgprintk(x) printk x #else #define dsgprintk(x) #endif #if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG) #define ddlprintk(x) printk x #else #define ddlprintk(x) #endif #ifdef MPT_DEBUG_DV #define ddvprintk(x) printk x #else #define ddvprintk(x) #endif #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY) #define ddvtprintk(x) printk x #else #define ddvtprintk(x) #endif #ifdef MPT_DEBUG_IOCTL #define dctlprintk(x) printk x #else #define dctlprintk(x) #endif #ifdef MPT_DEBUG_RESET #define dtmprintk(x) printk x #else #define dtmprintk(x) #endif #ifdef MPT_DEBUG_NEH #define nehprintk(x) printk x #else #define nehprintk(x) #endif #if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG) #define dcprintk(x) printk x #else #define dcprintk(x) #endif #if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME) #define dsprintk(x) printk x #else #define dsprintk(x) #endif #define MPT_INDEX_2_MFPTR(ioc,idx) \ (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) ) #define MFPTR_2_MPT_INDEX(ioc,mf) \ (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz ) #define MPT_INDEX_2_RFPTR(ioc,idx) \ (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) ) #define Q_INIT(q,type) (q)->head = (q)->tail = (type*)(q) #define Q_IS_EMPTY(q) ((Q_ITEM*)(q)->head == (Q_ITEM*)(q)) #define Q_ADD_TAIL(qt,i,type) { \ Q_TRACKER *_qt = (Q_TRACKER*)(qt); \ Q_ITEM *oldTail = _qt->tail; \ (i)->forw = (type*)_qt; \ (i)->back = (type*)oldTail; \ oldTail->forw = (Q_ITEM*)(i); \ _qt->tail = (Q_ITEM*)(i); \ } #define Q_ADD_HEAD(qt,i,type) { \ Q_TRACKER *_qt = (Q_TRACKER*)(qt); \ Q_ITEM *oldHead = _qt->head; \ (i)->forw = (type*)oldHead; \ (i)->back = (type*)_qt; \ oldHead->back = (Q_ITEM*)(i); \ _qt->head = (Q_ITEM*)(i); \ } #define Q_DEL_ITEM(i) { \ Q_ITEM *_forw = (Q_ITEM*)(i)->forw; \ Q_ITEM *_back = (Q_ITEM*)(i)->back; \ _back->forw = _forw; \ _forw->back = _back; \ } #define SWAB4(value) \ (u32)( (((value) & 0x000000ff) << 24) \ | (((value) & 0x0000ff00) << 8) \ | (((value) & 0x00ff0000) >> 8) \ | (((value) & 0xff000000) >> 24) ) #if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME) #define DBG_DUMP_REPLY_FRAME(mfp) \ { u32 *m = (u32 *)(mfp); \ int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \ printk(KERN_INFO " "); \ for (i=0; i<n; i++) \ printk(" %08x", le32_to_cpu(m[i])); \ printk("\n"); \ } #define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \ { int i, n = 3; \ u32 *m = (u32 *)(mfp); \ printk(KERN_INFO " "); \ for (i=0; i<n; i++) \ printk(" %08x", le32_to_cpu(m[i])); \ printk("\n"); \ } #else #define DBG_DUMP_REPLY_FRAME(mfp) #define DBG_DUMP_REQUEST_FRAME_HDR(mfp) #endif /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers * Private to the driver. */ /* LOCAL structure and fields used when processing * internally generated commands. These include: * bus scan, dv and config requests. */ typedef struct _MPT_LOCAL_REPLY { ConfigPageHeader_t header; int completion; u8 sense[SCSI_STD_SENSE_BYTES]; u8 scsiStatus; u8 skip; u32 pad; } MPT_LOCAL_REPLY; #define MPT_HOST_BUS_UNKNOWN (0xFF) #define MPT_HOST_TOO_MANY_TM (0x05) #define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) #define MPT_HOST_NO_CHAIN (0xFFFFFFFF) #define MPT_NVRAM_MASK_TIMEOUT (0x000000FF) #define MPT_NVRAM_SYNC_MASK (0x0000FF00) #define MPT_NVRAM_SYNC_SHIFT (8) #define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000) #define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000) #define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000) #define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000) #define MPT_NVRAM_WIDE_DISABLE (0x00100000) #define MPT_NVRAM_BOOT_CHOICE (0x00200000) #ifdef MPT_SCSI_USE_NEW_EH /* The TM_STATE variable is used to provide strict single threading of TM * requests as well as communicate TM error conditions. */ #define TM_STATE_NONE (0) #define TM_STATE_IN_PROGRESS (1) #define TM_STATE_ERROR (2) #endif typedef struct _MPT_SCSI_HOST { MPT_ADAPTER *ioc; int port; u32 pad0; struct scsi_cmnd **ScsiLookup; /* Pool of buffers for chaining. ReqToChain * and ChainToChain track index of chain buffers. * ChainBuffer (DMA) virt/phys addresses. * FreeChainQ (lock) locking mechanisms. */ int *ReqToChain; int *ChainToChain; u8 *ChainBuffer; dma_addr_t ChainBufferDMA; MPT_Q_TRACKER FreeChainQ; spinlock_t FreeChainQlock; u32 qtag_tick; VirtDevice **Targets; MPT_LOCAL_REPLY *pLocal; /* used for internal commands */ struct timer_list timer; struct timer_list TMtimer; /* Timer for TM commands ONLY */ /* Pool of memory for holding SCpnts before doing * OS callbacks. freeQ is the free pool. */ u8 *memQ; DONE_Q_TRACKER freeQ; DONE_Q_TRACKER doneQ; /* Holds Linux formmatted requests */ DONE_Q_TRACKER pendingQ; /* Holds MPI formmatted requests */ MPT_Q_TRACKER taskQ; /* TM request Q */ spinlock_t freedoneQlock; int taskQcnt; int num_chain; /* Number of chain buffers */ int max_sge; /* Max No of SGE*/ u8 numTMrequests; u8 tmPending; u8 resetPending; u8 is_spi; /* Parallel SCSI i/f */ u8 negoNvram; /* DV disabled, nego NVRAM */ u8 is_multipath; /* Multi-path compatible */ #ifdef MPT_SCSI_USE_NEW_EH u8 tmState; u8 rsvd[1]; #else u8 rsvd[2]; #endif MPT_FRAME_HDR *tmPtr; /* Ptr to TM request*/ MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */ struct scsi_cmnd *abortSCpnt; MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */ unsigned long hard_resets; /* driver forced bus resets count */ unsigned long soft_resets; /* fw/external bus resets count */ unsigned long timeouts; /* cmd timeouts */ ushort sel_timeout[MPT_MAX_FC_DEVICES]; } MPT_SCSI_HOST; /* * Structure for overlaying onto scsi_cmnd->SCp area * NOTE: SCp area is 36 bytes min, 44 bytes max? */ typedef struct _scPrivate { struct scsi_cmnd *forw; struct scsi_cmnd *back; void *p1; void *p2; u8 io_path_id; /* DMP */ u8 pad[7]; } scPrivate; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * More Dynamic Multi-Pathing stuff... */ /* Forward decl, a strange C thing, to prevent gcc compiler warnings */ struct scsi_cmnd; /* * DMP service layer structure / API interface */ typedef struct _DmpServices { VirtDevTracker VdevList; struct semaphore *Daemon; int (*ScsiPathSelect) (struct scsi_cmnd *, MPT_SCSI_HOST **hd, int *target, int *lun); int (*DmpIoDoneChk) (MPT_SCSI_HOST *, struct scsi_cmnd *, SCSIIORequest_t *, SCSIIOReply_t *); void (*mptscsih_scanVlist) (MPT_SCSI_HOST *, int portnum); int (*ScsiAbort) (struct scsi_cmnd *); int (*ScsiBusReset) (struct scsi_cmnd *); } DmpServices_t; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Generic structure passed to the base mpt_config function. */ typedef struct _x_config_parms { Q_ITEM linkage; /* linked list */ struct timer_list timer; /* timer function for this request */ ConfigPageHeader_t *hdr; dma_addr_t physAddr; int wait_done; /* wait for this request */ u32 pageAddr; /* properly formatted */ u8 action; u8 dir; u8 timeout; /* seconds */ u8 pad1; u16 status; u16 pad2; } CONFIGPARMS; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * Public entry points... */ extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass); extern void mpt_deregister(int cb_idx); extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc); extern void mpt_event_deregister(int cb_idx); extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func); extern void mpt_reset_deregister(int cb_idx); extern int mpt_register_ascqops_strings(void *ascqTable, int ascqtbl_sz, const char **opsTable); extern void mpt_deregister_ascqops_strings(void); extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, int iocid); extern void mpt_free_msg_frame(int handle, int iocid, MPT_FRAME_HDR *mf); extern void mpt_put_msg_frame(int handle, int iocid, MPT_FRAME_HDR *mf); extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr); extern void mpt_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr); extern int mpt_send_handshake_request(int handle, int iocid, int reqBytes, u32 *req, int sleepFlag); extern int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, int replyBytes, u16 *u16reply, int maxwait, int sleepFlag); extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp); extern MPT_ADAPTER *mpt_adapter_find_first(void); extern MPT_ADAPTER *mpt_adapter_find_next(MPT_ADAPTER *prev); extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked); extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan); extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag); extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg); extern void *mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size, int *frags, int *alloc_sz); extern void mpt_free_fw_memory(MPT_ADAPTER *ioc, fw_image_t **alt_img); extern int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc); /* * Public data decl's... */ extern MPT_ADAPTER *mpt_adapters[MPT_MAX_ADAPTERS]; extern struct proc_dir_entry *mpt_proc_root_dir; extern DmpServices_t *DmpService; extern int mpt_lan_index; /* needed by mptlan.c */ extern int mpt_stm_index; /* needed by mptstm.c */ extern void *mpt_v_ASCQ_TablePtr; extern const char **mpt_ScsiOpcodesPtr; extern int mpt_ASCQ_TableSz; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #endif /* } __KERNEL__ */ /* * More (public) macros... */ #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif #ifndef MAX #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #endif #ifndef offsetof #define offsetof(t, m) ((size_t) (&((t *)0)->m)) #endif #if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__) #define CAST_U32_TO_PTR(x) ((void *)(u64)x) #define CAST_PTR_TO_U32(x) ((u32)(u64)x) #else #define CAST_U32_TO_PTR(x) ((void *)x) #define CAST_PTR_TO_U32(x) ((u32)x) #endif #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \ ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \ ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \ ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \ ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b' /* * Shifted SGE Defines - Use in SGE with FlagsLength member. * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header). * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read */ #define MPT_TRANSFER_IOC_TO_HOST (0x00000000) #define MPT_TRANSFER_HOST_TO_IOC (0x04000000) #define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000) #define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000) #define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000) #define MPT_SGE_FLAGS_DIRECTION (0x04000000) #define MPT_SGE_FLAGS_ADDRESSING (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT) #define MPT_SGE_FLAGS_END_OF_LIST (0x01000000) #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000) #define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000) #define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000) #define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000) #define MPT_SGE_FLAGS_SSIMPLE_READ \ (MPT_SGE_FLAGS_LAST_ELEMENT | \ MPT_SGE_FLAGS_END_OF_BUFFER | \ MPT_SGE_FLAGS_END_OF_LIST | \ MPT_SGE_FLAGS_SIMPLE_ELEMENT | \ MPT_SGE_FLAGS_ADDRESSING | \ MPT_TRANSFER_IOC_TO_HOST) #define MPT_SGE_FLAGS_SSIMPLE_WRITE \ (MPT_SGE_FLAGS_LAST_ELEMENT | \ MPT_SGE_FLAGS_END_OF_BUFFER | \ MPT_SGE_FLAGS_END_OF_LIST | \ MPT_SGE_FLAGS_SIMPLE_ELEMENT | \ MPT_SGE_FLAGS_ADDRESSING | \ MPT_TRANSFER_HOST_TO_IOC) /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ #endif
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