mptbase.h
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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:Pam.Delaney@lsil.com)
- *
- * $Id: mptbase.h,v 1.133 2002/09/05 22:30:09 pdelaney 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) 1999-2002 " MODULEAUTHOR
- #endif
- #define MPT_LINUX_VERSION_COMMON "2.02.01"
- #define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-2.02.01"
- #define WHAT_MAGIC_STRING "@" "(" "#" ")"
- #define show_mptmod_ver(s,ver)
- printk(KERN_INFO "%s %sn", s, ver);
- /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
- /*
- * Fusion MPT(linux) driver configurable stuff...
- */
- #define MPT_MAX_ADAPTERS 16
- #define MPT_MAX_PROTOCOL_DRIVERS 16
- #define MPT_MAX_BUS 1
- #define MPT_MAX_FC_DEVICES 255
- #define MPT_MAX_SCSI_DEVICES 16
- #define MPT_LAST_LUN 31
- #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_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
- /*
- * 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;
- 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,
- 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;
- 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 */
- #ifdef ABORT_FIX
- u8 numAborts;
- #else
- u8 rsvd;
- #endif
- u16 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;
- //--- LUN split here?
- u8 sense[SCSI_STD_SENSE_BYTES]; /* 18 */
- u8 rsvd2[2]; /* alignment */
- u32 luns; /* Max LUNs is 32 */
- u8 inq_data[SCSI_STD_INQUIRY_BYTES]; /* 36 */
- u8 pad0[4];
- u8 inq00_data[20];
- u8 pad1[4];
- /* 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];
- u8 inqC3_data[12];
- u8 pad3[4];
- u8 inqC9_data[12];
- u8 pad4[4];
- u8 dev_vol_name[64];
- } VirtDevice;
- /*
- * Fibre Channel (SCSI) target device and associated defines...
- */
- #define MPT_TARGET_DEFAULT_DV_STATUS 0
- #define MPT_TARGET_FLAGS_VALID_NEGO 0x01
- #define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
- #define MPT_TARGET_FLAGS_VALID_SENSE 0x04
- #define MPT_TARGET_FLAGS_Q_YES 0x08
- #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 */
- /* 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 {
- int *nvram; /* table of device NVRAM values */
- IOCPage3_t *pIocPg3; /* table of physical disks */
- u8 dvStatus[MPT_MAX_SCSI_DEVICES];
- u8 iocntr[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 rsvd[2];
- } 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;
- void *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 */
- 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 pad1[6];
- } 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
- /*
- * 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
- #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;
- 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 */
- } 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);
- /*
- * 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__)
- #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