/*****************************************************************************/ /* ips.h -- driver for the IBM ServeRAID adapter */ /* */ /* Written By: Keith Mitchell, IBM Corporation */ /* */ /* Copyright (C) 1999 IBM Corporation */ /* */ /* 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; either version 2 of the License, or */ /* (at your option) any later version. */ /* */ /* 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 */ /* */ /* Bugs/Comments/Suggestions should be mailed to: */ /* ipslinux@us.ibm.com */ /* */ /*****************************************************************************/ #ifndef _IPS_H_ #define _IPS_H_ #include #include #include /* Prototypes */ extern int ips_detect(Scsi_Host_Template *); extern int ips_release(struct Scsi_Host *); extern int ips_abort(Scsi_Cmnd *); extern int ips_reset(Scsi_Cmnd *, unsigned int); extern int ips_eh_abort(Scsi_Cmnd *); extern int ips_eh_reset(Scsi_Cmnd *); extern int ips_queue(Scsi_Cmnd *, void (*) (Scsi_Cmnd *)); extern int ips_biosparam(Disk *, kdev_t, int *); extern const char * ips_info(struct Scsi_Host *); extern void do_ipsintr(int, void *, struct pt_regs *); /* * Some handy macros */ #ifndef LinuxVersionCode #define LinuxVersionCode(x,y,z) (((x)<<16)+((y)<<8)+(z)) #endif #define HA(x) ((ips_ha_t *) x->hostdata) #define IPS_COMMAND_ID(ha, scb) (int) (scb - ha->scbs) #define VIRT_TO_BUS(x) (unsigned int)virt_to_bus((void *) x) #define UDELAY udelay #define MDELAY mdelay #define verify_area_20(t,a,sz) (0) /* success */ #define PUT_USER put_user #define __PUT_USER __put_user #define PUT_USER_RET put_user_ret #define GET_USER get_user #define __GET_USER __get_user #define GET_USER_RET get_user_ret /* * Adapter address map equates */ #define HISR 0x08 /* Host Interrupt Status Reg */ #define CCSAR 0x10 /* Cmd Channel System Addr Reg */ #define CCCR 0x14 /* Cmd Channel Control Reg */ #define SQHR 0x20 /* Status Q Head Reg */ #define SQTR 0x24 /* Status Q Tail Reg */ #define SQER 0x28 /* Status Q End Reg */ #define SQSR 0x2C /* Status Q Start Reg */ #define SCPR 0x05 /* Subsystem control port reg */ #define ISPR 0x06 /* interrupt status port reg */ #define CBSP 0x07 /* CBSP register */ /* * Adapter register bit equates */ #define GHI 0x04 /* HISR General Host Interrupt */ #define SQO 0x02 /* HISR Status Q Overflow */ #define SCE 0x01 /* HISR Status Channel Enqueue */ #define SEMAPHORE 0x08 /* CCCR Semaphore Bit */ #define ILE 0x10 /* CCCR ILE Bit */ #define START_COMMAND 0x101A /* CCCR Start Command Channel */ #define START_STOP_BIT 0x0002 /* CCCR Start/Stop Bit */ #define RST 0x80 /* SCPR Reset Bit */ #define EBM 0x02 /* SCPR Enable Bus Master */ #define EI 0x80 /* HISR Enable Interrupts */ #define OP 0x01 /* OP bit in CBSP */ /* * Adapter Command ID Equates */ #define GET_LOGICAL_DRIVE_INFO 0x19 #define GET_SUBSYS_PARAM 0x40 #define READ_NVRAM_CONFIGURATION 0x38 #define RW_NVRAM_PAGE 0xBC #define IPS_READ 0x02 #define IPS_WRITE 0x03 #define ENQUIRY 0x05 #define FLUSH_CACHE 0x0A #define NORM_STATE 0x00 #define READ_SCATTER_GATHER 0x82 #define WRITE_SCATTER_GATHER 0x83 #define DIRECT_CDB 0x04 #define DIRECT_CDB_SCATTER_GATHER 0x84 #define CONFIG_SYNC 0x58 #define POCL 0x30 #define GET_ERASE_ERROR_TABLE 0x17 #define RESET_CHANNEL 0x1A #define CSL 0xFF #define ADAPT_RESET 0xFF /* * Adapter Equates */ #define IPS_MAX_ADAPTERS 16 #define IPS_MAX_IOCTL 1 #define IPS_MAX_IOCTL_QUEUE 8 #define IPS_MAX_QUEUE 128 #define IPS_BLKSIZE 512 #define MAX_SG_ELEMENTS 17 #define MAX_LOGICAL_DRIVES 8 #define MAX_CHANNELS 3 #define MAX_TARGETS 15 #define MAX_CHUNKS 16 #define MAX_CMDS 128 #define IPS_MAX_XFER 0x10000 #define COMP_MODE_HEADS 128 #define COMP_MODE_SECTORS 32 #define NORM_MODE_HEADS 254 #define NORM_MODE_SECTORS 63 #define NVRAM_PAGE5_SIGNATURE 0xFFDDBB99 #define MAX_POST_BYTES 0x02 #define MAX_CONFIG_BYTES 0x02 #define GOOD_POST_BASIC_STATUS 0x80 #define SEMAPHORE_TIMEOUT 2000 #define IPS_INTR_OFF 0 #define IPS_INTR_ON 1 #define IPS_ADAPTER_ID 0xF #define IPS_VENDORID 0x1014 #define IPS_DEVICEID 0x002E #define TIMEOUT_10 0x10 #define TIMEOUT_60 0x20 #define TIMEOUT_20M 0x30 #define STATUS_SIZE 4 #define STATUS_Q_SIZE (MAX_CMDS+1) * STATUS_SIZE #define ONE_MSEC 1 #define ONE_SEC 1000 /* * Adapter Basic Status Codes */ #define BASIC_STATUS_MASK 0xFF #define GSC_STATUS_MASK 0x0F #define SSUCCESS 0x00 #define RECOVERED_ERROR 0x01 #define IPS_CHECK_CONDITION 0x02 #define INVAL_OPCO 0x03 #define INVAL_CMD_BLK 0x04 #define INVAL_PARM_BLK 0x05 #define IPS_BUSY 0x08 #define ADAPT_HARDWARE_ERROR 0x09 #define ADAPT_FIRMWARE_ERROR 0x0A #define CMD_CMPLT_WERROR 0x0C #define LOG_DRV_ERROR 0x0D #define CMD_TIMEOUT 0x0E #define PHYS_DRV_ERROR 0x0F /* * Adapter Extended Status Equates */ #define SELECTION_TIMEOUT 0xF0 #define DATA_OVER_UNDER_RUN 0xF2 #define EXT_HOST_RESET 0xF7 #define EXT_DEVICE_RESET 0xF8 #define EXT_RECOVERY 0xFC #define EXT_CHECK_CONDITION 0xFF /* * Operating System Defines */ #define OS_WINDOWS_NT 0x01 #define OS_NETWARE 0x02 #define OS_OPENSERVER 0x03 #define OS_UNIXWARE 0x04 #define OS_SOLARIS 0x05 #define OS_OS2 0x06 #define OS_LINUX 0x07 #define OS_FREEBSD 0x08 /* * Adapter Command/Status Packet Definitions */ #define IPS_SUCCESS 0x01 /* Successfully completed */ #define IPS_SUCCESS_IMM 0x02 /* Success - Immediately */ #define IPS_FAILURE 0x04 /* Completed with Error */ /* * Logical Drive Equates */ #define OFF_LINE 0x02 #define OKAY 0x03 #define FREE 0x00 #define SYS 0x06 #define CRS 0x24 /* * DCDB Table Equates */ #define NO_DISCONNECT 0x00 #define DISCONNECT_ALLOWED 0x80 #define NO_AUTO_REQUEST_SENSE 0x40 #define IPS_DATA_NONE 0x00 #define IPS_DATA_UNK 0x00 #define IPS_DATA_IN 0x01 #define IPS_DATA_OUT 0x02 #define TRANSFER_64K 0x08 #define NOTIMEOUT 0x00 #define TIMEOUT10 0x10 #define TIMEOUT60 0x20 #define TIMEOUT20M 0x30 /* * Host adapter Flags (bit numbers) */ #define IPS_IN_INTR 0 #define IPS_IN_ABORT 1 #define IPS_IN_RESET 2 /* * SCB Flags */ #define SCB_ACTIVE 0x00001 #define SCB_WAITING 0x00002 /* * Passthru stuff */ #define COPPUSRCMD (('C'<<8) | 65) #define IPS_NUMCTRLS (('C'<<8) | 68) #define IPS_CTRLINFO (('C'<<8) | 69) /* * Scsi_Host Template */ #define IPS { \ next : NULL, \ module : NULL, \ proc_info : NULL, \ name : NULL, \ detect : ips_detect, \ release : ips_release, \ info : ips_info, \ command : NULL, \ queuecommand : ips_queue, \ eh_strategy_handler : NULL, \ eh_abort_handler : ips_eh_abort, \ eh_device_reset_handler : NULL, \ eh_bus_reset_handler : NULL, \ eh_host_reset_handler : ips_eh_reset, \ abort : ips_abort, \ reset : ips_reset, \ slave_attach : NULL, \ bios_param : ips_biosparam, \ can_queue : 0, \ this_id: -1, \ sg_tablesize : MAX_SG_ELEMENTS, \ cmd_per_lun: 16, \ present : 0, \ unchecked_isa_dma : 0, \ use_clustering : ENABLE_CLUSTERING, \ use_new_eh_code : 1 \ } /* * IBM PCI Raid Command Formats */ typedef struct { u8 op_code; u8 command_id; u8 log_drv; u8 sg_count; u32 lba; u32 sg_addr; u16 sector_count; u16 reserved; u32 ccsar; u32 cccr; } BASIC_IO_CMD, *PBASIC_IO_CMD; typedef struct { u8 op_code; u8 command_id; u16 reserved; u32 reserved2; u32 buffer_addr; u32 reserved3; u32 ccsar; u32 cccr; } LOGICAL_INFO, *PLOGICAL_INFO; typedef struct { u8 op_code; u8 command_id; u8 reserved; u8 reserved2; u32 reserved3; u32 buffer_addr; u32 reserved4; } IOCTL_INFO, *PIOCTL_INFO; typedef struct { u8 op_code; u8 command_id; u16 reserved; u32 reserved2; u32 dcdb_address; u32 reserved3; u32 ccsar; u32 cccr; } DCDB_CMD, *PDCDB_CMD; typedef struct { u8 op_code; u8 command_id; u8 channel; u8 source_target; u32 reserved; u32 reserved2; u32 reserved3; u32 ccsar; u32 cccr; } CONFIG_SYNC_CMD, *PCONFIG_SYNC_CMD; typedef struct { u8 op_code; u8 command_id; u8 log_drv; u8 control; u32 reserved; u32 reserved2; u32 reserved3; u32 ccsar; u32 cccr; } UNLOCK_STRIPE_CMD, *PUNLOCK_STRIPE_CMD; typedef struct { u8 op_code; u8 command_id; u8 reserved; u8 state; u32 reserved2; u32 reserved3; u32 reserved4; u32 ccsar; u32 cccr; } FLUSH_CACHE_CMD, *PFLUSH_CACHE_CMD; typedef struct { u8 op_code; u8 command_id; u8 reserved; u8 desc; u32 reserved2; u32 buffer_addr; u32 reserved3; u32 ccsar; u32 cccr; } STATUS_CMD, *PSTATUS_CMD; typedef struct { u8 op_code; u8 command_id; u8 page; u8 write; u32 reserved; u32 buffer_addr; u32 reserved2; u32 ccsar; u32 cccr; } NVRAM_CMD, *PNVRAM_CMD; typedef union { BASIC_IO_CMD basic_io; LOGICAL_INFO logical_info; IOCTL_INFO ioctl_info; DCDB_CMD dcdb; CONFIG_SYNC_CMD config_sync; UNLOCK_STRIPE_CMD unlock_stripe; FLUSH_CACHE_CMD flush_cache; STATUS_CMD status; NVRAM_CMD nvram; } HOST_COMMAND, *PHOST_COMMAND; typedef struct { u8 logical_id; u8 reserved; u8 raid_level; u8 state; u32 sector_count; } DRIVE_INFO, *PDRIVE_INFO; typedef struct { u8 no_of_log_drive; u8 reserved[3]; DRIVE_INFO drive_info[MAX_LOGICAL_DRIVES]; } LOGICAL_DRIVE_INFO, *PLOGICAL_DRIVE_INFO; typedef struct { u8 ha_num; u8 bus_num; u8 id; u8 device_type; u32 data_len; u32 data_ptr; u8 scsi_cdb[12]; u32 data_counter; u32 block_size; } NON_DISK_DEVICE_INFO, *PNON_DISK_DEVICE_INFO; typedef struct { u8 device_address; u8 cmd_attribute; u16 transfer_length; u32 buffer_pointer; u8 cdb_length; u8 sense_length; u8 sg_count; u8 reserved; u8 scsi_cdb[12]; u8 sense_info[64]; u8 scsi_status; u8 reserved2[3]; } DCDB_TABLE, *PDCDB_TABLE; typedef struct { volatile u8 reserved; volatile u8 command_id; volatile u8 basic_status; volatile u8 extended_status; } STATUS, *PSTATUS; typedef struct { STATUS status[MAX_CMDS + 1]; volatile PSTATUS p_status_start; volatile PSTATUS p_status_end; volatile PSTATUS p_status_tail; volatile u32 hw_status_start; volatile u32 hw_status_tail; LOGICAL_DRIVE_INFO logical_drive_info; } ADAPTER_AREA, *PADAPTER_AREA; typedef struct { u8 ucLogDriveCount; u8 ucMiscFlag; u8 ucSLTFlag; u8 ucBSTFlag; u8 ucPwrChgCnt; u8 ucWrongAdrCnt; u8 ucUnidentCnt; u8 ucNVramDevChgCnt; u8 CodeBlkVersion[8]; u8 BootBlkVersion[8]; u32 ulDriveSize[MAX_LOGICAL_DRIVES]; u8 ucConcurrentCmdCount; u8 ucMaxPhysicalDevices; u16 usFlashRepgmCount; u8 ucDefunctDiskCount; u8 ucRebuildFlag; u8 ucOfflineLogDrvCount; u8 ucCriticalDrvCount; u16 usConfigUpdateCount; u8 ucBlkFlag; u8 reserved; u16 usAddrDeadDisk[MAX_CHANNELS * MAX_TARGETS]; } ENQCMD, *PENQCMD; typedef struct { u8 ucInitiator; u8 ucParameters; u8 ucMiscFlag; u8 ucState; u32 ulBlockCount; u8 ucDeviceId[28]; } DEVSTATE, *PDEVSTATE; typedef struct { u8 ucChn; u8 ucTgt; u16 ucReserved; u32 ulStartSect; u32 ulNoOfSects; } CHUNK, *PCHUNK; typedef struct { u16 ucUserField; u8 ucState; u8 ucRaidCacheParam; u8 ucNoOfChunkUnits; u8 ucStripeSize; u8 ucParams; u8 ucReserved; u32 ulLogDrvSize; CHUNK chunk[MAX_CHUNKS]; } LOGICAL_DRIVE, *PLOGICAL_DRIVE; typedef struct { u8 board_disc[8]; u8 processor[8]; u8 ucNoChanType; u8 ucNoHostIntType; u8 ucCompression; u8 ucNvramType; u32 ulNvramSize; } HARDWARE_DISC, *PHARDWARE_DISC; typedef struct { u8 ucLogDriveCount; u8 ucDateD; u8 ucDateM; u8 ucDateY; u8 init_id[4]; u8 host_id[12]; u8 time_sign[8]; struct { u32 usCfgDrvUpdateCnt:16; u32 ConcurDrvStartCnt:4; u32 StartupDelay:4; u32 auto_rearrange:1; u32 cd_boot:1; u32 cluster:1; u32 reserved:5; } UserOpt; u16 user_field; u8 ucRebuildRate; u8 ucReserve; HARDWARE_DISC hardware_disc; LOGICAL_DRIVE logical_drive[MAX_LOGICAL_DRIVES]; DEVSTATE dev[MAX_CHANNELS][MAX_TARGETS+1]; u8 reserved[512]; } CONFCMD, *PCONFCMD; typedef struct { u32 signature; u8 reserved; u8 adapter_slot; u16 adapter_type; u8 bios_high[4]; u8 bios_low[4]; u16 reserved2; u8 reserved3; u8 operating_system; u8 driver_high[4]; u8 driver_low[4]; u8 reserved4[100]; } NVRAM_PAGE5, *PNVRAM_PAGE5; typedef struct _SUBSYS_PARAM { u32 param[128]; } SUBSYS_PARAM, *PSUBSYS_PARAM; /* * Inquiry Data Format */ typedef struct { u8 DeviceType:5; u8 DeviceTypeQualifier:3; u8 DeviceTypeModifier:7; u8 RemoveableMedia:1; u8 Versions; u8 ResponseDataFormat; u8 AdditionalLength; u16 Reserved; u8 SoftReset:1; u8 CommandQueue:1; u8 Reserved2:1; u8 LinkedCommands:1; u8 Synchronous:1; u8 Wide16Bit:1; u8 Wide32Bit:1; u8 RelativeAddressing:1; u8 VendorId[8]; u8 ProductId[16]; u8 ProductRevisionLevel[4]; u8 VendorSpecific[20]; u8 Reserved3[40]; } IPS_INQUIRYDATA, *IPS_PINQUIRYDATA; /* * Read Capacity Data Format */ typedef struct { u32 lba; u32 len; } CAPACITY_T; /* * Sense Data Format */ typedef struct { u8 pg_pc:6; /* Page Code */ u8 pg_res1:2; /* Reserved */ u8 pg_len; /* Page Length */ u16 pg_trk_z; /* Tracks per zone */ u16 pg_asec_z; /* Alternate sectors per zone */ u16 pg_atrk_z; /* Alternate tracks per zone */ u16 pg_atrk_v; /* Alternate tracks per volume */ u16 pg_sec_t; /* Sectors per track */ u16 pg_bytes_s; /* Bytes per physical sectors */ u16 pg_intl; /* Interleave */ u16 pg_trkskew; /* Track skew factor */ u16 pg_cylskew; /* Cylinder Skew Factor */ u32 pg_res2:27; /* Reserved */ u32 pg_ins:1; /* Inhibit Slave */ u32 pg_surf:1; /* Allocate Surface Sectors */ u32 pg_rmb:1; /* Removeable */ u32 pg_hsec:1; /* Hard sector formatting */ u32 pg_ssec:1; /* Soft sector formatting */ } DADF_T; typedef struct { u8 pg_pc:6; /* Page Code */ u8 pg_res1:2; /* Reserved */ u8 pg_len; /* Page Length */ u16 pg_cylu; /* Number of cylinders (upper) */ u8 pg_cyll; /* Number of cylinders (lower) */ u8 pg_head; /* Number of heads */ u16 pg_wrpcompu; /* Write precomp (upper) */ u32 pg_wrpcompl:8; /* Write precomp (lower) */ u32 pg_redwrcur:24; /* Reduced write current */ u32 pg_drstep:16; /* Drive step rate */ u32 pg_landu:16; /* Landing zone cylinder (upper) */ u32 pg_landl:8; /* Landing zone cylinder (lower) */ u32 pg_res2:24; /* Reserved */ } RDDG_T; struct blk_desc { u8 bd_dencode; u8 bd_nblks1; u8 bd_nblks2; u8 bd_nblks3; u8 bd_res; u8 bd_blen1; u8 bd_blen2; u8 bd_blen3; }; typedef struct { u8 plh_len; /* Data length */ u8 plh_type; /* Medium type */ u8 plh_res:7; /* Reserved */ u8 plh_wp:1; /* Write protect */ u8 plh_bdl; /* Block descriptor length */ } SENSE_PLH_T; typedef struct { SENSE_PLH_T plh; struct blk_desc blk_desc; union { DADF_T pg3; RDDG_T pg4; } pdata; } ips_mdata_t; /* * Scatter Gather list format */ typedef struct ips_sglist { u32 address; u32 length; } SG_LIST, *PSG_LIST; typedef struct _INFOSTR { char *buffer; int length; int offset; int pos; } INFOSTR; /* * Status Info */ typedef struct ips_stat { u32 residue_len; u32 scb_addr; } ips_stat_t; /* * SCB Queue Format */ typedef struct ips_scb_queue { struct ips_scb *head; struct ips_scb *tail; unsigned int count; } ips_scb_queue_t; /* * Wait queue_format */ typedef struct ips_wait_queue { Scsi_Cmnd *head; Scsi_Cmnd *tail; unsigned int count; } ips_wait_queue_t; typedef struct ips_ha { u8 ha_id[MAX_CHANNELS+1]; u32 dcdb_active[MAX_CHANNELS]; u32 io_addr; /* Base I/O address */ u8 irq; /* IRQ for adapter */ u8 ntargets; /* Number of targets */ u8 nbus; /* Number of buses */ u8 nlun; /* Number of Luns */ u16 ad_type; /* Adapter type */ u16 host_num; /* Adapter number */ u32 max_xfer; /* Maximum Xfer size */ u32 max_cmds; /* Max concurrent commands */ u32 num_ioctl; /* Number of Ioctls */ ips_stat_t sp; /* Status packer pointer */ struct ips_scb *scbs; /* Array of all CCBS */ struct ips_scb *scb_freelist; /* SCB free list */ ips_wait_queue_t scb_waitlist; /* Pending SCB list */ ips_wait_queue_t copp_waitlist; /* Pending PT list */ ips_scb_queue_t scb_activelist; /* Active SCB list */ BASIC_IO_CMD *dummy; /* dummy command */ ADAPTER_AREA *adapt; /* Adapter status area */ ENQCMD *enq; /* Adapter Enquiry data */ CONFCMD *conf; /* Adapter config data */ NVRAM_PAGE5 *nvram; /* NVRAM page 5 data */ SUBSYS_PARAM *subsys; /* Subsystem parameters */ u32 cmd_in_progress; /* Current command in progress*/ u32 flags; /* HA flags */ u8 waitflag; /* are we waiting for cmd */ u8 active; u32 reserved:16; /* reserved space */ wait_queue_head_t copp_queue; /* passthru sync queue */ #if LINUX_VERSION_CODE >= LinuxVersionCode(2,1,0) spinlock_t scb_lock; spinlock_t copp_lock; #endif } ips_ha_t; typedef void (*scb_callback) (ips_ha_t *, struct ips_scb *); /* * SCB Format */ typedef struct ips_scb { HOST_COMMAND cmd; DCDB_TABLE dcdb; u8 target_id; u8 bus; u8 lun; u8 cdb[12]; u32 scb_busaddr; u32 data_busaddr; u32 timeout; u8 basic_status; u8 extended_status; u16 breakup; u32 data_len; u32 sg_len; u32 flags; u32 op_code; SG_LIST *sg_list; Scsi_Cmnd *scsi_cmd; struct ips_scb *q_next; scb_callback callback; } ips_scb_t; /* * Passthru Command Format */ typedef struct { u8 CoppID[4]; u32 CoppCmd; u32 PtBuffer; u8 *CmdBuffer; u32 CmdBSize; ips_scb_t CoppCP; u32 TimeOut; u8 BasicStatus; u8 ExtendedStatus; u16 reserved; } ips_passthru_t; #endif /* * Overrides for Emacs so that we almost follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only. This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-indent-level: 2 * c-brace-imaginary-offset: 0 * c-brace-offset: -2 * c-argdecl-indent: 2 * c-label-offset: -2 * c-continued-statement-offset: 2 * c-continued-brace-offset: 0 * indent-tabs-mode: nil * tab-width: 8 * End: */