patch-2.3.16 linux/drivers/scsi/ips.h
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- Lines: 839
- Date:
Tue Aug 31 16:12:42 1999
- Orig file:
v2.3.15/linux/drivers/scsi/ips.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.15/linux/drivers/scsi/ips.h linux/drivers/scsi/ips.h
@@ -0,0 +1,838 @@
+/*****************************************************************************/
+/* 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 <linux/config.h>
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
+
+ /* 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 64
+ #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 DATA_IN 0x01
+ #define 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_dir : 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];
+} INQUIRYDATA, *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 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:
+ */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)