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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [scsi/] [gdth.h] - Rev 1765
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#ifndef _GDTH_H #define _GDTH_H /* * Header file for the GDT ISA/EISA/PCI Disk Array Controller driver for Linux * * gdth.h Copyright (C) 1995-98 ICP vortex Computersysteme GmbH, Achim Leubner * See gdth.c for further informations and * below for supported controller types * * <achim@vortex.de> * * $Id: gdth.h,v 1.1 2005-12-20 10:17:45 jcastillo Exp $ */ #include <linux/version.h> #include <linux/types.h> #ifndef NULL #define NULL 0 #endif #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif /* defines, macros */ /* driver version */ #define GDTH_VERSION_STR "1.07" #define GDTH_VERSION 1 #define GDTH_SUBVERSION 7 /* protocol version */ #define PROTOCOL_VERSION 1 /* controller classes */ #define GDT_ISA 0x01 /* ISA controller */ #define GDT_EISA 0x02 /* EISA controller */ #define GDT_PCI 0x03 /* PCI controller */ #define GDT_PCINEW 0x04 /* new PCI controller */ #define GDT_PCIMPR 0x05 /* PCI MPR controller */ /* GDT_EISA, controller subtypes EISA */ #define GDT3_ID 0x0130941c /* GDT3000/3020 */ #define GDT3A_ID 0x0230941c /* GDT3000A/3020A/3050A */ #define GDT3B_ID 0x0330941c /* GDT3000B/3010A */ /* GDT_ISA */ #define GDT2_ID 0x0120941c /* GDT2000/2020 */ /* vendor ID, device IDs (PCI) */ /* these defines should already exist in <linux/pci.h> */ #ifndef PCI_VENDOR_ID_VORTEX #define PCI_VENDOR_ID_VORTEX 0x1119 /* PCI controller vendor ID */ #endif #ifndef PCI_DEVICE_ID_VORTEX_GDT60x0 /* GDT_PCI */ #define PCI_DEVICE_ID_VORTEX_GDT60x0 0 /* GDT6000/6020/6050 */ #define PCI_DEVICE_ID_VORTEX_GDT6000B 1 /* GDT6000B/6010 */ /* GDT_PCINEW */ #define PCI_DEVICE_ID_VORTEX_GDT6x10 2 /* GDT6110/6510 */ #define PCI_DEVICE_ID_VORTEX_GDT6x20 3 /* GDT6120/6520 */ #define PCI_DEVICE_ID_VORTEX_GDT6530 4 /* GDT6530 */ #define PCI_DEVICE_ID_VORTEX_GDT6550 5 /* GDT6550 */ /* GDT_PCINEW, wide/ultra SCSI controllers */ #define PCI_DEVICE_ID_VORTEX_GDT6x17 6 /* GDT6117/6517 */ #define PCI_DEVICE_ID_VORTEX_GDT6x27 7 /* GDT6127/6527 */ #define PCI_DEVICE_ID_VORTEX_GDT6537 8 /* GDT6537 */ #define PCI_DEVICE_ID_VORTEX_GDT6557 9 /* GDT6557/6557-ECC */ /* GDT_PCINEW, wide SCSI controllers */ #define PCI_DEVICE_ID_VORTEX_GDT6x15 10 /* GDT6115/6515 */ #define PCI_DEVICE_ID_VORTEX_GDT6x25 11 /* GDT6125/6525 */ #define PCI_DEVICE_ID_VORTEX_GDT6535 12 /* GDT6535 */ #define PCI_DEVICE_ID_VORTEX_GDT6555 13 /* GDT6555/6555-ECC */ #endif #ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP /* GDT_MPR, RP series, wide/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x17RP 0x100 /* GDT6117RP/GDT6517RP */ #define PCI_DEVICE_ID_VORTEX_GDT6x27RP 0x101 /* GDT6127RP/GDT6527RP */ #define PCI_DEVICE_ID_VORTEX_GDT6537RP 0x102 /* GDT6537RP */ #define PCI_DEVICE_ID_VORTEX_GDT6557RP 0x103 /* GDT6557RP */ /* GDT_MPR, RP series, narrow/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x11RP 0x104 /* GDT6111RP/GDT6511RP */ #define PCI_DEVICE_ID_VORTEX_GDT6x21RP 0x105 /* GDT6121RP/GDT6521RP */ /* GDT_MPR, RP1 series, wide/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x17RP1 0x110 /* GDT6117RP1/GDT6517RP1 */ #define PCI_DEVICE_ID_VORTEX_GDT6x27RP1 0x111 /* GDT6127RP1/GDT6527RP1 */ #define PCI_DEVICE_ID_VORTEX_GDT6537RP1 0x112 /* GDT6537RP1 */ #define PCI_DEVICE_ID_VORTEX_GDT6557RP1 0x113 /* GDT6557RP1 */ /* GDT_MPR, RP1 series, narrow/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x11RP1 0x114 /* GDT6111RP1/GDT6511RP1 */ #define PCI_DEVICE_ID_VORTEX_GDT6x21RP1 0x115 /* GDT6121RP1/GDT6521RP1 */ /* GDT_MPR, RP2 series, wide/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x17RP2 0x120 /* GDT6117RP2/GDT6517RP2 */ #define PCI_DEVICE_ID_VORTEX_GDT6x27RP2 0x121 /* GDT6127RP2/GDT6527RP2 */ #define PCI_DEVICE_ID_VORTEX_GDT6537RP2 0x122 /* GDT6537RP2 */ #define PCI_DEVICE_ID_VORTEX_GDT6557RP2 0x123 /* GDT6557RP2 */ /* GDT_MPR, RP2 series, narrow/ultra SCSI */ #define PCI_DEVICE_ID_VORTEX_GDT6x11RP2 0x124 /* GDT6111RP2/GDT6511RP2 */ #define PCI_DEVICE_ID_VORTEX_GDT6x21RP2 0x125 /* GDT6121RP2/GDT6521RP2 */ #endif #ifndef PCI_DEVICE_ID_VORTEX_GDT6519RD /* GDT_MPR, Fibre Channel */ #define PCI_DEVICE_ID_VORTEX_GDT6519RD 0x210 /* GDT6519RD */ #define PCI_DEVICE_ID_VORTEX_GDT6529RD 0x211 /* GDT6529RD */ #endif #ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP /* GDT_MPR, last device ID */ #define PCI_DEVICE_ID_VORTEX_GDTMAXRP 0x2ff #endif /* limits */ #define GDTH_SCRATCH 4096 /* 4KB scratch buffer */ #define GDTH_MAXCMDS 124 #define GDTH_MAXC_P_L 16 /* max. cmds per lun */ #define MAXOFFSETS 128 #define MAXHA 8 #define MAXID 16 #define MAXLUN 8 #define MAXBUS 6 #define MAX_HDRIVES 35 /* max. host drive count */ #define MAX_EVENTS 100 /* event buffer count */ #define MAXCYLS 1024 #define HEADS 64 #define SECS 32 /* mapping 64*32 */ #define MEDHEADS 127 #define MEDSECS 63 /* mapping 127*63 */ #define BIGHEADS 255 #define BIGSECS 63 /* mapping 255*63 */ /* special command ptr. */ #define UNUSED_CMND ((Scsi_Cmnd *)-1) #define INTERNAL_CMND ((Scsi_Cmnd *)-2) #define SCREEN_CMND ((Scsi_Cmnd *)-3) #define SPECIAL_SCP(p) (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND) /* device types */ #define EMPTY_DTYP 0 #define CACHE_DTYP 1 #define RAW_DTYP 2 #define SIOP_DTYP 3 /* the SCSI processor */ /* controller services */ #define SCSIRAWSERVICE 3 #define CACHESERVICE 9 #define SCREENSERVICE 11 /* screenservice defines */ #define MSG_INV_HANDLE -1 /* special message handle */ #define MSGLEN 16 /* size of message text */ #define MSG_SIZE 34 /* size of message structure */ #define MSG_REQUEST 0 /* async. event: message */ /* cacheservice defines */ #define SECTOR_SIZE 0x200 /* always 512 bytes per sector */ /* DPMEM constants */ #define DPMEM_MAGIC 0xC0FFEE11 #define IC_HEADER_BYTES 48 #define IC_QUEUE_BYTES 4 #define DPMEM_COMMAND_OFFSET IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS /* service commands */ #define GDT_INIT 0 /* service initialization */ #define GDT_READ 1 /* read command */ #define GDT_WRITE 2 /* write command */ #define GDT_INFO 3 /* information about devices */ #define GDT_FLUSH 4 /* flush dirty cache buffers */ #define GDT_IOCTL 5 /* ioctl command */ #define GDT_DEVTYPE 9 /* additional information */ #define GDT_MOUNT 10 /* mount cache device */ #define GDT_UNMOUNT 11 /* unmount cache device */ #define GDT_SET_FEAT 12 /* set feat. (scatter/gather) */ #define GDT_GET_FEAT 13 /* get features */ #define GDT_RESERVE 14 /* reserve dev. to raw service */ #define GDT_WRITE_THR 16 /* write through */ #define GDT_EXT_INFO 18 /* extended info */ #define GDT_RESET 19 /* controller reset */ /* IOCTL command defines */ #define SCSI_CHAN_CNT 5 /* subfunctions */ #define GET_IOCHAN_DESC 0x5e #define L_CTRL_PATTERN 0x20000000L #define CACHE_INFO 4 #define CACHE_CONFIG 5 #define BOARD_INFO 0x28 #define IO_CHANNEL 0x00020000L /* channels */ #define INVALID_CHANNEL 0x0000ffffL /* IOCTLs */ #define GDTIOCTL_MASK ('J'<<8) #define GDTIOCTL_GENERAL (GDTIOCTL_MASK | 0) /* general IOCTL */ #define GDTIOCTL_DRVERS (GDTIOCTL_MASK | 1) /* get driver version */ #define GDTIOCTL_CTRTYPE (GDTIOCTL_MASK | 2) /* get controller type */ #define GDTIOCTL_CTRCNT (GDTIOCTL_MASK | 5) /* get controller count */ #define GDTIOCTL_LOCKDRV (GDTIOCTL_MASK | 6) /* lock host drive */ #define GDTIOCTL_LOCKCHN (GDTIOCTL_MASK | 7) /* lock channel */ #define GDTIOCTL_EVENT (GDTIOCTL_MASK | 8) /* read controller events */ /* service errors */ #define S_OK 1 /* no error */ #define S_BSY 7 /* controller busy */ #define S_RAW_SCSI 12 /* raw serv.: target error */ #define S_RAW_ILL 0xff /* raw serv.: illegal */ /* timeout values */ #define INIT_RETRIES 10000 /* 10000 * 1ms = 10s */ #define INIT_TIMEOUT 100000 /* 1000 * 1ms = 1s */ #define POLL_TIMEOUT 10000 /* 10000 * 1ms = 10s */ /* priorities */ #define DEFAULT_PRI 0x20 #define IOCTL_PRI 0x10 /* data directions */ #define DATA_IN 0x01000000L /* data from target */ #define DATA_OUT 0x00000000L /* data to target */ /* BMIC registers (EISA controllers) */ #define ID0REG 0x0c80 /* board ID */ #define EINTENABREG 0x0c89 /* interrupt enable */ #define SEMA0REG 0x0c8a /* command semaphore */ #define SEMA1REG 0x0c8b /* status semaphore */ #define LDOORREG 0x0c8d /* local doorbell */ #define EDENABREG 0x0c8e /* EISA system doorbell enable */ #define EDOORREG 0x0c8f /* EISA system doorbell */ #define MAILBOXREG 0x0c90 /* mailbox reg. (16 bytes) */ #define EISAREG 0x0cc0 /* EISA configuration */ /* other defines */ #define LINUX_OS 8 /* used for cache optim. */ #define SCATTER_GATHER 1 /* s/g feature */ #define GDTH_MAXSG 32 /* max. s/g elements */ #define SECS32 0x1f /* round capacity */ #define BIOS_ID_OFFS 0x10 /* offset contr. ID in ISABIOS */ #define LOCALBOARD 0 /* board node always 0 */ #define ASYNCINDEX 0 /* cmd index async. event */ #define SPEZINDEX 1 /* cmd index unknown service */ #define GDT_WR_THROUGH 0x100 /* WRITE_THROUGH supported */ /* typedefs */ #pragma pack(1) typedef struct { char buffer[GDTH_SCRATCH]; /* scratch buffer */ } gdth_scratch_str; /* screenservice message */ typedef struct { ulong msg_handle; /* message handle */ ulong msg_len; /* size of message */ ulong msg_alen; /* answer length */ unchar msg_answer; /* answer flag */ unchar msg_ext; /* more messages */ unchar msg_reserved[2]; char msg_text[MSGLEN+2]; /* the message text */ } gdth_msg_str; /* get channel count IOCTL */ typedef struct { ulong channel_no; /* number of channel */ ulong drive_cnt; /* number of drives */ unchar siop_id; /* SCSI processor ID */ unchar siop_state; /* SCSI processor state */ } gdth_getch_str; /* get raw channel count IOCTL (NEW!) */ typedef struct { ulong version; /* version of information (-1UL: newest) */ unchar list_entries; /* list entry count */ unchar first_chan; /* first channel number */ unchar last_chan; /* last channel number */ unchar chan_count; /* (R) channel count */ ulong list_offset; /* offset of list[0] */ struct { unchar proc_id; /* processor id */ unchar proc_defect; /* defect ? */ unchar reserved[2]; } list[MAXBUS]; } gdth_iochan_str; /* cache info/config IOCTL */ typedef struct { ulong version; /* firmware version */ ushort state; /* cache state (on/off) */ ushort strategy; /* cache strategy */ ushort write_back; /* write back state (on/off) */ ushort block_size; /* cache block size */ } gdth_cpar_str; typedef struct { ulong csize; /* cache size */ ulong read_cnt; /* read/write counter */ ulong write_cnt; ulong tr_hits; /* hits */ ulong sec_hits; ulong sec_miss; /* misses */ } gdth_cstat_str; typedef struct { gdth_cpar_str cpar; gdth_cstat_str cstat; } gdth_cinfo_str; /* board info IOCTL */ typedef struct { ulong ser_no; /* serial no. */ unchar oem_id[2]; /* OEM ID */ ushort ep_flags; /* eprom flags */ ulong proc_id; /* processor ID */ ulong memsize; /* memory size (bytes) */ unchar mem_banks; /* memory banks */ unchar chan_type; /* channel type */ unchar chan_count; /* channel count */ unchar rdongle_pres; /* dongle present? */ ulong epr_fw_ver; /* (eprom) firmware version */ ulong upd_fw_ver; /* (update) firmware version */ ulong upd_revision; /* update revision */ char type_string[16]; /* controller name */ char raid_string[16]; /* RAID firmware name */ unchar update_pres; /* update present? */ unchar xor_pres; /* XOR engine present? */ unchar prom_type; /* ROM type (eprom/flash eprom) */ unchar prom_count; /* number of ROM devices */ ulong dup_pres; /* duplexing module present? */ ulong chan_pres; /* number of expansion channels */ ulong mem_pres; /* memory expansion installed? */ unchar ft_bus_system; /* fault bus supported? */ unchar subtype_valid; /* board_subtype valid? */ unchar board_subtype; /* controller subtype/hardware level */ unchar ramparity_pres; /* RAM parity check hardware present? */ } gdth_binfo_str; /* scatter/gather element */ typedef struct { ulong sg_ptr; /* address */ ulong sg_len; /* length */ } gdth_sg_str; /* command structure */ typedef struct { ulong BoardNode; /* board node (always 0) */ ulong CommandIndex; /* command number */ ushort OpCode; /* the command (READ,..) */ union { struct { ushort DeviceNo; /* number of cache drive */ ulong BlockNo; /* block number */ ulong BlockCnt; /* block count */ ulong DestAddr; /* dest. addr. (if s/g: -1) */ ulong sg_canz; /* s/g element count */ gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ } cache; /* cache service cmd. str. */ struct { ushort param_size; /* size of p_param buffer */ ulong subfunc; /* IOCTL function */ ulong channel; /* device */ ulong p_param; /* buffer */ } ioctl; /* IOCTL command structure */ struct { ushort reserved; ulong msg_handle; /* message handle */ ulong msg_addr; /* message buffer address */ } screen; /* screen service cmd. str. */ struct { ushort reserved; ulong direction; /* data direction */ ulong mdisc_time; /* disc. time (0: no timeout)*/ ulong mcon_time; /* connect time(0: no to.) */ ulong sdata; /* dest. addr. (if s/g: -1) */ ulong sdlen; /* data length (bytes) */ ulong clen; /* SCSI cmd. length(6,10,12) */ unchar cmd[12]; /* SCSI command */ unchar target; /* target ID */ unchar lun; /* LUN */ unchar bus; /* SCSI bus number */ unchar priority; /* only 0 used */ ulong sense_len; /* sense data length */ ulong sense_data; /* sense data addr. */ struct raw *link_p; /* linked cmds (not supp.) */ ulong sg_ranz; /* s/g element count */ gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ } raw; /* raw service cmd. struct. */ } u; /* additional variables */ unchar Service; /* controller service */ ushort Status; /* command result */ ulong Info; /* additional information */ Scsi_Cmnd *RequestBuffer; /* request buffer */ } gdth_cmd_str; /* controller event structure */ #define ES_ASYNC 1 #define ES_DRIVER 2 #define ES_TEST 3 #define ES_SYNC 4 typedef struct { ushort size; /* size of structure */ union { char stream[16]; struct { ushort ionode; ushort service; ulong index; } driver; struct { ushort ionode; ushort service; ushort status; ulong info; unchar scsi_coord[3]; } async; struct { ushort ionode; ushort service; ushort status; ulong info; ushort hostdrive; unchar scsi_coord[3]; unchar sense_key; } sync; struct { ulong l1, l2, l3, l4; } test; } eu; } gdth_evt_data; typedef struct { ulong first_stamp; ulong last_stamp; ushort same_count; ushort event_source; ushort event_idx; unchar application; unchar reserved; gdth_evt_data event_data; } gdth_evt_str; /* DPRAM structures */ /* interface area ISA/PCI */ typedef struct { unchar S_Cmd_Indx; /* special command */ unchar volatile S_Status; /* status special command */ ushort reserved1; ulong S_Info[4]; /* add. info special command */ unchar volatile Sema0; /* command semaphore */ unchar reserved2[3]; unchar Cmd_Index; /* command number */ unchar reserved3[3]; ushort volatile Status; /* command status */ ushort Service; /* service(for async.events) */ ulong Info[2]; /* additional info */ struct { ushort offset; /* command offs. in the DPRAM*/ ushort serv_id; /* service */ } comm_queue[MAXOFFSETS]; /* command queue */ ulong bios_reserved[2]; unchar gdt_dpr_cmd[1]; /* commands */ } gdt_dpr_if; /* SRAM structure PCI controllers */ typedef struct { ulong magic; /* controller ID from BIOS */ ushort need_deinit; /* switch betw. BIOS/driver */ unchar switch_support; /* see need_deinit */ unchar padding[9]; unchar os_used[16]; /* OS code per service */ unchar unused[28]; unchar fw_magic; /* contr. ID from firmware */ } gdt_pci_sram; /* SRAM structure EISA controllers (but NOT GDT3000/3020) */ typedef struct { unchar os_used[16]; /* OS code per service */ ushort need_deinit; /* switch betw. BIOS/driver */ unchar switch_support; /* see need_deinit */ unchar padding; } gdt_eisa_sram; /* DPRAM ISA controllers */ typedef struct { union { struct { unchar bios_used[0x3c00-32]; /* 15KB - 32Bytes BIOS */ ulong magic; /* controller (EISA) ID */ ushort need_deinit; /* switch betw. BIOS/driver */ unchar switch_support; /* see need_deinit */ unchar padding[9]; unchar os_used[16]; /* OS code per service */ } dp_sram; unchar bios_area[0x4000]; /* 16KB reserved for BIOS */ } bu; union { gdt_dpr_if ic; /* interface area */ unchar if_area[0x3000]; /* 12KB for interface */ } u; struct { unchar memlock; /* write protection DPRAM */ unchar event; /* release event */ unchar irqen; /* board interrupts enable */ unchar irqdel; /* acknowledge board int. */ unchar volatile Sema1; /* status semaphore */ unchar rq; /* IRQ/DRQ configuration */ } io; } gdt2_dpram_str; /* DPRAM PCI controllers */ typedef struct { union { gdt_dpr_if ic; /* interface area */ unchar if_area[0xff0-sizeof(gdt_pci_sram)]; } u; gdt_pci_sram gdt6sr; /* SRAM structure */ struct { unchar unused0[1]; unchar volatile Sema1; /* command semaphore */ unchar unused1[3]; unchar irqen; /* board interrupts enable */ unchar unused2[2]; unchar event; /* release event */ unchar unused3[3]; unchar irqdel; /* acknowledge board int. */ unchar unused4[3]; } io; } gdt6_dpram_str; /* PLX register structure (new PCI controllers) */ typedef struct { unchar cfg_reg; /* DPRAM cfg.(2:below 1MB,0:anywhere)*/ unchar unused1[0x3f]; unchar volatile sema0_reg; /* command semaphore */ unchar volatile sema1_reg; /* status semaphore */ unchar unused2[2]; ushort volatile status; /* command status */ ushort service; /* service */ ulong info[2]; /* additional info */ unchar unused3[0x10]; unchar ldoor_reg; /* PCI to local doorbell */ unchar unused4[3]; unchar volatile edoor_reg; /* local to PCI doorbell */ unchar unused5[3]; unchar control0; /* control0 register(unused) */ unchar control1; /* board interrupts enable */ unchar unused6[0x16]; } gdt6c_plx_regs; /* DPRAM new PCI controllers */ typedef struct { union { gdt_dpr_if ic; /* interface area */ unchar if_area[0x4000-sizeof(gdt_pci_sram)]; } u; gdt_pci_sram gdt6sr; /* SRAM structure */ } gdt6c_dpram_str; /* i960 register structure (PCI MPR controllers) */ typedef struct { unchar unused1[16]; unchar volatile sema0_reg; /* command semaphore */ unchar unused2; unchar volatile sema1_reg; /* status semaphore */ unchar unused3; ushort volatile status; /* command status */ ushort service; /* service */ ulong info[2]; /* additional info */ unchar ldoor_reg; /* PCI to local doorbell */ unchar unused4[11]; unchar volatile edoor_reg; /* local to PCI doorbell */ unchar unused5[7]; unchar edoor_en_reg; /* board interrupts enable */ unchar unused6[27]; ulong unused7[1004]; /* size: 4 KB */ } gdt6m_i960_regs; /* DPRAM PCI MPR controllers */ typedef struct { gdt6m_i960_regs i960r; /* 4KB i960 registers */ union { gdt_dpr_if ic; /* interface area */ unchar if_area[0x3000-sizeof(gdt_pci_sram)]; } u; gdt_pci_sram gdt6sr; /* SRAM structure */ } gdt6m_dpram_str; /* PCI resources */ typedef struct { ushort device_id; /* device ID (0,..,9) */ unchar bus; /* PCI bus */ unchar device_fn; /* PCI device/function no. */ ulong dpmem; /* DPRAM address */ ulong io; /* IO address */ ulong io_mm; /* IO address mem. mapped */ ulong bios; /* BIOS address */ unchar irq; /* IRQ */ } gdth_pci_str; /* controller information structure */ typedef struct { unchar bus_cnt; /* SCSI bus count */ unchar type; /* controller class */ ushort raw_feat; /* feat. raw service (s/g,..) */ ulong stype; /* controller subtype */ ushort cache_feat; /* feat. cache serv. (s/g,..) */ ushort bmic; /* BMIC address (EISA) */ void *brd; /* DPRAM address */ ulong brd_phys; /* slot number/BIOS address */ gdt6c_plx_regs *plx; /* PLX regs (new PCI contr.) */ gdth_cmd_str *pccb; /* address command structure */ gdth_scratch_str *pscratch; unchar irq; /* IRQ */ unchar drq; /* DRQ (ISA controllers) */ ushort status; /* command status */ ulong info; ulong info2; /* additional info */ Scsi_Cmnd *req_first; /* top of request queue */ struct { unchar type; /* device type */ unchar heads; /* mapping */ unchar secs; unchar lock; /* drive locked ? (hot plug) */ ushort hostdrive; /* host drive number */ ushort devtype; /* further information */ ulong size; /* capacity */ } id[MAXBUS][MAXID]; ushort cmd_cnt; /* command count in DPRAM */ ushort cmd_len; /* length of actual command */ ushort cmd_offs_dpmem; /* actual offset in DPRAM */ ushort ic_all_size; /* sizeof DPRAM interf. area */ unchar reserved; unchar mode; /* information from /proc */ ushort param_size; gdth_cpar_str cpar; /* controller cache par. */ char ctr_name[16]; /* controller name */ } gdth_ha_str; /* structure for scsi_register(), SCSI bus != 0 */ typedef struct { ushort hanum; ushort busnum; } gdth_num_str; /* structure for scsi_register() */ typedef struct { gdth_num_str numext; /* must be the first element */ gdth_ha_str haext; gdth_cmd_str cmdext; gdth_scratch_str dmaext; } gdth_ext_str; /* INQUIRY data format */ typedef struct { unchar type_qual; unchar modif_rmb; unchar version; unchar resp_aenc; unchar add_length; unchar reserved1; unchar reserved2; unchar misc; unchar vendor[8]; unchar product[16]; unchar revision[4]; } gdth_inq_data; /* READ_CAPACITY data format */ typedef struct { ulong last_block_no; ulong block_length; } gdth_rdcap_data; /* REQUEST_SENSE data format */ typedef struct { unchar errorcode; unchar segno; unchar key; ulong info; unchar add_length; ulong cmd_info; unchar adsc; unchar adsq; unchar fruc; unchar key_spec[3]; } gdth_sense_data; /* MODE_SENSE data format */ typedef struct { struct { unchar data_length; unchar med_type; unchar dev_par; unchar bd_length; } hd; struct { unchar dens_code; unchar block_count[3]; unchar reserved; unchar block_length[3]; } bd; } gdth_modep_data; /* stack frame */ typedef struct { ulong b[10]; /* 32 bit compiler ! */ } gdth_stackframe; #pragma pack() /* data structure for reserve drives */ typedef struct { unchar hanum; unchar bus; unchar id; } gdth_reserve_str; /* function prototyping */ int gdth_detect(Scsi_Host_Template *); int gdth_release(struct Scsi_Host *); int gdth_command(Scsi_Cmnd *); int gdth_queuecommand(Scsi_Cmnd *,void (*done)(Scsi_Cmnd *)); int gdth_abort(Scsi_Cmnd *); #if LINUX_VERSION_CODE >= 0x010346 int gdth_reset(Scsi_Cmnd *, unsigned int reset_flags); #else int gdth_reset(Scsi_Cmnd *); #endif const char *gdth_info(struct Scsi_Host *); #if LINUX_VERSION_CODE >= 0x02015F int gdth_bios_param(Disk *,kdev_t,int *); extern struct proc_dir_entry proc_scsi_gdth; int gdth_proc_info(char *,char **,off_t,int,int,int); int gdth_eh_abort(Scsi_Cmnd *scp); int gdth_eh_device_reset(Scsi_Cmnd *scp); int gdth_eh_bus_reset(Scsi_Cmnd *scp); int gdth_eh_host_reset(Scsi_Cmnd *scp); #define GDTH { proc_dir: &proc_scsi_gdth, \ proc_info: gdth_proc_info, \ name: "GDT SCSI Disk Array Controller",\ detect: gdth_detect, \ release: gdth_release, \ info: gdth_info, \ command: gdth_command, \ queuecommand: gdth_queuecommand, \ eh_abort_handler: gdth_eh_abort, \ eh_device_reset_handler: gdth_eh_device_reset, \ eh_bus_reset_handler: gdth_eh_bus_reset, \ eh_host_reset_handler: gdth_eh_host_reset, \ abort: gdth_abort, \ reset: gdth_reset, \ bios_param: gdth_bios_param, \ can_queue: GDTH_MAXCMDS, \ this_id: -1, \ sg_tablesize: GDTH_MAXSG, \ cmd_per_lun: GDTH_MAXC_P_L, \ present: 0, \ unchecked_isa_dma: 1, \ use_clustering: ENABLE_CLUSTERING, \ use_new_eh_code: 1 /* use new error code */ } #elif LINUX_VERSION_CODE >= 0x010300 int gdth_bios_param(Disk *,kdev_t,int *); extern struct proc_dir_entry proc_scsi_gdth; int gdth_proc_info(char *,char **,off_t,int,int,int); #define GDTH { NULL, NULL, \ &proc_scsi_gdth, \ gdth_proc_info, \ "GDT SCSI Disk Array Controller", \ gdth_detect, \ gdth_release, \ gdth_info, \ gdth_command, \ gdth_queuecommand, \ gdth_abort, \ gdth_reset, \ NULL, \ gdth_bios_param, \ GDTH_MAXCMDS, \ -1, \ GDTH_MAXSG, \ GDTH_MAXC_P_L, \ 0, \ 1, \ ENABLE_CLUSTERING} #else int gdth_bios_param(Disk *,int,int *); #define GDTH { NULL, NULL, \ "GDT SCSI Disk Array Controller", \ gdth_detect, \ gdth_release, \ gdth_info, \ gdth_command, \ gdth_queuecommand, \ gdth_abort, \ gdth_reset, \ NULL, \ gdth_bios_param, \ GDTH_MAXCMDS, \ -1, \ GDTH_MAXSG, \ GDTH_MAXC_P_L, \ 0, \ 1, \ ENABLE_CLUSTERING} #endif #endif