drivers/scsi/wd33c93.h

226 struct WD33C93_hostdata {  struct
227     struct Scsi_Host *next;
228     wd33c93_regs     regs;
229     spinlock_t       lock;
230     uchar            clock_freq;
231     uchar            chip;             /* what kind of wd33c93? */
232     uchar            microcode;        /* microcode rev */
233     uchar            dma_buffer_pool;  /* FEF: buffer from chip_ram? */
234     int              dma_dir;          /* data transfer dir. */
235     dma_setup_t      dma_setup;
236     dma_stop_t       dma_stop;
237     unsigned int     dma_xfer_mask;
238     uchar            *dma_bounce_buffer;
239     unsigned int     dma_bounce_len;
240     volatile uchar   busy[8];          /* index = target, bit = lun */
241     volatile struct scsi_cmnd *input_Q;       /* commands waiting to be started */
242     volatile struct scsi_cmnd *selecting;     /* trying to select this command */
243     volatile struct scsi_cmnd *connected;     /* currently connected command */
244     volatile struct scsi_cmnd *disconnected_Q;/* commands waiting for reconnect */
245     uchar            state;            /* what we are currently doing */
246     uchar            dma;              /* current state of DMA (on/off) */
247     uchar            level2;           /* extent to which Level-2 commands are used */
248     uchar            disconnect;       /* disconnect/reselect policy */
249     unsigned int     args;             /* set from command-line argument */
250     uchar            incoming_msg[8];  /* filled during message_in phase */
251     int              incoming_ptr;     /* mainly used with EXTENDED messages */
252     uchar            outgoing_msg[8];  /* send this during next message_out */
253     int              outgoing_len;     /* length of outgoing message */
254     unsigned int     default_sx_per;   /* default transfer period for SCSI bus */
255     uchar            sync_xfer[8];     /* sync_xfer reg settings per target */
256     uchar            sync_stat[8];     /* status of sync negotiation per target */
257     uchar            no_sync;          /* bitmask: don't do sync on these targets */
258     uchar            no_dma;           /* set this flag to disable DMA */
259     uchar            dma_mode;         /* DMA Burst Mode or Single Byte DMA */
260     uchar            fast;             /* set this flag to enable Fast SCSI */
261     struct sx_period sx_table[9];      /* transfer periods for actual DTC-setting */
263     uchar            proc;             /* bitmask: what's in proc output */
265     unsigned long    cmd_cnt[8];       /* # of commands issued per target */
266     unsigned long    int_cnt;          /* # of interrupts serviced */
267     unsigned long    pio_cnt;          /* # of pio data transfers */
268     unsigned long    dma_cnt;          /* # of DMA data transfers */
269     unsigned long    disc_allowed_cnt[8]; /* # of disconnects allowed per target */
270     unsigned long    disc_done_cnt[8]; /* # of disconnects done per target*/