drivers/scsi/wd33c93.h

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