diff options
Diffstat (limited to 'drivers/scsi/wd33c93.h')
| -rw-r--r-- | drivers/scsi/wd33c93.h | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/drivers/scsi/wd33c93.h b/drivers/scsi/wd33c93.h index 82a26cb96..3a2cec4ab 100644 --- a/drivers/scsi/wd33c93.h +++ b/drivers/scsi/wd33c93.h @@ -2,7 +2,7 @@ * wd33c93.h - Linux device driver definitions for the * Commodore Amiga A2091/590 SCSI controller card * - * IMPORTANT: This file is for version 1.21 - 20/Mar/1996 + * IMPORTANT: This file is for version 1.24 - 29/Jan/1997 * * Copyright (c) 1996 John Shifflett, GeoLog Consulting * john@geolog.com @@ -24,6 +24,22 @@ #include <linux/config.h> +#define PROC_INTERFACE /* add code for /proc/scsi/wd33c93/xxx interface */ +#ifdef PROC_INTERFACE +#define PROC_STATISTICS /* add code for keeping various real time stats */ +#endif + +#define SYNC_DEBUG /* extra info on sync negotiation printed */ +#define DEBUGGING_ON /* enable command-line debugging bitmask */ +#define DEBUG_DEFAULTS 0 /* default debugging bitmask */ + + +#ifdef DEBUGGING_ON +#define DB(f,a) if (hostdata->args & (f)) a; +#else +#define DB(f,a) +#endif + #define uchar unsigned char /* WD register names. */ @@ -183,7 +199,7 @@ typedef int (*dma_setup_t) (Scsi_Cmnd *SCpnt, int dir_in); typedef void (*dma_stop_t) (struct Scsi_Host *instance, Scsi_Cmnd *SCpnt, int status); -#define DEFAULT_SX_PER 500 /* (ns) fairly safe */ +#define DEFAULT_SX_PER 376 /* (ns) fairly safe */ #define DEFAULT_SX_OFF 0 /* aka async */ #define OPTIMUM_SX_PER 252 /* (ns) best we can do (mult-of-4) */ @@ -207,6 +223,7 @@ struct WD33C93_hostdata { int dma_dir; /* data transfer dir. */ dma_setup_t dma_setup; dma_stop_t dma_stop; + unsigned int dma_xfer_mask; uchar *dma_bounce_buffer; unsigned int dma_bounce_len; uchar dma_buffer_pool; /* FEF: buffer from chip_ram? */ @@ -228,9 +245,14 @@ struct WD33C93_hostdata { uchar sync_xfer[8]; /* sync_xfer reg settings per target */ uchar sync_stat[8]; /* status of sync negotiation per target */ uchar no_sync; /* bitmask: don't do sync on these targets */ -#if 0 + uchar no_dma; /* set this flag to disable DMA */ uchar proc; /* bitmask: what's in proc output */ -#endif + unsigned long cmd_cnt[8]; /* # of commands issued per target */ + unsigned long int_cnt; /* # of interrupts serviced */ + unsigned long pio_cnt; /* # of pio data transfers */ + unsigned long dma_cnt; /* # of DMA data transfers */ + unsigned long disc_allowed_cnt[8]; /* # of disconnects allowed per target */ + unsigned long disc_done_cnt[8]; /* # of disconnects done per target*/ }; #define CMDHOSTDATA(cmd) ((struct WD33C93_hostdata *) (cmd)->host->hostdata) @@ -292,7 +314,7 @@ struct WD33C93_hostdata { /* defines for hostdata->proc */ #define PR_VERSION (1<<0) #define PR_INFO (1<<1) -#define PR_TOTALS (1<<2) +#define PR_STATISTICS (1<<2) #define PR_CONNECTED (1<<3) #define PR_INPUTQ (1<<4) #define PR_DISCQ (1<<5) @@ -312,8 +334,4 @@ int wd33c93_reset (Scsi_Cmnd *, unsigned int); int wd33c93_reset (Scsi_Cmnd *); #endif -#if 0 -struct proc_dir_entry proc_scsi_wd33c93; -#endif - #endif /* WD33C93_H */ |