diff options
| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-07-03 09:41:12 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-07-03 09:41:12 -0500 |
| commit | c4e00fac42f268ed0a547cdd1d12bb8399864040 (patch) | |
| tree | 1a54d87be2066c49b71a03764fcb4fc7f9c68c41 /drivers/scsi/53c700.h | |
| parent | 29454dde27d8e340bb1987bad9aa504af7081eba (diff) | |
| parent | d6b0c53723753fc0cfda63f56735b225c43e1e9a (diff) | |
Merge ../scsi-misc-2.6
Conflicts:
drivers/scsi/nsp32.c
drivers/scsi/pcmcia/nsp_cs.c
Removal of randomness flag conflicts with SA_ -> IRQF_ global
replacement.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/53c700.h')
| -rw-r--r-- | drivers/scsi/53c700.h | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h index 7f22a06fe5ec..97ebe71b701b 100644 --- a/drivers/scsi/53c700.h +++ b/drivers/scsi/53c700.h @@ -12,7 +12,7 @@ #include <asm/io.h> #include <scsi/scsi_device.h> - +#include <scsi/scsi_cmnd.h> /* Turn on for general debugging---too verbose for normal use */ #undef NCR_700_DEBUG @@ -76,11 +76,16 @@ struct NCR_700_SG_List { #define SCRIPT_RETURN 0x90080000 }; -/* We use device->hostdata to store negotiated parameters. This is - * supposed to be a pointer to a device private area, but we cannot - * really use it as such since it will never be freed, so just use the - * 32 bits to cram the information. The SYNC negotiation sequence looks - * like: +struct NCR_700_Device_Parameters { + /* space for creating a request sense command. Really, except + * for the annoying SCSI-2 requirement for LUN information in + * cmnd[1], this could be in static storage */ + unsigned char cmnd[MAX_COMMAND_SIZE]; + __u8 depth; +}; + + +/* The SYNC negotiation sequence looks like: * * If DEV_NEGOTIATED_SYNC not set, tack and SDTR message on to the * initial identify for the device and set DEV_BEGIN_SYNC_NEGOTATION @@ -98,19 +103,26 @@ struct NCR_700_SG_List { #define NCR_700_DEV_BEGIN_SYNC_NEGOTIATION (1<<17) #define NCR_700_DEV_PRINT_SYNC_NEGOTIATION (1<<19) +static inline char *NCR_700_get_sense_cmnd(struct scsi_device *SDp) +{ + struct NCR_700_Device_Parameters *hostdata = SDp->hostdata; + + return hostdata->cmnd; +} + static inline void NCR_700_set_depth(struct scsi_device *SDp, __u8 depth) { - long l = (long)SDp->hostdata; + struct NCR_700_Device_Parameters *hostdata = SDp->hostdata; - l &= 0xffff00ff; - l |= 0xff00 & (depth << 8); - SDp->hostdata = (void *)l; + hostdata->depth = depth; } static inline __u8 NCR_700_get_depth(struct scsi_device *SDp) { - return ((((unsigned long)SDp->hostdata) & 0xff00)>>8); + struct NCR_700_Device_Parameters *hostdata = SDp->hostdata; + + return hostdata->depth; } static inline int NCR_700_is_flag_set(struct scsi_device *SDp, __u32 flag) |