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| author | Finn Thain <fthain@telegraphics.com.au> | 2014-11-12 16:12:20 +1100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-20 09:11:19 +0100 |
| commit | 61d739a4976424af0d2a62d8e8d0b2159702fb45 (patch) | |
| tree | 1a65ddf3e88a58b794cfdf7e2ad4bb7ffeabdd0a /drivers/scsi/NCR5380.h | |
| parent | ca513fc948e66ecdd3c75cca9371762bb4c06776 (diff) | |
| download | lwn-61d739a4976424af0d2a62d8e8d0b2159702fb45.tar.gz lwn-61d739a4976424af0d2a62d8e8d0b2159702fb45.zip | |
atari_NCR5380: Move static TagAlloc array to host data
The atari_NCR5380.c core driver keeps some per-host data in a static
variable which limits the driver to a single instance. Fix this by moving
TagAlloc to the hostdata struct.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/NCR5380.h')
| -rw-r--r-- | drivers/scsi/NCR5380.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index 2fafe1d54fb8..a6946f2d1dc0 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -245,6 +245,15 @@ #define FLAG_TAGGED_QUEUING 64 /* as X3T9.2 spelled it */ #ifndef ASM + +#ifdef SUPPORT_TAGS +struct tag_alloc { + DECLARE_BITMAP(allocated, MAX_TAGS); + int nr_allocated; + int queue_size; +}; +#endif + struct NCR5380_hostdata { NCR5380_implementation_fields; /* implementation specific */ struct Scsi_Host *host; /* Host backpointer */ @@ -274,6 +283,9 @@ struct NCR5380_hostdata { int read_overruns; /* number of bytes to cut from a * transfer to handle chip overruns */ int retain_dma_intr; +#ifdef SUPPORT_TAGS + struct tag_alloc TagAlloc[8][8]; /* 8 targets and 8 LUNs */ +#endif #ifdef PSEUDO_DMA unsigned spin_max_r; unsigned spin_max_w; |