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atari_NCR5380: Move static TagAlloc array to host data

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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>
This commit is contained in:
Finn Thain
2014-11-12 16:12:20 +11:00
committed by Christoph Hellwig
parent ca513fc948
commit 61d739a497
2 changed files with 21 additions and 18 deletions
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12
drivers/scsi/NCR5380.h
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@@ -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;