diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-04-03 01:59:10 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 04:05:06 +0200 |
| commit | e1c3219d06447dab8a87b96df1211d158e21071e (patch) | |
| tree | aa3a5ea8af148d2d7d461d61618d7820f099148a /drivers/misc/sgi-gru/grutables.h | |
| parent | sgi-gru: add support to the GRU driver for message queue interrupts (diff) | |
| download | linux-e1c3219d06447dab8a87b96df1211d158e21071e.tar.xz linux-e1c3219d06447dab8a87b96df1211d158e21071e.zip | |
sgi-gru: macro for scanning all gru chiplets
Add macro for scanning all active GRU chiplets. Maximum chiplet id is
saved during GRU initialization.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grutables.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 685db88cc475..c6e0e3de07f3 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -153,6 +153,7 @@ extern struct gru_stats_s gru_stats; extern struct gru_blade_state *gru_base[]; extern unsigned long gru_start_paddr, gru_end_paddr; +extern unsigned int gru_max_gids; #define GRU_MAX_BLADES MAX_NUMNODES #define GRU_MAX_GRUS (GRU_MAX_BLADES * GRU_CHIPLETS_PER_BLADE) @@ -406,12 +407,12 @@ struct gru_state { gru segments (64) */ void *gs_gru_base_vaddr; /* Virtual address of gru segments (64) */ - unsigned char gs_gid; /* unique GRU number */ + unsigned short gs_gid; /* unique GRU number */ + unsigned short gs_blade_id; /* blade of GRU */ unsigned char gs_tgh_local_shift; /* used to pick TGH for local flush */ unsigned char gs_tgh_first_remote; /* starting TGH# for remote flush */ - unsigned short gs_blade_id; /* blade of GRU */ spinlock_t gs_asid_lock; /* lock used for assigning asids */ spinlock_t gs_lock; /* lock used for @@ -506,6 +507,10 @@ struct gru_blade_state { (i) < GRU_CHIPLETS_PER_BLADE; \ (i)++, (gru)++) +/* Scan all GRUs */ +#define foreach_gid(gid) \ + for ((gid) = 0; (gid) < gru_max_gids; (gid)++) + /* Scan all active GTSs on a gru. Note: must hold ss_lock to use this macro. */ #define for_each_gts_on_gru(gts, gru, ctxnum) \ for ((ctxnum) = 0; (ctxnum) < GRU_NUM_CCH; (ctxnum)++) \ |