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authorJack Steiner <steiner@sgi.com>2009-04-02 19:59:10 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 22:05:06 -0400
commite1c3219d06447dab8a87b96df1211d158e21071e (patch)
treeaa3a5ea8af148d2d7d461d61618d7820f099148a /drivers/misc/sgi-gru/grutables.h
parent6f2584f47474d29ce829604bfc8b56c10b352fdb (diff)
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.h9
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 @@
153extern struct gru_stats_s gru_stats; 153extern struct gru_stats_s gru_stats;
154extern struct gru_blade_state *gru_base[]; 154extern struct gru_blade_state *gru_base[];
155extern unsigned long gru_start_paddr, gru_end_paddr; 155extern unsigned long gru_start_paddr, gru_end_paddr;
156extern unsigned int gru_max_gids;
156 157
157#define GRU_MAX_BLADES MAX_NUMNODES 158#define GRU_MAX_BLADES MAX_NUMNODES
158#define GRU_MAX_GRUS (GRU_MAX_BLADES * GRU_CHIPLETS_PER_BLADE) 159#define GRU_MAX_GRUS (GRU_MAX_BLADES * GRU_CHIPLETS_PER_BLADE)
@@ -406,12 +407,12 @@ struct gru_state {
406 gru segments (64) */ 407 gru segments (64) */
407 void *gs_gru_base_vaddr; /* Virtual address of 408 void *gs_gru_base_vaddr; /* Virtual address of
408 gru segments (64) */ 409 gru segments (64) */
409 unsigned char gs_gid; /* unique GRU number */ 410 unsigned short gs_gid; /* unique GRU number */
411 unsigned short gs_blade_id; /* blade of GRU */
410 unsigned char gs_tgh_local_shift; /* used to pick TGH for 412 unsigned char gs_tgh_local_shift; /* used to pick TGH for
411 local flush */ 413 local flush */
412 unsigned char gs_tgh_first_remote; /* starting TGH# for 414 unsigned char gs_tgh_first_remote; /* starting TGH# for
413 remote flush */ 415 remote flush */
414 unsigned short gs_blade_id; /* blade of GRU */
415 spinlock_t gs_asid_lock; /* lock used for 416 spinlock_t gs_asid_lock; /* lock used for
416 assigning asids */ 417 assigning asids */
417 spinlock_t gs_lock; /* lock used for 418 spinlock_t gs_lock; /* lock used for
@@ -506,6 +507,10 @@ struct gru_blade_state {
506 (i) < GRU_CHIPLETS_PER_BLADE; \ 507 (i) < GRU_CHIPLETS_PER_BLADE; \
507 (i)++, (gru)++) 508 (i)++, (gru)++)
508 509
510/* Scan all GRUs */
511#define foreach_gid(gid) \
512 for ((gid) = 0; (gid) < gru_max_gids; (gid)++)
513
509/* Scan all active GTSs on a gru. Note: must hold ss_lock to use this macro. */ 514/* Scan all active GTSs on a gru. Note: must hold ss_lock to use this macro. */
510#define for_each_gts_on_gru(gts, gru, ctxnum) \ 515#define for_each_gts_on_gru(gts, gru, ctxnum) \
511 for ((ctxnum) = 0; (ctxnum) < GRU_NUM_CCH; (ctxnum)++) \ 516 for ((ctxnum) = 0; (ctxnum) < GRU_NUM_CCH; (ctxnum)++) \