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authorJack Steiner <steiner@sgi.com>2009-12-15 16:48:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:20:15 -0800
commit55484c45dbeca2eec7642932ec3f60f8a2d4bdbf (patch)
tree4927e959a656def901bb105605df4ab6977ab2d1 /drivers/misc/sgi-gru/grufile.c
parent518e5cd4aae476042bdee511e0e00c8670c0df42 (diff)
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gru: allow users to specify gru chiplet 2
Add support to the GRU driver to allow users to specify the blade & chiplet for allocation of GRU contexts. Add new statistics for context loading/unloading/retargeting. Also deleted a few GRU stats that were no longer being unused. 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/grufile.c')
-rw-r--r--drivers/misc/sgi-gru/grufile.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 2e574fd5d3f7..0a6d2a5a01f3 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -232,23 +232,24 @@ static long gru_file_unlocked_ioctl(struct file *file, unsigned int req,
* system.
*/
static void gru_init_chiplet(struct gru_state *gru, unsigned long paddr,
- void *vaddr, int nid, int bid, int grunum)
+ void *vaddr, int blade_id, int chiplet_id)
{
spin_lock_init(&gru->gs_lock);
spin_lock_init(&gru->gs_asid_lock);
gru->gs_gru_base_paddr = paddr;
gru->gs_gru_base_vaddr = vaddr;
- gru->gs_gid = bid * GRU_CHIPLETS_PER_BLADE + grunum;
- gru->gs_blade = gru_base[bid];
- gru->gs_blade_id = bid;
+ gru->gs_gid = blade_id * GRU_CHIPLETS_PER_BLADE + chiplet_id;
+ gru->gs_blade = gru_base[blade_id];
+ gru->gs_blade_id = blade_id;
+ gru->gs_chiplet_id = chiplet_id;
gru->gs_cbr_map = (GRU_CBR_AU == 64) ? ~0 : (1UL << GRU_CBR_AU) - 1;
gru->gs_dsr_map = (1UL << GRU_DSR_AU) - 1;
gru->gs_asid_limit = MAX_ASID;
gru_tgh_flush_init(gru);
if (gru->gs_gid >= gru_max_gids)
gru_max_gids = gru->gs_gid + 1;
- gru_dbg(grudev, "bid %d, nid %d, gid %d, vaddr %p (0x%lx)\n",
- bid, nid, gru->gs_gid, gru->gs_gru_base_vaddr,
+ gru_dbg(grudev, "bid %d, gid %d, vaddr %p (0x%lx)\n",
+ blade_id, gru->gs_gid, gru->gs_gru_base_vaddr,
gru->gs_gru_base_paddr);
}
@@ -283,7 +284,7 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr)
chip++, gru++) {
paddr = gru_chiplet_paddr(gru_base_paddr, pnode, chip);
vaddr = gru_chiplet_vaddr(gru_base_vaddr, pnode, chip);
- gru_init_chiplet(gru, paddr, vaddr, nid, bid, chip);
+ gru_init_chiplet(gru, paddr, vaddr, bid, chip);
n = hweight64(gru->gs_cbr_map) * GRU_CBR_AU_SIZE;
cbrs = max(cbrs, n);
n = hweight64(gru->gs_dsr_map) * GRU_DSR_AU_BYTES;