diff options
| author | Jack Steiner | 2009-12-16 01:48:04 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2009-12-16 16:20:14 +0100 |
| commit | 518e5cd4aae476042bdee511e0e00c8670c0df42 (patch) | |
| tree | ca65637bbc1c1e75b08bcb9082d62e28040b54bd /drivers/misc/sgi-gru/grufault.c | |
| parent | gru: handle blades without memory (diff) | |
| download | kernel-qcow2-linux-518e5cd4aae476042bdee511e0e00c8670c0df42.tar.gz kernel-qcow2-linux-518e5cd4aae476042bdee511e0e00c8670c0df42.tar.xz kernel-qcow2-linux-518e5cd4aae476042bdee511e0e00c8670c0df42.zip | |
gru: allow users to specify gru chiplet 1
Add table & user request infrastructure that is needed to allow users to
specify the blade and chiplet for allocation of GRU contexts. Use of this
information is in a subsequent patch.
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/grufault.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index a9f0cf483005..a69d119921ff 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -763,6 +763,16 @@ int gru_set_context_option(unsigned long arg) return -EINVAL; switch (req.op) { + case sco_blade_chiplet: + /* Select blade/chiplet for GRU context */ + if (req.val1 < -1 || req.val1 >= GRU_MAX_BLADES || !gru_base[req.val1] || + req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB) { + ret = -EINVAL; + } else { + gts->ts_user_blade_id = req.val1; + gts->ts_user_chiplet_id = req.val0; + } + break; case sco_gseg_owner: /* Register the current task as the GSEG owner */ gts->ts_tgid_owner = current->tgid; |