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authorDave Olson <dave.olson@qlogic.com>2007-06-18 14:24:41 -0700
committerRoland Dreier <rolandd@cisco.com>2007-07-09 20:12:26 -0700
commit9380068fc2f230e7840ff87d3f1e6030ae2ee5e8 (patch)
tree693349ae9f8dc25156091f7834030b35e01f23e1 /drivers/infiniband/hw/ipath/ipath_intr.c
parent561095f20eeb5c6c05c303bad8cdb3f8a80821bc (diff)
downloadblackbird-op-linux-9380068fc2f230e7840ff87d3f1e6030ae2ee5e8.tar.gz
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IB/ipath: Use S_ABORT not cancel and abort on exit freeze mode after recovery
This centralizes the use of the abort functionality, removes the unneeded buffer cancel (abort does the same thing), sets up to ignore launch errors after abort, same as cancel. We need abort on exit from freeze mode to avoid having buffers stuck in the busy state, if a user process happened to complete the send while we were in freeze mode doing the recovery. Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_intr.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index d9cdd00c8233..948091f7d5ac 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -93,7 +93,8 @@ void ipath_disarm_senderrbufs(struct ipath_devdata *dd, int rewrite)
if (sbuf[0] || sbuf[1] || (piobcnt > 128 && (sbuf[2] || sbuf[3]))) {
int i;
- if (ipath_debug & (__IPATH_PKTDBG|__IPATH_DBG)) {
+ if (ipath_debug & (__IPATH_PKTDBG|__IPATH_DBG) &&
+ dd->ipath_lastcancel > jiffies) {
__IPATH_DBG_WHICH(__IPATH_PKTDBG|__IPATH_DBG,
"SendbufErrs %lx %lx", sbuf[0],
sbuf[1]);
@@ -108,7 +109,8 @@ void ipath_disarm_senderrbufs(struct ipath_devdata *dd, int rewrite)
ipath_clrpiobuf(dd, i);
ipath_disarm_piobufs(dd, i, 1);
}
- dd->ipath_lastcancel = jiffies+3; /* no armlaunch for a bit */
+ /* ignore armlaunch errs for a bit */
+ dd->ipath_lastcancel = jiffies+3;
}
}
@@ -290,12 +292,7 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
* Flush all queued sends when link went to DOWN or INIT,
* to be sure that they don't block SMA and other MAD packets
*/
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- INFINIPATH_S_ABORT);
- ipath_disarm_piobufs(dd, dd->ipath_lastport_piobuf,
- (unsigned)(dd->ipath_piobcnt2k +
- dd->ipath_piobcnt4k) -
- dd->ipath_lastport_piobuf);
+ ipath_cancel_sends(dd);
}
else if (lstate == IPATH_IBSTATE_INIT || lstate == IPATH_IBSTATE_ARM ||
lstate == IPATH_IBSTATE_ACTIVE) {
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