2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-20 11:13:58 +08:00
linux-next/drivers/infiniband/hw
Dave Olson e2ab41cae4 IB/ipath: Need to always request and handle PIO avail interrupts
Now that we always use PIO for vl15 on 7220, we could get stuck forever
if we happened to run out of PIO buffers from the verbs code, because
the setup code wouldn't run; the interrupt was also ignored if SDMA was
supported.  We also have to reduce the pio update threshold if we have
fewer kernel buffers than the existing threshold.

Clean up the initialization a bit to get ordering safer and more
sensible, and use the existing ipath_chg_kernavail call to do init,
rather than doing it separately.

Drop unnecessary clearing of pio buffer on pio parity error.

Drop incorrect updating of pioavailshadow when exitting freeze mode
(software state may not match chip state if buffer has been allocated
and not yet written).

If we couldn't get a kernel buffer for a while, make sure we are
in sync with hardware, mainly to handle the exitting freeze case.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-05-07 11:00:15 -07:00
..
amso1100 IB: expand ib_umem_get() prototype 2008-04-29 08:06:12 -07:00
cxgb3 RDMA/cxgb3: Fix severe limit on userspace memory registration size 2008-05-06 15:56:22 -07:00
ehca IB/ehca: Fix function return types 2008-05-05 15:51:49 -07:00
ipath IB/ipath: Need to always request and handle PIO avail interrupts 2008-05-07 11:00:15 -07:00
mlx4 IB/mlx4: Fix off-by-one errors in calls to mlx4_ib_free_cq_buf() 2008-04-30 19:52:55 -07:00
mthca IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute 2008-04-29 13:46:53 -07:00
nes RDMA/nes: Formatting cleanup 2008-04-29 13:46:54 -07:00