path: root/drivers/infiniband/hw
diff options
authorVipul Pandya <vipul@chelsio.com>2012-05-18 15:29:25 +0530
committerRoland Dreier <roland@purestorage.com>2012-05-18 13:22:27 -0700
commit8caa1e8446948afefdb4dd2050a465f6da777652 (patch)
treece8b61eec0f0dc47b4b80fc9d352d46dcea9cdd0 /drivers/infiniband/hw
parentcxgb4: Detect DB FULL events and notify RDMA ULD (diff)
cxgb4: Common platform specific changes for DB Drop Recovery
Add platform-specific callback functions for interrupts. This is needed to do a single read-clear of the CAUSE register and then call out to platform specific functions for DB threshold interrupts and DB drop interrupts. Add t4_mem_win_read_len() - mem-window reads for arbitrary lengths. This is used to read the CIDX/PIDX values from EC contexts during DB drop recovery. Add t4_fwaddrspace_write() - sends addrspace write cmds to the fw. Needed to flush the sge eq context cache. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw')
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