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path: root/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
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2013-09-02RDMA/ocrdma: For ERX2 irrespective of Qid, num_posted offset is 24Naresh Gottumukkala
1) All RQ doorbells are handled by ERX2 and doorbell->num_posted offset is constant to bit offset 24 for ERX2 irrspective of Q id. 2) Fixed RESET to INIT state change (from ERR->RST->INIT->RTR case). Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-09-02RDMA/ocrdma: Remove the MTU check based on Ethernet MTUNaresh Gottumukkala
Also increase MAX AH to 512. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-09-02RDMA/ocrdma: Add support for fast register work requests (FRWR)Naresh Gottumukkala
Also get the max_srq value from query_config mailbox response. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-09-02RDMA/ocrdma: Create IRD queue fixNaresh Gottumukkala
1) Fix ocrdma_get_num_posted_shift for upto 128 QPs. 2) Create for min of dev->max_wqe and requested wqe in create_qp. 3) As part of creating ird queue, populate with basic header templates. 4) Make sure all the DB memory allocated to userspace are page aligned. 5) Fix issue in checking the mmap local cache. 6) Some code cleanup. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-08-12RDMA/ocrdma: Cache recv DB until QP moved to RTRNaresh Gottumukkala
1) In post recv, don't ring the DB doorbell if the QP is in RTR state. Cache the DB calls, until the QP is moved to RTS state. 2) Add max_rd_sge support to dev->attr. 3) Code cleanup in alloc_pd path. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-08-12RDMA/ocrdma: Remove driver QP state machineNaresh Gottumukkala
Remove QP state machine in ocrdma low-level driver and use on the core IB stack's instead. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-08-12RDMA/ocrdma: Remove redundant dev referenceNaresh Gottumukkala
Remove redundant dev reference from structures: 1) ocrdma_cq. 2) ocrdma_ah. 3) ocrdma_hw_mr. 4) ocrdma_mw. 5) ocrdma_srq. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-08-12RDMA/ocrdma: Style and redundant code cleanupNaresh Gottumukkala
Code cleanup and remove redundant code: 1) redundant initialization removed 2) braces changed as per CodingStyle. 3) redundant checks removed 4) extra braces in return statements removed. 5) removed unused pd pointer from mr. 6) reorganized get_dma_mr() 7) fixed set_av() to return error on invalid sgid index. 8) reference to ocrdma_dev removed from struct ocrdma_pd. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-07-30RDMA/ocrdma: Fix several stack info leaksDan Carpenter
A grab bag of places which don't properly initialize stack data. I removed one place which cleared ".rsvd" because it's not needed now that I have added a memset() earlier in the function. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-20RDMA/ocrdma: Change macros to inline funtionsNaresh Gottumukkala
Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-20RDMA/ocrdma: Set bad_wr in error caseNaresh Gottumukkala
Fix post_send to set the bad_wr in error case. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-20RDMA/ocrdma: Replace ocrdma_err with pr_errNaresh Gottumukkala
Remove private macro ocrdma_err and replace with standard pr_err. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-20RDMA/ocrdma: Remove use_cnt for queuesGottumukkala, Naresh
Remove use_cnt. Rely on IB midlayer to keep track of the use count. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-09-14RDMA/ocrdma: Fix CQE expansion of unsignaled WQEParav Pandit
Fix CQE expansion of unsignaled WQE -- don't expand the CQE when the WQE index of the completed CQE matches with last pending WQE (tail) in the queue. Signed-off-by: Parav Pandit <parav.pandit@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-07-27RDMA/ocrdma: Fix check of GSI CQsRoland Dreier
It looks like one check was accidentally duplicated, and the other 3 checks were left out. This was detected by scripts/coccinelle/tests/doubletest.cocci: drivers/infiniband/hw/ocrdma/ocrdma_verbs.c:895:6-54: duplicated argument to && or || Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-07-07RDMA/ocrdma: Fix assignment of max_srq_sge in device queryRoland Dreier
We want to set attr->max_srq_sge to dev->attr.max_srq_sge, not to itself. This was detected by Coverity (CID 709210). Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-06-14RDMA/ocrdma: Fix off by one in ocrdma_query_gid()Dan Carpenter
The dev->sgid_tbl[] array is allocated in ocrdma_alloc_resources(). It has OCRDMA_MAX_SGID elements so the test here is off by one. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-06-11RDMA/ocrdma: Fixed RQ error CQE pollingParav Pandit
Fix RQ/SRQ error CQE polling. Return error CQE to consumer for error case which was not returned previously. Signed-off-by: Parav Pandit <parav.pandit@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-06-11RDMA/ocrdma: Correct queue SGE calculationMahesh Vardhamanaiah
Fix max sge calculation for sq, rq, srq for all hardware types. Signed-off-by: Mahesh Vardhamanaiah <mahesh.vardhamanaiah@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-29RDMA/ocrdma: Correct queue free count mathParav Pandit
Correct queue free count math for SQ, RQ for all hardware type. Update user-kernel ABI interface. Signed-off-by: Parav Pandit <parav.pandit@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08RDMA/ocrdma: Tiny locking cleanupDan Carpenter
We only need to disable the IRQs one time. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> [ Rename "wq_flags" to more conventional "flags." - Roland ] Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08RDMA/ocrdma: Fix check for NULL instead of IS_ERRDan Carpenter
The ocrdma_alloc_lkey() function never returns NULL pointers -- it returns ERR_PTRs. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08RDMA/ocrdma: Remove write-only variablesRoland Dreier
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08RDMA/ocrdma: Fix warnings about uninitialized variablesRoland Dreier
First, fix drivers/infiniband/hw/ocrdma/ocrdma_verbs.c: In function 'ocrdma_alloc_pd': drivers/infiniband/hw/ocrdma/ocrdma_verbs.c:371:17: warning: 'dpp_page_addr' may be used uninitialized in this function [-Wuninitialized] drivers/infiniband/hw/ocrdma/ocrdma_verbs.c:337:6: note: 'dpp_page_addr' was declared here which seems that it may border on a bug (the call to ocrdma_del_mmap() might conceivably do bad things if pd->dpp_enabled is not set and dpp_page_addr ends up with just the wrong value). Also take care of: drivers/infiniband/hw/ocrdma/ocrdma_hw.c: In function 'ocrdma_init_hw': drivers/infiniband/hw/ocrdma/ocrdma_hw.c:2587:5: warning: 'status' may be used uninitialized in this function [-Wuninitialized] drivers/infiniband/hw/ocrdma/ocrdma_hw.c:2549:17: note: 'status' was declared here which is only real if num_eq == 0, which should be impossible. Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08RDMA/ocrdma: Add driver for Emulex OneConnect IBoE RDMA adapterParav Pandit
Signed-off-by: Parav Pandit <parav.pandit@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>