diff options
| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2016-07-01 16:02:07 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-08-02 15:47:44 -0400 |
| commit | afcf8f7647780aa147ad68be48d223cd50311b9a (patch) | |
| tree | 1cff6e2d03b496394f340b83b7a7692316147e37 /include/rdma | |
| parent | 71e68e3db8008d89d4eb25483ea68d752015e9d8 (diff) | |
| download | lwn-afcf8f7647780aa147ad68be48d223cd50311b9a.tar.gz lwn-afcf8f7647780aa147ad68be48d223cd50311b9a.zip | |
IB/rdmavt: Add data structures and routines for table driven post send
Add flexibility for driver dependent operations in post send
because different drivers will have differing post send
operation support.
This includes data structure definitions to support a table
driven scheme along with the necessary validation routine
using the new table.
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Jianxin Xiong <jianxin.xiong@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdma_vt.h | 3 | ||||
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 28 |
2 files changed, 27 insertions, 4 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 9c9a27d42aaa..3a70dc047314 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -351,6 +351,9 @@ struct rvt_dev_info { /* Driver specific properties */ struct rvt_driver_params dparms; + /* post send table */ + const struct rvt_operation_params *post_parms; + struct rvt_mregion __rcu *dma_mr; struct rvt_lkey_table lkey_table; diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 6d23b879416a..a90d1e941504 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -228,11 +228,31 @@ struct rvt_ack_entry { #define RC_QP_SCALING_INTERVAL 5 -/* - * Variables prefixed with s_ are for the requester (sender). - * Variables prefixed with r_ are for the responder (receiver). - * Variables prefixed with ack_ are for responder replies. +#define RVT_OPERATION_PRIV 0x00000001 +#define RVT_OPERATION_ATOMIC 0x00000002 +#define RVT_OPERATION_ATOMIC_SGE 0x00000004 + +#define RVT_OPERATION_MAX (IB_WR_RESERVED10 + 1) + +/** + * rvt_operation_params - op table entry + * @length - the length to copy into the swqe entry + * @qpt_support - a bit mask indicating QP type support + * @flags - RVT_OPERATION flags (see above) + * + * This supports table driven post send so that + * the driver can have differing an potentially + * different sets of operations. * + **/ + +struct rvt_operation_params { + size_t length; + u32 qpt_support; + u32 flags; +}; + +/* * Common variables are protected by both r_rq.lock and s_lock in that order * which only happens in modify_qp() or changing the QP 'state'. */ |