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| author | Joachim Fenkes <fenkes@de.ibm.com> | 2007-07-09 15:25:10 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-07-09 20:12:27 -0700 |
| commit | a6a12947fbf4a1782535468d756b0d44babf9760 (patch) | |
| tree | 4819ad9abd03f92e51c076745e7068028d06b105 /drivers/infiniband/hw/ehca/ehca_classes.h | |
| parent | 9a79fc0a1b815cbd05a8e37ea838acfccb7235cc (diff) | |
| download | kernel_samsung_tuna-a6a12947fbf4a1782535468d756b0d44babf9760.zip kernel_samsung_tuna-a6a12947fbf4a1782535468d756b0d44babf9760.tar.gz kernel_samsung_tuna-a6a12947fbf4a1782535468d756b0d44babf9760.tar.bz2 | |
IB/ehca: add Shared Receive Queue support
Support SRQs on eHCA2. Since an SRQ is a QP for eHCA2, a lot of code
(structures, create, destroy, post_recv) can be shared between QP and SRQ.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_classes.h')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 6e75db6..9d689ae 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -5,6 +5,7 @@ * * Authors: Heiko J Schick <schickhj@de.ibm.com> * Christoph Raisch <raisch@de.ibm.com> + * Joachim Fenkes <fenkes@de.ibm.com> * * Copyright (c) 2005 IBM Corporation * @@ -117,9 +118,20 @@ struct ehca_pd { u32 ownpid; }; +enum ehca_ext_qp_type { + EQPT_NORMAL = 0, + EQPT_LLQP = 1, + EQPT_SRQBASE = 2, + EQPT_SRQ = 3, +}; + struct ehca_qp { - struct ib_qp ib_qp; + union { + struct ib_qp ib_qp; + struct ib_srq ib_srq; + }; u32 qp_type; + enum ehca_ext_qp_type ext_type; struct ipz_queue ipz_squeue; struct ipz_queue ipz_rqueue; struct h_galpas galpas; @@ -142,6 +154,10 @@ struct ehca_qp { u32 mm_count_galpa; }; +#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ) +#define HAS_SQ(qp) (qp->ext_type != EQPT_SRQ) +#define HAS_RQ(qp) (qp->ext_type != EQPT_SRQBASE) + /* must be power of 2 */ #define QP_HASHTAB_LEN 8 @@ -307,6 +323,7 @@ struct ehca_create_qp_resp { u32 qp_num; u32 token; u32 qp_type; + u32 ext_type; u32 qkey; /* qp_num assigned by ehca: sqp0/1 may have got different numbers */ u32 real_qp_num; @@ -329,13 +346,6 @@ enum ehca_service_type { ST_UD = 3, }; -enum ehca_ext_qp_type { - EQPT_NORMAL = 0, - EQPT_LLQP = 1, - EQPT_SRQBASE = 2, - EQPT_SRQ = 3, -}; - enum ehca_ll_comp_flags { LLQP_SEND_COMP = 0x20, LLQP_RECV_COMP = 0x40, |