From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dennis Dalessandro Subject: [PATCH 32/37] IB/rdmavt: Add driver notification for new AH Date: Mon, 07 Dec 2015 15:45:19 -0500 Message-ID: <20151207204518.8144.70730.stgit@phlsvslse11.ph.intel.com> References: <20151207204046.8144.18752.stgit@phlsvslse11.ph.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20151207204046.8144.18752.stgit-K+u1se/DcYrLESAwzcoQNrvm/XP+8Wra@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Harish Chegondi , Mike Marciniszyn , Ira Weiny List-Id: linux-rdma@vger.kernel.org Drivers may need to do some work once an address handle has been created. Add a driver function for this purpose. Reviewed-by: Ira Weiny Reviewed-by: Mike Marciniszyn Reviewed-by: Harish Chegondi Signed-off-by: Dennis Dalessandro --- drivers/infiniband/sw/rdmavt/ah.c | 7 +++++- include/rdma/rdma_vt.h | 41 +++++++++++++++++++++++-------------- 2 files changed, 30 insertions(+), 18 deletions(-) diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c index 3e3d758..982c2ae 100644 --- a/drivers/infiniband/sw/rdmavt/ah.c +++ b/drivers/infiniband/sw/rdmavt/ah.c @@ -86,8 +86,8 @@ int rvt_check_ah(struct ib_device *ibdev, !(ah_attr->ah_flags & IB_AH_GRH)) return -EINVAL; } - if (rdi->driver_f.check_ah(ibdev, ah_attr)) - return -EINVAL; + if (rdi->driver_f.check_ah) + return rdi->driver_f.check_ah(ibdev, ah_attr); return 0; } EXPORT_SYMBOL(rvt_check_ah); @@ -126,6 +126,9 @@ struct ib_ah *rvt_create_ah(struct ib_pd *pd, ah->attr = *ah_attr; atomic_set(&ah->refcount, 0); + if (dev->driver_f.notify_new_ah) + dev->driver_f.notify_new_ah(pd->device, ah_attr, ah); + return &ah->ibah; } diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 4ccae84..f75e7c7 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -470,9 +470,21 @@ struct rvt_driver_params { int nports; }; -/* - * Functions that drivers are required to support - */ +/* Protection domain */ +struct rvt_pd { + struct ib_pd ibpd; + int user; /* non-zero if created from user space */ +}; + +/* Address handle */ +struct rvt_ah { + struct ib_ah ibah; + struct ib_ah_attr attr; + atomic_t refcount; + u8 vl; + u8 log_pmtu; +}; + struct rvt_dev_info; struct rvt_driver_provided { /* @@ -481,23 +493,20 @@ struct rvt_driver_provided { * instead drivers are responsible for setting the correct callback for * this. */ + + /* -------------------*/ + /* Required functions */ + /* -------------------*/ int (*port_callback)(struct ib_device *, u8, struct kobject *); const char * (*get_card_name)(struct rvt_dev_info *rdi); struct pci_dev * (*get_pci_dev)(struct rvt_dev_info *rdi); - int (*check_ah)(struct ib_device *, struct ib_ah_attr *); -}; -/* Protection domain */ -struct rvt_pd { - struct ib_pd ibpd; - int user; /* non-zero if created from user space */ -}; - -/* Address handle */ -struct rvt_ah { - struct ib_ah ibah; - struct ib_ah_attr attr; - atomic_t refcount; + /*--------------------*/ + /* Optional functions */ + /*--------------------*/ + int (*check_ah)(struct ib_device *, struct ib_ah_attr *); + void (*notify_new_ah)(struct ib_device *, struct ib_ah_attr *, + struct rvt_ah *); }; struct rvt_dev_info { -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html