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Commit b036db83 authored by Dennis Dalessandro's avatar Dennis Dalessandro Committed by Doug Ledford
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IB/rdmavt: Add driver notification for new AH 



Drivers may need to do some work once an address handle has been
created. Add a driver function for this purpose.

Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Reviewed-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: default avatarHarish Chegondi <harish.chegondi@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent f3d01bbc

drivers/infiniband/sw/rdmavt/ah.c

+5 −2
Original line number Diff line number Diff line
@@ -83,8 +83,8 @@ 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);
@@ -123,6 +123,9 @@ 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;

}

include/rdma/rdma_vt.h

+25 −16
Original line number Diff line number Diff line
@@ -467,9 +467,21 @@ 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 {

	/*
@@ -478,23 +490,20 @@ 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 {