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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: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dennis Dalessandro 2016-01-06 10:04:23 -08:00 committed by Doug Ledford
parent f3d01bbcdc
commit b036db83c0
2 changed files with 31 additions and 19 deletions
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7
drivers/infiniband/sw/rdmavt/ah.c
View File

@ -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;
}

43
include/rdma/rdma_vt.h
View File

@ -467,23 +467,6 @@ struct rvt_driver_params {
int nports;
};
/*
* Functions that drivers are required to support
*/
struct rvt_dev_info;
struct rvt_driver_provided {
/*
* The work to create port files in /sys/class Infiniband is different
* depending on the driver. This should not be extracted away and
* instead drivers are responsible for setting the correct callback for
* this.
*/
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;
@ -495,6 +478,32 @@ 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 {
/*
* The work to create port files in /sys/class Infiniband is different
* depending on the driver. This should not be extracted away and
* 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);
/*--------------------*/
/* 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 {