if (qp->ibqp.qp_type == IB_QPT_UD ||
qp->ibqp.qp_type == IB_QPT_SMI ||
qp->ibqp.qp_type == IB_QPT_GSI)
- atomic_dec(&to_iah(wqe->ud_wr.ah)->refcount);
+ atomic_dec(
+ &ibah_to_rvtah(wqe->ud_wr.ah)->refcount);
if (++qp->s_last >= qp->s_size)
qp->s_last = 0;
}
if (attr_mask & IB_QP_AV) {
if (attr->ah_attr.dlid >= be16_to_cpu(IB_MULTICAST_LID_BASE))
goto inval;
- if (qib_check_ah(qp->ibqp.device, &attr->ah_attr))
+ if (rvt_check_ah(qp->ibqp.device, &attr->ah_attr))
goto inval;
}
if (attr->alt_ah_attr.dlid >=
be16_to_cpu(IB_MULTICAST_LID_BASE))
goto inval;
- if (qib_check_ah(qp->ibqp.device, &attr->alt_ah_attr))
+ if (rvt_check_ah(qp->ibqp.device, &attr->alt_ah_attr))
goto inval;
if (attr->alt_pkey_index >= qib_get_npkeys(dd_from_dev(dev)))
goto inval;
qp->port_num - 1)->ibmtu) {
goto bail_inval_free;
} else {
- atomic_inc(&to_iah(ud_wr(wr)->ah)->refcount);
+ atomic_inc(&ibah_to_rvtah(ud_wr(wr)->ah)->refcount);
avoid_schedule = 1;
}
wqe->ssn = qp->s_ssn++;
int qib_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr)
{
- /* A multicast address requires a GRH (see ch. 8.4.1). */
- if (ah_attr->dlid >= be16_to_cpu(IB_MULTICAST_LID_BASE) &&
- ah_attr->dlid != be16_to_cpu(IB_LID_PERMISSIVE) &&
- !(ah_attr->ah_flags & IB_AH_GRH))
- goto bail;
- if ((ah_attr->ah_flags & IB_AH_GRH) &&
- ah_attr->grh.sgid_index >= QIB_GUIDS_PER_PORT)
- goto bail;
- if (ah_attr->dlid == 0)
- goto bail;
- if (ah_attr->port_num < 1 ||
- ah_attr->port_num > ibdev->phys_port_cnt)
- goto bail;
- if (ah_attr->static_rate != IB_RATE_PORT_CURRENT &&
- ib_rate_to_mult(ah_attr->static_rate) < 0)
- goto bail;
if (ah_attr->sl > 15)
- goto bail;
- return 0;
-bail:
- return -EINVAL;
-}
-
-/**
- * qib_create_ah - create an address handle
- * @pd: the protection domain
- * @ah_attr: the attributes of the AH
- *
- * This may be called from interrupt context.
- */
-static struct ib_ah *qib_create_ah(struct ib_pd *pd,
- struct ib_ah_attr *ah_attr)
-{
- struct qib_ah *ah;
- struct ib_ah *ret;
- struct qib_ibdev *dev = to_idev(pd->device);
- unsigned long flags;
-
- if (qib_check_ah(pd->device, ah_attr)) {
- ret = ERR_PTR(-EINVAL);
- goto bail;
- }
-
- ah = kmalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah) {
- ret = ERR_PTR(-ENOMEM);
- goto bail;
- }
-
- spin_lock_irqsave(&dev->n_ahs_lock, flags);
- if (dev->n_ahs_allocated == ib_qib_max_ahs) {
- spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
- kfree(ah);
- ret = ERR_PTR(-ENOMEM);
- goto bail;
- }
-
- dev->n_ahs_allocated++;
- spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
-
- /* ib_create_ah() will initialize ah->ibah. */
- ah->attr = *ah_attr;
- atomic_set(&ah->refcount, 0);
-
- ret = &ah->ibah;
+ return -EINVAL;
-bail:
- return ret;
+ return 0;
}
struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid)
return ah;
}
-/**
- * qib_destroy_ah - destroy an address handle
- * @ibah: the AH to destroy
- *
- * This may be called from interrupt context.
- */
-static int qib_destroy_ah(struct ib_ah *ibah)
-{
- struct qib_ibdev *dev = to_idev(ibah->device);
- struct qib_ah *ah = to_iah(ibah);
- unsigned long flags;
-
- if (atomic_read(&ah->refcount) != 0)
- return -EBUSY;
-
- spin_lock_irqsave(&dev->n_ahs_lock, flags);
- dev->n_ahs_allocated--;
- spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
-
- kfree(ah);
-
- return 0;
-}
-
-static int qib_modify_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)
-{
- struct qib_ah *ah = to_iah(ibah);
-
- if (qib_check_ah(ibah->device, ah_attr))
- return -EINVAL;
-
- ah->attr = *ah_attr;
-
- return 0;
-}
-
-static int qib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)
-{
- struct qib_ah *ah = to_iah(ibah);
-
- *ah_attr = ah->attr;
-
- return 0;
-}
-
/**
* qib_get_npkeys - return the size of the PKEY table for context 0
* @dd: the qlogic_ib device
/* Only need to initialize non-zero fields. */
spin_lock_init(&dev->qpt_lock);
- spin_lock_init(&dev->n_ahs_lock);
spin_lock_init(&dev->n_cqs_lock);
spin_lock_init(&dev->n_qps_lock);
spin_lock_init(&dev->n_srqs_lock);
ibdev->dealloc_ucontext = qib_dealloc_ucontext;
ibdev->alloc_pd = NULL;
ibdev->dealloc_pd = NULL;
- ibdev->create_ah = qib_create_ah;
- ibdev->destroy_ah = qib_destroy_ah;
- ibdev->modify_ah = qib_modify_ah;
- ibdev->query_ah = qib_query_ah;
+ ibdev->create_ah = NULL;
+ ibdev->destroy_ah = NULL;
+ ibdev->modify_ah = NULL;
+ ibdev->query_ah = NULL;
ibdev->create_srq = qib_create_srq;
ibdev->modify_srq = qib_modify_srq;
ibdev->query_srq = qib_query_srq;
dd->verbs_dev.rdi.driver_f.port_callback = qib_create_port_files;
dd->verbs_dev.rdi.driver_f.get_card_name = qib_get_card_name;
dd->verbs_dev.rdi.driver_f.get_pci_dev = qib_get_pci_dev;
+ dd->verbs_dev.rdi.driver_f.check_ah = qib_check_ah;
dd->verbs_dev.rdi.dparms.props.max_pd = ib_qib_max_pds;
+ dd->verbs_dev.rdi.dparms.props.max_ah = ib_qib_max_ahs;
dd->verbs_dev.rdi.flags = (RVT_FLAG_QP_INIT_DRIVER |
RVT_FLAG_CQ_INIT_DRIVER);
dd->verbs_dev.rdi.dparms.lkey_table_size = qib_lkey_table_size;
int n_attached;
};
-/* Address Handle */
-struct qib_ah {
- struct ib_ah ibah;
- struct ib_ah_attr attr;
- atomic_t refcount;
-};
-
/*
* This structure is used to contain the head pointer, tail pointer,
* and completion queue entries as a single memory allocation so
struct rvt_qp __rcu *qp0;
struct rvt_qp __rcu *qp1;
struct ib_mad_agent *send_agent; /* agent for SMI (traps) */
- struct qib_ah *sm_ah;
- struct qib_ah *smi_ah;
+ struct rvt_ah *sm_ah;
+ struct rvt_ah *smi_ah;
struct rb_root mcast_tree;
spinlock_t lock; /* protect changes in this struct */
u32 n_piowait;
u32 n_txwait;
- u32 n_pds_allocated; /* number of PDs allocated for device */
- spinlock_t n_pds_lock;
- u32 n_ahs_allocated; /* number of AHs allocated for device */
- spinlock_t n_ahs_lock;
u32 n_cqs_allocated; /* number of CQs allocated for device */
spinlock_t n_cqs_lock;
u32 n_qps_allocated; /* number of QPs allocated for device */
u32 vl15_dropped;
};
-static inline struct qib_ah *to_iah(struct ib_ah *ibah)
-{
- return container_of(ibah, struct qib_ah, ibah);
-}
-
static inline struct qib_cq *to_icq(struct ib_cq *ibcq)
{
return container_of(ibcq, struct qib_cq, ibcq);
projects / users / jedix / linux-maple.git / commitdiff