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qedr: Convert srqidr to XArray 

Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Matthew Wilcox 2019-02-20 16:20:59 -08:00 committed by Jason Gunthorpe
parent b6014f9e5f
commit 9fd15987ed
3 changed files with 7 additions and 41 deletions
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7
drivers/infiniband/hw/qedr/main.c
View File

@ -39,7 +39,6 @@
#include <linux/iommu.h>
#include <linux/pci.h>
#include <net/addrconf.h>
#include <linux/idr.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_if.h>
@ -759,8 +758,8 @@ static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle)
break;
case EVENT_TYPE_SRQ:
srq_id = (u16)roce_handle64;
spin_lock_irqsave(&dev->srqidr.idr_lock, flags);
srq = idr_find(&dev->srqidr.idr, srq_id);
xa_lock_irqsave(&dev->srqs, flags);
srq = xa_load(&dev->srqs, srq_id);
if (srq) {
ibsrq = &srq->ibsrq;
if (ibsrq->event_handler) {
@ -774,7 +773,7 @@ static void qedr_affiliated_event(void *context, u8 e_code, void *fw_handle)
"SRQ event with NULL pointer ibsrq. Handle=%llx\n",
roce_handle64);
}
spin_unlock_irqrestore(&dev->srqidr.idr_lock, flags);
xa_unlock_irqrestore(&dev->srqs, flags);
DP_NOTICE(dev, "SRQ event %d on handle %p\n", e_code, srq);
default:
break;

9
drivers/infiniband/hw/qedr/qedr.h
View File

@ -33,7 +33,7 @@
#define __QEDR_H__
#include <linux/pci.h>
#include <linux/idr.h>
#include <linux/xarray.h>
#include <rdma/ib_addr.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_chain.h>
@ -123,11 +123,6 @@ struct qedr_device_attr {
#define QEDR_ENET_STATE_BIT (0)
struct qedr_idr {
spinlock_t idr_lock; /* Protect idr data-structure */
struct idr idr;
};
struct qedr_dev {
struct ib_device ibdev;
struct qed_dev *cdev;
@ -172,7 +167,7 @@ struct qedr_dev {
struct qedr_qp *gsi_qp;
enum qed_rdma_type rdma_type;
struct xarray qps;
struct qedr_idr srqidr;
struct xarray srqs;
struct workqueue_struct *iwarp_wq;
u16 iwarp_max_mtu;

32
drivers/infiniband/hw/qedr/verbs.c
View File

@ -1380,11 +1380,6 @@ err0:
return rc;
}
static int qedr_idr_add(struct qedr_dev *dev, struct qedr_idr *qidr,
void *ptr, u32 id);
static void qedr_idr_remove(struct qedr_dev *dev,
struct qedr_idr *qidr, u32 id);
struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
@ -1467,7 +1462,7 @@ struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
goto err2;
}
rc = qedr_idr_add(dev, &dev->srqidr, srq, srq->srq_id);
rc = xa_insert_irq(&dev->srqs, srq->srq_id, srq, GFP_KERNEL);
if (rc)
goto err2;
@ -1496,7 +1491,7 @@ int qedr_destroy_srq(struct ib_srq *ibsrq)
struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
struct qedr_srq *srq = get_qedr_srq(ibsrq);
qedr_idr_remove(dev, &dev->srqidr, srq->srq_id);
xa_erase_irq(&dev->srqs, srq->srq_id);
in_params.srq_id = srq->srq_id;
dev->ops->rdma_destroy_srq(dev->rdma_ctx, &in_params);
@ -1596,29 +1591,6 @@ static inline void qedr_qp_user_print(struct qedr_dev *dev, struct qedr_qp *qp)
qp->usq.buf_len, qp->urq.buf_addr, qp->urq.buf_len);
}
static int qedr_idr_add(struct qedr_dev *dev, struct qedr_idr *qidr,
void *ptr, u32 id)
{
int rc;
idr_preload(GFP_KERNEL);
spin_lock_irq(&qidr->idr_lock);
rc = idr_alloc(&qidr->idr, ptr, id, id + 1, GFP_ATOMIC);
spin_unlock_irq(&qidr->idr_lock);
idr_preload_end();
return rc < 0 ? rc : 0;
}
static void qedr_idr_remove(struct qedr_dev *dev, struct qedr_idr *qidr, u32 id)
{
spin_lock_irq(&qidr->idr_lock);
idr_remove(&qidr->idr, id);
spin_unlock_irq(&qidr->idr_lock);
}
static inline void
qedr_iwarp_populate_user_qp(struct qedr_dev *dev,
struct qedr_qp *qp,