diff options
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.c | 5 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.h | 30 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_mem.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.c | 8 |
4 files changed, 10 insertions, 35 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c index 578bc9ed90b7..56a8ab6210cf 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.c +++ b/drivers/infiniband/hw/cxgb3/iwch.c @@ -100,8 +100,7 @@ static void rnic_init(struct iwch_dev *rnicp) pr_debug("%s iwch_dev %p\n", __func__, rnicp); xa_init_flags(&rnicp->cqs, XA_FLAGS_LOCK_IRQ); xa_init_flags(&rnicp->qps, XA_FLAGS_LOCK_IRQ); - idr_init(&rnicp->mmidr); - spin_lock_init(&rnicp->lock); + xa_init_flags(&rnicp->mrs, XA_FLAGS_LOCK_IRQ); INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task); rnicp->attr.max_qps = T3_MAX_NUM_QP - 32; @@ -185,7 +184,7 @@ static void close_rnic_dev(struct t3cdev *tdev) cxio_rdev_close(&dev->rdev); WARN_ON(!xa_empty(&dev->cqs)); WARN_ON(!xa_empty(&dev->qps)); - idr_destroy(&dev->mmidr); + WARN_ON(!xa_empty(&dev->mrs)); ib_dealloc_device(&dev->ibdev); break; } diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h index 70e086946d30..310a937bffcf 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.h +++ b/drivers/infiniband/hw/cxgb3/iwch.h @@ -35,7 +35,7 @@ #include <linux/mutex.h> #include <linux/list.h> #include <linux/spinlock.h> -#include <linux/idr.h> +#include <linux/xarray.h> #include <linux/workqueue.h> #include <rdma/ib_verbs.h> @@ -108,8 +108,7 @@ struct iwch_dev { struct iwch_rnic_attributes attr; struct xarray cqs; struct xarray qps; - struct idr mmidr; - spinlock_t lock; + struct xarray mrs; struct list_head entry; struct delayed_work db_drop_task; }; @@ -146,30 +145,7 @@ static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid) static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid) { - return idr_find(&rhp->mmidr, mmid); -} - -static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr, - void *handle, u32 id) -{ - int ret; - - idr_preload(GFP_KERNEL); - spin_lock_irq(&rhp->lock); - - ret = idr_alloc(idr, handle, id, id + 1, GFP_NOWAIT); - - spin_unlock_irq(&rhp->lock); - idr_preload_end(); - - return ret < 0 ? ret : 0; -} - -static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id) -{ - spin_lock_irq(&rhp->lock); - idr_remove(idr, id); - spin_unlock_irq(&rhp->lock); + return xa_load(&rhp->mrs, mmid); } extern struct cxgb3_client t3c_client; diff --git a/drivers/infiniband/hw/cxgb3/iwch_mem.c b/drivers/infiniband/hw/cxgb3/iwch_mem.c index 12886b1b4b10..ce0f2741821d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_mem.c +++ b/drivers/infiniband/hw/cxgb3/iwch_mem.c @@ -49,7 +49,7 @@ static int iwch_finish_mem_reg(struct iwch_mr *mhp, u32 stag) mmid = stag >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; pr_debug("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp); - return insert_handle(mhp->rhp, &mhp->rhp->mmidr, mhp, mmid); + return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL); } int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php, diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 7dcac117d4aa..c9a1fb323b5c 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -421,7 +421,7 @@ static int iwch_dereg_mr(struct ib_mr *ib_mr) cxio_dereg_mem(&rhp->rdev, mhp->attr.stag, mhp->attr.pbl_size, mhp->attr.pbl_addr); iwch_free_pbl(mhp); - remove_handle(rhp, &rhp->mmidr, mmid); + xa_erase_irq(&rhp->mrs, mmid); if (mhp->kva) kfree((void *) (unsigned long) mhp->kva); if (mhp->umem) @@ -636,7 +636,7 @@ static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, mhp->attr.stag = stag; mmid = (stag) >> 8; mhp->ibmw.rkey = stag; - if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) { + if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) { cxio_deallocate_window(&rhp->rdev, mhp->attr.stag); kfree(mhp); return ERR_PTR(-ENOMEM); @@ -655,7 +655,7 @@ static int iwch_dealloc_mw(struct ib_mw *mw) rhp = mhp->rhp; mmid = (mw->rkey) >> 8; cxio_deallocate_window(&rhp->rdev, mhp->attr.stag); - remove_handle(rhp, &rhp->mmidr, mmid); + xa_erase_irq(&rhp->mrs, mmid); pr_debug("%s ib_mw %p mmid 0x%x ptr %p\n", __func__, mw, mmid, mhp); kfree(mhp); return 0; @@ -701,7 +701,7 @@ static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, mhp->attr.state = 1; mmid = (stag) >> 8; mhp->ibmr.rkey = mhp->ibmr.lkey = stag; - ret = insert_handle(rhp, &rhp->mmidr, mhp, mmid); + ret = xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL); if (ret) goto err3; |