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Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_qp.c19
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch.h24
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h27
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c27
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c34
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c16
-rw-r--r--drivers/infiniband/hw/ipath/ipath_file_ops.c1
-rw-r--r--drivers/infiniband/hw/mlx4/cm.c32
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c14
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c21
11 files changed, 88 insertions, 129 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 28cd5cb51859..0ab826b280b2 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -382,14 +382,17 @@ static int c2_alloc_qpn(struct c2_dev *c2dev, struct c2_qp *qp)
{
int ret;
- do {
- spin_lock_irq(&c2dev->qp_table.lock);
- ret = idr_get_new_above(&c2dev->qp_table.idr, qp,
- c2dev->qp_table.last++, &qp->qpn);
- spin_unlock_irq(&c2dev->qp_table.lock);
- } while ((ret == -EAGAIN) &&
- idr_pre_get(&c2dev->qp_table.idr, GFP_KERNEL));
- return ret;
+ idr_preload(GFP_KERNEL);
+ spin_lock_irq(&c2dev->qp_table.lock);
+
+ ret = idr_alloc(&c2dev->qp_table.idr, qp, c2dev->qp_table.last++, 0,
+ GFP_NOWAIT);
+ if (ret >= 0)
+ qp->qpn = ret;
+
+ spin_unlock_irq(&c2dev->qp_table.lock);
+ idr_preload_end();
+ return ret < 0 ? ret : 0;
}
static void c2_free_qpn(struct c2_dev *c2dev, int qpn)
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h
index a1c44578e039..837862287a29 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.h
+++ b/drivers/infiniband/hw/cxgb3/iwch.h
@@ -153,19 +153,17 @@ static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr,
void *handle, u32 id)
{
int ret;
- int newid;
-
- do {
- if (!idr_pre_get(idr, GFP_KERNEL)) {
- return -ENOMEM;
- }
- spin_lock_irq(&rhp->lock);
- ret = idr_get_new_above(idr, handle, id, &newid);
- BUG_ON(newid != id);
- spin_unlock_irq(&rhp->lock);
- } while (ret == -EAGAIN);
-
- return 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();
+
+ BUG_ON(ret == -ENOSPC);
+ return ret < 0 ? ret : 0;
}
static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id)
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index 94a3b3c47a8a..3c9dee2b97cc 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -260,20 +260,21 @@ static inline int _insert_handle(struct c4iw_dev *rhp, struct idr *idr,
void *handle, u32 id, int lock)
{
int ret;
- int newid;
- do {
- if (!idr_pre_get(idr, lock ? GFP_KERNEL : GFP_ATOMIC))
- return -ENOMEM;
- if (lock)
- spin_lock_irq(&rhp->lock);
- ret = idr_get_new_above(idr, handle, id, &newid);
- BUG_ON(!ret && newid != id);
- if (lock)
- spin_unlock_irq(&rhp->lock);
- } while (ret == -EAGAIN);
-
- return ret;
+ if (lock) {
+ idr_preload(GFP_KERNEL);
+ spin_lock_irq(&rhp->lock);
+ }
+
+ ret = idr_alloc(idr, handle, id, id + 1, GFP_ATOMIC);
+
+ if (lock) {
+ spin_unlock_irq(&rhp->lock);
+ idr_preload_end();
+ }
+
+ BUG_ON(ret == -ENOSPC);
+ return ret < 0 ? ret : 0;
}
static inline int insert_handle(struct c4iw_dev *rhp, struct idr *idr,
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 8f5290147e8a..212150c25ea0 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -128,7 +128,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
void *vpage;
u32 counter;
u64 rpage, cqx_fec, h_ret;
- int ipz_rc, ret, i;
+ int ipz_rc, i;
unsigned long flags;
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
@@ -163,32 +163,19 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
adapter_handle = shca->ipz_hca_handle;
param.eq_handle = shca->eq.ipz_eq_handle;
- do {
- if (!idr_pre_get(&ehca_cq_idr, GFP_KERNEL)) {
- cq = ERR_PTR(-ENOMEM);
- ehca_err(device, "Can't reserve idr nr. device=%p",
- device);
- goto create_cq_exit1;
- }
-
- write_lock_irqsave(&ehca_cq_idr_lock, flags);
- ret = idr_get_new(&ehca_cq_idr, my_cq, &my_cq->token);
- write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
- } while (ret == -EAGAIN);
+ idr_preload(GFP_KERNEL);
+ write_lock_irqsave(&ehca_cq_idr_lock, flags);
+ my_cq->token = idr_alloc(&ehca_cq_idr, my_cq, 0, 0x2000000, GFP_NOWAIT);
+ write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
+ idr_preload_end();
- if (ret) {
+ if (my_cq->token < 0) {
cq = ERR_PTR(-ENOMEM);
ehca_err(device, "Can't allocate new idr entry. device=%p",
device);
goto create_cq_exit1;
}
- if (my_cq->token > 0x1FFFFFF) {
- cq = ERR_PTR(-ENOMEM);
- ehca_err(device, "Invalid number of cq. device=%p", device);
- goto create_cq_exit2;
- }
-
/*
* CQs maximum depth is 4GB-64, but we need additional 20 as buffer
* for receiving errors CQEs.
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 149393915ae5..00d6861a6a18 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -636,30 +636,26 @@ static struct ehca_qp *internal_create_qp(
my_qp->send_cq =
container_of(init_attr->send_cq, struct ehca_cq, ib_cq);
- do {
- if (!idr_pre_get(&ehca_qp_idr, GFP_KERNEL)) {
- ret = -ENOMEM;
- ehca_err(pd->device, "Can't reserve idr resources.");
- goto create_qp_exit0;
- }
+ idr_preload(GFP_KERNEL);
+ write_lock_irqsave(&ehca_qp_idr_lock, flags);
- write_lock_irqsave(&ehca_qp_idr_lock, flags);
- ret = idr_get_new(&ehca_qp_idr, my_qp, &my_qp->token);
- write_unlock_irqrestore(&ehca_qp_idr_lock, flags);
- } while (ret == -EAGAIN);
+ ret = idr_alloc(&ehca_qp_idr, my_qp, 0, 0x2000000, GFP_NOWAIT);
+ if (ret >= 0)
+ my_qp->token = ret;
- if (ret) {
- ret = -ENOMEM;
- ehca_err(pd->device, "Can't allocate new idr entry.");
+ write_unlock_irqrestore(&ehca_qp_idr_lock, flags);
+ idr_preload_end();
+ if (ret < 0) {
+ if (ret == -ENOSPC) {
+ ret = -EINVAL;
+ ehca_err(pd->device, "Invalid number of qp");
+ } else {
+ ret = -ENOMEM;
+ ehca_err(pd->device, "Can't allocate new idr entry.");
+ }
goto create_qp_exit0;
}
- if (my_qp->token > 0x1FFFFFF) {
- ret = -EINVAL;
- ehca_err(pd->device, "Invalid number of qp");
- goto create_qp_exit1;
- }
-
if (has_srq)
parms.srq_token = my_qp->token;
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 7b371f545ece..fcdaeea9f7de 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -194,11 +194,6 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
struct ipath_devdata *dd;
int ret;
- if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
- dd = ERR_PTR(-ENOMEM);
- goto bail;
- }
-
dd = vzalloc(sizeof(*dd));
if (!dd) {
dd = ERR_PTR(-ENOMEM);
@@ -206,9 +201,10 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
}
dd->ipath_unit = -1;
+ idr_preload(GFP_KERNEL);
spin_lock_irqsave(&ipath_devs_lock, flags);
- ret = idr_get_new(&unit_table, dd, &dd->ipath_unit);
+ ret = idr_alloc(&unit_table, dd, 0, 0, GFP_KERNEL);
if (ret < 0) {
printk(KERN_ERR IPATH_DRV_NAME
": Could not allocate unit ID: error %d\n", -ret);
@@ -216,6 +212,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
dd = ERR_PTR(ret);
goto bail_unlock;
}
+ dd->ipath_unit = ret;
dd->pcidev = pdev;
pci_set_drvdata(pdev, dd);
@@ -224,7 +221,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
bail_unlock:
spin_unlock_irqrestore(&ipath_devs_lock, flags);
-
+ idr_preload_end();
bail:
return dd;
}
@@ -2503,11 +2500,6 @@ static int __init infinipath_init(void)
* the PCI subsystem.
*/
idr_init(&unit_table);
- if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
- printk(KERN_ERR IPATH_DRV_NAME ": idr_pre_get() failed\n");
- ret = -ENOMEM;
- goto bail;
- }
ret = pci_register_driver(&ipath_driver);
if (ret < 0) {
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 3eb7e454849b..62edc414e162 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -40,6 +40,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/io.h>
+#include <linux/aio.h>
#include <linux/jiffies.h>
#include <linux/cpu.h>
#include <asm/pgtable.h>
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index dbc99d41605c..80e59ed864b3 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -203,7 +203,7 @@ static void sl_id_map_add(struct ib_device *ibdev, struct id_map_entry *new)
static struct id_map_entry *
id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id)
{
- int ret, id;
+ int ret;
static int next_id;
struct id_map_entry *ent;
struct mlx4_ib_sriov *sriov = &to_mdev(ibdev)->sriov;
@@ -220,25 +220,23 @@ id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id)
ent->dev = to_mdev(ibdev);
INIT_DELAYED_WORK(&ent->timeout, id_map_ent_timeout);
- do {
- spin_lock(&to_mdev(ibdev)->sriov.id_map_lock);
- ret = idr_get_new_above(&sriov->pv_id_table, ent,
- next_id, &id);
- if (!ret) {
- next_id = ((unsigned) id + 1) & MAX_IDR_MASK;
- ent->pv_cm_id = (u32)id;
- sl_id_map_add(ibdev, ent);
- }
+ idr_preload(GFP_KERNEL);
+ spin_lock(&to_mdev(ibdev)->sriov.id_map_lock);
- spin_unlock(&sriov->id_map_lock);
- } while (ret == -EAGAIN && idr_pre_get(&sriov->pv_id_table, GFP_KERNEL));
- /*the function idr_get_new_above can return -ENOSPC, so don't insert in that case.*/
- if (!ret) {
- spin_lock(&sriov->id_map_lock);
+ ret = idr_alloc(&sriov->pv_id_table, ent, next_id, 0, GFP_NOWAIT);
+ if (ret >= 0) {
+ next_id = ((unsigned)ret + 1) & MAX_IDR_MASK;
+ ent->pv_cm_id = (u32)ret;
+ sl_id_map_add(ibdev, ent);
list_add_tail(&ent->list, &sriov->cm_list);
- spin_unlock(&sriov->id_map_lock);
- return ent;
}
+
+ spin_unlock(&sriov->id_map_lock);
+ idr_preload_end();
+
+ if (ret >= 0)
+ return ent;
+
/*error flow*/
kfree(ent);
mlx4_ib_warn(ibdev, "No more space in the idr (err:0x%x)\n", ret);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index c4e0131f1b57..48928c8e7774 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -51,18 +51,6 @@ static DEFINE_IDR(ocrdma_dev_id);
static union ib_gid ocrdma_zero_sgid;
-static int ocrdma_get_instance(void)
-{
- int instance = 0;
-
- /* Assign an unused number */
- if (!idr_pre_get(&ocrdma_dev_id, GFP_KERNEL))
- return -1;
- if (idr_get_new(&ocrdma_dev_id, NULL, &instance))
- return -1;
- return instance;
-}
-
void ocrdma_get_guid(struct ocrdma_dev *dev, u8 *guid)
{
u8 mac_addr[6];
@@ -416,7 +404,7 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
goto idr_err;
memcpy(&dev->nic_info, dev_info, sizeof(*dev_info));
- dev->id = ocrdma_get_instance();
+ dev->id = idr_alloc(&ocrdma_dev_id, NULL, 0, 0, GFP_KERNEL);
if (dev->id < 0)
goto idr_err;
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 959a5c4ff812..488300c3c330 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -39,7 +39,7 @@
#include <linux/vmalloc.h>
#include <linux/highmem.h>
#include <linux/io.h>
-#include <linux/uio.h>
+#include <linux/aio.h>
#include <linux/jiffies.h>
#include <asm/pgtable.h>
#include <linux/delay.h>
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index ddf066d9abb6..50e33aa0b4e3 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1060,22 +1060,23 @@ struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
struct qib_devdata *dd;
int ret;
- if (!idr_pre_get(&qib_unit_table, GFP_KERNEL)) {
- dd = ERR_PTR(-ENOMEM);
- goto bail;
- }
-
dd = (struct qib_devdata *) ib_alloc_device(sizeof(*dd) + extra);
if (!dd) {
dd = ERR_PTR(-ENOMEM);
goto bail;
}
+ idr_preload(GFP_KERNEL);
spin_lock_irqsave(&qib_devs_lock, flags);
- ret = idr_get_new(&qib_unit_table, dd, &dd->unit);
- if (ret >= 0)
+
+ ret = idr_alloc(&qib_unit_table, dd, 0, 0, GFP_NOWAIT);
+ if (ret >= 0) {
+ dd->unit = ret;
list_add(&dd->list, &qib_dev_list);
+ }
+
spin_unlock_irqrestore(&qib_devs_lock, flags);
+ idr_preload_end();
if (ret < 0) {
qib_early_err(&pdev->dev,
@@ -1180,11 +1181,6 @@ static int __init qlogic_ib_init(void)
* the PCI subsystem.
*/
idr_init(&qib_unit_table);
- if (!idr_pre_get(&qib_unit_table, GFP_KERNEL)) {
- pr_err("idr_pre_get() failed\n");
- ret = -ENOMEM;
- goto bail_cq_wq;
- }
ret = pci_register_driver(&qib_driver);
if (ret < 0) {
@@ -1199,7 +1195,6 @@ static int __init qlogic_ib_init(void)
bail_unit:
idr_destroy(&qib_unit_table);
-bail_cq_wq:
destroy_workqueue(qib_cq_wq);
bail_dev:
qib_dev_cleanup();
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 12:11:54 +0000