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Diffstat (limited to 'drivers/infiniband/hw/amso1100')
-rw-r--r--drivers/infiniband/hw/amso1100/c2.c5
-rw-r--r--drivers/infiniband/hw/amso1100/c2.h2
-rw-r--r--drivers/infiniband/hw/amso1100/c2_alloc.c13
-rw-r--r--drivers/infiniband/hw/amso1100/c2_cq.c18
-rw-r--r--drivers/infiniband/hw/amso1100/c2_provider.c39
-rw-r--r--drivers/infiniband/hw/amso1100/c2_qp.c36
-rw-r--r--drivers/infiniband/hw/amso1100/c2_rnic.c68
7 files changed, 93 insertions, 88 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index dc1ebeac35c..27fe242ed43 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -1155,7 +1155,8 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
goto bail10;
}
- c2_register_device(c2dev);
+ if (c2_register_device(c2dev))
+ goto bail10;
return 0;
@@ -1243,7 +1244,7 @@ static struct pci_driver c2_pci_driver = {
static int __init c2_init_module(void)
{
- return pci_module_init(&c2_pci_driver);
+ return pci_register_driver(&c2_pci_driver);
}
static void __exit c2_exit_module(void)
diff --git a/drivers/infiniband/hw/amso1100/c2.h b/drivers/infiniband/hw/amso1100/c2.h
index 1b17dcdd050..04a9db5de88 100644
--- a/drivers/infiniband/hw/amso1100/c2.h
+++ b/drivers/infiniband/hw/amso1100/c2.h
@@ -302,7 +302,7 @@ struct c2_dev {
unsigned long pa; /* PA device memory */
void **qptr_array;
- kmem_cache_t *host_msg_cache;
+ struct kmem_cache *host_msg_cache;
struct list_head cca_link; /* adapter list */
struct list_head eh_wakeup_list; /* event wakeup list */
diff --git a/drivers/infiniband/hw/amso1100/c2_alloc.c b/drivers/infiniband/hw/amso1100/c2_alloc.c
index 028a60bbfca..0315f99e419 100644
--- a/drivers/infiniband/hw/amso1100/c2_alloc.c
+++ b/drivers/infiniband/hw/amso1100/c2_alloc.c
@@ -42,13 +42,14 @@ static int c2_alloc_mqsp_chunk(struct c2_dev *c2dev, gfp_t gfp_mask,
{
int i;
struct sp_chunk *new_head;
+ dma_addr_t dma_addr;
- new_head = (struct sp_chunk *) __get_free_page(gfp_mask);
+ new_head = dma_alloc_coherent(&c2dev->pcidev->dev, PAGE_SIZE,
+ &dma_addr, gfp_mask);
if (new_head == NULL)
return -ENOMEM;
- new_head->dma_addr = dma_map_single(c2dev->ibdev.dma_device, new_head,
- PAGE_SIZE, DMA_FROM_DEVICE);
+ new_head->dma_addr = dma_addr;
pci_unmap_addr_set(new_head, mapping, new_head->dma_addr);
new_head->next = NULL;
@@ -80,10 +81,8 @@ void c2_free_mqsp_pool(struct c2_dev *c2dev, struct sp_chunk *root)
while (root) {
next = root->next;
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(root, mapping), PAGE_SIZE,
- DMA_FROM_DEVICE);
- __free_page((struct page *) root);
+ dma_free_coherent(&c2dev->pcidev->dev, PAGE_SIZE, root,
+ pci_unmap_addr(root, mapping));
root = next;
}
}
diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c
index 9d7bcc5ade9..05c9154d46f 100644
--- a/drivers/infiniband/hw/amso1100/c2_cq.c
+++ b/drivers/infiniband/hw/amso1100/c2_cq.c
@@ -246,20 +246,17 @@ int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
static void c2_free_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq)
{
-
- dma_unmap_single(c2dev->ibdev.dma_device, pci_unmap_addr(mq, mapping),
- mq->q_size * mq->msg_size, DMA_FROM_DEVICE);
- free_pages((unsigned long) mq->msg_pool.host,
- get_order(mq->q_size * mq->msg_size));
+ dma_free_coherent(&c2dev->pcidev->dev, mq->q_size * mq->msg_size,
+ mq->msg_pool.host, pci_unmap_addr(mq, mapping));
}
static int c2_alloc_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq, int q_size,
int msg_size)
{
- unsigned long pool_start;
+ u8 *pool_start;
- pool_start = __get_free_pages(GFP_KERNEL,
- get_order(q_size * msg_size));
+ pool_start = dma_alloc_coherent(&c2dev->pcidev->dev, q_size * msg_size,
+ &mq->host_dma, GFP_KERNEL);
if (!pool_start)
return -ENOMEM;
@@ -267,13 +264,10 @@ static int c2_alloc_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq, int q_size,
0, /* index (currently unknown) */
q_size,
msg_size,
- (u8 *) pool_start,
+ pool_start,
NULL, /* peer (currently unknown) */
C2_MQ_HOST_TARGET);
- mq->host_dma = dma_map_single(c2dev->ibdev.dma_device,
- (void *)pool_start,
- q_size * msg_size, DMA_FROM_DEVICE);
pci_unmap_addr_set(mq, mapping, mq->host_dma);
return 0;
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index da98d9f7142..fef97275291 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -757,20 +757,17 @@ static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
int c2_register_device(struct c2_dev *dev)
{
- int ret;
+ int ret = -ENOMEM;
int i;
/* Register pseudo network device */
dev->pseudo_netdev = c2_pseudo_netdev_init(dev);
- if (dev->pseudo_netdev) {
- ret = register_netdev(dev->pseudo_netdev);
- if (ret) {
- printk(KERN_ERR PFX
- "Unable to register netdev, ret = %d\n", ret);
- free_netdev(dev->pseudo_netdev);
- return ret;
- }
- }
+ if (!dev->pseudo_netdev)
+ goto out3;
+
+ ret = register_netdev(dev->pseudo_netdev);
+ if (ret)
+ goto out2;
pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
strlcpy(dev->ibdev.name, "amso%d", IB_DEVICE_NAME_MAX);
@@ -848,21 +845,25 @@ int c2_register_device(struct c2_dev *dev)
ret = ib_register_device(&dev->ibdev);
if (ret)
- return ret;
+ goto out1;
for (i = 0; i < ARRAY_SIZE(c2_class_attributes); ++i) {
ret = class_device_create_file(&dev->ibdev.class_dev,
c2_class_attributes[i]);
- if (ret) {
- unregister_netdev(dev->pseudo_netdev);
- free_netdev(dev->pseudo_netdev);
- ib_unregister_device(&dev->ibdev);
- return ret;
- }
+ if (ret)
+ goto out0;
}
+ goto out3;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
- return 0;
+out0:
+ ib_unregister_device(&dev->ibdev);
+out1:
+ unregister_netdev(dev->pseudo_netdev);
+out2:
+ free_netdev(dev->pseudo_netdev);
+out3:
+ pr_debug("%s:%u ret=%d\n", __FUNCTION__, __LINE__, ret);
+ return ret;
}
void c2_unregister_device(struct c2_dev *dev)
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 5bcf697aa33..179d005ed4a 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -564,6 +564,32 @@ int c2_alloc_qp(struct c2_dev *c2dev,
return err;
}
+static inline void c2_lock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq)
+{
+ if (send_cq == recv_cq)
+ spin_lock_irq(&send_cq->lock);
+ else if (send_cq > recv_cq) {
+ spin_lock_irq(&send_cq->lock);
+ spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING);
+ } else {
+ spin_lock_irq(&recv_cq->lock);
+ spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING);
+ }
+}
+
+static inline void c2_unlock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq)
+{
+ if (send_cq == recv_cq)
+ spin_unlock_irq(&send_cq->lock);
+ else if (send_cq > recv_cq) {
+ spin_unlock(&recv_cq->lock);
+ spin_unlock_irq(&send_cq->lock);
+ } else {
+ spin_unlock(&send_cq->lock);
+ spin_unlock_irq(&recv_cq->lock);
+ }
+}
+
void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp)
{
struct c2_cq *send_cq;
@@ -576,15 +602,9 @@ void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp)
* Lock CQs here, so that CQ polling code can do QP lookup
* without taking a lock.
*/
- spin_lock_irq(&send_cq->lock);
- if (send_cq != recv_cq)
- spin_lock(&recv_cq->lock);
-
+ c2_lock_cqs(send_cq, recv_cq);
c2_free_qpn(c2dev, qp->qpn);
-
- if (send_cq != recv_cq)
- spin_unlock(&recv_cq->lock);
- spin_unlock_irq(&send_cq->lock);
+ c2_unlock_cqs(send_cq, recv_cq);
/*
* Destory qp in the rnic...
diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c
index e37c5688c21..1687c511cb2 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -150,15 +150,15 @@ static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props)
(struct c2wr_rnic_query_rep *) (unsigned long) (vq_req->reply_msg);
if (!reply)
err = -ENOMEM;
-
- err = c2_errno(reply);
+ else
+ err = c2_errno(reply);
if (err)
goto bail2;
props->fw_ver =
((u64)be32_to_cpu(reply->fw_ver_major) << 32) |
- ((be32_to_cpu(reply->fw_ver_minor) && 0xFFFF) << 16) |
- (be32_to_cpu(reply->fw_ver_patch) && 0xFFFF);
+ ((be32_to_cpu(reply->fw_ver_minor) & 0xFFFF) << 16) |
+ (be32_to_cpu(reply->fw_ver_patch) & 0xFFFF);
memcpy(&props->sys_image_guid, c2dev->netdev->dev_addr, 6);
props->max_mr_size = 0xFFFFFFFF;
props->page_size_cap = ~(C2_MIN_PAGESIZE-1);
@@ -441,7 +441,7 @@ static int c2_rnic_close(struct c2_dev *c2dev)
* involves initalizing the various limits and resouce pools that
* comprise the RNIC instance.
*/
-int c2_rnic_init(struct c2_dev *c2dev)
+int __devinit c2_rnic_init(struct c2_dev *c2dev)
{
int err;
u32 qsize, msgsize;
@@ -517,14 +517,12 @@ int c2_rnic_init(struct c2_dev *c2dev)
/* Initialize the Verbs Reply Queue */
qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_QSIZE));
msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_MSGSIZE));
- q1_pages = kmalloc(qsize * msgsize, GFP_KERNEL);
+ q1_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
+ &c2dev->rep_vq.host_dma, GFP_KERNEL);
if (!q1_pages) {
err = -ENOMEM;
goto bail1;
}
- c2dev->rep_vq.host_dma = dma_map_single(c2dev->ibdev.dma_device,
- (void *)q1_pages, qsize * msgsize,
- DMA_FROM_DEVICE);
pci_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma);
pr_debug("%s rep_vq va %p dma %llx\n", __FUNCTION__, q1_pages,
(unsigned long long) c2dev->rep_vq.host_dma);
@@ -540,17 +538,15 @@ int c2_rnic_init(struct c2_dev *c2dev)
/* Initialize the Asynchronus Event Queue */
qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_QSIZE));
msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_MSGSIZE));
- q2_pages = kmalloc(qsize * msgsize, GFP_KERNEL);
+ q2_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
+ &c2dev->aeq.host_dma, GFP_KERNEL);
if (!q2_pages) {
err = -ENOMEM;
goto bail2;
}
- c2dev->aeq.host_dma = dma_map_single(c2dev->ibdev.dma_device,
- (void *)q2_pages, qsize * msgsize,
- DMA_FROM_DEVICE);
pci_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma);
- pr_debug("%s aeq va %p dma %llx\n", __FUNCTION__, q1_pages,
- (unsigned long long) c2dev->rep_vq.host_dma);
+ pr_debug("%s aeq va %p dma %llx\n", __FUNCTION__, q2_pages,
+ (unsigned long long) c2dev->aeq.host_dma);
c2_mq_rep_init(&c2dev->aeq,
2,
qsize,
@@ -597,17 +593,13 @@ int c2_rnic_init(struct c2_dev *c2dev)
bail4:
vq_term(c2dev);
bail3:
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->aeq, mapping),
- c2dev->aeq.q_size * c2dev->aeq.msg_size,
- DMA_FROM_DEVICE);
- kfree(q2_pages);
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->aeq.q_size * c2dev->aeq.msg_size,
+ q2_pages, pci_unmap_addr(&c2dev->aeq, mapping));
bail2:
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->rep_vq, mapping),
- c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
- DMA_FROM_DEVICE);
- kfree(q1_pages);
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
+ q1_pages, pci_unmap_addr(&c2dev->rep_vq, mapping));
bail1:
c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool);
bail0:
@@ -619,7 +611,7 @@ int c2_rnic_init(struct c2_dev *c2dev)
/*
* Called by c2_remove to cleanup the RNIC resources.
*/
-void c2_rnic_term(struct c2_dev *c2dev)
+void __devexit c2_rnic_term(struct c2_dev *c2dev)
{
/* Close the open adapter instance */
@@ -640,19 +632,17 @@ void c2_rnic_term(struct c2_dev *c2dev)
/* Free the verbs request allocator */
vq_term(c2dev);
- /* Unmap and free the asynchronus event queue */
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->aeq, mapping),
- c2dev->aeq.q_size * c2dev->aeq.msg_size,
- DMA_FROM_DEVICE);
- kfree(c2dev->aeq.msg_pool.host);
-
- /* Unmap and free the verbs reply queue */
- dma_unmap_single(c2dev->ibdev.dma_device,
- pci_unmap_addr(&c2dev->rep_vq, mapping),
- c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
- DMA_FROM_DEVICE);
- kfree(c2dev->rep_vq.msg_pool.host);
+ /* Free the asynchronus event queue */
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->aeq.q_size * c2dev->aeq.msg_size,
+ c2dev->aeq.msg_pool.host,
+ pci_unmap_addr(&c2dev->aeq, mapping));
+
+ /* Free the verbs reply queue */
+ dma_free_coherent(&c2dev->pcidev->dev,
+ c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size,
+ c2dev->rep_vq.msg_pool.host,
+ pci_unmap_addr(&c2dev->rep_vq, mapping));
/* Free the MQ shared pointer pool */
c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-08 16:16:18 +0000