Linus, please pull from
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This tree is also available from kernel.org mirrors at:
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
for-linus
This includes various fixes for 2.6.19-rc5:
Erez Zilber (1):
IB/iser: Start connection after enabling iSER
Jack Morgenstein (1):
IB/uverbs: Return sq_draining value in query_qp response
Krishna Kumar (1):
RDMA/cma: rdma_bind_addr() leaks a cma_dev reference count
Michael S. Tsirkin (1):
IB/mthca: Fix MAD extended header format for MAD_IFC firmware command
Paul Mackerras (1):
IB/ehca: Fix eHCA driver compilation for uniprocessor
Sean Hefty (1):
RDMA/addr: Use client registration to fix module unload race
Steve Wise (2):
IB/amso1100: Use dma_alloc_coherent() instead of kmalloc/dma_map_single
IB/amso1100: Fix incorrect pr_debug()
drivers/infiniband/core/addr.c | 28 ++++++++++++++-
drivers/infiniband/core/cma.c | 31 +++++++++++-----
drivers/infiniband/core/uverbs_cmd.c | 2 +-
drivers/infiniband/hw/amso1100/c2_alloc.c | 13 +++----
drivers/infiniband/hw/amso1100/c2_cq.c | 18 +++------
drivers/infiniband/hw/amso1100/c2_rnic.c | 56 ++++++++++++-----------------
drivers/infiniband/hw/ehca/ehca_tools.h | 1 +
drivers/infiniband/hw/mthca/mthca_cmd.c | 14 ++++----
drivers/infiniband/ulp/iser/iscsi_iser.c | 4 +-
include/rdma/ib_addr.h | 20 ++++++++++-
include/rdma/ib_user_verbs.h | 2 +-
11 files changed, 114 insertions(+), 75 deletions(-)
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 60d3fbd..e11187e 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -47,6 +47,7 @@ struct addr_req {
struct sockaddr src_addr;
struct sockaddr dst_addr;
struct rdma_dev_addr *addr;
+ struct rdma_addr_client *client;
void *context;
void (*callback)(int status, struct sockaddr *src_addr,
struct rdma_dev_addr *addr, void *context);
@@ -61,6 +62,26 @@ static LIST_HEAD(req_list);
static DECLARE_WORK(work, process_req, NULL);
static struct workqueue_struct *addr_wq;
+void rdma_addr_register_client(struct rdma_addr_client *client)
+{
+ atomic_set(&client->refcount, 1);
+ init_completion(&client->comp);
+}
+EXPORT_SYMBOL(rdma_addr_register_client);
+
+static inline void put_client(struct rdma_addr_client *client)
+{
+ if (atomic_dec_and_test(&client->refcount))
+ complete(&client->comp);
+}
+
+void rdma_addr_unregister_client(struct rdma_addr_client *client)
+{
+ put_client(client);
+ wait_for_completion(&client->comp);
+}
+EXPORT_SYMBOL(rdma_addr_unregister_client);
+
int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
const unsigned char *dst_dev_addr)
{
@@ -229,6 +250,7 @@ static void process_req(void *data)
list_del(&req->list);
req->callback(req->status, &req->src_addr, req->addr,
req->context);
+ put_client(req->client);
kfree(req);
}
}
@@ -264,7 +286,8 @@ static int addr_resolve_local(struct soc
return ret;
}
-int rdma_resolve_ip(struct sockaddr *src_addr, struct sockaddr *dst_addr,
+int rdma_resolve_ip(struct rdma_addr_client *client,
+ struct sockaddr *src_addr, struct sockaddr *dst_addr,
struct rdma_dev_addr *addr, int timeout_ms,
void (*callback)(int status, struct sockaddr *src_addr,
struct rdma_dev_addr *addr, void *context),
@@ -285,6 +308,8 @@ int rdma_resolve_ip(struct sockaddr *src
req->addr = addr;
req->callback = callback;
req->context = context;
+ req->client = client;
+ atomic_inc(&client->refcount);
src_in = (struct sockaddr_in *) &req->src_addr;
dst_in = (struct sockaddr_in *) &req->dst_addr;
@@ -305,6 +330,7 @@ int rdma_resolve_ip(struct sockaddr *src
break;
default:
ret = req->status;
+ atomic_dec(&client->refcount);
kfree(req);
break;
}
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 9ae4f3a..845090b 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -63,6 +63,7 @@ static struct ib_client cma_client = {
};
static struct ib_sa_client sa_client;
+static struct rdma_addr_client addr_client;
static LIST_HEAD(dev_list);
static LIST_HEAD(listen_any_list);
static DEFINE_MUTEX(lock);
@@ -1625,8 +1626,8 @@ int rdma_resolve_addr(struct rdma_cm_id
if (cma_any_addr(dst_addr))
ret = cma_resolve_loopback(id_priv);
else
- ret = rdma_resolve_ip(&id->route.addr.src_addr, dst_addr,
- &id->route.addr.dev_addr,
+ ret = rdma_resolve_ip(&addr_client, &id->route.addr.src_addr,
+ dst_addr, &id->route.addr.dev_addr,
timeout_ms, addr_handler, id_priv);
if (ret)
goto err;
@@ -1762,22 +1763,29 @@ int rdma_bind_addr(struct rdma_cm_id *id
if (!cma_any_addr(addr)) {
ret = rdma_translate_ip(addr, &id->route.addr.dev_addr);
- if (!ret) {
- mutex_lock(&lock);
- ret = cma_acquire_dev(id_priv);
- mutex_unlock(&lock);
- }
if (ret)
- goto err;
+ goto err1;
+
+ mutex_lock(&lock);
+ ret = cma_acquire_dev(id_priv);
+ mutex_unlock(&lock);
+ if (ret)
+ goto err1;
}
memcpy(&id->route.addr.src_addr, addr, ip_addr_size(addr));
ret = cma_get_port(id_priv);
if (ret)
- goto err;
+ goto err2;
return 0;
-err:
+err2:
+ if (!cma_any_addr(addr)) {
+ mutex_lock(&lock);
+ cma_detach_from_dev(id_priv);
+ mutex_unlock(&lock);
+ }
+err1:
cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_IDLE);
return ret;
}
@@ -2210,6 +2218,7 @@ static int cma_init(void)
return -ENOMEM;
ib_sa_register_client(&sa_client);
+ rdma_addr_register_client(&addr_client);
ret = ib_register_client(&cma_client);
if (ret)
@@ -2217,6 +2226,7 @@ static int cma_init(void)
return 0;
err:
+ rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
destroy_workqueue(cma_wq);
return ret;
@@ -2225,6 +2235,7 @@ err:
static void cma_cleanup(void)
{
ib_unregister_client(&cma_client);
+ rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
destroy_workqueue(cma_wq);
idr_destroy(&sdp_ps);
diff --git a/drivers/infiniband/core/uverbs_cmd.c
b/drivers/infiniband/core/uverbs_cmd.c
index b72c7f6..743247e 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1214,7 +1214,7 @@ ssize_t ib_uverbs_query_qp(struct ib_uve
resp.qp_access_flags = attr->qp_access_flags;
resp.pkey_index = attr->pkey_index;
resp.alt_pkey_index = attr->alt_pkey_index;
- resp.en_sqd_async_notify = attr->en_sqd_async_notify;
+ resp.sq_draining = attr->sq_draining;
resp.max_rd_atomic = attr->max_rd_atomic;
resp.max_dest_rd_atomic = attr->max_dest_rd_atomic;
resp.min_rnr_timer = attr->min_rnr_timer;
diff --git a/drivers/infiniband/hw/amso1100/c2_alloc.c
b/drivers/infiniband/hw/amso1100/c2_alloc.c
index 028a60b..0315f99 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
{
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 *c2
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 9d7bcc5..05c9154 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 i
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
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_rnic.c
b/drivers/infiniband/hw/amso1100/c2_rnic.c
index 30409e1..21d9612 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -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:
@@ -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);
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h
b/drivers/infiniband/hw/ehca/ehca_tools.h
index 809da3e..973c4b5 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -63,6 +63,7 @@ #include <asm/abs_addr.h>
#include <asm/ibmebus.h>
#include <asm/io.h>
#include <asm/pgtable.h>
+#include <asm/hvcall.h>
extern int ehca_debug_level;
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c
b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 99a94d7..768df72 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1820,11 +1820,11 @@ int mthca_MAD_IFC(struct mthca_dev *dev,
#define MAD_IFC_BOX_SIZE 0x400
#define MAD_IFC_MY_QPN_OFFSET 0x100
-#define MAD_IFC_RQPN_OFFSET 0x104
-#define MAD_IFC_SL_OFFSET 0x108
-#define MAD_IFC_G_PATH_OFFSET 0x109
-#define MAD_IFC_RLID_OFFSET 0x10a
-#define MAD_IFC_PKEY_OFFSET 0x10e
+#define MAD_IFC_RQPN_OFFSET 0x108
+#define MAD_IFC_SL_OFFSET 0x10c
+#define MAD_IFC_G_PATH_OFFSET 0x10d
+#define MAD_IFC_RLID_OFFSET 0x10e
+#define MAD_IFC_PKEY_OFFSET 0x112
#define MAD_IFC_GRH_OFFSET 0x140
inmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
@@ -1862,7 +1862,7 @@ #define MAD_IFC_GRH_OFFSET 0x140
val = in_wc->dlid_path_bits |
(in_wc->wc_flags & IB_WC_GRH ? 0x80 : 0);
- MTHCA_PUT(inbox, val, MAD_IFC_GRH_OFFSET);
+ MTHCA_PUT(inbox, val, MAD_IFC_G_PATH_OFFSET);
MTHCA_PUT(inbox, in_wc->slid, MAD_IFC_RLID_OFFSET);
MTHCA_PUT(inbox, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET);
@@ -1870,7 +1870,7 @@ #define MAD_IFC_GRH_OFFSET 0x140
if (in_grh)
memcpy(inbox + MAD_IFC_GRH_OFFSET, in_grh, 40);
- op_modifier |= 0x10;
+ op_modifier |= 0x4;
in_modifier |= in_wc->slid << 16;
}
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c
b/drivers/infiniband/ulp/iser/iscsi_iser.c
index eb6f98d..9b2041e 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -363,11 +363,11 @@ iscsi_iser_conn_start(struct iscsi_cls_c
struct iscsi_conn *conn = cls_conn->dd_data;
int err;
- err = iscsi_conn_start(cls_conn);
+ err = iser_conn_set_full_featured_mode(conn);
if (err)
return err;
- return iser_conn_set_full_featured_mode(conn);
+ return iscsi_conn_start(cls_conn);
}
static struct iscsi_transport iscsi_iser_transport;
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 81b6230..c094e50 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -36,6 +36,22 @@ #include <linux/netdevice.h>
#include <linux/socket.h>
#include <rdma/ib_verbs.h>
+struct rdma_addr_client {
+ atomic_t refcount;
+ struct completion comp;
+};
+
+/**
+ * rdma_addr_register_client - Register an address client.
+ */
+void rdma_addr_register_client(struct rdma_addr_client *client);
+
+/**
+ * rdma_addr_unregister_client - Deregister an address client.
+ * @client: Client object to deregister.
+ */
+void rdma_addr_unregister_client(struct rdma_addr_client *client);
+
struct rdma_dev_addr {
unsigned char src_dev_addr[MAX_ADDR_LEN];
unsigned char dst_dev_addr[MAX_ADDR_LEN];
@@ -52,6 +68,7 @@ int rdma_translate_ip(struct sockaddr *a
/**
* rdma_resolve_ip - Resolve source and destination IP addresses to
* RDMA hardware addresses.
+ * @client: Address client associated with request.
* @src_addr: An optional source address to use in the resolution. If a
* source address is not provided, a usable address will be returned via
* the callback.
@@ -64,7 +81,8 @@ int rdma_translate_ip(struct sockaddr *a
* or been canceled. A status of 0 indicates success.
* @context: User-specified context associated with the call.
*/
-int rdma_resolve_ip(struct sockaddr *src_addr, struct sockaddr *dst_addr,
+int rdma_resolve_ip(struct rdma_addr_client *client,
+ struct sockaddr *src_addr, struct sockaddr *dst_addr,
struct rdma_dev_addr *addr, int timeout_ms,
void (*callback)(int status, struct sockaddr *src_addr,
struct rdma_dev_addr *addr, void *context),
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index db1b814..64a721f 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -458,7 +458,7 @@ struct ib_uverbs_query_qp_resp {
__u8 cur_qp_state;
__u8 path_mtu;
__u8 path_mig_state;
- __u8 en_sqd_async_notify;
+ __u8 sq_draining;
__u8 max_rd_atomic;
__u8 max_dest_rd_atomic;
__u8 min_rnr_timer;
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