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-rw-r--r--include/rdma/Kbuild2
-rw-r--r--include/rdma/ib_addr.h17
-rw-r--r--include/rdma/ib_sa.h45
-rw-r--r--include/rdma/ib_user_verbs.h2
-rw-r--r--include/rdma/ib_verbs.h31
-rw-r--r--include/rdma/iw_cm.h258
-rw-r--r--include/rdma/rdma_cm.h12
7 files changed, 350 insertions, 17 deletions
diff --git a/include/rdma/Kbuild b/include/rdma/Kbuild
index eb710ba9b1a..e7c04321655 100644
--- a/include/rdma/Kbuild
+++ b/include/rdma/Kbuild
@@ -1 +1 @@
-header-y := ib_user_mad.h
+header-y += ib_user_mad.h
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 0ff67398928..81b62307621 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -40,7 +40,7 @@ struct rdma_dev_addr {
unsigned char src_dev_addr[MAX_ADDR_LEN];
unsigned char dst_dev_addr[MAX_ADDR_LEN];
unsigned char broadcast[MAX_ADDR_LEN];
- enum ib_node_type dev_type;
+ enum rdma_node_type dev_type;
};
/**
@@ -72,6 +72,9 @@ int rdma_resolve_ip(struct sockaddr *src_addr, struct sockaddr *dst_addr,
void rdma_addr_cancel(struct rdma_dev_addr *addr);
+int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
+ const unsigned char *dst_dev_addr);
+
static inline int ip_addr_size(struct sockaddr *addr)
{
return addr->sa_family == AF_INET6 ?
@@ -113,4 +116,16 @@ static inline void ib_addr_set_dgid(struct rdma_dev_addr *dev_addr,
memcpy(dev_addr->dst_dev_addr + 4, gid, sizeof *gid);
}
+static inline void iw_addr_get_sgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
+{
+ memcpy(gid, dev_addr->src_dev_addr, sizeof *gid);
+}
+
+static inline void iw_addr_get_dgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
+{
+ memcpy(gid, dev_addr->dst_dev_addr, sizeof *gid);
+}
+
#endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index c99e4420fd7..97715b0c20b 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -1,6 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2006 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -36,8 +37,11 @@
#ifndef IB_SA_H
#define IB_SA_H
+#include <linux/completion.h>
#include <linux/compiler.h>
+#include <asm/atomic.h>
+
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
@@ -79,8 +83,8 @@ enum {
};
enum ib_sa_selector {
- IB_SA_GTE = 0,
- IB_SA_LTE = 1,
+ IB_SA_GT = 0,
+ IB_SA_LT = 1,
IB_SA_EQ = 2,
/*
* The meaning of "best" depends on the attribute: for
@@ -250,11 +254,28 @@ struct ib_sa_service_rec {
u64 data64[2];
};
+struct ib_sa_client {
+ atomic_t users;
+ struct completion comp;
+};
+
+/**
+ * ib_sa_register_client - Register an SA client.
+ */
+void ib_sa_register_client(struct ib_sa_client *client);
+
+/**
+ * ib_sa_unregister_client - Deregister an SA client.
+ * @client: Client object to deregister.
+ */
+void ib_sa_unregister_client(struct ib_sa_client *client);
+
struct ib_sa_query;
void ib_sa_cancel_query(int id, struct ib_sa_query *query);
-int ib_sa_path_rec_get(struct ib_device *device, u8 port_num,
+int ib_sa_path_rec_get(struct ib_sa_client *client,
+ struct ib_device *device, u8 port_num,
struct ib_sa_path_rec *rec,
ib_sa_comp_mask comp_mask,
int timeout_ms, gfp_t gfp_mask,
@@ -264,7 +285,8 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num,
void *context,
struct ib_sa_query **query);
-int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num,
+int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
+ struct ib_device *device, u8 port_num,
u8 method,
struct ib_sa_mcmember_rec *rec,
ib_sa_comp_mask comp_mask,
@@ -275,7 +297,8 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num,
void *context,
struct ib_sa_query **query);
-int ib_sa_service_rec_query(struct ib_device *device, u8 port_num,
+int ib_sa_service_rec_query(struct ib_sa_client *client,
+ struct ib_device *device, u8 port_num,
u8 method,
struct ib_sa_service_rec *rec,
ib_sa_comp_mask comp_mask,
@@ -288,6 +311,7 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num,
/**
* ib_sa_mcmember_rec_set - Start an MCMember set query
+ * @client:SA client
* @device:device to send query on
* @port_num: port number to send query on
* @rec:MCMember Record to send in query
@@ -311,7 +335,8 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num,
* cancel the query.
*/
static inline int
-ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
+ib_sa_mcmember_rec_set(struct ib_sa_client *client,
+ struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
ib_sa_comp_mask comp_mask,
int timeout_ms, gfp_t gfp_mask,
@@ -321,7 +346,7 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
void *context,
struct ib_sa_query **query)
{
- return ib_sa_mcmember_rec_query(device, port_num,
+ return ib_sa_mcmember_rec_query(client, device, port_num,
IB_MGMT_METHOD_SET,
rec, comp_mask,
timeout_ms, gfp_mask, callback,
@@ -330,6 +355,7 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
/**
* ib_sa_mcmember_rec_delete - Start an MCMember delete query
+ * @client:SA client
* @device:device to send query on
* @port_num: port number to send query on
* @rec:MCMember Record to send in query
@@ -353,7 +379,8 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
* cancel the query.
*/
static inline int
-ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num,
+ib_sa_mcmember_rec_delete(struct ib_sa_client *client,
+ struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
ib_sa_comp_mask comp_mask,
int timeout_ms, gfp_t gfp_mask,
@@ -363,7 +390,7 @@ ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num,
void *context,
struct ib_sa_query **query)
{
- return ib_sa_mcmember_rec_query(device, port_num,
+ return ib_sa_mcmember_rec_query(client, device, port_num,
IB_SA_METHOD_DELETE,
rec, comp_mask,
timeout_ms, gfp_mask, callback,
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index 7b5372010f4..db1b814b62c 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -275,6 +275,8 @@ struct ib_uverbs_resize_cq {
struct ib_uverbs_resize_cq_resp {
__u32 cqe;
+ __u32 reserved;
+ __u64 driver_data[0];
};
struct ib_uverbs_poll_cq {
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index ee1f3a35566..8eacc351099 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -56,12 +56,22 @@ union ib_gid {
} global;
};
-enum ib_node_type {
- IB_NODE_CA = 1,
- IB_NODE_SWITCH,
- IB_NODE_ROUTER
+enum rdma_node_type {
+ /* IB values map to NodeInfo:NodeType. */
+ RDMA_NODE_IB_CA = 1,
+ RDMA_NODE_IB_SWITCH,
+ RDMA_NODE_IB_ROUTER,
+ RDMA_NODE_RNIC
};
+enum rdma_transport_type {
+ RDMA_TRANSPORT_IB,
+ RDMA_TRANSPORT_IWARP
+};
+
+enum rdma_transport_type
+rdma_node_get_transport(enum rdma_node_type node_type) __attribute_const__;
+
enum ib_device_cap_flags {
IB_DEVICE_RESIZE_MAX_WR = 1,
IB_DEVICE_BAD_PKEY_CNTR = (1<<1),
@@ -78,6 +88,9 @@ enum ib_device_cap_flags {
IB_DEVICE_RC_RNR_NAK_GEN = (1<<12),
IB_DEVICE_SRQ_RESIZE = (1<<13),
IB_DEVICE_N_NOTIFY_CQ = (1<<14),
+ IB_DEVICE_ZERO_STAG = (1<<15),
+ IB_DEVICE_SEND_W_INV = (1<<16),
+ IB_DEVICE_MEM_WINDOW = (1<<17)
};
enum ib_atomic_cap {
@@ -835,6 +848,8 @@ struct ib_cache {
u8 *lmc_cache;
};
+struct iw_cm_verbs;
+
struct ib_device {
struct device *dma_device;
@@ -851,6 +866,8 @@ struct ib_device {
u32 flags;
+ struct iw_cm_verbs *iwcm;
+
int (*query_device)(struct ib_device *device,
struct ib_device_attr *device_attr);
int (*query_port)(struct ib_device *device,
@@ -888,7 +905,8 @@ struct ib_device {
struct ib_udata *udata);
int (*modify_srq)(struct ib_srq *srq,
struct ib_srq_attr *srq_attr,
- enum ib_srq_attr_mask srq_attr_mask);
+ enum ib_srq_attr_mask srq_attr_mask,
+ struct ib_udata *udata);
int (*query_srq)(struct ib_srq *srq,
struct ib_srq_attr *srq_attr);
int (*destroy_srq)(struct ib_srq *srq);
@@ -900,7 +918,8 @@ struct ib_device {
struct ib_udata *udata);
int (*modify_qp)(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
- int qp_attr_mask);
+ int qp_attr_mask,
+ struct ib_udata *udata);
int (*query_qp)(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask,
diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
new file mode 100644
index 00000000000..aeefa9b740d
--- /dev/null
+++ b/include/rdma/iw_cm.h
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
+ * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef IW_CM_H
+#define IW_CM_H
+
+#include <linux/in.h>
+#include <rdma/ib_cm.h>
+
+struct iw_cm_id;
+
+enum iw_cm_event_type {
+ IW_CM_EVENT_CONNECT_REQUEST = 1, /* connect request received */
+ IW_CM_EVENT_CONNECT_REPLY, /* reply from active connect request */
+ IW_CM_EVENT_ESTABLISHED, /* passive side accept successful */
+ IW_CM_EVENT_DISCONNECT, /* orderly shutdown */
+ IW_CM_EVENT_CLOSE /* close complete */
+};
+
+enum iw_cm_event_status {
+ IW_CM_EVENT_STATUS_OK = 0, /* request successful */
+ IW_CM_EVENT_STATUS_ACCEPTED = 0, /* connect request accepted */
+ IW_CM_EVENT_STATUS_REJECTED, /* connect request rejected */
+ IW_CM_EVENT_STATUS_TIMEOUT, /* the operation timed out */
+ IW_CM_EVENT_STATUS_RESET, /* reset from remote peer */
+ IW_CM_EVENT_STATUS_EINVAL, /* asynchronous failure for bad parm */
+};
+
+struct iw_cm_event {
+ enum iw_cm_event_type event;
+ enum iw_cm_event_status status;
+ struct sockaddr_in local_addr;
+ struct sockaddr_in remote_addr;
+ void *private_data;
+ u8 private_data_len;
+ void* provider_data;
+};
+
+/**
+ * iw_cm_handler - Function to be called by the IW CM when delivering events
+ * to the client.
+ *
+ * @cm_id: The IW CM identifier associated with the event.
+ * @event: Pointer to the event structure.
+ */
+typedef int (*iw_cm_handler)(struct iw_cm_id *cm_id,
+ struct iw_cm_event *event);
+
+/**
+ * iw_event_handler - Function called by the provider when delivering provider
+ * events to the IW CM. Returns either 0 indicating the event was processed
+ * or -errno if the event could not be processed.
+ *
+ * @cm_id: The IW CM identifier associated with the event.
+ * @event: Pointer to the event structure.
+ */
+typedef int (*iw_event_handler)(struct iw_cm_id *cm_id,
+ struct iw_cm_event *event);
+
+struct iw_cm_id {
+ iw_cm_handler cm_handler; /* client callback function */
+ void *context; /* client cb context */
+ struct ib_device *device;
+ struct sockaddr_in local_addr;
+ struct sockaddr_in remote_addr;
+ void *provider_data; /* provider private data */
+ iw_event_handler event_handler; /* cb for provider
+ events */
+ /* Used by provider to add and remove refs on IW cm_id */
+ void (*add_ref)(struct iw_cm_id *);
+ void (*rem_ref)(struct iw_cm_id *);
+};
+
+struct iw_cm_conn_param {
+ const void *private_data;
+ u16 private_data_len;
+ u32 ord;
+ u32 ird;
+ u32 qpn;
+};
+
+struct iw_cm_verbs {
+ void (*add_ref)(struct ib_qp *qp);
+
+ void (*rem_ref)(struct ib_qp *qp);
+
+ struct ib_qp * (*get_qp)(struct ib_device *device,
+ int qpn);
+
+ int (*connect)(struct iw_cm_id *cm_id,
+ struct iw_cm_conn_param *conn_param);
+
+ int (*accept)(struct iw_cm_id *cm_id,
+ struct iw_cm_conn_param *conn_param);
+
+ int (*reject)(struct iw_cm_id *cm_id,
+ const void *pdata, u8 pdata_len);
+
+ int (*create_listen)(struct iw_cm_id *cm_id,
+ int backlog);
+
+ int (*destroy_listen)(struct iw_cm_id *cm_id);
+};
+
+/**
+ * iw_create_cm_id - Create an IW CM identifier.
+ *
+ * @device: The IB device on which to create the IW CM identier.
+ * @event_handler: User callback invoked to report events associated with the
+ * returned IW CM identifier.
+ * @context: User specified context associated with the id.
+ */
+struct iw_cm_id *iw_create_cm_id(struct ib_device *device,
+ iw_cm_handler cm_handler, void *context);
+
+/**
+ * iw_destroy_cm_id - Destroy an IW CM identifier.
+ *
+ * @cm_id: The previously created IW CM identifier to destroy.
+ *
+ * The client can assume that no events will be delivered for the CM ID after
+ * this function returns.
+ */
+void iw_destroy_cm_id(struct iw_cm_id *cm_id);
+
+/**
+ * iw_cm_bind_qp - Unbind the specified IW CM identifier and QP
+ *
+ * @cm_id: The IW CM idenfier to unbind from the QP.
+ * @qp: The QP
+ *
+ * This is called by the provider when destroying the QP to ensure
+ * that any references held by the IWCM are released. It may also
+ * be called by the IWCM when destroying a CM_ID to that any
+ * references held by the provider are released.
+ */
+void iw_cm_unbind_qp(struct iw_cm_id *cm_id, struct ib_qp *qp);
+
+/**
+ * iw_cm_get_qp - Return the ib_qp associated with a QPN
+ *
+ * @ib_device: The IB device
+ * @qpn: The queue pair number
+ */
+struct ib_qp *iw_cm_get_qp(struct ib_device *device, int qpn);
+
+/**
+ * iw_cm_listen - Listen for incoming connection requests on the
+ * specified IW CM id.
+ *
+ * @cm_id: The IW CM identifier.
+ * @backlog: The maximum number of outstanding un-accepted inbound listen
+ * requests to queue.
+ *
+ * The source address and port number are specified in the IW CM identifier
+ * structure.
+ */
+int iw_cm_listen(struct iw_cm_id *cm_id, int backlog);
+
+/**
+ * iw_cm_accept - Called to accept an incoming connect request.
+ *
+ * @cm_id: The IW CM identifier associated with the connection request.
+ * @iw_param: Pointer to a structure containing connection establishment
+ * parameters.
+ *
+ * The specified cm_id will have been provided in the event data for a
+ * CONNECT_REQUEST event. Subsequent events related to this connection will be
+ * delivered to the specified IW CM identifier prior and may occur prior to
+ * the return of this function. If this function returns a non-zero value, the
+ * client can assume that no events will be delivered to the specified IW CM
+ * identifier.
+ */
+int iw_cm_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param);
+
+/**
+ * iw_cm_reject - Reject an incoming connection request.
+ *
+ * @cm_id: Connection identifier associated with the request.
+ * @private_daa: Pointer to data to deliver to the remote peer as part of the
+ * reject message.
+ * @private_data_len: The number of bytes in the private_data parameter.
+ *
+ * The client can assume that no events will be delivered to the specified IW
+ * CM identifier following the return of this function. The private_data
+ * buffer is available for reuse when this function returns.
+ */
+int iw_cm_reject(struct iw_cm_id *cm_id, const void *private_data,
+ u8 private_data_len);
+
+/**
+ * iw_cm_connect - Called to request a connection to a remote peer.
+ *
+ * @cm_id: The IW CM identifier for the connection.
+ * @iw_param: Pointer to a structure containing connection establishment
+ * parameters.
+ *
+ * Events may be delivered to the specified IW CM identifier prior to the
+ * return of this function. If this function returns a non-zero value, the
+ * client can assume that no events will be delivered to the specified IW CM
+ * identifier.
+ */
+int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param);
+
+/**
+ * iw_cm_disconnect - Close the specified connection.
+ *
+ * @cm_id: The IW CM identifier to close.
+ * @abrupt: If 0, the connection will be closed gracefully, otherwise, the
+ * connection will be reset.
+ *
+ * The IW CM identifier is still active until the IW_CM_EVENT_CLOSE event is
+ * delivered.
+ */
+int iw_cm_disconnect(struct iw_cm_id *cm_id, int abrupt);
+
+/**
+ * iw_cm_init_qp_attr - Called to initialize the attributes of the QP
+ * associated with a IW CM identifier.
+ *
+ * @cm_id: The IW CM identifier associated with the QP
+ * @qp_attr: Pointer to the QP attributes structure.
+ * @qp_attr_mask: Pointer to a bit vector specifying which QP attributes are
+ * valid.
+ */
+int iw_cm_init_qp_attr(struct iw_cm_id *cm_id, struct ib_qp_attr *qp_attr,
+ int *qp_attr_mask);
+
+#endif /* IW_CM_H */
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index 402c63d7226..deb5a0a4cee 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -117,6 +117,14 @@ struct rdma_cm_id {
struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
void *context, enum rdma_port_space ps);
+/**
+ * rdma_destroy_id - Destroys an RDMA identifier.
+ *
+ * @id: RDMA identifier.
+ *
+ * Note: calling this function has the effect of canceling in-flight
+ * asynchronous operations associated with the id.
+ */
void rdma_destroy_id(struct rdma_cm_id *id);
/**
@@ -237,6 +245,10 @@ int rdma_listen(struct rdma_cm_id *id, int backlog);
* Typically, this routine is only called by the listener to accept a connection
* request. It must also be called on the active side of a connection if the
* user is performing their own QP transitions.
+ *
+ * In the case of error, a reject message is sent to the remote side and the
+ * state of the qp associated with the id is modified to error, such that any
+ * previously posted receive buffers would be flushed.
*/
int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);