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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:01:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:01:59 -0700
commit4c84a39c8adba6bf2f829b217e78bfd61478191a (patch)
tree0f0f415099cf49d894d65e5120563d30cf1a0fc9 /include
parentd0b952a9837f81cd89e756b1b34293fa6e1cb59d (diff)
parent9ead190bfde2a434c74ea604382d08acb2eceef5 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (46 commits) IB/uverbs: Don't serialize with ib_uverbs_idr_mutex IB/mthca: Make all device methods truly reentrant IB/mthca: Fix memory leak on modify_qp error paths IB/uverbs: Factor out common idr code IB/uverbs: Don't decrement usecnt on error paths IB/uverbs: Release lock on error path IB/cm: Use address handle helpers IB/sa: Add ib_init_ah_from_path() IB: Add ib_init_ah_from_wc() IB/ucm: Get rid of duplicate P_Key parameter IB/srp: Factor out common request reset code IB/srp: Support SRP rev. 10 targets [SCSI] srp.h: Add I/O Class values IB/fmr: Use device's max_map_map_per_fmr attribute in FMR pool. IB/mthca: Fill in max_map_per_fmr device attribute IB/ipath: Add client reregister event generation IB/mthca: Add client reregister event generation IB: Move struct port_info from ipath to <rdma/ib_smi.h> IPoIB: Handle client reregister events IB: Add client reregister event type ...
Diffstat (limited to 'include')
-rw-r--r--include/rdma/ib_addr.h114
-rw-r--r--include/rdma/ib_cache.h13
-rw-r--r--include/rdma/ib_cm.h26
-rw-r--r--include/rdma/ib_marshall.h50
-rw-r--r--include/rdma/ib_sa.h7
-rw-r--r--include/rdma/ib_smi.h36
-rw-r--r--include/rdma/ib_user_cm.h86
-rw-r--r--include/rdma/ib_user_sa.h60
-rw-r--r--include/rdma/ib_user_verbs.h80
-rw-r--r--include/rdma/ib_verbs.h22
-rw-r--r--include/rdma/rdma_cm.h256
-rw-r--r--include/rdma/rdma_cm_ib.h47
-rw-r--r--include/scsi/srp.h5
13 files changed, 692 insertions, 110 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
new file mode 100644
index 000000000000..fcb5ba87dcc5
--- /dev/null
+++ b/include/rdma/ib_addr.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2005 Voltaire Inc. All rights reserved.
+ * Copyright (c) 2005 Intel Corporation. All rights reserved.
+ *
+ * This Software is licensed under one of the following licenses:
+ *
+ * 1) under the terms of the "Common Public License 1.0" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/cpl.php.
+ *
+ * 2) under the terms of the "The BSD License" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/bsd-license.php.
+ *
+ * 3) under the terms of the "GNU General Public License (GPL) Version 2" a
+ * copy of which is available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/gpl-license.php.
+ *
+ * Licensee has the right to choose one of the above licenses.
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice and one of the license notices.
+ *
+ * Redistributions in binary form must reproduce both the above copyright
+ * notice, one of the license notices in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ */
+
+#if !defined(IB_ADDR_H)
+#define IB_ADDR_H
+
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/netdevice.h>
+#include <linux/socket.h>
+#include <rdma/ib_verbs.h>
+
+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;
+};
+
+/**
+ * rdma_translate_ip - Translate a local IP address to an RDMA hardware
+ * address.
+ */
+int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr);
+
+/**
+ * rdma_resolve_ip - Resolve source and destination IP addresses to
+ * RDMA hardware addresses.
+ * @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.
+ * @dst_addr: The destination address to resolve.
+ * @addr: A reference to a data location that will receive the resolved
+ * addresses. The data location must remain valid until the callback has
+ * been invoked.
+ * @timeout_ms: Amount of time to wait for the address resolution to complete.
+ * @callback: Call invoked once address resolution has completed, timed out,
+ * 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,
+ struct rdma_dev_addr *addr, int timeout_ms,
+ void (*callback)(int status, struct sockaddr *src_addr,
+ struct rdma_dev_addr *addr, void *context),
+ void *context);
+
+void rdma_addr_cancel(struct rdma_dev_addr *addr);
+
+static inline int ip_addr_size(struct sockaddr *addr)
+{
+ return addr->sa_family == AF_INET6 ?
+ sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in);
+}
+
+static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr)
+{
+ return ((u16)dev_addr->broadcast[8] << 8) | (u16)dev_addr->broadcast[9];
+}
+
+static inline void ib_addr_set_pkey(struct rdma_dev_addr *dev_addr, u16 pkey)
+{
+ dev_addr->broadcast[8] = pkey >> 8;
+ dev_addr->broadcast[9] = (unsigned char) pkey;
+}
+
+static inline union ib_gid *ib_addr_get_sgid(struct rdma_dev_addr *dev_addr)
+{
+ return (union ib_gid *) (dev_addr->src_dev_addr + 4);
+}
+
+static inline void ib_addr_set_sgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
+{
+ memcpy(dev_addr->src_dev_addr + 4, gid, sizeof *gid);
+}
+
+static inline union ib_gid *ib_addr_get_dgid(struct rdma_dev_addr *dev_addr)
+{
+ return (union ib_gid *) (dev_addr->dst_dev_addr + 4);
+}
+
+static inline void ib_addr_set_dgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
+{
+ memcpy(dev_addr->dst_dev_addr + 4, gid, sizeof *gid);
+}
+
+#endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h
index 5bf9834f7dca..f179d233ffc3 100644
--- a/include/rdma/ib_cache.h
+++ b/include/rdma/ib_cache.h
@@ -102,4 +102,17 @@ int ib_find_cached_pkey(struct ib_device *device,
u16 pkey,
u16 *index);
+/**
+ * ib_get_cached_lmc - Returns a cached lmc table entry
+ * @device: The device to query.
+ * @port_num: The port number of the device to query.
+ * @lmc: The lmc value for the specified port for that device.
+ *
+ * ib_get_cached_lmc() fetches the specified lmc table entry stored in
+ * the local software cache.
+ */
+int ib_get_cached_lmc(struct ib_device *device,
+ u8 port_num,
+ u8 *lmc);
+
#endif /* _IB_CACHE_H */
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 0a9fcd59eb43..c9b4738be9d6 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -32,7 +32,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: ib_cm.h 2730 2005-06-28 16:43:03Z sean.hefty $
+ * $Id: ib_cm.h 4311 2005-12-05 18:42:01Z sean.hefty $
*/
#if !defined(IB_CM_H)
#define IB_CM_H
@@ -102,7 +102,8 @@ enum ib_cm_data_size {
IB_CM_APR_INFO_LENGTH = 72,
IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
- IB_CM_SIDR_REP_INFO_LENGTH = 72
+ IB_CM_SIDR_REP_INFO_LENGTH = 72,
+ IB_CM_COMPARE_SIZE = 64
};
struct ib_cm_id;
@@ -238,7 +239,6 @@ struct ib_cm_sidr_rep_event_param {
u32 qpn;
void *info;
u8 info_len;
-
};
struct ib_cm_event {
@@ -317,6 +317,15 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
#define IB_SERVICE_ID_AGN_MASK __constant_cpu_to_be64(0xFF00000000000000ULL)
#define IB_CM_ASSIGN_SERVICE_ID __constant_cpu_to_be64(0x0200000000000000ULL)
+#define IB_CMA_SERVICE_ID __constant_cpu_to_be64(0x0000000001000000ULL)
+#define IB_CMA_SERVICE_ID_MASK __constant_cpu_to_be64(0xFFFFFFFFFF000000ULL)
+#define IB_SDP_SERVICE_ID __constant_cpu_to_be64(0x0000000000010000ULL)
+#define IB_SDP_SERVICE_ID_MASK __constant_cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
+
+struct ib_cm_compare_data {
+ u8 data[IB_CM_COMPARE_SIZE];
+ u8 mask[IB_CM_COMPARE_SIZE];
+};
/**
* ib_cm_listen - Initiates listening on the specified service ID for
@@ -330,10 +339,12 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
* range of service IDs. If set to 0, the service ID is matched
* exactly. This parameter is ignored if %service_id is set to
* IB_CM_ASSIGN_SERVICE_ID.
+ * @compare_data: This parameter is optional. It specifies data that must
+ * appear in the private data of a connection request for the specified
+ * listen request.
*/
-int ib_cm_listen(struct ib_cm_id *cm_id,
- __be64 service_id,
- __be64 service_mask);
+int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask,
+ struct ib_cm_compare_data *compare_data);
struct ib_cm_req_param {
struct ib_sa_path_rec *primary_path;
@@ -535,7 +546,6 @@ struct ib_cm_sidr_req_param {
const void *private_data;
u8 private_data_len;
u8 max_cm_retries;
- u16 pkey;
};
/**
@@ -559,7 +569,7 @@ struct ib_cm_sidr_rep_param {
};
/**
- * ib_send_cm_sidr_rep - Sends a service ID resolution request to the
+ * ib_send_cm_sidr_rep - Sends a service ID resolution reply to the
* remote node.
* @cm_id: Communication identifier associated with the received service ID
* resolution request.
diff --git a/include/rdma/ib_marshall.h b/include/rdma/ib_marshall.h
new file mode 100644
index 000000000000..66bf4d7d0dfb
--- /dev/null
+++ b/include/rdma/ib_marshall.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2005 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
+ * 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.
+ */
+
+#if !defined(IB_USER_MARSHALL_H)
+#define IB_USER_MARSHALL_H
+
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_sa.h>
+#include <rdma/ib_user_verbs.h>
+#include <rdma/ib_user_sa.h>
+
+void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
+ struct ib_qp_attr *src);
+
+void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
+ struct ib_sa_path_rec *src);
+
+void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
+ struct ib_user_path_rec *src);
+
+#endif /* IB_USER_MARSHALL_H */
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index ad63c215efe5..c99e4420fd7e 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -370,5 +370,12 @@ ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num,
context, query);
}
+/**
+ * ib_init_ah_from_path - Initialize address handle attributes based on an SA
+ * path record.
+ */
+int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
+ struct ib_sa_path_rec *rec,
+ struct ib_ah_attr *ah_attr);
#endif /* IB_SA_H */
diff --git a/include/rdma/ib_smi.h b/include/rdma/ib_smi.h
index 87f60737f695..f29af135ba83 100644
--- a/include/rdma/ib_smi.h
+++ b/include/rdma/ib_smi.h
@@ -85,6 +85,42 @@ struct ib_smp {
#define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031)
#define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00)
+struct ib_port_info {
+ __be64 mkey;
+ __be64 gid_prefix;
+ __be16 lid;
+ __be16 sm_lid;
+ __be32 cap_mask;
+ __be16 diag_code;
+ __be16 mkey_lease_period;
+ u8 local_port_num;
+ u8 link_width_enabled;
+ u8 link_width_supported;
+ u8 link_width_active;
+ u8 linkspeed_portstate; /* 4 bits, 4 bits */
+ u8 portphysstate_linkdown; /* 4 bits, 4 bits */
+ u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
+ u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
+ u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
+ u8 vlcap_inittype; /* 4 bits, 4 bits */
+ u8 vl_high_limit;
+ u8 vl_arb_high_cap;
+ u8 vl_arb_low_cap;
+ u8 inittypereply_mtucap; /* 4 bits, 4 bits */
+ u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
+ u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
+ __be16 mkey_violations;
+ __be16 pkey_violations;
+ __be16 qkey_violations;
+ u8 guid_cap;
+ u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
+ u8 resv_resptimevalue; /* 3 bits, 5 bits */
+ u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
+ __be16 max_credit_hint;
+ u8 resv;
+ u8 link_roundtrip_latency[3];
+};
+
static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
diff --git a/include/rdma/ib_user_cm.h b/include/rdma/ib_user_cm.h
index 19be116047f6..066c20b7cdfb 100644
--- a/include/rdma/ib_user_cm.h
+++ b/include/rdma/ib_user_cm.h
@@ -30,13 +30,13 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: ib_user_cm.h 2576 2005-06-09 17:00:30Z libor $
+ * $Id: ib_user_cm.h 4019 2005-11-11 00:33:09Z sean.hefty $
*/
#ifndef IB_USER_CM_H
#define IB_USER_CM_H
-#include <linux/types.h>
+#include <rdma/ib_user_sa.h>
#define IB_USER_CM_ABI_VERSION 4
@@ -110,58 +110,6 @@ struct ib_ucm_init_qp_attr {
__u32 qp_state;
};
-struct ib_ucm_ah_attr {
- __u8 grh_dgid[16];
- __u32 grh_flow_label;
- __u16 dlid;
- __u16 reserved;
- __u8 grh_sgid_index;
- __u8 grh_hop_limit;
- __u8 grh_traffic_class;
- __u8 sl;
- __u8 src_path_bits;
- __u8 static_rate;
- __u8 is_global;
- __u8 port_num;
-};
-
-struct ib_ucm_init_qp_attr_resp {
- __u32 qp_attr_mask;
- __u32 qp_state;
- __u32 cur_qp_state;
- __u32 path_mtu;
- __u32 path_mig_state;
- __u32 qkey;
- __u32 rq_psn;
- __u32 sq_psn;
- __u32 dest_qp_num;
- __u32 qp_access_flags;
-
- struct ib_ucm_ah_attr ah_attr;
- struct ib_ucm_ah_attr alt_ah_attr;
-
- /* ib_qp_cap */
- __u32 max_send_wr;
- __u32 max_recv_wr;
- __u32 max_send_sge;
- __u32 max_recv_sge;
- __u32 max_inline_data;
-
- __u16 pkey_index;
- __u16 alt_pkey_index;
- __u8 en_sqd_async_notify;
- __u8 sq_draining;
- __u8 max_rd_atomic;
- __u8 max_dest_rd_atomic;
- __u8 min_rnr_timer;
- __u8 port_num;
- __u8 timeout;
- __u8 retry_cnt;
- __u8 rnr_retry;
- __u8 alt_port_num;
- __u8 alt_timeout;
-};
-
struct ib_ucm_listen {
__be64 service_id;
__be64 service_mask;
@@ -180,28 +128,6 @@ struct ib_ucm_private_data {
__u8 reserved[3];
};
-struct ib_ucm_path_rec {
- __u8 dgid[16];
- __u8 sgid[16];
- __be16 dlid;
- __be16 slid;
- __u32 raw_traffic;
- __be32 flow_label;
- __u32 reversible;
- __u32 mtu;
- __be16 pkey;
- __u8 hop_limit;
- __u8 traffic_class;
- __u8 numb_path;
- __u8 sl;
- __u8 mtu_selector;
- __u8 rate_selector;
- __u8 rate;
- __u8 packet_life_time_selector;
- __u8 packet_life_time;
- __u8 preference;
-};
-
struct ib_ucm_req {
__u32 id;
__u32 qpn;
@@ -274,7 +200,7 @@ struct ib_ucm_sidr_req {
__be64 sid;
__u64 data;
__u64 path;
- __u16 pkey;
+ __u16 reserved_pkey;
__u8 len;
__u8 max_cm_retries;
__u8 reserved[4];
@@ -304,8 +230,8 @@ struct ib_ucm_event_get {
};
struct ib_ucm_req_event_resp {
- struct ib_ucm_path_rec primary_path;
- struct ib_ucm_path_rec alternate_path;
+ struct ib_user_path_rec primary_path;
+ struct ib_user_path_rec alternate_path;
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
@@ -349,7 +275,7 @@ struct ib_ucm_mra_event_resp {
};
struct ib_ucm_lap_event_resp {
- struct ib_ucm_path_rec path;
+ struct ib_user_path_rec path;
};
struct ib_ucm_apr_event_resp {
diff --git a/include/rdma/ib_user_sa.h b/include/rdma/ib_user_sa.h
new file mode 100644
index 000000000000..659120157e14
--- /dev/null
+++ b/include/rdma/ib_user_sa.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2005 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
+ * 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 IB_USER_SA_H
+#define IB_USER_SA_H
+
+#include <linux/types.h>
+
+struct ib_user_path_rec {
+ __u8 dgid[16];
+ __u8 sgid[16];
+ __be16 dlid;
+ __be16 slid;
+ __u32 raw_traffic;
+ __be32 flow_label;
+ __u32 reversible;
+ __u32 mtu;
+ __be16 pkey;
+ __u8 hop_limit;
+ __u8 traffic_class;
+ __u8 numb_path;
+ __u8 sl;
+ __u8 mtu_selector;
+ __u8 rate_selector;
+ __u8 rate;
+ __u8 packet_life_time_selector;
+ __u8 packet_life_time;
+ __u8 preference;
+};
+
+#endif /* IB_USER_SA_H */
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index 338ed4333063..7b5372010f4b 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -32,7 +32,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
- * $Id: ib_user_verbs.h 2708 2005-06-24 17:27:21Z roland $
+ * $Id: ib_user_verbs.h 4019 2005-11-11 00:33:09Z sean.hefty $
*/
#ifndef IB_USER_VERBS_H
@@ -323,6 +323,64 @@ struct ib_uverbs_destroy_cq_resp {
__u32 async_events_reported;
};
+struct ib_uverbs_global_route {
+ __u8 dgid[16];
+ __u32 flow_label;
+ __u8 sgid_index;
+ __u8 hop_limit;
+ __u8 traffic_class;
+ __u8 reserved;
+};
+
+struct ib_uverbs_ah_attr {
+ struct ib_uverbs_global_route grh;
+ __u16 dlid;
+ __u8 sl;
+ __u8 src_path_bits;
+ __u8 static_rate;
+ __u8 is_global;
+ __u8 port_num;
+ __u8 reserved;
+};
+
+struct ib_uverbs_qp_attr {
+ __u32 qp_attr_mask;
+ __u32 qp_state;
+ __u32 cur_qp_state;
+ __u32 path_mtu;
+ __u32 path_mig_state;
+ __u32 qkey;
+ __u32 rq_psn;
+ __u32 sq_psn;
+ __u32 dest_qp_num;
+ __u32 qp_access_flags;
+
+ struct ib_uverbs_ah_attr ah_attr;
+ struct ib_uverbs_ah_attr alt_ah_attr;
+
+ /* ib_qp_cap */
+ __u32 max_send_wr;
+ __u32 max_recv_wr;
+ __u32 max_send_sge;
+ __u32 max_recv_sge;
+ __u32 max_inline_data;
+
+ __u16 pkey_index;
+ __u16 alt_pkey_index;
+ __u8 en_sqd_async_notify;
+ __u8 sq_draining;
+ __u8 max_rd_atomic;
+ __u8 max_dest_rd_atomic;
+ __u8 min_rnr_timer;
+ __u8 port_num;
+ __u8 timeout;
+ __u8 retry_cnt;
+ __u8 rnr_retry;
+ __u8 alt_port_num;
+ __u8 alt_timeout;
+ __u8 reserved[5];
+};
+
struct ib_uverbs_create_qp {
__u64 response;
__u64 user_handle;
@@ -541,26 +599,6 @@ struct ib_uverbs_post_srq_recv_resp {
__u32 bad_wr;
};
-struct ib_uverbs_global_route {
- __u8 dgid[16];
- __u32 flow_label;
- __u8 sgid_index;
- __u8 hop_limit;
- __u8 traffic_class;
- __u8 reserved;
-};
-
-struct ib_uverbs_ah_attr {
- struct ib_uverbs_global_route grh;
- __u16 dlid;
- __u8 sl;
- __u8 src_path_bits;
- __u8 static_rate;
- __u8 is_global;
- __u8 port_num;
- __u8 reserved;
-};
-
struct ib_uverbs_create_ah {
__u64 response;
__u64 user_handle;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 6bbf1b364400..ee1f3a355666 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -260,7 +260,8 @@ enum ib_event_type {
IB_EVENT_SM_CHANGE,
IB_EVENT_SRQ_ERR,
IB_EVENT_SRQ_LIMIT_REACHED,
- IB_EVENT_QP_LAST_WQE_REACHED
+ IB_EVENT_QP_LAST_WQE_REACHED,
+ IB_EVENT_CLIENT_REREGISTER
};
struct ib_event {
@@ -696,8 +697,12 @@ struct ib_ucontext {
struct ib_uobject {
u64 user_handle; /* handle given to us by userspace */
struct ib_ucontext *context; /* associated user context */
+ void *object; /* containing object */
struct list_head list; /* link to context's list */
u32 id; /* index into kernel idr */
+ struct kref ref;
+ struct rw_semaphore mutex; /* protects .live */
+ int live;
};
struct ib_umem {
@@ -827,6 +832,7 @@ struct ib_cache {
struct ib_event_handler event_handler;
struct ib_pkey_cache **pkey_cache;
struct ib_gid_cache **gid_cache;
+ u8 *lmc_cache;
};
struct ib_device {
@@ -1086,6 +1092,20 @@ int ib_dealloc_pd(struct ib_pd *pd);
struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
/**
+ * ib_init_ah_from_wc - Initializes address handle attributes from a
+ * work completion.
+ * @device: Device on which the received message arrived.
+ * @port_num: Port on which the received message arrived.
+ * @wc: Work completion associated with the received message.
+ * @grh: References the received global route header. This parameter is
+ * ignored unless the work completion indicates that the GRH is valid.
+ * @ah_attr: Returned attributes that can be used when creating an address
+ * handle for replying to the message.
+ */
+int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc,
+ struct ib_grh *grh, struct ib_ah_attr *ah_attr);
+
+/**
* ib_create_ah_from_wc - Creates an address handle associated with the
* sender of the specified work completion.
* @pd: The protection domain associated with the address handle.
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
new file mode 100644
index 000000000000..402c63d7226b
--- /dev/null
+++ b/include/rdma/rdma_cm.h
@@ -0,0 +1,256 @@
+/*
+ * Copyright (c) 2005 Voltaire Inc. All rights reserved.
+ * Copyright (c) 2005 Intel Corporation. All rights reserved.
+ *
+ * This Software is licensed under one of the following licenses:
+ *
+ * 1) under the terms of the "Common Public License 1.0" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/cpl.php.
+ *
+ * 2) under the terms of the "The BSD License" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/bsd-license.php.
+ *
+ * 3) under the terms of the "GNU General Public License (GPL) Version 2" a
+ * copy of which is available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/gpl-license.php.
+ *
+ * Licensee has the right to choose one of the above licenses.
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice and one of the license notices.
+ *
+ * Redistributions in binary form must reproduce both the above copyright
+ * notice, one of the license notices in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ */
+
+#if !defined(RDMA_CM_H)
+#define RDMA_CM_H
+
+#include <linux/socket.h>
+#include <linux/in6.h>
+#include <rdma/ib_addr.h>
+#include <rdma/ib_sa.h>
+
+/*
+ * Upon receiving a device removal event, users must destroy the associated
+ * RDMA identifier and release all resources allocated with the device.
+ */
+enum rdma_cm_event_type {
+ RDMA_CM_EVENT_ADDR_RESOLVED,
+ RDMA_CM_EVENT_ADDR_ERROR,
+ RDMA_CM_EVENT_ROUTE_RESOLVED,
+ RDMA_CM_EVENT_ROUTE_ERROR,
+ RDMA_CM_EVENT_CONNECT_REQUEST,
+ RDMA_CM_EVENT_CONNECT_RESPONSE,
+ RDMA_CM_EVENT_CONNECT_ERROR,
+ RDMA_CM_EVENT_UNREACHABLE,
+ RDMA_CM_EVENT_REJECTED,
+ RDMA_CM_EVENT_ESTABLISHED,
+ RDMA_CM_EVENT_DISCONNECTED,
+ RDMA_CM_EVENT_DEVICE_REMOVAL,
+};
+
+enum rdma_port_space {
+ RDMA_PS_SDP = 0x0001,
+ RDMA_PS_TCP = 0x0106,
+ RDMA_PS_UDP = 0x0111,
+ RDMA_PS_SCTP = 0x0183
+};
+
+struct rdma_addr {
+ struct sockaddr src_addr;
+ u8 src_pad[sizeof(struct sockaddr_in6) -
+ sizeof(struct sockaddr)];
+ struct sockaddr dst_addr;
+ u8 dst_pad[sizeof(struct sockaddr_in6) -
+ sizeof(struct sockaddr)];
+ struct rdma_dev_addr dev_addr;
+};
+
+struct rdma_route {
+ struct rdma_addr addr;
+ struct ib_sa_path_rec *path_rec;
+ int num_paths;
+};
+
+struct rdma_cm_event {
+ enum rdma_cm_event_type event;
+ int status;
+ void *private_data;
+ u8 private_data_len;
+};
+
+struct rdma_cm_id;
+
+/**
+ * rdma_cm_event_handler - Callback used to report user events.
+ *
+ * Notes: Users may not call rdma_destroy_id from this callback to destroy
+ * the passed in id, or a corresponding listen id. Returning a
+ * non-zero value from the callback will destroy the passed in id.
+ */
+typedef int (*rdma_cm_event_handler)(struct rdma_cm_id *id,
+ struct rdma_cm_event *event);
+
+struct rdma_cm_id {
+ struct ib_device *device;
+ void *context;
+ struct ib_qp *qp;
+ rdma_cm_event_handler event_handler;
+ struct rdma_route route;
+ enum rdma_port_space ps;
+ u8 port_num;
+};
+
+/**
+ * rdma_create_id - Create an RDMA identifier.
+ *
+ * @event_handler: User callback invoked to report events associated with the
+ * returned rdma_id.
+ * @context: User specified context associated with the id.
+ * @ps: RDMA port space.
+ */
+struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
+ void *context, enum rdma_port_space ps);
+
+void rdma_destroy_id(struct rdma_cm_id *id);
+
+/**
+ * rdma_bind_addr - Bind an RDMA identifier to a source address and
+ * associated RDMA device, if needed.
+ *
+ * @id: RDMA identifier.
+ * @addr: Local address information. Wildcard values are permitted.
+ *
+ * This associates a source address with the RDMA identifier before calling
+ * rdma_listen. If a specific local address is given, the RDMA identifier will
+ * be bound to a local RDMA device.
+ */
+int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr);
+
+/**
+ * rdma_resolve_addr - Resolve destination and optional source addresses
+ * from IP addresses to an RDMA address. If successful, the specified
+ * rdma_cm_id will be bound to a local device.
+ *
+ * @id: RDMA identifier.
+ * @src_addr: Source address information. This parameter may be NULL.
+ * @dst_addr: Destination address information.
+ * @timeout_ms: Time to wait for resolution to complete.
+ */
+int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr,
+ struct sockaddr *dst_addr, int timeout_ms);
+
+/**
+ * rdma_resolve_route - Resolve the RDMA address bound to the RDMA identifier
+ * into route information needed to establish a connection.
+ *
+ * This is called on the client side of a connection.
+ * Users must have first called rdma_resolve_addr to resolve a dst_addr
+ * into an RDMA address before calling this routine.
+ */
+int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms);
+
+/**
+ * rdma_create_qp - Allocate a QP and associate it with the specified RDMA
+ * identifier.
+ *
+ * QPs allocated to an rdma_cm_id will automatically be transitioned by the CMA
+ * through their states.
+ */
+int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd,
+ struct ib_qp_init_attr *qp_init_attr);
+
+/**
+ * rdma_destroy_qp - Deallocate the QP associated with the specified RDMA
+ * identifier.
+ *
+ * Users must destroy any QP associated with an RDMA identifier before
+ * destroying the RDMA ID.
+ */
+void rdma_destroy_qp(struct rdma_cm_id *id);
+
+/**
+ * rdma_init_qp_attr - Initializes the QP attributes for use in transitioning
+ * to a specified QP state.
+ * @id: Communication identifier associated with the QP attributes to
+ * initialize.
+ * @qp_attr: On input, specifies the desired QP state. On output, the
+ * mandatory and desired optional attributes will be set in order to
+ * modify the QP to the specified state.
+ * @qp_attr_mask: The QP attribute mask that may be used to transition the
+ * QP to the specified state.
+ *
+ * Users must set the @qp_attr->qp_state to the desired QP state. This call
+ * will set all required attributes for the given transition, along with
+ * known optional attributes. Users may override the attributes returned from
+ * this call before calling ib_modify_qp.
+ *
+ * Users that wish to have their QP automatically transitioned through its
+ * states can associate a QP with the rdma_cm_id by calling rdma_create_qp().
+ */
+int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
+ int *qp_attr_mask);
+
+struct rdma_conn_param {
+ const void *private_data;
+ u8 private_data_len;
+ u8 responder_resources;
+ u8 initiator_depth;
+ u8 flow_control;
+ u8 retry_count; /* ignored when accepting */
+ u8 rnr_retry_count;
+ /* Fields below ignored if a QP is created on the rdma_cm_id. */
+ u8 srq;
+ u32 qp_num;
+ enum ib_qp_type qp_type;
+};
+
+/**
+ * rdma_connect - Initiate an active connection request.
+ *
+ * Users must have resolved a route for the rdma_cm_id to connect with
+ * by having called rdma_resolve_route before calling this routine.
+ */
+int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);
+
+/**
+ * rdma_listen - This function is called by the passive side to
+ * listen for incoming connection requests.
+ *
+ * Users must have bound the rdma_cm_id to a local address by calling
+ * rdma_bind_addr before calling this routine.
+ */
+int rdma_listen(struct rdma_cm_id *id, int backlog);
+
+/**
+ * rdma_accept - Called to accept a connection request or response.
+ * @id: Connection identifier associated with the request.
+ * @conn_param: Information needed to establish the connection. This must be
+ * provided if accepting a connection request. If accepting a connection
+ * response, this parameter must be NULL.
+ *
+ * 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.
+ */
+int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);
+
+/**
+ * rdma_reject - Called to reject a connection request or response.
+ */
+int rdma_reject(struct rdma_cm_id *id, const void *private_data,
+ u8 private_data_len);
+
+/**
+ * rdma_disconnect - This function disconnects the associated QP and
+ * transitions it into the error state.
+ */
+int rdma_disconnect(struct rdma_cm_id *id);
+
+#endif /* RDMA_CM_H */
+
diff --git a/include/rdma/rdma_cm_ib.h b/include/rdma/rdma_cm_ib.h
new file mode 100644
index 000000000000..e8c3af1804d4
--- /dev/null
+++ b/include/rdma/rdma_cm_ib.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2006 Intel Corporation. All rights reserved.
+ *
+ * This Software is licensed under one of the following licenses:
+ *
+ * 1) under the terms of the "Common Public License 1.0" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/cpl.php.
+ *
+ * 2) under the terms of the "The BSD License" a copy of which is
+ * available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/bsd-license.php.
+ *
+ * 3) under the terms of the "GNU General Public License (GPL) Version 2" a
+ * copy of which is available from the Open Source Initiative, see
+ * http://www.opensource.org/licenses/gpl-license.php.
+ *
+ * Licensee has the right to choose one of the above licenses.
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice and one of the license notices.
+ *
+ * Redistributions in binary form must reproduce both the above copyright
+ * notice, one of the license notices in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ */
+
+#if !defined(RDMA_CM_IB_H)
+#define RDMA_CM_IB_H
+
+#include <rdma/rdma_cm.h>
+
+/**
+ * rdma_set_ib_paths - Manually sets the path records used to establish a
+ * connection.
+ * @id: Connection identifier associated with the request.
+ * @path_rec: Reference to the path record
+ *
+ * This call permits a user to specify routing information for rdma_cm_id's
+ * bound to Infiniband devices. It is called on the client side of a
+ * connection and replaces the call to rdma_resolve_route.
+ */
+int rdma_set_ib_paths(struct rdma_cm_id *id,
+ struct ib_sa_path_rec *path_rec, int num_paths);
+
+#endif /* RDMA_CM_IB_H */
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index 637f77eccf0c..ad178fa78f66 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -87,6 +87,11 @@ enum srp_login_rej_reason {
SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED = 0x00010006
};
+enum {
+ SRP_REV10_IB_IO_CLASS = 0xff00,
+ SRP_REV16A_IB_IO_CLASS = 0x0100
+};
+
struct srp_direct_buf {
__be64 va;
__be32 key;