diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_addr.h | 114 | ||||
| -rw-r--r-- | include/rdma/ib_cache.h | 13 | ||||
| -rw-r--r-- | include/rdma/ib_cm.h | 26 | ||||
| -rw-r--r-- | include/rdma/ib_marshall.h | 50 | ||||
| -rw-r--r-- | include/rdma/ib_sa.h | 7 | ||||
| -rw-r--r-- | include/rdma/ib_smi.h | 36 | ||||
| -rw-r--r-- | include/rdma/ib_user_cm.h | 86 | ||||
| -rw-r--r-- | include/rdma/ib_user_sa.h | 60 | ||||
| -rw-r--r-- | include/rdma/ib_user_verbs.h | 80 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 22 | ||||
| -rw-r--r-- | include/rdma/rdma_cm.h | 256 | ||||
| -rw-r--r-- | include/rdma/rdma_cm_ib.h | 47 |
12 files changed, 687 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 */ |