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/*
* 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
* 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_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>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
IB_SA_METHOD_GET_TABLE = 0x12,
IB_SA_METHOD_GET_TABLE_RESP = 0x92,
IB_SA_METHOD_DELETE = 0x15,
IB_SA_METHOD_DELETE_RESP = 0x95,
IB_SA_METHOD_GET_MULTI = 0x14,
IB_SA_METHOD_GET_MULTI_RESP = 0x94,
IB_SA_METHOD_GET_TRACE_TBL = 0x13
};
enum {
IB_SA_ATTR_CLASS_PORTINFO = 0x01,
IB_SA_ATTR_NOTICE = 0x02,
IB_SA_ATTR_INFORM_INFO = 0x03,
IB_SA_ATTR_NODE_REC = 0x11,
IB_SA_ATTR_PORT_INFO_REC = 0x12,
IB_SA_ATTR_SL2VL_REC = 0x13,
IB_SA_ATTR_SWITCH_REC = 0x14,
IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
IB_SA_ATTR_MCAST_FDB_REC = 0x17,
IB_SA_ATTR_SM_INFO_REC = 0x18,
IB_SA_ATTR_LINK_REC = 0x20,
IB_SA_ATTR_GUID_INFO_REC = 0x30,
IB_SA_ATTR_SERVICE_REC = 0x31,
IB_SA_ATTR_PARTITION_REC = 0x33,
IB_SA_ATTR_PATH_REC = 0x35,
IB_SA_ATTR_VL_ARB_REC = 0x36,
IB_SA_ATTR_MC_MEMBER_REC = 0x38,
IB_SA_ATTR_TRACE_REC = 0x39,
IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
IB_SA_ATTR_INFORM_INFO_REC = 0xf3
};
enum ib_sa_selector {
IB_SA_GT = 0,
IB_SA_LT = 1,
IB_SA_EQ = 2,
/*
* The meaning of "best" depends on the attribute: for
* example, for MTU best will return the largest available
* MTU, while for packet life time, best will return the
* smallest available life time.
*/
IB_SA_BEST = 3
};
/*
* Structures for SA records are named "struct ib_sa_xxx_rec." No
* attempt is made to pack structures to match the physical layout of
* SA records in SA MADs; all packing and unpacking is handled by the
* SA query code.
*
* For a record with structure ib_sa_xxx_rec, the naming convention
* for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
* never use different abbreviations or otherwise change the spelling
* of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
*
* Reserved rows are indicated with comments to help maintainability.
*/
#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
IB_SA_COMP_MASK( 1))
#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
/* reserved: 7 */
#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
struct ib_sa_path_rec {
__be64 service_id;
union ib_gid dgid;
union ib_gid sgid;
__be16 dlid;
__be16 slid;
int raw_traffic;
/* reserved */
__be32 flow_label;
u8 hop_limit;
u8 traffic_class;
int reversible;
u8 numb_path;
__be16 pkey;
__be16 qos_class;
u8 sl;
u8 mtu_selector;
u8 mtu;
u8 rate_selector;
u8 rate;
u8 packet_life_time_selector;
u8 packet_life_time;
u8 preference;
};
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
struct ib_sa_mcmember_rec {
union ib_gid mgid;
union ib_gid port_gid;
__be32 qkey;
__be16 mlid;
u8 mtu_selector;
u8 mtu;
u8 traffic_class;
__be16 pkey;
u8 rate_selector;
u8 rate;
u8 packet_life_time_selector;
u8 packet_life_time;
u8 sl;
__be32 flow_label;
u8 hop_limit;
u8 scope;
u8 join_state;
int proxy_join;
};
/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
/* reserved: 3 */
#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
struct ib_sa_service_rec {
u64 id;
union ib_gid gid;
__be16 pkey;
/* reserved */
u32 lease;
u8 key[16];
u8 name[64];
u8 data8[16];
u16 data16[8];
u32 data32[4];
u64 data64[2];
};
enum {
IB_SA_EVENT_TYPE_FATAL = 0x0,
IB_SA_EVENT_TYPE_URGENT = 0x1,
IB_SA_EVENT_TYPE_SECURITY = 0x2,
IB_SA_EVENT_TYPE_SM = 0x3,
IB_SA_EVENT_TYPE_INFO = 0x4,
IB_SA_EVENT_TYPE_EMPTY = 0x7F,
IB_SA_EVENT_TYPE_ALL = 0xFFFF
};
enum {
IB_SA_EVENT_PRODUCER_TYPE_CA = 0x1,
IB_SA_EVENT_PRODUCER_TYPE_SWITCH = 0x2,
IB_SA_EVENT_PRODUCER_TYPE_ROUTER = 0x3,
IB_SA_EVENT_PRODUCER_TYPE_CLASS_MANAGER = 0x4,
IB_SA_EVENT_PRODUCER_TYPE_ALL = 0xFFFFFF
};
enum {
IB_SA_SM_TRAP_GID_IN_SERVICE = 64,
IB_SA_SM_TRAP_GID_OUT_OF_SERVICE = 65,
IB_SA_SM_TRAP_CREATE_MC_GROUP = 66,
IB_SA_SM_TRAP_DELETE_MC_GROUP = 67,
IB_SA_SM_TRAP_PORT_CHANGE_STATE = 128,
IB_SA_SM_TRAP_LINK_INTEGRITY = 129,
IB_SA_SM_TRAP_EXCESSIVE_BUFFER_OVERRUN = 130,
IB_SA_SM_TRAP_FLOW_CONTROL_UPDATE_EXPIRED = 131,
IB_SA_SM_TRAP_BAD_M_KEY = 256,
IB_SA_SM_TRAP_BAD_P_KEY = 257,
IB_SA_SM_TRAP_BAD_Q_KEY = 258,
IB_SA_SM_TRAP_SWITCH_BAD_P_KEY = 259,
IB_SA_SM_TRAP_ALL = 0xFFFF
};
struct ib_sa_inform {
union ib_gid gid;
__be16 lid_range_begin;
__be16 lid_range_end;
u8 is_generic;
u8 subscribe;
__be16 type;
union {
struct {
__be16 trap_num;
__be32 qpn;
u8 resp_time;
__be32 producer_type;
} generic;
struct {
__be16 device_id;
__be32 qpn;
u8 resp_time;
__be32 vendor_id;
} vendor;
} trap;
};
struct ib_sa_notice {
u8 is_generic;
u8 type;
union {
struct {
__be32 producer_type;
__be16 trap_num;
} generic;
struct {
__be32 vendor_id;
__be16 device_id;
} vendor;
} trap;
__be16 issuer_lid;
__be16 notice_count;
u8 notice_toggle;
/*
* Align data 16 bits off 64 bit field to match InformInfo definition.
* Data contained within this field will then align properly.
* See IB spec 1.2, sections 13.4.8.2 and 14.2.5.1.
*/
u8 reserved[5];
u8 data_details[54];
union ib_gid issuer_gid;
};
/*
* SM notice data details for:
*
* IB_SA_SM_TRAP_GID_IN_SERVICE = 64
* IB_SA_SM_TRAP_GID_OUT_OF_SERVICE = 65
* IB_SA_SM_TRAP_CREATE_MC_GROUP = 66
* IB_SA_SM_TRAP_DELETE_MC_GROUP = 67
*/
struct ib_sa_notice_data_gid {
u8 reserved[6];
u8 gid[16];
u8 padding[32];
};
/*
* SM notice data details for:
*
* IB_SA_SM_TRAP_PORT_CHANGE_STATE = 128
*/
struct ib_sa_notice_data_port_change {
__be16 lid;
u8 padding[52];
};
/*
* SM notice data details for:
*
* IB_SA_SM_TRAP_LINK_INTEGRITY = 129
* IB_SA_SM_TRAP_EXCESSIVE_BUFFER_OVERRUN = 130
* IB_SA_SM_TRAP_FLOW_CONTROL_UPDATE_EXPIRED = 131
*/
struct ib_sa_notice_data_port_error {
u8 reserved[2];
__be16 lid;
u8 port_num;
u8 padding[49];
};
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_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,
void (*callback)(int status,
struct ib_sa_path_rec *resp,
void *context),
void *context,
struct ib_sa_query **query);
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,
int timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
struct ib_sa_service_rec *resp,
void *context),
void *context,
struct ib_sa_query **sa_query);
struct ib_sa_multicast {
struct ib_sa_mcmember_rec rec;
ib_sa_comp_mask comp_mask;
int (*callback)(int status,
struct ib_sa_multicast *multicast);
void *context;
};
/**
* ib_sa_join_multicast - Initiates a join request to the specified multicast
* group.
* @client: SA client
* @device: Device associated with the multicast group.
* @port_num: Port on the specified device to associate with the multicast
* group.
* @rec: SA multicast member record specifying group attributes.
* @comp_mask: Component mask indicating which group attributes of %rec are
* valid.
* @gfp_mask: GFP mask for memory allocations.
* @callback: User callback invoked once the join operation completes.
* @context: User specified context stored with the ib_sa_multicast structure.
*
* This call initiates a multicast join request with the SA for the specified
* multicast group. If the join operation is started successfully, it returns
* an ib_sa_multicast structure that is used to track the multicast operation.
* Users must free this structure by calling ib_free_multicast, even if the
* join operation later fails. (The callback status is non-zero.)
*
* If the join operation fails; status will be non-zero, with the following
* failures possible:
* -ETIMEDOUT: The request timed out.
* -EIO: An error occurred sending the query.
* -EINVAL: The MCMemberRecord values differed from the existing group's.
* -ENETRESET: Indicates that an fatal error has occurred on the multicast
* group, and the user must rejoin the group to continue using it.
*/
struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
int (*callback)(int status,
struct ib_sa_multicast
*multicast),
void *context);
/**
* ib_free_multicast - Frees the multicast tracking structure, and releases
* any reference on the multicast group.
* @multicast: Multicast tracking structure allocated by ib_join_multicast.
*
* This call blocks until the multicast identifier is destroyed. It may
* not be called from within the multicast callback; however, returning a non-
* zero value from the callback will result in destroying the multicast
* tracking structure.
*/
void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
/**
* ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
* returns it if found.
* @device: Device associated with the multicast group.
* @port_num: Port on the specified device to associate with the multicast
* group.
* @mgid: MGID of multicast group.
* @rec: Location to copy SA multicast member record.
*/
int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
/**
* ib_init_ah_from_mcmember - Initialize address handle attributes based on
* an SA multicast member record.
*/
int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
struct ib_ah_attr *ah_attr);
/**
* 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);
/**
* ib_sa_unpack_path - Convert a path record from MAD format to struct
* ib_sa_path_rec.
*/
void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
struct ib_inform_info {
void *context;
int (*callback)(int status,
struct ib_inform_info *info,
struct ib_sa_notice *notice);
u16 trap_number;
};
/**
* ib_sa_register_inform_info - Registers to receive notice events.
* @device: Device associated with the registration.
* @port_num: Port on the specified device to associate with the registration.
* @trap_number: InformInfo trap number to register for.
* @gfp_mask: GFP mask for memory allocations.
* @callback: User callback invoked once the registration completes and to
* report noticed events.
* @context: User specified context stored with the ib_inform_reg structure.
*
* This call initiates a registration request with the SA for the specified
* trap number. If the operation is started successfully, it returns
* an ib_inform_info structure that is used to track the registration operation.
* Users must free this structure by calling ib_unregister_inform_info,
* even if the operation later fails. (The callback status is non-zero.)
*
* If the registration fails; status will be non-zero. If the registration
* succeeds, the callback status will be zero, but the notice parameter will
* be NULL. If the notice parameter is not NULL, a trap or notice is being
* reported to the user.
*
* A status of -ENETRESET indicates that an error occurred which requires
* reregisteration.
*/
struct ib_inform_info *
ib_sa_register_inform_info(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
u16 trap_number, gfp_t gfp_mask,
int (*callback)(int status,
struct ib_inform_info *info,
struct ib_sa_notice *notice),
void *context);
/**
* ib_sa_unregister_inform_info - Releases an InformInfo registration.
* @info: InformInfo registration tracking structure.
*
* This call blocks until the registration request is destroyed. It may
* not be called from within the registration callback.
*/
void ib_sa_unregister_inform_info(struct ib_inform_info *info);
#endif /* IB_SA_H */