diff options
Diffstat (limited to 'include/rdma/ib_cm.h')
| -rw-r--r-- | include/rdma/ib_cm.h | 69 |
1 files changed, 51 insertions, 18 deletions
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h index 0a9fcd59eb4..0e3ff30647d 100644 --- a/include/rdma/ib_cm.h +++ b/include/rdma/ib_cm.h @@ -31,8 +31,6 @@ * 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. - * - * $Id: ib_cm.h 2730 2005-06-28 16:43:03Z sean.hefty $ */ #if !defined(IB_CM_H) #define IB_CM_H @@ -40,6 +38,9 @@ #include <rdma/ib_mad.h> #include <rdma/ib_sa.h> +/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */ +extern struct class cm_class; + enum ib_cm_state { IB_CM_IDLE, IB_CM_LISTEN, @@ -60,6 +61,7 @@ enum ib_cm_state { }; enum ib_cm_lap_state { + IB_CM_LAP_UNINIT, IB_CM_LAP_IDLE, IB_CM_LAP_SENT, IB_CM_LAP_RCVD, @@ -102,7 +104,8 @@ 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 +241,6 @@ struct ib_cm_sidr_rep_event_param { u32 qpn; void *info; u8 info_len; - }; struct ib_cm_event { @@ -260,6 +262,18 @@ struct ib_cm_event { void *private_data; }; +#define CM_REQ_ATTR_ID cpu_to_be16(0x0010) +#define CM_MRA_ATTR_ID cpu_to_be16(0x0011) +#define CM_REJ_ATTR_ID cpu_to_be16(0x0012) +#define CM_REP_ATTR_ID cpu_to_be16(0x0013) +#define CM_RTU_ATTR_ID cpu_to_be16(0x0014) +#define CM_DREQ_ATTR_ID cpu_to_be16(0x0015) +#define CM_DREP_ATTR_ID cpu_to_be16(0x0016) +#define CM_SIDR_REQ_ATTR_ID cpu_to_be16(0x0017) +#define CM_SIDR_REP_ATTR_ID cpu_to_be16(0x0018) +#define CM_LAP_ATTR_ID cpu_to_be16(0x0019) +#define CM_APR_ATTR_ID cpu_to_be16(0x001A) + /** * ib_cm_handler - User-defined callback to process communication events. * @cm_id: Communication identifier associated with the reported event. @@ -315,8 +329,17 @@ struct ib_cm_id *ib_create_cm_id(struct ib_device *device, */ 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_SERVICE_ID_AGN_MASK cpu_to_be64(0xFF00000000000000ULL) +#define IB_CM_ASSIGN_SERVICE_ID cpu_to_be64(0x0200000000000000ULL) +#define IB_CMA_SERVICE_ID cpu_to_be64(0x0000000001000000ULL) +#define IB_CMA_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFF000000ULL) +#define IB_SDP_SERVICE_ID cpu_to_be64(0x0000000000010000ULL) +#define IB_SDP_SERVICE_ID_MASK 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 +353,12 @@ 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; @@ -373,7 +398,6 @@ struct ib_cm_rep_param { u8 private_data_len; u8 responder_resources; u8 initiator_depth; - u8 target_ack_delay; u8 failover_accepted; u8 flow_control; u8 rnr_retry_count; @@ -432,13 +456,20 @@ int ib_send_cm_drep(struct ib_cm_id *cm_id, u8 private_data_len); /** - * ib_cm_establish - Forces a connection state to established. + * ib_cm_notify - Notifies the CM of an event reported to the consumer. * @cm_id: Connection identifier to transition to established. + * @event: Type of event. + * + * This routine should be invoked by users to notify the CM of relevant + * communication events. Events that should be reported to the CM and + * when to report them are: * - * This routine should be invoked by users who receive messages on a - * connected QP before an RTU has been received. + * IB_EVENT_COMM_EST - Used when a message is received on a connected + * QP before an RTU has been received. + * IB_EVENT_PATH_MIG - Notifies the CM that the connection has failed over + * to the alternate path. */ -int ib_cm_establish(struct ib_cm_id *cm_id); +int ib_cm_notify(struct ib_cm_id *cm_id, enum ib_event_type event); /** * ib_send_cm_rej - Sends a connection rejection message to the @@ -459,12 +490,15 @@ int ib_send_cm_rej(struct ib_cm_id *cm_id, const void *private_data, u8 private_data_len); +#define IB_CM_MRA_FLAG_DELAY 0x80 /* Send MRA only after a duplicate msg */ + /** * ib_send_cm_mra - Sends a message receipt acknowledgement to a connection * message. * @cm_id: Connection identifier associated with the connection message. - * @service_timeout: The maximum time required for the sender to reply to - * to the connection message. + * @service_timeout: The lower 5-bits specify the maximum time required for + * the sender to reply to the connection message. The upper 3-bits + * specify additional control flags. * @private_data: Optional user-defined private data sent with the * message receipt acknowledgement. * @private_data_len: Size of the private data buffer, in bytes. @@ -535,7 +569,6 @@ struct ib_cm_sidr_req_param { const void *private_data; u8 private_data_len; u8 max_cm_retries; - u16 pkey; }; /** @@ -559,7 +592,7 @@ 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. |