X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Frdma%2Fib_sa.h;h=942692b0b92e2063664ce0af9e0550f16ab38507;hb=733d65fe33b3002a6f2694c0fd8bd760dc13141f;hp=97715b0c20b69f6e50b75b2c03e24fa50758fdb6;hpb=6585b572402e5ec7936422123b44b65fef7a5ea6;p=pandora-kernel.git diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index 97715b0c20b6..942692b0b92e 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -109,8 +109,8 @@ enum ib_sa_selector { * Reserved rows are indicated with comments to help maintainability. */ -/* reserved: 0 */ -/* reserved: 1 */ +#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) @@ -123,7 +123,7 @@ enum ib_sa_selector { #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) -/* reserved: 14 */ +#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) @@ -134,8 +134,7 @@ enum ib_sa_selector { #define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22) struct ib_sa_path_rec { - /* reserved */ - /* reserved */ + __be64 service_id; union ib_gid dgid; union ib_gid sgid; __be16 dlid; @@ -148,7 +147,7 @@ struct ib_sa_path_rec { int reversible; u8 numb_path; __be16 pkey; - /* reserved */ + __be16 qos_class; u8 sl; u8 mtu_selector; u8 mtu; @@ -285,18 +284,6 @@ int ib_sa_path_rec_get(struct ib_sa_client *client, void *context, struct ib_sa_query **query); -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, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct ib_sa_mcmember_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, @@ -309,93 +296,82 @@ int ib_sa_service_rec_query(struct ib_sa_client *client, 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_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 - * @comp_mask:component mask to send in query - * @timeout_ms:time to wait for response - * @gfp_mask:GFP mask to use for internal allocations - * @callback:function called when query completes, times out or is - * canceled - * @context:opaque user context passed to callback - * @sa_query:query context, used to cancel query + * 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. * - * Send an MCMember Set query to the SA (eg to join a multicast - * group). The callback function will be called when the query - * completes (or fails); status is 0 for a successful response, -EINTR - * if the query is canceled, -ETIMEDOUT is the query timed out, or - * -EIO if an error occurred sending the query. The resp parameter of - * the callback is only valid if status is 0. + * 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 return value of ib_sa_mcmember_rec_set() is negative, it is - * an error code. Otherwise it is a query ID that can be used to - * cancel the query. + * 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. */ -static inline int -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, - void (*callback)(int status, - struct ib_sa_mcmember_rec *resp, - void *context), - void *context, - struct ib_sa_query **query) -{ - return ib_sa_mcmember_rec_query(client, device, port_num, - IB_MGMT_METHOD_SET, - rec, comp_mask, - timeout_ms, gfp_mask, callback, - context, query); -} +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_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 - * @comp_mask:component mask to send in query - * @timeout_ms:time to wait for response - * @gfp_mask:GFP mask to use for internal allocations - * @callback:function called when query completes, times out or is - * canceled - * @context:opaque user context passed to callback - * @sa_query:query context, used to cancel query - * - * Send an MCMember Delete query to the SA (eg to leave a multicast - * group). The callback function will be called when the query - * completes (or fails); status is 0 for a successful response, -EINTR - * if the query is canceled, -ETIMEDOUT is the query timed out, or - * -EIO if an error occurred sending the query. The resp parameter of - * the callback is only valid if status is 0. + * 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. * - * If the return value of ib_sa_mcmember_rec_delete() is negative, it - * is an error code. Otherwise it is a query ID that can be used to - * cancel the query. + * 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. */ -static inline int -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, - void (*callback)(int status, - struct ib_sa_mcmember_rec *resp, - void *context), - void *context, - struct ib_sa_query **query) -{ - return ib_sa_mcmember_rec_query(client, device, port_num, - IB_SA_METHOD_DELETE, - rec, comp_mask, - timeout_ms, gfp_mask, callback, - context, query); -} +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