diff options
Diffstat (limited to 'include/rdma/ib_mad.h')
| -rw-r--r-- | include/rdma/ib_mad.h | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 2c133506742..5ff77558013 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -3,7 +3,7 @@ * Copyright (c) 2004 Infinicon Corporation. All rights reserved. * Copyright (c) 2004 Intel Corporation. All rights reserved. * Copyright (c) 2004 Topspin Corporation. All rights reserved. - * Copyright (c) 2004 Voltaire Corporation. All rights reserved. + * Copyright (c) 2004-2006 Voltaire 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 @@ -33,7 +33,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * - * $Id: ib_mad.h 2775 2005-07-02 13:42:12Z halr $ + * $Id: ib_mad.h 5596 2006-03-03 01:00:07Z sean.hefty $ */ #if !defined( IB_MAD_H ) @@ -55,6 +55,10 @@ #define IB_MGMT_CLASS_DEVICE_MGMT 0x06 #define IB_MGMT_CLASS_CM 0x07 #define IB_MGMT_CLASS_SNMP 0x08 +#define IB_MGMT_CLASS_DEVICE_ADM 0x10 +#define IB_MGMT_CLASS_BOOT_MGMT 0x11 +#define IB_MGMT_CLASS_BIS 0x12 +#define IB_MGMT_CLASS_CONG_MGMT 0x21 #define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30 #define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4F @@ -117,6 +121,8 @@ enum { IB_MGMT_VENDOR_DATA = 216, IB_MGMT_SA_HDR = 56, IB_MGMT_SA_DATA = 200, + IB_MGMT_DEVICE_HDR = 64, + IB_MGMT_DEVICE_DATA = 192, }; struct ib_mad_hdr { @@ -208,15 +214,23 @@ struct ib_class_port_info /** * ib_mad_send_buf - MAD data buffer and work request for sends. * @next: A pointer used to chain together MADs for posting. - * @mad: References an allocated MAD data buffer. + * @mad: References an allocated MAD data buffer for MADs that do not have + * RMPP active. For MADs using RMPP, references the common and management + * class specific headers. * @mad_agent: MAD agent that allocated the buffer. * @ah: The address handle to use when sending the MAD. * @context: User-controlled context fields. + * @hdr_len: Indicates the size of the data header of the MAD. This length + * includes the common MAD, RMPP, and class specific headers. + * @data_len: Indicates the total size of user-transferred data. + * @seg_count: The number of RMPP segments allocated for this send. + * @seg_size: Size of each RMPP segment. * @timeout_ms: Time to wait for a response. * @retries: Number of times to retry a request for a response. * * Users are responsible for initializing the MAD buffer itself, with the - * exception of specifying the payload length field in any RMPP MAD. + * exception of any RMPP header. Additional segment buffer space allocated + * beyond data_len is padding. */ struct ib_mad_send_buf { struct ib_mad_send_buf *next; @@ -224,6 +238,10 @@ struct ib_mad_send_buf { struct ib_mad_agent *mad_agent; struct ib_ah *ah; void *context[2]; + int hdr_len; + int data_len; + int seg_count; + int seg_size; int timeout_ms; int retries; }; @@ -299,7 +317,7 @@ typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent, * @mad_recv_wc: Received work completion information on the received MAD. * * MADs received in response to a send request operation will be handed to - * the user after the send operation completes. All data buffers given + * the user before the send operation completes. All data buffers given * to registered agents through this routine are owned by the receiving * client, except for snooping agents. Clients snooping MADs should not * modify the data referenced by @mad_recv_wc. @@ -485,17 +503,6 @@ int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent); int ib_post_send_mad(struct ib_mad_send_buf *send_buf, struct ib_mad_send_buf **bad_send_buf); -/** - * ib_coalesce_recv_mad - Coalesces received MAD data into a single buffer. - * @mad_recv_wc: Work completion information for a received MAD. - * @buf: User-provided data buffer to receive the coalesced buffers. The - * referenced buffer should be at least the size of the mad_len specified - * by @mad_recv_wc. - * - * This call copies a chain of received MAD segments into a single data buffer, - * removing duplicated headers. - */ -void ib_coalesce_recv_mad(struct ib_mad_recv_wc *mad_recv_wc, void *buf); /** * ib_free_recv_mad - Returns data buffers used to receive a MAD. @@ -590,9 +597,10 @@ int ib_process_mad_wc(struct ib_mad_agent *mad_agent, * with an initialized work request structure. Users may modify the returned * MAD data buffer before posting the send. * - * The returned data buffer will be cleared. Users are responsible for - * initializing the common MAD and any class specific headers. If @rmpp_active - * is set, the RMPP header will be initialized for sending. + * The returned MAD header, class specific headers, and any padding will be + * cleared. Users are responsible for initializing the common MAD header, + * any class specific header, and MAD data area. + * If @rmpp_active is set, the RMPP header will be initialized for sending. */ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent, u32 remote_qpn, u16 pkey_index, @@ -601,6 +609,35 @@ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent, gfp_t gfp_mask); /** + * ib_is_mad_class_rmpp - returns whether given management class + * supports RMPP. + * @mgmt_class: management class + * + * This routine returns whether the management class supports RMPP. + */ +int ib_is_mad_class_rmpp(u8 mgmt_class); + +/** + * ib_get_mad_data_offset - returns the data offset for a given + * management class. + * @mgmt_class: management class + * + * This routine returns the data offset in the MAD for the management + * class requested. + */ +int ib_get_mad_data_offset(u8 mgmt_class); + +/** + * ib_get_rmpp_segment - returns the data buffer for a given RMPP segment. + * @send_buf: Previously allocated send data buffer. + * @seg_num: number of segment to return + * + * This routine returns a pointer to the data buffer of an RMPP MAD. + * Users must provide synchronization to @send_buf around this call. + */ +void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num); + +/** * ib_free_send_mad - Returns data buffers used to send a MAD. * @send_buf: Previously allocated send data buffer. */ |