diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 149 |
1 files changed, 141 insertions, 8 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 31d30b1852e..90b529f7a15 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -34,8 +34,6 @@ * 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_verbs.h 1349 2004-12-16 21:09:43Z roland $ */ #if !defined(IB_VERBS_H) @@ -93,7 +91,7 @@ enum ib_device_cap_flags { IB_DEVICE_RC_RNR_NAK_GEN = (1<<12), IB_DEVICE_SRQ_RESIZE = (1<<13), IB_DEVICE_N_NOTIFY_CQ = (1<<14), - IB_DEVICE_ZERO_STAG = (1<<15), + IB_DEVICE_LOCAL_DMA_LKEY = (1<<15), IB_DEVICE_RESERVED = (1<<16), /* old SEND_W_INV */ IB_DEVICE_MEM_WINDOW = (1<<17), /* @@ -105,6 +103,8 @@ enum ib_device_cap_flags { */ IB_DEVICE_UD_IP_CSUM = (1<<18), IB_DEVICE_UD_TSO = (1<<19), + IB_DEVICE_MEM_MGT_EXTENSIONS = (1<<21), + IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1<<22), }; enum ib_atomic_cap { @@ -150,6 +150,7 @@ struct ib_device_attr { int max_srq; int max_srq_wr; int max_srq_sge; + unsigned int max_fast_reg_page_list_len; u16 max_pkeys; u8 local_ca_ack_delay; }; @@ -226,6 +227,57 @@ static inline int ib_width_enum_to_int(enum ib_port_width width) } } +struct ib_protocol_stats { + /* TBD... */ +}; + +struct iw_protocol_stats { + u64 ipInReceives; + u64 ipInHdrErrors; + u64 ipInTooBigErrors; + u64 ipInNoRoutes; + u64 ipInAddrErrors; + u64 ipInUnknownProtos; + u64 ipInTruncatedPkts; + u64 ipInDiscards; + u64 ipInDelivers; + u64 ipOutForwDatagrams; + u64 ipOutRequests; + u64 ipOutDiscards; + u64 ipOutNoRoutes; + u64 ipReasmTimeout; + u64 ipReasmReqds; + u64 ipReasmOKs; + u64 ipReasmFails; + u64 ipFragOKs; + u64 ipFragFails; + u64 ipFragCreates; + u64 ipInMcastPkts; + u64 ipOutMcastPkts; + u64 ipInBcastPkts; + u64 ipOutBcastPkts; + + u64 tcpRtoAlgorithm; + u64 tcpRtoMin; + u64 tcpRtoMax; + u64 tcpMaxConn; + u64 tcpActiveOpens; + u64 tcpPassiveOpens; + u64 tcpAttemptFails; + u64 tcpEstabResets; + u64 tcpCurrEstab; + u64 tcpInSegs; + u64 tcpOutSegs; + u64 tcpRetransSegs; + u64 tcpInErrs; + u64 tcpOutRsts; +}; + +union rdma_protocol_stats { + struct ib_protocol_stats ib; + struct iw_protocol_stats iw; +}; + struct ib_port_attr { enum ib_port_state state; enum ib_mtu max_mtu; @@ -413,6 +465,8 @@ enum ib_wc_opcode { IB_WC_FETCH_ADD, IB_WC_BIND_MW, IB_WC_LSO, + IB_WC_LOCAL_INV, + IB_WC_FAST_REG_MR, /* * Set value of IB_WC_RECV so consumers can test if a completion is a * receive by testing (opcode & IB_WC_RECV). @@ -423,7 +477,8 @@ enum ib_wc_opcode { enum ib_wc_flags { IB_WC_GRH = 1, - IB_WC_WITH_IMM = (1<<1) + IB_WC_WITH_IMM = (1<<1), + IB_WC_WITH_INVALIDATE = (1<<2), }; struct ib_wc { @@ -433,7 +488,10 @@ struct ib_wc { u32 vendor_err; u32 byte_len; struct ib_qp *qp; - __be32 imm_data; + union { + __be32 imm_data; + u32 invalidate_rkey; + } ex; u32 src_qp; int wc_flags; u16 pkey_index; @@ -498,7 +556,8 @@ enum ib_qp_type { }; enum ib_qp_create_flags { - IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0, + IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0, + IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1, }; struct ib_qp_init_attr { @@ -627,6 +686,9 @@ enum ib_wr_opcode { IB_WR_ATOMIC_FETCH_AND_ADD, IB_WR_LSO, IB_WR_SEND_WITH_INV, + IB_WR_RDMA_READ_WITH_INV, + IB_WR_LOCAL_INV, + IB_WR_FAST_REG_MR, }; enum ib_send_flags { @@ -643,6 +705,12 @@ struct ib_sge { u32 lkey; }; +struct ib_fast_reg_page_list { + struct ib_device *device; + u64 *page_list; + unsigned int max_page_list_len; +}; + struct ib_send_wr { struct ib_send_wr *next; u64 wr_id; @@ -675,6 +743,15 @@ struct ib_send_wr { u16 pkey_index; /* valid for GSI only */ u8 port_num; /* valid for DR SMPs on switch only */ } ud; + struct { + u64 iova_start; + struct ib_fast_reg_page_list *page_list; + unsigned int page_shift; + unsigned int page_list_len; + u32 length; + int access_flags; + u32 rkey; + } fast_reg; } wr; }; @@ -777,7 +854,7 @@ struct ib_cq { struct ib_uobject *uobject; ib_comp_handler comp_handler; void (*event_handler)(struct ib_event *, void *); - void * cq_context; + void *cq_context; int cqe; atomic_t usecnt; /* count number of work queues */ }; @@ -883,7 +960,7 @@ struct ib_dma_mapping_ops { void (*sync_single_for_cpu)(struct ib_device *dev, u64 dma_handle, size_t size, - enum dma_data_direction dir); + enum dma_data_direction dir); void (*sync_single_for_device)(struct ib_device *dev, u64 dma_handle, size_t size, @@ -919,6 +996,8 @@ struct ib_device { struct iw_cm_verbs *iwcm; + int (*get_protocol_stats)(struct ib_device *device, + union rdma_protocol_stats *stats); int (*query_device)(struct ib_device *device, struct ib_device_attr *device_attr); int (*query_port)(struct ib_device *device, @@ -1013,6 +1092,11 @@ struct ib_device { int (*query_mr)(struct ib_mr *mr, struct ib_mr_attr *mr_attr); int (*dereg_mr)(struct ib_mr *mr); + struct ib_mr * (*alloc_fast_reg_mr)(struct ib_pd *pd, + int max_page_list_len); + struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device, + int page_list_len); + void (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list); int (*rereg_phys_mr)(struct ib_mr *mr, int mr_rereg_mask, struct ib_pd *pd, @@ -1065,6 +1149,7 @@ struct ib_device { char node_desc[64]; __be64 node_guid; + u32 local_dma_lkey; u8 node_type; u8 phys_port_cnt; }; @@ -1807,6 +1892,54 @@ int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); int ib_dereg_mr(struct ib_mr *mr); /** + * ib_alloc_fast_reg_mr - Allocates memory region usable with the + * IB_WR_FAST_REG_MR send work request. + * @pd: The protection domain associated with the region. + * @max_page_list_len: requested max physical buffer list length to be + * used with fast register work requests for this MR. + */ +struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len); + +/** + * ib_alloc_fast_reg_page_list - Allocates a page list array + * @device - ib device pointer. + * @page_list_len - size of the page list array to be allocated. + * + * This allocates and returns a struct ib_fast_reg_page_list * and a + * page_list array that is at least page_list_len in size. The actual + * size is returned in max_page_list_len. The caller is responsible + * for initializing the contents of the page_list array before posting + * a send work request with the IB_WC_FAST_REG_MR opcode. + * + * The page_list array entries must be translated using one of the + * ib_dma_*() functions just like the addresses passed to + * ib_map_phys_fmr(). Once the ib_post_send() is issued, the struct + * ib_fast_reg_page_list must not be modified by the caller until the + * IB_WC_FAST_REG_MR work request completes. + */ +struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list( + struct ib_device *device, int page_list_len); + +/** + * ib_free_fast_reg_page_list - Deallocates a previously allocated + * page list array. + * @page_list - struct ib_fast_reg_page_list pointer to be deallocated. + */ +void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); + +/** + * ib_update_fast_reg_key - updates the key portion of the fast_reg MR + * R_Key and L_Key. + * @mr - struct ib_mr pointer to be updated. + * @newkey - new key to be used. + */ +static inline void ib_update_fast_reg_key(struct ib_mr *mr, u8 newkey) +{ + mr->lkey = (mr->lkey & 0xffffff00) | newkey; + mr->rkey = (mr->rkey & 0xffffff00) | newkey; +} + +/** * ib_alloc_mw - Allocates a memory window. * @pd: The protection domain associated with the memory window. */ |