diff options
Diffstat (limited to 'rpc/rpc-transport/rdma/src/rdma.h')
| -rw-r--r-- | rpc/rpc-transport/rdma/src/rdma.h | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/rpc/rpc-transport/rdma/src/rdma.h b/rpc/rpc-transport/rdma/src/rdma.h deleted file mode 100644 index 687d6005feb..00000000000 --- a/rpc/rpc-transport/rdma/src/rdma.h +++ /dev/null @@ -1,403 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef _XPORT_RDMA_H -#define _XPORT_RDMA_H - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#ifndef MAX_IOVEC -#define MAX_IOVEC 16 -#endif /* MAX_IOVEC */ - -#include "rpc-clnt.h" -#include "rpc-transport.h" -#include "xlator.h" -#include "event.h" -#include <stdio.h> -#include <list.h> -#include <arpa/inet.h> -#include <infiniband/verbs.h> - -/* FIXME: give appropriate values to these macros */ -#define GF_DEFAULT_RDMA_LISTEN_PORT (GF_DEFAULT_BASE_PORT + 1) - -/* If you are changing GF_RDMA_MAX_SEGMENTS, please make sure to update - * GLUSTERFS_GF_RDMA_MAX_HEADER_SIZE defined in glusterfs.h . - */ -#define GF_RDMA_MAX_SEGMENTS 8 - -#define GF_RDMA_VERSION 1 -#define GF_RDMA_POOL_SIZE 512 - -/* Additional attributes */ -#define GF_RDMA_TIMEOUT 14 -#define GF_RDMA_RETRY_CNT 7 -#define GF_RDMA_RNR_RETRY 7 - -typedef enum gf_rdma_errcode { - ERR_VERS = 1, - ERR_CHUNK = 2 -}gf_rdma_errcode_t; - -struct gf_rdma_err_vers { - uint32_t gf_rdma_vers_low; /* Version range supported by peer */ - uint32_t gf_rdma_vers_high; -}__attribute__ ((packed)); -typedef struct gf_rdma_err_vers gf_rdma_err_vers_t; - -typedef enum gf_rdma_proc { - GF_RDMA_MSG = 0, /* An RPC call or reply msg */ - GF_RDMA_NOMSG = 1, /* An RPC call or reply msg - separate body */ - GF_RDMA_MSGP = 2, /* An RPC call or reply msg with padding */ - GF_RDMA_DONE = 3, /* Client signals reply completion */ - GF_RDMA_ERROR = 4 /* An RPC RDMA encoding error */ -}gf_rdma_proc_t; - -typedef enum gf_rdma_chunktype { - gf_rdma_noch = 0, /* no chunk */ - gf_rdma_readch, /* some argument through rdma read */ - gf_rdma_areadch, /* entire request through rdma read */ - gf_rdma_writech, /* some result through rdma write */ - gf_rdma_replych /* entire reply through rdma write */ -}gf_rdma_chunktype_t; - -/* If you are modifying __gf_rdma_header, please make sure to change - * GLUSTERFS_GF_RDMA_MAX_HEADER_SIZE defined in glusterfs.h to reflect your changes - */ -struct __gf_rdma_header { - uint32_t rm_xid; /* Mirrors the RPC header xid */ - uint32_t rm_vers; /* Version of this protocol */ - uint32_t rm_credit; /* Buffers requested/granted */ - uint32_t rm_type; /* Type of message (enum gf_rdma_proc) */ - union { - struct { /* no chunks */ - uint32_t rm_empty[3]; /* 3 empty chunk lists */ - }__attribute__((packed)) rm_nochunks; - - struct { /* no chunks and padded */ - uint32_t rm_align; /* Padding alignment */ - uint32_t rm_thresh; /* Padding threshold */ - uint32_t rm_pempty[3]; /* 3 empty chunk lists */ - }__attribute__((packed)) rm_padded; - - struct { - uint32_t rm_type; - gf_rdma_err_vers_t rm_version; - }__attribute__ ((packed)) rm_error; - - uint32_t rm_chunks[0]; /* read, write and reply chunks */ - }__attribute__ ((packed)) rm_body; -} __attribute__((packed)); -typedef struct __gf_rdma_header gf_rdma_header_t; - -/* If you are modifying __gf_rdma_segment or __gf_rdma_read_chunk, please make sure - * to change GLUSTERFS_GF_RDMA_MAX_HEADER_SIZE defined in glusterfs.h to reflect - * your changes. - */ -struct __gf_rdma_segment { - uint32_t rs_handle; /* Registered memory handle */ - uint32_t rs_length; /* Length of the chunk in bytes */ - uint64_t rs_offset; /* Chunk virtual address or offset */ -} __attribute__((packed)); -typedef struct __gf_rdma_segment gf_rdma_segment_t; - -/* read chunk(s), encoded as a linked list. */ -struct __gf_rdma_read_chunk { - uint32_t rc_discrim; /* 1 indicates presence */ - uint32_t rc_position; /* Position in XDR stream */ - gf_rdma_segment_t rc_target; -} __attribute__((packed)); -typedef struct __gf_rdma_read_chunk gf_rdma_read_chunk_t; - -/* write chunk, and reply chunk. */ -struct __gf_rdma_write_chunk { - gf_rdma_segment_t wc_target; -} __attribute__((packed)); -typedef struct __gf_rdma_write_chunk gf_rdma_write_chunk_t; - -/* write chunk(s), encoded as a counted array. */ -struct __gf_rdma_write_array { - uint32_t wc_discrim; /* 1 indicates presence */ - uint32_t wc_nchunks; /* Array count */ - struct __gf_rdma_write_chunk wc_array[0]; -} __attribute__((packed)); -typedef struct __gf_rdma_write_array gf_rdma_write_array_t; - -/* options per transport end point */ -struct __gf_rdma_options { - int32_t port; - char *device_name; - enum ibv_mtu mtu; - int32_t send_count; - int32_t recv_count; - uint64_t recv_size; - uint64_t send_size; - uint8_t attr_timeout; - uint8_t attr_retry_cnt; - uint8_t attr_rnr_retry; -}; -typedef struct __gf_rdma_options gf_rdma_options_t; - -struct __gf_rdma_reply_info { - uint32_t rm_xid; /* xid in network endian */ - gf_rdma_chunktype_t type; /* - * can be either gf_rdma_replych - * or gf_rdma_writech. - */ - gf_rdma_write_array_t *wc_array; - struct mem_pool *pool; -}; -typedef struct __gf_rdma_reply_info gf_rdma_reply_info_t; - -struct __gf_rdma_ioq { - union { - struct list_head list; - struct { - struct __gf_rdma_ioq *next; - struct __gf_rdma_ioq *prev; - }; - }; - - char is_request; - struct iovec rpchdr[MAX_IOVEC]; - int rpchdr_count; - struct iovec proghdr[MAX_IOVEC]; - int proghdr_count; - struct iovec prog_payload[MAX_IOVEC]; - int prog_payload_count; - - struct iobref *iobref; - - union { - struct __gf_rdma_ioq_request { - /* used to build reply_chunk for GF_RDMA_NOMSG type msgs */ - struct iovec rsphdr_vec[MAX_IOVEC]; - int rsphdr_count; - - /* - * used to build write_array during operations like - * read. - */ - struct iovec rsp_payload[MAX_IOVEC]; - int rsp_payload_count; - - struct rpc_req *rpc_req; /* FIXME: hack! hack! should be - * cleaned up later - */ - struct iobref *rsp_iobref; - }request; - - gf_rdma_reply_info_t *reply_info; - }msg; - - struct mem_pool *pool; -}; -typedef struct __gf_rdma_ioq gf_rdma_ioq_t; - -typedef enum __gf_rdma_send_post_type { - GF_RDMA_SEND_POST_NO_CHUNKLIST, /* post which is sent using rdma-send - * and the msg carries no - * chunklists. - */ - GF_RDMA_SEND_POST_READ_CHUNKLIST, /* post which is sent using rdma-send - * and the msg carries only read - * chunklist. - */ - GF_RDMA_SEND_POST_WRITE_CHUNKLIST, /* post which is sent using - * rdma-send and the msg carries - * only write chunklist. - */ - GF_RDMA_SEND_POST_READ_WRITE_CHUNKLIST, /* post which is sent using - * rdma-send and the msg - * carries both read and - * write chunklists. - */ - GF_RDMA_SEND_POST_GF_RDMA_READ, /* RDMA read */ - GF_RDMA_SEND_POST_GF_RDMA_WRITE, /* RDMA write */ -}gf_rdma_send_post_type_t; - -/* represents one communication peer, two per transport_t */ -struct __gf_rdma_peer { - rpc_transport_t *trans; - struct ibv_qp *qp; - - int32_t recv_count; - int32_t send_count; - int32_t recv_size; - int32_t send_size; - - int32_t quota; - union { - struct list_head ioq; - struct { - gf_rdma_ioq_t *ioq_next; - gf_rdma_ioq_t *ioq_prev; - }; - }; - - /* QP attributes, needed to connect with remote QP */ - int32_t local_lid; - int32_t local_psn; - int32_t local_qpn; - int32_t remote_lid; - int32_t remote_psn; - int32_t remote_qpn; -}; -typedef struct __gf_rdma_peer gf_rdma_peer_t; - -struct __gf_rdma_post_context { - struct ibv_mr *mr[GF_RDMA_MAX_SEGMENTS]; - int mr_count; - struct iovec vector[MAX_IOVEC]; - int count; - struct iobref *iobref; - struct iobuf *hdr_iobuf; - char is_request; - int gf_rdma_reads; - gf_rdma_reply_info_t *reply_info; -}; -typedef struct __gf_rdma_post_context gf_rdma_post_context_t; - -typedef enum { - GF_RDMA_SEND_POST, - GF_RDMA_RECV_POST -} gf_rdma_post_type_t; - -struct __gf_rdma_post { - struct __gf_rdma_post *next, *prev; - struct ibv_mr *mr; - char *buf; - int32_t buf_size; - char aux; - int32_t reused; - struct __gf_rdma_device *device; - gf_rdma_post_type_t type; - gf_rdma_post_context_t ctx; - int refcount; - pthread_mutex_t lock; -}; -typedef struct __gf_rdma_post gf_rdma_post_t; - -struct __gf_rdma_queue { - gf_rdma_post_t active_posts, passive_posts; - int32_t active_count, passive_count; - pthread_mutex_t lock; -}; -typedef struct __gf_rdma_queue gf_rdma_queue_t; - -struct __gf_rdma_qpreg { - pthread_mutex_t lock; - int32_t count; - struct _qpent { - struct _qpent *next, *prev; - int32_t qp_num; - gf_rdma_peer_t *peer; - } ents[42]; -}; -typedef struct __gf_rdma_qpreg gf_rdma_qpreg_t; - -/* context per device, stored in global glusterfs_ctx_t->ib */ -struct __gf_rdma_device { - struct __gf_rdma_device *next; - const char *device_name; - struct ibv_context *context; - int32_t port; - struct ibv_pd *pd; - struct ibv_srq *srq; - gf_rdma_qpreg_t qpreg; - struct ibv_comp_channel *send_chan, *recv_chan; - struct ibv_cq *send_cq, *recv_cq; - gf_rdma_queue_t sendq, recvq; - pthread_t send_thread, recv_thread; - struct mem_pool *request_ctx_pool; - struct mem_pool *ioq_pool; - struct mem_pool *reply_info_pool; -}; -typedef struct __gf_rdma_device gf_rdma_device_t; - -typedef enum { - GF_RDMA_HANDSHAKE_START = 0, - GF_RDMA_HANDSHAKE_SENDING_DATA, - GF_RDMA_HANDSHAKE_RECEIVING_DATA, - GF_RDMA_HANDSHAKE_SENT_DATA, - GF_RDMA_HANDSHAKE_RECEIVED_DATA, - GF_RDMA_HANDSHAKE_SENDING_ACK, - GF_RDMA_HANDSHAKE_RECEIVING_ACK, - GF_RDMA_HANDSHAKE_RECEIVED_ACK, - GF_RDMA_HANDSHAKE_COMPLETE, -} gf_rdma_handshake_state_t; - -struct gf_rdma_nbio { - int state; - char *buf; - int count; - struct iovec vector; - struct iovec *pending_vector; - int pending_count; -}; - -struct __gf_rdma_request_context { - struct ibv_mr *mr[GF_RDMA_MAX_SEGMENTS]; - int mr_count; - struct mem_pool *pool; - gf_rdma_peer_t *peer; - struct iobref *iobref; - struct iobref *rsp_iobref; -}; -typedef struct __gf_rdma_request_context gf_rdma_request_context_t; - -struct __gf_rdma_private { - int32_t sock; - int32_t idx; - unsigned char connected; - unsigned char tcp_connected; - unsigned char ib_connected; - in_addr_t addr; - unsigned short port; - - /* IB Verbs Driver specific variables, pointers */ - gf_rdma_peer_t peer; - struct __gf_rdma_device *device; - gf_rdma_options_t options; - - /* Used by trans->op->receive */ - char *data_ptr; - int32_t data_offset; - int32_t data_len; - - /* Mutex */ - pthread_mutex_t read_mutex; - pthread_mutex_t write_mutex; - pthread_barrier_t handshake_barrier; - char handshake_ret; - char is_server; - rpc_transport_t *listener; - - pthread_mutex_t recv_mutex; - pthread_cond_t recv_cond; - - /* used during gf_rdma_handshake */ - struct { - struct gf_rdma_nbio incoming; - struct gf_rdma_nbio outgoing; - int state; - gf_rdma_header_t header; - char *buf; - size_t size; - } handshake; -}; -typedef struct __gf_rdma_private gf_rdma_private_t; - -#endif /* _XPORT_GF_RDMA_H */ |
