200 lines
5.8 KiB
C
200 lines
5.8 KiB
C
/*
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* Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
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* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef NES_VERBS_H
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#define NES_VERBS_H
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struct nes_device;
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#define NES_MAX_USER_DB_REGIONS 4096
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#define NES_MAX_USER_WQ_REGIONS 4096
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#define NES_TERM_SENT 0x01
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#define NES_TERM_RCVD 0x02
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#define NES_TERM_DONE 0x04
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struct nes_ucontext {
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struct ib_ucontext ibucontext;
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struct nes_device *nesdev;
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unsigned long mmap_wq_offset;
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unsigned long mmap_cq_offset; /* to be removed */
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int index; /* rnic index (minor) */
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unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
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u16 mmap_db_index[NES_MAX_USER_DB_REGIONS];
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u16 first_free_db;
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unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
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struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
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u16 first_free_wq;
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struct list_head cq_reg_mem_list;
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struct list_head qp_reg_mem_list;
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u32 mcrqf;
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atomic_t usecnt;
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};
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struct nes_pd {
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struct ib_pd ibpd;
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u16 pd_id;
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atomic_t sqp_count;
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u16 mmap_db_index;
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};
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struct nes_mr {
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union {
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struct ib_mr ibmr;
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struct ib_mw ibmw;
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struct ib_fmr ibfmr;
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};
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struct ib_umem *region;
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u16 pbls_used;
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u8 mode;
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u8 pbl_4k;
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__le64 *pages;
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dma_addr_t paddr;
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u32 max_pages;
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u32 npages;
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};
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struct nes_hw_pb {
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__le32 pa_low;
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__le32 pa_high;
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};
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struct nes_vpbl {
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dma_addr_t pbl_pbase;
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struct nes_hw_pb *pbl_vbase;
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};
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struct nes_root_vpbl {
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dma_addr_t pbl_pbase;
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struct nes_hw_pb *pbl_vbase;
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struct nes_vpbl *leaf_vpbl;
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};
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struct nes_fmr {
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struct nes_mr nesmr;
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u32 leaf_pbl_cnt;
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struct nes_root_vpbl root_vpbl;
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struct ib_qp *ib_qp;
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int access_rights;
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struct ib_fmr_attr attr;
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};
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struct nes_av;
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struct nes_cq {
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struct ib_cq ibcq;
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struct nes_hw_cq hw_cq;
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u32 polled_completions;
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u32 cq_mem_size;
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spinlock_t lock;
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u8 virtual_cq;
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u8 pad[3];
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u32 mcrqf;
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};
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struct nes_wq {
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spinlock_t lock;
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};
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struct disconn_work {
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struct work_struct work;
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struct nes_qp *nesqp;
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};
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struct iw_cm_id;
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struct ietf_mpa_frame;
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struct nes_qp {
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struct ib_qp ibqp;
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void *allocated_buffer;
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struct iw_cm_id *cm_id;
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struct nes_cq *nesscq;
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struct nes_cq *nesrcq;
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struct nes_pd *nespd;
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void *cm_node; /* handle of the node this QP is associated with */
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void *ietf_frame;
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u8 ietf_frame_size;
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dma_addr_t ietf_frame_pbase;
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struct ib_mr *lsmm_mr;
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struct nes_hw_qp hwqp;
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struct work_struct work;
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enum ib_qp_state ibqp_state;
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u32 iwarp_state;
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u32 hte_index;
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u32 last_aeq;
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u32 qp_mem_size;
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atomic_t refcount;
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atomic_t close_timer_started;
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u32 mmap_sq_db_index;
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u32 mmap_rq_db_index;
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spinlock_t lock;
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spinlock_t pau_lock;
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struct nes_qp_context *nesqp_context;
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dma_addr_t nesqp_context_pbase;
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void *pbl_vbase;
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dma_addr_t pbl_pbase;
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struct page *page;
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struct timer_list terminate_timer;
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enum ib_event_type terminate_eventtype;
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struct sk_buff_head pau_list;
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u32 pau_rcv_nxt;
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u16 active_conn:1;
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u16 skip_lsmm:1;
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u16 user_mode:1;
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u16 hte_added:1;
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u16 flush_issued:1;
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u16 destroyed:1;
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u16 sig_all:1;
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u16 pau_mode:1;
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u16 rsvd:8;
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u16 private_data_len;
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u16 term_sq_flush_code;
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u16 term_rq_flush_code;
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u8 hw_iwarp_state;
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u8 hw_tcp_state;
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u8 term_flags;
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u8 sq_kmapped;
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u8 pau_busy;
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u8 pau_pending;
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u8 pau_state;
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__u64 nesuqp_addr;
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struct completion sq_drained;
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struct completion rq_drained;
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};
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struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd,
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u64 addr, u64 size, int acc, u64 *iova_start);
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#endif /* NES_VERBS_H */
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