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