2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
4 * Function definitions for internal functions
6 * Authors: Heiko J Schick <schickhj@de.ibm.com>
7 * Dietmar Decker <ddecker@de.ibm.com>
9 * Copyright (c) 2005 IBM Corporation
11 * All rights reserved.
13 * This source code is distributed under a dual license of GPL v2.0 and OpenIB
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are met:
21 * Redistributions of source code must retain the above copyright notice, this
22 * list of conditions and the following disclaimer.
24 * Redistributions in binary form must reproduce the above copyright notice,
25 * this list of conditions and the following disclaimer in the documentation
26 * and/or other materials
27 * provided with the distribution.
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
36 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
37 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
42 #ifndef __EHCA_IVERBS_H__
43 #define __EHCA_IVERBS_H__
45 #include "ehca_classes.h"
47 int ehca_query_device(struct ib_device
*ibdev
, struct ib_device_attr
*props
);
49 int ehca_query_port(struct ib_device
*ibdev
, u8 port
,
50 struct ib_port_attr
*props
);
52 int ehca_query_sma_attr(struct ehca_shca
*shca
, u8 port
,
53 struct ehca_sma_attr
*attr
);
55 int ehca_query_pkey(struct ib_device
*ibdev
, u8 port
, u16 index
, u16
* pkey
);
57 int ehca_query_gid(struct ib_device
*ibdev
, u8 port
, int index
,
60 int ehca_modify_port(struct ib_device
*ibdev
, u8 port
, int port_modify_mask
,
61 struct ib_port_modify
*props
);
63 struct ib_pd
*ehca_alloc_pd(struct ib_device
*device
,
64 struct ib_ucontext
*context
,
65 struct ib_udata
*udata
);
67 int ehca_dealloc_pd(struct ib_pd
*pd
);
69 struct ib_ah
*ehca_create_ah(struct ib_pd
*pd
, struct ib_ah_attr
*ah_attr
);
71 int ehca_modify_ah(struct ib_ah
*ah
, struct ib_ah_attr
*ah_attr
);
73 int ehca_query_ah(struct ib_ah
*ah
, struct ib_ah_attr
*ah_attr
);
75 int ehca_destroy_ah(struct ib_ah
*ah
);
77 struct ib_mr
*ehca_get_dma_mr(struct ib_pd
*pd
, int mr_access_flags
);
79 struct ib_mr
*ehca_reg_phys_mr(struct ib_pd
*pd
,
80 struct ib_phys_buf
*phys_buf_array
,
82 int mr_access_flags
, u64
*iova_start
);
84 struct ib_mr
*ehca_reg_user_mr(struct ib_pd
*pd
, u64 start
, u64 length
, u64 virt
,
85 int mr_access_flags
, struct ib_udata
*udata
);
87 int ehca_rereg_phys_mr(struct ib_mr
*mr
,
90 struct ib_phys_buf
*phys_buf_array
,
91 int num_phys_buf
, int mr_access_flags
, u64
*iova_start
);
93 int ehca_query_mr(struct ib_mr
*mr
, struct ib_mr_attr
*mr_attr
);
95 int ehca_dereg_mr(struct ib_mr
*mr
);
97 struct ib_mw
*ehca_alloc_mw(struct ib_pd
*pd
);
99 int ehca_bind_mw(struct ib_qp
*qp
, struct ib_mw
*mw
,
100 struct ib_mw_bind
*mw_bind
);
102 int ehca_dealloc_mw(struct ib_mw
*mw
);
104 struct ib_fmr
*ehca_alloc_fmr(struct ib_pd
*pd
,
106 struct ib_fmr_attr
*fmr_attr
);
108 int ehca_map_phys_fmr(struct ib_fmr
*fmr
,
109 u64
*page_list
, int list_len
, u64 iova
);
111 int ehca_unmap_fmr(struct list_head
*fmr_list
);
113 int ehca_dealloc_fmr(struct ib_fmr
*fmr
);
116 EHCA_EQ
= 0, /* Event Queue */
117 EHCA_NEQ
/* Notification Event Queue */
120 int ehca_create_eq(struct ehca_shca
*shca
, struct ehca_eq
*eq
,
121 enum ehca_eq_type type
, const u32 length
);
123 int ehca_destroy_eq(struct ehca_shca
*shca
, struct ehca_eq
*eq
);
125 void *ehca_poll_eq(struct ehca_shca
*shca
, struct ehca_eq
*eq
);
128 struct ib_cq
*ehca_create_cq(struct ib_device
*device
, int cqe
, int comp_vector
,
129 struct ib_ucontext
*context
,
130 struct ib_udata
*udata
);
132 int ehca_destroy_cq(struct ib_cq
*cq
);
134 int ehca_resize_cq(struct ib_cq
*cq
, int cqe
, struct ib_udata
*udata
);
136 int ehca_poll_cq(struct ib_cq
*cq
, int num_entries
, struct ib_wc
*wc
);
138 int ehca_peek_cq(struct ib_cq
*cq
, int wc_cnt
);
140 int ehca_req_notify_cq(struct ib_cq
*cq
, enum ib_cq_notify_flags notify_flags
);
142 struct ib_qp
*ehca_create_qp(struct ib_pd
*pd
,
143 struct ib_qp_init_attr
*init_attr
,
144 struct ib_udata
*udata
);
146 int ehca_destroy_qp(struct ib_qp
*qp
);
148 int ehca_modify_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*attr
, int attr_mask
,
149 struct ib_udata
*udata
);
151 int ehca_query_qp(struct ib_qp
*qp
, struct ib_qp_attr
*qp_attr
,
152 int qp_attr_mask
, struct ib_qp_init_attr
*qp_init_attr
);
154 int ehca_post_send(struct ib_qp
*qp
, struct ib_send_wr
*send_wr
,
155 struct ib_send_wr
**bad_send_wr
);
157 int ehca_post_recv(struct ib_qp
*qp
, struct ib_recv_wr
*recv_wr
,
158 struct ib_recv_wr
**bad_recv_wr
);
160 int ehca_post_srq_recv(struct ib_srq
*srq
,
161 struct ib_recv_wr
*recv_wr
,
162 struct ib_recv_wr
**bad_recv_wr
);
164 struct ib_srq
*ehca_create_srq(struct ib_pd
*pd
,
165 struct ib_srq_init_attr
*init_attr
,
166 struct ib_udata
*udata
);
168 int ehca_modify_srq(struct ib_srq
*srq
, struct ib_srq_attr
*attr
,
169 enum ib_srq_attr_mask attr_mask
, struct ib_udata
*udata
);
171 int ehca_query_srq(struct ib_srq
*srq
, struct ib_srq_attr
*srq_attr
);
173 int ehca_destroy_srq(struct ib_srq
*srq
);
175 u64
ehca_define_sqp(struct ehca_shca
*shca
, struct ehca_qp
*ibqp
,
176 struct ib_qp_init_attr
*qp_init_attr
);
178 int ehca_attach_mcast(struct ib_qp
*qp
, union ib_gid
*gid
, u16 lid
);
180 int ehca_detach_mcast(struct ib_qp
*qp
, union ib_gid
*gid
, u16 lid
);
182 struct ib_ucontext
*ehca_alloc_ucontext(struct ib_device
*device
,
183 struct ib_udata
*udata
);
185 int ehca_dealloc_ucontext(struct ib_ucontext
*context
);
187 int ehca_mmap(struct ib_ucontext
*context
, struct vm_area_struct
*vma
);
189 void ehca_poll_eqs(unsigned long data
);
191 #ifdef CONFIG_PPC_64K_PAGES
192 void *ehca_alloc_fw_ctrlblock(gfp_t flags
);
193 void ehca_free_fw_ctrlblock(void *ptr
);
195 #define ehca_alloc_fw_ctrlblock(flags) ((void *) get_zeroed_page(flags))
196 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))