1 /*
2  *  IBM eServer eHCA Infiniband device driver for Linux on POWER
3  *
4  *  Firmware Infiniband Interface code for POWER
5  *
6  *  Authors: Christoph Raisch <raisch@de.ibm.com>
7  *           Hoang-Nam Nguyen <hnguyen@de.ibm.com>
8  *           Gerd Bayer <gerd.bayer@de.ibm.com>
9  *           Waleri Fomin <fomin@de.ibm.com>
10  *
11  *  Copyright (c) 2005 IBM Corporation
12  *
13  *  All rights reserved.
14  *
15  *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
16  *  BSD.
17  *
18  * OpenIB BSD License
19  *
20  * Redistribution and use in source and binary forms, with or without
21  * modification, are permitted provided that the following conditions are met:
22  *
23  * Redistributions of source code must retain the above copyright notice, this
24  * list of conditions and the following disclaimer.
25  *
26  * Redistributions in binary form must reproduce the above copyright notice,
27  * this list of conditions and the following disclaimer in the documentation
28  * and/or other materials
29  * provided with the distribution.
30  *
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
32  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
38  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
39  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGE.
42  */
43 
44 #ifndef __HCP_IF_H__
45 #define __HCP_IF_H__
46 
47 #include "ehca_classes.h"
48 #include "ehca_tools.h"
49 #include "hipz_hw.h"
50 
51 /*
52  * hipz_h_alloc_resource_eq allocates EQ resources in HW and FW, initialize
53  * resources, create the empty EQPT (ring).
54  */
55 u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle,
56 			     struct ehca_pfeq *pfeq,
57 			     const u32 neq_control,
58 			     const u32 number_of_entries,
59 			     struct ipz_eq_handle *eq_handle,
60 			     u32 * act_nr_of_entries,
61 			     u32 * act_pages,
62 			     u32 * eq_ist);
63 
64 u64 hipz_h_reset_event(const struct ipz_adapter_handle adapter_handle,
65 		       struct ipz_eq_handle eq_handle,
66 		       const u64 event_mask);
67 /*
68  * hipz_h_allocate_resource_cq allocates CQ resources in HW and FW, initialize
69  * resources, create the empty CQPT (ring).
70  */
71 u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
72 			     struct ehca_cq *cq,
73 			     struct ehca_alloc_cq_parms *param);
74 
75 
76 /*
77  * hipz_h_alloc_resource_qp allocates QP resources in HW and FW,
78  * initialize resources, create empty QPPTs (2 rings).
79  */
80 u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
81 			     struct ehca_alloc_qp_parms *parms, int is_user);
82 
83 u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
84 		      const u8 port_id,
85 		      struct hipz_query_port *query_port_response_block);
86 
87 u64 hipz_h_modify_port(const struct ipz_adapter_handle adapter_handle,
88 		       const u8 port_id, const u32 port_cap,
89 		       const u8 init_type, const int modify_mask);
90 
91 u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle,
92 		     struct hipz_query_hca *query_hca_rblock);
93 
94 /*
95  * hipz_h_register_rpage internal function in hcp_if.h for all
96  * hcp_H_REGISTER_RPAGE calls.
97  */
98 u64 hipz_h_register_rpage(const struct ipz_adapter_handle adapter_handle,
99 			  const u8 pagesize,
100 			  const u8 queue_type,
101 			  const u64 resource_handle,
102 			  const u64 logical_address_of_page,
103 			  u64 count);
104 
105 u64 hipz_h_register_rpage_eq(const struct ipz_adapter_handle adapter_handle,
106 			     const struct ipz_eq_handle eq_handle,
107 			     struct ehca_pfeq *pfeq,
108 			     const u8 pagesize,
109 			     const u8 queue_type,
110 			     const u64 logical_address_of_page,
111 			     const u64 count);
112 
113 u64 hipz_h_query_int_state(const struct ipz_adapter_handle
114 			   hcp_adapter_handle,
115 			   u32 ist);
116 
117 u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle,
118 			     const struct ipz_cq_handle cq_handle,
119 			     struct ehca_pfcq *pfcq,
120 			     const u8 pagesize,
121 			     const u8 queue_type,
122 			     const u64 logical_address_of_page,
123 			     const u64 count,
124 			     const struct h_galpa gal);
125 
126 u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle,
127 			     const struct ipz_qp_handle qp_handle,
128 			     struct ehca_pfqp *pfqp,
129 			     const u8 pagesize,
130 			     const u8 queue_type,
131 			     const u64 logical_address_of_page,
132 			     const u64 count,
133 			     const struct h_galpa galpa);
134 
135 u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle,
136 			       const struct ipz_qp_handle qp_handle,
137 			       struct ehca_pfqp *pfqp,
138 			       void **log_addr_next_sq_wqe_tb_processed,
139 			       void **log_addr_next_rq_wqe_tb_processed,
140 			       int dis_and_get_function_code);
141 enum hcall_sigt {
142 	HCALL_SIGT_NO_CQE = 0,
143 	HCALL_SIGT_BY_WQE = 1,
144 	HCALL_SIGT_EVERY = 2
145 };
146 
147 u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle,
148 		     const struct ipz_qp_handle qp_handle,
149 		     struct ehca_pfqp *pfqp,
150 		     const u64 update_mask,
151 		     struct hcp_modify_qp_control_block *mqpcb,
152 		     struct h_galpa gal);
153 
154 u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle,
155 		    const struct ipz_qp_handle qp_handle,
156 		    struct ehca_pfqp *pfqp,
157 		    struct hcp_modify_qp_control_block *qqpcb,
158 		    struct h_galpa gal);
159 
160 u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle,
161 		      struct ehca_qp *qp);
162 
163 u64 hipz_h_define_aqp0(const struct ipz_adapter_handle adapter_handle,
164 		       const struct ipz_qp_handle qp_handle,
165 		       struct h_galpa gal,
166 		       u32 port);
167 
168 u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle,
169 		       const struct ipz_qp_handle qp_handle,
170 		       struct h_galpa gal,
171 		       u32 port, u32 * pma_qp_nr,
172 		       u32 * bma_qp_nr);
173 
174 u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle,
175 		       const struct ipz_qp_handle qp_handle,
176 		       struct h_galpa gal,
177 		       u16 mcg_dlid,
178 		       u64 subnet_prefix, u64 interface_id);
179 
180 u64 hipz_h_detach_mcqp(const struct ipz_adapter_handle adapter_handle,
181 		       const struct ipz_qp_handle qp_handle,
182 		       struct h_galpa gal,
183 		       u16 mcg_dlid,
184 		       u64 subnet_prefix, u64 interface_id);
185 
186 u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle,
187 		      struct ehca_cq *cq,
188 		      u8 force_flag);
189 
190 u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle,
191 		      struct ehca_eq *eq);
192 
193 /*
194  * hipz_h_alloc_resource_mr allocates MR resources in HW and FW, initialize
195  * resources.
196  */
197 u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle,
198 			     const struct ehca_mr *mr,
199 			     const u64 vaddr,
200 			     const u64 length,
201 			     const u32 access_ctrl,
202 			     const struct ipz_pd pd,
203 			     struct ehca_mr_hipzout_parms *outparms);
204 
205 /* hipz_h_register_rpage_mr registers MR resource pages in HW and FW */
206 u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle,
207 			     const struct ehca_mr *mr,
208 			     const u8 pagesize,
209 			     const u8 queue_type,
210 			     const u64 logical_address_of_page,
211 			     const u64 count);
212 
213 /* hipz_h_query_mr queries MR in HW and FW */
214 u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle,
215 		    const struct ehca_mr *mr,
216 		    struct ehca_mr_hipzout_parms *outparms);
217 
218 /* hipz_h_free_resource_mr frees MR resources in HW and FW */
219 u64 hipz_h_free_resource_mr(const struct ipz_adapter_handle adapter_handle,
220 			    const struct ehca_mr *mr);
221 
222 /* hipz_h_reregister_pmr reregisters MR in HW and FW */
223 u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle,
224 			  const struct ehca_mr *mr,
225 			  const u64 vaddr_in,
226 			  const u64 length,
227 			  const u32 access_ctrl,
228 			  const struct ipz_pd pd,
229 			  const u64 mr_addr_cb,
230 			  struct ehca_mr_hipzout_parms *outparms);
231 
232 /* hipz_h_register_smr register shared MR in HW and FW */
233 u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle,
234 			const struct ehca_mr *mr,
235 			const struct ehca_mr *orig_mr,
236 			const u64 vaddr_in,
237 			const u32 access_ctrl,
238 			const struct ipz_pd pd,
239 			struct ehca_mr_hipzout_parms *outparms);
240 
241 /*
242  * hipz_h_alloc_resource_mw allocates MW resources in HW and FW, initialize
243  * resources.
244  */
245 u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle,
246 			     const struct ehca_mw *mw,
247 			     const struct ipz_pd pd,
248 			     struct ehca_mw_hipzout_parms *outparms);
249 
250 /* hipz_h_query_mw queries MW in HW and FW */
251 u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle,
252 		    const struct ehca_mw *mw,
253 		    struct ehca_mw_hipzout_parms *outparms);
254 
255 /* hipz_h_free_resource_mw frees MW resources in HW and FW */
256 u64 hipz_h_free_resource_mw(const struct ipz_adapter_handle adapter_handle,
257 			    const struct ehca_mw *mw);
258 
259 u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
260 		      const u64 ressource_handle,
261 		      void *rblock,
262 		      unsigned long *byte_count);
263 u64 hipz_h_eoi(int irq);
264 
265 #endif /* __HCP_IF_H__ */
266