1 /*
2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
3  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2006 Cisco Systems.  All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #ifndef MTHCA_CMD_H
36 #define MTHCA_CMD_H
37 
38 #include <rdma/ib_verbs.h>
39 
40 #define MTHCA_MAILBOX_SIZE 4096
41 
42 enum {
43 	/* command completed successfully: */
44 	MTHCA_CMD_STAT_OK 	      = 0x00,
45 	/* Internal error (such as a bus error) occurred while processing command: */
46 	MTHCA_CMD_STAT_INTERNAL_ERR   = 0x01,
47 	/* Operation/command not supported or opcode modifier not supported: */
48 	MTHCA_CMD_STAT_BAD_OP 	      = 0x02,
49 	/* Parameter not supported or parameter out of range: */
50 	MTHCA_CMD_STAT_BAD_PARAM      = 0x03,
51 	/* System not enabled or bad system state: */
52 	MTHCA_CMD_STAT_BAD_SYS_STATE  = 0x04,
53 	/* Attempt to access reserved or unallocaterd resource: */
54 	MTHCA_CMD_STAT_BAD_RESOURCE   = 0x05,
55 	/* Requested resource is currently executing a command, or is otherwise busy: */
56 	MTHCA_CMD_STAT_RESOURCE_BUSY  = 0x06,
57 	/* memory error: */
58 	MTHCA_CMD_STAT_DDR_MEM_ERR    = 0x07,
59 	/* Required capability exceeds device limits: */
60 	MTHCA_CMD_STAT_EXCEED_LIM     = 0x08,
61 	/* Resource is not in the appropriate state or ownership: */
62 	MTHCA_CMD_STAT_BAD_RES_STATE  = 0x09,
63 	/* Index out of range: */
64 	MTHCA_CMD_STAT_BAD_INDEX      = 0x0a,
65 	/* FW image corrupted: */
66 	MTHCA_CMD_STAT_BAD_NVMEM      = 0x0b,
67 	/* Attempt to modify a QP/EE which is not in the presumed state: */
68 	MTHCA_CMD_STAT_BAD_QPEE_STATE = 0x10,
69 	/* Bad segment parameters (Address/Size): */
70 	MTHCA_CMD_STAT_BAD_SEG_PARAM  = 0x20,
71 	/* Memory Region has Memory Windows bound to: */
72 	MTHCA_CMD_STAT_REG_BOUND      = 0x21,
73 	/* HCA local attached memory not present: */
74 	MTHCA_CMD_STAT_LAM_NOT_PRE    = 0x22,
75 	/* Bad management packet (silently discarded): */
76 	MTHCA_CMD_STAT_BAD_PKT 	      = 0x30,
77 	/* More outstanding CQEs in CQ than new CQ size: */
78 	MTHCA_CMD_STAT_BAD_SIZE       = 0x40
79 };
80 
81 enum {
82 	MTHCA_TRANS_INVALID = 0,
83 	MTHCA_TRANS_RST2INIT,
84 	MTHCA_TRANS_INIT2INIT,
85 	MTHCA_TRANS_INIT2RTR,
86 	MTHCA_TRANS_RTR2RTS,
87 	MTHCA_TRANS_RTS2RTS,
88 	MTHCA_TRANS_SQERR2RTS,
89 	MTHCA_TRANS_ANY2ERR,
90 	MTHCA_TRANS_RTS2SQD,
91 	MTHCA_TRANS_SQD2SQD,
92 	MTHCA_TRANS_SQD2RTS,
93 	MTHCA_TRANS_ANY2RST,
94 };
95 
96 enum {
97 	DEV_LIM_FLAG_RC                 = 1 << 0,
98 	DEV_LIM_FLAG_UC                 = 1 << 1,
99 	DEV_LIM_FLAG_UD                 = 1 << 2,
100 	DEV_LIM_FLAG_RD                 = 1 << 3,
101 	DEV_LIM_FLAG_RAW_IPV6           = 1 << 4,
102 	DEV_LIM_FLAG_RAW_ETHER          = 1 << 5,
103 	DEV_LIM_FLAG_SRQ                = 1 << 6,
104 	DEV_LIM_FLAG_IPOIB_CSUM		= 1 << 7,
105 	DEV_LIM_FLAG_BAD_PKEY_CNTR      = 1 << 8,
106 	DEV_LIM_FLAG_BAD_QKEY_CNTR      = 1 << 9,
107 	DEV_LIM_FLAG_MW                 = 1 << 16,
108 	DEV_LIM_FLAG_AUTO_PATH_MIG      = 1 << 17,
109 	DEV_LIM_FLAG_ATOMIC             = 1 << 18,
110 	DEV_LIM_FLAG_RAW_MULTI          = 1 << 19,
111 	DEV_LIM_FLAG_UD_AV_PORT_ENFORCE = 1 << 20,
112 	DEV_LIM_FLAG_UD_MULTI           = 1 << 21,
113 };
114 
115 struct mthca_mailbox {
116 	dma_addr_t dma;
117 	void      *buf;
118 };
119 
120 struct mthca_dev_lim {
121 	int max_srq_sz;
122 	int max_qp_sz;
123 	int reserved_qps;
124 	int max_qps;
125 	int reserved_srqs;
126 	int max_srqs;
127 	int reserved_eecs;
128 	int max_eecs;
129 	int max_cq_sz;
130 	int reserved_cqs;
131 	int max_cqs;
132 	int max_mpts;
133 	int reserved_eqs;
134 	int max_eqs;
135 	int reserved_mtts;
136 	int max_mrw_sz;
137 	int reserved_mrws;
138 	int max_mtt_seg;
139 	int max_requester_per_qp;
140 	int max_responder_per_qp;
141 	int max_rdma_global;
142 	int local_ca_ack_delay;
143 	int max_mtu;
144 	int max_port_width;
145 	int max_vl;
146 	int num_ports;
147 	int max_gids;
148 	u16 stat_rate_support;
149 	int max_pkeys;
150 	u32 flags;
151 	int reserved_uars;
152 	int uar_size;
153 	int min_page_sz;
154 	int max_sg;
155 	int max_desc_sz;
156 	int max_qp_per_mcg;
157 	int reserved_mgms;
158 	int max_mcgs;
159 	int reserved_pds;
160 	int max_pds;
161 	int reserved_rdds;
162 	int max_rdds;
163 	int eec_entry_sz;
164 	int qpc_entry_sz;
165 	int eeec_entry_sz;
166 	int eqpc_entry_sz;
167 	int eqc_entry_sz;
168 	int cqc_entry_sz;
169 	int srq_entry_sz;
170 	int uar_scratch_entry_sz;
171 	int mpt_entry_sz;
172 	union {
173 		struct {
174 			int max_avs;
175 		} tavor;
176 		struct {
177 			int resize_srq;
178 			int max_pbl_sz;
179 			u8  bmme_flags;
180 			u32 reserved_lkey;
181 			int lam_required;
182 			u64 max_icm_sz;
183 		} arbel;
184 	} hca;
185 };
186 
187 struct mthca_adapter {
188 	u32  vendor_id;
189 	u32  device_id;
190 	u32  revision_id;
191 	char board_id[MTHCA_BOARD_ID_LEN];
192 	u8   inta_pin;
193 };
194 
195 struct mthca_init_hca_param {
196 	u64 qpc_base;
197 	u64 eec_base;
198 	u64 srqc_base;
199 	u64 cqc_base;
200 	u64 eqpc_base;
201 	u64 eeec_base;
202 	u64 eqc_base;
203 	u64 rdb_base;
204 	u64 mc_base;
205 	u64 mpt_base;
206 	u64 mtt_base;
207 	u64 uar_scratch_base;
208 	u64 uarc_base;
209 	u16 log_mc_entry_sz;
210 	u16 mc_hash_sz;
211 	u8  log_num_qps;
212 	u8  log_num_eecs;
213 	u8  log_num_srqs;
214 	u8  log_num_cqs;
215 	u8  log_num_eqs;
216 	u8  log_mc_table_sz;
217 	u8  mtt_seg_sz;
218 	u8  log_mpt_sz;
219 	u8  log_uar_sz;
220 	u8  log_uarc_sz;
221 };
222 
223 struct mthca_init_ib_param {
224 	int port_width;
225 	int vl_cap;
226 	int mtu_cap;
227 	u16 gid_cap;
228 	u16 pkey_cap;
229 	int set_guid0;
230 	u64 guid0;
231 	int set_node_guid;
232 	u64 node_guid;
233 	int set_si_guid;
234 	u64 si_guid;
235 };
236 
237 struct mthca_set_ib_param {
238 	int set_si_guid;
239 	int reset_qkey_viol;
240 	u64 si_guid;
241 	u32 cap_mask;
242 };
243 
244 int mthca_cmd_init(struct mthca_dev *dev);
245 void mthca_cmd_cleanup(struct mthca_dev *dev);
246 int mthca_cmd_use_events(struct mthca_dev *dev);
247 void mthca_cmd_use_polling(struct mthca_dev *dev);
248 void mthca_cmd_event(struct mthca_dev *dev, u16 token,
249 		     u8  status, u64 out_param);
250 
251 struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,
252 					  gfp_t gfp_mask);
253 void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox);
254 
255 int mthca_SYS_EN(struct mthca_dev *dev);
256 int mthca_SYS_DIS(struct mthca_dev *dev);
257 int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm);
258 int mthca_UNMAP_FA(struct mthca_dev *dev);
259 int mthca_RUN_FW(struct mthca_dev *dev);
260 int mthca_QUERY_FW(struct mthca_dev *dev);
261 int mthca_ENABLE_LAM(struct mthca_dev *dev);
262 int mthca_DISABLE_LAM(struct mthca_dev *dev);
263 int mthca_QUERY_DDR(struct mthca_dev *dev);
264 int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
265 			struct mthca_dev_lim *dev_lim);
266 int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
267 			struct mthca_adapter *adapter);
268 int mthca_INIT_HCA(struct mthca_dev *dev,
269 		   struct mthca_init_hca_param *param);
270 int mthca_INIT_IB(struct mthca_dev *dev,
271 		  struct mthca_init_ib_param *param,
272 		  int port);
273 int mthca_CLOSE_IB(struct mthca_dev *dev, int port);
274 int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic);
275 int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,
276 		 int port);
277 int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt);
278 int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt);
279 int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count);
280 int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm);
281 int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev);
282 int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages);
283 int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
284 		    int mpt_index);
285 int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
286 		    int mpt_index);
287 int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
288 		    int num_mtt);
289 int mthca_SYNC_TPT(struct mthca_dev *dev);
290 int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap,
291 		 int eq_num);
292 int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
293 		   int eq_num);
294 int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
295 		   int eq_num);
296 int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
297 		   int cq_num);
298 int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
299 		   int cq_num);
300 int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size);
301 int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
302 		    int srq_num);
303 int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
304 		    int srq_num);
305 int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num,
306 		    struct mthca_mailbox *mailbox);
307 int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit);
308 int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,
309 		    enum ib_qp_state next, u32 num, int is_ee,
310 		    struct mthca_mailbox *mailbox, u32 optmask);
311 int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee,
312 		   struct mthca_mailbox *mailbox);
313 int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn);
314 int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,
315 		  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
316 		  void *in_mad, void *response_mad);
317 int mthca_READ_MGM(struct mthca_dev *dev, int index,
318 		   struct mthca_mailbox *mailbox);
319 int mthca_WRITE_MGM(struct mthca_dev *dev, int index,
320 		    struct mthca_mailbox *mailbox);
321 int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
322 		    u16 *hash);
323 int mthca_NOP(struct mthca_dev *dev);
324 
325 #endif /* MTHCA_CMD_H */
326