2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
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.
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
35 #include <linux/mlx4/cmd.h>
40 extern void __buggy_use_of_MLX4_GET(void);
41 extern void __buggy_use_of_MLX4_PUT(void);
43 #define MLX4_GET(dest, source, offset) \
45 void *__p = (char *) (source) + (offset); \
46 switch (sizeof (dest)) { \
47 case 1: (dest) = *(u8 *) __p; break; \
48 case 2: (dest) = be16_to_cpup(__p); break; \
49 case 4: (dest) = be32_to_cpup(__p); break; \
50 case 8: (dest) = be64_to_cpup(__p); break; \
51 default: __buggy_use_of_MLX4_GET(); \
55 #define MLX4_PUT(dest, source, offset) \
57 void *__d = ((char *) (dest) + (offset)); \
58 switch (sizeof(source)) { \
59 case 1: *(u8 *) __d = (source); break; \
60 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
61 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
62 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
63 default: __buggy_use_of_MLX4_PUT(); \
67 static void dump_dev_cap_flags(struct mlx4_dev
*dev
, u32 flags
)
69 static const char *fname
[] = {
70 [ 0] = "RC transport",
71 [ 1] = "UC transport",
72 [ 2] = "UD transport",
73 [ 3] = "SRC transport",
74 [ 4] = "reliable multicast",
75 [ 5] = "FCoIB support",
77 [ 7] = "IPoIB checksum offload",
78 [ 8] = "P_Key violation counter",
79 [ 9] = "Q_Key violation counter",
83 [18] = "Atomic ops support",
84 [19] = "Raw multicast support",
85 [20] = "Address vector port checking support",
86 [21] = "UD multicast support",
87 [24] = "Demand paging support",
88 [25] = "Router support"
92 mlx4_dbg(dev
, "DEV_CAP flags:\n");
93 for (i
= 0; i
< 32; ++i
)
94 if (fname
[i
] && (flags
& (1 << i
)))
95 mlx4_dbg(dev
, " %s\n", fname
[i
]);
98 int mlx4_QUERY_DEV_CAP(struct mlx4_dev
*dev
, struct mlx4_dev_cap
*dev_cap
)
100 struct mlx4_cmd_mailbox
*mailbox
;
107 #define QUERY_DEV_CAP_OUT_SIZE 0x100
108 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
109 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
110 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
111 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
112 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
113 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
114 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
115 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
116 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
117 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
118 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
119 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
120 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
121 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
122 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
123 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
124 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
125 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
126 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
127 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
128 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
129 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
130 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
131 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
132 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
133 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
134 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
135 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
136 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
137 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
138 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
139 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
140 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
141 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
142 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
143 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
144 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
145 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
146 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
147 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
148 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
149 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
150 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
151 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
152 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
153 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
154 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
155 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
156 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
157 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
158 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
159 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
160 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
161 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
162 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
163 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
164 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x97
165 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
166 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
168 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
170 return PTR_ERR(mailbox
);
171 outbox
= mailbox
->buf
;
173 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_DEV_CAP
,
174 MLX4_CMD_TIME_CLASS_A
);
179 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_QP_OFFSET
);
180 dev_cap
->reserved_qps
= 1 << (field
& 0xf);
181 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_OFFSET
);
182 dev_cap
->max_qps
= 1 << (field
& 0x1f);
183 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_SRQ_OFFSET
);
184 dev_cap
->reserved_srqs
= 1 << (field
>> 4);
185 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_OFFSET
);
186 dev_cap
->max_srqs
= 1 << (field
& 0x1f);
187 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET
);
188 dev_cap
->max_cq_sz
= 1 << field
;
189 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_CQ_OFFSET
);
190 dev_cap
->reserved_cqs
= 1 << (field
& 0xf);
191 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_CQ_OFFSET
);
192 dev_cap
->max_cqs
= 1 << (field
& 0x1f);
193 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MPT_OFFSET
);
194 dev_cap
->max_mpts
= 1 << (field
& 0x3f);
195 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_EQ_OFFSET
);
196 dev_cap
->reserved_eqs
= 1 << (field
& 0xf);
197 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_EQ_OFFSET
);
198 dev_cap
->max_eqs
= 1 << (field
& 0x7);
199 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MTT_OFFSET
);
200 dev_cap
->reserved_mtts
= 1 << (field
>> 4);
201 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET
);
202 dev_cap
->max_mrw_sz
= 1 << field
;
203 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MRW_OFFSET
);
204 dev_cap
->reserved_mrws
= 1 << (field
& 0xf);
205 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET
);
206 dev_cap
->max_mtt_seg
= 1 << (field
& 0x3f);
207 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET
);
208 dev_cap
->max_requester_per_qp
= 1 << (field
& 0x3f);
209 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RES_QP_OFFSET
);
210 dev_cap
->max_responder_per_qp
= 1 << (field
& 0x3f);
211 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_RDMA_OFFSET
);
212 dev_cap
->max_rdma_global
= 1 << (field
& 0x3f);
213 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_ACK_DELAY_OFFSET
);
214 dev_cap
->local_ca_ack_delay
= field
& 0x1f;
215 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MTU_WIDTH_OFFSET
);
216 dev_cap
->max_mtu
= field
>> 4;
217 dev_cap
->max_port_width
= field
& 0xf;
218 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_VL_PORT_OFFSET
);
219 dev_cap
->max_vl
= field
>> 4;
220 dev_cap
->num_ports
= field
& 0xf;
221 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_GID_OFFSET
);
222 dev_cap
->max_gids
= 1 << (field
& 0xf);
223 MLX4_GET(stat_rate
, outbox
, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET
);
224 dev_cap
->stat_rate_support
= stat_rate
;
225 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PKEY_OFFSET
);
226 dev_cap
->max_pkeys
= 1 << (field
& 0xf);
227 MLX4_GET(dev_cap
->flags
, outbox
, QUERY_DEV_CAP_FLAGS_OFFSET
);
228 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_UAR_OFFSET
);
229 dev_cap
->reserved_uars
= field
>> 4;
230 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_UAR_SZ_OFFSET
);
231 dev_cap
->uar_size
= 1 << ((field
& 0x3f) + 20);
232 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_PAGE_SZ_OFFSET
);
233 dev_cap
->min_page_sz
= 1 << field
;
235 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_BF_OFFSET
);
237 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET
);
238 dev_cap
->bf_reg_size
= 1 << (field
& 0x1f);
239 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET
);
240 dev_cap
->bf_regs_per_page
= 1 << (field
& 0x3f);
241 mlx4_dbg(dev
, "BlueFlame available (reg size %d, regs/page %d)\n",
242 dev_cap
->bf_reg_size
, dev_cap
->bf_regs_per_page
);
244 dev_cap
->bf_reg_size
= 0;
245 mlx4_dbg(dev
, "BlueFlame not available\n");
248 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET
);
249 dev_cap
->max_sq_sg
= field
;
250 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET
);
251 dev_cap
->max_sq_desc_sz
= size
;
253 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET
);
254 dev_cap
->max_qp_per_mcg
= 1 << field
;
255 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_MCG_OFFSET
);
256 dev_cap
->reserved_mgms
= field
& 0xf;
257 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_MCG_OFFSET
);
258 dev_cap
->max_mcgs
= 1 << field
;
259 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSVD_PD_OFFSET
);
260 dev_cap
->reserved_pds
= field
>> 4;
261 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_PD_OFFSET
);
262 dev_cap
->max_pds
= 1 << (field
& 0x3f);
264 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET
);
265 dev_cap
->rdmarc_entry_sz
= size
;
266 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET
);
267 dev_cap
->qpc_entry_sz
= size
;
268 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET
);
269 dev_cap
->aux_entry_sz
= size
;
270 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET
);
271 dev_cap
->altc_entry_sz
= size
;
272 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET
);
273 dev_cap
->eqc_entry_sz
= size
;
274 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET
);
275 dev_cap
->cqc_entry_sz
= size
;
276 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET
);
277 dev_cap
->srq_entry_sz
= size
;
278 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET
);
279 dev_cap
->cmpt_entry_sz
= size
;
280 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET
);
281 dev_cap
->mtt_entry_sz
= size
;
282 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET
);
283 dev_cap
->dmpt_entry_sz
= size
;
285 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET
);
286 dev_cap
->max_srq_sz
= 1 << field
;
287 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET
);
288 dev_cap
->max_qp_sz
= 1 << field
;
289 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_RSZ_SRQ_OFFSET
);
290 dev_cap
->resize_srq
= field
& 1;
291 MLX4_GET(field
, outbox
, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET
);
292 dev_cap
->max_rq_sg
= field
;
293 MLX4_GET(size
, outbox
, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET
);
294 dev_cap
->max_rq_desc_sz
= size
;
296 MLX4_GET(dev_cap
->bmme_flags
, outbox
,
297 QUERY_DEV_CAP_BMME_FLAGS_OFFSET
);
298 MLX4_GET(dev_cap
->reserved_lkey
, outbox
,
299 QUERY_DEV_CAP_RSVD_LKEY_OFFSET
);
300 MLX4_GET(dev_cap
->max_icm_sz
, outbox
,
301 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET
);
303 if (dev_cap
->bmme_flags
& 1)
304 mlx4_dbg(dev
, "Base MM extensions: yes "
305 "(flags %d, rsvd L_Key %08x)\n",
306 dev_cap
->bmme_flags
, dev_cap
->reserved_lkey
);
308 mlx4_dbg(dev
, "Base MM extensions: no\n");
311 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
312 * we can't use any EQs whose doorbell falls on that page,
313 * even if the EQ itself isn't reserved.
315 dev_cap
->reserved_eqs
= max(dev_cap
->reserved_uars
* 4,
316 dev_cap
->reserved_eqs
);
318 mlx4_dbg(dev
, "Max ICM size %lld MB\n",
319 (unsigned long long) dev_cap
->max_icm_sz
>> 20);
320 mlx4_dbg(dev
, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
321 dev_cap
->max_qps
, dev_cap
->reserved_qps
, dev_cap
->qpc_entry_sz
);
322 mlx4_dbg(dev
, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
323 dev_cap
->max_srqs
, dev_cap
->reserved_srqs
, dev_cap
->srq_entry_sz
);
324 mlx4_dbg(dev
, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
325 dev_cap
->max_cqs
, dev_cap
->reserved_cqs
, dev_cap
->cqc_entry_sz
);
326 mlx4_dbg(dev
, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
327 dev_cap
->max_eqs
, dev_cap
->reserved_eqs
, dev_cap
->eqc_entry_sz
);
328 mlx4_dbg(dev
, "reserved MPTs: %d, reserved MTTs: %d\n",
329 dev_cap
->reserved_mrws
, dev_cap
->reserved_mtts
);
330 mlx4_dbg(dev
, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
331 dev_cap
->max_pds
, dev_cap
->reserved_pds
, dev_cap
->reserved_uars
);
332 mlx4_dbg(dev
, "Max QP/MCG: %d, reserved MGMs: %d\n",
333 dev_cap
->max_pds
, dev_cap
->reserved_mgms
);
334 mlx4_dbg(dev
, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
335 dev_cap
->max_cq_sz
, dev_cap
->max_qp_sz
, dev_cap
->max_srq_sz
);
336 mlx4_dbg(dev
, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
337 dev_cap
->local_ca_ack_delay
, 128 << dev_cap
->max_mtu
,
338 dev_cap
->max_port_width
);
339 mlx4_dbg(dev
, "Max SQ desc size: %d, max SQ S/G: %d\n",
340 dev_cap
->max_sq_desc_sz
, dev_cap
->max_sq_sg
);
341 mlx4_dbg(dev
, "Max RQ desc size: %d, max RQ S/G: %d\n",
342 dev_cap
->max_rq_desc_sz
, dev_cap
->max_rq_sg
);
344 dump_dev_cap_flags(dev
, dev_cap
->flags
);
347 mlx4_free_cmd_mailbox(dev
, mailbox
);
351 int mlx4_map_cmd(struct mlx4_dev
*dev
, u16 op
, struct mlx4_icm
*icm
, u64 virt
)
353 struct mlx4_cmd_mailbox
*mailbox
;
354 struct mlx4_icm_iter iter
;
362 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
364 return PTR_ERR(mailbox
);
365 memset(mailbox
->buf
, 0, MLX4_MAILBOX_SIZE
);
366 pages
= mailbox
->buf
;
368 for (mlx4_icm_first(icm
, &iter
);
369 !mlx4_icm_last(&iter
);
370 mlx4_icm_next(&iter
)) {
372 * We have to pass pages that are aligned to their
373 * size, so find the least significant 1 in the
374 * address or size and use that as our log2 size.
376 lg
= ffs(mlx4_icm_addr(&iter
) | mlx4_icm_size(&iter
)) - 1;
377 if (lg
< MLX4_ICM_PAGE_SHIFT
) {
378 mlx4_warn(dev
, "Got FW area not aligned to %d (%llx/%lx).\n",
380 (unsigned long long) mlx4_icm_addr(&iter
),
381 mlx4_icm_size(&iter
));
386 for (i
= 0; i
< mlx4_icm_size(&iter
) >> lg
; ++i
) {
388 pages
[nent
* 2] = cpu_to_be64(virt
);
392 pages
[nent
* 2 + 1] =
393 cpu_to_be64((mlx4_icm_addr(&iter
) + (i
<< lg
)) |
394 (lg
- MLX4_ICM_PAGE_SHIFT
));
395 ts
+= 1 << (lg
- 10);
398 if (++nent
== MLX4_MAILBOX_SIZE
/ 16) {
399 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
400 MLX4_CMD_TIME_CLASS_B
);
409 err
= mlx4_cmd(dev
, mailbox
->dma
, nent
, 0, op
, MLX4_CMD_TIME_CLASS_B
);
414 case MLX4_CMD_MAP_FA
:
415 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for FW.\n", tc
, ts
);
417 case MLX4_CMD_MAP_ICM_AUX
:
418 mlx4_dbg(dev
, "Mapped %d chunks/%d KB for ICM aux.\n", tc
, ts
);
420 case MLX4_CMD_MAP_ICM
:
421 mlx4_dbg(dev
, "Mapped %d chunks/%d KB at %llx for ICM.\n",
422 tc
, ts
, (unsigned long long) virt
- (ts
<< 10));
427 mlx4_free_cmd_mailbox(dev
, mailbox
);
431 int mlx4_MAP_FA(struct mlx4_dev
*dev
, struct mlx4_icm
*icm
)
433 return mlx4_map_cmd(dev
, MLX4_CMD_MAP_FA
, icm
, -1);
436 int mlx4_UNMAP_FA(struct mlx4_dev
*dev
)
438 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_UNMAP_FA
, MLX4_CMD_TIME_CLASS_B
);
442 int mlx4_RUN_FW(struct mlx4_dev
*dev
)
444 return mlx4_cmd(dev
, 0, 0, 0, MLX4_CMD_RUN_FW
, MLX4_CMD_TIME_CLASS_A
);
447 int mlx4_QUERY_FW(struct mlx4_dev
*dev
)
449 struct mlx4_fw
*fw
= &mlx4_priv(dev
)->fw
;
450 struct mlx4_cmd
*cmd
= &mlx4_priv(dev
)->cmd
;
451 struct mlx4_cmd_mailbox
*mailbox
;
457 #define QUERY_FW_OUT_SIZE 0x100
458 #define QUERY_FW_VER_OFFSET 0x00
459 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
460 #define QUERY_FW_ERR_START_OFFSET 0x30
461 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
462 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
464 #define QUERY_FW_SIZE_OFFSET 0x00
465 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
466 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
468 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
470 return PTR_ERR(mailbox
);
471 outbox
= mailbox
->buf
;
473 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_FW
,
474 MLX4_CMD_TIME_CLASS_A
);
478 MLX4_GET(fw_ver
, outbox
, QUERY_FW_VER_OFFSET
);
480 * FW subminor version is at more signifant bits than minor
481 * version, so swap here.
483 dev
->caps
.fw_ver
= (fw_ver
& 0xffff00000000ull
) |
484 ((fw_ver
& 0xffff0000ull
) >> 16) |
485 ((fw_ver
& 0x0000ffffull
) << 16);
487 MLX4_GET(lg
, outbox
, QUERY_FW_MAX_CMD_OFFSET
);
488 cmd
->max_cmds
= 1 << lg
;
490 mlx4_dbg(dev
, "FW version %d.%d.%03d, max commands %d\n",
491 (int) (dev
->caps
.fw_ver
>> 32),
492 (int) (dev
->caps
.fw_ver
>> 16) & 0xffff,
493 (int) dev
->caps
.fw_ver
& 0xffff,
496 MLX4_GET(fw
->catas_offset
, outbox
, QUERY_FW_ERR_START_OFFSET
);
497 MLX4_GET(fw
->catas_size
, outbox
, QUERY_FW_ERR_SIZE_OFFSET
);
498 MLX4_GET(fw
->catas_bar
, outbox
, QUERY_FW_ERR_BAR_OFFSET
);
499 fw
->catas_bar
= (fw
->catas_bar
>> 6) * 2;
501 mlx4_dbg(dev
, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
502 (unsigned long long) fw
->catas_offset
, fw
->catas_size
, fw
->catas_bar
);
504 MLX4_GET(fw
->fw_pages
, outbox
, QUERY_FW_SIZE_OFFSET
);
505 MLX4_GET(fw
->clr_int_base
, outbox
, QUERY_FW_CLR_INT_BASE_OFFSET
);
506 MLX4_GET(fw
->clr_int_bar
, outbox
, QUERY_FW_CLR_INT_BAR_OFFSET
);
507 fw
->clr_int_bar
= (fw
->clr_int_bar
>> 6) * 2;
509 mlx4_dbg(dev
, "FW size %d KB\n", fw
->fw_pages
>> 2);
512 * Round up number of system pages needed in case
513 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
516 ALIGN(fw
->fw_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
517 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
519 mlx4_dbg(dev
, "Clear int @ %llx, BAR %d\n",
520 (unsigned long long) fw
->clr_int_base
, fw
->clr_int_bar
);
523 mlx4_free_cmd_mailbox(dev
, mailbox
);
527 static void get_board_id(void *vsd
, char *board_id
)
531 #define VSD_OFFSET_SIG1 0x00
532 #define VSD_OFFSET_SIG2 0xde
533 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
534 #define VSD_OFFSET_TS_BOARD_ID 0x20
536 #define VSD_SIGNATURE_TOPSPIN 0x5ad
538 memset(board_id
, 0, MLX4_BOARD_ID_LEN
);
540 if (be16_to_cpup(vsd
+ VSD_OFFSET_SIG1
) == VSD_SIGNATURE_TOPSPIN
&&
541 be16_to_cpup(vsd
+ VSD_OFFSET_SIG2
) == VSD_SIGNATURE_TOPSPIN
) {
542 strlcpy(board_id
, vsd
+ VSD_OFFSET_TS_BOARD_ID
, MLX4_BOARD_ID_LEN
);
545 * The board ID is a string but the firmware byte
546 * swaps each 4-byte word before passing it back to
547 * us. Therefore we need to swab it before printing.
549 for (i
= 0; i
< 4; ++i
)
550 ((u32
*) board_id
)[i
] =
551 swab32(*(u32
*) (vsd
+ VSD_OFFSET_MLX_BOARD_ID
+ i
* 4));
555 int mlx4_QUERY_ADAPTER(struct mlx4_dev
*dev
, struct mlx4_adapter
*adapter
)
557 struct mlx4_cmd_mailbox
*mailbox
;
561 #define QUERY_ADAPTER_OUT_SIZE 0x100
562 #define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00
563 #define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04
564 #define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
565 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
566 #define QUERY_ADAPTER_VSD_OFFSET 0x20
568 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
570 return PTR_ERR(mailbox
);
571 outbox
= mailbox
->buf
;
573 err
= mlx4_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, MLX4_CMD_QUERY_ADAPTER
,
574 MLX4_CMD_TIME_CLASS_A
);
578 MLX4_GET(adapter
->vendor_id
, outbox
, QUERY_ADAPTER_VENDOR_ID_OFFSET
);
579 MLX4_GET(adapter
->device_id
, outbox
, QUERY_ADAPTER_DEVICE_ID_OFFSET
);
580 MLX4_GET(adapter
->revision_id
, outbox
, QUERY_ADAPTER_REVISION_ID_OFFSET
);
581 MLX4_GET(adapter
->inta_pin
, outbox
, QUERY_ADAPTER_INTA_PIN_OFFSET
);
583 get_board_id(outbox
+ QUERY_ADAPTER_VSD_OFFSET
/ 4,
587 mlx4_free_cmd_mailbox(dev
, mailbox
);
591 int mlx4_INIT_HCA(struct mlx4_dev
*dev
, struct mlx4_init_hca_param
*param
)
593 struct mlx4_cmd_mailbox
*mailbox
;
597 #define INIT_HCA_IN_SIZE 0x200
598 #define INIT_HCA_VERSION_OFFSET 0x000
599 #define INIT_HCA_VERSION 2
600 #define INIT_HCA_FLAGS_OFFSET 0x014
601 #define INIT_HCA_QPC_OFFSET 0x020
602 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
603 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
604 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
605 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
606 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
607 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
608 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
609 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
610 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
611 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
612 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
613 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
614 #define INIT_HCA_MCAST_OFFSET 0x0c0
615 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
616 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
617 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
618 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
619 #define INIT_HCA_TPT_OFFSET 0x0f0
620 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
621 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
622 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
623 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
624 #define INIT_HCA_UAR_OFFSET 0x120
625 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
626 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
628 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
630 return PTR_ERR(mailbox
);
631 inbox
= mailbox
->buf
;
633 memset(inbox
, 0, INIT_HCA_IN_SIZE
);
635 *((u8
*) mailbox
->buf
+ INIT_HCA_VERSION_OFFSET
) = INIT_HCA_VERSION
;
637 #if defined(__LITTLE_ENDIAN)
638 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) &= ~cpu_to_be32(1 << 1);
639 #elif defined(__BIG_ENDIAN)
640 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 1);
642 #error Host endianness not defined
644 /* Check port for UD address vector: */
645 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1);
647 /* QPC/EEC/CQC/EQC/RDMARC attributes */
649 MLX4_PUT(inbox
, param
->qpc_base
, INIT_HCA_QPC_BASE_OFFSET
);
650 MLX4_PUT(inbox
, param
->log_num_qps
, INIT_HCA_LOG_QP_OFFSET
);
651 MLX4_PUT(inbox
, param
->srqc_base
, INIT_HCA_SRQC_BASE_OFFSET
);
652 MLX4_PUT(inbox
, param
->log_num_srqs
, INIT_HCA_LOG_SRQ_OFFSET
);
653 MLX4_PUT(inbox
, param
->cqc_base
, INIT_HCA_CQC_BASE_OFFSET
);
654 MLX4_PUT(inbox
, param
->log_num_cqs
, INIT_HCA_LOG_CQ_OFFSET
);
655 MLX4_PUT(inbox
, param
->altc_base
, INIT_HCA_ALTC_BASE_OFFSET
);
656 MLX4_PUT(inbox
, param
->auxc_base
, INIT_HCA_AUXC_BASE_OFFSET
);
657 MLX4_PUT(inbox
, param
->eqc_base
, INIT_HCA_EQC_BASE_OFFSET
);
658 MLX4_PUT(inbox
, param
->log_num_eqs
, INIT_HCA_LOG_EQ_OFFSET
);
659 MLX4_PUT(inbox
, param
->rdmarc_base
, INIT_HCA_RDMARC_BASE_OFFSET
);
660 MLX4_PUT(inbox
, param
->log_rd_per_qp
, INIT_HCA_LOG_RD_OFFSET
);
662 /* multicast attributes */
664 MLX4_PUT(inbox
, param
->mc_base
, INIT_HCA_MC_BASE_OFFSET
);
665 MLX4_PUT(inbox
, param
->log_mc_entry_sz
, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
666 MLX4_PUT(inbox
, param
->log_mc_hash_sz
, INIT_HCA_LOG_MC_HASH_SZ_OFFSET
);
667 MLX4_PUT(inbox
, param
->log_mc_table_sz
, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
671 MLX4_PUT(inbox
, param
->dmpt_base
, INIT_HCA_DMPT_BASE_OFFSET
);
672 MLX4_PUT(inbox
, param
->log_mpt_sz
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
673 MLX4_PUT(inbox
, param
->mtt_base
, INIT_HCA_MTT_BASE_OFFSET
);
674 MLX4_PUT(inbox
, param
->cmpt_base
, INIT_HCA_CMPT_BASE_OFFSET
);
678 MLX4_PUT(inbox
, (u8
) (PAGE_SHIFT
- 12), INIT_HCA_UAR_PAGE_SZ_OFFSET
);
679 MLX4_PUT(inbox
, param
->log_uar_sz
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
681 err
= mlx4_cmd(dev
, mailbox
->dma
, 0, 0, MLX4_CMD_INIT_HCA
, 1000);
684 mlx4_err(dev
, "INIT_HCA returns %d\n", err
);
686 mlx4_free_cmd_mailbox(dev
, mailbox
);
690 int mlx4_INIT_PORT(struct mlx4_dev
*dev
, struct mlx4_init_port_param
*param
, int port
)
692 struct mlx4_cmd_mailbox
*mailbox
;
697 #define INIT_PORT_IN_SIZE 256
698 #define INIT_PORT_FLAGS_OFFSET 0x00
699 #define INIT_PORT_FLAG_SIG (1 << 18)
700 #define INIT_PORT_FLAG_NG (1 << 17)
701 #define INIT_PORT_FLAG_G0 (1 << 16)
702 #define INIT_PORT_VL_SHIFT 4
703 #define INIT_PORT_PORT_WIDTH_SHIFT 8
704 #define INIT_PORT_MTU_OFFSET 0x04
705 #define INIT_PORT_MAX_GID_OFFSET 0x06
706 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
707 #define INIT_PORT_GUID0_OFFSET 0x10
708 #define INIT_PORT_NODE_GUID_OFFSET 0x18
709 #define INIT_PORT_SI_GUID_OFFSET 0x20
711 mailbox
= mlx4_alloc_cmd_mailbox(dev
);
713 return PTR_ERR(mailbox
);
714 inbox
= mailbox
->buf
;
716 memset(inbox
, 0, INIT_PORT_IN_SIZE
);
719 flags
|= param
->set_guid0
? INIT_PORT_FLAG_G0
: 0;
720 flags
|= param
->set_node_guid
? INIT_PORT_FLAG_NG
: 0;
721 flags
|= param
->set_si_guid
? INIT_PORT_FLAG_SIG
: 0;
722 flags
|= (param
->vl_cap
& 0xf) << INIT_PORT_VL_SHIFT
;
723 flags
|= (param
->port_width_cap
& 0xf) << INIT_PORT_PORT_WIDTH_SHIFT
;
724 MLX4_PUT(inbox
, flags
, INIT_PORT_FLAGS_OFFSET
);
726 MLX4_PUT(inbox
, param
->mtu
, INIT_PORT_MTU_OFFSET
);
727 MLX4_PUT(inbox
, param
->max_gid
, INIT_PORT_MAX_GID_OFFSET
);
728 MLX4_PUT(inbox
, param
->max_pkey
, INIT_PORT_MAX_PKEY_OFFSET
);
729 MLX4_PUT(inbox
, param
->guid0
, INIT_PORT_GUID0_OFFSET
);
730 MLX4_PUT(inbox
, param
->node_guid
, INIT_PORT_NODE_GUID_OFFSET
);
731 MLX4_PUT(inbox
, param
->si_guid
, INIT_PORT_SI_GUID_OFFSET
);
733 err
= mlx4_cmd(dev
, mailbox
->dma
, port
, 0, MLX4_CMD_INIT_PORT
,
734 MLX4_CMD_TIME_CLASS_A
);
736 mlx4_free_cmd_mailbox(dev
, mailbox
);
740 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT
);
742 int mlx4_CLOSE_PORT(struct mlx4_dev
*dev
, int port
)
744 return mlx4_cmd(dev
, 0, port
, 0, MLX4_CMD_CLOSE_PORT
, 1000);
746 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT
);
748 int mlx4_CLOSE_HCA(struct mlx4_dev
*dev
, int panic
)
750 return mlx4_cmd(dev
, 0, 0, panic
, MLX4_CMD_CLOSE_HCA
, 1000);
753 int mlx4_SET_ICM_SIZE(struct mlx4_dev
*dev
, u64 icm_size
, u64
*aux_pages
)
755 int ret
= mlx4_cmd_imm(dev
, icm_size
, aux_pages
, 0, 0,
756 MLX4_CMD_SET_ICM_SIZE
,
757 MLX4_CMD_TIME_CLASS_A
);
762 * Round up number of system pages needed in case
763 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
765 *aux_pages
= ALIGN(*aux_pages
, PAGE_SIZE
/ MLX4_ICM_PAGE_SIZE
) >>
766 (PAGE_SHIFT
- MLX4_ICM_PAGE_SHIFT
);
771 int mlx4_NOP(struct mlx4_dev
*dev
)
773 /* Input modifier of 0x1f means "finish as soon as possible." */
774 return mlx4_cmd(dev
, 0, 0x1f, 0, MLX4_CMD_NOP
, 100);