2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006, 2007, 2008 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>
36 #include <linux/cache.h>
42 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
43 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
44 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
47 extern void __buggy_use_of_MLX4_GET(void);
48 extern void __buggy_use_of_MLX4_PUT(void);
50 static int enable_qos;
51 module_param(enable_qos, bool, 0444);
52 MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)");
54 #define MLX4_GET(dest, source, offset) \
56 void *__p = (char *) (source) + (offset); \
57 switch (sizeof (dest)) { \
58 case 1: (dest) = *(u8 *) __p; break; \
59 case 2: (dest) = be16_to_cpup(__p); break; \
60 case 4: (dest) = be32_to_cpup(__p); break; \
61 case 8: (dest) = be64_to_cpup(__p); break; \
62 default: __buggy_use_of_MLX4_GET(); \
66 #define MLX4_PUT(dest, source, offset) \
68 void *__d = ((char *) (dest) + (offset)); \
69 switch (sizeof(source)) { \
70 case 1: *(u8 *) __d = (source); break; \
71 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
72 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
73 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
74 default: __buggy_use_of_MLX4_PUT(); \
78 static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
80 static const char *fname[] = {
81 [ 0] = "RC transport",
82 [ 1] = "UC transport",
83 [ 2] = "UD transport",
84 [ 3] = "XRC transport",
85 [ 4] = "reliable multicast",
86 [ 5] = "FCoIB support",
88 [ 7] = "IPoIB checksum offload",
89 [ 8] = "P_Key violation counter",
90 [ 9] = "Q_Key violation counter",
93 [15] = "Big LSO headers",
96 [18] = "Atomic ops support",
97 [19] = "Raw multicast support",
98 [20] = "Address vector port checking support",
99 [21] = "UD multicast support",
100 [24] = "Demand paging support",
101 [25] = "Router support",
102 [30] = "IBoE support"
106 mlx4_dbg(dev, "DEV_CAP flags:\n");
107 for (i = 0; i < ARRAY_SIZE(fname); ++i)
108 if (fname[i] && (flags & (1 << i)))
109 mlx4_dbg(dev, " %s\n", fname[i]);
112 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
114 struct mlx4_cmd_mailbox *mailbox;
118 #define MOD_STAT_CFG_IN_SIZE 0x100
120 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
121 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
123 mailbox = mlx4_alloc_cmd_mailbox(dev);
125 return PTR_ERR(mailbox);
126 inbox = mailbox->buf;
128 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
130 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
131 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
133 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
134 MLX4_CMD_TIME_CLASS_A);
136 mlx4_free_cmd_mailbox(dev, mailbox);
140 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
142 struct mlx4_cmd_mailbox *mailbox;
151 #define QUERY_DEV_CAP_OUT_SIZE 0x100
152 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
153 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
154 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
155 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
156 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
157 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
158 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
159 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
160 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
161 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
162 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
163 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
164 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
165 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
166 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
167 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
168 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
169 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
170 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
171 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
172 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
173 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
174 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
175 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
176 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
177 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
178 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
179 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
180 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
181 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
182 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
183 #define QUERY_DEV_CAP_UDP_RSS_OFFSET 0x42
184 #define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET 0x43
185 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
186 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
187 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
188 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
189 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
190 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
191 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
192 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
193 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
194 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
195 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
196 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
197 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
198 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
199 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
200 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
201 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
202 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
203 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
204 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
205 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
206 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
207 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
208 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
209 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
210 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
211 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
212 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
213 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
214 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
216 mailbox = mlx4_alloc_cmd_mailbox(dev);
218 return PTR_ERR(mailbox);
219 outbox = mailbox->buf;
221 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
222 MLX4_CMD_TIME_CLASS_A);
226 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
227 dev_cap->reserved_qps = 1 << (field & 0xf);
228 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
229 dev_cap->max_qps = 1 << (field & 0x1f);
230 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
231 dev_cap->reserved_srqs = 1 << (field >> 4);
232 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
233 dev_cap->max_srqs = 1 << (field & 0x1f);
234 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
235 dev_cap->max_cq_sz = 1 << field;
236 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
237 dev_cap->reserved_cqs = 1 << (field & 0xf);
238 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
239 dev_cap->max_cqs = 1 << (field & 0x1f);
240 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
241 dev_cap->max_mpts = 1 << (field & 0x3f);
242 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
243 dev_cap->reserved_eqs = field & 0xf;
244 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
245 dev_cap->max_eqs = 1 << (field & 0xf);
246 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
247 dev_cap->reserved_mtts = 1 << (field >> 4);
248 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
249 dev_cap->max_mrw_sz = 1 << field;
250 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
251 dev_cap->reserved_mrws = 1 << (field & 0xf);
252 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
253 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
254 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
255 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
256 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
257 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
258 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
261 dev_cap->max_gso_sz = 0;
263 dev_cap->max_gso_sz = 1 << field;
265 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
266 dev_cap->max_rdma_global = 1 << (field & 0x3f);
267 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
268 dev_cap->local_ca_ack_delay = field & 0x1f;
269 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
270 dev_cap->num_ports = field & 0xf;
271 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
272 dev_cap->max_msg_sz = 1 << (field & 0x1f);
273 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
274 dev_cap->stat_rate_support = stat_rate;
275 MLX4_GET(field, outbox, QUERY_DEV_CAP_UDP_RSS_OFFSET);
276 dev_cap->udp_rss = field & 0x1;
277 MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
278 dev_cap->loopback_support = field & 0x1;
279 MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
280 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
281 dev_cap->reserved_uars = field >> 4;
282 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
283 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
284 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
285 dev_cap->min_page_sz = 1 << field;
287 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
289 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
290 dev_cap->bf_reg_size = 1 << (field & 0x1f);
291 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
292 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
294 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
295 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
296 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
298 dev_cap->bf_reg_size = 0;
299 mlx4_dbg(dev, "BlueFlame not available\n");
302 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
303 dev_cap->max_sq_sg = field;
304 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
305 dev_cap->max_sq_desc_sz = size;
307 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
308 dev_cap->max_qp_per_mcg = 1 << field;
309 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
310 dev_cap->reserved_mgms = field & 0xf;
311 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
312 dev_cap->max_mcgs = 1 << field;
313 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
314 dev_cap->reserved_pds = field >> 4;
315 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
316 dev_cap->max_pds = 1 << (field & 0x3f);
318 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
319 dev_cap->rdmarc_entry_sz = size;
320 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
321 dev_cap->qpc_entry_sz = size;
322 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
323 dev_cap->aux_entry_sz = size;
324 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
325 dev_cap->altc_entry_sz = size;
326 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
327 dev_cap->eqc_entry_sz = size;
328 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
329 dev_cap->cqc_entry_sz = size;
330 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
331 dev_cap->srq_entry_sz = size;
332 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
333 dev_cap->cmpt_entry_sz = size;
334 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
335 dev_cap->mtt_entry_sz = size;
336 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
337 dev_cap->dmpt_entry_sz = size;
339 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
340 dev_cap->max_srq_sz = 1 << field;
341 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
342 dev_cap->max_qp_sz = 1 << field;
343 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
344 dev_cap->resize_srq = field & 1;
345 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
346 dev_cap->max_rq_sg = field;
347 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
348 dev_cap->max_rq_desc_sz = size;
350 MLX4_GET(dev_cap->bmme_flags, outbox,
351 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
352 MLX4_GET(dev_cap->reserved_lkey, outbox,
353 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
354 MLX4_GET(dev_cap->max_icm_sz, outbox,
355 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
357 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
358 for (i = 1; i <= dev_cap->num_ports; ++i) {
359 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
360 dev_cap->max_vl[i] = field >> 4;
361 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
362 dev_cap->ib_mtu[i] = field >> 4;
363 dev_cap->max_port_width[i] = field & 0xf;
364 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
365 dev_cap->max_gids[i] = 1 << (field & 0xf);
366 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
367 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
370 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
371 #define QUERY_PORT_MTU_OFFSET 0x01
372 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
373 #define QUERY_PORT_WIDTH_OFFSET 0x06
374 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
375 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
376 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
377 #define QUERY_PORT_MAC_OFFSET 0x10
378 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
379 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
380 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
382 for (i = 1; i <= dev_cap->num_ports; ++i) {
383 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
384 MLX4_CMD_TIME_CLASS_B);
388 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
389 dev_cap->supported_port_types[i] = field & 3;
390 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
391 dev_cap->ib_mtu[i] = field & 0xf;
392 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
393 dev_cap->max_port_width[i] = field & 0xf;
394 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
395 dev_cap->max_gids[i] = 1 << (field >> 4);
396 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
397 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
398 dev_cap->max_vl[i] = field & 0xf;
399 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
400 dev_cap->log_max_macs[i] = field & 0xf;
401 dev_cap->log_max_vlans[i] = field >> 4;
402 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
403 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
404 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
405 dev_cap->trans_type[i] = field32 >> 24;
406 dev_cap->vendor_oui[i] = field32 & 0xffffff;
407 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
408 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
412 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
413 dev_cap->bmme_flags, dev_cap->reserved_lkey);
416 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
417 * we can't use any EQs whose doorbell falls on that page,
418 * even if the EQ itself isn't reserved.
420 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
421 dev_cap->reserved_eqs);
423 mlx4_dbg(dev, "Max ICM size %lld MB\n",
424 (unsigned long long) dev_cap->max_icm_sz >> 20);
425 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
426 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
427 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
428 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
429 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
430 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
431 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
432 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
433 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
434 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
435 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
436 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
437 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
438 dev_cap->max_pds, dev_cap->reserved_mgms);
439 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
440 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
441 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
442 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
443 dev_cap->max_port_width[1]);
444 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
445 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
446 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
447 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
448 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
450 dump_dev_cap_flags(dev, dev_cap->flags);
453 mlx4_free_cmd_mailbox(dev, mailbox);
457 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
459 struct mlx4_cmd_mailbox *mailbox;
460 struct mlx4_icm_iter iter;
468 mailbox = mlx4_alloc_cmd_mailbox(dev);
470 return PTR_ERR(mailbox);
471 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
472 pages = mailbox->buf;
474 for (mlx4_icm_first(icm, &iter);
475 !mlx4_icm_last(&iter);
476 mlx4_icm_next(&iter)) {
478 * We have to pass pages that are aligned to their
479 * size, so find the least significant 1 in the
480 * address or size and use that as our log2 size.
482 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
483 if (lg < MLX4_ICM_PAGE_SHIFT) {
484 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
486 (unsigned long long) mlx4_icm_addr(&iter),
487 mlx4_icm_size(&iter));
492 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
494 pages[nent * 2] = cpu_to_be64(virt);
498 pages[nent * 2 + 1] =
499 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
500 (lg - MLX4_ICM_PAGE_SHIFT));
501 ts += 1 << (lg - 10);
504 if (++nent == MLX4_MAILBOX_SIZE / 16) {
505 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
506 MLX4_CMD_TIME_CLASS_B);
515 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B);
520 case MLX4_CMD_MAP_FA:
521 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
523 case MLX4_CMD_MAP_ICM_AUX:
524 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
526 case MLX4_CMD_MAP_ICM:
527 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
528 tc, ts, (unsigned long long) virt - (ts << 10));
533 mlx4_free_cmd_mailbox(dev, mailbox);
537 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
539 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
542 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
544 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, MLX4_CMD_TIME_CLASS_B);
548 int mlx4_RUN_FW(struct mlx4_dev *dev)
550 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, MLX4_CMD_TIME_CLASS_A);
553 int mlx4_QUERY_FW(struct mlx4_dev *dev)
555 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
556 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
557 struct mlx4_cmd_mailbox *mailbox;
564 #define QUERY_FW_OUT_SIZE 0x100
565 #define QUERY_FW_VER_OFFSET 0x00
566 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
567 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
568 #define QUERY_FW_ERR_START_OFFSET 0x30
569 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
570 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
572 #define QUERY_FW_SIZE_OFFSET 0x00
573 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
574 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
576 mailbox = mlx4_alloc_cmd_mailbox(dev);
578 return PTR_ERR(mailbox);
579 outbox = mailbox->buf;
581 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
582 MLX4_CMD_TIME_CLASS_A);
586 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
588 * FW subminor version is at more significant bits than minor
589 * version, so swap here.
591 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
592 ((fw_ver & 0xffff0000ull) >> 16) |
593 ((fw_ver & 0x0000ffffull) << 16);
595 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
596 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
597 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
598 mlx4_err(dev, "Installed FW has unsupported "
599 "command interface revision %d.\n",
601 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
602 (int) (dev->caps.fw_ver >> 32),
603 (int) (dev->caps.fw_ver >> 16) & 0xffff,
604 (int) dev->caps.fw_ver & 0xffff);
605 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
606 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
611 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
612 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
614 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
615 cmd->max_cmds = 1 << lg;
617 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
618 (int) (dev->caps.fw_ver >> 32),
619 (int) (dev->caps.fw_ver >> 16) & 0xffff,
620 (int) dev->caps.fw_ver & 0xffff,
621 cmd_if_rev, cmd->max_cmds);
623 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
624 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
625 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
626 fw->catas_bar = (fw->catas_bar >> 6) * 2;
628 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
629 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
631 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
632 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
633 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
634 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
636 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
639 * Round up number of system pages needed in case
640 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
643 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
644 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
646 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
647 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
650 mlx4_free_cmd_mailbox(dev, mailbox);
654 static void get_board_id(void *vsd, char *board_id)
658 #define VSD_OFFSET_SIG1 0x00
659 #define VSD_OFFSET_SIG2 0xde
660 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
661 #define VSD_OFFSET_TS_BOARD_ID 0x20
663 #define VSD_SIGNATURE_TOPSPIN 0x5ad
665 memset(board_id, 0, MLX4_BOARD_ID_LEN);
667 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
668 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
669 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
672 * The board ID is a string but the firmware byte
673 * swaps each 4-byte word before passing it back to
674 * us. Therefore we need to swab it before printing.
676 for (i = 0; i < 4; ++i)
677 ((u32 *) board_id)[i] =
678 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
682 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
684 struct mlx4_cmd_mailbox *mailbox;
688 #define QUERY_ADAPTER_OUT_SIZE 0x100
689 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
690 #define QUERY_ADAPTER_VSD_OFFSET 0x20
692 mailbox = mlx4_alloc_cmd_mailbox(dev);
694 return PTR_ERR(mailbox);
695 outbox = mailbox->buf;
697 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
698 MLX4_CMD_TIME_CLASS_A);
702 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
704 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
708 mlx4_free_cmd_mailbox(dev, mailbox);
712 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
714 struct mlx4_cmd_mailbox *mailbox;
718 #define INIT_HCA_IN_SIZE 0x200
719 #define INIT_HCA_VERSION_OFFSET 0x000
720 #define INIT_HCA_VERSION 2
721 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
722 #define INIT_HCA_FLAGS_OFFSET 0x014
723 #define INIT_HCA_QPC_OFFSET 0x020
724 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
725 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
726 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
727 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
728 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
729 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
730 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
731 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
732 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
733 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
734 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
735 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
736 #define INIT_HCA_MCAST_OFFSET 0x0c0
737 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
738 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
739 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
740 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
741 #define INIT_HCA_TPT_OFFSET 0x0f0
742 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
743 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
744 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
745 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
746 #define INIT_HCA_UAR_OFFSET 0x120
747 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
748 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
750 mailbox = mlx4_alloc_cmd_mailbox(dev);
752 return PTR_ERR(mailbox);
753 inbox = mailbox->buf;
755 memset(inbox, 0, INIT_HCA_IN_SIZE);
757 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
759 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
760 (ilog2(cache_line_size()) - 4) << 5;
762 #if defined(__LITTLE_ENDIAN)
763 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
764 #elif defined(__BIG_ENDIAN)
765 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
767 #error Host endianness not defined
769 /* Check port for UD address vector: */
770 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
772 /* Enable IPoIB checksumming if we can: */
773 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
774 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
776 /* Enable QoS support if module parameter set */
778 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
780 /* QPC/EEC/CQC/EQC/RDMARC attributes */
782 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
783 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
784 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
785 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
786 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
787 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
788 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
789 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
790 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
791 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
792 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
793 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
795 /* multicast attributes */
797 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
798 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
799 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
800 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
804 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
805 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
806 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
807 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
811 MLX4_PUT(inbox, (u8) (PAGE_SHIFT - 12), INIT_HCA_UAR_PAGE_SZ_OFFSET);
812 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
814 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000);
817 mlx4_err(dev, "INIT_HCA returns %d\n", err);
819 mlx4_free_cmd_mailbox(dev, mailbox);
823 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
825 struct mlx4_cmd_mailbox *mailbox;
831 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
832 #define INIT_PORT_IN_SIZE 256
833 #define INIT_PORT_FLAGS_OFFSET 0x00
834 #define INIT_PORT_FLAG_SIG (1 << 18)
835 #define INIT_PORT_FLAG_NG (1 << 17)
836 #define INIT_PORT_FLAG_G0 (1 << 16)
837 #define INIT_PORT_VL_SHIFT 4
838 #define INIT_PORT_PORT_WIDTH_SHIFT 8
839 #define INIT_PORT_MTU_OFFSET 0x04
840 #define INIT_PORT_MAX_GID_OFFSET 0x06
841 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
842 #define INIT_PORT_GUID0_OFFSET 0x10
843 #define INIT_PORT_NODE_GUID_OFFSET 0x18
844 #define INIT_PORT_SI_GUID_OFFSET 0x20
846 mailbox = mlx4_alloc_cmd_mailbox(dev);
848 return PTR_ERR(mailbox);
849 inbox = mailbox->buf;
851 memset(inbox, 0, INIT_PORT_IN_SIZE);
854 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
855 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
856 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
858 field = 128 << dev->caps.ib_mtu_cap[port];
859 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
860 field = dev->caps.gid_table_len[port];
861 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
862 field = dev->caps.pkey_table_len[port];
863 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
865 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
866 MLX4_CMD_TIME_CLASS_A);
868 mlx4_free_cmd_mailbox(dev, mailbox);
870 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
871 MLX4_CMD_TIME_CLASS_A);
875 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
877 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
879 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000);
881 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
883 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
885 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000);
888 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
890 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
891 MLX4_CMD_SET_ICM_SIZE,
892 MLX4_CMD_TIME_CLASS_A);
897 * Round up number of system pages needed in case
898 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
900 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
901 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
906 int mlx4_NOP(struct mlx4_dev *dev)
908 /* Input modifier of 0x1f means "finish as soon as possible." */
909 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);