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>
41 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
42 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
43 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
46 extern void __buggy_use_of_MLX4_GET(void);
47 extern void __buggy_use_of_MLX4_PUT(void);
49 static int enable_qos;
50 module_param(enable_qos, bool, 0444);
51 MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)");
53 static int mlx4_pre_t11_mode = 0;
54 module_param_named(enable_pre_t11_mode, mlx4_pre_t11_mode, int, 0644);
55 MODULE_PARM_DESC(enable_pre_t11_mode, "For FCoXX, enable pre-t11 mode if non-zero (default: 0)");
57 #define MLX4_GET(dest, source, offset) \
59 void *__p = (char *) (source) + (offset); \
60 switch (sizeof (dest)) { \
61 case 1: (dest) = *(u8 *) __p; break; \
62 case 2: (dest) = be16_to_cpup(__p); break; \
63 case 4: (dest) = be32_to_cpup(__p); break; \
64 case 8: (dest) = be64_to_cpup(__p); break; \
65 default: __buggy_use_of_MLX4_GET(); \
69 #define MLX4_PUT(dest, source, offset) \
71 void *__d = ((char *) (dest) + (offset)); \
72 switch (sizeof(source)) { \
73 case 1: *(u8 *) __d = (source); break; \
74 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
75 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
76 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
77 default: __buggy_use_of_MLX4_PUT(); \
81 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
83 static const char *fname[] = {
84 [ 0] = "RC transport",
85 [ 1] = "UC transport",
86 [ 2] = "UD transport",
87 [ 3] = "XRC transport",
88 [ 4] = "reliable multicast",
89 [ 5] = "FCoIB support",
91 [ 7] = "IPoIB checksum offload",
92 [ 8] = "P_Key violation counter",
93 [ 9] = "Q_Key violation counter",
98 [18] = "Atomic ops support",
99 [19] = "Raw multicast support",
100 [20] = "Address vector port checking support",
101 [21] = "UD multicast support",
102 [24] = "Demand paging support",
103 [25] = "Router support",
104 [30] = "IBoE support",
105 [48] = "Basic counters support",
106 [49] = "Extended counters support",
110 mlx4_dbg(dev, "DEV_CAP flags:\n");
111 for (i = 0; i < ARRAY_SIZE(fname); ++i)
112 if (fname[i] && (flags & (1LL << i)))
113 mlx4_dbg(dev, " %s\n", fname[i]);
116 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
118 struct mlx4_cmd_mailbox *mailbox;
122 #define MOD_STAT_CFG_IN_SIZE 0x100
124 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
125 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
127 mailbox = mlx4_alloc_cmd_mailbox(dev);
129 return PTR_ERR(mailbox);
130 inbox = mailbox->buf;
132 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
134 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
135 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
137 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
138 MLX4_CMD_TIME_CLASS_A);
140 mlx4_free_cmd_mailbox(dev, mailbox);
144 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
146 struct mlx4_cmd_mailbox *mailbox;
158 #define QUERY_DEV_CAP_OUT_SIZE 0x100
159 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
160 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
161 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
162 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
163 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
164 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
165 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
166 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
167 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
168 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
169 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
170 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
171 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
172 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
173 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
174 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
175 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
176 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
177 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
178 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
179 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
180 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
181 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
182 #define QUERY_DEV_CAP_STAT_CFG_INL_OFFSET 0x31
183 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
184 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
185 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
186 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
187 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
188 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
189 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
190 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
191 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
192 #define QUERY_DEV_CAP_UDP_RSS_OFFSET 0x42
193 #define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET 0x43
194 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
195 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
196 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
197 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
198 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
199 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
200 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
201 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
202 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
203 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
204 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
205 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
206 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
207 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
208 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
209 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
210 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
211 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
212 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
213 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
214 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
215 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
216 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
217 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
218 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
219 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
220 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
221 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
222 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
223 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
224 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
225 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
226 #define QUERY_DEV_CAP_MAX_BASIC_CNT_OFFSET 0x68
227 #define QUERY_DEV_CAP_MAX_EXT_CNT_OFFSET 0x6c
229 mailbox = mlx4_alloc_cmd_mailbox(dev);
231 return PTR_ERR(mailbox);
232 outbox = mailbox->buf;
234 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
235 MLX4_CMD_TIME_CLASS_A);
239 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
240 dev_cap->reserved_qps = 1 << (field & 0xf);
241 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
242 dev_cap->max_qps = 1 << (field & 0x1f);
243 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
244 dev_cap->reserved_srqs = 1 << (field >> 4);
245 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
246 dev_cap->max_srqs = 1 << (field & 0x1f);
247 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
248 dev_cap->max_cq_sz = 1 << field;
249 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
250 dev_cap->reserved_cqs = 1 << (field & 0xf);
251 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
252 dev_cap->max_cqs = 1 << (field & 0x1f);
253 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
254 dev_cap->max_mpts = 1 << (field & 0x3f);
255 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
256 dev_cap->reserved_eqs = 1 << (field & 0xf);
257 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
258 dev_cap->max_eqs = 1 << (field & 0xf);
259 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
260 dev_cap->reserved_mtts = 1 << (field >> 4);
261 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
262 dev_cap->max_mrw_sz = 1 << field;
263 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
264 dev_cap->reserved_mrws = 1 << (field & 0xf);
265 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
266 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
267 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
268 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
269 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
270 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
271 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
274 dev_cap->max_gso_sz = 0;
276 dev_cap->max_gso_sz = 1 << field;
278 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
279 dev_cap->max_rdma_global = 1 << (field & 0x3f);
280 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
281 dev_cap->local_ca_ack_delay = field & 0x1f;
282 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
283 dev_cap->num_ports = field & 0xf;
284 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
285 dev_cap->max_msg_sz = 1 << (field & 0x1f);
286 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
287 dev_cap->stat_rate_support = stat_rate;
288 MLX4_GET(field, outbox, QUERY_DEV_CAP_UDP_RSS_OFFSET);
289 dev_cap->udp_rss = field & 0x1;
290 MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
291 dev_cap->loopback_support = field & 0x1;
292 dev_cap->wol = field & 0x40;
293 MLX4_GET(tmp1, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
294 MLX4_GET(tmp2, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
295 dev_cap->flags = tmp2 | (u64)tmp1 << 32;
296 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
297 dev_cap->reserved_uars = field >> 4;
298 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
299 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
300 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
301 dev_cap->min_page_sz = 1 << field;
303 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
305 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
306 dev_cap->bf_reg_size = 1 << (field & 0x1f);
307 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
308 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) {
309 mlx4_dbg(dev, "log blue flame is invalid (%d), forcing 3\n", field & 0x1f);
312 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
313 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
314 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
316 dev_cap->bf_reg_size = 0;
317 mlx4_dbg(dev, "BlueFlame not available\n");
320 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
321 dev_cap->max_sq_sg = field;
322 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
323 dev_cap->max_sq_desc_sz = size;
325 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
326 dev_cap->max_qp_per_mcg = 1 << field;
327 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
328 dev_cap->reserved_mgms = field & 0xf;
329 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
330 dev_cap->max_mcgs = 1 << field;
331 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
332 dev_cap->reserved_pds = field >> 4;
333 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
334 dev_cap->max_pds = 1 << (field & 0x3f);
336 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
337 dev_cap->reserved_xrcds = field >> 4;
338 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
339 dev_cap->max_xrcds = 1 << (field & 0x1f);
341 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
342 dev_cap->rdmarc_entry_sz = size;
343 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
344 dev_cap->qpc_entry_sz = size;
345 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
346 dev_cap->aux_entry_sz = size;
347 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
348 dev_cap->altc_entry_sz = size;
349 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
350 dev_cap->eqc_entry_sz = size;
351 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
352 dev_cap->cqc_entry_sz = size;
353 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
354 dev_cap->srq_entry_sz = size;
355 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
356 dev_cap->cmpt_entry_sz = size;
357 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
358 dev_cap->mtt_entry_sz = size;
359 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
360 dev_cap->dmpt_entry_sz = size;
362 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
363 dev_cap->max_srq_sz = 1 << field;
364 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
365 dev_cap->max_qp_sz = 1 << field;
366 MLX4_GET(field, outbox, QUERY_DEV_CAP_STAT_CFG_INL_OFFSET);
367 dev_cap->inline_cfg = field & 1;
368 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
369 dev_cap->resize_srq = field & 1;
370 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
371 dev_cap->max_rq_sg = field;
372 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
373 dev_cap->max_rq_desc_sz = size;
375 MLX4_GET(dev_cap->bmme_flags, outbox,
376 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
377 MLX4_GET(dev_cap->reserved_lkey, outbox,
378 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
379 MLX4_GET(dev_cap->max_icm_sz, outbox,
380 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
381 MLX4_GET(dev_cap->max_basic_counters, outbox,
382 QUERY_DEV_CAP_MAX_BASIC_CNT_OFFSET);
383 MLX4_GET(dev_cap->max_ext_counters, outbox,
384 QUERY_DEV_CAP_MAX_EXT_CNT_OFFSET);
386 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
387 for (i = 1; i <= dev_cap->num_ports; ++i) {
388 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
389 dev_cap->max_vl[i] = field >> 4;
390 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
391 dev_cap->ib_mtu[i] = field >> 4;
392 dev_cap->max_port_width[i] = field & 0xf;
393 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
394 dev_cap->max_gids[i] = 1 << (field & 0xf);
395 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
396 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
399 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
400 #define QUERY_PORT_MTU_OFFSET 0x01
401 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
402 #define QUERY_PORT_WIDTH_OFFSET 0x06
403 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
404 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
405 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
406 #define QUERY_PORT_MAC_OFFSET 0x10
407 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
408 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
409 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
411 #define STAT_CFG_PORT_MODE (1 << 28)
412 #define STAT_CFG_PORT_OFFSET 0x8
413 #define STAT_CFG_PORT_MASK (1 << 20)
414 #define STAT_CFG_MOD_INLINE 0x3
416 for (i = 1; i <= dev_cap->num_ports; ++i) {
417 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
418 MLX4_CMD_TIME_CLASS_B);
422 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
423 dev_cap->supported_port_types[i] = field & 3;
424 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
425 dev_cap->ib_mtu[i] = field & 0xf;
426 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
427 dev_cap->max_port_width[i] = field & 0xf;
428 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
429 dev_cap->max_gids[i] = 1 << (field >> 4);
430 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
431 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
432 dev_cap->max_vl[i] = field & 0xf;
433 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
434 dev_cap->log_max_macs[i] = field & 0xf;
435 dev_cap->log_max_vlans[i] = field >> 4;
436 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
437 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
438 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
439 dev_cap->trans_type[i] = field32 >> 24;
440 dev_cap->vendor_oui[i] = field32 & 0xffffff;
441 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
442 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
444 /* Query stat cfg for port enablement */
445 if (dev_cap->inline_cfg) {
446 in_modifier = STAT_CFG_PORT_MODE | i << 8 |
447 STAT_CFG_PORT_OFFSET;
448 err = mlx4_cmd_imm(dev, 0, &out_param,
451 MLX4_CMD_MOD_STAT_CFG,
452 MLX4_CMD_TIME_CLASS_B);
454 if (!(out_param & STAT_CFG_PORT_MASK))
455 dev_cap->supported_port_types[i] = 0;
460 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
461 dev_cap->bmme_flags, dev_cap->reserved_lkey);
464 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
465 * we can't use any EQs whose doorbell falls on that page,
466 * even if the EQ itself isn't reserved.
468 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
469 dev_cap->reserved_eqs);
471 mlx4_dbg(dev, "Max ICM size %lld MB\n",
472 (unsigned long long) dev_cap->max_icm_sz >> 20);
473 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
474 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
475 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
476 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
477 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
478 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
479 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
480 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
481 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
482 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
483 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
484 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
485 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
486 dev_cap->max_pds, dev_cap->reserved_mgms);
487 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
488 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
489 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
490 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
491 dev_cap->max_port_width[1]);
492 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
493 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
494 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
495 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
496 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
498 dump_dev_cap_flags(dev, dev_cap->flags);
501 mlx4_free_cmd_mailbox(dev, mailbox);
505 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
507 struct mlx4_cmd_mailbox *mailbox;
508 struct mlx4_icm_iter iter;
516 mailbox = mlx4_alloc_cmd_mailbox(dev);
518 return PTR_ERR(mailbox);
519 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
520 pages = mailbox->buf;
522 for (mlx4_icm_first(icm, &iter);
523 !mlx4_icm_last(&iter);
524 mlx4_icm_next(&iter)) {
526 * We have to pass pages that are aligned to their
527 * size, so find the least significant 1 in the
528 * address or size and use that as our log2 size.
530 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
531 if (lg < MLX4_ICM_PAGE_SHIFT) {
532 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
534 (unsigned long long) mlx4_icm_addr(&iter),
535 mlx4_icm_size(&iter));
540 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
542 pages[nent * 2] = cpu_to_be64(virt);
546 pages[nent * 2 + 1] =
547 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
548 (lg - MLX4_ICM_PAGE_SHIFT));
549 ts += 1 << (lg - 10);
552 if (++nent == MLX4_MAILBOX_SIZE / 16) {
553 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
554 MLX4_CMD_TIME_CLASS_B);
563 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B);
568 case MLX4_CMD_MAP_FA:
569 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
571 case MLX4_CMD_MAP_ICM_AUX:
572 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
574 case MLX4_CMD_MAP_ICM:
575 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
576 tc, ts, (unsigned long long) virt - (ts << 10));
581 mlx4_free_cmd_mailbox(dev, mailbox);
585 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
587 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
590 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
592 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, MLX4_CMD_TIME_CLASS_B);
596 int mlx4_RUN_FW(struct mlx4_dev *dev)
598 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, MLX4_CMD_TIME_CLASS_A);
601 int mlx4_QUERY_FW(struct mlx4_dev *dev)
603 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
604 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
605 struct mlx4_cmd_mailbox *mailbox;
612 #define QUERY_FW_OUT_SIZE 0x100
613 #define QUERY_FW_VER_OFFSET 0x00
614 #define MC_PROMISC_VER 0x2000702bcull
615 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
616 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
617 #define QUERY_FW_ERR_START_OFFSET 0x30
618 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
619 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
621 #define QUERY_FW_SIZE_OFFSET 0x00
622 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
623 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
625 mailbox = mlx4_alloc_cmd_mailbox(dev);
627 return PTR_ERR(mailbox);
628 outbox = mailbox->buf;
630 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
631 MLX4_CMD_TIME_CLASS_A);
635 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
637 * FW subminor version is at more significant bits than minor
638 * version, so swap here.
640 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
641 ((fw_ver & 0xffff0000ull) >> 16) |
642 ((fw_ver & 0x0000ffffull) << 16);
643 if (dev->caps.fw_ver < MC_PROMISC_VER)
644 dev->caps.mc_promisc_mode = 2;
646 dev->caps.mc_promisc_mode = 1;
648 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
649 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
650 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
651 mlx4_err(dev, "Installed FW has unsupported "
652 "command interface revision %d.\n",
654 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
655 (int) (dev->caps.fw_ver >> 32),
656 (int) (dev->caps.fw_ver >> 16) & 0xffff,
657 (int) dev->caps.fw_ver & 0xffff);
658 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
659 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
664 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
665 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
667 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
668 cmd->max_cmds = 1 << lg;
670 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
671 (int) (dev->caps.fw_ver >> 32),
672 (int) (dev->caps.fw_ver >> 16) & 0xffff,
673 (int) dev->caps.fw_ver & 0xffff,
674 cmd_if_rev, cmd->max_cmds);
676 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
677 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
678 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
679 fw->catas_bar = (fw->catas_bar >> 6) * 2;
681 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
682 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
684 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
685 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
686 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
687 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
689 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
692 * Round up number of system pages needed in case
693 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
696 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
697 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
699 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
700 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
703 mlx4_free_cmd_mailbox(dev, mailbox);
707 static void get_board_id(void *vsd, char *board_id)
711 #define VSD_OFFSET_SIG1 0x00
712 #define VSD_OFFSET_SIG2 0xde
713 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
714 #define VSD_OFFSET_TS_BOARD_ID 0x20
716 #define VSD_SIGNATURE_TOPSPIN 0x5ad
718 memset(board_id, 0, MLX4_BOARD_ID_LEN);
720 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
721 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
722 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
725 * The board ID is a string but the firmware byte
726 * swaps each 4-byte word before passing it back to
727 * us. Therefore we need to swab it before printing.
729 for (i = 0; i < 4; ++i)
730 ((u32 *) board_id)[i] =
731 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
735 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
737 struct mlx4_cmd_mailbox *mailbox;
741 #define QUERY_ADAPTER_OUT_SIZE 0x100
742 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
743 #define QUERY_ADAPTER_VSD_OFFSET 0x20
745 mailbox = mlx4_alloc_cmd_mailbox(dev);
747 return PTR_ERR(mailbox);
748 outbox = mailbox->buf;
750 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
751 MLX4_CMD_TIME_CLASS_A);
755 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
757 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
761 mlx4_free_cmd_mailbox(dev, mailbox);
765 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
767 struct mlx4_cmd_mailbox *mailbox;
771 #define INIT_HCA_IN_SIZE 0x200
772 #define INIT_HCA_VERSION_OFFSET 0x000
773 #define INIT_HCA_VERSION 2
774 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
775 #define INIT_HCA_X86_64_BYTE_CACHELINE_SZ 0x40
776 #define INIT_HCA_FLAGS_OFFSET 0x014
777 #define INIT_HCA_QPC_OFFSET 0x020
778 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
779 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
780 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
781 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
782 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
783 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
784 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
785 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
786 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
787 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
788 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
789 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
790 #define INIT_HCA_MCAST_OFFSET 0x0c0
791 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
792 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
793 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
794 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
795 #define INIT_HCA_TPT_OFFSET 0x0f0
796 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
797 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
798 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
799 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
800 #define INIT_HCA_UAR_OFFSET 0x120
801 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
802 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
804 mailbox = mlx4_alloc_cmd_mailbox(dev);
806 return PTR_ERR(mailbox);
807 inbox = mailbox->buf;
809 memset(inbox, 0, INIT_HCA_IN_SIZE);
811 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
812 #if defined(__x86_64__) || defined(__PPC64__)
813 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = INIT_HCA_X86_64_BYTE_CACHELINE_SZ;
816 #if defined(__LITTLE_ENDIAN)
817 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
818 #elif defined(__BIG_ENDIAN)
819 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
821 #error Host endianness not defined
823 /* Check port for UD address vector: */
824 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
826 /* Enable IPoIB checksumming if we can: */
827 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
828 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
830 /* Enable QoS support if module parameter set */
832 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
835 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
836 cpu_to_be32(dev->caps.counters_mode << 4);
838 /* QPC/EEC/CQC/EQC/RDMARC attributes */
840 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
841 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
842 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
843 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
844 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
845 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
846 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
847 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
848 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
849 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
850 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
851 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
853 /* multicast attributes */
855 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
856 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
857 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
858 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
862 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
863 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
864 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
865 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
869 MLX4_PUT(inbox, (u8) (PAGE_SHIFT - 12), INIT_HCA_UAR_PAGE_SZ_OFFSET);
870 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
871 if (!mlx4_pre_t11_mode && dev->caps.flags & (u32) MLX4_DEV_CAP_FLAG_FC_T11)
872 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 10);
875 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000);
878 mlx4_err(dev, "INIT_HCA returns %d\n", err);
880 mlx4_free_cmd_mailbox(dev, mailbox);
884 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
886 struct mlx4_cmd_mailbox *mailbox;
892 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
893 #define INIT_PORT_IN_SIZE 256
894 #define INIT_PORT_FLAGS_OFFSET 0x00
895 #define INIT_PORT_FLAG_SIG (1 << 18)
896 #define INIT_PORT_FLAG_NG (1 << 17)
897 #define INIT_PORT_FLAG_G0 (1 << 16)
898 #define INIT_PORT_VL_SHIFT 4
899 #define INIT_PORT_PORT_WIDTH_SHIFT 8
900 #define INIT_PORT_MTU_OFFSET 0x04
901 #define INIT_PORT_MAX_GID_OFFSET 0x06
902 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
903 #define INIT_PORT_GUID0_OFFSET 0x10
904 #define INIT_PORT_NODE_GUID_OFFSET 0x18
905 #define INIT_PORT_SI_GUID_OFFSET 0x20
907 mailbox = mlx4_alloc_cmd_mailbox(dev);
909 return PTR_ERR(mailbox);
910 inbox = mailbox->buf;
912 memset(inbox, 0, INIT_PORT_IN_SIZE);
915 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
916 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
917 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
919 field = 128 << dev->caps.ib_mtu_cap[port];
920 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
921 field = dev->caps.gid_table_len[port];
922 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
923 field = dev->caps.pkey_table_len[port];
924 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
926 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
927 MLX4_CMD_TIME_CLASS_A);
929 mlx4_free_cmd_mailbox(dev, mailbox);
931 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
932 MLX4_CMD_TIME_CLASS_A);
936 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
938 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
940 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000);
942 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
944 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
946 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000);
949 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
951 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
952 MLX4_CMD_SET_ICM_SIZE,
953 MLX4_CMD_TIME_CLASS_A);
958 * Round up number of system pages needed in case
959 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
961 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
962 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
967 int mlx4_NOP(struct mlx4_dev *dev)
969 /* Input modifier of 0x1f means "finish as soon as possible." */
970 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
973 #define MLX4_WOL_SETUP_MODE (5 << 28)
974 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
976 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
978 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
979 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A);
981 EXPORT_SYMBOL_GPL(mlx4_wol_read);
983 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
985 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
987 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
988 MLX4_CMD_TIME_CLASS_A);
990 EXPORT_SYMBOL_GPL(mlx4_wol_write);
992 int mlx4_query_diag_counters(struct mlx4_dev *dev, int array_length,
993 u8 op_modifier, u32 in_offset[], u32 counter_out[])
995 struct mlx4_cmd_mailbox *mailbox;
1000 mailbox = mlx4_alloc_cmd_mailbox(dev);
1001 if (IS_ERR(mailbox))
1002 return PTR_ERR(mailbox);
1003 outbox = mailbox->buf;
1005 ret = mlx4_cmd_box(dev, 0, mailbox->dma, 0, op_modifier,
1006 MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A);
1010 for (i=0; i < array_length; i++) {
1011 if (in_offset[i] > MLX4_MAILBOX_SIZE) {
1016 MLX4_GET(counter_out[i], outbox, in_offset[i]);
1020 mlx4_free_cmd_mailbox(dev, mailbox);
1023 EXPORT_SYMBOL_GPL(mlx4_query_diag_counters);
1025 void mlx4_get_fc_t11_settings(struct mlx4_dev *dev, int *enable_pre_t11, int *t11_supported)
1027 *enable_pre_t11 = !!mlx4_pre_t11_mode;
1028 *t11_supported = !!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FC_T11);
1030 EXPORT_SYMBOL_GPL(mlx4_get_fc_t11_settings);