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RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / net / mlx4 / fw.c
blob04f42ae1eda092d9650af5ef23d16a1b9efdbf52
1 /*
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.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #include <linux/mlx4/cmd.h>
36 #include <linux/cache.h>
37
38 #include "fw.h"
39 #include "icm.h"
40
41 enum {
42 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
43 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
44 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
45 };
46
47 extern void __buggy_use_of_MLX4_GET(void);
48 extern void __buggy_use_of_MLX4_PUT(void);
49
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)");
53
54 #define MLX4_GET(dest, source, offset) \
55 do { \
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(); \
63 } \
64 } while (0)
65
66 #define MLX4_PUT(dest, source, offset) \
67 do { \
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(); \
75 } \
76 } while (0)
77
78 static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
79 {
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",
87 [ 6] = "SRQ support",
88 [ 7] = "IPoIB checksum offload",
89 [ 8] = "P_Key violation counter",
90 [ 9] = "Q_Key violation counter",
91 [10] = "VMM",
92 [12] = "DPDP",
93 [15] = "Big LSO headers",
94 [16] = "MW support",
95 [17] = "APM support",
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 };
103 int i;
104
105 mlx4_dbg(dev, "DEV_CAP flags:\n");
106 for (i = 0; i < ARRAY_SIZE(fname); ++i)
107 if (fname[i] && (flags & (1 << i)))
108 mlx4_dbg(dev, " %s\n", fname[i]);
109 }
110
111 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
112 {
113 struct mlx4_cmd_mailbox *mailbox;
114 u32 *inbox;
115 int err = 0;
116
117 #define MOD_STAT_CFG_IN_SIZE 0x100
118
119 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
120 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
121
122 mailbox = mlx4_alloc_cmd_mailbox(dev);
123 if (IS_ERR(mailbox))
124 return PTR_ERR(mailbox);
125 inbox = mailbox->buf;
126
127 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE);
128
129 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
130 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
131
132 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
133 MLX4_CMD_TIME_CLASS_A);
134
135 mlx4_free_cmd_mailbox(dev, mailbox);
136 return err;
137 }
138
139 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
140 {
141 struct mlx4_cmd_mailbox *mailbox;
142 u32 *outbox;
143 u8 field;
144 u16 size;
145 u16 stat_rate;
146 int err;
147 int i;
148
149 #define QUERY_DEV_CAP_OUT_SIZE 0x100
150 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
151 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
152 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
153 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
154 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
155 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
156 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
157 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
158 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
159 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
160 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
161 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
162 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
163 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
164 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
165 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
166 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
167 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
168 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
169 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
170 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
171 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
172 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
173 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
174 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
175 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
176 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
177 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
178 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
179 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
180 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
181 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
182 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
183 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
184 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
185 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
186 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
187 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
188 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
189 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
190 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
191 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
192 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
193 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
194 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
195 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
196 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
197 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
198 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
199 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
200 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
201 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
202 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
203 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
204 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
205 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
206 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
207 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
208 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
209 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
210 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
211
212 mailbox = mlx4_alloc_cmd_mailbox(dev);
213 if (IS_ERR(mailbox))
214 return PTR_ERR(mailbox);
215 outbox = mailbox->buf;
216
217 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
218 MLX4_CMD_TIME_CLASS_A);
219 if (err)
220 goto out;
221
222 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
223 dev_cap->reserved_qps = 1 << (field & 0xf);
224 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
225 dev_cap->max_qps = 1 << (field & 0x1f);
226 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
227 dev_cap->reserved_srqs = 1 << (field >> 4);
228 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
229 dev_cap->max_srqs = 1 << (field & 0x1f);
230 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
231 dev_cap->max_cq_sz = 1 << field;
232 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
233 dev_cap->reserved_cqs = 1 << (field & 0xf);
234 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
235 dev_cap->max_cqs = 1 << (field & 0x1f);
236 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
237 dev_cap->max_mpts = 1 << (field & 0x3f);
238 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
239 dev_cap->reserved_eqs = field & 0xf;
240 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
241 dev_cap->max_eqs = 1 << (field & 0xf);
242 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
243 dev_cap->reserved_mtts = 1 << (field >> 4);
244 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
245 dev_cap->max_mrw_sz = 1 << field;
246 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
247 dev_cap->reserved_mrws = 1 << (field & 0xf);
248 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
249 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
250 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
251 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
252 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
253 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
254 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
255 field &= 0x1f;
256 if (!field)
257 dev_cap->max_gso_sz = 0;
258 else
259 dev_cap->max_gso_sz = 1 << field;
260
261 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
262 dev_cap->max_rdma_global = 1 << (field & 0x3f);
263 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
264 dev_cap->local_ca_ack_delay = field & 0x1f;
265 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
266 dev_cap->num_ports = field & 0xf;
267 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
268 dev_cap->max_msg_sz = 1 << (field & 0x1f);
269 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
270 dev_cap->stat_rate_support = stat_rate;
271 MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
272 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
273 dev_cap->reserved_uars = field >> 4;
274 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
275 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
276 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
277 dev_cap->min_page_sz = 1 << field;
278
279 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
280 if (field & 0x80) {
281 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
282 dev_cap->bf_reg_size = 1 << (field & 0x1f);
283 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
284 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
285 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
286 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
287 } else {
288 dev_cap->bf_reg_size = 0;
289 mlx4_dbg(dev, "BlueFlame not available\n");
290 }
291
292 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
293 dev_cap->max_sq_sg = field;
294 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
295 dev_cap->max_sq_desc_sz = size;
296
297 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
298 dev_cap->max_qp_per_mcg = 1 << field;
299 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
300 dev_cap->reserved_mgms = field & 0xf;
301 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
302 dev_cap->max_mcgs = 1 << field;
303 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
304 dev_cap->reserved_pds = field >> 4;
305 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
306 dev_cap->max_pds = 1 << (field & 0x3f);
307
308 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
309 dev_cap->rdmarc_entry_sz = size;
310 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
311 dev_cap->qpc_entry_sz = size;
312 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
313 dev_cap->aux_entry_sz = size;
314 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
315 dev_cap->altc_entry_sz = size;
316 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
317 dev_cap->eqc_entry_sz = size;
318 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
319 dev_cap->cqc_entry_sz = size;
320 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
321 dev_cap->srq_entry_sz = size;
322 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
323 dev_cap->cmpt_entry_sz = size;
324 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
325 dev_cap->mtt_entry_sz = size;
326 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
327 dev_cap->dmpt_entry_sz = size;
328
329 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
330 dev_cap->max_srq_sz = 1 << field;
331 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
332 dev_cap->max_qp_sz = 1 << field;
333 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
334 dev_cap->resize_srq = field & 1;
335 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
336 dev_cap->max_rq_sg = field;
337 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
338 dev_cap->max_rq_desc_sz = size;
339
340 MLX4_GET(dev_cap->bmme_flags, outbox,
341 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
342 MLX4_GET(dev_cap->reserved_lkey, outbox,
343 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
344 MLX4_GET(dev_cap->max_icm_sz, outbox,
345 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
346
347 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
348 for (i = 1; i <= dev_cap->num_ports; ++i) {
349 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
350 dev_cap->max_vl[i] = field >> 4;
351 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
352 dev_cap->ib_mtu[i] = field >> 4;
353 dev_cap->max_port_width[i] = field & 0xf;
354 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
355 dev_cap->max_gids[i] = 1 << (field & 0xf);
356 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
357 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
358 }
359 } else {
360 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
361 #define QUERY_PORT_MTU_OFFSET 0x01
362 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
363 #define QUERY_PORT_WIDTH_OFFSET 0x06
364 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
365 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
366 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
367 #define QUERY_PORT_MAC_OFFSET 0x10
368
369 for (i = 1; i <= dev_cap->num_ports; ++i) {
370 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
371 MLX4_CMD_TIME_CLASS_B);
372 if (err)
373 goto out;
374
375 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
376 dev_cap->supported_port_types[i] = field & 3;
377 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
378 dev_cap->ib_mtu[i] = field & 0xf;
379 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
380 dev_cap->max_port_width[i] = field & 0xf;
381 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
382 dev_cap->max_gids[i] = 1 << (field >> 4);
383 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
384 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
385 dev_cap->max_vl[i] = field & 0xf;
386 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
387 dev_cap->log_max_macs[i] = field & 0xf;
388 dev_cap->log_max_vlans[i] = field >> 4;
389 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
390 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
391 }
392 }
393
394 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
395 dev_cap->bmme_flags, dev_cap->reserved_lkey);
396
397 /*
398 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
399 * we can't use any EQs whose doorbell falls on that page,
400 * even if the EQ itself isn't reserved.
401 */
402 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
403 dev_cap->reserved_eqs);
404
405 mlx4_dbg(dev, "Max ICM size %lld MB\n",
406 (unsigned long long) dev_cap->max_icm_sz >> 20);
407 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
408 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
409 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
410 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
411 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
412 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
413 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
414 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
415 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
416 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
417 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
418 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
419 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
420 dev_cap->max_pds, dev_cap->reserved_mgms);
421 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
422 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
423 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
424 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
425 dev_cap->max_port_width[1]);
426 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
427 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
428 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
429 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
430 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
431
432 dump_dev_cap_flags(dev, dev_cap->flags);
433
434 out:
435 mlx4_free_cmd_mailbox(dev, mailbox);
436 return err;
437 }
438
439 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
440 {
441 struct mlx4_cmd_mailbox *mailbox;
442 struct mlx4_icm_iter iter;
443 __be64 *pages;
444 int lg;
445 int nent = 0;
446 int i;
447 int err = 0;
448 int ts = 0, tc = 0;
449
450 mailbox = mlx4_alloc_cmd_mailbox(dev);
451 if (IS_ERR(mailbox))
452 return PTR_ERR(mailbox);
453 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
454 pages = mailbox->buf;
455
456 for (mlx4_icm_first(icm, &iter);
457 !mlx4_icm_last(&iter);
458 mlx4_icm_next(&iter)) {
459 /*
460 * We have to pass pages that are aligned to their
461 * size, so find the least significant 1 in the
462 * address or size and use that as our log2 size.
463 */
464 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
465 if (lg < MLX4_ICM_PAGE_SHIFT) {
466 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
467 MLX4_ICM_PAGE_SIZE,
468 (unsigned long long) mlx4_icm_addr(&iter),
469 mlx4_icm_size(&iter));
470 err = -EINVAL;
471 goto out;
472 }
473
474 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
475 if (virt != -1) {
476 pages[nent * 2] = cpu_to_be64(virt);
477 virt += 1 << lg;
478 }
479
480 pages[nent * 2 + 1] =
481 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
482 (lg - MLX4_ICM_PAGE_SHIFT));
483 ts += 1 << (lg - 10);
484 ++tc;
485
486 if (++nent == MLX4_MAILBOX_SIZE / 16) {
487 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
488 MLX4_CMD_TIME_CLASS_B);
489 if (err)
490 goto out;
491 nent = 0;
492 }
493 }
494 }
495
496 if (nent)
497 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B);
498 if (err)
499 goto out;
500
501 switch (op) {
502 case MLX4_CMD_MAP_FA:
503 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
504 break;
505 case MLX4_CMD_MAP_ICM_AUX:
506 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
507 break;
508 case MLX4_CMD_MAP_ICM:
509 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
510 tc, ts, (unsigned long long) virt - (ts << 10));
511 break;
512 }
513
514 out:
515 mlx4_free_cmd_mailbox(dev, mailbox);
516 return err;
517 }
518
519 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
520 {
521 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
522 }
523
524 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
525 {
526 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, MLX4_CMD_TIME_CLASS_B);
527 }
528
529
530 int mlx4_RUN_FW(struct mlx4_dev *dev)
531 {
532 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, MLX4_CMD_TIME_CLASS_A);
533 }
534
535 int mlx4_QUERY_FW(struct mlx4_dev *dev)
536 {
537 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
538 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
539 struct mlx4_cmd_mailbox *mailbox;
540 u32 *outbox;
541 int err = 0;
542 u64 fw_ver;
543 u16 cmd_if_rev;
544 u8 lg;
545
546 #define QUERY_FW_OUT_SIZE 0x100
547 #define QUERY_FW_VER_OFFSET 0x00
548 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
549 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
550 #define QUERY_FW_ERR_START_OFFSET 0x30
551 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
552 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
553
554 #define QUERY_FW_SIZE_OFFSET 0x00
555 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
556 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
557
558 mailbox = mlx4_alloc_cmd_mailbox(dev);
559 if (IS_ERR(mailbox))
560 return PTR_ERR(mailbox);
561 outbox = mailbox->buf;
562
563 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
564 MLX4_CMD_TIME_CLASS_A);
565 if (err)
566 goto out;
567
568 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
569 /*
570 * FW subminor version is at more significant bits than minor
571 * version, so swap here.
572 */
573 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
574 ((fw_ver & 0xffff0000ull) >> 16) |
575 ((fw_ver & 0x0000ffffull) << 16);
576
577 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
578 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
579 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
580 mlx4_err(dev, "Installed FW has unsupported "
581 "command interface revision %d.\n",
582 cmd_if_rev);
583 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
584 (int) (dev->caps.fw_ver >> 32),
585 (int) (dev->caps.fw_ver >> 16) & 0xffff,
586 (int) dev->caps.fw_ver & 0xffff);
587 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
588 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
589 err = -ENODEV;
590 goto out;
591 }
592
593 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
594 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
595
596 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
597 cmd->max_cmds = 1 << lg;
598
599 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
600 (int) (dev->caps.fw_ver >> 32),
601 (int) (dev->caps.fw_ver >> 16) & 0xffff,
602 (int) dev->caps.fw_ver & 0xffff,
603 cmd_if_rev, cmd->max_cmds);
604
605 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
606 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
607 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
608 fw->catas_bar = (fw->catas_bar >> 6) * 2;
609
610 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
611 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
612
613 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
614 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
615 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
616 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
617
618 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
619
620 /*
621 * Round up number of system pages needed in case
622 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
623 */
624 fw->fw_pages =
625 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
626 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
627
628 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
629 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
630
631 out:
632 mlx4_free_cmd_mailbox(dev, mailbox);
633 return err;
634 }
635
636 static void get_board_id(void *vsd, char *board_id)
637 {
638 int i;
639
640 #define VSD_OFFSET_SIG1 0x00
641 #define VSD_OFFSET_SIG2 0xde
642 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
643 #define VSD_OFFSET_TS_BOARD_ID 0x20
644
645 #define VSD_SIGNATURE_TOPSPIN 0x5ad
646
647 memset(board_id, 0, MLX4_BOARD_ID_LEN);
648
649 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
650 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
651 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
652 } else {
653 /*
654 * The board ID is a string but the firmware byte
655 * swaps each 4-byte word before passing it back to
656 * us. Therefore we need to swab it before printing.
657 */
658 for (i = 0; i < 4; ++i)
659 ((u32 *) board_id)[i] =
660 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
661 }
662 }
663
664 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
665 {
666 struct mlx4_cmd_mailbox *mailbox;
667 u32 *outbox;
668 int err;
669
670 #define QUERY_ADAPTER_OUT_SIZE 0x100
671 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
672 #define QUERY_ADAPTER_VSD_OFFSET 0x20
673
674 mailbox = mlx4_alloc_cmd_mailbox(dev);
675 if (IS_ERR(mailbox))
676 return PTR_ERR(mailbox);
677 outbox = mailbox->buf;
678
679 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
680 MLX4_CMD_TIME_CLASS_A);
681 if (err)
682 goto out;
683
684 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
685
686 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
687 adapter->board_id);
688
689 out:
690 mlx4_free_cmd_mailbox(dev, mailbox);
691 return err;
692 }
693
694 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
695 {
696 struct mlx4_cmd_mailbox *mailbox;
697 __be32 *inbox;
698 int err;
699
700 #define INIT_HCA_IN_SIZE 0x200
701 #define INIT_HCA_VERSION_OFFSET 0x000
702 #define INIT_HCA_VERSION 2
703 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
704 #define INIT_HCA_FLAGS_OFFSET 0x014
705 #define INIT_HCA_QPC_OFFSET 0x020
706 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
707 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
708 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
709 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
710 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
711 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
712 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
713 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
714 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
715 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
716 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
717 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
718 #define INIT_HCA_MCAST_OFFSET 0x0c0
719 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
720 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
721 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
722 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
723 #define INIT_HCA_TPT_OFFSET 0x0f0
724 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
725 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
726 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
727 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
728 #define INIT_HCA_UAR_OFFSET 0x120
729 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
730 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
731
732 mailbox = mlx4_alloc_cmd_mailbox(dev);
733 if (IS_ERR(mailbox))
734 return PTR_ERR(mailbox);
735 inbox = mailbox->buf;
736
737 memset(inbox, 0, INIT_HCA_IN_SIZE);
738
739 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
740
741 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
742 (ilog2(cache_line_size()) - 4) << 5;
743
744 #if defined(__LITTLE_ENDIAN)
745 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
746 #elif defined(__BIG_ENDIAN)
747 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
748 #else
749 #error Host endianness not defined
750 #endif
751 /* Check port for UD address vector: */
752 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
753
754 /* Enable IPoIB checksumming if we can: */
755 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
756 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
757
758 /* Enable QoS support if module parameter set */
759 if (enable_qos)
760 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
761
762 /* QPC/EEC/CQC/EQC/RDMARC attributes */
763
764 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
765 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
766 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
767 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
768 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
769 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
770 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
771 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
772 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
773 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
774 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
775 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
776
777 /* multicast attributes */
778
779 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
780 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
781 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
782 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
783
784 /* TPT attributes */
785
786 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
787 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
788 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
789 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
790
791 /* UAR attributes */
792
793 MLX4_PUT(inbox, (u8) (PAGE_SHIFT - 12), INIT_HCA_UAR_PAGE_SZ_OFFSET);
794 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
795
796 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000);
797
798 if (err)
799 mlx4_err(dev, "INIT_HCA returns %d\n", err);
800
801 mlx4_free_cmd_mailbox(dev, mailbox);
802 return err;
803 }
804
805 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
806 {
807 struct mlx4_cmd_mailbox *mailbox;
808 u32 *inbox;
809 int err;
810 u32 flags;
811 u16 field;
812
813 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
814 #define INIT_PORT_IN_SIZE 256
815 #define INIT_PORT_FLAGS_OFFSET 0x00
816 #define INIT_PORT_FLAG_SIG (1 << 18)
817 #define INIT_PORT_FLAG_NG (1 << 17)
818 #define INIT_PORT_FLAG_G0 (1 << 16)
819 #define INIT_PORT_VL_SHIFT 4
820 #define INIT_PORT_PORT_WIDTH_SHIFT 8
821 #define INIT_PORT_MTU_OFFSET 0x04
822 #define INIT_PORT_MAX_GID_OFFSET 0x06
823 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
824 #define INIT_PORT_GUID0_OFFSET 0x10
825 #define INIT_PORT_NODE_GUID_OFFSET 0x18
826 #define INIT_PORT_SI_GUID_OFFSET 0x20
827
828 mailbox = mlx4_alloc_cmd_mailbox(dev);
829 if (IS_ERR(mailbox))
830 return PTR_ERR(mailbox);
831 inbox = mailbox->buf;
832
833 memset(inbox, 0, INIT_PORT_IN_SIZE);
834
835 flags = 0;
836 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
837 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
838 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
839
840 field = 128 << dev->caps.ib_mtu_cap[port];
841 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
842 field = dev->caps.gid_table_len[port];
843 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
844 field = dev->caps.pkey_table_len[port];
845 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
846
847 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
848 MLX4_CMD_TIME_CLASS_A);
849
850 mlx4_free_cmd_mailbox(dev, mailbox);
851 } else
852 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
853 MLX4_CMD_TIME_CLASS_A);
854
855 return err;
856 }
857 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
858
859 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
860 {
861 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000);
862 }
863 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
864
865 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
866 {
867 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000);
868 }
869
870 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
871 {
872 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
873 MLX4_CMD_SET_ICM_SIZE,
874 MLX4_CMD_TIME_CLASS_A);
875 if (ret)
876 return ret;
877
878 /*
879 * Round up number of system pages needed in case
880 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
881 */
882 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
883 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
884
885 return 0;
886 }
887
888 int mlx4_NOP(struct mlx4_dev *dev)
889 {
890 /* Input modifier of 0x1f means "finish as soon as possible." */
891 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
892 }
Tomato firmware and modifications.