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IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters
[linux-2.6-block.git] / drivers / net / mlx4 / fw.c
CommitLineData
225c7b1f
RD		 1/*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
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
37#include "fw.h"
38#include "icm.h"
39
40extern void __buggy_use_of_MLX4_GET(void);
41extern void __buggy_use_of_MLX4_PUT(void);
42
43#define MLX4_GET(dest, source, offset) \
44 do { \
45 void *__p = (char *) (source) + (offset); \
46 switch (sizeof (dest)) { \
47 case 1: (dest) = *(u8 *) __p; break; \
48 case 2: (dest) = be16_to_cpup(__p); break; \
49 case 4: (dest) = be32_to_cpup(__p); break; \
50 case 8: (dest) = be64_to_cpup(__p); break; \
51 default: __buggy_use_of_MLX4_GET(); \
52 } \
53 } while (0)
54
55#define MLX4_PUT(dest, source, offset) \
56 do { \
57 void *__d = ((char *) (dest) + (offset)); \
58 switch (sizeof(source)) { \
59 case 1: *(u8 *) __d = (source); break; \
60 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
61 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
62 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
63 default: __buggy_use_of_MLX4_PUT(); \
64 } \
65 } while (0)
66
67static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
68{
69 static const char *fname[] = {
70 [ 0] = "RC transport",
71 [ 1] = "UC transport",
72 [ 2] = "UD transport",
73 [ 3] = "SRC transport",
74 [ 4] = "reliable multicast",
75 [ 5] = "FCoIB support",
76 [ 6] = "SRQ support",
77 [ 7] = "IPoIB checksum offload",
78 [ 8] = "P_Key violation counter",
79 [ 9] = "Q_Key violation counter",
80 [10] = "VMM",
81 [16] = "MW support",
82 [17] = "APM support",
83 [18] = "Atomic ops support",
84 [19] = "Raw multicast support",
85 [20] = "Address vector port checking support",
86 [21] = "UD multicast support",
87 [24] = "Demand paging support",
88 [25] = "Router support"
89 };
90 int i;
91
92 mlx4_dbg(dev, "DEV_CAP flags:\n");
93 for (i = 0; i < 32; ++i)
94 if (fname[i] && (flags & (1 << i)))
95 mlx4_dbg(dev, " %s\n", fname[i]);
96}
97
98int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
99{
100 struct mlx4_cmd_mailbox *mailbox;
101 u32 *outbox;
102 u8 field;
103 u16 size;
104 u16 stat_rate;
105 int err;
106
107#define QUERY_DEV_CAP_OUT_SIZE 0x100
108#define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
109#define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
110#define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
111#define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
112#define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
113#define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
114#define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
115#define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
116#define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
117#define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
118#define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
119#define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
120#define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
121#define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
122#define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
123#define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
124#define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
125#define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
126#define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
127#define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
128#define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
129#define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
130#define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
131#define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
132#define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
133#define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
134#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
135#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
136#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
137#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
138#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
139#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
140#define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
141#define QUERY_DEV_CAP_BF_OFFSET 0x4c
142#define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
143#define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
144#define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
145#define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
146#define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
147#define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
148#define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
149#define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
150#define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
151#define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
152#define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
153#define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
154#define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
155#define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
156#define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
157#define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
158#define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
159#define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
160#define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
161#define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
162#define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
163#define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
164#define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x97
165#define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
166#define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
167
168 mailbox = mlx4_alloc_cmd_mailbox(dev);
169 if (IS_ERR(mailbox))
170 return PTR_ERR(mailbox);
171 outbox = mailbox->buf;
172
173 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
174 MLX4_CMD_TIME_CLASS_A);
175
176 if (err)
177 goto out;
178
179 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
180 dev_cap->reserved_qps = 1 << (field & 0xf);
181 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
182 dev_cap->max_qps = 1 << (field & 0x1f);
183 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
184 dev_cap->reserved_srqs = 1 << (field >> 4);
185 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
186 dev_cap->max_srqs = 1 << (field & 0x1f);
187 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
188 dev_cap->max_cq_sz = 1 << field;
189 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
190 dev_cap->reserved_cqs = 1 << (field & 0xf);
191 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
192 dev_cap->max_cqs = 1 << (field & 0x1f);
193 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
194 dev_cap->max_mpts = 1 << (field & 0x3f);
195 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
196 dev_cap->reserved_eqs = 1 << (field & 0xf);
197 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
198 dev_cap->max_eqs = 1 << (field & 0x7);
199 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
200 dev_cap->reserved_mtts = 1 << (field >> 4);
201 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
202 dev_cap->max_mrw_sz = 1 << field;
203 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
204 dev_cap->reserved_mrws = 1 << (field & 0xf);
205 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
206 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
207 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
208 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
209 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
210 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
211 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
212 dev_cap->max_rdma_global = 1 << (field & 0x3f);
213 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
214 dev_cap->local_ca_ack_delay = field & 0x1f;
215 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
216 dev_cap->max_mtu = field >> 4;
217 dev_cap->max_port_width = field & 0xf;
218 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
219 dev_cap->max_vl = field >> 4;
220 dev_cap->num_ports = field & 0xf;
221 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
222 dev_cap->max_gids = 1 << (field & 0xf);
223 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
224 dev_cap->stat_rate_support = stat_rate;
225 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
226 dev_cap->max_pkeys = 1 << (field & 0xf);
227 MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
228 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
229 dev_cap->reserved_uars = field >> 4;
230 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
231 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
232 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
233 dev_cap->min_page_sz = 1 << field;
234
235 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
236 if (field & 0x80) {
237 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
238 dev_cap->bf_reg_size = 1 << (field & 0x1f);
239 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
240 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
241 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
242 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
243 } else {
244 dev_cap->bf_reg_size = 0;
245 mlx4_dbg(dev, "BlueFlame not available\n");
246 }
247
248 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
249 dev_cap->max_sq_sg = field;
250 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
251 dev_cap->max_sq_desc_sz = size;
252
253 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
254 dev_cap->max_qp_per_mcg = 1 << field;
255 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
256 dev_cap->reserved_mgms = field & 0xf;
257 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
258 dev_cap->max_mcgs = 1 << field;
259 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
260 dev_cap->reserved_pds = field >> 4;
261 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
262 dev_cap->max_pds = 1 << (field & 0x3f);
263
264 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
265 dev_cap->rdmarc_entry_sz = size;
266 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
267 dev_cap->qpc_entry_sz = size;
268 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
269 dev_cap->aux_entry_sz = size;
270 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
271 dev_cap->altc_entry_sz = size;
272 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
273 dev_cap->eqc_entry_sz = size;
274 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
275 dev_cap->cqc_entry_sz = size;
276 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
277 dev_cap->srq_entry_sz = size;
278 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
279 dev_cap->cmpt_entry_sz = size;
280 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
281 dev_cap->mtt_entry_sz = size;
282 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
283 dev_cap->dmpt_entry_sz = size;
284
285 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
286 dev_cap->max_srq_sz = 1 << field;
287 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
288 dev_cap->max_qp_sz = 1 << field;
289 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
290 dev_cap->resize_srq = field & 1;
291 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
292 dev_cap->max_rq_sg = field;
293 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
294 dev_cap->max_rq_desc_sz = size;
295
296 MLX4_GET(dev_cap->bmme_flags, outbox,
297 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
298 MLX4_GET(dev_cap->reserved_lkey, outbox,
299 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
300 MLX4_GET(dev_cap->max_icm_sz, outbox,
301 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
302
303 if (dev_cap->bmme_flags & 1)
304 mlx4_dbg(dev, "Base MM extensions: yes "
305 "(flags %d, rsvd L_Key %08x)\n",
306 dev_cap->bmme_flags, dev_cap->reserved_lkey);
307 else
308 mlx4_dbg(dev, "Base MM extensions: no\n");
309
310 /*
311 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
312 * we can't use any EQs whose doorbell falls on that page,
313 * even if the EQ itself isn't reserved.
314 */
315 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
316 dev_cap->reserved_eqs);
317
318 mlx4_dbg(dev, "Max ICM size %lld MB\n",
319 (unsigned long long) dev_cap->max_icm_sz >> 20);
320 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
321 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
322 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
323 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
324 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
325 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
326 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
327 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
328 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
329 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
330 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
331 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
332 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
333 dev_cap->max_pds, dev_cap->reserved_mgms);
334 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
335 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
336 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
337 dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu,
338 dev_cap->max_port_width);
339 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
340 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
341 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
342 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
343
344 dump_dev_cap_flags(dev, dev_cap->flags);
345
346out:
347 mlx4_free_cmd_mailbox(dev, mailbox);
348 return err;
349}
350
351int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
352{
353 struct mlx4_cmd_mailbox *mailbox;
354 struct mlx4_icm_iter iter;
355 __be64 *pages;
356 int lg;
357 int nent = 0;
358 int i;
359 int err = 0;
360 int ts = 0, tc = 0;
361
362 mailbox = mlx4_alloc_cmd_mailbox(dev);
363 if (IS_ERR(mailbox))
364 return PTR_ERR(mailbox);
365 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
366 pages = mailbox->buf;
367
368 for (mlx4_icm_first(icm, &iter);
369 !mlx4_icm_last(&iter);
370 mlx4_icm_next(&iter)) {
371 /*
372 * We have to pass pages that are aligned to their
373 * size, so find the least significant 1 in the
374 * address or size and use that as our log2 size.
375 */
376 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
377 if (lg < MLX4_ICM_PAGE_SHIFT) {
378 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
379 MLX4_ICM_PAGE_SIZE,
380 (unsigned long long) mlx4_icm_addr(&iter),
381 mlx4_icm_size(&iter));
382 err = -EINVAL;
383 goto out;
384 }
385
386 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
387 if (virt != -1) {
388 pages[nent * 2] = cpu_to_be64(virt);
389 virt += 1 << lg;
390 }
391
392 pages[nent * 2 + 1] =
393 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
394 (lg - MLX4_ICM_PAGE_SHIFT));
395 ts += 1 << (lg - 10);
396 ++tc;
397
398 if (++nent == MLX4_MAILBOX_SIZE / 16) {
399 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
400 MLX4_CMD_TIME_CLASS_B);
401 if (err)
402 goto out;
403 nent = 0;
404 }
405 }
406 }
407
408 if (nent)
409 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, MLX4_CMD_TIME_CLASS_B);
410 if (err)
411 goto out;
412
413 switch (op) {
414 case MLX4_CMD_MAP_FA:
415 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
416 break;
417 case MLX4_CMD_MAP_ICM_AUX:
418 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
419 break;
420 case MLX4_CMD_MAP_ICM:
421 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
422 tc, ts, (unsigned long long) virt - (ts << 10));
423 break;
424 }
425
426out:
427 mlx4_free_cmd_mailbox(dev, mailbox);
428 return err;
429}
430
431int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
432{
433 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
434}
435
436int mlx4_UNMAP_FA(struct mlx4_dev *dev)
437{
438 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, MLX4_CMD_TIME_CLASS_B);
439}
440
441
442int mlx4_RUN_FW(struct mlx4_dev *dev)
443{
444 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, MLX4_CMD_TIME_CLASS_A);
445}
446
447int mlx4_QUERY_FW(struct mlx4_dev *dev)
448{
449 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
450 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
451 struct mlx4_cmd_mailbox *mailbox;
452 u32 *outbox;
453 int err = 0;
454 u64 fw_ver;
455 u8 lg;
456
457#define QUERY_FW_OUT_SIZE 0x100
458#define QUERY_FW_VER_OFFSET 0x00
459#define QUERY_FW_MAX_CMD_OFFSET 0x0f
460#define QUERY_FW_ERR_START_OFFSET 0x30
461#define QUERY_FW_ERR_SIZE_OFFSET 0x38
462#define QUERY_FW_ERR_BAR_OFFSET 0x3c
463
464#define QUERY_FW_SIZE_OFFSET 0x00
465#define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
466#define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
467
468 mailbox = mlx4_alloc_cmd_mailbox(dev);
469 if (IS_ERR(mailbox))
470 return PTR_ERR(mailbox);
471 outbox = mailbox->buf;
472
473 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
474 MLX4_CMD_TIME_CLASS_A);
475 if (err)
476 goto out;
477
478 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
479 /*
480 * FW subminor version is at more signifant bits than minor
481 * version, so swap here.
482 */
483 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
484 ((fw_ver & 0xffff0000ull) >> 16) |
485 ((fw_ver & 0x0000ffffull) << 16);
486
487 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
488 cmd->max_cmds = 1 << lg;
489
490 mlx4_dbg(dev, "FW version %d.%d.%03d, max commands %d\n",
491 (int) (dev->caps.fw_ver >> 32),
492 (int) (dev->caps.fw_ver >> 16) & 0xffff,
493 (int) dev->caps.fw_ver & 0xffff,
494 cmd->max_cmds);
495
496 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
497 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
498 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
499 fw->catas_bar = (fw->catas_bar >> 6) * 2;
500
501 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
502 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
503
504 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
505 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
506 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
507 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
508
509 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
510
511 /*
512 * Round up number of system pages needed in case
513 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
514 */
515 fw->fw_pages =
516 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
517 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
518
519 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
520 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
521
522out:
523 mlx4_free_cmd_mailbox(dev, mailbox);
524 return err;
525}
526
527static void get_board_id(void *vsd, char *board_id)
528{
529 int i;
530
531#define VSD_OFFSET_SIG1 0x00
532#define VSD_OFFSET_SIG2 0xde
533#define VSD_OFFSET_MLX_BOARD_ID 0xd0
534#define VSD_OFFSET_TS_BOARD_ID 0x20
535
536#define VSD_SIGNATURE_TOPSPIN 0x5ad
537
538 memset(board_id, 0, MLX4_BOARD_ID_LEN);
539
540 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
541 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
542 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
543 } else {
544 /*
545 * The board ID is a string but the firmware byte
546 * swaps each 4-byte word before passing it back to
547 * us. Therefore we need to swab it before printing.
548 */
549 for (i = 0; i < 4; ++i)
550 ((u32 *) board_id)[i] =
551 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
552 }
553}
554
555int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
556{
557 struct mlx4_cmd_mailbox *mailbox;
558 u32 *outbox;
559 int err;
560
561#define QUERY_ADAPTER_OUT_SIZE 0x100
562#define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00
563#define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04
564#define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
565#define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
566#define QUERY_ADAPTER_VSD_OFFSET 0x20
567
568 mailbox = mlx4_alloc_cmd_mailbox(dev);
569 if (IS_ERR(mailbox))
570 return PTR_ERR(mailbox);
571 outbox = mailbox->buf;
572
573 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
574 MLX4_CMD_TIME_CLASS_A);
575 if (err)
576 goto out;
577
578 MLX4_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET);
579 MLX4_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET);
580 MLX4_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET);
581 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
582
583 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
584 adapter->board_id);
585
586out:
587 mlx4_free_cmd_mailbox(dev, mailbox);
588 return err;
589}
590
591int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
592{
593 struct mlx4_cmd_mailbox *mailbox;
594 __be32 *inbox;
595 int err;
596
597#define INIT_HCA_IN_SIZE 0x200
598#define INIT_HCA_VERSION_OFFSET 0x000
599#define INIT_HCA_VERSION 2
600#define INIT_HCA_FLAGS_OFFSET 0x014
601#define INIT_HCA_QPC_OFFSET 0x020
602#define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
603#define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
604#define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
605#define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
606#define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
607#define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
608#define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
609#define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
610#define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
611#define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
612#define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
613#define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
614#define INIT_HCA_MCAST_OFFSET 0x0c0
615#define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
616#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
617#define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
618#define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
619#define INIT_HCA_TPT_OFFSET 0x0f0
620#define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
621#define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
622#define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
623#define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
624#define INIT_HCA_UAR_OFFSET 0x120
625#define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
626#define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
627
628 mailbox = mlx4_alloc_cmd_mailbox(dev);
629 if (IS_ERR(mailbox))
630 return PTR_ERR(mailbox);
631 inbox = mailbox->buf;
632
633 memset(inbox, 0, INIT_HCA_IN_SIZE);
634
635 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
636
637#if defined(__LITTLE_ENDIAN)
638 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
639#elif defined(__BIG_ENDIAN)
640 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
641#else
642#error Host endianness not defined
643#endif
644 /* Check port for UD address vector: */
645 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
646
647 /* QPC/EEC/CQC/EQC/RDMARC attributes */
648
649 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
650 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
651 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
652 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
653 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
654 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
655 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
656 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
657 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
658 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
659 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
660 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
661
662 /* multicast attributes */
663
664 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
665 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
666 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
667 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
668
669 /* TPT attributes */
670
671 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
672 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
673 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
674 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
675
676 /* UAR attributes */
677
678 MLX4_PUT(inbox, (u8) (PAGE_SHIFT - 12), INIT_HCA_UAR_PAGE_SZ_OFFSET);
679 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
680
681 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 1000);
682
683 if (err)
684 mlx4_err(dev, "INIT_HCA returns %d\n", err);
685
686 mlx4_free_cmd_mailbox(dev, mailbox);
687 return err;
688}
689
690int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int port)
691{
692 struct mlx4_cmd_mailbox *mailbox;
693 u32 *inbox;
694 int err;
695 u32 flags;
696
697#define INIT_PORT_IN_SIZE 256
698#define INIT_PORT_FLAGS_OFFSET 0x00
699#define INIT_PORT_FLAG_SIG (1 << 18)
700#define INIT_PORT_FLAG_NG (1 << 17)
701#define INIT_PORT_FLAG_G0 (1 << 16)
702#define INIT_PORT_VL_SHIFT 4
703#define INIT_PORT_PORT_WIDTH_SHIFT 8
704#define INIT_PORT_MTU_OFFSET 0x04
705#define INIT_PORT_MAX_GID_OFFSET 0x06
706#define INIT_PORT_MAX_PKEY_OFFSET 0x0a
707#define INIT_PORT_GUID0_OFFSET 0x10
708#define INIT_PORT_NODE_GUID_OFFSET 0x18
709#define INIT_PORT_SI_GUID_OFFSET 0x20
710
711 mailbox = mlx4_alloc_cmd_mailbox(dev);
712 if (IS_ERR(mailbox))
713 return PTR_ERR(mailbox);
714 inbox = mailbox->buf;
715
716 memset(inbox, 0, INIT_PORT_IN_SIZE);
717
718 flags = 0;
719 flags |= param->set_guid0 ? INIT_PORT_FLAG_G0 : 0;
720 flags |= param->set_node_guid ? INIT_PORT_FLAG_NG : 0;
721 flags |= param->set_si_guid ? INIT_PORT_FLAG_SIG : 0;
722 flags |= (param->vl_cap & 0xf) << INIT_PORT_VL_SHIFT;
723 flags |= (param->port_width_cap & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
724 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
725
726 MLX4_PUT(inbox, param->mtu, INIT_PORT_MTU_OFFSET);
727 MLX4_PUT(inbox, param->max_gid, INIT_PORT_MAX_GID_OFFSET);
728 MLX4_PUT(inbox, param->max_pkey, INIT_PORT_MAX_PKEY_OFFSET);
729 MLX4_PUT(inbox, param->guid0, INIT_PORT_GUID0_OFFSET);
730 MLX4_PUT(inbox, param->node_guid, INIT_PORT_NODE_GUID_OFFSET);
731 MLX4_PUT(inbox, param->si_guid, INIT_PORT_SI_GUID_OFFSET);
732
733 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
734 MLX4_CMD_TIME_CLASS_A);
735
736 mlx4_free_cmd_mailbox(dev, mailbox);
737
738 return err;
739}
740EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
741
742int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
743{
744 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000);
745}
746EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
747
748int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
749{
750 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000);
751}
752
753int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
754{
755 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
756 MLX4_CMD_SET_ICM_SIZE,
757 MLX4_CMD_TIME_CLASS_A);
758 if (ret)
759 return ret;
760
761 /*
762 * Round up number of system pages needed in case
763 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
764 */
765 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
766 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
767
768 return 0;
769}
770
771int mlx4_NOP(struct mlx4_dev *dev)
772{
773 /* Input modifier of 0x1f means "finish as soon as possible." */
774 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
775}
Linux 6.x block layer and io_uring tree(s)