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/etherdevice.h>
36 #include <linux/mlx4/cmd.h>
37 #include <linux/module.h>
38 #include <linux/cache.h>
44 MLX4_COMMAND_INTERFACE_MIN_REV = 2,
45 MLX4_COMMAND_INTERFACE_MAX_REV = 3,
46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
49 extern void __buggy_use_of_MLX4_GET(void);
50 extern void __buggy_use_of_MLX4_PUT(void);
52 static bool enable_qos;
53 module_param(enable_qos, bool, 0444);
54 MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)");
56 #define MLX4_GET(dest, source, offset) \
58 void *__p = (char *) (source) + (offset); \
59 switch (sizeof (dest)) { \
60 case 1: (dest) = *(u8 *) __p; break; \
61 case 2: (dest) = be16_to_cpup(__p); break; \
62 case 4: (dest) = be32_to_cpup(__p); break; \
63 case 8: (dest) = be64_to_cpup(__p); break; \
64 default: __buggy_use_of_MLX4_GET(); \
68 #define MLX4_PUT(dest, source, offset) \
70 void *__d = ((char *) (dest) + (offset)); \
71 switch (sizeof(source)) { \
72 case 1: *(u8 *) __d = (source); break; \
73 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
74 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
75 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
76 default: __buggy_use_of_MLX4_PUT(); \
80 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
82 static const char *fname[] = {
83 [ 0] = "RC transport",
84 [ 1] = "UC transport",
85 [ 2] = "UD transport",
86 [ 3] = "XRC transport",
87 [ 4] = "reliable multicast",
88 [ 5] = "FCoIB support",
90 [ 7] = "IPoIB checksum offload",
91 [ 8] = "P_Key violation counter",
92 [ 9] = "Q_Key violation counter",
94 [12] = "Dual Port Different Protocol (DPDP) support",
95 [15] = "Big LSO headers",
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 [32] = "Unicast loopback support",
106 [34] = "FCS header control",
107 [38] = "Wake On LAN support",
108 [40] = "UDP RSS support",
109 [41] = "Unicast VEP steering support",
110 [42] = "Multicast VEP steering support",
111 [48] = "Counters support",
112 [53] = "Port ETS Scheduler support",
113 [55] = "Port link type sensing support",
114 [59] = "Port management change event support",
115 [61] = "64 byte EQE support",
116 [62] = "64 byte CQE support",
120 mlx4_dbg(dev, "DEV_CAP flags:\n");
121 for (i = 0; i < ARRAY_SIZE(fname); ++i)
122 if (fname[i] && (flags & (1LL << i)))
123 mlx4_dbg(dev, " %s\n", fname[i]);
126 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
128 static const char * const fname[] = {
130 [1] = "RSS Toeplitz Hash Function support",
131 [2] = "RSS XOR Hash Function support",
132 [3] = "Device managed flow steering support",
133 [4] = "Automatic MAC reassignment support",
134 [5] = "Time stamping support",
135 [6] = "VST (control vlan insertion/stripping) support",
136 [7] = "FSM (MAC anti-spoofing) support",
137 [8] = "Dynamic QP updates support",
138 [9] = "Device managed flow steering IPoIB support",
139 [10] = "TCP/IP offloads/flow-steering for VXLAN support"
143 for (i = 0; i < ARRAY_SIZE(fname); ++i)
144 if (fname[i] && (flags & (1LL << i)))
145 mlx4_dbg(dev, " %s\n", fname[i]);
148 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
150 struct mlx4_cmd_mailbox *mailbox;
154 #define MOD_STAT_CFG_IN_SIZE 0x100
156 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
157 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
159 mailbox = mlx4_alloc_cmd_mailbox(dev);
161 return PTR_ERR(mailbox);
162 inbox = mailbox->buf;
164 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
165 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
167 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
168 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
170 mlx4_free_cmd_mailbox(dev, mailbox);
174 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
175 struct mlx4_vhcr *vhcr,
176 struct mlx4_cmd_mailbox *inbox,
177 struct mlx4_cmd_mailbox *outbox,
178 struct mlx4_cmd_info *cmd)
180 struct mlx4_priv *priv = mlx4_priv(dev);
185 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
186 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
187 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
188 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
189 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
190 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
191 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
192 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
193 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
194 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
195 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
196 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
198 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
199 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
200 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
201 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
202 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
203 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
205 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
206 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
207 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
208 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
210 /* when opcode modifier = 1 */
211 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
212 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
213 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
215 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
216 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
217 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
218 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
219 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
221 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
222 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
223 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
225 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
227 if (vhcr->op_modifier == 1) {
228 /* Set nic_info bit to mark new fields support */
229 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
230 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
232 field = vhcr->in_modifier; /* phys-port = logical-port */
233 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
235 /* size is now the QP number */
236 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1;
237 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
240 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
242 size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1;
243 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY);
246 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY);
248 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
249 QUERY_FUNC_CAP_PHYS_PORT_ID);
251 } else if (vhcr->op_modifier == 0) {
252 /* enable rdma and ethernet interfaces, and new quota locations */
253 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
254 QUERY_FUNC_CAP_FLAG_QUOTAS);
255 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
257 field = dev->caps.num_ports;
258 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
260 size = dev->caps.function_caps; /* set PF behaviours */
261 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
263 field = 0; /* protected FMR support not available as yet */
264 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
266 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
267 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
268 size = dev->caps.num_qps;
269 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
271 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
272 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
273 size = dev->caps.num_srqs;
274 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
276 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
277 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
278 size = dev->caps.num_cqs;
279 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
281 size = dev->caps.num_eqs;
282 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
284 size = dev->caps.reserved_eqs;
285 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
287 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
288 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
289 size = dev->caps.num_mpts;
290 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
292 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
293 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
294 size = dev->caps.num_mtts;
295 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
297 size = dev->caps.num_mgms + dev->caps.num_amgms;
298 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
299 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
307 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
308 struct mlx4_func_cap *func_cap)
310 struct mlx4_cmd_mailbox *mailbox;
312 u8 field, op_modifier;
314 int err = 0, quotas = 0;
316 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
318 mailbox = mlx4_alloc_cmd_mailbox(dev);
320 return PTR_ERR(mailbox);
322 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
323 MLX4_CMD_QUERY_FUNC_CAP,
324 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
328 outbox = mailbox->buf;
331 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
332 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
333 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
334 err = -EPROTONOSUPPORT;
337 func_cap->flags = field;
338 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
340 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
341 func_cap->num_ports = field;
343 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
344 func_cap->pf_context_behaviour = size;
347 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
348 func_cap->qp_quota = size & 0xFFFFFF;
350 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
351 func_cap->srq_quota = size & 0xFFFFFF;
353 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
354 func_cap->cq_quota = size & 0xFFFFFF;
356 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
357 func_cap->mpt_quota = size & 0xFFFFFF;
359 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
360 func_cap->mtt_quota = size & 0xFFFFFF;
362 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
363 func_cap->mcg_quota = size & 0xFFFFFF;
366 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
367 func_cap->qp_quota = size & 0xFFFFFF;
369 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
370 func_cap->srq_quota = size & 0xFFFFFF;
372 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
373 func_cap->cq_quota = size & 0xFFFFFF;
375 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
376 func_cap->mpt_quota = size & 0xFFFFFF;
378 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
379 func_cap->mtt_quota = size & 0xFFFFFF;
381 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
382 func_cap->mcg_quota = size & 0xFFFFFF;
384 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
385 func_cap->max_eq = size & 0xFFFFFF;
387 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
388 func_cap->reserved_eq = size & 0xFFFFFF;
393 /* logical port query */
394 if (gen_or_port > dev->caps.num_ports) {
399 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
400 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
401 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_OFFSET) {
402 mlx4_err(dev, "VLAN is enforced on this port\n");
403 err = -EPROTONOSUPPORT;
407 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
408 mlx4_err(dev, "Force mac is enabled on this port\n");
409 err = -EPROTONOSUPPORT;
412 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
413 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
414 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
415 mlx4_err(dev, "phy_wqe_gid is "
416 "enforced on this ib port\n");
417 err = -EPROTONOSUPPORT;
422 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
423 func_cap->physical_port = field;
424 if (func_cap->physical_port != gen_or_port) {
429 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
430 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
432 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
433 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
435 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
436 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
438 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
439 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
441 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
442 MLX4_GET(func_cap->phys_port_id, outbox,
443 QUERY_FUNC_CAP_PHYS_PORT_ID);
445 /* All other resources are allocated by the master, but we still report
446 * 'num' and 'reserved' capabilities as follows:
447 * - num remains the maximum resource index
448 * - 'num - reserved' is the total available objects of a resource, but
449 * resource indices may be less than 'reserved'
450 * TODO: set per-resource quotas */
453 mlx4_free_cmd_mailbox(dev, mailbox);
458 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
460 struct mlx4_cmd_mailbox *mailbox;
463 u32 field32, flags, ext_flags;
469 #define QUERY_DEV_CAP_OUT_SIZE 0x100
470 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
471 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
472 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
473 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
474 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
475 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
476 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
477 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
478 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
479 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
480 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
481 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
482 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
483 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
484 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
485 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
486 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
487 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
488 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
489 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
490 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
491 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
492 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
493 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
494 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
495 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
496 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
497 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
498 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
499 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
500 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
501 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
502 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
503 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
504 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
505 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
506 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
507 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
508 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
509 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
510 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
511 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
512 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
513 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
514 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
515 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
516 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
517 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
518 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
519 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
520 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
521 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
522 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
523 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
524 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
525 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
526 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
527 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
528 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
529 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
530 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
531 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
532 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
533 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
534 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
535 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
536 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
537 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
538 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
539 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
540 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
541 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
542 #define QUERY_DEV_CAP_VXLAN 0x9e
545 mailbox = mlx4_alloc_cmd_mailbox(dev);
547 return PTR_ERR(mailbox);
548 outbox = mailbox->buf;
550 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
551 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
555 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
556 dev_cap->reserved_qps = 1 << (field & 0xf);
557 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
558 dev_cap->max_qps = 1 << (field & 0x1f);
559 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
560 dev_cap->reserved_srqs = 1 << (field >> 4);
561 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
562 dev_cap->max_srqs = 1 << (field & 0x1f);
563 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
564 dev_cap->max_cq_sz = 1 << field;
565 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
566 dev_cap->reserved_cqs = 1 << (field & 0xf);
567 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
568 dev_cap->max_cqs = 1 << (field & 0x1f);
569 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
570 dev_cap->max_mpts = 1 << (field & 0x3f);
571 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
572 dev_cap->reserved_eqs = field & 0xf;
573 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
574 dev_cap->max_eqs = 1 << (field & 0xf);
575 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
576 dev_cap->reserved_mtts = 1 << (field >> 4);
577 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
578 dev_cap->max_mrw_sz = 1 << field;
579 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
580 dev_cap->reserved_mrws = 1 << (field & 0xf);
581 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
582 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
583 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
584 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
585 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
586 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
587 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
590 dev_cap->max_gso_sz = 0;
592 dev_cap->max_gso_sz = 1 << field;
594 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
596 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
598 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
601 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
602 dev_cap->max_rss_tbl_sz = 1 << field;
604 dev_cap->max_rss_tbl_sz = 0;
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
606 dev_cap->max_rdma_global = 1 << (field & 0x3f);
607 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
608 dev_cap->local_ca_ack_delay = field & 0x1f;
609 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
610 dev_cap->num_ports = field & 0xf;
611 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
612 dev_cap->max_msg_sz = 1 << (field & 0x1f);
613 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
615 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
616 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
617 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
619 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
620 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
621 dev_cap->fs_max_num_qp_per_entry = field;
622 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
623 dev_cap->stat_rate_support = stat_rate;
624 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
626 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
627 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
628 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
629 dev_cap->flags = flags | (u64)ext_flags << 32;
630 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
631 dev_cap->reserved_uars = field >> 4;
632 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
633 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
634 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
635 dev_cap->min_page_sz = 1 << field;
637 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
639 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
640 dev_cap->bf_reg_size = 1 << (field & 0x1f);
641 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
642 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
644 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
645 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
646 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
648 dev_cap->bf_reg_size = 0;
649 mlx4_dbg(dev, "BlueFlame not available\n");
652 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
653 dev_cap->max_sq_sg = field;
654 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
655 dev_cap->max_sq_desc_sz = size;
657 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
658 dev_cap->max_qp_per_mcg = 1 << field;
659 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
660 dev_cap->reserved_mgms = field & 0xf;
661 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
662 dev_cap->max_mcgs = 1 << field;
663 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
664 dev_cap->reserved_pds = field >> 4;
665 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
666 dev_cap->max_pds = 1 << (field & 0x3f);
667 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
668 dev_cap->reserved_xrcds = field >> 4;
669 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
670 dev_cap->max_xrcds = 1 << (field & 0x1f);
672 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
673 dev_cap->rdmarc_entry_sz = size;
674 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
675 dev_cap->qpc_entry_sz = size;
676 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
677 dev_cap->aux_entry_sz = size;
678 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
679 dev_cap->altc_entry_sz = size;
680 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
681 dev_cap->eqc_entry_sz = size;
682 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
683 dev_cap->cqc_entry_sz = size;
684 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
685 dev_cap->srq_entry_sz = size;
686 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
687 dev_cap->cmpt_entry_sz = size;
688 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
689 dev_cap->mtt_entry_sz = size;
690 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
691 dev_cap->dmpt_entry_sz = size;
693 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
694 dev_cap->max_srq_sz = 1 << field;
695 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
696 dev_cap->max_qp_sz = 1 << field;
697 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
698 dev_cap->resize_srq = field & 1;
699 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
700 dev_cap->max_rq_sg = field;
701 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
702 dev_cap->max_rq_desc_sz = size;
704 MLX4_GET(dev_cap->bmme_flags, outbox,
705 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
706 MLX4_GET(dev_cap->reserved_lkey, outbox,
707 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
708 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
710 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
711 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
713 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
714 MLX4_GET(dev_cap->max_icm_sz, outbox,
715 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
716 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
717 MLX4_GET(dev_cap->max_counters, outbox,
718 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
720 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
721 if (field32 & (1 << 16))
722 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
723 if (field32 & (1 << 26))
724 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
725 if (field32 & (1 << 20))
726 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
728 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
729 for (i = 1; i <= dev_cap->num_ports; ++i) {
730 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
731 dev_cap->max_vl[i] = field >> 4;
732 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
733 dev_cap->ib_mtu[i] = field >> 4;
734 dev_cap->max_port_width[i] = field & 0xf;
735 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
736 dev_cap->max_gids[i] = 1 << (field & 0xf);
737 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
738 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
741 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
742 #define QUERY_PORT_MTU_OFFSET 0x01
743 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
744 #define QUERY_PORT_WIDTH_OFFSET 0x06
745 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
746 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
747 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
748 #define QUERY_PORT_MAC_OFFSET 0x10
749 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
750 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
751 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
753 for (i = 1; i <= dev_cap->num_ports; ++i) {
754 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
755 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
759 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
760 dev_cap->supported_port_types[i] = field & 3;
761 dev_cap->suggested_type[i] = (field >> 3) & 1;
762 dev_cap->default_sense[i] = (field >> 4) & 1;
763 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
764 dev_cap->ib_mtu[i] = field & 0xf;
765 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
766 dev_cap->max_port_width[i] = field & 0xf;
767 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
768 dev_cap->max_gids[i] = 1 << (field >> 4);
769 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
770 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
771 dev_cap->max_vl[i] = field & 0xf;
772 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
773 dev_cap->log_max_macs[i] = field & 0xf;
774 dev_cap->log_max_vlans[i] = field >> 4;
775 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
776 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
777 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
778 dev_cap->trans_type[i] = field32 >> 24;
779 dev_cap->vendor_oui[i] = field32 & 0xffffff;
780 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
781 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
785 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
786 dev_cap->bmme_flags, dev_cap->reserved_lkey);
789 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
790 * we can't use any EQs whose doorbell falls on that page,
791 * even if the EQ itself isn't reserved.
793 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
794 dev_cap->reserved_eqs);
796 mlx4_dbg(dev, "Max ICM size %lld MB\n",
797 (unsigned long long) dev_cap->max_icm_sz >> 20);
798 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
799 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
800 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
801 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
802 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
803 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
804 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
805 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
806 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
807 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
808 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
809 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
810 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
811 dev_cap->max_pds, dev_cap->reserved_mgms);
812 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
813 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
814 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
815 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
816 dev_cap->max_port_width[1]);
817 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
818 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
819 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
820 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
821 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
822 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
823 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
825 dump_dev_cap_flags(dev, dev_cap->flags);
826 dump_dev_cap_flags2(dev, dev_cap->flags2);
829 mlx4_free_cmd_mailbox(dev, mailbox);
833 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
834 struct mlx4_vhcr *vhcr,
835 struct mlx4_cmd_mailbox *inbox,
836 struct mlx4_cmd_mailbox *outbox,
837 struct mlx4_cmd_info *cmd)
844 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
845 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
849 /* add port mng change event capability and disable mw type 1
850 * unconditionally to slaves
852 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
853 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
854 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
855 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
857 /* For guests, disable timestamp */
858 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
860 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
862 /* For guests, disable vxlan tunneling */
863 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
865 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
867 /* For guests, report Blueflame disabled */
868 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
870 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
872 /* For guests, disable mw type 2 */
873 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
874 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
875 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
877 /* turn off device-managed steering capability if not enabled */
878 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
879 MLX4_GET(field, outbox->buf,
880 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
882 MLX4_PUT(outbox->buf, field,
883 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
886 /* turn off ipoib managed steering for guests */
887 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
889 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
894 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
895 struct mlx4_vhcr *vhcr,
896 struct mlx4_cmd_mailbox *inbox,
897 struct mlx4_cmd_mailbox *outbox,
898 struct mlx4_cmd_info *cmd)
900 struct mlx4_priv *priv = mlx4_priv(dev);
905 int admin_link_state;
907 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
908 #define MLX4_PORT_LINK_UP_MASK 0x80
909 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
910 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
912 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
913 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
916 if (!err && dev->caps.function != slave) {
917 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
918 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
920 /* get port type - currently only eth is enabled */
921 MLX4_GET(port_type, outbox->buf,
922 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
924 /* No link sensing allowed */
925 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
926 /* set port type to currently operating port type */
927 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
929 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
930 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
931 port_type |= MLX4_PORT_LINK_UP_MASK;
932 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
933 port_type &= ~MLX4_PORT_LINK_UP_MASK;
935 MLX4_PUT(outbox->buf, port_type,
936 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
938 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
939 short_field = mlx4_get_slave_num_gids(dev, slave);
941 short_field = 1; /* slave max gids */
942 MLX4_PUT(outbox->buf, short_field,
943 QUERY_PORT_CUR_MAX_GID_OFFSET);
945 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
946 MLX4_PUT(outbox->buf, short_field,
947 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
953 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
954 int *gid_tbl_len, int *pkey_tbl_len)
956 struct mlx4_cmd_mailbox *mailbox;
961 mailbox = mlx4_alloc_cmd_mailbox(dev);
963 return PTR_ERR(mailbox);
965 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
966 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
971 outbox = mailbox->buf;
973 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
974 *gid_tbl_len = field;
976 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
977 *pkey_tbl_len = field;
980 mlx4_free_cmd_mailbox(dev, mailbox);
983 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
985 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
987 struct mlx4_cmd_mailbox *mailbox;
988 struct mlx4_icm_iter iter;
996 mailbox = mlx4_alloc_cmd_mailbox(dev);
998 return PTR_ERR(mailbox);
999 pages = mailbox->buf;
1001 for (mlx4_icm_first(icm, &iter);
1002 !mlx4_icm_last(&iter);
1003 mlx4_icm_next(&iter)) {
1005 * We have to pass pages that are aligned to their
1006 * size, so find the least significant 1 in the
1007 * address or size and use that as our log2 size.
1009 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
1010 if (lg < MLX4_ICM_PAGE_SHIFT) {
1011 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n",
1013 (unsigned long long) mlx4_icm_addr(&iter),
1014 mlx4_icm_size(&iter));
1019 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
1021 pages[nent * 2] = cpu_to_be64(virt);
1025 pages[nent * 2 + 1] =
1026 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1027 (lg - MLX4_ICM_PAGE_SHIFT));
1028 ts += 1 << (lg - 10);
1031 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1032 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1033 MLX4_CMD_TIME_CLASS_B,
1043 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1044 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1049 case MLX4_CMD_MAP_FA:
1050 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts);
1052 case MLX4_CMD_MAP_ICM_AUX:
1053 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts);
1055 case MLX4_CMD_MAP_ICM:
1056 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n",
1057 tc, ts, (unsigned long long) virt - (ts << 10));
1062 mlx4_free_cmd_mailbox(dev, mailbox);
1066 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1068 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1071 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1073 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1074 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1078 int mlx4_RUN_FW(struct mlx4_dev *dev)
1080 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1081 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1084 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1086 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1087 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1088 struct mlx4_cmd_mailbox *mailbox;
1095 #define QUERY_FW_OUT_SIZE 0x100
1096 #define QUERY_FW_VER_OFFSET 0x00
1097 #define QUERY_FW_PPF_ID 0x09
1098 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1099 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1100 #define QUERY_FW_ERR_START_OFFSET 0x30
1101 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1102 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1104 #define QUERY_FW_SIZE_OFFSET 0x00
1105 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1106 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1108 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1109 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1111 #define QUERY_FW_CLOCK_OFFSET 0x50
1112 #define QUERY_FW_CLOCK_BAR 0x58
1114 mailbox = mlx4_alloc_cmd_mailbox(dev);
1115 if (IS_ERR(mailbox))
1116 return PTR_ERR(mailbox);
1117 outbox = mailbox->buf;
1119 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1120 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1124 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1126 * FW subminor version is at more significant bits than minor
1127 * version, so swap here.
1129 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1130 ((fw_ver & 0xffff0000ull) >> 16) |
1131 ((fw_ver & 0x0000ffffull) << 16);
1133 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1134 dev->caps.function = lg;
1136 if (mlx4_is_slave(dev))
1140 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1141 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1142 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1143 mlx4_err(dev, "Installed FW has unsupported "
1144 "command interface revision %d.\n",
1146 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1147 (int) (dev->caps.fw_ver >> 32),
1148 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1149 (int) dev->caps.fw_ver & 0xffff);
1150 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
1151 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1156 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1157 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1159 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1160 cmd->max_cmds = 1 << lg;
1162 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1163 (int) (dev->caps.fw_ver >> 32),
1164 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1165 (int) dev->caps.fw_ver & 0xffff,
1166 cmd_if_rev, cmd->max_cmds);
1168 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1169 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1170 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1171 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1173 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1174 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1176 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1177 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1178 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1179 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1181 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1182 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1183 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1184 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1185 fw->comm_bar, fw->comm_base);
1186 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1188 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1189 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1190 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1191 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1192 fw->clock_bar, fw->clock_offset);
1195 * Round up number of system pages needed in case
1196 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1199 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1200 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1202 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1203 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1206 mlx4_free_cmd_mailbox(dev, mailbox);
1210 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1211 struct mlx4_vhcr *vhcr,
1212 struct mlx4_cmd_mailbox *inbox,
1213 struct mlx4_cmd_mailbox *outbox,
1214 struct mlx4_cmd_info *cmd)
1219 outbuf = outbox->buf;
1220 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1221 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1225 /* for slaves, set pci PPF ID to invalid and zero out everything
1226 * else except FW version */
1227 outbuf[0] = outbuf[1] = 0;
1228 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1229 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1234 static void get_board_id(void *vsd, char *board_id)
1238 #define VSD_OFFSET_SIG1 0x00
1239 #define VSD_OFFSET_SIG2 0xde
1240 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1241 #define VSD_OFFSET_TS_BOARD_ID 0x20
1243 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1245 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1247 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1248 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1249 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1252 * The board ID is a string but the firmware byte
1253 * swaps each 4-byte word before passing it back to
1254 * us. Therefore we need to swab it before printing.
1256 for (i = 0; i < 4; ++i)
1257 ((u32 *) board_id)[i] =
1258 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1262 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1264 struct mlx4_cmd_mailbox *mailbox;
1268 #define QUERY_ADAPTER_OUT_SIZE 0x100
1269 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1270 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1272 mailbox = mlx4_alloc_cmd_mailbox(dev);
1273 if (IS_ERR(mailbox))
1274 return PTR_ERR(mailbox);
1275 outbox = mailbox->buf;
1277 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1278 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1282 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1284 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1288 mlx4_free_cmd_mailbox(dev, mailbox);
1292 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1294 struct mlx4_cmd_mailbox *mailbox;
1298 #define INIT_HCA_IN_SIZE 0x200
1299 #define INIT_HCA_VERSION_OFFSET 0x000
1300 #define INIT_HCA_VERSION 2
1301 #define INIT_HCA_VXLAN_OFFSET 0x0c
1302 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1303 #define INIT_HCA_FLAGS_OFFSET 0x014
1304 #define INIT_HCA_QPC_OFFSET 0x020
1305 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1306 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1307 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1308 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1309 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1310 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1311 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1312 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1313 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1314 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1315 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1316 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1317 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1318 #define INIT_HCA_MCAST_OFFSET 0x0c0
1319 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1320 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1321 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1322 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1323 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1324 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1325 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1326 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1327 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1328 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1329 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1330 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1331 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1332 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1333 #define INIT_HCA_TPT_OFFSET 0x0f0
1334 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1335 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1336 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1337 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1338 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1339 #define INIT_HCA_UAR_OFFSET 0x120
1340 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1341 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1343 mailbox = mlx4_alloc_cmd_mailbox(dev);
1344 if (IS_ERR(mailbox))
1345 return PTR_ERR(mailbox);
1346 inbox = mailbox->buf;
1348 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1350 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1351 (ilog2(cache_line_size()) - 4) << 5;
1353 #if defined(__LITTLE_ENDIAN)
1354 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1355 #elif defined(__BIG_ENDIAN)
1356 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1358 #error Host endianness not defined
1360 /* Check port for UD address vector: */
1361 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1363 /* Enable IPoIB checksumming if we can: */
1364 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1365 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1367 /* Enable QoS support if module parameter set */
1369 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1371 /* enable counters */
1372 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1373 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1375 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1376 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1377 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1378 dev->caps.eqe_size = 64;
1379 dev->caps.eqe_factor = 1;
1381 dev->caps.eqe_size = 32;
1382 dev->caps.eqe_factor = 0;
1385 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1386 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1387 dev->caps.cqe_size = 64;
1388 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE;
1390 dev->caps.cqe_size = 32;
1393 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1395 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1396 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1397 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1398 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1399 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1400 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1401 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1402 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1403 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1404 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1405 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1406 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1408 /* steering attributes */
1409 if (dev->caps.steering_mode ==
1410 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1411 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1413 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1415 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1416 MLX4_PUT(inbox, param->log_mc_entry_sz,
1417 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1418 MLX4_PUT(inbox, param->log_mc_table_sz,
1419 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1420 /* Enable Ethernet flow steering
1421 * with udp unicast and tcp unicast
1423 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1424 INIT_HCA_FS_ETH_BITS_OFFSET);
1425 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1426 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1427 /* Enable IPoIB flow steering
1428 * with udp unicast and tcp unicast
1430 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1431 INIT_HCA_FS_IB_BITS_OFFSET);
1432 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1433 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1435 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1436 MLX4_PUT(inbox, param->log_mc_entry_sz,
1437 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1438 MLX4_PUT(inbox, param->log_mc_hash_sz,
1439 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1440 MLX4_PUT(inbox, param->log_mc_table_sz,
1441 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1442 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1443 MLX4_PUT(inbox, (u8) (1 << 3),
1444 INIT_HCA_UC_STEERING_OFFSET);
1447 /* TPT attributes */
1449 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1450 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1451 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1452 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1453 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1455 /* UAR attributes */
1457 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1458 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1460 /* set parser VXLAN attributes */
1461 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
1462 u8 parser_params = 0;
1463 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
1466 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1470 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1472 mlx4_free_cmd_mailbox(dev, mailbox);
1476 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1477 struct mlx4_init_hca_param *param)
1479 struct mlx4_cmd_mailbox *mailbox;
1485 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1486 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1488 mailbox = mlx4_alloc_cmd_mailbox(dev);
1489 if (IS_ERR(mailbox))
1490 return PTR_ERR(mailbox);
1491 outbox = mailbox->buf;
1493 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1495 MLX4_CMD_TIME_CLASS_B,
1496 !mlx4_is_slave(dev));
1500 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1501 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1503 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1505 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1506 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1507 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1508 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1509 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1510 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1511 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1512 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1513 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1514 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1515 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1516 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1518 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1519 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1520 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1522 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1523 if (byte_field & 0x8)
1524 param->steering_mode = MLX4_STEERING_MODE_B0;
1526 param->steering_mode = MLX4_STEERING_MODE_A0;
1528 /* steering attributes */
1529 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1530 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1531 MLX4_GET(param->log_mc_entry_sz, outbox,
1532 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1533 MLX4_GET(param->log_mc_table_sz, outbox,
1534 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1536 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1537 MLX4_GET(param->log_mc_entry_sz, outbox,
1538 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1539 MLX4_GET(param->log_mc_hash_sz, outbox,
1540 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1541 MLX4_GET(param->log_mc_table_sz, outbox,
1542 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1545 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1546 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1547 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1548 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1549 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1550 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1552 /* TPT attributes */
1554 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1555 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1556 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1557 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1558 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1560 /* UAR attributes */
1562 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1563 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1566 mlx4_free_cmd_mailbox(dev, mailbox);
1571 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1572 * and real QP0 are active, so that the paravirtualized QP0 is ready
1574 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1576 struct mlx4_priv *priv = mlx4_priv(dev);
1577 /* irrelevant if not infiniband */
1578 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1579 priv->mfunc.master.qp0_state[port].qp0_active)
1584 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1585 struct mlx4_vhcr *vhcr,
1586 struct mlx4_cmd_mailbox *inbox,
1587 struct mlx4_cmd_mailbox *outbox,
1588 struct mlx4_cmd_info *cmd)
1590 struct mlx4_priv *priv = mlx4_priv(dev);
1591 int port = vhcr->in_modifier;
1594 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1597 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1598 /* Enable port only if it was previously disabled */
1599 if (!priv->mfunc.master.init_port_ref[port]) {
1600 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1601 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1605 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1607 if (slave == mlx4_master_func_num(dev)) {
1608 if (check_qp0_state(dev, slave, port) &&
1609 !priv->mfunc.master.qp0_state[port].port_active) {
1610 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1611 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1614 priv->mfunc.master.qp0_state[port].port_active = 1;
1615 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1618 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1620 ++priv->mfunc.master.init_port_ref[port];
1624 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1626 struct mlx4_cmd_mailbox *mailbox;
1632 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1633 #define INIT_PORT_IN_SIZE 256
1634 #define INIT_PORT_FLAGS_OFFSET 0x00
1635 #define INIT_PORT_FLAG_SIG (1 << 18)
1636 #define INIT_PORT_FLAG_NG (1 << 17)
1637 #define INIT_PORT_FLAG_G0 (1 << 16)
1638 #define INIT_PORT_VL_SHIFT 4
1639 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1640 #define INIT_PORT_MTU_OFFSET 0x04
1641 #define INIT_PORT_MAX_GID_OFFSET 0x06
1642 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1643 #define INIT_PORT_GUID0_OFFSET 0x10
1644 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1645 #define INIT_PORT_SI_GUID_OFFSET 0x20
1647 mailbox = mlx4_alloc_cmd_mailbox(dev);
1648 if (IS_ERR(mailbox))
1649 return PTR_ERR(mailbox);
1650 inbox = mailbox->buf;
1653 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1654 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1655 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1657 field = 128 << dev->caps.ib_mtu_cap[port];
1658 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1659 field = dev->caps.gid_table_len[port];
1660 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1661 field = dev->caps.pkey_table_len[port];
1662 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1664 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1665 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1667 mlx4_free_cmd_mailbox(dev, mailbox);
1669 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1670 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1674 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1676 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1677 struct mlx4_vhcr *vhcr,
1678 struct mlx4_cmd_mailbox *inbox,
1679 struct mlx4_cmd_mailbox *outbox,
1680 struct mlx4_cmd_info *cmd)
1682 struct mlx4_priv *priv = mlx4_priv(dev);
1683 int port = vhcr->in_modifier;
1686 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1690 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1691 if (priv->mfunc.master.init_port_ref[port] == 1) {
1692 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1693 1000, MLX4_CMD_NATIVE);
1697 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1699 /* infiniband port */
1700 if (slave == mlx4_master_func_num(dev)) {
1701 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1702 priv->mfunc.master.qp0_state[port].port_active) {
1703 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1704 1000, MLX4_CMD_NATIVE);
1707 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1708 priv->mfunc.master.qp0_state[port].port_active = 0;
1711 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1713 --priv->mfunc.master.init_port_ref[port];
1717 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1719 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1722 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1724 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1726 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1730 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1732 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1733 MLX4_CMD_SET_ICM_SIZE,
1734 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1739 * Round up number of system pages needed in case
1740 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1742 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1743 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1748 int mlx4_NOP(struct mlx4_dev *dev)
1750 /* Input modifier of 0x1f means "finish as soon as possible." */
1751 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1754 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
1758 struct mlx4_cmd_mailbox *mailbox;
1760 u32 guid_hi, guid_lo;
1762 #define MOD_STAT_CFG_PORT_OFFSET 8
1763 #define MOD_STAT_CFG_GUID_H 0X14
1764 #define MOD_STAT_CFG_GUID_L 0X1c
1766 mailbox = mlx4_alloc_cmd_mailbox(dev);
1767 if (IS_ERR(mailbox))
1768 return PTR_ERR(mailbox);
1769 outbox = mailbox->buf;
1771 for (port = 1; port <= dev->caps.num_ports; port++) {
1772 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
1773 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
1774 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1777 mlx4_err(dev, "Fail to get port %d uplink guid\n",
1781 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
1782 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
1783 dev->caps.phys_port_id[port] = (u64)guid_lo |
1787 mlx4_free_cmd_mailbox(dev, mailbox);
1791 #define MLX4_WOL_SETUP_MODE (5 << 28)
1792 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1794 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1796 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1797 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1800 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1802 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1804 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1806 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1807 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1809 EXPORT_SYMBOL_GPL(mlx4_wol_write);
1816 void mlx4_opreq_action(struct work_struct *work)
1818 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
1820 struct mlx4_dev *dev = &priv->dev;
1821 int num_tasks = atomic_read(&priv->opreq_count);
1822 struct mlx4_cmd_mailbox *mailbox;
1823 struct mlx4_mgm *mgm;
1835 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
1836 #define GET_OP_REQ_TOKEN_OFFSET 0x14
1837 #define GET_OP_REQ_TYPE_OFFSET 0x1a
1838 #define GET_OP_REQ_DATA_OFFSET 0x20
1840 mailbox = mlx4_alloc_cmd_mailbox(dev);
1841 if (IS_ERR(mailbox)) {
1842 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
1845 outbox = mailbox->buf;
1848 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1849 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
1852 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
1856 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
1857 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
1858 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
1863 if (dev->caps.steering_mode ==
1864 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1865 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
1869 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
1870 GET_OP_REQ_DATA_OFFSET);
1871 num_qps = be32_to_cpu(mgm->members_count) &
1873 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
1874 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
1876 for (i = 0; i < num_qps; i++) {
1877 qp.qpn = be32_to_cpu(mgm->qp[i]);
1879 err = mlx4_multicast_detach(dev, &qp,
1883 err = mlx4_multicast_attach(dev, &qp,
1893 mlx4_warn(dev, "Bad type for required operation\n");
1897 err = mlx4_cmd(dev, 0, ((u32) err |
1898 (__force u32)cpu_to_be32(token) << 16),
1899 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
1902 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
1906 memset(outbox, 0, 0xffc);
1907 num_tasks = atomic_dec_return(&priv->opreq_count);
1911 mlx4_free_cmd_mailbox(dev, mailbox);