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",
140 [11] = "MAD DEMUX (Secure-Host) support",
141 [12] = "Large cache line (>64B) CQE stride support",
142 [13] = "Large cache line (>64B) EQE stride support",
143 [14] = "Ethernet protocol control support"
147 for (i = 0; i < ARRAY_SIZE(fname); ++i)
148 if (fname[i] && (flags & (1LL << i)))
149 mlx4_dbg(dev, " %s\n", fname[i]);
152 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
154 struct mlx4_cmd_mailbox *mailbox;
158 #define MOD_STAT_CFG_IN_SIZE 0x100
160 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
161 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
163 mailbox = mlx4_alloc_cmd_mailbox(dev);
165 return PTR_ERR(mailbox);
166 inbox = mailbox->buf;
168 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
169 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
171 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
172 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
174 mlx4_free_cmd_mailbox(dev, mailbox);
178 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
179 struct mlx4_vhcr *vhcr,
180 struct mlx4_cmd_mailbox *inbox,
181 struct mlx4_cmd_mailbox *outbox,
182 struct mlx4_cmd_info *cmd)
184 struct mlx4_priv *priv = mlx4_priv(dev);
186 u32 size, proxy_qp, qkey;
189 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
190 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
191 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
192 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
193 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
194 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
195 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
196 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
197 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
198 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
199 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
200 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
202 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
203 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
204 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
205 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
206 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
207 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
209 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
210 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
211 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
212 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
214 /* when opcode modifier = 1 */
215 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
216 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4
217 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
218 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
220 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
221 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
222 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
223 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
224 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
226 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
227 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
228 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
229 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08
231 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
233 if (vhcr->op_modifier == 1) {
234 struct mlx4_active_ports actv_ports =
235 mlx4_get_active_ports(dev, slave);
236 int converted_port = mlx4_slave_convert_port(
237 dev, slave, vhcr->in_modifier);
239 if (converted_port < 0)
242 vhcr->in_modifier = converted_port;
243 /* phys-port = logical-port */
244 field = vhcr->in_modifier -
245 find_first_bit(actv_ports.ports, dev->caps.num_ports);
246 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
248 port = vhcr->in_modifier;
249 proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
251 /* Set nic_info bit to mark new fields support */
252 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
254 if (mlx4_vf_smi_enabled(dev, slave, port) &&
255 !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
256 field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
257 MLX4_PUT(outbox->buf, qkey,
258 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
260 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
262 /* size is now the QP number */
263 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
264 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
267 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
269 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
271 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
273 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
274 QUERY_FUNC_CAP_PHYS_PORT_ID);
276 } else if (vhcr->op_modifier == 0) {
277 struct mlx4_active_ports actv_ports =
278 mlx4_get_active_ports(dev, slave);
279 /* enable rdma and ethernet interfaces, and new quota locations */
280 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
281 QUERY_FUNC_CAP_FLAG_QUOTAS);
282 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
285 bitmap_weight(actv_ports.ports, dev->caps.num_ports),
286 dev->caps.num_ports);
287 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
289 size = dev->caps.function_caps; /* set PF behaviours */
290 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
292 field = 0; /* protected FMR support not available as yet */
293 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
295 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
296 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
297 size = dev->caps.num_qps;
298 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
300 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
301 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
302 size = dev->caps.num_srqs;
303 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
305 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
306 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
307 size = dev->caps.num_cqs;
308 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
310 size = dev->caps.num_eqs;
311 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
313 size = dev->caps.reserved_eqs;
314 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
316 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
317 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
318 size = dev->caps.num_mpts;
319 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
321 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
322 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
323 size = dev->caps.num_mtts;
324 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
326 size = dev->caps.num_mgms + dev->caps.num_amgms;
327 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
328 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
336 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port,
337 struct mlx4_func_cap *func_cap)
339 struct mlx4_cmd_mailbox *mailbox;
341 u8 field, op_modifier;
343 int err = 0, quotas = 0;
345 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
347 mailbox = mlx4_alloc_cmd_mailbox(dev);
349 return PTR_ERR(mailbox);
351 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
352 MLX4_CMD_QUERY_FUNC_CAP,
353 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
357 outbox = mailbox->buf;
360 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
361 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
362 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
363 err = -EPROTONOSUPPORT;
366 func_cap->flags = field;
367 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
369 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
370 func_cap->num_ports = field;
372 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
373 func_cap->pf_context_behaviour = size;
376 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
377 func_cap->qp_quota = size & 0xFFFFFF;
379 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
380 func_cap->srq_quota = size & 0xFFFFFF;
382 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
383 func_cap->cq_quota = size & 0xFFFFFF;
385 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
386 func_cap->mpt_quota = size & 0xFFFFFF;
388 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
389 func_cap->mtt_quota = size & 0xFFFFFF;
391 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
392 func_cap->mcg_quota = size & 0xFFFFFF;
395 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
396 func_cap->qp_quota = size & 0xFFFFFF;
398 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
399 func_cap->srq_quota = size & 0xFFFFFF;
401 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
402 func_cap->cq_quota = size & 0xFFFFFF;
404 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
405 func_cap->mpt_quota = size & 0xFFFFFF;
407 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
408 func_cap->mtt_quota = size & 0xFFFFFF;
410 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
411 func_cap->mcg_quota = size & 0xFFFFFF;
413 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
414 func_cap->max_eq = size & 0xFFFFFF;
416 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
417 func_cap->reserved_eq = size & 0xFFFFFF;
422 /* logical port query */
423 if (gen_or_port > dev->caps.num_ports) {
428 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
429 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
430 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
431 mlx4_err(dev, "VLAN is enforced on this port\n");
432 err = -EPROTONOSUPPORT;
436 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
437 mlx4_err(dev, "Force mac is enabled on this port\n");
438 err = -EPROTONOSUPPORT;
441 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
442 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
443 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
444 mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
445 err = -EPROTONOSUPPORT;
450 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
451 func_cap->physical_port = field;
452 if (func_cap->physical_port != gen_or_port) {
457 if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
458 MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
459 func_cap->qp0_qkey = qkey;
461 func_cap->qp0_qkey = 0;
464 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
465 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
467 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
468 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
470 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
471 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
473 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
474 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
476 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
477 MLX4_GET(func_cap->phys_port_id, outbox,
478 QUERY_FUNC_CAP_PHYS_PORT_ID);
480 /* All other resources are allocated by the master, but we still report
481 * 'num' and 'reserved' capabilities as follows:
482 * - num remains the maximum resource index
483 * - 'num - reserved' is the total available objects of a resource, but
484 * resource indices may be less than 'reserved'
485 * TODO: set per-resource quotas */
488 mlx4_free_cmd_mailbox(dev, mailbox);
493 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
495 struct mlx4_cmd_mailbox *mailbox;
498 u32 field32, flags, ext_flags;
504 #define QUERY_DEV_CAP_OUT_SIZE 0x100
505 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
506 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
507 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
508 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
509 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
510 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
511 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
512 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
513 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
514 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
515 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
516 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
517 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
518 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
519 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
520 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
521 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
522 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
523 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
524 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
525 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
526 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
527 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
528 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
529 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
530 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
531 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
532 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
533 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
534 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
535 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
536 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
537 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
538 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
539 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
540 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
541 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
542 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
543 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
544 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
545 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
546 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
547 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
548 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
549 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
550 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
551 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
552 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
553 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
554 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
555 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
556 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
557 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
558 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
559 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
560 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
561 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
562 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
563 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a
564 #define QUERY_DEV_CAP_ETH_PROT_CTRL_OFFSET 0x7a
565 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
566 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
567 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
568 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
569 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
570 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
571 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
572 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
573 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
574 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
575 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
576 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
577 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
578 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
579 #define QUERY_DEV_CAP_VXLAN 0x9e
580 #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
583 mailbox = mlx4_alloc_cmd_mailbox(dev);
585 return PTR_ERR(mailbox);
586 outbox = mailbox->buf;
588 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
589 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
593 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
594 dev_cap->reserved_qps = 1 << (field & 0xf);
595 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
596 dev_cap->max_qps = 1 << (field & 0x1f);
597 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
598 dev_cap->reserved_srqs = 1 << (field >> 4);
599 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
600 dev_cap->max_srqs = 1 << (field & 0x1f);
601 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
602 dev_cap->max_cq_sz = 1 << field;
603 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
604 dev_cap->reserved_cqs = 1 << (field & 0xf);
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
606 dev_cap->max_cqs = 1 << (field & 0x1f);
607 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
608 dev_cap->max_mpts = 1 << (field & 0x3f);
609 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
610 dev_cap->reserved_eqs = field & 0xf;
611 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
612 dev_cap->max_eqs = 1 << (field & 0xf);
613 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
614 dev_cap->reserved_mtts = 1 << (field >> 4);
615 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
616 dev_cap->max_mrw_sz = 1 << field;
617 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
618 dev_cap->reserved_mrws = 1 << (field & 0xf);
619 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
620 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
621 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
622 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
623 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
624 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
625 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
628 dev_cap->max_gso_sz = 0;
630 dev_cap->max_gso_sz = 1 << field;
632 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
634 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
636 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
639 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
640 dev_cap->max_rss_tbl_sz = 1 << field;
642 dev_cap->max_rss_tbl_sz = 0;
643 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
644 dev_cap->max_rdma_global = 1 << (field & 0x3f);
645 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
646 dev_cap->local_ca_ack_delay = field & 0x1f;
647 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
648 dev_cap->num_ports = field & 0xf;
649 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
650 dev_cap->max_msg_sz = 1 << (field & 0x1f);
651 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
653 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
654 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
655 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
657 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
658 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
659 dev_cap->fs_max_num_qp_per_entry = field;
660 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
661 dev_cap->stat_rate_support = stat_rate;
662 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
664 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
665 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
666 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
667 dev_cap->flags = flags | (u64)ext_flags << 32;
668 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
669 dev_cap->reserved_uars = field >> 4;
670 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
671 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
672 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
673 dev_cap->min_page_sz = 1 << field;
675 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
677 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
678 dev_cap->bf_reg_size = 1 << (field & 0x1f);
679 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
680 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
682 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
683 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
684 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
686 dev_cap->bf_reg_size = 0;
687 mlx4_dbg(dev, "BlueFlame not available\n");
690 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
691 dev_cap->max_sq_sg = field;
692 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
693 dev_cap->max_sq_desc_sz = size;
695 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
696 dev_cap->max_qp_per_mcg = 1 << field;
697 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
698 dev_cap->reserved_mgms = field & 0xf;
699 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
700 dev_cap->max_mcgs = 1 << field;
701 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
702 dev_cap->reserved_pds = field >> 4;
703 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
704 dev_cap->max_pds = 1 << (field & 0x3f);
705 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
706 dev_cap->reserved_xrcds = field >> 4;
707 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
708 dev_cap->max_xrcds = 1 << (field & 0x1f);
710 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
711 dev_cap->rdmarc_entry_sz = size;
712 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
713 dev_cap->qpc_entry_sz = size;
714 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
715 dev_cap->aux_entry_sz = size;
716 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
717 dev_cap->altc_entry_sz = size;
718 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
719 dev_cap->eqc_entry_sz = size;
720 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
721 dev_cap->cqc_entry_sz = size;
722 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
723 dev_cap->srq_entry_sz = size;
724 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
725 dev_cap->cmpt_entry_sz = size;
726 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
727 dev_cap->mtt_entry_sz = size;
728 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
729 dev_cap->dmpt_entry_sz = size;
731 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
732 dev_cap->max_srq_sz = 1 << field;
733 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
734 dev_cap->max_qp_sz = 1 << field;
735 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
736 dev_cap->resize_srq = field & 1;
737 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
738 dev_cap->max_rq_sg = field;
739 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
740 dev_cap->max_rq_desc_sz = size;
741 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
742 if (field & (1 << 5))
743 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
744 if (field & (1 << 6))
745 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
746 if (field & (1 << 7))
747 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
748 MLX4_GET(dev_cap->bmme_flags, outbox,
749 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
750 MLX4_GET(dev_cap->reserved_lkey, outbox,
751 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
752 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
754 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
755 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
757 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
758 MLX4_GET(dev_cap->max_icm_sz, outbox,
759 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
760 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
761 MLX4_GET(dev_cap->max_counters, outbox,
762 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
764 MLX4_GET(field32, outbox,
765 QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
766 if (field32 & (1 << 0))
767 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
769 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
770 if (field32 & (1 << 16))
771 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
772 if (field32 & (1 << 26))
773 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
774 if (field32 & (1 << 20))
775 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
777 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
778 for (i = 1; i <= dev_cap->num_ports; ++i) {
779 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
780 dev_cap->max_vl[i] = field >> 4;
781 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
782 dev_cap->ib_mtu[i] = field >> 4;
783 dev_cap->max_port_width[i] = field & 0xf;
784 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
785 dev_cap->max_gids[i] = 1 << (field & 0xf);
786 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
787 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
790 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
791 #define QUERY_PORT_MTU_OFFSET 0x01
792 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
793 #define QUERY_PORT_WIDTH_OFFSET 0x06
794 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
795 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
796 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
797 #define QUERY_PORT_MAC_OFFSET 0x10
798 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
799 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
800 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
802 for (i = 1; i <= dev_cap->num_ports; ++i) {
803 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
804 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
808 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
809 dev_cap->supported_port_types[i] = field & 3;
810 dev_cap->suggested_type[i] = (field >> 3) & 1;
811 dev_cap->default_sense[i] = (field >> 4) & 1;
812 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
813 dev_cap->ib_mtu[i] = field & 0xf;
814 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
815 dev_cap->max_port_width[i] = field & 0xf;
816 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
817 dev_cap->max_gids[i] = 1 << (field >> 4);
818 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
819 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
820 dev_cap->max_vl[i] = field & 0xf;
821 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
822 dev_cap->log_max_macs[i] = field & 0xf;
823 dev_cap->log_max_vlans[i] = field >> 4;
824 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
825 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
826 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
827 dev_cap->trans_type[i] = field32 >> 24;
828 dev_cap->vendor_oui[i] = field32 & 0xffffff;
829 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
830 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
834 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
835 dev_cap->bmme_flags, dev_cap->reserved_lkey);
838 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
839 * we can't use any EQs whose doorbell falls on that page,
840 * even if the EQ itself isn't reserved.
842 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
843 dev_cap->reserved_eqs);
845 mlx4_dbg(dev, "Max ICM size %lld MB\n",
846 (unsigned long long) dev_cap->max_icm_sz >> 20);
847 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
848 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
849 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
850 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
851 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
852 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
853 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
854 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
855 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
856 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
857 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
858 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
859 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
860 dev_cap->max_pds, dev_cap->reserved_mgms);
861 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
862 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
863 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
864 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
865 dev_cap->max_port_width[1]);
866 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
867 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
868 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
869 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
870 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
871 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
872 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
874 dump_dev_cap_flags(dev, dev_cap->flags);
875 dump_dev_cap_flags2(dev, dev_cap->flags2);
878 mlx4_free_cmd_mailbox(dev, mailbox);
882 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
883 struct mlx4_vhcr *vhcr,
884 struct mlx4_cmd_mailbox *inbox,
885 struct mlx4_cmd_mailbox *outbox,
886 struct mlx4_cmd_info *cmd)
895 struct mlx4_active_ports actv_ports;
897 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
898 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
902 /* add port mng change event capability and disable mw type 1
903 * unconditionally to slaves
905 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
906 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
907 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
908 actv_ports = mlx4_get_active_ports(dev, slave);
909 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
910 for (slave_port = 0, real_port = first_port;
911 real_port < first_port +
912 bitmap_weight(actv_ports.ports, dev->caps.num_ports);
913 ++real_port, ++slave_port) {
914 if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
915 flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
917 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
919 for (; slave_port < dev->caps.num_ports; ++slave_port)
920 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
921 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
923 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
925 field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
926 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
928 /* For guests, disable timestamp */
929 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
931 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
933 /* For guests, disable vxlan tunneling */
934 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
936 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
938 /* For guests, report Blueflame disabled */
939 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
941 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
943 /* For guests, disable mw type 2 */
944 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
945 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
946 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
948 /* turn off device-managed steering capability if not enabled */
949 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
950 MLX4_GET(field, outbox->buf,
951 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
953 MLX4_PUT(outbox->buf, field,
954 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
957 /* turn off ipoib managed steering for guests */
958 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
960 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
965 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
966 struct mlx4_vhcr *vhcr,
967 struct mlx4_cmd_mailbox *inbox,
968 struct mlx4_cmd_mailbox *outbox,
969 struct mlx4_cmd_info *cmd)
971 struct mlx4_priv *priv = mlx4_priv(dev);
976 int admin_link_state;
977 int port = mlx4_slave_convert_port(dev, slave,
978 vhcr->in_modifier & 0xFF);
980 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
981 #define MLX4_PORT_LINK_UP_MASK 0x80
982 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
983 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
988 /* Protect against untrusted guests: enforce that this is the
989 * QUERY_PORT general query.
991 if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
994 vhcr->in_modifier = port;
996 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
997 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1000 if (!err && dev->caps.function != slave) {
1001 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
1002 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
1004 /* get port type - currently only eth is enabled */
1005 MLX4_GET(port_type, outbox->buf,
1006 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1008 /* No link sensing allowed */
1009 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
1010 /* set port type to currently operating port type */
1011 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
1013 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
1014 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
1015 port_type |= MLX4_PORT_LINK_UP_MASK;
1016 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
1017 port_type &= ~MLX4_PORT_LINK_UP_MASK;
1019 MLX4_PUT(outbox->buf, port_type,
1020 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1022 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
1023 short_field = mlx4_get_slave_num_gids(dev, slave, port);
1025 short_field = 1; /* slave max gids */
1026 MLX4_PUT(outbox->buf, short_field,
1027 QUERY_PORT_CUR_MAX_GID_OFFSET);
1029 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
1030 MLX4_PUT(outbox->buf, short_field,
1031 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1037 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1038 int *gid_tbl_len, int *pkey_tbl_len)
1040 struct mlx4_cmd_mailbox *mailbox;
1045 mailbox = mlx4_alloc_cmd_mailbox(dev);
1046 if (IS_ERR(mailbox))
1047 return PTR_ERR(mailbox);
1049 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
1050 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1055 outbox = mailbox->buf;
1057 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
1058 *gid_tbl_len = field;
1060 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1061 *pkey_tbl_len = field;
1064 mlx4_free_cmd_mailbox(dev, mailbox);
1067 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
1069 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
1071 struct mlx4_cmd_mailbox *mailbox;
1072 struct mlx4_icm_iter iter;
1080 mailbox = mlx4_alloc_cmd_mailbox(dev);
1081 if (IS_ERR(mailbox))
1082 return PTR_ERR(mailbox);
1083 pages = mailbox->buf;
1085 for (mlx4_icm_first(icm, &iter);
1086 !mlx4_icm_last(&iter);
1087 mlx4_icm_next(&iter)) {
1089 * We have to pass pages that are aligned to their
1090 * size, so find the least significant 1 in the
1091 * address or size and use that as our log2 size.
1093 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
1094 if (lg < MLX4_ICM_PAGE_SHIFT) {
1095 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
1097 (unsigned long long) mlx4_icm_addr(&iter),
1098 mlx4_icm_size(&iter));
1103 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
1105 pages[nent * 2] = cpu_to_be64(virt);
1109 pages[nent * 2 + 1] =
1110 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1111 (lg - MLX4_ICM_PAGE_SHIFT));
1112 ts += 1 << (lg - 10);
1115 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1116 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1117 MLX4_CMD_TIME_CLASS_B,
1127 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1128 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1133 case MLX4_CMD_MAP_FA:
1134 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
1136 case MLX4_CMD_MAP_ICM_AUX:
1137 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
1139 case MLX4_CMD_MAP_ICM:
1140 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
1141 tc, ts, (unsigned long long) virt - (ts << 10));
1146 mlx4_free_cmd_mailbox(dev, mailbox);
1150 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1152 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1155 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1157 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1158 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1162 int mlx4_RUN_FW(struct mlx4_dev *dev)
1164 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1165 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1168 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1170 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1171 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1172 struct mlx4_cmd_mailbox *mailbox;
1179 #define QUERY_FW_OUT_SIZE 0x100
1180 #define QUERY_FW_VER_OFFSET 0x00
1181 #define QUERY_FW_PPF_ID 0x09
1182 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1183 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1184 #define QUERY_FW_ERR_START_OFFSET 0x30
1185 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1186 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1188 #define QUERY_FW_SIZE_OFFSET 0x00
1189 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1190 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1192 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1193 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1195 #define QUERY_FW_CLOCK_OFFSET 0x50
1196 #define QUERY_FW_CLOCK_BAR 0x58
1198 mailbox = mlx4_alloc_cmd_mailbox(dev);
1199 if (IS_ERR(mailbox))
1200 return PTR_ERR(mailbox);
1201 outbox = mailbox->buf;
1203 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1204 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1208 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1210 * FW subminor version is at more significant bits than minor
1211 * version, so swap here.
1213 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1214 ((fw_ver & 0xffff0000ull) >> 16) |
1215 ((fw_ver & 0x0000ffffull) << 16);
1217 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1218 dev->caps.function = lg;
1220 if (mlx4_is_slave(dev))
1224 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1225 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1226 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1227 mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
1229 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1230 (int) (dev->caps.fw_ver >> 32),
1231 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1232 (int) dev->caps.fw_ver & 0xffff);
1233 mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
1234 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1239 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1240 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1242 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1243 cmd->max_cmds = 1 << lg;
1245 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1246 (int) (dev->caps.fw_ver >> 32),
1247 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1248 (int) dev->caps.fw_ver & 0xffff,
1249 cmd_if_rev, cmd->max_cmds);
1251 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1252 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1253 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1254 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1256 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1257 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1259 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1260 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1261 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1262 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1264 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1265 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1266 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1267 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1268 fw->comm_bar, fw->comm_base);
1269 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1271 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1272 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1273 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1274 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1275 fw->clock_bar, fw->clock_offset);
1278 * Round up number of system pages needed in case
1279 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1282 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1283 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1285 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1286 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1289 mlx4_free_cmd_mailbox(dev, mailbox);
1293 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1294 struct mlx4_vhcr *vhcr,
1295 struct mlx4_cmd_mailbox *inbox,
1296 struct mlx4_cmd_mailbox *outbox,
1297 struct mlx4_cmd_info *cmd)
1302 outbuf = outbox->buf;
1303 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1304 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1308 /* for slaves, set pci PPF ID to invalid and zero out everything
1309 * else except FW version */
1310 outbuf[0] = outbuf[1] = 0;
1311 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1312 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1317 static void get_board_id(void *vsd, char *board_id)
1321 #define VSD_OFFSET_SIG1 0x00
1322 #define VSD_OFFSET_SIG2 0xde
1323 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1324 #define VSD_OFFSET_TS_BOARD_ID 0x20
1326 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1328 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1330 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1331 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1332 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1335 * The board ID is a string but the firmware byte
1336 * swaps each 4-byte word before passing it back to
1337 * us. Therefore we need to swab it before printing.
1339 for (i = 0; i < 4; ++i)
1340 ((u32 *) board_id)[i] =
1341 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1345 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1347 struct mlx4_cmd_mailbox *mailbox;
1351 #define QUERY_ADAPTER_OUT_SIZE 0x100
1352 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1353 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1355 mailbox = mlx4_alloc_cmd_mailbox(dev);
1356 if (IS_ERR(mailbox))
1357 return PTR_ERR(mailbox);
1358 outbox = mailbox->buf;
1360 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1361 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1365 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1367 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1371 mlx4_free_cmd_mailbox(dev, mailbox);
1375 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1377 struct mlx4_cmd_mailbox *mailbox;
1381 #define INIT_HCA_IN_SIZE 0x200
1382 #define INIT_HCA_VERSION_OFFSET 0x000
1383 #define INIT_HCA_VERSION 2
1384 #define INIT_HCA_VXLAN_OFFSET 0x0c
1385 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1386 #define INIT_HCA_FLAGS_OFFSET 0x014
1387 #define INIT_HCA_QPC_OFFSET 0x020
1388 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1389 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1390 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1391 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1392 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1393 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1394 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1395 #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b)
1396 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1397 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1398 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1399 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1400 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1401 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1402 #define INIT_HCA_MCAST_OFFSET 0x0c0
1403 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1404 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1405 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1406 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1407 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1408 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1409 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1410 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1411 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1412 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1413 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1414 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1415 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1416 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1417 #define INIT_HCA_TPT_OFFSET 0x0f0
1418 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1419 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1420 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1421 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1422 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1423 #define INIT_HCA_UAR_OFFSET 0x120
1424 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1425 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1427 mailbox = mlx4_alloc_cmd_mailbox(dev);
1428 if (IS_ERR(mailbox))
1429 return PTR_ERR(mailbox);
1430 inbox = mailbox->buf;
1432 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1434 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1435 (ilog2(cache_line_size()) - 4) << 5;
1437 #if defined(__LITTLE_ENDIAN)
1438 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1439 #elif defined(__BIG_ENDIAN)
1440 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1442 #error Host endianness not defined
1444 /* Check port for UD address vector: */
1445 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1447 /* Enable IPoIB checksumming if we can: */
1448 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1449 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1451 /* Enable QoS support if module parameter set */
1453 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1455 /* enable counters */
1456 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1457 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1459 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1460 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1461 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1462 dev->caps.eqe_size = 64;
1463 dev->caps.eqe_factor = 1;
1465 dev->caps.eqe_size = 32;
1466 dev->caps.eqe_factor = 0;
1469 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1470 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1471 dev->caps.cqe_size = 64;
1472 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1474 dev->caps.cqe_size = 32;
1477 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1478 if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
1479 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
1480 dev->caps.eqe_size = cache_line_size();
1481 dev->caps.cqe_size = cache_line_size();
1482 dev->caps.eqe_factor = 0;
1483 MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
1484 (ilog2(dev->caps.eqe_size) - 5)),
1485 INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1487 /* User still need to know to support CQE > 32B */
1488 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1491 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1493 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1494 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1495 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1496 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1497 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1498 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1499 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1500 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1501 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1502 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1503 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1504 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1506 /* steering attributes */
1507 if (dev->caps.steering_mode ==
1508 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1509 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1511 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1513 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1514 MLX4_PUT(inbox, param->log_mc_entry_sz,
1515 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1516 MLX4_PUT(inbox, param->log_mc_table_sz,
1517 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1518 /* Enable Ethernet flow steering
1519 * with udp unicast and tcp unicast
1521 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1522 INIT_HCA_FS_ETH_BITS_OFFSET);
1523 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1524 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1525 /* Enable IPoIB flow steering
1526 * with udp unicast and tcp unicast
1528 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1529 INIT_HCA_FS_IB_BITS_OFFSET);
1530 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1531 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1533 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1534 MLX4_PUT(inbox, param->log_mc_entry_sz,
1535 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1536 MLX4_PUT(inbox, param->log_mc_hash_sz,
1537 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1538 MLX4_PUT(inbox, param->log_mc_table_sz,
1539 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1540 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1541 MLX4_PUT(inbox, (u8) (1 << 3),
1542 INIT_HCA_UC_STEERING_OFFSET);
1545 /* TPT attributes */
1547 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1548 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1549 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1550 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1551 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1553 /* UAR attributes */
1555 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1556 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1558 /* set parser VXLAN attributes */
1559 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
1560 u8 parser_params = 0;
1561 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
1564 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1568 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1570 mlx4_free_cmd_mailbox(dev, mailbox);
1574 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1575 struct mlx4_init_hca_param *param)
1577 struct mlx4_cmd_mailbox *mailbox;
1583 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1584 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1586 mailbox = mlx4_alloc_cmd_mailbox(dev);
1587 if (IS_ERR(mailbox))
1588 return PTR_ERR(mailbox);
1589 outbox = mailbox->buf;
1591 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1593 MLX4_CMD_TIME_CLASS_B,
1594 !mlx4_is_slave(dev));
1598 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1599 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1601 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1603 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1604 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1605 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1606 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1607 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1608 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1609 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1610 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1611 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1612 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1613 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1614 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1616 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1617 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1618 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1620 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1621 if (byte_field & 0x8)
1622 param->steering_mode = MLX4_STEERING_MODE_B0;
1624 param->steering_mode = MLX4_STEERING_MODE_A0;
1626 /* steering attributes */
1627 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1628 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1629 MLX4_GET(param->log_mc_entry_sz, outbox,
1630 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1631 MLX4_GET(param->log_mc_table_sz, outbox,
1632 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1634 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1635 MLX4_GET(param->log_mc_entry_sz, outbox,
1636 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1637 MLX4_GET(param->log_mc_hash_sz, outbox,
1638 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1639 MLX4_GET(param->log_mc_table_sz, outbox,
1640 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1643 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1644 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1645 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1646 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1647 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1648 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1650 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1651 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1653 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1654 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1655 param->cqe_size = 1 << ((byte_field &
1656 MLX4_CQE_SIZE_MASK_STRIDE) + 5);
1657 param->eqe_size = 1 << (((byte_field &
1658 MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
1661 /* TPT attributes */
1663 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1664 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1665 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1666 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1667 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1669 /* UAR attributes */
1671 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1672 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1675 mlx4_free_cmd_mailbox(dev, mailbox);
1680 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1681 * and real QP0 are active, so that the paravirtualized QP0 is ready
1683 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1685 struct mlx4_priv *priv = mlx4_priv(dev);
1686 /* irrelevant if not infiniband */
1687 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1688 priv->mfunc.master.qp0_state[port].qp0_active)
1693 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1694 struct mlx4_vhcr *vhcr,
1695 struct mlx4_cmd_mailbox *inbox,
1696 struct mlx4_cmd_mailbox *outbox,
1697 struct mlx4_cmd_info *cmd)
1699 struct mlx4_priv *priv = mlx4_priv(dev);
1700 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
1706 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1709 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1710 /* Enable port only if it was previously disabled */
1711 if (!priv->mfunc.master.init_port_ref[port]) {
1712 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1713 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1717 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1719 if (slave == mlx4_master_func_num(dev)) {
1720 if (check_qp0_state(dev, slave, port) &&
1721 !priv->mfunc.master.qp0_state[port].port_active) {
1722 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1723 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1726 priv->mfunc.master.qp0_state[port].port_active = 1;
1727 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1730 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1732 ++priv->mfunc.master.init_port_ref[port];
1736 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1738 struct mlx4_cmd_mailbox *mailbox;
1744 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1745 #define INIT_PORT_IN_SIZE 256
1746 #define INIT_PORT_FLAGS_OFFSET 0x00
1747 #define INIT_PORT_FLAG_SIG (1 << 18)
1748 #define INIT_PORT_FLAG_NG (1 << 17)
1749 #define INIT_PORT_FLAG_G0 (1 << 16)
1750 #define INIT_PORT_VL_SHIFT 4
1751 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1752 #define INIT_PORT_MTU_OFFSET 0x04
1753 #define INIT_PORT_MAX_GID_OFFSET 0x06
1754 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1755 #define INIT_PORT_GUID0_OFFSET 0x10
1756 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1757 #define INIT_PORT_SI_GUID_OFFSET 0x20
1759 mailbox = mlx4_alloc_cmd_mailbox(dev);
1760 if (IS_ERR(mailbox))
1761 return PTR_ERR(mailbox);
1762 inbox = mailbox->buf;
1765 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1766 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1767 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1769 field = 128 << dev->caps.ib_mtu_cap[port];
1770 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1771 field = dev->caps.gid_table_len[port];
1772 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1773 field = dev->caps.pkey_table_len[port];
1774 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1776 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1777 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1779 mlx4_free_cmd_mailbox(dev, mailbox);
1781 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1782 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1786 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1788 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1789 struct mlx4_vhcr *vhcr,
1790 struct mlx4_cmd_mailbox *inbox,
1791 struct mlx4_cmd_mailbox *outbox,
1792 struct mlx4_cmd_info *cmd)
1794 struct mlx4_priv *priv = mlx4_priv(dev);
1795 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
1801 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1805 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1806 if (priv->mfunc.master.init_port_ref[port] == 1) {
1807 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1808 1000, MLX4_CMD_NATIVE);
1812 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1814 /* infiniband port */
1815 if (slave == mlx4_master_func_num(dev)) {
1816 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1817 priv->mfunc.master.qp0_state[port].port_active) {
1818 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1819 1000, MLX4_CMD_NATIVE);
1822 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1823 priv->mfunc.master.qp0_state[port].port_active = 0;
1826 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1828 --priv->mfunc.master.init_port_ref[port];
1832 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1834 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1837 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1839 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1841 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1845 struct mlx4_config_dev {
1846 __be32 update_flags;
1848 __be16 vxlan_udp_dport;
1852 #define MLX4_VXLAN_UDP_DPORT (1 << 0)
1854 static int mlx4_CONFIG_DEV(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
1857 struct mlx4_cmd_mailbox *mailbox;
1859 mailbox = mlx4_alloc_cmd_mailbox(dev);
1860 if (IS_ERR(mailbox))
1861 return PTR_ERR(mailbox);
1863 memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
1865 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
1866 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1868 mlx4_free_cmd_mailbox(dev, mailbox);
1872 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
1874 struct mlx4_config_dev config_dev;
1876 memset(&config_dev, 0, sizeof(config_dev));
1877 config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
1878 config_dev.vxlan_udp_dport = udp_port;
1880 return mlx4_CONFIG_DEV(dev, &config_dev);
1882 EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
1885 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1887 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1888 MLX4_CMD_SET_ICM_SIZE,
1889 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1894 * Round up number of system pages needed in case
1895 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1897 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1898 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1903 int mlx4_NOP(struct mlx4_dev *dev)
1905 /* Input modifier of 0x1f means "finish as soon as possible." */
1906 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1909 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
1913 struct mlx4_cmd_mailbox *mailbox;
1915 u32 guid_hi, guid_lo;
1917 #define MOD_STAT_CFG_PORT_OFFSET 8
1918 #define MOD_STAT_CFG_GUID_H 0X14
1919 #define MOD_STAT_CFG_GUID_L 0X1c
1921 mailbox = mlx4_alloc_cmd_mailbox(dev);
1922 if (IS_ERR(mailbox))
1923 return PTR_ERR(mailbox);
1924 outbox = mailbox->buf;
1926 for (port = 1; port <= dev->caps.num_ports; port++) {
1927 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
1928 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
1929 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1932 mlx4_err(dev, "Fail to get port %d uplink guid\n",
1936 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
1937 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
1938 dev->caps.phys_port_id[port] = (u64)guid_lo |
1942 mlx4_free_cmd_mailbox(dev, mailbox);
1946 #define MLX4_WOL_SETUP_MODE (5 << 28)
1947 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
1949 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1951 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
1952 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
1955 EXPORT_SYMBOL_GPL(mlx4_wol_read);
1957 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
1959 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
1961 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
1962 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1964 EXPORT_SYMBOL_GPL(mlx4_wol_write);
1971 void mlx4_opreq_action(struct work_struct *work)
1973 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
1975 struct mlx4_dev *dev = &priv->dev;
1976 int num_tasks = atomic_read(&priv->opreq_count);
1977 struct mlx4_cmd_mailbox *mailbox;
1978 struct mlx4_mgm *mgm;
1990 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
1991 #define GET_OP_REQ_TOKEN_OFFSET 0x14
1992 #define GET_OP_REQ_TYPE_OFFSET 0x1a
1993 #define GET_OP_REQ_DATA_OFFSET 0x20
1995 mailbox = mlx4_alloc_cmd_mailbox(dev);
1996 if (IS_ERR(mailbox)) {
1997 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
2000 outbox = mailbox->buf;
2003 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2004 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2007 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
2011 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
2012 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
2013 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
2018 if (dev->caps.steering_mode ==
2019 MLX4_STEERING_MODE_DEVICE_MANAGED) {
2020 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
2024 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
2025 GET_OP_REQ_DATA_OFFSET);
2026 num_qps = be32_to_cpu(mgm->members_count) &
2028 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
2029 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
2031 for (i = 0; i < num_qps; i++) {
2032 qp.qpn = be32_to_cpu(mgm->qp[i]);
2034 err = mlx4_multicast_detach(dev, &qp,
2038 err = mlx4_multicast_attach(dev, &qp,
2048 mlx4_warn(dev, "Bad type for required operation\n");
2052 err = mlx4_cmd(dev, 0, ((u32) err |
2053 (__force u32)cpu_to_be32(token) << 16),
2054 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2057 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
2061 memset(outbox, 0, 0xffc);
2062 num_tasks = atomic_dec_return(&priv->opreq_count);
2066 mlx4_free_cmd_mailbox(dev, mailbox);
2069 static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
2070 struct mlx4_cmd_mailbox *mailbox)
2072 #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10
2073 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20
2074 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40
2075 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70
2077 u32 set_attr_mask, getresp_attr_mask;
2078 u32 trap_attr_mask, traprepress_attr_mask;
2080 MLX4_GET(set_attr_mask, mailbox->buf,
2081 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
2082 mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
2085 MLX4_GET(getresp_attr_mask, mailbox->buf,
2086 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
2087 mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
2090 MLX4_GET(trap_attr_mask, mailbox->buf,
2091 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
2092 mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
2095 MLX4_GET(traprepress_attr_mask, mailbox->buf,
2096 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
2097 mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
2098 traprepress_attr_mask);
2100 if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
2101 traprepress_attr_mask)
2107 int mlx4_config_mad_demux(struct mlx4_dev *dev)
2109 struct mlx4_cmd_mailbox *mailbox;
2110 int secure_host_active;
2113 /* Check if mad_demux is supported */
2114 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
2117 mailbox = mlx4_alloc_cmd_mailbox(dev);
2118 if (IS_ERR(mailbox)) {
2119 mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
2123 /* Query mad_demux to find out which MADs are handled by internal sma */
2124 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
2125 MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
2126 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2128 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
2133 secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox);
2135 /* Config mad_demux to handle all MADs returned by the query above */
2136 err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
2137 MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
2138 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2140 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
2144 if (secure_host_active)
2145 mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
2147 mlx4_free_cmd_mailbox(dev, mailbox);
2151 /* Access Reg commands */
2152 enum mlx4_access_reg_masks {
2153 MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
2154 MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
2155 MLX4_ACCESS_REG_LEN_MASK = 0x7ff
2158 struct mlx4_access_reg {
2168 #define MLX4_ACCESS_REG_HEADER_SIZE (20)
2169 u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
2170 } __attribute__((__packed__));
2173 * mlx4_ACCESS_REG - Generic access reg command.
2175 * @reg_id: register ID to access.
2176 * @method: Access method Read/Write.
2177 * @reg_len: register length to Read/Write in bytes.
2178 * @reg_data: reg_data pointer to Read/Write From/To.
2180 * Access ConnectX registers FW command.
2181 * Returns 0 on success and copies outbox mlx4_access_reg data
2182 * field into reg_data or a negative error code.
2184 static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
2185 enum mlx4_access_reg_method method,
2186 u16 reg_len, void *reg_data)
2188 struct mlx4_cmd_mailbox *inbox, *outbox;
2189 struct mlx4_access_reg *inbuf, *outbuf;
2192 inbox = mlx4_alloc_cmd_mailbox(dev);
2194 return PTR_ERR(inbox);
2196 outbox = mlx4_alloc_cmd_mailbox(dev);
2197 if (IS_ERR(outbox)) {
2198 mlx4_free_cmd_mailbox(dev, inbox);
2199 return PTR_ERR(outbox);
2203 outbuf = outbox->buf;
2205 inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
2206 inbuf->constant2 = 0x1;
2207 inbuf->reg_id = cpu_to_be16(reg_id);
2208 inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
2210 reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
2212 cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
2215 memcpy(inbuf->reg_data, reg_data, reg_len);
2216 err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
2217 MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
2222 if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
2223 err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
2225 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
2230 memcpy(reg_data, outbuf->reg_data, reg_len);
2232 mlx4_free_cmd_mailbox(dev, inbox);
2233 mlx4_free_cmd_mailbox(dev, outbox);
2237 /* ConnectX registers IDs */
2239 MLX4_REG_ID_PTYS = 0x5004,
2243 * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
2246 * @method: Access method Read/Write.
2247 * @ptys_reg: PTYS register data pointer.
2249 * Access ConnectX PTYS register, to Read/Write Port Type/Speed
2251 * Returns 0 on success or a negative error code.
2253 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
2254 enum mlx4_access_reg_method method,
2255 struct mlx4_ptys_reg *ptys_reg)
2257 return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
2258 method, sizeof(*ptys_reg), ptys_reg);
2260 EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);