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",
144 [15] = "Ethernet Backplane autoneg support",
145 [16] = "CONFIG DEV support"
149 for (i = 0; i < ARRAY_SIZE(fname); ++i)
150 if (fname[i] && (flags & (1LL << i)))
151 mlx4_dbg(dev, " %s\n", fname[i]);
154 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
156 struct mlx4_cmd_mailbox *mailbox;
160 #define MOD_STAT_CFG_IN_SIZE 0x100
162 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
163 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
165 mailbox = mlx4_alloc_cmd_mailbox(dev);
167 return PTR_ERR(mailbox);
168 inbox = mailbox->buf;
170 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
171 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
173 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
174 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
176 mlx4_free_cmd_mailbox(dev, mailbox);
180 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
181 struct mlx4_vhcr *vhcr,
182 struct mlx4_cmd_mailbox *inbox,
183 struct mlx4_cmd_mailbox *outbox,
184 struct mlx4_cmd_info *cmd)
186 struct mlx4_priv *priv = mlx4_priv(dev);
188 u32 size, proxy_qp, qkey;
191 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
192 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
193 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
194 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8
195 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
196 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
197 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
198 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
199 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
200 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
201 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
202 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
204 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
205 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
206 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
207 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
208 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
209 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
211 #define QUERY_FUNC_CAP_FMR_FLAG 0x80
212 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40
213 #define QUERY_FUNC_CAP_FLAG_ETH 0x80
214 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
216 /* when opcode modifier = 1 */
217 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
218 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4
219 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
220 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
222 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
223 #define QUERY_FUNC_CAP_QP0_PROXY 0x14
224 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
225 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c
226 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
228 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
229 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
230 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
231 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08
233 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
235 if (vhcr->op_modifier == 1) {
236 struct mlx4_active_ports actv_ports =
237 mlx4_get_active_ports(dev, slave);
238 int converted_port = mlx4_slave_convert_port(
239 dev, slave, vhcr->in_modifier);
241 if (converted_port < 0)
244 vhcr->in_modifier = converted_port;
245 /* phys-port = logical-port */
246 field = vhcr->in_modifier -
247 find_first_bit(actv_ports.ports, dev->caps.num_ports);
248 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
250 port = vhcr->in_modifier;
251 proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
253 /* Set nic_info bit to mark new fields support */
254 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
256 if (mlx4_vf_smi_enabled(dev, slave, port) &&
257 !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
258 field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
259 MLX4_PUT(outbox->buf, qkey,
260 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
262 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
264 /* size is now the QP number */
265 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
266 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
269 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
271 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
273 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
275 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
276 QUERY_FUNC_CAP_PHYS_PORT_ID);
278 } else if (vhcr->op_modifier == 0) {
279 struct mlx4_active_ports actv_ports =
280 mlx4_get_active_ports(dev, slave);
281 /* enable rdma and ethernet interfaces, and new quota locations */
282 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
283 QUERY_FUNC_CAP_FLAG_QUOTAS);
284 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
287 bitmap_weight(actv_ports.ports, dev->caps.num_ports),
288 dev->caps.num_ports);
289 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
291 size = dev->caps.function_caps; /* set PF behaviours */
292 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
294 field = 0; /* protected FMR support not available as yet */
295 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
297 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
298 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
299 size = dev->caps.num_qps;
300 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
302 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
303 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
304 size = dev->caps.num_srqs;
305 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
307 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
308 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
309 size = dev->caps.num_cqs;
310 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
312 size = dev->caps.num_eqs;
313 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
315 size = dev->caps.reserved_eqs;
316 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
318 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
319 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
320 size = dev->caps.num_mpts;
321 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
323 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
324 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
325 size = dev->caps.num_mtts;
326 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
328 size = dev->caps.num_mgms + dev->caps.num_amgms;
329 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
330 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
338 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
339 struct mlx4_func_cap *func_cap)
341 struct mlx4_cmd_mailbox *mailbox;
343 u8 field, op_modifier;
345 int err = 0, quotas = 0;
347 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
349 mailbox = mlx4_alloc_cmd_mailbox(dev);
351 return PTR_ERR(mailbox);
353 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier,
354 MLX4_CMD_QUERY_FUNC_CAP,
355 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
359 outbox = mailbox->buf;
362 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
363 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
364 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
365 err = -EPROTONOSUPPORT;
368 func_cap->flags = field;
369 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
371 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
372 func_cap->num_ports = field;
374 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
375 func_cap->pf_context_behaviour = size;
378 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
379 func_cap->qp_quota = size & 0xFFFFFF;
381 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
382 func_cap->srq_quota = size & 0xFFFFFF;
384 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
385 func_cap->cq_quota = size & 0xFFFFFF;
387 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
388 func_cap->mpt_quota = size & 0xFFFFFF;
390 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
391 func_cap->mtt_quota = size & 0xFFFFFF;
393 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
394 func_cap->mcg_quota = size & 0xFFFFFF;
397 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
398 func_cap->qp_quota = size & 0xFFFFFF;
400 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
401 func_cap->srq_quota = size & 0xFFFFFF;
403 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
404 func_cap->cq_quota = size & 0xFFFFFF;
406 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
407 func_cap->mpt_quota = size & 0xFFFFFF;
409 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
410 func_cap->mtt_quota = size & 0xFFFFFF;
412 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
413 func_cap->mcg_quota = size & 0xFFFFFF;
415 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
416 func_cap->max_eq = size & 0xFFFFFF;
418 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
419 func_cap->reserved_eq = size & 0xFFFFFF;
424 /* logical port query */
425 if (gen_or_port > dev->caps.num_ports) {
430 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
431 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
432 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
433 mlx4_err(dev, "VLAN is enforced on this port\n");
434 err = -EPROTONOSUPPORT;
438 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
439 mlx4_err(dev, "Force mac is enabled on this port\n");
440 err = -EPROTONOSUPPORT;
443 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
444 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
445 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
446 mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
447 err = -EPROTONOSUPPORT;
452 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
453 func_cap->physical_port = field;
454 if (func_cap->physical_port != gen_or_port) {
459 if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
460 MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
461 func_cap->qp0_qkey = qkey;
463 func_cap->qp0_qkey = 0;
466 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
467 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF;
469 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
470 func_cap->qp0_proxy_qpn = size & 0xFFFFFF;
472 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
473 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF;
475 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
476 func_cap->qp1_proxy_qpn = size & 0xFFFFFF;
478 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
479 MLX4_GET(func_cap->phys_port_id, outbox,
480 QUERY_FUNC_CAP_PHYS_PORT_ID);
482 /* All other resources are allocated by the master, but we still report
483 * 'num' and 'reserved' capabilities as follows:
484 * - num remains the maximum resource index
485 * - 'num - reserved' is the total available objects of a resource, but
486 * resource indices may be less than 'reserved'
487 * TODO: set per-resource quotas */
490 mlx4_free_cmd_mailbox(dev, mailbox);
495 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
497 struct mlx4_cmd_mailbox *mailbox;
500 u32 field32, flags, ext_flags;
506 #define QUERY_DEV_CAP_OUT_SIZE 0x100
507 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
508 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
509 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
510 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
511 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
512 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
513 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
514 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
515 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
516 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
517 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
518 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
519 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
520 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
521 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
522 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
523 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
524 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
525 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
526 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
527 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
528 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
529 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e
530 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
531 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
532 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
533 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
534 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
535 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
536 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
537 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
538 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
539 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
540 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
541 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
542 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
543 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
544 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
545 #define QUERY_DEV_CAP_BF_OFFSET 0x4c
546 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
547 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
548 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
549 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
550 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
551 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
552 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
553 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
554 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
555 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
556 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
557 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
558 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
559 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
560 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
561 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
562 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
563 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
564 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
565 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a
566 #define QUERY_DEV_CAP_ETH_PROT_CTRL_OFFSET 0x7a
567 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
568 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
569 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
570 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
571 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
572 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
573 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
574 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
575 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
576 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
577 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
578 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94
579 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
580 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
581 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c
582 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
583 #define QUERY_DEV_CAP_VXLAN 0x9e
584 #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
587 mailbox = mlx4_alloc_cmd_mailbox(dev);
589 return PTR_ERR(mailbox);
590 outbox = mailbox->buf;
592 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
593 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
597 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
598 dev_cap->reserved_qps = 1 << (field & 0xf);
599 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
600 dev_cap->max_qps = 1 << (field & 0x1f);
601 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
602 dev_cap->reserved_srqs = 1 << (field >> 4);
603 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
604 dev_cap->max_srqs = 1 << (field & 0x1f);
605 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
606 dev_cap->max_cq_sz = 1 << field;
607 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
608 dev_cap->reserved_cqs = 1 << (field & 0xf);
609 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
610 dev_cap->max_cqs = 1 << (field & 0x1f);
611 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
612 dev_cap->max_mpts = 1 << (field & 0x3f);
613 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
614 dev_cap->reserved_eqs = 1 << (field & 0xf);
615 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
616 dev_cap->max_eqs = 1 << (field & 0xf);
617 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
618 dev_cap->reserved_mtts = 1 << (field >> 4);
619 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);
620 dev_cap->max_mrw_sz = 1 << field;
621 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
622 dev_cap->reserved_mrws = 1 << (field & 0xf);
623 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET);
624 dev_cap->max_mtt_seg = 1 << (field & 0x3f);
625 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
626 dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
627 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
628 dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
629 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
632 dev_cap->max_gso_sz = 0;
634 dev_cap->max_gso_sz = 1 << field;
636 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
638 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
640 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
643 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
644 dev_cap->max_rss_tbl_sz = 1 << field;
646 dev_cap->max_rss_tbl_sz = 0;
647 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
648 dev_cap->max_rdma_global = 1 << (field & 0x3f);
649 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
650 dev_cap->local_ca_ack_delay = field & 0x1f;
651 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
652 dev_cap->num_ports = field & 0xf;
653 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
654 dev_cap->max_msg_sz = 1 << (field & 0x1f);
655 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
657 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
658 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
659 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
661 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
662 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
663 dev_cap->fs_max_num_qp_per_entry = field;
664 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
665 dev_cap->stat_rate_support = stat_rate;
666 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
668 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
669 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
670 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
671 dev_cap->flags = flags | (u64)ext_flags << 32;
672 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
673 dev_cap->reserved_uars = field >> 4;
674 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
675 dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
676 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
677 dev_cap->min_page_sz = 1 << field;
679 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
681 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
682 dev_cap->bf_reg_size = 1 << (field & 0x1f);
683 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
684 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
686 dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
687 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
688 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
690 dev_cap->bf_reg_size = 0;
691 mlx4_dbg(dev, "BlueFlame not available\n");
694 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
695 dev_cap->max_sq_sg = field;
696 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
697 dev_cap->max_sq_desc_sz = size;
699 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
700 dev_cap->max_qp_per_mcg = 1 << field;
701 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
702 dev_cap->reserved_mgms = field & 0xf;
703 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
704 dev_cap->max_mcgs = 1 << field;
705 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
706 dev_cap->reserved_pds = field >> 4;
707 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
708 dev_cap->max_pds = 1 << (field & 0x3f);
709 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
710 dev_cap->reserved_xrcds = field >> 4;
711 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
712 dev_cap->max_xrcds = 1 << (field & 0x1f);
714 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
715 dev_cap->rdmarc_entry_sz = size;
716 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
717 dev_cap->qpc_entry_sz = size;
718 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
719 dev_cap->aux_entry_sz = size;
720 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
721 dev_cap->altc_entry_sz = size;
722 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
723 dev_cap->eqc_entry_sz = size;
724 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
725 dev_cap->cqc_entry_sz = size;
726 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
727 dev_cap->srq_entry_sz = size;
728 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
729 dev_cap->cmpt_entry_sz = size;
730 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
731 dev_cap->mtt_entry_sz = size;
732 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
733 dev_cap->dmpt_entry_sz = size;
735 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
736 dev_cap->max_srq_sz = 1 << field;
737 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
738 dev_cap->max_qp_sz = 1 << field;
739 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
740 dev_cap->resize_srq = field & 1;
741 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
742 dev_cap->max_rq_sg = field;
743 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
744 dev_cap->max_rq_desc_sz = size;
745 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
746 if (field & (1 << 5))
747 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
748 if (field & (1 << 6))
749 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
750 if (field & (1 << 7))
751 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
752 MLX4_GET(dev_cap->bmme_flags, outbox,
753 QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
754 MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
756 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
757 MLX4_GET(dev_cap->reserved_lkey, outbox,
758 QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
759 MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
760 if (field32 & (1 << 0))
761 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
762 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
764 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
765 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
767 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
768 MLX4_GET(dev_cap->max_icm_sz, outbox,
769 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
770 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
771 MLX4_GET(dev_cap->max_counters, outbox,
772 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
774 MLX4_GET(field32, outbox,
775 QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
776 if (field32 & (1 << 0))
777 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
779 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
780 if (field32 & (1 << 16))
781 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
782 if (field32 & (1 << 26))
783 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
784 if (field32 & (1 << 20))
785 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
787 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
788 for (i = 1; i <= dev_cap->num_ports; ++i) {
789 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
790 dev_cap->max_vl[i] = field >> 4;
791 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
792 dev_cap->ib_mtu[i] = field >> 4;
793 dev_cap->max_port_width[i] = field & 0xf;
794 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
795 dev_cap->max_gids[i] = 1 << (field & 0xf);
796 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
797 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
800 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
801 #define QUERY_PORT_MTU_OFFSET 0x01
802 #define QUERY_PORT_ETH_MTU_OFFSET 0x02
803 #define QUERY_PORT_WIDTH_OFFSET 0x06
804 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
805 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
806 #define QUERY_PORT_MAX_VL_OFFSET 0x0b
807 #define QUERY_PORT_MAC_OFFSET 0x10
808 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
809 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
810 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20
812 for (i = 1; i <= dev_cap->num_ports; ++i) {
813 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
814 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
818 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
819 dev_cap->supported_port_types[i] = field & 3;
820 dev_cap->suggested_type[i] = (field >> 3) & 1;
821 dev_cap->default_sense[i] = (field >> 4) & 1;
822 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
823 dev_cap->ib_mtu[i] = field & 0xf;
824 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
825 dev_cap->max_port_width[i] = field & 0xf;
826 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
827 dev_cap->max_gids[i] = 1 << (field >> 4);
828 dev_cap->max_pkeys[i] = 1 << (field & 0xf);
829 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
830 dev_cap->max_vl[i] = field & 0xf;
831 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
832 dev_cap->log_max_macs[i] = field & 0xf;
833 dev_cap->log_max_vlans[i] = field >> 4;
834 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
835 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
836 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
837 dev_cap->trans_type[i] = field32 >> 24;
838 dev_cap->vendor_oui[i] = field32 & 0xffffff;
839 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
840 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
844 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
845 dev_cap->bmme_flags, dev_cap->reserved_lkey);
848 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
849 * we can't use any EQs whose doorbell falls on that page,
850 * even if the EQ itself isn't reserved.
852 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
853 dev_cap->reserved_eqs);
855 mlx4_dbg(dev, "Max ICM size %lld MB\n",
856 (unsigned long long) dev_cap->max_icm_sz >> 20);
857 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
858 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
859 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
860 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
861 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
862 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
863 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
864 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz);
865 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
866 dev_cap->reserved_mrws, dev_cap->reserved_mtts);
867 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
868 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
869 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
870 dev_cap->max_pds, dev_cap->reserved_mgms);
871 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
872 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
873 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
874 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
875 dev_cap->max_port_width[1]);
876 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
877 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
878 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
879 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
880 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
881 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
882 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
884 dump_dev_cap_flags(dev, dev_cap->flags);
885 dump_dev_cap_flags2(dev, dev_cap->flags2);
888 mlx4_free_cmd_mailbox(dev, mailbox);
892 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
893 struct mlx4_vhcr *vhcr,
894 struct mlx4_cmd_mailbox *inbox,
895 struct mlx4_cmd_mailbox *outbox,
896 struct mlx4_cmd_info *cmd)
905 struct mlx4_active_ports actv_ports;
907 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
908 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
912 /* add port mng change event capability and disable mw type 1
913 * unconditionally to slaves
915 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
916 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
917 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
918 actv_ports = mlx4_get_active_ports(dev, slave);
919 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
920 for (slave_port = 0, real_port = first_port;
921 real_port < first_port +
922 bitmap_weight(actv_ports.ports, dev->caps.num_ports);
923 ++real_port, ++slave_port) {
924 if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
925 flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
927 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
929 for (; slave_port < dev->caps.num_ports; ++slave_port)
930 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
931 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
933 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
935 field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
936 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
938 /* For guests, disable timestamp */
939 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
941 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
943 /* For guests, disable vxlan tunneling */
944 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
946 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
948 /* For guests, report Blueflame disabled */
949 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
951 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
953 /* For guests, disable mw type 2 */
954 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
955 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
956 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
958 /* turn off device-managed steering capability if not enabled */
959 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
960 MLX4_GET(field, outbox->buf,
961 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
963 MLX4_PUT(outbox->buf, field,
964 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
967 /* turn off ipoib managed steering for guests */
968 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
970 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
975 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
976 struct mlx4_vhcr *vhcr,
977 struct mlx4_cmd_mailbox *inbox,
978 struct mlx4_cmd_mailbox *outbox,
979 struct mlx4_cmd_info *cmd)
981 struct mlx4_priv *priv = mlx4_priv(dev);
986 int admin_link_state;
987 int port = mlx4_slave_convert_port(dev, slave,
988 vhcr->in_modifier & 0xFF);
990 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
991 #define MLX4_PORT_LINK_UP_MASK 0x80
992 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
993 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
998 /* Protect against untrusted guests: enforce that this is the
999 * QUERY_PORT general query.
1001 if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
1004 vhcr->in_modifier = port;
1006 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
1007 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1010 if (!err && dev->caps.function != slave) {
1011 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
1012 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
1014 /* get port type - currently only eth is enabled */
1015 MLX4_GET(port_type, outbox->buf,
1016 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1018 /* No link sensing allowed */
1019 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
1020 /* set port type to currently operating port type */
1021 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
1023 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
1024 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
1025 port_type |= MLX4_PORT_LINK_UP_MASK;
1026 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
1027 port_type &= ~MLX4_PORT_LINK_UP_MASK;
1029 MLX4_PUT(outbox->buf, port_type,
1030 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
1032 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
1033 short_field = mlx4_get_slave_num_gids(dev, slave, port);
1035 short_field = 1; /* slave max gids */
1036 MLX4_PUT(outbox->buf, short_field,
1037 QUERY_PORT_CUR_MAX_GID_OFFSET);
1039 short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
1040 MLX4_PUT(outbox->buf, short_field,
1041 QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1047 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1048 int *gid_tbl_len, int *pkey_tbl_len)
1050 struct mlx4_cmd_mailbox *mailbox;
1055 mailbox = mlx4_alloc_cmd_mailbox(dev);
1056 if (IS_ERR(mailbox))
1057 return PTR_ERR(mailbox);
1059 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
1060 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
1065 outbox = mailbox->buf;
1067 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
1068 *gid_tbl_len = field;
1070 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
1071 *pkey_tbl_len = field;
1074 mlx4_free_cmd_mailbox(dev, mailbox);
1077 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
1079 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
1081 struct mlx4_cmd_mailbox *mailbox;
1082 struct mlx4_icm_iter iter;
1090 mailbox = mlx4_alloc_cmd_mailbox(dev);
1091 if (IS_ERR(mailbox))
1092 return PTR_ERR(mailbox);
1093 pages = mailbox->buf;
1095 for (mlx4_icm_first(icm, &iter);
1096 !mlx4_icm_last(&iter);
1097 mlx4_icm_next(&iter)) {
1099 * We have to pass pages that are aligned to their
1100 * size, so find the least significant 1 in the
1101 * address or size and use that as our log2 size.
1103 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
1104 if (lg < MLX4_ICM_PAGE_SHIFT) {
1105 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
1107 (unsigned long long) mlx4_icm_addr(&iter),
1108 mlx4_icm_size(&iter));
1113 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
1115 pages[nent * 2] = cpu_to_be64(virt);
1119 pages[nent * 2 + 1] =
1120 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
1121 (lg - MLX4_ICM_PAGE_SHIFT));
1122 ts += 1 << (lg - 10);
1125 if (++nent == MLX4_MAILBOX_SIZE / 16) {
1126 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1127 MLX4_CMD_TIME_CLASS_B,
1137 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
1138 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1143 case MLX4_CMD_MAP_FA:
1144 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
1146 case MLX4_CMD_MAP_ICM_AUX:
1147 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
1149 case MLX4_CMD_MAP_ICM:
1150 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
1151 tc, ts, (unsigned long long) virt - (ts << 10));
1156 mlx4_free_cmd_mailbox(dev, mailbox);
1160 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
1162 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
1165 int mlx4_UNMAP_FA(struct mlx4_dev *dev)
1167 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
1168 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1172 int mlx4_RUN_FW(struct mlx4_dev *dev)
1174 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
1175 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1178 int mlx4_QUERY_FW(struct mlx4_dev *dev)
1180 struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
1181 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
1182 struct mlx4_cmd_mailbox *mailbox;
1189 #define QUERY_FW_OUT_SIZE 0x100
1190 #define QUERY_FW_VER_OFFSET 0x00
1191 #define QUERY_FW_PPF_ID 0x09
1192 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
1193 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
1194 #define QUERY_FW_ERR_START_OFFSET 0x30
1195 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
1196 #define QUERY_FW_ERR_BAR_OFFSET 0x3c
1198 #define QUERY_FW_SIZE_OFFSET 0x00
1199 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
1200 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
1202 #define QUERY_FW_COMM_BASE_OFFSET 0x40
1203 #define QUERY_FW_COMM_BAR_OFFSET 0x48
1205 #define QUERY_FW_CLOCK_OFFSET 0x50
1206 #define QUERY_FW_CLOCK_BAR 0x58
1208 mailbox = mlx4_alloc_cmd_mailbox(dev);
1209 if (IS_ERR(mailbox))
1210 return PTR_ERR(mailbox);
1211 outbox = mailbox->buf;
1213 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1214 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1218 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
1220 * FW subminor version is at more significant bits than minor
1221 * version, so swap here.
1223 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
1224 ((fw_ver & 0xffff0000ull) >> 16) |
1225 ((fw_ver & 0x0000ffffull) << 16);
1227 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
1228 dev->caps.function = lg;
1230 if (mlx4_is_slave(dev))
1234 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
1235 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
1236 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
1237 mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
1239 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
1240 (int) (dev->caps.fw_ver >> 32),
1241 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1242 (int) dev->caps.fw_ver & 0xffff);
1243 mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
1244 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
1249 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
1250 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
1252 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
1253 cmd->max_cmds = 1 << lg;
1255 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
1256 (int) (dev->caps.fw_ver >> 32),
1257 (int) (dev->caps.fw_ver >> 16) & 0xffff,
1258 (int) dev->caps.fw_ver & 0xffff,
1259 cmd_if_rev, cmd->max_cmds);
1261 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
1262 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
1263 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
1264 fw->catas_bar = (fw->catas_bar >> 6) * 2;
1266 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
1267 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
1269 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
1270 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
1271 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
1272 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
1274 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
1275 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
1276 fw->comm_bar = (fw->comm_bar >> 6) * 2;
1277 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
1278 fw->comm_bar, fw->comm_base);
1279 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
1281 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
1282 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
1283 fw->clock_bar = (fw->clock_bar >> 6) * 2;
1284 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
1285 fw->clock_bar, fw->clock_offset);
1288 * Round up number of system pages needed in case
1289 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1292 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1293 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1295 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
1296 (unsigned long long) fw->clr_int_base, fw->clr_int_bar);
1299 mlx4_free_cmd_mailbox(dev, mailbox);
1303 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1304 struct mlx4_vhcr *vhcr,
1305 struct mlx4_cmd_mailbox *inbox,
1306 struct mlx4_cmd_mailbox *outbox,
1307 struct mlx4_cmd_info *cmd)
1312 outbuf = outbox->buf;
1313 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
1314 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1318 /* for slaves, set pci PPF ID to invalid and zero out everything
1319 * else except FW version */
1320 outbuf[0] = outbuf[1] = 0;
1321 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
1322 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
1327 static void get_board_id(void *vsd, char *board_id)
1331 #define VSD_OFFSET_SIG1 0x00
1332 #define VSD_OFFSET_SIG2 0xde
1333 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1334 #define VSD_OFFSET_TS_BOARD_ID 0x20
1336 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1338 memset(board_id, 0, MLX4_BOARD_ID_LEN);
1340 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
1341 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
1342 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
1345 * The board ID is a string but the firmware byte
1346 * swaps each 4-byte word before passing it back to
1347 * us. Therefore we need to swab it before printing.
1349 for (i = 0; i < 4; ++i)
1350 ((u32 *) board_id)[i] =
1351 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
1355 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
1357 struct mlx4_cmd_mailbox *mailbox;
1361 #define QUERY_ADAPTER_OUT_SIZE 0x100
1362 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1363 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1365 mailbox = mlx4_alloc_cmd_mailbox(dev);
1366 if (IS_ERR(mailbox))
1367 return PTR_ERR(mailbox);
1368 outbox = mailbox->buf;
1370 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
1371 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1375 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
1377 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
1381 mlx4_free_cmd_mailbox(dev, mailbox);
1385 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
1387 struct mlx4_cmd_mailbox *mailbox;
1391 #define INIT_HCA_IN_SIZE 0x200
1392 #define INIT_HCA_VERSION_OFFSET 0x000
1393 #define INIT_HCA_VERSION 2
1394 #define INIT_HCA_VXLAN_OFFSET 0x0c
1395 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
1396 #define INIT_HCA_FLAGS_OFFSET 0x014
1397 #define INIT_HCA_QPC_OFFSET 0x020
1398 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1399 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1400 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1401 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1402 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1403 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1404 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
1405 #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b)
1406 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1407 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1408 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1409 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1410 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1411 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
1412 #define INIT_HCA_MCAST_OFFSET 0x0c0
1413 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1414 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1415 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1416 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
1417 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1418 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
1419 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0
1420 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
1421 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12)
1422 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
1423 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
1424 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
1425 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
1426 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
1427 #define INIT_HCA_TPT_OFFSET 0x0f0
1428 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1429 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
1430 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1431 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1432 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
1433 #define INIT_HCA_UAR_OFFSET 0x120
1434 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1435 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1437 mailbox = mlx4_alloc_cmd_mailbox(dev);
1438 if (IS_ERR(mailbox))
1439 return PTR_ERR(mailbox);
1440 inbox = mailbox->buf;
1442 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
1444 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
1445 (ilog2(cache_line_size()) - 4) << 5;
1447 #if defined(__LITTLE_ENDIAN)
1448 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
1449 #elif defined(__BIG_ENDIAN)
1450 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
1452 #error Host endianness not defined
1454 /* Check port for UD address vector: */
1455 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
1457 /* Enable IPoIB checksumming if we can: */
1458 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
1459 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
1461 /* Enable QoS support if module parameter set */
1463 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
1465 /* enable counters */
1466 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
1467 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
1469 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1470 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
1471 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
1472 dev->caps.eqe_size = 64;
1473 dev->caps.eqe_factor = 1;
1475 dev->caps.eqe_size = 32;
1476 dev->caps.eqe_factor = 0;
1479 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
1480 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
1481 dev->caps.cqe_size = 64;
1482 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1484 dev->caps.cqe_size = 32;
1487 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1488 if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
1489 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
1490 dev->caps.eqe_size = cache_line_size();
1491 dev->caps.cqe_size = cache_line_size();
1492 dev->caps.eqe_factor = 0;
1493 MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
1494 (ilog2(dev->caps.eqe_size) - 5)),
1495 INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1497 /* User still need to know to support CQE > 32B */
1498 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
1501 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1503 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
1504 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
1505 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
1506 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
1507 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
1508 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
1509 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
1510 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
1511 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
1512 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
1513 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
1514 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
1516 /* steering attributes */
1517 if (dev->caps.steering_mode ==
1518 MLX4_STEERING_MODE_DEVICE_MANAGED) {
1519 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
1521 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
1523 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
1524 MLX4_PUT(inbox, param->log_mc_entry_sz,
1525 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1526 MLX4_PUT(inbox, param->log_mc_table_sz,
1527 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1528 /* Enable Ethernet flow steering
1529 * with udp unicast and tcp unicast
1531 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1532 INIT_HCA_FS_ETH_BITS_OFFSET);
1533 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1534 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
1535 /* Enable IPoIB flow steering
1536 * with udp unicast and tcp unicast
1538 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
1539 INIT_HCA_FS_IB_BITS_OFFSET);
1540 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
1541 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
1543 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
1544 MLX4_PUT(inbox, param->log_mc_entry_sz,
1545 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1546 MLX4_PUT(inbox, param->log_mc_hash_sz,
1547 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1548 MLX4_PUT(inbox, param->log_mc_table_sz,
1549 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1550 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
1551 MLX4_PUT(inbox, (u8) (1 << 3),
1552 INIT_HCA_UC_STEERING_OFFSET);
1555 /* TPT attributes */
1557 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
1558 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
1559 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
1560 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
1561 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
1563 /* UAR attributes */
1565 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1566 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
1568 /* set parser VXLAN attributes */
1569 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
1570 u8 parser_params = 0;
1571 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
1574 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000,
1578 mlx4_err(dev, "INIT_HCA returns %d\n", err);
1580 mlx4_free_cmd_mailbox(dev, mailbox);
1584 int mlx4_QUERY_HCA(struct mlx4_dev *dev,
1585 struct mlx4_init_hca_param *param)
1587 struct mlx4_cmd_mailbox *mailbox;
1593 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
1594 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
1596 mailbox = mlx4_alloc_cmd_mailbox(dev);
1597 if (IS_ERR(mailbox))
1598 return PTR_ERR(mailbox);
1599 outbox = mailbox->buf;
1601 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
1603 MLX4_CMD_TIME_CLASS_B,
1604 !mlx4_is_slave(dev));
1608 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
1609 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
1611 /* QPC/EEC/CQC/EQC/RDMARC attributes */
1613 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET);
1614 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET);
1615 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET);
1616 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET);
1617 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET);
1618 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET);
1619 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET);
1620 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET);
1621 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET);
1622 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET);
1623 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
1624 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET);
1626 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
1627 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
1628 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1630 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
1631 if (byte_field & 0x8)
1632 param->steering_mode = MLX4_STEERING_MODE_B0;
1634 param->steering_mode = MLX4_STEERING_MODE_A0;
1636 /* steering attributes */
1637 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
1638 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
1639 MLX4_GET(param->log_mc_entry_sz, outbox,
1640 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
1641 MLX4_GET(param->log_mc_table_sz, outbox,
1642 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
1644 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
1645 MLX4_GET(param->log_mc_entry_sz, outbox,
1646 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
1647 MLX4_GET(param->log_mc_hash_sz, outbox,
1648 INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
1649 MLX4_GET(param->log_mc_table_sz, outbox,
1650 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
1653 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
1654 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
1655 if (byte_field & 0x20) /* 64-bytes eqe enabled */
1656 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1657 if (byte_field & 0x40) /* 64-bytes cqe enabled */
1658 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1660 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
1661 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
1663 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
1664 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
1665 param->cqe_size = 1 << ((byte_field &
1666 MLX4_CQE_SIZE_MASK_STRIDE) + 5);
1667 param->eqe_size = 1 << (((byte_field &
1668 MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
1671 /* TPT attributes */
1673 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
1674 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
1675 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
1676 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
1677 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
1679 /* UAR attributes */
1681 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
1682 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
1685 mlx4_free_cmd_mailbox(dev, mailbox);
1690 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
1691 * and real QP0 are active, so that the paravirtualized QP0 is ready
1693 static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
1695 struct mlx4_priv *priv = mlx4_priv(dev);
1696 /* irrelevant if not infiniband */
1697 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
1698 priv->mfunc.master.qp0_state[port].qp0_active)
1703 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1704 struct mlx4_vhcr *vhcr,
1705 struct mlx4_cmd_mailbox *inbox,
1706 struct mlx4_cmd_mailbox *outbox,
1707 struct mlx4_cmd_info *cmd)
1709 struct mlx4_priv *priv = mlx4_priv(dev);
1710 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
1716 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
1719 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1720 /* Enable port only if it was previously disabled */
1721 if (!priv->mfunc.master.init_port_ref[port]) {
1722 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1723 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1727 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1729 if (slave == mlx4_master_func_num(dev)) {
1730 if (check_qp0_state(dev, slave, port) &&
1731 !priv->mfunc.master.qp0_state[port].port_active) {
1732 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1733 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1736 priv->mfunc.master.qp0_state[port].port_active = 1;
1737 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1740 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
1742 ++priv->mfunc.master.init_port_ref[port];
1746 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
1748 struct mlx4_cmd_mailbox *mailbox;
1754 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
1755 #define INIT_PORT_IN_SIZE 256
1756 #define INIT_PORT_FLAGS_OFFSET 0x00
1757 #define INIT_PORT_FLAG_SIG (1 << 18)
1758 #define INIT_PORT_FLAG_NG (1 << 17)
1759 #define INIT_PORT_FLAG_G0 (1 << 16)
1760 #define INIT_PORT_VL_SHIFT 4
1761 #define INIT_PORT_PORT_WIDTH_SHIFT 8
1762 #define INIT_PORT_MTU_OFFSET 0x04
1763 #define INIT_PORT_MAX_GID_OFFSET 0x06
1764 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a
1765 #define INIT_PORT_GUID0_OFFSET 0x10
1766 #define INIT_PORT_NODE_GUID_OFFSET 0x18
1767 #define INIT_PORT_SI_GUID_OFFSET 0x20
1769 mailbox = mlx4_alloc_cmd_mailbox(dev);
1770 if (IS_ERR(mailbox))
1771 return PTR_ERR(mailbox);
1772 inbox = mailbox->buf;
1775 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
1776 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
1777 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
1779 field = 128 << dev->caps.ib_mtu_cap[port];
1780 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
1781 field = dev->caps.gid_table_len[port];
1782 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
1783 field = dev->caps.pkey_table_len[port];
1784 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
1786 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
1787 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1789 mlx4_free_cmd_mailbox(dev, mailbox);
1791 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
1792 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1796 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
1798 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1799 struct mlx4_vhcr *vhcr,
1800 struct mlx4_cmd_mailbox *inbox,
1801 struct mlx4_cmd_mailbox *outbox,
1802 struct mlx4_cmd_info *cmd)
1804 struct mlx4_priv *priv = mlx4_priv(dev);
1805 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
1811 if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
1815 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
1816 if (priv->mfunc.master.init_port_ref[port] == 1) {
1817 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1818 1000, MLX4_CMD_NATIVE);
1822 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1824 /* infiniband port */
1825 if (slave == mlx4_master_func_num(dev)) {
1826 if (!priv->mfunc.master.qp0_state[port].qp0_active &&
1827 priv->mfunc.master.qp0_state[port].port_active) {
1828 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
1829 1000, MLX4_CMD_NATIVE);
1832 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1833 priv->mfunc.master.qp0_state[port].port_active = 0;
1836 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
1838 --priv->mfunc.master.init_port_ref[port];
1842 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
1844 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000,
1847 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
1849 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
1851 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000,
1855 struct mlx4_config_dev {
1856 __be32 update_flags;
1858 __be16 vxlan_udp_dport;
1866 #define MLX4_VXLAN_UDP_DPORT (1 << 0)
1868 static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
1871 struct mlx4_cmd_mailbox *mailbox;
1873 mailbox = mlx4_alloc_cmd_mailbox(dev);
1874 if (IS_ERR(mailbox))
1875 return PTR_ERR(mailbox);
1877 memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
1879 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
1880 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
1882 mlx4_free_cmd_mailbox(dev, mailbox);
1886 static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
1889 struct mlx4_cmd_mailbox *mailbox;
1891 mailbox = mlx4_alloc_cmd_mailbox(dev);
1892 if (IS_ERR(mailbox))
1893 return PTR_ERR(mailbox);
1895 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV,
1896 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1899 memcpy(config_dev, mailbox->buf, sizeof(*config_dev));
1901 mlx4_free_cmd_mailbox(dev, mailbox);
1905 /* Conversion between the HW values and the actual functionality.
1906 * The value represented by the array index,
1907 * and the functionality determined by the flags.
1909 static const u8 config_dev_csum_flags[] = {
1911 [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP,
1912 [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP |
1913 MLX4_RX_CSUM_MODE_L4,
1914 [3] = MLX4_RX_CSUM_MODE_L4 |
1915 MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP |
1916 MLX4_RX_CSUM_MODE_MULTI_VLAN
1919 int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
1920 struct mlx4_config_dev_params *params)
1922 struct mlx4_config_dev config_dev;
1926 #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7
1927 #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0
1928 #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4
1930 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV))
1933 err = mlx4_CONFIG_DEV_get(dev, &config_dev);
1937 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) &
1938 CONFIG_DEV_RX_CSUM_MODE_MASK;
1940 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
1942 params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask];
1944 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) &
1945 CONFIG_DEV_RX_CSUM_MODE_MASK;
1947 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0]))
1949 params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask];
1951 params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
1955 EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
1957 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
1959 struct mlx4_config_dev config_dev;
1961 memset(&config_dev, 0, sizeof(config_dev));
1962 config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
1963 config_dev.vxlan_udp_dport = udp_port;
1965 return mlx4_CONFIG_DEV_set(dev, &config_dev);
1967 EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
1970 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
1972 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
1973 MLX4_CMD_SET_ICM_SIZE,
1974 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1979 * Round up number of system pages needed in case
1980 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
1982 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
1983 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
1988 int mlx4_NOP(struct mlx4_dev *dev)
1990 /* Input modifier of 0x1f means "finish as soon as possible." */
1991 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE);
1994 int mlx4_get_phys_port_id(struct mlx4_dev *dev)
1998 struct mlx4_cmd_mailbox *mailbox;
2000 u32 guid_hi, guid_lo;
2002 #define MOD_STAT_CFG_PORT_OFFSET 8
2003 #define MOD_STAT_CFG_GUID_H 0X14
2004 #define MOD_STAT_CFG_GUID_L 0X1c
2006 mailbox = mlx4_alloc_cmd_mailbox(dev);
2007 if (IS_ERR(mailbox))
2008 return PTR_ERR(mailbox);
2009 outbox = mailbox->buf;
2011 for (port = 1; port <= dev->caps.num_ports; port++) {
2012 in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
2013 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
2014 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2017 mlx4_err(dev, "Fail to get port %d uplink guid\n",
2021 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
2022 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
2023 dev->caps.phys_port_id[port] = (u64)guid_lo |
2027 mlx4_free_cmd_mailbox(dev, mailbox);
2031 #define MLX4_WOL_SETUP_MODE (5 << 28)
2032 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
2034 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2036 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
2037 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
2040 EXPORT_SYMBOL_GPL(mlx4_wol_read);
2042 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
2044 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
2046 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
2047 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
2049 EXPORT_SYMBOL_GPL(mlx4_wol_write);
2056 void mlx4_opreq_action(struct work_struct *work)
2058 struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
2060 struct mlx4_dev *dev = &priv->dev;
2061 int num_tasks = atomic_read(&priv->opreq_count);
2062 struct mlx4_cmd_mailbox *mailbox;
2063 struct mlx4_mgm *mgm;
2075 #define GET_OP_REQ_MODIFIER_OFFSET 0x08
2076 #define GET_OP_REQ_TOKEN_OFFSET 0x14
2077 #define GET_OP_REQ_TYPE_OFFSET 0x1a
2078 #define GET_OP_REQ_DATA_OFFSET 0x20
2080 mailbox = mlx4_alloc_cmd_mailbox(dev);
2081 if (IS_ERR(mailbox)) {
2082 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
2085 outbox = mailbox->buf;
2088 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
2089 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2092 mlx4_err(dev, "Failed to retrieve required operation: %d\n",
2096 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
2097 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
2098 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
2103 if (dev->caps.steering_mode ==
2104 MLX4_STEERING_MODE_DEVICE_MANAGED) {
2105 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
2109 mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
2110 GET_OP_REQ_DATA_OFFSET);
2111 num_qps = be32_to_cpu(mgm->members_count) &
2113 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
2114 prot = ((u8 *)(&mgm->members_count))[0] >> 6;
2116 for (i = 0; i < num_qps; i++) {
2117 qp.qpn = be32_to_cpu(mgm->qp[i]);
2119 err = mlx4_multicast_detach(dev, &qp,
2123 err = mlx4_multicast_attach(dev, &qp,
2133 mlx4_warn(dev, "Bad type for required operation\n");
2137 err = mlx4_cmd(dev, 0, ((u32) err |
2138 (__force u32)cpu_to_be32(token) << 16),
2139 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
2142 mlx4_err(dev, "Failed to acknowledge required request: %d\n",
2146 memset(outbox, 0, 0xffc);
2147 num_tasks = atomic_dec_return(&priv->opreq_count);
2151 mlx4_free_cmd_mailbox(dev, mailbox);
2154 static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
2155 struct mlx4_cmd_mailbox *mailbox)
2157 #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10
2158 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20
2159 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40
2160 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70
2162 u32 set_attr_mask, getresp_attr_mask;
2163 u32 trap_attr_mask, traprepress_attr_mask;
2165 MLX4_GET(set_attr_mask, mailbox->buf,
2166 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
2167 mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
2170 MLX4_GET(getresp_attr_mask, mailbox->buf,
2171 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
2172 mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
2175 MLX4_GET(trap_attr_mask, mailbox->buf,
2176 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
2177 mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
2180 MLX4_GET(traprepress_attr_mask, mailbox->buf,
2181 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
2182 mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
2183 traprepress_attr_mask);
2185 if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
2186 traprepress_attr_mask)
2192 int mlx4_config_mad_demux(struct mlx4_dev *dev)
2194 struct mlx4_cmd_mailbox *mailbox;
2195 int secure_host_active;
2198 /* Check if mad_demux is supported */
2199 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
2202 mailbox = mlx4_alloc_cmd_mailbox(dev);
2203 if (IS_ERR(mailbox)) {
2204 mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
2208 /* Query mad_demux to find out which MADs are handled by internal sma */
2209 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
2210 MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
2211 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2213 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
2218 secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox);
2220 /* Config mad_demux to handle all MADs returned by the query above */
2221 err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
2222 MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
2223 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
2225 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
2229 if (secure_host_active)
2230 mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
2232 mlx4_free_cmd_mailbox(dev, mailbox);
2236 /* Access Reg commands */
2237 enum mlx4_access_reg_masks {
2238 MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
2239 MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
2240 MLX4_ACCESS_REG_LEN_MASK = 0x7ff
2243 struct mlx4_access_reg {
2253 #define MLX4_ACCESS_REG_HEADER_SIZE (20)
2254 u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
2255 } __attribute__((__packed__));
2258 * mlx4_ACCESS_REG - Generic access reg command.
2260 * @reg_id: register ID to access.
2261 * @method: Access method Read/Write.
2262 * @reg_len: register length to Read/Write in bytes.
2263 * @reg_data: reg_data pointer to Read/Write From/To.
2265 * Access ConnectX registers FW command.
2266 * Returns 0 on success and copies outbox mlx4_access_reg data
2267 * field into reg_data or a negative error code.
2269 static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
2270 enum mlx4_access_reg_method method,
2271 u16 reg_len, void *reg_data)
2273 struct mlx4_cmd_mailbox *inbox, *outbox;
2274 struct mlx4_access_reg *inbuf, *outbuf;
2277 inbox = mlx4_alloc_cmd_mailbox(dev);
2279 return PTR_ERR(inbox);
2281 outbox = mlx4_alloc_cmd_mailbox(dev);
2282 if (IS_ERR(outbox)) {
2283 mlx4_free_cmd_mailbox(dev, inbox);
2284 return PTR_ERR(outbox);
2288 outbuf = outbox->buf;
2290 inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
2291 inbuf->constant2 = 0x1;
2292 inbuf->reg_id = cpu_to_be16(reg_id);
2293 inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
2295 reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
2297 cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
2300 memcpy(inbuf->reg_data, reg_data, reg_len);
2301 err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
2302 MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
2307 if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
2308 err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
2310 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
2315 memcpy(reg_data, outbuf->reg_data, reg_len);
2317 mlx4_free_cmd_mailbox(dev, inbox);
2318 mlx4_free_cmd_mailbox(dev, outbox);
2322 /* ConnectX registers IDs */
2324 MLX4_REG_ID_PTYS = 0x5004,
2328 * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
2331 * @method: Access method Read/Write.
2332 * @ptys_reg: PTYS register data pointer.
2334 * Access ConnectX PTYS register, to Read/Write Port Type/Speed
2336 * Returns 0 on success or a negative error code.
2338 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
2339 enum mlx4_access_reg_method method,
2340 struct mlx4_ptys_reg *ptys_reg)
2342 return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
2343 method, sizeof(*ptys_reg), ptys_reg);
2345 EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);
2347 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
2348 struct mlx4_vhcr *vhcr,
2349 struct mlx4_cmd_mailbox *inbox,
2350 struct mlx4_cmd_mailbox *outbox,
2351 struct mlx4_cmd_info *cmd)
2353 struct mlx4_access_reg *inbuf = inbox->buf;
2354 u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK;
2355 u16 reg_id = be16_to_cpu(inbuf->reg_id);
2357 if (slave != mlx4_master_func_num(dev) &&
2358 method == MLX4_ACCESS_REG_WRITE)
2361 if (reg_id == MLX4_REG_ID_PTYS) {
2362 struct mlx4_ptys_reg *ptys_reg =
2363 (struct mlx4_ptys_reg *)inbuf->reg_data;
2365 ptys_reg->local_port =
2366 mlx4_slave_convert_port(dev, slave,
2367 ptys_reg->local_port);
2370 return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier,
2371 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,