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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
5cc914f1 | 35 | #include <linux/etherdevice.h> |
225c7b1f | 36 | #include <linux/mlx4/cmd.h> |
9d9779e7 | 37 | #include <linux/module.h> |
c57e20dc | 38 | #include <linux/cache.h> |
225c7b1f RD |
39 | |
40 | #include "fw.h" | |
41 | #include "icm.h" | |
42 | ||
fe40900f | 43 | enum { |
5ae2a7a8 RD |
44 | MLX4_COMMAND_INTERFACE_MIN_REV = 2, |
45 | MLX4_COMMAND_INTERFACE_MAX_REV = 3, | |
46 | MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3, | |
fe40900f RD |
47 | }; |
48 | ||
225c7b1f RD |
49 | extern void __buggy_use_of_MLX4_GET(void); |
50 | extern void __buggy_use_of_MLX4_PUT(void); | |
51 | ||
eb939922 | 52 | static bool enable_qos; |
51f5f0ee JM |
53 | module_param(enable_qos, bool, 0444); |
54 | MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)"); | |
55 | ||
225c7b1f RD |
56 | #define MLX4_GET(dest, source, offset) \ |
57 | do { \ | |
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(); \ | |
65 | } \ | |
66 | } while (0) | |
67 | ||
68 | #define MLX4_PUT(dest, source, offset) \ | |
69 | do { \ | |
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(); \ | |
77 | } \ | |
78 | } while (0) | |
79 | ||
52eafc68 | 80 | static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags) |
225c7b1f RD |
81 | { |
82 | static const char *fname[] = { | |
83 | [ 0] = "RC transport", | |
84 | [ 1] = "UC transport", | |
85 | [ 2] = "UD transport", | |
ea98054f | 86 | [ 3] = "XRC transport", |
225c7b1f RD |
87 | [ 4] = "reliable multicast", |
88 | [ 5] = "FCoIB support", | |
89 | [ 6] = "SRQ support", | |
90 | [ 7] = "IPoIB checksum offload", | |
91 | [ 8] = "P_Key violation counter", | |
92 | [ 9] = "Q_Key violation counter", | |
93 | [10] = "VMM", | |
4d531aa8 | 94 | [12] = "Dual Port Different Protocol (DPDP) support", |
417608c2 | 95 | [15] = "Big LSO headers", |
225c7b1f RD |
96 | [16] = "MW support", |
97 | [17] = "APM support", | |
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", | |
96dfa684 | 103 | [25] = "Router support", |
ccf86321 OG |
104 | [30] = "IBoE support", |
105 | [32] = "Unicast loopback support", | |
f3a9d1f2 | 106 | [34] = "FCS header control", |
ccf86321 OG |
107 | [38] = "Wake On LAN support", |
108 | [40] = "UDP RSS support", | |
109 | [41] = "Unicast VEP steering support", | |
f2a3f6a3 OG |
110 | [42] = "Multicast VEP steering support", |
111 | [48] = "Counters support", | |
540b3a39 | 112 | [53] = "Port ETS Scheduler support", |
4d531aa8 | 113 | [55] = "Port link type sensing support", |
00f5ce99 | 114 | [59] = "Port management change event support", |
08ff3235 OG |
115 | [61] = "64 byte EQE support", |
116 | [62] = "64 byte CQE support", | |
225c7b1f RD |
117 | }; |
118 | int i; | |
119 | ||
120 | mlx4_dbg(dev, "DEV_CAP flags:\n"); | |
23c15c21 | 121 | for (i = 0; i < ARRAY_SIZE(fname); ++i) |
52eafc68 | 122 | if (fname[i] && (flags & (1LL << i))) |
225c7b1f RD |
123 | mlx4_dbg(dev, " %s\n", fname[i]); |
124 | } | |
125 | ||
b3416f44 SP |
126 | static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) |
127 | { | |
128 | static const char * const fname[] = { | |
129 | [0] = "RSS support", | |
130 | [1] = "RSS Toeplitz Hash Function support", | |
0ff1fb65 | 131 | [2] = "RSS XOR Hash Function support", |
56cb4567 | 132 | [3] = "Device managed flow steering support", |
d998735f | 133 | [4] = "Automatic MAC reassignment support", |
4e8cf5b8 OG |
134 | [5] = "Time stamping support", |
135 | [6] = "VST (control vlan insertion/stripping) support", | |
b01978ca | 136 | [7] = "FSM (MAC anti-spoofing) support", |
7ffdf726 | 137 | [8] = "Dynamic QP updates support", |
56cb4567 | 138 | [9] = "Device managed flow steering IPoIB support", |
114840c3 | 139 | [10] = "TCP/IP offloads/flow-steering for VXLAN support", |
77507aa2 IS |
140 | [11] = "MAD DEMUX (Secure-Host) support", |
141 | [12] = "Large cache line (>64B) CQE stride support", | |
adbc7ac5 | 142 | [13] = "Large cache line (>64B) EQE stride support", |
a53e3e8c | 143 | [14] = "Ethernet protocol control support", |
d475c95b | 144 | [15] = "Ethernet Backplane autoneg support", |
7ae0e400 | 145 | [16] = "CONFIG DEV support", |
de966c59 MB |
146 | [17] = "Asymmetric EQs support", |
147 | [18] = "More than 80 VFs support" | |
b3416f44 SP |
148 | }; |
149 | int i; | |
150 | ||
151 | for (i = 0; i < ARRAY_SIZE(fname); ++i) | |
152 | if (fname[i] && (flags & (1LL << i))) | |
153 | mlx4_dbg(dev, " %s\n", fname[i]); | |
154 | } | |
155 | ||
2d928651 VS |
156 | int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) |
157 | { | |
158 | struct mlx4_cmd_mailbox *mailbox; | |
159 | u32 *inbox; | |
160 | int err = 0; | |
161 | ||
162 | #define MOD_STAT_CFG_IN_SIZE 0x100 | |
163 | ||
164 | #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 | |
165 | #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 | |
166 | ||
167 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
168 | if (IS_ERR(mailbox)) | |
169 | return PTR_ERR(mailbox); | |
170 | inbox = mailbox->buf; | |
171 | ||
2d928651 VS |
172 | MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); |
173 | MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); | |
174 | ||
175 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, | |
f9baff50 | 176 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
2d928651 VS |
177 | |
178 | mlx4_free_cmd_mailbox(dev, mailbox); | |
179 | return err; | |
180 | } | |
181 | ||
e8c4265b MB |
182 | int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave) |
183 | { | |
184 | struct mlx4_cmd_mailbox *mailbox; | |
185 | u32 *outbox; | |
186 | u8 in_modifier; | |
187 | u8 field; | |
188 | u16 field16; | |
189 | int err; | |
190 | ||
191 | #define QUERY_FUNC_BUS_OFFSET 0x00 | |
192 | #define QUERY_FUNC_DEVICE_OFFSET 0x01 | |
193 | #define QUERY_FUNC_FUNCTION_OFFSET 0x01 | |
194 | #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03 | |
195 | #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04 | |
196 | #define QUERY_FUNC_MAX_EQ_OFFSET 0x06 | |
197 | #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b | |
198 | ||
199 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
200 | if (IS_ERR(mailbox)) | |
201 | return PTR_ERR(mailbox); | |
202 | outbox = mailbox->buf; | |
203 | ||
204 | in_modifier = slave; | |
e8c4265b MB |
205 | |
206 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0, | |
207 | MLX4_CMD_QUERY_FUNC, | |
208 | MLX4_CMD_TIME_CLASS_A, | |
209 | MLX4_CMD_NATIVE); | |
210 | if (err) | |
211 | goto out; | |
212 | ||
213 | MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET); | |
214 | func->bus = field & 0xf; | |
215 | MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET); | |
216 | func->device = field & 0xf1; | |
217 | MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET); | |
218 | func->function = field & 0x7; | |
219 | MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET); | |
220 | func->physical_function = field & 0xf; | |
221 | MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET); | |
222 | func->rsvd_eqs = field16 & 0xffff; | |
223 | MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET); | |
224 | func->max_eq = field16 & 0xffff; | |
225 | MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET); | |
226 | func->rsvd_uars = field & 0x0f; | |
227 | ||
228 | mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n", | |
229 | func->bus, func->device, func->function, func->physical_function, | |
230 | func->max_eq, func->rsvd_eqs, func->rsvd_uars); | |
231 | ||
232 | out: | |
233 | mlx4_free_cmd_mailbox(dev, mailbox); | |
234 | return err; | |
235 | } | |
236 | ||
5cc914f1 MA |
237 | int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, |
238 | struct mlx4_vhcr *vhcr, | |
239 | struct mlx4_cmd_mailbox *inbox, | |
240 | struct mlx4_cmd_mailbox *outbox, | |
241 | struct mlx4_cmd_info *cmd) | |
242 | { | |
5a0d0a61 | 243 | struct mlx4_priv *priv = mlx4_priv(dev); |
99ec41d0 JM |
244 | u8 field, port; |
245 | u32 size, proxy_qp, qkey; | |
5cc914f1 | 246 | int err = 0; |
7ae0e400 | 247 | struct mlx4_func func; |
5cc914f1 MA |
248 | |
249 | #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 | |
250 | #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 | |
5cc914f1 | 251 | #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 |
105c320f | 252 | #define QUERY_FUNC_CAP_FMR_OFFSET 0x8 |
eb456a68 JM |
253 | #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10 |
254 | #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14 | |
255 | #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18 | |
256 | #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20 | |
257 | #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24 | |
258 | #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28 | |
5cc914f1 | 259 | #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c |
69612b9f | 260 | #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 |
5cc914f1 | 261 | |
eb456a68 JM |
262 | #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50 |
263 | #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54 | |
264 | #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58 | |
265 | #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60 | |
266 | #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64 | |
267 | #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68 | |
268 | ||
ddae0349 EE |
269 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c |
270 | ||
105c320f JM |
271 | #define QUERY_FUNC_CAP_FMR_FLAG 0x80 |
272 | #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 | |
273 | #define QUERY_FUNC_CAP_FLAG_ETH 0x80 | |
eb456a68 | 274 | #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10 |
ddae0349 EE |
275 | #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04 |
276 | ||
277 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31) | |
d57febe1 | 278 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30) |
105c320f JM |
279 | |
280 | /* when opcode modifier = 1 */ | |
5cc914f1 | 281 | #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 |
99ec41d0 | 282 | #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4 |
73e74ab4 HHZ |
283 | #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8 |
284 | #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc | |
5cc914f1 | 285 | |
47605df9 JM |
286 | #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10 |
287 | #define QUERY_FUNC_CAP_QP0_PROXY 0x14 | |
288 | #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18 | |
289 | #define QUERY_FUNC_CAP_QP1_PROXY 0x1c | |
8e1a28e8 | 290 | #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28 |
47605df9 | 291 | |
73e74ab4 HHZ |
292 | #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40 |
293 | #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80 | |
eb17711b | 294 | #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10 |
99ec41d0 | 295 | #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08 |
105c320f | 296 | |
73e74ab4 | 297 | #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80 |
7ae0e400 | 298 | #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS (1 << 31) |
105c320f | 299 | |
5cc914f1 | 300 | if (vhcr->op_modifier == 1) { |
449fc488 MB |
301 | struct mlx4_active_ports actv_ports = |
302 | mlx4_get_active_ports(dev, slave); | |
303 | int converted_port = mlx4_slave_convert_port( | |
304 | dev, slave, vhcr->in_modifier); | |
305 | ||
306 | if (converted_port < 0) | |
307 | return -EINVAL; | |
308 | ||
309 | vhcr->in_modifier = converted_port; | |
449fc488 MB |
310 | /* phys-port = logical-port */ |
311 | field = vhcr->in_modifier - | |
312 | find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
47605df9 JM |
313 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); |
314 | ||
99ec41d0 JM |
315 | port = vhcr->in_modifier; |
316 | proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1; | |
317 | ||
318 | /* Set nic_info bit to mark new fields support */ | |
319 | field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO; | |
320 | ||
321 | if (mlx4_vf_smi_enabled(dev, slave, port) && | |
322 | !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) { | |
323 | field |= QUERY_FUNC_CAP_VF_ENABLE_QP0; | |
324 | MLX4_PUT(outbox->buf, qkey, | |
325 | QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); | |
326 | } | |
327 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET); | |
328 | ||
47605df9 | 329 | /* size is now the QP number */ |
99ec41d0 | 330 | size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1; |
47605df9 JM |
331 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); |
332 | ||
333 | size += 2; | |
334 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); | |
335 | ||
99ec41d0 JM |
336 | MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY); |
337 | proxy_qp += 2; | |
338 | MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY); | |
47605df9 | 339 | |
8e1a28e8 HHZ |
340 | MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier], |
341 | QUERY_FUNC_CAP_PHYS_PORT_ID); | |
342 | ||
5cc914f1 | 343 | } else if (vhcr->op_modifier == 0) { |
449fc488 MB |
344 | struct mlx4_active_ports actv_ports = |
345 | mlx4_get_active_ports(dev, slave); | |
eb456a68 JM |
346 | /* enable rdma and ethernet interfaces, and new quota locations */ |
347 | field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA | | |
ddae0349 | 348 | QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX); |
5cc914f1 MA |
349 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); |
350 | ||
449fc488 MB |
351 | field = min( |
352 | bitmap_weight(actv_ports.ports, dev->caps.num_ports), | |
353 | dev->caps.num_ports); | |
5cc914f1 MA |
354 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); |
355 | ||
08ff3235 | 356 | size = dev->caps.function_caps; /* set PF behaviours */ |
5cc914f1 MA |
357 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); |
358 | ||
105c320f JM |
359 | field = 0; /* protected FMR support not available as yet */ |
360 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET); | |
361 | ||
5a0d0a61 | 362 | size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave]; |
5cc914f1 | 363 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); |
eb456a68 JM |
364 | size = dev->caps.num_qps; |
365 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); | |
5cc914f1 | 366 | |
5a0d0a61 | 367 | size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave]; |
5cc914f1 | 368 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); |
eb456a68 JM |
369 | size = dev->caps.num_srqs; |
370 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); | |
5cc914f1 | 371 | |
5a0d0a61 | 372 | size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave]; |
5cc914f1 | 373 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); |
eb456a68 JM |
374 | size = dev->caps.num_cqs; |
375 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); | |
5cc914f1 | 376 | |
7ae0e400 MB |
377 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) || |
378 | mlx4_QUERY_FUNC(dev, &func, slave)) { | |
379 | size = vhcr->in_modifier & | |
380 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? | |
381 | dev->caps.num_eqs : | |
382 | rounddown_pow_of_two(dev->caps.num_eqs); | |
383 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); | |
384 | size = dev->caps.reserved_eqs; | |
385 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); | |
386 | } else { | |
387 | size = vhcr->in_modifier & | |
388 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? | |
389 | func.max_eq : | |
390 | rounddown_pow_of_two(func.max_eq); | |
391 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); | |
392 | size = func.rsvd_eqs; | |
393 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); | |
394 | } | |
5cc914f1 | 395 | |
5a0d0a61 | 396 | size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave]; |
5cc914f1 | 397 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); |
eb456a68 JM |
398 | size = dev->caps.num_mpts; |
399 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); | |
5cc914f1 | 400 | |
5a0d0a61 | 401 | size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave]; |
5cc914f1 | 402 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); |
eb456a68 JM |
403 | size = dev->caps.num_mtts; |
404 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); | |
5cc914f1 MA |
405 | |
406 | size = dev->caps.num_mgms + dev->caps.num_amgms; | |
407 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); | |
eb456a68 | 408 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); |
5cc914f1 | 409 | |
d57febe1 MB |
410 | size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG | |
411 | QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG; | |
ddae0349 | 412 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); |
5cc914f1 MA |
413 | } else |
414 | err = -EINVAL; | |
415 | ||
416 | return err; | |
417 | } | |
418 | ||
225c6c8c | 419 | int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, |
47605df9 | 420 | struct mlx4_func_cap *func_cap) |
5cc914f1 MA |
421 | { |
422 | struct mlx4_cmd_mailbox *mailbox; | |
423 | u32 *outbox; | |
47605df9 | 424 | u8 field, op_modifier; |
99ec41d0 | 425 | u32 size, qkey; |
eb456a68 | 426 | int err = 0, quotas = 0; |
7ae0e400 | 427 | u32 in_modifier; |
5cc914f1 | 428 | |
47605df9 | 429 | op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ |
7ae0e400 MB |
430 | in_modifier = op_modifier ? gen_or_port : |
431 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS; | |
5cc914f1 MA |
432 | |
433 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
434 | if (IS_ERR(mailbox)) | |
435 | return PTR_ERR(mailbox); | |
436 | ||
7ae0e400 | 437 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier, |
47605df9 | 438 | MLX4_CMD_QUERY_FUNC_CAP, |
5cc914f1 MA |
439 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
440 | if (err) | |
441 | goto out; | |
442 | ||
443 | outbox = mailbox->buf; | |
444 | ||
47605df9 JM |
445 | if (!op_modifier) { |
446 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); | |
447 | if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) { | |
448 | mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n"); | |
449 | err = -EPROTONOSUPPORT; | |
450 | goto out; | |
451 | } | |
452 | func_cap->flags = field; | |
eb456a68 | 453 | quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS); |
5cc914f1 | 454 | |
47605df9 JM |
455 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); |
456 | func_cap->num_ports = field; | |
5cc914f1 | 457 | |
47605df9 JM |
458 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); |
459 | func_cap->pf_context_behaviour = size; | |
5cc914f1 | 460 | |
eb456a68 JM |
461 | if (quotas) { |
462 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); | |
463 | func_cap->qp_quota = size & 0xFFFFFF; | |
464 | ||
465 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); | |
466 | func_cap->srq_quota = size & 0xFFFFFF; | |
467 | ||
468 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); | |
469 | func_cap->cq_quota = size & 0xFFFFFF; | |
470 | ||
471 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); | |
472 | func_cap->mpt_quota = size & 0xFFFFFF; | |
473 | ||
474 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); | |
475 | func_cap->mtt_quota = size & 0xFFFFFF; | |
476 | ||
477 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); | |
478 | func_cap->mcg_quota = size & 0xFFFFFF; | |
5cc914f1 | 479 | |
eb456a68 JM |
480 | } else { |
481 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); | |
482 | func_cap->qp_quota = size & 0xFFFFFF; | |
5cc914f1 | 483 | |
eb456a68 JM |
484 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); |
485 | func_cap->srq_quota = size & 0xFFFFFF; | |
5cc914f1 | 486 | |
eb456a68 JM |
487 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); |
488 | func_cap->cq_quota = size & 0xFFFFFF; | |
489 | ||
490 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); | |
491 | func_cap->mpt_quota = size & 0xFFFFFF; | |
492 | ||
493 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); | |
494 | func_cap->mtt_quota = size & 0xFFFFFF; | |
495 | ||
496 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); | |
497 | func_cap->mcg_quota = size & 0xFFFFFF; | |
498 | } | |
47605df9 JM |
499 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); |
500 | func_cap->max_eq = size & 0xFFFFFF; | |
5cc914f1 | 501 | |
47605df9 JM |
502 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); |
503 | func_cap->reserved_eq = size & 0xFFFFFF; | |
5cc914f1 | 504 | |
ddae0349 EE |
505 | func_cap->extra_flags = 0; |
506 | ||
507 | /* Mailbox data from 0x6c and onward should only be treated if | |
508 | * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags | |
509 | */ | |
510 | if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) { | |
511 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); | |
512 | if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG) | |
513 | func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP; | |
d57febe1 MB |
514 | if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG) |
515 | func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP; | |
ddae0349 EE |
516 | } |
517 | ||
47605df9 JM |
518 | goto out; |
519 | } | |
5cc914f1 | 520 | |
47605df9 JM |
521 | /* logical port query */ |
522 | if (gen_or_port > dev->caps.num_ports) { | |
523 | err = -EINVAL; | |
524 | goto out; | |
525 | } | |
5cc914f1 | 526 | |
eb17711b | 527 | MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); |
47605df9 | 528 | if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { |
bc82878b | 529 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { |
47605df9 JM |
530 | mlx4_err(dev, "VLAN is enforced on this port\n"); |
531 | err = -EPROTONOSUPPORT; | |
5cc914f1 | 532 | goto out; |
47605df9 | 533 | } |
5cc914f1 | 534 | |
eb17711b | 535 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) { |
47605df9 JM |
536 | mlx4_err(dev, "Force mac is enabled on this port\n"); |
537 | err = -EPROTONOSUPPORT; | |
538 | goto out; | |
5cc914f1 | 539 | } |
47605df9 | 540 | } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) { |
73e74ab4 HHZ |
541 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); |
542 | if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) { | |
1a91de28 | 543 | mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n"); |
47605df9 JM |
544 | err = -EPROTONOSUPPORT; |
545 | goto out; | |
546 | } | |
547 | } | |
5cc914f1 | 548 | |
47605df9 JM |
549 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); |
550 | func_cap->physical_port = field; | |
551 | if (func_cap->physical_port != gen_or_port) { | |
552 | err = -ENOSYS; | |
553 | goto out; | |
5cc914f1 MA |
554 | } |
555 | ||
99ec41d0 JM |
556 | if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) { |
557 | MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); | |
558 | func_cap->qp0_qkey = qkey; | |
559 | } else { | |
560 | func_cap->qp0_qkey = 0; | |
561 | } | |
562 | ||
47605df9 JM |
563 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); |
564 | func_cap->qp0_tunnel_qpn = size & 0xFFFFFF; | |
565 | ||
566 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); | |
567 | func_cap->qp0_proxy_qpn = size & 0xFFFFFF; | |
568 | ||
569 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); | |
570 | func_cap->qp1_tunnel_qpn = size & 0xFFFFFF; | |
571 | ||
572 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); | |
573 | func_cap->qp1_proxy_qpn = size & 0xFFFFFF; | |
574 | ||
8e1a28e8 HHZ |
575 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO) |
576 | MLX4_GET(func_cap->phys_port_id, outbox, | |
577 | QUERY_FUNC_CAP_PHYS_PORT_ID); | |
578 | ||
5cc914f1 MA |
579 | /* All other resources are allocated by the master, but we still report |
580 | * 'num' and 'reserved' capabilities as follows: | |
581 | * - num remains the maximum resource index | |
582 | * - 'num - reserved' is the total available objects of a resource, but | |
583 | * resource indices may be less than 'reserved' | |
584 | * TODO: set per-resource quotas */ | |
585 | ||
586 | out: | |
587 | mlx4_free_cmd_mailbox(dev, mailbox); | |
588 | ||
589 | return err; | |
590 | } | |
591 | ||
225c7b1f RD |
592 | int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
593 | { | |
594 | struct mlx4_cmd_mailbox *mailbox; | |
595 | u32 *outbox; | |
596 | u8 field; | |
ccf86321 | 597 | u32 field32, flags, ext_flags; |
225c7b1f RD |
598 | u16 size; |
599 | u16 stat_rate; | |
600 | int err; | |
5ae2a7a8 | 601 | int i; |
225c7b1f RD |
602 | |
603 | #define QUERY_DEV_CAP_OUT_SIZE 0x100 | |
604 | #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 | |
605 | #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 | |
606 | #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 | |
607 | #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 | |
608 | #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 | |
609 | #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 | |
610 | #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 | |
611 | #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 | |
612 | #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 | |
613 | #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a | |
614 | #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b | |
615 | #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d | |
616 | #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e | |
617 | #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f | |
618 | #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 | |
619 | #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 | |
620 | #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 | |
621 | #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 | |
7ae0e400 | 622 | #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26 |
225c7b1f RD |
623 | #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 |
624 | #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 | |
625 | #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b | |
b832be1e | 626 | #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d |
b3416f44 | 627 | #define QUERY_DEV_CAP_RSS_OFFSET 0x2e |
225c7b1f RD |
628 | #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f |
629 | #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 | |
630 | #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 | |
631 | #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 | |
632 | #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 | |
149983af | 633 | #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 |
225c7b1f RD |
634 | #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b |
635 | #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c | |
d998735f | 636 | #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e |
225c7b1f | 637 | #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f |
ccf86321 | 638 | #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 |
225c7b1f RD |
639 | #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 |
640 | #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 | |
641 | #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 | |
642 | #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b | |
643 | #define QUERY_DEV_CAP_BF_OFFSET 0x4c | |
644 | #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d | |
645 | #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e | |
646 | #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f | |
647 | #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 | |
648 | #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 | |
649 | #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 | |
650 | #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 | |
651 | #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 | |
652 | #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 | |
653 | #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 | |
654 | #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 | |
655 | #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 | |
012a8ff5 SH |
656 | #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 |
657 | #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 | |
f2a3f6a3 | 658 | #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 |
3f7fb021 | 659 | #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70 |
4de65803 | 660 | #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74 |
0ff1fb65 HHZ |
661 | #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 |
662 | #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 | |
77507aa2 | 663 | #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a |
adbc7ac5 | 664 | #define QUERY_DEV_CAP_ETH_PROT_CTRL_OFFSET 0x7a |
225c7b1f RD |
665 | #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 |
666 | #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 | |
667 | #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 | |
668 | #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 | |
669 | #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 | |
670 | #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a | |
671 | #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c | |
672 | #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e | |
673 | #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 | |
674 | #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 | |
95d04f07 | 675 | #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 |
d475c95b | 676 | #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 |
225c7b1f RD |
677 | #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 |
678 | #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 | |
a53e3e8c | 679 | #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c |
955154fa | 680 | #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d |
7ffdf726 | 681 | #define QUERY_DEV_CAP_VXLAN 0x9e |
114840c3 | 682 | #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 |
225c7b1f | 683 | |
b3416f44 | 684 | dev_cap->flags2 = 0; |
225c7b1f RD |
685 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
686 | if (IS_ERR(mailbox)) | |
687 | return PTR_ERR(mailbox); | |
688 | outbox = mailbox->buf; | |
689 | ||
690 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, | |
401453a3 | 691 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
692 | if (err) |
693 | goto out; | |
694 | ||
695 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); | |
696 | dev_cap->reserved_qps = 1 << (field & 0xf); | |
697 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); | |
698 | dev_cap->max_qps = 1 << (field & 0x1f); | |
699 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); | |
700 | dev_cap->reserved_srqs = 1 << (field >> 4); | |
701 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); | |
702 | dev_cap->max_srqs = 1 << (field & 0x1f); | |
703 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); | |
704 | dev_cap->max_cq_sz = 1 << field; | |
705 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); | |
706 | dev_cap->reserved_cqs = 1 << (field & 0xf); | |
707 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); | |
708 | dev_cap->max_cqs = 1 << (field & 0x1f); | |
709 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); | |
710 | dev_cap->max_mpts = 1 << (field & 0x3f); | |
711 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); | |
7c68dd43 | 712 | dev_cap->reserved_eqs = 1 << (field & 0xf); |
225c7b1f | 713 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); |
5920869f | 714 | dev_cap->max_eqs = 1 << (field & 0xf); |
225c7b1f RD |
715 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); |
716 | dev_cap->reserved_mtts = 1 << (field >> 4); | |
717 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); | |
718 | dev_cap->max_mrw_sz = 1 << field; | |
719 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); | |
720 | dev_cap->reserved_mrws = 1 << (field & 0xf); | |
721 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); | |
722 | dev_cap->max_mtt_seg = 1 << (field & 0x3f); | |
7ae0e400 MB |
723 | MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET); |
724 | dev_cap->num_sys_eqs = size & 0xfff; | |
225c7b1f RD |
725 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); |
726 | dev_cap->max_requester_per_qp = 1 << (field & 0x3f); | |
727 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); | |
728 | dev_cap->max_responder_per_qp = 1 << (field & 0x3f); | |
b832be1e EC |
729 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); |
730 | field &= 0x1f; | |
731 | if (!field) | |
732 | dev_cap->max_gso_sz = 0; | |
733 | else | |
734 | dev_cap->max_gso_sz = 1 << field; | |
735 | ||
b3416f44 SP |
736 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET); |
737 | if (field & 0x20) | |
738 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR; | |
739 | if (field & 0x10) | |
740 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP; | |
741 | field &= 0xf; | |
742 | if (field) { | |
743 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS; | |
744 | dev_cap->max_rss_tbl_sz = 1 << field; | |
745 | } else | |
746 | dev_cap->max_rss_tbl_sz = 0; | |
225c7b1f RD |
747 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); |
748 | dev_cap->max_rdma_global = 1 << (field & 0x3f); | |
749 | MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); | |
750 | dev_cap->local_ca_ack_delay = field & 0x1f; | |
225c7b1f | 751 | MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); |
225c7b1f | 752 | dev_cap->num_ports = field & 0xf; |
149983af DB |
753 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); |
754 | dev_cap->max_msg_sz = 1 << (field & 0x1f); | |
0ff1fb65 HHZ |
755 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); |
756 | if (field & 0x80) | |
757 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; | |
758 | dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; | |
4de65803 MB |
759 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); |
760 | if (field & 0x80) | |
761 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB; | |
0ff1fb65 HHZ |
762 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); |
763 | dev_cap->fs_max_num_qp_per_entry = field; | |
225c7b1f RD |
764 | MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); |
765 | dev_cap->stat_rate_support = stat_rate; | |
d998735f EE |
766 | MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); |
767 | if (field & 0x80) | |
768 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS; | |
ccf86321 | 769 | MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
52eafc68 | 770 | MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); |
ccf86321 | 771 | dev_cap->flags = flags | (u64)ext_flags << 32; |
225c7b1f RD |
772 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); |
773 | dev_cap->reserved_uars = field >> 4; | |
774 | MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); | |
775 | dev_cap->uar_size = 1 << ((field & 0x3f) + 20); | |
776 | MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); | |
777 | dev_cap->min_page_sz = 1 << field; | |
778 | ||
779 | MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); | |
780 | if (field & 0x80) { | |
781 | MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); | |
782 | dev_cap->bf_reg_size = 1 << (field & 0x1f); | |
783 | MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); | |
f5a49539 | 784 | if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) |
58d74bb1 | 785 | field = 3; |
225c7b1f RD |
786 | dev_cap->bf_regs_per_page = 1 << (field & 0x3f); |
787 | mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", | |
788 | dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); | |
789 | } else { | |
790 | dev_cap->bf_reg_size = 0; | |
791 | mlx4_dbg(dev, "BlueFlame not available\n"); | |
792 | } | |
793 | ||
794 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET); | |
795 | dev_cap->max_sq_sg = field; | |
796 | MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET); | |
797 | dev_cap->max_sq_desc_sz = size; | |
798 | ||
799 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET); | |
800 | dev_cap->max_qp_per_mcg = 1 << field; | |
801 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET); | |
802 | dev_cap->reserved_mgms = field & 0xf; | |
803 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET); | |
804 | dev_cap->max_mcgs = 1 << field; | |
805 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET); | |
806 | dev_cap->reserved_pds = field >> 4; | |
807 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); | |
808 | dev_cap->max_pds = 1 << (field & 0x3f); | |
012a8ff5 SH |
809 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET); |
810 | dev_cap->reserved_xrcds = field >> 4; | |
426dd00d | 811 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET); |
012a8ff5 | 812 | dev_cap->max_xrcds = 1 << (field & 0x1f); |
225c7b1f RD |
813 | |
814 | MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET); | |
815 | dev_cap->rdmarc_entry_sz = size; | |
816 | MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET); | |
817 | dev_cap->qpc_entry_sz = size; | |
818 | MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET); | |
819 | dev_cap->aux_entry_sz = size; | |
820 | MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET); | |
821 | dev_cap->altc_entry_sz = size; | |
822 | MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET); | |
823 | dev_cap->eqc_entry_sz = size; | |
824 | MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET); | |
825 | dev_cap->cqc_entry_sz = size; | |
826 | MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET); | |
827 | dev_cap->srq_entry_sz = size; | |
828 | MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET); | |
829 | dev_cap->cmpt_entry_sz = size; | |
830 | MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET); | |
831 | dev_cap->mtt_entry_sz = size; | |
832 | MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET); | |
833 | dev_cap->dmpt_entry_sz = size; | |
834 | ||
835 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET); | |
836 | dev_cap->max_srq_sz = 1 << field; | |
837 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET); | |
838 | dev_cap->max_qp_sz = 1 << field; | |
839 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET); | |
840 | dev_cap->resize_srq = field & 1; | |
841 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET); | |
842 | dev_cap->max_rq_sg = field; | |
843 | MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET); | |
844 | dev_cap->max_rq_desc_sz = size; | |
77507aa2 | 845 | MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); |
adbc7ac5 SM |
846 | if (field & (1 << 5)) |
847 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL; | |
77507aa2 IS |
848 | if (field & (1 << 6)) |
849 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
850 | if (field & (1 << 7)) | |
851 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
225c7b1f RD |
852 | MLX4_GET(dev_cap->bmme_flags, outbox, |
853 | QUERY_DEV_CAP_BMME_FLAGS_OFFSET); | |
d475c95b MB |
854 | MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); |
855 | if (field & 0x20) | |
856 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV; | |
225c7b1f RD |
857 | MLX4_GET(dev_cap->reserved_lkey, outbox, |
858 | QUERY_DEV_CAP_RSVD_LKEY_OFFSET); | |
a53e3e8c SM |
859 | MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET); |
860 | if (field32 & (1 << 0)) | |
861 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP; | |
955154fa MB |
862 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC); |
863 | if (field & 1<<6) | |
5930e8d0 | 864 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN; |
7ffdf726 OG |
865 | MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN); |
866 | if (field & 1<<3) | |
867 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS; | |
225c7b1f RD |
868 | MLX4_GET(dev_cap->max_icm_sz, outbox, |
869 | QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET); | |
f2a3f6a3 OG |
870 | if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS) |
871 | MLX4_GET(dev_cap->max_counters, outbox, | |
872 | QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); | |
225c7b1f | 873 | |
114840c3 JM |
874 | MLX4_GET(field32, outbox, |
875 | QUERY_DEV_CAP_MAD_DEMUX_OFFSET); | |
876 | if (field32 & (1 << 0)) | |
877 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX; | |
878 | ||
3f7fb021 | 879 | MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); |
b01978ca JM |
880 | if (field32 & (1 << 16)) |
881 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; | |
3f7fb021 RE |
882 | if (field32 & (1 << 26)) |
883 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL; | |
e6b6a231 RE |
884 | if (field32 & (1 << 20)) |
885 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM; | |
de966c59 MB |
886 | if (field32 & (1 << 21)) |
887 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS; | |
3f7fb021 | 888 | |
5ae2a7a8 RD |
889 | if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
890 | for (i = 1; i <= dev_cap->num_ports; ++i) { | |
891 | MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); | |
892 | dev_cap->max_vl[i] = field >> 4; | |
893 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); | |
b79acb49 | 894 | dev_cap->ib_mtu[i] = field >> 4; |
5ae2a7a8 RD |
895 | dev_cap->max_port_width[i] = field & 0xf; |
896 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); | |
897 | dev_cap->max_gids[i] = 1 << (field & 0xf); | |
898 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); | |
899 | dev_cap->max_pkeys[i] = 1 << (field & 0xf); | |
900 | } | |
901 | } else { | |
7ff93f8b | 902 | #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 |
5ae2a7a8 | 903 | #define QUERY_PORT_MTU_OFFSET 0x01 |
b79acb49 | 904 | #define QUERY_PORT_ETH_MTU_OFFSET 0x02 |
5ae2a7a8 RD |
905 | #define QUERY_PORT_WIDTH_OFFSET 0x06 |
906 | #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 | |
93fc9e1b | 907 | #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a |
5ae2a7a8 | 908 | #define QUERY_PORT_MAX_VL_OFFSET 0x0b |
e65b9591 | 909 | #define QUERY_PORT_MAC_OFFSET 0x10 |
7699517d YP |
910 | #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 |
911 | #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c | |
912 | #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 | |
5ae2a7a8 RD |
913 | |
914 | for (i = 1; i <= dev_cap->num_ports; ++i) { | |
915 | err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT, | |
401453a3 | 916 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); |
5ae2a7a8 RD |
917 | if (err) |
918 | goto out; | |
919 | ||
7ff93f8b YP |
920 | MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); |
921 | dev_cap->supported_port_types[i] = field & 3; | |
8d0fc7b6 YP |
922 | dev_cap->suggested_type[i] = (field >> 3) & 1; |
923 | dev_cap->default_sense[i] = (field >> 4) & 1; | |
5ae2a7a8 | 924 | MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); |
b79acb49 | 925 | dev_cap->ib_mtu[i] = field & 0xf; |
5ae2a7a8 RD |
926 | MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); |
927 | dev_cap->max_port_width[i] = field & 0xf; | |
928 | MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); | |
929 | dev_cap->max_gids[i] = 1 << (field >> 4); | |
930 | dev_cap->max_pkeys[i] = 1 << (field & 0xf); | |
931 | MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); | |
932 | dev_cap->max_vl[i] = field & 0xf; | |
93fc9e1b YP |
933 | MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); |
934 | dev_cap->log_max_macs[i] = field & 0xf; | |
935 | dev_cap->log_max_vlans[i] = field >> 4; | |
b79acb49 YP |
936 | MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET); |
937 | MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET); | |
7699517d YP |
938 | MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); |
939 | dev_cap->trans_type[i] = field32 >> 24; | |
940 | dev_cap->vendor_oui[i] = field32 & 0xffffff; | |
941 | MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET); | |
942 | MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET); | |
5ae2a7a8 RD |
943 | } |
944 | } | |
945 | ||
95d04f07 RD |
946 | mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", |
947 | dev_cap->bmme_flags, dev_cap->reserved_lkey); | |
225c7b1f RD |
948 | |
949 | /* | |
950 | * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then | |
951 | * we can't use any EQs whose doorbell falls on that page, | |
952 | * even if the EQ itself isn't reserved. | |
953 | */ | |
7ae0e400 MB |
954 | if (dev_cap->num_sys_eqs == 0) |
955 | dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, | |
956 | dev_cap->reserved_eqs); | |
957 | else | |
958 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS; | |
225c7b1f RD |
959 | |
960 | mlx4_dbg(dev, "Max ICM size %lld MB\n", | |
961 | (unsigned long long) dev_cap->max_icm_sz >> 20); | |
962 | mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", | |
963 | dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); | |
964 | mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", | |
965 | dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); | |
966 | mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", | |
967 | dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); | |
7ae0e400 MB |
968 | mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n", |
969 | dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs, | |
970 | dev_cap->eqc_entry_sz); | |
225c7b1f RD |
971 | mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", |
972 | dev_cap->reserved_mrws, dev_cap->reserved_mtts); | |
973 | mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", | |
974 | dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); | |
975 | mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", | |
976 | dev_cap->max_pds, dev_cap->reserved_mgms); | |
977 | mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", | |
978 | dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); | |
979 | mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", | |
b79acb49 | 980 | dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1], |
5ae2a7a8 | 981 | dev_cap->max_port_width[1]); |
225c7b1f RD |
982 | mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", |
983 | dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); | |
984 | mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", | |
985 | dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); | |
b832be1e | 986 | mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); |
f2a3f6a3 | 987 | mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); |
b3416f44 | 988 | mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz); |
225c7b1f RD |
989 | |
990 | dump_dev_cap_flags(dev, dev_cap->flags); | |
b3416f44 | 991 | dump_dev_cap_flags2(dev, dev_cap->flags2); |
225c7b1f RD |
992 | |
993 | out: | |
994 | mlx4_free_cmd_mailbox(dev, mailbox); | |
995 | return err; | |
996 | } | |
997 | ||
383677da OG |
998 | #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26) |
999 | #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21) | |
1000 | #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20) | |
1001 | ||
b91cb3eb JM |
1002 | int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, |
1003 | struct mlx4_vhcr *vhcr, | |
1004 | struct mlx4_cmd_mailbox *inbox, | |
1005 | struct mlx4_cmd_mailbox *outbox, | |
1006 | struct mlx4_cmd_info *cmd) | |
1007 | { | |
2a4fae14 | 1008 | u64 flags; |
b91cb3eb JM |
1009 | int err = 0; |
1010 | u8 field; | |
383677da | 1011 | u32 bmme_flags, field32; |
449fc488 MB |
1012 | int real_port; |
1013 | int slave_port; | |
1014 | int first_port; | |
1015 | struct mlx4_active_ports actv_ports; | |
b91cb3eb JM |
1016 | |
1017 | err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, | |
1018 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1019 | if (err) | |
1020 | return err; | |
1021 | ||
cc1ade94 SM |
1022 | /* add port mng change event capability and disable mw type 1 |
1023 | * unconditionally to slaves | |
1024 | */ | |
2a4fae14 JM |
1025 | MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
1026 | flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV; | |
cc1ade94 | 1027 | flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW; |
449fc488 MB |
1028 | actv_ports = mlx4_get_active_ports(dev, slave); |
1029 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
1030 | for (slave_port = 0, real_port = first_port; | |
1031 | real_port < first_port + | |
1032 | bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
1033 | ++real_port, ++slave_port) { | |
1034 | if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port)) | |
1035 | flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port; | |
1036 | else | |
1037 | flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); | |
1038 | } | |
1039 | for (; slave_port < dev->caps.num_ports; ++slave_port) | |
1040 | flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); | |
2a4fae14 JM |
1041 | MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
1042 | ||
449fc488 MB |
1043 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET); |
1044 | field &= ~0x0F; | |
1045 | field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F; | |
1046 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET); | |
1047 | ||
30b40c31 AV |
1048 | /* For guests, disable timestamp */ |
1049 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); | |
1050 | field &= 0x7f; | |
1051 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); | |
1052 | ||
7ffdf726 | 1053 | /* For guests, disable vxlan tunneling */ |
57352ef4 | 1054 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN); |
7ffdf726 OG |
1055 | field &= 0xf7; |
1056 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN); | |
1057 | ||
b91cb3eb JM |
1058 | /* For guests, report Blueflame disabled */ |
1059 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET); | |
1060 | field &= 0x7f; | |
1061 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); | |
1062 | ||
cc1ade94 | 1063 | /* For guests, disable mw type 2 */ |
57352ef4 | 1064 | MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); |
cc1ade94 SM |
1065 | bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; |
1066 | MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); | |
1067 | ||
0081c8f3 JM |
1068 | /* turn off device-managed steering capability if not enabled */ |
1069 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1070 | MLX4_GET(field, outbox->buf, | |
1071 | QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); | |
1072 | field &= 0x7f; | |
1073 | MLX4_PUT(outbox->buf, field, | |
1074 | QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); | |
1075 | } | |
4de65803 MB |
1076 | |
1077 | /* turn off ipoib managed steering for guests */ | |
57352ef4 | 1078 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); |
4de65803 MB |
1079 | field &= ~0x80; |
1080 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); | |
1081 | ||
383677da OG |
1082 | /* turn off host side virt features (VST, FSM, etc) for guests */ |
1083 | MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); | |
1084 | field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS | | |
1085 | DEV_CAP_EXT_2_FLAG_FSM); | |
1086 | MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); | |
1087 | ||
b91cb3eb JM |
1088 | return 0; |
1089 | } | |
1090 | ||
5cc914f1 MA |
1091 | int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1092 | struct mlx4_vhcr *vhcr, | |
1093 | struct mlx4_cmd_mailbox *inbox, | |
1094 | struct mlx4_cmd_mailbox *outbox, | |
1095 | struct mlx4_cmd_info *cmd) | |
1096 | { | |
0eb62b93 | 1097 | struct mlx4_priv *priv = mlx4_priv(dev); |
5cc914f1 MA |
1098 | u64 def_mac; |
1099 | u8 port_type; | |
6634961c | 1100 | u16 short_field; |
5cc914f1 | 1101 | int err; |
948e306d | 1102 | int admin_link_state; |
449fc488 MB |
1103 | int port = mlx4_slave_convert_port(dev, slave, |
1104 | vhcr->in_modifier & 0xFF); | |
5cc914f1 | 1105 | |
105c320f | 1106 | #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0 |
948e306d | 1107 | #define MLX4_PORT_LINK_UP_MASK 0x80 |
6634961c JM |
1108 | #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c |
1109 | #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e | |
95f56e7a | 1110 | |
449fc488 MB |
1111 | if (port < 0) |
1112 | return -EINVAL; | |
1113 | ||
a7401b9c JM |
1114 | /* Protect against untrusted guests: enforce that this is the |
1115 | * QUERY_PORT general query. | |
1116 | */ | |
1117 | if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF) | |
1118 | return -EINVAL; | |
1119 | ||
1120 | vhcr->in_modifier = port; | |
449fc488 | 1121 | |
5cc914f1 MA |
1122 | err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, |
1123 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
1124 | MLX4_CMD_NATIVE); | |
1125 | ||
1126 | if (!err && dev->caps.function != slave) { | |
0508ad64 | 1127 | def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; |
5cc914f1 MA |
1128 | MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); |
1129 | ||
1130 | /* get port type - currently only eth is enabled */ | |
1131 | MLX4_GET(port_type, outbox->buf, | |
1132 | QUERY_PORT_SUPPORTED_TYPE_OFFSET); | |
1133 | ||
105c320f JM |
1134 | /* No link sensing allowed */ |
1135 | port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK; | |
1136 | /* set port type to currently operating port type */ | |
1137 | port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3); | |
5cc914f1 | 1138 | |
948e306d RE |
1139 | admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state; |
1140 | if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state) | |
1141 | port_type |= MLX4_PORT_LINK_UP_MASK; | |
1142 | else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state) | |
1143 | port_type &= ~MLX4_PORT_LINK_UP_MASK; | |
1144 | ||
5cc914f1 MA |
1145 | MLX4_PUT(outbox->buf, port_type, |
1146 | QUERY_PORT_SUPPORTED_TYPE_OFFSET); | |
6634961c | 1147 | |
b6ffaeff | 1148 | if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH) |
449fc488 | 1149 | short_field = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
1150 | else |
1151 | short_field = 1; /* slave max gids */ | |
6634961c JM |
1152 | MLX4_PUT(outbox->buf, short_field, |
1153 | QUERY_PORT_CUR_MAX_GID_OFFSET); | |
1154 | ||
1155 | short_field = dev->caps.pkey_table_len[vhcr->in_modifier]; | |
1156 | MLX4_PUT(outbox->buf, short_field, | |
1157 | QUERY_PORT_CUR_MAX_PKEY_OFFSET); | |
5cc914f1 MA |
1158 | } |
1159 | ||
1160 | return err; | |
1161 | } | |
1162 | ||
6634961c JM |
1163 | int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, |
1164 | int *gid_tbl_len, int *pkey_tbl_len) | |
1165 | { | |
1166 | struct mlx4_cmd_mailbox *mailbox; | |
1167 | u32 *outbox; | |
1168 | u16 field; | |
1169 | int err; | |
1170 | ||
1171 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1172 | if (IS_ERR(mailbox)) | |
1173 | return PTR_ERR(mailbox); | |
1174 | ||
1175 | err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, | |
1176 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
1177 | MLX4_CMD_WRAPPED); | |
1178 | if (err) | |
1179 | goto out; | |
1180 | ||
1181 | outbox = mailbox->buf; | |
1182 | ||
1183 | MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET); | |
1184 | *gid_tbl_len = field; | |
1185 | ||
1186 | MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET); | |
1187 | *pkey_tbl_len = field; | |
1188 | ||
1189 | out: | |
1190 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1191 | return err; | |
1192 | } | |
1193 | EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len); | |
1194 | ||
225c7b1f RD |
1195 | int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) |
1196 | { | |
1197 | struct mlx4_cmd_mailbox *mailbox; | |
1198 | struct mlx4_icm_iter iter; | |
1199 | __be64 *pages; | |
1200 | int lg; | |
1201 | int nent = 0; | |
1202 | int i; | |
1203 | int err = 0; | |
1204 | int ts = 0, tc = 0; | |
1205 | ||
1206 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1207 | if (IS_ERR(mailbox)) | |
1208 | return PTR_ERR(mailbox); | |
225c7b1f RD |
1209 | pages = mailbox->buf; |
1210 | ||
1211 | for (mlx4_icm_first(icm, &iter); | |
1212 | !mlx4_icm_last(&iter); | |
1213 | mlx4_icm_next(&iter)) { | |
1214 | /* | |
1215 | * We have to pass pages that are aligned to their | |
1216 | * size, so find the least significant 1 in the | |
1217 | * address or size and use that as our log2 size. | |
1218 | */ | |
1219 | lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; | |
1220 | if (lg < MLX4_ICM_PAGE_SHIFT) { | |
1a91de28 JP |
1221 | mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n", |
1222 | MLX4_ICM_PAGE_SIZE, | |
1223 | (unsigned long long) mlx4_icm_addr(&iter), | |
1224 | mlx4_icm_size(&iter)); | |
225c7b1f RD |
1225 | err = -EINVAL; |
1226 | goto out; | |
1227 | } | |
1228 | ||
1229 | for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { | |
1230 | if (virt != -1) { | |
1231 | pages[nent * 2] = cpu_to_be64(virt); | |
1232 | virt += 1 << lg; | |
1233 | } | |
1234 | ||
1235 | pages[nent * 2 + 1] = | |
1236 | cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | | |
1237 | (lg - MLX4_ICM_PAGE_SHIFT)); | |
1238 | ts += 1 << (lg - 10); | |
1239 | ++tc; | |
1240 | ||
1241 | if (++nent == MLX4_MAILBOX_SIZE / 16) { | |
1242 | err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, | |
f9baff50 JM |
1243 | MLX4_CMD_TIME_CLASS_B, |
1244 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
1245 | if (err) |
1246 | goto out; | |
1247 | nent = 0; | |
1248 | } | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | if (nent) | |
f9baff50 JM |
1253 | err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, |
1254 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1255 | if (err) |
1256 | goto out; | |
1257 | ||
1258 | switch (op) { | |
1259 | case MLX4_CMD_MAP_FA: | |
1a91de28 | 1260 | mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts); |
225c7b1f RD |
1261 | break; |
1262 | case MLX4_CMD_MAP_ICM_AUX: | |
1a91de28 | 1263 | mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts); |
225c7b1f RD |
1264 | break; |
1265 | case MLX4_CMD_MAP_ICM: | |
1a91de28 JP |
1266 | mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n", |
1267 | tc, ts, (unsigned long long) virt - (ts << 10)); | |
225c7b1f RD |
1268 | break; |
1269 | } | |
1270 | ||
1271 | out: | |
1272 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1273 | return err; | |
1274 | } | |
1275 | ||
1276 | int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) | |
1277 | { | |
1278 | return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); | |
1279 | } | |
1280 | ||
1281 | int mlx4_UNMAP_FA(struct mlx4_dev *dev) | |
1282 | { | |
f9baff50 JM |
1283 | return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, |
1284 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1285 | } |
1286 | ||
1287 | ||
1288 | int mlx4_RUN_FW(struct mlx4_dev *dev) | |
1289 | { | |
f9baff50 JM |
1290 | return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, |
1291 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1292 | } |
1293 | ||
1294 | int mlx4_QUERY_FW(struct mlx4_dev *dev) | |
1295 | { | |
1296 | struct mlx4_fw *fw = &mlx4_priv(dev)->fw; | |
1297 | struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; | |
1298 | struct mlx4_cmd_mailbox *mailbox; | |
1299 | u32 *outbox; | |
1300 | int err = 0; | |
1301 | u64 fw_ver; | |
fe40900f | 1302 | u16 cmd_if_rev; |
225c7b1f RD |
1303 | u8 lg; |
1304 | ||
1305 | #define QUERY_FW_OUT_SIZE 0x100 | |
1306 | #define QUERY_FW_VER_OFFSET 0x00 | |
5cc914f1 | 1307 | #define QUERY_FW_PPF_ID 0x09 |
fe40900f | 1308 | #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a |
225c7b1f RD |
1309 | #define QUERY_FW_MAX_CMD_OFFSET 0x0f |
1310 | #define QUERY_FW_ERR_START_OFFSET 0x30 | |
1311 | #define QUERY_FW_ERR_SIZE_OFFSET 0x38 | |
1312 | #define QUERY_FW_ERR_BAR_OFFSET 0x3c | |
1313 | ||
1314 | #define QUERY_FW_SIZE_OFFSET 0x00 | |
1315 | #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 | |
1316 | #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 | |
1317 | ||
5cc914f1 MA |
1318 | #define QUERY_FW_COMM_BASE_OFFSET 0x40 |
1319 | #define QUERY_FW_COMM_BAR_OFFSET 0x48 | |
1320 | ||
ddd8a6c1 EE |
1321 | #define QUERY_FW_CLOCK_OFFSET 0x50 |
1322 | #define QUERY_FW_CLOCK_BAR 0x58 | |
1323 | ||
225c7b1f RD |
1324 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1325 | if (IS_ERR(mailbox)) | |
1326 | return PTR_ERR(mailbox); | |
1327 | outbox = mailbox->buf; | |
1328 | ||
1329 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, | |
f9baff50 | 1330 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
1331 | if (err) |
1332 | goto out; | |
1333 | ||
1334 | MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); | |
1335 | /* | |
3e1db334 | 1336 | * FW subminor version is at more significant bits than minor |
225c7b1f RD |
1337 | * version, so swap here. |
1338 | */ | |
1339 | dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | | |
1340 | ((fw_ver & 0xffff0000ull) >> 16) | | |
1341 | ((fw_ver & 0x0000ffffull) << 16); | |
1342 | ||
752a50ca JM |
1343 | MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); |
1344 | dev->caps.function = lg; | |
1345 | ||
b91cb3eb JM |
1346 | if (mlx4_is_slave(dev)) |
1347 | goto out; | |
1348 | ||
5cc914f1 | 1349 | |
fe40900f | 1350 | MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); |
5ae2a7a8 RD |
1351 | if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || |
1352 | cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { | |
1a91de28 | 1353 | mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n", |
fe40900f RD |
1354 | cmd_if_rev); |
1355 | mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", | |
1356 | (int) (dev->caps.fw_ver >> 32), | |
1357 | (int) (dev->caps.fw_ver >> 16) & 0xffff, | |
1358 | (int) dev->caps.fw_ver & 0xffff); | |
1a91de28 | 1359 | mlx4_err(dev, "This driver version supports only revisions %d to %d\n", |
5ae2a7a8 | 1360 | MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); |
fe40900f RD |
1361 | err = -ENODEV; |
1362 | goto out; | |
1363 | } | |
1364 | ||
5ae2a7a8 RD |
1365 | if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) |
1366 | dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; | |
1367 | ||
225c7b1f RD |
1368 | MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); |
1369 | cmd->max_cmds = 1 << lg; | |
1370 | ||
fe40900f | 1371 | mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", |
225c7b1f RD |
1372 | (int) (dev->caps.fw_ver >> 32), |
1373 | (int) (dev->caps.fw_ver >> 16) & 0xffff, | |
1374 | (int) dev->caps.fw_ver & 0xffff, | |
fe40900f | 1375 | cmd_if_rev, cmd->max_cmds); |
225c7b1f RD |
1376 | |
1377 | MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); | |
1378 | MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); | |
1379 | MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); | |
1380 | fw->catas_bar = (fw->catas_bar >> 6) * 2; | |
1381 | ||
1382 | mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", | |
1383 | (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); | |
1384 | ||
1385 | MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); | |
1386 | MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); | |
1387 | MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); | |
1388 | fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; | |
1389 | ||
5cc914f1 MA |
1390 | MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); |
1391 | MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); | |
1392 | fw->comm_bar = (fw->comm_bar >> 6) * 2; | |
1393 | mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", | |
1394 | fw->comm_bar, fw->comm_base); | |
225c7b1f RD |
1395 | mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); |
1396 | ||
ddd8a6c1 EE |
1397 | MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); |
1398 | MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); | |
1399 | fw->clock_bar = (fw->clock_bar >> 6) * 2; | |
1400 | mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", | |
1401 | fw->clock_bar, fw->clock_offset); | |
1402 | ||
225c7b1f RD |
1403 | /* |
1404 | * Round up number of system pages needed in case | |
1405 | * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. | |
1406 | */ | |
1407 | fw->fw_pages = | |
1408 | ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> | |
1409 | (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); | |
1410 | ||
1411 | mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", | |
1412 | (unsigned long long) fw->clr_int_base, fw->clr_int_bar); | |
1413 | ||
1414 | out: | |
1415 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1416 | return err; | |
1417 | } | |
1418 | ||
b91cb3eb JM |
1419 | int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, |
1420 | struct mlx4_vhcr *vhcr, | |
1421 | struct mlx4_cmd_mailbox *inbox, | |
1422 | struct mlx4_cmd_mailbox *outbox, | |
1423 | struct mlx4_cmd_info *cmd) | |
1424 | { | |
1425 | u8 *outbuf; | |
1426 | int err; | |
1427 | ||
1428 | outbuf = outbox->buf; | |
1429 | err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW, | |
1430 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1431 | if (err) | |
1432 | return err; | |
1433 | ||
752a50ca JM |
1434 | /* for slaves, set pci PPF ID to invalid and zero out everything |
1435 | * else except FW version */ | |
b91cb3eb JM |
1436 | outbuf[0] = outbuf[1] = 0; |
1437 | memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8); | |
752a50ca JM |
1438 | outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID; |
1439 | ||
b91cb3eb JM |
1440 | return 0; |
1441 | } | |
1442 | ||
225c7b1f RD |
1443 | static void get_board_id(void *vsd, char *board_id) |
1444 | { | |
1445 | int i; | |
1446 | ||
1447 | #define VSD_OFFSET_SIG1 0x00 | |
1448 | #define VSD_OFFSET_SIG2 0xde | |
1449 | #define VSD_OFFSET_MLX_BOARD_ID 0xd0 | |
1450 | #define VSD_OFFSET_TS_BOARD_ID 0x20 | |
1451 | ||
1452 | #define VSD_SIGNATURE_TOPSPIN 0x5ad | |
1453 | ||
1454 | memset(board_id, 0, MLX4_BOARD_ID_LEN); | |
1455 | ||
1456 | if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && | |
1457 | be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { | |
1458 | strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); | |
1459 | } else { | |
1460 | /* | |
1461 | * The board ID is a string but the firmware byte | |
1462 | * swaps each 4-byte word before passing it back to | |
1463 | * us. Therefore we need to swab it before printing. | |
1464 | */ | |
1465 | for (i = 0; i < 4; ++i) | |
1466 | ((u32 *) board_id)[i] = | |
1467 | swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); | |
1468 | } | |
1469 | } | |
1470 | ||
1471 | int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) | |
1472 | { | |
1473 | struct mlx4_cmd_mailbox *mailbox; | |
1474 | u32 *outbox; | |
1475 | int err; | |
1476 | ||
1477 | #define QUERY_ADAPTER_OUT_SIZE 0x100 | |
225c7b1f RD |
1478 | #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 |
1479 | #define QUERY_ADAPTER_VSD_OFFSET 0x20 | |
1480 | ||
1481 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1482 | if (IS_ERR(mailbox)) | |
1483 | return PTR_ERR(mailbox); | |
1484 | outbox = mailbox->buf; | |
1485 | ||
1486 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, | |
f9baff50 | 1487 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
1488 | if (err) |
1489 | goto out; | |
1490 | ||
225c7b1f RD |
1491 | MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); |
1492 | ||
1493 | get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, | |
1494 | adapter->board_id); | |
1495 | ||
1496 | out: | |
1497 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1498 | return err; | |
1499 | } | |
1500 | ||
1501 | int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) | |
1502 | { | |
1503 | struct mlx4_cmd_mailbox *mailbox; | |
1504 | __be32 *inbox; | |
1505 | int err; | |
1506 | ||
1507 | #define INIT_HCA_IN_SIZE 0x200 | |
1508 | #define INIT_HCA_VERSION_OFFSET 0x000 | |
1509 | #define INIT_HCA_VERSION 2 | |
7ffdf726 | 1510 | #define INIT_HCA_VXLAN_OFFSET 0x0c |
c57e20dc | 1511 | #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e |
225c7b1f RD |
1512 | #define INIT_HCA_FLAGS_OFFSET 0x014 |
1513 | #define INIT_HCA_QPC_OFFSET 0x020 | |
1514 | #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) | |
1515 | #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) | |
1516 | #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) | |
1517 | #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) | |
1518 | #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) | |
1519 | #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) | |
5cc914f1 | 1520 | #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) |
77507aa2 | 1521 | #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b) |
225c7b1f RD |
1522 | #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) |
1523 | #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) | |
1524 | #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) | |
1525 | #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) | |
7ae0e400 | 1526 | #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a) |
225c7b1f RD |
1527 | #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) |
1528 | #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) | |
1529 | #define INIT_HCA_MCAST_OFFSET 0x0c0 | |
1530 | #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) | |
1531 | #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) | |
1532 | #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) | |
1679200f | 1533 | #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) |
225c7b1f | 1534 | #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) |
0ff1fb65 HHZ |
1535 | #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 |
1536 | #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 | |
1537 | #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) | |
1538 | #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12) | |
1539 | #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) | |
1540 | #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) | |
1541 | #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22) | |
1542 | #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25) | |
1543 | #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26) | |
225c7b1f RD |
1544 | #define INIT_HCA_TPT_OFFSET 0x0f0 |
1545 | #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) | |
e448834e | 1546 | #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08) |
225c7b1f RD |
1547 | #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) |
1548 | #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) | |
1549 | #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) | |
1550 | #define INIT_HCA_UAR_OFFSET 0x120 | |
1551 | #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) | |
1552 | #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) | |
1553 | ||
1554 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1555 | if (IS_ERR(mailbox)) | |
1556 | return PTR_ERR(mailbox); | |
1557 | inbox = mailbox->buf; | |
1558 | ||
225c7b1f RD |
1559 | *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; |
1560 | ||
c57e20dc EC |
1561 | *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = |
1562 | (ilog2(cache_line_size()) - 4) << 5; | |
1563 | ||
225c7b1f RD |
1564 | #if defined(__LITTLE_ENDIAN) |
1565 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); | |
1566 | #elif defined(__BIG_ENDIAN) | |
1567 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); | |
1568 | #else | |
1569 | #error Host endianness not defined | |
1570 | #endif | |
1571 | /* Check port for UD address vector: */ | |
1572 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); | |
1573 | ||
8ff095ec EC |
1574 | /* Enable IPoIB checksumming if we can: */ |
1575 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) | |
1576 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); | |
1577 | ||
51f5f0ee JM |
1578 | /* Enable QoS support if module parameter set */ |
1579 | if (enable_qos) | |
1580 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); | |
1581 | ||
f2a3f6a3 OG |
1582 | /* enable counters */ |
1583 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) | |
1584 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); | |
1585 | ||
08ff3235 OG |
1586 | /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ |
1587 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) { | |
1588 | *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29); | |
1589 | dev->caps.eqe_size = 64; | |
1590 | dev->caps.eqe_factor = 1; | |
1591 | } else { | |
1592 | dev->caps.eqe_size = 32; | |
1593 | dev->caps.eqe_factor = 0; | |
1594 | } | |
1595 | ||
1596 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) { | |
1597 | *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30); | |
1598 | dev->caps.cqe_size = 64; | |
77507aa2 | 1599 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
1600 | } else { |
1601 | dev->caps.cqe_size = 32; | |
1602 | } | |
1603 | ||
77507aa2 IS |
1604 | /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ |
1605 | if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) && | |
1606 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) { | |
1607 | dev->caps.eqe_size = cache_line_size(); | |
1608 | dev->caps.cqe_size = cache_line_size(); | |
1609 | dev->caps.eqe_factor = 0; | |
1610 | MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 | | |
1611 | (ilog2(dev->caps.eqe_size) - 5)), | |
1612 | INIT_HCA_EQE_CQE_STRIDE_OFFSET); | |
1613 | ||
1614 | /* User still need to know to support CQE > 32B */ | |
1615 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
1616 | } | |
1617 | ||
225c7b1f RD |
1618 | /* QPC/EEC/CQC/EQC/RDMARC attributes */ |
1619 | ||
1620 | MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); | |
1621 | MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); | |
1622 | MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); | |
1623 | MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); | |
1624 | MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); | |
1625 | MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); | |
1626 | MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); | |
1627 | MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); | |
1628 | MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); | |
1629 | MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); | |
7ae0e400 | 1630 | MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET); |
225c7b1f RD |
1631 | MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); |
1632 | MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); | |
1633 | ||
0ff1fb65 HHZ |
1634 | /* steering attributes */ |
1635 | if (dev->caps.steering_mode == | |
1636 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1637 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= | |
1638 | cpu_to_be32(1 << | |
1639 | INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN); | |
1640 | ||
1641 | MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET); | |
1642 | MLX4_PUT(inbox, param->log_mc_entry_sz, | |
1643 | INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); | |
1644 | MLX4_PUT(inbox, param->log_mc_table_sz, | |
1645 | INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); | |
1646 | /* Enable Ethernet flow steering | |
1647 | * with udp unicast and tcp unicast | |
1648 | */ | |
23537b73 | 1649 | MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), |
0ff1fb65 HHZ |
1650 | INIT_HCA_FS_ETH_BITS_OFFSET); |
1651 | MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, | |
1652 | INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET); | |
1653 | /* Enable IPoIB flow steering | |
1654 | * with udp unicast and tcp unicast | |
1655 | */ | |
23537b73 | 1656 | MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), |
0ff1fb65 HHZ |
1657 | INIT_HCA_FS_IB_BITS_OFFSET); |
1658 | MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, | |
1659 | INIT_HCA_FS_IB_NUM_ADDRS_OFFSET); | |
1660 | } else { | |
1661 | MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); | |
1662 | MLX4_PUT(inbox, param->log_mc_entry_sz, | |
1663 | INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); | |
1664 | MLX4_PUT(inbox, param->log_mc_hash_sz, | |
1665 | INIT_HCA_LOG_MC_HASH_SZ_OFFSET); | |
1666 | MLX4_PUT(inbox, param->log_mc_table_sz, | |
1667 | INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); | |
1668 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0) | |
1669 | MLX4_PUT(inbox, (u8) (1 << 3), | |
1670 | INIT_HCA_UC_STEERING_OFFSET); | |
1671 | } | |
225c7b1f RD |
1672 | |
1673 | /* TPT attributes */ | |
1674 | ||
1675 | MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); | |
e448834e | 1676 | MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET); |
225c7b1f RD |
1677 | MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); |
1678 | MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); | |
1679 | MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); | |
1680 | ||
1681 | /* UAR attributes */ | |
1682 | ||
ab9c17a0 | 1683 | MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); |
225c7b1f RD |
1684 | MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); |
1685 | ||
7ffdf726 OG |
1686 | /* set parser VXLAN attributes */ |
1687 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) { | |
1688 | u8 parser_params = 0; | |
1689 | MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET); | |
1690 | } | |
1691 | ||
f9baff50 JM |
1692 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000, |
1693 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
1694 | |
1695 | if (err) | |
1696 | mlx4_err(dev, "INIT_HCA returns %d\n", err); | |
1697 | ||
1698 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1699 | return err; | |
1700 | } | |
1701 | ||
ab9c17a0 JM |
1702 | int mlx4_QUERY_HCA(struct mlx4_dev *dev, |
1703 | struct mlx4_init_hca_param *param) | |
1704 | { | |
1705 | struct mlx4_cmd_mailbox *mailbox; | |
1706 | __be32 *outbox; | |
7b8157be | 1707 | u32 dword_field; |
ab9c17a0 | 1708 | int err; |
08ff3235 | 1709 | u8 byte_field; |
ab9c17a0 JM |
1710 | |
1711 | #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 | |
ddd8a6c1 | 1712 | #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c |
ab9c17a0 JM |
1713 | |
1714 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1715 | if (IS_ERR(mailbox)) | |
1716 | return PTR_ERR(mailbox); | |
1717 | outbox = mailbox->buf; | |
1718 | ||
1719 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, | |
1720 | MLX4_CMD_QUERY_HCA, | |
1721 | MLX4_CMD_TIME_CLASS_B, | |
1722 | !mlx4_is_slave(dev)); | |
1723 | if (err) | |
1724 | goto out; | |
1725 | ||
1726 | MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); | |
ddd8a6c1 | 1727 | MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); |
ab9c17a0 JM |
1728 | |
1729 | /* QPC/EEC/CQC/EQC/RDMARC attributes */ | |
1730 | ||
1731 | MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); | |
1732 | MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); | |
1733 | MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); | |
1734 | MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); | |
1735 | MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); | |
1736 | MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); | |
1737 | MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); | |
1738 | MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); | |
1739 | MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); | |
1740 | MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); | |
7ae0e400 | 1741 | MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); |
ab9c17a0 JM |
1742 | MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); |
1743 | MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); | |
1744 | ||
7b8157be JM |
1745 | MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); |
1746 | if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { | |
1747 | param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; | |
1748 | } else { | |
1749 | MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET); | |
1750 | if (byte_field & 0x8) | |
1751 | param->steering_mode = MLX4_STEERING_MODE_B0; | |
1752 | else | |
1753 | param->steering_mode = MLX4_STEERING_MODE_A0; | |
1754 | } | |
0ff1fb65 | 1755 | /* steering attributes */ |
7b8157be | 1756 | if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
0ff1fb65 HHZ |
1757 | MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); |
1758 | MLX4_GET(param->log_mc_entry_sz, outbox, | |
1759 | INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); | |
1760 | MLX4_GET(param->log_mc_table_sz, outbox, | |
1761 | INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); | |
1762 | } else { | |
1763 | MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); | |
1764 | MLX4_GET(param->log_mc_entry_sz, outbox, | |
1765 | INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); | |
1766 | MLX4_GET(param->log_mc_hash_sz, outbox, | |
1767 | INIT_HCA_LOG_MC_HASH_SZ_OFFSET); | |
1768 | MLX4_GET(param->log_mc_table_sz, outbox, | |
1769 | INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); | |
1770 | } | |
ab9c17a0 | 1771 | |
08ff3235 OG |
1772 | /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ |
1773 | MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS); | |
1774 | if (byte_field & 0x20) /* 64-bytes eqe enabled */ | |
1775 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; | |
1776 | if (byte_field & 0x40) /* 64-bytes cqe enabled */ | |
1777 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; | |
1778 | ||
77507aa2 IS |
1779 | /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ |
1780 | MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET); | |
1781 | if (byte_field) { | |
1782 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; | |
1783 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; | |
1784 | param->cqe_size = 1 << ((byte_field & | |
1785 | MLX4_CQE_SIZE_MASK_STRIDE) + 5); | |
1786 | param->eqe_size = 1 << (((byte_field & | |
1787 | MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5); | |
1788 | } | |
1789 | ||
ab9c17a0 JM |
1790 | /* TPT attributes */ |
1791 | ||
1792 | MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); | |
e448834e | 1793 | MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); |
ab9c17a0 JM |
1794 | MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); |
1795 | MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); | |
1796 | MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); | |
1797 | ||
1798 | /* UAR attributes */ | |
1799 | ||
1800 | MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); | |
1801 | MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); | |
1802 | ||
1803 | out: | |
1804 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1805 | ||
1806 | return err; | |
1807 | } | |
1808 | ||
980e9001 JM |
1809 | /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0 |
1810 | * and real QP0 are active, so that the paravirtualized QP0 is ready | |
1811 | * to operate */ | |
1812 | static int check_qp0_state(struct mlx4_dev *dev, int function, int port) | |
1813 | { | |
1814 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1815 | /* irrelevant if not infiniband */ | |
1816 | if (priv->mfunc.master.qp0_state[port].proxy_qp0_active && | |
1817 | priv->mfunc.master.qp0_state[port].qp0_active) | |
1818 | return 1; | |
1819 | return 0; | |
1820 | } | |
1821 | ||
5cc914f1 MA |
1822 | int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1823 | struct mlx4_vhcr *vhcr, | |
1824 | struct mlx4_cmd_mailbox *inbox, | |
1825 | struct mlx4_cmd_mailbox *outbox, | |
1826 | struct mlx4_cmd_info *cmd) | |
1827 | { | |
1828 | struct mlx4_priv *priv = mlx4_priv(dev); | |
449fc488 | 1829 | int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); |
5cc914f1 MA |
1830 | int err; |
1831 | ||
449fc488 MB |
1832 | if (port < 0) |
1833 | return -EINVAL; | |
1834 | ||
5cc914f1 MA |
1835 | if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) |
1836 | return 0; | |
1837 | ||
980e9001 JM |
1838 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { |
1839 | /* Enable port only if it was previously disabled */ | |
1840 | if (!priv->mfunc.master.init_port_ref[port]) { | |
1841 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
1842 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1843 | if (err) | |
1844 | return err; | |
1845 | } | |
1846 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
1847 | } else { | |
1848 | if (slave == mlx4_master_func_num(dev)) { | |
1849 | if (check_qp0_state(dev, slave, port) && | |
1850 | !priv->mfunc.master.qp0_state[port].port_active) { | |
1851 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
1852 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1853 | if (err) | |
1854 | return err; | |
1855 | priv->mfunc.master.qp0_state[port].port_active = 1; | |
1856 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
1857 | } | |
1858 | } else | |
1859 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
5cc914f1 MA |
1860 | } |
1861 | ++priv->mfunc.master.init_port_ref[port]; | |
1862 | return 0; | |
1863 | } | |
1864 | ||
5ae2a7a8 | 1865 | int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) |
225c7b1f RD |
1866 | { |
1867 | struct mlx4_cmd_mailbox *mailbox; | |
1868 | u32 *inbox; | |
1869 | int err; | |
1870 | u32 flags; | |
5ae2a7a8 | 1871 | u16 field; |
225c7b1f | 1872 | |
5ae2a7a8 | 1873 | if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
225c7b1f RD |
1874 | #define INIT_PORT_IN_SIZE 256 |
1875 | #define INIT_PORT_FLAGS_OFFSET 0x00 | |
1876 | #define INIT_PORT_FLAG_SIG (1 << 18) | |
1877 | #define INIT_PORT_FLAG_NG (1 << 17) | |
1878 | #define INIT_PORT_FLAG_G0 (1 << 16) | |
1879 | #define INIT_PORT_VL_SHIFT 4 | |
1880 | #define INIT_PORT_PORT_WIDTH_SHIFT 8 | |
1881 | #define INIT_PORT_MTU_OFFSET 0x04 | |
1882 | #define INIT_PORT_MAX_GID_OFFSET 0x06 | |
1883 | #define INIT_PORT_MAX_PKEY_OFFSET 0x0a | |
1884 | #define INIT_PORT_GUID0_OFFSET 0x10 | |
1885 | #define INIT_PORT_NODE_GUID_OFFSET 0x18 | |
1886 | #define INIT_PORT_SI_GUID_OFFSET 0x20 | |
1887 | ||
5ae2a7a8 RD |
1888 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1889 | if (IS_ERR(mailbox)) | |
1890 | return PTR_ERR(mailbox); | |
1891 | inbox = mailbox->buf; | |
225c7b1f | 1892 | |
5ae2a7a8 RD |
1893 | flags = 0; |
1894 | flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; | |
1895 | flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; | |
1896 | MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); | |
225c7b1f | 1897 | |
b79acb49 | 1898 | field = 128 << dev->caps.ib_mtu_cap[port]; |
5ae2a7a8 RD |
1899 | MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); |
1900 | field = dev->caps.gid_table_len[port]; | |
1901 | MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); | |
1902 | field = dev->caps.pkey_table_len[port]; | |
1903 | MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); | |
225c7b1f | 1904 | |
5ae2a7a8 | 1905 | err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, |
f9baff50 | 1906 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f | 1907 | |
5ae2a7a8 RD |
1908 | mlx4_free_cmd_mailbox(dev, mailbox); |
1909 | } else | |
1910 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
f9baff50 | 1911 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
225c7b1f RD |
1912 | |
1913 | return err; | |
1914 | } | |
1915 | EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); | |
1916 | ||
5cc914f1 MA |
1917 | int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1918 | struct mlx4_vhcr *vhcr, | |
1919 | struct mlx4_cmd_mailbox *inbox, | |
1920 | struct mlx4_cmd_mailbox *outbox, | |
1921 | struct mlx4_cmd_info *cmd) | |
1922 | { | |
1923 | struct mlx4_priv *priv = mlx4_priv(dev); | |
449fc488 | 1924 | int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); |
5cc914f1 MA |
1925 | int err; |
1926 | ||
449fc488 MB |
1927 | if (port < 0) |
1928 | return -EINVAL; | |
1929 | ||
5cc914f1 MA |
1930 | if (!(priv->mfunc.master.slave_state[slave].init_port_mask & |
1931 | (1 << port))) | |
1932 | return 0; | |
1933 | ||
980e9001 JM |
1934 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { |
1935 | if (priv->mfunc.master.init_port_ref[port] == 1) { | |
1936 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, | |
1937 | 1000, MLX4_CMD_NATIVE); | |
1938 | if (err) | |
1939 | return err; | |
1940 | } | |
1941 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
1942 | } else { | |
1943 | /* infiniband port */ | |
1944 | if (slave == mlx4_master_func_num(dev)) { | |
1945 | if (!priv->mfunc.master.qp0_state[port].qp0_active && | |
1946 | priv->mfunc.master.qp0_state[port].port_active) { | |
1947 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, | |
1948 | 1000, MLX4_CMD_NATIVE); | |
1949 | if (err) | |
1950 | return err; | |
1951 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
1952 | priv->mfunc.master.qp0_state[port].port_active = 0; | |
1953 | } | |
1954 | } else | |
1955 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
5cc914f1 | 1956 | } |
5cc914f1 MA |
1957 | --priv->mfunc.master.init_port_ref[port]; |
1958 | return 0; | |
1959 | } | |
1960 | ||
225c7b1f RD |
1961 | int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) |
1962 | { | |
f9baff50 JM |
1963 | return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000, |
1964 | MLX4_CMD_WRAPPED); | |
225c7b1f RD |
1965 | } |
1966 | EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); | |
1967 | ||
1968 | int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) | |
1969 | { | |
f9baff50 JM |
1970 | return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000, |
1971 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
1972 | } |
1973 | ||
d18f141a OG |
1974 | struct mlx4_config_dev { |
1975 | __be32 update_flags; | |
d475c95b | 1976 | __be32 rsvd1[3]; |
d18f141a OG |
1977 | __be16 vxlan_udp_dport; |
1978 | __be16 rsvd2; | |
d475c95b MB |
1979 | __be32 rsvd3[27]; |
1980 | __be16 rsvd4; | |
1981 | u8 rsvd5; | |
1982 | u8 rx_checksum_val; | |
d18f141a OG |
1983 | }; |
1984 | ||
1985 | #define MLX4_VXLAN_UDP_DPORT (1 << 0) | |
1986 | ||
d475c95b | 1987 | static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) |
d18f141a OG |
1988 | { |
1989 | int err; | |
1990 | struct mlx4_cmd_mailbox *mailbox; | |
1991 | ||
1992 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1993 | if (IS_ERR(mailbox)) | |
1994 | return PTR_ERR(mailbox); | |
1995 | ||
1996 | memcpy(mailbox->buf, config_dev, sizeof(*config_dev)); | |
1997 | ||
1998 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV, | |
1999 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2000 | ||
2001 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2002 | return err; | |
2003 | } | |
2004 | ||
d475c95b MB |
2005 | static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) |
2006 | { | |
2007 | int err; | |
2008 | struct mlx4_cmd_mailbox *mailbox; | |
2009 | ||
2010 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2011 | if (IS_ERR(mailbox)) | |
2012 | return PTR_ERR(mailbox); | |
2013 | ||
2014 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV, | |
2015 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
2016 | ||
2017 | if (!err) | |
2018 | memcpy(config_dev, mailbox->buf, sizeof(*config_dev)); | |
2019 | ||
2020 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2021 | return err; | |
2022 | } | |
2023 | ||
2024 | /* Conversion between the HW values and the actual functionality. | |
2025 | * The value represented by the array index, | |
2026 | * and the functionality determined by the flags. | |
2027 | */ | |
2028 | static const u8 config_dev_csum_flags[] = { | |
2029 | [0] = 0, | |
2030 | [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP, | |
2031 | [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP | | |
2032 | MLX4_RX_CSUM_MODE_L4, | |
2033 | [3] = MLX4_RX_CSUM_MODE_L4 | | |
2034 | MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP | | |
2035 | MLX4_RX_CSUM_MODE_MULTI_VLAN | |
2036 | }; | |
2037 | ||
2038 | int mlx4_config_dev_retrieval(struct mlx4_dev *dev, | |
2039 | struct mlx4_config_dev_params *params) | |
2040 | { | |
2041 | struct mlx4_config_dev config_dev; | |
2042 | int err; | |
2043 | u8 csum_mask; | |
2044 | ||
2045 | #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7 | |
2046 | #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0 | |
2047 | #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4 | |
2048 | ||
2049 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV)) | |
2050 | return -ENOTSUPP; | |
2051 | ||
2052 | err = mlx4_CONFIG_DEV_get(dev, &config_dev); | |
2053 | if (err) | |
2054 | return err; | |
2055 | ||
2056 | csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) & | |
2057 | CONFIG_DEV_RX_CSUM_MODE_MASK; | |
2058 | ||
2059 | if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) | |
2060 | return -EINVAL; | |
2061 | params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask]; | |
2062 | ||
2063 | csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) & | |
2064 | CONFIG_DEV_RX_CSUM_MODE_MASK; | |
2065 | ||
2066 | if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) | |
2067 | return -EINVAL; | |
2068 | params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask]; | |
2069 | ||
2070 | params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport); | |
2071 | ||
2072 | return 0; | |
2073 | } | |
2074 | EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval); | |
2075 | ||
d18f141a OG |
2076 | int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) |
2077 | { | |
2078 | struct mlx4_config_dev config_dev; | |
2079 | ||
2080 | memset(&config_dev, 0, sizeof(config_dev)); | |
2081 | config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT); | |
2082 | config_dev.vxlan_udp_dport = udp_port; | |
2083 | ||
d475c95b | 2084 | return mlx4_CONFIG_DEV_set(dev, &config_dev); |
d18f141a OG |
2085 | } |
2086 | EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port); | |
2087 | ||
2088 | ||
225c7b1f RD |
2089 | int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) |
2090 | { | |
2091 | int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, | |
2092 | MLX4_CMD_SET_ICM_SIZE, | |
f9baff50 | 2093 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
2094 | if (ret) |
2095 | return ret; | |
2096 | ||
2097 | /* | |
2098 | * Round up number of system pages needed in case | |
2099 | * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. | |
2100 | */ | |
2101 | *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> | |
2102 | (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); | |
2103 | ||
2104 | return 0; | |
2105 | } | |
2106 | ||
2107 | int mlx4_NOP(struct mlx4_dev *dev) | |
2108 | { | |
2109 | /* Input modifier of 0x1f means "finish as soon as possible." */ | |
f9baff50 | 2110 | return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE); |
225c7b1f | 2111 | } |
14c07b13 | 2112 | |
8e1a28e8 HHZ |
2113 | int mlx4_get_phys_port_id(struct mlx4_dev *dev) |
2114 | { | |
2115 | u8 port; | |
2116 | u32 *outbox; | |
2117 | struct mlx4_cmd_mailbox *mailbox; | |
2118 | u32 in_mod; | |
2119 | u32 guid_hi, guid_lo; | |
2120 | int err, ret = 0; | |
2121 | #define MOD_STAT_CFG_PORT_OFFSET 8 | |
2122 | #define MOD_STAT_CFG_GUID_H 0X14 | |
2123 | #define MOD_STAT_CFG_GUID_L 0X1c | |
2124 | ||
2125 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2126 | if (IS_ERR(mailbox)) | |
2127 | return PTR_ERR(mailbox); | |
2128 | outbox = mailbox->buf; | |
2129 | ||
2130 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
2131 | in_mod = port << MOD_STAT_CFG_PORT_OFFSET; | |
2132 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2, | |
2133 | MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, | |
2134 | MLX4_CMD_NATIVE); | |
2135 | if (err) { | |
2136 | mlx4_err(dev, "Fail to get port %d uplink guid\n", | |
2137 | port); | |
2138 | ret = err; | |
2139 | } else { | |
2140 | MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H); | |
2141 | MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L); | |
2142 | dev->caps.phys_port_id[port] = (u64)guid_lo | | |
2143 | (u64)guid_hi << 32; | |
2144 | } | |
2145 | } | |
2146 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2147 | return ret; | |
2148 | } | |
2149 | ||
14c07b13 YP |
2150 | #define MLX4_WOL_SETUP_MODE (5 << 28) |
2151 | int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) | |
2152 | { | |
2153 | u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; | |
2154 | ||
2155 | return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, | |
f9baff50 JM |
2156 | MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, |
2157 | MLX4_CMD_NATIVE); | |
14c07b13 YP |
2158 | } |
2159 | EXPORT_SYMBOL_GPL(mlx4_wol_read); | |
2160 | ||
2161 | int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) | |
2162 | { | |
2163 | u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; | |
2164 | ||
2165 | return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, | |
f9baff50 | 2166 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
14c07b13 YP |
2167 | } |
2168 | EXPORT_SYMBOL_GPL(mlx4_wol_write); | |
fe6f700d YP |
2169 | |
2170 | enum { | |
2171 | ADD_TO_MCG = 0x26, | |
2172 | }; | |
2173 | ||
2174 | ||
2175 | void mlx4_opreq_action(struct work_struct *work) | |
2176 | { | |
2177 | struct mlx4_priv *priv = container_of(work, struct mlx4_priv, | |
2178 | opreq_task); | |
2179 | struct mlx4_dev *dev = &priv->dev; | |
2180 | int num_tasks = atomic_read(&priv->opreq_count); | |
2181 | struct mlx4_cmd_mailbox *mailbox; | |
2182 | struct mlx4_mgm *mgm; | |
2183 | u32 *outbox; | |
2184 | u32 modifier; | |
2185 | u16 token; | |
fe6f700d YP |
2186 | u16 type; |
2187 | int err; | |
2188 | u32 num_qps; | |
2189 | struct mlx4_qp qp; | |
2190 | int i; | |
2191 | u8 rem_mcg; | |
2192 | u8 prot; | |
2193 | ||
2194 | #define GET_OP_REQ_MODIFIER_OFFSET 0x08 | |
2195 | #define GET_OP_REQ_TOKEN_OFFSET 0x14 | |
2196 | #define GET_OP_REQ_TYPE_OFFSET 0x1a | |
2197 | #define GET_OP_REQ_DATA_OFFSET 0x20 | |
2198 | ||
2199 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2200 | if (IS_ERR(mailbox)) { | |
2201 | mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n"); | |
2202 | return; | |
2203 | } | |
2204 | outbox = mailbox->buf; | |
2205 | ||
2206 | while (num_tasks) { | |
2207 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, | |
2208 | MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, | |
2209 | MLX4_CMD_NATIVE); | |
2210 | if (err) { | |
6d3be300 | 2211 | mlx4_err(dev, "Failed to retrieve required operation: %d\n", |
fe6f700d YP |
2212 | err); |
2213 | return; | |
2214 | } | |
2215 | MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); | |
2216 | MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); | |
2217 | MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET); | |
fe6f700d YP |
2218 | type &= 0xfff; |
2219 | ||
2220 | switch (type) { | |
2221 | case ADD_TO_MCG: | |
2222 | if (dev->caps.steering_mode == | |
2223 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2224 | mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n"); | |
2225 | err = EPERM; | |
2226 | break; | |
2227 | } | |
2228 | mgm = (struct mlx4_mgm *)((u8 *)(outbox) + | |
2229 | GET_OP_REQ_DATA_OFFSET); | |
2230 | num_qps = be32_to_cpu(mgm->members_count) & | |
2231 | MGM_QPN_MASK; | |
2232 | rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1; | |
2233 | prot = ((u8 *)(&mgm->members_count))[0] >> 6; | |
2234 | ||
2235 | for (i = 0; i < num_qps; i++) { | |
2236 | qp.qpn = be32_to_cpu(mgm->qp[i]); | |
2237 | if (rem_mcg) | |
2238 | err = mlx4_multicast_detach(dev, &qp, | |
2239 | mgm->gid, | |
2240 | prot, 0); | |
2241 | else | |
2242 | err = mlx4_multicast_attach(dev, &qp, | |
2243 | mgm->gid, | |
2244 | mgm->gid[5] | |
2245 | , 0, prot, | |
2246 | NULL); | |
2247 | if (err) | |
2248 | break; | |
2249 | } | |
2250 | break; | |
2251 | default: | |
2252 | mlx4_warn(dev, "Bad type for required operation\n"); | |
2253 | err = EINVAL; | |
2254 | break; | |
2255 | } | |
28d222bb EP |
2256 | err = mlx4_cmd(dev, 0, ((u32) err | |
2257 | (__force u32)cpu_to_be32(token) << 16), | |
fe6f700d YP |
2258 | 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, |
2259 | MLX4_CMD_NATIVE); | |
2260 | if (err) { | |
2261 | mlx4_err(dev, "Failed to acknowledge required request: %d\n", | |
2262 | err); | |
2263 | goto out; | |
2264 | } | |
2265 | memset(outbox, 0, 0xffc); | |
2266 | num_tasks = atomic_dec_return(&priv->opreq_count); | |
2267 | } | |
2268 | ||
2269 | out: | |
2270 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2271 | } | |
114840c3 JM |
2272 | |
2273 | static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev, | |
2274 | struct mlx4_cmd_mailbox *mailbox) | |
2275 | { | |
2276 | #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10 | |
2277 | #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20 | |
2278 | #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40 | |
2279 | #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70 | |
2280 | ||
2281 | u32 set_attr_mask, getresp_attr_mask; | |
2282 | u32 trap_attr_mask, traprepress_attr_mask; | |
2283 | ||
2284 | MLX4_GET(set_attr_mask, mailbox->buf, | |
2285 | MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET); | |
2286 | mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n", | |
2287 | set_attr_mask); | |
2288 | ||
2289 | MLX4_GET(getresp_attr_mask, mailbox->buf, | |
2290 | MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET); | |
2291 | mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n", | |
2292 | getresp_attr_mask); | |
2293 | ||
2294 | MLX4_GET(trap_attr_mask, mailbox->buf, | |
2295 | MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET); | |
2296 | mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n", | |
2297 | trap_attr_mask); | |
2298 | ||
2299 | MLX4_GET(traprepress_attr_mask, mailbox->buf, | |
2300 | MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET); | |
2301 | mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n", | |
2302 | traprepress_attr_mask); | |
2303 | ||
2304 | if (set_attr_mask && getresp_attr_mask && trap_attr_mask && | |
2305 | traprepress_attr_mask) | |
2306 | return 1; | |
2307 | ||
2308 | return 0; | |
2309 | } | |
2310 | ||
2311 | int mlx4_config_mad_demux(struct mlx4_dev *dev) | |
2312 | { | |
2313 | struct mlx4_cmd_mailbox *mailbox; | |
2314 | int secure_host_active; | |
2315 | int err; | |
2316 | ||
2317 | /* Check if mad_demux is supported */ | |
2318 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX)) | |
2319 | return 0; | |
2320 | ||
2321 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2322 | if (IS_ERR(mailbox)) { | |
2323 | mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX"); | |
2324 | return -ENOMEM; | |
2325 | } | |
2326 | ||
2327 | /* Query mad_demux to find out which MADs are handled by internal sma */ | |
2328 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */, | |
2329 | MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX, | |
2330 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2331 | if (err) { | |
2332 | mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n", | |
2333 | err); | |
2334 | goto out; | |
2335 | } | |
2336 | ||
2337 | secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox); | |
2338 | ||
2339 | /* Config mad_demux to handle all MADs returned by the query above */ | |
2340 | err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */, | |
2341 | MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX, | |
2342 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2343 | if (err) { | |
2344 | mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err); | |
2345 | goto out; | |
2346 | } | |
2347 | ||
2348 | if (secure_host_active) | |
2349 | mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n"); | |
2350 | out: | |
2351 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2352 | return err; | |
2353 | } | |
adbc7ac5 SM |
2354 | |
2355 | /* Access Reg commands */ | |
2356 | enum mlx4_access_reg_masks { | |
2357 | MLX4_ACCESS_REG_STATUS_MASK = 0x7f, | |
2358 | MLX4_ACCESS_REG_METHOD_MASK = 0x7f, | |
2359 | MLX4_ACCESS_REG_LEN_MASK = 0x7ff | |
2360 | }; | |
2361 | ||
2362 | struct mlx4_access_reg { | |
2363 | __be16 constant1; | |
2364 | u8 status; | |
2365 | u8 resrvd1; | |
2366 | __be16 reg_id; | |
2367 | u8 method; | |
2368 | u8 constant2; | |
2369 | __be32 resrvd2[2]; | |
2370 | __be16 len_const; | |
2371 | __be16 resrvd3; | |
2372 | #define MLX4_ACCESS_REG_HEADER_SIZE (20) | |
2373 | u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE]; | |
2374 | } __attribute__((__packed__)); | |
2375 | ||
2376 | /** | |
2377 | * mlx4_ACCESS_REG - Generic access reg command. | |
2378 | * @dev: mlx4_dev. | |
2379 | * @reg_id: register ID to access. | |
2380 | * @method: Access method Read/Write. | |
2381 | * @reg_len: register length to Read/Write in bytes. | |
2382 | * @reg_data: reg_data pointer to Read/Write From/To. | |
2383 | * | |
2384 | * Access ConnectX registers FW command. | |
2385 | * Returns 0 on success and copies outbox mlx4_access_reg data | |
2386 | * field into reg_data or a negative error code. | |
2387 | */ | |
2388 | static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id, | |
2389 | enum mlx4_access_reg_method method, | |
2390 | u16 reg_len, void *reg_data) | |
2391 | { | |
2392 | struct mlx4_cmd_mailbox *inbox, *outbox; | |
2393 | struct mlx4_access_reg *inbuf, *outbuf; | |
2394 | int err; | |
2395 | ||
2396 | inbox = mlx4_alloc_cmd_mailbox(dev); | |
2397 | if (IS_ERR(inbox)) | |
2398 | return PTR_ERR(inbox); | |
2399 | ||
2400 | outbox = mlx4_alloc_cmd_mailbox(dev); | |
2401 | if (IS_ERR(outbox)) { | |
2402 | mlx4_free_cmd_mailbox(dev, inbox); | |
2403 | return PTR_ERR(outbox); | |
2404 | } | |
2405 | ||
2406 | inbuf = inbox->buf; | |
2407 | outbuf = outbox->buf; | |
2408 | ||
2409 | inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4); | |
2410 | inbuf->constant2 = 0x1; | |
2411 | inbuf->reg_id = cpu_to_be16(reg_id); | |
2412 | inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK; | |
2413 | ||
2414 | reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data))); | |
2415 | inbuf->len_const = | |
2416 | cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) | | |
2417 | ((0x3) << 12)); | |
2418 | ||
2419 | memcpy(inbuf->reg_data, reg_data, reg_len); | |
2420 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0, | |
2421 | MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, | |
6e806699 | 2422 | MLX4_CMD_WRAPPED); |
adbc7ac5 SM |
2423 | if (err) |
2424 | goto out; | |
2425 | ||
2426 | if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) { | |
2427 | err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK; | |
2428 | mlx4_err(dev, | |
2429 | "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n", | |
2430 | reg_id, err); | |
2431 | goto out; | |
2432 | } | |
2433 | ||
2434 | memcpy(reg_data, outbuf->reg_data, reg_len); | |
2435 | out: | |
2436 | mlx4_free_cmd_mailbox(dev, inbox); | |
2437 | mlx4_free_cmd_mailbox(dev, outbox); | |
2438 | return err; | |
2439 | } | |
2440 | ||
2441 | /* ConnectX registers IDs */ | |
2442 | enum mlx4_reg_id { | |
2443 | MLX4_REG_ID_PTYS = 0x5004, | |
2444 | }; | |
2445 | ||
2446 | /** | |
2447 | * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed) | |
2448 | * register | |
2449 | * @dev: mlx4_dev. | |
2450 | * @method: Access method Read/Write. | |
2451 | * @ptys_reg: PTYS register data pointer. | |
2452 | * | |
2453 | * Access ConnectX PTYS register, to Read/Write Port Type/Speed | |
2454 | * configuration | |
2455 | * Returns 0 on success or a negative error code. | |
2456 | */ | |
2457 | int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, | |
2458 | enum mlx4_access_reg_method method, | |
2459 | struct mlx4_ptys_reg *ptys_reg) | |
2460 | { | |
2461 | return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS, | |
2462 | method, sizeof(*ptys_reg), ptys_reg); | |
2463 | } | |
2464 | EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG); | |
6e806699 SM |
2465 | |
2466 | int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, | |
2467 | struct mlx4_vhcr *vhcr, | |
2468 | struct mlx4_cmd_mailbox *inbox, | |
2469 | struct mlx4_cmd_mailbox *outbox, | |
2470 | struct mlx4_cmd_info *cmd) | |
2471 | { | |
2472 | struct mlx4_access_reg *inbuf = inbox->buf; | |
2473 | u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK; | |
2474 | u16 reg_id = be16_to_cpu(inbuf->reg_id); | |
2475 | ||
2476 | if (slave != mlx4_master_func_num(dev) && | |
2477 | method == MLX4_ACCESS_REG_WRITE) | |
2478 | return -EPERM; | |
2479 | ||
2480 | if (reg_id == MLX4_REG_ID_PTYS) { | |
2481 | struct mlx4_ptys_reg *ptys_reg = | |
2482 | (struct mlx4_ptys_reg *)inbuf->reg_data; | |
2483 | ||
2484 | ptys_reg->local_port = | |
2485 | mlx4_slave_convert_port(dev, slave, | |
2486 | ptys_reg->local_port); | |
2487 | } | |
2488 | ||
2489 | return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier, | |
2490 | 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, | |
2491 | MLX4_CMD_NATIVE); | |
2492 | } |