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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 | 146 | [17] = "Asymmetric EQs support", |
7d077cd3 MB |
147 | [18] = "More than 80 VFs support", |
148 | [19] = "Performance optimized for limited rule configuration flow steering support" | |
b3416f44 SP |
149 | }; |
150 | int i; | |
151 | ||
152 | for (i = 0; i < ARRAY_SIZE(fname); ++i) | |
153 | if (fname[i] && (flags & (1LL << i))) | |
154 | mlx4_dbg(dev, " %s\n", fname[i]); | |
155 | } | |
156 | ||
2d928651 VS |
157 | int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) |
158 | { | |
159 | struct mlx4_cmd_mailbox *mailbox; | |
160 | u32 *inbox; | |
161 | int err = 0; | |
162 | ||
163 | #define MOD_STAT_CFG_IN_SIZE 0x100 | |
164 | ||
165 | #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 | |
166 | #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 | |
167 | ||
168 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
169 | if (IS_ERR(mailbox)) | |
170 | return PTR_ERR(mailbox); | |
171 | inbox = mailbox->buf; | |
172 | ||
2d928651 VS |
173 | MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); |
174 | MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); | |
175 | ||
176 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, | |
f9baff50 | 177 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
2d928651 VS |
178 | |
179 | mlx4_free_cmd_mailbox(dev, mailbox); | |
180 | return err; | |
181 | } | |
182 | ||
e8c4265b MB |
183 | int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave) |
184 | { | |
185 | struct mlx4_cmd_mailbox *mailbox; | |
186 | u32 *outbox; | |
187 | u8 in_modifier; | |
188 | u8 field; | |
189 | u16 field16; | |
190 | int err; | |
191 | ||
192 | #define QUERY_FUNC_BUS_OFFSET 0x00 | |
193 | #define QUERY_FUNC_DEVICE_OFFSET 0x01 | |
194 | #define QUERY_FUNC_FUNCTION_OFFSET 0x01 | |
195 | #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03 | |
196 | #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04 | |
197 | #define QUERY_FUNC_MAX_EQ_OFFSET 0x06 | |
198 | #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b | |
199 | ||
200 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
201 | if (IS_ERR(mailbox)) | |
202 | return PTR_ERR(mailbox); | |
203 | outbox = mailbox->buf; | |
204 | ||
205 | in_modifier = slave; | |
e8c4265b MB |
206 | |
207 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0, | |
208 | MLX4_CMD_QUERY_FUNC, | |
209 | MLX4_CMD_TIME_CLASS_A, | |
210 | MLX4_CMD_NATIVE); | |
211 | if (err) | |
212 | goto out; | |
213 | ||
214 | MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET); | |
215 | func->bus = field & 0xf; | |
216 | MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET); | |
217 | func->device = field & 0xf1; | |
218 | MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET); | |
219 | func->function = field & 0x7; | |
220 | MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET); | |
221 | func->physical_function = field & 0xf; | |
222 | MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET); | |
223 | func->rsvd_eqs = field16 & 0xffff; | |
224 | MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET); | |
225 | func->max_eq = field16 & 0xffff; | |
226 | MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET); | |
227 | func->rsvd_uars = field & 0x0f; | |
228 | ||
229 | mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n", | |
230 | func->bus, func->device, func->function, func->physical_function, | |
231 | func->max_eq, func->rsvd_eqs, func->rsvd_uars); | |
232 | ||
233 | out: | |
234 | mlx4_free_cmd_mailbox(dev, mailbox); | |
235 | return err; | |
236 | } | |
237 | ||
5cc914f1 MA |
238 | int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, |
239 | struct mlx4_vhcr *vhcr, | |
240 | struct mlx4_cmd_mailbox *inbox, | |
241 | struct mlx4_cmd_mailbox *outbox, | |
242 | struct mlx4_cmd_info *cmd) | |
243 | { | |
5a0d0a61 | 244 | struct mlx4_priv *priv = mlx4_priv(dev); |
99ec41d0 JM |
245 | u8 field, port; |
246 | u32 size, proxy_qp, qkey; | |
5cc914f1 | 247 | int err = 0; |
7ae0e400 | 248 | struct mlx4_func func; |
5cc914f1 MA |
249 | |
250 | #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 | |
251 | #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 | |
5cc914f1 | 252 | #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 |
105c320f | 253 | #define QUERY_FUNC_CAP_FMR_OFFSET 0x8 |
eb456a68 JM |
254 | #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10 |
255 | #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14 | |
256 | #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18 | |
257 | #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20 | |
258 | #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24 | |
259 | #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28 | |
5cc914f1 | 260 | #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c |
69612b9f | 261 | #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 |
5cc914f1 | 262 | |
eb456a68 JM |
263 | #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50 |
264 | #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54 | |
265 | #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58 | |
266 | #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60 | |
267 | #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64 | |
268 | #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68 | |
269 | ||
ddae0349 EE |
270 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c |
271 | ||
105c320f JM |
272 | #define QUERY_FUNC_CAP_FMR_FLAG 0x80 |
273 | #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 | |
274 | #define QUERY_FUNC_CAP_FLAG_ETH 0x80 | |
eb456a68 | 275 | #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10 |
ddae0349 EE |
276 | #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04 |
277 | ||
278 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31) | |
d57febe1 | 279 | #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30) |
105c320f JM |
280 | |
281 | /* when opcode modifier = 1 */ | |
5cc914f1 | 282 | #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 |
99ec41d0 | 283 | #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4 |
73e74ab4 HHZ |
284 | #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8 |
285 | #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc | |
5cc914f1 | 286 | |
47605df9 JM |
287 | #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10 |
288 | #define QUERY_FUNC_CAP_QP0_PROXY 0x14 | |
289 | #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18 | |
290 | #define QUERY_FUNC_CAP_QP1_PROXY 0x1c | |
8e1a28e8 | 291 | #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28 |
47605df9 | 292 | |
73e74ab4 HHZ |
293 | #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40 |
294 | #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80 | |
eb17711b | 295 | #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10 |
99ec41d0 | 296 | #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08 |
105c320f | 297 | |
73e74ab4 | 298 | #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80 |
7ae0e400 | 299 | #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS (1 << 31) |
105c320f | 300 | |
5cc914f1 | 301 | if (vhcr->op_modifier == 1) { |
449fc488 MB |
302 | struct mlx4_active_ports actv_ports = |
303 | mlx4_get_active_ports(dev, slave); | |
304 | int converted_port = mlx4_slave_convert_port( | |
305 | dev, slave, vhcr->in_modifier); | |
306 | ||
307 | if (converted_port < 0) | |
308 | return -EINVAL; | |
309 | ||
310 | vhcr->in_modifier = converted_port; | |
449fc488 MB |
311 | /* phys-port = logical-port */ |
312 | field = vhcr->in_modifier - | |
313 | find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
47605df9 JM |
314 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); |
315 | ||
99ec41d0 JM |
316 | port = vhcr->in_modifier; |
317 | proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1; | |
318 | ||
319 | /* Set nic_info bit to mark new fields support */ | |
320 | field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO; | |
321 | ||
322 | if (mlx4_vf_smi_enabled(dev, slave, port) && | |
323 | !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) { | |
324 | field |= QUERY_FUNC_CAP_VF_ENABLE_QP0; | |
325 | MLX4_PUT(outbox->buf, qkey, | |
326 | QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); | |
327 | } | |
328 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET); | |
329 | ||
47605df9 | 330 | /* size is now the QP number */ |
99ec41d0 | 331 | size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1; |
47605df9 JM |
332 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); |
333 | ||
334 | size += 2; | |
335 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); | |
336 | ||
99ec41d0 JM |
337 | MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY); |
338 | proxy_qp += 2; | |
339 | MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY); | |
47605df9 | 340 | |
8e1a28e8 HHZ |
341 | MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier], |
342 | QUERY_FUNC_CAP_PHYS_PORT_ID); | |
343 | ||
5cc914f1 | 344 | } else if (vhcr->op_modifier == 0) { |
449fc488 MB |
345 | struct mlx4_active_ports actv_ports = |
346 | mlx4_get_active_ports(dev, slave); | |
eb456a68 JM |
347 | /* enable rdma and ethernet interfaces, and new quota locations */ |
348 | field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA | | |
ddae0349 | 349 | QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX); |
5cc914f1 MA |
350 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); |
351 | ||
449fc488 MB |
352 | field = min( |
353 | bitmap_weight(actv_ports.ports, dev->caps.num_ports), | |
354 | dev->caps.num_ports); | |
5cc914f1 MA |
355 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); |
356 | ||
08ff3235 | 357 | size = dev->caps.function_caps; /* set PF behaviours */ |
5cc914f1 MA |
358 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); |
359 | ||
105c320f JM |
360 | field = 0; /* protected FMR support not available as yet */ |
361 | MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET); | |
362 | ||
5a0d0a61 | 363 | size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave]; |
5cc914f1 | 364 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); |
eb456a68 JM |
365 | size = dev->caps.num_qps; |
366 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); | |
5cc914f1 | 367 | |
5a0d0a61 | 368 | size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave]; |
5cc914f1 | 369 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); |
eb456a68 JM |
370 | size = dev->caps.num_srqs; |
371 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); | |
5cc914f1 | 372 | |
5a0d0a61 | 373 | size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave]; |
5cc914f1 | 374 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); |
eb456a68 JM |
375 | size = dev->caps.num_cqs; |
376 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); | |
5cc914f1 | 377 | |
7ae0e400 MB |
378 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) || |
379 | mlx4_QUERY_FUNC(dev, &func, slave)) { | |
380 | size = vhcr->in_modifier & | |
381 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? | |
382 | dev->caps.num_eqs : | |
383 | rounddown_pow_of_two(dev->caps.num_eqs); | |
384 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); | |
385 | size = dev->caps.reserved_eqs; | |
386 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); | |
387 | } else { | |
388 | size = vhcr->in_modifier & | |
389 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? | |
390 | func.max_eq : | |
391 | rounddown_pow_of_two(func.max_eq); | |
392 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); | |
393 | size = func.rsvd_eqs; | |
394 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); | |
395 | } | |
5cc914f1 | 396 | |
5a0d0a61 | 397 | size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave]; |
5cc914f1 | 398 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); |
eb456a68 JM |
399 | size = dev->caps.num_mpts; |
400 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); | |
5cc914f1 | 401 | |
5a0d0a61 | 402 | size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave]; |
5cc914f1 | 403 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); |
eb456a68 JM |
404 | size = dev->caps.num_mtts; |
405 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); | |
5cc914f1 MA |
406 | |
407 | size = dev->caps.num_mgms + dev->caps.num_amgms; | |
408 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); | |
eb456a68 | 409 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); |
5cc914f1 | 410 | |
d57febe1 MB |
411 | size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG | |
412 | QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG; | |
ddae0349 | 413 | MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); |
5cc914f1 MA |
414 | } else |
415 | err = -EINVAL; | |
416 | ||
417 | return err; | |
418 | } | |
419 | ||
225c6c8c | 420 | int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, |
47605df9 | 421 | struct mlx4_func_cap *func_cap) |
5cc914f1 MA |
422 | { |
423 | struct mlx4_cmd_mailbox *mailbox; | |
424 | u32 *outbox; | |
47605df9 | 425 | u8 field, op_modifier; |
99ec41d0 | 426 | u32 size, qkey; |
eb456a68 | 427 | int err = 0, quotas = 0; |
7ae0e400 | 428 | u32 in_modifier; |
5cc914f1 | 429 | |
47605df9 | 430 | op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ |
7ae0e400 MB |
431 | in_modifier = op_modifier ? gen_or_port : |
432 | QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS; | |
5cc914f1 MA |
433 | |
434 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
435 | if (IS_ERR(mailbox)) | |
436 | return PTR_ERR(mailbox); | |
437 | ||
7ae0e400 | 438 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier, |
47605df9 | 439 | MLX4_CMD_QUERY_FUNC_CAP, |
5cc914f1 MA |
440 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
441 | if (err) | |
442 | goto out; | |
443 | ||
444 | outbox = mailbox->buf; | |
445 | ||
47605df9 JM |
446 | if (!op_modifier) { |
447 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); | |
448 | if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) { | |
449 | mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n"); | |
450 | err = -EPROTONOSUPPORT; | |
451 | goto out; | |
452 | } | |
453 | func_cap->flags = field; | |
eb456a68 | 454 | quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS); |
5cc914f1 | 455 | |
47605df9 JM |
456 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); |
457 | func_cap->num_ports = field; | |
5cc914f1 | 458 | |
47605df9 JM |
459 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); |
460 | func_cap->pf_context_behaviour = size; | |
5cc914f1 | 461 | |
eb456a68 JM |
462 | if (quotas) { |
463 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); | |
464 | func_cap->qp_quota = size & 0xFFFFFF; | |
465 | ||
466 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); | |
467 | func_cap->srq_quota = size & 0xFFFFFF; | |
468 | ||
469 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); | |
470 | func_cap->cq_quota = size & 0xFFFFFF; | |
471 | ||
472 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); | |
473 | func_cap->mpt_quota = size & 0xFFFFFF; | |
474 | ||
475 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); | |
476 | func_cap->mtt_quota = size & 0xFFFFFF; | |
477 | ||
478 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); | |
479 | func_cap->mcg_quota = size & 0xFFFFFF; | |
5cc914f1 | 480 | |
eb456a68 JM |
481 | } else { |
482 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); | |
483 | func_cap->qp_quota = size & 0xFFFFFF; | |
5cc914f1 | 484 | |
eb456a68 JM |
485 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); |
486 | func_cap->srq_quota = size & 0xFFFFFF; | |
5cc914f1 | 487 | |
eb456a68 JM |
488 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); |
489 | func_cap->cq_quota = size & 0xFFFFFF; | |
490 | ||
491 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); | |
492 | func_cap->mpt_quota = size & 0xFFFFFF; | |
493 | ||
494 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); | |
495 | func_cap->mtt_quota = size & 0xFFFFFF; | |
496 | ||
497 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); | |
498 | func_cap->mcg_quota = size & 0xFFFFFF; | |
499 | } | |
47605df9 JM |
500 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); |
501 | func_cap->max_eq = size & 0xFFFFFF; | |
5cc914f1 | 502 | |
47605df9 JM |
503 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); |
504 | func_cap->reserved_eq = size & 0xFFFFFF; | |
5cc914f1 | 505 | |
ddae0349 EE |
506 | func_cap->extra_flags = 0; |
507 | ||
508 | /* Mailbox data from 0x6c and onward should only be treated if | |
509 | * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags | |
510 | */ | |
511 | if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) { | |
512 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); | |
513 | if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG) | |
514 | func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP; | |
d57febe1 MB |
515 | if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG) |
516 | func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP; | |
ddae0349 EE |
517 | } |
518 | ||
47605df9 JM |
519 | goto out; |
520 | } | |
5cc914f1 | 521 | |
47605df9 JM |
522 | /* logical port query */ |
523 | if (gen_or_port > dev->caps.num_ports) { | |
524 | err = -EINVAL; | |
525 | goto out; | |
526 | } | |
5cc914f1 | 527 | |
eb17711b | 528 | MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); |
47605df9 | 529 | if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { |
bc82878b | 530 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { |
47605df9 JM |
531 | mlx4_err(dev, "VLAN is enforced on this port\n"); |
532 | err = -EPROTONOSUPPORT; | |
5cc914f1 | 533 | goto out; |
47605df9 | 534 | } |
5cc914f1 | 535 | |
eb17711b | 536 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) { |
47605df9 JM |
537 | mlx4_err(dev, "Force mac is enabled on this port\n"); |
538 | err = -EPROTONOSUPPORT; | |
539 | goto out; | |
5cc914f1 | 540 | } |
47605df9 | 541 | } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) { |
73e74ab4 HHZ |
542 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); |
543 | if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) { | |
1a91de28 | 544 | mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n"); |
47605df9 JM |
545 | err = -EPROTONOSUPPORT; |
546 | goto out; | |
547 | } | |
548 | } | |
5cc914f1 | 549 | |
47605df9 JM |
550 | MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); |
551 | func_cap->physical_port = field; | |
552 | if (func_cap->physical_port != gen_or_port) { | |
553 | err = -ENOSYS; | |
554 | goto out; | |
5cc914f1 MA |
555 | } |
556 | ||
99ec41d0 JM |
557 | if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) { |
558 | MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); | |
559 | func_cap->qp0_qkey = qkey; | |
560 | } else { | |
561 | func_cap->qp0_qkey = 0; | |
562 | } | |
563 | ||
47605df9 JM |
564 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); |
565 | func_cap->qp0_tunnel_qpn = size & 0xFFFFFF; | |
566 | ||
567 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); | |
568 | func_cap->qp0_proxy_qpn = size & 0xFFFFFF; | |
569 | ||
570 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); | |
571 | func_cap->qp1_tunnel_qpn = size & 0xFFFFFF; | |
572 | ||
573 | MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); | |
574 | func_cap->qp1_proxy_qpn = size & 0xFFFFFF; | |
575 | ||
8e1a28e8 HHZ |
576 | if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO) |
577 | MLX4_GET(func_cap->phys_port_id, outbox, | |
578 | QUERY_FUNC_CAP_PHYS_PORT_ID); | |
579 | ||
5cc914f1 MA |
580 | /* All other resources are allocated by the master, but we still report |
581 | * 'num' and 'reserved' capabilities as follows: | |
582 | * - num remains the maximum resource index | |
583 | * - 'num - reserved' is the total available objects of a resource, but | |
584 | * resource indices may be less than 'reserved' | |
585 | * TODO: set per-resource quotas */ | |
586 | ||
587 | out: | |
588 | mlx4_free_cmd_mailbox(dev, mailbox); | |
589 | ||
590 | return err; | |
591 | } | |
592 | ||
225c7b1f RD |
593 | int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
594 | { | |
595 | struct mlx4_cmd_mailbox *mailbox; | |
596 | u32 *outbox; | |
597 | u8 field; | |
ccf86321 | 598 | u32 field32, flags, ext_flags; |
225c7b1f RD |
599 | u16 size; |
600 | u16 stat_rate; | |
601 | int err; | |
5ae2a7a8 | 602 | int i; |
225c7b1f RD |
603 | |
604 | #define QUERY_DEV_CAP_OUT_SIZE 0x100 | |
605 | #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 | |
606 | #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 | |
607 | #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 | |
608 | #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 | |
609 | #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 | |
610 | #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 | |
611 | #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 | |
612 | #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 | |
613 | #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 | |
614 | #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a | |
615 | #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b | |
616 | #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d | |
617 | #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e | |
618 | #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f | |
619 | #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 | |
620 | #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 | |
621 | #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 | |
622 | #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 | |
7ae0e400 | 623 | #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26 |
225c7b1f RD |
624 | #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 |
625 | #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 | |
626 | #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b | |
b832be1e | 627 | #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d |
b3416f44 | 628 | #define QUERY_DEV_CAP_RSS_OFFSET 0x2e |
225c7b1f RD |
629 | #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f |
630 | #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 | |
631 | #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 | |
632 | #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 | |
633 | #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 | |
149983af | 634 | #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 |
225c7b1f RD |
635 | #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b |
636 | #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c | |
d998735f | 637 | #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e |
225c7b1f | 638 | #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f |
ccf86321 | 639 | #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 |
225c7b1f RD |
640 | #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 |
641 | #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 | |
642 | #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 | |
643 | #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b | |
644 | #define QUERY_DEV_CAP_BF_OFFSET 0x4c | |
645 | #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d | |
646 | #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e | |
647 | #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f | |
648 | #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 | |
649 | #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 | |
650 | #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 | |
651 | #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 | |
652 | #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 | |
653 | #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 | |
654 | #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 | |
655 | #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 | |
656 | #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 | |
012a8ff5 SH |
657 | #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 |
658 | #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 | |
f2a3f6a3 | 659 | #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 |
3f7fb021 | 660 | #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70 |
4de65803 | 661 | #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74 |
0ff1fb65 HHZ |
662 | #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 |
663 | #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 | |
77507aa2 | 664 | #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a |
adbc7ac5 | 665 | #define QUERY_DEV_CAP_ETH_PROT_CTRL_OFFSET 0x7a |
225c7b1f RD |
666 | #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 |
667 | #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 | |
668 | #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 | |
669 | #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 | |
670 | #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 | |
671 | #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a | |
672 | #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c | |
673 | #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e | |
674 | #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 | |
675 | #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 | |
95d04f07 | 676 | #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 |
d475c95b | 677 | #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 |
225c7b1f RD |
678 | #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 |
679 | #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 | |
a53e3e8c | 680 | #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c |
955154fa | 681 | #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d |
7ffdf726 | 682 | #define QUERY_DEV_CAP_VXLAN 0x9e |
114840c3 | 683 | #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 |
7d077cd3 MB |
684 | #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8 |
685 | #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac | |
225c7b1f | 686 | |
b3416f44 | 687 | dev_cap->flags2 = 0; |
225c7b1f RD |
688 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
689 | if (IS_ERR(mailbox)) | |
690 | return PTR_ERR(mailbox); | |
691 | outbox = mailbox->buf; | |
692 | ||
693 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, | |
401453a3 | 694 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
695 | if (err) |
696 | goto out; | |
697 | ||
698 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); | |
699 | dev_cap->reserved_qps = 1 << (field & 0xf); | |
700 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); | |
701 | dev_cap->max_qps = 1 << (field & 0x1f); | |
702 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); | |
703 | dev_cap->reserved_srqs = 1 << (field >> 4); | |
704 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); | |
705 | dev_cap->max_srqs = 1 << (field & 0x1f); | |
706 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); | |
707 | dev_cap->max_cq_sz = 1 << field; | |
708 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); | |
709 | dev_cap->reserved_cqs = 1 << (field & 0xf); | |
710 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); | |
711 | dev_cap->max_cqs = 1 << (field & 0x1f); | |
712 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); | |
713 | dev_cap->max_mpts = 1 << (field & 0x3f); | |
714 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); | |
7c68dd43 | 715 | dev_cap->reserved_eqs = 1 << (field & 0xf); |
225c7b1f | 716 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); |
5920869f | 717 | dev_cap->max_eqs = 1 << (field & 0xf); |
225c7b1f RD |
718 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); |
719 | dev_cap->reserved_mtts = 1 << (field >> 4); | |
720 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); | |
721 | dev_cap->max_mrw_sz = 1 << field; | |
722 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); | |
723 | dev_cap->reserved_mrws = 1 << (field & 0xf); | |
724 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); | |
725 | dev_cap->max_mtt_seg = 1 << (field & 0x3f); | |
7ae0e400 MB |
726 | MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET); |
727 | dev_cap->num_sys_eqs = size & 0xfff; | |
225c7b1f RD |
728 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); |
729 | dev_cap->max_requester_per_qp = 1 << (field & 0x3f); | |
730 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); | |
731 | dev_cap->max_responder_per_qp = 1 << (field & 0x3f); | |
b832be1e EC |
732 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); |
733 | field &= 0x1f; | |
734 | if (!field) | |
735 | dev_cap->max_gso_sz = 0; | |
736 | else | |
737 | dev_cap->max_gso_sz = 1 << field; | |
738 | ||
b3416f44 SP |
739 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET); |
740 | if (field & 0x20) | |
741 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR; | |
742 | if (field & 0x10) | |
743 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP; | |
744 | field &= 0xf; | |
745 | if (field) { | |
746 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS; | |
747 | dev_cap->max_rss_tbl_sz = 1 << field; | |
748 | } else | |
749 | dev_cap->max_rss_tbl_sz = 0; | |
225c7b1f RD |
750 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); |
751 | dev_cap->max_rdma_global = 1 << (field & 0x3f); | |
752 | MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); | |
753 | dev_cap->local_ca_ack_delay = field & 0x1f; | |
225c7b1f | 754 | MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); |
225c7b1f | 755 | dev_cap->num_ports = field & 0xf; |
149983af DB |
756 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); |
757 | dev_cap->max_msg_sz = 1 << (field & 0x1f); | |
0ff1fb65 HHZ |
758 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); |
759 | if (field & 0x80) | |
760 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; | |
761 | dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; | |
4de65803 MB |
762 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); |
763 | if (field & 0x80) | |
764 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB; | |
0ff1fb65 HHZ |
765 | MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); |
766 | dev_cap->fs_max_num_qp_per_entry = field; | |
225c7b1f RD |
767 | MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); |
768 | dev_cap->stat_rate_support = stat_rate; | |
d998735f EE |
769 | MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); |
770 | if (field & 0x80) | |
771 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS; | |
ccf86321 | 772 | MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
52eafc68 | 773 | MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); |
ccf86321 | 774 | dev_cap->flags = flags | (u64)ext_flags << 32; |
225c7b1f RD |
775 | MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); |
776 | dev_cap->reserved_uars = field >> 4; | |
777 | MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); | |
778 | dev_cap->uar_size = 1 << ((field & 0x3f) + 20); | |
779 | MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); | |
780 | dev_cap->min_page_sz = 1 << field; | |
781 | ||
782 | MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); | |
783 | if (field & 0x80) { | |
784 | MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); | |
785 | dev_cap->bf_reg_size = 1 << (field & 0x1f); | |
786 | MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); | |
f5a49539 | 787 | if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) |
58d74bb1 | 788 | field = 3; |
225c7b1f | 789 | dev_cap->bf_regs_per_page = 1 << (field & 0x3f); |
225c7b1f RD |
790 | } else { |
791 | dev_cap->bf_reg_size = 0; | |
225c7b1f RD |
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 | ||
7d077cd3 MB |
879 | MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox, |
880 | QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET); | |
881 | dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK; | |
882 | MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox, | |
883 | QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET); | |
884 | dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK; | |
885 | ||
3f7fb021 | 886 | MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); |
b01978ca JM |
887 | if (field32 & (1 << 16)) |
888 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; | |
3f7fb021 RE |
889 | if (field32 & (1 << 26)) |
890 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL; | |
e6b6a231 RE |
891 | if (field32 & (1 << 20)) |
892 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM; | |
de966c59 MB |
893 | if (field32 & (1 << 21)) |
894 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS; | |
3f7fb021 | 895 | |
431df8c7 MB |
896 | for (i = 1; i <= dev_cap->num_ports; i++) { |
897 | err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i); | |
898 | if (err) | |
899 | goto out; | |
5ae2a7a8 RD |
900 | } |
901 | ||
225c7b1f RD |
902 | /* |
903 | * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then | |
904 | * we can't use any EQs whose doorbell falls on that page, | |
905 | * even if the EQ itself isn't reserved. | |
906 | */ | |
7ae0e400 MB |
907 | if (dev_cap->num_sys_eqs == 0) |
908 | dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, | |
909 | dev_cap->reserved_eqs); | |
910 | else | |
911 | dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS; | |
225c7b1f | 912 | |
c78e25ed OG |
913 | out: |
914 | mlx4_free_cmd_mailbox(dev, mailbox); | |
915 | return err; | |
916 | } | |
917 | ||
918 | void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) | |
919 | { | |
920 | if (dev_cap->bf_reg_size > 0) | |
921 | mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", | |
922 | dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); | |
923 | else | |
924 | mlx4_dbg(dev, "BlueFlame not available\n"); | |
925 | ||
926 | mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", | |
927 | dev_cap->bmme_flags, dev_cap->reserved_lkey); | |
225c7b1f RD |
928 | mlx4_dbg(dev, "Max ICM size %lld MB\n", |
929 | (unsigned long long) dev_cap->max_icm_sz >> 20); | |
930 | mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", | |
931 | dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); | |
932 | mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", | |
933 | dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); | |
934 | mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", | |
935 | dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); | |
7ae0e400 MB |
936 | mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n", |
937 | dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs, | |
938 | dev_cap->eqc_entry_sz); | |
225c7b1f RD |
939 | mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", |
940 | dev_cap->reserved_mrws, dev_cap->reserved_mtts); | |
941 | mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", | |
942 | dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); | |
943 | mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", | |
944 | dev_cap->max_pds, dev_cap->reserved_mgms); | |
945 | mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", | |
946 | dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); | |
947 | mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", | |
431df8c7 MB |
948 | dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu, |
949 | dev_cap->port_cap[1].max_port_width); | |
225c7b1f RD |
950 | mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", |
951 | dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); | |
952 | mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", | |
953 | dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); | |
b832be1e | 954 | mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); |
f2a3f6a3 | 955 | mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); |
b3416f44 | 956 | mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz); |
7d077cd3 MB |
957 | mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n", |
958 | dev_cap->dmfs_high_rate_qpn_base); | |
959 | mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n", | |
960 | dev_cap->dmfs_high_rate_qpn_range); | |
225c7b1f | 961 | dump_dev_cap_flags(dev, dev_cap->flags); |
b3416f44 | 962 | dump_dev_cap_flags2(dev, dev_cap->flags2); |
225c7b1f RD |
963 | } |
964 | ||
431df8c7 MB |
965 | int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap) |
966 | { | |
967 | struct mlx4_cmd_mailbox *mailbox; | |
968 | u32 *outbox; | |
969 | u8 field; | |
970 | u32 field32; | |
971 | int err; | |
972 | ||
973 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
974 | if (IS_ERR(mailbox)) | |
975 | return PTR_ERR(mailbox); | |
976 | outbox = mailbox->buf; | |
977 | ||
978 | if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { | |
979 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, | |
980 | MLX4_CMD_TIME_CLASS_A, | |
981 | MLX4_CMD_NATIVE); | |
982 | ||
983 | if (err) | |
984 | goto out; | |
985 | ||
986 | MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); | |
987 | port_cap->max_vl = field >> 4; | |
988 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); | |
989 | port_cap->ib_mtu = field >> 4; | |
990 | port_cap->max_port_width = field & 0xf; | |
991 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); | |
992 | port_cap->max_gids = 1 << (field & 0xf); | |
993 | MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); | |
994 | port_cap->max_pkeys = 1 << (field & 0xf); | |
995 | } else { | |
996 | #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 | |
997 | #define QUERY_PORT_MTU_OFFSET 0x01 | |
998 | #define QUERY_PORT_ETH_MTU_OFFSET 0x02 | |
999 | #define QUERY_PORT_WIDTH_OFFSET 0x06 | |
1000 | #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 | |
1001 | #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a | |
1002 | #define QUERY_PORT_MAX_VL_OFFSET 0x0b | |
1003 | #define QUERY_PORT_MAC_OFFSET 0x10 | |
1004 | #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 | |
1005 | #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c | |
1006 | #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 | |
1007 | ||
1008 | err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, | |
1009 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
1010 | if (err) | |
1011 | goto out; | |
1012 | ||
1013 | MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); | |
1014 | port_cap->supported_port_types = field & 3; | |
1015 | port_cap->suggested_type = (field >> 3) & 1; | |
1016 | port_cap->default_sense = (field >> 4) & 1; | |
7d077cd3 | 1017 | port_cap->dmfs_optimized_state = (field >> 5) & 1; |
431df8c7 MB |
1018 | MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); |
1019 | port_cap->ib_mtu = field & 0xf; | |
1020 | MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); | |
1021 | port_cap->max_port_width = field & 0xf; | |
1022 | MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); | |
1023 | port_cap->max_gids = 1 << (field >> 4); | |
1024 | port_cap->max_pkeys = 1 << (field & 0xf); | |
1025 | MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); | |
1026 | port_cap->max_vl = field & 0xf; | |
1027 | MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); | |
1028 | port_cap->log_max_macs = field & 0xf; | |
1029 | port_cap->log_max_vlans = field >> 4; | |
1030 | MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET); | |
1031 | MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET); | |
1032 | MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); | |
1033 | port_cap->trans_type = field32 >> 24; | |
1034 | port_cap->vendor_oui = field32 & 0xffffff; | |
1035 | MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET); | |
1036 | MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET); | |
1037 | } | |
1038 | ||
1039 | out: | |
1040 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1041 | return err; | |
1042 | } | |
1043 | ||
383677da OG |
1044 | #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26) |
1045 | #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21) | |
1046 | #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20) | |
1047 | ||
b91cb3eb JM |
1048 | int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, |
1049 | struct mlx4_vhcr *vhcr, | |
1050 | struct mlx4_cmd_mailbox *inbox, | |
1051 | struct mlx4_cmd_mailbox *outbox, | |
1052 | struct mlx4_cmd_info *cmd) | |
1053 | { | |
2a4fae14 | 1054 | u64 flags; |
b91cb3eb JM |
1055 | int err = 0; |
1056 | u8 field; | |
383677da | 1057 | u32 bmme_flags, field32; |
449fc488 MB |
1058 | int real_port; |
1059 | int slave_port; | |
1060 | int first_port; | |
1061 | struct mlx4_active_ports actv_ports; | |
b91cb3eb JM |
1062 | |
1063 | err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, | |
1064 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1065 | if (err) | |
1066 | return err; | |
1067 | ||
cc1ade94 SM |
1068 | /* add port mng change event capability and disable mw type 1 |
1069 | * unconditionally to slaves | |
1070 | */ | |
2a4fae14 JM |
1071 | MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
1072 | flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV; | |
cc1ade94 | 1073 | flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW; |
449fc488 MB |
1074 | actv_ports = mlx4_get_active_ports(dev, slave); |
1075 | first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); | |
1076 | for (slave_port = 0, real_port = first_port; | |
1077 | real_port < first_port + | |
1078 | bitmap_weight(actv_ports.ports, dev->caps.num_ports); | |
1079 | ++real_port, ++slave_port) { | |
1080 | if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port)) | |
1081 | flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port; | |
1082 | else | |
1083 | flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); | |
1084 | } | |
1085 | for (; slave_port < dev->caps.num_ports; ++slave_port) | |
1086 | flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); | |
2a4fae14 JM |
1087 | MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); |
1088 | ||
449fc488 MB |
1089 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET); |
1090 | field &= ~0x0F; | |
1091 | field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F; | |
1092 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET); | |
1093 | ||
30b40c31 AV |
1094 | /* For guests, disable timestamp */ |
1095 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); | |
1096 | field &= 0x7f; | |
1097 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); | |
1098 | ||
7ffdf726 | 1099 | /* For guests, disable vxlan tunneling */ |
57352ef4 | 1100 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN); |
7ffdf726 OG |
1101 | field &= 0xf7; |
1102 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN); | |
1103 | ||
b91cb3eb JM |
1104 | /* For guests, report Blueflame disabled */ |
1105 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET); | |
1106 | field &= 0x7f; | |
1107 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); | |
1108 | ||
cc1ade94 | 1109 | /* For guests, disable mw type 2 */ |
57352ef4 | 1110 | MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); |
cc1ade94 SM |
1111 | bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; |
1112 | MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); | |
1113 | ||
0081c8f3 JM |
1114 | /* turn off device-managed steering capability if not enabled */ |
1115 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1116 | MLX4_GET(field, outbox->buf, | |
1117 | QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); | |
1118 | field &= 0x7f; | |
1119 | MLX4_PUT(outbox->buf, field, | |
1120 | QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); | |
1121 | } | |
4de65803 MB |
1122 | |
1123 | /* turn off ipoib managed steering for guests */ | |
57352ef4 | 1124 | MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); |
4de65803 MB |
1125 | field &= ~0x80; |
1126 | MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); | |
1127 | ||
383677da OG |
1128 | /* turn off host side virt features (VST, FSM, etc) for guests */ |
1129 | MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); | |
1130 | field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS | | |
1131 | DEV_CAP_EXT_2_FLAG_FSM); | |
1132 | MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); | |
1133 | ||
b91cb3eb JM |
1134 | return 0; |
1135 | } | |
1136 | ||
5cc914f1 MA |
1137 | int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1138 | struct mlx4_vhcr *vhcr, | |
1139 | struct mlx4_cmd_mailbox *inbox, | |
1140 | struct mlx4_cmd_mailbox *outbox, | |
1141 | struct mlx4_cmd_info *cmd) | |
1142 | { | |
0eb62b93 | 1143 | struct mlx4_priv *priv = mlx4_priv(dev); |
5cc914f1 MA |
1144 | u64 def_mac; |
1145 | u8 port_type; | |
6634961c | 1146 | u16 short_field; |
5cc914f1 | 1147 | int err; |
948e306d | 1148 | int admin_link_state; |
449fc488 MB |
1149 | int port = mlx4_slave_convert_port(dev, slave, |
1150 | vhcr->in_modifier & 0xFF); | |
5cc914f1 | 1151 | |
105c320f | 1152 | #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0 |
948e306d | 1153 | #define MLX4_PORT_LINK_UP_MASK 0x80 |
6634961c JM |
1154 | #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c |
1155 | #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e | |
95f56e7a | 1156 | |
449fc488 MB |
1157 | if (port < 0) |
1158 | return -EINVAL; | |
1159 | ||
a7401b9c JM |
1160 | /* Protect against untrusted guests: enforce that this is the |
1161 | * QUERY_PORT general query. | |
1162 | */ | |
1163 | if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF) | |
1164 | return -EINVAL; | |
1165 | ||
1166 | vhcr->in_modifier = port; | |
449fc488 | 1167 | |
5cc914f1 MA |
1168 | err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, |
1169 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
1170 | MLX4_CMD_NATIVE); | |
1171 | ||
1172 | if (!err && dev->caps.function != slave) { | |
0508ad64 | 1173 | def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; |
5cc914f1 MA |
1174 | MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); |
1175 | ||
1176 | /* get port type - currently only eth is enabled */ | |
1177 | MLX4_GET(port_type, outbox->buf, | |
1178 | QUERY_PORT_SUPPORTED_TYPE_OFFSET); | |
1179 | ||
105c320f JM |
1180 | /* No link sensing allowed */ |
1181 | port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK; | |
1182 | /* set port type to currently operating port type */ | |
1183 | port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3); | |
5cc914f1 | 1184 | |
948e306d RE |
1185 | admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state; |
1186 | if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state) | |
1187 | port_type |= MLX4_PORT_LINK_UP_MASK; | |
1188 | else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state) | |
1189 | port_type &= ~MLX4_PORT_LINK_UP_MASK; | |
1190 | ||
5cc914f1 MA |
1191 | MLX4_PUT(outbox->buf, port_type, |
1192 | QUERY_PORT_SUPPORTED_TYPE_OFFSET); | |
6634961c | 1193 | |
b6ffaeff | 1194 | if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH) |
449fc488 | 1195 | short_field = mlx4_get_slave_num_gids(dev, slave, port); |
b6ffaeff JM |
1196 | else |
1197 | short_field = 1; /* slave max gids */ | |
6634961c JM |
1198 | MLX4_PUT(outbox->buf, short_field, |
1199 | QUERY_PORT_CUR_MAX_GID_OFFSET); | |
1200 | ||
1201 | short_field = dev->caps.pkey_table_len[vhcr->in_modifier]; | |
1202 | MLX4_PUT(outbox->buf, short_field, | |
1203 | QUERY_PORT_CUR_MAX_PKEY_OFFSET); | |
5cc914f1 MA |
1204 | } |
1205 | ||
1206 | return err; | |
1207 | } | |
1208 | ||
6634961c JM |
1209 | int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, |
1210 | int *gid_tbl_len, int *pkey_tbl_len) | |
1211 | { | |
1212 | struct mlx4_cmd_mailbox *mailbox; | |
1213 | u32 *outbox; | |
1214 | u16 field; | |
1215 | int err; | |
1216 | ||
1217 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1218 | if (IS_ERR(mailbox)) | |
1219 | return PTR_ERR(mailbox); | |
1220 | ||
1221 | err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, | |
1222 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, | |
1223 | MLX4_CMD_WRAPPED); | |
1224 | if (err) | |
1225 | goto out; | |
1226 | ||
1227 | outbox = mailbox->buf; | |
1228 | ||
1229 | MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET); | |
1230 | *gid_tbl_len = field; | |
1231 | ||
1232 | MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET); | |
1233 | *pkey_tbl_len = field; | |
1234 | ||
1235 | out: | |
1236 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1237 | return err; | |
1238 | } | |
1239 | EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len); | |
1240 | ||
225c7b1f RD |
1241 | int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) |
1242 | { | |
1243 | struct mlx4_cmd_mailbox *mailbox; | |
1244 | struct mlx4_icm_iter iter; | |
1245 | __be64 *pages; | |
1246 | int lg; | |
1247 | int nent = 0; | |
1248 | int i; | |
1249 | int err = 0; | |
1250 | int ts = 0, tc = 0; | |
1251 | ||
1252 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1253 | if (IS_ERR(mailbox)) | |
1254 | return PTR_ERR(mailbox); | |
225c7b1f RD |
1255 | pages = mailbox->buf; |
1256 | ||
1257 | for (mlx4_icm_first(icm, &iter); | |
1258 | !mlx4_icm_last(&iter); | |
1259 | mlx4_icm_next(&iter)) { | |
1260 | /* | |
1261 | * We have to pass pages that are aligned to their | |
1262 | * size, so find the least significant 1 in the | |
1263 | * address or size and use that as our log2 size. | |
1264 | */ | |
1265 | lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; | |
1266 | if (lg < MLX4_ICM_PAGE_SHIFT) { | |
1a91de28 JP |
1267 | mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n", |
1268 | MLX4_ICM_PAGE_SIZE, | |
1269 | (unsigned long long) mlx4_icm_addr(&iter), | |
1270 | mlx4_icm_size(&iter)); | |
225c7b1f RD |
1271 | err = -EINVAL; |
1272 | goto out; | |
1273 | } | |
1274 | ||
1275 | for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { | |
1276 | if (virt != -1) { | |
1277 | pages[nent * 2] = cpu_to_be64(virt); | |
1278 | virt += 1 << lg; | |
1279 | } | |
1280 | ||
1281 | pages[nent * 2 + 1] = | |
1282 | cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | | |
1283 | (lg - MLX4_ICM_PAGE_SHIFT)); | |
1284 | ts += 1 << (lg - 10); | |
1285 | ++tc; | |
1286 | ||
1287 | if (++nent == MLX4_MAILBOX_SIZE / 16) { | |
1288 | err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, | |
f9baff50 JM |
1289 | MLX4_CMD_TIME_CLASS_B, |
1290 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
1291 | if (err) |
1292 | goto out; | |
1293 | nent = 0; | |
1294 | } | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | if (nent) | |
f9baff50 JM |
1299 | err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, |
1300 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1301 | if (err) |
1302 | goto out; | |
1303 | ||
1304 | switch (op) { | |
1305 | case MLX4_CMD_MAP_FA: | |
1a91de28 | 1306 | mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts); |
225c7b1f RD |
1307 | break; |
1308 | case MLX4_CMD_MAP_ICM_AUX: | |
1a91de28 | 1309 | mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts); |
225c7b1f RD |
1310 | break; |
1311 | case MLX4_CMD_MAP_ICM: | |
1a91de28 JP |
1312 | mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n", |
1313 | tc, ts, (unsigned long long) virt - (ts << 10)); | |
225c7b1f RD |
1314 | break; |
1315 | } | |
1316 | ||
1317 | out: | |
1318 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1319 | return err; | |
1320 | } | |
1321 | ||
1322 | int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) | |
1323 | { | |
1324 | return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); | |
1325 | } | |
1326 | ||
1327 | int mlx4_UNMAP_FA(struct mlx4_dev *dev) | |
1328 | { | |
f9baff50 JM |
1329 | return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, |
1330 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1331 | } |
1332 | ||
1333 | ||
1334 | int mlx4_RUN_FW(struct mlx4_dev *dev) | |
1335 | { | |
f9baff50 JM |
1336 | return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, |
1337 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
225c7b1f RD |
1338 | } |
1339 | ||
1340 | int mlx4_QUERY_FW(struct mlx4_dev *dev) | |
1341 | { | |
1342 | struct mlx4_fw *fw = &mlx4_priv(dev)->fw; | |
1343 | struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; | |
1344 | struct mlx4_cmd_mailbox *mailbox; | |
1345 | u32 *outbox; | |
1346 | int err = 0; | |
1347 | u64 fw_ver; | |
fe40900f | 1348 | u16 cmd_if_rev; |
225c7b1f RD |
1349 | u8 lg; |
1350 | ||
1351 | #define QUERY_FW_OUT_SIZE 0x100 | |
1352 | #define QUERY_FW_VER_OFFSET 0x00 | |
5cc914f1 | 1353 | #define QUERY_FW_PPF_ID 0x09 |
fe40900f | 1354 | #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a |
225c7b1f RD |
1355 | #define QUERY_FW_MAX_CMD_OFFSET 0x0f |
1356 | #define QUERY_FW_ERR_START_OFFSET 0x30 | |
1357 | #define QUERY_FW_ERR_SIZE_OFFSET 0x38 | |
1358 | #define QUERY_FW_ERR_BAR_OFFSET 0x3c | |
1359 | ||
1360 | #define QUERY_FW_SIZE_OFFSET 0x00 | |
1361 | #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 | |
1362 | #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 | |
1363 | ||
5cc914f1 MA |
1364 | #define QUERY_FW_COMM_BASE_OFFSET 0x40 |
1365 | #define QUERY_FW_COMM_BAR_OFFSET 0x48 | |
1366 | ||
ddd8a6c1 EE |
1367 | #define QUERY_FW_CLOCK_OFFSET 0x50 |
1368 | #define QUERY_FW_CLOCK_BAR 0x58 | |
1369 | ||
225c7b1f RD |
1370 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1371 | if (IS_ERR(mailbox)) | |
1372 | return PTR_ERR(mailbox); | |
1373 | outbox = mailbox->buf; | |
1374 | ||
1375 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, | |
f9baff50 | 1376 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
1377 | if (err) |
1378 | goto out; | |
1379 | ||
1380 | MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); | |
1381 | /* | |
3e1db334 | 1382 | * FW subminor version is at more significant bits than minor |
225c7b1f RD |
1383 | * version, so swap here. |
1384 | */ | |
1385 | dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | | |
1386 | ((fw_ver & 0xffff0000ull) >> 16) | | |
1387 | ((fw_ver & 0x0000ffffull) << 16); | |
1388 | ||
752a50ca JM |
1389 | MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); |
1390 | dev->caps.function = lg; | |
1391 | ||
b91cb3eb JM |
1392 | if (mlx4_is_slave(dev)) |
1393 | goto out; | |
1394 | ||
5cc914f1 | 1395 | |
fe40900f | 1396 | MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); |
5ae2a7a8 RD |
1397 | if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || |
1398 | cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { | |
1a91de28 | 1399 | mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n", |
fe40900f RD |
1400 | cmd_if_rev); |
1401 | mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", | |
1402 | (int) (dev->caps.fw_ver >> 32), | |
1403 | (int) (dev->caps.fw_ver >> 16) & 0xffff, | |
1404 | (int) dev->caps.fw_ver & 0xffff); | |
1a91de28 | 1405 | mlx4_err(dev, "This driver version supports only revisions %d to %d\n", |
5ae2a7a8 | 1406 | MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); |
fe40900f RD |
1407 | err = -ENODEV; |
1408 | goto out; | |
1409 | } | |
1410 | ||
5ae2a7a8 RD |
1411 | if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) |
1412 | dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; | |
1413 | ||
225c7b1f RD |
1414 | MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); |
1415 | cmd->max_cmds = 1 << lg; | |
1416 | ||
fe40900f | 1417 | mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", |
225c7b1f RD |
1418 | (int) (dev->caps.fw_ver >> 32), |
1419 | (int) (dev->caps.fw_ver >> 16) & 0xffff, | |
1420 | (int) dev->caps.fw_ver & 0xffff, | |
fe40900f | 1421 | cmd_if_rev, cmd->max_cmds); |
225c7b1f RD |
1422 | |
1423 | MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); | |
1424 | MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); | |
1425 | MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); | |
1426 | fw->catas_bar = (fw->catas_bar >> 6) * 2; | |
1427 | ||
1428 | mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", | |
1429 | (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); | |
1430 | ||
1431 | MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); | |
1432 | MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); | |
1433 | MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); | |
1434 | fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; | |
1435 | ||
5cc914f1 MA |
1436 | MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); |
1437 | MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); | |
1438 | fw->comm_bar = (fw->comm_bar >> 6) * 2; | |
1439 | mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", | |
1440 | fw->comm_bar, fw->comm_base); | |
225c7b1f RD |
1441 | mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); |
1442 | ||
ddd8a6c1 EE |
1443 | MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); |
1444 | MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); | |
1445 | fw->clock_bar = (fw->clock_bar >> 6) * 2; | |
1446 | mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", | |
1447 | fw->clock_bar, fw->clock_offset); | |
1448 | ||
225c7b1f RD |
1449 | /* |
1450 | * Round up number of system pages needed in case | |
1451 | * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. | |
1452 | */ | |
1453 | fw->fw_pages = | |
1454 | ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> | |
1455 | (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); | |
1456 | ||
1457 | mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", | |
1458 | (unsigned long long) fw->clr_int_base, fw->clr_int_bar); | |
1459 | ||
1460 | out: | |
1461 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1462 | return err; | |
1463 | } | |
1464 | ||
b91cb3eb JM |
1465 | int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, |
1466 | struct mlx4_vhcr *vhcr, | |
1467 | struct mlx4_cmd_mailbox *inbox, | |
1468 | struct mlx4_cmd_mailbox *outbox, | |
1469 | struct mlx4_cmd_info *cmd) | |
1470 | { | |
1471 | u8 *outbuf; | |
1472 | int err; | |
1473 | ||
1474 | outbuf = outbox->buf; | |
1475 | err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW, | |
1476 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1477 | if (err) | |
1478 | return err; | |
1479 | ||
752a50ca JM |
1480 | /* for slaves, set pci PPF ID to invalid and zero out everything |
1481 | * else except FW version */ | |
b91cb3eb JM |
1482 | outbuf[0] = outbuf[1] = 0; |
1483 | memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8); | |
752a50ca JM |
1484 | outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID; |
1485 | ||
b91cb3eb JM |
1486 | return 0; |
1487 | } | |
1488 | ||
225c7b1f RD |
1489 | static void get_board_id(void *vsd, char *board_id) |
1490 | { | |
1491 | int i; | |
1492 | ||
1493 | #define VSD_OFFSET_SIG1 0x00 | |
1494 | #define VSD_OFFSET_SIG2 0xde | |
1495 | #define VSD_OFFSET_MLX_BOARD_ID 0xd0 | |
1496 | #define VSD_OFFSET_TS_BOARD_ID 0x20 | |
1497 | ||
1498 | #define VSD_SIGNATURE_TOPSPIN 0x5ad | |
1499 | ||
1500 | memset(board_id, 0, MLX4_BOARD_ID_LEN); | |
1501 | ||
1502 | if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && | |
1503 | be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { | |
1504 | strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); | |
1505 | } else { | |
1506 | /* | |
1507 | * The board ID is a string but the firmware byte | |
1508 | * swaps each 4-byte word before passing it back to | |
1509 | * us. Therefore we need to swab it before printing. | |
1510 | */ | |
1511 | for (i = 0; i < 4; ++i) | |
1512 | ((u32 *) board_id)[i] = | |
1513 | swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); | |
1514 | } | |
1515 | } | |
1516 | ||
1517 | int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) | |
1518 | { | |
1519 | struct mlx4_cmd_mailbox *mailbox; | |
1520 | u32 *outbox; | |
1521 | int err; | |
1522 | ||
1523 | #define QUERY_ADAPTER_OUT_SIZE 0x100 | |
225c7b1f RD |
1524 | #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 |
1525 | #define QUERY_ADAPTER_VSD_OFFSET 0x20 | |
1526 | ||
1527 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1528 | if (IS_ERR(mailbox)) | |
1529 | return PTR_ERR(mailbox); | |
1530 | outbox = mailbox->buf; | |
1531 | ||
1532 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, | |
f9baff50 | 1533 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
1534 | if (err) |
1535 | goto out; | |
1536 | ||
225c7b1f RD |
1537 | MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); |
1538 | ||
1539 | get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, | |
1540 | adapter->board_id); | |
1541 | ||
1542 | out: | |
1543 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1544 | return err; | |
1545 | } | |
1546 | ||
1547 | int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) | |
1548 | { | |
1549 | struct mlx4_cmd_mailbox *mailbox; | |
1550 | __be32 *inbox; | |
1551 | int err; | |
7d077cd3 MB |
1552 | static const u8 a0_dmfs_hw_steering[] = { |
1553 | [MLX4_STEERING_DMFS_A0_DEFAULT] = 0, | |
1554 | [MLX4_STEERING_DMFS_A0_DYNAMIC] = 1, | |
1555 | [MLX4_STEERING_DMFS_A0_STATIC] = 2, | |
1556 | [MLX4_STEERING_DMFS_A0_DISABLE] = 3 | |
1557 | }; | |
225c7b1f RD |
1558 | |
1559 | #define INIT_HCA_IN_SIZE 0x200 | |
1560 | #define INIT_HCA_VERSION_OFFSET 0x000 | |
1561 | #define INIT_HCA_VERSION 2 | |
7ffdf726 | 1562 | #define INIT_HCA_VXLAN_OFFSET 0x0c |
c57e20dc | 1563 | #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e |
225c7b1f RD |
1564 | #define INIT_HCA_FLAGS_OFFSET 0x014 |
1565 | #define INIT_HCA_QPC_OFFSET 0x020 | |
1566 | #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) | |
1567 | #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) | |
1568 | #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) | |
1569 | #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) | |
1570 | #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) | |
1571 | #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) | |
5cc914f1 | 1572 | #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) |
77507aa2 | 1573 | #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b) |
225c7b1f RD |
1574 | #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) |
1575 | #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) | |
1576 | #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) | |
1577 | #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) | |
7ae0e400 | 1578 | #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a) |
225c7b1f RD |
1579 | #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) |
1580 | #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) | |
1581 | #define INIT_HCA_MCAST_OFFSET 0x0c0 | |
1582 | #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) | |
1583 | #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) | |
1584 | #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) | |
1679200f | 1585 | #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) |
225c7b1f | 1586 | #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) |
0ff1fb65 HHZ |
1587 | #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 |
1588 | #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 | |
1589 | #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) | |
1590 | #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12) | |
7d077cd3 | 1591 | #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18) |
0ff1fb65 HHZ |
1592 | #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) |
1593 | #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) | |
1594 | #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22) | |
1595 | #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25) | |
1596 | #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26) | |
225c7b1f RD |
1597 | #define INIT_HCA_TPT_OFFSET 0x0f0 |
1598 | #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) | |
e448834e | 1599 | #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08) |
225c7b1f RD |
1600 | #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) |
1601 | #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) | |
1602 | #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) | |
1603 | #define INIT_HCA_UAR_OFFSET 0x120 | |
1604 | #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) | |
1605 | #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) | |
1606 | ||
1607 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1608 | if (IS_ERR(mailbox)) | |
1609 | return PTR_ERR(mailbox); | |
1610 | inbox = mailbox->buf; | |
1611 | ||
225c7b1f RD |
1612 | *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; |
1613 | ||
c57e20dc EC |
1614 | *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = |
1615 | (ilog2(cache_line_size()) - 4) << 5; | |
1616 | ||
225c7b1f RD |
1617 | #if defined(__LITTLE_ENDIAN) |
1618 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); | |
1619 | #elif defined(__BIG_ENDIAN) | |
1620 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); | |
1621 | #else | |
1622 | #error Host endianness not defined | |
1623 | #endif | |
1624 | /* Check port for UD address vector: */ | |
1625 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); | |
1626 | ||
8ff095ec EC |
1627 | /* Enable IPoIB checksumming if we can: */ |
1628 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) | |
1629 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); | |
1630 | ||
51f5f0ee JM |
1631 | /* Enable QoS support if module parameter set */ |
1632 | if (enable_qos) | |
1633 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); | |
1634 | ||
f2a3f6a3 OG |
1635 | /* enable counters */ |
1636 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) | |
1637 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); | |
1638 | ||
08ff3235 OG |
1639 | /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ |
1640 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) { | |
1641 | *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29); | |
1642 | dev->caps.eqe_size = 64; | |
1643 | dev->caps.eqe_factor = 1; | |
1644 | } else { | |
1645 | dev->caps.eqe_size = 32; | |
1646 | dev->caps.eqe_factor = 0; | |
1647 | } | |
1648 | ||
1649 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) { | |
1650 | *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30); | |
1651 | dev->caps.cqe_size = 64; | |
77507aa2 | 1652 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
1653 | } else { |
1654 | dev->caps.cqe_size = 32; | |
1655 | } | |
1656 | ||
77507aa2 IS |
1657 | /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ |
1658 | if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) && | |
1659 | (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) { | |
1660 | dev->caps.eqe_size = cache_line_size(); | |
1661 | dev->caps.cqe_size = cache_line_size(); | |
1662 | dev->caps.eqe_factor = 0; | |
1663 | MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 | | |
1664 | (ilog2(dev->caps.eqe_size) - 5)), | |
1665 | INIT_HCA_EQE_CQE_STRIDE_OFFSET); | |
1666 | ||
1667 | /* User still need to know to support CQE > 32B */ | |
1668 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
1669 | } | |
1670 | ||
225c7b1f RD |
1671 | /* QPC/EEC/CQC/EQC/RDMARC attributes */ |
1672 | ||
1673 | MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); | |
1674 | MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); | |
1675 | MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); | |
1676 | MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); | |
1677 | MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); | |
1678 | MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); | |
1679 | MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); | |
1680 | MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); | |
1681 | MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); | |
1682 | MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); | |
7ae0e400 | 1683 | MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET); |
225c7b1f RD |
1684 | MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); |
1685 | MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); | |
1686 | ||
0ff1fb65 HHZ |
1687 | /* steering attributes */ |
1688 | if (dev->caps.steering_mode == | |
1689 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1690 | *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= | |
1691 | cpu_to_be32(1 << | |
1692 | INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN); | |
1693 | ||
1694 | MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET); | |
1695 | MLX4_PUT(inbox, param->log_mc_entry_sz, | |
1696 | INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); | |
1697 | MLX4_PUT(inbox, param->log_mc_table_sz, | |
1698 | INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); | |
1699 | /* Enable Ethernet flow steering | |
1700 | * with udp unicast and tcp unicast | |
1701 | */ | |
7d077cd3 MB |
1702 | if (dev->caps.dmfs_high_steer_mode != |
1703 | MLX4_STEERING_DMFS_A0_STATIC) | |
1704 | MLX4_PUT(inbox, | |
1705 | (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), | |
1706 | INIT_HCA_FS_ETH_BITS_OFFSET); | |
0ff1fb65 HHZ |
1707 | MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, |
1708 | INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET); | |
1709 | /* Enable IPoIB flow steering | |
1710 | * with udp unicast and tcp unicast | |
1711 | */ | |
23537b73 | 1712 | MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), |
0ff1fb65 HHZ |
1713 | INIT_HCA_FS_IB_BITS_OFFSET); |
1714 | MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, | |
1715 | INIT_HCA_FS_IB_NUM_ADDRS_OFFSET); | |
7d077cd3 MB |
1716 | |
1717 | if (dev->caps.dmfs_high_steer_mode != | |
1718 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
1719 | MLX4_PUT(inbox, | |
1720 | ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode] | |
1721 | << 6)), | |
1722 | INIT_HCA_FS_A0_OFFSET); | |
0ff1fb65 HHZ |
1723 | } else { |
1724 | MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); | |
1725 | MLX4_PUT(inbox, param->log_mc_entry_sz, | |
1726 | INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); | |
1727 | MLX4_PUT(inbox, param->log_mc_hash_sz, | |
1728 | INIT_HCA_LOG_MC_HASH_SZ_OFFSET); | |
1729 | MLX4_PUT(inbox, param->log_mc_table_sz, | |
1730 | INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); | |
1731 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0) | |
1732 | MLX4_PUT(inbox, (u8) (1 << 3), | |
1733 | INIT_HCA_UC_STEERING_OFFSET); | |
1734 | } | |
225c7b1f RD |
1735 | |
1736 | /* TPT attributes */ | |
1737 | ||
1738 | MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); | |
e448834e | 1739 | MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET); |
225c7b1f RD |
1740 | MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); |
1741 | MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); | |
1742 | MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); | |
1743 | ||
1744 | /* UAR attributes */ | |
1745 | ||
ab9c17a0 | 1746 | MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); |
225c7b1f RD |
1747 | MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); |
1748 | ||
7ffdf726 OG |
1749 | /* set parser VXLAN attributes */ |
1750 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) { | |
1751 | u8 parser_params = 0; | |
1752 | MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET); | |
1753 | } | |
1754 | ||
f9baff50 JM |
1755 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000, |
1756 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
1757 | |
1758 | if (err) | |
1759 | mlx4_err(dev, "INIT_HCA returns %d\n", err); | |
1760 | ||
1761 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1762 | return err; | |
1763 | } | |
1764 | ||
ab9c17a0 JM |
1765 | int mlx4_QUERY_HCA(struct mlx4_dev *dev, |
1766 | struct mlx4_init_hca_param *param) | |
1767 | { | |
1768 | struct mlx4_cmd_mailbox *mailbox; | |
1769 | __be32 *outbox; | |
7b8157be | 1770 | u32 dword_field; |
ab9c17a0 | 1771 | int err; |
08ff3235 | 1772 | u8 byte_field; |
7d077cd3 MB |
1773 | static const u8 a0_dmfs_query_hw_steering[] = { |
1774 | [0] = MLX4_STEERING_DMFS_A0_DEFAULT, | |
1775 | [1] = MLX4_STEERING_DMFS_A0_DYNAMIC, | |
1776 | [2] = MLX4_STEERING_DMFS_A0_STATIC, | |
1777 | [3] = MLX4_STEERING_DMFS_A0_DISABLE | |
1778 | }; | |
ab9c17a0 JM |
1779 | |
1780 | #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 | |
ddd8a6c1 | 1781 | #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c |
ab9c17a0 JM |
1782 | |
1783 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
1784 | if (IS_ERR(mailbox)) | |
1785 | return PTR_ERR(mailbox); | |
1786 | outbox = mailbox->buf; | |
1787 | ||
1788 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, | |
1789 | MLX4_CMD_QUERY_HCA, | |
1790 | MLX4_CMD_TIME_CLASS_B, | |
1791 | !mlx4_is_slave(dev)); | |
1792 | if (err) | |
1793 | goto out; | |
1794 | ||
1795 | MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); | |
ddd8a6c1 | 1796 | MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); |
ab9c17a0 JM |
1797 | |
1798 | /* QPC/EEC/CQC/EQC/RDMARC attributes */ | |
1799 | ||
1800 | MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); | |
1801 | MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); | |
1802 | MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); | |
1803 | MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); | |
1804 | MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); | |
1805 | MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); | |
1806 | MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); | |
1807 | MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); | |
1808 | MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); | |
1809 | MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); | |
7ae0e400 | 1810 | MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); |
ab9c17a0 JM |
1811 | MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); |
1812 | MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); | |
1813 | ||
7b8157be JM |
1814 | MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); |
1815 | if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { | |
1816 | param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; | |
1817 | } else { | |
1818 | MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET); | |
1819 | if (byte_field & 0x8) | |
1820 | param->steering_mode = MLX4_STEERING_MODE_B0; | |
1821 | else | |
1822 | param->steering_mode = MLX4_STEERING_MODE_A0; | |
1823 | } | |
0ff1fb65 | 1824 | /* steering attributes */ |
7b8157be | 1825 | if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
0ff1fb65 HHZ |
1826 | MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); |
1827 | MLX4_GET(param->log_mc_entry_sz, outbox, | |
1828 | INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); | |
1829 | MLX4_GET(param->log_mc_table_sz, outbox, | |
1830 | INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); | |
7d077cd3 MB |
1831 | MLX4_GET(byte_field, outbox, |
1832 | INIT_HCA_FS_A0_OFFSET); | |
1833 | param->dmfs_high_steer_mode = | |
1834 | a0_dmfs_query_hw_steering[(byte_field >> 6) & 3]; | |
0ff1fb65 HHZ |
1835 | } else { |
1836 | MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); | |
1837 | MLX4_GET(param->log_mc_entry_sz, outbox, | |
1838 | INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); | |
1839 | MLX4_GET(param->log_mc_hash_sz, outbox, | |
1840 | INIT_HCA_LOG_MC_HASH_SZ_OFFSET); | |
1841 | MLX4_GET(param->log_mc_table_sz, outbox, | |
1842 | INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); | |
1843 | } | |
ab9c17a0 | 1844 | |
08ff3235 OG |
1845 | /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ |
1846 | MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS); | |
1847 | if (byte_field & 0x20) /* 64-bytes eqe enabled */ | |
1848 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; | |
1849 | if (byte_field & 0x40) /* 64-bytes cqe enabled */ | |
1850 | param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; | |
1851 | ||
77507aa2 IS |
1852 | /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ |
1853 | MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET); | |
1854 | if (byte_field) { | |
c3f2511f IS |
1855 | param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED; |
1856 | param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED; | |
77507aa2 IS |
1857 | param->cqe_size = 1 << ((byte_field & |
1858 | MLX4_CQE_SIZE_MASK_STRIDE) + 5); | |
1859 | param->eqe_size = 1 << (((byte_field & | |
1860 | MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5); | |
1861 | } | |
1862 | ||
ab9c17a0 JM |
1863 | /* TPT attributes */ |
1864 | ||
1865 | MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); | |
e448834e | 1866 | MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); |
ab9c17a0 JM |
1867 | MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); |
1868 | MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); | |
1869 | MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); | |
1870 | ||
1871 | /* UAR attributes */ | |
1872 | ||
1873 | MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); | |
1874 | MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); | |
1875 | ||
1876 | out: | |
1877 | mlx4_free_cmd_mailbox(dev, mailbox); | |
1878 | ||
1879 | return err; | |
1880 | } | |
1881 | ||
980e9001 JM |
1882 | /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0 |
1883 | * and real QP0 are active, so that the paravirtualized QP0 is ready | |
1884 | * to operate */ | |
1885 | static int check_qp0_state(struct mlx4_dev *dev, int function, int port) | |
1886 | { | |
1887 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1888 | /* irrelevant if not infiniband */ | |
1889 | if (priv->mfunc.master.qp0_state[port].proxy_qp0_active && | |
1890 | priv->mfunc.master.qp0_state[port].qp0_active) | |
1891 | return 1; | |
1892 | return 0; | |
1893 | } | |
1894 | ||
5cc914f1 MA |
1895 | int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1896 | struct mlx4_vhcr *vhcr, | |
1897 | struct mlx4_cmd_mailbox *inbox, | |
1898 | struct mlx4_cmd_mailbox *outbox, | |
1899 | struct mlx4_cmd_info *cmd) | |
1900 | { | |
1901 | struct mlx4_priv *priv = mlx4_priv(dev); | |
449fc488 | 1902 | int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); |
5cc914f1 MA |
1903 | int err; |
1904 | ||
449fc488 MB |
1905 | if (port < 0) |
1906 | return -EINVAL; | |
1907 | ||
5cc914f1 MA |
1908 | if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) |
1909 | return 0; | |
1910 | ||
980e9001 JM |
1911 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { |
1912 | /* Enable port only if it was previously disabled */ | |
1913 | if (!priv->mfunc.master.init_port_ref[port]) { | |
1914 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
1915 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1916 | if (err) | |
1917 | return err; | |
1918 | } | |
1919 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
1920 | } else { | |
1921 | if (slave == mlx4_master_func_num(dev)) { | |
1922 | if (check_qp0_state(dev, slave, port) && | |
1923 | !priv->mfunc.master.qp0_state[port].port_active) { | |
1924 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
1925 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
1926 | if (err) | |
1927 | return err; | |
1928 | priv->mfunc.master.qp0_state[port].port_active = 1; | |
1929 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
1930 | } | |
1931 | } else | |
1932 | priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); | |
5cc914f1 MA |
1933 | } |
1934 | ++priv->mfunc.master.init_port_ref[port]; | |
1935 | return 0; | |
1936 | } | |
1937 | ||
5ae2a7a8 | 1938 | int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) |
225c7b1f RD |
1939 | { |
1940 | struct mlx4_cmd_mailbox *mailbox; | |
1941 | u32 *inbox; | |
1942 | int err; | |
1943 | u32 flags; | |
5ae2a7a8 | 1944 | u16 field; |
225c7b1f | 1945 | |
5ae2a7a8 | 1946 | if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
225c7b1f RD |
1947 | #define INIT_PORT_IN_SIZE 256 |
1948 | #define INIT_PORT_FLAGS_OFFSET 0x00 | |
1949 | #define INIT_PORT_FLAG_SIG (1 << 18) | |
1950 | #define INIT_PORT_FLAG_NG (1 << 17) | |
1951 | #define INIT_PORT_FLAG_G0 (1 << 16) | |
1952 | #define INIT_PORT_VL_SHIFT 4 | |
1953 | #define INIT_PORT_PORT_WIDTH_SHIFT 8 | |
1954 | #define INIT_PORT_MTU_OFFSET 0x04 | |
1955 | #define INIT_PORT_MAX_GID_OFFSET 0x06 | |
1956 | #define INIT_PORT_MAX_PKEY_OFFSET 0x0a | |
1957 | #define INIT_PORT_GUID0_OFFSET 0x10 | |
1958 | #define INIT_PORT_NODE_GUID_OFFSET 0x18 | |
1959 | #define INIT_PORT_SI_GUID_OFFSET 0x20 | |
1960 | ||
5ae2a7a8 RD |
1961 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
1962 | if (IS_ERR(mailbox)) | |
1963 | return PTR_ERR(mailbox); | |
1964 | inbox = mailbox->buf; | |
225c7b1f | 1965 | |
5ae2a7a8 RD |
1966 | flags = 0; |
1967 | flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; | |
1968 | flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; | |
1969 | MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); | |
225c7b1f | 1970 | |
b79acb49 | 1971 | field = 128 << dev->caps.ib_mtu_cap[port]; |
5ae2a7a8 RD |
1972 | MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); |
1973 | field = dev->caps.gid_table_len[port]; | |
1974 | MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); | |
1975 | field = dev->caps.pkey_table_len[port]; | |
1976 | MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); | |
225c7b1f | 1977 | |
5ae2a7a8 | 1978 | err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, |
f9baff50 | 1979 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f | 1980 | |
5ae2a7a8 RD |
1981 | mlx4_free_cmd_mailbox(dev, mailbox); |
1982 | } else | |
1983 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, | |
f9baff50 | 1984 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
225c7b1f RD |
1985 | |
1986 | return err; | |
1987 | } | |
1988 | EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); | |
1989 | ||
5cc914f1 MA |
1990 | int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, |
1991 | struct mlx4_vhcr *vhcr, | |
1992 | struct mlx4_cmd_mailbox *inbox, | |
1993 | struct mlx4_cmd_mailbox *outbox, | |
1994 | struct mlx4_cmd_info *cmd) | |
1995 | { | |
1996 | struct mlx4_priv *priv = mlx4_priv(dev); | |
449fc488 | 1997 | int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); |
5cc914f1 MA |
1998 | int err; |
1999 | ||
449fc488 MB |
2000 | if (port < 0) |
2001 | return -EINVAL; | |
2002 | ||
5cc914f1 MA |
2003 | if (!(priv->mfunc.master.slave_state[slave].init_port_mask & |
2004 | (1 << port))) | |
2005 | return 0; | |
2006 | ||
980e9001 JM |
2007 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { |
2008 | if (priv->mfunc.master.init_port_ref[port] == 1) { | |
2009 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, | |
2010 | 1000, MLX4_CMD_NATIVE); | |
2011 | if (err) | |
2012 | return err; | |
2013 | } | |
2014 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
2015 | } else { | |
2016 | /* infiniband port */ | |
2017 | if (slave == mlx4_master_func_num(dev)) { | |
2018 | if (!priv->mfunc.master.qp0_state[port].qp0_active && | |
2019 | priv->mfunc.master.qp0_state[port].port_active) { | |
2020 | err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, | |
2021 | 1000, MLX4_CMD_NATIVE); | |
2022 | if (err) | |
2023 | return err; | |
2024 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
2025 | priv->mfunc.master.qp0_state[port].port_active = 0; | |
2026 | } | |
2027 | } else | |
2028 | priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); | |
5cc914f1 | 2029 | } |
5cc914f1 MA |
2030 | --priv->mfunc.master.init_port_ref[port]; |
2031 | return 0; | |
2032 | } | |
2033 | ||
225c7b1f RD |
2034 | int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) |
2035 | { | |
f9baff50 JM |
2036 | return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000, |
2037 | MLX4_CMD_WRAPPED); | |
225c7b1f RD |
2038 | } |
2039 | EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); | |
2040 | ||
2041 | int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) | |
2042 | { | |
f9baff50 JM |
2043 | return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000, |
2044 | MLX4_CMD_NATIVE); | |
225c7b1f RD |
2045 | } |
2046 | ||
d18f141a OG |
2047 | struct mlx4_config_dev { |
2048 | __be32 update_flags; | |
d475c95b | 2049 | __be32 rsvd1[3]; |
d18f141a OG |
2050 | __be16 vxlan_udp_dport; |
2051 | __be16 rsvd2; | |
d475c95b MB |
2052 | __be32 rsvd3[27]; |
2053 | __be16 rsvd4; | |
2054 | u8 rsvd5; | |
2055 | u8 rx_checksum_val; | |
d18f141a OG |
2056 | }; |
2057 | ||
2058 | #define MLX4_VXLAN_UDP_DPORT (1 << 0) | |
2059 | ||
d475c95b | 2060 | static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) |
d18f141a OG |
2061 | { |
2062 | int err; | |
2063 | struct mlx4_cmd_mailbox *mailbox; | |
2064 | ||
2065 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2066 | if (IS_ERR(mailbox)) | |
2067 | return PTR_ERR(mailbox); | |
2068 | ||
2069 | memcpy(mailbox->buf, config_dev, sizeof(*config_dev)); | |
2070 | ||
2071 | err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV, | |
2072 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2073 | ||
2074 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2075 | return err; | |
2076 | } | |
2077 | ||
d475c95b MB |
2078 | static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) |
2079 | { | |
2080 | int err; | |
2081 | struct mlx4_cmd_mailbox *mailbox; | |
2082 | ||
2083 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2084 | if (IS_ERR(mailbox)) | |
2085 | return PTR_ERR(mailbox); | |
2086 | ||
2087 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV, | |
2088 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); | |
2089 | ||
2090 | if (!err) | |
2091 | memcpy(config_dev, mailbox->buf, sizeof(*config_dev)); | |
2092 | ||
2093 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2094 | return err; | |
2095 | } | |
2096 | ||
2097 | /* Conversion between the HW values and the actual functionality. | |
2098 | * The value represented by the array index, | |
2099 | * and the functionality determined by the flags. | |
2100 | */ | |
2101 | static const u8 config_dev_csum_flags[] = { | |
2102 | [0] = 0, | |
2103 | [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP, | |
2104 | [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP | | |
2105 | MLX4_RX_CSUM_MODE_L4, | |
2106 | [3] = MLX4_RX_CSUM_MODE_L4 | | |
2107 | MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP | | |
2108 | MLX4_RX_CSUM_MODE_MULTI_VLAN | |
2109 | }; | |
2110 | ||
2111 | int mlx4_config_dev_retrieval(struct mlx4_dev *dev, | |
2112 | struct mlx4_config_dev_params *params) | |
2113 | { | |
2114 | struct mlx4_config_dev config_dev; | |
2115 | int err; | |
2116 | u8 csum_mask; | |
2117 | ||
2118 | #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7 | |
2119 | #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0 | |
2120 | #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4 | |
2121 | ||
2122 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV)) | |
2123 | return -ENOTSUPP; | |
2124 | ||
2125 | err = mlx4_CONFIG_DEV_get(dev, &config_dev); | |
2126 | if (err) | |
2127 | return err; | |
2128 | ||
2129 | csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) & | |
2130 | CONFIG_DEV_RX_CSUM_MODE_MASK; | |
2131 | ||
2132 | if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) | |
2133 | return -EINVAL; | |
2134 | params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask]; | |
2135 | ||
2136 | csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) & | |
2137 | CONFIG_DEV_RX_CSUM_MODE_MASK; | |
2138 | ||
2139 | if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) | |
2140 | return -EINVAL; | |
2141 | params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask]; | |
2142 | ||
2143 | params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport); | |
2144 | ||
2145 | return 0; | |
2146 | } | |
2147 | EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval); | |
2148 | ||
d18f141a OG |
2149 | int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) |
2150 | { | |
2151 | struct mlx4_config_dev config_dev; | |
2152 | ||
2153 | memset(&config_dev, 0, sizeof(config_dev)); | |
2154 | config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT); | |
2155 | config_dev.vxlan_udp_dport = udp_port; | |
2156 | ||
d475c95b | 2157 | return mlx4_CONFIG_DEV_set(dev, &config_dev); |
d18f141a OG |
2158 | } |
2159 | EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port); | |
2160 | ||
2161 | ||
225c7b1f RD |
2162 | int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) |
2163 | { | |
2164 | int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, | |
2165 | MLX4_CMD_SET_ICM_SIZE, | |
f9baff50 | 2166 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
225c7b1f RD |
2167 | if (ret) |
2168 | return ret; | |
2169 | ||
2170 | /* | |
2171 | * Round up number of system pages needed in case | |
2172 | * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. | |
2173 | */ | |
2174 | *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> | |
2175 | (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); | |
2176 | ||
2177 | return 0; | |
2178 | } | |
2179 | ||
2180 | int mlx4_NOP(struct mlx4_dev *dev) | |
2181 | { | |
2182 | /* Input modifier of 0x1f means "finish as soon as possible." */ | |
f9baff50 | 2183 | return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE); |
225c7b1f | 2184 | } |
14c07b13 | 2185 | |
8e1a28e8 HHZ |
2186 | int mlx4_get_phys_port_id(struct mlx4_dev *dev) |
2187 | { | |
2188 | u8 port; | |
2189 | u32 *outbox; | |
2190 | struct mlx4_cmd_mailbox *mailbox; | |
2191 | u32 in_mod; | |
2192 | u32 guid_hi, guid_lo; | |
2193 | int err, ret = 0; | |
2194 | #define MOD_STAT_CFG_PORT_OFFSET 8 | |
2195 | #define MOD_STAT_CFG_GUID_H 0X14 | |
2196 | #define MOD_STAT_CFG_GUID_L 0X1c | |
2197 | ||
2198 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2199 | if (IS_ERR(mailbox)) | |
2200 | return PTR_ERR(mailbox); | |
2201 | outbox = mailbox->buf; | |
2202 | ||
2203 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
2204 | in_mod = port << MOD_STAT_CFG_PORT_OFFSET; | |
2205 | err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2, | |
2206 | MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, | |
2207 | MLX4_CMD_NATIVE); | |
2208 | if (err) { | |
2209 | mlx4_err(dev, "Fail to get port %d uplink guid\n", | |
2210 | port); | |
2211 | ret = err; | |
2212 | } else { | |
2213 | MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H); | |
2214 | MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L); | |
2215 | dev->caps.phys_port_id[port] = (u64)guid_lo | | |
2216 | (u64)guid_hi << 32; | |
2217 | } | |
2218 | } | |
2219 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2220 | return ret; | |
2221 | } | |
2222 | ||
14c07b13 YP |
2223 | #define MLX4_WOL_SETUP_MODE (5 << 28) |
2224 | int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) | |
2225 | { | |
2226 | u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; | |
2227 | ||
2228 | return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, | |
f9baff50 JM |
2229 | MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, |
2230 | MLX4_CMD_NATIVE); | |
14c07b13 YP |
2231 | } |
2232 | EXPORT_SYMBOL_GPL(mlx4_wol_read); | |
2233 | ||
2234 | int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) | |
2235 | { | |
2236 | u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; | |
2237 | ||
2238 | return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, | |
f9baff50 | 2239 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
14c07b13 YP |
2240 | } |
2241 | EXPORT_SYMBOL_GPL(mlx4_wol_write); | |
fe6f700d YP |
2242 | |
2243 | enum { | |
2244 | ADD_TO_MCG = 0x26, | |
2245 | }; | |
2246 | ||
2247 | ||
2248 | void mlx4_opreq_action(struct work_struct *work) | |
2249 | { | |
2250 | struct mlx4_priv *priv = container_of(work, struct mlx4_priv, | |
2251 | opreq_task); | |
2252 | struct mlx4_dev *dev = &priv->dev; | |
2253 | int num_tasks = atomic_read(&priv->opreq_count); | |
2254 | struct mlx4_cmd_mailbox *mailbox; | |
2255 | struct mlx4_mgm *mgm; | |
2256 | u32 *outbox; | |
2257 | u32 modifier; | |
2258 | u16 token; | |
fe6f700d YP |
2259 | u16 type; |
2260 | int err; | |
2261 | u32 num_qps; | |
2262 | struct mlx4_qp qp; | |
2263 | int i; | |
2264 | u8 rem_mcg; | |
2265 | u8 prot; | |
2266 | ||
2267 | #define GET_OP_REQ_MODIFIER_OFFSET 0x08 | |
2268 | #define GET_OP_REQ_TOKEN_OFFSET 0x14 | |
2269 | #define GET_OP_REQ_TYPE_OFFSET 0x1a | |
2270 | #define GET_OP_REQ_DATA_OFFSET 0x20 | |
2271 | ||
2272 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2273 | if (IS_ERR(mailbox)) { | |
2274 | mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n"); | |
2275 | return; | |
2276 | } | |
2277 | outbox = mailbox->buf; | |
2278 | ||
2279 | while (num_tasks) { | |
2280 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, | |
2281 | MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, | |
2282 | MLX4_CMD_NATIVE); | |
2283 | if (err) { | |
6d3be300 | 2284 | mlx4_err(dev, "Failed to retrieve required operation: %d\n", |
fe6f700d YP |
2285 | err); |
2286 | return; | |
2287 | } | |
2288 | MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); | |
2289 | MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); | |
2290 | MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET); | |
fe6f700d YP |
2291 | type &= 0xfff; |
2292 | ||
2293 | switch (type) { | |
2294 | case ADD_TO_MCG: | |
2295 | if (dev->caps.steering_mode == | |
2296 | MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
2297 | mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n"); | |
2298 | err = EPERM; | |
2299 | break; | |
2300 | } | |
2301 | mgm = (struct mlx4_mgm *)((u8 *)(outbox) + | |
2302 | GET_OP_REQ_DATA_OFFSET); | |
2303 | num_qps = be32_to_cpu(mgm->members_count) & | |
2304 | MGM_QPN_MASK; | |
2305 | rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1; | |
2306 | prot = ((u8 *)(&mgm->members_count))[0] >> 6; | |
2307 | ||
2308 | for (i = 0; i < num_qps; i++) { | |
2309 | qp.qpn = be32_to_cpu(mgm->qp[i]); | |
2310 | if (rem_mcg) | |
2311 | err = mlx4_multicast_detach(dev, &qp, | |
2312 | mgm->gid, | |
2313 | prot, 0); | |
2314 | else | |
2315 | err = mlx4_multicast_attach(dev, &qp, | |
2316 | mgm->gid, | |
2317 | mgm->gid[5] | |
2318 | , 0, prot, | |
2319 | NULL); | |
2320 | if (err) | |
2321 | break; | |
2322 | } | |
2323 | break; | |
2324 | default: | |
2325 | mlx4_warn(dev, "Bad type for required operation\n"); | |
2326 | err = EINVAL; | |
2327 | break; | |
2328 | } | |
28d222bb EP |
2329 | err = mlx4_cmd(dev, 0, ((u32) err | |
2330 | (__force u32)cpu_to_be32(token) << 16), | |
fe6f700d YP |
2331 | 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, |
2332 | MLX4_CMD_NATIVE); | |
2333 | if (err) { | |
2334 | mlx4_err(dev, "Failed to acknowledge required request: %d\n", | |
2335 | err); | |
2336 | goto out; | |
2337 | } | |
2338 | memset(outbox, 0, 0xffc); | |
2339 | num_tasks = atomic_dec_return(&priv->opreq_count); | |
2340 | } | |
2341 | ||
2342 | out: | |
2343 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2344 | } | |
114840c3 JM |
2345 | |
2346 | static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev, | |
2347 | struct mlx4_cmd_mailbox *mailbox) | |
2348 | { | |
2349 | #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10 | |
2350 | #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20 | |
2351 | #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40 | |
2352 | #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70 | |
2353 | ||
2354 | u32 set_attr_mask, getresp_attr_mask; | |
2355 | u32 trap_attr_mask, traprepress_attr_mask; | |
2356 | ||
2357 | MLX4_GET(set_attr_mask, mailbox->buf, | |
2358 | MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET); | |
2359 | mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n", | |
2360 | set_attr_mask); | |
2361 | ||
2362 | MLX4_GET(getresp_attr_mask, mailbox->buf, | |
2363 | MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET); | |
2364 | mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n", | |
2365 | getresp_attr_mask); | |
2366 | ||
2367 | MLX4_GET(trap_attr_mask, mailbox->buf, | |
2368 | MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET); | |
2369 | mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n", | |
2370 | trap_attr_mask); | |
2371 | ||
2372 | MLX4_GET(traprepress_attr_mask, mailbox->buf, | |
2373 | MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET); | |
2374 | mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n", | |
2375 | traprepress_attr_mask); | |
2376 | ||
2377 | if (set_attr_mask && getresp_attr_mask && trap_attr_mask && | |
2378 | traprepress_attr_mask) | |
2379 | return 1; | |
2380 | ||
2381 | return 0; | |
2382 | } | |
2383 | ||
2384 | int mlx4_config_mad_demux(struct mlx4_dev *dev) | |
2385 | { | |
2386 | struct mlx4_cmd_mailbox *mailbox; | |
2387 | int secure_host_active; | |
2388 | int err; | |
2389 | ||
2390 | /* Check if mad_demux is supported */ | |
2391 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX)) | |
2392 | return 0; | |
2393 | ||
2394 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2395 | if (IS_ERR(mailbox)) { | |
2396 | mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX"); | |
2397 | return -ENOMEM; | |
2398 | } | |
2399 | ||
2400 | /* Query mad_demux to find out which MADs are handled by internal sma */ | |
2401 | err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */, | |
2402 | MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX, | |
2403 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2404 | if (err) { | |
2405 | mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n", | |
2406 | err); | |
2407 | goto out; | |
2408 | } | |
2409 | ||
2410 | secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox); | |
2411 | ||
2412 | /* Config mad_demux to handle all MADs returned by the query above */ | |
2413 | err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */, | |
2414 | MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX, | |
2415 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); | |
2416 | if (err) { | |
2417 | mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err); | |
2418 | goto out; | |
2419 | } | |
2420 | ||
2421 | if (secure_host_active) | |
2422 | mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n"); | |
2423 | out: | |
2424 | mlx4_free_cmd_mailbox(dev, mailbox); | |
2425 | return err; | |
2426 | } | |
adbc7ac5 SM |
2427 | |
2428 | /* Access Reg commands */ | |
2429 | enum mlx4_access_reg_masks { | |
2430 | MLX4_ACCESS_REG_STATUS_MASK = 0x7f, | |
2431 | MLX4_ACCESS_REG_METHOD_MASK = 0x7f, | |
2432 | MLX4_ACCESS_REG_LEN_MASK = 0x7ff | |
2433 | }; | |
2434 | ||
2435 | struct mlx4_access_reg { | |
2436 | __be16 constant1; | |
2437 | u8 status; | |
2438 | u8 resrvd1; | |
2439 | __be16 reg_id; | |
2440 | u8 method; | |
2441 | u8 constant2; | |
2442 | __be32 resrvd2[2]; | |
2443 | __be16 len_const; | |
2444 | __be16 resrvd3; | |
2445 | #define MLX4_ACCESS_REG_HEADER_SIZE (20) | |
2446 | u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE]; | |
2447 | } __attribute__((__packed__)); | |
2448 | ||
2449 | /** | |
2450 | * mlx4_ACCESS_REG - Generic access reg command. | |
2451 | * @dev: mlx4_dev. | |
2452 | * @reg_id: register ID to access. | |
2453 | * @method: Access method Read/Write. | |
2454 | * @reg_len: register length to Read/Write in bytes. | |
2455 | * @reg_data: reg_data pointer to Read/Write From/To. | |
2456 | * | |
2457 | * Access ConnectX registers FW command. | |
2458 | * Returns 0 on success and copies outbox mlx4_access_reg data | |
2459 | * field into reg_data or a negative error code. | |
2460 | */ | |
2461 | static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id, | |
2462 | enum mlx4_access_reg_method method, | |
2463 | u16 reg_len, void *reg_data) | |
2464 | { | |
2465 | struct mlx4_cmd_mailbox *inbox, *outbox; | |
2466 | struct mlx4_access_reg *inbuf, *outbuf; | |
2467 | int err; | |
2468 | ||
2469 | inbox = mlx4_alloc_cmd_mailbox(dev); | |
2470 | if (IS_ERR(inbox)) | |
2471 | return PTR_ERR(inbox); | |
2472 | ||
2473 | outbox = mlx4_alloc_cmd_mailbox(dev); | |
2474 | if (IS_ERR(outbox)) { | |
2475 | mlx4_free_cmd_mailbox(dev, inbox); | |
2476 | return PTR_ERR(outbox); | |
2477 | } | |
2478 | ||
2479 | inbuf = inbox->buf; | |
2480 | outbuf = outbox->buf; | |
2481 | ||
2482 | inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4); | |
2483 | inbuf->constant2 = 0x1; | |
2484 | inbuf->reg_id = cpu_to_be16(reg_id); | |
2485 | inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK; | |
2486 | ||
2487 | reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data))); | |
2488 | inbuf->len_const = | |
2489 | cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) | | |
2490 | ((0x3) << 12)); | |
2491 | ||
2492 | memcpy(inbuf->reg_data, reg_data, reg_len); | |
2493 | err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0, | |
2494 | MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, | |
6e806699 | 2495 | MLX4_CMD_WRAPPED); |
adbc7ac5 SM |
2496 | if (err) |
2497 | goto out; | |
2498 | ||
2499 | if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) { | |
2500 | err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK; | |
2501 | mlx4_err(dev, | |
2502 | "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n", | |
2503 | reg_id, err); | |
2504 | goto out; | |
2505 | } | |
2506 | ||
2507 | memcpy(reg_data, outbuf->reg_data, reg_len); | |
2508 | out: | |
2509 | mlx4_free_cmd_mailbox(dev, inbox); | |
2510 | mlx4_free_cmd_mailbox(dev, outbox); | |
2511 | return err; | |
2512 | } | |
2513 | ||
2514 | /* ConnectX registers IDs */ | |
2515 | enum mlx4_reg_id { | |
2516 | MLX4_REG_ID_PTYS = 0x5004, | |
2517 | }; | |
2518 | ||
2519 | /** | |
2520 | * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed) | |
2521 | * register | |
2522 | * @dev: mlx4_dev. | |
2523 | * @method: Access method Read/Write. | |
2524 | * @ptys_reg: PTYS register data pointer. | |
2525 | * | |
2526 | * Access ConnectX PTYS register, to Read/Write Port Type/Speed | |
2527 | * configuration | |
2528 | * Returns 0 on success or a negative error code. | |
2529 | */ | |
2530 | int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, | |
2531 | enum mlx4_access_reg_method method, | |
2532 | struct mlx4_ptys_reg *ptys_reg) | |
2533 | { | |
2534 | return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS, | |
2535 | method, sizeof(*ptys_reg), ptys_reg); | |
2536 | } | |
2537 | EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG); | |
6e806699 SM |
2538 | |
2539 | int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, | |
2540 | struct mlx4_vhcr *vhcr, | |
2541 | struct mlx4_cmd_mailbox *inbox, | |
2542 | struct mlx4_cmd_mailbox *outbox, | |
2543 | struct mlx4_cmd_info *cmd) | |
2544 | { | |
2545 | struct mlx4_access_reg *inbuf = inbox->buf; | |
2546 | u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK; | |
2547 | u16 reg_id = be16_to_cpu(inbuf->reg_id); | |
2548 | ||
2549 | if (slave != mlx4_master_func_num(dev) && | |
2550 | method == MLX4_ACCESS_REG_WRITE) | |
2551 | return -EPERM; | |
2552 | ||
2553 | if (reg_id == MLX4_REG_ID_PTYS) { | |
2554 | struct mlx4_ptys_reg *ptys_reg = | |
2555 | (struct mlx4_ptys_reg *)inbuf->reg_data; | |
2556 | ||
2557 | ptys_reg->local_port = | |
2558 | mlx4_slave_convert_port(dev, slave, | |
2559 | ptys_reg->local_port); | |
2560 | } | |
2561 | ||
2562 | return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier, | |
2563 | 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, | |
2564 | MLX4_CMD_NATIVE); | |
2565 | } |