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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. | |
51a379d0 | 4 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
5 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. |
6 | * | |
7 | * This software is available to you under a choice of one of two | |
8 | * licenses. You may choose to be licensed under the terms of the GNU | |
9 | * General Public License (GPL) Version 2, available from the file | |
10 | * COPYING in the main directory of this source tree, or the | |
11 | * OpenIB.org BSD license below: | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or | |
14 | * without modification, are permitted provided that the following | |
15 | * conditions are met: | |
16 | * | |
17 | * - Redistributions of source code must retain the above | |
18 | * copyright notice, this list of conditions and the following | |
19 | * disclaimer. | |
20 | * | |
21 | * - Redistributions in binary form must reproduce the above | |
22 | * copyright notice, this list of conditions and the following | |
23 | * disclaimer in the documentation and/or other materials | |
24 | * provided with the distribution. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
33 | * SOFTWARE. | |
34 | */ | |
35 | ||
36 | #include <linux/module.h> | |
691223ec | 37 | #include <linux/kernel.h> |
225c7b1f RD |
38 | #include <linux/init.h> |
39 | #include <linux/errno.h> | |
40 | #include <linux/pci.h> | |
41 | #include <linux/dma-mapping.h> | |
5a0e3ad6 | 42 | #include <linux/slab.h> |
c1b43dca | 43 | #include <linux/io-mapping.h> |
ab9c17a0 | 44 | #include <linux/delay.h> |
b046ffe5 | 45 | #include <linux/kmod.h> |
10b1c04e | 46 | #include <linux/etherdevice.h> |
09d4d087 | 47 | #include <net/devlink.h> |
225c7b1f | 48 | |
48962f5c | 49 | #include <uapi/rdma/mlx4-abi.h> |
225c7b1f RD |
50 | #include <linux/mlx4/device.h> |
51 | #include <linux/mlx4/doorbell.h> | |
52 | ||
53 | #include "mlx4.h" | |
54 | #include "fw.h" | |
55 | #include "icm.h" | |
56 | ||
57 | MODULE_AUTHOR("Roland Dreier"); | |
58 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
59 | MODULE_LICENSE("Dual BSD/GPL"); | |
60 | MODULE_VERSION(DRV_VERSION); | |
61 | ||
27bf91d6 YP |
62 | struct workqueue_struct *mlx4_wq; |
63 | ||
225c7b1f RD |
64 | #ifdef CONFIG_MLX4_DEBUG |
65 | ||
92a59ad0 | 66 | int mlx4_debug_level; /* 0 by default */ |
225c7b1f RD |
67 | module_param_named(debug_level, mlx4_debug_level, int, 0644); |
68 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
69 | ||
70 | #endif /* CONFIG_MLX4_DEBUG */ | |
71 | ||
72 | #ifdef CONFIG_PCI_MSI | |
73 | ||
08fb1055 | 74 | static int msi_x = 1; |
225c7b1f | 75 | module_param(msi_x, int, 0444); |
e5732838 | 76 | MODULE_PARM_DESC(msi_x, "0 - don't use MSI-X, 1 - use MSI-X, >1 - limit number of MSI-X irqs to msi_x"); |
225c7b1f RD |
77 | |
78 | #else /* CONFIG_PCI_MSI */ | |
79 | ||
80 | #define msi_x (0) | |
81 | ||
82 | #endif /* CONFIG_PCI_MSI */ | |
83 | ||
dd41cc3b | 84 | static uint8_t num_vfs[3] = {0, 0, 0}; |
effa4bc4 | 85 | static int num_vfs_argc; |
92a59ad0 | 86 | module_param_array(num_vfs, byte, &num_vfs_argc, 0444); |
dd41cc3b MB |
87 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0\n" |
88 | "num_vfs=port1,port2,port1+2"); | |
89 | ||
90 | static uint8_t probe_vf[3] = {0, 0, 0}; | |
effa4bc4 | 91 | static int probe_vfs_argc; |
dd41cc3b MB |
92 | module_param_array(probe_vf, byte, &probe_vfs_argc, 0444); |
93 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n" | |
94 | "probe_vf=port1,port2,port1+2"); | |
ab9c17a0 | 95 | |
3b68067b | 96 | static int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
0ec2c0f8 EE |
97 | module_param_named(log_num_mgm_entry_size, |
98 | mlx4_log_num_mgm_entry_size, int, 0444); | |
99 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
100 | " of qp per mcg, for example:" | |
3c439b55 | 101 | " 10 gives 248.range: 7 <=" |
0ff1fb65 | 102 | " log_num_mgm_entry_size <= 12." |
3c439b55 JM |
103 | " To activate device managed" |
104 | " flow steering when available, set to -1"); | |
0ec2c0f8 | 105 | |
be902ab1 | 106 | static bool enable_64b_cqe_eqe = true; |
08ff3235 OG |
107 | module_param(enable_64b_cqe_eqe, bool, 0444); |
108 | MODULE_PARM_DESC(enable_64b_cqe_eqe, | |
be902ab1 | 109 | "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)"); |
08ff3235 | 110 | |
76e39ccf EC |
111 | static bool enable_4k_uar; |
112 | module_param(enable_4k_uar, bool, 0444); | |
113 | MODULE_PARM_DESC(enable_4k_uar, | |
114 | "Enable using 4K UAR. Should not be enabled if have VFs which do not support 4K UARs (default: false)"); | |
115 | ||
77507aa2 | 116 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
7d077cd3 MB |
117 | MLX4_FUNC_CAP_EQE_CQE_STRIDE | \ |
118 | MLX4_FUNC_CAP_DMFS_A0_STATIC) | |
ab9c17a0 | 119 | |
55ad3592 YH |
120 | #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) |
121 | ||
f57e6848 | 122 | static char mlx4_version[] = |
225c7b1f | 123 | DRV_NAME ": Mellanox ConnectX core driver v" |
cea2a6d8 | 124 | DRV_VERSION "\n"; |
225c7b1f | 125 | |
3f2c5fb2 | 126 | static const struct mlx4_profile default_profile = { |
ab9c17a0 | 127 | .num_qp = 1 << 18, |
225c7b1f | 128 | .num_srq = 1 << 16, |
c9f2ba5e | 129 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
130 | .num_cq = 1 << 16, |
131 | .num_mcg = 1 << 13, | |
ab9c17a0 | 132 | .num_mpt = 1 << 19, |
9fd7a1e1 | 133 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
225c7b1f RD |
134 | }; |
135 | ||
3f2c5fb2 | 136 | static const struct mlx4_profile low_mem_profile = { |
2599d858 AV |
137 | .num_qp = 1 << 17, |
138 | .num_srq = 1 << 6, | |
139 | .rdmarc_per_qp = 1 << 4, | |
140 | .num_cq = 1 << 8, | |
141 | .num_mcg = 1 << 8, | |
142 | .num_mpt = 1 << 9, | |
143 | .num_mtt = 1 << 7, | |
144 | }; | |
145 | ||
ab9c17a0 | 146 | static int log_num_mac = 7; |
93fc9e1b YP |
147 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
148 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
149 | ||
150 | static int log_num_vlan; | |
151 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
152 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
153 | /* Log2 max number of VLANs per ETH port (0-7) */ |
154 | #define MLX4_LOG_NUM_VLANS 7 | |
2599d858 AV |
155 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
156 | #define MLX4_MIN_LOG_NUM_MAC 1 | |
93fc9e1b | 157 | |
eb939922 | 158 | static bool use_prio; |
93fc9e1b | 159 | module_param_named(use_prio, use_prio, bool, 0444); |
ecc8fb11 | 160 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports (deprecated)"); |
93fc9e1b | 161 | |
7cc77bf4 | 162 | int log_mtts_per_seg = ilog2(1); |
ab6bf42e | 163 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
7cc77bf4 TT |
164 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment " |
165 | "(0-7) (default: 0)"); | |
ab6bf42e | 166 | |
8d0fc7b6 | 167 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
ab9c17a0 JM |
168 | static int arr_argc = 2; |
169 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
8d0fc7b6 YP |
170 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
171 | "1 for IB, 2 for Ethernet"); | |
ab9c17a0 JM |
172 | |
173 | struct mlx4_port_config { | |
174 | struct list_head list; | |
175 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
176 | struct pci_dev *pdev; | |
177 | }; | |
178 | ||
97989356 AV |
179 | static atomic_t pf_loading = ATOMIC_INIT(0); |
180 | ||
bd1b51dc MS |
181 | static int mlx4_devlink_ierr_reset_get(struct devlink *devlink, u32 id, |
182 | struct devlink_param_gset_ctx *ctx) | |
183 | { | |
184 | ctx->val.vbool = !!mlx4_internal_err_reset; | |
185 | return 0; | |
186 | } | |
187 | ||
188 | static int mlx4_devlink_ierr_reset_set(struct devlink *devlink, u32 id, | |
189 | struct devlink_param_gset_ctx *ctx) | |
190 | { | |
191 | mlx4_internal_err_reset = ctx->val.vbool; | |
192 | return 0; | |
193 | } | |
194 | ||
3c641ba4 AV |
195 | static int mlx4_devlink_crdump_snapshot_get(struct devlink *devlink, u32 id, |
196 | struct devlink_param_gset_ctx *ctx) | |
197 | { | |
198 | struct mlx4_priv *priv = devlink_priv(devlink); | |
199 | struct mlx4_dev *dev = &priv->dev; | |
200 | ||
201 | ctx->val.vbool = dev->persist->crdump.snapshot_enable; | |
202 | return 0; | |
203 | } | |
204 | ||
205 | static int mlx4_devlink_crdump_snapshot_set(struct devlink *devlink, u32 id, | |
206 | struct devlink_param_gset_ctx *ctx) | |
207 | { | |
208 | struct mlx4_priv *priv = devlink_priv(devlink); | |
209 | struct mlx4_dev *dev = &priv->dev; | |
210 | ||
211 | dev->persist->crdump.snapshot_enable = ctx->val.vbool; | |
212 | return 0; | |
213 | } | |
214 | ||
bd1b51dc MS |
215 | static int |
216 | mlx4_devlink_max_macs_validate(struct devlink *devlink, u32 id, | |
217 | union devlink_param_value val, | |
218 | struct netlink_ext_ack *extack) | |
219 | { | |
220 | u32 value = val.vu32; | |
221 | ||
222 | if (value < 1 || value > 128) | |
223 | return -ERANGE; | |
224 | ||
225 | if (!is_power_of_2(value)) { | |
226 | NL_SET_ERR_MSG_MOD(extack, "max_macs supported must be power of 2"); | |
227 | return -EINVAL; | |
228 | } | |
229 | ||
230 | return 0; | |
231 | } | |
232 | ||
233 | enum mlx4_devlink_param_id { | |
234 | MLX4_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, | |
235 | MLX4_DEVLINK_PARAM_ID_ENABLE_64B_CQE_EQE, | |
236 | MLX4_DEVLINK_PARAM_ID_ENABLE_4K_UAR, | |
237 | }; | |
238 | ||
239 | static const struct devlink_param mlx4_devlink_params[] = { | |
240 | DEVLINK_PARAM_GENERIC(INT_ERR_RESET, | |
241 | BIT(DEVLINK_PARAM_CMODE_RUNTIME) | | |
242 | BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), | |
243 | mlx4_devlink_ierr_reset_get, | |
244 | mlx4_devlink_ierr_reset_set, NULL), | |
245 | DEVLINK_PARAM_GENERIC(MAX_MACS, | |
246 | BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), | |
247 | NULL, NULL, mlx4_devlink_max_macs_validate), | |
3c641ba4 AV |
248 | DEVLINK_PARAM_GENERIC(REGION_SNAPSHOT, |
249 | BIT(DEVLINK_PARAM_CMODE_RUNTIME) | | |
250 | BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), | |
251 | mlx4_devlink_crdump_snapshot_get, | |
252 | mlx4_devlink_crdump_snapshot_set, NULL), | |
bd1b51dc MS |
253 | DEVLINK_PARAM_DRIVER(MLX4_DEVLINK_PARAM_ID_ENABLE_64B_CQE_EQE, |
254 | "enable_64b_cqe_eqe", DEVLINK_PARAM_TYPE_BOOL, | |
255 | BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), | |
256 | NULL, NULL, NULL), | |
257 | DEVLINK_PARAM_DRIVER(MLX4_DEVLINK_PARAM_ID_ENABLE_4K_UAR, | |
258 | "enable_4k_uar", DEVLINK_PARAM_TYPE_BOOL, | |
259 | BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), | |
260 | NULL, NULL, NULL), | |
261 | }; | |
262 | ||
bd1b51dc MS |
263 | static void mlx4_devlink_set_params_init_values(struct devlink *devlink) |
264 | { | |
265 | union devlink_param_value value; | |
266 | ||
267 | value.vbool = !!mlx4_internal_err_reset; | |
26450608 MS |
268 | devlink_param_driverinit_value_set(devlink, |
269 | DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, | |
270 | value); | |
bd1b51dc MS |
271 | |
272 | value.vu32 = 1UL << log_num_mac; | |
26450608 MS |
273 | devlink_param_driverinit_value_set(devlink, |
274 | DEVLINK_PARAM_GENERIC_ID_MAX_MACS, | |
275 | value); | |
bd1b51dc MS |
276 | |
277 | value.vbool = enable_64b_cqe_eqe; | |
26450608 MS |
278 | devlink_param_driverinit_value_set(devlink, |
279 | MLX4_DEVLINK_PARAM_ID_ENABLE_64B_CQE_EQE, | |
280 | value); | |
bd1b51dc MS |
281 | |
282 | value.vbool = enable_4k_uar; | |
26450608 MS |
283 | devlink_param_driverinit_value_set(devlink, |
284 | MLX4_DEVLINK_PARAM_ID_ENABLE_4K_UAR, | |
285 | value); | |
3c641ba4 AV |
286 | |
287 | value.vbool = false; | |
26450608 MS |
288 | devlink_param_driverinit_value_set(devlink, |
289 | DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, | |
290 | value); | |
bd1b51dc MS |
291 | } |
292 | ||
85743f1e HN |
293 | static inline void mlx4_set_num_reserved_uars(struct mlx4_dev *dev, |
294 | struct mlx4_dev_cap *dev_cap) | |
295 | { | |
296 | /* The reserved_uars is calculated by system page size unit. | |
297 | * Therefore, adjustment is added when the uar page size is less | |
298 | * than the system page size | |
299 | */ | |
300 | dev->caps.reserved_uars = | |
301 | max_t(int, | |
302 | mlx4_get_num_reserved_uar(dev), | |
303 | dev_cap->reserved_uars / | |
304 | (1 << (PAGE_SHIFT - dev->uar_page_shift))); | |
305 | } | |
306 | ||
27bf91d6 YP |
307 | int mlx4_check_port_params(struct mlx4_dev *dev, |
308 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
309 | { |
310 | int i; | |
311 | ||
0b997657 YS |
312 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
313 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
314 | if (port_type[i] != port_type[i + 1]) { | |
1a91de28 | 315 | mlx4_err(dev, "Only same port types supported on this HCA, aborting\n"); |
95aac2cd | 316 | return -EOPNOTSUPP; |
27bf91d6 | 317 | } |
7ff93f8b YP |
318 | } |
319 | } | |
7ff93f8b YP |
320 | |
321 | for (i = 0; i < dev->caps.num_ports; i++) { | |
322 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
1a91de28 JP |
323 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
324 | i + 1); | |
95aac2cd | 325 | return -EOPNOTSUPP; |
7ff93f8b YP |
326 | } |
327 | } | |
328 | return 0; | |
329 | } | |
330 | ||
331 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
332 | { | |
333 | int i; | |
334 | ||
7ff93f8b | 335 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 336 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 337 | } |
f2a3f6a3 | 338 | |
7ae0e400 MB |
339 | enum { |
340 | MLX4_QUERY_FUNC_NUM_SYS_EQS = 1 << 0, | |
341 | }; | |
342 | ||
343 | static int mlx4_query_func(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) | |
344 | { | |
345 | int err = 0; | |
346 | struct mlx4_func func; | |
347 | ||
348 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { | |
349 | err = mlx4_QUERY_FUNC(dev, &func, 0); | |
350 | if (err) { | |
351 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
352 | return err; | |
353 | } | |
354 | dev_cap->max_eqs = func.max_eq; | |
355 | dev_cap->reserved_eqs = func.rsvd_eqs; | |
356 | dev_cap->reserved_uars = func.rsvd_uars; | |
357 | err |= MLX4_QUERY_FUNC_NUM_SYS_EQS; | |
358 | } | |
359 | return err; | |
360 | } | |
361 | ||
77507aa2 IS |
362 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
363 | { | |
364 | struct mlx4_caps *dev_cap = &dev->caps; | |
365 | ||
366 | /* FW not supporting or cancelled by user */ | |
367 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || | |
368 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) | |
369 | return; | |
370 | ||
371 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride | |
372 | * When FW has NCSI it may decide not to report 64B CQE/EQEs | |
373 | */ | |
374 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || | |
375 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { | |
376 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
377 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
378 | return; | |
379 | } | |
380 | ||
381 | if (cache_line_size() == 128 || cache_line_size() == 256) { | |
382 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); | |
383 | /* Changing the real data inside CQE size to 32B */ | |
384 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
385 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
386 | ||
387 | if (mlx4_is_master(dev)) | |
388 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; | |
389 | } else { | |
0fab541a OG |
390 | if (cache_line_size() != 32 && cache_line_size() != 64) |
391 | mlx4_dbg(dev, "Disabling CQE stride, cacheLine size unsupported\n"); | |
77507aa2 IS |
392 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
393 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
394 | } | |
395 | } | |
396 | ||
431df8c7 MB |
397 | static int _mlx4_dev_port(struct mlx4_dev *dev, int port, |
398 | struct mlx4_port_cap *port_cap) | |
399 | { | |
400 | dev->caps.vl_cap[port] = port_cap->max_vl; | |
401 | dev->caps.ib_mtu_cap[port] = port_cap->ib_mtu; | |
402 | dev->phys_caps.gid_phys_table_len[port] = port_cap->max_gids; | |
403 | dev->phys_caps.pkey_phys_table_len[port] = port_cap->max_pkeys; | |
404 | /* set gid and pkey table operating lengths by default | |
405 | * to non-sriov values | |
406 | */ | |
407 | dev->caps.gid_table_len[port] = port_cap->max_gids; | |
408 | dev->caps.pkey_table_len[port] = port_cap->max_pkeys; | |
409 | dev->caps.port_width_cap[port] = port_cap->max_port_width; | |
410 | dev->caps.eth_mtu_cap[port] = port_cap->eth_mtu; | |
af7d5185 | 411 | dev->caps.max_tc_eth = port_cap->max_tc_eth; |
431df8c7 MB |
412 | dev->caps.def_mac[port] = port_cap->def_mac; |
413 | dev->caps.supported_type[port] = port_cap->supported_port_types; | |
414 | dev->caps.suggested_type[port] = port_cap->suggested_type; | |
415 | dev->caps.default_sense[port] = port_cap->default_sense; | |
416 | dev->caps.trans_type[port] = port_cap->trans_type; | |
417 | dev->caps.vendor_oui[port] = port_cap->vendor_oui; | |
418 | dev->caps.wavelength[port] = port_cap->wavelength; | |
419 | dev->caps.trans_code[port] = port_cap->trans_code; | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | static int mlx4_dev_port(struct mlx4_dev *dev, int port, | |
425 | struct mlx4_port_cap *port_cap) | |
426 | { | |
427 | int err = 0; | |
428 | ||
429 | err = mlx4_QUERY_PORT(dev, port, port_cap); | |
430 | ||
431 | if (err) | |
432 | mlx4_err(dev, "QUERY_PORT command failed.\n"); | |
433 | ||
434 | return err; | |
435 | } | |
436 | ||
78500b8c MM |
437 | static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev) |
438 | { | |
439 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)) | |
440 | return; | |
441 | ||
442 | if (mlx4_is_mfunc(dev)) { | |
443 | mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS"); | |
444 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
445 | return; | |
446 | } | |
447 | ||
448 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) { | |
449 | mlx4_dbg(dev, | |
450 | "Keep FCS is not supported - Disabling Ignore FCS"); | |
451 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
452 | return; | |
453 | } | |
454 | } | |
455 | ||
431df8c7 | 456 | #define MLX4_A0_STEERING_TABLE_SIZE 256 |
3d73c288 | 457 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
458 | { |
459 | int err; | |
5ae2a7a8 | 460 | int i; |
225c7b1f RD |
461 | |
462 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
463 | if (err) { | |
1a91de28 | 464 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
225c7b1f RD |
465 | return err; |
466 | } | |
c78e25ed | 467 | mlx4_dev_cap_dump(dev, dev_cap); |
225c7b1f RD |
468 | |
469 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
1a91de28 | 470 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
225c7b1f RD |
471 | dev_cap->min_page_sz, PAGE_SIZE); |
472 | return -ENODEV; | |
473 | } | |
474 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
1a91de28 | 475 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
225c7b1f RD |
476 | dev_cap->num_ports, MLX4_MAX_PORTS); |
477 | return -ENODEV; | |
478 | } | |
479 | ||
872bf2fb | 480 | if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) { |
1a91de28 | 481 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
225c7b1f | 482 | dev_cap->uar_size, |
872bf2fb YH |
483 | (unsigned long long) |
484 | pci_resource_len(dev->persist->pdev, 2)); | |
225c7b1f RD |
485 | return -ENODEV; |
486 | } | |
487 | ||
488 | dev->caps.num_ports = dev_cap->num_ports; | |
7ae0e400 MB |
489 | dev->caps.num_sys_eqs = dev_cap->num_sys_eqs; |
490 | dev->phys_caps.num_phys_eqs = dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS ? | |
491 | dev->caps.num_sys_eqs : | |
492 | MLX4_MAX_EQ_NUM; | |
5ae2a7a8 | 493 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
431df8c7 MB |
494 | err = _mlx4_dev_port(dev, i, dev_cap->port_cap + i); |
495 | if (err) { | |
496 | mlx4_err(dev, "QUERY_PORT command failed, aborting\n"); | |
497 | return err; | |
498 | } | |
5ae2a7a8 RD |
499 | } |
500 | ||
ab9c17a0 | 501 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 502 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
503 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
504 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
505 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
506 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
507 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
508 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
509 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
510 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
511 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
512 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
513 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
514 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
225c7b1f RD |
515 | /* |
516 | * Subtract 1 from the limit because we need to allocate a | |
57d0f00d | 517 | * spare CQE to enable resizing the CQ. |
225c7b1f RD |
518 | */ |
519 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
520 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
521 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 522 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 523 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 | 524 | |
225c7b1f | 525 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
526 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
527 | dev_cap->reserved_xrcds : 0; | |
528 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
529 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
530 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
531 | ||
149983af | 532 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
533 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
534 | dev->caps.flags = dev_cap->flags; | |
b3416f44 | 535 | dev->caps.flags2 = dev_cap->flags2; |
95d04f07 RD |
536 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
537 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 538 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 539 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
b3416f44 | 540 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
c994f778 IK |
541 | dev->caps.wol_port[1] = dev_cap->wol_port[1]; |
542 | dev->caps.wol_port[2] = dev_cap->wol_port[2]; | |
523f9eb1 | 543 | dev->caps.health_buffer_addrs = dev_cap->health_buffer_addrs; |
225c7b1f | 544 | |
85743f1e HN |
545 | /* Save uar page shift */ |
546 | if (!mlx4_is_slave(dev)) { | |
547 | /* Virtual PCI function needs to determine UAR page size from | |
548 | * firmware. Only master PCI function can set the uar page size | |
549 | */ | |
ca3d89a3 | 550 | if (enable_4k_uar || !dev->persist->num_vfs) |
76e39ccf EC |
551 | dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT; |
552 | else | |
553 | dev->uar_page_shift = PAGE_SHIFT; | |
554 | ||
85743f1e HN |
555 | mlx4_set_num_reserved_uars(dev, dev_cap); |
556 | } | |
557 | ||
77fc29c4 HHZ |
558 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { |
559 | struct mlx4_init_hca_param hca_param; | |
560 | ||
561 | memset(&hca_param, 0, sizeof(hca_param)); | |
562 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
563 | /* Turn off PHV_EN flag in case phv_check_en is set. | |
564 | * phv_check_en is a HW check that parse the packet and verify | |
565 | * phv bit was reported correctly in the wqe. To allow QinQ | |
566 | * PHV_EN flag should be set and phv_check_en must be cleared | |
567 | * otherwise QinQ packets will be drop by the HW. | |
568 | */ | |
569 | if (err || hca_param.phv_check_en) | |
570 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; | |
571 | } | |
572 | ||
ca3e57a5 RD |
573 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
574 | if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) | |
58a60168 | 575 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
aadf4f3f RD |
576 | /* Don't do sense port on multifunction devices (for now at least) */ |
577 | if (mlx4_is_mfunc(dev)) | |
578 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; | |
58a60168 | 579 | |
2599d858 AV |
580 | if (mlx4_low_memory_profile()) { |
581 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; | |
582 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; | |
583 | } else { | |
584 | dev->caps.log_num_macs = log_num_mac; | |
585 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; | |
586 | } | |
93fc9e1b YP |
587 | |
588 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
589 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
590 | if (dev->caps.supported_type[i]) { | |
591 | /* if only ETH is supported - assign ETH */ | |
592 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
593 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
105c320f | 594 | /* if only IB is supported, assign IB */ |
ab9c17a0 | 595 | else if (dev->caps.supported_type[i] == |
105c320f JM |
596 | MLX4_PORT_TYPE_IB) |
597 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 598 | else { |
105c320f JM |
599 | /* if IB and ETH are supported, we set the port |
600 | * type according to user selection of port type; | |
601 | * if user selected none, take the FW hint */ | |
602 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) | |
8d0fc7b6 YP |
603 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
604 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 605 | else |
105c320f | 606 | dev->caps.port_type[i] = port_type_array[i - 1]; |
ab9c17a0 JM |
607 | } |
608 | } | |
8d0fc7b6 YP |
609 | /* |
610 | * Link sensing is allowed on the port if 3 conditions are true: | |
611 | * 1. Both protocols are supported on the port. | |
612 | * 2. Different types are supported on the port | |
613 | * 3. FW declared that it supports link sensing | |
614 | */ | |
27bf91d6 | 615 | mlx4_priv(dev)->sense.sense_allowed[i] = |
58a60168 | 616 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
8d0fc7b6 | 617 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
58a60168 | 618 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
7ff93f8b | 619 | |
8d0fc7b6 YP |
620 | /* |
621 | * If "default_sense" bit is set, we move the port to "AUTO" mode | |
622 | * and perform sense_port FW command to try and set the correct | |
623 | * port type from beginning | |
624 | */ | |
46c46747 | 625 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
8d0fc7b6 YP |
626 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
627 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; | |
628 | mlx4_SENSE_PORT(dev, i, &sensed_port); | |
629 | if (sensed_port != MLX4_PORT_TYPE_NONE) | |
630 | dev->caps.port_type[i] = sensed_port; | |
631 | } else { | |
632 | dev->caps.possible_type[i] = dev->caps.port_type[i]; | |
633 | } | |
634 | ||
431df8c7 MB |
635 | if (dev->caps.log_num_macs > dev_cap->port_cap[i].log_max_macs) { |
636 | dev->caps.log_num_macs = dev_cap->port_cap[i].log_max_macs; | |
1a91de28 | 637 | mlx4_warn(dev, "Requested number of MACs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
638 | i, 1 << dev->caps.log_num_macs); |
639 | } | |
431df8c7 MB |
640 | if (dev->caps.log_num_vlans > dev_cap->port_cap[i].log_max_vlans) { |
641 | dev->caps.log_num_vlans = dev_cap->port_cap[i].log_max_vlans; | |
1a91de28 | 642 | mlx4_warn(dev, "Requested number of VLANs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
643 | i, 1 << dev->caps.log_num_vlans); |
644 | } | |
645 | } | |
646 | ||
ac0a72a3 OG |
647 | if (mlx4_is_master(dev) && (dev->caps.num_ports == 2) && |
648 | (port_type_array[0] == MLX4_PORT_TYPE_IB) && | |
649 | (port_type_array[1] == MLX4_PORT_TYPE_ETH)) { | |
650 | mlx4_warn(dev, | |
651 | "Granular QoS per VF not supported with IB/Eth configuration\n"); | |
652 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_QOS_VPP; | |
653 | } | |
654 | ||
47d8417f | 655 | dev->caps.max_counters = dev_cap->max_counters; |
f2a3f6a3 | 656 | |
93fc9e1b YP |
657 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
658 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
659 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
660 | (1 << dev->caps.log_num_macs) * | |
661 | (1 << dev->caps.log_num_vlans) * | |
93fc9e1b YP |
662 | dev->caps.num_ports; |
663 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
7d077cd3 MB |
664 | |
665 | if (dev_cap->dmfs_high_rate_qpn_base > 0 && | |
666 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) | |
667 | dev->caps.dmfs_high_rate_qpn_base = dev_cap->dmfs_high_rate_qpn_base; | |
668 | else | |
669 | dev->caps.dmfs_high_rate_qpn_base = | |
670 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
671 | ||
672 | if (dev_cap->dmfs_high_rate_qpn_range > 0 && | |
673 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { | |
674 | dev->caps.dmfs_high_rate_qpn_range = dev_cap->dmfs_high_rate_qpn_range; | |
675 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DEFAULT; | |
676 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_FS_A0; | |
677 | } else { | |
678 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_NOT_SUPPORTED; | |
679 | dev->caps.dmfs_high_rate_qpn_base = | |
680 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
681 | dev->caps.dmfs_high_rate_qpn_range = MLX4_A0_STEERING_TABLE_SIZE; | |
682 | } | |
683 | ||
fc31e256 OG |
684 | dev->caps.rl_caps = dev_cap->rl_caps; |
685 | ||
d57febe1 | 686 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_RSS_RAW_ETH] = |
7d077cd3 | 687 | dev->caps.dmfs_high_rate_qpn_range; |
93fc9e1b YP |
688 | |
689 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
690 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
691 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
692 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
693 | ||
e2c76824 | 694 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
08ff3235 | 695 | |
b3051320 | 696 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
08ff3235 OG |
697 | if (dev_cap->flags & |
698 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { | |
699 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); | |
700 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
701 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
702 | } | |
77507aa2 IS |
703 | |
704 | if (dev_cap->flags2 & | |
705 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | | |
706 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { | |
707 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); | |
708 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
709 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
710 | } | |
08ff3235 OG |
711 | } |
712 | ||
f97b4b5d | 713 | if ((dev->caps.flags & |
08ff3235 OG |
714 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
715 | mlx4_is_master(dev)) | |
716 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; | |
717 | ||
ddae0349 | 718 | if (!mlx4_is_slave(dev)) { |
77507aa2 | 719 | mlx4_enable_cqe_eqe_stride(dev); |
ddae0349 | 720 | dev->caps.alloc_res_qp_mask = |
d57febe1 MB |
721 | (dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) | |
722 | MLX4_RESERVE_A0_QP; | |
3742cc65 IS |
723 | |
724 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) && | |
725 | dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { | |
726 | mlx4_warn(dev, "Old device ETS support detected\n"); | |
727 | mlx4_warn(dev, "Consider upgrading device FW.\n"); | |
728 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; | |
729 | } | |
730 | ||
ddae0349 EE |
731 | } else { |
732 | dev->caps.alloc_res_qp_mask = 0; | |
733 | } | |
77507aa2 | 734 | |
78500b8c MM |
735 | mlx4_enable_ignore_fcs(dev); |
736 | ||
225c7b1f RD |
737 | return 0; |
738 | } | |
b912b2f8 | 739 | |
ab9c17a0 JM |
740 | /*The function checks if there are live vf, return the num of them*/ |
741 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
742 | { | |
743 | struct mlx4_priv *priv = mlx4_priv(dev); | |
744 | struct mlx4_slave_state *s_state; | |
745 | int i; | |
746 | int ret = 0; | |
747 | ||
748 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
749 | s_state = &priv->mfunc.master.slave_state[i]; | |
750 | if (s_state->active && s_state->last_cmd != | |
751 | MLX4_COMM_CMD_RESET) { | |
752 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
753 | __func__, i); | |
754 | ret++; | |
755 | } | |
756 | } | |
757 | return ret; | |
758 | } | |
759 | ||
396f2feb JM |
760 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
761 | { | |
762 | u32 qk = MLX4_RESERVED_QKEY_BASE; | |
47605df9 JM |
763 | |
764 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || | |
765 | qpn < dev->phys_caps.base_proxy_sqpn) | |
396f2feb JM |
766 | return -EINVAL; |
767 | ||
47605df9 | 768 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
396f2feb | 769 | /* tunnel qp */ |
47605df9 | 770 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
396f2feb | 771 | else |
47605df9 | 772 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
396f2feb JM |
773 | *qkey = qk; |
774 | return 0; | |
775 | } | |
776 | EXPORT_SYMBOL(mlx4_get_parav_qkey); | |
777 | ||
54679e14 JM |
778 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
779 | { | |
780 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
781 | ||
782 | if (!mlx4_is_master(dev)) | |
783 | return; | |
784 | ||
785 | priv->virt2phys_pkey[slave][port - 1][i] = val; | |
786 | } | |
787 | EXPORT_SYMBOL(mlx4_sync_pkey_table); | |
788 | ||
afa8fd1d JM |
789 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
790 | { | |
791 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
792 | ||
793 | if (!mlx4_is_master(dev)) | |
794 | return; | |
795 | ||
796 | priv->slave_node_guids[slave] = guid; | |
797 | } | |
798 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); | |
799 | ||
800 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) | |
801 | { | |
802 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
803 | ||
804 | if (!mlx4_is_master(dev)) | |
805 | return 0; | |
806 | ||
807 | return priv->slave_node_guids[slave]; | |
808 | } | |
809 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); | |
810 | ||
e10903b0 | 811 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
ab9c17a0 JM |
812 | { |
813 | struct mlx4_priv *priv = mlx4_priv(dev); | |
814 | struct mlx4_slave_state *s_slave; | |
815 | ||
816 | if (!mlx4_is_master(dev)) | |
817 | return 0; | |
818 | ||
819 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
820 | return !!s_slave->active; | |
821 | } | |
822 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
823 | ||
10b1c04e JM |
824 | void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl, |
825 | struct _rule_hw *eth_header) | |
826 | { | |
827 | if (is_multicast_ether_addr(eth_header->eth.dst_mac) || | |
828 | is_broadcast_ether_addr(eth_header->eth.dst_mac)) { | |
829 | struct mlx4_net_trans_rule_hw_eth *eth = | |
830 | (struct mlx4_net_trans_rule_hw_eth *)eth_header; | |
831 | struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1); | |
832 | bool last_rule = next_rule->size == 0 && next_rule->id == 0 && | |
833 | next_rule->rsvd == 0; | |
834 | ||
835 | if (last_rule) | |
836 | ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC); | |
837 | } | |
838 | } | |
839 | EXPORT_SYMBOL(mlx4_handle_eth_header_mcast_prio); | |
840 | ||
7b8157be JM |
841 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
842 | struct mlx4_dev_cap *dev_cap, | |
843 | struct mlx4_init_hca_param *hca_param) | |
844 | { | |
845 | dev->caps.steering_mode = hca_param->steering_mode; | |
846 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
847 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
848 | dev->caps.fs_log_max_ucast_qp_range_size = | |
849 | dev_cap->fs_log_max_ucast_qp_range_size; | |
850 | } else | |
851 | dev->caps.num_qp_per_mgm = | |
852 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); | |
853 | ||
854 | mlx4_dbg(dev, "Steering mode is: %s\n", | |
855 | mlx4_steering_mode_str(dev->caps.steering_mode)); | |
856 | } | |
857 | ||
c73c8b1e EBE |
858 | static void mlx4_slave_destroy_special_qp_cap(struct mlx4_dev *dev) |
859 | { | |
860 | kfree(dev->caps.spec_qps); | |
861 | dev->caps.spec_qps = NULL; | |
862 | } | |
863 | ||
864 | static int mlx4_slave_special_qp_cap(struct mlx4_dev *dev) | |
865 | { | |
866 | struct mlx4_func_cap *func_cap = NULL; | |
867 | struct mlx4_caps *caps = &dev->caps; | |
868 | int i, err = 0; | |
869 | ||
870 | func_cap = kzalloc(sizeof(*func_cap), GFP_KERNEL); | |
871 | caps->spec_qps = kcalloc(caps->num_ports, sizeof(*caps->spec_qps), GFP_KERNEL); | |
872 | ||
873 | if (!func_cap || !caps->spec_qps) { | |
874 | mlx4_err(dev, "Failed to allocate memory for special qps cap\n"); | |
875 | err = -ENOMEM; | |
876 | goto err_mem; | |
877 | } | |
878 | ||
879 | for (i = 1; i <= caps->num_ports; ++i) { | |
880 | err = mlx4_QUERY_FUNC_CAP(dev, i, func_cap); | |
881 | if (err) { | |
882 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", | |
883 | i, err); | |
884 | goto err_mem; | |
885 | } | |
886 | caps->spec_qps[i - 1] = func_cap->spec_qps; | |
887 | caps->port_mask[i] = caps->port_type[i]; | |
888 | caps->phys_port_id[i] = func_cap->phys_port_id; | |
889 | err = mlx4_get_slave_pkey_gid_tbl_len(dev, i, | |
890 | &caps->gid_table_len[i], | |
891 | &caps->pkey_table_len[i]); | |
892 | if (err) { | |
893 | mlx4_err(dev, "QUERY_PORT command failed for port %d, aborting (%d)\n", | |
894 | i, err); | |
895 | goto err_mem; | |
896 | } | |
897 | } | |
898 | ||
899 | err_mem: | |
900 | if (err) | |
901 | mlx4_slave_destroy_special_qp_cap(dev); | |
902 | kfree(func_cap); | |
903 | return err; | |
904 | } | |
905 | ||
ab9c17a0 JM |
906 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
907 | { | |
908 | int err; | |
909 | u32 page_size; | |
c73c8b1e EBE |
910 | struct mlx4_dev_cap *dev_cap = NULL; |
911 | struct mlx4_func_cap *func_cap = NULL; | |
912 | struct mlx4_init_hca_param *hca_param = NULL; | |
913 | ||
914 | hca_param = kzalloc(sizeof(*hca_param), GFP_KERNEL); | |
915 | func_cap = kzalloc(sizeof(*func_cap), GFP_KERNEL); | |
916 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); | |
917 | if (!hca_param || !func_cap || !dev_cap) { | |
918 | mlx4_err(dev, "Failed to allocate memory for slave_cap\n"); | |
919 | err = -ENOMEM; | |
920 | goto free_mem; | |
921 | } | |
ab9c17a0 | 922 | |
c73c8b1e | 923 | err = mlx4_QUERY_HCA(dev, hca_param); |
ab9c17a0 | 924 | if (err) { |
1a91de28 | 925 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
c73c8b1e | 926 | goto free_mem; |
ab9c17a0 JM |
927 | } |
928 | ||
483e0132 EP |
929 | /* fail if the hca has an unknown global capability |
930 | * at this time global_caps should be always zeroed | |
931 | */ | |
c73c8b1e | 932 | if (hca_param->global_caps) { |
ab9c17a0 | 933 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
c73c8b1e EBE |
934 | err = -EINVAL; |
935 | goto free_mem; | |
ab9c17a0 JM |
936 | } |
937 | ||
c73c8b1e | 938 | dev->caps.hca_core_clock = hca_param->hca_core_clock; |
ddd8a6c1 | 939 | |
c73c8b1e EBE |
940 | dev->caps.max_qp_dest_rdma = 1 << hca_param->log_rd_per_qp; |
941 | err = mlx4_dev_cap(dev, dev_cap); | |
ab9c17a0 | 942 | if (err) { |
1a91de28 | 943 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
c73c8b1e | 944 | goto free_mem; |
ab9c17a0 JM |
945 | } |
946 | ||
b91cb3eb JM |
947 | err = mlx4_QUERY_FW(dev); |
948 | if (err) | |
1a91de28 | 949 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version\n"); |
b91cb3eb | 950 | |
ab9c17a0 JM |
951 | page_size = ~dev->caps.page_size_cap + 1; |
952 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
953 | if (page_size > PAGE_SIZE) { | |
1a91de28 | 954 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
ab9c17a0 | 955 | page_size, PAGE_SIZE); |
c73c8b1e EBE |
956 | err = -ENODEV; |
957 | goto free_mem; | |
ab9c17a0 JM |
958 | } |
959 | ||
85743f1e | 960 | /* Set uar_page_shift for VF */ |
c73c8b1e | 961 | dev->uar_page_shift = hca_param->uar_page_sz + 12; |
ab9c17a0 | 962 | |
85743f1e HN |
963 | /* Make sure the master uar page size is valid */ |
964 | if (dev->uar_page_shift > PAGE_SHIFT) { | |
965 | mlx4_err(dev, | |
966 | "Invalid configuration: uar page size is larger than system page size\n"); | |
c73c8b1e EBE |
967 | err = -ENODEV; |
968 | goto free_mem; | |
ab9c17a0 JM |
969 | } |
970 | ||
85743f1e | 971 | /* Set reserved_uars based on the uar_page_shift */ |
c73c8b1e | 972 | mlx4_set_num_reserved_uars(dev, dev_cap); |
85743f1e HN |
973 | |
974 | /* Although uar page size in FW differs from system page size, | |
975 | * upper software layers (mlx4_ib, mlx4_en and part of mlx4_core) | |
976 | * still works with assumption that uar page size == system page size | |
977 | */ | |
978 | dev->caps.uar_page_size = PAGE_SIZE; | |
979 | ||
c73c8b1e | 980 | err = mlx4_QUERY_FUNC_CAP(dev, 0, func_cap); |
ab9c17a0 | 981 | if (err) { |
1a91de28 JP |
982 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
983 | err); | |
c73c8b1e | 984 | goto free_mem; |
ab9c17a0 JM |
985 | } |
986 | ||
c73c8b1e | 987 | if ((func_cap->pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != |
ab9c17a0 | 988 | PF_CONTEXT_BEHAVIOUR_MASK) { |
7d077cd3 | 989 | mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n", |
c73c8b1e EBE |
990 | func_cap->pf_context_behaviour, |
991 | PF_CONTEXT_BEHAVIOUR_MASK); | |
992 | err = -EINVAL; | |
993 | goto free_mem; | |
994 | } | |
995 | ||
996 | dev->caps.num_ports = func_cap->num_ports; | |
997 | dev->quotas.qp = func_cap->qp_quota; | |
998 | dev->quotas.srq = func_cap->srq_quota; | |
999 | dev->quotas.cq = func_cap->cq_quota; | |
1000 | dev->quotas.mpt = func_cap->mpt_quota; | |
1001 | dev->quotas.mtt = func_cap->mtt_quota; | |
1002 | dev->caps.num_qps = 1 << hca_param->log_num_qps; | |
1003 | dev->caps.num_srqs = 1 << hca_param->log_num_srqs; | |
1004 | dev->caps.num_cqs = 1 << hca_param->log_num_cqs; | |
1005 | dev->caps.num_mpts = 1 << hca_param->log_mpt_sz; | |
1006 | dev->caps.num_eqs = func_cap->max_eq; | |
1007 | dev->caps.reserved_eqs = func_cap->reserved_eq; | |
1008 | dev->caps.reserved_lkey = func_cap->reserved_lkey; | |
ab9c17a0 JM |
1009 | dev->caps.num_pds = MLX4_NUM_PDS; |
1010 | dev->caps.num_mgms = 0; | |
1011 | dev->caps.num_amgms = 0; | |
1012 | ||
ab9c17a0 | 1013 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
1a91de28 JP |
1014 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
1015 | dev->caps.num_ports, MLX4_MAX_PORTS); | |
542deb88 CIK |
1016 | err = -ENODEV; |
1017 | goto free_mem; | |
ab9c17a0 JM |
1018 | } |
1019 | ||
2b3ddf27 JM |
1020 | mlx4_replace_zero_macs(dev); |
1021 | ||
c73c8b1e EBE |
1022 | err = mlx4_slave_special_qp_cap(dev); |
1023 | if (err) { | |
1024 | mlx4_err(dev, "Set special QP caps failed. aborting\n"); | |
1025 | goto free_mem; | |
6634961c | 1026 | } |
6230bb23 | 1027 | |
ab9c17a0 JM |
1028 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
1029 | dev->caps.reserved_uars) > | |
872bf2fb YH |
1030 | pci_resource_len(dev->persist->pdev, |
1031 | 2)) { | |
1a91de28 | 1032 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
ab9c17a0 | 1033 | dev->caps.uar_page_size * dev->caps.num_uars, |
872bf2fb YH |
1034 | (unsigned long long) |
1035 | pci_resource_len(dev->persist->pdev, 2)); | |
d49c2197 | 1036 | err = -ENOMEM; |
47605df9 | 1037 | goto err_mem; |
ab9c17a0 JM |
1038 | } |
1039 | ||
c73c8b1e | 1040 | if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
08ff3235 OG |
1041 | dev->caps.eqe_size = 64; |
1042 | dev->caps.eqe_factor = 1; | |
1043 | } else { | |
1044 | dev->caps.eqe_size = 32; | |
1045 | dev->caps.eqe_factor = 0; | |
1046 | } | |
1047 | ||
c73c8b1e | 1048 | if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { |
08ff3235 | 1049 | dev->caps.cqe_size = 64; |
77507aa2 | 1050 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
1051 | } else { |
1052 | dev->caps.cqe_size = 32; | |
1053 | } | |
1054 | ||
c73c8b1e EBE |
1055 | if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
1056 | dev->caps.eqe_size = hca_param->eqe_size; | |
77507aa2 IS |
1057 | dev->caps.eqe_factor = 0; |
1058 | } | |
1059 | ||
c73c8b1e EBE |
1060 | if (hca_param->dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { |
1061 | dev->caps.cqe_size = hca_param->cqe_size; | |
77507aa2 IS |
1062 | /* User still need to know when CQE > 32B */ |
1063 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
1064 | } | |
1065 | ||
f9bd2d7f | 1066 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
1a91de28 | 1067 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
f9bd2d7f | 1068 | |
be599603 MS |
1069 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_USER_MAC_EN; |
1070 | mlx4_dbg(dev, "User MAC FW update is not supported in slave mode\n"); | |
1071 | ||
c73c8b1e | 1072 | slave_adjust_steering_mode(dev, dev_cap, hca_param); |
802f42a8 | 1073 | mlx4_dbg(dev, "RSS support for IP fragments is %s\n", |
c73c8b1e | 1074 | hca_param->rss_ip_frags ? "on" : "off"); |
7b8157be | 1075 | |
c73c8b1e | 1076 | if (func_cap->extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP && |
ddae0349 EE |
1077 | dev->caps.bf_reg_size) |
1078 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP; | |
1079 | ||
c73c8b1e | 1080 | if (func_cap->extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP) |
d57febe1 MB |
1081 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP; |
1082 | ||
47605df9 | 1083 | err_mem: |
c73c8b1e EBE |
1084 | if (err) |
1085 | mlx4_slave_destroy_special_qp_cap(dev); | |
1086 | free_mem: | |
1087 | kfree(hca_param); | |
1088 | kfree(func_cap); | |
1089 | kfree(dev_cap); | |
47605df9 | 1090 | return err; |
ab9c17a0 | 1091 | } |
225c7b1f | 1092 | |
b046ffe5 EP |
1093 | static void mlx4_request_modules(struct mlx4_dev *dev) |
1094 | { | |
1095 | int port; | |
1096 | int has_ib_port = false; | |
1097 | int has_eth_port = false; | |
1098 | #define EN_DRV_NAME "mlx4_en" | |
1099 | #define IB_DRV_NAME "mlx4_ib" | |
1100 | ||
1101 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1102 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) | |
1103 | has_ib_port = true; | |
1104 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) | |
1105 | has_eth_port = true; | |
1106 | } | |
1107 | ||
b046ffe5 EP |
1108 | if (has_eth_port) |
1109 | request_module_nowait(EN_DRV_NAME); | |
f24f790f OG |
1110 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
1111 | request_module_nowait(IB_DRV_NAME); | |
b046ffe5 EP |
1112 | } |
1113 | ||
7ff93f8b YP |
1114 | /* |
1115 | * Change the port configuration of the device. | |
1116 | * Every user of this function must hold the port mutex. | |
1117 | */ | |
27bf91d6 YP |
1118 | int mlx4_change_port_types(struct mlx4_dev *dev, |
1119 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
1120 | { |
1121 | int err = 0; | |
1122 | int change = 0; | |
1123 | int port; | |
1124 | ||
1125 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
1126 | /* Change the port type only if the new type is different |
1127 | * from the current, and not set to Auto */ | |
3d8f9308 | 1128 | if (port_types[port] != dev->caps.port_type[port + 1]) |
7ff93f8b | 1129 | change = 1; |
7ff93f8b YP |
1130 | } |
1131 | if (change) { | |
1132 | mlx4_unregister_device(dev); | |
1133 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1134 | mlx4_CLOSE_PORT(dev, port); | |
1e0f03d5 | 1135 | dev->caps.port_type[port] = port_types[port - 1]; |
6634961c | 1136 | err = mlx4_SET_PORT(dev, port, -1); |
7ff93f8b | 1137 | if (err) { |
1a91de28 JP |
1138 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
1139 | port); | |
7ff93f8b YP |
1140 | goto out; |
1141 | } | |
1142 | } | |
1143 | mlx4_set_port_mask(dev); | |
1144 | err = mlx4_register_device(dev); | |
b046ffe5 EP |
1145 | if (err) { |
1146 | mlx4_err(dev, "Failed to register device\n"); | |
1147 | goto out; | |
1148 | } | |
1149 | mlx4_request_modules(dev); | |
7ff93f8b YP |
1150 | } |
1151 | ||
1152 | out: | |
1153 | return err; | |
1154 | } | |
1155 | ||
1156 | static ssize_t show_port_type(struct device *dev, | |
1157 | struct device_attribute *attr, | |
1158 | char *buf) | |
1159 | { | |
1160 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1161 | port_attr); | |
1162 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
1163 | char type[8]; |
1164 | ||
1165 | sprintf(type, "%s", | |
1166 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
1167 | "ib" : "eth"); | |
1168 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
1169 | sprintf(buf, "auto (%s)\n", type); | |
1170 | else | |
1171 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 1172 | |
27bf91d6 | 1173 | return strlen(buf); |
7ff93f8b YP |
1174 | } |
1175 | ||
b2facd95 JP |
1176 | static int __set_port_type(struct mlx4_port_info *info, |
1177 | enum mlx4_port_type port_type) | |
7ff93f8b | 1178 | { |
7ff93f8b YP |
1179 | struct mlx4_dev *mdev = info->dev; |
1180 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1181 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 1182 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
1183 | int i; |
1184 | int err = 0; | |
1185 | ||
33a1f8b1 MG |
1186 | if ((port_type & mdev->caps.supported_type[info->port]) != port_type) { |
1187 | mlx4_err(mdev, | |
1188 | "Requested port type for port %d is not supported on this HCA\n", | |
1189 | info->port); | |
95aac2cd | 1190 | return -EOPNOTSUPP; |
33a1f8b1 MG |
1191 | } |
1192 | ||
27bf91d6 | 1193 | mlx4_stop_sense(mdev); |
7ff93f8b | 1194 | mutex_lock(&priv->port_mutex); |
b2facd95 JP |
1195 | info->tmp_type = port_type; |
1196 | ||
27bf91d6 YP |
1197 | /* Possible type is always the one that was delivered */ |
1198 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
1199 | ||
1200 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 1201 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
1202 | mdev->caps.possible_type[i+1]; |
1203 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
1204 | types[i] = mdev->caps.port_type[i+1]; | |
1205 | } | |
7ff93f8b | 1206 | |
58a60168 YP |
1207 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
1208 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { | |
27bf91d6 YP |
1209 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
1210 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
1211 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
95aac2cd | 1212 | err = -EOPNOTSUPP; |
27bf91d6 YP |
1213 | } |
1214 | } | |
1215 | } | |
1216 | if (err) { | |
1a91de28 | 1217 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. Set only 'eth' or 'ib' for both ports (should be the same)\n"); |
27bf91d6 YP |
1218 | goto out; |
1219 | } | |
1220 | ||
1221 | mlx4_do_sense_ports(mdev, new_types, types); | |
1222 | ||
1223 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
1224 | if (err) |
1225 | goto out; | |
1226 | ||
27bf91d6 YP |
1227 | /* We are about to apply the changes after the configuration |
1228 | * was verified, no need to remember the temporary types | |
1229 | * any more */ | |
1230 | for (i = 0; i < mdev->caps.num_ports; i++) | |
1231 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 1232 | |
27bf91d6 | 1233 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
1234 | |
1235 | out: | |
27bf91d6 | 1236 | mlx4_start_sense(mdev); |
7ff93f8b | 1237 | mutex_unlock(&priv->port_mutex); |
95aac2cd | 1238 | |
b2facd95 JP |
1239 | return err; |
1240 | } | |
1241 | ||
1242 | static ssize_t set_port_type(struct device *dev, | |
1243 | struct device_attribute *attr, | |
1244 | const char *buf, size_t count) | |
1245 | { | |
1246 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1247 | port_attr); | |
1248 | struct mlx4_dev *mdev = info->dev; | |
1249 | enum mlx4_port_type port_type; | |
1250 | static DEFINE_MUTEX(set_port_type_mutex); | |
1251 | int err; | |
1252 | ||
1253 | mutex_lock(&set_port_type_mutex); | |
1254 | ||
1255 | if (!strcmp(buf, "ib\n")) { | |
1256 | port_type = MLX4_PORT_TYPE_IB; | |
1257 | } else if (!strcmp(buf, "eth\n")) { | |
1258 | port_type = MLX4_PORT_TYPE_ETH; | |
1259 | } else if (!strcmp(buf, "auto\n")) { | |
1260 | port_type = MLX4_PORT_TYPE_AUTO; | |
1261 | } else { | |
1262 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
1263 | err = -EINVAL; | |
1264 | goto err_out; | |
1265 | } | |
1266 | ||
1267 | err = __set_port_type(info, port_type); | |
1268 | ||
0a984556 AV |
1269 | err_out: |
1270 | mutex_unlock(&set_port_type_mutex); | |
1271 | ||
7ff93f8b YP |
1272 | return err ? err : count; |
1273 | } | |
1274 | ||
096335b3 OG |
1275 | enum ibta_mtu { |
1276 | IB_MTU_256 = 1, | |
1277 | IB_MTU_512 = 2, | |
1278 | IB_MTU_1024 = 3, | |
1279 | IB_MTU_2048 = 4, | |
1280 | IB_MTU_4096 = 5 | |
1281 | }; | |
1282 | ||
1283 | static inline int int_to_ibta_mtu(int mtu) | |
1284 | { | |
1285 | switch (mtu) { | |
1286 | case 256: return IB_MTU_256; | |
1287 | case 512: return IB_MTU_512; | |
1288 | case 1024: return IB_MTU_1024; | |
1289 | case 2048: return IB_MTU_2048; | |
1290 | case 4096: return IB_MTU_4096; | |
1291 | default: return -1; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) | |
1296 | { | |
1297 | switch (mtu) { | |
1298 | case IB_MTU_256: return 256; | |
1299 | case IB_MTU_512: return 512; | |
1300 | case IB_MTU_1024: return 1024; | |
1301 | case IB_MTU_2048: return 2048; | |
1302 | case IB_MTU_4096: return 4096; | |
1303 | default: return -1; | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | static ssize_t show_port_ib_mtu(struct device *dev, | |
1308 | struct device_attribute *attr, | |
1309 | char *buf) | |
1310 | { | |
1311 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1312 | port_mtu_attr); | |
1313 | struct mlx4_dev *mdev = info->dev; | |
1314 | ||
1315 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) | |
1316 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1317 | ||
1318 | sprintf(buf, "%d\n", | |
1319 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); | |
1320 | return strlen(buf); | |
1321 | } | |
1322 | ||
1323 | static ssize_t set_port_ib_mtu(struct device *dev, | |
1324 | struct device_attribute *attr, | |
1325 | const char *buf, size_t count) | |
1326 | { | |
1327 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1328 | port_mtu_attr); | |
1329 | struct mlx4_dev *mdev = info->dev; | |
1330 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1331 | int err, port, mtu, ibta_mtu = -1; | |
1332 | ||
1333 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { | |
1334 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1335 | return -EINVAL; | |
1336 | } | |
1337 | ||
618fad95 DB |
1338 | err = kstrtoint(buf, 0, &mtu); |
1339 | if (!err) | |
096335b3 OG |
1340 | ibta_mtu = int_to_ibta_mtu(mtu); |
1341 | ||
618fad95 | 1342 | if (err || ibta_mtu < 0) { |
096335b3 OG |
1343 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
1344 | return -EINVAL; | |
1345 | } | |
1346 | ||
1347 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; | |
1348 | ||
1349 | mlx4_stop_sense(mdev); | |
1350 | mutex_lock(&priv->port_mutex); | |
1351 | mlx4_unregister_device(mdev); | |
1352 | for (port = 1; port <= mdev->caps.num_ports; port++) { | |
1353 | mlx4_CLOSE_PORT(mdev, port); | |
6634961c | 1354 | err = mlx4_SET_PORT(mdev, port, -1); |
096335b3 | 1355 | if (err) { |
1a91de28 JP |
1356 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
1357 | port); | |
096335b3 OG |
1358 | goto err_set_port; |
1359 | } | |
1360 | } | |
1361 | err = mlx4_register_device(mdev); | |
1362 | err_set_port: | |
1363 | mutex_unlock(&priv->port_mutex); | |
1364 | mlx4_start_sense(mdev); | |
1365 | return err ? err : count; | |
1366 | } | |
1367 | ||
e57968a1 MS |
1368 | /* bond for multi-function device */ |
1369 | #define MAX_MF_BOND_ALLOWED_SLAVES 63 | |
1370 | static int mlx4_mf_bond(struct mlx4_dev *dev) | |
1371 | { | |
1372 | int err = 0; | |
00ada910 | 1373 | int nvfs; |
e57968a1 MS |
1374 | struct mlx4_slaves_pport slaves_port1; |
1375 | struct mlx4_slaves_pport slaves_port2; | |
1376 | DECLARE_BITMAP(slaves_port_1_2, MLX4_MFUNC_MAX); | |
1377 | ||
1378 | slaves_port1 = mlx4_phys_to_slaves_pport(dev, 1); | |
1379 | slaves_port2 = mlx4_phys_to_slaves_pport(dev, 2); | |
1380 | bitmap_and(slaves_port_1_2, | |
1381 | slaves_port1.slaves, slaves_port2.slaves, | |
1382 | dev->persist->num_vfs + 1); | |
1383 | ||
1384 | /* only single port vfs are allowed */ | |
1385 | if (bitmap_weight(slaves_port_1_2, dev->persist->num_vfs + 1) > 1) { | |
1386 | mlx4_warn(dev, "HA mode unsupported for dual ported VFs\n"); | |
1387 | return -EINVAL; | |
1388 | } | |
1389 | ||
00ada910 MS |
1390 | /* number of virtual functions is number of total functions minus one |
1391 | * physical function for each port. | |
1392 | */ | |
1393 | nvfs = bitmap_weight(slaves_port1.slaves, dev->persist->num_vfs + 1) + | |
1394 | bitmap_weight(slaves_port2.slaves, dev->persist->num_vfs + 1) - 2; | |
1395 | ||
e57968a1 | 1396 | /* limit on maximum allowed VFs */ |
00ada910 MS |
1397 | if (nvfs > MAX_MF_BOND_ALLOWED_SLAVES) { |
1398 | mlx4_warn(dev, "HA mode is not supported for %d VFs (max %d are allowed)\n", | |
1399 | nvfs, MAX_MF_BOND_ALLOWED_SLAVES); | |
e57968a1 | 1400 | return -EINVAL; |
00ada910 | 1401 | } |
e57968a1 MS |
1402 | |
1403 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1404 | mlx4_warn(dev, "HA mode unsupported for NON DMFS steering\n"); | |
1405 | return -EINVAL; | |
1406 | } | |
1407 | ||
1408 | err = mlx4_bond_mac_table(dev); | |
1409 | if (err) | |
1410 | return err; | |
1411 | err = mlx4_bond_vlan_table(dev); | |
1412 | if (err) | |
1413 | goto err1; | |
1414 | err = mlx4_bond_fs_rules(dev); | |
1415 | if (err) | |
1416 | goto err2; | |
1417 | ||
1418 | return 0; | |
1419 | err2: | |
1420 | (void)mlx4_unbond_vlan_table(dev); | |
1421 | err1: | |
1422 | (void)mlx4_unbond_mac_table(dev); | |
1423 | return err; | |
1424 | } | |
1425 | ||
1426 | static int mlx4_mf_unbond(struct mlx4_dev *dev) | |
1427 | { | |
1428 | int ret, ret1; | |
1429 | ||
1430 | ret = mlx4_unbond_fs_rules(dev); | |
1431 | if (ret) | |
26ff7585 | 1432 | mlx4_warn(dev, "multifunction unbond for flow rules failed (%d)\n", ret); |
e57968a1 MS |
1433 | ret1 = mlx4_unbond_mac_table(dev); |
1434 | if (ret1) { | |
1435 | mlx4_warn(dev, "multifunction unbond for MAC table failed (%d)\n", ret1); | |
1436 | ret = ret1; | |
1437 | } | |
1438 | ret1 = mlx4_unbond_vlan_table(dev); | |
1439 | if (ret1) { | |
1440 | mlx4_warn(dev, "multifunction unbond for VLAN table failed (%d)\n", ret1); | |
1441 | ret = ret1; | |
1442 | } | |
1443 | return ret; | |
1444 | } | |
1445 | ||
53f33ae2 MS |
1446 | int mlx4_bond(struct mlx4_dev *dev) |
1447 | { | |
1448 | int ret = 0; | |
1449 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1450 | ||
1451 | mutex_lock(&priv->bond_mutex); | |
1452 | ||
e57968a1 | 1453 | if (!mlx4_is_bonded(dev)) { |
53f33ae2 | 1454 | ret = mlx4_do_bond(dev, true); |
e57968a1 MS |
1455 | if (ret) |
1456 | mlx4_err(dev, "Failed to bond device: %d\n", ret); | |
1457 | if (!ret && mlx4_is_master(dev)) { | |
1458 | ret = mlx4_mf_bond(dev); | |
1459 | if (ret) { | |
1460 | mlx4_err(dev, "bond for multifunction failed\n"); | |
1461 | mlx4_do_bond(dev, false); | |
1462 | } | |
1463 | } | |
1464 | } | |
53f33ae2 MS |
1465 | |
1466 | mutex_unlock(&priv->bond_mutex); | |
e57968a1 | 1467 | if (!ret) |
53f33ae2 | 1468 | mlx4_dbg(dev, "Device is bonded\n"); |
e57968a1 | 1469 | |
53f33ae2 MS |
1470 | return ret; |
1471 | } | |
1472 | EXPORT_SYMBOL_GPL(mlx4_bond); | |
1473 | ||
1474 | int mlx4_unbond(struct mlx4_dev *dev) | |
1475 | { | |
1476 | int ret = 0; | |
1477 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1478 | ||
1479 | mutex_lock(&priv->bond_mutex); | |
1480 | ||
e57968a1 MS |
1481 | if (mlx4_is_bonded(dev)) { |
1482 | int ret2 = 0; | |
1483 | ||
53f33ae2 | 1484 | ret = mlx4_do_bond(dev, false); |
e57968a1 MS |
1485 | if (ret) |
1486 | mlx4_err(dev, "Failed to unbond device: %d\n", ret); | |
1487 | if (mlx4_is_master(dev)) | |
1488 | ret2 = mlx4_mf_unbond(dev); | |
1489 | if (ret2) { | |
1490 | mlx4_warn(dev, "Failed to unbond device for multifunction (%d)\n", ret2); | |
1491 | ret = ret2; | |
1492 | } | |
1493 | } | |
53f33ae2 MS |
1494 | |
1495 | mutex_unlock(&priv->bond_mutex); | |
e57968a1 | 1496 | if (!ret) |
53f33ae2 | 1497 | mlx4_dbg(dev, "Device is unbonded\n"); |
e57968a1 | 1498 | |
53f33ae2 MS |
1499 | return ret; |
1500 | } | |
1501 | EXPORT_SYMBOL_GPL(mlx4_unbond); | |
1502 | ||
1503 | ||
1504 | int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) | |
1505 | { | |
1506 | u8 port1 = v2p->port1; | |
1507 | u8 port2 = v2p->port2; | |
1508 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1509 | int err; | |
1510 | ||
1511 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)) | |
423b3aec | 1512 | return -EOPNOTSUPP; |
53f33ae2 MS |
1513 | |
1514 | mutex_lock(&priv->bond_mutex); | |
1515 | ||
1516 | /* zero means keep current mapping for this port */ | |
1517 | if (port1 == 0) | |
1518 | port1 = priv->v2p.port1; | |
1519 | if (port2 == 0) | |
1520 | port2 = priv->v2p.port2; | |
1521 | ||
1522 | if ((port1 < 1) || (port1 > MLX4_MAX_PORTS) || | |
1523 | (port2 < 1) || (port2 > MLX4_MAX_PORTS) || | |
1524 | (port1 == 2 && port2 == 1)) { | |
1525 | /* besides boundary checks cross mapping makes | |
1526 | * no sense and therefore not allowed */ | |
1527 | err = -EINVAL; | |
1528 | } else if ((port1 == priv->v2p.port1) && | |
1529 | (port2 == priv->v2p.port2)) { | |
1530 | err = 0; | |
1531 | } else { | |
1532 | err = mlx4_virt2phy_port_map(dev, port1, port2); | |
1533 | if (!err) { | |
1534 | mlx4_dbg(dev, "port map changed: [%d][%d]\n", | |
1535 | port1, port2); | |
1536 | priv->v2p.port1 = port1; | |
1537 | priv->v2p.port2 = port2; | |
1538 | } else { | |
1539 | mlx4_err(dev, "Failed to change port mape: %d\n", err); | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | mutex_unlock(&priv->bond_mutex); | |
1544 | return err; | |
1545 | } | |
1546 | EXPORT_SYMBOL_GPL(mlx4_port_map_set); | |
1547 | ||
e8f9b2ed | 1548 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
1549 | { |
1550 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1551 | int err; | |
1552 | ||
1553 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 1554 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1555 | if (!priv->fw.fw_icm) { |
1a91de28 | 1556 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
225c7b1f RD |
1557 | return -ENOMEM; |
1558 | } | |
1559 | ||
1560 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
1561 | if (err) { | |
1a91de28 | 1562 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
225c7b1f RD |
1563 | goto err_free; |
1564 | } | |
1565 | ||
1566 | err = mlx4_RUN_FW(dev); | |
1567 | if (err) { | |
1a91de28 | 1568 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
225c7b1f RD |
1569 | goto err_unmap_fa; |
1570 | } | |
1571 | ||
1572 | return 0; | |
1573 | ||
1574 | err_unmap_fa: | |
1575 | mlx4_UNMAP_FA(dev); | |
1576 | ||
1577 | err_free: | |
5b0bf5e2 | 1578 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
1579 | return err; |
1580 | } | |
1581 | ||
e8f9b2ed RD |
1582 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
1583 | int cmpt_entry_sz) | |
225c7b1f RD |
1584 | { |
1585 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1586 | int err; | |
ab9c17a0 | 1587 | int num_eqs; |
225c7b1f RD |
1588 | |
1589 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
1590 | cmpt_base + | |
1591 | ((u64) (MLX4_CMPT_TYPE_QP * | |
1592 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1593 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
1594 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1595 | 0, 0); | |
225c7b1f RD |
1596 | if (err) |
1597 | goto err; | |
1598 | ||
1599 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
1600 | cmpt_base + | |
1601 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
1602 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1603 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 1604 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
1605 | if (err) |
1606 | goto err_qp; | |
1607 | ||
1608 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
1609 | cmpt_base + | |
1610 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
1611 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1612 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 1613 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
1614 | if (err) |
1615 | goto err_srq; | |
1616 | ||
7ae0e400 | 1617 | num_eqs = dev->phys_caps.num_phys_eqs; |
225c7b1f RD |
1618 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
1619 | cmpt_base + | |
1620 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
1621 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 1622 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
1623 | if (err) |
1624 | goto err_cq; | |
1625 | ||
1626 | return 0; | |
1627 | ||
1628 | err_cq: | |
1629 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1630 | ||
1631 | err_srq: | |
1632 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1633 | ||
1634 | err_qp: | |
1635 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1636 | ||
1637 | err: | |
1638 | return err; | |
1639 | } | |
1640 | ||
3d73c288 RD |
1641 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
1642 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
1643 | { |
1644 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1645 | u64 aux_pages; | |
ab9c17a0 | 1646 | int num_eqs; |
225c7b1f RD |
1647 | int err; |
1648 | ||
1649 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
1650 | if (err) { | |
1a91de28 | 1651 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
225c7b1f RD |
1652 | return err; |
1653 | } | |
1654 | ||
1a91de28 | 1655 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory\n", |
225c7b1f RD |
1656 | (unsigned long long) icm_size >> 10, |
1657 | (unsigned long long) aux_pages << 2); | |
1658 | ||
1659 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 1660 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1661 | if (!priv->fw.aux_icm) { |
1a91de28 | 1662 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
225c7b1f RD |
1663 | return -ENOMEM; |
1664 | } | |
1665 | ||
1666 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
1667 | if (err) { | |
1a91de28 | 1668 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
225c7b1f RD |
1669 | goto err_free_aux; |
1670 | } | |
1671 | ||
1672 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
1673 | if (err) { | |
1a91de28 | 1674 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
225c7b1f RD |
1675 | goto err_unmap_aux; |
1676 | } | |
1677 | ||
ab9c17a0 | 1678 | |
7ae0e400 | 1679 | num_eqs = dev->phys_caps.num_phys_eqs; |
fa0681d2 RD |
1680 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
1681 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 1682 | num_eqs, num_eqs, 0, 0); |
225c7b1f | 1683 | if (err) { |
1a91de28 | 1684 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
225c7b1f RD |
1685 | goto err_unmap_cmpt; |
1686 | } | |
1687 | ||
d7bb58fb JM |
1688 | /* |
1689 | * Reserved MTT entries must be aligned up to a cacheline | |
1690 | * boundary, since the FW will write to them, while the driver | |
1691 | * writes to all other MTT entries. (The variable | |
1692 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
1693 | * size, not the raw entry size) | |
1694 | */ | |
1695 | dev->caps.reserved_mtts = | |
1696 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
1697 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
1698 | ||
225c7b1f RD |
1699 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
1700 | init_hca->mtt_base, | |
1701 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 1702 | dev->caps.num_mtts, |
5b0bf5e2 | 1703 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f | 1704 | if (err) { |
1a91de28 | 1705 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
225c7b1f RD |
1706 | goto err_unmap_eq; |
1707 | } | |
1708 | ||
1709 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
1710 | init_hca->dmpt_base, | |
1711 | dev_cap->dmpt_entry_sz, | |
1712 | dev->caps.num_mpts, | |
5b0bf5e2 | 1713 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f | 1714 | if (err) { |
1a91de28 | 1715 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
225c7b1f RD |
1716 | goto err_unmap_mtt; |
1717 | } | |
1718 | ||
1719 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
1720 | init_hca->qpc_base, | |
1721 | dev_cap->qpc_entry_sz, | |
1722 | dev->caps.num_qps, | |
93fc9e1b YP |
1723 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1724 | 0, 0); | |
225c7b1f | 1725 | if (err) { |
1a91de28 | 1726 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
225c7b1f RD |
1727 | goto err_unmap_dmpt; |
1728 | } | |
1729 | ||
1730 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
1731 | init_hca->auxc_base, | |
1732 | dev_cap->aux_entry_sz, | |
1733 | dev->caps.num_qps, | |
93fc9e1b YP |
1734 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1735 | 0, 0); | |
225c7b1f | 1736 | if (err) { |
1a91de28 | 1737 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
225c7b1f RD |
1738 | goto err_unmap_qp; |
1739 | } | |
1740 | ||
1741 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
1742 | init_hca->altc_base, | |
1743 | dev_cap->altc_entry_sz, | |
1744 | dev->caps.num_qps, | |
93fc9e1b YP |
1745 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1746 | 0, 0); | |
225c7b1f | 1747 | if (err) { |
1a91de28 | 1748 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
225c7b1f RD |
1749 | goto err_unmap_auxc; |
1750 | } | |
1751 | ||
1752 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
1753 | init_hca->rdmarc_base, | |
1754 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
1755 | dev->caps.num_qps, | |
93fc9e1b YP |
1756 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1757 | 0, 0); | |
225c7b1f RD |
1758 | if (err) { |
1759 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
1760 | goto err_unmap_altc; | |
1761 | } | |
1762 | ||
1763 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
1764 | init_hca->cqc_base, | |
1765 | dev_cap->cqc_entry_sz, | |
1766 | dev->caps.num_cqs, | |
5b0bf5e2 | 1767 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f | 1768 | if (err) { |
1a91de28 | 1769 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
225c7b1f RD |
1770 | goto err_unmap_rdmarc; |
1771 | } | |
1772 | ||
1773 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
1774 | init_hca->srqc_base, | |
1775 | dev_cap->srq_entry_sz, | |
1776 | dev->caps.num_srqs, | |
5b0bf5e2 | 1777 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f | 1778 | if (err) { |
1a91de28 | 1779 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
225c7b1f RD |
1780 | goto err_unmap_cq; |
1781 | } | |
1782 | ||
1783 | /* | |
0ff1fb65 HHZ |
1784 | * For flow steering device managed mode it is required to use |
1785 | * mlx4_init_icm_table. For B0 steering mode it's not strictly | |
1786 | * required, but for simplicity just map the whole multicast | |
1787 | * group table now. The table isn't very big and it's a lot | |
1788 | * easier than trying to track ref counts. | |
225c7b1f RD |
1789 | */ |
1790 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
1791 | init_hca->mc_base, |
1792 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
1793 | dev->caps.num_mgms + dev->caps.num_amgms, |
1794 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 1795 | 0, 0); |
225c7b1f | 1796 | if (err) { |
1a91de28 | 1797 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
225c7b1f RD |
1798 | goto err_unmap_srq; |
1799 | } | |
1800 | ||
1801 | return 0; | |
1802 | ||
1803 | err_unmap_srq: | |
1804 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1805 | ||
1806 | err_unmap_cq: | |
1807 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1808 | ||
1809 | err_unmap_rdmarc: | |
1810 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1811 | ||
1812 | err_unmap_altc: | |
1813 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1814 | ||
1815 | err_unmap_auxc: | |
1816 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1817 | ||
1818 | err_unmap_qp: | |
1819 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1820 | ||
1821 | err_unmap_dmpt: | |
1822 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1823 | ||
1824 | err_unmap_mtt: | |
1825 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
1826 | ||
1827 | err_unmap_eq: | |
fa0681d2 | 1828 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1829 | |
1830 | err_unmap_cmpt: | |
1831 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
1832 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1833 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1834 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1835 | ||
1836 | err_unmap_aux: | |
1837 | mlx4_UNMAP_ICM_AUX(dev); | |
1838 | ||
1839 | err_free_aux: | |
5b0bf5e2 | 1840 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1841 | |
1842 | return err; | |
1843 | } | |
1844 | ||
1845 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
1846 | { | |
1847 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1848 | ||
1849 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
1850 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1851 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1852 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1853 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1854 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1855 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1856 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1857 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 1858 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1859 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
1860 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1861 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1862 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
1863 | |
1864 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 1865 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1866 | } |
1867 | ||
ab9c17a0 JM |
1868 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
1869 | { | |
1870 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1871 | ||
f3d4c89e | 1872 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
0cd93027 YH |
1873 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, |
1874 | MLX4_COMM_TIME)) | |
1a91de28 | 1875 | mlx4_warn(dev, "Failed to close slave function\n"); |
f3d4c89e | 1876 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1877 | } |
1878 | ||
c1b43dca EC |
1879 | static int map_bf_area(struct mlx4_dev *dev) |
1880 | { | |
1881 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1882 | resource_size_t bf_start; | |
1883 | resource_size_t bf_len; | |
1884 | int err = 0; | |
1885 | ||
3d747473 JM |
1886 | if (!dev->caps.bf_reg_size) |
1887 | return -ENXIO; | |
1888 | ||
872bf2fb | 1889 | bf_start = pci_resource_start(dev->persist->pdev, 2) + |
ab9c17a0 | 1890 | (dev->caps.num_uars << PAGE_SHIFT); |
872bf2fb | 1891 | bf_len = pci_resource_len(dev->persist->pdev, 2) - |
ab9c17a0 | 1892 | (dev->caps.num_uars << PAGE_SHIFT); |
c1b43dca EC |
1893 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
1894 | if (!priv->bf_mapping) | |
1895 | err = -ENOMEM; | |
1896 | ||
1897 | return err; | |
1898 | } | |
1899 | ||
1900 | static void unmap_bf_area(struct mlx4_dev *dev) | |
1901 | { | |
1902 | if (mlx4_priv(dev)->bf_mapping) | |
1903 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
1904 | } | |
1905 | ||
a5a1d1c2 | 1906 | u64 mlx4_read_clock(struct mlx4_dev *dev) |
ec693d47 AV |
1907 | { |
1908 | u32 clockhi, clocklo, clockhi1; | |
a5a1d1c2 | 1909 | u64 cycles; |
ec693d47 AV |
1910 | int i; |
1911 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1912 | ||
1913 | for (i = 0; i < 10; i++) { | |
1914 | clockhi = swab32(readl(priv->clock_mapping)); | |
1915 | clocklo = swab32(readl(priv->clock_mapping + 4)); | |
1916 | clockhi1 = swab32(readl(priv->clock_mapping)); | |
1917 | if (clockhi == clockhi1) | |
1918 | break; | |
1919 | } | |
1920 | ||
1921 | cycles = (u64) clockhi << 32 | (u64) clocklo; | |
1922 | ||
1923 | return cycles; | |
1924 | } | |
1925 | EXPORT_SYMBOL_GPL(mlx4_read_clock); | |
1926 | ||
1927 | ||
ddd8a6c1 EE |
1928 | static int map_internal_clock(struct mlx4_dev *dev) |
1929 | { | |
1930 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1931 | ||
1932 | priv->clock_mapping = | |
872bf2fb YH |
1933 | ioremap(pci_resource_start(dev->persist->pdev, |
1934 | priv->fw.clock_bar) + | |
ddd8a6c1 EE |
1935 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); |
1936 | ||
1937 | if (!priv->clock_mapping) | |
1938 | return -ENOMEM; | |
1939 | ||
1940 | return 0; | |
1941 | } | |
1942 | ||
52033cfb MB |
1943 | int mlx4_get_internal_clock_params(struct mlx4_dev *dev, |
1944 | struct mlx4_clock_params *params) | |
1945 | { | |
1946 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1947 | ||
1948 | if (mlx4_is_slave(dev)) | |
423b3aec | 1949 | return -EOPNOTSUPP; |
52033cfb MB |
1950 | |
1951 | if (!params) | |
1952 | return -EINVAL; | |
1953 | ||
1954 | params->bar = priv->fw.clock_bar; | |
1955 | params->offset = priv->fw.clock_offset; | |
1956 | params->size = MLX4_CLOCK_SIZE; | |
1957 | ||
1958 | return 0; | |
1959 | } | |
1960 | EXPORT_SYMBOL_GPL(mlx4_get_internal_clock_params); | |
1961 | ||
ddd8a6c1 EE |
1962 | static void unmap_internal_clock(struct mlx4_dev *dev) |
1963 | { | |
1964 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1965 | ||
1966 | if (priv->clock_mapping) | |
1967 | iounmap(priv->clock_mapping); | |
1968 | } | |
1969 | ||
225c7b1f RD |
1970 | static void mlx4_close_hca(struct mlx4_dev *dev) |
1971 | { | |
ddd8a6c1 | 1972 | unmap_internal_clock(dev); |
c1b43dca | 1973 | unmap_bf_area(dev); |
ab9c17a0 JM |
1974 | if (mlx4_is_slave(dev)) |
1975 | mlx4_slave_exit(dev); | |
1976 | else { | |
1977 | mlx4_CLOSE_HCA(dev, 0); | |
1978 | mlx4_free_icms(dev); | |
a0eacca9 MB |
1979 | } |
1980 | } | |
1981 | ||
1982 | static void mlx4_close_fw(struct mlx4_dev *dev) | |
1983 | { | |
1984 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
1985 | mlx4_UNMAP_FA(dev); |
1986 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
1987 | } | |
1988 | } | |
1989 | ||
55ad3592 YH |
1990 | static int mlx4_comm_check_offline(struct mlx4_dev *dev) |
1991 | { | |
1992 | #define COMM_CHAN_OFFLINE_OFFSET 0x09 | |
1993 | ||
1994 | u32 comm_flags; | |
1995 | u32 offline_bit; | |
1996 | unsigned long end; | |
1997 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1998 | ||
1999 | end = msecs_to_jiffies(MLX4_COMM_OFFLINE_TIME_OUT) + jiffies; | |
2000 | while (time_before(jiffies, end)) { | |
2001 | comm_flags = swab32(readl((__iomem char *)priv->mfunc.comm + | |
2002 | MLX4_COMM_CHAN_FLAGS)); | |
2003 | offline_bit = (comm_flags & | |
2004 | (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); | |
2005 | if (!offline_bit) | |
2006 | return 0; | |
4cbe4dac JM |
2007 | |
2008 | /* If device removal has been requested, | |
2009 | * do not continue retrying. | |
2010 | */ | |
2011 | if (dev->persist->interface_state & | |
2012 | MLX4_INTERFACE_STATE_NOWAIT) | |
2013 | break; | |
2014 | ||
55ad3592 YH |
2015 | /* There are cases as part of AER/Reset flow that PF needs |
2016 | * around 100 msec to load. We therefore sleep for 100 msec | |
2017 | * to allow other tasks to make use of that CPU during this | |
2018 | * time interval. | |
2019 | */ | |
2020 | msleep(100); | |
2021 | } | |
2022 | mlx4_err(dev, "Communication channel is offline.\n"); | |
2023 | return -EIO; | |
2024 | } | |
2025 | ||
2026 | static void mlx4_reset_vf_support(struct mlx4_dev *dev) | |
2027 | { | |
2028 | #define COMM_CHAN_RST_OFFSET 0x1e | |
2029 | ||
2030 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2031 | u32 comm_rst; | |
2032 | u32 comm_caps; | |
2033 | ||
2034 | comm_caps = swab32(readl((__iomem char *)priv->mfunc.comm + | |
2035 | MLX4_COMM_CHAN_CAPS)); | |
2036 | comm_rst = (comm_caps & (u32)(1 << COMM_CHAN_RST_OFFSET)); | |
2037 | ||
2038 | if (comm_rst) | |
2039 | dev->caps.vf_caps |= MLX4_VF_CAP_FLAG_RESET; | |
2040 | } | |
2041 | ||
ab9c17a0 JM |
2042 | static int mlx4_init_slave(struct mlx4_dev *dev) |
2043 | { | |
2044 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2045 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
ab9c17a0 JM |
2046 | int ret_from_reset = 0; |
2047 | u32 slave_read; | |
2048 | u32 cmd_channel_ver; | |
2049 | ||
97989356 | 2050 | if (atomic_read(&pf_loading)) { |
1a91de28 | 2051 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
97989356 AV |
2052 | return -EPROBE_DEFER; |
2053 | } | |
2054 | ||
f3d4c89e | 2055 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 2056 | priv->cmd.max_cmds = 1; |
55ad3592 YH |
2057 | if (mlx4_comm_check_offline(dev)) { |
2058 | mlx4_err(dev, "PF is not responsive, skipping initialization\n"); | |
2059 | goto err_offline; | |
2060 | } | |
2061 | ||
2062 | mlx4_reset_vf_support(dev); | |
ab9c17a0 JM |
2063 | mlx4_warn(dev, "Sending reset\n"); |
2064 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
0cd93027 | 2065 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME); |
ab9c17a0 JM |
2066 | /* if we are in the middle of flr the slave will try |
2067 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
2068 | if (ret_from_reset) { | |
2069 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1a91de28 | 2070 | mlx4_warn(dev, "slave is currently in the middle of FLR - Deferring probe\n"); |
5efe5355 JM |
2071 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
2072 | return -EPROBE_DEFER; | |
ab9c17a0 JM |
2073 | } else |
2074 | goto err; | |
2075 | } | |
2076 | ||
2077 | /* check the driver version - the slave I/F revision | |
2078 | * must match the master's */ | |
2079 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
2080 | cmd_channel_ver = mlx4_comm_get_version(); | |
2081 | ||
2082 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
2083 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1a91de28 | 2084 | mlx4_err(dev, "slave driver version is not supported by the master\n"); |
ab9c17a0 JM |
2085 | goto err; |
2086 | } | |
2087 | ||
2088 | mlx4_warn(dev, "Sending vhcr0\n"); | |
2089 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
0cd93027 | 2090 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
2091 | goto err; |
2092 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
0cd93027 | 2093 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
2094 | goto err; |
2095 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
0cd93027 | 2096 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 | 2097 | goto err; |
0cd93027 YH |
2098 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, |
2099 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) | |
ab9c17a0 | 2100 | goto err; |
f3d4c89e RD |
2101 | |
2102 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
ab9c17a0 JM |
2103 | return 0; |
2104 | ||
2105 | err: | |
0cd93027 | 2106 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, 0); |
55ad3592 | 2107 | err_offline: |
f3d4c89e | 2108 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 2109 | return -EIO; |
225c7b1f RD |
2110 | } |
2111 | ||
6634961c JM |
2112 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
2113 | { | |
2114 | int i; | |
2115 | ||
2116 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
b6ffaeff JM |
2117 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
2118 | dev->caps.gid_table_len[i] = | |
449fc488 | 2119 | mlx4_get_slave_num_gids(dev, 0, i); |
b6ffaeff JM |
2120 | else |
2121 | dev->caps.gid_table_len[i] = 1; | |
6634961c JM |
2122 | dev->caps.pkey_table_len[i] = |
2123 | dev->phys_caps.pkey_phys_table_len[i] - 1; | |
2124 | } | |
2125 | } | |
2126 | ||
3c439b55 JM |
2127 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
2128 | { | |
2129 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; | |
2130 | ||
2131 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; | |
2132 | i++) { | |
2133 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) | |
2134 | break; | |
2135 | } | |
2136 | ||
2137 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; | |
2138 | } | |
2139 | ||
7d077cd3 MB |
2140 | static const char *dmfs_high_rate_steering_mode_str(int dmfs_high_steer_mode) |
2141 | { | |
2142 | switch (dmfs_high_steer_mode) { | |
2143 | case MLX4_STEERING_DMFS_A0_DEFAULT: | |
2144 | return "default performance"; | |
2145 | ||
2146 | case MLX4_STEERING_DMFS_A0_DYNAMIC: | |
2147 | return "dynamic hybrid mode"; | |
2148 | ||
2149 | case MLX4_STEERING_DMFS_A0_STATIC: | |
2150 | return "performance optimized for limited rule configuration (static)"; | |
2151 | ||
2152 | case MLX4_STEERING_DMFS_A0_DISABLE: | |
2153 | return "disabled performance optimized steering"; | |
2154 | ||
2155 | case MLX4_STEERING_DMFS_A0_NOT_SUPPORTED: | |
2156 | return "performance optimized steering not supported"; | |
2157 | ||
2158 | default: | |
2159 | return "Unrecognized mode"; | |
2160 | } | |
2161 | } | |
2162 | ||
2163 | #define MLX4_DMFS_A0_STEERING (1UL << 2) | |
2164 | ||
7b8157be JM |
2165 | static void choose_steering_mode(struct mlx4_dev *dev, |
2166 | struct mlx4_dev_cap *dev_cap) | |
2167 | { | |
7d077cd3 MB |
2168 | if (mlx4_log_num_mgm_entry_size <= 0) { |
2169 | if ((-mlx4_log_num_mgm_entry_size) & MLX4_DMFS_A0_STEERING) { | |
2170 | if (dev->caps.dmfs_high_steer_mode == | |
2171 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2172 | mlx4_err(dev, "DMFS high rate mode not supported\n"); | |
2173 | else | |
2174 | dev->caps.dmfs_high_steer_mode = | |
2175 | MLX4_STEERING_DMFS_A0_STATIC; | |
2176 | } | |
2177 | } | |
2178 | ||
2179 | if (mlx4_log_num_mgm_entry_size <= 0 && | |
3c439b55 | 2180 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && |
7b8157be | 2181 | (!mlx4_is_mfunc(dev) || |
872bf2fb YH |
2182 | (dev_cap->fs_max_num_qp_per_entry >= |
2183 | (dev->persist->num_vfs + 1))) && | |
3c439b55 JM |
2184 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
2185 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { | |
2186 | dev->oper_log_mgm_entry_size = | |
2187 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry); | |
7b8157be JM |
2188 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
2189 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
2190 | dev->caps.fs_log_max_ucast_qp_range_size = | |
2191 | dev_cap->fs_log_max_ucast_qp_range_size; | |
2192 | } else { | |
7d077cd3 MB |
2193 | if (dev->caps.dmfs_high_steer_mode != |
2194 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2195 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DISABLE; | |
7b8157be JM |
2196 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
2197 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
2198 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; | |
2199 | else { | |
2200 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; | |
2201 | ||
2202 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || | |
2203 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1a91de28 | 2204 | mlx4_warn(dev, "Must have both UC_STEER and MC_STEER flags set to use B0 steering - falling back to A0 steering mode\n"); |
7b8157be | 2205 | } |
3c439b55 JM |
2206 | dev->oper_log_mgm_entry_size = |
2207 | mlx4_log_num_mgm_entry_size > 0 ? | |
2208 | mlx4_log_num_mgm_entry_size : | |
2209 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; | |
7b8157be JM |
2210 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
2211 | } | |
1a91de28 | 2212 | mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, modparam log_num_mgm_entry_size = %d\n", |
3c439b55 JM |
2213 | mlx4_steering_mode_str(dev->caps.steering_mode), |
2214 | dev->oper_log_mgm_entry_size, | |
2215 | mlx4_log_num_mgm_entry_size); | |
7b8157be JM |
2216 | } |
2217 | ||
7ffdf726 OG |
2218 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
2219 | struct mlx4_dev_cap *dev_cap) | |
2220 | { | |
2221 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && | |
5eff6dad | 2222 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) |
7ffdf726 OG |
2223 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; |
2224 | else | |
2225 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; | |
2226 | ||
2227 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode | |
2228 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); | |
2229 | } | |
2230 | ||
7d077cd3 MB |
2231 | static int mlx4_validate_optimized_steering(struct mlx4_dev *dev) |
2232 | { | |
2233 | int i; | |
2234 | struct mlx4_port_cap port_cap; | |
2235 | ||
2236 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2237 | return -EINVAL; | |
2238 | ||
2239 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
2240 | if (mlx4_dev_port(dev, i, &port_cap)) { | |
2241 | mlx4_err(dev, | |
f4b752a6 | 2242 | "QUERY_DEV_CAP command failed, can't verify DMFS high rate steering.\n"); |
7d077cd3 MB |
2243 | } else if ((dev->caps.dmfs_high_steer_mode != |
2244 | MLX4_STEERING_DMFS_A0_DEFAULT) && | |
2245 | (port_cap.dmfs_optimized_state == | |
2246 | !!(dev->caps.dmfs_high_steer_mode == | |
2247 | MLX4_STEERING_DMFS_A0_DISABLE))) { | |
2248 | mlx4_err(dev, | |
2249 | "DMFS high rate steer mode differ, driver requested %s but %s in FW.\n", | |
2250 | dmfs_high_rate_steering_mode_str( | |
2251 | dev->caps.dmfs_high_steer_mode), | |
2252 | (port_cap.dmfs_optimized_state ? | |
2253 | "enabled" : "disabled")); | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | return 0; | |
2258 | } | |
2259 | ||
a0eacca9 | 2260 | static int mlx4_init_fw(struct mlx4_dev *dev) |
225c7b1f | 2261 | { |
2d928651 | 2262 | struct mlx4_mod_stat_cfg mlx4_cfg; |
a0eacca9 | 2263 | int err = 0; |
225c7b1f | 2264 | |
ab9c17a0 JM |
2265 | if (!mlx4_is_slave(dev)) { |
2266 | err = mlx4_QUERY_FW(dev); | |
2267 | if (err) { | |
2268 | if (err == -EACCES) | |
1a91de28 | 2269 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
ab9c17a0 | 2270 | else |
1a91de28 | 2271 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
bef772eb | 2272 | return err; |
ab9c17a0 | 2273 | } |
225c7b1f | 2274 | |
ab9c17a0 JM |
2275 | err = mlx4_load_fw(dev); |
2276 | if (err) { | |
1a91de28 | 2277 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
bef772eb | 2278 | return err; |
ab9c17a0 | 2279 | } |
225c7b1f | 2280 | |
ab9c17a0 JM |
2281 | mlx4_cfg.log_pg_sz_m = 1; |
2282 | mlx4_cfg.log_pg_sz = 0; | |
2283 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
2284 | if (err) | |
2285 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
a0eacca9 | 2286 | } |
2d928651 | 2287 | |
a0eacca9 MB |
2288 | return err; |
2289 | } | |
2290 | ||
2291 | static int mlx4_init_hca(struct mlx4_dev *dev) | |
2292 | { | |
2293 | struct mlx4_priv *priv = mlx4_priv(dev); | |
9eed21c0 AB |
2294 | struct mlx4_init_hca_param *init_hca = NULL; |
2295 | struct mlx4_dev_cap *dev_cap = NULL; | |
a0eacca9 | 2296 | struct mlx4_adapter adapter; |
a0eacca9 | 2297 | struct mlx4_profile profile; |
a0eacca9 MB |
2298 | u64 icm_size; |
2299 | struct mlx4_config_dev_params params; | |
2300 | int err; | |
2301 | ||
2302 | if (!mlx4_is_slave(dev)) { | |
9eed21c0 AB |
2303 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); |
2304 | init_hca = kzalloc(sizeof(*init_hca), GFP_KERNEL); | |
2305 | ||
2306 | if (!dev_cap || !init_hca) { | |
2307 | err = -ENOMEM; | |
2308 | goto out_free; | |
2309 | } | |
2310 | ||
2311 | err = mlx4_dev_cap(dev, dev_cap); | |
ab9c17a0 | 2312 | if (err) { |
1a91de28 | 2313 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
9eed21c0 | 2314 | goto out_free; |
ab9c17a0 | 2315 | } |
225c7b1f | 2316 | |
9eed21c0 AB |
2317 | choose_steering_mode(dev, dev_cap); |
2318 | choose_tunnel_offload_mode(dev, dev_cap); | |
7b8157be | 2319 | |
7d077cd3 MB |
2320 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC && |
2321 | mlx4_is_master(dev)) | |
2322 | dev->caps.function_caps |= MLX4_FUNC_CAP_DMFS_A0_STATIC; | |
2323 | ||
8e1a28e8 HHZ |
2324 | err = mlx4_get_phys_port_id(dev); |
2325 | if (err) | |
2326 | mlx4_err(dev, "Fail to get physical port id\n"); | |
2327 | ||
6634961c JM |
2328 | if (mlx4_is_master(dev)) |
2329 | mlx4_parav_master_pf_caps(dev); | |
2330 | ||
2599d858 AV |
2331 | if (mlx4_low_memory_profile()) { |
2332 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); | |
2333 | profile = low_mem_profile; | |
2334 | } else { | |
2335 | profile = default_profile; | |
2336 | } | |
0ff1fb65 HHZ |
2337 | if (dev->caps.steering_mode == |
2338 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2339 | profile.num_mcg = MLX4_FS_NUM_MCG; | |
225c7b1f | 2340 | |
9eed21c0 AB |
2341 | icm_size = mlx4_make_profile(dev, &profile, dev_cap, |
2342 | init_hca); | |
ab9c17a0 JM |
2343 | if ((long long) icm_size < 0) { |
2344 | err = icm_size; | |
9eed21c0 | 2345 | goto out_free; |
ab9c17a0 | 2346 | } |
225c7b1f | 2347 | |
a5bbe892 EC |
2348 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
2349 | ||
ca3d89a3 | 2350 | if (enable_4k_uar || !dev->persist->num_vfs) { |
9eed21c0 | 2351 | init_hca->log_uar_sz = ilog2(dev->caps.num_uars) + |
76e39ccf | 2352 | PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT; |
9eed21c0 | 2353 | init_hca->uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12; |
76e39ccf | 2354 | } else { |
9eed21c0 AB |
2355 | init_hca->log_uar_sz = ilog2(dev->caps.num_uars); |
2356 | init_hca->uar_page_sz = PAGE_SHIFT - 12; | |
76e39ccf | 2357 | } |
85743f1e | 2358 | |
9eed21c0 | 2359 | init_hca->mw_enabled = 0; |
e448834e SM |
2360 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
2361 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) | |
9eed21c0 | 2362 | init_hca->mw_enabled = INIT_HCA_TPT_MW_ENABLE; |
c1b43dca | 2363 | |
9eed21c0 | 2364 | err = mlx4_init_icm(dev, dev_cap, init_hca, icm_size); |
ab9c17a0 | 2365 | if (err) |
9eed21c0 | 2366 | goto out_free; |
225c7b1f | 2367 | |
9eed21c0 | 2368 | err = mlx4_INIT_HCA(dev, init_hca); |
ab9c17a0 | 2369 | if (err) { |
1a91de28 | 2370 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
ab9c17a0 JM |
2371 | goto err_free_icm; |
2372 | } | |
7ae0e400 | 2373 | |
9eed21c0 AB |
2374 | if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { |
2375 | err = mlx4_query_func(dev, dev_cap); | |
7ae0e400 MB |
2376 | if (err < 0) { |
2377 | mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n"); | |
d0d01250 | 2378 | goto err_close; |
7ae0e400 | 2379 | } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) { |
9eed21c0 AB |
2380 | dev->caps.num_eqs = dev_cap->max_eqs; |
2381 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2382 | dev->caps.reserved_uars = dev_cap->reserved_uars; | |
7ae0e400 MB |
2383 | } |
2384 | } | |
2385 | ||
ddd8a6c1 EE |
2386 | /* |
2387 | * If TS is supported by FW | |
2388 | * read HCA frequency by QUERY_HCA command | |
2389 | */ | |
2390 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { | |
9eed21c0 | 2391 | err = mlx4_QUERY_HCA(dev, init_hca); |
ddd8a6c1 | 2392 | if (err) { |
1a91de28 | 2393 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
ddd8a6c1 EE |
2394 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
2395 | } else { | |
2396 | dev->caps.hca_core_clock = | |
9eed21c0 | 2397 | init_hca->hca_core_clock; |
ddd8a6c1 EE |
2398 | } |
2399 | ||
2400 | /* In case we got HCA frequency 0 - disable timestamping | |
2401 | * to avoid dividing by zero | |
2402 | */ | |
2403 | if (!dev->caps.hca_core_clock) { | |
2404 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
2405 | mlx4_err(dev, | |
1a91de28 | 2406 | "HCA frequency is 0 - timestamping is not supported\n"); |
ddd8a6c1 EE |
2407 | } else if (map_internal_clock(dev)) { |
2408 | /* | |
2409 | * Map internal clock, | |
2410 | * in case of failure disable timestamping | |
2411 | */ | |
2412 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
1a91de28 | 2413 | mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported\n"); |
ddd8a6c1 EE |
2414 | } |
2415 | } | |
7d077cd3 MB |
2416 | |
2417 | if (dev->caps.dmfs_high_steer_mode != | |
2418 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) { | |
2419 | if (mlx4_validate_optimized_steering(dev)) | |
2420 | mlx4_warn(dev, "Optimized steering validation failed\n"); | |
2421 | ||
2422 | if (dev->caps.dmfs_high_steer_mode == | |
2423 | MLX4_STEERING_DMFS_A0_DISABLE) { | |
2424 | dev->caps.dmfs_high_rate_qpn_base = | |
2425 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
2426 | dev->caps.dmfs_high_rate_qpn_range = | |
2427 | MLX4_A0_STEERING_TABLE_SIZE; | |
2428 | } | |
2429 | ||
4931c6ef SM |
2430 | mlx4_info(dev, "DMFS high rate steer mode is: %s\n", |
2431 | dmfs_high_rate_steering_mode_str( | |
7d077cd3 MB |
2432 | dev->caps.dmfs_high_steer_mode)); |
2433 | } | |
ab9c17a0 JM |
2434 | } else { |
2435 | err = mlx4_init_slave(dev); | |
2436 | if (err) { | |
5efe5355 JM |
2437 | if (err != -EPROBE_DEFER) |
2438 | mlx4_err(dev, "Failed to initialize slave\n"); | |
bef772eb | 2439 | return err; |
ab9c17a0 | 2440 | } |
225c7b1f | 2441 | |
ab9c17a0 JM |
2442 | err = mlx4_slave_cap(dev); |
2443 | if (err) { | |
2444 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
2445 | goto err_close; | |
2446 | } | |
225c7b1f RD |
2447 | } |
2448 | ||
ab9c17a0 JM |
2449 | if (map_bf_area(dev)) |
2450 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
2451 | ||
2452 | /*Only the master set the ports, all the rest got it from it.*/ | |
2453 | if (!mlx4_is_slave(dev)) | |
2454 | mlx4_set_port_mask(dev); | |
2455 | ||
225c7b1f RD |
2456 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
2457 | if (err) { | |
1a91de28 | 2458 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
bef772eb | 2459 | goto unmap_bf; |
225c7b1f RD |
2460 | } |
2461 | ||
f8c6455b SM |
2462 | /* Query CONFIG_DEV parameters */ |
2463 | err = mlx4_config_dev_retrieval(dev, ¶ms); | |
423b3aec | 2464 | if (err && err != -EOPNOTSUPP) { |
f8c6455b SM |
2465 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); |
2466 | } else if (!err) { | |
2467 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; | |
2468 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; | |
2469 | } | |
225c7b1f | 2470 | priv->eq_table.inta_pin = adapter.inta_pin; |
31975e27 | 2471 | memcpy(dev->board_id, adapter.board_id, sizeof(dev->board_id)); |
225c7b1f | 2472 | |
9eed21c0 AB |
2473 | err = 0; |
2474 | goto out_free; | |
225c7b1f | 2475 | |
bef772eb | 2476 | unmap_bf: |
ddd8a6c1 | 2477 | unmap_internal_clock(dev); |
bef772eb AY |
2478 | unmap_bf_area(dev); |
2479 | ||
c73c8b1e EBE |
2480 | if (mlx4_is_slave(dev)) |
2481 | mlx4_slave_destroy_special_qp_cap(dev); | |
b38f2879 | 2482 | |
225c7b1f | 2483 | err_close: |
41929ed2 DB |
2484 | if (mlx4_is_slave(dev)) |
2485 | mlx4_slave_exit(dev); | |
2486 | else | |
2487 | mlx4_CLOSE_HCA(dev, 0); | |
225c7b1f RD |
2488 | |
2489 | err_free_icm: | |
ab9c17a0 JM |
2490 | if (!mlx4_is_slave(dev)) |
2491 | mlx4_free_icms(dev); | |
225c7b1f | 2492 | |
9eed21c0 AB |
2493 | out_free: |
2494 | kfree(dev_cap); | |
2495 | kfree(init_hca); | |
2496 | ||
225c7b1f RD |
2497 | return err; |
2498 | } | |
2499 | ||
f2a3f6a3 OG |
2500 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
2501 | { | |
2502 | struct mlx4_priv *priv = mlx4_priv(dev); | |
47d8417f | 2503 | int nent_pow2; |
f2a3f6a3 OG |
2504 | |
2505 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2506 | return -ENOENT; | |
2507 | ||
2632d18d EBE |
2508 | if (!dev->caps.max_counters) |
2509 | return -ENOSPC; | |
2510 | ||
47d8417f EBE |
2511 | nent_pow2 = roundup_pow_of_two(dev->caps.max_counters); |
2512 | /* reserve last counter index for sink counter */ | |
2513 | return mlx4_bitmap_init(&priv->counters_bitmap, nent_pow2, | |
2514 | nent_pow2 - 1, 0, | |
2515 | nent_pow2 - dev->caps.max_counters + 1); | |
f2a3f6a3 OG |
2516 | } |
2517 | ||
2518 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
2519 | { | |
efa6bc91 EBE |
2520 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2521 | return; | |
2522 | ||
2632d18d EBE |
2523 | if (!dev->caps.max_counters) |
2524 | return; | |
2525 | ||
f2a3f6a3 OG |
2526 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); |
2527 | } | |
2528 | ||
6de5f7f6 EBE |
2529 | static void mlx4_cleanup_default_counters(struct mlx4_dev *dev) |
2530 | { | |
2531 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2532 | int port; | |
2533 | ||
2534 | for (port = 0; port < dev->caps.num_ports; port++) | |
2535 | if (priv->def_counter[port] != -1) | |
2536 | mlx4_counter_free(dev, priv->def_counter[port]); | |
2537 | } | |
2538 | ||
2539 | static int mlx4_allocate_default_counters(struct mlx4_dev *dev) | |
2540 | { | |
2541 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2542 | int port, err = 0; | |
2543 | u32 idx; | |
2544 | ||
2545 | for (port = 0; port < dev->caps.num_ports; port++) | |
2546 | priv->def_counter[port] = -1; | |
2547 | ||
2548 | for (port = 0; port < dev->caps.num_ports; port++) { | |
f3301870 | 2549 | err = mlx4_counter_alloc(dev, &idx, MLX4_RES_USAGE_DRIVER); |
6de5f7f6 EBE |
2550 | |
2551 | if (!err || err == -ENOSPC) { | |
2552 | priv->def_counter[port] = idx; | |
40e47307 | 2553 | err = 0; |
6de5f7f6 EBE |
2554 | } else if (err == -ENOENT) { |
2555 | err = 0; | |
2556 | continue; | |
178d23e3 OG |
2557 | } else if (mlx4_is_slave(dev) && err == -EINVAL) { |
2558 | priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); | |
2559 | mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", | |
2560 | MLX4_SINK_COUNTER_INDEX(dev)); | |
2561 | err = 0; | |
6de5f7f6 EBE |
2562 | } else { |
2563 | mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", | |
2564 | __func__, port + 1, err); | |
2565 | mlx4_cleanup_default_counters(dev); | |
2566 | return err; | |
2567 | } | |
2568 | ||
2569 | mlx4_dbg(dev, "%s: default counter index %d for port %d\n", | |
2570 | __func__, priv->def_counter[port], port + 1); | |
2571 | } | |
2572 | ||
2573 | return err; | |
2574 | } | |
2575 | ||
ba062d52 | 2576 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
f2a3f6a3 OG |
2577 | { |
2578 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2579 | ||
2580 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2581 | return -ENOENT; | |
2582 | ||
2583 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
6de5f7f6 EBE |
2584 | if (*idx == -1) { |
2585 | *idx = MLX4_SINK_COUNTER_INDEX(dev); | |
2586 | return -ENOSPC; | |
2587 | } | |
f2a3f6a3 OG |
2588 | |
2589 | return 0; | |
2590 | } | |
ba062d52 | 2591 | |
f3301870 | 2592 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage) |
ba062d52 | 2593 | { |
f3301870 | 2594 | u32 in_modifier = RES_COUNTER | (((u32)usage & 3) << 30); |
ba062d52 JM |
2595 | u64 out_param; |
2596 | int err; | |
2597 | ||
2598 | if (mlx4_is_mfunc(dev)) { | |
f3301870 | 2599 | err = mlx4_cmd_imm(dev, 0, &out_param, in_modifier, |
ba062d52 JM |
2600 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, |
2601 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); | |
2602 | if (!err) | |
2603 | *idx = get_param_l(&out_param); | |
40e47307 TT |
2604 | if (WARN_ON(err == -ENOSPC)) |
2605 | err = -EINVAL; | |
ba062d52 JM |
2606 | return err; |
2607 | } | |
2608 | return __mlx4_counter_alloc(dev, idx); | |
2609 | } | |
f2a3f6a3 OG |
2610 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
2611 | ||
b72ca7e9 EBE |
2612 | static int __mlx4_clear_if_stat(struct mlx4_dev *dev, |
2613 | u8 counter_index) | |
2614 | { | |
2615 | struct mlx4_cmd_mailbox *if_stat_mailbox; | |
2616 | int err; | |
2617 | u32 if_stat_in_mod = (counter_index & 0xff) | MLX4_QUERY_IF_STAT_RESET; | |
2618 | ||
2619 | if_stat_mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2620 | if (IS_ERR(if_stat_mailbox)) | |
2621 | return PTR_ERR(if_stat_mailbox); | |
2622 | ||
2623 | err = mlx4_cmd_box(dev, 0, if_stat_mailbox->dma, if_stat_in_mod, 0, | |
2624 | MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C, | |
2625 | MLX4_CMD_NATIVE); | |
2626 | ||
2627 | mlx4_free_cmd_mailbox(dev, if_stat_mailbox); | |
2628 | return err; | |
2629 | } | |
2630 | ||
ba062d52 | 2631 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
f2a3f6a3 | 2632 | { |
efa6bc91 EBE |
2633 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2634 | return; | |
2635 | ||
6de5f7f6 EBE |
2636 | if (idx == MLX4_SINK_COUNTER_INDEX(dev)) |
2637 | return; | |
2638 | ||
b72ca7e9 EBE |
2639 | __mlx4_clear_if_stat(dev, idx); |
2640 | ||
7c6d74d2 | 2641 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
f2a3f6a3 OG |
2642 | return; |
2643 | } | |
ba062d52 JM |
2644 | |
2645 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
2646 | { | |
e7dbeba8 | 2647 | u64 in_param = 0; |
ba062d52 JM |
2648 | |
2649 | if (mlx4_is_mfunc(dev)) { | |
2650 | set_param_l(&in_param, idx); | |
2651 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, | |
2652 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, | |
2653 | MLX4_CMD_WRAPPED); | |
2654 | return; | |
2655 | } | |
2656 | __mlx4_counter_free(dev, idx); | |
2657 | } | |
f2a3f6a3 OG |
2658 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
2659 | ||
6de5f7f6 EBE |
2660 | int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port) |
2661 | { | |
2662 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2663 | ||
2664 | return priv->def_counter[port - 1]; | |
2665 | } | |
2666 | EXPORT_SYMBOL_GPL(mlx4_get_default_counter_index); | |
2667 | ||
773af94e YH |
2668 | void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, int port) |
2669 | { | |
2670 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2671 | ||
2672 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2673 | } | |
2674 | EXPORT_SYMBOL_GPL(mlx4_set_admin_guid); | |
2675 | ||
2676 | __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) | |
2677 | { | |
2678 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2679 | ||
2680 | return priv->mfunc.master.vf_admin[entry].vport[port].guid; | |
2681 | } | |
2682 | EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); | |
2683 | ||
fb517a4f YH |
2684 | void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) |
2685 | { | |
2686 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2687 | __be64 guid; | |
2688 | ||
2689 | /* hw GUID */ | |
2690 | if (entry == 0) | |
2691 | return; | |
2692 | ||
2693 | get_random_bytes((char *)&guid, sizeof(guid)); | |
2694 | guid &= ~(cpu_to_be64(1ULL << 56)); | |
2695 | guid |= cpu_to_be64(1ULL << 57); | |
2696 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2697 | } | |
2698 | ||
3d73c288 | 2699 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
2700 | { |
2701 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2702 | int err; | |
7ff93f8b | 2703 | int port; |
9a5aa622 | 2704 | __be32 ib_port_default_caps; |
225c7b1f | 2705 | |
225c7b1f RD |
2706 | err = mlx4_init_uar_table(dev); |
2707 | if (err) { | |
1a91de28 | 2708 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
5d4de16c | 2709 | return err; |
225c7b1f RD |
2710 | } |
2711 | ||
2712 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
2713 | if (err) { | |
1a91de28 | 2714 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
225c7b1f RD |
2715 | goto err_uar_table_free; |
2716 | } | |
2717 | ||
4979d18f | 2718 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f | 2719 | if (!priv->kar) { |
1a91de28 | 2720 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
225c7b1f RD |
2721 | err = -ENOMEM; |
2722 | goto err_uar_free; | |
2723 | } | |
2724 | ||
2725 | err = mlx4_init_pd_table(dev); | |
2726 | if (err) { | |
1a91de28 | 2727 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
225c7b1f RD |
2728 | goto err_kar_unmap; |
2729 | } | |
2730 | ||
012a8ff5 SH |
2731 | err = mlx4_init_xrcd_table(dev); |
2732 | if (err) { | |
1a91de28 | 2733 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
012a8ff5 SH |
2734 | goto err_pd_table_free; |
2735 | } | |
2736 | ||
225c7b1f RD |
2737 | err = mlx4_init_mr_table(dev); |
2738 | if (err) { | |
1a91de28 | 2739 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
012a8ff5 | 2740 | goto err_xrcd_table_free; |
225c7b1f RD |
2741 | } |
2742 | ||
fe6f700d YP |
2743 | if (!mlx4_is_slave(dev)) { |
2744 | err = mlx4_init_mcg_table(dev); | |
2745 | if (err) { | |
1a91de28 | 2746 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
fe6f700d YP |
2747 | goto err_mr_table_free; |
2748 | } | |
114840c3 JM |
2749 | err = mlx4_config_mad_demux(dev); |
2750 | if (err) { | |
2751 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); | |
2752 | goto err_mcg_table_free; | |
2753 | } | |
fe6f700d YP |
2754 | } |
2755 | ||
225c7b1f RD |
2756 | err = mlx4_init_eq_table(dev); |
2757 | if (err) { | |
1a91de28 | 2758 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
fe6f700d | 2759 | goto err_mcg_table_free; |
225c7b1f RD |
2760 | } |
2761 | ||
2762 | err = mlx4_cmd_use_events(dev); | |
2763 | if (err) { | |
1a91de28 | 2764 | mlx4_err(dev, "Failed to switch to event-driven firmware commands, aborting\n"); |
225c7b1f RD |
2765 | goto err_eq_table_free; |
2766 | } | |
2767 | ||
2768 | err = mlx4_NOP(dev); | |
2769 | if (err) { | |
08fb1055 | 2770 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1a91de28 | 2771 | mlx4_warn(dev, "NOP command failed to generate MSI-X interrupt IRQ %d)\n", |
c66fa19c | 2772 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
1a91de28 | 2773 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
08fb1055 | 2774 | } else { |
1a91de28 | 2775 | mlx4_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting\n", |
c66fa19c | 2776 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
225c7b1f | 2777 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 2778 | } |
225c7b1f RD |
2779 | |
2780 | goto err_cmd_poll; | |
2781 | } | |
2782 | ||
2783 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
2784 | ||
2785 | err = mlx4_init_cq_table(dev); | |
2786 | if (err) { | |
1a91de28 | 2787 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
225c7b1f RD |
2788 | goto err_cmd_poll; |
2789 | } | |
2790 | ||
2791 | err = mlx4_init_srq_table(dev); | |
2792 | if (err) { | |
1a91de28 | 2793 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
225c7b1f RD |
2794 | goto err_cq_table_free; |
2795 | } | |
2796 | ||
2797 | err = mlx4_init_qp_table(dev); | |
2798 | if (err) { | |
1a91de28 | 2799 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
225c7b1f RD |
2800 | goto err_srq_table_free; |
2801 | } | |
2802 | ||
2632d18d EBE |
2803 | if (!mlx4_is_slave(dev)) { |
2804 | err = mlx4_init_counters_table(dev); | |
2805 | if (err && err != -ENOENT) { | |
2806 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); | |
2807 | goto err_qp_table_free; | |
2808 | } | |
f2a3f6a3 OG |
2809 | } |
2810 | ||
6de5f7f6 EBE |
2811 | err = mlx4_allocate_default_counters(dev); |
2812 | if (err) { | |
2813 | mlx4_err(dev, "Failed to allocate default counters, aborting\n"); | |
2814 | goto err_counters_table_free; | |
f2a3f6a3 OG |
2815 | } |
2816 | ||
ab9c17a0 JM |
2817 | if (!mlx4_is_slave(dev)) { |
2818 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
ab9c17a0 JM |
2819 | ib_port_default_caps = 0; |
2820 | err = mlx4_get_port_ib_caps(dev, port, | |
2821 | &ib_port_default_caps); | |
2822 | if (err) | |
1a91de28 JP |
2823 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
2824 | port, err); | |
ab9c17a0 JM |
2825 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
2826 | ||
2aca1172 JM |
2827 | /* initialize per-slave default ib port capabilities */ |
2828 | if (mlx4_is_master(dev)) { | |
2829 | int i; | |
2830 | for (i = 0; i < dev->num_slaves; i++) { | |
2831 | if (i == mlx4_master_func_num(dev)) | |
2832 | continue; | |
2833 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = | |
1a91de28 | 2834 | ib_port_default_caps; |
2aca1172 JM |
2835 | } |
2836 | } | |
2837 | ||
096335b3 OG |
2838 | if (mlx4_is_mfunc(dev)) |
2839 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; | |
2840 | else | |
2841 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; | |
97285b78 | 2842 | |
6634961c JM |
2843 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
2844 | dev->caps.pkey_table_len[port] : -1); | |
ab9c17a0 JM |
2845 | if (err) { |
2846 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1a91de28 | 2847 | port); |
6de5f7f6 | 2848 | goto err_default_countes_free; |
ab9c17a0 | 2849 | } |
7ff93f8b YP |
2850 | } |
2851 | } | |
2852 | ||
225c7b1f RD |
2853 | return 0; |
2854 | ||
6de5f7f6 EBE |
2855 | err_default_countes_free: |
2856 | mlx4_cleanup_default_counters(dev); | |
2857 | ||
f2a3f6a3 | 2858 | err_counters_table_free: |
2632d18d EBE |
2859 | if (!mlx4_is_slave(dev)) |
2860 | mlx4_cleanup_counters_table(dev); | |
f2a3f6a3 | 2861 | |
225c7b1f RD |
2862 | err_qp_table_free: |
2863 | mlx4_cleanup_qp_table(dev); | |
2864 | ||
2865 | err_srq_table_free: | |
2866 | mlx4_cleanup_srq_table(dev); | |
2867 | ||
2868 | err_cq_table_free: | |
2869 | mlx4_cleanup_cq_table(dev); | |
2870 | ||
2871 | err_cmd_poll: | |
2872 | mlx4_cmd_use_polling(dev); | |
2873 | ||
2874 | err_eq_table_free: | |
2875 | mlx4_cleanup_eq_table(dev); | |
2876 | ||
fe6f700d YP |
2877 | err_mcg_table_free: |
2878 | if (!mlx4_is_slave(dev)) | |
2879 | mlx4_cleanup_mcg_table(dev); | |
2880 | ||
ee49bd93 | 2881 | err_mr_table_free: |
225c7b1f RD |
2882 | mlx4_cleanup_mr_table(dev); |
2883 | ||
012a8ff5 SH |
2884 | err_xrcd_table_free: |
2885 | mlx4_cleanup_xrcd_table(dev); | |
2886 | ||
225c7b1f RD |
2887 | err_pd_table_free: |
2888 | mlx4_cleanup_pd_table(dev); | |
2889 | ||
2890 | err_kar_unmap: | |
2891 | iounmap(priv->kar); | |
2892 | ||
2893 | err_uar_free: | |
2894 | mlx4_uar_free(dev, &priv->driver_uar); | |
2895 | ||
2896 | err_uar_table_free: | |
2897 | mlx4_cleanup_uar_table(dev); | |
2898 | return err; | |
2899 | } | |
2900 | ||
de161803 IS |
2901 | static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn) |
2902 | { | |
2903 | int requested_cpu = 0; | |
2904 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2905 | struct mlx4_eq *eq; | |
2906 | int off = 0; | |
2907 | int i; | |
2908 | ||
2909 | if (eqn > dev->caps.num_comp_vectors) | |
2910 | return -EINVAL; | |
2911 | ||
2912 | for (i = 1; i < port; i++) | |
2913 | off += mlx4_get_eqs_per_port(dev, i); | |
2914 | ||
2915 | requested_cpu = eqn - off - !!(eqn > MLX4_EQ_ASYNC); | |
2916 | ||
2917 | /* Meaning EQs are shared, and this call comes from the second port */ | |
2918 | if (requested_cpu < 0) | |
2919 | return 0; | |
2920 | ||
2921 | eq = &priv->eq_table.eq[eqn]; | |
2922 | ||
2923 | if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL)) | |
2924 | return -ENOMEM; | |
2925 | ||
2926 | cpumask_set_cpu(requested_cpu, eq->affinity_mask); | |
2927 | ||
2928 | return 0; | |
2929 | } | |
2930 | ||
e8f9b2ed | 2931 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
2932 | { |
2933 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 2934 | struct msix_entry *entries; |
225c7b1f | 2935 | int i; |
c66fa19c | 2936 | int port = 0; |
225c7b1f RD |
2937 | |
2938 | if (msi_x) { | |
4762010f | 2939 | int nreq = min3(dev->caps.num_ports * |
2940 | (int)num_online_cpus() + 1, | |
2941 | dev->caps.num_eqs - dev->caps.reserved_eqs, | |
2942 | MAX_MSIX); | |
ab9c17a0 | 2943 | |
e5732838 TT |
2944 | if (msi_x > 1) |
2945 | nreq = min_t(int, nreq, msi_x); | |
2946 | ||
31975e27 | 2947 | entries = kcalloc(nreq, sizeof(*entries), GFP_KERNEL); |
b8dd786f YP |
2948 | if (!entries) |
2949 | goto no_msi; | |
2950 | ||
2951 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
2952 | entries[i].entry = i; |
2953 | ||
872bf2fb YH |
2954 | nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2, |
2955 | nreq); | |
66e2f9c1 | 2956 | |
c66fa19c | 2957 | if (nreq < 0 || nreq < MLX4_EQ_ASYNC) { |
5bf0da7d | 2958 | kfree(entries); |
225c7b1f | 2959 | goto no_msi; |
0b7ca5a9 | 2960 | } |
c66fa19c MB |
2961 | /* 1 is reserved for events (asyncrounous EQ) */ |
2962 | dev->caps.num_comp_vectors = nreq - 1; | |
2963 | ||
2964 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq = entries[0].vector; | |
2965 | bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, | |
2966 | dev->caps.num_ports); | |
2967 | ||
2968 | for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { | |
2969 | if (i == MLX4_EQ_ASYNC) | |
2970 | continue; | |
2971 | ||
2972 | priv->eq_table.eq[i].irq = | |
2973 | entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; | |
2974 | ||
85121d6e | 2975 | if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { |
c66fa19c MB |
2976 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
2977 | dev->caps.num_ports); | |
de161803 IS |
2978 | /* We don't set affinity hint when there |
2979 | * aren't enough EQs | |
2980 | */ | |
c66fa19c MB |
2981 | } else { |
2982 | set_bit(port, | |
2983 | priv->eq_table.eq[i].actv_ports.ports); | |
de161803 IS |
2984 | if (mlx4_init_affinity_hint(dev, port + 1, i)) |
2985 | mlx4_warn(dev, "Couldn't init hint cpumask for EQ %d\n", | |
2986 | i); | |
c66fa19c MB |
2987 | } |
2988 | /* We divide the Eqs evenly between the two ports. | |
2989 | * (dev->caps.num_comp_vectors / dev->caps.num_ports) | |
2990 | * refers to the number of Eqs per port | |
2991 | * (i.e eqs_per_port). Theoretically, we would like to | |
2992 | * write something like (i + 1) % eqs_per_port == 0. | |
2993 | * However, since there's an asynchronous Eq, we have | |
2994 | * to skip over it by comparing this condition to | |
2995 | * !!((i + 1) > MLX4_EQ_ASYNC). | |
2996 | */ | |
2997 | if ((dev->caps.num_comp_vectors > dev->caps.num_ports) && | |
2998 | ((i + 1) % | |
2999 | (dev->caps.num_comp_vectors / dev->caps.num_ports)) == | |
3000 | !!((i + 1) > MLX4_EQ_ASYNC)) | |
3001 | /* If dev->caps.num_comp_vectors < dev->caps.num_ports, | |
3002 | * everything is shared anyway. | |
3003 | */ | |
3004 | port++; | |
3005 | } | |
225c7b1f RD |
3006 | |
3007 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
3008 | |
3009 | kfree(entries); | |
225c7b1f RD |
3010 | return; |
3011 | } | |
3012 | ||
3013 | no_msi: | |
b8dd786f YP |
3014 | dev->caps.num_comp_vectors = 1; |
3015 | ||
c66fa19c MB |
3016 | BUG_ON(MLX4_EQ_ASYNC >= 2); |
3017 | for (i = 0; i < 2; ++i) { | |
872bf2fb | 3018 | priv->eq_table.eq[i].irq = dev->persist->pdev->irq; |
c66fa19c MB |
3019 | if (i != MLX4_EQ_ASYNC) { |
3020 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, | |
3021 | dev->caps.num_ports); | |
3022 | } | |
3023 | } | |
225c7b1f RD |
3024 | } |
3025 | ||
7ff93f8b | 3026 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 | 3027 | { |
09d4d087 | 3028 | struct devlink *devlink = priv_to_devlink(mlx4_priv(dev)); |
2a2336f8 | 3029 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
09d4d087 JP |
3030 | int err; |
3031 | ||
3032 | err = devlink_port_register(devlink, &info->devlink_port, port); | |
3033 | if (err) | |
3034 | return err; | |
2a2336f8 YP |
3035 | |
3036 | info->dev = dev; | |
3037 | info->port = port; | |
ab9c17a0 | 3038 | if (!mlx4_is_slave(dev)) { |
ab9c17a0 JM |
3039 | mlx4_init_mac_table(dev, &info->mac_table); |
3040 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
111c6094 | 3041 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
16a10ffd | 3042 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
ab9c17a0 | 3043 | } |
7ff93f8b YP |
3044 | |
3045 | sprintf(info->dev_name, "mlx4_port%d", port); | |
3046 | info->port_attr.attr.name = info->dev_name; | |
d3757ba4 JP |
3047 | if (mlx4_is_mfunc(dev)) { |
3048 | info->port_attr.attr.mode = 0444; | |
3049 | } else { | |
3050 | info->port_attr.attr.mode = 0644; | |
ab9c17a0 JM |
3051 | info->port_attr.store = set_port_type; |
3052 | } | |
7ff93f8b | 3053 | info->port_attr.show = show_port_type; |
3691c964 | 3054 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b | 3055 | |
872bf2fb | 3056 | err = device_create_file(&dev->persist->pdev->dev, &info->port_attr); |
7ff93f8b YP |
3057 | if (err) { |
3058 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
09d4d087 | 3059 | devlink_port_unregister(&info->devlink_port); |
7ff93f8b | 3060 | info->port = -1; |
57f6f99f | 3061 | return err; |
7ff93f8b YP |
3062 | } |
3063 | ||
096335b3 OG |
3064 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
3065 | info->port_mtu_attr.attr.name = info->dev_mtu_name; | |
d3757ba4 JP |
3066 | if (mlx4_is_mfunc(dev)) { |
3067 | info->port_mtu_attr.attr.mode = 0444; | |
3068 | } else { | |
3069 | info->port_mtu_attr.attr.mode = 0644; | |
096335b3 OG |
3070 | info->port_mtu_attr.store = set_port_ib_mtu; |
3071 | } | |
3072 | info->port_mtu_attr.show = show_port_ib_mtu; | |
3073 | sysfs_attr_init(&info->port_mtu_attr.attr); | |
3074 | ||
872bf2fb YH |
3075 | err = device_create_file(&dev->persist->pdev->dev, |
3076 | &info->port_mtu_attr); | |
096335b3 OG |
3077 | if (err) { |
3078 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); | |
872bf2fb YH |
3079 | device_remove_file(&info->dev->persist->pdev->dev, |
3080 | &info->port_attr); | |
fba12966 | 3081 | devlink_port_unregister(&info->devlink_port); |
096335b3 | 3082 | info->port = -1; |
57f6f99f | 3083 | return err; |
096335b3 OG |
3084 | } |
3085 | ||
57f6f99f | 3086 | return 0; |
7ff93f8b YP |
3087 | } |
3088 | ||
3089 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
3090 | { | |
3091 | if (info->port < 0) | |
3092 | return; | |
3093 | ||
872bf2fb YH |
3094 | device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); |
3095 | device_remove_file(&info->dev->persist->pdev->dev, | |
3096 | &info->port_mtu_attr); | |
fba12966 KH |
3097 | devlink_port_unregister(&info->devlink_port); |
3098 | ||
c66fa19c MB |
3099 | #ifdef CONFIG_RFS_ACCEL |
3100 | free_irq_cpu_rmap(info->rmap); | |
3101 | info->rmap = NULL; | |
3102 | #endif | |
2a2336f8 YP |
3103 | } |
3104 | ||
b12d93d6 YP |
3105 | static int mlx4_init_steering(struct mlx4_dev *dev) |
3106 | { | |
3107 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3108 | int num_entries = dev->caps.num_ports; | |
3109 | int i, j; | |
3110 | ||
6396bb22 KC |
3111 | priv->steer = kcalloc(num_entries, sizeof(struct mlx4_steer), |
3112 | GFP_KERNEL); | |
b12d93d6 YP |
3113 | if (!priv->steer) |
3114 | return -ENOMEM; | |
3115 | ||
45b51365 | 3116 | for (i = 0; i < num_entries; i++) |
b12d93d6 YP |
3117 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
3118 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
3119 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
3120 | } | |
b12d93d6 YP |
3121 | return 0; |
3122 | } | |
3123 | ||
3124 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
3125 | { | |
3126 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3127 | struct mlx4_steer_index *entry, *tmp_entry; | |
3128 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
3129 | int num_entries = dev->caps.num_ports; | |
3130 | int i, j; | |
3131 | ||
3132 | for (i = 0; i < num_entries; i++) { | |
3133 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
3134 | list_for_each_entry_safe(pqp, tmp_pqp, | |
3135 | &priv->steer[i].promisc_qps[j], | |
3136 | list) { | |
3137 | list_del(&pqp->list); | |
3138 | kfree(pqp); | |
3139 | } | |
3140 | list_for_each_entry_safe(entry, tmp_entry, | |
3141 | &priv->steer[i].steer_entries[j], | |
3142 | list) { | |
3143 | list_del(&entry->list); | |
3144 | list_for_each_entry_safe(pqp, tmp_pqp, | |
3145 | &entry->duplicates, | |
3146 | list) { | |
3147 | list_del(&pqp->list); | |
3148 | kfree(pqp); | |
3149 | } | |
3150 | kfree(entry); | |
3151 | } | |
3152 | } | |
3153 | } | |
3154 | kfree(priv->steer); | |
3155 | } | |
3156 | ||
ab9c17a0 JM |
3157 | static int extended_func_num(struct pci_dev *pdev) |
3158 | { | |
3159 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
3160 | } | |
3161 | ||
3162 | #define MLX4_OWNER_BASE 0x8069c | |
3163 | #define MLX4_OWNER_SIZE 4 | |
3164 | ||
3165 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
3166 | { | |
3167 | void __iomem *owner; | |
3168 | u32 ret; | |
3169 | ||
872bf2fb | 3170 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
3171 | return -EIO; |
3172 | ||
872bf2fb YH |
3173 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
3174 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
3175 | MLX4_OWNER_SIZE); |
3176 | if (!owner) { | |
3177 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
3178 | return -ENOMEM; | |
3179 | } | |
3180 | ||
3181 | ret = readl(owner); | |
3182 | iounmap(owner); | |
3183 | return (int) !!ret; | |
3184 | } | |
3185 | ||
3186 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
3187 | { | |
3188 | void __iomem *owner; | |
3189 | ||
872bf2fb | 3190 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
3191 | return; |
3192 | ||
872bf2fb YH |
3193 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
3194 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
3195 | MLX4_OWNER_SIZE); |
3196 | if (!owner) { | |
3197 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
3198 | return; | |
3199 | } | |
3200 | writel(0, owner); | |
3201 | msleep(1000); | |
3202 | iounmap(owner); | |
3203 | } | |
3204 | ||
a0eacca9 MB |
3205 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
3206 | !!((flags) & MLX4_FLAG_MASTER)) | |
3207 | ||
3208 | static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev, | |
55ad3592 | 3209 | u8 total_vfs, int existing_vfs, int reset_flow) |
a0eacca9 MB |
3210 | { |
3211 | u64 dev_flags = dev->flags; | |
da315679 | 3212 | int err = 0; |
0beb44b0 CS |
3213 | int fw_enabled_sriov_vfs = min(pci_sriov_get_totalvfs(pdev), |
3214 | MLX4_MAX_NUM_VF); | |
a0eacca9 | 3215 | |
55ad3592 YH |
3216 | if (reset_flow) { |
3217 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), | |
3218 | GFP_KERNEL); | |
3219 | if (!dev->dev_vfs) | |
3220 | goto free_mem; | |
3221 | return dev_flags; | |
3222 | } | |
3223 | ||
da315679 MB |
3224 | atomic_inc(&pf_loading); |
3225 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
3226 | if (existing_vfs != total_vfs) { | |
3227 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", | |
3228 | existing_vfs, total_vfs); | |
3229 | total_vfs = existing_vfs; | |
3230 | } | |
3231 | } | |
3232 | ||
6396bb22 | 3233 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), GFP_KERNEL); |
a0eacca9 MB |
3234 | if (NULL == dev->dev_vfs) { |
3235 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); | |
3236 | goto disable_sriov; | |
da315679 MB |
3237 | } |
3238 | ||
3239 | if (!(dev->flags & MLX4_FLAG_SRIOV)) { | |
0beb44b0 CS |
3240 | if (total_vfs > fw_enabled_sriov_vfs) { |
3241 | mlx4_err(dev, "requested vfs (%d) > available vfs (%d). Continuing without SR_IOV\n", | |
3242 | total_vfs, fw_enabled_sriov_vfs); | |
3243 | err = -ENOMEM; | |
3244 | goto disable_sriov; | |
3245 | } | |
da315679 MB |
3246 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); |
3247 | err = pci_enable_sriov(pdev, total_vfs); | |
3248 | } | |
3249 | if (err) { | |
3250 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", | |
3251 | err); | |
3252 | goto disable_sriov; | |
3253 | } else { | |
3254 | mlx4_warn(dev, "Running in master mode\n"); | |
3255 | dev_flags |= MLX4_FLAG_SRIOV | | |
3256 | MLX4_FLAG_MASTER; | |
3257 | dev_flags &= ~MLX4_FLAG_SLAVE; | |
872bf2fb | 3258 | dev->persist->num_vfs = total_vfs; |
a0eacca9 MB |
3259 | } |
3260 | return dev_flags; | |
3261 | ||
3262 | disable_sriov: | |
da315679 | 3263 | atomic_dec(&pf_loading); |
55ad3592 | 3264 | free_mem: |
872bf2fb | 3265 | dev->persist->num_vfs = 0; |
a0eacca9 | 3266 | kfree(dev->dev_vfs); |
92a59ad0 | 3267 | dev->dev_vfs = NULL; |
a0eacca9 MB |
3268 | return dev_flags & ~MLX4_FLAG_MASTER; |
3269 | } | |
3270 | ||
de966c59 MB |
3271 | enum { |
3272 | MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64 = -1, | |
3273 | }; | |
3274 | ||
3275 | static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, | |
3276 | int *nvfs) | |
3277 | { | |
3278 | int requested_vfs = nvfs[0] + nvfs[1] + nvfs[2]; | |
3279 | /* Checking for 64 VFs as a limitation of CX2 */ | |
3280 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_80_VFS) && | |
3281 | requested_vfs >= 64) { | |
3282 | mlx4_err(dev, "Requested %d VFs, but FW does not support more than 64\n", | |
3283 | requested_vfs); | |
3284 | return MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64; | |
3285 | } | |
3286 | return 0; | |
3287 | } | |
3288 | ||
4bfd2e6e DJ |
3289 | static int mlx4_pci_enable_device(struct mlx4_dev *dev) |
3290 | { | |
3291 | struct pci_dev *pdev = dev->persist->pdev; | |
3292 | int err = 0; | |
3293 | ||
3294 | mutex_lock(&dev->persist->pci_status_mutex); | |
3295 | if (dev->persist->pci_status == MLX4_PCI_STATUS_DISABLED) { | |
3296 | err = pci_enable_device(pdev); | |
3297 | if (!err) | |
3298 | dev->persist->pci_status = MLX4_PCI_STATUS_ENABLED; | |
3299 | } | |
3300 | mutex_unlock(&dev->persist->pci_status_mutex); | |
3301 | ||
3302 | return err; | |
3303 | } | |
3304 | ||
3305 | static void mlx4_pci_disable_device(struct mlx4_dev *dev) | |
3306 | { | |
3307 | struct pci_dev *pdev = dev->persist->pdev; | |
3308 | ||
3309 | mutex_lock(&dev->persist->pci_status_mutex); | |
3310 | if (dev->persist->pci_status == MLX4_PCI_STATUS_ENABLED) { | |
3311 | pci_disable_device(pdev); | |
3312 | dev->persist->pci_status = MLX4_PCI_STATUS_DISABLED; | |
3313 | } | |
3314 | mutex_unlock(&dev->persist->pci_status_mutex); | |
3315 | } | |
3316 | ||
e1c00e10 | 3317 | static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, |
55ad3592 YH |
3318 | int total_vfs, int *nvfs, struct mlx4_priv *priv, |
3319 | int reset_flow) | |
225c7b1f | 3320 | { |
225c7b1f | 3321 | struct mlx4_dev *dev; |
e1c00e10 | 3322 | unsigned sum = 0; |
225c7b1f | 3323 | int err; |
2a2336f8 | 3324 | int port; |
e1c00e10 | 3325 | int i; |
7ae0e400 | 3326 | struct mlx4_dev_cap *dev_cap = NULL; |
bbb07af4 | 3327 | int existing_vfs = 0; |
225c7b1f | 3328 | |
e1c00e10 | 3329 | dev = &priv->dev; |
225c7b1f | 3330 | |
b581401e RD |
3331 | INIT_LIST_HEAD(&priv->ctx_list); |
3332 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 3333 | |
7ff93f8b | 3334 | mutex_init(&priv->port_mutex); |
53f33ae2 | 3335 | mutex_init(&priv->bond_mutex); |
7ff93f8b | 3336 | |
6296883c YP |
3337 | INIT_LIST_HEAD(&priv->pgdir_list); |
3338 | mutex_init(&priv->pgdir_mutex); | |
0c5ddb51 | 3339 | spin_lock_init(&priv->cmd.context_lock); |
6296883c | 3340 | |
c1b43dca EC |
3341 | INIT_LIST_HEAD(&priv->bf_list); |
3342 | mutex_init(&priv->bf_mutex); | |
3343 | ||
aca7a3ac | 3344 | dev->rev_id = pdev->revision; |
6e7136ed | 3345 | dev->numa_node = dev_to_node(&pdev->dev); |
e1c00e10 | 3346 | |
ab9c17a0 | 3347 | /* Detect if this device is a virtual function */ |
839f1243 | 3348 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
ab9c17a0 JM |
3349 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
3350 | dev->flags |= MLX4_FLAG_SLAVE; | |
3351 | } else { | |
3352 | /* We reset the device and enable SRIOV only for physical | |
3353 | * devices. Try to claim ownership on the device; | |
3354 | * if already taken, skip -- do not allow multiple PFs */ | |
3355 | err = mlx4_get_ownership(dev); | |
3356 | if (err) { | |
3357 | if (err < 0) | |
e1c00e10 | 3358 | return err; |
ab9c17a0 | 3359 | else { |
1a91de28 | 3360 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
e1c00e10 | 3361 | return -EINVAL; |
ab9c17a0 JM |
3362 | } |
3363 | } | |
aca7a3ac | 3364 | |
fe6f700d YP |
3365 | atomic_set(&priv->opreq_count, 0); |
3366 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); | |
3367 | ||
ab9c17a0 JM |
3368 | /* |
3369 | * Now reset the HCA before we touch the PCI capabilities or | |
3370 | * attempt a firmware command, since a boot ROM may have left | |
3371 | * the HCA in an undefined state. | |
3372 | */ | |
3373 | err = mlx4_reset(dev); | |
3374 | if (err) { | |
1a91de28 | 3375 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
e1c00e10 | 3376 | goto err_sriov; |
ab9c17a0 | 3377 | } |
7ae0e400 MB |
3378 | |
3379 | if (total_vfs) { | |
7ae0e400 | 3380 | dev->flags = MLX4_FLAG_MASTER; |
da315679 MB |
3381 | existing_vfs = pci_num_vf(pdev); |
3382 | if (existing_vfs) | |
3383 | dev->flags |= MLX4_FLAG_SRIOV; | |
872bf2fb | 3384 | dev->persist->num_vfs = total_vfs; |
7ae0e400 | 3385 | } |
225c7b1f RD |
3386 | } |
3387 | ||
f6bc11e4 YH |
3388 | /* on load remove any previous indication of internal error, |
3389 | * device is up. | |
3390 | */ | |
3391 | dev->persist->state = MLX4_DEVICE_STATE_UP; | |
3392 | ||
ab9c17a0 | 3393 | slave_start: |
521130d1 EE |
3394 | err = mlx4_cmd_init(dev); |
3395 | if (err) { | |
1a91de28 | 3396 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
ab9c17a0 JM |
3397 | goto err_sriov; |
3398 | } | |
3399 | ||
3400 | /* In slave functions, the communication channel must be initialized | |
3401 | * before posting commands. Also, init num_slaves before calling | |
3402 | * mlx4_init_hca */ | |
3403 | if (mlx4_is_mfunc(dev)) { | |
7ae0e400 | 3404 | if (mlx4_is_master(dev)) { |
ab9c17a0 | 3405 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; |
7ae0e400 MB |
3406 | |
3407 | } else { | |
ab9c17a0 | 3408 | dev->num_slaves = 0; |
f356fcbe JM |
3409 | err = mlx4_multi_func_init(dev); |
3410 | if (err) { | |
1a91de28 | 3411 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
ab9c17a0 JM |
3412 | goto err_cmd; |
3413 | } | |
3414 | } | |
225c7b1f RD |
3415 | } |
3416 | ||
a0eacca9 MB |
3417 | err = mlx4_init_fw(dev); |
3418 | if (err) { | |
3419 | mlx4_err(dev, "Failed to init fw, aborting.\n"); | |
3420 | goto err_mfunc; | |
3421 | } | |
3422 | ||
7ae0e400 | 3423 | if (mlx4_is_master(dev)) { |
da315679 | 3424 | /* when we hit the goto slave_start below, dev_cap already initialized */ |
7ae0e400 MB |
3425 | if (!dev_cap) { |
3426 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); | |
3427 | ||
3428 | if (!dev_cap) { | |
3429 | err = -ENOMEM; | |
3430 | goto err_fw; | |
3431 | } | |
3432 | ||
3433 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3434 | if (err) { | |
3435 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3436 | goto err_fw; | |
3437 | } | |
3438 | ||
de966c59 MB |
3439 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
3440 | goto err_fw; | |
3441 | ||
7ae0e400 | 3442 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3443 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, |
3444 | total_vfs, | |
3445 | existing_vfs, | |
3446 | reset_flow); | |
7ae0e400 | 3447 | |
ed3d2276 | 3448 | mlx4_close_fw(dev); |
7ae0e400 MB |
3449 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
3450 | dev->flags = dev_flags; | |
3451 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3452 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3453 | goto err_sriov; | |
3454 | } | |
3455 | err = mlx4_reset(dev); | |
3456 | if (err) { | |
3457 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
3458 | goto err_sriov; | |
3459 | } | |
3460 | goto slave_start; | |
3461 | } | |
3462 | } else { | |
3463 | /* Legacy mode FW requires SRIOV to be enabled before | |
3464 | * doing QUERY_DEV_CAP, since max_eq's value is different if | |
3465 | * SRIOV is enabled. | |
3466 | */ | |
3467 | memset(dev_cap, 0, sizeof(*dev_cap)); | |
3468 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3469 | if (err) { | |
3470 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3471 | goto err_fw; | |
3472 | } | |
de966c59 MB |
3473 | |
3474 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) | |
3475 | goto err_fw; | |
7ae0e400 MB |
3476 | } |
3477 | } | |
3478 | ||
225c7b1f | 3479 | err = mlx4_init_hca(dev); |
ab9c17a0 JM |
3480 | if (err) { |
3481 | if (err == -EACCES) { | |
3482 | /* Not primary Physical function | |
3483 | * Running in slave mode */ | |
ffc39f6d | 3484 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
a0eacca9 MB |
3485 | /* We're not a PF */ |
3486 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
3487 | if (!existing_vfs) | |
3488 | pci_disable_sriov(pdev); | |
55ad3592 | 3489 | if (mlx4_is_master(dev) && !reset_flow) |
a0eacca9 MB |
3490 | atomic_dec(&pf_loading); |
3491 | dev->flags &= ~MLX4_FLAG_SRIOV; | |
3492 | } | |
3493 | if (!mlx4_is_slave(dev)) | |
3494 | mlx4_free_ownership(dev); | |
ab9c17a0 JM |
3495 | dev->flags |= MLX4_FLAG_SLAVE; |
3496 | dev->flags &= ~MLX4_FLAG_MASTER; | |
3497 | goto slave_start; | |
3498 | } else | |
a0eacca9 | 3499 | goto err_fw; |
ab9c17a0 JM |
3500 | } |
3501 | ||
7ae0e400 | 3502 | if (mlx4_is_master(dev) && (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3503 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, total_vfs, |
3504 | existing_vfs, reset_flow); | |
7ae0e400 MB |
3505 | |
3506 | if ((dev->flags ^ dev_flags) & (MLX4_FLAG_MASTER | MLX4_FLAG_SLAVE)) { | |
3507 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_VHCR); | |
3508 | dev->flags = dev_flags; | |
3509 | err = mlx4_cmd_init(dev); | |
3510 | if (err) { | |
3511 | /* Only VHCR is cleaned up, so could still | |
3512 | * send FW commands | |
3513 | */ | |
3514 | mlx4_err(dev, "Failed to init VHCR command interface, aborting\n"); | |
3515 | goto err_close; | |
3516 | } | |
3517 | } else { | |
3518 | dev->flags = dev_flags; | |
3519 | } | |
3520 | ||
3521 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3522 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3523 | goto err_close; | |
3524 | } | |
3525 | } | |
3526 | ||
b912b2f8 EP |
3527 | /* check if the device is functioning at its maximum possible speed. |
3528 | * No return code for this call, just warn the user in case of PCI | |
3529 | * express device capabilities are under-satisfied by the bus. | |
3530 | */ | |
83d3459a | 3531 | if (!mlx4_is_slave(dev)) |
190b509c | 3532 | pcie_print_link_status(dev->persist->pdev); |
b912b2f8 | 3533 | |
ab9c17a0 JM |
3534 | /* In master functions, the communication channel must be initialized |
3535 | * after obtaining its address from fw */ | |
3536 | if (mlx4_is_master(dev)) { | |
e1c00e10 MD |
3537 | if (dev->caps.num_ports < 2 && |
3538 | num_vfs_argc > 1) { | |
3539 | err = -EINVAL; | |
3540 | mlx4_err(dev, | |
3541 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", | |
3542 | dev->caps.num_ports); | |
ab9c17a0 JM |
3543 | goto err_close; |
3544 | } | |
872bf2fb | 3545 | memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs)); |
dd41cc3b | 3546 | |
872bf2fb YH |
3547 | for (i = 0; |
3548 | i < sizeof(dev->persist->nvfs)/ | |
3549 | sizeof(dev->persist->nvfs[0]); i++) { | |
e1c00e10 MD |
3550 | unsigned j; |
3551 | ||
872bf2fb | 3552 | for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) { |
e1c00e10 MD |
3553 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; |
3554 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : | |
3555 | dev->caps.num_ports; | |
1ab95d37 MB |
3556 | } |
3557 | } | |
e1c00e10 MD |
3558 | |
3559 | /* In master functions, the communication channel | |
3560 | * must be initialized after obtaining its address from fw | |
3561 | */ | |
3562 | err = mlx4_multi_func_init(dev); | |
3563 | if (err) { | |
3564 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); | |
3565 | goto err_close; | |
3566 | } | |
ab9c17a0 | 3567 | } |
225c7b1f | 3568 | |
b8dd786f YP |
3569 | err = mlx4_alloc_eq_table(dev); |
3570 | if (err) | |
ab9c17a0 | 3571 | goto err_master_mfunc; |
b8dd786f | 3572 | |
c66fa19c | 3573 | bitmap_zero(priv->msix_ctl.pool_bm, MAX_MSIX); |
730c41d5 | 3574 | mutex_init(&priv->msix_ctl.pool_lock); |
0b7ca5a9 | 3575 | |
08fb1055 | 3576 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
3577 | if ((mlx4_is_mfunc(dev)) && |
3578 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
72b8eaab | 3579 | err = -EOPNOTSUPP; |
1a91de28 | 3580 | mlx4_err(dev, "INTx is not supported in multi-function mode, aborting\n"); |
b12d93d6 | 3581 | goto err_free_eq; |
ab9c17a0 JM |
3582 | } |
3583 | ||
3584 | if (!mlx4_is_slave(dev)) { | |
3585 | err = mlx4_init_steering(dev); | |
3586 | if (err) | |
e1c00e10 | 3587 | goto err_disable_msix; |
ab9c17a0 | 3588 | } |
b12d93d6 | 3589 | |
6ed63d84 JM |
3590 | mlx4_init_quotas(dev); |
3591 | ||
225c7b1f | 3592 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
3593 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
3594 | !mlx4_is_mfunc(dev)) { | |
08fb1055 | 3595 | dev->flags &= ~MLX4_FLAG_MSI_X; |
9858d2d1 | 3596 | dev->caps.num_comp_vectors = 1; |
08fb1055 MT |
3597 | pci_disable_msix(pdev); |
3598 | err = mlx4_setup_hca(dev); | |
3599 | } | |
3600 | ||
225c7b1f | 3601 | if (err) |
b12d93d6 | 3602 | goto err_steer; |
225c7b1f | 3603 | |
55ad3592 YH |
3604 | /* When PF resources are ready arm its comm channel to enable |
3605 | * getting commands | |
3606 | */ | |
3607 | if (mlx4_is_master(dev)) { | |
3608 | err = mlx4_ARM_COMM_CHANNEL(dev); | |
3609 | if (err) { | |
3610 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", | |
3611 | err); | |
3612 | goto err_steer; | |
3613 | } | |
3614 | } | |
5a0d0a61 | 3615 | |
7ff93f8b YP |
3616 | for (port = 1; port <= dev->caps.num_ports; port++) { |
3617 | err = mlx4_init_port_info(dev, port); | |
3618 | if (err) | |
3619 | goto err_port; | |
3620 | } | |
2a2336f8 | 3621 | |
53f33ae2 MS |
3622 | priv->v2p.port1 = 1; |
3623 | priv->v2p.port2 = 2; | |
3624 | ||
225c7b1f RD |
3625 | err = mlx4_register_device(dev); |
3626 | if (err) | |
7ff93f8b | 3627 | goto err_port; |
225c7b1f | 3628 | |
b046ffe5 EP |
3629 | mlx4_request_modules(dev); |
3630 | ||
27bf91d6 YP |
3631 | mlx4_sense_init(dev); |
3632 | mlx4_start_sense(dev); | |
3633 | ||
befdf897 | 3634 | priv->removed = 0; |
225c7b1f | 3635 | |
55ad3592 | 3636 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3637 | atomic_dec(&pf_loading); |
3638 | ||
da315679 | 3639 | kfree(dev_cap); |
225c7b1f RD |
3640 | return 0; |
3641 | ||
7ff93f8b | 3642 | err_port: |
b4f77264 | 3643 | for (--port; port >= 1; --port) |
7ff93f8b YP |
3644 | mlx4_cleanup_port_info(&priv->port[port]); |
3645 | ||
6de5f7f6 | 3646 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
3647 | if (!mlx4_is_slave(dev)) |
3648 | mlx4_cleanup_counters_table(dev); | |
225c7b1f RD |
3649 | mlx4_cleanup_qp_table(dev); |
3650 | mlx4_cleanup_srq_table(dev); | |
3651 | mlx4_cleanup_cq_table(dev); | |
3652 | mlx4_cmd_use_polling(dev); | |
3653 | mlx4_cleanup_eq_table(dev); | |
fe6f700d | 3654 | mlx4_cleanup_mcg_table(dev); |
225c7b1f | 3655 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 3656 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
3657 | mlx4_cleanup_pd_table(dev); |
3658 | mlx4_cleanup_uar_table(dev); | |
3659 | ||
b12d93d6 | 3660 | err_steer: |
ab9c17a0 JM |
3661 | if (!mlx4_is_slave(dev)) |
3662 | mlx4_clear_steering(dev); | |
b12d93d6 | 3663 | |
e1c00e10 MD |
3664 | err_disable_msix: |
3665 | if (dev->flags & MLX4_FLAG_MSI_X) | |
3666 | pci_disable_msix(pdev); | |
3667 | ||
b8dd786f YP |
3668 | err_free_eq: |
3669 | mlx4_free_eq_table(dev); | |
3670 | ||
ab9c17a0 | 3671 | err_master_mfunc: |
772103e6 JM |
3672 | if (mlx4_is_master(dev)) { |
3673 | mlx4_free_resource_tracker(dev, RES_TR_FREE_STRUCTS_ONLY); | |
ab9c17a0 | 3674 | mlx4_multi_func_cleanup(dev); |
772103e6 | 3675 | } |
ab9c17a0 | 3676 | |
c73c8b1e EBE |
3677 | if (mlx4_is_slave(dev)) |
3678 | mlx4_slave_destroy_special_qp_cap(dev); | |
b38f2879 | 3679 | |
225c7b1f RD |
3680 | err_close: |
3681 | mlx4_close_hca(dev); | |
3682 | ||
a0eacca9 MB |
3683 | err_fw: |
3684 | mlx4_close_fw(dev); | |
3685 | ||
ab9c17a0 JM |
3686 | err_mfunc: |
3687 | if (mlx4_is_slave(dev)) | |
3688 | mlx4_multi_func_cleanup(dev); | |
3689 | ||
225c7b1f | 3690 | err_cmd: |
ffc39f6d | 3691 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
225c7b1f | 3692 | |
ab9c17a0 | 3693 | err_sriov: |
55ad3592 | 3694 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) { |
ab9c17a0 | 3695 | pci_disable_sriov(pdev); |
55ad3592 YH |
3696 | dev->flags &= ~MLX4_FLAG_SRIOV; |
3697 | } | |
ab9c17a0 | 3698 | |
55ad3592 | 3699 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3700 | atomic_dec(&pf_loading); |
3701 | ||
1ab95d37 MB |
3702 | kfree(priv->dev.dev_vfs); |
3703 | ||
e1c00e10 MD |
3704 | if (!mlx4_is_slave(dev)) |
3705 | mlx4_free_ownership(dev); | |
3706 | ||
7ae0e400 | 3707 | kfree(dev_cap); |
e1c00e10 MD |
3708 | return err; |
3709 | } | |
3710 | ||
3711 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, | |
3712 | struct mlx4_priv *priv) | |
3713 | { | |
3714 | int err; | |
3715 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3716 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3717 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { | |
3718 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; | |
3719 | unsigned total_vfs = 0; | |
3720 | unsigned int i; | |
3721 | ||
3722 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); | |
3723 | ||
4bfd2e6e | 3724 | err = mlx4_pci_enable_device(&priv->dev); |
e1c00e10 MD |
3725 | if (err) { |
3726 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); | |
3727 | return err; | |
3728 | } | |
3729 | ||
3730 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS | |
3731 | * per port, we must limit the number of VFs to 63 (since their are | |
3732 | * 128 MACs) | |
3733 | */ | |
691223ec | 3734 | for (i = 0; i < ARRAY_SIZE(nvfs) && i < num_vfs_argc; |
e1c00e10 MD |
3735 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { |
3736 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; | |
3737 | if (nvfs[i] < 0) { | |
3738 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); | |
3739 | err = -EINVAL; | |
3740 | goto err_disable_pdev; | |
3741 | } | |
3742 | } | |
691223ec | 3743 | for (i = 0; i < ARRAY_SIZE(prb_vf) && i < probe_vfs_argc; |
e1c00e10 MD |
3744 | i++) { |
3745 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; | |
3746 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { | |
3747 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); | |
3748 | err = -EINVAL; | |
3749 | goto err_disable_pdev; | |
3750 | } | |
3751 | } | |
0beb44b0 | 3752 | if (total_vfs > MLX4_MAX_NUM_VF) { |
e1c00e10 | 3753 | dev_err(&pdev->dev, |
0beb44b0 CS |
3754 | "Requested more VF's (%d) than allowed by hw (%d)\n", |
3755 | total_vfs, MLX4_MAX_NUM_VF); | |
e1c00e10 MD |
3756 | err = -EINVAL; |
3757 | goto err_disable_pdev; | |
3758 | } | |
3759 | ||
3760 | for (i = 0; i < MLX4_MAX_PORTS; i++) { | |
0beb44b0 | 3761 | if (nvfs[i] + nvfs[2] > MLX4_MAX_NUM_VF_P_PORT) { |
e1c00e10 | 3762 | dev_err(&pdev->dev, |
0beb44b0 | 3763 | "Requested more VF's (%d) for port (%d) than allowed by driver (%d)\n", |
e1c00e10 | 3764 | nvfs[i] + nvfs[2], i + 1, |
0beb44b0 | 3765 | MLX4_MAX_NUM_VF_P_PORT); |
e1c00e10 MD |
3766 | err = -EINVAL; |
3767 | goto err_disable_pdev; | |
3768 | } | |
3769 | } | |
3770 | ||
3771 | /* Check for BARs. */ | |
3772 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && | |
3773 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
3774 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", | |
3775 | pci_dev_data, pci_resource_flags(pdev, 0)); | |
3776 | err = -ENODEV; | |
3777 | goto err_disable_pdev; | |
3778 | } | |
3779 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
3780 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); | |
3781 | err = -ENODEV; | |
3782 | goto err_disable_pdev; | |
3783 | } | |
3784 | ||
3785 | err = pci_request_regions(pdev, DRV_NAME); | |
3786 | if (err) { | |
3787 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
3788 | goto err_disable_pdev; | |
3789 | } | |
3790 | ||
3791 | pci_set_master(pdev); | |
3792 | ||
3793 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3794 | if (err) { | |
3795 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); | |
3796 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3797 | if (err) { | |
3798 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); | |
3799 | goto err_release_regions; | |
3800 | } | |
3801 | } | |
3802 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3803 | if (err) { | |
3804 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); | |
3805 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3806 | if (err) { | |
3807 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); | |
3808 | goto err_release_regions; | |
3809 | } | |
3810 | } | |
3811 | ||
3812 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ | |
3813 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
3814 | /* Detect if this device is a virtual function */ | |
3815 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { | |
3816 | /* When acting as pf, we normally skip vfs unless explicitly | |
3817 | * requested to probe them. | |
3818 | */ | |
3819 | if (total_vfs) { | |
3820 | unsigned vfs_offset = 0; | |
3821 | ||
691223ec | 3822 | for (i = 0; i < ARRAY_SIZE(nvfs) && |
e1c00e10 MD |
3823 | vfs_offset + nvfs[i] < extended_func_num(pdev); |
3824 | vfs_offset += nvfs[i], i++) | |
3825 | ; | |
691223ec | 3826 | if (i == ARRAY_SIZE(nvfs)) { |
e1c00e10 MD |
3827 | err = -ENODEV; |
3828 | goto err_release_regions; | |
3829 | } | |
3830 | if ((extended_func_num(pdev) - vfs_offset) | |
3831 | > prb_vf[i]) { | |
3832 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", | |
3833 | extended_func_num(pdev)); | |
3834 | err = -ENODEV; | |
3835 | goto err_release_regions; | |
3836 | } | |
3837 | } | |
3838 | } | |
3839 | ||
bedc989b | 3840 | err = mlx4_crdump_init(&priv->dev); |
e1c00e10 MD |
3841 | if (err) |
3842 | goto err_release_regions; | |
ad9a0bf0 | 3843 | |
bedc989b AV |
3844 | err = mlx4_catas_init(&priv->dev); |
3845 | if (err) | |
3846 | goto err_crdump; | |
3847 | ||
55ad3592 | 3848 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 0); |
ad9a0bf0 YH |
3849 | if (err) |
3850 | goto err_catas; | |
3851 | ||
e1c00e10 | 3852 | return 0; |
225c7b1f | 3853 | |
ad9a0bf0 YH |
3854 | err_catas: |
3855 | mlx4_catas_end(&priv->dev); | |
3856 | ||
bedc989b AV |
3857 | err_crdump: |
3858 | mlx4_crdump_end(&priv->dev); | |
3859 | ||
a01df0fe RD |
3860 | err_release_regions: |
3861 | pci_release_regions(pdev); | |
225c7b1f RD |
3862 | |
3863 | err_disable_pdev: | |
4bfd2e6e | 3864 | mlx4_pci_disable_device(&priv->dev); |
225c7b1f RD |
3865 | return err; |
3866 | } | |
3867 | ||
b2facd95 JP |
3868 | static int mlx4_devlink_port_type_set(struct devlink_port *devlink_port, |
3869 | enum devlink_port_type port_type) | |
3870 | { | |
3871 | struct mlx4_port_info *info = container_of(devlink_port, | |
3872 | struct mlx4_port_info, | |
3873 | devlink_port); | |
3874 | enum mlx4_port_type mlx4_port_type; | |
3875 | ||
3876 | switch (port_type) { | |
3877 | case DEVLINK_PORT_TYPE_AUTO: | |
3878 | mlx4_port_type = MLX4_PORT_TYPE_AUTO; | |
3879 | break; | |
3880 | case DEVLINK_PORT_TYPE_ETH: | |
3881 | mlx4_port_type = MLX4_PORT_TYPE_ETH; | |
3882 | break; | |
3883 | case DEVLINK_PORT_TYPE_IB: | |
3884 | mlx4_port_type = MLX4_PORT_TYPE_IB; | |
3885 | break; | |
3886 | default: | |
3887 | return -EOPNOTSUPP; | |
3888 | } | |
3889 | ||
3890 | return __set_port_type(info, mlx4_port_type); | |
3891 | } | |
3892 | ||
dfb3c082 MS |
3893 | static void mlx4_devlink_param_load_driverinit_values(struct devlink *devlink) |
3894 | { | |
3c641ba4 AV |
3895 | struct mlx4_priv *priv = devlink_priv(devlink); |
3896 | struct mlx4_dev *dev = &priv->dev; | |
3897 | struct mlx4_fw_crdump *crdump = &dev->persist->crdump; | |
dfb3c082 MS |
3898 | union devlink_param_value saved_value; |
3899 | int err; | |
3900 | ||
3901 | err = devlink_param_driverinit_value_get(devlink, | |
3902 | DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, | |
3903 | &saved_value); | |
3904 | if (!err && mlx4_internal_err_reset != saved_value.vbool) { | |
3905 | mlx4_internal_err_reset = saved_value.vbool; | |
3906 | /* Notify on value changed on runtime configuration mode */ | |
3907 | devlink_param_value_changed(devlink, | |
3908 | DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET); | |
3909 | } | |
3910 | err = devlink_param_driverinit_value_get(devlink, | |
3911 | DEVLINK_PARAM_GENERIC_ID_MAX_MACS, | |
3912 | &saved_value); | |
3913 | if (!err) | |
3914 | log_num_mac = order_base_2(saved_value.vu32); | |
3915 | err = devlink_param_driverinit_value_get(devlink, | |
3916 | MLX4_DEVLINK_PARAM_ID_ENABLE_64B_CQE_EQE, | |
3917 | &saved_value); | |
3918 | if (!err) | |
3919 | enable_64b_cqe_eqe = saved_value.vbool; | |
3920 | err = devlink_param_driverinit_value_get(devlink, | |
3921 | MLX4_DEVLINK_PARAM_ID_ENABLE_4K_UAR, | |
3922 | &saved_value); | |
3923 | if (!err) | |
3924 | enable_4k_uar = saved_value.vbool; | |
3c641ba4 AV |
3925 | err = devlink_param_driverinit_value_get(devlink, |
3926 | DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, | |
3927 | &saved_value); | |
3928 | if (!err && crdump->snapshot_enable != saved_value.vbool) { | |
3929 | crdump->snapshot_enable = saved_value.vbool; | |
3930 | devlink_param_value_changed(devlink, | |
3931 | DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT); | |
3932 | } | |
dfb3c082 MS |
3933 | } |
3934 | ||
35c7ff34 JP |
3935 | static void mlx4_restart_one_down(struct pci_dev *pdev); |
3936 | static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload, | |
3937 | struct devlink *devlink); | |
3938 | ||
070c63f2 | 3939 | static int mlx4_devlink_reload_down(struct devlink *devlink, bool netns_change, |
97691069 | 3940 | struct netlink_ext_ack *extack) |
dfb3c082 MS |
3941 | { |
3942 | struct mlx4_priv *priv = devlink_priv(devlink); | |
3943 | struct mlx4_dev *dev = &priv->dev; | |
3944 | struct mlx4_dev_persistent *persist = dev->persist; | |
dfb3c082 | 3945 | |
070c63f2 JP |
3946 | if (netns_change) { |
3947 | NL_SET_ERR_MSG_MOD(extack, "Namespace change is not supported"); | |
3948 | return -EOPNOTSUPP; | |
3949 | } | |
dfb3c082 MS |
3950 | if (persist->num_vfs) |
3951 | mlx4_warn(persist->dev, "Reload performed on PF, will cause reset on operating Virtual Functions\n"); | |
35c7ff34 | 3952 | mlx4_restart_one_down(persist->pdev); |
97691069 JP |
3953 | return 0; |
3954 | } | |
3955 | ||
3956 | static int mlx4_devlink_reload_up(struct devlink *devlink, | |
3957 | struct netlink_ext_ack *extack) | |
3958 | { | |
3959 | struct mlx4_priv *priv = devlink_priv(devlink); | |
3960 | struct mlx4_dev *dev = &priv->dev; | |
3961 | struct mlx4_dev_persistent *persist = dev->persist; | |
3962 | int err; | |
3963 | ||
35c7ff34 | 3964 | err = mlx4_restart_one_up(persist->pdev, true, devlink); |
dfb3c082 | 3965 | if (err) |
35c7ff34 JP |
3966 | mlx4_err(persist->dev, "mlx4_restart_one_up failed, ret=%d\n", |
3967 | err); | |
dfb3c082 MS |
3968 | |
3969 | return err; | |
3970 | } | |
3971 | ||
b2facd95 JP |
3972 | static const struct devlink_ops mlx4_devlink_ops = { |
3973 | .port_type_set = mlx4_devlink_port_type_set, | |
97691069 JP |
3974 | .reload_down = mlx4_devlink_reload_down, |
3975 | .reload_up = mlx4_devlink_reload_up, | |
b2facd95 JP |
3976 | }; |
3977 | ||
1dd06ae8 | 3978 | static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
3d73c288 | 3979 | { |
09d4d087 | 3980 | struct devlink *devlink; |
befdf897 WY |
3981 | struct mlx4_priv *priv; |
3982 | struct mlx4_dev *dev; | |
e1c00e10 | 3983 | int ret; |
befdf897 | 3984 | |
0a645e80 | 3985 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 3986 | |
b2facd95 | 3987 | devlink = devlink_alloc(&mlx4_devlink_ops, sizeof(*priv)); |
09d4d087 | 3988 | if (!devlink) |
befdf897 | 3989 | return -ENOMEM; |
09d4d087 | 3990 | priv = devlink_priv(devlink); |
befdf897 WY |
3991 | |
3992 | dev = &priv->dev; | |
872bf2fb YH |
3993 | dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL); |
3994 | if (!dev->persist) { | |
09d4d087 JP |
3995 | ret = -ENOMEM; |
3996 | goto err_devlink_free; | |
872bf2fb YH |
3997 | } |
3998 | dev->persist->pdev = pdev; | |
3999 | dev->persist->dev = dev; | |
4000 | pci_set_drvdata(pdev, dev->persist); | |
befdf897 | 4001 | priv->pci_dev_data = id->driver_data; |
f6bc11e4 | 4002 | mutex_init(&dev->persist->device_state_mutex); |
c69453e2 | 4003 | mutex_init(&dev->persist->interface_state_mutex); |
4bfd2e6e | 4004 | mutex_init(&dev->persist->pci_status_mutex); |
befdf897 | 4005 | |
09d4d087 JP |
4006 | ret = devlink_register(devlink, &pdev->dev); |
4007 | if (ret) | |
4008 | goto err_persist_free; | |
bd1b51dc MS |
4009 | ret = devlink_params_register(devlink, mlx4_devlink_params, |
4010 | ARRAY_SIZE(mlx4_devlink_params)); | |
09d4d087 JP |
4011 | if (ret) |
4012 | goto err_devlink_unregister; | |
bd1b51dc MS |
4013 | mlx4_devlink_set_params_init_values(devlink); |
4014 | ret = __mlx4_init_one(pdev, id->driver_data, priv); | |
4015 | if (ret) | |
4016 | goto err_params_unregister; | |
2ba5fbd6 | 4017 | |
7c62cfb8 | 4018 | devlink_params_publish(devlink); |
a0c76345 | 4019 | devlink_reload_enable(devlink); |
09d4d087 JP |
4020 | pci_save_state(pdev); |
4021 | return 0; | |
4022 | ||
bd1b51dc MS |
4023 | err_params_unregister: |
4024 | devlink_params_unregister(devlink, mlx4_devlink_params, | |
4025 | ARRAY_SIZE(mlx4_devlink_params)); | |
09d4d087 JP |
4026 | err_devlink_unregister: |
4027 | devlink_unregister(devlink); | |
4028 | err_persist_free: | |
4029 | kfree(dev->persist); | |
4030 | err_devlink_free: | |
4031 | devlink_free(devlink); | |
e1c00e10 | 4032 | return ret; |
3d73c288 RD |
4033 | } |
4034 | ||
dd0eefe3 YH |
4035 | static void mlx4_clean_dev(struct mlx4_dev *dev) |
4036 | { | |
4037 | struct mlx4_dev_persistent *persist = dev->persist; | |
4038 | struct mlx4_priv *priv = mlx4_priv(dev); | |
55ad3592 | 4039 | unsigned long flags = (dev->flags & RESET_PERSIST_MASK_FLAGS); |
dd0eefe3 YH |
4040 | |
4041 | memset(priv, 0, sizeof(*priv)); | |
4042 | priv->dev.persist = persist; | |
55ad3592 | 4043 | priv->dev.flags = flags; |
dd0eefe3 YH |
4044 | } |
4045 | ||
e1c00e10 | 4046 | static void mlx4_unload_one(struct pci_dev *pdev) |
225c7b1f | 4047 | { |
872bf2fb YH |
4048 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4049 | struct mlx4_dev *dev = persist->dev; | |
225c7b1f | 4050 | struct mlx4_priv *priv = mlx4_priv(dev); |
befdf897 | 4051 | int pci_dev_data; |
dd0eefe3 | 4052 | int p, i; |
225c7b1f | 4053 | |
befdf897 WY |
4054 | if (priv->removed) |
4055 | return; | |
225c7b1f | 4056 | |
dd0eefe3 YH |
4057 | /* saving current ports type for further use */ |
4058 | for (i = 0; i < dev->caps.num_ports; i++) { | |
4059 | dev->persist->curr_port_type[i] = dev->caps.port_type[i + 1]; | |
4060 | dev->persist->curr_port_poss_type[i] = dev->caps. | |
4061 | possible_type[i + 1]; | |
4062 | } | |
4063 | ||
befdf897 | 4064 | pci_dev_data = priv->pci_dev_data; |
225c7b1f | 4065 | |
befdf897 WY |
4066 | mlx4_stop_sense(dev); |
4067 | mlx4_unregister_device(dev); | |
225c7b1f | 4068 | |
befdf897 WY |
4069 | for (p = 1; p <= dev->caps.num_ports; p++) { |
4070 | mlx4_cleanup_port_info(&priv->port[p]); | |
4071 | mlx4_CLOSE_PORT(dev, p); | |
4072 | } | |
4073 | ||
4074 | if (mlx4_is_master(dev)) | |
4075 | mlx4_free_resource_tracker(dev, | |
4076 | RES_TR_FREE_SLAVES_ONLY); | |
4077 | ||
6de5f7f6 | 4078 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
4079 | if (!mlx4_is_slave(dev)) |
4080 | mlx4_cleanup_counters_table(dev); | |
befdf897 WY |
4081 | mlx4_cleanup_qp_table(dev); |
4082 | mlx4_cleanup_srq_table(dev); | |
4083 | mlx4_cleanup_cq_table(dev); | |
4084 | mlx4_cmd_use_polling(dev); | |
4085 | mlx4_cleanup_eq_table(dev); | |
4086 | mlx4_cleanup_mcg_table(dev); | |
4087 | mlx4_cleanup_mr_table(dev); | |
4088 | mlx4_cleanup_xrcd_table(dev); | |
4089 | mlx4_cleanup_pd_table(dev); | |
225c7b1f | 4090 | |
befdf897 WY |
4091 | if (mlx4_is_master(dev)) |
4092 | mlx4_free_resource_tracker(dev, | |
4093 | RES_TR_FREE_STRUCTS_ONLY); | |
47605df9 | 4094 | |
befdf897 WY |
4095 | iounmap(priv->kar); |
4096 | mlx4_uar_free(dev, &priv->driver_uar); | |
4097 | mlx4_cleanup_uar_table(dev); | |
4098 | if (!mlx4_is_slave(dev)) | |
4099 | mlx4_clear_steering(dev); | |
4100 | mlx4_free_eq_table(dev); | |
4101 | if (mlx4_is_master(dev)) | |
4102 | mlx4_multi_func_cleanup(dev); | |
4103 | mlx4_close_hca(dev); | |
a0eacca9 | 4104 | mlx4_close_fw(dev); |
befdf897 WY |
4105 | if (mlx4_is_slave(dev)) |
4106 | mlx4_multi_func_cleanup(dev); | |
ffc39f6d | 4107 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
47605df9 | 4108 | |
befdf897 WY |
4109 | if (dev->flags & MLX4_FLAG_MSI_X) |
4110 | pci_disable_msix(pdev); | |
befdf897 WY |
4111 | |
4112 | if (!mlx4_is_slave(dev)) | |
4113 | mlx4_free_ownership(dev); | |
4114 | ||
c73c8b1e | 4115 | mlx4_slave_destroy_special_qp_cap(dev); |
befdf897 WY |
4116 | kfree(dev->dev_vfs); |
4117 | ||
dd0eefe3 | 4118 | mlx4_clean_dev(dev); |
befdf897 WY |
4119 | priv->pci_dev_data = pci_dev_data; |
4120 | priv->removed = 1; | |
4121 | } | |
4122 | ||
4123 | static void mlx4_remove_one(struct pci_dev *pdev) | |
4124 | { | |
872bf2fb YH |
4125 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4126 | struct mlx4_dev *dev = persist->dev; | |
befdf897 | 4127 | struct mlx4_priv *priv = mlx4_priv(dev); |
09d4d087 | 4128 | struct devlink *devlink = priv_to_devlink(priv); |
55ad3592 | 4129 | int active_vfs = 0; |
befdf897 | 4130 | |
a0c76345 JP |
4131 | devlink_reload_disable(devlink); |
4132 | ||
4cbe4dac JM |
4133 | if (mlx4_is_slave(dev)) |
4134 | persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT; | |
4135 | ||
c69453e2 YH |
4136 | mutex_lock(&persist->interface_state_mutex); |
4137 | persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; | |
4138 | mutex_unlock(&persist->interface_state_mutex); | |
4139 | ||
55ad3592 YH |
4140 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
4141 | if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) { | |
4142 | active_vfs = mlx4_how_many_lives_vf(dev); | |
4143 | if (active_vfs) { | |
4144 | pr_warn("Removing PF when there are active VF's !!\n"); | |
4145 | pr_warn("Will not disable SR-IOV.\n"); | |
4146 | } | |
4147 | } | |
4148 | ||
c69453e2 YH |
4149 | /* device marked to be under deletion running now without the lock |
4150 | * letting other tasks to be terminated | |
4151 | */ | |
4152 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
4153 | mlx4_unload_one(pdev); | |
4154 | else | |
4155 | mlx4_info(dev, "%s: interface is down\n", __func__); | |
ad9a0bf0 | 4156 | mlx4_catas_end(dev); |
bedc989b | 4157 | mlx4_crdump_end(dev); |
55ad3592 YH |
4158 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
4159 | mlx4_warn(dev, "Disabling SR-IOV\n"); | |
4160 | pci_disable_sriov(pdev); | |
4161 | } | |
4162 | ||
e1c00e10 | 4163 | pci_release_regions(pdev); |
4bfd2e6e | 4164 | mlx4_pci_disable_device(dev); |
bd1b51dc MS |
4165 | devlink_params_unregister(devlink, mlx4_devlink_params, |
4166 | ARRAY_SIZE(mlx4_devlink_params)); | |
09d4d087 | 4167 | devlink_unregister(devlink); |
872bf2fb | 4168 | kfree(dev->persist); |
09d4d087 | 4169 | devlink_free(devlink); |
225c7b1f RD |
4170 | } |
4171 | ||
dd0eefe3 YH |
4172 | static int restore_current_port_types(struct mlx4_dev *dev, |
4173 | enum mlx4_port_type *types, | |
4174 | enum mlx4_port_type *poss_types) | |
4175 | { | |
4176 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4177 | int err, i; | |
4178 | ||
4179 | mlx4_stop_sense(dev); | |
4180 | ||
4181 | mutex_lock(&priv->port_mutex); | |
4182 | for (i = 0; i < dev->caps.num_ports; i++) | |
4183 | dev->caps.possible_type[i + 1] = poss_types[i]; | |
4184 | err = mlx4_change_port_types(dev, types); | |
4185 | mlx4_start_sense(dev); | |
4186 | mutex_unlock(&priv->port_mutex); | |
4187 | ||
4188 | return err; | |
4189 | } | |
4190 | ||
35c7ff34 JP |
4191 | static void mlx4_restart_one_down(struct pci_dev *pdev) |
4192 | { | |
4193 | mlx4_unload_one(pdev); | |
4194 | } | |
4195 | ||
4196 | static int mlx4_restart_one_up(struct pci_dev *pdev, bool reload, | |
4197 | struct devlink *devlink) | |
ee49bd93 | 4198 | { |
872bf2fb YH |
4199 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4200 | struct mlx4_dev *dev = persist->dev; | |
839f1243 | 4201 | struct mlx4_priv *priv = mlx4_priv(dev); |
e1c00e10 MD |
4202 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
4203 | int pci_dev_data, err, total_vfs; | |
839f1243 RD |
4204 | |
4205 | pci_dev_data = priv->pci_dev_data; | |
872bf2fb YH |
4206 | total_vfs = dev->persist->num_vfs; |
4207 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
e1c00e10 | 4208 | |
dfb3c082 MS |
4209 | if (reload) |
4210 | mlx4_devlink_param_load_driverinit_values(devlink); | |
55ad3592 | 4211 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1); |
e1c00e10 MD |
4212 | if (err) { |
4213 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", | |
4214 | __func__, pci_name(pdev), err); | |
4215 | return err; | |
4216 | } | |
4217 | ||
dd0eefe3 YH |
4218 | err = restore_current_port_types(dev, dev->persist->curr_port_type, |
4219 | dev->persist->curr_port_poss_type); | |
4220 | if (err) | |
4221 | mlx4_err(dev, "could not restore original port types (%d)\n", | |
4222 | err); | |
4223 | ||
e1c00e10 | 4224 | return err; |
ee49bd93 JM |
4225 | } |
4226 | ||
35c7ff34 JP |
4227 | int mlx4_restart_one(struct pci_dev *pdev) |
4228 | { | |
4229 | mlx4_restart_one_down(pdev); | |
4230 | return mlx4_restart_one_up(pdev, false, NULL); | |
4231 | } | |
4232 | ||
c19e4b90 BH |
4233 | #define MLX_SP(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_FORCE_SENSE_PORT } |
4234 | #define MLX_VF(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_IS_VF } | |
4235 | #define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 } | |
4236 | ||
9baa3c34 | 4237 | static const struct pci_device_id mlx4_pci_table[] = { |
a1b87145 | 4238 | #ifdef CONFIG_MLX4_CORE_GEN2 |
c19e4b90 BH |
4239 | /* MT25408 "Hermon" */ |
4240 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_SDR), /* SDR */ | |
4241 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR), /* DDR */ | |
4242 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR), /* QDR */ | |
4243 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR_GEN2), /* DDR Gen2 */ | |
4244 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR_GEN2), /* QDR Gen2 */ | |
4245 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN), /* EN 10GigE */ | |
4246 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN_GEN2), /* EN 10GigE Gen2 */ | |
4247 | /* MT25458 ConnectX EN 10GBASE-T */ | |
4248 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN), | |
4249 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_T_GEN2), /* Gen2 */ | |
4250 | /* MT26468 ConnectX EN 10GigE PCIe Gen2*/ | |
4251 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_GEN2), | |
4252 | /* MT26438 ConnectX EN 40GigE PCIe Gen2 5GT/s */ | |
4253 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_5_GEN2), | |
4254 | /* MT26478 ConnectX2 40GigE PCIe Gen2 */ | |
4255 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX2), | |
4256 | /* MT25400 Family [ConnectX-2] */ | |
4257 | MLX_VF(0x1002), /* Virtual Function */ | |
a1b87145 | 4258 | #endif /* CONFIG_MLX4_CORE_GEN2 */ |
ab9c17a0 | 4259 | /* MT27500 Family [ConnectX-3] */ |
c19e4b90 BH |
4260 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3), |
4261 | MLX_VF(0x1004), /* Virtual Function */ | |
4262 | MLX_GN(0x1005), /* MT27510 Family */ | |
4263 | MLX_GN(0x1006), /* MT27511 Family */ | |
4264 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3_PRO), /* MT27520 Family */ | |
4265 | MLX_GN(0x1008), /* MT27521 Family */ | |
4266 | MLX_GN(0x1009), /* MT27530 Family */ | |
4267 | MLX_GN(0x100a), /* MT27531 Family */ | |
4268 | MLX_GN(0x100b), /* MT27540 Family */ | |
4269 | MLX_GN(0x100c), /* MT27541 Family */ | |
4270 | MLX_GN(0x100d), /* MT27550 Family */ | |
4271 | MLX_GN(0x100e), /* MT27551 Family */ | |
4272 | MLX_GN(0x100f), /* MT27560 Family */ | |
4273 | MLX_GN(0x1010), /* MT27561 Family */ | |
4274 | ||
4275 | /* | |
4276 | * See the mellanox_check_broken_intx_masking() quirk when | |
4277 | * adding devices | |
4278 | */ | |
4279 | ||
225c7b1f RD |
4280 | { 0, } |
4281 | }; | |
4282 | ||
4283 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
4284 | ||
57dbf29a KSS |
4285 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
4286 | pci_channel_state_t state) | |
4287 | { | |
2ba5fbd6 YH |
4288 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4289 | ||
4290 | mlx4_err(persist->dev, "mlx4_pci_err_detected was called\n"); | |
4291 | mlx4_enter_error_state(persist); | |
57dbf29a | 4292 | |
2ba5fbd6 YH |
4293 | mutex_lock(&persist->interface_state_mutex); |
4294 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
4295 | mlx4_unload_one(pdev); | |
4296 | ||
4297 | mutex_unlock(&persist->interface_state_mutex); | |
4298 | if (state == pci_channel_io_perm_failure) | |
4299 | return PCI_ERS_RESULT_DISCONNECT; | |
4300 | ||
4bfd2e6e | 4301 | mlx4_pci_disable_device(persist->dev); |
2ba5fbd6 | 4302 | return PCI_ERS_RESULT_NEED_RESET; |
57dbf29a KSS |
4303 | } |
4304 | ||
4305 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) | |
4306 | { | |
2ba5fbd6 YH |
4307 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4308 | struct mlx4_dev *dev = persist->dev; | |
c12833ac | 4309 | int err; |
97a5221f | 4310 | |
2ba5fbd6 | 4311 | mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); |
4bfd2e6e | 4312 | err = mlx4_pci_enable_device(dev); |
c12833ac DJ |
4313 | if (err) { |
4314 | mlx4_err(dev, "Can not re-enable device, err=%d\n", err); | |
2ba5fbd6 YH |
4315 | return PCI_ERS_RESULT_DISCONNECT; |
4316 | } | |
4317 | ||
4318 | pci_set_master(pdev); | |
4319 | pci_restore_state(pdev); | |
4320 | pci_save_state(pdev); | |
c12833ac DJ |
4321 | return PCI_ERS_RESULT_RECOVERED; |
4322 | } | |
4323 | ||
4324 | static void mlx4_pci_resume(struct pci_dev *pdev) | |
4325 | { | |
4326 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4327 | struct mlx4_dev *dev = persist->dev; | |
4328 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4329 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
4330 | int total_vfs; | |
4331 | int err; | |
2ba5fbd6 | 4332 | |
c12833ac | 4333 | mlx4_err(dev, "%s was called\n", __func__); |
2ba5fbd6 YH |
4334 | total_vfs = dev->persist->num_vfs; |
4335 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
4336 | ||
4337 | mutex_lock(&persist->interface_state_mutex); | |
4338 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { | |
c12833ac | 4339 | err = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, |
55ad3592 | 4340 | priv, 1); |
c12833ac DJ |
4341 | if (err) { |
4342 | mlx4_err(dev, "%s: mlx4_load_one failed, err=%d\n", | |
4343 | __func__, err); | |
2ba5fbd6 YH |
4344 | goto end; |
4345 | } | |
4346 | ||
c12833ac | 4347 | err = restore_current_port_types(dev, dev->persist-> |
2ba5fbd6 YH |
4348 | curr_port_type, dev->persist-> |
4349 | curr_port_poss_type); | |
c12833ac DJ |
4350 | if (err) |
4351 | mlx4_err(dev, "could not restore original port types (%d)\n", err); | |
2ba5fbd6 YH |
4352 | } |
4353 | end: | |
4354 | mutex_unlock(&persist->interface_state_mutex); | |
57dbf29a | 4355 | |
57dbf29a KSS |
4356 | } |
4357 | ||
2ba5fbd6 YH |
4358 | static void mlx4_shutdown(struct pci_dev *pdev) |
4359 | { | |
4360 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4361 | ||
4362 | mlx4_info(persist->dev, "mlx4_shutdown was called\n"); | |
4363 | mutex_lock(&persist->interface_state_mutex); | |
b4353708 | 4364 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
2ba5fbd6 YH |
4365 | mlx4_unload_one(pdev); |
4366 | mutex_unlock(&persist->interface_state_mutex); | |
4367 | } | |
4368 | ||
3646f0e5 | 4369 | static const struct pci_error_handlers mlx4_err_handler = { |
57dbf29a KSS |
4370 | .error_detected = mlx4_pci_err_detected, |
4371 | .slot_reset = mlx4_pci_slot_reset, | |
c12833ac | 4372 | .resume = mlx4_pci_resume, |
57dbf29a KSS |
4373 | }; |
4374 | ||
86a3e5d0 YH |
4375 | static int mlx4_suspend(struct pci_dev *pdev, pm_message_t state) |
4376 | { | |
4377 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4378 | struct mlx4_dev *dev = persist->dev; | |
4379 | ||
4380 | mlx4_err(dev, "suspend was called\n"); | |
4381 | mutex_lock(&persist->interface_state_mutex); | |
4382 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
4383 | mlx4_unload_one(pdev); | |
4384 | mutex_unlock(&persist->interface_state_mutex); | |
4385 | ||
4386 | return 0; | |
4387 | } | |
4388 | ||
4389 | static int mlx4_resume(struct pci_dev *pdev) | |
4390 | { | |
4391 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4392 | struct mlx4_dev *dev = persist->dev; | |
4393 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4394 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
4395 | int total_vfs; | |
4396 | int ret = 0; | |
4397 | ||
4398 | mlx4_err(dev, "resume was called\n"); | |
4399 | total_vfs = dev->persist->num_vfs; | |
4400 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
4401 | ||
4402 | mutex_lock(&persist->interface_state_mutex); | |
4403 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { | |
4404 | ret = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, | |
4405 | nvfs, priv, 1); | |
4406 | if (!ret) { | |
4407 | ret = restore_current_port_types(dev, | |
4408 | dev->persist->curr_port_type, | |
4409 | dev->persist->curr_port_poss_type); | |
4410 | if (ret) | |
4411 | mlx4_err(dev, "resume: could not restore original port types (%d)\n", ret); | |
4412 | } | |
4413 | } | |
4414 | mutex_unlock(&persist->interface_state_mutex); | |
4415 | ||
4416 | return ret; | |
4417 | } | |
4418 | ||
225c7b1f RD |
4419 | static struct pci_driver mlx4_driver = { |
4420 | .name = DRV_NAME, | |
4421 | .id_table = mlx4_pci_table, | |
4422 | .probe = mlx4_init_one, | |
2ba5fbd6 | 4423 | .shutdown = mlx4_shutdown, |
f57e6848 | 4424 | .remove = mlx4_remove_one, |
86a3e5d0 YH |
4425 | .suspend = mlx4_suspend, |
4426 | .resume = mlx4_resume, | |
57dbf29a | 4427 | .err_handler = &mlx4_err_handler, |
225c7b1f RD |
4428 | }; |
4429 | ||
7ff93f8b YP |
4430 | static int __init mlx4_verify_params(void) |
4431 | { | |
e5732838 TT |
4432 | if (msi_x < 0) { |
4433 | pr_warn("mlx4_core: bad msi_x: %d\n", msi_x); | |
4434 | return -1; | |
4435 | } | |
4436 | ||
7ff93f8b | 4437 | if ((log_num_mac < 0) || (log_num_mac > 7)) { |
c20862c8 | 4438 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
4439 | return -1; |
4440 | } | |
4441 | ||
cb29688a | 4442 | if (log_num_vlan != 0) |
c20862c8 AV |
4443 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
4444 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 4445 | |
ecc8fb11 AV |
4446 | if (use_prio != 0) |
4447 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); | |
7ff93f8b | 4448 | |
7cc77bf4 | 4449 | if ((log_mtts_per_seg < 0) || (log_mtts_per_seg > 7)) { |
c20862c8 AV |
4450 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
4451 | log_mtts_per_seg); | |
ab6bf42e EC |
4452 | return -1; |
4453 | } | |
4454 | ||
ab9c17a0 JM |
4455 | /* Check if module param for ports type has legal combination */ |
4456 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
c20862c8 | 4457 | pr_warn("Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); |
ab9c17a0 JM |
4458 | port_type_array[0] = true; |
4459 | } | |
4460 | ||
7d077cd3 MB |
4461 | if (mlx4_log_num_mgm_entry_size < -7 || |
4462 | (mlx4_log_num_mgm_entry_size > 0 && | |
4463 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || | |
4464 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE))) { | |
4465 | pr_warn("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not in legal range (-7..0 or %d..%d)\n", | |
1a91de28 JP |
4466 | mlx4_log_num_mgm_entry_size, |
4467 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, | |
4468 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); | |
3c439b55 JM |
4469 | return -1; |
4470 | } | |
4471 | ||
7ff93f8b YP |
4472 | return 0; |
4473 | } | |
4474 | ||
225c7b1f RD |
4475 | static int __init mlx4_init(void) |
4476 | { | |
4477 | int ret; | |
4478 | ||
7ff93f8b YP |
4479 | if (mlx4_verify_params()) |
4480 | return -EINVAL; | |
4481 | ||
27bf91d6 YP |
4482 | |
4483 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
4484 | if (!mlx4_wq) | |
4485 | return -ENOMEM; | |
ee49bd93 | 4486 | |
225c7b1f | 4487 | ret = pci_register_driver(&mlx4_driver); |
1b85ee09 WY |
4488 | if (ret < 0) |
4489 | destroy_workqueue(mlx4_wq); | |
225c7b1f RD |
4490 | return ret < 0 ? ret : 0; |
4491 | } | |
4492 | ||
4493 | static void __exit mlx4_cleanup(void) | |
4494 | { | |
4495 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 4496 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
4497 | } |
4498 | ||
4499 | module_init(mlx4_init); | |
4500 | module_exit(mlx4_cleanup); |