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Commit | Line | Data |
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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> | |
37 | #include <linux/init.h> | |
38 | #include <linux/errno.h> | |
39 | #include <linux/pci.h> | |
40 | #include <linux/dma-mapping.h> | |
5a0e3ad6 | 41 | #include <linux/slab.h> |
225c7b1f RD |
42 | |
43 | #include <linux/mlx4/device.h> | |
44 | #include <linux/mlx4/doorbell.h> | |
45 | ||
46 | #include "mlx4.h" | |
47 | #include "fw.h" | |
48 | #include "icm.h" | |
49 | ||
50 | MODULE_AUTHOR("Roland Dreier"); | |
51 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
52 | MODULE_LICENSE("Dual BSD/GPL"); | |
53 | MODULE_VERSION(DRV_VERSION); | |
54 | ||
27bf91d6 YP |
55 | struct workqueue_struct *mlx4_wq; |
56 | ||
225c7b1f RD |
57 | #ifdef CONFIG_MLX4_DEBUG |
58 | ||
59 | int mlx4_debug_level = 0; | |
60 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
61 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
62 | ||
63 | #endif /* CONFIG_MLX4_DEBUG */ | |
64 | ||
65 | #ifdef CONFIG_PCI_MSI | |
66 | ||
08fb1055 | 67 | static int msi_x = 1; |
225c7b1f RD |
68 | module_param(msi_x, int, 0444); |
69 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
70 | ||
71 | #else /* CONFIG_PCI_MSI */ | |
72 | ||
73 | #define msi_x (0) | |
74 | ||
75 | #endif /* CONFIG_PCI_MSI */ | |
76 | ||
f33afc26 | 77 | static char mlx4_version[] __devinitdata = |
225c7b1f RD |
78 | DRV_NAME ": Mellanox ConnectX core driver v" |
79 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
80 | ||
81 | static struct mlx4_profile default_profile = { | |
9b1f3851 | 82 | .num_qp = 1 << 17, |
225c7b1f | 83 | .num_srq = 1 << 16, |
c9f2ba5e | 84 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
85 | .num_cq = 1 << 16, |
86 | .num_mcg = 1 << 13, | |
87 | .num_mpt = 1 << 17, | |
88 | .num_mtt = 1 << 20, | |
89 | }; | |
90 | ||
93fc9e1b YP |
91 | static int log_num_mac = 2; |
92 | module_param_named(log_num_mac, log_num_mac, int, 0444); | |
93 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
94 | ||
95 | static int log_num_vlan; | |
96 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
97 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
98 | ||
99 | static int use_prio; | |
100 | module_param_named(use_prio, use_prio, bool, 0444); | |
101 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " | |
102 | "(0/1, default 0)"); | |
103 | ||
ab6bf42e EC |
104 | static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
105 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); | |
0498628f | 106 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 107 | |
27bf91d6 YP |
108 | int mlx4_check_port_params(struct mlx4_dev *dev, |
109 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
110 | { |
111 | int i; | |
112 | ||
113 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
27bf91d6 YP |
114 | if (port_type[i] != port_type[i + 1]) { |
115 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { | |
116 | mlx4_err(dev, "Only same port types supported " | |
117 | "on this HCA, aborting.\n"); | |
118 | return -EINVAL; | |
119 | } | |
120 | if (port_type[i] == MLX4_PORT_TYPE_ETH && | |
121 | port_type[i + 1] == MLX4_PORT_TYPE_IB) | |
122 | return -EINVAL; | |
7ff93f8b YP |
123 | } |
124 | } | |
7ff93f8b YP |
125 | |
126 | for (i = 0; i < dev->caps.num_ports; i++) { | |
127 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
128 | mlx4_err(dev, "Requested port type for port %d is not " | |
129 | "supported on this HCA\n", i + 1); | |
130 | return -EINVAL; | |
131 | } | |
132 | } | |
133 | return 0; | |
134 | } | |
135 | ||
136 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
137 | { | |
138 | int i; | |
139 | ||
140 | dev->caps.port_mask = 0; | |
141 | for (i = 1; i <= dev->caps.num_ports; ++i) | |
142 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB) | |
143 | dev->caps.port_mask |= 1 << (i - 1); | |
144 | } | |
3d73c288 | 145 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
146 | { |
147 | int err; | |
5ae2a7a8 | 148 | int i; |
225c7b1f RD |
149 | |
150 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
151 | if (err) { | |
152 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
153 | return err; | |
154 | } | |
155 | ||
156 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
157 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
158 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
159 | dev_cap->min_page_sz, PAGE_SIZE); | |
160 | return -ENODEV; | |
161 | } | |
162 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
163 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
164 | "aborting.\n", | |
165 | dev_cap->num_ports, MLX4_MAX_PORTS); | |
166 | return -ENODEV; | |
167 | } | |
168 | ||
169 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
170 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " | |
171 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
172 | dev_cap->uar_size, | |
173 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
174 | return -ENODEV; | |
175 | } | |
176 | ||
177 | dev->caps.num_ports = dev_cap->num_ports; | |
5ae2a7a8 RD |
178 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
179 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
b79acb49 | 180 | dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i]; |
5ae2a7a8 RD |
181 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; |
182 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; | |
183 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; | |
b79acb49 YP |
184 | dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i]; |
185 | dev->caps.def_mac[i] = dev_cap->def_mac[i]; | |
7ff93f8b | 186 | dev->caps.supported_type[i] = dev_cap->supported_port_types[i]; |
7699517d YP |
187 | dev->caps.trans_type[i] = dev_cap->trans_type[i]; |
188 | dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i]; | |
189 | dev->caps.wavelength[i] = dev_cap->wavelength[i]; | |
190 | dev->caps.trans_code[i] = dev_cap->trans_code[i]; | |
5ae2a7a8 RD |
191 | } |
192 | ||
225c7b1f | 193 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
194 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
195 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
196 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
197 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
198 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
199 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
200 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
201 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
202 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
203 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
204 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
205 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
206 | dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM; | |
207 | /* | |
208 | * Subtract 1 from the limit because we need to allocate a | |
209 | * spare CQE so the HCA HW can tell the difference between an | |
210 | * empty CQ and a full CQ. | |
211 | */ | |
212 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
213 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
214 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
ab6bf42e | 215 | dev->caps.mtts_per_seg = 1 << log_mtts_per_seg; |
121964ec | 216 | dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts, |
ab6bf42e | 217 | dev->caps.mtts_per_seg); |
225c7b1f RD |
218 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
219 | dev->caps.reserved_uars = dev_cap->reserved_uars; | |
220 | dev->caps.reserved_pds = dev_cap->reserved_pds; | |
ab6bf42e | 221 | dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz; |
149983af | 222 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
223 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
224 | dev->caps.flags = dev_cap->flags; | |
95d04f07 RD |
225 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
226 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 227 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
0533943c | 228 | dev->caps.udp_rss = dev_cap->udp_rss; |
e7c1c2c4 | 229 | dev->caps.loopback_support = dev_cap->loopback_support; |
b832be1e | 230 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
225c7b1f | 231 | |
93fc9e1b YP |
232 | dev->caps.log_num_macs = log_num_mac; |
233 | dev->caps.log_num_vlans = log_num_vlan; | |
234 | dev->caps.log_num_prios = use_prio ? 3 : 0; | |
235 | ||
236 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
7ff93f8b YP |
237 | if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH) |
238 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
239 | else | |
240 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
241 | dev->caps.possible_type[i] = dev->caps.port_type[i]; |
242 | mlx4_priv(dev)->sense.sense_allowed[i] = | |
243 | dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO; | |
7ff93f8b | 244 | |
93fc9e1b YP |
245 | if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) { |
246 | dev->caps.log_num_macs = dev_cap->log_max_macs[i]; | |
247 | mlx4_warn(dev, "Requested number of MACs is too much " | |
248 | "for port %d, reducing to %d.\n", | |
249 | i, 1 << dev->caps.log_num_macs); | |
250 | } | |
251 | if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) { | |
252 | dev->caps.log_num_vlans = dev_cap->log_max_vlans[i]; | |
253 | mlx4_warn(dev, "Requested number of VLANs is too much " | |
254 | "for port %d, reducing to %d.\n", | |
255 | i, 1 << dev->caps.log_num_vlans); | |
256 | } | |
257 | } | |
258 | ||
7ff93f8b YP |
259 | mlx4_set_port_mask(dev); |
260 | ||
93fc9e1b YP |
261 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
262 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
263 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
264 | (1 << dev->caps.log_num_macs) * | |
265 | (1 << dev->caps.log_num_vlans) * | |
266 | (1 << dev->caps.log_num_prios) * | |
267 | dev->caps.num_ports; | |
268 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
269 | ||
270 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
271 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
272 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
273 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
274 | ||
225c7b1f RD |
275 | return 0; |
276 | } | |
277 | ||
7ff93f8b YP |
278 | /* |
279 | * Change the port configuration of the device. | |
280 | * Every user of this function must hold the port mutex. | |
281 | */ | |
27bf91d6 YP |
282 | int mlx4_change_port_types(struct mlx4_dev *dev, |
283 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
284 | { |
285 | int err = 0; | |
286 | int change = 0; | |
287 | int port; | |
288 | ||
289 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
290 | /* Change the port type only if the new type is different |
291 | * from the current, and not set to Auto */ | |
7ff93f8b YP |
292 | if (port_types[port] != dev->caps.port_type[port + 1]) { |
293 | change = 1; | |
294 | dev->caps.port_type[port + 1] = port_types[port]; | |
295 | } | |
296 | } | |
297 | if (change) { | |
298 | mlx4_unregister_device(dev); | |
299 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
300 | mlx4_CLOSE_PORT(dev, port); | |
301 | err = mlx4_SET_PORT(dev, port); | |
302 | if (err) { | |
303 | mlx4_err(dev, "Failed to set port %d, " | |
304 | "aborting\n", port); | |
305 | goto out; | |
306 | } | |
307 | } | |
308 | mlx4_set_port_mask(dev); | |
309 | err = mlx4_register_device(dev); | |
310 | } | |
311 | ||
312 | out: | |
313 | return err; | |
314 | } | |
315 | ||
316 | static ssize_t show_port_type(struct device *dev, | |
317 | struct device_attribute *attr, | |
318 | char *buf) | |
319 | { | |
320 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
321 | port_attr); | |
322 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
323 | char type[8]; |
324 | ||
325 | sprintf(type, "%s", | |
326 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
327 | "ib" : "eth"); | |
328 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
329 | sprintf(buf, "auto (%s)\n", type); | |
330 | else | |
331 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 332 | |
27bf91d6 | 333 | return strlen(buf); |
7ff93f8b YP |
334 | } |
335 | ||
336 | static ssize_t set_port_type(struct device *dev, | |
337 | struct device_attribute *attr, | |
338 | const char *buf, size_t count) | |
339 | { | |
340 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
341 | port_attr); | |
342 | struct mlx4_dev *mdev = info->dev; | |
343 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
344 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 345 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
346 | int i; |
347 | int err = 0; | |
348 | ||
349 | if (!strcmp(buf, "ib\n")) | |
350 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
351 | else if (!strcmp(buf, "eth\n")) | |
352 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
353 | else if (!strcmp(buf, "auto\n")) |
354 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
355 | else { |
356 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
357 | return -EINVAL; | |
358 | } | |
359 | ||
27bf91d6 | 360 | mlx4_stop_sense(mdev); |
7ff93f8b | 361 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
362 | /* Possible type is always the one that was delivered */ |
363 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
364 | ||
365 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 366 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
367 | mdev->caps.possible_type[i+1]; |
368 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
369 | types[i] = mdev->caps.port_type[i+1]; | |
370 | } | |
7ff93f8b | 371 | |
27bf91d6 YP |
372 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
373 | for (i = 1; i <= mdev->caps.num_ports; i++) { | |
374 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
375 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
376 | err = -EINVAL; | |
377 | } | |
378 | } | |
379 | } | |
380 | if (err) { | |
381 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. " | |
382 | "Set only 'eth' or 'ib' for both ports " | |
383 | "(should be the same)\n"); | |
384 | goto out; | |
385 | } | |
386 | ||
387 | mlx4_do_sense_ports(mdev, new_types, types); | |
388 | ||
389 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
390 | if (err) |
391 | goto out; | |
392 | ||
27bf91d6 YP |
393 | /* We are about to apply the changes after the configuration |
394 | * was verified, no need to remember the temporary types | |
395 | * any more */ | |
396 | for (i = 0; i < mdev->caps.num_ports; i++) | |
397 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 398 | |
27bf91d6 | 399 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
400 | |
401 | out: | |
27bf91d6 | 402 | mlx4_start_sense(mdev); |
7ff93f8b YP |
403 | mutex_unlock(&priv->port_mutex); |
404 | return err ? err : count; | |
405 | } | |
406 | ||
e8f9b2ed | 407 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
408 | { |
409 | struct mlx4_priv *priv = mlx4_priv(dev); | |
410 | int err; | |
411 | ||
412 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 413 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
414 | if (!priv->fw.fw_icm) { |
415 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); | |
416 | return -ENOMEM; | |
417 | } | |
418 | ||
419 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
420 | if (err) { | |
421 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); | |
422 | goto err_free; | |
423 | } | |
424 | ||
425 | err = mlx4_RUN_FW(dev); | |
426 | if (err) { | |
427 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); | |
428 | goto err_unmap_fa; | |
429 | } | |
430 | ||
431 | return 0; | |
432 | ||
433 | err_unmap_fa: | |
434 | mlx4_UNMAP_FA(dev); | |
435 | ||
436 | err_free: | |
5b0bf5e2 | 437 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
438 | return err; |
439 | } | |
440 | ||
e8f9b2ed RD |
441 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
442 | int cmpt_entry_sz) | |
225c7b1f RD |
443 | { |
444 | struct mlx4_priv *priv = mlx4_priv(dev); | |
445 | int err; | |
446 | ||
447 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
448 | cmpt_base + | |
449 | ((u64) (MLX4_CMPT_TYPE_QP * | |
450 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
451 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
452 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
453 | 0, 0); | |
225c7b1f RD |
454 | if (err) |
455 | goto err; | |
456 | ||
457 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
458 | cmpt_base + | |
459 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
460 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
461 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 462 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
463 | if (err) |
464 | goto err_qp; | |
465 | ||
466 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
467 | cmpt_base + | |
468 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
469 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
470 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 471 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
472 | if (err) |
473 | goto err_srq; | |
474 | ||
475 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, | |
476 | cmpt_base + | |
477 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
478 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
479 | cmpt_entry_sz, | |
b8dd786f | 480 | dev->caps.num_eqs, dev->caps.num_eqs, 0, 0); |
225c7b1f RD |
481 | if (err) |
482 | goto err_cq; | |
483 | ||
484 | return 0; | |
485 | ||
486 | err_cq: | |
487 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
488 | ||
489 | err_srq: | |
490 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
491 | ||
492 | err_qp: | |
493 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
494 | ||
495 | err: | |
496 | return err; | |
497 | } | |
498 | ||
3d73c288 RD |
499 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
500 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
501 | { |
502 | struct mlx4_priv *priv = mlx4_priv(dev); | |
503 | u64 aux_pages; | |
504 | int err; | |
505 | ||
506 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
507 | if (err) { | |
508 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); | |
509 | return err; | |
510 | } | |
511 | ||
512 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", | |
513 | (unsigned long long) icm_size >> 10, | |
514 | (unsigned long long) aux_pages << 2); | |
515 | ||
516 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 517 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
518 | if (!priv->fw.aux_icm) { |
519 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); | |
520 | return -ENOMEM; | |
521 | } | |
522 | ||
523 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
524 | if (err) { | |
525 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); | |
526 | goto err_free_aux; | |
527 | } | |
528 | ||
529 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
530 | if (err) { | |
531 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); | |
532 | goto err_unmap_aux; | |
533 | } | |
534 | ||
fa0681d2 RD |
535 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
536 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
537 | dev->caps.num_eqs, dev->caps.num_eqs, | |
538 | 0, 0); | |
225c7b1f RD |
539 | if (err) { |
540 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); | |
541 | goto err_unmap_cmpt; | |
542 | } | |
543 | ||
d7bb58fb JM |
544 | /* |
545 | * Reserved MTT entries must be aligned up to a cacheline | |
546 | * boundary, since the FW will write to them, while the driver | |
547 | * writes to all other MTT entries. (The variable | |
548 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
549 | * size, not the raw entry size) | |
550 | */ | |
551 | dev->caps.reserved_mtts = | |
552 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
553 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
554 | ||
225c7b1f RD |
555 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
556 | init_hca->mtt_base, | |
557 | dev->caps.mtt_entry_sz, | |
558 | dev->caps.num_mtt_segs, | |
5b0bf5e2 | 559 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f RD |
560 | if (err) { |
561 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); | |
562 | goto err_unmap_eq; | |
563 | } | |
564 | ||
565 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
566 | init_hca->dmpt_base, | |
567 | dev_cap->dmpt_entry_sz, | |
568 | dev->caps.num_mpts, | |
5b0bf5e2 | 569 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f RD |
570 | if (err) { |
571 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); | |
572 | goto err_unmap_mtt; | |
573 | } | |
574 | ||
575 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
576 | init_hca->qpc_base, | |
577 | dev_cap->qpc_entry_sz, | |
578 | dev->caps.num_qps, | |
93fc9e1b YP |
579 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
580 | 0, 0); | |
225c7b1f RD |
581 | if (err) { |
582 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); | |
583 | goto err_unmap_dmpt; | |
584 | } | |
585 | ||
586 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
587 | init_hca->auxc_base, | |
588 | dev_cap->aux_entry_sz, | |
589 | dev->caps.num_qps, | |
93fc9e1b YP |
590 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
591 | 0, 0); | |
225c7b1f RD |
592 | if (err) { |
593 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); | |
594 | goto err_unmap_qp; | |
595 | } | |
596 | ||
597 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
598 | init_hca->altc_base, | |
599 | dev_cap->altc_entry_sz, | |
600 | dev->caps.num_qps, | |
93fc9e1b YP |
601 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
602 | 0, 0); | |
225c7b1f RD |
603 | if (err) { |
604 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); | |
605 | goto err_unmap_auxc; | |
606 | } | |
607 | ||
608 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
609 | init_hca->rdmarc_base, | |
610 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
611 | dev->caps.num_qps, | |
93fc9e1b YP |
612 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
613 | 0, 0); | |
225c7b1f RD |
614 | if (err) { |
615 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
616 | goto err_unmap_altc; | |
617 | } | |
618 | ||
619 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
620 | init_hca->cqc_base, | |
621 | dev_cap->cqc_entry_sz, | |
622 | dev->caps.num_cqs, | |
5b0bf5e2 | 623 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
624 | if (err) { |
625 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); | |
626 | goto err_unmap_rdmarc; | |
627 | } | |
628 | ||
629 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
630 | init_hca->srqc_base, | |
631 | dev_cap->srq_entry_sz, | |
632 | dev->caps.num_srqs, | |
5b0bf5e2 | 633 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
634 | if (err) { |
635 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); | |
636 | goto err_unmap_cq; | |
637 | } | |
638 | ||
639 | /* | |
640 | * It's not strictly required, but for simplicity just map the | |
641 | * whole multicast group table now. The table isn't very big | |
642 | * and it's a lot easier than trying to track ref counts. | |
643 | */ | |
644 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
645 | init_hca->mc_base, MLX4_MGM_ENTRY_SIZE, | |
646 | dev->caps.num_mgms + dev->caps.num_amgms, | |
647 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 648 | 0, 0); |
225c7b1f RD |
649 | if (err) { |
650 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); | |
651 | goto err_unmap_srq; | |
652 | } | |
653 | ||
654 | return 0; | |
655 | ||
656 | err_unmap_srq: | |
657 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
658 | ||
659 | err_unmap_cq: | |
660 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
661 | ||
662 | err_unmap_rdmarc: | |
663 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
664 | ||
665 | err_unmap_altc: | |
666 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
667 | ||
668 | err_unmap_auxc: | |
669 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
670 | ||
671 | err_unmap_qp: | |
672 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
673 | ||
674 | err_unmap_dmpt: | |
675 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
676 | ||
677 | err_unmap_mtt: | |
678 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
679 | ||
680 | err_unmap_eq: | |
fa0681d2 | 681 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
682 | |
683 | err_unmap_cmpt: | |
684 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
685 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
686 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
687 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
688 | ||
689 | err_unmap_aux: | |
690 | mlx4_UNMAP_ICM_AUX(dev); | |
691 | ||
692 | err_free_aux: | |
5b0bf5e2 | 693 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
694 | |
695 | return err; | |
696 | } | |
697 | ||
698 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
699 | { | |
700 | struct mlx4_priv *priv = mlx4_priv(dev); | |
701 | ||
702 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
703 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
704 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
705 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
706 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
707 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
708 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
709 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
710 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 711 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
712 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
713 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
714 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
715 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
716 | |
717 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 718 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
719 | } |
720 | ||
721 | static void mlx4_close_hca(struct mlx4_dev *dev) | |
722 | { | |
723 | mlx4_CLOSE_HCA(dev, 0); | |
724 | mlx4_free_icms(dev); | |
725 | mlx4_UNMAP_FA(dev); | |
5b0bf5e2 | 726 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
225c7b1f RD |
727 | } |
728 | ||
3d73c288 | 729 | static int mlx4_init_hca(struct mlx4_dev *dev) |
225c7b1f RD |
730 | { |
731 | struct mlx4_priv *priv = mlx4_priv(dev); | |
732 | struct mlx4_adapter adapter; | |
733 | struct mlx4_dev_cap dev_cap; | |
2d928651 | 734 | struct mlx4_mod_stat_cfg mlx4_cfg; |
225c7b1f RD |
735 | struct mlx4_profile profile; |
736 | struct mlx4_init_hca_param init_hca; | |
737 | u64 icm_size; | |
738 | int err; | |
739 | ||
740 | err = mlx4_QUERY_FW(dev); | |
741 | if (err) { | |
cc4ac2e7 YP |
742 | if (err == -EACCES) |
743 | mlx4_info(dev, "non-primary physical function, skipping.\n"); | |
744 | else | |
745 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); | |
225c7b1f RD |
746 | return err; |
747 | } | |
748 | ||
749 | err = mlx4_load_fw(dev); | |
750 | if (err) { | |
751 | mlx4_err(dev, "Failed to start FW, aborting.\n"); | |
752 | return err; | |
753 | } | |
754 | ||
2d928651 VS |
755 | mlx4_cfg.log_pg_sz_m = 1; |
756 | mlx4_cfg.log_pg_sz = 0; | |
757 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
758 | if (err) | |
759 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
760 | ||
225c7b1f RD |
761 | err = mlx4_dev_cap(dev, &dev_cap); |
762 | if (err) { | |
763 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
764 | goto err_stop_fw; | |
765 | } | |
766 | ||
767 | profile = default_profile; | |
768 | ||
769 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca); | |
770 | if ((long long) icm_size < 0) { | |
771 | err = icm_size; | |
772 | goto err_stop_fw; | |
773 | } | |
774 | ||
775 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); | |
776 | ||
777 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); | |
778 | if (err) | |
779 | goto err_stop_fw; | |
780 | ||
781 | err = mlx4_INIT_HCA(dev, &init_hca); | |
782 | if (err) { | |
783 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); | |
784 | goto err_free_icm; | |
785 | } | |
786 | ||
787 | err = mlx4_QUERY_ADAPTER(dev, &adapter); | |
788 | if (err) { | |
789 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); | |
790 | goto err_close; | |
791 | } | |
792 | ||
793 | priv->eq_table.inta_pin = adapter.inta_pin; | |
cd9281d8 | 794 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
795 | |
796 | return 0; | |
797 | ||
798 | err_close: | |
1af92e2a | 799 | mlx4_CLOSE_HCA(dev, 0); |
225c7b1f RD |
800 | |
801 | err_free_icm: | |
802 | mlx4_free_icms(dev); | |
803 | ||
804 | err_stop_fw: | |
805 | mlx4_UNMAP_FA(dev); | |
5b0bf5e2 | 806 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
807 | |
808 | return err; | |
809 | } | |
810 | ||
3d73c288 | 811 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
812 | { |
813 | struct mlx4_priv *priv = mlx4_priv(dev); | |
814 | int err; | |
7ff93f8b | 815 | int port; |
9a5aa622 | 816 | __be32 ib_port_default_caps; |
225c7b1f | 817 | |
225c7b1f RD |
818 | err = mlx4_init_uar_table(dev); |
819 | if (err) { | |
820 | mlx4_err(dev, "Failed to initialize " | |
821 | "user access region table, aborting.\n"); | |
822 | return err; | |
823 | } | |
824 | ||
825 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
826 | if (err) { | |
827 | mlx4_err(dev, "Failed to allocate driver access region, " | |
828 | "aborting.\n"); | |
829 | goto err_uar_table_free; | |
830 | } | |
831 | ||
4979d18f | 832 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f RD |
833 | if (!priv->kar) { |
834 | mlx4_err(dev, "Couldn't map kernel access region, " | |
835 | "aborting.\n"); | |
836 | err = -ENOMEM; | |
837 | goto err_uar_free; | |
838 | } | |
839 | ||
840 | err = mlx4_init_pd_table(dev); | |
841 | if (err) { | |
842 | mlx4_err(dev, "Failed to initialize " | |
843 | "protection domain table, aborting.\n"); | |
844 | goto err_kar_unmap; | |
845 | } | |
846 | ||
847 | err = mlx4_init_mr_table(dev); | |
848 | if (err) { | |
849 | mlx4_err(dev, "Failed to initialize " | |
850 | "memory region table, aborting.\n"); | |
851 | goto err_pd_table_free; | |
852 | } | |
853 | ||
225c7b1f RD |
854 | err = mlx4_init_eq_table(dev); |
855 | if (err) { | |
856 | mlx4_err(dev, "Failed to initialize " | |
857 | "event queue table, aborting.\n"); | |
ee49bd93 | 858 | goto err_mr_table_free; |
225c7b1f RD |
859 | } |
860 | ||
861 | err = mlx4_cmd_use_events(dev); | |
862 | if (err) { | |
863 | mlx4_err(dev, "Failed to switch to event-driven " | |
864 | "firmware commands, aborting.\n"); | |
865 | goto err_eq_table_free; | |
866 | } | |
867 | ||
868 | err = mlx4_NOP(dev); | |
869 | if (err) { | |
08fb1055 MT |
870 | if (dev->flags & MLX4_FLAG_MSI_X) { |
871 | mlx4_warn(dev, "NOP command failed to generate MSI-X " | |
872 | "interrupt IRQ %d).\n", | |
b8dd786f | 873 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
08fb1055 MT |
874 | mlx4_warn(dev, "Trying again without MSI-X.\n"); |
875 | } else { | |
876 | mlx4_err(dev, "NOP command failed to generate interrupt " | |
877 | "(IRQ %d), aborting.\n", | |
b8dd786f | 878 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
225c7b1f | 879 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 880 | } |
225c7b1f RD |
881 | |
882 | goto err_cmd_poll; | |
883 | } | |
884 | ||
885 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
886 | ||
887 | err = mlx4_init_cq_table(dev); | |
888 | if (err) { | |
889 | mlx4_err(dev, "Failed to initialize " | |
890 | "completion queue table, aborting.\n"); | |
891 | goto err_cmd_poll; | |
892 | } | |
893 | ||
894 | err = mlx4_init_srq_table(dev); | |
895 | if (err) { | |
896 | mlx4_err(dev, "Failed to initialize " | |
897 | "shared receive queue table, aborting.\n"); | |
898 | goto err_cq_table_free; | |
899 | } | |
900 | ||
901 | err = mlx4_init_qp_table(dev); | |
902 | if (err) { | |
903 | mlx4_err(dev, "Failed to initialize " | |
904 | "queue pair table, aborting.\n"); | |
905 | goto err_srq_table_free; | |
906 | } | |
907 | ||
908 | err = mlx4_init_mcg_table(dev); | |
909 | if (err) { | |
910 | mlx4_err(dev, "Failed to initialize " | |
911 | "multicast group table, aborting.\n"); | |
912 | goto err_qp_table_free; | |
913 | } | |
914 | ||
7ff93f8b | 915 | for (port = 1; port <= dev->caps.num_ports; port++) { |
9a5aa622 JM |
916 | ib_port_default_caps = 0; |
917 | err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps); | |
918 | if (err) | |
919 | mlx4_warn(dev, "failed to get port %d default " | |
920 | "ib capabilities (%d). Continuing with " | |
921 | "caps = 0\n", port, err); | |
922 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; | |
7ff93f8b YP |
923 | err = mlx4_SET_PORT(dev, port); |
924 | if (err) { | |
925 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
926 | port); | |
927 | goto err_mcg_table_free; | |
928 | } | |
929 | } | |
930 | ||
225c7b1f RD |
931 | return 0; |
932 | ||
7ff93f8b YP |
933 | err_mcg_table_free: |
934 | mlx4_cleanup_mcg_table(dev); | |
935 | ||
225c7b1f RD |
936 | err_qp_table_free: |
937 | mlx4_cleanup_qp_table(dev); | |
938 | ||
939 | err_srq_table_free: | |
940 | mlx4_cleanup_srq_table(dev); | |
941 | ||
942 | err_cq_table_free: | |
943 | mlx4_cleanup_cq_table(dev); | |
944 | ||
945 | err_cmd_poll: | |
946 | mlx4_cmd_use_polling(dev); | |
947 | ||
948 | err_eq_table_free: | |
949 | mlx4_cleanup_eq_table(dev); | |
950 | ||
ee49bd93 | 951 | err_mr_table_free: |
225c7b1f RD |
952 | mlx4_cleanup_mr_table(dev); |
953 | ||
954 | err_pd_table_free: | |
955 | mlx4_cleanup_pd_table(dev); | |
956 | ||
957 | err_kar_unmap: | |
958 | iounmap(priv->kar); | |
959 | ||
960 | err_uar_free: | |
961 | mlx4_uar_free(dev, &priv->driver_uar); | |
962 | ||
963 | err_uar_table_free: | |
964 | mlx4_cleanup_uar_table(dev); | |
965 | return err; | |
966 | } | |
967 | ||
e8f9b2ed | 968 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
969 | { |
970 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f YP |
971 | struct msix_entry *entries; |
972 | int nreq; | |
225c7b1f RD |
973 | int err; |
974 | int i; | |
975 | ||
976 | if (msi_x) { | |
70cb9253 RD |
977 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
978 | num_possible_cpus() + 1); | |
b8dd786f YP |
979 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
980 | if (!entries) | |
981 | goto no_msi; | |
982 | ||
983 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
984 | entries[i].entry = i; |
985 | ||
b8dd786f YP |
986 | retry: |
987 | err = pci_enable_msix(dev->pdev, entries, nreq); | |
225c7b1f | 988 | if (err) { |
b8dd786f YP |
989 | /* Try again if at least 2 vectors are available */ |
990 | if (err > 1) { | |
991 | mlx4_info(dev, "Requested %d vectors, " | |
992 | "but only %d MSI-X vectors available, " | |
993 | "trying again\n", nreq, err); | |
994 | nreq = err; | |
995 | goto retry; | |
996 | } | |
5bf0da7d | 997 | kfree(entries); |
225c7b1f RD |
998 | goto no_msi; |
999 | } | |
1000 | ||
b8dd786f YP |
1001 | dev->caps.num_comp_vectors = nreq - 1; |
1002 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
1003 | priv->eq_table.eq[i].irq = entries[i].vector; |
1004 | ||
1005 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
1006 | |
1007 | kfree(entries); | |
225c7b1f RD |
1008 | return; |
1009 | } | |
1010 | ||
1011 | no_msi: | |
b8dd786f YP |
1012 | dev->caps.num_comp_vectors = 1; |
1013 | ||
1014 | for (i = 0; i < 2; ++i) | |
225c7b1f RD |
1015 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
1016 | } | |
1017 | ||
7ff93f8b | 1018 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
1019 | { |
1020 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 1021 | int err = 0; |
2a2336f8 YP |
1022 | |
1023 | info->dev = dev; | |
1024 | info->port = port; | |
1025 | mlx4_init_mac_table(dev, &info->mac_table); | |
1026 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
7ff93f8b YP |
1027 | |
1028 | sprintf(info->dev_name, "mlx4_port%d", port); | |
1029 | info->port_attr.attr.name = info->dev_name; | |
1030 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
1031 | info->port_attr.show = show_port_type; | |
1032 | info->port_attr.store = set_port_type; | |
3691c964 | 1033 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b YP |
1034 | |
1035 | err = device_create_file(&dev->pdev->dev, &info->port_attr); | |
1036 | if (err) { | |
1037 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
1038 | info->port = -1; | |
1039 | } | |
1040 | ||
1041 | return err; | |
1042 | } | |
1043 | ||
1044 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
1045 | { | |
1046 | if (info->port < 0) | |
1047 | return; | |
1048 | ||
1049 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
2a2336f8 YP |
1050 | } |
1051 | ||
3d73c288 | 1052 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
225c7b1f | 1053 | { |
225c7b1f RD |
1054 | struct mlx4_priv *priv; |
1055 | struct mlx4_dev *dev; | |
1056 | int err; | |
2a2336f8 | 1057 | int port; |
225c7b1f | 1058 | |
0a645e80 | 1059 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
225c7b1f RD |
1060 | |
1061 | err = pci_enable_device(pdev); | |
1062 | if (err) { | |
1063 | dev_err(&pdev->dev, "Cannot enable PCI device, " | |
1064 | "aborting.\n"); | |
1065 | return err; | |
1066 | } | |
1067 | ||
1068 | /* | |
4ff08a76 | 1069 | * Check for BARs. We expect 0: 1MB |
225c7b1f RD |
1070 | */ |
1071 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || | |
1072 | pci_resource_len(pdev, 0) != 1 << 20) { | |
1073 | dev_err(&pdev->dev, "Missing DCS, aborting.\n"); | |
1074 | err = -ENODEV; | |
1075 | goto err_disable_pdev; | |
1076 | } | |
1077 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
1078 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); | |
1079 | err = -ENODEV; | |
1080 | goto err_disable_pdev; | |
1081 | } | |
1082 | ||
a01df0fe | 1083 | err = pci_request_regions(pdev, DRV_NAME); |
225c7b1f | 1084 | if (err) { |
a01df0fe | 1085 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
225c7b1f RD |
1086 | goto err_disable_pdev; |
1087 | } | |
1088 | ||
225c7b1f RD |
1089 | pci_set_master(pdev); |
1090 | ||
6a35528a | 1091 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1092 | if (err) { |
1093 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); | |
284901a9 | 1094 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1095 | if (err) { |
1096 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); | |
a01df0fe | 1097 | goto err_release_regions; |
225c7b1f RD |
1098 | } |
1099 | } | |
6a35528a | 1100 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1101 | if (err) { |
1102 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " | |
1103 | "consistent PCI DMA mask.\n"); | |
284901a9 | 1104 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1105 | if (err) { |
1106 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " | |
1107 | "aborting.\n"); | |
a01df0fe | 1108 | goto err_release_regions; |
225c7b1f RD |
1109 | } |
1110 | } | |
1111 | ||
1112 | priv = kzalloc(sizeof *priv, GFP_KERNEL); | |
1113 | if (!priv) { | |
1114 | dev_err(&pdev->dev, "Device struct alloc failed, " | |
1115 | "aborting.\n"); | |
1116 | err = -ENOMEM; | |
a01df0fe | 1117 | goto err_release_regions; |
225c7b1f RD |
1118 | } |
1119 | ||
1120 | dev = &priv->dev; | |
1121 | dev->pdev = pdev; | |
b581401e RD |
1122 | INIT_LIST_HEAD(&priv->ctx_list); |
1123 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 1124 | |
7ff93f8b YP |
1125 | mutex_init(&priv->port_mutex); |
1126 | ||
6296883c YP |
1127 | INIT_LIST_HEAD(&priv->pgdir_list); |
1128 | mutex_init(&priv->pgdir_mutex); | |
1129 | ||
225c7b1f RD |
1130 | /* |
1131 | * Now reset the HCA before we touch the PCI capabilities or | |
1132 | * attempt a firmware command, since a boot ROM may have left | |
1133 | * the HCA in an undefined state. | |
1134 | */ | |
1135 | err = mlx4_reset(dev); | |
1136 | if (err) { | |
1137 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
1138 | goto err_free_dev; | |
1139 | } | |
1140 | ||
225c7b1f RD |
1141 | if (mlx4_cmd_init(dev)) { |
1142 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); | |
1143 | goto err_free_dev; | |
1144 | } | |
1145 | ||
1146 | err = mlx4_init_hca(dev); | |
1147 | if (err) | |
1148 | goto err_cmd; | |
1149 | ||
b8dd786f YP |
1150 | err = mlx4_alloc_eq_table(dev); |
1151 | if (err) | |
1152 | goto err_close; | |
1153 | ||
08fb1055 MT |
1154 | mlx4_enable_msi_x(dev); |
1155 | ||
225c7b1f | 1156 | err = mlx4_setup_hca(dev); |
08fb1055 MT |
1157 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) { |
1158 | dev->flags &= ~MLX4_FLAG_MSI_X; | |
1159 | pci_disable_msix(pdev); | |
1160 | err = mlx4_setup_hca(dev); | |
1161 | } | |
1162 | ||
225c7b1f | 1163 | if (err) |
b8dd786f | 1164 | goto err_free_eq; |
225c7b1f | 1165 | |
7ff93f8b YP |
1166 | for (port = 1; port <= dev->caps.num_ports; port++) { |
1167 | err = mlx4_init_port_info(dev, port); | |
1168 | if (err) | |
1169 | goto err_port; | |
1170 | } | |
2a2336f8 | 1171 | |
225c7b1f RD |
1172 | err = mlx4_register_device(dev); |
1173 | if (err) | |
7ff93f8b | 1174 | goto err_port; |
225c7b1f | 1175 | |
27bf91d6 YP |
1176 | mlx4_sense_init(dev); |
1177 | mlx4_start_sense(dev); | |
1178 | ||
225c7b1f RD |
1179 | pci_set_drvdata(pdev, dev); |
1180 | ||
1181 | return 0; | |
1182 | ||
7ff93f8b | 1183 | err_port: |
b4f77264 | 1184 | for (--port; port >= 1; --port) |
7ff93f8b YP |
1185 | mlx4_cleanup_port_info(&priv->port[port]); |
1186 | ||
225c7b1f RD |
1187 | mlx4_cleanup_mcg_table(dev); |
1188 | mlx4_cleanup_qp_table(dev); | |
1189 | mlx4_cleanup_srq_table(dev); | |
1190 | mlx4_cleanup_cq_table(dev); | |
1191 | mlx4_cmd_use_polling(dev); | |
1192 | mlx4_cleanup_eq_table(dev); | |
225c7b1f RD |
1193 | mlx4_cleanup_mr_table(dev); |
1194 | mlx4_cleanup_pd_table(dev); | |
1195 | mlx4_cleanup_uar_table(dev); | |
1196 | ||
b8dd786f YP |
1197 | err_free_eq: |
1198 | mlx4_free_eq_table(dev); | |
1199 | ||
225c7b1f | 1200 | err_close: |
08fb1055 MT |
1201 | if (dev->flags & MLX4_FLAG_MSI_X) |
1202 | pci_disable_msix(pdev); | |
1203 | ||
225c7b1f RD |
1204 | mlx4_close_hca(dev); |
1205 | ||
1206 | err_cmd: | |
1207 | mlx4_cmd_cleanup(dev); | |
1208 | ||
1209 | err_free_dev: | |
225c7b1f RD |
1210 | kfree(priv); |
1211 | ||
a01df0fe RD |
1212 | err_release_regions: |
1213 | pci_release_regions(pdev); | |
225c7b1f RD |
1214 | |
1215 | err_disable_pdev: | |
1216 | pci_disable_device(pdev); | |
1217 | pci_set_drvdata(pdev, NULL); | |
1218 | return err; | |
1219 | } | |
1220 | ||
3d73c288 RD |
1221 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
1222 | const struct pci_device_id *id) | |
1223 | { | |
0a645e80 | 1224 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 1225 | |
b027cacd | 1226 | return __mlx4_init_one(pdev, id); |
3d73c288 RD |
1227 | } |
1228 | ||
1229 | static void mlx4_remove_one(struct pci_dev *pdev) | |
225c7b1f RD |
1230 | { |
1231 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
1232 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1233 | int p; | |
1234 | ||
1235 | if (dev) { | |
27bf91d6 | 1236 | mlx4_stop_sense(dev); |
225c7b1f RD |
1237 | mlx4_unregister_device(dev); |
1238 | ||
7ff93f8b YP |
1239 | for (p = 1; p <= dev->caps.num_ports; p++) { |
1240 | mlx4_cleanup_port_info(&priv->port[p]); | |
225c7b1f | 1241 | mlx4_CLOSE_PORT(dev, p); |
7ff93f8b | 1242 | } |
225c7b1f RD |
1243 | |
1244 | mlx4_cleanup_mcg_table(dev); | |
1245 | mlx4_cleanup_qp_table(dev); | |
1246 | mlx4_cleanup_srq_table(dev); | |
1247 | mlx4_cleanup_cq_table(dev); | |
1248 | mlx4_cmd_use_polling(dev); | |
1249 | mlx4_cleanup_eq_table(dev); | |
225c7b1f RD |
1250 | mlx4_cleanup_mr_table(dev); |
1251 | mlx4_cleanup_pd_table(dev); | |
1252 | ||
1253 | iounmap(priv->kar); | |
1254 | mlx4_uar_free(dev, &priv->driver_uar); | |
1255 | mlx4_cleanup_uar_table(dev); | |
b8dd786f | 1256 | mlx4_free_eq_table(dev); |
225c7b1f RD |
1257 | mlx4_close_hca(dev); |
1258 | mlx4_cmd_cleanup(dev); | |
1259 | ||
1260 | if (dev->flags & MLX4_FLAG_MSI_X) | |
1261 | pci_disable_msix(pdev); | |
1262 | ||
1263 | kfree(priv); | |
a01df0fe | 1264 | pci_release_regions(pdev); |
225c7b1f RD |
1265 | pci_disable_device(pdev); |
1266 | pci_set_drvdata(pdev, NULL); | |
1267 | } | |
1268 | } | |
1269 | ||
ee49bd93 JM |
1270 | int mlx4_restart_one(struct pci_dev *pdev) |
1271 | { | |
1272 | mlx4_remove_one(pdev); | |
3d73c288 | 1273 | return __mlx4_init_one(pdev, NULL); |
ee49bd93 JM |
1274 | } |
1275 | ||
a3aa1884 | 1276 | static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { |
225c7b1f RD |
1277 | { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */ |
1278 | { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */ | |
1279 | { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */ | |
786f238e JM |
1280 | { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */ |
1281 | { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */ | |
57893d1c YP |
1282 | { PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */ |
1283 | { PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ | |
085343b4 JM |
1284 | { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */ |
1285 | { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ | |
92bd3bbf | 1286 | { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/ |
06c3aa5e | 1287 | { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ |
e76d0b67 | 1288 | { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */ |
31dd272e YP |
1289 | { PCI_VDEVICE(MELLANOX, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */ |
1290 | { PCI_VDEVICE(MELLANOX, 0x1003) }, /* MT27500 Family [ConnectX-3] */ | |
1291 | { PCI_VDEVICE(MELLANOX, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
1292 | { PCI_VDEVICE(MELLANOX, 0x1005) }, /* MT27510 Family */ | |
1293 | { PCI_VDEVICE(MELLANOX, 0x1006) }, /* MT27511 Family */ | |
1294 | { PCI_VDEVICE(MELLANOX, 0x1007) }, /* MT27520 Family */ | |
1295 | { PCI_VDEVICE(MELLANOX, 0x1008) }, /* MT27521 Family */ | |
1296 | { PCI_VDEVICE(MELLANOX, 0x1009) }, /* MT27530 Family */ | |
1297 | { PCI_VDEVICE(MELLANOX, 0x100a) }, /* MT27531 Family */ | |
1298 | { PCI_VDEVICE(MELLANOX, 0x100b) }, /* MT27540 Family */ | |
1299 | { PCI_VDEVICE(MELLANOX, 0x100c) }, /* MT27541 Family */ | |
1300 | { PCI_VDEVICE(MELLANOX, 0x100d) }, /* MT27550 Family */ | |
1301 | { PCI_VDEVICE(MELLANOX, 0x100e) }, /* MT27551 Family */ | |
1302 | { PCI_VDEVICE(MELLANOX, 0x100f) }, /* MT27560 Family */ | |
1303 | { PCI_VDEVICE(MELLANOX, 0x1010) }, /* MT27561 Family */ | |
225c7b1f RD |
1304 | { 0, } |
1305 | }; | |
1306 | ||
1307 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
1308 | ||
1309 | static struct pci_driver mlx4_driver = { | |
1310 | .name = DRV_NAME, | |
1311 | .id_table = mlx4_pci_table, | |
1312 | .probe = mlx4_init_one, | |
1313 | .remove = __devexit_p(mlx4_remove_one) | |
1314 | }; | |
1315 | ||
7ff93f8b YP |
1316 | static int __init mlx4_verify_params(void) |
1317 | { | |
1318 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
0a645e80 | 1319 | pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
1320 | return -1; |
1321 | } | |
1322 | ||
1323 | if ((log_num_vlan < 0) || (log_num_vlan > 7)) { | |
0a645e80 | 1324 | pr_warning("mlx4_core: bad num_vlan: %d\n", log_num_vlan); |
7ff93f8b YP |
1325 | return -1; |
1326 | } | |
1327 | ||
0498628f | 1328 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
0a645e80 | 1329 | pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); |
ab6bf42e EC |
1330 | return -1; |
1331 | } | |
1332 | ||
7ff93f8b YP |
1333 | return 0; |
1334 | } | |
1335 | ||
225c7b1f RD |
1336 | static int __init mlx4_init(void) |
1337 | { | |
1338 | int ret; | |
1339 | ||
7ff93f8b YP |
1340 | if (mlx4_verify_params()) |
1341 | return -EINVAL; | |
1342 | ||
27bf91d6 YP |
1343 | mlx4_catas_init(); |
1344 | ||
1345 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
1346 | if (!mlx4_wq) | |
1347 | return -ENOMEM; | |
ee49bd93 | 1348 | |
225c7b1f RD |
1349 | ret = pci_register_driver(&mlx4_driver); |
1350 | return ret < 0 ? ret : 0; | |
1351 | } | |
1352 | ||
1353 | static void __exit mlx4_cleanup(void) | |
1354 | { | |
1355 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 1356 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
1357 | } |
1358 | ||
1359 | module_init(mlx4_init); | |
1360 | module_exit(mlx4_cleanup); |