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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> |
c1b43dca | 42 | #include <linux/io-mapping.h> |
225c7b1f RD |
43 | |
44 | #include <linux/mlx4/device.h> | |
45 | #include <linux/mlx4/doorbell.h> | |
46 | ||
47 | #include "mlx4.h" | |
48 | #include "fw.h" | |
49 | #include "icm.h" | |
50 | ||
51 | MODULE_AUTHOR("Roland Dreier"); | |
52 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
53 | MODULE_LICENSE("Dual BSD/GPL"); | |
54 | MODULE_VERSION(DRV_VERSION); | |
55 | ||
27bf91d6 YP |
56 | struct workqueue_struct *mlx4_wq; |
57 | ||
225c7b1f RD |
58 | #ifdef CONFIG_MLX4_DEBUG |
59 | ||
60 | int mlx4_debug_level = 0; | |
61 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
62 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
63 | ||
64 | #endif /* CONFIG_MLX4_DEBUG */ | |
65 | ||
66 | #ifdef CONFIG_PCI_MSI | |
67 | ||
08fb1055 | 68 | static int msi_x = 1; |
225c7b1f RD |
69 | module_param(msi_x, int, 0444); |
70 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
71 | ||
72 | #else /* CONFIG_PCI_MSI */ | |
73 | ||
74 | #define msi_x (0) | |
75 | ||
76 | #endif /* CONFIG_PCI_MSI */ | |
77 | ||
0ec2c0f8 EE |
78 | int mlx4_log_num_mgm_entry_size = 10; |
79 | module_param_named(log_num_mgm_entry_size, | |
80 | mlx4_log_num_mgm_entry_size, int, 0444); | |
81 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
82 | " of qp per mcg, for example:" | |
83 | " 10 gives 248.range: 9<=" | |
84 | " log_num_mgm_entry_size <= 12"); | |
85 | ||
f33afc26 | 86 | static char mlx4_version[] __devinitdata = |
225c7b1f RD |
87 | DRV_NAME ": Mellanox ConnectX core driver v" |
88 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
89 | ||
90 | static struct mlx4_profile default_profile = { | |
9b1f3851 | 91 | .num_qp = 1 << 17, |
225c7b1f | 92 | .num_srq = 1 << 16, |
c9f2ba5e | 93 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
94 | .num_cq = 1 << 16, |
95 | .num_mcg = 1 << 13, | |
96 | .num_mpt = 1 << 17, | |
97 | .num_mtt = 1 << 20, | |
98 | }; | |
99 | ||
93fc9e1b YP |
100 | static int log_num_mac = 2; |
101 | module_param_named(log_num_mac, log_num_mac, int, 0444); | |
102 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
103 | ||
104 | static int log_num_vlan; | |
105 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
106 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
107 | /* Log2 max number of VLANs per ETH port (0-7) */ |
108 | #define MLX4_LOG_NUM_VLANS 7 | |
93fc9e1b YP |
109 | |
110 | static int use_prio; | |
111 | module_param_named(use_prio, use_prio, bool, 0444); | |
112 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " | |
113 | "(0/1, default 0)"); | |
114 | ||
ab6bf42e EC |
115 | static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
116 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); | |
0498628f | 117 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 118 | |
27bf91d6 YP |
119 | int mlx4_check_port_params(struct mlx4_dev *dev, |
120 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
121 | { |
122 | int i; | |
123 | ||
124 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
27bf91d6 YP |
125 | if (port_type[i] != port_type[i + 1]) { |
126 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { | |
127 | mlx4_err(dev, "Only same port types supported " | |
128 | "on this HCA, aborting.\n"); | |
129 | return -EINVAL; | |
130 | } | |
131 | if (port_type[i] == MLX4_PORT_TYPE_ETH && | |
132 | port_type[i + 1] == MLX4_PORT_TYPE_IB) | |
133 | return -EINVAL; | |
7ff93f8b YP |
134 | } |
135 | } | |
7ff93f8b YP |
136 | |
137 | for (i = 0; i < dev->caps.num_ports; i++) { | |
138 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
139 | mlx4_err(dev, "Requested port type for port %d is not " | |
140 | "supported on this HCA\n", i + 1); | |
141 | return -EINVAL; | |
142 | } | |
143 | } | |
144 | return 0; | |
145 | } | |
146 | ||
147 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
148 | { | |
149 | int i; | |
150 | ||
7ff93f8b | 151 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 152 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 153 | } |
f2a3f6a3 | 154 | |
3d73c288 | 155 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
156 | { |
157 | int err; | |
5ae2a7a8 | 158 | int i; |
225c7b1f RD |
159 | |
160 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
161 | if (err) { | |
162 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
163 | return err; | |
164 | } | |
165 | ||
166 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
167 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
168 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
169 | dev_cap->min_page_sz, PAGE_SIZE); | |
170 | return -ENODEV; | |
171 | } | |
172 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
173 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
174 | "aborting.\n", | |
175 | dev_cap->num_ports, MLX4_MAX_PORTS); | |
176 | return -ENODEV; | |
177 | } | |
178 | ||
179 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
180 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " | |
181 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
182 | dev_cap->uar_size, | |
183 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
184 | return -ENODEV; | |
185 | } | |
186 | ||
187 | dev->caps.num_ports = dev_cap->num_ports; | |
5ae2a7a8 RD |
188 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
189 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
b79acb49 | 190 | dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i]; |
5ae2a7a8 RD |
191 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; |
192 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; | |
193 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; | |
b79acb49 YP |
194 | dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i]; |
195 | dev->caps.def_mac[i] = dev_cap->def_mac[i]; | |
7ff93f8b | 196 | dev->caps.supported_type[i] = dev_cap->supported_port_types[i]; |
7699517d YP |
197 | dev->caps.trans_type[i] = dev_cap->trans_type[i]; |
198 | dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i]; | |
199 | dev->caps.wavelength[i] = dev_cap->wavelength[i]; | |
200 | dev->caps.trans_code[i] = dev_cap->trans_code[i]; | |
5ae2a7a8 RD |
201 | } |
202 | ||
225c7b1f | 203 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
204 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
205 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
206 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
207 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
208 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
209 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
210 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
211 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
212 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
213 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
214 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
215 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
0ec2c0f8 | 216 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
225c7b1f RD |
217 | /* |
218 | * Subtract 1 from the limit because we need to allocate a | |
219 | * spare CQE so the HCA HW can tell the difference between an | |
220 | * empty CQ and a full CQ. | |
221 | */ | |
222 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
223 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
224 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
ab6bf42e | 225 | dev->caps.mtts_per_seg = 1 << log_mtts_per_seg; |
121964ec | 226 | dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts, |
ab6bf42e | 227 | dev->caps.mtts_per_seg); |
225c7b1f RD |
228 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
229 | dev->caps.reserved_uars = dev_cap->reserved_uars; | |
230 | dev->caps.reserved_pds = dev_cap->reserved_pds; | |
012a8ff5 SH |
231 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
232 | dev_cap->reserved_xrcds : 0; | |
233 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
234 | dev_cap->max_xrcds : 0; | |
ab6bf42e | 235 | dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz; |
149983af | 236 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
237 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
238 | dev->caps.flags = dev_cap->flags; | |
95d04f07 RD |
239 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
240 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 241 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 242 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
225c7b1f | 243 | |
93fc9e1b | 244 | dev->caps.log_num_macs = log_num_mac; |
cb29688a | 245 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; |
93fc9e1b YP |
246 | dev->caps.log_num_prios = use_prio ? 3 : 0; |
247 | ||
248 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
7ff93f8b YP |
249 | if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH) |
250 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
251 | else | |
252 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
253 | dev->caps.possible_type[i] = dev->caps.port_type[i]; |
254 | mlx4_priv(dev)->sense.sense_allowed[i] = | |
255 | dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO; | |
7ff93f8b | 256 | |
93fc9e1b YP |
257 | if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) { |
258 | dev->caps.log_num_macs = dev_cap->log_max_macs[i]; | |
259 | mlx4_warn(dev, "Requested number of MACs is too much " | |
260 | "for port %d, reducing to %d.\n", | |
261 | i, 1 << dev->caps.log_num_macs); | |
262 | } | |
263 | if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) { | |
264 | dev->caps.log_num_vlans = dev_cap->log_max_vlans[i]; | |
265 | mlx4_warn(dev, "Requested number of VLANs is too much " | |
266 | "for port %d, reducing to %d.\n", | |
267 | i, 1 << dev->caps.log_num_vlans); | |
268 | } | |
269 | } | |
270 | ||
7ff93f8b YP |
271 | mlx4_set_port_mask(dev); |
272 | ||
f2a3f6a3 OG |
273 | dev->caps.max_counters = 1 << ilog2(dev_cap->max_counters); |
274 | ||
93fc9e1b YP |
275 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
276 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
277 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
278 | (1 << dev->caps.log_num_macs) * | |
279 | (1 << dev->caps.log_num_vlans) * | |
280 | (1 << dev->caps.log_num_prios) * | |
281 | dev->caps.num_ports; | |
282 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
283 | ||
284 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
285 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
286 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
287 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
288 | ||
225c7b1f RD |
289 | return 0; |
290 | } | |
291 | ||
7ff93f8b YP |
292 | /* |
293 | * Change the port configuration of the device. | |
294 | * Every user of this function must hold the port mutex. | |
295 | */ | |
27bf91d6 YP |
296 | int mlx4_change_port_types(struct mlx4_dev *dev, |
297 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
298 | { |
299 | int err = 0; | |
300 | int change = 0; | |
301 | int port; | |
302 | ||
303 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
304 | /* Change the port type only if the new type is different |
305 | * from the current, and not set to Auto */ | |
7ff93f8b YP |
306 | if (port_types[port] != dev->caps.port_type[port + 1]) { |
307 | change = 1; | |
308 | dev->caps.port_type[port + 1] = port_types[port]; | |
309 | } | |
310 | } | |
311 | if (change) { | |
312 | mlx4_unregister_device(dev); | |
313 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
314 | mlx4_CLOSE_PORT(dev, port); | |
315 | err = mlx4_SET_PORT(dev, port); | |
316 | if (err) { | |
317 | mlx4_err(dev, "Failed to set port %d, " | |
318 | "aborting\n", port); | |
319 | goto out; | |
320 | } | |
321 | } | |
322 | mlx4_set_port_mask(dev); | |
323 | err = mlx4_register_device(dev); | |
324 | } | |
325 | ||
326 | out: | |
327 | return err; | |
328 | } | |
329 | ||
330 | static ssize_t show_port_type(struct device *dev, | |
331 | struct device_attribute *attr, | |
332 | char *buf) | |
333 | { | |
334 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
335 | port_attr); | |
336 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
337 | char type[8]; |
338 | ||
339 | sprintf(type, "%s", | |
340 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
341 | "ib" : "eth"); | |
342 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
343 | sprintf(buf, "auto (%s)\n", type); | |
344 | else | |
345 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 346 | |
27bf91d6 | 347 | return strlen(buf); |
7ff93f8b YP |
348 | } |
349 | ||
350 | static ssize_t set_port_type(struct device *dev, | |
351 | struct device_attribute *attr, | |
352 | const char *buf, size_t count) | |
353 | { | |
354 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
355 | port_attr); | |
356 | struct mlx4_dev *mdev = info->dev; | |
357 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
358 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 359 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
360 | int i; |
361 | int err = 0; | |
362 | ||
363 | if (!strcmp(buf, "ib\n")) | |
364 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
365 | else if (!strcmp(buf, "eth\n")) | |
366 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
367 | else if (!strcmp(buf, "auto\n")) |
368 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
369 | else { |
370 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
371 | return -EINVAL; | |
372 | } | |
373 | ||
27bf91d6 | 374 | mlx4_stop_sense(mdev); |
7ff93f8b | 375 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
376 | /* Possible type is always the one that was delivered */ |
377 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
378 | ||
379 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 380 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
381 | mdev->caps.possible_type[i+1]; |
382 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
383 | types[i] = mdev->caps.port_type[i+1]; | |
384 | } | |
7ff93f8b | 385 | |
27bf91d6 YP |
386 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
387 | for (i = 1; i <= mdev->caps.num_ports; i++) { | |
388 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
389 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
390 | err = -EINVAL; | |
391 | } | |
392 | } | |
393 | } | |
394 | if (err) { | |
395 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. " | |
396 | "Set only 'eth' or 'ib' for both ports " | |
397 | "(should be the same)\n"); | |
398 | goto out; | |
399 | } | |
400 | ||
401 | mlx4_do_sense_ports(mdev, new_types, types); | |
402 | ||
403 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
404 | if (err) |
405 | goto out; | |
406 | ||
27bf91d6 YP |
407 | /* We are about to apply the changes after the configuration |
408 | * was verified, no need to remember the temporary types | |
409 | * any more */ | |
410 | for (i = 0; i < mdev->caps.num_ports; i++) | |
411 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 412 | |
27bf91d6 | 413 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
414 | |
415 | out: | |
27bf91d6 | 416 | mlx4_start_sense(mdev); |
7ff93f8b YP |
417 | mutex_unlock(&priv->port_mutex); |
418 | return err ? err : count; | |
419 | } | |
420 | ||
e8f9b2ed | 421 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
422 | { |
423 | struct mlx4_priv *priv = mlx4_priv(dev); | |
424 | int err; | |
425 | ||
426 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 427 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
428 | if (!priv->fw.fw_icm) { |
429 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); | |
430 | return -ENOMEM; | |
431 | } | |
432 | ||
433 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
434 | if (err) { | |
435 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); | |
436 | goto err_free; | |
437 | } | |
438 | ||
439 | err = mlx4_RUN_FW(dev); | |
440 | if (err) { | |
441 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); | |
442 | goto err_unmap_fa; | |
443 | } | |
444 | ||
445 | return 0; | |
446 | ||
447 | err_unmap_fa: | |
448 | mlx4_UNMAP_FA(dev); | |
449 | ||
450 | err_free: | |
5b0bf5e2 | 451 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
452 | return err; |
453 | } | |
454 | ||
e8f9b2ed RD |
455 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
456 | int cmpt_entry_sz) | |
225c7b1f RD |
457 | { |
458 | struct mlx4_priv *priv = mlx4_priv(dev); | |
459 | int err; | |
460 | ||
461 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
462 | cmpt_base + | |
463 | ((u64) (MLX4_CMPT_TYPE_QP * | |
464 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
465 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
466 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
467 | 0, 0); | |
225c7b1f RD |
468 | if (err) |
469 | goto err; | |
470 | ||
471 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
472 | cmpt_base + | |
473 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
474 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
475 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 476 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
477 | if (err) |
478 | goto err_qp; | |
479 | ||
480 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
481 | cmpt_base + | |
482 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
483 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
484 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 485 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
486 | if (err) |
487 | goto err_srq; | |
488 | ||
489 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, | |
490 | cmpt_base + | |
491 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
492 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
493 | cmpt_entry_sz, | |
b8dd786f | 494 | dev->caps.num_eqs, dev->caps.num_eqs, 0, 0); |
225c7b1f RD |
495 | if (err) |
496 | goto err_cq; | |
497 | ||
498 | return 0; | |
499 | ||
500 | err_cq: | |
501 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
502 | ||
503 | err_srq: | |
504 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
505 | ||
506 | err_qp: | |
507 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
508 | ||
509 | err: | |
510 | return err; | |
511 | } | |
512 | ||
3d73c288 RD |
513 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
514 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
515 | { |
516 | struct mlx4_priv *priv = mlx4_priv(dev); | |
517 | u64 aux_pages; | |
518 | int err; | |
519 | ||
520 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
521 | if (err) { | |
522 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); | |
523 | return err; | |
524 | } | |
525 | ||
526 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", | |
527 | (unsigned long long) icm_size >> 10, | |
528 | (unsigned long long) aux_pages << 2); | |
529 | ||
530 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 531 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
532 | if (!priv->fw.aux_icm) { |
533 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); | |
534 | return -ENOMEM; | |
535 | } | |
536 | ||
537 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
538 | if (err) { | |
539 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); | |
540 | goto err_free_aux; | |
541 | } | |
542 | ||
543 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
544 | if (err) { | |
545 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); | |
546 | goto err_unmap_aux; | |
547 | } | |
548 | ||
fa0681d2 RD |
549 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
550 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
551 | dev->caps.num_eqs, dev->caps.num_eqs, | |
552 | 0, 0); | |
225c7b1f RD |
553 | if (err) { |
554 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); | |
555 | goto err_unmap_cmpt; | |
556 | } | |
557 | ||
d7bb58fb JM |
558 | /* |
559 | * Reserved MTT entries must be aligned up to a cacheline | |
560 | * boundary, since the FW will write to them, while the driver | |
561 | * writes to all other MTT entries. (The variable | |
562 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
563 | * size, not the raw entry size) | |
564 | */ | |
565 | dev->caps.reserved_mtts = | |
566 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
567 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
568 | ||
225c7b1f RD |
569 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
570 | init_hca->mtt_base, | |
571 | dev->caps.mtt_entry_sz, | |
572 | dev->caps.num_mtt_segs, | |
5b0bf5e2 | 573 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f RD |
574 | if (err) { |
575 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); | |
576 | goto err_unmap_eq; | |
577 | } | |
578 | ||
579 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
580 | init_hca->dmpt_base, | |
581 | dev_cap->dmpt_entry_sz, | |
582 | dev->caps.num_mpts, | |
5b0bf5e2 | 583 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f RD |
584 | if (err) { |
585 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); | |
586 | goto err_unmap_mtt; | |
587 | } | |
588 | ||
589 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
590 | init_hca->qpc_base, | |
591 | dev_cap->qpc_entry_sz, | |
592 | dev->caps.num_qps, | |
93fc9e1b YP |
593 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
594 | 0, 0); | |
225c7b1f RD |
595 | if (err) { |
596 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); | |
597 | goto err_unmap_dmpt; | |
598 | } | |
599 | ||
600 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
601 | init_hca->auxc_base, | |
602 | dev_cap->aux_entry_sz, | |
603 | dev->caps.num_qps, | |
93fc9e1b YP |
604 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
605 | 0, 0); | |
225c7b1f RD |
606 | if (err) { |
607 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); | |
608 | goto err_unmap_qp; | |
609 | } | |
610 | ||
611 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
612 | init_hca->altc_base, | |
613 | dev_cap->altc_entry_sz, | |
614 | dev->caps.num_qps, | |
93fc9e1b YP |
615 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
616 | 0, 0); | |
225c7b1f RD |
617 | if (err) { |
618 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); | |
619 | goto err_unmap_auxc; | |
620 | } | |
621 | ||
622 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
623 | init_hca->rdmarc_base, | |
624 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
625 | dev->caps.num_qps, | |
93fc9e1b YP |
626 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
627 | 0, 0); | |
225c7b1f RD |
628 | if (err) { |
629 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
630 | goto err_unmap_altc; | |
631 | } | |
632 | ||
633 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
634 | init_hca->cqc_base, | |
635 | dev_cap->cqc_entry_sz, | |
636 | dev->caps.num_cqs, | |
5b0bf5e2 | 637 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
638 | if (err) { |
639 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); | |
640 | goto err_unmap_rdmarc; | |
641 | } | |
642 | ||
643 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
644 | init_hca->srqc_base, | |
645 | dev_cap->srq_entry_sz, | |
646 | dev->caps.num_srqs, | |
5b0bf5e2 | 647 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
648 | if (err) { |
649 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); | |
650 | goto err_unmap_cq; | |
651 | } | |
652 | ||
653 | /* | |
654 | * It's not strictly required, but for simplicity just map the | |
655 | * whole multicast group table now. The table isn't very big | |
656 | * and it's a lot easier than trying to track ref counts. | |
657 | */ | |
658 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
659 | init_hca->mc_base, |
660 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
661 | dev->caps.num_mgms + dev->caps.num_amgms, |
662 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 663 | 0, 0); |
225c7b1f RD |
664 | if (err) { |
665 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); | |
666 | goto err_unmap_srq; | |
667 | } | |
668 | ||
669 | return 0; | |
670 | ||
671 | err_unmap_srq: | |
672 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
673 | ||
674 | err_unmap_cq: | |
675 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
676 | ||
677 | err_unmap_rdmarc: | |
678 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
679 | ||
680 | err_unmap_altc: | |
681 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
682 | ||
683 | err_unmap_auxc: | |
684 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
685 | ||
686 | err_unmap_qp: | |
687 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
688 | ||
689 | err_unmap_dmpt: | |
690 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
691 | ||
692 | err_unmap_mtt: | |
693 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
694 | ||
695 | err_unmap_eq: | |
fa0681d2 | 696 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
697 | |
698 | err_unmap_cmpt: | |
699 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
700 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
701 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
702 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
703 | ||
704 | err_unmap_aux: | |
705 | mlx4_UNMAP_ICM_AUX(dev); | |
706 | ||
707 | err_free_aux: | |
5b0bf5e2 | 708 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
709 | |
710 | return err; | |
711 | } | |
712 | ||
713 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
714 | { | |
715 | struct mlx4_priv *priv = mlx4_priv(dev); | |
716 | ||
717 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
718 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
719 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
720 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
721 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
722 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
723 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
724 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
725 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 726 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
727 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
728 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
729 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
730 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
731 | |
732 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 733 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
734 | } |
735 | ||
c1b43dca EC |
736 | static int map_bf_area(struct mlx4_dev *dev) |
737 | { | |
738 | struct mlx4_priv *priv = mlx4_priv(dev); | |
739 | resource_size_t bf_start; | |
740 | resource_size_t bf_len; | |
741 | int err = 0; | |
742 | ||
743 | bf_start = pci_resource_start(dev->pdev, 2) + (dev->caps.num_uars << PAGE_SHIFT); | |
744 | bf_len = pci_resource_len(dev->pdev, 2) - (dev->caps.num_uars << PAGE_SHIFT); | |
745 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); | |
746 | if (!priv->bf_mapping) | |
747 | err = -ENOMEM; | |
748 | ||
749 | return err; | |
750 | } | |
751 | ||
752 | static void unmap_bf_area(struct mlx4_dev *dev) | |
753 | { | |
754 | if (mlx4_priv(dev)->bf_mapping) | |
755 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
756 | } | |
757 | ||
225c7b1f RD |
758 | static void mlx4_close_hca(struct mlx4_dev *dev) |
759 | { | |
c1b43dca | 760 | unmap_bf_area(dev); |
225c7b1f RD |
761 | mlx4_CLOSE_HCA(dev, 0); |
762 | mlx4_free_icms(dev); | |
763 | mlx4_UNMAP_FA(dev); | |
5b0bf5e2 | 764 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
225c7b1f RD |
765 | } |
766 | ||
3d73c288 | 767 | static int mlx4_init_hca(struct mlx4_dev *dev) |
225c7b1f RD |
768 | { |
769 | struct mlx4_priv *priv = mlx4_priv(dev); | |
770 | struct mlx4_adapter adapter; | |
771 | struct mlx4_dev_cap dev_cap; | |
2d928651 | 772 | struct mlx4_mod_stat_cfg mlx4_cfg; |
225c7b1f RD |
773 | struct mlx4_profile profile; |
774 | struct mlx4_init_hca_param init_hca; | |
775 | u64 icm_size; | |
776 | int err; | |
777 | ||
778 | err = mlx4_QUERY_FW(dev); | |
779 | if (err) { | |
cc4ac2e7 YP |
780 | if (err == -EACCES) |
781 | mlx4_info(dev, "non-primary physical function, skipping.\n"); | |
782 | else | |
783 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); | |
225c7b1f RD |
784 | return err; |
785 | } | |
786 | ||
787 | err = mlx4_load_fw(dev); | |
788 | if (err) { | |
789 | mlx4_err(dev, "Failed to start FW, aborting.\n"); | |
790 | return err; | |
791 | } | |
792 | ||
2d928651 VS |
793 | mlx4_cfg.log_pg_sz_m = 1; |
794 | mlx4_cfg.log_pg_sz = 0; | |
795 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
796 | if (err) | |
797 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
798 | ||
225c7b1f RD |
799 | err = mlx4_dev_cap(dev, &dev_cap); |
800 | if (err) { | |
801 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
802 | goto err_stop_fw; | |
803 | } | |
804 | ||
805 | profile = default_profile; | |
806 | ||
807 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca); | |
808 | if ((long long) icm_size < 0) { | |
809 | err = icm_size; | |
810 | goto err_stop_fw; | |
811 | } | |
812 | ||
c1b43dca EC |
813 | if (map_bf_area(dev)) |
814 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
815 | ||
225c7b1f RD |
816 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
817 | ||
818 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); | |
819 | if (err) | |
820 | goto err_stop_fw; | |
821 | ||
822 | err = mlx4_INIT_HCA(dev, &init_hca); | |
823 | if (err) { | |
824 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); | |
825 | goto err_free_icm; | |
826 | } | |
827 | ||
828 | err = mlx4_QUERY_ADAPTER(dev, &adapter); | |
829 | if (err) { | |
830 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); | |
831 | goto err_close; | |
832 | } | |
833 | ||
834 | priv->eq_table.inta_pin = adapter.inta_pin; | |
cd9281d8 | 835 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
836 | |
837 | return 0; | |
838 | ||
839 | err_close: | |
1af92e2a | 840 | mlx4_CLOSE_HCA(dev, 0); |
225c7b1f RD |
841 | |
842 | err_free_icm: | |
843 | mlx4_free_icms(dev); | |
844 | ||
845 | err_stop_fw: | |
c1b43dca | 846 | unmap_bf_area(dev); |
225c7b1f | 847 | mlx4_UNMAP_FA(dev); |
5b0bf5e2 | 848 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
849 | |
850 | return err; | |
851 | } | |
852 | ||
f2a3f6a3 OG |
853 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
854 | { | |
855 | struct mlx4_priv *priv = mlx4_priv(dev); | |
856 | int nent; | |
857 | ||
858 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
859 | return -ENOENT; | |
860 | ||
861 | nent = dev->caps.max_counters; | |
862 | return mlx4_bitmap_init(&priv->counters_bitmap, nent, nent - 1, 0, 0); | |
863 | } | |
864 | ||
865 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
866 | { | |
867 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); | |
868 | } | |
869 | ||
870 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
871 | { | |
872 | struct mlx4_priv *priv = mlx4_priv(dev); | |
873 | ||
874 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
875 | return -ENOENT; | |
876 | ||
877 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
878 | if (*idx == -1) | |
879 | return -ENOMEM; | |
880 | ||
881 | return 0; | |
882 | } | |
883 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); | |
884 | ||
885 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
886 | { | |
887 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx); | |
888 | return; | |
889 | } | |
890 | EXPORT_SYMBOL_GPL(mlx4_counter_free); | |
891 | ||
3d73c288 | 892 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
893 | { |
894 | struct mlx4_priv *priv = mlx4_priv(dev); | |
895 | int err; | |
7ff93f8b | 896 | int port; |
9a5aa622 | 897 | __be32 ib_port_default_caps; |
225c7b1f | 898 | |
225c7b1f RD |
899 | err = mlx4_init_uar_table(dev); |
900 | if (err) { | |
901 | mlx4_err(dev, "Failed to initialize " | |
902 | "user access region table, aborting.\n"); | |
903 | return err; | |
904 | } | |
905 | ||
906 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
907 | if (err) { | |
908 | mlx4_err(dev, "Failed to allocate driver access region, " | |
909 | "aborting.\n"); | |
910 | goto err_uar_table_free; | |
911 | } | |
912 | ||
4979d18f | 913 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f RD |
914 | if (!priv->kar) { |
915 | mlx4_err(dev, "Couldn't map kernel access region, " | |
916 | "aborting.\n"); | |
917 | err = -ENOMEM; | |
918 | goto err_uar_free; | |
919 | } | |
920 | ||
921 | err = mlx4_init_pd_table(dev); | |
922 | if (err) { | |
923 | mlx4_err(dev, "Failed to initialize " | |
924 | "protection domain table, aborting.\n"); | |
925 | goto err_kar_unmap; | |
926 | } | |
927 | ||
012a8ff5 SH |
928 | err = mlx4_init_xrcd_table(dev); |
929 | if (err) { | |
930 | mlx4_err(dev, "Failed to initialize " | |
931 | "reliable connection domain table, aborting.\n"); | |
932 | goto err_pd_table_free; | |
933 | } | |
934 | ||
225c7b1f RD |
935 | err = mlx4_init_mr_table(dev); |
936 | if (err) { | |
937 | mlx4_err(dev, "Failed to initialize " | |
938 | "memory region table, aborting.\n"); | |
012a8ff5 | 939 | goto err_xrcd_table_free; |
225c7b1f RD |
940 | } |
941 | ||
225c7b1f RD |
942 | err = mlx4_init_eq_table(dev); |
943 | if (err) { | |
944 | mlx4_err(dev, "Failed to initialize " | |
945 | "event queue table, aborting.\n"); | |
ee49bd93 | 946 | goto err_mr_table_free; |
225c7b1f RD |
947 | } |
948 | ||
949 | err = mlx4_cmd_use_events(dev); | |
950 | if (err) { | |
951 | mlx4_err(dev, "Failed to switch to event-driven " | |
952 | "firmware commands, aborting.\n"); | |
953 | goto err_eq_table_free; | |
954 | } | |
955 | ||
956 | err = mlx4_NOP(dev); | |
957 | if (err) { | |
08fb1055 MT |
958 | if (dev->flags & MLX4_FLAG_MSI_X) { |
959 | mlx4_warn(dev, "NOP command failed to generate MSI-X " | |
960 | "interrupt IRQ %d).\n", | |
b8dd786f | 961 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
08fb1055 MT |
962 | mlx4_warn(dev, "Trying again without MSI-X.\n"); |
963 | } else { | |
964 | mlx4_err(dev, "NOP command failed to generate interrupt " | |
965 | "(IRQ %d), aborting.\n", | |
b8dd786f | 966 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
225c7b1f | 967 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 968 | } |
225c7b1f RD |
969 | |
970 | goto err_cmd_poll; | |
971 | } | |
972 | ||
973 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
974 | ||
975 | err = mlx4_init_cq_table(dev); | |
976 | if (err) { | |
977 | mlx4_err(dev, "Failed to initialize " | |
978 | "completion queue table, aborting.\n"); | |
979 | goto err_cmd_poll; | |
980 | } | |
981 | ||
982 | err = mlx4_init_srq_table(dev); | |
983 | if (err) { | |
984 | mlx4_err(dev, "Failed to initialize " | |
985 | "shared receive queue table, aborting.\n"); | |
986 | goto err_cq_table_free; | |
987 | } | |
988 | ||
989 | err = mlx4_init_qp_table(dev); | |
990 | if (err) { | |
991 | mlx4_err(dev, "Failed to initialize " | |
992 | "queue pair table, aborting.\n"); | |
993 | goto err_srq_table_free; | |
994 | } | |
995 | ||
996 | err = mlx4_init_mcg_table(dev); | |
997 | if (err) { | |
998 | mlx4_err(dev, "Failed to initialize " | |
999 | "multicast group table, aborting.\n"); | |
1000 | goto err_qp_table_free; | |
1001 | } | |
1002 | ||
f2a3f6a3 OG |
1003 | err = mlx4_init_counters_table(dev); |
1004 | if (err && err != -ENOENT) { | |
1005 | mlx4_err(dev, "Failed to initialize counters table, aborting.\n"); | |
1006 | goto err_counters_table_free; | |
1007 | } | |
1008 | ||
7ff93f8b | 1009 | for (port = 1; port <= dev->caps.num_ports; port++) { |
ab6dc30d YP |
1010 | enum mlx4_port_type port_type = 0; |
1011 | mlx4_SENSE_PORT(dev, port, &port_type); | |
1012 | if (port_type) | |
1013 | dev->caps.port_type[port] = port_type; | |
9a5aa622 JM |
1014 | ib_port_default_caps = 0; |
1015 | err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps); | |
1016 | if (err) | |
1017 | mlx4_warn(dev, "failed to get port %d default " | |
1018 | "ib capabilities (%d). Continuing with " | |
1019 | "caps = 0\n", port, err); | |
1020 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; | |
97285b78 MA |
1021 | |
1022 | err = mlx4_check_ext_port_caps(dev, port); | |
1023 | if (err) | |
1024 | mlx4_warn(dev, "failed to get port %d extended " | |
1025 | "port capabilities support info (%d)." | |
1026 | " Assuming not supported\n", port, err); | |
1027 | ||
7ff93f8b YP |
1028 | err = mlx4_SET_PORT(dev, port); |
1029 | if (err) { | |
1030 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1031 | port); | |
1032 | goto err_mcg_table_free; | |
1033 | } | |
1034 | } | |
ab6dc30d | 1035 | mlx4_set_port_mask(dev); |
7ff93f8b | 1036 | |
225c7b1f RD |
1037 | return 0; |
1038 | ||
7ff93f8b YP |
1039 | err_mcg_table_free: |
1040 | mlx4_cleanup_mcg_table(dev); | |
1041 | ||
f2a3f6a3 OG |
1042 | err_counters_table_free: |
1043 | mlx4_cleanup_counters_table(dev); | |
1044 | ||
225c7b1f RD |
1045 | err_qp_table_free: |
1046 | mlx4_cleanup_qp_table(dev); | |
1047 | ||
1048 | err_srq_table_free: | |
1049 | mlx4_cleanup_srq_table(dev); | |
1050 | ||
1051 | err_cq_table_free: | |
1052 | mlx4_cleanup_cq_table(dev); | |
1053 | ||
1054 | err_cmd_poll: | |
1055 | mlx4_cmd_use_polling(dev); | |
1056 | ||
1057 | err_eq_table_free: | |
1058 | mlx4_cleanup_eq_table(dev); | |
1059 | ||
ee49bd93 | 1060 | err_mr_table_free: |
225c7b1f RD |
1061 | mlx4_cleanup_mr_table(dev); |
1062 | ||
012a8ff5 SH |
1063 | err_xrcd_table_free: |
1064 | mlx4_cleanup_xrcd_table(dev); | |
1065 | ||
225c7b1f RD |
1066 | err_pd_table_free: |
1067 | mlx4_cleanup_pd_table(dev); | |
1068 | ||
1069 | err_kar_unmap: | |
1070 | iounmap(priv->kar); | |
1071 | ||
1072 | err_uar_free: | |
1073 | mlx4_uar_free(dev, &priv->driver_uar); | |
1074 | ||
1075 | err_uar_table_free: | |
1076 | mlx4_cleanup_uar_table(dev); | |
1077 | return err; | |
1078 | } | |
1079 | ||
e8f9b2ed | 1080 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
1081 | { |
1082 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 1083 | struct msix_entry *entries; |
0b7ca5a9 YP |
1084 | int nreq = min_t(int, dev->caps.num_ports * |
1085 | min_t(int, num_online_cpus() + 1, MAX_MSIX_P_PORT) | |
1086 | + MSIX_LEGACY_SZ, MAX_MSIX); | |
225c7b1f RD |
1087 | int err; |
1088 | int i; | |
1089 | ||
1090 | if (msi_x) { | |
70cb9253 | 1091 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
0b7ca5a9 | 1092 | nreq); |
b8dd786f YP |
1093 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
1094 | if (!entries) | |
1095 | goto no_msi; | |
1096 | ||
1097 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
1098 | entries[i].entry = i; |
1099 | ||
b8dd786f YP |
1100 | retry: |
1101 | err = pci_enable_msix(dev->pdev, entries, nreq); | |
225c7b1f | 1102 | if (err) { |
b8dd786f YP |
1103 | /* Try again if at least 2 vectors are available */ |
1104 | if (err > 1) { | |
1105 | mlx4_info(dev, "Requested %d vectors, " | |
1106 | "but only %d MSI-X vectors available, " | |
1107 | "trying again\n", nreq, err); | |
1108 | nreq = err; | |
1109 | goto retry; | |
1110 | } | |
5bf0da7d | 1111 | kfree(entries); |
225c7b1f RD |
1112 | goto no_msi; |
1113 | } | |
1114 | ||
0b7ca5a9 YP |
1115 | if (nreq < |
1116 | MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) { | |
1117 | /*Working in legacy mode , all EQ's shared*/ | |
1118 | dev->caps.comp_pool = 0; | |
1119 | dev->caps.num_comp_vectors = nreq - 1; | |
1120 | } else { | |
1121 | dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ; | |
1122 | dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1; | |
1123 | } | |
b8dd786f | 1124 | for (i = 0; i < nreq; ++i) |
225c7b1f RD |
1125 | priv->eq_table.eq[i].irq = entries[i].vector; |
1126 | ||
1127 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
1128 | |
1129 | kfree(entries); | |
225c7b1f RD |
1130 | return; |
1131 | } | |
1132 | ||
1133 | no_msi: | |
b8dd786f | 1134 | dev->caps.num_comp_vectors = 1; |
0b7ca5a9 | 1135 | dev->caps.comp_pool = 0; |
b8dd786f YP |
1136 | |
1137 | for (i = 0; i < 2; ++i) | |
225c7b1f RD |
1138 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
1139 | } | |
1140 | ||
7ff93f8b | 1141 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
1142 | { |
1143 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 1144 | int err = 0; |
2a2336f8 YP |
1145 | |
1146 | info->dev = dev; | |
1147 | info->port = port; | |
1148 | mlx4_init_mac_table(dev, &info->mac_table); | |
1149 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
06fa0a88 YP |
1150 | info->base_qpn = dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + |
1151 | (port - 1) * (1 << log_num_mac); | |
7ff93f8b YP |
1152 | |
1153 | sprintf(info->dev_name, "mlx4_port%d", port); | |
1154 | info->port_attr.attr.name = info->dev_name; | |
1155 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
1156 | info->port_attr.show = show_port_type; | |
1157 | info->port_attr.store = set_port_type; | |
3691c964 | 1158 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b YP |
1159 | |
1160 | err = device_create_file(&dev->pdev->dev, &info->port_attr); | |
1161 | if (err) { | |
1162 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
1163 | info->port = -1; | |
1164 | } | |
1165 | ||
1166 | return err; | |
1167 | } | |
1168 | ||
1169 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
1170 | { | |
1171 | if (info->port < 0) | |
1172 | return; | |
1173 | ||
1174 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
2a2336f8 YP |
1175 | } |
1176 | ||
b12d93d6 YP |
1177 | static int mlx4_init_steering(struct mlx4_dev *dev) |
1178 | { | |
1179 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1180 | int num_entries = dev->caps.num_ports; | |
1181 | int i, j; | |
1182 | ||
1183 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
1184 | if (!priv->steer) | |
1185 | return -ENOMEM; | |
1186 | ||
1187 | for (i = 0; i < num_entries; i++) { | |
1188 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
1189 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
1190 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
1191 | } | |
1192 | INIT_LIST_HEAD(&priv->steer[i].high_prios); | |
1193 | } | |
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
1198 | { | |
1199 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1200 | struct mlx4_steer_index *entry, *tmp_entry; | |
1201 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
1202 | int num_entries = dev->caps.num_ports; | |
1203 | int i, j; | |
1204 | ||
1205 | for (i = 0; i < num_entries; i++) { | |
1206 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
1207 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1208 | &priv->steer[i].promisc_qps[j], | |
1209 | list) { | |
1210 | list_del(&pqp->list); | |
1211 | kfree(pqp); | |
1212 | } | |
1213 | list_for_each_entry_safe(entry, tmp_entry, | |
1214 | &priv->steer[i].steer_entries[j], | |
1215 | list) { | |
1216 | list_del(&entry->list); | |
1217 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1218 | &entry->duplicates, | |
1219 | list) { | |
1220 | list_del(&pqp->list); | |
1221 | kfree(pqp); | |
1222 | } | |
1223 | kfree(entry); | |
1224 | } | |
1225 | } | |
1226 | } | |
1227 | kfree(priv->steer); | |
1228 | } | |
1229 | ||
3d73c288 | 1230 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
225c7b1f | 1231 | { |
225c7b1f RD |
1232 | struct mlx4_priv *priv; |
1233 | struct mlx4_dev *dev; | |
1234 | int err; | |
2a2336f8 | 1235 | int port; |
225c7b1f | 1236 | |
0a645e80 | 1237 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
225c7b1f RD |
1238 | |
1239 | err = pci_enable_device(pdev); | |
1240 | if (err) { | |
1241 | dev_err(&pdev->dev, "Cannot enable PCI device, " | |
1242 | "aborting.\n"); | |
1243 | return err; | |
1244 | } | |
1245 | ||
1246 | /* | |
4ff08a76 | 1247 | * Check for BARs. We expect 0: 1MB |
225c7b1f RD |
1248 | */ |
1249 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || | |
1250 | pci_resource_len(pdev, 0) != 1 << 20) { | |
1251 | dev_err(&pdev->dev, "Missing DCS, aborting.\n"); | |
1252 | err = -ENODEV; | |
1253 | goto err_disable_pdev; | |
1254 | } | |
1255 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
1256 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); | |
1257 | err = -ENODEV; | |
1258 | goto err_disable_pdev; | |
1259 | } | |
1260 | ||
a01df0fe | 1261 | err = pci_request_regions(pdev, DRV_NAME); |
225c7b1f | 1262 | if (err) { |
a01df0fe | 1263 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
225c7b1f RD |
1264 | goto err_disable_pdev; |
1265 | } | |
1266 | ||
225c7b1f RD |
1267 | pci_set_master(pdev); |
1268 | ||
6a35528a | 1269 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1270 | if (err) { |
1271 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); | |
284901a9 | 1272 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1273 | if (err) { |
1274 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); | |
a01df0fe | 1275 | goto err_release_regions; |
225c7b1f RD |
1276 | } |
1277 | } | |
6a35528a | 1278 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1279 | if (err) { |
1280 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " | |
1281 | "consistent PCI DMA mask.\n"); | |
284901a9 | 1282 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1283 | if (err) { |
1284 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " | |
1285 | "aborting.\n"); | |
a01df0fe | 1286 | goto err_release_regions; |
225c7b1f RD |
1287 | } |
1288 | } | |
1289 | ||
7f9e5c48 DD |
1290 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ |
1291 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
1292 | ||
225c7b1f RD |
1293 | priv = kzalloc(sizeof *priv, GFP_KERNEL); |
1294 | if (!priv) { | |
1295 | dev_err(&pdev->dev, "Device struct alloc failed, " | |
1296 | "aborting.\n"); | |
1297 | err = -ENOMEM; | |
a01df0fe | 1298 | goto err_release_regions; |
225c7b1f RD |
1299 | } |
1300 | ||
1301 | dev = &priv->dev; | |
1302 | dev->pdev = pdev; | |
b581401e RD |
1303 | INIT_LIST_HEAD(&priv->ctx_list); |
1304 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 1305 | |
7ff93f8b YP |
1306 | mutex_init(&priv->port_mutex); |
1307 | ||
6296883c YP |
1308 | INIT_LIST_HEAD(&priv->pgdir_list); |
1309 | mutex_init(&priv->pgdir_mutex); | |
1310 | ||
c1b43dca EC |
1311 | INIT_LIST_HEAD(&priv->bf_list); |
1312 | mutex_init(&priv->bf_mutex); | |
1313 | ||
aca7a3ac SS |
1314 | dev->rev_id = pdev->revision; |
1315 | ||
225c7b1f RD |
1316 | /* |
1317 | * Now reset the HCA before we touch the PCI capabilities or | |
1318 | * attempt a firmware command, since a boot ROM may have left | |
1319 | * the HCA in an undefined state. | |
1320 | */ | |
1321 | err = mlx4_reset(dev); | |
1322 | if (err) { | |
1323 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
1324 | goto err_free_dev; | |
1325 | } | |
1326 | ||
225c7b1f RD |
1327 | if (mlx4_cmd_init(dev)) { |
1328 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); | |
1329 | goto err_free_dev; | |
1330 | } | |
1331 | ||
1332 | err = mlx4_init_hca(dev); | |
1333 | if (err) | |
1334 | goto err_cmd; | |
1335 | ||
b8dd786f YP |
1336 | err = mlx4_alloc_eq_table(dev); |
1337 | if (err) | |
1338 | goto err_close; | |
1339 | ||
0b7ca5a9 YP |
1340 | priv->msix_ctl.pool_bm = 0; |
1341 | spin_lock_init(&priv->msix_ctl.pool_lock); | |
1342 | ||
08fb1055 MT |
1343 | mlx4_enable_msi_x(dev); |
1344 | ||
b12d93d6 YP |
1345 | err = mlx4_init_steering(dev); |
1346 | if (err) | |
1347 | goto err_free_eq; | |
1348 | ||
225c7b1f | 1349 | err = mlx4_setup_hca(dev); |
08fb1055 MT |
1350 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) { |
1351 | dev->flags &= ~MLX4_FLAG_MSI_X; | |
1352 | pci_disable_msix(pdev); | |
1353 | err = mlx4_setup_hca(dev); | |
1354 | } | |
1355 | ||
225c7b1f | 1356 | if (err) |
b12d93d6 | 1357 | goto err_steer; |
225c7b1f | 1358 | |
7ff93f8b YP |
1359 | for (port = 1; port <= dev->caps.num_ports; port++) { |
1360 | err = mlx4_init_port_info(dev, port); | |
1361 | if (err) | |
1362 | goto err_port; | |
1363 | } | |
2a2336f8 | 1364 | |
225c7b1f RD |
1365 | err = mlx4_register_device(dev); |
1366 | if (err) | |
7ff93f8b | 1367 | goto err_port; |
225c7b1f | 1368 | |
27bf91d6 YP |
1369 | mlx4_sense_init(dev); |
1370 | mlx4_start_sense(dev); | |
1371 | ||
225c7b1f RD |
1372 | pci_set_drvdata(pdev, dev); |
1373 | ||
1374 | return 0; | |
1375 | ||
7ff93f8b | 1376 | err_port: |
b4f77264 | 1377 | for (--port; port >= 1; --port) |
7ff93f8b YP |
1378 | mlx4_cleanup_port_info(&priv->port[port]); |
1379 | ||
f2a3f6a3 | 1380 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
1381 | mlx4_cleanup_mcg_table(dev); |
1382 | mlx4_cleanup_qp_table(dev); | |
1383 | mlx4_cleanup_srq_table(dev); | |
1384 | mlx4_cleanup_cq_table(dev); | |
1385 | mlx4_cmd_use_polling(dev); | |
1386 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 1387 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 1388 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
1389 | mlx4_cleanup_pd_table(dev); |
1390 | mlx4_cleanup_uar_table(dev); | |
1391 | ||
b12d93d6 YP |
1392 | err_steer: |
1393 | mlx4_clear_steering(dev); | |
1394 | ||
b8dd786f YP |
1395 | err_free_eq: |
1396 | mlx4_free_eq_table(dev); | |
1397 | ||
225c7b1f | 1398 | err_close: |
08fb1055 MT |
1399 | if (dev->flags & MLX4_FLAG_MSI_X) |
1400 | pci_disable_msix(pdev); | |
1401 | ||
225c7b1f RD |
1402 | mlx4_close_hca(dev); |
1403 | ||
1404 | err_cmd: | |
1405 | mlx4_cmd_cleanup(dev); | |
1406 | ||
1407 | err_free_dev: | |
225c7b1f RD |
1408 | kfree(priv); |
1409 | ||
a01df0fe RD |
1410 | err_release_regions: |
1411 | pci_release_regions(pdev); | |
225c7b1f RD |
1412 | |
1413 | err_disable_pdev: | |
1414 | pci_disable_device(pdev); | |
1415 | pci_set_drvdata(pdev, NULL); | |
1416 | return err; | |
1417 | } | |
1418 | ||
3d73c288 RD |
1419 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
1420 | const struct pci_device_id *id) | |
1421 | { | |
0a645e80 | 1422 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 1423 | |
b027cacd | 1424 | return __mlx4_init_one(pdev, id); |
3d73c288 RD |
1425 | } |
1426 | ||
1427 | static void mlx4_remove_one(struct pci_dev *pdev) | |
225c7b1f RD |
1428 | { |
1429 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
1430 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1431 | int p; | |
1432 | ||
1433 | if (dev) { | |
27bf91d6 | 1434 | mlx4_stop_sense(dev); |
225c7b1f RD |
1435 | mlx4_unregister_device(dev); |
1436 | ||
7ff93f8b YP |
1437 | for (p = 1; p <= dev->caps.num_ports; p++) { |
1438 | mlx4_cleanup_port_info(&priv->port[p]); | |
225c7b1f | 1439 | mlx4_CLOSE_PORT(dev, p); |
7ff93f8b | 1440 | } |
225c7b1f | 1441 | |
f2a3f6a3 | 1442 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
1443 | mlx4_cleanup_mcg_table(dev); |
1444 | mlx4_cleanup_qp_table(dev); | |
1445 | mlx4_cleanup_srq_table(dev); | |
1446 | mlx4_cleanup_cq_table(dev); | |
1447 | mlx4_cmd_use_polling(dev); | |
1448 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 1449 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 1450 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
1451 | mlx4_cleanup_pd_table(dev); |
1452 | ||
1453 | iounmap(priv->kar); | |
1454 | mlx4_uar_free(dev, &priv->driver_uar); | |
1455 | mlx4_cleanup_uar_table(dev); | |
b12d93d6 | 1456 | mlx4_clear_steering(dev); |
b8dd786f | 1457 | mlx4_free_eq_table(dev); |
225c7b1f RD |
1458 | mlx4_close_hca(dev); |
1459 | mlx4_cmd_cleanup(dev); | |
1460 | ||
1461 | if (dev->flags & MLX4_FLAG_MSI_X) | |
1462 | pci_disable_msix(pdev); | |
1463 | ||
1464 | kfree(priv); | |
a01df0fe | 1465 | pci_release_regions(pdev); |
225c7b1f RD |
1466 | pci_disable_device(pdev); |
1467 | pci_set_drvdata(pdev, NULL); | |
1468 | } | |
1469 | } | |
1470 | ||
ee49bd93 JM |
1471 | int mlx4_restart_one(struct pci_dev *pdev) |
1472 | { | |
1473 | mlx4_remove_one(pdev); | |
3d73c288 | 1474 | return __mlx4_init_one(pdev, NULL); |
ee49bd93 JM |
1475 | } |
1476 | ||
a3aa1884 | 1477 | static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { |
225c7b1f RD |
1478 | { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */ |
1479 | { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */ | |
1480 | { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */ | |
786f238e JM |
1481 | { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */ |
1482 | { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */ | |
57893d1c YP |
1483 | { PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */ |
1484 | { PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ | |
085343b4 JM |
1485 | { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */ |
1486 | { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ | |
92bd3bbf | 1487 | { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/ |
06c3aa5e | 1488 | { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ |
e76d0b67 | 1489 | { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */ |
31dd272e YP |
1490 | { PCI_VDEVICE(MELLANOX, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */ |
1491 | { PCI_VDEVICE(MELLANOX, 0x1003) }, /* MT27500 Family [ConnectX-3] */ | |
1492 | { PCI_VDEVICE(MELLANOX, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
1493 | { PCI_VDEVICE(MELLANOX, 0x1005) }, /* MT27510 Family */ | |
1494 | { PCI_VDEVICE(MELLANOX, 0x1006) }, /* MT27511 Family */ | |
1495 | { PCI_VDEVICE(MELLANOX, 0x1007) }, /* MT27520 Family */ | |
1496 | { PCI_VDEVICE(MELLANOX, 0x1008) }, /* MT27521 Family */ | |
1497 | { PCI_VDEVICE(MELLANOX, 0x1009) }, /* MT27530 Family */ | |
1498 | { PCI_VDEVICE(MELLANOX, 0x100a) }, /* MT27531 Family */ | |
1499 | { PCI_VDEVICE(MELLANOX, 0x100b) }, /* MT27540 Family */ | |
1500 | { PCI_VDEVICE(MELLANOX, 0x100c) }, /* MT27541 Family */ | |
1501 | { PCI_VDEVICE(MELLANOX, 0x100d) }, /* MT27550 Family */ | |
1502 | { PCI_VDEVICE(MELLANOX, 0x100e) }, /* MT27551 Family */ | |
1503 | { PCI_VDEVICE(MELLANOX, 0x100f) }, /* MT27560 Family */ | |
1504 | { PCI_VDEVICE(MELLANOX, 0x1010) }, /* MT27561 Family */ | |
225c7b1f RD |
1505 | { 0, } |
1506 | }; | |
1507 | ||
1508 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
1509 | ||
1510 | static struct pci_driver mlx4_driver = { | |
1511 | .name = DRV_NAME, | |
1512 | .id_table = mlx4_pci_table, | |
1513 | .probe = mlx4_init_one, | |
1514 | .remove = __devexit_p(mlx4_remove_one) | |
1515 | }; | |
1516 | ||
7ff93f8b YP |
1517 | static int __init mlx4_verify_params(void) |
1518 | { | |
1519 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
0a645e80 | 1520 | pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
1521 | return -1; |
1522 | } | |
1523 | ||
cb29688a OG |
1524 | if (log_num_vlan != 0) |
1525 | pr_warning("mlx4_core: log_num_vlan - obsolete module param, using %d\n", | |
1526 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 1527 | |
0498628f | 1528 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
0a645e80 | 1529 | pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); |
ab6bf42e EC |
1530 | return -1; |
1531 | } | |
1532 | ||
7ff93f8b YP |
1533 | return 0; |
1534 | } | |
1535 | ||
225c7b1f RD |
1536 | static int __init mlx4_init(void) |
1537 | { | |
1538 | int ret; | |
1539 | ||
7ff93f8b YP |
1540 | if (mlx4_verify_params()) |
1541 | return -EINVAL; | |
1542 | ||
27bf91d6 YP |
1543 | mlx4_catas_init(); |
1544 | ||
1545 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
1546 | if (!mlx4_wq) | |
1547 | return -ENOMEM; | |
ee49bd93 | 1548 | |
225c7b1f RD |
1549 | ret = pci_register_driver(&mlx4_driver); |
1550 | return ret < 0 ? ret : 0; | |
1551 | } | |
1552 | ||
1553 | static void __exit mlx4_cleanup(void) | |
1554 | { | |
1555 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 1556 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
1557 | } |
1558 | ||
1559 | module_init(mlx4_init); | |
1560 | module_exit(mlx4_cleanup); |