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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> |
ab9c17a0 | 43 | #include <linux/delay.h> |
225c7b1f RD |
44 | |
45 | #include <linux/mlx4/device.h> | |
46 | #include <linux/mlx4/doorbell.h> | |
47 | ||
48 | #include "mlx4.h" | |
49 | #include "fw.h" | |
50 | #include "icm.h" | |
51 | ||
52 | MODULE_AUTHOR("Roland Dreier"); | |
53 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
54 | MODULE_LICENSE("Dual BSD/GPL"); | |
55 | MODULE_VERSION(DRV_VERSION); | |
56 | ||
27bf91d6 YP |
57 | struct workqueue_struct *mlx4_wq; |
58 | ||
225c7b1f RD |
59 | #ifdef CONFIG_MLX4_DEBUG |
60 | ||
61 | int mlx4_debug_level = 0; | |
62 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
63 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
64 | ||
65 | #endif /* CONFIG_MLX4_DEBUG */ | |
66 | ||
67 | #ifdef CONFIG_PCI_MSI | |
68 | ||
08fb1055 | 69 | static int msi_x = 1; |
225c7b1f RD |
70 | module_param(msi_x, int, 0444); |
71 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
72 | ||
73 | #else /* CONFIG_PCI_MSI */ | |
74 | ||
75 | #define msi_x (0) | |
76 | ||
77 | #endif /* CONFIG_PCI_MSI */ | |
78 | ||
ab9c17a0 JM |
79 | static int num_vfs; |
80 | module_param(num_vfs, int, 0444); | |
81 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0"); | |
82 | ||
83 | static int probe_vf; | |
84 | module_param(probe_vf, int, 0644); | |
85 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)"); | |
86 | ||
0ec2c0f8 EE |
87 | int mlx4_log_num_mgm_entry_size = 10; |
88 | module_param_named(log_num_mgm_entry_size, | |
89 | mlx4_log_num_mgm_entry_size, int, 0444); | |
90 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
91 | " of qp per mcg, for example:" | |
92 | " 10 gives 248.range: 9<=" | |
93 | " log_num_mgm_entry_size <= 12"); | |
94 | ||
ab9c17a0 JM |
95 | #define MLX4_VF (1 << 0) |
96 | ||
97 | #define HCA_GLOBAL_CAP_MASK 0 | |
98 | #define PF_CONTEXT_BEHAVIOUR_MASK 0 | |
99 | ||
f33afc26 | 100 | static char mlx4_version[] __devinitdata = |
225c7b1f RD |
101 | DRV_NAME ": Mellanox ConnectX core driver v" |
102 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
103 | ||
104 | static struct mlx4_profile default_profile = { | |
ab9c17a0 | 105 | .num_qp = 1 << 18, |
225c7b1f | 106 | .num_srq = 1 << 16, |
c9f2ba5e | 107 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
108 | .num_cq = 1 << 16, |
109 | .num_mcg = 1 << 13, | |
ab9c17a0 | 110 | .num_mpt = 1 << 19, |
225c7b1f RD |
111 | .num_mtt = 1 << 20, |
112 | }; | |
113 | ||
ab9c17a0 | 114 | static int log_num_mac = 7; |
93fc9e1b YP |
115 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
116 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
117 | ||
118 | static int log_num_vlan; | |
119 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
120 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
121 | /* Log2 max number of VLANs per ETH port (0-7) */ |
122 | #define MLX4_LOG_NUM_VLANS 7 | |
93fc9e1b YP |
123 | |
124 | static int use_prio; | |
125 | module_param_named(use_prio, use_prio, bool, 0444); | |
126 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " | |
127 | "(0/1, default 0)"); | |
128 | ||
2b8fb286 | 129 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
ab6bf42e | 130 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
0498628f | 131 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 132 | |
ab9c17a0 JM |
133 | static int port_type_array[2] = {1, 1}; |
134 | static int arr_argc = 2; | |
135 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
136 | MODULE_PARM_DESC(port_type_array, "Array of port types: IB by default"); | |
137 | ||
138 | struct mlx4_port_config { | |
139 | struct list_head list; | |
140 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
141 | struct pci_dev *pdev; | |
142 | }; | |
143 | ||
144 | static inline int mlx4_master_get_num_eqs(struct mlx4_dev *dev) | |
145 | { | |
146 | return dev->caps.reserved_eqs + | |
147 | MLX4_MFUNC_EQ_NUM * (dev->num_slaves + 1); | |
148 | } | |
149 | ||
27bf91d6 YP |
150 | int mlx4_check_port_params(struct mlx4_dev *dev, |
151 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
152 | { |
153 | int i; | |
154 | ||
155 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
27bf91d6 YP |
156 | if (port_type[i] != port_type[i + 1]) { |
157 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { | |
158 | mlx4_err(dev, "Only same port types supported " | |
159 | "on this HCA, aborting.\n"); | |
160 | return -EINVAL; | |
161 | } | |
162 | if (port_type[i] == MLX4_PORT_TYPE_ETH && | |
163 | port_type[i + 1] == MLX4_PORT_TYPE_IB) | |
164 | return -EINVAL; | |
7ff93f8b YP |
165 | } |
166 | } | |
7ff93f8b YP |
167 | |
168 | for (i = 0; i < dev->caps.num_ports; i++) { | |
169 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
170 | mlx4_err(dev, "Requested port type for port %d is not " | |
171 | "supported on this HCA\n", i + 1); | |
172 | return -EINVAL; | |
173 | } | |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
179 | { | |
180 | int i; | |
181 | ||
7ff93f8b | 182 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 183 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 184 | } |
f2a3f6a3 | 185 | |
3d73c288 | 186 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
187 | { |
188 | int err; | |
5ae2a7a8 | 189 | int i; |
225c7b1f RD |
190 | |
191 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
192 | if (err) { | |
193 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
194 | return err; | |
195 | } | |
196 | ||
197 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
198 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
199 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
200 | dev_cap->min_page_sz, PAGE_SIZE); | |
201 | return -ENODEV; | |
202 | } | |
203 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
204 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
205 | "aborting.\n", | |
206 | dev_cap->num_ports, MLX4_MAX_PORTS); | |
207 | return -ENODEV; | |
208 | } | |
209 | ||
210 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
211 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " | |
212 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
213 | dev_cap->uar_size, | |
214 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
215 | return -ENODEV; | |
216 | } | |
217 | ||
218 | dev->caps.num_ports = dev_cap->num_ports; | |
5ae2a7a8 RD |
219 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
220 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
b79acb49 | 221 | dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i]; |
5ae2a7a8 RD |
222 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; |
223 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; | |
224 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; | |
b79acb49 YP |
225 | dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i]; |
226 | dev->caps.def_mac[i] = dev_cap->def_mac[i]; | |
7ff93f8b | 227 | dev->caps.supported_type[i] = dev_cap->supported_port_types[i]; |
7699517d YP |
228 | dev->caps.trans_type[i] = dev_cap->trans_type[i]; |
229 | dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i]; | |
230 | dev->caps.wavelength[i] = dev_cap->wavelength[i]; | |
231 | dev->caps.trans_code[i] = dev_cap->trans_code[i]; | |
5ae2a7a8 RD |
232 | } |
233 | ||
ab9c17a0 | 234 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 235 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
236 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
237 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
238 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
239 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
240 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
241 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
242 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
243 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
244 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
245 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
246 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
247 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
0ec2c0f8 | 248 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
225c7b1f RD |
249 | /* |
250 | * Subtract 1 from the limit because we need to allocate a | |
251 | * spare CQE so the HCA HW can tell the difference between an | |
252 | * empty CQ and a full CQ. | |
253 | */ | |
254 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
255 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
256 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 257 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 258 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 JM |
259 | |
260 | /* The first 128 UARs are used for EQ doorbells */ | |
261 | dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); | |
225c7b1f | 262 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
263 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
264 | dev_cap->reserved_xrcds : 0; | |
265 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
266 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
267 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
268 | ||
149983af | 269 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
270 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
271 | dev->caps.flags = dev_cap->flags; | |
95d04f07 RD |
272 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
273 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 274 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 275 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
225c7b1f | 276 | |
93fc9e1b | 277 | dev->caps.log_num_macs = log_num_mac; |
cb29688a | 278 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; |
93fc9e1b YP |
279 | dev->caps.log_num_prios = use_prio ? 3 : 0; |
280 | ||
281 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
282 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
283 | if (dev->caps.supported_type[i]) { | |
284 | /* if only ETH is supported - assign ETH */ | |
285 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
286 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
287 | /* if only IB is supported, | |
288 | * assign IB only if SRIOV is off*/ | |
289 | else if (dev->caps.supported_type[i] == | |
290 | MLX4_PORT_TYPE_IB) { | |
291 | if (dev->flags & MLX4_FLAG_SRIOV) | |
292 | dev->caps.port_type[i] = | |
293 | MLX4_PORT_TYPE_NONE; | |
294 | else | |
295 | dev->caps.port_type[i] = | |
296 | MLX4_PORT_TYPE_IB; | |
297 | /* if IB and ETH are supported, | |
298 | * first of all check if SRIOV is on */ | |
299 | } else if (dev->flags & MLX4_FLAG_SRIOV) | |
300 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
301 | /* if IB and ETH are supported and SRIOV is off | |
302 | * use module parameters */ | |
303 | else { | |
304 | if (port_type_array[i-1]) | |
305 | dev->caps.port_type[i] = | |
306 | MLX4_PORT_TYPE_IB; | |
307 | else | |
308 | dev->caps.port_type[i] = | |
309 | MLX4_PORT_TYPE_ETH; | |
310 | } | |
311 | } | |
27bf91d6 YP |
312 | dev->caps.possible_type[i] = dev->caps.port_type[i]; |
313 | mlx4_priv(dev)->sense.sense_allowed[i] = | |
314 | dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO; | |
7ff93f8b | 315 | |
93fc9e1b YP |
316 | if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) { |
317 | dev->caps.log_num_macs = dev_cap->log_max_macs[i]; | |
318 | mlx4_warn(dev, "Requested number of MACs is too much " | |
319 | "for port %d, reducing to %d.\n", | |
320 | i, 1 << dev->caps.log_num_macs); | |
321 | } | |
322 | if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) { | |
323 | dev->caps.log_num_vlans = dev_cap->log_max_vlans[i]; | |
324 | mlx4_warn(dev, "Requested number of VLANs is too much " | |
325 | "for port %d, reducing to %d.\n", | |
326 | i, 1 << dev->caps.log_num_vlans); | |
327 | } | |
328 | } | |
329 | ||
f2a3f6a3 OG |
330 | dev->caps.max_counters = 1 << ilog2(dev_cap->max_counters); |
331 | ||
93fc9e1b YP |
332 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
333 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
334 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
335 | (1 << dev->caps.log_num_macs) * | |
336 | (1 << dev->caps.log_num_vlans) * | |
337 | (1 << dev->caps.log_num_prios) * | |
338 | dev->caps.num_ports; | |
339 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
340 | ||
341 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
342 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
343 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
344 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
345 | ||
225c7b1f RD |
346 | return 0; |
347 | } | |
ab9c17a0 JM |
348 | /*The function checks if there are live vf, return the num of them*/ |
349 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
350 | { | |
351 | struct mlx4_priv *priv = mlx4_priv(dev); | |
352 | struct mlx4_slave_state *s_state; | |
353 | int i; | |
354 | int ret = 0; | |
355 | ||
356 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
357 | s_state = &priv->mfunc.master.slave_state[i]; | |
358 | if (s_state->active && s_state->last_cmd != | |
359 | MLX4_COMM_CMD_RESET) { | |
360 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
361 | __func__, i); | |
362 | ret++; | |
363 | } | |
364 | } | |
365 | return ret; | |
366 | } | |
367 | ||
368 | static int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) | |
369 | { | |
370 | struct mlx4_priv *priv = mlx4_priv(dev); | |
371 | struct mlx4_slave_state *s_slave; | |
372 | ||
373 | if (!mlx4_is_master(dev)) | |
374 | return 0; | |
375 | ||
376 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
377 | return !!s_slave->active; | |
378 | } | |
379 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
380 | ||
381 | static int mlx4_slave_cap(struct mlx4_dev *dev) | |
382 | { | |
383 | int err; | |
384 | u32 page_size; | |
385 | struct mlx4_dev_cap dev_cap; | |
386 | struct mlx4_func_cap func_cap; | |
387 | struct mlx4_init_hca_param hca_param; | |
388 | int i; | |
389 | ||
390 | memset(&hca_param, 0, sizeof(hca_param)); | |
391 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
392 | if (err) { | |
393 | mlx4_err(dev, "QUERY_HCA command failed, aborting.\n"); | |
394 | return err; | |
395 | } | |
396 | ||
397 | /*fail if the hca has an unknown capability */ | |
398 | if ((hca_param.global_caps | HCA_GLOBAL_CAP_MASK) != | |
399 | HCA_GLOBAL_CAP_MASK) { | |
400 | mlx4_err(dev, "Unknown hca global capabilities\n"); | |
401 | return -ENOSYS; | |
402 | } | |
403 | ||
404 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; | |
405 | ||
406 | memset(&dev_cap, 0, sizeof(dev_cap)); | |
407 | err = mlx4_dev_cap(dev, &dev_cap); | |
408 | if (err) { | |
409 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
410 | return err; | |
411 | } | |
412 | ||
413 | page_size = ~dev->caps.page_size_cap + 1; | |
414 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
415 | if (page_size > PAGE_SIZE) { | |
416 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
417 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
418 | page_size, PAGE_SIZE); | |
419 | return -ENODEV; | |
420 | } | |
421 | ||
422 | /* slave gets uar page size from QUERY_HCA fw command */ | |
423 | dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); | |
424 | ||
425 | /* TODO: relax this assumption */ | |
426 | if (dev->caps.uar_page_size != PAGE_SIZE) { | |
427 | mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", | |
428 | dev->caps.uar_page_size, PAGE_SIZE); | |
429 | return -ENODEV; | |
430 | } | |
431 | ||
432 | memset(&func_cap, 0, sizeof(func_cap)); | |
433 | err = mlx4_QUERY_FUNC_CAP(dev, &func_cap); | |
434 | if (err) { | |
435 | mlx4_err(dev, "QUERY_FUNC_CAP command failed, aborting.\n"); | |
436 | return err; | |
437 | } | |
438 | ||
439 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != | |
440 | PF_CONTEXT_BEHAVIOUR_MASK) { | |
441 | mlx4_err(dev, "Unknown pf context behaviour\n"); | |
442 | return -ENOSYS; | |
443 | } | |
444 | ||
445 | dev->caps.function = func_cap.function; | |
446 | dev->caps.num_ports = func_cap.num_ports; | |
447 | dev->caps.num_qps = func_cap.qp_quota; | |
448 | dev->caps.num_srqs = func_cap.srq_quota; | |
449 | dev->caps.num_cqs = func_cap.cq_quota; | |
450 | dev->caps.num_eqs = func_cap.max_eq; | |
451 | dev->caps.reserved_eqs = func_cap.reserved_eq; | |
452 | dev->caps.num_mpts = func_cap.mpt_quota; | |
453 | dev->caps.num_mtts = func_cap.mtt_quota; | |
454 | dev->caps.num_pds = MLX4_NUM_PDS; | |
455 | dev->caps.num_mgms = 0; | |
456 | dev->caps.num_amgms = 0; | |
457 | ||
458 | for (i = 1; i <= dev->caps.num_ports; ++i) | |
459 | dev->caps.port_mask[i] = dev->caps.port_type[i]; | |
460 | ||
461 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { | |
462 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
463 | "aborting.\n", dev->caps.num_ports, MLX4_MAX_PORTS); | |
464 | return -ENODEV; | |
465 | } | |
466 | ||
467 | if (dev->caps.uar_page_size * (dev->caps.num_uars - | |
468 | dev->caps.reserved_uars) > | |
469 | pci_resource_len(dev->pdev, 2)) { | |
470 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than " | |
471 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
472 | dev->caps.uar_page_size * dev->caps.num_uars, | |
473 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
474 | return -ENODEV; | |
475 | } | |
476 | ||
477 | #if 0 | |
478 | mlx4_warn(dev, "sqp_demux:%d\n", dev->caps.sqp_demux); | |
479 | mlx4_warn(dev, "num_uars:%d reserved_uars:%d uar region:0x%x bar2:0x%llx\n", | |
480 | dev->caps.num_uars, dev->caps.reserved_uars, | |
481 | dev->caps.uar_page_size * dev->caps.num_uars, | |
482 | pci_resource_len(dev->pdev, 2)); | |
483 | mlx4_warn(dev, "num_eqs:%d reserved_eqs:%d\n", dev->caps.num_eqs, | |
484 | dev->caps.reserved_eqs); | |
485 | mlx4_warn(dev, "num_pds:%d reserved_pds:%d slave_pd_shift:%d pd_base:%d\n", | |
486 | dev->caps.num_pds, dev->caps.reserved_pds, | |
487 | dev->caps.slave_pd_shift, dev->caps.pd_base); | |
488 | #endif | |
489 | return 0; | |
490 | } | |
225c7b1f | 491 | |
7ff93f8b YP |
492 | /* |
493 | * Change the port configuration of the device. | |
494 | * Every user of this function must hold the port mutex. | |
495 | */ | |
27bf91d6 YP |
496 | int mlx4_change_port_types(struct mlx4_dev *dev, |
497 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
498 | { |
499 | int err = 0; | |
500 | int change = 0; | |
501 | int port; | |
502 | ||
503 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
504 | /* Change the port type only if the new type is different |
505 | * from the current, and not set to Auto */ | |
7ff93f8b YP |
506 | if (port_types[port] != dev->caps.port_type[port + 1]) { |
507 | change = 1; | |
508 | dev->caps.port_type[port + 1] = port_types[port]; | |
509 | } | |
510 | } | |
511 | if (change) { | |
512 | mlx4_unregister_device(dev); | |
513 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
514 | mlx4_CLOSE_PORT(dev, port); | |
515 | err = mlx4_SET_PORT(dev, port); | |
516 | if (err) { | |
517 | mlx4_err(dev, "Failed to set port %d, " | |
518 | "aborting\n", port); | |
519 | goto out; | |
520 | } | |
521 | } | |
522 | mlx4_set_port_mask(dev); | |
523 | err = mlx4_register_device(dev); | |
524 | } | |
525 | ||
526 | out: | |
527 | return err; | |
528 | } | |
529 | ||
530 | static ssize_t show_port_type(struct device *dev, | |
531 | struct device_attribute *attr, | |
532 | char *buf) | |
533 | { | |
534 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
535 | port_attr); | |
536 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
537 | char type[8]; |
538 | ||
539 | sprintf(type, "%s", | |
540 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
541 | "ib" : "eth"); | |
542 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
543 | sprintf(buf, "auto (%s)\n", type); | |
544 | else | |
545 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 546 | |
27bf91d6 | 547 | return strlen(buf); |
7ff93f8b YP |
548 | } |
549 | ||
550 | static ssize_t set_port_type(struct device *dev, | |
551 | struct device_attribute *attr, | |
552 | const char *buf, size_t count) | |
553 | { | |
554 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
555 | port_attr); | |
556 | struct mlx4_dev *mdev = info->dev; | |
557 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
558 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 559 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
560 | int i; |
561 | int err = 0; | |
562 | ||
563 | if (!strcmp(buf, "ib\n")) | |
564 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
565 | else if (!strcmp(buf, "eth\n")) | |
566 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
567 | else if (!strcmp(buf, "auto\n")) |
568 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
569 | else { |
570 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
571 | return -EINVAL; | |
572 | } | |
573 | ||
27bf91d6 | 574 | mlx4_stop_sense(mdev); |
7ff93f8b | 575 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
576 | /* Possible type is always the one that was delivered */ |
577 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
578 | ||
579 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 580 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
581 | mdev->caps.possible_type[i+1]; |
582 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
583 | types[i] = mdev->caps.port_type[i+1]; | |
584 | } | |
7ff93f8b | 585 | |
27bf91d6 YP |
586 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
587 | for (i = 1; i <= mdev->caps.num_ports; i++) { | |
588 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
589 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
590 | err = -EINVAL; | |
591 | } | |
592 | } | |
593 | } | |
594 | if (err) { | |
595 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. " | |
596 | "Set only 'eth' or 'ib' for both ports " | |
597 | "(should be the same)\n"); | |
598 | goto out; | |
599 | } | |
600 | ||
601 | mlx4_do_sense_ports(mdev, new_types, types); | |
602 | ||
603 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
604 | if (err) |
605 | goto out; | |
606 | ||
27bf91d6 YP |
607 | /* We are about to apply the changes after the configuration |
608 | * was verified, no need to remember the temporary types | |
609 | * any more */ | |
610 | for (i = 0; i < mdev->caps.num_ports; i++) | |
611 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 612 | |
27bf91d6 | 613 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
614 | |
615 | out: | |
27bf91d6 | 616 | mlx4_start_sense(mdev); |
7ff93f8b YP |
617 | mutex_unlock(&priv->port_mutex); |
618 | return err ? err : count; | |
619 | } | |
620 | ||
e8f9b2ed | 621 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
622 | { |
623 | struct mlx4_priv *priv = mlx4_priv(dev); | |
624 | int err; | |
625 | ||
626 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 627 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
628 | if (!priv->fw.fw_icm) { |
629 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); | |
630 | return -ENOMEM; | |
631 | } | |
632 | ||
633 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
634 | if (err) { | |
635 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); | |
636 | goto err_free; | |
637 | } | |
638 | ||
639 | err = mlx4_RUN_FW(dev); | |
640 | if (err) { | |
641 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); | |
642 | goto err_unmap_fa; | |
643 | } | |
644 | ||
645 | return 0; | |
646 | ||
647 | err_unmap_fa: | |
648 | mlx4_UNMAP_FA(dev); | |
649 | ||
650 | err_free: | |
5b0bf5e2 | 651 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
652 | return err; |
653 | } | |
654 | ||
e8f9b2ed RD |
655 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
656 | int cmpt_entry_sz) | |
225c7b1f RD |
657 | { |
658 | struct mlx4_priv *priv = mlx4_priv(dev); | |
659 | int err; | |
ab9c17a0 | 660 | int num_eqs; |
225c7b1f RD |
661 | |
662 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
663 | cmpt_base + | |
664 | ((u64) (MLX4_CMPT_TYPE_QP * | |
665 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
666 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
667 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
668 | 0, 0); | |
225c7b1f RD |
669 | if (err) |
670 | goto err; | |
671 | ||
672 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
673 | cmpt_base + | |
674 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
675 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
676 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 677 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
678 | if (err) |
679 | goto err_qp; | |
680 | ||
681 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
682 | cmpt_base + | |
683 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
684 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
685 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 686 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
687 | if (err) |
688 | goto err_srq; | |
689 | ||
ab9c17a0 JM |
690 | num_eqs = (mlx4_is_master(dev)) ? |
691 | roundup_pow_of_two(mlx4_master_get_num_eqs(dev)) : | |
692 | dev->caps.num_eqs; | |
225c7b1f RD |
693 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
694 | cmpt_base + | |
695 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
696 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 697 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
698 | if (err) |
699 | goto err_cq; | |
700 | ||
701 | return 0; | |
702 | ||
703 | err_cq: | |
704 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
705 | ||
706 | err_srq: | |
707 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
708 | ||
709 | err_qp: | |
710 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
711 | ||
712 | err: | |
713 | return err; | |
714 | } | |
715 | ||
3d73c288 RD |
716 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
717 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
718 | { |
719 | struct mlx4_priv *priv = mlx4_priv(dev); | |
720 | u64 aux_pages; | |
ab9c17a0 | 721 | int num_eqs; |
225c7b1f RD |
722 | int err; |
723 | ||
724 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
725 | if (err) { | |
726 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); | |
727 | return err; | |
728 | } | |
729 | ||
730 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", | |
731 | (unsigned long long) icm_size >> 10, | |
732 | (unsigned long long) aux_pages << 2); | |
733 | ||
734 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 735 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
736 | if (!priv->fw.aux_icm) { |
737 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); | |
738 | return -ENOMEM; | |
739 | } | |
740 | ||
741 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
742 | if (err) { | |
743 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); | |
744 | goto err_free_aux; | |
745 | } | |
746 | ||
747 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
748 | if (err) { | |
749 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); | |
750 | goto err_unmap_aux; | |
751 | } | |
752 | ||
ab9c17a0 JM |
753 | |
754 | num_eqs = (mlx4_is_master(dev)) ? | |
755 | roundup_pow_of_two(mlx4_master_get_num_eqs(dev)) : | |
756 | dev->caps.num_eqs; | |
fa0681d2 RD |
757 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
758 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 759 | num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
760 | if (err) { |
761 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); | |
762 | goto err_unmap_cmpt; | |
763 | } | |
764 | ||
d7bb58fb JM |
765 | /* |
766 | * Reserved MTT entries must be aligned up to a cacheline | |
767 | * boundary, since the FW will write to them, while the driver | |
768 | * writes to all other MTT entries. (The variable | |
769 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
770 | * size, not the raw entry size) | |
771 | */ | |
772 | dev->caps.reserved_mtts = | |
773 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
774 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
775 | ||
225c7b1f RD |
776 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
777 | init_hca->mtt_base, | |
778 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 779 | dev->caps.num_mtts, |
5b0bf5e2 | 780 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f RD |
781 | if (err) { |
782 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); | |
783 | goto err_unmap_eq; | |
784 | } | |
785 | ||
786 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
787 | init_hca->dmpt_base, | |
788 | dev_cap->dmpt_entry_sz, | |
789 | dev->caps.num_mpts, | |
5b0bf5e2 | 790 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f RD |
791 | if (err) { |
792 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); | |
793 | goto err_unmap_mtt; | |
794 | } | |
795 | ||
796 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
797 | init_hca->qpc_base, | |
798 | dev_cap->qpc_entry_sz, | |
799 | dev->caps.num_qps, | |
93fc9e1b YP |
800 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
801 | 0, 0); | |
225c7b1f RD |
802 | if (err) { |
803 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); | |
804 | goto err_unmap_dmpt; | |
805 | } | |
806 | ||
807 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
808 | init_hca->auxc_base, | |
809 | dev_cap->aux_entry_sz, | |
810 | dev->caps.num_qps, | |
93fc9e1b YP |
811 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
812 | 0, 0); | |
225c7b1f RD |
813 | if (err) { |
814 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); | |
815 | goto err_unmap_qp; | |
816 | } | |
817 | ||
818 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
819 | init_hca->altc_base, | |
820 | dev_cap->altc_entry_sz, | |
821 | dev->caps.num_qps, | |
93fc9e1b YP |
822 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
823 | 0, 0); | |
225c7b1f RD |
824 | if (err) { |
825 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); | |
826 | goto err_unmap_auxc; | |
827 | } | |
828 | ||
829 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
830 | init_hca->rdmarc_base, | |
831 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
832 | dev->caps.num_qps, | |
93fc9e1b YP |
833 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
834 | 0, 0); | |
225c7b1f RD |
835 | if (err) { |
836 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
837 | goto err_unmap_altc; | |
838 | } | |
839 | ||
840 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
841 | init_hca->cqc_base, | |
842 | dev_cap->cqc_entry_sz, | |
843 | dev->caps.num_cqs, | |
5b0bf5e2 | 844 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
845 | if (err) { |
846 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); | |
847 | goto err_unmap_rdmarc; | |
848 | } | |
849 | ||
850 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
851 | init_hca->srqc_base, | |
852 | dev_cap->srq_entry_sz, | |
853 | dev->caps.num_srqs, | |
5b0bf5e2 | 854 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
855 | if (err) { |
856 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); | |
857 | goto err_unmap_cq; | |
858 | } | |
859 | ||
860 | /* | |
861 | * It's not strictly required, but for simplicity just map the | |
862 | * whole multicast group table now. The table isn't very big | |
863 | * and it's a lot easier than trying to track ref counts. | |
864 | */ | |
865 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
866 | init_hca->mc_base, |
867 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
868 | dev->caps.num_mgms + dev->caps.num_amgms, |
869 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 870 | 0, 0); |
225c7b1f RD |
871 | if (err) { |
872 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); | |
873 | goto err_unmap_srq; | |
874 | } | |
875 | ||
876 | return 0; | |
877 | ||
878 | err_unmap_srq: | |
879 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
880 | ||
881 | err_unmap_cq: | |
882 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
883 | ||
884 | err_unmap_rdmarc: | |
885 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
886 | ||
887 | err_unmap_altc: | |
888 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
889 | ||
890 | err_unmap_auxc: | |
891 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
892 | ||
893 | err_unmap_qp: | |
894 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
895 | ||
896 | err_unmap_dmpt: | |
897 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
898 | ||
899 | err_unmap_mtt: | |
900 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
901 | ||
902 | err_unmap_eq: | |
fa0681d2 | 903 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
904 | |
905 | err_unmap_cmpt: | |
906 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
907 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
908 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
909 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
910 | ||
911 | err_unmap_aux: | |
912 | mlx4_UNMAP_ICM_AUX(dev); | |
913 | ||
914 | err_free_aux: | |
5b0bf5e2 | 915 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
916 | |
917 | return err; | |
918 | } | |
919 | ||
920 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
921 | { | |
922 | struct mlx4_priv *priv = mlx4_priv(dev); | |
923 | ||
924 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
925 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
926 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
927 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
928 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
929 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
930 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
931 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
932 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 933 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
934 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
935 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
936 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
937 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
938 | |
939 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 940 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
941 | } |
942 | ||
ab9c17a0 JM |
943 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
944 | { | |
945 | struct mlx4_priv *priv = mlx4_priv(dev); | |
946 | ||
947 | down(&priv->cmd.slave_sem); | |
948 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_TIME)) | |
949 | mlx4_warn(dev, "Failed to close slave function.\n"); | |
950 | up(&priv->cmd.slave_sem); | |
951 | } | |
952 | ||
c1b43dca EC |
953 | static int map_bf_area(struct mlx4_dev *dev) |
954 | { | |
955 | struct mlx4_priv *priv = mlx4_priv(dev); | |
956 | resource_size_t bf_start; | |
957 | resource_size_t bf_len; | |
958 | int err = 0; | |
959 | ||
ab9c17a0 JM |
960 | bf_start = pci_resource_start(dev->pdev, 2) + |
961 | (dev->caps.num_uars << PAGE_SHIFT); | |
962 | bf_len = pci_resource_len(dev->pdev, 2) - | |
963 | (dev->caps.num_uars << PAGE_SHIFT); | |
c1b43dca EC |
964 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
965 | if (!priv->bf_mapping) | |
966 | err = -ENOMEM; | |
967 | ||
968 | return err; | |
969 | } | |
970 | ||
971 | static void unmap_bf_area(struct mlx4_dev *dev) | |
972 | { | |
973 | if (mlx4_priv(dev)->bf_mapping) | |
974 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
975 | } | |
976 | ||
225c7b1f RD |
977 | static void mlx4_close_hca(struct mlx4_dev *dev) |
978 | { | |
c1b43dca | 979 | unmap_bf_area(dev); |
ab9c17a0 JM |
980 | if (mlx4_is_slave(dev)) |
981 | mlx4_slave_exit(dev); | |
982 | else { | |
983 | mlx4_CLOSE_HCA(dev, 0); | |
984 | mlx4_free_icms(dev); | |
985 | mlx4_UNMAP_FA(dev); | |
986 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
987 | } | |
988 | } | |
989 | ||
990 | static int mlx4_init_slave(struct mlx4_dev *dev) | |
991 | { | |
992 | struct mlx4_priv *priv = mlx4_priv(dev); | |
993 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
994 | int num_of_reset_retries = NUM_OF_RESET_RETRIES; | |
995 | int ret_from_reset = 0; | |
996 | u32 slave_read; | |
997 | u32 cmd_channel_ver; | |
998 | ||
999 | down(&priv->cmd.slave_sem); | |
1000 | priv->cmd.max_cmds = 1; | |
1001 | mlx4_warn(dev, "Sending reset\n"); | |
1002 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
1003 | MLX4_COMM_TIME); | |
1004 | /* if we are in the middle of flr the slave will try | |
1005 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
1006 | if (ret_from_reset) { | |
1007 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1008 | msleep(SLEEP_TIME_IN_RESET); | |
1009 | while (ret_from_reset && num_of_reset_retries) { | |
1010 | mlx4_warn(dev, "slave is currently in the" | |
1011 | "middle of FLR. retrying..." | |
1012 | "(try num:%d)\n", | |
1013 | (NUM_OF_RESET_RETRIES - | |
1014 | num_of_reset_retries + 1)); | |
1015 | ret_from_reset = | |
1016 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, | |
1017 | 0, MLX4_COMM_TIME); | |
1018 | num_of_reset_retries = num_of_reset_retries - 1; | |
1019 | } | |
1020 | } else | |
1021 | goto err; | |
1022 | } | |
1023 | ||
1024 | /* check the driver version - the slave I/F revision | |
1025 | * must match the master's */ | |
1026 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
1027 | cmd_channel_ver = mlx4_comm_get_version(); | |
1028 | ||
1029 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
1030 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1031 | mlx4_err(dev, "slave driver version is not supported" | |
1032 | " by the master\n"); | |
1033 | goto err; | |
1034 | } | |
1035 | ||
1036 | mlx4_warn(dev, "Sending vhcr0\n"); | |
1037 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
1038 | MLX4_COMM_TIME)) | |
1039 | goto err; | |
1040 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
1041 | MLX4_COMM_TIME)) | |
1042 | goto err; | |
1043 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
1044 | MLX4_COMM_TIME)) | |
1045 | goto err; | |
1046 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, MLX4_COMM_TIME)) | |
1047 | goto err; | |
1048 | up(&priv->cmd.slave_sem); | |
1049 | return 0; | |
1050 | ||
1051 | err: | |
1052 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, 0); | |
1053 | up(&priv->cmd.slave_sem); | |
1054 | return -EIO; | |
225c7b1f RD |
1055 | } |
1056 | ||
3d73c288 | 1057 | static int mlx4_init_hca(struct mlx4_dev *dev) |
225c7b1f RD |
1058 | { |
1059 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1060 | struct mlx4_adapter adapter; | |
1061 | struct mlx4_dev_cap dev_cap; | |
2d928651 | 1062 | struct mlx4_mod_stat_cfg mlx4_cfg; |
225c7b1f RD |
1063 | struct mlx4_profile profile; |
1064 | struct mlx4_init_hca_param init_hca; | |
1065 | u64 icm_size; | |
1066 | int err; | |
1067 | ||
ab9c17a0 JM |
1068 | if (!mlx4_is_slave(dev)) { |
1069 | err = mlx4_QUERY_FW(dev); | |
1070 | if (err) { | |
1071 | if (err == -EACCES) | |
1072 | mlx4_info(dev, "non-primary physical function, skipping.\n"); | |
1073 | else | |
1074 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); | |
1075 | goto unmap_bf; | |
1076 | } | |
225c7b1f | 1077 | |
ab9c17a0 JM |
1078 | err = mlx4_load_fw(dev); |
1079 | if (err) { | |
1080 | mlx4_err(dev, "Failed to start FW, aborting.\n"); | |
1081 | goto unmap_bf; | |
1082 | } | |
225c7b1f | 1083 | |
ab9c17a0 JM |
1084 | mlx4_cfg.log_pg_sz_m = 1; |
1085 | mlx4_cfg.log_pg_sz = 0; | |
1086 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
1087 | if (err) | |
1088 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
2d928651 | 1089 | |
ab9c17a0 JM |
1090 | err = mlx4_dev_cap(dev, &dev_cap); |
1091 | if (err) { | |
1092 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
1093 | goto err_stop_fw; | |
1094 | } | |
225c7b1f | 1095 | |
ab9c17a0 | 1096 | profile = default_profile; |
225c7b1f | 1097 | |
ab9c17a0 JM |
1098 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
1099 | &init_hca); | |
1100 | if ((long long) icm_size < 0) { | |
1101 | err = icm_size; | |
1102 | goto err_stop_fw; | |
1103 | } | |
225c7b1f | 1104 | |
ab9c17a0 JM |
1105 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
1106 | init_hca.uar_page_sz = PAGE_SHIFT - 12; | |
c1b43dca | 1107 | |
ab9c17a0 JM |
1108 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
1109 | if (err) | |
1110 | goto err_stop_fw; | |
225c7b1f | 1111 | |
ab9c17a0 JM |
1112 | err = mlx4_INIT_HCA(dev, &init_hca); |
1113 | if (err) { | |
1114 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); | |
1115 | goto err_free_icm; | |
1116 | } | |
1117 | } else { | |
1118 | err = mlx4_init_slave(dev); | |
1119 | if (err) { | |
1120 | mlx4_err(dev, "Failed to initialize slave\n"); | |
1121 | goto unmap_bf; | |
1122 | } | |
225c7b1f | 1123 | |
ab9c17a0 JM |
1124 | err = mlx4_slave_cap(dev); |
1125 | if (err) { | |
1126 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
1127 | goto err_close; | |
1128 | } | |
225c7b1f RD |
1129 | } |
1130 | ||
ab9c17a0 JM |
1131 | if (map_bf_area(dev)) |
1132 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
1133 | ||
1134 | /*Only the master set the ports, all the rest got it from it.*/ | |
1135 | if (!mlx4_is_slave(dev)) | |
1136 | mlx4_set_port_mask(dev); | |
1137 | ||
225c7b1f RD |
1138 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
1139 | if (err) { | |
1140 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); | |
1141 | goto err_close; | |
1142 | } | |
1143 | ||
1144 | priv->eq_table.inta_pin = adapter.inta_pin; | |
cd9281d8 | 1145 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
1146 | |
1147 | return 0; | |
1148 | ||
1149 | err_close: | |
ab9c17a0 | 1150 | mlx4_close_hca(dev); |
225c7b1f RD |
1151 | |
1152 | err_free_icm: | |
ab9c17a0 JM |
1153 | if (!mlx4_is_slave(dev)) |
1154 | mlx4_free_icms(dev); | |
225c7b1f RD |
1155 | |
1156 | err_stop_fw: | |
ab9c17a0 JM |
1157 | if (!mlx4_is_slave(dev)) { |
1158 | mlx4_UNMAP_FA(dev); | |
1159 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); | |
1160 | } | |
1161 | unmap_bf: | |
c1b43dca | 1162 | unmap_bf_area(dev); |
225c7b1f RD |
1163 | return err; |
1164 | } | |
1165 | ||
f2a3f6a3 OG |
1166 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
1167 | { | |
1168 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1169 | int nent; | |
1170 | ||
1171 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1172 | return -ENOENT; | |
1173 | ||
1174 | nent = dev->caps.max_counters; | |
1175 | return mlx4_bitmap_init(&priv->counters_bitmap, nent, nent - 1, 0, 0); | |
1176 | } | |
1177 | ||
1178 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
1179 | { | |
1180 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); | |
1181 | } | |
1182 | ||
1183 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
1184 | { | |
1185 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1186 | ||
1187 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1188 | return -ENOENT; | |
1189 | ||
1190 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
1191 | if (*idx == -1) | |
1192 | return -ENOMEM; | |
1193 | ||
1194 | return 0; | |
1195 | } | |
1196 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); | |
1197 | ||
1198 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
1199 | { | |
1200 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx); | |
1201 | return; | |
1202 | } | |
1203 | EXPORT_SYMBOL_GPL(mlx4_counter_free); | |
1204 | ||
3d73c288 | 1205 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
1206 | { |
1207 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1208 | int err; | |
7ff93f8b | 1209 | int port; |
9a5aa622 | 1210 | __be32 ib_port_default_caps; |
225c7b1f | 1211 | |
225c7b1f RD |
1212 | err = mlx4_init_uar_table(dev); |
1213 | if (err) { | |
1214 | mlx4_err(dev, "Failed to initialize " | |
1215 | "user access region table, aborting.\n"); | |
1216 | return err; | |
1217 | } | |
1218 | ||
1219 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
1220 | if (err) { | |
1221 | mlx4_err(dev, "Failed to allocate driver access region, " | |
1222 | "aborting.\n"); | |
1223 | goto err_uar_table_free; | |
1224 | } | |
1225 | ||
4979d18f | 1226 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f RD |
1227 | if (!priv->kar) { |
1228 | mlx4_err(dev, "Couldn't map kernel access region, " | |
1229 | "aborting.\n"); | |
1230 | err = -ENOMEM; | |
1231 | goto err_uar_free; | |
1232 | } | |
1233 | ||
1234 | err = mlx4_init_pd_table(dev); | |
1235 | if (err) { | |
1236 | mlx4_err(dev, "Failed to initialize " | |
1237 | "protection domain table, aborting.\n"); | |
1238 | goto err_kar_unmap; | |
1239 | } | |
1240 | ||
012a8ff5 SH |
1241 | err = mlx4_init_xrcd_table(dev); |
1242 | if (err) { | |
1243 | mlx4_err(dev, "Failed to initialize " | |
1244 | "reliable connection domain table, aborting.\n"); | |
1245 | goto err_pd_table_free; | |
1246 | } | |
1247 | ||
225c7b1f RD |
1248 | err = mlx4_init_mr_table(dev); |
1249 | if (err) { | |
1250 | mlx4_err(dev, "Failed to initialize " | |
1251 | "memory region table, aborting.\n"); | |
012a8ff5 | 1252 | goto err_xrcd_table_free; |
225c7b1f RD |
1253 | } |
1254 | ||
225c7b1f RD |
1255 | err = mlx4_init_eq_table(dev); |
1256 | if (err) { | |
1257 | mlx4_err(dev, "Failed to initialize " | |
1258 | "event queue table, aborting.\n"); | |
ee49bd93 | 1259 | goto err_mr_table_free; |
225c7b1f RD |
1260 | } |
1261 | ||
1262 | err = mlx4_cmd_use_events(dev); | |
1263 | if (err) { | |
1264 | mlx4_err(dev, "Failed to switch to event-driven " | |
1265 | "firmware commands, aborting.\n"); | |
1266 | goto err_eq_table_free; | |
1267 | } | |
1268 | ||
1269 | err = mlx4_NOP(dev); | |
1270 | if (err) { | |
08fb1055 MT |
1271 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1272 | mlx4_warn(dev, "NOP command failed to generate MSI-X " | |
1273 | "interrupt IRQ %d).\n", | |
b8dd786f | 1274 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
08fb1055 MT |
1275 | mlx4_warn(dev, "Trying again without MSI-X.\n"); |
1276 | } else { | |
1277 | mlx4_err(dev, "NOP command failed to generate interrupt " | |
1278 | "(IRQ %d), aborting.\n", | |
b8dd786f | 1279 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
225c7b1f | 1280 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 1281 | } |
225c7b1f RD |
1282 | |
1283 | goto err_cmd_poll; | |
1284 | } | |
1285 | ||
1286 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
1287 | ||
1288 | err = mlx4_init_cq_table(dev); | |
1289 | if (err) { | |
1290 | mlx4_err(dev, "Failed to initialize " | |
1291 | "completion queue table, aborting.\n"); | |
1292 | goto err_cmd_poll; | |
1293 | } | |
1294 | ||
1295 | err = mlx4_init_srq_table(dev); | |
1296 | if (err) { | |
1297 | mlx4_err(dev, "Failed to initialize " | |
1298 | "shared receive queue table, aborting.\n"); | |
1299 | goto err_cq_table_free; | |
1300 | } | |
1301 | ||
1302 | err = mlx4_init_qp_table(dev); | |
1303 | if (err) { | |
1304 | mlx4_err(dev, "Failed to initialize " | |
1305 | "queue pair table, aborting.\n"); | |
1306 | goto err_srq_table_free; | |
1307 | } | |
1308 | ||
ab9c17a0 JM |
1309 | if (!mlx4_is_slave(dev)) { |
1310 | err = mlx4_init_mcg_table(dev); | |
1311 | if (err) { | |
1312 | mlx4_err(dev, "Failed to initialize " | |
1313 | "multicast group table, aborting.\n"); | |
1314 | goto err_qp_table_free; | |
1315 | } | |
225c7b1f RD |
1316 | } |
1317 | ||
f2a3f6a3 OG |
1318 | err = mlx4_init_counters_table(dev); |
1319 | if (err && err != -ENOENT) { | |
1320 | mlx4_err(dev, "Failed to initialize counters table, aborting.\n"); | |
ab9c17a0 | 1321 | goto err_mcg_table_free; |
f2a3f6a3 OG |
1322 | } |
1323 | ||
ab9c17a0 JM |
1324 | if (!mlx4_is_slave(dev)) { |
1325 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1326 | if (!mlx4_is_mfunc(dev)) { | |
1327 | enum mlx4_port_type port_type = 0; | |
1328 | mlx4_SENSE_PORT(dev, port, &port_type); | |
1329 | if (port_type) | |
1330 | dev->caps.port_type[port] = port_type; | |
1331 | } | |
1332 | ib_port_default_caps = 0; | |
1333 | err = mlx4_get_port_ib_caps(dev, port, | |
1334 | &ib_port_default_caps); | |
1335 | if (err) | |
1336 | mlx4_warn(dev, "failed to get port %d default " | |
1337 | "ib capabilities (%d). Continuing " | |
1338 | "with caps = 0\n", port, err); | |
1339 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; | |
1340 | ||
1341 | err = mlx4_check_ext_port_caps(dev, port); | |
1342 | if (err) | |
1343 | mlx4_warn(dev, "failed to get port %d extended " | |
1344 | "port capabilities support info (%d)." | |
1345 | " Assuming not supported\n", | |
1346 | port, err); | |
97285b78 | 1347 | |
ab9c17a0 JM |
1348 | err = mlx4_SET_PORT(dev, port); |
1349 | if (err) { | |
1350 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1351 | port); | |
1352 | goto err_counters_table_free; | |
1353 | } | |
7ff93f8b YP |
1354 | } |
1355 | } | |
1356 | ||
225c7b1f RD |
1357 | return 0; |
1358 | ||
f2a3f6a3 OG |
1359 | err_counters_table_free: |
1360 | mlx4_cleanup_counters_table(dev); | |
1361 | ||
ab9c17a0 JM |
1362 | err_mcg_table_free: |
1363 | mlx4_cleanup_mcg_table(dev); | |
1364 | ||
225c7b1f RD |
1365 | err_qp_table_free: |
1366 | mlx4_cleanup_qp_table(dev); | |
1367 | ||
1368 | err_srq_table_free: | |
1369 | mlx4_cleanup_srq_table(dev); | |
1370 | ||
1371 | err_cq_table_free: | |
1372 | mlx4_cleanup_cq_table(dev); | |
1373 | ||
1374 | err_cmd_poll: | |
1375 | mlx4_cmd_use_polling(dev); | |
1376 | ||
1377 | err_eq_table_free: | |
1378 | mlx4_cleanup_eq_table(dev); | |
1379 | ||
ee49bd93 | 1380 | err_mr_table_free: |
225c7b1f RD |
1381 | mlx4_cleanup_mr_table(dev); |
1382 | ||
012a8ff5 SH |
1383 | err_xrcd_table_free: |
1384 | mlx4_cleanup_xrcd_table(dev); | |
1385 | ||
225c7b1f RD |
1386 | err_pd_table_free: |
1387 | mlx4_cleanup_pd_table(dev); | |
1388 | ||
1389 | err_kar_unmap: | |
1390 | iounmap(priv->kar); | |
1391 | ||
1392 | err_uar_free: | |
1393 | mlx4_uar_free(dev, &priv->driver_uar); | |
1394 | ||
1395 | err_uar_table_free: | |
1396 | mlx4_cleanup_uar_table(dev); | |
1397 | return err; | |
1398 | } | |
1399 | ||
e8f9b2ed | 1400 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
1401 | { |
1402 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 1403 | struct msix_entry *entries; |
0b7ca5a9 YP |
1404 | int nreq = min_t(int, dev->caps.num_ports * |
1405 | min_t(int, num_online_cpus() + 1, MAX_MSIX_P_PORT) | |
1406 | + MSIX_LEGACY_SZ, MAX_MSIX); | |
225c7b1f RD |
1407 | int err; |
1408 | int i; | |
1409 | ||
1410 | if (msi_x) { | |
ab9c17a0 JM |
1411 | /* In multifunction mode each function gets 2 msi-X vectors |
1412 | * one for data path completions anf the other for asynch events | |
1413 | * or command completions */ | |
1414 | if (mlx4_is_mfunc(dev)) { | |
1415 | nreq = 2; | |
1416 | } else { | |
1417 | nreq = min_t(int, dev->caps.num_eqs - | |
1418 | dev->caps.reserved_eqs, nreq); | |
1419 | } | |
1420 | ||
b8dd786f YP |
1421 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
1422 | if (!entries) | |
1423 | goto no_msi; | |
1424 | ||
1425 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
1426 | entries[i].entry = i; |
1427 | ||
b8dd786f YP |
1428 | retry: |
1429 | err = pci_enable_msix(dev->pdev, entries, nreq); | |
225c7b1f | 1430 | if (err) { |
b8dd786f YP |
1431 | /* Try again if at least 2 vectors are available */ |
1432 | if (err > 1) { | |
1433 | mlx4_info(dev, "Requested %d vectors, " | |
1434 | "but only %d MSI-X vectors available, " | |
1435 | "trying again\n", nreq, err); | |
1436 | nreq = err; | |
1437 | goto retry; | |
1438 | } | |
5bf0da7d | 1439 | kfree(entries); |
225c7b1f RD |
1440 | goto no_msi; |
1441 | } | |
1442 | ||
0b7ca5a9 YP |
1443 | if (nreq < |
1444 | MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) { | |
1445 | /*Working in legacy mode , all EQ's shared*/ | |
1446 | dev->caps.comp_pool = 0; | |
1447 | dev->caps.num_comp_vectors = nreq - 1; | |
1448 | } else { | |
1449 | dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ; | |
1450 | dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1; | |
1451 | } | |
b8dd786f | 1452 | for (i = 0; i < nreq; ++i) |
225c7b1f RD |
1453 | priv->eq_table.eq[i].irq = entries[i].vector; |
1454 | ||
1455 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
1456 | |
1457 | kfree(entries); | |
225c7b1f RD |
1458 | return; |
1459 | } | |
1460 | ||
1461 | no_msi: | |
b8dd786f | 1462 | dev->caps.num_comp_vectors = 1; |
0b7ca5a9 | 1463 | dev->caps.comp_pool = 0; |
b8dd786f YP |
1464 | |
1465 | for (i = 0; i < 2; ++i) | |
225c7b1f RD |
1466 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
1467 | } | |
1468 | ||
7ff93f8b | 1469 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
1470 | { |
1471 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 1472 | int err = 0; |
2a2336f8 YP |
1473 | |
1474 | info->dev = dev; | |
1475 | info->port = port; | |
ab9c17a0 JM |
1476 | if (!mlx4_is_slave(dev)) { |
1477 | INIT_RADIX_TREE(&info->mac_tree, GFP_KERNEL); | |
1478 | mlx4_init_mac_table(dev, &info->mac_table); | |
1479 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
1480 | info->base_qpn = | |
1481 | dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + | |
06fa0a88 | 1482 | (port - 1) * (1 << log_num_mac); |
ab9c17a0 | 1483 | } |
7ff93f8b YP |
1484 | |
1485 | sprintf(info->dev_name, "mlx4_port%d", port); | |
1486 | info->port_attr.attr.name = info->dev_name; | |
ab9c17a0 JM |
1487 | if (mlx4_is_mfunc(dev)) |
1488 | info->port_attr.attr.mode = S_IRUGO; | |
1489 | else { | |
1490 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
1491 | info->port_attr.store = set_port_type; | |
1492 | } | |
7ff93f8b | 1493 | info->port_attr.show = show_port_type; |
3691c964 | 1494 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b YP |
1495 | |
1496 | err = device_create_file(&dev->pdev->dev, &info->port_attr); | |
1497 | if (err) { | |
1498 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
1499 | info->port = -1; | |
1500 | } | |
1501 | ||
1502 | return err; | |
1503 | } | |
1504 | ||
1505 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
1506 | { | |
1507 | if (info->port < 0) | |
1508 | return; | |
1509 | ||
1510 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
2a2336f8 YP |
1511 | } |
1512 | ||
b12d93d6 YP |
1513 | static int mlx4_init_steering(struct mlx4_dev *dev) |
1514 | { | |
1515 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1516 | int num_entries = dev->caps.num_ports; | |
1517 | int i, j; | |
1518 | ||
1519 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
1520 | if (!priv->steer) | |
1521 | return -ENOMEM; | |
1522 | ||
1523 | for (i = 0; i < num_entries; i++) { | |
1524 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
1525 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
1526 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
1527 | } | |
1528 | INIT_LIST_HEAD(&priv->steer[i].high_prios); | |
1529 | } | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
1534 | { | |
1535 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1536 | struct mlx4_steer_index *entry, *tmp_entry; | |
1537 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
1538 | int num_entries = dev->caps.num_ports; | |
1539 | int i, j; | |
1540 | ||
1541 | for (i = 0; i < num_entries; i++) { | |
1542 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
1543 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1544 | &priv->steer[i].promisc_qps[j], | |
1545 | list) { | |
1546 | list_del(&pqp->list); | |
1547 | kfree(pqp); | |
1548 | } | |
1549 | list_for_each_entry_safe(entry, tmp_entry, | |
1550 | &priv->steer[i].steer_entries[j], | |
1551 | list) { | |
1552 | list_del(&entry->list); | |
1553 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1554 | &entry->duplicates, | |
1555 | list) { | |
1556 | list_del(&pqp->list); | |
1557 | kfree(pqp); | |
1558 | } | |
1559 | kfree(entry); | |
1560 | } | |
1561 | } | |
1562 | } | |
1563 | kfree(priv->steer); | |
1564 | } | |
1565 | ||
ab9c17a0 JM |
1566 | static int extended_func_num(struct pci_dev *pdev) |
1567 | { | |
1568 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
1569 | } | |
1570 | ||
1571 | #define MLX4_OWNER_BASE 0x8069c | |
1572 | #define MLX4_OWNER_SIZE 4 | |
1573 | ||
1574 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
1575 | { | |
1576 | void __iomem *owner; | |
1577 | u32 ret; | |
1578 | ||
1579 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, | |
1580 | MLX4_OWNER_SIZE); | |
1581 | if (!owner) { | |
1582 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
1583 | return -ENOMEM; | |
1584 | } | |
1585 | ||
1586 | ret = readl(owner); | |
1587 | iounmap(owner); | |
1588 | return (int) !!ret; | |
1589 | } | |
1590 | ||
1591 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
1592 | { | |
1593 | void __iomem *owner; | |
1594 | ||
1595 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, | |
1596 | MLX4_OWNER_SIZE); | |
1597 | if (!owner) { | |
1598 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
1599 | return; | |
1600 | } | |
1601 | writel(0, owner); | |
1602 | msleep(1000); | |
1603 | iounmap(owner); | |
1604 | } | |
1605 | ||
3d73c288 | 1606 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
225c7b1f | 1607 | { |
225c7b1f RD |
1608 | struct mlx4_priv *priv; |
1609 | struct mlx4_dev *dev; | |
1610 | int err; | |
2a2336f8 | 1611 | int port; |
225c7b1f | 1612 | |
0a645e80 | 1613 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
225c7b1f RD |
1614 | |
1615 | err = pci_enable_device(pdev); | |
1616 | if (err) { | |
1617 | dev_err(&pdev->dev, "Cannot enable PCI device, " | |
1618 | "aborting.\n"); | |
1619 | return err; | |
1620 | } | |
ab9c17a0 JM |
1621 | if (num_vfs > MLX4_MAX_NUM_VF) { |
1622 | printk(KERN_ERR "There are more VF's (%d) than allowed(%d)\n", | |
1623 | num_vfs, MLX4_MAX_NUM_VF); | |
1624 | return -EINVAL; | |
1625 | } | |
225c7b1f | 1626 | /* |
ab9c17a0 | 1627 | * Check for BARs. |
225c7b1f | 1628 | */ |
ab9c17a0 JM |
1629 | if (((id == NULL) || !(id->driver_data & MLX4_VF)) && |
1630 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1631 | dev_err(&pdev->dev, "Missing DCS, aborting." | |
1632 | "(id == 0X%p, id->driver_data: 0x%lx," | |
1633 | " pci_resource_flags(pdev, 0):0x%lx)\n", id, | |
1634 | id ? id->driver_data : 0, pci_resource_flags(pdev, 0)); | |
225c7b1f RD |
1635 | err = -ENODEV; |
1636 | goto err_disable_pdev; | |
1637 | } | |
1638 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
1639 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); | |
1640 | err = -ENODEV; | |
1641 | goto err_disable_pdev; | |
1642 | } | |
1643 | ||
a01df0fe | 1644 | err = pci_request_regions(pdev, DRV_NAME); |
225c7b1f | 1645 | if (err) { |
a01df0fe | 1646 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
225c7b1f RD |
1647 | goto err_disable_pdev; |
1648 | } | |
1649 | ||
225c7b1f RD |
1650 | pci_set_master(pdev); |
1651 | ||
6a35528a | 1652 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1653 | if (err) { |
1654 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); | |
284901a9 | 1655 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1656 | if (err) { |
1657 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); | |
a01df0fe | 1658 | goto err_release_regions; |
225c7b1f RD |
1659 | } |
1660 | } | |
6a35528a | 1661 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1662 | if (err) { |
1663 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " | |
1664 | "consistent PCI DMA mask.\n"); | |
284901a9 | 1665 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1666 | if (err) { |
1667 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " | |
1668 | "aborting.\n"); | |
a01df0fe | 1669 | goto err_release_regions; |
225c7b1f RD |
1670 | } |
1671 | } | |
1672 | ||
7f9e5c48 DD |
1673 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ |
1674 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
1675 | ||
225c7b1f RD |
1676 | priv = kzalloc(sizeof *priv, GFP_KERNEL); |
1677 | if (!priv) { | |
1678 | dev_err(&pdev->dev, "Device struct alloc failed, " | |
1679 | "aborting.\n"); | |
1680 | err = -ENOMEM; | |
a01df0fe | 1681 | goto err_release_regions; |
225c7b1f RD |
1682 | } |
1683 | ||
1684 | dev = &priv->dev; | |
1685 | dev->pdev = pdev; | |
b581401e RD |
1686 | INIT_LIST_HEAD(&priv->ctx_list); |
1687 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 1688 | |
7ff93f8b YP |
1689 | mutex_init(&priv->port_mutex); |
1690 | ||
6296883c YP |
1691 | INIT_LIST_HEAD(&priv->pgdir_list); |
1692 | mutex_init(&priv->pgdir_mutex); | |
1693 | ||
c1b43dca EC |
1694 | INIT_LIST_HEAD(&priv->bf_list); |
1695 | mutex_init(&priv->bf_mutex); | |
1696 | ||
aca7a3ac | 1697 | dev->rev_id = pdev->revision; |
ab9c17a0 JM |
1698 | /* Detect if this device is a virtual function */ |
1699 | if (id && id->driver_data & MLX4_VF) { | |
1700 | /* When acting as pf, we normally skip vfs unless explicitly | |
1701 | * requested to probe them. */ | |
1702 | if (num_vfs && extended_func_num(pdev) > probe_vf) { | |
1703 | mlx4_warn(dev, "Skipping virtual function:%d\n", | |
1704 | extended_func_num(pdev)); | |
1705 | err = -ENODEV; | |
1706 | goto err_free_dev; | |
1707 | } | |
1708 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); | |
1709 | dev->flags |= MLX4_FLAG_SLAVE; | |
1710 | } else { | |
1711 | /* We reset the device and enable SRIOV only for physical | |
1712 | * devices. Try to claim ownership on the device; | |
1713 | * if already taken, skip -- do not allow multiple PFs */ | |
1714 | err = mlx4_get_ownership(dev); | |
1715 | if (err) { | |
1716 | if (err < 0) | |
1717 | goto err_free_dev; | |
1718 | else { | |
1719 | mlx4_warn(dev, "Multiple PFs not yet supported." | |
1720 | " Skipping PF.\n"); | |
1721 | err = -EINVAL; | |
1722 | goto err_free_dev; | |
1723 | } | |
1724 | } | |
aca7a3ac | 1725 | |
ab9c17a0 JM |
1726 | if (num_vfs) { |
1727 | mlx4_warn(dev, "Enabling sriov with:%d vfs\n", num_vfs); | |
1728 | err = pci_enable_sriov(pdev, num_vfs); | |
1729 | if (err) { | |
1730 | mlx4_err(dev, "Failed to enable sriov," | |
1731 | "continuing without sriov enabled" | |
1732 | " (err = %d).\n", err); | |
1733 | num_vfs = 0; | |
1734 | err = 0; | |
1735 | } else { | |
1736 | mlx4_warn(dev, "Running in master mode\n"); | |
1737 | dev->flags |= MLX4_FLAG_SRIOV | | |
1738 | MLX4_FLAG_MASTER; | |
1739 | dev->num_vfs = num_vfs; | |
1740 | } | |
1741 | } | |
1742 | ||
1743 | /* | |
1744 | * Now reset the HCA before we touch the PCI capabilities or | |
1745 | * attempt a firmware command, since a boot ROM may have left | |
1746 | * the HCA in an undefined state. | |
1747 | */ | |
1748 | err = mlx4_reset(dev); | |
1749 | if (err) { | |
1750 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
1751 | goto err_rel_own; | |
1752 | } | |
225c7b1f RD |
1753 | } |
1754 | ||
ab9c17a0 | 1755 | slave_start: |
225c7b1f RD |
1756 | if (mlx4_cmd_init(dev)) { |
1757 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); | |
ab9c17a0 JM |
1758 | goto err_sriov; |
1759 | } | |
1760 | ||
1761 | /* In slave functions, the communication channel must be initialized | |
1762 | * before posting commands. Also, init num_slaves before calling | |
1763 | * mlx4_init_hca */ | |
1764 | if (mlx4_is_mfunc(dev)) { | |
1765 | if (mlx4_is_master(dev)) | |
1766 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; | |
1767 | else { | |
1768 | dev->num_slaves = 0; | |
1769 | if (mlx4_multi_func_init(dev)) { | |
1770 | mlx4_err(dev, "Failed to init slave mfunc" | |
1771 | " interface, aborting.\n"); | |
1772 | goto err_cmd; | |
1773 | } | |
1774 | } | |
225c7b1f RD |
1775 | } |
1776 | ||
1777 | err = mlx4_init_hca(dev); | |
ab9c17a0 JM |
1778 | if (err) { |
1779 | if (err == -EACCES) { | |
1780 | /* Not primary Physical function | |
1781 | * Running in slave mode */ | |
1782 | mlx4_cmd_cleanup(dev); | |
1783 | dev->flags |= MLX4_FLAG_SLAVE; | |
1784 | dev->flags &= ~MLX4_FLAG_MASTER; | |
1785 | goto slave_start; | |
1786 | } else | |
1787 | goto err_mfunc; | |
1788 | } | |
1789 | ||
1790 | /* In master functions, the communication channel must be initialized | |
1791 | * after obtaining its address from fw */ | |
1792 | if (mlx4_is_master(dev)) { | |
1793 | if (mlx4_multi_func_init(dev)) { | |
1794 | mlx4_err(dev, "Failed to init master mfunc" | |
1795 | "interface, aborting.\n"); | |
1796 | goto err_close; | |
1797 | } | |
1798 | } | |
225c7b1f | 1799 | |
b8dd786f YP |
1800 | err = mlx4_alloc_eq_table(dev); |
1801 | if (err) | |
ab9c17a0 | 1802 | goto err_master_mfunc; |
b8dd786f | 1803 | |
0b7ca5a9 YP |
1804 | priv->msix_ctl.pool_bm = 0; |
1805 | spin_lock_init(&priv->msix_ctl.pool_lock); | |
1806 | ||
08fb1055 | 1807 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
1808 | if ((mlx4_is_mfunc(dev)) && |
1809 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
1810 | mlx4_err(dev, "INTx is not supported in multi-function mode." | |
1811 | " aborting.\n"); | |
b12d93d6 | 1812 | goto err_free_eq; |
ab9c17a0 JM |
1813 | } |
1814 | ||
1815 | if (!mlx4_is_slave(dev)) { | |
1816 | err = mlx4_init_steering(dev); | |
1817 | if (err) | |
1818 | goto err_free_eq; | |
1819 | } | |
b12d93d6 | 1820 | |
225c7b1f | 1821 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
1822 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
1823 | !mlx4_is_mfunc(dev)) { | |
08fb1055 MT |
1824 | dev->flags &= ~MLX4_FLAG_MSI_X; |
1825 | pci_disable_msix(pdev); | |
1826 | err = mlx4_setup_hca(dev); | |
1827 | } | |
1828 | ||
225c7b1f | 1829 | if (err) |
b12d93d6 | 1830 | goto err_steer; |
225c7b1f | 1831 | |
7ff93f8b YP |
1832 | for (port = 1; port <= dev->caps.num_ports; port++) { |
1833 | err = mlx4_init_port_info(dev, port); | |
1834 | if (err) | |
1835 | goto err_port; | |
1836 | } | |
2a2336f8 | 1837 | |
225c7b1f RD |
1838 | err = mlx4_register_device(dev); |
1839 | if (err) | |
7ff93f8b | 1840 | goto err_port; |
225c7b1f | 1841 | |
27bf91d6 YP |
1842 | mlx4_sense_init(dev); |
1843 | mlx4_start_sense(dev); | |
1844 | ||
225c7b1f RD |
1845 | pci_set_drvdata(pdev, dev); |
1846 | ||
1847 | return 0; | |
1848 | ||
7ff93f8b | 1849 | err_port: |
b4f77264 | 1850 | for (--port; port >= 1; --port) |
7ff93f8b YP |
1851 | mlx4_cleanup_port_info(&priv->port[port]); |
1852 | ||
f2a3f6a3 | 1853 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
1854 | mlx4_cleanup_mcg_table(dev); |
1855 | mlx4_cleanup_qp_table(dev); | |
1856 | mlx4_cleanup_srq_table(dev); | |
1857 | mlx4_cleanup_cq_table(dev); | |
1858 | mlx4_cmd_use_polling(dev); | |
1859 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 1860 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 1861 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
1862 | mlx4_cleanup_pd_table(dev); |
1863 | mlx4_cleanup_uar_table(dev); | |
1864 | ||
b12d93d6 | 1865 | err_steer: |
ab9c17a0 JM |
1866 | if (!mlx4_is_slave(dev)) |
1867 | mlx4_clear_steering(dev); | |
b12d93d6 | 1868 | |
b8dd786f YP |
1869 | err_free_eq: |
1870 | mlx4_free_eq_table(dev); | |
1871 | ||
ab9c17a0 JM |
1872 | err_master_mfunc: |
1873 | if (mlx4_is_master(dev)) | |
1874 | mlx4_multi_func_cleanup(dev); | |
1875 | ||
225c7b1f | 1876 | err_close: |
08fb1055 MT |
1877 | if (dev->flags & MLX4_FLAG_MSI_X) |
1878 | pci_disable_msix(pdev); | |
1879 | ||
225c7b1f RD |
1880 | mlx4_close_hca(dev); |
1881 | ||
ab9c17a0 JM |
1882 | err_mfunc: |
1883 | if (mlx4_is_slave(dev)) | |
1884 | mlx4_multi_func_cleanup(dev); | |
1885 | ||
225c7b1f RD |
1886 | err_cmd: |
1887 | mlx4_cmd_cleanup(dev); | |
1888 | ||
ab9c17a0 JM |
1889 | err_sriov: |
1890 | if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) | |
1891 | pci_disable_sriov(pdev); | |
1892 | ||
1893 | err_rel_own: | |
1894 | if (!mlx4_is_slave(dev)) | |
1895 | mlx4_free_ownership(dev); | |
1896 | ||
225c7b1f | 1897 | err_free_dev: |
225c7b1f RD |
1898 | kfree(priv); |
1899 | ||
a01df0fe RD |
1900 | err_release_regions: |
1901 | pci_release_regions(pdev); | |
225c7b1f RD |
1902 | |
1903 | err_disable_pdev: | |
1904 | pci_disable_device(pdev); | |
1905 | pci_set_drvdata(pdev, NULL); | |
1906 | return err; | |
1907 | } | |
1908 | ||
3d73c288 RD |
1909 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
1910 | const struct pci_device_id *id) | |
1911 | { | |
0a645e80 | 1912 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 1913 | |
b027cacd | 1914 | return __mlx4_init_one(pdev, id); |
3d73c288 RD |
1915 | } |
1916 | ||
1917 | static void mlx4_remove_one(struct pci_dev *pdev) | |
225c7b1f RD |
1918 | { |
1919 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
1920 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1921 | int p; | |
1922 | ||
1923 | if (dev) { | |
ab9c17a0 JM |
1924 | /* in SRIOV it is not allowed to unload the pf's |
1925 | * driver while there are alive vf's */ | |
1926 | if (mlx4_is_master(dev)) { | |
1927 | if (mlx4_how_many_lives_vf(dev)) | |
1928 | printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n"); | |
1929 | } | |
27bf91d6 | 1930 | mlx4_stop_sense(dev); |
225c7b1f RD |
1931 | mlx4_unregister_device(dev); |
1932 | ||
7ff93f8b YP |
1933 | for (p = 1; p <= dev->caps.num_ports; p++) { |
1934 | mlx4_cleanup_port_info(&priv->port[p]); | |
225c7b1f | 1935 | mlx4_CLOSE_PORT(dev, p); |
7ff93f8b | 1936 | } |
225c7b1f | 1937 | |
f2a3f6a3 | 1938 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
1939 | mlx4_cleanup_mcg_table(dev); |
1940 | mlx4_cleanup_qp_table(dev); | |
1941 | mlx4_cleanup_srq_table(dev); | |
1942 | mlx4_cleanup_cq_table(dev); | |
1943 | mlx4_cmd_use_polling(dev); | |
1944 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 1945 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 1946 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
1947 | mlx4_cleanup_pd_table(dev); |
1948 | ||
ab9c17a0 JM |
1949 | if (mlx4_is_master(dev)) |
1950 | mlx4_free_resource_tracker(dev); | |
1951 | ||
225c7b1f RD |
1952 | iounmap(priv->kar); |
1953 | mlx4_uar_free(dev, &priv->driver_uar); | |
1954 | mlx4_cleanup_uar_table(dev); | |
ab9c17a0 JM |
1955 | if (!mlx4_is_slave(dev)) |
1956 | mlx4_clear_steering(dev); | |
b8dd786f | 1957 | mlx4_free_eq_table(dev); |
ab9c17a0 JM |
1958 | if (mlx4_is_master(dev)) |
1959 | mlx4_multi_func_cleanup(dev); | |
225c7b1f | 1960 | mlx4_close_hca(dev); |
ab9c17a0 JM |
1961 | if (mlx4_is_slave(dev)) |
1962 | mlx4_multi_func_cleanup(dev); | |
225c7b1f RD |
1963 | mlx4_cmd_cleanup(dev); |
1964 | ||
1965 | if (dev->flags & MLX4_FLAG_MSI_X) | |
1966 | pci_disable_msix(pdev); | |
ab9c17a0 JM |
1967 | if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) { |
1968 | mlx4_warn(dev, "Disabling sriov\n"); | |
1969 | pci_disable_sriov(pdev); | |
1970 | } | |
225c7b1f | 1971 | |
ab9c17a0 JM |
1972 | if (!mlx4_is_slave(dev)) |
1973 | mlx4_free_ownership(dev); | |
225c7b1f | 1974 | kfree(priv); |
a01df0fe | 1975 | pci_release_regions(pdev); |
225c7b1f RD |
1976 | pci_disable_device(pdev); |
1977 | pci_set_drvdata(pdev, NULL); | |
1978 | } | |
1979 | } | |
1980 | ||
ee49bd93 JM |
1981 | int mlx4_restart_one(struct pci_dev *pdev) |
1982 | { | |
1983 | mlx4_remove_one(pdev); | |
3d73c288 | 1984 | return __mlx4_init_one(pdev, NULL); |
ee49bd93 JM |
1985 | } |
1986 | ||
a3aa1884 | 1987 | static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { |
ab9c17a0 JM |
1988 | /* MT25408 "Hermon" SDR */ |
1989 | { PCI_VDEVICE(MELLANOX, 0x6340), 0 }, | |
1990 | /* MT25408 "Hermon" DDR */ | |
1991 | { PCI_VDEVICE(MELLANOX, 0x634a), 0 }, | |
1992 | /* MT25408 "Hermon" QDR */ | |
1993 | { PCI_VDEVICE(MELLANOX, 0x6354), 0 }, | |
1994 | /* MT25408 "Hermon" DDR PCIe gen2 */ | |
1995 | { PCI_VDEVICE(MELLANOX, 0x6732), 0 }, | |
1996 | /* MT25408 "Hermon" QDR PCIe gen2 */ | |
1997 | { PCI_VDEVICE(MELLANOX, 0x673c), 0 }, | |
1998 | /* MT25408 "Hermon" EN 10GigE */ | |
1999 | { PCI_VDEVICE(MELLANOX, 0x6368), 0 }, | |
2000 | /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ | |
2001 | { PCI_VDEVICE(MELLANOX, 0x6750), 0 }, | |
2002 | /* MT25458 ConnectX EN 10GBASE-T 10GigE */ | |
2003 | { PCI_VDEVICE(MELLANOX, 0x6372), 0 }, | |
2004 | /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ | |
2005 | { PCI_VDEVICE(MELLANOX, 0x675a), 0 }, | |
2006 | /* MT26468 ConnectX EN 10GigE PCIe gen2*/ | |
2007 | { PCI_VDEVICE(MELLANOX, 0x6764), 0 }, | |
2008 | /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ | |
2009 | { PCI_VDEVICE(MELLANOX, 0x6746), 0 }, | |
2010 | /* MT26478 ConnectX2 40GigE PCIe gen2 */ | |
2011 | { PCI_VDEVICE(MELLANOX, 0x676e), 0 }, | |
2012 | /* MT25400 Family [ConnectX-2 Virtual Function] */ | |
2013 | { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_VF }, | |
2014 | /* MT27500 Family [ConnectX-3] */ | |
2015 | { PCI_VDEVICE(MELLANOX, 0x1003), 0 }, | |
2016 | /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
2017 | { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_VF }, | |
2018 | { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */ | |
2019 | { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */ | |
2020 | { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */ | |
2021 | { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */ | |
2022 | { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */ | |
2023 | { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */ | |
2024 | { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */ | |
2025 | { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */ | |
2026 | { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */ | |
2027 | { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */ | |
2028 | { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */ | |
2029 | { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */ | |
225c7b1f RD |
2030 | { 0, } |
2031 | }; | |
2032 | ||
2033 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
2034 | ||
2035 | static struct pci_driver mlx4_driver = { | |
2036 | .name = DRV_NAME, | |
2037 | .id_table = mlx4_pci_table, | |
2038 | .probe = mlx4_init_one, | |
2039 | .remove = __devexit_p(mlx4_remove_one) | |
2040 | }; | |
2041 | ||
7ff93f8b YP |
2042 | static int __init mlx4_verify_params(void) |
2043 | { | |
2044 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
0a645e80 | 2045 | pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
2046 | return -1; |
2047 | } | |
2048 | ||
cb29688a OG |
2049 | if (log_num_vlan != 0) |
2050 | pr_warning("mlx4_core: log_num_vlan - obsolete module param, using %d\n", | |
2051 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 2052 | |
0498628f | 2053 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
0a645e80 | 2054 | pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); |
ab6bf42e EC |
2055 | return -1; |
2056 | } | |
2057 | ||
ab9c17a0 JM |
2058 | /* Check if module param for ports type has legal combination */ |
2059 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
2060 | printk(KERN_WARNING "Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); | |
2061 | port_type_array[0] = true; | |
2062 | } | |
2063 | ||
7ff93f8b YP |
2064 | return 0; |
2065 | } | |
2066 | ||
225c7b1f RD |
2067 | static int __init mlx4_init(void) |
2068 | { | |
2069 | int ret; | |
2070 | ||
7ff93f8b YP |
2071 | if (mlx4_verify_params()) |
2072 | return -EINVAL; | |
2073 | ||
27bf91d6 YP |
2074 | mlx4_catas_init(); |
2075 | ||
2076 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
2077 | if (!mlx4_wq) | |
2078 | return -ENOMEM; | |
ee49bd93 | 2079 | |
225c7b1f RD |
2080 | ret = pci_register_driver(&mlx4_driver); |
2081 | return ret < 0 ? ret : 0; | |
2082 | } | |
2083 | ||
2084 | static void __exit mlx4_cleanup(void) | |
2085 | { | |
2086 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 2087 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
2088 | } |
2089 | ||
2090 | module_init(mlx4_init); | |
2091 | module_exit(mlx4_cleanup); |