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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> |
90b1ebe7 | 44 | #include <linux/netdevice.h> |
225c7b1f RD |
45 | |
46 | #include <linux/mlx4/device.h> | |
47 | #include <linux/mlx4/doorbell.h> | |
48 | ||
49 | #include "mlx4.h" | |
50 | #include "fw.h" | |
51 | #include "icm.h" | |
52 | ||
53 | MODULE_AUTHOR("Roland Dreier"); | |
54 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
55 | MODULE_LICENSE("Dual BSD/GPL"); | |
56 | MODULE_VERSION(DRV_VERSION); | |
57 | ||
27bf91d6 YP |
58 | struct workqueue_struct *mlx4_wq; |
59 | ||
225c7b1f RD |
60 | #ifdef CONFIG_MLX4_DEBUG |
61 | ||
62 | int mlx4_debug_level = 0; | |
63 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
64 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
65 | ||
66 | #endif /* CONFIG_MLX4_DEBUG */ | |
67 | ||
68 | #ifdef CONFIG_PCI_MSI | |
69 | ||
08fb1055 | 70 | static int msi_x = 1; |
225c7b1f RD |
71 | module_param(msi_x, int, 0444); |
72 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
73 | ||
74 | #else /* CONFIG_PCI_MSI */ | |
75 | ||
76 | #define msi_x (0) | |
77 | ||
78 | #endif /* CONFIG_PCI_MSI */ | |
79 | ||
ab9c17a0 JM |
80 | static int num_vfs; |
81 | module_param(num_vfs, int, 0444); | |
82 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0"); | |
83 | ||
84 | static int probe_vf; | |
85 | module_param(probe_vf, int, 0644); | |
86 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)"); | |
87 | ||
0ec2c0f8 EE |
88 | int mlx4_log_num_mgm_entry_size = 10; |
89 | module_param_named(log_num_mgm_entry_size, | |
90 | mlx4_log_num_mgm_entry_size, int, 0444); | |
91 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
92 | " of qp per mcg, for example:" | |
93 | " 10 gives 248.range: 9<=" | |
0ff1fb65 HHZ |
94 | " log_num_mgm_entry_size <= 12." |
95 | " Not in use with device managed" | |
96 | " flow steering"); | |
0ec2c0f8 | 97 | |
ab9c17a0 JM |
98 | #define MLX4_VF (1 << 0) |
99 | ||
100 | #define HCA_GLOBAL_CAP_MASK 0 | |
101 | #define PF_CONTEXT_BEHAVIOUR_MASK 0 | |
102 | ||
f33afc26 | 103 | static char mlx4_version[] __devinitdata = |
225c7b1f RD |
104 | DRV_NAME ": Mellanox ConnectX core driver v" |
105 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
106 | ||
107 | static struct mlx4_profile default_profile = { | |
ab9c17a0 | 108 | .num_qp = 1 << 18, |
225c7b1f | 109 | .num_srq = 1 << 16, |
c9f2ba5e | 110 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
111 | .num_cq = 1 << 16, |
112 | .num_mcg = 1 << 13, | |
ab9c17a0 | 113 | .num_mpt = 1 << 19, |
9fd7a1e1 | 114 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
225c7b1f RD |
115 | }; |
116 | ||
ab9c17a0 | 117 | static int log_num_mac = 7; |
93fc9e1b YP |
118 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
119 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
120 | ||
121 | static int log_num_vlan; | |
122 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
123 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
124 | /* Log2 max number of VLANs per ETH port (0-7) */ |
125 | #define MLX4_LOG_NUM_VLANS 7 | |
93fc9e1b | 126 | |
eb939922 | 127 | static bool use_prio; |
93fc9e1b YP |
128 | module_param_named(use_prio, use_prio, bool, 0444); |
129 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " | |
130 | "(0/1, default 0)"); | |
131 | ||
2b8fb286 | 132 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
ab6bf42e | 133 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
0498628f | 134 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 135 | |
8d0fc7b6 | 136 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
ab9c17a0 JM |
137 | static int arr_argc = 2; |
138 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
8d0fc7b6 YP |
139 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
140 | "1 for IB, 2 for Ethernet"); | |
ab9c17a0 JM |
141 | |
142 | struct mlx4_port_config { | |
143 | struct list_head list; | |
144 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
145 | struct pci_dev *pdev; | |
146 | }; | |
147 | ||
27bf91d6 YP |
148 | int mlx4_check_port_params(struct mlx4_dev *dev, |
149 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
150 | { |
151 | int i; | |
152 | ||
153 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
27bf91d6 YP |
154 | if (port_type[i] != port_type[i + 1]) { |
155 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { | |
156 | mlx4_err(dev, "Only same port types supported " | |
157 | "on this HCA, aborting.\n"); | |
158 | return -EINVAL; | |
159 | } | |
7ff93f8b YP |
160 | } |
161 | } | |
7ff93f8b YP |
162 | |
163 | for (i = 0; i < dev->caps.num_ports; i++) { | |
164 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
165 | mlx4_err(dev, "Requested port type for port %d is not " | |
166 | "supported on this HCA\n", i + 1); | |
167 | return -EINVAL; | |
168 | } | |
169 | } | |
170 | return 0; | |
171 | } | |
172 | ||
173 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
174 | { | |
175 | int i; | |
176 | ||
7ff93f8b | 177 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 178 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 179 | } |
f2a3f6a3 | 180 | |
3d73c288 | 181 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
182 | { |
183 | int err; | |
5ae2a7a8 | 184 | int i; |
225c7b1f RD |
185 | |
186 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
187 | if (err) { | |
188 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
189 | return err; | |
190 | } | |
191 | ||
192 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
193 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
194 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
195 | dev_cap->min_page_sz, PAGE_SIZE); | |
196 | return -ENODEV; | |
197 | } | |
198 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
199 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
200 | "aborting.\n", | |
201 | dev_cap->num_ports, MLX4_MAX_PORTS); | |
202 | return -ENODEV; | |
203 | } | |
204 | ||
205 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
206 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " | |
207 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
208 | dev_cap->uar_size, | |
209 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
210 | return -ENODEV; | |
211 | } | |
212 | ||
213 | dev->caps.num_ports = dev_cap->num_ports; | |
3fc929e2 | 214 | dev->phys_caps.num_phys_eqs = MLX4_MAX_EQ_NUM; |
5ae2a7a8 RD |
215 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
216 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
b79acb49 | 217 | dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i]; |
6634961c JM |
218 | dev->phys_caps.gid_phys_table_len[i] = dev_cap->max_gids[i]; |
219 | dev->phys_caps.pkey_phys_table_len[i] = dev_cap->max_pkeys[i]; | |
220 | /* set gid and pkey table operating lengths by default | |
221 | * to non-sriov values */ | |
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]; |
8d0fc7b6 YP |
228 | dev->caps.suggested_type[i] = dev_cap->suggested_type[i]; |
229 | dev->caps.default_sense[i] = dev_cap->default_sense[i]; | |
7699517d YP |
230 | dev->caps.trans_type[i] = dev_cap->trans_type[i]; |
231 | dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i]; | |
232 | dev->caps.wavelength[i] = dev_cap->wavelength[i]; | |
233 | dev->caps.trans_code[i] = dev_cap->trans_code[i]; | |
5ae2a7a8 RD |
234 | } |
235 | ||
ab9c17a0 | 236 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 237 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
238 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
239 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
240 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
241 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
242 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
243 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
244 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
245 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
246 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
247 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
248 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
249 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
225c7b1f RD |
250 | /* |
251 | * Subtract 1 from the limit because we need to allocate a | |
252 | * spare CQE so the HCA HW can tell the difference between an | |
253 | * empty CQ and a full CQ. | |
254 | */ | |
255 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
256 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
257 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 258 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 259 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 JM |
260 | |
261 | /* The first 128 UARs are used for EQ doorbells */ | |
262 | dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); | |
225c7b1f | 263 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
264 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
265 | dev_cap->reserved_xrcds : 0; | |
266 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
267 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
268 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
269 | ||
149983af | 270 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
271 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
272 | dev->caps.flags = dev_cap->flags; | |
b3416f44 | 273 | dev->caps.flags2 = dev_cap->flags2; |
95d04f07 RD |
274 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
275 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 276 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 277 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
b3416f44 | 278 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
225c7b1f | 279 | |
0ff1fb65 HHZ |
280 | if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { |
281 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; | |
282 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
283 | dev->caps.fs_log_max_ucast_qp_range_size = | |
284 | dev_cap->fs_log_max_ucast_qp_range_size; | |
c96d97f4 | 285 | } else { |
0ff1fb65 HHZ |
286 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
287 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) { | |
288 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; | |
289 | } else { | |
290 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; | |
c96d97f4 | 291 | |
0ff1fb65 HHZ |
292 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || |
293 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
294 | mlx4_warn(dev, "Must have UC_STEER and MC_STEER flags " | |
295 | "set to use B0 steering. Falling back to A0 steering mode.\n"); | |
296 | } | |
297 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); | |
c96d97f4 HHZ |
298 | } |
299 | mlx4_dbg(dev, "Steering mode is: %s\n", | |
300 | mlx4_steering_mode_str(dev->caps.steering_mode)); | |
c96d97f4 | 301 | |
58a60168 YP |
302 | /* Sense port always allowed on supported devices for ConnectX1 and 2 */ |
303 | if (dev->pdev->device != 0x1003) | |
304 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; | |
305 | ||
93fc9e1b | 306 | dev->caps.log_num_macs = log_num_mac; |
cb29688a | 307 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; |
93fc9e1b YP |
308 | dev->caps.log_num_prios = use_prio ? 3 : 0; |
309 | ||
310 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
311 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
312 | if (dev->caps.supported_type[i]) { | |
313 | /* if only ETH is supported - assign ETH */ | |
314 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
315 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
105c320f | 316 | /* if only IB is supported, assign IB */ |
ab9c17a0 | 317 | else if (dev->caps.supported_type[i] == |
105c320f JM |
318 | MLX4_PORT_TYPE_IB) |
319 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 320 | else { |
105c320f JM |
321 | /* if IB and ETH are supported, we set the port |
322 | * type according to user selection of port type; | |
323 | * if user selected none, take the FW hint */ | |
324 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) | |
8d0fc7b6 YP |
325 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
326 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 327 | else |
105c320f | 328 | dev->caps.port_type[i] = port_type_array[i - 1]; |
ab9c17a0 JM |
329 | } |
330 | } | |
8d0fc7b6 YP |
331 | /* |
332 | * Link sensing is allowed on the port if 3 conditions are true: | |
333 | * 1. Both protocols are supported on the port. | |
334 | * 2. Different types are supported on the port | |
335 | * 3. FW declared that it supports link sensing | |
336 | */ | |
27bf91d6 | 337 | mlx4_priv(dev)->sense.sense_allowed[i] = |
58a60168 | 338 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
8d0fc7b6 | 339 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
58a60168 | 340 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
7ff93f8b | 341 | |
8d0fc7b6 YP |
342 | /* |
343 | * If "default_sense" bit is set, we move the port to "AUTO" mode | |
344 | * and perform sense_port FW command to try and set the correct | |
345 | * port type from beginning | |
346 | */ | |
46c46747 | 347 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
8d0fc7b6 YP |
348 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
349 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; | |
350 | mlx4_SENSE_PORT(dev, i, &sensed_port); | |
351 | if (sensed_port != MLX4_PORT_TYPE_NONE) | |
352 | dev->caps.port_type[i] = sensed_port; | |
353 | } else { | |
354 | dev->caps.possible_type[i] = dev->caps.port_type[i]; | |
355 | } | |
356 | ||
93fc9e1b YP |
357 | if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) { |
358 | dev->caps.log_num_macs = dev_cap->log_max_macs[i]; | |
359 | mlx4_warn(dev, "Requested number of MACs is too much " | |
360 | "for port %d, reducing to %d.\n", | |
361 | i, 1 << dev->caps.log_num_macs); | |
362 | } | |
363 | if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) { | |
364 | dev->caps.log_num_vlans = dev_cap->log_max_vlans[i]; | |
365 | mlx4_warn(dev, "Requested number of VLANs is too much " | |
366 | "for port %d, reducing to %d.\n", | |
367 | i, 1 << dev->caps.log_num_vlans); | |
368 | } | |
369 | } | |
370 | ||
f2a3f6a3 OG |
371 | dev->caps.max_counters = 1 << ilog2(dev_cap->max_counters); |
372 | ||
93fc9e1b YP |
373 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
374 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
375 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
376 | (1 << dev->caps.log_num_macs) * | |
377 | (1 << dev->caps.log_num_vlans) * | |
378 | (1 << dev->caps.log_num_prios) * | |
379 | dev->caps.num_ports; | |
380 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
381 | ||
382 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
383 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
384 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
385 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
386 | ||
e2c76824 | 387 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
225c7b1f RD |
388 | return 0; |
389 | } | |
ab9c17a0 JM |
390 | /*The function checks if there are live vf, return the num of them*/ |
391 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
392 | { | |
393 | struct mlx4_priv *priv = mlx4_priv(dev); | |
394 | struct mlx4_slave_state *s_state; | |
395 | int i; | |
396 | int ret = 0; | |
397 | ||
398 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
399 | s_state = &priv->mfunc.master.slave_state[i]; | |
400 | if (s_state->active && s_state->last_cmd != | |
401 | MLX4_COMM_CMD_RESET) { | |
402 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
403 | __func__, i); | |
404 | ret++; | |
405 | } | |
406 | } | |
407 | return ret; | |
408 | } | |
409 | ||
396f2feb JM |
410 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
411 | { | |
412 | u32 qk = MLX4_RESERVED_QKEY_BASE; | |
47605df9 JM |
413 | |
414 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || | |
415 | qpn < dev->phys_caps.base_proxy_sqpn) | |
396f2feb JM |
416 | return -EINVAL; |
417 | ||
47605df9 | 418 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
396f2feb | 419 | /* tunnel qp */ |
47605df9 | 420 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
396f2feb | 421 | else |
47605df9 | 422 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
396f2feb JM |
423 | *qkey = qk; |
424 | return 0; | |
425 | } | |
426 | EXPORT_SYMBOL(mlx4_get_parav_qkey); | |
427 | ||
54679e14 JM |
428 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
429 | { | |
430 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
431 | ||
432 | if (!mlx4_is_master(dev)) | |
433 | return; | |
434 | ||
435 | priv->virt2phys_pkey[slave][port - 1][i] = val; | |
436 | } | |
437 | EXPORT_SYMBOL(mlx4_sync_pkey_table); | |
438 | ||
afa8fd1d JM |
439 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
440 | { | |
441 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
442 | ||
443 | if (!mlx4_is_master(dev)) | |
444 | return; | |
445 | ||
446 | priv->slave_node_guids[slave] = guid; | |
447 | } | |
448 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); | |
449 | ||
450 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) | |
451 | { | |
452 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
453 | ||
454 | if (!mlx4_is_master(dev)) | |
455 | return 0; | |
456 | ||
457 | return priv->slave_node_guids[slave]; | |
458 | } | |
459 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); | |
460 | ||
e10903b0 | 461 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
ab9c17a0 JM |
462 | { |
463 | struct mlx4_priv *priv = mlx4_priv(dev); | |
464 | struct mlx4_slave_state *s_slave; | |
465 | ||
466 | if (!mlx4_is_master(dev)) | |
467 | return 0; | |
468 | ||
469 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
470 | return !!s_slave->active; | |
471 | } | |
472 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
473 | ||
474 | static int mlx4_slave_cap(struct mlx4_dev *dev) | |
475 | { | |
476 | int err; | |
477 | u32 page_size; | |
478 | struct mlx4_dev_cap dev_cap; | |
479 | struct mlx4_func_cap func_cap; | |
480 | struct mlx4_init_hca_param hca_param; | |
481 | int i; | |
482 | ||
483 | memset(&hca_param, 0, sizeof(hca_param)); | |
484 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
485 | if (err) { | |
486 | mlx4_err(dev, "QUERY_HCA command failed, aborting.\n"); | |
487 | return err; | |
488 | } | |
489 | ||
490 | /*fail if the hca has an unknown capability */ | |
491 | if ((hca_param.global_caps | HCA_GLOBAL_CAP_MASK) != | |
492 | HCA_GLOBAL_CAP_MASK) { | |
493 | mlx4_err(dev, "Unknown hca global capabilities\n"); | |
494 | return -ENOSYS; | |
495 | } | |
496 | ||
497 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; | |
498 | ||
499 | memset(&dev_cap, 0, sizeof(dev_cap)); | |
b91cb3eb | 500 | dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp; |
ab9c17a0 JM |
501 | err = mlx4_dev_cap(dev, &dev_cap); |
502 | if (err) { | |
503 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
504 | return err; | |
505 | } | |
506 | ||
b91cb3eb JM |
507 | err = mlx4_QUERY_FW(dev); |
508 | if (err) | |
509 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version.\n"); | |
510 | ||
ab9c17a0 JM |
511 | page_size = ~dev->caps.page_size_cap + 1; |
512 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
513 | if (page_size > PAGE_SIZE) { | |
514 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
515 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
516 | page_size, PAGE_SIZE); | |
517 | return -ENODEV; | |
518 | } | |
519 | ||
520 | /* slave gets uar page size from QUERY_HCA fw command */ | |
521 | dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); | |
522 | ||
523 | /* TODO: relax this assumption */ | |
524 | if (dev->caps.uar_page_size != PAGE_SIZE) { | |
525 | mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", | |
526 | dev->caps.uar_page_size, PAGE_SIZE); | |
527 | return -ENODEV; | |
528 | } | |
529 | ||
530 | memset(&func_cap, 0, sizeof(func_cap)); | |
47605df9 | 531 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
ab9c17a0 | 532 | if (err) { |
47605df9 JM |
533 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d).\n", |
534 | err); | |
ab9c17a0 JM |
535 | return err; |
536 | } | |
537 | ||
538 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != | |
539 | PF_CONTEXT_BEHAVIOUR_MASK) { | |
540 | mlx4_err(dev, "Unknown pf context behaviour\n"); | |
541 | return -ENOSYS; | |
542 | } | |
543 | ||
ab9c17a0 JM |
544 | dev->caps.num_ports = func_cap.num_ports; |
545 | dev->caps.num_qps = func_cap.qp_quota; | |
546 | dev->caps.num_srqs = func_cap.srq_quota; | |
547 | dev->caps.num_cqs = func_cap.cq_quota; | |
548 | dev->caps.num_eqs = func_cap.max_eq; | |
549 | dev->caps.reserved_eqs = func_cap.reserved_eq; | |
550 | dev->caps.num_mpts = func_cap.mpt_quota; | |
551 | dev->caps.num_mtts = func_cap.mtt_quota; | |
552 | dev->caps.num_pds = MLX4_NUM_PDS; | |
553 | dev->caps.num_mgms = 0; | |
554 | dev->caps.num_amgms = 0; | |
555 | ||
ab9c17a0 JM |
556 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
557 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
558 | "aborting.\n", dev->caps.num_ports, MLX4_MAX_PORTS); | |
559 | return -ENODEV; | |
560 | } | |
561 | ||
47605df9 JM |
562 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
563 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
564 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
565 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
566 | ||
567 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || | |
568 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) { | |
569 | err = -ENOMEM; | |
570 | goto err_mem; | |
571 | } | |
572 | ||
6634961c | 573 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
47605df9 JM |
574 | err = mlx4_QUERY_FUNC_CAP(dev, (u32) i, &func_cap); |
575 | if (err) { | |
576 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for" | |
577 | " port %d, aborting (%d).\n", i, err); | |
578 | goto err_mem; | |
579 | } | |
580 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; | |
581 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; | |
582 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; | |
583 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; | |
6230bb23 | 584 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
6634961c JM |
585 | if (mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
586 | &dev->caps.gid_table_len[i], | |
587 | &dev->caps.pkey_table_len[i])) | |
47605df9 | 588 | goto err_mem; |
6634961c | 589 | } |
6230bb23 | 590 | |
ab9c17a0 JM |
591 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
592 | dev->caps.reserved_uars) > | |
593 | pci_resource_len(dev->pdev, 2)) { | |
594 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than " | |
595 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
596 | dev->caps.uar_page_size * dev->caps.num_uars, | |
597 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
47605df9 | 598 | goto err_mem; |
ab9c17a0 JM |
599 | } |
600 | ||
ab9c17a0 | 601 | return 0; |
47605df9 JM |
602 | |
603 | err_mem: | |
604 | kfree(dev->caps.qp0_tunnel); | |
605 | kfree(dev->caps.qp0_proxy); | |
606 | kfree(dev->caps.qp1_tunnel); | |
607 | kfree(dev->caps.qp1_proxy); | |
608 | dev->caps.qp0_tunnel = dev->caps.qp0_proxy = | |
609 | dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL; | |
610 | ||
611 | return err; | |
ab9c17a0 | 612 | } |
225c7b1f | 613 | |
7ff93f8b YP |
614 | /* |
615 | * Change the port configuration of the device. | |
616 | * Every user of this function must hold the port mutex. | |
617 | */ | |
27bf91d6 YP |
618 | int mlx4_change_port_types(struct mlx4_dev *dev, |
619 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
620 | { |
621 | int err = 0; | |
622 | int change = 0; | |
623 | int port; | |
624 | ||
625 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
626 | /* Change the port type only if the new type is different |
627 | * from the current, and not set to Auto */ | |
3d8f9308 | 628 | if (port_types[port] != dev->caps.port_type[port + 1]) |
7ff93f8b | 629 | change = 1; |
7ff93f8b YP |
630 | } |
631 | if (change) { | |
632 | mlx4_unregister_device(dev); | |
633 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
634 | mlx4_CLOSE_PORT(dev, port); | |
1e0f03d5 | 635 | dev->caps.port_type[port] = port_types[port - 1]; |
6634961c | 636 | err = mlx4_SET_PORT(dev, port, -1); |
7ff93f8b YP |
637 | if (err) { |
638 | mlx4_err(dev, "Failed to set port %d, " | |
639 | "aborting\n", port); | |
640 | goto out; | |
641 | } | |
642 | } | |
643 | mlx4_set_port_mask(dev); | |
644 | err = mlx4_register_device(dev); | |
645 | } | |
646 | ||
647 | out: | |
648 | return err; | |
649 | } | |
650 | ||
651 | static ssize_t show_port_type(struct device *dev, | |
652 | struct device_attribute *attr, | |
653 | char *buf) | |
654 | { | |
655 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
656 | port_attr); | |
657 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
658 | char type[8]; |
659 | ||
660 | sprintf(type, "%s", | |
661 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
662 | "ib" : "eth"); | |
663 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
664 | sprintf(buf, "auto (%s)\n", type); | |
665 | else | |
666 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 667 | |
27bf91d6 | 668 | return strlen(buf); |
7ff93f8b YP |
669 | } |
670 | ||
671 | static ssize_t set_port_type(struct device *dev, | |
672 | struct device_attribute *attr, | |
673 | const char *buf, size_t count) | |
674 | { | |
675 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
676 | port_attr); | |
677 | struct mlx4_dev *mdev = info->dev; | |
678 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
679 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 680 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
681 | int i; |
682 | int err = 0; | |
683 | ||
684 | if (!strcmp(buf, "ib\n")) | |
685 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
686 | else if (!strcmp(buf, "eth\n")) | |
687 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
688 | else if (!strcmp(buf, "auto\n")) |
689 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
690 | else { |
691 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
692 | return -EINVAL; | |
693 | } | |
694 | ||
27bf91d6 | 695 | mlx4_stop_sense(mdev); |
7ff93f8b | 696 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
697 | /* Possible type is always the one that was delivered */ |
698 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
699 | ||
700 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 701 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
702 | mdev->caps.possible_type[i+1]; |
703 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
704 | types[i] = mdev->caps.port_type[i+1]; | |
705 | } | |
7ff93f8b | 706 | |
58a60168 YP |
707 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
708 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { | |
27bf91d6 YP |
709 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
710 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
711 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
712 | err = -EINVAL; | |
713 | } | |
714 | } | |
715 | } | |
716 | if (err) { | |
717 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. " | |
718 | "Set only 'eth' or 'ib' for both ports " | |
719 | "(should be the same)\n"); | |
720 | goto out; | |
721 | } | |
722 | ||
723 | mlx4_do_sense_ports(mdev, new_types, types); | |
724 | ||
725 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
726 | if (err) |
727 | goto out; | |
728 | ||
27bf91d6 YP |
729 | /* We are about to apply the changes after the configuration |
730 | * was verified, no need to remember the temporary types | |
731 | * any more */ | |
732 | for (i = 0; i < mdev->caps.num_ports; i++) | |
733 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 734 | |
27bf91d6 | 735 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
736 | |
737 | out: | |
27bf91d6 | 738 | mlx4_start_sense(mdev); |
7ff93f8b YP |
739 | mutex_unlock(&priv->port_mutex); |
740 | return err ? err : count; | |
741 | } | |
742 | ||
096335b3 OG |
743 | enum ibta_mtu { |
744 | IB_MTU_256 = 1, | |
745 | IB_MTU_512 = 2, | |
746 | IB_MTU_1024 = 3, | |
747 | IB_MTU_2048 = 4, | |
748 | IB_MTU_4096 = 5 | |
749 | }; | |
750 | ||
751 | static inline int int_to_ibta_mtu(int mtu) | |
752 | { | |
753 | switch (mtu) { | |
754 | case 256: return IB_MTU_256; | |
755 | case 512: return IB_MTU_512; | |
756 | case 1024: return IB_MTU_1024; | |
757 | case 2048: return IB_MTU_2048; | |
758 | case 4096: return IB_MTU_4096; | |
759 | default: return -1; | |
760 | } | |
761 | } | |
762 | ||
763 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) | |
764 | { | |
765 | switch (mtu) { | |
766 | case IB_MTU_256: return 256; | |
767 | case IB_MTU_512: return 512; | |
768 | case IB_MTU_1024: return 1024; | |
769 | case IB_MTU_2048: return 2048; | |
770 | case IB_MTU_4096: return 4096; | |
771 | default: return -1; | |
772 | } | |
773 | } | |
774 | ||
775 | static ssize_t show_port_ib_mtu(struct device *dev, | |
776 | struct device_attribute *attr, | |
777 | char *buf) | |
778 | { | |
779 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
780 | port_mtu_attr); | |
781 | struct mlx4_dev *mdev = info->dev; | |
782 | ||
783 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) | |
784 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
785 | ||
786 | sprintf(buf, "%d\n", | |
787 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); | |
788 | return strlen(buf); | |
789 | } | |
790 | ||
791 | static ssize_t set_port_ib_mtu(struct device *dev, | |
792 | struct device_attribute *attr, | |
793 | const char *buf, size_t count) | |
794 | { | |
795 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
796 | port_mtu_attr); | |
797 | struct mlx4_dev *mdev = info->dev; | |
798 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
799 | int err, port, mtu, ibta_mtu = -1; | |
800 | ||
801 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { | |
802 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
803 | return -EINVAL; | |
804 | } | |
805 | ||
806 | err = sscanf(buf, "%d", &mtu); | |
807 | if (err > 0) | |
808 | ibta_mtu = int_to_ibta_mtu(mtu); | |
809 | ||
810 | if (err <= 0 || ibta_mtu < 0) { | |
811 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); | |
812 | return -EINVAL; | |
813 | } | |
814 | ||
815 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; | |
816 | ||
817 | mlx4_stop_sense(mdev); | |
818 | mutex_lock(&priv->port_mutex); | |
819 | mlx4_unregister_device(mdev); | |
820 | for (port = 1; port <= mdev->caps.num_ports; port++) { | |
821 | mlx4_CLOSE_PORT(mdev, port); | |
6634961c | 822 | err = mlx4_SET_PORT(mdev, port, -1); |
096335b3 OG |
823 | if (err) { |
824 | mlx4_err(mdev, "Failed to set port %d, " | |
825 | "aborting\n", port); | |
826 | goto err_set_port; | |
827 | } | |
828 | } | |
829 | err = mlx4_register_device(mdev); | |
830 | err_set_port: | |
831 | mutex_unlock(&priv->port_mutex); | |
832 | mlx4_start_sense(mdev); | |
833 | return err ? err : count; | |
834 | } | |
835 | ||
e8f9b2ed | 836 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
837 | { |
838 | struct mlx4_priv *priv = mlx4_priv(dev); | |
839 | int err; | |
840 | ||
841 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 842 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
843 | if (!priv->fw.fw_icm) { |
844 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); | |
845 | return -ENOMEM; | |
846 | } | |
847 | ||
848 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
849 | if (err) { | |
850 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); | |
851 | goto err_free; | |
852 | } | |
853 | ||
854 | err = mlx4_RUN_FW(dev); | |
855 | if (err) { | |
856 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); | |
857 | goto err_unmap_fa; | |
858 | } | |
859 | ||
860 | return 0; | |
861 | ||
862 | err_unmap_fa: | |
863 | mlx4_UNMAP_FA(dev); | |
864 | ||
865 | err_free: | |
5b0bf5e2 | 866 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
867 | return err; |
868 | } | |
869 | ||
e8f9b2ed RD |
870 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
871 | int cmpt_entry_sz) | |
225c7b1f RD |
872 | { |
873 | struct mlx4_priv *priv = mlx4_priv(dev); | |
874 | int err; | |
ab9c17a0 | 875 | int num_eqs; |
225c7b1f RD |
876 | |
877 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
878 | cmpt_base + | |
879 | ((u64) (MLX4_CMPT_TYPE_QP * | |
880 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
881 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
882 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
883 | 0, 0); | |
225c7b1f RD |
884 | if (err) |
885 | goto err; | |
886 | ||
887 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
888 | cmpt_base + | |
889 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
890 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
891 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 892 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
893 | if (err) |
894 | goto err_qp; | |
895 | ||
896 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
897 | cmpt_base + | |
898 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
899 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
900 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 901 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
902 | if (err) |
903 | goto err_srq; | |
904 | ||
3fc929e2 MA |
905 | num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs : |
906 | dev->caps.num_eqs; | |
225c7b1f RD |
907 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
908 | cmpt_base + | |
909 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
910 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 911 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
912 | if (err) |
913 | goto err_cq; | |
914 | ||
915 | return 0; | |
916 | ||
917 | err_cq: | |
918 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
919 | ||
920 | err_srq: | |
921 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
922 | ||
923 | err_qp: | |
924 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
925 | ||
926 | err: | |
927 | return err; | |
928 | } | |
929 | ||
3d73c288 RD |
930 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
931 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
932 | { |
933 | struct mlx4_priv *priv = mlx4_priv(dev); | |
934 | u64 aux_pages; | |
ab9c17a0 | 935 | int num_eqs; |
225c7b1f RD |
936 | int err; |
937 | ||
938 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
939 | if (err) { | |
940 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); | |
941 | return err; | |
942 | } | |
943 | ||
944 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", | |
945 | (unsigned long long) icm_size >> 10, | |
946 | (unsigned long long) aux_pages << 2); | |
947 | ||
948 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 949 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
950 | if (!priv->fw.aux_icm) { |
951 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); | |
952 | return -ENOMEM; | |
953 | } | |
954 | ||
955 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
956 | if (err) { | |
957 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); | |
958 | goto err_free_aux; | |
959 | } | |
960 | ||
961 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
962 | if (err) { | |
963 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); | |
964 | goto err_unmap_aux; | |
965 | } | |
966 | ||
ab9c17a0 | 967 | |
3fc929e2 MA |
968 | num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs : |
969 | dev->caps.num_eqs; | |
fa0681d2 RD |
970 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
971 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 972 | num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
973 | if (err) { |
974 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); | |
975 | goto err_unmap_cmpt; | |
976 | } | |
977 | ||
d7bb58fb JM |
978 | /* |
979 | * Reserved MTT entries must be aligned up to a cacheline | |
980 | * boundary, since the FW will write to them, while the driver | |
981 | * writes to all other MTT entries. (The variable | |
982 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
983 | * size, not the raw entry size) | |
984 | */ | |
985 | dev->caps.reserved_mtts = | |
986 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
987 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
988 | ||
225c7b1f RD |
989 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
990 | init_hca->mtt_base, | |
991 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 992 | dev->caps.num_mtts, |
5b0bf5e2 | 993 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f RD |
994 | if (err) { |
995 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); | |
996 | goto err_unmap_eq; | |
997 | } | |
998 | ||
999 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
1000 | init_hca->dmpt_base, | |
1001 | dev_cap->dmpt_entry_sz, | |
1002 | dev->caps.num_mpts, | |
5b0bf5e2 | 1003 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f RD |
1004 | if (err) { |
1005 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); | |
1006 | goto err_unmap_mtt; | |
1007 | } | |
1008 | ||
1009 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
1010 | init_hca->qpc_base, | |
1011 | dev_cap->qpc_entry_sz, | |
1012 | dev->caps.num_qps, | |
93fc9e1b YP |
1013 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1014 | 0, 0); | |
225c7b1f RD |
1015 | if (err) { |
1016 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); | |
1017 | goto err_unmap_dmpt; | |
1018 | } | |
1019 | ||
1020 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
1021 | init_hca->auxc_base, | |
1022 | dev_cap->aux_entry_sz, | |
1023 | dev->caps.num_qps, | |
93fc9e1b YP |
1024 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1025 | 0, 0); | |
225c7b1f RD |
1026 | if (err) { |
1027 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); | |
1028 | goto err_unmap_qp; | |
1029 | } | |
1030 | ||
1031 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
1032 | init_hca->altc_base, | |
1033 | dev_cap->altc_entry_sz, | |
1034 | dev->caps.num_qps, | |
93fc9e1b YP |
1035 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1036 | 0, 0); | |
225c7b1f RD |
1037 | if (err) { |
1038 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); | |
1039 | goto err_unmap_auxc; | |
1040 | } | |
1041 | ||
1042 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
1043 | init_hca->rdmarc_base, | |
1044 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
1045 | dev->caps.num_qps, | |
93fc9e1b YP |
1046 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1047 | 0, 0); | |
225c7b1f RD |
1048 | if (err) { |
1049 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
1050 | goto err_unmap_altc; | |
1051 | } | |
1052 | ||
1053 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
1054 | init_hca->cqc_base, | |
1055 | dev_cap->cqc_entry_sz, | |
1056 | dev->caps.num_cqs, | |
5b0bf5e2 | 1057 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
1058 | if (err) { |
1059 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); | |
1060 | goto err_unmap_rdmarc; | |
1061 | } | |
1062 | ||
1063 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
1064 | init_hca->srqc_base, | |
1065 | dev_cap->srq_entry_sz, | |
1066 | dev->caps.num_srqs, | |
5b0bf5e2 | 1067 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
1068 | if (err) { |
1069 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); | |
1070 | goto err_unmap_cq; | |
1071 | } | |
1072 | ||
1073 | /* | |
0ff1fb65 HHZ |
1074 | * For flow steering device managed mode it is required to use |
1075 | * mlx4_init_icm_table. For B0 steering mode it's not strictly | |
1076 | * required, but for simplicity just map the whole multicast | |
1077 | * group table now. The table isn't very big and it's a lot | |
1078 | * easier than trying to track ref counts. | |
225c7b1f RD |
1079 | */ |
1080 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
1081 | init_hca->mc_base, |
1082 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
1083 | dev->caps.num_mgms + dev->caps.num_amgms, |
1084 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 1085 | 0, 0); |
225c7b1f RD |
1086 | if (err) { |
1087 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); | |
1088 | goto err_unmap_srq; | |
1089 | } | |
1090 | ||
1091 | return 0; | |
1092 | ||
1093 | err_unmap_srq: | |
1094 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1095 | ||
1096 | err_unmap_cq: | |
1097 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1098 | ||
1099 | err_unmap_rdmarc: | |
1100 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1101 | ||
1102 | err_unmap_altc: | |
1103 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1104 | ||
1105 | err_unmap_auxc: | |
1106 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1107 | ||
1108 | err_unmap_qp: | |
1109 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1110 | ||
1111 | err_unmap_dmpt: | |
1112 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1113 | ||
1114 | err_unmap_mtt: | |
1115 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
1116 | ||
1117 | err_unmap_eq: | |
fa0681d2 | 1118 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1119 | |
1120 | err_unmap_cmpt: | |
1121 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
1122 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1123 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1124 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1125 | ||
1126 | err_unmap_aux: | |
1127 | mlx4_UNMAP_ICM_AUX(dev); | |
1128 | ||
1129 | err_free_aux: | |
5b0bf5e2 | 1130 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1131 | |
1132 | return err; | |
1133 | } | |
1134 | ||
1135 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
1136 | { | |
1137 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1138 | ||
1139 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
1140 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1141 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1142 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1143 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1144 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1145 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1146 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1147 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 1148 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1149 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
1150 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1151 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1152 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
1153 | |
1154 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 1155 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1156 | } |
1157 | ||
ab9c17a0 JM |
1158 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
1159 | { | |
1160 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1161 | ||
f3d4c89e | 1162 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1163 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_TIME)) |
1164 | mlx4_warn(dev, "Failed to close slave function.\n"); | |
f3d4c89e | 1165 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1166 | } |
1167 | ||
c1b43dca EC |
1168 | static int map_bf_area(struct mlx4_dev *dev) |
1169 | { | |
1170 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1171 | resource_size_t bf_start; | |
1172 | resource_size_t bf_len; | |
1173 | int err = 0; | |
1174 | ||
3d747473 JM |
1175 | if (!dev->caps.bf_reg_size) |
1176 | return -ENXIO; | |
1177 | ||
ab9c17a0 JM |
1178 | bf_start = pci_resource_start(dev->pdev, 2) + |
1179 | (dev->caps.num_uars << PAGE_SHIFT); | |
1180 | bf_len = pci_resource_len(dev->pdev, 2) - | |
1181 | (dev->caps.num_uars << PAGE_SHIFT); | |
c1b43dca EC |
1182 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
1183 | if (!priv->bf_mapping) | |
1184 | err = -ENOMEM; | |
1185 | ||
1186 | return err; | |
1187 | } | |
1188 | ||
1189 | static void unmap_bf_area(struct mlx4_dev *dev) | |
1190 | { | |
1191 | if (mlx4_priv(dev)->bf_mapping) | |
1192 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
1193 | } | |
1194 | ||
225c7b1f RD |
1195 | static void mlx4_close_hca(struct mlx4_dev *dev) |
1196 | { | |
c1b43dca | 1197 | unmap_bf_area(dev); |
ab9c17a0 JM |
1198 | if (mlx4_is_slave(dev)) |
1199 | mlx4_slave_exit(dev); | |
1200 | else { | |
1201 | mlx4_CLOSE_HCA(dev, 0); | |
1202 | mlx4_free_icms(dev); | |
1203 | mlx4_UNMAP_FA(dev); | |
1204 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
1205 | } | |
1206 | } | |
1207 | ||
1208 | static int mlx4_init_slave(struct mlx4_dev *dev) | |
1209 | { | |
1210 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1211 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
1212 | int num_of_reset_retries = NUM_OF_RESET_RETRIES; | |
1213 | int ret_from_reset = 0; | |
1214 | u32 slave_read; | |
1215 | u32 cmd_channel_ver; | |
1216 | ||
f3d4c89e | 1217 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1218 | priv->cmd.max_cmds = 1; |
1219 | mlx4_warn(dev, "Sending reset\n"); | |
1220 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
1221 | MLX4_COMM_TIME); | |
1222 | /* if we are in the middle of flr the slave will try | |
1223 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
1224 | if (ret_from_reset) { | |
1225 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1226 | msleep(SLEEP_TIME_IN_RESET); | |
1227 | while (ret_from_reset && num_of_reset_retries) { | |
1228 | mlx4_warn(dev, "slave is currently in the" | |
1229 | "middle of FLR. retrying..." | |
1230 | "(try num:%d)\n", | |
1231 | (NUM_OF_RESET_RETRIES - | |
1232 | num_of_reset_retries + 1)); | |
1233 | ret_from_reset = | |
1234 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, | |
1235 | 0, MLX4_COMM_TIME); | |
1236 | num_of_reset_retries = num_of_reset_retries - 1; | |
1237 | } | |
1238 | } else | |
1239 | goto err; | |
1240 | } | |
1241 | ||
1242 | /* check the driver version - the slave I/F revision | |
1243 | * must match the master's */ | |
1244 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
1245 | cmd_channel_ver = mlx4_comm_get_version(); | |
1246 | ||
1247 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
1248 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1249 | mlx4_err(dev, "slave driver version is not supported" | |
1250 | " by the master\n"); | |
1251 | goto err; | |
1252 | } | |
1253 | ||
1254 | mlx4_warn(dev, "Sending vhcr0\n"); | |
1255 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
1256 | MLX4_COMM_TIME)) | |
1257 | goto err; | |
1258 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
1259 | MLX4_COMM_TIME)) | |
1260 | goto err; | |
1261 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
1262 | MLX4_COMM_TIME)) | |
1263 | goto err; | |
1264 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, MLX4_COMM_TIME)) | |
1265 | goto err; | |
f3d4c89e RD |
1266 | |
1267 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
ab9c17a0 JM |
1268 | return 0; |
1269 | ||
1270 | err: | |
1271 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, 0); | |
f3d4c89e | 1272 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1273 | return -EIO; |
225c7b1f RD |
1274 | } |
1275 | ||
6634961c JM |
1276 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
1277 | { | |
1278 | int i; | |
1279 | ||
1280 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
1281 | dev->caps.gid_table_len[i] = 1; | |
1282 | dev->caps.pkey_table_len[i] = | |
1283 | dev->phys_caps.pkey_phys_table_len[i] - 1; | |
1284 | } | |
1285 | } | |
1286 | ||
3d73c288 | 1287 | static int mlx4_init_hca(struct mlx4_dev *dev) |
225c7b1f RD |
1288 | { |
1289 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1290 | struct mlx4_adapter adapter; | |
1291 | struct mlx4_dev_cap dev_cap; | |
2d928651 | 1292 | struct mlx4_mod_stat_cfg mlx4_cfg; |
225c7b1f RD |
1293 | struct mlx4_profile profile; |
1294 | struct mlx4_init_hca_param init_hca; | |
1295 | u64 icm_size; | |
1296 | int err; | |
1297 | ||
ab9c17a0 JM |
1298 | if (!mlx4_is_slave(dev)) { |
1299 | err = mlx4_QUERY_FW(dev); | |
1300 | if (err) { | |
1301 | if (err == -EACCES) | |
1302 | mlx4_info(dev, "non-primary physical function, skipping.\n"); | |
1303 | else | |
1304 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); | |
bef772eb | 1305 | return err; |
ab9c17a0 | 1306 | } |
225c7b1f | 1307 | |
ab9c17a0 JM |
1308 | err = mlx4_load_fw(dev); |
1309 | if (err) { | |
1310 | mlx4_err(dev, "Failed to start FW, aborting.\n"); | |
bef772eb | 1311 | return err; |
ab9c17a0 | 1312 | } |
225c7b1f | 1313 | |
ab9c17a0 JM |
1314 | mlx4_cfg.log_pg_sz_m = 1; |
1315 | mlx4_cfg.log_pg_sz = 0; | |
1316 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
1317 | if (err) | |
1318 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
2d928651 | 1319 | |
ab9c17a0 JM |
1320 | err = mlx4_dev_cap(dev, &dev_cap); |
1321 | if (err) { | |
1322 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
1323 | goto err_stop_fw; | |
1324 | } | |
225c7b1f | 1325 | |
6634961c JM |
1326 | if (mlx4_is_master(dev)) |
1327 | mlx4_parav_master_pf_caps(dev); | |
1328 | ||
0ff1fb65 HHZ |
1329 | priv->fs_hash_mode = MLX4_FS_L2_HASH; |
1330 | ||
1331 | switch (priv->fs_hash_mode) { | |
1332 | case MLX4_FS_L2_HASH: | |
1333 | init_hca.fs_hash_enable_bits = 0; | |
1334 | break; | |
1335 | ||
1336 | case MLX4_FS_L2_L3_L4_HASH: | |
1337 | /* Enable flow steering with | |
1338 | * udp unicast and tcp unicast | |
1339 | */ | |
1340 | init_hca.fs_hash_enable_bits = | |
1341 | MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN; | |
1342 | break; | |
1343 | } | |
1344 | ||
ab9c17a0 | 1345 | profile = default_profile; |
0ff1fb65 HHZ |
1346 | if (dev->caps.steering_mode == |
1347 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
1348 | profile.num_mcg = MLX4_FS_NUM_MCG; | |
225c7b1f | 1349 | |
ab9c17a0 JM |
1350 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
1351 | &init_hca); | |
1352 | if ((long long) icm_size < 0) { | |
1353 | err = icm_size; | |
1354 | goto err_stop_fw; | |
1355 | } | |
225c7b1f | 1356 | |
a5bbe892 EC |
1357 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
1358 | ||
ab9c17a0 JM |
1359 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
1360 | init_hca.uar_page_sz = PAGE_SHIFT - 12; | |
c1b43dca | 1361 | |
ab9c17a0 JM |
1362 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
1363 | if (err) | |
1364 | goto err_stop_fw; | |
225c7b1f | 1365 | |
ab9c17a0 JM |
1366 | err = mlx4_INIT_HCA(dev, &init_hca); |
1367 | if (err) { | |
1368 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); | |
1369 | goto err_free_icm; | |
1370 | } | |
1371 | } else { | |
1372 | err = mlx4_init_slave(dev); | |
1373 | if (err) { | |
1374 | mlx4_err(dev, "Failed to initialize slave\n"); | |
bef772eb | 1375 | return err; |
ab9c17a0 | 1376 | } |
225c7b1f | 1377 | |
ab9c17a0 JM |
1378 | err = mlx4_slave_cap(dev); |
1379 | if (err) { | |
1380 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
1381 | goto err_close; | |
1382 | } | |
225c7b1f RD |
1383 | } |
1384 | ||
ab9c17a0 JM |
1385 | if (map_bf_area(dev)) |
1386 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
1387 | ||
1388 | /*Only the master set the ports, all the rest got it from it.*/ | |
1389 | if (!mlx4_is_slave(dev)) | |
1390 | mlx4_set_port_mask(dev); | |
1391 | ||
225c7b1f RD |
1392 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
1393 | if (err) { | |
1394 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); | |
bef772eb | 1395 | goto unmap_bf; |
225c7b1f RD |
1396 | } |
1397 | ||
1398 | priv->eq_table.inta_pin = adapter.inta_pin; | |
cd9281d8 | 1399 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
1400 | |
1401 | return 0; | |
1402 | ||
bef772eb AY |
1403 | unmap_bf: |
1404 | unmap_bf_area(dev); | |
1405 | ||
225c7b1f | 1406 | err_close: |
ab9c17a0 | 1407 | mlx4_close_hca(dev); |
225c7b1f RD |
1408 | |
1409 | err_free_icm: | |
ab9c17a0 JM |
1410 | if (!mlx4_is_slave(dev)) |
1411 | mlx4_free_icms(dev); | |
225c7b1f RD |
1412 | |
1413 | err_stop_fw: | |
ab9c17a0 JM |
1414 | if (!mlx4_is_slave(dev)) { |
1415 | mlx4_UNMAP_FA(dev); | |
1416 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); | |
1417 | } | |
225c7b1f RD |
1418 | return err; |
1419 | } | |
1420 | ||
f2a3f6a3 OG |
1421 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
1422 | { | |
1423 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1424 | int nent; | |
1425 | ||
1426 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1427 | return -ENOENT; | |
1428 | ||
1429 | nent = dev->caps.max_counters; | |
1430 | return mlx4_bitmap_init(&priv->counters_bitmap, nent, nent - 1, 0, 0); | |
1431 | } | |
1432 | ||
1433 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
1434 | { | |
1435 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); | |
1436 | } | |
1437 | ||
ba062d52 | 1438 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
f2a3f6a3 OG |
1439 | { |
1440 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1441 | ||
1442 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1443 | return -ENOENT; | |
1444 | ||
1445 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
1446 | if (*idx == -1) | |
1447 | return -ENOMEM; | |
1448 | ||
1449 | return 0; | |
1450 | } | |
ba062d52 JM |
1451 | |
1452 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
1453 | { | |
1454 | u64 out_param; | |
1455 | int err; | |
1456 | ||
1457 | if (mlx4_is_mfunc(dev)) { | |
1458 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, | |
1459 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, | |
1460 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); | |
1461 | if (!err) | |
1462 | *idx = get_param_l(&out_param); | |
1463 | ||
1464 | return err; | |
1465 | } | |
1466 | return __mlx4_counter_alloc(dev, idx); | |
1467 | } | |
f2a3f6a3 OG |
1468 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
1469 | ||
ba062d52 | 1470 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
f2a3f6a3 OG |
1471 | { |
1472 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx); | |
1473 | return; | |
1474 | } | |
ba062d52 JM |
1475 | |
1476 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
1477 | { | |
1478 | u64 in_param; | |
1479 | ||
1480 | if (mlx4_is_mfunc(dev)) { | |
1481 | set_param_l(&in_param, idx); | |
1482 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, | |
1483 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, | |
1484 | MLX4_CMD_WRAPPED); | |
1485 | return; | |
1486 | } | |
1487 | __mlx4_counter_free(dev, idx); | |
1488 | } | |
f2a3f6a3 OG |
1489 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
1490 | ||
3d73c288 | 1491 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
1492 | { |
1493 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1494 | int err; | |
7ff93f8b | 1495 | int port; |
9a5aa622 | 1496 | __be32 ib_port_default_caps; |
225c7b1f | 1497 | |
225c7b1f RD |
1498 | err = mlx4_init_uar_table(dev); |
1499 | if (err) { | |
1500 | mlx4_err(dev, "Failed to initialize " | |
1501 | "user access region table, aborting.\n"); | |
1502 | return err; | |
1503 | } | |
1504 | ||
1505 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
1506 | if (err) { | |
1507 | mlx4_err(dev, "Failed to allocate driver access region, " | |
1508 | "aborting.\n"); | |
1509 | goto err_uar_table_free; | |
1510 | } | |
1511 | ||
4979d18f | 1512 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f RD |
1513 | if (!priv->kar) { |
1514 | mlx4_err(dev, "Couldn't map kernel access region, " | |
1515 | "aborting.\n"); | |
1516 | err = -ENOMEM; | |
1517 | goto err_uar_free; | |
1518 | } | |
1519 | ||
1520 | err = mlx4_init_pd_table(dev); | |
1521 | if (err) { | |
1522 | mlx4_err(dev, "Failed to initialize " | |
1523 | "protection domain table, aborting.\n"); | |
1524 | goto err_kar_unmap; | |
1525 | } | |
1526 | ||
012a8ff5 SH |
1527 | err = mlx4_init_xrcd_table(dev); |
1528 | if (err) { | |
1529 | mlx4_err(dev, "Failed to initialize " | |
1530 | "reliable connection domain table, aborting.\n"); | |
1531 | goto err_pd_table_free; | |
1532 | } | |
1533 | ||
225c7b1f RD |
1534 | err = mlx4_init_mr_table(dev); |
1535 | if (err) { | |
1536 | mlx4_err(dev, "Failed to initialize " | |
1537 | "memory region table, aborting.\n"); | |
012a8ff5 | 1538 | goto err_xrcd_table_free; |
225c7b1f RD |
1539 | } |
1540 | ||
225c7b1f RD |
1541 | err = mlx4_init_eq_table(dev); |
1542 | if (err) { | |
1543 | mlx4_err(dev, "Failed to initialize " | |
1544 | "event queue table, aborting.\n"); | |
ee49bd93 | 1545 | goto err_mr_table_free; |
225c7b1f RD |
1546 | } |
1547 | ||
1548 | err = mlx4_cmd_use_events(dev); | |
1549 | if (err) { | |
1550 | mlx4_err(dev, "Failed to switch to event-driven " | |
1551 | "firmware commands, aborting.\n"); | |
1552 | goto err_eq_table_free; | |
1553 | } | |
1554 | ||
1555 | err = mlx4_NOP(dev); | |
1556 | if (err) { | |
08fb1055 MT |
1557 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1558 | mlx4_warn(dev, "NOP command failed to generate MSI-X " | |
1559 | "interrupt IRQ %d).\n", | |
b8dd786f | 1560 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
08fb1055 MT |
1561 | mlx4_warn(dev, "Trying again without MSI-X.\n"); |
1562 | } else { | |
1563 | mlx4_err(dev, "NOP command failed to generate interrupt " | |
1564 | "(IRQ %d), aborting.\n", | |
b8dd786f | 1565 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
225c7b1f | 1566 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 1567 | } |
225c7b1f RD |
1568 | |
1569 | goto err_cmd_poll; | |
1570 | } | |
1571 | ||
1572 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
1573 | ||
1574 | err = mlx4_init_cq_table(dev); | |
1575 | if (err) { | |
1576 | mlx4_err(dev, "Failed to initialize " | |
1577 | "completion queue table, aborting.\n"); | |
1578 | goto err_cmd_poll; | |
1579 | } | |
1580 | ||
1581 | err = mlx4_init_srq_table(dev); | |
1582 | if (err) { | |
1583 | mlx4_err(dev, "Failed to initialize " | |
1584 | "shared receive queue table, aborting.\n"); | |
1585 | goto err_cq_table_free; | |
1586 | } | |
1587 | ||
1588 | err = mlx4_init_qp_table(dev); | |
1589 | if (err) { | |
1590 | mlx4_err(dev, "Failed to initialize " | |
1591 | "queue pair table, aborting.\n"); | |
1592 | goto err_srq_table_free; | |
1593 | } | |
1594 | ||
ab9c17a0 JM |
1595 | if (!mlx4_is_slave(dev)) { |
1596 | err = mlx4_init_mcg_table(dev); | |
1597 | if (err) { | |
1598 | mlx4_err(dev, "Failed to initialize " | |
1599 | "multicast group table, aborting.\n"); | |
1600 | goto err_qp_table_free; | |
1601 | } | |
225c7b1f RD |
1602 | } |
1603 | ||
f2a3f6a3 OG |
1604 | err = mlx4_init_counters_table(dev); |
1605 | if (err && err != -ENOENT) { | |
1606 | mlx4_err(dev, "Failed to initialize counters table, aborting.\n"); | |
ab9c17a0 | 1607 | goto err_mcg_table_free; |
f2a3f6a3 OG |
1608 | } |
1609 | ||
ab9c17a0 JM |
1610 | if (!mlx4_is_slave(dev)) { |
1611 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
ab9c17a0 JM |
1612 | ib_port_default_caps = 0; |
1613 | err = mlx4_get_port_ib_caps(dev, port, | |
1614 | &ib_port_default_caps); | |
1615 | if (err) | |
1616 | mlx4_warn(dev, "failed to get port %d default " | |
1617 | "ib capabilities (%d). Continuing " | |
1618 | "with caps = 0\n", port, err); | |
1619 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; | |
1620 | ||
2aca1172 JM |
1621 | /* initialize per-slave default ib port capabilities */ |
1622 | if (mlx4_is_master(dev)) { | |
1623 | int i; | |
1624 | for (i = 0; i < dev->num_slaves; i++) { | |
1625 | if (i == mlx4_master_func_num(dev)) | |
1626 | continue; | |
1627 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = | |
1628 | ib_port_default_caps; | |
1629 | } | |
1630 | } | |
1631 | ||
096335b3 OG |
1632 | if (mlx4_is_mfunc(dev)) |
1633 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; | |
1634 | else | |
1635 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; | |
97285b78 | 1636 | |
6634961c JM |
1637 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
1638 | dev->caps.pkey_table_len[port] : -1); | |
ab9c17a0 JM |
1639 | if (err) { |
1640 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1641 | port); | |
1642 | goto err_counters_table_free; | |
1643 | } | |
7ff93f8b YP |
1644 | } |
1645 | } | |
1646 | ||
225c7b1f RD |
1647 | return 0; |
1648 | ||
f2a3f6a3 OG |
1649 | err_counters_table_free: |
1650 | mlx4_cleanup_counters_table(dev); | |
1651 | ||
ab9c17a0 JM |
1652 | err_mcg_table_free: |
1653 | mlx4_cleanup_mcg_table(dev); | |
1654 | ||
225c7b1f RD |
1655 | err_qp_table_free: |
1656 | mlx4_cleanup_qp_table(dev); | |
1657 | ||
1658 | err_srq_table_free: | |
1659 | mlx4_cleanup_srq_table(dev); | |
1660 | ||
1661 | err_cq_table_free: | |
1662 | mlx4_cleanup_cq_table(dev); | |
1663 | ||
1664 | err_cmd_poll: | |
1665 | mlx4_cmd_use_polling(dev); | |
1666 | ||
1667 | err_eq_table_free: | |
1668 | mlx4_cleanup_eq_table(dev); | |
1669 | ||
ee49bd93 | 1670 | err_mr_table_free: |
225c7b1f RD |
1671 | mlx4_cleanup_mr_table(dev); |
1672 | ||
012a8ff5 SH |
1673 | err_xrcd_table_free: |
1674 | mlx4_cleanup_xrcd_table(dev); | |
1675 | ||
225c7b1f RD |
1676 | err_pd_table_free: |
1677 | mlx4_cleanup_pd_table(dev); | |
1678 | ||
1679 | err_kar_unmap: | |
1680 | iounmap(priv->kar); | |
1681 | ||
1682 | err_uar_free: | |
1683 | mlx4_uar_free(dev, &priv->driver_uar); | |
1684 | ||
1685 | err_uar_table_free: | |
1686 | mlx4_cleanup_uar_table(dev); | |
1687 | return err; | |
1688 | } | |
1689 | ||
e8f9b2ed | 1690 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
1691 | { |
1692 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 1693 | struct msix_entry *entries; |
0b7ca5a9 | 1694 | int nreq = min_t(int, dev->caps.num_ports * |
90b1ebe7 YM |
1695 | min_t(int, netif_get_num_default_rss_queues() + 1, |
1696 | MAX_MSIX_P_PORT) + MSIX_LEGACY_SZ, MAX_MSIX); | |
225c7b1f RD |
1697 | int err; |
1698 | int i; | |
1699 | ||
1700 | if (msi_x) { | |
ab9c17a0 JM |
1701 | /* In multifunction mode each function gets 2 msi-X vectors |
1702 | * one for data path completions anf the other for asynch events | |
1703 | * or command completions */ | |
1704 | if (mlx4_is_mfunc(dev)) { | |
1705 | nreq = 2; | |
1706 | } else { | |
1707 | nreq = min_t(int, dev->caps.num_eqs - | |
1708 | dev->caps.reserved_eqs, nreq); | |
1709 | } | |
1710 | ||
b8dd786f YP |
1711 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
1712 | if (!entries) | |
1713 | goto no_msi; | |
1714 | ||
1715 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
1716 | entries[i].entry = i; |
1717 | ||
b8dd786f YP |
1718 | retry: |
1719 | err = pci_enable_msix(dev->pdev, entries, nreq); | |
225c7b1f | 1720 | if (err) { |
b8dd786f YP |
1721 | /* Try again if at least 2 vectors are available */ |
1722 | if (err > 1) { | |
1723 | mlx4_info(dev, "Requested %d vectors, " | |
1724 | "but only %d MSI-X vectors available, " | |
1725 | "trying again\n", nreq, err); | |
1726 | nreq = err; | |
1727 | goto retry; | |
1728 | } | |
5bf0da7d | 1729 | kfree(entries); |
225c7b1f RD |
1730 | goto no_msi; |
1731 | } | |
1732 | ||
0b7ca5a9 YP |
1733 | if (nreq < |
1734 | MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) { | |
1735 | /*Working in legacy mode , all EQ's shared*/ | |
1736 | dev->caps.comp_pool = 0; | |
1737 | dev->caps.num_comp_vectors = nreq - 1; | |
1738 | } else { | |
1739 | dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ; | |
1740 | dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1; | |
1741 | } | |
b8dd786f | 1742 | for (i = 0; i < nreq; ++i) |
225c7b1f RD |
1743 | priv->eq_table.eq[i].irq = entries[i].vector; |
1744 | ||
1745 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
1746 | |
1747 | kfree(entries); | |
225c7b1f RD |
1748 | return; |
1749 | } | |
1750 | ||
1751 | no_msi: | |
b8dd786f | 1752 | dev->caps.num_comp_vectors = 1; |
0b7ca5a9 | 1753 | dev->caps.comp_pool = 0; |
b8dd786f YP |
1754 | |
1755 | for (i = 0; i < 2; ++i) | |
225c7b1f RD |
1756 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
1757 | } | |
1758 | ||
7ff93f8b | 1759 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
1760 | { |
1761 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 1762 | int err = 0; |
2a2336f8 YP |
1763 | |
1764 | info->dev = dev; | |
1765 | info->port = port; | |
ab9c17a0 JM |
1766 | if (!mlx4_is_slave(dev)) { |
1767 | INIT_RADIX_TREE(&info->mac_tree, GFP_KERNEL); | |
1768 | mlx4_init_mac_table(dev, &info->mac_table); | |
1769 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
1770 | info->base_qpn = | |
1771 | dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + | |
06fa0a88 | 1772 | (port - 1) * (1 << log_num_mac); |
ab9c17a0 | 1773 | } |
7ff93f8b YP |
1774 | |
1775 | sprintf(info->dev_name, "mlx4_port%d", port); | |
1776 | info->port_attr.attr.name = info->dev_name; | |
ab9c17a0 JM |
1777 | if (mlx4_is_mfunc(dev)) |
1778 | info->port_attr.attr.mode = S_IRUGO; | |
1779 | else { | |
1780 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
1781 | info->port_attr.store = set_port_type; | |
1782 | } | |
7ff93f8b | 1783 | info->port_attr.show = show_port_type; |
3691c964 | 1784 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b YP |
1785 | |
1786 | err = device_create_file(&dev->pdev->dev, &info->port_attr); | |
1787 | if (err) { | |
1788 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
1789 | info->port = -1; | |
1790 | } | |
1791 | ||
096335b3 OG |
1792 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
1793 | info->port_mtu_attr.attr.name = info->dev_mtu_name; | |
1794 | if (mlx4_is_mfunc(dev)) | |
1795 | info->port_mtu_attr.attr.mode = S_IRUGO; | |
1796 | else { | |
1797 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; | |
1798 | info->port_mtu_attr.store = set_port_ib_mtu; | |
1799 | } | |
1800 | info->port_mtu_attr.show = show_port_ib_mtu; | |
1801 | sysfs_attr_init(&info->port_mtu_attr.attr); | |
1802 | ||
1803 | err = device_create_file(&dev->pdev->dev, &info->port_mtu_attr); | |
1804 | if (err) { | |
1805 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); | |
1806 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
1807 | info->port = -1; | |
1808 | } | |
1809 | ||
7ff93f8b YP |
1810 | return err; |
1811 | } | |
1812 | ||
1813 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
1814 | { | |
1815 | if (info->port < 0) | |
1816 | return; | |
1817 | ||
1818 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
096335b3 | 1819 | device_remove_file(&info->dev->pdev->dev, &info->port_mtu_attr); |
2a2336f8 YP |
1820 | } |
1821 | ||
b12d93d6 YP |
1822 | static int mlx4_init_steering(struct mlx4_dev *dev) |
1823 | { | |
1824 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1825 | int num_entries = dev->caps.num_ports; | |
1826 | int i, j; | |
1827 | ||
1828 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
1829 | if (!priv->steer) | |
1830 | return -ENOMEM; | |
1831 | ||
45b51365 | 1832 | for (i = 0; i < num_entries; i++) |
b12d93d6 YP |
1833 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
1834 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
1835 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
1836 | } | |
b12d93d6 YP |
1837 | return 0; |
1838 | } | |
1839 | ||
1840 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
1841 | { | |
1842 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1843 | struct mlx4_steer_index *entry, *tmp_entry; | |
1844 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
1845 | int num_entries = dev->caps.num_ports; | |
1846 | int i, j; | |
1847 | ||
1848 | for (i = 0; i < num_entries; i++) { | |
1849 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
1850 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1851 | &priv->steer[i].promisc_qps[j], | |
1852 | list) { | |
1853 | list_del(&pqp->list); | |
1854 | kfree(pqp); | |
1855 | } | |
1856 | list_for_each_entry_safe(entry, tmp_entry, | |
1857 | &priv->steer[i].steer_entries[j], | |
1858 | list) { | |
1859 | list_del(&entry->list); | |
1860 | list_for_each_entry_safe(pqp, tmp_pqp, | |
1861 | &entry->duplicates, | |
1862 | list) { | |
1863 | list_del(&pqp->list); | |
1864 | kfree(pqp); | |
1865 | } | |
1866 | kfree(entry); | |
1867 | } | |
1868 | } | |
1869 | } | |
1870 | kfree(priv->steer); | |
1871 | } | |
1872 | ||
ab9c17a0 JM |
1873 | static int extended_func_num(struct pci_dev *pdev) |
1874 | { | |
1875 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
1876 | } | |
1877 | ||
1878 | #define MLX4_OWNER_BASE 0x8069c | |
1879 | #define MLX4_OWNER_SIZE 4 | |
1880 | ||
1881 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
1882 | { | |
1883 | void __iomem *owner; | |
1884 | u32 ret; | |
1885 | ||
57dbf29a KSS |
1886 | if (pci_channel_offline(dev->pdev)) |
1887 | return -EIO; | |
1888 | ||
ab9c17a0 JM |
1889 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, |
1890 | MLX4_OWNER_SIZE); | |
1891 | if (!owner) { | |
1892 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
1893 | return -ENOMEM; | |
1894 | } | |
1895 | ||
1896 | ret = readl(owner); | |
1897 | iounmap(owner); | |
1898 | return (int) !!ret; | |
1899 | } | |
1900 | ||
1901 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
1902 | { | |
1903 | void __iomem *owner; | |
1904 | ||
57dbf29a KSS |
1905 | if (pci_channel_offline(dev->pdev)) |
1906 | return; | |
1907 | ||
ab9c17a0 JM |
1908 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, |
1909 | MLX4_OWNER_SIZE); | |
1910 | if (!owner) { | |
1911 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
1912 | return; | |
1913 | } | |
1914 | writel(0, owner); | |
1915 | msleep(1000); | |
1916 | iounmap(owner); | |
1917 | } | |
1918 | ||
3d73c288 | 1919 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
225c7b1f | 1920 | { |
225c7b1f RD |
1921 | struct mlx4_priv *priv; |
1922 | struct mlx4_dev *dev; | |
1923 | int err; | |
2a2336f8 | 1924 | int port; |
225c7b1f | 1925 | |
0a645e80 | 1926 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
225c7b1f RD |
1927 | |
1928 | err = pci_enable_device(pdev); | |
1929 | if (err) { | |
1930 | dev_err(&pdev->dev, "Cannot enable PCI device, " | |
1931 | "aborting.\n"); | |
1932 | return err; | |
1933 | } | |
ab9c17a0 JM |
1934 | if (num_vfs > MLX4_MAX_NUM_VF) { |
1935 | printk(KERN_ERR "There are more VF's (%d) than allowed(%d)\n", | |
1936 | num_vfs, MLX4_MAX_NUM_VF); | |
1937 | return -EINVAL; | |
1938 | } | |
225c7b1f | 1939 | /* |
ab9c17a0 | 1940 | * Check for BARs. |
225c7b1f | 1941 | */ |
ab9c17a0 JM |
1942 | if (((id == NULL) || !(id->driver_data & MLX4_VF)) && |
1943 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1944 | dev_err(&pdev->dev, "Missing DCS, aborting." | |
1945 | "(id == 0X%p, id->driver_data: 0x%lx," | |
1946 | " pci_resource_flags(pdev, 0):0x%lx)\n", id, | |
1947 | id ? id->driver_data : 0, pci_resource_flags(pdev, 0)); | |
225c7b1f RD |
1948 | err = -ENODEV; |
1949 | goto err_disable_pdev; | |
1950 | } | |
1951 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
1952 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); | |
1953 | err = -ENODEV; | |
1954 | goto err_disable_pdev; | |
1955 | } | |
1956 | ||
a01df0fe | 1957 | err = pci_request_regions(pdev, DRV_NAME); |
225c7b1f | 1958 | if (err) { |
a01df0fe | 1959 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
225c7b1f RD |
1960 | goto err_disable_pdev; |
1961 | } | |
1962 | ||
225c7b1f RD |
1963 | pci_set_master(pdev); |
1964 | ||
6a35528a | 1965 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1966 | if (err) { |
1967 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); | |
284901a9 | 1968 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1969 | if (err) { |
1970 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); | |
a01df0fe | 1971 | goto err_release_regions; |
225c7b1f RD |
1972 | } |
1973 | } | |
6a35528a | 1974 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
225c7b1f RD |
1975 | if (err) { |
1976 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " | |
1977 | "consistent PCI DMA mask.\n"); | |
284901a9 | 1978 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
225c7b1f RD |
1979 | if (err) { |
1980 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " | |
1981 | "aborting.\n"); | |
a01df0fe | 1982 | goto err_release_regions; |
225c7b1f RD |
1983 | } |
1984 | } | |
1985 | ||
7f9e5c48 DD |
1986 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ |
1987 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
1988 | ||
225c7b1f RD |
1989 | priv = kzalloc(sizeof *priv, GFP_KERNEL); |
1990 | if (!priv) { | |
1991 | dev_err(&pdev->dev, "Device struct alloc failed, " | |
1992 | "aborting.\n"); | |
1993 | err = -ENOMEM; | |
a01df0fe | 1994 | goto err_release_regions; |
225c7b1f RD |
1995 | } |
1996 | ||
1997 | dev = &priv->dev; | |
1998 | dev->pdev = pdev; | |
b581401e RD |
1999 | INIT_LIST_HEAD(&priv->ctx_list); |
2000 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 2001 | |
7ff93f8b YP |
2002 | mutex_init(&priv->port_mutex); |
2003 | ||
6296883c YP |
2004 | INIT_LIST_HEAD(&priv->pgdir_list); |
2005 | mutex_init(&priv->pgdir_mutex); | |
2006 | ||
c1b43dca EC |
2007 | INIT_LIST_HEAD(&priv->bf_list); |
2008 | mutex_init(&priv->bf_mutex); | |
2009 | ||
aca7a3ac | 2010 | dev->rev_id = pdev->revision; |
ab9c17a0 JM |
2011 | /* Detect if this device is a virtual function */ |
2012 | if (id && id->driver_data & MLX4_VF) { | |
2013 | /* When acting as pf, we normally skip vfs unless explicitly | |
2014 | * requested to probe them. */ | |
2015 | if (num_vfs && extended_func_num(pdev) > probe_vf) { | |
2016 | mlx4_warn(dev, "Skipping virtual function:%d\n", | |
2017 | extended_func_num(pdev)); | |
2018 | err = -ENODEV; | |
2019 | goto err_free_dev; | |
2020 | } | |
2021 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); | |
2022 | dev->flags |= MLX4_FLAG_SLAVE; | |
2023 | } else { | |
2024 | /* We reset the device and enable SRIOV only for physical | |
2025 | * devices. Try to claim ownership on the device; | |
2026 | * if already taken, skip -- do not allow multiple PFs */ | |
2027 | err = mlx4_get_ownership(dev); | |
2028 | if (err) { | |
2029 | if (err < 0) | |
2030 | goto err_free_dev; | |
2031 | else { | |
2032 | mlx4_warn(dev, "Multiple PFs not yet supported." | |
2033 | " Skipping PF.\n"); | |
2034 | err = -EINVAL; | |
2035 | goto err_free_dev; | |
2036 | } | |
2037 | } | |
aca7a3ac | 2038 | |
ab9c17a0 | 2039 | if (num_vfs) { |
84b1f153 | 2040 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", num_vfs); |
ab9c17a0 JM |
2041 | err = pci_enable_sriov(pdev, num_vfs); |
2042 | if (err) { | |
84b1f153 RD |
2043 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d).\n", |
2044 | err); | |
ab9c17a0 JM |
2045 | err = 0; |
2046 | } else { | |
2047 | mlx4_warn(dev, "Running in master mode\n"); | |
2048 | dev->flags |= MLX4_FLAG_SRIOV | | |
2049 | MLX4_FLAG_MASTER; | |
2050 | dev->num_vfs = num_vfs; | |
2051 | } | |
2052 | } | |
2053 | ||
2054 | /* | |
2055 | * Now reset the HCA before we touch the PCI capabilities or | |
2056 | * attempt a firmware command, since a boot ROM may have left | |
2057 | * the HCA in an undefined state. | |
2058 | */ | |
2059 | err = mlx4_reset(dev); | |
2060 | if (err) { | |
2061 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
2062 | goto err_rel_own; | |
2063 | } | |
225c7b1f RD |
2064 | } |
2065 | ||
ab9c17a0 | 2066 | slave_start: |
521130d1 EE |
2067 | err = mlx4_cmd_init(dev); |
2068 | if (err) { | |
225c7b1f | 2069 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); |
ab9c17a0 JM |
2070 | goto err_sriov; |
2071 | } | |
2072 | ||
2073 | /* In slave functions, the communication channel must be initialized | |
2074 | * before posting commands. Also, init num_slaves before calling | |
2075 | * mlx4_init_hca */ | |
2076 | if (mlx4_is_mfunc(dev)) { | |
2077 | if (mlx4_is_master(dev)) | |
2078 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; | |
2079 | else { | |
2080 | dev->num_slaves = 0; | |
2081 | if (mlx4_multi_func_init(dev)) { | |
2082 | mlx4_err(dev, "Failed to init slave mfunc" | |
2083 | " interface, aborting.\n"); | |
2084 | goto err_cmd; | |
2085 | } | |
2086 | } | |
225c7b1f RD |
2087 | } |
2088 | ||
2089 | err = mlx4_init_hca(dev); | |
ab9c17a0 JM |
2090 | if (err) { |
2091 | if (err == -EACCES) { | |
2092 | /* Not primary Physical function | |
2093 | * Running in slave mode */ | |
2094 | mlx4_cmd_cleanup(dev); | |
2095 | dev->flags |= MLX4_FLAG_SLAVE; | |
2096 | dev->flags &= ~MLX4_FLAG_MASTER; | |
2097 | goto slave_start; | |
2098 | } else | |
2099 | goto err_mfunc; | |
2100 | } | |
2101 | ||
2102 | /* In master functions, the communication channel must be initialized | |
2103 | * after obtaining its address from fw */ | |
2104 | if (mlx4_is_master(dev)) { | |
2105 | if (mlx4_multi_func_init(dev)) { | |
2106 | mlx4_err(dev, "Failed to init master mfunc" | |
2107 | "interface, aborting.\n"); | |
2108 | goto err_close; | |
2109 | } | |
2110 | } | |
225c7b1f | 2111 | |
b8dd786f YP |
2112 | err = mlx4_alloc_eq_table(dev); |
2113 | if (err) | |
ab9c17a0 | 2114 | goto err_master_mfunc; |
b8dd786f | 2115 | |
0b7ca5a9 | 2116 | priv->msix_ctl.pool_bm = 0; |
730c41d5 | 2117 | mutex_init(&priv->msix_ctl.pool_lock); |
0b7ca5a9 | 2118 | |
08fb1055 | 2119 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
2120 | if ((mlx4_is_mfunc(dev)) && |
2121 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
2122 | mlx4_err(dev, "INTx is not supported in multi-function mode." | |
2123 | " aborting.\n"); | |
b12d93d6 | 2124 | goto err_free_eq; |
ab9c17a0 JM |
2125 | } |
2126 | ||
2127 | if (!mlx4_is_slave(dev)) { | |
2128 | err = mlx4_init_steering(dev); | |
2129 | if (err) | |
2130 | goto err_free_eq; | |
2131 | } | |
b12d93d6 | 2132 | |
225c7b1f | 2133 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
2134 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
2135 | !mlx4_is_mfunc(dev)) { | |
08fb1055 | 2136 | dev->flags &= ~MLX4_FLAG_MSI_X; |
9858d2d1 YP |
2137 | dev->caps.num_comp_vectors = 1; |
2138 | dev->caps.comp_pool = 0; | |
08fb1055 MT |
2139 | pci_disable_msix(pdev); |
2140 | err = mlx4_setup_hca(dev); | |
2141 | } | |
2142 | ||
225c7b1f | 2143 | if (err) |
b12d93d6 | 2144 | goto err_steer; |
225c7b1f | 2145 | |
7ff93f8b YP |
2146 | for (port = 1; port <= dev->caps.num_ports; port++) { |
2147 | err = mlx4_init_port_info(dev, port); | |
2148 | if (err) | |
2149 | goto err_port; | |
2150 | } | |
2a2336f8 | 2151 | |
225c7b1f RD |
2152 | err = mlx4_register_device(dev); |
2153 | if (err) | |
7ff93f8b | 2154 | goto err_port; |
225c7b1f | 2155 | |
27bf91d6 YP |
2156 | mlx4_sense_init(dev); |
2157 | mlx4_start_sense(dev); | |
2158 | ||
225c7b1f RD |
2159 | pci_set_drvdata(pdev, dev); |
2160 | ||
2161 | return 0; | |
2162 | ||
7ff93f8b | 2163 | err_port: |
b4f77264 | 2164 | for (--port; port >= 1; --port) |
7ff93f8b YP |
2165 | mlx4_cleanup_port_info(&priv->port[port]); |
2166 | ||
f2a3f6a3 | 2167 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
2168 | mlx4_cleanup_mcg_table(dev); |
2169 | mlx4_cleanup_qp_table(dev); | |
2170 | mlx4_cleanup_srq_table(dev); | |
2171 | mlx4_cleanup_cq_table(dev); | |
2172 | mlx4_cmd_use_polling(dev); | |
2173 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 2174 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 2175 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
2176 | mlx4_cleanup_pd_table(dev); |
2177 | mlx4_cleanup_uar_table(dev); | |
2178 | ||
b12d93d6 | 2179 | err_steer: |
ab9c17a0 JM |
2180 | if (!mlx4_is_slave(dev)) |
2181 | mlx4_clear_steering(dev); | |
b12d93d6 | 2182 | |
b8dd786f YP |
2183 | err_free_eq: |
2184 | mlx4_free_eq_table(dev); | |
2185 | ||
ab9c17a0 JM |
2186 | err_master_mfunc: |
2187 | if (mlx4_is_master(dev)) | |
2188 | mlx4_multi_func_cleanup(dev); | |
2189 | ||
225c7b1f | 2190 | err_close: |
08fb1055 MT |
2191 | if (dev->flags & MLX4_FLAG_MSI_X) |
2192 | pci_disable_msix(pdev); | |
2193 | ||
225c7b1f RD |
2194 | mlx4_close_hca(dev); |
2195 | ||
ab9c17a0 JM |
2196 | err_mfunc: |
2197 | if (mlx4_is_slave(dev)) | |
2198 | mlx4_multi_func_cleanup(dev); | |
2199 | ||
225c7b1f RD |
2200 | err_cmd: |
2201 | mlx4_cmd_cleanup(dev); | |
2202 | ||
ab9c17a0 | 2203 | err_sriov: |
681372a7 | 2204 | if (dev->flags & MLX4_FLAG_SRIOV) |
ab9c17a0 JM |
2205 | pci_disable_sriov(pdev); |
2206 | ||
2207 | err_rel_own: | |
2208 | if (!mlx4_is_slave(dev)) | |
2209 | mlx4_free_ownership(dev); | |
2210 | ||
225c7b1f | 2211 | err_free_dev: |
225c7b1f RD |
2212 | kfree(priv); |
2213 | ||
a01df0fe RD |
2214 | err_release_regions: |
2215 | pci_release_regions(pdev); | |
225c7b1f RD |
2216 | |
2217 | err_disable_pdev: | |
2218 | pci_disable_device(pdev); | |
2219 | pci_set_drvdata(pdev, NULL); | |
2220 | return err; | |
2221 | } | |
2222 | ||
3d73c288 RD |
2223 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
2224 | const struct pci_device_id *id) | |
2225 | { | |
0a645e80 | 2226 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 2227 | |
b027cacd | 2228 | return __mlx4_init_one(pdev, id); |
3d73c288 RD |
2229 | } |
2230 | ||
2231 | static void mlx4_remove_one(struct pci_dev *pdev) | |
225c7b1f RD |
2232 | { |
2233 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
2234 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2235 | int p; | |
2236 | ||
2237 | if (dev) { | |
ab9c17a0 JM |
2238 | /* in SRIOV it is not allowed to unload the pf's |
2239 | * driver while there are alive vf's */ | |
2240 | if (mlx4_is_master(dev)) { | |
2241 | if (mlx4_how_many_lives_vf(dev)) | |
2242 | printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n"); | |
2243 | } | |
27bf91d6 | 2244 | mlx4_stop_sense(dev); |
225c7b1f RD |
2245 | mlx4_unregister_device(dev); |
2246 | ||
7ff93f8b YP |
2247 | for (p = 1; p <= dev->caps.num_ports; p++) { |
2248 | mlx4_cleanup_port_info(&priv->port[p]); | |
225c7b1f | 2249 | mlx4_CLOSE_PORT(dev, p); |
7ff93f8b | 2250 | } |
225c7b1f | 2251 | |
b8924951 JM |
2252 | if (mlx4_is_master(dev)) |
2253 | mlx4_free_resource_tracker(dev, | |
2254 | RES_TR_FREE_SLAVES_ONLY); | |
2255 | ||
f2a3f6a3 | 2256 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
2257 | mlx4_cleanup_mcg_table(dev); |
2258 | mlx4_cleanup_qp_table(dev); | |
2259 | mlx4_cleanup_srq_table(dev); | |
2260 | mlx4_cleanup_cq_table(dev); | |
2261 | mlx4_cmd_use_polling(dev); | |
2262 | mlx4_cleanup_eq_table(dev); | |
225c7b1f | 2263 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 2264 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
2265 | mlx4_cleanup_pd_table(dev); |
2266 | ||
ab9c17a0 | 2267 | if (mlx4_is_master(dev)) |
b8924951 JM |
2268 | mlx4_free_resource_tracker(dev, |
2269 | RES_TR_FREE_STRUCTS_ONLY); | |
ab9c17a0 | 2270 | |
225c7b1f RD |
2271 | iounmap(priv->kar); |
2272 | mlx4_uar_free(dev, &priv->driver_uar); | |
2273 | mlx4_cleanup_uar_table(dev); | |
ab9c17a0 JM |
2274 | if (!mlx4_is_slave(dev)) |
2275 | mlx4_clear_steering(dev); | |
b8dd786f | 2276 | mlx4_free_eq_table(dev); |
ab9c17a0 JM |
2277 | if (mlx4_is_master(dev)) |
2278 | mlx4_multi_func_cleanup(dev); | |
225c7b1f | 2279 | mlx4_close_hca(dev); |
ab9c17a0 JM |
2280 | if (mlx4_is_slave(dev)) |
2281 | mlx4_multi_func_cleanup(dev); | |
225c7b1f RD |
2282 | mlx4_cmd_cleanup(dev); |
2283 | ||
2284 | if (dev->flags & MLX4_FLAG_MSI_X) | |
2285 | pci_disable_msix(pdev); | |
681372a7 | 2286 | if (dev->flags & MLX4_FLAG_SRIOV) { |
84b1f153 | 2287 | mlx4_warn(dev, "Disabling SR-IOV\n"); |
ab9c17a0 JM |
2288 | pci_disable_sriov(pdev); |
2289 | } | |
225c7b1f | 2290 | |
ab9c17a0 JM |
2291 | if (!mlx4_is_slave(dev)) |
2292 | mlx4_free_ownership(dev); | |
47605df9 JM |
2293 | |
2294 | kfree(dev->caps.qp0_tunnel); | |
2295 | kfree(dev->caps.qp0_proxy); | |
2296 | kfree(dev->caps.qp1_tunnel); | |
2297 | kfree(dev->caps.qp1_proxy); | |
2298 | ||
225c7b1f | 2299 | kfree(priv); |
a01df0fe | 2300 | pci_release_regions(pdev); |
225c7b1f RD |
2301 | pci_disable_device(pdev); |
2302 | pci_set_drvdata(pdev, NULL); | |
2303 | } | |
2304 | } | |
2305 | ||
ee49bd93 JM |
2306 | int mlx4_restart_one(struct pci_dev *pdev) |
2307 | { | |
2308 | mlx4_remove_one(pdev); | |
3d73c288 | 2309 | return __mlx4_init_one(pdev, NULL); |
ee49bd93 JM |
2310 | } |
2311 | ||
a3aa1884 | 2312 | static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { |
ab9c17a0 JM |
2313 | /* MT25408 "Hermon" SDR */ |
2314 | { PCI_VDEVICE(MELLANOX, 0x6340), 0 }, | |
2315 | /* MT25408 "Hermon" DDR */ | |
2316 | { PCI_VDEVICE(MELLANOX, 0x634a), 0 }, | |
2317 | /* MT25408 "Hermon" QDR */ | |
2318 | { PCI_VDEVICE(MELLANOX, 0x6354), 0 }, | |
2319 | /* MT25408 "Hermon" DDR PCIe gen2 */ | |
2320 | { PCI_VDEVICE(MELLANOX, 0x6732), 0 }, | |
2321 | /* MT25408 "Hermon" QDR PCIe gen2 */ | |
2322 | { PCI_VDEVICE(MELLANOX, 0x673c), 0 }, | |
2323 | /* MT25408 "Hermon" EN 10GigE */ | |
2324 | { PCI_VDEVICE(MELLANOX, 0x6368), 0 }, | |
2325 | /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ | |
2326 | { PCI_VDEVICE(MELLANOX, 0x6750), 0 }, | |
2327 | /* MT25458 ConnectX EN 10GBASE-T 10GigE */ | |
2328 | { PCI_VDEVICE(MELLANOX, 0x6372), 0 }, | |
2329 | /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ | |
2330 | { PCI_VDEVICE(MELLANOX, 0x675a), 0 }, | |
2331 | /* MT26468 ConnectX EN 10GigE PCIe gen2*/ | |
2332 | { PCI_VDEVICE(MELLANOX, 0x6764), 0 }, | |
2333 | /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ | |
2334 | { PCI_VDEVICE(MELLANOX, 0x6746), 0 }, | |
2335 | /* MT26478 ConnectX2 40GigE PCIe gen2 */ | |
2336 | { PCI_VDEVICE(MELLANOX, 0x676e), 0 }, | |
2337 | /* MT25400 Family [ConnectX-2 Virtual Function] */ | |
2338 | { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_VF }, | |
2339 | /* MT27500 Family [ConnectX-3] */ | |
2340 | { PCI_VDEVICE(MELLANOX, 0x1003), 0 }, | |
2341 | /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
2342 | { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_VF }, | |
2343 | { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */ | |
2344 | { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */ | |
2345 | { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */ | |
2346 | { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */ | |
2347 | { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */ | |
2348 | { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */ | |
2349 | { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */ | |
2350 | { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */ | |
2351 | { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */ | |
2352 | { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */ | |
2353 | { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */ | |
2354 | { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */ | |
225c7b1f RD |
2355 | { 0, } |
2356 | }; | |
2357 | ||
2358 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
2359 | ||
57dbf29a KSS |
2360 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
2361 | pci_channel_state_t state) | |
2362 | { | |
2363 | mlx4_remove_one(pdev); | |
2364 | ||
2365 | return state == pci_channel_io_perm_failure ? | |
2366 | PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; | |
2367 | } | |
2368 | ||
2369 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) | |
2370 | { | |
2371 | int ret = __mlx4_init_one(pdev, NULL); | |
2372 | ||
2373 | return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
2374 | } | |
2375 | ||
2376 | static struct pci_error_handlers mlx4_err_handler = { | |
2377 | .error_detected = mlx4_pci_err_detected, | |
2378 | .slot_reset = mlx4_pci_slot_reset, | |
2379 | }; | |
2380 | ||
225c7b1f RD |
2381 | static struct pci_driver mlx4_driver = { |
2382 | .name = DRV_NAME, | |
2383 | .id_table = mlx4_pci_table, | |
2384 | .probe = mlx4_init_one, | |
57dbf29a KSS |
2385 | .remove = __devexit_p(mlx4_remove_one), |
2386 | .err_handler = &mlx4_err_handler, | |
225c7b1f RD |
2387 | }; |
2388 | ||
7ff93f8b YP |
2389 | static int __init mlx4_verify_params(void) |
2390 | { | |
2391 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
0a645e80 | 2392 | pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
2393 | return -1; |
2394 | } | |
2395 | ||
cb29688a OG |
2396 | if (log_num_vlan != 0) |
2397 | pr_warning("mlx4_core: log_num_vlan - obsolete module param, using %d\n", | |
2398 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 2399 | |
0498628f | 2400 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
0a645e80 | 2401 | pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); |
ab6bf42e EC |
2402 | return -1; |
2403 | } | |
2404 | ||
ab9c17a0 JM |
2405 | /* Check if module param for ports type has legal combination */ |
2406 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
2407 | printk(KERN_WARNING "Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); | |
2408 | port_type_array[0] = true; | |
2409 | } | |
2410 | ||
7ff93f8b YP |
2411 | return 0; |
2412 | } | |
2413 | ||
225c7b1f RD |
2414 | static int __init mlx4_init(void) |
2415 | { | |
2416 | int ret; | |
2417 | ||
7ff93f8b YP |
2418 | if (mlx4_verify_params()) |
2419 | return -EINVAL; | |
2420 | ||
27bf91d6 YP |
2421 | mlx4_catas_init(); |
2422 | ||
2423 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
2424 | if (!mlx4_wq) | |
2425 | return -ENOMEM; | |
ee49bd93 | 2426 | |
225c7b1f RD |
2427 | ret = pci_register_driver(&mlx4_driver); |
2428 | return ret < 0 ? ret : 0; | |
2429 | } | |
2430 | ||
2431 | static void __exit mlx4_cleanup(void) | |
2432 | { | |
2433 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 2434 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
2435 | } |
2436 | ||
2437 | module_init(mlx4_init); | |
2438 | module_exit(mlx4_cleanup); |