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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> |
b046ffe5 | 44 | #include <linux/kmod.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 | ||
dd41cc3b | 80 | static uint8_t num_vfs[3] = {0, 0, 0}; |
effa4bc4 | 81 | static int num_vfs_argc; |
dd41cc3b MB |
82 | module_param_array(num_vfs, byte , &num_vfs_argc, 0444); |
83 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0\n" | |
84 | "num_vfs=port1,port2,port1+2"); | |
85 | ||
86 | static uint8_t probe_vf[3] = {0, 0, 0}; | |
effa4bc4 | 87 | static int probe_vfs_argc; |
dd41cc3b MB |
88 | module_param_array(probe_vf, byte, &probe_vfs_argc, 0444); |
89 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n" | |
90 | "probe_vf=port1,port2,port1+2"); | |
ab9c17a0 | 91 | |
3c439b55 | 92 | int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
0ec2c0f8 EE |
93 | module_param_named(log_num_mgm_entry_size, |
94 | mlx4_log_num_mgm_entry_size, int, 0444); | |
95 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
96 | " of qp per mcg, for example:" | |
3c439b55 | 97 | " 10 gives 248.range: 7 <=" |
0ff1fb65 | 98 | " log_num_mgm_entry_size <= 12." |
3c439b55 JM |
99 | " To activate device managed" |
100 | " flow steering when available, set to -1"); | |
0ec2c0f8 | 101 | |
be902ab1 | 102 | static bool enable_64b_cqe_eqe = true; |
08ff3235 OG |
103 | module_param(enable_64b_cqe_eqe, bool, 0444); |
104 | MODULE_PARM_DESC(enable_64b_cqe_eqe, | |
be902ab1 | 105 | "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)"); |
08ff3235 | 106 | |
77507aa2 IS |
107 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
108 | MLX4_FUNC_CAP_EQE_CQE_STRIDE) | |
ab9c17a0 | 109 | |
f57e6848 | 110 | static char mlx4_version[] = |
225c7b1f RD |
111 | DRV_NAME ": Mellanox ConnectX core driver v" |
112 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
113 | ||
114 | static struct mlx4_profile default_profile = { | |
ab9c17a0 | 115 | .num_qp = 1 << 18, |
225c7b1f | 116 | .num_srq = 1 << 16, |
c9f2ba5e | 117 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
118 | .num_cq = 1 << 16, |
119 | .num_mcg = 1 << 13, | |
ab9c17a0 | 120 | .num_mpt = 1 << 19, |
9fd7a1e1 | 121 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
225c7b1f RD |
122 | }; |
123 | ||
2599d858 AV |
124 | static struct mlx4_profile low_mem_profile = { |
125 | .num_qp = 1 << 17, | |
126 | .num_srq = 1 << 6, | |
127 | .rdmarc_per_qp = 1 << 4, | |
128 | .num_cq = 1 << 8, | |
129 | .num_mcg = 1 << 8, | |
130 | .num_mpt = 1 << 9, | |
131 | .num_mtt = 1 << 7, | |
132 | }; | |
133 | ||
ab9c17a0 | 134 | static int log_num_mac = 7; |
93fc9e1b YP |
135 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
136 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
137 | ||
138 | static int log_num_vlan; | |
139 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
140 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
141 | /* Log2 max number of VLANs per ETH port (0-7) */ |
142 | #define MLX4_LOG_NUM_VLANS 7 | |
2599d858 AV |
143 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
144 | #define MLX4_MIN_LOG_NUM_MAC 1 | |
93fc9e1b | 145 | |
eb939922 | 146 | static bool use_prio; |
93fc9e1b | 147 | module_param_named(use_prio, use_prio, bool, 0444); |
ecc8fb11 | 148 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports (deprecated)"); |
93fc9e1b | 149 | |
2b8fb286 | 150 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
ab6bf42e | 151 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
0498628f | 152 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 153 | |
8d0fc7b6 | 154 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
ab9c17a0 JM |
155 | static int arr_argc = 2; |
156 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
8d0fc7b6 YP |
157 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
158 | "1 for IB, 2 for Ethernet"); | |
ab9c17a0 JM |
159 | |
160 | struct mlx4_port_config { | |
161 | struct list_head list; | |
162 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
163 | struct pci_dev *pdev; | |
164 | }; | |
165 | ||
97989356 AV |
166 | static atomic_t pf_loading = ATOMIC_INIT(0); |
167 | ||
27bf91d6 YP |
168 | int mlx4_check_port_params(struct mlx4_dev *dev, |
169 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
170 | { |
171 | int i; | |
172 | ||
173 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
27bf91d6 YP |
174 | if (port_type[i] != port_type[i + 1]) { |
175 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { | |
1a91de28 | 176 | mlx4_err(dev, "Only same port types supported on this HCA, aborting\n"); |
27bf91d6 YP |
177 | return -EINVAL; |
178 | } | |
7ff93f8b YP |
179 | } |
180 | } | |
7ff93f8b YP |
181 | |
182 | for (i = 0; i < dev->caps.num_ports; i++) { | |
183 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
1a91de28 JP |
184 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
185 | i + 1); | |
7ff93f8b YP |
186 | return -EINVAL; |
187 | } | |
188 | } | |
189 | return 0; | |
190 | } | |
191 | ||
192 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
193 | { | |
194 | int i; | |
195 | ||
7ff93f8b | 196 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 197 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 198 | } |
f2a3f6a3 | 199 | |
77507aa2 IS |
200 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
201 | { | |
202 | struct mlx4_caps *dev_cap = &dev->caps; | |
203 | ||
204 | /* FW not supporting or cancelled by user */ | |
205 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || | |
206 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) | |
207 | return; | |
208 | ||
209 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride | |
210 | * When FW has NCSI it may decide not to report 64B CQE/EQEs | |
211 | */ | |
212 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || | |
213 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { | |
214 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
215 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
216 | return; | |
217 | } | |
218 | ||
219 | if (cache_line_size() == 128 || cache_line_size() == 256) { | |
220 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); | |
221 | /* Changing the real data inside CQE size to 32B */ | |
222 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
223 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
224 | ||
225 | if (mlx4_is_master(dev)) | |
226 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; | |
227 | } else { | |
228 | mlx4_dbg(dev, "Disabling CQE stride cacheLine unsupported\n"); | |
229 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
230 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
231 | } | |
232 | } | |
233 | ||
3d73c288 | 234 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
235 | { |
236 | int err; | |
5ae2a7a8 | 237 | int i; |
225c7b1f RD |
238 | |
239 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
240 | if (err) { | |
1a91de28 | 241 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
225c7b1f RD |
242 | return err; |
243 | } | |
244 | ||
245 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
1a91de28 | 246 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
225c7b1f RD |
247 | dev_cap->min_page_sz, PAGE_SIZE); |
248 | return -ENODEV; | |
249 | } | |
250 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
1a91de28 | 251 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
225c7b1f RD |
252 | dev_cap->num_ports, MLX4_MAX_PORTS); |
253 | return -ENODEV; | |
254 | } | |
255 | ||
256 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
1a91de28 | 257 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
225c7b1f RD |
258 | dev_cap->uar_size, |
259 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
260 | return -ENODEV; | |
261 | } | |
262 | ||
263 | dev->caps.num_ports = dev_cap->num_ports; | |
3fc929e2 | 264 | dev->phys_caps.num_phys_eqs = MLX4_MAX_EQ_NUM; |
5ae2a7a8 RD |
265 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
266 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
b79acb49 | 267 | dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i]; |
6634961c JM |
268 | dev->phys_caps.gid_phys_table_len[i] = dev_cap->max_gids[i]; |
269 | dev->phys_caps.pkey_phys_table_len[i] = dev_cap->max_pkeys[i]; | |
270 | /* set gid and pkey table operating lengths by default | |
271 | * to non-sriov values */ | |
5ae2a7a8 RD |
272 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; |
273 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; | |
274 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; | |
b79acb49 YP |
275 | dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i]; |
276 | dev->caps.def_mac[i] = dev_cap->def_mac[i]; | |
7ff93f8b | 277 | dev->caps.supported_type[i] = dev_cap->supported_port_types[i]; |
8d0fc7b6 YP |
278 | dev->caps.suggested_type[i] = dev_cap->suggested_type[i]; |
279 | dev->caps.default_sense[i] = dev_cap->default_sense[i]; | |
7699517d YP |
280 | dev->caps.trans_type[i] = dev_cap->trans_type[i]; |
281 | dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i]; | |
282 | dev->caps.wavelength[i] = dev_cap->wavelength[i]; | |
283 | dev->caps.trans_code[i] = dev_cap->trans_code[i]; | |
5ae2a7a8 RD |
284 | } |
285 | ||
ab9c17a0 | 286 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 287 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
288 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
289 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
290 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
291 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
292 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
293 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
294 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
295 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
296 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
297 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
298 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
299 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
225c7b1f RD |
300 | /* |
301 | * Subtract 1 from the limit because we need to allocate a | |
302 | * spare CQE so the HCA HW can tell the difference between an | |
303 | * empty CQ and a full CQ. | |
304 | */ | |
305 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
306 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
307 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 308 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 309 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 JM |
310 | |
311 | /* The first 128 UARs are used for EQ doorbells */ | |
312 | dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); | |
225c7b1f | 313 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
314 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
315 | dev_cap->reserved_xrcds : 0; | |
316 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
317 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
318 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
319 | ||
149983af | 320 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
321 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
322 | dev->caps.flags = dev_cap->flags; | |
b3416f44 | 323 | dev->caps.flags2 = dev_cap->flags2; |
95d04f07 RD |
324 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
325 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 326 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 327 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
b3416f44 | 328 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
225c7b1f | 329 | |
ca3e57a5 RD |
330 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
331 | if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) | |
58a60168 | 332 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
aadf4f3f RD |
333 | /* Don't do sense port on multifunction devices (for now at least) */ |
334 | if (mlx4_is_mfunc(dev)) | |
335 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; | |
58a60168 | 336 | |
2599d858 AV |
337 | if (mlx4_low_memory_profile()) { |
338 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; | |
339 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; | |
340 | } else { | |
341 | dev->caps.log_num_macs = log_num_mac; | |
342 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; | |
343 | } | |
93fc9e1b YP |
344 | |
345 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
346 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
347 | if (dev->caps.supported_type[i]) { | |
348 | /* if only ETH is supported - assign ETH */ | |
349 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
350 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
105c320f | 351 | /* if only IB is supported, assign IB */ |
ab9c17a0 | 352 | else if (dev->caps.supported_type[i] == |
105c320f JM |
353 | MLX4_PORT_TYPE_IB) |
354 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 355 | else { |
105c320f JM |
356 | /* if IB and ETH are supported, we set the port |
357 | * type according to user selection of port type; | |
358 | * if user selected none, take the FW hint */ | |
359 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) | |
8d0fc7b6 YP |
360 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
361 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 362 | else |
105c320f | 363 | dev->caps.port_type[i] = port_type_array[i - 1]; |
ab9c17a0 JM |
364 | } |
365 | } | |
8d0fc7b6 YP |
366 | /* |
367 | * Link sensing is allowed on the port if 3 conditions are true: | |
368 | * 1. Both protocols are supported on the port. | |
369 | * 2. Different types are supported on the port | |
370 | * 3. FW declared that it supports link sensing | |
371 | */ | |
27bf91d6 | 372 | mlx4_priv(dev)->sense.sense_allowed[i] = |
58a60168 | 373 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
8d0fc7b6 | 374 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
58a60168 | 375 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
7ff93f8b | 376 | |
8d0fc7b6 YP |
377 | /* |
378 | * If "default_sense" bit is set, we move the port to "AUTO" mode | |
379 | * and perform sense_port FW command to try and set the correct | |
380 | * port type from beginning | |
381 | */ | |
46c46747 | 382 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
8d0fc7b6 YP |
383 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
384 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; | |
385 | mlx4_SENSE_PORT(dev, i, &sensed_port); | |
386 | if (sensed_port != MLX4_PORT_TYPE_NONE) | |
387 | dev->caps.port_type[i] = sensed_port; | |
388 | } else { | |
389 | dev->caps.possible_type[i] = dev->caps.port_type[i]; | |
390 | } | |
391 | ||
93fc9e1b YP |
392 | if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) { |
393 | dev->caps.log_num_macs = dev_cap->log_max_macs[i]; | |
1a91de28 | 394 | mlx4_warn(dev, "Requested number of MACs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
395 | i, 1 << dev->caps.log_num_macs); |
396 | } | |
397 | if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) { | |
398 | dev->caps.log_num_vlans = dev_cap->log_max_vlans[i]; | |
1a91de28 | 399 | mlx4_warn(dev, "Requested number of VLANs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
400 | i, 1 << dev->caps.log_num_vlans); |
401 | } | |
402 | } | |
403 | ||
f2a3f6a3 OG |
404 | dev->caps.max_counters = 1 << ilog2(dev_cap->max_counters); |
405 | ||
93fc9e1b YP |
406 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
407 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
408 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
409 | (1 << dev->caps.log_num_macs) * | |
410 | (1 << dev->caps.log_num_vlans) * | |
93fc9e1b YP |
411 | dev->caps.num_ports; |
412 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
413 | ||
414 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
415 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
416 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
417 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
418 | ||
e2c76824 | 419 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
08ff3235 | 420 | |
b3051320 | 421 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
08ff3235 OG |
422 | if (dev_cap->flags & |
423 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { | |
424 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); | |
425 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
426 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
427 | } | |
77507aa2 IS |
428 | |
429 | if (dev_cap->flags2 & | |
430 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | | |
431 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { | |
432 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); | |
433 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
434 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
435 | } | |
08ff3235 OG |
436 | } |
437 | ||
f97b4b5d | 438 | if ((dev->caps.flags & |
08ff3235 OG |
439 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
440 | mlx4_is_master(dev)) | |
441 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; | |
442 | ||
77507aa2 IS |
443 | if (!mlx4_is_slave(dev)) |
444 | mlx4_enable_cqe_eqe_stride(dev); | |
445 | ||
225c7b1f RD |
446 | return 0; |
447 | } | |
b912b2f8 EP |
448 | |
449 | static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev, | |
450 | enum pci_bus_speed *speed, | |
451 | enum pcie_link_width *width) | |
452 | { | |
453 | u32 lnkcap1, lnkcap2; | |
454 | int err1, err2; | |
455 | ||
456 | #define PCIE_MLW_CAP_SHIFT 4 /* start of MLW mask in link capabilities */ | |
457 | ||
458 | *speed = PCI_SPEED_UNKNOWN; | |
459 | *width = PCIE_LNK_WIDTH_UNKNOWN; | |
460 | ||
461 | err1 = pcie_capability_read_dword(dev->pdev, PCI_EXP_LNKCAP, &lnkcap1); | |
462 | err2 = pcie_capability_read_dword(dev->pdev, PCI_EXP_LNKCAP2, &lnkcap2); | |
463 | if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */ | |
464 | if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) | |
465 | *speed = PCIE_SPEED_8_0GT; | |
466 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) | |
467 | *speed = PCIE_SPEED_5_0GT; | |
468 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) | |
469 | *speed = PCIE_SPEED_2_5GT; | |
470 | } | |
471 | if (!err1) { | |
472 | *width = (lnkcap1 & PCI_EXP_LNKCAP_MLW) >> PCIE_MLW_CAP_SHIFT; | |
473 | if (!lnkcap2) { /* pre-r3.0 */ | |
474 | if (lnkcap1 & PCI_EXP_LNKCAP_SLS_5_0GB) | |
475 | *speed = PCIE_SPEED_5_0GT; | |
476 | else if (lnkcap1 & PCI_EXP_LNKCAP_SLS_2_5GB) | |
477 | *speed = PCIE_SPEED_2_5GT; | |
478 | } | |
479 | } | |
480 | ||
481 | if (*speed == PCI_SPEED_UNKNOWN || *width == PCIE_LNK_WIDTH_UNKNOWN) { | |
482 | return err1 ? err1 : | |
483 | err2 ? err2 : -EINVAL; | |
484 | } | |
485 | return 0; | |
486 | } | |
487 | ||
488 | static void mlx4_check_pcie_caps(struct mlx4_dev *dev) | |
489 | { | |
490 | enum pcie_link_width width, width_cap; | |
491 | enum pci_bus_speed speed, speed_cap; | |
492 | int err; | |
493 | ||
494 | #define PCIE_SPEED_STR(speed) \ | |
495 | (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : \ | |
496 | speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : \ | |
497 | speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : \ | |
498 | "Unknown") | |
499 | ||
500 | err = mlx4_get_pcie_dev_link_caps(dev, &speed_cap, &width_cap); | |
501 | if (err) { | |
502 | mlx4_warn(dev, | |
503 | "Unable to determine PCIe device BW capabilities\n"); | |
504 | return; | |
505 | } | |
506 | ||
507 | err = pcie_get_minimum_link(dev->pdev, &speed, &width); | |
508 | if (err || speed == PCI_SPEED_UNKNOWN || | |
509 | width == PCIE_LNK_WIDTH_UNKNOWN) { | |
510 | mlx4_warn(dev, | |
511 | "Unable to determine PCI device chain minimum BW\n"); | |
512 | return; | |
513 | } | |
514 | ||
515 | if (width != width_cap || speed != speed_cap) | |
516 | mlx4_warn(dev, | |
517 | "PCIe BW is different than device's capability\n"); | |
518 | ||
519 | mlx4_info(dev, "PCIe link speed is %s, device supports %s\n", | |
520 | PCIE_SPEED_STR(speed), PCIE_SPEED_STR(speed_cap)); | |
521 | mlx4_info(dev, "PCIe link width is x%d, device supports x%d\n", | |
522 | width, width_cap); | |
523 | return; | |
524 | } | |
525 | ||
ab9c17a0 JM |
526 | /*The function checks if there are live vf, return the num of them*/ |
527 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
528 | { | |
529 | struct mlx4_priv *priv = mlx4_priv(dev); | |
530 | struct mlx4_slave_state *s_state; | |
531 | int i; | |
532 | int ret = 0; | |
533 | ||
534 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
535 | s_state = &priv->mfunc.master.slave_state[i]; | |
536 | if (s_state->active && s_state->last_cmd != | |
537 | MLX4_COMM_CMD_RESET) { | |
538 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
539 | __func__, i); | |
540 | ret++; | |
541 | } | |
542 | } | |
543 | return ret; | |
544 | } | |
545 | ||
396f2feb JM |
546 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
547 | { | |
548 | u32 qk = MLX4_RESERVED_QKEY_BASE; | |
47605df9 JM |
549 | |
550 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || | |
551 | qpn < dev->phys_caps.base_proxy_sqpn) | |
396f2feb JM |
552 | return -EINVAL; |
553 | ||
47605df9 | 554 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
396f2feb | 555 | /* tunnel qp */ |
47605df9 | 556 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
396f2feb | 557 | else |
47605df9 | 558 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
396f2feb JM |
559 | *qkey = qk; |
560 | return 0; | |
561 | } | |
562 | EXPORT_SYMBOL(mlx4_get_parav_qkey); | |
563 | ||
54679e14 JM |
564 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
565 | { | |
566 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
567 | ||
568 | if (!mlx4_is_master(dev)) | |
569 | return; | |
570 | ||
571 | priv->virt2phys_pkey[slave][port - 1][i] = val; | |
572 | } | |
573 | EXPORT_SYMBOL(mlx4_sync_pkey_table); | |
574 | ||
afa8fd1d JM |
575 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
576 | { | |
577 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
578 | ||
579 | if (!mlx4_is_master(dev)) | |
580 | return; | |
581 | ||
582 | priv->slave_node_guids[slave] = guid; | |
583 | } | |
584 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); | |
585 | ||
586 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) | |
587 | { | |
588 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
589 | ||
590 | if (!mlx4_is_master(dev)) | |
591 | return 0; | |
592 | ||
593 | return priv->slave_node_guids[slave]; | |
594 | } | |
595 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); | |
596 | ||
e10903b0 | 597 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
ab9c17a0 JM |
598 | { |
599 | struct mlx4_priv *priv = mlx4_priv(dev); | |
600 | struct mlx4_slave_state *s_slave; | |
601 | ||
602 | if (!mlx4_is_master(dev)) | |
603 | return 0; | |
604 | ||
605 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
606 | return !!s_slave->active; | |
607 | } | |
608 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
609 | ||
7b8157be JM |
610 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
611 | struct mlx4_dev_cap *dev_cap, | |
612 | struct mlx4_init_hca_param *hca_param) | |
613 | { | |
614 | dev->caps.steering_mode = hca_param->steering_mode; | |
615 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
616 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
617 | dev->caps.fs_log_max_ucast_qp_range_size = | |
618 | dev_cap->fs_log_max_ucast_qp_range_size; | |
619 | } else | |
620 | dev->caps.num_qp_per_mgm = | |
621 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); | |
622 | ||
623 | mlx4_dbg(dev, "Steering mode is: %s\n", | |
624 | mlx4_steering_mode_str(dev->caps.steering_mode)); | |
625 | } | |
626 | ||
ab9c17a0 JM |
627 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
628 | { | |
629 | int err; | |
630 | u32 page_size; | |
631 | struct mlx4_dev_cap dev_cap; | |
632 | struct mlx4_func_cap func_cap; | |
633 | struct mlx4_init_hca_param hca_param; | |
225c6c8c | 634 | u8 i; |
ab9c17a0 JM |
635 | |
636 | memset(&hca_param, 0, sizeof(hca_param)); | |
637 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
638 | if (err) { | |
1a91de28 | 639 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
ab9c17a0 JM |
640 | return err; |
641 | } | |
642 | ||
483e0132 EP |
643 | /* fail if the hca has an unknown global capability |
644 | * at this time global_caps should be always zeroed | |
645 | */ | |
646 | if (hca_param.global_caps) { | |
ab9c17a0 JM |
647 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
648 | return -ENOSYS; | |
649 | } | |
650 | ||
651 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; | |
652 | ||
ddd8a6c1 EE |
653 | dev->caps.hca_core_clock = hca_param.hca_core_clock; |
654 | ||
ab9c17a0 | 655 | memset(&dev_cap, 0, sizeof(dev_cap)); |
b91cb3eb | 656 | dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp; |
ab9c17a0 JM |
657 | err = mlx4_dev_cap(dev, &dev_cap); |
658 | if (err) { | |
1a91de28 | 659 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
ab9c17a0 JM |
660 | return err; |
661 | } | |
662 | ||
b91cb3eb JM |
663 | err = mlx4_QUERY_FW(dev); |
664 | if (err) | |
1a91de28 | 665 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version\n"); |
b91cb3eb | 666 | |
ab9c17a0 JM |
667 | page_size = ~dev->caps.page_size_cap + 1; |
668 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
669 | if (page_size > PAGE_SIZE) { | |
1a91de28 | 670 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
ab9c17a0 JM |
671 | page_size, PAGE_SIZE); |
672 | return -ENODEV; | |
673 | } | |
674 | ||
675 | /* slave gets uar page size from QUERY_HCA fw command */ | |
676 | dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); | |
677 | ||
678 | /* TODO: relax this assumption */ | |
679 | if (dev->caps.uar_page_size != PAGE_SIZE) { | |
680 | mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", | |
681 | dev->caps.uar_page_size, PAGE_SIZE); | |
682 | return -ENODEV; | |
683 | } | |
684 | ||
685 | memset(&func_cap, 0, sizeof(func_cap)); | |
47605df9 | 686 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
ab9c17a0 | 687 | if (err) { |
1a91de28 JP |
688 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
689 | err); | |
ab9c17a0 JM |
690 | return err; |
691 | } | |
692 | ||
693 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != | |
694 | PF_CONTEXT_BEHAVIOUR_MASK) { | |
695 | mlx4_err(dev, "Unknown pf context behaviour\n"); | |
696 | return -ENOSYS; | |
697 | } | |
698 | ||
ab9c17a0 | 699 | dev->caps.num_ports = func_cap.num_ports; |
5a0d0a61 JM |
700 | dev->quotas.qp = func_cap.qp_quota; |
701 | dev->quotas.srq = func_cap.srq_quota; | |
702 | dev->quotas.cq = func_cap.cq_quota; | |
703 | dev->quotas.mpt = func_cap.mpt_quota; | |
704 | dev->quotas.mtt = func_cap.mtt_quota; | |
705 | dev->caps.num_qps = 1 << hca_param.log_num_qps; | |
706 | dev->caps.num_srqs = 1 << hca_param.log_num_srqs; | |
707 | dev->caps.num_cqs = 1 << hca_param.log_num_cqs; | |
708 | dev->caps.num_mpts = 1 << hca_param.log_mpt_sz; | |
709 | dev->caps.num_eqs = func_cap.max_eq; | |
710 | dev->caps.reserved_eqs = func_cap.reserved_eq; | |
ab9c17a0 JM |
711 | dev->caps.num_pds = MLX4_NUM_PDS; |
712 | dev->caps.num_mgms = 0; | |
713 | dev->caps.num_amgms = 0; | |
714 | ||
ab9c17a0 | 715 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
1a91de28 JP |
716 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
717 | dev->caps.num_ports, MLX4_MAX_PORTS); | |
ab9c17a0 JM |
718 | return -ENODEV; |
719 | } | |
720 | ||
99ec41d0 | 721 | dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL); |
47605df9 JM |
722 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
723 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
724 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
725 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
726 | ||
727 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || | |
99ec41d0 JM |
728 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy || |
729 | !dev->caps.qp0_qkey) { | |
47605df9 JM |
730 | err = -ENOMEM; |
731 | goto err_mem; | |
732 | } | |
733 | ||
6634961c | 734 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
225c6c8c | 735 | err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap); |
47605df9 | 736 | if (err) { |
1a91de28 JP |
737 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", |
738 | i, err); | |
47605df9 JM |
739 | goto err_mem; |
740 | } | |
99ec41d0 | 741 | dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey; |
47605df9 JM |
742 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; |
743 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; | |
744 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; | |
745 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; | |
6230bb23 | 746 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
8e1a28e8 | 747 | dev->caps.phys_port_id[i] = func_cap.phys_port_id; |
6634961c JM |
748 | if (mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
749 | &dev->caps.gid_table_len[i], | |
750 | &dev->caps.pkey_table_len[i])) | |
47605df9 | 751 | goto err_mem; |
6634961c | 752 | } |
6230bb23 | 753 | |
ab9c17a0 JM |
754 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
755 | dev->caps.reserved_uars) > | |
756 | pci_resource_len(dev->pdev, 2)) { | |
1a91de28 | 757 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
ab9c17a0 JM |
758 | dev->caps.uar_page_size * dev->caps.num_uars, |
759 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
47605df9 | 760 | goto err_mem; |
ab9c17a0 JM |
761 | } |
762 | ||
08ff3235 OG |
763 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
764 | dev->caps.eqe_size = 64; | |
765 | dev->caps.eqe_factor = 1; | |
766 | } else { | |
767 | dev->caps.eqe_size = 32; | |
768 | dev->caps.eqe_factor = 0; | |
769 | } | |
770 | ||
771 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { | |
772 | dev->caps.cqe_size = 64; | |
77507aa2 | 773 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
774 | } else { |
775 | dev->caps.cqe_size = 32; | |
776 | } | |
777 | ||
77507aa2 IS |
778 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
779 | dev->caps.eqe_size = hca_param.eqe_size; | |
780 | dev->caps.eqe_factor = 0; | |
781 | } | |
782 | ||
783 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { | |
784 | dev->caps.cqe_size = hca_param.cqe_size; | |
785 | /* User still need to know when CQE > 32B */ | |
786 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
787 | } | |
788 | ||
f9bd2d7f | 789 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
1a91de28 | 790 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
f9bd2d7f | 791 | |
7b8157be JM |
792 | slave_adjust_steering_mode(dev, &dev_cap, &hca_param); |
793 | ||
ab9c17a0 | 794 | return 0; |
47605df9 JM |
795 | |
796 | err_mem: | |
99ec41d0 | 797 | kfree(dev->caps.qp0_qkey); |
47605df9 JM |
798 | kfree(dev->caps.qp0_tunnel); |
799 | kfree(dev->caps.qp0_proxy); | |
800 | kfree(dev->caps.qp1_tunnel); | |
801 | kfree(dev->caps.qp1_proxy); | |
99ec41d0 JM |
802 | dev->caps.qp0_qkey = NULL; |
803 | dev->caps.qp0_tunnel = NULL; | |
804 | dev->caps.qp0_proxy = NULL; | |
805 | dev->caps.qp1_tunnel = NULL; | |
806 | dev->caps.qp1_proxy = NULL; | |
47605df9 JM |
807 | |
808 | return err; | |
ab9c17a0 | 809 | } |
225c7b1f | 810 | |
b046ffe5 EP |
811 | static void mlx4_request_modules(struct mlx4_dev *dev) |
812 | { | |
813 | int port; | |
814 | int has_ib_port = false; | |
815 | int has_eth_port = false; | |
816 | #define EN_DRV_NAME "mlx4_en" | |
817 | #define IB_DRV_NAME "mlx4_ib" | |
818 | ||
819 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
820 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) | |
821 | has_ib_port = true; | |
822 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) | |
823 | has_eth_port = true; | |
824 | } | |
825 | ||
b046ffe5 EP |
826 | if (has_eth_port) |
827 | request_module_nowait(EN_DRV_NAME); | |
f24f790f OG |
828 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
829 | request_module_nowait(IB_DRV_NAME); | |
b046ffe5 EP |
830 | } |
831 | ||
7ff93f8b YP |
832 | /* |
833 | * Change the port configuration of the device. | |
834 | * Every user of this function must hold the port mutex. | |
835 | */ | |
27bf91d6 YP |
836 | int mlx4_change_port_types(struct mlx4_dev *dev, |
837 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
838 | { |
839 | int err = 0; | |
840 | int change = 0; | |
841 | int port; | |
842 | ||
843 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
844 | /* Change the port type only if the new type is different |
845 | * from the current, and not set to Auto */ | |
3d8f9308 | 846 | if (port_types[port] != dev->caps.port_type[port + 1]) |
7ff93f8b | 847 | change = 1; |
7ff93f8b YP |
848 | } |
849 | if (change) { | |
850 | mlx4_unregister_device(dev); | |
851 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
852 | mlx4_CLOSE_PORT(dev, port); | |
1e0f03d5 | 853 | dev->caps.port_type[port] = port_types[port - 1]; |
6634961c | 854 | err = mlx4_SET_PORT(dev, port, -1); |
7ff93f8b | 855 | if (err) { |
1a91de28 JP |
856 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
857 | port); | |
7ff93f8b YP |
858 | goto out; |
859 | } | |
860 | } | |
861 | mlx4_set_port_mask(dev); | |
862 | err = mlx4_register_device(dev); | |
b046ffe5 EP |
863 | if (err) { |
864 | mlx4_err(dev, "Failed to register device\n"); | |
865 | goto out; | |
866 | } | |
867 | mlx4_request_modules(dev); | |
7ff93f8b YP |
868 | } |
869 | ||
870 | out: | |
871 | return err; | |
872 | } | |
873 | ||
874 | static ssize_t show_port_type(struct device *dev, | |
875 | struct device_attribute *attr, | |
876 | char *buf) | |
877 | { | |
878 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
879 | port_attr); | |
880 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
881 | char type[8]; |
882 | ||
883 | sprintf(type, "%s", | |
884 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
885 | "ib" : "eth"); | |
886 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
887 | sprintf(buf, "auto (%s)\n", type); | |
888 | else | |
889 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 890 | |
27bf91d6 | 891 | return strlen(buf); |
7ff93f8b YP |
892 | } |
893 | ||
894 | static ssize_t set_port_type(struct device *dev, | |
895 | struct device_attribute *attr, | |
896 | const char *buf, size_t count) | |
897 | { | |
898 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
899 | port_attr); | |
900 | struct mlx4_dev *mdev = info->dev; | |
901 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
902 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 903 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
0a984556 | 904 | static DEFINE_MUTEX(set_port_type_mutex); |
7ff93f8b YP |
905 | int i; |
906 | int err = 0; | |
907 | ||
0a984556 AV |
908 | mutex_lock(&set_port_type_mutex); |
909 | ||
7ff93f8b YP |
910 | if (!strcmp(buf, "ib\n")) |
911 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
912 | else if (!strcmp(buf, "eth\n")) | |
913 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
914 | else if (!strcmp(buf, "auto\n")) |
915 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
916 | else { |
917 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
0a984556 AV |
918 | err = -EINVAL; |
919 | goto err_out; | |
7ff93f8b YP |
920 | } |
921 | ||
27bf91d6 | 922 | mlx4_stop_sense(mdev); |
7ff93f8b | 923 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
924 | /* Possible type is always the one that was delivered */ |
925 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
926 | ||
927 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 928 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
929 | mdev->caps.possible_type[i+1]; |
930 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
931 | types[i] = mdev->caps.port_type[i+1]; | |
932 | } | |
7ff93f8b | 933 | |
58a60168 YP |
934 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
935 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { | |
27bf91d6 YP |
936 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
937 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
938 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
939 | err = -EINVAL; | |
940 | } | |
941 | } | |
942 | } | |
943 | if (err) { | |
1a91de28 | 944 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. Set only 'eth' or 'ib' for both ports (should be the same)\n"); |
27bf91d6 YP |
945 | goto out; |
946 | } | |
947 | ||
948 | mlx4_do_sense_ports(mdev, new_types, types); | |
949 | ||
950 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
951 | if (err) |
952 | goto out; | |
953 | ||
27bf91d6 YP |
954 | /* We are about to apply the changes after the configuration |
955 | * was verified, no need to remember the temporary types | |
956 | * any more */ | |
957 | for (i = 0; i < mdev->caps.num_ports; i++) | |
958 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 959 | |
27bf91d6 | 960 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
961 | |
962 | out: | |
27bf91d6 | 963 | mlx4_start_sense(mdev); |
7ff93f8b | 964 | mutex_unlock(&priv->port_mutex); |
0a984556 AV |
965 | err_out: |
966 | mutex_unlock(&set_port_type_mutex); | |
967 | ||
7ff93f8b YP |
968 | return err ? err : count; |
969 | } | |
970 | ||
096335b3 OG |
971 | enum ibta_mtu { |
972 | IB_MTU_256 = 1, | |
973 | IB_MTU_512 = 2, | |
974 | IB_MTU_1024 = 3, | |
975 | IB_MTU_2048 = 4, | |
976 | IB_MTU_4096 = 5 | |
977 | }; | |
978 | ||
979 | static inline int int_to_ibta_mtu(int mtu) | |
980 | { | |
981 | switch (mtu) { | |
982 | case 256: return IB_MTU_256; | |
983 | case 512: return IB_MTU_512; | |
984 | case 1024: return IB_MTU_1024; | |
985 | case 2048: return IB_MTU_2048; | |
986 | case 4096: return IB_MTU_4096; | |
987 | default: return -1; | |
988 | } | |
989 | } | |
990 | ||
991 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) | |
992 | { | |
993 | switch (mtu) { | |
994 | case IB_MTU_256: return 256; | |
995 | case IB_MTU_512: return 512; | |
996 | case IB_MTU_1024: return 1024; | |
997 | case IB_MTU_2048: return 2048; | |
998 | case IB_MTU_4096: return 4096; | |
999 | default: return -1; | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | static ssize_t show_port_ib_mtu(struct device *dev, | |
1004 | struct device_attribute *attr, | |
1005 | char *buf) | |
1006 | { | |
1007 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1008 | port_mtu_attr); | |
1009 | struct mlx4_dev *mdev = info->dev; | |
1010 | ||
1011 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) | |
1012 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1013 | ||
1014 | sprintf(buf, "%d\n", | |
1015 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); | |
1016 | return strlen(buf); | |
1017 | } | |
1018 | ||
1019 | static ssize_t set_port_ib_mtu(struct device *dev, | |
1020 | struct device_attribute *attr, | |
1021 | const char *buf, size_t count) | |
1022 | { | |
1023 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1024 | port_mtu_attr); | |
1025 | struct mlx4_dev *mdev = info->dev; | |
1026 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1027 | int err, port, mtu, ibta_mtu = -1; | |
1028 | ||
1029 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { | |
1030 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1031 | return -EINVAL; | |
1032 | } | |
1033 | ||
618fad95 DB |
1034 | err = kstrtoint(buf, 0, &mtu); |
1035 | if (!err) | |
096335b3 OG |
1036 | ibta_mtu = int_to_ibta_mtu(mtu); |
1037 | ||
618fad95 | 1038 | if (err || ibta_mtu < 0) { |
096335b3 OG |
1039 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
1040 | return -EINVAL; | |
1041 | } | |
1042 | ||
1043 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; | |
1044 | ||
1045 | mlx4_stop_sense(mdev); | |
1046 | mutex_lock(&priv->port_mutex); | |
1047 | mlx4_unregister_device(mdev); | |
1048 | for (port = 1; port <= mdev->caps.num_ports; port++) { | |
1049 | mlx4_CLOSE_PORT(mdev, port); | |
6634961c | 1050 | err = mlx4_SET_PORT(mdev, port, -1); |
096335b3 | 1051 | if (err) { |
1a91de28 JP |
1052 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
1053 | port); | |
096335b3 OG |
1054 | goto err_set_port; |
1055 | } | |
1056 | } | |
1057 | err = mlx4_register_device(mdev); | |
1058 | err_set_port: | |
1059 | mutex_unlock(&priv->port_mutex); | |
1060 | mlx4_start_sense(mdev); | |
1061 | return err ? err : count; | |
1062 | } | |
1063 | ||
e8f9b2ed | 1064 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
1065 | { |
1066 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1067 | int err; | |
1068 | ||
1069 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 1070 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1071 | if (!priv->fw.fw_icm) { |
1a91de28 | 1072 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
225c7b1f RD |
1073 | return -ENOMEM; |
1074 | } | |
1075 | ||
1076 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
1077 | if (err) { | |
1a91de28 | 1078 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
225c7b1f RD |
1079 | goto err_free; |
1080 | } | |
1081 | ||
1082 | err = mlx4_RUN_FW(dev); | |
1083 | if (err) { | |
1a91de28 | 1084 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
225c7b1f RD |
1085 | goto err_unmap_fa; |
1086 | } | |
1087 | ||
1088 | return 0; | |
1089 | ||
1090 | err_unmap_fa: | |
1091 | mlx4_UNMAP_FA(dev); | |
1092 | ||
1093 | err_free: | |
5b0bf5e2 | 1094 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
1095 | return err; |
1096 | } | |
1097 | ||
e8f9b2ed RD |
1098 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
1099 | int cmpt_entry_sz) | |
225c7b1f RD |
1100 | { |
1101 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1102 | int err; | |
ab9c17a0 | 1103 | int num_eqs; |
225c7b1f RD |
1104 | |
1105 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
1106 | cmpt_base + | |
1107 | ((u64) (MLX4_CMPT_TYPE_QP * | |
1108 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1109 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
1110 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1111 | 0, 0); | |
225c7b1f RD |
1112 | if (err) |
1113 | goto err; | |
1114 | ||
1115 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
1116 | cmpt_base + | |
1117 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
1118 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1119 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 1120 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
1121 | if (err) |
1122 | goto err_qp; | |
1123 | ||
1124 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
1125 | cmpt_base + | |
1126 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
1127 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1128 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 1129 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
1130 | if (err) |
1131 | goto err_srq; | |
1132 | ||
3fc929e2 MA |
1133 | num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs : |
1134 | dev->caps.num_eqs; | |
225c7b1f RD |
1135 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
1136 | cmpt_base + | |
1137 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
1138 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 1139 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
1140 | if (err) |
1141 | goto err_cq; | |
1142 | ||
1143 | return 0; | |
1144 | ||
1145 | err_cq: | |
1146 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1147 | ||
1148 | err_srq: | |
1149 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1150 | ||
1151 | err_qp: | |
1152 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1153 | ||
1154 | err: | |
1155 | return err; | |
1156 | } | |
1157 | ||
3d73c288 RD |
1158 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
1159 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
1160 | { |
1161 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1162 | u64 aux_pages; | |
ab9c17a0 | 1163 | int num_eqs; |
225c7b1f RD |
1164 | int err; |
1165 | ||
1166 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
1167 | if (err) { | |
1a91de28 | 1168 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
225c7b1f RD |
1169 | return err; |
1170 | } | |
1171 | ||
1a91de28 | 1172 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory\n", |
225c7b1f RD |
1173 | (unsigned long long) icm_size >> 10, |
1174 | (unsigned long long) aux_pages << 2); | |
1175 | ||
1176 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 1177 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1178 | if (!priv->fw.aux_icm) { |
1a91de28 | 1179 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
225c7b1f RD |
1180 | return -ENOMEM; |
1181 | } | |
1182 | ||
1183 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
1184 | if (err) { | |
1a91de28 | 1185 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
225c7b1f RD |
1186 | goto err_free_aux; |
1187 | } | |
1188 | ||
1189 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
1190 | if (err) { | |
1a91de28 | 1191 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
225c7b1f RD |
1192 | goto err_unmap_aux; |
1193 | } | |
1194 | ||
ab9c17a0 | 1195 | |
3fc929e2 MA |
1196 | num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs : |
1197 | dev->caps.num_eqs; | |
fa0681d2 RD |
1198 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
1199 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 1200 | num_eqs, num_eqs, 0, 0); |
225c7b1f | 1201 | if (err) { |
1a91de28 | 1202 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
225c7b1f RD |
1203 | goto err_unmap_cmpt; |
1204 | } | |
1205 | ||
d7bb58fb JM |
1206 | /* |
1207 | * Reserved MTT entries must be aligned up to a cacheline | |
1208 | * boundary, since the FW will write to them, while the driver | |
1209 | * writes to all other MTT entries. (The variable | |
1210 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
1211 | * size, not the raw entry size) | |
1212 | */ | |
1213 | dev->caps.reserved_mtts = | |
1214 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
1215 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
1216 | ||
225c7b1f RD |
1217 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
1218 | init_hca->mtt_base, | |
1219 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 1220 | dev->caps.num_mtts, |
5b0bf5e2 | 1221 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f | 1222 | if (err) { |
1a91de28 | 1223 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
225c7b1f RD |
1224 | goto err_unmap_eq; |
1225 | } | |
1226 | ||
1227 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
1228 | init_hca->dmpt_base, | |
1229 | dev_cap->dmpt_entry_sz, | |
1230 | dev->caps.num_mpts, | |
5b0bf5e2 | 1231 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f | 1232 | if (err) { |
1a91de28 | 1233 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
225c7b1f RD |
1234 | goto err_unmap_mtt; |
1235 | } | |
1236 | ||
1237 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
1238 | init_hca->qpc_base, | |
1239 | dev_cap->qpc_entry_sz, | |
1240 | dev->caps.num_qps, | |
93fc9e1b YP |
1241 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1242 | 0, 0); | |
225c7b1f | 1243 | if (err) { |
1a91de28 | 1244 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
225c7b1f RD |
1245 | goto err_unmap_dmpt; |
1246 | } | |
1247 | ||
1248 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
1249 | init_hca->auxc_base, | |
1250 | dev_cap->aux_entry_sz, | |
1251 | dev->caps.num_qps, | |
93fc9e1b YP |
1252 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1253 | 0, 0); | |
225c7b1f | 1254 | if (err) { |
1a91de28 | 1255 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
225c7b1f RD |
1256 | goto err_unmap_qp; |
1257 | } | |
1258 | ||
1259 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
1260 | init_hca->altc_base, | |
1261 | dev_cap->altc_entry_sz, | |
1262 | dev->caps.num_qps, | |
93fc9e1b YP |
1263 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1264 | 0, 0); | |
225c7b1f | 1265 | if (err) { |
1a91de28 | 1266 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
225c7b1f RD |
1267 | goto err_unmap_auxc; |
1268 | } | |
1269 | ||
1270 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
1271 | init_hca->rdmarc_base, | |
1272 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
1273 | dev->caps.num_qps, | |
93fc9e1b YP |
1274 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1275 | 0, 0); | |
225c7b1f RD |
1276 | if (err) { |
1277 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
1278 | goto err_unmap_altc; | |
1279 | } | |
1280 | ||
1281 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
1282 | init_hca->cqc_base, | |
1283 | dev_cap->cqc_entry_sz, | |
1284 | dev->caps.num_cqs, | |
5b0bf5e2 | 1285 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f | 1286 | if (err) { |
1a91de28 | 1287 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
225c7b1f RD |
1288 | goto err_unmap_rdmarc; |
1289 | } | |
1290 | ||
1291 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
1292 | init_hca->srqc_base, | |
1293 | dev_cap->srq_entry_sz, | |
1294 | dev->caps.num_srqs, | |
5b0bf5e2 | 1295 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f | 1296 | if (err) { |
1a91de28 | 1297 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
225c7b1f RD |
1298 | goto err_unmap_cq; |
1299 | } | |
1300 | ||
1301 | /* | |
0ff1fb65 HHZ |
1302 | * For flow steering device managed mode it is required to use |
1303 | * mlx4_init_icm_table. For B0 steering mode it's not strictly | |
1304 | * required, but for simplicity just map the whole multicast | |
1305 | * group table now. The table isn't very big and it's a lot | |
1306 | * easier than trying to track ref counts. | |
225c7b1f RD |
1307 | */ |
1308 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
1309 | init_hca->mc_base, |
1310 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
1311 | dev->caps.num_mgms + dev->caps.num_amgms, |
1312 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 1313 | 0, 0); |
225c7b1f | 1314 | if (err) { |
1a91de28 | 1315 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
225c7b1f RD |
1316 | goto err_unmap_srq; |
1317 | } | |
1318 | ||
1319 | return 0; | |
1320 | ||
1321 | err_unmap_srq: | |
1322 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1323 | ||
1324 | err_unmap_cq: | |
1325 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1326 | ||
1327 | err_unmap_rdmarc: | |
1328 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1329 | ||
1330 | err_unmap_altc: | |
1331 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1332 | ||
1333 | err_unmap_auxc: | |
1334 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1335 | ||
1336 | err_unmap_qp: | |
1337 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1338 | ||
1339 | err_unmap_dmpt: | |
1340 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1341 | ||
1342 | err_unmap_mtt: | |
1343 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
1344 | ||
1345 | err_unmap_eq: | |
fa0681d2 | 1346 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1347 | |
1348 | err_unmap_cmpt: | |
1349 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
1350 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1351 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1352 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1353 | ||
1354 | err_unmap_aux: | |
1355 | mlx4_UNMAP_ICM_AUX(dev); | |
1356 | ||
1357 | err_free_aux: | |
5b0bf5e2 | 1358 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1359 | |
1360 | return err; | |
1361 | } | |
1362 | ||
1363 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
1364 | { | |
1365 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1366 | ||
1367 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
1368 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1369 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1370 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1371 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1372 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1373 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1374 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1375 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 1376 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1377 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
1378 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1379 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1380 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
1381 | |
1382 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 1383 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1384 | } |
1385 | ||
ab9c17a0 JM |
1386 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
1387 | { | |
1388 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1389 | ||
f3d4c89e | 1390 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1391 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_TIME)) |
1a91de28 | 1392 | mlx4_warn(dev, "Failed to close slave function\n"); |
f3d4c89e | 1393 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1394 | } |
1395 | ||
c1b43dca EC |
1396 | static int map_bf_area(struct mlx4_dev *dev) |
1397 | { | |
1398 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1399 | resource_size_t bf_start; | |
1400 | resource_size_t bf_len; | |
1401 | int err = 0; | |
1402 | ||
3d747473 JM |
1403 | if (!dev->caps.bf_reg_size) |
1404 | return -ENXIO; | |
1405 | ||
ab9c17a0 JM |
1406 | bf_start = pci_resource_start(dev->pdev, 2) + |
1407 | (dev->caps.num_uars << PAGE_SHIFT); | |
1408 | bf_len = pci_resource_len(dev->pdev, 2) - | |
1409 | (dev->caps.num_uars << PAGE_SHIFT); | |
c1b43dca EC |
1410 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
1411 | if (!priv->bf_mapping) | |
1412 | err = -ENOMEM; | |
1413 | ||
1414 | return err; | |
1415 | } | |
1416 | ||
1417 | static void unmap_bf_area(struct mlx4_dev *dev) | |
1418 | { | |
1419 | if (mlx4_priv(dev)->bf_mapping) | |
1420 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
1421 | } | |
1422 | ||
ec693d47 AV |
1423 | cycle_t mlx4_read_clock(struct mlx4_dev *dev) |
1424 | { | |
1425 | u32 clockhi, clocklo, clockhi1; | |
1426 | cycle_t cycles; | |
1427 | int i; | |
1428 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1429 | ||
1430 | for (i = 0; i < 10; i++) { | |
1431 | clockhi = swab32(readl(priv->clock_mapping)); | |
1432 | clocklo = swab32(readl(priv->clock_mapping + 4)); | |
1433 | clockhi1 = swab32(readl(priv->clock_mapping)); | |
1434 | if (clockhi == clockhi1) | |
1435 | break; | |
1436 | } | |
1437 | ||
1438 | cycles = (u64) clockhi << 32 | (u64) clocklo; | |
1439 | ||
1440 | return cycles; | |
1441 | } | |
1442 | EXPORT_SYMBOL_GPL(mlx4_read_clock); | |
1443 | ||
1444 | ||
ddd8a6c1 EE |
1445 | static int map_internal_clock(struct mlx4_dev *dev) |
1446 | { | |
1447 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1448 | ||
1449 | priv->clock_mapping = | |
1450 | ioremap(pci_resource_start(dev->pdev, priv->fw.clock_bar) + | |
1451 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); | |
1452 | ||
1453 | if (!priv->clock_mapping) | |
1454 | return -ENOMEM; | |
1455 | ||
1456 | return 0; | |
1457 | } | |
1458 | ||
1459 | static void unmap_internal_clock(struct mlx4_dev *dev) | |
1460 | { | |
1461 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1462 | ||
1463 | if (priv->clock_mapping) | |
1464 | iounmap(priv->clock_mapping); | |
1465 | } | |
1466 | ||
225c7b1f RD |
1467 | static void mlx4_close_hca(struct mlx4_dev *dev) |
1468 | { | |
ddd8a6c1 | 1469 | unmap_internal_clock(dev); |
c1b43dca | 1470 | unmap_bf_area(dev); |
ab9c17a0 JM |
1471 | if (mlx4_is_slave(dev)) |
1472 | mlx4_slave_exit(dev); | |
1473 | else { | |
1474 | mlx4_CLOSE_HCA(dev, 0); | |
1475 | mlx4_free_icms(dev); | |
a0eacca9 MB |
1476 | } |
1477 | } | |
1478 | ||
1479 | static void mlx4_close_fw(struct mlx4_dev *dev) | |
1480 | { | |
1481 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
1482 | mlx4_UNMAP_FA(dev); |
1483 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | static int mlx4_init_slave(struct mlx4_dev *dev) | |
1488 | { | |
1489 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1490 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
ab9c17a0 JM |
1491 | int ret_from_reset = 0; |
1492 | u32 slave_read; | |
1493 | u32 cmd_channel_ver; | |
1494 | ||
97989356 | 1495 | if (atomic_read(&pf_loading)) { |
1a91de28 | 1496 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
97989356 AV |
1497 | return -EPROBE_DEFER; |
1498 | } | |
1499 | ||
f3d4c89e | 1500 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1501 | priv->cmd.max_cmds = 1; |
1502 | mlx4_warn(dev, "Sending reset\n"); | |
1503 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
1504 | MLX4_COMM_TIME); | |
1505 | /* if we are in the middle of flr the slave will try | |
1506 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
1507 | if (ret_from_reset) { | |
1508 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1a91de28 | 1509 | mlx4_warn(dev, "slave is currently in the middle of FLR - Deferring probe\n"); |
5efe5355 JM |
1510 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
1511 | return -EPROBE_DEFER; | |
ab9c17a0 JM |
1512 | } else |
1513 | goto err; | |
1514 | } | |
1515 | ||
1516 | /* check the driver version - the slave I/F revision | |
1517 | * must match the master's */ | |
1518 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
1519 | cmd_channel_ver = mlx4_comm_get_version(); | |
1520 | ||
1521 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
1522 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1a91de28 | 1523 | mlx4_err(dev, "slave driver version is not supported by the master\n"); |
ab9c17a0 JM |
1524 | goto err; |
1525 | } | |
1526 | ||
1527 | mlx4_warn(dev, "Sending vhcr0\n"); | |
1528 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
1529 | MLX4_COMM_TIME)) | |
1530 | goto err; | |
1531 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
1532 | MLX4_COMM_TIME)) | |
1533 | goto err; | |
1534 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
1535 | MLX4_COMM_TIME)) | |
1536 | goto err; | |
1537 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, MLX4_COMM_TIME)) | |
1538 | goto err; | |
f3d4c89e RD |
1539 | |
1540 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
ab9c17a0 JM |
1541 | return 0; |
1542 | ||
1543 | err: | |
1544 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, 0); | |
f3d4c89e | 1545 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1546 | return -EIO; |
225c7b1f RD |
1547 | } |
1548 | ||
6634961c JM |
1549 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
1550 | { | |
1551 | int i; | |
1552 | ||
1553 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
b6ffaeff JM |
1554 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
1555 | dev->caps.gid_table_len[i] = | |
449fc488 | 1556 | mlx4_get_slave_num_gids(dev, 0, i); |
b6ffaeff JM |
1557 | else |
1558 | dev->caps.gid_table_len[i] = 1; | |
6634961c JM |
1559 | dev->caps.pkey_table_len[i] = |
1560 | dev->phys_caps.pkey_phys_table_len[i] - 1; | |
1561 | } | |
1562 | } | |
1563 | ||
3c439b55 JM |
1564 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
1565 | { | |
1566 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; | |
1567 | ||
1568 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; | |
1569 | i++) { | |
1570 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) | |
1571 | break; | |
1572 | } | |
1573 | ||
1574 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; | |
1575 | } | |
1576 | ||
7b8157be JM |
1577 | static void choose_steering_mode(struct mlx4_dev *dev, |
1578 | struct mlx4_dev_cap *dev_cap) | |
1579 | { | |
3c439b55 JM |
1580 | if (mlx4_log_num_mgm_entry_size == -1 && |
1581 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && | |
7b8157be | 1582 | (!mlx4_is_mfunc(dev) || |
449fc488 | 1583 | (dev_cap->fs_max_num_qp_per_entry >= (dev->num_vfs + 1))) && |
3c439b55 JM |
1584 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
1585 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { | |
1586 | dev->oper_log_mgm_entry_size = | |
1587 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry); | |
7b8157be JM |
1588 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
1589 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
1590 | dev->caps.fs_log_max_ucast_qp_range_size = | |
1591 | dev_cap->fs_log_max_ucast_qp_range_size; | |
1592 | } else { | |
1593 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && | |
1594 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1595 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; | |
1596 | else { | |
1597 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; | |
1598 | ||
1599 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || | |
1600 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1a91de28 | 1601 | mlx4_warn(dev, "Must have both UC_STEER and MC_STEER flags set to use B0 steering - falling back to A0 steering mode\n"); |
7b8157be | 1602 | } |
3c439b55 JM |
1603 | dev->oper_log_mgm_entry_size = |
1604 | mlx4_log_num_mgm_entry_size > 0 ? | |
1605 | mlx4_log_num_mgm_entry_size : | |
1606 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; | |
7b8157be JM |
1607 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
1608 | } | |
1a91de28 | 1609 | mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, modparam log_num_mgm_entry_size = %d\n", |
3c439b55 JM |
1610 | mlx4_steering_mode_str(dev->caps.steering_mode), |
1611 | dev->oper_log_mgm_entry_size, | |
1612 | mlx4_log_num_mgm_entry_size); | |
7b8157be JM |
1613 | } |
1614 | ||
7ffdf726 OG |
1615 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
1616 | struct mlx4_dev_cap *dev_cap) | |
1617 | { | |
1618 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && | |
1619 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) | |
1620 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; | |
1621 | else | |
1622 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; | |
1623 | ||
1624 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode | |
1625 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); | |
1626 | } | |
1627 | ||
a0eacca9 | 1628 | static int mlx4_init_fw(struct mlx4_dev *dev) |
225c7b1f | 1629 | { |
2d928651 | 1630 | struct mlx4_mod_stat_cfg mlx4_cfg; |
a0eacca9 | 1631 | int err = 0; |
225c7b1f | 1632 | |
ab9c17a0 JM |
1633 | if (!mlx4_is_slave(dev)) { |
1634 | err = mlx4_QUERY_FW(dev); | |
1635 | if (err) { | |
1636 | if (err == -EACCES) | |
1a91de28 | 1637 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
ab9c17a0 | 1638 | else |
1a91de28 | 1639 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
bef772eb | 1640 | return err; |
ab9c17a0 | 1641 | } |
225c7b1f | 1642 | |
ab9c17a0 JM |
1643 | err = mlx4_load_fw(dev); |
1644 | if (err) { | |
1a91de28 | 1645 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
bef772eb | 1646 | return err; |
ab9c17a0 | 1647 | } |
225c7b1f | 1648 | |
ab9c17a0 JM |
1649 | mlx4_cfg.log_pg_sz_m = 1; |
1650 | mlx4_cfg.log_pg_sz = 0; | |
1651 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
1652 | if (err) | |
1653 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
a0eacca9 | 1654 | } |
2d928651 | 1655 | |
a0eacca9 MB |
1656 | return err; |
1657 | } | |
1658 | ||
1659 | static int mlx4_init_hca(struct mlx4_dev *dev) | |
1660 | { | |
1661 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1662 | struct mlx4_adapter adapter; | |
1663 | struct mlx4_dev_cap dev_cap; | |
1664 | struct mlx4_profile profile; | |
1665 | struct mlx4_init_hca_param init_hca; | |
1666 | u64 icm_size; | |
1667 | struct mlx4_config_dev_params params; | |
1668 | int err; | |
1669 | ||
1670 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
1671 | err = mlx4_dev_cap(dev, &dev_cap); |
1672 | if (err) { | |
1a91de28 | 1673 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
ab9c17a0 JM |
1674 | goto err_stop_fw; |
1675 | } | |
225c7b1f | 1676 | |
7b8157be | 1677 | choose_steering_mode(dev, &dev_cap); |
7ffdf726 | 1678 | choose_tunnel_offload_mode(dev, &dev_cap); |
7b8157be | 1679 | |
8e1a28e8 HHZ |
1680 | err = mlx4_get_phys_port_id(dev); |
1681 | if (err) | |
1682 | mlx4_err(dev, "Fail to get physical port id\n"); | |
1683 | ||
6634961c JM |
1684 | if (mlx4_is_master(dev)) |
1685 | mlx4_parav_master_pf_caps(dev); | |
1686 | ||
2599d858 AV |
1687 | if (mlx4_low_memory_profile()) { |
1688 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); | |
1689 | profile = low_mem_profile; | |
1690 | } else { | |
1691 | profile = default_profile; | |
1692 | } | |
0ff1fb65 HHZ |
1693 | if (dev->caps.steering_mode == |
1694 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
1695 | profile.num_mcg = MLX4_FS_NUM_MCG; | |
225c7b1f | 1696 | |
ab9c17a0 JM |
1697 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
1698 | &init_hca); | |
1699 | if ((long long) icm_size < 0) { | |
1700 | err = icm_size; | |
1701 | goto err_stop_fw; | |
1702 | } | |
225c7b1f | 1703 | |
a5bbe892 EC |
1704 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
1705 | ||
ab9c17a0 JM |
1706 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
1707 | init_hca.uar_page_sz = PAGE_SHIFT - 12; | |
e448834e SM |
1708 | init_hca.mw_enabled = 0; |
1709 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || | |
1710 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) | |
1711 | init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE; | |
c1b43dca | 1712 | |
ab9c17a0 JM |
1713 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
1714 | if (err) | |
1715 | goto err_stop_fw; | |
225c7b1f | 1716 | |
ab9c17a0 JM |
1717 | err = mlx4_INIT_HCA(dev, &init_hca); |
1718 | if (err) { | |
1a91de28 | 1719 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
ab9c17a0 JM |
1720 | goto err_free_icm; |
1721 | } | |
ddd8a6c1 EE |
1722 | /* |
1723 | * If TS is supported by FW | |
1724 | * read HCA frequency by QUERY_HCA command | |
1725 | */ | |
1726 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { | |
1727 | memset(&init_hca, 0, sizeof(init_hca)); | |
1728 | err = mlx4_QUERY_HCA(dev, &init_hca); | |
1729 | if (err) { | |
1a91de28 | 1730 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
ddd8a6c1 EE |
1731 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
1732 | } else { | |
1733 | dev->caps.hca_core_clock = | |
1734 | init_hca.hca_core_clock; | |
1735 | } | |
1736 | ||
1737 | /* In case we got HCA frequency 0 - disable timestamping | |
1738 | * to avoid dividing by zero | |
1739 | */ | |
1740 | if (!dev->caps.hca_core_clock) { | |
1741 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
1742 | mlx4_err(dev, | |
1a91de28 | 1743 | "HCA frequency is 0 - timestamping is not supported\n"); |
ddd8a6c1 EE |
1744 | } else if (map_internal_clock(dev)) { |
1745 | /* | |
1746 | * Map internal clock, | |
1747 | * in case of failure disable timestamping | |
1748 | */ | |
1749 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
1a91de28 | 1750 | mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported\n"); |
ddd8a6c1 EE |
1751 | } |
1752 | } | |
ab9c17a0 JM |
1753 | } else { |
1754 | err = mlx4_init_slave(dev); | |
1755 | if (err) { | |
5efe5355 JM |
1756 | if (err != -EPROBE_DEFER) |
1757 | mlx4_err(dev, "Failed to initialize slave\n"); | |
bef772eb | 1758 | return err; |
ab9c17a0 | 1759 | } |
225c7b1f | 1760 | |
ab9c17a0 JM |
1761 | err = mlx4_slave_cap(dev); |
1762 | if (err) { | |
1763 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
1764 | goto err_close; | |
1765 | } | |
225c7b1f RD |
1766 | } |
1767 | ||
ab9c17a0 JM |
1768 | if (map_bf_area(dev)) |
1769 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
1770 | ||
1771 | /*Only the master set the ports, all the rest got it from it.*/ | |
1772 | if (!mlx4_is_slave(dev)) | |
1773 | mlx4_set_port_mask(dev); | |
1774 | ||
225c7b1f RD |
1775 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
1776 | if (err) { | |
1a91de28 | 1777 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
bef772eb | 1778 | goto unmap_bf; |
225c7b1f RD |
1779 | } |
1780 | ||
f8c6455b SM |
1781 | /* Query CONFIG_DEV parameters */ |
1782 | err = mlx4_config_dev_retrieval(dev, ¶ms); | |
1783 | if (err && err != -ENOTSUPP) { | |
1784 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); | |
1785 | } else if (!err) { | |
1786 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; | |
1787 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; | |
1788 | } | |
225c7b1f | 1789 | priv->eq_table.inta_pin = adapter.inta_pin; |
cd9281d8 | 1790 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
1791 | |
1792 | return 0; | |
1793 | ||
bef772eb | 1794 | unmap_bf: |
ddd8a6c1 | 1795 | unmap_internal_clock(dev); |
bef772eb AY |
1796 | unmap_bf_area(dev); |
1797 | ||
b38f2879 | 1798 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 1799 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
1800 | kfree(dev->caps.qp0_tunnel); |
1801 | kfree(dev->caps.qp0_proxy); | |
1802 | kfree(dev->caps.qp1_tunnel); | |
1803 | kfree(dev->caps.qp1_proxy); | |
1804 | } | |
1805 | ||
225c7b1f | 1806 | err_close: |
41929ed2 DB |
1807 | if (mlx4_is_slave(dev)) |
1808 | mlx4_slave_exit(dev); | |
1809 | else | |
1810 | mlx4_CLOSE_HCA(dev, 0); | |
225c7b1f RD |
1811 | |
1812 | err_free_icm: | |
ab9c17a0 JM |
1813 | if (!mlx4_is_slave(dev)) |
1814 | mlx4_free_icms(dev); | |
225c7b1f RD |
1815 | |
1816 | err_stop_fw: | |
ab9c17a0 JM |
1817 | if (!mlx4_is_slave(dev)) { |
1818 | mlx4_UNMAP_FA(dev); | |
1819 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); | |
1820 | } | |
225c7b1f RD |
1821 | return err; |
1822 | } | |
1823 | ||
f2a3f6a3 OG |
1824 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
1825 | { | |
1826 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1827 | int nent; | |
1828 | ||
1829 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1830 | return -ENOENT; | |
1831 | ||
1832 | nent = dev->caps.max_counters; | |
1833 | return mlx4_bitmap_init(&priv->counters_bitmap, nent, nent - 1, 0, 0); | |
1834 | } | |
1835 | ||
1836 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
1837 | { | |
1838 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); | |
1839 | } | |
1840 | ||
ba062d52 | 1841 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
f2a3f6a3 OG |
1842 | { |
1843 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1844 | ||
1845 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
1846 | return -ENOENT; | |
1847 | ||
1848 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
1849 | if (*idx == -1) | |
1850 | return -ENOMEM; | |
1851 | ||
1852 | return 0; | |
1853 | } | |
ba062d52 JM |
1854 | |
1855 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
1856 | { | |
1857 | u64 out_param; | |
1858 | int err; | |
1859 | ||
1860 | if (mlx4_is_mfunc(dev)) { | |
1861 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, | |
1862 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, | |
1863 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); | |
1864 | if (!err) | |
1865 | *idx = get_param_l(&out_param); | |
1866 | ||
1867 | return err; | |
1868 | } | |
1869 | return __mlx4_counter_alloc(dev, idx); | |
1870 | } | |
f2a3f6a3 OG |
1871 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
1872 | ||
ba062d52 | 1873 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
f2a3f6a3 | 1874 | { |
7c6d74d2 | 1875 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
f2a3f6a3 OG |
1876 | return; |
1877 | } | |
ba062d52 JM |
1878 | |
1879 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
1880 | { | |
e7dbeba8 | 1881 | u64 in_param = 0; |
ba062d52 JM |
1882 | |
1883 | if (mlx4_is_mfunc(dev)) { | |
1884 | set_param_l(&in_param, idx); | |
1885 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, | |
1886 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, | |
1887 | MLX4_CMD_WRAPPED); | |
1888 | return; | |
1889 | } | |
1890 | __mlx4_counter_free(dev, idx); | |
1891 | } | |
f2a3f6a3 OG |
1892 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
1893 | ||
3d73c288 | 1894 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
1895 | { |
1896 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1897 | int err; | |
7ff93f8b | 1898 | int port; |
9a5aa622 | 1899 | __be32 ib_port_default_caps; |
225c7b1f | 1900 | |
225c7b1f RD |
1901 | err = mlx4_init_uar_table(dev); |
1902 | if (err) { | |
1a91de28 JP |
1903 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
1904 | return err; | |
225c7b1f RD |
1905 | } |
1906 | ||
1907 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
1908 | if (err) { | |
1a91de28 | 1909 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
225c7b1f RD |
1910 | goto err_uar_table_free; |
1911 | } | |
1912 | ||
4979d18f | 1913 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f | 1914 | if (!priv->kar) { |
1a91de28 | 1915 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
225c7b1f RD |
1916 | err = -ENOMEM; |
1917 | goto err_uar_free; | |
1918 | } | |
1919 | ||
1920 | err = mlx4_init_pd_table(dev); | |
1921 | if (err) { | |
1a91de28 | 1922 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
225c7b1f RD |
1923 | goto err_kar_unmap; |
1924 | } | |
1925 | ||
012a8ff5 SH |
1926 | err = mlx4_init_xrcd_table(dev); |
1927 | if (err) { | |
1a91de28 | 1928 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
012a8ff5 SH |
1929 | goto err_pd_table_free; |
1930 | } | |
1931 | ||
225c7b1f RD |
1932 | err = mlx4_init_mr_table(dev); |
1933 | if (err) { | |
1a91de28 | 1934 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
012a8ff5 | 1935 | goto err_xrcd_table_free; |
225c7b1f RD |
1936 | } |
1937 | ||
fe6f700d YP |
1938 | if (!mlx4_is_slave(dev)) { |
1939 | err = mlx4_init_mcg_table(dev); | |
1940 | if (err) { | |
1a91de28 | 1941 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
fe6f700d YP |
1942 | goto err_mr_table_free; |
1943 | } | |
114840c3 JM |
1944 | err = mlx4_config_mad_demux(dev); |
1945 | if (err) { | |
1946 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); | |
1947 | goto err_mcg_table_free; | |
1948 | } | |
fe6f700d YP |
1949 | } |
1950 | ||
225c7b1f RD |
1951 | err = mlx4_init_eq_table(dev); |
1952 | if (err) { | |
1a91de28 | 1953 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
fe6f700d | 1954 | goto err_mcg_table_free; |
225c7b1f RD |
1955 | } |
1956 | ||
1957 | err = mlx4_cmd_use_events(dev); | |
1958 | if (err) { | |
1a91de28 | 1959 | mlx4_err(dev, "Failed to switch to event-driven firmware commands, aborting\n"); |
225c7b1f RD |
1960 | goto err_eq_table_free; |
1961 | } | |
1962 | ||
1963 | err = mlx4_NOP(dev); | |
1964 | if (err) { | |
08fb1055 | 1965 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1a91de28 | 1966 | mlx4_warn(dev, "NOP command failed to generate MSI-X interrupt IRQ %d)\n", |
b8dd786f | 1967 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
1a91de28 | 1968 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
08fb1055 | 1969 | } else { |
1a91de28 | 1970 | mlx4_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting\n", |
b8dd786f | 1971 | priv->eq_table.eq[dev->caps.num_comp_vectors].irq); |
225c7b1f | 1972 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 1973 | } |
225c7b1f RD |
1974 | |
1975 | goto err_cmd_poll; | |
1976 | } | |
1977 | ||
1978 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
1979 | ||
1980 | err = mlx4_init_cq_table(dev); | |
1981 | if (err) { | |
1a91de28 | 1982 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
225c7b1f RD |
1983 | goto err_cmd_poll; |
1984 | } | |
1985 | ||
1986 | err = mlx4_init_srq_table(dev); | |
1987 | if (err) { | |
1a91de28 | 1988 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
225c7b1f RD |
1989 | goto err_cq_table_free; |
1990 | } | |
1991 | ||
1992 | err = mlx4_init_qp_table(dev); | |
1993 | if (err) { | |
1a91de28 | 1994 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
225c7b1f RD |
1995 | goto err_srq_table_free; |
1996 | } | |
1997 | ||
f2a3f6a3 OG |
1998 | err = mlx4_init_counters_table(dev); |
1999 | if (err && err != -ENOENT) { | |
1a91de28 | 2000 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); |
fe6f700d | 2001 | goto err_qp_table_free; |
f2a3f6a3 OG |
2002 | } |
2003 | ||
ab9c17a0 JM |
2004 | if (!mlx4_is_slave(dev)) { |
2005 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
ab9c17a0 JM |
2006 | ib_port_default_caps = 0; |
2007 | err = mlx4_get_port_ib_caps(dev, port, | |
2008 | &ib_port_default_caps); | |
2009 | if (err) | |
1a91de28 JP |
2010 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
2011 | port, err); | |
ab9c17a0 JM |
2012 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
2013 | ||
2aca1172 JM |
2014 | /* initialize per-slave default ib port capabilities */ |
2015 | if (mlx4_is_master(dev)) { | |
2016 | int i; | |
2017 | for (i = 0; i < dev->num_slaves; i++) { | |
2018 | if (i == mlx4_master_func_num(dev)) | |
2019 | continue; | |
2020 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = | |
1a91de28 | 2021 | ib_port_default_caps; |
2aca1172 JM |
2022 | } |
2023 | } | |
2024 | ||
096335b3 OG |
2025 | if (mlx4_is_mfunc(dev)) |
2026 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; | |
2027 | else | |
2028 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; | |
97285b78 | 2029 | |
6634961c JM |
2030 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
2031 | dev->caps.pkey_table_len[port] : -1); | |
ab9c17a0 JM |
2032 | if (err) { |
2033 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1a91de28 | 2034 | port); |
ab9c17a0 JM |
2035 | goto err_counters_table_free; |
2036 | } | |
7ff93f8b YP |
2037 | } |
2038 | } | |
2039 | ||
225c7b1f RD |
2040 | return 0; |
2041 | ||
f2a3f6a3 OG |
2042 | err_counters_table_free: |
2043 | mlx4_cleanup_counters_table(dev); | |
2044 | ||
225c7b1f RD |
2045 | err_qp_table_free: |
2046 | mlx4_cleanup_qp_table(dev); | |
2047 | ||
2048 | err_srq_table_free: | |
2049 | mlx4_cleanup_srq_table(dev); | |
2050 | ||
2051 | err_cq_table_free: | |
2052 | mlx4_cleanup_cq_table(dev); | |
2053 | ||
2054 | err_cmd_poll: | |
2055 | mlx4_cmd_use_polling(dev); | |
2056 | ||
2057 | err_eq_table_free: | |
2058 | mlx4_cleanup_eq_table(dev); | |
2059 | ||
fe6f700d YP |
2060 | err_mcg_table_free: |
2061 | if (!mlx4_is_slave(dev)) | |
2062 | mlx4_cleanup_mcg_table(dev); | |
2063 | ||
ee49bd93 | 2064 | err_mr_table_free: |
225c7b1f RD |
2065 | mlx4_cleanup_mr_table(dev); |
2066 | ||
012a8ff5 SH |
2067 | err_xrcd_table_free: |
2068 | mlx4_cleanup_xrcd_table(dev); | |
2069 | ||
225c7b1f RD |
2070 | err_pd_table_free: |
2071 | mlx4_cleanup_pd_table(dev); | |
2072 | ||
2073 | err_kar_unmap: | |
2074 | iounmap(priv->kar); | |
2075 | ||
2076 | err_uar_free: | |
2077 | mlx4_uar_free(dev, &priv->driver_uar); | |
2078 | ||
2079 | err_uar_table_free: | |
2080 | mlx4_cleanup_uar_table(dev); | |
2081 | return err; | |
2082 | } | |
2083 | ||
e8f9b2ed | 2084 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
2085 | { |
2086 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 2087 | struct msix_entry *entries; |
0b7ca5a9 | 2088 | int nreq = min_t(int, dev->caps.num_ports * |
bb2146bc | 2089 | min_t(int, num_online_cpus() + 1, |
90b1ebe7 | 2090 | MAX_MSIX_P_PORT) + MSIX_LEGACY_SZ, MAX_MSIX); |
225c7b1f RD |
2091 | int i; |
2092 | ||
2093 | if (msi_x) { | |
ca4c7b35 OG |
2094 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
2095 | nreq); | |
ab9c17a0 | 2096 | |
b8dd786f YP |
2097 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
2098 | if (!entries) | |
2099 | goto no_msi; | |
2100 | ||
2101 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
2102 | entries[i].entry = i; |
2103 | ||
66e2f9c1 AG |
2104 | nreq = pci_enable_msix_range(dev->pdev, entries, 2, nreq); |
2105 | ||
2106 | if (nreq < 0) { | |
5bf0da7d | 2107 | kfree(entries); |
225c7b1f | 2108 | goto no_msi; |
66e2f9c1 | 2109 | } else if (nreq < MSIX_LEGACY_SZ + |
1a91de28 | 2110 | dev->caps.num_ports * MIN_MSIX_P_PORT) { |
0b7ca5a9 YP |
2111 | /*Working in legacy mode , all EQ's shared*/ |
2112 | dev->caps.comp_pool = 0; | |
2113 | dev->caps.num_comp_vectors = nreq - 1; | |
2114 | } else { | |
2115 | dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ; | |
2116 | dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1; | |
2117 | } | |
b8dd786f | 2118 | for (i = 0; i < nreq; ++i) |
225c7b1f RD |
2119 | priv->eq_table.eq[i].irq = entries[i].vector; |
2120 | ||
2121 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
2122 | |
2123 | kfree(entries); | |
225c7b1f RD |
2124 | return; |
2125 | } | |
2126 | ||
2127 | no_msi: | |
b8dd786f | 2128 | dev->caps.num_comp_vectors = 1; |
0b7ca5a9 | 2129 | dev->caps.comp_pool = 0; |
b8dd786f YP |
2130 | |
2131 | for (i = 0; i < 2; ++i) | |
225c7b1f RD |
2132 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
2133 | } | |
2134 | ||
7ff93f8b | 2135 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
2136 | { |
2137 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 2138 | int err = 0; |
2a2336f8 YP |
2139 | |
2140 | info->dev = dev; | |
2141 | info->port = port; | |
ab9c17a0 | 2142 | if (!mlx4_is_slave(dev)) { |
ab9c17a0 JM |
2143 | mlx4_init_mac_table(dev, &info->mac_table); |
2144 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
111c6094 | 2145 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
16a10ffd | 2146 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
ab9c17a0 | 2147 | } |
7ff93f8b YP |
2148 | |
2149 | sprintf(info->dev_name, "mlx4_port%d", port); | |
2150 | info->port_attr.attr.name = info->dev_name; | |
ab9c17a0 JM |
2151 | if (mlx4_is_mfunc(dev)) |
2152 | info->port_attr.attr.mode = S_IRUGO; | |
2153 | else { | |
2154 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2155 | info->port_attr.store = set_port_type; | |
2156 | } | |
7ff93f8b | 2157 | info->port_attr.show = show_port_type; |
3691c964 | 2158 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b YP |
2159 | |
2160 | err = device_create_file(&dev->pdev->dev, &info->port_attr); | |
2161 | if (err) { | |
2162 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
2163 | info->port = -1; | |
2164 | } | |
2165 | ||
096335b3 OG |
2166 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
2167 | info->port_mtu_attr.attr.name = info->dev_mtu_name; | |
2168 | if (mlx4_is_mfunc(dev)) | |
2169 | info->port_mtu_attr.attr.mode = S_IRUGO; | |
2170 | else { | |
2171 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2172 | info->port_mtu_attr.store = set_port_ib_mtu; | |
2173 | } | |
2174 | info->port_mtu_attr.show = show_port_ib_mtu; | |
2175 | sysfs_attr_init(&info->port_mtu_attr.attr); | |
2176 | ||
2177 | err = device_create_file(&dev->pdev->dev, &info->port_mtu_attr); | |
2178 | if (err) { | |
2179 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); | |
2180 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
2181 | info->port = -1; | |
2182 | } | |
2183 | ||
7ff93f8b YP |
2184 | return err; |
2185 | } | |
2186 | ||
2187 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
2188 | { | |
2189 | if (info->port < 0) | |
2190 | return; | |
2191 | ||
2192 | device_remove_file(&info->dev->pdev->dev, &info->port_attr); | |
096335b3 | 2193 | device_remove_file(&info->dev->pdev->dev, &info->port_mtu_attr); |
2a2336f8 YP |
2194 | } |
2195 | ||
b12d93d6 YP |
2196 | static int mlx4_init_steering(struct mlx4_dev *dev) |
2197 | { | |
2198 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2199 | int num_entries = dev->caps.num_ports; | |
2200 | int i, j; | |
2201 | ||
2202 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
2203 | if (!priv->steer) | |
2204 | return -ENOMEM; | |
2205 | ||
45b51365 | 2206 | for (i = 0; i < num_entries; i++) |
b12d93d6 YP |
2207 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
2208 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
2209 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
2210 | } | |
b12d93d6 YP |
2211 | return 0; |
2212 | } | |
2213 | ||
2214 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
2215 | { | |
2216 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2217 | struct mlx4_steer_index *entry, *tmp_entry; | |
2218 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
2219 | int num_entries = dev->caps.num_ports; | |
2220 | int i, j; | |
2221 | ||
2222 | for (i = 0; i < num_entries; i++) { | |
2223 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
2224 | list_for_each_entry_safe(pqp, tmp_pqp, | |
2225 | &priv->steer[i].promisc_qps[j], | |
2226 | list) { | |
2227 | list_del(&pqp->list); | |
2228 | kfree(pqp); | |
2229 | } | |
2230 | list_for_each_entry_safe(entry, tmp_entry, | |
2231 | &priv->steer[i].steer_entries[j], | |
2232 | list) { | |
2233 | list_del(&entry->list); | |
2234 | list_for_each_entry_safe(pqp, tmp_pqp, | |
2235 | &entry->duplicates, | |
2236 | list) { | |
2237 | list_del(&pqp->list); | |
2238 | kfree(pqp); | |
2239 | } | |
2240 | kfree(entry); | |
2241 | } | |
2242 | } | |
2243 | } | |
2244 | kfree(priv->steer); | |
2245 | } | |
2246 | ||
ab9c17a0 JM |
2247 | static int extended_func_num(struct pci_dev *pdev) |
2248 | { | |
2249 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
2250 | } | |
2251 | ||
2252 | #define MLX4_OWNER_BASE 0x8069c | |
2253 | #define MLX4_OWNER_SIZE 4 | |
2254 | ||
2255 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
2256 | { | |
2257 | void __iomem *owner; | |
2258 | u32 ret; | |
2259 | ||
57dbf29a KSS |
2260 | if (pci_channel_offline(dev->pdev)) |
2261 | return -EIO; | |
2262 | ||
ab9c17a0 JM |
2263 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, |
2264 | MLX4_OWNER_SIZE); | |
2265 | if (!owner) { | |
2266 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
2267 | return -ENOMEM; | |
2268 | } | |
2269 | ||
2270 | ret = readl(owner); | |
2271 | iounmap(owner); | |
2272 | return (int) !!ret; | |
2273 | } | |
2274 | ||
2275 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
2276 | { | |
2277 | void __iomem *owner; | |
2278 | ||
57dbf29a KSS |
2279 | if (pci_channel_offline(dev->pdev)) |
2280 | return; | |
2281 | ||
ab9c17a0 JM |
2282 | owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE, |
2283 | MLX4_OWNER_SIZE); | |
2284 | if (!owner) { | |
2285 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
2286 | return; | |
2287 | } | |
2288 | writel(0, owner); | |
2289 | msleep(1000); | |
2290 | iounmap(owner); | |
2291 | } | |
2292 | ||
a0eacca9 MB |
2293 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
2294 | !!((flags) & MLX4_FLAG_MASTER)) | |
2295 | ||
2296 | static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev, | |
2297 | u8 total_vfs, int existing_vfs) | |
2298 | { | |
2299 | u64 dev_flags = dev->flags; | |
2300 | ||
2301 | dev->dev_vfs = kzalloc( | |
2302 | total_vfs * sizeof(*dev->dev_vfs), | |
2303 | GFP_KERNEL); | |
2304 | if (NULL == dev->dev_vfs) { | |
2305 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); | |
2306 | goto disable_sriov; | |
2307 | } else if (!(dev->flags & MLX4_FLAG_SRIOV)) { | |
2308 | int err = 0; | |
2309 | ||
2310 | atomic_inc(&pf_loading); | |
2311 | if (existing_vfs) { | |
2312 | if (existing_vfs != total_vfs) | |
2313 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", | |
2314 | existing_vfs, total_vfs); | |
2315 | } else { | |
2316 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); | |
2317 | err = pci_enable_sriov(pdev, total_vfs); | |
2318 | } | |
2319 | if (err) { | |
2320 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", | |
2321 | err); | |
2322 | atomic_dec(&pf_loading); | |
2323 | goto disable_sriov; | |
2324 | } else { | |
2325 | mlx4_warn(dev, "Running in master mode\n"); | |
2326 | dev_flags |= MLX4_FLAG_SRIOV | | |
2327 | MLX4_FLAG_MASTER; | |
2328 | dev_flags &= ~MLX4_FLAG_SLAVE; | |
2329 | dev->num_vfs = total_vfs; | |
2330 | } | |
2331 | } | |
2332 | return dev_flags; | |
2333 | ||
2334 | disable_sriov: | |
2335 | dev->num_vfs = 0; | |
2336 | kfree(dev->dev_vfs); | |
2337 | return dev_flags & ~MLX4_FLAG_MASTER; | |
2338 | } | |
2339 | ||
e1c00e10 MD |
2340 | static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, |
2341 | int total_vfs, int *nvfs, struct mlx4_priv *priv) | |
225c7b1f | 2342 | { |
225c7b1f | 2343 | struct mlx4_dev *dev; |
e1c00e10 | 2344 | unsigned sum = 0; |
225c7b1f | 2345 | int err; |
2a2336f8 | 2346 | int port; |
e1c00e10 | 2347 | int i; |
bbb07af4 | 2348 | int existing_vfs = 0; |
225c7b1f | 2349 | |
e1c00e10 | 2350 | dev = &priv->dev; |
225c7b1f | 2351 | |
b581401e RD |
2352 | INIT_LIST_HEAD(&priv->ctx_list); |
2353 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 2354 | |
7ff93f8b YP |
2355 | mutex_init(&priv->port_mutex); |
2356 | ||
6296883c YP |
2357 | INIT_LIST_HEAD(&priv->pgdir_list); |
2358 | mutex_init(&priv->pgdir_mutex); | |
2359 | ||
c1b43dca EC |
2360 | INIT_LIST_HEAD(&priv->bf_list); |
2361 | mutex_init(&priv->bf_mutex); | |
2362 | ||
aca7a3ac | 2363 | dev->rev_id = pdev->revision; |
6e7136ed | 2364 | dev->numa_node = dev_to_node(&pdev->dev); |
e1c00e10 | 2365 | |
ab9c17a0 | 2366 | /* Detect if this device is a virtual function */ |
839f1243 | 2367 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
ab9c17a0 JM |
2368 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
2369 | dev->flags |= MLX4_FLAG_SLAVE; | |
2370 | } else { | |
2371 | /* We reset the device and enable SRIOV only for physical | |
2372 | * devices. Try to claim ownership on the device; | |
2373 | * if already taken, skip -- do not allow multiple PFs */ | |
2374 | err = mlx4_get_ownership(dev); | |
2375 | if (err) { | |
2376 | if (err < 0) | |
e1c00e10 | 2377 | return err; |
ab9c17a0 | 2378 | else { |
1a91de28 | 2379 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
e1c00e10 | 2380 | return -EINVAL; |
ab9c17a0 JM |
2381 | } |
2382 | } | |
aca7a3ac | 2383 | |
1ab95d37 | 2384 | if (total_vfs) { |
a0eacca9 MB |
2385 | existing_vfs = pci_num_vf(pdev); |
2386 | dev->flags = MLX4_FLAG_MASTER; | |
2387 | dev->flags = mlx4_enable_sriov(dev, pdev, total_vfs, | |
2388 | existing_vfs); | |
2389 | if (!SRIOV_VALID_STATE(dev->flags)) | |
2390 | goto err_sriov; | |
ab9c17a0 JM |
2391 | } |
2392 | ||
fe6f700d YP |
2393 | atomic_set(&priv->opreq_count, 0); |
2394 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); | |
2395 | ||
ab9c17a0 JM |
2396 | /* |
2397 | * Now reset the HCA before we touch the PCI capabilities or | |
2398 | * attempt a firmware command, since a boot ROM may have left | |
2399 | * the HCA in an undefined state. | |
2400 | */ | |
2401 | err = mlx4_reset(dev); | |
2402 | if (err) { | |
1a91de28 | 2403 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
e1c00e10 | 2404 | goto err_sriov; |
ab9c17a0 | 2405 | } |
225c7b1f RD |
2406 | } |
2407 | ||
ab9c17a0 | 2408 | slave_start: |
521130d1 EE |
2409 | err = mlx4_cmd_init(dev); |
2410 | if (err) { | |
1a91de28 | 2411 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
ab9c17a0 JM |
2412 | goto err_sriov; |
2413 | } | |
2414 | ||
2415 | /* In slave functions, the communication channel must be initialized | |
2416 | * before posting commands. Also, init num_slaves before calling | |
2417 | * mlx4_init_hca */ | |
2418 | if (mlx4_is_mfunc(dev)) { | |
2419 | if (mlx4_is_master(dev)) | |
2420 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; | |
2421 | else { | |
2422 | dev->num_slaves = 0; | |
f356fcbe JM |
2423 | err = mlx4_multi_func_init(dev); |
2424 | if (err) { | |
1a91de28 | 2425 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
ab9c17a0 JM |
2426 | goto err_cmd; |
2427 | } | |
2428 | } | |
225c7b1f RD |
2429 | } |
2430 | ||
a0eacca9 MB |
2431 | err = mlx4_init_fw(dev); |
2432 | if (err) { | |
2433 | mlx4_err(dev, "Failed to init fw, aborting.\n"); | |
2434 | goto err_mfunc; | |
2435 | } | |
2436 | ||
225c7b1f | 2437 | err = mlx4_init_hca(dev); |
ab9c17a0 JM |
2438 | if (err) { |
2439 | if (err == -EACCES) { | |
2440 | /* Not primary Physical function | |
2441 | * Running in slave mode */ | |
ffc39f6d | 2442 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
a0eacca9 MB |
2443 | /* We're not a PF */ |
2444 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
2445 | if (!existing_vfs) | |
2446 | pci_disable_sriov(pdev); | |
2447 | if (mlx4_is_master(dev)) | |
2448 | atomic_dec(&pf_loading); | |
2449 | dev->flags &= ~MLX4_FLAG_SRIOV; | |
2450 | } | |
2451 | if (!mlx4_is_slave(dev)) | |
2452 | mlx4_free_ownership(dev); | |
ab9c17a0 JM |
2453 | dev->flags |= MLX4_FLAG_SLAVE; |
2454 | dev->flags &= ~MLX4_FLAG_MASTER; | |
2455 | goto slave_start; | |
2456 | } else | |
a0eacca9 | 2457 | goto err_fw; |
ab9c17a0 JM |
2458 | } |
2459 | ||
b912b2f8 EP |
2460 | /* check if the device is functioning at its maximum possible speed. |
2461 | * No return code for this call, just warn the user in case of PCI | |
2462 | * express device capabilities are under-satisfied by the bus. | |
2463 | */ | |
83d3459a EP |
2464 | if (!mlx4_is_slave(dev)) |
2465 | mlx4_check_pcie_caps(dev); | |
b912b2f8 | 2466 | |
ab9c17a0 JM |
2467 | /* In master functions, the communication channel must be initialized |
2468 | * after obtaining its address from fw */ | |
2469 | if (mlx4_is_master(dev)) { | |
e1c00e10 MD |
2470 | int ib_ports = 0; |
2471 | ||
2472 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) | |
2473 | ib_ports++; | |
2474 | ||
2475 | if (ib_ports && | |
2476 | (num_vfs_argc > 1 || probe_vfs_argc > 1)) { | |
2477 | mlx4_err(dev, | |
2478 | "Invalid syntax of num_vfs/probe_vfs with IB port - single port VFs syntax is only supported when all ports are configured as ethernet\n"); | |
2479 | err = -EINVAL; | |
2480 | goto err_close; | |
2481 | } | |
2482 | if (dev->caps.num_ports < 2 && | |
2483 | num_vfs_argc > 1) { | |
2484 | err = -EINVAL; | |
2485 | mlx4_err(dev, | |
2486 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", | |
2487 | dev->caps.num_ports); | |
ab9c17a0 JM |
2488 | goto err_close; |
2489 | } | |
e1c00e10 | 2490 | memcpy(dev->nvfs, nvfs, sizeof(dev->nvfs)); |
dd41cc3b | 2491 | |
e1c00e10 MD |
2492 | for (i = 0; i < sizeof(dev->nvfs)/sizeof(dev->nvfs[0]); i++) { |
2493 | unsigned j; | |
2494 | ||
2495 | for (j = 0; j < dev->nvfs[i]; ++sum, ++j) { | |
2496 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; | |
2497 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : | |
2498 | dev->caps.num_ports; | |
1ab95d37 MB |
2499 | } |
2500 | } | |
e1c00e10 MD |
2501 | |
2502 | /* In master functions, the communication channel | |
2503 | * must be initialized after obtaining its address from fw | |
2504 | */ | |
2505 | err = mlx4_multi_func_init(dev); | |
2506 | if (err) { | |
2507 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); | |
2508 | goto err_close; | |
2509 | } | |
ab9c17a0 | 2510 | } |
225c7b1f | 2511 | |
b8dd786f YP |
2512 | err = mlx4_alloc_eq_table(dev); |
2513 | if (err) | |
ab9c17a0 | 2514 | goto err_master_mfunc; |
b8dd786f | 2515 | |
0b7ca5a9 | 2516 | priv->msix_ctl.pool_bm = 0; |
730c41d5 | 2517 | mutex_init(&priv->msix_ctl.pool_lock); |
0b7ca5a9 | 2518 | |
08fb1055 | 2519 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
2520 | if ((mlx4_is_mfunc(dev)) && |
2521 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
f356fcbe | 2522 | err = -ENOSYS; |
1a91de28 | 2523 | mlx4_err(dev, "INTx is not supported in multi-function mode, aborting\n"); |
b12d93d6 | 2524 | goto err_free_eq; |
ab9c17a0 JM |
2525 | } |
2526 | ||
2527 | if (!mlx4_is_slave(dev)) { | |
2528 | err = mlx4_init_steering(dev); | |
2529 | if (err) | |
e1c00e10 | 2530 | goto err_disable_msix; |
ab9c17a0 | 2531 | } |
b12d93d6 | 2532 | |
225c7b1f | 2533 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
2534 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
2535 | !mlx4_is_mfunc(dev)) { | |
08fb1055 | 2536 | dev->flags &= ~MLX4_FLAG_MSI_X; |
9858d2d1 YP |
2537 | dev->caps.num_comp_vectors = 1; |
2538 | dev->caps.comp_pool = 0; | |
08fb1055 MT |
2539 | pci_disable_msix(pdev); |
2540 | err = mlx4_setup_hca(dev); | |
2541 | } | |
2542 | ||
225c7b1f | 2543 | if (err) |
b12d93d6 | 2544 | goto err_steer; |
225c7b1f | 2545 | |
5a0d0a61 JM |
2546 | mlx4_init_quotas(dev); |
2547 | ||
7ff93f8b YP |
2548 | for (port = 1; port <= dev->caps.num_ports; port++) { |
2549 | err = mlx4_init_port_info(dev, port); | |
2550 | if (err) | |
2551 | goto err_port; | |
2552 | } | |
2a2336f8 | 2553 | |
225c7b1f RD |
2554 | err = mlx4_register_device(dev); |
2555 | if (err) | |
7ff93f8b | 2556 | goto err_port; |
225c7b1f | 2557 | |
b046ffe5 EP |
2558 | mlx4_request_modules(dev); |
2559 | ||
27bf91d6 YP |
2560 | mlx4_sense_init(dev); |
2561 | mlx4_start_sense(dev); | |
2562 | ||
befdf897 | 2563 | priv->removed = 0; |
225c7b1f | 2564 | |
e1a5ddc5 AV |
2565 | if (mlx4_is_master(dev) && dev->num_vfs) |
2566 | atomic_dec(&pf_loading); | |
2567 | ||
225c7b1f RD |
2568 | return 0; |
2569 | ||
7ff93f8b | 2570 | err_port: |
b4f77264 | 2571 | for (--port; port >= 1; --port) |
7ff93f8b YP |
2572 | mlx4_cleanup_port_info(&priv->port[port]); |
2573 | ||
f2a3f6a3 | 2574 | mlx4_cleanup_counters_table(dev); |
225c7b1f RD |
2575 | mlx4_cleanup_qp_table(dev); |
2576 | mlx4_cleanup_srq_table(dev); | |
2577 | mlx4_cleanup_cq_table(dev); | |
2578 | mlx4_cmd_use_polling(dev); | |
2579 | mlx4_cleanup_eq_table(dev); | |
fe6f700d | 2580 | mlx4_cleanup_mcg_table(dev); |
225c7b1f | 2581 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 2582 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
2583 | mlx4_cleanup_pd_table(dev); |
2584 | mlx4_cleanup_uar_table(dev); | |
2585 | ||
b12d93d6 | 2586 | err_steer: |
ab9c17a0 JM |
2587 | if (!mlx4_is_slave(dev)) |
2588 | mlx4_clear_steering(dev); | |
b12d93d6 | 2589 | |
e1c00e10 MD |
2590 | err_disable_msix: |
2591 | if (dev->flags & MLX4_FLAG_MSI_X) | |
2592 | pci_disable_msix(pdev); | |
2593 | ||
b8dd786f YP |
2594 | err_free_eq: |
2595 | mlx4_free_eq_table(dev); | |
2596 | ||
ab9c17a0 JM |
2597 | err_master_mfunc: |
2598 | if (mlx4_is_master(dev)) | |
2599 | mlx4_multi_func_cleanup(dev); | |
2600 | ||
b38f2879 | 2601 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 2602 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
2603 | kfree(dev->caps.qp0_tunnel); |
2604 | kfree(dev->caps.qp0_proxy); | |
2605 | kfree(dev->caps.qp1_tunnel); | |
2606 | kfree(dev->caps.qp1_proxy); | |
2607 | } | |
2608 | ||
225c7b1f RD |
2609 | err_close: |
2610 | mlx4_close_hca(dev); | |
2611 | ||
a0eacca9 MB |
2612 | err_fw: |
2613 | mlx4_close_fw(dev); | |
2614 | ||
ab9c17a0 JM |
2615 | err_mfunc: |
2616 | if (mlx4_is_slave(dev)) | |
2617 | mlx4_multi_func_cleanup(dev); | |
2618 | ||
225c7b1f | 2619 | err_cmd: |
ffc39f6d | 2620 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
225c7b1f | 2621 | |
ab9c17a0 | 2622 | err_sriov: |
bbb07af4 | 2623 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) |
ab9c17a0 JM |
2624 | pci_disable_sriov(pdev); |
2625 | ||
e1a5ddc5 AV |
2626 | if (mlx4_is_master(dev) && dev->num_vfs) |
2627 | atomic_dec(&pf_loading); | |
2628 | ||
1ab95d37 MB |
2629 | kfree(priv->dev.dev_vfs); |
2630 | ||
e1c00e10 MD |
2631 | if (!mlx4_is_slave(dev)) |
2632 | mlx4_free_ownership(dev); | |
2633 | ||
2634 | return err; | |
2635 | } | |
2636 | ||
2637 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, | |
2638 | struct mlx4_priv *priv) | |
2639 | { | |
2640 | int err; | |
2641 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
2642 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
2643 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { | |
2644 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; | |
2645 | unsigned total_vfs = 0; | |
2646 | unsigned int i; | |
2647 | ||
2648 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); | |
2649 | ||
2650 | err = pci_enable_device(pdev); | |
2651 | if (err) { | |
2652 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); | |
2653 | return err; | |
2654 | } | |
2655 | ||
2656 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS | |
2657 | * per port, we must limit the number of VFs to 63 (since their are | |
2658 | * 128 MACs) | |
2659 | */ | |
2660 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && i < num_vfs_argc; | |
2661 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { | |
2662 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; | |
2663 | if (nvfs[i] < 0) { | |
2664 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); | |
2665 | err = -EINVAL; | |
2666 | goto err_disable_pdev; | |
2667 | } | |
2668 | } | |
2669 | for (i = 0; i < sizeof(prb_vf)/sizeof(prb_vf[0]) && i < probe_vfs_argc; | |
2670 | i++) { | |
2671 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; | |
2672 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { | |
2673 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); | |
2674 | err = -EINVAL; | |
2675 | goto err_disable_pdev; | |
2676 | } | |
2677 | } | |
2678 | if (total_vfs >= MLX4_MAX_NUM_VF) { | |
2679 | dev_err(&pdev->dev, | |
2680 | "Requested more VF's (%d) than allowed (%d)\n", | |
2681 | total_vfs, MLX4_MAX_NUM_VF - 1); | |
2682 | err = -EINVAL; | |
2683 | goto err_disable_pdev; | |
2684 | } | |
2685 | ||
2686 | for (i = 0; i < MLX4_MAX_PORTS; i++) { | |
2687 | if (nvfs[i] + nvfs[2] >= MLX4_MAX_NUM_VF_P_PORT) { | |
2688 | dev_err(&pdev->dev, | |
2689 | "Requested more VF's (%d) for port (%d) than allowed (%d)\n", | |
2690 | nvfs[i] + nvfs[2], i + 1, | |
2691 | MLX4_MAX_NUM_VF_P_PORT - 1); | |
2692 | err = -EINVAL; | |
2693 | goto err_disable_pdev; | |
2694 | } | |
2695 | } | |
2696 | ||
2697 | /* Check for BARs. */ | |
2698 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && | |
2699 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
2700 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", | |
2701 | pci_dev_data, pci_resource_flags(pdev, 0)); | |
2702 | err = -ENODEV; | |
2703 | goto err_disable_pdev; | |
2704 | } | |
2705 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
2706 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); | |
2707 | err = -ENODEV; | |
2708 | goto err_disable_pdev; | |
2709 | } | |
2710 | ||
2711 | err = pci_request_regions(pdev, DRV_NAME); | |
2712 | if (err) { | |
2713 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
2714 | goto err_disable_pdev; | |
2715 | } | |
2716 | ||
2717 | pci_set_master(pdev); | |
2718 | ||
2719 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
2720 | if (err) { | |
2721 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); | |
2722 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
2723 | if (err) { | |
2724 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); | |
2725 | goto err_release_regions; | |
2726 | } | |
2727 | } | |
2728 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
2729 | if (err) { | |
2730 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); | |
2731 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | |
2732 | if (err) { | |
2733 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); | |
2734 | goto err_release_regions; | |
2735 | } | |
2736 | } | |
2737 | ||
2738 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ | |
2739 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
2740 | /* Detect if this device is a virtual function */ | |
2741 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { | |
2742 | /* When acting as pf, we normally skip vfs unless explicitly | |
2743 | * requested to probe them. | |
2744 | */ | |
2745 | if (total_vfs) { | |
2746 | unsigned vfs_offset = 0; | |
2747 | ||
2748 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && | |
2749 | vfs_offset + nvfs[i] < extended_func_num(pdev); | |
2750 | vfs_offset += nvfs[i], i++) | |
2751 | ; | |
2752 | if (i == sizeof(nvfs)/sizeof(nvfs[0])) { | |
2753 | err = -ENODEV; | |
2754 | goto err_release_regions; | |
2755 | } | |
2756 | if ((extended_func_num(pdev) - vfs_offset) | |
2757 | > prb_vf[i]) { | |
2758 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", | |
2759 | extended_func_num(pdev)); | |
2760 | err = -ENODEV; | |
2761 | goto err_release_regions; | |
2762 | } | |
2763 | } | |
2764 | } | |
2765 | ||
2766 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv); | |
2767 | if (err) | |
2768 | goto err_release_regions; | |
2769 | return 0; | |
225c7b1f | 2770 | |
a01df0fe RD |
2771 | err_release_regions: |
2772 | pci_release_regions(pdev); | |
225c7b1f RD |
2773 | |
2774 | err_disable_pdev: | |
2775 | pci_disable_device(pdev); | |
2776 | pci_set_drvdata(pdev, NULL); | |
2777 | return err; | |
2778 | } | |
2779 | ||
1dd06ae8 | 2780 | static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
3d73c288 | 2781 | { |
befdf897 WY |
2782 | struct mlx4_priv *priv; |
2783 | struct mlx4_dev *dev; | |
e1c00e10 | 2784 | int ret; |
befdf897 | 2785 | |
0a645e80 | 2786 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 2787 | |
befdf897 WY |
2788 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
2789 | if (!priv) | |
2790 | return -ENOMEM; | |
2791 | ||
2792 | dev = &priv->dev; | |
e1c00e10 | 2793 | dev->pdev = pdev; |
befdf897 WY |
2794 | pci_set_drvdata(pdev, dev); |
2795 | priv->pci_dev_data = id->driver_data; | |
2796 | ||
e1c00e10 MD |
2797 | ret = __mlx4_init_one(pdev, id->driver_data, priv); |
2798 | if (ret) | |
2799 | kfree(priv); | |
2800 | ||
2801 | return ret; | |
3d73c288 RD |
2802 | } |
2803 | ||
e1c00e10 | 2804 | static void mlx4_unload_one(struct pci_dev *pdev) |
225c7b1f RD |
2805 | { |
2806 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
2807 | struct mlx4_priv *priv = mlx4_priv(dev); | |
befdf897 | 2808 | int pci_dev_data; |
225c7b1f | 2809 | int p; |
bbb07af4 | 2810 | int active_vfs = 0; |
225c7b1f | 2811 | |
befdf897 WY |
2812 | if (priv->removed) |
2813 | return; | |
225c7b1f | 2814 | |
befdf897 | 2815 | pci_dev_data = priv->pci_dev_data; |
225c7b1f | 2816 | |
bbb07af4 JM |
2817 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
2818 | if (mlx4_is_master(dev)) { | |
2819 | active_vfs = mlx4_how_many_lives_vf(dev); | |
2820 | if (active_vfs) { | |
2821 | pr_warn("Removing PF when there are active VF's !!\n"); | |
2822 | pr_warn("Will not disable SR-IOV.\n"); | |
2823 | } | |
2824 | } | |
befdf897 WY |
2825 | mlx4_stop_sense(dev); |
2826 | mlx4_unregister_device(dev); | |
225c7b1f | 2827 | |
befdf897 WY |
2828 | for (p = 1; p <= dev->caps.num_ports; p++) { |
2829 | mlx4_cleanup_port_info(&priv->port[p]); | |
2830 | mlx4_CLOSE_PORT(dev, p); | |
2831 | } | |
2832 | ||
2833 | if (mlx4_is_master(dev)) | |
2834 | mlx4_free_resource_tracker(dev, | |
2835 | RES_TR_FREE_SLAVES_ONLY); | |
2836 | ||
2837 | mlx4_cleanup_counters_table(dev); | |
2838 | mlx4_cleanup_qp_table(dev); | |
2839 | mlx4_cleanup_srq_table(dev); | |
2840 | mlx4_cleanup_cq_table(dev); | |
2841 | mlx4_cmd_use_polling(dev); | |
2842 | mlx4_cleanup_eq_table(dev); | |
2843 | mlx4_cleanup_mcg_table(dev); | |
2844 | mlx4_cleanup_mr_table(dev); | |
2845 | mlx4_cleanup_xrcd_table(dev); | |
2846 | mlx4_cleanup_pd_table(dev); | |
225c7b1f | 2847 | |
befdf897 WY |
2848 | if (mlx4_is_master(dev)) |
2849 | mlx4_free_resource_tracker(dev, | |
2850 | RES_TR_FREE_STRUCTS_ONLY); | |
47605df9 | 2851 | |
befdf897 WY |
2852 | iounmap(priv->kar); |
2853 | mlx4_uar_free(dev, &priv->driver_uar); | |
2854 | mlx4_cleanup_uar_table(dev); | |
2855 | if (!mlx4_is_slave(dev)) | |
2856 | mlx4_clear_steering(dev); | |
2857 | mlx4_free_eq_table(dev); | |
2858 | if (mlx4_is_master(dev)) | |
2859 | mlx4_multi_func_cleanup(dev); | |
2860 | mlx4_close_hca(dev); | |
a0eacca9 | 2861 | mlx4_close_fw(dev); |
befdf897 WY |
2862 | if (mlx4_is_slave(dev)) |
2863 | mlx4_multi_func_cleanup(dev); | |
ffc39f6d | 2864 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
47605df9 | 2865 | |
befdf897 WY |
2866 | if (dev->flags & MLX4_FLAG_MSI_X) |
2867 | pci_disable_msix(pdev); | |
bbb07af4 | 2868 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
befdf897 WY |
2869 | mlx4_warn(dev, "Disabling SR-IOV\n"); |
2870 | pci_disable_sriov(pdev); | |
a0eacca9 | 2871 | dev->flags &= ~MLX4_FLAG_SRIOV; |
e1a5ddc5 | 2872 | dev->num_vfs = 0; |
225c7b1f | 2873 | } |
befdf897 WY |
2874 | |
2875 | if (!mlx4_is_slave(dev)) | |
2876 | mlx4_free_ownership(dev); | |
2877 | ||
99ec41d0 | 2878 | kfree(dev->caps.qp0_qkey); |
befdf897 WY |
2879 | kfree(dev->caps.qp0_tunnel); |
2880 | kfree(dev->caps.qp0_proxy); | |
2881 | kfree(dev->caps.qp1_tunnel); | |
2882 | kfree(dev->caps.qp1_proxy); | |
2883 | kfree(dev->dev_vfs); | |
2884 | ||
befdf897 WY |
2885 | memset(priv, 0, sizeof(*priv)); |
2886 | priv->pci_dev_data = pci_dev_data; | |
2887 | priv->removed = 1; | |
2888 | } | |
2889 | ||
2890 | static void mlx4_remove_one(struct pci_dev *pdev) | |
2891 | { | |
2892 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
2893 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2894 | ||
e1c00e10 MD |
2895 | mlx4_unload_one(pdev); |
2896 | pci_release_regions(pdev); | |
2897 | pci_disable_device(pdev); | |
befdf897 WY |
2898 | kfree(priv); |
2899 | pci_set_drvdata(pdev, NULL); | |
225c7b1f RD |
2900 | } |
2901 | ||
ee49bd93 JM |
2902 | int mlx4_restart_one(struct pci_dev *pdev) |
2903 | { | |
839f1243 RD |
2904 | struct mlx4_dev *dev = pci_get_drvdata(pdev); |
2905 | struct mlx4_priv *priv = mlx4_priv(dev); | |
e1c00e10 MD |
2906 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
2907 | int pci_dev_data, err, total_vfs; | |
839f1243 RD |
2908 | |
2909 | pci_dev_data = priv->pci_dev_data; | |
e1c00e10 MD |
2910 | total_vfs = dev->num_vfs; |
2911 | memcpy(nvfs, dev->nvfs, sizeof(dev->nvfs)); | |
2912 | ||
2913 | mlx4_unload_one(pdev); | |
2914 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv); | |
2915 | if (err) { | |
2916 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", | |
2917 | __func__, pci_name(pdev), err); | |
2918 | return err; | |
2919 | } | |
2920 | ||
2921 | return err; | |
ee49bd93 JM |
2922 | } |
2923 | ||
9baa3c34 | 2924 | static const struct pci_device_id mlx4_pci_table[] = { |
ab9c17a0 | 2925 | /* MT25408 "Hermon" SDR */ |
ca3e57a5 | 2926 | { PCI_VDEVICE(MELLANOX, 0x6340), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2927 | /* MT25408 "Hermon" DDR */ |
ca3e57a5 | 2928 | { PCI_VDEVICE(MELLANOX, 0x634a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2929 | /* MT25408 "Hermon" QDR */ |
ca3e57a5 | 2930 | { PCI_VDEVICE(MELLANOX, 0x6354), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2931 | /* MT25408 "Hermon" DDR PCIe gen2 */ |
ca3e57a5 | 2932 | { PCI_VDEVICE(MELLANOX, 0x6732), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2933 | /* MT25408 "Hermon" QDR PCIe gen2 */ |
ca3e57a5 | 2934 | { PCI_VDEVICE(MELLANOX, 0x673c), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2935 | /* MT25408 "Hermon" EN 10GigE */ |
ca3e57a5 | 2936 | { PCI_VDEVICE(MELLANOX, 0x6368), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2937 | /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ |
ca3e57a5 | 2938 | { PCI_VDEVICE(MELLANOX, 0x6750), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2939 | /* MT25458 ConnectX EN 10GBASE-T 10GigE */ |
ca3e57a5 | 2940 | { PCI_VDEVICE(MELLANOX, 0x6372), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2941 | /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ |
ca3e57a5 | 2942 | { PCI_VDEVICE(MELLANOX, 0x675a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2943 | /* MT26468 ConnectX EN 10GigE PCIe gen2*/ |
ca3e57a5 | 2944 | { PCI_VDEVICE(MELLANOX, 0x6764), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2945 | /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ |
ca3e57a5 | 2946 | { PCI_VDEVICE(MELLANOX, 0x6746), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2947 | /* MT26478 ConnectX2 40GigE PCIe gen2 */ |
ca3e57a5 | 2948 | { PCI_VDEVICE(MELLANOX, 0x676e), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 2949 | /* MT25400 Family [ConnectX-2 Virtual Function] */ |
839f1243 | 2950 | { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF }, |
ab9c17a0 JM |
2951 | /* MT27500 Family [ConnectX-3] */ |
2952 | { PCI_VDEVICE(MELLANOX, 0x1003), 0 }, | |
2953 | /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
839f1243 | 2954 | { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF }, |
ab9c17a0 JM |
2955 | { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */ |
2956 | { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */ | |
2957 | { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */ | |
2958 | { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */ | |
2959 | { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */ | |
2960 | { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */ | |
2961 | { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */ | |
2962 | { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */ | |
2963 | { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */ | |
2964 | { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */ | |
2965 | { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */ | |
2966 | { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */ | |
225c7b1f RD |
2967 | { 0, } |
2968 | }; | |
2969 | ||
2970 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
2971 | ||
57dbf29a KSS |
2972 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
2973 | pci_channel_state_t state) | |
2974 | { | |
e1c00e10 | 2975 | mlx4_unload_one(pdev); |
57dbf29a KSS |
2976 | |
2977 | return state == pci_channel_io_perm_failure ? | |
2978 | PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; | |
2979 | } | |
2980 | ||
2981 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) | |
2982 | { | |
befdf897 WY |
2983 | struct mlx4_dev *dev = pci_get_drvdata(pdev); |
2984 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2985 | int ret; | |
97a5221f | 2986 | |
e1c00e10 | 2987 | ret = __mlx4_init_one(pdev, priv->pci_dev_data, priv); |
57dbf29a KSS |
2988 | |
2989 | return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
2990 | } | |
2991 | ||
3646f0e5 | 2992 | static const struct pci_error_handlers mlx4_err_handler = { |
57dbf29a KSS |
2993 | .error_detected = mlx4_pci_err_detected, |
2994 | .slot_reset = mlx4_pci_slot_reset, | |
2995 | }; | |
2996 | ||
225c7b1f RD |
2997 | static struct pci_driver mlx4_driver = { |
2998 | .name = DRV_NAME, | |
2999 | .id_table = mlx4_pci_table, | |
3000 | .probe = mlx4_init_one, | |
e1c00e10 | 3001 | .shutdown = mlx4_unload_one, |
f57e6848 | 3002 | .remove = mlx4_remove_one, |
57dbf29a | 3003 | .err_handler = &mlx4_err_handler, |
225c7b1f RD |
3004 | }; |
3005 | ||
7ff93f8b YP |
3006 | static int __init mlx4_verify_params(void) |
3007 | { | |
3008 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
c20862c8 | 3009 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
3010 | return -1; |
3011 | } | |
3012 | ||
cb29688a | 3013 | if (log_num_vlan != 0) |
c20862c8 AV |
3014 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
3015 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 3016 | |
ecc8fb11 AV |
3017 | if (use_prio != 0) |
3018 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); | |
7ff93f8b | 3019 | |
0498628f | 3020 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
c20862c8 AV |
3021 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
3022 | log_mtts_per_seg); | |
ab6bf42e EC |
3023 | return -1; |
3024 | } | |
3025 | ||
ab9c17a0 JM |
3026 | /* Check if module param for ports type has legal combination */ |
3027 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
c20862c8 | 3028 | pr_warn("Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); |
ab9c17a0 JM |
3029 | port_type_array[0] = true; |
3030 | } | |
3031 | ||
3c439b55 JM |
3032 | if (mlx4_log_num_mgm_entry_size != -1 && |
3033 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || | |
3034 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE)) { | |
1a91de28 JP |
3035 | pr_warn("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not in legal range (-1 or %d..%d)\n", |
3036 | mlx4_log_num_mgm_entry_size, | |
3037 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, | |
3038 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); | |
3c439b55 JM |
3039 | return -1; |
3040 | } | |
3041 | ||
7ff93f8b YP |
3042 | return 0; |
3043 | } | |
3044 | ||
225c7b1f RD |
3045 | static int __init mlx4_init(void) |
3046 | { | |
3047 | int ret; | |
3048 | ||
7ff93f8b YP |
3049 | if (mlx4_verify_params()) |
3050 | return -EINVAL; | |
3051 | ||
27bf91d6 YP |
3052 | mlx4_catas_init(); |
3053 | ||
3054 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
3055 | if (!mlx4_wq) | |
3056 | return -ENOMEM; | |
ee49bd93 | 3057 | |
225c7b1f | 3058 | ret = pci_register_driver(&mlx4_driver); |
1b85ee09 WY |
3059 | if (ret < 0) |
3060 | destroy_workqueue(mlx4_wq); | |
225c7b1f RD |
3061 | return ret < 0 ? ret : 0; |
3062 | } | |
3063 | ||
3064 | static void __exit mlx4_cleanup(void) | |
3065 | { | |
3066 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 3067 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
3068 | } |
3069 | ||
3070 | module_init(mlx4_init); | |
3071 | module_exit(mlx4_cleanup); |