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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 | 107 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
7d077cd3 MB |
108 | MLX4_FUNC_CAP_EQE_CQE_STRIDE | \ |
109 | MLX4_FUNC_CAP_DMFS_A0_STATIC) | |
ab9c17a0 | 110 | |
55ad3592 YH |
111 | #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) |
112 | ||
f57e6848 | 113 | static char mlx4_version[] = |
225c7b1f RD |
114 | DRV_NAME ": Mellanox ConnectX core driver v" |
115 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
116 | ||
117 | static struct mlx4_profile default_profile = { | |
ab9c17a0 | 118 | .num_qp = 1 << 18, |
225c7b1f | 119 | .num_srq = 1 << 16, |
c9f2ba5e | 120 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
121 | .num_cq = 1 << 16, |
122 | .num_mcg = 1 << 13, | |
ab9c17a0 | 123 | .num_mpt = 1 << 19, |
9fd7a1e1 | 124 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
225c7b1f RD |
125 | }; |
126 | ||
2599d858 AV |
127 | static struct mlx4_profile low_mem_profile = { |
128 | .num_qp = 1 << 17, | |
129 | .num_srq = 1 << 6, | |
130 | .rdmarc_per_qp = 1 << 4, | |
131 | .num_cq = 1 << 8, | |
132 | .num_mcg = 1 << 8, | |
133 | .num_mpt = 1 << 9, | |
134 | .num_mtt = 1 << 7, | |
135 | }; | |
136 | ||
ab9c17a0 | 137 | static int log_num_mac = 7; |
93fc9e1b YP |
138 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
139 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
140 | ||
141 | static int log_num_vlan; | |
142 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
143 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
144 | /* Log2 max number of VLANs per ETH port (0-7) */ |
145 | #define MLX4_LOG_NUM_VLANS 7 | |
2599d858 AV |
146 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
147 | #define MLX4_MIN_LOG_NUM_MAC 1 | |
93fc9e1b | 148 | |
eb939922 | 149 | static bool use_prio; |
93fc9e1b | 150 | module_param_named(use_prio, use_prio, bool, 0444); |
ecc8fb11 | 151 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports (deprecated)"); |
93fc9e1b | 152 | |
2b8fb286 | 153 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
ab6bf42e | 154 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
0498628f | 155 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 156 | |
8d0fc7b6 | 157 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
ab9c17a0 JM |
158 | static int arr_argc = 2; |
159 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
8d0fc7b6 YP |
160 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
161 | "1 for IB, 2 for Ethernet"); | |
ab9c17a0 JM |
162 | |
163 | struct mlx4_port_config { | |
164 | struct list_head list; | |
165 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
166 | struct pci_dev *pdev; | |
167 | }; | |
168 | ||
97989356 AV |
169 | static atomic_t pf_loading = ATOMIC_INIT(0); |
170 | ||
27bf91d6 YP |
171 | int mlx4_check_port_params(struct mlx4_dev *dev, |
172 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
173 | { |
174 | int i; | |
175 | ||
0b997657 YS |
176 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
177 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
178 | if (port_type[i] != port_type[i + 1]) { | |
1a91de28 | 179 | mlx4_err(dev, "Only same port types supported on this HCA, aborting\n"); |
27bf91d6 YP |
180 | return -EINVAL; |
181 | } | |
7ff93f8b YP |
182 | } |
183 | } | |
7ff93f8b YP |
184 | |
185 | for (i = 0; i < dev->caps.num_ports; i++) { | |
186 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
1a91de28 JP |
187 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
188 | i + 1); | |
7ff93f8b YP |
189 | return -EINVAL; |
190 | } | |
191 | } | |
192 | return 0; | |
193 | } | |
194 | ||
195 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
196 | { | |
197 | int i; | |
198 | ||
7ff93f8b | 199 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 200 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 201 | } |
f2a3f6a3 | 202 | |
7ae0e400 MB |
203 | enum { |
204 | MLX4_QUERY_FUNC_NUM_SYS_EQS = 1 << 0, | |
205 | }; | |
206 | ||
207 | static int mlx4_query_func(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) | |
208 | { | |
209 | int err = 0; | |
210 | struct mlx4_func func; | |
211 | ||
212 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { | |
213 | err = mlx4_QUERY_FUNC(dev, &func, 0); | |
214 | if (err) { | |
215 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
216 | return err; | |
217 | } | |
218 | dev_cap->max_eqs = func.max_eq; | |
219 | dev_cap->reserved_eqs = func.rsvd_eqs; | |
220 | dev_cap->reserved_uars = func.rsvd_uars; | |
221 | err |= MLX4_QUERY_FUNC_NUM_SYS_EQS; | |
222 | } | |
223 | return err; | |
224 | } | |
225 | ||
77507aa2 IS |
226 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
227 | { | |
228 | struct mlx4_caps *dev_cap = &dev->caps; | |
229 | ||
230 | /* FW not supporting or cancelled by user */ | |
231 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || | |
232 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) | |
233 | return; | |
234 | ||
235 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride | |
236 | * When FW has NCSI it may decide not to report 64B CQE/EQEs | |
237 | */ | |
238 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || | |
239 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { | |
240 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
241 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
242 | return; | |
243 | } | |
244 | ||
245 | if (cache_line_size() == 128 || cache_line_size() == 256) { | |
246 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); | |
247 | /* Changing the real data inside CQE size to 32B */ | |
248 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
249 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
250 | ||
251 | if (mlx4_is_master(dev)) | |
252 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; | |
253 | } else { | |
0fab541a OG |
254 | if (cache_line_size() != 32 && cache_line_size() != 64) |
255 | mlx4_dbg(dev, "Disabling CQE stride, cacheLine size unsupported\n"); | |
77507aa2 IS |
256 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
257 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
258 | } | |
259 | } | |
260 | ||
431df8c7 MB |
261 | static int _mlx4_dev_port(struct mlx4_dev *dev, int port, |
262 | struct mlx4_port_cap *port_cap) | |
263 | { | |
264 | dev->caps.vl_cap[port] = port_cap->max_vl; | |
265 | dev->caps.ib_mtu_cap[port] = port_cap->ib_mtu; | |
266 | dev->phys_caps.gid_phys_table_len[port] = port_cap->max_gids; | |
267 | dev->phys_caps.pkey_phys_table_len[port] = port_cap->max_pkeys; | |
268 | /* set gid and pkey table operating lengths by default | |
269 | * to non-sriov values | |
270 | */ | |
271 | dev->caps.gid_table_len[port] = port_cap->max_gids; | |
272 | dev->caps.pkey_table_len[port] = port_cap->max_pkeys; | |
273 | dev->caps.port_width_cap[port] = port_cap->max_port_width; | |
274 | dev->caps.eth_mtu_cap[port] = port_cap->eth_mtu; | |
275 | dev->caps.def_mac[port] = port_cap->def_mac; | |
276 | dev->caps.supported_type[port] = port_cap->supported_port_types; | |
277 | dev->caps.suggested_type[port] = port_cap->suggested_type; | |
278 | dev->caps.default_sense[port] = port_cap->default_sense; | |
279 | dev->caps.trans_type[port] = port_cap->trans_type; | |
280 | dev->caps.vendor_oui[port] = port_cap->vendor_oui; | |
281 | dev->caps.wavelength[port] = port_cap->wavelength; | |
282 | dev->caps.trans_code[port] = port_cap->trans_code; | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | static int mlx4_dev_port(struct mlx4_dev *dev, int port, | |
288 | struct mlx4_port_cap *port_cap) | |
289 | { | |
290 | int err = 0; | |
291 | ||
292 | err = mlx4_QUERY_PORT(dev, port, port_cap); | |
293 | ||
294 | if (err) | |
295 | mlx4_err(dev, "QUERY_PORT command failed.\n"); | |
296 | ||
297 | return err; | |
298 | } | |
299 | ||
78500b8c MM |
300 | static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev) |
301 | { | |
302 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)) | |
303 | return; | |
304 | ||
305 | if (mlx4_is_mfunc(dev)) { | |
306 | mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS"); | |
307 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
308 | return; | |
309 | } | |
310 | ||
311 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) { | |
312 | mlx4_dbg(dev, | |
313 | "Keep FCS is not supported - Disabling Ignore FCS"); | |
314 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
315 | return; | |
316 | } | |
317 | } | |
318 | ||
431df8c7 | 319 | #define MLX4_A0_STEERING_TABLE_SIZE 256 |
3d73c288 | 320 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
321 | { |
322 | int err; | |
5ae2a7a8 | 323 | int i; |
225c7b1f RD |
324 | |
325 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
326 | if (err) { | |
1a91de28 | 327 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
225c7b1f RD |
328 | return err; |
329 | } | |
c78e25ed | 330 | mlx4_dev_cap_dump(dev, dev_cap); |
225c7b1f RD |
331 | |
332 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
1a91de28 | 333 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
225c7b1f RD |
334 | dev_cap->min_page_sz, PAGE_SIZE); |
335 | return -ENODEV; | |
336 | } | |
337 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
1a91de28 | 338 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
225c7b1f RD |
339 | dev_cap->num_ports, MLX4_MAX_PORTS); |
340 | return -ENODEV; | |
341 | } | |
342 | ||
872bf2fb | 343 | if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) { |
1a91de28 | 344 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
225c7b1f | 345 | dev_cap->uar_size, |
872bf2fb YH |
346 | (unsigned long long) |
347 | pci_resource_len(dev->persist->pdev, 2)); | |
225c7b1f RD |
348 | return -ENODEV; |
349 | } | |
350 | ||
351 | dev->caps.num_ports = dev_cap->num_ports; | |
7ae0e400 MB |
352 | dev->caps.num_sys_eqs = dev_cap->num_sys_eqs; |
353 | dev->phys_caps.num_phys_eqs = dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS ? | |
354 | dev->caps.num_sys_eqs : | |
355 | MLX4_MAX_EQ_NUM; | |
5ae2a7a8 | 356 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
431df8c7 MB |
357 | err = _mlx4_dev_port(dev, i, dev_cap->port_cap + i); |
358 | if (err) { | |
359 | mlx4_err(dev, "QUERY_PORT command failed, aborting\n"); | |
360 | return err; | |
361 | } | |
5ae2a7a8 RD |
362 | } |
363 | ||
ab9c17a0 | 364 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 365 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
366 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
367 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
368 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
369 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
370 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
371 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
372 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
373 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
374 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
375 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
376 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
377 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
225c7b1f RD |
378 | /* |
379 | * Subtract 1 from the limit because we need to allocate a | |
380 | * spare CQE so the HCA HW can tell the difference between an | |
381 | * empty CQ and a full CQ. | |
382 | */ | |
383 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
384 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
385 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 386 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 387 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 JM |
388 | |
389 | /* The first 128 UARs are used for EQ doorbells */ | |
390 | dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); | |
225c7b1f | 391 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
392 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
393 | dev_cap->reserved_xrcds : 0; | |
394 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
395 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
396 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
397 | ||
149983af | 398 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
399 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
400 | dev->caps.flags = dev_cap->flags; | |
b3416f44 | 401 | dev->caps.flags2 = dev_cap->flags2; |
95d04f07 RD |
402 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
403 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 404 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 405 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
b3416f44 | 406 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
225c7b1f | 407 | |
77fc29c4 HHZ |
408 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { |
409 | struct mlx4_init_hca_param hca_param; | |
410 | ||
411 | memset(&hca_param, 0, sizeof(hca_param)); | |
412 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
413 | /* Turn off PHV_EN flag in case phv_check_en is set. | |
414 | * phv_check_en is a HW check that parse the packet and verify | |
415 | * phv bit was reported correctly in the wqe. To allow QinQ | |
416 | * PHV_EN flag should be set and phv_check_en must be cleared | |
417 | * otherwise QinQ packets will be drop by the HW. | |
418 | */ | |
419 | if (err || hca_param.phv_check_en) | |
420 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; | |
421 | } | |
422 | ||
ca3e57a5 RD |
423 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
424 | if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) | |
58a60168 | 425 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
aadf4f3f RD |
426 | /* Don't do sense port on multifunction devices (for now at least) */ |
427 | if (mlx4_is_mfunc(dev)) | |
428 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; | |
58a60168 | 429 | |
2599d858 AV |
430 | if (mlx4_low_memory_profile()) { |
431 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; | |
432 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; | |
433 | } else { | |
434 | dev->caps.log_num_macs = log_num_mac; | |
435 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; | |
436 | } | |
93fc9e1b YP |
437 | |
438 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
439 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
440 | if (dev->caps.supported_type[i]) { | |
441 | /* if only ETH is supported - assign ETH */ | |
442 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
443 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
105c320f | 444 | /* if only IB is supported, assign IB */ |
ab9c17a0 | 445 | else if (dev->caps.supported_type[i] == |
105c320f JM |
446 | MLX4_PORT_TYPE_IB) |
447 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 448 | else { |
105c320f JM |
449 | /* if IB and ETH are supported, we set the port |
450 | * type according to user selection of port type; | |
451 | * if user selected none, take the FW hint */ | |
452 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) | |
8d0fc7b6 YP |
453 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
454 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 455 | else |
105c320f | 456 | dev->caps.port_type[i] = port_type_array[i - 1]; |
ab9c17a0 JM |
457 | } |
458 | } | |
8d0fc7b6 YP |
459 | /* |
460 | * Link sensing is allowed on the port if 3 conditions are true: | |
461 | * 1. Both protocols are supported on the port. | |
462 | * 2. Different types are supported on the port | |
463 | * 3. FW declared that it supports link sensing | |
464 | */ | |
27bf91d6 | 465 | mlx4_priv(dev)->sense.sense_allowed[i] = |
58a60168 | 466 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
8d0fc7b6 | 467 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
58a60168 | 468 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
7ff93f8b | 469 | |
8d0fc7b6 YP |
470 | /* |
471 | * If "default_sense" bit is set, we move the port to "AUTO" mode | |
472 | * and perform sense_port FW command to try and set the correct | |
473 | * port type from beginning | |
474 | */ | |
46c46747 | 475 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
8d0fc7b6 YP |
476 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
477 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; | |
478 | mlx4_SENSE_PORT(dev, i, &sensed_port); | |
479 | if (sensed_port != MLX4_PORT_TYPE_NONE) | |
480 | dev->caps.port_type[i] = sensed_port; | |
481 | } else { | |
482 | dev->caps.possible_type[i] = dev->caps.port_type[i]; | |
483 | } | |
484 | ||
431df8c7 MB |
485 | if (dev->caps.log_num_macs > dev_cap->port_cap[i].log_max_macs) { |
486 | dev->caps.log_num_macs = dev_cap->port_cap[i].log_max_macs; | |
1a91de28 | 487 | mlx4_warn(dev, "Requested number of MACs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
488 | i, 1 << dev->caps.log_num_macs); |
489 | } | |
431df8c7 MB |
490 | if (dev->caps.log_num_vlans > dev_cap->port_cap[i].log_max_vlans) { |
491 | dev->caps.log_num_vlans = dev_cap->port_cap[i].log_max_vlans; | |
1a91de28 | 492 | mlx4_warn(dev, "Requested number of VLANs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
493 | i, 1 << dev->caps.log_num_vlans); |
494 | } | |
495 | } | |
496 | ||
ac0a72a3 OG |
497 | if (mlx4_is_master(dev) && (dev->caps.num_ports == 2) && |
498 | (port_type_array[0] == MLX4_PORT_TYPE_IB) && | |
499 | (port_type_array[1] == MLX4_PORT_TYPE_ETH)) { | |
500 | mlx4_warn(dev, | |
501 | "Granular QoS per VF not supported with IB/Eth configuration\n"); | |
502 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_QOS_VPP; | |
503 | } | |
504 | ||
47d8417f | 505 | dev->caps.max_counters = dev_cap->max_counters; |
f2a3f6a3 | 506 | |
93fc9e1b YP |
507 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
508 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
509 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
510 | (1 << dev->caps.log_num_macs) * | |
511 | (1 << dev->caps.log_num_vlans) * | |
93fc9e1b YP |
512 | dev->caps.num_ports; |
513 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
7d077cd3 MB |
514 | |
515 | if (dev_cap->dmfs_high_rate_qpn_base > 0 && | |
516 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) | |
517 | dev->caps.dmfs_high_rate_qpn_base = dev_cap->dmfs_high_rate_qpn_base; | |
518 | else | |
519 | dev->caps.dmfs_high_rate_qpn_base = | |
520 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
521 | ||
522 | if (dev_cap->dmfs_high_rate_qpn_range > 0 && | |
523 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { | |
524 | dev->caps.dmfs_high_rate_qpn_range = dev_cap->dmfs_high_rate_qpn_range; | |
525 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DEFAULT; | |
526 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_FS_A0; | |
527 | } else { | |
528 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_NOT_SUPPORTED; | |
529 | dev->caps.dmfs_high_rate_qpn_base = | |
530 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
531 | dev->caps.dmfs_high_rate_qpn_range = MLX4_A0_STEERING_TABLE_SIZE; | |
532 | } | |
533 | ||
fc31e256 OG |
534 | dev->caps.rl_caps = dev_cap->rl_caps; |
535 | ||
d57febe1 | 536 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_RSS_RAW_ETH] = |
7d077cd3 | 537 | dev->caps.dmfs_high_rate_qpn_range; |
93fc9e1b YP |
538 | |
539 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
540 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
541 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
542 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
543 | ||
e2c76824 | 544 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
08ff3235 | 545 | |
b3051320 | 546 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
08ff3235 OG |
547 | if (dev_cap->flags & |
548 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { | |
549 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); | |
550 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
551 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
552 | } | |
77507aa2 IS |
553 | |
554 | if (dev_cap->flags2 & | |
555 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | | |
556 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { | |
557 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); | |
558 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
559 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
560 | } | |
08ff3235 OG |
561 | } |
562 | ||
f97b4b5d | 563 | if ((dev->caps.flags & |
08ff3235 OG |
564 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
565 | mlx4_is_master(dev)) | |
566 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; | |
567 | ||
ddae0349 | 568 | if (!mlx4_is_slave(dev)) { |
77507aa2 | 569 | mlx4_enable_cqe_eqe_stride(dev); |
ddae0349 | 570 | dev->caps.alloc_res_qp_mask = |
d57febe1 MB |
571 | (dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) | |
572 | MLX4_RESERVE_A0_QP; | |
3742cc65 IS |
573 | |
574 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) && | |
575 | dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { | |
576 | mlx4_warn(dev, "Old device ETS support detected\n"); | |
577 | mlx4_warn(dev, "Consider upgrading device FW.\n"); | |
578 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; | |
579 | } | |
580 | ||
ddae0349 EE |
581 | } else { |
582 | dev->caps.alloc_res_qp_mask = 0; | |
583 | } | |
77507aa2 | 584 | |
78500b8c MM |
585 | mlx4_enable_ignore_fcs(dev); |
586 | ||
225c7b1f RD |
587 | return 0; |
588 | } | |
b912b2f8 EP |
589 | |
590 | static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev, | |
591 | enum pci_bus_speed *speed, | |
592 | enum pcie_link_width *width) | |
593 | { | |
594 | u32 lnkcap1, lnkcap2; | |
595 | int err1, err2; | |
596 | ||
597 | #define PCIE_MLW_CAP_SHIFT 4 /* start of MLW mask in link capabilities */ | |
598 | ||
599 | *speed = PCI_SPEED_UNKNOWN; | |
600 | *width = PCIE_LNK_WIDTH_UNKNOWN; | |
601 | ||
872bf2fb YH |
602 | err1 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP, |
603 | &lnkcap1); | |
604 | err2 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP2, | |
605 | &lnkcap2); | |
b912b2f8 EP |
606 | if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */ |
607 | if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) | |
608 | *speed = PCIE_SPEED_8_0GT; | |
609 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) | |
610 | *speed = PCIE_SPEED_5_0GT; | |
611 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) | |
612 | *speed = PCIE_SPEED_2_5GT; | |
613 | } | |
614 | if (!err1) { | |
615 | *width = (lnkcap1 & PCI_EXP_LNKCAP_MLW) >> PCIE_MLW_CAP_SHIFT; | |
616 | if (!lnkcap2) { /* pre-r3.0 */ | |
617 | if (lnkcap1 & PCI_EXP_LNKCAP_SLS_5_0GB) | |
618 | *speed = PCIE_SPEED_5_0GT; | |
619 | else if (lnkcap1 & PCI_EXP_LNKCAP_SLS_2_5GB) | |
620 | *speed = PCIE_SPEED_2_5GT; | |
621 | } | |
622 | } | |
623 | ||
624 | if (*speed == PCI_SPEED_UNKNOWN || *width == PCIE_LNK_WIDTH_UNKNOWN) { | |
625 | return err1 ? err1 : | |
626 | err2 ? err2 : -EINVAL; | |
627 | } | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static void mlx4_check_pcie_caps(struct mlx4_dev *dev) | |
632 | { | |
633 | enum pcie_link_width width, width_cap; | |
634 | enum pci_bus_speed speed, speed_cap; | |
635 | int err; | |
636 | ||
637 | #define PCIE_SPEED_STR(speed) \ | |
638 | (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : \ | |
639 | speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : \ | |
640 | speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : \ | |
641 | "Unknown") | |
642 | ||
643 | err = mlx4_get_pcie_dev_link_caps(dev, &speed_cap, &width_cap); | |
644 | if (err) { | |
645 | mlx4_warn(dev, | |
646 | "Unable to determine PCIe device BW capabilities\n"); | |
647 | return; | |
648 | } | |
649 | ||
872bf2fb | 650 | err = pcie_get_minimum_link(dev->persist->pdev, &speed, &width); |
b912b2f8 EP |
651 | if (err || speed == PCI_SPEED_UNKNOWN || |
652 | width == PCIE_LNK_WIDTH_UNKNOWN) { | |
653 | mlx4_warn(dev, | |
654 | "Unable to determine PCI device chain minimum BW\n"); | |
655 | return; | |
656 | } | |
657 | ||
658 | if (width != width_cap || speed != speed_cap) | |
659 | mlx4_warn(dev, | |
660 | "PCIe BW is different than device's capability\n"); | |
661 | ||
662 | mlx4_info(dev, "PCIe link speed is %s, device supports %s\n", | |
663 | PCIE_SPEED_STR(speed), PCIE_SPEED_STR(speed_cap)); | |
664 | mlx4_info(dev, "PCIe link width is x%d, device supports x%d\n", | |
665 | width, width_cap); | |
666 | return; | |
667 | } | |
668 | ||
ab9c17a0 JM |
669 | /*The function checks if there are live vf, return the num of them*/ |
670 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
671 | { | |
672 | struct mlx4_priv *priv = mlx4_priv(dev); | |
673 | struct mlx4_slave_state *s_state; | |
674 | int i; | |
675 | int ret = 0; | |
676 | ||
677 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
678 | s_state = &priv->mfunc.master.slave_state[i]; | |
679 | if (s_state->active && s_state->last_cmd != | |
680 | MLX4_COMM_CMD_RESET) { | |
681 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
682 | __func__, i); | |
683 | ret++; | |
684 | } | |
685 | } | |
686 | return ret; | |
687 | } | |
688 | ||
396f2feb JM |
689 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
690 | { | |
691 | u32 qk = MLX4_RESERVED_QKEY_BASE; | |
47605df9 JM |
692 | |
693 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || | |
694 | qpn < dev->phys_caps.base_proxy_sqpn) | |
396f2feb JM |
695 | return -EINVAL; |
696 | ||
47605df9 | 697 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
396f2feb | 698 | /* tunnel qp */ |
47605df9 | 699 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
396f2feb | 700 | else |
47605df9 | 701 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
396f2feb JM |
702 | *qkey = qk; |
703 | return 0; | |
704 | } | |
705 | EXPORT_SYMBOL(mlx4_get_parav_qkey); | |
706 | ||
54679e14 JM |
707 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
708 | { | |
709 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
710 | ||
711 | if (!mlx4_is_master(dev)) | |
712 | return; | |
713 | ||
714 | priv->virt2phys_pkey[slave][port - 1][i] = val; | |
715 | } | |
716 | EXPORT_SYMBOL(mlx4_sync_pkey_table); | |
717 | ||
afa8fd1d JM |
718 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
719 | { | |
720 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
721 | ||
722 | if (!mlx4_is_master(dev)) | |
723 | return; | |
724 | ||
725 | priv->slave_node_guids[slave] = guid; | |
726 | } | |
727 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); | |
728 | ||
729 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) | |
730 | { | |
731 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
732 | ||
733 | if (!mlx4_is_master(dev)) | |
734 | return 0; | |
735 | ||
736 | return priv->slave_node_guids[slave]; | |
737 | } | |
738 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); | |
739 | ||
e10903b0 | 740 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
ab9c17a0 JM |
741 | { |
742 | struct mlx4_priv *priv = mlx4_priv(dev); | |
743 | struct mlx4_slave_state *s_slave; | |
744 | ||
745 | if (!mlx4_is_master(dev)) | |
746 | return 0; | |
747 | ||
748 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
749 | return !!s_slave->active; | |
750 | } | |
751 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
752 | ||
7b8157be JM |
753 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
754 | struct mlx4_dev_cap *dev_cap, | |
755 | struct mlx4_init_hca_param *hca_param) | |
756 | { | |
757 | dev->caps.steering_mode = hca_param->steering_mode; | |
758 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
759 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
760 | dev->caps.fs_log_max_ucast_qp_range_size = | |
761 | dev_cap->fs_log_max_ucast_qp_range_size; | |
762 | } else | |
763 | dev->caps.num_qp_per_mgm = | |
764 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); | |
765 | ||
766 | mlx4_dbg(dev, "Steering mode is: %s\n", | |
767 | mlx4_steering_mode_str(dev->caps.steering_mode)); | |
768 | } | |
769 | ||
ab9c17a0 JM |
770 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
771 | { | |
772 | int err; | |
773 | u32 page_size; | |
774 | struct mlx4_dev_cap dev_cap; | |
775 | struct mlx4_func_cap func_cap; | |
776 | struct mlx4_init_hca_param hca_param; | |
225c6c8c | 777 | u8 i; |
ab9c17a0 JM |
778 | |
779 | memset(&hca_param, 0, sizeof(hca_param)); | |
780 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
781 | if (err) { | |
1a91de28 | 782 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
ab9c17a0 JM |
783 | return err; |
784 | } | |
785 | ||
483e0132 EP |
786 | /* fail if the hca has an unknown global capability |
787 | * at this time global_caps should be always zeroed | |
788 | */ | |
789 | if (hca_param.global_caps) { | |
ab9c17a0 JM |
790 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
791 | return -ENOSYS; | |
792 | } | |
793 | ||
794 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; | |
795 | ||
ddd8a6c1 EE |
796 | dev->caps.hca_core_clock = hca_param.hca_core_clock; |
797 | ||
ab9c17a0 | 798 | memset(&dev_cap, 0, sizeof(dev_cap)); |
b91cb3eb | 799 | dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp; |
ab9c17a0 JM |
800 | err = mlx4_dev_cap(dev, &dev_cap); |
801 | if (err) { | |
1a91de28 | 802 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
ab9c17a0 JM |
803 | return err; |
804 | } | |
805 | ||
b91cb3eb JM |
806 | err = mlx4_QUERY_FW(dev); |
807 | if (err) | |
1a91de28 | 808 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version\n"); |
b91cb3eb | 809 | |
ab9c17a0 JM |
810 | page_size = ~dev->caps.page_size_cap + 1; |
811 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
812 | if (page_size > PAGE_SIZE) { | |
1a91de28 | 813 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
ab9c17a0 JM |
814 | page_size, PAGE_SIZE); |
815 | return -ENODEV; | |
816 | } | |
817 | ||
818 | /* slave gets uar page size from QUERY_HCA fw command */ | |
819 | dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); | |
820 | ||
821 | /* TODO: relax this assumption */ | |
822 | if (dev->caps.uar_page_size != PAGE_SIZE) { | |
823 | mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", | |
824 | dev->caps.uar_page_size, PAGE_SIZE); | |
825 | return -ENODEV; | |
826 | } | |
827 | ||
828 | memset(&func_cap, 0, sizeof(func_cap)); | |
47605df9 | 829 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
ab9c17a0 | 830 | if (err) { |
1a91de28 JP |
831 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
832 | err); | |
ab9c17a0 JM |
833 | return err; |
834 | } | |
835 | ||
836 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != | |
837 | PF_CONTEXT_BEHAVIOUR_MASK) { | |
7d077cd3 MB |
838 | mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n", |
839 | func_cap.pf_context_behaviour, PF_CONTEXT_BEHAVIOUR_MASK); | |
ab9c17a0 JM |
840 | return -ENOSYS; |
841 | } | |
842 | ||
ab9c17a0 | 843 | dev->caps.num_ports = func_cap.num_ports; |
5a0d0a61 JM |
844 | dev->quotas.qp = func_cap.qp_quota; |
845 | dev->quotas.srq = func_cap.srq_quota; | |
846 | dev->quotas.cq = func_cap.cq_quota; | |
847 | dev->quotas.mpt = func_cap.mpt_quota; | |
848 | dev->quotas.mtt = func_cap.mtt_quota; | |
849 | dev->caps.num_qps = 1 << hca_param.log_num_qps; | |
850 | dev->caps.num_srqs = 1 << hca_param.log_num_srqs; | |
851 | dev->caps.num_cqs = 1 << hca_param.log_num_cqs; | |
852 | dev->caps.num_mpts = 1 << hca_param.log_mpt_sz; | |
853 | dev->caps.num_eqs = func_cap.max_eq; | |
854 | dev->caps.reserved_eqs = func_cap.reserved_eq; | |
f0ce0615 | 855 | dev->caps.reserved_lkey = func_cap.reserved_lkey; |
ab9c17a0 JM |
856 | dev->caps.num_pds = MLX4_NUM_PDS; |
857 | dev->caps.num_mgms = 0; | |
858 | dev->caps.num_amgms = 0; | |
859 | ||
ab9c17a0 | 860 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
1a91de28 JP |
861 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
862 | dev->caps.num_ports, MLX4_MAX_PORTS); | |
ab9c17a0 JM |
863 | return -ENODEV; |
864 | } | |
865 | ||
2b3ddf27 JM |
866 | mlx4_replace_zero_macs(dev); |
867 | ||
99ec41d0 | 868 | dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL); |
47605df9 JM |
869 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
870 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
871 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
872 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
873 | ||
874 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || | |
99ec41d0 JM |
875 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy || |
876 | !dev->caps.qp0_qkey) { | |
47605df9 JM |
877 | err = -ENOMEM; |
878 | goto err_mem; | |
879 | } | |
880 | ||
6634961c | 881 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
225c6c8c | 882 | err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap); |
47605df9 | 883 | if (err) { |
1a91de28 JP |
884 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", |
885 | i, err); | |
47605df9 JM |
886 | goto err_mem; |
887 | } | |
99ec41d0 | 888 | dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey; |
47605df9 JM |
889 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; |
890 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; | |
891 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; | |
892 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; | |
6230bb23 | 893 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
8e1a28e8 | 894 | dev->caps.phys_port_id[i] = func_cap.phys_port_id; |
d49c2197 NO |
895 | err = mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
896 | &dev->caps.gid_table_len[i], | |
897 | &dev->caps.pkey_table_len[i]); | |
898 | if (err) | |
47605df9 | 899 | goto err_mem; |
6634961c | 900 | } |
6230bb23 | 901 | |
ab9c17a0 JM |
902 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
903 | dev->caps.reserved_uars) > | |
872bf2fb YH |
904 | pci_resource_len(dev->persist->pdev, |
905 | 2)) { | |
1a91de28 | 906 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
ab9c17a0 | 907 | dev->caps.uar_page_size * dev->caps.num_uars, |
872bf2fb YH |
908 | (unsigned long long) |
909 | pci_resource_len(dev->persist->pdev, 2)); | |
d49c2197 | 910 | err = -ENOMEM; |
47605df9 | 911 | goto err_mem; |
ab9c17a0 JM |
912 | } |
913 | ||
08ff3235 OG |
914 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
915 | dev->caps.eqe_size = 64; | |
916 | dev->caps.eqe_factor = 1; | |
917 | } else { | |
918 | dev->caps.eqe_size = 32; | |
919 | dev->caps.eqe_factor = 0; | |
920 | } | |
921 | ||
922 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { | |
923 | dev->caps.cqe_size = 64; | |
77507aa2 | 924 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
925 | } else { |
926 | dev->caps.cqe_size = 32; | |
927 | } | |
928 | ||
77507aa2 IS |
929 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
930 | dev->caps.eqe_size = hca_param.eqe_size; | |
931 | dev->caps.eqe_factor = 0; | |
932 | } | |
933 | ||
934 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { | |
935 | dev->caps.cqe_size = hca_param.cqe_size; | |
936 | /* User still need to know when CQE > 32B */ | |
937 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
938 | } | |
939 | ||
f9bd2d7f | 940 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
1a91de28 | 941 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
f9bd2d7f | 942 | |
7b8157be | 943 | slave_adjust_steering_mode(dev, &dev_cap, &hca_param); |
802f42a8 IS |
944 | mlx4_dbg(dev, "RSS support for IP fragments is %s\n", |
945 | hca_param.rss_ip_frags ? "on" : "off"); | |
7b8157be | 946 | |
ddae0349 EE |
947 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP && |
948 | dev->caps.bf_reg_size) | |
949 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP; | |
950 | ||
d57febe1 MB |
951 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP) |
952 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP; | |
953 | ||
ab9c17a0 | 954 | return 0; |
47605df9 JM |
955 | |
956 | err_mem: | |
99ec41d0 | 957 | kfree(dev->caps.qp0_qkey); |
47605df9 JM |
958 | kfree(dev->caps.qp0_tunnel); |
959 | kfree(dev->caps.qp0_proxy); | |
960 | kfree(dev->caps.qp1_tunnel); | |
961 | kfree(dev->caps.qp1_proxy); | |
99ec41d0 JM |
962 | dev->caps.qp0_qkey = NULL; |
963 | dev->caps.qp0_tunnel = NULL; | |
964 | dev->caps.qp0_proxy = NULL; | |
965 | dev->caps.qp1_tunnel = NULL; | |
966 | dev->caps.qp1_proxy = NULL; | |
47605df9 JM |
967 | |
968 | return err; | |
ab9c17a0 | 969 | } |
225c7b1f | 970 | |
b046ffe5 EP |
971 | static void mlx4_request_modules(struct mlx4_dev *dev) |
972 | { | |
973 | int port; | |
974 | int has_ib_port = false; | |
975 | int has_eth_port = false; | |
976 | #define EN_DRV_NAME "mlx4_en" | |
977 | #define IB_DRV_NAME "mlx4_ib" | |
978 | ||
979 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
980 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) | |
981 | has_ib_port = true; | |
982 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) | |
983 | has_eth_port = true; | |
984 | } | |
985 | ||
b046ffe5 EP |
986 | if (has_eth_port) |
987 | request_module_nowait(EN_DRV_NAME); | |
f24f790f OG |
988 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
989 | request_module_nowait(IB_DRV_NAME); | |
b046ffe5 EP |
990 | } |
991 | ||
7ff93f8b YP |
992 | /* |
993 | * Change the port configuration of the device. | |
994 | * Every user of this function must hold the port mutex. | |
995 | */ | |
27bf91d6 YP |
996 | int mlx4_change_port_types(struct mlx4_dev *dev, |
997 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
998 | { |
999 | int err = 0; | |
1000 | int change = 0; | |
1001 | int port; | |
1002 | ||
1003 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
1004 | /* Change the port type only if the new type is different |
1005 | * from the current, and not set to Auto */ | |
3d8f9308 | 1006 | if (port_types[port] != dev->caps.port_type[port + 1]) |
7ff93f8b | 1007 | change = 1; |
7ff93f8b YP |
1008 | } |
1009 | if (change) { | |
1010 | mlx4_unregister_device(dev); | |
1011 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1012 | mlx4_CLOSE_PORT(dev, port); | |
1e0f03d5 | 1013 | dev->caps.port_type[port] = port_types[port - 1]; |
6634961c | 1014 | err = mlx4_SET_PORT(dev, port, -1); |
7ff93f8b | 1015 | if (err) { |
1a91de28 JP |
1016 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
1017 | port); | |
7ff93f8b YP |
1018 | goto out; |
1019 | } | |
1020 | } | |
1021 | mlx4_set_port_mask(dev); | |
1022 | err = mlx4_register_device(dev); | |
b046ffe5 EP |
1023 | if (err) { |
1024 | mlx4_err(dev, "Failed to register device\n"); | |
1025 | goto out; | |
1026 | } | |
1027 | mlx4_request_modules(dev); | |
7ff93f8b YP |
1028 | } |
1029 | ||
1030 | out: | |
1031 | return err; | |
1032 | } | |
1033 | ||
1034 | static ssize_t show_port_type(struct device *dev, | |
1035 | struct device_attribute *attr, | |
1036 | char *buf) | |
1037 | { | |
1038 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1039 | port_attr); | |
1040 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
1041 | char type[8]; |
1042 | ||
1043 | sprintf(type, "%s", | |
1044 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
1045 | "ib" : "eth"); | |
1046 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
1047 | sprintf(buf, "auto (%s)\n", type); | |
1048 | else | |
1049 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 1050 | |
27bf91d6 | 1051 | return strlen(buf); |
7ff93f8b YP |
1052 | } |
1053 | ||
1054 | static ssize_t set_port_type(struct device *dev, | |
1055 | struct device_attribute *attr, | |
1056 | const char *buf, size_t count) | |
1057 | { | |
1058 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1059 | port_attr); | |
1060 | struct mlx4_dev *mdev = info->dev; | |
1061 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1062 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 1063 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
0a984556 | 1064 | static DEFINE_MUTEX(set_port_type_mutex); |
7ff93f8b YP |
1065 | int i; |
1066 | int err = 0; | |
1067 | ||
0a984556 AV |
1068 | mutex_lock(&set_port_type_mutex); |
1069 | ||
7ff93f8b YP |
1070 | if (!strcmp(buf, "ib\n")) |
1071 | info->tmp_type = MLX4_PORT_TYPE_IB; | |
1072 | else if (!strcmp(buf, "eth\n")) | |
1073 | info->tmp_type = MLX4_PORT_TYPE_ETH; | |
27bf91d6 YP |
1074 | else if (!strcmp(buf, "auto\n")) |
1075 | info->tmp_type = MLX4_PORT_TYPE_AUTO; | |
7ff93f8b YP |
1076 | else { |
1077 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
0a984556 AV |
1078 | err = -EINVAL; |
1079 | goto err_out; | |
7ff93f8b YP |
1080 | } |
1081 | ||
27bf91d6 | 1082 | mlx4_stop_sense(mdev); |
7ff93f8b | 1083 | mutex_lock(&priv->port_mutex); |
27bf91d6 YP |
1084 | /* Possible type is always the one that was delivered */ |
1085 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
1086 | ||
1087 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 1088 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
1089 | mdev->caps.possible_type[i+1]; |
1090 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
1091 | types[i] = mdev->caps.port_type[i+1]; | |
1092 | } | |
7ff93f8b | 1093 | |
58a60168 YP |
1094 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
1095 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { | |
27bf91d6 YP |
1096 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
1097 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
1098 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
1099 | err = -EINVAL; | |
1100 | } | |
1101 | } | |
1102 | } | |
1103 | if (err) { | |
1a91de28 | 1104 | 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 |
1105 | goto out; |
1106 | } | |
1107 | ||
1108 | mlx4_do_sense_ports(mdev, new_types, types); | |
1109 | ||
1110 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
1111 | if (err) |
1112 | goto out; | |
1113 | ||
27bf91d6 YP |
1114 | /* We are about to apply the changes after the configuration |
1115 | * was verified, no need to remember the temporary types | |
1116 | * any more */ | |
1117 | for (i = 0; i < mdev->caps.num_ports; i++) | |
1118 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 1119 | |
27bf91d6 | 1120 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
1121 | |
1122 | out: | |
27bf91d6 | 1123 | mlx4_start_sense(mdev); |
7ff93f8b | 1124 | mutex_unlock(&priv->port_mutex); |
0a984556 AV |
1125 | err_out: |
1126 | mutex_unlock(&set_port_type_mutex); | |
1127 | ||
7ff93f8b YP |
1128 | return err ? err : count; |
1129 | } | |
1130 | ||
096335b3 OG |
1131 | enum ibta_mtu { |
1132 | IB_MTU_256 = 1, | |
1133 | IB_MTU_512 = 2, | |
1134 | IB_MTU_1024 = 3, | |
1135 | IB_MTU_2048 = 4, | |
1136 | IB_MTU_4096 = 5 | |
1137 | }; | |
1138 | ||
1139 | static inline int int_to_ibta_mtu(int mtu) | |
1140 | { | |
1141 | switch (mtu) { | |
1142 | case 256: return IB_MTU_256; | |
1143 | case 512: return IB_MTU_512; | |
1144 | case 1024: return IB_MTU_1024; | |
1145 | case 2048: return IB_MTU_2048; | |
1146 | case 4096: return IB_MTU_4096; | |
1147 | default: return -1; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) | |
1152 | { | |
1153 | switch (mtu) { | |
1154 | case IB_MTU_256: return 256; | |
1155 | case IB_MTU_512: return 512; | |
1156 | case IB_MTU_1024: return 1024; | |
1157 | case IB_MTU_2048: return 2048; | |
1158 | case IB_MTU_4096: return 4096; | |
1159 | default: return -1; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | static ssize_t show_port_ib_mtu(struct device *dev, | |
1164 | struct device_attribute *attr, | |
1165 | char *buf) | |
1166 | { | |
1167 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1168 | port_mtu_attr); | |
1169 | struct mlx4_dev *mdev = info->dev; | |
1170 | ||
1171 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) | |
1172 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1173 | ||
1174 | sprintf(buf, "%d\n", | |
1175 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); | |
1176 | return strlen(buf); | |
1177 | } | |
1178 | ||
1179 | static ssize_t set_port_ib_mtu(struct device *dev, | |
1180 | struct device_attribute *attr, | |
1181 | const char *buf, size_t count) | |
1182 | { | |
1183 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1184 | port_mtu_attr); | |
1185 | struct mlx4_dev *mdev = info->dev; | |
1186 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1187 | int err, port, mtu, ibta_mtu = -1; | |
1188 | ||
1189 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { | |
1190 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1191 | return -EINVAL; | |
1192 | } | |
1193 | ||
618fad95 DB |
1194 | err = kstrtoint(buf, 0, &mtu); |
1195 | if (!err) | |
096335b3 OG |
1196 | ibta_mtu = int_to_ibta_mtu(mtu); |
1197 | ||
618fad95 | 1198 | if (err || ibta_mtu < 0) { |
096335b3 OG |
1199 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
1200 | return -EINVAL; | |
1201 | } | |
1202 | ||
1203 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; | |
1204 | ||
1205 | mlx4_stop_sense(mdev); | |
1206 | mutex_lock(&priv->port_mutex); | |
1207 | mlx4_unregister_device(mdev); | |
1208 | for (port = 1; port <= mdev->caps.num_ports; port++) { | |
1209 | mlx4_CLOSE_PORT(mdev, port); | |
6634961c | 1210 | err = mlx4_SET_PORT(mdev, port, -1); |
096335b3 | 1211 | if (err) { |
1a91de28 JP |
1212 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
1213 | port); | |
096335b3 OG |
1214 | goto err_set_port; |
1215 | } | |
1216 | } | |
1217 | err = mlx4_register_device(mdev); | |
1218 | err_set_port: | |
1219 | mutex_unlock(&priv->port_mutex); | |
1220 | mlx4_start_sense(mdev); | |
1221 | return err ? err : count; | |
1222 | } | |
1223 | ||
53f33ae2 MS |
1224 | int mlx4_bond(struct mlx4_dev *dev) |
1225 | { | |
1226 | int ret = 0; | |
1227 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1228 | ||
1229 | mutex_lock(&priv->bond_mutex); | |
1230 | ||
1231 | if (!mlx4_is_bonded(dev)) | |
1232 | ret = mlx4_do_bond(dev, true); | |
1233 | else | |
1234 | ret = 0; | |
1235 | ||
1236 | mutex_unlock(&priv->bond_mutex); | |
1237 | if (ret) | |
1238 | mlx4_err(dev, "Failed to bond device: %d\n", ret); | |
1239 | else | |
1240 | mlx4_dbg(dev, "Device is bonded\n"); | |
1241 | return ret; | |
1242 | } | |
1243 | EXPORT_SYMBOL_GPL(mlx4_bond); | |
1244 | ||
1245 | int mlx4_unbond(struct mlx4_dev *dev) | |
1246 | { | |
1247 | int ret = 0; | |
1248 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1249 | ||
1250 | mutex_lock(&priv->bond_mutex); | |
1251 | ||
1252 | if (mlx4_is_bonded(dev)) | |
1253 | ret = mlx4_do_bond(dev, false); | |
1254 | ||
1255 | mutex_unlock(&priv->bond_mutex); | |
1256 | if (ret) | |
1257 | mlx4_err(dev, "Failed to unbond device: %d\n", ret); | |
1258 | else | |
1259 | mlx4_dbg(dev, "Device is unbonded\n"); | |
1260 | return ret; | |
1261 | } | |
1262 | EXPORT_SYMBOL_GPL(mlx4_unbond); | |
1263 | ||
1264 | ||
1265 | int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) | |
1266 | { | |
1267 | u8 port1 = v2p->port1; | |
1268 | u8 port2 = v2p->port2; | |
1269 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1270 | int err; | |
1271 | ||
1272 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)) | |
1273 | return -ENOTSUPP; | |
1274 | ||
1275 | mutex_lock(&priv->bond_mutex); | |
1276 | ||
1277 | /* zero means keep current mapping for this port */ | |
1278 | if (port1 == 0) | |
1279 | port1 = priv->v2p.port1; | |
1280 | if (port2 == 0) | |
1281 | port2 = priv->v2p.port2; | |
1282 | ||
1283 | if ((port1 < 1) || (port1 > MLX4_MAX_PORTS) || | |
1284 | (port2 < 1) || (port2 > MLX4_MAX_PORTS) || | |
1285 | (port1 == 2 && port2 == 1)) { | |
1286 | /* besides boundary checks cross mapping makes | |
1287 | * no sense and therefore not allowed */ | |
1288 | err = -EINVAL; | |
1289 | } else if ((port1 == priv->v2p.port1) && | |
1290 | (port2 == priv->v2p.port2)) { | |
1291 | err = 0; | |
1292 | } else { | |
1293 | err = mlx4_virt2phy_port_map(dev, port1, port2); | |
1294 | if (!err) { | |
1295 | mlx4_dbg(dev, "port map changed: [%d][%d]\n", | |
1296 | port1, port2); | |
1297 | priv->v2p.port1 = port1; | |
1298 | priv->v2p.port2 = port2; | |
1299 | } else { | |
1300 | mlx4_err(dev, "Failed to change port mape: %d\n", err); | |
1301 | } | |
1302 | } | |
1303 | ||
1304 | mutex_unlock(&priv->bond_mutex); | |
1305 | return err; | |
1306 | } | |
1307 | EXPORT_SYMBOL_GPL(mlx4_port_map_set); | |
1308 | ||
e8f9b2ed | 1309 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
1310 | { |
1311 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1312 | int err; | |
1313 | ||
1314 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 1315 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1316 | if (!priv->fw.fw_icm) { |
1a91de28 | 1317 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
225c7b1f RD |
1318 | return -ENOMEM; |
1319 | } | |
1320 | ||
1321 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
1322 | if (err) { | |
1a91de28 | 1323 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
225c7b1f RD |
1324 | goto err_free; |
1325 | } | |
1326 | ||
1327 | err = mlx4_RUN_FW(dev); | |
1328 | if (err) { | |
1a91de28 | 1329 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
225c7b1f RD |
1330 | goto err_unmap_fa; |
1331 | } | |
1332 | ||
1333 | return 0; | |
1334 | ||
1335 | err_unmap_fa: | |
1336 | mlx4_UNMAP_FA(dev); | |
1337 | ||
1338 | err_free: | |
5b0bf5e2 | 1339 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
1340 | return err; |
1341 | } | |
1342 | ||
e8f9b2ed RD |
1343 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
1344 | int cmpt_entry_sz) | |
225c7b1f RD |
1345 | { |
1346 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1347 | int err; | |
ab9c17a0 | 1348 | int num_eqs; |
225c7b1f RD |
1349 | |
1350 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
1351 | cmpt_base + | |
1352 | ((u64) (MLX4_CMPT_TYPE_QP * | |
1353 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1354 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
1355 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1356 | 0, 0); | |
225c7b1f RD |
1357 | if (err) |
1358 | goto err; | |
1359 | ||
1360 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
1361 | cmpt_base + | |
1362 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
1363 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1364 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 1365 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
1366 | if (err) |
1367 | goto err_qp; | |
1368 | ||
1369 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
1370 | cmpt_base + | |
1371 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
1372 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1373 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 1374 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
1375 | if (err) |
1376 | goto err_srq; | |
1377 | ||
7ae0e400 | 1378 | num_eqs = dev->phys_caps.num_phys_eqs; |
225c7b1f RD |
1379 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
1380 | cmpt_base + | |
1381 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
1382 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 1383 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
1384 | if (err) |
1385 | goto err_cq; | |
1386 | ||
1387 | return 0; | |
1388 | ||
1389 | err_cq: | |
1390 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1391 | ||
1392 | err_srq: | |
1393 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1394 | ||
1395 | err_qp: | |
1396 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1397 | ||
1398 | err: | |
1399 | return err; | |
1400 | } | |
1401 | ||
3d73c288 RD |
1402 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
1403 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
1404 | { |
1405 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1406 | u64 aux_pages; | |
ab9c17a0 | 1407 | int num_eqs; |
225c7b1f RD |
1408 | int err; |
1409 | ||
1410 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
1411 | if (err) { | |
1a91de28 | 1412 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
225c7b1f RD |
1413 | return err; |
1414 | } | |
1415 | ||
1a91de28 | 1416 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory\n", |
225c7b1f RD |
1417 | (unsigned long long) icm_size >> 10, |
1418 | (unsigned long long) aux_pages << 2); | |
1419 | ||
1420 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 1421 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1422 | if (!priv->fw.aux_icm) { |
1a91de28 | 1423 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
225c7b1f RD |
1424 | return -ENOMEM; |
1425 | } | |
1426 | ||
1427 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
1428 | if (err) { | |
1a91de28 | 1429 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
225c7b1f RD |
1430 | goto err_free_aux; |
1431 | } | |
1432 | ||
1433 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
1434 | if (err) { | |
1a91de28 | 1435 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
225c7b1f RD |
1436 | goto err_unmap_aux; |
1437 | } | |
1438 | ||
ab9c17a0 | 1439 | |
7ae0e400 | 1440 | num_eqs = dev->phys_caps.num_phys_eqs; |
fa0681d2 RD |
1441 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
1442 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 1443 | num_eqs, num_eqs, 0, 0); |
225c7b1f | 1444 | if (err) { |
1a91de28 | 1445 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
225c7b1f RD |
1446 | goto err_unmap_cmpt; |
1447 | } | |
1448 | ||
d7bb58fb JM |
1449 | /* |
1450 | * Reserved MTT entries must be aligned up to a cacheline | |
1451 | * boundary, since the FW will write to them, while the driver | |
1452 | * writes to all other MTT entries. (The variable | |
1453 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
1454 | * size, not the raw entry size) | |
1455 | */ | |
1456 | dev->caps.reserved_mtts = | |
1457 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
1458 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
1459 | ||
225c7b1f RD |
1460 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
1461 | init_hca->mtt_base, | |
1462 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 1463 | dev->caps.num_mtts, |
5b0bf5e2 | 1464 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f | 1465 | if (err) { |
1a91de28 | 1466 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
225c7b1f RD |
1467 | goto err_unmap_eq; |
1468 | } | |
1469 | ||
1470 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
1471 | init_hca->dmpt_base, | |
1472 | dev_cap->dmpt_entry_sz, | |
1473 | dev->caps.num_mpts, | |
5b0bf5e2 | 1474 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f | 1475 | if (err) { |
1a91de28 | 1476 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
225c7b1f RD |
1477 | goto err_unmap_mtt; |
1478 | } | |
1479 | ||
1480 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
1481 | init_hca->qpc_base, | |
1482 | dev_cap->qpc_entry_sz, | |
1483 | dev->caps.num_qps, | |
93fc9e1b YP |
1484 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1485 | 0, 0); | |
225c7b1f | 1486 | if (err) { |
1a91de28 | 1487 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
225c7b1f RD |
1488 | goto err_unmap_dmpt; |
1489 | } | |
1490 | ||
1491 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
1492 | init_hca->auxc_base, | |
1493 | dev_cap->aux_entry_sz, | |
1494 | dev->caps.num_qps, | |
93fc9e1b YP |
1495 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1496 | 0, 0); | |
225c7b1f | 1497 | if (err) { |
1a91de28 | 1498 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
225c7b1f RD |
1499 | goto err_unmap_qp; |
1500 | } | |
1501 | ||
1502 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
1503 | init_hca->altc_base, | |
1504 | dev_cap->altc_entry_sz, | |
1505 | dev->caps.num_qps, | |
93fc9e1b YP |
1506 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1507 | 0, 0); | |
225c7b1f | 1508 | if (err) { |
1a91de28 | 1509 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
225c7b1f RD |
1510 | goto err_unmap_auxc; |
1511 | } | |
1512 | ||
1513 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
1514 | init_hca->rdmarc_base, | |
1515 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
1516 | dev->caps.num_qps, | |
93fc9e1b YP |
1517 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1518 | 0, 0); | |
225c7b1f RD |
1519 | if (err) { |
1520 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
1521 | goto err_unmap_altc; | |
1522 | } | |
1523 | ||
1524 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
1525 | init_hca->cqc_base, | |
1526 | dev_cap->cqc_entry_sz, | |
1527 | dev->caps.num_cqs, | |
5b0bf5e2 | 1528 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f | 1529 | if (err) { |
1a91de28 | 1530 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
225c7b1f RD |
1531 | goto err_unmap_rdmarc; |
1532 | } | |
1533 | ||
1534 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
1535 | init_hca->srqc_base, | |
1536 | dev_cap->srq_entry_sz, | |
1537 | dev->caps.num_srqs, | |
5b0bf5e2 | 1538 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f | 1539 | if (err) { |
1a91de28 | 1540 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
225c7b1f RD |
1541 | goto err_unmap_cq; |
1542 | } | |
1543 | ||
1544 | /* | |
0ff1fb65 HHZ |
1545 | * For flow steering device managed mode it is required to use |
1546 | * mlx4_init_icm_table. For B0 steering mode it's not strictly | |
1547 | * required, but for simplicity just map the whole multicast | |
1548 | * group table now. The table isn't very big and it's a lot | |
1549 | * easier than trying to track ref counts. | |
225c7b1f RD |
1550 | */ |
1551 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
1552 | init_hca->mc_base, |
1553 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
1554 | dev->caps.num_mgms + dev->caps.num_amgms, |
1555 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 1556 | 0, 0); |
225c7b1f | 1557 | if (err) { |
1a91de28 | 1558 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
225c7b1f RD |
1559 | goto err_unmap_srq; |
1560 | } | |
1561 | ||
1562 | return 0; | |
1563 | ||
1564 | err_unmap_srq: | |
1565 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1566 | ||
1567 | err_unmap_cq: | |
1568 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1569 | ||
1570 | err_unmap_rdmarc: | |
1571 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1572 | ||
1573 | err_unmap_altc: | |
1574 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1575 | ||
1576 | err_unmap_auxc: | |
1577 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1578 | ||
1579 | err_unmap_qp: | |
1580 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1581 | ||
1582 | err_unmap_dmpt: | |
1583 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1584 | ||
1585 | err_unmap_mtt: | |
1586 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
1587 | ||
1588 | err_unmap_eq: | |
fa0681d2 | 1589 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1590 | |
1591 | err_unmap_cmpt: | |
1592 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
1593 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1594 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1595 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1596 | ||
1597 | err_unmap_aux: | |
1598 | mlx4_UNMAP_ICM_AUX(dev); | |
1599 | ||
1600 | err_free_aux: | |
5b0bf5e2 | 1601 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1602 | |
1603 | return err; | |
1604 | } | |
1605 | ||
1606 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
1607 | { | |
1608 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1609 | ||
1610 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
1611 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1612 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1613 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1614 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1615 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1616 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1617 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1618 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 1619 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1620 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
1621 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1622 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1623 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
1624 | |
1625 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 1626 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1627 | } |
1628 | ||
ab9c17a0 JM |
1629 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
1630 | { | |
1631 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1632 | ||
f3d4c89e | 1633 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
0cd93027 YH |
1634 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, |
1635 | MLX4_COMM_TIME)) | |
1a91de28 | 1636 | mlx4_warn(dev, "Failed to close slave function\n"); |
f3d4c89e | 1637 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1638 | } |
1639 | ||
c1b43dca EC |
1640 | static int map_bf_area(struct mlx4_dev *dev) |
1641 | { | |
1642 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1643 | resource_size_t bf_start; | |
1644 | resource_size_t bf_len; | |
1645 | int err = 0; | |
1646 | ||
3d747473 JM |
1647 | if (!dev->caps.bf_reg_size) |
1648 | return -ENXIO; | |
1649 | ||
872bf2fb | 1650 | bf_start = pci_resource_start(dev->persist->pdev, 2) + |
ab9c17a0 | 1651 | (dev->caps.num_uars << PAGE_SHIFT); |
872bf2fb | 1652 | bf_len = pci_resource_len(dev->persist->pdev, 2) - |
ab9c17a0 | 1653 | (dev->caps.num_uars << PAGE_SHIFT); |
c1b43dca EC |
1654 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
1655 | if (!priv->bf_mapping) | |
1656 | err = -ENOMEM; | |
1657 | ||
1658 | return err; | |
1659 | } | |
1660 | ||
1661 | static void unmap_bf_area(struct mlx4_dev *dev) | |
1662 | { | |
1663 | if (mlx4_priv(dev)->bf_mapping) | |
1664 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
1665 | } | |
1666 | ||
ec693d47 AV |
1667 | cycle_t mlx4_read_clock(struct mlx4_dev *dev) |
1668 | { | |
1669 | u32 clockhi, clocklo, clockhi1; | |
1670 | cycle_t cycles; | |
1671 | int i; | |
1672 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1673 | ||
1674 | for (i = 0; i < 10; i++) { | |
1675 | clockhi = swab32(readl(priv->clock_mapping)); | |
1676 | clocklo = swab32(readl(priv->clock_mapping + 4)); | |
1677 | clockhi1 = swab32(readl(priv->clock_mapping)); | |
1678 | if (clockhi == clockhi1) | |
1679 | break; | |
1680 | } | |
1681 | ||
1682 | cycles = (u64) clockhi << 32 | (u64) clocklo; | |
1683 | ||
1684 | return cycles; | |
1685 | } | |
1686 | EXPORT_SYMBOL_GPL(mlx4_read_clock); | |
1687 | ||
1688 | ||
ddd8a6c1 EE |
1689 | static int map_internal_clock(struct mlx4_dev *dev) |
1690 | { | |
1691 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1692 | ||
1693 | priv->clock_mapping = | |
872bf2fb YH |
1694 | ioremap(pci_resource_start(dev->persist->pdev, |
1695 | priv->fw.clock_bar) + | |
ddd8a6c1 EE |
1696 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); |
1697 | ||
1698 | if (!priv->clock_mapping) | |
1699 | return -ENOMEM; | |
1700 | ||
1701 | return 0; | |
1702 | } | |
1703 | ||
52033cfb MB |
1704 | int mlx4_get_internal_clock_params(struct mlx4_dev *dev, |
1705 | struct mlx4_clock_params *params) | |
1706 | { | |
1707 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1708 | ||
1709 | if (mlx4_is_slave(dev)) | |
1710 | return -ENOTSUPP; | |
1711 | ||
1712 | if (!params) | |
1713 | return -EINVAL; | |
1714 | ||
1715 | params->bar = priv->fw.clock_bar; | |
1716 | params->offset = priv->fw.clock_offset; | |
1717 | params->size = MLX4_CLOCK_SIZE; | |
1718 | ||
1719 | return 0; | |
1720 | } | |
1721 | EXPORT_SYMBOL_GPL(mlx4_get_internal_clock_params); | |
1722 | ||
ddd8a6c1 EE |
1723 | static void unmap_internal_clock(struct mlx4_dev *dev) |
1724 | { | |
1725 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1726 | ||
1727 | if (priv->clock_mapping) | |
1728 | iounmap(priv->clock_mapping); | |
1729 | } | |
1730 | ||
225c7b1f RD |
1731 | static void mlx4_close_hca(struct mlx4_dev *dev) |
1732 | { | |
ddd8a6c1 | 1733 | unmap_internal_clock(dev); |
c1b43dca | 1734 | unmap_bf_area(dev); |
ab9c17a0 JM |
1735 | if (mlx4_is_slave(dev)) |
1736 | mlx4_slave_exit(dev); | |
1737 | else { | |
1738 | mlx4_CLOSE_HCA(dev, 0); | |
1739 | mlx4_free_icms(dev); | |
a0eacca9 MB |
1740 | } |
1741 | } | |
1742 | ||
1743 | static void mlx4_close_fw(struct mlx4_dev *dev) | |
1744 | { | |
1745 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
1746 | mlx4_UNMAP_FA(dev); |
1747 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
1748 | } | |
1749 | } | |
1750 | ||
55ad3592 YH |
1751 | static int mlx4_comm_check_offline(struct mlx4_dev *dev) |
1752 | { | |
1753 | #define COMM_CHAN_OFFLINE_OFFSET 0x09 | |
1754 | ||
1755 | u32 comm_flags; | |
1756 | u32 offline_bit; | |
1757 | unsigned long end; | |
1758 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1759 | ||
1760 | end = msecs_to_jiffies(MLX4_COMM_OFFLINE_TIME_OUT) + jiffies; | |
1761 | while (time_before(jiffies, end)) { | |
1762 | comm_flags = swab32(readl((__iomem char *)priv->mfunc.comm + | |
1763 | MLX4_COMM_CHAN_FLAGS)); | |
1764 | offline_bit = (comm_flags & | |
1765 | (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); | |
1766 | if (!offline_bit) | |
1767 | return 0; | |
1768 | /* There are cases as part of AER/Reset flow that PF needs | |
1769 | * around 100 msec to load. We therefore sleep for 100 msec | |
1770 | * to allow other tasks to make use of that CPU during this | |
1771 | * time interval. | |
1772 | */ | |
1773 | msleep(100); | |
1774 | } | |
1775 | mlx4_err(dev, "Communication channel is offline.\n"); | |
1776 | return -EIO; | |
1777 | } | |
1778 | ||
1779 | static void mlx4_reset_vf_support(struct mlx4_dev *dev) | |
1780 | { | |
1781 | #define COMM_CHAN_RST_OFFSET 0x1e | |
1782 | ||
1783 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1784 | u32 comm_rst; | |
1785 | u32 comm_caps; | |
1786 | ||
1787 | comm_caps = swab32(readl((__iomem char *)priv->mfunc.comm + | |
1788 | MLX4_COMM_CHAN_CAPS)); | |
1789 | comm_rst = (comm_caps & (u32)(1 << COMM_CHAN_RST_OFFSET)); | |
1790 | ||
1791 | if (comm_rst) | |
1792 | dev->caps.vf_caps |= MLX4_VF_CAP_FLAG_RESET; | |
1793 | } | |
1794 | ||
ab9c17a0 JM |
1795 | static int mlx4_init_slave(struct mlx4_dev *dev) |
1796 | { | |
1797 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1798 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
ab9c17a0 JM |
1799 | int ret_from_reset = 0; |
1800 | u32 slave_read; | |
1801 | u32 cmd_channel_ver; | |
1802 | ||
97989356 | 1803 | if (atomic_read(&pf_loading)) { |
1a91de28 | 1804 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
97989356 AV |
1805 | return -EPROBE_DEFER; |
1806 | } | |
1807 | ||
f3d4c89e | 1808 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1809 | priv->cmd.max_cmds = 1; |
55ad3592 YH |
1810 | if (mlx4_comm_check_offline(dev)) { |
1811 | mlx4_err(dev, "PF is not responsive, skipping initialization\n"); | |
1812 | goto err_offline; | |
1813 | } | |
1814 | ||
1815 | mlx4_reset_vf_support(dev); | |
ab9c17a0 JM |
1816 | mlx4_warn(dev, "Sending reset\n"); |
1817 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
0cd93027 | 1818 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME); |
ab9c17a0 JM |
1819 | /* if we are in the middle of flr the slave will try |
1820 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
1821 | if (ret_from_reset) { | |
1822 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1a91de28 | 1823 | mlx4_warn(dev, "slave is currently in the middle of FLR - Deferring probe\n"); |
5efe5355 JM |
1824 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
1825 | return -EPROBE_DEFER; | |
ab9c17a0 JM |
1826 | } else |
1827 | goto err; | |
1828 | } | |
1829 | ||
1830 | /* check the driver version - the slave I/F revision | |
1831 | * must match the master's */ | |
1832 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
1833 | cmd_channel_ver = mlx4_comm_get_version(); | |
1834 | ||
1835 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
1836 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1a91de28 | 1837 | mlx4_err(dev, "slave driver version is not supported by the master\n"); |
ab9c17a0 JM |
1838 | goto err; |
1839 | } | |
1840 | ||
1841 | mlx4_warn(dev, "Sending vhcr0\n"); | |
1842 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
0cd93027 | 1843 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
1844 | goto err; |
1845 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
0cd93027 | 1846 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
1847 | goto err; |
1848 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
0cd93027 | 1849 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 | 1850 | goto err; |
0cd93027 YH |
1851 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, |
1852 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) | |
ab9c17a0 | 1853 | goto err; |
f3d4c89e RD |
1854 | |
1855 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
ab9c17a0 JM |
1856 | return 0; |
1857 | ||
1858 | err: | |
0cd93027 | 1859 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, 0); |
55ad3592 | 1860 | err_offline: |
f3d4c89e | 1861 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1862 | return -EIO; |
225c7b1f RD |
1863 | } |
1864 | ||
6634961c JM |
1865 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
1866 | { | |
1867 | int i; | |
1868 | ||
1869 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
b6ffaeff JM |
1870 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
1871 | dev->caps.gid_table_len[i] = | |
449fc488 | 1872 | mlx4_get_slave_num_gids(dev, 0, i); |
b6ffaeff JM |
1873 | else |
1874 | dev->caps.gid_table_len[i] = 1; | |
6634961c JM |
1875 | dev->caps.pkey_table_len[i] = |
1876 | dev->phys_caps.pkey_phys_table_len[i] - 1; | |
1877 | } | |
1878 | } | |
1879 | ||
3c439b55 JM |
1880 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
1881 | { | |
1882 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; | |
1883 | ||
1884 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; | |
1885 | i++) { | |
1886 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) | |
1887 | break; | |
1888 | } | |
1889 | ||
1890 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; | |
1891 | } | |
1892 | ||
7d077cd3 MB |
1893 | static const char *dmfs_high_rate_steering_mode_str(int dmfs_high_steer_mode) |
1894 | { | |
1895 | switch (dmfs_high_steer_mode) { | |
1896 | case MLX4_STEERING_DMFS_A0_DEFAULT: | |
1897 | return "default performance"; | |
1898 | ||
1899 | case MLX4_STEERING_DMFS_A0_DYNAMIC: | |
1900 | return "dynamic hybrid mode"; | |
1901 | ||
1902 | case MLX4_STEERING_DMFS_A0_STATIC: | |
1903 | return "performance optimized for limited rule configuration (static)"; | |
1904 | ||
1905 | case MLX4_STEERING_DMFS_A0_DISABLE: | |
1906 | return "disabled performance optimized steering"; | |
1907 | ||
1908 | case MLX4_STEERING_DMFS_A0_NOT_SUPPORTED: | |
1909 | return "performance optimized steering not supported"; | |
1910 | ||
1911 | default: | |
1912 | return "Unrecognized mode"; | |
1913 | } | |
1914 | } | |
1915 | ||
1916 | #define MLX4_DMFS_A0_STEERING (1UL << 2) | |
1917 | ||
7b8157be JM |
1918 | static void choose_steering_mode(struct mlx4_dev *dev, |
1919 | struct mlx4_dev_cap *dev_cap) | |
1920 | { | |
7d077cd3 MB |
1921 | if (mlx4_log_num_mgm_entry_size <= 0) { |
1922 | if ((-mlx4_log_num_mgm_entry_size) & MLX4_DMFS_A0_STEERING) { | |
1923 | if (dev->caps.dmfs_high_steer_mode == | |
1924 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
1925 | mlx4_err(dev, "DMFS high rate mode not supported\n"); | |
1926 | else | |
1927 | dev->caps.dmfs_high_steer_mode = | |
1928 | MLX4_STEERING_DMFS_A0_STATIC; | |
1929 | } | |
1930 | } | |
1931 | ||
1932 | if (mlx4_log_num_mgm_entry_size <= 0 && | |
3c439b55 | 1933 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && |
7b8157be | 1934 | (!mlx4_is_mfunc(dev) || |
872bf2fb YH |
1935 | (dev_cap->fs_max_num_qp_per_entry >= |
1936 | (dev->persist->num_vfs + 1))) && | |
3c439b55 JM |
1937 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
1938 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { | |
1939 | dev->oper_log_mgm_entry_size = | |
1940 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry); | |
7b8157be JM |
1941 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
1942 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
1943 | dev->caps.fs_log_max_ucast_qp_range_size = | |
1944 | dev_cap->fs_log_max_ucast_qp_range_size; | |
1945 | } else { | |
7d077cd3 MB |
1946 | if (dev->caps.dmfs_high_steer_mode != |
1947 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
1948 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DISABLE; | |
7b8157be JM |
1949 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
1950 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1951 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; | |
1952 | else { | |
1953 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; | |
1954 | ||
1955 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || | |
1956 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1a91de28 | 1957 | 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 | 1958 | } |
3c439b55 JM |
1959 | dev->oper_log_mgm_entry_size = |
1960 | mlx4_log_num_mgm_entry_size > 0 ? | |
1961 | mlx4_log_num_mgm_entry_size : | |
1962 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; | |
7b8157be JM |
1963 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
1964 | } | |
1a91de28 | 1965 | mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, modparam log_num_mgm_entry_size = %d\n", |
3c439b55 JM |
1966 | mlx4_steering_mode_str(dev->caps.steering_mode), |
1967 | dev->oper_log_mgm_entry_size, | |
1968 | mlx4_log_num_mgm_entry_size); | |
7b8157be JM |
1969 | } |
1970 | ||
7ffdf726 OG |
1971 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
1972 | struct mlx4_dev_cap *dev_cap) | |
1973 | { | |
1974 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && | |
5eff6dad | 1975 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) |
7ffdf726 OG |
1976 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; |
1977 | else | |
1978 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; | |
1979 | ||
1980 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode | |
1981 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); | |
1982 | } | |
1983 | ||
7d077cd3 MB |
1984 | static int mlx4_validate_optimized_steering(struct mlx4_dev *dev) |
1985 | { | |
1986 | int i; | |
1987 | struct mlx4_port_cap port_cap; | |
1988 | ||
1989 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
1990 | return -EINVAL; | |
1991 | ||
1992 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
1993 | if (mlx4_dev_port(dev, i, &port_cap)) { | |
1994 | mlx4_err(dev, | |
1995 | "QUERY_DEV_CAP command failed, can't veify DMFS high rate steering.\n"); | |
1996 | } else if ((dev->caps.dmfs_high_steer_mode != | |
1997 | MLX4_STEERING_DMFS_A0_DEFAULT) && | |
1998 | (port_cap.dmfs_optimized_state == | |
1999 | !!(dev->caps.dmfs_high_steer_mode == | |
2000 | MLX4_STEERING_DMFS_A0_DISABLE))) { | |
2001 | mlx4_err(dev, | |
2002 | "DMFS high rate steer mode differ, driver requested %s but %s in FW.\n", | |
2003 | dmfs_high_rate_steering_mode_str( | |
2004 | dev->caps.dmfs_high_steer_mode), | |
2005 | (port_cap.dmfs_optimized_state ? | |
2006 | "enabled" : "disabled")); | |
2007 | } | |
2008 | } | |
2009 | ||
2010 | return 0; | |
2011 | } | |
2012 | ||
a0eacca9 | 2013 | static int mlx4_init_fw(struct mlx4_dev *dev) |
225c7b1f | 2014 | { |
2d928651 | 2015 | struct mlx4_mod_stat_cfg mlx4_cfg; |
a0eacca9 | 2016 | int err = 0; |
225c7b1f | 2017 | |
ab9c17a0 JM |
2018 | if (!mlx4_is_slave(dev)) { |
2019 | err = mlx4_QUERY_FW(dev); | |
2020 | if (err) { | |
2021 | if (err == -EACCES) | |
1a91de28 | 2022 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
ab9c17a0 | 2023 | else |
1a91de28 | 2024 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
bef772eb | 2025 | return err; |
ab9c17a0 | 2026 | } |
225c7b1f | 2027 | |
ab9c17a0 JM |
2028 | err = mlx4_load_fw(dev); |
2029 | if (err) { | |
1a91de28 | 2030 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
bef772eb | 2031 | return err; |
ab9c17a0 | 2032 | } |
225c7b1f | 2033 | |
ab9c17a0 JM |
2034 | mlx4_cfg.log_pg_sz_m = 1; |
2035 | mlx4_cfg.log_pg_sz = 0; | |
2036 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
2037 | if (err) | |
2038 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
a0eacca9 | 2039 | } |
2d928651 | 2040 | |
a0eacca9 MB |
2041 | return err; |
2042 | } | |
2043 | ||
2044 | static int mlx4_init_hca(struct mlx4_dev *dev) | |
2045 | { | |
2046 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2047 | struct mlx4_adapter adapter; | |
2048 | struct mlx4_dev_cap dev_cap; | |
2049 | struct mlx4_profile profile; | |
2050 | struct mlx4_init_hca_param init_hca; | |
2051 | u64 icm_size; | |
2052 | struct mlx4_config_dev_params params; | |
2053 | int err; | |
2054 | ||
2055 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
2056 | err = mlx4_dev_cap(dev, &dev_cap); |
2057 | if (err) { | |
1a91de28 | 2058 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
d0d01250 | 2059 | return err; |
ab9c17a0 | 2060 | } |
225c7b1f | 2061 | |
7b8157be | 2062 | choose_steering_mode(dev, &dev_cap); |
7ffdf726 | 2063 | choose_tunnel_offload_mode(dev, &dev_cap); |
7b8157be | 2064 | |
7d077cd3 MB |
2065 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC && |
2066 | mlx4_is_master(dev)) | |
2067 | dev->caps.function_caps |= MLX4_FUNC_CAP_DMFS_A0_STATIC; | |
2068 | ||
8e1a28e8 HHZ |
2069 | err = mlx4_get_phys_port_id(dev); |
2070 | if (err) | |
2071 | mlx4_err(dev, "Fail to get physical port id\n"); | |
2072 | ||
6634961c JM |
2073 | if (mlx4_is_master(dev)) |
2074 | mlx4_parav_master_pf_caps(dev); | |
2075 | ||
2599d858 AV |
2076 | if (mlx4_low_memory_profile()) { |
2077 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); | |
2078 | profile = low_mem_profile; | |
2079 | } else { | |
2080 | profile = default_profile; | |
2081 | } | |
0ff1fb65 HHZ |
2082 | if (dev->caps.steering_mode == |
2083 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2084 | profile.num_mcg = MLX4_FS_NUM_MCG; | |
225c7b1f | 2085 | |
ab9c17a0 JM |
2086 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
2087 | &init_hca); | |
2088 | if ((long long) icm_size < 0) { | |
2089 | err = icm_size; | |
d0d01250 | 2090 | return err; |
ab9c17a0 | 2091 | } |
225c7b1f | 2092 | |
a5bbe892 EC |
2093 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
2094 | ||
ab9c17a0 JM |
2095 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
2096 | init_hca.uar_page_sz = PAGE_SHIFT - 12; | |
e448834e SM |
2097 | init_hca.mw_enabled = 0; |
2098 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || | |
2099 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) | |
2100 | init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE; | |
c1b43dca | 2101 | |
ab9c17a0 JM |
2102 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
2103 | if (err) | |
d0d01250 | 2104 | return err; |
225c7b1f | 2105 | |
ab9c17a0 JM |
2106 | err = mlx4_INIT_HCA(dev, &init_hca); |
2107 | if (err) { | |
1a91de28 | 2108 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
ab9c17a0 JM |
2109 | goto err_free_icm; |
2110 | } | |
7ae0e400 MB |
2111 | |
2112 | if (dev_cap.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { | |
2113 | err = mlx4_query_func(dev, &dev_cap); | |
2114 | if (err < 0) { | |
2115 | mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n"); | |
d0d01250 | 2116 | goto err_close; |
7ae0e400 MB |
2117 | } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) { |
2118 | dev->caps.num_eqs = dev_cap.max_eqs; | |
2119 | dev->caps.reserved_eqs = dev_cap.reserved_eqs; | |
2120 | dev->caps.reserved_uars = dev_cap.reserved_uars; | |
2121 | } | |
2122 | } | |
2123 | ||
ddd8a6c1 EE |
2124 | /* |
2125 | * If TS is supported by FW | |
2126 | * read HCA frequency by QUERY_HCA command | |
2127 | */ | |
2128 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { | |
2129 | memset(&init_hca, 0, sizeof(init_hca)); | |
2130 | err = mlx4_QUERY_HCA(dev, &init_hca); | |
2131 | if (err) { | |
1a91de28 | 2132 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
ddd8a6c1 EE |
2133 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
2134 | } else { | |
2135 | dev->caps.hca_core_clock = | |
2136 | init_hca.hca_core_clock; | |
2137 | } | |
2138 | ||
2139 | /* In case we got HCA frequency 0 - disable timestamping | |
2140 | * to avoid dividing by zero | |
2141 | */ | |
2142 | if (!dev->caps.hca_core_clock) { | |
2143 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
2144 | mlx4_err(dev, | |
1a91de28 | 2145 | "HCA frequency is 0 - timestamping is not supported\n"); |
ddd8a6c1 EE |
2146 | } else if (map_internal_clock(dev)) { |
2147 | /* | |
2148 | * Map internal clock, | |
2149 | * in case of failure disable timestamping | |
2150 | */ | |
2151 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
1a91de28 | 2152 | mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported\n"); |
ddd8a6c1 EE |
2153 | } |
2154 | } | |
7d077cd3 MB |
2155 | |
2156 | if (dev->caps.dmfs_high_steer_mode != | |
2157 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) { | |
2158 | if (mlx4_validate_optimized_steering(dev)) | |
2159 | mlx4_warn(dev, "Optimized steering validation failed\n"); | |
2160 | ||
2161 | if (dev->caps.dmfs_high_steer_mode == | |
2162 | MLX4_STEERING_DMFS_A0_DISABLE) { | |
2163 | dev->caps.dmfs_high_rate_qpn_base = | |
2164 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
2165 | dev->caps.dmfs_high_rate_qpn_range = | |
2166 | MLX4_A0_STEERING_TABLE_SIZE; | |
2167 | } | |
2168 | ||
2169 | mlx4_dbg(dev, "DMFS high rate steer mode is: %s\n", | |
2170 | dmfs_high_rate_steering_mode_str( | |
2171 | dev->caps.dmfs_high_steer_mode)); | |
2172 | } | |
ab9c17a0 JM |
2173 | } else { |
2174 | err = mlx4_init_slave(dev); | |
2175 | if (err) { | |
5efe5355 JM |
2176 | if (err != -EPROBE_DEFER) |
2177 | mlx4_err(dev, "Failed to initialize slave\n"); | |
bef772eb | 2178 | return err; |
ab9c17a0 | 2179 | } |
225c7b1f | 2180 | |
ab9c17a0 JM |
2181 | err = mlx4_slave_cap(dev); |
2182 | if (err) { | |
2183 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
2184 | goto err_close; | |
2185 | } | |
225c7b1f RD |
2186 | } |
2187 | ||
ab9c17a0 JM |
2188 | if (map_bf_area(dev)) |
2189 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
2190 | ||
2191 | /*Only the master set the ports, all the rest got it from it.*/ | |
2192 | if (!mlx4_is_slave(dev)) | |
2193 | mlx4_set_port_mask(dev); | |
2194 | ||
225c7b1f RD |
2195 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
2196 | if (err) { | |
1a91de28 | 2197 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
bef772eb | 2198 | goto unmap_bf; |
225c7b1f RD |
2199 | } |
2200 | ||
f8c6455b SM |
2201 | /* Query CONFIG_DEV parameters */ |
2202 | err = mlx4_config_dev_retrieval(dev, ¶ms); | |
2203 | if (err && err != -ENOTSUPP) { | |
2204 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); | |
2205 | } else if (!err) { | |
2206 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; | |
2207 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; | |
2208 | } | |
225c7b1f | 2209 | priv->eq_table.inta_pin = adapter.inta_pin; |
cd9281d8 | 2210 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
2211 | |
2212 | return 0; | |
2213 | ||
bef772eb | 2214 | unmap_bf: |
ddd8a6c1 | 2215 | unmap_internal_clock(dev); |
bef772eb AY |
2216 | unmap_bf_area(dev); |
2217 | ||
b38f2879 | 2218 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 2219 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
2220 | kfree(dev->caps.qp0_tunnel); |
2221 | kfree(dev->caps.qp0_proxy); | |
2222 | kfree(dev->caps.qp1_tunnel); | |
2223 | kfree(dev->caps.qp1_proxy); | |
2224 | } | |
2225 | ||
225c7b1f | 2226 | err_close: |
41929ed2 DB |
2227 | if (mlx4_is_slave(dev)) |
2228 | mlx4_slave_exit(dev); | |
2229 | else | |
2230 | mlx4_CLOSE_HCA(dev, 0); | |
225c7b1f RD |
2231 | |
2232 | err_free_icm: | |
ab9c17a0 JM |
2233 | if (!mlx4_is_slave(dev)) |
2234 | mlx4_free_icms(dev); | |
225c7b1f | 2235 | |
225c7b1f RD |
2236 | return err; |
2237 | } | |
2238 | ||
f2a3f6a3 OG |
2239 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
2240 | { | |
2241 | struct mlx4_priv *priv = mlx4_priv(dev); | |
47d8417f | 2242 | int nent_pow2; |
f2a3f6a3 OG |
2243 | |
2244 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2245 | return -ENOENT; | |
2246 | ||
2632d18d EBE |
2247 | if (!dev->caps.max_counters) |
2248 | return -ENOSPC; | |
2249 | ||
47d8417f EBE |
2250 | nent_pow2 = roundup_pow_of_two(dev->caps.max_counters); |
2251 | /* reserve last counter index for sink counter */ | |
2252 | return mlx4_bitmap_init(&priv->counters_bitmap, nent_pow2, | |
2253 | nent_pow2 - 1, 0, | |
2254 | nent_pow2 - dev->caps.max_counters + 1); | |
f2a3f6a3 OG |
2255 | } |
2256 | ||
2257 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
2258 | { | |
efa6bc91 EBE |
2259 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2260 | return; | |
2261 | ||
2632d18d EBE |
2262 | if (!dev->caps.max_counters) |
2263 | return; | |
2264 | ||
f2a3f6a3 OG |
2265 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); |
2266 | } | |
2267 | ||
6de5f7f6 EBE |
2268 | static void mlx4_cleanup_default_counters(struct mlx4_dev *dev) |
2269 | { | |
2270 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2271 | int port; | |
2272 | ||
2273 | for (port = 0; port < dev->caps.num_ports; port++) | |
2274 | if (priv->def_counter[port] != -1) | |
2275 | mlx4_counter_free(dev, priv->def_counter[port]); | |
2276 | } | |
2277 | ||
2278 | static int mlx4_allocate_default_counters(struct mlx4_dev *dev) | |
2279 | { | |
2280 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2281 | int port, err = 0; | |
2282 | u32 idx; | |
2283 | ||
2284 | for (port = 0; port < dev->caps.num_ports; port++) | |
2285 | priv->def_counter[port] = -1; | |
2286 | ||
2287 | for (port = 0; port < dev->caps.num_ports; port++) { | |
2288 | err = mlx4_counter_alloc(dev, &idx); | |
2289 | ||
2290 | if (!err || err == -ENOSPC) { | |
2291 | priv->def_counter[port] = idx; | |
2292 | } else if (err == -ENOENT) { | |
2293 | err = 0; | |
2294 | continue; | |
178d23e3 OG |
2295 | } else if (mlx4_is_slave(dev) && err == -EINVAL) { |
2296 | priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); | |
2297 | mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", | |
2298 | MLX4_SINK_COUNTER_INDEX(dev)); | |
2299 | err = 0; | |
6de5f7f6 EBE |
2300 | } else { |
2301 | mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", | |
2302 | __func__, port + 1, err); | |
2303 | mlx4_cleanup_default_counters(dev); | |
2304 | return err; | |
2305 | } | |
2306 | ||
2307 | mlx4_dbg(dev, "%s: default counter index %d for port %d\n", | |
2308 | __func__, priv->def_counter[port], port + 1); | |
2309 | } | |
2310 | ||
2311 | return err; | |
2312 | } | |
2313 | ||
ba062d52 | 2314 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
f2a3f6a3 OG |
2315 | { |
2316 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2317 | ||
2318 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2319 | return -ENOENT; | |
2320 | ||
2321 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
6de5f7f6 EBE |
2322 | if (*idx == -1) { |
2323 | *idx = MLX4_SINK_COUNTER_INDEX(dev); | |
2324 | return -ENOSPC; | |
2325 | } | |
f2a3f6a3 OG |
2326 | |
2327 | return 0; | |
2328 | } | |
ba062d52 JM |
2329 | |
2330 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
2331 | { | |
2332 | u64 out_param; | |
2333 | int err; | |
2334 | ||
2335 | if (mlx4_is_mfunc(dev)) { | |
2336 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, | |
2337 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, | |
2338 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); | |
2339 | if (!err) | |
2340 | *idx = get_param_l(&out_param); | |
2341 | ||
2342 | return err; | |
2343 | } | |
2344 | return __mlx4_counter_alloc(dev, idx); | |
2345 | } | |
f2a3f6a3 OG |
2346 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
2347 | ||
b72ca7e9 EBE |
2348 | static int __mlx4_clear_if_stat(struct mlx4_dev *dev, |
2349 | u8 counter_index) | |
2350 | { | |
2351 | struct mlx4_cmd_mailbox *if_stat_mailbox; | |
2352 | int err; | |
2353 | u32 if_stat_in_mod = (counter_index & 0xff) | MLX4_QUERY_IF_STAT_RESET; | |
2354 | ||
2355 | if_stat_mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2356 | if (IS_ERR(if_stat_mailbox)) | |
2357 | return PTR_ERR(if_stat_mailbox); | |
2358 | ||
2359 | err = mlx4_cmd_box(dev, 0, if_stat_mailbox->dma, if_stat_in_mod, 0, | |
2360 | MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C, | |
2361 | MLX4_CMD_NATIVE); | |
2362 | ||
2363 | mlx4_free_cmd_mailbox(dev, if_stat_mailbox); | |
2364 | return err; | |
2365 | } | |
2366 | ||
ba062d52 | 2367 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
f2a3f6a3 | 2368 | { |
efa6bc91 EBE |
2369 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2370 | return; | |
2371 | ||
6de5f7f6 EBE |
2372 | if (idx == MLX4_SINK_COUNTER_INDEX(dev)) |
2373 | return; | |
2374 | ||
b72ca7e9 EBE |
2375 | __mlx4_clear_if_stat(dev, idx); |
2376 | ||
7c6d74d2 | 2377 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
f2a3f6a3 OG |
2378 | return; |
2379 | } | |
ba062d52 JM |
2380 | |
2381 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
2382 | { | |
e7dbeba8 | 2383 | u64 in_param = 0; |
ba062d52 JM |
2384 | |
2385 | if (mlx4_is_mfunc(dev)) { | |
2386 | set_param_l(&in_param, idx); | |
2387 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, | |
2388 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, | |
2389 | MLX4_CMD_WRAPPED); | |
2390 | return; | |
2391 | } | |
2392 | __mlx4_counter_free(dev, idx); | |
2393 | } | |
f2a3f6a3 OG |
2394 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
2395 | ||
6de5f7f6 EBE |
2396 | int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port) |
2397 | { | |
2398 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2399 | ||
2400 | return priv->def_counter[port - 1]; | |
2401 | } | |
2402 | EXPORT_SYMBOL_GPL(mlx4_get_default_counter_index); | |
2403 | ||
773af94e YH |
2404 | void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, int port) |
2405 | { | |
2406 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2407 | ||
2408 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2409 | } | |
2410 | EXPORT_SYMBOL_GPL(mlx4_set_admin_guid); | |
2411 | ||
2412 | __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) | |
2413 | { | |
2414 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2415 | ||
2416 | return priv->mfunc.master.vf_admin[entry].vport[port].guid; | |
2417 | } | |
2418 | EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); | |
2419 | ||
fb517a4f YH |
2420 | void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) |
2421 | { | |
2422 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2423 | __be64 guid; | |
2424 | ||
2425 | /* hw GUID */ | |
2426 | if (entry == 0) | |
2427 | return; | |
2428 | ||
2429 | get_random_bytes((char *)&guid, sizeof(guid)); | |
2430 | guid &= ~(cpu_to_be64(1ULL << 56)); | |
2431 | guid |= cpu_to_be64(1ULL << 57); | |
2432 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2433 | } | |
2434 | ||
3d73c288 | 2435 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
2436 | { |
2437 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2438 | int err; | |
7ff93f8b | 2439 | int port; |
9a5aa622 | 2440 | __be32 ib_port_default_caps; |
225c7b1f | 2441 | |
225c7b1f RD |
2442 | err = mlx4_init_uar_table(dev); |
2443 | if (err) { | |
1a91de28 JP |
2444 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
2445 | return err; | |
225c7b1f RD |
2446 | } |
2447 | ||
2448 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
2449 | if (err) { | |
1a91de28 | 2450 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
225c7b1f RD |
2451 | goto err_uar_table_free; |
2452 | } | |
2453 | ||
4979d18f | 2454 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f | 2455 | if (!priv->kar) { |
1a91de28 | 2456 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
225c7b1f RD |
2457 | err = -ENOMEM; |
2458 | goto err_uar_free; | |
2459 | } | |
2460 | ||
2461 | err = mlx4_init_pd_table(dev); | |
2462 | if (err) { | |
1a91de28 | 2463 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
225c7b1f RD |
2464 | goto err_kar_unmap; |
2465 | } | |
2466 | ||
012a8ff5 SH |
2467 | err = mlx4_init_xrcd_table(dev); |
2468 | if (err) { | |
1a91de28 | 2469 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
012a8ff5 SH |
2470 | goto err_pd_table_free; |
2471 | } | |
2472 | ||
225c7b1f RD |
2473 | err = mlx4_init_mr_table(dev); |
2474 | if (err) { | |
1a91de28 | 2475 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
012a8ff5 | 2476 | goto err_xrcd_table_free; |
225c7b1f RD |
2477 | } |
2478 | ||
fe6f700d YP |
2479 | if (!mlx4_is_slave(dev)) { |
2480 | err = mlx4_init_mcg_table(dev); | |
2481 | if (err) { | |
1a91de28 | 2482 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
fe6f700d YP |
2483 | goto err_mr_table_free; |
2484 | } | |
114840c3 JM |
2485 | err = mlx4_config_mad_demux(dev); |
2486 | if (err) { | |
2487 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); | |
2488 | goto err_mcg_table_free; | |
2489 | } | |
fe6f700d YP |
2490 | } |
2491 | ||
225c7b1f RD |
2492 | err = mlx4_init_eq_table(dev); |
2493 | if (err) { | |
1a91de28 | 2494 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
fe6f700d | 2495 | goto err_mcg_table_free; |
225c7b1f RD |
2496 | } |
2497 | ||
2498 | err = mlx4_cmd_use_events(dev); | |
2499 | if (err) { | |
1a91de28 | 2500 | mlx4_err(dev, "Failed to switch to event-driven firmware commands, aborting\n"); |
225c7b1f RD |
2501 | goto err_eq_table_free; |
2502 | } | |
2503 | ||
2504 | err = mlx4_NOP(dev); | |
2505 | if (err) { | |
08fb1055 | 2506 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1a91de28 | 2507 | mlx4_warn(dev, "NOP command failed to generate MSI-X interrupt IRQ %d)\n", |
c66fa19c | 2508 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
1a91de28 | 2509 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
08fb1055 | 2510 | } else { |
1a91de28 | 2511 | mlx4_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting\n", |
c66fa19c | 2512 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
225c7b1f | 2513 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 2514 | } |
225c7b1f RD |
2515 | |
2516 | goto err_cmd_poll; | |
2517 | } | |
2518 | ||
2519 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
2520 | ||
2521 | err = mlx4_init_cq_table(dev); | |
2522 | if (err) { | |
1a91de28 | 2523 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
225c7b1f RD |
2524 | goto err_cmd_poll; |
2525 | } | |
2526 | ||
2527 | err = mlx4_init_srq_table(dev); | |
2528 | if (err) { | |
1a91de28 | 2529 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
225c7b1f RD |
2530 | goto err_cq_table_free; |
2531 | } | |
2532 | ||
2533 | err = mlx4_init_qp_table(dev); | |
2534 | if (err) { | |
1a91de28 | 2535 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
225c7b1f RD |
2536 | goto err_srq_table_free; |
2537 | } | |
2538 | ||
2632d18d EBE |
2539 | if (!mlx4_is_slave(dev)) { |
2540 | err = mlx4_init_counters_table(dev); | |
2541 | if (err && err != -ENOENT) { | |
2542 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); | |
2543 | goto err_qp_table_free; | |
2544 | } | |
f2a3f6a3 OG |
2545 | } |
2546 | ||
6de5f7f6 EBE |
2547 | err = mlx4_allocate_default_counters(dev); |
2548 | if (err) { | |
2549 | mlx4_err(dev, "Failed to allocate default counters, aborting\n"); | |
2550 | goto err_counters_table_free; | |
f2a3f6a3 OG |
2551 | } |
2552 | ||
ab9c17a0 JM |
2553 | if (!mlx4_is_slave(dev)) { |
2554 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
ab9c17a0 JM |
2555 | ib_port_default_caps = 0; |
2556 | err = mlx4_get_port_ib_caps(dev, port, | |
2557 | &ib_port_default_caps); | |
2558 | if (err) | |
1a91de28 JP |
2559 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
2560 | port, err); | |
ab9c17a0 JM |
2561 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
2562 | ||
2aca1172 JM |
2563 | /* initialize per-slave default ib port capabilities */ |
2564 | if (mlx4_is_master(dev)) { | |
2565 | int i; | |
2566 | for (i = 0; i < dev->num_slaves; i++) { | |
2567 | if (i == mlx4_master_func_num(dev)) | |
2568 | continue; | |
2569 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = | |
1a91de28 | 2570 | ib_port_default_caps; |
2aca1172 JM |
2571 | } |
2572 | } | |
2573 | ||
096335b3 OG |
2574 | if (mlx4_is_mfunc(dev)) |
2575 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; | |
2576 | else | |
2577 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; | |
97285b78 | 2578 | |
6634961c JM |
2579 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
2580 | dev->caps.pkey_table_len[port] : -1); | |
ab9c17a0 JM |
2581 | if (err) { |
2582 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1a91de28 | 2583 | port); |
6de5f7f6 | 2584 | goto err_default_countes_free; |
ab9c17a0 | 2585 | } |
7ff93f8b YP |
2586 | } |
2587 | } | |
2588 | ||
225c7b1f RD |
2589 | return 0; |
2590 | ||
6de5f7f6 EBE |
2591 | err_default_countes_free: |
2592 | mlx4_cleanup_default_counters(dev); | |
2593 | ||
f2a3f6a3 | 2594 | err_counters_table_free: |
2632d18d EBE |
2595 | if (!mlx4_is_slave(dev)) |
2596 | mlx4_cleanup_counters_table(dev); | |
f2a3f6a3 | 2597 | |
225c7b1f RD |
2598 | err_qp_table_free: |
2599 | mlx4_cleanup_qp_table(dev); | |
2600 | ||
2601 | err_srq_table_free: | |
2602 | mlx4_cleanup_srq_table(dev); | |
2603 | ||
2604 | err_cq_table_free: | |
2605 | mlx4_cleanup_cq_table(dev); | |
2606 | ||
2607 | err_cmd_poll: | |
2608 | mlx4_cmd_use_polling(dev); | |
2609 | ||
2610 | err_eq_table_free: | |
2611 | mlx4_cleanup_eq_table(dev); | |
2612 | ||
fe6f700d YP |
2613 | err_mcg_table_free: |
2614 | if (!mlx4_is_slave(dev)) | |
2615 | mlx4_cleanup_mcg_table(dev); | |
2616 | ||
ee49bd93 | 2617 | err_mr_table_free: |
225c7b1f RD |
2618 | mlx4_cleanup_mr_table(dev); |
2619 | ||
012a8ff5 SH |
2620 | err_xrcd_table_free: |
2621 | mlx4_cleanup_xrcd_table(dev); | |
2622 | ||
225c7b1f RD |
2623 | err_pd_table_free: |
2624 | mlx4_cleanup_pd_table(dev); | |
2625 | ||
2626 | err_kar_unmap: | |
2627 | iounmap(priv->kar); | |
2628 | ||
2629 | err_uar_free: | |
2630 | mlx4_uar_free(dev, &priv->driver_uar); | |
2631 | ||
2632 | err_uar_table_free: | |
2633 | mlx4_cleanup_uar_table(dev); | |
2634 | return err; | |
2635 | } | |
2636 | ||
de161803 IS |
2637 | static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn) |
2638 | { | |
2639 | int requested_cpu = 0; | |
2640 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2641 | struct mlx4_eq *eq; | |
2642 | int off = 0; | |
2643 | int i; | |
2644 | ||
2645 | if (eqn > dev->caps.num_comp_vectors) | |
2646 | return -EINVAL; | |
2647 | ||
2648 | for (i = 1; i < port; i++) | |
2649 | off += mlx4_get_eqs_per_port(dev, i); | |
2650 | ||
2651 | requested_cpu = eqn - off - !!(eqn > MLX4_EQ_ASYNC); | |
2652 | ||
2653 | /* Meaning EQs are shared, and this call comes from the second port */ | |
2654 | if (requested_cpu < 0) | |
2655 | return 0; | |
2656 | ||
2657 | eq = &priv->eq_table.eq[eqn]; | |
2658 | ||
2659 | if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL)) | |
2660 | return -ENOMEM; | |
2661 | ||
2662 | cpumask_set_cpu(requested_cpu, eq->affinity_mask); | |
2663 | ||
2664 | return 0; | |
2665 | } | |
2666 | ||
e8f9b2ed | 2667 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
2668 | { |
2669 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 2670 | struct msix_entry *entries; |
225c7b1f | 2671 | int i; |
c66fa19c | 2672 | int port = 0; |
225c7b1f RD |
2673 | |
2674 | if (msi_x) { | |
c66fa19c | 2675 | int nreq = dev->caps.num_ports * num_online_cpus() + 1; |
7ae0e400 | 2676 | |
ca4c7b35 OG |
2677 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
2678 | nreq); | |
85121d6e | 2679 | if (nreq > MAX_MSIX) |
9293267a | 2680 | nreq = MAX_MSIX; |
ab9c17a0 | 2681 | |
b8dd786f YP |
2682 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
2683 | if (!entries) | |
2684 | goto no_msi; | |
2685 | ||
2686 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
2687 | entries[i].entry = i; |
2688 | ||
872bf2fb YH |
2689 | nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2, |
2690 | nreq); | |
66e2f9c1 | 2691 | |
c66fa19c | 2692 | if (nreq < 0 || nreq < MLX4_EQ_ASYNC) { |
5bf0da7d | 2693 | kfree(entries); |
225c7b1f | 2694 | goto no_msi; |
0b7ca5a9 | 2695 | } |
c66fa19c MB |
2696 | /* 1 is reserved for events (asyncrounous EQ) */ |
2697 | dev->caps.num_comp_vectors = nreq - 1; | |
2698 | ||
2699 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq = entries[0].vector; | |
2700 | bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, | |
2701 | dev->caps.num_ports); | |
2702 | ||
2703 | for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { | |
2704 | if (i == MLX4_EQ_ASYNC) | |
2705 | continue; | |
2706 | ||
2707 | priv->eq_table.eq[i].irq = | |
2708 | entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; | |
2709 | ||
85121d6e | 2710 | if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { |
c66fa19c MB |
2711 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
2712 | dev->caps.num_ports); | |
de161803 IS |
2713 | /* We don't set affinity hint when there |
2714 | * aren't enough EQs | |
2715 | */ | |
c66fa19c MB |
2716 | } else { |
2717 | set_bit(port, | |
2718 | priv->eq_table.eq[i].actv_ports.ports); | |
de161803 IS |
2719 | if (mlx4_init_affinity_hint(dev, port + 1, i)) |
2720 | mlx4_warn(dev, "Couldn't init hint cpumask for EQ %d\n", | |
2721 | i); | |
c66fa19c MB |
2722 | } |
2723 | /* We divide the Eqs evenly between the two ports. | |
2724 | * (dev->caps.num_comp_vectors / dev->caps.num_ports) | |
2725 | * refers to the number of Eqs per port | |
2726 | * (i.e eqs_per_port). Theoretically, we would like to | |
2727 | * write something like (i + 1) % eqs_per_port == 0. | |
2728 | * However, since there's an asynchronous Eq, we have | |
2729 | * to skip over it by comparing this condition to | |
2730 | * !!((i + 1) > MLX4_EQ_ASYNC). | |
2731 | */ | |
2732 | if ((dev->caps.num_comp_vectors > dev->caps.num_ports) && | |
2733 | ((i + 1) % | |
2734 | (dev->caps.num_comp_vectors / dev->caps.num_ports)) == | |
2735 | !!((i + 1) > MLX4_EQ_ASYNC)) | |
2736 | /* If dev->caps.num_comp_vectors < dev->caps.num_ports, | |
2737 | * everything is shared anyway. | |
2738 | */ | |
2739 | port++; | |
2740 | } | |
225c7b1f RD |
2741 | |
2742 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
2743 | |
2744 | kfree(entries); | |
225c7b1f RD |
2745 | return; |
2746 | } | |
2747 | ||
2748 | no_msi: | |
b8dd786f YP |
2749 | dev->caps.num_comp_vectors = 1; |
2750 | ||
c66fa19c MB |
2751 | BUG_ON(MLX4_EQ_ASYNC >= 2); |
2752 | for (i = 0; i < 2; ++i) { | |
872bf2fb | 2753 | priv->eq_table.eq[i].irq = dev->persist->pdev->irq; |
c66fa19c MB |
2754 | if (i != MLX4_EQ_ASYNC) { |
2755 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, | |
2756 | dev->caps.num_ports); | |
2757 | } | |
2758 | } | |
225c7b1f RD |
2759 | } |
2760 | ||
7ff93f8b | 2761 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 YP |
2762 | { |
2763 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; | |
7ff93f8b | 2764 | int err = 0; |
2a2336f8 YP |
2765 | |
2766 | info->dev = dev; | |
2767 | info->port = port; | |
ab9c17a0 | 2768 | if (!mlx4_is_slave(dev)) { |
ab9c17a0 JM |
2769 | mlx4_init_mac_table(dev, &info->mac_table); |
2770 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
111c6094 | 2771 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
16a10ffd | 2772 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
ab9c17a0 | 2773 | } |
7ff93f8b YP |
2774 | |
2775 | sprintf(info->dev_name, "mlx4_port%d", port); | |
2776 | info->port_attr.attr.name = info->dev_name; | |
ab9c17a0 JM |
2777 | if (mlx4_is_mfunc(dev)) |
2778 | info->port_attr.attr.mode = S_IRUGO; | |
2779 | else { | |
2780 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2781 | info->port_attr.store = set_port_type; | |
2782 | } | |
7ff93f8b | 2783 | info->port_attr.show = show_port_type; |
3691c964 | 2784 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b | 2785 | |
872bf2fb | 2786 | err = device_create_file(&dev->persist->pdev->dev, &info->port_attr); |
7ff93f8b YP |
2787 | if (err) { |
2788 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
2789 | info->port = -1; | |
2790 | } | |
2791 | ||
096335b3 OG |
2792 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
2793 | info->port_mtu_attr.attr.name = info->dev_mtu_name; | |
2794 | if (mlx4_is_mfunc(dev)) | |
2795 | info->port_mtu_attr.attr.mode = S_IRUGO; | |
2796 | else { | |
2797 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2798 | info->port_mtu_attr.store = set_port_ib_mtu; | |
2799 | } | |
2800 | info->port_mtu_attr.show = show_port_ib_mtu; | |
2801 | sysfs_attr_init(&info->port_mtu_attr.attr); | |
2802 | ||
872bf2fb YH |
2803 | err = device_create_file(&dev->persist->pdev->dev, |
2804 | &info->port_mtu_attr); | |
096335b3 OG |
2805 | if (err) { |
2806 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); | |
872bf2fb YH |
2807 | device_remove_file(&info->dev->persist->pdev->dev, |
2808 | &info->port_attr); | |
096335b3 OG |
2809 | info->port = -1; |
2810 | } | |
2811 | ||
7ff93f8b YP |
2812 | return err; |
2813 | } | |
2814 | ||
2815 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
2816 | { | |
2817 | if (info->port < 0) | |
2818 | return; | |
2819 | ||
872bf2fb YH |
2820 | device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); |
2821 | device_remove_file(&info->dev->persist->pdev->dev, | |
2822 | &info->port_mtu_attr); | |
c66fa19c MB |
2823 | #ifdef CONFIG_RFS_ACCEL |
2824 | free_irq_cpu_rmap(info->rmap); | |
2825 | info->rmap = NULL; | |
2826 | #endif | |
2a2336f8 YP |
2827 | } |
2828 | ||
b12d93d6 YP |
2829 | static int mlx4_init_steering(struct mlx4_dev *dev) |
2830 | { | |
2831 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2832 | int num_entries = dev->caps.num_ports; | |
2833 | int i, j; | |
2834 | ||
2835 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
2836 | if (!priv->steer) | |
2837 | return -ENOMEM; | |
2838 | ||
45b51365 | 2839 | for (i = 0; i < num_entries; i++) |
b12d93d6 YP |
2840 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
2841 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
2842 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
2843 | } | |
b12d93d6 YP |
2844 | return 0; |
2845 | } | |
2846 | ||
2847 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
2848 | { | |
2849 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2850 | struct mlx4_steer_index *entry, *tmp_entry; | |
2851 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
2852 | int num_entries = dev->caps.num_ports; | |
2853 | int i, j; | |
2854 | ||
2855 | for (i = 0; i < num_entries; i++) { | |
2856 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
2857 | list_for_each_entry_safe(pqp, tmp_pqp, | |
2858 | &priv->steer[i].promisc_qps[j], | |
2859 | list) { | |
2860 | list_del(&pqp->list); | |
2861 | kfree(pqp); | |
2862 | } | |
2863 | list_for_each_entry_safe(entry, tmp_entry, | |
2864 | &priv->steer[i].steer_entries[j], | |
2865 | list) { | |
2866 | list_del(&entry->list); | |
2867 | list_for_each_entry_safe(pqp, tmp_pqp, | |
2868 | &entry->duplicates, | |
2869 | list) { | |
2870 | list_del(&pqp->list); | |
2871 | kfree(pqp); | |
2872 | } | |
2873 | kfree(entry); | |
2874 | } | |
2875 | } | |
2876 | } | |
2877 | kfree(priv->steer); | |
2878 | } | |
2879 | ||
ab9c17a0 JM |
2880 | static int extended_func_num(struct pci_dev *pdev) |
2881 | { | |
2882 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
2883 | } | |
2884 | ||
2885 | #define MLX4_OWNER_BASE 0x8069c | |
2886 | #define MLX4_OWNER_SIZE 4 | |
2887 | ||
2888 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
2889 | { | |
2890 | void __iomem *owner; | |
2891 | u32 ret; | |
2892 | ||
872bf2fb | 2893 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
2894 | return -EIO; |
2895 | ||
872bf2fb YH |
2896 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
2897 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
2898 | MLX4_OWNER_SIZE); |
2899 | if (!owner) { | |
2900 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
2901 | return -ENOMEM; | |
2902 | } | |
2903 | ||
2904 | ret = readl(owner); | |
2905 | iounmap(owner); | |
2906 | return (int) !!ret; | |
2907 | } | |
2908 | ||
2909 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
2910 | { | |
2911 | void __iomem *owner; | |
2912 | ||
872bf2fb | 2913 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
2914 | return; |
2915 | ||
872bf2fb YH |
2916 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
2917 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
2918 | MLX4_OWNER_SIZE); |
2919 | if (!owner) { | |
2920 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
2921 | return; | |
2922 | } | |
2923 | writel(0, owner); | |
2924 | msleep(1000); | |
2925 | iounmap(owner); | |
2926 | } | |
2927 | ||
a0eacca9 MB |
2928 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
2929 | !!((flags) & MLX4_FLAG_MASTER)) | |
2930 | ||
2931 | static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev, | |
55ad3592 | 2932 | u8 total_vfs, int existing_vfs, int reset_flow) |
a0eacca9 MB |
2933 | { |
2934 | u64 dev_flags = dev->flags; | |
da315679 | 2935 | int err = 0; |
0beb44b0 CS |
2936 | int fw_enabled_sriov_vfs = min(pci_sriov_get_totalvfs(pdev), |
2937 | MLX4_MAX_NUM_VF); | |
a0eacca9 | 2938 | |
55ad3592 YH |
2939 | if (reset_flow) { |
2940 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), | |
2941 | GFP_KERNEL); | |
2942 | if (!dev->dev_vfs) | |
2943 | goto free_mem; | |
2944 | return dev_flags; | |
2945 | } | |
2946 | ||
da315679 MB |
2947 | atomic_inc(&pf_loading); |
2948 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
2949 | if (existing_vfs != total_vfs) { | |
2950 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", | |
2951 | existing_vfs, total_vfs); | |
2952 | total_vfs = existing_vfs; | |
2953 | } | |
2954 | } | |
2955 | ||
2956 | dev->dev_vfs = kzalloc(total_vfs * sizeof(*dev->dev_vfs), GFP_KERNEL); | |
a0eacca9 MB |
2957 | if (NULL == dev->dev_vfs) { |
2958 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); | |
2959 | goto disable_sriov; | |
da315679 MB |
2960 | } |
2961 | ||
2962 | if (!(dev->flags & MLX4_FLAG_SRIOV)) { | |
0beb44b0 CS |
2963 | if (total_vfs > fw_enabled_sriov_vfs) { |
2964 | mlx4_err(dev, "requested vfs (%d) > available vfs (%d). Continuing without SR_IOV\n", | |
2965 | total_vfs, fw_enabled_sriov_vfs); | |
2966 | err = -ENOMEM; | |
2967 | goto disable_sriov; | |
2968 | } | |
da315679 MB |
2969 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); |
2970 | err = pci_enable_sriov(pdev, total_vfs); | |
2971 | } | |
2972 | if (err) { | |
2973 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", | |
2974 | err); | |
2975 | goto disable_sriov; | |
2976 | } else { | |
2977 | mlx4_warn(dev, "Running in master mode\n"); | |
2978 | dev_flags |= MLX4_FLAG_SRIOV | | |
2979 | MLX4_FLAG_MASTER; | |
2980 | dev_flags &= ~MLX4_FLAG_SLAVE; | |
872bf2fb | 2981 | dev->persist->num_vfs = total_vfs; |
a0eacca9 MB |
2982 | } |
2983 | return dev_flags; | |
2984 | ||
2985 | disable_sriov: | |
da315679 | 2986 | atomic_dec(&pf_loading); |
55ad3592 | 2987 | free_mem: |
872bf2fb | 2988 | dev->persist->num_vfs = 0; |
a0eacca9 | 2989 | kfree(dev->dev_vfs); |
5114a04e | 2990 | dev->dev_vfs = NULL; |
a0eacca9 MB |
2991 | return dev_flags & ~MLX4_FLAG_MASTER; |
2992 | } | |
2993 | ||
de966c59 MB |
2994 | enum { |
2995 | MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64 = -1, | |
2996 | }; | |
2997 | ||
2998 | static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, | |
2999 | int *nvfs) | |
3000 | { | |
3001 | int requested_vfs = nvfs[0] + nvfs[1] + nvfs[2]; | |
3002 | /* Checking for 64 VFs as a limitation of CX2 */ | |
3003 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_80_VFS) && | |
3004 | requested_vfs >= 64) { | |
3005 | mlx4_err(dev, "Requested %d VFs, but FW does not support more than 64\n", | |
3006 | requested_vfs); | |
3007 | return MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64; | |
3008 | } | |
3009 | return 0; | |
3010 | } | |
3011 | ||
e1c00e10 | 3012 | static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, |
55ad3592 YH |
3013 | int total_vfs, int *nvfs, struct mlx4_priv *priv, |
3014 | int reset_flow) | |
225c7b1f | 3015 | { |
225c7b1f | 3016 | struct mlx4_dev *dev; |
e1c00e10 | 3017 | unsigned sum = 0; |
225c7b1f | 3018 | int err; |
2a2336f8 | 3019 | int port; |
e1c00e10 | 3020 | int i; |
7ae0e400 | 3021 | struct mlx4_dev_cap *dev_cap = NULL; |
bbb07af4 | 3022 | int existing_vfs = 0; |
225c7b1f | 3023 | |
e1c00e10 | 3024 | dev = &priv->dev; |
225c7b1f | 3025 | |
b581401e RD |
3026 | INIT_LIST_HEAD(&priv->ctx_list); |
3027 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 3028 | |
7ff93f8b | 3029 | mutex_init(&priv->port_mutex); |
53f33ae2 | 3030 | mutex_init(&priv->bond_mutex); |
7ff93f8b | 3031 | |
6296883c YP |
3032 | INIT_LIST_HEAD(&priv->pgdir_list); |
3033 | mutex_init(&priv->pgdir_mutex); | |
3034 | ||
c1b43dca EC |
3035 | INIT_LIST_HEAD(&priv->bf_list); |
3036 | mutex_init(&priv->bf_mutex); | |
3037 | ||
aca7a3ac | 3038 | dev->rev_id = pdev->revision; |
6e7136ed | 3039 | dev->numa_node = dev_to_node(&pdev->dev); |
e1c00e10 | 3040 | |
ab9c17a0 | 3041 | /* Detect if this device is a virtual function */ |
839f1243 | 3042 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
ab9c17a0 JM |
3043 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
3044 | dev->flags |= MLX4_FLAG_SLAVE; | |
3045 | } else { | |
3046 | /* We reset the device and enable SRIOV only for physical | |
3047 | * devices. Try to claim ownership on the device; | |
3048 | * if already taken, skip -- do not allow multiple PFs */ | |
3049 | err = mlx4_get_ownership(dev); | |
3050 | if (err) { | |
3051 | if (err < 0) | |
e1c00e10 | 3052 | return err; |
ab9c17a0 | 3053 | else { |
1a91de28 | 3054 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
e1c00e10 | 3055 | return -EINVAL; |
ab9c17a0 JM |
3056 | } |
3057 | } | |
aca7a3ac | 3058 | |
fe6f700d YP |
3059 | atomic_set(&priv->opreq_count, 0); |
3060 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); | |
3061 | ||
ab9c17a0 JM |
3062 | /* |
3063 | * Now reset the HCA before we touch the PCI capabilities or | |
3064 | * attempt a firmware command, since a boot ROM may have left | |
3065 | * the HCA in an undefined state. | |
3066 | */ | |
3067 | err = mlx4_reset(dev); | |
3068 | if (err) { | |
1a91de28 | 3069 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
e1c00e10 | 3070 | goto err_sriov; |
ab9c17a0 | 3071 | } |
7ae0e400 MB |
3072 | |
3073 | if (total_vfs) { | |
7ae0e400 | 3074 | dev->flags = MLX4_FLAG_MASTER; |
da315679 MB |
3075 | existing_vfs = pci_num_vf(pdev); |
3076 | if (existing_vfs) | |
3077 | dev->flags |= MLX4_FLAG_SRIOV; | |
872bf2fb | 3078 | dev->persist->num_vfs = total_vfs; |
7ae0e400 | 3079 | } |
225c7b1f RD |
3080 | } |
3081 | ||
f6bc11e4 YH |
3082 | /* on load remove any previous indication of internal error, |
3083 | * device is up. | |
3084 | */ | |
3085 | dev->persist->state = MLX4_DEVICE_STATE_UP; | |
3086 | ||
ab9c17a0 | 3087 | slave_start: |
521130d1 EE |
3088 | err = mlx4_cmd_init(dev); |
3089 | if (err) { | |
1a91de28 | 3090 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
ab9c17a0 JM |
3091 | goto err_sriov; |
3092 | } | |
3093 | ||
3094 | /* In slave functions, the communication channel must be initialized | |
3095 | * before posting commands. Also, init num_slaves before calling | |
3096 | * mlx4_init_hca */ | |
3097 | if (mlx4_is_mfunc(dev)) { | |
7ae0e400 | 3098 | if (mlx4_is_master(dev)) { |
ab9c17a0 | 3099 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; |
7ae0e400 MB |
3100 | |
3101 | } else { | |
ab9c17a0 | 3102 | dev->num_slaves = 0; |
f356fcbe JM |
3103 | err = mlx4_multi_func_init(dev); |
3104 | if (err) { | |
1a91de28 | 3105 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
ab9c17a0 JM |
3106 | goto err_cmd; |
3107 | } | |
3108 | } | |
225c7b1f RD |
3109 | } |
3110 | ||
a0eacca9 MB |
3111 | err = mlx4_init_fw(dev); |
3112 | if (err) { | |
3113 | mlx4_err(dev, "Failed to init fw, aborting.\n"); | |
3114 | goto err_mfunc; | |
3115 | } | |
3116 | ||
7ae0e400 | 3117 | if (mlx4_is_master(dev)) { |
da315679 | 3118 | /* when we hit the goto slave_start below, dev_cap already initialized */ |
7ae0e400 MB |
3119 | if (!dev_cap) { |
3120 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); | |
3121 | ||
3122 | if (!dev_cap) { | |
3123 | err = -ENOMEM; | |
3124 | goto err_fw; | |
3125 | } | |
3126 | ||
3127 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3128 | if (err) { | |
3129 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3130 | goto err_fw; | |
3131 | } | |
3132 | ||
de966c59 MB |
3133 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
3134 | goto err_fw; | |
3135 | ||
7ae0e400 | 3136 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3137 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, |
3138 | total_vfs, | |
3139 | existing_vfs, | |
3140 | reset_flow); | |
7ae0e400 | 3141 | |
ed3d2276 | 3142 | mlx4_close_fw(dev); |
7ae0e400 MB |
3143 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
3144 | dev->flags = dev_flags; | |
3145 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3146 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3147 | goto err_sriov; | |
3148 | } | |
3149 | err = mlx4_reset(dev); | |
3150 | if (err) { | |
3151 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
3152 | goto err_sriov; | |
3153 | } | |
3154 | goto slave_start; | |
3155 | } | |
3156 | } else { | |
3157 | /* Legacy mode FW requires SRIOV to be enabled before | |
3158 | * doing QUERY_DEV_CAP, since max_eq's value is different if | |
3159 | * SRIOV is enabled. | |
3160 | */ | |
3161 | memset(dev_cap, 0, sizeof(*dev_cap)); | |
3162 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3163 | if (err) { | |
3164 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3165 | goto err_fw; | |
3166 | } | |
de966c59 MB |
3167 | |
3168 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) | |
3169 | goto err_fw; | |
7ae0e400 MB |
3170 | } |
3171 | } | |
3172 | ||
225c7b1f | 3173 | err = mlx4_init_hca(dev); |
ab9c17a0 JM |
3174 | if (err) { |
3175 | if (err == -EACCES) { | |
3176 | /* Not primary Physical function | |
3177 | * Running in slave mode */ | |
ffc39f6d | 3178 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
a0eacca9 MB |
3179 | /* We're not a PF */ |
3180 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
3181 | if (!existing_vfs) | |
3182 | pci_disable_sriov(pdev); | |
55ad3592 | 3183 | if (mlx4_is_master(dev) && !reset_flow) |
a0eacca9 MB |
3184 | atomic_dec(&pf_loading); |
3185 | dev->flags &= ~MLX4_FLAG_SRIOV; | |
3186 | } | |
3187 | if (!mlx4_is_slave(dev)) | |
3188 | mlx4_free_ownership(dev); | |
ab9c17a0 JM |
3189 | dev->flags |= MLX4_FLAG_SLAVE; |
3190 | dev->flags &= ~MLX4_FLAG_MASTER; | |
3191 | goto slave_start; | |
3192 | } else | |
a0eacca9 | 3193 | goto err_fw; |
ab9c17a0 JM |
3194 | } |
3195 | ||
7ae0e400 | 3196 | if (mlx4_is_master(dev) && (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3197 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, total_vfs, |
3198 | existing_vfs, reset_flow); | |
7ae0e400 MB |
3199 | |
3200 | if ((dev->flags ^ dev_flags) & (MLX4_FLAG_MASTER | MLX4_FLAG_SLAVE)) { | |
3201 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_VHCR); | |
3202 | dev->flags = dev_flags; | |
3203 | err = mlx4_cmd_init(dev); | |
3204 | if (err) { | |
3205 | /* Only VHCR is cleaned up, so could still | |
3206 | * send FW commands | |
3207 | */ | |
3208 | mlx4_err(dev, "Failed to init VHCR command interface, aborting\n"); | |
3209 | goto err_close; | |
3210 | } | |
3211 | } else { | |
3212 | dev->flags = dev_flags; | |
3213 | } | |
3214 | ||
3215 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3216 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3217 | goto err_close; | |
3218 | } | |
3219 | } | |
3220 | ||
b912b2f8 EP |
3221 | /* check if the device is functioning at its maximum possible speed. |
3222 | * No return code for this call, just warn the user in case of PCI | |
3223 | * express device capabilities are under-satisfied by the bus. | |
3224 | */ | |
83d3459a EP |
3225 | if (!mlx4_is_slave(dev)) |
3226 | mlx4_check_pcie_caps(dev); | |
b912b2f8 | 3227 | |
ab9c17a0 JM |
3228 | /* In master functions, the communication channel must be initialized |
3229 | * after obtaining its address from fw */ | |
3230 | if (mlx4_is_master(dev)) { | |
e1c00e10 MD |
3231 | if (dev->caps.num_ports < 2 && |
3232 | num_vfs_argc > 1) { | |
3233 | err = -EINVAL; | |
3234 | mlx4_err(dev, | |
3235 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", | |
3236 | dev->caps.num_ports); | |
ab9c17a0 JM |
3237 | goto err_close; |
3238 | } | |
872bf2fb | 3239 | memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs)); |
dd41cc3b | 3240 | |
872bf2fb YH |
3241 | for (i = 0; |
3242 | i < sizeof(dev->persist->nvfs)/ | |
3243 | sizeof(dev->persist->nvfs[0]); i++) { | |
e1c00e10 MD |
3244 | unsigned j; |
3245 | ||
872bf2fb | 3246 | for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) { |
e1c00e10 MD |
3247 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; |
3248 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : | |
3249 | dev->caps.num_ports; | |
1ab95d37 MB |
3250 | } |
3251 | } | |
e1c00e10 MD |
3252 | |
3253 | /* In master functions, the communication channel | |
3254 | * must be initialized after obtaining its address from fw | |
3255 | */ | |
3256 | err = mlx4_multi_func_init(dev); | |
3257 | if (err) { | |
3258 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); | |
3259 | goto err_close; | |
3260 | } | |
ab9c17a0 | 3261 | } |
225c7b1f | 3262 | |
b8dd786f YP |
3263 | err = mlx4_alloc_eq_table(dev); |
3264 | if (err) | |
ab9c17a0 | 3265 | goto err_master_mfunc; |
b8dd786f | 3266 | |
c66fa19c | 3267 | bitmap_zero(priv->msix_ctl.pool_bm, MAX_MSIX); |
730c41d5 | 3268 | mutex_init(&priv->msix_ctl.pool_lock); |
0b7ca5a9 | 3269 | |
08fb1055 | 3270 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
3271 | if ((mlx4_is_mfunc(dev)) && |
3272 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
f356fcbe | 3273 | err = -ENOSYS; |
1a91de28 | 3274 | mlx4_err(dev, "INTx is not supported in multi-function mode, aborting\n"); |
b12d93d6 | 3275 | goto err_free_eq; |
ab9c17a0 JM |
3276 | } |
3277 | ||
3278 | if (!mlx4_is_slave(dev)) { | |
3279 | err = mlx4_init_steering(dev); | |
3280 | if (err) | |
e1c00e10 | 3281 | goto err_disable_msix; |
ab9c17a0 | 3282 | } |
b12d93d6 | 3283 | |
225c7b1f | 3284 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
3285 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
3286 | !mlx4_is_mfunc(dev)) { | |
08fb1055 | 3287 | dev->flags &= ~MLX4_FLAG_MSI_X; |
9858d2d1 | 3288 | dev->caps.num_comp_vectors = 1; |
08fb1055 MT |
3289 | pci_disable_msix(pdev); |
3290 | err = mlx4_setup_hca(dev); | |
3291 | } | |
3292 | ||
225c7b1f | 3293 | if (err) |
b12d93d6 | 3294 | goto err_steer; |
225c7b1f | 3295 | |
5a0d0a61 | 3296 | mlx4_init_quotas(dev); |
55ad3592 YH |
3297 | /* When PF resources are ready arm its comm channel to enable |
3298 | * getting commands | |
3299 | */ | |
3300 | if (mlx4_is_master(dev)) { | |
3301 | err = mlx4_ARM_COMM_CHANNEL(dev); | |
3302 | if (err) { | |
3303 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", | |
3304 | err); | |
3305 | goto err_steer; | |
3306 | } | |
3307 | } | |
5a0d0a61 | 3308 | |
7ff93f8b YP |
3309 | for (port = 1; port <= dev->caps.num_ports; port++) { |
3310 | err = mlx4_init_port_info(dev, port); | |
3311 | if (err) | |
3312 | goto err_port; | |
3313 | } | |
2a2336f8 | 3314 | |
53f33ae2 MS |
3315 | priv->v2p.port1 = 1; |
3316 | priv->v2p.port2 = 2; | |
3317 | ||
225c7b1f RD |
3318 | err = mlx4_register_device(dev); |
3319 | if (err) | |
7ff93f8b | 3320 | goto err_port; |
225c7b1f | 3321 | |
b046ffe5 EP |
3322 | mlx4_request_modules(dev); |
3323 | ||
27bf91d6 YP |
3324 | mlx4_sense_init(dev); |
3325 | mlx4_start_sense(dev); | |
3326 | ||
befdf897 | 3327 | priv->removed = 0; |
225c7b1f | 3328 | |
55ad3592 | 3329 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3330 | atomic_dec(&pf_loading); |
3331 | ||
da315679 | 3332 | kfree(dev_cap); |
225c7b1f RD |
3333 | return 0; |
3334 | ||
7ff93f8b | 3335 | err_port: |
b4f77264 | 3336 | for (--port; port >= 1; --port) |
7ff93f8b YP |
3337 | mlx4_cleanup_port_info(&priv->port[port]); |
3338 | ||
6de5f7f6 | 3339 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
3340 | if (!mlx4_is_slave(dev)) |
3341 | mlx4_cleanup_counters_table(dev); | |
225c7b1f RD |
3342 | mlx4_cleanup_qp_table(dev); |
3343 | mlx4_cleanup_srq_table(dev); | |
3344 | mlx4_cleanup_cq_table(dev); | |
3345 | mlx4_cmd_use_polling(dev); | |
3346 | mlx4_cleanup_eq_table(dev); | |
fe6f700d | 3347 | mlx4_cleanup_mcg_table(dev); |
225c7b1f | 3348 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 3349 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
3350 | mlx4_cleanup_pd_table(dev); |
3351 | mlx4_cleanup_uar_table(dev); | |
3352 | ||
b12d93d6 | 3353 | err_steer: |
ab9c17a0 JM |
3354 | if (!mlx4_is_slave(dev)) |
3355 | mlx4_clear_steering(dev); | |
b12d93d6 | 3356 | |
e1c00e10 MD |
3357 | err_disable_msix: |
3358 | if (dev->flags & MLX4_FLAG_MSI_X) | |
3359 | pci_disable_msix(pdev); | |
3360 | ||
b8dd786f YP |
3361 | err_free_eq: |
3362 | mlx4_free_eq_table(dev); | |
3363 | ||
ab9c17a0 | 3364 | err_master_mfunc: |
772103e6 JM |
3365 | if (mlx4_is_master(dev)) { |
3366 | mlx4_free_resource_tracker(dev, RES_TR_FREE_STRUCTS_ONLY); | |
ab9c17a0 | 3367 | mlx4_multi_func_cleanup(dev); |
772103e6 | 3368 | } |
ab9c17a0 | 3369 | |
b38f2879 | 3370 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 3371 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
3372 | kfree(dev->caps.qp0_tunnel); |
3373 | kfree(dev->caps.qp0_proxy); | |
3374 | kfree(dev->caps.qp1_tunnel); | |
3375 | kfree(dev->caps.qp1_proxy); | |
3376 | } | |
3377 | ||
225c7b1f RD |
3378 | err_close: |
3379 | mlx4_close_hca(dev); | |
3380 | ||
a0eacca9 MB |
3381 | err_fw: |
3382 | mlx4_close_fw(dev); | |
3383 | ||
ab9c17a0 JM |
3384 | err_mfunc: |
3385 | if (mlx4_is_slave(dev)) | |
3386 | mlx4_multi_func_cleanup(dev); | |
3387 | ||
225c7b1f | 3388 | err_cmd: |
ffc39f6d | 3389 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
225c7b1f | 3390 | |
ab9c17a0 | 3391 | err_sriov: |
55ad3592 | 3392 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) { |
ab9c17a0 | 3393 | pci_disable_sriov(pdev); |
55ad3592 YH |
3394 | dev->flags &= ~MLX4_FLAG_SRIOV; |
3395 | } | |
ab9c17a0 | 3396 | |
55ad3592 | 3397 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3398 | atomic_dec(&pf_loading); |
3399 | ||
1ab95d37 MB |
3400 | kfree(priv->dev.dev_vfs); |
3401 | ||
e1c00e10 MD |
3402 | if (!mlx4_is_slave(dev)) |
3403 | mlx4_free_ownership(dev); | |
3404 | ||
7ae0e400 | 3405 | kfree(dev_cap); |
e1c00e10 MD |
3406 | return err; |
3407 | } | |
3408 | ||
3409 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, | |
3410 | struct mlx4_priv *priv) | |
3411 | { | |
3412 | int err; | |
3413 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3414 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3415 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { | |
3416 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; | |
3417 | unsigned total_vfs = 0; | |
3418 | unsigned int i; | |
3419 | ||
3420 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); | |
3421 | ||
3422 | err = pci_enable_device(pdev); | |
3423 | if (err) { | |
3424 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); | |
3425 | return err; | |
3426 | } | |
3427 | ||
3428 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS | |
3429 | * per port, we must limit the number of VFs to 63 (since their are | |
3430 | * 128 MACs) | |
3431 | */ | |
3432 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && i < num_vfs_argc; | |
3433 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { | |
3434 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; | |
3435 | if (nvfs[i] < 0) { | |
3436 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); | |
3437 | err = -EINVAL; | |
3438 | goto err_disable_pdev; | |
3439 | } | |
3440 | } | |
3441 | for (i = 0; i < sizeof(prb_vf)/sizeof(prb_vf[0]) && i < probe_vfs_argc; | |
3442 | i++) { | |
3443 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; | |
3444 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { | |
3445 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); | |
3446 | err = -EINVAL; | |
3447 | goto err_disable_pdev; | |
3448 | } | |
3449 | } | |
0beb44b0 | 3450 | if (total_vfs > MLX4_MAX_NUM_VF) { |
e1c00e10 | 3451 | dev_err(&pdev->dev, |
0beb44b0 CS |
3452 | "Requested more VF's (%d) than allowed by hw (%d)\n", |
3453 | total_vfs, MLX4_MAX_NUM_VF); | |
e1c00e10 MD |
3454 | err = -EINVAL; |
3455 | goto err_disable_pdev; | |
3456 | } | |
3457 | ||
3458 | for (i = 0; i < MLX4_MAX_PORTS; i++) { | |
0beb44b0 | 3459 | if (nvfs[i] + nvfs[2] > MLX4_MAX_NUM_VF_P_PORT) { |
e1c00e10 | 3460 | dev_err(&pdev->dev, |
0beb44b0 | 3461 | "Requested more VF's (%d) for port (%d) than allowed by driver (%d)\n", |
e1c00e10 | 3462 | nvfs[i] + nvfs[2], i + 1, |
0beb44b0 | 3463 | MLX4_MAX_NUM_VF_P_PORT); |
e1c00e10 MD |
3464 | err = -EINVAL; |
3465 | goto err_disable_pdev; | |
3466 | } | |
3467 | } | |
3468 | ||
3469 | /* Check for BARs. */ | |
3470 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && | |
3471 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
3472 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", | |
3473 | pci_dev_data, pci_resource_flags(pdev, 0)); | |
3474 | err = -ENODEV; | |
3475 | goto err_disable_pdev; | |
3476 | } | |
3477 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
3478 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); | |
3479 | err = -ENODEV; | |
3480 | goto err_disable_pdev; | |
3481 | } | |
3482 | ||
3483 | err = pci_request_regions(pdev, DRV_NAME); | |
3484 | if (err) { | |
3485 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
3486 | goto err_disable_pdev; | |
3487 | } | |
3488 | ||
3489 | pci_set_master(pdev); | |
3490 | ||
3491 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3492 | if (err) { | |
3493 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); | |
3494 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3495 | if (err) { | |
3496 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); | |
3497 | goto err_release_regions; | |
3498 | } | |
3499 | } | |
3500 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3501 | if (err) { | |
3502 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); | |
3503 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3504 | if (err) { | |
3505 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); | |
3506 | goto err_release_regions; | |
3507 | } | |
3508 | } | |
3509 | ||
3510 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ | |
3511 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
3512 | /* Detect if this device is a virtual function */ | |
3513 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { | |
3514 | /* When acting as pf, we normally skip vfs unless explicitly | |
3515 | * requested to probe them. | |
3516 | */ | |
3517 | if (total_vfs) { | |
3518 | unsigned vfs_offset = 0; | |
3519 | ||
3520 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && | |
3521 | vfs_offset + nvfs[i] < extended_func_num(pdev); | |
3522 | vfs_offset += nvfs[i], i++) | |
3523 | ; | |
3524 | if (i == sizeof(nvfs)/sizeof(nvfs[0])) { | |
3525 | err = -ENODEV; | |
3526 | goto err_release_regions; | |
3527 | } | |
3528 | if ((extended_func_num(pdev) - vfs_offset) | |
3529 | > prb_vf[i]) { | |
3530 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", | |
3531 | extended_func_num(pdev)); | |
3532 | err = -ENODEV; | |
3533 | goto err_release_regions; | |
3534 | } | |
3535 | } | |
3536 | } | |
3537 | ||
ad9a0bf0 | 3538 | err = mlx4_catas_init(&priv->dev); |
e1c00e10 MD |
3539 | if (err) |
3540 | goto err_release_regions; | |
ad9a0bf0 | 3541 | |
55ad3592 | 3542 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 0); |
ad9a0bf0 YH |
3543 | if (err) |
3544 | goto err_catas; | |
3545 | ||
e1c00e10 | 3546 | return 0; |
225c7b1f | 3547 | |
ad9a0bf0 YH |
3548 | err_catas: |
3549 | mlx4_catas_end(&priv->dev); | |
3550 | ||
a01df0fe RD |
3551 | err_release_regions: |
3552 | pci_release_regions(pdev); | |
225c7b1f RD |
3553 | |
3554 | err_disable_pdev: | |
3555 | pci_disable_device(pdev); | |
3556 | pci_set_drvdata(pdev, NULL); | |
3557 | return err; | |
3558 | } | |
3559 | ||
1dd06ae8 | 3560 | static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
3d73c288 | 3561 | { |
befdf897 WY |
3562 | struct mlx4_priv *priv; |
3563 | struct mlx4_dev *dev; | |
e1c00e10 | 3564 | int ret; |
befdf897 | 3565 | |
0a645e80 | 3566 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 3567 | |
befdf897 WY |
3568 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
3569 | if (!priv) | |
3570 | return -ENOMEM; | |
3571 | ||
3572 | dev = &priv->dev; | |
872bf2fb YH |
3573 | dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL); |
3574 | if (!dev->persist) { | |
3575 | kfree(priv); | |
3576 | return -ENOMEM; | |
3577 | } | |
3578 | dev->persist->pdev = pdev; | |
3579 | dev->persist->dev = dev; | |
3580 | pci_set_drvdata(pdev, dev->persist); | |
befdf897 | 3581 | priv->pci_dev_data = id->driver_data; |
f6bc11e4 | 3582 | mutex_init(&dev->persist->device_state_mutex); |
c69453e2 | 3583 | mutex_init(&dev->persist->interface_state_mutex); |
befdf897 | 3584 | |
e1c00e10 | 3585 | ret = __mlx4_init_one(pdev, id->driver_data, priv); |
872bf2fb YH |
3586 | if (ret) { |
3587 | kfree(dev->persist); | |
e1c00e10 | 3588 | kfree(priv); |
2ba5fbd6 YH |
3589 | } else { |
3590 | pci_save_state(pdev); | |
872bf2fb | 3591 | } |
2ba5fbd6 | 3592 | |
e1c00e10 | 3593 | return ret; |
3d73c288 RD |
3594 | } |
3595 | ||
dd0eefe3 YH |
3596 | static void mlx4_clean_dev(struct mlx4_dev *dev) |
3597 | { | |
3598 | struct mlx4_dev_persistent *persist = dev->persist; | |
3599 | struct mlx4_priv *priv = mlx4_priv(dev); | |
55ad3592 | 3600 | unsigned long flags = (dev->flags & RESET_PERSIST_MASK_FLAGS); |
dd0eefe3 YH |
3601 | |
3602 | memset(priv, 0, sizeof(*priv)); | |
3603 | priv->dev.persist = persist; | |
55ad3592 | 3604 | priv->dev.flags = flags; |
dd0eefe3 YH |
3605 | } |
3606 | ||
e1c00e10 | 3607 | static void mlx4_unload_one(struct pci_dev *pdev) |
225c7b1f | 3608 | { |
872bf2fb YH |
3609 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3610 | struct mlx4_dev *dev = persist->dev; | |
225c7b1f | 3611 | struct mlx4_priv *priv = mlx4_priv(dev); |
befdf897 | 3612 | int pci_dev_data; |
dd0eefe3 | 3613 | int p, i; |
225c7b1f | 3614 | |
befdf897 WY |
3615 | if (priv->removed) |
3616 | return; | |
225c7b1f | 3617 | |
dd0eefe3 YH |
3618 | /* saving current ports type for further use */ |
3619 | for (i = 0; i < dev->caps.num_ports; i++) { | |
3620 | dev->persist->curr_port_type[i] = dev->caps.port_type[i + 1]; | |
3621 | dev->persist->curr_port_poss_type[i] = dev->caps. | |
3622 | possible_type[i + 1]; | |
3623 | } | |
3624 | ||
befdf897 | 3625 | pci_dev_data = priv->pci_dev_data; |
225c7b1f | 3626 | |
befdf897 WY |
3627 | mlx4_stop_sense(dev); |
3628 | mlx4_unregister_device(dev); | |
225c7b1f | 3629 | |
befdf897 WY |
3630 | for (p = 1; p <= dev->caps.num_ports; p++) { |
3631 | mlx4_cleanup_port_info(&priv->port[p]); | |
3632 | mlx4_CLOSE_PORT(dev, p); | |
3633 | } | |
3634 | ||
3635 | if (mlx4_is_master(dev)) | |
3636 | mlx4_free_resource_tracker(dev, | |
3637 | RES_TR_FREE_SLAVES_ONLY); | |
3638 | ||
6de5f7f6 | 3639 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
3640 | if (!mlx4_is_slave(dev)) |
3641 | mlx4_cleanup_counters_table(dev); | |
befdf897 WY |
3642 | mlx4_cleanup_qp_table(dev); |
3643 | mlx4_cleanup_srq_table(dev); | |
3644 | mlx4_cleanup_cq_table(dev); | |
3645 | mlx4_cmd_use_polling(dev); | |
3646 | mlx4_cleanup_eq_table(dev); | |
3647 | mlx4_cleanup_mcg_table(dev); | |
3648 | mlx4_cleanup_mr_table(dev); | |
3649 | mlx4_cleanup_xrcd_table(dev); | |
3650 | mlx4_cleanup_pd_table(dev); | |
225c7b1f | 3651 | |
befdf897 WY |
3652 | if (mlx4_is_master(dev)) |
3653 | mlx4_free_resource_tracker(dev, | |
3654 | RES_TR_FREE_STRUCTS_ONLY); | |
47605df9 | 3655 | |
befdf897 WY |
3656 | iounmap(priv->kar); |
3657 | mlx4_uar_free(dev, &priv->driver_uar); | |
3658 | mlx4_cleanup_uar_table(dev); | |
3659 | if (!mlx4_is_slave(dev)) | |
3660 | mlx4_clear_steering(dev); | |
3661 | mlx4_free_eq_table(dev); | |
3662 | if (mlx4_is_master(dev)) | |
3663 | mlx4_multi_func_cleanup(dev); | |
3664 | mlx4_close_hca(dev); | |
a0eacca9 | 3665 | mlx4_close_fw(dev); |
befdf897 WY |
3666 | if (mlx4_is_slave(dev)) |
3667 | mlx4_multi_func_cleanup(dev); | |
ffc39f6d | 3668 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
47605df9 | 3669 | |
befdf897 WY |
3670 | if (dev->flags & MLX4_FLAG_MSI_X) |
3671 | pci_disable_msix(pdev); | |
befdf897 WY |
3672 | |
3673 | if (!mlx4_is_slave(dev)) | |
3674 | mlx4_free_ownership(dev); | |
3675 | ||
99ec41d0 | 3676 | kfree(dev->caps.qp0_qkey); |
befdf897 WY |
3677 | kfree(dev->caps.qp0_tunnel); |
3678 | kfree(dev->caps.qp0_proxy); | |
3679 | kfree(dev->caps.qp1_tunnel); | |
3680 | kfree(dev->caps.qp1_proxy); | |
3681 | kfree(dev->dev_vfs); | |
3682 | ||
dd0eefe3 | 3683 | mlx4_clean_dev(dev); |
befdf897 WY |
3684 | priv->pci_dev_data = pci_dev_data; |
3685 | priv->removed = 1; | |
3686 | } | |
3687 | ||
3688 | static void mlx4_remove_one(struct pci_dev *pdev) | |
3689 | { | |
872bf2fb YH |
3690 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3691 | struct mlx4_dev *dev = persist->dev; | |
befdf897 | 3692 | struct mlx4_priv *priv = mlx4_priv(dev); |
55ad3592 | 3693 | int active_vfs = 0; |
befdf897 | 3694 | |
c69453e2 YH |
3695 | mutex_lock(&persist->interface_state_mutex); |
3696 | persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; | |
3697 | mutex_unlock(&persist->interface_state_mutex); | |
3698 | ||
55ad3592 YH |
3699 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
3700 | if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) { | |
3701 | active_vfs = mlx4_how_many_lives_vf(dev); | |
3702 | if (active_vfs) { | |
3703 | pr_warn("Removing PF when there are active VF's !!\n"); | |
3704 | pr_warn("Will not disable SR-IOV.\n"); | |
3705 | } | |
3706 | } | |
3707 | ||
c69453e2 YH |
3708 | /* device marked to be under deletion running now without the lock |
3709 | * letting other tasks to be terminated | |
3710 | */ | |
3711 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
3712 | mlx4_unload_one(pdev); | |
3713 | else | |
3714 | mlx4_info(dev, "%s: interface is down\n", __func__); | |
ad9a0bf0 | 3715 | mlx4_catas_end(dev); |
55ad3592 YH |
3716 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
3717 | mlx4_warn(dev, "Disabling SR-IOV\n"); | |
3718 | pci_disable_sriov(pdev); | |
3719 | } | |
3720 | ||
e1c00e10 MD |
3721 | pci_release_regions(pdev); |
3722 | pci_disable_device(pdev); | |
872bf2fb | 3723 | kfree(dev->persist); |
befdf897 WY |
3724 | kfree(priv); |
3725 | pci_set_drvdata(pdev, NULL); | |
225c7b1f RD |
3726 | } |
3727 | ||
dd0eefe3 YH |
3728 | static int restore_current_port_types(struct mlx4_dev *dev, |
3729 | enum mlx4_port_type *types, | |
3730 | enum mlx4_port_type *poss_types) | |
3731 | { | |
3732 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3733 | int err, i; | |
3734 | ||
3735 | mlx4_stop_sense(dev); | |
3736 | ||
3737 | mutex_lock(&priv->port_mutex); | |
3738 | for (i = 0; i < dev->caps.num_ports; i++) | |
3739 | dev->caps.possible_type[i + 1] = poss_types[i]; | |
3740 | err = mlx4_change_port_types(dev, types); | |
3741 | mlx4_start_sense(dev); | |
3742 | mutex_unlock(&priv->port_mutex); | |
3743 | ||
3744 | return err; | |
3745 | } | |
3746 | ||
ee49bd93 JM |
3747 | int mlx4_restart_one(struct pci_dev *pdev) |
3748 | { | |
872bf2fb YH |
3749 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3750 | struct mlx4_dev *dev = persist->dev; | |
839f1243 | 3751 | struct mlx4_priv *priv = mlx4_priv(dev); |
e1c00e10 MD |
3752 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
3753 | int pci_dev_data, err, total_vfs; | |
839f1243 RD |
3754 | |
3755 | pci_dev_data = priv->pci_dev_data; | |
872bf2fb YH |
3756 | total_vfs = dev->persist->num_vfs; |
3757 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
e1c00e10 MD |
3758 | |
3759 | mlx4_unload_one(pdev); | |
55ad3592 | 3760 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1); |
e1c00e10 MD |
3761 | if (err) { |
3762 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", | |
3763 | __func__, pci_name(pdev), err); | |
3764 | return err; | |
3765 | } | |
3766 | ||
dd0eefe3 YH |
3767 | err = restore_current_port_types(dev, dev->persist->curr_port_type, |
3768 | dev->persist->curr_port_poss_type); | |
3769 | if (err) | |
3770 | mlx4_err(dev, "could not restore original port types (%d)\n", | |
3771 | err); | |
3772 | ||
e1c00e10 | 3773 | return err; |
ee49bd93 JM |
3774 | } |
3775 | ||
9baa3c34 | 3776 | static const struct pci_device_id mlx4_pci_table[] = { |
ab9c17a0 | 3777 | /* MT25408 "Hermon" SDR */ |
ca3e57a5 | 3778 | { PCI_VDEVICE(MELLANOX, 0x6340), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3779 | /* MT25408 "Hermon" DDR */ |
ca3e57a5 | 3780 | { PCI_VDEVICE(MELLANOX, 0x634a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3781 | /* MT25408 "Hermon" QDR */ |
ca3e57a5 | 3782 | { PCI_VDEVICE(MELLANOX, 0x6354), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3783 | /* MT25408 "Hermon" DDR PCIe gen2 */ |
ca3e57a5 | 3784 | { PCI_VDEVICE(MELLANOX, 0x6732), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3785 | /* MT25408 "Hermon" QDR PCIe gen2 */ |
ca3e57a5 | 3786 | { PCI_VDEVICE(MELLANOX, 0x673c), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3787 | /* MT25408 "Hermon" EN 10GigE */ |
ca3e57a5 | 3788 | { PCI_VDEVICE(MELLANOX, 0x6368), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3789 | /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ |
ca3e57a5 | 3790 | { PCI_VDEVICE(MELLANOX, 0x6750), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3791 | /* MT25458 ConnectX EN 10GBASE-T 10GigE */ |
ca3e57a5 | 3792 | { PCI_VDEVICE(MELLANOX, 0x6372), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3793 | /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ |
ca3e57a5 | 3794 | { PCI_VDEVICE(MELLANOX, 0x675a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3795 | /* MT26468 ConnectX EN 10GigE PCIe gen2*/ |
ca3e57a5 | 3796 | { PCI_VDEVICE(MELLANOX, 0x6764), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3797 | /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ |
ca3e57a5 | 3798 | { PCI_VDEVICE(MELLANOX, 0x6746), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3799 | /* MT26478 ConnectX2 40GigE PCIe gen2 */ |
ca3e57a5 | 3800 | { PCI_VDEVICE(MELLANOX, 0x676e), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
ab9c17a0 | 3801 | /* MT25400 Family [ConnectX-2 Virtual Function] */ |
839f1243 | 3802 | { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF }, |
ab9c17a0 JM |
3803 | /* MT27500 Family [ConnectX-3] */ |
3804 | { PCI_VDEVICE(MELLANOX, 0x1003), 0 }, | |
3805 | /* MT27500 Family [ConnectX-3 Virtual Function] */ | |
839f1243 | 3806 | { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF }, |
ab9c17a0 JM |
3807 | { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */ |
3808 | { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */ | |
3809 | { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */ | |
3810 | { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */ | |
3811 | { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */ | |
3812 | { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */ | |
3813 | { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */ | |
3814 | { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */ | |
3815 | { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */ | |
3816 | { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */ | |
3817 | { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */ | |
3818 | { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */ | |
225c7b1f RD |
3819 | { 0, } |
3820 | }; | |
3821 | ||
3822 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
3823 | ||
57dbf29a KSS |
3824 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
3825 | pci_channel_state_t state) | |
3826 | { | |
2ba5fbd6 YH |
3827 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3828 | ||
3829 | mlx4_err(persist->dev, "mlx4_pci_err_detected was called\n"); | |
3830 | mlx4_enter_error_state(persist); | |
57dbf29a | 3831 | |
2ba5fbd6 YH |
3832 | mutex_lock(&persist->interface_state_mutex); |
3833 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
3834 | mlx4_unload_one(pdev); | |
3835 | ||
3836 | mutex_unlock(&persist->interface_state_mutex); | |
3837 | if (state == pci_channel_io_perm_failure) | |
3838 | return PCI_ERS_RESULT_DISCONNECT; | |
3839 | ||
3840 | pci_disable_device(pdev); | |
3841 | return PCI_ERS_RESULT_NEED_RESET; | |
57dbf29a KSS |
3842 | } |
3843 | ||
3844 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) | |
3845 | { | |
2ba5fbd6 YH |
3846 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3847 | struct mlx4_dev *dev = persist->dev; | |
befdf897 WY |
3848 | struct mlx4_priv *priv = mlx4_priv(dev); |
3849 | int ret; | |
2ba5fbd6 YH |
3850 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
3851 | int total_vfs; | |
97a5221f | 3852 | |
2ba5fbd6 YH |
3853 | mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); |
3854 | ret = pci_enable_device(pdev); | |
3855 | if (ret) { | |
3856 | mlx4_err(dev, "Can not re-enable device, ret=%d\n", ret); | |
3857 | return PCI_ERS_RESULT_DISCONNECT; | |
3858 | } | |
3859 | ||
3860 | pci_set_master(pdev); | |
3861 | pci_restore_state(pdev); | |
3862 | pci_save_state(pdev); | |
3863 | ||
3864 | total_vfs = dev->persist->num_vfs; | |
3865 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
3866 | ||
3867 | mutex_lock(&persist->interface_state_mutex); | |
3868 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { | |
3869 | ret = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, | |
55ad3592 | 3870 | priv, 1); |
2ba5fbd6 YH |
3871 | if (ret) { |
3872 | mlx4_err(dev, "%s: mlx4_load_one failed, ret=%d\n", | |
3873 | __func__, ret); | |
3874 | goto end; | |
3875 | } | |
3876 | ||
3877 | ret = restore_current_port_types(dev, dev->persist-> | |
3878 | curr_port_type, dev->persist-> | |
3879 | curr_port_poss_type); | |
3880 | if (ret) | |
3881 | mlx4_err(dev, "could not restore original port types (%d)\n", ret); | |
3882 | } | |
3883 | end: | |
3884 | mutex_unlock(&persist->interface_state_mutex); | |
57dbf29a KSS |
3885 | |
3886 | return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; | |
3887 | } | |
3888 | ||
2ba5fbd6 YH |
3889 | static void mlx4_shutdown(struct pci_dev *pdev) |
3890 | { | |
3891 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
3892 | ||
3893 | mlx4_info(persist->dev, "mlx4_shutdown was called\n"); | |
3894 | mutex_lock(&persist->interface_state_mutex); | |
3895 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
3896 | mlx4_unload_one(pdev); | |
3897 | mutex_unlock(&persist->interface_state_mutex); | |
3898 | } | |
3899 | ||
3646f0e5 | 3900 | static const struct pci_error_handlers mlx4_err_handler = { |
57dbf29a KSS |
3901 | .error_detected = mlx4_pci_err_detected, |
3902 | .slot_reset = mlx4_pci_slot_reset, | |
3903 | }; | |
3904 | ||
225c7b1f RD |
3905 | static struct pci_driver mlx4_driver = { |
3906 | .name = DRV_NAME, | |
3907 | .id_table = mlx4_pci_table, | |
3908 | .probe = mlx4_init_one, | |
2ba5fbd6 | 3909 | .shutdown = mlx4_shutdown, |
f57e6848 | 3910 | .remove = mlx4_remove_one, |
57dbf29a | 3911 | .err_handler = &mlx4_err_handler, |
225c7b1f RD |
3912 | }; |
3913 | ||
7ff93f8b YP |
3914 | static int __init mlx4_verify_params(void) |
3915 | { | |
3916 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
c20862c8 | 3917 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
3918 | return -1; |
3919 | } | |
3920 | ||
cb29688a | 3921 | if (log_num_vlan != 0) |
c20862c8 AV |
3922 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
3923 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 3924 | |
ecc8fb11 AV |
3925 | if (use_prio != 0) |
3926 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); | |
7ff93f8b | 3927 | |
0498628f | 3928 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
c20862c8 AV |
3929 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
3930 | log_mtts_per_seg); | |
ab6bf42e EC |
3931 | return -1; |
3932 | } | |
3933 | ||
ab9c17a0 JM |
3934 | /* Check if module param for ports type has legal combination */ |
3935 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
c20862c8 | 3936 | pr_warn("Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); |
ab9c17a0 JM |
3937 | port_type_array[0] = true; |
3938 | } | |
3939 | ||
7d077cd3 MB |
3940 | if (mlx4_log_num_mgm_entry_size < -7 || |
3941 | (mlx4_log_num_mgm_entry_size > 0 && | |
3942 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || | |
3943 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE))) { | |
3944 | pr_warn("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not in legal range (-7..0 or %d..%d)\n", | |
1a91de28 JP |
3945 | mlx4_log_num_mgm_entry_size, |
3946 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, | |
3947 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); | |
3c439b55 JM |
3948 | return -1; |
3949 | } | |
3950 | ||
7ff93f8b YP |
3951 | return 0; |
3952 | } | |
3953 | ||
225c7b1f RD |
3954 | static int __init mlx4_init(void) |
3955 | { | |
3956 | int ret; | |
3957 | ||
7ff93f8b YP |
3958 | if (mlx4_verify_params()) |
3959 | return -EINVAL; | |
3960 | ||
27bf91d6 YP |
3961 | |
3962 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
3963 | if (!mlx4_wq) | |
3964 | return -ENOMEM; | |
ee49bd93 | 3965 | |
225c7b1f | 3966 | ret = pci_register_driver(&mlx4_driver); |
1b85ee09 WY |
3967 | if (ret < 0) |
3968 | destroy_workqueue(mlx4_wq); | |
225c7b1f RD |
3969 | return ret < 0 ? ret : 0; |
3970 | } | |
3971 | ||
3972 | static void __exit mlx4_cleanup(void) | |
3973 | { | |
3974 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 3975 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
3976 | } |
3977 | ||
3978 | module_init(mlx4_init); | |
3979 | module_exit(mlx4_cleanup); |